粮食热泵干燥机触控系统  

Development of Touch Control Systemof Multigrain Heat Pump Dryer

作　　者：朱恩龙[1,2] 郭红莲[3] 景君 张艳 胡云峰[3] 闫传滨 

机构地区：[1]天津科技大学机械工程学院,天津300222 [2]天津市轻工与食品工程机械装备集成设计与在线监控重点实验室,天津300222 [3]天津科技大学,天津300222 [4]天津市傲绿农副产品集团股份有限公司,天津300300

出　　处：《粮油加工（电子版）》2015年第9期40-42,47,共4页Machinery for Cereals Oil and Food Processing Main Contents

基　　金：国家农业科技成果转化项目(2014GB2A100503);天津市大学生创新创业训练计划项目(201410057096)

摘　　要：针对粮食干燥工艺流程,研究设计了杂粮热泵干燥机控制系统,上位机采用威伦通触控屏、下位机采用可编程控制器,分析了控制系统流程图、传感器的选择和上下位机的功能。通过在线模拟表明所设计的热泵干燥机控制系统能够满足杂粮及大宗粮食的控制要求,本控制系统主要特点在于涉及到分段程序控制和变频调节控制,能够最大限度地提高控制系统的通用性。Heat pump dryer control system was designed for muhigrain drying process, WEINVIEW touch screen and pro- grammable controller were used for upper and lower computer system, respectively.Flow chart of control system, sensor selectinn and function of upper and lower computer were analyzed. It showed that designed heat pump dryer control system could meet control requirements of multigrain and bulk grain by online simulation.Control system was mainly characterized by involving segmented program and frequency conversion control which could maximize to improve the versatility of control system.

关 键 词：热泵干燥机 控制流程 位式控制 分段程序控制 变频调节 

分 类 号：TP273[自动化与计算机技术—检测技术与自动化装置]