CN202405290U - Building material type photovoltaic thin-film vacuum assembly - Google Patents
Building material type photovoltaic thin-film vacuum assembly Download PDFInfo
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- CN202405290U CN202405290U CN 201220000737 CN201220000737U CN202405290U CN 202405290 U CN202405290 U CN 202405290U CN 201220000737 CN201220000737 CN 201220000737 CN 201220000737 U CN201220000737 U CN 201220000737U CN 202405290 U CN202405290 U CN 202405290U
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- vacuum
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- passing board
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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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Abstract
The utility model provides a building material type photovoltaic thin-film vacuum assembly which is characterized by comprising a vacuum thin-film cell and a light-passing board, wherein the vacuum thin-film cell is composed of vacuum glass by directly coating on the surface of the vacuum glass, and an electrode is led out of the edge of the vacuum glass; and the light-passing board is adhered with the vacuum thin-film cell by EVA (ethylene-vinyl acetate). According to the utility model, the vacuum glass is used as a substrate and is directly coated to prepare the vacuum thin-film cell, and after the vacuum thin-film cell is laminated with the light-passing board, sunlight irradiates the thin film by the light-passing board, so that the assembly can generate power; and because a vacuum layer is arranged in the vacuum glass, the assembly has excellent heat-insulating property.
Description
Technical field
The utility model relates to a kind of solar power generation building materials property photovoltaic product, is specifically related to a kind of building materials type photovoltaic film vacuum subassembly.
Background technology
Quick growth along with the BIPV application market; Architectural for crystal-silicon solar cell, thin film solar cell are applied directly to as the part of construction material, each photovoltaic module manufacturing enterprise mostly adopts to be pieced together compound mode and makes building materials property photovoltaic component.Main forms has following several kinds: i) adopt two blocks of glass that crystalline silicon solar cell piece is clipped in the middle, utilize PVB/EVA to be made into doubling crystal silicon photovoltaic assembly; Ii) adopt glass and thin film solar cell sheet, utilize PVB/EVA to be made into the doubling membrane photovoltaic component; Iii) adopt a vacuum glass and thin film solar cell sheet, utilize PVB/EVA to be made into doubling film or crystal silicon vacuum photovoltaic assembly; Iv) be made into doubling crystal silicon or film earlier and be combined into film or crystal silicon hollow light photovoltaic assembly.
Above-mentioned encapsulating structure form has only improved the ability of crystal silicon or film photovoltaic member bearing load, though member possesses electricity generate function, outstanding heat insulation, the energy-efficient performance to construction material requires does not but have.The compound packaged type of this employing compound glass, photovoltaic component are too heavy, and building load increases, and cause building cost to rise.On the one hand, above-mentioned photovoltaic component encapsulating structure form production process is various in addition, and quality is restive, and quality consistency is poor.Product can not be real alternative traditional construction material, its higher price is not accepted by most of people yet.
The utility model content
The technical problem that the utility model will solve is: a kind of building materials type photovoltaic film vacuum subassembly is provided, can makes photovoltaic module possess excellent heat insulation, sound insulation value.
The utility model is to solve the problems of the technologies described above the technical scheme of being taked to be: a kind of building materials type photovoltaic film vacuum subassembly, and it is characterized in that: it comprises vacuum film battery and light-passing board; The vacuum film battery by vacuum glass on its surface directly plated film constitute, and from the vacuum glass limit portion's extraction electrode; Light-passing board and vacuum film battery are through the EVA gummed.
In order to reach better conversion efficiency, described vacuum film battery is selected NIP type silicon-base thin-film battery or CIGS hull cell for use.
For better printing opacity and protective film, described light-passing board is selected low iron ultrawhite toughened glass for use.
Described light-passing board is selected transparent TPT plate for use, except better printing opacity and protective film, can also alleviate assembly weight.
Press such scheme, described vacuum glass is formed by connecting the edge sealing structure of 2 blocks of glass through glass edge, is provided with vacuum chamber between 2 blocks of glass, is provided with equally distributed supporter in the vacuum chamber.
Press such scheme, the thickness of said vacuum chamber is 0.1-0.2mm.
The beneficial effect of the utility model is:
1, the utility model with vacuum glass as substrate, and above that directly plated film process the vacuum film battery, through with the light-passing board pressing after, sunlight sees through light-passing board and impinges upon on the film, makes assembly to generate electricity; Owing to be provided with vacuum layer in the middle of the vacuum glass, thereby make this assembly possess excellent heat-proof quality.
2, the utility model utilizes the transparent TPT plate performance close with toughened glass, and the advantage lighter than glass, reaching the purpose that alleviates assembly weight, thereby reduces cost, and satisfies the requirement of BIPV to building materials type photovoltaic module.
3, select NIP type silicon-base thin-film battery or CIGS hull cell for use, fully absorb to guarantee the photon absorbed layer.
4, select the EVA gummed between light-passing board and the vacuum film battery for use, can guarantee effectively can not come off after the vacuum glass breakage, thereby this assembly possesses better security performance at once.
5, the utility model is simple in structure, and adopts existing technology and equipment to make, and need not too much equipment input, and production process is simple.
Description of drawings
Fig. 1 is the structural representation of the utility model one embodiment.
Among the figure: 1, light-passing board; 2, EVA layer; 3, upper conductive film; 4, generating tunic; 5, lower conductive film; 6, preceding glass sheet; 7, supporter; 8, edge sealing structure; 9, terminal box; 10, back glass sheet.
Embodiment
Fig. 1 is the structural representation of the utility model one embodiment, comprises vacuum film battery and light-passing board 1, and light-passing board 1 glues together through EVA layer 2 with the vacuum film battery.
Direct plated film constitutes the vacuum film battery on its surface by vacuum glass.Vacuum glass is formed by connecting preceding glass sheet 6 and the edge sealing structure 8 of back glass sheet 10 through glass edge, is provided with vacuum chamber between two blocks of glass, is provided with equally distributed supporter 7 in the vacuum chamber.As baseplate material, at vacuum glass surface deposition lower conductive film 5, generating tunic 4 and upper conductive film 3, draw quarter with vacuum glass successively, vacuum glass directly is made into the vacuum film battery through laser.For silica-based vacuum film battery, upper conductive film 3 is SnO with lower conductive film 5
2Conducting film, generating tunic 4 is a NIP type silica-base film; For CIGS vacuum film battery, upper conductive film 3 is the ZnO conducting film, and lower conductive film 5 is the Mo lower conductive film, and generating tunic 4 is made up of light absorbing zone CIGS and resilient coating CDS.
The vacuum film battery is glued together through EVA and light-passing board 1 behind the vacuum glass limit portion extraction electrode, promptly becomes building materials type film photovoltaic vacuum subassembly.Light-passing board 1 can be selected transparent TPT plate or low iron ultrawhite toughened glass according to actual needs for use; Preceding glass sheet 6 is selected float glass (or tempered glass) for use with back glass sheet 10.
This assembly electrode with after terminal box 9 is connected, is promptly can be used as building materials type product and locates to use at building wall, door and window etc.
The manufacturing process of present embodiment comprises:
One, the making of vacuum glass
1, the cleaning of forward and backward glass sheet, drying;
2, layout: on glass sheet after the even equidistant placement of supporter;
3, close sheet: preceding glass sheet is placed on the supporter, keeps about two glasses interval 0.15mm;
4, edge sealing and vacuumizing: in continuous oven, accomplish glassing, the mouth of bleeding is laid, the sintering edge sealing; Vacuumize; Seal the mouth of bleeding;
5, vacuum glass cleaning-drying.
Two, the making of vacuum film battery
1, vacuum glass is placed in the magnetron sputtering stove, made lower conductive film;
2, P1 laser grooving and scribing lower conductive film rete;
3, vacuum glass is put into high frequency PECVD, deposit N layer, I layer, P layer silica-base film (perhaps magnetron sputtering C IGS rete) successively;
4, P2 laser grooving and scribing NIP type silica-base film rete (perhaps light absorbing zone CIGS);
5, vacuum glass is placed in the magnetron sputtering stove, made upper conductive film;
6, P3 laser grooving and scribing upper conductive film rete.
Three, the making of building materials type film photovoltaic vacuum subassembly
1, goes out the utmost point and draw positive and negative polar curve;
2, EVA, light-passing board are successively placed on the vacuum glass face;
3, the EVA hot setting is accomplished in lamination encapsulation in laminating machine;
4, installation connection box, the cleaning packing.
This assembly adopts the vacuum glass structure, rete be sensitive surface towards sunlight, absorb photon, temperature rises, and produces electrical property; Vacuum layer towards indoor, because vacuum layer has been blocked the air dielectric of conduction, convection current and the sound transmission of heat, thereby possesses excellent heat insulation, sound insulation value as thermal insulation layer.General photovoltaic module coefficient of heat insulation is at 2.8w/m
2More than the k, sound insulation value is below 30 decibels (DB); The utility model patent building materials type film vacuum subassembly coefficient of heat insulation can be at 1.2w/m
2Below the k, sound insulation value is more than 36 decibels (DB).
This assembly fully absorbs in order to guarantee the photon absorbed layer, and for silica-base film, the big P type impurity-penetrating layer of energy gap should be as Window layer towards sunlight, thereby generating tunic 4 should deposit NIP type structure; Upper conductive film 3 is the ZnO conducting film for the CIGS rete, because itself be exactly Window layer; Generate electricity so can directly expose to sunlight.
This assembly is for protective film, and light-passing board 1 adopts transparent TPT plate, and its purpose is exactly to utilize the characteristics of transparent TPT high transmission rate and light weight to alleviate the weight of photovoltaic module.Compare the glass that light-passing board 1 adopts low iron ultrawhite, wherein wt can alleviate more than 100 newton for every square metre.
Claims (6)
1. building materials type photovoltaic film vacuum subassembly, it is characterized in that: it comprises vacuum film battery and light-passing board; The vacuum film battery by vacuum glass on its surface directly plated film constitute, and from the vacuum glass limit portion's extraction electrode; Light-passing board and vacuum film battery are through the EVA gummed.
2. building materials type photovoltaic film vacuum subassembly according to claim 1, it is characterized in that: described vacuum film battery is selected NIP type silicon-base thin-film battery or CIGS hull cell for use.
3. building materials type photovoltaic film vacuum subassembly according to claim 1 and 2, it is characterized in that: described light-passing board is selected transparent TPT plate for use.
4. building materials type photovoltaic film vacuum subassembly according to claim 1 and 2 is characterized in that: described light-passing board is selected low iron ultrawhite toughened glass for use.
5. building materials type photovoltaic film vacuum subassembly according to claim 1 and 2; It is characterized in that: described vacuum glass is formed by connecting the edge sealing structure of 2 blocks of glass through glass edge; Be provided with vacuum chamber between 2 blocks of glass, be provided with equally distributed supporter in the vacuum chamber.
6. building materials type photovoltaic film vacuum subassembly according to claim 5, it is characterized in that: the thickness of said vacuum chamber is 0.1-0.2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220000737 CN202405290U (en) | 2012-01-04 | 2012-01-04 | Building material type photovoltaic thin-film vacuum assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220000737 CN202405290U (en) | 2012-01-04 | 2012-01-04 | Building material type photovoltaic thin-film vacuum assembly |
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| Publication Number | Publication Date |
|---|---|
| CN202405290U true CN202405290U (en) | 2012-08-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220000737 Expired - Lifetime CN202405290U (en) | 2012-01-04 | 2012-01-04 | Building material type photovoltaic thin-film vacuum assembly |
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| Country | Link |
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| CN (1) | CN202405290U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106930473A (en) * | 2017-03-28 | 2017-07-07 | 佛山佳牧乐科技有限公司 | A kind of dismountable assembled house top board |
-
2012
- 2012-01-04 CN CN 201220000737 patent/CN202405290U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106930473A (en) * | 2017-03-28 | 2017-07-07 | 佛山佳牧乐科技有限公司 | A kind of dismountable assembled house top board |
| CN106930473B (en) * | 2017-03-28 | 2019-03-26 | 佛山佳牧乐科技有限公司 | A kind of dismountable assembled house top plate |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120829 |