基于温度水平的空间相机主动热控系统

于涛; 王永成; 代霜; 孙亮; 宋克非

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基于温度水平的空间相机主动热控系统

于涛, 王永成, 代霜, 孙亮, 宋克非

文章导航 > 红外与激光工程 > 2015 > 44(1): 249-253

于涛, 王永成, 代霜, 孙亮, 宋克非. 基于温度水平的空间相机主动热控系统[J]. 红外与激光工程, 2015, 44(1): 249-253.

引用本文:

于涛, 王永成, 代霜, 孙亮, 宋克非. 基于温度水平的空间相机主动热控系统[J]. 红外与激光工程, 2015, 44(1): 249-253.

Yu Tao, Wang Yongcheng, Dai Shuang, Sun Liang, Song Kefei. Active thermal control system for space camera based on temperature level[J]. Infrared and Laser Engineering, 2015, 44(1): 249-253.

Citation:

Yu Tao, Wang Yongcheng, Dai Shuang, Sun Liang, Song Kefei. Active thermal control system for space camera based on temperature level[J]. Infrared and Laser Engineering, 2015, 44(1): 249-253.

基于温度水平的空间相机主动热控系统

1.
中国科学院长春光学精密机械与物理研究所,吉林长春130033

基金项目:

国家自然科学基金(60507003)

详细信息

作者简介:
于涛(1980-),男,助理研究员,硕士,主要从事空间相机控制技术方面的研究。Email:yut@ciomp.ac.cn

中图分类号: V443⁺.5

Active thermal control system for space camera based on temperature level

1.
Changchun Institute of Optics,Fine Mechanics and Physics,Chinese Academy of Sciences,Changchun 130033,China

摘要: 为了让空间相机在适合的温度条件下工作,提出一种基于温度水平的主动热控系统。首先,分析相机达到温度平衡的条件,确定主动热控策略;其次,介绍热控系统的构成及工作原理;然后,将相机图像质量无本质影响作为条件,确定主动热控策略中的各项控温指标;最后,确定温度控制算法。相机在轨工作的实验结果表明:依据主动热控策略,系统能够控制相机温度达到平衡,主镜组件与基准温度的温差不大于1℃,主镜组件的周向温差不大于1℃,主镜与次镜组件的温差不大于2℃,主镜与三镜组件的温差不大于5℃,温度控制结果满足主动热控策略中的各项控温指标要求,满足相机工作时对温度的要求。
- 温度水平 /
- 主动热控 /
- 空间相机
Abstract: In order to make the space camera to work under the condition of appropriate temperature, the active thermal control system based on temperature level was proposed. Firstly, the condition of temperature balance was analyzed and the active thermal control strategy was ascertained. Secondly, the system composition and work principle were introduced. Thirdly, the temperature control indexes of active thermal control were determined under the condition of no essential influence to image quality. Finally, the algorithm of temperature control was determined. Experimental results indicate that the active thermal control system can make the camera in temperature balance based on the active thermal control strategy, the difference in temperature between primary mirror and reference temperature is no more than 1℃, the circumferential difference in temperature of primary mirror is no more than 1℃, the difference in temperature between primary mirror and secondary mirror is no more than 2℃ and the difference in temperature between primary mirror and third mirror is no more than 5℃, the results of temperature control are satisfied the requirements of control indexes of the active thermal control strategy and the camera work temperature.
- temperature level /
- active thermal control /
- space camera

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基于温度水平的空间相机主动热控系统

1. 中国科学院长春光学精密机械与物理研究所,吉林长春130033

作者简介:
于涛(1980-),男,助理研究员,硕士,主要从事空间相机控制技术方面的研究。Email:yut@ciomp.ac.cn

收稿日期: 2014-05-20
修回日期: 2014-06-22
刊出日期: 2015-01-25

基金项目:

国家自然科学基金(60507003)

中图分类号: V443⁺.5

关键词:

摘要: 为了让空间相机在适合的温度条件下工作,提出一种基于温度水平的主动热控系统。首先,分析相机达到温度平衡的条件,确定主动热控策略;其次,介绍热控系统的构成及工作原理;然后,将相机图像质量无本质影响作为条件,确定主动热控策略中的各项控温指标;最后,确定温度控制算法。相机在轨工作的实验结果表明:依据主动热控策略,系统能够控制相机温度达到平衡,主镜组件与基准温度的温差不大于1℃,主镜组件的周向温差不大于1℃,主镜与次镜组件的温差不大于2℃,主镜与三镜组件的温差不大于5℃,温度控制结果满足主动热控策略中的各项控温指标要求,满足相机工作时对温度的要求。

English Abstract

Active thermal control system for space camera based on temperature level

1. Changchun Institute of Optics,Fine Mechanics and Physics,Chinese Academy of Sciences,Changchun 130033,China

Received Date: 2014-05-20
Rev Recd Date: 2014-06-22
Publish Date: 2015-01-25

Keywords:

Abstract: In order to make the space camera to work under the condition of appropriate temperature, the active thermal control system based on temperature level was proposed. Firstly, the condition of temperature balance was analyzed and the active thermal control strategy was ascertained. Secondly, the system composition and work principle were introduced. Thirdly, the temperature control indexes of active thermal control were determined under the condition of no essential influence to image quality. Finally, the algorithm of temperature control was determined. Experimental results indicate that the active thermal control system can make the camera in temperature balance based on the active thermal control strategy, the difference in temperature between primary mirror and reference temperature is no more than 1℃, the circumferential difference in temperature of primary mirror is no more than 1℃, the difference in temperature between primary mirror and secondary mirror is no more than 2℃ and the difference in temperature between primary mirror and third mirror is no more than 5℃, the results of temperature control are satisfied the requirements of control indexes of the active thermal control strategy and the camera work temperature.