CN204905275U - Device based on chain oxidizing process promotes anti PID effect of solar battery - Google Patents
Device based on chain oxidizing process promotes anti PID effect of solar battery Download PDFInfo
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- CN204905275U CN204905275U CN201520544142.4U CN201520544142U CN204905275U CN 204905275 U CN204905275 U CN 204905275U CN 201520544142 U CN201520544142 U CN 201520544142U CN 204905275 U CN204905275 U CN 204905275U
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- ozone
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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
- 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 utility model discloses a device based on chain oxidizing process promotes anti PID effect of solar battery, blender generating device includes ozone generator, compressed air pipeline and blender, the blender is connected through ozone pipeline to ozone generator's ozone export, and compressed air passes through compressed air pipeline and connects the blender, and the blender passes through gas mixture pipeline and connects mixed gas output, the air inlet at the uniform flow board is connected to the blender output, the uniform flow inboard is hollow, and its one end is opened there is the air inlet, and even opening has a plurality of ventholes on the lower end wall, the uniform flow board is installed in the etching device of battery piece preparation equipment and the transmission of the silicon chip between PECVD device track top, and the venthole is just to silicon chip transmission track, the last device of installing control ozone generation volume of ozone generator. The utility model discloses can promote the anti PID effect of photovoltaic cell in silicon chip surface ramp silica film before the deposit silicon nitride film, prolong its life.
Description
Technical field
The utility model belongs to solar cell and manufactures field, relates to a kind of device based on chain type oxidizing process growing silicon oxide layer, to improve the ability of the anti-PID effect of crystal-silicon solar cell.
Background technology
PID effect (PotentialInducedDegradation) is also known as potential induction attenuation.Crystalline silicon photovoltaic module is under high temperature, high humidity and negative voltage effect, leakage current is there is between solar cell and glass, encapsulating material in assembly, a large amount of accumulation, on cell piece surface, causes the photoelectric conversion efficiency of solar cell to reduce, finally makes photovoltaic module performance seriously lower than design standard.Visible, PID effect has a strong impact on the generated output of photovoltaic plant, and this is difficult to accept concerning client.
Some countries and regions progressively start using the key request of anti-PID effect as assembly.The method promoting crystalline silicon photovoltaic module anti-PID effect has multiple.Promote the refractive index of the surfaces nitrided silicon thin film of crystal silicon battery, this makes the compactness of silicon nitride film strengthen, and block charge can migrate to silicon face, has certain effect to lifting subassembly anti-PID effect.But this method can the conversion efficiency of reduction crystal silicon solar battery to a certain degree.Another kind method is the component design adopted without aluminium frame or nonmetal frame, and this method can avoid the back bias voltage be applied on assembly, but this scheme can reduce the mechanical strength of assembly.
Although above-mentioned two schemes can improve the anti-PID effect of assembly, other unfavorable factor all can be produced to assembly.Find through large quantity research, between the silicon chip and silicon nitride film of crystal silicon battery, grow the method that one deck silicon oxide film is the anti-PID effect of a kind of better lifting subassembly.This layer of silicon oxide film both can not affect the photoelectric conversion efficiency of crystal silicon battery, block charge can move to silicon chip surface and avoid or alleviate the generation of PID effect again.So, the silicon chip in crystal silicon battery and between silicon nitride film, how the technology of growing silicon oxide film is applied to solar cell production line is a problem demanding prompt solution.
Utility model content
The purpose of this utility model solves the above-mentioned problems in the prior art exactly, a kind of device promoting the anti-PID effect of solar cell based on chain type oxidizing process is provided, this device can in silicon chip surface ramp silicon oxide film before cvd nitride silicon thin film, promote the anti-PID effect of photovoltaic cell, extend its useful life.
For achieving the above object, technical solution of the present utility model is: a kind of device promoting the anti-PID effect of solar cell based on chain type oxidizing process, it comprises blender generating means and even flow plate, and blender generating means comprises ozone generator, compressed air tunnel and blender; The ozone outlet of ozone generator connects blender by ozone transport conduit, and compressed air connects blender by compressed air tunnel, and blender connects mixed air output by mixed gas pipeline road; Blender output is connected to the air inlet of even flow plate; Be hollow in even flow plate, its one end has air inlet, and lower end wall evenly has multiple venthole; Even flow plate is arranged on above the chip transmission track between the etching device of cell piece making apparatus and PECVD device, and venthole is just to chip transmission track; Ozone generator is provided with the device controlling ozone generation.
Compressed air tunnel described above is provided with pressure-reducing valve A and flowmeter A.The pressure and the flow that enter blender can be controlled, make the compressed-air actuated pressure that enters and flow adjustable.
Ozone generator described above has oxygen inlet and ozone outlet, oxygen connects the oxygen inlet of ozone generator by oxygen conveying pipe, and oxygen conveying pipe is provided with pressure-reducing valve B and flowmeter, 220V AC power connects the power input of frequency converter by mains switch, and the power output end of frequency converter connects the power port of ozone generator; The device controlling ozone generation comprises ozone concentration detector and operational environment ozone concentration detection device; Be connected in parallel on after described ozone concentration detector and flowmeter B are connected in series on described mixed gas pipeline road, ozone concentration detector signal output part is connected on a control end of described frequency converter, controls the output of transducer power; The inlet end of operational environment ozone concentration detection device is connected the surrounding air in working space respectively by pipeline with outlet side, on another control end that its signal output part is connected to described frequency converter and alarm, control frequency converter to quit work when the ozone concentration in surrounding air exceeds safety standard, and output alarm.Ozone concentration detector monitors the concentration of ozone in gaseous mixture in mixed gas pipeline road, during concentration height, control the frequencies go lower of frequency converter, make the ozone reduction that ozone generator produces, when concentration is low, control the frequency gets higher of frequency converter, the ozone that ozone generator is produced increases, with the requirement making the ozone concentration of the gaseous mixture entered in even flow plate reach setting.After operational environment ozone concentration detection device detects that amount that the air in environment contains ozone exceeds standard, control frequency converter power-off, and report to the police, make whole cell piece making apparatus out of service, check the reason of gas leakage, maintenance maintenance, after eliminating fault, cell piece making apparatus works on.
Blender described above is a negative pressure generator; Negative pressure generator has three mouths, and the compressed air inlet port that two relative walls have and mixed gas outlet, sidewall has ozone inlet; Compressed air connects the compressed air inlet port of negative pressure generator by compressed air tunnel, the ozone outlet of ozone generator connects the ozone inlet of negative pressure generator by ozone transport conduit, the mixed gas outlet of negative pressure generator connects mixed air output.Like this in compressed-air actuated flow process, forming negative pressure at ozone inlet place, automatically exporting mixing with compressed air in ozone negative suction generator.Ozone sucks by negative pressure generator automatically, without the need to kinetic energy, decreases energy consumption.
Even flow plate of the present utility model is arranged on above the chip transmission track between the etching device of cell piece making apparatus and PECVD device, and silicon chip can grow one deck silicon oxide film at silicon chip surface rapidly by time below the even flow plate of this device.Final PID laboratory test results proves, the battery component PID measured power decay of making through this device process can be controlled within 1%, meets TUV and IEC is less than 5% quality requirement about PID detection power completely.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the schematic appearance of blender generating means in the utility model;
Fig. 3 is electrical schematic diagram of the present utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model will be further described.
As shown in Figure 1, Figure 2 and Figure 3, the present embodiment comprises blender generating means 2 and even flow plate 1.Blender generating means 2 comprises cabinet 21, ozone generator 22, compressed air tunnel 23 and blender.Described blender is a negative pressure generator 24.Negative pressure generator 24 has three mouths, and the compressed air inlet port that two relative walls have and mixed gas outlet, sidewall has ozone inlet; Compressed air connects the compressed air inlet port of negative pressure generator 24 by compressed air tunnel 23, the ozone outlet of ozone generator 22 connects the ozone inlet of negative pressure generator 24 by ozone transport conduit 221, the mixed gas outlet of negative pressure generator 24 connects blender output.Compressed air tunnel 23 is provided with pressure-reducing valve A231 and flowmeter A232.Described ozone generator 22 has oxygen inlet and ozone outlet, and oxygen connects the oxygen inlet of ozone generator 22 by oxygen conveying pipe 222, and oxygen conveying pipe 222 is provided with pressure-reducing valve B223 and flowmeter.220V AC power connects the power input of frequency converter 26 by mains switch 25, and the power output end of frequency converter 26 connects the power port of ozone generator 22.Ozone generator 2 is provided with the device controlling ozone generation.The device controlling ozone generation comprises ozone concentration detector 27 and operational environment ozone concentration detection device 28.Be connected in parallel on after described ozone concentration detector 27 and flowmeter B29 are connected in series on described mixed gas pipeline road 210, ozone concentration detector 27 signal output part is connected on a control end of described frequency converter 26, controls the output of frequency converter 26 power.The inlet end of operational environment ozone concentration detection device 28 is connected the surrounding air in working space respectively by pipeline with outlet side, on another control end that its signal output part is connected to described frequency converter 26 and alarm, control frequency converter to quit work when the ozone concentration in surrounding air exceeds safety standard, and output alarm.Be hollow in even flow plate 1, its one end has air inlet, and lower end wall evenly has multiple venthole; Its air inlet connects the blender output of negative pressure generator 24.Even flow plate 1 is arranged on above the chip transmission track 5 between the etching device 6 of cell piece making apparatus and PECVD device 3, and venthole is just to chip transmission track 5.4 is silicon chip.
The foregoing is only the schematic embodiment of the utility model, and be not used to limit scope of the present utility model.Any those skilled in the art, equivalent variations done under the prerequisite not departing from design of the present utility model and principle and amendment, all should belong to the scope of the utility model protection.
Claims (5)
1. promote a device for the anti-PID effect of solar cell based on chain type oxidizing process, it is characterized in that: it comprises blender generating means and even flow plate, blender generating means comprises ozone generator, compressed air tunnel and blender; The ozone outlet of ozone generator connects blender by ozone transport conduit, and compressed air connects blender by compressed air tunnel, and blender connects mixed air output by mixed gas pipeline road; Blender output is connected to the air inlet of even flow plate; Be hollow in even flow plate, its one end has air inlet, and lower end wall evenly has multiple venthole; Even flow plate is arranged on above the chip transmission track between the etching device of cell piece making apparatus and PECVD device, and venthole is just to chip transmission track; Ozone generator is provided with the device controlling ozone generation.
2. the device promoting the anti-PID effect of solar cell based on chain type oxidizing process according to claim 1, is characterized in that: described compressed air tunnel is provided with pressure-reducing valve A and flowmeter A.
3. the device promoting the anti-PID effect of solar cell based on chain type oxidizing process according to claim 1 and 2, it is characterized in that: described ozone generator has oxygen inlet and ozone outlet, oxygen connects the oxygen inlet of ozone generator by oxygen conveying pipe, and oxygen conveying pipe is provided with pressure-reducing valve B and flowmeter, 220V AC power connects the power input of frequency converter by mains switch, and the power output end of frequency converter connects the power port of ozone generator; The device controlling ozone generation comprises ozone concentration detector and operational environment ozone concentration detection device; Be connected in parallel on after described ozone concentration detector and flowmeter B are connected in series on described mixed gas pipeline road, ozone concentration detector signal output part is connected on a control end of described frequency converter, controls the output of transducer power; The inlet end of operational environment ozone concentration detection device is connected the surrounding air in working space respectively by pipeline with outlet side, on another control end that its signal output part is connected to described frequency converter and alarm, control frequency converter to quit work when the ozone concentration in surrounding air exceeds safety standard, and output alarm.
4. the device promoting the anti-PID effect of solar cell based on chain type oxidizing process according to claim 3, is characterized in that: described blender is a negative pressure generator; Negative pressure generator has three mouths, and the compressed air inlet port that two relative walls have and mixed gas outlet, sidewall has ozone inlet; Compressed air connects the compressed air inlet port of negative pressure generator by compressed air tunnel, the ozone outlet of ozone generator connects the ozone inlet of negative pressure generator by ozone transport conduit, the mixed gas outlet of negative pressure generator connects mixed air output.
5. the device promoting the anti-PID effect of solar cell based on chain type oxidizing process according to claim 1 and 2, is characterized in that: described blender is a negative pressure generator; Negative pressure generator has three mouths, and the compressed air inlet port that two relative walls have and mixed gas outlet, sidewall has ozone inlet; Compressed air connects the compressed air inlet port of negative pressure generator by compressed air tunnel, the ozone outlet of ozone generator connects the ozone inlet of negative pressure generator by ozone transport conduit, the mixed gas outlet of negative pressure generator connects mixed air output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520544142.4U CN204905275U (en) | 2015-07-26 | 2015-07-26 | Device based on chain oxidizing process promotes anti PID effect of solar battery |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520544142.4U CN204905275U (en) | 2015-07-26 | 2015-07-26 | Device based on chain oxidizing process promotes anti PID effect of solar battery |
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| CN204905275U true CN204905275U (en) | 2015-12-23 |
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| CN201520544142.4U Expired - Fee Related CN204905275U (en) | 2015-07-26 | 2015-07-26 | Device based on chain oxidizing process promotes anti PID effect of solar battery |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106299023A (en) * | 2016-08-26 | 2017-01-04 | 奥特斯维能源（太仓）有限公司 | A kind of anti-PID solaode is done over again the processing method of sheet |
| CN107369640A (en) * | 2017-08-10 | 2017-11-21 | 江苏格林保尔光伏有限公司 | The anti-decay surface processing device of solar battery sheet |
| CN109273560A (en) * | 2018-09-29 | 2019-01-25 | 苏州昊建自动化系统有限公司 | A kind of silicon dioxide film for silion cell generates system offline |
| CN109285921A (en) * | 2018-12-03 | 2019-01-29 | 乐山新天源太阳能科技有限公司 | Gas mixing homogenizer for the anti-PID equipment of solar battery |
| WO2023179021A1 (en) | 2022-03-24 | 2023-09-28 | 横店集团东磁股份有限公司 | Preparation method and application of crystalline silicon solar cell having shallow junction diffusion emitter |
-
2015
- 2015-07-26 CN CN201520544142.4U patent/CN204905275U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106299023A (en) * | 2016-08-26 | 2017-01-04 | 奥特斯维能源（太仓）有限公司 | A kind of anti-PID solaode is done over again the processing method of sheet |
| CN106299023B (en) * | 2016-08-26 | 2017-12-22 | 奥特斯维能源（太仓）有限公司 | A kind of anti-PID solar cells are done over again the processing method of piece |
| CN107369640A (en) * | 2017-08-10 | 2017-11-21 | 江苏格林保尔光伏有限公司 | The anti-decay surface processing device of solar battery sheet |
| CN109273560A (en) * | 2018-09-29 | 2019-01-25 | 苏州昊建自动化系统有限公司 | A kind of silicon dioxide film for silion cell generates system offline |
| CN109285921A (en) * | 2018-12-03 | 2019-01-29 | 乐山新天源太阳能科技有限公司 | Gas mixing homogenizer for the anti-PID equipment of solar battery |
| CN109285921B (en) * | 2018-12-03 | 2024-01-26 | 乐山新天源太阳能科技有限公司 | Gas mixing and homogenizing device for PID (potential induced degradation) resistant equipment of solar cell |
| WO2023179021A1 (en) | 2022-03-24 | 2023-09-28 | 横店集团东磁股份有限公司 | Preparation method and application of crystalline silicon solar cell having shallow junction diffusion emitter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211203 Address after: 072550 no.4685, Changcheng North Street, Xushui District, Baoding City, Hebei Province Patentee after: Hebei Zhaoneng New Energy Technology Co.,Ltd. Address before: Xushui County, Hebei Province, Baoding Juli 072550 City Road Patentee before: JULI NEW ENERGY Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151223 |
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| CF01 | Termination of patent right due to non-payment of annual fee |