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1、摘 要人们生活水平的提高和社会的进步推动着各个领域发展高效率的控制方法，以适应当今高效率的时代要求。方便、快捷、简单，已经成为如今各种灯控系统的研发目标。传统的家庭灯控制系统往往是一个房间一个控制开关，每个开关固定地对应控制着一个灯的亮灭，各个开关和房间之间彼此独立。假如房间较大，楼层较高，则必须步行到每个楼层和房间进行照明灯的关断或者开启,这给当今讲究效率的生活方式带来了诸多不便。随着科学技术的不断发展，人类社会迎来了电子信息时代。为此，借助现代化高科技电子技术和通信技术，本文简要设计了家庭灯控系统。本文根据设计任务的要求进行方案设计，并确定出最优的设计方案。该方案设计出一种具有结构简单、价
2、格低廉、工作性能可靠等特点的家庭灯控系统。本设计方案就是在一个家庭中采用多个控制板连接在总线上。各个控制板间可以互相通信，彼此之间关系对等，没有主从机之分。根据该设计方案，本设计制作了两部可供演示的样机，进一步证明该设计的实际应用性。在文中，主要论述了家庭灯控系统的方案设计、硬件和软件设计。重点阐述系统的结构、相关电路模块设计、系统的程序设计及系统扩展。最后，对本次设计进行了总结。 关键字：通信；家庭灯；AT89S52；MAX485 AbstractWith the improvement of peoples living standard and the promoting of soci
3、al progress, a Efficient control is demanded to meet the High-efficiency requirements of the times. Today, Convenient, quick, easy ，Has become the goals of a variety of lighting control system development. Traditional family lights Control system is always a control switch in a room.b Each switch fi
4、xed to a lamps light and off .Its independent between the switchs and the rooms. We must walk to each floor and room for a lights turn on or turn off. If the room is larger, the floor higher, it has brought a lot of inconvenience to the efficiency of todays lifestyle. With the continuous development
5、 of science and technology, human society entered the electronic information age. Therefore , with modern high-tech electronics and communications technology , this paper is designed home lighting control system .This papers design is according to the requirements of the design task and to determine
6、 the optimal design. The program to design a household lamp control system of simple, low cost and reliable performance characteristics. In the design there are many of panels connected to the bus in a family. The panels can communicate with each other and it is an equal relationship ,there are not
7、Host computer and Slave computer. According to the design, I designed and manufactured two prototypes for demonstration . and further prove that the design of practical application. In the paper mainly discusses the home light control systems design, the hardware and software design. Focus on narrat
8、ive the structure of the system, related circuit module design, system programming and system expansion. Finally, a summary of this design.Key words: communication; family lights; AT89S52; MAX485目 录引言.1 1 通信的介绍及选择.21.1 通信的种类21.1.1 并行通信.21.1.2 串行通信.21.1.3 通信的选择.31.2 串行数据在传输线上的形式和标准31.3 串行通信的数据传输率51.4 串行通信的发送时钟和接收时钟51.5 异步通信协议6 2 灯控系统的总体设计.92.1 家庭概况92.2 无主从机的通信系统解决方案92.3 灯控系统的总体结构92.4 单个控制板的总体原理图10 3 系统的硬件设计.113.1 主要元器件的选取113.1.1 主控制器的选择.113.1.2 控制器的选定及其简介.133.1.3 总线芯片的选定及其简介.153.2 电路原理图设计163.2.2 单片机的引脚控制功能设计.163.2.3 系统时钟电路.
