无线遥控发射器压电自供能发电装置的振动仿真  

Vibration Simulation of Wireless Remote Control Transmitter Piezoelectric Energy Harvesting Generator

作　　者：李丽伟[1] 董晓冬[1] 

机构地区：[1]上海电力学院

出　　处：《上海节能》2017年第1期46-49,共4页Shanghai Energy Saving

摘　　要：本文提出了一种基于压电换能技术的小功率无线遥控装置自供电方案。结合压电学及弹性薄板振动理论,建立了压电双晶悬臂梁自供能发电装置的理论模型,针对该压电发电振子的振动进行了仿真。基于压电片与基板的厚度比及宽度等结构参数以及悬臂梁自由端位移分析了发电装置的电压输出特性。结果表明:当压电片和基板的厚度比为0.5时。压电振子的电压输出达到峰值;压电振子的宽度对压电发电装置的电压输出特性影响较小;而随着激励位移的增大,压电发电装置的电压输出显著增加。The article introduces one kind of small power wireless remote control device energy harvesting solution based on piezoelectric energy transfer technology. Combined with piezoelectric and elastic thin-plate vibration theory, the author builds up theoretical model of piezoelectric double cantilever beam energy harvesting device. Focused on piezoelectric power generation oscillator simulation, based on thickness and width and other structural parameters of piezoelectric and substrate and cantilever beam free end displacement, the author analyzes g en erator voltage output ch arac te r is t ic s . The results showthat piezoelectric oscillator voltage output reaches peak when piezoelectric and substrate thickness ratio is 0.5. Piezoelectric oscillator thickness impact on piezoelectric generator device voltage output is small. Piezoelectric generator device voltage output increases with excitation displacement increases.

关 键 词：无线电门铃 自供电 悬臂梁 压电发电 仿真模拟 

分 类 号：TM619[电气工程—电力系统及自动化]