晶闸管CO_2焊机的新型同步及触发电路  

New synchronization and trigger circuit of SCR CO_2 welding machine

作　　者：叶振忠[1] 孙梅[1] 郭世贤[1] 王芸[1] 

机构地区：[1]天津大学机电工厂,天津300072

出　　处：《电焊机》2003年第6期33-35,共3页Electric Welding Machine

摘　　要：所论述的同步及触发电路,基于主电路结构特点设计,克服了传统同步及触发电路的不足,引用新的器件设计电路。该电路结构简单、稳定、精度高,通过具体的试验对电路设计进行的验证。说明该电路在工程实际应用中是非常实用的。Based on the main circuit configuration,it designs the synchronization and trigger circuit,which restrains the defect of them,introduces into a new design circuit.This circuit has simple configuration,stabilization,high precision,which was verified by the test.It is practical to use in the field of construction.

关 键 词：晶闸管 同步电路 移相触发电路 程控单结晶体管 CO2焊机 电路设计 

分 类 号：TG434.5[金属学及工艺—焊接]