CN113992144A - Photovoltaic cell panel with dustproof function - Google Patents
Photovoltaic cell panel with dustproof function Download PDFInfo
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- CN113992144A CN113992144A CN202111406884.7A CN202111406884A CN113992144A CN 113992144 A CN113992144 A CN 113992144A CN 202111406884 A CN202111406884 A CN 202111406884A CN 113992144 A CN113992144 A CN 113992144A
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- photovoltaic
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/10—Cleaning arrangements
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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Abstract
本发明公开了一种具有防尘功能的光伏电池板，涉及光伏电池板领域，针对现有的光伏电池板在使用时，需要定期检查电池板表面有无灰尘或遮盖物，通过人工手动清理，效率较低的问题，现提出如下方案，其包括用于支撑固定的支撑机构，还包括用于吸收太阳辐射能的光伏机构，且所述光伏机构位于支撑机构的顶端，所述顶端光伏机构的两侧内嵌设置有用于清理水渍的除水机构，且所述光伏机构的内壁设置有用于清理表面灰尘的除尘机构。本发明结构新颖，且该装置不仅可以将光伏板本体上的灰尘清理干净，避免光伏板上灰尘过多影响使用的问题，避免了人工清理，提高了工作效率，同时避免雨后雨水积累在光伏板本体上，影响光伏板本体使用的问题。
The invention discloses a photovoltaic cell panel with a dust-proof function, which relates to the field of photovoltaic cell panels. When the existing photovoltaic cell panel is in use, it is necessary to regularly check whether there is dust or cover on the surface of the panel, and manually clean it. For the problem of low efficiency, the following solution is proposed, which includes a support mechanism for supporting and fixing, and also includes a photovoltaic mechanism for absorbing solar radiation energy, and the photovoltaic mechanism is located at the top of the support mechanism. A water removal mechanism for cleaning water stains is embedded on both sides, and a dust removal mechanism for cleaning surface dust is arranged on the inner wall of the photovoltaic mechanism. The invention has a novel structure, and the device can not only clean the dust on the photovoltaic panel body, avoid the problem of excessive dust on the photovoltaic panel affecting the use, avoid manual cleaning, improve the work efficiency, and avoid the accumulation of rainwater on the photovoltaic panel after rain. On the panel body, the problem that affects the use of the photovoltaic panel body.
Description
Technical Field
The invention belongs to the field of photovoltaic cell panels, and particularly relates to a photovoltaic cell panel with a dustproof function.
Background
The photovoltaic cell panel is a device which directly or indirectly converts solar radiation energy into electric energy by absorbing sunlight, and compared with a common battery, the photovoltaic cell panel is more energy-saving and environment-friendly and is more and more common in use, when the photovoltaic cell panel is used, the surface of the photovoltaic cell panel needs to be periodically checked for dust or covering materials, and the photovoltaic cell panel needs to be treated, and the existing treatment method is manually cleaned by manpower, so that the efficiency is low, and therefore, in order to solve the problems, the invention provides the photovoltaic cell panel with the dustproof function.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a photovoltaic cell panel with a dustproof function, which solves the problem that the efficiency is low because the surface of the cell panel needs to be periodically checked for dust or covering materials and manually cleaned when the existing photovoltaic cell panel is used.
In order to achieve the purpose, the invention adopts the technical scheme that: a photovoltaic cell panel with a dustproof function comprises a supporting mechanism for supporting and fixing, a photovoltaic mechanism for absorbing solar radiation energy and a controller, wherein the photovoltaic mechanism is positioned at the top end of the supporting mechanism, a water removing mechanism for cleaning water stains is further arranged on the photovoltaic mechanism, and a dust removing mechanism for cleaning surface dust is further arranged on the photovoltaic mechanism; the photovoltaic mechanism comprises a photovoltaic plate body and a fixing frame, and the photovoltaic plate body is fixed in the fixing frame;
the dust removal mechanism comprises a translation mechanism and a cleaning roller, two ends of the cleaning roller are connected with an output part of the translation mechanism, one end of the cleaning roller is provided with a driving motor, and the length of the cleaning roller is not less than that of the photovoltaic panel body; the backlight surface of the photovoltaic mechanism is provided with a dust screen, and the control instruction input ends of the driving motor and the translation mechanism are connected with the output end of the controller.
The translation mechanism adopts a screw rod transmission mechanism, a belt transmission mechanism or a gear rack transmission mechanism.
The translation mechanism comprises a threaded screw rod and a sliding rod which are respectively arranged at two ends of a fixed frame, a screw nut is arranged on the threaded screw rod, a sliding block is arranged on the sliding rod, two ends of the cleaning roller are respectively rotatably connected with the screw nut and the sliding block through rotating rods, a first motor is arranged at one end of the threaded screw rod, and a control instruction input end of the first motor is connected with an output end of the controller.
A groove is formed in the fixing frame, the threaded screw rod and the sliding rod are embedded into the groove, and a rubber protection strip is arranged on the groove.
The supporting mechanism comprises two supporting shafts and two supporting rods, the top ends of the supporting shafts and the supporting rods are hinged to the two ends of the fixing frame respectively, the supporting rods are telescopic rods, and transverse plates are connected between the supporting shafts and the supporting rods.
The dewatering mechanism comprises dewatering cloth, the dewatering cloth is symmetrically distributed around the central axis of the photovoltaic panel body, the bottom end of the dewatering cloth is provided with a fixed block, the bottom end of the fixed block is connected with an electric telescopic rod, the bottom end of the electric telescopic rod is provided with a moving block, the inner wall of the moving block is provided with a transmission lead screw, one end of the transmission lead screw is connected with a third motor, and the control instruction input end of the third motor is connected with the output end of the controller.
The lower end of the fixing frame is provided with a launder, and the launder is provided with a plurality of through holes which penetrate through the fixing frame.
The dewatering mechanism comprises a moving rod, the starting end of the moving rod is located at the higher end of the fixed frame, a rubber scraper is arranged on the moving rod, the two ends of the moving rod are both connected with a longitudinal translation mechanism, and the longitudinal translation mechanism adopts a screw rod transmission mechanism.
Compared with the prior art, the invention has at least the following beneficial effects:
the movable cleaning roller is arranged on the upper surface of the photovoltaic mechanism and used for cleaning dust and sundries on the upper surface of the movable cleaning roller, the dustproof net is arranged on the backlight surface of the photovoltaic mechanism and used for preventing dust, the translation mechanism for the cleaning roller can be realized by adopting various mechanisms, the technology is mature and easy to realize, the cleaning roller can be used for cleaning the dust on the photovoltaic plate body, the problem that the dust on the photovoltaic plate is too much to influence the use is avoided, the water removing mechanism for cleaning water stains is further arranged on the photovoltaic mechanism, the water stains on the surface of the photovoltaic mechanism are prevented from being combined with the dust and connected into a piece, meanwhile, manual cleaning is avoided, and timing and automatic cleaning can be easily realized.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a bottom view of the structure of the present invention.
FIG. 3 is a schematic view of a water removing mechanism according to the present invention.
Reference numbers in the figures: 1. a support mechanism; 101. a support shaft; 102. a transverse plate; 103. a support bar; 2. a dust removal mechanism; 201. a first motor; 202. a drive motor; 203. a threaded lead screw; 204. a groove; 205. cleaning the roller; 206. a slide bar; 207. a slider; 208. rotating the rod; 3. a photovoltaic mechanism; 301. a fixing frame; 302. connecting blocks; 303. a photovoltaic panel body; 304. a dust screen; 4. a water removal mechanism; 401. dewatering cloth; 402. a third motor; 403. a moving block; 404. a transmission screw rod; 405. an electric telescopic rod; 406. and (5) fixing blocks.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1 and 2, a photovoltaic cell panel with a dustproof function includes a supporting mechanism 1 for supporting and fixing, a photovoltaic mechanism 3 for absorbing solar radiation energy, and a controller, the photovoltaic mechanism 3 is located at the top end of the supporting mechanism 1, a water removing mechanism 4 for cleaning water stains is further arranged on the photovoltaic mechanism 3, and a dust removing mechanism 2 for cleaning surface dust is further arranged on the photovoltaic mechanism 3; the photovoltaic mechanism 3 comprises a photovoltaic panel body 303 and a fixing frame 301, wherein the photovoltaic panel body 303 is fixed in the fixing frame 301;
the dust removal mechanism 2 comprises a translation mechanism and a cleaning roller 205, two ends of the cleaning roller 205 are connected with an output part of the translation mechanism, one end of the cleaning roller 205 is provided with a driving motor 202, and the length of the cleaning roller 205 is not less than that of the photovoltaic panel body 303; the backlight surface of the photovoltaic mechanism 3 is provided with a dust screen 304, and the control instruction input ends of the driving motor and the translation mechanism are connected with the output end of the controller.
Optionally, the translation mechanism adopts a screw rod transmission mechanism, a belt transmission mechanism or a gear rack transmission mechanism.
The translation mechanism adopts a screw rod transmission mechanism, the translation mechanism comprises a threaded screw rod 203 and a sliding rod 205 which are respectively arranged at two ends of a fixed frame 301, a screw rod nut is arranged on the threaded screw rod 203, a sliding block 207 is arranged on the sliding rod 205, two ends of a cleaning roller 205 are respectively rotatably connected with the screw rod nut and the sliding block 207 through a rotating rod 208, one end of the threaded screw rod 203 is provided with a first motor 201, and a control instruction input end of the first motor 201 is connected with an output end of a controller.
A groove 204 is formed in the fixing frame 301, the threaded screw rod 203 and the sliding rod 205 are embedded into the groove 204, and a rubber protection strip is arranged on the groove 204.
The supporting mechanism 1 comprises two supporting shafts 101 and two supporting rods 103, the top ends of the supporting shafts 101 and the supporting rods 103 are hinged to two ends of the fixing frame 301 respectively, the supporting rods 103 are telescopic rods, transverse plates 102 are connected between the supporting shafts 101 and the supporting rods 103, and the angle of the photovoltaic panel body 303 can be adjusted.
The lower end of the fixing frame 301 is provided with a launder, and the launder is provided with a plurality of through holes penetrating through the fixing frame 301.
As an optional embodiment, on the basis of the gutter channel, the water removal mechanism 4 includes a moving rod, the starting end of the moving rod is located at the higher end of the fixed frame 301, a rubber scraper is arranged on the moving rod, the two ends of the moving rod are both connected to a longitudinal translation mechanism, and the longitudinal translation mechanism adopts a screw-nut pair translation mechanism.
Referring to fig. 1, 2 and 3, a photovoltaic cell panel with a dustproof function comprises a supporting mechanism 1 for supporting and fixing and a photovoltaic mechanism 3 for absorbing solar radiation, wherein the photovoltaic mechanism 3 is positioned at the top end of the supporting mechanism 1, water removing mechanisms 4 for cleaning water stains are embedded in two sides of the top photovoltaic mechanism 3, and a dust removing mechanism 2 for cleaning surface dust is arranged on the inner wall of the photovoltaic mechanism 3; the dust removal mechanism 2 comprises a first motor 201, the first motor 201 is fixedly connected with a photovoltaic mechanism 3, an output end of the first motor 201 is provided with a threaded screw rod 203, one side of the first motor 201 is provided with a driving motor 202, the driving motor 202 is positioned on the top end of the photovoltaic mechanism 3, an output end of the driving motor 202 is provided with a rotating rod 208, an outer wall of the rotating rod 208 is connected with a cleaning roller 205, an outer wall of the rotating rod 208 is provided with a sliding block 207, the sliding block 207 is symmetrically distributed along the central axis of the rotating rod 208, the sliding block 207 is sleeved on the threaded screw rod 203, the inner wall of the sliding block 207 is provided with a sliding rod 206, the sliding rod 206 is positioned in the photovoltaic mechanism 3, the outer walls of the threaded screw rod 203 and the sliding rod 206 are provided with a groove 204, the groove 204 is positioned in the photovoltaic mechanism 3, the inner wall of the photovoltaic plate body 303 is provided with a groove 204, the grooves 204 are symmetrically distributed around the central axis of the photovoltaic panel body 303, the inner wall of each groove 204 is connected with a sliding rod 206, and the inner wall of the other groove 204 is connected with a threaded screw rod 203.
As shown in fig. 1 and 2, the supporting mechanism 1 includes 2 supporting shafts 101, the supporting shafts 101 are connected to the photovoltaic mechanism 3, a supporting rod 103 is disposed on one side of the supporting shaft 101, and a horizontal plate 102 is connected between the supporting shafts 101 and the supporting rod 103 for supporting the photovoltaic mechanism 3, so as to increase the stability of the photovoltaic mechanism 3.
Further, photovoltaic mechanism 3 is including fixed frame 301, just fixed frame 301 and back shaft 101 and bracing piece 103 fixed connection, one side of fixed frame 301 is provided with connecting block 302, just connecting block 302 is the symmetric distribution with the axis of fixed frame 301, the inner wall of fixed frame 301 is inlayed and is had photovoltaic board body 303, just the bottom of fixed frame 301 is provided with dust screen 304, dust screen 304 is located photovoltaic board body 303's bottom for absorb solar radiation energy, be convenient for store energy.
As shown in fig. 3, the dewatering mechanism 4 includes a dewatering cloth 401, the dewatering cloth 401 is symmetrically distributed about the central axis of the photovoltaic panel body 303, a fixing block 406 is disposed at the bottom end of the dewatering cloth 401, an electric telescopic rod 405 is connected to the bottom end of the fixing block 406, a moving block 403 is disposed at the bottom end of the electric telescopic rod 405, a transmission lead screw 404 is disposed on the inner wall of the moving block 403, one end of the transmission lead screw 404 is connected to a third motor 402, the water stain on the photovoltaic panel body 303 is removed, the accumulation of the water stain on the photovoltaic panel body 303 is avoided, and the control instruction input end of the third motor 402 is connected to the output end of the controller.
The working principle is as follows: when the device is used, the device is firstly moved to a required place and is supported by the supporting rod 103, the supporting shaft 101 and the transverse plate 102, then solar radiation energy is absorbed by the photovoltaic panel body 303, in addition, the back surface of the photovoltaic panel body 303 can be prevented from dust by the dust-proof net 304 in use, when dust on the surface of the photovoltaic panel body 303 needs to be cleaned, the driving motor 202 is firstly started, the driving motor 202 is started to drive the rotating rod 208 to rotate, so that the cleaning roller 205 rotates, then the first motor 201 is started, the first motor 201 is started to drive the threaded screw rod 203 to rotate, so that the sliding block 207 slides on the threaded screw rod 203 and the sliding rod 206, the sliding block slides in the groove 204, so that the cleaning roller 205 is driven to move, the dust on the photovoltaic panel body 303 is cleaned up through the rotation of the cleaning roller 205, when water stains on the photovoltaic panel body 303 need to be cleaned, then start electric telescopic handle 405 at first, electric telescopic handle 405 starts to drive fixed block 406 rebound for it moves upwards to remove water cloth 401, thereby makes it to remove water cloth 401 and is located the top of photovoltaic board body 303, later starts third motor 402, and third motor 402 starts to drive transmission lead screw 404 and rotates, makes movable block 403 slide on transmission lead screw 404, thereby makes it to remove water cloth 401, can get rid of the water stain on the photovoltaic board body 303 through removing water cloth 401.
Through having set up first electricity, driving motor, the screw thread lead screw, a groove, the cleaning roller, the slide bar, slider and dwang, in use, at first start driving motor, driving motor starts to drive the dwang rotatory, make the cleaning roller rotate, later start first motor, first motor starts to drive the screw thread lead screw and rotates, thereby make the slider slide on screw thread lead screw and slide bar, make and slide in the spout, thereby it removes to drive the cleaning roller, rotate through the cleaning roller, thereby with the dust clean up on the photovoltaic board body, avoid the photovoltaic board to go up the problem that the dust too much influences the use, manual cleaning has been avoided simultaneously, and the work efficiency is improved.
When the photovoltaic panel is used, when water stains on the photovoltaic panel body need to be cleaned, the electric telescopic rod is started first, the electric telescopic rod is started to drive the fixing block to move upwards, the water removing cloth is made to be located above the photovoltaic panel body, then the third motor is started, the third motor is started to drive the transmission screw rod to rotate, the moving block slides on the transmission screw rod, the water removing cloth is made to move, the water stains on the photovoltaic panel body can be removed through the water removing cloth, and therefore the problem that rainwater is accumulated on the photovoltaic panel body after rain and the use of the photovoltaic panel body is affected is solved.
To sum up, the device not only can be with the dust clean up on the photovoltaic board body, avoids the problem that the too much influence of dust used on the photovoltaic board, has avoided artifical clearance simultaneously, has improved work efficiency, avoids rain back rainwater accumulation on the photovoltaic board body simultaneously, influences the problem that the photovoltaic board body used.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. A photovoltaic cell panel with a dustproof function is characterized by comprising a supporting mechanism (1) for supporting and fixing, a photovoltaic mechanism (3) for absorbing solar radiation energy and a controller, wherein the photovoltaic mechanism (3) is positioned at the top end of the supporting mechanism (1), a water removing mechanism (4) for cleaning water stains is further arranged on the photovoltaic mechanism (3), and a dust removing mechanism (2) for cleaning surface dust is further arranged on the photovoltaic mechanism (3); the photovoltaic mechanism (3) comprises a photovoltaic plate body (303) and a fixing frame (301), wherein the photovoltaic plate body (303) is fixed in the fixing frame (301);
the dust removal mechanism (2) comprises a translation mechanism and a cleaning roller (205), two ends of the cleaning roller (205) are connected with an output part of the translation mechanism, one end of the cleaning roller (205) is provided with a driving motor (202), and the length of the cleaning roller (205) is not less than that of the photovoltaic panel body (303); the backlight surface of the photovoltaic mechanism (3) is provided with a dust screen (304), and the control instruction input ends of the driving motor and the translation mechanism are connected with the output end of the controller.
2. The photovoltaic cell panel with the dustproof function of claim 1, wherein the translation mechanism is a screw transmission mechanism, a belt transmission mechanism or a rack and pinion transmission mechanism.
3. The photovoltaic cell panel with the dustproof function according to claim 1, wherein the translation mechanism comprises a threaded screw rod (203) and a sliding rod (205) which are respectively arranged at two ends of a fixed frame (301), a screw nut is arranged on the threaded screw rod (203), a sliding block (207) is arranged on the sliding rod (205), two ends of the cleaning roller (205) are respectively and rotatably connected with the screw nut and the sliding block (207) through a rotating rod (208), a first motor (201) is arranged at one end of the threaded screw rod (203), and a control command input end of the first motor (201) is connected with an output end of a controller.
4. The photovoltaic cell panel with the dustproof function according to claim 3, wherein a groove (204) is formed in the fixing frame (301), the threaded screw rod (203) and the sliding rod (205) are embedded in the groove (204), and a rubber protection strip is arranged on the groove (204).
5. The photovoltaic cell panel with the dustproof function according to claim 1, wherein the supporting mechanism (1) comprises two supporting shafts (101) and two supporting rods (103), the top ends of the supporting shafts (101) and the supporting rods (103) are hinged to two ends of the fixing frame (301), the supporting rods (103) are telescopic rods, and a transverse plate (102) is connected between the supporting shafts (101) and the supporting rods (103).
6. The photovoltaic cell panel with the dustproof function according to claim 1, wherein the water removal mechanism (4) comprises water removal cloth (401), the water removal cloth (401) is symmetrically distributed around a central axis of the photovoltaic cell panel body (303), a fixed block (406) is arranged at the bottom end of the water removal cloth (401), an electric telescopic rod (405) is connected to the bottom end of the fixed block (406), a moving block (403) is arranged at the bottom end of the electric telescopic rod (405), a transmission lead screw (404) is arranged on the inner wall of the moving block (403), a third motor (402) is connected to one end of the transmission lead screw (404), and a control command input end of the third motor (402) is connected to an output end of the controller.
7. The photovoltaic cell panel with the dustproof function according to claim 1, wherein a water flowing groove is formed at the lower end of the fixing frame (301), and a plurality of through holes penetrating through the fixing frame (301) are formed in the water flowing groove.
8. The photovoltaic cell panel with the dustproof function according to claim 7, wherein the water removal mechanism (4) comprises a moving rod, the starting end of the moving rod is located at the higher end of the fixing frame (301), a rubber scraper is arranged on the moving rod, the two ends of the moving rod are connected with a longitudinal translation mechanism, and the longitudinal translation mechanism adopts a screw rod transmission mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111406884.7A CN113992144A (en) | 2021-11-24 | 2021-11-24 | Photovoltaic cell panel with dustproof function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111406884.7A CN113992144A (en) | 2021-11-24 | 2021-11-24 | Photovoltaic cell panel with dustproof function |
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| Publication Number | Publication Date |
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| CN113992144A true CN113992144A (en) | 2022-01-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111406884.7A Pending CN113992144A (en) | 2021-11-24 | 2021-11-24 | Photovoltaic cell panel with dustproof function |
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| Country | Link |
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| CN (1) | CN113992144A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115085658A (en) * | 2022-07-14 | 2022-09-20 | 华能陕西靖边电力有限公司 | Solar power generation device with electric dust removal mechanism |
| CN117895885A (en) * | 2024-01-19 | 2024-04-16 | 国电电力甘肃新能源开发有限公司 | Ash deposition preventing device for photovoltaic cell panel |
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| CN209431298U (en) * | 2019-03-19 | 2019-09-24 | 长泰县正丽灯饰店 | A kind of solar street light with rainy day cleaning photovoltaic panel function |
| CN211860015U (en) * | 2020-06-02 | 2020-11-03 | 徐�明 | Solar photovoltaic panel support with cleaning function |
| CN113541594A (en) * | 2021-09-17 | 2021-10-22 | 浚丰太阳能(江苏)有限公司 | Photovoltaic building component with high-efficient photic |
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2021
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| KR101033443B1 (en) * | 2010-07-16 | 2011-05-09 | 주식회사 시노펙스그린테크 | Solar Panel Washer of Solar Generator |
| CN209431298U (en) * | 2019-03-19 | 2019-09-24 | 长泰县正丽灯饰店 | A kind of solar street light with rainy day cleaning photovoltaic panel function |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115085658A (en) * | 2022-07-14 | 2022-09-20 | 华能陕西靖边电力有限公司 | Solar power generation device with electric dust removal mechanism |
| CN117895885A (en) * | 2024-01-19 | 2024-04-16 | 国电电力甘肃新能源开发有限公司 | Ash deposition preventing device for photovoltaic cell panel |
| CN117895885B (en) * | 2024-01-19 | 2024-10-18 | 国电电力甘肃新能源开发有限公司 | Ash deposition preventing device for photovoltaic cell panel |
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Application publication date: 20220128 |
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