电火工品桥丝与药剂升温模型及在可靠性设计中的应用

The temperature rising models of bridgewire and explosiveof electro-explosive device and application in reliability design

介绍了桥丝式电火工品的电容放电和直流输入方式的桥丝升温模型、药剂升温模型及其数值求解算法 ,提出了估算感度的能量平衡方程和用于输入可靠性设计的理论计算方法。给出了一个算例 ,并与实际产品作了比较 ,结果表明 ,将该模型用于可靠性设计的理论计算是可行的。

This paper introduced the temperature rising models of bridgewire considering capacitor discharge and direct current as input energy, the temperature rising model of explosive and their numerical analysis methods. Meanwhile the energy balance equation for calculating sensitivity was presented and the theoretical method of reliability design of energy input for bridgewire electro explosive device was described. A numerical example was given to compare with the real product and the result showed that the models were available for theoretical calculation in reliability design of bridge wire electro explosive devices.