CN219642848U - Photovoltaic high-reflection black grid glass and photovoltaic cell panel - Google Patents
Photovoltaic high-reflection black grid glass and photovoltaic cell panel Download PDFInfo
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- CN219642848U CN219642848U CN202320613855.6U CN202320613855U CN219642848U CN 219642848 U CN219642848 U CN 219642848U CN 202320613855 U CN202320613855 U CN 202320613855U CN 219642848 U CN219642848 U CN 219642848U
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- glass plate
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- 239000000758 substrate Substances 0.000 claims abstract description 22
- 239000000463 material Substances 0.000 claims description 4
- 239000005329 float glass Substances 0.000 claims description 3
- 239000001038 titanium pigment Substances 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 abstract description 3
- 210000004027 cell Anatomy 0.000 abstract 2
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- 239000002904 solvent Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
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- NTIZESTWPVYFNL-UHFFFAOYSA-N Methyl isobutyl ketone Chemical compound CC(C)CC(C)=O NTIZESTWPVYFNL-UHFFFAOYSA-N 0.000 description 1
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- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
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- 239000011118 polyvinyl acetate Substances 0.000 description 1
- 229920002689 polyvinyl acetate Polymers 0.000 description 1
- LLHKCFNBLRBOGN-UHFFFAOYSA-N propylene glycol methyl ether acetate Chemical compound COCC(C)OC(C)=O LLHKCFNBLRBOGN-UHFFFAOYSA-N 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
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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
- Y02E10/52—PV systems with concentrators
Landscapes
- Photovoltaic Devices (AREA)
Abstract
The utility model discloses a photovoltaic high-reflection black grid glass and a photovoltaic cell panel, wherein the black grid glass plate and a high-reflection coating component are arranged on the surface of the glass plate, the high-reflection coating component are crisscrossed on the glass plate to form a plurality of rectangular grids, and a cell is positioned in the black grid; the high-reflection coating component comprises a white substrate positioned in the middle and organic black coatings positioned on the upper side and the lower side of the white substrate, and sunlight passes through the organic black coatings and then is reflected to the battery piece through the white substrate and the glass plate; the photovoltaic cell component has high utilization rate of the front and back light rays, converts infrared light into electric energy, has high power, reduces the heating of the component, and prolongs the service life of the component.
Description
Technical Field
The utility model relates to the technical field of photovoltaic cells, in particular to a photovoltaic high-reflection black grid glass and a photovoltaic cell panel.
Background
With the increasing popularity of photovoltaic double-sided batteries, the wider the application of double-sided components, the full black double-sided components as high-end double-sided components have a certain market proportion, wherein full black glass is used as the most important ring in design, and a black coating is plated on transparent glass at present
However, most of the solar rays penetrating through the cell are absorbed by the black grid and converted into heat energy, so that the part of the solar rays are difficult to be absorbed and utilized by the cell after being reflected, the sunlight absorption effect is affected, and the photoelectric conversion efficiency of the photovoltaic module is affected. In addition, the light is absorbed and converted into heat by the black on the component, so that the working temperature of the component can be increased, the power of the component can be reduced, and the service life of the component can be influenced.
Disclosure of Invention
The technical purpose is that: aiming at the defects that the black grid of the existing photovoltaic cell panel absorbs light energy, the power of a photovoltaic cell assembly is reduced, and the working temperature of the assembly is increased, the utility model discloses photovoltaic high-reflection black grid glass and the photovoltaic cell panel, which can reflect light irradiated on a grid area at a cell piece and improve the power and light energy utilization rate of the cell.
The technical scheme is as follows: in order to achieve the technical purpose, the utility model adopts the following technical scheme:
the photovoltaic high-reflection black grid glass comprises a glass plate and high-reflection coating components arranged on the surface of the glass plate, wherein the high-reflection coating components are arranged on the glass plate in a crisscross manner to form a plurality of black rectangular grids, and battery pieces are positioned in the black grids; the high-reflection coating component comprises a white substrate positioned in the middle and organic black coatings positioned on the upper side and the lower side of the white substrate, and sunlight passes through the organic black coatings and then is reflected to the battery piece through the white substrate and the glass plate.
Preferably, the arrangement spacing of the high-reflection coating component is consistent with the specification of the battery piece.
Preferably, the white substrate adopts a variable cross-section structure with thick outside and thin inside, and when sunlight irradiates vertically, the vertical light path is converted into an inclined light path inclined to one side where the battery piece is positioned.
Preferably, the white substrate of the present utility model employs a highly reflective material using a white glaze layer or titanium pigment.
Preferably, the glass sheet of the present utility model is float glass or embossed glass.
Preferably, the organic black coating adopts an organic coating, and comprises 30-70 parts of main resin, 5-10 parts of solvent, 20-70 parts of pigment filler, 3-10 parts of curing agent and 2-10 parts of auxiliary agent, wherein the pigment filler adopts copper-chromium black, iron oxide black or a mixture of the two.
The utility model also provides a photovoltaic cell panel, wherein the photovoltaic high-reflection black grid glass is used, the cell is arranged in the black grid of the glass panel, and the other side of the cell, which is away from the glass panel, is covered with the transparent glass panel.
The beneficial effects are that:
1. the photovoltaic high-reflection black grid glass and the photovoltaic cell panel provided by the utility model have the advantages that the utilization rate of the light rays on the front side and the back side of the cell assembly is high, the infrared light is converted into electric energy, the power of the assembly is high, the heating of the assembly is reduced, and the service life of the assembly is prolonged.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
FIG. 1 is a diagram of a grid glass structure of the present utility model;
FIG. 2 is a block diagram of a photovoltaic panel of the present utility model;
FIG. 3 is a flow chart of the photovoltaic panel process of the present utility model;
wherein, 1-glass plate, 2-high reflection coating component, 3-battery piece, 4-white substrate, 5-organic black coating, 6-transparent glass plate.
Detailed Description
The present utility model will now be described more fully hereinafter with reference to the accompanying drawings, in which preferred embodiments of the utility model are shown, but in which the utility model is not so limited.
As shown in fig. 1 and fig. 2, the photovoltaic high-reflection black grid glass disclosed by the utility model comprises a glass plate 1 and a high-reflection coating component 2 arranged on the surface of the glass plate 1, wherein the glass plate 1 is one of float glass or embossed glass, the high-reflection coating component 2 is crisscrossed on the glass plate 1 to form a plurality of rectangular grids, and the battery pieces 3 are positioned in the black grids; the high-reflection coating component 2 comprises a white substrate 4 positioned in the middle and organic black coatings 5 positioned on the upper side and the lower side of the white substrate 4, and sunlight passes through the organic black coatings 5 and then is reflected onto the battery piece 3 through the white substrate 4 and the glass plate 1.
The utility model also provides a photovoltaic cell panel using the photovoltaic high-reflection black grid glass, the arrangement space of the high-reflection coating component 2 is consistent with the specification of the cell 3, the organic black coating 5 adopts an organic coating and comprises 30-70 parts of main resin, 5-10 parts of solvent, 20-70 parts of pigment filler, 3-10 parts of curing agent and 2-10 parts of auxiliary agent, the pigment filler adopts copper chrome black, iron oxide black or a mixture of the copper chrome black and the iron oxide black, the main resin is at least one of polyurethane resin, polyester resin, modified acrylic resin, fluorocarbon resin, epoxy resin, polyvinyl acetate, amino resin and isocyanate, the solvent is at least one of toluene, xylene, ethyl acetate, butyl acetate, propylene glycol methyl ether acetate, methyl ethyl ketone, methyl isobutyl ketone and N-methyl pyrrolidone, and the curing agent is at least one of isocyanate curing agent, imidazole curing agent, amine curing agent and dicyandiamide curing agent, and when the pigment filler is irradiated with light, the infrared light is irradiated to the cell panel 1 through a white substrate 4 and the glass panel 1, the infrared light is totally reflected to the same time, the photovoltaic cell panel can be reduced in the light absorption area, the photovoltaic component can be simultaneously cooled, and the photovoltaic energy yield can be reduced, and the photovoltaic cell can be paved.
In order to utilize the light energy in the grid area when the sun is vertically irradiated, in a specific embodiment, the white substrate 4 of the present utility model adopts a variable cross-section structure (not shown in the figure) with a thick outside and a thin inside, and when the sun is vertically irradiated, the vertical light path is turned into an oblique light path inclined to the side where the battery piece 3 is located, and in order to improve reflectivity, the white substrate 4 of the present utility model adopts a highly reflective material, and the highly reflective material uses a white glaze layer or titanium pigment.
The utility model also discloses a manufacturing method of the photovoltaic cell panel, which comprises the following steps:
s01, coating a film on the surface of the glass plate, printing a first layer of organic black coating after the film coating process is finished, and performing UV (ultraviolet) light curing on the first layer of organic black coating;
s02, printing a white glaze layer on the first organic black coating layer, curing at normal temperature to form a white substrate, and performing preliminary shaping;
s03, after the white glaze layer is cured, printing a second organic black coating, and carrying out UV (ultraviolet) light curing on the second organic black coating;
s04, after solidification is completed, the whole glass plate is put into a toughening furnace for toughening, the structural strength of the glass is improved, the stability of the white glaze layer is ensured, the reflection effect is ensured, the toughening temperature of the toughening furnace is 500-600 ℃, after the toughening is completed, an adhesive film and a battery piece are paved on the surface of the glass plate, the adhesive film and the battery piece can be assembled by adopting the manufacturing process of the traditional photovoltaic cell plate, and finally the transparent glass plate is covered, so that the assembly of the photovoltaic cell plate is completed.
In steps S01 and S03, the UV light is cured at a wavelength of 280-380nm and an irradiation energy of 50-4000mj/cm 2 。
When the photovoltaic high-reflection black grid glass and the photovoltaic cell panel are used, the light paths irradiated by sunlight are shown in the figure 2, the light rays irradiated on the photovoltaic cell panel from the front and the back are absorbed and utilized by the cell panel to be converted into electric energy, when the photovoltaic cell panel is irradiated on the grid region, the light rays firstly pass through the high-reflection black coating 5, part of visible light is absorbed, the direction of the light paths is adjusted by the reflection of the white substrate 4, so that the light paths face one side of the glass panel 1 and are reflected to the cell panel 1 through the glass panel 1, the utilization of the light energy in the inter-sheet region of the cell panel and the plate interval region of the photovoltaic cell panel is realized, the electric quantity productivity is improved, the heating of a component is reduced, and the service life of the component is prolonged.
The foregoing is only a preferred embodiment of the utility model, it being noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present utility model, and such modifications and adaptations are intended to be comprehended within the scope of the utility model.
Claims (6)
1. The photovoltaic high-reflection black grid glass is characterized by comprising a glass plate (1) and high-reflection coating components (2) arranged on the surface of the glass plate (1), wherein the high-reflection coating components (2) are crisscrossed on the glass plate (1) to form a plurality of rectangular grids, and the battery pieces (3) are positioned in the black grids; the high-reflection coating component (2) comprises a white substrate (4) positioned in the middle and organic black coatings (5) positioned on the upper side and the lower side of the white substrate (4), and sunlight passes through the organic black coatings (5) and then is reflected onto the battery piece (3) through the white substrate (4) and the glass plate (1).
2. The photovoltaic high-reflection black grid glass according to claim 1, wherein the arrangement pitch of the high-reflection coating components (2) is consistent with the specification of the battery pieces (3).
3. The photovoltaic high-reflection black grid glass according to claim 1, wherein the white substrate (4) adopts a variable cross-section structure with a thick outside and a thin inside, and when sunlight irradiates vertically, a vertical light path is converted into an inclined light path inclined to one side where the cell (3) is located.
4. A photovoltaic high reflection black mesh glass according to claim 3, characterized in that the white substrate (4) is made of a highly reflective material, which uses a white glaze layer or titanium pigment.
5. A photovoltaic high-reflection black grid glass according to claim 1, characterized in that the glass sheet (1) is of float glass or embossed glass.
6. A photovoltaic cell panel characterized in that the photovoltaic high-reflection black grid glass according to any one of claims 1-5 is used, the cells (3) are arranged in the black grid of the glass panel (1), and the other side of the cells (3) facing away from the glass panel (1) is covered with a transparent glass panel (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320613855.6U CN219642848U (en) | 2023-03-27 | 2023-03-27 | Photovoltaic high-reflection black grid glass and photovoltaic cell panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320613855.6U CN219642848U (en) | 2023-03-27 | 2023-03-27 | Photovoltaic high-reflection black grid glass and photovoltaic cell panel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219642848U true CN219642848U (en) | 2023-09-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320613855.6U Active CN219642848U (en) | 2023-03-27 | 2023-03-27 | Photovoltaic high-reflection black grid glass and photovoltaic cell panel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219642848U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117447092A (en) * | 2023-12-26 | 2024-01-26 | 天合光能股份有限公司 | Glazed glass and photovoltaic module |
-
2023
- 2023-03-27 CN CN202320613855.6U patent/CN219642848U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117447092A (en) * | 2023-12-26 | 2024-01-26 | 天合光能股份有限公司 | Glazed glass and photovoltaic module |
| CN117447092B (en) * | 2023-12-26 | 2024-04-09 | 天合光能股份有限公司 | Glazed glass and photovoltaic module |
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