CN202633343U - Lightweight photovoltaic assembly - Google Patents
Lightweight photovoltaic assembly Download PDFInfo
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- CN202633343U CN202633343U CN 201220083187 CN201220083187U CN202633343U CN 202633343 U CN202633343 U CN 202633343U CN 201220083187 CN201220083187 CN 201220083187 CN 201220083187 U CN201220083187 U CN 201220083187U CN 202633343 U CN202633343 U CN 202633343U
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- Prior art keywords
- photovoltaic module
- photovoltaic assembly
- utility
- etfe film
- light
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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 lightweight photovoltaic assembly. A substrate of a bottom liner of the lightweight photovoltaic assembly is a hollow glass fiber composite substrate. The light-transmitting material of the lightweight photovoltaic assembly is an ETFE film. The hollow glass fiber composite substrate is formed by weaving glass fibers directly and soaking in epoxy glue for hardening. The weight of the hollow glass fiber composite substrate is six percents of glass material in the same size. And the hollow glass fiber composite substrate has good mechanical performance. The lightweight photovoltaic assembly provided by the utility model also adopts the ETFE film as the light-transmitting material. Compared with ultra-white toughened glass and coated glass used in the prior art, the quality of the ETFE film is only one percent of glass in the same size. The light-transmitting rate of the ETFE film is as high as 95 percents, thereby meeting requirements of the lightweight photovoltaic assembly. According to the utility model, by adopting the hollow glass fiber composite substrate as the substrate of the bottom liner and adopting the ETFE film as the light-transmitting material, the weight of the lightweight photovoltaic assembly is reduced effectively under a premise of guaranteeing the structural strength of the lightweight photovoltaic assembly.
Description
Technical field
The utility model relates to the photovoltaic module technical field, more particularly, relates to a kind of light-weighted photovoltaic module.
Background technology
Solar power generation is a kind of regenerative resource of cleaning, and under the exhausted day by day background of traditional energy, solar power generation more and more comes to receive more people's favor.
Photovoltaic module (being commonly called as solar panel) is a kind of common solar power plant, is to get through the solar battery sheet encapsulation with some series connection.For many years; In the photovoltaic module manufacturing; Continuing always and using the end liner baseplate material of glass, and adopting the traditional processing technology of EVA (ethylene-vinyl acetate copolymer)/PVB glued membrane heat lamination applying light transmissive material, battery sheet and end liner substrates such as (polyvinyl butyral resins) as light transmissive material and support cells sheet.As shown in Figure 1; In the conventional photovoltaic module that traditional handicraft is produced, be respectively end liner substrate 1, an EVA film 2, battery sheet 3, the 2nd EVA film 4 and light transmissive material 5 from bottom to top, wherein; End liner substrate 1 is a glass, and light transmissive material 5 is ultrawhite toughened glass or coated glass.Surfacing, intensity are high because glass has, long service life, after the lamination encapsulation, have the good surface appearance evenness with the photovoltaic module of this technology manufacturing, and photovoltaic module can use in that different environmental conditions is medium-term and long-term simultaneously.
But; Because the proportion of glass is generally between 2.2-2.7; Simultaneously, glass material need possess certain thickness to guarantee its working strength and impact resistance, and the conventional photovoltaic module weight of therefore being produced with traditional handicraft is bigger; Wherein, light transmissive material and the employed weight of glass of end liner substrate account for about 80% of photovoltaic module total weight.In special dimensions such as Aero-Space, military equipment, photovoltaic module has been proposed user demands such as in light weight, shock-resistant, that the life-span is long, the conventional photovoltaic module that obviously adopts traditional handicraft to produce can't satisfy these demands.
By the above, how a kind of light-weighted photovoltaic module is provided, to be implemented in the purpose that alleviates its bulk density under the prerequisite that guarantees photovoltaic module structure intensity, become the technical problem that those skilled in the art need solution badly.
The utility model content
In view of this, the utility model provides a kind of light-weighted photovoltaic module, to be implemented in the purpose that alleviates its bulk density under the prerequisite that guarantees photovoltaic module structure intensity.
For realizing above-mentioned purpose, the utility model provides following technical scheme:
A kind of light-weighted photovoltaic module, the end liner substrate of this photovoltaic module are hollow glass composite base plate, and the light transmissive material of photovoltaic module is the ETFE film.
Preferably, in above-mentioned photovoltaic module, the thickness of ETFE film is 50 microns to 100 microns.
Preferably, in above-mentioned photovoltaic module, the ETFE film of ETFE film for handling through single-side embossing.
The utility model provides a kind of light-weighted photovoltaic module, and the end liner substrate of this photovoltaic module is a hollow glass composite base plate, and the light transmissive material of this photovoltaic module is ETFE film (an ethylene-tetrafluoroethylene copolymer film).Compare with the glass end liner substrate that uses in the prior art; Used hollow glass composite base plate as the end liner substrate in the photovoltaic module that the utility model provided, the weight of hollow glass composite base plate is with 6% of volume glass material, simultaneously; Owing to adopt with moulding of glass fiber direct organization and the sclerosis of epoxy resin dipping glue; Hollow glass composite base plate has the good mechanical performance, and not yielding, anti-twist, not easy to crack and fracture is when the load that receives perpendicular to material surface; The solid slab of its bending stiffness and same material, stack pile is very nearly the same, but its weight alleviates greatly.The photovoltaic module that the utility model provided has also used the ETFT film as light transmissive material; Compare with the ultrawhite toughened glass or the coated glass that use in the prior art; The quality of ETFT film has only with 1% of homalographic glass quality; Simultaneously, the light transmittance of ETFT film can reach 95%, can satisfy the requirement of photovoltaic module to light transmittance.
By the above, the photovoltaic module that the utility model provided through using hollow glass composite base plate as the end liner substrate, uses the ETFE film to be light transmissive material, under the prerequisite that guarantees photovoltaic module structure intensity, has effectively alleviated the weight of photovoltaic module.
The utility model also provides a kind of photovoltaic module, in this photovoltaic module, uses hollow glass composite base plate as the end liner substrate, by the above, compares with the photovoltaic module that uses glass end liner substrate, and the photovoltaic module weight that the utility model provided is lighter.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiment of the utility model, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of photovoltaic module in the prior art;
The structural representation of the light-weighted photovoltaic module that Fig. 2 is provided for the utility model embodiment.
Embodiment
To combine the accompanying drawing among the utility model embodiment below, the technical scheme among the utility model embodiment is carried out clear, intactly description, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
The utility model embodiment discloses a kind of light-weighted photovoltaic module, to be implemented in the purpose that alleviates its bulk density under the prerequisite that guarantees photovoltaic module structure intensity.
Photovoltaic module as shown in Figure 2, that the utility model provided, this photovoltaic module comprise hollow glass composite base plate 21, following EVA film 22, battery sheet 23, go up EVA film 24 and ETFE film 25.Wherein, Hollow glass composite base plate 21 is arranged on the bottom of photovoltaic module as the end liner substrate; On hollow glass composite base plate 21, be laid with EVA film 22 down, the battery sheet 23 that welding is good is placed in down on the EVA film 22, simultaneously; On battery sheet 23, also be laid with EVA film 24 on one deck, the be laid in top layer of photovoltaic module of ETFE film 25.
In the photovoltaic module that the utility model embodiment is provided, adopted hollow glass composite base plate as the end liner substrate.Hollow glass composite base plate is a polymer composite, is epoxy resin dipping glue hardened forming after the moulding of glass fiber direct organization is got.The inside of hollow glass composite base plate is netted hollow-core construction; Make its weight be merely with 6% of volume glass material, simultaneously, hollow glass composite base plate also has the good mechanical performance; Not yielding, anti-twist, not easy to crack and the fracture; When the load that receives perpendicular to material surface, the solid slab of its bending stiffness and same material, stack pile is very nearly the same, but its weight alleviates greatly.In the photovoltaic module that the utility model embodiment is provided, also adopt the ETFT film as light transmissive material.The Chinese of ETFT film is the ethylene-tetrafluoroethylene copolymer film; The thickness of ETFT film is usually less than 200 microns, and the quality of every square metre of ETFE film has only 0.15 kilogram-0.35 kilogram, compares with employed ultrawhite toughened glass or coated glass in the prior art; The quality of ETFT film has only with 1% of homalographic glass quality; Simultaneously, the light transmittance of ETFT film can reach 95%, can satisfy the requirement of photovoltaic module to light transmittance.
By the above, the photovoltaic module that the utility model provided through using hollow glass composite base plate as the end liner substrate, uses the ETFE film to be light transmissive material, under the prerequisite that guarantees photovoltaic module structure intensity, has effectively alleviated the weight of photovoltaic module.
Preferably, in the photovoltaic module that the foregoing description provided, the thickness of ETFE film is 50 microns to 100 microns.
Preferably, in the photovoltaic module that the foregoing description provided, the ETFE film has passed through the single-side embossing processing.
On the basis of the foregoing description, the utility model also provides another kind of photovoltaic module, in this photovoltaic module, uses hollow glass composite base plate as the end liner substrate, and still adopts ultrawhite toughened glass or coated glass as light transmissive material.
By the above, to compare with the photovoltaic module that uses glass end liner substrate in the prior art, the photovoltaic module weight that the utility model provided is lighter.
Each embodiment adopts the mode of going forward one by one to describe in this specification, and what each embodiment stressed all is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined General Principle can realize under the situation of spirit that does not break away from the utility model or scope in other embodiments among this paper.Therefore, the utility model will can not be restricted to these embodiment shown in this paper, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (4)
1. a light-weighted photovoltaic module is characterized in that, the end liner substrate of said photovoltaic module is a hollow glass composite base plate.
2. photovoltaic module according to claim 1 is characterized in that, the light transmissive material of said photovoltaic module is the ETFE film.
3. photovoltaic module according to claim 2 is characterized in that, the thickness of said ETFE film is 50 microns to 100 microns.
4. photovoltaic module according to claim 3 is characterized in that, the ETFE film of said ETFE film for handling through single-side embossing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220083187 CN202633343U (en) | 2012-03-07 | 2012-03-07 | Lightweight photovoltaic assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220083187 CN202633343U (en) | 2012-03-07 | 2012-03-07 | Lightweight photovoltaic assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202633343U true CN202633343U (en) | 2012-12-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220083187 Expired - Lifetime CN202633343U (en) | 2012-03-07 | 2012-03-07 | Lightweight photovoltaic assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202633343U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103633173A (en) * | 2013-08-23 | 2014-03-12 | 友达光电股份有限公司 | solar panel |
| CN112117341A (en) * | 2020-09-08 | 2020-12-22 | 丽瀑光能（常熟）有限公司 | Frameless FRP half-piece photovoltaic assembly and production process thereof |
-
2012
- 2012-03-07 CN CN 201220083187 patent/CN202633343U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103633173A (en) * | 2013-08-23 | 2014-03-12 | 友达光电股份有限公司 | solar panel |
| CN103633173B (en) * | 2013-08-23 | 2016-05-25 | 友达光电股份有限公司 | solar panel |
| CN112117341A (en) * | 2020-09-08 | 2020-12-22 | 丽瀑光能（常熟）有限公司 | Frameless FRP half-piece photovoltaic assembly and production process thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121226 |
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| CX01 | Expiry of patent term |