CN210668396U - Coating type FPC structure solar cell back panel film - Google Patents
Coating type FPC structure solar cell back panel film Download PDFInfo
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- CN210668396U CN210668396U CN201921995480.4U CN201921995480U CN210668396U CN 210668396 U CN210668396 U CN 210668396U CN 201921995480 U CN201921995480 U CN 201921995480U CN 210668396 U CN210668396 U CN 210668396U
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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
Abstract
The utility model discloses a coating type FPC structure solar cell backplate membrane, including ETFE membrane, first nylon complex film, aluminium foil reflectance coating, foam rubber layer, second nylon complex film, EVA membrane, modified polyolefin membrane, nylon membrane and polymer alloy membrane. The utility model comprises an ETFE membrane and a foaming rubber layer, wherein the ETFE membrane has the characteristics of high anti-fouling and easy cleaning, and the dust and dirt on the surface of the membrane can be removed by rainwater, thereby being beneficial to reducing the occurrence of the condition of accelerating the membrane corrosion caused by the dust and dirt adhered on the surface of the membrane; the utility model discloses a first nylon complex film and second nylon complex film not only can improve the holistic structural strength of membrane greatly, and it is good to separate hydrolysis and steam barrier nature to have excellent electrical insulation performance, improved the weatherability of membrane greatly, be favorable to improving the life of membrane.
Description
Technical Field
The utility model relates to a solar cell backplate membrane specifically is a coating type FPC structure solar cell backplate membrane, belongs to solar cell backplate membrane technical field.
Background
Solar energy is a novel clean energy, solar photovoltaic power generation is also called photovoltaic power generation, the solar photovoltaic power generation refers to a power generation mode of directly converting light energy into electric energy without a thermal process, and comprises photovoltaic power generation, photochemical power generation, photoinduction power generation and photobiological power generation, the photovoltaic power generation is a direct power generation mode of effectively absorbing solar radiation energy by using a solar-grade semiconductor electronic device and converting the solar radiation energy into electric energy, the direct power generation mode is the mainstream of current solar power generation, a solar cell backboard is an important element in solar power generation, a coating type FPC structure solar cell backboard is a common one of battery backboards, and a backboard film is adhered to the surface of the coating type FPC structure solar cell backboard to protect the backboard.
However, most of the back plate membranes of the existing coating type FPC structure solar cell back plate are only formed by compounding one or two membranes, the structural strength is low, the back plate membranes are easy to damage in use and are not beneficial to protection of the solar cell back plate, dust and dirt are easy to adhere to the surface of the membrane, the membrane is easy to corrode, and the service life of the membrane is not beneficial to guarantee. Therefore, a coating type FPC structure solar cell back sheet film has been proposed to address the above problems.
Disclosure of Invention
The present invention is directed to solving the above problems and providing a coating type FPC structure solar cell back sheet film.
The utility model discloses a following technical scheme realizes above-mentioned purpose, a coating type FPC structure solar cell backplate membrane, including ETFE membrane, first nylon complex film, aluminium foil reflectance coating, foam rubber layer, second nylon complex film and EVA membrane, the top surface complex of EVA membrane has second nylon complex film, the top surface complex of second nylon complex film has the foam rubber layer, the attached aluminium foil reflectance coating of installing of top surface on foam rubber layer, the top surface complex of aluminium foil reflectance coating has first nylon complex film, the top surface complex of first nylon complex film has the ETFE membrane.
Preferably, the first nylon composite membrane and the second nylon composite membrane have the same structure, the first nylon composite membrane and the second nylon composite membrane are both composed of a modified polyolefin membrane, a nylon membrane and a polymer alloy membrane, the polymer alloy membrane is compounded on the bottom surface of the nylon membrane, and the modified polyolefin membrane is compounded on the bottom surface of the polymer alloy membrane.
Preferably, the top surface of the ETFE membrane is sprayed with a non-stick coating, and the thickness of the ETFE membrane is 30-100 μm.
Preferably, the aluminum foil reflecting film is composed of a mylar and an aluminum foil coating, and the aluminum foil coating is coated on two corresponding side surfaces of the mylar.
Preferably, the glass fiber yarns are embedded and installed in the foamed rubber layer in a net shape, and the thickness of the foamed rubber layer is 150-250 μm.
Preferably, the top surface of ETFE membrane and the bottom surface of EVA membrane are all attached and are installed the protection film, the bottom surface coating of EVA membrane has the adhesive coating.
The utility model has the advantages that:
1. the utility model comprises an ETFE membrane and a foaming rubber layer, wherein the ETFE membrane has the characteristics of high anti-fouling and easy cleaning, and the dust and dirt on the surface of the membrane can be removed by rainwater, thereby being beneficial to reducing the occurrence of the condition of accelerating the membrane corrosion caused by the dust and dirt adhered on the surface of the membrane;
2. the utility model discloses a first nylon complex film and second nylon complex film not only can improve the holistic structural strength of membrane greatly, and it is good to separate hydrolysis and steam barrier nature to have excellent electrical insulation performance, improved the weatherability of membrane greatly, be favorable to improving the life of membrane.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.
FIG. 1 is a schematic view of the internal structure of the present invention;
fig. 2 is a schematic view of the internal structure of the first nylon composite film of the present invention.
In the figure: 1. ETFE membrane, 2, first nylon complex film, 3, aluminium foil reflectance coating, 4, foamed rubber layer, 5, second nylon complex film, 6, EVA membrane, 7, modified polyolefin membrane, 8, nylon membrane, 9, polymer alloy membrane.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Referring to fig. 1-2, a coating type FPC structure solar cell back panel film includes an ETFE film 1, a first nylon composite film 2, an aluminum foil reflective film 3, a foam rubber layer 4, a second nylon composite film 5 and an EVA film 6, the second nylon composite film 5 is compounded on the top surface of the EVA film 6, the foam rubber layer 4 is compounded on the top surface of the second nylon composite film 5, the aluminum foil reflective film 3 is attached to the top surface of the foam rubber layer 4, the first nylon composite film 2 is compounded on the top surface of the aluminum foil reflective film 3, and the ETFE film 1 is compounded on the top surface of the first nylon composite film 2.
The first nylon composite film 2 and the second nylon composite film 5 have the same structure, the first nylon composite film 2 and the second nylon composite film 5 are both composed of a modified polyolefin film 7, a nylon film 8 and a polymer alloy film 9, the polymer alloy film 9 is compounded on the bottom surface of the nylon film 8, and the modified polyolefin film 7 is compounded on the bottom surface of the polymer alloy film 9, so that the overall weather resistance and the structural strength of the films are improved conveniently; the top surface of the ETFE membrane 1 is sprayed with a non-stick coating, and the thickness of the ETFE membrane 1 is 30-100 μm, so that the membrane can be conveniently cleaned with water; the aluminum foil reflecting film 3 is composed of a polyester film and an aluminum foil coating, and the aluminum foil coating is coated on two corresponding side surfaces of the polyester film, so that the light reflecting capacity of the film is improved conveniently, and sunlight is prevented from irradiating the solar cell backboard; glass fiber yarns are embedded in the foamed rubber layer 4 in a net shape, so that the tensile capacity of the film is improved conveniently, and the thickness of the foamed rubber layer 4 is 150-250 micrometers; the protection film is all attached to the top surface of ETFE membrane 1 and the bottom surface of EVA membrane 6 and installed, the bottom surface coating of EVA membrane 6 has adhesive coating, and the membrane of being convenient for is in the same place with the bonding of solar cell backplate.
The utility model discloses when using, this backplate membrane is mainly by ETFE membrane 1, first nylon complex film 2, aluminium foil reflectance coating 3, foam rubber layer 4, second nylon complex film 5 is compound to be formed, ETFE membrane 1 has high anti-soil, easy abluent characteristics, the dust and the dirt on membrane surface can be clear away to the rainwater, be favorable to reducing the emergence that membrane surface adhesion dust and dirt caused and accelerate the membrane corrosion condition, first nylon complex film 2 and second nylon complex film 5 not only can improve the holistic structural strength of membrane greatly, hydrolysis resistance and steam separation nature are good, and have excellent electrical insulation performance, the weatherability of membrane has been improved greatly, be favorable to improving the life of membrane, foam rubber layer 4 compliance is higher, when object impact membrane, can absorb very big some impact under foam rubber layer 4's effect, the protection of the solar cell backplate of being convenient for.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (6)
1. A coating type FPC structure solar cell back panel membrane which characterized in that: including ETFE membrane (1), first nylon composite membrane (2), aluminium foil reflectance coating (3), foamed rubber layer (4), second nylon composite membrane (5) and EVA membrane (6), the top surface complex of EVA membrane (6) has second nylon composite membrane (5), the top surface complex of second nylon composite membrane (5) has foamed rubber layer (4), aluminium foil reflectance coating (3) are installed to the top surface adhesion of foamed rubber layer (4), the top surface complex of aluminium foil reflectance coating (3) has first nylon composite membrane (2), the top surface complex of first nylon composite membrane (2) has ETFE membrane (1).
2. A coated FPC structure solar cell backplane film according to claim 1, wherein: first nylon complex film (2) and second nylon complex film (5) structure is the same, first nylon complex film (2) and second nylon complex film (5) all constitute by modified polyolefin membrane (7), nylon membrane (8) and polymer alloy membrane (9), the bottom surface complex of nylon membrane (8) has polymer alloy membrane (9), the bottom surface complex of polymer alloy membrane (9) has modified polyolefin membrane (7).
3. A coated FPC structure solar cell backplane film according to claim 1, wherein: the top surface of the ETFE membrane (1) is sprayed with a non-stick coating, and the thickness of the ETFE membrane (1) is 30-100 mu m.
4. A coated FPC structure solar cell backplane film according to claim 1, wherein: the aluminum foil reflecting film (3) is composed of a polyester film and an aluminum foil coating, and the aluminum foil coating is coated on two corresponding side faces of the polyester film.
5. A coated FPC structure solar cell backplane film according to claim 1, wherein: glass fiber yarns are embedded in the foaming rubber layer (4) in a net shape, and the thickness of the foaming rubber layer (4) is 150-250 micrometers.
6. A coated FPC structure solar cell backplane film according to claim 1, wherein: the top surface of ETFE membrane (1) and the bottom surface of EVA membrane (6) are all attached and are installed the protection film, the bottom surface coating of EVA membrane (6) has the adhesive coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921995480.4U CN210668396U (en) | 2019-11-19 | 2019-11-19 | Coating type FPC structure solar cell back panel film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921995480.4U CN210668396U (en) | 2019-11-19 | 2019-11-19 | Coating type FPC structure solar cell back panel film |
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| Publication Number | Publication Date |
|---|---|
| CN210668396U true CN210668396U (en) | 2020-06-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921995480.4U Expired - Fee Related CN210668396U (en) | 2019-11-19 | 2019-11-19 | Coating type FPC structure solar cell back panel film |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113427853A (en) * | 2021-07-01 | 2021-09-24 | 东莞华尔泰装饰材料有限公司 | Aluminum-plastic composite back plate and application thereof |
-
2019
- 2019-11-19 CN CN201921995480.4U patent/CN210668396U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113427853A (en) * | 2021-07-01 | 2021-09-24 | 东莞华尔泰装饰材料有限公司 | Aluminum-plastic composite back plate and application thereof |
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| GR01 | Patent grant | ||
| 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: 20200602 Termination date: 20201119 |