智能客车超载检测系统的设计样本.doc

长春工业大学毕业设计、毕业论文题目智能型客车超载检测系统设计学院电气与电子工程学院专业班级电气工程及其自动化090307指引教师唐娜姓名吴飞6月11日指引教师签字：年月日评阅人签字：年月日摘要本文设计了一种客车超载监控系统，以MCS-51单片机为核心，运用反射式红外传感器、方向辨认电路、报警电路、锁定电路设计，可以通过键盘手动设立乘客人数上限值，并用LED显示屏显示车内实时乘客人数。当客车内人数超载时，系统发出声光报警，并通过继电器切断客车电子启动装置，从而将汽车锁定，使之无法行驶。当超载解除后，声光报警也相应解除，客车锁定解除，可以正常运营。本设计共分两某些，硬件系统设计和软件系统设计。硬件某些运用红外传感器和方向辨认电路将乘客上、下车状况进行检测和判断并输入单片机系统。通过单片机系统将解决数据送LED显示，声光报警电路由蜂鸣器和发光二极管构成，用继电器实现对客车启动装置锁定。软件某些用汇编语言进行编程，采用模块化设计思想。该系统通过调试后，可以较好完毕客车超载预警提示，并对超载状况进行有关控制。核心词：客车；超载；监控；单片机IntelligentPassengerOverloadDetectionSystemDesignAbstract:Thispaperillustratesthedesignofacarriageoverloadmonitoringsystem.MCS-51MCUascoreisusedtodesignhardwarecircuitandsoftware.Inthissubjectweuseinfraredsensors,identifycircuitandalarm-circuitlatchcircuittodesignacarriageoverloadmonitoringsystemthatenablesthekeyboardtomanuallysetlimitsonthenumberofpassengersandcanuseLEDatthesametimetodisplaythenumberofpassengersinside.Ifthepassengeroverloading,thesoundandlightalarmsystemcutsoffthebusthroughtheelectroniclaunchdevices.Bydoingthis,theoverloadmonitoringsystemcanlockthecar,sothatthecarcan’tbestarted.Whentheoverloadiscanceled,thesoundandlightwarningiscanceled.Thebusisalsounlockedandcanbeoperatednormally.Thedesignisdividedintotwoparts，hardwaresystemdesignandsoftwaresystemdesign.Thehardwaresystemspartsusesinfractedsensorsandidentifycircuittodetectandjudgethesituationwhetherthepassengersaregettingonoroffthebus.ThissystemcandisplaythenumberofpassengersonLED.ThesoundandlightalarmcircuitiscomposedofbuzzerandLEDs，thelockfunctionofthebus’slaunchdevicesachievesbyusingtherelayunit.Assemblelanguageisusedinthesoftwaresystemandmodularizationdesignideaisadopted.Themonitorsystemcancompleteanalarmbeforehandforoverload，meanwhilethemutualitycontrolwillbeadopted.Keywords：carriage;overloading;monitoring；SCM(singlechipmicrocomputer)目录TOC\o"1-3"\h\z\uHYPERLINK\l_Toc22426第1章绪论PAGEREF_Toc224261HYPERLINK\l_Toc87461.1立题意义PAGEREF_Toc87461HYPERLINK\l_Toc14851.2课题研究任务及目的PAGEREF_Toc14852HYPERLINK\l_Toc67451.3课题重要内容