An inner rotor motor

Abstract

The invention discloses an inner rotor motor which comprises a case, a motor shaft, an inner rotor without a winding or a magnetic tile, and an outer stator with the winding, wherein both the inner rotor and the outer stator are provided with bulged tooth poles; the case is provided with a front cap and a rear cap on two sides; two ends of the motor shaft are arranged on the front cap and the rear cap by a bearing; the inner rotor is fixedly sleeved with the motor shaft; the outer stator is in tightly cooperative connection with the case; a hall wiring board assembly is arranged outside the rear cap; an inducting magnetic ring is arranged on the hall wiring board assembly; a flow guiding cap is also arranged on the rear cap; a fan blade is arranged inside the flow guiding cap; and the fan blade is fixedly sleeved with the motor shaft. The inner rotor motor is a novel inner rotor motor, namely, a switch reluctance motor which is only provided with a rotor silicon steel sheet instead of a magnetic tile or a coil; the adoption of the hall wiring board assembly for connection and the outside arrangement of the hall wiring board assembly are convenient to revise a switching position, and simultaneously the inductive magnetic tile is added so as to be convenient for switching.

Description

Technical field [0001] The invention relates to a motor, in particular to an inner rotor that has no magnetic tiles or windings on the rotor but only the rotor silicon steel sheet, and adopts a Hall wiring board assembly and the Hall wiring board assembly is externally mounted, and an induction magnetic ring is added to facilitate commutation. Motor. Background technique [0002] The motors used for electric vehicles on the existing market are mostly DC permanent magnet motors or DC permanent magnet brushless motors. The latter has obvious advantages over the former in performance. Therefore, the motors for electric vehicles are mostly DC permanent magnet brushless motors. However, the current state's regulation of rare earth materials has led to an increase in the cost of the magnet tiles used. The price of magnet tiles on the market has also seen a short-term surge, and the price of magnet tiles after the fall is also higher than the previous price of magnet tiles, so the price...

AI Technical Summary

Problems solved by technology

[0002] The motors used for electric vehicles in the existing market are mostly DC permanent magnet motors or DC permanent magnet brushless motors. Compared with the former, the latter has obvious advantages in performance, so now most electric vehicle motors are DC permanent magnet brushless motors However, the current national regulation on rare earth materials has led to an increase in the cost of magnetic tile materials used, and the price of magnetic tiles in the market has also surged in a short period of time, and after falling back, it is also higher than the previous price of magnetic tiles, so the price of applied products has also risen accordingly. It is difficult to fundamentally control the cost of motors, which seriously affects the production process of such motors

As a result, the development of electric vehicles has been restricted, and it has brought serious impact on environmental protection, energy saving and emission reduction.

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