Semi-frame type photovoltaic panel cleaning device and using method thereof

Abstract

The invention relates to a semi-frame type photovoltaic panel cleaning device and a using method thereof. The semi-frame type photovoltaic panel cleaning device comprises a shell, a motor, a remote controller, a walking system, a cleaning system and a control system. The invention further comprises a using method of the semi-frame type photovoltaic panel cleaning device. The clamp is arranged, a clamp base is fixed to the shell, and a lower pulley, a vertical straight wheel and a synchronous belt in the clamp can be matched with three faces of an upper frame and a lower frame of a photovoltaic panel and can be installed on the photovoltaic panel with the inclination angle larger than 30 degrees. The spring arranged between the lower pulley supports in the clamp can play a pressing role to prevent the lower pulley from idling, only one motor is needed, the structure is simple, and the manufacturing cost is low; the device is driven by the motor, and manpower can be greatly saved; according to the cleaning system, chain transmission is adopted, the sweeping range space is large, and besides dust, accumulated snow can be swept.

Description

Technical Field

[0001] The technical solution of the present invention relates to a cleaning device, specifically a semi-frame photovoltaic panel cleaning device and a use method thereof. Background Art

[0002] At present, the cleaning of photovoltaic panels mainly relies on manual labor, which consumes a lot of manpower and material resources. There are also some photovoltaic panel cleaning devices that can be used to clean photovoltaic panels and are used in the field of photovoltaic panel power generation; however, the existing photovoltaic panel cleaning devices cannot be conveniently installed on photovoltaic panels with an inclination angle greater than 30° for cleaning, and can only clean dust but not snow. The patent document CN111619688A discloses a photovoltaic panel cleaning device with a barrier-crossing adsorption component, including a fuselage, and a barrier-crossing adsorption component is arranged at the bottom of the fuselage. The barrier-crossing adsorption component includes a suction cup upper cover, a suction cup, and a suction cup lower cover. When the inclination angle of the photovoltaic panel is greater than 30°, the crawler drive must be equipped with an adsorption system to travel normally on the surface of the photovoltaic panel, but the cost of the cleaning device after the adsorption system is installed is significantly increased. Summary of the invention

[0003] The technical problem to be solved by the present invention is to provide a photovoltaic panel cleaning device that can be conveniently installed on a photovoltaic panel with an inclination angle greater than 30°, clean dust and snow on the photovoltaic panel, and reduce manual work intensity.

[0004] The technical solution adopted by the present invention to solve the technical problem includes a semi-frame photovoltaic panel cleaning device, including a shell, a motor, a remote controller, a walking system, a cleaning system and a control system, wherein a control compartment is arranged inside the shell, and the control system is arranged in the control compartment, which includes a control panel, a driver and a power supply for powering all electrical components; the driver is electrically connected to the control panel, the power supply is electrically connected to the driver, and the motor is electrically connected to the driver; Furthermore, the motor is a double-output shaft type stepper motor, and the output shafts at both ends of the motor are respectively provided with two bevel gears, namely bevel gear b and bevel gear f. The motor is arranged in a central position below the housing, parallel to the bottom edge of the housing and facing the photovoltaic panel, and the base of the motor is connected to the housing by bolts. Furthermore, the walking system includes 2 fixtures, bevel gear a, walking system transmission shaft, synchronous pulley a, synchronous pulley b, synchronous pulley c, synchronous pulley d, 4 lower pulleys, 4 lower pulley brackets, 2 synchronous belts and 2 springs, and the above parts are divided into two parts and installed in two fixtures respectively; one of the fixtures is provided with a synchronous pulley, synchronous pulley b, 2 lower pulleys, 2 lower pulley brackets, 1 synchronous belt, 1 spring, walking system transmission shaft, bevel gear a, and one end of the walking system transmission shaft is connected to the synchronous pulley by a key Pulley a is matched and fixed with a fixture as a bracket. One end is matched with bevel gear a through a key connection and fixed with bolts using a shaft end retaining ring. Synchronous pulley b is connected and fixed in the fixture through a pin shaft. The synchronous belt and synchronous pulley are matched and transmitted through tooth meshing. One end of the lower pulley bracket is connected to the lower pulley through a pin shaft, and the other end is connected to one end of another lower pulley bracket and fixed in the fixture through bolts. A lower pulley is installed in the same way at the other end of the other lower pulley bracket. Both ends of the spring are fixed to the middle of the two lower pulley brackets through pins. Synchronous pulley c and synchronous pulley d in another fixture are fixedly connected to the fixture through a pin shaft. The remaining two lower pulleys, two lower pulley brackets, a spring, and a synchronous belt are installed in the same way as in the previous fixture. The two fixtures and their internal parts constitute a walking system and are symmetrically arranged at both ends of the shell and fixed to the base with bolts. Furthermore, the cleaning system includes a chain, 7 sprockets, 12 snowplows, a cleaning system transmission shaft a, a cleaning system transmission shaft b, a cleaning system transmission shaft bracket, a bevel gear c, a bevel gear d, and a bevel gear e, wherein one sprocket is arranged at one-third of the wide side of the shell, the sprocket is connected to the cleaning system transmission shaft b by a key, the other end of the cleaning system transmission shaft b is connected to the bevel gear e by a key, the bevel gear e is meshed with the bevel gear d, the bevel gear d is connected to the cleaning system transmission shaft a by a key, the other end of the cleaning system transmission shaft a is connected to the bevel gear c by a key, and the cleaning system transmission shaft a is fixed to the shell by bolts using a cleaning system shaft bracket; the other 6 sprockets are evenly distributed around the shell 1 and are fixed to the shell by bolts; the 12 snowplows are evenly distributed around the chain, wherein the chain links outside the snowplow arrangement position are integrated with the snowplow to connect the snowplow; Furthermore, one of the output shafts of the motor is connected to the bevel gear f16 through a key, and the bevel gear f cooperates with the bevel gear a to realize steering and transmission. The three sides of the upper and lower frames of the photovoltaic panel cooperate with the vertical straight wheel, synchronous belt, and lower pulley of the walking system; Furthermore, another output shaft of the motor is key-connected with the bevel gear b, and the bevel gear b, bevel gear c, cleaning system transmission shaft a, bevel gear d, bevel gear e, and cleaning system transmission shaft b are matched in sequence through tooth meshing.

[0005] In the above-mentioned semi-frame photovoltaic panel cleaning device, the snow removal plate is designed as a flat cylinder with one end being in the shape of an arc.

[0006] The chain number of the above-mentioned semi-frame photovoltaic panel cleaning device is 16A.

[0007] In the above-mentioned semi-frame photovoltaic panel cleaning device, the motor is a double-shaft stepper motor, and its brand and model is Reisai 86CM45-SZ.

[0008] The above-mentioned semi-frame photovoltaic panel cleaning device, the brand and model of the driver is Reisai DM870.

[0009] The above-mentioned semi-frame photovoltaic panel cleaning device, the power supply is a 36V DC power supply.

[0010] In the above-mentioned semi-frame photovoltaic panel cleaning device, the key connections used are all flat keys.

[0011] In the above-mentioned semi-frame photovoltaic panel cleaning device, the driving shaft of the walking system is a keyed shaft and has a threaded hole at one end.

[0012] The technical solution adopted by the present invention to solve the technical problem also includes a method for using the above-mentioned semi-frame photovoltaic panel cleaning device, comprising the following steps: The first step is to install the device on the photovoltaic panel: The device can be hung on the surface of the photovoltaic panel by using the vertical straight wheel, the lower pulley, the synchronous belt and the photovoltaic panel frame inside the fixture; Step 2: Start the power supply: At this time, turn on the power switch and the power supply starts to supply power; Step 3, move to the left and clean: At this time, use the remote control to control the device to move to the left and clean the photovoltaic panel; Step 4: Move to the right and clean: At this time, use the remote control to control the device to move to the right and clean the photovoltaic panel; Step 5: End of use: Repeat steps 3 and 4 until the surface of the photovoltaic panel is clean, then turn off the power and end use. The components used in the semi-frame photovoltaic panel cleaning device and the use method thereof are well known to those skilled in the art and are obtained through known methods. The connection method of the components is within the control of those skilled in the art.

[0013] Compared with the prior art, the semi-frame photovoltaic panel cleaning device and the use method of the present invention have the following advantages in addition to the functions of a conventional cleaning device: (1) The present invention is provided with a clamp, the base of the clamp is fixed to the shell, and the lower pulley, vertical straight wheel and synchronous belt inside the clamp can cooperate with the upper and lower frames of the photovoltaic panel on three sides and can be installed on the photovoltaic panel with an inclination angle greater than 30°.

[0014] (2) A spring is provided between the lower pulley brackets in the clamp of the present invention to play a compression role and prevent the lower pulley from idling.

[0015] (3) The present invention requires only one electric motor and has a simple structure and low cost.

[0016] (4) The present invention is driven by an electric motor and can save a lot of manpower.

[0017] (5) The cleaning system of the present invention adopts chain drive and has a large cleaning range. In addition to cleaning dust, it can also clean snow. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0019] Figure 1 This is a side structural schematic diagram of a semi-frame photovoltaic panel cleaning device of the present invention installed on a photovoltaic panel.

[0020] Figure 2 This is a front structural display of a semi-frame photovoltaic panel cleaning device installed on a photovoltaic panel and a schematic diagram of the remote control used in the present invention.

[0021] Figure 3 This is a back structure diagram showing a semi-frame photovoltaic panel cleaning device of the present invention installed on a photovoltaic panel.

[0022] Figure 4 This is a side and rear structural display diagram of a semi-frame photovoltaic panel cleaning device of the present invention installed on a photovoltaic panel.

[0023] Figure 5 This is a side front structural display diagram of a semi-frame photovoltaic panel cleaning device of the present invention installed on a photovoltaic panel.

[0024] Figure 6 This is a schematic diagram of a semi-frame photovoltaic panel cleaning device of the present invention that is not installed on a photovoltaic panel.

[0025] Figure 7 This is a schematic diagram of a semi-frame photovoltaic panel cleaning device according to the present invention when viewed from above.

[0026] Figure 8 This is a schematic diagram of a semi-frame photovoltaic panel cleaning device according to the present invention from a front view angle.

[0027] Fig. 9 This is a schematic diagram of a side view of a semi-frame photovoltaic panel cleaning device of the present invention.

[0028] Fig.10 This is a schematic diagram of the installation structure of internal parts of a clamp of a semi-frame photovoltaic panel cleaning device of the present invention.

[0029] Fig.11 This is a schematic diagram of the transmission structure details of the motor and travel system of a semi-frame photovoltaic panel cleaning device of the present invention.

[0030] Fig.12 This is a schematic side view of the transmission structure of the motor and travel system of a semi-frame photovoltaic panel cleaning device of the present invention.

[0031] Fig.13 This is a schematic diagram of the details of the cooperation between the walking system and the photovoltaic panel frame of a semi-frame photovoltaic panel cleaning device of the present invention.

[0032] Fig.14 The present invention is a schematic diagram of the cleaning system structure of a semi-frame photovoltaic panel cleaning device.

[0033] Fig.15 The present invention is a schematic diagram of a cleaning system structure and a motor transmission structure of a semi-frame photovoltaic panel cleaning device.

[0034] Fig.16 This is a schematic diagram of the connection details of the snow removal plate and chain of a semi-frame photovoltaic panel cleaning device of the present invention.

[0035] Fig.17 A schematic diagram of a snow removal plate of a semi-frame photovoltaic panel cleaning device of the present invention.

[0036] Fig.18 This is a schematic diagram of the transmission shaft of the traveling system of a semi-frame photovoltaic panel cleaning device of the present invention.

[0037] Fig.19 The present invention is a logic flow chart of a method for using a semi-frame photovoltaic panel cleaning device.

[0038] In the figure: 1. housing, 2. snow removal plate, 3. chain, 4. sprocket, 6. fixture, 7. bevel gear a, 8. motor, 9. bevel gear b, 10. bevel gear c, 11. bevel gear d, 12. vertical surface wheel, 13. lower pulley, 14. synchronous belt, 15. bevel gear e, 16. bevel gear f, 17. spring, 18. lower pulley bracket, 19. control compartment, 20. cleaning system drive shaft a, 21. cleaning system drive shaft b, 22. walking system drive shaft, 23. synchronous pulley a, 24. synchronous pulley b, 25. synchronous pulley c, 26. synchronous pulley d, 27. cleaning system drive shaft bracket, 28. shaft end retaining ring, 29. photovoltaic panel, 30. remote control. DETAILED DESCRIPTION

[0040] Figures 1 to 9 The illustrated embodiment shows that a semi-frame photovoltaic panel cleaning device of the present invention comprises a housing 1, a motor 8, a remote controller 30, a traveling system, a cleaning system and a control system; Furthermore, a control compartment is provided inside the housing 1, and a control system is provided in the control compartment 19, which includes a control panel, a driver, and a power supply for powering all electrical components; the driver is electrically connected to the control panel, the power supply is electrically connected to the driver, and the motor 8 is electrically connected to the driver; Furthermore, the motor 8 is a dual-axis output shaft reduction motor, and the output shafts at both ends of the motor 8 are respectively provided with two bevel gears, namely a bevel gear b9 and a bevel gear f16. The motor 8 is arranged at a central position below the housing 1, parallel to the bottom edge of the housing 1 and facing the photovoltaic panel, and the base of the motor 8 is connected to the housing 1 by bolts; Further, the walking system includes two fixtures 6, a bevel gear a7, a walking system transmission shaft 22, a synchronous pulley a23, a synchronous pulley b24, a synchronous pulley c25, a synchronous pulley d26, four lower pulleys 13, four lower pulley brackets 18, two synchronous belts 14, and two springs 17, and the above parts are divided into two parts and respectively installed in the two fixtures 6. The two fixtures 6 and their internal parts constitute the walking system, and are symmetrically arranged at both ends of the shell 1 and fixed to the base with bolts. A semi-frame photovoltaic panel cleaning device is suspended on the photovoltaic panel frame through a walking mechanism and moves left and right; Furthermore, the cleaning system includes a chain 3, 7 sprockets 4, 12 snow removal plates 2, a cleaning system transmission shaft a20, a cleaning system transmission shaft b21, a cleaning system transmission shaft bracket 27, a bevel gear c10, a bevel gear d11, and a bevel gear e15, wherein a sprocket 4 is arranged at one-third of the wide side of the housing 1, the sprocket 4 is connected to the cleaning system transmission shaft b21 by a key, the other end of the cleaning system transmission shaft b21 is connected to the bevel gear e15 by a key, the bevel gear e15 is meshed with the bevel gear d11, the bevel gear d11 is connected to the cleaning system transmission shaft a20 by a key, the other end of the cleaning system transmission shaft a20 is connected to the bevel gear c10 by a key, and the cleaning system transmission shaft a20 is fixed to the housing 1 by bolts using the cleaning system shaft bracket 27. The other 6 sprockets 4 are evenly distributed around the housing 1 and fixed to the housing 1 by bolts. 12 snow removal boards 2 are evenly distributed around the chain 3, wherein the chain links outside the snow removal board 2 are integrally connected to the snow removal board 2, and the chain 3 cooperates with the sprocket 4 to rotate around the housing 1 to drive the snow removal board to achieve the cleaning function; Furthermore, one of the output shafts of the motor 8 is connected to the bevel gear f16 through a key, and the bevel gear f16 cooperates with the bevel gear a7 to realize steering and transmission. The three sides of the upper and lower frames of the photovoltaic panel cooperate with the vertical straight wheel 12, the synchronous belt 14, and the lower pulley 13 of the walking system to realize suspension; Furthermore, the other output shaft of the motor 8 is key-connected with the bevel gear b9, and the bevel gear b9, bevel gear c10, cleaning system transmission shaft a20, bevel gear d11, bevel gear e15, and cleaning system transmission shaft b21 are matched in sequence through tooth meshing to achieve transmission; the above components are connected by bolts in many places. On the one hand, bolt connections are easy to install and disassemble, and bolt connections can be installed and disassembled with simple tools, which is convenient for equipment maintenance and replacement of parts. On the other hand, bolt connections have low costs, and bolts can generally be used multiple times, reducing costs. At the same time, bolt connections are also convenient for assembly operations.

[0041] Fig.10 The illustrated embodiment shows that in a semi-frame photovoltaic panel cleaning device of the present invention, a synchronous pulley a23, a synchronous pulley b24, two lower pulleys 13, two lower pulley brackets 18, a synchronous belt 14, a spring 17, a walking system transmission shaft 22, and a bevel gear a7 are arranged in one fixture 6. One end of the walking system transmission shaft 22 cooperates with the synchronous pulley a23 through a key connection and is fixed with the fixture 6 as a bracket, and one end cooperates with the bevel gear a7 through a key connection and is fixed with a shaft end retaining ring 28 by bolts. The synchronous pulley b24 is fixed to the fixture 6 through a pin shaft, and the synchronous belt and the synchronous pulley are matched and transmitted through tooth meshing. One end of the lower pulley bracket 18 is connected to the lower pulley 13 through a pin shaft, and the other end is connected to one end of another lower pulley bracket 18 and fixed in the fixture 6 through bolts. The other end of the other lower pulley bracket 18 is installed with a lower pulley 13 in the same way, and the two ends of the spring 17 are fixedly connected to the middle of the two lower pulley 13 brackets by pins. The synchronous pulley c25 and the synchronous pulley d26 in another clamp 6 are fixedly connected to the clamp 6 through a pin shaft, and the remaining two lower pulleys 13, two lower pulley brackets 18, one spring 17, and one synchronous belt 14 are installed in the same way as in the previous clamp 6.

[0042] Figures 11-12 The illustrated embodiment shows the details of the motor and the travel mechanism of a semi-frame photovoltaic panel cleaning device of the present invention. The clamp 6 and the motor 8 are fixed to the housing 1 by bolts, and the bevel gear f16 is meshed with the bevel gear a7 to realize the variable direction transmission.

[0043] Fig.13 The illustrated embodiment shows the details of the cooperation between the walking mechanism of a semi-frame photovoltaic panel cleaning device of the present invention and the photovoltaic panel frame. The vertical straight wheel 12, the lower pulley 13, and the synchronous belt 14 are in contact with the photovoltaic panel frame on three sides so that it can be suspended on the photovoltaic panel.

[0044] Figures 14 and 15 The illustrated embodiment shows that the cleaning system of a semi-frame photovoltaic panel cleaning device of the present invention and the coordinated transmission with the motor, the sprocket 4 is connected to the cleaning system transmission shaft b21 by a key, the other end of the cleaning system transmission shaft b21 is connected to the bevel gear e15 by a key, the bevel gear e15 is meshed with the bevel gear d11, the bevel gear d11 is connected to the cleaning system transmission shaft a20 by a key, the other end of the cleaning system transmission shaft a20 is connected to the bevel gear c10 by a key, and the bevel gear c10 is meshed with the bevel gear b9 to realize the directional transmission.

[0045] Fig.16 The illustrated embodiment shows the details of the cooperation between the snow removal board 2 and the chain 3 of a semi-frame photovoltaic panel cleaning device of the present invention, where a certain outer section of the chain 3 and the snow removal board 2 are integrated.

[0046] Fig.17 The illustrated embodiment shows that the snow removal plate 2 of the semi-frame photovoltaic panel cleaning device of the present invention is a flat cylinder with one end being in an arc shape.

[0047] Fig.18 The illustrated embodiment shows that the driving shaft 22 of the traveling system of the semi-frame photovoltaic panel cleaning device of the present invention is a keyed shaft and has a threaded hole at one end.

[0048] Fig.19 As shown, the use method of the semi-frame photovoltaic panel cleaning device of the present invention is as follows: The first step is to install the device on the photovoltaic panel: The vertical straight wheel 12, the lower pulley 13, the synchronous belt 14 in the fixture cooperate with the upper and lower frames of the photovoltaic panel 29 to install the device on the photovoltaic panel.

[0049] Step 2: Start the power supply: At this time, turn on the power switch and the power supply starts to supply power; Step 3, move to the left and clean: At this time, the remote controller 30 is used to control the device to move to the left and clean the photovoltaic panel; Step 4: Move to the right and clean: At this time, the remote controller 30 is used to control the device to move to the right and clean the photovoltaic panel; Step 5: End of use: Repeat steps 3 and 4 until the surface of the photovoltaic panel is clean, then turn off the power and end use. Example

[0050] According to the above Figures 1 to 18As shown, a semi-frame photovoltaic panel cleaning device is obtained, wherein the distance between the housing 1 and the chain 3 is 15 mm, the snow removal plate 2 is a soft plastic snow removal plate, the motor 8 is a double-shaft stepper motor, and the motor 8 is a Leisai 86CM45-SZ. In addition, the chain number of the chain 33 is 16A, the number of teeth of the synchronous pulley 5 is 25, the synchronous pulley model is 5M, the synchronous belt 14 model is 5M, the belt width is 9 mm, and the center distance between the two synchronous pulleys is 175 mm.

[0051] according to Fig.19 The content shown and the method of using the above-mentioned semi-frame photovoltaic panel cleaning device can be used to operate the device to perform operations.

[0052] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A semi-frame photovoltaic panel cleaning device, comprising a housing, a motor, a remote controller, a walking system, a cleaning system and a control system, characterized in that: A control compartment is provided inside the housing, and a control system is provided in the control compartment, which includes a control panel, a driver, and a power supply for supplying power to all electrical components; the driver is electrically connected to the control panel, the power supply is electrically connected to the driver, and the motor is electrically connected to the driver; Furthermore, the motor is a double-output shaft type stepper motor, and the output shafts at both ends of the motor are respectively provided with two bevel gears, namely bevel gear b and bevel gear f. The motor is arranged in a central position below the housing, parallel to the bottom edge of the housing and facing the photovoltaic panel, and the base of the motor is connected to the housing by bolts; Furthermore, the walking system includes 2 fixtures, bevel gear a, walking system transmission shaft, synchronous pulley a, synchronous pulley b, synchronous pulley c, synchronous pulley d, 4 lower pulleys, 4 lower pulley brackets, 2 synchronous belts and 2 springs, and the above parts are divided into two parts and are respectively installed in two fixtures; one of the fixtures is provided with a synchronous pulley, synchronous pulley b, 2 lower pulleys, 2 lower pulley brackets, 1 synchronous belt, 1 spring, walking system transmission shaft, bevel gear a, one end of the walking system transmission shaft is matched with the synchronous pulley a through a key connection and is fixed with the fixture as a bracket, and the other end is matched with the bevel gear a through a key connection and is fixed with a shaft end retaining ring with bolts, and the synchronous pulley b is connected through a key connection. The synchronous belt and synchronous pulley are connected and fixed in the fixture through a pin shaft, and the synchronous belt and synchronous pulley are matched and transmitted through tooth meshing. One end of the lower pulley bracket is connected to the lower pulley through a pin shaft, and the other end is connected to one end of another lower pulley bracket through bolts and fixed in the fixture. A lower pulley is installed in the same way at the other end of the other lower pulley bracket, and both ends of the spring are fixedly connected to the middle of the two lower pulley brackets through pins; the synchronous pulley c and synchronous pulley d in the other fixture are fixedly connected to the fixture through a pin shaft, and the remaining two lower pulleys, two lower pulley brackets, a spring, and a synchronous belt are installed in the same way as in the previous fixture. The two fixtures and their internal parts constitute a walking system, and are symmetrically arranged at both ends of the shell and fixed to the base with bolts; Furthermore, the cleaning system includes a chain, 7 sprockets, 12 snowplows, a cleaning system transmission shaft a, a cleaning system transmission shaft b, a cleaning system transmission shaft bracket, a bevel gear c, a bevel gear d, and a bevel gear e, wherein one sprocket is arranged at one-third of the wide side of the shell, the sprocket is connected to the cleaning system transmission shaft b by a key, the other end of the cleaning system transmission shaft b is connected to the bevel gear e by a key, the bevel gear e is meshed with the bevel gear d, the bevel gear d is connected to the cleaning system transmission shaft a by a key, the other end of the cleaning system transmission shaft a is connected to the bevel gear c by a key, and the cleaning system transmission shaft a is fixed to the shell by bolts using a cleaning system shaft bracket; the other 6 sprockets are evenly distributed around the shell 1 and are fixed to the shell by bolts; the 12 snowplows are evenly distributed around the chain, wherein the chain links outside the snowplow arrangement position are integrated with the snowplow to connect the snowplow; Furthermore, one of the output shafts of the motor is connected to the bevel gear f16 through a key, and the bevel gear f cooperates with the bevel gear a to realize steering and transmission. The three sides of the upper and lower frames of the photovoltaic panel cooperate with the vertical straight wheel, synchronous belt, and lower pulley of the walking system; Furthermore, another output shaft of the motor is key-connected with the bevel gear b, and the bevel gear b, bevel gear c, cleaning system transmission shaft a, bevel gear d, bevel gear e, and cleaning system transmission shaft b are matched in sequence through tooth meshing.

2. A semi-frame photovoltaic panel cleaning device according to claim 1, characterized in that: The snow removal plate is designed as a flat cylinder with one end being in an arc shape.

3. A semi-frame photovoltaic panel cleaning device according to claim 1, characterized in that: The chain number of the chain is 16A.

4. A semi-frame photovoltaic panel cleaning device according to claim 1, characterized in that: The motor is a double-shaft stepper motor, and its brand and model is Leadshine 86CM45-SZ.

5. A semi-frame photovoltaic panel cleaning device according to claim 1, characterized in that: The brand and model of the driver is Leadshine DM870.

6. A semi-frame photovoltaic panel cleaning device according to claim 1, characterized in that: The power supply is a 36V DC power supply.

7. A semi-frame photovoltaic panel cleaning device according to claim 1, characterized in that: The key connections described are all flat keys.

8. A semi-frame photovoltaic panel cleaning device according to claim 1, characterized in that: The driving shaft of the walking system is a keyed shaft with a threaded hole at one end.

9. A method for using a semi-frame photovoltaic panel cleaning device, characterized in that: The steps include: The first step is to install the device on the photovoltaic panel: The device can be hung on the surface of the photovoltaic panel by using the vertical straight wheel, the lower pulley, the synchronous belt and the photovoltaic panel frame inside the fixture; Step 2: Start the power supply: At this time, turn on the power switch and the power supply starts to supply power; Step 3, move to the left and clean: At this time, use the remote control to control the device to move to the left and clean the photovoltaic panel; Step 4: Move to the right and clean: At this time, use the remote control to control the device to move to the right and clean the photovoltaic panel; Step 5: End of use: Repeat steps 3 and 4 until the surface of the photovoltaic panel is clean, then turn off the power and end use.

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