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.
2019,41(1): 96-101 收稿日期：2018-04-17
DOI：10.3404/j.issn.1672-7649.2019.01.018
分类号：TK427
基金项目：工信部联装函（[2017]21号）；国家自然科学基金资助项目（51379169）；交通运输部应用基础研究资助项目（2014329811300）
作者简介：贺玉海(1976-),男,副教授,研究方向为内燃机电子控制技术
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