CAJ | 학술논문

研制了一种基于系统芯片(System on Chip,简称SOC)的精密软开关逆变点焊电源,可用于微型工件的点焊.给出了一种采用饱和电感拓宽零电压软开关范围的电路拓扑,并分析了其控制原理;设计了以SOC型C8051F020单片机为核心的双闭环控制电路,给出了系统控制程序流程图.实验结果证明,所研制的精密软开关逆变点焊电源焊接性能优良,响应速度快,控制精度高.
연제료일충기우계통심편(System on Chip,간칭SOC)적정밀연개관역변점한전원,가용우미형공건적점한.급출료일충채용포화전감탁관령전압연개관범위적전로탁복,병분석료기공제원리;설계료이SOC형C8051F020단편궤위핵심적쌍폐배공제전로,급출료계통공제정서류정도.실험결과증명,소연제적정밀연개관역변점한전원한접성능우량,향응속도쾌,공제정도고.
A precise soft-switching inverter spot welding power based on SOC for miniature workpiece is introduced.The PS-FB-ZVS topology by adopting saturable inductor to widen soft-switching range is proposed and the control principle is analyzed.The control circuit based on SOC C8051F020 is designed and the system program flow char is presented.The experimental results show that soft-switching inverter spot welding power has fast dynamic responsibility,high accuracy and full range soft-switching.