VB道岔监测系统上位机程序设计+模拟TJWX-2000型信号微机监测系统
Turnout Monitoring System PC Programming Designed
Abstract: Turnout is device that a train from one channel to another shares road turning steering , which is the most critical railway line special equipment directly related to driving safety.Railway signal computer monitoring system could achieve real-time monitoring, remote monitoring and other functions, is the important driving device which to ensure traffic safety, enhance the signal junction device management, device status detection signal and found that signaling equipment problems, failure analysis. Since TJWX-2000 microcomputer monitoring system has been widely used, electrical equipment maintenance services segment signal quality,the conditions of application were significantly improved, maintenance management, security management, technology management also gradually improve toward scientific and modern. In order to maintain a more efficient and accurate computer monitoring system security and reliability, The design uses a more humane VB program to design, under the premise of turnout real-time monitoring achieved efficient and accurate, Provides the operator with a more simple and user-friendly operation with high fault-tolerant recognition interface and intelligent processing functions.
Key Words: turnout; computer monitoring system; real-time monitoring
目 录
1绪论 1
1.1 概述 1
1.2 国内外研究现状与水平 1
1.2.1 国外高速铁路道岔监测现状 1
1.2.2我国铁路道岔监测系统 2
1.3 发展趋势 2
1.4 本论文研究意义 2
1.5 本论文研究方法 3
2 道岔控制电路分析 4
2.1 道岔控制方式 4
2.2 道岔控制原理 4
2.3 道岔启动电路的技术条件 4
2.4 各采集机的功能 5
3 铁路信号微机监测系统 6
3.1 微机监测系统的系统结构 6
3.2 微机监测系统的硬件结构设计 7
3.2.1 系统的设计原则 7
3.2.2 监测系统的结构设计 8
3.3 微机监测系统通信协议 9
3.3.1 PROFIBUS简介 9
3.3.2 PROFIBUS-DP介绍 9
3.4 本设计中微机监测系统的总体结构图 10
4 PLC软硬件设计 11
4.1 STEP 7的简介 11
4.2 用户程序的基本结构 12
4.3 微机监测具体的实现方法 13
4.4 微机监测设计实例与分析 14
4.4.1 硬件部分 14
4.4.2 软件部分 15
5 Visual Basic的分析及设计 17
5.1 Visual Basic的简介 17
5.2 VB与ACCESS通信的简介 18
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