[信息与通信]家用风扇控制系统

摘 要

本文介绍了家用风扇控制器是利用基于MCS-51系列单片机程序输出相应的控制信号来控制电路,以达到调节风扇风速强弱、风扇运转状态和开关的逻辑系统，并利用定时器设定时间控制，使风扇的设计更加完善和人性化。

文章首先介绍了MCS-51系列单片机芯片，在第二章论述了总体设计过程，确定了技术指标及器件的选择，第三章着重描述了系统硬件电路设计、硬件设计框图及所使用的各种元件的功能与特性，在第四章中重点剖析了软件设计的过程，最后则是对整个系统的调试和检测。

关键字：LED指示灯 定时器 单片机技术 AT98C51芯片目录

摘要·····················································································Ⅰ

绪论

1.1 课题背景研究的意义和目的··············································· 1

1.2 课题研究的内容······························································ 1

第二章 总体方案设计··········································· ········ 2

2.1 风扇设计方案···································································2

2.1.1 基于FPGA的设计···························································2

2.1.2 采用PLC设计································································2

2.1.3 采用AT89C51系列单片机设计···········································3

2.1.4 三种设计方案的对比·······················································3

2.2 风扇设计过程···································································4

2.2.1 硬件设计过程································································4

2.2.2 软件设计过程································································4

第三章 家用风扇控制器硬件设计······························ ········5

3.1 选用器件的介绍································································5

3.1.1 单片机89C52·································································5

3.1.2 AT89C52的······························································5

3.1.3 AT89C52的特性·····························································5

3.2 89C82 处理器··································································5

3.2.1 89C52处理器功能描述·····················································6

3.2.2 89C52处理器模块结构框图···············································6

3.3 LED显示模块····································································6

3.3.1 LED指示灯功能描述························································6

3.3.2 LED指示灯原理图········