宽频压电振动俘能器的研究现状综述  

A review of broadband piezoelectric vibration energy harvester

作　　者：徐振龙 单小彪[2] 谢涛[2] XU Zhenlong;SHAN Xiaobiao;XIE Tao(School of Mechanical Engineering,Hangzhou Dianzi University,Hangzhou 310018,China;School of Mechatronics Engineering,Harbin Institute of Technology,Harbin 150001,China)

机构地区：[1]杭州电子科技大学机械工程学院,杭州310018 [2]哈尔滨工业大学机电工程学院,哈尔滨150001

出　　处：《振动与冲击》2018年第8期190-199,205,共11页Journal of Vibration and Shock

基　　金：国家自然科学基金(51677043;51077018);哈尔滨工业大学科研创新基金(HIT.NSRIF.2014059)

摘　　要：随着便携式电子设备、微机电系统(MEMS)和无线传感器网络的广泛应用,化学电池供能的弊端日益显现。压电振动俘能器可以将环境中的振动能转换成电能,实现低功耗微电子产品的无线供能或能量自给。在实际应用中,为了增强俘能器的环境适应能力,提高其俘能效率,宽频压电俘能技术成为当前的研究热点。介绍了压电振动俘能器的工作原理、常用压电材料和工作模式,综述了宽频压电俘能技术的国内外研究现状,分析了当前研究中存在的问题和不足,提出了未来可能的研究方向。压电振动俘能技术为低功耗微电子产品提供了一种稳定、安全、长久的新供能方式,具有良好的应用前景。In recent years,portable electronic devices,micro-electromechanical systems(MEMS)and wireless sensor networks have been widely used.The disadvantages of the batteries gradually become obvious.The piezoelectric vibration energy harvester can convert the ambient vibration energy to electric energy,so that the low-power microelectronic products can be wirelessly powered or self-powered.To enhance the environmental adaptability and improve the generating efficiency,the broadband piezoelectric energy harvesting turns to be a research hotspot.The principle,piezoelectric materials,and operation modes were presented firstly.The current status of the broadband piezoelectric energy harvester was reviewed.The problems in recent research work were summarized.Finally,the future research directions were proposed.The piezoelectric energy harvesting supplies a stable,safe,and enduring way to power the microelectronic products.It has a good application prospect.

关 键 词：振动俘能器 压电式 宽频 

分 类 号：TM619[电气工程—电力系统及自动化] TN384[电子电信—物理电子学]