1) piezoelectric cantilever dibrator
单晶压电振子
1.
A piezoelectric cantilever dibrator is designed and the effect of Optimal Thickness Ratios(ORT) of the PEC to the metal plate on the piezoelectric dibrator is analyzed by Finite Element Method(FEM).
建立了悬臂梁单晶压电振子的发电测试系统,针对压电晶体与磷青铜基板材料的厚度比对单晶压电振子输出电压的影响进行了有限元分析,得出了压电晶体与磷青铜基板材料的最佳厚度比并进行了实验验证,同时对具有最佳厚度比的单晶压电振子进行了压电发电能力测试。
2) bimorph piezoelectric vibrator
双晶片压电振子
1.
Based on the bimorph piezoelectric vibrator,a piezoelectric pump with two active valves was designed and manufactured.
以双晶片压电振子为驱动元件,研制了两主动阀式压电泵。
3) piezoelectric monocrystal
压电单晶
1.
In this paper, the structures and properties of perovskite, tungsten bronze, bismuth layer structured, piezoelectric monocrystal types piezoelectric ceramics were reviewed.
本文综述了钙钛矿、钨青铜、含Bi层状、压电单晶等相关的高温压电材料,并对以上几种高居里温度压电材料的研究进展进行了概括,指出了今后的研究方向。
4) Piezoelectric resonator
压电振子
1.
Based on Hamilton principle and modal assumption, the complicated vibration of the piezoelectric resonator is simplified as a simple vibration of a single degree of freedom system, and its electro-mechanical dynamic model is establation force described by a force factor.
基于分析动力学的哈密顿原理,采用模态假定将超声电机压电振子复合结构的复杂振动在模态域内等效成单自由度系统的简单振动;考虑压电陶瓷的压电效应,将压电陶瓷诱发应变的激振力的大小用参数力系数描述,建立了超声电机压电振子的机电耦合动力学模型,通过实例计算与实验结果对比,验证该模型是较准确的,可以在超声电机的初步设计阶段替代有限元分析来确定电机的结构及材质参数,并选定合适的工作频率,从而为超声电机进一步的参数化分析和仿真模型的建立,及结构动力特性优化打下理论基础。
2.
The equation was decoupled through the exciting analysis of the piezoelectric resonator utilizing the piezoelectricity element and material provided by finite-element software.
建立了超声波电动机复合定子的机电耦合有限元动力方程,利用有限元软件提供的压电单元和压电材料,通过对压电振子的激振分析实现方程的解耦,绘制了机电耦合体的导纳曲线,直观地得到了压电振子内节点自由度的分布情况,从而为压电振子的前期设计及解决机电耦合问题提供了一种有效的方法。
5) piezoelectric vibrator
压电振子
1.
Influence of piezoelectric vibrator and fluid on close noise field of pump;
压电振子及流体对泵近场噪声的影响
2.
Based on the working principle,the piezoelectric pump with active valve was designed and fabricated which used the piezoelectric vibrators as the prime mover and the inlet and outlet valves.
依据工作原理,设计、制作了由压电振子分别作为泵驱动源和进、出口阀的主动阀压电泵,并对泵的驱动信号进行了研究。
3.
A kind of piezoelectric vibrator test system for the electric parameters was studied,This system can test the resonant frequency、quality factor and electromechanical coupling coefficient of piezoelectric vibrator by measuring the relation of Frequency-Impedance of piezoelectric vibrator.
研究了一种压电振子电学性能自动测试系统,系统通过对压电振子频率-阻抗关系的测量得到压电振子的谐振频率、品质因数和机电耦合系数等电学参数。
6) piezoelectric actuator
压电振子
1.
In order to improve the efficiency of the piezoelectric pump and optimize its structure,the dynamic characteristics of the piezoelectric actuator were explored.
为了提高压电泵的效率、优化压电泵的结构,对泵用压电振子的动态特性进行了研究。
2.
The coupling characteristic was calculated numerically,the influence of the piezoelectric actuator geometry on the piezoelectric-solid-liquid-sound coupling was analyzed emphatically.
针对微雾化器存在的多能域能量耦合问题,建立了压电微雾化器的固-液-声耦合模型,对其耦合特性进行了数值计算,并着重分析了压电振子结构参数对耦合性的影响,得到了压电振子结构参数对于系统的结构振动、声压力波特性的影响规律。
补充资料：单晶
分子式：
CAS号：
性质：参见多晶
CAS号：
性质：参见多晶
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
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