摘要
综述了国内外压电振动发电机的技术发展,阐述了压电发电机工作原理,系统介绍了压电材料与压电换能元件结构形式,重点报道了能量转换接口电路及共振频率调整策略的研究现状。举例说明了压电振动发电机的应用领域,并针对目前研究中存在的问题对压电振动发电机发展趋势进行了预测。随着低功耗微电子技术与微机械加工技术的发展,压电振动发电机在各种MEMS产品、无线传感器网络及低功耗电子设备中的应用将逐渐实用化、普及化。
The current status of piezoelectric generator was reviewed,including the working principles and the species of piezoelectric elements.The energy scavenging circuits and the strategies for increasing the operating frequency range were focused. Some application examples were illustrated and the trends were pointed out according to the problems in current researches.With the development of microelectronic and micromachining technology,the piezoelectric generators will be widely used in powering MEMS,wireless sensor networks and low dissipation electronic devices.
出处
《中国机械工程》
EI
CAS
CSCD
北大核心
2011年第24期3016-3022,共7页
China Mechanical Engineering
基金
国家自然科学基金资助项目(10972102)
关键词
压电发电机
能量采集
同步开关阻尼
频率调谐
piezoelectric generator
energy harvesting
synchronous switch damping
frequency tuning
