电液比例方向阀控制电路的硬件设计与仿真  

Hardware Design and Simulation of Electro-hydraulic Proportional Direction Valve Control Circuit

作　　者：袁玉先[1] 邱兆玲 刘钊[1] 林国治[1] 

机构地区：[1]青岛滨海学院实验中心,山东青岛266555 [2]青岛市黄岛区职业教育中心,山东青岛266400

出　　处：《煤矿机械》2015年第2期79-81,共3页Coal Mine Machinery

摘　　要：分析了先导式电液比例方向阀的结构和工作原理,设计了电液比例阀方向线圈的控制电路,提出了一种基于模拟电路与数字电路相结合的控制比例阀线圈的新方法,并进行了分析与仿真,解决了比例方向阀零位死区的流量补偿问题。The paper analyzes the structure and working principle of piloted electro-hydraulic proportional direction valve, designs the control circuit of electro-hydraulic proportional direction valve＇s coil,proposes a new combined-control method of electro-hydraulic proportional direction valve＇s coil based on analog circuit and digital circuit, and carries on the analysis and simulation,solves the problem of flow compensation of dead zone of electro-hydraulic proportional direction valve.

关 键 词：电液比例方向阀 零位死区 流量控制 

分 类 号：TH137.5[机械工程—机械制造及自动化]