压电陶瓷换能器电感与电容匹配特性研究

Study on inductance capacitance matching features of piezoelectric ceramic transducer

采用等效电路法,推导了不同匹配条件下压电换能器军效阻抗与匹配参数公式,并获得了换能器的最佳电路匹配参数.结果表明,利用所得高效公式,可精确计算出最佳匹配参数,从而有效提高压电换能器的机电转换效率。

Based on the equivalent circuit method,the expressions of impedance and circuit matching parameters are derived,and the optimum circuit matching parameters are also obtained from the derived expressions.The experiment results show that these precise circuit matching parameters may have some potential applications in improving the efficient of the piezoelectric transducer.