Photovoltaic panel cleaning robot

By designing a support frame, cleaning roller brush, side wheel assembly, and air supply mechanism, the problems of unstable walking and poor cleaning effect of photovoltaic panel cleaning robots under conditions of end difference and misalignment were solved, achieving stable walking and efficient cleaning.

CN224037323UActive Publication Date: 2026-03-24CHENGDU UNIVERSITY OF TECHNOLOGY
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-28
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

Existing photovoltaic panel cleaning robots are unstable when walking in situations where there is misalignment or end difference between photovoltaic panels. They are prone to tilting, hanging in the air, or getting their wheels stuck, and their cleaning effect is poor.

Method used

A photovoltaic panel cleaning robot was designed, which adopts a support frame, cleaning roller brush, side wheel group and surface wheel group, combined with position adjustment mechanism and air supply mechanism, so as to adapt to the end difference and misalignment of photovoltaic panels, ensuring that the robot walks stably and cleans effectively.

Benefits of technology

It enables stable movement and efficient cleaning under conditions of end difference and misalignment between photovoltaic panels, improving the robot's obstacle-crossing ability and scope of use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a photovoltaic panel cleaning robot which comprises a supporting frame, a cleaning rolling brush, two side edge wheel sets and a plurality of surface wheel sets. The cleaning rolling brush penetrates through the supporting frame and is driven by a power driving unit fixed to the supporting frame. A plurality of connecting beams are arranged on the supporting frame, and a surface wheel set is arranged at the bottom end of each connecting beam. The two side edge wheel sets are arranged at the two ends of the supporting frame correspondingly and used for achieving clamping connection of the photovoltaic panel cleaning robot and a photovoltaic panel, the side edge wheel sets are fixed to the connecting beams through position adjusting mechanisms, and the position adjusting mechanisms can drive the side edge wheel sets to conduct position adjustment in the direction perpendicular to the advancing direction of the photovoltaic panel cleaning robot; when the photovoltaic panel cleaning robot passes through photovoltaic panels with end differences, the position adjusting mechanism can drive the side wheel sets to conduct position adjustment so that the side wheel sets can be smoothly clamped to the two ends of the photovoltaic panels with different heights.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to photovoltaic panel cleaning equipment technical field especially relates to a photovoltaic panel cleaning robot. BACKGROUND

[0002] The photovoltaic panel cleaning robot can walk on the surface of the photovoltaic panel while cleaning or washing the photovoltaic panel, and is widely used in the cleaning operation of the photovoltaic panel array in the photovoltaic power generation field due to convenient use and efficient operation. However, the existing photovoltaic panel cleaning robot is unstable in walking, which can easily cause the robot to be tilted, suspended or wheel stuck, and the unstable cleaning effect is also greatly reduced.

[0003] Most of the existing robots on the market adopt wheel or track type moving mechanism, and clean the photovoltaic panel by brushing, water spraying and other methods. Some robots also have intelligent functions such as autonomous navigation and remote monitoring. However, the cleaning robot can only be used under the condition that the ground is flat and the photovoltaic panels are placed closely and aligned. At present, there is no cleaning robot that can be used to cross the end difference between adjacent photovoltaic panels in special cases such as misalignment between photovoltaic panels. SUMMARY

[0004] The utility model discloses a photovoltaic panel cleaning robot, through the structure setting of the photovoltaic panel cleaning robot of the utility model, make the photovoltaic panel cleaning robot of the utility model can use under the condition that the end difference between adjacent photovoltaic panels appears.

[0005] The utility model discloses a photovoltaic panel cleaning robot, through the structure setting of the photovoltaic panel cleaning robot of the utility model, make the photovoltaic panel cleaning robot of the utility model can use under the condition that the end difference between adjacent photovoltaic panels appears.

[0006] A photovoltaic panel cleaning robot, the photovoltaic panel cleaning robot comprises: a support frame, a cleaning roller brush, two groups of side edge wheel groups and a plurality of surface wheel groups;

[0007] The cleaning roller brush is arranged through the support frame, and the cleaning roller brush is driven by a power driving unit fixed on the support frame, so that the cleaning roller brush can rotate and work, and the axial extension direction of the cleaning roller brush is perpendicular to the designed forward direction of the photovoltaic panel cleaning robot;

[0008] A plurality of connecting beams are arranged on the support frame, and each connecting beam is provided with a group of surface wheel groups at the bottom end, including a driven wheel and a driving wheel, and a hub motor is arranged in the driving wheel;

[0009] The two groups of side edge wheel groups are arranged at the two ends of the support frame respectively, and are used for realizing the clamping connection between the photovoltaic panel cleaning robot and the photovoltaic panel, the side edge wheel groups are fixed through a position adjusting mechanism and the connecting beam, and the position adjusting mechanism can drive the side edge wheel groups to adjust the position perpendicular to the forward direction of the photovoltaic panel cleaning robot;

[0010] When the photovoltaic panel cleaning robot passes through the photovoltaic panel with end difference, the position adjusting mechanism can drive the side wheel group to adjust the position, so that the side wheel group can be smoothly clamped at both ends of the photovoltaic panel with different heights.

[0011] According to a preferred embodiment, the side wheel group comprises two side wheels fixed to both ends of the second connecting plate through the connecting rod; and the second connecting plate is connected with the position adjusting mechanism.

[0012] According to a preferred embodiment, the position adjusting mechanism comprises a motor, a guide rail, a sliding block, a lead screw, a moving block and a first connecting plate,

[0013] The motor is fixed to the connecting beam through a fixed plate, the rotating shaft of the motor is connected with the lead screw to drive the lead screw to rotate, and the extension direction of the lead screw is arranged in parallel with the axis of the cleaning roller brush;

[0014] The moving block is arranged on the lead screw and connected with the lead screw through a thread structure;

[0015] The bottom of the moving block is fixedly connected with the top surface of the first connecting plate, the top surface of the first connecting plate is also fixedly connected with a sliding block, and the fixed plate and the support frame are also provided with a guide rail, the guide rail is arranged in parallel with the lead screw, and the sliding block is sleeved on the guide rail;

[0016] The first connecting plate is fixedly connected with the second connecting plate.

[0017] According to a preferred embodiment, two guide rails are arranged between the fixed plate and the support frame in the position adjusting mechanism, and at least two sliding blocks are arranged on each guide rail.

[0018] According to a preferred embodiment, an air pipe is further arranged on the support frame, a blowing mechanism is arranged on the air pipe to blow air into the air pipe, the air pipe is arranged in parallel with the cleaning roller brush, a plurality of air outlets are arranged on the air pipe, the air outlets are arranged in the advancing direction of the photovoltaic panel cleaning robot and point to the contact position of the cleaning roller brush and the photovoltaic panel.

[0019] According to a preferred embodiment, the blowing mechanism arranged on the air pipe is a fan, and the air inlet of the fan is arranged in the opposite direction of the advancing direction of the photovoltaic panel cleaning robot.

[0020] According to a preferred embodiment, the diameters of the wheel bodies of the surface wheel group are greater than the distance difference between adjacent photovoltaic panels; the widths of the wheel bodies of the side wheel group are greater than the surface difference between adjacent photovoltaic panels; and the adjusting stroke of the position adjusting mechanism is greater than the end difference between adjacent photovoltaic panels.

[0021] According to a preferred embodiment, a flexible rubber layer is arranged on the surface of each wheel body of the surface wheel group.

[0022] According to a preferred embodiment, each wheel body surface of the side edge wheel set is provided with a flexible rubber layer.

[0023] According to a preferred embodiment, each surface of the support frame is provided with a hollow structure.

[0024] The foregoing main scheme of the utility model and each further selected scheme can be freely combined to form multiple schemes, all of which are the schemes that can be adopted and claimed by the utility model. Those skilled in the art can understand that there are multiple combinations according to the prior art and common knowledge after understanding the scheme of the utility model, all of which are the technical schemes claimed by the utility model, and are not listed exhaustively here.

[0025] The utility model has the beneficial effects that:

[0026] The photovoltaic panel cleaning robot disclosed in the application can not only clean the surface of a photovoltaic panel, but also be applicable to the case that the surface of the photovoltaic panel has a height difference, staggered arrangement and gaps, thereby improving the obstacle crossing ability and use range of the robot. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 is the overall structure schematic view of the photovoltaic panel cleaning robot of the utility model;

[0028] Figure 2 is the structure schematic view of the position adjusting mechanism in the photovoltaic panel cleaning robot of the utility model;

[0029] Figure 3 is the overhead structure schematic view of the photovoltaic panel cleaning robot of the utility model;

[0030] Figure 4 is the side view structure schematic view of the photovoltaic panel cleaning robot of the utility model;

[0031] Figure 5 is the working schematic view of the photovoltaic panel cleaning robot of the utility model;

[0032] Wherein, 1 is a support frame, 2 is a cleaning roller brush, 3 is a wind pipe, 4 is a fan, 5 is a wind outlet, 6 is a connecting beam, 7 is a driven wheel, 8 is a driving wheel, 9 is a motor, 10 is a fixed plate, 11 is a guide rail, 12 is a sliding block, 13 is a lead screw, 14 is a moving block, 15 is a first connecting plate, 16 is a second connecting plate, 17 is a side edge wheel, and 18 is a photovoltaic panel. DETAILED DESCRIPTION

[0033] The following embodiments and features together with advantages thereof will be best understood from the following detailed description of the embodiments given by way of example only, which is made merely for purposes of illustration and without any intention to limit the application. Other features, objects and advantages of the application will be apparent from the description of the embodiments and from the claims.

[0034] It should be noted that like reference numerals and letters refer to like items in the several views of the drawings, and as such, definitions and explanations of such items need not be repeated in the several views of the drawings.

[0035] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly placed when the product of the present application is used, and are merely for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third", and the like are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0036] In addition, the terms "horizontal", "vertical", "overhanging", and the like do not mean that the component must be absolutely horizontal or overhanging, but can be slightly inclined. For example, "horizontal" only means that its direction is more horizontal relative to "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0037] In the description of the present application, it should also be noted that, unless otherwise explicitly specified and limited, the terms "provided", "mounted", "connected", "connected" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be connected inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0038] In addition, the present application should point out that in the present application, if the specific structures, connection relationships, positional relationships, power source relationships, etc. are not specifically written, the structures, connection relationships, positional relationships, power source relationships, etc. involved in the present application are all known by those skilled in the art on the basis of the prior art, without the need for creative labor.

[0039] Embodiment 1

[0040] Reference Figures 1 to 5 As shown in the figure, a photovoltaic panel cleaning robot is shown, which comprises a support frame 1, a cleaning roller brush 2, an air pipe 3, two groups of side edge wheel sets and several surface wheel sets. Each functional unit is fixed on the support frame 1, the cleaning roller brush 2 is used to complete the surface cleaning of the photovoltaic panel 18; the air pipe 3 is used to realize the blowing of air to the cleaning place to realize the driving of dust; the side edge wheel set is clamped at the end of the photovoltaic panel 18 to avoid the falling of the robot; the surface wheel set is used to drive the robot to move on the photovoltaic panel 18 and provide sufficient friction to avoid the side slip of the robot during movement (the side edge wheel set is only used as an auxiliary mechanism to prevent falling).

[0041] Preferably, the cleaning roller brush 2 is arranged through the support frame 1, and the cleaning roller brush 2 is driven by a power driving unit fixed on the support frame 1, so that the cleaning roller brush 2 can rotate and work, and the axial extension direction of the cleaning roller brush 2 is perpendicular to the design forward direction of the photovoltaic panel cleaning robot. The power driving unit is not limited to be a driving motor.

[0042] Preferably, the support frame 1 is provided with several connecting beams 6, and each connecting beam 6 is provided at the bottom end with a set of surface wheel sets, including a driven wheel 7 and a driving wheel 8, the driving wheel 8 is provided with a hub motor 9 inside, and the hub motor 9 drives the driving wheel 8 to rotate.

[0043] Preferably, two groups of side edge wheel sets are arranged at both ends of the support frame 1, which are used to realize the clamping of the photovoltaic panel cleaning robot and the photovoltaic panel 18, and the side edge wheel set is fixed with the connecting beam 6 through a position adjusting mechanism, and the position adjusting mechanism can drive the side edge wheel set to adjust the position perpendicular to the forward direction of the photovoltaic panel cleaning robot. When the photovoltaic panel cleaning robot passes through the photovoltaic panel 18 with end difference, the position adjusting mechanism can drive the side edge wheel set to adjust the position, so that the side edge wheel set can be smoothly clamped at both ends of the photovoltaic panel 18 with different heights.

[0044] Preferably, the side edge wheel set comprises two side edge wheels 17, and the two side edge wheels 17 are fixed on both ends of the second connecting plate 16 through a connecting rod; the second connecting plate 16 is connected with the position adjusting mechanism.

[0045] Preferably, the position adjusting mechanism comprises a motor 9, a guide rail 11, a sliding block 12, a lead screw 13, a moving block 14 and a first connecting plate 15, the motor 9 is fixed on the connecting beam 6 through a fixed plate 10, the rotating shaft of the motor 9 is connected with the lead screw 13 to drive the rotation of the lead screw 13, the extension direction of the lead screw 13 is arranged in parallel with the axis of the cleaning roller brush 2; the moving block 14 is arranged on the lead screw 13 and connected with the lead screw 13 through a threaded structure; the bottom of the moving block 14 is fixedly connected with the top surface of the first connecting plate 15, the top surface of the first connecting plate 15 is also fixedly connected with the sliding block 12, the fixed plate 10 and the support frame 1 are also provided with the guide rail 11, the guide rail 11 is arranged in parallel with the lead screw 13, and the sliding block 12 is sleeved on the guide rail 11; and the first connecting plate 15 is fixedly connected with a second connecting plate 16.

[0046] Therefore, the position of the side wheel can be adjusted through the position adjusting mechanism to adapt to the end difference between adjacent photovoltaic panels 18. In a specific application scenario, an operator can control the motor 9 through a remote controller to control the position adjusting mechanism at a certain distance.

[0047] Preferably, two guide rails 11 are arranged between the fixed plate 10 and the support frame 1 in the position adjusting mechanism, and at least two sliding blocks 12 are arranged on each guide rail 11. The arrangement of multiple guide rails 11 and multiple sliding blocks 12 helps to improve the operation stability of the position adjusting mechanism.

[0048] Preferably, the air pipe 3 is arranged on the support frame 1. An air supply mechanism is arranged on the air pipe 3 to supply air to the air pipe 3, and the air pipe 3 is arranged in parallel with the cleaning roller brush 2. A plurality of air outlets 5 are arranged on the air pipe 3, the air outlets are arranged in the advancing direction of the photovoltaic panel cleaning robot and point to the contact position of the cleaning roller brush 2 and the photovoltaic panel 18. Therefore, the dust cleaned by the cleaning roller brush 2 is blown forward to avoid falling back to the photovoltaic panel 18 at the rear end which has been cleaned.

[0049] Further, the air supply mechanism arranged on the air pipe 3 is a fan 4, and the air inlet of the fan 4 is arranged opposite to the advancing direction of the photovoltaic panel cleaning robot. Therefore, the gas sucked by the fan 4 is relatively clean, avoiding secondary pollution of the photovoltaic panel 18.

[0050] Preferably, the surface wheel set has a wheel body diameter greater than the distance difference between adjacent photovoltaic panels 18, so that the wheel body of the surface wheel set can smoothly cross the distance difference between adjacent photovoltaic panels 18. The side wheel set has a wheel body width greater than the surface difference between adjacent photovoltaic panels 18, so that the wheel body of the side wheel set can be smoothly clamped onto the adjacent photovoltaic panels 18 with the surface difference. The adjustment stroke of the position adjustment mechanism is greater than the end difference between adjacent photovoltaic panels 18, so that the wheel body of the side wheel set can be smoothly clamped onto the adjacent photovoltaic panels 18 with the end difference.

[0051] Preferably, the surface wheel set has a wheel body diameter greater than the distance difference between adjacent photovoltaic panels 18, so that the wheel body of the surface wheel set can smoothly cross the distance difference between adjacent photovoltaic panels 18. The side wheel set has a wheel body width greater than the surface difference between adjacent photovoltaic panels 18, so that the wheel body of the side wheel set can be smoothly clamped onto the adjacent photovoltaic panels 18 with the surface difference. The adjustment stroke of the position adjustment mechanism is greater than the end difference between adjacent photovoltaic panels 18, so that the wheel body of the side wheel set can be smoothly clamped onto the adjacent photovoltaic panels 18 with the end difference.

[0052] Preferably, the surface wheel set has a wheel body diameter greater than the distance difference between adjacent photovoltaic panels 18, so that the wheel body of the surface wheel set can smoothly cross the distance difference between adjacent photovoltaic panels 18. The side wheel set has a wheel body width greater than the surface difference between adjacent photovoltaic panels 18, so that the wheel body of the side wheel set can be smoothly clamped onto the adjacent photovoltaic panels 18 with the surface difference. The adjustment stroke of the position adjustment mechanism is greater than the end difference between adjacent photovoltaic panels 18, so that the wheel body of the side wheel set can be smoothly clamped onto the adjacent photovoltaic panels 18 with the end difference.

[0053] Preferably, the support frame 1 has a hollow structure on each surface, thereby reducing the weight of the robot.

[0054] The application discloses a photovoltaic panel cleaning robot which can not only clean the surface of the photovoltaic panel, but also be applicable to the case that the robot crosses the height difference, the staggered front and back and the gap on the surface of the photovoltaic panel, thereby improving the obstacle crossing ability and the use range of the robot.

[0055] The above only describes the preferred embodiments of the present application and is not intended to limit the present application. Any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A photovoltaic panel cleaning robot, characterized in that, The photovoltaic panel cleaning robot comprises a support frame (1), a cleaning roller brush (2), two groups of side edge wheel sets and a plurality of surface wheel sets; The cleaning roller brush (2) is arranged through the support frame (1), and the cleaning roller brush (2) is driven by a power driving unit fixed on the support frame (1), so that the cleaning roller brush (2) can rotate and work, and the axial extension direction of the cleaning roller brush (2) is perpendicular to the design forward direction of the photovoltaic panel cleaning robot; A plurality of connecting beams (6) are arranged on the support frame (1), and each connecting beam (6) is provided at the bottom end with a surface wheel set, which comprises a driven wheel (7) and a driving wheel (8), and the driving wheel (8) is internally provided with a hub motor; Two groups of side edge wheel sets are arranged at the two ends of the support frame (1) respectively, and are used for realizing the clamping connection of the photovoltaic panel cleaning robot and the photovoltaic panel (18), the side edge wheel sets are fixed through a position adjusting mechanism and the connecting beam (6), and the position adjusting mechanism can drive the side edge wheel sets to be adjusted in position perpendicular to the forward direction of the photovoltaic panel cleaning robot; When the photovoltaic panel cleaning robot passes through the photovoltaic panel (18) with end difference, the position adjusting mechanism can drive the side edge wheel sets to be adjusted in position, so that the side edge wheel sets can be smoothly clamped at the two ends of the photovoltaic panel (18) with different heights.

2. The photovoltaic panel cleaning robot of claim 1, wherein, The side edge wheel set comprises two side edge wheels (17), and the two side edge wheels (17) are fixed on the two ends of a second connecting plate (16) through a connecting rod; the second connecting plate is connected with the position adjusting mechanism.

3. The photovoltaic panel cleaning robot of claim 2, wherein, The position adjusting mechanism comprises a motor (9), a guide rail (11), a sliding block (12), a lead screw (13), a moving block (14) and a first connecting plate (15), The motor (9) is fixed on the connecting beam (6) through a fixed plate (10), the rotating shaft of the motor (9) is connected with the lead screw (13) to drive the lead screw (13) to rotate, and the extension direction of the lead screw (13) is arranged in parallel with the axis of the cleaning roller brush (2); The lead screw (13) is provided with the moving block (14), and the moving block (14) is connected with the lead screw (13) through a threaded structure; The bottom of the moving block (14) is fixedly connected with the top surface of the first connecting plate (15), the top surface of the first connecting plate (15) is further fixedly connected with the sliding block (12), the fixed plate (10) and the support frame (1) are further provided with the guide rail (11), the guide rail (11) is arranged in parallel with the lead screw (13), and the sliding block (12) is sleeved on the guide rail (11); The first connecting plate (15) is fixedly connected with the second connecting plate (16).

4. The photovoltaic panel cleaning robot of claim 3, wherein, Two guide rails (11) are arranged between the fixed plate (10) and the support frame (1) in the position adjusting mechanism, and at least two sliding blocks (12) are arranged on each guide rail.

5. The photovoltaic panel cleaning robot of claim 1, wherein, The support frame (1) is further provided with an air pipe (3), the air pipe (3) is provided with a blowing mechanism for blowing air to the air pipe (3), and the air pipe (3) is arranged in parallel with the cleaning roller brush (2); A plurality of air outlets (5) are arranged on the air pipe (3), the air outlets (5) are directed towards the forward direction of the photovoltaic panel cleaning robot, and are directed to the contact position of the cleaning roller brush (2) and the photovoltaic panel (18).

6. The photovoltaic panel cleaning robot of claim 5, wherein, The air supply mechanism arranged on the air pipe (3) is a fan (4), and the air inlet of the fan (4) is arranged in a direction opposite to the advancing direction of the photovoltaic panel cleaning robot.

7. The photovoltaic panel cleaning robot of claim 1, wherein, The diameter of each wheel body of the surface wheel group is greater than the distance difference between adjacent photovoltaic panels; the width of each wheel body of the side wheel group is greater than the surface difference between adjacent photovoltaic panels; and the adjusting stroke of the position adjusting mechanism is greater than the end difference between adjacent photovoltaic panels.

8. The photovoltaic panel cleaning robot of claim 1, wherein, The surface of each wheel body of the surface wheel group is provided with a flexible rubber layer.

9. The photovoltaic panel cleaning robot of claim 1, wherein, The surface of each wheel body of the side wheel group is provided with a flexible rubber layer.

10. The photovoltaic panel cleaning robot of claim 1, wherein, Each surface of the support frame (1) is provided with a hollow structure.