CN102157582A - Packaging technology in module production process - Google Patents
Packaging technology in module production process Download PDFInfo
- Publication number
- CN102157582A CN102157582A CN2011100226292A CN201110022629A CN102157582A CN 102157582 A CN102157582 A CN 102157582A CN 2011100226292 A CN2011100226292 A CN 2011100226292A CN 201110022629 A CN201110022629 A CN 201110022629A CN 102157582 A CN102157582 A CN 102157582A
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- CN
- China
- Prior art keywords
- battery
- assembly
- packaging technology
- production process
- module
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- 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
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 22
- 238000012536 packaging technology Methods 0.000 title claims abstract description 18
- 238000012360 testing method Methods 0.000 claims abstract description 24
- 238000003475 lamination Methods 0.000 claims abstract description 15
- 238000003466 welding Methods 0.000 claims abstract description 7
- 239000012528 membrane Substances 0.000 claims description 13
- 239000011521 glass Substances 0.000 claims description 12
- 229920002620 polyvinyl fluoride Polymers 0.000 claims description 12
- 239000002131 composite material Substances 0.000 claims description 11
- 239000003365 glass fiber Substances 0.000 claims description 5
- 239000005341 toughened glass Substances 0.000 claims description 5
- 239000008393 encapsulating agent Substances 0.000 claims description 4
- 238000010030 laminating Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 239000004020 conductor Substances 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 230000007935 neutral effect Effects 0.000 claims description 3
- 229920002050 silicone resin Polymers 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 12
- 238000006243 chemical reaction Methods 0.000 abstract description 7
- 230000009286 beneficial effect Effects 0.000 abstract description 4
- 230000007797 corrosion Effects 0.000 abstract description 4
- 238000005260 corrosion Methods 0.000 abstract description 4
- 239000003513 alkali Substances 0.000 abstract description 3
- 239000002253 acid Substances 0.000 abstract 1
- 238000009432 framing Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 239000002994 raw material Substances 0.000 abstract 1
- 230000001458 anti-acid effect Effects 0.000 description 4
- 238000009413 insulation Methods 0.000 description 4
- 238000005538 encapsulation Methods 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000003518 caustics Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical class [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229940069428 antacid Drugs 0.000 description 1
- 239000003159 antacid agent Substances 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- DKQVJMREABFYNT-UHFFFAOYSA-N ethene Chemical compound C=C.C=C DKQVJMREABFYNT-UHFFFAOYSA-N 0.000 description 1
- PROZFBRPPCAADD-UHFFFAOYSA-N ethenyl but-3-enoate Chemical compound C=CCC(=O)OC=C PROZFBRPPCAADD-UHFFFAOYSA-N 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920006267 polyester film Polymers 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- APTZNLHMIGJTEW-UHFFFAOYSA-N pyraflufen-ethyl Chemical compound C1=C(Cl)C(OCC(=O)OCC)=CC(C=2C(=C(OC(F)F)N(C)N=2)Cl)=C1F APTZNLHMIGJTEW-UHFFFAOYSA-N 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 230000011514 reflex Effects 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
-
- 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
Landscapes
- Photovoltaic Devices (AREA)
Abstract
The invention relates to a packaging technology and in particular discloses a packaging technology in the module production process. The packaging technology is characterized by comprising the steps of cell testing, serial connection on the back, lamination, module lamination, deburring, framing, junction box welding, testing under a high voltage and module testing. The packaging technology has the following beneficial effects: in the production process of the solar cell module, the conversion efficiency of the cell unit can be improved, the acid and alkali resistance and corrosion resistance of the module are improved, the mechanical property of the module is improved, the service life of the module is prolonged, the raw materials are saved, the production cost is lowered, the operation procedures are reduced and the manpower and material resources are saved.
Description
(1) technical field
The present invention relates to a kind of packaging technology, the packaging technology in particularly a kind of assembly production process.
(2) background technology
The assembly line is packaging line again, and encapsulation is the committed step in the manufacture of solar cells, does not have good packaging technology, the component palette that how good battery also be can not produce.The encapsulation of battery not only can make the life-span of battery be guaranteed, but also has strengthened the resistance intensity of battery.The high-quality of product and high life are the keys that wins customer satisfaction, so the package quality of component palette is extremely important.Present most of solar module manufacturer, all there is following defective in the production technology of present stage: the conversion efficiency of solar battery cell is low, the insulation property of encapsulating material are poor, the useful life of assembly weak point, antiacid caustic corrosion poor performance etc., thereby the assembly property rate is reduced.
(3) summary of the invention
The present invention is in order to remedy the deficiencies in the prior art, and the packaging technology in the assembly production process of a kind of high conversion efficiency, high antacid caustic corrosion performance is provided.
The present invention is achieved through the following technical solutions:
Packaging technology in a kind of assembly production process is characterized in that: comprise the steps:
(1) battery testing: the size of the performance parameter by test battery is classified to it, selects the battery that meets performance parameter, and performance parameter meets the following conditions: AM=1.5, E=1000W/m
2, TC=25 ± 2 ℃;
(2) back serial connection: battery strings is connected together forms a battery component string successively, and welds out lead-in wire at the both positive and negative polarity of battery component string;
(3) lamination: glass, EVA, battery component string, glass fibre, EVA, backboard are laid from bottom to top successively, standby;
(4) component lamination: the battery that will lay is put into laminating machine, by vacuumizing the air in the assembly is extracted out, and heating makes the EVA fusing that battery component string, glass and backboard are bonded together then; Assembly is taken out in cooling at last;
(5) deburring: lamination finishes burr is excised;
(6) frame up: with said modules rim frame, fill with encapsulants in the slit of frame and assembly, connects with the angle key between each frame;
(7) welding terminal box: at box of lead-in wire place, assembly back side welding;
(8) Hi-pot test: between module frame and contact conductor, apply voltage, the resistance to pressure of test suite and dielectric strength;
(9) module testing: according to AM=1.5, E=1000W/m
2, TC=25 ± 2 ℃ condition the power output of battery is demarcated, satisfy nominal power ± 3% promptly qualified.
Glass is high transmission rate, high-intensity toughened glass in the step (3).
Step (3), (4) dorsulum are the polyvinyl fluoride composite membrane, and thickness is 0.17mm-0.35mm, and vertically shrinkage is not more than 1.5%.
Lamination circulation timei is 20-30 minute in the step (4), and curing temperature is 150 ℃.
Used encapsulants is the neutral silicone resin glue of high bond strength in the step (6).
Test voltage is (2Vmax+1000) VDC in the step (8), and leakage current is 50 μ A, and time 1min or voltage are 1.2 * (2Vmax+1000) VDC, leakage current 50 μ A, and time 1S, the voltage raising speed is not more than 500V/S.
EVA is the sticking glued membrane of a kind of thermosetting, is used to be placed on doubling glass middle (EVA is the abbreviation of Ethylene ethene Vinyl vinyl Acetate acetate).Because the EVA glued membrane is in the superiority that aspects such as adhesion strength, durability, optical characteristics have, make its by being applied in electric current assembly and the various optical articles more and more widely.
The advantage of EVA glued membrane is summarized as follows:
1. the high grade of transparency, high adhesion strength goes for various interfaces, comprises glass, metal and plastics such as PET;
2. favorable durability can be resisted high temperature, moisture, ultraviolet ray or the like;
3. easily store, room temperature is deposited, and the adhesion strength of EVA is not subjected to the influence of humidity and water absorption film;
4. comparing PVB has stronger soundproof effect, especially high-frequency audio;
5. low melting point easily flows, and can be applicable to the doubling technology of various glass, as pattern glass, toughened glass, curved glass etc.
The polyvinyl fluoride composite membrane; be used in the assembly back side; as the back-protective encapsulating material; thickness 0.17mm-0.35mm, vertically shrinkage is not more than 1.5%, and the polyvinyl fluoride composite membrane that is used to encapsulate should have three-decker at least: outer protective layer PVF has good anti-environmental attack ability; the intermediate layer is a polyester film; have the good insulation performance performance, internal layer PVF needs to have good adhesive property through surface treatment and EVA.Encapsulation must keep clean with the polyvinyl fluoride composite membrane, must not stain or make moist, and particularly the not handy finger of internal layer directly contacts, in order to avoid influence the adhesion strength of EVA.The polyvinyl fluoride composite membrane is a white, and sunlight is played reflex, and therefore the efficient to assembly slightly improves, and because of it has higher infrared reflectivity, can also reduce the working temperature of assembly, also helps improving the operating efficiency of assembly.Certainly the polyvinyl fluoride composite membrane at first will have the desired basic characteristics such as ageing-resistant, corrosion-resistant, airtight of solar cell package material.For white polyvinyl fluoride composite membrane, also having a kind of effect is exactly that the light that incides component internal is carried out scattering, improves the light absorbing efficient of assembly.
On the basis of original encapsulating material, add a glass fibre, purpose is the decay resistance that improves the insulation property of component package material, mechanical performance and strengthen assembly, improved the photoelectric conversion efficiency of battery unit, be suitable for EVA and glass fibre composite encapsulating material that photovoltaic module is used, the insulation property and the decay resistance of component package material significantly improve, the photoelectric conversion efficiency of battery unit and increasing substantially the useful life of assembly.
Therefore, the invention has the beneficial effects as follows: in the production of solar module, can strengthen the conversion efficiency of battery unit, the antiacid alkali decay resistance of assembly is improved, increased the mechanical performance of assembly, prolong the useful life of assembly, save material, reduced production cost, reduced flow chart, used manpower and material resources sparingly.
(4) embodiment
Packaging technology in this assembly production process is characterized in that: comprise the steps:
(1) battery testing: because the randomness of battery sheet manufacturing conditions, the battery performance of producing is not quite similar, for effectively that performance is consistent or close battery combination together, so should classify according to its performance parameter; The battery testing i.e. size of the performance parameter by test battery is classified to it, to improve the utilance of battery, makes up-to-standard battery component, and performance parameter meets the following conditions: AM=1.5, E=1000W/m
2, TC=25 ± 2 ℃;
(2) back serial connection: back serial connection is 12 or 10 battery strings to be connected together form a battery component string, the technology that adopts is manual, the location of battery is mainly by a film tool plate, 12 grooves of placing the battery sheet are arranged above, the size of groove and battery big or small corresponding, the assembly of different size uses different templates, be welded on the backplate (positive pole) of " back battery " with electric iron and solder stick front electrode (negative pole), so successively 12 or 10 be serially connected and weld out lead-in wire at the both positive and negative polarity of battery component string with " front battery ";
(3) lamination: back serial connection is good and through after the assay was approved, and the high-intensity toughened glass of high transmission rate, EVA, battery component string, glass fibre, polyvinyl fluoride composite membrane that EVA, 0.25mm are thick are laid from bottom to top successively, and is standby;
(4) component lamination: the battery that will lay is put into laminating machine, by vacuumizing the air in the assembly is extracted out, and heating makes the EVA fusing that battery component string, toughened glass and polyvinyl fluoride composite membrane are bonded together then; Assembly is taken out in cooling at last, and laminating technology is one step of key that assembly is produced, and uses when solidifying EVA fast, and the lamination cycle time is 25 minutes, and curing temperature is 150 ℃;
(5) deburring: EVA fusing back solidify to form burr owing to pressure stretches out during lamination, so lamination finishes its excision;
(6) frame up: said modules is adorned the aluminium frame, and to increase the intensity of assembly, sealed cell assembly further prolongs useful life of battery, and fill with the neutral silicone resin glue in the slit of frame and glass assembly, connects with the angle key between each frame;
(7) welding terminal box:, be beneficial to being connected between battery and other equipment or battery at box of lead-in wire place, assembly back side welding;
(8) Hi-pot test: apply voltage between module frame and contact conductor, the resistance to pressure of test suite and dielectric strength are not damaged under abominable natural conditions (thunderbolt etc.) to guarantee assembly.Voltage-withstand test: voltage (2Vmax+1000) VDC, leakage current is made as 50 μ A, and time 1min or voltage are 1.2 * (2Vmax+1000) VDC, leakage current 50 μ A, time 1S, the voltage raising speed is not more than 500V/S, the maximum system voltage of Vmax finger assembly nominal herein;
(9) module testing: according to AM=1.5, E=1000W/m
2, TC=25 ± 2 ℃ condition the power output of battery is demarcated, test its output characteristic, determine the credit rating of assembly.Assembly all has nominal power, test as satisfy nominal power ± 3% promptly qualified.
Therefore, the invention has the beneficial effects as follows: in the production of solar module, can strengthen the conversion efficiency of battery unit, the antiacid alkali decay resistance of assembly is improved, increased the mechanical performance of assembly, prolong the service life of assembly, save material, reduced production cost, reduced flow chart, used manpower and material resources sparingly.
Claims (6)
1. the packaging technology in the assembly production process is characterized in that: comprise the steps:
(1) battery testing: the size of the performance parameter by test battery is classified to it, selects the battery that meets performance parameter, and performance parameter meets the following conditions: AM=1.5, E=1000W/m
2, TC=25 ± 2 ℃;
(2) back serial connection: battery strings is connected together forms a battery component string successively, and welds out lead-in wire at the both positive and negative polarity of battery component string;
(3) lamination: glass, EVA, battery component string, glass fibre, EVA, backboard are laid from bottom to top successively, standby;
(4) component lamination: the battery that will lay is put into laminating machine, by vacuumizing the air in the assembly is extracted out, and heating makes the EVA fusing that battery component string, glass and backboard are bonded together then; Assembly is taken out in cooling at last;
(5) deburring: lamination finishes burr is excised;
(6) frame up: with said modules rim frame, fill with encapsulants in the slit of frame and assembly, connects with the angle key between each frame;
(7) welding terminal box: at box of lead-in wire place, assembly back side welding;
(8) Hi-pot test: between module frame and contact conductor, apply voltage, the resistance to pressure of test suite and dielectric strength;
(9) module testing: according to AM=1.5, E=1000W/m
2, TC=25 ± 2 ℃ condition the power output of battery is demarcated, satisfy nominal power ± 3% promptly qualified.
2. the packaging technology in the assembly production process according to claim 1 is characterized in that: glass is high transmission rate, high-intensity toughened glass in the step (3).
3. the packaging technology in the assembly production process according to claim 1 is characterized in that: step (3), (4) dorsulum are the polyvinyl fluoride composite membrane, and thickness is 0.17mm-0.35mm, and vertically shrinkage is not more than 1.5%.
4. the packaging technology in the assembly production process according to claim 1 is characterized in that: lamination circulation timei is 20-30 minute in the step (4), and curing temperature is 150 ℃.
5. the packaging technology in the assembly production process according to claim 1 is characterized in that: used encapsulants is the neutral silicone resin glue of high bond strength in the step (6).
6. the packaging technology in the assembly production process according to claim 1, it is characterized in that: test voltage is (2Vmax+1000) VDC in the step (8), leakage current is 50 μ A, time 1min or voltage are 1.2 * (2Vmax+1000) VDC, leakage current 50 μ A, time 1S, the voltage raising speed is not more than 500V/S.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100226292A CN102157582A (en) | 2011-01-20 | 2011-01-20 | Packaging technology in module production process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100226292A CN102157582A (en) | 2011-01-20 | 2011-01-20 | Packaging technology in module production process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102157582A true CN102157582A (en) | 2011-08-17 |
Family
ID=44438911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100226292A Pending CN102157582A (en) | 2011-01-20 | 2011-01-20 | Packaging technology in module production process |
Country Status (1)
| Country | Link |
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| CN (1) | CN102157582A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103116066A (en) * | 2013-02-04 | 2013-05-22 | 天津英利新能源有限公司 | Method and device for determining power tap position of photovoltaic module |
| CN104638059A (en) * | 2013-11-15 | 2015-05-20 | 江苏天宇光伏科技有限公司 | Monocrystalline silicon solar cell module packaging technology |
| CN104795467A (en) * | 2015-04-14 | 2015-07-22 | 四川和鼎环保工程有限责任公司 | Manufacturing method of solar panel |
| CN105449050A (en) * | 2016-01-08 | 2016-03-30 | 浙江晶科能源有限公司 | Manufacturing method for crystalline silicon solar cell assembly |
| CN105633214A (en) * | 2016-02-19 | 2016-06-01 | 安徽旭能光伏电力有限公司 | Production process of double-glass photovoltaic module |
| CN109564993A (en) * | 2016-08-05 | 2019-04-02 | 大日本印刷株式会社 | Battery use packing material and battery |
| CN113363339A (en) * | 2020-03-03 | 2021-09-07 | 银特(上海)半导体科技有限公司 | Packaging method based on fusion welding |
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| EP0755079A2 (en) * | 1995-07-19 | 1997-01-22 | Canon Kabushiki Kaisha | A protective material for a semiconductor element, a semiconductor element provided with said protective material, and a semiconductor device provided with said semiconductor element |
| CN101478010A (en) * | 2008-07-07 | 2009-07-08 | 山东科明太阳能光伏有限公司 | Double side photovoltaic battery wall component and manufacturing process thereof |
| CN101533872A (en) * | 2009-04-29 | 2009-09-16 | 淮安伟豪新能源科技有限公司 | Packaging technology for crystal silicon solar-energy photovoltaic battery unit |
-
2011
- 2011-01-20 CN CN2011100226292A patent/CN102157582A/en active Pending
Patent Citations (3)
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| EP0755079A2 (en) * | 1995-07-19 | 1997-01-22 | Canon Kabushiki Kaisha | A protective material for a semiconductor element, a semiconductor element provided with said protective material, and a semiconductor device provided with said semiconductor element |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103116066A (en) * | 2013-02-04 | 2013-05-22 | 天津英利新能源有限公司 | Method and device for determining power tap position of photovoltaic module |
| CN103116066B (en) * | 2013-02-04 | 2015-11-25 | 天津英利新能源有限公司 | A kind of defining method of power tap position of photovoltaic module and device |
| CN104638059A (en) * | 2013-11-15 | 2015-05-20 | 江苏天宇光伏科技有限公司 | Monocrystalline silicon solar cell module packaging technology |
| CN104795467A (en) * | 2015-04-14 | 2015-07-22 | 四川和鼎环保工程有限责任公司 | Manufacturing method of solar panel |
| CN105449050A (en) * | 2016-01-08 | 2016-03-30 | 浙江晶科能源有限公司 | Manufacturing method for crystalline silicon solar cell assembly |
| US9722117B1 (en) | 2016-01-08 | 2017-08-01 | Zhejiang Jinko Solar Co., Ltd. | Method for manufacturing crystalline silicon solar cell modules |
| CN105449050B (en) * | 2016-01-08 | 2017-12-29 | 浙江晶科能源有限公司 | A kind of preparation method of crystal silicon solar battery component |
| CN105633214A (en) * | 2016-02-19 | 2016-06-01 | 安徽旭能光伏电力有限公司 | Production process of double-glass photovoltaic module |
| CN109564993A (en) * | 2016-08-05 | 2019-04-02 | 大日本印刷株式会社 | Battery use packing material and battery |
| CN113363339A (en) * | 2020-03-03 | 2021-09-07 | 银特(上海)半导体科技有限公司 | Packaging method based on fusion welding |
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Application publication date: 20110817 |