谐振频率转换机制振动能采集器研究进展  

Research progress in vibration energy harvester with resonance frequency conversion mechanism

作　　者：杜小振[1] 张龙波[1] 曾庆良[1] 

机构地区：[1]山东科技大学机械电子工程学院,山东青岛266590

出　　处：《传感器与微系统》2018年第2期1-6,共6页Transducer and Microsystem Technologies

基　　金：国家自然科学基金资助项目(51105234);中国博士后科学基金资助项目;山东省自然科学基金面上资助项目(2016ZRB01224);山东省科技发展计划资助项目(2013YD04018);青岛市黄岛区科技项目小微企业发展和孵化器专项项目(2014-1-107);应用研究与公共卫生专项项目(2014-1-42);青岛市博士后基金资助项目

摘　　要：环境振动能采集器可为低功耗系统提供绿色环保、可再生能源,具有寿命长久、能量密度高、微型、易集成等优势。能量采集环境具有随机振动频率低、频域广、振源幅值小且多方向性等特点,频率转换机制可有效解决采集器与环境振动频率不匹配问题,提高其能量转换效率。发电装置中的拾振结构频变方式主要分为接触式和非接触式,具体操作方法包括直接或间接碰撞拾振体、驱使振动体形变、磁力耦合调频等。综合比较了各类频率转换机制的优缺点及其实用性,指出了低宽频、高效能、智能化是未来振动能采集微电源的研究趋势。The ambient vibration energy harvester as a micro power source can provide green environmental protection and renewable energy for the low-power system persistently,which has many advantages such as long life-span,high energy density,miniature and can be easily integrated,which are expected to overcome the drawbacks of the current traditional chemical batteries. The frequency of the broadband random ambient vibration are low,the amplitude of vibration source is small and vibrating in several directions. The energy harvester should match the ambient vibration frequency with the frequency conversion mechanism to increase the energy conversion efficiency. The frequency converter based on the picking vibration structure includes contact and non-contact mode and a direct or indirect collision course to adjust the picking vibration body deformation,magnetic coupling tuning and so on. Advantages,disadvantages and applications of all kinds of frequency conversion mechanism are compared. It refers that future research trend of the vibration energy harvesting micro power is low wideband,high efficiency and intelligentize.

关 键 词：振动能采集 低功耗系统 频率转换机制 微机电系统 

分 类 号：TM91[电气工程—电力电子与电力传动]