CPC H02K 1/146 (2013.01) [H02K 1/16 (2013.01); H02K 3/32 (2013.01); H02K 15/02 (2013.01); H02K 19/10 (2013.01)] | 8 Claims |
1. A stator assembly, comprising:
a strip stator core comprising twelve stator core units, twelve connection parts, and twelve slots; every two adjacent stator core units being connected by one of the twelve connection parts; each slot being disposed between every two adjacent stator core units, and each stator core unit comprising a yoke and a tooth protruding from one end of the yoke; every two adjacent teeth being abutted against each other to form the twelve slots, respectively;
a three-phase coil winding, the three-phase coil winding comprising a U-phase winding, a V-phase winding, and a W-phase winding;
an end insulator, the end insulator comprising a first end insulator and a second end insulator; the first end insulator comprising a first coil-in pin, a second coil-in pin, a third coil-in pin, and a coil-out pin;
wherein:
the first end insulator and the second end insulator are secured to two end faces of the strip stator core, respectively;
the three-phase coil winding is wound on the strip stator core;
the U-phase winding, the V-phase winding, and the W-phase winding are introduced to the strip stator core via the first coil-in pin, the second coil-in pin, and the third coil-in pin, respectively, and leave the strip stator core via the coil-out pin; and
the twelve stator core units are connected to each other to form a circular structure comprising a cavity, and each stator core unit comprises a curved surface; twelve curved surfaces of the twelve stator core units are connected to each other to surround the cavity; the first coil-in pin is disposed on a first position of the first end insulator corresponding to the third stator core unit; the second coil-pin is disposed on a second position of the first end insulator corresponding to the fourth stator core unit; the third coil-in pin is disposed on a third position of the first end insulator corresponding to the fifth stator core unit;
and the coil-out pin is disposed on a fourth position of the first end insulator corresponding to the tenth stator core unit.
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