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全位置焊高频励磁装置工作特性分析

岳建锋, 李亮玉, 刘文吉, 王天琪

岳建锋, 李亮玉, 刘文吉, 王天琪. 全位置焊高频励磁装置工作特性分析[J]. 焊接学报, 2015, 36(1): 31-34.
引用本文: 岳建锋, 李亮玉, 刘文吉, 王天琪. 全位置焊高频励磁装置工作特性分析[J]. 焊接学报, 2015, 36(1): 31-34.
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YUE Jianfeng, LI Liangyu, LIU Wenji, WANG Tianqi. Analysis of working character of all position welding based on exterior high frequency excitation device[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2015, 36(1): 31-34.
Citation: YUE Jianfeng, LI Liangyu, LIU Wenji, WANG Tianqi. Analysis of working character of all position welding based on exterior high frequency excitation device[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2015, 36(1): 31-34.
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全位置焊高频励磁装置工作特性分析

  • 1.

    天津工业大学天津市现代机电装备技术重点实验室, 天津 300387;哈尔滨工业大学现代焊接生产技术国家重点实验室, 哈尔滨 150001

  • 2.

    天津工业大学天津市现代机电装备技术重点实验室, 天津 300387

基金项目: 国家自然科学基金资助项目(U1333128);哈尔滨工业大学先进焊接与连接国家重点实验室基金资助项目(AWJ-M13-08)

Analysis of working character of all position welding based on exterior high frequency excitation device

  • 1.

    Tianjin Key Laboratory of Modern Mechatronics Equipment Technology, Tianjin Polytechnic University, Tianjin 300160, China;State Key Laboratory of Advanced Welding and Joining, Harbin Institute of Technology, Harbin 150001, China

  • 2.

    Tianjin Key Laboratory of Modern Mechatronics Equipment Technology, Tianjin Polytechnic University, Tianjin 300160, China

摘要

    摘要
  • 摘要: 为了防止全位置MAG焊熔池铁水流淌,研制开发了基于电涡流效应的励磁装置,在熔池内产生可抵消重力的外加电磁力.但是在试验中发现交变励磁电源有效功率在高频阶段输出受到很大限制,对励磁负载回路进行了分析,发现励磁负载回路中的感应环节造成交变电源高频工作时,感抗过大.为此在研究中提出在高频工作时采用串联谐振技术减小感性负载影响.结果表明,该方案有效提升了交变电源功率输出,并对励磁回路等效电阻和等效电感特性进行了研究和讨论,为励磁装置自动功率控制奠定了基础.
    Abstract: In order to prevent molten iron to drop under gravity during all position MAG welding, an excitation device is developed on the base of eddy current effect, which can generate Lorenz force in weld pool. However, the power output of alternative electricity power is restricted at high frequency. Therefore, the excitation load circuit is researched. The inductive link is found in the circuit which results in inductive resistance large too much at high frequency. Then, the technology of series resonance is applied to decrease the effect of inductive resistance at high frequency. Experiment results show that this scheme can promote output of alternative electricity power. On the basis, the equivalent resistance and equivalent inductance are analyzed and studied, which is beneficial for excitation device power auto control.
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    • 参考文献(8)
  • [1] 陈树君,王军,王会霞,等.纵向磁场作用下的旋转射流过渡的机理[J].焊接学报, 2005, 26(3):45-49. Chen Shujun, Wang Jun, Wang Huixia, et al. Principle of rotating transfer undergoing longitudinal magnetic field control[J]. Transactions of the China Welding Institution, 2005, 26(3):45-49.
    [2] 常云龙,杨旭,李大用,等.外加纵向磁场作用下的TIG焊接电弧[J].焊接学报, 2010, 31(4):49-52. Chang Yunlong, Yang Xu, Li Dayong, et al. Arc shapes of TIG welding in a longitudinal magnetic field[J]. Transactions of the China Welding Institution, 2010, 31(4):49-52.
    [3] Ryzhov R N, Kuznetsov V D. Choice of optimal parameters of external electromagnetic action in arc methods of welding[J]. Avtomaticheskaya Svarka, 2005(6):27-31.
    [4] 赵彭生,祝树燕,赵国华.双尖角磁场再压缩等离子弧的物理特征及焊接工艺性能[J].焊接学报, 1986, 7(1):7-14. Zhao Pengsheng, Zhu Shuyan, Zhao Guohua. Physical features and welding characteristics of a plasma arc re-constricted by a dual-cusp magnetic field[J]. Transactions of the China Welding Institution, 1986, 7(1):7-14.
    [5] 王军,陈树君,卢振洋,等.磁场控制横向MAG焊接焊缝成型工艺的研究[J].北京工业大学学报, 2003, 29(2):147-150. Wang Jun, Chen Shujun, Lu Zhenyang, et al. Study on the electromagnetically controlled horizontal position MAG welding process[J]. Journal of Beijing University of Technology, 2003, 29(2):147-150.
    [6] 李亮玉,岳建锋,姜旭东.一种全位置熔池稳定成形控制的方法及装置:中国,201110025044.6[P]. 2011-01-24.
    [7] 岳建锋,李亮玉,刘文吉,等.基于外加高频交变磁场下向MAG焊熔池成形控制[J].机械工程学报, 2013, 49(8):65-69. Yue Jianfeng, Li Liangyu, Liu Wenji, et al. Downward welding pool shape control based on exterior high frequency alternative magnetic field[J]. Journal of Mechanical Engineering, 2013, 49(8):65-69.
    [8] 吴兆麟,袁俊国,于非.高频感应加热装置的负载匹配方法[J].电力电子技术, 1999(4):29-32. Wu Zhaolin, Yuan Junguo, Yu Fei. Analysis on the load matching way of the HF induction heating equipment[J]. Power Electronics, 1999(4):29-32.
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  • 收稿日期:  2013-12-19

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