气动系统换向冲击压电俘能特性

doi:10.11832/j.issn.1000-4858.2022.01.007

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液压与气动 ›› 2022, Vol. 46 ›› Issue (1) : 51-57. DOI: 10.11832/j.issn.1000-4858.2022.01.007

理论研究

气动系统换向冲击压电俘能特性

张添¹, 史伟杰^1,2, 杨传辉¹, 高公如², 叶桂友²

作者信息 +

Piezoelectric Energy Capture Characteristics of ReversingImpact in Pneumatic System

ZHANG Tian¹, SHI Wei-jie^1,2, YANG Chuan-hui¹, GAO Gong-ru², YE Gui-you²

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History +

摘要

为充分利用气动系统管路产生的压力冲击,提出了一种基于压电材料的正压电效应压电俘能器,搭建了基于该俘能器的实验测试系统,研究了气体压力、换向时间对该俘能器俘能特性的影响。结果表明,在气体动载荷激励下,压电俘能器内的压电片产生了弯曲形变,俘能电压与形变变化密切相关;气体压力值增大时,峰值电压、峰值功率升高;而随着换向时间的改变,峰值电压、峰值功率未有显著变化。

Abstract

In order to make full use of the pressure impact produced by the pneumatic system, a piezoelectric energy harvester based on the positive piezoelectric effect of piezoelectric materials is proposed. An experimental test system based on the energy harvester is built, and the effects of gas pressure and switching time on the energy capture characteristics of the energy harvester is studied. The results show that the piezoelectric sheet in the piezoelectric energy harvester produces bending deformation, and the energy harvesting voltage is closely related to the deformation under the excitation of gas dynamic load. When the gas pressure increases, the peak voltage and peak power will increase. But with the change of switching time, the peak voltage and peak power do not change significantly.

关键词

压电俘能 ; 峰值电压 ; 峰值功率 ; 气体压力 ; 换向时间

Key words

piezoelectric energy capture ; peak voltage ; peak power ; gas pressure ; switching time

基金

山东省自然科学基金(ZR2019BEE032)

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张添, 史伟杰, 杨传辉, 高公如, 叶桂友. 气动系统换向冲击压电俘能特性[J].液压与气动, 2022, 46(1): 51-57. https://doi.org/10.11832/j.issn.1000-4858.2022.01.007

ZHANG Tian, SHI Wei-jie, YANG Chuan-hui, GAO Gong-ru, YE Gui-you. Piezoelectric Energy Capture Characteristics of ReversingImpact in Pneumatic System[J]. CHINESE HYDRAULICS & PNEUMATICS, 2022, 46(1): 51-57. https://doi.org/10.11832/j.issn.1000-4858.2022.01.007

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Received	Revised	Published
2021-03-30	2021-06-17	2022-01-15
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2022-01-14

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