Cleaning device for photovoltaic module
By designing a mobile photovoltaic module cleaning device, the problem that existing devices cannot adapt to multiple modules and specifications is solved, achieving efficient and comprehensive cleaning results.
Patent Information
- Application Number
- CN202423088412.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-14
- Publication Date
- 2026-01-06
- Estimated Expiration
- 2034-12-14
AI Technical Summary
Existing photovoltaic module cleaning devices cannot move between multiple modules, cannot adapt to various width specifications, and are incomplete in cleaning, resulting in low efficiency.
The design includes a cleaning device consisting of two symmetrically arranged movable boxes connected by a telescopic tube, equipped with spray booms and nozzles. The distance can be adjusted via the telescopic tube, the number of spray booms is adjustable, and the direction of the nozzles is controllable, achieving comprehensive cleaning.
It enables movement between multiple photovoltaic modules, adapts to different width specifications, ensures thorough cleaning, and improves cleaning efficiency and effectiveness.
Smart Images

Figure CN223772001U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to a cleaning device for photovoltaic modules, belonging to the field of photovoltaic module cleaning technology. Background Technology
[0002] To ensure the power generation of photovoltaic panels, cleaning equipment is needed to clean the photovoltaic modules, ensuring the cleanliness of the module surface. This helps to absorb as much sunlight as possible, thereby increasing power generation.
[0003] Currently, based on practical experience, the cleaning devices for photovoltaic modules still have the following technical problems:
[0004] 1. Cleaning devices are usually installed on a single photovoltaic module and cannot be moved between multiple photovoltaic modules, which reduces the cleaning efficiency of the photovoltaic modules;
[0005] 2. Photovoltaic modules come in various widths, and existing cleaning devices are not suitable for cleaning photovoltaic modules of various widths.
[0006] 3. The cleaning device cannot fully cover the photovoltaic modules during the cleaning process, which can easily lead to incomplete cleaning of some areas of the photovoltaic modules and reduce the power generation of the photovoltaic modules.
[0007] In conclusion, the existing technology obviously has inconveniences and defects in practical use, so it is necessary to improve it. Utility Model Content
[0008] This invention addresses the shortcomings of the prior art by providing a cleaning device for photovoltaic modules. It is applicable to the cleaning of photovoltaic modules of various widths and specifications. The cleaning process can be carried out by moving between multiple photovoltaic modules, which not only improves cleaning efficiency but also ensures thorough cleaning.
[0009] To solve the above technical problems, the present invention adopts the following technical solution:
[0010] A cleaning device for photovoltaic modules includes two symmetrically arranged movable boxes connected by two telescopic pipes arranged side by side; a multi-section spray bar connected end to end is installed between the two movable boxes.
[0011] The mobile box is equipped with a drive chamber and a water storage chamber. A spray pump is installed inside the water storage chamber. The output end of the spray pump is connected to a connecting pipe. The connecting pipe passes through the drive chamber and is connected to the spray bar.
[0012] The spray bar includes a spray bar body, one end of which is provided with an internal threaded connection part and the other end is provided with an external threaded connection part. On the side of the spray bar near the photovoltaic panel, there are multiple alternating first nozzles and second nozzles, and the included angle between the axis of the first nozzle and the axis of the second nozzle is 90°.
[0013] Furthermore, a driving shaft and a driven shaft are rotatably mounted in parallel within the drive cavity. The driving shaft and the driven shaft are connected by the same belt drive, and the driving shaft is connected to the motor.
[0014] Furthermore, both the drive shaft and the driven shaft are equipped with wheels on their outer ends, and the wheels are located outside the moving box.
[0015] Furthermore, guide wheels are installed on the bottom of the mobile box near the walking wheels.
[0016] Furthermore, the centerline of the guide wheel is set perpendicularly to the centerline of the traveling wheel.
[0017] Furthermore, the telescopic tube includes an outer tube, and inner tubes that are slidably connected to each other are respectively inserted into both ends of the outer tube.
[0018] Furthermore, the opposite outer ends of the two inner tubes are fixedly connected to the movable box.
[0019] Furthermore, an electric telescopic rod is installed between the opposing inner ends of the two inner tubes.
[0020] Furthermore, the main body of the electric telescopic pole is fixedly connected to the inner wall of the outer tube.
[0021] Furthermore, the internal threaded connection and the external threaded connection are coaxially arranged with the main body of the spray bar.
[0022] Compared with the prior art, the present invention, by adopting the above technical solution, has the following advantages:
[0023] The two movable boxes in this invention can move along the edge of the photovoltaic panel, facilitating movement between multiple photovoltaic modules. The distance between the two movable boxes can be adjusted via a telescopic tube, making it suitable for photovoltaic panels of different widths. The multi-section spray bar in this invention can be connected end to end, allowing for the selection of an appropriate number of spray bars based on the distance between the two movable boxes. During the movement of the movable boxes, a spray pump delivers cleaning water to the spray bar, which is then sprayed onto the surface of the photovoltaic panel through nozzles in both the front and rear directions of the spray bar, thoroughly cleaning it.
[0024] The present invention will now be described in detail with reference to the accompanying drawings and embodiments. Attached Figure Description
[0025] Figure 1 This is a structural front view of the present invention;
[0026] Figure 2 This is a top view of the structure of this utility model;
[0027] Figure 3 This is a schematic diagram of the internal structure of the mobile box;
[0028] Figure 4 This is a schematic diagram of the internal structure of the telescopic tube;
[0029] Figure 5 This is a schematic diagram of the spray bar structure.
[0030] In the diagram, 1-moving box, 11-drive chamber, 12-water storage chamber, 13-drive shaft, 14-driven shaft, 15-motor, 16-walking wheel, 17-guide wheel, 18-spray pump, 19-connecting pipe; 2-telescopic pipe, 21-outer pipe, 22-inner pipe, 23-electric telescopic rod; 3-spray bar, 31-spray bar body, 32-internal threaded connection, 33-external threaded connection, 34-first nozzle, 35-second nozzle. Detailed Implementation
[0031] To provide a clearer understanding of the technical features, objectives, and effects of this utility model, the specific embodiments of this utility model are now described with reference to the accompanying drawings.
[0032] like Figures 1-5 As shown in the figure, this utility model provides a cleaning device for photovoltaic modules, including two symmetrically arranged movable boxes 1. The movable boxes 1 can move along the edge of the photovoltaic panel. The two movable boxes 1 are connected by two telescopic pipes 2 arranged side by side. The distance between the two movable boxes 1 can be adjusted by the telescopic pipes 2.
[0033] A multi-section spray bar 3 connected end to end is installed between the two mobile boxes 1. The overall length of the multi-section spray bar 3 can be adjusted according to the distance between the two mobile boxes 1.
[0034] The mobile box 1 is provided with a drive chamber 11 and a water storage chamber 12. A drive shaft 13 and a driven shaft 14 are rotatably installed in the drive chamber 11. The drive shaft 13 and the driven shaft 14 are connected by the same belt drive. The drive shaft 13 is connected to the motor 15. A traveling wheel 16 is installed on the outer end of both the drive shaft 13 and the driven shaft 14. The traveling wheel 16 is located outside the mobile box 1.
[0035] A guide wheel 17 is installed on the bottom of the mobile box 1 near the walking wheel 16, and the center line of the guide wheel 17 is perpendicular to the center line of the walking wheel 16.
[0036] The water storage chamber 12 is equipped with a spray pump 18. The output end of the spray pump 18 is connected to the connecting pipe 19. The connecting pipe 19 passes through the drive chamber 11 and is connected to the spray bar 3. The spray pump 18 pumps the cleaning water into the spray bar 3.
[0037] The telescopic tube 2 includes an outer tube 21, with inner tubes 22 slidably connected to each of the two ends of the outer tube 21. The outer ends of the two inner tubes 22 are fixedly connected to the movable box 1. An electric telescopic rod 23 is installed between the inner ends of the two inner tubes 22. The middle part of the main body of the electric telescopic rod 23 is fixedly connected to the inner wall of the outer tube 21. The electric telescopic rod 23 provides power for the extension and retraction of the telescopic tube 2.
[0038] The spray bar 3 includes a spray bar body 31. One end of the spray bar body 31 is provided with an internal threaded connection part 32, and the other end is provided with an external threaded connection part 33. The internal threaded connection part 32 and the external threaded connection part 33 are coaxially arranged with the spray bar body 31.
[0039] The internal threaded connection part 32 of one section of the spray bar 3 can be threadedly connected to the external threaded connection part 33 of another section of the spray bar 3, so as to realize the end-to-end connection of multiple sections of the spray bar 3, which makes it easy to select the number of spray bars 3 to be assembled as needed.
[0040] The spray bar 3 has multiple alternating first nozzles 34 and second nozzles 35 on the side closest to the photovoltaic panel, with the angle between the axis of the first nozzle 34 and the axis of the second nozzle 35 being 90°. By setting nozzles in both the front and rear directions of the spray bar 3, the overall spray area is large and uniform, achieving comprehensive cleaning of the photovoltaic panel surface.
[0041] The specific working principle of this utility model is as follows:
[0042] The two movable boxes 1 in this invention can move along the edge of the photovoltaic panel. The distance between the two movable boxes 1 can be adjusted by the telescopic tube 2 to accommodate photovoltaic panels of different widths. The multi-section spray bar 3 in this invention can be connected end to end, making it easy to select the appropriate number of spray bars 3 according to the distance between the two movable boxes 1. During the movement of the movable box 1, the spray pump 18 pumps cleaning water into the spray bar 3, which is then sprayed onto the surface of the photovoltaic panel through the nozzles in the front and rear directions of the spray bar 3 to thoroughly clean it.
[0043] The above description provides examples of the preferred embodiments of this utility model. Any aspects not detailed herein are common knowledge to those skilled in the art. The scope of protection of this utility model is determined by the claims. Any equivalent modifications based on the technical teachings of this utility model are also within the scope of protection of this utility model.
Claims
1. A cleaning device for a photovoltaic module, characterized by: The two mobile boxes (1) are connected by two telescopic pipes (2) arranged side by side, and a plurality of spray rods (3) connected end to end are arranged between the two mobile boxes (1); The mobile box (1) is internally provided with a driving cavity (11) and a water storage cavity (12), the water storage cavity (12) is internally provided with a spray pump (18), the output end of the spray pump (18) is connected with a communication pipe (19), and the communication pipe (19) is connected with the spray rod (3) after penetrating through the driving cavity (11); The spray rod (3) comprises a spray rod body (31), one end of the spray rod body (31) is provided with an internal thread connecting portion (32), the other end is provided with an external thread connecting portion (33), and a plurality of first spray heads (34) and second spray heads (35) are alternately arranged on the side of the spray rod (3) close to the photovoltaic panel, and the included angle between the axis of the first spray head (34) and the axis of the second spray head (35) is 90°.
2. A cleaning device for a photovoltaic module as claimed in claim 1, characterized in that: The driving cavity (11) is internally provided with a driving shaft (13) and a driven shaft (14) arranged in parallel, the driving shaft (13) and the driven shaft (14) are connected by the same belt transmission, and the driving shaft (13) is connected with a motor (15).
3. A cleaning device for a photovoltaic module as claimed in claim 2, characterized in that: The outer ends of the driving shaft (13) and the driven shaft (14) are both provided with a walking wheel (16), and the walking wheel (16) is located outside the mobile box (1).
4. A cleaning device for a photovoltaic module as claimed in claim 3, characterized in that: The bottom of the mobile box (1) is provided with a guide wheel (17) on the side close to the walking wheel (16).
5. A cleaning device for a photovoltaic module as claimed in claim 4, characterized in that: The center line of the guide wheel (17) is perpendicular to the center line of the walking wheel (16).
6. A cleaning device for a photovoltaic module as defined in claim 1, wherein: The telescopic pipe (2) comprises an outer pipe (21), and the two ends of the outer pipe (21) are respectively provided with an inner pipe (22) in sliding connection with the outer pipe (21).
7. A cleaning device for a photovoltaic module as claimed in claim 6, characterized in that: The opposite outer ends of the two inner pipes (22) are fixedly connected with the mobile box (1).
8. A cleaning device for a photovoltaic module as claimed in claim 7, characterized in that: An electric telescopic rod (23) is arranged between the opposite inner ends of the two inner pipes (22).
9. A cleaning device for a photovoltaic module as claimed in claim 8, characterized in that: The main body of the electric telescopic rod (23) is fixedly connected with the inner wall of the outer pipe (21).
10. A cleaning device for a photovoltaic module as defined in claim 1, wherein: The internal thread connecting portion (32) and the external thread connecting portion (33) are coaxially arranged with the spray rod body (31).