CN213799293U

CN213799293U - Electric automobile charging system by solar power generation

Info

Publication number: CN213799293U
Application number: CN202021419575.4U
Authority: CN
Inventors: 林浩生
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-19
Filing date: 2020-07-19
Publication date: 2021-07-27
Anticipated expiration: 2030-07-19

Abstract

The utility model provides a lean on solar energy power generation's electric automobile charging system, including fixed solar panel, movable solar panel, solar panel state control device, the intelligent voltage conversion and the control module that are fixed in the roof, solar panel state control device is connected with intelligent voltage conversion and control module to control movable solar panel's the extension shrink state, the solar panel that is fixed in the roof is parallelly connected with movable solar panel's output voltage, and back and intelligent voltage conversion and control module are connected, intelligent voltage conversion and control module control solar panel produce maximum conversion rate and maximum charging power under the different illumination intensity of different time quantums to the realization is with the electric automobile butt joint, and control charging. The utility model discloses extension solar panel power generation area, real time control produces maximum conversion rate and maximum power to the realization is with the vehicle butt joint in using, lets the charge volume reach practical level, keeps pleasing to the eye, security, satisfies and promotes the popularization demand.

Description

Electric automobile charging system by solar power generation

Technical Field

The utility model belongs to the technical field of electric automobile or hybrid electric automobile's the charging, more specifically say, relate to a charging system and control method who leans on solar energy power generation and high-efficient practical ground supplementary charging for electric automobile.

Background

With the enhancement of social environmental awareness and some obvious advantages of electric automobiles, the number of electric automobiles used is rapidly increased, but the problem of charging electric automobiles still has great trouble, on one hand: the number of the charging stations is small, and the charging stations are not arranged by the roadside; on the other hand: the charging waiting time to the charging station is long each time; secondly, the current is large during charging, the load is large, the load impact on the national power grid caused by one charging station is also large, and meanwhile, the damage to the power battery is large. The charging of the electric automobile is relatively troublesome, many charging problems can not be completely solved, especially, charging piles cannot be installed on parking spaces of many families, the charging current is large, the load is large, the number of charging stations in some places is less, the electric automobile needs to be plugged and charged frequently, the use is relatively troublesome, the convenience of consumers and vehicles is always puzzled, and the popularization of the electric automobile is restricted;

in addition, in the existing solar charging system design, there are many defects, such as small power generation area, or lack of control, low conversion rate, small power generation amount, or unable to be docked with the electric automobile, unable to charge the battery of the electric automobile, lack of practicality, unable to obtain practical application and popularization in the actual life consumption, specifically as follows:

1. in most solar charging systems, a solar panel is limited by the area of a vehicle body, the total power generation area of the solar panel is small, and the generated energy is relatively small on the theoretical basis; in addition, in some related schemes for increasing the solar panel, a state control device of the solar panel which can be practically applied is lacked, the extended solar panel influences the attractiveness of a vehicle or influences the normal running of the vehicle, and the feasibility of actual manufacturing or additional installation is lacked; particularly for the electric automobile with small roof area, the power generation area of the solar panel is smaller on the basis, the problem that the electric power which can be generated by the solar panel is limited, and the power generation and the charging amount by utilizing the solar energy are smaller on the basis;

2. in other parts of solar system designs, even if the area of the solar panel is increased, the solar panel does not have the power generation characteristics aiming at the solar panel, the voltage conversion and the maximum power calculation control are lacked, the solar panel cannot be effectively controlled to be in the maximum power generation state, so that the conversion efficiency and the power generation amount are seriously reduced, the power generation power is greatly reduced, the power generation effect is weak, and the problem is serious, so that the charging amount cannot meet the key defect of the actual application requirement;

3. under the condition that the power battery cannot be directly charged by the electricity generated by the solar panel or the converted voltage, in the conventional solar charging scheme, the connection communication butt joint and control functions are lacked, the butt joint charging of a vehicle in reality cannot be realized, the practical problem of solar charging cannot be solved, and the solar charging cannot be applied to actual charging;

4. in addition, the charging requirement and the safety level of the electric automobile are very high, and in the application of a battery with extremely high safety of an external electric automobile, in the conventional solar charging scheme, an independent voltage detection and monitoring process is lacked, so that the battery is easily damaged by overcharging or the safety problem of the battery is caused;

the problem of synthesizing the defects becomes a bottleneck of applying solar power generation charging to actual electric vehicle charging auxiliary charging, so that the solar auxiliary charging cannot be popularized and popularized, the defects are comprehensively solved, and the problem of urgently needing to be comprehensively solved is urgently needed to be rectified and integrated.

Disclosure of Invention

The utility model aims at overcoming the defects and solving the technical problems, solves and integrates the existing problems by complete and practical design, increases the movable solar panel above the roof, increases a control device and increases an intelligent voltage conversion and control module, so that the charging system of the utility model not only can flexibly increase the power generation area and keep the beauty of the vehicle and the shape during driving, thereby ensuring that the vehicle can be manufactured or additionally installed with feasibility, but also can control the generation of the maximum conversion rate and the generated energy in real time, so that the generated energy is close to the daily power consumption of the electric vehicle, the practical level of the charging amount is reached, and the charging times of the vehicle owner are reduced; a charging controller is added, so that in practical application life, charging can be in butt joint with a practical common vehicle, and solar charging is safer; the vehicle body is not exposed under the sun, so that the temperature of the vehicle body in hot days is greatly reduced; can automatic recovery fold solar panel in the driving process, resume the original shape of automobile body, do not influence the automobile body beautifully and normally travel, let a whole set of charging system, reach actual daily practical level, establish the basis for popularizing and promoting to save high-power charging, effectively avoid causing huge burden for the electric wire netting, make things convenient for charging of electric motor car, be favorable to carrying out green and charge.

In order to solve the problems existing in the technical background, the invention of the system is realized, and the technical scheme of the utility model is as follows:

the utility model provides a lean on solar energy power generation's electric automobile charging system, its is including fixed solar panel, activity solar panel, solar panel state control device, intelligent voltage conversion and control module, fixed solar panel fixed mounting is on the roof, activity solar panel installs the both sides at fixed solar panel, solar panel state control device is connected with intelligent voltage conversion and control module for receive on-vehicle signal, intelligent voltage conversion and control module's signal, and control activity solar panel shrink or extend the state, solar panel connects in parallel with solar panel's output voltage, and parallelly connected gained output voltage is connected with intelligent voltage conversion and control module, intelligent voltage conversion and control module's voltage output end and electric automobile's the mouth that charges are connected or are connected with electric automobile power battery, intelligent voltage conversion and control module are used for controlling under the different illumination intensity of different time quantum solar panel all to produce the biggest conversion The rate and the maximum charging power are connected with the electric automobile in a butt joint mode, the charging is controlled, and the charging process is monitored

The intelligent voltage conversion and control module comprises an MCU intelligent calculation controller, a current inductor, a voltage value detection circuit, a voltage converter and a charging controller, wherein the current inductor and the voltage value detection circuit respectively detect charging current and charging voltage and are connected with the MCU intelligent calculation controller, the MCU intelligent calculation controller is connected with the voltage converter, the output of the voltage converter is linked with the charging controller, the MCU intelligent calculation controller sets a certain time period under the same illumination intensity, controls the voltage converter to convert to generate different voltages, calculates and memorizes different charging powers and parameters according to returned voltage and current, selects the parameter corresponding to the maximum power to control the output voltage of the voltage converter, and charges the electric automobile through the charging controller.

The voltage converter is a DC/DC voltage converter or a DC/AC voltage converter, is controlled by the MCU intelligent calculation controller and can output continuously regulated voltage.

The charging controller is a charging controller with handshake communication and control functions according to the interface standard of an original vehicle charging socket, the input end of the charging controller is connected with the output end of a voltage converter, and the output end of the charging controller is connected with an original direct current charging port 51 of the electric vehicle, or connected with the anode and the cathode of a power battery 53, or connected with an alternating current charging port 54 of the electric vehicle, so as to charge the electric vehicle; the charging controller is further connected with the MCU intelligent computing controller, and the MCU intelligent computing controller controls the charging controller to start or stop charging.

The solar panel state control device comprises a driving structure for driving the movable solar panel to stretch and translate, a driving control module and a low-voltage 12v storage battery, the driving structure is connected with the driving control module, and the bottom of the solar panel is fixedly installed on the driving structure. And the 12v storage battery is respectively connected with the driving control module and the intelligent voltage conversion and control module and provides power required by work.

The driving control module comprises a vehicle-mounted signal input unit, an MCU (microprogrammed control unit) controller and a motor controller, the MCU controller is connected with the vehicle-mounted signal input unit and used for receiving a signal instruction related to charging of a vehicle, the MCU controller is connected with the MCU intelligent computing controller and used for receiving charging state information, and the motor controller is respectively connected with the MCU controller and the driving structure.

Drive structure 31 includes motor, wire casing guide rail, the driving rack of taking the gear, the driving rack is fixed in 2 below of activity solar panel, driving motor fixes at fixed solar panel's both ends, and through gear and driving rack meshing, rotates by the motor and drives activity solar panel 2 and realize the translation along the wire casing guide rail.

Mobilizable solar panel 2 divide into two parts around, every part is individual layer or multilayer solar panel and constitutes, is single-layer structure or be multilayer stack structure, fixed solar panel and activity solar panel's voltage output end respectively have concatenated the diode, prevent the electric current refluence.

Solar panel state control device can further increase telescopic branch, telescopic branch's one end is fixed on the roof, and the other end is articulated with fixed solar panel's bottom, telescopic branch is 3, is connected with motor controller respectively, and motor controller is flexible through control branch, changes solar panel's fulcrum height, changes solar panel's plane angle, makes solar panel be close perpendicular to sunlight.

Compared with the prior art, the utility model has the advantages that:

the extensible movable solar panel is added on the basis of the fixed solar panel, when a non-use vehicle and conditions are met, the solar panel state control device is added, the solar panel generating area is increased on the basis of limited vehicle body area by expanding the area of the solar panel, and when the non-use vehicle and the conditions are met, the movable solar panel is stored and stored through the solar panel state control device, so that the solar panels are overlapped, the total area is reduced, the original attractive appearance and the appearance shape of the vehicle body can be approximately kept, and the rapid running of the vehicle is not influenced;

on the other hand, aiming at the characteristic that the solar panel has the maximum conversion rate, the maximum power parameter can be calculated by adding the intelligent voltage conversion and control module and calculating through the MCU under the selection control of different illumination intensities, so that the solar panel outputs the maximum power to obtain the maximum conversion rate and the total power generation amount, and the converted maximum power generation power can charge the electric automobile in real time through the charging controller;

the charging controller with the handshake signal communication protocol function in the intelligent voltage conversion and control module is used for butting and charging the electric energy to a charging circuit of the electric automobile in reality, meanwhile, the intelligent voltage conversion and control module monitors the charging voltage in real time, and under the condition that the power generation voltage of the solar panel is greatly changed and the voltage of the electric automobile is greatly changed, the charging safety is ensured;

by combining the effects, the solar charging system of the utility model enlarges the total power generation area of the solar panel, improves the total power generation amount on the basis, further controls the real-time output of the maximum conversion rate and the maximum charging power, realizes the butt joint and charging of the electric automobile, approximately keeps the appearance and shape of the automobile during running, and does not influence the normal running; the utility model discloses solved 4 shortcomings in the background art simultaneously, let solar charging reach daily practical requirement and the practical level of charging to the solar panel that expands can block solar ray, effectively cools down for the automobile body, prevents that the heat transfer from giving the automobile body.

Drawings

Fig. 1 is a schematic structural diagram of a first embodiment of the present invention.

Fig. 2 is a topological schematic diagram of the first embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a second embodiment of the present invention.

Fig. 4 is a schematic topological diagram of a second embodiment of the present invention.

Fig. 5 is a schematic structural diagram of a third embodiment of the present invention.

Fig. 6 is a schematic topological diagram of a third embodiment of the present invention.

Fig. 7 and 8 are enlarged views of a portion a of fig. 1, 3, and 5 according to the present invention.

Fig. 9 is a schematic view of the installation structure of the middle telescopic strut and the fixed solar panel of the present invention.

Fig. 10 is an enlarged and schematic internal structure view of the middle telescopic strut of the present invention.

Fig. 11,12 and 13 are schematic diagrams of three configurations of the charging controller engaging with the charging port of the electric vehicle, respectively.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer and clearer, the present invention will be further described with reference to the accompanying drawings and examples.

As shown in fig. 1,2, 7, 9,10 and 11, the electric vehicle charging system with solar power generation according to the first embodiment of the present invention comprises a fixed solar panel 1 fixed on the roof, a retractable movable solar panel 2, a solar panel status control device 3, and an intelligent voltage conversion and control module 4. The solar energy conversion and control system comprises a fixed solar panel 1, a movable solar panel 2, an intelligent voltage conversion and control module 4, a solar panel state control device 3, a voltage converter 44 and a solar panel state control device, wherein the fixed solar panel 1 is fixedly arranged on the roof of a vehicle, the movable solar panel 2 is arranged on two sides of the fixed solar panel, the solar panel state control device 3 is connected with the intelligent voltage conversion and control module 4 and is used for receiving vehicle-mounted signals and signals of the intelligent voltage conversion and control module 4 and controlling the contraction or extension state of the movable solar panel 2, the solar panel 1 is connected with the output voltage of the solar panel 2 in parallel, the output voltage obtained by parallel connection is connected with the voltage converter 44 in the intelligent voltage conversion and control module 4, and the voltage output end b of the intelligent voltage conversion and control module 4 is connected with a direct current charging port of an electric vehicle; the intelligent voltage conversion and control module 4 is used for setting the voltage for converting the output voltage of the solar panel into the voltage for charging the power battery under different illumination intensities in different time periods, controlling the solar panel to generate the maximum conversion rate and the maximum charging power in real time, butting with the electric automobile, controlling the charging and monitoring the charging process.

By adopting the structure, the solar energy plate state control device 3 controls the state of the movable solar energy plate 2, can be used for expanding the total illumination area of the solar panel, when the electric automobile is in a non-driving state, the intelligent voltage conversion and control module 4 calculates the maximum power generation power according to the timing, thereby intelligently judging the illumination intensity information, simultaneously sending comprehensive state information to the MCU controller of the solar panel state control device by combining the detected power battery voltage, after the MCU controller receives the information, the vehicle state information transmitted by the vehicle information input unit is combined to comprehensively judge whether the movable solar panel is stretched or not, if the movable solar panel is illuminated, when the vehicle is in a non-driving state and the battery is not fully charged, the movable solar panel is controlled to extend towards the front side and the rear side of the vehicle, the illumination area is enlarged, the power generation area is enlarged on the basis, and necessary basic conditions are provided for the charging to reach the practical level; and when the solar panel is in a driving state, the solar panel is retracted. In addition, on the basis of increasing the power generation area of the solar panel, the conversion rate and the output power of the solar panel are greatly changed by the load influence under the same illumination condition in a certain time period and are not fixed, according to the characteristic, the utility model discloses increase and contain intelligent voltage conversion and control module, control the solar panel to produce the maximum conversion rate and the maximum charging power in real time under various illumination intensity in each set time period, let the solar panel after each time period arouses control increase area send the maximized electric energy, let the charging further reach the practical level; meanwhile, the utility model realizes the butt joint with the electric automobile to charge the power battery 53 through the charging controller contained in the intelligent voltage conversion and control module 4, so that the generated energy and the charging amount are close to the power consumption of the daily automobile; in actual production, solar panel control device intelligent voltage conversion and control module install in fixed solar panel's bottom, or vehicle bonnet below.

The utility model discloses can enlarge solar panel illumination area, control solar panel is in maximum conversion rate and maximum generated power state to realize effectively linking up with electric automobile, realize that maximum charging power charges for power battery, let the charge volume be close daily power consumption, reach practical level, collapsible solar panel when using the car, to a great extent keeps the original shape of vehicle, keeps pleasing to the eye.

The following describes each component of the present invention in detail with reference to the first embodiment and the corresponding diagram, specifically as follows:

as shown in fig. 1 and 2, in the embodiment of the electric vehicle charging system using solar power generation, the solar panel state control device 3 includes a driving structure 31 for driving the movable solar panel to move in a telescopic manner, a driving control module 30, and a 12v storage battery 32, the driving structure 31 is connected to the driving control module 30, and the driving structure 31 is mounted on the bottom of the fixed solar panel. The 12v storage battery 32 is respectively connected with the driving control module 30 and the intelligent voltage conversion and control module 4 and provides power required by work;

after the structure is adopted, the solar panel state control device 3 controls the driving structure 31 through the internal driving control module 30, so that the movable solar panel 2 is driven by the driving structure to translate and extend, and the illumination area of the solar panel is expanded; in the driving process, the movable solar panel 2 is retracted by driving and is hidden below the fixed solar panel 1, so that the sightseeing shape and the attractiveness of the vehicle are kept, and the normal use of the vehicle is not influenced.

As shown in fig. 1, the electric automobile charging system by solar power generation, wherein, drive structure 31 includes motor 311, wire casing guide rail 313, the transmission rack 312 of band gear, two parts about activity solar panel 2 divide into, as the enlargements shown in fig. 7, activity solar panel is single-deck activity solar panel, the wire casing guide rail is installed on fixed solar panel's both sides, transmission rack 312 is fixed in the activity solar panel 2 below of next floor, motor 311 installs at fixed solar panel 1's both ends, and meshes through gear 316 and transmission rack 312, rotates by the motor and drives activity solar panel 2 and realize the translation along wire casing guide rail 313, and the drive is controlled two parts activity solar panel and is expanded or shrink around the vehicle of each direction.

After the structure of the oil adding device is adopted, the utility model discloses a driving motor can the rolling gear to drive transmission rack 312, thereby it is flexible to realize that drive structure 31 drives the translation of activity solar panel 2, realizes the flexible state of drive control module 30 control activity solar panel 2.

In the actual production process, movable solar panel constitutes for individual layer or multilayer movable solar panel, like the enlargements shown in fig. 8, control movable solar panel and can expand to constitute for multilayer movable solar panel, adopt multilayer stack structure, the wire casing guide rail is installed on each solar panel's both sides, and lower one deck solar panel wire casing guide rail imbeds in upper solar panel's wire casing guide rail the inside, and the movable solar panel's in the outside one end is fixed on the movable solar panel who leans on the inside one the motor is fixed at the both ends of each wire casing guide rail, when the motor rotates, drives the transmission rack through the gear to the movable solar panel translation of one deck under the drive.

As shown in the figure 2, the electric vehicle charging system using solar power generation is described, wherein the driving control module 30 includes a vehicle-mounted signal input unit 302, an MCU controller 301 and a motor controller 303, the MCU controller 301 is connected to the vehicle-mounted signal input unit 302 for receiving a signal command related to charging of a vehicle, the MCU controller 301 is connected to the MCU intelligent computing controller 41 for receiving charging status information, and the motor controller 303 is connected to the MCU controller 301 and the driving structure 31 respectively; the MCU controller 301 receives the state information and the artificial control information of the vehicle through the vehicle-mounted signal input unit 302, comprehensively and intelligently judges whether the movable solar panel is extended or not by combining the information containing the charging state transmitted by the MCU intelligent calculation controller 41 according to the vehicle state, the artificial instruction, the illumination intensity and the battery voltage state, when the condition is met and the area of the solar panel needs to be extended, the MCU controller 301 controls the motor controller 303 to control the motor in the driving structure to rotate, so that the movable solar panel 2 is driven to translate and extend forwards and backwards of the vehicle, and the illumination area is enlarged; when the vehicle is to be used, or the movable solar panel is manually required to be folded, or the external environment illumination condition is poor, the movable solar panel 2 is automatically retracted and hidden below the fixed solar panel 1, and at the moment, the fixed solar panel 1 can still receive illumination to generate power to continuously charge the power battery in the driving process. In practical use, a control mode or instruction information can be forcibly given manually through a switch or remote control, and is transmitted to the MCU controller 301 through the vehicle-mounted signal input unit, so that the state of the solar panel is forcibly controlled on a specific occasion or before a vehicle is used; in practical application, the vehicle-mounted signal input unit can comprise a wireless transceiving module for receiving a remote control signal or a mobile phone monitoring signal and transmitting charging information to the remote control terminal.

In actual production, the 12v storage battery can share the low-voltage 12v storage battery of the original vehicle, or an independent 12v maintenance-free lead-acid battery can be adopted, the battery is placed below the roof of the vehicle capable of generating electricity, and the intelligent voltage conversion and control module 4 increases and outputs 14v voltage through the internal voltage converter 44 to charge the 12v storage battery 32 while charging the power battery; or in the actual production, the switching power supply can be used for getting the voltage of the positive and negative poles of the power battery, reducing the high voltage to 12v power supply, supplying power to the driving control module 30, supplying power to the intelligent voltage conversion and control module and providing the required working power supply.

In practical production application, the voltage output end of each solar panel is connected with a diode in series to prevent current backflow. The MCU controller 31 of the solar panel state control device 3 intelligently controls the state of the movable solar panel according to the signal requirements of the vehicle-mounted signal input unit and according to a plurality of factors or instruction requirements such as light intensity weak signals transmitted by the intelligent voltage conversion and control module, whether the power battery is fully charged and the like. In actual use, the expansion or non-expansion of the solar panels can be manually controlled by giving an instruction requirement to the vehicle-mounted signal input unit, and the expansion of the movable solar panels on two sides can be selectively controlled or only one side of the solar panel can be selectively expanded.

How the solar panel state control device flexibly and effectively expands the area of the solar panel on the limited area of the vehicle body is explained in the above specific embodiment, so that the power generation area is increased on the basis, and on the other hand: according to solar panel's characteristic, to the solar panel that has enlarged total area, under the same illumination intensity of same area, the power of its output also can receive the load and change by a wide margin to output fixed power, so, through intelligent control voltage conversion, through intelligent calculation, look for out the maximum power point, control is real-time according to maximum power output, and increase corresponding charge controller, let with the butt joint of electric automobile's own charge control circuit, realize safe charging, become two other important factors that charge and reach practical level, the concrete implementation mode is as follows:

as shown in the figure 2, the charging system for the electric vehicle by solar power generation is described, wherein the intelligent voltage conversion and control module 4 comprises an MCU intelligent calculation controller 41, a current inductor 42, a voltage value detection circuit 43, a voltage converter 44 and a charging controller 45, the current inductor 42 and the voltage value detection circuit 43 respectively detect charging current and charging voltage and are connected to the MCU intelligent calculation controller 41, the MCU intelligent calculation controller 41 is connected to the voltage converter 44, and the output of the voltage converter 44 is connected to the charging controller 45; the MCU intelligent calculation control device 41 sets a certain time period and the same illumination intensity, controls the voltage converter 44 to convert to generate different voltages, detects different charging currents and charging voltages through the current sensor and the voltage detection circuit, calculates and memorizes different charging powers, and calculates the formula: and the power P = U × I, the voltage conversion parameter corresponding to the maximum power is selected to control the voltage transformer to output the charging voltage, the charging controller 45 is used for charging the automobile power battery 53, and the maximum conversion rate and the maximum charging power are obtained under the same illumination intensity in each time period in real time.

By adopting the structure, the intelligent voltage conversion and control module 4 can calculate the strongest generated power within a certain time period at regular time, so as to judge the illumination intensity and send an illumination intensity signal to the solar panel state control device 3, on the other hand, the voltage converter 44 in the intelligent voltage conversion and control module controls the voltage converter 44 to convert and output the voltage corresponding to the maximum charging power by searching and selecting the parameter corresponding to the maximum power through calculating and memorizing the actual charging power obtained by different parameters, so as to excite and control the solar panel to be in the maximum generated power output state.

In the figure 2, the charging system for the electric vehicle by solar power generation is shown, wherein the voltage converter 44 is a DC/DC voltage converter 440, which is a voltage converter controlled by the MCU 41 and capable of outputting continuously regulated voltage; the charging controller 45 is a charging controller which comprises a communication handshake and a control function according to an interface standard of an original vehicle direct current charging socket, the charging controller 45 is connected with a voltage converter 44, an output end b of the charging controller 45 is used as a voltage output end b of the intelligent voltage conversion and control module 4, and the output end b is connected with an original direct current charging socket 51 of the electric vehicle to charge the electric vehicle as shown in the structure shown in fig. 2. The utility model discloses in, the first embodiment principle structure that shows, voltage converter inside adopt controllable adjustable DC/DC voltage converter 440, the voltage that voltage converter 440 outputs gets into charge controller 45, charge controller 45 contains communication and the control function of shaking hands according to former car direct current interface standard that charges, charge controller 45's output b and electric automobile's direct current mouth 51 that charges link up, the linking mode is: preferably, as shown in fig. 11, the tail end of the output end b adopts a plug, and is inserted into a charging port of a vehicle body, or alternatively, as shown in fig. 12, the output end b adopts a line connection mode with the rear end of the charging socket; in practical production applications, or as further shown in fig. 13, at the initial stage of vehicle design, the sub-charging inlet built in the in-vehicle charging control circuit is derived from the charging inlet, and the output end b is connected to the sub-charging inlet, so as to be connected to the in-vehicle dc charging control circuit module 52, and integrated; in the above manner, the output voltage of the charge controller 45 can charge the power battery of the electric vehicle through the in-vehicle charge control circuit.

The charging controller 45 is also connected with the MCU 41, and is controlled by mutual communication, and simultaneously has a function of preventing voltage overshoot; in specific production application, if the charging controller 45 is connected with the internal circuit at the rear end of the charging port, the charging controller 45 sends notification information to the MCU intelligent computing controller 41 when detecting artificial charging or when detecting artificial uncovering of the protective cover of the charging port, the MCU intelligent computing controller 41 sends an instruction to control the voltage converter 44 to stop inverting the voltage, and control the charging controller 45 to release the connection with the circuit of the charging port, so as to prevent charging conflict; when fully charged, the charging controller 45 will notify the MCU of the smart computing controller 41 to stop the solar power generation and charging. When the manual external charging is quitted and the conditions are met, the connection with an internal circuit at the rear end of the charging port is restored, and the solar charging mode is restored;

the solar panel 1 fixed on the roof and the movable solar panel 2 preferably combine voltages obtained by power generation in parallel, the obtained output voltage is connected and input to the voltage converter 44 of the intelligent voltage conversion and control module 4, the output voltage of the voltage converter 44 passes through the charging controller, and the voltage output end of the charging controller is used as the voltage output end b of the intelligent voltage conversion and control module 4 to charge the power battery 53 of the electric vehicle, as shown in fig. 9 and 10, the solar panel state control device 3 can further add a telescopic strut 315, one end of the telescopic strut 315 is fixed on the roof, and the other end of the telescopic strut 315 is hinged to the bottom of the fixed solar panel 1. The number of the telescopic supporting rods 315 is 3, the telescopic supporting rods and the fixed solar panel fixed supporting points form a triangular structure, a supporting rod motor 120 and a screw rod 121 are arranged in the telescopic supporting rods 315, one end of the screw rod 121 is connected with the supporting rod motor 120, and the other end of the screw rod 121 is hinged with the bottom of the fixed solar panel 1; the support rod motor 120 is driven by a motor controller, and the fixed solar panel 1 is installed on the roof through a telescopic support rod 315. After the structure is adopted, the solar panel state control device controls the extension and retraction of the supporting rods through the motor controller, adjusts the heights of the three supporting rods, adjusts the three supporting points to change the plane angle of the solar panel, simultaneously calculates different powers in real time through the intelligent voltage conversion and control module, and stops changing the angle when the solar panel obtains the maximum power; in different time periods, according to the method, the surface of the solar panel is close to the direction perpendicular to the sunlight, and under different light angle directions, a larger and more effective illumination receiving area is obtained.

The above respective structures are described as the first embodiment. In the second embodiment of the present invention, as shown in the structure diagram of fig. 3 and the principle topology diagram of fig. 4, the voltage output terminal of the intelligent voltage conversion and control module 4 is connected to the positive electrode and the negative electrode of the power battery of the electric vehicle, unlike the first embodiment; in practical production application, the principle structure of the embodiment shown in fig. 4 is adopted, the charging controller 45 has a switch control function, the voltage output of the voltage converter 440 enters the charging controller 45, and the positive and negative poles of the output end b of the charging controller 45 are directly connected with the positive and negative poles of the power battery; the utility model discloses in the third embodiment, like fig. 5,6, be different from first embodiment in the voltage output end of intelligence voltage conversion and control module 4 is connected with electric automobile's the mouth that charges that exchanges, in the actual production is used, adopts as the principle structure of the embodiment shown in fig. 6, voltage converter inside adopt DC/AC voltage converter 441, output voltage gets into charge controller 45, charge controller 45 contains communication and the control function of shaking hands according to former car alternating current charging interface standard, charge controller output b and electric automobile's the mouth 54 that charges that exchanges is the alternating current and fills the mouth linking slowly, the linking mode is: the structure shown in fig. 11 and 12 is also adopted, or further, as shown in fig. 13, the output end b is connected to the vehicle ac charging control circuit module 55, and is integrated into a whole; the charging controller and the connection mode are specifically customized and matched with the handshake control circuit according to protocol standards of different electric automobile manufacturers.

In the actual production and the application, electric automobile in the utility model discloses electric automobile include pure electric automobile, also include the hybrid vehicle that the oil-electricity mixes.

The above is only a preferred embodiment of the present invention, and it should be noted that, for a person skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a lean on solar energy power generation's electric automobile charging system which characterized in that: the solar energy conversion and control system comprises a fixed solar panel (1), a movable solar panel (2), a solar panel state control device (3) and an intelligent voltage conversion and control module (4), wherein the fixed solar panel (1) is fixedly arranged on the roof of a vehicle, the movable solar panel (2) is arranged on two sides of the fixed solar panel (1), the solar panel state control device (3) is connected with the intelligent voltage conversion and control module (4) and used for receiving vehicle-mounted signals and signals of the intelligent voltage conversion and control module (4) and controlling the contraction or extension state of the movable solar panel (2), the fixed solar panel (1) is connected with the output voltage of the movable solar panel (2) in parallel, the output voltage obtained in parallel is connected with the intelligent voltage conversion and control module (4), the voltage output end of the intelligent voltage conversion and control module (4) is connected with the charging port of an electric vehicle or is connected with a power battery of the electric vehicle, the intelligent voltage conversion and control module (4) is used for controlling the solar panel to generate the maximum conversion rate and the maximum charging power under different time periods and different illumination intensities, is butted with the electric automobile, controls charging and monitors the charging process.

2. The solar power generation electric vehicle charging system according to claim 1, characterized in that: the intelligent voltage conversion and control module (4) comprises an MCU intelligent calculation controller (41), a current inductor (42), a voltage value detection circuit (43), a voltage converter (44) and a charging controller (45), wherein the current inductor (42) and the voltage value detection circuit (43) respectively detect charging current and charging voltage and are connected with the MCU intelligent calculation controller (41), the MCU intelligent calculation controller (41) is connected with the voltage converter (44), the output of the voltage converter (44) is connected with the charging controller (45), the MCU intelligent calculation controller (41) controls the voltage converter (44) to convert to generate different voltages under the same illumination intensity in the same time period, calculates and memorizes different charging powers and parameters according to the returned voltage and current, and selects the parameter corresponding to the maximum power to control the output voltage of the voltage converter (44), and the electric automobile is charged through a charging controller (45).

3. The solar power generation electric vehicle charging system according to claim 2, characterized in that: the voltage converter (44) is a controllable DC/DC voltage converter (440) or a DC/AC voltage converter (441), is controlled by the MCU intelligent calculation controller (41) and can output continuous adjustable voltage.

4. The solar power generation electric vehicle charging system according to claim 2, characterized in that: the charging controller (45) is a charging controller (45) with handshake communication and control functions according to the interface standard of an original vehicle charging socket, the input end of the charging controller (45) is connected with the output end of a voltage converter (44), and the output end of the charging controller (45) is connected with an original direct current charging port (51) of the electric vehicle, or is connected with the positive electrode and the negative electrode of a power battery (53), or is connected with an alternating current charging port (54) of the electric vehicle to charge the electric vehicle; the charging controller (45) is further connected with the MCU intelligent computing controller (41), and the MCU intelligent computing controller (41) controls the charging controller (45) to start or stop charging.

5. The solar power generation electric vehicle charging system according to claim 1, characterized in that: the solar panel state control device (3) comprises a driving structure (31) for driving the movable solar panel to stretch and translate, a driving control module (30) and a low-voltage 12v storage battery (32), the driving structure (31) is connected with the driving control module (30), the driving structure (31) is installed and fixed at the bottom of the solar panel (1), and 6. the 12v storage battery (32) is respectively connected with the driving control module (30) and the intelligent voltage conversion and control module (4) and provides a power supply required by work.

6. The solar power generation electric vehicle charging system according to claim 5, characterized in that: the driving control module (30) comprises a vehicle-mounted signal input unit (302), an MCU controller (301) and a motor controller (303), the MCU controller (301) is connected with the vehicle-mounted signal input unit (302) and used for receiving a signal instruction related to charging of a vehicle, the MCU controller (301) is connected with the MCU intelligent computing controller (41) and used for receiving charging state information, and the motor controller (303) is respectively connected with the MCU controller (301) and a driving structure (31).

7. The solar power generation electric vehicle charging system according to claim 5, characterized in that: drive structure (31) contain motor (311), wire casing guide rail (313), driving rack (312) of taking the gear, driving rack (312) are fixed in activity solar panel (2) below, driven motor (311) are installed at the both ends of fixed solar panel (1), and through gear and driving rack (312) meshing, rotate by the motor and drive activity solar panel (2) and realize the translation along wire casing guide rail (313).

8. The solar power generation electric vehicle charging system according to claim 1, characterized in that: mobilizable solar panel (2) divide into two parts around, every part is individual layer or multilayer solar panel and constitutes, for individual layer structure or be multilayer stack structure, the voltage output end of fixed solar panel (1) and activity solar panel (2) respectively has concatenated the diode, prevents the current refluence.

9. The solar power generation electric vehicle charging system according to claim 1, characterized in that: solar panel state control device (3) can further increase telescopic branch (315), the one end of telescopic branch (315) is fixed on the roof, and the other end is articulated with the bottom of fixed solar panel (1), telescopic branch is 3, is connected with motor controller (303) respectively, and motor controller (303) are flexible through control branch, and the fulcrum that changes solar panel is high low, changes solar panel's plane angle, makes solar panel be close perpendicular to sunray.