CN220753448U - Novel ultra-thin photovoltaic glass backboard - Google Patents
Novel ultra-thin photovoltaic glass backboard Download PDFInfo
- Publication number
- CN220753448U CN220753448U CN202322376135.5U CN202322376135U CN220753448U CN 220753448 U CN220753448 U CN 220753448U CN 202322376135 U CN202322376135 U CN 202322376135U CN 220753448 U CN220753448 U CN 220753448U
- Authority
- CN
- China
- Prior art keywords
- glass
- layer
- fixedly connected
- film
- transparent conductive
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 239000011521 glass Substances 0.000 title claims abstract description 78
- 238000009413 insulation Methods 0.000 claims abstract description 8
- 238000010292 electrical insulation Methods 0.000 claims description 16
- 238000007789 sealing Methods 0.000 claims description 10
- 239000005341 toughened glass Substances 0.000 claims description 5
- 239000002033 PVDF binder Substances 0.000 claims description 4
- 239000004952 Polyamide Substances 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims description 4
- 229920002647 polyamide Polymers 0.000 claims description 4
- 229920006267 polyester film Polymers 0.000 claims description 4
- 229920002620 polyvinyl fluoride Polymers 0.000 claims description 4
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 4
- 239000002313 adhesive film Substances 0.000 claims description 3
- 230000004224 protection Effects 0.000 abstract description 5
- 239000000758 substrate Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000006750 UV protection Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Landscapes
- Photovoltaic Devices (AREA)
Abstract
The utility model discloses a novel ultra-thin photovoltaic glass backboard, which comprises a glass base layer, wherein a waterproof film is fixedly connected to the bottom of the glass base layer, a wear-resistant layer is fixedly connected to the bottom of the waterproof film, a first electric insulating layer is fixedly connected between the waterproof film and the wear-resistant layer, a second electric insulating layer is fixedly connected to the top of the glass base layer, a bonding layer is fixedly connected to the top of the second electric insulating layer, and a transparent conductive film glass layer is fixedly connected to the top of the bonding layer. According to the utility model, good mechanical strength can be provided for the glass backboard, meanwhile, the thickness of the glass backboard is reduced, and meanwhile, the position of the top of the glass backboard, where the solar cell is arranged, is provided with the electric conduction capacity, so that the glass backboard is used as an electrode, the photovoltaic efficiency is improved, and meanwhile, good insulation and protection capacities are provided for the photovoltaic backboard.
Description
Technical Field
The utility model relates to the technical field of photovoltaic glass back plates, in particular to a novel ultrathin photovoltaic glass back plate.
Background
The photovoltaic glass backboard is one of important components of the solar photovoltaic power generation system. It is commonly used as a support backsheet for solar panels and provides protection and support. The photovoltaic glass backboard has the characteristics of high transparency, good weather resistance, good mechanical property and the like, and can effectively protect the solar cell panel from being damaged by external environment.
But the function of current glass backplate is mostly only as the protection backplate of protection solar photovoltaic board, in order to improve the structural strength of photovoltaic board to and to the bearing structure demand of photovoltaic cell piece, often need the thickness of thickening photovoltaic glass backplate, increased the weight of photovoltaic glass backplate in a large number, influence the installation availability factor of photovoltaic glass backplate.
Disclosure of Invention
Aiming at the problems in the prior art, the utility model aims to provide a novel ultra-thin photovoltaic glass backboard so as to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model adopts the following technical scheme.
The utility model provides a novel ultra-thin photovoltaic glass backplate, includes the glass basic unit, the bottom fixedly connected with waterproof film of glass basic unit, the bottom fixedly connected with wearing layer of waterproof film, fixedly connected with first electric insulating layer between waterproof film and the wearing layer, the top fixedly connected with second electric insulating layer of glass basic unit, the top fixedly connected with tie coat of second electric insulating layer, the top fixedly connected with transparent conductive film glass layer of tie coat.
As a further description of the above technical solution:
the edge of the first electric insulation layer extends to the side edge of the transparent conductive film glass layer and is fixedly connected with the transparent conductive film glass layer.
As a further description of the above technical solution:
the top integrated into one piece of transparent conductive film glass layer has sealed protruding, sealed protruding edge department that is located transparent conductive film glass layer.
As a further description of the above technical solution:
the waterproof film is a polyamide film.
As a further description of the above technical solution:
the first electrical insulation layer is a PVDF film, and the second electrical insulation layer is a polyester film.
As a further description of the above technical solution:
the glass base layer is toughened glass, and the bonding layer is EVA adhesive film.
As a further description of the above technical solution:
the wear-resistant layer is a polyvinyl fluoride composite film.
Compared with the prior art, the utility model has the advantages that:
this scheme can be for providing good mechanical strength for glass backplate simultaneously, reduces glass backplate thickness, lets the position of glass backplate top installation solar wafer possess the electric conductivity ability simultaneously to use as the electrode, improve photovoltaic efficiency, provide good insulation and protective capability for the photovoltaic backplate simultaneously.
Drawings
FIG. 1 is a schematic cross-sectional view of the present utility model;
FIG. 2 is a schematic diagram showing a connection structure between a transparent conductive film glass layer and a sealing bump according to the present utility model;
the reference numerals in the figures illustrate:
1. a glass substrate; 2. a waterproof film; 3. a wear-resistant layer; 4. a first electrically insulating layer; 5. a bonding layer; 6. a second electrically insulating layer; 7. a transparent conductive film glass layer; 71. and a sealing protrusion.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model;
referring to fig. 1 and 2, in the present utility model, a novel ultra-thin photovoltaic glass back plate comprises a glass base layer 1, wherein a waterproof film 2 is fixedly connected to the bottom of the glass base layer 1, a wear-resistant layer 3 is fixedly connected to the bottom of the waterproof film 2, a first electrical insulation layer 4 is fixedly connected between the waterproof film 2 and the wear-resistant layer 3, a second electrical insulation layer 6 is fixedly connected to the top of the glass base layer 1, a bonding layer 5 is fixedly connected to the top of the second electrical insulation layer 6, and a transparent conductive film glass layer 7 is fixedly connected to the top of the bonding layer 5.
According to the utility model, the glass substrate 1 and the transparent conductive film glass layer 7 are adopted, wherein the glass substrate 1 adopts toughened glass, so that good mechanical structural strength can be provided for the glass backboard, the thickness of the glass substrate 1 and the thickness of the transparent conductive film glass layer 7 are reduced to a certain extent, the transparent conductive film glass layer 7 has good conductive performance and transparency, the back surface of the photovoltaic module is used as a backboard material, the transparent conductive film glass layer 7 can be directly used as an electrode of the module for conducting electricity, the efficiency of a photovoltaic system is improved, the glass substrate 1 and the transparent conductive film glass layer 7 are electrically insulated through the second electric insulation layer 6, loss of photovoltaic electric energy is avoided, meanwhile, the second electric insulation layer 6 is arranged at the bottom of the glass substrate 1 to further strengthen the insulation effect, and the transparent conductive film glass layer 7 is compounded at the top of the second electric insulation layer 6 on the glass substrate 1 through the bonding layer 5.
Wherein: the edge of the first electrically insulating layer 4 extends to the side of the transparent conductive film glass layer 7 and is fixedly connected with the transparent conductive film glass layer 7.
According to the utility model, the first electric insulating layer 4 wraps the transparent conductive film glass layer 7, so that the occurrence of electric leakage caused by contact between the transparent conductive film glass layer 7 and other conductive parts can be avoided.
Wherein: the top of the transparent conductive film glass layer 7 is integrally formed with a sealing protrusion 71, and the sealing protrusion 71 is located at the edge of the transparent conductive film glass layer 7.
According to the utility model, the sealing protrusion 71 can avoid matching with the sealing strip in sealing of the photovoltaic panel, so that the sealing effect is improved, and the occurrence of water leakage is reduced.
Wherein: the waterproof film 2 is a polyamide film.
In the utility model, the polyamide film has the characteristics of light weight, softness, good electrical insulation performance and waterproof performance, and can bear certain mechanical stress.
Wherein: the first electrical insulation layer 4 is a PVDF film and the second electrical insulation layer 6 is a polyester film.
In the utility model, the PVDF film has higher chemical resistance, weather resistance and electrical insulation performance, can provide good waterproof performance and weather resistance, and the polyester film has good electrical insulation performance.
Wherein: the glass base layer 1 is toughened glass, and the bonding layer 5 is EVA adhesive film.
In the utility model, the toughened glass has good mechanical strength, provides good structural strength for the glass backboard, and the EVA has good transparency, good light transmittance, weather resistance, ultraviolet resistance and excellent bonding performance
Wherein: the wear-resistant layer 3 is a polyvinyl fluoride composite film.
In the utility model, the polyvinyl fluoride composite film has good weather resistance, electrical insulation performance and mechanical strength, and plays a role in protecting the bottom of the photovoltaic backboard.
The foregoing is a preferred embodiment of the present utility model; the scope of the utility model is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present utility model, and the technical solution and the improvement thereof are all covered by the protection scope of the present utility model.
Claims (7)
1. The utility model provides a novel ultra-thin photovoltaic glass backplate which characterized in that: including glass basic unit (1), the bottom fixedly connected with waterproof film (2) of glass basic unit (1), the bottom fixedly connected with wearing layer (3) of waterproof film (2), fixedly connected with first electrical insulation layer (4) between waterproof film (2) and wearing layer (3), the top fixedly connected with second electrical insulation layer (6) of glass basic unit (1), the top fixedly connected with tie coat (5) of second electrical insulation layer (6), the top fixedly connected with transparent conductive film glass layer (7) of tie coat (5).
2. The novel ultra-thin photovoltaic glass back sheet according to claim 1, wherein: the edge of the first electric insulation layer (4) extends to the side edge of the transparent conductive film glass layer (7) and is fixedly connected with the transparent conductive film glass layer (7).
3. The novel ultra-thin photovoltaic glass back sheet according to claim 1, wherein: the top of the transparent conductive film glass layer (7) is integrally formed with a sealing protrusion (71), and the sealing protrusion (71) is positioned at the edge of the transparent conductive film glass layer (7).
4. The novel ultra-thin photovoltaic glass back sheet according to claim 1, wherein: the waterproof film (2) is a polyamide film.
5. The novel ultra-thin photovoltaic glass back sheet according to claim 1, wherein: the first electrical insulation layer (4) is a PVDF film, and the second electrical insulation layer (6) is a polyester film.
6. The novel ultra-thin photovoltaic glass back sheet according to claim 1, wherein: the glass base layer (1) is toughened glass, and the bonding layer (5) is EVA adhesive film.
7. The novel ultra-thin photovoltaic glass back sheet according to claim 1, wherein: the wear-resistant layer (3) is a polyvinyl fluoride composite film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322376135.5U CN220753448U (en) | 2023-09-01 | 2023-09-01 | Novel ultra-thin photovoltaic glass backboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322376135.5U CN220753448U (en) | 2023-09-01 | 2023-09-01 | Novel ultra-thin photovoltaic glass backboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220753448U true CN220753448U (en) | 2024-04-09 |
Family
ID=90563049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322376135.5U Active CN220753448U (en) | 2023-09-01 | 2023-09-01 | Novel ultra-thin photovoltaic glass backboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220753448U (en) |
-
2023
- 2023-09-01 CN CN202322376135.5U patent/CN220753448U/en active Active
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