High-humidity environment photovoltaic maintenance device

By designing a high-humidity ambient photovoltaic maintenance device for rotating components and cleaning components, the problem that existing devices are difficult to absorb humid air in large areas around the photovoltaic panels is solved, and the effect of effectively reducing humidity and cleaning of photovoltaic panels is achieved, and the service life of photovoltaic panels is extended.

CN119891931AInactive Publication Date: 2025-04-25HUADIAN YUSHE NEW ENERGY CO LTD
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Patent Information

Application Number
CN202411815357.5
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-11
Publication Date
2025-04-25
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

When the existing high-humidity ambient photovoltaic maintenance device absorbs high-humidity air around the photovoltaic panel, it is difficult to fully absorb and dry the humid air in a larger range, resulting in accelerated aging of the photovoltaic panel and reduced service life.

Method used

A high humidity ambient photovoltaic maintenance device including a rotating assembly and a cleaning assembly is designed. The rotating assembly drives the rotation shaft through a waterproof motor, deflecting the U-shaped and wave adsorption shell and circulating, expanding the absorption range of humid air. The cleaning assembly sprays condensate water to the photovoltaic panel through a water pump and a nozzle, and maintains and cleanses with a cleaning brush.

Benefits of technology

It effectively reduces the air humidity around the photovoltaic panels and extends the service life of the photovoltaic panels. At the same time, through the role of cleaning components, efficient cleaning of the photovoltaic panels is achieved and resources are saved.

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Abstract

The invention discloses a high-humidity environment photovoltaic maintenance device, and particularly relates to the technical field of maintenance devices.The high-humidity environment photovoltaic maintenance device comprises a supporting frame fixed to the bottom of a photovoltaic panel, a support is fixedly arranged on one side of the supporting frame, a rotating shaft is rotationally connected to the inner side of the support, a rotating assembly is arranged on one side of the rotating shaft, and a case is arranged on one side of the supporting frame; a protective shell is fixedly arranged on the inner wall of the machine box, an expansion valve is fixedly arranged on the inner wall of the protective shell, and connecting pipes are arranged at the output end and the input end of the expansion valve in a penetrating mode. By arranging the rotating assembly, the photovoltaic maintenance device has an effect of adsorbing humid air in a relatively large range around the photovoltaic panel, so that the problems that the photovoltaic maintenance device is difficult to absorb and dry the humid air around the photovoltaic panel more sufficiently in a high-humidity environment, the ageing of the photovoltaic panel is easily accelerated by the humid air, and the service life of the photovoltaic panel is prolonged are solved. And the service life of the photovoltaic panel is shortened.
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Description

Technical Field

[0001] The present invention relates to the technical field of maintenance devices, and more particularly to a photovoltaic maintenance device in a high humidity environment. Background Art

[0002] Photovoltaic equipment requires regular maintenance. The maintenance of photovoltaic equipment mainly includes cleaning the dust and snow on the photovoltaic panels. Generally, in order to prevent the photovoltaic panels from being damaged during manual cleaning, it is necessary to contact professionals for cleaning to improve the power generation efficiency of the photovoltaic equipment. However, these maintenance equipment often require external water pipes, which means that when installing the maintenance equipment, water pipes must be constructed on the roof, which greatly increases the workload.

[0003] According to patent announcement number CN116436393A, a photovoltaic maintenance device based on a high humidity environment is disclosed, including a bracket for installing a photovoltaic panel and an air duct fixedly connected to the bracket. The air duct passes through a condenser, and the condenser is connected to a heat pipe through a compressor. The heat pipe is connected to the condenser through an expansion valve. This structure does not require an external water pipe, which greatly simplifies the engineering workload.

[0004] However, in actual use, such as in a high-humidity environment, the photovoltaic maintenance device usually absorbs the high-humidity air around the photovoltaic panels in a fixed-point and small-range manner, making it difficult to more fully absorb and dry the humid air around the photovoltaic panels. Humid air can easily accelerate the aging of the photovoltaic panels, resulting in a reduced service life of the photovoltaic panels. Summary of the invention

[0005] In order to overcome the above defects of the prior art, the present invention provides a photovoltaic maintenance device in a high humidity environment to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a photovoltaic maintenance device in a high humidity environment, comprising a support frame fixed at the bottom of a photovoltaic panel, a support frame being fixedly provided on one side of the support frame, a rotating shaft being rotatably connected to the inner side of the support frame, a rotating assembly being provided on one side of the rotating shaft, a chassis being provided on one side of the support frame, a protective shell being fixedly provided on the inner wall of the chassis, an expansion valve being fixedly provided on the inner wall of the protective shell, a connecting pipe being penetrated through the output end and the input end of the expansion valve, a compressor being provided at the bottom of the expansion valve, the output end and the input end of the compressor being penetrated and connected with two connecting pipes respectively, and freon being provided inside the connecting pipe, one of the connecting pipes being connected with an evaporator, the evaporator being fixedly connected to the protective shell, the compressor being fixedly connected to the protective shell, a cleaning assembly being provided at the bottom of the chassis, a sieve plate being fixedly provided on one side of the inner wall of the chassis, an air-conditioning outdoor unit being provided on the rear side of the sieve plate, another connecting pipe penetrating the chassis and being connected with the air-conditioning outdoor unit, and the output end of the air-conditioning outdoor unit being penetrated and connected with the chassis.

[0007] As a further description of the above technical solution:

[0008] The rotating assembly includes an L-shaped plate fixed on the front side of the bracket, a waterproof motor is fixed on the front side of the L-shaped plate, the rotating shaft passes through the bracket and the L-shaped plate and extends to the front side of the L-shaped plate, the output end of the waterproof motor is fixedly connected to the rotating shaft, two connecting blocks are fixed on the outside of the rotating shaft, and a U-shaped adsorption shell is fixed on the front side of the two connecting blocks.

[0009] As a further description of the above technical solution:

[0010] A connecting shell is provided on the rear side of the U-shaped adsorption shell, a W-shaped adsorption shell is provided on the top of the connecting shell, a wave adsorption shell is provided on the top of the W-shaped adsorption shell, and two telescopic hoses are provided on the bottom of the W-shaped adsorption shell, and both of the telescopic hoses are connected to the chassis.

[0011] As a further description of the above technical solution:

[0012] The cleaning component comprises a water collecting bucket penetrating the bottom of the chassis, a water collecting box is penetrating the bottom of the water collecting bucket, and a water pump is arranged at the front side of the water collecting box.

[0013] As a further description of the above technical solution:

[0014] The water pump input end is connected with the water collecting tank, the water pump output end is provided with a water outlet pipe, one end of the water outlet pipe is provided with a main pipe, the main pipe is fixedly connected with the chassis, and one side of the main pipe is provided with multiple nozzles.

[0015] As a further description of the above technical solution:

[0016] A cleaning plate is provided on one side of the nozzle, a cleaning brush is fixedly provided on the bottom of the cleaning plate, positioning plates are fixedly provided on both sides of the cleaning plate, and a waterproof electric push rod is provided on one side of the two positioning plates.

[0017] As a further description of the above technical solution:

[0018] The output end of the waterproof electric push rod is fixedly connected to the positioning plate, one end of the waterproof electric push rod is fixedly provided with an L-shaped frame, and the L-shaped frame is fixedly connected to the support plate.

[0019] Technical effects and advantages of the present invention:

[0020] 1. By setting a rotating assembly, compared with the prior art, the waterproof motor can drive the rotating shaft to rotate so that the U-shaped adsorption shell and the wave adsorption shell deflect a certain angle and then circulate back and forth, absorbing a large range of humid air around the photovoltaic panel, which can effectively reduce the air humidity around the photovoltaic panel and thus extend the service life of the photovoltaic panel;

[0021] 2. By setting up a cleaning component, compared with the existing technology, the condensed water in the water collection tank is sprayed out from the nozzle through the action of the water pump and used to clean the photovoltaic panels. The photovoltaic panels are maintained and cleaned in cooperation with the cleaning board, which saves resources and achieves rational use of resources. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0023] Figure 2 It is a schematic diagram of the cross-sectional structure of the rotating shaft of the present invention.

[0024] Figure 3 It is a schematic diagram of the wave absorption shell structure of the present invention.

[0025] Figure 4 It is a schematic diagram of the cross-sectional structure of the chassis of the present invention.

[0026] Figure 5 It is a schematic diagram of the waterproof electric push rod structure of the present invention.

[0027] The accompanying drawings are marked as follows: 1. support frame; 2. bracket; 3. rotating shaft; 4. chassis; 5. protective shell; 6. expansion valve; 7. connecting pipe; 8. compressor; 9. sieve plate; 10. air conditioner outdoor unit; 11. L-shaped plate; 12. waterproof motor; 13. connecting block; 14. U-shaped adsorption shell; 15. connecting shell; 16. W-shaped adsorption shell; 17. wave adsorption shell; 18. telescopic hose; 19. water collecting bucket; 20. water collecting tank; 21. water pump; 22. water outlet pipe; 23. main pipe; 24. nozzle; 25. cleaning plate; 26. cleaning brush; 27. positioning plate; 28. waterproof electric push rod; 29. ​​L-shaped frame. DETAILED DESCRIPTION

[0028] 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.

[0029] As attached Figure 1-5The high humidity environment photovoltaic maintenance device shown includes a support frame 1 fixed at the bottom of the photovoltaic panel, and is characterized in that: a support frame 2 is fixedly provided on one side of the support frame 1, a rotating shaft 3 is rotatably connected to the inner side of the support frame 2, a rotating assembly is provided on one side of the rotating shaft 3, a chassis 4 is provided on one side of the support frame 1, a protective shell 5 is fixedly provided on the inner wall of the chassis 4, an expansion valve 6 is fixedly provided on the inner wall of the protective shell 5, a connecting pipe 7 is penetrated through the output end and the input end of the expansion valve 6, a compressor 8 is provided at the bottom of the expansion valve 6, the output end and the input end of the compressor 8 are respectively penetrated and connected with two connecting pipes 7, and Freon is provided inside the connecting pipe 7, one of the connecting pipes 7 is connected to an evaporator 30, the evaporator 30 is fixedly connected to the protective shell 5, the compressor 8 is fixedly connected to the protective shell 5, a cleaning assembly is provided at the bottom of the chassis 4, a sieve plate 9 is fixedly provided on one side of the inner wall of the chassis 4, an air-conditioning outdoor unit 10 is provided on the rear side of the sieve plate 9, another connecting pipe 7 penetrates the chassis 4 and is communicated with the air-conditioning outdoor unit 10, and the output end of the air-conditioning outdoor unit 10 is penetrated and connected with the chassis 4.

[0030] In some embodiments, according to Figure 2 , 3 As shown, the rotating assembly includes an L-shaped plate 11 fixed to the front side of the bracket 2, a waterproof motor 12 is fixed to the front side of the L-shaped plate 11, a rotating shaft 3 passes through the bracket 2 and the L-shaped plate 11 and extends to the front side of the L-shaped plate 11, an output end of the waterproof motor 12 is fixedly connected to the rotating shaft 3, two connecting blocks 13 are fixedly provided on the outer side of the rotating shaft 3, and a U-shaped adsorption shell 14 is fixedly provided on the front side of the two connecting blocks 13.

[0031] In some embodiments, according to Figure 3 As shown, a connecting shell 15 is provided through the rear side of the U-shaped adsorption shell 14, a W-shaped adsorption shell 16 is provided through the top of the connecting shell 15, a wave adsorption shell 17 is provided through the top of the W-shaped adsorption shell 16, and two telescopic hoses 18 are provided through the bottom of the W-shaped adsorption shell 16, and both telescopic hoses 18 are connected to the chassis 4. The U-shaped adsorption shell 14 and the wave adsorption shell 17 can increase the contact area with the humid air and thus increase the absorption range of the humid air, and the W-shaped adsorption shell 16 can concentrate the humid air absorbed in the wave adsorption shell 17 into the telescopic hose 18.

[0032] In some embodiments, according to Figure 4 , 5 As shown, the cleaning component includes a water collecting bucket 19 that passes through the bottom of the chassis 4, a water collecting box 20 is provided at the bottom of the water collecting bucket 19, and a water pump 21 is provided on the front side of the water collecting box 20. The water collecting bucket 19 can collect condensed water into the water collecting box 20 for subsequent recycling.

[0033] In some embodiments, according to Figure 5As shown, the input end of the water pump 21 is connected with the water collecting tank 20, and the output end of the water pump 21 is provided with a water outlet pipe 22. One end of the water outlet pipe 22 is provided with a main pipe 23, and the main pipe 23 is fixedly connected to the chassis 4. One side of the main pipe 23 is provided with multiple nozzles 24. The water pump 21 can pump the condensed water in the water collecting tank 20 to the nozzle 24 and spray it onto the surface of the photovoltaic panel, and cooperate with the cleaning brush 26 to clean the photovoltaic panel.

[0034] In some embodiments, according to Figure 5 As shown, a cleaning plate 25 is provided on one side of the nozzle 24 , a cleaning brush 26 is fixedly provided on the bottom of the cleaning plate 25 , positioning plates 27 are fixedly provided on both sides of the cleaning plate 25 , and a waterproof electric push rod 28 is provided on one side of the two positioning plates 27 .

[0035] In some embodiments, according to Figure 1 As shown, the output end of the waterproof electric push rod 28 is fixedly connected to the positioning plate 27, and an L-shaped frame 29 is fixedly provided at one end of the waterproof electric push rod 28. The L-shaped frame 29 is fixedly connected to the support plate. The waterproof electric push rod 28 can drive the positioning plate 27 so that the cleaning plate 25 wipes and cleans the surface of the photovoltaic panel.

[0036] Working principle of the present invention: Figure 1-5 As shown, the waterproof motor 12 is started to drive the shaft 3 to rotate, the shaft 3 drives the connecting block 13 to rotate, the connecting block 13 then drives the U-shaped adsorption shell 14 to rotate, the U-shaped adsorption shell 14 then drives the connecting shell 15 to rotate, the connecting shell 15 then drives the W-shaped adsorption shell 16 and the wave adsorption shell 17 to rotate to the horizontal and then rotate to reset, and the cycle is repeated. While the W-shaped adsorption shell 16 rotates, the telescopic hose 18 is extended and retracted to absorb a large range of humid air around the photovoltaic panel, and the air conditioner outdoor unit 10 is started. After the humid air enters from the U-shaped adsorption shell 14 and the wave adsorption shell 17, it passes through the connecting shell 15 and the W-shaped adsorption shell 16 and merges into the telescopic hose 18 and then enters the chassis 4. The humid air moves along the connecting pipe 7, and the compressor 8 is started at the same time to output high-pressure liquid Freon to the connecting pipe 7. The Freon is After entering the expansion valve 6 through the connecting pipe 7, it is converted into gaseous low-temperature Freon by the action of the expansion valve 6, and the temperature of the connecting pipe 7 is reduced. The cooling of the connecting pipe 7 is realized by this reciprocating cycle. The humid air passes through the connecting pipe 7 and condenses into liquid water on the connecting pipe 7. The liquid water flows along the connecting pipe 7 to the water collecting bucket 19 and finally flows into the water collecting tank 20. The dry gas is discharged from the output end of the air-conditioning outdoor unit 10. When the water in the water collecting tank 20 reaches the preset value, the air-conditioning outdoor unit 10 and the compressor 8 stop running, and then the water pump 21 is started to pump the water in the water tank to the outlet pipe 22 and then enter the main pipe 23 and finally spray onto the surface of the photovoltaic panel from the nozzle 24. At the same time, the waterproof electric push rod 28 is started to drive the positioning plate 27 to move along the surface of the photovoltaic panel, and the positioning plate 27 then drives the cleaning plate 25 and the cleaning brush 26 to clean the surface of the photovoltaic panel.

[0037] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A photovoltaic maintenance device for a high humidity environment, comprising a support frame (1) fixed to the bottom of a photovoltaic panel, characterized in that: A support (2) is fixedly provided on one side of the support frame (1), a rotating shaft (3) is rotatably connected to the inner side of the support frame (2), a rotating assembly is provided on one side of the rotating shaft (3), a case (4) is provided on one side of the support frame (1), a protective shell (5) is fixedly provided on the inner wall of the case (4), an expansion valve (6) is fixedly provided on the inner wall of the protective shell (5), a connecting pipe (7) is provided through the output end and the input end of the expansion valve (6), a compressor (8) is provided at the bottom of the expansion valve (6), and the output end and the input end of the compressor (8) are respectively connected through the two connecting pipes (7), Freon is provided inside the connecting pipe (7), one of the connecting pipes (7) is connected to an evaporator (30), the evaporator (30) is fixedly connected to the protective shell (5), the compressor (8) is fixedly connected to the protective shell (5), a cleaning component is provided at the bottom of the chassis (4), a sieve plate (9) is fixedly provided on one side of the inner wall of the chassis (4), an air conditioner outdoor unit (10) is provided on the rear side of the sieve plate (9), the other connecting pipe (7) passes through the chassis (4) and is connected to the air conditioner outdoor unit (10), and the output end of the air conditioner outdoor unit (10) is connected to the chassis (4).

2. The photovoltaic maintenance device for high humidity environment according to claim 1, characterized in that: The rotating assembly comprises an L-shaped plate (11) fixed to the front side of the bracket (2); a waterproof motor (12) is fixedly provided on the front side of the L-shaped plate (11); the rotating shaft (3) passes through the bracket (2) and the L-shaped plate (11) and extends to the front side of the L-shaped plate (11); an output end of the waterproof motor (12) is fixedly connected to the rotating shaft (3); two connecting blocks (13) are fixedly provided on the outer side of the rotating shaft (3); and a U-shaped adsorption shell (14) is fixedly provided on the front side of each of the two connecting blocks (13).

3. The high humidity environment photovoltaic maintenance device according to claim 1, characterized in that: A connecting shell (15) is provided through the rear side of the U-shaped adsorption shell (14), a W-shaped adsorption shell (16) is provided through the top of the connecting shell (15), a wave adsorption shell (17) is provided through the top of the W-shaped adsorption shell (16), and two telescopic hoses (18) are provided through the bottom of the W-shaped adsorption shell (16), and both of the two telescopic hoses (18) are connected to the chassis (4).

4. The photovoltaic maintenance device for high humidity environment according to claim 1, characterized in that: The cleaning component comprises a water collecting hopper (19) penetrating the bottom of the chassis (4); a water collecting box (20) is provided penetrating the bottom of the water collecting hopper (19); and a water pump (21) is provided on the front side of the water collecting box (20).

5. The photovoltaic maintenance device for high humidity environment according to claim 4, characterized in that: The input end of the water pump (21) is connected to the water collecting tank (20), and the output end of the water pump (21) is provided with a water outlet pipe (22). One end of the water outlet pipe (22) is provided with a main pipe (23). The main pipe (23) is fixedly connected to the chassis (4), and one side of the main pipe (23) is provided with a plurality of nozzles (24).

6. The photovoltaic maintenance device for high humidity environment according to claim 5, characterized in that: A cleaning plate (25) is provided on one side of the nozzle (24), a cleaning brush (26) is fixedly provided at the bottom of the cleaning plate (25), positioning plates (27) are fixedly provided on both sides of the cleaning plate (25), and a waterproof electric push rod (28) is provided on one side of the two positioning plates (27).

7. The photovoltaic maintenance device for high humidity environment according to claim 6, characterized in that: The output end of the waterproof electric push rod (28) is fixedly connected to the positioning plate (27), and an L-shaped frame (29) is fixedly provided at one end of the waterproof electric push rod (28), and the L-shaped frame (29) is fixedly connected to the support plate.

Citation Information

Patent Citations

  • Photovoltaic maintenance device based on high-humidity environment

    CN116436393A