CN118100779A - Photovoltaic power generation panel surface cleaning device and cleaning method thereof - Google Patents

Abstract

The invention discloses a cell panel surface cleaning device for photovoltaic power generation and a cleaning method thereof, comprising a cleaning trolley, wherein a plurality of support columns are fixedly arranged on the top side of the cleaning trolley, the top ends of the plurality of support columns are fixedly provided with the same placing platform, one side of the placing platform is provided with a cleaning panel through a rotating assembly, one side of the cleaning panel is provided with a middle hole, and a wiping plate is movably arranged in the middle hole.

Description

Photovoltaic power generation panel surface cleaning device and cleaning method thereof

Technical Field

The present invention relates to the technical field of battery panel cleaning, and in particular to a battery panel surface cleaning device for photovoltaic power generation and a cleaning method thereof.

Background technique

Photovoltaic power generation is a technology that uses the photovoltaic effect of semiconductor interfaces to directly convert light energy into electrical energy. It is mainly composed of three parts: solar panels (modules), controllers and inverters. The main components are made of electronic components. With the development of photovoltaic power generation, solar panels are mostly placed in arrays in open fields. However, dust and other particles in the air will accumulate on the solar panels as they are used, thereby affecting the absorption and conversion of the solar panels. Therefore, the solar panels need to be cleaned regularly.

When cleaning the surface of a solar panel, the traditional cleaning method is for the staff to manually participate in wiping the solar panel with a mop or a scraper. The wiping speed is slow and time-consuming. Therefore, a surface cleaning device for a photovoltaic power generation solar panel is proposed.

Summary of the invention

In view of the deficiencies in the prior art, the present invention provides a photovoltaic panel surface cleaning device and a cleaning method thereof, which are used to solve the above problems.

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

A photovoltaic panel surface cleaning device comprises a cleaning mobile vehicle, a plurality of support columns are fixedly mounted on the top side of the cleaning mobile vehicle, a same placement platform is fixedly mounted on the top ends of the plurality of support columns, a cleaning plate is mounted on one side of the placement platform via a rotating assembly, a middle hole is provided on one side of the cleaning plate, a wiping plate is movably mounted in the middle hole, the wiping plate and the cleaning plate are connected via a reciprocating moving assembly, a bottom groove is provided on the bottom side of the wiping plate, a panel cleaning assembly is mounted in the bottom groove, a water tank is mounted on the top side of the placement platform, a water supply assembly is provided on the water tank, the water supply assembly is connected to the wiping plate, and a telescopic support assembly is provided between the placement platform and the cleaning plate.

Preferably, the solar panel cleaning assembly includes a rotating motor fixedly mounted on the inner wall of one side of the bottom groove, the output end of the rotating motor is connected to a cleaning roller brush, and multiple rotating motors are fixedly mounted on the inner wall of the bottom groove, the output end of the rotating motor is connected to a rotating wiping disk, and the rotating wiping disk is located on one side of the cleaning roller brush.

Preferably, a fixing plate is fixedly mounted on the inner wall of the bottom side of the bottom groove, a rubber scraper is mounted on the bottom side of the fixing plate, and the rubber scraper is located on one side of the rotating wiping disc.

Preferably, the water delivery assembly includes a water pump fixedly mounted on the inner wall of the bottom side of the water tank, the output end of the water pump is connected to a telescopic water delivery pipe, one end of the telescopic water delivery pipe is connected to a water distribution pipe, the bottom side of the water distribution pipe is connected to a first mounting pipe and a second mounting pipe, and a plurality of cleaning nozzles are mounted on the bottom sides of the first mounting pipe and the second mounting pipe.

Preferably, the first mounting tube and the second mounting tube are located on both sides of the rotating wiping disc, and an adding cover is provided on the top side of the water tank.

Preferably, the rotating assembly includes a rotating support rod fixedly mounted on the top side of the placement platform, and the rotating support rod is rotatably connected to the cleaning plate.

Preferably, the reciprocating moving component includes side rectangular grooves opened on the inner walls on both sides of the central hole, two driving motors are fixedly installed on one side of the cleaning plate, the output ends of the two driving motors respectively extend into the two side rectangular grooves, and are fixedly installed with rotating screws, and screw moving blocks are fixedly installed on both sides of the wiping plate, and the two screw moving blocks are respectively threadedly sleeved on the two rotating screws.

Preferably, the telescopic support assembly includes a side slope opened on one side of the placement platform, one end of the telescopic hydraulic cylinder is rotatably mounted on one side of the side slope, and the other end of the telescopic hydraulic cylinder is rotatably mounted on one side of the cleaning plate.

A method for cleaning the surface of a photovoltaic panel, the method comprising:

Step 1: When cleaning the surface of a solar panel used for photovoltaic power generation, move the cleaning mobile vehicle to one side of the solar panel to be cleaned, and then adjust the position of the cleaning plate through the telescopic hydraulic cylinder on the telescopic support assembly so that the cleaning plate is located above the solar panel, and the cleaning roller brush, rotating wiping disc and rubber scraper below can contact the top side of the solar panel;

Step 2: Start the driving motor on the back and forth moving component. The driving motor is a forward and reverse motor, which drives the rotating screw to rotate. After rotating, under the action of the screw moving block, the wiping plate can be driven to move downward. The screw moving block is set in a rectangular shape and matches the size of the side rectangular groove. During the downward movement of the wiping plate, the rotating motor is driven to operate, driving the cleaning roller brush to rotate. After the cleaning roller brush rotates, the dust on the surface of the solar panel can be cleaned first. At the same time, the rotating motor runs to drive the rotating wiping disk to rotate. After the rotating wiping disk rotates, the surface of the solar panel can be cleaned again. One side of the rotating wiping disk is a sponge.

Step 3: During the wiping process, the water pump on the water delivery component is driven to operate, the aqueous solution in the water tank is pumped out, and the aqueous solution is sprayed out from the cleaning nozzles on the first mounting tube and the second mounting tube respectively through the telescopic water delivery pipe and the water distribution pipe. The two water spraying positions are located on both sides of the rotating wiping disk. The solar panels can be effectively cleaned by spraying water at the two positions and cleaning. The rubber scraper is located at the last position to scrape off the aqueous solution, so that the surface of the solar panel can be relatively clean.

Step 4: After the downward cleaning is completed, the telescopic hydraulic cylinder on the telescopic support assembly is started to prop up the cleaning board, so that the cleaning roller brush and the rotating wiping disc can be separated from the solar panel. After separation, the drive motor is reversed to return the wiping board to its original position, and the cleaning mobile vehicle moves forward a certain distance to the next location where the solar panel needs to be cleaned, and then the cleaning board is put down for the next cleaning.

Compared with the prior art, the present invention has the following beneficial effects:

1. In the present invention, the photovoltaic panel surface cleaning device adjusts the position of the cleaning plate by telescopically supporting the assembly, so that the cleaning plate is located above the solar panel, and the cleaning roller brush, rotating wiping disc and rubber scraper below can contact the top side of the solar panel, and the driving motor on the back-and-forth moving assembly is started to drive the wiping plate to move downward. During the downward movement of the wiping plate, the rotating motor is driven to drive the cleaning roller brush to rotate. After the cleaning roller brush rotates, the dust on the surface of the solar panel can be cleaned first, and at the same time, the rotating motor is driven to drive the rotating wiping disc to rotate. After the rotating wiping disc rotates, the surface of the solar panel can be cleaned again;

2. In the present invention, during the wiping process, the water pump on the water delivery component is driven to operate, the aqueous solution in the water tank is pumped out, and the aqueous solution is sprayed out from the cleaning nozzles on the first mounting tube and the second mounting tube respectively through the telescopic water delivery pipe and the water distribution pipe. The two water spraying positions are located on both sides of the rotating wiping disk. By spraying water at the two positions and coordinating the cleaning, the solar panel can be effectively cleaned. The rubber scraper is located at the last position to scrape off the aqueous solution, so that the surface of the solar panel can be relatively clean.

3. In the present invention, after the downward movement for cleaning is completed, the telescopic hydraulic cylinder on the telescopic supporting assembly is started to operate, so that the cleaning plate can be supported, and the cleaning roller brush and the rotating wiping disk can be separated from the solar panel. After separation, the driving motor is reversed to return the wiping plate to its original position, and the cleaning mobile vehicle moves forward a certain distance to the next position where the solar panel needs to be cleaned, and then the cleaning plate is put down for the next cleaning. During the cleaning process, mechanized and automatic cleaning is used, and the staff does not need to wipe back and forth for cleaning, which greatly reduces the staff's workload and greatly improves the cleaning speed.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a schematic diagram of a left-side stereoscopic structure of the present invention;

FIG2 is a schematic diagram of the structure of the present invention when viewed from the right;

FIG3 is a schematic cross-sectional view of the structure of the present invention;

FIG4 is a schematic diagram of a partial cross-section of the structure of the present invention;

FIG. 5 is a schematic structural diagram of part A in FIG. 3 of the present invention.

In the figure: 1. Cleaning mobile vehicle; 2. Support column; 3. Placing platform; 4. Rotating support rod; 5. Cleaning plate; 6. Middle hole; 7. Side rectangular groove; 8. Driving motor; 9. Rotating screw; 10. Screw moving block; 11. Wiping plate; 12. Bottom groove; 13. Rotating motor; 14. Cleaning roller brush; 15. Rotating motor; 16. Rotating wiping disc; 17. Fixed plate; 18. Rubber scraper; 19. Water tank; 20. Adding cover; 21. Water pump; 22. Telescopic water pipe; 23. Water distribution pipe; 24. First installation pipe; 25. Second installation pipe; 26. Cleaning nozzle; 27. Side slope; 28. Telescopic hydraulic cylinder.

Detailed ways

The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

In the description of this patent, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, which are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention; the terms "first", "second", and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance; in addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a connection between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in this patent can be understood according to specific circumstances.

Embodiment: With reference to Figures 1-5, a photovoltaic panel surface cleaning device comprises a cleaning mobile vehicle 1, a plurality of support columns 2 are fixedly mounted on the top side of the cleaning mobile vehicle 1, a same placement platform 3 is fixedly mounted on the top ends of the plurality of support columns 2, a cleaning plate 5 is mounted on one side of the placement platform 3 via a rotating assembly, a middle hole 6 is provided on one side of the cleaning plate 5, a wiping plate 11 is movably mounted in the middle hole 6, the wiping plate 11 and the cleaning plate 5 are connected via a reciprocating moving assembly, a bottom groove 12 is provided on the bottom side of the wiping plate 11, a panel cleaning assembly is mounted in the bottom groove 12, a water tank 19 is mounted on the top side of the placement platform 3, a water supply assembly is provided on the water tank 19, the water supply assembly is connected to the wiping plate 11, a telescopic support assembly is provided between the placement platform 3 and the cleaning plate 5.

As a technical optimization scheme of the present invention, the reciprocating moving component includes side rectangular grooves 7 opened on the inner walls on both sides of the central hole 6, two driving motors 8 are fixedly installed on one side of the cleaning plate 5, the output ends of the two driving motors 8 extend into the two side rectangular grooves 7 respectively, and are fixedly installed with rotating screws 9, and screw moving blocks 10 are fixedly installed on both sides of the wiping plate 11, and the two screw moving blocks 10 are respectively threadedly sleeved on the two rotating screws 9, and the driving motor 8 on the reciprocating moving component is started to run. The driving motor 8 is a forward and reverse motor, which drives the rotating screw 9 to rotate. After rotation, under the action of the screw moving block 10, the wiping plate 11 can be driven to move downward, and the screw moving block 10 is arranged in a rectangular shape and matches the size of the side rectangular groove 7. In the process of downward movement of the wiping plate 11, the rotating motor 13 is driven to operate, and the cleaning roller brush 14 is driven to rotate. After the cleaning roller brush 14 rotates, the dust on the surface of the solar panel can be cleaned first. At the same time, the rotating motor 15 is operated to drive the rotating wiping disk 16 to rotate. After the rotating wiping disk 16 rotates, the surface of the solar panel can be cleaned again. One side of the rotating wiping disk 16 is a sponge. The solar panel cleaning assembly includes a rotating motor 13 fixedly mounted on the inner wall of one side of the bottom groove 12, and the output end of the rotating motor 13 is connected to the cleaning roller brush 14. A plurality of rotating motors 15 are fixedly mounted on the inner wall of the bottom groove 12, and the output end of the rotating motor 15 is connected to the rotating wiping disk 16, which is located on one side of the cleaning roller brush 14.

As a technical optimization solution of the present invention, a fixing plate 17 is fixedly installed on the inner wall of the bottom side of the bottom groove 12, and a rubber scraper 18 is installed on the bottom side of the fixing plate 17. The rubber scraper 18 is located on one side of the rotating wiping disk 16. The water delivery component includes a water pump 21 fixedly installed on the inner wall of the bottom side of the water tank 19, and the output end of the water pump 21 is connected to a telescopic water delivery pipe 22, and one end of the telescopic water delivery pipe 22 is connected to a water distribution pipe 23. The bottom side of the water distribution pipe 23 is connected to a first installation pipe 24 and a second installation pipe 25. The bottom sides of the first installation pipe 24 and the second installation pipe 25 are both installed with a plurality of cleaning nozzles 26. The first installation pipe 24 and the second installation pipe 25 are connected to the bottom side of the first installation pipe 24 and the second installation pipe 25. The mounting pipes 25 are located on both sides of the rotating wiping disc 16, and a filling cover 20 is provided on the top side of the water tank 19. During the wiping process, the water pump 21 on the water delivery assembly is driven to operate, and the aqueous solution in the water tank 19 is pumped out, and is sprayed out from the cleaning nozzles 26 on the first mounting pipe 24 and the second mounting pipe 25 respectively through the telescopic water delivery pipe 22 and the water distribution pipe 23. The two water spraying positions are located on both sides of the rotating wiping disc 16. By spraying water at the two positions and cooperating with cleaning, the solar panel can be effectively cleaned. The rubber scraper 18 is arranged at the last position to scrape off the aqueous solution, so that the surface of the solar panel can be relatively clean.

As a technical optimization scheme of the present invention, the rotating assembly includes a rotating support rod 4 fixedly mounted on the top side of the placement platform 3, the rotating support rod 4 is rotatably connected to the cleaning plate 5, and the telescopic support assembly includes a side slope 27 opened on one side of the placement platform 3, and one end of the telescopic hydraulic cylinder 28 is rotatably mounted on one side of the side slope 27, and the other end of the telescopic hydraulic cylinder 28 is rotatably mounted on one side of the cleaning plate 5. The position of the cleaning plate 5 is adjusted by the telescopic hydraulic cylinder 28 on the telescopic support assembly, so that the cleaning plate 5 is located above the solar panel, and the cleaning roller brush 14, the rotating wiping disc 16 and the rubber scraper 18 below can contact the top side of the solar panel. After the downward movement and cleaning are completed, the telescopic hydraulic cylinder 28 on the telescopic support assembly is started to operate, so that the cleaning plate 5 can be propped up, and the cleaning roller brush 14 and the rotating wiping disc 16 can be separated from the solar panel. After separation, the driving motor 8 is reversed, so that the wiping plate 11 can be returned to its position, and the cleaning mobile vehicle 1 moves forward a distance to the next position where the solar energy needs to be cleaned, and then the cleaning plate 5 is put down for the next cleaning.

A method for cleaning the surface of a photovoltaic panel, the method comprising:

Step 1: When cleaning the surface of the solar panel used for photovoltaic power generation, move the cleaning mobile vehicle 1 to one side of the solar panel to be cleaned, and then adjust the position of the cleaning plate 5 by the telescopic hydraulic cylinder 28 on the telescopic support assembly, so that the cleaning plate 5 is located above the solar panel, and the cleaning roller brush 14, the rotating wiping disc 16 and the rubber scraper 18 below can contact the top side of the solar panel;

Step 2: Start the driving motor 8 on the back and forth moving component. The driving motor 8 is a forward and reverse motor, which drives the rotating screw 9 to rotate. After the rotation, under the action of the screw moving block 10, the wiping plate 11 can be driven to move downward. The screw moving block 10 is rectangular and matches the size of the side rectangular groove 7. During the downward movement of the wiping plate 11, the rotating motor 13 is driven to operate, driving the cleaning roller brush 14 to rotate. After the cleaning roller brush 14 rotates, the dust on the surface of the solar panel can be cleaned first. At the same time, the rotating motor 15 runs, driving the rotating wiping disk 16 to rotate. After the rotating wiping disk 16 rotates, the surface of the solar panel can be cleaned again. One side of the rotating wiping disk 16 is a sponge.

Step 3: During the wiping process, the water pump 21 on the water delivery component is driven to operate, the aqueous solution in the water tank 19 is pumped out, and the aqueous solution is sprayed out from the cleaning nozzles 26 on the first mounting tube 24 and the second mounting tube 25 respectively through the telescopic water delivery pipe 22 and the water distribution pipe 23. The two water spraying positions are located on both sides of the rotating wiping disc 16. By spraying water at the two positions and cleaning together, the solar panel can be effectively cleaned. The rubber scraper 18 is located at the last position to scrape off the aqueous solution, so that the surface of the solar panel can be relatively clean.

Step 4: After the downward movement and cleaning are completed, the telescopic hydraulic cylinder 28 on the telescopic support assembly is started to operate, which can prop up the cleaning plate 5, so that the cleaning roller brush 14 and the rotating wiping disk 16 can be separated from the solar panel. After separation, the driving motor 8 is reversed to allow the wiping plate 11 to return to its original position, and the cleaning mobile vehicle 1 moves forward a distance to the next solar energy location that needs to be cleaned, and then the cleaning plate 5 is put down for the next cleaning.

When in use: when cleaning the surface of the solar panel used for photovoltaic power generation, the cleaning mobile vehicle 1 is moved to one side of the solar panel to be cleaned, and then the telescopic hydraulic cylinder 28 on the telescopic support assembly is used to adjust the position of the cleaning plate 5 so that the cleaning plate 5 is located above the solar panel, and the cleaning roller brush 14, the rotating wiping disc 16 and the rubber scraper 18 below can contact the top side of the solar panel, and the driving motor 8 on the back and forth moving assembly is started to run. The driving motor 8 is a forward and reverse motor, which drives the rotating screw rod 9 to rotate. After rotating, the screw rod moves Under the action of the moving block 10, the wiping plate 11 can be driven to move downward. The screw moving block 10 is set in a rectangular shape and matches the size of the side rectangular groove 7. During the downward movement of the wiping plate 11, the rotating motor 13 is driven to operate, driving the cleaning roller brush 14 to rotate. After the cleaning roller brush 14 rotates, the dust on the surface of the solar panel can be cleaned first. At the same time, the rotating motor 15 runs to drive the rotating wiping disc 16 to rotate. After the rotating wiping disc 16 rotates, the surface of the solar panel can be cleaned again. One side of the rotating wiping disc 16 is a sponge. During the wiping process , drive the water pump 21 on the water delivery component to run, extract the aqueous solution in the water tank 19, and spray it from the cleaning nozzles 26 on the first installation pipe 24 and the second installation pipe 25 through the telescopic water delivery pipe 22 and the water distribution pipe 23. The two water spraying positions are located on both sides of the rotating wiping disk 16. Through the water spraying at the two positions, the solar panel can be effectively cleaned in coordination with the cleaning. The rubber scraper 18 is arranged, which is located at the last position to scrape off the aqueous solution, so that the surface of the solar panel can be relatively clean. After the downward movement and cleaning are completed, the telescopic hydraulic cylinder 28 on the telescopic support component is started to run, so that the cleaning plate 5 can be propped up, and the cleaning roller brush 14 and the rotating wiping disk 16 can be separated from the solar panel. After separation, the driving motor 8 is reversed, so that the wiping plate 11 can be returned to its position, and the cleaning mobile vehicle 1 moves forward for a distance to the next position where the solar energy needs to be cleaned, and then the cleaning plate 5 is put down for the next cleaning. During the cleaning process, through mechanized automatic cleaning, there is no need for the staff to wipe back and forth, which greatly reduces the work intensity of the staff and greatly improves the cleaning speed.

It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims (9)

1. The utility model provides a panel surface cleaning device for photovoltaic power generation, includes clean locomotive (1), its characterized in that, the top side fixed mounting of clean locomotive (1) has a plurality of support columns (2), and the top fixed mounting of a plurality of support columns (2) has same place platform (3), place platform (3) one side is installed clean board (5) through rotating the subassembly, and middle part hole (6) have been seted up to one side of clean board (5), movable mounting in middle part hole (6) cleans board (11), cleans and is connected through round trip movement subassembly between board (11) and the clean board (5), clean board cleaning subassembly has been seted up to the bottom side of cleaning board (11), installs battery board in bottom groove (12), water tank (19) are installed to the top side of place platform (3), are equipped with water delivery subassembly on water tank (19), and are connected with clean board (11), be equipped with flexible supporting subassembly between place platform (3) and clean board (5).

2. The panel surface cleaning device for photovoltaic power generation according to claim 1, wherein the panel cleaning assembly comprises a rotating motor (13) fixedly installed on the inner wall of one side of the bottom groove (12), the output end of the rotating motor (13) is connected with a cleaning rolling brush (14), a plurality of rotating motors (15) are fixedly installed on the inner wall of the bottom groove (12), the output end of the rotating motor (15) is connected with a rotating wiping disc (16), and the rotating wiping disc (16) is located at one side of the cleaning rolling brush (14).

3. The device for cleaning the surface of the cell panel for photovoltaic power generation according to claim 2, wherein a fixing plate (17) is fixedly installed on the inner wall of the bottom side of the bottom groove (12), a rubber scraper (18) is installed on the bottom side of the fixing plate (17), and the rubber scraper (18) is located at one side of the rotary wiping disc (16).

4. The panel surface cleaning device for photovoltaic power generation according to claim 2, wherein the water delivery assembly comprises a water pump (21) fixedly installed on the inner wall of the bottom side of the water tank (19), the output end of the water pump (21) is connected with a telescopic water delivery pipe (22), one end of the telescopic water delivery pipe (22) is connected with a water diversion pipe (23), the bottom side of the water diversion pipe (23) is connected with a first installation pipe (24) and a second installation pipe (25), and a plurality of cleaning spray heads (26) are installed on the bottom sides of the first installation pipe (24) and the second installation pipe (25).

5. The device for cleaning the surface of a panel for photovoltaic power generation according to claim 4, characterized in that the first mounting tube (24) and the second mounting tube (25) are located at both sides of the rotary wiping disc (16), and the top side of the water tank (19) is provided with an additional cover (20).

6. The panel surface cleaning apparatus for photovoltaic power generation according to claim 1, wherein the rotating assembly comprises a rotating strut (4) fixedly installed on the top side of the placement platform (3), and the rotating strut (4) is rotatably connected with the cleaning panel (5).

7. The device for cleaning the surface of the cell panel for the photovoltaic power generation according to claim 1, wherein the back and forth movement assembly comprises side rectangular grooves (7) formed in the inner walls of the two sides of the middle hole (6), two driving motors (8) are fixedly arranged on one side of the cleaning plate (5), output ends of the two driving motors (8) respectively extend into the two side rectangular grooves (7) and are fixedly provided with rotating screw rods (9), screw rod moving blocks (10) are fixedly arranged on the two sides of the wiping plate (11), and the two screw rod moving blocks (10) are respectively in threaded connection with the two rotating screw rods (9).

8. The device for cleaning the surface of a panel for photovoltaic power generation according to claim 1, wherein the telescopic supporting assembly comprises a side inclined surface (27) arranged on one side of the placing platform (3), one side of the side inclined surface (27) is rotatably provided with one end of a telescopic hydraulic cylinder (28), and the other end of the telescopic hydraulic cylinder (28) is rotatably provided on one side of the cleaning plate (5).

9. A method for cleaning a surface of a panel for photovoltaic power generation according to any one of claims 1 to 8, comprising:

Step one: when the surface of the solar panel for photovoltaic power generation is cleaned, the cleaning trolley (1) is moved to one side of the solar panel to be cleaned, and then the position of the cleaning panel (5) is adjusted through the telescopic hydraulic cylinder (28) on the telescopic supporting component, so that the cleaning panel (5) is positioned above the solar panel, and the cleaning rolling brush (14), the rotary wiping disc (16) and the rubber scraping plate (18) below the cleaning panel can be in contact with the top side of the solar panel;

Step two: starting a driving motor (8) on the back-and-forth movement assembly to run, wherein the driving motor (8) is a forward-and-reverse rotation motor, driving a rotating screw rod (9) to rotate, after rotation, driving a wiping plate (11) to move downwards under the action of a screw rod moving block (10), wherein the screw rod moving block (10) is rectangular and is matched with a side rectangular groove (7) in size, the wiping plate (11) is driven to run in the downward movement process, a cleaning rolling brush (14) is driven to rotate, after the cleaning rolling brush (14) rotates, dust on the surface of a solar panel can be cleaned firstly, meanwhile, a rotating motor (15) runs, driving a rotating wiping plate (16) to rotate, and after the rotating wiping plate (16) rotates, the surface of the solar panel can be cleaned again, and one side of the rotating wiping plate (16) is sponge;

Step three: in the wiping process, a water pump 21 on the water delivery assembly is driven to run, water solution in a water tank (19) is pumped out, and is sprayed out from cleaning spray heads (26) on a first mounting pipe (24) and a second mounting pipe (25) respectively through a telescopic water delivery pipe (22) and a water distribution pipe (23), two water spraying positions are positioned at two sides of a rotary wiping disc (16), water spraying at the two positions is matched with cleaning, so that a solar panel can be effectively cleaned, and a rubber scraper (18) is arranged at the last position to scrape the water solution, so that the surface of the solar panel can be cleaner;

Step four: after the downward movement cleaning is finished, the telescopic hydraulic cylinder (28) on the telescopic supporting component is started to run, the cleaning plate (5) can be supported, the cleaning rolling brush (14) and the rotary wiping disc (16) can be separated from the solar plate, after the separation, the driving motor (8) is reversed, the wiping plate (11) can return, the cleaning trolley (1) moves forwards for a certain distance and moves to the position where the next solar energy needs to be cleaned, and then the cleaning plate (5) is put down for the next cleaning.