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Ferroelectrics Volume 504, 2016 - Issue 1
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Original Articles

Temperature distribution analysis of piezoelectric transformer with heat couple component

Weiwei ShaoMedical Acoustic Technology Department, Suzhou Institute of Biomedical Engineering and Technology, Chinese Academy of Sciences, Suzhou, Jiangsu, People's Republic of China
,
Bin JuDepartment of Precision Machinery and Precision Instrumentation, University of Science and Technology of China, Hefei, Anhui, People's Republic of China
,
Zhihua FengDepartment of Precision Machinery and Precision Instrumentation, University of Science and Technology of China, Hefei, Anhui, People's Republic of China
,
Peiyang LiMedical Acoustic Technology Department, Suzhou Institute of Biomedical Engineering and Technology, Chinese Academy of Sciences, Suzhou, Jiangsu, People's Republic of China
,
Zhangjian LiMedical Acoustic Technology Department, Suzhou Institute of Biomedical Engineering and Technology, Chinese Academy of Sciences, Suzhou, Jiangsu, People's Republic of China
&
Yaoyao CuiMedical Acoustic Technology Department, Suzhou Institute of Biomedical Engineering and Technology, Chinese Academy of Sciences, Suzhou, Jiangsu, People's Republic of ChinaCorrespondence[email protected]
Pages 72-86 | Accepted 31 Mar 2016, Published online: 21 Nov 2016
 
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ABSTRACT

The use of a heat transfer structure can effectively improve the power of a piezoelectric transformer (PT). A heat couple component (HCC) serves as the core element in the heat transfer structure and improves temperature distribution of PT. The finite element method and experimental measurement are conducted to determine the influence of HCC to the temperature distribution of PT in this study. The heat sources are mechanical vibration, piezoelectric, dielectric losses of PT, as well as the friction heat. The thermal contact conductance coefficient between HCC and PT is determined by the asymptotic waveform evaluation method.

Funding

This study was supported by National Natural Science Funds for Young Scholar of China (Grant No. 61301041), Natural Science Funds for Young Scholar of Jiangsu Province, China (Grant No. SBK201340405), China Postdoctoral Science Foundation (Grant No. 2015M580252) and Postdoctoral Science Foundation of Jiangsu Province, China (Grant No. 1501135B).

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