CN203013765U - Solar cell back film having function of integrated packaging - Google Patents
Solar cell back film having function of integrated packaging Download PDFInfo
- Publication number
- CN203013765U CN203013765U CN 201220675377 CN201220675377U CN203013765U CN 203013765 U CN203013765 U CN 203013765U CN 201220675377 CN201220675377 CN 201220675377 CN 201220675377 U CN201220675377 U CN 201220675377U CN 203013765 U CN203013765 U CN 203013765U
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- back film
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- solar battery
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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
The utility model discloses a solar cell back film having a function of integrated packaging. The solar cell back film having the function of integrated packaging comprises a heat-sealing material layer and a composite base layer which are laminated in order from up to down, wherein the composite base layer comprises an air resistance layer, a first bonding material layer, a water resistance layer, a second bonding material layer, a third bonding material layer and a weather resistance layer which are laminated in order from up to down, furtherly, the heat-sealing material layer is bonded with the air resistance layer through a plasma surface grafting processing layer. According to the solar cell back film having the function of integrated packaging, the heat-sealing material layer and the composite base layer having a back film function are integrated into one body, so air bubbles can be effectively eliminated, excellent interlayer bonding force can improve quality influence caused by thermal contraction difference of materials, preferably, by adding the water resistance layer and the air resistance layer in the integrated structure above, a metal structure and cell sheets at an inner portion of the photovoltaic assembly can be better protected.
Description
Technical field
The utility model relates to a kind of photovoltaic module, relates in particular to a kind of solar battery back film with integrative packaging function.
Background technology
See also Fig. 1, the conventional photovoltaic device generally includes with toughened glass 2, the EVA layer 4(of the fixing assembling of aluminium frame 1 or is called the EVA glued membrane), cell piece 8, TPT layer 6 etc., wherein each cell piece 8 is also connected by interconnecting strip 3 grades and/or is in parallel, and is electrically connected to terminal box 7; Its preparation method comprises: after aforementioned layers of material is stacked gradually, at the temperature of 140 ℃ of left and right, in vacuum laminator lamination 10-20 minute, then frame up with aluminium frame 1, and with edge part with silica gel 5 sealings.Can see, in the conventional photovoltaic device, the EVA layer that is positioned at lower floor has played the effect of hot adhesion notacoria and cell piece, and merges with the EVA layer that is positioned at the upper strata, and cell piece is wrapped in inside completely.Then this photovoltaic device has many deficiencies, and for example, the EVA layer and the notacoria material require that are positioned at lower floor cut for twice, and needs accurate contraposition, and technique is loaded down with trivial details, and simultaneously, the EVA layer of lower floor can the melting trickling when lamination, easily shrinks, bubble and displacement.
Summary of the invention
The purpose of this utility model is to provide a kind of solar battery back film with integrative packaging function, thereby overcomes deficiency of the prior art.
For realizing above-mentioned utility model purpose, the utility model has adopted following technical scheme:
A kind of solar battery back film with integrative packaging function, comprise the heat-sealable material layer and the composite bottom layer that are cascading from the top down, described composite bottom layer comprises gas barrier layer, the first bonding material layer, water blocking layer, the second bonding material layer, insulated base material layer, the 3rd binding material and the high weathering layer that is cascading from the top down.
As one of preferred embodiment, the thickness of described heat-sealable material layer is 100～350 μ m.
As one of preferred embodiment, the thickness of described gas barrier layer is 5～50 μ m.
As one of preferred embodiment, the thickness of described the first bonding material layer, the second bonding material layer and the 3rd binding material is 5～15 μ m.
As one of preferred embodiment, the thickness of described water blocking layer is 5～50 μ m.
As one of preferred embodiment, the thickness of described insulated base material layer is 100～250 μ m.
As one of preferred embodiment, the thickness of described high weathering layer is 15～60 μ m.
As one of preferred embodiment, described heat-sealable material layer is bonding by plasma surface grafting processing layer and gas barrier layer.
Compared with prior art, advantage of the present utility model comprises:
(1) by heat-sealable material layer and the composite bottom layer with notacoria function fit are formed integral structure, can effectively get rid of bubble, good interlayer adhesion will be improved the quality influence that the difference because of the material thermal contraction causes.
(2) block water, hinder the vapour layer by adding in aforementioned integral structure, better to protect the metal of photovoltaic module inside and cell piece etc.
Description of drawings
Fig. 1 is the structural representation of existing a kind of photovoltaic module;
Fig. 2 is a kind of structural representation with solar battery back film of integrative packaging function in the utility model one preferred embodiment;
Description of reference numerals: aluminium frame 1, toughened glass 2, interconnecting strip 3, EVA layer 4, silica gel 5, TPT layer 6, terminal box 7, cell piece 8, heat-sealable material layer 01, composite bottom layer 02, plasma surface grafting processing layer 021, gas barrier layer 022, the first bonding material layer 023, water blocking layer 024, the second bonding material layer 025, insulated base material layer 026, the 3rd binding material 027, high weathering layer 028.
Embodiment
Below in conjunction with a preferred embodiment and accompanying drawing, the technical solution of the utility model is further described.
Consult Fig. 2, the present embodiment relates to a kind of solar battery back film with integrative packaging function, comprise the heat-sealable material layer 01 and the composite bottom layer 02 that are cascading from the top down, described composite bottom layer 02 comprises gas barrier layer 022, the first bonding material layer 023, water blocking layer 024, the second bonding material layer 025, insulated base material layer 026, the 3rd binding material 027 and the high weathering layer 028 that is cascading from the top down.
As one of preferred embodiment, the thickness of described heat-sealable material layer 01 is 100～350 μ m, and it can adopt the material formation such as EVA.
As one of preferred embodiment, the thickness of described gas barrier layer 022 is 5～50 μ m.
As one of preferred embodiment, the thickness of described the first bonding material layer 023, the second bonding material layer 025 and the 3rd binding material 027 is 5～15 μ m.
As one of preferred embodiment, the thickness of described water blocking layer 024 is 5～50 μ m.
As one of preferred embodiment, the thickness of described insulated base material layer 026 is 100～250 μ m.
As one of preferred embodiment, the thickness of described high weathering layer 028 is 15～60 μ m.
As one of preferred embodiment, described heat-sealable material layer 01 is bonding by plasma surface grafting processing layer 021 and gas barrier layer 022.
The utility model can effectively be got rid of bubble by heat-sealable material layer and the composite bottom layer with notacoria function fit are formed integral structure, and good interlayer adhesion will be improved the quality influence that the difference because of the material thermal contraction causes; Preferably, block water, hinder the vapour layer by adding in aforementioned integral structure, also can better protect the metal structure of photovoltaic module inside and cell piece etc.
Above preferred embodiment is only for illustration of the utility model, but not to restriction of the present utility model, person skilled in the relevant technique is not in the situation that break away from spirit and scope of the present utility model, do various conversion or modification, all belonged to category of the present utility model.
Claims (8)
1. solar battery back film with integrative packaging function, it is characterized in that, it comprises heat-sealable material layer (01) and the composite bottom layer (02) that is cascading from the top down, and described composite bottom layer (02) comprises gas barrier layer (022), the first bonding material layer (023), water blocking layer (024), the second bonding material layer (025), insulated base material layer (026), the 3rd binding material (027) and the high weathering layer (028) that is cascading from the top down.
2. the solar battery back film with integrative packaging function according to claim 1, is characterized in that, the thickness of described heat-sealable material layer (01) is 100～350 μ m.
3. the solar battery back film with integrative packaging function according to claim 1, is characterized in that, the thickness of described gas barrier layer (022) is 5～50 μ m.
4. the solar battery back film with integrative packaging function according to claim 1, is characterized in that, the thickness of described the first bonding material layer (023), the second bonding material layer (025) and the 3rd binding material (027) is 5～15 μ m.
5. the solar battery back film with integrative packaging function according to claim 1, is characterized in that, the thickness of described water blocking layer (024) is 5～50 μ m.
6. the solar battery back film with integrative packaging function according to claim 1, is characterized in that, the thickness of described insulated base material layer (026) is 100～250 μ m.
7. the solar battery back film with integrative packaging function according to claim 1, is characterized in that, the thickness of described high weathering layer (028) is 15～60 μ m.
8. the solar battery back film with integrative packaging function according to claim 1 and 2, is characterized in that, described heat-sealable material layer (01) is bonding by plasma surface grafting processing layer (021) and gas barrier layer (022).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220675377 CN203013765U (en) | 2012-12-10 | 2012-12-10 | Solar cell back film having function of integrated packaging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220675377 CN203013765U (en) | 2012-12-10 | 2012-12-10 | Solar cell back film having function of integrated packaging |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203013765U true CN203013765U (en) | 2013-06-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220675377 Expired - Fee Related CN203013765U (en) | 2012-12-10 | 2012-12-10 | Solar cell back film having function of integrated packaging |
Country Status (1)
| Country | Link |
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| CN (1) | CN203013765U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111391457A (en) * | 2018-12-28 | 2020-07-10 | 汉能移动能源控股集团有限公司 | Front plate of solar cell module, solar cell module and preparation method of solar cell module |
-
2012
- 2012-12-10 CN CN 201220675377 patent/CN203013765U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111391457A (en) * | 2018-12-28 | 2020-07-10 | 汉能移动能源控股集团有限公司 | Front plate of solar cell module, solar cell module and preparation method of solar cell module |
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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: 20130619 Termination date: 20181210 |
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| CF01 | Termination of patent right due to non-payment of annual fee |