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火星轨道轻小型高分辨率相机对热控系统的质量和功耗提出了较高要求,该相机热控技术是从全局设计的角度,集质量轻、热性能好的结构材料与先进的温度控制式数据传输为一体,并结合优化的温区分布与多项热控措施,最终达到设计要求。文中围绕此项热控技术展开相机热分析与热设计工作。通过对相机外热流的分析,确定了β=70°,R=0°和β=-70°,R=0°的高温工况,以及β=0°,R=-30°的低温工况。结合相机内热源及接口信息,制定了详细的全局热控方案,通过仿真分析验证了热控方案的正确性。可为我国火星轨道轻小型高分辨率相机热控制系统的研制提供技术支持。
Mars orbit light small high-resolution camera on the thermal control system quality and power consumption put forward higher requirements, the camera thermal control technology is from a global design point of view, set the light weight, good thermal performance of structural materials and advanced temperature control Data transfer as a whole, combined with the optimization of the temperature distribution and a number of thermal control measures, and ultimately meet the design requirements. Text around this thermal control technology to start the camera thermal analysis and thermal design work. Through the analysis of the heat flux outside the camera, the high temperature conditions of β = 70 °, R = 0 ° and β = -70 °, R = 0 ° and the low temperature conditions of β = 0 ° and R = -30 ° were determined . Combined with the heat source and interface information in the camera, a detailed global thermal control scheme was developed, and the correctness of the thermal control scheme was verified through simulation analysis. It can provide technical support for the development of thermal control system for China’s small and medium-sized high-resolution camera.