Photovoltaic panel cleaning device

Abstract

The invention relates to the technical field of photovoltaic panel cleaning, in particular to a photovoltaic panel cleaning device which comprises a shell. The moving assembly is connected to the shell and is arranged to be capable of driving the shell to move relative to the photovoltaic panel; and the brushing assembly is connected to the shell and comprises a cleaning brush and a cleaning piece, the cleaning brush can be driven to brush the photovoltaic panel, and the cleaning piece is arranged to be capable of cleaning the cleaning brush. The moving assembly drives the brushing assembly to move on the photovoltaic panel, the photovoltaic panel is cleaned through the cleaning brush, the brushing assembly is provided with the cleaning part and is specially used for cleaning the cleaning brush, and after the cleaning brush is used for a period of time, the cleaning brush can be cleaned through the cleaning part of the brushing assembly, so that the cleaning capacity of the cleaning brush is prevented from being reduced, and the cleaning efficiency of the photovoltaic panel is improved. And secondary pollution of the cleaning brush to the photovoltaic panel is avoided, the cleaning brush does not need to be detached for cleaning, operation is convenient, and therefore the cleaning efficiency is improved.

Description

Technical Field

[0001] This application relates to the field of photovoltaic panel cleaning technology, and in particular to a photovoltaic panel cleaning device. Background Technology

[0002] A solar photovoltaic panel is a semiconductor device that can directly convert sunlight into electrical energy. Through the photovoltaic effect, electrons are excited to form an electric current. In use, it is usually assembled from multiple solar cells in a certain way and is the core component of a solar power generation system.

[0003] Currently, new energy photovoltaic panels are mainly used by installing them on brackets. Since photovoltaic panels are installed outdoors, their surfaces will be covered with dust or bird droppings and other impurities. These impurities will block the sunlight that should be shining on the photovoltaic panels, reducing their power generation efficiency. Therefore, it is necessary to clean the photovoltaic panels regularly.

[0004] Traditional cleaning methods involve manual cleaning, where people use hand tools to clean photovoltaic panels. However, due to the large number of photovoltaic panels in large power plants, manual cleaning is inefficient. Therefore, a track-mounted automatic cleaning device is currently used. This device moves along tracks laid between the photovoltaic panel arrays and cleans the panels using brushes. However, the brushes accumulate impurities after prolonged use, reducing their cleaning ability and even causing secondary pollution to the photovoltaic panels. Therefore, the brushes need to be removed and cleaned periodically, further reducing cleaning efficiency. Summary of the Invention

[0005] This application provides a photovoltaic panel cleaning device to solve the problem in the prior art that requires periodic removal of brushes for cleaning.

[0006] This application provides a photovoltaic panel cleaning device, including a housing; a moving component connected to the housing and configured to move the housing relative to the photovoltaic panel; and a cleaning component connected to the housing, including a cleaning brush and a cleaning element, wherein the cleaning brush can be driven to clean the photovoltaic panel, and the cleaning element is configured to clean the cleaning brush.

[0007] Preferably, the cleaning element is formed as a plate-like structure, and the cleaning brush can be driven to move relative to the cleaning element so that the cleaning element can scrape off the impurities attached to the cleaning brush.

[0008] Preferably, the cleaning brush assembly further includes a first connecting rod disposed at the end of the cleaning brush, and an arc-shaped groove is formed on the housing. The first connecting rod is slidably disposed in the arc-shaped groove, and the cleaning brush can move upward along the extension direction of the arc-shaped groove under the drive of the first connecting rod. The cleaning component is disposed on the moving path of the cleaning brush.

[0009] Preferably, the cleaning assembly further includes a connector movably disposed relative to the housing and a first driving member connected to the connector. The first link is slidably connected to the connector, and the connector can be driven by the first driving member to move in the vertical direction, so as to drive the first link to slide relative to the connector while sliding along the arc-shaped groove.

[0010] Preferably, a first horizontally arranged groove is formed on the connector, the first connecting rod is slidably connected to the first groove, a second groove extending in a vertical direction is formed on the housing, the connector is slidably connected to the second groove, and under the drive of the first driving member, the first connecting rod slides along the first groove and the arc-shaped groove, and the connector slides along the second groove.

[0011] Preferably, the cleaning brush assembly further includes a second driving member, a driving gear connected to the second driving member, and a driven gear meshing with the driving gear. The second driving member is disposed on the housing. The driving gear is concentric with the arc-shaped groove, which is located outside the contour of the driving gear. The driven gear is sleeved on the outer periphery of the first connecting rod. The driven gear can rotate circumferentially by meshing with the driving gear under the drive of the second driving member, and can move along the outer periphery of the driving gear under the drive of the first driving member, so that the cleaning brush moves to the cleaning part in a circumferentially rotating state.

[0012] Preferably, the cleaning assembly also includes a collection box disposed below the cleaning component to collect impurities scraped off the cleaning brush by the cleaning component.

[0013] Preferably, the photovoltaic panel cleaning device further includes an installation component, which includes a positioning wheel with its axis in the vertical direction. The positioning wheel can be driven to fit against the frame edge of the photovoltaic panel and can be driven by a moving component to roll along the frame edge of the photovoltaic panel.

[0014] Preferably, the mounting assembly further includes a mounting shell connected to the housing, a third drive member disposed on the mounting shell, and a mounting plate movably disposed within the mounting shell. The positioning wheel is rotatably connected to the mounting plate, and the mounting plate can drive the positioning wheel to move to the frame edge that fits against the photovoltaic panel under the drive of the third drive member.

[0015] Preferably, the third driving component includes a screw rotatably connected inside the mounting housing and a knob rotatably connected outside the mounting housing. The mounting assembly also includes a transmission block threadedly connected to the screw and a transmission rod rotatably connected at one end to the transmission block. The other end of the transmission rod is rotatably connected to the mounting plate. The transmission block can move along the screw under the rotation of the screw and drive the mounting plate to move relative to the mounting housing through the transmission rod.

[0016] The beneficial effects of this application are as follows:

[0017] The moving component drives the cleaning component to move on the photovoltaic panel, and cleans the photovoltaic panel with the cleaning brush. The cleaning component is equipped with a cleaning part specifically for cleaning the cleaning brush. After the cleaning brush has been used for a period of time, it can be cleaned by the cleaning part built into the cleaning component, thus preventing the cleaning brush from losing its cleaning ability and preventing the cleaning brush from causing secondary pollution to the photovoltaic panel. There is no need to remove the cleaning brush for cleaning, making the operation convenient and improving cleaning efficiency. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the specific embodiments of this application or the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this application. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0019] Figure 1 A perspective view of the photovoltaic panel cleaning device provided in the embodiments of this application;

[0020] Figure 2 for Figure 1 A three-dimensional view of the photovoltaic panel cleaning device from another perspective;

[0021] Figure 3 for Figure 1 Front view of the photovoltaic panel cleaning device;

[0022] Figure 4 for Figure 1 Cross-sectional view of a photovoltaic panel cleaning device;

[0023] Figure 5 for Figure 4 A magnified view of part A in the image;

[0024] Figure 6 for Figure 1 A perspective view of a portion of the cleaning assembly and a portion of the spraying assembly of a photovoltaic panel cleaning device;

[0025] Figure 7 for Figure 1 A cross-sectional view of the installation components of the photovoltaic panel cleaning device; and

[0026] Figure 8 for Figure 1 Exploded view of the squeegee assembly of a photovoltaic panel cleaning device.

[0027] Figure label:

[0028] 10. Housing; 11. Arc-shaped groove; 12. Second groove;

[0029] 20. Moving component; 21. Connecting frame; 22. Fourth drive component; 23. Second link; 24. Moving wheel;

[0030] 30. Cleaning assembly; 31. Cleaning brush; 32. Cleaning component; 33. First connecting rod; 34. Connector; 341. First slide groove; 35. First driving component; 36. Second driving component; 37. Drive gear; 38. Driven gear; 39. Collection box;

[0031] 40. Mounting component; 41. Positioning wheel; 42. Mounting housing; 421. Third slide rail; 43. Third drive component; 431. Screw; 432. Knob; 44. Mounting plate; 45. Transmission block; 46. Transmission rod; 47. Concealed cover;

[0032] 50. Sprinkler assembly; 51. Water pipe; 52. Sprinkler head; 53. Water tank; 531. Inlet pipe; 532. Cover; 54. Water pump; 55. Connecting pipe;

[0033] 60. Wiper assembly; 61. Bracket; 611. Mounting slot; 62. Connecting block; 63. Wiper blade; 64. Spring; 65. Guide rod. Detailed Implementation

[0034] The technical solutions of this application will be clearly and completely described below with reference to the embodiments. Obviously, the described embodiments are only some embodiments of this application, not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0035] The following is combined Figures 1 to 8 This application describes a photovoltaic panel cleaning device provided in an embodiment, including a housing 10; a moving component 20 connected to the housing 10 and configured to drive the housing 10 to move relative to the photovoltaic panel; and a cleaning component 30 connected to the housing 10, including a cleaning brush 31 and a cleaning element 32, wherein the cleaning brush 31 can be driven to clean the photovoltaic panel, and the cleaning element 32 is configured to clean the cleaning brush 31.

[0036] The moving component 20 moves the housing 10, which in turn moves the cleaning brush 31 along the photovoltaic panel. During the movement, the cleaning brush 31 cleans impurities on the surface of the photovoltaic panel. After a period of time, impurities will adhere to the surface of the cleaning brush 31. At this point, the moving component 20 can be stopped, or it can continue to run while the cleaning component 32 is used to clean the cleaning brush 31. This prevents the cleaning ability of the cleaning brush 31 from decreasing and avoids secondary pollution of the photovoltaic panel by the cleaning brush 31. The cleaning brush 31 does not need to be removed when cleaning, making operation convenient and improving cleaning efficiency.

[0037] Please refer to Figure 4 , Figure 5 and Figure 6 , Figure 4 This is a cross-sectional view of a photovoltaic panel cleaning device. Figure 5 for Figure 4 A magnified view of part A in the image. Figure 6 A perspective view of a portion of the cleaning assembly 30 and a portion of the spray assembly 50.

[0038] In some embodiments provided in this application, the cleaning member 32 is formed as a plate-like structure, and the cleaning brush 31 can be driven to move relative to the cleaning member 32 so that the cleaning member 32 can scrape off the impurities attached to the cleaning brush 31.

[0039] When cleaning the cleaning brush 31, the cleaning brush 31 is moved to the cleaning component 32 and moved along the edge of the cleaning component 32, scraping off the impurities attached to the cleaning brush 31 through the cleaning component 32. The cleaning component 32 is fixedly connected to the housing 10 to withstand the force applied to the cleaning component 32 by the cleaning brush 31.

[0040] Please continue reading. Figure 4 , Figure 5 and Figure 6 In some embodiments provided in this application, the cleaning brush assembly 30 further includes a first connecting rod 33 disposed at the end of the cleaning brush 31. An arc-shaped groove 11 is formed on the housing 10. The first connecting rod 33 is slidably disposed in the arc-shaped groove 11. The cleaning brush 31 can move upward along the extension direction of the arc-shaped groove 11 under the drive of the first connecting rod 33. The cleaning component 32 is disposed on the moving path of the cleaning brush 31.

[0041] Before the cleaning brush 31 moves, the cleaning component 32 is diagonally above the cleaning brush 31. The extension direction of the arc-shaped groove is the direction in which the cleaning brush 31 faces the cleaning component 32. The center of the arc-shaped slide groove 11 is at the top. The first connecting rod 33 slides upward along the arc-shaped slide groove 11, driving the cleaning brush 31 to move upward to the cleaning component 32 and move along the edge of the cleaning component 32. The cleaning component 32 scrapes away the impurities attached to the cleaning brush 31.

[0042] Specifically, the surface of the first connecting rod 33 is smooth to allow for sliding contact with the wall of the arc-shaped groove 11, and the diameter of the first connecting rod 33 is smaller than the diameter of the cleaning brush 31 to prevent the width of the arc-shaped groove from being too large. A first connecting rod 33 is provided at each end of the cleaning brush 31. The housing 10 is formed as a cuboid, and arc-shaped grooves 11 corresponding to the first connecting rods 33 are formed on its two inner sidewalls facing the cleaning brush 31. The two connecting rods move simultaneously along the arc-shaped grooves 11, driving the cleaning brush 31 to move, thus stabilizing the movement of the cleaning brush 31.

[0043] Please continue reading. Figure 4 , Figure 5 and Figure 6 In some embodiments provided in this application, the cleaning assembly 30 further includes a connector 34 movably disposed relative to the housing 10 and a first driving member 35 connected to the connector 34. The first connecting rod 33 is slidably connected to the connector 34. The connector 34 can be driven by the first driving member 35 to move in the vertical direction, so as to drive the first connecting rod 33 to slide relative to the connector 34 while sliding along the arc-shaped groove 11.

[0044] The first connecting rod 33 and the cleaning brush 31 move along the extension direction of the arc-shaped slide groove 11. If the first driving member 35 is connected to the first connecting rod 33 or the cleaning brush 31, then the first driving member 35 also needs to move, which is difficult to achieve. Therefore, a connecting member 34 is provided, and the first driving member 35 is connected to the connecting member 34. The first connecting rod 33 slides relative to the connecting member 34 while sliding along the arc-shaped slide groove 11, which replaces the movement of the first driving member 35. Therefore, the first driving member 35 only needs to be fixed relative to the housing 10 to drive the first connecting rod 33 to move upward along the arc-shaped slide groove 11.

[0045] Specifically, the connecting member 34 is configured to correspond one-to-one with the two first connecting rods 33, and the first driving member 35 is configured to correspond one-to-one with the two connecting members 34. The first driving member 35 can be an electric telescopic rod, a hydraulic cylinder, or a pneumatic cylinder.

[0046] Please continue reading. Figure 4 , Figure 5 and Figure 6 In some embodiments provided in this application, a horizontally arranged first slide groove 341 is formed on the connector 34, and the first connecting rod 33 is slidably connected to the first slide groove 341. A second slide groove 12 extending in a vertical direction is formed on the housing 10, and the connector 34 is slidably connected to the second slide groove 12. Under the drive of the first driving member 35, the first connecting rod 33 slides along the first slide groove 341 and the arc-shaped slide groove 11, and the connector 34 slides along the second slide groove 12.

[0047] The first driving member 35 shortens, causing the first connecting rod 33 to move upward. Under the constraint of the arc-shaped sliding groove 11, the first connecting rod 33 slides horizontally along the first sliding groove 341 of the connecting member 34. In other words, the vertical and horizontal movements of the first connecting rod 33 work together to achieve an inclined upward movement of the first connecting rod 33 along the arc-shaped sliding groove 11. Similarly, the first driving member 35 extends, causing the first connecting rod 33 to move downward and return to its original position. In this position, the cleaning brush 31 can clean the photovoltaic panel. The connecting member 34 moves vertically; therefore, a second sliding groove 12 extending vertically is provided. The connecting member 34 slides in conjunction with the second sliding groove 12. The second sliding groove 12 stabilizes the movement of the connecting member 34, enabling it to withstand the force applied to the connecting member 34 during the sliding of the first connecting rod 33 along the connecting member 34.

[0048] Specifically, the housing 10 has four second sliding grooves 12, with each pair of second sliding grooves 12 arranged opposite to each other, and each connector 34 is slidably connected to the two oppositely arranged second sliding grooves 12 on its opposite sides.

[0049] Please continue reading. Figure 4 , Figure 5 and Figure 6 In some embodiments provided in this application, the cleaning brush assembly 30 further includes a second driving member 36, a driving gear 37 connected to the second driving member 36, and a driven gear 38 meshing with the driving gear 37. The second driving member 36 is disposed on the housing 10. The driving gear 37 is concentric with the arc-shaped slide groove 11, which is located outside the contour of the driving gear 37. The driven gear 38 is sleeved on the outer periphery of the first connecting rod 33. The driven gear 38 can rotate circumferentially by meshing with the driving gear 37 under the drive of the second driving member 36, and can move along the outer periphery of the driving gear 37 under the drive of the first driving member 35, so that the cleaning brush 31 moves to the cleaning member 32 in a circumferentially rotating state.

[0050] During the cleaning process, the second drive unit 36 ​​drives the drive gear 37 to rotate, which in turn drives the driven gear 38 to rotate. The driven gear 38, through the first connecting rod 33, drives the cleaning brush 31 to rotate, achieving the best cleaning effect. When the cleaning brush 31 needs to move to the cleaning part 32 for cleaning, the second drive unit 36 ​​stops, and the first drive unit 35 starts, driving the connecting rod to move along the arc-shaped slide groove 11 through the connecting member 34. At this time, the driven gear 38 moves along the outer circumference of the drive gear 37. Simultaneously, due to the meshing effect, the driven gear 38 also rotates. That is to say, the driven gear 38 and the drive gear 37 form a planetary gear set. The first connecting rod 33 slides along the arc-shaped slide groove 11 and along the first slide groove 341 of the connecting member 34, while also rotating. This causes the cleaning brush 31 to move along the edge of the cleaning part 32 while also rotating, thereby scraping away the impurities attached to the entire circumference of the cleaning brush 31, ensuring the best cleaning effect of the cleaning brush 31.

[0051] Specifically, the first connecting rod 33 is cylindrical to allow it to rotate within the arc-shaped slide groove 11 and the first slide groove 341. The diameter of the driving gear 37 is larger than the diameter of the driven gear 38. The first slide groove 341 is an elongated hole through which the first connecting rod 33 passes and connects to the driven gear 38. The driven gear 38 and the cleaning brush 31 are located on opposite sides of the connecting member 34, meaning the connecting member 34 is confined between the driven gear 38 and the cleaning brush 31, thus preventing the first connecting rod 33 from disengaging from the connecting member 34. The second driving member 36 can be a motor.

[0052] Please refer to Figure 4 and Figure 5In some embodiments provided in this application, the cleaning assembly 30 further includes a collection box 39 disposed below the cleaning member 32 to collect impurities on the cleaning brush 31 scraped off by the cleaning member 32.

[0053] The impurities scraped off by the cleaning brush 31 at the cleaning part 32 fall into the collection box 39, where they are collected and centrally cleaned.

[0054] Specifically, the collection box 39 is connected to the housing 10 in a drawer-like manner. The collection box 39 is equipped with a handle. After the collection box 39 has been used for a period of time, the collection box 39 can be removed from the housing 10 by using the handle to facilitate cleaning of the collection box 39.

[0055] Please refer to Figures 1 to 3 and Figure 7 ,in, Figure 1 and Figure 3 This is a diagram illustrating a photovoltaic panel cleaning device provided in an embodiment of this application. Figure 7 A cross-sectional view of the mounting component 40.

[0056] In some embodiments provided in this application, the photovoltaic panel cleaning device further includes a mounting component 40, which includes a positioning wheel 41. The positioning wheel 41 is axially vertical and can be driven to fit against the frame edge of the photovoltaic panel, and can be driven by the moving component 20 to roll along the frame edge of the photovoltaic panel.

[0057] The sidewall of the positioning wheel 41 is attached to the edge of the photovoltaic panel frame to position the photovoltaic panel cleaning device. Furthermore, driven by the moving component 20, the positioning wheel 41 rolls along the edge of the photovoltaic panel frame to guide the movement and prevent the photovoltaic panel cleaning device from shifting, thereby achieving comprehensive cleaning of the photovoltaic panel.

[0058] Specifically, two mounting components 40 are configured, located on opposite sides of the housing 10. The positioning wheels 41 of the two mounting components 40 are respectively attached to the frame edges on opposite sides of the photovoltaic panel, jointly defining the installation position and movement path of the photovoltaic panel cleaning device on the photovoltaic panel. Each mounting component 40 is equipped with two positioning wheels 41, making the movement of the photovoltaic panel cleaning device more stable.

[0059] Please continue reading. Figures 1 to 3 and Figure 7 In some embodiments provided in this application, the mounting assembly 40 further includes a mounting shell 42 connected to the housing 10, a third driving member 43 disposed on the mounting shell 42, and a mounting plate 44 movably disposed within the mounting shell 42. The positioning wheel 41 is rotatably connected to the mounting plate 44, and the mounting plate 44 can drive the positioning wheel 41 to move to the frame edge that fits the photovoltaic panel under the drive of the third driving member 43.

[0060] The mounting housing 42 has an opening on its side, and the mounting plate 44 is L-shaped, including a horizontal part and a vertical part. The horizontal part slides back and forth at the opening, and the bottom of the vertical part is connected to the positioning wheel 41. The third driving member 43 drives the mounting plate 44 to move horizontally, driving the positioning wheel 41 to move horizontally towards the frame edge of the photovoltaic panel until it fits against the frame edge. After cleaning, the third driving member 43 drives the mounting plate 44 to move horizontally again, driving the positioning wheel 41 to move horizontally towards the frame edge away from the photovoltaic panel until it detaches from the frame edge, and then the photovoltaic panel cleaning device is removed from the photovoltaic panel.

[0061] Please refer to Figure 7 In some embodiments provided in this application, the third driving member 43 includes a screw 431 rotatably connected inside the mounting housing 42 and a knob 432 rotatably connected outside the mounting housing 42. The mounting assembly 40 also includes a transmission block 45 threadedly connected to the screw 431 and a transmission rod 46 rotatably connected at one end to the transmission block 45. The other end of the transmission rod 46 is rotatably connected to the mounting plate 44. The transmission block 45 can move along the screw 431 under the rotation of the screw 431 and drive the mounting plate 44 to move relative to the mounting housing 42 through the transmission rod 46.

[0062] When it is necessary to attach the positioning wheel 41 to the edge of the photovoltaic panel frame, the knob 432 is rotated in the first direction, causing the screw 431 to rotate. The transmission block 45 moves along the axial direction of the screw 431, pushing the mounting plate 44 horizontally away from the screw 431 via the transmission rod 46 until the positioning wheel 41 is attached to the edge of the photovoltaic panel frame. When it is necessary to remove the positioning wheel 41 from the edge of the photovoltaic panel frame, the knob 432 is rotated in the second direction, causing the screw 431 to rotate. The transmission block 45 moves along the axial direction of the screw 431, pulling the mounting plate 44 horizontally towards the screw 431 via the transmission rod 46 until the positioning wheel 41 is removed from the edge of the photovoltaic panel frame. One of the first and second directions is clockwise, and the other is counterclockwise. The operation of turning the knob 432 to drive the positioning wheel 41 is simple and quick. The threaded engagement between the screw 431 and the transmission block 45 can lock it at any time. After the positioning wheel 41 is attached to the edge of the photovoltaic panel frame, the threaded engagement between the screw 431 and the transmission block 45 can keep the positioning wheel 41 in that position, thereby limiting the installation position of the photovoltaic panel cleaning device and guiding the movement direction of the moving component 20.

[0063] Specifically, the transmission blocks 45 and transmission rods 46 are configured in one-to-one correspondence. The screw 431 is divided into two sections with opposite thread directions. When the knob 432 is rotated in the first direction, the two transmission blocks 45 move away from each other, and the two transmission rods 46 jointly push the mounting plate 44 to move. When the knob 432 is rotated in the second direction, the two transmission blocks 45 move closer to each other, and the two transmission rods 46 jointly pull the mounting plate 44 to move. The combined action of the two transmission blocks 45 and the two transmission rods 46 makes the movement of the mounting plate 44 more stable. On the other hand, when the positioning wheel 41 is attached to the edge of the photovoltaic panel frame, it can withstand a greater reaction force from the photovoltaic panel frame, thereby making the positioning wheel 41 fit more tightly against the edge of the photovoltaic panel frame, and thus making the movement of the moving component 20 more stable. Two third sliding grooves 421 are formed inside the mounting housing 42. The extension direction of the third sliding grooves 421 is the same as the axial direction of the screw 431. Each transmission block 45 is slidably connected to one third sliding groove 421.

[0064] The top of the mounting housing 42 is formed as an open opening, and a hidden cover 47 is provided at the open opening to hide the transmission block 45 and the transmission rod 46. The hidden cover 47 can form an integral structure with the mounting housing 42. A handle is provided on the hidden cover 47 to facilitate placing the photovoltaic panel cleaning device on or removing it from the photovoltaic panel.

[0065] Please refer to Figures 1 to 3 In some embodiments provided in this application, the moving component 20 includes a connecting frame 21 connected to the housing 10, a second connecting rod 23 rotatably connected to the connecting frame 21, a moving wheel 24 connected to the second connecting rod 23, and a fourth driving member 22 driving the second connecting rod 23. The moving wheel 24 is configured as two, located at both ends of the second connecting rod 23 respectively. The moving wheel 24 contacts the photovoltaic panel, and under the drive of the fourth driving member 22, the moving wheel 24 rolls along the surface of the photovoltaic panel.

[0066] Specifically, the bottom of the positioning wheel 41 will not contact the photovoltaic panel, thus enabling the positioning wheel 41 to roll along the edge of the photovoltaic panel frame. The fourth driving component 22 can be a motor.

[0067] Please refer to Figure 2 , Figure 3 and Figure 6In some embodiments provided in this application, the photovoltaic panel cleaning device further includes a spray assembly 50. The spray assembly 50 includes a water pipe 51 disposed above the cleaning brush 31 inside the housing 10, a nozzle 52 connected to the water pipe 51, a water tank 53 disposed outside the housing 10, a connecting pipe 55 connecting the water pipe 51 and the water tank 53, and a water pump 54 disposed on the connecting pipe 55. The water tank 53 contains water, which is pumped into the water pipe 51 from the connecting pipe 55 by the water pump 54 and sprayed out from the nozzle 52. Multiple nozzles 52 are spaced apart along the axial direction of the water pipe 51, and the outlet of the nozzles 52 faces downward so as to spray water onto the photovoltaic panel.

[0068] The cleaning brush 31 mixes the water sprayed from the nozzle 52 to clean the photovoltaic panels, resulting in a better cleaning effect.

[0069] Specifically, the water tank 53 is provided with a water inlet, and a water inlet pipe 531 is connected to the water inlet to allow water to flow into the water tank 53. The water inlet pipe 531 and the water tank 53 can be integrated. A cover 532 is provided at the inlet of the water inlet pipe 531. When the water in the water tank 53 is insufficient, the cover 532 is opened to allow water to flow into the water tank 53. When the water in the water tank 53 is sufficient, the cover 532 is used to seal the inlet of the water inlet pipe 531 to prevent the water in the water tank 53 from being contaminated.

[0070] Please refer to Figures 1 to 3 and Figure 8 ,in, Figure 8 This is an exploded view of the wiper assembly 60.

[0071] In some embodiments provided in this application, the photovoltaic panel cleaning device further includes a squeegee assembly 60, which includes a bracket 61 connected to the outside of the housing 10, a connecting block 62 connected to the bracket 61, and a squeegee 63 connected to the connecting block 62. The lowest point of the squeegee 63 is flush with the lowest point of the moving wheel 24 of the moving assembly 20, so as to be able to scrape away the water remaining on the photovoltaic panel.

[0072] Along the moving direction of the moving component 20, the squeegee 63 is located behind the cleaning brush 31. After the cleaning brush 31 cleans the surface of the photovoltaic panel, the squeegee 63 removes the water remaining on the surface of the photovoltaic panel due to cleaning, so as to avoid the residual water forming a water film or water droplets, which would cause a decrease in the power generation efficiency of the photovoltaic panel.

[0073] Specifically, the bracket 61 includes two first horizontal rods, a second horizontal rod connecting the two first horizontal rods, and two vertical rods respectively connecting the two first horizontal rods. The first horizontal rods and the second horizontal rods are perpendicular in the vertical direction and spatially perpendicular to each other. The second horizontal rod connects to the housing 10. The side wall of the vertical rod has a mounting groove 611, and the bottom wall has a through hole communicating with the mounting groove 611. A guide rod 65 is inserted into the mounting groove 611. One end of the guide rod 65 is connected to the groove wall of the mounting groove 611, and the other end protrudes from the through hole and is located outside the mounting groove 611. A spring 64 is sleeved on the guide rod 65. One end of the spring 64 is fixed to the groove wall of the mounting groove 611, and the other end is connected to the connecting block 62. The connecting block 62, the guide rod 65, and the spring 64 are all configured in pairs, with each guide rod 65 and its corresponding spring 64 connected to a vertical rod. The two connecting blocks 62 are connected to different positions of the wiper blade 63 to ensure the stability of the wiper blade 63 during the wiping process. When the wiper blade 63 moves on the surface of the photovoltaic panel, the elastic force of the spring 64 allows the wiper blade 63 to stick tightly to the surface of the photovoltaic panel so as to wipe away all the water on the surface of the photovoltaic panel. When passing through uneven areas, the wiper blade 63 is subjected to force, which compresses the spring 64 through the connecting block 62, thus playing a buffering role.

[0074] In practical use, the photovoltaic panel cleaning device is first placed on the photovoltaic panel using the handle on the mounting housing 42 of the mounting component 40. Then, the knob 432 of the third drive component is rotated to make the positioning wheel 41 contact the edge of the photovoltaic panel frame. This activates the second drive component 36 of the cleaning component 30, the water pump 54 of the spray component 50, and the fourth drive component 22 of the moving component 20. The cleaning brush 31 and the moving wheel 24 rotate, allowing the cleaning brush 31 to clean the surface of the photovoltaic panel. After a certain cleaning time, the second drive component 36 of the cleaning component 30 is activated, moving the cleaning brush 31 towards the cleaning component 32. The cleaning component 32 scrapes off the impurities attached to the cleaning brush 31, which fall into the collection box 39 for centralized cleaning.

[0075] In the description of this application, it should be understood that the terms "width", "upper", "lower", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "circumferential", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application 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 application.

[0076] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0077] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "fixation," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a connection that allows communication between components; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication between two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0078] In this application, the term "some embodiments," etc., refers to a specific feature, structure, material, or characteristic described in connection with that embodiment or example, which is included in at least one embodiment or example of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0079] Although embodiments of this application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting this application. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of this application.

Claims

1. A photovoltaic panel cleaning device, characterized in that, include case; A movable component, connected to the housing, is configured to move the housing relative to the photovoltaic panel; as well as A cleaning assembly, connected to the housing, includes a cleaning brush and a cleaning component. The cleaning brush can be driven to clean the photovoltaic panel, and the cleaning component is configured to clean the cleaning brush.

2. The photovoltaic panel cleaning device according to claim 1, characterized in that, The cleaning element is formed in a plate-like structure, and the cleaning brush can be driven to move relative to the cleaning element so that the cleaning element can scrape off the impurities attached to the cleaning brush.

3. The photovoltaic panel cleaning device according to claim 2, characterized in that, The cleaning assembly further includes a first connecting rod disposed at the end of the cleaning brush. An arc-shaped groove is formed on the housing. The first connecting rod is slidably disposed in the arc-shaped groove. The cleaning brush can move upward along the extension direction of the arc-shaped groove under the drive of the first connecting rod. The cleaning component is disposed on the moving path of the cleaning brush.

4. The photovoltaic panel cleaning device according to claim 3, characterized in that, The cleaning assembly further includes a connector movably disposed relative to the housing and a first driving member connected to the connector. The first connecting rod is slidably connected to the connector, and the connector can be driven by the first driving member to move in the vertical direction, so as to cause the first connecting rod to slide relative to the connector while sliding along the arc-shaped groove.

5. The photovoltaic panel cleaning device according to claim 4, characterized in that, The connector has a horizontally arranged first groove, the first connecting rod is slidably connected to the first groove, the housing has a second groove extending in a vertical direction, the connector is slidably connected to the second groove, and under the drive of the first driving member, the first connecting rod slides along the first groove and the arc-shaped groove, and the connector slides along the second groove.

6. The photovoltaic panel cleaning device according to claim 5, characterized in that, The cleaning assembly further includes a second driving member, a driving gear connected to the second driving member, and a driven gear meshing with the driving gear. The second driving member is disposed on the housing. The driving gear is concentric with the arc-shaped groove, which is located outside the contour of the driving gear. The driven gear is sleeved on the outer periphery of the first connecting rod. The driven gear can rotate circumferentially by meshing with the driving gear under the drive of the second driving member, and can move along the outer periphery of the driving gear under the drive of the first driving member, so that the cleaning brush moves to the cleaning component in a circumferentially rotating state.

7. The photovoltaic panel cleaning device according to claim 2, characterized in that, The cleaning assembly also includes a collection box disposed below the cleaning component to collect impurities scraped off the cleaning brush by the cleaning component.

8. The photovoltaic panel cleaning device according to claim 1, characterized in that, The photovoltaic panel cleaning device also includes an installation component, which includes a positioning wheel. The positioning wheel has a vertical axis and can be driven to fit against the frame edge of the photovoltaic panel. It can also be driven by the moving component to roll along the frame edge of the photovoltaic panel.

9. The photovoltaic panel cleaning device according to claim 8, characterized in that, The mounting assembly further includes a mounting shell connected to the housing, a third driving member disposed on the mounting shell, and a mounting plate movably disposed within the mounting shell. The positioning wheel is rotatably connected to the mounting plate, and the mounting plate can drive the positioning wheel to move to the frame edge that fits against the photovoltaic panel under the drive of the third driving member.

10. The photovoltaic panel cleaning device according to claim 9, characterized in that, The third driving component includes a screw rotatably connected inside the mounting housing and a knob rotatably connected outside the mounting housing. The mounting assembly also includes a transmission block threadedly connected to the screw and a transmission rod rotatably connected at one end to the transmission block. The other end of the transmission rod is rotatably connected to the mounting plate. The transmission block can move along the screw under the rotation of the screw and drive the mounting plate to move relative to the mounting housing through the transmission rod.

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