参考声控报警器

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1、郑州大学毕业设计（论文）题目：基于51单片机的温度报警器指导教师：职称：学生姓名：学号：专业：院（系）：完成时间：2014年5月30日摘要当今社会，随着生活节奏的不断加快，电子电器的飞速发展，给广大群众及家庭带来了很大的方便，近年来，随着我国经济的发展和人民生活水平的提高，生活节奏的加快，人们对电子报警器的需求日益增加。电子报警器应用于安全防范，系统故障，交通运输，医疗救护等领域和社会生产密不可分。本课程主要介绍了简易的声控报警器的电路设计和电路板的制作。以此电路为依据只需更换相应的报警显示元件即可改装成不同类型的报

2、警器，如红外报警器,红外线声先报警器等。关键词：NE555；传感器；报警器AbstractNowadays,withthepaceoflifecontinuestoaccelerate,therapiddevelopmentofelectronicandelectricalappliances,tothebroadmassesofthepeopleandthefamilyhasbroughtgreatconvenience,inrecentyears,withthedevelopmentofChina'seconom

3、yandtheimprovementofpeople'slivingstandard,theacceleratedpaceoflife,people'sdemandonelectronicalarmisincreasing.Theapplicationofelectronicalarmtosecurity,systemfault,transportation,medicalaidandsocialproductionareinseparable.Thiscoursemainlyintroducesthecircuit

4、designandcircuitboardproductionsimplevoiceactivatedalarm.Basedonthiscircuitwasonlyneedtoreplacethecorrespondingalarmdisplaydevicecanbeconvertedintodifferenttypessuchasalarm,infraredalarm,infraredsoundtoalarm.Keywords:NE555;sensor;alarm目录引言......................

5、......................................................................................1第一章:绪论...............................................21.1设计概述......................................................21.2设计背景...................................................

6、...21.3设计要求......................................................21.4设计意义......................................................2第二章：方案论证和选择.....................................3第三章：电子报警器和传感器概述.............................43.1报警器概述...............................

7、....................43.1.1报警器简介................................................43.1.2报警器类别................................................43.1.3报警器作用................................................43.2传感器概述3.2.1传感器技术.............................................

8、...53.2.2传感器特点................................................53.2.3传感器定义与作用..........................................53.2.4传感器特性............................................