Water pipe traction controllable self-weight pressing photovoltaic panel cleaning device and method

Abstract

The invention provides a water pipe traction controllable self-weight pressing photovoltaic panel cleaning device and method. The water pipe traction controllable self-weight pressing photovoltaic panel cleaning device comprises a roller directional torque control module, a built-in water storage liquid dynamic balance cleaning device shell, a rear rotary height-adjusting and pressurizing wheel set, a rotary distance-control and pressure-control automatic sweeping module and the like. By adjusting and controlling the height of the rear wheels of the cleaning device, the acting force of the front wheels of the cleaning device on the photovoltaic panel and the acting torque of the gravity borne by the device on the rear wheels can be increased, the front wheels are improved in adhesive force to prevent slipping, the cleaning device is pressed on the photovoltaic surface through the rear wheels, and the acting force of the cleaning disc on the photovoltaic panel during operation of the cleaning device is improved. Through cooperative control of all the modules and quantitative retraction and release through traction of the water pipe, automatic and accurate cleaning of stains on the surface of the photovoltaic panel by the cleaning device can be achieved. According to the technology, an efficient, accurate, stable and convenient automatic cleaning scheme is provided for the requirement for automatic cleaning of the surface of the photovoltaic panel.

Description

Technical Field

[0001] This invention relates to the field of photovoltaic new energy operation and maintenance, specifically to a water pipe-driven controllable self-weight pressure photovoltaic panel cleaning device and method. Background Technology

[0002] As a crucial base for photovoltaic (PV) power generation in my country, the western region suffers from aridity, low rainfall, and frequent sandstorms. This leads to a high concentration of dust accumulating on PV panel surfaces, severely reducing light transmittance and causing a significant decline in PV power generation efficiency, resulting in substantial economic losses. Traditional manual cleaning methods suffer from high labor intensity, low cleaning efficiency, and poor safety. To meet the development needs of cleaning and maintenance of large-scale, large-surface PV panel clusters, the industry has long focused on theoretical research and key technology breakthroughs in automated PV panel cleaning robots. However, existing PV panel cleaning robots generally face severe motion control challenges. Their walking mechanisms are prone to slippage, deviation, and instability under complex working conditions. This not only makes effective cleaning path planning difficult, creating blind spots and reducing coverage integrity, but also, due to insufficient adhesion between the robot and the panel surface, results in cleaning effectiveness failing to meet maintenance standards. Therefore, improving the dynamic stability and adaptability of robots has become a key technical issue for overcoming the current bottleneck in PV power plant maintenance efficiency and achieving intelligent cleaning. Summary of the Invention

[0003] The technical problem to be solved by this invention is to address the shortcomings of the prior art by proposing a water pipe-driven controllable self-weight pressure photovoltaic panel cleaning device and method. By setting up a double-crankshaft rotation height-increasing pressure adjustment mechanism, the cleaning device achieves controllable self-weight pressure on the photovoltaic panel surface and ensures its cleaning efficiency.

[0004] To achieve the above-mentioned technical features, the present invention aims to provide a water pipe-driven controllable self-weight pressure photovoltaic panel cleaning device, comprising a roller orientation torque control module. The outer surface of the roller orientation torque control module is provided with a cleaning device housing. The roller orientation torque control module is externally connected to one end of a water supply traction pipe via the cleaning device housing and is subject to the traction action of the water supply traction pipe. The other end of the water supply traction pipe is connected to an externally provided water pipe winding and unwinding device. Inside the cleaning device housing of the roller orientation torque control module, a water storage liquid dynamic balance cleaning device housing is threadedly fitted. The internal water storage liquid dynamic balance cleaning device housing has a cleaning device support plate at its bottom, with a rear-mounted rotating height-adjusting pressure boosting wheel assembly fixedly connected behind it. The internal water storage liquid dynamic balance cleaning device housing has a cleaning device support plate at its bottom, with a rotating distance-controlling and pressure-controlling automatic cleaning module fixedly connected in its middle.

[0005] Preferably, the roller orientation torque control module comprises several parts, including roller brackets, hollow rollers, and a cleaning device housing. The rear surface of the cleaning device housing has an opening, and the two roller brackets are symmetrically embedded in the opening on the rear surface of the cleaning device housing. One side of each of the two roller brackets is fixedly connected to the rear surface of the cleaning device housing via a threaded connection. The hollow roller is disposed between the two roller brackets and is movably connected to the two roller brackets.

[0006] Preferably, the housing of the built-in water-storage dynamic balancing cleaning device comprises several parts, including axle I, roller bracket I, roller I, cleaning device upper cover plate, water tank, and cleaning device support plate. The roller bracket I is fixedly connected to the cleaning device support plate, the roller I is movably connected to the roller bracket I via axle I, the cleaning device support plate is fixedly connected to the cleaning device housing, the water tank is fixedly connected to the cleaning device housing, and the cleaning device upper cover plate is fixedly connected to the cleaning device housing via a threaded connection.

[0007] Preferably, the rear-mounted rotating height-adjustable booster wheel assembly comprises several parts, including a double-crank crankshaft, connecting rod cover I, connecting rod I, bearing cover I, and crankshaft bracket I. The crankshaft bracket I is fixedly connected to the cleaning device support plate. The crankshaft bracket I is movably connected to the double-crank crankshaft via the bearing cover I. The bearing cover I is fixedly connected to the crankshaft bracket I. A rolling bearing is provided between the crankshaft bracket I and the bearing cover I. The double-crank crankshaft is movably connected to the connecting rod I via the connecting rod cover I. The connecting rod I is fixedly connected to the connecting rod cover I. A rolling bearing is provided between the connecting rod I and the connecting rod cover I. The connecting rod I is movably connected to the directional plug I. The directional plug is movably connected to the roller II via the wheel axle II.

[0008] Preferably, the rotary distance and pressure controlled automatic cleaning module comprises several parts, including a single crankshaft, a crankshaft bracket II, a directional plug II, and a cleaning disc. The crankshaft bracket II is fixedly connected to the cleaning device support plate. The crankshaft bracket II is movably connected to the single crankshaft via a bearing cover II. The crankshaft bracket II is fixedly connected to the bearing cover II. A rolling bearing is provided between the crankshaft bracket II and the bearing cover II. The single crankshaft is movably connected to the connecting rod II via a connecting rod cover II. The connecting rod II is fixedly connected to the connecting rod cover II. A rolling bearing is provided between the connecting rod II and the connecting rod cover II. The connecting rod II is movably connected to the directional plug II. A cleaning disc is connected to the bottom of the directional plug II via a motor. The cleaning disc is rotated by the motor.

[0009] Preferably, the water-pipe-traction controllable self-weight pressure photovoltaic panel cleaning device is pulled by a water supply traction pipe. The water supply traction pipe of the cleaning device can pass through the center of the hollow roller and move freely up and down between the two roller supports with the hollow roller. After passing through the hollow roller, the water supply traction pipe is fixed by the cover plate on the support plate of the cleaning device. Finally, the water supply traction pipe passes through the bottom surface of the water tank and enters the interior of the water tank.

[0010] Preferably, the bottom of the support plate of the cleaning device is provided with multiple cylindrical slots symmetrically, and the cylindrical slots, together with directional plug I and directional plug II, realize the wheel height adjustment function of roller I and roller II of the controllable self-weight pressure photovoltaic panel cleaning device with water pipe traction.

[0011] Preferably, the method for cleaning photovoltaic panels by means of a water pipe-driven controllable self-weight pressure photovoltaic panel cleaning device includes the following steps: Step 1: Place the water-pipe-pulled controllable self-weight pressure photovoltaic panel cleaning device on the photovoltaic panel surface, and keep the cleaning device stationary under the action of the water supply traction pipe. The lateral orientation of the cleaning device on the photovoltaic panel surface is determined by the length of the released water supply traction pipe. Adjust the double crankshaft to make the bottom surface of the cleaning device parallel to the photovoltaic panel surface, and control the cleaning device to move to the area of ​​the photovoltaic panel to be cleaned.

[0012] Step 2: Control the rotation of the double crankshaft to maximize the extension length of roller II. Control the rotation distance and pressure of the automatic cleaning module to slowly rotate the single crankshaft, forcing the cleaning disc to press against the photovoltaic panel surface. Then start the motor to drive the cleaning disc to start rotating and cleaning. At the same time, control the water supply to pull the water pipe to drive the cleaning device to repeatedly clean the photovoltaic panel horizontally until the stains are removed.

[0013] The present invention has the following beneficial effects: 1. By setting a directional torque control module to regulate the torque of the water pipe, and in conjunction with the rear-mounted rotating height-adjusting booster wheel group, the cleaning device can adjust its own torque to increase the local area force to apply pressure and clean the photovoltaic panels. The pressure required to clean stains can be provided by the weight of the cleaning liquid itself, reducing the design cost and energy consumption required for pressure application.

[0014] 2. The cleaning device's lateral position on the photovoltaic panel is adjusted via a water pipe. Pulling up tightens the water pipe, while lowering it loosens it. Compared to a screw-controlled motor for adjusting the cleaning device's position on the photovoltaic panel, this water pipe traction design reduces design and manufacturing costs and lowers space requirements. The cleaning device can slide down the photovoltaic panel surface using gravitational potential energy, further reducing energy consumption.

[0015] 3. By setting a cleaning plate at the bottom of the cleaning device, compared with the robotic arm type cleaning structure, the cleaning range of the cleaning plate of the cleaning device in this paper does not exceed the horizontal dimension of the cleaning device, saving design space, making the cleaning device safer to operate, and reducing the probability of failure caused by bumping into debris.

[0016] 4. By making the roller orientation torque control module of the cleaning device lightweight, the consumables can be reduced and the equipment manufacturing cost can be lowered. Attached Figure Description

[0017] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0018] Figure 1 This is a schematic diagram of the overall structure and module distribution of the present invention.

[0019] Figure 2 This is a schematic diagram of the roller orientation torque control module.

[0020] Figure 3 This is a schematic diagram of the structure of the housing of the built-in water storage liquid dynamic balance cleaning device.

[0021] Figure 4 This is a schematic diagram of the distribution of the rear-mounted rotating height-adjusting booster wheel assembly.

[0022] Figure 5 This is a schematic diagram of the rear-mounted rotating height-adjusting booster wheel assembly.

[0023] Figure 6 This is a schematic diagram showing the distribution and structure of the rotary distance and pressure controlled automatic cleaning module.

[0024] Figure 7 (a) and (b) are schematic diagrams of the cleaning device when its bottom surface is parallel to the height of the photovoltaic panel surface and when it is stationary. (b) are schematic diagrams of the cleaning device when its rollers extend to their maximum length and are stationary.

[0025] In the figure, the roller orientation torque control module 1, the housing of the built-in water storage liquid dynamic balance cleaning device 2, the rear-mounted rotating height adjustment and pressure boosting wheel group 3, and the rotating distance and pressure control automatic cleaning module 4 are shown. Roller bracket 1-1, hollow roller 1-2, cleaning device housing 1-3, water supply traction pipe; Axle I2-1, roller bracket I2-2, roller I2-3, cleaning device upper cover plate 2-4, water tank 2-5, cleaning device support plate 2-6; Double crankshaft 3-1, connecting rod cap I 3-2, connecting rod I 3-3, bearing cap I 3-4, crankshaft bracket I 3-5, directional plug I 3-6, roller II 3-7, wheel axle II 3-8; Single crankshaft 4-1, crankshaft bracket II 4-2, directional plug II 4-3, cleaning disc 4-4, connecting rod cover II 4-5, connecting rod II 4-6, bearing cover II 4-7. Detailed Implementation

[0026] The present invention will be further described in detail below through specific embodiments. These embodiments are intended to enable those skilled in the art to gain a more comprehensive understanding of the present invention, but do not limit the invention in any way.

[0027] Example 1: like Figure 1 As shown, a water pipe-traction controllable self-weight pressure photovoltaic panel cleaning device includes a roller orientation torque control module 1. The outer surface of the roller orientation torque control module 1 is provided with a cleaning device housing 1-3. The roller orientation torque control module 1 is externally connected to a water supply traction pipe through the cleaning device housing 1-3 and is pulled by the water supply traction pipe. The other end of the water supply traction pipe is connected to an externally provided water pipe winding and unwinding device. Inside the cleaning device housing 1-3 of the roller orientation torque control module 1, a water storage liquid dynamic balance cleaning device housing 2 is threadedly connected. The built-in water storage liquid dynamic balance cleaning device housing 2 is provided with a cleaning device support plate 2-6 at the bottom, and a rear-mounted rotating height adjustment and pressure boosting wheel group 3 is fixedly connected behind it. The built-in water storage liquid dynamic balance cleaning device housing 2 is provided with a cleaning device support plate 2-6 at the bottom, and a rotating distance control and pressure control automatic cleaning module 4 is fixedly connected in the middle of the built-in water storage liquid dynamic balance cleaning device housing 2.

[0028] Furthermore, such as Figure 2 As shown, the roller orientation torque control module 1 comprises several parts, including a roller bracket 1-1, a hollow roller 1-2, and a cleaning device housing 1-3. The rear surface of the cleaning device housing 1-3 has an opening to facilitate water pipe access into the cleaning device. Two roller brackets 1-1 are symmetrically embedded in the opening on the rear surface of the cleaning device housing 1-3. One side of each roller bracket 1-1 is fixedly connected to the rear surface of the cleaning device housing 1-3 via a threaded connection. The hollow roller 1-2 is positioned between the two roller brackets 1-1 and is movably connected to them. The hollow roller 1-2 moves up and down between the two roller brackets 1-1 to adjust the torque exerted by the water supply traction pipe on the photovoltaic panel cleaning device, while ensuring that the water supply traction pipe is parallel to the photovoltaic panel surface, thus improving the stability of the cleaning device on the photovoltaic panel surface and preventing slippage.

[0029] Furthermore, such as Figure 3As shown, the housing 2 of the built-in water-storage dynamic balance cleaning device comprises several parts, including axle I2-1, roller bracket I2-2, roller I2-3, cleaning device upper cover plate 2-4, water tank 2-5, and cleaning device support plate 2-6. The roller bracket I2-2 is fixedly connected to the cleaning device support plate 2-6. The roller I2-3 is movably connected to the roller bracket I2-2 via axle I2-1. The cleaning device support plate 2-6 is fixedly connected to the cleaning device housing 1-3. The water tank 2-5 is fixedly connected to the cleaning device housing 1-3. A water pipe is connected to the bottom of the water tank 2-5. The water tank 2-5 adjusts the torque on the cleaning disc 4-4 by changing the center of gravity of the water storage distribution through the wheel height. The cleaning device upper cover plate 2-4 is fixedly connected to the cleaning device housing 1-3 via a threaded connection.

[0030] Furthermore, such as Figure 4-5 As shown, the rear-mounted rotating height-adjustable booster wheel assembly 3 comprises several parts, including a double-crank crankshaft 3-1, a connecting rod cover I 3-2, a connecting rod I 3-3, a bearing cover I 3-4, and a crankshaft bracket I 3-5. The crankshaft bracket I 3-5 is fixedly connected to the cleaning device support plate 2-6. The crankshaft bracket I 3-5 is movably connected to the double-crank crankshaft 3-1 via the bearing cover I 3-4. The bearing cover I 3-4 is fixedly connected to the crankshaft bracket I 3-5. A rolling bearing is provided between the crankshaft bracket I 3-5 and the bearing cover I 3-4. The double-crank crankshaft 3-1 is connected to the connecting rod I 3-2, the connecting rod I 3-3, the bearing cover I 3-4, and the crankshaft bracket I 3-5 is fixedly connected to the crankshaft bracket I 3-5. A rolling bearing is provided between the crankshaft bracket I 3-5 and the bearing cover I 3-4. The rod cap I3-2 is movably connected to the connecting rod I3-3, and the connecting rod I3-3 is fixedly connected to the connecting rod cap I3-2. A rolling bearing is provided between the connecting rod I3-3 and the connecting rod cap I3-2. The rolling bearing can reduce the circumferential motion resistance of the double crankshaft 3-1. The connecting rod I3-3 is movably connected to the directional plug I3-6. The directional plug 3-6 is movably connected to the roller II3-7 through the wheel axle II3-8. The directional plug I3-6 cooperates with the cleaning device support plate 2-6 to realize the control of the vertical displacement of the roller II3-7 by the double crankshaft 3-1.

[0031] Furthermore, such as Figure 6As shown, the rotary distance and pressure controlled automatic cleaning module 4 comprises several parts, including a single crankshaft 4-1, a crankshaft bracket II 4-2, a directional plug II 4-3, and a cleaning disc 4-4. The crankshaft bracket II 4-2 is fixedly connected to the cleaning device support plate 2-6. The crankshaft bracket II 4-2 is movably connected to the single crankshaft 4-1 via a bearing cover II 4-7. The crankshaft bracket II 4-2 and the bearing cover II 4-7 are fixedly connected. A rolling bearing is provided between the crankshaft bracket II 4-2 and the bearing cover II 4-7. The single crankshaft 4-1 is connected to the connecting rod II 4-4 via a connecting rod cover II 4-5. 6. Movable connection: Connecting rod II4-6 is fixedly connected to connecting rod cover II4-5. A rolling bearing is provided between connecting rod II4-6 and connecting rod cover II4-5. The rolling bearing can reduce the resistance of the circumferential rotation of the single crankshaft 4-1. Connecting rod II4-6 is movably connected to directional plug II4-3. The bottom of directional plug II4-3 is connected to a cleaning disc 4-4 via a motor. The directional plug II4-3 and the cleaning device support plate 2-6 cooperate to realize the adjustment of the vertical displacement of the cleaning disc 4-4 by the single crankshaft 4-1. The cleaning disc 4-4 is rotated by a motor.

[0032] Furthermore, such as Figure 1 , 2 As shown in Figures 3, 4, 5, and 6, the water-pipe-traction controllable self-weight pressure photovoltaic panel cleaning device is pulled by a water supply traction pipe. The water supply traction pipe of the cleaning device can pass through the center of the hollow roller 1-2 and move freely up and down between the two roller supports 1-1 with the hollow roller 1-2, so that the direction of the traction force applied by the water pipe to the cleaning device can be dynamically adjusted. After passing through the hollow roller 1-2, the water supply traction pipe is fixed by the cover plate on the cleaning device support plate 2-6. Finally, the water supply traction pipe passes through the bottom surface of the water tank 2-5 and enters the interior of the water tank 2-5, completing the water pipe connection and traction control process.

[0033] Furthermore, such as Figure 3 As shown, the bottom of the support plate 2-6 of the cleaning device is symmetrically provided with multiple cylindrical slots. The cylindrical slots, together with the directional plugs I3-6 and II4-3, enable the adjustment of the wheel height of the rollers I2-3 and II3-7 of the photovoltaic panel cleaning device.

[0034] Example 2: The above-mentioned water pipe-driven, controllable, self-weight pressure photovoltaic panel cleaning device achieves automated, accurate, and stable cleaning of photovoltaic panels, including the following steps: The principle behind the water pipe-driven, controllable weight-based pressure photovoltaic panel cleaning device, which adjusts the wheel height to change the pressure on the photovoltaic panels, is derived as follows: The cleaning device is placed on the surface of the photovoltaic panel, and the longitudinal view is shown in 7(a) and (b). The front and back views are respectively schematic diagrams of the cleaning device being placed at rest when the bottom surface of the cleaning device is parallel to the height of the photovoltaic panel surface and schematic diagrams of the cleaning device being placed at rest when the rollers of the cleaning device extend to their maximum length.

[0035] Up Figure 7 (a) Figure 7 (b) Force and torque analysis are performed on the cleaning device in the state shown, wherein the torque is taken for the rear wheel of the cleaning device during the torque analysis.

[0036] right Figure 7 (a) From the torque balance equation, we can obtain: ; right Figure 7 (b) From the torque balance equation, we can obtain: ; Analysis shows that the water storage capacity of the cleaning device remains unchanged before and after wheel height adjustment, while the gravity of the cleaning device remains constant. G Unchanged, force exerted by the water pipe F Unchanged; because the water supply traction pipe can move freely up and down along the roller support with the hollow rollers, the front and rear force of the wheel height adjustment remains the same. F If the vertical distance from the rear wheel remains constant to ensure that the water supply traction pipe is always parallel to the surface of the photovoltaic panel, then... d 1= d 2; Since the distance between the front and rear wheels of the cleaning device remains constant, then... b 1= b 2; Due to the rear wheels being raised, the center of gravity of the cleaning fluid shifts forward, reducing the weight of the cleaning device. G The distance from the rear wheel increases in the vertical direction, that is... s 1< s 2. Based on the above calculation results, we can obtain N 1< N 3. Since the rear wheel of the cleaning device can always maintain contact with the photovoltaic panel surface under the action of the water supply traction pipe, raising the rear wheel can increase the force of the front wheel of the cleaning device on the photovoltaic panel and the torque of gravity on the rear wheel. The former can improve the adhesion of the front wheel when working, so as to prevent slippage, while the latter can enable the cleaning device to press firmly on the photovoltaic surface, thereby increasing the force of the cleaning disc on the photovoltaic panel when the cleaning device is working.

[0037] Example 3: The water-pipe-driven, controllable, weight-based pressure photovoltaic panel cleaning device achieves the method of changing the pressure on the photovoltaic panels by adjusting the wheel height as follows: Step 1: Place the water-pipe-pulled controllable self-weight pressure photovoltaic panel cleaning device on the photovoltaic panel surface, and keep the cleaning device stationary under the action of the water supply traction pipe. The lateral orientation of the cleaning device on the photovoltaic panel surface is determined by the length of the released water supply traction pipe. Adjust the double crankshaft 3-1 to make the bottom surface of the cleaning device parallel to the photovoltaic panel surface, and control the cleaning device to move to the area of ​​the photovoltaic panel to be cleaned.

[0038] Step 2: Control the rotation of the double crankshaft 3-1 to make the roller II 3-7 extend to its maximum length. Control the single crankshaft 4-1 on the automatic cleaning module 4 to rotate slowly, so that the cleaning disc 4-4 is forced to press against the surface of the photovoltaic panel. Then start the motor to drive the cleaning disc 4-4 to start rotating and cleaning. At the same time, control the water supply to pull the water pipe to drive the cleaning device to repeatedly clean the photovoltaic panel horizontally until the stains are removed.

[0039] Although the preferred embodiments of the present invention have been described above in conjunction with the accompanying drawings, the present invention is not limited to the specific embodiments described above. The specific embodiments described above are merely illustrative and not restrictive. Those skilled in the art can make many specific modifications under the guidance of the present invention without departing from the spirit of the invention and the scope of protection of the claims, and these modifications all fall within the scope of protection of the present invention.

Claims

1. A water pipe-driven, controllable, self-weight pressure photovoltaic panel cleaning device, characterized in that, The system includes a roller orientation torque control module (1), on the outer surface of which is provided a cleaning device housing (1-3). The roller orientation torque control module (1) is movably connected to one end of a water supply traction pipe through the cleaning device housing (1-3) and is pulled by the water supply traction pipe. The other end of the water supply traction pipe is connected to an externally provided water pipe winding and unwinding device. Inside the cleaning device housing (1-3) of the roller orientation torque control module (1), a water storage liquid dynamic balance cleaning device housing (2) is provided through a threaded connection. The built-in water storage liquid dynamic balance cleaning device housing (2) is provided with a cleaning device support plate (2-6) at the bottom, and a rear-mounted rotating height adjustment and pressure boosting wheel group (3) is fixedly connected behind it. The built-in water storage liquid dynamic balance cleaning device housing (2) is provided with a cleaning device support plate (2-6) at the bottom, and a rotating distance control and pressure control automatic cleaning module (4) is fixedly connected in the middle.

2. The water pipe traction controllable self-weight pressure photovoltaic panel cleaning device according to claim 1, characterized in that: The roller orientation torque control module (1) comprises several parts, including a roller bracket (1-1), a hollow roller (1-2), and a cleaning device housing (1-3). The rear surface of the cleaning device housing (1-3) has an opening. The two roller brackets (1-1) are symmetrically embedded in the opening on the rear surface of the cleaning device housing (1-3). One side of the two roller brackets (1-1) is fixedly connected to the rear surface of the cleaning device housing (1-3) by a threaded connection. The hollow roller (1-2) is located between the two roller brackets (1-2) and is movably connected to the two roller brackets (1-2).

3. The water pipe traction controllable self-weight pressure photovoltaic panel cleaning device according to claim 2, characterized in that: The housing (2) of the built-in water storage liquid dynamic balance cleaning device comprises several parts, including axle I (2-1), roller bracket I (2-2), roller I (2-3), cleaning device upper cover plate (2-4), water tank (2-5), and cleaning device support plate (2-6). The roller bracket I (2-2) is fixedly connected to the cleaning device support plate (2-6). The roller I (2-3) is movably connected to the roller bracket I (2-2) through axle I (2-1). The cleaning device support plate (2-6) is fixedly connected to the cleaning device outer shell (1-3). The water tank (2-5) is fixedly connected to the cleaning device outer shell (1-3). The cleaning device upper cover plate (2-4) is fixedly connected to the cleaning device outer shell (1-3) through a threaded connection.

4. The water pipe traction controllable self-weight pressure photovoltaic panel cleaning device according to claim 3, characterized in that: The rear-mounted rotating height-adjustable booster wheel assembly (3) comprises several parts, including a double-crankshaft (3-1), connecting rod cover I (3-2), connecting rod I (3-3), bearing cover I (3-4), and crankshaft bracket I (3-5). The crankshaft bracket I (3-5) is fixedly connected to the cleaning device support plate (2-6). The crankshaft bracket I (3-5) is movably connected to the double-crankshaft (3-1) via bearing cover I (3-4). The bearing cover I (3-4) is fixedly connected to the crankshaft bracket I (3-5). A rolling bearing is provided between frame I (3-5) and bearing cover I (3-4). The double crankshaft (3-1) is movably connected to connecting rod I (3-3) through connecting rod cover I (3-2). The connecting rod I (3-3) is fixedly connected to connecting rod cover I (3-2). A rolling bearing is provided between connecting rod I (3-3) and connecting rod cover I (3-2). The connecting rod I (3-3) is movably connected to directional plug I (3-6). The directional plug (3-6) is movably connected to roller II (3-7) through wheel axle II (3-8).

5. The water pipe traction controllable self-weight pressure photovoltaic panel cleaning device according to claim 4, characterized in that: The rotary distance and pressure controlled automatic cleaning module (4) comprises several parts, including a single crankshaft (4-1), a crankshaft bracket II (4-2), a directional plug II (4-3), and a cleaning disc (4-4). The crankshaft bracket II (4-2) is fixedly connected to the cleaning device support plate (2-6). The crankshaft bracket II (4-2) is movably connected to the single crankshaft (4-1) through a bearing cover II (4-7). The crankshaft bracket II (4-2) is fixedly connected to the bearing cover II (4-7). A rolling bearing is provided between (4-7). The single crankshaft (4-1) is movably connected to the connecting rod (4-6) through the connecting rod cover (4-5). The connecting rod (4-6) is fixedly connected to the connecting rod cover (4-5). A rolling bearing is provided between the connecting rod (4-6) and the connecting rod cover (4-5). The connecting rod (4-6) is movably connected to the directional plug (4-3). The bottom of the directional plug (4-3) is connected to a cleaning disc (4-4) through a motor. The cleaning disc (4-4) is rotated by the motor.

6. The water pipe traction controllable self-weight pressure photovoltaic panel cleaning device according to claim 5, characterized in that: The water-pipe-traction controllable self-weight pressure photovoltaic panel cleaning device is pulled by a water supply traction pipe. The water supply traction pipe of the cleaning device can pass through the center of the hollow roller (1-2) and move freely up and down between the two roller supports (1-1) with the hollow roller (1-2). After passing through the hollow roller (1-2), the water supply traction pipe is fixed by the cover plate on the cleaning device support plate (2-6). Finally, the water supply traction pipe passes through the bottom surface of the water tank (2-5) and enters the interior of the water tank (2-5).

7. The water pipe traction controllable self-weight pressure photovoltaic panel cleaning device according to claim 6, characterized in that: The bottom of the support plate (2-6) of the cleaning device is symmetrically provided with multiple cylindrical slots. The cylindrical slots, together with the directional plug I (3-6) and directional plug II (4-3), realize the wheel height adjustment function of the roller I (2-3) and roller II (3-7) of the water pipe traction controllable self-weight pressure photovoltaic panel cleaning device.

8. A method for cleaning photovoltaic panels over obstacles using the water pipe traction controllable self-weight pressure photovoltaic panel cleaning device as described in claim 7, comprising the following steps: Step 1: Place the water pipe-pulled controllable self-weight pressure photovoltaic panel cleaning device on the surface of the photovoltaic panel, and keep the cleaning device stationary under the action of the water supply traction pipe. The lateral orientation of the cleaning device on the photovoltaic panel surface is determined by the length of the released water supply traction pipe. Adjust the double crankshaft (3-1) so that the bottom surface of the cleaning device is parallel to the surface of the photovoltaic panel, and control the cleaning device to move to the area of ​​the photovoltaic panel to be cleaned. Step 2: Control the rotation of the double crankshaft (3-1) to make the roller II (3-7) extend to its maximum length. Control the single crankshaft (4-1) on the automatic cleaning module (4) to rotate slowly, so that the cleaning disc (4-4) is forced to press against the surface of the photovoltaic panel. Then start the motor to drive the cleaning disc (4-4) to start rotating and cleaning. At the same time, control the water supply to pull the water pipe to drive the cleaning device to repeatedly clean the photovoltaic panel horizontally until the stains are removed.

Images