CN107221567A - A kind of many main grid crystal silicon solar batteries pieces and welding method - Google Patents
A kind of many main grid crystal silicon solar batteries pieces and welding method Download PDFInfo
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- CN107221567A CN107221567A CN201710403470.6A CN201710403470A CN107221567A CN 107221567 A CN107221567 A CN 107221567A CN 201710403470 A CN201710403470 A CN 201710403470A CN 107221567 A CN107221567 A CN 107221567A
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- 238000003466 welding Methods 0.000 title claims abstract description 144
- 239000013078 crystal Substances 0.000 title claims abstract description 28
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title claims abstract description 26
- 229910052710 silicon Inorganic materials 0.000 title claims abstract description 26
- 239000010703 silicon Substances 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title claims abstract description 25
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910052709 silver Inorganic materials 0.000 claims abstract description 7
- 239000004332 silver Substances 0.000 claims abstract description 7
- 238000010521 absorption reaction Methods 0.000 claims description 25
- 229910052751 metal Inorganic materials 0.000 claims description 17
- 239000002184 metal Substances 0.000 claims description 17
- 238000000576 coating method Methods 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 239000010949 copper Substances 0.000 claims description 2
- 239000012634 fragment Substances 0.000 claims description 2
- 238000009413 insulation Methods 0.000 claims description 2
- 230000000630 rising effect Effects 0.000 claims description 2
- 230000011218 segmentation Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 5
- 239000004809 Teflon Substances 0.000 description 3
- 229920006362 Teflon® Polymers 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910021419 crystalline silicon Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- 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
- H01L31/02—Details
- H01L31/0224—Electrodes
- H01L31/022408—Electrodes for devices characterised by at least one potential jump barrier or surface barrier
- H01L31/022425—Electrodes for devices characterised by at least one potential jump barrier or surface barrier for solar cells
- H01L31/022433—Particular geometry of the grid contacts
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- 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
- H01L31/05—Electrical interconnection means between PV cells inside the PV module, e.g. series connection of PV cells
- H01L31/0504—Electrical interconnection means between PV cells inside the PV module, e.g. series connection of PV cells specially adapted for series or parallel connection of solar cells in a module
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- 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
- H01L31/18—Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof
- H01L31/1876—Particular processes or apparatus for batch treatment of the devices
- H01L31/188—Apparatus specially adapted for automatic interconnection of solar cells in a module
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- 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
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Sustainable Development (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Life Sciences & Earth Sciences (AREA)
- Power Engineering (AREA)
- Sustainable Energy (AREA)
- Manufacturing & Machinery (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention provides a kind of many main grid crystal silicon solar batteries pieces, back electrode including battery body and front electrode and the back side, wherein described front electrode includes waiting a plurality of secondary grid line vertically equidistantly arranged, also include a plurality of thin grid line equidistantly arranged in the horizontal direction, pad is set on described secondary grid line, pad width is less than or equal to 1mm, the connection of pad vertically is connected using curve, the back electrode is the back side silver electrode equidistantly arranged in the horizontal direction, and the back electrode width is less than or equal to 2mm；The present invention changes cell piece back side electrode arrangements, plus distinctive welding method, make many main grid cell pieces during automatic series welding, welding is firm firm, many main grid cell piece back side weldings will not be offset, sealing-off, welding quality is improved, ensure that front, back side welding are fitted many main grid cell pieces always, form good welding effect.
Description
Technical field
The invention belongs to solar battery sheet Manufacturing Techniques field, and in particular to a kind of many main grid crystal silicon solar electricity
Pond piece and welding method.
Background technology
The development of the mankind be unable to do without the energy, as economic develops rapidly, energy demand is continuously increased, solar-electricity
Ratio of the pond in energy demand is by more and more higher.
At present, the crystalline silicon solar cell modules main grid line number of in the market main flow is generally 3 grid, in recent years, to improve too
Positive battery efficiency, reduces cost, and battery manufacturer brings up to 4, even 5 from 3 from putting forward efficient angle by main grid.With
The development of technology, occurs in that the technology of many main grids, i.e., in a plurality of main grid of cell piece front printing（Generally 10-20 roots main grid
Line）, the technology allows the printing width of secondary grid line to be reduced to 15um-30um by 60um, greatly reduces the usage amount of silver paste, together
When shorten the transmission of electric current on secondary grid line, reduce secondary grid line resistance power loss.
In existing many main grid cell piece positive and negative electrode structures, many main grid cell piece front electrodes and the secondary grid of backplate
Line number is equal, and orientation is consistent, and front pair grid line plays the connection function of cell piece and welding, and its grid line quantity is more, and one
As be 10-20 roots, secondary grid line is mainly made up of pad；Back electrode structure be a plurality of electrodes series, electrode column number, position with just
Face pair grid line is corresponded.Because many more conventional weldings of main grid welding are thinner lighter, therefore, many main grid cell piece back side weldings are easy
Shift, back side welding sealing-off problem is difficult to effective solution, limits the development and popularization of many main grid technologies.
The content of the invention
To solve the above problems, the invention discloses a kind of many main grid crystal silicon solar batteries pieces and welding method, structure
Uniqueness, method practical convenient can fast and effectively ensure many main grid welding of battery film effects, improve welding quality.
To reach above-mentioned purpose, technical scheme is as follows：
A kind of many main grid crystal silicon solar batteries pieces, it is characterised in that：Including cell piece mainboard, cell piece mainboard front interval row
The secondary grid line of 10-24 bars is arranged, secondary grid line is vertically arranged, every secondary grid line is made up of pad, and pad number is 10-90, pad edge
The length of horizontal direction is not more than between 1mm, pad vertically to be connected using connecting line, cell piece mainboard front level side
To thin grid line is spaced, thin grid line width is 15-65um, and the cell piece mainboard back side includes electrode and Al-BSF, the electrode
The silver electrode composition being segmented for 2-5 bars, the equidistant horizontal direction arrangement of electrode, electrode is vertical with positive secondary grid line, electrode width
No more than 2mm.
Further, the pad be shaped as rectangle, circular or other figures.
Further, the connecting line between the pad can be the combination of straight line, curve, broken line or curve and straight line.
Many main grid crystal silicon solar batteries piece welding methods, it is characterised in that：Comprise the following steps：
（1）The short many main grid weldings of 10-24 bars are placed in the first station along conveying tape motion direction, perpendicular to conveying tape motion direction
The conventional welding of 2-5 roots is placed on many main grid weldings；
（2）Conventional welding is welded together with short many main grid weldings using heater；
（3）Many main grid cell pieces are positioned on the first station, cell piece backplate is overlapped with conventional welding, and the first station is defeated
Band vacuum absorption holes are sent to open, by cell piece absorption on the conveyor belt；
（4）Conveyer belt drives cell piece to be moved to the second station, the first station vacuum suction bore closure, the second station vacuum suction
Hole is normally opened；
（5）The many main grid weldings of 10-24 root length are positioned on the first station and the second station by manipulator, manipulator crawl wire netting
Frame is positioned on the cell piece of the second station, and many conventional weldings are disposed vertically many main grid weldings in the first station by manipulator
On, heater welds together the conventional welding of the first station, long many main grid weldings；
（6）Many main grid cell pieces are positioned on the first station, cell piece backplate is overlapped with conventional welding, and the first station is defeated
Band vacuum absorption holes are sent to open；
（7）Conveyer belt drives above-mentioned cell piece to be moved to next station, and main grid more than a string can be completed by constantly repeating said process
Cell piece is placed, welding laying is fixed, transmitted, welding sequence；
（8）Many main grid welding of battery film are carried out in the 5th station, positive many main grid weldings, the conventional welding in the back side are soldered to battery
On piece；
（9）Manipulator captures metal screen frame on the 7th station from conveyer belt, and is moved to the first station.
Further, many main grid welding numbers are equal with the secondary grid line number in many main grid cell pieces front, it is preferred that many
Main grid welding is circular welding, welding diameter 0.2-0.6mm.
Further, the conventional welding is tin-coated copper welding, and cross section is rectangle, it is preferred that conventional welding size
1.2*0.15mm, the length of welding is less than battery leaf length.
Further, the conveyer belt vacuum absorption holes, are opened at the cell piece back side, by cell piece absorption in conveyer belt
On.
Further, the conveyer belt vacuum absorption holes, the second station and its follow-up station, vacuum absorption holes one are headed straight for
Open, the first station vacuum absorption holes are optionally opened.
Further, the conveyer belt is provided with vacuum absorption holes in edge, with adsorbing metal screen frame, prevents wire netting
Frame on conveyer belt in shifting.
Further, the metal screen frame includes rack, wire, wire fixing axle, scalable briquetting, the rack
At least 2 row longitudinal flutings are provided with, the wire is arranged in groove, wire surface is coated with coating, wire two ends connect
Wire fixing axle is connect, the scalable briquetting is arranged on rack two ends.
Further, the wire surface coating is Teflon coating（Teflon）, to prevent metal in welding process
Silk welds together with circular welding.
It is preferred that, the cell piece conveyer belt has preheating, heat insulation function, i.e. 80 DEG C of the first station temperature, the second station
100 DEG C of temperature, 120 DEG C of 3rd station temperature, 130 DEG C of the 4th station temperature, 150 DEG C of the 5th station temperature, after the 6th station is
Continuous station temperature is constantly reduced, and the gentle rising of cell piece preheating temperature advantageously reduces welding of battery film fragment rate.
Further, the cell piece is welded, welding temperature when the 5th station is welded using infrared welding device
180-280 DEG C, weld interval 1.5-3 second.
Further, described is heating rod, welding by the heater that conventional welding and many main grid weldings weld together
Temperature is 280-350 DEG C, and weld interval is 1-1.5 seconds.
The beneficial effects of the invention are as follows：
The invention provides the welding method of a kind of many main grid crystal silicon solar batteries pieces, and many main grid cell pieces, change
Cell piece back side electrode arrangements, make many main grid cell pieces during automatic series welding, and front, back side welding are fitted lead more always
Grid cell piece, welding is firm firm, and many main grid cell piece back side weldings will not be offset, sealing-off, improves welding quality.
Brief description of the drawings
Fig. 1 is many main grid crystal silicon solar batteries piece half tone designs of the present invention.
Fig. 2 designs for monocrystalline solar cells piece half tone of the present invention.
Fig. 3 is metal screen frame schematic diagram of the present invention.
Fig. 4 is many main grid crystal silicon solar batteries pieces of the present invention, welding laying side view.
Fig. 5 is many main grid crystal silicon solar batteries pieces of the present invention, welding laying top view.
Reference numerals list：
1st, polycrystalline cell piece body, 2, secondary grid line, 3, pad, 4, connecting line, 5, the polycrystalline cell piece body back side, 6, silver electrode,
7th, Al-BSF, 8, single crystal battery piece body, 9, the single crystal battery piece body back side, 10, metal screen frame, 11, wire, 12, metal
Silk fixing axle, 13, scalable briquetting, 14, short many main grid weldings, 15, conventional welding, 16, many main grid cell pieces, 17, long lead more
Grid welding, 18, metal screen frame, 19, many main grid cell pieces front, 20, positive many main grid weldings, the cell piece of main grid more than 21 back side,
22nd, many main grid weldings in the back side.
Embodiment
With reference to the accompanying drawings and detailed description, the present invention is furture elucidated, it should be understood that following embodiments are only
For illustrating the present invention rather than limitation the scope of the present invention.It should be noted that the word " preceding " used below in description,
" rear ", "left", "right", "up" and "down" refer to the direction in accompanying drawing, and word " interior " and " outer " refer respectively to direction or remote
From the direction of particular elements geometric center.
As shown in figure 1, present embodiments providing a kind of many main grid crystal silicon solar batteries pieces, the cell piece mainly includes electricity
Pond piece body 1, and positioned at the secondary grid line 2 in the positive front of cell piece body, secondary grid line is mainly made up of pad 3, pad and weldering
Connected mode between disk is connected using curve connecting line 4, and the cell piece body back side 5 is main by 7 groups of silver electrode 6 and Al-BSF
Into.
Wherein, cell piece body length of side 156.75mm, the secondary grid line number in cell piece front is 16, and each secondary grid line is main by 18
Pad is constituted, and thin grid line number is 90.
It is preferred that, every secondary grid line is made up of 2 head and the tail pads, 16 intermediate contact pads, head and the tail 1 × 2.5mm of pad size,
1 × 0.5mm of intermediate contact pads, larger-size head and the tail pad may insure the welding effect of face bonding band.
It is preferred that, the connection between each pad is using 2 curve connecting line connections.
Further, the orientation of back side silver electrode is perpendicular to positive secondary grid line direction.
The present embodiment additionally provides another monocrystalline solar cells piece, mainly includes battery body front 8, cell piece sheet
The body back side 9, as shown in Figure 2.
As shown in Figures 4 and 5, a string of main grid welding of battery film processes more than 3 are welded, specific action is as follows：
（1）16 short many main grid weldings are placed in the first station along conveying tape motion direction, are put perpendicular to conveying tape motion direction
3 conventional weldings are put on many main grid weldings；
（2）Conventional welding is welded together with many main grid weldings using heating rod；
（3）Many main grid cell pieces are positioned on the first station, cell piece backplate is overlapped with conventional welding, and the first station is defeated
Band vacuum absorption holes are sent to open, by cell piece absorption on the conveyor belt, to prevent cell piece to be shifted in course of conveying；
（4）Conveyer belt drives cell piece to be moved to the second station, the first station vacuum suction bore closure, the second station vacuum suction
Hole is normally opened；
（5）16 long many main grid weldings are positioned on the first station and the second station by manipulator, manipulator crawl metal screen frame
On the cell piece for being positioned over the second station, 3 conventional weldings are disposed vertically on many main grid weldings of the first station by manipulator,
Heater welds together the conventional welding of the first station, many main grid weldings；
（6）Main grid cell piece more than second is positioned on the first station, cell piece backplate is overlapped with conventional welding, first
Station conveyer belt vacuum absorption holes are opened；
（7）Conveyer belt drives above-mentioned cell piece to be moved to next station, and 3rd station vacuum absorption holes are normally opened, the first station vacuum
Adsorb bore closure；
（8）16 long many main grid weldings are positioned on the first station and the second station by manipulator, manipulator crawl metal screen frame
On the cell piece for being positioned over the second station, 3 conventional weldings are disposed vertically on many main grid weldings of the first station by manipulator,
Heater welds together the conventional welding of the first station, many main grid weldings；
（9）Main grid cell piece more than 3rd is positioned on the first station, cell piece backplate is overlapped with conventional welding, first
Station conveyer belt vacuum absorption holes are opened, and 16 short many main grid weldings are positioned on the first station cell piece by manipulator；
（10）Conveyer belt drives above-mentioned cell piece to be moved to next station, and the 4th station vacuum absorption holes are normally opened, and the first station is true
The attached bore closure of suction；
（11）Manipulator crawl metal screen frame is positioned on the cell piece of the second station；
（12）Conveyer belt drives above-mentioned cell piece to be moved to next station, and the 5th station vacuum absorption holes are normally opened, in the 5th station
Many main grid welding of battery film are carried out, welding manner uses infrared welding, positive many main grid weldings, the conventional welding in the back side are soldered to
On cell piece；
（13）Conveyer belt drives above-mentioned cell piece to be moved to next station；
（14）Manipulator captures metal screen frame on the 7th station from conveyer belt, and is moved to the first station.
A kind of welding method of many main grid crystal silicon solar batteries pieces described in the present embodiment, changes cell piece backside structure
Three conventional weldings are first soldered to the cell piece back side by arrangement, by conventional welding welding electrode, make the firm jail of electrode welding
Lean on, will not offset, sealing-off, improve welding quality.
The present invention carries out many main grid welding of battery film in the 5th station, is to ensure that heating rod is heated to suitable temperature, will
The many main grid weldings in front, the conventional welding in the back side are soldered on cell piece, make the progress that whole welding procedure is normal, orderly, without
Wait, operating efficiency is high.
Wherein step（5）（8）（11）Described is metal screen frame, including rack 1, wire 2, wire with heat insulating coat
Fixing axle 3, scalable briquetting 4, as shown in figure 3, being machined with multiple row longitudinal fluting on rack to fix wire, wire two
Wire fixing axle is fixed at end, and by adjusting wire fixing axle with tension metal silk, metal screen frame does not directly bear against electricity
On the piece of pond, but the welding on cell piece and cell piece is pushed down by wire, due to offering vacuum suction on conveyer belt
Scalable briquetting 4 is adsorbed on belt conveyor by hole, and scalable briquetting drives wire to be adjacent to cell piece face bonding band, and will
Welding is fixed on cell piece, and cell piece is by many band heat insulating coats（Teflon coatings）Wire 2 tightly push down, welding is flat
It is whole firm, do not conduct heat, cell piece uniform force will not be destroyed.
Technological means disclosed in the present invention program is not limited only to the technological means disclosed in above-mentioned embodiment, in addition to
Constituted technical scheme is combined by above technical characteristic.
Claims (13)
1. a kind of many main grid crystal silicon solar batteries pieces, it is characterised in that：Including cell piece mainboard, cell piece mainboard front interval
The secondary grid line of 10-24 bars is arranged, secondary grid line is vertically arranged, every secondary grid line is made up of pad, and pad number is 10-90, pad
Length in the horizontal direction is not more than between 1mm, pad vertically to be connected using connecting line, cell piece mainboard front level
Direction is spaced thin grid line, and thin grid line width is 15-65um, and the cell piece mainboard back side includes electrode and Al-BSF, the electricity
The silver electrode of extremely 2-5 bars segmentation is constituted, and the equidistant horizontal direction arrangement of electrode, electrode is vertical with positive secondary grid line, and electrode is wide
Degree is not more than 2mm.
2. a kind of many main grid crystal silicon solar batteries pieces according to claim 1, it is characterised in that：The shape of the pad
For rectangle, circular or other figures.
3. a kind of many main grid crystal silicon solar batteries pieces according to claim 1, it is characterised in that：Between the pad
Connecting line can be the combination of straight line, curve, broken line or curve and straight line.
4. a kind of welding method of many main grid crystal silicon solar batteries pieces, it is characterised in that：Comprise the following steps：
（1）The short many main grid weldings of 10-24 bars are placed in the first station along conveying tape motion direction, perpendicular to conveying tape motion direction
The conventional welding of 2-5 roots is placed on many main grid weldings；
（2）Conventional welding is welded together with short many main grid weldings using heater；
（3）Many main grid cell pieces are positioned on the first station, cell piece backplate is overlapped with conventional welding, and the first station is defeated
Band vacuum absorption holes are sent to open, by cell piece absorption on the conveyor belt；
（4）Conveyer belt drives cell piece to be moved to the second station, the first station vacuum suction bore closure, the second station vacuum suction
Hole is normally opened；
（5）The many main grid weldings of 10-24 root length are positioned on the first station and the second station by manipulator, manipulator crawl wire netting
Frame is positioned on the cell piece of the second station, and many conventional weldings are disposed vertically many main grid weldings in the first station by manipulator
On, heater welds together the conventional welding of the first station, long many main grid weldings；
（6）Many main grid cell pieces are positioned on the first station, cell piece backplate is overlapped with conventional welding, and the first station is defeated
Band vacuum absorption holes are sent to open；
（7）Conveyer belt drives above-mentioned cell piece to be moved to next station, and main grid more than a string can be completed by constantly repeating said process
Cell piece is placed, welding laying is fixed, transmitted, welding sequence；
（8）Many main grid welding of battery film are carried out in the 5th station, positive many main grid weldings, the conventional welding in the back side are soldered to battery
On piece；
（9）Manipulator captures metal screen frame on the 7th station from conveyer belt, and is moved to the first station.
5. a kind of welding method of many main grid crystal silicon solar batteries pieces according to claim 4, it is characterised in that：It is described
Many main grid welding numbers are equal with the secondary grid line number in many main grid cell pieces front, it is preferred that many main grid weldings are circular welding, weldering
Band diameter 0.2-0.6mm.
6. a kind of welding method of many main grid crystal silicon solar batteries pieces according to claim 4, it is characterised in that：It is described
Conventional welding is rectangle tin-coated copper welding, it is preferred that conventional welding size 1.2*0.15mm, and the length of welding is less than battery length of a film
Degree.
7. a kind of welding method of many main grid crystal silicon solar batteries pieces according to claim 4, it is characterised in that：It is described
Conveyer belt vacuum absorption holes, are opened at the cell piece back side, by cell piece absorption on the conveyor belt.
8. a kind of welding method of many main grid crystal silicon solar batteries pieces according to claim 4, it is characterised in that：It is described
Conveyer belt vacuum absorption holes, the second station and its follow-up station, vacuum absorption holes are always on, the first station vacuum absorption holes
Optionally open.
9. a kind of welding method of many main grid crystal silicon solar batteries pieces according to claim 4, it is characterised in that：It is described
Conveyer belt is provided with vacuum absorption holes in edge.
10. a kind of welding method of many main grid crystal silicon solar batteries pieces according to claim 4, it is characterised in that：Institute
Stating metal screen frame includes rack, wire, wire fixing axle, scalable briquetting, and the rack is recessed provided with least 2 row longitudinal directions
Groove, the wire is arranged in groove, and wire surface is coated with coating, and connection wire fixing axle in wire two ends is described
Scalable briquetting is arranged on rack two ends.
11. a kind of welding method of many main grid crystal silicon solar batteries pieces according to claim 4, it is characterised in that：Institute
Stating cell piece conveyer belt has preheating, heat insulation function, i.e. 80 DEG C of the first station temperature, 100 DEG C of the second station temperature, 3rd station
120 DEG C of temperature, 130 DEG C of the 4th station temperature, 150 DEG C of the 5th station temperature, the 6th station are that subsequent work stations temperature is constantly reduced,
The gentle rising of cell piece preheating temperature advantageously reduces welding of battery film fragment rate.
12. a kind of welding method of many main grid crystal silicon solar batteries pieces according to claim 4, it is characterised in that：Electricity
Pond piece is welded, 180-280 DEG C of welding temperature, weld interval 1.5-3 when the 5th station is welded using infrared welding device
Second.
13. a kind of welding method of many main grid crystal silicon solar batteries pieces according to claim 4, it is characterised in that：Will
Conventional welding is heating rod with the heater that many main grid weldings weld together, and welding temperature is 280-350 DEG C, weld interval
For 1-1.5 seconds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710403470.6A CN107221567B (en) | 2017-06-01 | 2017-06-01 | Multi-main-grid crystalline silicon solar cell and welding method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710403470.6A CN107221567B (en) | 2017-06-01 | 2017-06-01 | Multi-main-grid crystalline silicon solar cell and welding method |
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| CN107221567A true CN107221567A (en) | 2017-09-29 |
| CN107221567B CN107221567B (en) | 2023-08-11 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107552911A (en) * | 2017-10-24 | 2018-01-09 | 深圳市拉普拉斯能源技术有限公司 | The string welding machine and cell piece series welding method of a kind of double welding posts |
| CN109450038A (en) * | 2018-12-11 | 2019-03-08 | 安洁无线科技（苏州）有限公司 | Wireless charging mould group and its production technology |
| CN110355499A (en) * | 2018-03-26 | 2019-10-22 | 洛阳阿特斯光伏科技有限公司 | A kind of welding wire pressing device, welding equipment and control method |
| CN112563115A (en) * | 2019-09-10 | 2021-03-26 | 苏州阿特斯阳光电力科技有限公司 | Silicon ingot and preparation method thereof, and silicon wafer and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107552911A (en) * | 2017-10-24 | 2018-01-09 | 深圳市拉普拉斯能源技术有限公司 | The string welding machine and cell piece series welding method of a kind of double welding posts |
| CN110355499A (en) * | 2018-03-26 | 2019-10-22 | 洛阳阿特斯光伏科技有限公司 | A kind of welding wire pressing device, welding equipment and control method |
| CN109450038A (en) * | 2018-12-11 | 2019-03-08 | 安洁无线科技（苏州）有限公司 | Wireless charging mould group and its production technology |
| CN112563115A (en) * | 2019-09-10 | 2021-03-26 | 苏州阿特斯阳光电力科技有限公司 | Silicon ingot and preparation method thereof, and silicon wafer and preparation method thereof |
| CN112563115B (en) * | 2019-09-10 | 2022-07-15 | 苏州阿特斯阳光电力科技有限公司 | Silicon ingot and preparation method thereof, and silicon wafer and preparation method thereof |
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