Structure design of piezoelectric resonant air pump with magnetic spring

XIE Hai-feng; Wu Yue; JIE Meng; YANG Zhi-gang; WANG Xing-yuan

doi:10.3788/OPE.20122007.1573

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Structure design of piezoelectric resonant air pump with magnetic spring

更新时间：2020-08-12

- Structure design of piezoelectric resonant air pump with magnetic spring
- Optics and Precision Engineering Vol. 20, Issue 7, Pages: 1573-1579(2012)
- 作者机构：
  
  1. 吉林大学机械科学与工程学院,吉林长春,130025
  2. 吉林化工学院机电工程学院,吉林吉林,132022
- 作者简介：
- 基金信息：
- DOI：10.3788/OPE.20122007.1573
  CLC： TH38;TN384
- Received：27 February 2012，
  
  Revised：09 March 2012，
  
  Published Online：10 July 2012，
  
  Published：10 July 2012
- 稿件说明：
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谢海峰, 吴越, 接勐, 杨志刚, 王兴元. 磁力弹簧式压电共振型气泵的设计[J]. 光学精密工程, 2012,20(7): 1573-1579

XIE Hai-feng, Wu Yue, JIE Meng, YANG Zhi-gang, WANG Xing-yuan. Structure design of piezoelectric resonant air pump with magnetic spring[J]. Editorial Office of Optics and Precision Engineering, 2012,20(7): 1573-1579
谢海峰, 吴越, 接勐, 杨志刚, 王兴元. 磁力弹簧式压电共振型气泵的设计[J]. 光学精密工程, 2012,20(7): 1573-1579 DOI： 10.3788/OPE.20122007.1573.

XIE Hai-feng, Wu Yue, JIE Meng, YANG Zhi-gang, WANG Xing-yuan. Structure design of piezoelectric resonant air pump with magnetic spring[J]. Editorial Office of Optics and Precision Engineering, 2012,20(7): 1573-1579 DOI： 10.3788/OPE.20122007.1573.

摘要

利用压电振子的振动激励相连接的隔膜共振原理

提出了用磁力弹簧式压电共振型气泵来提高压电泵对气体的驱动能力。首先

分析磁力弹簧式共振泵的工作原理

建立了共振泵的动力学模型

计算得出了影响隔膜振幅的主要因素。接着

设计和制作了样机

使用阻抗分析仪和激光位移计分别测得系统的共振频率及压电振子的位移放大倍数。最后

设计了测量共振泵流量和输出压力的实验装置

得出了磁力弹簧轴向间距对输出流量和输出压力的影响。实验测试表明:当输入正弦电压为200 V

系统共振频率为134 Hz

磁力弹簧的轴向间距为9 mm时

压电振子的位移放大倍数约为4.3

其最佳输出流量为524 ml/min

最佳输出压力为9.2 kPa。结果显示

提出的磁力弹簧式压电共振型气泵提高了气体的输送能力。

Abstract

On the basis of principles of vibrating piezoelectric vibrators to syntonize the connected diaphragms

a piezoelectric resonant air pump with a magnetic spring was proposed to improve the driving ability of the piezoelectric pump for gas moving. First

the working principle of the piezoelectric resonant air pump with magnetic spring was analysed

a dynamic model of the pump resonance was established and the main factors effecting the membrane amplitude were obtained .Then

a prototype was designed and the resonance frequency of the system and the displacement magnification of the piezoelectric vibrator were measured by an impedance analyzer and a photovoltaic displacement sensor

respectively. Finally

a testing facility to measure the volume and output pressure of the resonance pump was developed and the effects of the axial distance of magnetic spring on the output volume and pressure were analyzed. Experimental results indicate that the amplification factor is 4.5 when the sinusoidal AC driving voltage

resonant frequency and the magnetic force of the axial spacing of the magnetic spring are 200 V

133 Hz and 9 mm

respectively. Moreover

the maximum flow rate is 524 ml/min and the maximum pressure is 9.2 kPa. Results demonstrate that the gas transportation capacity has been improved by using the proposed piezoelectric resonant air pump.

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references

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