Cleaning device for solar photovoltaic panel

Abstract

The utility model relates to the technical field of photovoltaic facility cleaning equipment, and discloses a cleaning device for a solar photovoltaic panel, which comprises a supporting mechanism and a reciprocating cleaning mechanism, a rotary adjusting mechanism and a rotary limiting mechanism are arranged at the joint of the end parts of the supporting mechanism and the reciprocating cleaning mechanism, and the rotary adjusting mechanism is used for realizing the rotation of the reciprocating cleaning mechanism in the vertical direction; the rotation limiting mechanism is used for limiting the rotation range of the reciprocating mechanism; the supporting mechanism is a telescopic rod, the reciprocating cleaning mechanism comprises a supporting plate and a reciprocating driving structure arranged on the supporting plate, the end of the reciprocating driving structure is rotationally connected with a cleaning plate with the hollow interior, a plurality of high-pressure nozzles are evenly installed on one side of the cleaning plate, and the interior of the cleaning plate communicates with a high-pressure water supply pipe. In practical application, the mountain photovoltaic panel cleaning device can achieve simple, convenient and efficient cleaning of the mountain photovoltaic panel, and the cleaning efficiency and the cleaning effect of the mountain photovoltaic panel are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of photovoltaic facility cleaning equipment, and in particular to a cleaning device for solar photovoltaic panels. Background Art

[0002] In the field of renewable energy, solar energy is one of the cleanest and almost unlimited energy sources, and its application is becoming more and more widespread. The construction of mountain photovoltaic power stations is an effective way to expand the solar energy collection area by taking advantage of the natural terrain. However, although the deployment of photovoltaic panels in mountainous environments can make full use of the slopes to increase the sunshine time, it also brings unprecedented challenges to daily maintenance, especially cleaning work.

[0003] Traditional flat photovoltaic power stations usually use mechanized or automated cleaning systems, such as roller brush cleaning vehicles and spray devices, to efficiently remove dust and dirt from the surface of photovoltaic panels to ensure optimal photoelectric conversion efficiency. In contrast, due to the complex and changeable terrain and different slopes of mountain photovoltaic panels, conventional cleaning equipment is difficult to use. On the one hand, the steep slopes restrict the passage of large cleaning machinery, and even if they can reach, it is difficult to ensure the safety and stability of the cleaning process; on the other hand, the irregular surface may cause the sensors and navigation systems of automated cleaning equipment to fail to operate accurately, increasing the difficulty of operation and the risk of misjudgment; therefore, the efficiency and effect of existing mountain photovoltaic panel cleaning work are low, affecting the economic benefits and energy output of mountain photovoltaic power stations. Utility Model Content

[0004] The utility model aims to provide a cleaning device for solar photovoltaic panels, so as to improve the cleaning efficiency and cleaning effect of mountain photovoltaic panels and realize simple and efficient cleaning.

[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a cleaning device for solar photovoltaic panels, comprising a supporting mechanism and a reciprocating cleaning mechanism, wherein a rotation adjustment mechanism and a rotation limiting mechanism are provided at the end connection of the two, the rotation adjustment mechanism is used to realize the rotation of the reciprocating cleaning mechanism in the vertical direction, and the rotation limiting mechanism is used to limit the rotation range of the reciprocating mechanism; the supporting mechanism is a telescopic rod, and the reciprocating cleaning mechanism comprises a supporting plate and a reciprocating driving structure arranged on the supporting plate, the end of the reciprocating driving structure is rotatably connected to an internally hollow cleaning plate, a plurality of high-pressure nozzles are evenly installed on one side of the cleaning plate, and a high-pressure water supply pipe is connected to the inside of the cleaning plate.

[0006] The principles and advantages of this solution are:

[0007] Compared with traditional flat-land photovoltaic power stations, mountain photovoltaic power stations have complex and changeable terrain and different slopes. The installation inclination angles of mountain photovoltaic panels vary and are difficult to unify, making it difficult to use conventional cleaning equipment. In order to ensure the installation stability and light collection intensity of mountain photovoltaic panels, the bottom of the photovoltaic panels are usually located on the supporting structure, so that the installation height of the photovoltaic panels is higher than the average adult male height. The staff standing on the ground cannot reach the bottom of the photovoltaic panels. When the staff use traditional flat-land photovoltaic panel cleaning devices to clean mountain photovoltaic panels, they need to place structures such as footrests or tripods under their feet to increase the height. When working in the mountains, the complex terrain makes it difficult for the staff's feet to be stably fixed, posing a safety risk.

[0008] In this solution, a rotating adjustment mechanism is provided between the supporting mechanism and the reciprocating cleaning mechanism, and the cleaning plate is rotatably connected to the end of the reciprocating driving structure, so that the reciprocating cleaning mechanism can be rotated and adjusted relative to the supporting mechanism or in the vertical and horizontal directions to adapt to various installation inclination angles of the photovoltaic panels on the mountain, and the dead corners or blind spots of the photovoltaic panels on the mountain are comprehensively cleaned to ensure the cleaning effect. In this solution, the reciprocating driving structure is used to drive the cleaning plate and the high-pressure nozzle to perform automatic reciprocating motion, which effectively improves the cleaning efficiency, and also reduces the labor intensity of manual reciprocating cleaning by the staff, reducing the labor cost and cleaning cost; secondly, by using the supporting mechanism, the staff only needs to stand on the surface of the mountain, and then drive the reciprocating cleaning mechanism to extend upward to the height of the photovoltaic panel, which effectively reduces the safety risks caused by unstable standing operations at heights.

[0009] Furthermore, the rotation adjustment mechanism includes a U-shaped connector and a first rotating shaft, which are rotationally connected. The U-shaped connector is connected to the top of the telescopic rod. Both ends of the U-shaped connector are provided with connecting holes, and the first rotating shaft is rotatably installed in the connecting hole.

[0010] Through the above arrangement, the reciprocating cleaning mechanism can rotate in the vertical direction to achieve angle adjustment, so as to realize comprehensive cleaning of mountain photovoltaic panels installed at various inclination angles. At the same time, the reciprocating cleaning mechanism rotates in the vertical direction relative to the supporting mechanism, so that the staff does not have to be completely above the mountain photovoltaic panels to carry out cleaning work when on the mountain, which reduces the work difficulty and safety risks, and effectively improves the cleaning effect and cleaning efficiency of mountain photovoltaic panels; and the hollow structure of the U-shaped connector reduces the overall mass of the device while ensuring rotation adjustment.

[0011] Furthermore, the rotation limiting mechanism includes a limiting block and an arc-shaped limiting groove, the arc-shaped limiting groove is arranged on the U-shaped connecting piece and is connected to the connecting hole, and the limiting block is installed on the rotating shaft and rotates in the arc-shaped limiting groove.

[0012] The range of the rotation angle of the first rotating shaft is limited by cooperating with the limit block and the arc-shaped limit groove, so as to prevent the first rotating shaft from driving the reciprocating cleaning mechanism to rotate excessively, thereby affecting the staff's operation of the device and the cleaning efficiency and effect of the photovoltaic panel.

[0013] Furthermore, the support plate is fixedly connected to the first rotating shaft.

[0014] The support plate is fixedly connected to the first rotating shaft to ensure that the support plate and the reciprocating drive structure installed on the support plate can rotate synchronously with the first rotating shaft, so as to ensure that the travel direction of the rack is always parallel to the surface of the photovoltaic panel in the working state, thereby ensuring the best cleaning effect.

[0015] Furthermore, the reciprocating drive structure includes a drive motor and an engagement unit, and the engagement unit includes a gear mounted on the end of the output shaft of the drive motor and a rack slidably connected to the support plate.

[0016] The output shaft of the driving motor configured as above drives the gear to rotate, and the gear drives the rack to slide back and forth through meshing, and the reciprocating sliding of the rack drives the cleaning plate to slide back and forth on the surface of the photovoltaic panel for cleaning, which effectively improves the cleaning efficiency and also reduces the labor intensity of manual reciprocating cleaning by the staff.

[0017] Furthermore, one end of the rack away from the telescopic rod is fixedly connected to a second rotating shaft, the second rotating shaft is arranged along the travel direction of the rack, the free end of the second rotating shaft is rotatably connected to a cleaning plate, and a rotation limiting mechanism is also provided between the second rotating shaft and the cleaning plate, the arc-shaped limiting groove is provided on the side wall of the cleaning plate, and the limiting block is installed on the second rotating shaft and is perpendicular to its axis.

[0018] The above-mentioned arrangement allows the cleaning plate to rotate in the horizontal direction relative to the second rotating axis, which can greatly meet the cleaning needs of mountain photovoltaic panels with various installation angles relative to the horizontal plane, so that the cleaning plate is parallel to the surface of the photovoltaic panel, ensuring the cleaning effect; at the same time, the rotation limit mechanism between the cleaning plate and the second rotating axis is to prevent the cleaning plate from rotating excessively and affecting the cleaning efficiency.

[0019] Furthermore, a wiper structure is provided on the outer side of the cleaning plate, the wiper structure is a rectangular rubber ring, and the plane where the top of the high-pressure nozzle is located is lower than the outermost end surface of the rectangular rubber ring close to the photovoltaic panel.

[0020] The above arrangement enables the high-pressure nozzle to be located in the space surrounded by the rectangular rubber ring and the cleaning plate. When cleaning the photovoltaic panel, the cleaning plate can be placed directly on the photovoltaic panel through the rectangular rubber ring, so that the staff can save a certain amount of physical strength. At this time, the high-pressure nozzle is still at a certain distance from the surface of the photovoltaic panel, which will not affect the water jetting and cleaning effect. The rectangular rubber ring can scrape off the water on the surface of the photovoltaic panel in time and remove more stubborn stains.

[0021] Furthermore, a visual probe is installed on the side of the rectangular rubber ring, the lens of the visual probe faces the photovoltaic panel, a display screen is installed on the rod body at the end of the telescopic rod, and the visual probe is connected to the display screen through a wire.

[0022] Through the coordination of visual probes and display screens, workers can stand directly on the ground to visually clean photovoltaic panels that are higher than their height, effectively ensuring cleaning efficiency and cleanliness, and reducing the labor intensity and safety risks of workers working in the mountains.

[0023] Furthermore, hand-held rods are provided on both sides of the bottom rod body of the telescopic rod, and a control switch for controlling the driving motor is installed on the hand-held rods.

[0024] The control switch is arranged on the hand-held pole so that the worker can simply and quickly press the control switch while holding the hand-held pole.

[0025] Furthermore, one end of the high-pressure water supply pipe is connected to a water volume control valve, the water volume control valve is connected to a tap water supply pipe, and the other end of the tap water supply pipe is connected to a water tank or a water truck.

[0026] The water volume control valve allows staff to adjust the amount of flushing water according to the degree of dirt on the surface of the photovoltaic panels, saving water resources while ensuring cleanliness. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 The structure of the embodiment of the utility model is shown in FIG. Figure 1 .

[0028] Figure 2 The structure of the embodiment of the utility model is shown in FIG. Figure 2 (Remove the protective cover).

[0029] Figure 3 for Figure 2 Bottom right perspective bottom view.

[0030] Figure 4 It is a partial cross-sectional view of the rotation limiting structure between the cleaning plate and the second rotating shaft.

[0031] Figure 5 It is a partial cross-sectional view of the rotation limiting structure between the supporting mechanism and the reciprocating cleaning mechanism.

[0032] Figure 6 for Figure 3 A partial enlarged view of part A. DETAILED DESCRIPTION

[0033] The following is further described in detail through specific implementation methods:

[0034] The figure marks in the drawings of the specification include: supporting mechanism 1, reciprocating cleaning mechanism 2, supporting plate 21, driving motor 22, gear 23, rack 24, slider 25, slide groove 26, second rotating shaft 27, cleaning plate 28, rectangular rubber ring 29, rotation adjustment mechanism 3, U-shaped connecting piece 31, connecting hole 32, first rotating shaft 33, rotation limiting mechanism 4, limiting block 41, limiting groove 42, high-pressure nozzle 5, high-pressure water supply pipe 6, control switch 7, visual probe 8, display screen 9, protective shell 10, hand-held rod 11.

[0035] The embodiment is basically as shown in the attached Figure 1-6 As shown: a cleaning device for solar photovoltaic panels, comprising a support mechanism 1 and a reciprocating cleaning mechanism 2, wherein a rotation adjustment mechanism 3 is provided at the end connection of the two, and the support mechanism 1 and the reciprocating cleaning mechanism 2 are rotatably connected through the rotation adjustment mechanism 3. The support mechanism 1 is a telescopic rod, which is a prior art and will not be described in detail here, and the support mechanism 1 is provided with a hand-held rod 11 at the bottom of the rod body for easy grasping by the staff.

[0036] like Figure 1-Figure 3 As shown in combination, the reciprocating cleaning mechanism 2 includes a support plate 21 and a reciprocating drive structure installed on the support plate 21 and a cleaning plate 28 connected to the reciprocating drive structure. The reciprocating drive structure includes a drive motor 22 and a meshing unit. The drive motor 22 is a forward and reverse motor. The meshing unit includes a gear 23 fixed to the end of the output shaft of the drive motor 22 and a rack 24 slidably connected to the support plate 21. A slider 25 is installed at the bottom of the rack 24, and a slide groove 26 for the slider 25 to slide is opened on the support plate 21. In this way, the drive motor 22 is used to drive the cleaning plate 28 to move back and forth to clean the photovoltaic panels, thereby reducing the labor intensity of manual reciprocating pushing and pulling by the staff; in order to protect the reciprocating drive structure, a protective shell 10 is installed on the support plate 21.

[0037] like Figure 2 As shown, the rotation adjustment mechanism 3 includes a U-shaped connector 31 and a first rotating shaft 33. The U-shaped connector 31 is fixed to the top of the telescopic rod by welding. Both ends of the open side of the U-shaped connector 31 are provided with connecting holes 32. The first rotating shaft 33 is located in the connecting hole 32 and is rotationally connected to the U-shaped connector 31. One end of the support plate 21 is fixed on the first rotating shaft 33, so that the reciprocating cleaning structure can be rotated with the X-axis shown in the figure as the rotating axis through the rotating shaft to ensure that the reciprocating cleaning mechanism 2 is always parallel to the surface of the photovoltaic panel as a whole when in working state, and the travel direction of the rack 24 is always parallel to the surface of the photovoltaic panel to ensure the best cleaning effect.

[0038] like Figure 5In order to prevent the reciprocating cleaning mechanism 2 from rotating excessively and affecting the cleaning operation of the staff, a rotation limit mechanism 4 is also provided between the support mechanism 1 and the reciprocating cleaning mechanism 2. The rotation limit mechanism 4 includes a limit block 41 and an arc-shaped limit groove 42. The arc-shaped limit groove 42 is provided at both ends of the U-shaped connecting piece 31 and the arc-shaped limit groove 42 is connected to the connecting hole 32. The arc-shaped limit groove 42 is located above the central axis with the central axis of the two connecting holes 32 as the reference, and the arc of the arc-shaped limit groove 42 is a quarter circle. The limit block 41 is installed on the first rotating shaft 33 and is perpendicular to the axis of the first rotating shaft 33. The limit block 41 rotates in the arc-shaped limit groove 42. Through the above arrangement, the rotation range of the reciprocating cleaning mechanism 2 is limited to the YOZ plane where the positive directions of the Y axis and the Z axis are located as shown in the figure.

[0039] like Figure 4 As shown, in order to ensure the cleaning effect, the cleaning plate 28 and the reciprocating drive structure are rotationally connected, wherein the end of the rack 24 away from the telescopic rod is fixedly connected to the second rotating shaft 27, and the free end of the second rotating shaft 27 is rotationally connected to the cleaning plate 28. A rotation limiting mechanism 4 is also provided between the second rotating shaft 27 and the cleaning plate 28. The limiting block 41 of the rotation limiting mechanism 4 is perpendicular to the axis of the second rotating shaft 27 and is symmetrically installed on the second rotating shaft 27. The arc-shaped limiting groove 42 is provided on the side wall of the cleaning plate 28 and is symmetrically installed according to the position of the limiting block 41. The arcs of the two arc-shaped limiting grooves 42 are both half a circle, and the two arc-shaped limiting grooves 42 are not connected. In this way, the cleaning plate 28 can rotate around the second rotating shaft 27 in the XOY plane shown in the figure, and comprehensive cleaning is achieved for the photovoltaic panels with different installation heights on the left and right, thereby ensuring the cleaning effect.

[0040] like Figure 3 , Figure 6 As shown in the figure, a plurality of high-pressure nozzles 5 are evenly installed on the side of the cleaning plate 28 facing the photovoltaic panel, and a wiper structure is arranged on the outer cover of the cleaning plate 28, and the wiper structure is a rectangular rubber ring 29. The plane where the top of the high-pressure nozzle 5 is located is lower than the outermost end surface of the rectangular rubber ring 29 close to the photovoltaic panel. A high-pressure water supply pipe 6 is connected to the inside of the cleaning plate 28, and one end of the high-pressure water supply pipe 6 is connected to a water volume control valve, and a tap water supply pipe is connected to the water volume control valve, and the other end of the tap water supply pipe is connected to a water tank or a water truck.

[0041] like Figure 1 , Figure 6As shown in the figure, in order to increase the cleaning effect and reduce the cleaning difficulty, a visual probe 8 is installed on the side of the rectangular rubber ring 29, and the lens of the visual probe 8 faces the photovoltaic panel. A display screen 9 is installed on the rod body at the bottom of the telescopic rod. The visual probe 8 and the display screen 9 are connected by a wire. The visual probe 8 and the display screen 9 are existing technologies, such as detection equipment for seabed detection. The visual probe 8 is waterproof; through the cooperation of the visual probe 8 and the display screen 9, the staff can directly stand on the surface to perform visual cleaning of the photovoltaic panels that are higher than their height, effectively ensuring the cleaning efficiency and cleanliness.

[0042] like Figure 1 As shown, a control switch 7 for controlling the driving motor 22 is installed on the hand-held rod 11 , so that the staff can simply and quickly press the control switch 7 while grasping the hand-held rod 11 .

[0043] The specific implementation process is as follows:

[0044] In specific application, the staff first extends the support mechanism 1 according to the height of the photovoltaic panel to be cleaned, places the reciprocating cleaning mechanism 2 on the photovoltaic panel, and the first rotating shaft 33 of the rotating adjustment mechanism 3 rotates according to the inclination angle of the photovoltaic panel so that the rack 24 or the support plate 21 is parallel to the surface of the photovoltaic panel, and the cleaning plate 28 also rotates around the second rotating shaft 27 according to the surface inclination angle of the photovoltaic panel so that it is parallel to the surface of the photovoltaic panel; after the reciprocating cleaning mechanism 2 is correctly placed, the staff presses the control switch 7 to start the driving motor 22, and the driving motor 22 drives the cleaning plate 28 to reciprocate through the meshing of the gear 23 and the rack 24, and at the same time opens the water volume control valve to allow water to enter the cleaning plate 28 through the tap water supply pipe and the high-pressure water supply pipe 6, and is sprayed on the surface of the photovoltaic panel by the high-pressure nozzle 5 to achieve reciprocating cleaning; the staff judges whether the cleaning is clean through the picture sent back by the visual probe 8, and does not need to personally check the surface of the photovoltaic panel, which effectively reduces the labor intensity of the staff and improves the cleaning efficiency.

[0045] The above is only an embodiment of the utility model, and the common knowledge such as the known specific technical solutions and / or characteristics in the solution is not described in detail here. It should be pointed out that for those skilled in the art, without departing from the technical solution of the utility model, several deformations and improvements can be made, which should also be regarded as the protection scope of the utility model, and these will not affect the effect of the implementation of the utility model and the practicality of the patent. The scope of protection required by this application shall be based on the content of its claims, and the specific implementation methods and other records in the specification can be used to interpret the content of the claims.

Claims

1. A cleaning device for solar photovoltaic panels, characterized in that: It includes a supporting mechanism and a reciprocating cleaning mechanism, and a rotating adjustment mechanism and a rotating limiting mechanism are provided at the end connection of the two. The rotating adjustment mechanism is used to realize the rotation of the reciprocating cleaning mechanism in the vertical direction, and the rotating limiting mechanism is used to limit the rotation range of the reciprocating mechanism; the supporting mechanism is a telescopic rod, and the reciprocating cleaning mechanism includes a supporting plate and a reciprocating driving structure arranged on the supporting plate, and the end of the reciprocating driving structure is rotatably connected to an internally hollow cleaning plate, and a plurality of high-pressure nozzles are evenly installed on one side of the cleaning plate, and a high-pressure water supply pipe is connected to the inside of the cleaning plate.

2. A cleaning device for solar photovoltaic panels according to claim 1, characterized in that: The rotation adjustment mechanism includes a U-shaped connector and a first rotating shaft, which are rotationally connected. The U-shaped connector is connected to the top of the telescopic rod. Both ends of the U-shaped connector are provided with connecting holes, and the first rotating shaft is rotatably installed in the connecting holes.

3. A cleaning device for solar photovoltaic panels according to claim 2, characterized in that: The rotation limiting mechanism comprises a limiting block and an arc-shaped limiting groove, wherein the arc-shaped limiting groove is arranged on the U-shaped connecting piece and communicated with the connecting hole, and the limiting block is installed on the rotating shaft and rotates in the arc-shaped limiting groove.

4. A cleaning device for solar photovoltaic panels according to claim 3, characterized in that: The support plate is fixedly connected to the first rotating shaft.

5. A cleaning device for solar photovoltaic panels according to claim 4, characterized in that: The reciprocating driving structure comprises a driving motor and an engaging unit, wherein the engaging unit comprises a gear mounted on the end of an output shaft of the driving motor and a rack slidably connected to a supporting plate.

6. A cleaning device for solar photovoltaic panels according to claim 5, characterized in that: One end of the rack away from the telescopic rod is fixedly connected to a second rotating shaft, the second rotating shaft is arranged along the travel direction of the rack, the free end of the second rotating shaft is rotatably connected to a cleaning plate, and a rotation limiting mechanism is also provided between the second rotating shaft and the cleaning plate, the arc-shaped limiting groove is provided on the side wall of the cleaning plate, and the limiting block is installed on the second rotating shaft and is perpendicular to its axis.

7. A cleaning device for solar photovoltaic panels according to claim 6, characterized in that: The outer side of the cleaning plate is sleeved with a scraper structure, which is a rectangular rubber ring. The plane where the top of the high-pressure nozzle is located is lower than the outermost end surface of the rectangular rubber ring close to the photovoltaic panel.

8. A cleaning device for solar photovoltaic panels according to claim 7, characterized in that: A visual probe is installed on the side of the rectangular rubber ring, the lens of the visual probe faces the photovoltaic panel, a display screen is installed on the rod body at the end of the telescopic rod, and the visual probe is connected to the display screen through a wire.

9. A cleaning device for solar photovoltaic panels according to claim 8, characterized in that: Hand-held rods are arranged on both sides of the bottom rod body of the telescopic rod, and a control switch for controlling the driving motor is installed on the hand-held rod.

10. A cleaning device for solar photovoltaic panels according to claim 1, characterized in that: One end of the high-pressure water supply pipe is connected to a water volume control valve, the water volume control valve is connected to a tap water supply pipe, and the other end of the tap water supply pipe is connected to a water tank or a water truck.

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