CN206301811U - Photovoltaic module - Google Patents
Photovoltaic module Download PDFInfo
- Publication number
- CN206301811U CN206301811U CN201621360201.3U CN201621360201U CN206301811U CN 206301811 U CN206301811 U CN 206301811U CN 201621360201 U CN201621360201 U CN 201621360201U CN 206301811 U CN206301811 U CN 206301811U
- Authority
- CN
- China
- Prior art keywords
- cover
- plate glass
- photovoltaic module
- photovoltaic
- backboard
- 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.)
- Expired - Fee Related
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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
- Y02E10/52—PV systems with concentrators
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- Photovoltaic Devices (AREA)
Abstract
The utility model provides a kind of photovoltaic module, including the cover-plate glass, photovoltaic cell string and the backboard that from top to bottom set gradually, the photovoltaic cell string is located between the cover-plate glass and backboard, the cover-plate glass is provided with the top surface and the basal surface towards the photovoltaic cell string abutted with ambient atmosphere, and the basal surface is arc-shaped concave.The utility model is arranged to arc-shaped concave by by the basal surface of cover-plate glass, constitutes concavees lens structure, so that the reflected light of reflectorized material has preferable disperse function in centering cavity, significantly reduces glare.
Description
Technical field
The utility model is related to field of photovoltaic power generation, more particularly to a kind of photovoltaic module.
Background technology
Common photovoltaic module it is main by glass cover-plate, upper strata glued membrane, photovoltaic cell, concatenation photovoltaic cell weldering
The parts such as band, lower floor's glued membrane and backboard are from top to bottom set gradually, then an entirety is formed by the lamination of laminating machine, are turned into
Complete photovoltaic module.In order to improve photoelectric transformation efficiency, cell piece is set to capture more light, at present on the market some
Photovoltaic module employs reflective technology, for example, reflective solder strip or setting reflection plaster on the white space of photovoltaic component back plate
Film, the power of photovoltaic module is improved with this, but problems faced is component glare problem.
Utility model content
In view of this, the utility model provides a kind of photovoltaic module, to improve the glare problem of photovoltaic module.
Specifically, the utility model is achieved by the following technical solution：A kind of photovoltaic module, including from top to bottom according to
The cover-plate glass of secondary setting, photovoltaic cell string and backboard, the photovoltaic cell string are located between the cover-plate glass and backboard, institute
State cover-plate glass and be provided with the top surface and the basal surface towards the photovoltaic cell string abutted with ambient atmosphere, the basal surface is
Arc-shaped concave.
Further, it is formed between the cover-plate glass and backboard and indifferent gas is filled with middle cavity, the middle cavity
Body, and the air pressure of the inert gas is more than external atmosphere pressure.
Further, the arc-shaped concave extends from the edge of the cover-plate glass to the middle position of cover-plate glass,
Thickness of the two-end thickness of the cover-plate glass more than cover-plate glass central position.
Further, the thickness at the cover-plate glass two ends is the maximum gauge of cover-plate glass, specially 3-4mm；It is described
The thickness of the middle position of cover-plate glass is the minimum thickness of cover-plate glass, specially 2-3mm.
Further, the backboard is provided with flat outer surface and flat inner surface, and the inner surface is provided with bonding
The sandwich rubber of the photovoltaic cell string.
Further, the photovoltaic cell string include some cell pieces and connection cell piece welding, the sandwich rubber with
The back side of the cell piece bonds, and the shape of sandwich rubber is identical with cell piece but size is less than the cell piece.
Further, the formula of the radius of curvature R of the arc-shaped concave is：R=(L2+ 1.44)/2.4, wherein, L is institute
State the length of cover-plate glass.
Further, the photovoltaic module also includes the sealing joint strip being arranged between cover-plate glass and backboard, described close
Surrounding of the seal strip around the photovoltaic cell string.
The utility model is arranged to arc-shaped concave by by the basal surface of cover-plate glass, concavees lens structure is constituted, so that right
The reflected light of reflectorized material has preferable disperse function in middle cavity, significantly reduces glare.
Brief description of the drawings
Fig. 1 is the structural representation of photovoltaic module described in the utility model.
Fig. 2 is the paths schematic diagram of the cover-plate glass of photovoltaic module described in the utility model.
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, the utility model discloses a kind of photovoltaic module, including the cover-plate glass for from top to bottom setting gradually
The photovoltaic cell string 20 is sealed in internal sky by the 10th, photovoltaic cell string 20 and backboard 30, the cover-plate glass 10 and backboard 30
It is interior.The detailed construction of foregoing all parts is illustrated in detail below.
The cover-plate glass 10 have top surface 11 and basal surface 12, wherein, the top surface 11 be a tabular surface, its with
Air is abutted, and the basal surface 12 is an arc-shaped concave protruded out towards the top surface 11, and the arc-shaped concave is from the lid
The edge of glass sheet 10 extends to the middle position of cover-plate glass 10, and moves closer to the top surface 11, new in this practicality
In type preferred embodiment, the two-end thickness of the cover-plate glass 10 is more than the thickness at the other positions of cover-plate glass 10, the lid
The thickness H at the two ends of glass sheet 10 is the maximum gauge of cover-plate glass 10, and the thickness is 3-4mm, preferably 3-3.5mm, the lid
The thickness of the middle position of glass sheet 10 is the minimum thickness of cover-plate glass 10, and the thickness is 2-3mm, preferably 2-2.5mm.Separately
Outward, the arc-shaped concave is by particular design, the thickness and intensity of cover-plate glass 10 need to be considered during design, is manufactured
The factors such as difficulty, the effect of anti-dazzle, the design formula of the radius of curvature R of the arc-shaped concave is：R=(L2+ 1.44)/2.4,
Wherein, L is the length of cover-plate glass 10, and experiment shows the performance of the concave surface each side of such design preferably, is adapted to a large amount of productions
And application.
The photovoltaic cell string 20 is arranged between cover-plate glass 10 and backboard 30, and it includes some cell pieces 21 and connection
The welding 22 of cell piece 21, the welding 22 is that reflective solder strip, the i.e. surface of welding 22 are reflective structure or post reflexed light film.Institute
State and middle cavity 23 is formed between cover-plate glass 10 and backboard 30, cavity 23 is used to accommodate the photovoltaic cell string 20 in this, and
Inert gas is filled with middle cavity 23.Compared to by the way of two-layer packaging adhesive film, this practicality is new in existing photovoltaic module
Type cavity 23 in accommodates photovoltaic cell string 20, thus eliminates laminating technology, can greatly simplify production process.Certainly,
Due to the positioning lacked photovoltaic cell string 20 is influenceed of packaging adhesive film, thus the utility model is in the dorsal part of the cell piece 21
Sandwich rubber 24 is provided with, the back side of cell piece 21 is fixed on backboard 30 by sandwich rubber 24, so as to realize cell piece 21
Position positions, and may also function as cushioning effect, in addition, the air pressure (being more than external atmosphere pressure) of the inert gas in the middle cavity 23
The effect of self-contained battery piece 21 is may also function as, and the shape of the sandwich rubber 24 can be with strip, or bulk (with cell piece
Shape is identical), its size is less than cell piece 21, and it can be set in advance on backboard 30.
It is noted that the air-tightness in order to increase the middle cavity 23, photovoltaic module described in the utility model is also wrapped
Include the sealing joint strip 25 being arranged between cover-plate glass 10 and backboard 30, the sealing joint strip 25 is around the middle cavity 23
Surrounding, reaches intact sealing effectiveness, steam, dust can be avoided to enter the middle cavity 23, prevented also from middle cavity 23
Inert gas leaks.
The backboard 30 is provided with flat outer surface 31 and flat inner surface 32, and the outer surface 31 abuts with air,
The inner surface 32 is abutted with the middle cavity 23, and the thickness of the backboard 30 is uniformly arranged, and preferably implements in the utility model
In example, the backboard 30 is transparent glass plate, and it collectively forms a pair of glass photovoltaic module with the cover-plate glass 10.
In sum, the utility model is arranged to arc-shaped concave by by the basal surface 12 of cover-plate glass 10 so that cover plate
Glass 10 constitute a concavees lens structure, thus the reflectorized material (reflective solder strip 22, reflexed light film) in centering cavity 23 reflection
Light has preferable disperse function, as shown in Fig. 2 significantly reducing glare.Simultaneously as using middle cavity 23, remove from
The operations such as installation packaging adhesive film, lamination, simplify manufacturing process.
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 (8)
1. a kind of photovoltaic module, including cover-plate glass, photovoltaic cell string and the backboard for from top to bottom setting gradually, the photovoltaic electric
Pond displacement is between the cover-plate glass and backboard, it is characterised in that the cover-plate glass is provided with the top abutted with ambient atmosphere
Surface and the basal surface towards the photovoltaic cell string, the basal surface are arc-shaped concave.
2. photovoltaic module as claimed in claim 1, it is characterised in that be formed between the cover-plate glass and backboard hollow
Inert gas is filled with chamber, the middle cavity, and the air pressure of the inert gas is more than external atmosphere pressure.
3. photovoltaic module as claimed in claim 2, it is characterised in that the arc-shaped concave is from the edge of the cover-plate glass
Extend to the middle position of cover-plate glass, the thickness of the two-end thickness more than cover-plate glass central position of the cover-plate glass.
4. photovoltaic module as claimed in claim 3, it is characterised in that the thickness at the cover-plate glass two ends is cover-plate glass
Maximum gauge, specially 3-4mm；The thickness of the middle position of the cover-plate glass is the minimum thickness of cover-plate glass, specially
2-3mm。
5. photovoltaic module as claimed in claim 4, it is characterised in that the backboard is provided with flat outer surface and flat interior
Surface, the inner surface is provided with the sandwich rubber for bonding the photovoltaic cell string.
6. photovoltaic module as claimed in claim 5, it is characterised in that the photovoltaic cell string includes some cell pieces and connection
The welding of cell piece, the back side of the sandwich rubber and the cell piece bonds, and sandwich rubber shape is identical with cell piece but chi
It is very little less than the cell piece.
7. the photovoltaic module as described in any one in claim 1 to 6, it is characterised in that the curvature of the arc-shaped concave
The formula of radius R is：R=(L2+ 1.44)/2.4, wherein, L is the length of the cover-plate glass.
8. photovoltaic module as claimed in claim 1, it is characterised in that the photovoltaic module also include being arranged at cover-plate glass and
Sealing joint strip between backboard, surrounding of the sealing joint strip around the photovoltaic cell string.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621360201.3U CN206301811U (en) | 2016-12-12 | 2016-12-12 | Photovoltaic module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621360201.3U CN206301811U (en) | 2016-12-12 | 2016-12-12 | Photovoltaic module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206301811U true CN206301811U (en) | 2017-07-04 |
Family
ID=59213552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621360201.3U Expired - Fee Related CN206301811U (en) | 2016-12-12 | 2016-12-12 | Photovoltaic module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206301811U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108231841A (en) * | 2017-12-29 | 2018-06-29 | 深圳市华星光电技术有限公司 | OLED display device and preparation method |
| CN108231929A (en) * | 2016-12-12 | 2018-06-29 | 阿特斯阳光电力集团有限公司 | Photovoltaic module |
| CN108838507A (en) * | 2018-06-28 | 2018-11-20 | 北京铂阳顶荣光伏科技有限公司 | A kind of welding method of busbar |
-
2016
- 2016-12-12 CN CN201621360201.3U patent/CN206301811U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108231929A (en) * | 2016-12-12 | 2018-06-29 | 阿特斯阳光电力集团有限公司 | Photovoltaic module |
| CN108231841A (en) * | 2017-12-29 | 2018-06-29 | 深圳市华星光电技术有限公司 | OLED display device and preparation method |
| CN108838507A (en) * | 2018-06-28 | 2018-11-20 | 北京铂阳顶荣光伏科技有限公司 | A kind of welding method of busbar |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: CANADIAN SOLAR MANUFACTURING (CHANGSHU) Inc. Address before: No. 199, deer mountain road, Suzhou high tech Zone, Jiangsu Province Patentee before: CSI SOLAR POWER GROUP Co.,Ltd. Patentee before: CANADIAN SOLAR MANUFACTURING (CHANGSHU) Inc. |
|
| CP03 | Change of name, title or address | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170704 Termination date: 20211212 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |