《机电工程》杂志,月刊( 详细... )
中国标准连续出版物号: ISSN 1001-4551 CN 33-1088/TH
主办单位:浙江省机电集团有限公司
浙江大学
主编:陈 晓
副 主 编:唐任仲、罗向阳(执行主编)
总 经 理:罗向阳
出 版:浙江《机电工程》杂志社有限公司
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基于PLC的卧式螺旋离心机控制系统
作者:陈远龙,张凤霞,丁苏赤,万胜美 日期:2007-07-09/span> 浏览:3678 查看PDF文档
基于PLC的卧式螺旋离心机控制系统
陈远龙,张凤霞,丁苏赤,万胜美
(合肥工业大学 特种加工研究所,安徽 合肥 230009)
摘 要:针对某机械厂离心脱水机控制系统的不足,分析了离心脱水机的工作原理及其关键技术,采用变频器调速方式驱动,实现了对污泥泵、转鼓和螺旋输送器的无级调速。结合动力系统的特点与要求,完成了PLC电控系统的操作方便性设计和可靠性设计,结合软件编程,实现了系统的功能。该系统启动平稳,操作方便,同时降低了设备故障率。
关键词:可编程控制器;离心机;变频调速;控制系统
Control system of horizontal screw centrifuge based on PLC
CHEN Yuanlong, ZHANG Fengxia, DING Suchi, WAN Shengmei
(Unconventional Graduate School , Hefei University of Technology, Hefei 230009, China)
Abstract: Aiming at the behindhand control system of horizontal centrifuge of some machinery factory, its work principle and its key technique were thoroughly analyzed, and then converter was adopted to drive electrical motor. Stepless speed regulation of sludge pamp rotor drum, screw conveyor can be actualized. Combining with the characteristic and requirement of dynamical system, facility and reliability of PLC control system were actualized. System functions were realized by software. And the system reduce the failure rate of equipment, it also has steady starting, easy operation.
Key words: programmable logic controller (PLC); centrifuge; frequency control; control system
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