CN210668398U

CN210668398U - Fluorine-containing high-weather-resistance solar cell back film

Info

Publication number: CN210668398U
Application number: CN201922043161.XU
Authority: CN
Inventors: 郭增瑞
Original assignee: Suzhou Saihui New Material Co Ltd
Current assignee: Suzhou Saihui New Material Co Ltd
Priority date: 2019-11-25
Filing date: 2019-11-25
Publication date: 2020-06-02
Anticipated expiration: 2029-11-25

Abstract

The utility model discloses a fluorine-containing high weather-resistant solar cell back film, including solar energy backplate, waterproof layer, insulating layer, PET polyester film, resistance layer, hydrolysis-resistant layer, ETFE material layer, weather-resistant layer and polyamide barrier layer. The utility model discloses it is rational in infrastructure, glue the waterproof layer of making with the acrylic plate of connection through solar energy backplate one end, improve waterproof nature in the time of improving notacoria intensity, improve the insulating properties of notacoria through the insulating layer, the resistance layer and the resistance in situ portion's PET polyester film of making through the polyurethane material layer improve the wearability of notacoria, the heat resistance, fire resistance and durability, the hydrolysis resistant layer of making through the polytetrafluoroethylene film layer, improve the voltage resistance intensity and the insulating nature of notacoria, weather resistant layer of making through organic fluorine epoxy, further strengthen the corrosion resistance of notacoria, the wearability, the heat resistance, the hydrophobicity, moisture resistance and durability, through the polyamide barrier layer, provide good wearability and chemical resistance for the top layer of notacoria.

Description

Fluorine-containing high-weather-resistance solar cell back film

Technical Field

The utility model relates to a solar cell notacoria specifically is a high resistant solar cell notacoria that waits of fluorine-containing belongs to solar cell application technical field.

Background

The solar cell backboard is also called as a solar cell backboard film, a photovoltaic backboard film and a solar backboard, is widely applied to solar cell (photovoltaic) components, is positioned on the back of a solar cell panel, plays a role in protecting and supporting a cell, has reliable insulativity, water resistance and aging resistance, generally has a three-layer structure (PVDF/PET/PVDF), an outer protective layer PVDF has good environmental erosion resistance, a middle layer is a PET polyester film and has good insulating property, and an inner layer PVDF and EVA have good bonding property.

Present solar cell notacoria comprises the substrate layer and the fluorocarbon resin layer of coating in the substrate layer both sides, though effective increase of service life, but intensity is lower, the damage of easy rupture, dampproofing separation steam nature simultaneously is relatively poor, can't resist moisture separation steam for a long time, make water make solar cell's electric capacity and reliability descend, moreover, compressive capacity is relatively poor, and life is low, and general notacoria weatherability is relatively poor, under natural environment, the notacoria is corroded easily, influence the life of notacoria then. Therefore, a fluorine-containing high-weather-resistance solar cell back film is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solve the above problems and to provide a fluorine-containing solar cell back film with high weather resistance.

The utility model discloses a following technical scheme realizes above-mentioned purpose, a fluorine-containing high resistant solar cell notacoria of waiting, including the solar energy backplate, the one end of solar energy backplate is glued and is connected the waterproof layer, the top of waterproof layer is glued and is connected the insulating layer, the top of insulating layer is glued and is connected the resistance layer, the top on resistance layer is glued and is connected and separate the hydrolysis layer, the top on separate the hydrolysis layer is glued and is connected the ETFE material layer, the top on ETFE material layer is glued and is connected resistant layer of waiting, the top on resistant layer is glued and is connected the polyamide barrier layer.

Preferably, the resistant layer is a polyurethane material layer, and the PET mylar is bonded and connected to the interior of the resistant layer.

Preferably, the weather-resistant layer is an organic fluorine epoxy resin, and the thickness of the weather-resistant layer is 50 μm.

Preferably, the hydrolysis-resistant layer is a polytetrafluoroethylene film layer, and the thickness of the hydrolysis-resistant layer is 80 μm.

Preferably, the polyamide barrier layer has a thickness of 60 μm.

Preferably, the waterproof layer is an acrylic sheet, and the thickness of the waterproof layer is 20 μm.

The utility model has the advantages that:

1. waterproof layer that the inferior gram force board of gluing and connecting through solar energy backplate one end made improves waterproof nature when improving the notacoria intensity, improves the insulating properties of notacoria through the insulating layer, and the resistance layer made through the polyurethane material layer and the inside PET polyester film of resistance layer improve the wearability, heat resistance, hydrophobicity, moisture resistance, dielectricity, resistant stain nature, fire resistance and the durability of notacoria, and the layer is separated to the water resistance that makes through the polytetrafluoroethylene film layer, improves the withstand voltage intensity and the insulating nature of notacoria.

2. The back film is provided with good heat resistance, chemical resistance and electrical insulation performance through the ETFE material layer, the corrosion resistance, wear resistance, heat resistance, hydrophobicity, moisture resistance and durability of the back film are further enhanced through the weather-resistant layer made of organic fluorine epoxy resin, and the good wear resistance and chemical resistance are provided for the surface layer of the back film through the polyamide barrier layer.

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 overall structure of the present invention;

fig. 2 is a schematic diagram of the position of the PET mylar and the resistant layer of the present invention.

In the figure: 1. the solar energy backboard comprises a solar energy backboard body, 2 a waterproof layer, 3 an insulating layer, 4 a PET (polyethylene terephthalate) polyester film, 5 a resistance layer, 6 a hydrolysis-resistant layer, 7 an ETFE (ethylene-vinyl acetate) material layer, 8 a weather-resistant layer, 9 and a polyamide blocking layer.

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 fluorine-containing high weather-resistant solar cell back film comprises a solar back plate 1, wherein one end of the solar back plate 1 is adhered and connected with a waterproof layer 2, the top end of the waterproof layer 2 is adhered and connected with an insulating layer 3, the top end of the insulating layer 3 is adhered and connected with a resistance layer 5, the top end of the resistance layer 5 is adhered and connected with a hydrolysis-resistant layer 6, the top end of the hydrolysis-resistant layer 6 is adhered and connected with an ETFE material layer 7, the top end of the ETFE material layer 7 is adhered and connected with a weather-resistant layer 8, and the top end of the weather-resistant layer 8 is adhered and connected with a polyamide barrier layer 9, so that the service life.

The resistant layer 5 is a polyurethane material layer, and the PET polyester film 4 is bonded and connected inside the resistant layer 5, so that the wear resistance and the heat resistance of the back film are improved; the weather-resistant layer 8 is made of organic fluorine epoxy resin, the thickness of the weather-resistant layer 8 is 50 micrometers, and weather resistance of the back film is improved; the hydrolysis-resistant layer 6 is a polytetrafluoroethylene film layer, and the thickness of the hydrolysis-resistant layer 6 is 80 microns, so that the service life of the back film is prolonged; the polyamide barrier layer 9 has a thickness of 60 μm, and provides good abrasion resistance and chemical resistance to the surface layer of the backing film; the waterproof layer 2 is an acrylic plate, the thickness of the waterproof layer 2 is 20 micrometers, and the waterproofness of the back film is improved.

The utility model discloses when using, waterproof layer 2 that the inferior gram force board of gluing and connecting through 1 one end of solar energy backplate made, improve waterproof nature when improving the notacoria intensity, improve the insulating properties of notacoria through insulating layer 3, resistance layer 5 and the inside PET polyester film 4 of resistance layer 5 made through the polyurethane material layer improve the wearability of notacoria, heat resistance, hydrophobicity, moisture resistance, dielectricity, contamination resistance, fire resistance and durability, hydrolysis resistance layer 6 through polytetrafluoroethylene film layer is made, improve the withstand voltage intensity and the insulating nature of notacoria, through ETFE material layer 7, provide good heat-resisting, chemical resistance and electrical insulation for the notacoria, weather resistant layer 8 through organic fluorine epoxy resin makes, further strengthen the corrosion resistance of notacoria, the wearability, the heat resistance, the hydrophobicity, moisture resistance and durability, through polyamide barrier layer 9, providing good abrasion and chemical resistance to the surface layer of the backing film.

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

1. The fluorine-containing high-weather-resistance solar cell back film is characterized in that: including solar energy backplate (1), waterproof layer (2) are glued and are connected to the one end of solar energy backplate (1), the top of waterproof layer (2) is glued and is connected insulating layer (3), the top of insulating layer (3) is glued and is connected resistance layer (5), the top of resistance layer (5) is glued and is connected hydrolysis resistant layer (6), the top of hydrolysis resistant layer (6) is glued and is connected ETFE material layer (7), the top of ETFE material layer (7) is glued and is connected resistant layer (8), the top of resistant layer (8) is glued and is connected polyamide barrier layer (9).

2. The fluorine-containing highly weatherable solar cell back film according to claim 1, wherein: the resistance layer (5) is a polyurethane material layer, and the PET polyester film (4) is bonded and connected to the inside of the resistance layer (5).

3. The fluorine-containing highly weatherable solar cell back film according to claim 1, wherein: the weather-resistant layer (8) is made of organic fluorine epoxy resin, and the thickness of the weather-resistant layer (8) is 50 mu m.

4. The fluorine-containing highly weatherable solar cell back film according to claim 1, wherein: the hydrolysis-resistant layer (6) is a polytetrafluoroethylene film layer, and the thickness of the hydrolysis-resistant layer (6) is 80 mu m.

5. The fluorine-containing highly weatherable solar cell back film according to claim 1, wherein: the thickness of the polyamide barrier layer (9) is 60 [ mu ] m.

6. The fluorine-containing highly weatherable solar cell back film according to claim 1, wherein: the waterproof layer (2) is an acrylic plate, and the thickness of the waterproof layer (2) is 20 micrometers.