CN203349166U - Solar simulator - Google Patents
Solar simulator Download PDFInfo
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- CN203349166U CN203349166U CN 201320369081 CN201320369081U CN203349166U CN 203349166 U CN203349166 U CN 203349166U CN 201320369081 CN201320369081 CN 201320369081 CN 201320369081 U CN201320369081 U CN 201320369081U CN 203349166 U CN203349166 U CN 203349166U
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- light
- optical filter
- assembly
- spectrum
- solar simulator
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- 238000001228 spectrum Methods 0.000 claims abstract description 60
- 230000003287 optical effect Effects 0.000 claims description 83
- 230000008859 change Effects 0.000 claims description 11
- 230000010354 integration Effects 0.000 claims description 9
- 238000009792 diffusion process Methods 0.000 claims description 7
- 238000000265 homogenisation Methods 0.000 abstract 4
- 238000010586 diagram Methods 0.000 description 10
- 238000005259 measurement Methods 0.000 description 8
- 238000005286 illumination Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 229910052710 silicon Inorganic materials 0.000 description 4
- 239000010703 silicon Substances 0.000 description 4
- 230000035945 sensitivity Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 229910052724 xenon Inorganic materials 0.000 description 2
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- HVMJUDPAXRRVQO-UHFFFAOYSA-N copper indium Chemical compound [Cu].[In] HVMJUDPAXRRVQO-UHFFFAOYSA-N 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- QNWMNMIVDYETIG-UHFFFAOYSA-N gallium(ii) selenide Chemical compound [Se]=[Ga] QNWMNMIVDYETIG-UHFFFAOYSA-N 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
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Abstract
The utility model discloses a solar simulator which comprises a light source, a light homogenization component and N light filters. N is a positive integer larger than one. The light source is used for generating first light rays. The light homogenization component is arranged on the advancing route of the first light rays and is used for homogenizing the first light rays. The N light filters are arranged on the advancing route of the first light rays. M light filters of the N light filters are placed between the light source and the light homogenization component, wherein M is a positive integer smaller than or equal to N. The first light rays pass through at least part area of each of the M light filters and the light homogenization component to generate second light rays. At least part area of each of the M light filters through which the first light rays are allowed to pass can be changed, so that the proportion of the spectrum of the second light rays and the spectrum of sunlight is adjusted. At least part area of each light filter through which the light rays are allowed to pass is changed, the spectrum of the light rays emitted by the light source can be adjusted to the spectrum similar to that of sunlight quickly, and accordingly the time course for detecting a solar battery/module can be shortened.
Description
Technical field
The utility model relates to a kind of solar simulator, particularly relate to a kind ofly can effectively shortening the distance of light source and irradiated plane, and the spectrum adjusting of the light that light source is sent becomes the solar simulator of the spectrum of approximate sunshine.
Background technology
Significantly lifting along with energy demand, energy-conservation solar cell application is subject to people's attention gradually, the solar battery technology of also therefore having brought up numerous species is flourish, comprised silicon wafer solar cell (silicon based solar cell) among this, silicon film solar batteries (silicon thin film solar cell), DSSC (dye sensitized solar cell), copper indium gallium selenium solar cell (CuInGaSe solar cell), light-focusing type three-five family's solar cells (concentrator III-V compound solar cell) etc.The characteristic quality of assessing these solar cells just needs to rely on existing measurement technology, and reliable conversion efficiency of solar cell value is provided.
Mainly utilize at present solar simulator (solar simulator) that the light source of the spectrum of approximate sunshine is provided, to measure the characteristic of solar cell.Because the output of the electric power of solar cell has inseparable relation with the spectrum of sunshine, so the quality of solar simulator can affect the measurement of solar cell greatly.In addition, according to the difference of solar cell application, can adopt the spectrum AM1.5G of sunshine or AM1.5D as measuring standard.In the prior art, existing many technology about solar simulator are developed, and for example U.S. Patent Bulletin the 6th, and 590, No. 149, its distance that discloses light source and irradiated plane is a meter grade (referring to ' No. 149 patent specification the 3rd hurdle the 57th to 67 row).Because the distance of light source and irradiated plane is too large, the light that light source sends is easily dispersed after by optical filter and is made illumination reduce, and then affects the measurement of solar cell.
The utility model content
Technical problem to be solved in the utility model is: in order to make up the deficiencies in the prior art, a kind of solar simulator is provided, it can effectively shorten the distance of light source and irradiated plane, and the spectrum of the approximate sunshine of the spectrum adjusting of the light that light source is sent one-tenth, to address the above problem.
Solar simulator of the present utility model is by the following technical solutions:
Described solar simulator comprises light source, light uniformization assembly and N optical filter, and wherein N is greater than 1 positive integer.Described light source is in order to produce the first light.Described light uniformization assembly is arranged on the course of described the first light, in order to by described the first equalizing light rays.A described N optical filter is arranged on the course of described the first light, and M optical filter in a described N optical filter be between described light source and described light uniformization assembly, and wherein M is the positive integer that is less than or equal to N.Described the first light produces the second light by least part of area and the described light uniformization assembly of each described M optical filter.At least part of area of each the described M optical filter that allows described the first light to pass through can be changed, with the ratio of the spectrum of the spectrum of adjusting described the second light and sunshine.
A described M optical filter can the direction along the described course of vertical described the first light move relative to described light uniformization assembly, to change at least part of area of each the described M optical filter that allows described the first light to pass through.
A described M optical filter side by side.
A described M optical filter staggers up and down.
A described M optical filter is arranged at the first side of described light uniformization assembly movably, and other N-M optical filter is arranged at the second side of described light uniformization assembly, and described the first side is relative with described the second side.
Described light uniformization assembly comprises integration rod.
Described light uniformization assembly also comprises diffusion sheet, is arranged between a described M optical filter and described integration rod.
Therefore, according to technique scheme, solar simulator of the present utility model at least has following advantages and beneficial effect: the light that the utility model sends the light source of solar simulator is by least part of area of the optical filter between light source and light uniformization assembly, and by least part of area that changes the optical filter that allows light to pass through, the ratio of the spectrum of the light sent with the adjustment light source and the spectrum of sunshine, thus the spectrum adjusting of the light that light source is sent becomes the spectrum of approximate sunshine.In other words, as long as change at least part of area of the optical filter that allows light to pass through, the spectrum adjusting of the light that can rapidly light source be sent becomes the spectrum of approximate sunshine, thereby reduces the time-histories that detects solar cell/module.In addition, the equalizing light rays that the utility model utilizes the light uniformization assembly that light source is sent, and can between light source and irradiated plane, reflector be set, so that light source to irradiated plane the distance be less than 1 meter (preferably, can be less than 0.5 meter), the light that makes light source send can not dispersed after by optical filter and light uniformization assembly and make illumination improve, thereby guarantees the measurement of solar cell/module.
The accompanying drawing explanation
Fig. 1 is the schematic diagram of the solar simulator of the utility model one embodiment.
Fig. 2 is the schematic diagram of the solar simulator of another embodiment of the utility model.
Fig. 3 is the schematic diagram of the solar simulator of another embodiment of the utility model.
Fig. 4 is the schematic diagram of the solar simulator of another embodiment of the utility model.
Fig. 5 is the schematic diagram of the solar simulator of another embodiment of the utility model.
Fig. 6 is the flow chart of the spectrum adjusting method of the utility model one embodiment.
Wherein, description of reference numerals is as follows:
1,2,3,4, solar simulator 10 light sources
5
12 light uniformization assembly 14a, 14b, 14c optical filter
16 irradiated plane 18 reflectors
120 integration rod 122 diffusion sheets
A1, A2 arrow D distance
L1 first light L2 the second light
P course S1 the first side
S2 the second side
The specific embodiment
Please refer to Fig. 1, Fig. 1 is the schematic diagram of the solar simulator 1 of the utility model one embodiment.As shown in Figure 1, solar simulator 1 comprises light source 10, light uniformization assembly 12, N optical filter 14a, 14b and irradiated plane 16, and wherein N is greater than 1 positive integer.In this embodiment, irradiated plane 16 can be solar cell/module.In other words, solar simulator 1 of the present utility model is the light source that the spectrum of approximate sunshine is provided, to measure the characteristic of solar cell/module.In this embodiment, light source 10 can be gas-discharge lamp, xenon lamp (Xenon lamp), light emitting diode (light emitting diode, LED) lamp, Halogen lamp LED, artificial light source etc.In this embodiment, but can select according to actual demand optical filter 14a, the 14b of filtering short wavelength or long wavelength's light.
In this embodiment, the first light L1 that light source 10 produces can produce the second light L2 by least part of area and the light uniformization assembly 12 by each optical filter 14a, 14b along course P, and at least part of area of each optical filter 14a, the 14b that allow the first light L1 to pass through can be changed, with the ratio of the spectrum of the spectrum of adjusting the second light L2 and sunshine.In this embodiment, optical filter 14a, 14b can move (as shown in the direction of the arrow A 1 of Fig. 1, A2) along the direction of the course P of vertical the first light L1 relative to light uniformization assembly 12, to change at least part of area of each optical filter 14a, the 14b that allow the first light L1 to pass through.In addition, the area of each optical filter 14a, 14b can be more than or equal to the sectional area of light uniformization assembly 12 on the course P of the first light L1, depending on practical application.For example, as optical filter 14a, 14b, when light uniformization assembly 12 moves along the direction of arrow A 1, the area of the optical filter 14a that allows the first light L1 to pass through can increase, and the area of the optical filter 14b that allows the first light L1 to pass through can reduce; As optical filter 14a, 14b, when light uniformization assembly 12 moves along the direction of arrow A 2, the area of the optical filter 14a that allows the first light L1 to pass through can reduce, and the area of the optical filter 14b that allows the first light L1 to pass through can increase.
Please refer to following table 1, at least part of area of each optical filter 14a, 14b that table 1 show to allow the first light L1 to pass through, under different percentage, is the ratio that 350～670 nanometers and 670～880 nanometers measure the spectrum of the spectrum of the second light L2 obtained and sunshine in wave-length coverage.
Table 1
Therefore, by least part of area of the optical filter 14a, the 14b that change to allow the first light L1 to pass through, i.e. the ratio of the spectrum of the spectrum of capable of regulating the second light L2 and sunshine, thus the spectrum adjusting of the second light L2 is become to be similar to the spectrum of sunshine.In other words, as long as change at least part of area of the optical filter 14a, the 14b that allow the first light L1 to pass through, can rapidly the spectrum adjusting of the second light L2 be become to the spectrum of approximate sunshine, thereby reduce the time-histories that detects solar cell/module.In addition, the first light L1 homogenising that the utility model utilizes light uniformization assembly 12 that light source 10 is sent, can make light source 10 to the distance B of irradiated plane 16 be less than 1 meter (preferably, can be less than 0.5 meter), the the first light L1 that makes light source 10 send can not disperse after by optical filter 14a, 14b and light uniformization assembly 12 and make illumination improve, thereby guarantees the measurement of solar cell/module.Moreover the utility model can make the first light L1 fully by light uniformization assembly 12, to strengthen illuminance uniformity.
Please refer to Fig. 2, Fig. 2 is the schematic diagram of the solar simulator 2 of another embodiment of the utility model.Solar simulator 2 is with the main difference part of above-mentioned solar simulator 1, M optical filter 14a in the N of solar simulator 2 optical filter 14a, 14b is arranged at the first side S1 of light uniformization assembly 12 movably, and other N-M optical filter 14b is arranged at the second side S2 of light uniformization assembly 12, wherein the first side S1 is relative with the second side S2.In this embodiment, N=2, and M=1.In other words, in solar simulator 2, only at light source 10 and optical filter 14a between light uniformization assembly 12, can move (as shown in the direction of the arrow A 1 of Fig. 2, A2) along the direction of the course P of vertical the first light L1 relative to light uniformization assembly 12, to change at least part of area of the optical filter 14a that allows the first light L1 to pass through.The first light L1 by optical filter 14a does not directly pass through light uniformization assembly 12.In addition, optical filter 14b can be fixed in the second side S2 of light uniformization assembly 12, or is arranged at movably the second side S2 of light uniformization assembly 12, to increase the flexibility of spectrum adjusting.
Please refer to following table 2, at least part of area of the optical filter 14a that table 2 show to allow the first light L1 to pass through, under different percentage, is the ratio that 350～670 nanometers and 670～880 nanometers measure the spectrum of the spectrum of the second light L2 obtained and sunshine in wave-length coverage.
Table 2
Therefore, by least part of area of the optical filter 14a that change to allow the first light L1 to pass through, i.e. the ratio of the spectrum of the spectrum of capable of regulating the second light L2 and sunshine, thus the spectrum adjusting of the second light L2 is become to be similar to the spectrum of sunshine.In other words, as long as change at least part of area of the optical filter 14a that allows the first light L1 to pass through, can rapidly the spectrum adjusting of the second light L2 be become to the spectrum of approximate sunshine, thereby reduce the time-histories that detects solar cell/module.In addition, the first light L1 homogenising that the utility model utilizes light uniformization assembly 12 that light source 10 is sent, can make light source 10 to the distance B of irradiated plane 16 be less than 1 meter (preferably, can be less than 0.5 meter), the the first light L1 that makes light source 10 send can not disperse after by optical filter 14a and light uniformization assembly 12 and make illumination improve, thereby guarantees the measurement of solar cell/module.Moreover the utility model can make the first light L1 fully by light uniformization assembly 12, to strengthen illuminance uniformity.
Please refer to Fig. 3, Fig. 3 is the schematic diagram of the solar simulator 3 of another embodiment of the utility model.Solar simulator 3 is with the main difference part of above-mentioned solar simulator 1, solar simulator 3 comprises three optical filter 14a, 14b, 14c, wherein two optical filter 14a, 14b are arranged at the first side S1 of light uniformization assembly 12 side by side and movably, and an optical filter 14c is arranged at the second side S2 of light uniformization assembly 12, wherein optical filter 14c can be fixed in the second side S2 of light uniformization assembly 12, or be arranged at movably the second side S2 of light uniformization assembly 12, to increase the flexibility of spectrum adjusting.In addition, the area of each optical filter 14a, 14b, 14c can be more than or equal to the sectional area of light uniformization assembly 12 on the course P of the first light L1, depending on practical application.Movably the action principle of optical filter 14a, 14b as mentioned above, does not repeat them here.In other words, the utility model can utilize the optical filter more than three spectrum adjusting of the second light L2 to be become to the spectrum of approximate sunshine.It should be noted that, the assembly of label identical to those shown in Fig. 1 in Fig. 3, its action principle is roughly the same, does not repeat them here.
Please refer to Fig. 4, Fig. 4 is the schematic diagram of the solar simulator 4 of another embodiment of the utility model.Solar simulator 4 is with the main difference part of above-mentioned solar simulator 3, and movably optical filter 14a, 14b's solar simulator 4 two up and down stagger.Movably the action principle of optical filter 14a, 14b as mentioned above, does not repeat them here.In other words, movably optical filter 14a of the present utility model, 14b can stagger side by side or up and down, become the spectrum of approximate sunshine with the spectrum adjusting by the second light L2.It should be noted that, in Fig. 4, with the assembly of same numeral shown in Fig. 3, its action principle is roughly the same, does not repeat them here.
Please refer to Fig. 5, Fig. 5 is the schematic diagram of the solar simulator 5 of another embodiment of the utility model.Solar simulator 5 is with the main difference part of above-mentioned solar simulator 1, and solar simulator 5 also comprises reflector 18.Reflector 18 is arranged between light source 10 and irradiated plane 16, and light source 10 is arranged in reflector 18 with optical filter 14a, 14b.The utility model can utilize reflector 18 to limit to by light source 10 to the light between irradiated plane 16, the the first light L1 that makes light source 10 send and the second light L2 produced by optical filter 14a, 14b and light uniformization assembly 12 can not disperse and make illumination improve, thereby guarantee the measurement of solar cell/module.
Please refer to Fig. 6, Fig. 6 is the flow chart of the spectrum adjusting method of the utility model one embodiment.Spectrum adjusting method in Fig. 6 can utilize the solar simulator 1,2,3,4,5 in Fig. 1 to Fig. 5 to realize.At first, execution step S10, produce the first light L1 with light source 10.Then, execution step S12, the first light L1 produces the second light L2 by least part of area and the light uniformization assembly 12 of optical filter 14a or 14a, 14b.Finally, execution step S14, the optical filter 14a that change to allow the first light L1 to pass through or at least part of area of 14a, 14b, with the ratio of the spectrum of the spectrum of adjusting the second light L2 and sunshine.It should be noted that, detailed action principle and operating procedure system as mentioned above, do not repeat them here.
In multi-junction solar cells, top layer and bottom are electrically to be connected in series, and top layer is different from the sensitivity of bottom.Top layer is stronger for short wavelength's sensitivity, and bottom is stronger for long wavelength's sensitivity, and when the long wavelength of spectrum is stronger, the electric charge that bottom produces is more, and because top layer and bottom electrically are connected in series, the generated energy that the generated energy of top layer and bottom can be subject to top layer affects.Therefore, multi-junction solar cells has the characteristic that corresponding spectrum generated energy changes.The utility model can, by least part of area that changes the optical filter that allows light to pass through, with the long wavelength in adjustment spectrum and short wavelength's intensity, thereby make the top layer of multi-junction solar cells consistent with the generated energy of bottom.Whereby, the utility model can measure multi-junction solar cells exactly, particularly three-five family's multi-junction solar cells.
Therefore, according to technique scheme, solar simulator of the present utility model at least has following advantages and beneficial effect: the light that the utility model sends the light source of solar simulator is by least part of area of the optical filter between light source and light uniformization assembly, and by least part of area that changes the optical filter that allows light to pass through, the ratio of the spectrum of the light sent with the adjustment light source and the spectrum of sunshine, thus the spectrum adjusting of the light that light source is sent becomes the spectrum of approximate sunshine.In other words, as long as change at least part of area of the optical filter that allows light to pass through, the spectrum adjusting of the light that can rapidly light source be sent becomes the spectrum of approximate sunshine, thereby reduces the time-histories that detects solar cell/module.In addition, the equalizing light rays that the utility model utilizes the light uniformization assembly that light source is sent, and can between light source and irradiated plane, reflector be set, so that light source to irradiated plane the distance be less than 1 meter (preferably, can be less than 0.5 meter), the light that makes light source send can not dispersed after by optical filter and light uniformization assembly and make illumination improve, thereby guarantees the measurement of solar cell/module.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (7)
1. a solar simulator, is characterized in that, described solar simulator comprises:
Light source, in order to produce the first light;
The light uniformization assembly, be arranged on the course of described the first light, in order to by described the first equalizing light rays; And
N optical filter, be arranged on the described course of described the first light, and M optical filter in a described N optical filter is between described light source and described light uniformization assembly, and N is greater than 1 positive integer, and M is the positive integer that is less than or equal to N;
Wherein, described the first light produces the second light by least part of area and the described light uniformization assembly of each described M optical filter, at least part of area of each the described M optical filter that allows described the first light to pass through can be changed, with the ratio of the spectrum of the spectrum of adjusting described the second light and sunshine.
2. solar simulator as claimed in claim 1, it is characterized in that, a described M optical filter can the direction along the described course of vertical described the first light move relative to described light uniformization assembly, to change at least part of area of each the described M optical filter that allows described the first light to pass through.
3. solar simulator as claimed in claim 1, is characterized in that, a described M optical filter side by side.
4. solar simulator as claimed in claim 1, is characterized in that, a described M optical filter staggers up and down.
5. solar simulator as claimed in claim 1, it is characterized in that, a described M optical filter is arranged at the first side of described light uniformization assembly movably, and other N-M optical filter is arranged at the second side of described light uniformization assembly, and described the first side is relative with described the second side.
6. solar simulator as claimed in claim 1, is characterized in that, described light uniformization assembly comprises integration rod.
7. solar simulator as claimed in claim 6, is characterized in that, described light uniformization assembly also comprises diffusion sheet, is arranged between a described M optical filter and described integration rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320369081 CN203349166U (en) | 2013-06-25 | 2013-06-25 | Solar simulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320369081 CN203349166U (en) | 2013-06-25 | 2013-06-25 | Solar simulator |
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| CN203349166U true CN203349166U (en) | 2013-12-18 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104251465A (en) * | 2013-06-25 | 2014-12-31 | 乐利士实业股份有限公司 | Solar simulator and spectrum adjusting method |
| CN108844887A (en) * | 2018-08-02 | 2018-11-20 | 天津航天瑞莱科技有限公司 | A kind of solar radiation system based on visor system and digital frequency conversion power supply |
| CN114963059A (en) * | 2021-12-27 | 2022-08-30 | 广州晶合测控技术有限责任公司 | Large-area sunlight simulation device |
-
2013
- 2013-06-25 CN CN 201320369081 patent/CN203349166U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104251465A (en) * | 2013-06-25 | 2014-12-31 | 乐利士实业股份有限公司 | Solar simulator and spectrum adjusting method |
| CN108844887A (en) * | 2018-08-02 | 2018-11-20 | 天津航天瑞莱科技有限公司 | A kind of solar radiation system based on visor system and digital frequency conversion power supply |
| CN114963059A (en) * | 2021-12-27 | 2022-08-30 | 广州晶合测控技术有限责任公司 | Large-area sunlight simulation device |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131218 Termination date: 20190625 |