基于PLC的农用挖掘机电气控制系统的设计  

Design of Electrical Control System for Agricultural Excavator Based on PLC

作　　者：李静[1] 梁文波 Li Jing;Liang Wenbo(Xinxiang Vocational and Technical College, Xinxiang 453000,China;Henan Institute of Economics and Trade Technicians, Xinxiang 453700,China)

机构地区：[1]新乡职业技术学院,河南新乡453000 [2]河南经济贸易技师学院,河南新乡453700

出　　处：《农机化研究》2021年第4期221-224,229,共5页Journal of Agricultural Mechanization Research

基　　金：河南省高等职业院校创新发展行动计划项目(XM06338)。

摘　　要：针对农用挖掘机的工作特性和需求,提出了一种基于S7-200 PLC控制器的农用挖掘机电气控制系统,分析了系统整体框架和实际需求,给出了PLC电气控制系统的软硬件设计。试验结果表明:农用挖掘机可以实现发动机启停控制、转速切换控制、挖掘作业操作和行走控制,对农业现代化的发展具有一定的积极意义。According to the working characteristics and requirements of agricultural excavator,this paper puts forward an electrical control system of agricultural excavator based on s7-200 PLC controller,analyzes the overall system framework and actual requirements,and gives the software and hardware design of the PLC electrical control system.The experimental results show that the agricultural excavator can realize engine start and stop control,speed switch control,excavation operation and walking control,which has certain positive significance for the development of agricultural modernization.

关 键 词：农用挖掘机 电气控制 PLC S7-200 

分 类 号：S222.52[农业科学—农业机械化工程]