CN101728455B - Method for machining light-concentrating solar cell components - Google Patents

Method for machining light-concentrating solar cell components Download PDF

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Publication number
CN101728455B
CN101728455B CN2008101967736A CN200810196773A CN101728455B CN 101728455 B CN101728455 B CN 101728455B CN 2008101967736 A CN2008101967736 A CN 2008101967736A CN 200810196773 A CN200810196773 A CN 200810196773A CN 101728455 B CN101728455 B CN 101728455B
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Prior art keywords
concentrating solar
component
assembly
vinyl acetate
cell
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CN2008101967736A
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CN101728455A (en
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占远清
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Jiangsu Green Power PV Co Ltd
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Jiangsu Green Power PV Co Ltd
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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
    • 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 relates to a method for machining light-concentrating solar cell components. The method adopts the following machining steps: sorting and sub-filing cell pieces; welding and serially connecting the cell pieces through ultrasonic wave; laying tempered glass, one ethylene and vinyl acetate copolymer adhesive film, cell pieces, one ethylene and vinyl acetate copolymer adhesive film and a backplane one by one; putting a laid cell component in a laminating machine; pumping out air in the component through vacuumization; heating the obtained product to between 120 and 180 DEG C to melt the ethylene and vinyl acetate copolymer adhesive films; laminating the obtained product for 20 to 30 minutes; bonding the cell pieces, the tempered glass and the backplane together; taking out the cooled component; cutting off component burr; providing the component with frames; filling gaps between the frames and the component with silica gel; connecting the frames with clamp springs or screws; providing the back of the component with a terminal box; and detecting and packaging the obtained product. The light-concentrating solar cell components produced by the method have the advantages of long lifespan, high photoelectric conversion rate, low material loss and low production cost.

Description

Method for machining light-concentrating solar cell components
Technical field
The present invention relates to a kind of manufacturing approach of solar energy power generating apparatus assembly, particularly a kind of method for machining light-concentrating solar cell components.
Background technology
Solar radiant energy is an important energy, is the energy inexhaustible, nexhaustible, pollution-free, cheap, that the mankind can freely utilize.Solar energy arrives the energy on ground each second up to 800,000 kilowatts, if transfer the solar energy of earth surface 0.1% to electric energy, number turnover 5%, annual energy output can reach 5.6 * 1012 kilowatt-hours, is equivalent to 40 times of present energy consumption in the world.Though solar energy is the abundantest regenerative resource resource, yet expensive, the low photoelectric conversion efficiency of solar power generation and the useful life of solar module are the obstacles that large-scale develops and utilizes always.
The concentrating solar battery is through concentrator larger area sunlight to be gathered in a small range; Form " burnt band " or " focal spot ", i.e. line style optically focused or some type optically focused are to increase light intensity; Overcome the low defective of solar radiation energy-flux density, thereby obtain more electric energy output; Yet the optoelectronic transformation efficiency of line style optically focused of the prior art is lower, and some type optically focused can produce the aberration of solar facula under the situation that solar incident angle changes, influence optoelectronic transformation efficiency; For bigger electrical power is provided; The manufacturer can connect a plurality of solar module monomers and parallel connection, makes it be linked to be solar battery sheet, yet battery sheet of the prior art connects comparatively complicacy; The battery sheet is placed on outdoor in the open, has certain limitation its useful life.
Summary of the invention
The object of the present invention is to provide that a kind of optoelectronic transformation efficiency is higher, production cost is low, the battery sheet is easy to connect, the processing method of the light-concentrating solar cell components of long service life.
The technical scheme that realizes the object of the invention is: a kind of processing method of light-concentrating solar cell components is characterized in that: adopt following procedure of processing:
A, pond sheet sorting and stepping;
B, each battery sheet are through ultrasonic bonding and series connection;
C, successively toughened glass, ethene and vinyl acetate adhesive film, battery sheet, ethene and vinyl acetate adhesive film, backboard are laid;
D, the battery component that will lay are put into laminating machine; Through vacuumizing the air in the assembly is extracted out; Be heated to 120~180 ℃ then, make the fusing of ethene and vinyl acetate adhesive film, lamination is 20~30 minutes then; Battery sheet, toughened glass and backboard are bonded together, take out assembly after cooling;
E, assembly burr;
F, to assembly frame is installed, fill with silica gel in the slit of frame and assembly, between each frame with jump ring or screw connection;
G, at the assembly back side installation connection box;
H, detection, packing.
The steps d lamination time in the above method for machining light-concentrating solar cell components is 25 minutes, and curing temperature is 150 ℃.
Battery sheet in the above method for machining light-concentrating solar cell components is formed by connecting the concentrating solar battery cell, and the procedure of processing of concentrating solar battery cell is: a, spherical silicon form; B, Surface Machining; C, PN junction form; D, PN junction etching are separated; E, electrode printing; The concentrating solar battery cell is processed in f, PN junction and condenser aggregate erection.
The double negative electrode of doing of the condenser of the concentrating solar battery cell in the above method for machining light-concentrating solar cell components; The outline of its upper, open end is a hexagon; The positive electrode of concentrating solar battery cell is drawn from the condenser bottom, and the making step of battery sheet is following: a, each concentrating solar battery cell negative electrode ultrasonic bonding; The outline ultrasonic bonding of b, each concentrating solar battery cell condenser upper, open end.
The present invention has following characteristics: in the middle of (1) the present invention is clipped in the battery sheet through toughened glass and backboard; Through vacuumizing the air in the battery component is extracted out; Heating makes ethene and vinyl acetate adhesive film fusing then; Toughened glass, battery sheet and backboard are bonded together, further sealed cell assembly of frame and the intensity that increases battery component are installed again, make light-concentrating solar cell components have higher useful life; (2) PN junction of the present invention is spherical, can farthest receive sunlight, and under the situation that solar incident angle changes; Can eliminate the aberration of solar facula, the reverberation on PN junction surface is reflexed to the surface once more, reduces the light loss that surface reflection produces; Increase electric current; The PN junction Lower Half connects also and can receive rayed simultaneously, prevents that the voltage that causes because of shade from descending, and improved optoelectronic transformation efficiency greatly.(3) PN junction of the present invention is spherical, need not cut into slices, and material unaccounted-for (MUF) reduces significantly, and the use amount of material is 1/5th of a silicon metal battery, has reduced production cost; (4) outline of condenser upper, open end of the present invention is a hexagon, is convenient to the array assembling, and is connected firmly; (5) the double negative electrode of doing of condenser of the present invention, and positive electrode is arranged on the condenser bottom, is convenient to the electrical connection when array is assembled, reasonable in design ingenious.
Embodiment
(embodiment 1)
The first step completes the light-concentrating solar cell components monomer through following steps earlier: a, spherical silicon form; B, Surface Machining; C, PN junction form; D, PN junction etching are separated; E, electrode printing; F, PN junction and condenser aggregate erection; Second one connects into the battery sheet with the light-concentrating solar cell components monomer: the double negative electrode of doing of the condenser of concentrating solar battery cell; The outline of its upper, open end is a hexagon; The positive electrode of concentrating solar battery cell is drawn from the condenser bottom, and the making step of battery sheet is following: a, each concentrating solar battery cell negative electrode ultrasonic bonding; The outline ultrasonic bonding of b, each concentrating solar battery cell condenser upper, open end; The 3rd step was the processing method of light-concentrating solar cell components, adopted following procedure of processing:
A, pond sheet sorting and stepping: because the randomness of battery sheet manufacturing conditions, the battery performance of producing is not quite similar, thus for effectively that performance is consistent or close battery combination together, classify according to its performance parameter; The battery testing i.e. size of the output parameter through test battery is classified to it;
B, each battery sheet are through ultrasonic bonding and series connection;
C, successively toughened glass, ethene and vinyl acetate adhesive film, battery sheet, ethene and vinyl acetate adhesive film, backboard are laid: back serial connection is good and through after the assay was approved; The ethene of battery sheet, toughened glass and well cutting and vinyl acetate adhesive film, backboard laid according to certain level prepare lamination, backboard is coated with one deck reagent (primer) in advance to increase the adhesive strength of backboard and ethene and vinyl acetate adhesive film.Guarantee the relative position of materials such as battery sheet and toughened glass when laying, adjust the distance between the battery sheet, for lamination is laid a solid foundation;
D, the battery component that will lay are put into laminating machine, vacuumize the air in the assembly is extracted out, are heated to 150 ℃ then; Make the fusing of ethene and vinyl acetate adhesive film; Lamination is 25 minutes then, and battery sheet, toughened glass and backboard are bonded together, and takes out assembly after cooling;
E, excision assembly burr;
F, to assembly frame is installed, fill with silica gel in the slit of frame and assembly, between each frame with jump ring or screw connection;
G, at the assembly back side installation connection box;
H, detection, packing.

Claims (2)

1. method for machining light-concentrating solar cell components is characterized in that: adopt following procedure of processing:
(1), the battery sheet is formed by connecting the concentrating solar battery cell, the procedure of processing of concentrating solar battery cell is: a, spherical silicon form; B, Surface Machining; C, PN junction form; D, PN junction etching are separated; E, electrode printing; The concentrating solar battery cell is processed in f, PN junction and condenser aggregate erection;
(2), sorting of battery sheet and stepping;
(3), each battery sheet is through ultrasonic bonding and series connection;
(4), successively toughened glass, ethene and vinyl acetate adhesive film, battery sheet, ethene and vinyl acetate adhesive film, backboard are laid;
The battery component that (5), will lay is put into laminating machine; Through vacuumizing the air in the assembly is extracted out; Be heated to 150 ℃ then, make the fusing of ethene and vinyl acetate adhesive film, lamination is 20~30 minutes then; Battery sheet, toughened glass and backboard are bonded together, take out assembly after cooling;
(6), excision assembly burr;
(7), frame is installed, fill with silica gel in the slit of frame and assembly to assembly, between each frame with jump ring or screw connection;
(8), the installation connection box at the assembly back side;
(9), detect, pack.
2. according to the said method for machining light-concentrating solar cell components of claim 1; It is characterized in that: the double negative electrode of doing of the condenser of concentrating solar battery cell; The outline of its upper, open end is a hexagon; The positive electrode of concentrating solar battery cell is drawn from the condenser bottom, and the making step of battery sheet is following: a, each concentrating solar battery cell negative electrode ultrasonic bonding; The outline ultrasonic bonding of b, each concentrating solar battery cell condenser upper, open end.
CN2008101967736A 2008-10-13 2008-10-13 Method for machining light-concentrating solar cell components Active CN101728455B (en)

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Application Number Priority Date Filing Date Title
CN2008101967736A CN101728455B (en) 2008-10-13 2008-10-13 Method for machining light-concentrating solar cell components

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CN101728455B true CN101728455B (en) 2012-07-04

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102152594B (en) * 2010-12-30 2014-05-14 阿特斯(中国)投资有限公司 Method for laminating solar battery module
CN102332487B (en) * 2011-05-25 2013-05-08 湖南红太阳光电科技有限公司 Transplanting and sucking device of full-automatic solar cell testing and separation equipment
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
CN106183225A (en) * 2016-08-25 2016-12-07 广州奥鹏能源科技有限公司 The manufacture method of solar portable beam condensing unit

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6215060B1 (en) * 1997-04-21 2001-04-10 Canon Kabushiki Kaisha Method for manufacturing a solar cell module
CN2909535Y (en) * 2006-03-31 2007-06-06 黄惠民 Solar silicon cells
CN101226970A (en) * 2008-01-31 2008-07-23 张二建 Processing method for avoiding hot spot effect of solar cell module

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6215060B1 (en) * 1997-04-21 2001-04-10 Canon Kabushiki Kaisha Method for manufacturing a solar cell module
CN2909535Y (en) * 2006-03-31 2007-06-06 黄惠民 Solar silicon cells
CN101226970A (en) * 2008-01-31 2008-07-23 张二建 Processing method for avoiding hot spot effect of solar cell module

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