热释电防盗史报警器论文.docx

河北北方学院 毕业论文 题目：MACROBUTTON AcceptAllChangesInDocMACROBUTTON AutoText热释电防盗报警器DOCVARIABLE 大幅度 \* MERGEFORMAT 英文题目：Pyroelectric burglar alarm 院系：信息科学与工程学院 专业：电子信息工程 班级：11401 姓名：XXX 学号：201142344 指导教师：XXX 日期：2015年4月15日 PAGE 26 PAGE \* MERGEFORMAT I 摘要 本论文的课题是设计一款基于单片机的热释电防盗报警器。通过市场调研和查阅相关资料，论证了本设计的必要性和可行性。文中主要论述了该防盗报警器各个模块的详细设计过程。设计从总体方案的设计入手，对红外收发模块、热释电感应模块、报警电路模块等进行了相关的分析、选择及最终方案的确定；首先，通过Protel绘制出热释电防盗报警器的电路图，根据电路图我们可以清晰的了解每个模块的具体情况，并且生成PCB图，之后，我们可以根据PCB图焊接电路、连接电路并进行调试。 本设计用单片机作为控制单元，人体感应作为信号触发，近距离红外收发模块作信号传输，蜂鸣器（或扬声器）作报警装置。当单片机收到红外收发模块发出的预警信号后，进入预警状态，热释电感应模块接收到信号时，改变输出电压，单片接接收到它的信号后，发送指令到报警模块使报警器报警。 本课题开发设计的热释电防盗报警器体积小、结构紧凑、技术先进、成本低、生产率高、实用性强，普及性高。 关键词：单片机；红外收发模块；热释电感应模块；蜂鸣器；LED数码管  ABSTRACT This thesis project is to develop a design based on single-chip pyroelectric burglar alarm.Through market research and access to relevant data, demonstrates the necessity and feasibility of this design.This paper mainly discusses the detailed design process of the burglar alarm each module.Design from the design of overall scheme of the infrared transceiver module, heat release electric induction module, alarm circuit module and so on has carried on the related analysis, select and determine the final plan of;Protel software is used to map the final scheme of the design of circuit diagram, by Protel circuit diagrams clearly expresses the design of electrical components each work module connectivity, and generated by Protel diagram and PCB diagram, lay a foundation for the PCB welding, according to the Protel circuit diagram and hardware connection circuit debugging.This design using single chip microcomputer as control unit, the human body induction as a trigger signal, close the infrared transceiver module for signal transmission, buzzer alarm device (or speaker).When the microcontroller after receiving the warning signals of infrared transceiver module, enter a state of alert, and when heat release electric induction module receives the signal, the output of the mod