CN102242402A - Texturing device for solar cell silicon wafer - Google Patents
Texturing device for solar cell silicon wafer Download PDFInfo
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- CN102242402A CN102242402A CN2011101927088A CN201110192708A CN102242402A CN 102242402 A CN102242402 A CN 102242402A CN 2011101927088 A CN2011101927088 A CN 2011101927088A CN 201110192708 A CN201110192708 A CN 201110192708A CN 102242402 A CN102242402 A CN 102242402A
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- 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
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Abstract
The invention discloses a texturing device for a solar cell silicon wafer. The texturing device comprises a liquid storage tank, a washing tank and a cooling water machine, wherein a liquid outlet and a backflow port are arranged on the liquid storage tank, a liquid inlet and an overflow port are arranged on the washing tank, a diaphragm pump is arranged between the liquid outlet of the liquid storage tank and the liquid inlet of the washing tank, an overflow bypass pipe is arranged between the backflow port of the liquid storage tank and the overflow port of the washing tank, a condensing pipe is arranged in the liquid storage tank, the water inflow end port of the condensing pipe is connected with the water outlet of the cooling water machine, and the water outflow end port of the condensing pipe is connected with the water inlet of the cooling water machine. The texturing device for a solar cell silicon wafer has a simple structure, can effectively stabilize the temperature of a texturing agent, greatly improves the texturing controllability, and can be widely used in texturing equipment for a solar cell silicon wafer.
Description
Technical field
The present invention relates to the making herbs into wool device of silicon chip of solar cell.
Background technology
Solar cell is a kind of novel energy conversion equipment, and silicon chip is the core component of solar cell, and it directly has influence on Solar cell performance to the power of sunlight reflection potential.Making herbs into wool is a kind of processing method of handling solar silicon wafers, is the first working procedure that silicon solar cell is produced, and the purpose of making herbs into wool is in order to increase the area that silicon chip surface absorbs sunlight, minimizing reflection of light, thereby the photoelectric transformation efficiency of raising solar cell.Leather producing process generally includes alkali leather producing process and sour leather producing process, utilizes lower concentration acid or alkaline solution as Wool-making agent silicon chip surface to be corroded, and makes silicon chip surface form the matte pattern that surface-area increases greatly.The making herbs into wool device of at present traditional silicon chip of solar cell mainly comprises: reservoir and washing trough, store Wool-making agent in the reservoir, Wool-making agent in the reservoir is pumped to washing trough by surge pump, and Wool-making agent is flow in the reservoir by the overflow bypass pipe between washing trough and the reservoir more then.Above-described making herbs into wool device, because silicon chip constantly making herbs into wool in washing trough, the temperature of Wool-making agent can constantly raise in washing trough and the reservoir, and the Wool-making agent after temperature raises in the washing trough can quicken the corrosion to silicon chip, and the time of making herbs into wool and effect all are difficult to control.
Summary of the invention
The technical problem of solution required for the present invention is: will provide a kind of temperature that can make Wool-making agent in the washing trough to keep the making herbs into wool device of stable silicon chip of solar cell.
For addressing the above problem, the technical solution used in the present invention is: the making herbs into wool device of silicon chip of solar cell, comprise reservoir, washing trough and cooling-water machine, wherein reservoir is provided with liquid outlet and refluxing opening, washing trough is provided with fluid inlet and overflow port, between the liquid outlet of reservoir and the fluid inlet in the washing trough, be provided with surge pump, between the overflow port of the refluxing opening of reservoir and washing trough, be provided with the bypass upflow tube, in reservoir, be provided with prolong, the water inlet port of prolong is connected with the water outlet on the cooling-water machine, and the water outlet port of prolong is connected with the water-in on the cooling-water machine.
Further improve as the present invention, also be provided with cooling tank between described surge pump and the washing trough, also be provided with prolong in the cooling tank, the water inlet port of prolong and water outlet port respectively with cooling-water machine on other water outlet be connected with water-in, cooling tank is provided with fluid inlet and liquid outlet, the fluid inlet of cooling tank is connected with surge pump, is provided with the washing trough liquid-inlet pipe between liquid outlet on the cooling tank and the fluid inlet in the washing trough.
Beneficial effect of the present invention: simple in structure, can effectively reduce the temperature of Wool-making agent in the washing trough, improved the controllability of solar silicon wafers making herbs into wool greatly.
Description of drawings
Fig. 1 is the making herbs into wool device synoptic diagram of the silicon chip of solar cell described in the embodiment of the invention 1.
Fig. 2 is the making herbs into wool device synoptic diagram of the silicon chip of solar cell described in the embodiment of the invention 2.
Among Fig. 1: 1, reservoir, 11, liquid outlet, 12, refluxing opening, 2, washing trough, 21, fluid inlet, 22, overflow port, 3, cooling-water machine, 31, water outlet, 32, water-in, 4, surge pump, 5, the overflow bypass pipe, 6, prolong.
Among Fig. 2: 1, reservoir, 11, liquid outlet, 12, refluxing opening, 2, washing trough, 21, fluid inlet, 22, overflow port, 3, cooling-water machine, 31, first water outlet, 32, first water-in, 33, second water outlet, 34, second water-in, 4, surge pump, 5, the overflow bypass pipe, 6, first prolong, 7, cooling tank, 71, the cooling tank fluid inlet, 72, cooling tank liquid outlet, 8, second prolong, 9, the washing trough liquid-inlet pipe.
Embodiment
The present invention is described in further detail below in conjunction with the drawings and specific embodiments.
Embodiment 1
As shown in Figure 1, the making herbs into wool device of silicon chip of solar cell, comprise reservoir 1, washing trough 2 and cooling-water machine 3, wherein reservoir 1 is provided with liquid outlet 11 and refluxing opening 12, washing trough 2 is provided with fluid inlet 21 and overflow port 22, between the liquid outlet 11 of reservoir 1 and the fluid inlet 21 in the washing trough 2, be provided with surge pump 4, between the overflow port 22 of the refluxing opening 12 of reservoir 1 and washing trough 2, be provided with overflow bypass pipe 5, in reservoir 1, be provided with prolong 6, the water inlet port of prolong 6 is connected with water outlet 31 on the cooling-water machine 3, and the water outlet port of prolong 6 is connected with water-in 32 on the cooling-water machine 3.
During work, cold water in the cooling-water machine 3 constantly water outlet from cooling-water machine 3 31 flows into the prolong 6, temperature raise after water had absorbed the heat of the Wool-making agent in the reservoir 1, water-in from cooling-water machine 3 32 is back to the cooling-water machine 3 and cools off then, promptly finishes a refrigeration cycle of water in the prolong 6.Wool-making agent in the reservoir 1 is constantly with the cold water in the heat transferred prolong 6, Wool-making agent after the cooling, pumped fluid inlet 21 by surge pump 4 from the liquid outlet 11 of reservoir 1 to washing trough 2, use for making herbs into wool thereby enter in the washing trough 2, Wool-making agent after temperature raises is flow in the reservoir 1 by overflow bypass pipe 5 again lowers the temperature, promptly finish a refrigeration cycle of Wool-making agent, thereby make the temperature of Wool-making agent keep stable.
Embodiment 2
As shown in Figure 2, an alternative embodiment of the invention, between surge pump 4 and washing trough 2, be provided with cooling tank 7, cooling tank 7 is provided with cooling tank fluid inlet 71 and cooling tank liquid outlet 72, cooling tank fluid inlet 71 is connected with surge pump 4, be provided with washing trough liquid-inlet pipe 9 between cooling tank liquid outlet 72 and the washing trough 2, be provided with overflow bypass pipe 5 between the overflow port 22 in the washing trough 2 and the refluxing opening 12 of reservoir 1.In reservoir 1, be provided with prolong 6, the water inlet port of prolong 6 is connected with first water outlet 31 on the cooling-water machine 3, the water outlet port of prolong 6 is connected with first water-in 32 of cooling-water machine 3, in cooling tank 7, also be provided with second prolong 8, the water inlet port of second prolong 8 is connected with second water outlet 33 on the cooling-water machine 3, and the water outlet port of second prolong 8 is connected with second water-in 34 on the cooling-water machine 3.
During work, cold water in the cooling-water machine 3 constantly flow to first prolong 6 and second prolong 8 from water outlet, water in first prolong 6 is back to cooling again in the cooling-water machine 3 after having absorbed the heat of Wool-making agent in the reservoir 1, water in second prolong 8 is back to cooling again in the cooling-water machine 3 after having absorbed the heat of the Wool-making agent in the cooling tank 7, promptly finishes a refrigeration cycle of water in the prolong.Wool-making agent in the reservoir 1 is with the cold water in heat transferred first prolong 6, the Wool-making agent temperature reduces, pumped to cooling tank 7 by surge pump 4 then, Wool-making agent passes to heat the cold water in second prolong 8 again in cooling tank 7, the temperature of Wool-making agent reduces once more, flow in the washing trough 2 from the washing trough influent stream pipe between cooling tank 7 and the washing trough 29 then, use for making herbs into wool.Wool-making agent in the washing trough 2 is flow in the reservoir 1 by overflow bypass pipe 5 again, cools off once more, has promptly finished a refrigeration cycle of Wool-making agent, thereby the temperature that can guarantee Wool-making agent keeps stable.
The making herbs into wool apparatus structure of silicon chip of solar cell of the present invention is simple, can effectively stablize the temperature of Wool-making agent, has improved the controllability of making herbs into wool greatly.
Claims (2)
1. the making herbs into wool device of silicon chip of solar cell, comprise reservoir, washing trough and cooling-water machine, wherein reservoir is provided with liquid outlet and refluxing opening, washing trough is provided with fluid inlet and overflow port, between the liquid outlet of reservoir and the fluid inlet in the washing trough, be provided with surge pump, between the overflow port of the refluxing opening of reservoir and washing trough, be provided with the overflow bypass pipe, it is characterized in that: in reservoir, be provided with prolong, the water inlet port of prolong is connected with the water outlet on the cooling-water machine, and the water outlet port of prolong is connected with the water-in on the cooling-water machine.
2. according to the making herbs into wool device of the described silicon chip of solar cell of claim 1, it is characterized in that: also be provided with cooling tank between described surge pump and the washing trough, also be provided with prolong in the cooling tank, the water inlet port of prolong and water outlet port respectively with cooling-water machine on other water outlet be connected with water-in, cooling tank is provided with fluid inlet and liquid outlet, the fluid inlet of cooling tank is connected with surge pump, is provided with liquid-inlet pipe between liquid outlet on the cooling tank and the fluid inlet in the washing trough.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101927088A CN102242402A (en) | 2011-07-11 | 2011-07-11 | Texturing device for solar cell silicon wafer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101927088A CN102242402A (en) | 2011-07-11 | 2011-07-11 | Texturing device for solar cell silicon wafer |
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| CN102242402A true CN102242402A (en) | 2011-11-16 |
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| CN2011101927088A Pending CN102242402A (en) | 2011-07-11 | 2011-07-11 | Texturing device for solar cell silicon wafer |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102709380A (en) * | 2012-04-28 | 2012-10-03 | 中国电子科技集团公司第二研究所 | Texturing component of thin-film solar glass substrate texturing unit |
| CN103426801A (en) * | 2013-08-05 | 2013-12-04 | 英利能源（中国）有限公司 | Control method of corrosion tank used for solar cell piece texturing |
| CN104465878A (en) * | 2014-12-11 | 2015-03-25 | 东方日升新能源股份有限公司 | System for adjusting thickness reduction uniformity in silicon slice texturing groove |
| CN107731713A (en) * | 2017-09-26 | 2018-02-23 | 南通华林科纳半导体设备有限公司 | A kind of black silicon making herbs into wool etching-cleaning machine of convenient supplement acid solution |
| CN109473375A (en) * | 2017-09-08 | 2019-03-15 | 天津环鑫科技发展有限公司 | Groove digging groove body beneficial to uniform corrosion |
| CN109473374A (en) * | 2017-09-08 | 2019-03-15 | 天津环鑫科技发展有限公司 | Groove digging groove body with liquid medicine circulating device |
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| CN101276855A (en) * | 2008-04-30 | 2008-10-01 | 苏州纳米技术与纳米仿生研究所 | Process and equipment for cleaning, suede-making and drying silicon solar cell |
| CN201394550Y (en) * | 2009-05-07 | 2010-02-03 | 锦州华昌光伏科技有限公司 | Manual etching cleaning machine |
| CN201523023U (en) * | 2009-08-26 | 2010-07-07 | 北京中联科伟达技术股份有限公司 | Chain type wool-making device of polycrystal solar battery slice |
| CN201570510U (en) * | 2009-12-15 | 2010-09-01 | 南安市三晶阳光电力有限公司 | Novel silicon wafer texturing device |
| CN201601137U (en) * | 2009-06-02 | 2010-10-06 | 上海圣微电子科技发展有限公司 | Novel heating temperature control system of solar energy silicon wafer cleaning wool making |
| CN201695107U (en) * | 2010-06-18 | 2011-01-05 | 常州亿晶光电科技有限公司 | Polysilicon groove type etching and cooling device |
| CN202268375U (en) * | 2011-07-11 | 2012-06-06 | 苏州赤诚洗净科技有限公司 | Fluff making device for solar battery silicon chip |
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2011
- 2011-07-11 CN CN2011101927088A patent/CN102242402A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101276855A (en) * | 2008-04-30 | 2008-10-01 | 苏州纳米技术与纳米仿生研究所 | Process and equipment for cleaning, suede-making and drying silicon solar cell |
| CN201394550Y (en) * | 2009-05-07 | 2010-02-03 | 锦州华昌光伏科技有限公司 | Manual etching cleaning machine |
| CN201601137U (en) * | 2009-06-02 | 2010-10-06 | 上海圣微电子科技发展有限公司 | Novel heating temperature control system of solar energy silicon wafer cleaning wool making |
| CN201523023U (en) * | 2009-08-26 | 2010-07-07 | 北京中联科伟达技术股份有限公司 | Chain type wool-making device of polycrystal solar battery slice |
| CN201570510U (en) * | 2009-12-15 | 2010-09-01 | 南安市三晶阳光电力有限公司 | Novel silicon wafer texturing device |
| CN201695107U (en) * | 2010-06-18 | 2011-01-05 | 常州亿晶光电科技有限公司 | Polysilicon groove type etching and cooling device |
| CN202268375U (en) * | 2011-07-11 | 2012-06-06 | 苏州赤诚洗净科技有限公司 | Fluff making device for solar battery silicon chip |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102709380A (en) * | 2012-04-28 | 2012-10-03 | 中国电子科技集团公司第二研究所 | Texturing component of thin-film solar glass substrate texturing unit |
| CN102709380B (en) * | 2012-04-28 | 2014-06-25 | 中国电子科技集团公司第二研究所 | Texturing component of thin-film solar glass substrate texturing unit |
| CN103426801A (en) * | 2013-08-05 | 2013-12-04 | 英利能源（中国）有限公司 | Control method of corrosion tank used for solar cell piece texturing |
| CN103426801B (en) * | 2013-08-05 | 2015-12-02 | 英利能源（中国）有限公司 | A kind of control method of solar battery slice etching etching tank |
| CN104465878A (en) * | 2014-12-11 | 2015-03-25 | 东方日升新能源股份有限公司 | System for adjusting thickness reduction uniformity in silicon slice texturing groove |
| CN109473375A (en) * | 2017-09-08 | 2019-03-15 | 天津环鑫科技发展有限公司 | Groove digging groove body beneficial to uniform corrosion |
| CN109473374A (en) * | 2017-09-08 | 2019-03-15 | 天津环鑫科技发展有限公司 | Groove digging groove body with liquid medicine circulating device |
| CN109473375B (en) * | 2017-09-08 | 2024-05-03 | Tcl环鑫半导体(天津)有限公司 | Grooved body beneficial to uniform corrosion |
| CN109473374B (en) * | 2017-09-08 | 2024-06-18 | Tcl环鑫半导体(天津)有限公司 | Grooved body with liquid medicine circulating device |
| CN107731713A (en) * | 2017-09-26 | 2018-02-23 | 南通华林科纳半导体设备有限公司 | A kind of black silicon making herbs into wool etching-cleaning machine of convenient supplement acid solution |
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Application publication date: 20111116 |