Three-phase magnetism gathering type bilateral passive rotor transverse flux permanent magnet motor

Abstract

The invention discloses a three-phase magnetism gathering type bilateral passive rotor transverse flux permanent magnet motor; the three-phase magnetism gathering type bilateral passive rotor transverse flux permanent magnet motor comprises a stator which is composed of a double-H-shaped stator iron core and double-H-shaped permanent magnets, axial upper and lower first and second rotors and an armature coil. The double-H-shaped permanent magnets are magnetized in the circumferential direction, and the magnetization directions of the two adjacent double-H-shaped permanent magnets are opposite;the armature coil is wound in a groove formed after the stator iron core and the permanent magnets are alternately arranged; and two coils at the same circumferential position are reversely connectedin series to form a phase winding. The first rotor and the second rotor are provided with three circles of rotor teeth which are arranged in the radial direction separately, the rotor teeth are connected into a whole through a disc type yoke part, and every two adjacent circles of rotor teeth are staggered by 180/n mechanical angle. When the armature winding is the largest permanent magnet flux linkage, the stator teeth and the rotor teeth are completely overlapped, and the permanent magnets adjacent to the same stator iron core are subjected to magnetism gathering along the circumferential direction to the stator iron core at the same time; and each permanent magnet provides effective magnetomotive force; the magnetic circuit can move in two directions on the upper and lower sides through an axial air gap, so that the utilization rate and the torque density of the permanent magnets are improved.

Description

technical field [0001] The invention relates to a three-phase magnetism-concentrating bilateral passive rotor transverse flux permanent magnet motor, which belongs to the technical field of transverse flux motors. Background technique [0002] The transverse flux motor structure was proposed by German professor Herbert Weh in the early 1980s, which can fundamentally improve the torque density. In traditional permanent magnet motors, the slots of the stator are on the same cross-section. If the cross-sectional area of ​​the coil is increased, the width of the teeth will be reduced, and the magnetic flux will be reduced due to saturation, and the slot sizes are mutually restricted. The stator teeth and armature coils of transverse flux permanent magnet motors are perpendicular to each other in space, the tooth width and coil cross-sectional size are independent of each other, and the magnetic circuit and circuit are decoupled, so higher torque density and power density can be ...

AI Technical Summary

Problems solved by technology

[0013] The technical problem to be solved by the present invention is to provide a three-phase magnetism-gathering double-sided passive rotor transverse flux permanent magnet motor, which realizes magnetism gathering from the permanent magnet to the stator core, and the double

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