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低G值惯性延时MEMS火工品一体化设计
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TJ450.2

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The Integrated Design of MEMS Initiator with Low G Value Inertia Delay Mechanism
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    摘要:

    开展了具备低G值惯性延时解保功能的MEMS火工品的研究工作,提出了MEMS火工品一体化设计的技术方案,通过ADAMS软件与ANSYS软件分析了MEMS火工品中电热锁销机构以及延时机构的动力学模型。结果表明:所设计的锁销机构可以在10V直流电压的控制下输出57.2μm的位移,满足相应的解锁要求;所设计的延时机构可以在10g环境力的作用下,实现560ms的延时输出,输出位移为1.5mm;MEMS火工品的整体尺寸为10mm×10mm ×0.28mm。

    Abstract:

    A novel kind of MEMS initiator with low G value inertia delay mechanism has been introduced in this paper,and the technical scheme of integrated design has been proposed. The dynamic models of the electro-thermal lock and delay mechanism have been established and verified by ADAMS and ANSYS. The results show that stimulated by 10V direct voltage, the electro-thermal lock will generate 57.2μm displacement, which can satisfy the unlock requirement. Under 10g inertial force, the delay period can reach 560ms, and the displacement of the silicon barrier is 1.5mm. The MEMS initiator occupies 10mm×10mm×0.28mm.

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  • 在线发布日期: 2020-10-15
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