CN216851574U

CN216851574U - Permanent magnet motor with low-noise high-efficiency fan

Info

Publication number: CN216851574U
Application number: CN202123395142.7U
Authority: CN
Inventors: 李智平
Original assignee: Shanghai Maisiwei Electromechanical Technology Co ltd
Current assignee: Shanghai Maisiwei Electromechanical Technology Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-06-28
Anticipated expiration: 2031-12-30

Abstract

The utility model discloses a permanent-magnet machine with high-efficient fan of low noise, the utility model relates to a permanent-magnet machine technical field, which comprises a motor body, one side of motor body is connected with the connection shell, a plurality of inlet ports one have been seted up on the surface of connection shell, and the inner wall middle part surface mounting who connects the shell has the bearing, motor body's inner chamber middle part horizontal installation has the axis of rotation. The utility model discloses a rotation axis drives flabellum one and flabellum two and rotates, and the heat inside the motor body enters the inside of motor body by a plurality of inlet ports one, and under the wind direction guide of flabellum one and flabellum two, the air current enters by a plurality of air vents, through the setting of filter screen, can prevent the entering of impurity in the external gas, and the air current passes through the filter screen and is discharged by a plurality of gas vents, has realized the dissipation of heat, and the radiating effect is good; the vibration noise is transmitted to the cotton inside of inhaling the sound through interior welt, and the cotton of inhaling the sound through honeycomb inhales the sound and falls the noise, weakens the noise energy.

Description

Permanent magnet motor with low-noise high-efficiency fan

Technical Field

The utility model relates to a permanent-magnet machine technical field specifically is a permanent-magnet machine with high-efficient fan of low noise.

Background

The motor belongs to mechanical transmission common machinery, because the noise of the original motor heat dissipation fan blade is large, the requirements can not be met in many applicable fields, the motor fan blade usually adopts the traditional vertical sheet type, and a fan cover is arranged on the motor shell, fig. 5 is a structural schematic diagram of the prior art, and the fan blade adopts an airplane propeller type structure, so that the fan blade arrangement area is only 1/3 of the original fan blade with the same power; inside spiral fan blade and outside spiral fan blade are provided with the wind channel respectively, and outside wind channel is to motor direction slope 35 to alright effectively for the motor housing cooling, effectual, but the motor is when using, and the heat of production is difficult for dissipating, adopts to add the mode of establishing radiating fin on motor casing usually, and the heat is discharged through heat-conducting mode, has increased the weight of motor simultaneously, and the radiating effect is unsatisfactory.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a permanent-magnet machine with high-efficient fan of low noise, it rotates to drive flabellum one and flabellum two through the axis of rotation, the inside heat of motor body enters into motor body's inside by a plurality of inlet ports one, under the wind direction guide of flabellum one and flabellum two, the air current is got into by a plurality of air vents, setting through the filter screen, can prevent the entering of impurity in the external gas, the air current passes through the filter screen and is discharged by a plurality of gas vents, thermal dissipation has been realized, the radiating effect is good, in order to solve the technical problem who mentions among the above-mentioned background art.

The utility model discloses can realize through following technical scheme: permanent magnet machine with high-efficient fan of low noise, including motor body, one side of motor body is connected with the connection shell, a plurality of inlet ports one have been seted up on the surface of connection shell, and the inner wall middle part surface mounting of connection shell has the bearing, motor body's inner chamber middle part horizontal installation has the axis of rotation, the one end of axis of rotation is fixed with the inner circle of bearing, motor body's inside vertical installation has the fixed plate, the surface of fixed plate is equipped with a plurality of air vents, one side that connection shell was kept away from to motor body's inner wall is equipped with the mounting groove, the inside of mounting groove is provided with the filter screen, and motor body's opposite side surface is equipped with a plurality of and the communicating gas vents of mounting groove, and the position that the surface of axis of rotation is close to the fixed cover of mounting groove is equipped with flabellum one and flabellum two.

The utility model discloses a further technological improvement lies in: the other end of the rotating shaft penetrates through the inside of the fixing plate and is movably connected with the fixing plate through a bearing.

The utility model discloses a further technological improvement lies in: the motor comprises a motor body and is characterized in that an annular sleeve plate is fixedly connected to the surface of one side of the motor body, an annular groove is formed in the surface of one side of a connecting shell, and the annular groove and the annular sleeve plate are arranged in an inserted mode.

The utility model discloses a further technological improvement lies in: the motor comprises a motor body, and is characterized in that stators are arranged at the top and the bottom of an inner cavity of the motor body, a supporting seat is fixedly connected to the bottom surface of the motor body, and a rotor is fixedly sleeved on the outer surface of a rotating shaft.

The utility model discloses a further technological improvement lies in: the motor body comprises a shell, an inner lining plate is installed on the inner side of the shell, an installation cavity is formed in the inner lining plate, and through holes connected with the installation cavity are formed in the inner lining plate.

The utility model discloses a further technological improvement lies in: the internally mounted of interior welt has the sound cotton of inhaling, inhale the sound cotton and set up to cellular structure, and inhale the cotton one end of inhaling and pass fenestrate inside.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. the fan blade I and the fan blade II are driven to rotate through the rotating shaft, heat inside the motor body enters the motor body through the air inlets I, air flow enters through the air vents under the guiding of the wind directions of the fan blade I and the fan blade II, impurities in external air can be prevented from entering through the arrangement of the filter screen, the air flow passes through the filter screen and is discharged through the air outlets, heat dissipation is achieved, and the heat dissipation effect is good;

2. vibration noise transmits the cotton inside of inhaling the sound through interior welt, through inhaling the sound of cotton inside honeycomb of sound and falling the noise, can subduct the noise, weakens the noise energy, effectively reduces the noise that motor body produced at the during operation, has improved operational environment.

Drawings

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic view of the assembled three-dimensional structure of the present invention;

FIG. 2 is a schematic view of the external connection of the present invention;

FIG. 3 is a schematic view of the structural connection between the connecting shell and the outer shell of the present invention;

FIG. 4 is a schematic view of the structure connection of the sound-absorbing cotton of the present invention;

fig. 5 is a schematic connection diagram of a prior art structure.

In the figure: 1. a motor body; 2. a connecting shell; 3. a first air inlet; 4. a rotating shaft; 5. an annular race plate; 6. an annular groove; 7. a stator; 8. a rotor; 9. a bearing; 10. a fixing plate; 11. a vent hole; 12. a first fan blade; 13. a second fan blade; 14. filtering with a screen; 15. an exhaust port; 17. a mounting cavity; 18. perforating; 19. sound-absorbing cotton; 20. and a lining plate.

Detailed Description

To further illustrate the technical means and effects of the present invention adopted to achieve the objects of the present invention, the following detailed description is given to the embodiments, structures, features and effects according to the present invention with reference to the accompanying drawings and preferred embodiments.

Referring to fig. 1-3, a permanent magnet motor with a low-noise and high-efficiency fan includes a motor body 1, a connection housing 2 connected to one side of the motor body 1, a plurality of air inlets 3 formed on the surface of the connection housing 2, a bearing 9 is arranged on the surface of the middle part of the inner wall of the connecting shell 2, a rotating shaft 4 is horizontally arranged in the middle part of the inner cavity of the motor body 1, one end of the rotating shaft 4 is fixed with the inner ring of the bearing 9, a fixing plate 10 is vertically arranged in the motor body 1, a plurality of vent holes 11 are arranged on the surface of the fixing plate 10, an installation groove is arranged on one side of the inner wall of the motor body 1, which is far away from the connecting shell 2, a filter screen 14 is arranged in the installation groove, and the other side surface of the motor body 1 is provided with a plurality of exhaust ports 15 communicated with the mounting groove, and the outer surface of the rotating shaft 4 is fixedly sleeved with a first fan blade 12 and a second fan blade 13 at positions close to the mounting groove.

Referring to fig. 3, stators 7 are disposed at the top and the bottom of the inner cavity of the motor body 1, a supporting seat is fixedly connected to the bottom surface of the motor body 1, and a rotor 8 is fixedly sleeved on the outer surface of the rotating shaft 4.

Stator 7 and rotor 8 have realized the rotation of axis of rotation 4, it rotates to drive flabellum one 12 and flabellum two 13 through axis of rotation 4, the inside heat of motor body 1 enters into motor body 1's inside by a plurality of inlet ports 3, under the wind direction guide of flabellum one 12 and flabellum two 13, the air current is got into by a plurality of air vents 11, setting through filter screen 14, can prevent the entering of impurity in the external gas, the air current passes through filter screen 14 and is discharged by a plurality of gas vents 15, thermal dissipation has been realized, the radiating effect is good.

Referring to fig. 3, the other end of the rotating shaft 4 passes through the inside of the fixing plate 10 and is movably connected by a bearing 9.

The mounting and rotation of the rotating shaft 4 is achieved.

Referring to fig. 1-2, an annular sleeve plate 5 is fixedly connected to a surface of one side of the motor body 1, an annular groove 6 is formed in a surface of one side of the connecting shell 2, and the annular groove 6 is inserted into the annular sleeve plate 5.

When installing motor body 1, annular race plate 5 enters into the inside of ring channel 6, carries out preliminary installation to motor body 1, and all installs the butt joint piece on connecting shell 2 and motor body 1's surface, through embedding the bolt on the butt joint piece, realizes motor body 1 and the installation of connecting shell 2.

Referring to fig. 1 and 4, the motor body 1 includes an outer casing, an inner lining plate 20 is disposed inside the outer casing, a mounting cavity 17 is disposed inside the inner lining plate 20, and a through hole 18 connected to the mounting cavity 17 is disposed inside the inner lining plate 20.

Referring to fig. 4, the interior of the lining panel 20 is installed with sound-absorbing cotton 19, the sound-absorbing cotton 19 is configured to be a honeycomb structure, and one end of the sound-absorbing cotton 19 passes through the inside of the perforation 18.

Motor body 1 is under the user state, and the vibration noise of production transmits the inside of inhaling sound cotton 19 through interior welt 20, and the noise is fallen to inhaling the sound many times through inhaling the cotton 19 inside honeycomb of sound, can subduct the noise many times, effectively reduces motor body 1 noise that produces at the during operation, has improved operational environment.

The working principle is as follows:

when the utility model is used, the first fan blade 12 and the second fan blade 13 are driven to rotate through the rotating shaft 4, heat inside the motor body 1 enters the motor body 1 through the first air inlet holes 3, air flow enters through the plurality of air vents 11 under the guiding of the wind directions of the first fan blade 12 and the second fan blade 13, impurities in external air can be prevented from entering through the arrangement of the filter screen 14, the air flow passes through the filter screen 14 and is discharged through the plurality of air vents 15, heat dissipation is realized, and the heat dissipation effect is good;

vibration noise transmits the inside of inhaling sound cotton 19 through interior welt 20, and noise reduction is inhaled a lot of through inhaling the inside honeycomb structure of sound cotton 19 and fall, can subduct the noise many times, effectively reduces motor body 1 at the noise that the during operation produced, has improved operational environment.

The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention has been disclosed by the preferred embodiment, it is not limited to the present invention, and any person skilled in the art can make modifications or changes equivalent to the above embodiments without departing from the scope of the present invention, but all the modifications, changes and modifications of the above embodiments that do not depart from the technical scope of the present invention are within the scope of the present invention.

Claims

1. Permanent-magnet machine with high-efficient fan of low noise, its characterized in that: including motor body (1), one side of motor body (1) is connected with connection shell (2), a plurality of inlet ports (3) have been seted up on the surface of connection shell (2), and the inner wall middle part surface mounting of connection shell (2) has bearing (9), the inner chamber middle part horizontal installation of motor body (1) has axis of rotation (4), the one end of axis of rotation (4) is fixed with the inner circle of bearing (9), the inside vertical installation of motor body (1) has fixed plate (10), the surface of fixed plate (10) is equipped with a plurality of air vents (11), one side that connection shell (2) was kept away from to the inner wall of motor body (1) is equipped with the mounting groove, the inside of mounting groove is provided with filter screen (14), and the opposite side surface of motor body (1) is equipped with a plurality of communicating gas vents (15) with the mounting groove, the fixed cover of the position that the surface of axis of rotation (4) is close to the mounting groove is equipped with flabellum one (12) and flabellum two (2), (fan flabellum two (4) and (2) 13).

2. The permanent magnet motor with low noise and high efficiency fan according to claim 1, wherein the other end of the rotating shaft (4) passes through the inside of the fixing plate (10) and is movably connected through the bearing (9).

3. The permanent magnet motor with low noise and high efficiency as claimed in claim 1, wherein an annular sleeve plate (5) is fixedly connected to one side surface of the motor body (1), an annular groove (6) is formed in one side surface of the connecting shell (2), and the annular groove (6) is inserted into the annular sleeve plate (5).

4. The permanent magnet motor with low noise and high efficiency as claimed in claim 1, wherein the top and bottom of the inner cavity of the motor body (1) are provided with stators (7), the bottom surface of the motor body (1) is fixedly connected with a support base, and the outer surface of the rotating shaft (4) is fixedly sleeved with a rotor (8).

5. The permanent magnet motor with low noise and high efficiency fan according to claim 1, characterized in that the motor body (1) comprises an outer shell, an inner lining plate (20) is installed on the inner side of the outer shell, a mounting cavity (17) is arranged inside the inner lining plate (20), and a through hole (18) connected with the mounting cavity (17) is arranged inside the inner lining plate (20).

6. The permanent magnet motor with low noise and high efficiency fan according to claim 5, wherein the inner liner (20) is internally installed with sound-absorbing cotton (19), the sound-absorbing cotton (19) is arranged in a honeycomb structure, and one end of the sound-absorbing cotton (19) passes through the inside of the perforation (18).