薄筒壳式压电晶片换能器的振动分析

2013 Fifth International Conference on Measuring Technology and Mechatronics Automation Pub Date : 2013-01-16 DOI:10.1109/ICMTMA.2013.309

Li Li, Wang Li-kun, Q. Lei

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引用次数: 0

摘要

具有桶壳谐振器的压电晶盘由金属桶壳和压电陶瓷盘组成。一个陶瓷圆盘贴在金属外壳的底部。利用瑞利-里兹能量方程和弹性边界条件推导了谐振腔的振动频率。分析了谐振腔结构对谐振频率的影响。结果表明，谐振频率随厚度比(a)和半径比(μ)的增大而增大。

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The Vibration Analysis of the Piezoelectric Crystal Disk with Thin Barrel Shell Transducer

The piezoelectric crystal disk with barrel shell resonator consists of the metal barrel shell and piezoelectric ceramic disk. A ceramic disk plasters at the bottom of the metal shell. The vibration frequency of the resonator is deduced by Rayleigh-Ritz energy equation and elastic boundary conditions. The influence of the resonator structure on the resonant frequency is analyzed. The result shows that the resonant frequency increases with the increase of the thickness ratio (a) and radius ratio (μ).

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来源期刊

2013 Fifth International Conference on Measuring Technology and Mechatronics Automation

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