基于圆弧限位的压电发电装置

王淑云; 阚君武; 王鸿云; 凌荣华; 杨振宇; 蒋永华; 张忠华

doi:10.3788/OPE.20132102.0342

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基于圆弧限位的压电发电装置

微纳技术与精密机械 | 更新时间：2020-08-12

- 基于圆弧限位的压电发电装置
- Piezoelectric energy generator based on deflection-limiting circular arc
- 光学精密工程 2013年21卷第2期页码：342-348
- 作者机构：
  
  浙江师范大学数理与信息工程学院2. 浙江师范大学精密机械研究所
- 作者简介：
- 基金信息：
  
  国家自然基金项目();浙江省自然科学基金();浙江省新苗人才计划项目()
- DOI：10.3788/OPE.20132102.0342
  中图分类号： TH384;TM35
- 收稿日期：2012-07-02，
  
  修回日期：2012-09-09，
  
  网络出版日期：2013-02-23，
  
  纸质出版日期：2013-02-15
- 稿件说明：
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王淑云阚君武王鸿云凌荣华杨振宇蒋永华张忠华. 基于圆弧限位的压电发电装置[J]. 光学精密工程, 2013,21(2): 342-348

WANG Shu-yun KAN Jun-wu WANG Hong-yun LING Rong-hua YANG Zhen-yu JIANG Yong-hua ZHANG ZHong-hua. Piezoelectric energy generator based on deflection-limiting circular arc[J]. Editorial Office of Optics and Precision Engineering, 2013,21(2): 342-348
王淑云阚君武王鸿云凌荣华杨振宇蒋永华张忠华. 基于圆弧限位的压电发电装置[J]. 光学精密工程, 2013,21(2): 342-348 DOI： 10.3788/OPE.20132102.0342.

WANG Shu-yun KAN Jun-wu WANG Hong-yun LING Rong-hua YANG Zhen-yu JIANG Yong-hua ZHANG ZHong-hua. Piezoelectric energy generator based on deflection-limiting circular arc[J]. Editorial Office of Optics and Precision Engineering, 2013,21(2): 342-348 DOI： 10.3788/OPE.20132102.0342.

摘要

提出一种基于圆弧限位压电发电装置来提高发电能力及可靠性。介绍了该装置的结构及工作原理，建立了其机电能量转换模型。通过模拟仿真分析获得了压电振子厚度比（基板与总厚度比）对最小限位圆弧半径及能量、及压电振子厚度和限位圆弧半径对电压及能量的影响规律。结果表明，最小限位圆弧半径随厚度比的增加而线性减小，且存在共同的最佳厚度比（0.35）使不同厚度压电振子的输出电压和能量最大；在最佳厚度比时，输出电压和能量随压电振子厚度增加或限位圆弧半径降低而增加。制作了一组限位圆弧半径不等的发电装置，并进行了相关试验测试。结果表明，压电振子的最大输出电压（变形量）仅与限位圆弧半径有关，故采用最小限位圆弧半径可同时获得最大的发电能力和较高的可靠性。

Abstract

A piezoelectric energy generator with a Deflection-limiting Circular Arc (DLCA) was presented to enhance its generated energy and reliability. The structure and working principle of the piezoelectric generator were introduced and an energy conversion model for the piezoelectric generator was established.By simulation

the influence of thickness ratio of the substrate thickness to the total thickness of the piezo-cantilever on the minimal radius of DLCA as well as the generated energy

and that of total thickness of the piezo-cantilever and the radius of DLCA on the generated voltage as well as electrical energy were obtained. The analytical results show that the minimal radius of the DLCA decreases linearly with the increasing of thickness ratio

and there is a shared optimal thickness ratio(0.35) for piezoelectric generators with different total thicknesses to achieve maximal output voltage and energy. Several piezoelectric generators with different radii of DLCA were fabricated and tested. The results show that the maximal voltage (displacement) of the piezoelectric generator depends mainly on the radii of DLCA. When a minimal radius of DLCA is set

both the maximal electrical energy and higher reliability can be achieved.

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Keywords

references

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