CN102721841A - Solar simulator for testing solar cells - Google Patents
Solar simulator for testing solar cells Download PDFInfo
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- CN102721841A CN102721841A CN2012101977876A CN201210197787A CN102721841A CN 102721841 A CN102721841 A CN 102721841A CN 2012101977876 A CN2012101977876 A CN 2012101977876A CN 201210197787 A CN201210197787 A CN 201210197787A CN 102721841 A CN102721841 A CN 102721841A
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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
Abstract
The invention relates to a solar simulator, particularly relates to a solar simulator for testing solar cells, and belongs to the technical field of detection for solar cells. The solar simulator realizes that a light source is changed into a surface light source irradiating uniformly. The solar simulator is mainly technically characterized by comprising a light guide component, one end of the light guide component is an input end of a fiber bundle and is connected with a light filter, the other end of the light guide component is a fiber output end and is connected with a baffle on the top of a light source box, a solar cell testing platform is mounted above the baffle, a light receiving surface of the platform is provided with a groove corresponding to an output port of the fiber bundle, and light of a light source is condensed to the light filter from a convex lens, and is uniformly transmitted to the solar cell testing platform via the fiber bundle. The solar simulator is provided with a xenon lamp, the light of the light source is focused at first and then is uniformly scattered on the testing platform by fiber light guide technology, and the requirement on uniform and stable irradiation for testing electric performances of the solar cells is met.
Description
Technical field
The present invention relates to a kind of solar simulator, particularly a kind of solar simulator that is used to test solar cell belongs to solar cell pick-up unit technical field.
Background technology
At present; The quality that is used to test the solar simulator of solar cell depends primarily on the irradiation intensity and the uniformity coefficient of light source, in the light source near sunshine be xenon lamp, but xenon lamp belongs to pointolite; Need light source be processed into parallel uniform light source; Disclose a kind of light source with xenon lamp like Chinese patent 201020177252.9 " reflective solar simulator " and be processed into uniform light source through reflection, but reflection configuration is comparatively complicated comparatively speaking, the reflection unit accuracy requirement is higher; Calculating needs accurately, and manufacture difficulty is big.Along with the development of LED technology, people begin to adopt the light source of LED as solar simulator, adopt versicolor LED like Chinese patent 200810025522.1 " LED solar simulator "; Number through regulating LED and the strength of current of LED reach the light intensity of each wave band of solar spectrum, realize simulated solar spectrum, but owing to LED belongs to monochromatic light; Need carry out the complex light that optics is mixed into simulated solar spectrum to the LED of different colours, therefore need light source very many, and need a cover light source compound system and a light source modification system; Complex structure; Cost is high, simultaneously because the heating problem of LED causes the damage of LED easily; Make light source to readjust, use inconvenient.Chinese patent 201010291865.X " the solar energy simulator light source of a kind of many mirrors and the coupling of many optical fiber " utilizes point light source light-emitting to have the characteristics of the luminous subtended angle of broad at solid space; Adopt the mode of poly-lens and arrangement of mirrors and optical fiber coupling; Realize the high-level efficiency utilization and the output of energy of light source, but the quantity of lens is various, arrangement mode is complicated; Floor area is big, and cost is high.
Summary of the invention
Deficiency to above prior art; The present invention designs a kind of simple in structure, reduce the light source input, satisfies evenly requirement of irradiation intensity and illumination; Be fit to the solar simulator of test solar cell electrical property, solution becomes light source into irradiation uniform surface light source technical matters.
In order to realize above task; The technical scheme that the present invention adopts: design a kind of solar simulator that is used to test solar cell; Comprise light-source box and interior catoptron, convex lens, light filter and light guide member thereof; The major technique characteristic is: light guide member, one of which end are that the input end of fibre bundle is connected with light filter; The other end is that fiber-optic output is connected with the baffle plate at light-source box top; The solar cell test platform is equipped with in the top of baffle plate; The sensitive surface of this platform is provided with and fibre bundle delivery outlet corresponding groove; Light source, evenly is transferred to through fibre bundle on the test platform of solar cell to light filter by convex lens optically focused.
Fibre bundle is point, line or three-back-shaped distribution, and the transmission spectrum of fibre bundle is 300-1900nm, and visible light transmissivity is greater than 85%.
Light source is an xenon lamp, and the material of fibre bundle is quartz or glass.
Light filter is installed in the light-source box by back up pad; One end of fibre bundle is concentrated, and is strapped in by fixed head on the back up pad of light filter.
The baffle plate at light-source box top is made up of reflectorized material, and between baffle plate and the solar cell test platform certain spacing is arranged.
Test platform is processed by the transparent glass of band groove, and the another side of this transparent glass is the plane, is used to place solar cell.
Test platform is the split type platform that is made up of two ultra-clear glasses, and wherein a ultra-clear glasses is a sheet glass, is used to place solar cell; Another piece is the glass with a plurality of grooves, is installed on the baffle plate, and corresponding fiber optic point or optical fiber bar are corresponding in each groove and the fibre bundle.
A plurality of light sources and many cover optical systems are housed in the light-source box, on the sidewall of light-source box extraction fan are housed.
The beneficial effect that the present invention produces: light source adopts xenon lamp; With the advanced line focusing of light source; Adopt the leaded light technology that light source is evenly spread on the test platform then, and the sensitive surface of test platform is provided with and the optical fiber corresponding groove, makes light source have the uniform surface light source characteristics; Satisfy all even stable solar cell electric performance test requirement of irradiation, solved the uneven problem of ordinary light source irradiance distribution.
Employing secondary condensation technology is all assembled the direct light and the scattered light of light source, makes full use of light source, and loss of light source is few; The light fixture usage quantity is reasonable, all can conveniently control for the inconsistency and the irradiance of light source, reduces the input of light filter, practices thrift cost.
Description of drawings
Fig. 1: structural representation of the present invention.
Fig. 2: be the A-A cut-open view among Fig. 1, fibre bundle 10 adopts point type to distribute.
Fig. 3: be the A-A cut-open view among Fig. 1, fibre bundle 10 adopts the line formula to distribute.
Fig. 4: be the A-A cut-open view among Fig. 1, fibre bundle 10 adopts the Back Word form to distribute.
Fig. 5: the synoptic diagram of the embodiment of the invention 2.
Fig. 6: the synoptic diagram of the embodiment of the invention 3.
Among Fig. 1 to Fig. 6: 1, light-source box, 2, plane mirror, 3, extraction fan, 4, the convex lens back up pad; 5, light filter back up pad, 6, the optical fiber fixed head, 7, ultra-clear glasses, 8, solar cell; 9, baffle plate, 10, fibre bundle, 11, light filter, 12, convex lens; 13, xenon lamp, 14, arc-shaped reflecting mirror, 15, with the glass of a plurality of grooves.
Embodiment
See Fig. 1 to Fig. 3, be used to test the solar simulator of solar cell, form by light-source box, optical system and test platform; Plane mirror 2, extraction fan 3, convex lens back up pad 4, light filter back up pad 5 and optical fiber fixed head 6 are housed in the light-source box 1, and optical system is made up of xenon lamp 13, arc-shaped reflecting mirror 14, convex lens 12, light filter 11, fibre bundle 10 and baffle plate 9, and test platform is processed by the transparent glass of band groove; Corresponding fiber optic point or optical fiber bar are corresponding in each groove and the fibre bundle, and the another side of test platform is the plane, is used to place solar cell; Arc-shaped reflecting mirror 14 is placed on the bottom of light-source box 1, in its along light source xenon lamp 13 is installed, and convex lens 12 are fixing by back up pad 4; The optically focused end of convex lens is equipped with light filter 11; This light filter is fixed by back up pad, and fibre bundle 10 is positioned at the top of light filter 11, and an end of fibre bundle is concentrated; Be installed on the light filter back up pad 5 by 6 constraints of optical fiber fixed head; The other end is evenly distributed on the baffle plate 9 at light-source box 1 top, and fibre bundle is point, line or three-back-shaped distribution, and the transmission spectrum of fibre bundle is 300 ~ 1900nm; Visible light transmissivity is greater than 85%, and solar cell test platform 7 is installed in the top of baffle plate 9.
During detection; Scattered light that xenon lamp 13 sends changes directional light after through arc-shaped reflecting mirror 14 reflections into to be put into and carries out optically focused on the convex lens 12; Hot spot behind the optically focused carries out the unnecessary light wave of filtering through light filter 11; The light source irradiation of passing through light filter 11 then evenly is transferred to through fibre bundle on the test platform 7 of solar cell to fibre bundle 10.
Present embodiment is the solar simulator that is applicable to test small size solar cell, sees Fig. 4, and it is split type that test platform is; Mainly be made up of two blocks of glass, wherein one is sheet glass, is used to place solar cell 8; Another piece glass tape is fluted; And the one side of band groove is contained on the baffle plate 9 at light-source box 1 top, and fiber optic point or optical fiber bar are corresponding accordingly in each groove and the fibre bundle, make the light that is radiated on the test platform more even.It is more convenient that test platform adopts this split-type structural to use, and the surface of plate glass because solar cell can wear and tear when being placed on the sheet glass needs often to change, and this split-type structural is more convenient for changing the glass of placing solar cell, can reduce cost.Present embodiment is used to test structure and the principle of work of solar simulator of solar cell with embodiment 1, repeats no more at this.
Present embodiment is the solar simulator that is applicable to test large scale solar cell; See Fig. 5; A plurality of xenon lamps 13 and many cover optical systems are housed in the light-source box 1, can carry out horizontal and vertical expansion as required, each xenon lamp 13 by convex lens 12 optically focused of correspondence to light filter 11; Evenly be transferred to through fibre bundle 10 on the test platform of solar cell, realize test large scale solar cell.Present embodiment is used to test structure and the principle of work of solar simulator of solar cell with embodiment 1, repeats no more at this.
Claims (10)
1. a solar simulator that is used to test solar cell comprises light-source box and interior catoptron, convex lens, light filter and light guide member thereof, it is characterized in that said light guide member, and the one of which end is that the input end of fibre bundle is connected with light filter; The other end is that fiber-optic output is connected with the baffle plate at light-source box top; The solar cell test platform is equipped with in the top of baffle plate; The sensitive surface of this platform is provided with and fibre bundle delivery outlet corresponding groove; Light source, evenly is transferred to through fibre bundle on the test platform of solar cell to light filter by convex lens optically focused.
2. the solar simulator that is used to test solar cell according to claim 1 is characterized in that said fibre bundle is point, line or three-back-shaped distribution, and the transmission spectrum of fibre bundle is 300-1900nm, and visible light transmissivity is greater than 85%.
3. the solar simulator that is used to test solar cell according to claim 1 and 2 is characterized in that said light source is an xenon lamp, and the material of fibre bundle is quartz or glass.
4. the solar simulator that is used to test solar cell according to claim 1 is characterized in that said light filter is installed in the light-source box by back up pad; One end of fibre bundle is strapped on the back up pad of light filter by fixed head.
5. the solar simulator that is used to test solar cell according to claim 1 is characterized in that said baffle plate is made up of reflectorized material.
6. the solar simulator that is used to test solar cell according to claim 1 is characterized in that between baffle plate and the solar cell test platform at said light-source box top certain spacing being arranged.
7. the solar simulator that is used to test solar cell according to claim 6, it is characterized in that said test platform by the band groove transparent glass process, the another side of this transparent glass is the plane, is used to place solar cell.
8. the solar simulator that is used to test solar cell according to claim 1 is characterized in that said test platform is the split type platform that is made up of two ultra-clear glasses.
9. the solar simulator that is used to test solar cell according to claim 8 is characterized in that wherein ultra-clear glasses of said split type platform is a sheet glass, is used to place solar cell; Another piece is the glass with a plurality of grooves, is installed on the baffle plate, and corresponding optical fiber delivery outlet is corresponding in each groove and the fibre bundle.
10. the solar simulator that is used to test solar cell according to claim 2 is characterized in that being equipped with in the said light-source box a plurality of light sources and many cover optical systems, on the sidewall of light-source box extraction fan is housed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210197787.6A CN102721841B (en) | 2012-06-15 | 2012-06-15 | Solar simulator for testing solar cells |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210197787.6A CN102721841B (en) | 2012-06-15 | 2012-06-15 | Solar simulator for testing solar cells |
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| CN102721841A true CN102721841A (en) | 2012-10-10 |
| CN102721841B CN102721841B (en) | 2014-10-01 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103064030A (en) * | 2012-12-21 | 2013-04-24 | 杨军 | System and method for battery light converging testing and sample platform for battery light converging testing |
| CN103076586A (en) * | 2012-12-29 | 2013-05-01 | 常州天合光能有限公司 | Method for improving standard sheet calibrating and monitoring 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 |
| CN106332552A (en) * | 2013-11-14 | 2017-01-11 | 圣奥古斯丁加拿大电气有限公司 | Device and method for testing a concentrated photovoltaic module |
| CN106471388A (en) * | 2013-11-14 | 2017-03-01 | 圣奥古斯丁加拿大电气有限公司 | Method for testing light concentrating photovoltaic module |
| CN106647887A (en) * | 2016-12-07 | 2017-05-10 | 常州天合光能有限公司 | Generating capacity testing environment case |
| US11005418B2 (en) | 2013-11-14 | 2021-05-11 | Saint-Augustin Canada Electric Inc. | Device for testing a concentrated photovoltaic module |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI609150B (en) * | 2017-07-04 | 2017-12-21 | Solar Simulator |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103064030A (en) * | 2012-12-21 | 2013-04-24 | 杨军 | System and method for battery light converging testing and sample platform for battery light converging testing |
| CN103064030B (en) * | 2012-12-21 | 2015-05-27 | 杨军 | System and method for battery light converging testing and sample platform for battery light converging testing |
| CN103076586A (en) * | 2012-12-29 | 2013-05-01 | 常州天合光能有限公司 | Method for improving standard sheet calibrating and monitoring of solar simulator |
| CN103076586B (en) * | 2012-12-29 | 2015-04-29 | 常州天合光能有限公司 | Method for improving standard sheet calibrating and monitoring 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 |
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| CN106332552A (en) * | 2013-11-14 | 2017-01-11 | 圣奥古斯丁加拿大电气有限公司 | Device and method for testing a concentrated photovoltaic module |
| CN106471388A (en) * | 2013-11-14 | 2017-03-01 | 圣奥古斯丁加拿大电气有限公司 | Method for testing light concentrating photovoltaic module |
| CN106332552B (en) * | 2013-11-14 | 2019-02-22 | 圣奥古斯丁加拿大电气有限公司 | For testing the device and method of light concentrating photovoltaic module |
| US10432140B2 (en) | 2013-11-14 | 2019-10-01 | Saint-Augustin Canada Electric Inc. | Method for testing a concentrated photovoltaic module |
| US11005418B2 (en) | 2013-11-14 | 2021-05-11 | Saint-Augustin Canada Electric Inc. | Device for testing a concentrated photovoltaic module |
| CN106647887A (en) * | 2016-12-07 | 2017-05-10 | 常州天合光能有限公司 | Generating capacity testing environment case |
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| CN102721841B (en) | 2014-10-01 |
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