全数字智能脉冲弧焊电源系统设计与实现  

Design and realization of fully digital intelligent pulse arc welding power source

作　　者：段彬[1] 张承慧[1] 孙同景[1] 张光先[1] 

机构地区：[1]山东大学控制科学与工程学院,济南250061

出　　处：《焊接学报》2012年第8期105-108,118,共4页Transactions of The China Welding Institution

基　　金：山东大学自主创新基金资助项目(2010GN067);济南青年科技明星计划资助项目(20110304)

摘　　要：高性能的焊接电源系统是满足脉冲焊接工艺、实现电弧精细控制、保证高质量焊接效果的关键.提出了全数字脉冲逆变弧焊电源的系统方案,阐述了电源主回路结构,详细描述了控制系统硬件电路设计,提出了基于VHDL的焊接工艺时序和焊接电弧稳定控制的主控系统软件设计方法和基于32位单片机的上位机功能定位,深入研究了可实现的抗干扰措施和提高系统实时性的方法.最后介绍了系统设计过程中所需的测试试验.结果表明,所设计的全数字智能脉冲弧焊电源具有较高的灵活性、抗干扰性和可靠性,能够满足苛刻的电弧特性要求,获得满意的焊接质量.Welding power supply system with high performance is the key to meet the requirement of pulse welding technology,which can generate accurate welding arc and high welding quality.First,the system design program was proposed for fully digital pulse inverter welding power supply,including the main circuit structure and hardware circuit of the control system,based on field programmable gate array and 32-bit micro-control unit.Second,the software design for the main control system was described using very high-speed integrated circuit hardware description language to realize the complex pulse welding technology sequence and steady arc control.Effective methods were investigated to improve the anti-interference capability and real-time performance of the system.Finally,the experiments were conducted,and the results showed that the designed fully digital intelligent pulse arc welding power source had high flexibility,robustness and reliability,which could satisfy rigorous demand of the welding arc so as to achieve satisfactory welding quality.

关 键 词：弧焊电源 可编程门阵列 硬件描述语言 抗干扰 

分 类 号：TG409[金属学及工艺—焊接]