遥控管道焊接机器人抗高频干扰布线机理研究

Wiring Principle of Anti-high-frequency Interference in Remote Pipe Welding Robot

  • 摘要: 通过对遥控管道焊接机器人系统总线、信号线和屏蔽双绞线布线抗高频干扰机理分析,提出针对干扰线路、一般线路和敏感线路等不同等级的线路,采取不同处理措施:使干扰线路和敏感线路之间尽量远离,或使它们之间尽量垂直交叉、避免敷设、尽可能采取屏蔽;使交流和直流线路严格分开,强电和弱电严格分开,不同电压和不同电流等级线路严格分开,输入线和输出线严格分开;应该尽量减小敏感信号线的长度;降低信号源输出电阻;采用屏蔽双绞线,屏蔽层正确接地;合理布线以减小信号线与焊接电缆的耦合;以上研究成果可为管道焊接工艺制定和遥控管道焊接机器人制造提供理论和实践上参考依据.

     

    Abstract: This paper presents some disposal measures based on different grade circuits such as disturbing circuit,common circuit and sensitive circuit,and analyzes the wiring principle on anti-high-frequency interference of system general wires,signal wires and shielding twisted-pair(STP) wires in remote pipe welding robot,which includes: enlarging the distance,intercrossing vertically,avoiding placing redundantly and using shielding technology as much as possible between the interferential and sensitive circuits; strictly separating the AC and DC circuitries,the strong and weak electricity,input and output wires,among different voltage and current grade wires; shortening the length of sensitive signal wire; minishing output resistance value of signal source; using shielding twisted-pair(STP) wires,shielding layer grounding accurately; wiring reasonably in order to reduce the coupling between signal wires and welding cable.The results provide theoretical and practical references for pipe welding technology establishment and the remote pipe welding robot manufacturing.

     

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