负磁致伸缩材料对电机振动噪声抑制的分析

doi:1004-7018(2019)04-0025-04

微特电机 ›› 2019, Vol. 47 ›› Issue (4): 25-28.doi: 1004-7018(2019)04-0025-04

负磁致伸缩材料对电机振动噪声抑制的分析

张欣,姚娜,李璞

天津工业大学,天津 300387

收稿日期:2018-08-29 出版日期:2019-04-28 发布日期:2019-04-28
作者简介:张欣(1978—),男,博士,副教授,研究方向为工程电磁场、磁技术应用及电机振动噪声。
基金资助:
国家自然科学基金项目(51577131);天津市高等学校创新团队培养计划项目(TD13-5040)

Analysis of Negative Magnetostrictive Material on Vibration and Noise Suppression of Motor

ZHANG Xin,YAO Na,LI Pu

Tianjin Polytechnic University, Tianjin 300387, China

Received:2018-08-29 Online:2019-04-28 Published:2019-04-28

摘要/Abstract

摘要：

针对硅钢片磁致伸缩效应造成电机振动噪声问题,研究在电机定子硅钢片上打孔并填充负磁致伸缩材料来减小电机振动噪声。建立电磁-机械耦合数值模型,用有限元方法计算并分析了由磁致伸缩效应引起定子结构的振动,得到在电机定子铁心的齿根和齿尖处的振动较大;选择在应力集中的地方打孔,分别计算了填充负磁致伸缩材料Ni和SmFe₂时的应力和振动情况,计算结果显示电机定子应力和振动减小。

关键词: 负磁致伸缩材料, 磁致伸缩效应, 振动噪声

Abstract: Aim

ing at the problem of motor vibration and noise caused by the magnetostrictive effect of silicon steel sheet, a new method was studied that punching holes in a stator silicon steel sheet of a motor and filling material with negative magnetostrictive properties to suppress motor vibration and noise.Electromagnetic-mechanical coupling numerical model was built, and the vibration of stator structure caused by magnetostrictive effect was calculated and analyzed in finite element method. The results show that the vibration of the tooth root and tip of the stator core of the motor was larger. The hole was selected in the place where the stress was concentrated, negative magnetostrictive material Ni and SmFe₂ was filled in. The numerical calculation of stress and vibration was conducted, and the results show that the stator stress and vibration of the motor wasdecreased obviously.

Key words: negative magnetostrictive materials, magnetostrictive effect, vibration and noise

中图分类号:

TM301.4+3

张欣,姚娜,李璞. 负磁致伸缩材料对电机振动噪声抑制的分析[J]. 微特电机, 2019, 47(4): 25-28.

ZHANG Xin,YAO Na,LI Pu. Analysis of Negative Magnetostrictive Material on Vibration and Noise Suppression of Motor[J]. Small & Special Electrical Machines, 2019, 47(4): 25-28.

参考文献

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负磁致伸缩材料对电机振动噪声抑制的分析

Analysis of Negative Magnetostrictive Material on Vibration and Noise Suppression of Motor

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