CN205282491U - Flexible solar energy component of crystalline silica - Google Patents
Flexible solar energy component of crystalline silica Download PDFInfo
- Publication number
- CN205282491U CN205282491U CN201521139972.5U CN201521139972U CN205282491U CN 205282491 U CN205282491 U CN 205282491U CN 201521139972 U CN201521139972 U CN 201521139972U CN 205282491 U CN205282491 U CN 205282491U
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- CN
- China
- Prior art keywords
- crystalline silicon
- flexible solar
- eva
- solar assembly
- assembly according
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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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- Photovoltaic Devices (AREA)
Abstract
An object of the utility model is to provide a flexible solar energy component of crystalline silica makes it have a better bending resistance ability of rolling over, and applicable in the installation face of curved surface, work efficiency is high simultaneously. For realizing above -mentioned technological mesh, the utility model discloses the technical scheme who takes as follows: a flexible solar energy component of crystalline silica, including battery piece unit, upper EVA, the EVA of lower floor and polyvinyl fluoride complex film, its characterized in that: battery piece unit comprises several sub - crystal silicon cell piece interconnect, battery piece unit upper surface is provided with upper EVA, and battery piece lower surface is provided with the EVA of lower floor, upper strata EVA upper surface is provided with the PET membrane, lower floor's EVA lower surface is provided with the polyvinyl fluoride complex film.
Description
Technical field
The utility model relates to solar facilities technical field, is specifically related to a kind of crystalline silicon flexible solar assembly.
Background technology
The surface encapsulation material of existing regular solar assembly mostly uses glass, and glass belongs to hard and crisp material, and this type of solar components is not easy on the mounting face of curved surface to install; Therefore flexible solar assembly becomes the focus of people's research. But owing to crystalline silicon is very fragile, very easily rupture, conventional flexible solar assembly mostly uses amorphous silicon battery to encapsulate, but its efficiency is lower, what major part flexible solar assembly adopted simultaneously is transparent fluorinated ethylene propylene composite film material, back of the body material also adopts fluorinated ethylene propylene composite film material, and assembly is too soft, it is easy to make cell piece damaged.
Practical novel content
In order to solve the problems of the technologies described above, the purpose of this utility model is to provide a kind of crystalline silicon flexible solar assembly so that it is have good bend resistance ability, applicable in the mounting face of curved surface, working efficiency height simultaneously.
For realizing above-mentioned technical purpose, technical solution adopted in the utility model is as follows:
A kind of crystalline silicon flexible solar assembly, include cell piece unit, upper strata EVA, lower floor EVA and fluorinated ethylene propylene composite membrane, it is characterized in that: described cell piece unit is interconnected by the sub-crystalline silicon battery plate of several piece and forms, described cell piece unit upper surface is provided with upper strata EVA, cell piece lower surface is provided with lower floor EVA, described upper strata EVA upper surface is provided with PET film, and described lower floor EVA lower surface is provided with fluorinated ethylene propylene composite membrane.
Further, the sub-crystalline silicon battery plate in described cell piece unit comprises sheet in 2 pieces of gusset plates and 4 pieces;
Preferably, described middle is of a size of: long 100mm��140mm, wide 10mm��26mm, and described gusset plate is of a size of: long 100mm��140mm, wide 15mm��30mm.
Preferably, it is provided with tin-coated copper strip between described gusset plate and middle and between adjacent middle sheet, and it is connected in series or parallel by tin-coated copper strip.
Preferably, any in described cell piece unit four limit is welded with convergent belt.
Further, described PET film is configured to upper surface frosted, and described upper strata EVA contacts with described PET film lower surface.
Preferably, the thickness of described PET film is less than 25 ��m.
Further, described fluorinated ethylene propylene composite membrane is configured to white light tight.
Preferably, the thickness of described fluorinated ethylene propylene composite membrane is 0.17mm��0.35mm, and it is made up of jointly outer fluorinated ethylene propylene layer, middle layer polyester film and internal layer fluorinated ethylene propylene layer.
By above technical scheme, the beneficial effects of the utility model are:
1, adopt the crystalline silicon battery plate of high transformation efficiency, and the sub-crystalline silicon battery plate forming cell piece unit can select the scrap stock of common batteries sheet, not only Appropriate application scrap stock, and can effectively improve the bend resistance ability of whole flexible unit.
2, adopt the PET film of surface frosted, PET (polyethylene terephthalate) material transparency is good, it is extremely good that thickness is less than the PET pliability of 25 ��m, there is good mechanical property, shock strength is 3��5 times of other films, folding resistance is good, oil resistant, resistance to fat, resistance to diluted acid, rare alkali, resistance to most of solvent, and there is excellent resistance to height, low-temperature performance, can in 120 DEG C of temperature ranges life-time service, short-period used can resistance to 150 DEG C of high temperature, can resistance to-70 DEG C of low temperature, and it is high, during low temperature, its mechanical property is affected very little, surface frosted can increase the diffuse-reflectance of sunlight simultaneously, thus reach the repeatedly utilization to light.
Accompanying drawing explanation
Fig. 1 is structure iron of the present utility model;
Description of reference numerals: 1 upper strata EVA, 2, lower floor EVA; 3, PET film; 4, gusset plate; 5, middle; 6, white fluorinated ethylene propylene composite membrane.
Embodiment
For making creation means of the present utility model, technology feature and useful effect easy to understand, below in conjunction with drawings and Examples, the utility model is described in further detail, but should not be considered as the restriction to the utility model protection domain.
As shown in Figure 1, crystalline silicon flexible solar assembly provided by the utility model includes: several cell piece unit, upper strata EVA1, lower floor EVA2 and fluorinated ethylene propylene composite membrane 3, wherein:
Each cell piece unit by 2 pieces of gusset plates 4 with 4 pieces in sheet 5 be connected in series or parallel by the tin-coated copper strip arranged each other, it is of a size of (100��140) mm �� (10��26) mm for middle 5, gusset plate 4 is of a size of (100��140) mm �� (15��30) mm, and any in each cell piece unit four limit is welded with convergent belt;
The PET film 6 that the upper surface package thickness of upper surface encapsulation upper strata EVA1, the upper strata EVA1 of cell piece unit is less than 25 ��m, and upper strata EVA1 contacts with the one side of frosted in PET film 6;
The lower surface of cell piece unit is packaged with lower floor EVA3, lower floor's EVA3 lower surface encapsulation fluorinated ethylene propylene composite membrane 3.
As preferred embodiment of the present utility model, fluorinated ethylene propylene composite membrane 3 is that white is light tight, and thickness is 0.17mm��0.35mm, and it is made up of jointly outer fluorinated ethylene propylene layer, middle layer polyester film and internal layer fluorinated ethylene propylene layer.
During work, sunlight is through the surface of transparent PET film 6 and upper strata EVA1, expose on monocrystaline silicon solar cell blade unit, convert solar energy into electrical energy by cell piece unit, the gap that part sunlight arranges each other through sub-crystalline silicon battery plate, arriving on light tight white fluorinated ethylene propylene composite membrane 3, again reflex to and re-use on cell piece unit, efficiency is higher.
More than show and describe ultimate principle of the present utility model, main characteristic sum advantage of the present utility model. The technician of the industry should understand; the utility model is not restricted to the described embodiments; under the prerequisite not departing from the utility model spirit and scope, the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model. The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (9)
1. a crystalline silicon flexible solar assembly, include cell piece unit, upper strata EVA, lower floor EVA and fluorinated ethylene propylene composite membrane, it is characterized in that: described cell piece unit is interconnected by the sub-crystalline silicon battery plate of several piece and forms, described cell piece unit upper surface is provided with upper strata EVA, cell piece lower surface is provided with lower floor EVA, described upper strata EVA upper surface is provided with PET film, and described lower floor EVA lower surface is provided with fluorinated ethylene propylene composite membrane.
2. a kind of crystalline silicon flexible solar assembly according to claim 1, it is characterised in that: the sub-crystalline silicon battery plate in described cell piece unit comprises sheet in 2 pieces of gusset plates and 4 pieces.
3. a kind of crystalline silicon flexible solar assembly according to claim 2, it is characterised in that: described middle is of a size of: long 100mm��140mm, wide 10mm��26mm, and described gusset plate is of a size of: long 100mm��140mm, wide 15mm��30mm.
4. a kind of crystalline silicon flexible solar assembly according to claim 2, it is characterised in that: it is provided with tin-coated copper strip between described gusset plate and middle and between adjacent middle sheet, and it is connected in series or parallel by tin-coated copper strip.
5. a kind of crystalline silicon flexible solar assembly according to claim 1 and 2, it is characterised in that: any in described cell piece unit four limit is welded with convergent belt.
6. a kind of crystalline silicon flexible solar assembly according to claim 1, it is characterised in that: described PET film is configured to upper surface frosted, and described upper strata EVA contacts with described PET film lower surface.
7. a kind of crystalline silicon flexible solar assembly according to claim 1 or 6, it is characterised in that: the thickness of described PET film is less than 25 ��m.
8. a kind of crystalline silicon flexible solar assembly according to claim 1, it is characterised in that: described fluorinated ethylene propylene composite membrane is that white is light tight.
9. a kind of crystalline silicon flexible solar assembly according to claim 1 or 8, it is characterized in that: the thickness of described fluorinated ethylene propylene composite membrane is 0.17mm��0.35mm, it is made up of jointly outer fluorinated ethylene propylene layer, middle layer polyester film and internal layer fluorinated ethylene propylene layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521139972.5U CN205282491U (en) | 2015-12-31 | 2015-12-31 | Flexible solar energy component of crystalline silica |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521139972.5U CN205282491U (en) | 2015-12-31 | 2015-12-31 | Flexible solar energy component of crystalline silica |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205282491U true CN205282491U (en) | 2016-06-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521139972.5U Expired - Fee Related CN205282491U (en) | 2015-12-31 | 2015-12-31 | Flexible solar energy component of crystalline silica |
Country Status (1)
| Country | Link |
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| CN (1) | CN205282491U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109888038A (en) * | 2017-12-06 | 2019-06-14 | 上海太阳能工程技术研究中心有限公司 | A kind of efficiently micro- energy gallium arsenide cells component |
-
2015
- 2015-12-31 CN CN201521139972.5U patent/CN205282491U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109888038A (en) * | 2017-12-06 | 2019-06-14 | 上海太阳能工程技术研究中心有限公司 | A kind of efficiently micro- energy gallium arsenide cells component |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160601 Termination date: 20161231 |
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| CF01 | Termination of patent right due to non-payment of annual fee |