CN201936904U - Solar battery pack structure capable of improving efficiency of battery - Google Patents
Solar battery pack structure capable of improving efficiency of battery Download PDFInfo
- Publication number
- CN201936904U CN201936904U CN2011200341173U CN201120034117U CN201936904U CN 201936904 U CN201936904 U CN 201936904U CN 2011200341173 U CN2011200341173 U CN 2011200341173U CN 201120034117 U CN201120034117 U CN 201120034117U CN 201936904 U CN201936904 U CN 201936904U
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- Prior art keywords
- film layer
- layer
- adhesive film
- solar
- solar cell
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 239000002313 adhesive film Substances 0.000 claims abstract description 18
- 238000002310 reflectometry Methods 0.000 claims abstract description 12
- 238000010248 power generation Methods 0.000 abstract description 2
- 239000011347 resin Substances 0.000 abstract 1
- 229920005989 resin Polymers 0.000 abstract 1
- DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical compound C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 description 20
- 239000005038 ethylene vinyl acetate Substances 0.000 description 20
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 20
- 239000012528 membrane Substances 0.000 description 13
- 239000002390 adhesive tape Substances 0.000 description 11
- 239000011521 glass Substances 0.000 description 10
- 229920002313 fluoropolymer Polymers 0.000 description 8
- 229920005644 polyethylene terephthalate glycol copolymer Polymers 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 3
- 229920000098 polyolefin Polymers 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 2
- 239000004926 polymethyl methacrylate Substances 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- -1 battery sheet Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
Images
Classifications
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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
-
- 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
- Y02E10/52—PV systems with concentrators
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- Photovoltaic Devices (AREA)
Abstract
本实用新型涉及一种提高电池效率的太阳能电池组件结构，包括至少一个太阳能电池片、上层透明胶膜层和下层反射层。上层透明胶膜层和下层反射层相互贴合，太阳能电池片相互间隔设置并分布在上层透明胶膜层和下层反射层之间。较佳地，下层高反射层在550纳米波长处的反射率大于80％，且在380纳米处紫外线遮挡率大于90％，成份主要为EVA树脂。上层透明胶膜层是透明EVA胶膜层。本实用新型的提高电池效率的太阳能电池组件结构设计巧妙，能够提高反射光线的强度和比例，从而提高阳光的利用率而提高太阳能电池组件的发电效率，且结构简洁，适于大规模推广应用。
The utility model relates to a solar cell module structure for improving cell efficiency, which comprises at least one solar cell sheet, an upper transparent adhesive film layer and a lower reflective layer. The upper transparent adhesive film layer and the lower reflective layer are attached to each other, and the solar cells are arranged at intervals and distributed between the upper transparent adhesive film layer and the lower reflective layer. Preferably, the lower high reflective layer has a reflectivity of greater than 80% at a wavelength of 550 nm, and an ultraviolet shielding rate of greater than 90% at a wavelength of 380 nm, and its main component is EVA resin. The upper transparent film layer is a transparent EVA film layer. The utility model has an ingenious structural design of the solar battery module for improving battery efficiency, which can increase the intensity and proportion of reflected light, thereby increasing the utilization rate of sunlight and improving the power generation efficiency of the solar battery module. The utility model has a simple structure and is suitable for large-scale popularization and application.
Description
Technical field
The utility model relates to the battery technology field, and particularly technical field of solar batteries specifically is a kind of solar module structure that improves battery efficiency.
Background technology
Utilizing solar power generation is one of present most important green energy resource, and it has utilized the photovoltaic effect of some materials, through the sunlight excitation electron, and reaches the effect of generating by collecting electronics.Solar module is a part the most key in the solar power system, can begin generating after assembly is sunlighted.The electricity conversion of battery sheet and battery sheet are irradiated to the efficient that what and solar components of sunlight generate electricity in the assembly positively related relation.The utilance that how to improve sunlight is one of means that improve solar module efficient.
Conventional solar module is photovoltaic glass, EVA (ethylene-vinyl acetate) glued membrane, battery sheet, EVA glued membrane, backboard from top to bottom successively, and some occasion glass can be replaced by transparent plastic film, or backboard is used glass plate and substituted.In the assembly up and down two-layer EVA glued membrane all be transparent, and improve light transmittance as much as possible, be beneficial to solar ray energy and see through upper layer film and shine battery sheet and backboard sunlight reflected and see through lower membrane and return component internal, and reach the purpose that makes full use of sunlight.Usually backboard is a white, and reflectivity is about 80%.Have data to show, although the backboard sunlight reflected is between the battery sheet and the assembly periphery does not have the part of battery sheet covering, as make the black backboard into, the decline of the assembly generating efficiency that the minimizing that backboard flashes back the sunlight causes is greatly about about 3% of gross power.The sunlight that the explanation of this phenomenon is reflected back toward component internal from assembly lower floor has also participated in the generating of assembly.
Therefore, in order to make full use of the backboard sunlight reflected, need provide a kind of solar module structure, it can improve the intensity and the ratio of reflection ray, thereby improves the utilance of sunlight and improve the generating efficiency of solar module.
The utility model content
The purpose of this utility model is to have overcome above-mentioned shortcoming of the prior art, a kind of solar module structure that improves battery efficiency is provided, this solar module structural design that improves battery efficiency is ingenious, can improve the intensity and the ratio of reflection ray, thereby improve the utilance of sunlight and improve the generating efficiency of solar module, and simple for structure, be suitable for large-scale promotion application.
To achieve these goals, the solar module structure of raising battery efficiency of the present utility model has adopted following technical scheme:
The solar module structure that this improves battery efficiency comprises at least one solar battery sheet and upper strata transparent adhesive tape rete, is characterized in that the solar module structure of described raising battery efficiency also comprises the lower floor reflector.Fit mutually in described upper strata transparent adhesive tape rete and described lower floor reflector, described solar battery sheet space is provided with and is distributed between described upper strata transparent adhesive tape rete and the described lower floor reflector.
Preferably, described lower floor reflector is greater than 80% and block rate greater than 90% reflector in 380 nanometers ultraviolet rays at the reflectivity at 550 nano wave length places.
More preferably, described lower floor reflector is greater than 85% and block rate greater than 90% reflector in 380 nanometers ultraviolet rays at the reflectivity at 550 nano wave length places.
Preferably, described lower floor reflector is the reflection adhesive film.
More preferably, described reflection adhesive film is white EVA adhesive film.
Preferably, described upper strata transparent adhesive tape rete is the transparent EVA adhesive film.The glued membrane that the transparent EVA adhesive film uses solar module commonly used to use gets final product, and also can use the EVA glued membrane that does not contain ultraviolet light screener.
More preferably, the thickness of described transparent EVA adhesive film is 0.2～1mm.
Usually, also have photovoltaic glass on the transparent adhesive tape rete of upper strata, also have backboard under the lower floor reflector.Photovoltaic glass can replace to transparent plastic such as fluoroplastics, polymethyl methacrylate (PMMA) on demand.Backboard can replace to glass plate, metallic plate, as the aluminium sheet etc. of aluminium sheet or band weathering layer.Backboard can use TPT (the PETG film/fluoroplastics film of fluoroplastics film/biaxial tension), TPE (the PETG film/polyolefin film of fluoroplastics film/biaxial tension), PET structure (the PETG film of weatherability biaxial tension and the PETG film and/or the polyolefin film of biaxial tension) as required.
The beneficial effects of the utility model are:
1, the solar module structure of raising battery efficiency of the present utility model lower floor's transparent EVA glued membrane that will have the solar module structure now replaces with the lower floor reflector, thereby directly reflected sunlight, avoided absorbed sunlight loss when backboard flashes back the sunlight approach lower floor transparent EVA glued membrane originally, improve the intensity and the ratio of reflection ray, thereby improve the utilance of sunlight and improve the generating efficiency of solar module, design ingenious, and simple for structure, be suitable for large-scale promotion application.
2, the described lower floor high reflection layer of the solar module structure of raising battery efficiency of the present utility model can be that reflectivity at 550 nano wave length places is greater than 80%, be not less than the reflectivity of backboard, thereby can effectively reflect the light of incident solar module.
3, the described lower floor high reflection layer of the solar module structure of raising battery efficiency of the present utility model blocks rate greater than 90% reflector in 380 nanometers ultraviolet rays; the protection backboard to a side of battery sheet not by ultraviolet damage by the place ahead incident, thereby prolong life-span of solar module.
Description of drawings
Fig. 1 is the cross-sectional schematic of first specific embodiment of the present utility model.
Fig. 2 is the cross-sectional schematic of second specific embodiment of the present utility model.
Fig. 3 is the cross-sectional schematic of the 3rd specific embodiment of the present utility model.
Embodiment
In order more to be expressly understood technology contents of the present utility model, describe in detail especially exemplified by following examples.
See also shown in Figure 1, in first specific embodiment of the solar module structure of raising battery efficiency of the present utility model, top layer 1 uses the conventional photovoltaic glass that uses of solar components, upper strata transparent adhesive tape rete 2 adopts conventional photovoltaic EVA adhesive film, 0.6 millimeter of thickness, excellent prestige Electronic Arts Inc. produces by the sea, Shanghai, and the trade mark is S201.White EVA glued membrane is adopted in lower floor reflector 3, and 0.6 millimeter of thickness greater than 95%, blocks rate greater than 100% in 380 nanometers ultraviolet rays at wavelength 550 nanometers reflectivity, and excellent prestige Electronic Arts Inc. produces by the sea, Shanghai, and the trade mark is S301W.Bottom 4 uses the backboard of TPE structure, the i.e. backboard of the PETG film/polyolefin film structure of fluoroplastics film/biaxial tension.Solar battery sheet 5 spaces are provided with and are distributed between described upper strata transparent adhesive tape rete 2 and the described lower floor reflector 3.After the solar module compare test of routine, find that component efficiency improves 0.3%.
See also shown in Figure 2, in second specific embodiment of the solar module structure of raising battery efficiency of the present utility model, top layer 1 uses the light transmittance fluoroplastics fep film higher than photovoltaic glass, upper strata transparent adhesive tape rete 2 adopts conventional photovoltaic EVA adhesive film, thickness is 0.2 millimeter, by sea, Shanghai excellent prestige Electronic Arts Inc. making in laboratory, composition is the same with aforementioned S201.White EVA glued membrane is adopted in lower floor reflector 3, greater than 80%, is 90% in the 380 nanometers ultraviolet ray rates of blocking at wavelength 550 nanometers reflectivity, by sea, Shanghai excellent prestige Electronic Arts Inc. making in laboratory.Bottom 4 uses the backboard of TPT structure, the i.e. backboard of the PETG film/fluoroplastics membrane structure of fluoroplastics film/biaxial tension.Solar battery sheet 5 spaces are provided with and are distributed between described upper strata transparent adhesive tape rete 2 and the described lower floor reflector 3.After the solar module compare test of routine, find that component efficiency improves 0.2%.
See also shown in Figure 3, in the 3rd specific embodiment of the solar module structure of raising battery efficiency of the present utility model, top layer 1 uses the photovoltaic glass of surface band antireflection layer, upper strata transparent adhesive tape rete 2 adopts the photovoltaic EVA adhesive film that does not contain ultraviolet light screener, thickness is 1 millimeter, by sea, Shanghai excellent prestige Electronic Arts Inc. making in laboratory, the S201U that composition is produced with the said firm.White EVA glued membrane is adopted in lower floor reflector 3, greater than 98%, is 100% in the 380 nanometers ultraviolet ray rates of blocking at wavelength 550 nanometers reflectivity, by sea, Shanghai excellent prestige Electronic Arts Inc. making in laboratory.Bottom 4 does not use backboard, and is to use normal optical volt glass.Solar battery sheet 5 spaces are provided with and are distributed between described upper strata transparent adhesive tape rete 2 and the described lower floor reflector 3.With the solar module of routine relatively after, find that component efficiency improves 0.6%.
Therefore, the utility model uses the lower floor reflector to substitute the transparent EVA glued membrane that uses usually in solar module lower floor.The reflector directly flashes back the sunlight, the loss of having avoided conventional assembly dorsulum sunlight reflected to bring by way of lower floor's transparent EVA layer.Because of lower floor's transparent EVA has high reflectance, for example be reflectivity at 550 nano wave length places greater than 80%, get back in the solar battery sheet thereby effectively flash back the sunlight, thereby reach the utilance that improves sunlight.
To sum up, the solar module structural design of raising battery efficiency of the present utility model is ingenious, improves the intensity and the ratio of reflection ray, thereby improves the utilance of sunlight and improve the generating efficiency of solar module, and simple for structure, be suitable for large-scale promotion application.
In this specification, the utility model is described with reference to its certain embodiments.But, still can make various modifications and conversion obviously and not deviate from spirit and scope of the present utility model.Therefore, specification and accompanying drawing are regarded in an illustrative, rather than a restrictive.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200341173U CN201936904U (en) | 2011-01-31 | 2011-01-31 | Solar battery pack structure capable of improving efficiency of battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200341173U CN201936904U (en) | 2011-01-31 | 2011-01-31 | Solar battery pack structure capable of improving efficiency of battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201936904U true CN201936904U (en) | 2011-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200341173U Expired - Lifetime CN201936904U (en) | 2011-01-31 | 2011-01-31 | Solar battery pack structure capable of improving efficiency of battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201936904U (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102140314A (en) * | 2011-02-01 | 2011-08-03 | 李民 | EVA adhesive film with high light reflecting rate |
| CN102800730A (en) * | 2012-07-09 | 2012-11-28 | 友达光电股份有限公司 | Photovoltaic device |
| CN103165694A (en) * | 2011-12-09 | 2013-06-19 | 聚日（苏州）科技有限公司 | Solar cell component and manufacturing method thereof |
| WO2013134983A1 (en) * | 2012-03-16 | 2013-09-19 | 友达光电股份有限公司 | Solar module capable of absorbing ultraviolet waveband and method for manufacturing same |
| CN103400885A (en) * | 2013-08-14 | 2013-11-20 | 英利集团有限公司 | Black solar battery component |
| CN104465831A (en) * | 2014-12-19 | 2015-03-25 | 江苏宇昊新能源科技有限公司 | Adhesive film for building photovoltaic module |
| TWI565220B (en) * | 2014-08-25 | 2017-01-01 | zhong-cheng Zhang | Method and device for improving power generation efficiency of solar cell |
| CN106711256A (en) * | 2015-07-27 | 2017-05-24 | 东莞南玻光伏科技有限公司 | Double-glass solar photovoltaic module and preparation method thereof |
| CN106945378A (en) * | 2017-03-03 | 2017-07-14 | 杭州福斯特应用材料股份有限公司 | A kind of latticed double-decker photovoltaic component encapsulating glued membrane and preparation method thereof |
| CN107068792A (en) * | 2017-04-13 | 2017-08-18 | 英利能源（中国）有限公司 | Generating electricity on two sides photovoltaic structure and generating electricity on two sides photovoltaic module |
| CN107845696A (en) * | 2016-09-19 | 2018-03-27 | 阿特斯(中国)投资有限公司 | A kind of double wave component and preparation method thereof |
-
2011
- 2011-01-31 CN CN2011200341173U patent/CN201936904U/en not_active Expired - Lifetime
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102140314A (en) * | 2011-02-01 | 2011-08-03 | 李民 | EVA adhesive film with high light reflecting rate |
| CN103165694B (en) * | 2011-12-09 | 2016-11-23 | 聚日（苏州）科技有限公司 | A kind of solar module and manufacture method thereof |
| CN103165694A (en) * | 2011-12-09 | 2013-06-19 | 聚日（苏州）科技有限公司 | Solar cell component and manufacturing method thereof |
| WO2013134983A1 (en) * | 2012-03-16 | 2013-09-19 | 友达光电股份有限公司 | Solar module capable of absorbing ultraviolet waveband and method for manufacturing same |
| CN102800730A (en) * | 2012-07-09 | 2012-11-28 | 友达光电股份有限公司 | Photovoltaic device |
| CN103400885A (en) * | 2013-08-14 | 2013-11-20 | 英利集团有限公司 | Black solar battery component |
| TWI565220B (en) * | 2014-08-25 | 2017-01-01 | zhong-cheng Zhang | Method and device for improving power generation efficiency of solar cell |
| CN104465831A (en) * | 2014-12-19 | 2015-03-25 | 江苏宇昊新能源科技有限公司 | Adhesive film for building photovoltaic module |
| CN106711256A (en) * | 2015-07-27 | 2017-05-24 | 东莞南玻光伏科技有限公司 | Double-glass solar photovoltaic module and preparation method thereof |
| CN107845696A (en) * | 2016-09-19 | 2018-03-27 | 阿特斯(中国)投资有限公司 | A kind of double wave component and preparation method thereof |
| CN106945378A (en) * | 2017-03-03 | 2017-07-14 | 杭州福斯特应用材料股份有限公司 | A kind of latticed double-decker photovoltaic component encapsulating glued membrane and preparation method thereof |
| CN106945378B (en) * | 2017-03-03 | 2019-08-02 | 杭州福斯特应用材料股份有限公司 | A grid-like double-layer structure photovoltaic module encapsulation adhesive film and preparation method thereof |
| CN107068792A (en) * | 2017-04-13 | 2017-08-18 | 英利能源（中国）有限公司 | Generating electricity on two sides photovoltaic structure and generating electricity on two sides photovoltaic module |
| CN107068792B (en) * | 2017-04-13 | 2019-06-11 | 英利能源（中国）有限公司 | Double-sided power generation photovoltaic structure and double-sided power generation photovoltaic modules |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHANGHAI HIUV ELECTRONIC TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: LI MIN Effective date: 20130228 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20130228 Address after: 201203, Shanghai, Pudong New Area, 3000 East long avenue, Zhang Jiang hi tech Development Zone, No. 1, building A, block 909B Patentee after: Shanghai HIUV Electronic Technology Co., Ltd. Address before: 201203, Shanghai, Pudong New Area, 3000 East long avenue, Zhang Jiang hi tech Development Zone, No. 1, building A, block 909B Patentee before: Li Min |
|
| CP03 | Change of name, title or address |
Address after: Room 909A, Building A, 3000 Longdong Avenue, China (Shanghai) Free Trade Pilot Area, Pudong New Area, Shanghai, 200120 Patentee after: SHANGHAI HIUV NEW MATERIALS CO., LTD. Address before: 201203, Shanghai, Pudong New Area, 3000 East long avenue, Zhang Jiang hi tech Development Zone, No. 1, building A, block 909B Patentee before: SHANGHAI HIUV ELECTRONIC TECHNOLOGY Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110817 |
|
| CX01 | Expiry of patent term |