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摘要本文详细介绍了一种酒精探测及安全控制系统,该系统安装在汽车上,不用交警和其他人员就能判断司机是否酒后驾车,以确保了司机的安全,又减少了交警等人员的工作量。提出了一种基于MSP430单片机的超低功耗酒精探测控制仪，该仪器安装在汽车内，当驾驶人员进入驾驶室后，可以自动对酒精浓度进行探测，以确保行车的安全。系统可以根据检测到的酒精含量是否超标控制汽车点火器打开或者关闭，如果超标，则驾驶人员无法启动汽车，因此从根本上杜绝了酒后驾车的出现。该系统具有性价比高，智能化程度高，工作稳定可靠的优点。而且可以用在需要控制人体酒精饮用以确保安全的任何场合。一种利用酒精传感器、A/D转换器、单片机、电子锁实现的车载酒精探测系统的硬件和软件实现方法。该系统以单片机为核心,配以检测电路、控制电路、报警电路,从而实现智能车载安全控制服务。由于具有设备检测的主动判断能力,因此具有较高的实用价值。关键词:酒精探测器；呼气判断；单片机；车载山东科技大学学士学位论文ABSTRACTThispaperdescribesalcoholdetectionandsafetycontrolsystem,installedinthecar,trafficpoliceandotherpersonnelcannotdeterminewhetherthedriversaredrivingundertheinfluence,inordertoensurethesafetyofdrivers,butalsoreducethetrafficpoliceandotherstaffvolume.AMSP430MCU'sultra-lowpowerconsumptionbasedonalcoholdetectioncontroldevice,theapparatusinstalledinthecarwhenthedriverenteredthecab,youcanautomaticallydetecttheconcentrationofalcoholinordertoensuretrafficsafety.Systemcandetectwhethertheexcessivecontrolofalcoholignitiontoopenorclose,ifexceeded,thenthedrivercannotstartthecar,sobasicallyputanendtotheemergenceofdrinkinganddriving.Thesystemiscost-effective,intelligent,stableandreliable.Andtheneedtocontrolthehumanbodycanbeusedinordertoensurethesafetyofdrinkingalcohol,anyoccasion.Thewaywhichisbymeansofalcoholsensor,A/Dconverter,microcontroller,electroniclocksachievehardwareandsoftwareimplementationofthecaralcoholdetectionsystem.Thesystemmicrocontrollercore,togetherwiththedetectioncircuit,controlcircuit,alarmcircuit,inordertoachieveintelligentvehiclesafetycontrolservices.Duetotheactivejudgmentequipmenttesting,soithashighpracticalvalue.Keywords：Alcoholsensor;Singlechipmicroprocessor;Exhalejudge;Vehicle-mounted目录摘要ABSTRACT1绪论..................................................................................................11.1课题的背景和研究意义...........................................................................................11.2酒精探测控制仪概述...............................................................................................21.3酒精探测控制仪的发展现状和趋势.................................................................21.4本论文的主要研究内容...........................................................................................22酒精检测控制仪的总体分析.........................................................42.1酒精探测控制仪的工作原理...............................................................................42.2酒精探测控制仪的主要功能与特点...................................................................52.3酒精探测控制仪的设计原则.................................................................................62.4系统设计和单片机的选型.......................................................................................63酒精探测控制仪系统的硬件设计...............................................153.1系统的硬件原理框图...............................................................................................153.2酒精传感器原理........................................................................................................163.3电源电路......................................................................................................................193.4复位电路......................................................................................................................193.5键盘输入电路、显示电路和指示灯电路........................................................203.6报警电路......................................................................................................................243.7数据采集电路............................................................................................................253.8继电器控制电路........................................................................................................323.9单片机电路.................................................................................................................333.10其他电路....................................................................................................................344酒精探测控制仪的软件设计.....................................................364.1软件开发环境............................................................................................................374.2系统软件结构............................................................................................................374.3系统软件设计............................................................................................................384.4系统调试......................................................................................................................435总结...............................................................................................45山东科技大学学士学位论文可行性分析………………………………………………………47参考文献...........................................................................................48致谢...................................................................................................50附录一...............................................................................................51附录二……………………………………………………………53山东科技大学学士学位论文11绪论1.1课题的背景和研究意义在2009年中国出现了多起严重的交通事故，造成了重大的人员伤亡和财产损失，究其主要原因是司机酒后驾驶。酒后驾车容易发生交通事故，为了减少或杜绝这种现象，通常是采用呼气酒精测试仪对驾驶人员进行现场检测，以确定驾驶人员是否饮