Surface self-cleaning structure for dust deposition of solar photovoltaic panel

By designing a self-cleaning structure of solar photovoltaic panels that uses water pump power to drive the impeller rotation, realize belt movement and cleaning components rotation, the inefficient cleaning and safety hazards caused by the accumulation of dust on the photovoltaic panels is solved, and the cleaning efficiency and environmental protection are improved.

CN119813934APending Publication Date: 2025-04-11HEBEI GENGJIE TECH CO LTD
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Patent Information

Application Number
CN202411705178.6
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-11-26
Publication Date
2025-04-11

AI Technical Summary

Technical Problem

The cleaning and maintenance efficiency of existing solar photovoltaic panels is low and has safety hazards, making it difficult to effectively remove dust accumulation, affecting power generation efficiency.

Method used

A surface self-cleaning structure with a dust accumulation of solar photovoltaic panels is designed. The impeller is driven to rotate through the power of the water pump to realize the movement of the first belt. Combined with the grooves on the rotating shaft and the protrusions of the inner wall of the driving groove, the cleaning component is realized while rotating on the photovoltaic panel and cleaning stains.

Benefits of technology

It improves cleaning efficiency, saves costs, realizes automatic twisting of the cleaning components, and recycles sewage after filtering, making it more environmentally friendly.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses a surface self-cleaning structure for dust deposition of a solar photovoltaic panel, and relates to the technical field of solar photovoltaic panels. The device comprises a reservoir, a first mounting plate, a second mounting plate and a photovoltaic panel, two first belt pulleys are rotationally arranged on the side surface of the first mounting plate; a first belt is arranged between the two first belt wheels in a transmission mode. An annular groove with the same moving track as the first belt is formed in the side face of the first mounting plate in a penetrating mode. A U-shaped shaft is fixed on the side surface of the first mounting plate; fixed shafts are fixed to the side faces of the first belts. Cleaning assemblies are rotationally arranged on the circumferential side faces of the fixing shafts. The power of water supply of a water pump is utilized to drive an impeller to rotate, then movement of a first belt is achieved, meanwhile, a groove in a rotating shaft is matched with a protrusion on the inner wall of a driving groove, a cleaning assembly rotates on a photovoltaic panel and moves to clean stains at the same time, and automatic wringing of the cleaning assembly is achieved through a scraping plate; the water is filtered by the filter cloth for recycling, so that the cost is saved, and the environment is protected.
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Description

Technical Field

[0001] The invention belongs to the technical field of solar photovoltaic panels, and in particular relates to a surface self-cleaning structure for dust accumulation on a solar photovoltaic panel. Background Art

[0002] Solar photovoltaic panels are panels that convert sunlight radiation into electrical energy. They consist of many solar cell modules that can be connected in series or in parallel to form a solar power generation system. Photovoltaic panels can be used in a variety of different applications, including residential, commercial and industrial fields.

[0003] The characteristic of solar power generation system is that it obtains solar radiation by laying a large area of ​​photovoltaic panels. After it is put into operation, it needs long-term cleaning and maintenance. At present, due to the influence of factors such as dust accumulation, the power generation efficiency of photovoltaic panels will be reduced. Most of the existing technologies require climbing workers to perform operations using handheld brushing tools, which has low cleaning efficiency and poses safety hazards.

[0004] To this end, we provide a surface self-cleaning structure for dust accumulation on solar photovoltaic panels to solve the above-mentioned problems. Summary of the invention

[0005] The purpose of the present invention is to provide a self-cleaning structure for the surface of a solar photovoltaic panel with dust accumulation. By utilizing the power of a water pump to supply water, the impeller is driven to rotate, thereby realizing the movement of the first belt. At the same time, the groove on the rotating shaft cooperates with the protrusion on the inner wall of the driving groove to realize the cleaning component to rotate and move on the photovoltaic panel to clean the stains, thereby saving costs, improving the cleaning efficiency, and solving the existing problems.

[0006] To solve the above technical problems, the present invention is achieved through the following technical solutions:

[0007] The present invention is a self-cleaning structure for the surface of a solar photovoltaic panel with dust accumulation, comprising a water reservoir; a first mounting plate and a second mounting plate are symmetrically fixed on the surface of the water reservoir; a photovoltaic panel is arranged between the first mounting plate and the second mounting plate; the photovoltaic panel is arranged at an incline; two first pulleys are rotatably arranged on the side of the first mounting plate; a first belt is transmitted between the two first pulleys; the first belt and the photovoltaic panel are in the same inclination state; an annular groove which is the same as the running track of the first belt is opened through the side of the first mounting plate; a U-shaped shaft is fixed on the side of the first mounting plate; one end of the U-shaped shaft is arranged between the two first pulleys and the first belt, and the other end thereof is fixed under the first belt; a fixed shaft is fixed on the side of the first belt; a cleaning component is rotatably arranged around the side of the fixed shaft.

[0008] The present invention is further configured as follows: a driving groove having the same shape and size as the annular groove is opened on the side surface of the second mounting plate; a plurality of protrusions are evenly fixed on the inner wall of the driving groove; and the cleaning component is arranged on the inner wall of the driving groove.

[0009] The present invention is further configured as follows: the cleaning component comprises a rotating shaft matched with the inner wall of the driving groove; a plurality of grooves are evenly distributed in a circular array on the circumferential side surface of the rotating shaft; and the protrusions are matched with the inner walls of the grooves.

[0010] The present invention is further configured as follows: a rotating drum is fixed at the end of the rotating shaft; the rotating drum is rotatably arranged on the peripheral side of the fixed shaft; a brush cloth is bonded to the peripheral side of the rotating drum; and a plurality of bristles are evenly distributed and fixed on the peripheral side of the brush cloth in a circular array.

[0011] The present invention is further configured as follows: a plurality of scrapers are evenly distributed and fixed in a circular array between the first mounting plate and the second mounting plate; the scrapers are adapted to the peripheral side surfaces of the brush cloth; a guide plate is fixed between the first mounting plate and the second mounting plate and below the scraper; the guide plate is inclined toward the water reservoir.

[0012] The present invention is further configured as follows: a water pump is fixed to the side of the water reservoir; a water pumping pipe is fixed to the water pumping end, and a water supply pipe is fixed to the water outlet end; the water pumping pipe extends into the interior of the water reservoir; a diversion pipe is passed through and fixed to the end of the water supply pipe; and a plurality of cleaning pipes are evenly passed through and fixed to the side surface of the diversion pipe.

[0013] The present invention is further configured as follows: an impeller is rotatably arranged on the inner wall of the water delivery pipe; a rotating rod is fixed to the side of the impeller; the rotating rod passes through the water delivery pipe and the water reservoir; a second pulley is fixed to the side of the first pulley and the end of the rotating rod; and a second belt is transmitted between the two second pulleys.

[0014] The present invention is further configured as follows: a guide groove is provided through the side of the water reservoir; a filter basket is slidably provided on the inner wall of the guide groove; a mounting groove is provided on the surface of the filter basket; a leather plug is provided on the inner wall of the mounting groove; a filter cloth is provided on the inner bottom surface of the filter basket; and the edge of the filter cloth is fixed inside the mounting groove by a leather plug.

[0015] The present invention has the following beneficial effects:

[0016] 1. The present invention utilizes the power of the water pump to drive the impeller to rotate, thereby realizing the movement of the first belt. At the same time, the groove on the rotating shaft cooperates with the protrusion on the inner wall of the driving groove, so that the cleaning component can rotate and move on the photovoltaic panel to clean stains, saving costs and improving cleaning efficiency.

[0017] 2. When the cleaning component of the present invention moves to the bottom of the photovoltaic panel and separates from the photovoltaic panel, the cleaning component contacts the scraper, and the scraper scrapes off the dirty water on the brush cloth and the bristles. The dirty water flows back to the water reservoir along the guide plate, thereby realizing automatic wringing of the cleaning component.

[0018] 3. The water used for cleaning the photovoltaic panels of the present invention is filtered through the filter cloth on the multi-layer filter basket, thereby improving the effect of removing impurities from the sewage, and is finally recycled into the reservoir for recycling, which is more environmentally friendly.

[0019] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for describing the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative work.

[0021] Figure 1 The present invention is a schematic diagram of the structure of a self-cleaning structure for the surface of a solar photovoltaic panel with dust accumulation.

[0022] Figure 2 For the present invention Figure 1 Another perspective structural diagram of .

[0023] Figure 3 For the present invention Figure 2 A magnified image of area A.

[0024] Figure 4 It is a schematic diagram of the structure of the cleaning component of the present invention.

[0025] Figure 5 It is a cross-sectional view of the water reservoir of the present invention.

[0026] Figure 6 It is a schematic structural diagram of the filter basket and the filter cloth of the present invention.

[0027] Figure 7 For the present invention Figure 6 A magnified view of area B.

[0028] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0029] 1. Water reservoir; 2. First mounting plate; 3. Second mounting plate; 4. Photovoltaic panel; 5. First pulley; 6. First belt; 7. Annular groove; 8. U-shaped shaft; 9. Fixed shaft; 10. Cleaning assembly; 11. Driving groove; 12. Protrusion; 13. Rotating shaft; 14. Groove; 15. Rotating drum; 16. Brush cloth; 17. Bristles; 18. Scraper; 19. Water pump; 20. Suction pipe; 21. Water delivery pipe; 22. Diverter pipe; 23. Cleaning pipe; 24. Impeller; 25. Rotating rod; 26. Second pulley; 27. Second belt; 28. Guide chute; 29. ​​Filter basket; 30. Mounting groove; 31. Leather plug; 32. Filter cloth; 33. Guide plate. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0031] For specific embodiment 1, please refer to Figure 1-7 The present invention is a self-cleaning structure for the surface of a solar photovoltaic panel with dust accumulation, comprising a water reservoir 1; a first mounting plate 2 and a second mounting plate 3 are symmetrically fixed on the surface of the water reservoir 1; a photovoltaic panel 4 is arranged between the first mounting plate 2 and the second mounting plate 3; the photovoltaic panel 4 is arranged obliquely; two first pulleys 5 are rotatably arranged on the side of the first mounting plate 2; a first belt 6 is transmitted between the two first pulleys 5; the first belt 6 and the photovoltaic panel 4 are in the same inclined state; an annular groove 7 with the same running track as the first belt 6 is opened through the side of the first mounting plate 2; a U-shaped shaft 8 is fixed on the side of the first mounting plate 2; one end of the U-shaped shaft 8 is arranged between the two first pulleys 5 and the first belt 6, and the other end thereof is fixed below the first belt 6; a fixed shaft 9 is fixed on the side of the first belt 6; a cleaning component 10 is rotatably arranged around the fixed shaft 9.

[0032] Specifically, a water pump 19 is fixed to the side of the water reservoir 1; a water pumping pipe 20 is fixed to the water pumping end of the water pump 19, and a water supply pipe 21 is fixed to the water outlet end; the water pumping pipe 20 extends into the interior of the water reservoir 1; a diversion pipe 22 is fixed through the end of the water supply pipe 21; and a number of cleaning pipes 23 are evenly fixed through the side of the diversion pipe 22.

[0033] Furthermore, an impeller 24 is rotatably arranged on the inner wall of the water supply pipe 21; a rotating rod 25 is fixed to the side of the impeller 24; the rotating rod 25 passes through the water supply pipe 21 and the water reservoir 1; a second pulley 26 is fixed to the side of a first pulley 5 and the end of the rotating rod 25; a second belt 27 is arranged for transmission between the two second pulleys 26.

[0034] The operation process of this embodiment is: when the photovoltaic panel 4 needs to be cleaned, start the water pump 19, the water pump 19 pumps water inside the water reservoir 1 through the pumping pipe 20, and transports water to the diversion pipe 22 through the water supply pipe 21, and finally flows to the surface of the photovoltaic panel 4 through the cleaning pipe 23, and flows down along the photovoltaic panel 4 back to the water reservoir 1.

[0035] During this process, water passes through the impeller 24 to drive the impeller 24 to rotate, thereby driving the rotating rod 25 to rotate, thereby driving the corresponding second pulley 26 to rotate, and then driving another second pulley 26 to rotate through the second belt 27, thereby driving the corresponding first pulley 5 to rotate, thereby driving the first belt 6 to move, thereby driving the fixed shaft 9 to move along the inner wall of the annular groove 7, and thereby driving the cleaning component 10 to move on the surface of the photovoltaic panel 4 to clean the stains on the surface of the photovoltaic panel 4.

[0036] This embodiment utilizes the power of the water pump 19 to drive the impeller 24 to rotate, thereby realizing the movement of the first belt 6, and then realizing the movement of the cleaning component 10 on the surface of the photovoltaic panel 4 to clean the stains on the photovoltaic panel 4, thereby saving costs and improving the cleaning efficiency.

[0037] For specific embodiment 2, please refer to Figure 1-7 On the basis of the first specific embodiment, a driving groove 11 having the same shape and size as the annular groove 7 is opened on the side of the second mounting plate 3; a plurality of protrusions 12 are evenly fixed on the inner wall of the driving groove 11; and a cleaning component 10 is arranged on the inner wall of the driving groove 11.

[0038] Specifically, the cleaning assembly 10 includes a rotating shaft 13 matched with the inner wall of the driving groove 11 ; a plurality of grooves 14 are evenly distributed in a circular array on the circumferential side of the rotating shaft 13 ; and the protrusion 12 is matched with the inner wall of the groove 14 .

[0039] Furthermore, a rotating drum 15 is fixed to the end of the rotating shaft 13; the rotating drum 15 is rotatably arranged on the side of the fixed shaft 9; a brush cloth 16 is bonded to the side of the rotating drum 15; and a plurality of bristles 17 are evenly distributed and fixed on the side of the brush cloth 16 in a circular array.

[0040] Furthermore, a plurality of scrapers 18 are evenly distributed and fixed in a circular array between the first mounting plate 2 and the second mounting plate 3; the scrapers 18 are adapted to the side surfaces of the brush cloth 16; a guide plate 33 is fixed between the first mounting plate 2 and the second mounting plate 3 and below the scraper 18; the guide plate 33 is inclined toward the water reservoir 1.

[0041] The operation process of this embodiment is as follows: when the cleaning component 10 moves along the inner wall of the annular groove 7, it drives the rotating shaft 13 to move on the inner wall of the driving groove 11. The groove 14 on the rotating shaft 13 cooperates with the protrusion 12 on the inner wall of the driving groove 11, driving the rotating shaft 13 to rotate and move on the inner wall of the driving groove 11, thereby driving the rotating drum 15 to rotate and move on the photovoltaic panel 4, thereby driving the brush cloth 16 and the bristles 17 to scrub the photovoltaic panel 4. When the cleaning component 10 moves to the bottom of the photovoltaic panel 4 and separates from the photovoltaic panel 4, the cleaning component 10 contacts the scraper 18 at this time, and the scraper 18 scrapes the sewage on the brush cloth 16 and the bristles 17, and the sewage flows back to the inside of the water reservoir 1 along the guide plate 33, realizing the automatic wringing of the cleaning component 10.

[0042] For specific embodiment 3, please refer to Figure 1-7 On the basis of the specific embodiment 1 and the specific embodiment 2, a guide groove 28 is provided through the side of the water reservoir 1; a filter basket 29 is slidably provided on the inner wall of the guide groove 28; a mounting groove 30 is provided on the surface of the filter basket 29; a leather plug 31 is provided on the inner wall of the mounting groove 30; a filter cloth 32 is provided on the inner bottom surface of the filter basket 29; and the edge of the filter cloth 32 is fixed inside the mounting groove 30 by the leather plug 31.

[0043] The operation process of this embodiment is as follows: the cleaned water is mixed with some impurities and flows into the water reservoir 1 through the guide plate 33. During the process, it passes through multiple filter baskets 29, and the impurities are filtered and blocked by the filter cloth 32. The filter cloth 32 on the multi-layer filter basket 29 filters the sewage multiple times to improve the effect of sewage impurity removal, so that the water recovered into the water reservoir 1 can be recycled and utilized multiple times to clean the photovoltaic panels 4. The filter cloth 32 is replaced regularly to prevent excessive impurities from affecting water flow recovery.

[0044] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0045] The preferred embodiments of the present invention disclosed above are only used to help illustrate the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the invention to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can understand and use the present invention well. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A self-cleaning structure for the surface of a solar photovoltaic panel with dust accumulation, comprising a water reservoir (1); characterized in that: A first mounting plate (2) and a second mounting plate (3) are symmetrically fixed on the surface of the water reservoir (1); a photovoltaic panel (4) is arranged between the first mounting plate (2) and the second mounting plate (3); the photovoltaic panel (4) is arranged at an angle; Two first pulleys (5) are rotatably arranged on the side of the first mounting plate (2); a first belt (6) is transmitted between the two first pulleys (5); the first belt (6) and the photovoltaic panel (4) are in the same inclined state; an annular groove (7) is formed through the side of the first mounting plate (2) and has the same running track as the first belt (6); A U-shaped shaft (8) is fixed on the side of the first mounting plate (2); one end of the U-shaped shaft (8) is arranged between the two first pulleys (5) and the first belt (6), and the other end thereof is fixed below the first belt (6); a fixed shaft (9) is fixed on the side of the first belt (6); a cleaning assembly (10) is rotatably arranged around the side of the fixed shaft (9).

2. A solar photovoltaic panel dust-accumulated surface self-cleaning structure according to claim 1, characterized in that: A driving groove (11) having the same shape and size as the annular groove (7) is provided on the side surface of the second mounting plate (3); a plurality of protrusions (12) are evenly fixed on the inner wall of the driving groove (11); and the cleaning assembly (10) is arranged on the inner wall of the driving groove (11).

3. A solar photovoltaic panel dust-accumulated surface self-cleaning structure according to claim 2, characterized in that: The cleaning component (10) comprises a rotating shaft (13) adapted to the inner wall of the driving groove (11); a plurality of grooves (14) are evenly distributed in a circular array on the circumferential side surface of the rotating shaft (13); and the protrusion (12) is adapted to the inner wall of the groove (14).

4. A solar photovoltaic panel dust-accumulated surface self-cleaning structure according to claim 3, characterized in that: A rotating drum (15) is fixed at the end of the rotating shaft (13); the rotating drum (15) is rotatably arranged on the peripheral side of the fixed shaft (9); a brush cloth (16) is bonded to the peripheral side of the rotating drum (15); and a plurality of brush bristles (17) are evenly distributed and fixed on the peripheral side of the brush cloth (16) in a circular array.

5. A solar photovoltaic panel dust-accumulated surface self-cleaning structure according to claim 4, characterized in that: A plurality of scrapers (18) are evenly distributed and fixed in a circular array between the first mounting plate (2) and the second mounting plate (3); the scrapers (18) are adapted to the circumferential side surfaces of the brush cloth (16); a guide plate (33) is fixed below the scraper (18) between the first mounting plate (2) and the second mounting plate (3); the guide plate (33) is arranged to be inclined toward the water reservoir (1).

6. A solar photovoltaic panel dust-accumulated surface self-cleaning structure according to claim 5, characterized in that: A water pump (19) is fixed on the side of the water reservoir (1); a water pumping pipe (20) is fixed on the water pumping end of the water pump (19), and a water delivery pipe (21) is fixed on the water outlet end; the water pumping pipe (20) extends into the interior of the water reservoir (1); a diversion pipe (22) is fixedly passed through the end of the water delivery pipe (21); and a plurality of cleaning pipes (23) are evenly passed through and fixedly passed through the peripheral side of the diversion pipe (22).

7. A solar photovoltaic panel dust-accumulated surface self-cleaning structure according to claim 6, characterized in that: An impeller (24) is rotatably arranged on the inner wall of the water delivery pipe (21); a rotating rod (25) is fixed on the side of the impeller (24); the rotating rod (25) penetrates the water delivery pipe (21) and the water reservoir (1); a second belt pulley (26) is fixed on the side of the first belt pulley (5) and the end of the rotating rod (25); and a second belt (27) is arranged between the two second belt pulleys (26) for transmission.

8. A solar photovoltaic panel dust-accumulated surface self-cleaning structure according to claim 7, characterized in that: A guide slot (28) is provided through the side of the water storage tank (1); a filter basket (29) is slidably provided on the inner wall of the guide slot (28); a mounting slot (30) is provided on the surface of the filter basket (29); a leather plug (31) is provided on the inner wall of the mounting slot (30); a filter cloth (32) is provided on the inner bottom surface of the filter basket (29); and the edge of the filter cloth (32) is fixed inside the mounting slot (30) via the leather plug (31).