Wide-band design of dandelion-shape piezoelectric vibration energy harvester

LIU Xiang-jian; CHEN Ren-wen; HOU Zhi-wei

doi:10.3788/OPE.20142207.1850

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Wide-band design of dandelion-shape piezoelectric vibration energy harvester

更新时间：2020-08-13

- Wide-band design of dandelion-shape piezoelectric vibration energy harvester
- Optics and Precision Engineering Vol. 22, Issue 7, Pages: 1850-1856(2014)
- 作者机构：
  
  1. 南京航空航天大学机械结构力学及控制国家重点实验室,江苏南京,210016
  2. 金陵科技学院机电工程学院,江苏南京,211169
  3. 淮阴工学院机械工程学院,江苏淮安,223003
- 作者简介：
- 基金信息：
- DOI：10.3788/OPE.20142207.1850
  CLC： TN384
- Received：20 December 2013，
  
  Revised：25 January 2014，
  
  Published：25 July 2014
- 稿件说明：
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刘祥建, 陈仁文, 侯志伟. 蒲公英状压电振动能量收集装置宽频带设计[J]. 光学精密工程, 2014,22(7): 1850-1856

LIU Xiang-jian, CHEN Ren-wen, HOU Zhi-wei. Wide-band design of dandelion-shape piezoelectric vibration energy harvester[J]. Editorial Office of Optics and Precision Engineering, 2014,22(7): 1850-1856
刘祥建, 陈仁文, 侯志伟. 蒲公英状压电振动能量收集装置宽频带设计[J]. 光学精密工程, 2014,22(7): 1850-1856 DOI： 10.3788/OPE.20142207.1850.

LIU Xiang-jian, CHEN Ren-wen, HOU Zhi-wei. Wide-band design of dandelion-shape piezoelectric vibration energy harvester[J]. Editorial Office of Optics and Precision Engineering, 2014,22(7): 1850-1856 DOI： 10.3788/OPE.20142207.1850.

摘要

研究了蒲公英状压电振动能量收集装置的宽频带设计，以解决环境振源振动频率多变的问题。建立了蒲公英状压电振动能量收集装置谐振频率的理论模型并进行了数值模拟，结果表明，该能量收集装置的谐振频率并不是可以任意拓展的。为验证理论分析的正确性，进行了蒲公英状压电振动能量收集装置的频率响应实验，得到的实验结果与理论分析基本吻合，说明了本文理论分析的可靠性。最后对宽频带的蒲公英状压电振动能量收集装置进行了发电性能测试实验，结果表明，通过对蒲公英状压电振动能量收集装置的宽频带设计，其在20~34 Hz有较大的功率输出，且最大输出功率达到了约2.3 mW。本文的设计有效地拓宽了该装置的谐振频率范围，易于实现与环境振源的匹配而获得较高的能量收集能力。

Abstract

The wide-band design of a dandelion-shape piezoelectric vibration energy harvester was investigated to process the variety of the ambient vibration energy sources.A analysis model of resonant frequency for dandelion-shape piezoelectric vibration energy harvester was established.The theoretical results show that the frequency band of resonant frequency of the energy harvester can not be increased randomly.To verify the theoretical analysis

a frequency response experiment was performed

and the results obtained from the theoretical model indicate that theoretical analysis is basically in agreement with the experimental results.Finally

the experiments were performed to measure the generating capacity of the dandelion-shape piezoelectric vibration energy harvester.The research results show that after a wide-band design for the dandelion-shape piezoelectric vibration energy harvester

it has higher output power in the range of 20Hz-34Hz and the maximal output power is around 2.3 mW.The results demonstrate that the proposed piezoelectric vibration energy harvester can effectively increase the band of resonant frequency through the wide-band design and is easy to match the ambient vibration energy sources to get more vibration energies.

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references

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