• ISSN 0258-2724
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Volume 27 Issue 2
Apr.  2014
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Journal of Southwest Jiaotong University  > 2014  >  27(2): 297-301.
ZHAO Yuanzhe, LI Qunzhan, ZHOU Fulin, ZHU Peng. Permeability Characteristics of High-Order Harmonics of Traction Network for Three-Phase Power System[J]. Journal of Southwest Jiaotong University, 2015, 28(5): 961-969. doi: 10.3969/j.issn.0258-2724.2015.05.028
Citation: ZHAO Jiyun, ZHANG Desheng, LIU Lei, DING Haigang. Main Valve Structure Design for Water Medium Low-Pressure Large-Flow Pilot Operated Solenoid Valve[J]. Journal of Southwest Jiaotong University, 2014, 27(2): 297-301. doi: 10.3969/j.issn.0258-2724.2014.02.017
shu

Main Valve Structure Design for Water Medium Low-Pressure Large-Flow Pilot Operated Solenoid Valve

doi: 10.3969/j.issn.0258-2724.2014.02.017
  • Received Date: 04 Dec 2012
  • Publish Date: 25 Mar 2014
    Abstract
  • In order to achieve the basic requirements of the large-power valve-control coupling for control valve quick response, high flow capacity, and anti-blocking ability, the main valve with a tail cone structure was designed for a water medium low-pressure large-flow pilot solenoid valve group. The influences of spring stiffness, throttle nozzles diameter, and other parameters on the dynamic and static characteristics of the valve were analyzed using the AMESim simulation software, and accordingly the optimized parameters combination of the solenoid valve group was determined. In addition, a pure water hydraulic test-bed was built to measure the response characteristics of the valve group. The results show that the normal working pressure drop of the designed solenoid valve group is about 0.07 MPa, the opening time is 0.3-0.4 s, and the closing time is about 1 s. The valve group possesses a good low pressure characteristic and a fast response characteristic, which can satisfy the requirements of large-power valve-control coupling.

     

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