Module type permanent magnet brushless direct-current motor

Abstract

The invention discloses a module type permanent magnet brushless direct-current motor. The module type permanent magnet brushless direct-current motor consists of a motor module and a controller module, and has the following key points: a motor shell (2) is a circular column which is externally octagonal and internally hollow; through combining the motor shell (2) with a separation plate, components such as a rotation shaft, a wire bag, a stator core body, a rotor core body, a bracket and a neodymium-iron-boron permanent magnet required by the permanent magnet brushless direct-current motor are packaged; a controller shell is combined with an end cover to package components such as a PCB board, a VMOS power tube, a dual-core single chip and a driving chip required by a controller; and the motor shell and the controller shell are integrally connected through a fastening bolt. The invention provides a module solution which is low in cost and is capable of carrying out large-scale production and realizing integration of the permanent magnet brushless direct-current motor and the controller, and the module solution is broad in market prospect.

Description

technical field [0001] The modular permanent magnet brushless DC motor involved in the present invention is mainly used in many industrial sectors such as aerospace, electric vehicles, industrial robots, flexible manufacturing systems, new medical equipment, automation equipment, variable speed refrigeration technology and textile machinery. Background technique [0002] The permanent magnet brushless DC motor is a new type of motor with relatively high energy efficiency. Its advantages are obvious: First, it has high reliability, because the permanent magnet brushless DC motor does not have mechanical brushes, but uses electronic commutation to overcome the existing problems. Brush DC motors have reliability problems due to mechanical brush commutation; second, the structure is simple, because the permanent magnets are installed on the rotor, and the armature windings are assembled on the stator, so that the thermal conductivity is good, and the heat generated by the motor...

AI Technical Summary

Problems solved by technology

The third is how to make the permanent magnet brushless DC motor can be directly powered and driven like an AC motor? How to realize the mechatronics of brushless DC motor and controller? Problems such as these have become technical hotspots in the current study of permanent magnet brushless DC motors.

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