Electric automobile drive is with PMSM's stator

• Main Authors: WU CHUNJIN, HE MIN, YAN YUEFENG
• Format: Patent
• Language: Chinese; English
• Published: 22.06.2018
• Subjects: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; DYNAMO-ELECTRIC MACHINES; ELECTRICITY; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERATION; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE

The utility model discloses an electric automobile drive is with PMSM's stator, including stator body, still include the axle sleeve, this axle sleeve is located stator body's center, is equipped witha plurality of crossbeams to this stator center extension on stator body's interior circumference wall, and the extension tip of crossbeam is fixed as an organic whole with the external circumferential wall face of axle sleeve, the equipartition has a plurality of rule grooves that are used for imbedding wire winding group on stator body's the external circumferential wall face. The utility modeldiscloses can make PMSM decide among the rotor core that the magnetic line of force and magnetism are close to distribute evenly, avoid appearing the phenomenon of local saturation. 本实用新型公开了种电动汽车驱动用永磁同步电机的定子，包括定子本体，还包括轴套，该轴套位于定子本体的中心，在定子本体的内圆周壁面上设有多个向该定子中心延伸的横梁，横梁的延伸端部与轴套的外圆周壁面固定为体，所述定子本体的外圆周壁面上均布有多个用于嵌入绕线组的嵌线槽。本实用新型可使永磁同步电机定转子铁芯中磁力线及磁密分布均匀，避免出现局部饱和的现象。