Photovoltaic energy storage device based on building integrated photovoltaic

Abstract

The invention discloses a photovoltaic building integration-based photovoltaic energy storage device, and relates to the technical field of photovoltaic energy storage devices, the photovoltaic building integration-based photovoltaic energy storage device comprises a building body, photovoltaic panels are laid on the two sides of the top end of the building body, a first sliding box is arranged on one side of each photovoltaic panel, and the first sliding boxes are fixedly connected to the building body; a first sliding block is slidably arranged in the first sliding box, an air cavity and a liquid cavity are formed in the first sliding block, the liquid cavity is close to the middle of the top end of the building body, a first square pipe is slidably arranged on the side portion of the first sliding block and communicates with the air cavity, and the end, located outside the air cavity, of the first square pipe communicates with an air box. According to the photovoltaic energy storage device based on the building integrated photovoltaic, through cooperation of the first air bag, the second air bag and other structures, the air box and the liquid box are driven to move in a reciprocating mode, the functions of blowing away impurities and cleaning are achieved in sequence, and meanwhile compared with an existing mode of arranging a water tank, the pressure of the building body can be reduced, and the service life can be prolonged.

Description

Technical Field

[0001] The present invention relates to the technical field of photovoltaic energy storage devices, and in particular to a photovoltaic energy storage device based on photovoltaic building integration. Background Art

[0002] Photovoltaic energy storage refers to the process of converting solar energy into electrical energy using photovoltaic power generation technology and storing it for subsequent use. Photovoltaic energy storage systems mainly include components such as photovoltaic panels, energy storage devices (such as battery packs) and photovoltaic inverters. When the light conditions are good, photovoltaic panels convert solar energy into DC electricity and input it into energy storage devices for storage. The energy storage devices can be batteries, supercapacitors or other energy storage technologies.

[0003] The inverter of the photovoltaic energy storage device converts DC power into AC power so that it can be used by ordinary electrical equipment. During the discharge process of the energy storage device, the stored power can be output through the inverter and supplied to the power grid or used for the power needs of households and industrial equipment. The advantage of the photovoltaic energy storage device is that it can convert solar energy into electrical energy for storage and backup to cope with unstable lighting conditions and achieve sustainable use of solar energy. At the same time, the photovoltaic energy storage system can store electrical energy so that it can be supplied and used when needed, reducing dependence on the power grid and improving energy reliability and sustainability.

[0004] For example, the patent named: Photovoltaic energy storage device based on photovoltaic building integration (patent application number: CN202311180710.2) discloses a photovoltaic energy storage device based on photovoltaic building integration. A collection component for collecting rainwater is arranged in the top area of ​​the building body. The collection component includes a water tank. The water tank is located in the middle area of ​​the top of the photovoltaic panel. A groove for accumulating rainwater is opened on the top of the water tank. When the water tank is in rainy conditions, the groove opened on the top of the water tank causes the inner end of the water tank to be in an open state, and rainwater is collected through the groove to provide a power source for the subsequent sliding of the translation plate. However, the collection component is heavy, especially when a lot of rainwater accumulates inside the water tank, it will bring pressure to the building body, posing a safety hazard, and its utilization efficiency needs to be improved. Therefore, it is necessary to propose a photovoltaic energy storage device based on photovoltaic building integration to solve the above problems. Summary of the invention

[0005] The purpose of the present invention is to provide a photovoltaic energy storage device based on photovoltaic building integration to solve the problem that the collection components are heavy, especially when a lot of rainwater accumulates inside the water tank, it will bring pressure to the building body, there are safety hazards, and the utilization efficiency needs to be improved.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a photovoltaic energy storage device based on photovoltaic building integration, comprising a building body, photovoltaic panels are laid on both sides of the top of the building body, a first sliding box is arranged on one side of the photovoltaic panel, the first sliding box is fixedly connected to the building body, a first sliding block is slidably arranged inside the first sliding box, an air cavity and a liquid cavity are opened inside the first sliding block, and the liquid cavity is close to the middle of the top of the building body; A first square tube is slidably provided on the side of the first slider, and the first square tube is connected to the air cavity, one end of the first square tube located outside the air cavity is connected to an air box, and an air hole is penetrated through the bottom of the air box, a second square tube is slidably provided on the side of the first slider, and the second square tube is connected to the liquid cavity, one end of the second square tube located outside the liquid cavity is connected to a liquid box, and a liquid hole is penetrated through the bottom of the liquid box, a second airbag is provided at one end of the first sliding box close to the liquid cavity, and a first airbag is provided at one end of the first sliding box close to the air cavity. When the second airbag is filled with water, the first square tube and the second square tube are driven to move by the first slider, and at the same time the first airbag is squeezed, and the gas inside the first airbag is sprayed toward the photovoltaic panel through the air box and the air hole.

[0007] Preferably, one end of the first airbag is fixedly connected to the first slider, and the other end of the first airbag is fixedly connected to the inner wall of the first slide box. The first slider is provided with a first through groove, and the first airbag is connected to the air cavity through the first through groove. A first one-way valve is fixedly installed inside the first through groove.

[0008] Preferably, a first spring is disposed inside the first airbag.

[0009] Preferably, one end of the second airbag is fixedly connected to the first slider, and the other end of the second airbag is fixedly connected to the inner wall of the first slide box. The first slider is provided with a second through groove, and the second airbag is connected to the liquid cavity through the second through groove, and an electromagnetic valve is fixedly installed inside the second through groove.

[0010] Preferably, the end of the second airbag away from the first slider is connected to a water pipe, and the ends of the two water pipes close to each other are connected to a three-way joint, and the other joint of the three-way joint is used for connecting to an external water supply device.

[0011] Preferably, the air holes are arranged in a plurality and the plurality of air holes are evenly distributed.

[0012] Preferably, a groove is provided on the lower surface of the air box, a slide plate is slidably provided inside the groove, a cleaning brush is fixedly connected to the bottom of the slide plate, an elastic telescopic rod is fixedly connected to the top of the groove, and the slide plate is fixedly connected to the bottom end of the elastic telescopic rod.

[0013] Preferably, the liquid holes are provided in plurality, and the plurality of liquid holes are evenly distributed.

[0014] Preferably, one end of the first airbag away from the first slider is connected to an air intake pipe, one end of the air intake pipe away from the first airbag is connected to the external atmospheric environment, and a second one-way valve is fixedly installed on the air intake pipe.

[0015] Preferably, a second slide box is provided on the side of the photovoltaic panel facing away from the first slide box, the second slide box is fixedly connected to the building body, a second sliding block is slidingly provided inside the second slide box, a slide groove is provided on a side of the second sliding block close to the photovoltaic panel, the slide groove is provided with two, a slide rod is slidingly provided inside the slide groove, one slide rod is fixedly connected to the air box, and the other slide rod is fixedly connected to the liquid box, a second spring is provided inside the slide groove, one end of the second spring is fixedly connected to the inner wall of the slide groove, and the other end of the second spring is fixedly connected to the slide rod, an arc block is fixedly connected to a side of the first slide box close to the photovoltaic panel, the arc blocks are provided in plurality, the plurality of arc blocks are evenly distributed, and the air box and the liquid box both cooperate with the arc blocks.

[0016] Technical effects and advantages of the present invention: The present invention drives the air box and the liquid box to move back and forth through the cooperation of the first air bag and the second air bag and realizes the functions of blowing away impurities and cleaning in turn. Compared with the existing method of setting a water tank, the pressure of the building body can be reduced and the service life can be extended. The contraction elastic force of the second airbag cooperates with the return elastic force of the first spring to increase the water speed and improve the cleaning effect; By setting structures such as arc blocks and second springs, the gas box and liquid box can swing back and forth while moving, thereby expanding the cleaning range and improving the cleaning effect; When the first slider drives the air box to move, the cleaning brush is attached to the photovoltaic panel under the elastic force of the elastic telescopic rod to ensure the cleaning effect; when the air box moves to be offset from the photovoltaic panel, that is, close to the edge of the top of the building body, the elastic force of the elastic telescopic rod causes the slide plate and the cleaning brush to bounce apart, and the dust remaining on the cleaning brush can be shaken off. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the structure of the photovoltaic energy storage device based on photovoltaic building integration of the present invention.

[0018] Figure 2 For the present invention Figure 1 A schematic diagram of the enlarged structure in the middle.

[0019] Figure 3 For the present invention Figure 1 Enlarged schematic diagram of the structure at point B in the middle.

[0020] Figure 4 It is a schematic diagram of the structure of the first sliding box and the second sliding box of the present invention.

[0021] Figure 5 For the present invention Figure 4 Enlarged schematic diagram of the structure at point C in the middle.

[0022] Figure 6 For the present invention Figure 4 Enlarged schematic diagram of the structure at point D in the middle.

[0023] Figure 7 For the present invention Figure 4 Enlarged schematic diagram of the structure at point E in the middle.

[0024] Figure 8 It is a schematic diagram of the structure of the building body and the first sliding box of the present invention.

[0025] Fig. 9 For the present invention Figure 8 Enlarged schematic diagram of the structure at F in the middle.

[0026] Fig.10 It is a schematic diagram of the structure of the first slider and the second slider of the present invention.

[0027] In the figure: 1. building body; 2. photovoltaic panel; 3. first slide box; 4. second slide box; 5. first slider; 6. air cavity; 7. liquid cavity; 8. arc block; 9. first air bag; 10. first through groove; 11. first one-way valve; 12. first spring; 13. air inlet pipe; 14. second one-way valve; 15. second air bag; 16. water pipe; 17. three-way joint; 18. second slider; 19. air box; 20. first square tube; 21. slide rod; 22. slide groove; 23. second spring; 24. air hole; 25. groove; 26. slide plate; 27. cleaning brush; 28. elastic telescopic rod; 29. ​​liquid box; 30. second square tube; 31. second through groove; 32. solenoid valve; 33. liquid hole. DETAILED DESCRIPTION

[0028] The present invention provides Figures 1 to 10 The photovoltaic energy storage device based on photovoltaic building integration shown includes a building body 1, and photovoltaic panels 2 are laid on both sides of the top of the building body 1.

[0029] In specific use, photovoltaic energy storage refers to the use of photovoltaic power generation technology to convert solar energy into electrical energy and store it for subsequent use. When the light conditions are good, the photovoltaic panel 2 converts solar energy into DC power and inputs it into the energy storage device for storage. The energy storage device can be a battery, supercapacitor or other energy storage technology, which is used to store electrical energy so that it can be used for power supply when there is insufficient light or no light.

[0030] Most of the existing photovoltaic energy storage systems place photovoltaic panels 2 on the roof to absorb solar energy. Since the surface of the photovoltaic panels 2 is exposed to the outside for a long time, when encountering windy, rainy and snowy weather, dust in the air can easily adhere to the surface of the photovoltaic panels 2, resulting in a reduction in the illuminated area, affecting the efficiency of solar energy absorption.

[0031] In order to address the above problems, the present invention provides a first sliding box 3 on one side of the photovoltaic panel 2. The first sliding box 3 is fixedly connected to the building body 1. A first sliding block 5 is slidingly provided inside the first sliding box 3. To improve the sliding stability, the first sliding block 5 is T-shaped. An air cavity 6 and a liquid cavity 7 are provided inside the first sliding block 5, and the liquid cavity 7 is close to the middle of the top of the building body 1.

[0032] The first square tube 20 is slidably provided on the side of the first slider 5, and the first square tube 20 is connected to the air cavity 6. One end of the first square tube 20 located outside the air cavity 6 is connected to the air box 19. The bottom of the air box 19 is penetrated with air holes 24. The air holes 24 are provided in multiple numbers and are evenly distributed. The gas is sprayed from the air box 19 and the air holes 24 toward the photovoltaic panel 2, and impurities such as floating dust and leaves on the surface of the photovoltaic panel 2 can be blown away, thereby achieving the function of blowing away impurities. When blowing away impurities, the first slider 5 moves toward the downwardly inclined end of the photovoltaic panel 2.

[0033] The air hole 24 is arranged obliquely (refer to Fig. 9 ), when the air box 19 moves, the gas blown out from the air holes 24 acts obliquely on the photovoltaic panel 2.

[0034] When the first slider 5 slides inside the first sliding box 3 , the air box 19 will be driven to move synchronously through the first square tube 20 , so as to facilitate the overall blowing and cleaning of the photovoltaic panel 2 .

[0035] A second square tube 30 is slidably provided on the side of the first slider 5, and the second square tube 30 is connected to the liquid chamber 7. One end of the second square tube 30 located outside the liquid chamber 7 is connected to the liquid box 29. A liquid hole 33 is provided through the bottom of the liquid box 29. The liquid holes 33 are provided in a plurality and are evenly distributed. After cleaning the floating dust, leaves, etc. on the photovoltaic panel 2, water is sprayed to the photovoltaic panel 2 through the liquid holes 33 to achieve the cleaning function.

[0036] A first airbag 9 is provided at one end of the first slide box 3 close to the air cavity 6, one end of the first airbag 9 is fixedly connected to the first slider 5, and the other end of the first airbag 9 is fixedly connected to the inner wall of the first slide box 3. A first through groove 10 is provided on the first slider 5, and the first airbag 9 is connected with the air cavity 6 through the first through groove 10. A first one-way valve 11 is fixedly installed inside the first through groove 10. The first one-way valve 11 is provided so that the gas in the first airbag 9 can flow into the air cavity 6 without flowing in the opposite direction.

[0037] The end of the first airbag 9 away from the first slider 5 is connected to the air intake pipe 13, and the end of the air intake pipe 13 away from the first airbag 9 is connected to the external atmospheric environment. The second one-way valve 14 is fixedly installed on the air intake pipe 13. The second one-way valve 14 is set so that the external air can enter the interior of the first airbag 9 through the air intake pipe 13 without reverse flow. When used specifically, a filter net can be set at the air intake pipe 13 to filter dust and the like, and the port of the air intake pipe 13 can be set away from the photovoltaic panel 2 to avoid being affected by dust.

[0038] A first spring 12 is disposed inside the first airbag 9 , one end of the first spring 12 abuts against a position of the first airbag 9 close to the first slider 5 , that is, close to the first slider 5 ; the other end of the first spring 12 abuts against a position of the first airbag 9 close to the intake pipe 13 .

[0039] When the first slider 5 slides inside the first sliding box 3 and squeezes the first airbag 9, the first spring 12 is squeezed and contracted at the same time, and the gas inside the first airbag 9 enters the interior of the air cavity 6 through the first through groove 10, and enters the interior of the air box 19 through the first square tube 20, and then sprays toward the photovoltaic panel 2 through the air hole 24 to blow away impurities such as floating dust and leaves on the surface of the photovoltaic panel 2.

[0040] When the first slider 5 is reset, external air can enter the first airbag 9 through the air inlet pipe 13, which is convenient for subsequent use.

[0041] A second airbag 15 is disposed at one end of the first slide box 3 close to the liquid cavity 7, one end of the second airbag 15 is fixedly connected to the first slider 5, and the other end of the second airbag 15 is fixedly connected to the inner wall of the first slide box 3. A second through groove 31 is provided on the first slider 5, and the second airbag 15 is connected to the liquid cavity 7 through the second through groove 31, and a solenoid valve 32 is fixedly installed inside the second through groove 31.

[0042] The end of the second airbag 15 away from the first slider 5 is connected to a water pipe 16, and the ends of the two water pipes 16 close to each other are connected to a three-way joint 17. The other joint of the three-way joint 17 is used to connect to an external water supply device, which includes a water pump and other structures. The water supply device is a common existing technology and will not be described here.

[0043] During specific use, an electric control valve (not shown in the figure) can be arranged at a position of the water delivery pipe 16 near the three-way joint 17 to prevent water from flowing back toward the water delivery equipment.

[0044] When water is filled into the second airbag 15 by the water delivery equipment, the second airbag 15 expands and becomes larger, pushing the first slider 5 to move toward the first airbag 9. The first slider 5 drives the first square tube 20 and the second square tube 30 to move synchronously. At the same time, the first airbag 9 is squeezed. With the cooperation of the first one-way valve 11 and the second one-way valve 14, the gas inside the first airbag 9 is sprayed toward the photovoltaic panel 2 through the air box 19 and the air hole 24, so as to blow away impurities such as floating dust and leaves on the surface of the photovoltaic panel 2.

[0045] Next, the water supply is stopped and the solenoid valve 32 is opened. The contraction elastic force of the second airbag 15 and the restoring elastic force of the first spring 12 cause the first slider 5 to slide and reset inside the first slide box 3. During this process, the water inside the second airbag 15 enters the interior of the liquid box 29 through the second through groove 31 and the second square tube 30, and is sprayed toward the photovoltaic panel 2 through the liquid hole 33, and the impurities on the surface of the photovoltaic panel 2 are blown away for cleaning.

[0046] At the same time, external air can enter the interior of the first airbag 9 through the air intake pipe 13, which is convenient for subsequent use.

[0047] In addition, the contraction force of the second airbag 15 cooperates with the return force of the first spring 12 to increase the water speed and improve the cleaning effect.

[0048] Through the cooperation of the first airbag 9 and the second airbag 15 and other structures, the air box 19 and the liquid box 29 are driven to move back and forth, and the functions of blowing away impurities and cleaning are successively realized. At the same time, compared with the existing way of setting up a water tank, the pressure of the building body 1 can be reduced and the service life can be extended.

[0049] A second slide box 4 is provided on the side of the photovoltaic panel 2 facing away from the first slide box 3. The second slide box 4 is fixedly connected to the building body 1. A second slider 18 is slidably provided inside the second slide box 4. A slide groove 22 is provided on the side of the second slider 18 close to the photovoltaic panel 2. Two slide grooves 22 are provided. A slide bar 21 is slidably provided inside the slide groove 22. One of the slide bars 21 is fixedly connected to the air box 19, and the other slide bar 21 is fixedly connected to the liquid box 29. When the first slider 5 drives the air box 19 and the liquid box 29 to move, the second slider 18 slides inside the second slide box 4. The second slide box 4, the slide bar 21 and other structures can improve the sliding stability of the air box 19 and the liquid box 29.

[0050] A second spring 23 is arranged inside the slide groove 22, one end of the second spring 23 is fixedly connected to the inner wall of the slide groove 22, and the other end of the second spring 23 is fixedly connected to the slide rod 21. An arc block 8 is fixedly connected to one side of the first slide box 3 close to the photovoltaic panel 2. There are multiple arc blocks 8, and the multiple arc blocks 8 are evenly distributed. The air box 19 and the liquid box 29 are both matched with the arc blocks 8.

[0051] When the first slider 5 drives the air box 19 to move, when the air box 19 contacts the arc block 8, it will squeeze the air box 19 to move toward the second slider 4. When the air box 19 is offset from the arc block 8, the corresponding second spring 23 resets the air box 19, so that the air box 19 can swing while moving; in addition, the liquid box 29 can also swing while moving.

[0052] By providing structures such as the arc block 8 and the second spring 23, the air box 19 and the liquid box 29 can swing back and forth while moving, thereby expanding the cleaning range and improving the cleaning effect.

[0053] To ensure cleaning efficiency, a groove 25 is provided on the lower surface of the air box 19, a slide plate 26 is slidably provided inside the groove 25, and a cleaning brush 27 is fixedly connected to the bottom of the slide plate 26. An elastic telescopic rod 28 is fixedly connected to the top of the groove 25, and the slide plate 26 is fixedly connected to the bottom end of the elastic telescopic rod 28.

[0054] When the first slider 5 drives the air box 19 to move, under the elastic force of the elastic telescopic rod 28, the cleaning brush 27 is attached to the photovoltaic panel 2 to ensure the cleaning effect; when the air box 19 moves to be offset from the photovoltaic panel 2, that is, close to the edge of the top of the building body 1, the elastic force of the elastic telescopic rod 28 causes the slide plate 26 and the cleaning brush 27 to bounce off, and the dust remaining on the cleaning brush 27 can be shaken off, and the bounce distance is limited, which does not affect the first slider 5 to drive the cleaning brush 27 to stick to the photovoltaic panel 2 again when it is reset.

Claims

1. A photovoltaic energy storage device based on photovoltaic building integration, comprising a building body (1), characterized in that: Photovoltaic panels (2) are laid on both sides of the top of the building body (1); a first sliding box (3) is provided on one side of the photovoltaic panel (2); the first sliding box (3) is fixedly connected to the building body (1); a first sliding block (5) is slidably provided inside the first sliding box (3); an air cavity (6) and a liquid cavity (7) are provided inside the first sliding block (5); and the liquid cavity (7) is close to the middle of the top of the building body (1); A first square tube (20) is slidably provided on the side of the first slider (5), and the first square tube (20) is in communication with the air cavity (6); one end of the first square tube (20) located outside the air cavity (6) is in communication with the air box (19); an air hole (24) is provided through the bottom of the air box (19); a second square tube (30) is slidably provided on the side of the first slider (5), and the second square tube (30) is in communication with the liquid cavity (7); one end of the second square tube (30) located outside the liquid cavity (7) is in communication with the liquid box (29); A liquid hole (33) is formed through the bottom of the liquid box (29); a second air bag (15) is arranged at one end of the first slide box (3) close to the liquid cavity (7); a first air bag (9) is arranged at one end of the first slide box (3) close to the gas cavity (6); when the second air bag (15) is filled with water, the first square tube (20) and the second square tube (30) are driven to move by the first slider (5); at the same time, the first air bag (9) is squeezed, and the gas inside the first air bag (9) is sprayed toward the photovoltaic panel (2) through the air box (19) and the air hole (24).

2. The photovoltaic energy storage device based on photovoltaic building integration according to claim 1 is characterized in that: One end of the first airbag (9) is fixedly connected to the first slider (5), and the other end of the first airbag (9) is fixedly connected to the inner wall of the first slide box (3). The first slider (5) is provided with a first through groove (10), and the first airbag (9) is connected to the air cavity (6) through the first through groove (10). A first one-way valve (11) is fixedly installed inside the first through groove (10).

3. The photovoltaic energy storage device based on photovoltaic building integration according to claim 2 is characterized in that: A first spring (12) is arranged inside the first airbag (9).

4. The photovoltaic energy storage device based on photovoltaic building integration according to claim 1 is characterized in that: One end of the second airbag (15) is fixedly connected to the first slider (5), and the other end of the second airbag (15) is fixedly connected to the inner wall of the first slide box (3). The first slider (5) is provided with a second through groove (31), and the second airbag (15) is connected to the liquid chamber (7) through the second through groove (31). A solenoid valve (32) is fixedly installed inside the second through groove (31).

5. The photovoltaic energy storage device based on photovoltaic building integration according to claim 4 is characterized in that: The end of the second airbag (15) away from the first slider (5) is connected to a water pipe (16), and the ends of the two water pipes (16) close to each other are connected to a three-way joint (17), and the other joint of the three-way joint (17) is used for connecting to an external water supply device.

6. The photovoltaic energy storage device based on photovoltaic building integration according to claim 1 is characterized in that: The air holes (24) are arranged in a plurality, and the plurality of air holes (24) are evenly distributed.

7. The photovoltaic energy storage device based on photovoltaic building integration according to claim 1 is characterized in that: The lower surface of the air box (19) is provided with a groove (25), a slide plate (26) is slidably provided inside the groove (25), a cleaning brush (27) is fixedly connected to the bottom of the slide plate (26), an elastic telescopic rod (28) is fixedly connected to the top of the groove (25), and the slide plate (26) is fixedly connected to the bottom end of the elastic telescopic rod (28).

8. The photovoltaic energy storage device based on photovoltaic building integration according to claim 1 is characterized in that: The liquid holes (33) are arranged in a plurality, and the plurality of liquid holes (33) are evenly distributed.

9. The photovoltaic energy storage device based on photovoltaic building integration according to claim 1 is characterized in that: One end of the first airbag (9) away from the first slider (5) is connected to an air intake pipe (13), and one end of the air intake pipe (13) away from the first airbag (9) is connected to the external atmospheric environment. A second one-way valve (14) is fixedly mounted on the air intake pipe (13).

10. The photovoltaic energy storage device based on photovoltaic building integration according to claim 1 is characterized in that: A second slide box (4) is provided on the side of the photovoltaic panel (2) facing away from the first slide box (3); the second slide box (4) is fixedly connected to the building body (1); a second slider (18) is slidably provided inside the second slide box (4); a slide groove (22) is provided on a side of the second slider (18) close to the photovoltaic panel (2); two slide grooves (22) are provided; a slide rod (21) is slidably provided inside the slide groove (22); one of the slide rods (21) is fixedly connected to the air box (19); and the other slide rod (21) is slidably provided inside the second slide box (4). The rod (21) is fixedly connected to the liquid box (29); a second spring (23) is arranged inside the slide groove (22); one end of the second spring (23) is fixedly connected to the inner wall of the slide groove (22); the other end of the second spring (23) is fixedly connected to the slide rod (21); an arc block (8) is fixedly connected to a surface of the first slide box (3) close to the photovoltaic panel (2); a plurality of arc blocks (8) are arranged; the plurality of arc blocks (8) are evenly distributed; the air box (19) and the liquid box (29) are both matched with the arc blocks (8).

Images