删除或更新信息,请邮件至freekaoyan#163.com(#换成@)

一种低频压电俘能器准静态分析与能量收集试验

本站小编 Free考研考试/2021-12-21

本文二维码信息
二维码(扫一下试试看!)
一种低频压电俘能器准静态分析与能量收集试验
Quasi-Static Analysis and Energy Collection Experiment on a Low-Frequency Piezoelectric Energy Harvester
投稿时间:2016-02-26
DOI:10.15918/j.tbit1001-0645.2017.06.019
中文关键词:压电俘能器低频数学模型试验验证充电试验
English Keywords:piezoelectric energy harvesterlow-frequencymathematical modeltest verificationcharging experiment
基金项目:国家"八六三"计划项目(SS2013AA011104)
摘要点击次数:852
全文下载次数:1124
中文摘要:
针对环境中的低频振动能量,基于低频悬臂梁压电结构,建立了压电俘能器的准静态振动模型,并通过数值仿真与试验对其进行了验证.结果显示,数学模型与数值仿真及试验结果相吻合.当该结构在一阶谐振(58.9 Hz)状态,且激励加速度10 m/s2时,结构开路输出电压可达86.3 V,最大输出功率为27.5 mW.另外,针对压电俘能器的能量存储问题,采用LTC3588-1芯片,设计了相应的能量采集电路,并进行了超级电容充电试验.结果显示,对0.22F 5 V超级电容充电6 000 s可达到3.6 V电压.
English Summary:
For the low frequency vibration energy in daily environment, based on the cantilever beam piezoelectric structure with low frequency, the harvester's quasi-static vibration model was built, and corresponding simulation and experiments were conducted to verify the model. The research results show that the results of the mathematical model are in good agreement with the results of the simulation and experiments. When the structure was in a state of resonance (58.9 Hz), and the acceleration was 10 m/s2, the open circuit output voltage could reach 86.3 V and the maximum output power 27.5 mW. In addition, to solve the energy storage problem of the piezoelectric harvester, LTC3588-1 chip was used to design the energy harvesting circuit. With the energy harvesting circuit, the charging test of the super-capacitor was conducted. The results show that it takes 6 000 s for the voltage of the 0.22 F 5 V super-capacitor to rise from 0 V to 3.6 V.
查看全文查看/发表评论下载PDF阅读器
闂傚倷绀佺紞濠傖缚瑜旈、鏍幢濡炵粯鏁犻梺閫炲苯澧撮柣鎿冨亰瀹曞墎鎹勬潪鏉挎瀳闂備線鈧偛鑻晶浼存煕閻樻煡鍙勭€规洏鍨芥俊鍫曞炊閵娿儺浼曢梺鑽ゅ枑閻熴儳鈧凹鍙冨鎶藉醇閵夛妇鍘遍梺褰掑亰閸撴瑩銆冨▎鎴犵<闁告瑦锚瀹撳棛鈧娲忛崝鎴﹀极閹剧粯鏅搁柨鐕傛嫹闂傚倷鐒︾€笛呯矙閹达附鍎斿┑鍌氭啞閸嬬喐绻涢幋娆忕仼缁绢厸鍋撻梺璇查濠€杈ㄦ叏鐎靛摜涓嶆い鏍仦閻撴洘绻涢崱妯哄濠⒀屽墯缁绘繈鍩€椤掑嫬绠ユい鏃€鍎冲畷銉モ攽閻愬弶顥為悽顖滃仱婵″爼顢曢敂鐣屽幐闂佺ǹ鏈粙鎾诲箠閸℃瑦鍋栨繛鍡樻尰閻撴洘淇婇娆掝劅闁稿孩鍨圭槐鎾诲磼濮樺吋楔闂侀€炲苯澧存繛浣冲吘娑樷槈閵忊€充函濠电姴锕ら悧濠囧疾椤掑嫭鐓ラ柣鏇炲€圭€氾拷
相关话题/北京 实验室 北京理工大学 科学 技术

闂傚倷绀佺紞濠傖缚瑜旈、鏍幢濡炵粯鏁犻梺閫炲苯澧撮柣鎿冨亰瀹曞墎鎹勬潪鏉挎瀳闂備線鈧偛鑻晶浼存煕閻樻煡鍙勭€规洏鍨芥俊鍫曞炊閵娿儺浼曢梺鑽ゅ枑閻熴儳鈧凹鍙冨鎶藉醇閵夛妇鍘遍梺褰掑亰閸撴瑩銆冨▎鎴犵<闁告瑦锚瀹撳棛鈧娲忛崝鎴﹀极閹剧粯鏅搁柨鐕傛嫹闂傚倷鐒︾€笛呯矙閹达附鍎斿┑鍌氭啞閸嬬喐绻涢幋娆忕仼缁绢厸鍋撻梺璇查濠€杈ㄦ叏鐎靛摜涓嶆い鏍仦閻撴洘绻涢崱妯哄濠⒀屽墯缁绘繈鍩€椤掑嫬绠ユい鏃€鍎冲畷銉モ攽閻愬弶顥為悽顖滃仱婵″爼顢曢敂鐣屽幐闂佺ǹ鏈粙鎾诲箠閸℃瑦鍋栨繛鍡樻尰閻撴洘淇婇娆掝劅闁稿孩鍨圭槐鎾诲磼濮樺吋楔闂侀€炲苯澧存繛浣冲吘娑樷槈閵忊€充函濠电姴锕ら悧濠囧疾椤掑嫭鐓ラ柣鏇炲€圭€氾拷