High-g dual-threshold MEMS inertial switch

Zhijian Zhou; Weirong Nie; Zhanwen Xi; Xiaofeng Wang; Qiao Luo

doi:10.11884/HPLPB201628.064105

High-g dual-threshold MEMS inertial switch

Zhijian Zhou, Weirong Nie^*, Zhanwen Xi, Xiaofeng Wang, Qiao Luo

^*Corresponding author for this work

Nanjing University of Science and Technology

Research output: Contribution to journal › Article › peer-review

Abstract

To achieve intellectualization and miniaturization of fuze, a novel high-g dual-threshold MEMS (Micro-Electro-Mechanical Systems) inertial switch has been designed and simulated under the premise of ensuring its service safety and launching reliability. The MEMS inertial switch consists of two modules named recognition module M₁ and energized module M₂ respectively. It can recognize two typical loads (load 1∶15 000g-300 μs, load 2∶3000g-3 ms) by taking advantage of collisions between a mass and two baffles without power consumption. The planar Z-shaped tooth on the mass and two baffles are significant to recognize these two different loads and their parameters have been studied. Dynamic simulations have been taken to optimize the design. Corresponding simulation results show that when load 1 is applied on the switch in the sensing direction, it keeps disconnected. While load 2 is applied in the same direction, it is closed.

Original language	English
Article number	064105
Journal	Qiangjiguang Yu Lizishu/High Power Laser and Particle Beams
Volume	28
Issue number	6
DOIs	https://doi.org/10.11884/HPLPB201628.064105
Publication status	Published - 1 Jun 2016
Externally published	Yes

Keywords

Dual-threshold
High-g inertial switch
MEMS
Planar Z-shaped teeth
Recognition

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10.11884/HPLPB201628.064105

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title = "High-g dual-threshold MEMS inertial switch",

abstract = "To achieve intellectualization and miniaturization of fuze, a novel high-g dual-threshold MEMS (Micro-Electro-Mechanical Systems) inertial switch has been designed and simulated under the premise of ensuring its service safety and launching reliability. The MEMS inertial switch consists of two modules named recognition module M1 and energized module M2 respectively. It can recognize two typical loads (load 1∶15 000g-300 μs, load 2∶3000g-3 ms) by taking advantage of collisions between a mass and two baffles without power consumption. The planar Z-shaped tooth on the mass and two baffles are significant to recognize these two different loads and their parameters have been studied. Dynamic simulations have been taken to optimize the design. Corresponding simulation results show that when load 1 is applied on the switch in the sensing direction, it keeps disconnected. While load 2 is applied in the same direction, it is closed.",

keywords = "Dual-threshold, High-g inertial switch, MEMS, Planar Z-shaped teeth, Recognition",

author = "Zhijian Zhou and Weirong Nie and Zhanwen Xi and Xiaofeng Wang and Qiao Luo",

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doi = "10.11884/HPLPB201628.064105",

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AU - Zhou, Zhijian

AU - Nie, Weirong

AU - Xi, Zhanwen

AU - Wang, Xiaofeng

AU - Luo, Qiao

PY - 2016/6/1

Y1 - 2016/6/1

N2 - To achieve intellectualization and miniaturization of fuze, a novel high-g dual-threshold MEMS (Micro-Electro-Mechanical Systems) inertial switch has been designed and simulated under the premise of ensuring its service safety and launching reliability. The MEMS inertial switch consists of two modules named recognition module M1 and energized module M2 respectively. It can recognize two typical loads (load 1∶15 000g-300 μs, load 2∶3000g-3 ms) by taking advantage of collisions between a mass and two baffles without power consumption. The planar Z-shaped tooth on the mass and two baffles are significant to recognize these two different loads and their parameters have been studied. Dynamic simulations have been taken to optimize the design. Corresponding simulation results show that when load 1 is applied on the switch in the sensing direction, it keeps disconnected. While load 2 is applied in the same direction, it is closed.

AB - To achieve intellectualization and miniaturization of fuze, a novel high-g dual-threshold MEMS (Micro-Electro-Mechanical Systems) inertial switch has been designed and simulated under the premise of ensuring its service safety and launching reliability. The MEMS inertial switch consists of two modules named recognition module M1 and energized module M2 respectively. It can recognize two typical loads (load 1∶15 000g-300 μs, load 2∶3000g-3 ms) by taking advantage of collisions between a mass and two baffles without power consumption. The planar Z-shaped tooth on the mass and two baffles are significant to recognize these two different loads and their parameters have been studied. Dynamic simulations have been taken to optimize the design. Corresponding simulation results show that when load 1 is applied on the switch in the sensing direction, it keeps disconnected. While load 2 is applied in the same direction, it is closed.

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High-g dual-threshold MEMS inertial switch

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Keywords

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