CN112994600A - Adjustable self preservation protects photovoltaic support - Google Patents
Adjustable self preservation protects photovoltaic support Download PDFInfo
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- CN112994600A CN112994600A CN201911303175.9A CN201911303175A CN112994600A CN 112994600 A CN112994600 A CN 112994600A CN 201911303175 A CN201911303175 A CN 201911303175A CN 112994600 A CN112994600 A CN 112994600A
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- Prior art keywords
- adjustable self
- backup pad
- base
- photovoltaic support
- photovoltaic
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- 230000007246 mechanism Effects 0.000 claims abstract description 57
- 238000001514 detection method Methods 0.000 claims description 7
- 239000003638 chemical reducing agent Substances 0.000 claims description 5
- 238000010248 power generation Methods 0.000 abstract description 17
- 230000007306 turnover Effects 0.000 abstract description 4
- 238000004804 winding Methods 0.000 abstract description 3
- 239000000428 dust Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000010409 thin film Substances 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- 230000007547 defect Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000004576 sand Substances 0.000 description 5
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 4
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 4
- MARUHZGHZWCEQU-UHFFFAOYSA-N 5-phenyl-2h-tetrazole Chemical compound C1=CC=CC=C1C1=NNN=N1 MARUHZGHZWCEQU-UHFFFAOYSA-N 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
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- 230000002035 prolonged effect Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- WUPHOULIZUERAE-UHFFFAOYSA-N 3-(oxolan-2-yl)propanoic acid Chemical compound OC(=O)CCC1CCCO1 WUPHOULIZUERAE-UHFFFAOYSA-N 0.000 description 1
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- JBRZTFJDHDCESZ-UHFFFAOYSA-N AsGa Chemical compound [As]#[Ga] JBRZTFJDHDCESZ-UHFFFAOYSA-N 0.000 description 1
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 229910021417 amorphous silicon Inorganic materials 0.000 description 1
- 230000002337 anti-port Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 229910021419 crystalline silicon Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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Images
Classifications
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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
-
- 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
- H02S20/00—Supporting structures for PV modules
- H02S20/30—Supporting structures being movable or adjustable, e.g. for angle adjustment
-
- 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
-
- 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
- H02S40/12—Means for removing snow
-
- 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
Landscapes
- Photovoltaic Devices (AREA)
Abstract
The invention provides an adjustable self-protection photovoltaic bracket, and belongs to the technical field of photovoltaic brackets. The solar photovoltaic power generation device comprises a supporting mechanism, a protecting mechanism and a turnover mechanism, wherein the supporting mechanism comprises a supporting plate, a photovoltaic cell panel is arranged on the upper end face of the supporting plate, sliding grooves are formed in two sides of the photovoltaic cell panel, the protecting mechanism is arranged on one side of the supporting plate and is adjacent to the sliding grooves, a winding and unwinding roller is arranged in the protecting mechanism and is connected with one end of a protecting plate, the other end of the protecting plate is connected with a sliding block, two ends of the sliding block are connected with the sliding grooves, the turnover mechanism is arranged at the bottom of the supporting plate, and the turnover mechanism is connected with the supporting plate through a hinge mechanism.
Description
Technical Field
The invention relates to an adjustable self-protection photovoltaic support, and belongs to the technical field of photovoltaic supports.
Background
Solar photovoltaic power generation refers to a power generation mode of directly converting light energy into electric energy without a thermal process. The method comprises photovoltaic power generation, photochemical power generation, photoinduction power generation and photobiological power generation. Photovoltaic power generation is a direct power generation method that utilizes a solar-grade semiconductor electronic device to effectively absorb solar radiation energy and convert the solar radiation energy into electric energy, and is the mainstream of current solar power generation. Electrochemical photovoltaic cells, photoelectrolytic cells and photocatalytic cells are used in photochemical power generation, and photovoltaic cells are currently used in practice. [1]
The photovoltaic power generation system mainly comprises a solar cell, a storage battery, a controller and an inverter, wherein the solar cell is a key part of the photovoltaic power generation system, and the quality and the cost of a solar cell panel directly determine the quality and the cost of the whole system. The solar cell mainly comprises a crystalline silicon cell and a polycrystalline silicon cell, and the solar cell mainly comprises an amorphous silicon solar cell, a copper indium gallium selenide solar cell and a cadmium telluride solar cell.
The photoelectric conversion efficiency of the monocrystalline silicon solar cell is about 15 percent and can reach 23 percent at most, and the photoelectric conversion efficiency is the highest in the solar cell, but the manufacturing cost is high. The service life of the monocrystalline silicon solar cell can generally reach 15 years, and can reach 25 years at most. The photoelectric conversion efficiency of the polycrystalline silicon solar cell is 14% to 16%, the manufacturing cost is lower than that of the monocrystalline silicon solar cell, and therefore the polycrystalline silicon solar cell is greatly developed, but the service life of the polycrystalline silicon solar cell is shorter than that of the monocrystalline silicon solar cell.
The thin film solar cell is a solar cell using a thin film of silicon, cadmium sulfide, gallium arsenide, or the like as a base material. The thin film solar cell can be manufactured by using light and low-cost substrate materials (such as glass, plastic, ceramic and the like), and the thickness of a thin film which can generate voltage is less than 1 micron, so that the thin film is convenient to transport and install. However, the thin film deposited on the foreign substrate may generate some defects, so the conversion efficiency of the existing cadmium telluride and copper indium gallium selenide solar cells in mass production is only 12% to 14%, and the theoretical upper limit can reach 29%. If the cadmium telluride defects can be reduced during the production process, the life of the cell will be increased and the conversion efficiency will be improved. This requires investigation of the cause of the defect, as well as ways to reduce defects and control quality. The solar cell interface is also critical and requires a significant amount of research and development effort.
Solar energy power generation now extensively uses among the real life, and solar cell panel technique is also very ripe, but solar cell panel has some problems at any in the application, because the panel need shine sunshine, so the panel generally all exposes outside, and external sleet and sand and dust can cause the damage to solar cell panel, lead to the panel to damage, greatly reduced solar cell panel's practical life.
Disclosure of Invention
In view of the above disadvantages of the prior art, an object of the present invention is to provide an adjustable self-protection photovoltaic support, which is used to solve the problems that in the prior art, solar power generation is widely applied to real life, the technology of a solar panel is quite mature, but there are some problems in the application process of the solar panel, the solar panel is generally exposed due to the fact that the solar panel needs to irradiate sunlight, and external rain, snow and sand can damage the solar panel, which results in damage to the solar panel, and the practical life of the solar panel is greatly reduced.
To achieve the above and other related objects, the present invention provides an adjustable self-protecting photovoltaic mount comprising: supporting mechanism, protection mechanism and tilting mechanism, supporting mechanism include the backup pad, the backup pad up end is provided with photovoltaic cell panel, the photovoltaic cell panel both sides are provided with the spout, protection mechanism set up in backup pad one side, and adjacent with the spout, the inside roller of receiving and releasing that is provided with of protection mechanism, receive and release the roller and connect protection shield one end, protection shield other end link block, the slider both ends are connected with the spout, tilting mechanism set up in the backup pad bottom, tilting mechanism is connected with the backup pad through the hinge mechanism.
By adopting the technical scheme: when photovoltaic cell board does not use, or at sleet, when sand and dust weather, the inside roller rotation that receive and releases of protection mechanism, make the protection shield of winding on receiving and releasing the roller open, the slider that protection shield one end is connected moves along the spout of backup pad both sides, the protection shield slowly opens, with the whole surface shade of photovoltaic cell board, thereby prevent sleet or sand and dust from contacting photovoltaic cell board, when needs use, receive and release roller antiport, the protection shield is along with the rotation of receiving and releasing the roller, the winding is on receiving and releasing the roller surface, the slider moves along the spout under the drive of protection shield board, thereby expose photovoltaic cell board, photovoltaic cell board sends out some electricity operation.
In an embodiment of the invention, the turnover mechanism comprises a base, wherein a base is arranged on the upper end surface of the base, one side of the base is connected with a driving motor, a turntable is arranged on the upper end surface of the base, a rotating shaft of the driving motor is connected with the turntable, a supporting rod is arranged on the upper end surface of the turntable, a sliding seat is sleeved on the supporting rod and moves up and down along the supporting rod, the upper end of the supporting rod is connected with a supporting plate through a hinge mechanism, the bottom of the sliding seat is connected with the turntable through a hydraulic telescopic cylinder, the upper end surface of the sliding seat is connected with the supporting.
By adopting the technical scheme: when the angle of the photovoltaic cell panel needs to be adjusted, the hydraulic telescopic cylinder extends or contracts to drive the sliding seat to move up and down along the supporting rod, and the sliding seat drives the connecting rod to move up and down, so that the connecting rod can move the supporting plate to rotate around the hinge mechanism connected with the supporting rod, the inclination angle of the supporting plate is adjusted, when the direction of the photovoltaic cell panel needs to be adjusted, the driving motor drives the turntable to rotate on the base through the rotating shaft, the supporting rod is driven to rotate, and the reverse effect of adjusting the photovoltaic cell panel is achieved.
In an embodiment of the invention, a speed reducer is disposed at a connection between the driving motor and the base.
By adopting the technical scheme: through setting up the speed reducer, the rotation rate of control carousel improves the control accuracy of carousel rotation angle.
In an embodiment of the present invention, the connecting rod is Y-shaped.
By adopting the technical scheme: through setting up the connecting rod into Y shape, improve the stability of backup pad angle modulation, improve the stability that tilting mechanism supported simultaneously.
In an embodiment of the invention, a detection sensor is disposed on one side of the supporting mechanism.
In an embodiment of the invention, the detection sensor includes a photoelectric sensor, a humidity sensor and a haze sensor.
By adopting the technical scheme: whether monitor respectively through photoelectric sensor, humidity transducer and haze sensor at night, whether be sleet weather, whether be sand and dust weather to make protection mechanism automatic opening under these circumstances, protection photovoltaic cell board.
As described above, the adjustable self-protection photovoltaic bracket provided by the invention has the following beneficial effects:
according to the invention, the protective plate is arranged on the surface of the solar cell panel and can be automatically opened or closed through the action of the take-up and pay-off roller, so that the solar cell panel can be isolated from the outside by the protective plate in rainy, snowy and sand-dust weather, the solar cell panel on the surface is damaged due to the factors of the external environment, the service life of the solar cell panel is effectively prolonged, and the device has the advantages of simple structure, simplicity and convenience in operation and low manufacturing cost, and is suitable for most photovoltaic power generation occasions.
Drawings
Fig. 1 is a schematic view of a front view structure of an adjustable self-protection photovoltaic support according to an embodiment of the present invention.
Fig. 2 is a schematic diagram of a right-view structure of an adjustable self-protection photovoltaic support according to an embodiment of the present invention.
Fig. 3 is a schematic top view of a supporting mechanism of an adjustable self-protecting photovoltaic support according to an embodiment of the invention.
Fig. 4 is a schematic view of a front view of a supporting mechanism of an adjustable self-protection photovoltaic bracket according to an embodiment of the invention.
Fig. 5 is a schematic view of an internal structure of a protection mechanism of an adjustable self-protection photovoltaic support according to an embodiment of the present invention.
Fig. 6 is a schematic view of a protective plate structure of an adjustable self-protecting photovoltaic support according to an embodiment of the present invention.
Wherein, 1, a supporting mechanism; 2. a hinge mechanism; 3. a protection mechanism; 4. a support bar; 5. a turntable; 6. a base; 7. a base; 8. a speed reducer; 9. a drive motor; 10. a hydraulic telescopic cylinder; 11. a sliding seat; 12. a connecting rod; 13. a support plate; 14. a detection sensor; 15. a protection plate; 16. a slider; 17. a photovoltaic cell panel; 18. a chute; 19. and (4) taking up and releasing the roller.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.
Please refer to fig. 1 to 6. It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for matching with the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions under which the present invention can be implemented, so that the present invention has no technical significance, and any structural modification, ratio relationship change, or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.
Referring to fig. 1, the present invention provides an adjustable self-protected photovoltaic support, comprising: supporting mechanism 1, protection mechanism 3 and tilting mechanism, supporting mechanism 1 include backup pad 13, backup pad 13 up end is provided with photovoltaic cell board 17, photovoltaic cell board 17 both sides are provided with spout 18, protection mechanism 3 set up in backup pad 13 one side, and adjacent with spout 18, protection mechanism 3 is inside to be provided with receive and release roller 19, receive and release roller 19 and connect protection shield 15 one end, protection shield 15 other end link block 16, 16 both ends of slider are connected with spout 18, tilting mechanism set up in backup pad 13 bottom, tilting mechanism is connected with backup pad 13 through hinge mechanism 2.
Tilting mechanism include base 6, 6 up ends of base are provided with base 7, driving motor 9 is connected to 7 one side of base, 7 up ends of base are provided with carousel 5, driving motor 9 rotation axis is connected with carousel 5, 5 up ends of carousel are provided with bracing piece 4, the cover is equipped with sliding seat 11 on the bracing piece 4, sliding seat 11 is along bracing piece 4 up-and-down motion, bracing piece 4 upper end is through hinge mechanism 2 joint support board 13, carousel 5 is connected through hydraulic stretching jar 10 in sliding seat 11 bottom, 11 up ends of sliding seat pass through connecting rod 12 joint support board 13, all be connected through hinge mechanism 2 between connecting rod 12 and backup pad 13 and the sliding seat 11.
And a speed reducer 8 is arranged at the joint of the driving motor 9 and the base 7.
The connecting rod 12 is Y-shaped.
The support mechanism 1 is provided with a detection sensor 14 at one side.
The detection sensor 14 includes a photoelectric sensor, a humidity sensor and a haze sensor.
In summary, the protection plate is arranged on the surface of the solar cell panel and can be automatically opened or closed through the action of the take-up and pay-off roller, so that the solar cell panel can be isolated from the outside by the protection plate in rainy, snowy and sand-dust weather, the solar cell panel on the surface is damaged due to factors of the external environment, the service life of the solar cell panel is effectively prolonged, and the device is simple in structure, easy and convenient to operate, low in manufacturing cost and suitable for most photovoltaic power generation occasions. Therefore, the invention effectively overcomes various defects in the prior art and has high industrial utilization value.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (6)
1. An adjustable self-protected photovoltaic support, the adjustable self-protected photovoltaic support comprising: supporting mechanism (1), protection mechanism (3) and tilting mechanism, supporting mechanism (1) including backup pad (13), backup pad (13) up end is provided with photovoltaic cell board (17), photovoltaic cell board (17) both sides are provided with spout (18), protection mechanism (3) set up in backup pad (13) one side, and adjacent with spout (18), protection mechanism (3) inside is provided with receives puts roller (19), receives and puts roller (19) and connects protection shield (15) one end, protection shield (15) other end link block (16), slider (16) both ends are connected with spout (18), tilting mechanism set up in backup pad (13) bottom, tilting mechanism is connected with backup pad (13) through hinge mechanism (2).
2. The adjustable self-protected photovoltaic support of claim 1, wherein: tilting mechanism include base (6), base (6) up end is provided with base (7), driving motor (9) is connected to base (7) one side, base (7) up end is provided with carousel (5), driving motor (9) rotation axis is connected with carousel (5), carousel (5) up end is provided with bracing piece (4), the cover is equipped with sliding seat (11) on bracing piece (4), sliding seat (11) along bracing piece (4) up-and-down motion, bracing piece (4) upper end is through hinge mechanism (2) joint support board (13), carousel (5) are connected through hydraulic telescoping cylinder (10) in sliding seat (11) bottom, connecting rod (12) up end passes through connecting rod (12) joint support board (13), all be connected through hinge mechanism (2) between connecting rod (12) and backup pad (13) and sliding seat (11).
3. An adjustable self-protected photovoltaic support according to claim 2, wherein: and a speed reducer (8) is arranged at the joint of the driving motor (9) and the base (7).
4. An adjustable self-protected photovoltaic support according to claim 2, wherein: the connecting rod (12) is Y-shaped.
5. The adjustable self-protected photovoltaic support of claim 1, wherein: and a detection sensor (14) is arranged on one side of the supporting mechanism (1).
6. An adjustable self-protected photovoltaic support according to claim 5, wherein: the detection sensor (14) comprises a photoelectric sensor, a humidity sensor and a haze sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911303175.9A CN112994600A (en) | 2019-12-17 | 2019-12-17 | Adjustable self preservation protects photovoltaic support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911303175.9A CN112994600A (en) | 2019-12-17 | 2019-12-17 | Adjustable self preservation protects photovoltaic support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112994600A true CN112994600A (en) | 2021-06-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911303175.9A Pending CN112994600A (en) | 2019-12-17 | 2019-12-17 | Adjustable self preservation protects photovoltaic support |
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| Country | Link |
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| CN (1) | CN112994600A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114172454A (en) * | 2021-11-30 | 2022-03-11 | 中国华能集团清洁能源技术研究院有限公司 | Film photovoltaic module device capable of being automatically replaced |
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| CN102004495A (en) * | 2010-12-13 | 2011-04-06 | 中国科学院长春光学精密机械与物理研究所 | Tracking control device of solar condensation photovoltaic power generation mirror field |
| CN102609008A (en) * | 2012-04-06 | 2012-07-25 | 郭敏强 | Novel automatic solar tracking method and photovoltaic power generation device |
| CN102820349A (en) * | 2011-06-07 | 2012-12-12 | 镇江市华东化工电力设备总厂有限公司 | Automatic tracking double-shaft photovoltaic support system |
| CN105162397A (en) * | 2014-06-06 | 2015-12-16 | 敦煌国润太阳能野外实验站有限公司 | Y balance wire rope type adjustable solar support |
| CN205490346U (en) * | 2016-04-06 | 2016-08-17 | 国网山东省电力公司高唐县供电公司 | Automatic protector of photovoltaic solar device |
| CN108361629A (en) * | 2018-01-17 | 2018-08-03 | 深圳市雷凌广通技术研发有限公司 | A kind of energy-saving Landscape Lamp with self-service charge function |
| CN110022119A (en) * | 2019-04-12 | 2019-07-16 | 黎清华 | A kind of solar power generation photovoltaic panel being convenient to clean maintenance |
-
2019
- 2019-12-17 CN CN201911303175.9A patent/CN112994600A/en active Pending
Patent Citations (7)
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|---|---|---|---|---|
| CN102004495A (en) * | 2010-12-13 | 2011-04-06 | 中国科学院长春光学精密机械与物理研究所 | Tracking control device of solar condensation photovoltaic power generation mirror field |
| CN102820349A (en) * | 2011-06-07 | 2012-12-12 | 镇江市华东化工电力设备总厂有限公司 | Automatic tracking double-shaft photovoltaic support system |
| CN102609008A (en) * | 2012-04-06 | 2012-07-25 | 郭敏强 | Novel automatic solar tracking method and photovoltaic power generation device |
| CN105162397A (en) * | 2014-06-06 | 2015-12-16 | 敦煌国润太阳能野外实验站有限公司 | Y balance wire rope type adjustable solar support |
| CN205490346U (en) * | 2016-04-06 | 2016-08-17 | 国网山东省电力公司高唐县供电公司 | Automatic protector of photovoltaic solar device |
| CN108361629A (en) * | 2018-01-17 | 2018-08-03 | 深圳市雷凌广通技术研发有限公司 | A kind of energy-saving Landscape Lamp with self-service charge function |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114172454A (en) * | 2021-11-30 | 2022-03-11 | 中国华能集团清洁能源技术研究院有限公司 | Film photovoltaic module device capable of being automatically replaced |
| CN114172454B (en) * | 2021-11-30 | 2023-06-27 | 中国华能集团清洁能源技术研究院有限公司 | Film photovoltaic module device capable of being automatically replaced |
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