Self-cleaning photovoltaic frame

By introducing servo motor-driven cleaning rods and sponge wipes into the photovoltaic frame, combined with water spraying technology of spray heads and atomization sheets, the automatic self-cleaning of photovoltaic components is achieved, solving the problem of automatic cleaning in the existing technology, and improving the Photoelectric conversion efficiency and convenience of use.

CN222339340UActive Publication Date: 2025-01-10SUQIAN RUNXIN OPTOELECTRONICS CO LTD
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Patent Information

Application Number
CN202420676648.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-03
Publication Date
2025-01-10
Estimated Expiration
2034-04-03

AI Technical Summary

Technical Problem

The frames of existing photovoltaic modules cannot be automatically cleaned, resulting in reduced photoelectric conversion efficiency, high maintenance costs, and affecting long-term use.

Method used

A self-cleaning photovoltaic frame is designed, and the cleaning rod is driven by a servo motor and the sponge is wiped for automatic cleaning. Water atomization is sprayed on the surface of the glass plate through the spray head and atomization sheet to improve cleaning efficiency.

Benefits of technology

It realizes automatic self-cleaning of photovoltaic modules, reduces maintenance costs, improves photoelectric conversion efficiency, is easy to operate and has high cleaning efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a self-cleaning photovoltaic frame, and relates to the technical field of photovoltaic modules. Comprising a frame body, a mounting base and a control system, a cross-shaped groove is formed in the surface of the frame body, an inclined groove is formed in the position, located on the inner side of the cross-shaped groove, of the inner wall of the frame body, a cleaning rod is fixedly connected to the outer wall of the mounting base, and the outer wall of the cleaning rod is slidably connected with the inner wall of the cross-shaped groove; and a sponge wiper is adhered to the bottom surface of the cleaning rod. When the photovoltaic frame is used, a servo motor is pushed to move upwards through an air cylinder, a cleaning rod can be pushed out of a cross-shaped groove, after a sponge wiper at the bottom of the cleaning rod can be attached to a photovoltaic glass plate, the servo motor is started to drive the cleaning rod to rotate, the sponge wiper at the bottom of the cleaning rod cleans the photovoltaic glass plate, and the automatic cleaning effect can be achieved; and after the mounting seat is detached from the rotating shaft, the cleaning rod and the sponge wiper are cleaned and nursed.
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Description

Technical Field

[0001] The utility model relates to the technical field of photovoltaic components, in particular to a self-cleaning photovoltaic frame. Background Art

[0002] With the continuous development of solar energy technology, photovoltaic modules are increasingly used in the field of power generation. Photovoltaic modules are a kind of photovoltaic power generation product that uses glass, EVA, backplane, and aluminum frame to encapsulate solar photovoltaic cells inside. The frame plays a role in sealing, fixing, increasing strength, and protecting installation. Since photovoltaic modules are exposed to outdoor environments for a long time, dust, dirt and other impurities tend to accumulate on their surfaces, affecting the photoelectric conversion efficiency of photovoltaic modules.

[0003] At present, most photovoltaic frames on the market only have basic fixing and protection functions, and cannot be automatically cleaned. They are single in functionality and still require manual cleaning of photovoltaic glass panels on a regular basis. The maintenance cost is high and is not conducive to long-term use. Therefore, how to automatically clean photovoltaic modules effectively and long-term to improve their photoelectric conversion efficiency is an urgent problem to be solved. Utility Model Content

[0004] The purpose of the utility model is to provide a self-cleaning photovoltaic frame, which solves the technical problems raised in the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a self-cleaning photovoltaic frame, comprising a frame body, a mounting seat and a control system, the surface of the frame body is provided with a cross-shaped groove, the inner wall of the frame body and the inner side of the cross-shaped groove is provided with an oblique groove, the outer wall of the mounting seat is fixedly connected to a cleaning rod, the outer wall of the cleaning rod is slidably connected to the inner wall of the cross-shaped groove, a sponge is bonded to the bottom surface of the cleaning rod, a circular hole is provided at the center position of the frame body, a sleeve is fixedly connected to the bottom surface of the frame body, the sleeve is located on the outside of the circular hole, a servo motor is slidably connected to the inner wall of the sleeve, the output end of the servo motor is fixedly connected to a rotating shaft, a connecting component is provided at the top of the rotating shaft, and a detachable connection is achieved between the rotating shaft and the mounting seat through the connecting component.

[0006] Preferably, the connecting assembly includes a limit block and a connecting cover, the connecting cover is sleeved on the rotating shaft, the bottom surface of the mounting seat is fixedly connected with a threaded column, the inner wall of the connecting cover is provided with a threaded groove, the connecting cover and the mounting seat are threadedly connected through the threaded column, the inner wall of the threaded column is provided with a limit hole, and the outer wall of the limit block is clamped with the inner wall of the limit hole.

[0007] Preferably, a support is fixedly connected to the bottom surface of the frame body and located outside the sleeve, a cylinder is fixedly connected to the outer wall of the support, and an output end of the cylinder passes through the support and is fixedly connected to the outer wall of the servo motor.

[0008] Preferably, a drain hole is provided on the inner wall of the frame body and located inside the cross-shaped groove, the drain hole is located outside the inclined groove, and the inclined groove is communicated with the drain hole.

[0009] Preferably, cylinders are provided at the four corners of the frame body, a nozzle is fixedly connected to the inner wall of the cylinder, and an atomizing sheet is provided at the outlet end of the nozzle.

[0010] Preferably, a water collecting box is fixedly connected to the bottom surface of the frame body, a flow guide tube is fixedly connected to the outlet end of the water collecting box, and one end of the flow guide tube away from the water collecting box is connected to the inlet end of the nozzle.

[0011] Compared with the related art, the self-cleaning photovoltaic frame provided by the utility model has the following beneficial effects:

[0012] 1. When the photovoltaic frame is self-cleaning, the cylinder pushes the servo motor upward to push the cleaning rod out of the cross groove so that the sponge at the bottom of the cleaning rod can fit with the photovoltaic glass panel. Then the servo motor drives the cleaning rod to rotate, and the sponge at the bottom of the cleaning rod cleans the photovoltaic glass panel to achieve a self-cleaning effect. It is easy to operate and has high cleaning efficiency. After cleaning a certain number of times, the mounting base can be removed from the rotating shaft to clean and maintain the cleaning rod and sponge.

[0013] 2. The utility model provides a self-cleaning photovoltaic frame. When cleaning the photovoltaic glass panel, the output end of the external water pumping equipment is connected to the inlet end of the water collecting box, and the external water source is transported to the nozzle through the guide pipe through the water collecting box, and atomized through the atomizing sheet on the nozzle, and finally sprayed on the surface of the photovoltaic glass panel to wet the photovoltaic glass panel, thereby fully improving the cleaning efficiency of the photovoltaic glass panel. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the structure of the cross groove of the utility model;

[0016] Figure 3 This is a schematic diagram of the structure of the sewage discharge hole of the utility model;

[0017] Figure 4 This is a structural schematic diagram of the support of the utility model;

[0018] Figure 5It is a partial structural cross-sectional view of the support of the utility model;

[0019] Figure 6 For the utility model Figure 5 A magnified view of the structure at center;

[0020] Figure 7 It is a schematic structural diagram of the cleaning rod of the utility model.

[0021] In the figure: 1. frame body; 2. cross-shaped groove; 3. inclined groove; 4. drainage hole; 5. round hole; 6. sleeve; 7. support; 8. cylinder; 9. servo motor; 10. mounting seat; 11. limit block; 12. connecting cover; 13. cleaning rod; 14. sponge; 15. cylinder; 16. nozzle; 17. atomizing sheet; 18. water collecting box; 19. guide tube. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0023] Embodiment 1:

[0024] See also Figure 1-Figure 7 The utility model provides a technical solution: a self-cleaning photovoltaic frame, including a frame body 1, a mounting seat 10 and a control system, a cross-shaped groove 2 is provided on the surface of the frame body 1, an inclined groove 3 is provided on the inner wall of the frame body 1 and located on the inner side of the cross-shaped groove 2, and a drainage hole 4 is provided on the inner wall of the frame body 1 and located on the inner side of the cross-shaped groove 2, the drainage hole 4 is located on the outer side of the inclined groove 3, and the inclined groove 3 is connected to the drainage hole 4, a cleaning rod 13 is fixedly connected to the outer wall of the mounting seat 10, the outer wall of the cleaning rod 13 is slidably connected to the inner wall of the cross-shaped groove 2, a sponge 14 is bonded to the bottom surface of the cleaning rod 13, a circular hole 5 is provided at the center position of the frame body 1, a sleeve 6 is fixedly connected to the bottom surface of the frame body 1, the sleeve 6 is located on the outer side of the circular hole 5, a servo motor 9 is slidably connected to the inner wall of the sleeve 6, the output end of the servo motor 9 is fixedly connected to a rotating shaft, and a connecting component is provided on the top of the rotating shaft, and a detachable connection is achieved between the rotating shaft and the mounting seat 10 through the connecting component;

[0025] The connecting assembly includes a limit block 11 and a connecting cover 12. The connecting cover 12 is sleeved on the rotating shaft. A threaded column is fixedly connected to the bottom surface of the mounting seat 10. A threaded groove is provided on the inner wall of the connecting cover 12. The connecting cover 12 is threadedly connected to the mounting seat 10 through the threaded column. A limit hole is provided on the inner wall of the threaded column. The outer wall of the limit block 11 is clamped with the inner wall of the limit hole. When the mounting seat 10 is connected to the rotating shaft, the limit block 11 is first inserted into the limit hole, and then the connecting cover 12 is tightened on the threaded column, so that the end of the connecting shaft is combined with the mounting seat 10 as a whole. When the connecting shaft is driven to rotate, the mounting seat 10 can drive the cleaning rod 13 on its outer side to rotate to achieve a cleaning action.

[0026] A support 7 is fixedly connected to the bottom surface of the frame body 1 and located on the outside of the sleeve 6. A cylinder 8 is fixedly connected to the outer wall of the support 7. The output end of the cylinder 8 passes through the support 7 and is fixedly connected to the outer wall of the servo motor 9. The support 7 provides installation conditions for the cylinder 8. By starting the cylinder 8, the servo motor 9 can be pushed up and down in the sleeve 6, and the cleaning rod 13 can be pushed out of the cross groove 2. When the servo motor 9 is started to drive the rotating shaft to rotate, the sponge 14 at the bottom of the cleaning rod 13 can clean the photovoltaic glass panel.

[0027] In this embodiment, before use, the mounting seat 10 is installed together with the rotating shaft. After the installation is completed, the mounting seat 10 is driven downward by the cylinder 8 to store the cleaning rod 13 in the cross-shaped groove 2. The cleaning rod 13 is protected by the main body of the frame body 1 to prevent the cleaning rod 13 from being damaged. When self-cleaning is performed, the cylinder 8 is started to push the servo motor 9 to move upward, and the cleaning rod 13 is pushed out of the cross-shaped groove 2, so that the sponge 14 at the bottom of the cleaning rod 13 can fit tightly with the photovoltaic glass panel. When the servo motor 9 is started, the servo motor 9 drives the rotating shaft to rotate, so that the sponge 14 at the bottom of the cleaning rod 13 completes the cleaning of the photovoltaic glass panel to achieve a self-cleaning effect. After cleaning a certain number of times, the mounting seat 10 is removed from the rotating shaft to clean and care for the sponge 14.

[0028] Embodiment 2:

[0029] See also Figure 1-Figure 7 As shown, on the basis of embodiment 1, the utility model provides a technical solution: a cylinder 15 is provided at the four corners of the frame body 1, a nozzle 16 is fixedly connected to the inner wall of the cylinder 15, an atomizing sheet 17 is provided at the outlet end of the nozzle 16, a water collecting box 18 is fixedly connected to the bottom surface of the frame body 1, a guide tube 19 is fixedly connected to the outlet end of the water collecting box 18, and the end of the guide tube 19 away from the water collecting box 18 is connected to the inlet end of the nozzle 16.

[0030] In this embodiment, when cleaning the photovoltaic glass panel, the output end of the external water pumping equipment is connected to the inlet end of the water collecting box 18, and the external water source is transported to the nozzle 16 through the water collecting box 18 via the guide tube 19, and is atomized by the atomizing sheet 17 on the nozzle 16, and finally sprayed on the surface of the photovoltaic glass panel to wet the photovoltaic glass panel, thereby fully improving the cleaning efficiency of the photovoltaic glass panel.

[0031] Working principle: Before use, install the mounting base 10 and the rotating shaft together. After the installation is completed, the mounting base 10 is driven downward by the cylinder 8 to store the cleaning rod 13 in the cross-shaped groove 2. The cleaning rod 13 is protected by the main body of the frame body 1 to prevent the cleaning rod 13 from being damaged. When self-cleaning is performed, the cylinder 8 is started to push the servo motor 9 to move upward, and the cleaning rod 13 is pushed out of the cross-shaped groove 2, so that the sponge 14 at the bottom of the cleaning rod 13 can fit tightly with the photovoltaic glass panel. When the servo motor 9 is started, the servo motor 9 drives the rotating shaft to rotate, thereby making the cleaning rod 13 The sponge 14 at the bottom of the rod 13 cleans the photovoltaic glass panel to achieve a self-cleaning effect. After cleaning a certain number of times, the mounting base 10 is removed from the rotating shaft to clean and maintain the sponge 14. When cleaning the photovoltaic glass panel, the output end of the external pumping equipment is connected to the inlet end of the water collecting box 18. The external water source is transported to the nozzle 16 through the guide tube 19 through the water collecting box 18, and is atomized by the atomizing sheet 17 on the nozzle 16, and finally sprayed on the surface of the photovoltaic glass panel to wet the photovoltaic glass panel, thereby fully improving the cleaning efficiency of the photovoltaic glass panel.

[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A self-cleaning photovoltaic frame, comprising a frame body (1), a mounting seat (10) and a control system, characterized in that: A cross-shaped groove (2) is provided on the surface of the frame body (1); an oblique groove (3) is provided on the inner wall of the frame body (1) and located inside the cross-shaped groove (2); a cleaning rod (13) is fixedly connected to the outer wall of the mounting seat (10); the outer wall of the cleaning rod (13) is slidably connected to the inner wall of the cross-shaped groove (2); a sponge (14) is bonded to the bottom surface of the cleaning rod (13); a circular hole (5) is provided at the center of the frame body (1); a sleeve (6) is fixedly connected to the bottom surface of the frame body (1); the sleeve (6) is located outside the circular hole (5); a servo motor (9) is slidably connected to the inner wall of the sleeve (6); an output end of the servo motor (9) is fixedly connected to a rotating shaft; a connecting assembly is provided at the top end of the rotating shaft; and a detachable connection is achieved between the rotating shaft and the mounting seat (10) via the connecting assembly.

2. A self-cleaning photovoltaic frame according to claim 1, characterized in that: The connection assembly comprises a limit block (11) and a connection cover (12), the connection cover (12) being sleeved on the rotating shaft, the bottom surface of the mounting seat (10) being fixedly connected with a threaded column, the inner wall of the connection cover (12) being provided with a threaded groove, the connection cover (12) being threadedly connected to the mounting seat (10) via the threaded column, the inner wall of the threaded column being provided with a limit hole, and the outer wall of the limit block (11) being snap-fitted with the inner wall of the limit hole.

3. The self-cleaning photovoltaic frame according to claim 1, characterized in that: A support (7) is fixedly connected to the bottom surface of the frame body (1) and located outside the sleeve (6); a cylinder (8) is fixedly connected to the outer wall of the support (7); and an output end of the cylinder (8) passes through the support (7) and is fixedly connected to the outer wall of the servo motor (9).

4. The self-cleaning photovoltaic frame according to claim 1, characterized in that: A drainage hole (4) is provided on the inner wall of the frame body (1) and located inside the cross-shaped groove (2). The drainage hole (4) is located outside the inclined groove (3). The inclined groove (3) is connected to the drainage hole (4).

5. The self-cleaning photovoltaic frame according to claim 1, characterized in that: Cylinders (15) are provided at the four corners of the frame body (1), a nozzle (16) is fixedly connected to the inner wall of the cylinder (15), and an atomizing sheet (17) is provided at the outlet end of the nozzle (16).

6. The self-cleaning photovoltaic frame according to claim 1, characterized in that: A water collecting box (18) is fixedly connected to the bottom surface of the frame body (1), a flow guide tube (19) is fixedly connected to the outlet end of the water collecting box (18), and one end of the flow guide tube (19) away from the water collecting box (18) is connected to the inlet end of the spray head (16).