车用永磁同步电机转子增重动平衡方法研究  

Research on Rotor Weight-Increasing Dynamic Balance of Permanent Magnet Synchronous Motor

作　　者：李全 苍衍 赵慧超 苏肇明 林展汐 刘洋 LI Quan;CANG Yan;ZHAO Huichao;SU Zhaoming;LIN Zhanxi;LIU Yang(China FAW Group Co.,Ltd.,Changchun 130010,China)

机构地区：[1]中国第一汽车集团股份有限公司,长春130010

出　　处：《微特电机》2023年第6期21-26,共6页Small & Special Electrical Machines

摘　　要：新能源车用电机在满足动平衡精度等级的要求下,对产品的尺寸、质量、成本要求较高。为了实现结构更加紧凑、成本指标降低、装配工艺合理,提出了一种转子增重动平衡方法。对比传统的去重动平衡方法,取消去重动平衡板,通过在转子铁心去重孔插入配重销实现增重动平衡。转子铁心去重孔设计满足转子静平衡要求,同时兼顾结构强度及电磁性能指标要求。根据增重动平衡工艺,提出了一种转子总成设计方法,根据增重动平衡理论,通过矢量分解法实现配重销的增重质量最小。该方法结合实际项目应用其转子总成质量降低7%,材料成本降低5%。New energy vehicle motors have higher requirements on the size,weight and cost of products when they meet the requirements of dynamic balance accuracy.In order to achieve a more compact structure,a lower cost,and a reasonable assembly process,a rotor weight-increasing dynamic balance method was proposed.Compared with the traditional weight-removing dynamic balancing method,the weight-removing dynamic balance plate was eliminated,and the weight-removing hole in the rotor core insert counterweight pins to achieve dynamic balance.The weight-removing hole design of the rotor core met the rotor static balance requirements,while taking into account the structural strength and electromagnetic performance requirements.According to the weight gain dynamic balance process,a design method of rotor assembly was proposed.According to the weight gain dynamic balance theory,the weight gain mass of the counterweight pin was minimized by the vector decomposition method.The method combined with the actual project application reduce the weight of the rotor assembly by 7%and the material cost by 5%.

关 键 词：转子总成 增重动平衡 矢量分解法 

分 类 号：TM351[电气工程—电机]