周期荷载作用下拱式振动能量采集器的压电分析

董可杰; 刘爱荣; 唐浩; 杨智诚

doi:10.6052/j.issn.1000-4750.2021.05.S061

周期荷载作用下拱式振动能量采集器的压电分析

doi: 10.6052/j.issn.1000-4750.2021.05.S061

董可杰^1,,
刘爱荣^1, ,,
唐浩^1,,
杨智诚^2,

1.
广州大学风工程与工程振动研究中心，广州 510006
2.
仲恺农业工程学院城乡建设学院，广州 510225

基金项目: 国家自然科学基金项目(51878188)；高等学校学科创新引智计划项目(111计划 D21021)；广州市科技计划项目(20212200004)；中国工程院战略咨询重点项目(2021-XZ-37)

详细信息

作者简介:
董可杰(1997−)，男，广东人，硕士生，主要从事拱式振动能量采集器研究(E-mail: dongkejie97@163.com)

唐　浩(1998−)，男，湖南人，硕士生，主要从事功能梯度材料拱参数共振稳定性研究(E-mail: 2111916034@e.gzhu.edu.cn)

杨智诚(1992−)，男，广东人，副教授，博士，主要从事复合材料与智能结构稳定性研究(E-mail: zhicheng.yang@zhku.edu.cn)

通讯作者:
刘爱荣(1972−)，女，山西人，教授，博士，主任，主要从事新型桥梁结构的静动力稳定性研究(E-mail: liuar@gzhu.edu.cn)

中图分类号: TM619
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- HTML全文浏览量: 14
- PDF下载量: 10
- 被引次数: 0
出版历程
- 收稿日期: 2021-05-29
- 修回日期: 2022-04-07
- 网络出版日期: 2022-05-05
- 刊出日期: 2022-06-06

PIEZOELECTRIC ANALYSIS OF ARCH VIBRATION ENERGY HARVESTER UNDER CYCLIC LOADING

1.
Wind and Vibration Engineering Research Center, Guangzhou University, Guangzhou 510006, China
2.
College of Urban and Rural Construction, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China

摘要

摘要: 能源需求的不断增加以及环境问题的日益凸显迫使人们在环境中寻求清洁能源。该文提出了一种新型拱式能量采集器，能有效利用波浪的振动能量。从拱式振动能量采集器的工作原理分析能量采集的可行性，采用Comsol建立了拱式能量采集器的有限元计算模型，分析周期荷载作用幅值、激励频率、负载电阻、压电片位置和基础层材料等参数对能量采集器压电性能的影响，确定采集器的最优设计参数。
- 拱 /
- 周期荷载 /
- 波浪能 /
- 压电 /
- 能量采集器
Abstract: The increasing demand for energy and the increasingly prominent environmental problems force people to seek clean energy in the environment. Presents a new arch energy harvester which can effectively utilize the vibration energy of waves. The feasibility of the arch vibration energy collector is analyzed from its working principle, and the calculation model of the harvester is established by Comsol, and the influences of cyclic loading action amplitude, excitation frequency, load resistance, piezoelectric position and base layer material on the piezoelectric performance of the harvester are analyzed to determine the optimal parameters of the harvester.
- arch /
- cyclic loading /
- wave energy /
- piezoelectric /
- energy harvester

HTML全文

图 1 拱式振动能量采集器结构示意图

Figure 1. Arch vibration energy harvester structure diagram

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图 2 拱式振动能量采集器有限元模型和非线性跳跃变形

Figure 2. Finite element model and nonlinear jump deformation of arch vibration energy harvester

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图 3 拱式振动能量采集器瞬时输出电压

Figure 3. Instantaneous output voltage of arch vibration energy harvester

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图 4 不同周期荷载作用幅值下采集器的有效输出电压

Figure 4. Effective output voltage of the collector under different displacement amplitudes of different periods

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图 5 不同荷载频率下采集器的有效输出电压

Figure 5. Effective output voltage of harvester at different load frequencies

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图 6 不同负载电阻下的压电性能

Figure 6. Piezoelectric properties under different load resistances

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图 7 不同压电片位置的采集器瞬时输出电压

Figure 7. Instantaneous output voltage of collector at different piezoelectric plate positions

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图 8 基于不同材料基础层采集器的瞬时输出电压

Figure 8. Instantaneous output voltage of collectors based on different material base layers

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表 1 基础层与压电片几何与材料参数

Table 1. Base layer and piezoelectric element geometry and material parameters

结构参数	参数值
基础层质量密度$ \rho $/(kg/m³)	7850
基础层弹性模量E/GPa	200
基础层泊松比ν	0.3
基础层截面宽b/mm	30
基础层截面高h/mm	1
悬臂梁长/圆弧长S/mm	240
压电片质量密度$ \rho $/(kg/m³)	7750
压电片宽b_p/mm	30
压电片高h_p/mm	1
压电片长L_p/mm	20

下载: 导出CSV

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