CN102736010B - Indoor wide-spectrum wide-visual-angle condensation photovoltaic solar cell testing device - Google Patents
Indoor wide-spectrum wide-visual-angle condensation photovoltaic solar cell testing device Download PDFInfo
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- CN102736010B CN102736010B CN201210132959.1A CN201210132959A CN102736010B CN 102736010 B CN102736010 B CN 102736010B CN 201210132959 A CN201210132959 A CN 201210132959A CN 102736010 B CN102736010 B CN 102736010B
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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 provides an indoor wide-spectrum wide-visual-angle condensation photovoltaic solar cell testing device which has the main function of testing III-V family condensation solar cells under different condensation multiples. The indoor wide-spectrum wide-visual-angle condensation photovoltaic solar cell testing device comprises an optical table, a simulated light source, a cell fixture and a testing system, wherein the simulated light source positioned on the optical table emits light rays; and the testing system measures the photovoltaic characteristic curve of the solar cell to be measured. The invention is characterized by also comprising a condensation system, wherein the condensation system comprises a condensation lens, a field lens and a collimating mirror which are sequentially arranged in an optical path; and the condensation system is used for condensing the light rays onto the solar cell to be measured. The invention has the advantages of stable simulated sunlight, adjustable light source intensity, wide spectrum, wide visual angle and many condensation multiples.
Description
Technical field
The present invention relates to solar cell field tests.
Background technology
In today of fossil resource growing tension, photovoltaic application, as a kind of energy way of output of cleanliness without any pollution, has all well and good application prospect, but because of the higher restriction of solar cell cost of manufacture, have impact on the popularization of photovoltaic application.Because the cost of photovoltaic application is mainly concentrated on photovoltaic cells, adopt condensation photovoltaic technology, can produce on less solar cell and compare with the larger Energy transmission of the common solar cell of area.
Condensation photovoltaic is directly converted to electric energy by the photovoltaic cell of high transformation efficiency after being converged by sunlight, thus making departmental cost transfer to focusing system and sunlight tracking system from photovoltaic cell itself, this is the effective way of the system cost reducing photovoltaic application.
Compared with traditional monocrystalline silicon or polycrystal silicon cell, condensation photovoltaic adopts usually has more high efficiency III-V group semi-conductor material as three junction battery materials, and such battery can absorb the sunlight of more wide spectral, reaches higher generating efficiency.The record of such three junction battery efficiency in 2011 reaches 41.4%, and this efficiency is confirmed by U.S.'s regenerative resource laboratory.
Along with the development of condensation photovoltaic technology, researcher has invented various multi-form concentrator solar cell and assembly.The Chinese patent being 200910061751.3 as application number discloses a kind of device for testing solar cell parameter, and comprise analog light source, parameter tester and test platform, analog light source is positioned at above testboard, is provided with heat abstractor below testboard.It does not arrange beam condensing unit, is applicable to the situation that the analog light source outlet angle of divergence is less, and for the situation that the analog light source outlet angle of divergence is larger, test effect is bad.In order to test and research and develop different batteries, just need a set of also can adjustment the intensity of light source, there is wide spectral Large visual angle angle, the concentration photovoltaic solar battery tester of multiple focusing multiple by simulated solar irradiation.
Summary of the invention
The technical problem that the present invention solves is to provide a kind of stable simulation sunlight, adjustable light sources intensity, has the indoor width spectrum Large visual angle angle concentration photovoltaic solar battery tester of wide spectral Large visual angle angle, multiple focusing multiple.
For solving the problems of the technologies described above, the technical solution used in the present invention is: provide a kind of indoor width spectrum Large visual angle angle concentration photovoltaic solar battery tester, comprise optical table, analog light source, battery clamp and test macro, the analog light source be positioned on optical table emits beam, test macro measures the photovoltaic property curve of solar cell to be measured, it is characterized in that, also comprise condenser system, described condenser system comprises the focus lamp, field lens and the collimating mirror that are arranged in order in the optical path, by condenser system by light focusing on solar cell to be measured.
Further, described focus lamp is placed on analog light source outlet, and field lens is placed on the focus place of focus lamp, and the focus of collimating mirror overlaps with the focus of focus lamp.The measurement of the focus of described focus lamp uses the green glow that wavelength is 526.1nm.
Further, described test macro comprises the digital sourcemeter measured light intensity light power meter and measure photovoltaic property curve, and the transfer of data that the two measurement obtains is to data handling system.
Further, described battery clamp is thermal-control battery fixture.
Further, described thermal-control battery fixture comprises the oil-to-water heat exchanger being positioned at anterior vacuum pump and being positioned at rear portion.Concentrator solar cell is attracted on thermal-control battery fixture when testing, and absorption affinity is provided by vacuum pump.
Further, described oil-to-water heat exchanger cold water used is provided by water cooling unit, and the coil pipe of described oil-to-water heat exchanger is double-spiral structure, can obtain more stable and uniform Temperature Distribution.
Further, cooling water outlet and inlet and the battery clamp surface of described oil-to-water heat exchanger are provided with temp probe, and temperature measuring data is transferred to data handling system.
Further, described analog light source is the steady-state simulation device of AM1.5D filter.
Compared with prior art, beneficial effect is:
(1) the present invention has Large visual angle angle.Prior art is applicable to the less situation of the analog light source outlet angle of divergence, and the present invention is by the design of condenser system, can use when analog light source emergent light is dispersed larger.
(2) the present invention has wider spectrum (300 ~ 1800nm), and less dispersion, is particularly suitable for the test of iii-v multijunction solar cell.
(3) the present invention have evenly temperature control system, in conjunction with data handling system, can calculate battery temperature, the volt-ampere characteristic obtained is more accurate.
Accompanying drawing explanation
Fig. 1 is the light path schematic diagram of focusing system of the present invention;
Fig. 2 is device schematic diagram of the present invention;
Fig. 3 is light path schematic diagram of the present invention;
Fig. 4 is the structural representation of battery clamp of the present invention;
Fig. 5 is workflow schematic diagram of the present invention;
Fig. 6 is embodiment of the present invention simulation hot spot analysis chart;
Fig. 7 is embodiment of the present invention light spot energy analysis chart;
Wherein: 1, optical table; 2, analog light source; 3, focus lamp; 4, field lens; 5, collimating mirror; 6, digital sourcemeter; 7, battery clamp; 8, light power meter; 9, data handling system; 10, solar cell to be measured; 11, vacuum pump; 12, battery absorption place; 13, temp probe; 14, electrode; 15, water cooling unit; 16, oil-to-water heat exchanger.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
The invention provides a kind of indoor width spectrum Large visual angle angle concentration photovoltaic solar battery tester, major function is the test realizing iii-v concentrator solar cell under different light concentrating times, comprise optical table 1, analog light source 2, battery clamp 7 and test macro, the analog light source 2 be positioned on optical table 1 emits beam, test macro measures the photovoltaic property curve of solar cell 10 to be measured, also comprise condenser system, described condenser system comprises the focus lamp 3 be arranged in order in the optical path, field lens 4 and collimating mirror 5, by condenser system by light focusing on solar cell 10 to be measured.Use the steady-state simulation device of AM1.5D filter as analog light source 2, by different focus lamps 3, field lens 4 and collimating mirror 5, realize different light concentrating times, gathered together by light, impinge upon on testing sample battery 10.Described focus lamp 3 is placed on analog light source 2 and exports, and field lens 4 is placed on the focus place of focus lamp 3, and the focus of collimating mirror 5 overlaps with the focus of focus lamp 3.The measurement of the focus of described focus lamp 3 uses the green glow that wavelength is 526.1nm.
Solar cell 10 to be measured is attracted on thermal-control battery fixture 7, and is connected with digital sourcemeter 6 by electrode, carries out voltage-current characteristic scanning.Electrode is inhaled on side plate by magnet, can move freely and rotation.Big current elastic probe selected by probe, is used for compressing the electrode of solar cell 10 to be measured.Finally scanning result is processed, obtain the volt-ampere characteristic under the status of criterion.
Condenser system comprises three parts, and Part I is focus lamp 3, and focus lamp 3 will consider three aspects, and one is the high transmission rate at 300 ~ 1800nm wave band, and two is lower thermal coefficient of expansions, and three is farthest eliminate aberration.In sum, the present embodiment uses compound lens as focus lamp 3, and in order to eliminate aberration, have selected fluorite (CaF2) as positive lens, optical quartz glass (UV Fused Silica) is as negative lens.Consider that set of lenses works at a higher temperature, two lens do not glue together.Formula (1) is Aberration Analysis formula, is used for optimizing the parameter of positive negative lens.Select material also can be fluorite (CaF2) as positive lens, optical quartz glass (the UV Fused Silica) material that refractive index is close with Abbe number.
（1）
Part II is field lens 4, and it is in order to system can obtain the larger angle of visual field.Part III is collimating mirror 5.Why using field lens 4, is because the angle of divergence of the outlet light beam of simulator causes focus lamp 3 light cannot be focused on (as shown in Figure 1).So use design of the present invention, effectively this point can be overcome.
As shown in Figure 4, described thermal-control battery fixture 7 comprises the oil-to-water heat exchanger 16 being positioned at anterior vacuum pump 11 and being positioned at rear portion.Concentrator solar cell 10 is attracted on thermal-control battery fixture 7 when testing, and absorption affinity is provided by vacuum pump 11.Thermal-control battery fixture 7 uses the oil-to-water heat exchanger 16 of double-spiral structure coil pipe, thus obtains higher temperature homogeneity.Go back embedded temperature probe 13 in addition, temperature data is transferred to data handling system 9, then calculates battery temperature by software, thus obtain more accurate volt-ampere characteristic.
The present embodiment selects analog light source 2 for A level light source, and spectrum is AM1.5D, and the angle of divergence is 3.4 °.
The multiple of the present embodiment optically focused, it is fixed to be that the area that exports according to analog light source 2 and the area of battery sample come, this example selects iii-v three junction battery of comparatively common 156 × 156mm analog light source emergent light and 5 × 5mm as embodiment, can reach the light concentrating times of 385 times.The condenser system lens parameter of design is with reference to figure 3.
Be workflow of the present invention shown in Fig. 5, the light that analog light source 2 sends enters condenser system and focuses on, and is irradiated on solar cell 10 to be measured, and light power meter 8 moves on to facula position and gathers light intensity data.Battery clamp 7 collecting temperature data, data source table 6 gathers I-V data by test circuit, is jointly pooled to data handling system, by correcting, to obtain under reference condition volt-ampere characteristic.
Fig. 6 is embodiment of the present invention simulation hot spot analysis chart, and Fig. 7 is embodiment of the present invention light spot energy analysis chart.
Claims (7)
1. an indoor width spectrum Large visual angle angle concentration photovoltaic solar battery tester, comprise optical table (1), analog light source (2), battery clamp (7) and test macro, the analog light source (2) be positioned on optical table (1) emits beam, test macro measures the photovoltaic property curve of solar cell to be measured (10), solar cell to be measured (10) is attracted on battery clamp (7), it is characterized in that, also comprise condenser system, described condenser system comprises the focus lamp (3) be arranged in order in the optical path, field lens (4) and collimating mirror (5), by condenser system by light focusing on solar cell to be measured (10),
Described focus lamp (3) is compound lens, in order to eliminate aberration, fluorite is as positive lens, optical quartz glass is as negative lens, and positive and negative two lens do not glue together, described focus lamp (3) is placed on analog light source (2) outlet, and field lens (4) is placed on the focus place of focus lamp (3), and the focus of collimating mirror (5) overlaps with the focus of focus lamp (3);
The measurement of the focus of described focus lamp (3) uses the green glow that wavelength is 526.1nm, by Aberration Analysis calculating parameter; Spectral region covers 300 ~ 1800nm.
2. test equipment of solar cells according to claim 1, it is characterized in that, described test macro comprises the digital sourcemeter (6) measured light intensity light power meter (8) and measure photovoltaic property curve, and the transfer of data that the two measurement obtains is to data handling system (9).
3. test equipment of solar cells according to claim 1, is characterized in that, described battery clamp (7) is thermal-control battery fixture.
4. according to test equipment of solar cells according to claim 3, it is characterized in that, described thermal-control battery fixture comprises the oil-to-water heat exchanger (16) being positioned at anterior vacuum pump (11) and being positioned at rear portion.
5. test equipment of solar cells according to claim 4, is characterized in that, described oil-to-water heat exchanger (16) cold water used is provided by water cooling unit (15), and the coil pipe of oil-to-water heat exchanger (16) is double-spiral structure.
6. test equipment of solar cells according to claim 4, it is characterized in that, cooling water outlet and inlet and battery clamp (7) surface of described oil-to-water heat exchanger (16) are provided with temp probe (13), temperature measuring data are transferred to data handling system (9).
7. test equipment of solar cells according to claim 1, is characterized in that, the steady-state simulation device that described analog light source (2) is AM1.5D filter.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210132959.1A CN102736010B (en) | 2012-04-28 | 2012-04-28 | Indoor wide-spectrum wide-visual-angle condensation photovoltaic solar cell testing device |
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| CN201210132959.1A CN102736010B (en) | 2012-04-28 | 2012-04-28 | Indoor wide-spectrum wide-visual-angle condensation photovoltaic solar cell testing device |
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| CN102736010A CN102736010A (en) | 2012-10-17 |
| CN102736010B true CN102736010B (en) | 2015-05-27 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104635160A (en) * | 2013-11-12 | 2015-05-20 | 上海太阳能工程技术研究中心有限公司 | Light concentrating solar cell test system |
| CN104506139B (en) * | 2014-12-26 | 2017-01-11 | 中山大学 | Multifunctional laser device for concentrating photovoltaic test |
| CN108540096A (en) * | 2018-06-29 | 2018-09-14 | 上海第二工业大学 | Test device and method of the Temperature Distribution to characteristic of solar cell affecting laws |
| CN109753678B (en) * | 2018-11-17 | 2020-07-10 | 华中科技大学 | Method for calibrating volt-ampere characteristic curve of solar cell |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101881809A (en) * | 2010-06-29 | 2010-11-10 | 上海大学 | Testing system device of condensation battery of 20 times |
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| JP4829590B2 (en) * | 2005-10-25 | 2011-12-07 | キヤノン株式会社 | Imaging optical system and imaging apparatus having the same |
| US20100237895A1 (en) * | 2009-03-19 | 2010-09-23 | Kyo Young Chung | System and method for characterizing solar cell conversion performance and detecting defects in a solar cell |
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| CN101881809A (en) * | 2010-06-29 | 2010-11-10 | 上海大学 | Testing system device of condensation battery of 20 times |
Non-Patent Citations (4)
| Title |
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| 刘超博 等.太阳模拟器光学系统设计.《长春理工大学学报(自然科学版)》.2010,第33卷(第1期), * |
| 吴玉庭 等.聚光与冷却条件下常规太阳电池的特性.《清华大学学报(自然科学版)》.2003,第43卷(第8期), * |
| 用于太阳电池测试的太阳模拟技术;王志明 等;《光学精密工程》;20090731;第17卷(第7期);全文 * |
| 聚光太阳能热电系统的实验研究;王六玲 等;《太阳能学报》;20100930;第31卷(第9期);全文 * |
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