CN108110957A - A kind of oil-cooled motor of external oil way - Google Patents
A kind of oil-cooled motor of external oil way Download PDFInfo
- Publication number
- CN108110957A CN108110957A CN201810168100.3A CN201810168100A CN108110957A CN 108110957 A CN108110957 A CN 108110957A CN 201810168100 A CN201810168100 A CN 201810168100A CN 108110957 A CN108110957 A CN 108110957A
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- CN
- China
- Prior art keywords
- oil
- casing
- pipeline
- external
- main shaft
- 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.)
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/32—Rotating parts of the magnetic circuit with channels or ducts for flow of cooling medium
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
- H02K9/197—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil in which the rotor or stator space is fluid-tight, e.g. to provide for different cooling media for rotor and stator
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
The present invention relates to technical field of motors, more particularly, to a kind of oil-cooled motor of external oil way.The top position for being axially disposed within casing of casing inner tube curb casing, and the outer end of pipeline is connected through back shroud with outside in casing, inner end closing；Oil inlet pipe passes through pipeline connection in casing, with casing；One end of external oil pipe is connected with the outer end of pipeline in the casing, and the other end is connected with the inner cavity of electric machine main shaft；Oil storage cabin is located at the inner cavity lower part of casing, and flowline is connected through front shroud or back shroud with oil storage cabin；At least the position at pipeline both ends sets the first oil outlet being connected with the inner cavity of casing respectively in close casing；At least one set of the second oil outlet being connected with the inner cavity of casing is set on the side wall of electric machine main shaft.The motor can directly cool down the spring bearing of stator winding and main shaft, while other of rotor field spider and motor cavity parts can also be cooled down, and improve cooling effect.
Description
Technical field
The present invention relates to technical field of motors, more particularly, to a kind of oil-cooled motor of external oil way.
Background technology
Motor can generate substantial amounts of heat at work, to ensure its working performance, it is necessary in time to each portion in motor
Part is cooled down.
Oil cooling is a kind of currently used motor type of cooling, but needs the position radiated numerous in motor, such as winding, axis
It holds, rotor core etc., how in a limited space interior arrangement oil circuit, makes the position that each needs radiate that can be cooled to,
It is urgent problem in current design of electrical motor.
The content of the invention
It is an object of the invention to provide a kind of oil-cooled motors of external oil way, can make each heating part in small size motor
Part obtains good cooling.
The oil-cooled motor of the external oil way, including casing, front shroud, back shroud, electric machine main shaft, rotor assembly, stator pack
Part and oil line pipe；
The oil line pipe includes pipeline, external oil pipe, oil storage cabin and flowline in oil inlet pipe, casing；
The top position for being axially disposed within the casing of casing described in the casing inner tube curb, and the casing inner tube
The outer end on road is connected through the back shroud with outside, inner end closing；The oil inlet pipe is passed through in the casing, with the casing
Pipeline connection；One end of the external oil pipe is connected with the outer end of pipeline in the casing, the inner cavity of the other end and electric machine main shaft
Connection；The oil storage cabin is located at the inner cavity lower part of the casing, the flowline through the front shroud or the back shroud with
The oil storage cabin connection；
At least setting what the inner cavity with the casing was connected respectively close to the position at pipeline both ends in the casing
First oil outlet；It is set on the side wall of the electric machine main shaft at least one set of inner cavity with the casing is connected second fuel-displaced
Hole.
Further, at the operating position of motor, the direction from close to the back shroud to away from the back shroud, institute
The level height for stating pipeline in casing is gradually reduced.
Further, the position of first oil outlet corresponds to the stator winding both ends of the stator module.
Further, the bearing of second oil outlet towards the electric machine main shaft is set.
Further, the motor further includes balance end plate；The balance end plate is set in the rotor field spider outer rim,
And the edge of the rotor field spider uses and turns over riveting knot structure, with the fixation balance end plate.
Further, the position that the oil inlet pipe is connected with the casing interior conduit is located at first oil outlet and institute
It states between external oil pipe.
Further, it is fuel-displaced to be less than first away from the oil inlet pipe for the internal diameter close to the first oil outlet of the oil inlet pipe
The internal diameter in hole.
Further, multiple heat emission holes circumferentially are provided on the rotor field spider.
Beneficial effects of the present invention are：
Using external oil way, in the case where not increasing motor volume and internal structure design, provided for main shaft multiple
Oil-feeding points, so as to directly be cooled down to the spring bearing of stator winding and main shaft, while can also to rotor field spider and
Other parts of motor cavity are cooled down, and improve cooling effect.
Description of the drawings
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution of the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, in describing below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the schematic diagram at the first visual angle of oil-cooled motor that embodiment of the present invention provides；
Fig. 2 is the front view for the oil-cooled motor that embodiment of the present invention provides；
Fig. 3 is the side view for the oil-cooled motor that embodiment of the present invention provides；
Fig. 4 is the sectional view in the A-A faces in Fig. 3.
Reference numeral：
1- casing 2- front shrouds；
3- back shrouds；4- oil inlet pipes；
The external oil pipes of 5-；6- flowlines；
7- output shafts；8- electric machine main shafts；
9- rotor field spiders；10- balance end plates；
Pipeline in 11- casings；12- stator winding；
13- bearing bracket stands；14- oil storage cabins.
Specific embodiment
Technical scheme is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's all other embodiments obtained without making creative work, belong to the scope of protection of the invention.
In the description of the present invention, it is necessary to explanation, term " " center ", " on ", " under ", "left", "right", " vertical ",
The orientation or position relationship of the instructions such as " level ", " interior ", " outer " be based on orientation shown in the drawings or position relationship, merely to
Convenient for the description present invention and simplify description rather than instruction or imply signified device or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second ",
" the 3rd " is only used for description purpose, and it is not intended that instruction or hint relative importance.
As shown in Figures 1 to 4, the oil-cooled motor of the external oil way, including casing 1, front shroud 2, back shroud 3, motor master
Axis 8, rotor assembly, stator module and the several parts of oil line pipe.
Wherein, oil line pipe is again including pipeline 11, external oil pipe 5, oil storage cabin 14 and flowline 6 in oil inlet pipe 4, casing.
Axial direction of the pipeline 11 along casing 1 in casing is arranged on the top position of casing 1, and pipeline 11 in casing
Outer end is connected through back shroud 3 with outside, inner end closing.
Oil inlet pipe 4 passes through casing 1, is connected with pipeline in casing 11；Pipeline 11 in one end of external oil pipe 5 and casing
Outer end connects, and the other end is connected with the inner cavity of electric machine main shaft 8；Oil storage cabin 14 is located at the inner cavity lower part of casing 1, and flowline 6 passes through
Back shroud 3 is connected with oil storage cabin 14.
The first oil outlet that the position at 11 both ends of pipeline sets the inner cavity with casing 1 to be connected respectively in close casing；
The position of first oil outlet corresponds to the position at 12 both ends of stator winding, due in electronic working, 12 both ends of stator winding
Caloric value is maximum, therefore, it is necessary to provide cooling oil by the first oil outlet, radiates to it.
In a preferred embodiment, at the operating position of motor, the side from close to back shroud 3 to away from back shroud 3
To, the level height of pipeline 11 is gradually reduced in casing, can make more cooling oils flow to pipeline 11 in casing by nearby
One end of cover board 2 ensures the cooling effect of the stator winding of this one end.
In another preferred embodiment, the internal diameter close to the first oil outlet of oil inlet pipe 4 is less than away from oil inlet pipe 4
The first oil outlet internal diameter, avoid substantial amounts of cooling oil from close to oil inlet pipe 4 the first oil outlet flow out, influence other positions
Fuel delivery.
At least one set of the second oil outlet being connected with the inner cavity of casing 1 is set on the side wall of electric machine main shaft 8, by outer
It puts oil pipe 5 part cooling oil is sent into electric machine main shaft 8, then is sent out by the second oil outlet, to cool down near electric machine main shaft 8
Part.
Bearing bracket stand 13 is fixed on back shroud 3, and the spring bearing of electric machine main shaft 8 is installed on bearing bracket stand 13.Due to motor
The caloric value of the spring bearing of main shaft 8 is larger, therefore, can set the spring bearing direction of the second oil outlet towards electric machine main shaft
It puts, is preferably that bearing support provides cooling oil.
In one preferred embodiment, it is fuel-displaced that the position that oil inlet pipe 4 is connected with casing interior conduit 11 is located at first
Between hole and external oil pipe 5, cooling oil is allow to flow to the first oil outlet and the second oil outlet than more equal.
Furthermore it is also possible to set multiple heat emission holes circumferentially on rotor field spider 9, it is made to connect with rotor core
It is logical, for radiating to rotor core.
Balance end plate 10 is additionally provided in the outer rim of rotor field spider 9, for fixed rotor iron core.For convenience of balance end plate
10 fixation, using riveting knot structure is turned over, fixed effect is secured and more convenient at the edge of rotor field spider 9.
When motor works, cooling oil is sent by oil inlet pipe 4, a part of cooling oil flows into pipeline 11 in casing, then passes through
First oil outlet is sent out, and cools down stator winding 12, and is flowed downward on the way, cools down the other parts of motor cavity；Another part
Cooling oil is flowed by external oil pipe 5 in electric machine main shaft 8, is gone out under the effect of 8 high-speed rotating centrifugal force of electric machine main shaft from second
Oilhole is thrown away, and cools down other parts of spring bearing and motor cavity.The cooling oil of motor cavity flows into oil storage finally down
Storehouse 14, and pass through flowline 6 and send out progress cycle heat exchange.
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe is described in detail the present invention with reference to foregoing embodiments, it will be understood by those of ordinary skill in the art that：Its according to
Can so modify to the technical solution recorded in foregoing embodiments either to which part or all technical characteristic into
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is not made to depart from various embodiments of the present invention technology
The scope of scheme.
Claims (8)
1. a kind of oil-cooled motor of external oil way, which is characterized in that including casing, front shroud, back shroud, electric machine main shaft, rotor
Component, stator module and oil line pipe；
The oil line pipe includes pipeline, external oil pipe, oil storage cabin and flowline in oil inlet pipe, casing；
The top position for being axially disposed within the casing of casing described in the casing inner tube curb, and pipeline in the casing
Outer end is connected through the back shroud with outside, inner end closing；The oil inlet pipe passes through pipeline in the casing, with the casing
Connection；One end of the external oil pipe is connected with the outer end of pipeline in the casing, and the other end is connected with the inner cavity of electric machine main shaft；
The oil storage cabin is located at the inner cavity lower part of the casing, and the flowline passes through the front shroud or the back shroud and the storage
Bunker connects；
First that at least position at pipeline both ends sets the inner cavity with the casing to be connected respectively in the close casing
Oil outlet；The second oil outlet that at least one set of inner cavity with the casing is set to be connected on the side wall of the electric machine main shaft.
2. the oil-cooled motor of external oil way according to claim 1, which is characterized in that at the operating position of motor, from
Close to the back shroud to the direction of the separate back shroud, the level height of pipeline is gradually reduced in the casing.
3. the oil-cooled motor of external oil way according to claim 1, which is characterized in that the position pair of first oil outlet
The stator winding both ends of stator module described in Ying Yu.
4. the oil-cooled motor of external oil way according to claim 1, which is characterized in that second oil outlet is described in
The bearing of electric machine main shaft is set.
5. the oil-cooled motor of external oil way according to claim 1, which is characterized in that further include balance end plate；It is described flat
Weighing apparatus end plate is set in the rotor field spider outer rim, and the edge of the rotor field spider is put down using riveting knot structure is turned over fixation is described
Weigh end plate.
6. the oil-cooled motor of external oil way according to claim 1, which is characterized in that in the oil inlet pipe and the casing
The position that pipeline is connected is between first oil outlet and the external oil pipe.
7. the oil-cooled motor of external oil way according to claim 1, which is characterized in that first close to the oil inlet pipe goes out
The internal diameter of oilhole is less than the internal diameter of the first oil outlet away from the oil inlet pipe.
8. the oil-cooled motor of external oil way according to claim 1, which is characterized in that be provided with edge on the rotor field spider
Multiple heat emission holes circumferentially.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810168100.3A CN108110957A (en) | 2018-02-28 | 2018-02-28 | A kind of oil-cooled motor of external oil way |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810168100.3A CN108110957A (en) | 2018-02-28 | 2018-02-28 | A kind of oil-cooled motor of external oil way |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108110957A true CN108110957A (en) | 2018-06-01 |
Family
ID=62205842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810168100.3A Pending CN108110957A (en) | 2018-02-28 | 2018-02-28 | A kind of oil-cooled motor of external oil way |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108110957A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080024020A1 (en) * | 2006-07-31 | 2008-01-31 | Iund Trevor N | Electric machine having a liquid-cooled rotor |
| JP2013198311A (en) * | 2012-03-21 | 2013-09-30 | Toshiba Industrial Products Manufacturing Corp | Rotary electric machine |
| CN106051134A (en) * | 2016-07-27 | 2016-10-26 | 广州汽车集团股份有限公司 | Motor cooling device and cooling lubricating system of power coupling mechanism |
| CN106411050A (en) * | 2015-08-11 | 2017-02-15 | 上海汽车集团股份有限公司 | Motor oil cooling system |
| US20170271958A1 (en) * | 2014-10-28 | 2017-09-21 | Mitsubishi Electric Corporation | Rotating electric machine |
| CN208078824U (en) * | 2018-02-28 | 2018-11-09 | 牟特科技（北京）有限公司 | A kind of oil-cooled motor of external oil way |
-
2018
- 2018-02-28 CN CN201810168100.3A patent/CN108110957A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080024020A1 (en) * | 2006-07-31 | 2008-01-31 | Iund Trevor N | Electric machine having a liquid-cooled rotor |
| JP2013198311A (en) * | 2012-03-21 | 2013-09-30 | Toshiba Industrial Products Manufacturing Corp | Rotary electric machine |
| US20170271958A1 (en) * | 2014-10-28 | 2017-09-21 | Mitsubishi Electric Corporation | Rotating electric machine |
| CN106411050A (en) * | 2015-08-11 | 2017-02-15 | 上海汽车集团股份有限公司 | Motor oil cooling system |
| CN106051134A (en) * | 2016-07-27 | 2016-10-26 | 广州汽车集团股份有限公司 | Motor cooling device and cooling lubricating system of power coupling mechanism |
| CN208078824U (en) * | 2018-02-28 | 2018-11-09 | 牟特科技（北京）有限公司 | A kind of oil-cooled motor of external oil way |
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