CN210053326U - Effectively noise-reducing shaded pole asynchronous motor - Google Patents
Effectively noise-reducing shaded pole asynchronous motor Download PDFInfo
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- CN210053326U CN210053326U CN201921201221.XU CN201921201221U CN210053326U CN 210053326 U CN210053326 U CN 210053326U CN 201921201221 U CN201921201221 U CN 201921201221U CN 210053326 U CN210053326 U CN 210053326U
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- end housing
- reducing
- shaded pole
- asynchronous motor
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Abstract
The utility model relates to a motor manufacturing technology field aims at providing an effective shaded pole asynchronous motor who makes an uproar that falls, and its technical scheme main points are: including motor casing, set up the drive assembly in motor casing, drive assembly includes the iron core, set up in the inboard rotor of iron core, motor casing includes front end housing and rear end cap, front end housing and rear end cap inside wall surface are all scribbled and are equipped with the sound absorption coating, front end housing and rear end cap threaded connection are respectively in the both sides of iron core, the through-hole has been seted up at front end housing lateral wall center, the pivot of rotor runs through the through-hole and stretches out the front end housing outside, the inboard laminating of front end housing is provided with the puigging that soundproof cotton pad made, one side that the puigging deviates from the front end housing lateral wall is provided with the layer. The utility model has the advantages of simple structure, sound insulation and good noise reduction effect.
Description
Technical Field
The utility model relates to a motor manufacturing technology field, in particular to effectively fall shaded pole asynchronous motor who makes an uproar.
Background
The Motor is a device for converting electric energy into mechanical energy, mainly composed of a stator and a rotor, and is characterized in that a rotating magnetic field is generated by an electrified coil (namely a stator winding) and acts on the rotor (such as a squirrel-cage closed aluminum frame) to form magnetoelectric power rotating torque. The motors are divided into direct current motors and alternating current motors according to different power supplies, most of the motors in the power system are alternating current motors, and can be synchronous motors or asynchronous motors (the rotating speed of a stator magnetic field of the motor is different from the rotating speed of a rotor to keep synchronous speed).
Chinese patent with publication number CN204835762U discloses an embedded high temperature resistant shaded pole asynchronous motor, which comprises a motor shell, a motor driving assembly is arranged in the motor shell, the motor driving assembly is connected with the motor shell through a bearing, a heat insulation part is arranged on the end face of the motor shell, the heat insulation part is arranged between a fan blade and the motor shell, the heat insulation part comprises high temperature cotton, a heat insulation mounting plate, the high temperature cotton is tightly attached to the motor shell, the heat insulation mounting plate compresses and fixes the high temperature cotton on the motor shell through a screw, the motor shell is a cylindrical open shell, and the motor driving assembly is directly exposed out of the motor shell.
Although this kind of prior art scheme plays the effect of accelerating the motor heat dissipation through installation high temperature cotton and thermal-insulated mounting panel on motor casing, in the in-service use, because motor casing is open, and motor drive assembly directly exposes outside the motor casing, the motor during operation can produce great noise, consequently needs further improvement.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an effectively fall shaded pole asynchronous motor who makes an uproar has simple structure, gives sound insulation the advantage that noise reduction effect is good.
The above technical purpose of the present invention can be achieved by the following technical solutions:
the utility model provides an effectively fall shaded pole asynchronous motor who makes an uproar, includes motor casing, sets up the drive assembly in motor casing, drive assembly includes the iron core, sets up in the inboard rotor of iron core, motor casing includes front end housing and rear end cap, the front end housing with rear end cap threaded connection is in the both sides of iron core respectively, the pivot of rotor runs through front end housing lateral wall center and stretches out the front end housing outside, the inboard laminating of front end housing is provided with the puigging, one side that the puigging deviates from the front end housing lateral wall is provided with and falls the layer of making an uproar.
Through adopting above-mentioned technical scheme, set up in the puigging of front end housing inboard and fall the sound wave that the layer can the inside during operation of effectively absorbing motor casing produced to turn into heat energy with the sound wave and lose, thereby reach the effect that effectively reduces motor running noise.
Further, the soundproof layer is a soundproof cotton pad.
Through adopting above-mentioned technical scheme, soundproof cotton pad has the multifilament structure, and the sound wave is through reflection, stack, the collision of countless fibre, and sound wave energy transformation becomes heat energy to weaken gradually and disappear, reach the effect of amortization and falling noise.
Furthermore, a plurality of regular hexagonal honeycomb holes are formed in the surface of the noise reduction layer in a penetrating mode.
Through adopting above-mentioned technical scheme, regular hexagon honeycomb holes can play further the effect of inhaling the sound and making an uproar.
Furthermore, sound-absorbing coatings are coated on the surfaces of the inner side walls of the front end cover and the rear end cover.
By adopting the technical scheme, the sound-absorbing coating is of a porous structure, so that sound waves generated inside the motor shell can be effectively absorbed, and the sound-absorbing and noise-reducing effects are achieved; on the other hand, the sound-absorbing coating has the characteristics of water resistance, corrosion resistance and high temperature resistance, and can improve the protective performance of the motor shell to a certain extent.
Furthermore, the side wall of the front end cover is provided with a plurality of radiating holes penetrating through the side wall of the front end cover in a surrounding way by taking the through hole as a circle center.
Through adopting above-mentioned technical scheme, the inside sound wave of motor casing is absorbed in proper order and is converted into heat energy by noise reduction layer, puigging and sound absorption coating, and the heat of production can in time scatter and disappear from the louvre to help reducing the inside temperature of motor casing.
Further, a nylon filter screen is arranged between the sound absorption coating and the sound insulation layer.
Through adopting above-mentioned technical scheme, nylon filter screen matter is light, intensity is high, can effectively filter and block that the foreign matter gets into motor casing inside from the louvre to reduced because of the foreign matter gets into inside the motor casing and lead to the motor operating efficiency to reduce the probability of breaking down even.
Further, the iron core with all be provided with the sealing washer between front end housing and the rear end cap.
By adopting the technical scheme, the sealing ring can further increase the sealing performance of the connection between the front end cover and the iron core and between the rear end cover and the iron core.
Furthermore, the bottom of the front end cover is fixedly connected with a connecting seat, and a fixing bolt for mounting a motor is arranged on the connecting seat.
Through adopting above-mentioned technical scheme, the installation of realization motor that fixing bolt can be convenient firm.
To sum up, the utility model discloses following beneficial effect has:
1. the sound-absorbing coating is coated on the inner side wall of the front end cover of the motor, and the sound-insulating layer and the noise-reducing layer which are made of the sound-insulating cotton pads are sequentially arranged on the inner side of the sound-absorbing coating, so that the effect of effectively absorbing sound waves and converting the sound waves into heat energy to be dissipated is achieved;
2. the through holes are used as circle centers on the side wall of the front end cover to surround and arrange a plurality of heat dissipation holes penetrating through the side wall of the front end cover, so that the effect of quickly dissipating heat energy generated by dissipating sound waves in the motor shell is achieved.
Drawings
FIG. 1 is an overall schematic diagram of a shaded pole asynchronous motor with effective noise reduction in an embodiment;
FIG. 2 is a schematic diagram illustrating the connection relationship between the connection seat and the front cover, and between the fixing bolt and the connection seat in the embodiment;
FIG. 3 is a disassembled schematic diagram of the connection relationship among the sound-absorbing coating layer, the heat-insulating layer and the noise reduction layer in the embodiment.
In the figure, 1, a motor shell; 11. a front end cover; 12. a rear end cap; 2. a drive assembly; 21. a rotor; 22. an iron core; 3. a seal ring; 4. heat dissipation holes; 5. a sound absorbing coating; 6. a nylon filter screen; 7. a sound insulating layer; 8. a noise reduction layer; 81. regular hexagonal honeycomb holes; 9. a connecting seat; 10. and (5) fixing the bolt.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example (b):
the utility model provides an effective cover utmost point asynchronous motor who makes an uproar that falls, as shown in fig. 1, includes motor casing 1, and motor casing 1 includes front end housing 11 and rear end cap 12, is provided with drive assembly 2 in motor casing 1, and drive assembly 2 includes rotor 21, sets up in the iron core 22 in the rotor 21 outside, and front end housing 11 and rear end cap 12 are threaded connection respectively in the both sides of iron core 22, are provided with respectively between iron core 22 and front end housing 11 and rear end cap 12 and gather tetrafluoro sealing washer 3.
As shown in fig. 1, a rotating shaft of the rotor 21 penetrates through the center of the side wall of the front end cover 11 and extends out of the front end cover 11, a plurality of heat dissipation holes 4 penetrating through the side wall of the front end cover 11 are formed in the side wall of the front end cover 11, and the heat dissipation holes 4 are arranged around the center of the front end cover 11.
As shown in fig. 2, a sound-absorbing coating 5 is coated on the inner side wall surfaces of the front end cover 11 and the rear end cover 12, and the sound-absorbing coating 5 is of a porous structure and can effectively absorb sound waves generated inside the motor housing 1, so that the sound-absorbing and noise-reducing effects are achieved; on the other hand, the sound-absorbing coating 5 has the characteristics of water resistance, corrosion resistance and high temperature resistance, and can improve the protective performance of the motor housing 1 to a certain extent.
As shown in figure 2, be close to motor casing 1 inside one side at sound absorption coating 5 and bond and be fixed with nylon filter screen 6, nylon filter screen 6 matter is light, intensity is high, can effectively filter and block that the foreign matter gets into motor casing 1 inside from louvre 4 to reduced because of the foreign matter gets into motor casing 1 inside and lead to motor operating efficiency to reduce the probability of breaking down even.
As shown in figure 2, be close to motor casing 1 inside one side at nylon filter screen 6 and pass through the glue bonding and be fixed with puigging 7, puigging 7 is made for the soundproof cotton pad, and the soundproof cotton pad has the multifilament structure, and the sound wave is through countless fibrous reflection, stack, collision, and sound wave energy turns into heat energy to weaken gradually and disappear, reach the effect of amortization and noise reduction.
As shown in FIG. 2, a noise reduction layer 8 is fixed on one side of the sound insulation layer 7, which is far away from the outer side wall of the front end cover 11, through glue bonding, the noise reduction layer 8 is provided with a plurality of regular hexagon honeycomb holes 81 in a penetrating manner, and the honeycomb holes can play a role in further absorbing sound and reducing noise.
As shown in fig. 3, a connecting base 9 is integrally formed at the bottom of a front end cover 11, and a fixing bolt 10 for fixedly mounting a motor is provided on the connecting base 9.
The specific implementation process comprises the following steps:
when the motor works, sound generated by the operation of the rotor 21 in the motor shell 1 is refracted and reflected through the honeycomb holes of the noise reduction layer 8, so that the sound is preliminarily weakened, sound waves passing through the noise reduction layer 8 are reflected, superposed and collided through countless fibers in the soundproof cotton, the sound wave energy is converted into heat energy, so that the heat energy is further weakened, and finally the residual sound waves are further attenuated through the absorption of the sound absorption coating 5, so that the effective sound absorption and noise reduction effects are achieved; on the other hand, because the sound wave can be converted into heat energy in the process of being absorbed and attenuated again, the heat energy can be discharged from the heat dissipation holes 4 of the front end cover 11 in time, and therefore the effect of effectively dissipating heat of the motor is achieved.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
Claims (8)
1. The utility model provides an effectively fall shaded pole asynchronous motor who makes an uproar, includes motor casing (1), sets up drive assembly (2) in motor casing (1), drive assembly (2) include iron core (22), set up in the inboard rotor (21) of iron core (22), its characterized in that: motor casing (1) includes front end housing (11) and rear end housing (12), front end housing (11) with rear end housing (12) threaded connection respectively in the both sides of iron core (22), the pivot of rotor (21) runs through front end housing (11) lateral wall center and stretches out front end housing (11) outside, front end housing (11) inboard laminating is provided with puigging (7), one side that puigging (7) deviate from front end housing (11) lateral wall is provided with and falls layer (8) of making an uproar.
2. An effective noise-reducing shaded pole asynchronous motor according to claim 1, wherein: the soundproof layer (7) is a soundproof cotton pad.
3. An effective noise-reducing shaded pole asynchronous motor according to claim 1, wherein: and a plurality of regular hexagonal honeycomb holes (81) are formed in the surface of the noise reduction layer (8) in a penetrating manner.
4. An effective noise-reducing shaded pole asynchronous motor according to claim 2, wherein: and sound absorption coatings (5) are coated on the surfaces of the inner side walls of the front end cover (11) and the rear end cover (12).
5. An effective noise-reducing shaded pole asynchronous motor according to claim 4, wherein: the side wall of the front end cover (11) is provided with a plurality of radiating holes (4) which penetrate through the side wall of the front end cover (11) in a surrounding way by taking the through hole as a circle center.
6. An effective noise-reducing shaded pole asynchronous motor according to claim 5, wherein: and a nylon filter screen (6) is arranged between the sound absorption coating (5) and the sound insulation layer (7).
7. An effective noise-reducing shaded pole asynchronous motor according to claim 1, wherein: and a sealing ring (3) is arranged between the iron core (22) and the front end cover (11) and the rear end cover (12).
8. An effective noise-reducing shaded pole asynchronous motor according to claim 1, wherein: the motor fixing device is characterized in that a connecting seat (9) is fixedly connected to the bottom of the front end cover (11), and a fixing bolt (10) used for installing a motor is arranged on the connecting seat (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921201221.XU CN210053326U (en) | 2019-07-27 | 2019-07-27 | Effectively noise-reducing shaded pole asynchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921201221.XU CN210053326U (en) | 2019-07-27 | 2019-07-27 | Effectively noise-reducing shaded pole asynchronous motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210053326U true CN210053326U (en) | 2020-02-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921201221.XU Active CN210053326U (en) | 2019-07-27 | 2019-07-27 | Effectively noise-reducing shaded pole asynchronous motor |
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| Country | Link |
|---|---|
| CN (1) | CN210053326U (en) |
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2019
- 2019-07-27 CN CN201921201221.XU patent/CN210053326U/en active Active
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