CN201859011U - Apparatus for detecting irradiation homogeneity and stability of solar simulator - Google Patents
Apparatus for detecting irradiation homogeneity and stability of solar simulator Download PDFInfo
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- CN201859011U CN201859011U CN2010205775579U CN201020577557U CN201859011U CN 201859011 U CN201859011 U CN 201859011U CN 2010205775579 U CN2010205775579 U CN 2010205775579U CN 201020577557 U CN201020577557 U CN 201020577557U CN 201859011 U CN201859011 U CN 201859011U
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Abstract
An apparatus for detecting irradiation homogeneity and stability of a solar simulator includes a silicon cell sheet for providing a detector for the apparatus; a data acquisition device connected with the silicon cell sheet through a I-V converter for performing A/D conversion to acquired signals; a computer connected with the data acquisition device to provide data display. The signals detected by the apparatus are voltage signals obtained by the conversion of the I-V converter, the data acquisition device performs A/D conversion to the signals, and the computer displays a data curve.
Description
Technical field
The application relates to a kind of checkout equipment, is specifically related to a kind of device that is used to detect solar simulator irradiation uniformity and stability.
Background technology
Solar simulator is a kind of equipment that is used for simulated solar irradiation, present most photovoltaic enterprise uses solar simulator to replace the sun that the battery sheet is simulated irradiation to obtain its light transfer characteristic, as short-circuit current (Isc), open-circuit voltage (Voc), peak power (Pmax), conversion efficiency (η), fill factor, curve factor (FF) etc.These parameters can reflect the quality and the performance of solar cell, not only production technology are had very big reference and directive significance, also are related to the rank of the photovoltaic product that dispatches from the factory at last and the profit and the prestige of price and manufacturing enterprise.Be accuracy and the fairness that guarantees to measure, must determine the irradiation uniformity and the stability of solar simulator, promptly measure the irradiation nonuniformity and the irradiation instability of defined in the IEC 60904-9:2006 solar simulator performance requirement.
Irradiation nonuniformity is meant that in the gamut of effective irradiation face irradiance is with the maximum relative deviation of change in location.The irradiation instability is meant in the effective irradiation face arbitrarily on the given position, at the appointed time at interval in, the time dependent maximum relative deviation of irradiance.According to IEC60904-9:2006, the effective irradiation face equalization of solar simulator is divided into several zones, effective light-receiving area in each zone must not be greater than 400cm
2, the number in zone is determined by the total effective area of irradiation of solar simulator, generally can not be less than 64.With detector selected characteristic direction continuous sweep in the effective irradiation face, the light irradiance that receives at each point will be converted to electric signal output.Because when the irradiance of solar simulator changes, it is radiated at the ratio of the short-circuit current that produces on the solar cell and the irradiance of solar simulator near constant, therefore with the short-circuit current of galvanometer detector for measuring generation, the irradiance that can draw solar simulator changes.
Yet the short-circuit current of how gathering under the solar simulator irradiation that solar cell produced is technological difficulties, and the irradiance of gathering solar simulator changes and also therefore becomes a difficult problem.Although the development of China photovoltaic enterprise is very fast, now become global first producing country, but before we began to use pick-up unit described in the utility model in 2009, there are not relevant means to come the irradiation uniformity and the stability of solar simulator are detected and measures.
The utility model content
The purpose of this utility model provides a kind of device that detects solar simulator irradiation uniformity and stability, has to convert light signal to electric signal, quick and precisely the function of image data.This device is convenient for carrying, and various types of solar simulators all are suitable for.
For achieving the above object, the technical solution adopted in the utility model is:
The utility model provides a kind of device that detects solar simulator irradiation uniformity and stability, and described device comprises:
One silicon cell;
Be connected by an I-V converter between one data acquisition unit, this data acquisition unit and silicon cell;
One computing machine, this computing machine is connected with data acquisition unit.
Line between wherein said I-V converter and the data acquisition unit is a concentric cable, and all there is a joint at the two ends of this concentric cable.
Wherein said silicon cell is monocrystalline silicon or polysilicon, and the front of this silicon cell is towards the light source of solar simulator.
Wherein said data acquisition unit comprises a plurality of passages.
The resistance of wherein said I-V converter is the 10-500 milliohm.
The utility model is compared the advantage that has with prior art:
1. the used silicon cell of the utility model is packaged and proven, meets the requirement of transmission of quantity value, can effectively guarantee the accuracy of testing result.
2. the utility model adopts the stable high-power resistance of resistance as the I-V converter, converts current signal to voltage signal, is very beneficial for the quick collection of data.
3. the utility model is simple in structure, is convenient to install and carry, and the scene that is well positioned to meet photovoltaic enterprise and testing agency is detected and the metering demand.
4. the utility model all is suitable for to stable state and transient state solar simulator and based on the battery sheet sorter of same principle and the seasoned equipment of light etc.
Description of drawings
Below in conjunction with drawings and Examples structure of the present utility model and feature are described in further detail, wherein:
Fig. 1 is a device synoptic diagram of the present utility model.
Fig. 2 is the homogeneity with device detected transient solar simulator of the present utility model.
Fig. 3 is the stability with device detected transient solar simulator of the present utility model.
Fig. 4 is the homogeneity that detects the stable state solar simulator with device of the present utility model.
Fig. 5 is the stability that detects the stable state solar simulator with device of the present utility model.
Embodiment
See also shown in Figure 1, the utility model provide a kind of detect the solar simulator irradiation uniformity and stability device, described device comprises:
One silicon cell 1 provides detector to this device, and described silicon cell 1 is the solar cell piece through the aluminium base encapsulation of demarcating; Silicon cell 1 is monocrystalline silicon or polysilicon; The size of silicon cell 1 can be selected according to the actual conditions of solar simulator; When detecting solar simulator irradiance homogeneity and stability, the front of silicon cell 1 is towards the light source of solar simulator;
Be connected by an I-V converter 11 between one data acquisition unit 2, this data acquisition unit 2 and silicon cell 1, adopt to such an extent that signal carries out the AD conversion this device; The resistance of described I-V converter 11 is the 10-500 milliohm; Line 13 between described I-V converter 11 and the data acquisition unit 2 is a concentric cable, and all there is a joint 12 at the two ends of this concentric cable; Wherein said data acquisition unit 2 comprises a plurality of passages, an optional passage or two passages during detection;
One computing machine 3, this computing machine 3 is connected with data acquisition unit 2, provides data presentation to this device;
This composite set is used to detect the irradiation uniformity and the stability of solar simulator, and it is the voltage signal of changing gained through I-V converter 11 that this device detects the gained signal, carries out A/D conversion, computing machine video data curve by data acquisition unit 2.
In the set-up procedure that detects, with reference to IEC 60904-9:2006, actual conditions according to solar simulator, select the resistance value of I-V converter and the size of silicon solar cell, and the effective irradiation face equalization of simulator is divided into several zones, number is no less than 64, and effective light-receiving area in each zone must not be greater than 400cm
2Then with silicon cell as detector, it is positive in the face of solar simulator light source, selected characteristic direction continuous sweep in the effective irradiation face domestic demand through data acquisition system (DAS), receives light irradiance with each point and is converted to voltage signal.Because when the irradiance of solar simulator changes, it is radiated at the ratio of the short-circuit current that produces on the solar cell and the irradiance of solar simulator near constant.And the stable performance of I-V converter, resistance is not with environmental change.Therefore, in whole effective irradiation face, find out the maximal value and the minimum value of the voltage of surveying, can equivalence be received light irradiance maximal value (Emax) and minimum value (Emin), according to formula ± (Emax-Emin)/(Emax+Emin) * 100% calculate unevenness.In whole measuring process, find out the maximal value and the minimum value of the voltage of surveying, equivalence is the maximal value (Emax) and the minimum value (Emin) of irradiance, with formula ± (Emax-Emin)/(Emax+Emin) * 100% calculate instability.Finally, the homogeneity and the stability of solar simulator are assessed according to IEC 60904-9:2006 and unevenness and instability data.
Test case one
Following is the device that adopts detection solar simulator irradiation uniformity of the present utility model and stability, and the irradiation uniformity and the stability of the used transient state solar simulator of certain photovoltaic enterprise production testing are tested.
1. uniformity test:
With the area be 12.5cm * 12.5cm through demarcating and the single crystal silicon solar cell sheet of encapsulation is a detector, selecting the resistance of I-V converter is 25 milliohms.With reference to IEC60904-9, (2m * 1m) equalization is divided into 66 zones, laterally is 1-11, vertically is A-F with the effective irradiation face of survey transient state solar simulator.Silicon solar cell is placed on respectively in these 66 zones, the short-circuit current variation of gathering silicon solar cell under the each flash pulse of transient state solar simulator with data acquisition system (DAS) (is converted into voltage signal through the I-V converter, unit: mV), thereby draw of the variation of the irradiance of transient state solar simulator with the position.
With reference to the accompanying drawings 2, can draw maximal value is 108.7mV, and minimum value is 104.4mV, unevenness (%)=[maximal value-minimum value]/[maximal value+minimum value] * 100%=2.0%.According to IEC60904-9:2006, the homogeneity of this transient state solar simulator belongs to the A level.
2. stability test:
With the area be 12.5cm * 12.5cm through demarcating and the single crystal silicon solar cell sheet of encapsulation is a detector, place it in the effective irradiation face of transient state solar simulator more arbitrarily, selecting the resistance of I-V converter is 25 milliohms.In 40 minutes, with data acquisition system (DAS) be captured in the transient state solar simulator repeatedly under the flash pulse electric current of silicon solar cell change and (be converted into voltage signal through the I-V converter, unit: mV).The gained data as shown in Figure 3, its maximal value is 109.5mV, minimum value is 108.1mV, instability (%)=[maximal value-minimum value]/[maximal value+minimum value] * 100%=0.6%.According to IEC 60904-9:2006, the stability of this transient state solar simulator belongs to the A level.
Test case two
Following is the device that adopts detection solar simulator irradiation uniformity of the present utility model and stability, and the irradiation uniformity and the stability of the used stable state solar simulator of certain photovoltaic enterprise production testing are tested.
1. uniformity test:
With the area be 12.5cm * 12.5cm through demarcating and the single crystal silicon solar cell sheet 1 of encapsulation is detector, selecting the resistance of I-V converter is 25 milliohms.With reference to IEC60904-9, (1.1m * 1.4m) equalization is divided into 64 zones, laterally is 1-8, vertically is A-H with the effective irradiation face of survey stable state solar simulator.Silicon solar cell is placed on respectively in these 64 zones, the short-circuit current variation of gathering silicon solar cell under the irradiation of stable state solar simulator with data acquisition system (DAS) (is converted into voltage signal through the I-V converter, unit: mV), thereby the irradiance that draws solar simulator changes.
With reference to the accompanying drawings 4, can draw maximal value is 126.8mV, and minimum value is 122.2mV, unevenness (%)=[maximal value-minimum value]/[maximal value+minimum value] * 100%=1.8%.According to IEC60904-9:2006, the homogeneity of this transient state solar simulator belongs to the A level.
2. stability test:
With the area be 12.5cm * 12.5cm through demarcating and the single crystal silicon solar cell sheet of encapsulation is a detector, place it in the effective irradiation face of stable state solar simulator more arbitrarily, selecting the resistance of I-V converter is 25 milliohms.By regulating the software of data acquisition system (DAS), be captured in the stable state solar simulator irradiation 30 minutes, the electric current of silicon solar cell changes and (is converted into voltage signal through the I-V converter, unit: mV).The gained data as shown in Figure 5, its maximal value is 120.9mV, minimum value is 118.5mV, instability (%)=[maximal value-minimum value]/[maximal value+minimum value] * 100%=1%.According to IEC 60904-9:2006, the stability of this transient state solar simulator belongs to the A level.
The above; it only is the embodiment in the utility model; but protection domain of the present utility model is not limited thereto; anyly be familiar with the people of this technology in the disclosed technical scope of the utility model; the conversion that can expect easily or replacement all should be encompassed within the protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claims.
Claims (5)
1. one kind is detected solar simulator irradiation uniformity and stable device, it is characterized in that described device comprises:
One silicon cell;
Be connected by an I-V converter between one data acquisition unit, this data acquisition unit and silicon cell;
One computing machine, this computing machine is connected with data acquisition unit.
2. the device of detection solar simulator irradiation uniformity according to claim 1 and stability, the line between wherein said I-V converter and the data acquisition unit is a concentric cable, all there is a joint at the two ends of this concentric cable.
3. the device of detection solar simulator irradiation uniformity according to claim 1 and stability, wherein said silicon cell is monocrystalline silicon or polysilicon, the front of this silicon cell is towards the light source of solar simulator.
4. the device of detection solar simulator irradiation uniformity according to claim 1 and stability, wherein said data acquisition unit comprises a plurality of passages.
5. the device of detection solar simulator irradiation uniformity according to claim 1 and stability, the resistance of wherein said I-V converter is the 10-500 milliohm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010205775579U CN201859011U (en) | 2010-10-25 | 2010-10-25 | Apparatus for detecting irradiation homogeneity and stability of solar simulator |
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| CN2010205775579U CN201859011U (en) | 2010-10-25 | 2010-10-25 | Apparatus for detecting irradiation homogeneity and stability of solar simulator |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102455214A (en) * | 2010-10-25 | 2012-05-16 | 中国计量科学研究院 | Device for detecting uniformity and stability of irradiation of solar simulator |
| CN103197275A (en) * | 2013-04-18 | 2013-07-10 | 海南英利新能源有限公司 | Calibration method of light source irradiation direction |
| CN108398241A (en) * | 2018-01-30 | 2018-08-14 | 苏州腾晖光伏技术有限公司 | The applicability evaluation method that pulse solar simulator tests efficient crystal silicon battery |
| CN109443708A (en) * | 2018-11-29 | 2019-03-08 | 普德光伏技术（苏州）有限公司 | A kind of solar simulator irradiation evenness test device |
| CN109755147A (en) * | 2018-11-26 | 2019-05-14 | 北京铂阳顶荣光伏科技有限公司 | Membrane photovoltaic component test method and membrane photovoltaic component |
-
2010
- 2010-10-25 CN CN2010205775579U patent/CN201859011U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102455214A (en) * | 2010-10-25 | 2012-05-16 | 中国计量科学研究院 | Device for detecting uniformity and stability of irradiation of solar simulator |
| CN103197275A (en) * | 2013-04-18 | 2013-07-10 | 海南英利新能源有限公司 | Calibration method of light source irradiation direction |
| CN103197275B (en) * | 2013-04-18 | 2015-11-25 | 海南英利新能源有限公司 | The calibration steps in light source irradiation direction |
| CN108398241A (en) * | 2018-01-30 | 2018-08-14 | 苏州腾晖光伏技术有限公司 | The applicability evaluation method that pulse solar simulator tests efficient crystal silicon battery |
| CN108398241B (en) * | 2018-01-30 | 2020-02-21 | 苏州腾晖光伏技术有限公司 | Method for evaluating applicability of pulse solar simulator to high-efficiency crystalline silicon battery test |
| CN109755147A (en) * | 2018-11-26 | 2019-05-14 | 北京铂阳顶荣光伏科技有限公司 | Membrane photovoltaic component test method and membrane photovoltaic component |
| CN109443708A (en) * | 2018-11-29 | 2019-03-08 | 普德光伏技术（苏州）有限公司 | A kind of solar simulator irradiation evenness test device |
| CN109443708B (en) * | 2018-11-29 | 2021-01-01 | 普德光伏技术（苏州）有限公司 | Irradiation uniformity testing device for solar simulator |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110608 Termination date: 20191025 |
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| CF01 | Termination of patent right due to non-payment of annual fee |