柴油机喷油控制用电磁阀的温度场仿真与优化
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摘要
利用Ansys软件对电磁阀的温度场进行建模仿真,重点分析了电磁线圈通电时间及环境温度的影响,以及电磁阀温度场分布情况;对电磁阀进行发热温升试验,试验结果表明仿真结果能够准确地反映电磁阀实际温度分布。提出了电磁阀降温优化的思路,仿真分析和试验结果表明:在环境温度为50℃时,优化后的电磁阀温升较优化前降低了11.3℃,提高了电磁阀的工作可靠性。
Using Ansys to simulate the temperature field of the solenoid valve, which considering the influence of the time and environment temperature. The simulation obtain of temperature field distribution of the solenoid valve. An experiment was conducted, and the experiment result shows the simulation results can accurately reflect the actual working conditions. The idea of cooling optimization for solenoid valve is put forward, the simulation analysis and tests result show that, at ambient temperature of 50 ℃, the temperature rise of the optimized solenoid valve is reduced by 11.3 ℃ before optimization.Ensure the stability of the solenoid valve in the process of operation.
Using Ansys to simulate the temperature field of the solenoid valve, which considering the influence of the time and environment temperature. The simulation obtain of temperature field distribution of the solenoid valve. An experiment was conducted, and the experiment result shows the simulation results can accurately reflect the actual working conditions. The idea of cooling optimization for solenoid valve is put forward, the simulation analysis and tests result show that, at ambient temperature of 50 ℃, the temperature rise of the optimized solenoid valve is reduced by 11.3 ℃ before optimization.Ensure the stability of the solenoid valve in the process of operation.
引文
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[8]刘艳芳,毛鸣翀,徐向阳,等.液压电磁阀多物理场耦合热力学分析[J].机械工程学报,2014,50(2):139-145.LIU Yan-fang,MAO Ming-chong,XU Xiang-yang,et al.Multidiscipline coupled thermo-mechanics analysis of hydraulic solenoid valves[J].Journal of Mechanical Engineering,2014,50(2):139-145.
[2]MAN J,DING F,LI Q,et al.Novel high-speed electromagnetic actuator with permanent-magnet shielding for high-pressure applications[J].IEEE Transactions on Magnetics,2010,46(12):4030-4033.
[3]范立云,高明春,马修真.电控单体泵高速电磁阀电磁力关键影响因素[J].内燃机学报,2012,30(4):359-364.FAN Li-yun,GAO Ming-chun,MA Xiu-zhen.Investigation on key influencing factors of electromagnetic force of high-speed solenoid valve for electronic unit pump[J].Transactions of CSICE,2012,30(4):359-364.
[4]ANGADI S,JACKSON R,CHOE S,et al.Reliability and life study of hydraulic solenoid valve-part2-experimental study[J].Engineering Failure Analysis,2009,16(3):944-963.
[5]王春民,沙超,孙磊,等.基于ANSYS的直流电磁铁温度场仿真分析[J].液压与气动,2015(12):83-86.WANG Chun-min,SHA Chao,SUN Lei,et al.Simulation temperature field of DC electromagnet based on ANSYS[J].Chinese Hydraulics&Pneumatics,2015(12):83-86.
[6]林抒毅,许志红.交流电磁阀三维温度特性仿真分析[J].中国电机工程学报,2012,36:156-164+10.LIN Shu-yi,XU Zhi-hong.Simulation and analysis on the threedimensional temperature field of AC solenoid valves[J].Proceedings of the CSEE,2012,36:156-164+10.
[7]刘潜峰,薄涵亮,王露.直动电磁阀线圈温度场特性分析[J].核技术,2013(4):265-269.LIU Qian-feng,BO Han-liang,WANG Luo.Analysis of temperature field of direct action solenoid valve[J].Nuclear Techniques,2013(4):265-269.
[8]刘艳芳,毛鸣翀,徐向阳,等.液压电磁阀多物理场耦合热力学分析[J].机械工程学报,2014,50(2):139-145.LIU Yan-fang,MAO Ming-chong,XU Xiang-yang,et al.Multidiscipline coupled thermo-mechanics analysis of hydraulic solenoid valves[J].Journal of Mechanical Engineering,2014,50(2):139-145.