CN110429751B - Three-phase alternating current motor vibration noise suppression device - Google Patents
Three-phase alternating current motor vibration noise suppression device Download PDFInfo
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- CN110429751B CN110429751B CN201910646994.7A CN201910646994A CN110429751B CN 110429751 B CN110429751 B CN 110429751B CN 201910646994 A CN201910646994 A CN 201910646994A CN 110429751 B CN110429751 B CN 110429751B
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- current motor
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/24—Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or vibrations
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
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- Motor Or Generator Frames (AREA)
Abstract
The invention provides a three-phase alternating current motor vibration noise suppression device, which comprises sound-absorbing cotton and a ventilating heat-radiating fan; the motor mounting plate is of a rectangular plate-shaped structure, the rubber cushion and the mounting rubber strip are respectively mounted on the upper side end face and the lower side end face of the motor mounting plate, and the three-phase alternating-current motor is mounted on the top end face of the motor mounting plate; the noise reduction shell is of an arc-shaped cover mounting structure, the noise reduction shell is mounted on the end face of the top of the motor mounting plate, and the three-phase alternating-current motor is positioned in the noise reduction shell; when the three-phase alternating current motor works, the noise is absorbed by the sound absorption cotton arranged on the inner wall of the noise reduction shell, the noise decibel of the three-phase alternating current motor is weakened, and the influence of the noise of the three-phase alternating current motor on the external working environment is reduced; and the setting of the bleeder vent of the shell both sides of making an uproar falls, the accessible bleeder vent is to falling the inside work of ventilating of the shell of making an uproar, the inside three-phase alternating current motor installation area ventilation effect of the shell of making an uproar of guaranteeing to fall.
Description
Technical Field
The invention belongs to the technical field of three-phase alternating current motors and noise reduction, and particularly relates to a vibration noise suppression device of a three-phase alternating current motor.
Background
The three-phase alternating current motor is an alternating current motor driven by three-phase alternating current; the three-phase motor is characterized in that when three-phase stator windings (with the difference of 120 electrical degrees) of the motor are electrified with three-phase alternating current, a rotating magnetic field is generated and cuts a rotor winding to generate electricity; the motor comprises a three-phase synchronous motor and a three-phase asynchronous motor; the three-phase ac motor vibration noise suppression device can refer to patent No. CN207442616U, which mainly includes a second bottom plate, a base plate, a second noise reduction cotton and a plurality of connecting pieces; the second bottom plate is arranged at the inlet and outlet of the motor fluid, the substrate is positioned at the outer side of the second bottom plate, and the substrate is connected with the second bottom plate through a plurality of connecting pieces; the substrate is provided with a plurality of mounting holes; each connecting piece consists of a bolt, a sleeve and a nut, the head of the bolt is welded on the second bottom plate, a screw rod of the bolt penetrates through the mounting hole of the base plate, and one screw rod corresponds to one mounting hole; the sleeve is sleeved on the screw rod between the bolt head and the base plate; a nut is screwed on the screw rod on the outer side of the substrate; the second silencing cotton is arranged in a space between the second bottom plate and the base plate; the invention can effectively eliminate the fluid noise of the motor; the second bottom plate and the base plate are fixedly connected together through bolts and nuts, so that the base plate is easy to disassemble, and the second silencing cotton is convenient and quick to replace; when the second silencing cotton is replaced, the substrate is only required to be detached; when the existing similar three-phase alternating current motor vibration noise suppression device is used, the slow vibration effect of the three-phase alternating current motor is poor, large vibration noise is easily generated when the three-phase alternating current motor runs, the noise suppression effect of the three-phase alternating current motor is influenced, the external ventilation and heat dissipation effect of the three-phase alternating current motor is poor, the three-phase alternating current motor is easily overheated when in use, and the service life of the three-phase alternating current motor is influenced.
Disclosure of Invention
In order to solve the technical problems, the invention provides a three-phase alternating current motor vibration noise suppression device, which aims to solve the problems that the conventional similar three-phase alternating current motor vibration noise suppression device has poor vibration damping effect on a three-phase alternating current motor, generates large vibration noise easily when the three-phase alternating current motor runs, influences the noise suppression effect of the three-phase alternating current motor, has poor ventilation and heat dissipation effect on the exterior of the three-phase alternating current motor, is easy to overheat when the three-phase alternating current motor is used, and influences the service life of the three-phase alternating current motor.
The purpose and the effect of the vibration noise suppression device of the three-phase alternating current motor are achieved by the following specific technical means:
a three-phase alternating current motor vibration noise suppression device comprises a motor mounting plate, a rubber cushion pad, a mounting rubber strip, a noise reduction shell, air holes, a fan assembly hole, a sound insulation plate, sound absorption cotton and a ventilating heat dissipation fan; the motor mounting plate is of a rectangular plate-shaped structure, the rubber cushion and the mounting rubber strip are respectively mounted on the upper side end face and the lower side end face of the motor mounting plate, and the three-phase alternating-current motor is mounted on the top end face of the motor mounting plate; the noise reduction shell is of an arc-shaped cover mounting structure, the noise reduction shell is mounted on the end face of the top of the motor mounting plate, and the three-phase alternating-current motor is positioned in the noise reduction shell; the acoustic baffle plates are respectively arranged on the left side and the right side of the noise reduction shell; the sound-absorbing cotton is of an arc-shaped covering structure and is attached to the inner wall of the noise-reducing shell; the ventilating heat dissipation fan is arranged on the outer wall of the right side of the noise reduction shell.
Furthermore, the rubber buffer pads are all arranged on the top end surface of the motor installation plate, and the installation parts of the bottom bolts of the three-phase alternating current motor are respectively pressed on the top end surfaces of the two rubber buffer pads; the rubber buffer gasket is of a circular ring sheet structure and is pressed on the top end face of the bolt installation part at the bottom of the three-phase alternating-current motor through a bolt.
Furthermore, the mounting rubber strips are arranged at two positions, the two mounting rubber strips are respectively arranged on the end surface of the bottom of the motor mounting plate, and the motor mounting plate is attached to the position, required to be mounted, of the three-phase alternating-current motor through the mounting rubber strips.
Further, the noise reduction shell is sleeved on the outer side of the top of the motor mounting plate, a layer of sound absorption cotton is arranged on the inner wall of the noise reduction shell in a surrounding mode, and the end face of the outer side of the sound absorption cotton is wavy.
Furthermore, a plurality of air holes are formed in the outer walls of the left side and the right side of the noise reduction shell, and the air holes are communicated with the inside of the noise reduction shell.
Furthermore, the ventilating and radiating fan is arranged in a fan assembling hole formed in the right side of the noise reduction shell and is connected with a power supply circuit of the three-phase alternating-current motor.
Furthermore, the acoustic celotex board is total many places, and the acoustic celotex board is installed respectively in the bleeder vent inboard for the interval shape to the fan pilot hole outside also is equipped with a place acoustic celotex board.
Compared with the prior art, the invention has the following beneficial effects:
1. the arrangement of the rubber cushion pad and the rubber cushion pad is beneficial to respectively attaching the rubber cushion pad and the rubber cushion pad to the upper end and the lower end of the bolt installation part at the bottom of the three-phase alternating-current motor, when the three-phase alternating-current motor is started, the bolt installation part at the bottom of the three-phase alternating-current motor is flexibly buffered, and the vibration intensity of the three-phase alternating-current motor is reduced; the setting of motor mounting panel bottom installation adhesive tape can be when the perpendicular installation operation of three-phase alternating current motor, is the laminating of slope form in required installation area department with the motor mounting panel through the installation adhesive tape to personnel's later stage is fixed the motor mounting panel through the bolt, makes the perpendicular installation of motor mounting panel more portably change.
2. The arrangement of the noise reduction shell and the sound absorption cotton is beneficial to absorbing noise through the sound absorption cotton arranged on the inner wall of the noise reduction shell when the three-phase alternating-current motor works, so that the noise decibel of the three-phase alternating-current motor is reduced, and the influence of the noise of the three-phase alternating-current motor on the external working environment is reduced; and the setting of the bleeder vent of the shell both sides of making an uproar falls, the accessible bleeder vent is to falling the inside work of ventilating of the shell of making an uproar, the inside three-phase alternating current motor installation area ventilation effect of the shell of making an uproar of guaranteeing to fall.
3. The arrangement of the fan assembly holes is beneficial to blowing outside air into the noise reduction shell through the rotation of the ventilating and heat dissipating fan, so that hot air contained in the noise reduction shell is replaced, and the ventilation and heat dissipation effects of the outer wall of the three-phase alternating-current motor are improved; and the setting of cooperation acoustic celotex board, when falling the inside ventilation cooling of shell of making an uproar, the noise that shell both sides bleeder vent and fan pilot hole propagated through the acoustic celotex board is fallen the noise and is blocked to avoid falling the inside three-phase alternating current motor noise of shell of making an uproar and spread from bleeder vent and fan pilot hole, influence three-phase alternating current motor noise suppression effect.
Drawings
Fig. 1 is a left side axial view structural schematic diagram of the present invention.
Fig. 2 is a right side axial view of the present invention.
Fig. 3 is a schematic view of the split structure of the present invention.
Fig. 4 is a top axial view of the motor mounting plate of the present invention.
Fig. 5 is a schematic view of the bottom structure of the motor mounting plate of the present invention.
FIG. 6 is a schematic cross-sectional view of the interior of the noise reduction housing of the present invention.
Fig. 7 is a schematic view of a sectional and disassembled structure of the left side part of the noise reduction housing of the present invention.
Fig. 8 is a schematic view of a disassembled structure of the right side part of the noise reduction housing of the present invention.
In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:
1. a motor mounting plate; 2. a rubber cushion pad; 3. a rubber cushion pad; 4. mounting an adhesive tape; 5. a noise reducing housing; 501. air holes are formed; 502. a fan assembly hole; 6. a sound insulating board; 7. sound-absorbing cotton; 8. ventilative radiator fan.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
as shown in figures 1 to 8:
the invention provides a three-phase alternating current motor vibration noise suppression device, which comprises a motor mounting plate 1, a rubber buffer pad 2, a rubber buffer pad 3, a mounting rubber strip 4, a noise reduction shell 5, air holes 501, a fan assembly hole 502, a sound insulation plate 6, sound absorption cotton 7 and a ventilating heat dissipation fan 8, wherein the motor mounting plate is provided with a plurality of mounting holes; the motor mounting plate 1 is of a rectangular plate-shaped structure, the rubber cushion 2 and the mounting rubber strip 4 are respectively mounted on the upper side end face and the lower side end face of the motor mounting plate 1, and the three-phase alternating-current motor is mounted on the top end face of the motor mounting plate 1; the noise reduction shell 5 is of an arc-shaped cover mounting structure, the noise reduction shell 5 is mounted on the end face of the top of the motor mounting plate 1, and the three-phase alternating-current motor is located inside the noise reduction shell 5; the sound insulation boards 6 are respectively arranged at the left side and the right side of the noise reduction shell 5; the sound absorption cotton 7 is of an arc-shaped cover mounting structure, and the sound absorption cotton 7 is attached to the inner wall of the noise reduction shell 5; and the ventilating heat dissipation fan 8 is arranged on the outer wall of the right side of the noise reduction shell 5.
The rubber buffer cushions 2 are all arranged on the top end surface of the motor mounting plate 1, and the bottom bolt mounting parts of the three-phase alternating current motor are respectively pressed on the top end surfaces of the two rubber buffer cushions 2; the rubber buffer gasket 3 is of a circular ring sheet structure, and the rubber buffer gasket 3 is pressed on the top end face of the bolt installation part at the bottom of the three-phase alternating-current motor through a bolt; specifically, the rubber cushion pad 2 and the rubber cushion pad 3 can be respectively attached to the upper end and the lower end of the bolt installation part at the bottom of the three-phase alternating-current motor, the bolt installation part at the bottom of the three-phase alternating-current motor is flexibly buffered, and the vibration intensity of the three-phase alternating-current motor is reduced.
The mounting rubber strips 4 are arranged at two positions, the two mounting rubber strips 4 are respectively arranged on the end surface of the bottom of the motor mounting plate 1, and the motor mounting plate 1 is attached to the position, required to be mounted, of the three-phase alternating-current motor through the mounting rubber strips 4; the specific effect can be when three-phase alternating current motor installs the operation perpendicularly, be the laminating of slope form with motor mounting panel 1 through installation adhesive tape 4 in required installation area department to personnel's later stage is fixed motor mounting panel 1 through the bolt, makes motor mounting panel 1 perpendicular installation more portably change.
The noise reduction shell 5 is sleeved on the outer side of the top of the motor mounting plate 1, a layer of sound absorption cotton 7 is arranged on the inner wall of the noise reduction shell 5 in a surrounding mode, and the end face of the outer side of the sound absorption cotton 7 is wavy; the noise reduction device has the specific effects that when the three-phase alternating-current motor works, noise is absorbed through the sound absorption cotton 7 arranged on the inner wall of the noise reduction shell 5, the noise decibel of the three-phase alternating-current motor is reduced, and the influence of the noise of the three-phase alternating-current motor on the external working environment is reduced.
The outer walls of the left side and the right side of the noise reduction shell 5 are respectively provided with a plurality of air holes 501, and the air holes 501 are communicated with the inside of the noise reduction shell 5; the specific effect, accessible bleeder vent 501 is to falling the inside work of ventilating of shell 5 of making an uproar, and the assurance falls the inside three-phase alternating current motor installation area ventilation effect of making an uproar 5.
The ventilating and radiating fan 8 is arranged in a fan assembly hole 502 formed in the right side of the noise reduction shell 5, and the ventilating and radiating fan 8 is connected with a power supply circuit of the three-phase alternating-current motor; concrete effect, the ventilative radiator fan 8 of accessible rotates, blows outside air to the shell 5 inside of making an uproar that falls, replaces the inside hot-air that contains of shell 5 of making an uproar, promotes three-phase AC motor outer wall ventilation cooling effect.
The sound insulation plates 6 are arranged at a plurality of positions, the sound insulation plates 6 are arranged at the inner sides of the air holes 501 at intervals, and one sound insulation plate 6 is also arranged at the outer side of the fan assembling hole 502; the noise reduction device has the advantages that noise transmitted by the air holes 501 and the fan assembling holes 502 on the two sides of the noise reduction shell 5 can be blocked through the sound insulation plate 6 when the inside of the noise reduction shell 5 is ventilated and radiated, so that noise of the three-phase alternating-current motor inside the noise reduction shell 5 is prevented from being transmitted from the air holes 501 and the fan assembling holes 502, and the noise suppression effect of the three-phase alternating-current motor is prevented from being influenced.
The specific use mode and function of the embodiment are as follows:
when the motor installation plate is used, a worker obliquely attaches the motor installation plate 1 to a required installation area through the installation rubber strip 4 and fixes the motor installation plate 1 through bolts; next, respectively pressing and installing bolt installation parts at the bottoms of the three-phase alternating-current motors on the top end surfaces of the two rubber cushion pads 2 by workers, pressing and installing the rubber cushion pads 3 on the top end surfaces of the bolt installation parts at the bottoms of the three-phase alternating-current motors by bolts, and fixing the three-phase alternating-current motors to reduce the vibration intensity of the three-phase alternating-current motors; then, the worker installs the noise reduction shell 5 on the outer side of the top of the motor installation plate 1, so that the three-phase alternating-current motor is positioned in the noise reduction shell 5, and the ventilation heat dissipation fan 8 on the right side of the noise reduction shell 5 is connected with a power supply circuit of the three-phase alternating-current motor, so that the installation of the device can be completed; when the three-phase alternating current motor is used, the sound absorption cotton 7 arranged on the inner wall of the noise reduction shell 5 absorbs noise, so that the noise decibel of the three-phase alternating current motor is reduced, and the influence of the noise of the three-phase alternating current motor on the external working environment is reduced; the ventilative radiator fan 8 that the shell 5 right side of making an uproar was installed of making an uproar starts, blows outside air to the shell 5 inside of making an uproar that makes an uproar, replaces the inside hot-air that contains of shell 5 of making an uproar, guarantee three-phase AC motor outer wall ventilation radiating effect.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (4)
1. A three-phase AC motor vibration noise suppression device is characterized in that: the three-phase alternating current motor vibration noise suppression device comprises a motor mounting plate (1), a rubber buffer pad (2), a rubber buffer gasket (3), a mounting rubber strip (4), a noise reduction shell (5), air holes (501), a fan assembly hole (502), a sound insulation plate (6), sound absorption cotton (7) and a ventilating heat dissipation fan (8); the motor mounting plate (1) is of a rectangular plate-shaped structure, the rubber cushion (2) and the mounting rubber strips (4) are respectively mounted on the upper side end face and the lower side end face of the motor mounting plate (1), and the three-phase alternating-current motor is mounted on the top end face of the motor mounting plate (1); the noise reduction shell (5) is of an arc-shaped cover mounting structure, the noise reduction shell (5) is mounted on the end face of the top of the motor mounting plate (1), and the three-phase alternating-current motor is located inside the noise reduction shell (5); the sound insulation plates (6) are respectively arranged at the left side and the right side of the noise reduction shell (5); the sound absorption cotton (7) is of an arc-shaped cover structure, and the sound absorption cotton (7) is attached to the inner wall of the noise reduction shell (5); the ventilating heat dissipation fan (8) is arranged on the outer wall of the right side of the noise reduction shell (5);
the rubber buffer cushions (2) are all arranged on the top end surface of the motor mounting plate (1), and the bottom bolt mounting parts of the three-phase alternating current motor are respectively pressed on the top end surfaces of the two rubber buffer cushions (2); the rubber buffer gasket (3) is of a circular ring sheet structure, and the rubber buffer gasket (3) is pressed on the top end face of the bolt installation part at the bottom of the three-phase alternating-current motor through a bolt;
the noise reduction shell (5) is sleeved on the outer side of the top of the motor mounting plate (1), a layer of sound absorption cotton (7) is arranged on the inner wall of the noise reduction shell (5) in a surrounding manner, and the end face of the outer side of the sound absorption cotton (7) is wavy;
the sound insulation boards (6) are arranged at a plurality of positions, the sound insulation boards (6) are arranged on the inner sides of the air holes (501) at intervals, and one sound insulation board (6) is also arranged on the outer side of the fan assembling hole (502).
2. A vibration noise suppressing apparatus for a three-phase alternating-current motor according to claim 1, wherein: the mounting rubber strips (4) are arranged at two positions, the two mounting rubber strips (4) are arranged on the end face of the bottom of the motor mounting plate (1) respectively, and the motor mounting plate (1) is attached to the position, required to be mounted, of the three-phase alternating-current motor through the mounting rubber strips (4).
3. A vibration noise suppressing apparatus for a three-phase alternating-current motor according to claim 1, wherein: a plurality of air holes (501) are formed in the outer walls of the left side and the right side of the noise reduction shell (5), and the air holes (501) are communicated with the interior of the noise reduction shell (5).
4. A vibration noise suppressing apparatus for a three-phase alternating-current motor according to claim 1, wherein: the ventilating and heat-dissipating fan (8) is arranged in a fan assembly hole (502) formed in the right side of the noise reduction shell (5), and the ventilating and heat-dissipating fan (8) is connected with a power supply circuit of the three-phase alternating-current motor.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910646994.7A CN110429751B (en) | 2019-07-17 | 2019-07-17 | Three-phase alternating current motor vibration noise suppression device |
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| CN201910646994.7A CN110429751B (en) | 2019-07-17 | 2019-07-17 | Three-phase alternating current motor vibration noise suppression device |
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| CN110429751B true CN110429751B (en) | 2021-04-09 |
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| CN111404314B (en) * | 2020-04-23 | 2021-03-12 | 嘉兴学院 | Vibration noise suppression device for single-phase shaded pole motor |
| CN115173619A (en) * | 2022-06-17 | 2022-10-11 | 江苏华源防爆电机有限公司 | Servo motor |
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| US9160207B2 (en) * | 2012-12-25 | 2015-10-13 | Zhongshan Broad-Ocean Motor Co., Ltd. | High power brushless DC motor and control box structure with heat dissipation arrangement |
| US9641043B1 (en) * | 2015-03-27 | 2017-05-02 | Timothy David Leedy | Portable sound attenuating device and related methods |
| CN206673754U (en) * | 2017-03-16 | 2017-11-24 | 湖南省东方龙电机制造有限公司 | Noise-reducing and dustproof motor |
| CN207134932U (en) * | 2017-09-20 | 2018-03-23 | 天津市正方科技发展有限公司 | Tractor hoist and workover rig switched reluctance machines |
| CN208110473U (en) * | 2018-03-27 | 2018-11-16 | 南京弘凯成电子科技有限公司 | A kind of computer cabinet of high efficiency and heat radiation |
| CN208508684U (en) * | 2018-08-01 | 2019-02-15 | 东莞市超颖电机科技有限公司 | A kind of Variable power series dc motor |
| CN208967977U (en) * | 2018-08-01 | 2019-06-11 | 安徽陆泰电气科技有限公司 | A kind of ventilation device based on noiseless silent technology |
| CN209046432U (en) * | 2018-09-19 | 2019-06-28 | 贵州大工新能源科技有限公司 | A kind of high efficiency motor of low noise |
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Effective date of registration: 20210325 Address after: 528 Chunhui Road, Huishan Economic Development Zone, Wuxi City, Jiangsu Province Applicant after: JIANGSU XI'ANDA EXPLOSIVE-PROOF Co.,Ltd. Address before: 050501 Han Yu village, Tsing Tong Town, Lingshou County, Shijiazhuang, Hebei Applicant before: Yang Guoli |
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