High-light-transmittance coated glass for photovoltaic module

By designing multi-layer glass structures and functional films in photovoltaic modules, the problems of glass breakage and insufficient light transmittance have been solved, achieving high light transmittance and radiation resistance, thus improving the safety and performance of photovoltaic modules.

CN223600254UActive Publication Date: 2025-11-25JIANGSU WEIGUANG GLASS TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202422967938.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-03
Publication Date
2025-11-25
Estimated Expiration
2034-12-03

AI Technical Summary

Technical Problem

Existing coated glass poses a safety hazard of shattering during use, has poor light transmission performance, and is difficult to effectively block radiation, thus failing to meet the high light transmittance and radiation resistance requirements of photovoltaic modules.

Method used

The first and second glass panes are arranged in parallel, and the structure is designed with a light-transmitting film, a support layer, a PVB film, an explosion-proof layer, and a radiation-proof film. The bonding stability is enhanced by the glue penetration holes, and the light transmittance and radiation resistance are improved by using a silica film and a radiation-proof film.

Benefits of technology

It improves the strength and light transmittance of the glass, reduces the risk of breakage, enhances radiation resistance, and ensures that the glass does not shatter when broken, thus meeting the high light transmittance and safety requirements of photovoltaic modules.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses high light transmittance coated glass for a photovoltaic module, which comprises first glass, second glass and a light-transmitting film, the first glass and the second glass are arranged in parallel, and the light-transmitting film is attached to the first glass and the second glass. According to the high-light-transmittance coated glass for the photovoltaic module, the first glass, the second glass, the light-transmitting film, the supporting layer, the PVB glue film and the explosion-proof layer are matched with one another, glue smeared in the gluing bin penetrates through the glass frames through the glue permeating holes, the multiple glass frames are firmly bonded, the bonding area between the glass frames and the electric substance layer is increased, and the anti-explosion performance of the high-light-transmittance coated glass for the photovoltaic module is improved. The bonding stability is guaranteed, the strength of the glass is greatly improved through superposition of the multiple layers of glass frames and the supporting layer, meanwhile, the existing silicon dioxide film has high corrosion resistance and light transmittance, the high light transmittance is guaranteed, and meanwhile the possibility of bursting is greatly reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a coated glass technical field, specifically, relate to a kind of high light transmission coated glass for photovoltaic module. BACKGROUND

[0002] Glass is amorphous inorganic non-metallic material, generally it is with many inorganic minerals (such as quartz sand, borax, boric acid, barite, barium carbonate, limestone, feldspar, soda ash etc.) as main raw material, additionally add a small amount of auxiliary raw material, its main component is silica and other oxides, ordinary glass chemical composition is Na2SiO3, CaSiO3, SiO2Or Na2O·CaO·6SiO2Etc., main component is silicate complex salt, is a non-crystalline solid of irregular structure.

[0003] Such as publication (announcement) number: CN222007639U, the disclosed a kind of steelable low-emissivity coated glass, including glass substrate, the glass substrate one side is provided with tin oxide film layer, the tin oxide film layer one side is provided with graphene transparent conductive layer, the graphene transparent conductive layer one side is provided with silver layer, the silver layer one side is provided with chromium nitride film, the chromium nitride film one side is provided with aluminum oxide passivation layer, the aluminum oxide passivation layer one side is provided with calcium fluoride anti-reflection layer.The steelable low-emissivity coated glass, through vacuum coating, chemical vapor deposition, physical vapor deposition and other technical means, can form each functional layer in glass surface in turn, to manufacture the coated glass with high performance such as steelable, low-emissivity, corrosion resistance, this kind of glass not only has good optical performance, thermal performance and environmental protection performance, can also meet the demand of modern building to high quality, high energy saving, high comfort.

[0004] But the above-mentioned coated glass still has the possibility of burst in the process of using, has certain security risk, and in the process of specific use, the light transmission performance of tempered glass is poor, it is difficult to solve the problem such as internal sunlight projection well, it is difficult to make good isolation effect to the object with radiation, can not satisfy people's use demand well, therefore, need to propose a kind of high light transmission coated glass for photovoltaic module. UTILITY MODEL CONTENT

[0005] In view of the problems existing in the prior art, the utility model provides a kind of high light transmission coated glass for photovoltaic module.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] A kind of high light transmission coated glass for photovoltaic module, it include: first glass and second glass, the first glass and second glass are parallelly arranged;

[0008] A light-transmitting film is attached to the first glass and the second glass;

[0009] A support layer is attached to the light-transmitting film;

[0010] A PVB film is attached to the support layer;

[0011] An explosion-proof layer is attached to the PVB film.

[0012] Preferably, the support layer comprises transverse light-transmitting strips and longitudinal light-transmitting strips which are cross-stitched to splice together.

[0013] Preferably, the utility model further comprises:

[0014] A radiation-proof film is attached to the surface of the first glass and the second glass;

[0015] A silicon dioxide film is attached to the radiation-proof film.

[0016] Preferably, the utility model further comprises:

[0017] A transition layer is attached to the PVB film, and the transition layer is a niobium oxide layer.

[0018] Preferably, the explosion-proof layer comprises:

[0019] A glass frame is multi-layered and is arranged in a reduced scale;

[0020] A glue infiltration hole is arranged on the side of the glass frame;

[0021] A glue coating cabin is arranged on the top and the bottom of the glass frame.

[0022] Preferably, the utility model further comprises:

[0023] An electric quality layer is used to adhere the explosion-proof layer and the transition layer, and the electric quality layer is selected from one of a titanium oxide layer, a silicon nitride layer, an aluminum oxide layer and a zinc oxide layer.

[0024] Compared with the prior art, the utility model has the beneficial effects as follows:

[0025] 1. The utility model discloses a high light transmittance coated glass for photovoltaic module is realized by the cooperation between first glass, second glass, light transmission film, support layer, PVB adhesive film and explosion -proof layer, the glue in the glueing storehouse is smeared and passes through the glass frame through the glue seepage hole, and multiple glass frames are firmly bonded, and the bonding area with the electric quality layer is increased, the stability of bonding is guaranteed, the superposition of multilayer glass frame and support layer greatly improves the strength of glass, simultaneously, the existing silicon dioxide film has higher anticorrosive and light transmittance, guarantee the high light transmittance, greatly reduce the possibility of explosion and breakage.

[0026] 2. In the utility model, the PVB adhesive film and the explosion -proof layer are set, even if the glass explodes, the fragments of the first glass and the second glass are tightly bonded when the glass breaks beyond the bearing limit, and splashing does not occur.

[0027] 3. In the utility model, the glue seepage hole is set, so that the gap between the glass frame can be filled with glue, and the stability of bonding is guaranteed.

[0028] 4. In the utility model, the radiation -proof film is set, and the radiation resistance of the glass is enhanced. ACCURATE DRAWINGS

[0029] Fig. 1 It is the structure section view of the utility model front view.

[0030] Fig. 2 It is the structure schematic diagram of the support layer of the utility model.

[0031] Fig. 3 It is the structure schematic diagram of the explosion -proof layer of the utility model.

[0032] In the drawing:

[0033] 1 first glass, 2 second glass, 3 light transmission film, 4 support layer, 401 horizontal light transmission strip, 402 vertical light transmission strip, 5 PVB adhesive film, 6 explosion -proof layer, 601 glass frame, 602 glue seepage hole, 603 glueing storehouse, 7 radiation -proof film, 8 silicon dioxide polishing, 9 transition layer, 10 electric quality layer. SPECIFIC IMPLEMENTATION

[0034] The technical scheme in the embodiment of the utility model will be clearly and completely described in combination with the drawings in the embodiment of the utility model, and obviously, the described embodiment is only a part of the embodiment of the utility model, not all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the scope of the utility model protection.

[0035] As Figs. 1-3As shown, the utility model provides an embodiment, a kind of high light transmission rate coated glass for photovoltaic module, comprising: first glass 1 and second glass 2, first glass 1 and second glass 2 are parallelly arranged, radiation protection film 7, radiation protection film 7 is attached to the surface of first glass 1 and second glass 2, and the radiation resistance of glass is enhanced.

[0036] Silica film 8, silica film 8 is attached with radiation protection film 7, with higher corrosion resistance and light transmission.

[0037] Light transmission film 3, light transmission film 3 is attached with first glass 1 and second glass 2, to ensure the light transmission of glass.

[0038] Support layer 4, support layer 4 is attached with light transmission film 3, support layer 4 includes horizontal light transmission strip 401 and longitudinal light transmission strip 402, horizontal light transmission strip 401 and longitudinal light transmission strip 402 are crosswise spliced, greatly improving the stability of support layer 4.

[0039] PVB adhesive film 5, PVB adhesive film 5 is attached with support layer 4.

[0040] Transition layer 9, transition layer 9 is attached with PVB adhesive film 5, and transition layer 9 is niobium oxide layer, which has high refractive index and serves as an antireflection material to improve the light transmission of the product.

[0041] Explosion-proof layer 6, explosion-proof layer 6 is attached with PVB adhesive film 5, and explosion-proof layer 6 includes:

[0042] Glass frame 601, which is multi-layered and arranged in a proportionally reduced manner.

[0043] Glue infiltration hole 602, which is formed in the side surface of glass frame 601, allows the gap between glass frames 601 to be filled with glue, ensuring the stability of the bonding.

[0044] Glue application compartment 603, which is formed in the top and bottom of glass frame 601, allows the glue applied in glue application compartment 603 to pass through glass frame 601 through glue infiltration hole 602, firmly bonding multiple glass frames 601 and increasing the bonding area with electrical quality layer 10, ensuring the stability of the bonding. The superposition of multiple glass frames 601 and support layer 4, PVB adhesive film 5 and explosion-proof layer 6 greatly improves the strength of the glass. Even if the glass bursts, the fragments of first glass 1 and second glass 2 will be tightly bonded, preventing splashing.

[0045] Electrical quality layer 10, which bonds explosion-proof layer 6 and transition layer 9, is selected from one of titanium oxide layer, silicon nitride layer, aluminum oxide layer and zinc oxide layer.

[0046] In order to facilitate the understanding of the above technical scheme of the utility model, the working principle or operation mode of the utility model in the actual process is explained in detail.

[0047] The high-transmittance coated glass for photovoltaic module has the advantages that the glue smeared in the glue smearing bin 603 passes through the glass frame 601 through the glue permeation hole 602, a plurality of glass frames 601 are firmly bonded, the bonding area with the electric quality layer 10 is increased, the stability of bonding is ensured, the strength of glass is greatly improved through the superposition of the plurality of glass frames 601 and the supporting layer 4, the PVB adhesive film 5 and the explosion-proof layer 6, even if the glass bursts, the fragments of the first glass 1 and the second glass 2 are tightly bonded.

[0048] In conclusion: the high-transmittance coated glass for photovoltaic module solves the problems mentioned in the background art through the cooperation between the first glass 1, the second glass 2, the light-transmitting film 3, the supporting layer 4, the PVB adhesive film 5 and the explosion-proof layer 6.

[0049] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A high-transmittance coated glass for photovoltaic modules, comprising: The first glass (1) and the second glass (2) are characterized in that the first glass (1) and the second glass (2) are arranged in parallel. A light-transmitting film (3) is attached to the first glass (1) and the second glass (2). A support layer (4) is attached to the light-transmitting film (3). A PVB adhesive film (5) is attached to the support layer (4). An explosion-proof layer (6) is attached to the PVB adhesive film (5).

2. The high-transmittance coated glass for photovoltaic modules according to claim 1, characterized in that: The support layer (4) includes transverse light-transmitting strips (401) and longitudinal light-transmitting strips (402) that are cross-stitched to form a checkered pattern.

3. The high-transmittance coated glass for photovoltaic modules according to claim 2, characterized in that: Further comprising: A radiation-proof film (7) is attached to the surface of the first glass (1) and the second glass (2). A silicon dioxide film (8) is attached to the radiation-proof film (7).

4. The high-transmittance coated glass for photovoltaic modules according to claim 3, characterized in that: Further comprising: A transition layer (9) is attached to the PVB adhesive film (5), and the transition layer (9) is a niobium oxide layer.

5. The high-transmittance coated glass for photovoltaic modules according to claim 4, characterized in that: The explosion-proof layer (6) includes: A glass frame (601) is multi-layered and arranged in a reduced scale. Glue infiltration holes (602) are arranged on the side of the glass frame (601). Glue coating compartments (603) are arranged on the top and bottom of the glass frame (601).

6. The high-transmittance coated glass for photovoltaic modules according to claim 5, characterized in that: Further comprising: An electric quality layer (10) is attached to the explosion-proof layer (6) and the transition layer (9), and the electric quality layer (10) is selected from one of a titanium oxide layer, a silicon nitride layer, an aluminum oxide layer, and a zinc oxide layer.