CN206194757U - Photovoltaic back sheet glass and dual -glass photovoltaic assembly - Google Patents
Photovoltaic back sheet glass and dual -glass photovoltaic assembly Download PDFInfo
- Publication number
- CN206194757U CN206194757U CN201621092861.8U CN201621092861U CN206194757U CN 206194757 U CN206194757 U CN 206194757U CN 201621092861 U CN201621092861 U CN 201621092861U CN 206194757 U CN206194757 U CN 206194757U
- Authority
- CN
- China
- Prior art keywords
- glass
- photovoltaic
- reflecting layer
- panel
- baseplate
- Prior art date
- 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.)
- Active
Links
- 239000011521 glass Substances 0.000 title claims abstract description 87
- 239000005357 flat glass Substances 0.000 title claims description 8
- 230000009977 dual effect Effects 0.000 title abstract 2
- 239000002313 adhesive film Substances 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 10
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 9
- 229910052782 aluminium Inorganic materials 0.000 claims description 9
- 238000004806 packaging method and process Methods 0.000 claims description 9
- 239000004411 aluminium Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 4
- 239000012528 membrane Substances 0.000 claims description 4
- 238000001755 magnetron sputter deposition Methods 0.000 claims description 3
- 238000005538 encapsulation Methods 0.000 claims 1
- 239000011248 coating agent Substances 0.000 abstract description 4
- 238000000576 coating method Methods 0.000 abstract description 4
- 239000002699 waste material Substances 0.000 abstract description 3
- 239000000758 substrate Substances 0.000 abstract 2
- 230000002349 favourable effect Effects 0.000 abstract 1
- 229920006280 packaging film Polymers 0.000 abstract 1
- 239000012785 packaging film Substances 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 18
- 210000004027 cell Anatomy 0.000 description 16
- 238000005516 engineering process Methods 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 239000002519 antifouling agent Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000004446 light reflex Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 230000011514 reflex Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
Classifications
-
- 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
Abstract
The utility model provides a dual -glass photovoltaic assembly, include glass cover plate, backplate glass, be located packaging film and photovoltaic cell piece between backplate glass and the glass cover plate, backplate glass include the glass substrate and formed at the mirror surface coating in the glass substrate outside. The utility model discloses a set up the mirror surface coating on backplate glass, reduced the waste of light for the mirror surface coating on the backplate of passing through more light reflects to the sensitive surface of photovoltaic cell piece on, has improved the light utilization of photovoltaic cell piece, is favorable to the promotion of photovoltaic module generating efficiency.
Description
Technical field
The utility model is related to photovoltaic power generation technology, more particularly to a kind of photovoltaic back glass and double glass photovoltaic modulies.
Background technology
The typical structure of double glass photovoltaic modulies is：Preceding glass sheet/upper strata transparent EVA glued membrane/photovoltaic cell/lower floor is transparent
EVA adhesive film/lower floor's back-panel glass.At present, double glass photovoltaic modulies are generally divided into two kinds：Transparent pair of glass and the double glass of white, Qian Zheyou
It is transparent configuration in back-panel glass, this can cause light to produce light leak, band in cell piece gap and module edge after entering component
Carry out the loss of component power；The latter is then that light loss is reduced by white material, and the method that industry is used is by lower floor's transparent EVA
Glued membrane replaces with white packaging adhesive film, or lower floor's back-panel glass is replaced with into white glass, so sets primarily to real
Now light line reflection, enables the light at cell piece gap or module edge finally to be reflexed to photovoltaic cell surface, so as to improve
The utilization rate of light, lifting assembly power.
However, white packaging adhesive film there is also some shortcomings, for example：There are problems that in lamination process overflow edge,
Because glued membrane is white, these problems will easily perceive that after occurring, so as to influence the overall appearance of photovoltaic module, cause not
It is good.
Utility model content
In view of this, the utility model provides a kind of photovoltaic back glass and double glass photovoltaic modulies, to reduce light losing.
Specifically, the utility model is achieved by the following technical solution：A kind of pair of glass photovoltaic module, including cover plate glass
Glass, back-panel glass, packaging adhesive film and photovoltaic cell between back-panel glass and cover-plate glass, the back-panel glass include
Glass baseplate and the reflecting layer being formed on the outside of the glass baseplate.
Further, the glass baseplate has inner surface and outer surface, and the reflecting layer is formed at the glass base
The outer surface of material, the outer surface is adjacent with ambient atmosphere, and the inner surface of the glass back plate is contacted with packaging adhesive film.
Further, the reflecting layer is aluminium coated, and its thickness is 10-30 μm, and the thickness of the back-panel glass is
2.0-5.0mm。
Further, the reflecting layer is distributed only over the region that back-panel glass inner surface is not covered by photovoltaic cell.
Further, the back-panel glass includes glass baseplate and the reflecting layer being formed on the outside of the glass baseplate.
Further, the glass baseplate has inner surface and outer surface, and the reflecting layer passes through magnetron sputtering technique
It is the aluminium coated of 10-30 μm of thickness to be formed at the outer surface of the glass baseplate, and the reflecting layer.
The utility model reduces the waste of light by setting reflecting layer in back-panel glass so that more light
Line is reflexed on the smooth surface of photovoltaic cell by the reflecting layer on backboard, and the light that improve photovoltaic cell is utilized
Rate, is conducive to the lifting of photovoltaic module generating efficiency.
Brief description of the drawings
Fig. 1 is the described in the utility model pair of structural representation of glass photovoltaic module.
Fig. 2 is the described in the utility model pair of schematic diagram of the back-panel glass of glass photovoltaic module.
Fig. 3 is the described in the utility model pair of front schematic view of the back-panel glass of glass photovoltaic module.
Specific embodiment
Here exemplary embodiment will be illustrated in detail, its example is illustrated in the accompanying drawings.Following description is related to
During accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawings represent same or analogous key element.Following exemplary embodiment
Described in implementation method do not represent all implementation methods consistent with the utility model.Conversely, they be only with such as
The example of the consistent apparatus and method of some aspects being described in detail in appended claims, of the present utility model.
The term used in the utility model is the purpose only merely for description specific embodiment, and is not intended to be limiting this reality
With new." one kind ", " described " and " being somebody's turn to do " of singulative used in the utility model and appended claims
It is intended to include most forms, unless context clearly shows that other implications.It is also understood that term used herein " and/
Or " refer to and may be combined comprising one or more associated any or all of project listed.
It will be appreciated that though various information may be described using term first, second, third, etc. in the utility model,
But these information should not necessarily be limited by these terms.These terms are only used for being distinguished from each other open same type of information.For example, not
In the case of departing from the utility model scope, the first information can also be referred to as the second information, and similarly, the second information can also
It is referred to as the first information.Depending on linguistic context, word as used in this " if " can be construed to " ... when " or
" when ... " or " in response to determining ".
Please join shown in Fig. 1, Fig. 2, the utility model discloses a kind of pair of glass photovoltaic module 100, it includes cover-plate glass 10, the back of the body
Glass sheet 20, the two-layer packaging adhesive film 30 between back-panel glass 20 and cover-plate glass 10 and between both sides packaging adhesive film 30
Between photovoltaic cell string 40, the cover-plate glass 10, back-panel glass 20, packaging adhesive film 30 and photovoltaic cell string 40 pass through
The laminate of one is formed after the lamination effect of laminating machine.
As shown in Fig. 2 the back-panel glass 20 includes glass baseplate 21 and is formed at the mirror in the outside of the glass baseplate 21
Finishing coat 22, wherein, the glass baseplate 21 has inner surface 23 and outer surface 24, and the reflecting layer 22 is formed at the glass
It is on the outer surface 24 of glass base material 21 and adjacent with ambient atmosphere, and minute surface sets inwardly, and the inner surface 23 of the glass back plate
Then it is used to be contacted with packaging adhesive film 30.Due to back-panel glass 20 for transparent material glass, therefore, the reflecting layer 22 for
There is reflex through the light of back-panel glass 20, some light of backboard can will be reached through the gap cell piece
Again reflect back, and most light reflexes to the surface of photovoltaic cell at last.
In the utility model preferred embodiment, the reflecting layer 22 is aluminium coated, and it uses vacuum aluminium plating process, is led to
The method for crossing magnetron sputtering is taken shape on the outer surface 24 of the glass baseplate 21, its technological process approximately as：Chip select, electric osmose
Bleed flushing, restocking, vacuum aluminum-coated, undercarriage, brush protective paint, drying.In addition, in order to realize protective effect, the utility model institute
The surface for stating aluminium coated is also coated with layer protective layer.In addition, the thickness of the back-panel glass 20 is 2.0-5.0mm, the minute surface
The thickness of coating 22 (aluminium coated) is 10-30 μm.
The distribution pattern of the reflecting layer 22 is adjusted also dependent on needs, for example, being distributed only over back-panel glass 20
The region of photovoltaic cell is not covered, and the region blocked by photovoltaic cell is then not provided with reflecting layer 22, such as Fig. 3 institutes
Show, so can be with material-saving cost.
The utility model reduces the waste of light so that more by setting reflecting layer 22 in back-panel glass 20
Light reflexed on the smooth surface of photovoltaic cell by the reflecting layer 22 on backboard, improve the light of photovoltaic cell
Utilization rate, is conducive to the lifting of photovoltaic module generating efficiency.
Preferred embodiment of the present utility model is the foregoing is only, is not used to limit the utility model, it is all at this
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements done etc. should be included in the utility model
Within the scope of protection.
Claims (6)
1. a kind of pair of glass photovoltaic module, including cover-plate glass, back-panel glass, the encapsulation between back-panel glass and cover-plate glass
Glued membrane and photovoltaic cell, it is characterised in that the back-panel glass includes glass baseplate and is formed at the glass baseplate outside
Reflecting layer.
2. glass photovoltaic modulies as claimed in claim 1 double, it is characterised in that the glass baseplate has inner surface and appearance
Face, the reflecting layer is formed at the outer surface of the glass baseplate, and the outer surface is adjacent with ambient atmosphere, the glass back of the body
The inner surface of plate is contacted with packaging adhesive film.
3. glass photovoltaic modulies as claimed in claim 2 double, it is characterised in that the reflecting layer is aluminium coated, and its thickness is
10-30 μm, the thickness of the back-panel glass is 2.0-5.0mm.
4. glass photovoltaic modulies as claimed in claim 3 double, it is characterised in that the reflecting layer is distributed only in back-panel glass
The region that surface is not covered by photovoltaic cell.
5. a kind of photovoltaic back glass, it is characterised in that the back-panel glass includes glass baseplate and is formed at the glass base
Reflecting layer on the outside of material.
6. photovoltaic back glass as claimed in claim 5, it is characterised in that the glass baseplate has inner surface and appearance
Face, it is thickness that the reflecting layer is formed at the outer surface of the glass baseplate, and the reflecting layer by magnetron sputtering technique
The aluminium coated of 10-30 μm of degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621092861.8U CN206194757U (en) | 2016-09-29 | 2016-09-29 | Photovoltaic back sheet glass and dual -glass photovoltaic assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621092861.8U CN206194757U (en) | 2016-09-29 | 2016-09-29 | Photovoltaic back sheet glass and dual -glass photovoltaic assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206194757U true CN206194757U (en) | 2017-05-24 |
Family
ID=58730248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621092861.8U Active CN206194757U (en) | 2016-09-29 | 2016-09-29 | Photovoltaic back sheet glass and dual -glass photovoltaic assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206194757U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113897100A (en) * | 2021-10-29 | 2022-01-07 | 苏州福斯特光伏材料有限公司 | Glass coating film, glass applying coating film and photovoltaic module |
-
2016
- 2016-09-29 CN CN201621092861.8U patent/CN206194757U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113897100A (en) * | 2021-10-29 | 2022-01-07 | 苏州福斯特光伏材料有限公司 | Glass coating film, glass applying coating film and photovoltaic module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | "change of name, title or address" | ||
| CP03 | "change of name, title or address" |
Address after: No. 199, deer mountain road, Suzhou high tech Zone, Jiangsu Province Patentee after: Atlas sunshine Power Group Co.,Ltd. Patentee after: Changshu Artes Sunshine Power Technology Co.,Ltd. Address before: No. 199, deer mountain road, Suzhou high tech Zone, Jiangsu Province Patentee before: CSI SOLAR POWER GROUP Co.,Ltd. Patentee before: Changshu Artes Sunshine Power Technology Co.,Ltd. |