CN219227349U

CN219227349U - Permanent magnet brushless motor

Info

Publication number: CN219227349U
Application number: CN202320226630.5U
Authority: CN
Inventors: 覃培进; 唐小龙; 叶立厚
Original assignee: Shenzhen Kechuangxing Motor Technology Co ltd
Current assignee: Shenzhen Kechuangxing Motor Technology Co ltd
Priority date: 2023-02-03
Filing date: 2023-02-03
Publication date: 2023-06-20
Anticipated expiration: 2033-02-03

Abstract

The utility model provides a permanent magnet brushless motor, which comprises a mounting shell, wherein an acoustic insulating layer is fixedly arranged on the inner wall of the mounting shell, a fixing shell is fixedly arranged on the inner wall of the acoustic insulating layer, a vacuum cavity is symmetrically arranged between the fixing shell and the acoustic insulating layer, part of noise generated by a main body can be blocked by the vacuum cavity through arranging the acoustic insulating layer and the vacuum cavity in the mounting shell, and the acoustic insulating layer can absorb and block the noise transmitted by the fixing shell, so that the noise transmission of the permanent magnet brushless motor is reduced, and the permanent magnet brushless motor is convenient to use in a low-noise environment; the protection of the main body can be increased by arranging the installation shell, the sound insulation layer and the fixing shell, so that the main body is high in safety; through the fixed mounting between mount pad and the installation shell, can insert the inside of through-hole with the copper pipe to heat with the inside heat of main part is derived through copper pipe and heat dissipation frame, conveniently dispels the heat to it.

Description

Permanent magnet brushless motor

Technical Field

The utility model relates to the technical field of permanent magnet brushless motors, in particular to a permanent magnet brushless motor.

Background

The permanent magnet brushless motor is a permanent magnet motor controlled by electronic circuit phase change or current, and can be divided into a permanent magnet brushless DC motor and a permanent magnet AC servo motor.

The Chinese patent with the publication number of CN213783022U discloses a brushless motor, which comprises an upper end cover, a lower end cover, a stator core, a rotor core, shaft cores, enamelled copper wires and magnetic steels, wherein the upper end cover and the lower end cover are respectively fixed at the opposite ends of the stator core, the rotor core is arranged in the stator core, the stator core is provided with a winding groove, the enamelled copper wires are wound on the winding groove, the magnetic steels are fixed on the rotor core, one end of the shaft core is sleeved on the rotor core, the other end of the shaft core extends out of the upper end cover, the number of the winding grooves is twelve, and the number of the magnetic steels is eight. In this technical scheme for less number of turns's enamelled copper line can improve great working power, thereby makes brushless motor's volume can correspondingly reduce, and then has reduced the volume of the little household electrical appliances of this brushless motor of whole application, satisfies the operation requirement, reduction in production cost, but this brushless motor fuselage is great, does not set up noise reduction mechanism, and its noise is great when using, inconvenient use in the environment of low noise.

To this end, the utility model provides a permanent magnet brushless motor.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model aims to provide a permanent magnet brushless motor so as to solve the problems in the background art.

In order to achieve the above object, the present utility model is realized by the following technical scheme: the utility model provides a permanent magnet brushless motor, includes the installation shell, fixed mounting has the puigging on the inner wall of installation shell, the inner wall fixed mounting of puigging has the fixed shell, the symmetry is provided with the vacuum chamber between fixed shell and the puigging, the inside fixed mounting of fixed shell has the main part, the one end of installation shell has the mount pad through screw and screw fixed mounting, screw fixed mounting is in the inside of screw.

Further, the main body is fixedly arranged in the installation seat and the installation shell, and the outer side of the main body is fixedly provided with a protruding block.

Further, a mounting groove is formed in the inner wall of the fixing shell at the position corresponding to the protruding block, and the protruding block is mounted in the mounting groove.

Further, a shaft lever is rotatably installed at the central position of the inside of the main body through a bearing, a rotor is fixedly installed at one end of the shaft lever, and the rotor is arranged in the inside of the main body.

Further, a stator winding is fixedly installed on the inner wall of the inner side of the main body, and the stator winding is arranged on the outer side of the rotor.

Further, the permanent magnets are symmetrically and fixedly arranged in the rotor, the main body comprises a driver and a position sensor, and the driver and the position sensor are arranged in the main body.

Further, the through hole is symmetrically arranged in one end of the main body, the heat dissipation frame is fixedly arranged in the mounting seat, the copper pipe is symmetrically and fixedly arranged on one side of the heat dissipation frame, and the copper pipe is inserted into the through hole.

Further, one end of the heat dissipation frame is arranged on the outer side of the mounting seat, the mounting plate is fixedly arranged at the other end of the mounting shell, and mounting holes are formed in four corners of the mounting plate.

The utility model has the beneficial effects that: according to the permanent magnet brushless motor, the sound insulation layer and the vacuum cavity are arranged in the mounting shell, part of noise generated by the main body can be blocked by the vacuum cavity, and the sound insulation layer can absorb and block the noise transmitted by the fixing shell, so that the noise propagation of the permanent magnet brushless motor is reduced, and the permanent magnet brushless motor is convenient to use in a low-noise environment; the protection of the main body can be increased by arranging the installation shell, the sound insulation layer and the fixing shell, so that the main body is high in safety; through the fixed mounting between mount pad and the installation shell, can insert the inside of through-hole with the copper pipe to heat with the inside heat of main part is derived through copper pipe and heat dissipation frame, conveniently dispels the heat to it.

Drawings

FIG. 1 is a block diagram of a permanent magnet brushless motor according to the present utility model;

FIG. 2 is a cross-sectional view of a permanent magnet brushless motor according to the present utility model;

FIG. 3 is a diagram of a heat dissipating frame of a permanent magnet brushless motor according to the present utility model;

FIG. 4 is a main body structure diagram of a permanent magnet brushless motor according to the present utility model;

in the figure: 1. a mounting shell; 2. a mounting base; 3. a main body; 4. a heat dissipation frame; 5. a screw hole; 6. a mounting hole; 7. a fixed case; 8. a sound insulation layer; 9. a vacuum chamber; 10. a rotor; 11. a stator winding; 12. a through hole; 13. a permanent magnet; 14. a mounting groove; 15. a bump; 16. copper pipe.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

Referring to fig. 1 to 4, the present utility model provides a technical solution: the utility model provides a permanent magnet brushless motor, includes installation shell 1, fixed mounting has puigging 8 on the inner wall of installation shell 1, the inner wall fixed mounting of puigging 8 has fixed shell 7, the symmetry is provided with vacuum chamber 9 between fixed shell 7 and the puigging 8, the inside fixed mounting of fixed shell 7 has main part 3, screw 5 and screw fixed mounting have mount pad 2 are passed through to the one end of installation shell 1, screw fixed mounting is in the inside of screw 5, can reduce the noise that main part 3 produced to outside propagation through setting up at puigging 8 and vacuum chamber 9, conveniently uses this permanent magnet brushless motor in low noise environment.

In this embodiment, main part 3 fixed mounting is in the inside of mount pad 2 and installation shell 1, the outside of main part 3 is fixed and is provided with lug 15, the inside of the inner wall of fixed shell 7 corresponds lug 15 position department and has seted up mounting groove 14, the inside of lug 15 mounting groove 14, the central point department of the inside of main part 3 is through the bearing rotation installation axostylus axostyle, the one end fixed mounting of axostylus axostyle has rotor 10, rotor 10 sets up the inside of main part 3, fixed mounting has stator winding 11 on the inner wall of the inboard of main part 3, stator winding 11 sets up the outside at rotor 10, the inside symmetry fixed mounting of rotor 10 has permanent magnet 13, main part 3 includes driver and position sensor, driver and position sensor all set up the inside at main part 3, conveniently install main part 3 through lug 15 and mounting groove 14, increase the protection to main part 3 through fixed shell 7 and installation shell 1.

In this embodiment, through-hole 12 has been seted up to the inside symmetry of the one end of main part 3, the inside fixed mounting of mount pad 2 has heat dissipation frame 4, one side symmetry fixed mounting of heat dissipation frame 4 has copper pipe 16, copper pipe 16 peg graft in the inside of through-hole 12, the one end setting of heat dissipation frame 4 is in the outside of mount pad 2, the other end fixed mounting of installation shell 1 has the mounting panel, mounting hole 6 has been seted up in the four corners of mounting panel, inserts the inside of through-hole 12 with copper pipe 16 for the one end setting of copper pipe 16 is in the inside of main part 3, conveniently dispels the heat to main part 3 through copper pipe 16 and heat dissipation frame 4.

When the permanent magnet brushless motor is used, the main body 3 is arranged in the fixed shell 7 through the protruding blocks 15, the protruding blocks 15 are inserted into the mounting grooves 14, the mounting seat 2 is taken out, the copper pipe 16 is aligned to the through holes 12 and is inserted into the mounting seat 2, the mounting seat 2 is combined with the mounting shell 1, screws are screwed into the screw holes 5 to fix the space between the mounting shell 1 and the mounting seat 2, the sound insulation layer 8 and the vacuum cavity 9 are arranged in the mounting shell 1, the vacuum cavity 9 can block part of noise generated by the main body 3, and the sound insulation layer 8 can absorb and block the noise transmitted through the fixed shell 7, so that the noise transmission of the permanent magnet brushless motor is reduced, and the permanent magnet brushless motor is convenient to use in a low-noise environment; the protection of the main body 3 can be increased by being arranged on the installation shell 1, the sound insulation layer 8 and the fixing shell 7, so that the main body 3 has high safety; after the copper pipe 16 is inserted into the through hole 12, heat in the main body 3 can be led out through the copper pipe 16 and the heat dissipation frame 4, so that heat dissipation can be conveniently performed on the heat dissipation frame.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. The utility model provides a permanent magnet brushless motor, includes installation shell (1), its characterized in that, fixed mounting has puigging (8) on the inner wall of installation shell (1), the inner wall fixed mounting of puigging (8) has fixed shell (7), symmetry is provided with vacuum chamber (9) between fixed shell (7) and puigging (8), the inside fixed mounting of fixed shell (7) has main part (3), the one end of installation shell (1) has mount pad (2) through screw (5) and screw fixed mounting, screw fixed mounting is in the inside of screw (5).

2. A permanent magnet brushless motor according to claim 1, wherein: the main body (3) is fixedly arranged in the installation seat (2) and the installation shell (1), and a bump (15) is fixedly arranged on the outer side of the main body (3).

3. A permanent magnet brushless motor according to claim 2, wherein: the inner part of the inner wall of the fixed shell (7) is provided with a mounting groove (14) corresponding to the position of the lug (15), and the lug (15) is arranged in the mounting groove (14).

4. A permanent magnet brushless motor according to claim 1, wherein: the center position of the inside of the main body (3) is rotatably provided with a shaft lever through a bearing, one end of the shaft lever is fixedly provided with a rotor (10), and the rotor (10) is arranged in the inside of the main body (3).

5. A permanent magnet brushless motor according to claim 4, wherein: a stator winding (11) is fixedly arranged on the inner wall of the inner side of the main body (3), and the stator winding (11) is arranged on the outer side of the rotor (10).

6. A permanent magnet brushless motor according to claim 5, wherein: permanent magnets (13) are symmetrically and fixedly arranged in the rotor (10), the main body (3) comprises a driver and a position sensor, and the driver and the position sensor are arranged in the main body (3).

7. A permanent magnet brushless motor according to claim 1, wherein: through holes (12) are symmetrically formed in one end of the main body (3), a heat dissipation frame (4) is fixedly arranged in the mounting seat (2), copper pipes (16) are symmetrically and fixedly arranged on one side of the heat dissipation frame (4), and the copper pipes (16) are inserted into the through holes (12).

8. A permanent magnet brushless motor according to claim 7, wherein: one end of the heat dissipation frame (4) is arranged on the outer side of the mounting seat (2), a mounting plate is fixedly arranged at the other end of the mounting shell (1), and mounting holes (6) are formed in four corners of the mounting plate.