Outer rotor magnetic bridge transverse flux permanent magnet synchronous motor

Abstract

The invention discloses an outer rotor magnetic bridge type transverse flux permanent magnet synchronous motor. The outer rotor includes a cylindrical outer rotor shell, and the inner stator is arranged in the inner cavity of the outer rotor shell; On the inner wall, there are multiple rows of permanent magnet cells arranged in multiple rows along the axial direction of the outer rotor shell; multiple permanent magnet cells in each row of permanent magnet cells are placed along the inner peripheral surface of the outer rotor shell The circumferential direction is evenly arranged to form a ring. The inner stator includes a stator shaft and at least one annular coil sleeved on the stator shaft. A plurality of stator cores are sleeved on the annular coil, and a magnetic coil is arranged between two adjacent stator cores among the plurality of stator cores. The bridge, the toroidal coil passes through the stator core and the magnetic bridge to form a one-phase stator. The outer rotor magnetic bridge type transverse flux permanent magnet synchronous motor of the present invention can solve the problems of high flux leakage, large cogging torque and high cost in existing transverse flux motors, effectively improve power density, and improve flux leakage At the same time reduce the cogging torque and other advantages.

Description

technical field [0001] The invention relates to an outer rotor magnetic bridge type transverse flux permanent magnet synchronous motor. Background technique [0002] New energy vehicles are one of the seven emerging industries in the country's 12th Five-Year Plan. Compared with traditional vehicles, pure electric vehicles have the advantages of nearly zero emissions and low energy consumption. However, most pure electric vehicles currently use centralized power, that is, a main drive motor transmits power to the drive wheels through the transmission shaft, that is, the power source of the traditional internal combustion engine of the car is replaced by an electric motor, and the overall structure is still limited. Traditional car design ideas. Pure electric vehicles using four-wheel or two-wheel direct-drive hub motors completely escape the constraints of traditional internal combustion engine vehicle architecture, eliminating the need for gearboxes and mechanical transmiss...

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Problems solved by technology

[0004] The present invention provides an outer rotor magnetic bridge type transverse flux permanent magnet synchronous motor in order to avoid the deficiencies in the above-mentioned prior art, so as to solve the problem of high magnetic flux leakage and tooth loss in the existing transverse flux motor. Problems such as large groove torque and high cost

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