CN203013773U - Reflection apparatus of double-face battery assembly - Google Patents
Reflection apparatus of double-face battery assembly Download PDFInfo
- Publication number
- CN203013773U CN203013773U CN 201220694080 CN201220694080U CN203013773U CN 203013773 U CN203013773 U CN 203013773U CN 201220694080 CN201220694080 CN 201220694080 CN 201220694080 U CN201220694080 U CN 201220694080U CN 203013773 U CN203013773 U CN 203013773U
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- Prior art keywords
- double
- light
- side cell
- reflecting
- housing
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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
- Y02E10/52—PV systems with concentrators
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- Photovoltaic Devices (AREA)
Abstract
The utility model relates to a solar battery, especially to a reflection apparatus of a double-face battery assembly. The reflection apparatus comprises a shell arranged below a double-face battery; the upper surface of the shell is provided with an opening; the lower surface of the shell is provided with a light-receiving surface for reflecting incident light; a plurality of reflecting bodies are arranged inside the shell; each reflecting body is composed of a plurality of reflecting surfaces which are different in curvature; and all the reflecting surfaces are aligned to the back side of the corresponding double-face battery. The beneficial effects of the reflection apparatus are that the light directly irradiates on the front side of the double-face battery assembly and is reflected onto the back side of the double-face battery assembly through the reflecting apparatus so that the front and back surfaces of the double-face battery can receive the light, the electric energy output efficiency is high, and the light utilization rate is relatively high.
Description
Technical field
The utility model relates to a kind of solar cell, especially relates to a kind of reflection unit of Double-sided battery pack.
Background technology
Resource growing tension, disparities between supply and demand intensify current, will become following development trend to the further exploitation of solar energy.Wherein solar photovoltaic assembly is an important component part utilizing solar energy, and solar photovoltaic assembly is mainly used in the aspects such as ground, elevation of building, building roof.Conventional solar cell is the single face generating battery, silicon wafer thickness is larger, and light conversion efficiency is also higher, and corresponding cost also can be larger, wherein the monocrystalline silicon battery light conversion efficiency is the highest, conversion efficiency can reach 19% left and right, for reducing costs, double side photovoltaic battery occurred, can work under the light irradiation simultaneously in the two sides of double-sided solar battery, light conversion efficiency further brings up to 20～30%, and light conversion efficiency improves greatly, and then has effectively improved generating efficiency.
and being mainly front and rear surfaces, the modular construction that uses at present double-side cell is glass, so that the front and rear surfaces of assembly can have light to penetrate, light is mapped to the front and rear surfaces of double-side cell, thereby the front and rear surfaces of double-side cell can have voltage, current power output, this kind version is mainly used in erectting vertically arranged integrated building curtain wall (BIPV) form, as notification number be: a kind of double side photovoltaic battery wall component that the Chinese utility model of CN101478010A provides and preparation method thereof, technical scheme of the present invention is: double side photovoltaic battery wall component, comprise upper strata glass, bottom glass and solar battery sheet, upper strata glass, be sealing adhesive with EVA between bottom glass and solar battery sheet, described solar battery sheet is two-sided monocrystaline silicon solar cell sheet, connect with interconnector between each two-sided monocrystaline silicon solar cell sheet, be connected to terminal box with busbar between every group of double-sided solar battery sheet.This patent is the version that front and rear surfaces is glass, because the double-side cell piece is relative with the light irradiating angle fixing, back of the body surface can only receive the sun and diffuses when reality is used, the luminous energy that receives a little less than, electric current output is less, can not effectively bring into play the generating electricity on two sides characteristics of double-side cell, not only limit the application of Double-sided battery pack, in fact the battery power output does not have much raisings yet.
The utility model content
The utility model is mainly little for the existing light area coverage of existing solar photovoltaic battery component, output current is less, and the problem that light utilization is lower provides a kind of light area coverage large, output current is large, the reflection unit of the Double-sided battery pack that light utilization is high.
Above-mentioned technical problem of the present utility model is mainly solved by following technical proposals: a kind of reflection unit of Double-sided battery pack, it comprises the housing that is arranged on the double-side cell below, the housing upper surface has opening, the housing lower surface is provided with the sensitive surface that reflects the incident light line, also be provided with several reflectors in housing, reflector is made of the different reflecting surface of several curvature, and each reflecting surface is all aimed at the back side of corresponding double-side cell.The sensitive surface of reflection unit is furnished with a plurality of reflectors, the sunlight that sees through the double-side cell gap can be reflexed to the back side of double-side cell.Reflecting surface has different curvature, can be curved surface, also can be the inclined-plane, and to improve the reflection coverage rate, the light of the reflecting surface reflection on the individual reflection body should be able to cover the back side of corresponding double-side cell sheet fully.A part of light direct irradiation of sunlight is in the front of double-side cell, double-side cell absorbs luminous energy and is converted into electric energy, another part light passes double-side cell and is radiated on reflection unit, reflection unit is by sensitive surface and reflector reflection ray on it, light is radiated at the back side of double-side cell, the double-side cell front and rear surfaces can be subjected to light like this, and the electric energy delivery efficiency is high, and light utilization is higher.
As preferably, the quantity of the double-side cell sheet in the quantity of described reflector and double-side cell is identical, and reflector is corresponding one by one with the double-side cell sheet.Transform usefulness for improving, should guarantee the corresponding double-side cell sheet of a reflector.
As preferably, described sensitive surface is reflectance coating or reflective film.Reflectance coating or reflective film can further improve the ability of reflecting surface reflection ray, improve light utilization.
As preferably, be connected with the insulator of printing opacity between described package blocks and reflection unit.Insulator is used for guaranteeing insulating properties, waterproof, printing opacity etc.
As preferably, described insulator is provided with waterproof coating.Insulator is multilayer materials, and one deck has good insulating properties, and one deck has good water proofing property.
Therefore, the beneficial effects of the utility model are: the front of light direct projection Double-sided battery pack, light reflex to the back side of Double-sided battery pack by reflection unit, the double-side cell front and rear surfaces can be subjected to light like this, and the electric energy delivery efficiency is high, and light utilization is higher.
Description of drawings
Accompanying drawing 1 is the utility model and the double-side cell a kind of structural representation when being used in conjunction with;
Accompanying drawing 2 is the partial enlarged drawings at A place in accompanying drawing 1.
Shown in figure: 1-double-side cell, 2-housing, 3-sensitive surface, 4-reflector, 5-insulator, 6-double-side cell sheet, 7-reflecting surface I, 8-reflecting surface II, 9-reflecting surface III.
Embodiment
Below by embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment:
as shown in Figure of description 1, a kind of reflection unit of Double-sided battery pack, it comprises the housing 2 that is arranged on double-side cell 1 below, be connected with the insulator 5 of printing opacity between housing 2 and double-side cell 1, insulator 5 is provided with waterproof coating, housing 2 upper surfaces have opening, housing 2 lower surfaces are provided with the sensitive surface 3 that reflects the incident light line, sensitive surface 3 is reflectance coating or reflective film, also be provided with several reflectors 4 in housing 2, reflector 4 is made of three different reflectings surface of curvature, three reflectings surface are all aimed at the back side of corresponding double-side cell 1, the quantity of the double-side cell sheet 6 in the quantity of reflector 4 and double-side cell 1 is identical, and reflector 4 is corresponding one by one with double-side cell sheet 6.
as shown in Figure of description 2, reflector 52 comprises three reflectings surface, be respectively reflecting surface I 7, reflecting surface II 8 and reflecting surface III 9, the curvature of three reflectings surface is all different, three reflectings surface are all aimed at the back side of corresponding double-side cell sheet 6, wherein reflecting surface I 7 is the different cambered surface of curvature with reflecting surface II 8, reflecting surface III 9 is the inclined-plane, reflecting surface I 7 is connected connection with the reflecting surface II, and the justified margin of junction and corresponding double-side cell sheet, three reflectings surface have different reflecting effects, wherein reflecting surface II 8 with light reflection to double-side cell sheet back side far-end, reflecting surface III 9 with light reflection to double-side cell sheet back side near-end, reflecting surface I 7 secondary reflects to the double-side cell sheet back side with light, add in addition sensitive surface 3 and be the plane reflection face, sensitive surface 3 can be with the light diffuse reflection, the light reflection area coverage is large, improved light utilization.
Sunlight light sees through transparent glass, the direct projection of part light is to the front of double-side cell sheet, absorb and be converted into voltage, electric current, another part light passes the gap between package blocks and double-side cell sheet, and pass insulator and arrive reflection unit, the sensitive surface of reflection unit reflects this part light, reflection ray arrives the back side of double-side cell sheet, absorb and be converted into voltage, electric current, thereby the positive and negative of double-side cell sheet all can sufficiently absorb luminous energy, can change into than multivoltage, electric current, light utilization is higher.
Should be understood that this embodiment only to be used for explanation the utility model and be not used in restriction scope of the present utility model.Should be understood that in addition those skilled in the art can make various changes or modifications the utility model after the content of having read the utility model instruction, these equivalent form of values fall within the application's appended claims limited range equally.
Claims (5)
1. the reflection unit of a Double-sided battery pack, it is characterized in that, it comprises the housing (2) that is arranged on double-side cell (1) below, housing (2) upper surface has opening, housing (2) lower surface is provided with the sensitive surface (3) that reflects the incident light line, also be provided with several reflectors (4) in housing (2), reflector (4) is made of the different reflecting surface of several curvature, and each reflecting surface is all aimed at the back side of corresponding double-side cell (1).
2. the reflection unit of a kind of Double-sided battery pack according to claim 1, it is characterized in that, the quantity of the double-side cell sheet (6) in the quantity of described reflector (4) and double-side cell (1) is identical, and reflector (4) is corresponding one by one with double-side cell sheet (6).
3. the reflection unit of a kind of Double-sided battery pack according to claim 1 and 2, is characterized in that, described sensitive surface (3) is reflectance coating or reflective film.
4. the reflection unit of a kind of Double-sided battery pack according to claim 1 and 2, is characterized in that, is connected with the insulator (5) of printing opacity between described housing (2) and double-side cell (1).
5. the reflection unit of a kind of Double-sided battery pack according to claim 4, is characterized in that, described insulator (5) is provided with waterproof coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220694080 CN203013773U (en) | 2012-12-14 | 2012-12-14 | Reflection apparatus of double-face battery assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220694080 CN203013773U (en) | 2012-12-14 | 2012-12-14 | Reflection apparatus of double-face battery assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203013773U true CN203013773U (en) | 2013-06-19 |
Family
ID=48605338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220694080 Expired - Fee Related CN203013773U (en) | 2012-12-14 | 2012-12-14 | Reflection apparatus of double-face battery assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203013773U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105490636A (en) * | 2016-01-22 | 2016-04-13 | 中信博新能源科技（苏州）有限公司 | Reflector used for double-sided photovoltaic module and photovoltaic system using reflector |
-
2012
- 2012-12-14 CN CN 201220694080 patent/CN203013773U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105490636A (en) * | 2016-01-22 | 2016-04-13 | 中信博新能源科技（苏州）有限公司 | Reflector used for double-sided photovoltaic module and photovoltaic system using reflector |
| CN105490636B (en) * | 2016-01-22 | 2018-10-09 | 江苏中信博新能源科技股份有限公司 | For the reflector of two-sided photovoltaic module and the photovoltaic system of application reflector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130619 Termination date: 20161214 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |