Mechanism, FEM Analysis and Experimental Verification of Energy Harvesting from Ultrasonic Vibration Environments

周铄; 刘周龙; 郑友成; 朱强国; 王光庆

doi:10.13433/j.cnki.1003-8728.20230076

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Mechanism, FEM Analysis and Experimental Verification of Energy Harvesting from Ultrasonic Vibration Environments

更新时间：2026-07-10

- Mechanism, FEM Analysis and Experimental Verification of Energy Harvesting from Ultrasonic Vibration Environments
- Mechanical Science and Technology for Aerospace Engineering Vol. 43, Issue 11, Pages: 1961-1971(2024)
- 作者机构：
  
  浙江工商大学机构信息与电子工程学院（萨塞克斯人工智能学院）,杭州,310018
- 作者简介：
- 基金信息：
- DOI：10.13433/j.cnki.1003-8728.20230076
  CLC： TB552;TB115;TM619
- Published：2024
- 稿件说明：
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周铄, 刘周龙, 郑友成, et al. Mechanism, FEM Analysis and Experimental Verification of Energy Harvesting from Ultrasonic Vibration Environments[J]. Mechanical Science and Technology for Aerospace Engineering, 2024, 43(11): 1961-1971.
DOI：

周铄, 刘周龙, 郑友成, et al. Mechanism, FEM Analysis and Experimental Verification of Energy Harvesting from Ultrasonic Vibration Environments[J]. Mechanical Science and Technology for Aerospace Engineering, 2024, 43(11): 1961-1971. DOI： 10.13433/j.cnki.1003-8728.20230076.

摘要

为了研究超声器械的超声振动及其能量采集转换机理，设计了一种具有能量采集与转换功能的夹心式环状超声换能器。利用ANSYS有限元方法分析器件结构参数对其振动特性和能量采集输出特性的影响，并结合超声振动能量采集与转换机理模型方法进行仿真，通过实验验证仿真分析的准确性。研究表明：器件在谐振频率为35.2 kHz、电压幅值为67 V的激振条件下，采集PZT各个扇区及孤极PZT扇区的输出电压幅值分别为39 V和34.4 V，最大输出功率分别达到113 mW和82.4 mW，并通过实验系统将其采集的能量点亮发光二极管，研究结果验证了超声振动能量采集的可行性。

Abstract

In order to study the ultrasonic vibration generated by industrial instruments and its energy harvesting and conversion mechanism

a sandwich ring-shaped ultrasonic transducer with energy harvesting and conversion functions was designed. The finite element model (FEM) of the transducer is established in ANSYS to analyze the influences of the structural parameters on the vibration characteristics and energy harvesting characteristics. The mechanism model method of ultrasonic vibration energy harvesting was then derived for simulations

whose accuracy was verified by experiments. The results show that when the excitation voltage has amplitude 67 V and frequency 35.2 kHz

the output voltages amplitude of each sector of the harvesting PZT and the solitary pole PZT reach 39 V and 34.4 V

respectively

and the corresponding maximum output powers reach 113 mW and 82.4 mW. The harvesting output power meets the power supplying demand of low-power electronic devices (such as LED lights). The research results also verify the feasibility of ultrasonic vibration energy harvesting.

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