Cleaning device for photovoltaic device

By designing a photovoltaic device cleaning device, which uses a combination of spraying cleaning fluid and brushes with a scraper to remove impurities from the surface of photovoltaic devices, the problem of impurities affecting the sealing performance and power generation efficiency is solved, achieving efficient cleaning and stability of photovoltaic devices.

CN224205036UActive Publication Date: 2026-05-05誉金新能源科技(山东)有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
誉金新能源科技(山东)有限公司
Filing Date
2025-03-10
Publication Date
2026-05-05

AI Technical Summary

Technical Problem

Dirt, grease, dust and other impurities on the surface of photovoltaic devices can reduce the adhesion between the encapsulation material and the photovoltaic device, affecting sealing performance and power generation efficiency.

Method used

A photovoltaic device cleaning apparatus was designed, including a cleaning table, a cleaning cylinder, brush bristles, water spray holes, a scraper, and a drive mechanism. By spraying cleaning fluid in combination with the action of the brush bristles and the scraper, impurities on the surface of the photovoltaic device are removed, ensuring the sealing performance and power generation efficiency.

Benefits of technology

It improves the encapsulation and sealing properties of photovoltaic devices and their ability to receive solar radiation, ensuring power generation efficiency and preventing impurities from affecting the adhesion of encapsulation materials and watermarks from affecting power generation efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a photovoltaic device cleaning device which comprises a cleaning table, a containing groove is formed in the cleaning table, a photovoltaic device body is placed in the containing groove, two sets of installation bases are arranged on the cleaning table in a sliding mode, and a cleaning cylinder is rotationally arranged between the two sets of installation bases. Brush bristles are fixedly installed on the circumferential face of the cleaning cylinder, the cleaning cylinder is hollow, water spraying holes are formed in the circumferential face of the cleaning cylinder, a water conveying hose is fixedly installed on one side of the set of installation bases, a through groove is formed in the set of installation bases, and the through groove is communicated with the water conveying hose and the interior of the cleaning cylinder. According to the utility model, impurities on the surface of the photovoltaic device body are cleaned through the cooperation of the bristles which rotate while moving and the sprayed cleaning liquid, thereby preventing the impurities from reducing the bonding effect between the packaging material and the photovoltaic device body, improving the sealing performance of the photovoltaic device body after packaging, and improving the reliability of the photovoltaic device body. And meanwhile, the solar radiation receiving capability of the photovoltaic device body is ensured.
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Description

Technical Field

[0001] This utility model relates to the field of photovoltaic device equipment, specifically to a cleaning device for photovoltaic devices. Background Technology

[0002] A photovoltaic (PV) device is a semiconductor material device that can convert solar energy into electrical energy; it is also known as a photovoltaic cell.

[0003] Encapsulation is a crucial step in the manufacturing process of photovoltaic devices, determining their sealing performance, stability, and lifespan. After production, photovoltaic devices often have impurities such as dirt, grease, and dust on their surface. These impurities reduce the adhesion between the encapsulation material and the photovoltaic device, decreasing the sealing performance. Moisture, gases, and other harmful substances can easily penetrate the photovoltaic device, shortening its lifespan. Simultaneously, these impurities reduce its ability to receive solar radiation, affecting power generation efficiency. Utility Model Content

[0004] To address the technical problems of dirt, grease, dust, and other impurities on the surface of existing photovoltaic devices, which reduce the adhesion between the encapsulation material and the photovoltaic device, decrease the sealing performance of the encapsulation, and reduce the device's ability to receive solar radiation, thus affecting power generation efficiency, this utility model provides a cleaning device for photovoltaic devices.

[0005] The technical solution adopted by this utility model is as follows: A cleaning platform is included, with a placement groove on the cleaning platform in which a photovoltaic device body is placed. Two sets of mounting seats are slidably arranged on the cleaning platform, and a cleaning cylinder is rotatably arranged between the two sets of mounting seats. Brush bristles are fixedly installed on the circumferential surface of the cleaning cylinder. The cleaning cylinder is hollow and has water spray holes on its circumferential surface. A water supply hose is fixedly installed on one side of one set of mounting seats. A through groove is opened in one set of mounting seats, and the through groove communicates with the water supply hose and the interior of the cleaning cylinder. Two sets of toothed plates are fixedly installed on the cleaning platform, and gears mesh on both sets of toothed plates. The gears are fixedly sleeved on the outside of the cleaning cylinder. A drive mechanism is also provided on the cleaning platform.

[0006] Furthermore, a mounting plate is fixedly connected between the two sets of mounting seats, a wiper blade is fixedly installed below the mounting plate, and an arc-shaped baffle is also fixedly installed between the two sets of mounting seats.

[0007] By adopting the above technical solution, the squeegee can remove water droplets from the surface of photovoltaic devices after cleaning.

[0008] Furthermore, the drive mechanism includes an installation groove formed on the cleaning table, a slider slidably installed in the installation groove, and a lead screw rotatably installed in the installation groove. The lead screw is threadedly connected to the slider. The bottom of a set of mounting seats is fixedly connected to the slider. A drive motor is fixedly installed on one side of the cleaning table, and the drive shaft of the drive motor is coaxially fixedly connected to the lead screw.

[0009] By adopting the above technical solution, the cleaning cylinder is driven to move on the cleaning table.

[0010] Furthermore, limit grooves are provided on both sides of the slider, and limit blocks are slidably installed in the limit grooves, with the limit blocks fixedly connected to the side wall of the mounting groove.

[0011] By adopting the above technical solution, the stability of the cleaning cylinder during movement is improved.

[0012] Furthermore, the cleaning table is provided with a guide groove, a guide rod is fixedly installed in the guide groove, a guide block is slidably sleeved on the outside of the guide rod, and the bottom of a set of mounting seats is fixedly connected to the guide block.

[0013] By adopting the above technical solution, the stability of the cleaning cylinder during movement is further improved.

[0014] Furthermore, both sets of mounting bases are provided with hollow circular cavities, and anti-detachment circular heads are rotatably installed in the hollow circular cavities. The two sets of anti-detachment circular heads are fixedly connected to both ends of the cleaning cylinder, and one set of anti-detachment circular heads is connected to the inside of the cleaning cylinder and the through groove.

[0015] By adopting the above technical solution, the stability of the cleaning cylinder when rotating between the two sets of mounting bases is improved.

[0016] Furthermore, the washing platform is provided with a drainage trough, the drainage trough is provided with a drainage hole, and a baffle plate is fixedly installed on the drainage trough.

[0017] By adopting the above technical solution, it is convenient to discharge the wastewater after cleaning.

[0018] The beneficial effects of this utility model are as follows: By using a water delivery hose in conjunction with a through groove in a set of mounting bases, a hollow cleaning cylinder, and spray holes on it, cleaning fluid is sprayed onto the surface of the photovoltaic device body. A drive motor, in conjunction with a lead screw and a slider, moves the cleaning cylinder on the cleaning table to increase the spraying range of the cleaning fluid. The mounting base, in conjunction with the cleaning cylinder, gears, toothed plates, and brush bristles, allows the brush bristles to move and rotate simultaneously, working with the sprayed cleaning fluid to clean impurities on the surface of the photovoltaic device body. This prevents impurities from reducing the adhesion between the encapsulation material and the photovoltaic device body, thereby improving the sealing performance of the photovoltaic device body after encapsulation. At the same time, it ensures the photovoltaic device body's ability to receive solar radiation and ensures its power generation efficiency.

[0019] By using a mounting base in conjunction with a mounting plate, a squeegee, and an arc-shaped baffle, the squeegee removes residual liquid droplets from the surface of the photovoltaic device after cleaning, preventing watermarks from evaporating and affecting the device's ability to receive solar radiation, thus improving the practicality of photovoltaic device cleaning. Attached Figure Description

[0020] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0021] Figure 2 This is a cross-sectional structural diagram of the cleaning table in this utility model;

[0022] Figure 3 This is another cross-sectional structural diagram of the cleaning table in this utility model;

[0023] Figure 4 This is a schematic diagram of the cleaning table in this utility model;

[0024] Figure 5 This is an assembly diagram of the cleaning cylinder, arc baffle, wiper blade and mounting base in this utility model.

[0025] The diagram is labeled as follows: 1. Cleaning platform; 2. Placement slot; 3. Photovoltaic device body; 4. Mounting base; 5. Cleaning cylinder; 6. Brush bristles; 7. Water spray hole; 8. Mounting plate; 9. Squeegee; 10. Toothed plate; 11. Gear; 12. Water supply hose; 13. Hollow cavity; 14. Anti-detachment round head; 15. Through slot; 16. Mounting slot; 17. Drive motor; 18. Lead screw; 19. Slider; 20. Guide slot; 21. Guide rod; 22. Guide block; 23. Limiting slot; 24. Limiting block; 25. Arc-shaped baffle; 26. Drainage trough; 27. Water baffle; 28. Drainage hole. Detailed Implementation

[0026] In the description of this utility model, it should be noted that the terms "front", "up", "down", "left", "right", "vertical", "horizontal", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0027] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0028] The following is in conjunction with the appendix Figure 1-5 The present invention will be further described below.

[0029] To address the problems existing in the background technology, this application proposes the following technical solution: A cleaning platform 1 is included, with a placement groove 2 on the cleaning platform 1, in which a photovoltaic device body 3 is placed. Two sets of mounting seats 4 are slidably arranged on the cleaning platform 1, and a cleaning cylinder 5 is rotatably arranged between the two sets of mounting seats 4. Brush bristles 6 are fixedly installed on the circumferential surface of the cleaning cylinder 5. The cleaning cylinder 5 is hollow, and water spray holes 7 are opened on the circumferential surface of the cleaning cylinder 5. A water supply hose 12 is fixedly installed on one side of one set of mounting seats 4. A through groove 15 is opened in one set of mounting seats 4, and the through groove 15 communicates with the water supply hose 12 and the interior of the cleaning cylinder 5. Two sets of toothed plates 10 are fixedly installed on the cleaning platform 1, and gears 11 mesh on both sets of toothed plates 10. The gears 11 are fixedly sleeved on the outside of the cleaning cylinder 5. A drive mechanism is also provided on the cleaning platform 1.

[0030] The photovoltaic device body 3 is placed in the placement tank 2. The water supply hose 12 is connected to an external cleaning fluid supply device. The supply device delivers a certain pressure cleaning fluid to the water supply hose 12. The cleaning fluid in the water supply hose 12 enters the cleaning cylinder 5 through the through groove 15, and is then sprayed onto the photovoltaic device body 3 from the spray nozzle 7. The drive mechanism drives the two sets of mounting bases 4 to move on the cleaning table 1. The two sets of mounting bases 4 simultaneously drive the cleaning cylinder 5 to move, so that the cleaning fluid can be evenly sprayed on the surface of the photovoltaic device body 3. The cleaning cylinder 5 drives the brush bristles 6 to move. The brush bristles 6 contact the upper surface of the photovoltaic device body 3. The movement of the brush bristles 6 cooperates with the sprayed cleaning fluid. The cleaning solution cleans the surface of the photovoltaic device body 3 of dirt, grease, dust and other impurities. While the cleaning cylinder 5 moves, it drives the gear 11 to move. The gear 11 meshes with the toothed plate 10 and the toothed plate 10 is fixedly set, so the gear 11 rotates. The gear 11 drives the cleaning cylinder 5 to rotate, so that the cleaning cylinder 5 rotates itself while moving. The brush bristles 6 rotate with it to improve the cleaning effect of impurities and avoid impurities reducing the adhesion between the encapsulation material and the photovoltaic device body 3. This can improve the sealing of the photovoltaic device body 3 after encapsulation, and at the same time ensure the photovoltaic device body 3's ability to receive solar radiation, thus ensuring its power generation efficiency.

[0031] Furthermore, a mounting plate 8 is fixedly connected between the two sets of mounting bases 4, a wiper blade 9 is fixedly installed below the mounting plate 8, and an arc-shaped baffle 25 is also fixedly installed between the two sets of mounting bases 4.

[0032] Mounting plate 8 provides installation conditions for wiper blade 9. While the two sets of mounting seats 4 move, the two sets of mounting seats 4 drive the wiper blade 9 to move through mounting plate 8. Wiper blade 9 scrapes off the liquid droplets remaining on the surface of photovoltaic device body 3 after cleaning, preventing them from leaving water marks after evaporation and affecting the ability of photovoltaic device body 3 to receive solar radiation. The arc-shaped baffle 25 can prevent the cleaning liquid sprayed from the spray hole 7 from falling behind wiper blade 9, ensuring the wiping effect of wiper blade 9 on residual liquid droplets and improving the practicality of wiper blade 9.

[0033] To further explain, the drive mechanism includes a mounting groove 16 formed on the cleaning table 1, a slider 19 slidably mounted in the mounting groove 16, and a lead screw 18 rotatably mounted in the mounting groove 16. The lead screw 18 and the slider 19 are threadedly connected. The bottom of a set of mounting seats 4 is fixedly connected to the slider 19. A drive motor 17 is fixedly mounted on one side of the cleaning table 1. The drive shaft of the drive motor 17 is coaxially fixedly connected to the lead screw 18.

[0034] The drive motor 17 drives the lead screw 18 to rotate, the lead screw 18 pushes the slider 19 to move, the slider 19 drives a set of mounting seats 4 to move, and the mounting seats 4 drive the cleaning cylinder 5 to move. The drive mechanism realizes the cleaning effect of the cleaning cylinder 5 moving on the cleaning table 1 to clean the surface of the photovoltaic device body 3, and improves the convenience of using the device.

[0035] To further explain, limit grooves 23 are provided on both sides of the slider 19, and limit blocks 24 are slidably installed in the limit grooves 23. The limit blocks 24 are fixedly connected to the side wall of the mounting groove 16.

[0036] The limiting block 24, together with the limiting groove 23, guides and limits the movement of the slider 19, preventing the slider 19 from flipping over when the lead screw 18 rotates, thus ensuring the stability of the slider 19 during movement and improving the stability of the cleaning cylinder 5 during the cleaning process.

[0037] To further explain, a guide groove 20 is provided on the cleaning table 1, a guide rod 21 is fixedly installed in the guide groove 20, a guide block 22 is slidably sleeved on the outside of the guide rod 21, and the bottom of a set of mounting seats 4 is fixedly connected to the guide block 22.

[0038] The guide rod 21, together with the guide block 22, guides and limits a set of mounting seats 4. The guide block 22, together with the slider 19, improves the stability of the two sets of mounting seats 4 when they move, thereby further improving the stability of the cleaning cylinder 5 when it moves, ensuring the smooth movement of the cleaning cylinder 5 during the cleaning process, and improving the practicality of the device.

[0039] Furthermore, both sets of mounting bases 4 are provided with hollow cavities 13, and anti-detachment round heads 14 are rotatably installed in both hollow cavities 13. The two sets of anti-detachment round heads 14 are fixedly connected to both ends of the washing cylinder 5, and one set of anti-detachment round heads 14 is connected to the inside of the washing cylinder 5 and the through groove 15.

[0040] The two sets of anti-detachment round heads 14 are integrated with the cleaning cylinder 5. The hollow round cavity 13 inside the mounting base 4 serves to connect the anti-detachment round heads 14 for rotation, thereby improving the stability of the cleaning cylinder 5 when rotated between the two sets of mounting bases 4. The anti-detachment round heads 14 in the mounting base 4 connected to the water supply hose 12 have through holes (not shown in the attached figure). The cleaning liquid in the water supply hose 12 enters the through groove 15 and then flows into the cleaning cylinder 5 through the through holes.

[0041] Furthermore, the washing platform 1 is provided with a drainage trough 26, the drainage trough 26 is provided with a drainage hole 28, and a baffle plate 27 is fixedly installed on the drainage trough 26.

[0042] During the cleaning process, the scraper 9 pushes the cleaning fluid and impurities toward the drain hole 28. The cleaning fluid, carrying impurities, flows into the drain trough 26 and is then discharged from the cleaning platform 1 through the drain hole 28. The drain hole 28 is inclined and a collection container (not shown in the attached figure) is placed below it. The baffle 27 can block the cleaning fluid pushed by the scraper 9 from entering the drain trough 26, preventing it from overflowing onto the surface of the cleaning platform 1 and ensuring the cleanliness of the surface of the cleaning platform 1. At the same time, the drain trough 26 makes it easy to remove the photovoltaic device body 3 from the placement tank 2 after cleaning, improving the practicality of the device.

[0043] The specific operation is as follows: Place the photovoltaic device body 3 in the placement tank 2. Connect the water supply hose 12 to the external cleaning fluid supply equipment. The supply equipment delivers the cleaning fluid with a certain pressure to the water supply hose 12. The cleaning fluid in the water supply hose 12 enters the cleaning cylinder 5 through the through groove 15, and is then sprayed onto the photovoltaic device body 3 from the spray nozzle 7. Start the drive motor 17. The drive motor 17 drives the lead screw 18 to rotate. The lead screw 18 pushes the slider 19 to move. The slider 19 drives a set of mounting seats 4 to move. The mounting seats 4 drive the cleaning cylinder 5 to move. The cleaning cylinder 5 drives the gear 11 to move. The toothed plate 10 fixedly installed on the cleaning table 1 causes the gear 11 to rotate. The gear 11 drives the cleaning cylinder 5 to rotate. The cleaning cylinder 5 drives the brush bristles 6 to move and rotate on the surface of the photovoltaic device body 3. The brush bristles 6, together with the cleaning fluid, clean the impurities on the surface of the photovoltaic device body 3. The scraper 9 pushes the cleaning fluid and impurities into the drain tank 26 for discharge.

[0044] All standard parts used in this utility model can be purchased from the market, and irregular parts can be customized according to the description and drawings. The specific connection methods of each part adopt conventional methods such as bolts, rivets, and welding that are mature in the prior art. The machinery, parts and equipment adopt conventional models in the prior art. In addition, the circuit connection adopts conventional connection methods in the prior art, which will not be described in detail here. The contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0045] Although embodiments of the present invention have been shown and described, the scope of the present invention will be defined by the appended claims and their equivalents for those skilled in the art.

Claims

1. A cleaning device for photovoltaic devices, characterized in that, The device includes a cleaning platform (1), on which a placement groove (2) is provided. A photovoltaic device body (3) is placed in the placement groove (2). Two sets of mounting seats (4) are slidably arranged on the cleaning platform (1). A cleaning cylinder (5) is rotatably arranged between the two sets of mounting seats (4). Brush bristles (6) are fixedly installed on the circumferential surface of the cleaning cylinder (5). The cleaning cylinder (5) is hollow. Water spray holes (7) are provided on the circumferential surface of the cleaning cylinder (5). A water supply hose (12) is fixedly installed on one side of the mounting base (4). A through groove (15) is provided in one set of the mounting base (4). The through groove (15) is connected to the water supply hose (12) and the inside of the cleaning cylinder (5). Two sets of toothed plates (10) are fixedly installed on the cleaning platform (1). Gears (11) are meshed on both sets of toothed plates (10). The gears (11) are fixedly sleeved on the outside of the cleaning cylinder (5). A drive mechanism is also provided on the cleaning platform (1).

2. The cleaning device for photovoltaic devices according to claim 1, characterized in that, A mounting plate (8) is fixedly connected between the two sets of mounting seats (4), and a wiper blade (9) is fixedly installed below the mounting plate (8). An arc-shaped baffle (25) is also fixedly installed between the two sets of mounting seats (4).

3. The cleaning device for photovoltaic devices according to claim 2, characterized in that, The drive mechanism includes a mounting groove (16) on the cleaning table (1), a slider (19) slidably mounted in the mounting groove (16), and a lead screw (18) rotatably mounted in the mounting groove (16). The lead screw (18) is threadedly connected to the slider (19). The bottom of a set of mounting seats (4) is fixedly connected to the slider (19). A drive motor (17) is fixedly mounted on one side of the cleaning table (1). The drive shaft of the drive motor (17) is coaxially fixedly connected to the lead screw (18).

4. The cleaning device for photovoltaic devices according to claim 3, characterized in that, Limiting grooves (23) are provided on both sides of the slider (19), and limiting blocks (24) are slidably installed in the limiting grooves (23). The limiting blocks (24) are fixedly connected to the side wall of the mounting groove (16).

5. The cleaning device for photovoltaic devices according to claim 4, characterized in that, The cleaning table (1) is provided with a guide groove (20), a guide rod (21) is fixedly installed in the guide groove (20), a guide block (22) is slidably sleeved on the outside of the guide rod (21), and the bottom of a set of mounting seats (4) is fixedly connected to the guide block (22).

6. The cleaning device for photovoltaic devices according to claim 5, characterized in that, Both sets of mounting bases (4) are provided with hollow circular cavities (13), and anti-detachment round heads (14) are rotatably installed in the hollow circular cavities (13). The two sets of anti-detachment round heads (14) are fixedly connected to both ends of the cleaning cylinder (5), and one set of anti-detachment round heads (14) is connected to the inside of the cleaning cylinder (5) and the through groove (15).

7. A cleaning device for photovoltaic devices according to claim 6, characterized in that, The cleaning table (1) is provided with a drainage trough (26), the drainage trough (26) is provided with a drainage hole (28), and a baffle plate (27) is fixedly installed on the drainage trough (26).