陕西航空职业技术学院基于C51单片机的烟雾报警器设计摘要随着现代家庭用火、用电量的增加，家庭火灾发生的频率越来越高。烟雾报警器也随之被广泛应用于各种场合。本设计是利用单片机结合传感器技术而开发设计了这一烟雾报警系统。论文中主要针对烟雾报警系统中的各个组成部件进行了介绍，对它的主控电路和外围设备电路之间的接口技术，还有软件方面进行了重点介绍。关键词：报警器、80C51、烟雾传感器AbstractWiththemodernhomewithfire,electricityconsumptionincreases,thefrequencyofhomefiresisgettinghigherandhigher.Smokedetectorshavealsobeenwidelyusedinvariousoccasions.Thisdesigniscombinedwiththeuseofsingle-chipsensortechnologydevelopmentanddesignofthesmokealarmsystem.Themainthesisofthesmokealarmsystemforthevariouscomponentsareintroduced,itscontrolcircuitandperipheralequipmentcircuitinterfacebetweentechnologyandsoftwarehavebeenthefocusofintroduction.目录TOC\o"1-3"\h\z\uHYPERLINK\l"_Toc264070209"1、绪论PAGEREF_Toc264070209\h4HYPERLINK\l"_Toc264070210"1.1烟雾报警器的发展及现状PAGEREF_Toc264070210\h4HYPERLINK\l"_Toc264070211"1.1.1火灾探测技术PAGEREF_Toc264070211\h4HYPERLINK\l"_Toc264070212"1.1.2火灾探测器的发展趋势PAGEREF_Toc264070212\h5HYPERLINK\l"_Toc264070213"1.2论文研究的目的及意义PAGEREF_Toc264070213\h5HYPERLINK\l"_Toc264070214"1.3论文内容PAGEREF_Toc264070214\h6HYPERLINK\l"_Toc264070215"2、基于C51单片机的烟雾报警的设计方案PAGEREF_Toc264070215\h7HYPERLINK\l"_Toc264070216"2.1任务分析PAGEREF_Toc264070216\h7HYPERLINK\l"_Toc264070217"2.2设计方案PAGEREF_Toc264070217\h7HYPERLINK\l"_Toc264070218"2.2.1方案设计思想PAGEREF_Toc264070218\h7HYPERLINK\l"_Toc264070219"2.2.2总体框图PAGEREF_Toc264070219\h8HYPERLINK\l"_Toc264070220"3、系统硬件实现PAGEREF_Toc264070220\h9HYPERLINK\l"_Toc264070221"3.1主控电路设计PAGEREF_Toc264070221\h9HYPERLINK\l"_Toc264070222"3.1.180C51系列PAGEREF_Toc264070222\h9HYPERLINK\l"_Toc264070223"3.1.280C51的基本结构PAGEREF_Toc264070223\h10HYPERLINK\l"_Toc264070224"3.1.380C51单片机的的封装和引脚PAGEREF_Toc264070224\h11HYPERLINK\l"_Toc264070225"3.1.480C51单片机的时钟PAGEREF_Toc264070225\h13HYPERLINK\l"_Toc264070226"3.1.580C51单片机的复位PAGEREF_Toc264070226\h14HYPERLINK\l"_Toc264070227"3.2外围接口电路设计PAGEREF_Toc264070227\h17H