CN212725330U - Curved surface photovoltaic module - Google Patents
Curved surface photovoltaic module Download PDFInfo
- Publication number
- CN212725330U CN212725330U CN202021721035.1U CN202021721035U CN212725330U CN 212725330 U CN212725330 U CN 212725330U CN 202021721035 U CN202021721035 U CN 202021721035U CN 212725330 U CN212725330 U CN 212725330U
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- China
- Prior art keywords
- photovoltaic module
- curved
- curved surface
- battery pack
- solar battery
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- 238000005516 engineering process Methods 0.000 claims abstract description 29
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 9
- 239000010703 silicon Substances 0.000 claims abstract description 9
- 238000004806 packaging method and process Methods 0.000 claims abstract description 7
- 239000002313 adhesive film Substances 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 229910021421 monocrystalline silicon Inorganic materials 0.000 claims description 6
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 6
- 229920005549 butyl rubber Polymers 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 238000010248 power generation Methods 0.000 abstract description 9
- 229910021417 amorphous silicon Inorganic materials 0.000 abstract description 6
- 239000010409 thin film Substances 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 238000003466 welding Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000005038 ethylene vinyl acetate Substances 0.000 description 2
- 239000010408 film Substances 0.000 description 2
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 2
- 229920002037 poly(vinyl butyral) polymer Polymers 0.000 description 2
- 229920006124 polyolefin elastomer Polymers 0.000 description 2
- JBRZTFJDHDCESZ-UHFFFAOYSA-N AsGa Chemical compound [As]#[Ga] JBRZTFJDHDCESZ-UHFFFAOYSA-N 0.000 description 1
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- KTSFMFGEAAANTF-UHFFFAOYSA-N [Cu].[Se].[Se].[In] Chemical compound [Cu].[Se].[Se].[In] KTSFMFGEAAANTF-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 229910021419 crystalline silicon Inorganic materials 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000003698 laser cutting Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000013082 photovoltaic technology Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
Images
Classifications
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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
Landscapes
- Photovoltaic Devices (AREA)
Abstract
The utility model relates to a curved photovoltaic module, which comprises a front plate, a solar battery pack, a back plate and a packaging adhesive film; the front plate, the solar battery pack and the back plate are sequentially stacked and packaged together by a packaging adhesive film; the front plate, the solar battery pack and the back plate are all curved surfaces, and the undulation radian of the connecting surface is consistent; the curved surface photovoltaic module is an arched or wavy curved surface body. The curved surface photovoltaic module applies the silicon-based solar battery pack which is connected in series or in parallel by using the tiling technology, the splicing technology or the half-sheet technology to the curved surface photovoltaic module, thereby reducing the production cost and improving the power generation conversion rate of the module relative to the curved surface photovoltaic module using the amorphous silicon thin-film solar battery.
Description
Technical Field
The utility model belongs to the technical field of the photovoltaic technique and specifically relates to a curved surface photovoltaic module is related to.
Background
The continuous consumption of non-renewable energy gradually becomes strategic reserve materials, so that the solar power generation represented by the renewable energy is widely used as clean green energy in daily life. The photovoltaic power generation technology is used on various products such as current solar buildings, solar automobiles and solar backpacks, however, the shape requirements for photovoltaic modules under different application scenes are different, and curved surface photovoltaic modules are required to be used in the application fields such as solar roofs and solar automobiles.
At present, an amorphous silicon thin-film solar cell set is mainly adopted in a traditional curved-surface photovoltaic module, for example, copper indium gallium selenide, gallium arsenide, perovskite and the like, and the amorphous silicon thin-film solar cell is favored by the market due to the characteristics of flexibility, flexibility and portability, but the amorphous silicon thin-film solar cell has the problems of high production cost, low power generation efficiency, poor weather resistance, high attenuation rate of cell set power generation after long-time use and the like.
In recent years, the production process of the silicon-based solar cell is continuously improved, the cost of the raw material crystalline silicon is continuously reduced, the cost of the silicon-based solar cell is relatively low, the power generation technology of the silicon-based solar cell chip is mature, the power generation efficiency is high, and the number of battery packs in unit area can be increased by adopting the tiling technology, the half-chip technology and the splicing technology, so that the generated energy is larger, and the hot spot problem is reduced.
Disclosure of Invention
The to-be-solved technical problem of the utility model is: in order to solve the problems of high production cost, low power generation efficiency and poor weather resistance of a curved surface component using an amorphous silicon thin film solar cell in the prior art, a curved surface photovoltaic component is provided.
The utility model provides a technical scheme that its technical problem adopted is:
a curved photovoltaic assembly, comprising: the solar cell comprises a front plate, a solar cell group, a back plate and a packaging adhesive film; the front plate, the solar battery pack and the back plate are sequentially stacked and packaged together by a packaging adhesive film; the front plate, the solar battery pack and the back plate are all curved surfaces, and the undulation radian of the connecting surface is consistent; the curved surface photovoltaic module is an arched or wavy curved surface body.
The solar battery pack comprises more than two silicon-based solar batteries which are connected in series or in parallel through a tiling technology, a splicing technology or a half-chip technology.
The silicon-based solar cell is a monocrystalline silicon or polycrystalline silicon cell.
And a water-resistant layer is arranged between the front plate and the back plate.
The water-resistant layer is annular butyl rubber and is arranged around the solar battery pack.
The arched curved surface body is an arc body.
The wavy curved surface body is formed by staggered arrangement of a plurality of arc bodies in the same or opposite directions, and the circle centers of two adjacent arc bodies are respectively positioned at the same side or different sides of the curved surface body.
The number of the arc bodies is 2-5.
The number of the circular arc bodies is 3.
The radian of the arc body is 45-110 degrees.
The utility model has the advantages that: the silicon-based solar battery pack connected in series or in parallel by using the tiling technology, the splicing technology or the half-chip technology is applied to the curved surface photovoltaic module, so that the production cost is reduced, and the power generation conversion rate of the module is improved relative to the curved surface photovoltaic module using the amorphous silicon thin-film solar battery.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is the positive structural schematic diagram of the curved surface photovoltaic module of the utility model.
Fig. 2 is the structural schematic diagram of the curved surface photovoltaic module of the arched curved surface body of the present invention.
Fig. 3 is a schematic structural view of the curved photovoltaic module of the wavy curved body of the present invention.
Fig. 4 is an enlarged view at a in fig. 2.
In the figure: 1. the solar cell module comprises a front plate, a solar cell module, a back plate, a waterproof layer and a solar cell module, wherein the front plate 2 is a solar cell module, and the back plate 3 is a back plate 4.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
As shown in fig. 1-4, the utility model provides a curved surface photovoltaic module, including front bezel 1, solar array 2, backplate 3, encapsulation glued membrane and water blocking layer 4.
As shown in fig. 1, the water-blocking layer 4 is a cyclic butyl rubber and is disposed between the front plate 1 and the back plate 3 to surround the solar cell array 2, the front plate 1, the solar cell array 2, and the back plate 3 are sequentially stacked and encapsulated by an encapsulating film, and the encapsulating film is made of a flexible material such as EVA (ethylene-vinyl acetate copolymer), PVB (polyvinyl butyral) or POE (polyolefin elastomer).
The water-resistant layer 4 mainly plays a role in isolating water vapor from entering the solar cell array 2, and the water-resistant layer 4 can be selectively added according to the situation in actual implementation.
The front plate 1 is a rigid or flexible light-transmitting material with a curved surface, light can pass through the front plate 1 and irradiate the solar battery pack 2 to enable the curved surface photovoltaic module to generate electricity, the solar battery pack 2 is formed by monocrystalline silicon or polycrystalline silicon solar batteries which are connected in series or in parallel by a plurality of curved surface sheets through a tiling technology, a splicing technology or a half-sheet technology, wherein: the tiling technology is a technology of welding solar cells into strings by using special conductive materials after the solar cells are sliced, each sliced solar cell is partially overlapped during assembly, gaps in a module are fully utilized, and therefore the generated energy in unit area is improved, in addition, because the overlapped parts of the two sliced solar cells are generally connected by adopting flexible conductive adhesive, a solar cell group 2 formed by monocrystalline silicon or polycrystalline silicon solar cells which are connected in series or in parallel through the tiling technology has stronger mechanical load, and the bending of the solar cell group 2 can be realized; the splicing technology is characterized in that the pitch of solar cells is reduced by a special welding mode, and triangular welding belts are used for interconnection welding, so that the purpose of improving the packaging density of a component and further improving the efficiency of the component is achieved, and a solar battery pack 2 formed by monocrystalline silicon or polycrystalline silicon solar cells connected in series or in parallel through the splicing technology also has a certain mechanical load and can meet the bending of a small radian; the half-piece technology is that a laser cutting method is used for cutting a solar cell piece with a standard specification into two identical half-piece solar cell pieces along the direction perpendicular to a main grid line of the cell, welding and series connection are carried out, and the solar cell group 2 after series connection also has a certain mechanical load and can meet the bending of a small radian.
The back plate 3 is also made of a curved rigid or flexible material, and the front plate 1, the solar battery pack 2 and the back plate 3 are connected by the same undulation radian, so that an arched or wavy curved body is formed.
As shown in fig. 2, the arched curved body is an arc body, as shown in fig. 3 to 4, the wavy curved body in this embodiment is formed by staggered arrangement of three opposite arc bodies, wherein the centers of two adjacent arc bodies are respectively located on different sides of the curved body, the wavy curved body can be formed by staggered arrangement of a plurality of arc bodies, and the centers of two adjacent arc bodies can be respectively located on the same side or different sides of the curved body, the arc degree of the arc body in this embodiment is 70 °, and the arc degree of the arc body in specific implementation can be flexibly adjusted according to the mechanical load of the solar battery pack 2 formed by monocrystalline silicon or polycrystalline silicon solar cells connected in series or in parallel by the tiling technology, the splicing technology or the half-sheet technology, specifically can be 45 ° to 110 °.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. A curved photovoltaic assembly, comprising:
the solar cell comprises a front plate (1), a solar cell group (2), a back plate (3) and a packaging adhesive film;
the method is characterized in that: the front plate (1), the solar battery pack (2) and the back plate (3) are sequentially stacked and packaged together by a packaging adhesive film;
the front plate (1), the solar battery pack (2) and the back plate (3) are all curved surfaces, and the undulation radian of the connecting surfaces is consistent;
the curved surface photovoltaic module is an arched or wavy curved surface body.
2. The curved photovoltaic module of claim 1, wherein: the solar battery pack (2) comprises more than two silicon-based solar cells which are connected in series or in parallel through a tiling technology, a splicing technology or a half-chip technology.
3. The curved photovoltaic module of claim 2, wherein: the silicon-based solar cell is a monocrystalline silicon or polycrystalline silicon cell.
4. The curved photovoltaic module of any one of claims 1 to 3, wherein: and a water resisting layer (4) is arranged between the front plate (1) and the back plate (3).
5. The curved photovoltaic module of claim 4, wherein: the waterproof layer (4) is annular butyl rubber and is arranged around the solar battery pack (2).
6. The curved photovoltaic module of any one of claims 1 to 3, wherein: the arched curved surface body is an arc body.
7. The curved photovoltaic module of any one of claims 1 to 3, wherein: the wavy curved surface body is formed by staggered arrangement of a plurality of arc bodies in the same or opposite directions, and the circle centers of two adjacent arc bodies are respectively positioned at the same side or different sides of the curved surface body.
8. The curved photovoltaic module of claim 7, wherein: the number of the arc bodies is 2-5.
9. The curved photovoltaic module of claim 8, wherein: the number of the circular arc bodies is 3.
10. The curved photovoltaic module of claim 7, wherein: the radian of the arc body is 45-110 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021721035.1U CN212725330U (en) | 2020-08-17 | 2020-08-17 | Curved surface photovoltaic module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021721035.1U CN212725330U (en) | 2020-08-17 | 2020-08-17 | Curved surface photovoltaic module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212725330U true CN212725330U (en) | 2021-03-16 |
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ID=74918978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021721035.1U Active CN212725330U (en) | 2020-08-17 | 2020-08-17 | Curved surface photovoltaic module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212725330U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023145370A1 (en) * | 2022-01-28 | 2023-08-03 | 株式会社カネカ | Solar battery module |
-
2020
- 2020-08-17 CN CN202021721035.1U patent/CN212725330U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023145370A1 (en) * | 2022-01-28 | 2023-08-03 | 株式会社カネカ | Solar battery module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210915 Address after: 213161 room 402, building 8, No. 8, Lanxiang Road, West Taihu science and Technology Industrial Park, Changzhou, Jiangsu Province Patentee after: Changzhou Qingyang photovoltaic New Material Co.,Ltd. Address before: No.8 workshop, No.8, Lanxiang Road, West Taihu science and Technology Industrial Park, Wujin District, Changzhou City, Jiangsu Province Patentee before: Changzhou Fugong Machinery Equipment Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230117 Address after: 571126 103-Y209, Jiangdong Industrial Park, Qiongshan Avenue (Jiangdong New Area), Meilan District, Haikou, Hainan Province Patentee after: Haikou Fuhai New Energy Co.,Ltd. Address before: 213161 room 402, building 8, No. 8, Lanxiang Road, West Taihu science and Technology Industrial Park, Changzhou, Jiangsu Province Patentee before: Changzhou Qingyang photovoltaic New Material Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231110 Address after: Room A105-34, No. 6 Xingqiao Lane, Qimen Road, Gusu District, Suzhou City, Jiangsu Province, 215000 Patentee after: Suzhou Wenjing New Energy Co.,Ltd. Address before: 571126 103-Y209, Jiangdong Industrial Park, Qiongshan Avenue (Jiangdong New Area), Meilan District, Haikou, Hainan Province Patentee before: Haikou Fuhai New Energy Co.,Ltd. |