CN100517767C - Photovoltaic assembly, Manufacturing method and application thereof - Google Patents

Photovoltaic assembly, Manufacturing method and application thereof Download PDF

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Publication number
CN100517767C
CN100517767C CNB2006100233596A CN200610023359A CN100517767C CN 100517767 C CN100517767 C CN 100517767C CN B2006100233596 A CNB2006100233596 A CN B2006100233596A CN 200610023359 A CN200610023359 A CN 200610023359A CN 100517767 C CN100517767 C CN 100517767C
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CN
China
Prior art keywords
battery chip
photovoltaic module
battery
photovolt
grid line
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CNB2006100233596A
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Chinese (zh)
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CN1825631A (en
Inventor
冯文茂
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHANGHAI FENGGUANG ENERGY SOURCE SCIENCE AND TECHNOLOGY Co Ltd
Original Assignee
SHANGHAI FENGGUANG ENERGY SOURCE SCIENCE AND TECHNOLOGY Co Ltd
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Application filed by SHANGHAI FENGGUANG ENERGY SOURCE SCIENCE AND TECHNOLOGY Co Ltd filed Critical SHANGHAI FENGGUANG ENERGY SOURCE SCIENCE AND TECHNOLOGY Co Ltd
Priority to CNB2006100233596A priority Critical patent/CN100517767C/en
Publication of CN1825631A publication Critical patent/CN1825631A/en
Application granted granted Critical
Publication of CN100517767C publication Critical patent/CN100517767C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50Manufacturing or production processes characterised by the final manufactured product

Abstract

The invention discloses a photovolt component and the manufacturing method and application thereof. And it comprises battery chips arranged on an epoxy plate. And its manufacturing method: cutting and stepping the battery chip; press-welding the welding rods on main grids of the battery chips and connecting the battery chips in series; placing the series battery chips on the epoxy plate, where the back sides of the battery chips are arranged upward and each covered with polyester film and vinyl acetate polymer glue film from the top down; placing the spliced photovolt component into a laminator while making the polyester side of the spliced photovolt component downward, setting pointers of three vacuum meters on the laminator all less than -0.07Mpa, the temperature at 130 deg.C-135 deg.C and vacuumizing time 4-5 mins and thus forming a photovolt component. And it can be applied to small solar products and resin glue photovolt components, uneasy to change color, age and corrode and having long service life.

Description

A kind of photovoltaic module, its manufacture method and application
Technical field
The present invention relates to a kind of photovoltaic module, its manufacture method and application.
Background technology
At present, the photovoltaic module production technology has the photovoltaic module production technology of toughened glass and TPT encapsulation and the photovoltaic module production technology of resin glue and epoxy plate encapsulation.
1. glass light photovoltaic assembly production technology: according to confirmation request chip current to the photovoltaic module peak power output, and then definite battery chip area, carry out scribing then.Battery chip is carried out stepping under fixed point voltage, select for use and suitable just be coated with the tin copper strips battery chip, negative pole is drawn, and according to the requirement to the photovoltaic module output voltage battery chip of some is connected, and is stitched together by the design size of solar panel.Select for use high-quality EVA battery chip to be encapsulated between low iron toughened glass in upper strata and the TPT of lower floor, contact with the direct of external environment with isolated battery chip by hot pressing and curing, thus the protection solar battery chip.
Adopt the photovoltaic module of the high saturating low iron toughened glass of high strength, anti-aging EVA resin, photovoltaic cell sheet and the production of TPT composite film to have good weatherability and anti-hail waterproof ability, useful life is about 20 years.Because the glass light photovoltaic assembly adopts high saturating low iron toughened glass, makes photovoltaic module weight increase greatly, circular components or irregular assembly will improve the purchase cost of toughened glass greatly if desired.The specification of toughened glass assembly also makes the photovoltaic module area also bigger from 50W to 200W, can't be applied in the small-sized solar product.
2. the production technology of resin photovoltaic module: according to requirements such as photovoltaic module maximum output current voltages, determine area, the sheet number of battery chip, battery chip is cut, the chip of well cutting is gone here and there, spliced to meet the characteristic requirement of photovoltaic module with the tin copper strips that is coated with that is fit to, string is pieced together good battery chip be fixed on the epoxy sheet material, and carry out the both positive and negative polarity outlet, be placed on then on the horizontal stand, drip resin glue on request, pump to dry behind the bubble in the resin and get final product.
The assembly of resin glue photovoltaic module production technology production has shortcomings such as easy to change, easy aging, perishable, that useful life is short.
Summary of the invention
Technical problem to be solved by this invention is: a kind of photovoltaic module, its manufacture method and application that overcomes above-mentioned deficiency, anti-aging, long service life is provided.
Technical scheme of the present invention is:
A kind of manufacture method of photovoltaic module comprises the steps:
1) battery chip is cut, and the main grid that copper electrode is pressed in the battery chip front is extremely gone up, battery chip is carried out stepping according to the current indication of go-on-go tester;
2) with the welding rod pressure welding on the main grid line of battery chip, the back one battery chip the current feed pressure welding on the back electrode of last battery chip;
3) the battery chip back side after the serial connection upwards is placed on the epoxy plate, covered with polyester film, vinyl acetate adhesive film successively from top to bottom on the back side of battery chip;
4) this faces down and puts into laminating machine with spliced photovoltaic module polyester, and all less than-0.07Mpa, temperature is 130 ℃~135 ℃ to the index of setting three vacuum meters on the laminating machine, and the timing 4~5 minutes of finding time forms the photovoltaic module product.
The present invention is owing to adopt macromolecule membrane---polyester, and polyester has iris action to gas and liquid, can avoid these two kinds of materials to touch the opposite side of barrier coat.After being made into packing film or foil material, the ability that can provide different barrier gas to permeate.The physical characteristic that it is unique comprises that hardness, heat resistance, grease resistance, oxygen-barrier property, impressionability, heat sealability, odorless, tasteless etc. make photovoltaic module have sparkling and crystal-clear penetrating fine outward appearance, do not contain any stabilization agent and plasticizer and do not have that harmful element is discharged, good toughness and extensibility.And vinyl acetate adhesive film is a kind of heat cured membranaceous PUR, has good pliability, resistance to impact, elasticity, optical transparence, low temperature around song, adherence, environmental stress crack resistance, weatherability, chemical proofing, heat seal and electrical property, can play the adhering and sealing effect, be not clamminess under the normal temperature, operation easy to use, but be heated to required temperature, inward nature just take place change, comprise physics and variation chemistry.Under molten condition, it and photovoltaic cell sheet, polyester, epoxy plate produce bonding, the existing physics of this process has the bonding of chemistry again, therefore rely on vinyl acetate adhesive film to make trilaminate material consist of one, the photovoltaic module that forms can be widely used in the small-sized solar product, be that product specification all can from 0.1W to 50W more than 10 years useful life.
Embodiment
At first, battery chip is tested, open laser scribing means and computer system, access, set required scribing program, on the scribing platform, make central point, laser knife is positioned on the central point setting computer parameter according to battery chip specification to be cut.The battery chip to be cut back side is placed on the scribing platform up.Start the cutting button, the focus of laser moved up and down, when laser beat the spark overwhelming majority of on battery chip, distributing when upwards scurrying focal length just mixed up.Regulate cutting current knob voltage stabilizing potentiometer, make electric current reach the cutting desirable value, this moment, the battery chip of cutting still fused, but can just break into two with one's hands with hand.Scribing machine cuts according to institute's battery chip size, shape after setting, regulating.The battery chip of drawing good sheet is tested and go-on-go, open the go-on-go tester and tester is calibrated.The mesuring battary chip is placed on the testboard copper coin, and copper electrode is pressed on the main grid line in battery chip front, guarantee that its contact of positive and negative electrode is good, regulate the voltage of go-on-go tester.According to current indication battery chip is carried out stepping, carry out self check behind the EO.
Secondly, the battery chip that go-on-go is good is tested, determine that battery chip does not have fragment, crack, crackle, do not have obviously and stain, no grid line comes off.The welding that shears in advance is placed in the no-clean scaling powder soaked 15 minutes, use after taking out airing then.Layer overlay filter paper on smooth jig, battery chip faces up and is placed on the filter paper.The welding bar is placed on the battery chip main grid line,, with electric iron the pressure welding of welding bar is got on, carry out self check behind the EO along the main grid line on first thin grid line or between first to second thin grid line.Last process is tested, determine no broken, crack, crackle, current feed welds straight, firm.The battery chip back side of having welded of specified quantity upwards is placed on the template.Spacing in accordance with regulations uses the electric iron pressure welding on the back electrode of last battery chip the current feed of back one battery chip.Battery chip translation after the serial connection is placed on the epoxy plate, carries out self check behind the EO, determine that outward appearance is straight, not crooked, the battery chip spacing is even, firm welding, no rosin joint, leakage weldering, it is exceptionally straight that positive and negative electrode connects welding between battery chip, distortionless phenomenon.The polyester film and the vinyl acetate adhesive film that have cut are covered above the battery chip.
At last, start the lamination unit, adjusting the laminating machine design temperature according to the characteristic of acetate ethylene copolymer glue is 130 ℃~135 ℃, the setting timing 4~5 minutes of finding time, make on the laminating machine three vacuum meter pointers less than-0.07Mpa, the photovoltaic module polyester that splicing is good is sent into laminating machine heating plate central authorities down, presses to close to cover button and shut the laminating machine loam cake.After treating that lamination is finished automatically, take out the assembly deburring, carry out self check behind the EO, determine that battery chip does not have fragment, crackle in the photovoltaic module, 0.5~1mm2 bubble is no more than 3, and 1~1.5mm2 bubble is no more than 1, does not have in the assembly and bumps the sheet phenomenon.
Wherein battery chip is the crystal silicon photovoltaic cell chip, and polyester film, vinyl acetate adhesive film are the commercially available prod.
Photovoltaic module can extensively should be in numerous solar products such as solar lawn lamp, solar walls head lamp, solar traffic light, solar energy hand lamp, solar camping lamp, solar charger, solar energy handicraft.
Solar lamp utilizes photovoltaic module that solar energy converting is become electric energy, and with electrical power storage in storage battery, through electronic circuit and light controlling device, realize automatic reception energy storage on daytime, night automatic bright lamp.
The solar energy handicraft as the solar energy windmill, when sunlight or light directly impinge upon on the photovoltaic module, through opto-electronic conversion, produces electric current, and electric current enters electrical micro-machine by lead, and micro-motor is rotated, and the fan blade of windmill also rotates thereupon.

Claims (4)

1, a kind of manufacture method of photovoltaic module comprises the steps:
1) battery chip is cut, and the main grid that copper electrode is pressed in the battery chip front is extremely gone up, battery chip is carried out stepping according to the current indication of go-on-go tester;
2) with the welding rod pressure welding on the main grid line of battery chip, the back one battery chip the current feed pressure welding on the back electrode of last battery chip;
3) the battery chip back side after the serial connection upwards is placed on the epoxy plate, covered with polyester film, vinyl acetate adhesive film successively from top to bottom on the back side of battery chip;
4) this faces down and puts into laminating machine with spliced photovoltaic module polyester, and all less than-0.07Mpa, temperature is 130 ℃~135 ℃ to the index of setting three vacuum meters on the laminating machine, and the timing 4~5 minutes of finding time forms the photovoltaic module product.
2, according to the manufacture method of the described photovoltaic module of claim 1, it is characterized in that: the battery chip after the cutting still fuses.
3, according to the manufacture method of the described photovoltaic module of claim 1, it is characterized in that: the welding rod that shears is placed in the no-clean scaling powder in advance soaked 15 minutes, take out behind the airing standby then.
4, according to the manufacture method of claim 1 or 3 described photovoltaic modulies, it is characterized in that: the welding rod on the battery chip along the main grid line pressure be welded on first thin grid line or first to second thin grid line between.
CNB2006100233596A 2006-01-17 2006-01-17 Photovoltaic assembly, Manufacturing method and application thereof Expired - Fee Related CN100517767C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNB2006100233596A CN100517767C (en) 2006-01-17 2006-01-17 Photovoltaic assembly, Manufacturing method and application thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNB2006100233596A CN100517767C (en) 2006-01-17 2006-01-17 Photovoltaic assembly, Manufacturing method and application thereof

Publications (2)

Publication Number Publication Date
CN1825631A CN1825631A (en) 2006-08-30
CN100517767C true CN100517767C (en) 2009-07-22

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Family Applications (1)

Application Number Title Priority Date Filing Date
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Country Status (1)

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CN (1) CN100517767C (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2006349274B2 (en) * 2006-10-09 2013-08-22 S.I.E.M. S.R.L. Process for manufacturing combined solar panels of photovoltaic and thermal type and related solar panel
CN101140960B (en) * 2007-09-30 2010-08-25 常州亿晶光电科技有限公司 Crystalline silicon solar array series welding stencil-plate
CN101471393B (en) * 2007-12-25 2010-06-16 深圳市瑞华建设股份有限公司 Method for preparing photovoltaic battery assembly and photovoltaic battery assembly made by the method
CN107799626A (en) * 2016-08-30 2018-03-13 天津市瓦克新能源科技有限公司 A kind of manufacture method of photovoltaic battery panel

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
特开2000-196128A 2000.07.14

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Granted publication date: 20090722

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