CN204914807U - Solar PV modules electrode parting strip - Google Patents
Solar PV modules electrode parting strip Download PDFInfo
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- CN204914807U CN204914807U CN201520530963.2U CN201520530963U CN204914807U CN 204914807 U CN204914807 U CN 204914807U CN 201520530963 U CN201520530963 U CN 201520530963U CN 204914807 U CN204914807 U CN 204914807U
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Abstract
The utility model discloses a solar PV modules electrode parting strip, to down including interconnect in proper order on the follow: first polyolefin layer, first gluing agent layer, the polydiethylene terephthalate layer, second gluing agent layer, second polyolefin layer. Wherein, first gluing agent layer is 5 -12um with the thickness on second gluing agent layer. First polyolefin layer is 30 -120um with the thickness on second polyolefin layer. The thickness on polydiethylene terephthalate layer is 60 -300um. The utility model discloses simple structure, low cost has the characteristics that resistant UV ultraviolet performance is excellent, the UV 2000h yellow stain index DELTA b < 4 that ages, and have firm adhesive strength between EVA, and peel strength compares the present parting strip height in market between PE and PET interbed.
Description
Technical field
The utility model relates to a kind of isolating bar, particularly relates to a kind of solar photovoltaic assembly electrode isolation bar, belongs to manufacture of solar cells technical field.
Background technology
Energy and environment are two large basic problems of 21 century facing mankind.Developing pollution-free, reproducible new forms of energy is the only ways solving this two large problems.At present, photovoltaic generation proportion in the energy is minimum, and high cost is the major obstacle of restriction photovoltaic generation large-scale application.The solar module of Development of New Generation high efficiency, low cost, make its cost of electricity-generating close even lower than conventional energy resource, this has become the problem of the most important thing.
At present in solar cell package, battery plus-negative plate needs at busbar place, module edge to use isolating bar to carry out the insulation isolation of both positive and negative polarity, this isolating bar needs good electric insulation and stability (ultraviolet aging resistance), need the bonding that can maintain a long-term stability with EVA (vinyl acetate co-polymer), cell piece, welding simultaneously, usually EVA and back veneer material is used to isolate component bus bar at present, during placement isolating bar, operating procedure is complicated, causes production efficiency reduction, manufacturing cost increase.And normally used isolating bar has back veneer material type and EVA type isolating bar two kinds on the market at present, and back veneer material isolating bar cost is too high, and EVA type isolating bar ultra-violet resistance is poor.
Simultaneously, solar-energy photo-voltaic cell module needs at outdoor absorption solar irradiation, under long-time ultraviolet irradiation, the photoelectric transformation efficiency of solar-energy photo-voltaic cell module can decline very soon, existing assembly resistance to UV ultraviolet poor performance, thus lose practical value, therefore need isolating bar to have stronger resistant function to Ultraviolet radiation.
Therefore, how to provide a kind of with low cost, resistance to UV ultraviolet excellent performance, the isolating bar that adhesion strength is high simultaneously, becomes the difficult problem that industry is urgently to be resolved hurrily.
Utility model content
In order to solve above-mentioned problems of the prior art, the purpose of this utility model is to provide a kind of solar photovoltaic assembly electrode isolation bar, and it is simple and reasonable, with low cost, resistance to UV ultraviolet excellent performance, and adhesion strength is high simultaneously, and peel strength is high.
To achieve these goals, the technical solution of the utility model is:
A kind of solar photovoltaic assembly electrode isolation bar, comprises interconnective from top to bottom successively:
First polyolefin layer;
First adhesive layer;
PETG layer;
Second adhesive layer;
Second polyolefin layer.
Wherein preferred, the thickness of described first adhesive layer or the second adhesive layer is all less than the thickness of any one in the first polyolefin layer, the second polyolefin layer and PETG layer.
Preferred, the thickness of described first adhesive layer and the second adhesive layer is 5-12um.
Preferred, the thickness of described first polyolefin layer and the second polyolefin layer (i.e. PE layer) is 30-120um.
Preferred, the thickness of described PETG layer (i.e. pet layer) is 60-300um.
Concrete, this solar photovoltaic assembly electrode isolation bar is rectangular.
Compared with prior art, the beneficial effects of the utility model are:
(1) the utility model structure is simple, with low cost;
(2) the utility model has the feature of resistance to UV ultraviolet excellent performance, UV aging 2000h yellowness index Δ b < 4;
(3) have firmly adhesive strength between isolating bar of the present utility model and EVA, and between PE and PET, interlaminar strength is higher than the existing isolating bar in market.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model architectural feature and technical essential, below in conjunction with the drawings and specific embodiments, the utility model is described in detail.
Fig. 1 is the cross-sectional view of solar photovoltaic assembly electrode isolation bar disclosed in the utility model.
Description of reference numerals: 1-first polyolefin layer, 2-first adhesive layer, 3-PETG layer, 4-second adhesive layer, 5-second polyolefin layer.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the present embodiment, carry out specifically, clearly and completely describing to the technical scheme in embodiment.
Purport of the present utility model is to provide a kind of solar photovoltaic assembly electrode isolation bar, comprises interconnective from top to bottom successively:
First polyolefin layer;
First adhesive layer;
PETG layer;
Second adhesive layer;
Second polyolefin layer.
Wherein preferred, the thickness of described first adhesive layer or the second adhesive layer is all less than the thickness of any one in the first polyolefin layer, the second polyolefin layer and PETG layer.
Preferred, the thickness of described first adhesive layer and the second adhesive layer is 5-12um.Wherein, adhesive used can be polyurethane-type adhesive.
Preferred, the thickness of described first polyolefin layer and the second polyolefin layer (i.e. PE layer) is 30-120um.
Preferred, the thickness of described PETG layer (i.e. pet layer) is 60-300um.
Concrete, this solar photovoltaic assembly electrode isolation bar is rectangular.
Refer to shown in Fig. 1, in an exemplary embodiments of the present utility model, this solar photovoltaic assembly electrode isolation bar structure is rectangular, and it comprises the first polyolefin layer 1, first adhesive layer 2, PETG layer 3, second adhesive layer 4, second polyolefin layer 5 from top to bottom successively.
Wherein, described first polyolefin layer 1 can be identical with the thickness of the second polyolefin layer 5, also can not be identical, and be not restricted, thickness is between 30-120um herein.Described first adhesive layer 2 and the second adhesive layer 4 thickness can be identical, also can not be identical, be not restricted, thickness is between 5-12um herein.The thickness of described PETG layer 3 is 60-300um.
In sum, the utility model structure is simple, with low cost, has the feature of resistance to UV ultraviolet excellent performance, UV aging 2000h yellowness index Δ b < 4; And have firmly adhesive strength between EVA, and between PE and PET, interlaminar strength is higher than the existing isolating bar in market.
Above-mentioned detailed description of the invention; be only and technical conceive of the present utility model and architectural feature are described; object is to allow the stakeholder being familiar with technique implement according to this; but above said content does not limit protection domain of the present utility model; every any equivalence done according to Spirit Essence of the present utility model changes or modifies, and all should fall within protection domain of the present utility model.
Claims (6)
1. a solar photovoltaic assembly electrode isolation bar, is characterized in that comprising successively from top to bottom interconnective:
First polyolefin layer;
First adhesive layer;
PETG layer;
Second adhesive layer;
Second polyolefin layer.
2. solar photovoltaic assembly electrode isolation bar according to claim 1, it is characterized in that, the thickness of described first adhesive layer or the second adhesive layer is all less than the thickness of any one in the first polyolefin layer, the second polyolefin layer and PETG layer.
3. solar photovoltaic assembly electrode isolation bar according to claim 1 and 2, is characterized in that, the thickness of described first adhesive layer and the second adhesive layer is 5-12um.
4. solar photovoltaic assembly electrode isolation bar according to claim 1, is characterized in that, the thickness of described first polyolefin layer and the second polyolefin layer is 30-120um.
5. solar photovoltaic assembly electrode isolation bar according to claim 2, is characterized in that, the thickness of described PETG layer is 60-300um.
6. the solar photovoltaic assembly electrode isolation bar according to claim 1 or 2 or 4 or 5, is characterized in that, this solar photovoltaic assembly electrode isolation bar is rectangular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520530963.2U CN204914807U (en) | 2015-07-22 | 2015-07-22 | Solar PV modules electrode parting strip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520530963.2U CN204914807U (en) | 2015-07-22 | 2015-07-22 | Solar PV modules electrode parting strip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204914807U true CN204914807U (en) | 2015-12-30 |
Family
ID=54963979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520530963.2U Expired - Fee Related CN204914807U (en) | 2015-07-22 | 2015-07-22 | Solar PV modules electrode parting strip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204914807U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110034199A (en) * | 2019-04-01 | 2019-07-19 | 江苏裕康光伏材料有限公司 | A kind of photovoltaic module isolating bar with high insulating property |
-
2015
- 2015-07-22 CN CN201520530963.2U patent/CN204914807U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110034199A (en) * | 2019-04-01 | 2019-07-19 | 江苏裕康光伏材料有限公司 | A kind of photovoltaic module isolating bar with high insulating property |
| CN110034199B (en) * | 2019-04-01 | 2023-07-14 | 江苏裕康光伏材料有限公司 | A spacer for photovoltaic modules with high insulation performance |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151230 Termination date: 20160722 |