某星载遥感器第三镜组件热控罩设计与分析

摘要

The third mirror mantle is a carrier for affixing calefaction patch. First of all, confirm the distance between the third mirror mantle and the third mirror considering thermodynamics. Then, design and optimize the material and structure project of the third mirror mantle. Finally, analyze statics, dynamics and thermal characteristics using Finite Element Method (FEM). The result indicates that the project meets the statics and dynamics requirements of design and application, and the project is reasonable and feasible.%第三镜热控罩是为第三镜组件而设计的粘贴加热片的载体。在设计方案选择时首先从热力学角度考虑问题，确定热控罩与第三镜的距离，然后对热控罩的材料和结构方案进行优选和设计，再利用有限元法对设计方案进行静力学、动力学及热力耦合分析验证。结果表明，热控罩无论在静力学还是动力学方面均满足设计和使用要求，设计方案合理可行。