Automatic cleaning device for photovoltaic power generation panel
By designing an automatic cleaning device for photovoltaic power generation plates that can swing longitudinally, the problem of waste of water resources and inconvenient replacement of cleaning brushes in the prior art is solved, and efficient cleaning and recycling of water resources are achieved.
Patent Information
- Application Number
- CN202421840556.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-01
- Publication Date
- 2025-05-23
- Estimated Expiration
- 2034-08-01
AI Technical Summary
The existing photovoltaic power board cleaning devices have problems such as wasting water resources and inconvenient replacement of cleaning brushes.
An automatic cleaning device for photovoltaic power generation board is designed. By setting up a longitudinal swing cleaning device and recycling device, the surface of the photovoltaic power generation board is efficiently cleaned, and the disassembly and replacement of the brush board is facilitated, while recycling cleaning water for reuse.
It improves the cleaning effect of photovoltaic power boards, saves water resources, simplifies the replacement process of brush boards, and realizes the recycling and reuse of cleaned water.
Smart Images
Figure CN222897232U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of photovoltaic power generation panel cleaning, in particular to an automatic cleaning device for photovoltaic power generation panels. Background Art
[0002] 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, and the main components are made of electronic components.
[0003] Photovoltaic panels are usually equipped with cleaning devices, but the cleaned water will be discharged to the ground along the panel surface, resulting in a waste of water resources. In addition, the existing cleaning brush needs to be replaced after long-term use, and the existing cleaning device is inconvenient to disassemble the cleaning brush. Utility Model Content
[0004] In order to solve the above technical problems, the utility model provides an automatic cleaning device for photovoltaic panels, which can clean the surface of photovoltaic panels by longitudinally swinging through the device, thereby improving the cleaning effect, facilitating the disassembly and replacement of the brush plate, and can recycle and reuse the water used to clean the photovoltaic panels.
[0005] The utility model discloses an automatic cleaning device for photovoltaic panels, comprising photovoltaic panels, a mounting frame, four groups of legs, a brush plate, a cleaning device, a water spraying device, a recovery device and a moving device. The photovoltaic panels are mounted on the mounting frame, the four groups of legs are respectively mounted on the left front side, the left rear side, the right front side and the right rear side of the bottom end of the mounting frame, the cleaning device is mounted on the left side of the top end of the mounting frame, the brush plate is detachably mounted on the cleaning device, the water spraying device is mounted on the cleaning device, the recovery device is mounted on the right side of the top end of the mounting frame, the recovery device is connected to the water spraying device, the moving device is mounted on the cleaning device, and the moving device is cooperatively connected to the mounting frame.
[0006] Preferably, the cleaning device includes a portal frame, a first motor, a mounting seat, a cam, two groups of fixed rods, two groups of springs and a connecting device, the front and rear sides of the top of the mounting frame are provided with T-shaped slide grooves, the portal frame is slidably connected to the two groups of T-shaped slide grooves of the mounting frame, the first motor is installed on the upper side of the rear end of the portal frame through the mounting seat, the cam is installed on the output end of the first motor, the two groups of fixed rods are respectively installed on the left and right sides of the front end inside the portal frame, two groups of slide grooves are provided on the upper side of the front end of the brush plate, the two groups of fixed rods are slidably connected to the two groups of slide grooves of the brush plate, the two groups of springs are respectively sleeved on the two groups of fixed rods, one end of the two groups of springs is in contact with the brush plate, and the other end of the two groups of springs is connected to the two groups of fixed rods, the rear end of the brush plate is connected to the cam through the connecting device, the water spraying device is installed on the right side inside the portal frame, and the moving device is installed at the front end of the portal frame.
[0007] Preferably, the water spraying device includes a base, a water collecting tank, a water inlet bucket, a filter, a water pump, a mounting frame, a retractable hose, a water distribution pipe and a cleaning device. The water collecting tank and the water pump are both installed on the top of the base, the water inlet bucket is installed on the top of the water collecting tank, the output end of the water inlet bucket is connected with the water collecting tank, the filter is installed obliquely inside the water collecting tank, the cleaning device is installed on the right end of the water collecting tank and is located above the filter, the input end of the water pump is connected with the lower left end of the water collecting tank, the output end of the water pump is connected with the input end of the retractable hose, the water distribution pipe is installed on the top right side of the gate frame through two sets of mounting frames, the output end of the retractable hose is connected with the water distribution pipe after passing through the gate frame, the bottom end of the water distribution pipe is connected with multiple sets of nozzles, and the recovery device is connected with the right end of the water collecting tank.
[0008] Preferably, the recovery device includes a water collecting box and a water guiding hose. The water collecting box is installed on the right side of the top of the installation frame. The input end of the water guiding hose is connected to the rear end of the water collecting box, and the output end of the water guiding hose is connected to the upper side of the right end of the water collecting box.
[0009] Preferably, the cleaning device includes a cleaning plate, a first fixed plate, a first bolt, a second fixed plate and a handle. A cleaning port is provided on the upper right end of the water collecting tank, the cleaning port is located on the upper side of the filter net, the cleaning plate is rotatably installed at the cleaning port of the water collecting tank, the first fixed plate is installed on the rear side of the right end of the cleaning plate, the second fixed plate is installed on the upper rear side of the right end of the water collecting tank, the first fixed plate and the second fixed plate are both provided with threaded holes, the first bolt is threadedly connected to the threaded holes of the first fixed plate and the second fixed plate, and the handle is installed on the right end of the cleaning plate.
[0010] Preferably, the moving device includes a second motor, a gear and a rack, the second motor is installed at the front end of the portal frame, the gear is installed at the output end of the second motor, the rack is installed at the front side of the top of the installation frame, and the gear is meshed with the rack.
[0011] Preferably, the connecting device includes a driving rod, a socket and two groups of second bolts, the driving rod is slidably installed on the upper side of the rear end of the portal frame, the driving rod corresponds to the position of the cam, the socket is installed on the upper side of the rear end of the brush plate, the driving rod and the socket are clamped together, the top and bottom ends of the socket are connected and provided with threaded holes, the top and bottom ends of the front of the driving rod are provided with threaded grooves, the two groups of thread grooves of the driving rod correspond to the positions of the two groups of threaded holes of the socket, and the two groups of second bolts pass through the threaded holes on the upper and lower sides of the socket respectively and are threadedly connected to the two groups of threaded grooves of the driving rod.
[0012] Preferably, a rounded corner is provided at the rear end of the driving rod.
[0013] Compared with the prior art, the beneficial effects of the utility model are as follows: by turning on the moving device, the moving device drives the brush plate to move horizontally as a whole, and at the same time turning on the water spraying device and the cleaning device, the water spraying device sprays water onto the photovoltaic power generation panel, and the cleaning device drives the brush plate to swing longitudinally, thereby cleaning the photovoltaic power generation panel, and the cleaned water flows back to the water spraying device through the recovery device for filtration and reuse. By setting up this equipment, the surface of the photovoltaic power generation panel can be cleaned by swinging longitudinally, thereby improving its cleaning effect, and facilitating the disassembly and replacement of the brush plate, and the water used to clean the photovoltaic power generation panel can be recycled and reused. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 This is a schematic diagram of the structure of the utility model from a first perspective;
[0015] Figure 2 It is a second perspective structural schematic diagram of the utility model;
[0016] Figure 3 yes Figure 1 A right view structural diagram of ;
[0017] Figure 4 It is an enlarged cross-sectional structural schematic diagram of the water collecting tank;
[0018] Figure 5 yes Figure 2 A is a schematic diagram of the enlarged structure of the middle part;
[0019] Figure 6 yes Figure 2 A schematic diagram of the enlarged structure of B;
[0020] Figure 7 yes Figure 3 Schematic diagram of the enlarged structure of C in the middle;
[0021] Markings in the attached figure: 1. Photovoltaic panel; 2. Mounting frame; 3. Support legs; 4. Door frame; 5. First motor; 6. Mounting seat; 7. Cam; 8. Brush plate; 9. Fixing rod; 10. Spring; 11. Base; 12. Water collecting box; 13. Water inlet bucket; 14. Filter; 15. Water pump; 16. Mounting frame; 17. Sprinkler; 18. Water collecting box; 19. Water guide hose; 20. Cleaning plate; 21. First fixing plate; 22. First bolt; 23. Second fixing plate; 24. Handle; 25. Second motor; 26. Gear; 27. Rack; 28. Drive rod; 29. Holder; 30. Second bolt; 31. Retractable hose; 32. Water distribution pipe. DETAILED DESCRIPTION
[0022] The following is a further detailed description of the specific implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.
[0023] like Figures 1 to 7 As shown, an automatic cleaning device for a photovoltaic power generation panel of the utility model comprises a photovoltaic power generation panel 1, a mounting frame 2, four groups of legs 3, a brush plate 8, a cleaning device, a water spraying device, a recovery device and a moving device, the photovoltaic power generation panel 1 is mounted on the mounting frame 2, the four groups of legs 3 are respectively mounted on the left front side, the left rear side, the right front side and the right rear side of the bottom end of the mounting frame 2, the cleaning device is mounted on the left side of the top end of the mounting frame 2, the brush plate 8 is detachably mounted on the cleaning device, the water spraying device is mounted on the cleaning device, the recovery device is mounted on the right side of the top end of the mounting frame 2, the recovery device is connected to the water spraying device, the moving device is mounted on the cleaning device, and the moving device is cooperatively connected to the mounting frame 2;
[0024] By turning on the moving device, the moving device drives the brush plate 8 to move horizontally as a whole, and at the same time, the water spraying device and the cleaning device are turned on. The water spraying device sprays water onto the photovoltaic panel 1, and the cleaning device drives the brush plate 8 to swing longitudinally, so as to clean the photovoltaic panel 1. The cleaned water flows back to the water spraying device through the recovery device for filtration and reuse. By setting up this equipment, the surface of the photovoltaic panel 1 can be cleaned by swinging longitudinally, thereby improving its cleaning effect, and facilitating the disassembly and replacement of the brush plate 8, and the water used to clean the photovoltaic panel 1 can be recycled and reused.
[0025] As a preferred embodiment of the above embodiment, the cleaning device includes a door frame 4, a first motor 5, a mounting seat 6, a cam 7, two groups of fixed rods 9, two groups of springs 10 and a connecting device. The front and rear sides of the top of the mounting frame 2 are provided with T-shaped slide grooves. The door frame 4 is slidably connected with the two groups of T-shaped slide grooves of the mounting frame 2. The first motor 5 is installed on the upper side of the rear end of the door frame 4 through the mounting seat 6. The cam 7 is installed at the output end of the first motor 5. The two groups of fixed rods 9 are respectively installed on the left and right sides of the front end of the door frame 4. Two groups of slide grooves are provided on the upper side of the front end of the brush plate 8. The two groups of fixed rods 9 are slidably connected with the two groups of slide grooves of the brush plate 8. The two groups of springs 10 are respectively sleeved on the two groups of fixed rods 9. One end of the two groups of springs 10 is in contact with the brush plate 8. The other ends of the two groups of springs 10 are connected to the two groups of fixed rods 9. The rear end of the brush plate 8 is connected to the cam 7 through the connecting device. The water spraying device is installed on the right side of the door frame 4, and the moving device is installed at the front end of the door frame 4.
[0026] By setting the door frame 4, the first motor 5, the mounting seat 6, the cam 7, the fixing rod 9, the spring 10 and the connecting device, by turning on the first motor 5, the first motor 5 drives the cam 7 to rotate, and the cam 7 drives the brush plate 8 to move forward through the connecting device, and the brush plate 8 slides on the two groups of fixing rods 9, and the brush plate 8 is pushed backward under the action of the two groups of springs 10, so that the brush plate 8 swings back and forth, and the brush plate 8 cleans the photovoltaic power generation panel 1, which drives the brush plate 8 to swing back and forth to clean the photovoltaic power generation panel 1.
[0027] As a preferred embodiment of the above embodiment, the water spraying device includes a base 11, a water collecting tank 12, a water inlet bucket 13, a filter screen 14, a water pump 15, a mounting frame 16, a retractable hose 31, a water distribution pipe 32 and a cleaning device. The water collecting tank 12 and the water pump 15 are both installed at the top of the base 11, the water inlet bucket 13 is installed at the top of the water collecting tank 12, the output end of the water inlet bucket 13 is connected to the water collecting tank 12, the filter screen 14 is installed obliquely inside the water collecting tank 12, the cleaning device is installed at the right end of the water collecting tank 12 and is located on the upper side of the filter screen 14, the input end of the water pump 15 is connected to the lower side of the left end of the water collecting tank 12, the output end of the water pump 15 is connected to the input end of the retractable hose 31, the water distribution pipe 32 is installed on the right side of the top end of the door frame 4 through two groups of mounting frames 16, the output end of the retractable hose 31 passes through the door frame 4 and is connected to the water distribution pipe 32, the bottom end of the water distribution pipe 32 is connected and provided with multiple groups of nozzles 17, and the recovery device is connected to the right end of the water collecting tank 12;
[0028] By arranging a base 11, a water collecting tank 12, a water inlet bucket 13, a filter 14, a water pump 15, a mounting frame 16, a nozzle 17, a retractable hose 31 and a cleaning device, when it rains, rainwater enters the water collecting tank 12 through the water inlet bucket 13 for collection, and the filter 14 filters the rainwater. When it is necessary to clean the photovoltaic panel 1, by turning on the water pump 15, the water in the water collecting tank 12 is introduced into the water distribution pipe 32 through the water pump 15 and the retractable hose 31, and is sprayed onto the photovoltaic panel 1 by multiple groups of nozzles 17, thereby spraying water onto the photovoltaic panel 1, and the rainwater can be collected and utilized.
[0029] As a preferred embodiment of the above, the recovery device includes a water collecting box 18 and a water guiding hose 19. The water collecting box 18 is installed on the right side of the top of the installation frame 2. The input end of the water guiding hose 19 is connected to the rear end of the water collecting box 18, and the output end of the water guiding hose 19 is connected to the upper side of the right end of the water collecting box 12.
[0030] By providing a water collecting box 18 and a water guiding hose 19, water used to clean the photovoltaic panel 1 is collected in the water collecting box 18, and the water in the water collecting box 18 is introduced into the water collecting tank 12 through the water guiding hose 19 for reuse, thereby facilitating the recycling of the cleaned photovoltaic panel 1.
[0031] As a preferred embodiment of the above, the cleaning device includes a cleaning plate 20, a first fixing plate 21, a first bolt 22, a second fixing plate 23 and a handle 24. A cleaning port is provided on the upper right side of the water collecting tank 12, and the cleaning port is located on the upper side of the filter screen 14. The cleaning plate 20 is rotatably mounted at the cleaning port of the water collecting tank 12. The first fixing plate 21 is mounted on the rear right side of the cleaning plate 20, and the second fixing plate 23 is mounted on the upper right side of the water collecting tank 12. The first fixing plate 21 and the second fixing plate 23 are both provided with threaded holes, and the first bolt 22 is threadedly connected to the threaded holes of the first fixing plate 21 and the second fixing plate 23, and the handle 24 is mounted on the right end of the cleaning plate 20.
[0032] By setting the cleaning plate 20, the first fixing plate 21, the first bolt 22, the second fixing plate 23 and the handle 24, when the filter screen 14 needs to be cleaned, the first bolt 22 is loosened to separate the first bolt 22 from the first fixing plate 21, and then the cleaning plate 20 is opened on the cleaning port of the water collecting tank 12 through the handle 24, and then the impurities on the filter screen 14 are cleaned, which facilitates the cleaning of the impurities on the filter screen 14.
[0033] As a preferred embodiment of the above, the moving device includes a second motor 25, a gear 26 and a rack 27, the second motor 25 is installed at the front end of the door frame 4, the gear 26 is installed at the output end of the second motor 25, and the rack 27 is installed at the front side of the top of the mounting frame 2, and the gear 26 is meshed with the rack 27;
[0034] By setting the second motor 25, the gear 26 and the rack 27, by turning on the second motor 25, the second motor 25 drives the gear 26 to rotate, the gear 26 engages with the rack 27, the gear 26 drives the portal frame 4 to move horizontally, and the portal frame 4 slides in the two groups of T-shaped slide grooves of the installation frame 2, driving the brush plate 8 and the water distribution pipe 32 to move horizontally to clean the photovoltaic power generation panel 1.
[0035] As a preferred embodiment of the above embodiment, the connecting device includes a driving rod 28, a clamping seat 29 and two groups of second bolts 30. The driving rod 28 is slidably mounted on the upper side of the rear end of the door frame 4. The driving rod 28 corresponds to the position of the cam 7. The clamping seat 29 is mounted on the upper side of the rear end of the brush plate 8. The driving rod 28 and the clamping seat 29 are clamped together. The top and bottom ends of the clamping seat 29 are both connected and provided with threaded holes. The top and bottom ends of the front of the driving rod 28 are both provided with threaded grooves. The two groups of thread grooves of the driving rod 28 correspond to the positions of the two groups of threaded holes of the clamping seat 29. The two groups of second bolts 30 pass through the threaded holes on the upper and lower sides of the clamping seat 29 and are threadedly connected to the two groups of thread grooves of the driving rod 28 respectively.
[0036] By setting the driving rod 28, the seat 29 and the second bolt 30, the cam 7 drives the brush plate 8 to move forward through the driving rod 28, and the brush plate 8 moves backward under the action of the two groups of springs 10, thereby driving the brush plate 8 to swing back and forth. When the brush plate 8 needs to be replaced, the two groups of second bolts 30 are loosened to make the driving rod 28 slide backward, and the driving rod 28 is separated from the seat 29. Then, the brush plate 8 moves backward and separates from the two groups of fixing rods 9, so that the brush plate 8 can be disassembled, which is convenient for disassembly and replacement of the brush plate 8.
[0037] As a preferred embodiment of the above, the rear end of the driving rod 28 is provided with a rounded corner;
[0038] This facilitates the cam 7 to push the driving rod 28 to move.
[0039] The utility model is an automatic cleaning device for photovoltaic power generation panels. When working, first turn on the second motor 25, the second motor 25 drives the gear 26 to rotate, the gear 26 is meshed with the rack 27, the gear 26 drives the door frame 4 to move horizontally, the door frame 4 slides in the two groups of T-shaped slide grooves of the installation frame 2, the door frame 4 drives the water distribution pipe 32 and the brush plate 8 to move, and at the same time turn on the water pump 15 and the first motor 5, the water in the water collection tank 12 is introduced into the water distribution pipe 32 through the water pump 15 and the retractable hose 31, and the water is sprayed by the plurality of nozzles 1 7 is sprayed onto the photovoltaic panel 1, the first motor 5 drives the cam 7 to rotate, the cam 7 drives the brush plate 8 to move forward through the driving rod 28, the brush plate 8 slides on the two sets of fixing rods 9, and the brush plate 8 is pushed backward under the action of the two sets of springs 10, so that the brush plate 8 swings back and forth, and the brush plate 8 cleans the photovoltaic panel 1. The water after cleaning the photovoltaic panel 1 is introduced into the water collecting box 18 for collection, and the water in the water collecting box 18 is guided back to the water collecting tank 12 through the water guiding hose 19 and filtered by the filter net 14 before reuse.
[0040] The installation method, connection method or setting method of the automatic cleaning device for photovoltaic panels of the utility model are all common mechanical methods, and can be implemented as long as they can achieve their beneficial effects; the door frame 4, water pump 15 and second motor 25 of the automatic cleaning device for photovoltaic panels of the utility model are purchased on the market, and technicians in the industry only need to install and operate them according to the accompanying instruction manual.
[0041] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.
Claims
1. An automatic cleaning device for photovoltaic panels, characterized in that: The invention comprises a photovoltaic power generation panel (1), a mounting frame (2), four groups of legs (3), a brush plate (8), a cleaning device, a water spraying device, a recovery device and a moving device. The photovoltaic power generation panel (1) is mounted on the mounting frame (2). The four groups of legs (3) are respectively mounted on the left front side, the left rear side, the right front side and the right rear side of the bottom end of the mounting frame (2). The cleaning device is mounted on the left side of the top end of the mounting frame (2). The brush plate (8) is detachably mounted on the cleaning device. The water spraying device is mounted on the cleaning device. The recovery device is mounted on the right side of the top end of the mounting frame (2). The recovery device is connected to the water spraying device. The moving device is mounted on the cleaning device. The moving device is cooperatively connected to the mounting frame (2).
2. The automatic cleaning device for photovoltaic panels according to claim 1, characterized in that: The cleaning device comprises a door frame (4), a first motor (5), a mounting seat (6), a cam (7), two groups of fixing rods (9), two groups of springs (10) and a connecting device. The front side and the rear side of the top of the mounting frame (2) are both provided with T-shaped slide grooves. The door frame (4) is slidably connected with the two groups of T-shaped slide grooves of the mounting frame (2). The first motor (5) is mounted on the upper side of the rear end of the door frame (4) through the mounting seat (6). The cam (7) is mounted on the output end of the first motor (5). The two groups of fixing rods (9) are respectively mounted on the door frame ( 4) on the left and right sides of the inner front end, two groups of slide grooves are arranged on the upper side of the front end of the brush plate (8), two groups of fixing rods (9) are slidably connected with the two groups of slide grooves of the brush plate (8), two groups of springs (10) are respectively sleeved on the two groups of fixing rods (9), one end of the two groups of springs (10) is in contact with the brush plate (8), and the other end of the two groups of springs (10) is connected to the two groups of fixing rods (9), the rear end of the brush plate (8) is connected to the cam (7) through a connecting device, the water spraying device is installed on the right side of the door frame (4), and the moving device is installed at the front end of the door frame (4).
3. The automatic cleaning device for photovoltaic panels according to claim 2, characterized in that: The water spraying device comprises a base (11), a water collecting tank (12), a water inlet bucket (13), a filter screen (14), a water pump (15), a mounting frame (16), a retractable hose (31), a water distribution pipe (32) and a cleaning device. The water collecting tank (12) and the water pump (15) are both mounted on the top of the base (11), the water inlet bucket (13) is mounted on the top of the water collecting tank (12), the output end of the water inlet bucket (13) is connected to the water collecting tank (12), the filter screen (14) is tiltedly mounted inside the water collecting tank (12), and the cleaning device is mounted on the water collecting tank (12). The right end of the box (12) is located on the upper side of the filter screen (14), the input end of the water pump (15) is connected to the lower side of the left end of the water collecting box (12), the output end of the water pump (15) is connected to the input end of the telescopic hose (31), the water distribution pipe (32) is installed on the right side of the top end inside the door frame (4) through two groups of mounting frames (16), the output end of the telescopic hose (31) passes through the door frame (4) and is connected to the water distribution pipe (32), the bottom end of the water distribution pipe (32) is connected to a plurality of groups of nozzles (17), and the recovery device is connected to the right end of the water collecting box (12).
4. The automatic cleaning device for photovoltaic panels according to claim 3, characterized in that: The recovery device comprises a water collecting box (18) and a water guiding hose (19), wherein the water collecting box (18) is installed on the right side of the top end of the installation frame (2), the input end of the water guiding hose (19) is connected to the rear end of the water collecting box (18), and the output end of the water guiding hose (19) is connected to the upper side of the right end of the water collecting box (12).
5. The automatic cleaning device for photovoltaic panels according to claim 4, characterized in that: The cleaning device comprises a cleaning plate (20), a first fixing plate (21), a first bolt (22), a second fixing plate (23) and a handle (24); a cleaning port is connected to the upper right end of the water collecting tank (12), the cleaning port is located on the upper side of the filter screen (14); the cleaning plate (20) is rotatably mounted at the cleaning port of the water collecting tank (12); the first fixing plate (21) is mounted on the rear side of the right end of the cleaning plate (20); the second fixing plate (23) is mounted on the upper rear side of the right end of the water collecting tank (12); threaded holes are connected to the first fixing plate (21) and the second fixing plate (23); the first bolt (22) is threadedly connected to the threaded holes of the first fixing plate (21) and the second fixing plate (23); and the handle (24) is mounted on the right end of the cleaning plate (20).
6. The automatic cleaning device for photovoltaic panels according to claim 5, characterized in that: The moving device comprises a second motor (25), a gear (26) and a rack (27); the second motor (25) is mounted at the front end of the door frame (4); the gear (26) is mounted at the output end of the second motor (25); the rack (27) is mounted at the front side of the top end of the mounting frame (2); the gear (26) is meshed with the rack (27).
7. The automatic cleaning device for photovoltaic panels according to claim 6, characterized in that: The connecting device comprises a driving rod (28), a clamping seat (29) and two groups of second bolts (30). The driving rod (28) is slidably mounted on the upper side of the rear end of the door frame (4). The driving rod (28) corresponds to the position of the cam (7). The clamping seat (29) is mounted on the upper side of the rear end of the brush plate (8). The driving rod (28) and the clamping seat (29) are clamped together. The top and bottom ends of the clamping seat (29) are both connected and provided with threaded holes. The top and bottom ends of the front part of the driving rod (28) are both provided with threaded grooves. The two groups of threaded grooves of the driving rod (28) correspond to the positions of the two groups of threaded holes of the clamping seat (29). The two groups of second bolts (30) respectively pass through the threaded holes on the upper and lower sides of the clamping seat (29) and are threadedly connected to the two groups of threaded grooves of the driving rod (28).
8. The automatic cleaning device for photovoltaic panels according to claim 7, characterized in that: The rear end of the driving rod (28) is provided with a rounded corner.