Rotor for motor, drive motor and vehicle

A drive motor comprising:

• a rotor comprising:
• a rotor core comprising:
• a plurality of groove groups distributed along a peripheral direction of the rotor core, each groove group comprising an air groove, a first groove, and a second groove, wherein respective first ends, near a center point of the rotor core, of the air groove, the first groove, and the second groove are close to one another, and respective second ends, away from the center point of the rotor core, of the air groove, the first groove, and the second groove are away from one another;
• a first magnetic isolation structure arranged between the first end of the air groove and the first end of the first groove that are close to each other;
• and
• a second magnetic isolation structure arranged between the first end of the first groove and the first end of the second groove that are close to each other;
• wherein:
• the second ends, away from the center point of the rotor core, of the air groove, the first groove and the second groove are distributed along a first rotation direction of the rotor;
• and
• each of the groove groups is asymmetrical about a line through a center of a smallest sector of the rotor core that encompasses the respective groove group;
• a plurality of first permanent magnets each mounted in a respective first groove;
• and
• a plurality of second permanent magnets each mounted in a respective second groove.

A vehicle comprising:

• a drive motor comprising:
• a rotor comprising:
• a rotor core comprising:
• a plurality of groove groups distributed along a peripheral direction of the rotor core, each groove group comprising an air groove, a first groove, and a second groove, wherein respective first ends, near a center point of the rotor core, of the air groove, the first groove, and the second groove are close to one another, and respective second ends, away from the center point of the rotor core, of the air groove, the first groove, and the second groove are away from one another;
• a first magnetic isolation structure arranged between the first end of the air groove and the first end of the first groove that are close to each other;
• and
• a second magnetic isolation structure arranged between the first end of the first groove and the first end of the second groove that are close to each other;
• wherein:
• the second ends, away from the center point of the rotor core, of the air groove, the first groove and the second groove are distributed along a first rotation direction of the rotor;
• and
• each of the groove groups is asymmetrical about a line through a center of a smallest sector of the rotor core that encompasses the respective groove group;
• a plurality of first permanent magnets each mounted in a respective first groove;
• and
• a plurality of second permanent magnets each mounted in a respective second groove.