NDLI: Research on single vibrator gas piezoelectric pump

Content Provider	IEEE Xplore Digital Library
Author	Jingshi Dong Chuanliang Sheng Zhigang Yang Guangming Cheng Boda Wu
Copyright Year	2009
Description	Author affiliation: Institute of Mechanical Science and Engineering, Jilin University, No.5988 Renmin Street, Changchun, China (Jingshi Dong; Chuanliang Sheng; Zhigang Yang; Guangming Cheng; Boda Wu)
Abstract	A single vibrator gas piezoelectric micro-pump has been presented in this work. The structure is designed and the dynamic modeling and simulation of the check valve which is the main component of pump are investigated. Based the analysis results, a proto type of gas micro-pump is fabricated and measured. The pump is driven by piezoelectric bimorph which has a hole in the middle, and a check valve is adhered to the hole to cut off fluid. The inlet and outlet is located in the two sides of the piezoelectric vibrator, and the on/off action of the check valve corresponding to the variation of the pump chamber is produced by the actuation vibration energy of piezoelectric vibrator. Compare with the traditional piezoelectric pump which inlet and outlet is located in one side and the check valve of it is driven by differential pressure on the two sides, it has lower fluid resistance and preferable unidirectional cut off characteristic. So the gas pumping ability and the response frequency of check valve are enhanced. The measured output flow rate of present design by experiment reaches 840 ml/min when driving voltage and frequency is 50V and 1000Hz.
File Size	104065
File Format	PDF
ISBN	9781424438631
DOI	10.1109/ICEMI.2009.5274217
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-08-16
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Fluid flow control piezoelectric pump turn and control of fluid Valves Micropumps Machinery Gears Pumps Electromagnetic interference Voltage gas Frequency Biomembranes vibration analysis
Content Type	Text
Resource Type	Article

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