CN216625482U - Low-noise rare earth permanent magnet synchronous motor - Google Patents
Low-noise rare earth permanent magnet synchronous motor Download PDFInfo
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- CN216625482U CN216625482U CN202122011427.XU CN202122011427U CN216625482U CN 216625482 U CN216625482 U CN 216625482U CN 202122011427 U CN202122011427 U CN 202122011427U CN 216625482 U CN216625482 U CN 216625482U
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- 230000001360 synchronised effect Effects 0.000 title claims abstract description 20
- 229910052761 rare earth metal Inorganic materials 0.000 title claims abstract description 18
- 150000002910 rare earth metals Chemical class 0.000 title claims abstract description 18
- 238000013016 damping Methods 0.000 claims abstract description 99
- 230000007246 mechanism Effects 0.000 claims abstract description 81
- 229920000742 Cotton Polymers 0.000 claims abstract description 9
- 238000009413 insulation Methods 0.000 claims abstract description 6
- 238000009423 ventilation Methods 0.000 claims description 5
- 230000017525 heat dissipation Effects 0.000 claims description 4
- 230000002441 reversible effect Effects 0.000 claims description 3
- 230000002829 reductive effect Effects 0.000 abstract description 7
- 238000010521 absorption reaction Methods 0.000 description 9
- 230000035939 shock Effects 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 5
- 230000030279 gene silencing Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model discloses a low-noise rare earth permanent magnet synchronous motor, which relates to the technical field of synchronous motors and comprises a base, wherein an adjusting mechanism is fixedly connected to the base; the adjusting mechanism is fixedly connected with the first damping mechanism; the first damping mechanism is fixedly connected with the mounting plate; a second damping mechanism is fixedly connected between the mounting plate and the adjusting mechanism; the mounting plate is fixedly connected with the shell; sound insulation cotton is fixedly connected in the shell; a motor main body mechanism is arranged in the shell; the shell is connected with the sound-proof shield mechanism in a threaded mode, working conditions of the first damping mechanism and the second damping mechanism can be adjusted by arranging the adjusting mechanism, namely, the damping hardness is controlled, the sound-proof shield mechanism is suitable for different use environments, noise generated by vibration of a motor during working can be avoided by arranging the first damping mechanism and the second damping mechanism, noise generated by a main mechanism of the motor can be absorbed by arranging sound-proof cotton, and the noise of the rare earth permanent magnet synchronous motor is reduced.
Description
Technical Field
The utility model relates to the technical field of synchronous motors, in particular to a low-noise rare earth permanent magnet synchronous motor.
Background
Synchronous motors are a common type of ac motor, as are induction motors (i.e., asynchronous motors). The synchronous motor is a heart of a power system, integrates rotation and static, electromagnetic change and mechanical movement, realizes conversion of electric energy and mechanical energy, has very complex dynamic performance, and has great influence on the dynamic performance of the full power system.
In the prior art, a limit sealing ring is arranged on a bearing inside a connecting block, the rotating shaft is connected with a rotor, the limit sealing ring plays a role of fixing the rotating shaft, the vibration frequency of the rotor is reduced, and therefore, the noise is reduced, a plurality of sealed cavities are arranged inside a motor inner shell, sound absorbing blocks are arranged inside the sealed cavities, most of the noise is absorbed by the sound absorbing blocks after entering the sealed cavities, and meanwhile, the noise cannot be transmitted in a vacuum environment, so that the noise reduction effect is realized, a silencing box is arranged on one side of the motor outer shell, huge noise can be generated when a fan rotates at high speed, the noise reduction effect is realized by arranging the silencing box, a sound transmission pipe is arranged inside the silencing box, the noise firstly passes through the sound absorbing sheet on the inner wall of the sound transmission pipe, the sound absorbing sheet plays a noise absorbing effect, then, the noise can pass through the sound transmission pipe and enter the interior of the silencing box, and the sound waves can continuously impact a plurality of sound grade boards on the inner wall of the silencing box, thereby weaken the propagation of sound wave, but prior art only can reduce rotor vibration frequency through sealed spacing collar, and then reduce the vibration noise, but can not realize reducing the vibration frequency of whole motor, consequently it is limited to reduce the effect of making an uproar of falling of shaking, so prior art has great improvement space.
SUMMERY OF THE UTILITY MODEL
The utility model provides a low-noise rare earth permanent magnet synchronous motor, which solves the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme:
a low-noise rare earth permanent magnet synchronous motor comprises a base,
the base is fixedly connected with an adjusting mechanism;
the adjusting mechanism is fixedly connected with the first damping mechanism;
the first damping mechanism is fixedly connected with the mounting plate;
a second damping mechanism is fixedly connected between the mounting plate and the adjusting mechanism;
the mounting plate is fixedly connected with the shell;
sound insulation cotton is fixedly connected in the shell;
a motor main body mechanism is arranged in the shell;
the shell is in threaded connection with the sound-proof shield mechanism.
As a preferred technical scheme of the utility model, the adjusting mechanism comprises two adjusting fixing plates fixed on the base, the adjusting fixing plates are rotatably connected with a threaded rod, the threaded rod is fixedly connected with an adjusting handle, the threaded rod is in threaded connection with two adjusting blocks, and threaded holes formed in the adjusting blocks are mutually reverse threads.
As a preferable technical scheme of the utility model, the first damping mechanism comprises a first rotating seat fixed on the adjusting block, the first rotating seat is rotatably connected with a first damping sleeve, the first damping sleeve is fixedly connected with a first spring, the first spring is fixedly connected with a first damping block, the first damping block is slidably connected with the first damping sleeve, the first damping block is fixedly connected with a first damping rod, the first damping rod penetrates through the first damping sleeve and is slidably connected with the first damping sleeve, the first damping rod is rotatably connected with a second rotating seat, and the second rotating seat is fixedly connected with the mounting plate.
As a preferred technical solution of the present invention, the second damping mechanism includes a second damping sleeve fixed on the adjusting fixing plate, a second spring is fixedly connected in the second damping sleeve, the second spring is fixedly connected to a second damping block, the second damping block is slidably connected to the second damping sleeve, the second damping block is fixedly connected to a second damping rod, the second damping rod passes through the second damping sleeve and is slidably connected to the second damping sleeve, and the second damping rod is fixedly connected to the mounting plate.
As a preferred technical scheme of the utility model, the motor main body mechanism comprises a stator fixed on a shell, the shell is rotatably connected with a rotor, the rotor is fixedly connected with a rotating shaft, the rotating shaft is fixedly connected with a heat dissipation fan and a bearing, and the outer side of the bearing is arranged in the shell.
As a preferred technical scheme of the utility model, the sound-proof housing mechanism comprises a housing body in threaded connection with the shell, a first baffle ring and a second baffle ring are fixedly connected in the housing body, and a plurality of vent holes are formed in the radial side edge of the housing body.
The utility model has the following advantages: according to the utility model, the working conditions of the first damping mechanism and the second damping mechanism can be adjusted by arranging the adjusting mechanism, namely, the damping hardness is controlled, so that the motor is suitable for different use environments, the noise generated by vibration of the motor during working can be avoided by arranging the first damping mechanism and the second damping mechanism, the noise generated by the main body mechanism of the motor can be absorbed by arranging soundproof cotton, the noise transmission can be reduced under the condition of ensuring ventilation by arranging the soundproof cover mechanism, and the noise of the rare earth permanent magnet synchronous motor is reduced.
Drawings
Fig. 1 is a schematic structural diagram of a low-noise rare earth permanent magnet synchronous motor.
Fig. 2 is a partially enlarged view of the area a in fig. 1.
Fig. 3 is a schematic structural diagram of a sound insulation cover mechanism in a low-noise rare earth permanent magnet synchronous motor.
In the figure: 1. a base; 2. an adjustment mechanism; 201. adjusting the fixing plate; 202. a threaded rod; 203. adjusting the handle; 204. an adjusting block; 3. a first damper mechanism; 301. a first rotating base; 302. a first damping sleeve; 303. a first spring; 304. a first damping block; 305. a first shock-absorbing lever; 306. a second rotating base; 4. mounting a plate; 5. a second damper mechanism; 501. a second damping sleeve; 502. a second spring; 503. a second damping block; 504. a second shock-absorbing lever; 6. a housing; 7. sound insulation cotton; 8. a motor main body mechanism; 801. a stator; 802. a rotor; 803. a rotating shaft; 804. a heat dissipation fan; 805. a bearing; 9. a sound-proof housing mechanism; 901. a cover body; 902. a first retainer ring; 903. a second retainer ring; 904. a vent hole.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
It should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Example 1
Referring to fig. 1-3, a low noise rare earth permanent magnet synchronous motor includes a base 1,
the base 1 is fixedly connected with an adjusting mechanism 2;
the adjusting mechanism 2 is fixedly connected with a first damping mechanism 3;
the first damping mechanism 3 is fixedly connected with the mounting plate 4;
a second damping mechanism 5 is fixedly connected between the mounting plate 4 and the adjusting mechanism 2;
the mounting plate 4 is fixedly connected with the shell 6;
a motor main body mechanism 8 is arranged in the shell 6;
the housing 6 is threadedly connected to the sound enclosure mechanism 9.
The adjusting mechanism 2 comprises two adjusting fixing plates 201 fixed on the base 1, the adjusting fixing plates 201 are connected with a threaded rod 202 in a rotating mode, the threaded rod 202 is fixedly connected with an adjusting handle 203, the threaded rod 202 is in threaded connection with two adjusting blocks 204, and threaded holes formed in the adjusting blocks 204 are reverse threads.
Specifically, the adjusting handle 203 is rotated to drive the threaded rod 202 to rotate, so as to realize the approaching or moving away of the adjusting block 204.
The first shock absorption mechanism 3 comprises a first rotating seat 301 fixed on the adjusting block 204, the first rotating seat 301 is rotatably connected with a first shock absorption sleeve 302, the first shock absorption sleeve 302 is fixedly connected with a first spring 303, the first spring 303 is fixedly connected with a first damping block 304, the first damping block 304 is slidably connected with the first shock absorption sleeve 302, the first damping block 304 is fixedly connected with a first shock absorption rod 305, the first shock absorption rod 305 penetrates through the first shock absorption sleeve 302 and is slidably connected with the first shock absorption sleeve 302, the first shock absorption rod 305 is rotatably connected with a second rotating seat 306, and the second rotating seat 306 is fixedly connected with the mounting plate 4.
The second damping mechanism 5 comprises a second damping sleeve 501 fixed on the adjusting fixing plate 201, a second spring 502 is fixedly connected in the second damping sleeve 501, the second spring 502 is fixedly connected with a second damping block 503, the second damping block 503 is slidably connected with the second damping sleeve 501, the second damping block 503 is fixedly connected with a second damping rod 504, the second damping rod 504 penetrates through the second damping sleeve 501 and is slidably connected with the second damping sleeve 501, and the second damping rod 504 is fixedly connected with the mounting plate 4.
The motor main body mechanism 8 comprises a stator 801 fixed on the shell 6, the shell 6 is rotatably connected with a rotor 802, the rotor 802 is fixedly connected with a rotating shaft 803, the rotating shaft 803 is fixedly connected with a heat dissipation fan 804 and a bearing 805, and the outer side of the bearing 805 is arranged in the shell 6.
Example 2
Referring to fig. 1-3, the other contents of the present embodiment are the same as embodiment 1, except that: the sound-proof housing mechanism 9 comprises a housing 901 in threaded connection with the casing 6, a first retaining ring 902 and a second retaining ring 903 are fixedly connected in the housing 901, and a plurality of ventilation holes 904 are formed in the radial side edge of the housing 901.
Specifically, the wind and noise in the housing 6 are greatly attenuated by the first and second baffle rings 902 and 903, thereby reducing the noise.
In the implementation process of the utility model, firstly, the damping hardness of the integral motor is adjusted as required, then the adjusting mechanism 2 is controlled to control the states of the first damping mechanism 3 and the second damping mechanism 5, and then when the motor main body mechanism 8 works, the first damping mechanism 3 and the second damping mechanism 5 can effectively reduce the noise generated by vibration, meanwhile, the soundproof cotton 7 can isolate most of the noise in the shell 6, and in addition, the soundproof cover mechanism 9 can reduce the noise under the condition of ensuring ventilation.
According to the utility model, the working conditions of the first damping mechanism 3 and the second damping mechanism 5 can be adjusted by arranging the adjusting mechanism 2, namely, the damping hardness is controlled, so that the motor is suitable for different use environments, the noise generated by vibration of the motor during working can be avoided by arranging the first damping mechanism 3 and the second damping mechanism 5, the noise generated by the main mechanism 8 of the motor can be absorbed by arranging the soundproof cotton 7, the noise transmission can be reduced under the condition of ensuring ventilation by arranging the soundproof cover mechanism 9, and the noise of the rare earth permanent magnet synchronous motor is reduced.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A low-noise rare earth permanent magnet synchronous motor is characterized by comprising a base,
the base is fixedly connected with an adjusting mechanism;
the adjusting mechanism is fixedly connected with the first damping mechanism;
the first damping mechanism is fixedly connected with the mounting plate;
a second damping mechanism is fixedly connected between the mounting plate and the adjusting mechanism;
the mounting plate is fixedly connected with the shell;
sound insulation cotton is fixedly connected in the shell;
a motor main body mechanism is arranged in the shell;
the shell is in threaded connection with the sound-proof shield mechanism.
2. The low-noise rare-earth permanent magnet synchronous motor according to claim 1, wherein the adjusting mechanism comprises two adjusting fixing plates fixed on the base, the adjusting fixing plates are rotatably connected with a threaded rod, the threaded rod is fixedly connected with an adjusting handle, the threaded rod is in threaded connection with two adjusting blocks, and threaded holes formed in the adjusting blocks are mutually reverse threads.
3. The low noise rare earth PMSM of claim 2, wherein the first damping mechanism includes a first rotating base fixed to the adjusting block, the first rotating base is rotatably connected to a first damping sleeve, the first damping sleeve is fixedly connected to a first spring, the first spring is fixedly connected to a first damping block, the first damping block is slidably connected to the first damping sleeve, the first damping block is fixedly connected to a first damping rod, the first damping rod passes through the first damping sleeve and is slidably connected to the first damping sleeve, the first damping rod is rotatably connected to a second rotating base, and the second rotating base is fixedly connected to the mounting plate.
4. The low-noise rare-earth permanent magnet synchronous motor according to claim 2, wherein the second damping mechanism comprises a second damping sleeve fixed on the adjusting fixing plate, a second spring is fixedly connected in the second damping sleeve, the second spring is fixedly connected with a second damping block, the second damping block is slidably connected with the second damping sleeve, the second damping block is fixedly connected with a second damping rod, the second damping rod passes through the second damping sleeve and is slidably connected with the second damping sleeve, and the second damping rod is fixedly connected with the mounting plate.
5. The low noise rare earth PMSM of claim 1, wherein the main body mechanism of the motor includes a stator fixed on a housing, the housing is rotatably connected with a rotor, the rotor is fixedly connected with a rotating shaft, the rotating shaft is fixedly connected with a heat dissipation fan and a bearing, and the outer side of the bearing is arranged in the housing.
6. The low-noise rare-earth permanent magnet synchronous motor according to claim 1, wherein the sound-proof housing mechanism comprises a housing body in threaded connection with the housing, a first baffle ring and a second baffle ring are fixedly connected in the housing body, and a plurality of ventilation holes are formed in the radial side edge of the housing body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122011427.XU CN216625482U (en) | 2021-08-25 | 2021-08-25 | Low-noise rare earth permanent magnet synchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122011427.XU CN216625482U (en) | 2021-08-25 | 2021-08-25 | Low-noise rare earth permanent magnet synchronous motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216625482U true CN216625482U (en) | 2022-05-27 |
Family
ID=81681442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122011427.XU Active CN216625482U (en) | 2021-08-25 | 2021-08-25 | Low-noise rare earth permanent magnet synchronous motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216625482U (en) |
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2021
- 2021-08-25 CN CN202122011427.XU patent/CN216625482U/en active Active
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