CN209859958U - Crystalline silicon solar panel - Google Patents
Crystalline silicon solar panel Download PDFInfo
- Publication number
- CN209859958U CN209859958U CN201920666838.2U CN201920666838U CN209859958U CN 209859958 U CN209859958 U CN 209859958U CN 201920666838 U CN201920666838 U CN 201920666838U CN 209859958 U CN209859958 U CN 209859958U
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- China
- Prior art keywords
- layer
- film layer
- adhesive film
- crystalline silicon
- silicon solar
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- 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
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- Photovoltaic Devices (AREA)
Abstract
The crystalline silicon solar cell panel comprises a toughened glass layer, an upper EVA (ethylene vinyl acetate) film layer, a cell sheet layer, a lower EVA film layer and a back plate from top to bottom in sequence, wherein one surface of the toughened glass layer, which is in contact with air, is an arc-shaped convex surface, and the other surface of the toughened glass layer is a horizontal plane; the solar cell comprises a main cell set and an auxiliary cell set, and the crystalline silicon solar cell is scientific in structural design, large in sunlight absorption area, large in effective power generation area, large in output power and long in service life of a back plate.
Description
Technical Field
The utility model relates to a solar cell field especially relates to crystalline silicon solar cell panel.
Background
The solar cell module consists of high-efficiency single crystal/polycrystalline solar cells, low-iron super white suede toughened glass, EVA (ethylene vinyl acetate), TPT (thermoplastic vulcanizate), interconnection bars, bus bars, a back plate and an aluminum alloy frame, and the service life of the solar cell module can reach 15-25 years.
The single solar cell cannot be directly used as a power supply. The power supply must be composed of several single batteries connected in series, parallel and tightly packed. Solar cell modules (also called solar panels and photovoltaic modules) are core parts in solar power generation systems and are the most important parts in the solar power generation systems. The solar energy is converted into electric energy, or the electric energy is sent to a storage battery for storage, or a load is pushed to work. The quality and cost of the solar module will directly determine the quality and cost of the overall system.
Chinese patent CN201204206Y discloses a crystalline silicon solar panel, chinese patent CN201975406U discloses a crystalline silicon solar cell module, chinese patent CN202839683U discloses a novel photovoltaic member using a honeycomb panel as a base material, the crystalline silicon solar cell modules related in these patents have the following problems as most solar modules in the current market:
(1) one surface of the toughened glass, which is in contact with air, is a plane;
(2) the battery pieces are rectangular with chamfers, so that white spots can be formed among the battery pieces;
(3) the phenomena of air bubbles, cell displacement and the like can occur in the using process.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome the not enough of prior art, provide a structural design science, sunlight absorption area is big, effective power generation area is big, output is big, the long service life's of backplate crystalline silicon solar cell panel.
For realizing the utility model provides the following technical scheme:
the crystalline silicon solar cell panel comprises a toughened glass layer, an upper EVA (ethylene vinyl acetate) film layer, a cell sheet layer, a lower EVA film layer and a back plate from top to bottom in sequence, wherein one surface of the toughened glass layer, which is in contact with air, is an arc-shaped convex surface, and the other surface of the toughened glass layer is a horizontal plane; the cell slice layer comprises a main cell set and an auxiliary cell set.
Further, the toughened glass layer is suede glass.
Further, the upper EVA adhesive film layer is a high-transmittance EVA adhesive film layer, and the light transmittance is greater than 90%.
Further, the lower EVA adhesive film layer is an ultraviolet-isolating EVA adhesive film layer, the ultraviolet transmittance is less than 4%, and a glass fiber non-woven thin felt is further arranged between the back plate and the cell sheet layer.
Furthermore, the main battery sheet set comprises a plurality of main battery sheets which are evenly tiled and rectangular, four corners of each main battery sheet are chamfers, and blank areas are formed at the chamfers of the upper main battery sheet, the lower main battery sheet, the left main battery sheet and the right main battery sheet which are adjacent to each other; the auxiliary battery piece group comprises a plurality of circular, rectangular or triangular auxiliary battery pieces, and the auxiliary battery pieces are arranged in the blank regions.
The utility model discloses an useful part:
firstly, the method comprises the following steps: the surface of the toughened glass layer, which is in contact with the air, is an arc-shaped convex surface, so that the sunlight absorption area is increased in the same area;
secondly, the method comprises the following steps: the main battery piece group and the auxiliary battery piece group are arranged, the auxiliary battery piece is used for filling a blank area between the main battery pieces, gaps between the main battery pieces are fully utilized, the effective power generation area is increased, and the output power of the solar cell panel is increased;
thirdly, the method comprises the following steps: the upper EVA adhesive film layer is a high-transmittance EVA adhesive film layer, and the lower EVA adhesive film layer is an ultraviolet-proof EVA adhesive film layer; the upper EVA adhesive film improves the transmittance of sunlight so as to improve the efficiency of the solar cell, and the lower EVA adhesive film blocks ultraviolet rays, protects the back plate and prolongs the service life of the back plate;
fourthly: the glass fiber non-woven mat has water vapor barrier property, insulation property and hydrolysis resistance, and can prevent the displacement of the battery piece and eliminate bubbles, thereby improving the quality and yield of the assembly.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic diagram of a cell sheet structure.
In the figure: 1 is a toughened glass layer, 2 is an upper EVA adhesive film layer, 3 is a battery sheet layer, 3.1 is a main battery sheet, 3.2 is an auxiliary battery sheet, 3.3 is a white space, 4 is a lower EVA adhesive film layer, 4.1 is a glass fiber non-woven thin felt, and 5 is a back plate.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
The crystalline silicon solar cell panel comprises a toughened glass layer 1, an upper EVA (ethylene vinyl acetate) film layer 2, a cell sheet layer 3, a lower EVA film layer 4 and a back plate 5 from top to bottom in sequence, wherein one surface of the toughened glass layer 1, which is in contact with air, is an arc-shaped convex surface, and the other surface of the toughened glass layer is a horizontal plane; the solar cell comprises a back plate 5 and a cell sheet 3, wherein the cell sheet 3 comprises a main cell sheet and an auxiliary cell sheet, the toughened glass layer 1 is suede glass, the upper EVA adhesive film layer 2 is a high-transmittance EVA adhesive film layer, the light transmittance is greater than 90%, the lower EVA adhesive film layer 4 is an ultraviolet-isolating EVA adhesive film layer, the ultraviolet transmittance is less than 4%, a glass fiber non-woven thin felt 4.1 is further arranged between the back plate 5 and the cell sheet, the main cell sheet comprises a plurality of main cells 3.1 which are uniformly tiled and have four corners being chamfers, and a blank region 3.3 is formed at the chamfer of the upper, lower, left and right adjacent main cells; the auxiliary battery piece group comprises a plurality of circular, rectangular or triangular auxiliary battery pieces 3.2, and the auxiliary battery pieces 3.2 are arranged in the blank area 3.3.
The upper EVA adhesive film layer 2 is a high-transmittance EVA adhesive film layer, and high-transmittance EVA resin with the vinyl acetate content of 28-33% can be added into the upper EVA adhesive film layer 2 to improve the transmittance of the upper EVA adhesive film layer.
The lower EVA adhesive film layer 4 is an ultraviolet-isolating EVA adhesive film layer, an ultraviolet absorbent UV-326 and an ultraviolet blocking agent titanium dioxide can be added into the lower EVA adhesive film layer 4, the ultraviolet absorbent UV-326 has better compatibility with various resins, is insensitive to metal ions, does not turn yellow under alkaline conditions, has small heat volatilization loss, can effectively absorb ultraviolet rays with the wavelength of 270 ~ 380nm, has synergistic effect when used together with an antioxidant, and also has oxygen resistance.
The present invention is not limited to the crystalline silicon solar panels according to the above embodiments, and various changes may be made by those skilled in the art, and any changes equivalent or similar to the present invention are intended to be covered by the scope of the claims.
Claims (5)
1. Crystalline silicon solar cell panel, its characterized in that: the solar cell comprises a toughened glass layer, an upper EVA (ethylene vinyl acetate) adhesive film layer, a cell sheet layer, a lower EVA adhesive film layer and a back plate which are arranged in sequence from top to bottom, wherein one surface of the toughened glass layer, which is in contact with air, is an arc-shaped convex surface, and the other surface of the toughened glass layer is a horizontal plane; the cell slice layer comprises a main cell set and an auxiliary cell set.
2. The crystalline silicon solar panel according to claim 1, characterized in that: the toughened glass layer is suede glass.
3. The crystalline silicon solar panel according to claim 1, characterized in that: the upper EVA adhesive film layer is a high-transmittance EVA adhesive film layer, and the light transmittance is greater than 90%.
4. The crystalline silicon solar panel according to claim 1, characterized in that: the lower EVA adhesive film layer is an ultraviolet-proof EVA adhesive film layer, the ultraviolet transmittance is less than 4%, and a glass fiber non-woven thin felt is further arranged between the back plate and the battery sheet layer.
5. The crystalline silicon solar panel according to claim 1, characterized in that: the main battery sheet set comprises a plurality of main battery sheets which are evenly tiled and rectangular, four corners of each main battery sheet are chamfers, and blank regions are formed at the chamfers of the upper main battery sheet, the lower main battery sheet, the left main battery sheet and the right main battery sheet which are adjacent to each other; the auxiliary battery piece group comprises a plurality of circular, rectangular or triangular auxiliary battery pieces, and the auxiliary battery pieces are arranged in the blank regions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920666838.2U CN209859958U (en) | 2019-05-10 | 2019-05-10 | Crystalline silicon solar panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920666838.2U CN209859958U (en) | 2019-05-10 | 2019-05-10 | Crystalline silicon solar panel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209859958U true CN209859958U (en) | 2019-12-27 |
Family
ID=68940788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920666838.2U Expired - Fee Related CN209859958U (en) | 2019-05-10 | 2019-05-10 | Crystalline silicon solar panel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209859958U (en) |
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2019
- 2019-05-10 CN CN201920666838.2U patent/CN209859958U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191227 |