CN207508514U - A kind of dust-extraction unit for thin-film solar cells laser scribing - Google Patents
A kind of dust-extraction unit for thin-film solar cells laser scribing Download PDFInfo
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- CN207508514U CN207508514U CN201721123710.9U CN201721123710U CN207508514U CN 207508514 U CN207508514 U CN 207508514U CN 201721123710 U CN201721123710 U CN 201721123710U CN 207508514 U CN207508514 U CN 207508514U
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Abstract
A kind of dust-extraction unit for thin-film solar cells laser scribing, it mainly include one during laser scribe can by dust caused by laser scribe, be pumped by the bleeding point between laser and solar cell and collect the local trailing type air-extractor in dust collecting, the local trailing type air-extractor includes：One between laser and solar cell, the wide-mouth bleeding point that laser is followed to move together, and wide-mouth bleeding point is connect with air-extractor；The bleeding point of the pumping end connection wide-mouth of the air-extractor, exhaust end connection one are used to smoke the dust collecting of dust at wide-mouth pumping；It has the features such as simple in structure, easy for installation, operation is easy, can effectively remove chalk dust removing.
Description
Technical field
The utility model is related to the dust-extraction unit of dust in thin-film solar cells laser scribing process, particular for laser
Minute dusts caused by scribing are a kind of devices for thin-film solar cells laser scribing dedusting.
Background technology
At present, large area film solar cell module is produced, most production firms or research institution are to adopt
With the method for laser scribing to the P1/P2/P3 lines of scribing thin-film solar cells, so as to fulfill the interior series connection of battery, promoted
The efficiency of thin-film solar cells.However, laser scribing process can generate dust, dust, which is fallen, will influence to draw in drawn line
Line effect reduces the efficiency of solar cell.
Existing Laser Processing dust-extraction unit in the process such as sheet glass, potsherd, aluminum alloy sheet mainly for generating
Dust.In such laser processing procedure, laser energy is larger, and the dust particles of generation are larger, is easier to remove.Dedusting
Mode has two kinds of air blowing and pumping；It blows and is mainly passed through compressed air either wind turbine, for example process sheet glass；Pumping is main
It is dust to be collected between laser and workpiece, for example process aluminum alloy sheet.But in laser scoring system, the laser that generally uses
For ultrafast nanosecond laser or picosecond laser, the dust of generation is very small, it is easy to it is influenced by slight air turbulence,
And the product surface crossed needed for being easily bonded in.Traditional dust-extraction unit it is complicated, dedusting method is single, is not suitable for
The dust-extraction unit of thin-film solar cells laser scribing.
Invention content
The purpose of the utility model is to overcome the shortcomings of the prior art, and provide a kind of simple in structure, installation side
Just, operation is easy, can effectively remove the dust-extraction unit for thin-film solar cells laser scribing of chalk dust removing.
The purpose of this utility model is completed by following technical solution, and one kind is used for thin-film solar cells laser
The dust-extraction unit of scribing line, it include one during laser scribe can by dust caused by laser scribe, by laser with
Bleeding point between solar cell is pumped and collects the local trailing type air-extractor in dust collecting, described
Local trailing type air-extractor has one between laser and solar cell, the wide-mouth bleeding point that laser is followed to move together,
And wide-mouth bleeding point is connect with air-extractor；
The bleeding point of the pumping end connection wide-mouth of the air-extractor, exhaust end connection one are used to smoke at wide-mouth pumping
The dust collecting of dust；
First dust collecting is located at air-extractor rear end, for collecting the dust that air-extractor is smoked；
The dust-extraction unit further includes the distinguished and admirable equipment of global formula crossing current, it includes：Positioned at laser motion direction both sides,
And with the vertically arranged air blowing crossflow fan in scribing line direction and being evacuated crossflow fan；Two crossflow fans, one air blowing, a pumping
Gas forms convection current, and the dust in air is blowed to pumping side；The pumping crossflow fan is connected with the second dust collecting
And dust is sent into the second dust collecting.
Second dust collecting is located at after pumping crossflow fan and is connected and is used for pumping crossflow fan
The dust that pumping crossflow fan is smoked is collected, dust is prevented to be directly discharged to cause secondary pollution in air.
During laser scribe, dust caused by laser scribe can be passed through laser by local trailing type air-extractor
Bleeding point between solar cell is pumped, and is collected in dust collecting.But due to the laser scribing speed of service compared with
Soon, part dust can be caused to omit in the air, have not enough time to collect, this part dust can by global formula beam wind flow device come
Processing.Two crossflow fans one of global formula beam wind flow device are blown, a pumping, are formed convection current, can be received on a large scale
Collect remaining dust in air, and by dust collection in the dust collecting of pumping side.
The utility model has the features such as simple in structure, easy for installation, operation is easy, can effectively remove chalk dust removing.
Description of the drawings
Fig. 1 is the overall structure diagram of thin-film solar cells laser scribing device described in the utility model.
Fig. 2 is local trailing type air-extractor structure diagram described in the utility model.
Fig. 3 is global formula transverse direction wind volume control schematic diagram described in the utility model.
Specific embodiment
The utility model is described in detail below in conjunction with attached drawing：Shown in Fig. 1-3, one kind described in the utility model
For the dust-extraction unit of thin-film solar cells laser scribing, it can be by laser scribe institute during laser scribe including one
The dust of generation is pumped by the bleeding point between laser and solar cell and collects the part in dust collecting
Trailing type air-extractor, the local trailing type air-extractor have one between laser and solar cell, follow laser
The wide-mouth bleeding point moved together, and wide-mouth bleeding point is connect with air-extractor；
The bleeding point of the pumping end connection wide-mouth of the air-extractor, exhaust end connection one are used to smoke at wide-mouth pumping
The dust collecting of dust.
Shown in figure, the first dust collecting is located at air-extractor rear end, for collecting the dust that air-extractor is smoked；
The dust-extraction unit further includes the distinguished and admirable equipment of global formula crossing current, it includes：Positioned at laser motion direction both sides,
And with the vertically arranged air blowing crossflow fan in scribing line direction and being evacuated crossflow fan；Two crossflow fans, one air blowing, a pumping
Gas forms convection current, and the dust in air is blowed to pumping side；
The pumping crossflow fan is connected with the second dust collecting and dust is sent into the second dust collecting.
Second dust collecting described in the utility model is located at after pumping crossflow fan and with being evacuated crossflow fan
It is connected and is used to collect the dust that pumping crossflow fan is smoked, dust is prevented to be directly discharged to cause secondary pollution in air.
The utility model can effectively remove dust caused by thin-film solar cells laser scribing；Laser and solar energy
Rectangular dust collection mouth structure between battery is simple, easy for installation；The selection of wind turbine can be selected according to actual conditions,
Mounted on the both sides in laser motion direction, do not have an impact to equipment overall structure, flexibility is high；Thin-film solar cells laser scribing
Dust caused by line has an impact the quality of scribing line, reduces the efficiency of battery；According to subsequent processing, then production effect can be influenced
Rate.Therefore, this dust removal method is economical and practical, simple and convenient.
Embodiment：
Shown in Fig. 1-3, a kind of dust-extraction unit of thin-film solar cells laser scribing described in the utility model includes complete
The distinguished and admirable equipment of office's formula crossing current and local trailing type air-extractor, wherein：Global formula beam wind flow device includes：
A air blowings crossflow fan and pumping crossflow fan：Positioned at laser motion direction both sides, and it is vertical with scribing line direction；Two
A one air blowing of crossflow fan, a pumping form convection current, and the dust in air is blowed to pumping side.The crossing current of air-extraction function
Wind turbine is connected with dust collecting, and dust is sent into dust collecting；
B dust collectings are connected after pumping crossflow fan and with crossflow fan, and crossing current wind is evacuated for collecting
The dust that machine is smoked prevents dust to be directly discharged to cause secondary pollution in air.
Local trailing type air-extractor includes：
The bleeding point of a wide-mouths：Between laser and solar cell, laser is followed to move together, and the pumping of wide-mouth
Mouth is connect with air-extractor；
B air-extractors：It is evacuated the bleeding point of end connection wide-mouth, exhaust end connection dust collecting；For smoking wide-mouth
Pumping at dust；
C dust collectings：Positioned at air-extractor rear end, for collecting the dust that air-extractor is smoked.
Shown in figure：Hanging plate 7 contains the bleeding point 2 of focus lamp, speculum and rectangular wide-mouth, and hanging plate can be flat
Face XY axis movement.Light path 1 is realized by the optical element on hanging plate 7.Laser is to reach solar cell scribing by light path 1
Platform 3 realizes scribing.Therefore, the bleeding point 2 of wide-mouth can follow laser to move.
The bleeding point 2 of wide-mouth on hanging plate 7 connects air-extractor 9.Air-extractor 9 is connected with dust collecting 8.
Laterally distinguished and admirable two crossflow fan positions and scribing platform 3 are horizontal for global formula.Wind turbine 4 is blows, and wind turbine 5 is takes out
Gas.Exhaust fan 5 is connected with dust collecting 3.
When starting laser scribe, wind turbine 4, wind turbine 5 and air-extractor 9 are started to work.Powder caused by laser scribe process
Dirt, partly the bleeding point 2 of the wide-mouth by local trailing type air-extractor between laser and solar cell take away, collect
Dust collecting 8；Another part is formed by the air blowing crossflow fan 4 of global formula beam wind flow device and pumping crossflow fan 5
Convection current be blown into dust collecting 6.
Claims (1)
1. a kind of dust-extraction unit for thin-film solar cells laser scribing, it includes one can incite somebody to action during laser scribe
Dust caused by laser scribe is pumped and is collected by the bleeding point between laser and solar cell and filled in dust collection
Put interior local trailing type air-extractor, it is characterised in that the local trailing type air-extractor has one to be located at laser and the sun
Can be between battery, wide-mouth bleeding point that laser is followed to move together, and wide-mouth bleeding point is connect with air-extractor；
The bleeding point of the pumping end connection wide-mouth of the air-extractor, exhaust end connection one are used to smoke dust at wide-mouth pumping
Dust collecting；
First dust collecting is located at air-extractor rear end, for collecting the dust that air-extractor is smoked；
The dust-extraction unit further includes the distinguished and admirable equipment of global formula crossing current, it includes：Positioned at laser motion direction both sides, and with
The scribing line vertically arranged air blowing crossflow fan in direction and pumping crossflow fan；Two crossflow fans, one air blowing, a pumping, shape
Into convection current, the dust in air is blowed into pumping side；
The pumping crossflow fan is connected with the second dust collecting and dust is sent into the second dust collecting；
Second dust collecting is located at after pumping crossflow fan and is connected with pumping crossflow fan and is used to collect
The dust that pumping crossflow fan is smoked, prevents dust to be directly discharged to cause secondary pollution in air.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721123710.9U CN207508514U (en) | 2017-09-04 | 2017-09-04 | A kind of dust-extraction unit for thin-film solar cells laser scribing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721123710.9U CN207508514U (en) | 2017-09-04 | 2017-09-04 | A kind of dust-extraction unit for thin-film solar cells laser scribing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207508514U true CN207508514U (en) | 2018-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721123710.9U Active CN207508514U (en) | 2017-09-04 | 2017-09-04 | A kind of dust-extraction unit for thin-film solar cells laser scribing |
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| Country | Link |
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| CN (1) | CN207508514U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110560912A (en) * | 2019-09-06 | 2019-12-13 | 苏州恩欧西智能科技有限公司 | Laser engraving machine |
-
2017
- 2017-09-04 CN CN201721123710.9U patent/CN207508514U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110560912A (en) * | 2019-09-06 | 2019-12-13 | 苏州恩欧西智能科技有限公司 | Laser engraving machine |
| CN110560912B (en) * | 2019-09-06 | 2024-04-05 | 苏州恩欧西智能科技有限公司 | Laser engraving machine |
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