IGBT逆变电源CO_2焊短路过渡动态参数的采集与分析  

Collection and analysis of Short-circuiting transfer dynamic parameters in the CO_2 welding based on IGBT inverterpower source

作　　者：蔡建刚[1] 陈兆兴 张鹏贤[3] 

机构地区：[1]兰州石化职业技术学院机械工程系,甘肃兰州730060 [2]山东特种设备检验研究院,山东济南250101 [3]兰州理工大学材料科学与工程学院,甘肃兰州730050

出　　处：《自动化与仪器仪表》2012年第2期87-88,90,共3页Automation & Instrumentation

基　　金：国家自然科学基金项目(50275028)

摘　　要：针对CO2焊短路过渡飞溅产生的机理,以IGBT逆变弧焊电源为基础,通过对CO2焊接过程中最基本的动态参数——焊接电流、电弧电压信号的采集与分析,确定了短路过渡不同时期、不同阶段的信号源特征。利用检测信号来确定短路开始与结束的时刻,对C O2焊短路过渡实现精确的波形控制、减少飞溅、改善焊缝成形奠定基础。Aim at spatter generation mechanism of CO2 arc welding short-circuit transfer based on the IGBT inverter welding power source, through acquisition and analysis of the most basic dynamic parameters -the welding current and arc voltage signal in CO2 welding process, identify the signal source characteristics at the different periods and different stages during short-circuit transfer process. By detecting signal to determine the start and the end time of short-circuit, these provide foundation to achieve precise waveform control of the short-circuit transfer process, reduce spatter and improve formation of weld in CO2 arc welding.

关 键 词：IGBT 逆变弧焊电源 CO2焊 短路过渡 动态参数 相关性 

分 类 号：TG444.73[金属学及工艺—焊接]