CN104079241A - Experimental board and test method for battery module PID - Google Patents
Experimental board and test method for battery module PID Download PDFInfo
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- CN104079241A CN104079241A CN201410336781.1A CN201410336781A CN104079241A CN 104079241 A CN104079241 A CN 104079241A CN 201410336781 A CN201410336781 A CN 201410336781A CN 104079241 A CN104079241 A CN 104079241A
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- brassboard
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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Abstract
The invention discloses an experimental board for a battery module PID. The experimental board comprises glass, EVAs, a battery and a back board, wherein the glass, the battery and the back board are stacked in sequence, and the front face and the back face of the battery are provided with the EVAs respectively through solder strips in a welding mode. The operating environment of a battery module in the real environment is simulated by setting parameters in a high-and-low temperature cyclic damp heat test cabinet, the experimental board passes through the IV test and the EL test before and after the experiment in sequence, data are recorded, the test parameters obtained before and after the experiment are collected, and the PID attenuation rate is obtained. According to the experimental board, the PID attenuation rate of the battery module in the real environment can be well simulated by setting the temperature and humidity in the high-and-low temperature cyclic damp heat test cabinet, the PID attenuation resisting performance of the battery module can be accurately detected through the PID test, and the experimental board plays a guidance role on reduction and prevention of the PID phenomenon and the like.
Description
Technical field
The present invention relates to battery component technical field of measurement and test, particularly the brassboard of a kind of battery component PID and method of testing thereof.
Background technology
When solar module is worked for a long time under certain humiture and high voltage environment, because high strength bias voltage constantly passes through assembly, cause having leakage current between component package material, and the phenomenon that makes assembly produce corrosion and decline is referred to as electromotive force induction decay (PID) effect.This effect can cause the power output of whole assembly to occur significantly to decline, and affects runnability and the economic benefit in whole power station.
Summary of the invention
The object of the invention is to: for the above-mentioned technical problem existing in prior art, provide brassboard and the method for testing thereof of a kind of battery component PID.
The present invention is achieved by the following technical solutions:
A brassboard of battery component PID, comprises glass, EVA, battery and backboard, and described glass, battery and backboard stack successively, and the front and back of battery is welded with EVA by welding respectively.
As preferably, described brassboard can be one or more.
The method of testing of a kind of battery component PID as above, comprises the steps:
Step S1, first, makes the brassboard of battery component PID according to said structure, welding lamination, draws both positive and negative polarity plug;
Step S2, is used banana head connected mode to be connected with tester, in the fixed area of tester, tests;
Step S3, the IV test before brassboard is tested, calibration, wiring both positive and negative polarity and the probe temperature of attention tap, to test electric current and the voltage parameter of PID brassboard;
Step S4, EL before brassboard is tested test, notes wiring both positive and negative polarity, and electric current is set to 8～9 amperes during test, magnitude of voltage is that equipment provides automatically;
Step S5, attaches Copper Foil by brassboard surface, clad battery surface, and at a lead-out wire of copper foil surface welding;
Step S6, welds together a plurality of brassboards with interconnecting strip parallel connection, and draws both positive and negative polarity;
Step S7, by power supply opening, to brassboard logical-1000V voltage, and GDJS temperature parameter is set to 60 ℃, normal humidity, gives experiment condition;
Step S8, experiment finishes, and power supply box voltage is adjusted to powered-down after 0V, and brassboard is taken apart one by one by electric iron tin;
Step S9, peels off the Copper Foil on PID brassboard surface, uses alcohol that the PID brassboard surface sticky thing of Copper Foil removing residual glue is cleaned out, and places and carry out cooling in 15 minutes;
Step S10, then brassboard is carried out respectively to EL test and IV test, EL situation of change and power situation of change after observation experiment;
Step S11, gathers test parameter before and after experiment, draws the electromotive force induction decay of battery.
As preferably, the above-mentioned testing time is 96 hours.
As preferably, described parameter is obtained by IV tester, EL tester and the test of component power tester respectively.
As preferably, the probe temperature in described step S3 is adjusted into 25 ± 2 degree.
In sum, owing to having adopted technique scheme, the invention has the beneficial effects as follows:
The present invention is by setting the humiture in GDJS, can be good at the PID rate of decay of simulated battery assembly true environment, by PID, test, can accurately detect the anti-PID fade performance of battery component, reduce and prevention PID phenomenon etc. had to directive significance.
Accompanying drawing explanation
Examples of the present invention will be described by way of reference to the accompanying drawings, wherein:
Fig. 1 is brassboard side structure schematic diagram of the present invention;
Fig. 2 is brassboard Facad structure schematic diagram of the present invention;
Fig. 3 is brassboard structure schematic diagram of the present invention;
Mark in figure: 1-glass, 2-EVA, 3-backboard, 4-battery, 5-welding.
Embodiment
Disclosed all features in this specification, or the step in disclosed all methods or process, except mutually exclusive feature and/or step, all can combine by any way.
Disclosed arbitrary feature in this specification (comprising any accessory claim, summary and accompanying drawing), unless narration especially all can be replaced by other equivalences or the alternative features with similar object.That is,, unless narration especially, each feature is an example in a series of equivalences or similar characteristics.
Embodiment 1
As shown in Figure 1 to Figure 3, the brassboard of a kind of battery component PID, comprises glass 1, EVA2, battery 4 and backboard 3, and described glass 1, battery 4 and backboard 3 stack successively, and the front and back of battery 4 is welded with EVA2 by welding 5 respectively.Described brassboard can be one or more.
The method of testing of a kind of battery component PID as above, comprises the steps:
Step S1, first, makes the brassboard of battery component PID according to said structure, welding lamination, draws both positive and negative polarity plug;
Step S2, is used banana head connected mode to be connected with tester, in the fixed area of tester, tests;
Step S3, the IV test before brassboard is tested, notes calibration, the wiring both positive and negative polarity of tap, and probe temperature is adjusted into 25 degree, electric current and the voltage parameter of test PID brassboard;
Step S4, EL before brassboard is tested test, notes wiring both positive and negative polarity, and electric current is set to 8 amperes during test, magnitude of voltage is that equipment provides automatically;
Step S5, attaches Copper Foil by brassboard surface, clad battery surface, and at a lead-out wire of copper foil surface welding;
Step S6, welds together a plurality of brassboards with interconnecting strip parallel connection, and draws both positive and negative polarity;
Step S7, by power supply opening, to brassboard logical-1000V voltage, and GDJS temperature parameter is set to 60 ℃, normal humidity, gives experiment condition;
Step S8, experiment finishes, and power supply box voltage is adjusted to powered-down after 0V, and brassboard is taken apart one by one by electric iron tin;
Step S9, peels off the Copper Foil on PID brassboard surface, uses alcohol that the PID brassboard surface sticky thing of Copper Foil removing residual glue is cleaned out, and places and carry out cooling in 15 minutes;
Step S10, then brassboard is carried out respectively to EL test and IV test, EL situation of change and power situation of change after observation experiment;
Step S11, gathers test parameter before and after experiment, draws the electromotive force induction decay of battery.
The instrument and equipment that this embodiment mainly adopts is environmental cabinet, the explosion-proof thermostatic drying chamber of ZJXY04/0019 type, IV tester, XZ-RZ100 type EL tester and XJCM-8A type component power tester, and the whole testing time is 96 hours.
Embodiment 2
The difference of the present embodiment and embodiment 1 is that the probe temperature in step S3 is adjusted into 27 degree, and the measuring current in step S4 is set to 9 amperes.
Simulated battery of the present invention without the PID attenuation under the harsh conditions of humidity, is applicable to China's western region at high temperature.
Above-described specific embodiment, further describes object of the present invention, technical scheme and beneficial effect, and institute it should be understood that and the foregoing is only specific embodiments of the invention, is not limited to the present invention.The present invention expands to any new feature or any new combination disclosing in this manual, and the arbitrary new method disclosing or step or any new combination of process.
Claims (6)
1. a brassboard of battery component PID, comprises glass, EVA, battery and backboard, it is characterized in that, described glass, battery and backboard stack successively, and the front and back of battery is welded with EVA by welding respectively.
2. the brassboard of a kind of battery component PID according to claim 1, is characterized in that, described brassboard can be one or more.
3. the method for testing of a kind of battery component PID as claimed in claim 1, is characterized in that, comprises the steps:
Step S1, first, makes the brassboard of battery component PID according to said structure, welding lamination, draws both positive and negative polarity plug;
Step S2, is used banana head connected mode to be connected with tester, in the fixed area of tester, tests;
Step S3, the IV test before brassboard is tested, calibration, wiring both positive and negative polarity and the probe temperature of attention tap, to test electric current and the voltage parameter of PID brassboard;
Step S4, EL before brassboard is tested test, notes wiring both positive and negative polarity, and electric current is set to 8～9 amperes during test, magnitude of voltage is that equipment provides automatically;
Step S5, attaches Copper Foil by brassboard surface, clad battery surface, and at a lead-out wire of copper foil surface welding;
Step S6, welds together a plurality of brassboards with interconnecting strip parallel connection, and draws both positive and negative polarity;
Step S7, by power supply opening, to brassboard logical-1000V voltage, and GDJS temperature parameter is set to 60 ℃, normal humidity, gives experiment condition;
Step S8, experiment finishes, and power supply box voltage is adjusted to powered-down after 0V, and brassboard is taken apart one by one by electric iron tin;
Step S9, peels off the Copper Foil on PID brassboard surface, uses alcohol that the PID brassboard surface sticky thing of Copper Foil removing residual glue is cleaned out, and places and carry out cooling in 15 minutes;
Step S10, then brassboard is carried out respectively to EL test and IV test, EL situation of change and power situation of change after observation experiment;
Step S11, gathers test parameter before and after experiment, draws the electromotive force induction decay of battery.
4. the method for testing of a kind of battery component PID according to claim 3, is characterized in that, the above-mentioned testing time is 96 hours.
5. the method for testing of a kind of battery component PID according to claim 3, is characterized in that, described parameter is obtained by IV tester, EL tester and the test of component power tester respectively.
6. the method for testing of a kind of battery component PID according to claim 3, is characterized in that, the probe temperature in described step S3 is adjusted into 25 ± 2 degree.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410336781.1A CN104079241A (en) | 2014-07-15 | 2014-07-15 | Experimental board and test method for battery module PID |
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| CN201410336781.1A CN104079241A (en) | 2014-07-15 | 2014-07-15 | Experimental board and test method for battery module PID |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107508549A (en) * | 2017-09-01 | 2017-12-22 | 中国华电科工集团有限公司 | A kind of detection method of the PID decay of group of string |
| CN109830544A (en) * | 2019-01-03 | 2019-05-31 | 无锡赛晶太阳能有限公司 | A kind of novel standard film and preparation method thereof |
| CN115493780A (en) * | 2022-11-16 | 2022-12-20 | 苏州晶台光电有限公司 | Method for detecting air tightness of LED product |
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| CN201416751Y (en) * | 2009-06-09 | 2010-03-03 | 南通美能得太阳能电力科技有限公司 | Luminous photovoltaic module |
| CN102866342A (en) * | 2012-09-04 | 2013-01-09 | 欧贝黎新能源科技股份有限公司 | Potential induced attenuation testing method of silicon solar assemblies |
| CN103033455A (en) * | 2012-12-12 | 2013-04-10 | 东莞南玻光伏科技有限公司 | Permeable rate test method of solar photovoltaic assembly |
| JP2013145845A (en) * | 2012-01-16 | 2013-07-25 | Mitsubishi Electric Corp | Manufacturing method of solar cell module |
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2014
- 2014-07-15 CN CN201410336781.1A patent/CN104079241A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201416751Y (en) * | 2009-06-09 | 2010-03-03 | 南通美能得太阳能电力科技有限公司 | Luminous photovoltaic module |
| JP2013145845A (en) * | 2012-01-16 | 2013-07-25 | Mitsubishi Electric Corp | Manufacturing method of solar cell module |
| CN102866342A (en) * | 2012-09-04 | 2013-01-09 | 欧贝黎新能源科技股份有限公司 | Potential induced attenuation testing method of silicon solar assemblies |
| CN103033455A (en) * | 2012-12-12 | 2013-04-10 | 东莞南玻光伏科技有限公司 | Permeable rate test method of solar photovoltaic assembly |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107508549A (en) * | 2017-09-01 | 2017-12-22 | 中国华电科工集团有限公司 | A kind of detection method of the PID decay of group of string |
| CN109830544A (en) * | 2019-01-03 | 2019-05-31 | 无锡赛晶太阳能有限公司 | A kind of novel standard film and preparation method thereof |
| CN115493780A (en) * | 2022-11-16 | 2022-12-20 | 苏州晶台光电有限公司 | Method for detecting air tightness of LED product |
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Application publication date: 20141001 |