摘要:在21世纪这个信息全球化的时代,可以说通信和电子行业都得到了很大的发展,所以随着社会的发展,随着科技和经济水平不断的进步,随着生活节奏的加快,人们开始越来越关注各种家用电器的智能化和远程控制问题,对日常的家用电器实施远程控制和监测将成为人们生活中必不可少的需求。35200
因此本论文便是研究探讨了一种远程监控系统,此系统是利用有线电话网络以及移动电话终端组成的,采用移动电话的终端进行远程访问的话,对任何电话线路联网区,控制范围都可以达到,因而此系统具有良好的适用性。
为了实现对各式家电进行远程控制的目的, 本文对远程控制器进行了深入的探讨,设计出了一种由STC89C52单片机控制的系统,该系是由实现电话接DTMF(双音多频)信号来完成对各式家电的远程控制, 文中对控制系统进行了详细介绍,也对系统的各芯片、模块、硬件配置、软件设计及其工作原理和功能介绍进行了全面的阐述。
毕业论文关键词:电话 远程监控 家电
The remote monitoring system based on DTMF Technology
Abstract:In twenty-first Century the information era of globalization, communications and electronics industry can be said to have been great development, so with the development of society, along with the technical and economic level of continuous progress, with the accelerated pace of life, people began to pay more and more attention to the intelligent and remote control of various household appliances, remote control and monitoring of implementation household appliances will become indispensable to people's life demand.
Therefore, this thesis is to investigate a remote monitoring system, this system is composed by the wired telephone network and mobile telephone terminal, remote access terminal using mobile phone case, for any telephone line network, control range can be achieved, and the system has good applicability.
In order to realize the remote control of all kinds of home appliances, this paper discusses the remote controller, designed a system controlled by STC89C52 single-chip microcomputer, the system is implemented by telephone DTMF (DTMF) signal to complete the remote control of home appliances, the control system are discussed. In detail, also expatiate on the chip, system module, hardware configuration, software design and its working principle and function introduction.
Keywords:Phone remote monitoring Household appliances
目录
1 绪 论 1
1.1 课题背景 2
1.2 方案论证 3
1.3 远程控制系统概述 4
1.4 课题研究的目的及意义 5
2 硬件电路设计 5
2.1 相关芯片及模块简介 5
2.1.1 PH8810简介及功能 5
2.1.2 HT9200简介及原理 5
2.1.3 24c02简介 6
2.1.4 DS18B20简介 7
2.2 双音多频DTMF解码电路 7
2.3 单片机控制单元 10
2.4 电话接口 11
2.5 上位机通信 12
2.6 环境温度检测 13
3 软件设计 13
3.1 部分操作协议 14
3.2 单片机程序设计 15
4系统PCB制作及调试 15
4.1硬件制作与调试 16
4.1.1系统PCB板的设计 16
4.1.2 硬件调试 16
4.2 主控程序调试 17
5 结论 17
6 致谢 18
参考文献 19
附录 1 20
1 绪 论
1.1 课题背景
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