增程式汽车发电机噪声机理分析与控制  

Analysis and Control of Noise Mechanism in Range-extended Electric Vehicle Generators

作　　者：黄煜明 郭新华[1] 李昭代 陈昆 陈瑞培 陈奋裕 郭辉 HUANG Yuming;GUO Xinhua;LI Zhaodai;CHEN Kun;CHEN Ruipei;CHEN Fenyu;GUO Hui(School of Information Science and Engineering,Huaqiao University,Xiamen Fujian 361000,China;Xiamen Weizhi Electric Technology Co.,Ltd.,Xiamen Fujian 361000,China;School of Mechanical and Automotive Engineering,Shanghai University of Engineering Science,Shanghai 201620,China)

机构地区：[1]华侨大学信息科学与工程学院,福建厦门361000 [2]厦门唯质电气科技有限公司,福建厦门361000 [3]上海工程技术大学机械与汽车工程学院,上海201620

出　　处：《微电机》2023年第10期70-76,共7页Micromotors

基　　金：国家重点研发计划“新能源汽车”专项-“基于自主核心器件的先进电机控制器研发”项目的子课题“薄膜电容介质电场击穿机理及长期高温衰变特性研究”(2022YFB2502802);国家自然科学基金面上项目(52277049);福建省高校产学合作项目(2022H6026)。

摘　　要：针对增程式汽车发电机运行过程中噪声过大的问题,通过电磁力波特征阶次分析和振动噪声定位分析,并提出了相应的优化方案。首先,通过电磁力波特征阶次分析,探讨了电枢反应和永磁体对电磁力波的影响。其次,通过噪声定位分析,确定了额定工况下噪声的主要成因,并针对该问题提出了改进电机内部转子结构添加转子辅助槽的方案,优化了电机气隙磁密。最后对电机建模进行有限元振动噪声的仿真分析,评估了优化方案的效果,改进后电机噪声显著降低。Aiming at the problem of excessive noise during the operation of the generator of the supercharged vehicle,the electromagnetic force wave characteristic order analysis and vibration noise localization analysis were carried out,and the corresponding optimization scheme was proposed.Firstly,through the electromagnetic force wave characteristic order analysis,the influence of the armature reaction and permanent magnet on the electromagnetic force wave was explored.Secondly,through the noise localization analysis,the main causes of the noise under the rated working condition were identified,and the scheme of improving the internal rotor structure of the motor by adding the rotor auxiliary groove was proposed to optimize the motor air-gap magnetism for this problem.Finally,the simulation analysis of finite element vibration noise was carried out on the motor modeling to evaluate the effect of the optimization scheme,and the noise of the motor was significantly reduced after the improvement.

关 键 词：增程式汽车发电机 电磁振动噪声 电磁力波特征阶次分析 振动噪声定位分析 NVH 有限元仿真 

分 类 号：TM301.43[电气工程—电机]