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论文编号:TX419 论文字数:20983,页数:43
摘要
传统的闭路电视系统,其管理方式是人工独立管理分布在各房间的闭路电视,不但管理过于分散而且人工劳动强度大,在大型的闭路电视系统中,该问题更加突出。本设计的闭路电视管理系统很好的解决了这个问题,该系统只需要在主机端有一个用户便能单独和群体控制100台闭路电视,提高了闭路电视系统的管理效率,大大减轻了用户的负担。本次设计的闭路电视管理系统是一个利用单片机应用系统实现由主机端控制分布在各个房间的终端闭路电视。单片机具有体积小、集成度高、功能强、抗干扰能力强、可靠性高、价格低廉、开发较为容易等独特的优点,所以采用单片机系统来实现闭路电视管理系统的设计,使系统有结构简单,安装维护简便,易于推广等诸多优点。本设计的闭路电视管理系统使用89C51单片机来实现对闭路电视的弱电控制强电,并可以根据用户的要求独立和群体控制100台闭路电视。
关键词:独立控制 群体控制 控制器
Abstract
The traditional closed-circuit television system, its management is independent of the management of the closed-circuit television in every room, not only management but also too dispersion of labour-intensive, large-scale closed-circuit television system. the issue more prominent.The design of the CCTV monitoring system a very good solution of this issue, the system only need to have a mainframe-users will be able to separate control group and 100 closed-circuit television to improve the efficiency of the management of closed-circuit television system, greatly reducing the burden on users . The design of the CCTV management system is the use of a microcontroller applications from a mainframe-controlled distribution terminals in various rooms of the closed-circuit television. 89C51is small in size, high integration, strong function, anti-jamming ability, high reliability and low prices, relatively easy to develop unique advantages, the use of 89C51 system to achieve the design of the CCTV management system, System is simple structure, installation and maintenance is simple and easy to promote, and many other advantages.The design of the CCTV management system using the 89C51 on closed-circuit television to achieve the strong, weak control, and can be independent in accordance with the requirements of users and groups control 100 closed-circuit television.
Key words: independent control groups control Controller
目录
1.前言 I
1.1 序言 1
1.2 课题来源及背景 1
1.3闭路电视管理系统的发展和概况 1
1.4 研制闭路电视管理系统的意义 2
2.整体设计思路和方案 3
2.1设计概述 3
2.2方案论证 3
2.2.1设计原理 3
2.2.2方案的选择及本方案的特点 3
2.3闭路电视管理系统的整体框图 5
3.闭路电视管理系统硬件设计 7
3.1 主机设计 7
3.1.1 单片机的选择 7
3.1.2外扩I/O接口电路 10
3.1.3 显示设备 11
3.1.4 输入设备 13
3.1.5看门狗电路 15
3.1.6对讲机的设计 16
3.2 终端电路设计 16
3.2.1 12位二进制串行计数器4040 16
3.2.2逻辑电路设计 17
3.2.3开关量接口设计 19
3.2.4闭路电视管理系统电路图 21
4.软件设计 22
4.1软件完成的任务 22
4.2闭路电视管理系统的软件模块设计 22
4.2.1主机程序设计 22
4.2.2显示程序 23
4.2.3键盘扫描程序 24
5.结论及展望 26
5.1结论 26
5.2闭路电视管理系统的发展方向 26
参考文献 28
附录1:闭路电视管理系统主机电路图 29
附录2:闭路电视管理系统终端电路图 30