吉林大学学报(工学版) ›› 2009, Vol. 39 ›› Issue (增刊2): 315-0318.

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Design and research on bimorph piezoelectric pump with two active valves

CHENG Guang-ming,HE Li-peng,ZENG Ping,HU Xionghai,LI Li-an,SUN Jing   

  1. College of Mechanical Science and Engineering, Jilin University, Changchun 130022, China
  • Received:2009-03-01 Online:2009-09-30 Published:2009-09-30

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Abstract:

Based on the bimorph piezoelectric vibrator, a piezoelectric pump with two active valves was designed and manufactured. Considering the mechanical structure of piezoelectric pump, the working principle of piezoelectric pumps with active vavles were analysed in detail. According to the requirements of piezoelectric pump on the drive signal, the test rig of piezoelectric pump with two active valves was built up. Finally, the performance of the designed pump was tested. The results show the maximum flow of the designed pump is 180 ml/min and the maximum reversal flow of the designed pump is 170 ml/min , the maximum output pressure of the pump is 6 kPa at the frequency 40 Hz.

Key words: mechanical design, bimorph piezoelectric vibrator, active valve, piezoelectric pump, flow

CLC Number: 

  • TH38
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