1、 1本科毕业论文（20 届）远程无线抄表系统的设计所在学院专业班级 电气工程及其自动化学生姓名指导教师完成日期2目 录摘要 .IAbstract.II1 引言 .11.1 本课题的研究目的和意义 .11.2 国内外远程自动抄表系统的发展及现状 .11.2.1 国外发展现状 .11.2.2 国内发展现状: .21.3 本课题的主要研究内容 .21.4 本章总结 .3. 2.1 设计原则 .32.1.1 可靠性原则 .32.1.2 准确度原则 .42.1.3 实用性原则 .42.1.4 智能化原则 .42.2 远程抄表系统总体设计 .42.3 集中器整体结构设计 .52.4 本章总结 .63 集中
2、器硬件电路设计 .63.1 集中器 CPU 介绍 .63.1.1 管脚图及主要引脚介绍 .73.2 CPU 外围模块电路设计 .83.2.1 外部存储电路设计 .83.2.2 振荡电路设计 .93.2.3 复位电路设计 .103.3 LCD 触摸屏模块电路设计 .113.3.1 触摸屏控制电路设计 .113.3.2 LCD 液晶接口电路设计 .123.4 电源电路设计 .133.5 本章总结 .154 GPRS 通信电路设计 .154.1 GPRS 网络特点 .154.2 GPRS 模块 SIM300C 的介绍 .174.3 GPRS 电路设计 .184.3.1 SIM300C 接口电路设计
3、.184.3.2 指示电路设计 .194.3.3 SIM 卡电路设计 .204.3.4 电平转换电路设计 .214.4 本章总结 .215 RS-485 通信电路设计 .225.1 RS-485 通信技术介绍 .225.2 RS-485 总线布线规范 .225.3 RS-485 在远程抄表系统中的应用 .235.4 RS-485 通信电路设计 .2435.5 本章总结 .256 软件设计 .256.1 主程序流程图 .256.2 SIM300C 子程序流程图 .276.3 电能表数据采集及处理子程序 .286.4 本章总结 .297 总结与展望 .297.1 总结 .297.2 展望 .30参
4、考文献 .31致谢 .324ContentsAbstract.I1.Introduction.11.1The purpose and significance of the subject .11.2 Development status and abroad remote automatic meter reading system .11.2.1 Current Situation of Overseas Development.11.2.2 Domestic Development Status:.21.3 The main contents Question.21.4 Chapter
5、Summary .32. The overall design scheme.32.1 Design Principles .32.1.1 Reliability Principle .32.1.2 Accuracy Principle.42.1.3 Applicability Principle .42.1.4 Intelligent Principle.42.2 Remote Meter Reading System Design .42.3 Cconcentrator overall structural design .52.4 This chapter summarizes.63.C
6、oncentrator hardware circuit design .63.1 Introduction CPU concentrator .63.1.1 Introduction pin map and main pin.73.2 CPU peripheral circuit design.83.2.1 External storage circuit design.83.2.2 Oscillation circuit design .93.2.3 Reset Circuit Design .103.3 LCD touch screen module circuit design.113
7、.3.1 Touch screen control circuit design .113.3.2 LCD liquid crystal interface circuit .123.4 Power Circuit Design.133.5 This chapter summarizes.154. GPRS communication circuit design .154.1 GPRS network characteristics.154.2 GPRS module SIM300C introduction .174.3 GPRS Circuit Design .184.3.1 SIM30
8、0C interface circuit .184.3.2 Indication circuit design.194.3.3 SIM card circuit design.204.3.4 Level conversion circuit design .214.4 This chapter summarizes.215.RS-485 communication circuit design.225.1 RS-485 communications technology introduced .225.2 RS-485 bus wiring specification.225.3 RS-485 remote meter reading system .235.4 RS-485 communication circuit design.2455.5 This chapter summarizes.
