摘要
本文介绍了用单片机8031,8255等芯片和一些功率器件组成的自动控制系统。在电子束焊接工件时,方便可靠地实现了对抽真空泵和电磁阀的无触点开关控制。
This article present are automatic control system that consists of singlechip microcomputer 8031,8255 and power devices etc.It conveniently andreliably controls the vacuum pumps and electromagnetic valves of the ele-ctronic beam welding machines without using any mechanical contacts.
出处
《电工电能新技术》
CSCD
北大核心
1993年第4期49-52,共4页
Advanced Technology of Electrical Engineering and Energy
关键词
晶闸管
电子束焊机
微机
single chip microcomputer
thyristor
optical coupled SCR