CN215988786U

CN215988786U - Anti-reflection glass for photovoltaic module

Info

Publication number: CN215988786U
Application number: CN202121976166.9U
Authority: CN
Inventors: 陈协民; 葛宜艳
Original assignee: Anqing Solate New Material Technology Co ltd
Current assignee: Anqing Solate New Material Technology Co ltd
Priority date: 2021-08-20
Filing date: 2021-08-20
Publication date: 2022-03-08
Anticipated expiration: 2031-08-20

Abstract

The utility model belongs to the technical field of photovoltaic glass, and particularly relates to anti-reflection glass for a photovoltaic module. According to the utility model, the plurality of irregular prisms and the antireflection film layer which are arranged on the ultra-white glass layer are matched with each other, so that the reflected light area of the ultra-white glass can be enlarged, the photovoltaic conversion efficiency is improved, the light can be effectively prevented from being reflected out of the ultra-white glass, the conversion rate of the light is improved, the absorption capacity of the ultra-white glass to the light with different incident angles can be enhanced due to different inclination angles of the outer surface inclined planes of each prism, and meanwhile, the transmission capacity of the light can be enhanced through the arranged light-enhancing film layer.

Description

Anti-reflection glass for photovoltaic module

Technical Field

The utility model relates to the technical field of photovoltaic glass, in particular to anti-reflection glass for a photovoltaic module.

Background

With the rapid development of economy, the demand for energy is also increasing. On one hand, the traditional disposable resources are increasingly deficient, and energy sources for sustainable development need to be searched; on the other hand, the environmental pollution caused by the combustion of disposable energy resources such as coal resources has been a social problem, and the search for a technology capable of replacing the conventional disposable resources has been urgent. Solar energy is an environment-friendly energy source which can be continuously utilized and is gradually paid attention to by people. Therefore, how to utilize sufficient solar resources to meet the living needs of people is an important development direction. The property of the solar photovoltaic panel can be utilized to convert light energy into electric energy for people to use.

The existing anti-reflection glass has low anti-reflection efficiency and limited reflection light area, so that partial light rays are reflected to the outside of a photovoltaic module and cannot be fully utilized, sunlight at different incident angles cannot be fully absorbed, and the maximum conversion efficiency is difficult to obtain.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving one of the technical problems of the prior art or the related art.

Therefore, the technical scheme adopted by the utility model is as follows:

the anti-reflection glass for the photovoltaic module comprises a super-white glass layer, wherein the super-white glass layer comprises a strengthening layer, a heat insulation layer fixed at the bottom of the strengthening layer, an anti-reflection prism layer arranged at the top of the super-white glass layer, a light enhancement film layer arranged at the top of the anti-reflection prism layer and an anti-reflection film layer fixed on the surface of the light enhancement film layer.

The present invention in a preferred example may be further configured to: the material of the strengthening layer is polycarbonate fiber.

By adopting the technical scheme, the compressive strength of the ultra-white glass layer can be effectively enhanced.

The present invention in a preferred example may be further configured to: the inside fixedly connected with high reflection heat insulating film of insulating layer, and high reflection heat insulating film comprises nanometer zirconium dioxide material.

Through adopting above-mentioned technical scheme, can prevent that the temperature from constantly rising from causing the damage to photovoltaic module, and the insulating layer has higher light transmissivity, can not influence photovoltaic module absorption light.

The present invention in a preferred example may be further configured to: the cross section of the prism is in an irregular triangle shape, and the angle of the apex angle a of the triangle is 0-120 degrees.

Through adopting above-mentioned technical scheme, not only can improve the light source utilization ratio under the different sun incident angles, can effectively avoid the light reflection to improve the conversion rate of light outside the super white glass moreover.

The present invention in a preferred example may be further configured to: the height h of the prism is 10 to 20 μm.

By adopting the technical scheme, the prism within the height range can effectively enhance the pressure resistance of the light-transmitting film layer.

The present invention in a preferred example may be further configured to: the prisms are arranged periodically, and the spacing distance d of any period is 1 mm-1.2 mm.

By adopting the technical scheme, the quantity of light reflected out of the ultra-white glass can be reduced, and the utilization rate of the light is improved.

The present invention in a preferred example may be further configured to: the light increasing and transmitting film layer is made of MgF 2.

By adopting the technical scheme, when light is reflected back on the surface of the anti-reflection film layer, two beams of reflected light can vibrate and weaken at the superposition position due to the optical path difference, so that the two beams of reflected light are offset with each other, and the transmission capacity of light is enhanced.

The present invention in a preferred example may be further configured to: the material of antireflection rete is single-layer SiO 2.

By adopting the technical scheme, the average transmittance of the ultra-white glass in the wavelength range of 350-1100 nm can reach 96%.

The technical scheme of the utility model has the following beneficial technical effects:

1. according to the utility model, the plurality of irregular prisms arranged on the ultra-white glass layer are matched with the antireflection film layer, so that the reflected light area of the ultra-white glass can be enlarged, the photovoltaic conversion efficiency is improved, the light rays can be effectively prevented from being reflected out of the ultra-white glass, the light ray conversion rate is improved, and the absorption capacity of the ultra-white glass to the light rays with different incident angles can be enhanced and the light source conversion rate is improved due to the different inclination angles of the outer surface inclined planes of each prism.

2. According to the utility model, through the arranged antireflection film layer, when light irradiates on the two surfaces of the antireflection film layer and is reflected back, an optical path difference appears at the superposition position, so that the two beams of reflected light vibrate and weaken to cause mutual offset, thereby enhancing the transmission capacity of light and further improving the utilization rate of a light source.

Drawings

FIG. 1 is a first perspective view of a structure according to an embodiment of the present invention;

FIG. 2 is an enlarged view of the structure of FIG. 1 at A in accordance with one embodiment of the present invention;

fig. 3 is a second perspective view of the structure of an embodiment of the present invention.

Reference numerals:

100. an ultra-white glass layer; 101. a strengthening layer; 102. a thermal insulation layer; 103. an anti-reflective prism layer; 104. a prism; 105. increasing a light-transmitting film layer; 106. and (4) an antireflection film layer.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be noted that the embodiments of the present invention and features of the embodiments may be combined with each other without conflict.

It is to be understood that this description is made only by way of example and not as a limitation on the scope of the utility model.

The following describes an antireflection glass for a photovoltaic module provided by some embodiments of the present invention with reference to the accompanying drawings.

The first embodiment is as follows:

referring to fig. 1 to 3, the anti-reflection glass for a photovoltaic module provided by the present invention includes an ultra-white glass layer 100, where the ultra-white glass layer 100 includes a strengthening layer 101, a thermal insulation layer 102 fixed at the bottom of the strengthening layer 101, an anti-reflection prism layer 103 disposed at the top of the ultra-white glass layer 100, a prism 104 included in the anti-reflection prism layer 103, an anti-reflection film layer 105 mounted at the top of the anti-reflection prism layer 103, and an anti-reflection film layer 106 fixed on the surface of the light-transmission enhancement film layer 105.

Specifically, through mutually supporting at a plurality of irregular prisms 104 that super white glass layer 100 set up and antireflection rete 106, not only can enlarge super white glass's reflection light area, improve photovoltaic conversion efficiency, can effectively avoid light reflection to go out outside super white glass moreover, improve the conversion rate of light, and because the inclination on every prismatic 104 outward appearance inclined plane is different, consequently can strengthen super white glass to the absorbent capacity of different incident angle light, improve the light source conversion rate.

The working principle and the using process of the utility model are as follows: at first mutually support through a plurality of irregular prisms 104 and antireflection rete 106 that set up at super white glass layer 100, not only can enlarge super white glass's reflection light area, improve photovoltaic conversion efficiency, and can effectively avoid light reflection outside super white glass, improve the conversion rate of light, and because the inclination on every prism 104 appearance inclined plane is different, consequently can strengthen super white glass to the absorptive capacity of different incident angle light, improve light source conversion rate, simultaneously through the antireflection membrane layer 105 that sets up, when the light shines on antireflection membrane layer 105 on the surface by the reflection go back, can appear the optical path difference at the stack department and make two bundles of reverberation appear the vibration and weaken, lead to offsetting each other, thereby can strengthen the transmission capacity of highlight, further improve the utilization ratio of light source.

In the present invention, the term "plurality" means two or more unless explicitly defined otherwise. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items. The terms "mounted," "connected," "fixed," and the like are used broadly and encompass, for example, a fixed connection, a removable connection, or an integral connection, and a connection may be a direct connection or an indirect connection via intermediate media. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

It will be understood that when an element is referred to as being "mounted to," "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the claims and their equivalents.

Claims

1. An antireflective glass for a photovoltaic module, comprising:

the ultra-white glass layer (100) comprises a strengthening layer (101), a heat insulation layer (102) fixed at the bottom of the strengthening layer (101), an anti-reflection prism layer (103) arranged at the top of the ultra-white glass layer (100), a prism (104) contained in the anti-reflection prism layer (103), a light increasing and transmitting film layer (105) installed at the top of the anti-reflection prism layer (103) and an anti-reflection film layer (106) fixed on the surface of the light increasing and transmitting film layer (105).

2. The anti-reflection glass for photovoltaic modules according to claim 1, wherein the material of the strengthening layer (101) is polycarbonate fiber.

3. The anti-reflection glass for photovoltaic modules as claimed in claim 1, wherein a highly reflective thermal insulation film is fixedly connected to the inside of the thermal insulation layer (102), and the highly reflective thermal insulation film is made of nano zirconium dioxide.

4. The antireflective glass for photovoltaic modules according to claim 1, wherein the cross-sectional shape of the prism (104) is an irregular triangle, and the angle of the apex angle a of the triangle is from 0 ° to 120 °.

5. The antireflective glass for photovoltaic modules according to claim 1, wherein the height h of the prisms (104) is between 10 μ ι η and 20 μ ι η.

6. The anti-reflective glass for photovoltaic modules according to claim 1, wherein the prisms (104) are arranged periodically and the separation distance d of any one period is 1mm to 1.2 mm.

7. The anti-reflection glass for photovoltaic modules according to claim 1, wherein the material of the light-transmitting film layer (105) is MgF 2.

8. The antireflection glass for a photovoltaic module according to claim 1, wherein the material of the antireflection film layer (106) is a single layer of SiO 2.