CN217562583U - Flexible photovoltaic device adopting flame-retardant packaging - Google Patents
Flexible photovoltaic device adopting flame-retardant packaging Download PDFInfo
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- CN217562583U CN217562583U CN202221532076.5U CN202221532076U CN217562583U CN 217562583 U CN217562583 U CN 217562583U CN 202221532076 U CN202221532076 U CN 202221532076U CN 217562583 U CN217562583 U CN 217562583U
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- layer
- retardant
- flame
- metal foil
- photovoltaic device
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- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 title claims abstract description 82
- 238000004806 packaging method and process Methods 0.000 title claims abstract description 46
- 239000003063 flame retardant Substances 0.000 title claims abstract description 43
- 239000011888 foil Substances 0.000 claims abstract description 50
- 229910052751 metal Inorganic materials 0.000 claims abstract description 43
- 239000002184 metal Substances 0.000 claims abstract description 43
- 238000005538 encapsulation Methods 0.000 claims abstract description 14
- 239000010410 layer Substances 0.000 claims description 121
- 239000004642 Polyimide Substances 0.000 claims description 34
- 229920001721 polyimide Polymers 0.000 claims description 34
- 239000000463 material Substances 0.000 claims description 25
- 239000012790 adhesive layer Substances 0.000 claims description 17
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 16
- 239000011889 copper foil Substances 0.000 claims description 16
- 239000005022 packaging material Substances 0.000 claims description 14
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 9
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 9
- 238000005187 foaming Methods 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- -1 polyethylene terephthalate Polymers 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 230000002265 prevention Effects 0.000 abstract description 3
- 239000002131 composite material Substances 0.000 description 22
- 239000003292 glue Substances 0.000 description 11
- 239000008393 encapsulating agent Substances 0.000 description 10
- 239000005341 toughened glass Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 4
- 239000002033 PVDF binder Substances 0.000 description 3
- 238000003475 lamination Methods 0.000 description 3
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 229920001780 ECTFE Polymers 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 229920000840 ethylene tetrafluoroethylene copolymer Polymers 0.000 description 1
- 230000009969 flowable effect Effects 0.000 description 1
- 239000006261 foam material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
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
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- Photovoltaic Devices (AREA)
- Laminated Bodies (AREA)
Abstract
The utility model relates to a flexible photovoltaic device adopting flame retardant packaging, which comprises a flexible solar battery component, a first packaging structure arranged on the light receiving surface of the flexible solar battery component and a second packaging structure arranged on the backlight surface of the flexible solar battery component; the second packaging structure comprises a flame-retardant unit which partially or completely covers the backlight surface of the flexible solar cell module; the flame-retardant unit comprises at least one layer of fireproof flame-retardant organic film layer and at least one layer of metal foil layer. An object of the utility model is to provide an adopt fire-retardant encapsulation's flexible photovoltaic device solves the poor problem of flexible solar cell fire prevention fire resistance.
Description
Technical Field
The utility model relates to an adopt fire-retardant encapsulation's flexible photovoltaic device.
Background
The fireproof design is a fundamental measure for preventing fire hazard, and is one of research and development cores if the application range of the flexible solar cell in products such as building materials or portable equipment is to be improved.
Disclosure of Invention
An object of the utility model is to provide an adopt fire-retardant encapsulation's flexible photovoltaic device solves the poor problem of flexible solar cell fire prevention fire resistance.
The purpose of the utility model is realized through the following technical scheme:
a flexible photovoltaic device adopting flame retardant packaging comprises a flexible solar cell module, a first packaging structure arranged on the light receiving surface of the flexible solar cell module and a second packaging structure arranged on the backlight surface of the flexible solar cell module; the second packaging structure comprises a flame-retardant unit which partially or completely covers the backlight surface of the flexible solar cell module; the flame-retardant unit comprises at least one layer of fireproof flame-retardant organic film layer and at least one layer of metal foil layer.
Compare prior art, the utility model has the advantages of:
(1) Add fire-retardant unit in current flexible photovoltaic module's packaging structure, utilize fire-retardant unit effectively to strengthen flexible photovoltaic module's functions such as fire prevention, waterproof vapour, can strengthen the protection to the photovoltaic chip when flexible photovoltaic module buckles, increase flexible photovoltaic module and convolute or folding number of times, effectively prolong flexible photovoltaic module's life-span.
(2) Through set up insulating rete on the metal foil layer surface at fire-retardant unit, make fire-retardant unit can further avoid the risk of photovoltaic chip and the electrically conductive short circuit of metal foil layer.
(4) Through set up the foaming packaging layer in packaging structure, can further cushion flexible photovoltaic module and receive external impact force, better protection photovoltaic chip.
(5) According to international standard IEC61730 photovoltaic module safety identification's experimental standard right the utility model provides a flexible photovoltaic module fires the piece experiment, and the experimental result shows: after the fuel block completely burns, the subassembly is not ignited, also does not have the combustible substance to drip, explains the utility model provides a flexible photovoltaic module can satisfy IEC61730 international standard through the fuel block experiment.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the flame retardant unit of the present invention;
fig. 2 is a schematic structural view of an embodiment of the flame retardant unit of the present invention;
FIG. 3 is a schematic structural diagram of an embodiment of the flame retardant unit of the present invention;
FIG. 4 is a schematic structural diagram of an embodiment of the flame retardant unit of the present invention;
fig. 5 is a schematic cross-sectional view of an embodiment of the flexible photovoltaic module according to the present invention;
fig. 6 is a schematic cross-sectional view of an embodiment of the flexible photovoltaic module according to the present invention;
fig. 7 is a schematic cross-sectional view of an embodiment of the flexible photovoltaic module according to the present invention;
fig. 8 is a schematic cross-sectional view of an embodiment of the flexible photovoltaic module according to the present invention;
fig. 9 is a schematic cross-sectional view of an embodiment of the flexible photovoltaic module according to the present invention;
fig. 10 is a schematic cross-sectional view of an embodiment of the flexible photovoltaic module according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
A flexible photovoltaic device adopting flame retardant packaging comprises a flexible solar cell module, a first packaging structure arranged on the light receiving surface of the flexible solar cell module and a second packaging structure arranged on the backlight surface of the flexible solar cell module; the second packaging structure comprises a flame-retardant unit which partially or completely covers the backlight surface of the flexible solar cell module; the flame-retardant unit comprises at least one layer of fireproof flame-retardant organic film layer and at least one layer of metal foil layer.
The second packaging structure further comprises a second packaging material layer and a second hard material layer, or further comprises a second packaging material layer, a second hard material layer and a back plate; when the second packaging structure is not provided with the back plate, the flame-retardant unit is arranged on the outermost layer to form the back plate, or the flame-retardant unit and the second hard material layer are combined to form the back plate.
The second packaging structure further comprises a second foaming packaging layer arranged below the second hard material layer.
The fireproof flame-retardant organic film layer is polyimide or polyethylene terephthalate; the metal foil layer is a copper foil, an aluminum foil or a stainless steel foil.
The flame-retardant unit further comprises a first adhesive layer arranged between the metal foil layer and the fireproof flame-retardant organic film layer.
The flame-retardant unit comprises a metal foil layer and a fireproof flame-retardant organic film layer A arranged on the lower side of the metal foil layer.
And a fireproof flame-retardant organic film layer B is arranged on the upper side of the metal foil layer.
In a preferred scheme, an insulating glue layer is arranged on the upper side of the metal foil layer.
In a preferable scheme, an insulating film layer is arranged on the upper side of the metal foil layer. And a second adhesive layer is arranged between the metal foil layer and the insulating film layer.
As shown in fig. 1, one flame retardant unit is a double-sided PI copper foil composite film, which sequentially comprises a fireproof flame retardant organic film layer A3-1, a first adhesive layer 4-1, a metal foil layer 5, a second adhesive layer 4-2, and a fireproof flame retardant organic film layer B3-2.
As shown in fig. 2, one flame retardant unit is a double-sided PI copper foil composite film, which sequentially comprises a fireproof flame retardant organic film layer A3-1, a first adhesive layer 4-1, a metal foil layer 5, a second adhesive layer 4-2, and an insulating film layer 6.
As shown in fig. 3, one flame retardant unit is a single-sided PI copper foil composite film, which sequentially comprises a fireproof flame retardant organic film layer A3-1, a first adhesive layer 4-1, and a metal foil layer 5.
As shown in fig. 4, one flame retardant unit is a single-sided PI copper foil composite film, which sequentially comprises an insulating adhesive layer 7, a metal foil layer 5, a first adhesive layer 4-1, and a fireproof flame retardant organic film layer A3-1.
As shown in fig. 1 to 4, the fireproof flame-retardant organic film layer A3-1 and the fireproof flame-retardant organic film layer B3-2 are Polyimide (PI) or polyethylene terephthalate (PET); the first adhesive layer 4-1 and the second adhesive layer 4-2 are AD; the metal foil layer is one of copper foil, aluminum foil, stainless steel foil or titanium foil; the insulating film layer 6 is PET; the insulating glue layer 7 is a flexible insulating film or insulating glue, the flexible insulating film is one of PI, PET, ETFE and PVDF, and the insulating glue is one of PI glue or PET glue.
A light semi-flexible photovoltaic component packaged by a flexible PI metal foil composite film comprises a first packaging structure, a photovoltaic chip connecting wire and a second packaging structure; packaging materials are arranged between the first packaging structure and the photovoltaic chip and between the photovoltaic chip and the second packaging structure; the second packaging structure is provided with a flame-retardant unit, namely a flexible PI metal foil composite film; the flexible PI metal foil composite film is laid on the whole surface or locally.
The second packaging structure comprises a flame-retardant unit, a second hard material layer and a second packaging material layer; the second package structure may further include a transparent backplane.
The flame-retardant unit is a single-sided PI metal foil composite film or a double-sided PI metal foil composite film; the single-sided PI metal foil composite film comprises a Polyimide (PI) layer, and an AD adhesive layer and a metal foil layer which are sequentially arranged on the surface of the PI layer; the double-sided PI metal foil composite film comprises a metal foil layer, and an AD adhesive layer and a PI layer which are respectively arranged on two surfaces of the metal foil layer in sequence; the single-sided PI metal foil composite film can also comprise an insulating adhesive layer arranged on the surface of the metal foil layer; the insulating glue layer is a flexible insulating film or insulating glue; the flexible insulating film is one of PI, PET or PVDF; the insulating glue is one of PI glue or PET glue. And the metal foil layers in the single-sided PI metal foil composite film and the double-sided PI metal foil composite film are one of copper foils or aluminum foils. The metal foil layer of the flame-retardant unit can face the light receiving surface, namely is close to the photovoltaic chip; and also towards the backlight surface, i.e. away from the photovoltaic chip.
The first packaging structure sequentially comprises a transparent front plate, a first packaging material layer and a first hard material layer from top to bottom.
The transparent front plate and the transparent back plate are one of PVDF or ECTFE.
The first packaging material layer and the second packaging material layer are POE, EVA, the combination of POE and EVA, or the combination of POE or/and EVA and a foaming material.
The first hard material layer and the first hard material layer are one of tempered glass and ultra-white glass.
Example 1
A light semi-flexible photovoltaic module adopting flame retardant packaging comprises a first packaging structure, a photovoltaic chip connecting wire and a second packaging structure; the second packaging structure comprises a flame-retardant unit; the flame-retardant unit is locally laid.
As shown in fig. 5, the light semi-flexible photovoltaic module sequentially comprises, from the light receiving surface to the backlight surface, a transparent front plate PVDF11, a first encapsulant layer POE21, a first hard material layer 31, a first encapsulant layer POE21, a photovoltaic chip connection line 1, a photovoltaic chip 40, a second encapsulant layer POE22, a locally laid flame-retardant unit 50, and a second hard material layer toughened glass 32, and the preparation method is completed by laying, stacking, and then laminating the light semi-flexible photovoltaic module structure layers.
Example 2
As shown in fig. 6, embodiment 2 differs from embodiment 1 only in that the second package structure further comprises a transparent backplane PVDF12. Namely, the second packaging structure sequentially comprises a second packaging material layer POE22, a locally laid flame-retardant unit PI copper foil composite film 50, a second hard material layer toughened glass 32, a second packaging material layer POE22 and a transparent back plate PVDF12.
Example 3
As shown in fig. 7, embodiment 3 differs from embodiment 1 only in that the application of the second hard material layer tempered glass 32 and the flame retardant unit PI copper foil composite film 50 in the second package structure is reversed in the front-to-back order. Namely, the second packaging structure sequentially comprises a second packaging material layer POE22, second hard material layer toughened glass 32 and a locally laid flame-retardant unit PI copper foil composite film 50.
Example 4
As shown in fig. 8, embodiment 4 differs from embodiment 2 only in that the hard material tempered glass 30 of the second package structure and the PI copper foil composite film 50 are laid back and forth in order. Namely, the second packaging structure sequentially comprises a second packaging material layer POE22, second hard material layer toughened glass 32, a locally laid flame-retardant unit PI copper foil composite film 50, the second packaging material layer POE22 and a transparent back plate PVDF12.
Example 5
As shown in fig. 9, the difference between the embodiment 5 and the embodiment 2 is the first encapsulation structure, and the first encapsulation structure of the embodiment 5 sequentially includes a transparent front plate PVDF11, a first encapsulant layer EVA and a combination 61 of POE and a foam material, a first hard material layer toughened glass 31, and a first encapsulant layer POE21.
Example 6
A light semi-flexible photovoltaic module adopting flame-retardant packaging comprises a first packaging structure, a photovoltaic chip connecting wire and a second packaging structure; the second packaging structure comprises a flame-retardant unit; the whole surface of the flame-retardant unit is laid.
As shown in fig. 10, the light semi-flexible photovoltaic module sequentially comprises, from the light receiving surface to the backlight surface, a transparent front plate PVDF11, a combination 61 of a first encapsulant layer EVA and POE and a foaming material, a first hard material layer toughened glass 31, a first encapsulant layer POE21, a photovoltaic chip connection line 1, a photovoltaic chip 40, a second encapsulant layer POE22, a second hard material layer ultra-white glass (non-toughened) 72, a combination 62 of a second encapsulant layer EVA and POE and a foaming material, and a whole-laid flame-retardant unit 50, and is prepared by laying and stacking a structure layer of the light semi-flexible photovoltaic module and then laminating the structure layer.
Example 7
Example 7 differs from example 1 only in that the flame retardant unit 50 is laid over the entire surface.
Example 8
Example 8 differs from example 2 only in that the flame-retardant unit 50 is laid over the entire surface.
Example 9
Example 9 differs from example 3 only in that the flame-retardant unit 50 is laid over the entire surface.
Example 10
Example 10 differs from example 4 only in that the flame retardant unit 50 is laid over the entire surface.
Example 11
Example 11 differs from example 5 only in that the flame-retardant unit 50 is laid over the entire surface.
Further, any of the flame retardant units shown in fig. 1-4 was used in the above examples. Fig. 5-10 are schematic diagrams of structural layers of the photovoltaic module according to the embodiments before lamination, as shown in fig. 6, before lamination, POE is flowable, during lamination, the POE flows between the photovoltaic chip 40 and the flame retardant unit PI copper foil composite film 50 to separate the photovoltaic chip 40 and the flame retardant unit PI copper foil composite film 50, and after curing, a second encapsulant layer POE22 is formed between the photovoltaic chip 40 and the flame retardant unit PI copper foil composite film 50.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides an adopt fire-retardant encapsulation's flexible photovoltaic device which characterized in that: the solar cell module comprises a flexible solar cell module, a first packaging structure arranged on a light receiving surface of the flexible solar cell module and a second packaging structure arranged on a backlight surface of the flexible solar cell module; the second packaging structure comprises a flame-retardant unit which partially or completely covers the backlight surface of the flexible solar cell module; the flame-retardant unit comprises at least one layer of fireproof flame-retardant organic film layer and at least one layer of metal foil layer.
2. The flexible photovoltaic device employing flame retardant encapsulation of claim 1, wherein: the second packaging structure further comprises a second packaging material layer and a second hard material layer, or further comprises a second packaging material layer, a second hard material layer and a back plate; when the second packaging structure is not provided with the back plate, the flame-retardant unit is arranged on the outermost layer to form the back plate, or the flame-retardant unit and the second hard material layer are combined to form the back plate.
3. The flexible photovoltaic device employing flame retardant encapsulation of claim 2, wherein: the second packaging structure further comprises a second foaming packaging layer arranged below the second hard material layer.
4. The flexible photovoltaic device employing flame retardant encapsulation of claim 1, wherein: the fireproof flame-retardant organic film layer is polyimide or polyethylene terephthalate; the metal foil layer is a copper foil, an aluminum foil or a stainless steel foil.
5. The flexible photovoltaic device encapsulated with flame retardant as claimed in any one of claims 1 to 4, wherein: the flame-retardant unit further comprises a first adhesive layer arranged between the metal foil layer and the fireproof flame-retardant organic film layer.
6. The flexible photovoltaic device employing flame retardant encapsulation according to claim 5, wherein: the flame-retardant unit comprises a metal foil layer and a fireproof flame-retardant organic film layer A arranged on the lower side of the metal foil layer.
7. The flexible photovoltaic device employing flame retardant encapsulation of claim 6, wherein: and a fireproof flame-retardant organic film layer B is arranged on the upper side of the metal foil layer.
8. The flexible photovoltaic device employing flame retardant encapsulation of claim 6, wherein: and an insulating adhesive layer is arranged on the upper side of the metal foil layer.
9. The flexible photovoltaic device employing flame retardant encapsulation according to claim 6, wherein: and an insulating film layer is arranged on the upper side of the metal foil layer.
10. The flexible photovoltaic device employing flame retardant encapsulation of claim 9, wherein: and a second adhesive layer is arranged between the metal foil layer and the insulating film layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221532076.5U CN217562583U (en) | 2022-06-17 | 2022-06-17 | Flexible photovoltaic device adopting flame-retardant packaging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221532076.5U CN217562583U (en) | 2022-06-17 | 2022-06-17 | Flexible photovoltaic device adopting flame-retardant packaging |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217562583U true CN217562583U (en) | 2022-10-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221532076.5U Active CN217562583U (en) | 2022-06-17 | 2022-06-17 | Flexible photovoltaic device adopting flame-retardant packaging |
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| Country | Link |
|---|---|
| CN (1) | CN217562583U (en) |
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2022
- 2022-06-17 CN CN202221532076.5U patent/CN217562583U/en active Active
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