摘要
介绍了以80C196KB单片机为核心的多功能逆变焊机控制电路的设计思想和硬件结构;研究以SG3525芯片为核心的PWM脉宽调制电路、驱动电路、电流电压采样电路、保护电路、参数预置与显示电路的组成和工作原理。结果表明,该焊机人机界面友好,具有一机多用功能,可实现焊条电弧焊、直流TIG焊和脉冲TIG焊。
The concept and hardware structure of microcomputer-controlled circuit for WSM versatile welding machine is introduced. The pulse width modulation circuit with SG3525,driving circuit,sampling circuit,protecting circuit and parameters presetting and displaying circuit are respectively analyzed.As a result,the multi-usage function welding has a good man-machine interface,MMA, DC TIG welding and pulse TIG welding can be realized.
出处
《电焊机》
北大核心
2012年第6期63-66,共4页
Electric Welding Machine