Analysis on Remainder Activation Effect of PIND Impact Test Conditions for Sealed Relay

Particle Impact Noise Detection is one of the most important methods in detecting remainders within relays before they put into use. The activation effect of relay remainders is the core attribute for PIND impact test condition, and it can directly affect the detection success rate. This paper analyzes the restraint model of relay remainders, and then presents an analysis method on impact activation process based on finite element simulation. Meanwhile, the influence of the impact test condition on the activation effect is also analyzed, and the key factors influencing the activation effect in impact test condition are given.