模拟信号处理装置是控制电动挖掘机关键部件(简称磁触发器),它具有结构简单、安全可靠、耗电较少、更换容易等优点,从给定信号到控制磁性触发器,使磁性触发器输出达到无触点,自动控制电路要求。1存在问题启动发电机组,合上提升发电机励磁绕组单极开关,在提升发电机整流子上产生 Analog signal processing device is to control the key components of electric excavators (referred to as magnetic trigger), it has the advantages of simple structure, safe, reliable, low power consumption, easy replacement, from a given signal to control the magnetic trigger, the magnetic trigger Output reached non-contact, automatic control circuit requirements. 1 problems Start the generator set, close the generator excitation windings monopolar switch, to enhance the generator commutator produced