CN105744688A - Plane light source for solar simulator and manufacturing method of plane light source - Google Patents
Plane light source for solar simulator and manufacturing method of plane light source Download PDFInfo
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- CN105744688A CN105744688A CN201610104124.3A CN201610104124A CN105744688A CN 105744688 A CN105744688 A CN 105744688A CN 201610104124 A CN201610104124 A CN 201610104124A CN 105744688 A CN105744688 A CN 105744688A
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- China
- Prior art keywords
- light source
- carbon nano
- planar light
- tube film
- solar simulator
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Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B33/00—Electroluminescent light sources
- H05B33/12—Light sources with substantially two-dimensional radiating surfaces
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B33/00—Electroluminescent light sources
- H05B33/12—Light sources with substantially two-dimensional radiating surfaces
- H05B33/14—Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of the electroluminescent material, or by the simultaneous addition of the electroluminescent material in or onto the light source
Abstract
The invention discloses a plane light source for a solar simulator. The plane light source comprises a positive electrode, a negative electrode and a carbon nano tube film, wherein the positive electrode and the negative electrode are arranged from top to bottom in parallel; the carbon nano tube film is arranged between the positive electrode and the negative electrode in a tensioning manner; the carbon nano tube film is drawn by a super-order carbon nano tube array through a wire drawing method and is obtained through a multi-layer splicing and superposing method; and the area of the carbon nano tube film is more than 10cm*2cm. The invention further provides a manufacturing method of the plane light source and an application of the carbon nano tube film as the plane light source for the solar simulator. According to the plane light source, a 100V voltage is exerted under the vacuum of 1*10<-3>Pa; and the measured irradiance reaches 1500W/m<2> at the position which is 1cm from the light source.
Description
Technical field
The invention belongs to spacecraft space environmental simulation test technical field, specifically, the present invention relates to
A kind of solar simulator light source and the method manufacturing this light source.
Background technology
Solar simulator is the equipment of virtual space solar irradiation environment, is mainly used in the thermal balance of spacecraft
Test, thermal control coating attribute testing and the degradation of material, heat balance test is spacecraft development process
In one of important step, wherein, solar simulator plays a significant role in spacecraft heat balance test,
It it is the important infrastructure during spacecraft is developed.And solar simulator most important functions to realize plane exactly equal
Even sun simulating light source.Uniformity is one of most important index of solar simulator.Solar simulator at present
Mainly by xenon lamp as light source, and optical system composition.One of Main Function of optical system is exactly
The scattered light sent by light source becomes directional light, forms uniform directional light, then is irradiated in subjects.
This technology is high to optical path requirements, is difficult to processing, and technical difficulty is big, and domestic technology of preparing is also unable to reach should
With requiring.
CNT is preferable black matrix, and under power on condition, CNT temperature can be increased to moment
More than 2000K, and throw out powerful beams.2002, Jiang et al. finds first can be from super suitable carbon
Nano-tube array is extracted out carbon nano-tube filament (Nature, 419 (2002): 801).Currently with super suitable
CNT is extracted out carbon nano-tube filament technology ripe (Chinese science: physics's mechanics astronomy
Volume 41 the 4th phase: 390-403 in 2011).CVD method is utilized to grow super suitable CNT
Array, is then bonded at array limit on pole, by pole away from array, and can be by CNT
Extract from array, owing to carbon nano-tube filament quantity reaches, macroscopically form carbon nano-tube film.See Fig. 1.
Fig. 1 is by the carbon nano-tube film extracted out in super suitable carbon nano pipe array in prior art.
Additionally, carbon nano-tube film prepared by the additive methods such as carbon nanotube paper can also be applied to the system of light source
Standby.
Research shows, CNT be preferable black matrix material (Nano Lett., 2008,8,446-451；
PNAS, 2009,106,6044-6047), there is high thermal emissivity rate.CNT is in energising feelings
Light (Nature, 419 (2002): 801) can be launched under condition.This illustrates under vacuum, carbon nanometer
Tube resistor heat mainly radiate with thermal-radiating form.At high temperature remain to due to CNT keep steady
Fixed, therefore, it can utilize CNT as solar simulator, the heat radiation of simulated solar.This technology
There is simple in construction, it is easy to implementing, radiant intensity is adjustable, the advantages such as radiant energy density is uniform.For
Development Chinese Space environmental simulation equipment and technology level has effect greatly.
Summary of the invention
In consideration of it, it is an object of the invention to provide a kind of new solar simulator planar light source.This plane
Light source utilizes the carbon nano-tube material characteristics of luminescence in the energized state, as the planar light of solar simulator
Source, thus achieve the large scale requirement of solar simulator planar light source neatly, simultaneously also can be well
Solve the homogeneity question of planar light source.
Additionally, present invention also proposes the manufacture method of a kind of above-mentioned solar simulator planar light source, the party
Method is simple, it is possible to prepare the solar simulator planar light source of high uniformity.Meanwhile, the present invention is also
Propose the application in solar simulator planar light source of a kind of carbon nano-tube film.
Present invention employs following technical scheme:
A kind of solar simulator planar light source, including the anelectrode be arrangeding in parallel up and down and negative electrode and
The carbon nano-tube film being tightly arranged between, carbon nano-tube film is by surpassing order carbon nano pipe array through reeling off raw silk from cocoons
Method pull out and pass through multi-layer spliced and superposition method obtain, the area of carbon nano-tube film be 10cm ×
More than 2cm.
Wherein, the two ends of anelectrode and negative electrode are fixedly installed on support by insulating part respectively.
Wherein, anelectrode and negative electrode are electrically connected with power supply respectively.
Wherein, anelectrode and negative electrode be shaped as annular so that planar light source is formed cylindric.
Wherein, anelectrode and negative electrode be shaped as linear so that planar light source forms rectangle.
Wherein, planar light source area with itself and test exemplar distance and test exemplar size relevant,
Make to test the exemplar subtended angle to planar light source more than 40 °.
The manufacture method of a kind of solar simulator planar light source, comprises the steps:
1) carbon nano-tube film is prepared；
2) planar light source area as required, the method utilizing multi-layer spliced and superposition, it is thus achieved that big face
Long-pending carbon nano-tube film；
3) utilize upper and lower two electrode holders to clamp carbon nano-tube film two ends, make carbon nano-tube film be clamped in two
Between electrode holder, two electrode holders electrically connect with power supply respectively thus obtain planar light source.
Wherein, two electrode holders are annular, so that planar light source is cylindric.
Wherein, large area refers to that the area of carbon nano-tube film is 10cm × more than 2cm.
In step 1) in, by super order carbon nano pipe array, utilize method of reeling off raw silk from cocoons, pull straight out carbon and receive
Mitron film.
Wherein, planar light source area with itself and test exemplar distance and test exemplar size relevant,
Make to test the exemplar subtended angle to planar light source more than 40 °.
The application in solar simulator planar light source of a kind of carbon nano-tube film, is arranged CNT tensioning
Between electrodes and as the illuminating source in solar simulator.
Wherein, planar light source area with itself and test exemplar distance and test exemplar size relevant,
Make to test the exemplar subtended angle to planar light source more than 40 °.
The present invention is reeled off raw silk from cocoons pull-out carbon nano-tube film by super suitable carbon nano pipe array, the long 100cm of film, wide 2cm
(maturation process), then film is overlapped, form long 10cm, wide 2cm planar light source, two ends profit
Fix with positive and negative electrode (tinsel), put into vacuum chamber, and connect power supply on the metal filament.Very
Empty 1 × 10-3Under Pa, apply 100V voltage.At distance light source 1cm, record irradiance and reach 1500W/m2
(heat balance test solar simulator requires 1367W/cm2)。
Accompanying drawing explanation
Fig. 1 is by the carbon nano-tube film extracted out in super suitable carbon nano pipe array in prior art.
Fig. 2 is the flat light source structure schematic diagram for solar simulator of the present invention.
In figure: 1-carbon nano-tube film；2-anelectrode；3-negative electrode；4-support.
Fig. 3 be an embodiment of the present invention plane light source state under with the putting position of tested sample
Schematic diagram.
In figure, the square light source of 2.1-；2.2-testpieces；2.3-subtended angle
Fig. 4 be another embodiment of the present invention cylindrical light source state under with tested sample put position
Put schematic diagram.
In figure, 3.1-cylindrical light source.
Detailed description of the invention
Being further described the planar light source of the solar simulator of the present invention below in conjunction with the accompanying drawings, this is said
Bright it is merely exemplary, it is no intended to limit the scope of the invention.
Fig. 2 is the flat light source structure schematic diagram of the solar simulator of the present invention, wherein, this solar simulation
Device planar light source, is arranged on both including the anelectrode 2 be arrangeding in parallel up and down and negative electrode 3 and tensioning
Between carbon nano-tube film 1, carbon nano-tube film 1 by super order carbon nano pipe array through reel off raw silk from cocoons method pull-out
And obtained by the method for multi-layer spliced and superposition, the two ends of anelectrode 2 and negative electrode 3 exceed carbon nanometer
The part of periosteum 1 is respectively fixedly disposed on support 4, and anelectrode 2 and negative electrode 3 enter with power supply respectively
Row electrical connection, to apply different voltage, is suitable for the luminosity requirement under different simulated environment.Plane
Light source area with itself and test exemplar distance and test exemplar size relevant, make test exemplar arrive
The subtended angle of planar light source is more than 40 °, and the such as area of carbon nano-tube film 1 makes 10cm × 2cm.
In a detailed description of the invention, planar light source is plane, for example, see Fig. 3；Implement at another
Mode, planar light source is cylindric, for example, see Fig. 4, can be simply by changing upper/lower electrode
Shape change the shape of light source, the form that implements of positive and negative electrode has tinsel, electrode holder etc..
See under the rectangular planes shape light source state that Fig. 3, Fig. 3 show an embodiment of the present invention
Putting position schematic diagram with tested sample.Wherein, the subtended angle of plane light source distance tested sample is
50 degree.Fig. 4 exemplified with under the cylindrical light source state of another embodiment of the present invention with tested sample
Putting position schematic diagram.
The manufacture process of the planar light source of the solar simulator of the present invention introduced below.
First, carbon nano-tube film prepared by the method for reeling off raw silk from cocoons, or carbon nanometer prepared by additive method are utilized
Periosteum.
Secondly, light source size as required, splices carbon nano-tube film, is fixed on two electrodes
On.Electrode is then attached on a support, and support remains electrically isolated from electrode.Carbon nano-tube film big
The subtended angle that little (i.e. light source size) sample to be ensured becomes to carbon nano-tube film is more than 40 °.
3rd, light source is put into test vacuum chamber.Carbon nanometer film can be placed on the one of test exemplar
Limit, as shown in Figure 3.Carbon nano-tube film can also be placed around sample, form cylindrical light source, as
Shown in Fig. 4, so put so that area of the sample irradiance is more uniformly distributed.
4th, by electrode, carbon nano-tube film is applied voltage.Voltage value is at 1V 1000V.Different
Area carbon nanotube films (light source) resistance value is different, accordingly, it would be desirable to apply different voltage, protects
The irradiance of the light that card light source sends meets test requirements document.
So, utilize carbon nano-tube film, a kind of sun mould in spacecraft heat balance test can be developed
Intend device planar light source method.
Although the detailed description of the invention to the present invention gives detailed description and explanation above, but should refer to
Bright, we can carry out various equivalence according to the conception of the present invention to above-mentioned embodiment and change and repair
Change, function produced by it still without departing from description and accompanying drawing contained spiritual time, all should this
Within the protection domain of invention.
Claims (8)
1. a solar simulator planar light source, including the anelectrode be arrangeding in parallel up and down and negative electrode with
And the carbon nano-tube film that tension is arranged between, carbon nano-tube film is by surpassing order carbon nano pipe array warp
The method of reeling off raw silk from cocoons pulls out and passes through the method for multi-layer spliced and superposition and obtains, and the area of carbon nano-tube film is 10cm
× more than 2cm.
2. solar simulator planar light source as claimed in claim 1, wherein, anelectrode and negative electrode
Two ends be fixedly installed on support by insulating part respectively.
3. solar simulator planar light source as claimed in claim 1, wherein, anelectrode and negative electrode
It is electrically connected with power supply respectively.
4. the solar simulator planar light source as described in any one of claim 1-3, wherein, anelectrode
Keeping parallelism is answered with negative electrode.
5. the solar simulator planar light source as described in any one of claim 1-3, wherein, planar light
Source area with itself and test exemplar distance and test exemplar size relevant, make test exemplar to put down
The subtended angle of area source is more than 40 °.
6. a manufacture method for the solar simulator planar light source described in any one of claim 1-5,
Comprise the steps:
1) carbon nano-tube film is prepared；
2) planar light source area as required, the method utilizing multi-layer spliced and superposition, it is thus achieved that big face
Long-pending carbon nano-tube film；
3) utilize upper and lower two electrodes to fix carbon nano-tube film two ends, make carbon nano-tube film be clamped in two
Between electrode holder, two electrodes electrically connect with power supply respectively thus obtain planar light source.
7. a carbon nano-tube film application in solar simulator planar light source, by CNT tensioning
Arrange between electrodes and as the illuminating source in solar simulator.
Apply the most as claimed in claim 7, wherein, planar light source area with itself and test exemplar
Distance and test exemplar size are relevant, make to test the exemplar subtended angle to planar light source more than 40 °.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610104124.3A CN105744688A (en) | 2016-02-25 | 2016-02-25 | Plane light source for solar simulator and manufacturing method of plane light source |
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| CN201610104124.3A CN105744688A (en) | 2016-02-25 | 2016-02-25 | Plane light source for solar simulator and manufacturing method of plane light source |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106770444A (en) * | 2016-12-29 | 2017-05-31 | 中国科学院西安光学精密机械研究所 | Horizontal solar telescope heat analysis solar sources analogy method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101400198A (en) * | 2007-09-28 | 2009-04-01 | 清华大学 | Surface heating light source, preparation thereof and method for heat object application |
| CN102338323A (en) * | 2010-07-21 | 2012-02-01 | 上海太阳能工程技术研究中心有限公司 | Steady state solar simulator |
| US20150303020A1 (en) * | 2007-10-10 | 2015-10-22 | Tsinghua University | Method for making sheet-shaped heat and light source and method for heating object adopting the same |
-
2016
- 2016-02-25 CN CN201610104124.3A patent/CN105744688A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101400198A (en) * | 2007-09-28 | 2009-04-01 | 清华大学 | Surface heating light source, preparation thereof and method for heat object application |
| US20150303020A1 (en) * | 2007-10-10 | 2015-10-22 | Tsinghua University | Method for making sheet-shaped heat and light source and method for heating object adopting the same |
| CN102338323A (en) * | 2010-07-21 | 2012-02-01 | 上海太阳能工程技术研究中心有限公司 | Steady state solar simulator |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106770444A (en) * | 2016-12-29 | 2017-05-31 | 中国科学院西安光学精密机械研究所 | Horizontal solar telescope heat analysis solar sources analogy method |
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Application publication date: 20160706 |