CN212726733U

CN212726733U - Embedded centrifugal impeller device of gumming of high-speed permanent-magnet machine

Info

Publication number: CN212726733U
Application number: CN202022006127.8U
Authority: CN
Inventors: 谢佳娜; 陈敏生
Original assignee: Jieyang Huibaochang Electric Appliance Co ltd
Current assignee: Jieyang Huibaochang Electric Appliance Co ltd
Priority date: 2020-09-14
Filing date: 2020-09-14
Publication date: 2021-03-16
Anticipated expiration: 2030-09-14

Abstract

The utility model discloses a powder-removing embedded centrifugal impeller device of a high-speed permanent magnet motor, which comprises a rotor axis, an iron core, an armature winding, a centrifugal impeller, a commutator, an electric brush and a motor shell; the iron core, the centrifugal impeller and the commutator are respectively connected with the axis of the rotor; the armature winding is fixed on the iron core; the commutator is connected with the electric brush; the motor shell is positioned on the outer side of the axis of the rotor and is coaxial with the axis of the rotor. The device provided by the utility model simple structure, practicality are strong, ingeniously through at the inside centrifugal impeller device that sets up of high-speed permanent-magnet machine, make the carbon dust that brush wearing and tearing produced in the high-speed permanent-magnet machine use break away from the motor, overcome traditional high-speed permanent-magnet machine use in the carbon dust gather the motor performance that leads to at the end cover impaired, improved high-speed permanent-magnet machine's life widely.

Description

Embedded centrifugal impeller device of gumming of high-speed permanent-magnet machine

Technical Field

The utility model relates to the technical field of electric machines, especially, relate to a high-speed permanent-magnet machine's embedded centrifugal impeller device of gumming.

Background

The permanent magnet brush direct current motor is one of direct current motors, has mature manufacturing process and is widely applied to the fields of papermaking, pharmacy, chemical industry, refrigeration and the like. The permanent magnet direct current brush motor mainly comprises a shell, a stator, a rotor, an end cover and the like. The front end and the rear end of the permanent magnet direct current brush motor output power through a shaft connected to the rotor. The stator is used to provide a magnetic field. After the power is switched on, the coil of the rotor winding generates torque in a magnetic field, and the torque is switched by a commutator on the rotor and a brush on the end cover so as to realize the continuous rotation of the rotor.

Within a particular application sector, the rotor of a permanent-magnet brushed dc motor often needs to be set to high speed, known as a high-speed permanent-magnet motor. When the high-speed permanent magnet motor is applied to machines such as a small dust collector, the performance of the motor is damaged due to the fact that carbon powder is accumulated on an end cover in the using process, the performance of the high-speed permanent magnet motor is reduced, and the service life of the high-speed permanent magnet motor is shortened.

Disclosure of Invention

For solving the technical problem, the utility model aims at providing a high-speed permanent-magnet machine's embedded centrifugal impeller device of gumming, the device makes the carbon dust that brush wearing and tearing produced break away from the motor in the high-speed permanent-magnet machine use through set up centrifugal impeller device at high-speed permanent-magnet machine is inside, and it is impaired at the motor performance that the end cover leads to have overcome the carbon dust in the traditional high-speed permanent-magnet machine use, has improved high-speed permanent-magnet machine's life widely.

The purpose of the utility model is realized through the following technical scheme:

the utility model provides an embedded centrifugal impeller device of gumming of high-speed permanent-magnet machine, includes: a rotor shaft center (101), an iron core (102), an armature winding (103), a centrifugal impeller (104), a commutator (105), a brush (106) and a motor shell (107); the iron core (102), the centrifugal impeller (104) and the commutator (105) are respectively connected with the rotor shaft center (101); the armature winding (103) is fixed on the iron core (102); the commutator (105) is connected with a brush (106); the motor shell (107) is positioned outside the axis of the rotor and is coaxial with the axis of the rotor.

Compared with the prior art, the utility model discloses an advantage can have as follows to one or more embodiments:

the centrifugal impeller device is arranged in the high-speed permanent magnet motor, so that carbon powder generated by abrasion of an electric brush in the use process of the high-speed permanent magnet motor is separated from the motor, the defect that the motor performance is damaged due to the fact that the carbon powder is accumulated on the end cover in the use process of the traditional high-speed permanent magnet motor is overcome, and the service life of the high-speed permanent magnet motor is greatly prolonged.

Drawings

Fig. 1 is a schematic structural view of a powder removing embedded centrifugal impeller device of a high-speed permanent magnet motor.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail with reference to the following embodiments and accompanying drawings.

As shown in fig. 1, the structure of the powder-removing embedded centrifugal impeller device of the high-speed permanent magnet motor includes a rotor shaft center 101, an iron core 102, an armature winding 103, a centrifugal impeller 104, a commutator 105, an electric brush 106 and a motor housing 107; the iron core 102, the centrifugal impeller 104 and the commutator 105 are respectively connected with the rotor shaft center 101; the armature winding 103 is fixed on the iron core 102; the commutator 105 is connected with a brush 106; the motor housing 107 is located outside the rotor axis and coaxial with the rotor axis.

The iron core 102, the centrifugal impeller 104 and the commutator 105 are sequentially arranged from the bottom end to the top end and are respectively connected with the rotor shaft center 101 through a shaft; the centrifugal impeller fan blade is provided with a certain inclination angle.

The armature windings 103 are provided with three groups, and are respectively wound and fixed on the iron core, and the armature windings 103 are connected with each other.

The commutator 105 is held by two brushes; the brush 106 is externally connected to a dc power source.

A square hole 108 is formed in the height position of the centrifugal impeller on the side surface of the motor shell 107; the motor shell is provided with a main magnetic pole taking a permanent magnet as a material.

The workflow of the above example is: the high-speed permanent magnet motor takes a main permanent magnet pole on a motor shell as a stator and takes an iron core, an armature winding, a centrifugal impeller and a commutator as a rotor. Electric energy of a direct current power supply enters an armature winding through an electric brush and a commutator to generate armature current, a magnetic field generated by the armature current interacts with a main magnetic field to generate electromagnetic torque, the rotor rotates to drive the axis of the rotor to rotate, and power is output to drive a load. When the high-speed permanent magnet motor runs, the rotor of the high-speed permanent magnet motor bears larger centrifugal force due to high rotating speed, the electric brush is abraded to generate carbon powder, when the carbon powder falls, the centrifugal impeller is also in a high-speed rotating state, the carbon powder is separated from the motor from the square hole on the motor shell due to the centrifugal force of the centrifugal impeller, the problem that the motor performance is damaged due to the fact that the carbon powder is accumulated on the end cover in the using process of the traditional high-speed permanent magnet motor is solved, and the service life of the.

The device provided by the embodiment has the advantages that the structure is simple, the practicability is high, the centrifugal impeller device is ingeniously arranged in the high-speed permanent magnet motor, carbon powder generated by abrasion of the electric brush in the use process of the high-speed permanent magnet motor is separated from the motor, the problem that the motor performance is damaged due to the fact that the carbon powder is accumulated on the end cover in the use process of the traditional high-speed permanent magnet motor is solved, and the service life of the high-speed permanent magnet motor is greatly prolonged.

Although the embodiments of the present invention have been described above, the description is only for the convenience of understanding the present invention, and the present invention is not limited thereto. It will be apparent to persons skilled in the relevant art that various changes in form and detail can be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The powder-removing embedded centrifugal impeller device of the high-speed permanent magnet motor is characterized by comprising a rotor shaft center (101), an iron core (102), an armature winding (103), a centrifugal impeller (104), a commutator (105), an electric brush (106) and a motor shell (107); the iron core (102), the centrifugal impeller (104) and the commutator (105) are respectively connected with the rotor shaft center (101); the armature winding (103) is fixed on the iron core (102); the commutator (105) is connected with a brush (106); the motor shell (107) is positioned outside the axis of the rotor and is coaxial with the axis of the rotor.

2. The embedded centrifugal impeller device of high-speed permanent magnet motor that removes powder of claim 1, characterized by, the iron core (102), centrifugal impeller (104), commutator (105) are set up sequentially from bottom to top, and connect with rotor axle center (101) through the axle separately.

3. The embedded centrifugal impeller device of high-speed permanent magnet motor that removes powder of claim 1, characterized in that, the armature winding (103) is provided with three groups, and twine respectively and fix in the iron core, interconnect between the armature winding (103).

4. The de-powdering in-line centrifugal impeller device for a high-speed permanent magnet machine according to claim 1, wherein the commutator (105) is clamped by two brushes; the electric brush (106) is externally connected with a direct current power supply.

5. The embedded centrifugal impeller device of high-speed permanent magnet motor of claim 1, characterized in that the centrifugal impeller height position of the side of the motor casing (107) is provided with a square hole (108); the motor shell is provided with a main magnetic pole taking a permanent magnet as a material.