CN106992227A - A kind of solar panel water film in etching technique - Google Patents
A kind of solar panel water film in etching technique Download PDFInfo
- Publication number
- CN106992227A CN106992227A CN201710259505.3A CN201710259505A CN106992227A CN 106992227 A CN106992227 A CN 106992227A CN 201710259505 A CN201710259505 A CN 201710259505A CN 106992227 A CN106992227 A CN 106992227A
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- China
- Prior art keywords
- cloth
- solar panel
- diffusingsurface
- moisture film
- etching
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 48
- 238000005530 etching Methods 0.000 title claims abstract description 44
- 238000000034 method Methods 0.000 title claims abstract description 30
- 239000004744 fabric Substances 0.000 claims abstract description 58
- 239000008367 deionised water Substances 0.000 claims abstract description 25
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 25
- 239000011241 protective layer Substances 0.000 claims abstract description 17
- 230000010148 water-pollination Effects 0.000 claims description 4
- 239000007788 liquid Substances 0.000 description 6
- 239000007921 spray Substances 0.000 description 5
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 4
- 239000002253 acid Substances 0.000 description 4
- 239000012528 membrane Substances 0.000 description 4
- 229910017604 nitric acid Inorganic materials 0.000 description 4
- 238000002242 deionisation method Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002633 protecting effect Effects 0.000 description 2
- 230000003442 weekly effect Effects 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
- 238000001039 wet etching Methods 0.000 description 1
Classifications
-
- H01L31/18—
-
- H01L31/1876—
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention discloses a kind of solar panel water film in etching technique, comprise the following steps：Step 1, preimpregnated cloth：Cloth is immersed in pond, soaked 2~3 minutes；Step 2, be sticked cloth：The cloth being immersed in step 1 in pond is taken out, is laid on the diffusingsurface of solar panel；Step 3, sandwiched baffle plate：It is folded in respectively on four side walls of solar panel using four pieces of baffle plates；Step 4, cloth is extruded：The cloth being laid in step 2 on diffusingsurface is extruded；Step 5, moisture film is formed：The cloth that extruding was carried out in step 4 is removed, baffle plate is then removed out, obtains etching moisture film protective layer.The present invention can effectively reduce the usage amount of deionized water, significantly reduce the pollution to deionized water, additionally it is possible to cell panel diffusingsurface is formed uniformly moisture film protective layer, will not occur that moisture film is uneven and subregion can not form the phenomenon of moisture film.
Description
Technical field
The present invention relates to cell panel lithographic technique field, and in particular to a kind of solar panel water film in etching technique.
Background technology
Solar panel be by absorbing sunshine, solar radiant energy is straight by photoelectric effect or photochemical effect
Connect or indirect conversion is into the device of electric energy, but its manufacturing process is sufficiently complex, wherein etching is even more an essential step
Suddenly.
In etching process, often there is the phenomenon that etching liquid is performed etching to the diffusingsurface of cell panel, if cell panel
Diffusingsurface etched by etching liquid, the periphery of cell piece diffusingsurface will form a circle etched line, to the outward appearance of cell panel
And efficiency is adversely affected, so the manufacturing process of most of cell panels now, can all spread to cell panel before etching
Water membrane is added on face, for preventing etching liquid to the improper etching of cell panel diffusingsurface.
In the prior art, Publication No. CN201110112184.7 " a kind of diffusingsurface moisture film protection wet etching work
Skill ", it, which expresses to allow before etching, forms one layer of deionization moisture film protective layer, its formation moisture film used on cell panel diffusingsurface
Method be：Using water sprinkler system to cell panel Air washer, so that the formation moisture film protection of cell panel diffusingsurface
Layer, but this moisture film forming method is clearly present following defect：1st, cell panel is sprayed using water sprinkler system, it is necessary to big
Water is measured, is extremely wasted, and the cost of manufacture cell panel can be increased；2nd, the spray of spray system, it is possible to cell panel can be caused
Diffusingsurface occurs that moisture film is uneven and subregion can not form the phenomenon of moisture film so that water when forming moisture film protective layer
The protecting effect of film is deteriorated；3rd, moisture film protective layer is formed using deionized water, can prevent the etching of etching liquid, but deionization
Water can be in air for a long time during spray, so dust and some gases in deionized water meeting absorption air, right
Deionized water is polluted, and the protecting effect of the moisture film protective layer formed it into is deteriorated, and is also easy to cause dirt to cell panel
Dye.
The content of the invention
It is an object of the invention to provide a kind of solar panel water film in etching technique, to solve in above-mentioned background technology
The problem of proposition.
To achieve the above object, the present invention provides following technical scheme：
A kind of solar panel water film in etching technique, comprises the following steps：
Step 1, preimpregnated cloth：Cloth is immersed in pond, soaked 2~3 minutes；
Step 2, be sticked cloth：The cloth being immersed in step 1 in pond is taken out, the expansion of solar panel is laid in
On the face of dissipating；
Step 3, sandwiched baffle plate：It is folded in respectively on four side walls of solar panel using four pieces of baffle plates；
Step 4, cloth is extruded：The cloth being laid in step 2 on diffusingsurface is extruded；
Step 5, moisture film is formed：The cloth that extruding was carried out in step 4 is removed, baffle plate is then removed out, etching is obtained and uses
Moisture film protective layer.
It is preferred that, solution is deionized water in pond in step 1.
It is preferred that, the cloth in step 1 is hydrophily cloth.
It is preferred that, the cloth area in step 1 is equal with the diffusingsurface size of solar panel.
It is preferred that, the diffusingsurface of the upper surface of baffle plate and solar panel is in same level in step 3.
It is preferred that, cloth is extruded using roller in step 4, and roller all the time with cloth keeping parallelism.
Compared with prior art, the beneficial effects of the invention are as follows：
Then the present invention is sticked on the surface of cell panel diffusingsurface by hydrophily cloth adsorption deionizing water first, its
Secondary use baffle plate props up the side wall of solar panel, and finally cloth is extruded using roller, is expressed to from side another
Side, makes to form water membrane protective layer on the diffusingsurface of cell panel.
The present invention increases moisture film protective layer by cloth, it is only necessary to which a small amount of deionized water soaks cloth, it is no longer necessary to
Sprayed using a large amount of deionized waters, effectively reduce the usage amount of deionized water, reduce cost；And cloth is sticked
Cell panel diffusingsurface, causes the deionized water adsorbed on cloth to be moved on cell panel diffusingsurface by way of extruding, a side
Face reduces time and the area of deionized water ingress of air, significantly reduces the pollution to deionized water, on the other hand passes through
The extruding of roller so that cell panel diffusingsurface can be formed uniformly moisture film protective layer, will not occur that moisture film is uneven and portion
Subregion can not form the phenomenon of moisture film；The setting of baffle plate, can be very good the side wall stream for preventing deionized water along cell panel
To panel backside, etching process is impacted.
Brief description of the drawings
Fig. 1 is flow chart of the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Embodiment
Referring to Fig. 1, the present invention provides a kind of technical scheme：
A kind of solar panel water film in etching technique, comprises the following steps：
Step 1, preimpregnated cloth：Preimpregnated cloth：Cloth is immersed in pond, soaked 2~3 minutes；
From hydrophily cloth, such as cotton, can preferably adsorb solution in liquid in pond, pond be set to from
Sub- water, deionized water can be very good to prevent the improper etching of etching liquid, and the diffusion of cloth area and solar panel
Face size is equal so that cloth is just complete to be paved with diffusingsurface, wasted more than diffusingsurface area cloth and
Deionized water, the uneven phenomenon of moisture film is easily caused less than diffusingsurface area, cloth is immersed in pond, immersion 2
Minute.
Step 2, be sticked cloth：The cloth being immersed in step 1 in pond is taken out, the expansion of solar panel is laid in
On the face of dissipating；
After immersion 2 minutes, cloth is taken out, smooth is laid on the diffusingsurface of solar panel, adsorbed on cloth
Deionized water because the factor of gravity tentatively can be flow on diffusingsurface.
Step 3, sandwiched baffle plate：It is folded in respectively on four side walls of solar panel using four pieces of baffle plates；
Four pieces of baffle plates clamp four side walls of solar panel well so that on solar panel diffusingsurface
Deionized water will not flow along side wall to the back side of cell panel, the obstruction for preventing deionized water from being caused to etching work, and
The upper surface of baffle plate and the diffusingsurface of solar panel are in same level, can preferably make it that deionized water will not
The side wall of solar panel is touched, it is highly effective.
Step 4, cloth is extruded：The cloth being laid in step 2 on diffusingsurface is extruded；
Cloth is extruded using roller, the deionized water adsorbed in cloth is further squeezed out to come, enters it
Enter on the diffusingsurface of cell panel, form moisture film, and roller should all the time with cloth keeping parallelism, from a side roll of cloth to
Opposite side, the everywhere of cloth is all smoothly expressed to, the everywhere on diffusingsurface is formed moisture film well, no
Moisture film missing or the uneven imagination occurs.
Step 5, moisture film is formed：The cloth that extruding was carried out in step 4 is removed, baffle plate is then removed out, etching is obtained and uses
Moisture film protective layer；
After the completion of extruding, cloth is vertically removed, prevents from breaking moisture film, then removes out baffle plate, obtaining one can enter
Moisture film protective layer is formed with the solar panel of row etching, cell panel diffusingsurface, more facilitates the etching for carrying out cell panel,
It is highly effective.
Film forming procedure should be carried out in the case of whole level, can be very good to prevent moisture film because the reason for tilting
From main fracture or loss.
Etching to the present embodiment is detected with moisture film technique：
From two workshops, the etching of solar panel is carried out, numbering is the first workshop and the second workshop respectively：
In first workshop, without moisture film protective layer before the 1st week to the 3rd week etching, used before the 3rd week to the 6th week etching
Data in etching process are detected by the moisture film technique addition moisture film protective layer in the present embodiment；
In second workshop, moisture film protective layer, the 3rd week to the 6th week are added using sprinkling equipment before the 1st week to the 3rd week etching
Using the moisture film technique addition moisture film protective layer in the present embodiment before etching, the data in etching process are detected；
Every data cases in detection process are as shown in table 1 below：
Table 1
Data can be obtained in such as table 1, and the first workshop is analyzed：First three weeks adds moisture film, Dan Wan without using deionized water
Piece acid consumption is respectively 40.1L, 40.5L and 39.7L；Use deionized water within three weeks afterwards, added by the moisture film technique in embodiment
Moisture film, single ten thousand acid consumption respectively 33.0L, 34.6L and 32.1L, and first three weeks and the yields of latter three weeks are more or less the same can
To ignore, it can be obtained by analysis, in the case where ensureing the good yields of solar panel etching, by of the invention real
Apply after the moisture film technique addition moisture film in example, the usage amount of nitric acid can be effectively reduced.
Data can be obtained in such as table 1, and the second workshop is analyzed：First three weeks is using common spray system to solar cell
Plate is sprayed, so as to add water membrane, the usage amount of deionized water is respectively 1367L, 1392L and 1418L weekly；Afterwards three
Week adds water membrane by moisture film technique in embodiment, weekly the usage amount of deionized water be respectively 752L, 739L and
770L, can be obtained, the moisture film work in spray webbing technique and embodiment is ensured by nitric acid dosage, single ten thousand acid consumption and yields
In the case that the nitric acid dosage of skill, single ten thousand acid consumption and yields are substantially the same, the moisture film formed in embodiments of the invention,
The usage amount of deionized water can be greatly reduced, it is highly effective.
In summary, the moisture film technique of the present invention is passed through so that solar panel can be very good to perform etching work,
And single sour consumption of ten thousand nitric acid can be substantially reduced, yields also has slight lifting, and can greatly reduce deionization
The usage amount of water.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of solar panel water film in etching technique, it is characterised in that comprise the following steps：
Step 1, preimpregnated cloth：Cloth is immersed in pond, soaked 2~3 minutes；
Step 2, be sticked cloth：The cloth being immersed in step 1 in pond is taken out, the diffusingsurface of solar panel is laid in
On；
Step 3, sandwiched baffle plate：It is folded in respectively on four side walls of solar panel using four pieces of baffle plates；
Step 4, cloth is extruded：The cloth being laid in step 2 on diffusingsurface is extruded；
Step 5, moisture film is formed：The cloth that extruding was carried out in step 4 is removed, baffle plate is then removed out, obtains etching moisture film
Protective layer.
2. a kind of solar panel water film in etching technique according to claim 1, it is characterised in that：Pond in step 1
Interior solution is deionized water.
3. a kind of solar panel water film in etching technique according to claim 1, it is characterised in that：Cloth in step 1
Expect for hydrophily cloth.
4. a kind of solar panel water film in etching technique according to claim 1, it is characterised in that：Cloth in step 1
Charge level product is equal with the diffusingsurface size of solar panel.
5. a kind of solar panel water film in etching technique according to claim 1, it is characterised in that：Baffle plate in step 3
Upper surface and solar panel diffusingsurface be in same level on.
6. a kind of solar panel water film in etching technique according to claim 1, it is characterised in that：Used in step 4
Roller is extruded cloth, and roller all the time with cloth keeping parallelism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710259505.3A CN106992227A (en) | 2017-04-20 | 2017-04-20 | A kind of solar panel water film in etching technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710259505.3A CN106992227A (en) | 2017-04-20 | 2017-04-20 | A kind of solar panel water film in etching technique |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106992227A true CN106992227A (en) | 2017-07-28 |
Family
ID=59415323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710259505.3A Pending CN106992227A (en) | 2017-04-20 | 2017-04-20 | A kind of solar panel water film in etching technique |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106992227A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4121568A (en) * | 1976-04-20 | 1978-10-24 | James Percival Olsen | Solar panel flat plate collector |
| CN202865346U (en) * | 2012-09-24 | 2013-04-10 | 国电光伏(江苏)有限公司 | Device for improving uniformity of etching water film |
| CN203367238U (en) * | 2013-08-16 | 2013-12-25 | 天威新能源控股有限公司 | Liquid driving system for wet etching water film |
| CN204332925U (en) * | 2015-01-22 | 2015-05-13 | 海南英利新能源有限公司 | Silicon slice etching equipment |
-
2017
- 2017-04-20 CN CN201710259505.3A patent/CN106992227A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4121568A (en) * | 1976-04-20 | 1978-10-24 | James Percival Olsen | Solar panel flat plate collector |
| CN202865346U (en) * | 2012-09-24 | 2013-04-10 | 国电光伏(江苏)有限公司 | Device for improving uniformity of etching water film |
| CN203367238U (en) * | 2013-08-16 | 2013-12-25 | 天威新能源控股有限公司 | Liquid driving system for wet etching water film |
| CN204332925U (en) * | 2015-01-22 | 2015-05-13 | 海南英利新能源有限公司 | Silicon slice etching equipment |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170728 |
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| RJ01 | Rejection of invention patent application after publication |