吉林大学学报(工学版) ›› 2010, Vol. 40 ›› Issue (01): 103-0107.

• paper • Previous Articles     Next Articles

Circular bimorph piezoelectric bone-conduction hearing device

SUN Jing-yang, CHENG Guang-ming, WU Bo-da, WEN Jian-ming,ZENG Ping   

  1. College of Mechanical Science and Technology, Jilin University|Changchun 130022,China
  • Received:2008-11-12 Online:2010-01-01 Published:2010-01-01

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Abstract:

A piezoelectric bone conduction auditory device with the Surroundingfixed circular piezoelectric vibrator as the drive element to transfer the vibration signal to the sound signal and make it be sensed by the people through bone conduction is present. Optimization scheme of the piezoelectric vibrator supporting way is put forth based on the modeling of the circular piezoelectric vibrator and its simulation analysis by the ANSYS software. A prototype of this kind of the piezoelectric bone conduction auditory device is produced. An experiment is conducted to acquire the influence of the structure parameters of the bone conduction auditory device on the loudness performance, the result of which proves it to be excellent in meeting the requirements of the piezoelectric bone conduction auditory device.

Key words: technology of instrument and meter, bone conduction, piezoelectric vibrator, loudness, frequency

CLC Number: 

  • TH703.8
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