摘要
针对传统惯性触发开关所需惯性过载较大、占用轴向空间也较大的问题,对适用于弹道环境过载较小场合、采用接电爪抱球结构的小尺寸万向型机械式惯性电触发开关,通过ANSYS/LS-DYNA软件仿真,优化设计了结构参数。适当选取接电球材料、支撑筒内径尺寸和接电爪尺寸,该开关可以满足在任意方向受180 g冲击过载均可连通,受40 g恒定过载均不会连通的设计要求。适当减小接电爪片厚度、宽度或减少片数,增加接电爪片长度,选取弹性模量小的材料,对金属材料进行表面减摩处理或选择陶瓷接电球减小摩擦,增大接电球直径,都可使开关更易于闭合,反之则有利于安全。
The traditional inertia trigger switch required large inertia overload and axial space. To solve the problem, ANSYS/LS-DYNA software was used to analysis the electrical connection paw holding ball and small universal mechanical inertia electric and percussion switch, which is suitable for low environmental overload. The material of electrical connection ball, support tube diameter size and electrical connection paw size were properly selected. The switch could be communicated by 180 g shock overload in any direction, and not be communicated by 40 g constant overload. Appropriate reduction of the electrical claw thickness,width or reducing the number of pieces, or increasing the length of the electrical connection claw piece, or selecting a small elastic modulus material, metal material surface friction-reducing treatment, or choose ceramic electrical connection ball decreasing friction, or increasing the diameter of the electrical connection ball, could make the switch closed easier, otherwise, it would be safer.
出处
《探测与控制学报》
CSCD
北大核心
2017年第3期30-35,共6页
Journal of Detection & Control
关键词
机电引信
仿真研究
动态特性
惯性开关
万向发火
擦地炸
electromechanical fuze
simulation research
dynamic characteristics
inertia switch
universal firing
graze impact burst
作者简介
倪庆乐（1991-）,男,河北衡水人,硕士研究生,研究方向：引信设计及其动态特性.E-mail：niqingle@126.com
