振动能量收集系统的研究—电路设计VIP免费

1北京理工大学珠海学院2020届本科生毕业设计振动能量收集系统的研究——电路设计振动能量收集系统的研究——电路设计摘要这些年来随着电子产品在日常生活中的推广应用，各种各样的生活中的电子设备，工业生产中各种特殊设备的供电问题受到人们的广泛关注。基于振动能量的收集系统所研发出来的装置是一种新型的的小型化电源，这种装置能利用周围环境能量来转换为电能。经过能量领域多年研究，发现具有其结构简单、发热量低，不受电磁干扰、体型小巧等显著优点，但现有技术存在不少可改进部分。本文现结合目前国内和国际上学术界所研发的压电式振动能量收集系统技术的最新研究发展状况，使用MATLAB软件中的SIMULINK对标准的能量收集电路做了分析。并设计改进了一款能量收集管理电路。这款电路大幅能提高能量收集效率。关键词：能量收集，压电式，电路设计，管理电路，高效2北京理工大学珠海学院2020届本科生毕业设计3北京理工大学珠海学院2020届本科生毕业设计Researchonvibrationenergycollectionsystem--circuitdesignAbstractInrecentyears,withthepromotionandapplicationofelectronicproductsindailylife,thepowersupplyofvariouskindsofelectronicequipmentandspecialequipmentinindustrialproductionhasbeenwidelyconcerned.Thedevicebasedonthevibrationenergycollectionsystemisanewminiaturizedpowersupply,whichcanusethesurroundingenvironmentenergytoconvertintoelectricalenergy.Afteryearsofresearchinthefieldofenergy,ithasbeenfoundthatithastheadvantagesofsimplestructure,lowheatgeneration,noelectromagneticinterference,smallsizeandsoon.However,therearemanyimprovementsintheexistingtechnology.Inthispaper,basedonthelatestresearchanddevelopmentofpiezoelectricvibrationenergycollectionsystemtechnologydevelopedbydomesticandinternationalacademiccircles,thestandardenergycollectioncircuitisanalyzedbyusingSimulinkinMATLABsoftware.Anenergycollectionandmanagementcircuitisdesignedandimproved.Thiscircuitcangreatlyimprovetheefficiencyofenergycollection.Keywords:energycollection,piezoelectric,circuitdesign,managementcircuit,highefficiency1北京理工大学珠海学院2020届本科生毕业设计目录1绪论...........................................................................................................................................................11.1背景.......................................................................................................................................................11.2当今研究成果........................................................................................................................................21.3振动能量收集装置.................................................................................................................................42压电发电技术原理....................................................................................................................................62.1压电能量转换理论.................................................................................................................................62.1.2压电方程.............................................................................................................................................62.2材料与结构的优化选择.........................................................................................................................82.3本章小结...............................................................................................................................................93能量收集电路的设计.......................................