The invention relates to a thermal control method for high thermal stability and low thermal control power consumption of an expanded star sensor assembly, belongs to the technical field of satellite thermal control, and solves the problem that the high thermal stability of the expanded star sensor assembly under the condition of complex and changeable space external heat flow cannot be realized with fewer resources in the prior art. Respectively applying films on the outer surface of the multi-section light shield of the star sensor and the upper surface of the upper cover of the electronic box of the star sensor, and folding the unfolded star sensor; performing thermal control treatment on the star sensor; pasting a heating sheet on the star sensor bracket to carry out closed-loop temperature control treatment; a star sensor and a star sensor support are installed in a heat insulation mode, and a star sensor assembly is obtained; the star sensor assembly and the remote sensing camera main bearing substrate are mounted in a heat insulation manner; and the upper part of the outer circle of the upper cover of the star sensor electronics box in the star sensor assembly is adhered to the multi-layer heat insulation assembly outside the satellite through a pressure-sensitive adhesive.
一种展开式星敏感器组件高热稳定性、低热控功耗的热控方法,属于卫星热控制技术领域,解决了现有技术无法以较少资源实现展开式星敏感器组件在复杂多变空间外热流情况下的高热稳定性的问题,包括步骤如下:将星敏感器展开,对星敏感器多段式遮光罩的外表面和星敏感器电子学箱上盖的上表面分别敷贴薄膜,收拢展开的星敏感器;星敏感器热控处理;星敏感器支架粘贴加热片进行闭环控温处理;星敏感器与星敏感器支架隔热安装,获得星敏感器组件;星敏感器组件与遥感相机主承力基板隔热安装;星敏感器组件中的星敏感器电子学箱上盖的外圆上部与卫星外部多层隔热组件通过压敏胶粘贴。
Thermal control method for expansion type star sensor assembly with high thermal stability and low thermal control power consumption
一种展开式星敏感器组件高热稳定性、低热控功耗的热控方法
2023-08-25
Patent
Electronic Resource
Chinese
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