基于压电的大尺寸原理样机模型和实验  

Modeling and experiment of large-scale principle prototype based on piezoelectric

作　　者：邓志强[1,2] 王翔[1,2] 伞海生[1,2] 

机构地区：[1]厦门大学物理与机电工程学院机电系,福建厦门361005 [2]厦门大学萨本栋微纳米科学技术研究院,福建厦门361005

出　　处：《传感器与微系统》2015年第8期13-15,共3页Transducer and Microsystem Technologies

基　　金：国家自然科学基金资助项目(51075344;61274120)

摘　　要：为了实现环境振动能量的低频收集,分析了压电式振动能量收集技术的特点,并建立了其数学模型。利用数值分析软件对能量收集器的性能进行了仿真模拟,压电式能量收集器更适用于低频环境下的能量收集。成功制造了具有四根环形悬臂梁结构的大尺寸原理样机,实验得到了在外界0~500 Hz低频扫频下,不同加速度激励下的开路电压、负载电阻的电压输出,并与理论分析结果对比。In order to harvest low-frequency vibration energy of environment,analyze characterstics of piezoelectric vibration energy harvesting technology,and set up math model. Simulation on property of energy harvester is carried out by numerical analysis software,prototype with four annular cantilevers is made. Theoretical and experimental models are presented. Based on state space equations,numerical analysis are performed. Open-circuit voltage and voltage output load resistance at different accelerations of low-frequency 0 ~500 Hz vibration sources are obtained by experiment and the experimental result is compared to theoretical result.

关 键 词：压电 原理样机 低频 环形悬臂梁 

分 类 号：TH703[机械工程—仪器科学与技术]