Permanent magnet motor liquid cooling structure and application thereof

• Main Authors: DING KUNSHAN, WU QIONG, CHEN TAO, YIN XUEYAN, YAN BALIN, ZHAO LINJUAN, SU MENG, HUANG LIN, YU YANG, SHANG QINGUI, ZHAO YUANYUAN, WANG QUN
• Format: Patent
• Language: Chinese; English
• Published: 02.08.2024
• Subjects: CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; DYNAMO-ELECTRIC MACHINES; ELECTRICITY; GENERATION

The invention relates to the technical field of motor cooling, in particular to a permanent magnet motor liquid cooling structure and application thereof.The permanent magnet motor liquid cooling structure comprises a stator shell with one closed end, a plurality of outer grooves are formed in the outer side wall of the stator shell in the circumferential direction in an array mode, and inner grooves are formed in the positions, between every two adjacent outer grooves, of the inner wall of the stator shell; the cold circulation assembly is arranged in the outer groove or/and the inner groove and comprises arc elastic pipes and connecting fins, the long side edges of the connecting fins are parallel to the axis of the stator shell, the multiple arc elastic pipes are arranged in an array mode in the direction of the long side edges of the connecting fins, and the arc elastic pipes are fixedly connected to the connecting fins in a sleeving mode; according to the cooling mechanism, the circular arc elastic pipes