CN203566090U - Series welding device for back contacting solar cell - Google Patents
Series welding device for back contacting solar cell Download PDFInfo
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- CN203566090U CN203566090U CN201320238504.8U CN201320238504U CN203566090U CN 203566090 U CN203566090 U CN 203566090U CN 201320238504 U CN201320238504 U CN 201320238504U CN 203566090 U CN203566090 U CN 203566090U
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Abstract
The utility model discloses a series welding device for back contacting solar cells. The series welding device is suitable for back contacting solar cells, of which the negative and positive extraction electrodes, and comprises five modules which are respectively a welding band dismounting and rolling module, a charging workbench, a cell chip bonding module, a welding band cutting module and a traction module. The work steps of the series welding device includes a fixing and tightening the welding band by the welding band dismounting and rolling and traction modules, sending cell sheets to welding positions by the charging workbench, aligning, parallelly welding electrodes and the welding band, and cutting superfluous weld band. The series welding device is high in aligning precision, rapid in welding speed, simple in work flow and easy for realizing automation.
Description
Technical field
The utility model relates to a kind of back contact solar cell series welding device, is applicable to positive and negative extraction electrode all at the back contact solar cell of cell backside.Belong to photovoltaic field.
Background technology
Solar energy resources is abundant, widely distributed, is the most potential regenerative resource.Along with the problems such as global energy shortage and environmental pollution become increasingly conspicuous, solar energy power generating because it cleans, safety, facility, the feature such as efficient, the new industry that has become countries in the world common concern and given priority to.Along with technological progress and industry size expand, product cost continuous decrease, the level of close prices par online.
Back contact solar cell technology not only can reduce front electrode shading, and by improving packaging technology, can reduce the series resistance loss of assembly.It is the high-efficiency battery technology that is hopeful to reduce battery cost most, domestic existing Aunar this, the company such as martial prowess new forms of energy is at batch production back of the body contact battery, other companies are as Trina Solar, Ying Li group is also at active development.
The series welding device of the battery of back of the body contact at present mainly contains 2 kinds:
1. the series welding device based on conductive backings.Cell piece is connected in the conductive backings of positive and negative electrode figure, the shortcoming of this equipment be conductive backings used and conducting resinl cost high, with existing subassembly line poor compatibility, although technical development is for many years, in actual production, application development is slow.
2. the series welding device based on welding.After welding is cut off, the welding of fixing one end.Equipment complexity, the other end moves the deviation of the alignment that can cause welding and extraction electrode, can affect electrode welding, reduces the power output of assembly.
Summary of the invention
The deficiency existing for prior art, the utility model provides a kind of simple in structure, speed of welding is fast and positional precision is high back contact solar cell series welding device.Equipment is comprised of 5 modules, is respectively welding unreel, loading working table, welding of battery film, welding cut-out, traction.By welding unreel and traction module, welding is fixed and tightened, by loading working table, cell piece is delivered to welding position, aim at, and welding electrode and welding, unnecessary welding is cut.
The utility model back contact solar cell series welding device, its job step is as follows:
Step (a): by unreel and traction module, many root beads band two ends are fixed and tightened, parallel to each other between welding, form welding gauze;
Step (b): loading working table is aimed at cell piece, contact with welding gauze successively, welding module heating welding, the opposite electrode on adjacent cell sheet is welded on same welding;
Step (c): welding cuts off module and cuts off the odd/even root bead band between adjacent cell sheet, thus the battery strings of series connection mutually formed, realize the series connection of adjacent cell sheet.
Welding of battery film module can select the mode of laser, focusing infrared light spot, hot blast, current vortex, resistance heating to work.
Welding cuts off module and adopts the mode of laser cutting, plasma-torch cutting or machine cuts to work.
The utility model alignment precision is high, and speed of welding is fast, and work flow is simple, easily is automated.The utility model is applicable to the solar cell that electrode width is little, number is many, contributes to reduce the consumption of noble silver, reduces assembly cost.
Accompanying drawing explanation
Fig. 1 is the utility model back contact solar cell series welding device schematic diagram;
The specific embodiment
Below in conjunction with the specific embodiment, further set forth the utility model.
Embodiment (one): as shown in Figure 1, back contact solar cell series welding device, comprise 5 modules: welding unreel is comprised of servo drum (1), tensioner (3), stripping lacquerware (4), positioning guide wheel (5), loading working table (6), welding of battery film (7), welding cuts off (8), traction (9).
The course of work of equipment is:
Step (a): welding (2) is contained on servo drum (1), through positioning guide wheel (5), the other end is fixed in traction module (9), with tensioner (3), welding (2) is tightened, made between welding parallel to each other.On welding, be coated with insulating layer coating, by stripping lacquerware (4), removed the insulating barrier of welding region.Stripping lacquerware can select the mode of laser or mechanical grinding to work.
Step (b): the cell piece of metallizing slurry on electrode is placed on to loading working table (6) upper, sends under welding module (7), by vision, brigadier's battery is aimed at welding gauze, contact, heating welding.Metal paste can be selected unleaded tin slurry, have slicker solder slurry or low-temperature conductive adhesive.
Step (c): welding cutting module (8) is cut off odd number (even number) the root bead band on battery right side.
Step (d): the traction welding one-period that advances, welding battery, welding cutting module (8) is cut off even number (odd number) the root bead band on battery right side.The length that the length of one-period equals cell piece adds the battery distance in battery strings.
Step (e): the traction welding one-period that advances, welding battery, welding cutting module (8) is cut off odd number (even number) the root bead band on battery right side.
Repeating step (d) and step (e)
Embodiment (two): be with the difference of embodiment (), use straight weldering type insulating barrier on welding, in the local tin slurry that is coated with of pad, local heat welding.Save the operation of stripping paint.
Embodiment (three): be there is tin coating under welding insulating barrier with the difference of embodiment (), after stripping paint, prefluxing on welding or cell piece, heating, with pressing by the welding that forces together of welding and battery.
Embodiment (four): be with the difference of embodiment (), be applicable to scribble the cell piece of insulating barrier, naked layer on welding, is coated in scaling powder on welding or battery by adhesive dispensing device, after heating, with pressing by the welding that forces together of welding and battery.
Embodiment (five): be with the difference of embodiment (), be applicable to scribble the cell piece of insulating barrier, naked layer on welding, is coated in low-temperature conductive slurry or tin slurry on cell piece or welding by adhesive dispensing device, after heating, directly welding.
The utility model course of work is simple, and speed is fast, and precision is high, the number of welding can be increased greatly, and the electrode number of corresponding increase cell piece, can reduce ohmic loss, improves component power, reduces the consumption of noble silver simultaneously, reduces assembly cost.
More than show and described basic principle of the present utility model, principal character and major advantage.The technical staff of the industry should understand, and is not departing under the prerequisite of the utility model spirit and scope, and the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.
Claims (1)
1. a back contact solar cell series welding device, be applicable to positive and negative extraction electrode all at the back contact solar cell of cell backside, this equipment is comprised of 5 modules, it is respectively welding unreel module, loading working table module, welding of battery film module, welding cuts off module, traction module, it is characterized in that, welding unreel module is by servo drum, tensioner, stripping lacquerware and positioning guide wheel composition, in welding direction of advance, arrange successively servo drum, tensioner, stripping lacquerware, positioning guide wheel, loading working table module, welding of battery film module, welding cuts off module, traction module, traction module mobile alignment is parallel with loading working table table top, by welding unreel and traction module, welding is fixed and tightened.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320238504.8U CN203566090U (en) | 2013-05-06 | 2013-05-06 | Series welding device for back contacting solar cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320238504.8U CN203566090U (en) | 2013-05-06 | 2013-05-06 | Series welding device for back contacting solar cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203566090U true CN203566090U (en) | 2014-04-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320238504.8U Expired - Fee Related CN203566090U (en) | 2013-05-06 | 2013-05-06 | Series welding device for back contacting solar cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203566090U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107900693A (en) * | 2017-12-25 | 2018-04-13 | 苏州明氏自动化技术有限公司 | Dynamic iron loudspeaker conductive bar welder |
| CN111230251A (en) * | 2020-02-26 | 2020-06-05 | 晶澳（邢台）太阳能有限公司 | Method and tool for rapidly replacing welding strip of multi-main-grid series welding machine |
-
2013
- 2013-05-06 CN CN201320238504.8U patent/CN203566090U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107900693A (en) * | 2017-12-25 | 2018-04-13 | 苏州明氏自动化技术有限公司 | Dynamic iron loudspeaker conductive bar welder |
| CN107900693B (en) * | 2017-12-25 | 2023-11-24 | 苏州格洛佛精密科技有限公司 | Moving iron horn conducting rod welding device |
| CN111230251A (en) * | 2020-02-26 | 2020-06-05 | 晶澳（邢台）太阳能有限公司 | Method and tool for rapidly replacing welding strip of multi-main-grid series welding machine |
| CN111230251B (en) * | 2020-02-26 | 2022-05-24 | 晶澳（邢台）太阳能有限公司 | Method and tool for quickly replacing welding strip of multi-main-grid series welding machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140430 Termination date: 20200506 |