CN203434172U - Photovoltaic assembly not having sealing frame - Google Patents
Photovoltaic assembly not having sealing frame Download PDFInfo
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- CN203434172U CN203434172U CN201320535322.7U CN201320535322U CN203434172U CN 203434172 U CN203434172 U CN 203434172U CN 201320535322 U CN201320535322 U CN 201320535322U CN 203434172 U CN203434172 U CN 203434172U
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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 discloses a novel photovoltaic assembly not having a sealing frame. The photovoltaic assembly not having the sealing frame comprises a front glass layer, a first cross-linked polyolefin packaging glue film layer, a battery layer, a second cross-linked polyolefin packaging glue film layer and a plastic sheet layer. The front glass layer and the battery layer are bonded via the first cross-linked polyolefin packaging glue film layer, the plastic sheet layer and the battery layer are bonded via the second cross-linked polyolefin packaging glue film layer, and the battery layer comprises multiple rows of battery pieces. The battery pieces in each row are connected in series via solder strips, and the solder strips in each row are connected in series via bus bars. Compared with a double glass assembly, the photovoltaic assembly can keep an original transparency, does not need the surrounding sealant or adhesive tapes, and is light in weight and simple in laminating technique. Compared with a transparent assembly, the photovoltaic assembly does not need an aluminum alloy frame and a transparent backboard, thereby being lower in cost. The photovoltaic assembly of the utility model can substitute the current double glass assembly and the transparent assembly.
Description
Technical field
The utility model relates to photovoltaic module field, and particularly photovoltaic module technical field of sealing technology, specifically refers to a kind of novel photovoltaic module without sealed frame.
Background technology
Along with the architecture-integral of photovoltaic, the two glass assemblies of photovoltaic and transparent components are more and more used in newly-built building as ceiling, body of wall.
Two glass assemblies comprise front glass layer, glued membrane, photovoltaic cell, glued membrane and rear glass from top to bottom successively.The front glass of two glass assemblies generally adopts the photovoltaic special glass of tempering, rear glass use half tempered or the not glass of tempering.Glued membrane adopts EVA(ethylene-vinyl acetate copolymer) glued membrane.Because EVA is there being facile hydrolysis under the state of water to cause the cohesive force of EVA and glass to decline, so two glass assembly must be used the edge sealing adhesive sealings such as butyl rubber, silica gel or adhesive tape in the surrounding of glass.Two glass assemblies can not used the aluminum alloy frame in conventional assembly conventionally.
The advantage of two glass assemblies is to use glass to replace backboard, can not need aluminium frame, and shortcoming is that weight increases the weight of a lot, must seal in glass surrounding.The material that is hard due to two blocks of front and back glass in addition easily makes cell piece crushed in lamination process.And owing to using glass to substitute backboard, so laminating technology is not identical with common component yet.
Transparent components structure is identical with common component, and unique difference is that backboard adopts transparent back panel.Structure is front glass, glued membrane, cell piece, glued membrane, transparent back panel successively.Backboard is used compound backboard, and structure is transparent fluoroplastics, translucent adhesive, PET, translucent adhesive, transparent fluoroplastics or transparency polyolefin conventionally.Glued membrane is EVA glued membrane.Assembly surrounding will be with the aluminum alloy frame silica gel sealing of fixing and annotate between aluminium frame and glass.
The advantage of transparent components is identical with conventional modular construction, can use same laminating technology.Shortcoming is that price is high because transparent back panel output is few, makes it on cost, there is no advantage.
Utility model content
In order to solve the problem of above-mentioned prior art, it is a kind of novel without sealed frame photovoltaic module that the utility model provides, and has enough weather resisteants.Compare with two glass assemblies, this assembly can keep original transparency, do not need fluid sealant or the adhesive tape of surrounding, and weight is lighter, and laminating technology is simple.Compare with transparent components, this assembly does not need aluminum alloy frame, does not need transparent back panel, thereby cost is lower.
To achieve these goals, the utility model adopts following technical scheme:
A kind of photovoltaic module without sealed frame, comprise front glass layer, the first cross-linking type polyolefin packaging plastic rete, battery layers, the second cross-linking type polyolefin packaging plastic rete and plastics lamella, described front glass layer and described battery layers are bonding by the first cross-linking type polyolefin packaging plastic rete, described plastics lamella and described battery layers are bonding by described the second cross-linking type polyolefin packaging plastic rete, described battery layers comprises many row's cell pieces, each row's cell piece is in series by welding, and each is arranged welding and is in series by convergent belt.
Because cross-linking type polyolefin can not be hydrolyzed, so do not need to use edge sealing adhesive protection.Because polyolefinic permeability rate is far below EVA glued membrane, so can use the simpler plastic sheet of structure to replace backboard.Photovoltaic module of the present utility model does not need edge sealing adhesive and aluminum alloy frame, use that yet can be permanent.
Described cross-linking type polyolefin packaging adhesive film is that one or more mixtures in ethylene copolymer, its derivative, polyolefin are prepared from, and in composition, does not contain and meets the degradable ester group of water.
Preferably, the graft that described cross-linking type polyolefin packaging adhesive film is ethylene copolymer, its derivative or polyolefin and silane.
Preferably, described cross-linking type polyolefin packaging adhesive film is after lamination, and the degree of cross linking can reach more than 50%.
More preferably, the cohesive force of cross-linking type polyolefin packaging adhesive film and front glass is greater than 70N/cm, is greater than 40N/cm with the cohesive force of plastic sheet.
For example, described cross-linking type polyolefin packaging adhesive film is preferably the polyolefin packaging adhesive film of Silane Grafted, and in the polyolefin of wherein said Silane Grafted, described polyolefin POE is the copolymer of ethene and butylene or octene;
In the polyolefin of wherein said Silane Grafted, described silane coupler is siloxanes coupling agent, and it refers to the silane with organo-functional group, and its general formula is RSiX
3in general formula, R representative and polymer molecule have the active function groups of affinity or respond, as there is the vinyl of grafting ability and there is amino, methacryloxy, glycidyl, epoxy radicals, amide groups, the aminopropyl of polarity, the groups such as maleic anhydride base; The group that X representative can be hydrolyzed; Be preferably vinyltriethoxysilane.
In the polyolefin of wherein said Silane Grafted, described crosslinking agent is organic peroxide.The compound of organic peroxide for containing peroxy (-O-O-), after being heated-O-O-bond fission, split into two corresponding free radicals, thereby cause cross-linking reaction.Molecular formula is R1-O-O-R2 or R1-O-O-R2-O-O-R3.R1, R2 can be aryl, alkyl or acyl group, and R3 can be aryl, alkyl or ester group.As benzoyl peroxide (BP0), cumyl peroxide (DCP), two (t-butylperoxy) diisopropylbenzene (DIPB) (BIPB), tert butyl peroxy benzoate (TBPB), tert-butyl hydroperoxide 2-ethylhexyl carbonic ester (TEBC), n-butyl-4,4-di-t-butyl peroxy valerate 1,1-di-t-butyl peroxy-3,3,5-trimethyl cyclohexane etc.
Preferably, the polyolefin of described Silane Grafted is POE grafting vinyl triethoxysilane.
More preferably, the thickness of the first cross-linking type polyolefin adhesive film layer and the second cross-linking type polyolefin adhesive film layer is all at 200 microns to 1000 microns.
Preferably, described plastics lamella is the plastic sheet with excellent weathering resistance, can be multilayer can be also individual layer.The plastic sheet of multilayer is not compound sandwich construction.
Preferably, described plastic sheet can be to be selected from polyesters, fluorochemical class, PC(Merlon), PET(PETG), PMMA(polymethyl methacrylate), PA(polyamide) etc. in the plastic sheet of single layer structure of at least one material.Described plastic sheet can be to be also selected from polyesters, fluorochemical class, PC(Merlon), PET(PETG), PMMA(polymethyl methacrylate), PA(polyamide), PVDF(Kynoar) etc. the multi-layer co-extruded plastic sheet material of multiple material.Described plastic sheet can also be that one or more in above-mentioned material are coated on another kind of plastic sheet and the weather resistant plastic sheet forming.
Preferably, described plastic sheet can be transparent, translucent, opaque plastic sheet, can be also white, black or colored plastic sheet.
More preferably, the thickness of described plastics lamella is between 100 microns to 2000 microns.
Preferably, saturating, the low iron of height that described front glass layer can be photovoltaic module special use, with the toughened glass of embossing, can be also the simple glass of tempering.
Preferably, described cell piece can be polycrystalline silicon battery plate or monocrystalline silicon battery sheet.
Because the front and back structure of this novel Rimless assembly remains glass and plastics, so laminating technology is the same with normal optical photovoltaic assembly.
Beneficial effect of the present invention is: the photovoltaic module without sealed frame that the utility model provides does not need, with edge sealing adhesive sealing, not need aluminum alloy frame yet, and the two glass assemblies of weight ratio are light, the similar normal optical photovoltaic assembly of laminating technology.This structure not only greatly reduces costs and simplifies technique, and can be applied on building field well.
Accompanying drawing explanation
Fig. 1 is the structural representation of a specific embodiment of the present invention.
Embodiment
For better understanding content of the present utility model, below in conjunction with specific embodiment, be described further.
The photovoltaic module without sealed frame as shown in Figure 1, comprise front glass layer 1, the first cross-linking type polyolefin packaging plastic rete 2, battery layers 3, the second cross-linking type polyolefin packaging plastic rete 4 and plastics lamella 5, described front glass layer 1 and described battery layers 3 are bonding by the first cross-linking type polyolefin packaging plastic rete 2, described plastics lamella 5 and described battery layers 3 are bonding by described the second cross-linking type polyolefin packaging plastic rete 4, described battery layers 3 comprises many row's cell pieces, each row's cell piece is in series by welding, and each is arranged welding and is in series by convergent belt.
Preferably, the thickness of the first cross-linking type polyolefin adhesive film layer and the second cross-linking type polyolefin adhesive film layer is all at 200 microns to 1000 microns.
Preferably, described cross-linking type polyolefin packaging adhesive film is that one or more mixtures in ethylene copolymer, its derivative, polyolefin are prepared from, and in composition, does not contain and meets the degradable ester group of water.
More preferably, the graft that described cross-linking type polyolefin packaging adhesive film is ethylene copolymer, its derivative or polyolefin and silane.
Preferably, described cell piece is polycrystalline silicon battery plate or monocrystalline silicon battery sheet.
Preferably, described plastics lamella is plastic sheet, the plastic sheet that described plastic sheet is single layer structure or the plastic sheet of multi-layer co-extruded structure, and the plastic sheet of this multi-layer co-extruded structure is not layer and the stacked composite multi-layer structure adding.
Better, the thickness of described plastics lamella is between 100 microns to 2000 microns.
Because cross-linking type polyolefin can not be hydrolyzed, so do not need to use edge sealing adhesive protection.Because polyolefinic permeability rate is far below EVA glued membrane, so can use the simpler plastic sheet of structure to replace backboard.Photovoltaic module of the present utility model does not need edge sealing adhesive and aluminum alloy frame, use that yet can be permanent.
Embodiment 1: without the opaque slim photovoltaic module of sealed frame, modular construction as shown in Figure 1.
| Each layer | Material | Performance | Thickness |
| Front glass | Photovoltaic glass | Light transmittance > 91% | 2.5mm |
| The first packaging adhesive film | The polyolefin of Silane Grafted | Light transmittance > 89% | 200μm |
| Battery | Monocrystalline silicon battery sheet | - | 190μm |
| The second packaging adhesive film | The polyolefin of Silane Grafted | Light transmittance > 89% | 200μm |
| Plastic sheet | White fluorine coating white PET | White-opalescent | 100μm |
The opaque slim photovoltaic module without sealed frame of this embodiment can be used as little block assembly and is used on the products such as toy.The polyolefin of above-mentioned Silane Grafted is POE grafting vinyl triethoxysilane, and above-mentioned fluorine coating is fluoro plastic coating, and this fluoro plastic coating is chlorotrifluoroethylene-vinylic-ether polymer.
Embodiment 2: without the translucent photovoltaic module of sealed frame, modular construction as shown in Figure 1.
| Each layer | Material | Performance | Thickness |
| Front glass | Photovoltaic glass | Light transmittance > 91% | 2.5mm |
| The first packaging adhesive film | The polyolefin of Silane Grafted | Light transmittance > 89% | 500μm |
| Battery | Polycrystalline silicon battery plate | - | 190μm |
| The second packaging adhesive film | The polyolefin of Silane Grafted | Light transmittance > 89% | 500μm |
| Plastic sheet | Red PMMA | Translucent | 2000μm |
The translucent photovoltaic module without sealed frame of this embodiment can substitute current two glass assemblies, and has color, can enrich the outward appearance of assembly.The polyolefin of above-mentioned Silane Grafted is POE grafting vinyl triethoxysilane, and above-mentioned fluorine coating is fluoro plastic coating, and this fluoro plastic coating is chlorotrifluoroethylene-vinylic-ether polymer.
Embodiment 3: without the all-transparent photovoltaic module of sealed frame, modular construction as shown in Figure 1.
| Each layer | Material | Performance | Thickness (μ m) |
| Front glass | Photovoltaic glass | Light transmittance > 91% | 2.5mm |
| The first packaging adhesive film | The polyolefin of Silane Grafted | Light transmittance > 89% | 500μm |
| Battery | Monocrystalline silicon battery sheet | - | 190μm |
| The second packaging adhesive film | The polyolefin of Silane Grafted | Light transmittance > 89% | 500μm |
| Plastic sheet | Transparent PVDF/PMMA co-extrusion | Transparent | 500μm |
The ceiling that the all-transparent photovoltaic module without sealed frame of this embodiment can be used as glass sunlight house is used, and the two glass assemblies of mass ratio are light, safer.The polyolefin of above-mentioned Silane Grafted is POE grafting vinyl triethoxysilane, and above-mentioned fluorine coating is fluoro plastic coating, and this fluoro plastic coating is chlorotrifluoroethylene-vinylic-ether polymer.
The above; it is only preferred embodiment of the present utility model; not to any formal and substantial restriction of the utility model; should be understood that; for those skilled in the art; do not departing under prerequisite of the present utility model, also can make some improvement and supplement, these improvement and supplement and also should be considered as falling into protection range of the present utility model.All those skilled in the art, in the situation that not departing from spirit and scope of the present utility model, a little change of making when utilizing disclosed above technology contents, the equivalent variations of modifying and developing, be equivalent embodiment of the present utility model; Meanwhile, the change of any equivalent variations that all foundations essence technology of the present utility model is done above-described embodiment, modification and differentiation, all still belong in the scope of the technical solution of the utility model.
Claims (6)
1. the photovoltaic module without sealed frame, it is characterized in that, comprise front glass layer, the first cross-linking type polyolefin packaging plastic rete, battery layers, the second cross-linking type polyolefin packaging plastic rete and plastics lamella, described front glass layer and described battery layers are bonding by the first cross-linking type polyolefin packaging plastic rete, described plastics lamella and described battery layers are bonding by described the second cross-linking type polyolefin packaging plastic rete, described battery layers comprises many row's cell pieces, each row's cell piece is in series by welding, and each is arranged welding and is in series by convergent belt.
2. the photovoltaic module without sealed frame according to claim 1, is characterized in that, described cross-linking type polyolefin packaging plastic rete is the packaging plastic rete of the graft of ethylene copolymer, its derivative or polyolefin and silane.
3. the photovoltaic module without sealed frame according to claim 1, is characterized in that, the thickness of described the first cross-linking type polyolefin adhesive film layer and the second cross-linking type polyolefin adhesive film layer is all at 200 microns to 1000 microns.
4. the photovoltaic module without sealed frame according to claim 1, is characterized in that, described cell piece is polycrystalline silicon battery plate or monocrystalline silicon battery sheet.
5. the photovoltaic module without sealed frame according to claim 1, is characterized in that, the thickness of described plastics lamella is between 100 microns to 2000 microns.
6. the photovoltaic module without sealed frame according to claim 1, is characterized in that, the plastic sheet that described plastics lamella is single layer structure or multi-layer co-extruded plastic sheet, and described plastic sheet is transparent, translucent or opaque plastic sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320535322.7U CN203434172U (en) | 2013-08-30 | 2013-08-30 | Photovoltaic assembly not having sealing frame |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320535322.7U CN203434172U (en) | 2013-08-30 | 2013-08-30 | Photovoltaic assembly not having sealing frame |
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| CN203434172U true CN203434172U (en) | 2014-02-12 |
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| CN201320535322.7U Expired - Lifetime CN203434172U (en) | 2013-08-30 | 2013-08-30 | Photovoltaic assembly not having sealing frame |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105957911A (en) * | 2016-06-16 | 2016-09-21 | 常州天合光能有限公司 | Solar component adhesive tape edge sealing laminating technology and adhesive tape edge sealing tool thereof |
| CN106129148A (en) * | 2016-06-24 | 2016-11-16 | 珠海格力电器股份有限公司 | Photovoltaic module and packaging technology thereof |
-
2013
- 2013-08-30 CN CN201320535322.7U patent/CN203434172U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105957911A (en) * | 2016-06-16 | 2016-09-21 | 常州天合光能有限公司 | Solar component adhesive tape edge sealing laminating technology and adhesive tape edge sealing tool thereof |
| CN105957911B (en) * | 2016-06-16 | 2018-01-09 | 常州天合光能有限公司 | Solar components adhesive tape edge sealing laminating technology and its adhesive tape edge sealing instrument |
| CN106129148A (en) * | 2016-06-24 | 2016-11-16 | 珠海格力电器股份有限公司 | Photovoltaic module and packaging technology thereof |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 201203, Shanghai, Pudong New Area, 3000 East long avenue, 1 hi tech Development Zone,, Hong Kong building, room No. Patentee after: SHANGHAI HIUV NEW MATERIALS Co.,Ltd. Address before: 201203 Pudong New Area East long avenue, No. 3000 Zhang Jiang hi tech Development Zone, Hong Kong, building, block 909B, Shanghai Patentee before: SHANGHAI HIUV ELECTRONIC TECHNOLOGY Co.,Ltd. |
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| CX01 | Expiry of patent term |
Granted publication date: 20140212 |
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| CX01 | Expiry of patent term |