CN203013763U - Back film material having function of reverse light trapping reduction - Google Patents
Back film material having function of reverse light trapping reduction Download PDFInfo
- Publication number
- CN203013763U CN203013763U CN 201220675335 CN201220675335U CN203013763U CN 203013763 U CN203013763 U CN 203013763U CN 201220675335 CN201220675335 CN 201220675335 CN 201220675335 U CN201220675335 U CN 201220675335U CN 203013763 U CN203013763 U CN 203013763U
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- Prior art keywords
- layer
- reflection
- light
- light function
- notacoria
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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 back film material having a function of reverse light trapping reduction. The back film material having the function of reverse light trapping reduction comprises a light transmission heat-sealing layer, a reflection layer having a convex and concave cross section structure, an insulation layer, a structure enhancement layer and a weather resistance layer which are laminated in order from up to down, preferably, the reflection layer comprises a plurality of taper-shaped convex portions which are distributed along a horizontal direction, the reflection layer comprises a high-molecular material layer containing light reflection metal oxide, the insulation layer comprises a high-molecular material layer containing heat radiation inorganic substances, the structure enhancement layer comprises a glass fiber enhancement structure, and the weather resistance layer comprises a high-molecular material layer containing a UV agent. The back film material having the function of reverse light trapping reduction has a simple structure, is light and firm, has light diffuse reflection effects, can reduces light mirror reflection, has light trapping effects, makes light be absorbed by cell sheets to the greatest degree and improves generating efficiency.
Description
Technical field
The utility model relates to a kind of photovoltaic module, relates in particular to a kind of notacoria material that anti-reflection falls into the light function that has.
Background technology
See also Fig. 1, the conventional photovoltaic device generally includes with the toughened glass 2 of aluminium frame 1 fixing assembling, EVA layer 4, cell piece 8, TPT layer 6 etc., and wherein each cell piece 8 is also connected by interconnecting strip 3 grades and/or be 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.Then this photovoltaic device has many deficiencies, and for example, mirror-reflection easily occurs for the notacoria at cell piece rear surface, causes the generating efficiency of cell piece to be subject to larger restriction.
Summary of the invention
The purpose of this utility model is to provide a kind of notacoria material that anti-reflection falls into the light function that has, it can prevent from injecting the light of photovoltaic module at cell piece rear generation mirror-reflection, and effectively promote the generating efficiency of photovoltaic module, thereby overcome deficiency of the prior art.
For realizing above-mentioned utility model purpose, the utility model has adopted following technical scheme:
A kind of notacoria material with the sunken light function of anti-reflection comprises the printing opacity hot sealing layer that is cascading from the top down, the reflector with concavo-convex cross section structure, insulating barrier, structural reinforcing layer and weathering layer.
Further, described reflector comprises a plurality of taper protuberances that along continuous straight runs distributes.
As one of preferred embodiment, described reflector comprises the polymer material layer that contains light reflective metals oxide.
As one of preferred embodiment, described printing opacity hot sealing layer comprises the transparent polymer material resilient coating.
As one of preferred embodiment, described insulating barrier comprises the polymer material layer that contains the inorganic matter that dispels the heat.
As one of preferred embodiment, described structural reinforcing layer comprises glass and strengthens structure.
As one of preferred embodiment, described weathering layer comprises the polymer material layer that contains the UV agent.
As one of preferred embodiment, described notacoria material with the sunken light function of anti-reflection also comprises the surface-treated layer that is stacked at the weathering layer below, and described surface-treated layer comprises viscous layer.
Compared with prior art, advantage of the present utility model comprises:
(1) this notacoria material with the sunken light function of anti-reflection is simple, light weight strong;
(2) this notacoria material with the sunken light function of anti-reflection has the light diffuse effect, can reduce the light mirror-reflection, has sunken light effect, makes light at utmost be absorbed by cell piece, improves generating efficiency.
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 notacoria material of the sunken light function of anti-reflection 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, printing opacity hot sealing layer 01, the reflector 02 with concavo-convex cross section structure, insulating barrier 03, structural reinforcing layer 04, weathering layer 05, surface-treated layer 06.
Embodiment
Below in conjunction with a preferred embodiment and accompanying drawing, the technical solution of the utility model is further described.
Consult Fig. 2, this notacoria material with the sunken light function of anti-reflection comprises the printing opacity hot sealing layer 01 that is cascading from the top down, the reflector 02 with concavo-convex cross section structure, insulating barrier 03, structural reinforcing layer 04 and weathering layer 05.
Further, described reflector comprises a plurality of taper protuberances that along continuous straight runs distributes, and also can be described as the inverted triangle structure, and it can form by the preparation of the techniques such as impression, can make light produce diffuse reflection.
As one of preferred embodiment, described reflector comprises the polymer material layer that contains light reflective metals oxide.
As one of preferred embodiment, described printing opacity hot sealing layer comprises the transparent polymer material resilient coating.
As one of preferred embodiment, described insulating barrier comprises the polymer material layer that contains the inorganic matter that dispels the heat.
As one of preferred embodiment, described structural reinforcing layer comprises glass and strengthens structure.
As one of preferred embodiment, described weathering layer comprises the polymer material layer that contains the UV agent.
As one of preferred embodiment, described notacoria material with the sunken light function of anti-reflection also comprises the surface-treated layer 06 that is stacked at the weathering layer below, and described surface-treated layer comprises viscous layer.
This notacoria material with the sunken light function of anti-reflection is simple, light weight strong, and have the light diffuse effect, and can reduce the light mirror-reflection, have sunken light effect, make light at utmost be absorbed by cell piece, improve generating efficiency.
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. one kind has the notacoria material that anti-reflection falls into the light function, it is characterized in that, it comprises the printing opacity hot sealing layer that is cascading from the top down, the reflector with concavo-convex cross section structure, insulating barrier, structural reinforcing layer and weathering layer.
2. the notacoria material with the sunken light function of anti-reflection according to claim 1, is characterized in that, described reflector comprises a plurality of taper protuberances that along continuous straight runs distributes.
3. the notacoria material with the sunken light function of anti-reflection according to claim 1 and 2, is characterized in that, described reflector comprises the polymer material layer that contains light reflective metals oxide.
4. the notacoria material with the sunken light function of anti-reflection according to claim 1, is characterized in that, described printing opacity hot sealing layer comprises the transparent polymer material resilient coating.
5. the notacoria material with the sunken light function of anti-reflection according to claim 1, is characterized in that, described insulating barrier comprises the polymer material layer that contains the inorganic matter that dispels the heat.
6. the notacoria material with the sunken light function of anti-reflection according to claim 1, is characterized in that, described structural reinforcing layer comprises glass and strengthens structure.
7. the notacoria material with the sunken light function of anti-reflection according to claim 1, is characterized in that, described weathering layer comprises the polymer material layer that contains the UV agent.
8. the notacoria material with the sunken light function of anti-reflection according to claim 1, is characterized in that, it also comprises the surface-treated layer that is stacked at the weathering layer below, and described surface-treated layer comprises viscous layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220675335 CN203013763U (en) | 2012-12-10 | 2012-12-10 | Back film material having function of reverse light trapping reduction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220675335 CN203013763U (en) | 2012-12-10 | 2012-12-10 | Back film material having function of reverse light trapping reduction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203013763U true CN203013763U (en) | 2013-06-19 |
Family
ID=48605328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220675335 Expired - Fee Related CN203013763U (en) | 2012-12-10 | 2012-12-10 | Back film material having function of reverse light trapping reduction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203013763U (en) |
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2012
- 2012-12-10 CN CN 201220675335 patent/CN203013763U/en not_active Expired - Fee Related
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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: 20130619 Termination date: 20181210 |