Design and implementation of active thermal control system for ultraviolet imaging spectrometer

被引：0
|
作者：
Wang, Yong-Cheng [1 ]
机构：
[1] Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun,130033, China
来源：
Yuhang Xuebao/Journal of Astronautics | 2014年 / 35卷 / 08期
关键词：
In order to ensure a proper averaged temperature and a temperature gradient of an ultraviolet imaging spectrometer; the imaging spectrometer situated in space environment is analyzed. According to its optic-mechanical-electronic characteristics; both active thermal control scheme and passive thermal control scheme for imaging spectrometer are designed. Firstly; the thermal design guidelines of the imaging spectrometers are summarized; and both active thermal control scheme and passive thermal control scheme are introduced. The worst-case analysis method is used to analyze temperature measurement accuracy of temperature measurement circuit of the active thermal control system. Then according to the demand for the active thermal control scheme; both hardware and control strategy of the active thermal control system are designed and realized. Finally; a verification experiment of the active thermal control system is made. Experimental and analysis results indicate that the temperature measurement accuracy of the system is better than ≤±0.5℃; and the active thermal control system can ensure 13℃~18℃ averaged temperature of ultraviolet limb spectrometer and 8℃~18℃ averaged temperature of ultraviolet ring imager; thus meeting the thermal control system requirements. In conclusion; the active thermal control scheme is feasible and reasonable; and it can meet the requirement for high reliability;
D O I：
10.3873/j.issn.1000-1328.2014.08.016
中图分类号：
学科分类号：
摘要：
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页码：977 / 984
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