The law of the variation of the mass position,the permanent magnetic force,the gas damp force,the contact force between the mass and the contactors in switch work condition is simulated.

• 对开关工作过程中质量块位置、永磁力、空气阻尼力、质量块与触点接触力等参数的变化规律进行了仿真,结果表明:该设计可以受控于加速度门限完成闭合-断开功能;