CN105489683A - Lightweight double-glass module - Google Patents
Lightweight double-glass module Download PDFInfo
- Publication number
- CN105489683A CN105489683A CN201610038841.0A CN201610038841A CN105489683A CN 105489683 A CN105489683 A CN 105489683A CN 201610038841 A CN201610038841 A CN 201610038841A CN 105489683 A CN105489683 A CN 105489683A
- Authority
- CN
- China
- Prior art keywords
- glass
- toughened glass
- assembly
- lightweight
- module
- 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
- 239000011521 glass Substances 0.000 title claims abstract description 52
- 239000005341 toughened glass Substances 0.000 claims abstract description 70
- 239000010410 layer Substances 0.000 claims description 18
- 239000011247 coating layer Substances 0.000 claims description 13
- 238000012360 testing method Methods 0.000 claims description 8
- 239000011324 bead Substances 0.000 claims description 6
- 230000003667 anti-reflective effect Effects 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 239000000741 silica gel Substances 0.000 claims description 2
- 229910002027 silica gel Inorganic materials 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 3
- 238000004806 packaging method and process Methods 0.000 abstract 2
- 238000003475 lamination Methods 0.000 description 5
- 230000035882 stress Effects 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000009172 bursting Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000006124 Pilkington process Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000003679 aging effect Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 238000003466 welding Methods 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
-
- 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 belongs to the field of solar cells, and provides a lightweight double-glass module comprising chemically toughened glass, a packaging layer, cell strings, a packaging layer and physically toughened glass which are arranged from the top to the bottom in turn. According to the lightweight double-glass module, chemically toughened glass acts as front glass and cell sheets crack if chemically toughened glass is used for supporting due to excessive flexibility of chemically toughened glass, and physically toughened glass acts as back glass and float physically toughened glass acts as a main bearing surface under the condition of wind-snow load so that the cell strings in module can be greatly protected, and the overall strength of the module can be increased through the collocation; besides, the installing method is almost the same with that of common double-glass modules so that the installing method does not need to be changed; and thinner glass is adopted on the basis of a backboard module and the double-glass module, and weight is relatively low and is only about 12KG so that weight is reduced by 40% in comparison with that of conventional double-glass.
Description
Technical field
The invention belongs to area of solar cell, particularly relate to the two glass assembly of a kind of lightweight.
Background technology
Existing photovoltaic module adopts two glass assemblies of backboard+physical toughened glass or the physical toughened glass of the physical toughened glass of 2.5mm+2.5mm and the combination of the physical toughened glass of 2.0mm+2.0mm physical toughened glass mates mostly, this kind of traditional components of backboard+physical toughened glass exists that steam percent of pass is higher, mechanical strength and the defect such as ageing properties is more weak, and two glass assembly in contrast, two glass assembly is on back board module basis, conventional backing plate is instead of by back-panel glass, solve back board module Problems existing, but far surpassed conventional backing plate assembly in weight.
The defect of prior art and deficiency:
1. existing backboard+glass traditional components, due to backboard have steam through risk, can damage the envelope material in assembly and cell piece, reduce assembly generating efficiency and life-span; And traditional components intensity is more weak, need to increase frame to bear wind and snow load, limit adds development cost and brings the PID phenomenon of assembly virtually; Aborning, easily there is the apparent flaws such as bulge in back board module finished product backboard;
2. existing pair of glass assembly is arranged in pairs or groups owing to adopting thicker glass, so its heavier-weight, installs all bring sizable inconvenience for the assembly in various landform; And after thickness of glass increase, the overall lamination times of assembly will become longer, affects overall throughput.
Summary of the invention
The object of the invention is to overcome prior art and there is the heavier defect of two glass lightweight packages, provide a kind of lightweight two glass assembly.
The technical solution adopted for the present invention to solve the technical problems is: the two glass assembly of a kind of lightweight, comprises chemically toughened glass, encapsulated layer, battery strings, encapsulated layer and physical toughened glass from top to bottom successively.
Further, described chemically toughened glass thickness is 0.55 ~ 0.85mm.
As preferably, described chemically toughened glass thickness is 0.85mm, and the number of plies of the encapsulated layer between described chemically toughened glass and battery strings is two-layer.The busbar of cell piece and interconnecting strip junction thickness are comparatively large, meeting bursting chemically toughened glass, and between chemically toughened glass and battery strings, adopt two-layer encapsulated layer shock-absorbing capacity good, can effectively avoid chemically toughened glass to break.
As preferably, be the reverberation reducing chemically toughened glass surface, increase its light transmission capacity, described chemically toughened glass outer surface is provided with antireflective film.
As preferably, described chemically toughened glass surface stress value is greater than 640Mpa, and in falling sphere test, 1040g bead falling sphere reaches 60cm, its warped degree, arc curved, waveform is curved all should within 5/1000ths; Described physical toughened glass surface stress reaches more than 60Mpa, falling sphere test in 1040g bead falling sphere reach 80cm, its warped degree, arc curved, waveform is curved all should within 5/1000ths.
Further, described physical toughened thickness of glass is 1.6 ~ 2.2mm.
As preferably, described physical toughened thickness of glass is 2mm.
As preferably, described physics steel protects on glass and is coated with reflective coating layer, and described reflective coating layer thickness is 1 ~ 30 μm.
As preferably, described reflective coating layer is latticed, and it is arranged in the gap between battery strings.Reflective coating layer is arranged in latticed, the use doses of reflective coating layer can not only be saved, and encapsulated layer material directly can contact with physical toughened glass, improves the caking property of encapsulated layer and physical toughened glass.
As preferably, described encapsulated layer is EVA, PVB, organic silica gel or POE film.Wherein preferred POE film, the EVA of the more current use of POE, has better thermal stability, optical property, anti-dry and cracked performance, has high visible, ultraviolet light light transmittance and lower mist degree, also there is good pliability, molding performance, and it is cheap simultaneously.
Beneficial effect: 1. because the two glass assembly of lightweight improves at original pair of glass assembly, so the steam existing for backboard+glass traditional components is through problem, it does not need to consider;
2. in the two glass assembly of lightweight, because chemically toughened glass is as positive glass, but itself having mercy on, it is large to spend, can cause by chemically toughened glass support that cell piece is hidden to be split, and using physical toughened glass as back of the body glass, during wind and snow load, the physical toughened glass of float glass process is as main supporting surface, can protect assembly internal cell string preferably, so this collocation can increase the intensity of component integration; And its mounting means comparatively common double glass assembly also without obvious difference, Gu without the need to changing mounting means; In addition, the busbar of cell piece and interconnecting strip junction thickness are comparatively large, meeting bursting chemically toughened glass, and between chemically toughened glass and battery strings, adopt two-layer encapsulated layer shock-absorbing capacity good, can effectively avoid chemically toughened glass to break;
3., in component lamination production process, the two glass assembly of lightweight comparatively backboard tradition is compared, and does not spend the problem of appearance such as a series of bulge, scuffing considering that backboard produces in lamination process; And more two glass assembly is compared, because the thickness of entirety reduces, so lamination times also accompanies reduce 360S (about 20%) left and right;
4. assembly set forth in the present invention, component power is compared with traditional double glass, and power is consistent, and it is not quite different that envelope damages value difference.
5. the present invention adopts thinner glass on the basis of back board module and two glass assembly, weight also alleviates relatively, approximately only has about 12KG, comparatively traditional double glass weight alleviates 40%, can accomplish to install at the not strong roofing of weight capacity or building surface, reduce the labour intensity of installation personnel simultaneously, be convenient to install.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
Fig. 1 is the two glass assembly perspective view of lightweight of the present invention;
Fig. 2 is physical toughened glass structure schematic diagram in embodiment 1;
Wherein: 1. chemically toughened glass, 2. encapsulated layer, 3. battery strings, 4. physical toughened glass, 41. reflective coating layers.
Embodiment
Embodiment 1
As shown in Figure 1, assembly overlapped way: positive glass selects the plating antireflective film chemically toughened glass 1 of 0.85mm, first at two, positive glass upper berth POE, again thereon arrange battery strings 3, after welding, then above battery strings 3, spread a POE, cover the physical toughened glass 4 of 2.0mm.
Wherein encapsulated layer 2POE needs to reach the corresponding degree of cross linking between 75%-90% and peel strength more than pulling force 100N, and laminating technology needs to realize battery strings 3 does not occur and go here and there, expand the lamination problems such as string, bubble, envelope material itself also needs to carry out the aging 60kw*h/m of UV
2, TC200 and DH1000 test; Described chemically toughened glass 1 surface stress value is greater than 640Mpa, falling sphere test in 1040g bead falling sphere reach 60cm, its warped degree, arc curved, waveform is curved all should within 5/1000ths; Described physical toughened glass 4 surface stress reaches more than 60Mpa, falling sphere test in 1040g bead falling sphere reach 80cm, its warped degree, arc curved, waveform is curved all should within 5/1000ths
As shown in Figure 2, wherein physical toughened glass 4 is coated with 19um reflective coating layer 41, described reflective coating layer 41 in latticed, and in gap between battery strings 3.
Concrete laminating parameters is as shown in the table:
Concrete module testing:
After assembly actual production, the physical toughened glass weight of 0.85mm chemically toughened glass+2.0mm has obvious reduction compared with the physical toughened glass of the physical toughened glass of 2.5mm+2.5mm and the physical toughened glass of 2.0mm+2.0mm physical toughened glass assembly weight, and concrete data are as follows:
Embodiment 2
Chemically toughened glass 1 in embodiment 1 is replaced with the chemically toughened glass 1 that thickness is 0.55mm, and physical toughened glass 4 replaces with the chemically toughened glass 1 that thickness is 2.2mm, and other structures are with embodiment 1.
Embodiment 3
Chemically toughened glass 1 in embodiment 1 is replaced with the chemically toughened glass 1 that thickness is 0.65mm, and physical toughened glass 4 replaces with the physical toughened glass 4 that thickness is 1.6mm, and other structures are with embodiment 1.
Embodiment 4
The physical toughened glass 4 being coated with latticed reflectance coating in embodiment 1 is replaced with the physical toughened glass 4 that surface is all coated with reflective coating layer 41, controlling reflective coating layer thickness is 1 ~ 30 μm.
Embodiment 5
The physical toughened glass 4 being coated with latticed reflectance coating in embodiment 1 is replaced with the physical toughened glass 4 of full impregnated.
Should be appreciated that specific embodiment described above only for explaining the present invention, being not intended to limit the present invention.Still be among protection scope of the present invention by spirit institute's apparent change of extending out of the present invention or change.
Claims (10)
1. the two glass assembly of lightweight, is characterized in that: comprise chemically toughened glass (1), encapsulated layer (2), battery strings (3), encapsulated layer (2) and physical toughened glass (4) from top to bottom successively.
2. the two glass assembly of lightweight according to claim 1, is characterized in that: described chemically toughened glass (1) thickness is 0.55 ~ 0.85mm.
3. the two glass assembly of lightweight according to claim 2, it is characterized in that: described chemically toughened glass (1) thickness is 0.85mm, the number of plies of the encapsulated layer (2) between described chemically toughened glass (1) and battery strings (3) is two-layer.
4. the two glass assembly of the lightweight according to claim 1 or 2 or 3, is characterized in that: described chemically toughened glass (1) outer surface is provided with antireflective film.
5. the two glass assembly of the lightweight according to claim 1 or 2 or 3, it is characterized in that: described chemically toughened glass (1) surface stress value is greater than 640Mpa, falling sphere test in 1040g bead falling sphere reach 60cm, its warped degree, arc curved, waveform is curved all should within 5/1000ths; Described physical toughened glass (4) surface stress reaches more than 60Mpa, falling sphere test in 1040g bead falling sphere reach 80cm, its warped degree, arc curved, waveform is curved all should within 5/1000ths.
6. the two glass assembly of the lightweight according to claim 1 or 2 or 3, is characterized in that: described physical toughened glass (4) thickness is 1.6 ~ 2.2mm.
7. the two glass assembly of lightweight according to claim 6, is characterized in that: described physical toughened glass (4) thickness is 2mm.
8. the two glass assembly of lightweight according to claim 6, it is characterized in that: described physics steel protects on glass and is coated with reflective coating layer (41), described reflective coating layer (41) thickness is 1 ~ 30 μm.
9. the two glass assembly of lightweight according to claim 8, is characterized in that: described reflective coating layer (41) is in latticed, and it is arranged in the gap between battery strings (3).
10. the two glass assembly of lightweight according to claim 1, is characterized in that: described encapsulated layer (2) is EVA, PVB, organic silica gel or POE film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610038841.0A CN105489683A (en) | 2016-01-20 | 2016-01-20 | Lightweight double-glass module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610038841.0A CN105489683A (en) | 2016-01-20 | 2016-01-20 | Lightweight double-glass module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105489683A true CN105489683A (en) | 2016-04-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610038841.0A Pending CN105489683A (en) | 2016-01-20 | 2016-01-20 | Lightweight double-glass module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105489683A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106229364A (en) * | 2016-07-29 | 2016-12-14 | 东莞南玻光伏科技有限公司 | Double glass solar photovoltaic assemblies |
| CN106952979A (en) * | 2017-05-15 | 2017-07-14 | 江苏康德蛋业有限公司 | A kind of translucency roof given up for poultry farming |
| CN108400191A (en) * | 2018-04-20 | 2018-08-14 | 浙江正泰太阳能科技有限公司 | A kind of crystal silicon flexible photovoltaic component and its manufacturing method |
| WO2019015564A1 (en) * | 2017-07-17 | 2019-01-24 | 君泰创新（北京）科技有限公司 | Solar power generation assembly |
| CN109713072A (en) * | 2019-01-10 | 2019-05-03 | 晶澳（扬州）太阳能科技有限公司 | A kind of backboard of solar cell module |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106229364A (en) * | 2016-07-29 | 2016-12-14 | 东莞南玻光伏科技有限公司 | Double glass solar photovoltaic assemblies |
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| CN106952979A (en) * | 2017-05-15 | 2017-07-14 | 江苏康德蛋业有限公司 | A kind of translucency roof given up for poultry farming |
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| WO2019015564A1 (en) * | 2017-07-17 | 2019-01-24 | 君泰创新（北京）科技有限公司 | Solar power generation assembly |
| CN108400191A (en) * | 2018-04-20 | 2018-08-14 | 浙江正泰太阳能科技有限公司 | A kind of crystal silicon flexible photovoltaic component and its manufacturing method |
| CN109713072A (en) * | 2019-01-10 | 2019-05-03 | 晶澳（扬州）太阳能科技有限公司 | A kind of backboard of solar cell module |
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Application publication date: 20160413 |