伞状浮动阀压电泵的设计与试验

doi:10.3969/j.issn.1004-132X.2024.11.008

摘要/Abstract

摘要： 针对球阀压电泵输出性能不佳和伞阀压电泵易于疲劳失效的问题，基于球阀的浮动式工作原理和伞阀的结构特征，设计了一种性能优良且不易疲劳失效的伞状浮动阀压电泵。制作了伞状浮动阀压电泵与球阀压电泵的样机，测试分析了两种泵的输出性能。研究结果表明，当驱动电压为300 V(峰峰值)时，伞状浮动阀压电泵的最大流量和最高压力差均优于球阀压电泵。对伞状浮动阀压电泵进行了双入口结构改进，试验对比了双入口与单入口伞状浮动阀压电泵的输出性能。试验结果表明，在驱动电压300 Vpp下，双入口伞状浮动阀压电泵的最大流量和最大压力差分别为121.66 g/min和7.71 kPa，较单入口伞状浮动阀压电泵分别提高17.23%和32.93%。

关键词: 球阀, 伞状浮动阀, 压电泵, 流量, 压力差

Abstract: Aiming at the problems including the poor output performance of piezoelectric pumps with ball valve and the easy fatigue failure of piezoelectric pumps with umbrella valve, a piezoelectric pump with umbrella floating valve was designed based on the floating working principle of ball valve and the structure feature of umbrella valve that had excellent performance and was not easy to fatigue failure. The prototypes of piezoelectric pump with umbrella floating valve and piezoelectric pump with ball valve were made, and the output performances of two pumps were tested and analyzed. The results show that when the driving voltage is as 300 V（peak-to-peak value）, the maximum rate of flow and maximum pressure difference of piezoelectric pumps with umbrella floating valve are better than those of piezoelectric pumps with ball valve. The double-inlet structure improvement of piezoelectric pumps with umbrella floating valve was carried out, and the output performances of double-inlet and single-inlet piezoelectric pumps with umbrella floating valve were compared by tests. The testing results show that the maximum rate of flow and maximum pressure difference of double-inlet piezoelectric pumps with umbrella floating valve are as 121.66 g/min and 7.71 kPa at a driving voltage of 300 V, which are 17.23% and 32.93% higher than those of single-inlet piezoelectric pumps with umbrella floating valve, respectively.

Key words: ball valve, umbrella floating valve, piezoelectric pump, rate of flow, pressure difference

中图分类号:

TH38
TN384

严天祥1, 2, 宋检祥1, 2, 倪辉1, 2, 李先瑄1, 2, 陈虎城3. 伞状浮动阀压电泵的设计与试验[J]. 中国机械工程, 2024, 35(11): 1971-1976，1985.

YAN Tianxiang1, 2, SONG Jianxiang1, 2, NI Hui1, 2, LI Xianxuan1, 2, CHEN Hucheng3. Design and Tests of Piezoelectric Pumps with Umbrella Floating Valves[J]. China Mechanical Engineering, 2024, 35(11): 1971-1976，1985.

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链接本文: http://www.cmemo.org.cn/CN/10.3969/j.issn.1004-132X.2024.11.008

http://www.cmemo.org.cn/CN/Y2024/V35/I11/1971

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