CN206060459U - A kind of low noise heat radiating type threephase asynchronous machine - Google Patents
A kind of low noise heat radiating type threephase asynchronous machine Download PDFInfo
- Publication number
- CN206060459U CN206060459U CN201621024684.XU CN201621024684U CN206060459U CN 206060459 U CN206060459 U CN 206060459U CN 201621024684 U CN201621024684 U CN 201621024684U CN 206060459 U CN206060459 U CN 206060459U
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- motor body
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- stator
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Abstract
The utility model discloses a kind of low noise heat radiating type threephase asynchronous machine, including cooling wind blade and motor body, the cooling wind blade is fixed on top surface on motor body, motor body is provided with circuit brake with cooling wind blade junction, circuit brake is current detection type and is fixed by screws on motor body outer wall, motor body includes rotating shaft, rotor core and stator core, stator winding is provided with the groove opened up in stator core outer periphery, stator core outer ring is fixedly connected with internal diameter of outer cover, stator core ring center is provided with coaxial rotor core, rotor core is provided with the rotor windings corresponding with stator winding, rotor core is fixed in rotating shaft, air gap is left between rotor core and stator core.This utility model reduces motor operation noise by the symmetry of guarantee air gap, and simple structure effect is good, and is equipped with cooling system, long service life.
Description
Technical field
This utility model is related to technical field of motors, specially a kind of low noise heat radiating type threephase asynchronous machine.
Background technology
Asynchronous motor, also known as induction conductivity, is interacted by air gap, rotating excitation field and rotor windings, faradic current
Produce electromagnetic torque, so as to realize energy converting between mechanical be mechanical energy a kind of alternating current generator.When asynchronous machine is designed, motor
Rotor air gap typically adopt design symmetry.But due to a variety of situations, the unsymmetry of rotor can be caused.
Its noise source major part is brought by the unsymmetry of air gap, a kind of situation, due to assembly precision, parts
Dimensional tolerance can cause stator with the deviation of armature spindle, cause decentraction, so as to result in the asymmetric of electric machine rotor air gap,
Such case has no longer been subject matter with the development of precision processing technology；Another kind of situation, motor bias itself are not present
Problem, but after taking load, as load has radial force in itself, cause eccentric bigger than normal, it is asymmetric air gap occur, it is this by
The rotor eccentric phenomena that load is produced is relatively common, the uneven air gap of rotor.The noise problem of motor rotation is always
One problem for being worth inquiring into, and when motor works, internal temperature is too high also to affect its work efficiency.
Utility model content
The purpose of this utility model is to provide a kind of low noise heat radiating type threephase asynchronous machine, possesses the little advantage of noise,
Solve the problems, such as that noise pollution is big during use, be provided simultaneously with heat abstractor, reduce operating temperature, improving motor performance prolongation makes
Use the life-span.
For achieving the above object, this utility model provides following technical scheme：A kind of low noise heat radiating type threephase asynchronous machine,
Including cooling wind blade and motor body, the cooling wind blade is fixed on top surface on motor body, and motor body is connected with cooling wind blade
The place of connecing is provided with circuit brake, and circuit brake is current detection type and is fixed by screws on motor body outer wall, motor
Body includes rotating shaft, rotor core and stator core, is provided with stator winding in the groove for opening up in stator core outer periphery, fixed
Sub- iron core outer ring is fixedly connected with internal diameter of outer cover, and stator core ring center is provided with coaxial rotor core, sets on rotor core
There are the rotor windings corresponding with stator winding, rotor core is fixed in rotating shaft, between rotor core and stator core, leave gas
Gap.
Preferably, the air gap between the rotor core and stator core is uniform for circular and each several part thin and thick, air gap top
Portion is provided with nozzle, and nozzle side connects pressure-air and its spray regime is wide with air gap, and nozzle is hung vertically in stator core
On the arc-shaped scaffold of upper surface welding, scaffold bottom surface fixed triangle plate.
Preferably, the shell includes Sound-proof material and radiating ribs, and Sound-proof material is bonded on outer casing inner wall, and Sound-proof material outer ring applies
There are epoxy resin and surface distributed depression, recess is provided with radiating ribs, and radiating ribs are in strip.
Preferably, the current entry of the stator winding is symmetrical arranged with electricity outlet.
Compared with prior art, the beneficial effects of the utility model are as follows：
1st, this utility model is by arranging spray regime nozzle corresponding with size of gaps, the air pressure that nozzle is ejected
Power is transferred in rotor core circumferential wall, realizes the symmetry of air gap, reduces the deviation of stator core rotating shaft, it is ensured that with one heart,
Coordinate the use of silencing cotton, realize reducing noise.
2nd, this utility model reduces motor operating temperature, it is ensured that work efficiency, prolongs by arranging cooling wind blade and radiating ribs
Long life.
Description of the drawings
Fig. 1 is this utility model internal structure schematic diagram；
Fig. 2 is this utility model external structure schematic diagram.
In figure：1- cooling wind blades, 2- motor bodies, 3- rotating shafts, 4- circuit brakes, 5- screws, 6- rotor cores, 7- turn
Sub- winding, 8- stator cores, 9- stator winding, 10- air gaps, 11- nozzles, 12- shells, 121- Sound-proof materials, 122- radiating ribs.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only this utility model a part of embodiment, rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of this utility model protection.
Fig. 1-2 is referred to, this utility model provides a kind of technical scheme：A kind of low noise heat radiating type threephase asynchronous machine, bag
Cooling wind blade 1 and motor body 2 are included, the cooling wind blade 1 is fixed on top surface on motor body 2, motor body 2 and cooling wind blade
1 junction is provided with circuit brake 4, and circuit brake 4 is current detection type and is fixed on 2 outer wall of motor body by screw 5
On, motor body 2 includes rotating shaft 3, rotor core 6 and stator core 8, is set in the groove for opening up in 8 outer periphery of stator core
There is stator winding 9,8 outer ring of stator core is fixedly connected with 12 internal diameter of shell, and 8 ring center of stator core is provided with coaxial rotor
Iron core 6, rotor core 6 are provided with the rotor windings 7 corresponding with stator winding 9, and rotor core 6 is fixed in rotating shaft 3, rotor
Air gap 10 is left between iron core 6 and stator core 8.
Air gap 10 between the rotor core 6 and stator core 8 is uniform for circular and each several part thin and thick, at the top of air gap 10
Nozzle 11 is provided with, 11 side of nozzle connects pressure-air and its spray regime is wide with air gap 10, and nozzle 11 is hung vertically in fixed
8 upper surface of sub- iron core welding arc-shaped scaffold on, scaffold bottom surface fixed triangle plate, by nozzle 11 spray pressure-air come
Air gap 10 between firm rotor core 6 and stator core 8, it is ensured that symmetry, the fixed of set square ensure nozzle 11 itself and gas
Vertical-type and stability between gap 10, it is to avoid load produces rotor eccentricity phenomenon, causes noise big, and the shell 12 includes sound insulation
Cotton 121 and radiating ribs 122, Sound-proof material 121 are bonded on 12 inwall of shell, and 121 outer ring of Sound-proof material scribbles epoxy resin and surface
Distributed depressions, recess are provided with radiating ribs 122, and radiating ribs 122 are in strip, utilize material itself by arranging Sound-proof material 121
The structure of porous absorbs noise, while being equipped with radiating ribs 122 reduces by 2 internal operating temperature of motor body, it is ensured that service efficiency, prolongs
Long life, current entry and the electricity outlet of the stator winding 9 are symmetrical arranged, using rotating excitation field rotor driven iron core
6 rotate.
Operation principle：When using this kind of low noise heat radiating type threephase asynchronous machine, stator winding 9 is a locus pair
The three-phase windings of title, if the alternating current of three-phase symmetrical is passed through in stator winding 9, will motor internal set up one it is permanent
The magnetic field of speed rotation, referred to as rotating excitation field, at this moment have relative motion between rotor core 6 and rotating excitation field, cut magnetic force
Line and produce induction electromotive force.As rotor windings 7 are closures, then in the presence of induction electromotive force, in winding, there is electricity
Stream flows through, and 6 electric current of rotor core is interacted with rotating excitation field, just produces electromagnetic force in rotor windings 7, the power countershaft shape
Into electromagnetic torque, rotor is made to rotate by rotating excitation field direction, in the process, stator core 8 is remained stationary as, and is fixed on and is determined
Nozzle 11 on sub- iron core 8 sprays pressure-air to air gap 10, and rotor core 6 surrounds 3 normal rotation of rotating shaft under gas pressure,
The eccentric influential effect not loaded, so as to the symmetry for ensureing air gap 10 realizes noise reduction.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
Be appreciated that these embodiments can be carried out various changes in the case of without departing from principle of the present utility model and spirit, repair
Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.
Claims (4)
1. a kind of low noise heat radiating type threephase asynchronous machine, including cooling wind blade（1）And motor body（2）, it is characterised in that：It is described
Cooling wind blade（1）It is fixed on motor body（2）Upper top surface, motor body（2）With cooling wind blade（1）Junction is provided with circuit protection
Device（4）, circuit brake（4）For current detection type and by screw（5）It is fixed on motor body（2）On outer wall, motor body
（2）Including rotating shaft（3）, rotor core（6）And stator core（8）, stator core（8）It is provided with the groove opened up in outer periphery
Stator winding（9）, stator core（8）Outer ring and shell（12）Internal diameter is fixedly connected, stator core（8）Ring center is provided with coaxially
Rotor core（6）, rotor core（6）It is provided with and stator winding（9）Corresponding rotor windings（7）, rotor core（6）Gu
It is scheduled on rotating shaft（3）On, rotor core（6）With stator core（8）Between leave air gap（10）.
2. a kind of low noise heat radiating type threephase asynchronous machine according to claim 1, it is characterised in that：The rotor core
（6）With stator core（8）Between air gap（10）Uniform, the air gap for circular and each several part thin and thick（10）Top is provided with nozzle
（11）, nozzle（11）Side connects pressure-air and its spray regime and air gap（10）It is wide, nozzle（11）It is fixed to be hung vertically in
Sub- iron core（8）On the arc-shaped scaffold of upper surface welding, scaffold bottom surface fixed triangle plate.
3. a kind of low noise heat radiating type threephase asynchronous machine according to claim 1, it is characterised in that：The shell（12）Bag
Include Sound-proof material（121）And radiating ribs（122）, Sound-proof material（121）It is bonded in shell（12）On inwall, Sound-proof material（121）Outer ring applies
There are epoxy resin and surface distributed depression, recess is provided with radiating ribs（122）, radiating ribs（122）In strip.
4. a kind of low noise heat radiating type threephase asynchronous machine according to claim 1, it is characterised in that：The stator winding
（9）Current entry be symmetrical arranged with electricity outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621024684.XU CN206060459U (en) | 2016-08-31 | 2016-08-31 | A kind of low noise heat radiating type threephase asynchronous machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621024684.XU CN206060459U (en) | 2016-08-31 | 2016-08-31 | A kind of low noise heat radiating type threephase asynchronous machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206060459U true CN206060459U (en) | 2017-03-29 |
Family
ID=58374303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621024684.XU Expired - Fee Related CN206060459U (en) | 2016-08-31 | 2016-08-31 | A kind of low noise heat radiating type threephase asynchronous machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206060459U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108599450A (en) * | 2018-06-21 | 2018-09-28 | 许昌市大力电机制造有限公司 | A kind of light noise motor |
| CN111900836A (en) * | 2020-08-05 | 2020-11-06 | 无锡华庄电机有限公司 | Large-scale motor system with liquid cooling function of dispelling heat fast |
| CN114678973A (en) * | 2021-12-03 | 2022-06-28 | 江苏集萃智能制造技术研究所有限公司 | Noise reduction motor for window opening |
-
2016
- 2016-08-31 CN CN201621024684.XU patent/CN206060459U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108599450A (en) * | 2018-06-21 | 2018-09-28 | 许昌市大力电机制造有限公司 | A kind of light noise motor |
| CN108599450B (en) * | 2018-06-21 | 2024-01-23 | 马建芬 | Light noise motor |
| CN111900836A (en) * | 2020-08-05 | 2020-11-06 | 无锡华庄电机有限公司 | Large-scale motor system with liquid cooling function of dispelling heat fast |
| CN111900836B (en) * | 2020-08-05 | 2021-09-14 | 无锡华庄电机有限公司 | Large-scale motor system with liquid cooling function of dispelling heat fast |
| CN114678973A (en) * | 2021-12-03 | 2022-06-28 | 江苏集萃智能制造技术研究所有限公司 | Noise reduction motor for window opening |
| CN114678973B (en) * | 2021-12-03 | 2023-09-15 | 江苏集萃智能制造技术研究所有限公司 | Noise reduction motor for windowing |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170329 Termination date: 20170831 |
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| CF01 | Termination of patent right due to non-payment of annual fee |