| 高压脉冲电场灭菌设备及其流量控制 |
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| 引用本文： | 林荣华,李伟光.高压脉冲电场灭菌设备及其流量控制[J].机械制造与自动化,2012,41(2):177-179,185. |
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| 作者姓名： | 林荣华 李伟光 |
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| 作者单位： | 华南理工大学机械与汽车工程学院,广东广州,510640 |
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| 摘 要： | 为优化高压脉冲电场灭菌设备的灭菌效果,根据其影响因素进行了系统功能需求分析,设计了设备的总体架构,采用变频调速的方法,设计了基于PLC的流量控制系统.简述了高压脉冲发生器的结构及原理,重点介绍了基于变频调速的流量控制原理与实现,变频器与PLC的RS - 485通信的实现.实验表明,设备实现了关键工艺参数可调可控,运行效果良好,简单可靠地实现了流量的控制,实现了快速高效灭菌.
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| 关 键 词： | 可编程序控制器 流量控制 变频调速 RS-485 触摸屏 |
High- voltage Pulsed Electric Field Sterilization Equipment and Flow Control |
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| LIN Rong-hua
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LI Wei-guang.High- voltage Pulsed Electric Field Sterilization Equipment and Flow Control[J].Machine Building & Automation,2012,41(2):177-179,185. |
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| Authors: | LIN Rong-hua LI Wei-guang |
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| Affiliation: | (School of Mechanical & Automotive Engineering,South China University of Technology,Guangzhou 510640,China) |
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| Abstract: | In order to optimize the sterilization effect of high-voltage pulsed electric field sterilization equipment,this paper analyzes its function according the tactors of the enfluence on the system,designs the overall structure and PLC-based flow control system by the way of frequency control of motor speed,describes the structure and principle of high-voltage pulse generator and the theory and realization of the flow control based on frequency control as well as the realization of communication between inverters and PLC with RS-485.The result shows that the equipment is able to control and adjust key process parameters well,comtro the flow by a simple and reliable way,and achieve high effective and fast sterilization. |
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| Keywords: | PLC flow Control frequency Control of Motor Speed RS-485 touch screen |
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