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AC commutator motor and electric blower using the motor

A technology for commutators and motors, which is applied in the direction of AC commutators, electrical components, electromechanical devices, etc., and can solve problems such as the deterioration of the brush rectification state

Active Publication Date: 2015-11-25
HITACHI GLOBAL LIFE SOLUTIONS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In the prior art described above, the generation of sparks from the brushes is controlled by the rectified electromotive force related to the magnetic flux flowing from the pole parts or pole pieces to the armature side in addition to the mechanical contact state of the brushes, respectively. In the case of reduced pulsating torque or armature reaction, there is a possibility that the commutation state of the brush may deteriorate

Method used

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  • AC commutator motor and electric blower using the motor
  • AC commutator motor and electric blower using the motor
  • AC commutator motor and electric blower using the motor

Examples

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Embodiment 1

[0032] One embodiment of the present invention is shown below.

[0033] figure 1 It is an embodiment of the configuration diagram showing the stator core of the present invention.

[0034] figure 2 It is an example of the perspective view which shows the stator core of this invention.

[0035] image 3 It is a figure which shows the structure of the electric blower using the AC commutator motor of this invention.

[0036] Also refer to Figure 1 ~ Figure 3 Be explained. In the drawings, common reference numerals denote the same components.

[0037] The electric blower 1 includes a motor (AC commutator motor) 2 and a blower 3 . The motor 2 includes: a stator 7 in which an exciting coil 6 is wound and installed on a stator core 5 fixed to the inner peripheral side of the housing 4; the shaft 10 held by the bearing 8b; and the rotor 15 on which the armature core 11 and the commutator 12 are fixed, and the armature winding installed in the armature slot 13 of the armature...

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Abstract

The invention relates to an alternating current commutator electric motor, and aims at providing the alternating current commutator electric motor capable of simultaneously reducing pulse torque and armature reaction. The alternating current commutator electric motor comprises a stator (7) and a rotor (15), wherein the stator (7) comprises a stator iron core (5) and an upper exciting winding (6), the stator iron core (5) is provided with a yoke iron part (51) and a magnetic pole part (52), the upper exciting winding (6) is coiled and arranged on the magnetic pole part (52), the rotor (15) comprises an armature core (11), an armature winding (14) and a commutator (12), the armature winding (14) is arranged in a groove formed on the armature core (11), and the commutator (12) is connected with the armature winding (14). The electric motor belongs to the two-pole alternating current commutator electric motor realizing the electric power receiving on the armature winding (14) through the commutator (12) and a carbon brush (16). The alternating current commutator electric motor is characterized in that a step part is arranged at the front end part of the surface of the magnetic pole sheet part of the magnetic pole part (52) not opposite to the rotor.

Description

technical field [0001] The present invention relates to an AC commutator motor, in particular to a stator structure of an AC commutator motor used in motors for electric vacuum cleaners and electric tools. Background technique [0002] The structure of the AC commutator motor (AC-DC dual-purpose motor) used as the driving source of electric vacuum cleaners and electric tools mainly includes a ring-shaped stator, an armature arranged between the magnetic poles of the stator, and an armature for the armature. A commutator for receiving and receiving power from the armature winding, and a brush. For such AC commutator motors, miniaturization, weight reduction, long life of brushes, and low vibration are generally required. In order to achieve miniaturization and weight reduction, it is effective to increase the speed of the motor, but if the motor is high-speed, the ripple torque will increase, and if the ripple torque is large, the rectification performance will deteriorate (...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02K27/00H02K1/12H02K1/14
Inventor 川边拓也小原木春雄常乐文夫
Owner HITACHI GLOBAL LIFE SOLUTIONS INC