CN108176660A - One kind is convenient for clean solar panel - Google Patents

One kind is convenient for clean solar panel Download PDF

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Publication number
CN108176660A
CN108176660A CN201810225171.2A CN201810225171A CN108176660A CN 108176660 A CN108176660 A CN 108176660A CN 201810225171 A CN201810225171 A CN 201810225171A CN 108176660 A CN108176660 A CN 108176660A
Authority
CN
China
Prior art keywords
solar panel
roller
backplate
convenient
telescoping tube
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN201810225171.2A
Other languages
Chinese (zh)
Inventor
孙晓
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhengzhou Heng Bo Amperex Technology Ltd
Original Assignee
Zhengzhou Heng Bo Amperex Technology Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhengzhou Heng Bo Amperex Technology Ltd filed Critical Zhengzhou Heng Bo Amperex Technology Ltd
Priority to CN201810225171.2A priority Critical patent/CN108176660A/en
Publication of CN108176660A publication Critical patent/CN108176660A/en
Withdrawn legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/04Cleaning involving contact with liquid
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B1/00Cleaning by methods involving the use of tools
    • B08B1/10Cleaning by methods involving the use of tools characterised by the type of cleaning tool
    • B08B1/12Brushes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B1/00Cleaning by methods involving the use of tools
    • B08B1/10Cleaning by methods involving the use of tools characterised by the type of cleaning tool
    • B08B1/16Rigid blades, e.g. scrapers; Flexible blades, e.g. wipers
    • B08B1/165Scrapers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B1/00Cleaning by methods involving the use of tools
    • B08B1/30Cleaning by methods involving the use of tools by movement of cleaning members over a surface
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B1/00Cleaning by methods involving the use of tools
    • B08B1/30Cleaning by methods involving the use of tools by movement of cleaning members over a surface
    • B08B1/32Cleaning by methods involving the use of tools by movement of cleaning members over a surface using rotary cleaning members
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B13/00Accessories or details of general applicability for machines or apparatus for cleaning
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02SGENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S40/00Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
    • H02S40/10Cleaning arrangements
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy

Landscapes

  • Cleaning In General (AREA)

Abstract

The invention discloses one kind to be convenient for clean solar panel, belong to new energy engineering device technique field, clean in the prior art to solar panel progress for solving, flushing water splashes, and the problem of flushing water residence time on solar panel is short, and cleaning performance is bad.The present invention includes, it is arranged on the high-end lifting gear of placement plate, hollow roller is provided with above solar panel, roller is provided with several apopores, hairbrush is arranged with outside roller, the left and right ends of roller respectively with the first backplate, second backplate is connected with each other, the first backplate side wall identical with the second backplate is both provided with the sliding slot slided for roller, the both ends of roller are connected separately with the first telescoping tube and the second telescoping tube that can be stretched, the lower end of first telescoping tube and the second telescoping tube is connected with water tank, the side of roller is additionally provided with the pushing meanss for roller to be driven to be moved on solar panel.

Description

One kind is convenient for clean solar panel
Technical field
The present invention relates to new energy engineering device technique fields, are convenient for clean solar cell more particularly to one kind Plate.
Background technology
Solar energy (solar energy) refers to the infrared radiant energy of the sun, and main performance is exactly the sunray often said. Modern times are typically used as generating electricity or provide the energy for water heater.Solar energy have no region limitation, no matter land or ocean, No matter high mountain or island, all have everywhere, can directly develop and utilize, convenient for acquisition, and need not exploitation and transport;It develops and uses Solar energy does not pollute the environment, and is most one of clear energy sources, and in environmental pollution increasingly severe today, this point is that more foot is precious Expensive.Solar panel (Solar panel) is by absorbing sunlight, and solar radiant energy is passed through photoelectric effect or light Chemical effect is converted directly or indirectly into the device of electric energy, and the main material of most of solar panel is " silicon ".
Solar panel is after installing, and the inclination angle of solar panel and horizontal plane keeps certain, to solar-electricity When pond plate is cleaned, flow velocity of the water on solar panel keeps certain, but attached in solar panel surface contaminants It excessively, cleaning solution is needed to carry out long period immersion in order to which hairbrush cleans the dirt of attachment, just needs the sun at this time The inclination reading of energy solar panel and horizontal plane is smaller, while the gradient of solar panel and horizontal plane can be extensive after cleaning State is more preferably to receive the radiation of the sun before multiple;When being cleaned to solar panel, effluent charge subtracts the prior art, right Ambient enviroment causes secondary pollution, while when solar cell plate surface is rinsed, flushing effect is bad, some are tightly attached The dirt in solar cell plate surface is not easy to be rinsed.
Invention content
It is an object of the invention to:It is clean in the prior art to solar panel progress in order to solve, rinse fine grinding It splashes and the problem of flushing water residence time on solar panel is short, and cleaning performance is bad, the present invention provides one kind and is convenient for Clean solar panel.
The present invention specifically uses following technical scheme to achieve these goals:
One kind, including tilted-putted placement plate, day is provided in the placement plate convenient for clean solar panel Positive energy solar panel, the placement plate low side are provided with supporting leg, and the high-end of the placement plate is provided with lifting gear, the placement plate On to be additionally provided with positioned at solar panel both sides be hollow the first backplate and the second backplate, the solar panel Top is provided with hollow roller, and the roller is provided with several apopores, hairbrush is arranged with outside the roller, the roller Left and right ends are connected with each other respectively with the first backplate, the second backplate, and first backplate side wall identical with the second backplate is all provided with The sliding slot slided for roller is equipped with, the both ends of the roller are connected separately with the first telescoping tube that can be stretched and second and stretch Pipe, first telescopic shaft and the second telescopic shaft are respectively in the first backplate and the second backplate, first telescoping tube and the The lower end of two telescoping tubes is connected with water tank, and the lower end of first telescoping tube is provided with water pump, and the low side of the placement plate is also The discharge outlet for discharging waste water is provided with, the side of the roller is additionally provided with to drive roller in solar panel Mobile pushing meanss.
Preferably, it is connected with each other between the roller and hairbrush by multiple connecting rods, by connecting rod by roller and hair Brush separates, water from apopore spray when, to the space of one, the water buffering of ejection, avoid the water kinetic energy sprayed excessive, cause Splashes influence ambient enviroment.
Preferably, the lifting gear includes first hydraulic cylinder, the first telescopic shaft and placement plate of the first hydraulic cylinder High-end interconnection, placement plate rotates around low side, adjusts the inclined degree of solar panel and horizontal plane, reduce and tilt journey Spend so that water solar cell surface stop longer time in the case of equal water, the dirt to solar cell surface Object wetting is more thorough, reduces adsorption capacity of the dirt to surface.
Preferably, the gradient of the sliding slot is identical with the gradient of solar panel, when roller moves in sliding slot, It remains that the first hairbrush is in contact with the solar panel being placed in placement plate, the first hairbrush may be not present and be detached from the sun The problem of energy battery plate surface cannot play cleaning.
Preferably, the pushing meanss include first hydraulic cylinder, and the second telescopic shaft of the second hydraulic cylinder, which is connected with, to be pushed away Plate, the left and right ends of the push plate are connected separately with the first link block and the second link block, and first link block and second connect Block is connect to be connected with each other with the left and right ends of roller respectively.
Preferably, the baffle for preventing the fine grinding of hairbrush from splashing is additionally provided between the push plate and roller.
Preferably, the push plate lower end is additionally provided with for carrying out clean scraper plate to solar panel, positioned at washing The lower end setting scraper plate of the push plate at rear is brushed, the residual water after hairbrush cleans is cleared up, avoids residual water in the sun The surface of energy solar panel forms water spots so that cleaning is more thorough.
Preferably, four angles of the solar panel are both provided with limited block, and the limited block is additionally provided with spring, The spring is connected with the pressing plate for fixing solar panel, and limited block is set at four angles of solar panel, Two limited blocks that horizontal direction is oppositely arranged are provided with spring, and spring is connected with pressing plate, and solar panel is enable to limit Elasticity activity in the space that block allows, avoids in cleaning process and rigid collision occurs with cleaning device and solar panel, Damage solar panel.
The present invention operation principle and the course of work be:
Before solar panel cleaning is started, by adjusting second hydraulic cylinder, the second telescopic shaft is shunk, adjusts and places The height of plate reduces the gradient of placement plate and horizontal plane, makes water in the superficial residence sufficiently long time of solar panel, The wetting sufficient to the dust progress such as excrement of birds adhered on solar panel, reduces dust, the excrement of birds Deng the adhesive force to solar panel, make the dirt on hairbrush solar panel surface more easy to clean;Regulating placement plate Height after, open water pump, the lower end of telescoping tube extend into water tank, by the effect of water pump, the water in water tank is extracted into and is stretched It in the draw, and then enters in roller, the left and right ends of roller are connected separately with the first telescoping tube and the second telescoping tube, and water is from One telescoping tube is entered in roller, and since roller is provided with several apopores, the water entered in roller is escaped by water outlet Go out to outside roller, but the most of water for being into roller cannot be immediately passed through and is all discharged to outside roller by osculum, if Cannot be in time by the second telescoping tube, hydraulic pressure of the water in roller is higher, from water drainage when kinetic energy it is excessive, cause to spray The water splashes gone out, but in the present invention pressure in roller is reduced by the way that the other end of roller is connected with the second telescoping tube Power so that the kinetic energy of the water sprayed from osculum is smaller, reaches and is soaked to hairbrush, and is carried out simultaneously to solar panel slight Flushing, the dirt on solar panel is soaked, reduces dirt and is attached to adhesive force on solar panel, with Just cleaning of the hairbrush to solar cell plate surface;The placement plate slant setting of the present invention, the first backplate and the second backplate are set Sliding slot it is identical with the gradient of placement plate, the both ends of roller are arranged in sliding slot, when roller moves in sliding slot, are remained Hairbrush is in contact with the solar panel being placed in placement plate, and hairbrush disengaging solar cell plate surface may be not present cannot The problem of playing cleaning;When water has been escaped on solar panel, hydraulic cylinder works, the telescopic shaft band of hydraulic cylinder are opened Push plate and roller are connected with each other by dynamic push plate movement, the first link block and the second link block so that real during hydraulic cylinder push-and-pull push plate Existing roller follows the movement of push plate and moves, and during movement, and telescoping tube can stretch, and water pump persistently draws water, and hold It is continuous that hairbrush is soaked and persistently solar cell plate surface is rinsed, to solar energy in hairbrush moving process When battery plate surface is cleaned, the scraper plate for being arranged on push plate lower end is clear by the water stain carry out of solar panel remained on surface It is clean, it avoids after the cleaning of hairbrush, it is remaining water stain water spots to be left on solar panel so that cleaning effect is more thorough Bottom;After cleaning, waste water is discharged to from discharge outlet outside placement plate, and is stretched by the second telescopic shaft of second hydraulic cylinder It is long, placement plate is jacked, increases the angle of placement plate and horizontal plane, preferably receives solar radiation.
Beneficial effects of the present invention are as follows:
1st, by setting lifting device, when needing to clean solar cell plate surface, reduce inclining for placement plate Gradient was allowed the water in the solar panel superficial residence longer time, and water soaks the dirt of solar cell plate surface more thorough Bottom reduces the adsorption capacity that dirt is surface, is easier the cleaning of hairbrush, and make cleaning more thorough.
2nd, by setting several apopores in roller, water pump enters the water in water tank after hose in roller, Roller both ends are respectively arranged with the first telescoping tube and the second telescoping tube, and the both ends of roller are connected, avoid hydraulic pressure mistake in roller Height, the kinetic energy that water is sprayed from apopore is excessive, in turn results in the water splashes of injection, water from apopore overflow ejection to hairbrush into Row wetting, and the water sprayed enters the surface of solar panel, and the dirt on surface is moistened, and reduces dirt to too The adhesive force of positive energy solar panel, cleans solar cell plate surface convenient for hairbrush, in a manner that hairbrush is soaked, While ensureing cleaning performance, flushing water is avoided to splash, influences ambient enviroment.
3rd, sliding slot is identical with the gradient of placement plate, when roller moves in sliding slot, remains the first hairbrush with placing Solar panel in placement plate is in contact, and the first hairbrush disengaging solar cell plate surface, which may be not present, cannot play clearly The problem of clean.
4th, by setting scraper plate in the lower end of the push plate positioned at hairbrush rear, the residual water after hairbrush cleans is carried out Cleaning avoids residual water from forming water spots on the surface of solar panel so that cleaning is more thorough.
5th, by setting limited block, two limited blocks that horizontal direction is oppositely arranged at four angles of solar panel Spring is provided with, spring is connected with pressing plate, enables elasticity activity in the space that solar panel allows in limited block, avoids Rigid collision occurs with cleaning device and solar panel in cleaning process, damages solar panel.
Description of the drawings
Fig. 1 is the overlooking the structure diagram of the present invention;
Fig. 2 is the end structure illustration of the present invention;
Fig. 3 is the runner position schematic diagram of the present invention;
Fig. 4 is the connection diagram of roller and hairbrush;
Fig. 5 is the structure diagram of limited block and solar panel;
Reference numeral:1- solar panels, 2- placement plates, the second telescoping tubes of 3-, the second backplates of 4-, 5- pushing meanss, 6- first hydraulic cylinders, the first telescopic shafts of 7-, 8- push plates, the first backplates of 9-, 10- hairbrush, 11- rollers, the first telescoping tubes of 12-, 13- Water pump, 14- water tanks, 15- second hydraulic cylinders, the second telescopic shafts of 16-, 17- scraper plates, 18- baffles, 19- sliding slots, 20- connecting rods, 21- apopores, 22- limited blocks, 23- springs, 24- pressing plates, 25- lifting gears, 26- supporting legs, the first link blocks of 27-, 28- second Link block, 29- discharge outlet.
Specific embodiment
In order to which those skilled in the art are better understood from the present invention, below in conjunction with the accompanying drawings with following embodiment to the present invention It is described in further detail.
The present invention's is convenient for clean solar panel, including tilted-putted placement plate 2, is set in the placement plate 2 It is equipped with solar panel 1, which is characterized in that 2 low side of placement plate is provided with supporting leg 26, and the high-end of placement plate 2 sets Lifting gear 25 is equipped with, it is the first hollow backplate to be additionally provided in the placement plate 2 positioned at 1 both sides of solar panel 9 and second backplate 4,1 top of solar panel be provided with hollow roller 11, the roller 11 is provided with several water outlets Hole 21, is arranged with hairbrush 10 outside the roller 11, the left and right ends of the roller 11 respectively with the first backplate 9,4 phase of the second backplate It connects, first backplate 9 side wall identical with the second backplate 4 is both provided with the sliding slot 19 slided for roller 11, described The both ends of roller 11 are connected separately with the first telescoping tube 12 and the second telescoping tube 3 that can be stretched, first telescopic shaft 7 and Two telescopic shafts 16 are located in the first backplate 9 and the second backplate 4 respectively, the lower end of 12 and second telescoping tube 3 of the first telescoping tube Water tank 14 is connected with, the lower end of first telescoping tube 12 is provided with water pump 13, and the low side of the placement plate 2 is additionally provided with use In the discharge outlet of discharge waste water, the side of the roller 11 is additionally provided with that roller 11 is driven to move up in solar panel 1 Dynamic pushing meanss 5.
As preference, it is connected with each other between the roller 11 and hairbrush 10 by multiple connecting rods 20
As preference, the lifting gear 25 includes first hydraulic cylinder 6, the first telescopic shaft 7 of the first hydraulic cylinder 6 With the high-end interconnection of placement plate 2.
As preference, the gradient of the sliding slot 19 is identical with the gradient of solar panel 1.
As preference, the pushing meanss 5 include first hydraulic cylinder 6, the second telescopic shaft of the second hydraulic cylinder 15 16 are connected with push plate 8, and the left and right ends of the push plate 8 are connected separately with the first link block and the second link block, and described first connects Block and the second link block is connect to be connected with each other with the left and right ends of roller 11 respectively.
As preference, the baffle for preventing the fine grinding of hairbrush 10 from splashing is additionally provided between the push plate 8 and roller 11 18。
As preference, 8 lower end of push plate is additionally provided with to carry out solar panel 1 clean scraper plate 17.
As preference, four angles of the solar panel 1 are both provided with limited block 22, the limited block 22 is also set Spring 23 is equipped with, the spring 23 is connected with the pressing plate 24 for fixing solar panel 1.
The above, only presently preferred embodiments of the present invention, are not intended to limit the invention, patent protection model of the invention It encloses and is subject to claims, the equivalent structure variation that every specification and accompanying drawing content with the present invention is made, similarly It should include within the scope of the present invention.

Claims (8)

1. one kind, including tilted-putted placement plate (2), is set convenient for clean solar panel in the placement plate (2) There is solar panel (1), which is characterized in that placement plate (2) low side is provided with supporting leg (26), the placement plate (2) High-end to be provided with lifting gear (25), it is sky to be additionally provided on the placement plate (2) positioned at solar panel (1) both sides The first backplate (9) of the heart and the second backplate (4), solar panel (1) top is provided with hollow roller (11), described Roller (11) is provided with several apopores (21), and hairbrush (10), the left and right of the roller (11) are arranged with outside the roller (11) Both ends are connected with each other respectively with the first backplate (9), the second backplate (4), and first backplate (9) is identical with the second backplate (4) Side wall is both provided with the sliding slot (19) slided for roller (11), and the both ends of the roller (11) are connected separately with what can be stretched First telescoping tube (12) and the second telescoping tube (3), first telescopic shaft (7) are located at the first shield with the second telescopic shaft (16) respectively Plate (9) is interior with the second backplate (4), and first telescoping tube (12) and the lower end of the second telescoping tube (3) are connected with water tank (14), The lower end of first telescoping tube (12) is provided with water pump (13), and the low side of the placement plate (2) is additionally provided with useless for discharging The discharge outlet (29) of water, the side of the roller (11) are additionally provided with to drive roller (11) in solar panel (1) Mobile pushing meanss (5).
2. according to claim 1 be convenient for clean solar panel, which is characterized in that the roller (11) and hairbrush (10) it is connected with each other between by multiple connecting rods (20).
3. according to claim 1 be convenient for clean solar panel, which is characterized in that lifting gear (25) packet Include first hydraulic cylinder (6), the first telescopic shaft (7) of the first hydraulic cylinder (6) and the high-end interconnection of placement plate (2).
4. according to claim 1 be convenient for clean solar panel, which is characterized in that the inclination of the sliding slot (19) Degree is identical with the gradient of solar panel (1).
5. according to claim 1 be convenient for clean solar panel, which is characterized in that pushing meanss (5) packet First hydraulic cylinder (6) is included, the second telescopic shaft (16) of the second hydraulic cylinder (15) is connected with push plate (8), the push plate (8) Left and right ends are connected separately with the first link block (27) and the second link block (28), and first link block (27) connect with second Block (28) is connected with each other respectively with the left and right ends of roller (11).
6. according to claim 1 be convenient for clean solar panel, which is characterized in that the push plate (8) and roller (11) baffle (18) for preventing the fine grinding of hairbrush (10) from splashing is additionally provided between.
7. according to claim 1 be convenient for clean solar panel, which is characterized in that push plate (8) lower end is also It is provided with to carry out clean scraper plate (17) to solar panel (1).
8. according to claim 1 be convenient for clean solar panel, which is characterized in that the solar panel (1) four angles are both provided with limited block (22), and the limited block (22) is additionally provided with spring (23), spring (23) connection It is useful for the pressing plate (24) of fixed solar panel (1).
CN201810225171.2A 2018-03-19 2018-03-19 One kind is convenient for clean solar panel Withdrawn CN108176660A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810225171.2A CN108176660A (en) 2018-03-19 2018-03-19 One kind is convenient for clean solar panel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810225171.2A CN108176660A (en) 2018-03-19 2018-03-19 One kind is convenient for clean solar panel

Publications (1)

Publication Number Publication Date
CN108176660A true CN108176660A (en) 2018-06-19

Family

ID=62553804

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810225171.2A Withdrawn CN108176660A (en) 2018-03-19 2018-03-19 One kind is convenient for clean solar panel

Country Status (1)

Country Link
CN (1) CN108176660A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108655079A (en) * 2018-06-27 2018-10-16 芜湖盘云石磨新能源科技有限公司 A kind of solar panel cleaning device
CN109894398A (en) * 2019-03-26 2019-06-18 平庆义 A kind of mechanical equipment is polished device
CN111878878A (en) * 2020-08-03 2020-11-03 杭州光旭绿色能源科技有限公司 Solar heating equipment
CN114472247A (en) * 2022-01-11 2022-05-13 浙江鑫祥新能源科技股份有限公司 Solar photovoltaic power generation device with cleaning function
WO2023045026A1 (en) * 2021-09-22 2023-03-30 湖南京能新能源科技有限公司 Photovoltaic street lamp having self-cleaning function

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108655079A (en) * 2018-06-27 2018-10-16 芜湖盘云石磨新能源科技有限公司 A kind of solar panel cleaning device
CN109894398A (en) * 2019-03-26 2019-06-18 平庆义 A kind of mechanical equipment is polished device
CN109894398B (en) * 2019-03-26 2020-12-04 黄海英 Mechanical equipment oil wiping device
CN111878878A (en) * 2020-08-03 2020-11-03 杭州光旭绿色能源科技有限公司 Solar heating equipment
WO2023045026A1 (en) * 2021-09-22 2023-03-30 湖南京能新能源科技有限公司 Photovoltaic street lamp having self-cleaning function
CN114472247A (en) * 2022-01-11 2022-05-13 浙江鑫祥新能源科技股份有限公司 Solar photovoltaic power generation device with cleaning function

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Application publication date: 20180619