The invention discloses a light shield based on a shape memory polymer composite material and a working method thereof, and belongs to the technical field of space flight and aviation. The pod rod and the wing rods are made of shape memory polymer composite materials, the support is arranged on the base, the shape memory alloy expansion breaking device is arranged on the support, the front end of the base is connected with the pod rod, the front end and the rear end of the pod rod are hinged to the wing rods, the outer sides of the pod rod and the wing rods are bonded with the flexible shading film, the front end of the pod rod is connected with the reel, and the reel is provided with a limiting hole. The limiting holes are correspondingly connected with grooving screws of the shape memory alloy expansion breaking device in an inserted mode. According to the invention, material-structure-function integration is realized based on the characteristics of the shape memory material, the locking, driving and bearing integration is realized, the advantages of simple structure, high reliability, large-size molding, low cost, light weight and high storage ratio are realized, and a shading environment with excellent performance is provided for the space camera.
一种基于形状记忆聚合物复合材料的遮光罩及其工作方法,属于航天航空技术领域。豆荚杆及翼杆均采用形状记忆聚合物复合材料,基座上有支架,支架上有形状记忆合金胀断器,基座前端与豆荚杆连接,豆荚杆前后两端与翼杆铰接,豆荚杆和翼杆外侧与柔性遮光膜粘接,豆荚杆前端与卷轴连接,卷轴有限位孔,限位孔与形状记忆合金胀断器的切槽螺钉对应插接。本发明依托形状记忆材料的特性,实现材料‑结构‑功能的一体化,具有锁紧、驱动和承载一体化的特点,同时具备结构简单、可靠性高、可大尺寸成型、低成本、轻质以及高收纳比的优势,为空间相机提供了一个性能优良的遮光环境。
Shape memory polymer composite material-based light shield and working method thereof
一种基于形状记忆聚合物复合材料的遮光罩及其工作方法
2024-12-13
Patent
Electronic Resource
Chinese
IPC: | B64G Raumfahrt , COSMONAUTICS |
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