1摘 要随着科技与生活质量的提升,现代生活的节奏加快,盗窃、入室抢劫、火灾等事件也随之增加,这毫无疑问地对社会的安定和人民的生活带来了很大的影响。人们在繁忙的生活中,不只是追求能有一个舒适的生存环境,更重视自己的生命和财产安全。因此,选择一种科学而又安全的方式来保护自己显得尤为重要,防火防盗报警器便成为目前需求量最大也最为实用的一种防护装置。本次课题是基于智能住宅安全防护设计的一款具有误报率低、可靠性高、使用方便、性价比高的防火防盗报警器。在本设计中,使用的是 MCS-51 系列单片机,具体的型号是 AT89S51,利用热释电红外探测器 HC-SR501 和雷达式微波探测器 XYC-WB-DC 双重监测盗情,在放火方面,主要从温度和气体浓度及烟雾方面进行入手,分别使用 DS18B20 和 MQ-2 来实现所需要的功能,并结合数字语音录放电路、GSM 电路 、LCD 显示电路以及其他一些辅助电路实现火情盗情的实时语音拨号报警,相较于传统防火防盗报警器,大大提高了监测的准确度以及防护效率,而具有更高的实时性、可靠性。关键词:智能报警;防火防盗;AT89S51;传感器;语音拨号ABSTRACTWith the gradual improving of the science and technology, the quality of life has been better, and the rhythm of modern life is getting faster and faster. At the same time, the theft, robbery, fire and other incidents are becoming more and more. There is no doubt that these events have brought a great impact on the stability of people's lives. In this busy 2social life, people should not be satisfied with the current situation, a comfortable environment, but they pay more attention to their own security of lives and property. Therefore, it is very important to choose a scientific and safe way to protect you. The fire alarm system will become the biggest demand and most practical kind of protection.This design is an alarm with low false rate, high reliability, and easy to use. This cost-effective fireproof and theftproof alarm system was based on intelligent residential security protection. The c...