CN117155231B - Outdoor power supply solar panel with wide voltage input and control method thereof - Google Patents

Outdoor power supply solar panel with wide voltage input and control method thereof Download PDF

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Publication number
CN117155231B
CN117155231B CN202311143565.0A CN202311143565A CN117155231B CN 117155231 B CN117155231 B CN 117155231B CN 202311143565 A CN202311143565 A CN 202311143565A CN 117155231 B CN117155231 B CN 117155231B
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solar panel
installation
dimensional model
data
outdoor power
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CN117155231A (en
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王顺兴
李学军
张佳健
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DONGGUAN AOYUAN ELECTRONIC TECHNOLOGY CO LTD
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DONGGUAN AOYUAN ELECTRONIC TECHNOLOGY CO LTD
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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S20/00—Supporting structures for PV modules
    • H02S20/30—Supporting structures being movable or adjustable, e.g. for angle adjustment
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00002—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by monitoring
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00032—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
    • H02S40/30—Electrical components
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S50/00—Monitoring or testing of PV systems, e.g. load balancing or fault identification
    • H02S50/10—Testing of PV devices, e.g. of PV modules or single PV cells
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy

Abstract

According to the scheme, the accurate three-dimensional model of the destination and the solar panel is built by utilizing point cloud data, so that a foundation is provided for installing the solar panel and accurately controlling the solar panel according to a geographic environment; in the working process of the solar panel, the solar panel is controlled according to the first environmental data of the current environment, the first working data of the solar panel and the second working data of the outdoor power supply, so that the solar panel can intelligently adjust working parameters according to the states of the current environment and the outdoor power supply, and the charging/power consumption requirements of the current environment and the outdoor power supply are met in the optimal working state.

Description

Outdoor power supply solar panel with wide voltage input and control method thereof
Technical Field
The invention relates to the technical field of new energy, in particular to an outdoor power supply solar panel with wide voltage input and a control method thereof.
Background
Under outdoor and emergency scenes, the portable energy storage battery is matched with the portable solar cell panel to form a small solar power generation system, continuous off-grid power generation and charging are realized, and the portable energy storage battery is widely applied to scenes with large power consumption such as outdoor camping, outdoor live broadcasting, outdoor construction, outdoor scene shooting, household emergency power utilization and the like. For example, in a motor home power consumption scenario, if an outdoor power supply is placed in the motor home, most household appliances can be used in the motor home, and the power can be stored in the outdoor power supply through being connected to a solar panel; for example, by storing the power generated by the solar panel in an outdoor power source, the solar panel can be used as an emergency power source at the time of power outage. Although the system formed by the outdoor power supply and the solar panel is widely applied, the scheme of the existing control method of the outdoor power supply solar panel is imperfect and intelligent and accurate.
Disclosure of Invention
Based on the above problems, the invention provides an outdoor power supply solar panel with wide voltage input and a control method thereof.
In view of this, an aspect of the present invention proposes an outdoor power solar panel with a wide voltage input, comprising: the solar cell module comprises a control processor, an acquisition module, a solar cell, glass, a back plate, a frame and a connector;
the acquisition module is configured to:
acquiring first point cloud data of a first expected place, and establishing a geographic three-dimensional model of the first expected place according to the first point cloud data;
acquiring second point cloud data of the solar panel, and establishing a first three-dimensional model of the solar panel according to the second point cloud data;
the control processor is configured to:
generating a plurality of installation schemes of the solar panel according to the geographic three-dimensional model and the first three-dimensional model;
Selecting a first mounting scheme from the plurality of mounting schemes to mount the solar panel;
the acquisition module is configured to: acquiring first environmental data of a current environment, first working data of the solar panel and second working data of an outdoor power supply in the working process of the solar panel;
the control processor is configured to: and controlling the solar panel according to the first environmental data, the first working data and the second working data.
Optionally, the step of generating a plurality of installation schemes of the solar panel according to the geographic three-dimensional model and the first three-dimensional model, the control processor is configured to:
analyzing topography and topography according to the geographic three-dimensional model, and determining a plurality of potential first setting points;
generating a first three-dimensional bracket model at the plurality of first setting points, and importing the first three-dimensional model of the solar panel for matching layout to form a plurality of alternative installation schemes;
carrying out solar analysis on the plurality of alternative installation schemes to determine a plurality of preliminary installation schemes with generated energy meeting the load requirement of the outdoor power supply;
performing environmental impact analysis on the plurality of preliminary installation schemes, and selecting point positions and layouts which accord with first preset impact data to obtain a plurality of basic installation schemes;
And modifying the plurality of basic installation schemes according to the first preset safety requirements and the first preset movement requirements to form a plurality of final installation schemes.
Optionally, the selecting a first mounting scheme from the plurality of mounting schemes mounts the solar panel, and the control processor is configured to:
determining a corresponding first installation position according to the geographic three-dimensional model, the first three-dimensional model and the first installation scheme;
when the actual place corresponding to the first expected place is reached, acquiring current position information;
marking an actual installation point position corresponding to the first installation position according to the first installation position and the current position information;
according to the actual installation point position, installing a first installation bracket of the solar panel;
generating a first virtual three-dimensional model in an installation completion state according to the geographic three-dimensional model, the first three-dimensional model and the first installation scheme;
projecting the first virtual three-dimensional model to a space where the first installation position is located, and adjusting the first virtual three-dimensional model to a state that the corresponding geographic three-dimensional model part in the first virtual three-dimensional model is matched with an actual geographic form to obtain a first virtual projection state;
And adjusting the solar panel according to the first virtual projection state to finish installation.
Optionally, the step of controlling the solar panel according to the first environmental data, the first working data and the second working data, the control processor is configured to:
acquiring first environment illumination intensity and first temperature data from the first environment data, and judging whether a first preset starting condition for starting the solar panel is reached or not;
acquiring a first real-time working voltage and a first real-time working current of the solar panel, and calculating a first current output power of the solar panel;
acquiring first real-time input voltage data of the outdoor power supply and comparing the first real-time input voltage data with a normal working voltage range of the outdoor power supply;
if the input voltage is lower than the lower limit of the range, a control signal for increasing the output power of the solar panel is sent out so as to increase the input voltage of the solar panel;
if the input voltage is higher than the upper limit of the range, a control signal for reducing the output power of the solar panel is sent out so as to reduce the input voltage of the solar panel, so that the input voltage is controlled in a normal working range;
according to the first work load change data of the outdoor power supply, correspondingly sending out a control signal to adjust the output power of the solar panel so as to meet different load demands, improving the output when the load is increased, and reducing the output when the load is reduced;
If the outdoor power supply enters a certain fault state, a control signal for closing the solar panel is timely sent out to isolate the input of the outdoor power supply, so that the fault is prevented from expanding, and the solar panel is restarted after the fault is removed.
Optionally, the step of acquiring a first real-time operating voltage and a first real-time operating current of the solar panel and calculating a first current output power thereof, the control processor is configured to:
calculating the first current output power by the following formula:
I＝I 1 -I 2 *e^((V 1 -V)/aVt)；
P＝V*(I 1 -I 2 *e^((V 1 -V)/a*Vt))；
wherein P is the first current output power, and the unit is W; v is the first real-time working voltage, and the unit is volt; i is the first real-time working current, I 1 A unit ampere is a short-circuit current of the solar panel; i 2 A saturation current per ampere for the solar panel; v (V) 1 An open circuit voltage in volts for the solar panel; vt is the thermoelectric voltage of the solar panel, typically 0.026 volts in volts; a is an ideal coefficient of the solar panel, and the value range is 1-2.
Another aspect of the present invention provides an outdoor power solar panel control method with a wide voltage input, which is applied to an outdoor power solar panel with a wide voltage input, the outdoor power solar panel with a wide voltage input including a control processor, an acquisition module, a solar cell, glass, a back plate, a frame, and a connector, the outdoor power solar panel control method with a wide voltage input including:
The acquisition module acquires first point cloud data of a first expected place and establishes a geographic three-dimensional model of the first expected place according to the first point cloud data;
the acquisition module acquires second point cloud data of the solar panel and establishes a first three-dimensional model of the solar panel according to the second point cloud data;
the control processor generates a plurality of installation schemes of the solar panel according to the geographic three-dimensional model and the first three-dimensional model;
the control processor selects a first installation scheme from the plurality of installation schemes to install the solar panel;
in the working process of the solar panel, the acquisition module acquires first environmental data of the current environment, first working data of the solar panel and second working data of an outdoor power supply;
the control processor controls the solar panel according to the first environmental data, the first working data and the second working data.
Optionally, the step of generating, by the control processor, a plurality of installation schemes of the solar panel according to the geographic three-dimensional model and the first three-dimensional model includes:
analyzing topography and topography according to the geographic three-dimensional model, and determining a plurality of potential first setting points;
Generating a first three-dimensional bracket model at the plurality of first setting points, and importing the first three-dimensional model of the solar panel for matching layout to form a plurality of alternative installation schemes;
carrying out solar analysis on the plurality of alternative installation schemes to determine a plurality of preliminary installation schemes with generated energy meeting the load requirement of the outdoor power supply;
performing environmental impact analysis on the plurality of preliminary installation schemes, and selecting point positions and layouts which accord with first preset impact data to obtain a plurality of basic installation schemes;
and modifying the plurality of basic installation schemes according to the first preset safety requirements and the first preset movement requirements to form a plurality of final installation schemes.
Optionally, the control processor selects a first installation scheme from the plurality of installation schemes to install the solar panel, including:
determining a corresponding first installation position according to the geographic three-dimensional model, the first three-dimensional model and the first installation scheme;
when the actual place corresponding to the first expected place is reached, acquiring current position information;
marking an actual installation point position corresponding to the first installation position according to the first installation position and the current position information;
According to the actual installation point position, installing a first installation bracket of the solar panel;
generating a first virtual three-dimensional model in an installation completion state according to the geographic three-dimensional model, the first three-dimensional model and the first installation scheme;
projecting the first virtual three-dimensional model to a space where the first installation position is located, and adjusting the first virtual three-dimensional model to a state that the corresponding geographic three-dimensional model part in the first virtual three-dimensional model is matched with an actual geographic form to obtain a first virtual projection state;
and adjusting the solar panel according to the first virtual projection state to finish installation.
Optionally, the step of controlling the solar panel by the control processor according to the first environmental data, the first working data and the second working data includes:
acquiring first environment illumination intensity and first temperature data from the first environment data, and judging whether a first preset starting condition for starting the solar panel is reached or not;
acquiring a first real-time working voltage and a first real-time working current of the solar panel, and calculating a first current output power of the solar panel;
acquiring first real-time input voltage data of the outdoor power supply and comparing the first real-time input voltage data with a normal working voltage range of the outdoor power supply;
If the input voltage is lower than the lower limit of the range, a control signal for increasing the output power of the solar panel is sent out so as to increase the input voltage of the solar panel;
if the input voltage is higher than the upper limit of the range, a control signal for reducing the output power of the solar panel is sent out so as to reduce the input voltage of the solar panel, so that the input voltage is controlled in a normal working range;
and correspondingly sending a control signal to adjust the output power of the solar panel according to the first work load change data of the outdoor power supply so as to meet different load demands, improving the output when the load is increased, and reducing the output when the load is reduced.
If the outdoor power supply enters a certain fault state, a control signal for closing the solar panel is timely sent out to isolate the input of the outdoor power supply, so that the fault is prevented from expanding, and the solar panel is restarted after the fault is removed.
Optionally, the step of acquiring the first real-time operating voltage and the first real-time operating current of the solar panel and calculating the first current output power thereof includes:
calculating the first current output power by the following formula:
I＝I 1 -I 2 *e^((V 1 -V)/aVt)；
P＝V*(I 1 -I 2 *e^((V 1 -V)/a*Vt))；
wherein P is the first current output power, and the unit is W; v is the first real-time working voltage, and the unit is volt; i is the first real-time working current, I 1 A unit ampere is a short-circuit current of the solar panel; i 2 A saturation current per ampere for the solar panel; v (V) 1 An open circuit voltage in volts for the solar panel; vt is the thermoelectric voltage of the solar panel, typically 0.026 volts in volts; a is an ideal coefficient of the solar panel, and the value range is 1-2.
By adopting the technical scheme, the first point cloud data of the first expected place is acquired through the acquisition module, and a geographic three-dimensional model of the first expected place is built according to the first point cloud data; the acquisition module acquires second point cloud data of the solar panel and establishes a first three-dimensional model of the solar panel according to the second point cloud data; the control processor generates a plurality of installation schemes of the solar panel according to the geographic three-dimensional model and the first three-dimensional model; the control processor selects a first installation scheme from the plurality of installation schemes to install the solar panel; in the working process of the solar panel, the acquisition module acquires first environmental data of the current environment, first working data of the solar panel and second working data of an outdoor power supply; the control processor controls the solar panel according to the first environmental data, the first working data and the second working data. According to the scheme, the accurate three-dimensional model of the destination and the solar panel is built by utilizing the point cloud data, so that a foundation is provided for installing the solar panel and accurately controlling the solar panel according to the geographic environment; in the working process of the solar panel, the solar panel is controlled according to the first environmental data of the current environment, the first working data of the solar panel and the second working data of the outdoor power supply, so that the solar panel can intelligently adjust working parameters according to the states of the current environment and the outdoor power supply, and the charging/power consumption requirements of the current environment and the outdoor power supply are met in the optimal working state.
Drawings
FIG. 1 is a schematic block diagram of an outdoor power solar panel with wide voltage input provided in one embodiment of the invention;
fig. 2 is a flowchart of a method for controlling an outdoor power solar panel with a wide voltage input according to an embodiment of the present invention.
Detailed Description
In order that the above-recited objects, features and advantages of the present invention will be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced otherwise than as described herein, and therefore the scope of the present invention is not limited to the specific embodiments disclosed below.
The terms first, second and the like in the description and in the claims of the present application and in the above-described figures, are used for distinguishing between different objects and not for describing a particular sequential order. Furthermore, the terms "comprise" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those listed steps or elements but may include other steps or elements not listed or inherent to such process, method, article, or apparatus.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the present application. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.
An outdoor power solar panel with a wide voltage input and a control method thereof according to some embodiments of the present invention are described below with reference to fig. 1 to 2.
As shown in fig. 1, one embodiment of the present invention provides an outdoor power solar panel having a wide voltage input, comprising: the solar cell module comprises a control processor, an acquisition module, a solar cell, glass, a back plate, a frame and a connector;
the acquisition module is configured to:
acquiring first point cloud data of a first expected place, and establishing a geographic three-dimensional model of the first expected place according to the first point cloud data;
acquiring second point cloud data of the solar panel, and establishing a first three-dimensional model of the solar panel according to the second point cloud data;
The control processor is configured to:
generating a plurality of installation schemes of the solar panel according to the geographic three-dimensional model and the first three-dimensional model;
selecting a first mounting scheme from the plurality of mounting schemes to mount the solar panel;
the acquisition module is configured to: acquiring first environmental data of a current environment, first working data of the solar panel and second working data of an outdoor power supply in the working process of the solar panel;
the control processor is configured to: and controlling the solar panel according to the first environmental data, the first working data and the second working data.
According to the scheme, first point cloud data (including but not limited to point cloud data of terrains, buildings, plants and the like) of a first expected place (such as a camping destination, an outdoor activity habitat, a self-driving tour midway berthing place and the like) are obtained through the obtaining module, and a geographic three-dimensional model of the first expected place is built according to the first point cloud data, so that a geographic model with the most accurate place is obtained; the acquisition module acquires second point cloud data of the solar panel, and establishes a first three-dimensional model of the solar panel according to the second point cloud data so as to carry out subsequent installation and control according to the accurate solar panel model; the control processor generates a plurality of installation schemes of the solar panel according to the geographic three-dimensional model and the first three-dimensional model; the control processor selects a first installation scheme from the plurality of installation schemes to install the solar panel (including installation adjustment according to actual data); in the working process of the solar panel, the acquisition module acquires first environmental data of the current environment, first working data of the solar panel and second working data of an outdoor power supply; the control processor controls the solar panel according to the first environmental data, the first working data and the second working data. According to the scheme, the accurate three-dimensional model of the destination and the solar panel is built by utilizing the point cloud data, so that a foundation is provided for installing the solar panel and accurately controlling the solar panel according to the geographic environment; in the working process of the solar panel, the solar panel is controlled according to the first environmental data of the current environment, the first working data of the solar panel and the second working data of the outdoor power supply, so that the solar panel can intelligently adjust working parameters according to the states of the current environment and the outdoor power supply, and the charging/power consumption requirements of the current environment and the outdoor power supply are met in the optimal working state.
It should be understood that the block diagram of the outdoor power solar panel with wide voltage input shown in fig. 1 is only illustrative, and the number of the illustrated modules does not limit the scope of the present invention.
In some possible embodiments of the present invention, the step of generating a plurality of installation schemes of the solar panel according to the geographic three-dimensional model and the first three-dimensional model, the control processor is configured to:
analyzing topography and topography according to the geographic three-dimensional model, and determining a plurality of potential first setting points (such as hills, flat lands, woodland open spaces and the like, preferably open spaces with brackets arranged thereon);
generating a first three-dimensional bracket model at the plurality of first setting points (mainly considering simple structure and convenient movement of a scheme at the moment), importing the first three-dimensional model of the solar panel for matching layout to form a plurality of alternative installation schemes (including setting points/installation positions, orientations, angles and the like; acquiring historical data such as terrain, flatness, light data, temperature data and the like, determining an approximate scheme firstly, and then carrying out installation adjustment according to actual data later);
carrying out solar analysis on the plurality of alternative installation schemes to determine a plurality of preliminary installation schemes with generated energy meeting the load requirement of the outdoor power supply;
Performing environmental impact analysis on the plurality of preliminary installation schemes, and selecting point positions and layouts which accord with first preset impact data (such as sunshade rate, ground flatness, ground gradient, distance between water sources and the like determined by tree coverage rate and height) to obtain a plurality of basic installation schemes;
modifying the plurality of basic installation schemes according to the first preset safety requirements and the first preset movement requirements (such as limiting requirements on the aspect of ground flatness, gradient, vegetation, temperature, humidity and the like in the first preset safety requirements, limiting requirements on the aspect of bracket weight, bracket number, bracket type, solar panel number and the like in the first preset movement requirements, eliminating schemes with potential safety hazards, complex structure or difficult movement, and providing different brackets, solar panel groups with different areas and the like for selection) to form the final plurality of installation schemes.
It can be understood that, according to the scheme of the embodiment, the final installation scheme is determined by performing simulation installation and evaluation in the three-dimensional model and combining data of multiple aspects such as solar analysis, power consumption requirement of load, environmental impact analysis and the like, so that the power generation requirement can be met, and safety and convenience can be ensured.
In some possible embodiments of the invention, the selecting a first mounting scheme from the plurality of mounting schemes mounts the solar panel, and the control processor is configured to:
determining a corresponding first installation position according to the geographic three-dimensional model, the first three-dimensional model and the first installation scheme;
when the actual place corresponding to the first expected place is reached, acquiring current position information;
marking an actual installation point position corresponding to the first installation position according to the first installation position and the current position information;
according to the actual installation point position, installing a first installation bracket of the solar panel;
generating a first virtual three-dimensional model in an installation completion state according to the geographic three-dimensional model, the first three-dimensional model and the first installation scheme;
projecting the first virtual three-dimensional model to a space where the first installation position is located, and adjusting the first virtual three-dimensional model to a state that the corresponding geographic three-dimensional model part in the first virtual three-dimensional model is matched with an actual geographic form to obtain a first virtual projection state;
and adjusting the solar panel according to the first virtual projection state to finish installation.
In this embodiment, according to the geographic three-dimensional model, the first three-dimensional model and the first installation scheme, determining a corresponding first installation position; when the actual place corresponding to the first expected place is reached, acquiring current position information; according to the first installation position and the current position information, an actual installation point position corresponding to the first installation position can be projected and marked on the ground by using the intelligent terminal which reads the geographic three-dimensional model, the first installation scheme and the current position information; according to the actual installation point position, installing a first installation bracket of the solar panel; further, the intelligent terminal can be used for generating a first virtual three-dimensional model in an installation completion state according to the geographic three-dimensional model, the first three-dimensional model and the first installation scheme; projecting the first virtual three-dimensional model to a space where the first installation position is located, and adjusting the first virtual three-dimensional model to a state that the corresponding geographic three-dimensional model part in the first virtual three-dimensional model is matched with an actual geographic form to obtain a first virtual projection state; according to the first virtual projection state, the solar panel is adjusted to complete installation (such as adjusting azimuth, angle, etc.). In the embodiment, the mounting bracket of the solar panel can be accurately mounted by projecting the mounting point in the first mounting scheme to the ground; and then, the installed virtual model is projected to a corresponding space, so that a reference can be provided for accurately adjusting the state of the solar panel, and the accuracy and convenience of the installation of the solar panel are greatly improved.
In some possible embodiments of the present invention, the step of controlling the solar panel according to the first environmental data, the first working data and the second working data, the control processor is configured to:
acquiring first environment illumination intensity and first temperature data from the first environment data, and judging whether a first preset starting condition for starting the solar panel is met (if the condition is met, a starting signal is sent to enable the solar panel to start working to generate electricity, and if the condition is not met, a stopping signal is sent to enable the solar panel to stop working);
acquiring a first real-time working voltage and a first real-time working current of the solar panel, and calculating a first current output power of the solar panel; ( Then comparing with the nominal maximum power of the solar panel, and if the power is lower than the maximum value, sending out a control signal for improving the PWM duty ratio so as to increase the output power; if the output power is higher than the maximum value, a control signal for reducing the PWM duty ratio is sent out to reduce the output power so as to realize the maximum power tracking control )
Acquiring first real-time input voltage data of the outdoor power supply and comparing the first real-time input voltage data with a normal working voltage range of the outdoor power supply; if the input voltage is lower than the lower limit of the range, a control signal for increasing the output power of the solar panel is sent out so as to increase the input voltage of the solar panel; if the output voltage is higher than the upper limit of the range, a control signal for reducing the output power of the solar panel is sent out so as to reduce the input voltage of the solar panel. The input voltage is intended to be controlled within the normal operating range.
And correspondingly sending a control signal to adjust the output power of the solar panel according to the first work load change data of the outdoor power supply so as to meet different load demands. The output is increased when the load increases and decreased when the load decreases.
If the outdoor power supply enters a certain fault state, a control signal for closing the solar panel is timely sent out so as to isolate the input of the solar panel and prevent the expansion of faults. Restarting the solar panel after the fault is removed.
In this embodiment, illumination and temperature monitoring can be set to obtain working parameters of the solar panel and the outdoor power supply, and by comparing the working parameters with the difference value between the working parameters and the normal working range, a PWM control signal for increasing, decreasing or closing the output of the solar panel is sent out, so as to realize maximum power tracking and input voltage adjustment, meet different load demands, and also can manually intervene or close the solar panel under the fault condition, thereby achieving the purpose of effectively controlling and protecting the solar panel.
In this embodiment, the method further includes adjusting a position, an azimuth, an angle, etc. of the solar panel according to the real-time light angle, the light intensity and the current geographic position of the solar panel, and generating a power generation scheme matched with the charging requirement of the outdoor power supply, and the main steps are as follows:
1. Acquiring longitude and latitude coordinates of the current geographic position, and calculating azimuth angle and zenith angle of the sun according to the coordinates to obtain angle of solar rays, wherein the specific steps are as follows:
acquiring longitude lgi and latitude lat (in degrees) of the current geographic position;
the solar declination dec (unit is degree) of the current geographic position is calculated, and the formula is as follows:
dec＝23.45*sin((360/365)*(284+D))；
where D is the number of days, i.e. the day of the year at which the current date is, e.g. 1 month 1 day is the number of days 1.
The local solar hour angle h_angle is calculated, and the formula is as follows: h_angle=15 x (lgi/15+z); z is the current geographical location time area code, i.e., the solar time angle is calculated as the standard time of the local area.
The zenith angle z_angle is calculated as:
z_angle＝arcsin(sin(lat)*sin(dec)+cos(lat)*cos(dec)*cos(h_angle))；
calculating azimuth angle a_angle:
if h _ angle >0,
a_angle=180-arccoss ((sin (lat) -sin (z_angle) × sin (dec))/(cos (z_angle) × cos (dec)));
if h _ angle <0,
a_angle=arccos ((sin (lat) -sin (z_angle) ×sin (dec))/(cos (z_angle) ×cos (dec)));
the calculated azimuth angle is converted into a range of 0-360 degrees to represent the direction, wherein the azimuth angle is 0 degrees to north, 90 degrees to east, 180 degrees to south and 270 degrees to west.
As above, local solar declination can be calculated according to the longitude and latitude of the place and the day of the year. And then calculating the solar time angle according to the time zone difference and the declination, and further obtaining the zenith angle. And finally, calculating the azimuth angle of the sun according to the zenith angle, the declination and the longitude, so as to determine the spatial azimuth of the sun.
2. And detecting the current light intensity obtained by the illuminometer or the image recognition sensor to judge whether the minimum illumination requirement of the solar panel work is met, if not, stopping the work, otherwise, performing subsequent control.
3. Determining the direction of the sun according to the calculated azimuth angle of the sun, and calculating the direction perpendicular to the direction as the optimal azimuth angle of the solar panel so as to obtain the most illumination; then calculating the optimal elevation angle according to the zenith angle to obtain the most direct illumination;
4. checking the angle between each panel of the solar panel and the light source under the determined azimuth angle and elevation angle, if the illumination of the panel is insufficient or blocked, the azimuth angle and elevation angle of the solar panel need to be properly adjusted, and even the rotation of the rack is performed, so that the sufficient illumination of each panel is ensured.
5. And re-detecting the illumination intensity of each panel under the adjusted position and angle, if the illumination intensity of each panel meets the working requirement, starting working power generation, otherwise, continuing to perform proper adjustment until the requirements are met.
6. According to the charging requirement of the outdoor power supply, the working time and the generating capacity are determined, the illumination intensity and the panel generating capacity are detected in real time according to the environmental illumination change, the azimuth angle, the elevation angle or the rotation angle are dynamically adjusted, the whole generating capacity meets the charging requirement, and the dynamic light following is realized.
7. If the illumination conditions change greatly, the panel cannot obtain enough illumination due to rotation, at the moment, new installation positions and layout are needed to be selected again, and dynamic light tracking control is performed on a new scheme so as to ensure that the charging requirement is met.
In this embodiment, tracking the movement track of the sun and dynamically adjusting to obtain the maximum illumination, and adjusting the installation position and layout at any time according to the illumination condition and the power generation amount to meet the charging requirement of the outdoor power supply, which requires the system to continuously monitor the environmental illumination and the power generation data and perform automatic control. The purposes of dynamic light tracking and maximum power generation can be really achieved only on the premise of intelligent adjustment and control.
In some possible embodiments of the present invention, the step of obtaining a first real-time operating voltage and a first real-time operating current of the solar panel and calculating a first current output power thereof, the control processor is configured to:
calculating the first current output power by the following formula:
I＝I 1 -I 2 *e^((V 1 -V)/aVt)；
P＝V*(I 1 -I 2 *e^((V 1 -V)/a*Vt))；
wherein P is the first current output power, and the unit is W; v is the first real-time working voltage, and the unit is volt; i is the first real-time working current, I 1 A unit ampere is a short-circuit current of the solar panel; i 2 A saturation current per ampere for the solar panel; v (V) 1 An open circuit voltage in volts for the solar panel; vt is the solar panelIs typically 0.026 volts per volt; a is an ideal coefficient of the solar panel, and the value range is 1-2;
in some possible embodiments of the present invention, different installation and starting schemes of other devices are designed, such as tent construction, lighting devices, starting rules of electrical devices, etc., the model is monitored in real time, and adjustment or reminding is performed. And combining the strokes to generate early warning.
In some possible embodiments of the present invention, the control processor in the solar panel may further perform intelligent control on charging and discharging, may detect parameters such as voltage, current, temperature, etc. of the outdoor power source that receives charging, and control on or off of the switching element according to different charging and discharging modes and algorithms, so as to adjust the charging current of the solar panel and the discharging current of the load.
The charge and discharge protection function of the control processor of the solar panel mainly comprises the following points:
prevent overcharge: when the voltage of the outdoor power supply reaches a set full-cut-off value, the control processor cuts off the charging loop, stops charging the outdoor power supply, and avoids damage such as gasification, expansion and aging of the outdoor power supply.
Preventing overdischarge: when the voltage of the outdoor power supply is reduced to a set undervoltage breaking value, the control processor cuts off the discharge loop, stops supplying power to the load, and avoids invalidation such as sulfuration, polar plate damage, capacity reduction and the like of the outdoor power supply.
Prevent reverse connection, short circuit, overcurrent, etc.: the control processor has the functions of reverse polarity protection, output short-circuit protection, output overload protection and the like, and can cut off a loop in time when abnormal conditions occur, so that an outdoor power supply, a solar panel and a load are protected from being damaged.
Temperature compensation: the control processor also has a temperature compensation function, and can automatically adjust charge and discharge parameters according to the temperature change of the outdoor power supply, so that the outdoor power supply can be properly charged and discharged at different temperatures.
It should be noted that, in this embodiment, the temperature compensation process includes:
(1) And (3) charge cut-off voltage compensation calculation:
Vcv(T)＝Vcv(T 0 )+Kv*(T-T 0 )
wherein Vcv (T) is the charge cut-off voltage at temperature T, vcv (T) 0 ) Is at a first preset temperature T 0 The charge cut-off voltage at (e.g., 25 ℃) Kv is the voltage temperature coefficient and T is the outdoor power supply temperature.
(2) Charging current compensation calculation:
Ichrg(T)＝Ichrg(T 0 )*(1+Ki*(T-T0)/100)
wherein Ichrg (T) is the charging current at temperature T, ichrg (T) 0 ) Is at a first preset temperature T 0 Charging current at (e.g., 25 ℃ C.), ki is the current temperature coefficient.
(3) And (3) calculating discharge cut-off voltage compensation:
Vdsg(T)＝Vdsg(T 0 )+Kv*(T-T 0 )
wherein Vdsg (T) is a discharge cut-off voltage at temperature T, vdsg (T) 0 ) Is at a first preset temperature T 0 (e.g., 25 ℃ C.) in the discharge cutoff voltage.
(4) And (3) discharge current compensation calculation:
Idsg(T)＝Idsg(T 0 )*(1+Ki*(T-T 0 )/100)
wherein Idsg (T) is the discharge current at temperature T, idsg (T) 0 ) Is at a first preset temperature T 0 (e.g., 25 ℃ C.) of the discharge current.
In this embodiment, according to the above formula, the real-time temperature T of the outdoor power supply may be detected, and the charge-discharge voltage and current of the outdoor power supply at the temperature may be calculated according to the temperature coefficients Kv and Ki, so as to generate a control signal, adjust the charge-discharge parameters, and make the outdoor power supply reach an optimal working state, which realizes the function of temperature compensation.
Referring to fig. 2, another embodiment of the present invention provides a control method of an outdoor power solar panel with a wide voltage input, which is applied to an outdoor power solar panel with a wide voltage input, wherein the outdoor power solar panel with a wide voltage input includes a control processor, an acquisition module, a solar cell, glass, a back plate, a frame and a connector, and the control method of the outdoor power solar panel with a wide voltage input includes:
The acquisition module acquires first point cloud data of a first expected place and establishes a geographic three-dimensional model of the first expected place according to the first point cloud data;
the acquisition module acquires second point cloud data of the solar panel and establishes a first three-dimensional model of the solar panel according to the second point cloud data;
the control processor generates a plurality of installation schemes of the solar panel according to the geographic three-dimensional model and the first three-dimensional model;
the control processor selects a first installation scheme from the plurality of installation schemes to install the solar panel;
in the working process of the solar panel, the acquisition module acquires first environmental data of the current environment, first working data of the solar panel and second working data of an outdoor power supply;
the control processor controls the solar panel according to the first environmental data, the first working data and the second working data.
According to the scheme, first point cloud data (including but not limited to point cloud data of terrains, buildings, plants and the like) of a first expected place (such as a camping destination, an outdoor activity habitat, a self-driving tour midway berthing place and the like) are obtained through the obtaining module, and a geographic three-dimensional model of the first expected place is built according to the first point cloud data, so that a geographic model with the most accurate place is obtained; the acquisition module acquires second point cloud data of the solar panel, and establishes a first three-dimensional model of the solar panel according to the second point cloud data so as to carry out subsequent installation and control according to the accurate solar panel model; the control processor generates a plurality of installation schemes of the solar panel according to the geographic three-dimensional model and the first three-dimensional model; the control processor selects a first installation scheme from the plurality of installation schemes to install the solar panel (including installation adjustment according to actual data); in the working process of the solar panel, the acquisition module acquires first environmental data of the current environment, first working data of the solar panel and second working data of an outdoor power supply; the control processor controls the solar panel according to the first environmental data, the first working data and the second working data. According to the scheme, the accurate three-dimensional model of the destination and the solar panel is built by utilizing the point cloud data, so that a foundation is provided for installing the solar panel and accurately controlling the solar panel according to the geographic environment; in the working process of the solar panel, the solar panel is controlled according to the first environmental data of the current environment, the first working data of the solar panel and the second working data of the outdoor power supply, so that the solar panel can intelligently adjust working parameters according to the states of the current environment and the outdoor power supply, and the charging/power consumption requirements of the current environment and the outdoor power supply are met in the optimal working state.
In some possible embodiments of the present invention, the step of generating, by the control processor, a plurality of installation schemes of the solar panel according to the geographic three-dimensional model and the first three-dimensional model includes:
analyzing topography and topography according to the geographic three-dimensional model, and determining a plurality of potential first setting points (such as hills, flat lands, woodland open spaces and the like, preferably open spaces with brackets arranged thereon);
generating a first three-dimensional bracket model at the plurality of first setting points (mainly considering simple structure and convenient movement of a scheme at the moment), importing the first three-dimensional model of the solar panel for matching layout to form a plurality of alternative installation schemes (including setting points/installation positions, orientations, angles and the like; acquiring historical data such as terrain, flatness, light data, temperature data and the like, determining an approximate scheme firstly, and then carrying out installation adjustment according to actual data later);
carrying out solar analysis on the plurality of alternative installation schemes to determine a plurality of preliminary installation schemes with generated energy meeting the load requirement of the outdoor power supply;
performing environmental impact analysis on the plurality of preliminary installation schemes, and selecting point positions and layouts which accord with first preset impact data (such as sunshade rate, ground flatness, ground gradient, distance between water sources and the like determined by tree coverage rate and height) to obtain a plurality of basic installation schemes;
Modifying the plurality of basic installation schemes according to the first preset safety requirements and the first preset movement requirements (such as limiting requirements on the aspect of ground flatness, gradient, vegetation, temperature, humidity and the like in the first preset safety requirements, limiting requirements on the aspect of bracket weight, bracket number, bracket type, solar panel number and the like in the first preset movement requirements, eliminating schemes with potential safety hazards, complex structure or difficult movement, and providing different brackets, solar panel groups with different areas and the like for selection) to form the final plurality of installation schemes.
It can be understood that, according to the scheme of the embodiment, the final installation scheme is determined by performing simulation installation and evaluation in the three-dimensional model and combining data of multiple aspects such as solar analysis, power consumption requirement of load, environmental impact analysis and the like, so that the power generation requirement can be met, and safety and convenience can be ensured.
In some possible embodiments of the present invention, the control processor selects a first mounting scheme from the plurality of mounting schemes to mount the solar panel, including:
determining a corresponding first installation position according to the geographic three-dimensional model, the first three-dimensional model and the first installation scheme;
When the actual place corresponding to the first expected place is reached, acquiring current position information;
marking an actual installation point position corresponding to the first installation position according to the first installation position and the current position information;
according to the actual installation point position, installing a first installation bracket of the solar panel;
generating a first virtual three-dimensional model in an installation completion state according to the geographic three-dimensional model, the first three-dimensional model and the first installation scheme;
projecting the first virtual three-dimensional model to a space where the first installation position is located, and adjusting the first virtual three-dimensional model to a state that the corresponding geographic three-dimensional model part in the first virtual three-dimensional model is matched with an actual geographic form to obtain a first virtual projection state;
and adjusting the solar panel according to the first virtual projection state to finish installation.
In this embodiment, according to the geographic three-dimensional model, the first three-dimensional model and the first installation scheme, determining a corresponding first installation position; when the actual place corresponding to the first expected place is reached, acquiring current position information; according to the first installation position and the current position information, an actual installation point position corresponding to the first installation position can be projected and marked on the ground by using the intelligent terminal which reads the geographic three-dimensional model, the first installation scheme and the current position information; according to the actual installation point position, installing a first installation bracket of the solar panel; further, the intelligent terminal can be used for generating a first virtual three-dimensional model in an installation completion state according to the geographic three-dimensional model, the first three-dimensional model and the first installation scheme; projecting the first virtual three-dimensional model to a space where the first installation position is located, and adjusting the first virtual three-dimensional model to a state that the corresponding geographic three-dimensional model part in the first virtual three-dimensional model is matched with an actual geographic form to obtain a first virtual projection state; according to the first virtual projection state, the solar panel is adjusted to complete installation (such as adjusting azimuth, angle, etc.). In the embodiment, the mounting bracket of the solar panel can be accurately mounted by projecting the mounting point in the first mounting scheme to the ground; and then, the installed virtual model is projected to a corresponding space, so that a reference can be provided for accurately adjusting the state of the solar panel, and the accuracy and convenience of the installation of the solar panel are greatly improved.
In some possible embodiments of the present invention, the step of controlling the solar panel by the control processor according to the first environmental data, the first working data and the second working data includes:
acquiring first environment illumination intensity and first temperature data from the first environment data, and judging whether a first preset starting condition for starting the solar panel is met (if the condition is met, a starting signal is sent to enable the solar panel to start working to generate electricity, and if the condition is not met, a stopping signal is sent to enable the solar panel to stop working);
acquiring a first real-time working voltage and a first real-time working current of the solar panel, and calculating a first current output power of the solar panel; ( Then comparing with the nominal maximum power of the solar panel, and if the power is lower than the maximum value, sending out a control signal for improving the PWM duty ratio so as to increase the output power; if the output power is higher than the maximum value, a control signal for reducing the PWM duty ratio is sent out to reduce the output power so as to realize the maximum power tracking control )
Acquiring first real-time input voltage data of the outdoor power supply and comparing the first real-time input voltage data with a normal working voltage range of the outdoor power supply; if the input voltage is lower than the lower limit of the range, a control signal for increasing the output power of the solar panel is sent out so as to increase the input voltage of the solar panel; if the voltage is higher than the upper limit of the range, a control signal for reducing the output power of the solar panel is sent out so as to reduce the input voltage of the solar panel, and the input voltage is controlled in the normal working range.
And correspondingly sending a control signal to adjust the output power of the solar panel according to the first work load change data of the outdoor power supply so as to meet different load demands. The output is increased when the load increases and decreased when the load decreases.
If the outdoor power supply enters a certain fault state, a control signal for closing the solar panel is timely sent out so as to isolate the input of the solar panel and prevent the expansion of faults. Restarting the solar panel after the fault is removed.
In this embodiment, illumination and temperature monitoring can be set to obtain working parameters of the solar panel and the outdoor power supply, and by comparing the working parameters with the difference value between the working parameters and the normal working range, a PWM control signal for increasing, decreasing or closing the output of the solar panel is sent out, so as to realize maximum power tracking and input voltage adjustment, meet different load demands, and also can manually intervene or close the solar panel under the fault condition, thereby achieving the purpose of effectively controlling and protecting the solar panel.
In this embodiment, the method further includes adjusting a position, an azimuth, an angle, etc. of the solar panel according to the real-time light angle, the light intensity and the current geographic position of the solar panel, and generating a power generation scheme matched with the charging requirement of the outdoor power supply, and the main steps are as follows:
1. Acquiring longitude and latitude coordinates of the current geographic position, and calculating azimuth angle and zenith angle of the sun according to the coordinates to obtain angle of solar rays, wherein the specific steps are as follows:
acquiring longitude lgi and latitude lat (in degrees) of the current geographic position;
the solar declination dec (unit is degree) of the current geographic position is calculated, and the formula is as follows:
dec＝23.45*sin((360/365)*(284+D))；
where D is the number of days, i.e. the day of the year at which the current date is, e.g. 1 month 1 day is the number of days 1.
The local solar hour angle h_angle is calculated, and the formula is as follows: h_angle=15 x (lgi/15+z); z is the current geographical location time area code, i.e., the solar time angle is calculated as the standard time of the local area.
The zenith angle z_angle is calculated as:
z_angle＝arcsin(sin(lat)*sin(dec)+cos(lat)*cos(dec)*cos(h_angle))；
calculating azimuth angle a_angle:
if h _ angle >0,
a_angle=180-arccoss ((sin (lat) -sin (z_angle) × sin (dec))/(cos (z_angle) × cos (dec)));
if h _ angle <0,
a_angle=arccos ((sin (lat) -sin (z_angle) ×sin (dec))/(cos (z_angle) ×cos (dec)));
the calculated azimuth angle is converted into a range of 0-360 degrees to represent the direction, wherein the azimuth angle is 0 degrees to north, 90 degrees to east, 180 degrees to south and 270 degrees to west.
As above, local solar declination can be calculated according to the longitude and latitude of the place and the day of the year. And then calculating the solar time angle according to the time zone difference and the declination, and further obtaining the zenith angle. And finally, calculating the azimuth angle of the sun according to the zenith angle, the declination and the longitude, so as to determine the spatial azimuth of the sun.
2. And detecting the current light intensity obtained by the illuminometer or the image recognition sensor to judge whether the minimum illumination requirement of the solar panel work is met, if not, stopping the work, otherwise, performing subsequent control.
3. Determining the direction of the sun according to the calculated azimuth angle of the sun, and calculating the direction perpendicular to the direction as the optimal azimuth angle of the solar panel so as to obtain the most illumination; then calculating the optimal elevation angle according to the zenith angle to obtain the most direct illumination;
4. checking the angle between each panel of the solar panel and the light source under the determined azimuth angle and elevation angle, if the illumination of the panel is insufficient or blocked, the azimuth angle and elevation angle of the solar panel need to be properly adjusted, and even the rotation of the rack is performed, so that the sufficient illumination of each panel is ensured.
5. And re-detecting the illumination intensity of each panel under the adjusted position and angle, if the illumination intensity of each panel meets the working requirement, starting working power generation, otherwise, continuing to perform proper adjustment until the requirements are met.
6. According to the charging requirement of the outdoor power supply, the working time and the generating capacity are determined, the illumination intensity and the panel generating capacity are detected in real time according to the environmental illumination change, the azimuth angle, the elevation angle or the rotation angle are dynamically adjusted, the whole generating capacity meets the charging requirement, and the dynamic light following is realized.
7. If the illumination conditions change greatly, the panel cannot obtain enough illumination due to rotation, at the moment, new installation positions and layout are needed to be selected again, and dynamic light tracking control is performed on a new scheme so as to ensure that the charging requirement is met.
In this embodiment, tracking the movement track of the sun and dynamically adjusting to obtain the maximum illumination, and adjusting the installation position and layout at any time according to the illumination condition and the power generation amount to meet the charging requirement of the outdoor power supply, which requires the system to continuously monitor the environmental illumination and the power generation data and perform automatic control. The purposes of dynamic light tracking and maximum power generation can be really achieved only on the premise of intelligent adjustment and control.
In some possible embodiments of the present invention, the step of obtaining a first real-time operating voltage and a first real-time operating current of the solar panel and calculating a first current output power thereof includes:
calculating the first current output power by the following formula:
I＝I 1 -I 2 *e^((V 1 -V)/aVt)；
P＝V*(I 1 -I 2 *e^((V 1 -V)/a*Vt))；
wherein P is the first current output power, and the unit is W; v is the first real-time working voltage, and the unit is volt; i is the first real-time working current, I 1 A unit ampere is a short-circuit current of the solar panel; i 2 A saturation current per ampere for the solar panel; v (V) 1 An open circuit voltage in volts for the solar panel; vt is the thermoelectric voltage of the solar panel, typically 0.026 volts in volts; a is an ideal coefficient of the solar panel, and the value range is 1-2;
in some possible embodiments of the present invention, different installation and starting schemes of other devices are designed, such as tent construction, lighting devices, starting rules of electrical devices, etc., the model is monitored in real time, and adjustment or reminding is performed. And combining the strokes to generate early warning.
In some possible embodiments of the present invention, the control processor in the solar panel may further perform intelligent control on charging and discharging, may detect parameters such as voltage, current, temperature, etc. of the outdoor power source that receives charging, and control on or off of the switching element according to different charging and discharging modes and algorithms, so as to adjust the charging current of the solar panel and the discharging current of the load.
The charge and discharge protection function of the control processor of the solar panel mainly comprises the following points:
prevent overcharge: when the voltage of the outdoor power supply reaches a set full-cut-off value, the control processor cuts off the charging loop, stops charging the outdoor power supply, and avoids damage such as gasification, expansion and aging of the outdoor power supply.
Preventing overdischarge: when the voltage of the outdoor power supply is reduced to a set undervoltage breaking value, the control processor cuts off the discharge loop, stops supplying power to the load, and avoids invalidation such as sulfuration, polar plate damage, capacity reduction and the like of the outdoor power supply.
Prevent reverse connection, short circuit, overcurrent, etc.: the control processor has the functions of reverse polarity protection, output short-circuit protection, output overload protection and the like, and can cut off a loop in time when abnormal conditions occur, so that an outdoor power supply, a solar panel and a load are protected from being damaged.
Temperature compensation: the control processor also has a temperature compensation function, and can automatically adjust charge and discharge parameters according to the temperature change of the outdoor power supply, so that the outdoor power supply can be properly charged and discharged at different temperatures.
It should be noted that, in this embodiment, the temperature compensation process includes:
(1) And (3) charge cut-off voltage compensation calculation:
Vcv(T)＝Vcv(T 0 )+Kv*(T-T 0 )
wherein Vcv (T) is the charge cut-off voltage at temperature T, vcv (T) 0 ) Is at a first preset temperature T 0 The charge cut-off voltage at (e.g., 25 ℃) Kv is the voltage temperature coefficient and T is the outdoor power supply temperature.
(2) Charging current compensation calculation:
Ichrg(T)＝Ichrg(T 0 )*(1+Ki*(T-T0)/100)
wherein Ichrg (T) is the charging current at temperature T, ichrg (T) 0 ) Is at a first preset temperature T 0 Charging current at (e.g., 25 ℃ C.), ki is the current temperature coefficient.
(3) And (3) calculating discharge cut-off voltage compensation:
Vdsg(T)＝Vdsg(T 0 )+Kv*(T-T 0 )
wherein Vdsg (T) isDischarge cut-off voltage at temperature T, vdsg (T 0 ) Is at a first preset temperature T 0 (e.g., 25 ℃ C.) in the discharge cutoff voltage.
(4) And (3) discharge current compensation calculation:
Idsg(T)＝Idsg(T 0 )*(1+Ki*(T-T 0 )/100)
wherein Idsg (T) is the discharge current at temperature T, idsg (T) 0 ) Is at a first preset temperature T 0 (e.g., 25 ℃ C.) of the discharge current.
In this embodiment, according to the above formula, the real-time temperature T of the outdoor power supply may be detected, and the charge-discharge voltage and current of the outdoor power supply at the temperature may be calculated according to the temperature coefficients Kv and Ki, so as to generate a control signal, adjust the charge-discharge parameters, and make the outdoor power supply reach an optimal working state, which realizes the function of temperature compensation.
It should be noted that, for simplicity of description, the foregoing method embodiments are all expressed as a series of action combinations, but it should be understood by those skilled in the art that the present application is not limited by the order of actions described, as some steps may be performed in other order or simultaneously in accordance with the present application. Further, those skilled in the art will also appreciate that the embodiments described in the specification are all preferred embodiments, and that the acts and modules referred to are not necessarily required in the present application.
In the foregoing embodiments, the descriptions of the embodiments are emphasized, and for parts of one embodiment that are not described in detail, reference may be made to related descriptions of other embodiments.
In the several embodiments provided in this application, it should be understood that the disclosed apparatus may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, such as the above-described division of units, merely a division of logic functions, and there may be additional manners of dividing in actual implementation, such as multiple units or components may be combined or integrated into another system, or some features may be omitted, or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be an indirect coupling or communication connection via some interfaces, devices or units, or may be in electrical or other forms.
The units described above as separate components may or may not be physically separate, and components shown as units may or may not be physical units, may be located in one place, or may be distributed over a plurality of network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
In addition, each functional unit in each embodiment of the present application may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit. The integrated units may be implemented in hardware or in software functional units.
The integrated units described above, if implemented in the form of software functional units and sold or used as stand-alone products, may be stored in a computer readable memory. Based on such understanding, the technical solution of the present application may be embodied in essence or a part contributing to the prior art or all or part of the technical solution in the form of a software product stored in a memory, including several instructions for causing a computer device (which may be a personal computer, a server or a network device, etc.) to perform all or part of the steps of the above-mentioned method of the various embodiments of the present application. And the aforementioned memory includes: a U-disk, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), a removable hard disk, a magnetic disk, or an optical disk, or other various media capable of storing program codes.
Those of ordinary skill in the art will appreciate that all or a portion of the steps in the various methods of the above embodiments may be implemented by a program that instructs associated hardware, and the program may be stored in a computer readable memory, which may include: flash disk, read-Only Memory (ROM), random access Memory (Random Access Memory, RAM), magnetic disk or optical disk.
The foregoing has outlined rather broadly the more detailed description of embodiments of the present application, wherein specific examples are provided herein to illustrate the principles and embodiments of the present application, the above examples being provided solely to assist in the understanding of the methods of the present application and the core ideas thereof; meanwhile, as those skilled in the art will have modifications in the specific embodiments and application scope in accordance with the ideas of the present application, the present description should not be construed as limiting the present application in view of the above.
Although the present invention is disclosed above, the present invention is not limited thereto. Variations and modifications, including combinations of the different functions and implementation steps, as well as embodiments of the software and hardware, may be readily apparent to those skilled in the art without departing from the spirit and scope of the invention.

Claims (6)

1. An outdoor power solar panel with wide voltage input, comprising: the solar cell module comprises a control processor, an acquisition module, a solar cell, glass, a back plate, a frame and a connector;
the acquisition module is configured to:
acquiring first point cloud data of a first expected place, and establishing a geographic three-dimensional model of the first expected place according to the first point cloud data;
acquiring second point cloud data of the solar panel, and establishing a first three-dimensional model of the solar panel according to the second point cloud data;
the control processor is configured to:
generating a plurality of installation schemes of the solar panel according to the geographic three-dimensional model and the first three-dimensional model;
selecting a first mounting scheme from the plurality of mounting schemes to mount the solar panel;
the acquisition module is configured to: acquiring first environmental data of a current environment, first working data of the solar panel and second working data of an outdoor power supply in the working process of the solar panel;
the control processor is configured to: controlling the solar panel according to the first environmental data, the first working data and the second working data;
The step of generating a plurality of installation plans for the solar panel from the geographic three-dimensional model and the first three-dimensional model, the control processor configured to:
analyzing topography and topography according to the geographic three-dimensional model, and determining a plurality of potential first setting points;
generating a first three-dimensional bracket model at the plurality of first setting points, and importing the first three-dimensional model of the solar panel for matching layout to form a plurality of alternative installation schemes;
carrying out solar analysis on the plurality of alternative installation schemes to determine a plurality of preliminary installation schemes with generated energy meeting the load requirement of the outdoor power supply;
performing environmental impact analysis on the plurality of preliminary installation schemes, and selecting point positions and layouts which accord with first preset impact data to obtain a plurality of basic installation schemes;
modifying the plurality of basic installation schemes according to a first preset safety requirement and a first preset movement requirement to form a plurality of final installation schemes;
the selecting a first mounting scheme from the plurality of mounting schemes to mount the solar panel, the control processor configured to:
determining a corresponding first installation position according to the geographic three-dimensional model, the first three-dimensional model and the first installation scheme;
When the actual place corresponding to the first expected place is reached, acquiring current position information;
marking an actual installation point position corresponding to the first installation position according to the first installation position and the current position information;
according to the actual installation point position, installing a first installation bracket of the solar panel;
generating a first virtual three-dimensional model in an installation completion state according to the geographic three-dimensional model, the first three-dimensional model and the first installation scheme;
projecting the first virtual three-dimensional model to a space where the first installation position is located, and adjusting the first virtual three-dimensional model to a state that the corresponding geographic three-dimensional model part in the first virtual three-dimensional model is matched with an actual geographic form to obtain a first virtual projection state;
and adjusting the solar panel according to the first virtual projection state to finish installation.
2. The outdoor power solar panel with wide voltage input of claim 1, wherein the step of controlling the solar panel according to the first environmental data, the first operational data, and the second operational data, the control processor is configured to:
Acquiring first environment illumination intensity and first temperature data from the first environment data, and judging whether a first preset starting condition for starting the solar panel is reached or not;
acquiring a first real-time working voltage and a first real-time working current of the solar panel, and calculating a first current output power of the solar panel;
acquiring first real-time input voltage data of the outdoor power supply and comparing the first real-time input voltage data with a normal working voltage range of the outdoor power supply;
if the input voltage is lower than the lower limit of the range, a control signal for increasing the output power of the solar panel is sent out so as to increase the input voltage of the solar panel;
if the input voltage is higher than the upper limit of the range, a control signal for reducing the output power of the solar panel is sent out so as to reduce the input voltage of the solar panel, so that the input voltage is controlled in a normal working range;
according to the first work load change data of the outdoor power supply, correspondingly sending out a control signal to adjust the output power of the solar panel so as to meet different load demands, improving the output when the load is increased, and reducing the output when the load is reduced;
if the outdoor power supply enters a certain fault state, a control signal for closing the solar panel is timely sent out to isolate the input of the outdoor power supply, so that the fault is prevented from expanding, and the solar panel is restarted after the fault is removed.
3. The outdoor power solar panel with wide voltage input of claim 2, wherein the step of acquiring a first real-time operating voltage and a first real-time operating current of the solar panel and calculating a first present output power thereof, the control processor is configured to:
calculating the first current output power by the following formula:
；
；
wherein,the unit is W for the first current output power; />For the first real-time operating voltage, in volts;for said first real-time operating current, +.>A unit ampere is a short-circuit current of the solar panel; />A saturation current per ampere for the solar panel; />An open circuit voltage in volts for the solar panel; />The thermoelectric voltage of the solar panel is typically 0.026 volts per unit volt; />And taking a value range of 1-2 as an ideal coefficient of the solar panel.
4. An outdoor power solar panel control method with a wide voltage input, which is characterized by being applied to an outdoor power solar panel with a wide voltage input, wherein the outdoor power solar panel with the wide voltage input comprises a control processor, an acquisition module, a solar cell, glass, a backboard, a frame and a connector, and the outdoor power solar panel control method with the wide voltage input comprises the following steps:
The acquisition module acquires first point cloud data of a first expected place and establishes a geographic three-dimensional model of the first expected place according to the first point cloud data;
the acquisition module acquires second point cloud data of the solar panel and establishes a first three-dimensional model of the solar panel according to the second point cloud data;
the control processor generates a plurality of installation schemes of the solar panel according to the geographic three-dimensional model and the first three-dimensional model;
the control processor selects a first installation scheme from the plurality of installation schemes to install the solar panel;
in the working process of the solar panel, the acquisition module acquires first environmental data of the current environment, first working data of the solar panel and second working data of an outdoor power supply;
the control processor controls the solar panel according to the first environmental data, the first working data and the second working data;
the step of the control processor generating a plurality of installation schemes of the solar panel according to the geographic three-dimensional model and the first three-dimensional model comprises the following steps:
analyzing topography and topography according to the geographic three-dimensional model, and determining a plurality of potential first setting points;
Generating a first three-dimensional bracket model at the plurality of first setting points, and importing the first three-dimensional model of the solar panel for matching layout to form a plurality of alternative installation schemes;
carrying out solar analysis on the plurality of alternative installation schemes to determine a plurality of preliminary installation schemes with generated energy meeting the load requirement of the outdoor power supply;
performing environmental impact analysis on the plurality of preliminary installation schemes, and selecting point positions and layouts which accord with first preset impact data to obtain a plurality of basic installation schemes;
modifying the plurality of basic installation schemes according to a first preset safety requirement and a first preset movement requirement to form a plurality of final installation schemes;
the control processor selects a first mounting scheme from the plurality of mounting schemes to mount the solar panel, including:
determining a corresponding first installation position according to the geographic three-dimensional model, the first three-dimensional model and the first installation scheme;
when the actual place corresponding to the first expected place is reached, acquiring current position information;
marking an actual installation point position corresponding to the first installation position according to the first installation position and the current position information;
According to the actual installation point position, installing a first installation bracket of the solar panel;
generating a first virtual three-dimensional model in an installation completion state according to the geographic three-dimensional model, the first three-dimensional model and the first installation scheme;
projecting the first virtual three-dimensional model to a space where the first installation position is located, and adjusting the first virtual three-dimensional model to a state that the corresponding geographic three-dimensional model part in the first virtual three-dimensional model is matched with an actual geographic form to obtain a first virtual projection state;
and adjusting the solar panel according to the first virtual projection state to finish installation.
5. The method of claim 4, wherein the step of the control processor controlling the solar panel based on the first environmental data, the first operational data, and the second operational data comprises:
acquiring first environment illumination intensity and first temperature data from the first environment data, and judging whether a first preset starting condition for starting the solar panel is reached or not;
acquiring a first real-time working voltage and a first real-time working current of the solar panel, and calculating a first current output power of the solar panel;
Acquiring first real-time input voltage data of the outdoor power supply and comparing the first real-time input voltage data with a normal working voltage range of the outdoor power supply;
if the input voltage is lower than the lower limit of the range, a control signal for increasing the output power of the solar panel is sent out so as to increase the input voltage of the solar panel;
if the input voltage is higher than the upper limit of the range, a control signal for reducing the output power of the solar panel is sent out so as to reduce the input voltage of the solar panel, so that the input voltage is controlled in a normal working range;
according to the first work load change data of the outdoor power supply, correspondingly sending out a control signal to adjust the output power of the solar panel so as to meet different load demands, improving the output when the load is increased, and reducing the output when the load is reduced;
if the outdoor power supply enters a certain fault state, a control signal for closing the solar panel is timely sent out to isolate the input of the outdoor power supply, so that the fault is prevented from expanding, and the solar panel is restarted after the fault is removed.
6. The method of claim 5, wherein the step of obtaining a first real-time operating voltage and a first real-time operating current of the solar panel and calculating a first present output power thereof comprises:
Calculating the first current output power by the following formula:
；
；
wherein,the unit is W for the first current output power; />For the first real-time operating voltage, in volts;for said first real-time operating current, +.>A unit ampere is a short-circuit current of the solar panel; />A saturation current per ampere for the solar panel; />An open circuit voltage in volts for the solar panel; />The thermoelectric voltage of the solar panel is typically 0.026 volts per unit volt; />And taking a value range of 1-2 as an ideal coefficient of the solar panel.
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