Novel flat single-phase four-pole series motor

Abstract

The invention relates to a novel flat single-phase four-pole series motor which comprising a brush assembly, four excitation windings and an armature winding. The brush assembly comprises four sets ofbrush boxes and electric brushes distributed in a surrounding array. The four excitation windings are distributed in a surrounding array and form two N poles and two S poles, the N poles and the S poles are adjacent to each other in pairs, the four excitation windings form two pairs of parallel excitation winding pairs through the four electric brushes, and each of the excitation winding pair hasan N pole and an S pole. The armature winding is connected to the excitation windings in series. According to the novel flat single-phase four-pole series motor of the invention, the torque of a four-pole motor is twice of that of a two-pole motor in an ideal environment, the pairs of poles are formed by the excitation windings, the N poles and the S poles are adjacent to each other in pairs, thesingle-phase four-pole series motor is formed by the connection of the electric brushes and the armature winding, the torque of the motor is greatly improved, and a foundation is laid for the application of the single-phase series motor in the field of a household high-power stirring motor.

Description

technical field [0001] The invention relates to the field of motor technology, in particular to a novel flat single-phase four-pole series motor. Background technique [0002] Current household high-power mixers generally use brushless DC motors, but the high cost of brushless DC motors is not conducive to market competition. Single-phase series motors are mature in technology, low in cost, and easy to produce, but the existing single-phase series motors cannot be easily applied to household high-power mixers. [0003] Traditional single-phase series motors are generally two-pole motors, which have a pair of poles consisting of N poles and S poles. It has the characteristics of large starting torque, high speed, small size, light weight, and low cost, but it cannot satisfy The market is pursuing long life, high torque, and high power under the trend of miniaturization, and the traditional single-phase series motors also have the disadvantages of difficult commutation, large...

AI Technical Summary

Problems solved by technology

[0002] The current household high-power mixers generally use brushless DC motors, but the high cost of brushless DC motors is not conducive to market competition

Single-phase series motors are mature in technology, low in cost, and easy to produce, but the existing single-phase series motors cannot be easily applied to household high-power mixers

[0003] Traditional single-phase series motors are generally two-pole motors, which have a pair of poles consisting of N poles and S poles. It has the characteristics of large starting torque, high speed, small size, light weight, and low cost, but it cannot satisfy The market is pursuing long life, high torque and high power under the trend of miniaturization, and the traditional single-phase series motors also have the disadvantages of difficult commutation, large sparks and large volume

[0004] The existing four-pole motors on the market are generally DC motors, using four magnets, which are generally used in air pumps and oil pumps with high torque and long life, but the disadvantage is that the starting torque of DC motors is small: it is not suitable for household high-power mixers High-power stirring not only requires high torque and long life, but also requires a large starting torque

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