Mountain photovoltaic panel cleaning device

Abstract

The utility model discloses a mountain photovoltaic panel cleaning device belongs to photovoltaic panel maintenance technical field, including cleaning module, removal module, water supply module and support module, removal module is provided on the support module, and removal module is provided on the cleaning module and can drive cleaning module and moves left and right and moves up and down along photovoltaic panel light collecting surface, and water supply module sets up in support module lower extreme and provides cleaning water source for cleaning module through hose, and the cleaning work to photovoltaic panel light collecting surface is completed through the coordination of each module, this technical scheme can be good in solving the problem that water source is difficult in the cleaning process, and, through the mode of automatic cleaning, can be good in liberating manpower, and can be good in solving the problem of high maintenance cost to a great extent.

Description

Technical Field

[0001] This utility model relates to a cleaning device, and more particularly to a mountain photovoltaic panel cleaning device, belonging to the field of photovoltaic panel maintenance technology. Background Technology

[0002] With the accelerated global energy structure transformation, mountain photovoltaic (PV) projects have become an important direction for PV power plant development due to their advantages such as high land utilization and minimal ecological disturbance. However, mountain PV projects face unique operation and maintenance challenges. For example, the duration and quality of sunlight reception directly affect the efficiency of PV panels, but these projects are located in open, exposed areas, making them susceptible to wind, sand, and dust, which can cause performance degradation of the PV modules. Module performance degradation is related to power generation loss, dust accumulation, and bird droppings, which reduce the light transmittance of the modules. Studies have shown that when the dust accumulation thickness reaches 0.5mm, the power generation efficiency may decrease by 15%-20%. Especially in arid and windy areas, pollutants accumulate even faster, and the traditional manual cleaning frequency (usually once a month) is insufficient to meet the needs of efficient operation and maintenance. In addition, the complexity of the terrain and transportation barriers, coupled with the fact that mountain PV sites are mostly located in hilly, sloping, or high-altitude areas with rugged roads and scattered plots, mean that traditional manual cleaning requires carrying equipment on foot, which is inefficient and poses safety hazards.

[0003] Due to limitations in cleaning costs and resources, while drone cleaning can cover complex terrain, the cost per operation is as high as 3-5 yuan per square meter, and it relies on external water sources and take-off and landing sites, limiting its application in some areas. Furthermore, insufficient spray pressure from drones can lead to incomplete cleaning, and long-term use may cause micro-cracks on the surface of components.

[0004] In the prior art, Chinese utility model patent application number 202420153395.8 discloses a photovoltaic panel cleaning device, and Chinese utility model patent application number 202220918053.1 discloses a semi-automatic cleaning device for photovoltaic modules. Both can drive their cleaning structures to move left and right and up and down to automatically clean different positions on the surface of the photovoltaic panel. However, the cleaning structures of the above patents rely on a single disc brush for cleaning, which is prone to getting dirty, or the cleaning rollers and water flow are set independently, resulting in limited cleaning effect. In addition, the transmission device is too simple, affecting the smoothness of the cleaning mechanism's movement and the cleaning effect. Improvements are needed in terms of precision control, dynamic response, and motion smoothness. Summary of the Invention

[0005] In order to overcome the shortcomings of the existing technology and solve the problems of easy dirt accumulation, incomplete cleaning, and unstable transmission in the existing photovoltaic panel cleaning device, a mountain photovoltaic panel cleaning device is proposed.

[0006] The technical solution adopted in this utility model is as follows: a mountain photovoltaic panel cleaning device is designed, including a cleaning module, a moving module, a water supply module, and a support module. The support module provides a supporting foundation for the entire cleaning device. In use, it is placed around the outside of the photovoltaic module and fixed to the ground surface. The moving module is mounted on the support module, and the cleaning module is mounted on the moving module. The moving module can move the cleaning module left and right and up and down along the light-receiving surface of the photovoltaic panel, thereby automatically cleaning the module at any different position on the light-receiving surface of the photovoltaic panel. This ensures that all areas of the photovoltaic panel surface are cleaned evenly, improving the cleaning quality. Moreover, the entire process requires no manual intervention, automating the maintenance and cleaning of the photovoltaic panel, thus improving the efficiency of photovoltaic panel cleaning. The cleaning module is in close contact with the light-receiving surface of the photovoltaic panel for a more thorough cleaning. The water supply module is located at the lower end of the support module and provides cleaning water to the cleaning module through a hose. The combination of water washing and brushing improves the cleaning effect.

[0007] The cleaning module described above includes a cleaning bracket, a tube base, a pressure block, a cleaning power source, and a cleaning brush. The cleaning power source and the tube base are installed on the cleaning bracket. The cleaning brush is located at the output end of the cleaning power source and can drive the cleaning brush to rotate to clean the photovoltaic panel. The flexible hose is fixed to the tube base by the pressure block. The outlet of the flexible hose is located above the cleaning brush. The water flow from the flexible hose is used to clean and rinse the surface of the photovoltaic panel and to clean and rinse the cleaning brush. It can also be used in conjunction with the cleaning brush to clean the surface of the photovoltaic panel.

[0008] Furthermore, the mobile module includes a mobile frame, guide rails, and a vertical moving mechanism mounted on the mobile frame. The mobile frame provides a support platform for the cleaning module. The mobile frame has a clearance opening allowing the output end of the cleaning power source to pass through. The output end of the cleaning power source extends from this clearance opening and is fitted with a cleaning brush. The clearance opening is arranged longitudinally along the cleaning support. The output end of the cleaning power source (or output shaft) can slide up and down along the clearance opening, thereby driving the cleaning brush to move up and down to clean the photovoltaic panel. Guide rails are respectively provided on both sides of the clearance opening. Guide wheels are provided on the cleaning support. The guide wheels are engaged with the guide rails and can slide along the guide rails. The cooperation between the guide rails and guide wheels reduces the resistance when the cleaning module moves up and down. In addition, the guide wheels engaged with the guide rails can limit the movement of the cleaning module, ensuring it moves along a fixed track and preventing it from detaching from the mobile frame during movement, thus ensuring smooth transmission. The vertical moving mechanism is connected to the cleaning support and can drive it to move up and down, thereby driving the cleaning module to move up and down.

[0009] Furthermore, the up-and-down moving mechanism includes an active tensioning wheel, a driven tensioning wheel, a transmission belt, and a longitudinal moving force source. The transmission belt has an open structure, i.e., a non-circular closed structure, with both ends fixed to the cleaning bracket. The active tensioning wheel and the driven tensioning wheel are respectively located at the upper and lower ends of the moving frame. The longitudinal moving force source is located on the moving frame, and its output end is connected to the active tensioning wheel to drive the active tensioning wheel to alternately rotate forward and backward. The transmission belt is sleeved on the active tensioning wheel and the driven tensioning wheel and can rotate forward and backward under their action. The forward and backward rotation of the transmission belt drives the cleaning bracket to perform linear up-and-down reciprocating motion, thereby realizing the up-and-down movement of the cleaning module along the light-receiving surface of the photovoltaic panel.

[0010] Furthermore, the guide rail is provided with an upper sliding groove and a side sliding groove. The guide wheel includes a vertical guide wheel and a horizontal guide wheel, which are rotatably arranged. The cleaning bracket is provided with a pair of vertical and horizontal guide wheels. The vertical guide wheel is engaged in the upper sliding groove of the guide rail to limit the left and right direction of the cleaning module, and the horizontal guide wheel is engaged in the side sliding groove of the guide rail to limit the up and down direction of the cleaning module. The pairing of vertical and horizontal guide wheels makes the limiting of the cleaning module by the guide wheel symmetrical and stable.

[0011] Furthermore, the moving module also includes a left-right moving mechanism mounted on the moving frame. The left-right moving mechanism includes a bearing seat, a drive shaft, a driving gear, a driven gear, and a lateral force source. Bearing seats are respectively provided at both ends of the moving frame. Both ends of the drive shaft pass through and extend from the bearing seats, and the drive shaft can only rotate on the bearing seats, which provide support for the drive shaft. Driven gears are respectively provided at both ends of the drive shaft, rotating with the drive shaft. The lateral force source is mounted on the moving frame, and the driving gear is mounted at the output end of the lateral force source. The driving gear can rotate in both directions under the action of the lateral force source, and the driving gear meshes with the driven gear for transmission. Correspondingly, a rack is provided on the support module, and the driven gear meshes with the rack for transmission, thereby realizing the left-right movement of the moving frame.

[0012] Furthermore, the left and right moving mechanism also includes limiting wheels. The limiting wheels are rotatably arranged at both ends of the moving frame. The limiting wheels and the driven gear are located on the upper and lower sides of the rack, respectively. The limiting wheels limit the moving frame to prevent it from jumping or even disengaging from the rack during movement.

[0013] The left and right moving mechanism also includes a synchronous pulley and a synchronous belt. The moving frame is equipped with two drive shafts, and synchronous pulleys are respectively installed at both ends of the drive shafts. The synchronous pulleys on the same side of the two drive shafts are connected by a synchronous belt, that is, two sets of left and right moving and walking structures are set up to provide more stable and reliable support for the moving frame.

[0014] Furthermore, the support module includes a support frame, an upper crossbeam plate, a lower crossbeam plate, a limiting plate, and a rack. Two sets of support frames are arranged opposite each other to form a support leg structure. The upper and lower ends of the two sets of support frames are connected by the upper and lower crossbeam plates respectively to form a stable integrated structure. The inner sides of the upper and lower crossbeam plates extend into upper and lower suspension plates respectively. The limiting plates and racks are respectively provided on the upper and lower sides of the upper and lower suspension plates. The limiting wheel slides against the limiting plate, which facilitates the limiting and guiding of the limiting wheel.

[0015] Furthermore, the water supply module includes a water collection tank, a water collection pipe, a water collection pump, a water storage tank, a water supply pump, and a pipe discharge device. The water storage tank and the water collection tank are respectively located below the upper and lower ends of the photovoltaic panel. The water collection tank collects the wastewater flowing down the photovoltaic panel, and the water storage tank stores clean water for cleaning the photovoltaic panel and clean water that has been left to stand in the water collection tank. The water storage tank and the water collection tank are connected by a water collection pipe. The water collection pump is installed on the water collection pipe. The water collection pump periodically pumps the clarified clean water in the water collection tank to the water storage tank for later use. A water supply pump and a hose release device are installed at the water storage tank. One end of the hose is connected to the inner cavity of the water storage tank through the water supply pump, and the other end is fixed to the pipe seat. The water supply pump and the hose pump clean water in the water storage tank to the cleaning brush for cleaning. The hose body between the two ends is stored in the hose release device. The hose is released and retracted by the hose release device. That is, when the cleaning module moves with the moving module to perform the cleaning operation, the hose release device gradually releases the hose to avoid it pulling on the cleaning module and affecting its movement. When the cleaning module completes the cleaning operation and returns to its original position with the moving module, the hose release device gradually retracts the hose to prevent it from becoming scattered and affecting the operation of other components or affecting the next use.

[0016] Furthermore, both the water storage tank and the water collection tank are equipped with guide plates on their outer sides. The guide plates include an integrally formed vertical part and an inclined part. During actual cleaning operations, most of the water flows down the lower end of the photovoltaic panel into the water collection tank, while a small portion of the water (generally clean water that has not yet participated in the cleaning operation) splashes or flows out from the upper end of the photovoltaic panel into the water storage tank. The guide plates can guide the water flowing out from the upper or lower end of the photovoltaic panel and can also block some external dust and other pollutants. The openings of the water storage tank and the water collection tank are respectively equipped with dustproof mesh panels to reduce foreign object contamination of the water source inside the tank, while not affecting the collection of external water flow. The upper side of the dustproof mesh panels is equipped with dense bristles to further improve the anti-pollution effect.

[0017] Furthermore, the cleaning brush is disc-shaped, which is convenient to manufacture and install, and it is made of sponge, which is easy to obtain and replace. The hose fixed on the tube base is equipped with two outputs forming a Y-shaped structure. The two output ports are located above one opposite side of the cleaning brush, providing multiple points of clean water to flow into the cleaning brush, which quickly disperses into the cleaning brush and performs rinsing.

[0018] Compared with the prior art, the beneficial effects of this utility model are:

[0019] (1) This utility model uses a rotating cleaning brush and a water spray pipe above it to combine water washing and brushing, which greatly improves the cleaning quality and efficiency of the photovoltaic panel's light-receiving surface. The cleaning brush can maintain automatic cleaning for a long time, and the cleaning effect is stable. In addition, this utility model uses a moving module to drive the cleaning module to move up and down and left and right along the photovoltaic panel's light-receiving surface. It can automatically clean the surface of the photovoltaic panel during use and can clean the entire photovoltaic panel, avoiding the accumulation of dust after long-term use. No manual intervention is required throughout the process, making operation more convenient and cleaning more efficient, ensuring the power generation efficiency of the photovoltaic panel, and cleaning can be carried out at any time as needed.

[0020] (2) This utility model drives the cleaning module to move up and down by fixing the two ends of the transmission belt, and is supplemented by guide wheel and guide rail for limiting. The cleaning module moves left and right by gear and rack meshing transmission, and is supplemented by limit wheel for limiting. The transmission device has higher stability, ensuring the smooth movement of the cleaning module and the cleaning effect. It has achieved certain improvements in precision control, dynamic response and motion stability.

[0021] (3) Set up structures such as water collection tank, water collection pipe, and water collection pump to realize wastewater recycling and reuse, and save water resources. Attached Figure Description

[0022] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0023] Figure 1 This is a schematic diagram of the isometric view of this utility model.

[0024] Figure 2 This is an isometric view of the present invention after the protective shell of the moving module has been removed.

[0025] Figure 3 This is an isometric view of the cleaning module of this utility model.

[0026] Figure 4 This is an exploded view of the cleaning module of this utility model.

[0027] Figure 5 This is an isometric view of the mobile module (equipped with a cleaning module) of this utility model.

[0028] Figure 6This is an exploded view of the mobile module (equipped with a cleaning module) of this utility model.

[0029] Figure 7 This is an isometric view of the water supply module (connected to a cleaning module) of this utility model.

[0030] Figure 8 This is a schematic diagram of the isometric view and a partial enlarged view of the support module of this utility model.

[0031] Figure 9 This is a schematic diagram of the cleaning route of this utility model.

[0032] In the diagram: 1. Cleaning module; 2. Moving module; 3. Water supply module; 4. Support module; 5. Hoses; 6. Cleaning bracket; 7. Pipe seat; 8. Pressure block; 9. Cleaning power source; 10. Cleaning brush; 11. Moving frame; 12. Guide rail; 13. Clearance opening; 14. Active tension wheel; 15. Driven tension wheel; 16. Drive belt; 17. Longitudinal power source; 18. Shaft seat; 19. Drive shaft; 20. Driving gear; 21. Driven gear; 22. Lateral power source; 23. Rack; 24. Limiting wheel; 25. Synchronous pulley; 26. Synchronous belt; 27. Support frame; 28. Upper crossbeam plate; 29. ​​Lower crossbeam plate; 30. Limiting clamping plate; 31. Water collection tank; 32. Water collection pipe; 33. Water collection pump; 34. Water storage tank; 35. Water supply pump; 36. Guide plate; 37. Dustproof mesh plate; 38. Connecting sleeve; 39. With fixing plate; 40. Clamping plate; 41. Cover plate; 42. C-shaped mounting plate; 43. Limiting plate; 44. Limiting shaft; 45. Vertical guide wheel; 46. Horizontal guide wheel. Detailed Implementation

[0033] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0034] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0035] Example 1

[0036] This embodiment provides a mountain photovoltaic panel cleaning device, such as... Figure 1-2 As shown, the system includes a cleaning module 1, a moving module 2, a water supply module 3, and a support module 4. The moving module 2 is mounted on the support module 4. The support module 4 can be a support structure added to the photovoltaic bracket or a support structure independently set outside the photovoltaic module. The cleaning module 1 is mounted on the moving module 2 and can move the cleaning module 1 left and right and up and down along the light-receiving surface of the photovoltaic panel. Specifically, it can use screw drive, chain drive, belt drive, hydraulic drive, etc. The water supply module 3 is located at the lower end of the support module 4 and provides cleaning water to the cleaning module 1 through a hose 5 (or water pipe). That is, the water supply module 3 stores water and can deliver it to the cleaning module 1 through the hose 5 for its use. In this embodiment, the cleaning module 1, moving module 2, and water supply module 3 can be controlled by a PLC controller, etc., and combined with sensors to realize intelligent cleaning operation. Specifically, sensors or scanning cameras can be installed to identify the contamination of the photovoltaic panel surface, and then the controller controls the various modules of the cleaning device to cooperate in the cleaning operation. Alternatively, a controller can be used alone, with a set interval for periodic cleaning of the photovoltaic panels. The clarified wastewater in the collection tank 31, as described below, can also be periodically pumped to the storage tank 34 using this method. It should be noted that the PLC controller control and sensor scanning identification described above are existing technologies and will not be elaborated upon here.

[0037] In this embodiment, as Figure 3-4 As shown, the cleaning module 1 includes a cleaning bracket 6, a tube seat 7, a pressure block 8, a cleaning power source 9, and a cleaning brush 10. The cleaning power source 9 and the tube seat 7 are mounted on the cleaning bracket 6. The cleaning brush 10 is located at the output end of the cleaning power source 9 and can drive the cleaning brush 10 to rotate. The flexible tube 5 is fixed to the tube seat 7 by the pressure block 8, and at least one of the pressure block 8 and the tube seat 7 is provided with a groove for accommodating the flexible tube 5, facilitating its installation. The outlet of the flexible tube 5 is located above the cleaning brush 10. More specifically, the cleaning brush 10 is disc-shaped, i.e., a disc brush structure, but it can also be other shapes, such as triangles. The cleaning brush 10 is a sponge brush, or it can also be a nylon brush, etc. The flexible tube 5 fixed on the tube seat 7 has two outputs forming a Y-shaped structure, with the two output ports located above opposite sides of the cleaning brush 10. Of course, to improve the washing effect, it can also be configured with more than two output ports. More specifically, the output end of the cleaning power source 9 is provided with a connecting sleeve 38, and the cleaning brush 10 is disposed on the connecting sleeve 38.

[0038] Example 2

[0039] This embodiment provides a specific structure for the mobile module 2 based on embodiment 1.

[0040] like Figure 5-6 As shown, the mobile module 2 in this embodiment includes a mobile frame 11, a protective shell mounted on the mobile frame 11, a guide rail 12, and a vertical moving mechanism mounted on the mobile frame 11. The mobile frame 11 can be made from a single piece of sheet metal. The protective shell covers the cleaning module 1 and the vertical moving mechanism. The mobile frame 11 is provided with a clearance opening 13 that allows the output end of the cleaning power source 9 to pass through. Specifically, it is a long rectangular opening. The guide rail 12 is provided on both sides of the clearance opening 13. The cleaning bracket 6 is provided with guide wheels. The guide wheels are rotatably mounted and are engaged with the guide rail 12 and can slide along the guide rail 12. The guide wheels here can also be a slider structure. More specifically, the guide rail 12 is provided with an upper sliding groove and a side sliding groove, and the guide wheels include vertical guide wheels 45 and horizontal guide wheels 46. The cleaning bracket 6 is provided with a pair of vertical guide wheels 45 and horizontal guide wheels 46. The vertical guide wheels 45 are engaged in the upper sliding groove of the guide rail 12, and the horizontal guide wheels 46 are engaged in the side sliding groove of the guide rail 12. The aforementioned upper sliding groove and side sliding groove are both C-shaped groove structures.

[0041] In this embodiment, the up-and-down moving mechanism is connected to the cleaning bracket 6 and can drive it to move up and down. The up-and-down moving mechanism includes an active tensioning wheel 14, a driven tensioning wheel 15, a transmission belt 16, and a longitudinal moving force source 17. The transmission belt 16 has an open structure, and its two ends are respectively fixed to the cleaning bracket 6. Specifically, a fixing plate 39 is set at the upper and lower ends of the cleaning bracket 6, and the end of the transmission belt 16 is pressed onto the fixing plate 39 by a clamping plate 40. Then, bolts are used to fix it (connection holes can be opened in advance on the fixing plate 39, the clamping plate 40, and the two ends of the transmission belt 16).

[0042] The active tensioning wheel 14 and the driven tensioning wheel 15 are respectively disposed at the upper and lower ends of the movable frame 11. To protect their rotation from interference and to ensure more stable rotation, a cover plate 41 is typically installed on the movable frame 11 at the locations of the active and driven tensioning wheels 14 and 15, with the upper ends of the active and driven tensioning wheels 14 and 15 rotatably connected to the cover plate 41. The longitudinal motion power source 17 is disposed on the movable frame 11, specifically mounted on the cover plate 41 at the location of the active tensioning wheel 14. Its output end is connected to the active tensioning wheel 14 and can drive its rotation. The transmission belt 16 is fitted onto the active and driven tensioning wheels 14 and can rotate in both directions under their combined action. It is understood that the transmission belt 16 can also be a closed annular structure, simply requiring a fixed connection to the cleaning bracket 6 and subsequent forward and reverse rotation.

[0043] In this embodiment, the moving module 2 further includes a left-right moving mechanism mounted on the moving frame 11. The left-right moving mechanism includes a bearing seat 18, a drive shaft 19, a driving gear 20, a driven gear 21, and a lateral moving force source 22. Bearing seats 18 are respectively provided at both ends of the moving frame 11. Both ends of the drive shaft 19 pass through and extend from the bearing seats 18. Driven gears 21 are respectively provided at both ends of the drive shaft 19. The lateral moving force source 22 is mounted on the moving frame 11, specifically by mounting a C-shaped mounting plate 42 at the lower end of the moving frame 11, fixing the lateral moving force source 22 to the C-shaped mounting plate 42. The driving gear 20 is mounted at the output end of the lateral moving force source 22, and the driving gear 20 meshes with the driven gear 21 for transmission. Correspondingly, a rack 23 is provided on the support module 4, and the driven gear 21 meshes with the rack 23 for transmission. In use, the lateral movement power source 22 drives the drive gear 20 to rotate, the drive gear 20 drives the driven gear 21 to rotate, the driven gear 21 rotates and moves along the rack 23, thereby driving the moving frame 11 to move laterally.

[0044] More specifically, the left-right moving mechanism also includes limiting wheels 24, which are rotatably mounted at both ends of the moving frame 11. The limiting wheels 24 and driven gears 21 are located on the upper and lower sides of the rack 23, respectively. The left-right moving mechanism also includes synchronous pulleys 25 and synchronous belts 26. Two drive shafts 19 are mounted on the moving frame 11, and synchronous pulleys 25 are mounted at both ends of the drive shafts 19. The synchronous pulleys 25 on the same side of the two drive shafts 19 are connected by the synchronous belt 26. The limiting wheels 24 can be arranged in a one-to-one correspondence with the driven gears 21, or only one limiting wheel 24 can be provided at each end of the moving frame 11. In this case, it is preferable to position the limiting wheels 24 between the two driven gears 21 at the same end of the moving frame 11.

[0045] The specific installation structure of the limiting wheel 24 is as follows: a limiting plate 43 is set at the upper and lower ends of the mobile frame 11, a limiting shaft 44 is installed on the limiting plate 43, and the limiting wheel 24 is rotatably set on the limiting shaft 44.

[0046] Example 3

[0047] This embodiment provides a specific support module 4 structure based on embodiment 2.

[0048] like Figure 8As shown, the support module 4 in this embodiment includes a support frame 27, an upper crossbeam plate 28, a lower crossbeam plate 29, a limiting plate 30, and a rack 23. Two sets of support frames 27 are arranged opposite each other. The upper and lower ends of the two sets of support frames 27 are connected by the upper crossbeam plate 28 and the lower crossbeam plate 29, respectively. The inner sides of the upper crossbeam plate 28 and the lower crossbeam plate 29 extend into an upper suspension plate and a lower suspension plate, respectively. The limiting plate 30 and the rack 23 are respectively provided on the upper and lower sides of the upper and lower suspension plates. The driven gear 21 meshes with the rack 23. The limiting wheel 24 slides against the limiting plate 30. The limiting plate 30 can be a C-shaped plate or an L-shaped plate.

[0049] The support frame 27 includes a tall column, a short column, a horizontal brace, and a diagonal brace. The tall column and the short column are arranged opposite to each other and are connected and fixed together by the horizontal brace and the diagonal brace.

[0050] Example 4

[0051] This embodiment provides a specific structure for a water supply module 3 based on embodiment 3.

[0052] like Figure 7 As shown, the water supply module 3 in this embodiment includes a water collection tank 31, a water collection pipe 32, a water collection pump 33, a water storage tank 34, a water supply pump 35, and a pipe-releasing device. The water storage tank 34 and the water collection tank 31 are respectively located below the upper and lower ends of the photovoltaic panel. The water storage tank 34 and the water collection tank 31 are connected by the water collection pipe 32. The water collection pump 33 is installed on the water collection pipe 32. The water supply pump 35 and the pipe-releasing device (not shown in the figure) are installed at the water storage tank 34. One end of the flexible hose 5 is connected to the inner cavity of the water storage tank 34 through the water supply pump 35, and the other end is fixed to the pipe seat 7. The hose body between the two ends is stored in the pipe-releasing device. The flexible hose 5 is released and retracted by the pipe-releasing device. When there is external tension pulling the flexible hose 5, the pipe-releasing device releases the flexible hose 5, but always maintains a certain tension on the flexible hose 5. The flexible hose 5 is immediately retracted after the external tension disappears. For example, it can be a winding and unwinding device, which can adopt existing technology. Alternatively, the pipe-laying device can be omitted, relying on the weight of the flexible hose 5 itself and the traction force of the moving mechanism to prevent it from accumulating on the photovoltaic panel. Both the water storage tank 34 and the water collection tank 31 are equipped with guide plates 36 on their outer sides. Each guide plate 36 includes an integrally formed vertical section and an inclined section. The openings of the water storage tank 34 and the water collection tank 31 are respectively equipped with dustproof mesh plates 37, with dense bristles on the upper side of the dustproof mesh plates 37.

[0053] In the above embodiments, the cleaning power source 9, the longitudinal movement power source 17, and the transverse movement power source 22 can all be positive and negative motors.

[0054] The working principle of this application is as follows:

[0055] The cleaning power source 9 drives the shaft to rotate, thereby rotating the cleaning brush 10 to achieve the cleaning action of the cleaning brush 10. During the cleaning process, the water supply module 3 guides water to the cleaning brush 10 through the water supply hose 5, both wetting and rinsing it to remove dirt from the photovoltaic panel's light-receiving surface. Simultaneously, the moving module 2 drives the cleaning module 1 to move laterally and longitudinally to complete the cleaning of various parts of the photovoltaic panel. During the cleaning process, water flowing down the slope from the photovoltaic panel's light-receiving surface (the surface being cleaned) flows into the water collection tank 31. Once the dirty water has settled and cleared, it is pumped out (periodically) and guided through the water collection pipe 32 to the water storage tank 34 for recycling. Only periodic maintenance and cleaning of the water tank are required, greatly reducing manpower.

[0056] The cleaning method used in this application is as follows:

[0057] like Figure 9 As shown, during the cleaning process of the cleaning device, the cleaning brush 10 moves repeatedly in the horizontal and vertical directions based on the moving module 2, realizing the Z-shaped cleaning operation of the cleaning brush 10.

[0058] Furthermore, in the description of this utility model, unless otherwise stated, the terms "multiple," "multiple roots," and "multiple groups" mean two or more, and "several," "several roots," and "several groups" mean one or more. In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation; therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first," "second," and "third" are used only for descriptive purposes and should not be construed as indicating or implying relative importance.

[0059] The specific embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present invention.

Claims

1. A mountain photovoltaic panel cleaning device, comprising a cleaning module (1), a moving module (2), a water supply module (3), and a support module (4), wherein the moving module (2) is mounted on the support module (4), the cleaning module (1) is mounted on the moving module (2), and the cleaning module (1) can be moved left and right and up and down along the light-receiving surface of the photovoltaic panel; the water supply module (3) is located at the lower end of the support module (4) and provides cleaning water to the cleaning module (1) through a hose (5), characterized in that: The cleaning module (1) includes a cleaning bracket (6), a pipe seat (7), a pressure block (8), a cleaning power source (9), and a cleaning brush (10). The cleaning power source (9) and the pipe seat (7) are installed on the cleaning bracket (6). The cleaning power source (9) is equipped with the cleaning brush (10) at its output end and can drive the cleaning brush (10) to rotate. The hose (5) is fixed to the pipe seat (7) by the pressure block (8). The outlet of the hose (5) is located above the cleaning brush (10).

2. The mountain photovoltaic panel cleaning device according to claim 1, characterized in that: The mobile module (2) includes a mobile frame (11), a guide rail (12), and a vertical moving mechanism mounted on the mobile frame (11). The mobile frame (11) is provided with a clearance opening (13) that allows the output end of the cleaning power source (9) to pass through. The guide rail (12) is provided on both sides of the clearance opening (13). The cleaning bracket (6) is provided with a guide wheel. The guide wheel is locked on the guide rail (12) and can slide along the guide rail (12). The vertical moving mechanism is connected to the cleaning bracket (6) and can drive it to move up and down.

3. The mountain photovoltaic panel cleaning device according to claim 2, characterized in that: The up-and-down moving mechanism includes an active tensioning wheel (14), a driven tensioning wheel (15), a transmission belt (16), and a longitudinal moving force source (17). The transmission belt (16) has an open structure, with its two ends fixed to the cleaning bracket (6). The active tensioning wheel (14) and the driven tensioning wheel (15) are respectively set at the upper and lower ends of the moving frame (11). The longitudinal moving force source (17) is set on the moving frame (11), and its output end is connected to the active tensioning wheel (14). The transmission belt (16) is sleeved on the active tensioning wheel (14) and the driven tensioning wheel (15) and can rotate in both directions under their action.

4. The mountain photovoltaic panel cleaning device according to claim 2, characterized in that: The guide rail (12) is provided with an upper sliding groove and a side sliding groove. The guide wheel includes a vertical guide wheel (45) and a horizontal guide wheel (46). The cleaning bracket (6) is provided with a pair of vertical guide wheels (45) and horizontal guide wheels (46). The vertical guide wheel (45) is locked in the upper sliding groove of the guide rail (12), and the horizontal guide wheel (46) is locked in the side sliding groove of the guide rail (12).

5. The mountain photovoltaic panel cleaning device according to claim 2, characterized in that: The moving module (2) also includes a left and right moving mechanism mounted on the moving frame (11). The left and right moving mechanism includes a bearing seat (18), a transmission shaft (19), a driving gear (20), a driven gear (21), and a lateral moving force source (22). The moving frame (11) is provided with bearing seats (18) at both ends. The two ends of the transmission shaft (19) are respectively passed through the bearing seats (18) and extend out of the bearing seats (18). The two ends of the transmission shaft (19) are respectively provided with driven gears (21). The lateral moving force source (22) is mounted on the moving frame (11). The output end of the lateral moving force source (22) is equipped with the driving gear (20). The driving gear (20) meshes with the driven gear (21) for transmission. The support module (4) is provided with a rack (23), and the driven gear (21) meshes with the rack (23) for transmission.

6. The mountain photovoltaic panel cleaning device according to claim 5, characterized in that: The left and right moving mechanism also includes a limiting wheel (24), and the limiting wheel (24) is rotatably set at both ends of the moving frame (11). The limiting wheel (24) and the driven gear (21) are located on the upper and lower sides of the rack (23), respectively. The left and right moving mechanism also includes a synchronous pulley (25) and a synchronous belt (26). Two drive shafts (19) are provided on the moving frame (11), and synchronous pulleys (25) are provided at both ends of the drive shafts (19). The synchronous pulleys (25) on the same side of the two drive shafts (19) are connected by a synchronous belt (26).

7. The mountain photovoltaic panel cleaning device according to claim 6, characterized in that: The support module (4) includes a support frame (27), an upper crossbeam plate (28), a lower crossbeam plate (29), a limiting plate (30), and a rack (23). The support frame (27) is provided in two sets and is arranged opposite to each other. The upper and lower ends of the two sets of support frames (27) are connected by the upper crossbeam plate (28) and the lower crossbeam plate (29) respectively. The upper and lower suspension plates extend from the inner sides of the upper crossbeam plate (28) and the lower crossbeam plate (29) respectively. The limiting plate (30) and the rack (23) are respectively provided on the upper and lower sides of the upper and lower suspension plates. The limiting wheel (24) slides against the limiting plate (30).

8. The mountain photovoltaic panel cleaning device according to any one of claims 1-7, characterized in that: The water supply module (3) includes a water collection tank (31), a water collection pipe (32), a water collection pump (33), a water storage tank (34), a water supply pump (35), and a pipe release device. The water storage tank (34) and the water collection tank (31) are respectively located below the upper and lower ends of the photovoltaic panel. The water storage tank (34) and the water collection tank (31) are connected by the water collection pipe (32). The water collection pump (33) is installed on the water collection pipe (32). The water supply pump (35) and the pipe release device are installed at the water storage tank (34). One end of the hose (5) is connected to the inner cavity of the water storage tank (34) through the water supply pump (35), and the other end is fixed on the pipe seat (7). The hose body between the two ends is stored in the pipe release device. The hose (5) is released and released by the pipe release device.

9. The mountain photovoltaic panel cleaning device according to claim 8, characterized in that: Both the water storage tank (34) and the water collection tank (31) are provided with guide plates (36) on their outer sides. The guide plates (36) include an integrally formed vertical part and an inclined part. The openings of the water storage tank (34) and the water collection tank (31) are respectively provided with dustproof mesh plates (37). The upper side of the dustproof mesh plates (37) is provided with dense bristles.

10. The mountain photovoltaic panel cleaning device according to claim 1, characterized in that: The cleaning brush (10) is disc-shaped and uses a sponge brush. The hose (5) fixed on the tube seat (7) is provided with two outputs forming a Y-shaped structure, and the ports of the two outputs are respectively located above one opposite side of the cleaning brush (10).

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