冷却油路型射流管式伺服阀的热力学研究  

Thermodynamic Study of Jet Pipe Servo Valve with Cooling Oil Channel

作　　者：陈冬冬 CHEN Dongdong(Shanghai Hunter Hydraulic Control Technology Co.,Ltd.,Shanghai 201612)

机构地区：[1]上海衡拓液压控制技术有限公司,上海201612

出　　处：《液压与气动》2018年第4期22-25,共4页Chinese Hydraulics & Pneumatics

基　　金：国家自然科学基金(51206064)

摘　　要：射流管式电液伺服阀因抗污染能力强、灵敏度高、失效对中等特点,被广泛应用于航天、航空、船舶等领域。介绍了冷却油路型射流管式电液伺服阀的结构原理,建立了稳态传热过程的热流量方程。利用有限元软件ANSYS对冷却油路型射流管式电液伺服阀进行了热力学分析,并分析了力矩马达内部温度分布以及热梯度等物理量。试验验证了冷却油路型射流管式电液伺服阀的冷却效果,为冷却油路型射流管式伺服阀的结构设计、热力学研究提供了理论依据。The jet pipe electrohydraulic servo valve is widely applied in the fields of aerospace and shipping with its strong antipollution capability,high sensitivity and low failure,etc.The structure principle of cooling oil channel type jet pipe electro-hydraulic servo valve is presented,and the heat flow equation of steady state heat transfer process is built.The thermodynamic analysis of cooling oil channel type jet pipe electro-hydraulic servo valve is carried out by the FEA software ANSYS,meanwhile,physical quantities of torque motor such as internal temperature distribution and thermal gradients are analyzed.Through the test,the cooling effect of cooling oil channel type jet pipe electro-hydraulic servo valve is verified and demonstrated,and the results provide the theoretical basis for structure design and thermodynamic study of this type of servo valve.

关 键 词：冷却油路 射流管式电液伺服阀 热力学 有限元分析ANSYS 

分 类 号：TH137[机械工程—机械制造及自动化]