Stator for electric motor, permanent magnet motor with same and compressor

Abstract

The invention discloses a stator for a motor and a permanent magnet motor and a compressor thereof. The stator includes: a stator core, the stator core includes a yoke and a plurality of teeth; a plurality of wires insulated and installed on the yoke Conductor pairs, each wiring conductor pair includes incoming wiring conductors and outgoing wiring conductors located on both sides of the teeth; stator windings, stator windings include transition wires and multiple coils, and each coil has a wire drawn from both sides of the tooth The incoming wire terminal and the outgoing wire terminal, the incoming wire terminal and the corresponding incoming wire conductor are located on the same side of the tooth and connected, the outgoing wire terminal and the corresponding outgoing wire conductor are located on the same side of the tooth and connected, adjacent And the two coils in the same phase are respectively the first coil and the second coil, and the outgoing wiring conductors connected to the first coil and the incoming wiring conductors connected to the second coil are arranged alternately and connected by transition wires. According to the embodiment of the present invention, the problem of crossing wires in the slot of the stator is advantageously solved.

Description

technical field [0001] The invention relates to the technical field of motors, in particular to a stator for a motor, a permanent magnet motor with the stator and a compressor. Background technique [0002] With the development of the modern economy, the requirements for the cost performance (performance / cost) of air conditioners are getting higher and higher. The high energy efficiency and low cost of compressors as the core components of air conditioners have become the subject of industry research. -Motors put forward higher requirements. [0003] In related technologies, the main idea of ​​improving the cost performance of motors is to miniaturize the motor, that is, to minimize the volume of the motor when the power output and performance meet the requirements, so as to reduce the cost of the motor. [0004] From the perspective of electromagnetic analysis, when the same slot and pole match the same material, the performance of the motor is limited; if the slot and pol...

AI Technical Summary

Problems solved by technology

[0005] However, there is a problem with the multi-slot and multi-pole slot-pole cooperation, that is, the winding wire will cross the wire in the slot, so for the centralized winding, there is a cross-wire in the gap between the coil and the coil, and the winding process The wire is easily scratched by the winding nozzle, and because of the existence of the transition wire, the manufacturing cycle will be slowed down, which will affect the efficiency of the motor manufacturing; especially for the segmented motor, if there is a cross wire in the slot, it will affect the full rate of the motor slot Further improve

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