CN106018249B - A kind of test macro for nearly solar space thermally protective materials - Google Patents
A kind of test macro for nearly solar space thermally protective materials Download PDFInfo
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- CN106018249B CN106018249B CN201610338708.7A CN201610338708A CN106018249B CN 106018249 B CN106018249 B CN 106018249B CN 201610338708 A CN201610338708 A CN 201610338708A CN 106018249 B CN106018249 B CN 106018249B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
- G01N17/004—Investigating resistance of materials to the weather, to corrosion, or to light to light
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Abstract
The invention discloses a kind of test macro for nearly solar space thermally protective materials, the test macro includes high temperature heat radiation source and environment simulator；Wherein, the high temperature heat radiation source is made of the independent optically focused xenon source of several groups, and realizes that optically focused xenon source described in energy centralization is mounted on turntable by Fresnel lens, can, rotation mobile with the turntable；The environment simulator includes thermal vacuum simulation container, vacuum safeguards system, low temperature safeguards system, control and monitoring system and auxiliary corollary system, the environment simulator is used to simulate the hot-cool environment of vacuum space, and can vacuum degree to space and temperature effectively controlled, monitored and recorded.The test macro of the application, which is realized, carries out in-orbit simulation test to the material of sunblazer under ground environment.
Description
Technical field
The present invention relates to a kind of test macros for nearly solar space thermally protective materials.
Background technique
When close to the sun, every square metre needs to bear the heat radiation more than megawatt sunblazer, to the resistance to of material
High temperature requirement is very high.In order to test under ground environment material, need to establish corresponding test macro.
Summary of the invention
Aiming at the problems existing in the prior art, the purpose of the present invention is to provide one kind to be used for nearly solar space thermal protection
The test macro of material, which, which realizes, carries out in-orbit simulation survey to the material of sunblazer under ground environment
Examination.
To achieve the above object, the invention adopts the following technical scheme:
A kind of test macro for nearly solar space thermally protective materials, the test macro include high temperature heat radiation source and
Environment simulator；Wherein, the high temperature heat radiation source is made of the independent optically focused xenon source of several groups, the optically focused xenon lamp
Source is mounted on turntable, can, rotation mobile with the turntable；The environment simulator includes that thermal vacuum simulation is held
Device, vacuum safeguards system, low temperature safeguards system, control and monitoring system and auxiliary corollary system, the environment simulator are used for mould
The hot-cool environment of quasi- vacuum space, and can vacuum degree to space and temperature effectively controlled, monitored and recorded.
Further, the optically focused xenon source is equipped with parabolic collection mirror, and the focal length of the parabolic collection mirror is
59.68mm。
Further, the power of xenon lamp is 3.3KW in the optically focused xenon source.
Further, the high temperature heat radiation source is made of five groups of independent optically focused xenon sources；The optically focused xenon source
It is mounted on the installation site and adjustable angle of the turntable, five groups of optically focused xenon sources can converge in same hot spot.
Further, the light source of the optically focused xenon source is super pressure spherical shape xenon long-arc lamp, and the super pressure is spherical
The spectrum of xenon long-arc lamp is from ultraviolet, visible infrared continuous spectrum.
Further, the front end of the optically focused xenon source is provided with Fresnel lens；The rear end of the optically focused xenon source
It is provided with blower.
Further, use a molecular pump for main pump in the vacuum safeguards system, mechanical pump does prime and forepump；With
Vacuum degree in the guarantee thermal vacuum simulation container；Several liquid nitrogen containers are provided in the low temperature safeguards system, are passed through
Liquid nitrogen refrigerating is to obtain low temperature environment.
Further, the control and monitoring system is jointly controlled using industrial personal computer and PLC.
Further, it is Φ 350mm that the side of the thermal vacuum simulation container, which is provided with clear aperture, with a thickness of the glass of 20mm
Glass window, the material of the windowpane are quartz glass.
Further, cooling circulating water machine and air-cooler are provided in the auxiliary corollary system；Wherein, the cooling cycle
Water dispenser is used to be cooled down for the molecular pump in the vacuum safeguards system, and the air-cooler is for cooling down the thermal vacuum simulation
The windowpane of container.
The application has following advantageous effects:
The test macro of the application, which is realized, carries out in-orbit simulation test to the material of sunblazer under ground environment.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of optically focused xenon source of the invention；
Fig. 2 is the attachment structure schematic diagram of optically focused xenon source and turntable；
Fig. 3 is the structural block diagram of environment simulator of the invention.
Specific embodiment
In the following, being made a more thorough explanation with reference to attached drawing to the present invention, shown in the drawings of exemplary implementation of the invention
Example.However, the present invention can be presented as a variety of different forms, it is not construed as the exemplary implementation for being confined to describe here
Example.And these embodiments are to provide, to keep the present invention full and complete, and it will fully convey the scope of the invention to this
The those of ordinary skill in field.
As shown in figure 1-3, this application provides a kind of test macro for nearly solar space thermally protective materials, the surveys
Test system includes high temperature heat radiation source and environment simulator；Wherein, the high temperature heat radiation source is by the independent optically focused xenon of several groups
Lamp source 1 forms, and the optically focused xenon source 1 is mounted on turntable 5, is equipped with several in the lower end of turntable 5
Universal wheel 6, so, optically focused xenon source 1 can, rotation mobile with turntable 5；The environment simulator includes that thermal vacuum simulation is held
Device 7, vacuum safeguards system 8, low temperature safeguards system 9, control and monitoring system 10 and auxiliary corollary system 11, the environment simulator
For simulating the hot-cool environment of vacuum space, and can vacuum degree to space and temperature effectively controlled, monitored and recorded.
The optically focused xenon source 1 of the application is equipped with parabolic collection mirror 2, and the focal length of the parabolic collection mirror 2 is
59.68mm.The power of xenon lamp is 3.3KW in optically focused xenon source 1.High temperature heat radiation source is by five groups of independent optically focused xenon sources
1 composition；The optically focused xenon source 1 is mounted on 5 installation site and adjustable angle on the turntable, five groups of optically focused xenon lamps
Source 1 can converge in same hot spot.Spot size can be adjusted by distance, and hot spot power changes correspondingly；Five groups of xenon lamps converge
Poly- minimum diameter hot spot is 50~φ of φ 60mm, ideally the radiosity at minimum light spot up to 5.8~
8.4MW/m2, efficiency is about 50%, then actual emanations power density is up to 3~4MW/m2, and can be adjusted by spot size
Section, can satisfy the radiant heat flux about 4MW/m at sun 4Rs2Needs, can achieve the radiation of 2200~3000Sun
Heat flow, actual facula general power are about 8kW.
Preferably, the light source 3 of the optically focused xenon source 1 of the application selects super pressure spherical shape xenon long-arc lamp to do light source.Its
Feature is that illuminator size is small, easy that source of parallel light easy to use is processed by optical system in dotted, brightness height.Xenon lamp
Spectrum be from ultraviolet, visible infrared continuous spectrum, it is extremely similar to solar spectrum in visual field, and radiate luminous intensity
It is adjustable.For parabolic collection mirror 2 using high reflectance reflector (reflectivity is greater than 90%), Cheng Guangxue camber angle can be by point light source
It is reflected into the sending of less parallel light.
The front end of optically focused xenon source 1 is provided with Fresnel lens 4, passes through the further focused energy of Fresnel lens 4；Institute
The rear end for stating optically focused xenon source 1 is provided with blower (not shown).
Use a molecular pump 12 for main pump in vacuum safeguards system 8, mechanical pump 13 does prime and forepump；For guaranteeing
Vacuum degree in the thermal vacuum simulation container 7；Several liquid nitrogen containers are provided in the low temperature safeguards system 9, pass through liquid nitrogen
Refrigeration is to obtain low temperature environment.By flowing of the liquid nitrogen in the copper shell inside environment simulator, obtain close to 100K's
Low temperature.
Control and monitoring system 10 is jointly controlled using industrial personal computer and PLC.Industrial personal computer display interface is clearly understandable, PLC control
Accurately and reliably, fault diagnosis is simple.In addition it can be required according to the technique of user, different temperature curve formulas is made, is deposited
It stores up in industrial personal computer, in test selective calling.
It is Φ 350mm that the side of thermal vacuum simulation container 7, which is provided with clear aperture, with a thickness of the windowpane 14 of 20mm, institute
The material for stating windowpane 14 is quartz glass.The quartz glass light transmittance that the application selects is higher than 90%, and limit heatproof is up to 1200
℃。
Cooling circulating water machine 15 and air-cooler 16 are provided in auxiliary corollary system 11；Wherein, the cooling circulating water machine
15 for the molecular pump 12 in the vacuum safeguards system 8 for being cooled down, and the air-cooler 16 is for cooling down the thermal vacuum
Simulate the windowpane 14 of container 7.
It thanks you: thanking and participate in discussion in the invention patent work and the full complement of design and concerned countries nature section
The support of NSF National Science Foundation project (11273036,11303007).
It is described above simply to illustrate that of the invention, it is understood that the present invention is not limited to the above embodiments, meets
The various variants of inventive concept are within the scope of the present invention.
Claims (5)
1. a kind of test macro for nearly solar space thermally protective materials, which is characterized in that the test macro includes high temperature
Infrared source and environment simulator；Wherein, the high temperature heat radiation source is made of five groups of independent optically focused xenon sources；It is described poly-
Light xenon source is mounted on turntable, can, rotation mobile with the turntable；The environment simulator includes thermal vacuum
Simulate container, vacuum safeguards system, low temperature safeguards system, control and monitoring system and auxiliary corollary system, the environment simulator
For simulating the hot-cool environment of vacuum space, and can vacuum degree to space and temperature effectively controlled, monitored and recorded；
The optically focused xenon source is equipped with parabolic collection mirror, and the focal length of the parabolic collection mirror is 59.68mm；
The power of xenon lamp is 3.3KW in the optically focused xenon source；
The optically focused xenon source is mounted on the installation site and adjustable angle of the turntable, five groups of optically focused xenon source convergences
Into same hot spot；
The light source of the optically focused xenon source is super pressure spherical shape xenon long-arc lamp, the light of the super pressure spherical shape xenon long-arc lamp
Spectrum is from ultraviolet, visible infrared continuous spectrum；
The front end of the optically focused xenon source is provided with Fresnel lens；The rear end of the optically focused xenon source is provided with blower.
2. the test macro according to claim 1 for nearly solar space thermally protective materials, which is characterized in that described
Use a molecular pump for main pump in vacuum safeguards system, mechanical pump does prime and forepump；For guaranteeing the thermal vacuum mould
Vacuum degree in quasi- container；Several liquid nitrogen containers are provided in the low temperature safeguards system, by liquid nitrogen refrigerating to obtain low temperature
Environment.
3. the test macro according to claim 1 for nearly solar space thermally protective materials, which is characterized in that described
Control and monitoring system is jointly controlled using industrial personal computer and PLC.
4. the test macro according to claim 1 for nearly solar space thermally protective materials, which is characterized in that described
It is Φ 350mm that the side of thermal vacuum simulation container, which is provided with clear aperture, with a thickness of the windowpane of 20mm, the material of the windowpane
Material is quartz glass.
5. the test macro according to claim 1 for nearly solar space thermally protective materials, which is characterized in that described
Cooling circulating water machine and air-cooler are provided in auxiliary corollary system；Wherein, the cooling circulating water machine is used to be the vacuum
Molecular pump in safeguards system is cooled down, and the air-cooler is used to cool down the windowpane of the thermal vacuum simulation container.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610338708.7A CN106018249B (en) | 2016-05-20 | 2016-05-20 | A kind of test macro for nearly solar space thermally protective materials |
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| CN201610338708.7A CN106018249B (en) | 2016-05-20 | 2016-05-20 | A kind of test macro for nearly solar space thermally protective materials |
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| CN106018249A CN106018249A (en) | 2016-10-12 |
| CN106018249B true CN106018249B (en) | 2019-03-22 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108333035B (en) * | 2017-10-20 | 2019-02-15 | 北京空天技术研究所 | A kind of low-temperature characteristics analysis method and system for thermal protection structure |
| CN108088869B (en) * | 2017-11-30 | 2021-03-09 | 中国航空工业集团公司沈阳飞机设计研究所 | Heat insulation performance test device of thermal protection system |
| CN109190767A (en) * | 2018-07-27 | 2019-01-11 | 东华大学 | A kind of inflaming retarding fabric ageing of performance prediction technique based on machine learning |
| CN109916950A (en) * | 2019-04-01 | 2019-06-21 | 南京理工大学 | A kind of temperature control performance assessment device of heat sink material |
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| 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 |
| CN103744182A (en) * | 2013-11-19 | 2014-04-23 | 北京航天长征飞行器研究所 | Large-scale light spot radiating type solar simulator optical system |
| CN104535482A (en) * | 2014-12-04 | 2015-04-22 | 上海卫星装备研究所 | Space ultraviolet irradiation test device |
| CN104749089A (en) * | 2015-02-06 | 2015-07-01 | 北京环境特性研究所 | Solar simulator adopting heat-sink-free collimating mirror |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI346199B (en) * | 2007-11-30 | 2011-08-01 | Ind Tech Res Inst | Radiation apparatus with capability of preventing heat convection |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN103744182A (en) * | 2013-11-19 | 2014-04-23 | 北京航天长征飞行器研究所 | Large-scale light spot radiating type solar simulator optical system |
| CN104535482A (en) * | 2014-12-04 | 2015-04-22 | 上海卫星装备研究所 | Space ultraviolet irradiation test device |
| CN104749089A (en) * | 2015-02-06 | 2015-07-01 | 北京环境特性研究所 | Solar simulator adopting heat-sink-free collimating mirror |
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| CB03 | Change of inventor or designer information |
Inventor after: Wu Mingchang Inventor after: Xue Jianxing Inventor after: Sun Xiao Inventor after: Liu Chao Inventor after: Zhou Tong Inventor after: Shao Ying Inventor after: Gao Guibin Inventor after: Chen Zhiyuan Inventor after: Gu Xuedong Inventor after: Zhu Ming Inventor after: Zhao Qing Inventor after: Li Rong Inventor before: Wu Mingchang Inventor before: Xue Jianxing Inventor before: Sun Xiao Inventor before: Zhou Tong Inventor before: Shao Ying Inventor before: Gao Guibin Inventor before: Chen Zhiyuan Inventor before: Gu Xuedong Inventor before: Zhu Ming Inventor before: Zhao Qing Inventor before: Li Rong |
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Granted publication date: 20190322 |