电路CAD课程设计方案红外线报警器.docxVIP

电路CAD课程设计报告设计题目：红外线报警器专业班级：电信0903班学号： 2009001286 学生姓名：郝慧琴同组学生：李艳、赵士红红外线报警器摘要近年来，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。防盗就成了一项重要的课题。红外线防盗报警器是一种智能报警系统，可以大大提高了居民家庭的安全程度，有效保证了居民的人身财产安全。由于红外线是不见光，有很强的隐蔽性和必威体育官网网址性，因此在防盗、警戒等安保装置中得到了广泛的应用，通过红外线发射和接受系统来感应是否有人闯入，如果探测到有人闯入，那么系统的报警电路会给人们以提醒。通过介绍热释红外传感器的工作原理，给出了一种被动型热释电红外报警器的结构原理及其应用电路。这种电路把红外线的隐蔽性很好地应用于报警系统中，从而实现了防盗报警功能，达到了安全防护之目的。关键词　被动式红外报警器；热释电红外（PIR）；传感器；热释电效应；菲涅尔 透镜The design of infrared alarm systemAbstractIn recent years, with the deepening of reform and opening-up, electronic and electrical appliances rapid development, peoples living standard has been greatly improved. A variety of high-grade household electrical appliances and the valuables have for many families. However, some lawless elements are also more and more. This is seen most security awareness is not strong enough. Causing steal phenomenon it is often seen. Therefore, more and more households in property safety is concerned about. Security has become an important topic. Infrared anti-theft alarm is a kind of intelligent alarm system, can greatly improve the safety degree of the households, effectively guarantee the residents personal and property safety. Because infrared is not exposed to light, has strong confidentiality and secrecy, therefore in security, alert security device has been widely used, through the infrared transmitting and receiving system for sensing whether someone is breaking into, if the detected someone broke in, then the system will send out alarm sound and light alarm circuit sounds to the people to remind.目录一、设计任务与要求二、方案设计与论证方案一方案二单元电路设计与参数计算1. 电源电路设计(方案一、方案二)1.1整流滤波电路1.2稳压电路2.单元电路——电源电路的原理图及仿真结果3 放大电路的设计3.1 反相交流放大器3.2 同相交流放大器4.比较器电路设计5.元器件的介绍6.电路的总结四、总原理图及元器件清单1.总电路图2.说明3.PCB设计4.元器件清单五、结论与心得六、参考文献设计任务与要求当有人侵入探测区域内，控制器会发出报警信号，且在人离开后，报警器依然工作。报警器要轻便，易安装，造价合理，设计简单。设计一个红外线报警器：当有人闯入控制区域时，报警器发出报警信号；当人离开报警器时，报警器有短至几秒的时间不发出报警信号，之后继续发出报警信号。闯