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新型双脉冲MIG焊接电源

钟启明, 谢芳祥, 王振民

钟启明, 谢芳祥, 王振民. 新型双脉冲MIG焊接电源[J]. 焊接学报, 2019, 40(7): 94-99. DOI: 10.12073/j.hjxb.2019400188
引用本文: 钟启明, 谢芳祥, 王振民. 新型双脉冲MIG焊接电源[J]. 焊接学报, 2019, 40(7): 94-99. DOI: 10.12073/j.hjxb.2019400188
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ZHONG Qiming, XIE Fangxiang, WANG Zhenmin. Research of a novel double-pulsed MIG welding power supply[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2019, 40(7): 94-99. DOI: 10.12073/j.hjxb.2019400188
Citation: ZHONG Qiming, XIE Fangxiang, WANG Zhenmin. Research of a novel double-pulsed MIG welding power supply[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2019, 40(7): 94-99. DOI: 10.12073/j.hjxb.2019400188
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新型双脉冲MIG焊接电源

  • 华南理工大学, 广州 510640

基金项目: 国家自然科学基金项目（E51875212）；广东省科技计划项目（2016B090927008，201807010035，2018A030313192）

Research of a novel double-pulsed MIG welding power supply

  • South China University of Technology, Guangzhou 510640, China

摘要

    摘要
  • 摘要: 为提升双脉冲MIG焊接设备的整体性能，研制了一台基于全碳化硅功率器件的双脉冲MIG逆变焊接电源，逆变频率可达100 kHz，有利于实现电弧的精细化控制.以STM32F405RGT6为控制核心，搭建了逆变焊机的控制系统硬件电路，其由主控制电路、数字面板以及送丝控制电路等构成.根据双脉冲MIG焊的任务需求设计了相应的控制软件，采用增量式PID算法控制输出量，通过单脉冲输出+脉动送丝控制，实现双脉冲焊接.结果表明，所研制的逆变焊接电源具有快速的动态响应，能有效配合脉动送丝进行焊接，焊缝鱼鳞纹清晰，无明显缺陷.
    Abstract: In order to improve the overall performance of double-pulsed MIG welding equipment, a novel welding power is developed based on silicon carbide power devices. The inverting frequency is up to 100 kHz, which is beneficial to precisely control welding arc. Control circuit of the proposed welding power is composed of the main control circuit, a digital panel, wire feeder control circuit, in which STM32F405RGT6 is the control core. A corresponding control software is designed according to double-pulsed MIG welding task requirements. The incremental PID algorithm is used to control the output and double-pulsed welding is realized by single pulse output with pulsating wire feeding. Test result shows that the proposed welding power supply has a fast-dynamic response, which can effectively cooperate with the pulsating wire feeding to weld. The fish scales of the weld are clear without obvious defects.
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    • 参考文献(11)
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    [6] 钱金川,朱守敏.全桥式逆变电源主电路设计[J].电工电气, 2010(04):12-19 Qian Jinchuan, Zhu Shoumin. Main circuit design of full-bridge reverse converter power supply[J]. Electrotechnics Electric, 2010(04):12-19
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    [11] 吴强,韩震宇,李程.基于增量式PID算法的无刷直流电机PWM调速研究[J].机电工程技术, 2013, 42(3):63-65 Wu Qiang, Han Zhenyu, Li Cheng. Based on the incremental PID algorithm for brushless DC motor PWM speed control research[J]. Mechanical&Electrical Engineering Technology, 2013, 42(3):63-65
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  • 收稿日期:  2018-08-21

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