Photovoltaic panel cleaning device and use method thereof

Abstract

The present invention discloses a photovoltaic panel cleaning device and a use method thereof, and relates to the technical field of photovoltaic panel cleaning, comprising a sliding mechanism and a cleaning mechanism installed on the sliding mechanism, wherein the sliding mechanism comprises a first slide plate, a second slide plate and a third slide plate, wherein the second slide plate can be slidably arranged on the third slide plate, and the first slide plate can be slidably arranged on the second slide plate, and a servo motor is arranged on the first slide plate, wherein a ball screw is connected to the servo motor and is away from the side end of the second slide plate toward the first slide plate, and wherein two screw pairs with opposite internal threads are arranged on the ball screw, and when the servo motor is started, the two screw pairs can approach or move away from each other under the action of the ball screw due to the opposite internal threads, and cleaning mechanisms for cleaning photovoltaic panels are arranged on both sides of any screw pair, and the present invention can avoid high-altitude operations of personnel, and at the same time adopts a cleaning mechanism design that can adapt to the curvature of the photovoltaic panel, which not only improves the cleaning efficiency, but also avoids damage to the surface of the photovoltaic panel.

Description

Technical Field

[0001] The present invention relates to the technical field of photovoltaic panel cleaning, and in particular to a photovoltaic panel cleaning device and a use method thereof. Background Art

[0002] In the field of photovoltaic panel cleaning, especially photovoltaic panels located in high places such as roofs and greenhouses, which are exposed to the outside for a long time, are prone to accumulate pollutants such as dust and bird droppings, which not only affects the appearance, but more importantly reduces the power generation efficiency of the photovoltaic panels. Therefore, it is very necessary to clean the photovoltaic panels regularly.

[0003] However, photovoltaic panels located at high places are usually cleaned manually or with simple mechanical equipment. These methods have many shortcomings, such as low cleaning efficiency, high labor intensity, poor safety, etc., and it is often difficult to achieve the ideal cleaning effect, and it is easy to damage the surface of the photovoltaic panels. Summary of the invention

[0004] In order to solve the above technical problems, the present invention provides a photovoltaic panel cleaning device and a method of using the same, which can avoid high-altitude operations of personnel. At the same time, the use of a cleaning mechanism design that can adapt to the curvature of the photovoltaic panel can improve the cleaning efficiency while avoiding damage to the surface of the photovoltaic panel.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solutions: a photovoltaic panel cleaning device, comprising a sliding mechanism and a cleaning mechanism mounted on the sliding mechanism;

[0006] The sliding mechanism comprises a first slide plate, a second slide plate and a third slide plate, wherein the second slide plate can be slidably arranged on the third slide plate, and the first slide plate can be slidably arranged on the second slide plate;

[0007] A servo motor is provided on the first slide, and a ball screw is connected to the servo motor, which is away from the side end of the second slide toward the first slide. The ball screw is provided with two screw pairs with opposite internal threads. When the servo motor is started, the two screw pairs can move closer to or farther from each other under the action of the ball screw due to the opposite internal threads of the two screw pairs.

[0008] Cleaning mechanisms for cleaning the photovoltaic panels are provided on both sides of any lead screw pair.

[0009] Preferably, the cleaning mechanism includes an inverted L-shaped positioning frame installed on one side of the screw pair, a bendable elastic sheet is provided below the positioning frame, and the side of the elastic sheet away from the positioning frame is evenly covered with bristles for cleaning the surface of the photovoltaic panel, a fixing plate is provided at the corner of the positioning frame, and a rotating shaft is installed on one side of the fixing plate, and the rotating shaft is connected to a rotating motor installed on the other side of the fixing plate through a motor shaft that penetrates the fixing plate, and the rotating motor can drive the rotating shaft to rotate, and a pneumatic rod I is provided on the rotating shaft and arranged in the direction of the elastic sheet, and a guide groove is opened at the position of the elastic sheet corresponding to the pneumatic rod I, and a push rod that can slide along the direction of the guide groove is provided on the guide groove, and the push rod is connected to the output end of the pneumatic rod I through a connecting plate, and when the pneumatic rod I presses down the elastic sheet through the push rod, the overall curvature of the elastic sheet will change so as to adapt to the cleaning of photovoltaic panels with different curved surfaces.

[0010] Preferably, the end of the elastic sheet close to the screw pair is rotatably connected to the pneumatic rod III installed on the side of the screw pair, and the positioning frame is provided with a groove near the end of the elastic sheet close to the screw pair, and a slidable second connecting rod is provided in the groove, and the second connecting rod is fixedly connected to the surface of the elastic sheet. Through the pneumatic rod III, the end of the elastic sheet close to the screw pair can be displaced in the extension direction of the output end of the pneumatic rod III under the drive of the second connecting rod, so as to determine the position of the head end of the elastic sheet.

[0011] Preferably, an extension slide is sleeved on the surface of one end of the elastic sheet away from the screw pair, and the extension slide slides on the positioning frame to extend the length of the entire elastic sheet. A through groove is opened on the positioning frame near the extension slide, and a pneumatic rod II is provided on the positioning frame above the through groove. A first connecting rod is provided on the extension slide, and the first connecting rod passes through the through groove on the positioning frame and is connected to the output end of the pneumatic rod II. The sliding distance of the extension slide on the elastic sheet is adjusted by the extension and retraction of the pneumatic rod II, and the position of the tail end of the elastic sheet is determined at the same time.

[0012] Preferably, the interior of the first connecting rod is hollow in structure, a positioning rod is provided inside the first connecting rod, a through hole is provided on the extension slide plate at the position of the first connecting rod, the positioning rod can slide inside the first connecting rod, and one end of the positioning rod facing the elastic sheet can pass through the through hole on the extension slide plate and abut against the surface of the elastic sheet, thereby fixing the positions of the extension slide plate and the elastic sheet.

[0013] Preferably, a plurality of spheres are provided inside the sides of the second and third slides. When the first and second slides slide in the second and third slides respectively, the outside of the sides of the first and second slides contact with the spheres inside the sides of the second and third slides, thereby reducing friction and improving sliding efficiency.

[0014] Preferably, one end of the third slide away from the sliding direction is controlled by a motor to rotate and is arranged on an external crane. Under the action of the crane, the sliding mechanism is lifted. At the same time, since the third slide is connected to the external crane by a motor-controlled rotation, when the crane lifts the sliding mechanism, the motor controls the third slide to rotate downward, so that the first slide and the second slide are respectively slid along the setting directions of the second slide and the third slide under the action of gravity until the first slide and the second slide are fully unfolded, so that they can be quickly laid on the roof or the top of the greenhouse to clean the photovoltaic panels installed on the side of the roof or the greenhouse.

[0015] Preferably, the external crane is provided with two sets of electric-controlled wire reels, which are respectively connected to the ends of the first slide and the second slide away from the sliding direction through traction ropes. Under the action of the electric-controlled wire reels, the first slide and the second slide laid on the roof or greenhouse can be recovered, so that the cleaning mechanism located on the first slide can clean the photovoltaic panels located on the side of the roof or greenhouse.

[0016] A method for using a photovoltaic panel cleaning device comprises the following steps:

[0017] S1. Use an external crane to lift the sliding mechanism above the photovoltaic panel, and use a motor to control the third slide plate to rotate downward, so that the first slide plate and the second slide plate are unfolded along the direction of the second slide plate and the third slide plate under the action of gravity. During the unfolding process, the sphere reduces the friction between the slide plates to ensure that they are unfolded smoothly to the predetermined position;

[0018] S2. According to the shape and size of the photovoltaic panel, adjust the shape and length of the elastic sheet, use the pneumatic rod I to adjust the curvature of the elastic sheet to adapt to photovoltaic panels with different curved surfaces, use the pneumatic rod III to adjust the position of one end of the elastic sheet to ensure that the cleaning range covers the photovoltaic panel, control the position of the extension slide plate through the pneumatic rod II, adjust the total length of the elastic sheet, fix the position of the elastic sheet and the extension slide plate, and ensure that the bristles can effectively contact the surface of the photovoltaic panel;

[0019] S3, start the servo motor, drive the first slide plate and the second slide plate to move closer to or away from each other through the ball screw, so that the cleaning mechanism moves along the surface of the photovoltaic panel, and the rotating motor in the cleaning mechanism drives the rotating shaft to rotate, further helping the bristles to better remove dirt. During the cleaning process, the pneumatic rod I continuously adjusts the curvature of the elastic sheet to maintain a good contact pressure;

[0020] S4. Two sets of electric-controlled wire reels are provided on the external crane, and the two sets of electric-controlled wire reels are respectively connected to the ends of the first slide plate and the second slide plate away from the sliding direction through traction ropes. Under the action of the electric-controlled wire reels, the first slide plate and the second slide plate laid on the roof or the shed can be recovered, so that the cleaning mechanism on the first slide plate can be moved to another photovoltaic panel, so as to clean all photovoltaic panels on the side of the roof or the shed;

[0021] S5. After completing the cleaning of all areas, the traction rope is recovered by the electric-controlled reel on the external crane, and the cleaning device is recovered from the photovoltaic panel to the initial position, thereby avoiding the risk of personnel working at high altitudes and improving the efficiency of the photovoltaic panels that need to be cleaned at high altitudes.

[0022] Compared with the prior art, the present invention has the following beneficial effects:

[0023] 1. The sliding mechanism design adopted in this device includes a first slide plate, a second slide plate and a third slide plate. The use of the ball during the sliding process significantly reduces the friction between the slide plates, improves the sliding efficiency and stability, ensures the smooth movement of the cleaning device on the roof or the top of the shed, and avoids damage to the device and operating difficulties caused by excessive friction. The setting of the electric control reel on the external crane enables the cleaning device to be quickly recovered after completing the cleaning task, which not only reduces the risk of personnel working at high altitudes, but also improves the working efficiency and reduces the working cost.

[0024] 2. The design of the cleaning mechanism can be flexibly adjusted according to the shape and size of the photovoltaic panel. Through the precise control of the pneumatic rod, the curvature and length of the elastic sheet can adapt to the photovoltaic panels with different curves, so that the bristles can effectively contact the surface of the photovoltaic panel, improving the thoroughness and efficiency of cleaning. This adaptability not only reduces the ineffective labor in the cleaning process, but also extends the service life of the photovoltaic panel.

[0025] 3. The coordinated use of the servo motor and the ball screw realizes the precise positioning and efficient movement of the cleaning mechanism. It can adjust the movement of the two screw pairs on the first slide, thereby adjusting the spacing between the cleaning mechanisms on different screw pairs. When the cleaning mechanisms on different screw pairs are on the same photovoltaic panel, they can quickly clean from both sides of the photovoltaic panel, thereby improving the cleaning efficiency to a certain extent. Subsequently, the cleaning mechanisms on different screw pairs are moved to other photovoltaic panels to be cleaned for cleaning through the electric-controlled reel. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to make the contents of the present invention more clearly understood, the present invention is further described in detail below based on specific embodiments in conjunction with the accompanying drawings.

[0027] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0028] Figure 2 It is a front view of the first slide plate, the second slide plate and the third slide plate of the present invention;

[0029] Figure 3 It is a schematic diagram of the structural installation of the cleaning mechanism in the present invention;

[0030] Figure 4 It is a schematic diagram of the structural installation of the positioning frame and the elastic sheet in the present invention;

[0031] Figure 5 for Figure 4 A partial enlarged view of the middle A;

[0032] Figure 6 for Figure 4 A partial enlarged view of point B in the middle;

[0033] Figure 7 It is a schematic diagram of the structural installation of the screw pair, pneumatic rod III and elastic sheet in the present invention.

[0034] In the figure: 1. sliding mechanism; 101. first slide plate; 102. second slide plate; 103. third slide plate; 2. cleaning mechanism; 201. positioning frame; 2011. guide groove; 202. elastic sheet; 203. fixing plate; 204. rotating shaft; 205. rotating motor; 206. pneumatic rod I; 207. push rod; 208. connecting plate; 3. servo motor; 4. ball screw; 5. screw pair; 6. pneumatic rod III; 7. second connecting rod; 8. extension slide plate; 9. through groove; 10. pneumatic rod II; 11. first connecting rod; 12. positioning rod; 13. sphere. DETAILED DESCRIPTION

[0035] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0036] See also Figure 1-Figure 7 , a photovoltaic panel cleaning device of the present invention comprises a sliding mechanism 1 and a cleaning mechanism 2 installed on the sliding mechanism 1;

[0037] The sliding mechanism 1 comprises a first sliding plate 101, a second sliding plate 102 and a third sliding plate 103, wherein the second sliding plate 102 can be slidably disposed on the third sliding plate 103, and the first sliding plate 101 can be slidably disposed on the second sliding plate 102;

[0038] A servo motor 3 is disposed on the first slide 101 , and a ball screw 4 is connected to the servo motor 3 , which is located at the side of the first slide 101 away from the second slide 102 . The ball screw 4 is provided with two screw pairs 5 with opposite internal threads.

[0039] It should be noted that when the servo motor 3 is started, the two sets of ball screws 4 move closer to or farther from each other because the internal threads of the two screw pairs 5 are opposite;

[0040] Cleaning mechanisms 2 for cleaning the photovoltaic panels are provided on both sides of any screw pair 5 .

[0041] Preferably, the cleaning mechanism 2 includes an inverted L-shaped positioning frame 201 installed on one side of the screw pair 5, a bendable elastic sheet 202 is provided below the positioning frame 201, and the side of the elastic sheet 202 away from the positioning frame 201 is evenly covered with bristles for cleaning the surface of the photovoltaic panel, a fixing plate 203 is provided at the corner of the positioning frame 201, and a rotating shaft 204 is installed on one side of the fixing plate 203, and the rotating shaft 204 is connected to a rotating motor 205 installed on the other side of the fixing plate 203 through a motor shaft passing through the fixing plate 203, and the rotating motor 205 can drive the rotating shaft 204 to rotate, and a pneumatic rod I 206 is provided on the rotating shaft 204 and is arranged in the direction of the elastic sheet 202, and a guide groove 2011 is opened at the position of the elastic sheet 202 corresponding to the pneumatic rod I 206, and a push rod 207 that can slide along the opening direction of the guide groove 2011 is provided on the guide groove 2011, and the push rod 207 is connected to the output end of the pneumatic rod I 206 through a connecting plate 208.

[0042] It should be noted that when the pneumatic rod Ⅰ206 presses down the elastic sheet 202 through the push rod 207, the overall curvature of the elastic sheet 202 will change so as to adapt to the cleaning of photovoltaic panels with different curved surfaces. At the same time, the rotating motor 205 can drive the pneumatic rod Ⅰ206 to rotate, so that the push rod 207 slides on the elastic sheet 202 to adjust the required lifting position to adapt to the adjustment of the elastic sheet 202 with different curvatures.

[0043] Preferably, one end of the elastic sheet 202 close to the screw pair 5 is rotatably connected to the pneumatic rod III 6 installed on the side of the screw pair 5, and the positioning frame 201 is located near the end of the elastic sheet 202 close to the screw pair 5 and has a groove body, in which a slidable second connecting rod 7 is provided, and the second connecting rod 7 is fixedly connected to the surface of the elastic sheet 202.

[0044] It should be noted that, through the pneumatic rod III6, the end of the elastic sheet 202 close to the screw pair 5 can be displaced in the extension direction of the output end of the pneumatic rod III6 under the drive of the second connecting rod 7 to determine the position of the head end of the elastic sheet 202.

[0045] Preferably, an extension slide 8 is sleeved on the surface of one end of the elastic sheet 202 away from the screw pair 5, and the extension slide 8 can slide on the positioning frame 201 to extend the length of the entire elastic sheet 202. A through groove 9 is opened at the positioning frame 201 near the extension slide 8, and a pneumatic rod Ⅱ10 is provided on the positioning frame 201 above the through groove 9. A first connecting rod 11 is provided on the extension slide 8, and the first connecting rod 11 passes through the through groove 9 on the positioning frame 201 and is connected to the output end of the pneumatic rod Ⅱ10. The sliding distance of the extension slide 8 on the elastic sheet 202 is adjusted by the extension and retraction of the pneumatic rod Ⅱ10, and the position of the tail end of the elastic sheet 202 is determined at the same time.

[0046] Preferably, the first connecting rod 11 has a hollow structure inside, and a positioning rod 12 is provided inside the first connecting rod 11. A through hole is provided at the position of the extension slide 8 located at the first connecting rod 11, and the positioning rod 12 can slide inside the first connecting rod 11. The end of the positioning rod 12 facing the elastic sheet 202 can pass through the through hole on the extension slide 8 and abut against the surface of the elastic sheet 202, thereby fixing the positions of the extension slide 8 and the elastic sheet 202.

[0047] Preferably, a plurality of spheres 13 are provided inside the sides of the second skateboard 102 and the third skateboard 103. When the first skateboard 101 and the second skateboard 102 slide in the second skateboard 102 and the third skateboard 103 respectively, the outside of the sides of the first skateboard 101 and the second skateboard 102 are in contact with the spheres 13 provided inside the sides of the second skateboard 102 and the third skateboard 103, thereby reducing friction and improving sliding efficiency.

[0048] Preferably, one end of the third slide plate 103 away from the sliding direction is rotatably controlled by a motor and is disposed on an external crane.

[0049] It should be noted that, under the action of the crane, the sliding mechanism 1 can be lifted. At the same time, since the third slide 103 is connected to the external crane by a motor-controlled rotation, when the crane lifts the sliding mechanism 1, the motor controls the third slide 103 to rotate downward, so that the first slide 101 and the second slide 102 are affected by gravity and slide along the set directions of the second slide 102 and the third slide 103 respectively, until the first slide 101 and the second slide 102 are fully unfolded, so that they can be quickly laid on the roof or the top of the greenhouse to clean the photovoltaic panels installed on the roof or the side of the greenhouse.

[0050] Preferably, two sets of electrically controlled wire reels are provided on the external crane, and the two sets of electrically controlled wire reels are respectively connected to one end of the first slide 101 and the second slide 102 away from the sliding direction through traction ropes.

[0051] It should be noted that the first slide 101 and the second slide 102 laid on the roof or greenhouse can be recovered under the action of the electric-controlled reel, so that the cleaning mechanism 2 located on the first slide 101 can clean the photovoltaic panel located on the side of the roof or greenhouse.

[0052] A method for using a photovoltaic panel cleaning device comprises the following steps:

[0053] S1. Use an external crane to lift the sliding mechanism 1 above the photovoltaic panel, and control the third slide plate 103 to rotate downward by a motor, so that the first slide plate 101 and the second slide plate 102 are unfolded along the direction of the second slide plate 102 and the third slide plate 103 under the action of gravity. During the unfolding process, the ball 13 reduces the friction between the slide plates to ensure smooth and stable unfolding to the predetermined position;

[0054] S2. According to the shape and size of the photovoltaic panel, the shape and length of the elastic sheet 202 are adjusted. The curvature of the elastic sheet 202 is adjusted using the pneumatic rod I to adapt to photovoltaic panels with different curved surfaces. The position of one end of the elastic sheet 202 is adjusted using the pneumatic rod III to ensure that the cleaning range covers the photovoltaic panel. The position of the extension slide 8 is controlled by the pneumatic rod II to adjust the total length of the elastic sheet 202. The positions of the elastic sheet 202 and the extension slide 8 are fixed to ensure that the bristles can effectively contact the surface of the photovoltaic panel.

[0055] S3, start the servo motor 3, drive the first slide 101 and the second slide 102 to move closer to or away from each other through the ball screw 4, so that the cleaning mechanism 2 moves along the surface of the photovoltaic panel, and the rotating motor 205 in the cleaning mechanism 2 drives the rotating shaft 204 to rotate, further helping the bristles to better remove dirt. During the cleaning process, the pneumatic rod 1 continuously adjusts the curvature of the elastic sheet 202 to maintain a good contact pressure;

[0056] S4. Two sets of electric-controlled wire reels are provided on the external crane, and the two sets of electric-controlled wire reels are respectively connected to the ends of the first slide 101 and the second slide 102 away from the sliding direction through traction ropes. Under the action of the electric-controlled wire reels, the first slide 101 and the second slide 102 laid on the roof or the shed can be recovered, so that the cleaning mechanism 2 located on the first slide 101 can be moved to another photovoltaic panel, so as to clean all photovoltaic panels located on the side of the roof or the shed;

[0057] S5. After completing the cleaning of all areas, the traction rope is recovered by the electric-controlled reel on the external crane, and the cleaning device is recovered from the photovoltaic panel to the initial position, thereby avoiding the risk of personnel working at high altitudes and improving the efficiency of the photovoltaic panels that need to be cleaned at high altitudes.

[0058] The above description is only a preferred embodiment of the present invention and is not intended to be a further limitation of the present invention. All equivalent changes made using the contents of the present specification and drawings are within the protection scope of the present invention.

Claims

1. A photovoltaic panel cleaning device, characterized in that: The invention comprises a sliding mechanism (1) and a cleaning mechanism (2) mounted on the sliding mechanism (1); the sliding mechanism (1) comprises a first slide plate (101), a second slide plate (102) and a third slide plate (103); the second slide plate (102) can be slidably mounted on the third slide plate (103); the first slide plate (101) can be slidably mounted on the second slide plate (102); a servo motor (3) is mounted on the first slide plate (101); a ball screw (4) is connected to the servo motor (3) and is directed toward the first slide plate (101) away from the side end of the second slide plate (102); the ball screw (4) is provided with two screw pairs (5) with opposite internal threads; cleaning mechanisms (2) for cleaning photovoltaic panels are provided on both sides of any screw pair (5); the cleaning mechanism (2) comprises an inverted L-shaped positioning frame (201) mounted on one side of the screw pair (5); a bendable elastic spring is provided below the positioning frame (201). The elastic sheet (202) is provided with a brush for cleaning the surface of the photovoltaic panel evenly on the side of the elastic sheet (202) away from the positioning frame (201); a fixing plate (203) is provided at a corner of the positioning frame (201); a rotating shaft (204) is installed on one side of the fixing plate (203); the rotating shaft (204) is connected to a rotating motor (205) installed on the other side of the fixing plate (203) via a motor shaft penetrating the fixing plate (203); a pneumatic rod I (206) is provided on the rotating shaft (204) and arranged in the direction of the elastic sheet (202); a guide groove (2011) is provided on the elastic sheet (202) at a position corresponding to the pneumatic rod I (206); a push rod (207) is provided on the guide groove (2011) and can slide along the direction in which the guide groove (2011) is opened; and the push rod (207) is connected to the output end of the pneumatic rod I (206) via a connecting plate (208).

2. A photovoltaic panel cleaning device according to claim 1, characterized in that: One end of the elastic sheet (202) close to the screw pair (5) is rotatably connected to a pneumatic rod III (6) installed on the side of the screw pair (5), and the positioning frame (201) is provided with a groove near one end of the elastic sheet (202) close to the screw pair (5), and a slidable second connecting rod (7) is provided in the groove, and the second connecting rod (7) is fixedly connected to the surface of the elastic sheet (202).

3. A photovoltaic panel cleaning device according to claim 2, characterized in that: An extension slide (8) is sleeved on the surface of one end of the elastic sheet (202) away from the screw pair (5); the extension slide (8) can slide on the positioning frame (201) to extend the length of the entire elastic sheet (202); a through groove (9) is provided on the positioning frame (201) near the extension slide (8); a pneumatic rod II (10) is provided on the positioning frame (201) above the through groove (9); a first connecting rod (11) is provided on the extension slide (8); the first connecting rod (11) passes through the through groove (9) on the positioning frame (201) and is connected to the output end of the pneumatic rod II (10).

4. A photovoltaic panel cleaning device according to claim 3, characterized in that: The first connecting rod (11) has a hollow structure inside, and a positioning rod (12) is provided inside the first connecting rod (11); a through hole is provided on the extension slide plate (8) at the position of the first connecting rod (11); the positioning rod (12) can slide inside the first connecting rod (11); and one end of the positioning rod (12) facing the elastic sheet (202) can pass through the through hole on the extension slide plate (8) and abut against the surface of the elastic sheet (202).

5. A photovoltaic panel cleaning device according to claim 4, characterized in that: A plurality of spheres (13) are provided inside the side edges of the second slide plate (102) and the third slide plate (103).

6. A photovoltaic panel cleaning device according to claim 1, characterized in that: The end of the third slide plate (103) away from the sliding direction is controlled to rotate by a motor and is arranged on an external crane.

7. A photovoltaic panel cleaning device according to claim 6, characterized in that: The external crane is provided with two sets of electrically controlled wire reels, which are respectively connected to the first slide plate (101) and the second slide plate (102) at one end away from the sliding direction via traction ropes.

8. The method for using the photovoltaic panel cleaning device according to claim 5 comprises the following steps: S1. Use an external crane to lift the sliding mechanism (1) above the photovoltaic panel, and use a motor to control the third slide plate (103) to rotate downward, so that the first slide plate (101) and the second slide plate (102) are unfolded along the direction of the second slide plate (102) and the third slide plate (103) under the action of gravity. During the unfolding process, the sphere (13) reduces the friction between the slide plates, ensuring that they are unfolded smoothly to a predetermined position; S2, adjusting the shape and length of the elastic sheet (202) according to the shape and size of the photovoltaic panel, using the pneumatic rod I to adjust the curvature of the elastic sheet (202) to adapt to photovoltaic panels with different curved surfaces, using the pneumatic rod III to adjust the position of one end of the elastic sheet (202) to ensure that the cleaning range covers the photovoltaic panel, controlling the position of the extension slide plate (8) through the pneumatic rod II, adjusting the total length of the elastic sheet (202), fixing the positions of the elastic sheet (202) and the extension slide plate (8), and ensuring that the bristles can effectively contact the surface of the photovoltaic panel; S3, starting the servo motor (3), driving the first slide plate (101) and the second slide plate (102) to move closer to or farther from each other via the ball screw (4), thereby causing the cleaning mechanism (2) to move along the surface of the photovoltaic panel, and the rotating motor (205) in the cleaning mechanism (2) drives the rotating shaft (204) to rotate, further helping the bristles to better remove dirt. During the cleaning process, the pneumatic rod I continuously adjusts the curvature of the elastic sheet (202) to maintain a good contact pressure; S4. Two sets of electrically controlled wire reels are provided on the external crane. The two sets of electrically controlled wire reels are respectively connected to the ends of the first slide plate (101) and the second slide plate (102) away from the sliding direction through traction ropes. Under the action of the electrically controlled wire reels, the first slide plate (101) and the second slide plate (102) laid on the roof or the shed can be recovered, so that the cleaning mechanism (2) located on the first slide plate (101) can be moved to another photovoltaic panel, thereby cleaning all photovoltaic panels located on the side of the roof or the shed; S5. After all cleaning areas are completed, the traction rope is recovered by the electric-controlled reel on the external crane, and the cleaning device is recovered from the photovoltaic panel to the initial position.

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