CN212183268U - Low-noise motor with variable frequency speed regulation - Google Patents
Low-noise motor with variable frequency speed regulation Download PDFInfo
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- CN212183268U CN212183268U CN202021174264.6U CN202021174264U CN212183268U CN 212183268 U CN212183268 U CN 212183268U CN 202021174264 U CN202021174264 U CN 202021174264U CN 212183268 U CN212183268 U CN 212183268U
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Abstract
The utility model belongs to the field of motors, in particular to a low-noise motor with variable frequency speed regulation, which comprises a transmission mechanism, wherein the transmission mechanism comprises a motor body and a plurality of radiating fins integrally formed on the outer wall of the motor body, the tail output end of the motor body is coaxially and fixedly connected with a radiating fan blade, the motor body is sleeved with a flow guide mechanism, and the flow guide mechanism comprises a flow guide cover shell, an air inlet net and a sound insulation flow guide ring; the guide plate gives sound insulation when carrying out the water conservancy diversion to the air current, still can carry out the separation to the noise that radiating fan blade rotated the production, the water conservancy diversion ring that gives sound insulation can lead the air current, prevent that the air current from blowing out through the net that admits air, reduce the noise that the air current blown the net that admits air, when sound is through the outside conduction of the net that admits air, the acoustic celotex board absorbs sound, further reduce the transmission of sound, outside air current accessible inlet port, gas transmission hole and the net that admits air enter into inside the kuppe casing, when making an uproar falls, guarantee the normal.
Description
Technical Field
The utility model relates to a motor field specifically is a low noise motor with Variable Frequency Speed Governing (VFSG).
Background
The variable frequency speed regulating motor is called variable frequency motor for short, and is a general name of a motor driven by a frequency converter. In fact, the motor designed for the frequency converter is a special frequency conversion motor, and the motor can realize different rotating speeds and torques under the driving of the frequency converter so as to adapt to the requirement change of the load. The variable frequency motor is developed from a traditional squirrel cage motor, a traditional motor fan is changed into an independent fan, the insulation performance of a motor winding is improved, and when the motor rotates at a high speed, the cooling fan can rotate in a stepping mode and can generate large wind noise under the action of air.
The radiator fan of the existing variable-frequency speed-regulating motor directly uses the fan cover to cover, the original fan cover structure is single, noise generated when the radiator fan rotates at high speed cannot be reduced, the integral noise of the motor is large, and noise pollution is caused. Accordingly, those skilled in the art have provided a low noise motor with variable frequency speed control to solve the above problems in the background art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a low noise motor with variable frequency speed governing to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a low-noise motor with variable frequency speed regulation comprises a transmission mechanism, wherein the transmission mechanism comprises a motor body and a plurality of radiating fins integrally formed on the outer wall of the motor body, the tail output end of the motor body is coaxially and fixedly connected with radiating fan blades, a guide mechanism is sleeved on the motor body and comprises a guide cover shell, an air inlet net and a sound insulation guide ring, the guide cover shell is fixedly connected with the motor body through bolts and sleeved outside the radiating fins, a mounting hole is formed in the middle position of the guide cover shell, the air inlet net is mounted on the inner wall of the mounting hole, the sound insulation guide ring is fixed on the inner side wall of the guide cover shell and is positioned on the outer edge of the mounting hole, a sound insulation guide plate is arranged inside the guide cover shell, and the air inlet net, the sound insulation guide ring and the sound insulation guide plate are coaxially arranged, the utility model discloses a motor, including motor body, sound-proof guide plate, water conservancy diversion mechanism, sound-proof guide plate and sound-proof board, sound-proof guide plate pass through branch with air inlet net fixed connection, the sound-proof guide mechanism is kept away from motor body's one end is installed and is fallen the mechanism of making an uproar, it includes the sound-proof housing and fixes the acoustic celotex board at its inner wall to fall the mechanism of making an uproar, the sound-proof housing with air inlet net corresponding one side coaxial fixation has the abatvoix, the central point of sound-proof housing puts the department and has seted up a plurality of inlet port, a plurality.
As a further aspect of the present invention: the diameter of the air inlet net is smaller than that of the sound-absorbing plate.
As a further aspect of the present invention: a plurality of grooves are formed in one side face, corresponding to the air inlet net, of the sound absorption plate.
As a further aspect of the present invention: the diameter of the sound insulation guide plate is larger than the outer diameters of the sound insulation guide ring and the radiating fan blades.
As a further aspect of the present invention: the inner wall of kuppe casing presss from both sides and is equipped with sound absorbing material, sound absorbing material's thickness is 2 millimeters.
As a further aspect of the present invention: the sound-absorbing material and the sound-absorbing board are made of glass fiber.
As a further aspect of the present invention: the sound-proof housing is made of stainless steel.
Compared with the prior art, the beneficial effects of the utility model are that:
the output shaft of the motor body drives the heat dissipation fan blades to rotate at a high speed, the sound insulation guide plate guides the air flow blown by the heat dissipation fan blades to disperse the air flow to the periphery, then the air flow is guided by the flow guide cover shell and blown to the heat dissipation fins, the sound insulation guide plate can also block the noise generated by the rotation of the heat dissipation fan blades when guiding the air flow, meanwhile, the sound insulation guide ring can guide the air flow to the periphery, the air flow is prevented from being blown out by the air inlet net, the noise generated by the air flow blowing the air inlet net is reduced, the sound is absorbed by the sound insulation plate when being conducted outwards by the air inlet net, the sound transmission is further reduced, meanwhile, the external air flow can enter the flow guide cover shell through the air inlet, the air delivery hole and the air inlet net, the air pressure balance in the flow guide cover shell is kept, and the normal circulation of the air flow, the operation of the motor body is not affected.
Drawings
FIG. 1 is a schematic structural diagram of a low-noise motor with variable frequency speed regulation;
FIG. 2 is an enlarged view of the point A in FIG. 1;
FIG. 3 is a schematic diagram of an air inlet network structure in a low-noise motor with variable frequency speed regulation;
FIG. 4 is a schematic structural diagram of a sound-proof housing in a low-noise motor with variable frequency speed regulation;
fig. 5 is a schematic structural diagram of a sound insulation board in a low-noise motor with variable frequency speed regulation.
In the figure: 1. a transmission mechanism; 11. a motor body; 12. a heat dissipating fin; 13. a heat dissipation fan blade; 2. a flow guide mechanism; 201. mounting holes; 21. a dome housing; 22. a sound absorbing material; 23. an air intake network; 231. a strut; 24. a sound insulation guide ring; 25. a sound insulation guide plate; 3. a noise reduction mechanism; 301. an air inlet; 302. a gas transmission hole; 303. a groove; 31. a sound-proof housing; 32. a sound insulating board; 33. an acoustic panel.
Detailed Description
Referring to fig. 1 to 5, in an embodiment of the present invention, a low noise motor with frequency conversion speed regulation includes a transmission mechanism 1, the transmission mechanism 1 includes a motor body 11 and a plurality of heat dissipation fins 12 integrally formed on an outer wall of the motor body 11, a heat dissipation fan 13 is fixedly connected to an output end of an end portion of the motor body 11, a diversion mechanism 2 is sleeved on the motor body 11, the diversion mechanism 2 includes a diversion cover housing 21, an air inlet net 23 and a sound insulation diversion ring 24, the diversion cover housing 21 is fixedly connected to the motor body 11 through a bolt, and is sleeved outside the heat dissipation fins 12, a mounting hole 201 is opened at a middle position of the diversion cover housing 21, the air inlet net 23 is installed on an inner wall of the mounting hole 201, the sound insulation diversion ring 24 is fixed on an inner wall of the diversion cover housing 21 and is located at an outer edge of the mounting hole 201, a sound insulation diversion plate 25 is, The sound insulation guide ring 24 and the sound insulation guide plate 25 are arranged coaxially, the sound insulation guide plate 25 is fixedly connected with the air inlet net 23 through a support rod 231, the one end of the guide mechanism 2 far away from the motor body 11 is provided with a noise reduction mechanism 3, the noise reduction mechanism 3 comprises a sound-proof cover 31 and a sound-proof plate 32 fixed on the inner wall of the sound-proof cover 31, the sound-proof cover 31 is fixedly connected with the guide cover shell 21, the sound-proof plate 33 is coaxially fixed on one side of the sound-proof plate 32 corresponding to the air inlet net 23, a plurality of air inlet holes 301 are formed in the center position of the sound-proof cover 31, a plurality of air delivery holes 302 are formed in the periphery of the sound-proof plate.
In this embodiment: when the air flow guide device is used, the output shaft of the motor body 11 drives the heat dissipation fan blades 13 to rotate at a high speed, the sound insulation guide plate 25 guides the air flow blown by the heat dissipation fan blades 13 to disperse the air flow to the periphery, then the air flow is guided by the guide cover shell 21 to be blown to the heat dissipation fins 12, the sound insulation guide plate 25 can also block the noise generated by the rotation of the heat dissipation fan blades 13 when guiding the air flow, meanwhile, the sound insulation guide ring 24 can guide the air flow to the periphery, the air flow is prevented from being blown out by the air inlet net 23, the noise generated by the air flow blowing the air inlet net 23 is reduced, when the sound is conducted outwards by the air inlet net 23, the sound can pass through the sound insulation plate 32, the sound insulation plate 32 absorbs the sound, meanwhile, the external air flow can enter the guide cover shell 21 through the air inlet 301, the air delivery hole 302 and the air inlet net 23, and the air pressure inside the, the noise is reduced, and meanwhile, the normal circulation of air flow is guaranteed, and the influence on the operation of the motor body 11 is avoided.
In fig. 1: the diameter of the air inlet net 23 is smaller than that of the sound-absorbing plate 33, when sound is conducted outwards through the air inlet net 23, the sound-absorbing plate 33 can absorb the sound, and the sound-absorbing plate 33 can completely cover the air inlet net 23 due to the fact that the diameter of the air inlet net 23 is smaller than that of the sound-absorbing plate 33, so that the sound-absorbing area is large, and the noise reduction effect is good.
In fig. 5: a plurality of recess 303 has been seted up to the side that abatvoix 33 and air inlet net 23 correspond, and a plurality of recess 303 can increase abatvoix 33's surface area, improves sound and abatvoix 33's area of contact for noise reduction is better, and the material of sound-proof housing 31 is stainless steel, and stainless steel's sound-proof housing 31 is difficult for taking place the corrosion, and life is higher.
In fig. 1 and 2: the diameter that gives sound insulation guide plate 25 is greater than the water conservancy diversion ring 24 that gives sound insulation, heat dissipation flabellum 13's external diameter, the air current that guide plate 25 that gives sound insulation can be effectual blows heat dissipation flabellum 13 carries out the water conservancy diversion, prevent that the air current from directly discharging through air inlet net 23, the inner wall clamp of kuppe casing 21 is equipped with sound absorbing material 22, sound absorbing material 22's thickness is 2 millimeters, sound absorbing material 22 after 2 millimeters can effectually absorb sound, further reduce the conduction of sound, make the noise reduction better.
In fig. 1 and 5: the sound-absorbing material 22 and the sound-absorbing plate 33 are both made of glass fiber, and the sound-absorbing material 22 and the sound-absorbing plate 33 made of glass fiber have good sound-absorbing effect and low cost.
The utility model discloses a theory of operation is: when the air flow guide device is used, the output shaft of the motor body 11 drives the heat dissipation fan blades 13 to rotate at a high speed, the sound insulation guide plate 25 guides the air flow blown by the heat dissipation fan blades 13 to disperse the air flow to the periphery, then the air flow is guided by the guide cover shell 21 to be blown to the heat dissipation fins 12, the sound insulation guide plate 25 can also block the noise generated by the rotation of the heat dissipation fan blades 13 when guiding the air flow, meanwhile, the sound insulation guide ring 24 can guide the air flow to the periphery, the air flow is prevented from being blown out by the air inlet net 23, the noise generated by the air flow blowing the air inlet net 23 is reduced, when the sound is conducted outwards by the air inlet net 23, the sound can pass through the sound insulation plate 32, the sound insulation plate 32 absorbs the sound, meanwhile, the external air flow can enter the guide cover shell 21 through the air inlet 301, the air delivery hole 302 and the air inlet net 23, and the air pressure inside the, the noise is reduced, and meanwhile, the normal circulation of air flow is guaranteed, and the influence on the operation of the motor body 11 is avoided.
The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. The utility model provides a low noise motor with variable frequency speed governing, includes drive mechanism (1), drive mechanism (1) includes motor body (11) and a plurality of radiating fin (12) of integrated into one piece at its outer wall, the coaxial fixedly connected with heat dissipation flabellum (13) of afterbody output of motor body (11), its characterized in that, the cover is equipped with water conservancy diversion mechanism (2) on motor body (11), water conservancy diversion mechanism (2) include kuppe casing (21), admit air net (23) and give sound insulation water conservancy diversion ring (24), kuppe casing (21) through the bolt with motor body (11) fixed connection, and the cover is established the radiating fin (12) outside, mounting hole (201) have been seted up to the intermediate position department of kuppe casing (21), admit air net (23) and install mounting hole (201) inner wall, sound insulation water conservancy diversion ring (24) are fixed the inside wall of kuppe casing (21), and is located the outer edge of mounting hole (201), the inside of kuppe casing (21) is equipped with syllable-dividing guide plate (25), air inlet net (23), give sound insulation guide ring (24) with give sound insulation guide plate (25) are coaxial arrangement, give sound insulation guide plate (25) through branch (231) with air inlet net (23) fixed connection, guiding mechanism (2) keep away from the one end of motor body (11) installs noise reduction mechanism (3), noise reduction mechanism (3) include sound-proof housing (31) and fix at its inner wall acoustic celotex board (32), sound-proof housing (31) with kuppe casing (21) fixed connection, acoustic celotex board (32) with the one side that air inlet net (23) corresponds is coaxial to be fixed with abatvoix board (33), a plurality of inlet port (301) have been seted up to the central point department of sound-proof housing (31), a plurality of air transmission holes (302) are formed in the periphery, close to the outer edge, of the sound insulation plate (32), and the air transmission holes (302) are located on the outer side of the sound absorption plate (33).
2. A low noise motor with variable frequency speed regulation according to claim 1, characterized in that the diameter of the air intake net (23) is smaller than the diameter of the sound-absorbing plate (33).
3. The low-noise motor with the variable-frequency speed regulation function according to claim 1, wherein a plurality of grooves (303) are formed in one side surface of the sound-absorbing plate (33) corresponding to the air inlet net (23).
4. The low-noise motor with variable-frequency speed regulation according to claim 1, wherein the diameter of the sound insulation guide plate (25) is larger than the outer diameters of the sound insulation guide ring (24) and the heat dissipation fan blades (13).
5. The low-noise motor with variable-frequency speed regulation according to claim 1, wherein a sound-absorbing material (22) is clamped on the inner wall of the air guide sleeve shell (21), and the thickness of the sound-absorbing material (22) is 2 mm.
6. The low-noise motor with variable-frequency speed regulation according to claim 5, wherein the sound-absorbing material (22) and the sound-absorbing plate (33) are both made of glass fiber.
7. The low-noise motor with variable frequency speed regulation according to claim 1, wherein the soundproof cover (31) is made of stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021174264.6U CN212183268U (en) | 2020-06-23 | 2020-06-23 | Low-noise motor with variable frequency speed regulation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021174264.6U CN212183268U (en) | 2020-06-23 | 2020-06-23 | Low-noise motor with variable frequency speed regulation |
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| Publication Number | Publication Date |
|---|---|
| CN212183268U true CN212183268U (en) | 2020-12-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021174264.6U Active CN212183268U (en) | 2020-06-23 | 2020-06-23 | Low-noise motor with variable frequency speed regulation |
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| CN (1) | CN212183268U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114141504A (en) * | 2021-12-10 | 2022-03-04 | 江苏中盟电气设备有限公司 | Transformer convenient to make an uproar and dispel heat falls |
| CN114157073A (en) * | 2021-09-09 | 2022-03-08 | 荣成市亿能电机有限公司 | Noise-reduction type heat-dissipation explosion-proof motor |
-
2020
- 2020-06-23 CN CN202021174264.6U patent/CN212183268U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114157073A (en) * | 2021-09-09 | 2022-03-08 | 荣成市亿能电机有限公司 | Noise-reduction type heat-dissipation explosion-proof motor |
| CN114157073B (en) * | 2021-09-09 | 2022-07-29 | 荣成市亿能电机有限公司 | Noise-reduction type heat-dissipation explosion-proof motor |
| CN114141504A (en) * | 2021-12-10 | 2022-03-04 | 江苏中盟电气设备有限公司 | Transformer convenient to make an uproar and dispel heat falls |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230426 Address after: 435400 No. 34 Yuhu Road, Wuxue City, Huanggang City, Hubei Province Patentee after: Wuxue Port and Channel Development Co.,Ltd. Address before: 510000 Room 204, 224 haopan street, Yuexiu District, Guangzhou City, Guangdong Province Patentee before: Hong Shaojuan |
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| TR01 | Transfer of patent right |