CN109785720A - A kind of sun simulation device of multiple light courcess mixing - Google Patents
A kind of sun simulation device of multiple light courcess mixing Download PDFInfo
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- CN109785720A CN109785720A CN201910022987.XA CN201910022987A CN109785720A CN 109785720 A CN109785720 A CN 109785720A CN 201910022987 A CN201910022987 A CN 201910022987A CN 109785720 A CN109785720 A CN 109785720A
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Abstract
A kind of sun simulation device of multiple light courcess mixing, including xenon lamp, xenon lamp condenser system, light integrator, collimating optical system, half-reflecting half mirror, LED array and LED optical system；The simulation light beam of sun simulation device comes from two light sources, it is xenon lamp and LED array respectively, in the effect of half-reflecting half mirror, the directional light that directional light and LED array that xenon lamp issues issue is subjected to conjunction beam, on the basis of big irradiation level, it is superimposed EO-1 hyperion simulation precision.
Description
Technical field
The present invention relates to the sun simulation devices that Solar simulation technology more particularly to a kind of multiple light courcess mix.
Background technique
Sun simulation device be it is a kind of in laboratory environments, the device of simulated solar geometrical characteristic and physical features.Too
Irradiation level, Spectral matching degree, irradiation evenness, irradiation face size and the sun subtended angle of the positive simulator analog sun.According to too
The difference of light source selected by positive simulator, sun simulation device are broadly divided into xenon lamp type, tungsten lamp type and LED type.Light source is as mould
One of an important factor for quasi- solar irradiance and spectrum is always the crucial composition of sun simulation device.
Although traditional xenon lamp and tungsten light source can realize big irradiation level simulation, there are spikes near 800nm for xenon lamp
Cause spectral simulation precision not high, and tungsten lamp long-time service has apparent light decay, also leads to spectral simulation accuracy decline；LED belongs to
In short spectroscopic light source, and power is not high, and when realizing solar spectrum simulation, needing the LED array of a large amount of different-wavebands to mix makes
With, once the damage of time-consuming and laborious and certain wave band LED array, will lead to spectral simulation precision and falls sharply.For solar irradiance and
Technological deficiency exists in the prior art in spectral simulation, improves solar irradiance and spectral simulation precision, it has also become this field skill
An art personnel technical problem anxious to be resolved.
Summary of the invention
Technical purpose of the invention is to overcome in the prior art, and traditional xenon lamp, tungsten lamp and LED light source cannot achieve big irradiation
The technical issues of degree and EO-1 hyperion precision are simulated simultaneously proposes a kind of sun simulation device of multiple light courcess mixing, not only realizes
Big irradiation level simulation, while high-precision spectral simulation.
To realize the above technical purpose, the technical scheme is that
A kind of sun simulation device of multiple light courcess mixing, including xenon lamp, xenon lamp condenser system, light integrator, collimating optics system
System, half-reflecting half mirror, LED array and LED optical system；
Xenon lamp condenser system has the first focus F1With the second focus F2, the first focus F of xenon lamp condenser system1Upper placement xenon lamp,
The light beam that xenon lamp issues converges in the second focus F of xenon lamp condenser system2On, the second focus F2Place light integrator in place；Together
When, light integrator also is located at the position of focal plane of collimating optical system, places half-reflecting half mirror before collimating optical system；Half
The upper surface of anti-pellicle mirror places LED optical system, and the upper surface of LED optical system places LED array；
In the present invention, it is xenon lamp and LED gusts respectively that the simulation light beam of the sun simulation device of multiple light courcess mixing, which comes from two light sources,
Column；Specifically, the light beam that xenon lamp issues converges in the second focus F of xenon lamp condenser system2Place, and light integrator is placed in second
Focus F2Place, it will the light beam that the xenon lamp after poly- issues carries out homogenizing processing, i.e., light beam has been carried out the work integrated after first differential
With, simultaneously as light integrator is in the position of focal plane of collimating optical system, so, it can be collimated again by homogenized light beam
Optical system collimationization, parallel light emergence, and project into half-reflecting half mirror, under the action of half-reflecting half mirror, light beam folding
Turn 90 ° of outgoing；The light beam that LED array issues at parallel light emergence, and is projected into half-reflecting half mirror after LED optical system,
Under the action of half-reflecting half mirror, beam is closed with the collimated light beam that xenon lamp issues, to realize the simulation of sun light beam；
In the present invention, the effect of xenon lamp is to realize the simulation of higher solar irradiance, specifically, 5kw xenon lamp can be selected, realizes 1
The irradiation level of a solar constant is simulated；The effect of LED array is the solar spectrum simulation that matching xenon lamp realizes degree of precision, specifically
, LED array is according to sun standard spectrum, to be equipped with the LED array of corresponding spectral coverage using xenon lamp as substrate spectrum, improved light
The spectral region of spectrum analog precision, LED array is 200nm-2000nm, and the quantity of LED array is no less than 50,000, spectral simulation
Precision is better than 5%；The effect of half-reflecting half mirror is that the light beam that the light beam for issuing xenon lamp is issued with LED array merges, specifically
, it is that the directional light for issuing directional light and LED array that xenon lamp issues carries out conjunction beam, on the basis of big irradiation level, superposition
EO-1 hyperion simulation precision.
In conclusion composition of the invention is ingenious, and it is compact-sized, realize the sun spoke of big irradiation level, EO-1 hyperion precision
According to simulation.
Detailed description of the invention
Fig. 1 is a kind of composition schematic diagram of the sun simulation device of multiple light courcess mixing of the present invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention,
Technical scheme in the embodiment of the invention is clearly and completely described.It should be noted that in the drawings or instructions,
Similar or identical element all uses identical appended drawing reference.
Fig. 1 is a kind of composition schematic diagram of the sun simulation device of multiple light courcess mixing of the present invention, mainly by xenon lamp 2, xenon lamp
Condenser system 1, light integrator 3, collimating optical system 4, half-reflecting half mirror 5, LED array 7 and LED optical system 6 form.
Xenon lamp condenser system 1 has the first focus F1With the second focus F2, the first focus F of xenon lamp condenser system 11On put
Xenon lamp 2 is set, the light beam that xenon lamp 2 issues converges in the second focus F of xenon lamp condenser system 12On, the second focus F2Place optics in place
Integrator 3；Meanwhile light integrator 3 also is located at the position of focal plane of collimating optical system 4, places before collimating optical system 4
Half-reflecting half mirror 5；The upper surface of half-reflecting half mirror 5 places LED optical system 6, and the upper surface of LED optical system 6 places LED array 7；
The simulation light beam of the sun simulation device of multiple light courcess mixing comes from two light sources, is xenon lamp 2 and LED array 7 respectively；Specifically
, the light beam that xenon lamp 2 issues converges in the second focus F of xenon lamp condenser system 12Place, and light integrator 3 is placed in the second focus
F2Place, it will the light beam that the xenon lamp 2 after poly- issues carries out homogenizing processing, i.e., light beam has been carried out the effect integrated after first differential,
Simultaneously as light integrator 3 is in the position of focal plane of collimating optical system 4, so, light can be collimated by homogenized light beam again
4 collimationization of system, parallel light emergence, and project into half-reflecting half mirror 5, under the action of half-reflecting half mirror 5, light beam folding
Turn 90 ° of outgoing；The light beam that LED array 7 issues at parallel light emergence, and is projected into half-reflection and half-transmission after LED optical system 6
Mirror 5 closes beam with the collimated light beam that xenon lamp 2 issues, to realize the simulation of the sun light beam under the action of half-reflecting half mirror 5；
The effect of xenon lamp 2 is to realize the simulation of higher solar irradiance, specifically, 5kw xenon lamp 2 can be selected, realizes that 1 sun is normal
Several irradiation level simulations；The effect of LED array 7 is the solar spectrum simulation that matching xenon lamp 2 realizes degree of precision, specifically, LED
Array 7 is according to sun standard spectrum, to be equipped with the LED array 7 of corresponding spectral coverage using xenon lamp 2 as substrate spectrum, improved spectrum mould
Quasi- precision, the spectral region of LED array 7 are 200nm-2000nm, and the quantity of LED array 7 is no less than 50,000, spectral simulation essence
Degree is better than 5%；The effect of half-reflecting half mirror 5 is that the light beam for issuing the light beam that xenon lamp 2 issues with LED array 7 merges, tool
Body, be that the directional light that xenon lamp 2 issues and the directional light that LED array 7 issues are carried out conjunction beam, on the basis of big irradiation level,
It has been superimposed EO-1 hyperion simulation precision.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still can be with
It modifies to technical solution documented by previous embodiment or equivalent replacement of some of the technical features；And these
It modifies or replaces, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (2)
1. a kind of sun simulation device of multiple light courcess mixing characterized by comprising xenon lamp, xenon lamp condenser system, optical integration
Device, collimating optical system, half-reflecting half mirror, LED array and LED optical system；
The xenon lamp condenser system has the first focus F1With the second focus F2, first focus of the xenon lamp condenser system
F1Upper to place the xenon lamp, the light beam that the xenon lamp issues converges in the second focus F of the xenon lamp condenser system2On, institute
State the second focus F2Place the light integrator in place；Meanwhile the light integrator also is located at the collimating optical system
Position of focal plane places the half-reflecting half mirror before the collimating optical system；The upper surface of described half-reflecting half mirror places institute
LED optical system is stated, the upper surface of described LED optical system places the LED array.
2. a kind of sun simulation device of multiple light courcess mixing according to claim 1, which is characterized in that further include:
The simulation light beam of the sun simulation device of multiple light courcess mixing comes from two light sources, is the xenon lamp respectively and described
LED array；
The light beam that the xenon lamp issues converges in the second focus F of the xenon lamp condenser system2Place, and the optical integration
Device is placed in the second focus F2Place, it will the light beam that the xenon lamp after poly- issues carries out homogenizing processing；
The light integrator is in the position of focal plane of the collimating optical system, by homogenized light beam again by the collimating optics
System collimationization, and project into the half-reflecting half mirror；
Under the action of the half-reflecting half mirror, light beam is turned back 90 ° and is emitted；
The light beam that the LED array issues is after the LED optical system, at parallel light emergence, and projects anti-into described half
Pellicle mirror closes beam with the collimated light beam that the xenon lamp issues under the action of the half-reflecting half mirror.
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| CN201910022987.XA CN109785720A (en) | 2019-01-10 | 2019-01-10 | A kind of sun simulation device of multiple light courcess mixing |
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| CN201910022987.XA CN109785720A (en) | 2019-01-10 | 2019-01-10 | A kind of sun simulation device of multiple light courcess mixing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111724668A (en) * | 2020-07-24 | 2020-09-29 | 长春理工大学 | Optical axis alignment method and device of multi-light-source mixed solar simulation device |
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