CN206195518U - Motor rotor and motor - Google Patents
Motor rotor and motor Download PDFInfo
- Publication number
- CN206195518U CN206195518U CN201621108185.9U CN201621108185U CN206195518U CN 206195518 U CN206195518 U CN 206195518U CN 201621108185 U CN201621108185 U CN 201621108185U CN 206195518 U CN206195518 U CN 206195518U
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- China
- Prior art keywords
- rotor
- motor
- axial flow
- flow fan
- rotating shaft
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Abstract
The utility model relates to an electric machine cooling technical field discloses a motor rotor and motor, this electric motor rotor includes the pivot, overlap in outer rotor urceolus and the cover of pivot is established rotor core on the rotor urceolus, the pivot with be provided with the axial compressor flabellum of being no less than one set between the rotor urceolus, the tip of axial compressor flabellum is connected the pivot, main aspects are connected the rotor urceolus. The utility model discloses not only can play the supporting role to rotor core, still provide the needs of internal cooling for the motor, the wind wear who has reduced simultaneously between support and the fluid consumes, has improved the efficiency of motor, and the rotational speed of motor is high more moreover, and its cooling effect is just good more. The utility model discloses still relate to a motor that has above -mentioned electric motor rotor.
Description
Technical field
The utility model is related to motor cooling technology field, more particularly to a kind of rotor, the utility model to further relate to
A kind of motor with above-mentioned rotor.
Background technology
As electric motor of automobile technology is increasingly mature, requirement to its performance and reliability also more and more higher.Due to electronic vapour
Car traveling road conditions are complicated, it requires that its seal is excellent, therefore most motors have used the cooling of Totally Enclosed Water-Cooled
Structure, its casing can effectively prevent water and dust granules from entering the inside of motor, it is ensured that motor safety runs, and water-cooled
Formula casing has preferable cooling effect to the stationary part of motor.But rotor portion is wrapped in the air cavity at air gap and two ends
Interior, its surrounding air flowing velocity is relatively low, and heat convection ability is undesirable, so that the reduction of rotor heat dispersion.To permanent magnetism
Permanent magnet can be caused to generate heat for motor, when serious demagnetize so that electric efficiency is reduced and increased the control difficulty to motor.
The rotor supports of usual motor use the structure of radial direction lacing wire, are provided between machine shaft and rotor outer barrel
A plurality of rectangle radial direction lacing wire is played a supporting role.
Refer to Fig. 1, Fig. 1 is a kind of structural representation of classical rotor support portion in the prior art.
As shown in figure 1, rotor support portion is respectively from inside to outside：Rotating shaft 1, radial direction lacing wire 4, rotor outer barrel 3 are constituted, and are turned
Axle 1 is located at the center of motor rotation, is connected with external device, and for external device provides power, radial direction lacing wire 4 is located at rotating shaft
Between 1 and rotor outer barrel 3, play a part of connection rotating shaft 1 and rotor outer barrel 3, and for rotor provides required support strength,
Ensure rotor not eccentric rotary.Rotor outer barrel 3 is located between radial direction lacing wire 4 and rotor core, plays the work of support rotor core
With.This structure is not only unfavorable to radiating, and windage when also increasing rotation, increases wind moussing loss, reduces motor
Efficiency.
Therefore, how rotor portion carried out effectively radiating, reduce wind moussing loss, urgently solved as those skilled in the art
Technical barrier certainly.
Utility model content
First purpose of the present utility model is to provide a kind of rotor, rotor portion can be carried out effectively radiating,
Reduce wind moussing loss.Second purpose of the present utility model is to provide a kind of motor with above-mentioned rotor.
In order to realize above-mentioned first purpose, the utility model provides a kind of rotor, including rotating shaft, be placed on it is described
Rotor outer barrel outside rotating shaft and the rotor core being set on the rotor outer barrel, set between the rotating shaft and the rotor outer barrel
It is equipped with no less than a set of axial flow fan leaf, the small end of the axial flow fan leaf connects the rotating shaft, the big end connection rotor outer barrel.
Preferably, a set of axial flow fan leaf includes multiple axial flow fan leaves, and multiple axial flow fan leaves turn along described
The circumferencial direction of axle is uniformly distributed, and forms one-level aerofoil fan.
Preferably, a set of axial flow fan leaf includes the 3 or 4 axial flow fan leaves.
Preferably, it is provided with three-level aerofoil fan between the rotating shaft and the rotor outer barrel.
Preferably, uniform intervals are set the three-level aerofoil fan vertically.
Preferably, the axial flow fan leaf is integrally formed with the rotating shaft.
Preferably, also including the rotor inner cylinder being set in the rotating shaft, the small end connection of the axial flow fan leaf is described to be turned
Sub- inner cylinder.
Preferably, the axial flow fan leaf is integrally formed with the rotor inner cylinder, is then sheathed on again in the rotating shaft.
The rotor that the utility model is provided, is provided with no less than a set of between the rotating shaft and the rotor outer barrel
Axial flow fan leaf, axial flow fan leaf can rotate with rotating shaft, and axial flow fan leaf can disturb rotor outer barrel fluid, internally produce
Disturbance high pressure, forces a part of fluid axially to be blown out along motor, stator winding end is reacted on after being blown to end cap, for it is provided
Cooling, another part fluid can brush the inner side of stator winding end under the direct effect of Coriolis force, be stator end
Winding plays further cooling effect.
The utility model can not only play the supporting role to rotor core, can also provide internal cooling for motor,
The wind moussing loss between support and fluid is reduced simultaneously, improves the efficiency of motor, and the rotating speed of motor is higher, its cooling
Effect is better.
Wind path between the rotating shaft and the rotor outer barrel connects the air gap between rotor core and stator core.Rotor
A fluid part in outer barrel reacts on stator winding end after being axially blown to end cap along motor, another for it provides cooling
Segment fluid flow can brush the inner side of stator winding end under the direct effect of Coriolis force, be that Stator End Winding is played more
Further cooling effect, two-way fluid converges in air gap entrance.During due to fluid before air gap is flowed into, the flowing space is rapid
Subtract, speed when can cause that fluid flows through air gap has and is greatly improved, so as to improve the convection transfer rate of rotor surface, carry
The cooling effect to rotor surface high.Gas from air gap out after, the Stator End Winding of opposite side is brushed again, enter back into
Inside rotor support device, so as to form fluid circulation loop.
In order to realize above-mentioned second purpose, the utility model additionally provides a kind of motor, and the motor includes above-mentioned electricity
Machine rotor.Because above-mentioned rotor has above-mentioned technique effect, the motor with the rotor should also have corresponding
Technique effect.
Preferably, the casing of the motor is full-closed structure.
Preferably, the motor is water-cooled.
Brief description of the drawings
In order to illustrate more clearly of the embodiment of the present application or technical scheme of the prior art, below will be to institute in embodiment
The accompanying drawing for needing to use is briefly described, it should be apparent that, drawings in the following description are only described in the utility model
Some embodiments, for those of ordinary skill in the art, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of structural representation of classical rotor support portion in the prior art；
The dimensional structure diagram of the rotor that Fig. 2 is provided for a kind of embodiment of the utility model；
Fig. 3 is the side structure schematic view of rotor in Fig. 2；
Fig. 4 is the cross-sectional view of rotor in Fig. 2；
The internal flow path schematic diagram of the rotor that Fig. 5 is provided for a kind of embodiment of the utility model.
Wherein, in Fig. 1-Fig. 4：
Rotating shaft 1, rotor inner cylinder 2, rotor outer barrel 3, radial direction lacing wire 4, axial flow fan leaf 5, rotor core 6, stator core 7, gas
Gap 8, iron core baffle plate 9, one-level aerofoil fan 10, two grades of aerofoil fans 11, three-level aerofoil fans 12.
Specific embodiment
The utility model is described below based on embodiment, but the utility model is not restricted to these implementations
Example.
Refer to Fig. 2-Fig. 5, the rotor that the utility model is provided, including rotating shaft 1 and be placed on turning outside the rotating shaft 1
Sub- outer barrel 3 and the rotor core 6 being set on the rotor outer barrel 3, rotating shaft 1 are connected with external device, the rotating shaft 1 and institute
State and be provided between rotor outer barrel 3 no less than a set of axial flow fan leaf 5, the small end of the axial flow fan leaf 5 connects the rotating shaft 1,
The big end connection rotor outer barrel 3, axial flow fan leaf 5 plays a part of connection rotating shaft 1 and rotor outer barrel 3, and for rotor provides institute
The support strength of needs.
The rotor that the utility model is provided, is provided with no less than a set of between rotating shaft 1 and the rotor outer barrel 3
Axial flow fan leaf 5, axial flow fan leaf 5 can rotate with rotating shaft 1, and axial flow fan leaf 5 can disturb the internal flow of rotor outer barrel 3, internally
Disturbance high pressure is produced, forces a part of fluid axially to be blown out along motor, stator winding end is reacted on after being blown to end cap, be it
Cooling is provided, another part fluid can brush the inner side of stator winding end under the direct effect of Coriolis force, be stator
End winding plays further cooling effect.
It can be seen that, the utility model can not only play the supporting role to rotor core 6, can also provide internal for motor
Cooling, while reducing the wind moussing loss between support and fluid, improves the efficiency of motor, and the rotating speed of motor is higher,
Its cooling effect is better.Need exist for it is emphasized that although the utility model embodiment is from Totally Enclosed Water-Cooled electricity
Machine is researched and developed, but its technical scheme, not just for Totally Enclosed Water-Cooled structure, to any motor, any type of cooling is complete
Can be applicable entirely.In addition, being applicable not only to motor, it is applied equally in generator.
In preferred scheme, a set of axial flow fan leaf 5 includes multiple axial flow fan leaves 5, and multiple axial flow fan leaves 5 are along described turn
The circumferencial direction of axle 1 is uniformly distributed, and forms one-level aerofoil fan.The utility model is not limited to the quantity of axial flow fan leaf 5, this
Field personnel can select the quantity of the axial flow fan leaf 5 of one-level aerofoil fan by pressure head according to needed for motor internal.
In preferred scheme, a set of axial flow fan leaf 5 can include the 3 or 4 axial flow fan leaves.
In preferred scheme, axially arranged multistage axial flow fan between the rotating shaft 1 and the rotor outer barrel 3.This practicality
The new series to aerofoil fan is not limited, and those skilled in the art can select the level of aerofoil fan according to rotor supports intensity
Number.
Fig. 4 is refer to, the rotor that the present embodiment is provided is axially uniform between the rotating shaft 1 and the rotor outer barrel 3
Interval setting three-level aerofoil fan 10,11,12.
The internal flow path schematic diagram of the rotor of the offer of the utility model embodiment shown in Fig. 5, the rotating shaft 1 are provided
The air gap 8 between rotor core 6 and stator core 7 is connected with the wind path between the rotor outer barrel 3.Stream in rotor outer barrel 3
A body part reacts on stator winding end after being axially blown to end cap along motor, for it provides cooling, another part fluid meeting
The inner side of stator winding end is brushed under the direct effect of Coriolis force, it is further cold to be that Stator End Winding is played
But effect, two-way fluid converges in the entrance of air gap 8, and during due to fluid before air gap 8 is flowed into, the flowing space die-offs so that stream
Speed when body flows through air gap 8 is greatly improved, and so as to improve the convection transfer rate of rotor surface, improves to rotor surface
Cooling effect.Gas from air gap 8 out after, the Stator End Winding of opposite side is brushed again, enter back into rotor support device
Inside, so as to form fluid circulation loop.
In specific scheme, the axial flow fan leaf 5 can be arranged on institute by way of being sleeved on the outside of the rotating shaft 1
State in rotating shaft 1, the axial flow fan leaf 5 can also be connected by with the integrally formed mode of the rotating shaft 1 with the rotating shaft 1.
In preferred scheme, also including the rotor inner cylinder 2 being set in the rotating shaft 1, the small end of the axial flow fan leaf 5 connects
Connect the rotor inner cylinder 2.
In further scheme, the axial flow fan leaf 5 is integrally formed with the rotor inner cylinder 2, is then sheathed on again described
In rotating shaft 1.
The both sides of the rotor core 6 are typically separately installed with a piece of iron core baffle plate 9, to prevent rotor core 6 in axial direction
Upper play.
The utility model additionally provides a kind of motor, and the motor includes above-mentioned rotor.Due to above-mentioned rotor branch
Support arrangement has above-mentioned technique effect, and the motor with the rotor support device should also have corresponding technique effect, herein not
Repeat again.
In a kind of specific scheme, the casing of the motor is full-closed structure, can effectively prevent water and dust
Grain enters the inside of motor, it is ensured that motor safety runs.
Further in scheme, the motor is water cooled machine, and it is cold that radiating is carried out to the shell of motor by water-cooled
But.
Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, for this area
For technical staff, the utility model can have various changes and change.All institutes within spirit of the present utility model and principle
Any modification, equivalent substitution and improvements of work etc., should be included within protection domain of the present utility model.
Claims (11)
1. a kind of rotor, including rotating shaft (1), it is placed on the outer rotor outer barrel (3) of the rotating shaft (1) and is set in the rotor
Rotor core (6) on outer barrel (3), it is characterised in that be provided between the rotating shaft (1) and the rotor outer barrel (3) many
In a set of axial flow fan leaf (5), the small end of the axial flow fan leaf (5) connects the rotating shaft (1), the big end connection rotor outer barrel
(3)。
2. rotor according to claim 1, it is characterised in that a set of axial flow fan leaf (5) is including described in multiple
Axial flow fan leaf (5), multiple axial flow fan leaves (5) are uniformly distributed along the circumferencial direction of the rotating shaft (1), form primary axis stream wind
Fan.
3. rotor according to claim 2, it is characterised in that a set of axial flow fan leaf (5) includes 3 or 4 institutes
State axial flow fan leaf (5).
4. rotor according to claim 2, it is characterised in that between the rotating shaft (1) and the rotor outer barrel (3)
It is provided with three-level aerofoil fan.
5. rotor according to claim 4, it is characterised in that uniform intervals set the three-level aerofoil fan vertically
Put.
6. the rotor according to any one of claim 1 to 5, it is characterised in that the axial flow fan leaf (5) with described turn
Axle (1) is integrally formed.
7. the rotor according to any one of claim 1 to 5, it is characterised in that also including being set in the rotating shaft (1)
On rotor inner cylinder (2), the small end of the axial flow fan leaf (5) connects the rotor inner cylinder (2).
8. rotor according to claim 7, it is characterised in that the axial flow fan leaf (5) and the rotor inner cylinder (2)
It is integrally formed, is then sheathed on again in the rotating shaft (1).
9. a kind of motor, it is characterised in that including the rotor described in claim any one of 1-8.
10. motor according to claim 9, it is characterised in that the casing of the motor is full-closed structure.
11. motors according to claim 10, it is characterised in that the motor is water-cooled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621108185.9U CN206195518U (en) | 2016-10-09 | 2016-10-09 | Motor rotor and motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621108185.9U CN206195518U (en) | 2016-10-09 | 2016-10-09 | Motor rotor and motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206195518U true CN206195518U (en) | 2017-05-24 |
Family
ID=58730520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621108185.9U Expired - Fee Related CN206195518U (en) | 2016-10-09 | 2016-10-09 | Motor rotor and motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206195518U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106357037A (en) * | 2016-10-09 | 2017-01-25 | 珠海格力节能环保制冷技术研究中心有限公司 | Motor rotor and motor |
| CN109586508A (en) * | 2017-09-29 | 2019-04-05 | 日本电产株式会社 | Axial magnetic flux motor and electric device |
| CN112234769A (en) * | 2020-11-30 | 2021-01-15 | 卧龙电气南阳防爆集团股份有限公司 | Forced shunting type super-efficient motor |
-
2016
- 2016-10-09 CN CN201621108185.9U patent/CN206195518U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106357037A (en) * | 2016-10-09 | 2017-01-25 | 珠海格力节能环保制冷技术研究中心有限公司 | Motor rotor and motor |
| CN109586508A (en) * | 2017-09-29 | 2019-04-05 | 日本电产株式会社 | Axial magnetic flux motor and electric device |
| CN112234769A (en) * | 2020-11-30 | 2021-01-15 | 卧龙电气南阳防爆集团股份有限公司 | Forced shunting type super-efficient motor |
| CN112234769B (en) * | 2020-11-30 | 2024-05-28 | 卧龙电气南阳防爆集团股份有限公司 | Forced split-flow type ultra-efficient motor |
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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: 20180508 Address after: 519000 9 Building (Science and technology building), 789 Jinji Road, Qianshan, Zhuhai, Guangdong. Co-patentee after: ZHUHAI KAIBANG MOTOR MANUFACTURE Co.,Ltd. Patentee after: GREE GREEN REFRIGERATION TECHNOLOGY CENTER Co.,Ltd. OF ZHUHAI Address before: 519070 science and technology building, 789 Jinji Road, Qianshan, Zhuhai, Guangdong Patentee before: GREE GREEN REFRIGERATION TECHNOLOGY CENTER Co.,Ltd. OF ZHUHAI |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170524 Termination date: 20211009 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |