毕业设计---基于plc的门禁系统设计.doc

基于plc的门禁系统设计 PAGE PAGE 13 本科生毕业设计 毕业设计题目 基于plc的门禁系统设计 学 生 姓 名 袁鑫 所 在 学 院 扬州大学广陵学院 专业及班级 建电80801 指 导 教 师 吴远网 完 成 日 期 2012 年 5 月 摘 要 门禁控制子系统是采用现代电子与信息技术在建筑物内外的出/入对人（或物）的进/出、实行放、行、拒绝、记录和报警等操作的一种电子自动化系统，通常又叫做出/入控制系统。门禁系统在建筑物内的主要管理区，出/入口电梯厅，设备控制中心机房，贵重物品的库房等重要部位的通道口安装门磁，电控锁或控制器，读卡器等控制装置，有管理人员在中心控制室监控，能够对各通道口的位置，通行对象及通行时间，方向进行实时控制或设定程序控制，从而实现对出/入口的安全控制。系统的前端设备为各种出/入口目标的识别装置和门锁启闭装置（执行机构），传输一般采用专线或网络传输，系统的终端为显示/控制/通信设备，可采用独立的控制器，也可以通过计算机网络对各控制器实施集中监控。门禁系统一般要与防盗系统，视频监控系统和消防系统联动，才能有效的实施安全防范。 关键字：电子与信息技术、电子自动化、门磁、电控锁、控制器、读卡器、网络传输。 Abstract The abstract entrance guard control subsystem is uses the modern electron and the information technology/enters inside and outside the building to the human (or thing) enters/, implements puts, the line, refuses, to record and to report to the police and so on the operation one kind of electron automated systems, usually is called/enters the control system.The entrance guard system in building main administrative district, leaves/the entrance elevator lobby, the device control center engine room, the valuables storehouse and so on the important spot passes the road junction to install the gate magnetism, the electrically controlled lock or the controller, read control devices and so on the card, has the administrative personnel in the central control room monitoring, can to each road junction position, the general object and the general time, the direction carries on the real-time control or the hypothesis procedure control, thus realizes to leaves/the entrance safety control.The system front end equipment for each kind of/entrance goal recognition system and the door lock start-stop system (implementing agency), the transmission uses the special line or the network transmissiong enerally, the system terminal for the demonstration/control/communication facili