CN215321165U

CN215321165U - Tectorial membrane photovoltaic glass

Info

Publication number: CN215321165U
Application number: CN202120647951.3U
Authority: CN
Inventors: 王奕枫; 张瑞南
Original assignee: Jiangsu Huahitneng New Material Technology Co ltd
Current assignee: Jiangsu Huahitneng New Material Technology Co ltd
Priority date: 2021-03-30
Filing date: 2021-03-30
Publication date: 2021-12-28
Anticipated expiration: 2031-03-30

Abstract

The utility model relates to film-coated photovoltaic glass which comprises protective glass, wherein a protective layer is arranged on the surface of the protective glass, the protective layer comprises an inner plastic film, the outer side surface of the inner plastic film is adhered to the inner side surface of an outer fluorocarbon film through a first adhesive, and the inner side surface of the inner plastic film is adhered to the surface of the protective glass through a second adhesive. The film-coated photovoltaic glass is not easy to accumulate dust, so that the cost of equipment is reduced, and the effectiveness of the equipment is improved.

Description

Tectorial membrane photovoltaic glass

Technical Field

The utility model relates to photovoltaic glass, in particular to laminated photovoltaic glass.

Background

The solar cell panel or the photovoltaic panel is a main component for converting solar energy into electric energy, a layer of photovoltaic glass is attached to the surface of the solar cell panel or the photovoltaic panel, the existing photovoltaic glass is toughened glass, the surface of the existing photovoltaic glass is not subjected to film covering treatment, the solar cell panel is generally installed outdoors, a layer of dust is easily covered on the surface of the solar cell panel after long-time use, the dust on the surface of the photovoltaic panel can be removed manually by a household cell panel, a large amount of photovoltaic equipment arranged in a field area with rare human smoke is generally removed by an electric brush, the whole cost of the solar power generation equipment is increased, and the risk of equipment failure also exists.

In view of the above-mentioned drawbacks, the designer actively makes research and innovation to create a new structure of film-coated photovoltaic glass, so that the film-coated photovoltaic glass has more industrial utility value.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model aims to provide the film-coated photovoltaic glass with the surface which is not easy to accumulate dust.

The film-coated photovoltaic glass comprises protective glass, wherein a protective layer is arranged on the surface of the protective glass and comprises an inner plastic film, the outer side surface of the inner plastic film is adhered to the inner side surface of an outer fluorocarbon film through a first adhesive, and the inner side surface of the inner plastic film is adhered to the surface of the protective glass through a second adhesive.

Further, according to the film-coated photovoltaic glass, the inner plastic film is a PETG plastic film.

Further, according to the film-coated photovoltaic glass provided by the utility model, the outer fluorine carbon film is a PVDF fluorine carbon film.

Furthermore, the thickness of the PETG plastic film is less than 1.5 mm

By the scheme, the utility model at least has the following advantages: according to the film-coated photovoltaic glass, the protective layer consisting of the outer fluorocarbon film and the inner plastic film is attached to the surface of the protective glass, and after the fluorocarbon film is subjected to surface treatment such as coating of PVDF coating liquid, a PVDF coating with lower polarity is formed on the surface of the fluorocarbon film, so that the roughness of the surface of the protective glass is improved, dust is not easy to accumulate on the surface of the protective glass, and the surface dust is easy to blow away by wind even if a small amount of dust exists, so that the surface dust is self-cleaned, the surface dust is not required to be cleaned by a manual or electric brush, the cost of equipment is reduced, and the photoelectric conversion efficiency of a photovoltaic panel is improved. Wherein the inner plastic film can be a transparent plastic film made of high molecular organic materials such as PETG and the like, and the outer fluorocarbon film is PVDF or PVF fluorocarbon film.

In conclusion, the film-coated photovoltaic glass disclosed by the utility model is not easy to accumulate dust on the surface, so that the cost of equipment is reduced, and the effectiveness of the equipment is improved.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings.

Drawings

Fig. 1 is a schematic perspective view of a laminated photovoltaic glass.

FIG. 2 is a schematic cross-sectional structure view of the film-coated photovoltaic glass.

In the figure, a protective glass 1, an inner plastic film 2, a first adhesive 3, a fluorocarbon film 4, a second adhesive 5 and a surface treatment agent 6 are arranged.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.

Referring to fig. 1 and 2, a film-coated photovoltaic glass according to a preferred embodiment of the present invention includes a protective glass 1, a protective layer is disposed on a surface of the protective glass, the protective layer includes an inner plastic film 2, an outer side surface of the inner plastic film is adhered to an inner side surface of an outer fluorocarbon film 4 by a first adhesive 3, and an inner side surface of the inner plastic film is adhered to a surface of the protective glass by a second adhesive 5.

According to the film-coated photovoltaic glass, the protective layer consisting of the outer fluorocarbon film and the inner plastic film is attached to the surface of the protective glass, and after the fluorocarbon film is subjected to surface treatment such as coating of PVDF coating liquid, a PVDF coating with lower polarity is formed on the surface of the fluorocarbon film, so that the roughness of the surface of the protective glass is improved, dust is not easy to accumulate on the surface of the protective glass, and the surface dust is easy to blow away by wind even if a small amount of dust exists, so that the surface dust is self-cleaned, the surface dust is not required to be cleaned by a manual or electric brush, the cost of equipment is reduced, and the photoelectric conversion efficiency of a photovoltaic panel is improved. Wherein the inner plastic film can be a transparent plastic film made of high molecular organic materials such as PETG and the like, and the outer fluorocarbon film is PVDF or PVF fluorocarbon film. In specific implementation, the surface treatment agent 6 is arranged between the fluorocarbon film and the first adhesive.

Preferably, in the film-covered photovoltaic glass of the present invention, the inner plastic film is a PETG plastic film.

Preferably, in the coated photovoltaic glass of the present invention, the outer fluorocarbon film is a PVDF fluorocarbon film.

The peeling force of the PVDF fluorocarbon film and the PETG plastic film is larger than 15N/5cm after the PVDF fluorocarbon film and the PETG plastic film are glued, so that the laminated photovoltaic glass can meet the requirement on strength.

Preferably, the thickness of the PETG plastic film is less than 1.5 mm

The thinner PETG plastic film can increase the transmittance of sunlight, thereby increasing the photoelectric conversion efficiency of the photovoltaic panel, and is preferably 1 mm.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description.

In addition, the above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention. Also, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a tectorial membrane photovoltaic glass, includes cover glass, its characterized in that: the surface of the protective glass is provided with a protective layer, the protective layer comprises an inner plastic film, the outer side surface of the inner plastic film is pasted on the inner side surface of the outer fluorocarbon film through a first adhesive, and the inner side surface of the inner plastic film is pasted on the surface of the protective glass through a second adhesive.

2. The laminated photovoltaic glass of claim 1, wherein: the inner plastic film is a PETG plastic film.

3. The laminated photovoltaic glass of claim 2, wherein: the outer layer fluorine carbon film is a PVDF fluorine carbon film.

4. The laminated photovoltaic glass of claim 3, wherein: the thickness of the PETG plastic film is less than 1.5 mm.