CN106788246A - A kind of tester light intensity uniformity detection calibration method - Google Patents
A kind of tester light intensity uniformity detection calibration method Download PDFInfo
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- CN106788246A CN106788246A CN201611082078.8A CN201611082078A CN106788246A CN 106788246 A CN106788246 A CN 106788246A CN 201611082078 A CN201611082078 A CN 201611082078A CN 106788246 A CN106788246 A CN 106788246A
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- light intensity
- test
- tester
- calibration method
- intensity uniformity
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- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000001514 detection method Methods 0.000 title claims abstract description 17
- 238000012360 testing method Methods 0.000 claims abstract description 61
- 230000009467 reduction Effects 0.000 claims abstract description 6
- 238000003860 storage Methods 0.000 claims description 10
- 230000001105 regulatory effect Effects 0.000 claims description 7
- 238000012545 processing Methods 0.000 claims description 6
- 230000002159 abnormal effect Effects 0.000 claims description 4
- 238000013102 re-test Methods 0.000 claims description 4
- 229910052724 xenon Inorganic materials 0.000 claims description 4
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 claims description 4
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 238000001179 sorption measurement Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims 1
- 238000005259 measurement Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 239000005357 flat glass Substances 0.000 description 3
- 238000005286 illumination Methods 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- 239000011521 glass Substances 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 101150042248 Mgmt gene Proteins 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S50/00—Monitoring or testing of PV systems, e.g. load balancing or fault identification
- H02S50/10—Testing of PV devices, e.g. of PV modules or single PV cells
-
- 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
Landscapes
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
- Photovoltaic Devices (AREA)
- Testing Of Individual Semiconductor Devices (AREA)
Abstract
The invention belongs to solar cell test technical field, it is related to so that the more accurate light intensity uniformity detection calibration method of test result.It includes following calibration steps successively：Prepare warm operation；Examination is surveyed：Tender to be tested, is accessed the tester by selection " electric current gear " and " voltage gear ", and tender to be tested is positioned over into test panel short side middle position, first carries out examination survey；Calibration regulation：Small tender is placed on test panel short side lean-with during test, 2 points A, H are chosen at the 30cm of short side edge 20 in head and the tail both sides starts detection calibration；6 points of decile are chosen again in the centre of point A, H, 18 22cm are separated by between 2 points, test the Isc numerical value that small tender is put at each, take this eight test numbers, calculate its light intensity inhomogeneities；Reduction observation；Finally carry out power contrast.Using specific calibration method of the invention, can cause that light intensity uniformity test is more accurate.
Description
Technical field
The invention belongs to solar cell test technical field, it is related to so that the more accurate light intensity uniformity of test result is surveyed
Examination calibration method.
Background technology
Solar battery sheet needs to use calibrated cell piece to calibrate test equipment before testing, to ensure to survey
The accuracy of test result, solar cell demarcate process according to GB GB6497-86 " ground demarcated with solar cell one
As specify " require carry out.The technical requirements that ground monocrystalline or polycrystalline silicon solar cell are demarcated are defined in GB GB6497-86
For:AMl.5 standard solar spectrums, total solar irradiance is 1000W/m2, the demarcation temperature of solar cell is 1 DEG C of 25 scholar.Demarcate
With equipment before demarcation, it is necessary to calibrated through national measurement department or its specialized agency for entrusting, and to short circuit current measurement method
There is related regulation and requirement to certainty of measurement, temperature error, spectral response, irradiance measurement.
CN202854275U (2013-4-3) discloses a kind of test device of photovoltaic module and the test system of photovoltaic module
System, but the device and system do not solve the light intensity uniformity detection calibration method for solar battery sheet.
The content of the invention
The more accurate light intensity uniformity detection calibration method of test result is caused it is an object of the invention to provide one kind.
Above-mentioned technical purpose of the invention technical scheme is that：
A kind of tester light intensity uniformity detection calibration method, successively including following calibration steps：
（1）Preparation：
Prepare solar components simulator tester；By the tester preheat 5-15 minute to the tester temperature be T=25
± 2 DEG C, into operation；
（2）Examination is surveyed：
Selection " electric current gear " and " voltage gear " is special value, and tender to be tested is accessed the tester, and will be to be measured
Test-object part is positioned over test panel short side middle position, first carries out examination survey, obtains examination and surveys IV curves；
（3）Calibration regulation：
Small tender is placed on test panel short side lean-with during test, 2 are chosen at short side edge 20-30cm in head and the tail both sides
Individual point A, H start detection calibration, equipment by adjusting board both sides " light intensity regulating potentiometer " knob, make tender to be tested A,
H point Isc test numbers are 9.18 ± 0.05A；6 points of decile are chosen again in the centre of point A, H, and 18- is separated by between 2 points
22cm, tests the Isc numerical value that small tender is put at each, this eight test numbers is taken, according to formula（Iscmax-Iscmin）/
（Iscmax+Iscmin）× 100% calculates its light intensity inhomogeneities, if light intensity inhomogeneities is more than 2%, it is required that equipment is adjusted
Section, if light intensity inhomogeneities is within 2%, now i.e. it is believed that board light intensity uniformity is good；
（4）Reduction observation：
Content and parameter value reduction are chosen interface is set in time after regulating, then board is calibrated with standard component, and observe it
Whether IV curves are normal；
（5）Power contrast：
Three block assemblies are looked for from line carries out meridian line power contrast, and when within 1W, delivery quality is used mean power deviation, school
Standard is completed.
Using specific calibration method of the invention, can cause that light intensity uniformity test is more accurate.
Preferably, the step（2）When examination is surveyed, selection " electric current gear " is 10A, and " voltage gear " is 1V.
Preferably, light intensity uniformity xenon lamp, retest be unstable, IV curves have ladder or the abnormal feelings of fluctuation changing
Adjusted under condition.
Preferably, solar components have several columns cell piece, at least two panels cell piece, each column in each column cell piece
Grid line is provided between two panels cell piece adjacent in cell piece.
It is highly preferred that when carrying out actual test after the completion of calibration, being tested using light intensity uniformity testing auxiliary device；
The servicing unit includes location-plate, linearly equidistantly offers on the location-plate and to match with the cell piece
Storage tank, forms dividing plate between two neighboring storage tank, the width of the dividing plate is consistent with the width of the grid line, the positioning
The quantity of storage tank is equal with the quantity of cell piece in each column cell piece in plate.
In this programme when being calibrated to solar components power measuring, location-plate is placed on the glass sheet, due to standard
Cell piece is placed in storage tank, solar energy when now the spacing of normal cell sheet glass face and test zone sheet glass is with production line test
Component glass surface is consistent with the spacing of test zone sheet glass, it is ensured that with the uniformity of production line test Light intensity during calibration,
The workload of staff is reduced simultaneously.
It is further preferred that the lower surface of the location-plate is provided with parallel track and black coating.
Preferably, the solar components simulator tester includes light intensity reception device, solar components and data
Processing unit, the light intensity reception device includes the monolithic solar module of at least one independence and the sampling of series connection with it
Resistance, by back side magnet adsorption on solar components surface, the data processing equipment includes number to monolithic solar module
According to collector and display instrument, the data acquisition unit is connected with the two ends of sample resistance.
Can realize that the reflection price adjustment different from outdoor assembly array of lab simulation environment is played two before and after component using the present invention
The illumination uniformity measurement of face diverse location.
It is highly preferred that the solar components simulator tester is many gloomy XJCM-10A ＆ 9A testers.
In sum, the invention has the advantages that：
1st, using specific calibration method of the invention, can cause that light intensity uniformity test is more accurate；
When the 2nd, ensure that calibration and production line test Light intensity uniformity, while reducing the workload of staff；
3rd, can realize that two sides before and after component is played in the reflection price adjustment different from outdoor assembly array of lab simulation environment using the present invention
The illumination uniformity measurement of diverse location.
Brief description of the drawings
Fig. 1 is solar components simulator tester of the present invention " calibration and amendment " interface；
Fig. 2 is solar components simulator tester " electric current gear " of the present invention and " voltage gear " interface；
Fig. 3 is that tender examination to be tested of the invention measures intention；
Fig. 4 is that IV curves are surveyed in present invention examination；
Fig. 5 is test panel reconnaissance schematic diagram one of the present invention；
Fig. 6 is test panel reconnaissance schematic diagram two of the present invention；
Fig. 7 is the solar components schematic diagram of actual test after the completion of present invention calibration；
Fig. 8 is the top view of light intensity uniformity testing auxiliary device of the present invention.
Specific embodiment
1.1 preparations
1.1.1 equipment and instrument, many gloomy XJCM-10A 9A testers, small tender needed for preparing（SN：GY2015001）
1.1.2 test environment requirement：Assembly temperature is T=25 ± 2 DEG C, test environment opposing seal.
1.1.3 equipment is opened, total power switch, tester switch, computer is opened successively；Many gloomy tester preheating 5-15
Minute（It is preferred that 10 minutes）Enter operation interface afterwards.
1.2 work flows
1.2.1 test advances into many gloomy testers and sets whether interface inspection board parameters meet normal operation requirement.
1.2.2 strike " being adapted to this temperature " and choose and " do not calibrated or repaiied at " calibration and amendment " interface first
Just " subsequently into " data acquisition " interface, selection " electric current gear " is 10A, and " voltage gear " is 1V.（Such as Fig. 1 and Fig. 2）
1.2.3 tester is accessed small tender is tested, and tender is positioned over test panel short side middle position, first tried
Survey (Fig. 3), examination is surveyed IV curves and is illustrated in fig. 4 shown below, and can carry out next step test.
Small tender is placed on test panel short side lean-with when 1.2.4 testing, in 2 sides of head and the tail away from short side edge 20-
30cm（It is preferred that 25cm）Choose 2 points A, H in place（As shown in Figure 5）Start test, equipment is by adjusting board both sides " light intensity regulating
Potentiometer " knob, makes small tender be 9.18 ± 0.05A in A, H point Isc test numbers.
1.2.5 1 point is chosen again in the centre of point A, H, 18-22cm is separated by between 2 points（It is preferred that 20cm）, test small
The Isc numerical value that tender is put at each, takes this eight test numbers shown in Fig. 6, its light intensity is calculated according to the following equation uneven
Property（Iscmax-Iscmin）/（Iscmax+Iscmin）× 100%, if light intensity inhomogeneities is more than 2%, it is required that equipment is adjusted
Section, if light intensity inhomogeneities is within 2%, now i.e. it is believed that board light intensity uniformity is good.
1.2.5 content and parameter value reduction are chosen interface is set in time after regulating, standard component adjusting machine is then used
Platform, and whether observe its IV curve normal.
1.2.1 finally looking for from line three block assemblies carries out meridian line power contrast, and mean power deviation can within 1W
Used with delivery quality.
1.3 points for attention
1.3.1 application alcohol wipe test desktop before testing, it is ensured that test desktop cleaning is clean.
1.3.2 " light intensity regulating point position device "（Tester table short side both sides respectively have one, and the light intensity on both sides is controlled respectively）
Non- equipment personnel must not be adjusted, it is to avoid potential safety hazard occurs.
1.3.4 xenon lamp, retest be unstable, IV curves have the exception feelings such as ladder or fluctuation changing for light intensity uniformity
Adjusted under condition.
1.3.5 Quality Mgmt Dept to find that IV curves or test data are present in normal production abnormal, notify in time technique and
Equipment is processed, and after equipment carries out light intensity uniformity regulation, technique confirms that rear delivery quality without exception is normally used.
Light intensity uniformity is changing that xenon lamp, retest be unstable, IV curves are adjusted under having ladder or fluctuation abnormal conditions.
For solar components, there can be various constructions.For example, as shown in fig. 7, in order to ensure calibration when and production line test
The uniformity of Light intensity, while reducing the workload of staff；Solar components have several columns cell piece, each column battery
At least two panels cell piece 1 in piece, grid line 2 is provided between two panels cell piece 1 adjacent in each column cell piece.
When carrying out actual test after the completion of calibration, surveyed using light intensity uniformity testing auxiliary device as shown in Figure 8
Examination；Servicing unit includes location-plate 3, and the storage tank matched with cell piece 1 is linearly equidistantly offered on location-plate 3
4, dividing plate 5 is formed between two neighboring storage tank 4, the width of dividing plate 5 is consistent with the width of grid line 2, storage tank 4 in location-plate 3
Quantity it is equal with the quantity of cell piece 1 in each column cell piece.The lower surface of location-plate 3 is provided with parallel track 6 and black
Coating.
In order to realize that two sides diverse location before and after component is played in the reflection price adjustment different from outdoor assembly array of lab simulation environment
Illumination uniformity measurement, solar components simulator tester include light intensity reception device, solar components and data processing
Device, light intensity reception device includes the monolithic solar module of at least one independence and the sample resistance of series connection with it, monolithic
By back side magnet adsorption on solar components surface, data processing equipment includes data acquisition unit and display to solar module
Instrument, data acquisition unit is connected with the two ends of sample resistance.
This specific embodiment is only explanation of the invention, and it is not limitation of the present invention, people in the art
Member can make the modification without creative contribution to the present embodiment as needed after this specification is read, but as long as at this
All protected by Patent Law in the right of invention.
Claims (8)
1. a kind of tester light intensity uniformity detection calibration method, it is characterised in that successively including following calibration steps：
Preparation：
Prepare solar components simulator tester；By the tester preheat 5-15 minute to the tester temperature be T=25
± 2 DEG C, into operation；
Examination is surveyed：
Selection " electric current gear " and " voltage gear " is special value, and tender to be tested is accessed the tester, and will be to be measured
Test-object part is positioned over test panel short side middle position, first carries out examination survey, obtains examination and surveys IV curves；
Calibration regulation：
Small tender is placed on test panel short side lean-with during test, 2 are chosen at short side edge 20-30cm in head and the tail both sides
Individual point A, H start detection calibration, equipment by adjusting board both sides " light intensity regulating potentiometer " knob, make tender to be tested A,
H point Isc test numbers are 9.18 ± 0.05A；6 points of decile are chosen again in the centre of point A, H, and 18- is separated by between 2 points
22cm, tests the Isc numerical value that small tender is put at each, this eight test numbers is taken, according to formula（Iscmax-Iscmin）/
（Iscmax+Iscmin）× 100% calculates its light intensity inhomogeneities, if light intensity inhomogeneities is more than 2%, it is required that equipment is adjusted
Section, if light intensity inhomogeneities is within 2%, now i.e. it is believed that board light intensity uniformity is good；
Reduction observation：
Content and parameter value reduction are chosen interface is set in time after regulating, then board is calibrated with standard component, and observe it
Whether IV curves are normal；
Power contrast：
Three block assemblies are looked for from line carries out meridian line power contrast, and when within 1W, delivery quality is used mean power deviation, school
Standard is completed.
2. a kind of tester light intensity uniformity detection calibration method according to claim 1, it is characterised in that：Uniform intensity
Property changing that xenon lamp, retest be unstable, IV curves adjust under having ladder or fluctuation abnormal conditions.
3. a kind of tester light intensity uniformity detection calibration method according to claim 1, it is characterised in that：Solar energy group
Part has several columns cell piece, at least two panels cell piece (1), two panels battery adjacent in each column cell piece in each column cell piece
Piece is provided with grid line between (1)（2）.
4. a kind of tester light intensity uniformity detection calibration method according to claim 3, it is characterised in that：Calibration is completed
After when carrying out actual test, tested using light intensity uniformity testing auxiliary device；The servicing unit includes location-plate
(3) storage tank (4) matched with the cell piece (1), phase linearly equidistantly, are offered on the location-plate (3)
Dividing plate (5) is formed between adjacent two storage tanks (4), the width of the dividing plate (5) is consistent with the width of the grid line (2), described
The quantity of storage tank (4) is equal with the quantity of cell piece (1) in each column cell piece in location-plate (3).
5. a kind of tester light intensity uniformity detection calibration method according to claim 4, it is characterised in that：The positioning
The lower surface of plate (3) is provided with parallel track（6）And black coating.
6. a kind of tester light intensity uniformity detection calibration method according to claim any one of 1-5, it is characterised in that：
The solar components simulator tester includes light intensity reception device, solar components and data processing equipment, the light intensity
Reception device includes the monolithic solar module of at least one independence and the sample resistance of series connection with it, monolithic solar cell
By back side magnet adsorption on solar components surface, the data processing equipment includes data acquisition unit and display instrument to component,
The data acquisition unit is connected with the two ends of sample resistance.
7. a kind of tester light intensity uniformity detection calibration method according to claim 6, it is characterised in that：It is described too
Positive energy component simulator tester is many gloomy XJCM-10A 9A testers.
8. a kind of tester light intensity uniformity detection calibration method according to claim 7, it is characterised in that：Selection " electricity
Stream gear " is 10A, and " voltage gear " is 1V.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611082078.8A CN106788246A (en) | 2016-11-30 | 2016-11-30 | A kind of tester light intensity uniformity detection calibration method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611082078.8A CN106788246A (en) | 2016-11-30 | 2016-11-30 | A kind of tester light intensity uniformity detection calibration method |
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Family
ID=58898250
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| CN201611082078.8A Pending CN106788246A (en) | 2016-11-30 | 2016-11-30 | A kind of tester light intensity uniformity detection calibration method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117133674A (en) * | 2023-10-26 | 2023-11-28 | 英利能源发展(天津)有限公司 | Light intensity uniformity adjusting device and method for component power tester |
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Application publication date: 20170531 |