CN108767061A - A kind of solar cell fabrication process - Google Patents
A kind of solar cell fabrication process Download PDFInfo
- Publication number
- CN108767061A CN108767061A CN201810532989.9A CN201810532989A CN108767061A CN 108767061 A CN108767061 A CN 108767061A CN 201810532989 A CN201810532989 A CN 201810532989A CN 108767061 A CN108767061 A CN 108767061A
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- China
- Prior art keywords
- fixed
- crystalline silicon
- fixed seat
- cutter
- solar cell
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims abstract description 30
- 230000008569 process Effects 0.000 title claims abstract description 19
- 229910021419 crystalline silicon Inorganic materials 0.000 claims abstract description 87
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 44
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 38
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 32
- 229910052710 silicon Inorganic materials 0.000 claims description 29
- 239000010703 silicon Substances 0.000 claims description 29
- 238000005520 cutting process Methods 0.000 claims description 28
- 239000013078 crystal Substances 0.000 claims description 21
- 238000009792 diffusion process Methods 0.000 claims description 8
- 238000005516 engineering process Methods 0.000 claims description 7
- 230000007246 mechanism Effects 0.000 claims description 7
- 238000010344 co-firing Methods 0.000 claims description 6
- 238000005096 rolling process Methods 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 claims description 4
- 230000007797 corrosion Effects 0.000 claims description 4
- 238000005260 corrosion Methods 0.000 claims description 4
- 239000002994 raw material Substances 0.000 claims description 4
- 239000004411 aluminium Substances 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 3
- 238000005530 etching Methods 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 238000007639 printing Methods 0.000 claims description 3
- 230000009467 reduction Effects 0.000 claims description 3
- 229910021421 monocrystalline silicon Inorganic materials 0.000 claims description 2
- 238000000605 extraction Methods 0.000 claims 1
- 238000002347 injection Methods 0.000 claims 1
- 239000007924 injection Substances 0.000 claims 1
- 230000009471 action Effects 0.000 description 9
- 238000001816 cooling Methods 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 239000003708 ampul Substances 0.000 description 1
- 239000006117 anti-reflective coating Substances 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002019 doping agent Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 238000005389 semiconductor device fabrication Methods 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000002210 silicon-based material Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/18—Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof
- H01L31/1804—Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof comprising only elements of Group IV of the Periodic Table
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D5/00—Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor
- B28D5/0058—Accessories specially adapted for use with machines for fine working of gems, jewels, crystals, e.g. of semiconductor material
- B28D5/0082—Accessories specially adapted for use with machines for fine working of gems, jewels, crystals, e.g. of semiconductor material for supporting, holding, feeding, conveying or discharging work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D5/00—Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor
- B28D5/04—Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor by tools other than rotary type, e.g. reciprocating tools
- B28D5/045—Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor by tools other than rotary type, e.g. reciprocating tools by cutting with wires or closed-loop blades
-
- 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
- H01L31/0236—Special surface textures
- H01L31/02363—Special surface textures of the semiconductor body itself, e.g. textured active layers
-
- 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
- Y02E10/547—Monocrystalline silicon PV cells
-
- 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
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The invention belongs to technical field of solar cell manufacturing, the crystalline silicon cutter device of specifically a kind of solar cell fabrication process, the manufacturing process includes pedestal, fixing bracket, double-slider rodless cylinder, supporting rack, cutter device, fixed seat, gripping block, riser；The fixing bracket is mounted on the base；The double-slider rodless cylinder is fixed on fixing bracket；Support frame as described above quantity is two, is fixed on the sliding block of double-slider rodless cylinder；The cutter device is fixed on supporting rack；The fixed seat quantity is two, and one of fixed seat is fixed on fixing bracket, another fixed seat is fixed on riser；The gripping block gripping block is fixed in fixed seat；The riser is fixed on the base.The present invention can improve the quality of finished product, improve production efficiency, be conducive to the production of large batch of solar cell.
Description
Technical field
The invention belongs to technical field of solar cell manufacturing, specifically a kind of solar cell fabrication process.
Background technology
In order to reduce the production cost of production solar cell, solar cell of Ground Application etc. is using solar level
Crystalline silicon, material performance index are relaxed, and the material end to end and useless crystalline silicon material of semiconductor device fabrication can also be used in some
Material, by being drawn into the dedicated crystalline silicon of solar cell again, crystal silicon solar energy battery cuts into slices crystalline silicon, and general piece is thick
About 0.3 millimeter, raw material silicon chip to be processed is made by processes such as rubbing down, cleanings in silicon chip, processes solar battery sheet, first
Doping and diffusion, general dopant to be micro boron, phosphorus, antimony etc. on silicon chip, diffusion is that the high temperature made of quartz ampoule expands
It dissipates and is carried out in stove, thus form PN junction on silicon chip, then use silk screen print method, the silver paste that essence prepares, which is imprinted on silicon chip, to be made
Through oversintering, while back electrode is made in grid line, and plates antireflective coating in the face for having grid line, to prevent a large amount of photon by silicon chip
Surface reflection is fallen, therefore the monomer film of crystal silicon solar energy battery is just made.But existing crystalline silicon cutter device is being cut
It is found when cutting crystalline silicon, in parts cutting process, stability is poor, causes it to cut accuracy relatively low；And parts
When cooling down, cools down not in time and its cooling procedure can not easily be observed, cause the practicality poor；And crystal
Silicon skimming wear in fixed seat is larger.
In consideration of it, a kind of solar cell fabrication process of the present invention, crystalline silicon cutter device can make crystal
Silicon position is easy to adjust and can carry out effectively fixing to crystalline silicon, ensure that the accuracy of crystalline silicon cutting；Simultaneously by crystal
Sliding friction of the silicon in fixed seat is changed into rolling friction, reduces the loss of crystalline silicon, reduces cost；The device may be used also
To be cooled down to crystalline silicon during crystalline silicon is cut, cooling procedure is easy to observe, and practicability is high；It is of the present invention
Solar energy manufacturing process improves production efficiency while improving product qualified rate, gradually becomes mainstream in new energy
Today there is very high practicability.
Invention content
In order to make up for the deficiencies of the prior art, the present invention proposes a kind of solar cell fabrication process, and the present invention is main
For the batch micro operations of solar cell, the crystalline silicon cutter device that this technique uses is filled by double-slider rodless cylinder and cutting
The cooperation set improves the cutting efficiency of crystalline silicon；The present invention cools down it while crystalline silicon is cut simultaneously, prevents
Loss in crystalline silicon cutting process, and cooling procedure is easily observed, improve practical；The present invention is by gripping block and admittedly
Reservation matches so that the position of crystalline silicon can easily be accommodated, and crystalline silicon can be effectively fixed by simultaneously clamping on block, it is ensured that cutting
Accurately.
The technical solution adopted by the present invention to solve the technical problems is：A kind of solar cell manufacture of the present invention
Technique, the technique include the following steps：
Step 1：Crystal silicon raw material is placed and is cut on crystalline silicon cutter device；
Step 2：After the completion of step 1 cutting, the crystalline silicon of well cutting is placed in lye and removes damaging layer, while making crystalline substance
Body silicon face is uneven, forms diffusing reflection, the sun loss of energy of reduction direct projection to surface of crystalline silicon；
Step 3：In step 2 after crystalline silicon corrosion, DIFFUSION TREATMENT is done to crystalline silicon, crystalline silicon is made to form PN sections；
Step 4：In step 3 after DIFFUSION TREATMENT, to treated, crystalline silicon carries out etching edge and cleaning, makes crystalline silicon
Tentatively become solar cell；
Step 5：After crystalline silicon forms solar cell blank in step 4, silver-colored aluminium paste is printed by silk screen print method
At the positive back side of solar cell, to form positive and negative electrode lead；
Step 6：After solar cell is completed for printing in step 5, solar cell is set to form metal by co-firing technology
Contact；
Step 7：In step 6 after the completion of co-firing technology, test and stepping are carried out to the solar energy prepared, finally returned
Class；
Wherein, the crystalline silicon cutter device described in step 1 includes pedestal, fixing bracket, double-slider rodless cylinder, branch
Support, cutter device, fixed seat, gripping block and riser；The fixing bracket is mounted on the base；The double-slider rodless cylinder
It is fixed on fixing bracket, double-slider rodless cylinder is for driving cutter to move up and down；Support frame as described above quantity is two, supporting rack
It is separately fixed on the sliding block of double-slider rodless cylinder；The cutter device quantity is two, and cutter device is fixed on supporting rack,
Cutter device is oppositely arranged up and down, and cutter device is used for sliced crystal silicon；The fixed seat quantity is two, one of fixed seat
It is fixed on fixing bracket, another fixed seat is fixed on riser, and fixed seat is for placing crystalline silicon；The clamping number of blocks
It is two, gripping block is respectively arranged in two pieces of fixed seats, gripping block or so opposition setting；The riser is fixed on the base, and is stood
Plate is used to support fixed seat.
The fixed seat front and rear sides offer the sliding slot of rectangle, and pulley is additionally provided in fixed seat, if the pulley quantity
Dry, pulley is used to sliding friction of the crystalline silicon in fixed seat being changed into rolling friction；The gripping block is cuboid, long
The length direction of cube right side upper edge cuboid offers rectangular recess, and there are one screw, the spiral shells for the setting of cuboid top
Nail can run through cuboid；Gripping block is provided with the convex block of rectangle on the front-rear side walls of rectangular recess, and rectangular cam is located at solid
In reservation sliding slot, gripping block realizes horizontal sliding by rectangular cam in fixed seat, and screw is provided at the top of cuboid；The spiral shell
Nail is through cuboid and is contacted with fixed seat, fixation of the screw for realizing gripping block in fixed seat.When work, by crystalline silicon
It is placed in fixed seat, crystalline silicon moves on the pulley of fixed seat, behind the position for adjusting crystalline silicon, rotates two folders respectively
Screw on tight block, crystalline silicon is fixed.
The cutter device includes pedestal and cutter；The pedestal is fixed in fixed seat, and base interior also opens up
There is rectangular enclosure, the rectangular enclosure is for storing water；Pedestal both sides are equipped with inlet opening, and the inlet opening is opened equipped with electromagnetism
It closes, inlet opening is used to that water to be injected or extracted out into pedestal rectangular enclosure；The rectangle that the cutter is fixed on pedestal by spring is empty
Intracavitary, cutter are used for sliced crystal silicon, and cutter is additionally provided with impeller, pin and piston, hollow cavity, cutter top are provided with inside cutter
Portion offers through-hole one and through-hole two respectively with bottom；The impeller is mounted on by shaft in through-hole one；The piston is located at
In cutter boring chamber, piston is connected by spring with cutter, and piston is for sealing through-hole two.When work, from outer
High pressure water is injected on boundary into rectangular enclosure, and piston is opened under the action of high pressure water, and high pressure water enters hollow cavity and leads to and drive
Wheel rotation, impeller is as cutter is to crystalline silicon movement and sliced crystal silicon so that gap occurs in surface of crystalline silicon, and cutter continues
Sliced crystal silicon, the mobile of cutter can compress rectangular enclosure so that the water in cavity constantly sprays, until cutting terminates.
The both sides of the cutter device are additionally provided with deflector, and the deflector is internally provided with channel, and baffle surface is provided with
The inlet opening of inlet opening, baffle surface is connected with the channel inside deflector, and the end of deflector inner passage was equipped with
Strainer, filter screen for will enter deflector inside water be filtered, the channel inside deflector also with pedestal both sides into
Water hole is connected, and deflector is for injecting water into the rectangular enclosure of base interior.When work, the water sprayed in through-hole one is fallen on
Baffle surface, water enters via the inlet opening of baffle surface in deflector inner passage, and after the completion of cutting, cutter is in spring
Under the action of be displaced outwardly, with the pop-up of cutter, a negative pressure is generated in rectangular enclosure, the electromagnetism opened at this time on pedestal is opened
It closes, the water after deflector self-filtering flows under the action of negative pressure in rectangular enclosure.
The fixed seat bottom is additionally provided with supporting mechanism, and the supporting mechanism includes fixed block, magnet, supporting rod, fixation
Bar and spring；The fixed block is L-shaped, and fixed block is mounted on fixed seat bottom；The fixed link quantity is two, fixed link opposition
It is fixed on fixed block；The supporting rod is mounted on by shaft in fixed link, and supporting rod is used to support the crystalline silicon after cutting；
The magnet quantity is two, and one of magnet is fixed on fixed block bottom, another magnet is connected with supporting rod one end, magnetic
Iron phase opposite polarity is different, and magnet is used to control the upper and lower of supporting rod；The spring one end is fixed on supporting rod, and spring is another
End is fixed on fixed block, and spring is for ensureing that magnet can not realize actuation under self gravitation effect.When work, with cutter
Movement, the deflector on cutter below fixed seat can touch supporting rod, and supporting rod is driven to move a distance, with
The movement of supporting rod, the magnet and the magnet of supporting rod lower end on fixed block are close, and final two blocks of magnet is pulled together, at this time
The upper end of supporting rod touches the bottom surface of crystalline silicon around pin rotation, and supporting rod supports crystalline silicon.
The beneficial effects of the invention are as follows：
1. a kind of solar cell fabrication process of the present invention, the double-slider rodless cylinder and cutter device phase
Mutually cooperation can accelerate the speed of cutting so that cutting efficiency is greatly speeded up, and improves production efficiency, while making cutting production
Raw damaging layer is reduced so that damaging layer removal becomes simple, improves final product quality.
2. a kind of solar cell fabrication process of the present invention, while removing damaging layer to surface of crystalline silicon into
Row corrosion treatment so that surface of crystalline silicon is uneven, forms diffusing reflection, reduces the solar energy for being irradiated to surface of crystalline silicon
Loss；Finished product solar energy utilization ratio is improved, and accelerates manufacturing speed, improves production efficiency.
3. a kind of solar cell fabrication process of the present invention, the pulley in the fixed seat can be by crystalline silicon
It is changed into rolling friction in the sliding friction of fixed seating face, reduces loss of the crystalline silicon in moving process so that crystal
Silicon can easily be accommodated position, and can effectively crystalline silicon be fixed by simultaneously clamping on block, it is ensured that the accuracy of cutting is reduced into
This, improves final product quality, improves production efficiency.
Description of the drawings
The invention will be further described below in conjunction with the accompanying drawings.
Fig. 1 is the flow chart of solar cell fabrication process of the present invention；
Fig. 2 is the front view of the present invention；
Fig. 3 is A-A sectional views in Fig. 1；
Fig. 4 is the partial enlarged view at B in Fig. 1；
Fig. 5 is the structural schematic diagram of cutter device of the present invention；
In figure：Pedestal 1, fixing bracket 2, double-slider rodless cylinder 3, supporting rack 4, cutter device 5, fixed seat 6, gripping block
7, riser 8, supporting mechanism 9, pedestal 51, cutter 52, deflector 53, rectangular enclosure 511, impeller 521, piston 522, hollow cavity
523, through-hole 1, through-hole 2 525, filter screen 531, pulley 61, fixed block 91, magnet 92, supporting rod 93.
Specific implementation mode
In order to make the technical means, the creative features, the aims and the efficiencies achieved by the present invention be easy to understand, tie below
Specific implementation mode is closed, the present invention is further explained.
Such as Fig. 1 to Fig. 5, a kind of solar cell fabrication process of the present invention, which includes the following steps：
Step 1：Crystal silicon raw material is placed and is cut on crystalline silicon cutter device；
Step 2：After the completion of step 1 cutting, the crystalline silicon of well cutting is placed in lye and removes damaging layer, while making crystalline substance
Body silicon face is uneven, forms diffusing reflection, the sun loss of energy of reduction direct projection to surface of crystalline silicon；
Step 3：In step 2 after crystalline silicon corrosion, DIFFUSION TREATMENT is done to crystalline silicon, crystalline silicon is made to form PN sections；
Step 4：In step 3 after DIFFUSION TREATMENT, to treated, crystalline silicon carries out etching edge and cleaning, makes crystalline silicon
Tentatively become solar cell；
Step 5：After crystalline silicon forms solar cell blank in step 4, silver-colored aluminium paste is printed by silk screen print method
At the positive back side of solar cell, to form positive and negative electrode lead；
Step 6：After solar cell is completed for printing in step 5, solar cell is set to form metal by co-firing technology
Contact；
Step 7：In step 6 after the completion of co-firing technology, test and stepping are carried out to the solar energy prepared, finally returned
Class；
Wherein, the crystalline silicon cutter device described in step 1 include pedestal 1, fixing bracket 2, double-slider rodless cylinder 3,
Supporting rack 4, cutter device 5, fixed seat 6, gripping block 7 and riser 8；The fixing bracket 2 is mounted on pedestal 1；It is described double sliding
Block rodless cylinder 3 is fixed on fixing bracket 2, and double-slider rodless cylinder 3 is for driving cutter device 5 to move up and down；The branch
4 quantity of support is two, and supporting rack 4 is separately fixed on the sliding block of double-slider rodless cylinder 3；5 quantity of the cutter device is two,
Cutter device 5 is fixed on supporting rack 4, and about 5 cutter device is oppositely arranged, and cutter device 5 is used for sliced crystal silicon；It is described solid
6 quantity of reservation is two, and one of fixed seat 6 is fixed on fixing bracket 2, another fixed seat 6 is fixed on riser 8, Gu
Reservation 6 is for placing monocrystalline silicon；7 quantity of the gripping block is two, and gripping block 7 is respectively arranged in two pieces of fixed seats 6, gripping block
7 or so opposition settings；The riser 8 is fixed on pedestal 1, and riser 8 is used to support fixed seat 6.
6 front and rear sides of the fixed seat offer the sliding slot of rectangle, and pulley 61, the pulley 61 are additionally provided in fixed seat 6
Quantity is several, and pulley 61 is used to sliding friction of the crystalline silicon in fixed seat 6 being changed into rolling friction；The gripping block 7
Length direction for cuboid, cuboid right side upper edge cuboid offers rectangular recess, and gripping block is before rectangular recess
The convex block of rectangle is provided on rear wall, rectangular cam is located in 6 sliding slot of fixed seat, and gripping block 7 is by rectangular cam in fixation
Seat 6 realizes horizontal sliding, and screw is provided at the top of cuboid；The screw is contacted through cuboid and with fixed seat 6, and screw is used
In fixation of the realization gripping block 7 in fixed seat 6.When work, crystalline silicon is placed in fixed seat 6, crystalline silicon is in fixed seat 6
Pulley 61 on move, behind the position for adjusting crystalline silicon, respectively rotate two gripping blocks 7 on screw, crystalline silicon is fixed
It is good.
The cutter device 5 includes pedestal 51 and cutter 52；The pedestal 51 is fixed in fixed seat 6, pedestal 51
Inside is further opened with rectangular enclosure 511, and the rectangular enclosure 511 is for storing water；51 both sides of pedestal be equipped with inlet opening, it is described into
Water hole is equipped with electromagnetic switch, and inlet opening is used to that water to be injected or extracted out into 51 rectangular enclosure 511 of pedestal；The cutter 52 passes through
Spring is fixed in the rectangular enclosure 511 of pedestal 51, and cutter 52 is used for sliced crystal silicon, and cutter 52 is additionally provided with impeller 521, pin
With piston 522, hollow cavity 523 is provided with inside cutter 52,52 top and bottom of cutter offers through-hole 1 and through-hole respectively
2 525；The impeller 521 is mounted on by shaft in through-hole 1；The piston 522 is located at 52 boring chamber of cutter
In 523, piston 522 is connected by spring with cutter 52, and piston 522 is for sealing through-hole 2 525.When work, from the external world
High pressure water is injected into rectangular enclosure 511, piston 522 is opened under the action of high pressure water, and it is logical that high pressure water enters hollow cavity 523
And impeller 521 rotate, impeller 521 with cutter 52 to crystalline silicon movement and sliced crystal silicon so that surface of crystalline silicon goes out
Existing gap, cutter 52 continue sliced crystal silicon, and the mobile of cutter 52 can compress rectangular enclosure 511 so that the water in cavity is continuous
It sprays, until cutting terminates.
The both sides of the cutter device 5 are additionally provided with deflector 53, and the deflector 53 is internally provided with channel, 53 table of deflector
Face is provided with inlet opening, and the inlet opening on 53 surface of deflector is connected with the channel inside deflector 53,53 inner passage of deflector
End be equipped with filter screen 531, filter screen 531 for will enter deflector 53 inside water be filtered, inside deflector 53
Channel be also connected with the inlet opening of 51 both sides of pedestal, deflector 53 is used to inject water into rectangular enclosure inside pedestal 51
In 511.When work, the water that sprays in through-hole 1 falls on 53 surface of deflector, water via 53 surface of deflector inlet opening into
Enter in 53 inner passage of deflector, after the completion of cutting, cutter 52 is displaced outwardly under the action of the spring, with the bullet of cutter 52
Go out, a negative pressure is generated in rectangular enclosure 511, at this time the electromagnetic switch on opening pedestal 51, after 53 self-filtering of deflector
Water flows under the action of negative pressure in rectangular enclosure 511.
6 bottom of the fixed seat is additionally provided with supporting mechanism 9, and the supporting mechanism 9 includes fixed block 91, magnet 92, support
Bar 93, fixed link and spring；The fixed block 91 is L-shaped, and fixed block 91 is mounted on 6 bottom of fixed seat；The fixed link quantity
It is two, fixed link opposition is fixed on fixed block；The supporting rod 93 is mounted on by shaft in fixed link, and supporting rod 93 is used for
Crystalline silicon after support cutting；92 quantity of the magnet is two, and one of magnet 92 is fixed on 91 bottom of fixed block, another
Magnet 92 is connected with 93 one end of supporting rod, and 92 opposite face polarity of magnet is different, and magnet 92 is used to control the upper and lower of supporting rod 93；
The spring one end is fixed on supporting rod 93, and the spring other end is fixed on fixed block 91, and spring is for ensureing 92 nothing of magnet
Method realizes actuation under self gravitation effect.When work, with the movement of cutter 52, leading on the cutter 52 of 6 lower section of fixed seat
Flowing plate 53 can touch supporting rod 93, and supporting rod 93 is driven to move a distance, with the movement of supporting rod 93, fixed block 91
On magnet 92 and the magnet 92 of 93 lower end of supporting rod it is close, final two blocks of magnet 92 is attached together, at this time supporting rod 93
Upper end touches the bottom surface of crystalline silicon around pin rotation, and supporting rod 93 supports crystalline silicon.
Specific workflow：When work, crystalline silicon is placed in fixed seat 6, crystalline silicon rolls on 6 pulley 61 of fixed seat
It is dynamic, behind the position for adjusting crystalline silicon, the screw in two gripping blocks 7 is rotated respectively, crystalline silicon is fixed；From the external world to square
High pressure water is injected in shape cavity 511, piston 522 is opened under the action of high pressure water, and high pressure water enters the logical simultaneously band of hollow cavity 523
Movable vane wheel 521 rotates；Start double-slider rodless cylinder 3 at this time, upper lower cutting device 5 is under the action of double-slider rodless cylinder 3
It is close to each other, impeller 521 with cutter 52 to crystalline silicon movement and sliced crystal silicon so that there is gap in surface of crystalline silicon, cuts
Knife 52 continues sliced crystal silicon, the mobile water that can be compressed in rectangular enclosure 511 of cutter 52 so that the water in rectangular enclosure 511
It constantly sprays, until cutting terminates；In cutting process, with the movement of cutter 52, the water conservancy diversion on the cutter 52 of 6 lower section of fixed seat
Plate 53 can touch supporting rod 93, and supporting rod 93 is driven to move a distance, with the movement of supporting rod 93, on fixed block 91
Magnet 92 and the magnet 92 of 93 lower end of supporting rod it is close, final two blocks of magnet 92 is attached together, and supporting rod 93 is upper at this time
End touches the bottom surface of crystalline silicon around pin rotation, and supporting rod 93 supports crystalline silicon；Deflector 53 is collected simultaneously from logical
The water sprayed in hole 1, and collected water is imported into 53 inner passage of deflector；After cutting, cutter device 5
With double-slider rodless cylinder 3 movement away from each other, cutter 52 is displaced outwardly under the action of the spring, with the bullet of cutter 52
Go out, a negative pressure is generated in rectangular enclosure 511, the electromagnetic switch on pedestal 51 is opened at this time, via 53 inner passage of deflector
The water that interior filter screen 531 filters is entered by the inlet opening on pedestal 51 in rectangular enclosure 511.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, and the above embodiments and description only describe the originals of the present invention
Reason, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes and improvements
It all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appended claims and its equivalent circle
It is fixed.
Claims (5)
1. a kind of solar cell fabrication process, it is characterised in that：The manufacturing process includes the following steps；
Step 1：Crystal silicon raw material is positioned on crystalline silicon cutter device and is cut；
Step 2：After the completion of step 1 cutting, the crystalline silicon of well cutting is placed in lye and removes damaging layer, while making crystalline silicon
Surface irregularity forms diffusing reflection, the sun loss of energy of reduction direct projection to surface of crystalline silicon；
Step 3：In step 2 after crystalline silicon corrosion, DIFFUSION TREATMENT is done to crystalline silicon, crystalline silicon is made to form PN sections；
Step 4：In step 3 after DIFFUSION TREATMENT, to treated, crystalline silicon carries out etching edge and cleaning, keeps crystalline silicon preliminary
Become solar cell；
Step 5：After crystalline silicon forms solar cell blank in step 4, silver-colored aluminium paste is printed on too by silk screen print method
The positive back side of positive energy battery, to form positive and negative electrode lead；
Step 6：After solar cell is completed for printing in step 5, solar cell is set to form metal contact by co-firing technology；
Step 7：In step 6 after the completion of co-firing technology, test and stepping are carried out to the solar energy prepared, finally sorted out；
Wherein, the crystalline silicon cutter device described in step 1 includes pedestal (1), fixing bracket (2), double-slider rodless cylinder
(3), supporting rack (4), cutter device (5), fixed seat (6), gripping block (7) and riser (8)；The fixing bracket (2) is mounted on
On pedestal (1)；The double-slider rodless cylinder (3) is fixed on fixing bracket (2), and double-slider rodless cylinder (3) is for driving
Cutter device (5) moves up and down；Support frame as described above (4) quantity is two, and supporting rack (4) is separately fixed at double-slider rodless cylinder
(3) on sliding block；Cutter device (5) quantity is two, and cutter device (5) is fixed on supporting rack (4), cutter device (5)
It is oppositely arranged up and down, cutter device (5) is used for sliced crystal silicon；Fixed seat (6) quantity is two, one of fixed seat
(6) it is fixed on fixing bracket (2), another fixed seat (6) is fixed on riser (8), and fixed seat (6) is for placing monocrystalline
Silicon；Gripping block (7) quantity is two, and gripping block (7) is respectively arranged on two pieces of fixed seats (6), gripping block (7) left and right opposition
Setting；The riser (8) is fixed on pedestal (1), and riser (8) is used to support fixed seat (6).
2. a kind of solar cell fabrication process according to claim 1, it is characterised in that：The fixed seat (6) is front and back
Both sides offer the sliding slot of rectangle, pulley (61) are additionally provided in fixed seat (6), pulley (61) quantity is several, pulley (61)
For sliding friction of the crystalline silicon in fixed seat (6) to be changed into rolling friction；The gripping block (7) is cuboid, long
The length direction of cube right side upper edge cuboid offers rectangular recess, and gripping block is arranged on the front-rear side walls of rectangular recess
There are the convex block of rectangle, rectangular cam to be located in fixed seat (6) sliding slot, gripping block (7) is realized by rectangular cam in fixed seat (6)
Level sliding, cuboid top are provided with screw；The screw is contacted through cuboid and with fixed seat (6), and screw is for real
Existing fixation of the gripping block (7) in fixed seat (6).
3. a kind of solar cell fabrication process according to claim 1, it is characterised in that：The cutter device (5)
Including pedestal (51) and cutter (52)；The pedestal (51) is fixed in fixed seat (6), and square is further opened with inside pedestal (51)
Shape cavity (511), the rectangular enclosure (511) is for storing water；Pedestal (51) both sides are equipped with inlet opening, are set on the inlet opening
There are electromagnetic switch, inlet opening to be used for injection or extraction water into pedestal (51) rectangular enclosure (511)；The cutter (52) passes through bullet
Spring is fixed in the rectangular enclosure (511) of pedestal (51), and cutter (52) is used for sliced crystal silicon, and cutter (52) is additionally provided with impeller
(521), pin and piston (522), cutter (52) is internal to be provided with hollow cavity (523), and cutter (52) top and bottom is opened respectively
Equipped with through-hole one (524) and through-hole two (525)；The impeller (521) is mounted on by shaft in through-hole one (524)；The work
Plug (522) is located in cutter (52) boring chamber (523), and piston (522) is connected by spring with cutter (52), piston
(522) it is used to seal through-hole two (525).
4. a kind of solar cell fabrication process according to claim 3, it is characterised in that：The cutter device (5)
Both sides are additionally provided with deflector (53), and the deflector (53) is internally provided with channel, and deflector (53) surface is provided with inlet opening, water conservancy diversion
The inlet opening on plate (53) surface channel internal with deflector (53) is connected, and the end of deflector (53) inner passage was equipped with
Strainer (531), filter screen (531) are used to enter the internal water of deflector (53) and are filtered, and deflector (53) is internal to be led to
Road is also connected with the inlet opening of pedestal (51) both sides, and deflector (53) is used to inject water into the internal rectangular enclosure of pedestal (51)
(511) in.
5. a kind of solar cell fabrication process according to claim 1, it is characterised in that：Fixed seat (6) bottom
Be additionally provided with supporting mechanism (9), the supporting mechanism (9) include fixed block (91), magnet (92), supporting rod (93), fixed link and
Spring；The fixed block (91) is L-shaped, and fixed block (91) is mounted on fixed seat (6) bottom；The fixed link quantity is two, Gu
Fixed pole opposition is fixed on fixed block；The supporting rod (93) is mounted on by shaft in fixed link, and supporting rod (93) is for branch
Crystalline silicon after support cutting；Magnet (92) quantity is two, and one of magnet (92) is fixed on fixed block (91) bottom, separately
One magnet (92) is connected with supporting rod (93) one end, and magnet (92) opposite face polarity is different, and magnet (92) is for controlling branch
Above and below strut (93)；The spring one end is fixed on supporting rod (93), and the spring other end is fixed on fixed block (91), bullet
Spring is for ensureing that magnet (92) can not realize actuation under self gravitation effect.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111261749A (en) * | 2020-01-20 | 2020-06-09 | 东方日升（常州）新能源有限公司 | Novel heterojunction battery slicing method |
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| CN104465859A (en) * | 2013-09-17 | 2015-03-25 | 哈尔滨市宏天锐达科技有限公司 | Manufacture technical process of solar battery |
| CN105576075A (en) * | 2014-10-16 | 2016-05-11 | 江苏凯旋涂装自动化工程有限公司 | Processing technology of solar cell |
| CN107599198A (en) * | 2017-11-07 | 2018-01-19 | 肖叶 | A kind of silicon rod cutting device for solar cell processing |
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|---|---|---|---|---|
| JP4192894B2 (en) * | 2005-01-14 | 2008-12-10 | 株式会社デンソー | Method of cutting workpiece by wire saw and wire saw cutting device |
| CN104465859A (en) * | 2013-09-17 | 2015-03-25 | 哈尔滨市宏天锐达科技有限公司 | Manufacture technical process of solar battery |
| CN105576075A (en) * | 2014-10-16 | 2016-05-11 | 江苏凯旋涂装自动化工程有限公司 | Processing technology of solar cell |
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| CN111261749A (en) * | 2020-01-20 | 2020-06-09 | 东方日升（常州）新能源有限公司 | Novel heterojunction battery slicing method |
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