河南科技学院2010届本科毕业论文(设计)论文题目:红外线电子进出门计数器的设计学生姓名:吕乐飞所在院系:机电学院所学专业:电子信息工程导师姓名:陈艳峰完成时间:2010年5月15摘要本文利用红外线发射、接受模块作计数传感器基于光电检测原理,设计了红外线电子计数器。对于乘客的进出门计数更方便快捷。由于该装置使用了模块化结构及加密、解码技术,解决了抗干扰问题。故工作稳定计数准确。可广泛用于汽车等记录进出门人数的设备。关键词:LED可逆计数器红外线传感器红外线发射驱动器1AbstractUsingtheinfraredemission,acceptmoduleforcountingsensorbasedonthephotoelectricdetectionprinciple,designofinfraredelectroniccounters.Forthepassengersintooutcountmoreconvenientandquick.Becausethedeviceusingmodularstructureandencryption,decoding,solvethetechnicalproblem.Anti-interferenceSostablecountaccurately.Canbewidelyusedinautomobilesrecordintothenumberofdevices.Keywords:LED,Reversiblecounter,Infraredsensors,Infraredemissiondrive23目录1引言..........................................................................................................................11.1课题的来源和意义..........................................................................................11.2国内外“电子售票员”现状..........................................................................11.3方案论证..........................................................................................................11.4设计制作工作步骤..........................................................................................22.计数器设计..............................................................................................................32.1总体设计要求...............................................................................................32.2乘客进出门统计..............................................................................................42.35KHZ红外发射驱动器..................................................................................62.45KHZ带通滤波器..........................................................................................72.5可逆计数器......................................................................................................92.6译码显示电路................................................................................................112.7读卡器电路.....................................................................................................132.8买票按钮........................................................................................................143设计与制作...........................................................................................................153.1原理图输入中的问题与解决........................................................................153.2没有封装的元件――自建封装库................................................................153.3单面布线中的飞线问题................................................................................163.4调试中的问题................................................................................................163.4.1LED缺段问题...........................................................................................163.4.2进出门计数变反问题...............................................................................173.4.3刷卡无动作问题......................................................................