CN218548444U - Light fireproof photovoltaic module and photovoltaic power generation system - Google Patents
Light fireproof photovoltaic module and photovoltaic power generation system Download PDFInfo
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- CN218548444U CN218548444U CN202221653031.3U CN202221653031U CN218548444U CN 218548444 U CN218548444 U CN 218548444U CN 202221653031 U CN202221653031 U CN 202221653031U CN 218548444 U CN218548444 U CN 218548444U
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/10—Photovoltaic [PV]
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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 light fire prevention photovoltaic module and photovoltaic power generation system relates to the photovoltaic technology field, include: the fluorine-containing thin film layer is bonded with the light structure layer through a first adhesive film layer; the light structure layer is bonded with the battery layer through a second adhesive film layer; the battery layer is bonded with the back plate layer through a third adhesive film layer; wherein, the light structural layer is made of PC material; the fireproof barrier layer is bonded with the back plate layer through a self-adhesive material; one side of the fireproof barrier layer, which is far away from the back plate layer, is made of a high-flame-retardant glass fiber resin plate material. The utility model discloses effectually form the fire prevention separation between photovoltaic module and building surface. The adverse effects on the manufacturing process, the manufacturing mode, the cost, the performance and the like of the photovoltaic assembly are avoided. The front panel is guaranteed to have excellent light transmission performance, the flexible light photovoltaic module is endowed with excellent impact resistance, and the application range of the photovoltaic module is expanded excellently.
Description
Technical Field
The utility model relates to a photovoltaic technology field, especially a light fire prevention photovoltaic module and photovoltaic power generation system.
Background
The photovoltaic module is the core part of photovoltaic power generation system, and its effect is the electric energy with light energy conversion, because traditional photovoltaic module adopts toughened glass as surface packaging material, toughened glass hardness is high, so traditional photovoltaic module exists not have flexibility, inflexible shortcoming, can't laminate and install on curved surface object, and glass thickness generally is more than 3.2mm simultaneously, leads to the weight of photovoltaic module itself to reach 12 kg/square meter, and the demand of lightly installing can't be satisfied to subassembly weight.
Meanwhile, when the photovoltaic module is installed on the surfaces of buildings such as roofs, higher requirements are provided for the fireproof capacity of the photovoltaic module, and the fireproof requirement of the building roofs cannot be met due to the fact that the flame retardant capacity of the adopted high polymer materials of the existing common light photovoltaic module is insufficient.
In some technologies, the internal structure of the photovoltaic assembly is changed and fireproof materials are added, so that the aim of fire prevention is achieved. However, such technical changes adversely affect the manufacturing process, the manufacturing method, the cost, the performance, and the like of the photovoltaic module.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention has been made to provide a light weight fireproof photovoltaic module and a photovoltaic power generation system that overcome or at least partially solve the above problems.
In a first aspect, a lightweight fire-resistant photovoltaic module is provided, comprising: the laminated solar battery comprises a fluorine-containing thin film layer, a first adhesive film layer, a light structural layer, a second adhesive film layer, a battery layer, a third adhesive film layer, a back plate layer and a fireproof blocking layer which are sequentially laminated;
the fluorine-containing thin film layer is bonded with the light structural layer through the first adhesive film layer;
the light structure layer is bonded with the battery layer through the second adhesive film layer;
the battery layer is bonded with the back plate layer through the third adhesive film layer;
wherein, the light structural layer is made of PC material;
the fire barrier layer includes: self-adhesive glue material and high flame-retardant glass fiber resin plate material;
the fireproof barrier layer is bonded with the back plate layer through the self-adhesive material;
one side of the fireproof barrier layer, which is far away from the back plate layer, is made of the high-flame-retardant glass fiber resin plate material.
Optionally, the self-adhesive material is butyl rubber, modified asphalt or a hot-melt self-adhesive material;
the high-flame-retardant glass fiber resin plate material is an epoxy resin glass fiber or phenolic resin glass fiber material.
Optionally, the PC material is a pure PC resin material or a PC alloy material;
the PC alloy material comprises: PC/PET, PC/PBT and PC glass fiber toughening alloy materials.
Optionally, the fluorine-containing thin film layer is a single-layer thin film material of ETFE, PVF or PVDF.
Optionally, the fluorine-containing thin film layer is a multilayer composite structure of a fluorine film, PET and a fluorine-containing coating;
and the fluorine film and the PET are bonded and compounded by adopting an adhesive.
Optionally, the fluorine-containing thin film layer is a fluorine-containing composite thin film layer, and the fluorine-containing composite thin film layer is a multilayer composite film structure of ETFE + PET + fluorine-containing coating.
Optionally, the first adhesive film layer, the second adhesive film layer and the third adhesive film layer are hot melt adhesives;
POE, EVA or PVB materials can be selected for the first adhesive film layer, the second adhesive film layer and the third adhesive film layer.
Optionally, the fireproof barrier layer is made of the butyl rubber self-adhesive material plus the epoxy resin glass fiber material.
In a second aspect, a photovoltaic power generation system is provided, which comprises the light fireproof photovoltaic module according to any one of the first aspect.
The embodiment of the application has the following advantages:
the utility model discloses in, increase one deck fire prevention barrier layer in current photovoltaic module's the backplate layer outside, it adopts the fine resin plate material of high flame retardant glass, can effectually form the fire prevention separation between photovoltaic module and building surface when the conflagration breaing out, guarantees the safety of building. And the design structure of the fireproof blocking layer does not change the internal structure of the photovoltaic assembly, so that adverse effects on the manufacturing process, the manufacturing mode, the cost, the performance and the like of the photovoltaic assembly are avoided.
In addition, the light-weight structure layer is made of the high-light-transmission impact-resistant PC material, the material has excellent performances such as high light transmission and high impact resistance, and the problem that the existing flexible light-weight photovoltaic module is insufficient in impact resistance is effectively solved. The flexible light photovoltaic module is endowed with excellent impact resistance while the front panel is ensured to have excellent light transmission performance. And the weight of the photovoltaic module is reduced to about 4kg per square meter, and is reduced by 60 percent compared with the weight of a glass module, so that the application range of the photovoltaic module is greatly expanded.
Drawings
Various additional advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 is the utility model discloses light fire prevention photovoltaic module's of embodiment structural schematic diagram.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description. It should be understood that the specific embodiments described herein are merely illustrative of the present invention, and are not intended to limit the present invention.
The utility model discloses light fire prevention photovoltaic module includes: the laminated fluorine-containing film layer, the first adhesive film layer, the light structural layer, the second adhesive film layer, the battery layer, the third adhesive film layer, the back plate layer and the fireproof blocking layer are sequentially laminated. The fluorine-containing thin film layer and the light structure layer are bonded through the first adhesive film layer, wherein the light structure layer is made of a PC material.
The light structure layer is bonded with the battery layer through a second adhesive film layer; the battery layer is bonded with the back plate layer through a third adhesive film layer; the fire barrier layer includes: self-adhesive glue material and high flame-retardant glass fiber resin plate material; the fireproof blocking layer is bonded with the back plate layer through a self-adhesive material; one side of the fireproof barrier layer, which is far away from the back plate layer, is made of a high-flame-retardant glass fiber resin plate material.
Referring to fig. 1, the exemplary structure schematic diagram that shows light fire prevention photovoltaic module of the embodiment of the present invention. The figure 1 includes: fluorine-containing film layer 1, first glued membrane layer 2, light structural layer 3, second glued membrane layer 4, battery layer 5, third glued membrane layer 6, backsheet layer 7 and fire barrier layer 8.
The embodiment of the utility model provides an in, fluorine-containing thin layer 1 is because the excellent performance of material fluorine atom itself, have bigger chemical bonding force and structural stability than other any polymer, this layer of material can select to be ETFE (ethylene-tetrafluoroethylene copolymer), PVF (polyvinyl fluoride), the individual layer film material of transparent high resistant time fluorine membrane material such as PVDF (polyvinylidene fluoride), also can be for fluorine membrane + PET (polyethylene terephthalate) + fluorine-containing coating's multilayer composite structure, if fluorine-containing thin layer 1 adopts multilayer composite structure, then can adopt the gluing agent to carry out bonding complex between fluorine membrane and the PET. One preferred choice for the fluorine-containing film layer 1 may be a fluorine-containing composite film layer, for example, preferred fluorine-containing composite film layers may be: ETFE + PET + multi-layer composite membrane structure of fluorine-containing coating.
The embodiment of the utility model provides an in, first glued membrane layer 2, second glued membrane layer 4, third glued membrane layer 6 are the hot melt adhesive, thereby this layer material can be in light fire prevention photovoltaic module's lamination in-process melting cross-linking with above-mentioned each layer material (except that fire barrier layer 8) bonding combination as an organic whole, this layer material need possess excellent high light transmittance, weatherability, materials such as optional POE (polyolefin), EVA (ethylene-vinyl acetate copolymer), PVB (polyvinyl butyral ester). One preferred option is: the first adhesive film layer 2 and the second adhesive film layer 4 are made of high-light-transmission EVA adhesive film materials, and the third adhesive film layer 6 is made of high-cutoff EVA adhesive film materials.
The embodiment of the utility model provides an in, light structural layer 3 adopts PC (polycarbonate) material, and the PC material possesses higher intensity, high impact resistance, high light transmission performance, can select pure PC resin material or PC alloy material. The PC alloy material comprises: PC/PET, PC/PBT, PC glass fiber toughening alloy material. A high-transparency alloy material with PC + PBT is preferably selected.
The embodiment of the utility model provides an in, battery layer 5 is light fire prevention photovoltaic module's core power generation unit, and this layer can be compatible at present conventional single crystal, polycrystal battery piece, preferred single crystal battery piece.
The embodiment of the utility model provides an in, the material of backplate layer 7 needs to possess good electrical insulation, weather resistance, consequently can choose for use the backplate materials of TPC, KPC, TPO, KPO, CPC, various structure types such as intensive PET, the backplate material of preferred TPC structure type.
In the embodiment of the utility model, the self-adhesive material of the fireproof blocking layer 8 is butyl rubber, modified asphalt or hot-melt self-adhesive material; the high flame retardant glass fiber resin plate material of the fireproof barrier layer 8 is epoxy resin glass fiber or phenolic resin glass fiber material. One preferred option is that the fire barrier layer 8 is made of butyl rubber self-adhesive material and epoxy resin fiberglass material.
The embodiment of the utility model provides an in, based on the structure that above-mentioned light fire prevention photovoltaic hinders piece, provide a method of making this light fire prevention photovoltaic hinders piece, this method includes:
firstly, sequentially laminating 7 layers of a fluorine-containing thin film layer 1, a first adhesive film layer 2, a light structural layer 3, a second adhesive film layer 4, a battery layer 5, a third adhesive film layer 6 and a back plate layer 7 to form the light fireproof photovoltaic module to be laminated.
Placing the light fireproof photovoltaic module to be laminated into a laminating machine for lamination, wherein the lamination parameters are set as follows: the laminating temperature range is 100-150 ℃, and 125-145 ℃ is selected. In the vacuumizing stage, after the light fireproof photovoltaic module to be laminated, which is laid and laminated, enters the inner cavity of the laminating machine, vacuumizing is performed for 240-800S, and the vacuum degree is 5-25 Pa.
After the vacuum pumping is finished, pressurizing: in the first pressurizing stage, a laminating machine pressurizes the light fireproof photovoltaic module, wherein the pressure is 35-60 (-kPa), and the pressurizing time is 120-240S; the second pressurizing stage, the laminating machine continuously pressurizes the light fireproof photovoltaic module, the pressure is 60-85 (-kPa), and the pressurizing time is 120-240S; and in the third pressurizing stage, the laminating machine continuously pressurizes the light fireproof photovoltaic module, wherein the pressure is 85-100 (-kPa), and the pressurizing time is 120-900S.
After the pressurization is completed, cooling is required: in the cooling stage, the pressed light fireproof photovoltaic module is conveyed to a cold pressing area through a conveyor belt to be cooled, the cold pressing time is 300-600S, the cold pressing pressure is 30-100 kPa, and the cold pressing temperature is 15-40 ℃.
After the light fireproof photovoltaic module is cooled, the procedures of trimming, junction box installation, performance test and the like are carried out, and finally the fireproof blocking layer 8 is pasted on the back plate layer 7 of the light fireproof photovoltaic module. Fireproof barrier layer 8 is outmost as whole light fire prevention photovoltaic module, compares in the photovoltaic module's that adds the fireproof material and form structure in changing the inner structure of photovoltaic module, the fire prevention demand on reply building surface that can be better.
In addition, the light structure layer 3 is made of a high-light-transmission impact-resistant PC material, and the material has excellent performances such as high light transmission, high impact resistance and the like, and comprehensive fireproof performance, so that the light fireproof photovoltaic module has the excellent performances of light weight, flexibility, impact resistance, blocking and fire prevention, and is obviously superior to the existing flexible light photovoltaic module.
Based on above-mentioned light fire prevention photovoltaic module, the embodiment of the utility model provides a still provides a photovoltaic power generation system, photovoltaic power generation system includes as above arbitrary light fire prevention photovoltaic module.
Through the embodiment, the utility model discloses a light fire prevention photovoltaic module increases one deck fire prevention barrier layer in current photovoltaic module's the backsheet layer outside, and it adopts the fine resin plate material of high fire-retardant glass, can effectually form the fire prevention separation between photovoltaic module and building surface when the conflagration breaing out, guarantees the safety of building. And the design structure of the fireproof blocking layer does not change the internal structure of the photovoltaic assembly, so that adverse effects on the manufacturing process, the manufacturing mode, the cost, the performance and the like of the photovoltaic assembly are avoided.
In addition, the light-weight structure layer is made of the high-light-transmission impact-resistant PC material, the material has excellent performances such as high light transmission and high impact resistance, and the problem that the existing flexible light-weight photovoltaic module is insufficient in impact resistance is effectively solved. The flexible light photovoltaic module is endowed with excellent impact resistance while the front panel is ensured to have excellent light transmission performance. And the weight of the photovoltaic module is reduced to about 4kg per square meter, and the weight of the photovoltaic module is reduced by 60 percent compared with the weight of a glass module, so that the application range of the photovoltaic module is greatly expanded.
While preferred embodiments of the present invention have been described, additional variations and modifications of these embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiment and all alterations and modifications that fall within the scope of the embodiments of the invention.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, an element defined by the phrases "comprising one of 8230; \8230;" 8230; "does not exclude the presence of additional like elements in a process, method, article, or terminal device that comprises the element.
The technical solutions provided by the embodiments of the present invention are introduced in detail, and the principles and embodiments of the present invention are explained by using specific examples, and the descriptions of the above embodiments are only used to help understand the methods and core ideas of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.
Claims (9)
1. The utility model provides a light fire prevention photovoltaic module which characterized in that, light fire prevention photovoltaic module includes: the fireproof solar cell comprises a fluorine-containing thin film layer, a first adhesive film layer, a light structural layer, a second adhesive film layer, a cell layer, a third adhesive film layer, a back plate layer and a fireproof blocking layer which are sequentially stacked;
the fluorine-containing thin film layer is bonded with the light structural layer through the first adhesive film layer;
the light structure layer is bonded with the battery layer through the second adhesive film layer;
the battery layer is bonded with the back plate layer through the third adhesive film layer;
wherein the light structural layer is made of PC material;
the fire barrier layer includes: self-adhesive glue material and high flame-retardant glass fiber resin plate material;
the fireproof barrier layer is bonded with the back plate layer through the self-adhesive material;
one side of the fireproof barrier layer, which is far away from the back plate layer, is made of the high-flame-retardant glass fiber resin plate material.
2. The lightweight fire-protected photovoltaic module according to claim 1, wherein the self-adhesive material is butyl rubber, modified asphalt, or a hot melt self-adhesive material;
the high-flame-retardant glass fiber resin plate material is an epoxy resin glass fiber or phenolic resin glass fiber material.
3. The lightweight fire-resistant photovoltaic module of claim 1, wherein the PC material is a pure PC resin material or a PC alloy material;
the PC alloy material comprises: PC/PET, PC/PBT, PC glass fiber toughening alloy material.
4. The lightweight fire-protected photovoltaic module of claim 1, wherein said fluorine-containing film layer is a single layer film material of ETFE, PVF, or PVDF.
5. The lightweight fire-retardant photovoltaic module according to claim 4, wherein the fluorine-containing thin film layer is a multi-layer composite structure formed by bonding a fluorine film and PET with a fluorine-containing coating;
and the fluorine film and the PET are bonded and compounded by adopting an adhesive.
6. The light-weight fireproof photovoltaic module according to claim 5, wherein the fluorine-containing thin film layer is a fluorine-containing composite thin film layer, and the fluorine-containing composite thin film layer is a multilayer composite film structure formed by bonding ETFE (ethylene-propylene-diene monomer) and PET (polyethylene terephthalate) with a fluorine-containing coating.
7. The lightweight fire-proof photovoltaic module of claim 1, wherein the first adhesive film layer, the second adhesive film layer, and the third adhesive film layer are all hot melt adhesives;
the first adhesive film layer, the second adhesive film layer and the third adhesive film layer can be made of POE, EVA or PVB materials.
8. The lightweight fireproof photovoltaic module of claim 2, wherein the fireproof barrier layer is formed by bonding the butyl rubber self-adhesive material and the epoxy resin fiberglass material.
9. A photovoltaic power generation system comprising the lightweight fire-rated photovoltaic module of any one of claims 1-8.
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| CN202221653031.3U CN218548444U (en) | 2022-06-29 | 2022-06-29 | Light fireproof photovoltaic module and photovoltaic power generation system |
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| CN202221653031.3U CN218548444U (en) | 2022-06-29 | 2022-06-29 | Light fireproof photovoltaic module and photovoltaic power generation system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116190477A (en) * | 2023-04-17 | 2023-05-30 | 晶科能源(海宁)有限公司 | Ultraviolet-resistant photovoltaic module |
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- 2022-06-29 CN CN202221653031.3U patent/CN218548444U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116190477A (en) * | 2023-04-17 | 2023-05-30 | 晶科能源(海宁)有限公司 | Ultraviolet-resistant photovoltaic module |
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