The Natural Vibration Characteristics of Reed Relay
Zhang Gaoting1, Cao Yundong1, Liu Wei2
1. Institute of Electrical Apparatus New Technology and Application Shenyang University of Technology Shenyang 110870 China; 2. Shenyang Railway Signal Company Limited Shenyang 110025 China
Abstract Reed as a flexible body is prone to coupling resonance, which leads to the decline of operation reliability in reed relay. In this paper, a vibration analysis model of contact spring system is proposed based on beam bending theory, and the natural vibration parameters of contact spring system are calculated numerically. The composite time integration algorithm of Bathe is selected considering the actual vibration conditions, and the natural vibration characteristics of the spring are obtained. At last, the comparison between the vibration test results and the simulation data verifies the accuracy of the solving ability for natural vibration characteristics, which can provide a reference for studying low-voltage electrical appliances of structural optimization.
Zhang Gaoting,Cao Yundong,Liu Wei. The Natural Vibration Characteristics of Reed Relay[J]. Transactions of China Electrotechnical Society, 2020, 35(2): 292-299.
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2020, Vol. 35 
