悬臂梁压电振子发电的研究毕业论文.doc

本科生毕业设计（论文）中文题目：悬臂梁压电振子发电的研究英文题目：StudyonCantileverPiezoelectricVibratorGeneratingElectricity院系：械电子工程学院专业：电子科学与技术摘要随着集成电路和便携式电子设备的应用日益广泛，以化学电池为其主要供能方式存在诸多弊端，如体积大，质量大，供能寿命有限，需要定期更换，以及由此所带来的材料浪费和环境污染等问题，不容忽视。尤其对于目前发展日益迅速的无线网络和嵌入式系统来说，电池供电的这种缺陷更为明显。而压电发电具有结构简单、不发热、无电磁干扰、无污染和易于实现机构的微小化、集成化等诸多优点，且能满足此类低耗能产品的供能需求，而成为目前研究的热点。本文采用理论分析和试验验证相结合的方式，对悬臂梁压电振子发电装置的制备工艺和方法、发电原理、能量转换、输出功率等进行了研究。关键词：悬臂梁压电振子压电发电装置ABSTRACTAsintegratedcircuitandportableelectronicdevicesareusedmoreandmorewidely,chemicalbatteryastheirmainpowersupplyhasbeenfoundmanyshortcomingsthatcannotbeignored,suchasbigvolume,heavyweight,limitedpowerlifetimeandregularreplacement,andthematerialwasteandenvironmentpollutionrelatedtotheseproblems.Theseshortcomingsaremoreapparent,especiallywiththedevelopmentofwirelessnetworkandembeddedsystem.However,piezoelectricgeneratorhasnocomplexstructure,nofever,noelectromagneticinterferenceandnopollution,anditiseasytorealizetheminiaturizationandintegration.Besides,itcanmeetthepowerdemandoflowenergyproduct.Thus,piezoelectricgeneratorisbecomingahotpotsresearch.Thispaperhasadoptedthewayofcombiningtheoreticalanalysisandexperimentaltests,andithasstudiedthefabricationprocessesandmethods,electric-generationprinciple,powerconversionandoutputpowerofcantileverpiezoelectricvibrator.KEYWORDS:Cantileverpiezoelectricvibratorpiezoelectricpowergeneratingmeans目录1绪论.............................................................11.1前言.......................................................11.2压电发电技术的国内外研究现状...............................21.3压电发电技术的应用.........................................41.4本文研究内容...............................................62压电陶瓷基础理论.................................................72.1压电陶瓷概述...............................................72.1.1压电陶瓷及其应用......................................72.1.2压电效应..............................................92.1.3压电陶瓷性能参数.....................................112.1.4压电方程.............................................132.2压电振子.....................