CN205452298U - Novel subassembly is deceived to photovoltaic - Google Patents
Novel subassembly is deceived to photovoltaic Download PDFInfo
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- CN205452298U CN205452298U CN201521096332.0U CN201521096332U CN205452298U CN 205452298 U CN205452298 U CN 205452298U CN 201521096332 U CN201521096332 U CN 201521096332U CN 205452298 U CN205452298 U CN 205452298U
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Abstract
The utility model discloses a novel subassembly is deceived to photovoltaic, it include from last to the glass board that sets gradually down, go up encapsulating material, solar wafer, encapsulating material, backplate and cladding are at the frame at glass and backplate edge down, backplate and frame are black, solar wafer has the silicon nitride film on the surface, the refracting index of silicon nitride film is 2.0~2.2, the membrane is favored and is 60~90nm, glass board antireflection coating thickness on the surface is 100~180nm. The utility model discloses a design principle is: mate the thickness and the refracting index of the surperficial silicon nitride film of battery piece with photovoltaic glass and glass coating film layer, when coating film glass was better with silicon nitride rete matching, the subassembly outward appearance can present the colour effect than the homogeneous. Adopt the utility model discloses a subassembly can satisfy application end to the strict demand of colour difference, both can make the subassembly have higher power to reach simultaneously, can practice thrift the artifical segmentation time cost that the look expended again, improved work efficiency greatly.
Description
Technical field
This utility model relates to a kind of photovoltaic module, particularly relates to a kind of black assembly of Novel photovoltaic.
Background technology
The black assembly of photovoltaic refers to that backboard and frame are the photovoltaic module of black.The black assembly of photovoltaic applies in general to roof project, and component facade is required higher by application end, does not allow to exist between assembly cell piece appearance color difference.Outward appearance also can be had undesirable effect by the finger-marks of glass surface and speck.
In order to meet above-mentioned appearance requirement, generally there is following two way: the first way is to increase and cell piece color manually carries out careful classification, and the method cost of labor is high, and yield ratio is low, can produce a large amount of dull product；The second way is to use non-coated photovoltaic glass to be packaged, but component power is brought greater loss by non-coated photovoltaic glass, typically than the coated glass many losses of power meeting more than 2%.
Utility model content
The purpose of this utility model is to provide a kind of black assembly of the Novel photovoltaic with high power and low cost without appearance chromatic difference.
The purpose of this utility model is realized by techniques below measure: a kind of black assembly of Novel photovoltaic, it includes the glass plate set gradually from top to bottom, upper encapsulating material, solar battery sheet, lower encapsulating material, backboard and is coated on the frame of glass and back plate edges, described backboard and frame are black, it is characterized in that: on described solar battery sheet surface, there is silicon nitride film, the refractive index of described silicon nitride film is 2.0～2.2, thickness is 60～90nm, and the antireflective coating thickness in glass pane surface is 100～180nm.
Design principle of the present utility model is: thickness and the refractive index of surfaces nitrided for cell piece silicon thin film being mated with photovoltaic glass and coating film on glass layer, when coated glass mates preferable with silicon nitride film layer, component facade can present more uniform color effects.Therefore, use assembly of the present utility model can meet the application end strict demand to aberration, assembly both can have been made to have higher power to reach simultaneously, and can save again and manually segment the time cost spent by color, be greatly improved work efficiency.
As a kind of improvement of the present utility model, described antireflective coating is hole-closing structure, and surface is more smooth so that the black assembly of photovoltaic has anti-contamination and function easy to clean.
As a kind of embodiment of the present utility model, described upper encapsulating material and lower encapsulating material all use EVA resin.
Compared with prior art, this utility model has a following significantly effect:
(1) thickness and the refractive index of surfaces nitrided for cell piece silicon thin film are mated by this utility model with photovoltaic glass and coating film on glass layer, when mating suitable, it is possible to meet the black assembly of photovoltaic about the requirement not allowing to exist between assembly cell piece appearance color difference.
(2) this utility model uses antireflective coating to be the photovoltaic glass of hole-closing structure, surface is more smooth, is difficult to adhere to EVA and finger-marks, and after cleaning, vestige is inconspicuous, there is anti-dirty function, it is possible to meet and be not allow for, about assembly surface, the requirement that any dirty vestige exists.
(3) this utility model is implemented easily, to be greatly improved work efficiency with time-consuming cost and human cost, and assembly has relatively low power loss, and application prospect is extensive.
Accompanying drawing explanation
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
Fig. 1 is the structural representation of the silicon nitride film on this utility model cell piece and its surface；
Fig. 2 is the structural representation of antireflective coating on this utility model glass plate and its surface.
Detailed description of the invention
As shown in Figure 1, 2, it it is this utility model black assembly of one Novel photovoltaic, it includes the glass plate 1 set gradually from top to bottom, upper encapsulating material, solar battery sheet 2, lower encapsulating material, backboard and is coated on the frame of glass plate 1 and back plate edges, backboard and frame are black, and upper encapsulating material and lower encapsulating material all use EVA resin.Having silicon nitride film 3 on solar battery sheet surface, the refractive index of silicon nitride film 3 is 2.0～2.2, and thickness is 60～90nm, and antireflective coating 4 thickness on glass plate 1 surface is 100～180nm.Thickness and the refractive index of surfaces nitrided for cell piece silicon thin film are mated by this utility model with photovoltaic glass and coating film on glass layer, when coated glass selects properly and cell piece silicon nitride thickness refractive index selects suitable, it is possible to meet component facade and present preferably black effect.Meet the black assembly of photovoltaic about the requirement not allowing to exist between assembly cell piece appearance color difference.
Antireflective coating 4 is to be formed through sintering after glass plate 1 surface uniformly coats by glass coating liquid, the antireflective coating 4 formed is hole-closing structure, surface is more smooth, dirt is difficult to adhere to, introduce dirty as EVA, finger-marks etc. be easy to removal, after removal, glass vestige is inconspicuous so that the black assembly of photovoltaic has anti-dirty function.
Manufacturing process of the present utility model is as follows:
(1) cell piece silicon nitride film, passes through technical arrangement plan, it is achieved silicon nitride film refractive index n average is 2.05, and thickness average is 75nm silicon nitride film layer；
(2) using antireflective coating is the photovoltaic glass of hole-closing structure, and its thickness average is 140nm；
(3) cell piece new technology made and coated glass, be fabricated to photovoltaic cell component.
By visual inspection, there is not aberration and fouling problems, dirty for introducing is also easy to remove by wiping.
Embodiment of the present utility model is not limited to this; according to foregoing of the present utility model; according to ordinary technical knowledge and the customary means of this area, this utility model can also be made the amendment of other various ways, replace or change, within the scope of all falling within this utility model rights protection.
Claims (3)
1. the black assembly of Novel photovoltaic, it includes the glass plate set gradually from top to bottom, upper encapsulating material, solar battery sheet, lower encapsulating material, backboard and is coated on the frame of glass plate and back plate edges, described backboard and frame are black, it is characterized in that: on described solar battery sheet surface, there is silicon nitride film, the refractive index of described silicon nitride film is 2.0～2.2, thickness is 60～90nm, and the antireflective coating thickness in glass pane surface is 100～180nm.
The black assembly of Novel photovoltaic the most according to claim 1, it is characterised in that: described antireflective coating is hole-closing structure.
The black assembly of Novel photovoltaic the most according to claim 2, it is characterised in that: described upper encapsulating material and lower encapsulating material all use EVA resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521096332.0U CN205452298U (en) | 2015-12-24 | 2015-12-24 | Novel subassembly is deceived to photovoltaic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521096332.0U CN205452298U (en) | 2015-12-24 | 2015-12-24 | Novel subassembly is deceived to photovoltaic |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205452298U true CN205452298U (en) | 2016-08-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521096332.0U Active CN205452298U (en) | 2015-12-24 | 2015-12-24 | Novel subassembly is deceived to photovoltaic |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205452298U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111430507A (en) * | 2020-04-28 | 2020-07-17 | 江阴友阳光伏有限公司 | Production process of battery piece for black photovoltaic module |
| WO2023226487A1 (en) | 2022-05-23 | 2023-11-30 | 横店集团东磁股份有限公司 | All-black crystalline silicon solar cell and preparation method therefor, and photovoltaic module |
-
2015
- 2015-12-24 CN CN201521096332.0U patent/CN205452298U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111430507A (en) * | 2020-04-28 | 2020-07-17 | 江阴友阳光伏有限公司 | Production process of battery piece for black photovoltaic module |
| WO2023226487A1 (en) | 2022-05-23 | 2023-11-30 | 横店集团东磁股份有限公司 | All-black crystalline silicon solar cell and preparation method therefor, and photovoltaic module |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |