点焊恒流控制中电流检测系统的研究  

Study on the current testing system in the constant control of spot welding

作　　者：张旭明[1] 邹泽明[1] 杜全营[1] 倪火炬[1] 

机构地区：[1]武汉理工大学材料成形与控制系,湖北武汉430063

出　　处：《电焊机》2001年第5期15-17,33,共4页Electric Welding Machine

摘　　要：以高性能 16位单片机 80C196KC为检测系统的核心 ,借助高精度霍尔电流传感器 ,采集工频点焊机一次侧电流 ,利用离散化积分方法获取电流有效值 ,可快速、精确地实现电流有效值的测量 。Adopting the 16 bit single chip microcomputer 80C196KC as the core component of testing system , this paper utilizes the Hall current sensor to gather primary current from spot welding machine with high precision and calculates the effective value of current by means of discrete integration method ,which assures the quick and accurate measure of the effective value of current and provides a solid base for improving the precision of constant control.

关 键 词：单片机 一次侧电流 恒流控制 电流检测系统 点焊机 焊接 

分 类 号：TG438.2[金属学及工艺—焊接]