KR102081144B1 - Power generation and power supply improvement system of integrated solar cell street light - Google Patents

Abstract

The present invention relates to a technology for increasing power generation efficiency using sunlight and power supply efficiency for a streetlight by using a structure of a battery charging/discharging system and a solar cell module for an integrated streetlight of relatively low costs without construction of a complicated system. According to an embodiment of the present invention, a system for improving power generation and power supply of an integrated solar streetlight comprises: a power generation module including a solar cell module integrally formed with a case installed with a light emitting module of a streetlight to be relatively rotated, and a power generation unit for generating power using sunlight collected from the solar cell module; a battery module charged by receiving the power generated from the power generation module, and including at least two batteries discharged to supply the power to the light emitting module; a battery monitoring module for sensing a charging state of the batteries included in the battery module; a power distribution module for controlling the power generated by the power generation module to be supplied to any one of the batteries included in the battery module in accordance with the charging state of each of the batteries sensed by the battery monitoring module; and a power supply module for controlling power to be supplied to the light emitting module from any one of the batteries included in the battery module in accordance with the charging state of each of the batteries sensed by the battery monitoring module.

Description

Power generation and power supply improvement system of integrated solar street light {POWER GENERATION AND POWER SUPPLY IMPROVEMENT SYSTEM OF INTEGRATED SOLAR CELL STREET LIGHT}

The present invention improves the power generation efficiency of the solar panel in the street light coupled integrally with the solar panel which is automatically moved along the direction of the solar light, and increases the power supply efficiency for the street light to operate the street light for a longer time Specifically, it is not necessary to construct a complex system, and the power generation efficiency using solar light and the power supply efficiency for the street light are achieved by using a structure of a solar cell module and a battery charge / discharge system for a relatively low cost integrated street light. It is about a technique to increase.

Instead of the energy obtained from limited fossil fuels, one of the alternative types of energy that produces electricity from nature, solar power converts solar energy into electrical energy, which means that light has energy, and that photons can It is based on the photoelectric effect that when touched it can be converted into electrical energy.

In particular, streetlights, which are mainly installed in parks, highways, and other facilities, often use solar energy. The streetlights are usually powered by cables and electric poles. In addition, the cost of other facilities, including cables, increases, as well as the cost of maintenance and repairs as additional facilities are added. Therefore, there are many technologies to improve this through street lamps using solar energy.

On the other hand, in Korean Utility Model Registration No. 20-0297513, the solar array module is installed with a solar tracking device that moves in the east-west or north-south direction depending on the solar position, thereby concentrating efficient solar energy. A technology for providing a solar street light system that can be used as a light lamp during a daytime while charging with electric energy and a bright lamp during a dark night is provided.

However, in the case of the above-described prior art, by using a solar tracking device composed of a motor and a worm gear that are connected to the wire and move in the east-west direction, a street lamp is manufactured including not only a relatively expensive motor but also a wire connected to the motor. In this case, since the initial costs increase, the maintenance and repair costs may also increase, and as a result, it may be difficult to expect a great effect in cost reduction compared to the street lamps of the existing power facilities. There is this.

On the other hand, in the conventional technology including the above-described prior art, when a solar cell module is usually composed of m columns and n rows, the cells of 1 to n rows of each column are connected in series to form a solar cell row. Cell rows are also connected in series to form large generation voltages.

However, in this case, when there is insufficient illumination such as cloudy weather, sufficient current is not generated, and thus there is a problem that the chargeable time may not be sufficient according to the specification of a battery connected to the solar panel to charge power. As a result, since a sufficient current is not charged in the battery, the driving time of the street light connected to the battery is reduced, thereby reducing the practicality of the street light using photovoltaic power generation.

In addition, in the case of a battery, in most cases, the charging and discharging of the battery is controlled based on only the setting data of the generated power from the solar panel, the operating time of the street lamp, and the supplied power (applied voltage). Doing. However, in the case of the battery, when fully charged or discharged, the charging and discharging efficiency is greatly reduced, and it is pointed out that the charge and discharge of the battery is controlled in consideration of the amount of charge of the battery itself.

Accordingly, the present invention provides an integrated street light technology using solar power generation that can control the charge and discharge of the battery in consideration of the charge amount of the battery, the amount of power generated by the solar panel, the driving time of the street light and the power to be supplied, The purpose is to improve the power generation efficiency of the solar panel, and to increase the power supply efficiency for the street lamp to make the street lamp operate for a longer time.

Another object of the present invention is to provide a technique for achieving the above object at a relatively very simple and low cost, thereby greatly improving the economic efficiency of installation, maintenance and repair of a street lamp using a photovoltaic power generation system. .

In addition, the present invention is to present a new structure of the solar cell in the solar panel, while specializing in the streetlight, to increase the chargeable time of the battery, to provide a technique for greatly increasing the charge and discharge efficiency of the battery have.

In order to achieve the above object, the power generation and power supply improvement system of the integrated solar street light according to an embodiment of the present invention, the solar cell module and the solar cell integrally formed so as to be relatively rotatable with the case in which the light emitting module of the street light is installed. A power generation module including a power generation unit generating power by using the solar light collected from the module; A battery module charged with power generated from the power generation module and including at least two batteries which are discharged to supply power to the light emitting module; A battery monitoring module configured to sense a charging state of a battery included in the battery module; A power distribution module controlling to supply power generated from the power generation module to any one of the batteries included in the battery module according to the state of charge of each battery sensed by the battery monitoring module; And a power supply module for controlling to supply power to the light emitting module from any one of the batteries included in the battery module according to the state of charge of each battery sensed by the battery monitoring module.

In the power generation module, when a plurality of solar cells are configured by m columns xn rows, the cells of 1 to n rows are connected in series to form a solar cell row, and the cells from 1 column to m / 2 columns The rows are connected in parallel to each other, and the rows of cells from columns m.2 + 1 to m are connected in parallel to each other and divided into two cell groups, and the two cell groups are configured to be connected in series with each other. desirable.

The power distribution module dynamically controls the power supply to the battery such that the charging power of each battery measured by the battery monitoring module is in a range of a predetermined maximum to minimum ratio with respect to the power when the battery is fully charged, When the charging power of one battery is measured at the maximum ratio, the controller controls to supply power to the battery having the lowest charging power, and when a battery in which the charging power of the battery is less than the minimum ratio is detected, an error with the minimum ratio is determined. It is desirable to control to power the batteries in large order.

The power supply module controls to supply power to the light emitting module from the battery at a predetermined power value according to a predetermined street light driving time and an illuminance value for each street light driving time, wherein each battery measured by the battery monitoring module is charged. The power supply is dynamically controlled from the battery to the light emitting module so that the power is in a range of a predetermined maximum to minimum ratio with respect to the power when the battery is fully charged. If detected, control to supply power to the light emitting module from a battery other than one battery, and if it is detected that the charging power of all the batteries is less than the minimum ratio, the battery from the battery having the least error with the minimum ratio Control to power the light emitting module It is desirable to.

The power supply module includes a converter that converts a DC power source of a battery into an AC power source; And converting the frequency of the converted AC power so as to control the voltage applied to the light emitting module to maintain at least the minimum driving voltage of the light emitting module even if the power supplied to the light emitting module is reduced according to the charge amount of the battery. It is preferable to include a module.

A support fixed to an upper portion of the case; And a cleaning member connected to the support, the at least one side configured to form a close contact with the upper portion of the solar cell module, as the solar cell module rotates relative to the case. Is relatively moved to the solar cell module, it is preferable to further include; a cleaning module to remove the foreign matter in contact with the solar cell module by the contact movement of the washing member and the solar cell module.

The solar cell module is installed in a plate-shaped solar panel, an upper surface of the solar panel converts solar energy into electrical energy, a panel connection portion protrudes from one region of the lower surface, and the solar panel A first actuator rotatably attached to one region of one side of the lower surface of the lower surface of the lower surface of the lower surface of the case and rotatably attached to one side of the case, and electrically driven to move the movement bar linearly in a first direction; A first hinge attached between the cases and installed to be rotatable in a direction parallel to the first direction, the linear movement of the first actuator by the linear movement of the movement bar of the first actuator and the rotation of the first hinge The solar panel rotates in a direction parallel to the first direction with respect to the case according to the driving of the first actuator. A first driving module; One end of which is rotatably attached to one region of one end of the lower surface of the solar panel and the other end of which is rotatably attached to one side of the case at a lower end thereof, and wherein the movement bar is electrically installed to move linearly in the second direction. A second actuator, a second hinge attached between the panel connection part and the case, and installed to be rotatable in a direction parallel to the second direction, for linearly moving the second direction of the movement bar of the second actuator and the second A second driving module for rotating the solar panel in a direction parallel to the second direction with respect to the case according to the driving of the second actuator by the rotation of a second hinge; And a control unit for controlling driving of the first actuator and the second actuator.

According to the present invention, a battery is provided through a configuration of a computing device performing a relatively low-cost actuator, a plurality of parallel connected batteries and a power supply control for each battery from a solar panel, and a power supply control function for a light emitting module from each battery. The charge and discharge of each battery is controlled in consideration of the amount of charge, the amount of power generation of the solar panel, the driving time of the street light emitting module and the amount of power to be supplied for driving. In particular, since the control of maintaining the charge of the battery to the extent that the charging and discharging efficiency of each battery is maximized, the power generation efficiency of the solar panel and the power supply efficiency for the street lamp is greatly increased through battery charge management, the weather fluctuations Regardless, there is an effect that the driving time of the street lamp is greatly increased.

In addition, as described above, the system can be implemented at a relatively low cost, thereby greatly improving the economic efficiency of installation, maintenance, and repair of a street light using a solar power generation system.

In addition, the structure of the solar cell constituting the solar cell module is specialized to a structure that significantly increases the charging efficiency for the battery while being specialized in driving the street light, while increasing the chargeable time of the battery while being specialized in the street lamp, There is an effect that can greatly increase the discharge efficiency.

1 is a schematic configuration diagram of a power generation and power supply improvement system of an integrated solar street light according to an embodiment of the present invention.
Figure 2 is a schematic diagram for explaining the configuration of a solar cell module for implementing an embodiment of the present invention.
3 is a view for explaining a charge control of a battery according to an embodiment of the present invention.
4 is a view for explaining a detailed configuration example of the power supply module according to an embodiment of the present invention.
5 is a view for explaining a detailed configuration example of a washing module according to an embodiment of the present invention.
6 is a view of a detailed configuration example of an integrated solar street light according to an embodiment of the present invention.
7 is a view of a configuration example of a solar panel according to an embodiment of the present invention.

In the following, various embodiments and / or aspects are now disclosed with reference to the drawings. In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of one or more aspects. However, it will also be appreciated by one of ordinary skill in the art that this aspect (s) may be practiced without these specific details. The following description and the annexed drawings set forth in detail certain illustrative aspects of the one or more aspects. However, these aspects are exemplary and some of the various methods in the principles of the various aspects may be used and the descriptions described are intended to include all such aspects and their equivalents.

As used herein, “an embodiment”, “an example”, “aspect”, “an example”, etc., may not be construed as any aspect or design described is better or advantageous than other aspects or designs. .

The terms "comprises" and / or "comprising" also mean that the feature and / or component is present, but exclude the presence or addition of one or more other features, components and / or groups thereof. It should be understood that it does not.

In addition, terms including ordinal numbers such as first and second may be used to describe various components, but the components are not limited by the terms. The terms are used only for the purpose of distinguishing one component from another. For example, without departing from the scope of the present invention, the first component may be referred to as the second component, and similarly, the second component may also be referred to as the first component. The term and / or includes a combination of a plurality of related items or any item of a plurality of related items.

In addition, in the embodiments of the present invention, unless otherwise defined, all terms used herein including technical or scientific terms are generally understood by those skilled in the art to which the present invention belongs. Has the same meaning. Terms such as those defined in the commonly used dictionaries should be interpreted as having meanings consistent with the meanings in the context of the related art, and ideally or excessively formal meanings are not defined clearly in the embodiments of the present invention. Not interpreted as

Meanwhile, in the following description, the matters described in the drawings are partially omitted or excessively enlarged or reduced in order to explain the functions of the elements of the present invention, but the corresponding matters are technical features and rights of the present invention. It is to be understood that the scope is not limited.

In addition, in the following description, in order to describe the components constituting one technical feature or invention will be described with reference to a plurality of drawings at the same time.

1 is a schematic configuration diagram of a system for improving power generation and power supply of an integrated solar street light according to an embodiment of the present invention, and FIG. 2 is a schematic view for explaining a configuration of a solar cell module for implementing an embodiment of the present invention. 3 is a view for explaining a charge control of a battery according to an embodiment of the present invention, Figure 4 is a view for explaining a detailed configuration example of a power supply module according to an embodiment of the present invention; 5 is a view for explaining a detailed configuration example of the washing module according to an embodiment of the present invention, Figure 6 is a view for a detailed configuration example of the integrated solar street light according to an embodiment of the present invention, Figure 7 A diagram of a configuration example of a solar cell panel according to an embodiment of the present disclosure.

Referring to the drawings described above, the power generation and power supply improvement system of the integrated solar street light according to an embodiment of the present invention, the power generation module 10, the battery module 30, the battery monitoring module 50, It characterized in that it comprises a power distribution module 40 and a power supply module 60. In all the following drawings, each identification number is set in the order of description of the drawings, and it should be understood that it has nothing to do with the priority of the functional flow and features of the present invention.

The power generation module 10 receives solar light collected from the solar cell module 110 and the solar cell module 110 which are integrally formed to be relatively rotatable in one reciprocating direction D1 with the case 20 in which the light emitting module of the street lamp is installed. It is configured to include a power generation unit for generating power using.

In the present invention, the solar cell module 110 is included in the power generation module 10, and the power generation module 10 may be understood as the same concept as the solar panel in the following description.

The power generation module 10 is a device that can convert solar energy into electrical energy. When light is emitted using a photoelectric effect, electric current flows through a semiconductor to produce power. In general, a solar cell forms a structure of a PN-type semiconductor, and a P-type semiconductor and an N-type semiconductor are one of the types of semiconductors. Specifically, P-type semiconductors include gallium (Ga) on silicon (Si). It is a material that has a lot of hole, which is a hole after electrons are ejected from an atom by synthesizing a material such as or indium (In), and N-type semiconductors are silicon (Si). ) Is a substance having many electrons by synthesizing substances such as antimony (Sb) or arsenic (As). Through this, when light of energy greater than the prohibition band is irradiated to the semiconductor junction region, electrons and holes are generated, and the internal electric field formed in the junction region moves electrons to N-type semiconductor, and holes to P-type semiconductor generate electromotive force. The electrodes attached to the N-type semiconductor and the P-type semiconductor respectively become negative electrodes and positive electrodes, and thus DC current can be taken. As the material of the semiconductor, not only silicon but also gallium arsenide, cadmium sulfide, indium phosphorus or a composite between these materials can be used, but silicon is generally used.

In the power generation module 10 using the semiconductor thin film silicon, a plurality of solar cells such as the semiconductor units constituting the panel are attached to the power generation module 10 as described above. In this case, the solar cell may be attached in a plane, but as shown in FIG. 7, the solar cell 500 may be attached to the convex support or the convex cell 500 may be convex. And to form a path of movement of the fluid. In this case, each solar cell 500 may be convex to form a fluid movement path, or the solar cells 500 may be arcuately connected to each other as shown in FIG.

Through this, it is possible to form a convex surface so that the contact area with sunlight can be significantly increased compared to the planar configuration can increase the power generation efficiency, and the fluid such as air is conducted through the lower movement path, the solar cell Since the cooling effect for the heat generation of the 500 may be provided in a simple configuration, the driving efficiency of the solar cell 500 may be increased.

All of the components except the semiconductor structure referred to as a solar cell, including the configuration of collecting the DC current, may be understood to constitute a power generation unit other than the solar cell module 110 included in the power generation module 10.

Meanwhile, as shown in FIG. 1, the battery module 30 is charged with power generated from the power generation module 10, and is charged in the light emitting module included in the case 20, as the battery module 30 includes two batteries B1 and B2. At least two batteries are discharged to supply power to the configuration.

In the present invention, the light emitting module 21 means a street lamp, and the LED light emitting module may be included as a representative example. The light emitting module 21 is irradiated with light while being driven by being supplied with power provided by the power supply module 60 to be described later, thereby performing the function of a street lamp.

In the present invention, the light emitting module 21 may be configured as a chip scale package (CSP) type. The CSP package is a package that has recently attracted much attention in the development of a single chip package, which means a single chip package having a semiconductor / package area ratio of 80% or more, and the chip size package and high electrical performance which are advantages of flip chip technology. Lattice I / O arrangement, direct heat dissipation and existing SMT equipment can be utilized without new investment, which is an advantage of existing Surface Mounting Technology (SMT). to be.

The battery module 30 is configured to include two or more batteries B1 and B2 as described above, so that when one of them functions as a main battery, the remaining battery functions as a sub battery, thereby controlling charge and discharge. do. Charge and discharge of such a battery will be described later.

The battery constituting the battery module 30 may be used in various kinds. For example, all kinds of batteries that can be used to perform the functions of the present invention, such as a battery for power generation systems using iron phosphate batteries or other solar cells, can be used.

Meanwhile, the battery monitoring module 50 senses the state of charge of each of the batteries B1 and B2 included in the battery module 30. In this case, the battery monitoring module 50 preferably analyzes a state of charge (SOC) of the battery. That is, as a parameter related to the SOC, the state of charge of the battery is sensed in consideration of various things such as voltage, current, temperature, and age of use.

However, in SOC, each battery company is managed as the confidentiality of each company, and considering the state of charge of the battery in consideration of all parameters increases the complexity of the system. In the present invention to solve this problem, and to achieve the purpose of sensing the state of charge of the battery in the present invention relatively simple and at a low cost, the battery monitoring module 50, when sensing the state of charge of the battery, Sensing function will be performed. The power of the battery can be calculated by multiplying the voltage and current of the battery, and in particular, since the battery is a DC output, the calculation is relatively simple.

Meanwhile, the power distribution module 40 supplies power generated from the power generation module 10 to any one of the batteries included in the battery module 30 according to the state of charge of each battery sensed by the battery monitoring module 50. It performs the function of controlling to supply.

On the other hand, the voltage generated by the power generation module 10 is a maximum of 18V when all the columns are configured in series in the solar cell module 110 of the above-described material in which the unit solar cells are usually composed of 6 columns and 12 rows. In other words, for one column, 3V is the maximum voltage. In the power generation system to which the aforementioned six-column 12-row solar module 110 is applied, the specification of the battery may be determined such that the charging voltage is set to 18V.

However, in the present invention, while connecting the batteries (B1, B2) constituting the battery module 30 in parallel and at the same time to be composed of a battery having a charging voltage of 3.7V-100w, in the power supply module 60 thereafter The light emitting module 21 may be driven at the rated voltage by supplying the light to the light emitting module 21 by converting it into AC power and increasing the voltage through voltage raising and frequency modulation.

In such a configuration, when the solar cell module 110 is connected in series to set the charging voltage to 18 V, the battery may be sufficiently charged, but the amount of light may be cloudy or the time is approaching sunrise or sunset. If this is not enough, there is a problem that the charging time for the battery is not secured due to poor power generation.

In order to solve this problem, in the present invention, the solar cell can be configured as shown in FIG. Referring to FIG. 2, in the solar cell module 110 included in the power generation module 10, when a plurality of solar cells are configured by m columns xn rows, the cells of 1 to n rows are connected in series to each other. The rows of cells from column 1 to m / 2 are connected in parallel with each other, and the rows of cells from column m.2 + 1 to m are connected in parallel to each other so that two cell groups ( 111, 112, and the two solar cell groups 111, 112 may be configured to be connected in series with each other.

That is, in the above example, in the solar cell module 110 having six columns and twelve rows, twelve rows of cells belonging to each of the first groups 111 and 112 are connected in series to form solar cells. Each of the three columns of the cell row may be configured to be connected in parallel.

At this time, for example, if it is composed of 3.7V iron phosphate or LTO (lithium titanium) battery, since it is a structure that is connected in series of two rows in series, sufficient voltage of about 6V can be continuously provided, thereby overcast weather At the same time, the battery can be charged, and the battery can be charged until sunrise and sunset, in addition to the time when the maximum amount of light is secured, such as 12 to 4 o'clock. There is an advantage.

Returning to the description of the power distribution module 40 again, the power distribution module 40 uses the power generated by the power generation module 10 to maintain a range in which the plurality of batteries have an optimum charge and discharge efficiency in the above-described environment. The battery selects and provides a battery.

To this end, the power distribution module 40 controls the operation of the relay circuit and the relay circuit for selectively implementing the connection of each battery B1 and B2 and the power generation module 10 to control the power generation module 10 and one battery. It can be implemented as a kind of microcomputer including a drive control unit for controlling the connection.

Specifically, referring to FIG. 3, in the power distribution module 40, the charging power of each of the batteries B1 and B2 measured by the battery monitoring module 50 is equal to or greater than a preset maximum ratio with respect to the power when the battery is fully charged. Dynamically control the power supply to the battery to be in the range of the minimum ratio.

In this case, as shown in FIG. 3, the charging and discharging efficiency of the batteries B1 and B2 is maximized in the charging and discharging efficiency. The maximum ratio is about 80% and the minimum ratio is about 40 to the power when the battery is fully charged. It may be set to%, and the charge and discharge effect of the battery can be maximized when present in the range.

That is, when the power of the battery that can be supplied when fully charged is 100, the amount of charge that is supplied to the battery, that is, the charging efficiency is maximized when the currently available power of the battery is in the range of 40% to 80%, and is discharged from the battery. The amount of power supplied from the battery, that is, the discharge efficiency is maximized.

To this end, as described above, the power distribution module 40 receives a measurement value for the amount of power of the battery measured by performing the above-described function in the battery monitoring module 50, and by using this, the amount of charge of the battery within the above-described range is used. To be maintained.

For example, when the charging power of one battery is measured at the maximum ratio described above, the control is performed to supply power to the battery with the lowest charging power first, and when the battery with the charging power less than the minimum ratio is detected, the minimum It is preferable to control so as to preferentially supply power to the battery in the order of a large error from the ratio.

At this time, the priority supply is to supply power to another battery, that is, the battery having the highest priority as soon as the comparison result is changed as soon as the comparison result of the charging power is changed while the power is supplied first. Means the flow to control.

Meanwhile, the power supply module 60 is connected to the light emitting module 21 from any one of the batteries included in the battery module 30 according to the state of charge of each of the batteries B1 and B2 sensed by the battery monitoring module 50. It performs the function of controlling to supply power.

Since the power supply module 60 performs a function similar to that of the power distribution module 40, the structure may be similarly configured. In other words

That is, similarly to the power distribution module 40, the charging power of each of the batteries B1 and B2 measured by the battery monitoring module 50 is in a range of a predetermined maximum to minimum ratio with respect to the power when the battery is fully charged. To control the power supply from the battery, i.e. the discharge of the battery, to be present.

In this flow, the power supply module 60 is similar to the power distribution module 40 in order to selectively drive the relay circuits and the relay circuits to selectively implement the connection of the respective batteries B1 and B2 to the light emitting module 21. It may be implemented as a kind of microcomputer including a drive controller for controlling the connection of the light emitting module 21 and any one battery.

Meanwhile, the power supply module 60 controls the power supply to the street light, that is, the light emitting module 21. At this time, as described above, the light emitting module 21 of the street light may have a predetermined street light driving time and illuminance value for each street light driving time. That is, since the street light is mainly driven to illuminate the road at night, the driving time may be set according to the latitude / longitude and date of the installed place. In addition, the brightness of the street lamp may also be set according to the illumination intensity and time of external light.

Accordingly, the power supply module 60 controls to supply power to the light emitting module 21 dynamically from the battery at a power value set according to the above conditions, but similarly to the power distribution module 40 described above, the battery monitoring module The power supply to the light emitting module 21 is supplied from the battery such that the charging power of each of the batteries B1 and B2 measured by the 50 is in a range of a predetermined maximum to minimum ratio with respect to the power when the battery is fully charged. Dynamic control. In the above example, it is preferable that the maximum ratio and the minimum ratio be the same as the numerical values mentioned in the power distribution module 40.

Similar to the power distribution module 40, for example, when a battery in which the charging power of one battery is less than the minimum ratio is detected, the controller controls to supply power to the light emitting module from another battery except the one battery, and charge of all the batteries. When the power is detected to be less than the minimum ratio, it is preferable to control to supply power to the light emitting module 21 from the battery having the smallest error with the minimum ratio, that is, the battery having the highest charge amount.

In the above example, the selected battery in the power distribution module 40 and the power supply module 60 may be understood to be the above-described main battery, and other batteries may be understood to be sub-batteries. In the example of the drawings of the present invention, as described above, the battery included in the battery module 30 is composed of two, but may be composed of two or more.

Meanwhile, as described above, the power supply module 60 supplies the power supplied from the battery to the light emitting module 21 to drive the light emitting module 21. To this end, the power supply module 60 dynamically converts at least the frequency of the converter 61 and the converted AC power to convert the DC power of the battery into AC power, so that the power supplied to the light emitting module 21 is Although reduced according to the charging amount, it is preferable to include the frequency conversion module 62 which controls the voltage applied to the light emitting module 21 to maintain at least the minimum driving voltage of the light emitting module 21.

In this case, the frequency conversion module 62 may be connected to the battery monitoring module 50 although not shown in each drawing of the present invention because the frequency conversion module 62 needs to convert the frequency dynamically according to the discharge power of the battery that is changed in real time.

Meanwhile, in the present invention, the solar cell module 110 is exposed to the outside due to the characteristics of the street lamp, and thus foreign matter may be attached to the surface of the solar cell module 110. In this case, the amount of light irradiated to the solar cell module 110 may be affected, thereby reducing power generation efficiency. In the present invention, in order to minimize the reduction in power generation efficiency described above, a cleaning module as shown in FIG. 5 may be included in the system. The cleaning module includes a support 113 and a cleaning member 114.

Support 113 may be installed in pairs on each end side of the cleaning member 114 in the form of a small column fixed to the upper portion of the case 20. Alternatively, one pillar may be installed at an upper portion of the case 20, and may have a structure in which two pillars extend in a region adjacent to the solar cell module 110.

On the other hand, the cleaning member 114 is connected to the support 113, the at least one side is an element configured to form a close contact with the top of the solar cell module 110, that is in close contact with the surface exposed to sunlight. In this case, as shown in FIG. 5, the adhesion part may be understood to mean a region in which the solar cell module 110 corresponds to the upper surface of the cleaning member 114.

According to the configuration of the cleaning module, as the solar cell module 110 rotates relative to the case 20 and the above-described D1 direction, the support 113 and the cleaning member 114 move relative to the solar cell module 110. As a result, the cleaning member 114 and the solar cell module 110 function to remove foreign substances in contact with the solar cell module 110 by contact movement.

As a result, the solar cell module 110 can implement the surface cleaning function of the solar cell module 110 in a manner of moving relative to the case 20 as described above in order to increase the collection efficiency of solar light. There is an effect that can significantly increase the maintenance force of the solar cell module (110).

On the other hand, as described above, the solar cell module 110 is configured to rotate relative to the fixed case 20 and may be moved along the direction of the sun to maximize the solar collection efficiency at one point in time.

To this end, the power generation module 10 and the case 20 including the solar cell module 110 may configure a dynamic solar panel street light using, for example, a double actuator.

The dynamic solar panel street light using the dual actuator includes a solar panel 100, a first actuator 200, and a first hinge 201, which can be understood in the same hardware configuration as the power generation module as described above. A second drive module including a first drive module, a second actuator 300 and a second hinge 301, a control unit, a case 400 and a street light 402 is characterized in that it comprises a. As described above, the solar panel 100 refers to a plate-type configuration in which the solar cell module 110 is installed.

As described above, a solar cell module 110 is installed on the upper surface of the solar panel 100 to convert solar energy into electrical energy, and a panel connection portion 101 protrudes from one region of the lower surface. The panel connection portion 101 receives the load of the solar panel 100 on the upper surface, and the panel connection portion 101 may be fixed to one region of the lower surface, but as shown in FIG. In addition to supporting the load of the solar panel 100 by using a method such as a sliding rail (Sliding Rail) in the rotation of the solar panel 100 can be more smooth movement.

The case 400 (the case 20 of FIGS. 1 to 5), in which one end is rotatably attached to one region of one end of the lower surface of the solar panel 100, and the other end is provided with a street light at the lower end, that is, the light emitting module 21. The first actuator 200, the panel connecting portion 101 and the case (attached to the one side of the) and rotatably mounted so that the movement bar is linearly moved in the first direction (D1). A first hinge D1 linearly moved between the moving bars of the first actuator 200, including a first hinge 201 attached between the two ends 400, the first hinge 201 installed to be rotatable in a direction parallel to the first direction D1. And the first panel to rotate the solar panel 100 in a direction parallel to the first direction D1 with respect to the case 400 in accordance with the driving of the first actuator 200 by the rotation of the first hinge 201. There is a drive module.

The actuator used to rotate the solar panel 100 described above is a mechanical device used to move or control the system using electricity, hydraulic pressure, compressed air, or the like. In the present invention, in particular, an electric actuator is used, which is a device for converting the pressure energy of the hydraulic oil supplied by the hydraulic pump into mechanical work. The hydraulic fluid can be used as a petroleum-based oil, and the use of this hydraulic pressure makes the response of the output to the input quicker, simpler to control, and freely variable in speed at a lower cost than conventional motors. It has the advantage that it can be operated or manual and automatic operation.

In particular, the present invention not only can control the movement of the solar panel finely using two electric actuators, but also reduces the cost even at the initial cost and maintenance or maintenance during manufacturing because it is an integrated structure utilizing a low-cost actuator. The solar panel can be manufactured at a significantly reduced cost as compared to a solar street lamp using a motor as well as a street lamp using a conventional electric power.

Referring to the operating principle of FIG. 6, FIG. 6 illustrates a manner in which the solar panel 100 rotates in a direction parallel to the first direction D1. The solar panel 100 of FIG. 1 is illustrated. While the first actuator 200, one end of which is attached to one region of one end side of the lower surface of the lower surface, moves linearly in the first direction D1, the first hinge 201 connected to the panel connection portion 101 is the first actuator. As shown in FIG. 2, the solar panel 100 also rotates in a direction parallel to the first direction D1 while rotating as R1 in response to the movement of 200.

As described above, one end is rotatably attached to one region of one end side of the lower surface of the solar panel 100, and the other end is rotatably attached to one side of the case 400 in which the street lamp is installed at the lower end thereof. The second actuator 300, the panel connecting portion 101 and the case 400, which is installed so that the moving bar is moved in a straight line in the second direction (orthogonal to the first direction) is attached in a direction parallel to the second direction Including a second hinge 301 provided to be rotatable, in accordance with the linear movement of the second direction of the movement bar of the second actuator 300 and the rotation of the second hinge 301 according to the driving of the second actuator 300. There is a second driving module for rotating the solar panel 100 in a direction parallel to the second direction with respect to the case 400.

Referring back to the operating principle of Figure 6, Figure 6 shows the way the solar panel 100 is rotated in a direction parallel to the second direction, the lower portion of the solar panel 100 in FIG. While the second actuator 300 having one end attached to one region on one side of the surface moves linearly in the second direction, the second hinge 301 connected to the case 400 moves to the movement of the second actuator 300. Correspondingly, as shown in FIG. 4, the solar panel 100 also rotates in a direction parallel to the second direction while rotating in a direction perpendicular to the R1 direction and the surface of the case 400. Corresponds to the drive method in the 1 drive module.

Of course, as described above, even when the panel connection portion 101 moves side to side, the solar panel 100 corresponds to the movement of the panel connection portion 101 by the first actuator 200 or the second actuator 300 as the above-described rotation method. ) Will be able to rotate.

In addition, in using the hinge, the first hinge 201 may be a plate hinge, and the second hinge 301 may be configured as a pin hinge. In addition, the first hinge 201 may be rotated with the first actuator 200 and the second actuator 300. It may be replaced by a hinge or other mechanical device usable in the present invention. In addition, as shown in FIG. 6, the first hinge 201 is configured to be positioned above the second hinge 301 so that the plate hinge having a relatively weak bearing force is positioned above the pin hinge having a relatively strong bearing force. In implementation through a single support structure can greatly increase the support stability.

Although it includes a control unit for controlling the driving of the first actuator 200 and the second actuator 300, although the control unit is not shown in the figure, it can be considered to be included in the case 400.

In this case, the controller may be implemented in one computing device integrated with the power distribution module 40, the battery monitoring module 50, and the power supply module 60 described above. The above-described components may be implemented in software or programmatically in a computing device. Alternatively, all of the above-described components may be implemented as independent computing devices or terminals to include one or more computing devices (microcom).

In addition, the case 400 includes a body connection part 401 coupled to the cylindrical connection member extending from a region at the bottom of the case 400 and connected to the street lamp pole so as to control the connection direction. Through such a body connecting portion 401, the dynamic solar panel street light using at least one or more present invention dual actuators can be connected to different areas of the above-described street lamp pole, and can be attached to and detached from the street lamp pole. Can be combined.

In detail, a method of generating electrical energy through a dynamic solar panel street light using a double actuator having the above-described configuration will be described. First, the controller described above drives the first actuator 200 and the second actuator 300. In controlling the solar panel 100, the solar panel 100 may be controlled to rotate in a preset unit angle and unit direction every preset unit time. This is to rotate the photovoltaic panel 100 according to the mobility of the sun to receive the maximum solar energy to generate the maximum electrical energy, branching by considering more factors related to the season such as winter and summer at a predetermined unit time Each unit angle and direction may be set differently.

Of course, according to the latitude and longitude of the place installed with the above-described time factor, the angle and direction may be set differently at the time of initial installation of the solar panel 100. This is based on local factors in which day lengths can vary not only with seasonal factors but also with latitude and longitude, so that when products with the same initial unit angle and direction are installed at different latitudes and longitudes, Because they have different day lengths, the solar energy they receive will also be different, which in turn means different efficiencies in electrical energy generation. Therefore, the unit angle and direction of the solar panel 100 should be set differently for each unit time through the values of latitude and longitude.

In this case, as described below, the controller controls the first driving module and the second driving module, and the driving time may be determined by the controller. For example, the driving time may be set differently from sunrise time to sunset time according to each date and latitude / longitude, and the angle and direction at the time of initial installation may be the angle and direction at the time of installation.

In this case, according to each exemplary embodiment, the unit is operated to the end point of the driving time (for example, sunset time point) at a unit angle and direction every unit time (for example, 10 minutes) to be described later from the corresponding time point. , Automatically calculates the angle and direction at sunrise based on the current date and latitude / longitude, moves to the angle and direction at sunrise, and finally completes the operation. And the solar panel 100 positioned in the direction can be driven again while driving through the first drive module and the second drive module.

Meanwhile, the control unit may automatically correct the angle and direction at the time of initial installation of the solar panel 100 by adding the measured height value of the solar panel 100 with the ground or the direction in which the street light 402 is located. have. In addition to the above-mentioned local factors such as latitude and longitude, even in the same region or at the same location, even if the installed height is different depending on the altitude of the sun or the surrounding environment, the received solar energy may be different. The solar panel 100 may be set differently in such a manner that the time for the upward direction becomes longer. In addition, when the street lamp 402 included in the case 400 is also connected to a pole (not shown) through the body connection unit 401, the lamp is used to refer to which area of the pole or the surrounding environment to emit light. The direction of 402 is first set, and electric energy is estimated as much as necessary to adjust the degree of brightness of the street light 402 according to the set direction of the street light 402 to generate enough predicted electric energy. It may be to correct the initial angle and direction of the solar panel 100 to receive solar energy.

 Meanwhile, in driving the first actuator 200 and the second actuator 300 through the above-described control unit, although not shown in the drawing, the unit angle and direction for each unit time can be set in one area of the case 400. The input terminal is attached separately so that the user can change the setting through the input terminal, and even after the solar panel 100 is installed at a high level with the ground, the angle inputted through the remote terminal connected through the control unit and the wired or wireless network and Orientation can be used to set the angle and orientation during initial installation.

Of course, in the use of wired and wireless networks, it is possible to reduce the additional cost of cables and the like by operating a remote terminal through a wireless network that transmits and receives signals through the air using electromagnetic or sound waves without wires. Although it has advantages, natural elements according to the environment and weather where the street lamps are installed are applied as street lamps are installed outside, so that accidents that may occur in various cases including radio interference may be prevented by using a wired network together. .

Accordingly, the controller may manually control the solar panel 100 to rotate in the preset unit angle and unit direction at every preset unit time by receiving the angle and direction input by the user through the remote terminal.

In addition to the above-described manual control, the control unit measures the magnitude of the power generated through the solar panel 100 while controlling the rotation of the solar panel 100 at a point in time, the solar power is the maximum magnitude of the measured power After setting the angle and direction of the solar panel 100 to the angle and the direction of the solar panel 100 at one time point, the solar panel 100 is rotated in a preset unit angle and unit direction every preset unit time. Automatic control is possible.

In the above-described control unit measuring the magnitude of power generated through the solar panel 100, it is possible to accurately measure the degree of electricity flow by measuring the voltage, and the measured value is a user through the output means of the remote terminal It may be desirable to be able to check whether the voltage or power is the maximum value, and at the same time to check and refer to the angle and direction of the solar panel 100 at which the power is the maximum value.

In addition, the controller separately stores or records information on the value of the electric energy generated every predetermined unit time in a server through a wired / wireless network, so that when the electric energy generated at one point becomes lower than the average generated electric energy, It would be desirable to allow the control unit to automatically reset the unit angle and direction even without passing through the terminal.

Of course, the control unit is automatically controlled by including a button having such a function in the input means of the remote terminal so that the user can switch the above-described manual and automatic control states, and the user again manually adjusts the angle and direction for some values. Can be reset.

In the above-described manner, the user controls the solar panel 100 by manually adjusting through the remote terminal or automatically searching for and setting the unit angle and direction to produce the maximum power, and the location of the street lamp and various climates. Even under conditions, it is possible to produce maximum power by accommodating maximum solar energy.

Although the embodiments have been described above with reference to the limited embodiments and drawings, those skilled in the art will understand that various modifications and variations are possible from the above description. The terms "comprise", "comprise" or "having" described above mean that a component without a particularly opposite description may be included, and thus, does not exclude other components, but excludes other components. It should be construed as more inclusive. In addition, the protection scope of the present invention should be interpreted by the following claims, and all technical ideas within the equivalent scope should be construed as being included in the scope of the present invention.

Claims (7)

A power generation module including a solar cell module integrally formed so as to be relatively rotatable with a case in which a light emitting module of a street lamp is installed and a power generation unit generating power by using solar light collected from the solar cell module;
A battery module charged with power generated from the power generation module and including at least two batteries which are discharged to supply power to the light emitting module;
A battery monitoring module configured to sense a charging state of a battery included in the battery module;
A power distribution module controlling to supply power generated from the power generation module to any one of the batteries included in the battery module according to the state of charge of each battery sensed by the battery monitoring module; And
And a power supply module configured to supply power to the light emitting module from any one of the batteries included in the battery module according to the state of charge of each battery sensed by the battery monitoring module.
The power supply module,
A converter for converting the DC power of the battery into AC power; And
A frequency conversion module that converts the frequency of the converted AC power so that the voltage applied to the light emitting module maintains at least the minimum driving voltage of the light emitting module even if the power supplied to the light emitting module is reduced according to the amount of charge of the battery. Power generation and power supply enhancement system of an integrated solar street light comprising a.
The method of claim 1,
The power generation module,
When a plurality of cells is composed of m columns xn rows, the cells of rows 1 to n are connected in series to form a cell row, and the rows of cells from columns 1 to m / 2 are parallel to each other. Solar cells connected in parallel with each other and divided into two solar cell groups, and the two solar cell groups are configured to be connected in series with each other. Power generation and power supply improvement system of optical street lights.
The method of claim 1,
The power distribution module,
Dynamically controlling the power supply to the battery so that the charging power of each battery measured by the battery monitoring module is in a range of a predetermined maximum ratio or minimum ratio with respect to the power when the battery is fully charged,
When the charging power of one battery is measured at the maximum ratio, control to supply power to the battery with the lowest charging power,
When the battery charge power of the battery is less than the minimum ratio is detected, the generation and power supply enhancement system of the integrated solar street light, characterized in that the control to supply power to the battery in the order of the error with the minimum ratio is large.
The method of claim 1,
The power supply module,
The controller is configured to supply power to the light emitting module from the battery at a predetermined power value according to a predetermined street light driving time and an illumination value for each street light driving time.
Dynamically controlling the power supply from the battery to the light emitting module so that the charging power of each battery measured by the battery monitoring module is in a range of a predetermined maximum to minimum ratio with respect to the power when the battery is fully charged,
If the battery is less than the minimum ratio of the charging power of the one battery is detected, and controls to supply power to the light emitting module from other batteries except one battery,
When it is detected that the charging power of all the batteries is less than the minimum ratio, the generation and power supply of the integrated solar street light, characterized in that the control to supply power to the light emitting module from the battery with the smallest error with the minimum ratio. Enhance system.
delete The method of claim 1,
A support fixed to an upper portion of the case; And
And a cleaning member connected to the support, the at least one side configured to form a close contact with the top of the solar cell module.
As the solar cell module rotates relative to the case, the support and the cleaning member are moved relative to the solar cell module, whereby the foreign matter contacted with the solar cell module by the contact movement between the washing member and the solar cell module. Power generation and power supply enhancement system of an integrated solar street light further comprising a; cleaning module to remove the.
The method of claim 1,
The solar cell module is installed in a plate-shaped solar panel, the upper surface of the solar panel converts the solar energy into electrical energy, a panel connection portion protrudes in one region of the lower surface,
A first actuator, one end of which is rotatably attached to one region of one end of the lower surface of the solar panel, rotatably attached to one side of the case, and electrically installed to move the movement bar linearly in a first direction, A first hinge attached between the panel connection part and the case and installed to be rotatable in a direction parallel to the first direction, the linear movement of the first direction of the movement bar of the first actuator and the first hinge A first driving module configured to rotate the solar panel in a direction parallel to the first direction with respect to the case according to the driving of the first actuator by rotation;
One end of which is rotatably attached to one region of one end of the lower surface of the solar panel and the other end of which is rotatably attached to one side of the case at a lower end thereof, and wherein the movement bar is electrically installed to move linearly in a second direction. A second actuator, a second hinge attached between the panel connection part and the case, and installed to be rotatable in a direction parallel to the second direction, the linear movement of the second actuator in the movement bar of the second actuator and the first A second driving module configured to rotate the solar panel in a direction parallel to the second direction with respect to the case according to the driving of the second actuator by the rotation of a second hinge; And
The control unit for controlling the driving of the first actuator and the second actuator; Power generation and power supply improvement system of the integrated solar street light further comprising.

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