電力機車彎道速度遙控--信號發(fā)射系統(tǒng)畢業(yè)論文.doc

本科畢業(yè)論文（設(shè)計）論文題目：電力機車彎道速度遙控信號發(fā)射系統(tǒng)學(xué)生姓名：所在院系：機電學(xué)院所學(xué)專業(yè)：機電技術(shù)教育導(dǎo)師姓名：完成時間：1摘要本文簡要介紹了目前的電力機車彎道速度遙控技術(shù)的發(fā)展概況，分析了電力機車彎道速度遙控系統(tǒng)的基本原理。該項技術(shù)以最新推出的電力機車彎道速度遙控系統(tǒng)的核心單片機接收控制系統(tǒng)為中心，以信號的發(fā)送和接收以及提示報警系統(tǒng)為輔助，設(shè)計了電力機車彎道速度遙控的信號發(fā)射系統(tǒng)、信號接收系統(tǒng)、單片機接收控制系統(tǒng)和接收報警系統(tǒng)。本課題著重對其中的接收報警系統(tǒng)進行了詳細的介紹。接收報警裝置是以MCS-51系列單片機為核心,采用無線遙控發(fā)射接收元件作為機車到達彎道的檢測元件,以優(yōu)質(zhì)的單片語音錄放電路作為語音報警系統(tǒng),根據(jù)單片機接收到的不同位置的編碼信號,使系統(tǒng)發(fā)出相應(yīng)的語音報警信號進行報警。關(guān)鍵詞：電力機車，彎道速度遙控，單片語音錄放電路，無線遙控發(fā)射接收元件，單片機2AbstractThisarticlebrieflyintroducesthedevelopmentofcurvespeedremotecontrolingtechnologyofelectriclocomotivesandanalysisthebasicprincipleofcurvespeedremotecontrolingsystemofelectriclocomotives.Thetechnologytakessingle-chipreceivercontrolingsystem,whichisacoreofthelastestcurvespeedremotecontrolingsystemofelectriclocomotives,asacenter.Ittakessignalsending,receiving,promptingandalarmsystemsasasecondary.Thistopicisadesignofthesignallaunchingsystem,signalreceptionsystem,single-chipreceivercontrolingsystemandreceiving-alarmsystemofthecurvespeedremotecontrolingtechnologyofelectriclocomotives.Thistopicfocusesonthereceiving-alarmsystemindetailedintroduction.MCS-51seriesmicrocontrollerisacoreofthereceiving-alarminstallations.Theinstallationsadoptswirelessremotecontrollaunching-receivingcomponentsasthedetectcomponentswhenlocomotivereachescurve.Ittakeshighqualitymonolithicpronunciationrecordingandsending-outelectriccircuitaspronunciationalarmsystem.Accordingtothedifferentpositioncodedsignalwhichmicrocontrollerreceives,installationsissuedspronunciationalarmsignals.Keywords:Electriclocomotives，Curvespeedremotecontroling，Monolithicpronunciationrecordingandsending-outelectriccircuit，Wirelessremotecontrollaunchingreceivingcomponents，MCS-51microcontroller3目錄1緒論.42發(fā)射電路.52.1調(diào)頻發(fā)射機的性能指標.52.2FM調(diào)制器.62.2.1中小規(guī)模集成塊構(gòu)成的FM調(diào)制器.62.2.2大規(guī)模集成塊構(gòu)成的FM調(diào)制器.92.2.3前級功率放大器.122.2.4末級功率放大器.132.2.5直流穩(wěn)壓電源.173接收電路.18