CN202067807U - Photovoltaic assembly designed by vacuum negative pressure maintenance method - Google Patents
Photovoltaic assembly designed by vacuum negative pressure maintenance method Download PDFInfo
- Publication number
- CN202067807U CN202067807U CN2011200829416U CN201120082941U CN202067807U CN 202067807 U CN202067807 U CN 202067807U CN 2011200829416 U CN2011200829416 U CN 2011200829416U CN 201120082941 U CN201120082941 U CN 201120082941U CN 202067807 U CN202067807 U CN 202067807U
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- cell sheet
- photovoltaic cell
- utility
- photovoltaic
- backboard
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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
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The embodiment discloses a photovoltaic assembly designed by a vacuum negative pressure maintenance method, wherein the photovoltaic assembly includes a vitreous layer, a photovoltaic cell sheet set and a protective backboard. The protective backboard is provided with a sealing ring and a gas nozzle, and the sealing ring is sealingly sleeved at the periphery of the vitreous layer and photovoltaic cell sheet set. In the embodiment of the utility model, the protective backboard with a sealing ring is sleevingly provided at the periphery of the vitreous layer and photovoltaic cell sheet set; the technology scheme is applied that air between the vitreous layer, the photovoltaic cell sheet set and the protective backboard is extracted, thus the vitreous layer and the photovoltaic cell sheet set are tightly contacted with the protective backboard; in the embodiment of the utility model, the glue membrane formed by polyethylene foamed plastic (or polyvinyl butyral) is not required applied in the prior technology, thus the problem does not exist that the accurate thickness of the photovoltaic assembly cannot be maintained after heat lamination caused in that the glue membrane possesses elasticity.
Description
Technical field
The utility model relates to technical field of solar, more particularly, relates to a kind of photovoltaic module that utilizes the design of negative pressure of vacuum maintenance method.
Background technology
The encapsulation process of conventional photovoltaic assembly is; with glass; low polyethylene foamed foamed plastics (or polyvinyl butyral resin); the photovoltaic cell sheet that connection in series-parallel is welded; low polyethylene foamed foamed plastics (or polyvinyl butyral resin) and this five material of protection backboard; successively lay successively finish after; enter apply uniform temperature in the heat-laminator after; utilize the glued membrane meltbility after low polyethylene foamed foamed plastics (or polyvinyl butyral resin) is met the laminating machine heating; make glass; low polyethylene foamed foamed plastics (or polyvinyl butyral resin) glued membrane of fusion; the battery sheet; the protection backboard bonds together firmly, promptly forms the photovoltaic module product with integrality after cooling curing frames up.
The advantage of this technology is to utilize the heat fusing technology of glued membrane, and these materials are bonded into as a whole photovoltaic module securely; Its weak point is; adopt the bonding packaging technology of low polyethylene foamed foamed plastics (or polyvinyl butyral resin) glued membrane of fusion; the photovoltaic cell sheet is clipped between watch crystal and the protection backboard by glued membrane; glue-line with fusion is combined battery sheet and backboard; because it is aging gradually that the increase of the thickness of glue-line and glue-line are subjected under the various natural conditions; influences such as variable color; photovoltaic module can and then influence generating efficiency along with the glued membrane influence; photovoltaic module is in the heat lamination encapsulation process; the glue of fusion has certain fluidity and impact, can't keep the precise thickness of photovoltaic module after the heat lamination.
In addition, having mobile fusion glue can lay the position accurately to the photovoltaic cell sheet group that connection in series-parallel is formed and impact; Easy photovoltaic cell sheet to fragility, welding etc. cause the impact of fluid, make the photovoltaic cell sheet be easy to generate cracked, welding generation displacement.
In addition, prior art is in the encapsulation process of photovoltaic module, owing to need to use heat-laminator that the photovoltaic cell sheet is applied higher temperature, the temperature of high-temperature fusion glued membrane also may cause the photovoltaic cell sheet to damage or influence the useful life of photovoltaic cell sheet.
The utility model content
In view of this, the utility model embodiment provides a kind of photovoltaic module that utilizes the design of negative pressure of vacuum maintenance method, the purpose of the precise thickness of photovoltaic module after can keeping assembling with realization.
The utility model embodiment is achieved in that
A kind of photovoltaic module that utilizes the design of negative pressure of vacuum maintenance method comprises:
Glassy layer, photovoltaic cell sheet group and protection backboard;
Described protection backboard is provided with sealing ring and valve, airtight described glassy layer and the described photovoltaic cell sheet group periphery of being set in of described sealing ring.
Preferably, in the utility model embodiment, described protection backboard is an elastomeric material.
From above-mentioned technical scheme as can be seen, in the utility model embodiment, be set in glassy layer, photovoltaic cell sheet group periphery by the protection backboard that will be provided with sealing ring, and the technical scheme of the air between extraction glassy layer, photovoltaic cell sheet group and the protection backboard, thereby glassy layer, photovoltaic cell sheet group and protection backboard are fit together closely; Because in the utility model embodiment, do not need in the prior art used, the glued membrane that is formed by low polyethylene foamed foamed plastics (or polyvinyl butyral resin) is not so can cause the problem that can't keep the precise thickness of photovoltaic module after the heat lamination because glued membrane has elasticity.
In addition, owing to do not have glued membrane among the utility model embodiment, so thereby can be as can laying the position accurately to the photovoltaic cell sheet group that connection in series-parallel is formed and impact because glued membrane has flowability in the prior art yet; Thereby can better protection photovoltaic cell sheet and welding thereof.
In addition, the utility model embodiment is not owing to needing to use heat-laminator that the photovoltaic cell sheet is applied higher temperature, so can not cause the photovoltaic cell sheet to damage or influence the useful life of photovoltaic cell sheet because of the temperature of high-temperature fusion glued membrane yet.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation that utilizes the photovoltaic module of negative pressure of vacuum maintenance method design described in the utility model embodiment;
Fig. 2 is the another structural representation that utilizes the photovoltaic module of negative pressure of vacuum maintenance method design described in the utility model embodiment;
Fig. 3 is the packaging technology flow chart that utilizes the photovoltaic module of negative pressure of vacuum maintenance method design described in the utility model embodiment.
Embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
For the purpose of the precise thickness of the photovoltaic module after realizing can guaranteeing to assemble, the utility model embodiment provides a kind of photovoltaic module that utilizes the design of negative pressure of vacuum maintenance method, as shown in Figure 1, comprising: glassy layer 1, photovoltaic cell sheet group 2 and protection backboard 3; Described protection backboard establishes 3 sealing ring 5 and valve 4, described sealing ring 5 airtight described glassy layer 1 and described photovoltaic cell sheet group 2 peripheries of being set in.
Because in the prior art, need be between glassy layer and photovoltaic cell sheet group, and, between photovoltaic cell sheet group and protection backboard, all use the glued membrane that forms by low polyethylene foamed foamed plastics (or polyvinyl butyral resin) to carry out bonding; And glued membrane itself can have elasticity, so can make the precise thickness that can't keep photovoltaic module after the heat lamination.For this reason, in the technical scheme that the utility model embodiment is adopted, do not re-use glued membrane; but with sheathed sealing ring between glassy layer, photovoltaic cell sheet group and the protection backboard; then, by the valve on the sealing ring, with the air after the sealing; promptly; air is extracted out between air between glassy layer and the volt battery sheet group and photovoltaic cell sheet group and the protection backboard, like this, and as shown in Figure 2; by the pressure of atmosphere, glassy layer 1, photovoltaic cell sheet group 2 and protection backboard 3 can be fit together closely.Like this, will be installed to by glassy layer 1, photovoltaic cell sheet group 2 and the protection backboard 3 that sealing ring 5 is set-located again and install in the frame, promptly can be assembled into complete photovoltaic module finished product.
Because in the utility model embodiment, do not need in the prior art used, the glued membrane that is formed by low polyethylene foamed foamed plastics (or polyvinyl butyral resin) is not so can cause the problem that can't keep the precise thickness of photovoltaic module after the heat lamination because glued membrane has elasticity.
In addition, owing to do not have glued membrane among the utility model embodiment, so thereby can be as can laying the position accurately to the photovoltaic cell sheet group that connection in series-parallel is formed and impact because glued membrane has flowability in the prior art yet; Thereby can better protection photovoltaic cell sheet and welding thereof.
In addition, the packaging technology of the photovoltaic module among the utility model embodiment is in normal temperature environment, adopt the technical scheme that extracts the air in the sealing ring, do not resemble prior art and need use heat-laminator that the photovoltaic cell sheet is applied higher temperature, so can not cause the photovoltaic cell sheet to damage or influence the useful life of photovoltaic cell sheet yet because of the temperature of high-temperature fusion glued membrane.Simultaneously, the existence owing to there not being air between glassy layer, photovoltaic cell sheet group, the protection backboard so the photovoltaic cell sheet is not easy to produce oxidative phenomena, thereby has prolonged the useful life of photovoltaic module integral body.
In addition, owing in the utility model embodiment, cancelled the use of low polyethylene foamed foamed plastics (or polyvinyl butyral resin), not only saved the cost of material, and, also saved the use of expensive laminating machine thus, so also saved equipment cost.
In addition, in the prior art, owing between glassy layer, photovoltaic cell group and the protection backboard glued membrane of bonding usefulness is arranged, and make separation costs too high, and also the natural degradation speed of glued membrane own is extremely slow, so also can damage to environment.And after the photovoltaic module in the utility model embodiment scrapping, can open valve glassy layer, photovoltaic cell group and protection backboard are separated, and then the material after separating can be reused by removing frame.
Further, in the utility model embodiment, the selected material of protection backboard can also be an elastomeric material.Thereby make by in the process of valve extracting air, protect backboard can contact and be adjacent to photovoltaic cell sheet group fully, and then can play the better protection effect photovoltaic cell sheet group.
In addition, the utility model embodiment also provides a kind of packaging technology of utilizing the photovoltaic module of negative pressure of vacuum maintenance method design, comprises step:
S11, lay glassy layer, photovoltaic cell sheet group and be provided with sealing ring and the protection backboard of valve successively;
In the utility model embodiment, cancelled the technical scheme that the glued membrane that is formed by low polyethylene foamed foamed plastics (or polyvinyl butyral resin) used in the prior art comes bonding glassy layer, photovoltaic cell sheet group and protection backboard.
S12, be set in outside described glassy layer and the described photovoltaic cell sheet group sealing ring is airtight;
For glassy layer, photovoltaic cell sheet group and protection backboard being fixed together; the utility model embodiment has utilized the principle of air negative pressure; glassy layer, photovoltaic cell sheet group and protection backboard is airtight by sealing ring; thereby can be by the valve on the sealing ring; can use vacuum pump that the air between glassy layer, photovoltaic cell sheet group and the protection backboard is extracted out; like this, glassy layer, photovoltaic cell sheet group and protection backboard will be adjacent to together under the pressure of negative pressure of vacuum.Concrete, in the utility model embodiment, the air that extracts between described glassy layer, described photovoltaic cell sheet group and the described protection backboard is between the 10-3mmHg to 10-7mmHg to vacuum degree.
S13, extract air between described glassy layer, described photovoltaic cell sheet group and the described protection backboard, described glassy layer, described photovoltaic cell sheet group and described protection backboard are adjacent to by described valve.
Because in the utility model embodiment, do not need in the prior art used, the glued membrane that is formed by low polyethylene foamed foamed plastics (or polyvinyl butyral resin) is not so can cause the problem that can't keep the precise thickness of photovoltaic module after the heat lamination because glued membrane has elasticity.
In addition, owing to do not have glued membrane among the utility model embodiment, so thereby can be as can laying the position accurately to the photovoltaic cell sheet group that connection in series-parallel is formed and impact because glued membrane has flowability in the prior art yet; Thereby can better protection photovoltaic cell sheet and welding thereof.
In addition, the packaging technology of the photovoltaic module among the utility model embodiment is in normal temperature environment, adopt the technical scheme that extracts the air in the sealing ring, do not resemble prior art and need use heat-laminator that the photovoltaic cell sheet is applied higher temperature, so can not cause the photovoltaic cell sheet to damage or influence the useful life of photovoltaic cell sheet yet because of the temperature of high-temperature fusion glued membrane.Simultaneously, the existence owing to there not being air between glassy layer, photovoltaic cell sheet group, the protection backboard so the photovoltaic cell sheet is not easy to produce oxidative phenomena, thereby has prolonged the useful life of photovoltaic module integral body.
In addition, owing in the utility model embodiment, cancelled the use of low polyethylene foamed foamed plastics (or polyvinyl butyral resin), not only saved the cost of material, and, also saved the use of expensive laminating machine thus, so also saved equipment cost.
In addition, in the prior art, owing between glassy layer, photovoltaic cell group and the protection backboard glued membrane of bonding usefulness is arranged, and make separation costs too high, and also the natural degradation speed of glued membrane own is extremely slow, so also can damage to environment.And after the photovoltaic module in the utility model embodiment scrapping, can open valve glassy layer, photovoltaic cell group and protection backboard are separated, and then the material after separating can be reused by removing frame.
Each embodiment adopts the mode of going forward one by one to describe in this specification, and what each embodiment stressed all is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined herein General Principle can realize under the situation that does not break away from spirit or scope of the present utility model in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (2)
1. a photovoltaic module that utilizes the design of negative pressure of vacuum maintenance method is characterized in that, comprising:
Glassy layer, photovoltaic cell sheet group and protection backboard;
Described protection backboard is provided with sealing ring and valve, airtight described glassy layer and the described photovoltaic cell sheet group periphery of being set in of described sealing ring.
2. according to photovoltaic module described in the claim 1, it is characterized in that described protection backboard is an elastomeric material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200829416U CN202067807U (en) | 2011-03-25 | 2011-03-25 | Photovoltaic assembly designed by vacuum negative pressure maintenance method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200829416U CN202067807U (en) | 2011-03-25 | 2011-03-25 | Photovoltaic assembly designed by vacuum negative pressure maintenance method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202067807U true CN202067807U (en) | 2011-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200829416U Expired - Fee Related CN202067807U (en) | 2011-03-25 | 2011-03-25 | Photovoltaic assembly designed by vacuum negative pressure maintenance method |
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| Country | Link |
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| CN (1) | CN202067807U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102176479A (en) * | 2011-03-25 | 2011-09-07 | 英利能源（中国）有限公司 | Photovoltaic component designed by utilizing vacuum negative pressure retaining method and package process thereof |
| CN114141895A (en) * | 2021-11-19 | 2022-03-04 | 江苏润达光伏无锡有限公司 | Vacuum glass packaged photovoltaic module and preparation method thereof |
| CN115799401A (en) * | 2022-12-29 | 2023-03-14 | 新源劲吾(北京)科技有限公司 | Method for packaging photovoltaic module by utilizing vacuum adsorption |
-
2011
- 2011-03-25 CN CN2011200829416U patent/CN202067807U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102176479A (en) * | 2011-03-25 | 2011-09-07 | 英利能源（中国）有限公司 | Photovoltaic component designed by utilizing vacuum negative pressure retaining method and package process thereof |
| CN114141895A (en) * | 2021-11-19 | 2022-03-04 | 江苏润达光伏无锡有限公司 | Vacuum glass packaged photovoltaic module and preparation method thereof |
| CN115799401A (en) * | 2022-12-29 | 2023-03-14 | 新源劲吾(北京)科技有限公司 | Method for packaging photovoltaic module by utilizing vacuum adsorption |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: HENGSHUI YINGLI NEW ENERGY RESOURCES CO., LTD. Free format text: FORMER OWNER: YINGLI GREEN ENERGY (CHINA) CO., LTD. Effective date: 20120611 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 071051 BAODING, HEBEI PROVINCE TO: 053000 HENGSHUI, HEBEI PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20120611 Address after: 053000 No. seventeen, No. 969, weft Road, Hengshui Economic Development Zone, Hebei, China Patentee after: Hengshui Yingli New Energy Co., Ltd. Address before: 071051 Chaoyang North Street, Hebei, Baoding, No. 3399 Patentee before: Yingli Energy (China) Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111207 Termination date: 20150325 |
|
| EXPY | Termination of patent right or utility model |