Automatic cleaning device for surface of solar cell panel

Abstract

The utility model provides a solar cell panel surface automatic cleaning device which comprises a metal beam and two rows of vertical rods, the tops of the two rows of vertical rods are connected with the bottom of the metal beam, the top of the metal beam is provided with a solar cell panel and a gate position, the gate position is located on one side of the solar cell panel, and the gate position is located on the other side of the metal beam. The solar cell panel cleaning device has the beneficial effects that when a fiber brush and a silica gel scraping strip in one cleaning mechanism are used for a long time and cannot be used any more, at the moment, the replacement mechanism operates to recover the seriously-abraded cleaning mechanism into the containing groove, the cleaning mechanism is replaced, the cleaning mechanism is replaced, the cleaning mechanism is replaced, and the cleaning efficiency is improved. A brand-new cleaning mechanism extends out of the containing groove, then a fiber brush and a silica gel scraping strip in the cleaning mechanism which is seriously abraded can be replaced after a worker arrives at the site next time, and in the period, the cleaning work of the cleaning mechanism on the solar cell panel cannot be affected, so that the cleaning efficiency of the solar cell panel is improved. And the cleaning work of the solar cell panel is not delayed.

Description

Technical Field

[0001] The utility model discloses an automatic cleaning device for the surface of a solar panel, belonging to the technical field of solar panel cleaning. Background Art

[0002] With the proposal of the "dual carbon" goal, my country has attached more importance to renewable energy power generation. Among them, photovoltaic power generation, as the main force of renewable energy power generation, has also been vigorously developed. However, one of the important problems facing photovoltaic power generation is the cleaning of stains on the surface of solar panels. Dust pollution will greatly reduce the power generation of photovoltaic power stations. The annual loss caused by dust reduction in power generation will be as high as 5 billion US dollars. Under normal illumination conditions, hot spot effects will occur at the stained panels. This process will aggravate the aging of the panels, reduce output, and in severe cases cause component burnout.

[0003] Traditional solar panels are generally cleaned by engineering vehicle cleaning equipment, manual cleaning, etc. The disadvantage of manual dry cleaning is that workers use too much force to deform the components and cause cracks in the cells. The disadvantage of manual water washing is that the water pressure of the nozzle cannot be controlled during the cleaning process. Because the higher the water pressure, the better the cleaning speed and effect, the cleaners often use excessive water pressure, which leads to cracks in the solar panels. The disadvantage of engineering vehicle cleaning equipment is that the vehicle is relatively heavy. When cleaning, the distance and angle between the cleaning rod and the panel must be controlled. When the car is not driving steadily, it is easy to damage the solar panel. The car that is always running will pollute the environment. The above cleaning methods have a certain cycle. If the stains on the surface of the solar panel cannot be found and cleaned in the first time, the solar panel will be damaged by the hot spot effect and the power generation will be reduced. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model aims to provide an automatic cleaning device for the surface of a solar panel.

[0005] In order to achieve the above purpose, the utility model is implemented through the following technical solutions:

[0006] A solar panel surface automatic cleaning device comprises a metal beam and two rows of vertical poles, the tops of the two rows of vertical poles are connected to the bottom of the metal beam, a solar panel and a parking position are arranged on the top of the metal beam, the parking position is located on one side of the solar panel, a monitoring component matched with the solar panel is arranged on the vertical pole, a cleaning plate is slidably connected to the surface of the solar panel, two groups of cleaning mechanisms matched with the surface of the solar panel are arranged in the middle of the cleaning plate, a receiving groove is opened at the bottom end of the middle part of the cleaning plate, a replacement mechanism connected with the two groups of cleaning mechanisms is arranged in the receiving groove.

[0007] Furthermore, the replacement mechanism includes two support frames fixedly connected at the top of the accommodating groove, a motor is provided on the side of the right support frame, the output end of the motor passes through the right support frame and a threaded rod is provided on the outside, the other end of the threaded rod is rotatably connected to the left support frame, the outer surface of the threaded rod is threadedly connected to two moving blocks, a limit rod is provided between the two support frames, and the ends of the two moving blocks are respectively mounted on the limit rod.

[0008] Furthermore, the replacement mechanism also includes a pushing member 1 located at the bottom end of the movable block on the left side, a movable member 1 is provided at the inclined end of the pushing member 1, and a pushing member 2 is provided at the bottom end of the movable block on the right side, a movable member 2 is provided at the inclined end of the pushing member 2, a sliding block is provided on the surface of the movable member 1 and the movable member 2, the inner wall of the accommodating groove is provided with a sliding groove matching the sliding block, the inner wall of the accommodating groove is provided with two fixed blocks, a spring 1 and a spring 2 are respectively provided on the two fixed blocks, the other end of the spring 1 is connected to the side of the movable member 1, and the other end of the spring 2 is connected to the side of the movable member 2.

[0009] Furthermore, the cleaning mechanism includes an electric telescopic rod located at the bottom ends of the movable part one and the movable part two, the output end of the electric telescopic rod is provided with a connecting part, the bottom end of the connecting part is provided with a high-pressure nozzle, a fiber brush and a silicone scraper in sequence, an underground water tank is provided on the side of the vertical pole, a water pump is provided in the underground water tank, a water spray pipe is provided at the output end of the water pump, and the other end of the water spray pipe passes through the underground water tank and is connected with the high-pressure nozzle.

[0010] Furthermore, the monitoring component includes a back support beam located on the front row of uprights, a track 1 is provided on the outer side of the back support beam, a high-definition camera is slidably connected to the track 1, and the high-definition camera cooperates with the solar panel in the rear row.

[0011] Furthermore, two tracks are respectively provided on the front and rear sides of the metal beam, and the upper and lower ends of the cleaning plate are slidably connected to the two tracks on both sides of the metal beam through driving wheels.

[0012] Furthermore, a card slot is provided at the bottom end of the connecting piece, and the tops of the fiber brush and the silicone scraper strip are connected to the card slot by card engagement.

[0013] Furthermore, a controller is provided on the cleaning plate, and the electric telescopic rod and the motor are electrically connected to the controller.

[0014] The beneficial effects of the utility model are:

[0015] The utility model can well monitor and clean the stains on the surface of the solar panel in real time, and can achieve fixed-point cleaning in different areas. It can timely clean the obstruction of the solar panel surface caused by sudden situations such as bird droppings, etc., which solves one of the major problems of photovoltaic power generation and has great development prospects. In addition, no personnel are required to be present during the detection and cleaning process, which can avoid the loss of hot spot effect, play a role in protecting resources, improve the working efficiency and service life of the solar panel, increase the profit of solar power generation enterprises, and have considerable overall development.

[0016] The utility model is composed of a monitoring component and a cleaning plate. A high-definition camera is mounted on a track in front of a solar panel to patrol and take images. The cleaning plate is mounted on a parking position next to the solar panel to clean stains. The utility model can monitor the stains on the surface of the solar panel in real time, find the stains on the surface of the solar panel in the shortest time and clean them, thereby improving the power generation efficiency of the solar panel and reducing damage, helping to extend the service life of the solar panel and promoting the development of new energy.

[0017] The utility model adopts intelligent control and can realize thorough cleaning of all solar panels every day to ensure the cleanliness of the surface of the solar panels. When the cleaning mechanism starts cleaning, it will first spray water to clean the surface of the solar panel, then use a fiber brush to remove some difficult-to-clean stains, and finally use a silicone scraper to scrape off water and dirt on the surface of the solar panel. The triple cleaning can avoid leaving scale or other pollutants to form shadows and cause hot spot effects on the solar panels.

[0018] The setting of the monitoring device can monitor the solar panels in real time, directly monitor the surface of the solar panels, and use high-definition cameras to move back and forth to replace manual inspections, avoiding the troubles caused by staff inspections in hot summer, liberating labor, and improving the monitoring effect of inspections.

[0019] Through the setting of the replacement mechanism, when the fiber brushes and silicone scrapers in one set of cleaning mechanisms have been used for a long time and are severely worn and can no longer be used, the replacement mechanism can be started. The operation of the replacement mechanism will retract the severely worn set of cleaning mechanisms into the receiving tank and extend a new set of cleaning mechanisms out of the receiving tank. At this time, the new cleaning mechanism can clean the surface of the solar panel. Subsequently, the fiber brushes and silicone scrapers in the severely worn cleaning mechanism can be replaced until the next time the staff arrives at the site. During this period, the cleaning mechanism will not be affected in cleaning the solar panel and will not delay the cleaning of the solar panel. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0021] Figure 1 This is a schematic diagram of the overall structure of an automatic cleaning device for the surface of a solar panel according to the utility model;

[0022] Figure 2 This is a schematic diagram of the cross-sectional structure of a cleaning plate of an automatic cleaning device for the surface of a solar panel according to the utility model. Figure 1 ;

[0023] Figure 3 This is a schematic diagram of the cross-sectional structure of a cleaning plate of an automatic cleaning device for the surface of a solar panel according to the utility model. Figure 2 ;

[0024] Figure 4 The utility model is a schematic diagram of the cross-sectional structure of a cleaning plate of an automatic cleaning device for the surface of a solar panel.

[0025] In the figure, 1. metal beam; 2. vertical pole; 3. solar panel; 4. parking position; 5. back support beam; 6. track 1; 7. high-definition camera; 8. cleaning plate; 9. receiving slot; 10. support frame; 11. motor; 12. threaded rod; 13. moving block; 14. limit rod; 15. pusher 1; 16. moving part 1; 17. pusher 2; 18. moving part 2; 19. slider; 20. slide slot; 21. connector; 22. high-pressure nozzle; 23. fiber brush; 24. silicone scraper; 25. electric telescopic rod; 26. spring 1; 27. spring 2. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] See also Figure 1 , Figure 2 , Figure 3 and Figure 4The utility model provides a technical solution for an automatic cleaning device for the surface of a solar panel, an automatic cleaning device for the surface of a solar panel, comprising a metal beam 1 and two rows of vertical poles 2, the tops of the two rows of vertical poles 2 are connected to the bottom of the metal beam 1, a solar panel 3 and a parking position 4 are arranged on the top of the metal beam 1, the parking position 4 is located on one side of the solar panel 3, a monitoring component matched with the solar panel 3 is arranged on the vertical pole 2, a cleaning plate 8 is slidably connected to the surface of the solar panel 3, two groups of cleaning mechanisms matched with the surface of the solar panel 3 are arranged in the middle of the cleaning plate 8, and the bottom end of the middle of the cleaning plate 8 A receiving groove 9 is provided, and a replacement mechanism connected to the two groups of cleaning mechanisms is provided in the receiving groove 9. The utility model can well monitor and clean the stains on the surface of the solar panel 3 in real time, and carry out fixed-point cleaning in different areas, and can timely clean the obstruction of the surface of the solar panel 3 caused by emergencies such as bird droppings, etc., which solves one of the major problems of photovoltaic power generation and has great development prospects. In addition, no personnel are required to be present during the discovery and cleaning process, which can avoid the loss of hot spot effect, play a role in protecting resources, improve the working efficiency and service life of the solar panel 3, increase profits for solar power generation companies, and have considerable overall development.

[0028] See also Figure 2 , Figure 3 and Figure 4, the replacement mechanism includes two support frames 10 fixedly connected at the top of the accommodating groove 9, a motor 11 is provided on the side of the right support frame 10, the output end of the motor 11 passes through the right support frame 10 and is provided with a threaded rod 12, the other end of the threaded rod 12 is rotatably connected to the left support frame 10, the outer surface of the threaded rod 12 is threadedly connected with two moving blocks 13, a limiting rod 14 is provided between the two support frames 10, and the ends of the two moving blocks 13 are respectively sleeved on the limiting rod 14, the replacement mechanism also includes a pushing member 15 located at the bottom end of the left moving block 13, a moving member 16 is provided at the inclined end of the pushing member 15, a pushing member 2 17 is provided at the bottom end of the right moving block 13, a moving member 2 18 is provided at the inclined end of the pushing member 2 17, a sliding block 19 is provided on the surface of the moving member 16 and the moving member 2 18, and the inner wall of the accommodating groove 9 is provided with a sliding groove 20 matching the sliding block 19, The inner wall of the receiving groove 9 is provided with two fixed blocks, and the two fixed blocks are respectively provided with a spring 1 26 and a spring 27, the other end of the spring 1 26 is connected to the side of the movable part 16, and the other end of the spring 27 is connected to the side of the movable part 2 18. Through the setting of the replacement mechanism, when the fiber brush 23 and the silicone scraper 24 in one group of cleaning mechanisms have been used for a long time and are severely worn and can no longer be used, at this time, the replacement mechanism can be started, and the replacement mechanism will retract the severely worn group of cleaning mechanisms into the receiving groove 9 and extend a new group of cleaning mechanisms out of the receiving groove 9. At this time, the new cleaning mechanism can clean the surface of the solar panel 3, and then, the fiber brush 23 and the silicone scraper 24 in the severely worn cleaning mechanism can be replaced until the next time the staff arrives at the site. During this period, the cleaning mechanism will not affect the cleaning work of the solar panel 3, and will not delay the cleaning work of the solar panel 3.

[0029] See also Figure 1 and Figure 4The cleaning mechanism includes an electric telescopic rod 25 located at the bottom of the moving part 16 and the moving part 2 18, the output end of the electric telescopic rod 25 is provided with a connecting piece 21, and the bottom end of the connecting piece 21 is provided with a high-pressure nozzle 22, a fiber brush 23 and a silicone scraper 24 in sequence, and an underground water tank is provided on the side of the vertical pole 2, and a water pump is provided in the underground water tank. A water spray pipe is provided at the output end of the water pump, and the other end of the water spray pipe passes through the underground water tank and is connected to the high-pressure nozzle 22. (The operating principle of the cleaning mechanism is the conventional one in the prior art Operation, therefore, the underground water tank, water pump and water spray pipe in the cleaning mechanism are not shown in the figure.) The utility model adopts intelligent control, which can realize thorough cleaning of all solar panels 3 every day to ensure the cleanliness of the surface of the solar panels 3. When the cleaning mechanism starts cleaning, it will first spray water to clean the surface of the solar panel 3, and then the fiber brush 23 will brush off some difficult-to-clean stains, and finally the silicone scraper 24 will scrape off the water and dirt on the surface of the solar panel. The triple cleaning can avoid leaving scale or other pollutants to form shadows and cause hot spot effects on the solar panels.

[0030] See also Figure 1 The monitoring component includes a back support beam 5 provided on the front row of the upright poles 2, a track 6 is provided on the outer side of the back support beam 5, a high-definition camera 7 is slidably connected to the track 6, and the high-definition camera 7 cooperates with the solar panel 3 in the rear row. The setting of the monitoring device can monitor the solar panel 3 in real time and directly monitor the surface of the solar panel 3. The high-definition camera 7 is used to move back and forth to replace manual inspection, which avoids the trouble caused by staff inspection in hot summer, liberates labor, and improves the monitoring effect of inspection.

[0031] See also Figure 1 The front and rear sides of the metal beam 1 are respectively provided with two tracks, and the upper and lower ends of the cleaning plate 8 are respectively slidably connected to the two tracks on both sides of the metal beam 1 through driving wheels.

[0032] See also Figure 4 A card slot is provided at the bottom end of the connecting member 21, and the tops of the fiber brush 23 and the silicone scraper 24 are connected to the card slot by card engagement. A controller is provided on the cleaning plate 8, and the electric telescopic rod 25 and the motor 11 are electrically connected to the controller.

[0033] When in use, the monitoring component will always monitor the surface of the solar panel 3. The track 6 corresponding to the high-definition camera 7 in the monitoring component is placed on the back support beam 5 of the front row of solar panels 3. However, the first row of solar panels 3 has no support frame, so an independent track 6 needs to be set up to complete the inspection of the first row of solar panels 3. The high-definition camera 7 moves back and forth along the track 6. The high-definition camera 7 takes pictures of the solar panels 3 in a certain area and uploads them to the monitoring room. The computer host will analyze the received photos and compare them with the samples to determine the cleanliness of the surface of the solar panel 3. If stains are detected, an alarm will be issued; if no stains are found on the surface of the solar panel 3, sampling will continue; if no stains are found on the surface of the solar panel 3 within ten minutes, the staff will be reminded to confirm whether there are stains on the surface of the solar panel 3. If stains are found somewhere, a cleaning instruction will be issued to clean the surface of the solar panel 3. If there are no stains, sampling will continue;

[0034] When the controller receives the instruction to clean the solar panel 3, the controller will control the cleaning plate 8 to move to the designated position on the track 2. The upper and lower ends of the cleaning plate 8 are respectively connected to the track 2 on both sides of the metal beam 1 by three rotatable wheels for sliding, and the driving wheels at the upper and lower ends are connected to the controller for control, so that it can walk on the surface of the solar panel 3. At the same time, an electromagnetic chip is installed on the upper end of the solar panel 3, and an identification device is installed on the cleaning plate 8 to ensure that the cleaning plate 8 can accurately reach the position that needs to be cleaned. At this time, the staff determines whether the final moving position of the cleaning plate 8 is the designated position, and starts the cleaning work after confirming that it is correct.

[0035] Subsequently, the controller controls the electric telescopic rod 25 to drive the connector 21 in the front cleaning mechanism to move downward and contact the surface of the solar panel 3 (because the distance between the two groups of cleaning mechanisms and the surface of the solar panel 3 is set in advance, so when one group of cleaning mechanisms moves downward and contacts the surface of the solar panel 3, the other group of cleaning mechanisms will not contact the surface of the solar panel 3). The electric telescopic rod 25 drives the connector 21 and the fiber brush 23 and the silicone scraper head 24 at the bottom of the connector 21 to move downward. Subsequently, the water pump is started, and the water pump sprays the water in the underground water tank through the water spray pipe and finally through the high-pressure nozzle 22 to wet the surface of the solar panel 3. At this time, as the cleaning plate 8 moves, the fiber brush 23 brushes off some stains that are difficult to clean, and finally the silicone scraper 24 scrapes off the water and dirt on the surface of the solar panel, so that the surface of the solar panel 3 can be cleaned. After the cleaning is completed, the information will be fed back to the staff, and the staff will confirm whether it is cleaned. If it is not cleaned, it will be cleaned again. If it is cleaned, the robot returns to the parking position 4 to complete the work.

[0036] When the fiber brush 23 and the silicone scraper 24 in one set of cleaning mechanisms have been used for a long time and are severely worn and can no longer be used, the replacement mechanism can be started. The replacement mechanism can be operated to retract the severely worn set of cleaning mechanisms into the accommodating groove 9, and extend a new set of cleaning mechanisms out of the accommodating groove 9. The motor 11 is started, and the motor 11 drives the threaded rod 12 to rotate. Under the limit of the limit rod 14, the rotation of the threaded rod 12 drives the two moving blocks 13 to move synchronously (if the cleaning mechanism on the left side is severely worn, at this time, the two moving blocks 13 move to the right). The movement of the two moving blocks 13 to the right will drive the push member 1 15 and the push member 2 17 at the bottom to move. The movement of the push member 15 will squeeze the moving member 16 to move upward, and the moving member 16 will squeeze the spring 2 6. At this time, as the pusher 15 moves, the moving member 16 and the cleaning component at the bottom thereof will be driven to move upward (move in the receiving groove 9), the movement of the pusher 2 17 will squeeze the moving member 2 18 to move downward, and the moving member 2 18 will stretch the spring 27. The moving member 2 18 will move downward and drive the cleaning component at the bottom of the moving member 2 18 to move downward. Because the cleaning component at the bottom of the moving member 2 18 is brand new, at this time, it can be moved out of the receiving groove 9 to clean the surface of the solar cell panel 3. Subsequently, the fiber brush 23 and the silicone scraper 24 in the cleaning mechanism that are severely worn can be replaced until the next time the staff arrives at the site. During this period, the cleaning mechanism will not be affected in cleaning the solar cell panel 3, and the cleaning work of the solar cell panel 3 will not be delayed.

[0037] Although this specification is described according to implementation modes, not every implementation mode includes only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. An automatic cleaning device for the surface of a solar panel, characterized in that: The invention comprises a metal beam (1) and two rows of vertical poles (2), the tops of the two rows of vertical poles (2) are connected to the bottom of the metal beam (1), the top of the metal beam (1) is provided with a solar panel (3) and a parking position (4), the parking position (4) is located on one side of the solar panel (3), the vertical pole (2) is provided with a monitoring component matched with the solar panel (3), the surface of the solar panel (3) is slidably connected with a cleaning plate (8), the middle part of the cleaning plate (8) is provided with two groups of cleaning mechanisms matched with the surface of the solar panel (3), the middle bottom end of the cleaning plate (8) is provided with a receiving groove (9), and the receiving groove (9) is provided with a replacement mechanism connected with the two groups of cleaning mechanisms.

2. The automatic cleaning device for the surface of a solar panel according to claim 1, characterized in that: The replacement mechanism comprises two support frames (10) which are fixedly connected at the top of the accommodating groove (9), a motor (11) is provided on the side of the right support frame (10), the output end of the motor (11) passes through the right support frame (10) and a threaded rod (12) is provided on the outside, the other end of the threaded rod (12) is rotatably connected to the left support frame (10), the outer surface of the threaded rod (12) is threadedly connected to two moving blocks (13), a limiting rod (14) is provided between the two support frames (10), and the ends of the two moving blocks (13) are respectively sleeved on the limiting rod (14).

3. The automatic cleaning device for the surface of a solar panel according to claim 2, characterized in that: The replacement mechanism further comprises a pusher member 1 (15) located at the bottom end of the left moving block (13), a moving member 1 (16) is arranged at the inclined surface end of the pusher member 1 (15), a pusher member 2 (17) is arranged at the bottom end of the right moving block (13), a moving member 2 (18) is arranged at the inclined surface end of the pusher member 2 (17), a sliding block (19) is arranged on the surface of both the moving member 1 (16) and the moving member 2 (18), an inner wall of the receiving groove (9) is provided with a sliding groove (20) matched with the sliding block (19), two fixed blocks are arranged on the inner wall of the receiving groove (9), a spring 1 (26) and a spring 2 (27) are arranged on the two fixed blocks respectively, the other end of the spring 1 (26) is connected to the side of the moving member 1 (16), and the other end of the spring 2 (27) is connected to the side of the moving member 2 (18).

4. The automatic cleaning device for the surface of a solar panel according to claim 3, characterized in that: The cleaning mechanism comprises an electric telescopic rod (25) disposed at the bottom ends of the first moving part (16) and the second moving part (18); a connecting part (21) is disposed at the output end of the electric telescopic rod (25); a high-pressure nozzle (22), a fiber brush (23) and a silicone scraper (24) are disposed at the bottom end of the connecting part (21) in sequence; an underground water tank is disposed on the side of the vertical pole (2); a water pump is disposed in the underground water tank; a water spray pipe is disposed at the output end of the water pump; the other end of the water spray pipe passes through the underground water tank and is connected to the high-pressure nozzle (22).

5. The automatic cleaning device for the surface of a solar panel according to claim 4, characterized in that: The monitoring component comprises a back support beam (5) disposed on the front row of the upright poles (2), a track (6) being provided on the outer side of the back support beam (5), a high-definition camera (7) being slidably connected to the track (6), and the high-definition camera (7) being matched with the solar cell panels (3) in the rear row.

6. The automatic cleaning device for the surface of a solar panel according to claim 5, characterized in that: Two tracks are respectively provided on the front and rear sides of the metal beam (1), and the upper and lower ends of the cleaning plate (8) are slidably connected to the two tracks on both sides of the metal beam (1) through driving wheels.

7. The automatic cleaning device for the surface of a solar panel according to claim 6, characterized in that: A slot is provided at the bottom end of the connecting piece (21), and the tops of the fiber brush (23) and the silicone scraper (24) are connected to the slot by snapping.

8. The automatic cleaning device for the surface of a solar panel according to claim 7, characterized in that: An electromagnetic chip is provided at the upper end of the solar cell panel (3), an identification device and a controller are provided on the cleaning plate (8), and the electromagnetic chip, the identification device, the driving wheel, the electric telescopic rod (25), and the motor (11) are all electrically connected to the controller.

Images