地铁站风机PLC控制系统设计+文献综述
关键词：地铁隧道；通风控制；可编程控制器；梯形图
Design of Subway Blowers Base on PLC System
Abstract：Many cities are facing a serious problem of traffic congestion, and densely populated areas of air pollution caused by vehicle problems, in order to effectively solve such problems, the government is building underground rail traffic through to alleviate traffic pressure faced by and environmental pollution. Environmental control is vital urban rail transit systems in the world, in normal operation, to create a comfortable environment for passengers, excluding the tunnel preheating; in an emergency situation, you can effectively control the flue gas for the safety of passengers provide a living environment for evacuation. This design is based on the PLC in the subway tunnel ventilation system application, BAS way through the field and remote control through PLC programming and, ultimately, the state of the environment on the subway a variety of control methods, and introduced the subway fan hardware design, PLC election type, fan safety protection design, system software design, PLC ladder design, hardware wiring, and many other content.
Key words：Metro Tunnel；Ventilation control：Programmable Logic Controller；Ladder diagram
目录
1绪论 1
1.1 国内地铁通风设备设计现状 1
1.2 地铁通风系统简介 2
1.2.1 活塞通风 2
1.2.2 机械通风 2
1.2.3 闭式系统 2
1.2.4屏蔽门系统 3
1.3 BAS环境控制系统 3
1.4 本文主要内容 4
2控制系统总体设计 5
2.1 车站空调系统的区分 5
2.1.1车站空调通风系统区分 5
2.1.2隧道通风系统区分 5
2.1.3隧道通风系统 5
2.3 站台排热系统 5
2.3 运行情况分类 6
2.3.1 正常运行状态 6
2.3.2 阻塞运行状态 6
2.3.3 火灾事故运行状态 7
2.4设计思路 7
3 风机控制系统硬件设计 8
3.1 变频器的选择 8
3.1.1 变频器额定电流的选择 8
3.1.2 变频器额定电压的选择 8
3.1.3 变频器额定容量的选择 8
3.2 风机运行状态监测硬件 9
3.3 PLC的设计与选择 9
3.3.1 PLC设计基本内容 9
3.3.2 PLC点位设置 10
3.3.3 PLC的选择 11
3.3.4 PLC各接口的I/0接线图 13
3.4 风机接线设计 13
4软件设计 15
4.1 软件设计流程 15
4.2 梯形图简介 16
4.3 梯形图设计 16
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