CN201466889U - Air-cooling three-phase asynchronous motor - Google Patents
Air-cooling three-phase asynchronous motor Download PDFInfo
- Publication number
- CN201466889U CN201466889U CN2009200921932U CN200920092193U CN201466889U CN 201466889 U CN201466889 U CN 201466889U CN 2009200921932 U CN2009200921932 U CN 2009200921932U CN 200920092193 U CN200920092193 U CN 200920092193U CN 201466889 U CN201466889 U CN 201466889U
- Authority
- CN
- China
- Prior art keywords
- air
- cooling
- cooler
- stator
- threephase asynchronous
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 39
- 238000004804 winding Methods 0.000 claims abstract description 11
- 238000009413 insulation Methods 0.000 claims abstract description 6
- 239000011324 bead Substances 0.000 claims description 8
- 229920000742 Cotton Polymers 0.000 claims description 6
- 241000681094 Zingel asper Species 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 3
- 230000000875 corresponding Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 2
- 230000001681 protective Effects 0.000 abstract 2
- 238000009510 drug design Methods 0.000 abstract 1
- 230000001743 silencing Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 4
- 230000002349 favourable Effects 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002035 prolonged Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Abstract
The utility model relates to an air-cooling three-phase asynchronous motor. The air-cooling three-phase asynchronous motor is mainly characterized in that a stator is fixedly connected with a machine base through baffle plates on two ends, an end portion coil of a stator winding adopts exposure type grouping binding, an insulation wind baffle plate which is fixedly connected with the machine base is arranged on an end hoop, a protective ring and a thickened end ring are arranged on two ends of a rotor magnet pole, the end ring is connected with the rotor magnet pole through a guiding strip, bended radial deflectors are arranged in the rotor magnet pole and a stator iron core, an air outlet flow guiding baffle plate, an air inlet flow guiding arc-shaped plate and an air outlet flow guiding arc-shaped plate are arranged in a cooler, and silencing covers are distributed on an air inlet part and an air outlet part around the cooler. The machine has the advantages of rational design, compact structure, stable and reliable operation, low noise, excellent protective performance, long service life and the like.
Description
Technical field
The utility model belongs to the flame-proof electric motor technical field, is a kind of air cooling threephase asynchronous.
Background technology
Along with the development of heavy industry, the application of threephase asynchronous because it uses current strength big, and the claimed structure compactness, thereby is the key factor that guarantees the motor reliability service to the heat radiation cooling of stator and rotor more and more widely.The major defect that exists in the prior art is:
1) in order to guarantee the fixedly fastness of stator winding end coil, the general end frame that adopts is fixed, and be connected with deep bead, it is far away apart from iron core to make cooling fan that the position is set, and causes big, the deficiency in draught of this position circulation windage, easily produces vibration, cause the normal continuously operation that influences motor owing to temperature rise is too high, even burning machine accident appears, and also cause the motor operational reliability poor simultaneously, useful life is short.
2) in cooling system, adopt the method that strengthens air quantity to improve cooling effect usually, cause cooler inlet and outlet place noise excessive thus, serious to the operational environment influence.So far, these problems fail to obtain comparatively satisfied solution always.
The utility model content
The purpose of this utility model provides a kind of good heat dissipation effect, and it is reliable to operate steadily, and noise is little, the air cooling threephase asynchronous of long working life.
Realize that the technical scheme that the purpose of this utility model is taked is: this motor comprises support, rotor, the electronics main shaft, stator and cooler, stator is fixedlyed connected with support by two endplates, the stator winding end coil adopts exposure formula grouping binding structure, its end hoop is provided with the insulation deep bead of fixedlying connected with support, be provided with the end ring of thickening at the two ends of rotor magnetic pole, its excircle position is set with the steel alloy retaining ring, end ring is connected with rotor magnetic pole by sliver, in rotor magnetic pole and stator core, be equipped with forniciform radially baffler, cooling fan is positioned at the corresponding position of stator winding end, and fixedly connected with electric machine main shaft, be provided with the air-out baffler in the cooler and advance, the air-out kuppe, the inlet and outlet position of all sides of cooler is laid with sound proof housing.
Described cooling fan adopts the airfoil aerofoil fan.
The inwall of described sound proof housing all is laid with the cotton of eliminating the noise.
Described air-out flow apron and outlet and inlet water conservancy diversion arc all adopt the cotton product of eliminating the noise.
Connecting portion between described cooler and the support is provided with cover plate.
It is the battened construction of taper that described sliver adopts cross section one end.
The air cooling threephase asynchronous of making according to such scheme, by rational cooling structure, improve air quantity, reduce windage, thereby can receive favorable cooling effect, strengthen steady, the reliability of motor operation simultaneously, prolonged the useful life of motor.In addition, by cooler advance, the setting of exhaust outlet sound proof housing, can eliminate the operating noise of motor effectively, operational environment is improved.Compared with prior art, these facility have reasonable in design, compact conformation, advantages such as noise is little, barrier propterty good, long working life.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the end view of Fig. 1;
Fig. 3 is the rotor terminal structure schematic diagram;
Fig. 4 is the structural representation of stator rotor cooling air duct.
Embodiment
Referring to Fig. 1, Fig. 2, air cooling threephase asynchronous of the present utility model, comprise support 1, rotor 2, electric machine main shaft 3, stator 11 and cooler 12, wherein, stator 11 is welded to connect with support 1 by two endplates 10, forms the main return air channel of motor cooling between two endplates 10, do not establish gusset therebetween, both had stronger rigidity, reduced the vibration of stator, can reduce the windage of return air channel again.Stator winding end coil 6 adopts exposure formulas grouping binding structures, has cancelled end of the prior art deep bead, and internal fan can more close electric motor overheating position, and has reduced the end windage, makes this position have good ventilation cooling condition.On the end hoop of every group of coil, be provided with insulation deep bead 7, and the deep bead 7 that passes through to insulate is fixedlyed connected with support 1, gap between the dividing plate 10 at insulation deep bead 7 and stator two ends is configured for cooling off the return air affluent channel of stator winding end, thereby make the bigger position of this caloric value obtain cooling than air blast, and strengthen the motor reliability of operation thus, prolong the working life of motor, also make electric motor structure compact more.Be provided with the copper end ring 5 of thickening at the rotor magnetic pole two ends, end ring 5 is welded to connect with rotor magnetic pole by special-shaped sliver 17, the excircle position of end ring 5 is set with alloy steel retaining ring 16 (see figure 3)s, guarantees the unimpeded of magnetic pole electric current, and has the favorable damping performance.Be equipped with forniciform radially baffler 2-1,2-2 (see figure 4) in rotor magnetic pole and stator winding, to form the cooling blast of spiral-flow type, reduce eddy current, improve the flowability of cooling blast, the increasing and the cooling effect that help wind speed improve.Cooling fan 4 adopts the airfoil aerofoil fan, and fixedlys connected with electric machine main shaft 3, and its position is corresponding with the insulation deep bead 7 of stator winding end, than the more close electric motor overheating of the structure of routine position.The cooling blast that cooling fan 4 is introduced forms three cooling air ducts, wherein two wind paths flow into cooler 12 and discharge through rotor cooling duct and air gap by main return air channel respectively, and another road flows into cooler 12 and discharge to stator winding end cooling back by the return air affluent channel.Cooler 12 is positioned at the top of support 1, its with support 1 between adopt 4 bolts to be connected, be provided with cover plate 13 at connecting portion, make this position obtain favorable protection, prevent the corrosion and the damage of connecting elements, be beneficial to dismounting and maintenance.Be provided with air-out flow apron 15 and outlet and inlet water conservancy diversion arc 9,14 in the cooler 12, make cooling blast have the rational flow direction, reduce gas-flow resistance effectively.Air-out flow apron 15 and outlet and inlet water conservancy diversion arc 9,14 all adopt the cotton product of eliminating the noise, and the noise in the motor overall operation process is reduced to below 85 decibels.All sides of cooler 12 are provided with into and out of the air port, are provided with sound proof housing 8 in outlet and inlet oral area position, and the inwall of sound proof housing 8 all is laid with the cotton of eliminating the noise.
Claims (6)
1. air cooling threephase asynchronous, this motor comprises support, rotor, stator and cooler, it is characterized in that: stator is fixedlyed connected with support by two endplates, the stator winding end coil adopts exposure formula grouping binding structure, its end hoop is provided with the insulation deep bead of fixedlying connected with support, be provided with the end ring of thickening at the two ends of rotor magnetic pole, its excircle position is set with the steel alloy retaining ring, end ring is connected with rotor magnetic pole by sliver, in rotor magnetic pole and stator core, be equipped with forniciform radially baffler, cooling fan is positioned at the corresponding position of stator winding end, and fixedly connected with electric machine main shaft, be provided with the air-out flow apron in the cooler and advance, air-out water conservancy diversion arc, the inlet and outlet position of all sides of cooler is laid with sound proof housing.
2. air cooling threephase asynchronous according to claim 1 is characterized in that: described cooling fan adopts the airfoil aerofoil fan.
3. air cooling threephase asynchronous according to claim 1 is characterized in that: the inwall of described sound proof housing all is laid with the cotton of eliminating the noise.
4. air cooling threephase asynchronous according to claim 1 is characterized in that: described air-out baffler and outlet and inlet kuppe all adopt the cotton product of eliminating the noise.
5. air cooling threephase asynchronous according to claim 1 is characterized in that: the connecting portion between described cooler and the support is provided with cover plate.
6. air cooling threephase asynchronous according to claim 1 is characterized in that: it is the battened construction of taper that described sliver adopts cross section one end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200921932U CN201466889U (en) | 2009-08-05 | 2009-08-05 | Air-cooling three-phase asynchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200921932U CN201466889U (en) | 2009-08-05 | 2009-08-05 | Air-cooling three-phase asynchronous motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201466889U true CN201466889U (en) | 2010-05-12 |
Family
ID=42394236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200921932U Expired - Fee Related CN201466889U (en) | 2009-08-05 | 2009-08-05 | Air-cooling three-phase asynchronous motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201466889U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102386722A (en) * | 2011-11-29 | 2012-03-21 | 南车株洲电机有限公司 | Mode and device for fixing stator and base of motor |
| CN103296834A (en) * | 2012-03-05 | 2013-09-11 | 江苏核电有限公司 | Corrosion-resistant long-service-life large motor cooling device and heat exchanging system thereof |
| CN103441599A (en) * | 2013-08-23 | 2013-12-11 | 江苏航天动力机电有限公司 | Simple and efficient wind shielding structure for radial ventilation |
| CN103580377A (en) * | 2013-11-22 | 2014-02-12 | 哈尔滨电机厂有限责任公司 | Cooling technology for large-scale air-cooling steam-turbine generator type test |
| WO2022099387A1 (en) * | 2020-11-10 | 2022-05-19 | Weg Equipamentos Elétricos S.a. | Air-cooling system for vertical rotary electric machines, dedicated ventilation box, and corresponding vertical rotary electric machine |
-
2009
- 2009-08-05 CN CN2009200921932U patent/CN201466889U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102386722A (en) * | 2011-11-29 | 2012-03-21 | 南车株洲电机有限公司 | Mode and device for fixing stator and base of motor |
| CN103296834A (en) * | 2012-03-05 | 2013-09-11 | 江苏核电有限公司 | Corrosion-resistant long-service-life large motor cooling device and heat exchanging system thereof |
| CN103441599A (en) * | 2013-08-23 | 2013-12-11 | 江苏航天动力机电有限公司 | Simple and efficient wind shielding structure for radial ventilation |
| CN103580377A (en) * | 2013-11-22 | 2014-02-12 | 哈尔滨电机厂有限责任公司 | Cooling technology for large-scale air-cooling steam-turbine generator type test |
| CN103580377B (en) * | 2013-11-22 | 2016-01-20 | 哈尔滨电机厂有限责任公司 | The technique of large air-cooled turbine generator type approval test cooling |
| WO2022099387A1 (en) * | 2020-11-10 | 2022-05-19 | Weg Equipamentos Elétricos S.a. | Air-cooling system for vertical rotary electric machines, dedicated ventilation box, and corresponding vertical rotary electric machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100512 Termination date: 20130805 |