A solar panel temperature regulating device

Abstract

The application provides a solar cell panel temperature regulating device, which comprises a plurality of semiconductor refrigerating sheets arranged on the back of a solar cell panel, a first temperature control element arranged on the solar cell panel, a power supply, a first relay, the semiconductor refrigerating sheets and a second relay which are sequentially connected by wires to form a closed circuit, and the power supply is sequentially connected with the coil of the first relay and the coil of the second relay to form a control circuit, and the control circuit is provided with the first temperature control element which controls the on-off of the control circuit. The device can cool the solar cell panel and prolong the service life of the solar cell panel.

Description

Technical Field

[0001] This invention belongs to the field of solar energy equipment technology, and specifically relates to a solar panel temperature regulation device. Background Technology

[0002] Tibet boasts the richest solar energy resources in China and is one of the world's most abundant regions. Located on the Qinghai-Tibet Plateau, its high altitude, thin air, and abundant sunshine, coupled with its sparse population, allow for extensive installation of solar panels, leading to the widespread application of solar cells. Solar panels are devices that absorb sunlight and convert solar radiation energy directly or indirectly into electrical energy through the photoelectric or photochemical effects. The electricity generated by solar panels can be fed into the power grid to supply people's production and daily life. Solar cells are a promising new type of power source with three major advantages: permanence, cleanliness, and flexibility. Solar cells have a long lifespan; as long as the sun exists, solar cells can be used for a long time with a one-time investment. Compared with thermal power generation and nuclear power generation, solar cells do not cause environmental pollution. However, with the increase in operating time, the temperature of existing solar panels becomes too high. Ordinary air cooling methods are not effective in dissipating heat from solar panels, leading to a decrease in conversion efficiency under high loads. Excessive temperature can even damage components of the solar panel, failing to provide protection and reducing its lifespan. Furthermore, in high-altitude and cold regions, solar panels also face the problem of excessively low nighttime temperatures, which can cause the solar panels to be in abnormal temperature ranges and pose a risk of freezing damage to important components. Summary of the Invention

[0003] The technical problem to be solved by the present invention is to provide a solar panel temperature regulation device that can cool down the solar panel and improve its service life.

[0004] To solve the above-mentioned technical problems, the technical solution adopted by the present invention is: a solar panel temperature regulation device, including a plurality of semiconductor cooling chips disposed on the back of the solar panel, a first temperature control element disposed on the solar panel, a power supply, a first relay, semiconductor cooling chips and a second relay being connected in sequence by wires to form a closed circuit, the power supply being connected in sequence to the coil of the first relay and the coil of the second relay to form a control circuit, and a first temperature control element being disposed on the control circuit to control the on and off of the control circuit.

[0005] In a preferred embodiment, the first relay and the second relay are changeover relays. One of the stationary contacts of the first relay is connected to the positive terminal of the power supply, and the other stationary contact is connected to the negative terminal of the power supply through a first redirecting wire. One of the stationary contacts of the second relay is connected to the negative terminal of the power supply, and the other stationary contact is connected to the positive terminal of the power supply through a second redirecting wire.

[0006] In a further embodiment, a first indicator light is provided on either the first or second redirecting guide wire.

[0007] In a preferred embodiment, a second indicator light is provided on the control loop.

[0008] In a further embodiment, the closed circuit is equipped with a third relay. The two ends of the coil of the third relay are connected to the positive and negative terminals of the power supply through wires to form a control branch. The control branch is equipped with two second temperature control elements connected in parallel. One of the two second temperature control elements is a normally open switch and the other is a normally closed switch. The two second temperature control elements have different operating temperatures.

[0009] In a preferred embodiment, the power supply, the first relay, the second relay, and the first temperature control element are mounted on the solar panel and protected by a protective box on the outside.

[0010] In a preferred embodiment, the first temperature control element is a thermistor or a temperature control switch.

[0011] This invention provides a solar panel temperature regulation device. A semiconductor cooling chip is installed on the existing solar panel. Through the cooperation of a first temperature control element, a first relay, and a second relay, the semiconductor cooling chip cools the solar panel when the temperature is too high, thereby improving the lifespan of the solar panel. Preferably, by setting a first deflector wire and a second deflector wire, the current direction of the semiconductor cooling chip can be switched, allowing the semiconductor cooling chip to both cool and heat. This enables the regulation of the solar panel temperature in ultra-low temperature environments, broadening its applicability. Attached Figure Description

[0012] The present invention will be further described below with reference to the accompanying drawings and embodiments:

[0013] Figure 1 This is a schematic diagram showing the position of the semiconductor cooling chip of the present invention;

[0014] Figure 2 This is a circuit diagram of the present invention;

[0015] Figure 3 This is a preferred circuit diagram of the present invention;

[0016] Figure 4 This is another preferred circuit diagram of the present invention;

[0017] In the diagram: 1. Solar panel; 2. Semiconductor cooling chip; 3. First temperature control element; 4. Power supply; 5. First relay; 6. Protection box; 7. Second relay; 8. Closed circuit; 9. Control circuit; 10. First redirecting wire; 11. Second redirecting wire; 12. First indicator light; 13. Second indicator light; 14. Third relay; 15. Control branch; 16. Second temperature control element. Detailed Implementation

[0018] like Figures 1-2 As shown, a solar panel temperature regulation device includes several thermoelectric coolers 2 disposed on the back of a solar panel 1. Silicon grease is applied between the thermoelectric coolers 2 and the solar panel 1 to improve thermal conductivity. The thermoelectric coolers 2 can be arranged in an array. A first temperature control element 3 is provided on the solar panel 1. A power supply 4 is connected in sequence with a first relay 5, the thermoelectric coolers 2 and a second relay 7 to form a closed circuit 8. The thermoelectric coolers 2 can be connected in series and parallel in the closed circuit 8. The power supply 4 is connected in sequence with the coil of the first relay 5 and the coil of the second relay 7 to form a control circuit 9. The control circuit 9 is provided with a first temperature control element 3 to control the on / off state of the control circuit 9.

[0019] Preferably, the power supply 4, the first relay 5, the second relay 7, and the first temperature control element 3 are disposed on the solar panel 1 and a protective box 17 is disposed on the outside.

[0020] In practical use, the first relay 5 and the second relay 7 are normally open relays, and the model can be Omron G5V-1-5VDC. When the solar panel 1 becomes too hot due to prolonged operation, the control circuit 9 of the first temperature control element 3 is disconnected, the first relay 5 and the second relay 7 are closed, the closed circuit 8 is energized, and the semiconductor cooling chip 2 starts to work, cooling the solar panel 1. When the temperature drops, the control circuit 9 of the first temperature control element 3 is closed, the first relay 5 and the second relay 7 are disconnected, and the semiconductor cooling chip 2 stops working. The first temperature control element 3 can be a thermistor or a temperature control switch. In this embodiment, the first temperature control element 3 is a temperature control switch, and the B02 series of BAOZHU brand can be selected. The operating temperature of the temperature control switch can be selected from 30~40℃.

[0021] Preferred, such as Figure 3 As shown, the first relay 5 and the second relay 7 are changeover relays. One of the stationary contacts of the first relay 5 is connected to the positive terminal of the power supply 4, and the other stationary contact is connected to the negative terminal of the power supply 4 through the first redirecting wire 10. One of the stationary contacts of the second relay 7 is connected to the negative terminal of the power supply 4, and the other stationary contact is connected to the positive terminal of the power supply 4 through the second redirecting wire 11.

[0022] In use, when the temperature exceeds the set temperature, the first temperature control element 3 is disconnected, and the moving contacts of the first relay 5 and the second relay 7 switch to connect with another stationary contact. The direction of the current flowing through the semiconductor refrigeration chip 2 is switched through the first redirecting wire 10 and the second redirecting wire 11, and the semiconductor refrigeration chip 2 cools down the solar panel 1. After the temperature drops to the set temperature, the first temperature control element 3 is closed, and the moving contacts of the first relay 5 and the second relay 7 switch to connect with the initial stationary contact. The first redirecting wire 10 and the second redirecting wire 11 are disconnected, the direction of the current flowing through the semiconductor refrigeration chip 2 is switched, and the semiconductor refrigeration chip 2 heats up the solar panel 1.

[0023] The solar panel 1 is heated by the principle that the change in the current direction of the semiconductor cooling chip 2 generates heat, thereby adapting to the working requirements in ultra-low temperature environments.

[0024] Preferably, a first indicator light 12 is provided on the first redirecting conductor 10 or the second redirecting conductor 11. The operating status of the thermoelectric cooler 2 is determined by the first indicator light 12.

[0025] Preferably, the control circuit 9 is provided with a second indicator light 13.

[0026] Preferred, such as Figure 4 As shown, the closed circuit 8 is provided with a third relay 14. The two ends of the coil of the third relay 14 are connected to the positive and negative terminals of the power supply 4 through wires to form a control branch 15. The control branch 15 is provided with two second temperature control elements 16 connected in parallel. One of the two second temperature control elements 16 is a normally open switch and the other is a normally closed switch, and the two second temperature control elements 16 have different operating temperatures.

[0027] Specifically, the two second temperature control elements 16 can be selected from Shuangfei's KSD9700 series temperature control switches. One of the two second temperature control elements 16 is a normally closed switch with an operating temperature of 20℃, and the other second temperature control element 16 is a normally open switch with an operating temperature of 35℃. When the operating temperature of the solar panel 1 is between 20℃ and 35℃, the control branch 15 is disconnected and the third relay 14 is in the open state. When the temperature is below 20℃ or above 35℃, the third relay 14 is closed, and the thermoelectric cooler 2 starts to work, thereby controlling the operating temperature range of the thermoelectric cooler 2.

Claims

1. A solar panel temperature regulation device, characterized in that: The system includes several semiconductor cooling chips (2) disposed on the back of a solar panel (1), a first temperature control element (3) disposed on the solar panel (1), a power supply (4) connected in sequence with a first relay (5), semiconductor cooling chips (2) and a second relay (7) to form a closed circuit (8) via wires, a power supply (4) connected in sequence with the coil of the first relay (5) and the coil of the second relay (7) to form a control circuit (9), and a first temperature control element (3) disposed on the control circuit (9) to control the on / off state of the control circuit (9); the first relay (5) and the second relay (7) are changeover relays, one of the stationary contacts of the first relay (5) is connected to the positive terminal of the power supply (4), and the other stationary contact is connected to the negative terminal of the power supply (4) via a first redirecting wire (10), one of the stationary contacts of the second relay (7) is connected to the negative terminal of the power supply (4), and the other stationary contact is connected to the positive terminal of the power supply (4) via a second redirecting wire (11); The closed circuit (8) is provided with a third relay (14). The two ends of the coil of the third relay (14) are connected to the positive and negative terminals of the power supply (4) through wires to form a control branch (15). The control branch (15) is provided with two second temperature control elements (16) connected in parallel. One of the two second temperature control elements (16) is a normally open switch and the other is a normally closed switch. The two second temperature control elements (16) have different operating temperatures. The first temperature control element (3) is a thermistor or a temperature control switch.

2. The solar panel temperature regulating device according to claim 1, characterized in that: A first indicator light (12) is provided on the first redirecting conductor (10) or the second redirecting conductor (11).

3. The solar panel temperature regulating device according to claim 1, characterized in that: The control loop (9) is equipped with a second indicator light (13).

4. The solar panel temperature regulating device according to claim 1, characterized in that: The power supply (4), the first relay (5), the second relay (7) and the first temperature control element (3) are installed on the solar panel (1) and a protective box (6) is installed on the outside.

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