CN210429839U - Double-glass photovoltaic assembly and photovoltaic device comprising same - Google Patents
Double-glass photovoltaic assembly and photovoltaic device comprising same Download PDFInfo
- Publication number
- CN210429839U CN210429839U CN201921110281.0U CN201921110281U CN210429839U CN 210429839 U CN210429839 U CN 210429839U CN 201921110281 U CN201921110281 U CN 201921110281U CN 210429839 U CN210429839 U CN 210429839U
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- China
- Prior art keywords
- glass
- sealing ring
- photovoltaic
- dual
- thin film
- 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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- 239000011521 glass Substances 0.000 title claims abstract description 79
- 238000007789 sealing Methods 0.000 claims abstract description 76
- 239000010409 thin film Substances 0.000 claims description 17
- 230000009977 dual effect Effects 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 229920002635 polyurethane Polymers 0.000 claims description 6
- 239000004814 polyurethane Substances 0.000 claims description 6
- 239000004065 semiconductor Substances 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 5
- 229920005549 butyl rubber Polymers 0.000 claims description 5
- -1 GaAs compound Chemical class 0.000 claims description 3
- 229910001218 Gallium arsenide Inorganic materials 0.000 claims description 3
- KTSFMFGEAAANTF-UHFFFAOYSA-N [Cu].[Se].[Se].[In] Chemical compound [Cu].[Se].[Se].[In] KTSFMFGEAAANTF-UHFFFAOYSA-N 0.000 claims description 3
- 229920005672 polyolefin resin Polymers 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 239000003822 epoxy resin Substances 0.000 claims description 2
- 229920000647 polyepoxide Polymers 0.000 claims description 2
- 239000005341 toughened glass Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000002035 prolonged effect Effects 0.000 description 3
- 238000002834 transmittance Methods 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 239000005038 ethylene vinyl acetate Substances 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 1
- 229920002037 poly(vinyl butyral) polymer Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000005336 safety glass Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
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
Landscapes
- Photovoltaic Devices (AREA)
Abstract
The utility model relates to a photovoltaic field, specificly relate to a dual-glass photovoltaic module and contain its photovoltaic device. The double-glass photovoltaic assembly comprises two glass panels and a sealing layer which is positioned between the two glass panels and is sealed with a photovoltaic cell; and a waterproof sealing ring and a structural sealing ring are sequentially arranged between the glass panels along the circumferential direction of the sealing layer from inside to outside. Can solve current waterproof sealing washer through setting up the structure sealing washer and easily with the glass layering under long-time dynamic load uses the scene, and then influence the problem of its leakproofness, and then improve dual-glass photovoltaic module's life.
Description
Technical Field
The utility model relates to a photovoltaic field especially relates to a dual-glass photovoltaic module and contain its photovoltaic device.
Background
Double-glass photovoltaic module is because double-sided encapsulation panel all adopts toughened glass, consequently, double-glass photovoltaic module has stronger bearing capacity, can be applied to in various buildings, for example in curtain or the laying of outside view ground etc..
At present, current dual-glass photovoltaic module, in order to prevent the infiltration of steam, often the edge between two glass panels sets up waterproof sealing circle. However, the waterproof effect of the current waterproof sealing ring is good due to the specific material, but the adhesion with the glass and the volume size retention of the waterproof sealing ring are poor. When glass receives mechanical loads such as long-time wind load, trample, roll and takes place to deform, waterproof sealing washer takes place to break away from the layering very easily with glass, leads to its water-proof effects to become invalid, and then influences photovoltaic module's life. Meanwhile, the material rigidity of the waterproof sealing ring is poor, so that the technical requirement of high dynamic bearing capacity cannot be met.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a dual-glass photovoltaic module to solve above-mentioned technical problem or solve above-mentioned technical problem at least partially.
A double-glass photovoltaic assembly comprises two glass panels and a sealing layer which is positioned between the two glass panels and is sealed with a photovoltaic cell;
and a waterproof sealing ring and a structural sealing ring are sequentially arranged between the glass panels along the circumferential direction of the sealing layer from inside to outside.
Further, the material of the structural sealing ring is selected from any one of modified polyolefin resin, organic silicon, polyurethane, epoxy resin and polyurethane.
Further, the width of the structural sealing ring is 5-10 mm.
Furthermore, the water vapor transmission rate of the sealing ring with the structure is less than 5 g/(m)2*day)。
Further, the waterproof sealing ring is a butyl rubber waterproof sealing ring.
Further, the width of waterproof sealing ring is 6-12 mm.
Further, the photovoltaic cell is a thin film solar cell.
Further, the thin film solar cell includes a copper indium gallium selenide thin film solar cell, a perovskite thin film solar cell, an organic semiconductor thin film solar cell or a GaAs compound semiconductor thin film solar cell.
A photovoltaic device, includes the utility model discloses a dual-glass photovoltaic module.
The utility model provides an above-mentioned technical scheme compares with prior art and has following advantage:
the utility model provides a double-glass photovoltaic module, including two glass panels and the sealing layer that contains photovoltaic cell that is located between two glass panels, the periphery along this sealing layer is equipped with waterproof sealing washer and structural seal circle in proper order. For traditional dual-glass photovoltaic module, the utility model provides a dual-glass photovoltaic module adds in the outside of original waterproof sealing washer in other words and has established round structure sealing washer. Because the structure sealing washer has high cohesive force between its and glass, and the material itself has higher intensity supporting role, be equivalent to having set up a protective cradle in the outside of waterproof sealing washer, in addition the sealing layer also can bear certain load, thus, be equivalent to placing waterproof sealing washer in a relatively stable space, can effectively resist the extrusion to waterproof sealing washer when glass pressurized, thereby can effectively avoid its pressurized emergence deformation back and glass separation, and then improved two glass photovoltaic module's vapour proof ability, the service life of the double-glass photovoltaic module is prolonged.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
Fig. 1 is a schematic structural view of a dual-glass photovoltaic module according to an embodiment of the present invention;
fig. 2 is a schematic cross-sectional view of the structure shown in fig. 1 according to the present invention.
In the figure: 10-a glass panel; 20-a sealing layer; 21-a photovoltaic cell; 30-waterproof sealing ring; 40-structural sealing ring.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The utility model discloses a double-glass photovoltaic module of an embodiment, as shown in fig. 1 and fig. 2, comprises two glass panels 10 and a sealing layer 20 which is positioned between the two glass panels 10 and is sealed with a photovoltaic cell 21;
and a waterproof sealing ring 30 and a structural sealing ring 40 are sequentially arranged between the two glass panels 10 along the circumferential direction of the sealing layer 20 from inside to outside.
Note that the inside-out direction refers to the direction from the photovoltaic cell to the edge of the glass panel. I.e. the inner refers to the direction in which the photovoltaic cells are located and the outer refers to the direction in which the edges of the glass panel are located.
The utility model provides a double-glass photovoltaic module, including two glass panels and the sealing layer that contains photovoltaic cell that is located between two glass panels, the periphery along this sealing layer is equipped with waterproof sealing washer and structural seal circle in proper order. For traditional dual-glass photovoltaic module, the utility model provides a dual-glass photovoltaic module adds in the outside of original waterproof sealing washer in other words and has established round structure sealing washer. Because the structure sealing washer has high cohesive force between its and glass, and the material itself has higher intensity supporting role, be equivalent to having set up a protective cradle in waterproof sealing washer's outside, in addition the sealing layer also can bear certain load, thus, be equivalent to placing waterproof sealing washer in a space more firm relatively, can effectively resist the extrusion to waterproof sealing washer when glass pressurized, thereby can effectively avoid its pressurized emergence deformation back and glass layering, and then improved dual-glass photovoltaic module's waterproof vapour proof ability, the service life thereof is prolonged.
One as the upper glass panel and one as the lower glass panel. The upper glass panel is a light receiving surface, and the lower glass panel is a backlight surface.
The upper glass panel is used as the front glass and is made of ultra-white anti-skid toughened glass or laminated safety glass made of the ultra-white anti-skid toughened glass.
Go up the glass panels thickness between 5mm ~ 20mm in the utility model discloses in the further preferred embodiment, go up glass panels and use 8mm thickness's super white anti-skidding toughened glass, visible light transmission is more than or equal to 86%.
The lower glass panel can adopt the super white toughened glass, the utility model discloses the super white toughened glass of 8mm thickness is used to the lower glass panel.
The toughened glass not only provides good light transmittance for the assembly, but also has the effects of isolating water vapor, bearing impact resistance and the like.
Toughened glass is used as the upper glass panel and the lower glass panel, so that extremely high water vapor resistance and high dynamic load bearing capacity are provided for the assembly.
The photovoltaic cells packaged in the sealing layer are cell strings which are connected with bus strips and bypass diodes, can be combined in a parallel connection mode, a series-parallel connection mode, a parallel combination mode and the like at will, and the designed range of output voltage and current is wide.
The photovoltaic cell may be a thin film solar cell, including but not limited to a copper indium gallium selenide thin film solar cell, a perovskite thin film solar cell, an organic semiconductor thin film solar cell, a GaAs compound semiconductor thin film solar cell, and the like.
The sealing layer can be made of ethylene-vinyl acetate copolymer, polyvinyl butyral resin, polyolefin materials and modified substances thereof, organic silicon, polyurethane and the like, has visible light transmittance of more than 85 percent and sufficiently low water vapor transmittance, and has the thickness of 0.2 mm-3.2 mm.
In this embodiment, the structural seal ring is to have a certain adhesion with glass and good hot workability to facilitate sealing of the assembly; at the same time, there is a need for lower water absorption, hydrolysis resistance and lower water vapor transmission, e.g., structural seals having a water vapor transmission of less than 5g/(m2 day).
In this embodiment, the structural seal ring is a modified polyolefin resin seal ring. Specifically, the structure sealing washer can be POE sealing washer, modified POE sealing washer or organic silica gel sealing washer, polyurethane sealing washer.
In order to further ensure the bonding effect between the structural sealing ring and the glass panel, the width of the structural sealing ring is 5-10 mm.
The waterproof sealing ring in this embodiment is a butyl rubber waterproof sealing ring. The waterproof effect of butyl rubber waterproof sealing ring is better, and the adoption butyl rubber waterproof sealing ring can prevent effectively that steam from getting into inside the photovoltaic module.
In order to ensure the waterproof effect, the width of the waterproof sealing ring is set to be 6-12 mm.
To sum up, the utility model provides a double-glass photovoltaic module has satisfied the requirement of water-fast vapour and resistant higher dynamic bearing capacity simultaneously under the dual function of waterproof sealing washer and structural seal circle. Wherein the high dynamic bearing capacity is obtained from the combined action of the glass panel, the sealing layer and the structural sealing ring.
The double containment structure has produced further promotion effect to double glass photovoltaic module's steam leakproofness, has increased two sealings in other words, has prolonged photovoltaic module's life.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The foregoing are merely exemplary embodiments of the present invention, which enable those skilled in the art to understand or practice the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. A double-glass photovoltaic assembly is characterized by comprising two glass panels and a sealing layer which is positioned between the two glass panels and is sealed with a photovoltaic cell;
and a waterproof sealing ring and a structural sealing ring are sequentially arranged between the glass panels along the circumferential direction of the sealing layer from inside to outside.
2. The dual-glass photovoltaic assembly according to claim 1, wherein the structural sealing ring is made of any one of modified polyolefin resin, organic silicon, polyurethane, epoxy resin and polyurethane.
3. The dual glass photovoltaic assembly of claim 2, wherein the structural sealing ring has a width of 5-10 mm.
4. The dual glass photovoltaic assembly of any of claims 1-3, wherein the structural seal ring has a water vapor transmission rate of less than 5 g/(m)2*day)。
5. The dual glass photovoltaic assembly of any one of claims 1-3, wherein the waterproof sealing ring is a butyl rubber-based waterproof sealing ring.
6. The dual glass photovoltaic assembly of claim 5, wherein the width of the waterproof sealing ring is 6-12 mm.
7. The dual glass photovoltaic assembly of any one of claims 1-3, wherein the photovoltaic cell is a thin film solar cell.
8. The dual glass photovoltaic assembly of claim 7, wherein the thin film solar cell comprises a copper indium gallium selenide thin film solar cell, a perovskite thin film solar cell, an organic semiconductor thin film solar cell, or a GaAs compound semiconductor thin film solar cell.
9. A photovoltaic device comprising the dual glass photovoltaic module of any of claims 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921110281.0U CN210429839U (en) | 2019-07-15 | 2019-07-15 | Double-glass photovoltaic assembly and photovoltaic device comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921110281.0U CN210429839U (en) | 2019-07-15 | 2019-07-15 | Double-glass photovoltaic assembly and photovoltaic device comprising same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210429839U true CN210429839U (en) | 2020-04-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921110281.0U Expired - Fee Related CN210429839U (en) | 2019-07-15 | 2019-07-15 | Double-glass photovoltaic assembly and photovoltaic device comprising same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210429839U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111900223A (en) * | 2020-08-21 | 2020-11-06 | 北京绿兴能源科技有限公司 | Flexible double-sided composite folding solar cell and preparation method thereof |
| AU2020277176B1 (en) * | 2020-11-02 | 2022-02-03 | Jinko Solar Co., Ltd. | Photovoltaic module |
-
2019
- 2019-07-15 CN CN201921110281.0U patent/CN210429839U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111900223A (en) * | 2020-08-21 | 2020-11-06 | 北京绿兴能源科技有限公司 | Flexible double-sided composite folding solar cell and preparation method thereof |
| AU2020277176B1 (en) * | 2020-11-02 | 2022-02-03 | Jinko Solar Co., Ltd. | Photovoltaic module |
| US11355660B2 (en) | 2020-11-02 | 2022-06-07 | Zhejiang Jinko Solar Co., Ltd. | Photovoltaic module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210430 Address after: 518000 Room 201, building A, No. 1, Qian Wan Road, Qianhai Shenzhen Hong Kong cooperation zone, Shenzhen, Guangdong (Shenzhen Qianhai business secretary Co., Ltd.) Patentee after: Hongyi Technology Co.,Ltd. Address before: Room 107, building 2, Olympic Village street, Chaoyang District, Beijing Patentee before: HANERGY MOBILE ENERGY HOLDING GROUP Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200428 |