CN118100775A

CN118100775A - Periodic cleaning device for regional photovoltaic power station

Info

Publication number: CN118100775A
Application number: CN202211488125.4A
Authority: CN
Inventors: 林权; 何正东; 孙圆; 叶海瑞; 周卉香; 柏嵩; 张伟伟; 许冬书; 苏俊
Original assignee: State Power Investment Group Jiangsu New Energy Co ltd
Current assignee: State Power Investment Group Jiangsu New Energy Co ltd
Priority date: 2022-11-25
Filing date: 2022-11-25
Publication date: 2024-05-28

Abstract

The invention discloses a periodic cleaning device of a regional photovoltaic power station, which comprises a guide rail, a connecting seat and a cleaning component, wherein the connecting seat is arranged on the guide rail in a sliding manner, the connecting seat moves along the track of the guide rail, the cleaning component is supported on the connecting seat, the cleaning component comprises a blowing unit, a impurity removing unit, a spraying unit and an erasing unit, two groups of impurity removing units are arranged, the blowing unit and the spraying unit are distributed on two sides of the impurity removing unit, and the erasing unit is arranged on one side of the spraying unit. The invention uses the clean soft glue to adhere the hard pollutants with large particles from the photovoltaic plate at one time, can avoid the contact of the pollutants with the photovoltaic plate for the second time, thereby avoiding friction with the photovoltaic plate, avoiding damage to the photovoltaic plate, improving the working efficiency and prolonging the service life of the photovoltaic plate.

Description

Periodic cleaning device for regional photovoltaic power station

Technical Field

The invention relates to the technical field of photovoltaic power stations, in particular to a periodic cleaning device for regional photovoltaic power stations.

Background

The photovoltaic power station comprises a plurality of photovoltaic panels which are combined, the plurality of photovoltaic panels are distributed in an array mode, the larger the distribution range is, the wider the solar irradiation surface received by the photovoltaic panels is, the larger the generated energy is, and the photovoltaic panels used by the large photovoltaic power station are all in the tens of thousands or hundreds of thousands of quantity levels. Through practical investigation, the output power peak value of the photovoltaic panel can be reduced by about thirty percent if the photovoltaic panel is subjected to dust accumulation for a long time. In addition, the pollutants on the surface of the photovoltaic panel can also cause corrosion of the photovoltaic panel, or cause light spots caused by overhigh local temperature of the photovoltaic panel, so that the service life of the photovoltaic panel is reduced, and the safety of a photovoltaic power station can be influenced even when the temperature is serious. Because large photovoltaic power stations in China are generally located in remote areas with severe natural environments, the photovoltaic power stations are most often located in northwest areas. Because the northwest region is arid and rainy and has more dust and sand, and the region is far away from the water source, the precipitation amount is small, and the photovoltaic power station is difficult to effectively clean through natural washing of the rainwater. Therefore, in order to reduce the influence of the contamination shielding of the photovoltaic module, which leads to the reduction of the power generation amount, it is necessary to clean the photovoltaic module at a prescribed period, and since the number of photovoltaic panels in the photovoltaic power station is large, the photovoltaic panels in a certain area are cleaned with the same cleaning apparatus.

When the photovoltaic panel is cleaned in the prior art, clear water is sprayed to the surface of the photovoltaic panel, and then cleaning tools such as scouring pads are used for wiping the surface of the photovoltaic panel until the surface pollutants are cleaned, and the scouring pads can drive the large particles to move when wiping due to the fact that the pollutants comprise large-particle sand and hard bird droppings, so that scratches can be generated on the surface of the photovoltaic panel, and the service life of the photovoltaic panel is reduced.

Disclosure of Invention

The invention aims to provide a periodic cleaning device for a regional photovoltaic power station, which aims to solve the problems in the background technology.

In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides a regional photovoltaic power plant cycle cleaning device, includes guide rail, connecting seat and clean subassembly, the connecting seat slides and locates on the guide rail, the connecting seat is followed the orbit of guide rail removes, clean subassembly supports on the connecting seat, clean subassembly includes blowing unit, edulcoration unit, sprays unit and erases the unit, wherein the edulcoration unit is equipped with two sets of, the edulcoration unit both sides distribution be respectively blowing unit with spray unit, it locates to erase the unit spray unit one side.

Further, the edulcoration unit includes connection box one, connection box one inner wall is equipped with the commentaries on classics roller one of rotating the connection, the roller one is inside to be hollow, be equipped with a plurality of through-hole one on the roller one lateral wall, roller one is inside to be equipped with synchronous pivoted pivot one, the cover is equipped with the gas jacket in the pivot one outside, in the cavity of roller one with annotate between the gas jacket and be full of clean flexible glue, a plurality of through-hole two have been seted up on the lateral wall of pivot one, the gas tube extends to inside the cavity of pivot one.

Further, the inflation tube can be connected with the blower by adopting the prior art, and sufficient gas can be injected into the first rotating shaft.

Further, the first rotating shaft is connected with the inflation tube through the rotating interface, so that the inflation tube can not rotate when the first rotating shaft rotates.

Further, a first cavity is formed in the inner wall of the first connecting box, a first scraper with elastic support is arranged on the inner wall of the first cavity, the first scraper is obliquely arranged, and one end of the first scraper extends to be in contact with the outer wall of the rotating roller.

Further, the first scraping plate is elastically supported in the first cavity through shock absorption columns at two sides, a second rotating shaft in rotating connection is arranged at the bottom of the first scraping plate, a plurality of protrusions are arranged on the outer wall of the second rotating shaft, and one end of the second rotating shaft is connected with an output shaft of the first motor.

Furthermore, the first inner wall of the cavity is provided with a second scraping plate, the second scraping plate is slidably arranged in the first cavity through a first driving piece with a sliding rail, and the second scraping plate can be driven to scrape the inside of the first cavity through the driving piece.

Further, the first driving part for driving the second scraping plate to move along the sliding rail can adopt a conventional means in the prior art, so that the second scraping plate scrapes the interior of the first hollow cavity.

Further, the one end of the rotating roller extends to the outer side of the first connecting box, a first gear is sleeved on the outer wall of the first rotating roller, a second gear is meshed with the first gear, the second gear is sleeved on an output shaft of the second motor, and the second motor is fixedly supported on the outer wall of the first connecting box.

Further, the erasing unit comprises a second connecting box, a second cavity is formed in the inner wall of the second connecting box, a second rotating roller which is connected in a rotating mode is symmetrically arranged on two sides of the inner wall of the second cavity, cleaning cloth is sleeved on the outer wall of the second rotating roller, a water guide groove is formed between the cleaning cloth and the second inner wall of the cavity, a water pressing roller is arranged above the water guide groove in a sliding mode, and a plurality of second spray heads are arranged above the water pressing roller on the inner wall of the cavity.

Further, a drain hole is arranged in the water guide groove, and the water can be discharged through the drain hole when the water is stored in a certain amount.

Further, the inner wall of the water pressing roller is provided with a rotating shaft III which is rotationally connected, the rotating shaft III is in sliding connection with the cavity II through a driving piece II with a sliding rail, and the inner wall of the water guiding groove is provided with a filter screen in a matching mode.

Further, the second driving part for driving the third rotating shaft to move along the sliding rail can adopt a conventional means in the prior art, so that the third rotating shaft drives the water pressing roller to horizontally move, and the water pressing roller presses out sewage in the cleaning cloth.

Further, the blowing unit comprises a blowing hopper, and the blowing hopper is obliquely arranged.

Further, the blowing hopper can be connected with a blower by adopting a conventional means in the prior art, and pollutants on the photovoltaic panel are blown off by utilizing the discharged airflow.

Further, the spraying unit comprises a water storage box and a first spray head, and the first spray heads are communicated with the water storage box.

Furthermore, the clean water in the water storage box is sprayed on the photovoltaic panel through the first spray head by adopting the conventional technical means in the prior art, and the photovoltaic panel is cleaned again.

The beneficial effects achieved by the invention are as follows:

1. The invention uses the clean soft glue to adhere the hard pollutants with large particles from the photovoltaic plate at one time, can avoid the contact of the pollutants with the photovoltaic plate for the second time, thereby avoiding friction with the photovoltaic plate, avoiding damage to the photovoltaic plate, improving the working efficiency and prolonging the service life of the photovoltaic plate.

2. According to the invention, part of pollutants on the photovoltaic panel are blown off by utilizing wind power, and the rest pollutants are stuck off by utilizing the cleaning soft glue, so that the purpose of anhydrous cleaning of the pollutants is realized, and a certain amount of clean water is sprayed on the photovoltaic panel in the later period.

3. The invention can quickly clean the used cleaning cloth, realizes the purpose of recycling the cleaning cloth, has a simple and quick cleaning mode, does not need manual work, is efficient and quick, does not influence the continuous work of the wiping unit, and greatly improves the working efficiency of cleaning the photovoltaic panel.

Drawings

FIG. 1 is a front view of the entire present invention;

FIG. 2 is a side cross-sectional view of the cleaning assembly of the present invention;

FIG. 3 is a side cross-sectional view of the impurity removal unit of the present invention;

FIG. 4 is a side view of a first roller of the present invention;

FIG. 5 is a side cross-sectional view of a first flight of the present invention;

In the figure: 1. a guide rail; 2. a connecting seat; 3. a cleaning assembly; 4. a blowing unit; 5. a impurity removing unit; 6. a spraying unit; 7. an erasing unit; 8. a first connecting box; 9. a first rotating roller; 10. a first through hole; 11. a first rotating shaft; 12. an air jacket; 13. a first cavity; 14. a first scraping plate; 15. a shock-absorbing column; 16. a second rotating shaft; 17. a first motor; 18. a second scraping plate; 19. a first gear; 20. a second gear; 21. a second motor; 22. a second connecting box; 23. a second rotating roller; 24. a cleaning cloth; 25. a water guide groove; 26. a water pressing roller; 27. a second nozzle; 28. a third rotating shaft; 29. a filter screen; 30. a blowing hopper; 31. a water storage box; 32. and a first spray head.

Detailed Description

The invention is further described below with reference to the accompanying drawings.

Referring to fig. 1-5, the present invention provides the following technical solutions: the utility model provides a regional photovoltaic power plant cycle cleaning device, includes guide rail 1, connecting seat 2 and clean subassembly 3, connecting seat 2 slides and locates on the guide rail 1, connecting seat 2 is followed the orbit of guide rail 1 removes, clean subassembly 3 supports on the connecting seat 2, clean subassembly 3 includes blowing unit 4, edulcoration unit 5, sprays unit 6 and erases unit 7, wherein edulcoration unit 5 is equipped with two sets of, the distribution of edulcoration unit 5 both sides is respectively blowing unit 4 with spray unit 6, erase unit 7 locates spray unit 6 one side.

The guide rail 1 can be paved on one side of the photovoltaic panel, the guide rail 1 can be paved according to the shape of the photovoltaic panel array, the connecting seat 2 can move along the track of the guide rail 1, so that the connecting seat 2 can drive the cleaning assembly 3 to move, the cleaning assembly 3 can clean the photovoltaic panel in a specified area, and at the moment, the connecting seat 2 is driven to move along the guide rail 1 in a conventional mode in the prior art.

And the blowing unit 4 is positioned at the forefront end of the moving direction of the cleaning component 3, so that pollutants with low viscosity on the photovoltaic panel can be blown off by the blowing unit 4, then the pollutants which can not be blown off by the impurity removing unit 5 are cleaned, then the spraying unit 6 can spray mist water on the photovoltaic panel, and finally the moisture and residual part of dust on the photovoltaic panel are wiped off by the wiping unit 7.

The blowing unit 4 comprises a blowing hopper 30, and the blowing hopper 30 is obliquely arranged.

The blowing unit 4 is in operation, the blowing bucket 30 is connected with the blower, and the blowing bucket 30 is inclined with the photovoltaic panel, so that the blown wind blows the top pollutant on the top of the photovoltaic panel forward.

The impurity removing unit 5 comprises a first connecting box 8, a first rotating roller 9 which is rotationally connected is arranged on the inner wall of the first connecting box 8, a plurality of first through holes 10 are formed in the side wall of the first rotating roller 9, a first rotating shaft 11 which synchronously rotates is arranged in the first rotating roller 9, an air jacket 12 is sleeved outside the first rotating shaft 11, clean soft rubber is filled between the inner cavity of the first rotating roller 9 and the air jacket 12, a plurality of second through holes are formed in the side wall of the first rotating shaft 11, and an air charging pipe extends to the inner cavity of the first rotating shaft 11.

The inner wall of the first connecting box 8 is provided with a first cavity 13, the inner wall of the first cavity 13 is provided with a first scraper 14 which is elastically supported, the first scraper 14 is obliquely arranged, and one end of the first scraper 14 extends to be in contact with the outer wall of the first rotating roller 9.

The first scraping plate 14 is elastically supported in the first cavity 13 through shock absorption columns 15 on two sides, a second rotating shaft 16 in rotating connection is arranged at the bottom of the first scraping plate 14, a plurality of protrusions are arranged on the outer wall of the second rotating shaft 16, and one end of the second rotating shaft 16 is connected with an output shaft of the first motor 17.

The inner wall of the first cavity 13 is provided with a second scraping plate 18, the second scraping plate 18 is slidably arranged in the first cavity 13 through a first driving part with a sliding rail, the first driving part can drive the second scraping plate 18 to scrape the inside of the first cavity 13, and the first driving part can adopt a mode of driving the second scraping plate 18 to horizontally move in a conventional technical means.

One end of the first rotating roller 9 extends to the outer side of the first connecting box 8, a first gear 19 is sleeved on the outer wall of the first rotating roller 9, a second gear 20 is meshed with the first gear 19, the second gear 20 is sleeved on an output shaft of a second motor 21, and the second motor 21 is fixedly supported on the outer wall of the first connecting box 8.

When the impurity removing unit 5 works, the cleaning assembly 3 is driven to translate by sliding the connecting seat 2 in the guide rail 1, meanwhile, the air is injected into the air sleeve 12 through the through hole of the first rotating shaft 11 by utilizing the air tube, so that the air sleeve 12 is inflated to extrude cleaning soft rubber, part of cleaning software is extruded from the first through hole 10, the first motor 17 can be started to drive the second gear 20 to rotate, the second gear 20 can drive the meshed first gear 19 to rotate, the first gear 19 can drive the first rotating shaft 11 to rotate, so that the first rotating shaft 11 and the first rotating shaft 9 can synchronously rotate, the first rotating shaft 9 can horizontally move and simultaneously rotate, the air blowing hopper 30 can firstly blow off the pollutant which can be blown off when the cleaning assembly 3 moves onto the photovoltaic panel, and then the cleaning soft rubber extruded out of the outer wall of the first rotating shaft 9 can adhere the pollutant to the photovoltaic panel, so that the residual pollutant can be cleaned from the photovoltaic panel immediately, and the pollutant can not contact the photovoltaic panel for the second time, so that the pollutant can not rub against the photovoltaic panel, and the photovoltaic panel can not be damaged.

When the first rotating roller 9 drives the cleaning soft rubber adhered with the pollutants to rotate to one side of the first scraping plate 14, the first scraping plate 14 scrapes the cleaning soft rubber from the outside of the first rotating roller 9, and the air charging pipe is controlled to charge air into the cleaning soft rubber according to the pressure in the air jacket 12 detected by the sensor, so that the cleaning soft rubber can be extruded again from the through hole 10 which is just scraped, and the first rotating roller 9 can be ensured to continuously clean the pollutants on the photovoltaic panel.

Meanwhile, the motor II 21 drives the rotating shaft II 16 to rotate when rotating, the motor II drives the protrusion to rotate, two states exist between the protrusion and the scraping plate I14, one state is in contact with the scraping plate I14, the other state is not in contact with the scraping plate I14, the scraping plate I14 can be jacked up when in contact, the scraping plate I14 can fall down through gravity when not in contact, so that the scraping plate I14 can vibrate, the scraped cleaning soft rubber can fall into the cavity I13, the scraping plate II 18 can be controlled to move periodically, the scraping plate II can scrape the cleaning soft rubber in the cavity to one end of the cavity I13, and cleaning soft rubber in the cavity I13 can be cleaned conveniently.

The spraying unit 6 comprises a water storage box 31 and a first spray head 32, and a plurality of first spray heads 32 are communicated with the water storage box 31.

When the spraying unit 6 works, clean water in the water storage box 31 can be uniformly sprayed on the photovoltaic panel through the first spray head 32, and the clean water can be sprayed by adopting the conventional means.

The erasing unit 7 comprises a second connecting box 22, a second cavity is formed in the inner wall of the second connecting box 22, a second rotating roller 23 which is connected in a rotating mode is symmetrically arranged on two sides of the inner wall of the second cavity, cleaning cloth 24 is sleeved on the outer wall of the second rotating roller 23, a water guide groove 25 is formed in the inner wall of the second cavity between the cleaning cloth 24, a water squeezing roller 26 is slidably arranged above the water guide groove 25, and a plurality of spray heads II 27 are arranged above the water squeezing roller 26 on the inner wall of the second cavity.

The inner wall of the water pressing roller 26 is provided with a rotating shaft III 28 which is rotationally connected, the rotating shaft III 28 is in sliding connection with the cavity II through a driving piece II with a sliding rail, and a filter screen 29 is arranged on the inner wall of the water guiding groove 25 in a matching way.

When the erasing unit 7 works, the second connecting box 22 horizontally moves drives the cleaning cloth 24 to move, so that the cleaning cloth 24 wipes the surface of the photovoltaic panel sprayed with water, the surface of the photovoltaic panel can be guaranteed not to have residual pollutants, the surface of the photovoltaic panel is guaranteed to be dry and free of water drops, after a certain period of use, a motor connected with the second rotating roller 23 can be started to drive the second rotating roller 23 to rotate, the second rotating roller 23 can drive the cleaning cloth 24 to move, the used section of cleaning cloth 24 is moved to the upper part of the filter screen 29, at the moment, the second driving part can be utilized to drive the third rotating shaft 28 to move along the track of the sliding rail, at the moment, the water pressing roller 26 rolls on the cleaning cloth 24 and presses the cleaning cloth, so that internal sewage is pressed out, meanwhile, the second spray nozzle 27 can spray clean water on the cleaning cloth 24, then the water pressing roller 26 continues to press the photovoltaic panel, the process can be repeated three to four times, and the used cleaning cloth 24 can be cleaned, and the internal water is pressed out to enable the cleaning cloth to wipe the surface of the photovoltaic panel again.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Regional photovoltaic power plant cycle cleaning device, its characterized in that: including guide rail (1), connecting seat (2) and clean subassembly (3), connecting seat (2) are slided and are located on guide rail (1), connecting seat (2) are followed the orbit of guide rail (1) removes, clean subassembly (3) support on connecting seat (2), clean subassembly (3) are including blowing unit (4), edulcoration unit (5), spray unit (6) and erase unit (7), wherein edulcoration unit (5) are equipped with two sets of, be that edulcoration unit (5) both sides distribute respectively blowing unit (4) with spray unit (6), erase unit (7) and locate spray unit (6) one side.

2. The regional photovoltaic power plant cycle cleaning apparatus of claim 1, wherein: the impurity removing unit (5) comprises a first connecting box (8), a first rotating roller (9) connected in a rotating mode is arranged on the inner wall of the first connecting box (8), a first rotating roller (9) is hollow, a plurality of first through holes (10) are formed in the side wall of the first rotating roller (9), a first rotating shaft (11) capable of synchronously rotating is arranged in the first rotating roller (9), an air jacket (12) is sleeved outside the first rotating shaft (11), clean soft rubber is filled between the inner cavity of the first rotating roller (9) and the air jacket (12), a second through holes are formed in the side wall of the first rotating shaft (11), and an air charging pipe extends to the inside of the cavity of the first rotating shaft (11).

3. A regional photovoltaic power plant cycle cleaning apparatus as claimed in claim 2, wherein: the inner wall of the first connecting box (8) is provided with a first cavity (13), the inner wall of the first cavity (13) is provided with a first scraper (14) which is elastically supported, the first scraper (14) is obliquely arranged, and one end of the first scraper (14) extends to be in contact with the outer wall of the first rotating roller (9).

4. A regional photovoltaic power plant cycle cleaning apparatus as claimed in claim 3, wherein: the first scraping plate (14) is elastically supported in the first cavity (13) through shock absorption columns (15) at two sides, a second rotating shaft (16) in rotating connection is arranged at the bottom of the first scraping plate (14), a plurality of protrusions are arranged on the outer wall of the second rotating shaft (16), and one end of the second rotating shaft (16) is connected with an output shaft of the first motor (17).

5. A regional photovoltaic power plant cycle cleaning apparatus as claimed in claim 3, wherein: the inner wall of the first cavity (13) is provided with a second scraping plate (18), the second scraping plate (18) is slidably arranged in the first cavity (13) through a first driving piece with a sliding rail, and the second scraping plate (18) can be driven to scrape the interior of the first cavity (13) through the driving piece.

6. A regional photovoltaic power plant cycle cleaning apparatus as claimed in claim 2, wherein: one end of the first rotating roller (9) extends to the outer side of the first connecting box (8), a first gear (19) is sleeved on the outer wall of the first rotating roller (9), a second gear (20) is meshed with the first gear (19), the second gear (20) is sleeved on an output shaft of the second motor (21), and the second motor (21) is fixedly supported on the outer wall of the first connecting box (8).

7. The regional photovoltaic power plant cycle cleaning apparatus of claim 1, wherein: the erasing unit (7) comprises a second connecting box (22), a second cavity (26) is formed in the inner wall of the second connecting box (22), two rotating rollers (23) which are connected in a rotating mode are symmetrically arranged on two sides of the inner wall of the second cavity, cleaning cloth (24) is sleeved on the outer wall of the second rotating roller (23), a water guide groove (25) is formed in the second inner wall of the cavity between the cleaning cloth (24), a water pressing roller (26) is arranged above the water guide groove (25) in a sliding mode, and a plurality of spray heads (27) are arranged above the water pressing roller (26) on the inner wall of the cavity.

8. The regional photovoltaic power plant cycle cleaning apparatus of claim 7, wherein: the inner wall of the water pressing roller (26) is provided with a rotating shaft III (28) which is rotationally connected, the rotating shaft III (28) is in sliding connection with the cavity II through a driving piece II with a sliding rail, and a filter screen (29) is arranged on the inner wall of the water guiding groove (25) in a matching mode.

9. The regional photovoltaic power plant cycle cleaning apparatus of claim 1, wherein: the blowing unit (4) comprises a blowing hopper (30), and the blowing hopper (30) is obliquely arranged.

10. The regional photovoltaic power plant cycle cleaning apparatus of claim 1, wherein: the spraying unit (6) comprises a water storage box (31) and a first spray head (32), and a plurality of first spray heads (32) are communicated with the water storage box (31).