Photovoltaic panel cleaning robot

Abstract

The invention relates to the field of photovoltaic panel cleaning, in particular to a photovoltaic panel cleaning robot which comprises a cleaning module, a moving module, a power supply module and a support. The support comprises a first supporting seat, first connecting rods arranged at the two ends of the first supporting seat, second supporting seats arranged at the ends, away from the supporting seat, of the first connecting rods and a second connecting rod used for connecting the two second supporting seats, the power supply module is arranged on the first supporting seat, and the movement module is arranged below the first connecting rod. The cleaning module comprises a first cleaning device arranged below the second supporting base and second cleaning devices located at the two ends of the first cleaning device, and the ends, close to the first cleaning device, of the second cleaning devices are arranged on the second supporting base. The cleaning robot has the effects that the overall weight of the cleaning robot is reduced, the pressure of the cleaning robot on the photovoltaic panel is reduced, and the possibility that the photovoltaic panel is damaged is reduced.

Description

Technical Field

[0001] The present application relates to the field of photovoltaic panel cleaning, and in particular to a photovoltaic panel cleaning robot. Background Art

[0002] With the continuous development of clean energy, a large number of photovoltaic panels will be installed in areas with long sunshine hours. Existing photovoltaic panels are installed in large quantities in open areas. In order to ensure the operating efficiency of photovoltaic panels, it is necessary to clean the photovoltaic panels regularly and remove dust and other debris attached to the photovoltaic panels. Existing staff will use two methods of manual cleaning or equipment cleaning. Manual cleaning consumes more manpower and the cleaning efficiency is not high. For equipment cleaning, the existing cleaning equipment mostly uses steel structures and is heavy. When placed on the photovoltaic panel, it will be affected by the weight of the equipment and the photovoltaic panel will bend and deform. At this time, the cleaning effect of the equipment cleaning roller on the bent position is weakened. Summary of the invention

[0003] In order to reduce the overall weight of the cleaning robot and improve the cleaning effect of the cleaning equipment, the present application provides a photovoltaic panel cleaning robot.

[0004] The photovoltaic panel cleaning robot provided in this application adopts the following technical solution:

[0005] A photovoltaic panel cleaning robot comprises a cleaning module, a motion module, a power supply module and a bracket, wherein the bracket comprises a support seat 1, a connecting rod 1 arranged at both ends of the support seat 1, a support seat 2 arranged at an end of the connecting rod 1 away from the support seat, and a connecting rod 2 for connecting the two support seats 2, the power supply module is arranged on the support seat 1, the motion module is arranged below the connecting rod 1, the cleaning module comprises a cleaning device 1 arranged below the support seat 2 and a cleaning device 2 located at both ends of the cleaning device 1, and an end of the cleaning device 2 close to the cleaning device 1 is arranged on the support seat 2.

[0006] By adopting the above technical solution, the cleaning module is used to clean the photovoltaic panels, the motion module is used to drive the overall components to move, thereby improving the operating efficiency of the cleaning robot, the power supply module is used to power the motion module, and the bracket is used to install the cleaning module, the motion module and the power supply module. The support seat one, the connecting rod one, the support seat two and the connecting rod two form an installation frame, which reduces the overall weight of the cleaning robot and ensures the structural stability of the equipment. The power supply module is located on the support seat one, the cleaning module is located between the two support seats two, and the motion module is located between the support seat one and the support seat two, thereby balancing the weight of each component of the cleaning robot and ensuring the stability of the moving state.

[0007] Preferably, the bracket is provided with a connecting seat located within the bracket enclosure, the connecting seat is provided with a transfer device, the cleaning device is provided with a spray device, the transfer device is provided with a plurality of joints on the side facing the spray device, and the joints are connected to the spray device through water pipes.

[0008] By adopting the above technical solution, the spray device plays a role in flushing the surface of the photovoltaic panel, and at the same time the water softens the impurities on the photovoltaic panel, making it easier for the cleaning robot to clean the photovoltaic panel; the connecting seat is used to install the transfer device and improve the overall stability of the bracket, and the joint is used to transport the water to the spray device for spraying.

[0009] Preferably, the spray device comprises a plurality of nozzles arranged along the length direction of the cleaning device and a mounting seat arranged on the cleaning device, wherein the mounting seat is used to mount the nozzles, and the spray angle of the nozzles is 45°.

[0010] By adopting the above technical solution, the nozzle is used to spray water, and the mounting base is used to install the nozzle to improve the installation stability of the nozzle. The mounting base also plays a role in fixing the spray angle of the nozzle. The spray angle of the nozzle is set to 45°, and water pressure is used to perform preliminary stain removal on the surface of the photovoltaic panel.

[0011] Preferably, the plurality of nozzles are arranged in at least four groups, and the nozzles located in a middle portion of the cleaning device are arranged tilted in a horizontal direction.

[0012] By adopting the above technical solution, the number of nozzles is set to at least four groups to ensure the comprehensiveness of the spray range, and several nozzles are inclined in the horizontal direction near a center position of the cleaning device.

[0013] Preferably, the transfer device includes a connecting pipe, a fixed pipe arranged at one end of the connecting pipe close to the connecting seat, and a transfer bin arranged in the connecting seat, one end of the connector is connected to the transfer bin, one end of the fixed pipe is connected to the connecting pipe, and the other end of the fixed pipe is connected to the transfer bin, and a filter is provided in the transfer bin.

[0014] By adopting the above technical solution, the connecting pipe is used for the cleaning robot to connect to the water tank or water pump to supply water to the spray device. The fixed pipe is used to change the water supply route to guide the water in the connecting pipe to the transfer bin. The filter element in the transfer bin is used to reduce impurities in the water, facilitate the nozzle to spray water, and reduce the possibility of nozzle clogging.

[0015] Preferably, the connecting seat is provided with a rotating sleeve which is sleeved on the fixed tube, the outer wall of the rotating sleeve is provided with a slider, the connecting seat is provided with a sliding groove along the rotation path of the slider, the inner wall of the rotating sleeve is provided with an internal thread, and the outer wall of the fixed tube is provided with an external thread which is compatible with the internal thread.

[0016] By adopting the above technical solution, the fixed pipe is rotatably connected to the connecting seat through the rotating sleeve, and the connecting pipe is convenient for subsequent connection to a water tank or a water pump. The fixed pipe can be rotated through the rotating sleeve, which facilitates the connection pipe to rotate its position according to the state of the water pipe, thereby reducing the traction effect of the subsequent water pipe on the overall cleaning robot.

[0017] Preferably, the motion module includes a fixed seat and a motion device arranged on the fixed seat, one end of the fixed seat is arranged on support seat one, and the other end of the fixed seat is arranged on support seat two, and a connecting part is provided at the corner of the connecting seat, and the connecting part is connected to the fixed seat at one end close to the fixed seat.

[0018] By adopting the above technical solution, the connecting part improves the stability of the connecting seat, and the two ends of the fixed seat are respectively connected to the support seat one and the support seat two, thereby improving the stability of the fixed seat on the bracket, and at the same time improving the stability of the connecting seat on the bracket, while balancing the overall weight of the cleaning robot and reducing the possibility of deformation of the bracket.

[0019] Preferably, a rotating member is provided at one end of the second cleaning device close to the second supporting seat, and the rotating member is used to drive the second cleaning device to adjust its angle with the rotating member as the rotation axis.

[0020] By adopting the above technical solution, the cleaning device 2 can adjust the cleaning angle through the rotating part to expand the cleaning range of the cleaning robot. At the same time, when the photovoltaic panel is bent due to the weight of the cleaning robot, the two cleaning devices 2 can reach a certain bending angle according to the state of the photovoltaic panel, thereby improving the cleaning effect of the cleaning robot.

[0021] Preferably, a connecting piece is provided at one end of the cleaning device 1 close to the supporting seat 2, and an adjusting groove for installing the end of the connecting piece is provided at the end of the supporting seat 2.

[0022] By adopting the above technical solution, the connecting piece is used to improve the connection stability between the cleaning device 1 and the support seat 2, and the adjustment groove is used to position the connecting piece at one end of the support seat 2, while increasing the shock-absorbing space for the cleaning device 1. When the cleaning robot moves to the splicing position of the two photovoltaic panels, the adjustment groove facilitates the cleaning device 1 to pass through the photovoltaic panels and ensures the cleaning efficiency of the cleaning device 1 during the movement.

[0023] To sum up, the bracket effectively reduces the overall weight of the cleaning robot, reduces the pressure of the cleaning robot on the photovoltaic panel, and reduces the risk of damage to the photovoltaic panel; ensures the installation stability of each component of the cleaning robot, and the cleaning module is segmented into a cleaning device one and a cleaning device two located at both ends of the cleaning device one. The cleaning device two can adjust the cleaning area of ​​the cleaning module to improve the cleaning efficiency of the cleaning robot; the connecting seat is connected to the bracket through the motion module to reduce the load on the bracket and improve the stability of the bracket. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a schematic diagram of the structure of a photovoltaic panel cleaning robot in the present application;

[0025] Figure 2 This is a schematic diagram of the structure of a photovoltaic panel cleaning robot in the present application;

[0026] Figure 3 is a cross-sectional view of a photovoltaic panel cleaning robot of the present application;

[0027] Figure 4 This is a schematic diagram of the structure of a photovoltaic panel cleaning robot in the present application;

[0028] Figure 5 It is a structural schematic diagram of a photovoltaic panel cleaning robot in the present application.

[0029] Explanation of the accompanying drawings: 1. Cleaning module; 11. Cleaning device 1; 12. Cleaning device 2; 2. Movement module; 21. Fixed seat; 22. Movement device; 3. Power supply module; 4. Bracket; 41. Support seat 1; 42. Connecting rod 1; 43. Support seat 2; 44. Connecting rod 2; 5. Spraying device; 51. Nozzle; 52. Mounting seat; 6. Connecting seat; 61. Connecting part; 7. Transfer device; 71. Connecting pipe; 72. Fixed pipe; 73. Transfer bin; 8. Connector; 9. Rotating sleeve; 10. Connecting piece; 13. Adjusting groove; 14. Filter element. DETAILED DESCRIPTION

[0030] The following is combined with Figure 1-Figure 5 The present application is further described. The following examples are only used to more clearly illustrate the technical solution of the present application, and cannot be used to limit the protection scope of the present application.

[0031] In the description of the present application, it should be noted that the orientations or positional relationships indicated by “center”, “up”, “down”, “left”, “right”, “vertical”, “horizontal”, “inside”, “outside”, etc. are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application.

[0032] The present application embodiment discloses a photovoltaic panel cleaning robot. Figure 1, including a cleaning module 1, a motion module 2, a power supply module 3 and a bracket 4 for installing the above components, the cleaning module 1 is used to clean the photovoltaic panel, the motion module 2 is located below the bracket 4, and is used to drive the bracket 4 to move on the photovoltaic panel, and the power supply module 3 mainly includes an energy storage battery to supply energy to the cleaning module 1 and the motion module 2. The bracket 4 includes a support seat 1 41, a connecting rod 1 42 installed at both ends of the support seat 1 41, a support seat 2 43 installed at one end of the connecting rod 1 42 away from the support seat 1 41, and a connecting rod 2 44 for connecting the two support seats 2 43, the connecting rod 1 42 and the connecting rod 2 44 are provided with a hollow interlayer, and the hollow interlayer is provided with a honeycomb support structure, which is used to reduce the weight of the connecting rod 1 42 and the connecting rod 2 44. In the specific implementation process, the connecting rod 1 42 and the connecting rod 2 44 can be solid or hollow according to the hardness requirements.

[0033] Reference Figure 1 and Figure 2 , the power supply module 3 is mounted on the support seat 1 41, the motion module 2 is located below the connecting rod 1 42, one end of the motion module 2 is mounted at the bottom of the support seat 1 41, and the other end of the motion module 2 is mounted at the bottom of the support seat 2 43 in the embodiment of the present application. Two groups of motion modules 2 are provided in the embodiment of the present application, and the two groups of motion modules 2 are symmetrically arranged on the bracket 4. The cleaning module 1 includes a cleaning device 11 installed below the support seat 2 43 and cleaning devices 2 12 located at both ends of the cleaning device 11, the cleaning device 11 is located between the two support seats 2 43, and one end of the cleaning device 11 is connected to one of the support seats 2 43, and the other end of the cleaning device 11 is connected to the other support seat 2 43.

[0034] Reference Figure 1 and Figure 3 , a spray device 5 is installed on the cleaning device 11, and the spray device 5 includes a plurality of mounting seats 52 installed along the length direction of the cleaning device 11 and a nozzle 51 installed on the mounting seat 52. The spray angle of the nozzle 51 is set to 45°, which can better flush the impurities on the photovoltaic panel. At least four groups of the plurality of nozzles 51 are arranged. In the embodiment of the present application, four groups of nozzles 51 are arranged. The two nozzles 51 located in the middle are arranged horizontally and tilted, and the spray angle is different from that of the nozzles 51 at both ends, so as to improve the flushing effect of the nozzles 51. In the specific implementation process, the number of nozzles 51 can be installed according to the length of the cleaning device 11 or the required flushing area of ​​the nozzles 51. The nozzles 51 located in the middle of the cleaning device 11 have different angles from the nozzles 51 at both ends. The nozzles 51 located in the middle of the cleaning device 11 are arranged horizontally and tilted.

[0035] Reference Figure 1 and Figure 2In order to provide a water connection channel for the spray device 5, a connecting seat 6 located within the range of the support seat 1 41, the connecting rod 1 42, the support seat 2 43 and the connecting rod 2 44 is installed on the bracket 4, and a transfer device 7 is installed on the connecting seat 6. The transfer device 7 is provided with a plurality of joints 8 on the side facing the spray device 5, and a plurality of water pipes are provided on the joints 8. The joints 8 are connected to the spray device 5 through the water pipes, and the other end of the water pipes is connected to the nozzle 51.

[0036] Reference Figure 3 and Figure 4 The transfer device 7 includes a transfer bin 73 installed in the connection seat 6, a fixed pipe 72 connected to the transfer bin 73 at one end, and a connecting pipe 71 connected to the other end of the fixed pipe 72 at one end. The end of the connector 8 facing the transfer bin 73 is connected to the transfer bin 73. The connecting pipe 71 is connected to a water tank placed outside the coverage of the photovoltaic panel. When the distance is far, a delivery pipe connected to the end of the connecting pipe 71 will be installed at the water tank. The delivery pipe is made of plastic and can be bent and deformed. In order to speed up the water delivery efficiency, a water pump is also installed at the water tank to speed up the delivery efficiency of the delivery pipe. The connecting pipe 71 is made of metal or hard plastic, and is mainly used to drive the end of the delivery pipe close to the cleaning robot away from the cleaning robot and the photovoltaic panel, reducing the impact of the cleaning robot on the delivery pipe when it moves.

[0037] Reference Figure 3 and Figure 4 In order to reduce the impact of the delivery pipe pulling the connecting pipe 71 on the cleaning robot, a rotating sleeve 9 mounted on the fixed pipe 72 is installed on the connecting seat 6, and a slider is fixed to the outer wall of the rotating sleeve 9. The connecting seat 6 is provided with a slide groove along the outer periphery of the rotating sleeve 9, and the slider slides in the slide groove. The rotating sleeve 9 is rotatably connected to the connecting seat 6 through the slider and the slide groove. The inner wall of the rotating sleeve 9 is provided with an internal thread, and the outer wall of the fixed pipe 72 is provided with an external thread matching the internal thread. The rotating sleeve 9 and the fixed pipe 72 are fixed by threads. When the cleaning robot moves on the photovoltaic panel, the delivery pipe will pull the connecting pipe 71. After the fixed pipe 72 is rotatably connected to the connecting seat 6, the connecting pipe 71 will deflect with the delivery pipe, thereby reducing the pulling force of the delivery pipe on the cleaning robot and improving the flexibility of the overall equipment.

[0038] Reference Figure 3 and Figure 4In order to reduce the impurities in the water body, a filter 14 is provided in the transfer chamber 73. The filter 14 is mainly used to reduce the impurities in the water body to prevent the impurities from clogging the nozzle 51 and affecting the flushing effect of the nozzle 51 on the photovoltaic panel. In the embodiment of the present application, the joint 8 is arranged on the side wall of the transfer chamber 73, and the fixed pipe 72 is located on the top surface of the transfer chamber 73. The water body is transmitted from the connecting pipe 71 to the fixed pipe 72, and then enters the transfer chamber 73 from the fixed pipe 72, and then flows from the transfer chamber 73 to the joint 8. The filter 14 includes a filter screen spirally arranged with the center of the water outlet of the fixed pipe 72 as the rotation point and a plurality of positioning blocks fixed on the top surface and the bottom surface of the transfer chamber 73. The positioning block is provided with a groove for embedding the filter screen on one side facing the filter screen, so as to improve the stability of the spiral shape of the filter screen. The filter screen is in the form of a sheet, and the width of the filter screen is consistent with the height of the inner cavity of the transfer chamber 73. The water body enters the spiral center of the filter screen, passes through multiple layers of filter screens, and enters the joint 8, which effectively improves the filtering effect of the filter 14.

[0039] Reference Figure 4 The motion module 2 includes a fixed seat 21 and a motion device 22 installed on the fixed seat 21. One end of the fixed seat 21 is installed on a support seat 1 41, and the other end of the fixed seat 21 is installed on a support seat 2 43. The motion device 22 in the embodiment of the present application includes transmission wheels installed at both ends of the fixed seat 21, a conveyor belt arranged on the transmission wheel, and a motor for driving the transmission wheel to rotate. The motor drives the transmission wheel to rotate, and the transmission wheel rotation drives the conveyor belt to move. In order to further improve the stability between the motion module 2 and the bracket 4, and improve the stability between the connecting seat 6 and the bracket 4, a plurality of connecting parts 61 are fixedly installed at the corners of the connecting seat 6, and the end of the connecting part 61 away from the connecting seat 6 is connected to the fixed seat 21. The connecting part 61 connects the connecting seat 6 with the motion module 2 to reduce the overall pressure of the bracket 4.

[0040] Reference Figure 4 and Figure 5, a connector 10 is installed at one end of the cleaning device 11 close to the support seat 2 43, and an adjustment groove 13 is provided at the end of the support seat 2 43 for installing the end of the connector 10. One end of the connector 10 is fixedly installed on the cleaning device 11, and the other end of the connector 10 is plugged into the adjustment groove 13. In the embodiment of the present application, the adjustment groove 13 extends in the height direction to provide an up and down displacement space for the cleaning device 11. When the cleaning robot moves to the photovoltaic panel splicing position, the connector 10 and the adjustment groove 13 facilitate the cleaning device 11 to cross the splicing frame. The cleaning device 11 includes a positioning frame, a plurality of roller brushes installed at the bottom of the positioning frame, and a motor installed on the positioning frame and used to drive the roller brush to roll. The horizontal height of the bottom of the bristles of the roller brush is lower than the horizontal height of the bottom surface of the positioning frame to ensure the cleaning efficiency of the roller brush. The roller brush of the present application includes a mounting shaft connected to the motor, a plurality of bristles and a scraper wound alternately on the mounting shaft by spirals. In the embodiment of the present application, two roller brushes are arranged, and a filter box located between the two roller brushes is installed in the positioning frame, and the filter box is used to collect impurities cleaned by the roller brush.

[0041] Reference Figure 3 and Figure 4 , a rotating part is provided at one end of the cleaning device 12 close to the support seat 43, and the rotating part drives the cleaning device 12 to rotate, so as to adjust the cleaning area of ​​the cleaning robot according to the cleaning surface of the photovoltaic panel. The rotating part can be rotated by a motor or a rotating shaft in the specific implementation process. After the rotating shaft rotates and adjusts the angle, the cleaning device 12 and the support seat 43 are fixed by bolts. The cleaning device 12 has the same structure as the cleaning device 11. The cleaning device 1 includes a positioning frame, a plurality of roller brushes installed at the bottom of the positioning frame, and a motor installed on the positioning frame and used to drive the roller brush to roll. In the embodiment of the present application, two roller brushes are provided, and a filter box located between the two roller brushes is installed in the positioning frame. The filter box is used to collect impurities cleaned by the roller brush.

[0042] The filter box comprises a box body with an open top surface and a box cover for opening and closing the box body. The bottom of the box body comprises a filter material part and a permeable part. The width of the filter material part gradually decreases away from the box cover. The permeable part is located at the bottom of the filter material part. The permeable part is provided with a plurality of through holes along the length direction. The filter material part is provided with a plurality of filter material blocks. The filter material blocks are provided with a plurality of filter holes connected with the inside of the box body along the length direction. The filter material part is symmetrically arranged in two groups with the central axis in the width direction of the permeable part as the symmetry axis. The bottom end of the filter material part contacts the side wall in the length direction of the permeable part. The spacing between the two filter material parts gradually decreases away from the box cover. The filter material block is sloped on the side facing the roller brush, and the width of the filter material block gradually decreases away from the box cover. The filter holes on adjacent filter material blocks are arranged in a staggered manner to improve the collection efficiency of the plurality of filter material blocks on the debris on the roller brush. A guide part is provided at one end of the filter hole facing the inside of the box body, and the guide part is inclinedly arranged on one side facing the permeable part. A scraper block is provided at one end of the filter material part away from the permeable part along the length direction, and the bottom surface level of the scraper block is lower than the bottom surface level of the adjacent filter material block. The side wall of the scraper block is provided with a plurality of feed slots connected to the inside of the box body along the length direction. The filter box is convenient for collecting the debris cleaned by the roller brush, and also improves the cleaning efficiency of the roller brush, ensures the cleaning effect of the roller brush, and effectively saves the water utilization rate of the cleaning robot.

[0043] In the embodiment of the present application, a photovoltaic panel cleaning robot installs various components through a bracket 4, which effectively reduces the overall weight of the cleaning robot, reduces the pressure of the cleaning robot on the photovoltaic panel, and reduces the possibility of damage to the photovoltaic panel. The cleaning module 1 adopts segmented cleaning, that is, the cleaning area of ​​the cleaning robot can be adjusted. When the cleaning robot exerts a certain pressure on the photovoltaic panel, the photovoltaic panel will be slightly bent. The segmented cleaning module 1 can effectively adapt to the curved surface of the photovoltaic panel, and the cleaning devices 12 on both sides can better fit the curved position of the photovoltaic panel to clean the photovoltaic panel, thereby ensuring the cleaning effect of the cleaning robot.

[0044] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A photovoltaic panel cleaning robot, characterized in that: The invention comprises a cleaning module (1), a motion module (2), a power supply module (3) and a bracket (4); the bracket (4) comprises a support seat (41), a connecting rod (42) arranged at both ends of the support seat (41), a support seat (43) arranged at the end of the connecting rod (42) away from the support seat (41) and a connecting rod (44) used to connect the two support seats (43); the power supply module (3) is arranged on the support seat (41); the motion module (2) is arranged below the connecting rod (42); the cleaning module (1) comprises a cleaning device (11) arranged below the support seat (43) and a cleaning device (12) located at both ends of the cleaning device (11); and the end of the cleaning device (12) close to the cleaning device (11) is arranged on the support seat (43).

2. A photovoltaic panel cleaning robot according to claim 1, characterized in that: The support (4) is provided with a connecting seat (6) located within the enclosure of the support (4), the connecting seat (6) is provided with a transfer device (7), the cleaning device (11) is provided with a spray device (5), the transfer device (7) is provided with a plurality of joints (8) on one side facing the spray device (5), and the joints (8) are connected to the spray device (5) via a water pipe.

3. A photovoltaic panel cleaning robot according to claim 2, characterized in that: The spray device (5) comprises a plurality of nozzles (51) arranged along the length direction of the cleaning device (11) and a mounting seat (52) arranged on the cleaning device (11); the mounting seat (52) is used to mount the nozzles (51); and the spray angle of the nozzles (51) is 45°.

4. A photovoltaic panel cleaning robot according to claim 3, characterized in that: At least four groups of the plurality of nozzles (51) are arranged, and the nozzles (51) located in the middle of the cleaning device (11) are arranged tilted in the horizontal direction.

5. The photovoltaic panel cleaning robot according to claim 2, characterized in that: The transfer device (7) comprises a connecting pipe (71), a fixed pipe (72) arranged at one end of the connecting pipe (71) close to the connecting seat (6), and a transfer bin (73) arranged in the connecting seat (6); one end of the joint (8) is connected to the transfer bin (73); one end of the fixed pipe (72) is connected to the connecting pipe (71); the other end of the fixed pipe (72) is connected to the transfer bin (73); and a filter element (14) is arranged in the transfer bin (73).

6. A photovoltaic panel cleaning robot according to claim 5, characterized in that: The connecting seat (6) is provided with a rotating sleeve (9) sleeved on the fixed tube (72); the outer wall of the rotating sleeve (9) is provided with a slider; the connecting seat (6) is provided with a sliding groove along the rotation path of the slider; the inner wall of the rotating sleeve (9) is provided with an internal thread; and the outer wall of the fixed tube (72) is provided with an external thread matched with the internal thread.

7. The photovoltaic panel cleaning robot according to claim 2, characterized in that: The motion module (2) comprises a fixed seat (21) and a motion device (22) arranged on the fixed seat (21); one end of the fixed seat (21) is arranged on a first support seat (41); the other end of the fixed seat (21) is arranged on a second support seat (43); a connecting portion (61) is provided at a corner of the connecting seat (6); and one end of the connecting portion (61) close to the fixed seat (21) is connected to the fixed seat (21).

8. The photovoltaic panel cleaning robot according to claim 1, characterized in that: The second cleaning device (12) is provided with a rotating member at one end close to the second supporting seat (43), and the rotating member is used to drive the second cleaning device (12) to adjust the angle with the rotating member as the rotating axis.

9. The photovoltaic panel cleaning robot according to claim 1, characterized in that: A connecting piece (10) is provided at one end of the cleaning device (11) close to the supporting seat (43), and an adjusting groove (13) for installing the end of the connecting piece (10) is provided at the end of the supporting seat (43).

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