中国机械工程2011，Vol.22Issue(1)：5-9,5.
纯水先导式电磁阀液阻试验研究及特性仿真
Experimental Investigation of Hydraulic Resistances and Characteristics Simulation on Pure Water Pilot Operated Solenoid Valves
摘要
Abstract
To investigate the influences of liquid resistance on the main valve performance, a hydraulic experimental system for pure water was built, and three sizes of throttle nozzles with diameter 1.2mm, 1mm and 0. 8mm were separately serial connected to pilot valve to be tested, then the corresponding pressure-flow characteristics were tested. Using AMESim software, a simulation model was built based on the structure of pilot operated valve. Combining with the experimental data of pressure-flow characteristics, the simulation results of opening pressure, running pressure and poppet displacements were studied. The results indicate that the hydraulic resistance of throttle orifice affects mainly the openning pressure and has only a little influence on the flow characteristics of main valve. The pressure difference between high pressure chamber and low pressure chamber are too small to open the main valve when using 1.2mm throttle oriffice, the openning pressure using lmm throttle orifice is 0.24MPa, 0.8mm is 0.2MPa. Considering that the small hole is easy to choke, then 1mm throttle orifice is the optimization scheme.关键词
水压传动/先导式电磁阀/低压/液阻/AMESim分类
机械制造引用本文复制引用
张德生,赵继云,王振兴,徐展..纯水先导式电磁阀液阻试验研究及特性仿真[J].中国机械工程,2011,22(1):5-9,5.基金项目
"十一五"国家科技支撑计划资助项目(2008BAB36B04) （2008BAB36B04）
江苏省研究生科研创新计划资助项目(CX09B_112Z) （CX09B_112Z）
