CN102253341A - Method for detecting solar cell electric leakage by thermochromism film - Google Patents
Method for detecting solar cell electric leakage by thermochromism film Download PDFInfo
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- CN102253341A CN102253341A CN2010101778619A CN201010177861A CN102253341A CN 102253341 A CN102253341 A CN 102253341A CN 2010101778619 A CN2010101778619 A CN 2010101778619A CN 201010177861 A CN201010177861 A CN 201010177861A CN 102253341 A CN102253341 A CN 102253341A
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- solar cell
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- electric leakage
- thermochromism
- thermochromism film
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Abstract
The invention provides a method for detecting solar cell electric leakage by a thermochromism film, comprising the following steps of: covering a thermochromism film on a solar cell to be detected; adding a positively biased or negatively biased direct-current power supply to the solar cell to be detected; and judging the electric leakage position and degree of the solar cell to be detected according to the color variation position and speed of the thermochromism film. The method is simple and quick to operate, the electric leakage position and degree of the cell can be quickly and effectively judged, and therefore, the method has a great application prospect.
Description
Technical field
The present invention relates to a kind of solar cell electrical leakage detecting method, particularly a kind of method of utilizing the thermochromism film to detect the solar cell electric leakage.
Background technology
Leakage current influences the output power of battery under low light condition as the important indicator of solar cell performance by the parallel resistance that influences battery, when leakage current is excessive, the photoelectric transformation efficiency of solar cell is had a strong impact on.In large-scale production, cause the reason of battery drain that all many-sides such as pollution in the defective workmanship and processing procedure in starting material, the manufacture process are arranged usually.If can know the zone of battery drain and the degree of electric leakage exactly, just can judge the electric leakage reason, and then can in time take to improve accordingly measure, improve the battery quality of production firm.And at present in the commercial production for the evaluation of leakage current, mainly be to judge from parallel resistance or applied reverse bias voltage test leakage current numerical value that the I-V curve of battery testing obtains, and from these methods, the testing staff is unable to find out the zone of the concrete electric leakage of battery at all.If introduce the judgment mechanism in leakage current zone, can there be many shortcomings again, for example, 1. detecting instrument requires height, costs an arm and a leg; 2. testing conditions is strict; 3. detect length consuming time; 4. the part detection method has destructiveness etc. to battery.
Therefore, how to provide a kind of with low cost and easy to operate battery drain stream detection method, become present technique area research personnel urgent problem.
Summary of the invention
The object of the present invention is to provide a kind of method of utilizing the thermochromism film to detect the solar cell electric leakage, to realize fast detecting to solar cell electric leakage position and degree.
Reach other purposes in order to achieve the above object, the method of utilizing the thermochromism film to detect the solar cell electric leakage of the present invention is to cover a thermochromism film on solar cell to be detected, then described solar cell to be detected is added positively biased or anti-direct supply partially, by the change color position and the speed of described thermochromism film, can judge the electric leakage position and the electric leakage degree of described solar cell to be detected.
Wherein, described thermochromism film can only cover solar cell to be detected one surface, and this surface is relative with the face at solar cel electrode place; Also can also cover the lateral edge portions of solar cell; Even can cover except that with electrode that power supply is connected the All Ranges of solar cell to be detected.
Wherein, the film that described thermochromism film can be made up of thermochromism printing ink and substrate film, substrate film can be paper, plastic foil or metal forming etc.; Described thermochromism film also can be an operating temperature range at other thermochromism films of 10～60 degrees centigrade.
Wherein, described solar cell to be detected can be a crystal-silicon solar cell, also can be amorphous silicon solar cell.
In sum, the method of utilizing the thermochromism film to detect the solar cell electric leakage of the present invention is to cover the thermochromism film on solar cell to be detected, get final product electric leakage position and the degree that quick interpretation goes out battery by the change color position and the speed of observing the thermochromism film, operate very convenient and simple and fast, have application prospect.
Description of drawings
Fig. 1 is the synoptic diagram that utilizes the thermochromism film to detect the method for solar cell electric leakage of the present invention.
Embodiment
See also Fig. 1, the method of utilizing the thermochromism film to detect the solar cell electric leakage of the present invention is to cover a thermochromism film 1 earlier on solar cell to be detected 2, then described solar cell to be detected 2 is added positively biased or anti-direct supply partially, by the change color position and the speed of described thermochromism film 1, can judge the electric leakage position and the electric leakage degree of described solar cell 2 to be detected.Wherein, described thermochromism film 1 can only cover a face of solar cell to be detected 2, and this face is relative with the face at solar cell 2 electrode places; Also can also cover solar cell to be detected 2 lateral edge portions; Also can cover except that with electrode that power supply is connected All Ranges etc.And the film that the thermochromism film 1 that adopts can be made up of thermochromism printing ink and substrate film, the material of substrate can be paper, plastic foil or metal forming etc., in addition, also can select other operating temperature range, exemplify no longer one by one at this at 10～60 degrees centigrade thermochromism film.Solar cell 2 to be detected can be a crystal-silicon solar cell, also can be amorphous silicon solar cell etc.
In the present embodiment, described solar cell to be detected 2 is placed on the conduction platform 3, its positive and negative electrode is attached on the conduction platform 3, upper surface is coated with thermochromism film 1, on the positive and negative electrode of described solar cell 2 to be detected, add D.C. regulated power supply 4, by the size of control D.C. regulated power supply 4 voltages, can control the size of current that flows through solar cell, electric leakage position and electric leakage degree that the testing staff judges battery according to the change color position and the speed of thermochromism film.
In sum, the method of utilizing the thermochromism film to detect the solar cell electric leakage of the present invention only need cover the thermochromism film on the solar cell to be detected, get final product electric leakage position and the degree that quick interpretation goes out battery by the change color position and the speed of observing the thermochromism film, operate very convenient and simple and fast, have application prospect.And, for production firm, can analyze the electric leakage reason according to the position and the degree of the leakage current of judging, and then improve its production run, realize the growth of economic benefit.
The foregoing description just lists expressivity principle of the present invention and effect is described, but not is used to limit the present invention.Any personnel that are familiar with this technology all can make amendment to the foregoing description under spirit of the present invention and scope.Therefore, the scope of the present invention should be listed as claims.
Claims (8)
1. one kind is utilized the thermochromism film to detect the method that solar cell leaks electricity, it is characterized in that: on solar cell to be detected, cover a thermochromism film, then described solar cell to be detected is added positively biased or anti-direct supply partially, by the change color position and the speed of described thermochromism film, can judge the electric leakage position and the electric leakage degree of described solar cell to be detected.
2. the method for utilizing the thermochromism film to detect the solar cell electric leakage as claimed in claim 1, it is characterized in that: described thermochromism film only covers solar cell to be detected one surface, and this surface is relative with the face at solar cel electrode place.
3. the method for utilizing the thermochromism film to detect the solar cell electric leakage as claimed in claim 2 is characterized in that: described thermochromism film also covers the lateral edge portions of solar cell to be detected except that covering a surface.
4. the method for utilizing the thermochromism film to detect the solar cell electric leakage as claimed in claim 1 is characterized in that: described thermochromism film cover solar cell to be detected except that with electrode that power supply is connected All Ranges.
5. the method for utilizing the thermochromism film to detect the solar cell electric leakage as claimed in claim 1 is characterized in that: the film of described thermochromism film for being made up of thermochromism printing ink and substrate film.
6. the method for utilizing the thermochromism film to detect the solar cell electric leakage as claimed in claim 5, it is characterized in that: described substrate film is paper, plastic foil or metal forming.
7. the method for utilizing the thermochromism film to detect the solar cell electric leakage as claimed in claim 1 is characterized in that: described thermochromism film is an operating temperature range at 10～60 degrees centigrade thermochromism film.
8. the method for utilizing the thermochromism film to detect the solar cell electric leakage as claimed in claim 1, it is characterized in that: described solar cell to be detected is crystal-silicon solar cell or amorphous silicon solar cell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2010101778619A CN102253341A (en) | 2010-05-18 | 2010-05-18 | Method for detecting solar cell electric leakage by thermochromism film |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010101778619A CN102253341A (en) | 2010-05-18 | 2010-05-18 | Method for detecting solar cell electric leakage by thermochromism film |
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| CN102253341A true CN102253341A (en) | 2011-11-23 |
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| CN2010101778619A Pending CN102253341A (en) | 2010-05-18 | 2010-05-18 | Method for detecting solar cell electric leakage by thermochromism film |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102832154A (en) * | 2012-09-21 | 2012-12-19 | 蚌埠玻璃工业设计研究院 | Method used for detecting and repairing leakage defect of film solar battery |
| CN102944576A (en) * | 2012-11-19 | 2013-02-27 | 英利能源（中国）有限公司 | Test method for welding defects of solar cell string |
| CN107202943A (en) * | 2017-05-24 | 2017-09-26 | 贵州电网有限责任公司电力科学研究院 | The method that GIS device discharge accident reason is quickly determined using heat indicating paint and digital radial |
| CN107229005A (en) * | 2017-05-24 | 2017-10-03 | 贵州电网有限责任公司电力科学研究院 | A kind of accurate quick method for determining GIS device discharge accident position |
| CN107768264A (en) * | 2017-09-28 | 2018-03-06 | 苏州阿特斯阳光电力科技有限公司 | Leak electricity verifying attachment |
| CN112310936A (en) * | 2019-07-26 | 2021-02-02 | 富致科技股份有限公司 | Overcurrent protection device |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102832154A (en) * | 2012-09-21 | 2012-12-19 | 蚌埠玻璃工业设计研究院 | Method used for detecting and repairing leakage defect of film solar battery |
| CN102832154B (en) * | 2012-09-21 | 2014-11-26 | 蚌埠玻璃工业设计研究院 | Method used for detecting and repairing leakage defect of film solar battery |
| CN102944576A (en) * | 2012-11-19 | 2013-02-27 | 英利能源（中国）有限公司 | Test method for welding defects of solar cell string |
| CN102944576B (en) * | 2012-11-19 | 2015-05-13 | 英利能源（中国）有限公司 | Test method for welding defects of solar cell string |
| CN107202943A (en) * | 2017-05-24 | 2017-09-26 | 贵州电网有限责任公司电力科学研究院 | The method that GIS device discharge accident reason is quickly determined using heat indicating paint and digital radial |
| CN107229005A (en) * | 2017-05-24 | 2017-10-03 | 贵州电网有限责任公司电力科学研究院 | A kind of accurate quick method for determining GIS device discharge accident position |
| CN107768264A (en) * | 2017-09-28 | 2018-03-06 | 苏州阿特斯阳光电力科技有限公司 | Leak electricity verifying attachment |
| CN112310936A (en) * | 2019-07-26 | 2021-02-02 | 富致科技股份有限公司 | Overcurrent protection device |
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Application publication date: 20111123 |