真空环境用有刷直流电机三维瞬态温度场的计算与分析  

Calculation and Analysis of 3D Transient Temperature Field in Brush DC Motor for Vacuum

作　　者：陈辰[1] 钱华[1] 李志鹏[1] 秦倩倩 杨可新 CHEN Chen;QIAN Hua;LI Zhi-peng;QIN Qian-qian;YANG Ke-xin(No.21 Research Instituteof CETC,Shanghai 200233,China)

机构地区：[1]中国电子科技集团公司第二十一研究所,上海200233

出　　处：《微特电机》2021年第6期34-37,共4页Small & Special Electrical Machines

摘　　要：主要对有刷直流电机在真空环境下的温度场进行了计算和分析,建立了有刷直流电机瞬态温度场三维求解模型,基于有限元方法循环迭代求解电机的温度场,确定电机在0.075 N·m负载工况下的全域温度分布,得到了有刷电机在真空环境下温度分布的规律,将机壳温度仿真值与实测值比较,验证了该方法的准确性和有效性,为该电机不同工况下的温度分布和类似工程应用提供参考。The temperature field of brush DC motor in vacuum environment was calculated and analyzed. A 3 D model for calculating the transient temperature field of brush DC motor was established. The temperature field of motor was solved using finite element method. The global temperature distribution of the motor under 0.075 N·m load condition was determined. Get the temperature distribution rule of brush DC motor in vacuum environment. The obtained results show good agreements with the test data. The accuracy and effectiveness of the method were verified. It provides reference for the temperature distribution of the motor under different working conditions and similar engineering applications.

关 键 词：有刷直流电机 真空 瞬态温度场 

分 类 号：TM331[电气工程—电机]