一种提高晶闸管触发电路抗干扰的改进方法  

An improved anti-interference method of SCR trigger circuit

作　　者：成海晖[1] 尹戈[1] 

机构地区：[1]天津707所

出　　处：《电焊机》2008年第12期93-94,共2页Electric Welding Machine

摘　　要：介绍了一种应用于电阻焊机的、基于脉冲变压器的传统晶闸管触发电路;描述了电路的组成以及各个组成部分的功能;分析了干扰对电路的影响,提出了一种提高电路抗干扰能力的改进方法;对改进后的电路进行了原理分析并给出了应用情况。A brief introduction of the SCR trigger circuit,which applied on resistance welding machine and based on the traditional pulse transformer;describes of the main components ＆ functions for the SCR trigger circuit;analys of the impact of interference on the SCR trigger circuit,an improved anti-interference method has been raised ;analys of the working principle on the improved circuit,and the application of equipment was introduced briefly.

关 键 词：晶闸管 触发电路 抗干扰 

分 类 号：TG434.1[金属学及工艺—焊接]