CN211195236U

CN211195236U - Wear-resistant coated solar cell back panel film

Info

Publication number: CN211195236U
Application number: CN201921890005.0U
Authority: CN
Inventors: 郭增瑞
Original assignee: Suzhou Saihui New Material Co ltd
Current assignee: Suzhou Saihui New Material Co ltd
Priority date: 2019-11-05
Filing date: 2019-11-05
Publication date: 2020-08-07
Anticipated expiration: 2029-11-05

Abstract

The utility model discloses a wear-resisting coating type solar cell backplate membrane, including backplate membrane body, wear-resisting coating, fire-retardant thin layer, first fluorine rete, basement membrane, second fluorine rete, enhancement layer, waterproof layer, high viscose layer and recess. The utility model discloses be equipped with wear-resisting coating on the surface of backplate membrane body, wear-resisting coating adopts ceramic particle coating, and ceramic particle has stronger wear-resisting and high temperature resistance ability, and what the fire-retardant thin layer adopted is the polyvinyl chloride material, and the polyvinyl chloride material has good fire resistance, has strengthened the whole functionality of the utility model; the utility model discloses be equipped with the recess on the surface of basement membrane, the basement membrane all is equipped with the high viscose layer between first fluorine rete, second fluorine rete, and the high viscose layer can be filled the recess on basement membrane surface to this strengthens the connective ability between basement membrane and the upper and lower thin layer, strengthens internal stability.

Description

Wear-resistant coated solar cell back panel film

Technical Field

The utility model relates to a solar cell backplate membrane specifically is a wear-resisting coating type solar cell backplate membrane, belongs to solar cell backplate membrane 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 a solar cell (photovoltaic) assembly, is positioned on the back of a solar cell panel, plays a role in protecting and supporting a cell, and has reliable insulativity, water resistance and aging resistance; the back plate film is divided into two types: one is a glued composite back plate film, a fluorine film or an EVA (ethylene vinyl acetate) adhesive film is compounded on two surfaces of a PET (polyethylene terephthalate) polyester film, and the structure of the three layers is commonly TPT (thermoplastic elastomer), TPE (thermoplastic elastomer), KPK (Kernel) and the like; one is coating a back plate film, coating fluororesin on two surfaces of a PET polyester film, and drying and curing to form a film.

In the prior art, the solar cell back plate film is simple in structure, insufficient in functionality when in use, easy to wear after long-term use, and general in gluing stability between the inner thin film layers of the solar cell back plate film. Therefore, an abrasion resistant coated solar cell backsheet 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 wear-resistant coated solar cell back sheet film.

The utility model realizes the purpose through the following technical proposal, a wear-resistant coating type solar cell back plate film comprises a back plate film body and a groove which are sequentially arranged from top to bottom;

the back plate film body comprises a wear-resistant coating, a flame-retardant film layer, a first fluorine film layer, a base film layer, a second fluorine film layer, a reinforcing layer, a waterproof layer and a high-viscosity adhesive layer, wherein the first fluorine film layer is arranged on the upper surface of the base film layer, the flame-retardant film layer is arranged on the upper surface of the first fluorine film layer, and the wear-resistant coating is arranged on the upper surface of the flame-retardant film layer; the lower surface of the base layer film is provided with the second fluorine film layer, the lower surface of the second fluorine film layer is provided with the reinforcing layer, the lower surface of the reinforcing layer is provided with the waterproof layer, and each coating is bonded by the high-viscosity adhesive layer to form the waterproof layer.

Preferably, the wear-resistant coating is a ceramic particle coating, and the thickness of the wear-resistant coating is 0.02-0.05 mm.

Preferably, the flame-retardant film layer is made of polyvinyl chloride materials, and the thickness of the flame-retardant film layer is 0.1-0.2 mm.

Preferably, the base layer film is a PET polyester film, and the thickness of the base layer film is 0.3-0.5 mm.

Preferably, the reinforcing layer is made of glass fiber materials, and the thickness of the reinforcing layer is 0.05-0.08 mm.

Preferably, the waterproof layer is made of an aluminum foil material, and the thickness of the waterproof layer is 0.1-0.2 mm.

Preferably, the grooves are formed in the upper surface and the lower surface of the base layer film, and the grooves are uniformly distributed on the surface of the base layer film.

The utility model has the advantages that:

1. the utility model discloses be equipped with wear-resisting coating on the surface of backplate membrane body, wear-resisting coating adopts ceramic particle coating, and ceramic particle has stronger wear-resisting and high temperature resistance ability, and what the fire-retardant thin layer adopted is the polyvinyl chloride material, and the polyvinyl chloride material has good fire resistance, has strengthened the whole functionality of the utility model;

2. the utility model discloses be equipped with the recess on the surface of basement membrane, the basement membrane all is equipped with the high viscose layer between first fluorine rete, second fluorine rete, and the high viscose layer can be filled the recess on basement membrane surface to this strengthens the connective ability between basement membrane and the upper and lower thin layer, strengthens internal stability.

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 half sectional view of the back plate film body of the present invention;

fig. 3 is a schematic view of the structure of the base layer film of the present invention.

In the figure: 1. the back plate film comprises a back plate film body, 2, a wear-resistant coating, 3, a flame-retardant film layer, 4, a first fluorine film layer, 5, a base film layer, 6, a second fluorine film layer, 7, a reinforcing layer, 8, a waterproof layer, 9, a high-viscosity adhesive layer, 10 and a groove.

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. 1-3, a wear-resistant coated solar cell back plate film comprises a back plate film body 1 and a groove 10 which are sequentially arranged from top to bottom;

the back plate film body 1 is composed of a wear-resistant coating 2, a flame-retardant film layer 3, a first fluorine film layer 4, a base film 5, a second fluorine film layer 6, a reinforcing layer 7, a waterproof layer 8 and a high-viscosity adhesive layer 9, wherein the first fluorine film layer 4 is arranged on the upper surface of the base film 5, the flame-retardant film layer 3 is arranged on the upper surface of the first fluorine film layer 4, and the wear-resistant coating 2 is arranged on the upper surface of the flame-retardant film layer 3; the lower surface of the base layer film 5 is provided with the second fluorine film layer 6, the lower surface of the second fluorine film layer 6 is provided with the reinforcing layer 7, the lower surface of the reinforcing layer 7 is provided with the waterproof layer 8, and each coating is connected through the high-viscosity adhesive layer 9 in an adhering mode.

The wear-resistant coating 2 is a ceramic particle coating, and the thickness of the wear-resistant coating 2 is 0.02-0.05mm, so that the wear resistance of the surface of the utility model is enhanced; the flame-retardant film layer 3 is made of polyvinyl chloride material, the thickness of the flame-retardant film layer 3 is 0.1-0.2mm, and the polyvinyl chloride material has strong flame retardance; the base film 5 is a PET polyester film, the thickness of the base film 5 is 0.3-0.5mm, and the PET polyester film has strong insulating property; the reinforcing layer 7 is made of glass fiber materials, and the thickness of the reinforcing layer 7 is 0.05-0.08mm, so that the supporting effect of the device is enhanced; the waterproof layer 8 is made of an aluminum foil material, the thickness of the waterproof layer 8 is 0.1-0.2mm, and the aluminum foil material has strong water resistance; the upper surface and the lower surface of the base layer film 5 are provided with the grooves 10, and the grooves 10 are uniformly distributed on the surface of the base layer film 5, so that the base layer film 5 is conveniently bonded and connected with the upper surface and the lower surface of the base layer film.

The utility model discloses when using, at first be equipped with wear-resisting coating 2 on the surface of backplate membrane body 1, wear-resisting coating 2 adopts ceramic particle coating, and ceramic particle has stronger wear-resisting and high temperature resistance ability, and what fire-retardant film layer 3 adopted is the polyvinyl chloride material, and the polyvinyl chloride material has good fire resistance, and what base film 5 adopted is PET polyester film, and PET polyester film has stronger insulating properties, what enhancement layer 7 adopted is the glass fiber material, has strengthened the supporting role of this device; the waterproof layer 8 is made of aluminum foil material which has strong water resistance, so that the overall functionality of the utility model is enhanced; then, grooves 10 are formed in the upper surface and the lower surface of the base layer film 5, the grooves 10 are formed in the upper surface and the lower surface of the base layer film 5, and the high-viscosity glue layer 8 can fill the grooves 10 in the surface of the base layer film 5, so that the connection capacity between the base layer film 5 and the upper thin film layer and the lower thin film layer is enhanced, and the internal stability is enhanced.

It is well within the skill of those in the art to implement, without undue experimentation, the present invention does not relate to software and process improvements, as related to circuits and electronic components and modules.

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. A wear-resistant coated solar cell back sheet film, characterized in that: comprises a backboard film body (1) and a groove (10) which are sequentially arranged from top to bottom;

the back plate film body (1) is composed of a wear-resistant coating (2), a flame-retardant film layer (3), a first fluorine film layer (4), a base film (5), a second fluorine film layer (6), a reinforcing layer (7), a waterproof layer (8) and a high-viscosity adhesive layer (9), the first fluorine film layer (4) is arranged on the upper surface of the base film (5), the flame-retardant film layer (3) is arranged on the upper surface of the first fluorine film layer (4), and the wear-resistant coating (2) is arranged on the upper surface of the flame-retardant film layer (3); the lower surface of the base layer film (5) is provided with the second fluorine film layer (6), the lower surface of the second fluorine film layer (6) is provided with the reinforcing layer (7), the lower surface of the reinforcing layer (7) is provided with the waterproof layer (8), and each coating is connected through the high-viscosity adhesive layer (9) in an adhesive manner.

2. The abrasion resistant coated solar cell backsheet film of claim 1, wherein: the wear-resistant coating (2) is a ceramic particle coating, and the thickness of the wear-resistant coating (2) is 0.02-0.05 mm.

3. The abrasion resistant coated solar cell backsheet film of claim 1, wherein: the flame-retardant film layer (3) is made of polyvinyl chloride materials, and the thickness of the flame-retardant film layer (3) is 0.1-0.2 mm.

4. The abrasion resistant coated solar cell backsheet film of claim 1, wherein: the base layer film (5) is a PET polyester film, and the thickness of the base layer film (5) is 0.3-0.5 mm.

5. The abrasion resistant coated solar cell backsheet film of claim 1, wherein: the reinforcing layer (7) is made of glass fiber materials, and the thickness of the reinforcing layer (7) is 0.05-0.08 mm.

6. The abrasion resistant coated solar cell backsheet film of claim 1, wherein: the waterproof layer (8) is made of aluminum foil materials, and the thickness of the waterproof layer (8) is 0.1-0.2 mm.

7. The abrasion resistant coated solar cell backsheet film of claim 1, wherein: the upper surface and the lower surface of the base layer film (5) are provided with the grooves (10), and the grooves (10) are uniformly distributed on the surface of the base layer film (5).