1、 共27页 第1页 摘要摘要 近年来， 随着改革开放的深入发展， 电子电器的飞速发展.人民的 生活水平有了很大提 高。各种高档家电产品和贵重物品为许多家庭所拥有。 然而一些不法分子也是越来越多。 这点就是看到了大部分人防盗意识还不够强.造成偷盗现象屡见不鲜。因此，越来越多的居 民家庭对财产安全问题十分担忧。 报警器这时正为人们解决了不少问题.但是市场上的报警器大部分都 是用于一些大公 司财政机构。价格高昂,一般人们难以接受。如果再设计和 生产一种价廉、性能灵敏可靠的 防盗报警器，必将在防盗和保证财产安全 方面发挥更加有效的作用。由于红外线是不可见 光，有很强的隐蔽性和保 密性，因此在防盗、警戒
2、等安保装置中得到了广泛的应用，此外， 在电子 防盗、人体探测等领域中，被动式热释电红外探测器也以其价格低廉、技 术性能 稳定等特点而受到广大用户和专业人士的欢迎。 关键词：单片机，外传感器，报警器 共27页 第2页 ABSTRACT In recent years, along with the further development of reform and opening up, the rapid development of electronic appliances. The peoples living standards have greatly improved. All k
3、inds of high-grade household appliance and valuables for many families owned. However, some illegal is more and more. This is the most people see anti-theft consciousness is not strong. Also caused by common phenomenon theft. Therefore, more and more people to property safety problem family concern.
4、 Alarm is for people to solve a lot of problems on the market. But most are used in some alarm company financial institutions. High prices, it is difficult for people to accept. If a design and production cost, sensitive and reliable performance, the burglar alarm system will be in play and ensure safety is more effective. Because there is no light, infrared and strong concealment, therefore in security, such security device against are widely applied in electronics, in addition, security
