CN105415868B - A kind of solar cell grid line perseverance angle printing process and device - Google Patents
A kind of solar cell grid line perseverance angle printing process and device Download PDFInfo
- Publication number
- CN105415868B CN105415868B CN201510886763.5A CN201510886763A CN105415868B CN 105415868 B CN105415868 B CN 105415868B CN 201510886763 A CN201510886763 A CN 201510886763A CN 105415868 B CN105415868 B CN 105415868B
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- China
- Prior art keywords
- printing
- solar cell
- angle
- grid line
- platform
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Links
- 238000007639 printing Methods 0.000 title claims abstract description 133
- 238000000034 method Methods 0.000 title claims abstract description 22
- 230000008569 process Effects 0.000 title claims abstract description 17
- 230000033001 locomotion Effects 0.000 claims abstract description 18
- 238000009987 spinning Methods 0.000 claims description 3
- 239000002002 slurry Substances 0.000 description 12
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 5
- 239000013078 crystal Substances 0.000 description 5
- 229910052710 silicon Inorganic materials 0.000 description 5
- 239000010703 silicon Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- JJWKPURADFRFRB-UHFFFAOYSA-N carbonyl sulfide Chemical compound O=C=S JJWKPURADFRFRB-UHFFFAOYSA-N 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 238000007650 screen-printing Methods 0.000 description 3
- 230000001680 brushing effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003854 Surface Print Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F15/00—Screen printers
- B41F15/14—Details
- B41F15/16—Printing tables
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F15/00—Screen printers
- B41F15/14—Details
- B41F15/34—Screens, Frames; Holders therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M1/00—Inking and printing with a printer's forme
- B41M1/12—Stencil printing; Silk-screen printing
-
- 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
-
- 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
Abstract
The invention discloses a kind of solar cell grid line perseverance angle printing processes, and when printing scraper acts on silk screen and prints grid line to solar cell, the position of the printing platform of the solar cell of adjustment carrying in real time is so that the angle between silk screen and printing platform is constant.The invention also discloses a kind of solar cell grid line perseverance angle printing equipments, including printing scraper, silk screen and printing platform for carrying solar cell, the silk screen is between printing scraper and printing platform, further include multi-dimensional movement component, the printing platform is connected with the multi-dimensional movement component and carries out position adjustment under the driving of multi-dimensional movement component to ensure that the angle α between the silk screen and printing platform when grid line printing is constant.The printing process and printing equipment of the present invention all has the advantages that easy to operate, printing angle is constant, printing quality consistency is good and printing quality is high.
Description
Technical field
The invention mainly relates to Photovoltaic new energy technical fields, refer in particular to a kind of solar cell grid line perseverance angle printing process
And device.
Background technology
Screen printing technique is the important process step during crystal silicon solar batteries are manufactured, in shape
At the crystal silicon battery surface printing conduction grid line of pn-junction, grid line printing quality is mainly reflected in the high consistency of grid line line and grid line line
Wide fluctuation.Grid line sectional area is minimum at the high minimum point of grid line line, and resistance is maximum, which will become whole grid line electric conductivity
Bottleneck.And the excessive printing of slurry reduces the active utilization rate of slurry at salient point, generation cost is improved, but to electrical efficiency
Have no contribution.And the fluctuation of grid line line width is then not only slurry utilization rate problem, the widest part of grid line line width will increase shading surface
Product, directly reduces cell piece photoelectric conversion efficiency.It under thin trend, controls line width stability in current grid line essence and reduces disconnected
Grid become the problem of puzzlement cell piece manufacture.Wherein determine that the main technologic parameters of grid line printing quality are screen printing technique
The disengaging angle of middle slurry and the second cosmic velocity of screen cloth.Now widely used cell piece screen printing apparatus cannot keep slurry
It is detached from the consistency of angle.Slurry is detached from angle and is gradually reduced in grid line printing starting, intermediate point and terminal point, the angle it is big
Amplitude variation leads to the high mean value of grid line line fluctuation in ± 6 μ ms.The second cosmic velocity of slurry, not only with grid line printing quality
The probability that increase cell piece is also pasted onto under web plate by directly related, too low second cosmic velocity is measured, the report of cell piece is directly resulted in
The waste of useless and a large amount of slurries, and cause to shut down the capacity loss handled.
Invention content
The technical problem to be solved in the present invention is that：For technical problem of the existing technology, the present invention provides one
Kind is easy to operate, keeps the solar cell grid line perseverance angle printing process that printing angle is constant, printing quality is high, and accordingly carries
A kind of solar cell grid line perseverance angle printing equipment simple in structure, printing quality consistency is high is supplied.
In order to solve the above technical problems, technical solution proposed by the present invention is：
A kind of solar cell grid line perseverance angle printing process acts on silk screen in printing scraper and is printed to solar cell
When grid line, the position of the printing platform of the solar cell of adjustment carrying in real time is so that the angle α between silk screen and printing platform is permanent
It is fixed.
As a further improvement of the above technical scheme：
The adjustment of printing platform position is realized by the lifting and spinning movement of printing platform.
The printing platform carries out position linkage by time quantum and printing scraper, to realize the position of printing platform with print
The position of brushing knife and adjust in real time.
The value range of the angle α is 3≤α≤8 degree.
The invention also discloses a kind of solar cell grid line perseverance angle printing equipment, including printing scraper, silk screen and
Printing platform for carrying solar cell, the silk screen further include multidimensional fortune between printing scraper and printing platform
Dynamic component, the printing platform are connected with the multi-dimensional movement component and carry out position adjustment under the driving of multi-dimensional movement component
To ensure that the angle α between the silk screen and printing platform when grid line printing is constant.
As a further improvement of the above technical scheme：
The multi-dimensional movement component includes bottom plate, lifting actuator and rotary drive, and the bottom plate is installed on described
The lower section of printing platform, is fixedly installed shaft between the bottom plate and printing platform, one end and the rotation of the shaft drive
Part is connected, and the lifting actuator is flexibly connected with the bottom plate.
The lifting actuator and rotary drive are driving motor.
Compared with the prior art, the advantages of the present invention are as follows：
1, solar cell grid line perseverance angle printing process of the invention is adjusted by the position to printing platform to ensure
Angle between printing platform and silk screen is constant, to ensure that printing scraper acts on the slurry that silk screen is printed to solar cell
Relatively uniform, i.e., the height of printing slurry and width consistency are high and in claimed range, to substantially increase printing quality
Amount, ensures the quality of solar cell.
2, solar cell grid line perseverance angle printing process of the invention makes the position of printing platform using time quantum as intermediary
It sets adjustment and follows printing scraper position, and printing platform realizes that position adjusts by lifting and rotating, realize simple, operation letter
Just.
3. the solar cell grid line perseverance angle printing equipment of the present invention not only has the advantages that described in method as above, and
And it is simple in structure and easy to operate.
Description of the drawings
Fig. 1 is flow chart of the method for the present invention.
Fig. 2 is structural schematic diagram of the device of the invention at initial print position.
Fig. 3 is structural schematic diagram of the device of the invention when terminating printing position.
Fig. 4 is one of the dimensional structure diagram of the multi-dimensional movement component of the present invention.
Fig. 5 is the two of the dimensional structure diagram of the multi-dimensional movement component of the present invention.
Fig. 6 is the side structure schematic view of the multi-dimensional movement component of the present invention.
Figure label indicates：1, printing platform；2, printing scraper；3, silk screen；4, web plate；5, solar cell；6, multidimensional
Moving parts；61, bottom plate；62, shaft；63, rotary drive；64, actuator is lifted.
Specific implementation mode
Below in conjunction with Figure of description and specific embodiment, the invention will be further described.
As shown in Figure 1, the solar cell grid line perseverance angle printing process of the present embodiment, silk is acted in printing scraper 2
When net 3 prints grid line to solar cell 5, the position of the printing platform 1 of the solar cell 5 of adjustment carrying in real time is so that silk screen 3
Angle α between printing platform 1 is constant.The solar cell grid line perseverance angle printing process of the present invention, by flat to printing
The position of platform 1 is adjusted to ensure that the angle between printing platform 1 and silk screen 3 is constant, to ensure that printing scraper 2 acts on silk screen
3 slurries that are printed to solar cell 5 are relatively uniform, i.e. the height of printing slurry and width consistency height is good, to significantly
Printing quality is improved, ensures the quality of solar cell 5.
In the present embodiment, the adjustment of 1 position of printing platform is realized by the lifting and spinning movement of printing platform 1, it is real
Now facilitate, specific action process can be controlled by corresponding program, specifically with 4 size of silk screen 3 and web plate, printing position
It sets and the parameters such as net spacing is related, can also ensure that the gap between printing platform 1 and printing scraper 2 is permanent additionally by lifting
It is fixed, it is further ensured that the quality of printing；In addition when printing platform 1 carries out rotation adjusting, the progress of printing scraper 2 can also be controlled
Angular adjustment, so that printing scraper 2 further promotes printing quality perpendicular to printing platform 1.
In the present embodiment, printing platform 1 carries out position linkage by time quantum and printing scraper 2, to realize printing platform 1
Position adjusted in real time with the position of printing scraper 2.When actually printing, the location track of printing scraper 2 is to pass through program
Fix, by the control to time quantum, the position of printing scraper 2 can be positioned, to make printing platform 1 into
It, can be according to time quantum when line position sets adjustment（2 position of corresponding printing scraper）To the adjustment of the position of printing platform 1, with ensure its with
The angle α of silk screen 3 is constant.
In the present embodiment, angular range value is 3≤α≤8 degree, and specific value is 5 degree.
As shown in Figures 2 to 6, the invention also discloses a kind of solar cell grid line perseverance angle printing equipments, including print
Brushing knife 2, silk screen 3 and the printing platform 1 for carrying solar cell 5, silk screen 3 are located at printing scraper 2 and printing platform 1
Between, further include multi-dimensional movement component 6, printing platform 1 is connected with multi-dimensional movement component 6 and in the driving of multi-dimensional movement component 6
It is lower to carry out position adjustment to ensure that the silk screen 3 when grid line printing and the angle α between printing platform 1 are constant.
As shown in Figures 4 to 6, in the present embodiment, multi-dimensional movement component 6 includes bottom plate 61, lifting actuator 64 and rotation
Turn actuator 63, bottom plate 61 is parallelly mounted to the lower section of printing platform 1, is fixedly installed and turns between bottom plate 61 and printing platform 1
Axis 62, shaft 62 is fixedly connected with printing platform 1 and one end is connected with rotary drive 63, lifting actuator 64 and bottom plate 61
Flexible connection is attached especially by a universal knot.It is driving motor wherein to lift actuator 64 and rotary drive 63.
The present invention multi-dimensional movement component 6 is simple in structure, easy to operate and reliable in action.
Detailed process is as follows：5 vacuum suction of crystal silicon solar batteries that pending grid line prints is fixed on printing first
On platform 1, printing scraper 2 starts to push, first and silk screen 3（Screen cloth）Contact, is further continued for pressing to setting position（This position needs pre-
It is first adjusted in place, has not only kept the line with crystal silicon solar batteries 5 to contact, but also be unlikely to crush）, at this time the screen cloth of compressive deformation with
Certain printing angle, i.e. angle α are formed between crystal silicon solar batteries 5, printing scraper 2 starts transverse shifting, in solar energy
5 surface dressing printing of battery, grid line printing are moved with printing scraper 2, and printing platform 1 then carries out position tune with printing scraper 2
It is whole, on the one hand will the rotation of 62 fine motions around the shaft, on the other hand Jiggled during rotation, to make up since rotation causes
Printing gap it is poor.In printing process, the rotation by printing platform 1 and lifting action keep printing angle constant, to protect
Hold print gates high consistency.
The above is only the preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-described embodiment,
All technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
For those of ordinary skill, several improvements and modifications without departing from the principles of the present invention should be regarded as the protection of the present invention
Range.
Claims (3)
1. a kind of solar cell grid line perseverance angle printing process, which is characterized in that in printing scraper（2）Act on silk screen（3）
To solar cell（5）When printing grid line, the solar cell of adjustment carrying in real time（5）Printing platform（1）Position so that silk
Net（3）With printing platform（1）Between angle α it is constant；The printing platform（1）Pass through time quantum and printing scraper（2）It carries out
Position is linked, to realize printing platform（1）Position with printing scraper（2）Position and adjust in real time；Control printing scraper（2）
Angular adjustment is carried out, so that printing scraper（2）Perpendicular to printing platform（1）.
2. solar cell grid line perseverance angle printing process according to claim 1, which is characterized in that pass through printing platform
（1）Lifting and spinning movement realize printing platform（1）The adjustment of position.
3. solar cell grid line perseverance angle printing process according to claim 1, which is characterized in that the angle α
Value range is 3≤α≤8 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510886763.5A CN105415868B (en) | 2015-12-07 | 2015-12-07 | A kind of solar cell grid line perseverance angle printing process and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510886763.5A CN105415868B (en) | 2015-12-07 | 2015-12-07 | A kind of solar cell grid line perseverance angle printing process and device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105415868A CN105415868A (en) | 2016-03-23 |
| CN105415868B true CN105415868B (en) | 2018-09-18 |
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ID=55494605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510886763.5A Active CN105415868B (en) | 2015-12-07 | 2015-12-07 | A kind of solar cell grid line perseverance angle printing process and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105415868B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106601872B (en) * | 2016-12-14 | 2017-12-05 | 大连理工大学 | A kind of device of EFI print solar-energy photo-voltaic cell electrode |
| CN115188859B (en) * | 2022-07-14 | 2024-03-29 | 通威太阳能（成都）有限公司 | Method for printing coating and solar cell |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000043234A (en) * | 1998-07-31 | 2000-02-15 | Kyocera Corp | Screen printing apparatus |
| JP3835932B2 (en) * | 1998-09-10 | 2006-10-18 | 松下電器産業株式会社 | Screen printing apparatus and screen printing method |
| JP3858008B2 (en) * | 2003-07-31 | 2006-12-13 | Ｔｄｋ株式会社 | Screen printing method |
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2015
- 2015-12-07 CN CN201510886763.5A patent/CN105415868B/en active Active
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| CN105415868A (en) | 2016-03-23 |
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