一种基于压电片的能量转换装置及其优化设计  

An Energy Conversion Device Based on Piezoelectric Plate and Its Optimum Design

作　　者：郭晓莹 李茂军[1] 李琛 GUO Xiaoying;LI Maojun;LI Chen(College of Electrical and Information Engineering,Changsha University of Science and Technology,Changsha 410004,China)

机构地区：[1]长沙理工大学电气与信息工程学院,湖南长沙410004

出　　处：《压电与声光》2018年第2期300-303,共4页Piezoelectrics & Acoustooptics

基　　金：国家自然科学基金资助项目(61074018)

摘　　要：为完成环境能量向电能的转化,设计了一种利用压电元件转化环境能量的能量转换装置。该装置利用风力驱动悬梁臂式压力发电组件旋转,同时使压电片振动而产生电能。依据压电材料的基本理论建立了装置的输出模型,并采用基于状态空间模型的进化算法对装置进行优化设计。开展了能量转换装置的实验测试,实验结果表明,该装置可高效地完成环境能量向电能的转化。本装置的设计为清洁环境能源的收集提供了新方法,也指出了振动能量采集装置的研究前景。In order to complete the conversion of environmental energy to electric energy,an energy conversion device using piezoelectric element to convert environmental energy is designed.The device uses a wind-driven cantilever-arm type pressure-generating component to rotate while the piezoelectric plate is vibrated to generate electrical energy.Based on the basic theory of piezoelectric materials,the output model of the device is established,and the evolutionary algorithm based on the state space model is used to optimize the design of the device.The experimental test of the energy conversion device has been carried out.The experimental results show that the device can efficiently convert the environmental energy into the electrical energy.The design of this device provides a new method for the collection of clean environmental energy,and also points out the research prospects of the vibration energy harvesting device.

关 键 词：压电片 风能 发电装置 能量回收 压电效应 

分 类 号：TN23[电子电信—物理电子学]