CN213692070U

CN213692070U - Super-white photovoltaic coated toughened glass

Info

Publication number: CN213692070U
Application number: CN202120019401.7U
Authority: CN
Inventors: 周伟; 钱炜; 骆瑞荣
Original assignee: Wuxi Liangsheng Special Glass Co ltd
Current assignee: Wuxi Liangsheng Special Glass Co ltd
Priority date: 2021-01-05
Filing date: 2021-01-05
Publication date: 2021-07-13
Anticipated expiration: 2031-01-05

Abstract

The utility model discloses ultra-white photovoltaic coated toughened glass, which comprises a surface glass layer, an upper connecting adhesive film layer, a solar cell layer, a lower connecting adhesive film layer and a back glass layer, the upper connecting adhesive film layer is arranged between the surface glass layer and the solar cell layer, the lower connecting adhesive film layer is arranged between the solar cell layer and the back glass layer, a first triangular bulge is arranged on one side of the surface glass layer close to the solar cell layer, a second triangular bulge is arranged on one side of the back glass layer close to the solar cell layer, the light can be reflected to the range of the solar cell through the inclined planes on the first triangular bulge and the second triangular bulge by the arranged first triangular bulge and the second triangular bulge, thereby improving the light conversion rate of the solar cell and solving the technical problem of light leakage of the traditional photovoltaic glass.

Description

Super-white photovoltaic coated toughened glass

Technical Field

The utility model relates to a photovoltaic glass technical field especially relates to an ultrawhite photovoltaic coating film toughened glass.

Background

With the gradual consumption and exhaustion of the traditional fossil fuel, the continuous use of the conventional energy brings a series of economic and social problems of energy shortage, environmental deterioration and the like. The development of the solar photovoltaic power generation technology is one of the important ways to solve the above problems, and in recent years, the solar photovoltaic power generation technology has become a hot point of research worldwide. The working principle of the photovoltaic module is to directly convert solar energy into electric energy. The photovoltaic glass is a photovoltaic cell assembly formed by converging two pieces of glass and a solar cell piece to a lead end in series and parallel by a lead, wherein the two pieces of glass and the solar cell piece form a composite layer. Compared with the common photovoltaic module, the photovoltaic module has the advantages of long service life, high power generation quantity, small attenuation, good barrier property, attractive appearance, capability of being perfectly combined with a building, easiness in recycling, difficulty in accumulated snow and dust accumulation and difficulty in hidden cracking.

In the prior art, common photovoltaic glass comprises an upper glass layer, an upper packaging adhesive film, a photovoltaic cell piece, a lower packaging adhesive film and a lower glass layer from top to bottom in sequence. In the actual use process, because the light transmission of the upper glass layer and the lower glass layer is strong, after part of light enters the photovoltaic glass, light leakage is generated in the gaps between the cell pieces and the edges of the glass, and the light cannot be reflected to the cell pieces, so that the light energy utilization rate of the photovoltaic glass is low.

SUMMERY OF THE UTILITY MODEL

An embodiment of the utility model provides a super white photovoltaic coating film toughened glass to solve traditional photovoltaic glass and appear the light leak easily, pass the technical problem that light between the battery piece does not obtain utilizing.

The embodiment of the utility model provides an adopt following technical scheme: including surperficial glass layer, go up connection glued membrane layer, solar cell layer, connect glued membrane layer and back glass layer down, it locates to go up to connect the glued membrane layer surperficial glass layer with between the solar cell layer, it locates to connect the glued membrane layer down the solar cell layer with between the back glass layer, the surperficial glass layer is close to one side of solar cell layer is equipped with first triangle-shaped arch, the back glass layer is close to one side of solar cell layer is equipped with the second triangle-shaped arch.

Furthermore, the surface of the first triangular protrusion is plated with a magnesium oxide film.

Furthermore, the surface of the second triangular protrusion is plated with a silver film.

Further, the surface glass layer is made of ultra-white glass.

Further, the back glass layer is tempered glass.

Further, the upper connecting adhesive film layer and the lower connecting adhesive film layer are both PVB adhesive films.

The embodiment of the utility model provides an above-mentioned at least one technical scheme who adopts can reach following beneficial effect:

one of the two, the embodiment of the utility model provides a when partial light does not utilize by solar cell because the clearance that passes between the solar cell, protruding and the protruding inclined plane reflection to solar cell that can be through protruding and the second triangle-shaped of this part light of first triangle-shaped through setting up of first triangle-shaped arch and second triangle-shaped arch to improve solar cell's light conversion rate, solved the technical problem of traditional photovoltaic glass light leak.

Second, the embodiment of the utility model provides a through plate the magnesium oxide film on the bellied surface of first triangle-shaped, can increase glass's luminousness, reflection when reducing light and getting into glass for it is more to get into glass's light, increases the light that solar cell layer can receive, improves photovoltaic glass's generating efficiency.

Third, the embodiment of the utility model provides a through plating silver film on the bellied surface of second triangle-shaped, silver film has the characteristics of high reflection, and have the effect that the high fever is obstructed, the light that passes between the solar cell and do not obtain utilizing shines behind the silver coating film by the reflection, thereby the light of reflection shines on the solar cell by the utilization, thereby prevent that the light that sees through out from the clearance between the solar cell from seeing through back glass layer and can't be utilized by solar cell, the utilization efficiency of sunlight has been increased, play the effect of isolated high temperature simultaneously.

Drawings

The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it. In the drawings:

fig. 1 is an exploded view of the present invention.

Reference numerals

The solar cell comprises a surface glass layer 1, a first triangular protrusion 11, an upper connecting adhesive film layer 2, a solar cell layer 3, a lower connecting adhesive film layer 4, a back glass layer 5 and a second triangular protrusion 51.

Detailed Description

To make the purpose, technical solution and advantages of the present invention clearer, the following will combine the embodiments of the present invention and the corresponding drawings to clearly and completely describe the technical solution of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The technical solutions provided by the embodiments of the present invention are described in detail below with reference to the accompanying drawings.

The embodiment of the utility model provides an ultrawhite photovoltaic coating film toughened glass, include surperficial glass layer 1, go up connection glued membrane layer 2, solar cell layer 3, connect glued membrane layer 4 and back glass layer 5 down, go up connection glued membrane layer 2 and locate surperficial glass layer 1 with between the solar cell layer 3, connect glued membrane layer 4 down and locate solar cell layer 3 with between the back glass layer 5, surperficial glass layer 1 is close to one side of solar cell layer 3 is equipped with first triangle-shaped arch 11, back glass layer 5 is close to one side of solar cell layer 3 is equipped with the protruding 51 of second triangle-shaped, and when partial light did not utilize by solar cell because of passing the clearance between the solar cell, through the protruding 11 of first triangle-shaped that sets up and the protruding 51 of second triangle-shaped can reflect this partial light to solar cell's model through the inclined plane on the protruding 11 of first triangle-shaped and the protruding 51 of second triangle-shaped Thereby improving the light conversion rate of the solar cell.

Preferably, the surface of the first triangular protrusion 11 is plated with a magnesium oxide film, so that the light transmittance of the glass can be increased, the reflection of light rays entering the glass is reduced, more light rays entering the glass are obtained, and the light rays received by the solar cell layer 3 are increased.

Preferably, the surface of the second triangular protrusion 51 is plated with a silver film, the silver film has the characteristic of high reflection and has a high thermal insulation effect, light which passes through the solar cells and is not utilized is reflected after being irradiated on the silver film, the reflected light is utilized after being irradiated on the solar cells, the light which is transmitted through the gap between the solar cells is prevented from being utilized by the solar cells because the light is transmitted through the back glass layer 5, and the utilization efficiency of sunlight is increased.

Preferably, the surface glass layer 1 is ultra-white glass, the ultra-white glass has low iron content, high permeability and excellent physical, mechanical and optical properties, and has the characteristics of ultraviolet resistance and no reduction of the light transmittance of the glass, so that the surface glass layer is very suitable for being used in photovoltaic glass.

Preferably, the back glass layer 5 is toughened glass, and the toughened glass has high strength and good bearing capacity, so that the wind pressure resistance, the shock resistance and the cold heat resistance of the photovoltaic glass are enhanced.

Preferably, go up connect the glued membrane layer 2 with connect the glued membrane layer 4 down and be the PVB glued membrane, the EVA glued membrane cold tolerance nature of general use is not good, and the material decomposes the yellowing easily under light after long-term the use, the EVA glued membrane in case the yellow just can the seeing through of the light that significantly reduces, thereby influence photovoltaic module's electricity generation performance, the EVA glued membrane is easy to rise at the temperature of shining of sunlight down simultaneously, easy burning, use the PVB complex film, can improve photovoltaic glass's weatherability, be applicable to adverse circumstances, especially the great environment of the difference in temperature.

The above description is only an example of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. The utility model provides an ultrawhite photovoltaic coated tempered glass which is characterized in that includes: surface glass layer (1), go up connection glued membrane layer (2), solar cell layer (3), connect glued membrane layer (4) and back glass layer (5) down, it locates to go up connection glued membrane layer (2) surface glass layer (1) with between solar cell layer (3), connect glued membrane layer (4) down and locate solar cell layer (3) with between back glass layer (5), surface glass layer (1) is close to one side of solar cell layer (3) is equipped with first triangle-shaped arch (11), back glass layer (5) are close to one side of solar cell layer (3) is equipped with the protruding (51) of second triangle-shaped.

2. The ultra-white photovoltaic coated tempered glass as claimed in claim 1, wherein the surface of the first triangular protrusion (11) is coated with a magnesium oxide film.

3. The ultra-white photovoltaic coated tempered glass as claimed in claim 1, wherein the surface of the second triangular protrusion (51) is coated with a silver film.

4. The ultra-white photovoltaic coated tempered glass of claim 1, wherein the surface glass layer (1) is ultra-white glass.

5. The ultra-white photovoltaic coated tempered glass of claim 1, wherein the back glass layer (5) is tempered glass.

6. The super-white photovoltaic coated tempered glass according to claim 1, wherein the upper connecting adhesive film layer (2) and the lower connecting adhesive film layer (4) are both PVB adhesive films.