CN105185853A - Double-glazed photovoltaic module - Google Patents
Double-glazed photovoltaic module Download PDFInfo
- Publication number
- CN105185853A CN105185853A CN201510645038.9A CN201510645038A CN105185853A CN 105185853 A CN105185853 A CN 105185853A CN 201510645038 A CN201510645038 A CN 201510645038A CN 105185853 A CN105185853 A CN 105185853A
- Authority
- CN
- China
- Prior art keywords
- adhesive layer
- hot melt
- melt adhesive
- photovoltaic module
- sealing strip
- 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.)
- Pending
Links
- 239000010410 layer Substances 0.000 claims abstract description 57
- 239000004831 Hot glue Substances 0.000 claims abstract description 54
- 238000007789 sealing Methods 0.000 claims abstract description 31
- 239000011521 glass Substances 0.000 claims description 30
- 238000009826 distribution Methods 0.000 claims description 2
- 239000011229 interlayer Substances 0.000 abstract 2
- 238000000034 method Methods 0.000 description 6
- 239000002313 adhesive film Substances 0.000 description 4
- 238000004806 packaging method and process Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 238000003475 lamination Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229920005644 polyethylene terephthalate glycol copolymer Polymers 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000012945 sealing adhesive Substances 0.000 description 1
- 238000013083 solar photovoltaic technology Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
- H01L31/042—PV modules or arrays of single PV cells
- H01L31/048—Encapsulation of modules
- H01L31/0488—Double glass encapsulation, e.g. photovoltaic cells arranged between front and rear glass sheets
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
- H01L31/042—PV modules or arrays of single PV cells
- H01L31/048—Encapsulation of modules
- H01L31/0481—Encapsulation of modules characterised by the composition of the encapsulation material
-
- 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
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention provides a double-glazed photovoltaic module. The double-glazed photovoltaic module comprises a cover board, a back board, battery pieces located between the cover board and the back board, and a sealing strip located at periphery of the battery pieces. The sealing strip is distributed at edges around the back board and located between the cover board and the back board; and the sealing strip comprises a middle interlayer, and an upper hot melt adhesive layer as well as a lower hot melt adhesive layer respectively located at upper side and lower side of the middle interlayer. According to the invention, the edges around the photovoltaic module are provided with the sealing strip, thus, tightness and reliability of a photovoltaic module product are improved through the special structure of the sealing strip, and meanwhile, appearance of the module may also be improved.
Description
Technical field
The present invention relates to solar photovoltaic technology field, more particularly, relate to a kind of two glass photovoltaic module.
Background technology
Along with the development of component technology, two glass photovoltaic module is due to its good encapsulation characteristic, and environmental protection characteristic, more and more accept by numerous clients, the employing plastic frame that the existing pair of glass photovoltaic module has or edge sealing adhesive bring and realize sealing, and most pair of glass photovoltaic module does not do any process to the edge of assembly, be only pressed in middle EVA packaging adhesive film by two glass photovoltaic module own layer and carry out sealed insulation.Because the block-water effect of EVA packaging adhesive film itself is relatively weak, the long-time aqueous vapor that there will be to a certain degree that uses is permeated, thus affects the reliability of photovoltaic module.
In order to improve the insulation block-water performance of two glass photovoltaic module, can at the PUR of the surrounding coating one fixed width of photovoltaic module, and applying hot melt adhesives needs special equipment to carry out heating and just can carry out, easily cause the problems such as dirty in the process of coating, technological feasibility is low; After being coated with in the process of lamination, PUR meeting imperfect flow, cause the inside edge of PUR uneven (namely by cell piece side), outward appearance is poor, affects the attractive in appearance of whole assembly simultaneously.Simultaneously, if because two glass photovoltaic module does not install plastic frame, intensity only by layer glass decides by that structural strength, so the process consistency of glass just has obvious impact to modular construction intensity, how improving structural strength is also very important research topic.
Summary of the invention
For solving the problems of the technologies described above, the invention provides a kind of two glass photovoltaic module, it can improve the sealing property at module edge place, improves the reliability of subassembly product.
A kind of two glass photovoltaic module is provided, it sealing strip comprising cover plate, backboard, cell piece between described cover plate and backboard and be positioned at cell piece periphery in the technical solution used in the present invention; Described sealing strip along described backboard edge distribution and between described cover plate and backboard, described sealing strip comprises intermediate course and lays respectively at the upper hot melt adhesive layer of described intermediate course the upper side and lower side and lower hot melt adhesive layer.
Preferably, described upper hot melt adhesive layer is near described cover plate side, and described lower hot melt adhesive layer is near described backboard side.
Preferably, the inside edge of described intermediate course extends internally and exceeds the inside edge of described upper hot melt adhesive layer and the inside edge of lower hot melt adhesive layer, and the distance exceeded is 0-15mm.
Preferably, the outer ledge of described intermediate course flushes setting with the outer ledge of described upper hot melt adhesive layer and lower hot melt adhesive layer.
Preferably, the intermediate course of described sealing strip has T-shaped cross section, the outer stopper that described intermediate course is provided with the pars intermedia between upper hot melt adhesive layer and lower hot melt adhesive layer and is positioned at outside pars intermedia.
Preferably, described pars intermedia is in being horizontally disposed with, and described outer stopper is perpendicular to described pars intermedia, and described upper hot melt adhesive layer and lower hot melt adhesive layer are positioned at the inner side of described outer stopper.
Preferably, the upside of described outer stopper flushes with the upside of described upper hot melt adhesive layer, and the downside of described outer stopper flushes with the downside of described lower hot melt adhesive layer.
The two glass photovoltaic module of the present invention arranges sealing strip by the edge at photovoltaic module, utilizes the special construction of sealing strip to improve sealing and the reliability of photovoltaic module product, meanwhile, also can improve the outward appearance of assembly.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
Fig. 1 is the front view of of the present invention pair of glass photovoltaic module.
Fig. 2 is the partial cutaway schematic at glass photovoltaic module edge place two described in an embodiment of the present invention.
Fig. 3 is the structural representation of the sealing strip of glass photovoltaic module two described in an embodiment of the present invention.
Fig. 4 is the structural representation of the sealing strip of two glass photovoltaic module described in the another kind of embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
The invention provides a kind of two glass photovoltaic module 100, it sealing strip 30 comprising cover plate 10, backboard 20, cell piece 40 between backboard 20 and cover plate 10 and packaging adhesive film (not shown) and be positioned at described cell piece 40 periphery, described cover plate 10 and backboard 20 are transparent glass plate, there is good light transmission, and entirety is more attractive in appearance.Described cover plate 10 and backboard 20 are by the lamination treatment of laminating machine, cell piece 40, packaging adhesive film, cover plate 10 and backboard 20 can be made to form an integral layer casting die, described sealing strip 30 is positioned at the edge of described pair of glass photovoltaic module 100, seals, as shown in Figure 1.
In an embodiment of the present invention, described sealing strip 30 is in frame-type, and its edge along described backboard 20 distributes, and between described cover plate 10 and backboard 20, for filling the gap between cover plate 10 and backboard 20, realizes sealing effectiveness.Described sealing strip 30 comprises hot melt adhesive layer 31, lower hot melt adhesive layer 32 and intermediate course 33, described intermediate course 33 is on described between hot melt adhesive layer 31 and lower hot melt adhesive layer 32, for isolation, lower two-layer hot melt adhesive layer 31, 32, wherein, described upper hot melt adhesive layer 31 is near described cover plate 10 side, described lower hot melt adhesive layer 32 is near described backboard 20 side, as shown in Figures 2 and 3, the inside edge 330 of described intermediate course 33 extends internally and exceeds the inside edge 310 of described upper hot melt adhesive layer 31 and the inside edge 320 of lower hot melt adhesive layer 32, and the distance exceeded is 0-15mm, the outer ledge 311 of the outer ledge 331 of described intermediate course 33 and described upper hot melt adhesive layer 31 and lower hot melt adhesive layer 32, 321 flush setting.Described sealing strip 30 is when making, select black PET (PETG) material as intermediate course 33, then thereon, lower both sides coat the PUR of black respectively in advance, hot melt adhesive layer 31 and lower hot melt adhesive layer 32 in formation, after solidification to be cooled, described intermediate course 33 and described on, lower hot melt adhesive layer 31, 32 become holistic sealing strip 30, then can directly pad to be put in laminate and go, make sealing strip 30 as a complete entirety like this, feeding, supplied materials is very convenient, and be black due to three, although on, lower hot melt adhesive layer 31, 32 can there is inside flowing, but the inside edge 330 of intermediate course 33 can not be exceeded, thus outward appearance can not be affected, overall visual impact still demonstrates smooth edge.
In the another kind of embodiment of the present invention, as shown in Figure 4, the intermediate course 33 of described sealing strip 30 has T-shaped cross section, possesses good structural strength, with a upper embodiment unlike, in the present embodiment, the outer stopper 333 that described intermediate course 33 is provided with the pars intermedia 332 between upper hot melt adhesive layer 31 and lower hot melt adhesive layer 32 and is positioned at outside pars intermedia 332, described pars intermedia 332 is horizontally disposed with, described outer stopper 333 is perpendicular to described pars intermedia 332, described upper hot melt adhesive layer 31 and lower hot melt adhesive layer 32 are positioned at the inner side of described outer stopper 333, and the upside of described outer stopper 333 flushes with the upside of described upper hot melt adhesive layer 31, the downside of described outer stopper 333 flushes with the downside of described lower hot melt adhesive layer 32.
In sum, the present invention, by arranging sealing strip 30 in two glass photovoltaic module 100, effectively can improve the insulation block-water effect of two glass photovoltaic module 100, improve assembly reliability; And described sealing strip 30 directly can be layered on the position of expection aborning, does not need special heater, technique simple possible; In addition, the size of intermediate course 33 is greater than the position of hot melt adhesive layer 31 and lower hot melt adhesive layer 32, PUR flowing in lamination process can be avoided to exceed the edge of intermediate course 33, efficiently solve the problem of appearance caused because of PUR flowing.Meanwhile, in the present invention, have employed the intermediate course 33 with some strength, and coordinate certain structural design (as T-shaped cross section), effectively can promote the anti-bending strength of two glass photovoltaic module 100, improve mechanical load intensity.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (7)
1. a two glass photovoltaic module, is characterized in that, comprises cover plate, backboard, cell piece between described cover plate and backboard and is positioned at the sealing strip of cell piece periphery; Described sealing strip along described backboard edge distribution and between described cover plate and backboard, described sealing strip comprises intermediate course and lays respectively at the upper hot melt adhesive layer of described intermediate course the upper side and lower side and lower hot melt adhesive layer.
2. according to claim 1 pair of glass photovoltaic module, is characterized in that, described upper hot melt adhesive layer is near described cover plate side, and described lower hot melt adhesive layer is near described backboard side.
3. according to claim 2 pair of glass photovoltaic module, is characterized in that, the inside edge of described intermediate course extends internally and exceeds the inside edge of described upper hot melt adhesive layer and the inside edge of lower hot melt adhesive layer, and the distance exceeded is 0-15mm.
4. according to claim 3 pair of glass photovoltaic module, is characterized in that, the outer ledge of described intermediate course flushes setting with the outer ledge of described upper hot melt adhesive layer and lower hot melt adhesive layer.
5. according to claim 1 pair of glass photovoltaic module, is characterized in that, the intermediate course of described sealing strip has T-shaped cross section, the outer stopper that described intermediate course is provided with the pars intermedia between upper hot melt adhesive layer and lower hot melt adhesive layer and is positioned at outside pars intermedia.
6. according to claim 5 pair of glass photovoltaic module, is characterized in that, described pars intermedia is in being horizontally disposed with, and described outer stopper is perpendicular to described pars intermedia, and described upper hot melt adhesive layer and lower hot melt adhesive layer are positioned at the inner side of described outer stopper.
7. according to claim 6 pair of glass photovoltaic module, is characterized in that, the upside of described outer stopper flushes with the upside of described upper hot melt adhesive layer, and the downside of described outer stopper flushes with the downside of described lower hot melt adhesive layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510645038.9A CN105185853A (en) | 2015-10-08 | 2015-10-08 | Double-glazed photovoltaic module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510645038.9A CN105185853A (en) | 2015-10-08 | 2015-10-08 | Double-glazed photovoltaic module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105185853A true CN105185853A (en) | 2015-12-23 |
Family
ID=54907826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510645038.9A Pending CN105185853A (en) | 2015-10-08 | 2015-10-08 | Double-glazed photovoltaic module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105185853A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109120223A (en) * | 2018-09-27 | 2019-01-01 | 苏州鑫本智能科技有限公司 | Four side of foam tape synchronizes attaching device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11280164A (en) * | 1998-03-31 | 1999-10-12 | Hitachi Zosen Corp | Structure for joining panels |
| CN101140958A (en) * | 2007-09-30 | 2008-03-12 | 中山大学 | Small power modularize solar cell component |
| DE202011002142U1 (en) * | 2011-01-31 | 2011-05-05 | Lohmann Gmbh & Co. Kg | Adhesive tape system for windshield bonding |
| CN103187370A (en) * | 2011-12-28 | 2013-07-03 | 辉能科技股份有限公司 | Side packaging structure of electronic module |
| CN103367498A (en) * | 2012-04-09 | 2013-10-23 | 中电电气(上海)太阳能科技有限公司 | Solar-energy double-glass assembly and encapsulation method thereof |
| CN104377259A (en) * | 2013-12-27 | 2015-02-25 | 比亚迪股份有限公司 | Photovoltaic cell assembly with two glass layers |
| CN205039164U (en) * | 2015-10-08 | 2016-02-17 | 阿特斯(中国)投资有限公司 | Double glass photovoltaic assembly |
-
2015
- 2015-10-08 CN CN201510645038.9A patent/CN105185853A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11280164A (en) * | 1998-03-31 | 1999-10-12 | Hitachi Zosen Corp | Structure for joining panels |
| CN101140958A (en) * | 2007-09-30 | 2008-03-12 | 中山大学 | Small power modularize solar cell component |
| DE202011002142U1 (en) * | 2011-01-31 | 2011-05-05 | Lohmann Gmbh & Co. Kg | Adhesive tape system for windshield bonding |
| CN103187370A (en) * | 2011-12-28 | 2013-07-03 | 辉能科技股份有限公司 | Side packaging structure of electronic module |
| CN103367498A (en) * | 2012-04-09 | 2013-10-23 | 中电电气(上海)太阳能科技有限公司 | Solar-energy double-glass assembly and encapsulation method thereof |
| CN104377259A (en) * | 2013-12-27 | 2015-02-25 | 比亚迪股份有限公司 | Photovoltaic cell assembly with two glass layers |
| CN205039164U (en) * | 2015-10-08 | 2016-02-17 | 阿特斯(中国)投资有限公司 | Double glass photovoltaic assembly |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109120223A (en) * | 2018-09-27 | 2019-01-01 | 苏州鑫本智能科技有限公司 | Four side of foam tape synchronizes attaching device |
| CN109120223B (en) * | 2018-09-27 | 2023-09-26 | 苏州鑫本智能科技有限公司 | Four-side synchronous attaching equipment for foam adhesive tape |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 215129 Suzhou high tech Zone, Jiangsu, Lu Shan Road, No. 199 Applicant after: Artes sunshine Power Group Co. Ltd. Applicant after: Changshu Canadian Solar Inc. Address before: 215129 Suzhou high tech Zone, Jiangsu, Lu Shan Road, No. 199 Applicant before: Canadian (China) Investment Co., Ltd. Applicant before: Changshu Canadian Solar Inc. |
|
| CB02 | Change of applicant information | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151223 |
|
| RJ01 | Rejection of invention patent application after publication |