CN203674235U - Double-face-light-receiving type solar cell assembly - Google Patents
Double-face-light-receiving type solar cell assembly Download PDFInfo
- Publication number
- CN203674235U CN203674235U CN201320863707.6U CN201320863707U CN203674235U CN 203674235 U CN203674235 U CN 203674235U CN 201320863707 U CN201320863707 U CN 201320863707U CN 203674235 U CN203674235 U CN 203674235U
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- Prior art keywords
- sided
- light
- solar module
- subject
- refractive body
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- 239000000853 adhesive Substances 0.000 claims description 12
- 230000001070 adhesive effect Effects 0.000 claims description 12
- 239000011521 glass Substances 0.000 claims description 9
- 229910052755 nonmetal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 2
- 230000011514 reflex Effects 0.000 description 6
- 239000002313 adhesive film Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- -1 cell piece Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000005341 toughened glass Substances 0.000 description 1
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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 the photovoltaic assembly technology field and particularly relates to a double-face-light-receiving type solar cell assembly. The double-face-light-receiving type solar cell assembly comprises a cover plate, an upper binding layer, multiple double-face-light-receiving cells, a lower binding layer and a back plate which are sequentially arranged from up to down, wherein the back plate and the cover plate are transparent structures, the adjacent double-face-light-receiving cells have gaps, and light reflection bodies are respectively arranged in the gaps among the adjacent double-face-light-receiving cells. According to the double-face-light-receiving type solar cell assembly, the back plate and the cover plate are the transparent structures, so two faces of each cell receive light, and performance of the solar cell assembly is improved, moreover, the light reflection bodies are respectively arranged in the gaps among the adjacent double-face-light-receiving cells, so light irradiated into the gaps can be reflected by the light reflection bodies onto the cover plate or the back plate and is then reflected by the transparent cover plate or the transparent back plate onto the cells, and thereby light irradiated into the gaps among the cells is utilized, and performance of the solar cell assembly is further improved.
Description
Technical field
The utility model relates to photovoltaic module technical field, relates in particular to a kind of two-sided illuminated solar module.
Background technology
Conventional crystal silicon solar energy battery is one side Colony structure, and its corresponding component package mode also adopts one side Colony structure, is respectively glass, EVA, cell piece, EVA, backboard from top to bottom.In actual applications, solar module, except front is subject to the direct radiation of sunlight, also can be subject to the catoptrical radiation of installation environment at the back side of assembly.
Because conventional solar cell and the assembly back side thereof are lighttight, the light that therefore reflexes to the assembly back side cannot utilize.For addressing this problem, people have developed two-sided illuminated solar module, and the two sides of this assembly can be subject to light, can increase substantially the performance of assembly.Because two-sided light-receiving module has this unique advantage, be subject in recent years increasing attention.Two-sided light-receiving module adopts the two-sided photocell sheet that is subject to encapsulate, and its basic structure is respectively glass, EVA, two-sided photocell, EVA, glass or the transparent back panel of being subject to from top to bottom.
Due in the time that battery sheet packaging becomes assembly, between cell piece, need in a distance, between cell piece, existing gap, illumination to be mapped to gap area can not directly be absorbed by cell piece.For conventional one side light-receiving module, because its back side adopts lighttight white backboard encapsulation, white backboard has very strong reflex to light, therefore the light that is radiated at cell piece gap can be reflexed on packaged glass by white backboard, enter cell piece through the reflection of packaged glass again, thereby the light that can make to be irradiated to cell piece gap is absorbed and is converted to electric energy.The effect that this design feature is larger to having of assembly property.And for the two-sided light solar components that is subject to, because requiring the encapsulating material on two sides, it all to there is good light transmission, can directly there is transmission and cannot enter cell piece in the light that is therefore radiated at cell piece gap, the loss meeting of this part light seriously reduces the performance of assembly.
For the problems referred to above, we need to a kind ofly can improve the solar module that is irradiated to the utilance of the sunlight in gap between solar battery sheet.
Utility model content
The purpose of this utility model is to propose a kind of two-sided illuminated solar module, can effectively improve the performance of solar module, can utilize fully the light that is irradiated to the gap between cell piece simultaneously.
For reaching this object, the utility model by the following technical solutions:
A kind of two-sided illuminated solar module, comprise the cover plate setting gradually from top to bottom, upper adhesive linkage, two-sided photocell sheet, lower adhesive linkage and the backboard of being subject to of multi-disc, described cover plate and backboard are transparent configuration, wherein, there is gap between photocell sheet in adjacent described two-sided being subject to, and is provided with refractive body in the described two-sided gap being subject between light adjacent cell sheet.
As a kind of preferred version of above-mentioned two-sided illuminated solar module, a side of at least described refractive body is reflective surface.
As a kind of preferred version of above-mentioned two-sided illuminated solar module, described reflective surface is planar structure.
As a kind of preferred version of above-mentioned two-sided illuminated solar module, described reflective surface is curved-surface structure.
As a kind of preferred version of above-mentioned two-sided illuminated solar module, described curved-surface structure is made up of the reflective projection of at least one row, the cross section of described reflective projection is triangle, described triangle comprises first side, Second Edge and the 3rd limit, described first side contacts with the body of described refractive body, described Second Edge and the 3rd limit are towards cell piece, and described Second Edge and the 3rd limit are straight line or curve.
As a kind of preferred version of above-mentioned two-sided illuminated solar module, described refractive body and two-sided to be subject to the distance between photocell sheet be 0～2mm.
As a kind of preferred version of above-mentioned two-sided illuminated solar module, described refractive body and two-sided to be subject to the distance between photocell sheet be 0.5mm.
As a kind of preferred version of above-mentioned two-sided illuminated solar module, the thickness of described refractive body is not more than the two-sided thickness that is subject to photocell sheet.
As a kind of preferred version of above-mentioned two-sided illuminated solar module, described refractive body is nonmetal white reflection structure, or is reflective metal film.
As a kind of preferred version of above-mentioned two-sided illuminated solar module, described cover plate and backboard are glass.
As a kind of preferred version of above-mentioned two-sided illuminated solar module, described upper adhesive linkage and lower adhesive linkage are EVA adhesive film.
The beneficial effects of the utility model are: the application provides a kind of two-sided illuminated solar module, and its cover plate and backboard are transparent configuration, and the both sides of having realized cell piece can be subject to light, have improved the performance of solar battery group.And be provided with refractive body in the adjacent two-sided gap being subject between photocell sheet, this refractive body can reflex to the sunlight being irradiated on gap on cover plate or backboard, reflex on cell piece through transparent cover plate or backboard again, the sunlight that makes to be irradiated on the gap between cell piece has obtained utilization, has further improved the performance of solar battery group.
Accompanying drawing explanation
Fig. 1 is the structural representation of the two-sided illuminated solar module that provides of the utility model embodiment;
Fig. 2 is the two-sided structural representation that coordinated by photocell sheet and refractive body that the utility model embodiment provides.
Fig. 3 is the structural representation in the cross section of the reflective projection of refractive body that provides of the utility model embodiment.
Wherein:
1: cover plate; 2: upper adhesive linkage; 3: the two-sided photocell sheet that is subject to; 4: lower adhesive linkage; 5: backboard; 6: refractive body; 7: first side; 8: Second Edge; 9: the three limits.
Embodiment
Further illustrate the technical solution of the utility model below in conjunction with accompanying drawing and by embodiment.
As shown in Figure 1 and Figure 2, present embodiment provides a kind of two-sided illuminated solar module, comprise two-sided photocell sheet 3, lower adhesive linkage 4 and the backboard 5 of being subject to of the cover plate 1, upper adhesive linkage 2, the multi-disc that set gradually from top to bottom, cover plate 1 and backboard 5 are transparent configuration, as preferably, cover plate 1 and backboard 5 are glass.Further preferred, cover plate 1 and backboard 5 are toughened glass.Above-mentioned upper adhesive linkage 2 and lower adhesive linkage 4 are EVA adhesive film.
There is gap between photocell sheet 3 in above-mentioned adjacent two-sided being subject to, and is provided with refractive body 6 in the adjacent two-sided gap being subject between photocell sheet 3.In this execution mode, the cell piece of employing is to be two-sidedly subject to photocell sheet 3, and cover plate 1 and backboard 5 are transparent configuration.The both sides of having realized cell piece can be subject to light, have improved the performance of solar battery group.In the adjacent two-sided gap being subject between photocell sheet 3, be provided with refractive body 6 simultaneously, this refractive body 6 can reflex to the sunlight on the gap being irradiated between cell piece on transparent cover plate 1 or backboard 5, reflex on cell piece through transparent cover plate 1 or backboard 5 again, the sunlight that makes to be irradiated on the gap between cell piece has obtained utilization, and then has improved the performance of solar battery group.
At least refractive body 6 side is reflective surface.This reflective surface has good reflective function.As preferably, two sides up and down of refractive body 6 are reflective surface, can reflect the light of refractive body both sides Shang Xia 6 thus.
Concrete, above-mentioned reflective surface is planar structure, or reflective surface is curved-surface structure.In this execution mode, as preferably, reflective surface is curved-surface structure, and this curved-surface structure is made up of the reflective projection of at least one row, and the cross section of reflective projection is triangle, and this triangle comprises first side 7, Second Edge 8 and the 3rd limit 9.First side 7 contacts with the body of refractive body 6, and Second Edge 8 and the 3rd limit 9 are towards cell piece.Increase reflective projection and can further improve the reflecting effect of refractive body 6 to light, made reflection ray enter more fully cell piece through the secondary reflection again of transparent cover plate or backboard.Further preferred, Second Edge 8 and the 3rd limit 9 are straight line or curve.As shown in Figure 3, be the situation that the Second Edge 8 that provides in present embodiment and the 3rd limit 9 are curve.
It should be noted that, the cross section of curved-surface structure is not limited in above-mentioned triangle, can be also the polygons such as quadrangle, pentagon.
It is refractive body 6 and two-sided that to be subject to the distance between photocell sheet 3 be 0～2mm.As preferably, refractive body 6 and two-sided to be subject to the distance between photocell sheet 3 be 0.5mm.
The thickness of refractive body 6 is not more than the two-sided thickness that is subject to photocell sheet 3.As preferably, the thickness of refractive body 6 equals two-sided to be subject to the thickness of photocell sheet 3 or to be slightly less than the two-sided thickness that is subject to photocell sheet 3.
Know-why of the present utility model has below been described in conjunction with specific embodiments.These are described is in order to explain principle of the present utility model, and can not be interpreted as by any way the restriction to the utility model protection range.Based on explanation herein, those skilled in the art does not need to pay performing creative labour can associate other embodiment of the present utility model, within these modes all will fall into protection range of the present utility model.
Claims (10)
1. a two-sided illuminated solar module, comprise the cover plate (1) setting gradually from top to bottom, upper adhesive linkage (2), two-sided photocell sheet (3), lower adhesive linkage (4) and the backboard (5) of being subject to of multi-disc, described cover plate (1) and backboard (5) are transparent configuration, it is characterized in that, there is gap between photocell sheet (3) in adjacent described two-sided being subject to, and is provided with refractive body (6) in the adjacent described two-sided gap being subject between photocell sheet (3).
2. two-sided illuminated solar module according to claim 1, is characterized in that, a side of at least described refractive body (6) is reflective surface.
3. two-sided illuminated solar module according to claim 2, is characterized in that, described reflective surface is planar structure.
4. two-sided illuminated solar module according to claim 2, is characterized in that, described reflective surface is curved-surface structure.
5. two-sided illuminated solar module according to claim 4, it is characterized in that, described curved-surface structure is made up of the reflective projection of at least one row, the cross section of described reflective projection is triangle, described triangle comprises first side (7), Second Edge (8) and the 3rd limit (9), described first side (7) contacts with the body of described refractive body (6), described Second Edge (8) and the 3rd limit (9) are towards the two-sided photocell sheet (3) that is subject to, and described Second Edge (8) and the 3rd limit (9) are straight line or curve.
6. two-sided illuminated solar module according to claim 1, is characterized in that, described refractive body (6) and two-sided to be subject to the distance between photocell sheet (3) be 0～2mm.
7. two-sided illuminated solar module according to claim 6, is characterized in that, described refractive body (6) and two-sided to be subject to the distance between photocell sheet (3) be 0.5mm.
8. two-sided illuminated solar module according to claim 1, is characterized in that, the thickness of described refractive body (6) is not more than the two-sided thickness that is subject to photocell sheet (3).
9. two-sided illuminated solar module according to claim 1, is characterized in that, described refractive body (6) is nonmetal white structure, or is reflective metal film.
10. two-sided illuminated solar module according to claim 1, is characterized in that, described cover plate (1) is glass, and backboard (5) is glass or organic transparent back panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320863707.6U CN203674235U (en) | 2013-12-25 | 2013-12-25 | Double-face-light-receiving type solar cell assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320863707.6U CN203674235U (en) | 2013-12-25 | 2013-12-25 | Double-face-light-receiving type solar cell assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203674235U true CN203674235U (en) | 2014-06-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320863707.6U Expired - Lifetime CN203674235U (en) | 2013-12-25 | 2013-12-25 | Double-face-light-receiving type solar cell assembly |
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| CN (1) | CN203674235U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104868001A (en) * | 2015-06-17 | 2015-08-26 | 河海大学常州校区 | Novel two-sided photovoltaic solar cell module |
| CN105514200A (en) * | 2016-01-20 | 2016-04-20 | 常州亚玛顿股份有限公司 | Double-faced electricity-generating double-glass module |
| CN109904265A (en) * | 2019-03-25 | 2019-06-18 | 江苏中信博新能源科技股份有限公司 | A kind of double-side assembly of intermediate hollow out |
| CN111106194A (en) * | 2018-10-26 | 2020-05-05 | 比亚迪股份有限公司 | Double-sided solar cell and photovoltaic module |
-
2013
- 2013-12-25 CN CN201320863707.6U patent/CN203674235U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104868001A (en) * | 2015-06-17 | 2015-08-26 | 河海大学常州校区 | Novel two-sided photovoltaic solar cell module |
| CN105514200A (en) * | 2016-01-20 | 2016-04-20 | 常州亚玛顿股份有限公司 | Double-faced electricity-generating double-glass module |
| CN111106194A (en) * | 2018-10-26 | 2020-05-05 | 比亚迪股份有限公司 | Double-sided solar cell and photovoltaic module |
| CN109904265A (en) * | 2019-03-25 | 2019-06-18 | 江苏中信博新能源科技股份有限公司 | A kind of double-side assembly of intermediate hollow out |
| CN109904265B (en) * | 2019-03-25 | 2024-06-11 | 江苏中信博新能源科技股份有限公司 | Double-sided component with hollowed-out middle |
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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: 20140625 |
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| CX01 | Expiry of patent term |