交流TIG焊中的高频干扰及其防止

High-frequency Interference and its Prevention

摘要: TIG焊中采用的高频振荡器,是邻近电子电路的严重干扰源。本文以试验为主,研究了影响高频干扰的多种因素,如高频强度,焊接电缆和焊机输入线长度,信号源输出电阻,信号线的种类,长度和空间位置,高频振荡器、焊机输入线和信号线的屏蔽接地等。在此基础上,提出了防止高频干扰的措施。
- 高频干扰 /
- 防干扰 /
- TIG焊
Abstract: The high-frequence oscillator used in TIG welding is a serious interference source to the nearby electronic circuits.The paper investigates the factors affecting high-frequency interference,of which include the high-frequency interference,the length of welding cable and power line,the output resistance of signal source,the type,length and orientation of signal line,the shielding and grounding of high-frequency oscillator,power line and signal line.Based on the results,the measures to prevent high-frequency interference are put forward.
- high-frequency interference /
- TIG welding /
- prevention of interference