摘要：随着社会和经济的快速发展,科学技术水平的逐渐提高,特别是人们生活节奏的加快,人们对防火、防盗设备的需求大大增加,对偷盗、火灾事故进行检测和报警系统的要求也越高。我国的防火防盗报警系统经历了从零开始，日渐完善的的发展过程,其智能化程度也愈来愈高。目前很多厂家多偏好用于商场、大型仓库、宾馆、高档写字楼等场所大型防火防盗报警系统的研发,采用集中区域报警控制方式,其系统较为复杂、成本高。而在办公室、机房、居民住宅区等小型防火单位,需要设置一种廉价实用的防火防盗探测报警器,因此,研制一种价格低廉、结构简单的防火防盗报警器是很必要的。本论文研究的是以AT89S52单片机为核心的防火防盗报警系统,改报警器不但可以报警,而且反应不同的报警信息,选用热释电红外传感器、烟雾传感器为检测元件,利用多传感器信息融合技术设计的可用于小型农业生产地等火灾、偷盗的报警器。85770

    本论文所设计的防火防盗报警器，操作简单、运行可靠。包括非法闯入报警和火灾报警两种报警类型。采用传感器电路检测非法进入和火灾的发生,一旦出现事故,传感器电路检测到信号后,送至单片机主电路,待单片机响应后,驱动声光报警装置报警。本论文从硬件、软件两方面介绍了报警器的主要功能和特点,详细阐述该报警器的设计思想、工作原理及其实现过程。本报警设备可靠实用、成本低、功能形式灵活,一般用在家庭、仓库和农业生产等小型场所。经过理论分析及现场运行时的考验,证明此设计方案可行,产品性能可靠。

毕业论文关键词：防火防盗报警系统；单片机；烟雾传感器；热释电红外传感器；报警电路;

Abstract : With the rapid development of the Socioeconomic, scientific and technological level increasing, especially the accelerated pace of life, people demand to fire, theft device greatly increased monitoring and alarm system, theft, fire and other accidents requirements is also higher。 Fire burglar alarm system in China has experienced from scratch, from the simple to the complex development process, more and more high degree of intelligence。 At present, many manufacturers more emphasis on research and development for large warehouses, shopping malls, office buildings, hotels and other places large fire burglar alarm system, a centralized regional police control mode, the system complexity, high cost。 Small fire units in residential areas, room, office, need to set up a single regional networking, cheap and practical fire alarm detection alarm, therefore, developed a simple, inexpensive fire burglar alarm is necessary。 This thesis is based on AT89S52 SCM as the core of the fire burglar alarm, not only the police but also the category of alarm information is displayed, the choice of the smoke sensor PIR sensor for the detection of components, the use of multi-sensor information fusion technology design can be used for small-scale agricultural production, such as fire, theft alarm。 

In this thesis, the design and reliable operation, easy-to-fire burglar alarm with anti-theft, anti-fire。 Including fire alarm and illegal intrusion alarm two alarm type。 Sensor circuit detects trespassing and fires the event of an accident, the sensor circuit detects the signal sent to the SCM host application is made until the SCM response, driving sound and light alarm device alarm。 Main functions and features of the alarm from both hardware and software, elaborate alarm working principle, design ideas and implementation process, anti-jamming design, it has a good anti-jamming capability。 The alarm device is low cost, reliable, practical, flexible functional form, is generally used in agricultural production, warehouse and family simple place。 After the theoretical analysis and field operation test to prove that this design is reasonable, reliable products can replace some of the expensive products。