Study on energy harvesting using piezoelectric cantilever generator in fluid environments from ultrasonic vibration

ZHENG Ci-hang1; TANG Gang3; LIU Jing-quan3; YIN Gui-lin2; YU Zhen1; HE Dan-nong1

doi:10.13873/j.1000-97872011.03.021

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Study on energy harvesting using piezoelectric cantilever generator in fluid environments from ultrasonic vibration

更新时间：2025-09-11

- Study on energy harvesting using piezoelectric cantilever generator in fluid environments from ultrasonic vibration
- Vol. 30, Issue 3, Pages: 46-49(2011)
- 作者机构：
  
  1. 上海交通大学材料科学与工程学院
  2. 纳米技术及应用国家工程研究中心
  3. 上海交通大学微纳科学技术研究院微米/纳米加工技术国家级重点实验室薄膜与微细技术教育部重点实验室
  4. 南昌工程学院机械与电气学院
- 作者简介：
- 基金信息：
- DOI：10.13873/j.1000-97872011.03.021
  CLC： TN384
- Published：2011
- 稿件说明：
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[1]郑慈航,唐刚,刘景全,尹桂林,余震,何丹农.超声液体环境下压电式振动能量采集的研究[J].传感器与微系统,2011,30(03):46-49.

ZHENG Ci-hang1, TANG Gang3, LIU Jing-quan3, et al. Study on energy harvesting using piezoelectric cantilever generator in fluid environments from ultrasonic vibration[J]. 2011, 30(3): 46-49.
[1]郑慈航,唐刚,刘景全,尹桂林,余震,何丹农.超声液体环境下压电式振动能量采集的研究[J].传感器与微系统,2011,30(03):46-49. DOI： 10.13873/j.1000-97872011.03.021.

ZHENG Ci-hang1, TANG Gang3, LIU Jing-quan3, et al. Study on energy harvesting using piezoelectric cantilever generator in fluid environments from ultrasonic vibration[J]. 2011, 30(3): 46-49. DOI： 10.13873/j.1000-97872011.03.021.

摘要

针对在液体环境下工作的器件不利于直接供能这一难题

制作了一种可在液体环境下工作的振动能量采集器

采用压电悬臂梁结构在液体环境中采集水中的超声能量

在32 kHz超声频率激励下

最高获得了5.04 V的输出电压。通过改变超声波与悬臂梁的相对方向及液体盐分质量分数

发现能量采集器在超声液体环境下工作的发电效率随盐分质量分数的增加而减小;在当悬臂梁与超声换能器平面的夹角为45°

0°时

能量采集器的发电效率最高。

Abstract

An vibration energy harvester which can work in fluid environments is fabricated.Piezoelectric cantilever structure is adopted.Ultrasonic energy in water is harvested.By changing relative dinection of ultrasonic and cantilever

and salinity weigh percent

it is discovered that generating efficiency in ultrasonic liquid enrironment is reduced with the salinity weight percent increases and the device achieves highest efficiency when the angle between ultrasonic transducer plane and cantilever beam is 45°

0°.The output peak-peak voltage reaches 5.04V excited by 32kHz ultrasonic frequency.

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references

微压电式振动能量采集器的研究进展 [J]. 孙健,李以贵,刘景全,杨春生,何丹农. 微纳电子技术 . 2009(11)

压电微悬臂梁振动能量采集器谐振频率和功率的研究 [J]. 李艳宁,李雯,任平,郭彤,鄢志丹,傅星,胡小唐. 天津大学学报 . 2009(04)

基于双压电PZT薄膜单元的悬臂梁式微力传感器研究 [D]. 刘梦伟. 大连理工大学 2006

Self-powered systems: a review of energy sources [J] . P. Glynne-Jones,N.M. White. Sensor Review . 2001 (2)

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