基于相变冷却原理的磁场调制型永磁齿轮热管散热优化设计与试验研究  

Optimal design and test research on heat dissipation of field modulated permanent magnetic gear heat pipes based on phase-change cooling principle

作　　者：王晋中 于成伟 周钰峰 罗帅 郝秀红[2] WANG Jinzhong;YU Chengwei;ZHOU Yufeng;LUO Shuai;HAO Xiuhong(State Power Investment Corporation Research Institute Co.,Ltd.,Beijing 102209,China;School of Mechanical Engineering,Yanshan University,Qinhuangdao 066004,China)

机构地区：[1]国家电投集团科学技术研究院有限公司,北京102209 [2]燕山大学机械工程学院,秦皇岛066004

出　　处：《机械传动》2025年第4期133-138,共6页Journal of Mechanical Transmission

摘　　要：【目的】针对磁场调制型永磁齿轮(Field Modulated Magnetic Gear,FMMG)易损耗、双转子气隙机械结构散热困难、影响运行稳定性的问题,考虑到FMMG结构在一般风冷条件的局限性,提出了基于相变冷却热管的调磁环高效散热方案。【方法】针对输出转子调磁环散热问题,以一台132 kW磁场调制型永磁齿轮为研究对象,将热管散热方式引入到调磁环中,设计出一种风冷型热管散热结构;并采用仿真与试验相结合的方法验证了该方案的有效性。首先,建立一般风冷条件下的永磁齿轮空间流场模型,对永磁齿轮内部流场进行仿真分析;然后,根据损耗情况优化设计热管散热调磁环结构,通过仿真对比出加装热管前后调磁环散热效果;最后进行了试验验证并将该技术应用至工程样机。【结果】研究表明,基于相变冷却原理的热管技术能够对调磁环进行高效散热,同工况下调磁环温升有效降低约9℃,可作为一种空间集约型散热方案,以有效提高永磁齿轮运行稳定性。[Objective] In response to the problems of easy wear and tear,difficult heat dissipation of the dual rotor air gap mechanical structure,the impact on the operational stability of field modulated magnetic gears(FMMGs),and considering the limitations of FMMG structure under general air cooling conditions,an efficient heat dissipation scheme based on the phasechange cooling heat pipe was proposed.[Methods] Focusing on the heat dissipation problem of the modulated ring(output rotor)and taking a 132 kW FMMG as the research object,by integrating heat pipe heat dissipation method into the modulated ring,an air-cooled heat pipe heat dissipation structure was formed.The effectiveness of this scheme was verified through a combination of simulation and tests.Firstly,a flow field model of the FMMG under the general air-cooling condition was established,and the internal flow field of the FMMG was simulated and analyzed.Secondly,the structure of the heat pipe heat dissipation and the modulated ring were optimized according to the loss situation,and the heat dissipation effect of the modulated ring before and after installing the heat pipe was compared through simulation.Finally,the test verification was carried out,and the technology was applied to the engineering prototype.[Results] The research shows that the heat pipe technology based on the principle of phase-change cooling can efficiently dissipate heat from the modulated ring,effectively reduce the temperature by 9 ℃ of the modulated ring under the same working conditions.It can be considered as a space-intensive heat dissipation scheme,effectively improving the operational stability of FMMG.

关 键 词：磁场调制型永磁齿轮 热管 风冷 温度场 损耗 

分 类 号：TH132.41[机械工程—机械制造及自动化]