CN111262524A - A solar photovoltaic panel cooling device - Google Patents

Abstract

The invention discloses a solar photovoltaic panel cooling device which comprises a solar photovoltaic panel arranged obliquely, wherein a frame is arranged at the bottom of the solar photovoltaic panel, a detachable heat dissipation device is arranged at the top of the frame, a metal plate is arranged at the bottom of the solar photovoltaic panel, an arched cavity is formed in the metal plate, and a detachable metal shell is arranged at the bottom of the frame. In the invention, the cavity is arranged in the metal plate made of the copper material, so that the cooling liquid flows in the cavity, and the heat on the metal plate is quickly generated, thereby the heat of the solar photovoltaic cell panel is dissipated.

Description

A solar photovoltaic panel cooling device

technical field

The invention relates to the related field of solar photovoltaic panel technology, in particular to a solar photovoltaic panel cooling device.

Background technique

Today's society is a society that lacks resources. As a green energy source, solar energy is widely used. A solar panel is a device that directly or indirectly converts solar radiation into electrical energy through the photoelectric effect or photochemical effect by absorbing sunlight. Compared with the conventional power generation technology, solar energy, as a clean, pollution-free new energy source, is also an inexhaustible and inexhaustible energy source, and has been vigorously developed. Therefore, there are solar modules or solar curtain walls, etc., as power generation carriers.

However, in the existing solar photovoltaic modules, when the solar panel is working, a higher temperature will be generated, thereby affecting the normal operation of the panel, shortening its service life, and causing waste.

After retrieval, the Chinese patent name is: A solar photovoltaic curtain panel with dual cooling devices, the authorized publication number is: CN105450172B, which includes a transparent tempered glass protective plate, an air guide cavity box, an air outlet, a metal bottom plate, and a solar photovoltaic panel. , water conduit mouth, triangular support block, photoelectric conversion device, roller, base, support column, water tank, water pump, fan, air guide pipe and water inlet hose, set on the top of the solar photovoltaic panel through a transparent tempered glass protection plate, To protect the solar photovoltaic panel, the metal base plate is arranged at the bottom of the solar photovoltaic panel, the solar photovoltaic panel transfers heat to the metal base plate, and then dissipates the heat from the metal base plate by air cooling and water cooling, so as to achieve a high temperature The effect of solar photovoltaic panels for heat dissipation.

However, the device can only dissipate heat through the metal base plate installed at the bottom of the photovoltaic panel, and cannot directly dissipate heat from the solar photovoltaic panel, and the heat dissipation effect is relatively poor. In addition, there will be dust adhering to the surface of the transparent tempered glass protective plate. , affecting the transmittance of the transparent tempered glass protective plate, reducing the efficiency of solar photovoltaic panels to convert solar energy into electricity.

To this end, we propose a solar photovoltaic panel cooling device.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a solar photovoltaic panel cooling device to solve the above-mentioned problems in the background art.

In order to achieve the above object, the present invention adopts the following technical solutions:

A solar photovoltaic panel cooling device includes an inclined solar photovoltaic panel, a frame is installed at the bottom of the solar photovoltaic panel, a detachable heat dissipation device is installed on the top of the frame, and the bottom of the solar photovoltaic panel is installed A metal plate is provided, the metal plate is provided with an arcuately arranged cavity, a detachable metal shell is installed at the bottom of the frame, and a conveying mechanism is installed at the inner bottom of the metal shell, and the conveying mechanism The output end of the container is connected to the input end of the cavity through a liquid inlet pipe, the input end of the conveying mechanism is connected to a container box through a pipeline, and the input end of the container box is connected to the output end of the cavity through a conveying pipe, and the container A cooling mechanism is installed on the outer side wall of the box;

A controller and a photoelectric conversion device are also installed at the inner bottom of the metal shell, and a plurality of temperature sensors are installed at the bottom of the solar photovoltaic panel. The controller is connected to the conveying mechanism, the heat sink, the temperature sensor and the The photoelectric conversion device is electrically connected, and a support mechanism is installed on the bottom of the metal shell.

Preferably, the heat dissipation device is used to dissipate heat from the solar photovoltaic panel, the heat dissipation device is arranged obliquely, and the heat dissipation device is formed by arranging a plurality of heat dissipation fans.

Preferably, the conveying mechanism includes a water pump installed at the bottom of the metal casing, and the water pump is electrically connected to the controller through wires.

Preferably, the heat dissipation mechanism includes a heat dissipation fin disposed on the container box, the heat dissipation fin is provided with a suction fan, the suction fan is electrically connected with the controller through a wire, and the metal casing is provided with a suction fan corresponding air outlet.

Preferably, the metal shell is provided with an air inlet, and the air inlet is located above the air outlet.

Preferably, the support mechanism includes a support column fixedly connected to the bottom of the metal shell, the bottom of the support column is fixedly connected with a base, and two ends of the support column are respectively arranged vertically with the metal shell and the base.

Preferably, the outer side wall of the support column is connected with the bottom of the metal shell through a connecting rod.

Preferably, the material of the metal plate, the material of the container box, the material of the conveying pipe and the material of the liquid inlet pipe are all made of copper.

Compared with the prior art, the beneficial effects of the present invention are:

In the present invention, a cavity is arranged in the metal plate of copper material, so that the cooling liquid circulates in the cavity, and quickly carries the heat on the metal plate, so as to dissipate heat for the solar photovoltaic panel, compared with the surface of the metal plate. The heat dissipation efficiency of installing the heat dissipation cooling pipe is better. In addition, the top of the solar photovoltaic panel is blown to dissipate heat through the heat dissipation device installed on the frame, and at the same time, dust can be prevented from adhering to the surface of the solar photovoltaic panel, which improves the efficiency of the solar photovoltaic panel. The efficiency with which a panel converts solar energy into electricity. The cooling device can detect the temperature of the solar photovoltaic panel in real time. When the temperature of the solar photovoltaic panel is lower than the threshold, the water pump, the heat sink and the exhaust fan are turned off. When the temperature of the solar photovoltaic panel is higher than the threshold, the The operation of the water pump, the cooling device and the exhaust fan dissipates the heat of the solar photovoltaic panel, which can save power resources, has a high degree of intelligence, and has a good heat dissipation effect, which has good practicability.

Description of drawings

1 is a schematic structural diagram of a solar photovoltaic panel cooling device proposed by the present invention;

2 is a schematic diagram of the internal structure of a solar photovoltaic panel cooling device proposed by the present invention;

3 is a schematic diagram of the connection structure of the metal plate, the cavity, the liquid inlet pipe and the conveying pipe in a solar photovoltaic panel cooling device proposed by the present invention;

4 is a schematic diagram of the connection structure of a container box, a heat sink and an exhaust fan in a solar photovoltaic panel cooling device proposed by the present invention;

5 is a schematic structural diagram of a heat dissipation device in a solar photovoltaic panel cooling device proposed by the present invention.

In the figure: 1. Metal shell; 2. Heat sink; 3. Solar photovoltaic panel; 4. Frame; 5. Connecting rod; 6. Support column; 7. Base; 8. Exhaust fan; 9. Liquid inlet pipe; 10, water pump; 11, container box; 12, controller; 13, conveying pipe; 14, temperature sensor; 15, metal plate; 16, cavity; 17, air inlet; 18, photoelectric conversion device; 19, heat sink.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments.

1 to 5, the present invention also proposes a solar photovoltaic panel cooling device, including an inclined solar photovoltaic panel 3, a frame 4 is installed at the bottom of the solar photovoltaic panel 3, and a detachable frame 4 is installed at the top of the frame 4. The heat dissipation device 2 is used to dissipate the heat of the solar photovoltaic panel 3. The heat dissipation device 2 is arranged obliquely. The heat dissipation device 2 is composed of a plurality of heat dissipation fans. The heat dissipation fan is an ion removal fan, which can remove the solar photovoltaic panel 3. The dust on the surface can also dissipate heat from the solar photovoltaic panel 3.

The bottom of the solar photovoltaic cell panel 3 is provided with a metal plate 15, the metal plate 15 is provided with an arcuate cavity 16, the bottom of the frame 4 is mounted with a detachable metal shell 1, and the inner bottom of the metal shell 1 A conveying mechanism is installed, the output end of the conveying mechanism is connected with the input end of the cavity 16 through the liquid inlet pipe 9, the input end of the conveying mechanism is connected with the container box 11 through the pipeline, and the input end of the container box 11 is connected with the cavity through the conveying pipe 13. 16 is connected to the output end, by transporting the cooling liquid in the container box 11 to the cavity 16 on the metal plate 15, and then the cooling liquid in the cavity 16 is transported to the container box 11 for cooling, and the cooling liquid in the cavity 16 is cooled. The liquid is transported into the container box 11 with the heat on the metal plate 15 to rapidly dissipate heat for the solar photovoltaic cell panel 3 , and the heat dissipation efficiency is due to the way of installing heat dissipation pipes on the metal plate 15 to dissipate heat.

Further, the conveying mechanism includes a water pump 10 installed at the inner bottom of the metal casing 1. The water pump 10 is electrically connected to the controller 12 through wires, so that the cooling liquid circulates between the container box 11 and the cavity 16, thereby improving the efficiency of solar photovoltaic cells. Heat dissipation efficiency of plate 3.

Wherein, the outer side wall of the container box 11 is provided with a heat dissipation mechanism, and the heat dissipation mechanism includes a heat dissipation fin 19 arranged on the container box 11, the heat dissipation fin 19 is provided with a suction fan 8, and the suction fan 8 is electrically connected with the controller 12 through a wire, The metal casing 1 is provided with an air outlet corresponding to the exhaust fan 8 to rapidly dissipate the cooling liquid in the container box 11 .

Further, the metal casing 1 is provided with an air inlet 17 , and the air inlet 17 is located above the air outlet to maintain the air circulation inside the metal casing 1 .

A controller 12 and a photoelectric conversion device 18 are also installed at the inner bottom of the metal casing 1, and a plurality of temperature sensors 14 are installed at the bottom of the solar photovoltaic panel 3. The controller 12 is connected to the conveying mechanism, the heat sink 2, The temperature sensor 14 is electrically connected to the photoelectric conversion device 18. The function of the temperature sensor 14 is to detect the temperature of the solar photovoltaic panel 3 and transmit the detected temperature data to the controller 12. The controller 12 detects the temperature according to the temperature sensor 14. Determine whether the temperature data exceeds the threshold value, and then control the water pump 10, the heat dissipation device 2 and the exhaust fan 8 to work, and dissipate the heat from the solar photovoltaic panel 3.

A support mechanism is installed at the bottom of the metal shell 1, and the support mechanism includes a support column 6 fixedly connected to the bottom of the metal shell 1. The bottom of the support column 6 is fixedly connected with a base 7, and both ends of the support column 6 are respectively connected to the metal shell. The body 1 and the base 7 are vertically arranged to support the metal shell 1 .

Further, the outer side wall of the support column 6 is connected with the bottom of the metal shell 1 through the connecting rod 5 , so as to improve the stability of the support of the metal shell 1 .

Further, the material of the metal plate 15, the material of the container box 11, the material of the conveying pipe 13 and the material of the liquid inlet pipe 9 are all made of copper. The copper material has better thermal conductivity and is conducive to rapid heat dissipation.

In the present invention, the solar photovoltaic panel 3 converts solar energy into electrical energy when it receives sunlight, and the temperature sensor 14 detects the temperature of the running solar photovoltaic panel 3, and transmits the detected temperature data to the controller 12, The controller 12 judges whether the temperature exceeds the threshold value according to the temperature data detected by the temperature sensor 14, and then controls the water pump 10, the cooling device 2 and the exhaust fan 8 to work to dissipate heat from the solar photovoltaic panel 3, which can cool the solar photovoltaic panel. The temperature of 3 is detected in real time. When the temperature of the solar photovoltaic panel 3 is lower than the threshold, the water pump 10, the cooling device 2 and the exhaust fan 8 are in a closed state. When the temperature of the solar photovoltaic panel 3 is higher than the threshold, the water pump 10, The heat dissipation device 2 and the exhaust fan 8 operate to dissipate heat from the solar photovoltaic panel 3, which can save power resources, has a high degree of intelligence, and has a good heat dissipation effect, which has good practicability.

The above description is only a preferred embodiment of the present invention, but the protection scope of the present invention is not limited to this. The equivalent replacement or change of the inventive concept thereof shall be included within the protection scope of the present invention.

Claims (8)

1. A solar photovoltaic panel cooling device, characterized in that it comprises an inclined solar photovoltaic panel (3), a frame (4) is installed at the bottom of the solar photovoltaic panel (3), and the frame (4) A detachable heat dissipation device (2) is installed on the top of the solar photovoltaic panel (3), a metal plate (15) is arranged at the bottom of the solar photovoltaic panel (3), and an arcuate cavity (16) is arranged on the metal plate (15). ), a detachable metal casing (1) is installed at the bottom of the frame (4), a conveying mechanism is installed at the inner bottom of the metal casing (1), and the output end of the conveying mechanism passes through the liquid inlet pipe ( 9) Connect with the input end of the cavity (16), the input end of the conveying mechanism is connected with a container box (11) through a pipeline, and the input end of the container box (11) is connected to the cavity (11) through a conveying pipe (13). 16) is connected to the output end, and the outer side wall of the container box (11) is provided with a heat dissipation mechanism; A controller (12) and a photoelectric conversion device (18) are also installed at the inner bottom of the metal casing (1), and a plurality of temperature sensors (14) are installed at the bottom of the solar photovoltaic cell panel (3). The controller (12) is electrically connected with the conveying mechanism, the heat dissipation device (2), the temperature sensor (14) and the photoelectric conversion device (18) respectively through wires, and a support mechanism is installed on the bottom of the metal casing (1). 2 . The solar photovoltaic panel cooling device according to claim 1 , wherein the heat dissipation device ( 2 ) is used to dissipate heat from the solar photovoltaic panel ( 3 ), and the heat dissipation device ( 2 ) is arranged obliquely. 3 . , the heat dissipation device (2) is composed of a plurality of heat dissipation fans arranged in an array. 3. A solar photovoltaic panel cooling device according to claim 1, characterized in that the conveying mechanism comprises a water pump (10) installed at the inner bottom of the metal casing (1), the water pump (10) passing through a wire It is electrically connected with the controller (12). 4. A solar photovoltaic panel cooling device according to claim 1, characterized in that the heat dissipation mechanism comprises a heat dissipation fin (19) disposed on the container box (11), and the heat dissipation fin (19) is disposed on the heat dissipation fin (19). There is a suction fan (8), the suction fan (8) is electrically connected with the controller (12) through a wire, and an air outlet corresponding to the suction fan (8) is provided on the metal casing (1). 5 . The solar photovoltaic panel cooling device according to claim 4 , wherein the metal casing ( 1 ) is provided with an air inlet ( 17 ), and the air inlet ( 17 ) is located above the air outlet. 6 . 6. A solar photovoltaic panel cooling device according to claim 1, wherein the support mechanism comprises a support column (6) fixedly connected to the bottom of the metal shell (1), the support column (6) A base (7) is fixedly connected to the bottom of the support column (6), and the two ends of the support column (6) are respectively arranged vertically with the metal shell (1) and the base (7). 7 . The solar photovoltaic panel cooling device according to claim 6 , wherein the outer side wall of the support column ( 6 ) is connected to the bottom of the metal casing ( 1 ) through a connecting rod ( 5 ). 8 . 8. A solar photovoltaic panel cooling device according to claim 1, characterized in that the material of the metal plate (15), the material of the container box (11), the material of the conveying pipe (13) and the liquid inlet pipe (9) The material is all copper.

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