CN103336233A - A solar energy battery piece electric potential induction attenuation detection apparatus and a detection method thereof - Google Patents
A solar energy battery piece electric potential induction attenuation detection apparatus and a detection method thereof Download PDFInfo
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- CN103336233A CN103336233A CN2013102180451A CN201310218045A CN103336233A CN 103336233 A CN103336233 A CN 103336233A CN 2013102180451 A CN2013102180451 A CN 2013102180451A CN 201310218045 A CN201310218045 A CN 201310218045A CN 103336233 A CN103336233 A CN 103336233A
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Abstract
The invention discloses a solar energy battery piece electric potential induction attenuation detection apparatus and a detection method thereof. The detection apparatus comprises a heating member with an open-top. A cavity is arranged inside the heating member. Liquid is arranged inside the cavity of the heating member. The open-top portion of the cavity is provided with an insulator. The insulator is annular. The center of an opening of the insulator and the center of the penning of the heating member coincide. The opening of the insulator is slightly smaller than the opening of the heating member. A solar energy battery piece is arranged on the insulator. The solar energy battery piece is provided with an outgoing line connected with a cathode of a direct current power supply. The upper surface of the solar energy battery piece is provided with a conductor connected to an anode of the direct current power supply. The solar energy battery piece electric potential induction attenuation detection apparatus and a detection method thereof can detect resistance capability to potential induction attenuation of the solar energy battery piece in a very short time, raise resistance capability to potential induction attenuation of solar energy batteries and assembly comprising the solar energy batteries, so that the performance of the assembly under high-voltage working condition can be guaranteed.
Description
Technical field
The present invention relates to the solar battery sheet detection range, relate in particular to a kind of solar battery sheet electromotive force and induce decay pick-up unit and detection method thereof.
Background technology
It is that the famous Sunpower of photovoltaic manufacturer of the U.S. found in 2005 the earliest that electromotive force is induced decay.It occurs on all backplane contact high-efficiency battery sheet A-300 of Sunpower company; When applying a high back voltage at photovoltaic module, surperficial polarization phenomena can take place, if apply forward voltage with respect to ground at photovoltaic module, leakage current can flow to ground from battery immediately, the surface of battery can be along with the time integral negative charge, these electric charges can attract battery surface with positive charge, form the recombination center; On the contrary, when applying negative voltage on the photovoltaic module, polarization phenomena are corresponding change also, and the performance of photovoltaic module can be not influential in this case.
Detect the electromotive force of solar battery sheet and induce relaxation phenomenon the battery sheet need be made photovoltaic module, then in huge environmental test chamber, under hot and humid environment, apply voltage, general standard is that temperature is 85 degrees centigrade, relative humidity is 85, and voltage is 1000V, and be 96 hours detection time; Therefore need special environmental test chamber and time remaining time long; And above-mentioned detection solar battery sheet electromotive force induces the detection method of relaxation phenomenon more loaded down with trivial details, can not directly detect, and cost is than higher.
Summary of the invention
Technical matters to be solved by this invention is to provide the anti-electromotive force of a kind of solar battery sheet of fast detecting in a short period of time to induce the solar battery sheet electromotive force of damping capacity to induce decay pick-up unit and detection method thereof.
In order to solve the problems of the technologies described above, the present invention is achieved by the following technical solutions: a kind of solar battery sheet electromotive force is induced the decay pick-up unit, comprise that inside is provided with cavity, open-topped calandria, be provided with liquid in the described calandria cavity, top open part is provided with insulator, and described insulator in the form of a ring, its open centre overlaps with the calandria open centre, and the opening of described insulator is slightly less than the opening of calandria; Be placed with solar battery sheet on the described insulator, described solar battery sheet is provided with the extension line that is connected with dc power cathode, and its upper surface is provided with the electric conductor that is connected with dc power anode.
A kind of solar battery sheet electromotive force is induced the detection method of decay pick-up unit, may further comprise the steps:
A, solar battery sheet carried out the test of electrical property and electroluminescent graph;
B, the solar battery sheet surface-coated of getting well in test contain aqueous slkali or the salt solusion of Na ion, and dry;
C, with solar battery sheet use that EVA etc. is transparent, the macromolecular material double-faced packaging of insulation and vapor pervious is good, and uses extension line to draw both positive and negative polarity;
D, whole packaged solar battery sheet is placed on the pick-up unit;
E, be stained with metal forming or sheet metal in the solar battery sheet front, the positive and negative electrode of solar battery sheet links to each other, with metal forming or sheet metal as positive pole, solar battery sheet after the series connection is as negative pole, the open detection device heats wherein liquid, then sample is applied voltage, continuing is a period of time, closes direct supply;
The macromolecule layer that f, the solar battery sheet dismounting that experiment is finished encapsulate, test electrical property and electroluminescent graph, the variation of assess effectiveness decay and photoluminescence figure.
Preferably, Na ion aqueous slkali or concentration of salt solution are more than 1% among the described step b.
Preferably, environment temperature is 60～150 ℃ in the described steps d, and humidity is 50%～100%.
Preferably, added voltage is 200～1500V among the described step e, and the duration is 10min～5h.
Compared with prior art, usefulness of the present invention is: the anti-electromotive force that this solar battery sheet electromotive force induces decay pick-up unit and detection method thereof can detect solar battery sheet is in a short period of time induced damping capacity, the anti-electromotive force of the assembly that improves solar cell and make is induced the ability of decay, thereby guarantees the performance of assembly in the high voltage operation environment.
Description of drawings:
The present invention is further described below in conjunction with accompanying drawing.
Fig. 1 is that a kind of solar battery sheet electromotive force is induced decay device for fast detecting structure synoptic diagram.
Among the figure: 1, electric conductor; 2, solar battery sheet; 3, extension line; 4, insulator; 5, calandria; 6, liquid.
Embodiment:
Describe the present invention below in conjunction with the drawings and specific embodiments.
A kind of solar battery sheet electromotive force shown in Figure 1 is induced the decay pick-up unit, comprise that inside is provided with cavity, open-topped calandria 5, be provided with liquid 6 in described calandria 5 cavitys, top open part is provided with insulator 4, described insulator 4 in the form of a ring, its open centre overlaps with calandria 5 open centre, and the opening of described insulator 4 is slightly less than the opening of calandria 5; Be placed with solar battery sheet 2 on the described insulator 4, described solar battery sheet 2 is provided with the extension line 3 that is connected with dc power cathode, and its upper surface is provided with the electric conductor 1 that is connected with dc power anode.
Its embodiment is as follows:
Embodiment one:
At first solar battery sheet 2 is carried out the test of electrical property and electroluminescent graph; With the NaCl solution of solar battery sheet 2 surface-coated 1% concentration, oven dry then uses the EVA double-faced packaging good solar battery sheet 2, and uses extension line 3 to draw both positive and negative polarity then; Then whole packaged solar battery sheet 2 is placed 85 ℃ of temperature, in relative humidity 85 environment; Again solar battery sheet 2 fronts are stained with metal forming, the positive and negative electrode of solar battery sheet 2 links to each other; As positive pole, the solar battery sheet 2 after the series connection applies 1000V voltage as negative pole with metal forming, continues 0.5h; The solar battery sheet 2 that at last experiment is finished is removed the macromolecule layer of encapsulation, test electrical property and electroluminescent graph, the variation of assess effectiveness decay and photoluminescence figure.
Embodiment two:
At first sun power carries out the test of electrical property and electroluminescent graph to battery sheet 2; With the NaOH solution of solar battery sheet 2 surface-coated 5% concentration, dry then; Then use the EVA double-faced packaging good solar battery sheet 2, and use extension line 3 to draw both positive and negative polarity; Then whole packaged solar battery sheet 2 is placed 95 ℃ of temperature, in relative humidity 95 environment; Again solar battery sheet 2 fronts are stained with metal forming, the positive and negative electrode of solar battery sheet 2 links to each other; As positive pole, the solar battery sheet 2 after the series connection applies 600V voltage as negative pole with metal forming, continues 0.5h; The solar battery sheet 2 that at last experiment is finished is removed the macromolecule layer of encapsulation, test electrical property and electroluminescent graph, the variation of assess effectiveness decay and photoluminescence figure.
Embodiment three:
At first solar battery sheet 2 is carried out the test of electrical property and electroluminescent graph; With the NaOH solution of solar battery sheet 2 surface-coated 5% concentration, dry then; Then use the EVA double-faced packaging good solar battery sheet 2, and use extension line 3 to draw both positive and negative polarity; Then whole packaged solar battery sheet 2 is placed 95 ℃ of temperature, in relative humidity 95 environment; Again solar battery sheet 2 fronts are stained with metal forming, the positive and negative electrode of solar battery sheet 2 links to each other; As positive pole, the solar battery sheet 2 after the series connection applies 600V voltage as negative pole with metal forming, continues 0.5h; The solar battery sheet 2 that at last experiment is finished is removed the macromolecule layer of encapsulation, test electrical property and electroluminescent graph, the variation of assess effectiveness decay and photoluminescence figure.
Embodiment four:
At first solar battery sheet 2 is carried out the test of electrical property and electroluminescent graph; Then with the Na of solar battery sheet 2 surface-coated 10% concentration
2CO
3Solution, oven dry; Then use the EVA double-faced packaging good solar battery sheet 2, and use extension line 3 to draw both positive and negative polarity; Then whole packaged solar battery sheet 2 is placed 100 ℃ of relative humidity 100 environment of temperature; Again solar battery sheet 2 fronts are stained with metal forming, the positive and negative electrode of solar battery sheet 2 links to each other; As positive pole, the solar battery sheet 2 after the series connection applies 600V voltage as negative pole with metal forming, continues 0.5h; The solar battery sheet 2 that at last experiment is finished is removed the macromolecule layer of encapsulation, test electrical property and electroluminescent graph, the variation of assess effectiveness decay and photoluminescence figure.
Embodiment five:
At first solar battery sheet 2 is carried out the test of electrical property and electroluminescent graph; Then with the Na of solar battery sheet 2 surface-coated 20% concentration
2SO
4Solution, oven dry; Then use the EVA double-faced packaging good solar battery sheet 2, and use extension line 3 to draw both positive and negative polarity; Then whole packaged solar battery sheet 2 is placed 120 ℃ of relative humidity 100 environment of temperature; Again solar battery sheet 2 fronts are stained with metal forming, the positive and negative electrode of solar battery sheet 2 links to each other; As positive pole, the solar battery sheet 2 after the series connection applies 500V voltage as negative pole with metal forming, continues 0.5h; The solar battery sheet 2 that at last experiment is finished is removed the macromolecule layer of encapsulation, test electrical property and electroluminescent graph, the variation of assess effectiveness decay and photoluminescence figure.
The anti-electromotive force that this solar battery sheet electromotive force induces decay pick-up unit and detection method thereof can detect solar battery sheet is in a short period of time induced damping capacity, the anti-electromotive force of the assembly that improves solar cell and make is induced the ability of decay, thereby guarantees the performance of assembly in the high voltage operation environment.
It is emphasized that: above only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, every foundation technical spirit of the present invention all still belongs in the scope of technical solution of the present invention any simple modification, equivalent variations and modification that above embodiment does.
Claims (5)
1. a solar battery sheet electromotive force is induced the decay pick-up unit, it is characterized in that, comprise that inside is provided with cavity, open-topped calandria (5), be provided with liquid (6) in described calandria (5) cavity, top open part is provided with insulator (4), and described insulator (4) in the form of a ring, its open centre overlaps with calandria (5) open centre, and the opening of described insulator (4) is slightly less than the opening of calandria (5); Be placed with solar battery sheet (2) on the described insulator (4), described solar battery sheet (2) is provided with the extension line (3) that is connected with dc power cathode, and its upper surface is provided with the electric conductor (1) that is connected with dc power anode.
2. a solar battery sheet electromotive force according to claim 1 is induced the detection method of decay pick-up unit, it is characterized in that, may further comprise the steps:
A, solar battery sheet (2) is carried out the test of electrical property and electroluminescent graph;
B, solar battery sheet (2) surface-coated of getting well in test contain aqueous slkali or the salt solusion of Na ion, and dry;
C, with solar battery sheet (2) use that EVA etc. is transparent, the macromolecular material double-faced packaging of insulation and vapor pervious is good, and uses extension line (3) to draw both positive and negative polarity;
D, whole packaged solar battery sheet (2) is placed on the pick-up unit;
E, be stained with metal forming or sheet metal in solar battery sheet (2) front, the positive and negative electrode of solar battery sheet (2) links to each other, with metal forming or sheet metal as positive pole, solar battery sheet after the series connection (2) is as negative pole, the open detection device heats wherein liquid, then sample is applied voltage, continuing is a period of time, closes direct supply;
The macromolecule layer that f, solar battery sheet (2) dismounting that experiment is finished encapsulate, test electrical property and electroluminescent graph, the variation of assess effectiveness decay and photoluminescence figure.
3. a kind of solar battery sheet electromotive force according to claim 2 is induced the detection method of decay pick-up unit, it is characterized in that Na ion aqueous slkali or concentration of salt solution are more than 1% among the described step b.
4. a kind of solar battery sheet electromotive force according to claim 2 is induced the detection method of decay pick-up unit, it is characterized in that environment temperature is 60～150 ℃ in the described steps d, and humidity is 50%～100%.
5. a kind of solar battery sheet electromotive force according to claim 2 is induced the detection method of decay pick-up unit, it is characterized in that added voltage is 200～1500V among the described step e, and the duration is 10min～5h.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103795341A (en) * | 2014-03-03 | 2014-05-14 | 江苏万丰光伏有限公司 | Method for testing PID-attenuation-proof performance of photovoltaic assembly |
| CN104319313A (en) * | 2014-10-13 | 2015-01-28 | 天威新能源控股有限公司 | Method for preventing potential PID (Potential Induced Degradation) of polycrystalline silicon solar cell component |
| CN106486389A (en) * | 2015-08-24 | 2017-03-08 | 电子部品研究院 | The PID characteristic test method of solaode, test thin slice and its manufacture method |
| CN107800382A (en) * | 2016-09-05 | 2018-03-13 | 阿特斯阳光电力集团有限公司 | A kind of solar cell test method |
| CN108896915A (en) * | 2018-05-14 | 2018-11-27 | 欧贝黎新能源科技股份有限公司 | A kind of the potential induction attenuation test device and test method of silicon solar cell |
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| CN202886549U (en) * | 2012-10-29 | 2013-04-17 | 李宗斌 | Device for leakage position detection of solar cell module before or after PID (Potential Induced Degradation) test |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106486389A (en) * | 2015-08-24 | 2017-03-08 | 电子部品研究院 | The PID characteristic test method of solaode, test thin slice and its manufacture method |
| CN107800382A (en) * | 2016-09-05 | 2018-03-13 | 阿特斯阳光电力集团有限公司 | A kind of solar cell test method |
| CN107800382B (en) * | 2016-09-05 | 2019-08-20 | 阿特斯阳光电力集团有限公司 | A kind of solar cell test method |
| CN108896915A (en) * | 2018-05-14 | 2018-11-27 | 欧贝黎新能源科技股份有限公司 | A kind of the potential induction attenuation test device and test method of silicon solar cell |
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Effective date of registration: 20170526 Address after: 225312 Jiangsu Province, Taizhou City Hailing Jiulong Town Yaojia Road No. 1 Applicant after: Sun Sheng Amperex Technology Limited Address before: Kowloon Taiwan Industrial Park in Jiangsu city of Taizhou province Yaojia road 225312 Applicant before: Taitong Taizhou Industry Co., Ltd. |
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Application publication date: 20131002 |
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