空间探测磁强计安装部件的力学特性分析  

Mechanical Characteristic Analysis of the Magnetometer Structure Component for the Space Exploration

作　　者：庄红超[1] 王劲东[2] 王柠[3] 史荣[1] 李岩[1] 

机构地区：[1]燕山大学机械工程学院,秦皇岛066004 [2]中国科学院空间科学与应用研究中心,北京100190 [3]齐齐哈尔大学计算机与控制工程学院,齐齐哈尔161006

出　　处：《空间科学学报》2011年第1期112-117,共6页Chinese Journal of Space Science

摘　　要：对某深空探测器中的有效载荷——高精度磁强计的安装部件进行了有限元分析,分别获取了磁强计安装部件在升空过程中承受40g加速度冲击载荷以及-180～75℃的极限温度情况下,在x,y,z方向上的最大应力和最大位移,给出了由于磁强计安装部件的变形而导致的三个探头在x,y,z方向上的偏转角度,采用扫频实验法分析了磁强计安装部件的频谱特性,为空间探测磁强计的设计提供了依据.Finite element technique is utilized to analyze payload of the detector,which is the high precision magnetometer structure component.When the magnetometer structure component bears impact load of 40 g in the blastoff process and simultaneously bears extreme temperature ranging from -180℃to 75℃,the maximum stress and displacement are respectively obtained in the directions of x,y and z.Moreover,due to the deformed magnetometer structure component,deflective angles of three probes are also obtained in the three directions.Finally,the sweep experiment is utilized to analyze spectrum characteristics of the magnetometer structure component,and the objective of experimental date has been obtained.It verifies the dynamic characteristics of the magnetometer structure component and provides technical support for the space-borne magnetometer designing.

关 键 词：空间探测 安装部件设计 应力应变分析 磁强计 

分 类 号：V414[航空宇航科学与技术—航空宇航推进理论与工程]