CN106981943A - Electromotor cooling system - Google Patents
Electromotor cooling system Download PDFInfo
- Publication number
- CN106981943A CN106981943A CN201710224972.2A CN201710224972A CN106981943A CN 106981943 A CN106981943 A CN 106981943A CN 201710224972 A CN201710224972 A CN 201710224972A CN 106981943 A CN106981943 A CN 106981943A
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- CN
- China
- Prior art keywords
- cooling
- cooling duct
- cooling system
- electromotor
- duct
- 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
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
- H02K5/203—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium specially adapted for liquids, e.g. cooling jackets
-
- 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 invention belongs to machine field, a kind of electromotor cooling system is specifically provided.Present invention seek to address that the problem of structure of electromotor cooling system is more complicated in the prior art.Cooling system includes the first cooling duct and the second cooling duct extended by the first cooling duct for this purpose, wherein, the first cooling duct is arranged between first mouth of a river in casing and second mouth of a river；Wherein, the second cooling duct includes：Bypass passage, it is arranged at rotating shaft；And communicating passage, it is arranged at the end of motor；Wherein, bypass passage is connected by communicating passage with the first cooling duct, forms the second cooling duct；Cooling system also includes diversion mechanism, and the diversion mechanism can adjust the flow for the coolant for flowing through the second cooling duct.Therefore, motor of the invention can not only cool to stator and rotor, moreover it is possible to the rate of heat dispation of stator and rotor is controlled by adjusting shunting post, so as to improve the cooling effectiveness of motor, the complexity of motor is reduced.
Description
Technical field
The invention belongs to machine field, a kind of electromotor cooling system is specifically provided.
Background technology
With the continuous progress of science and technology, the motor of high power and high torque density is more and more applied.But
There is higher temperature rise in the motor of high power and high torque density, so that performance, efficiency to motor operation in use
And life and reliability causes serious influence.In order to reduce the temperature rise of motor, it usually needs to the stator of motor and turn
Son is cooled down, for example, set cooling duct respectively and by external on the stator (such as casing) and rotor (such as rotating shaft) of motor
Cooling tube is connected so that coolant can be followed in the presence of cooling pump in the cooling duct on casing and rotating shaft
Ring, so as to take away the amount of heat produced in motor operation course, makes motor reach the effect of cooling.
But, casing with the cooling duct of rotating shaft connect by motor by external cooling tube needs more parts
Longer runner, causes the structure of motor more complicated.
Correspondingly, this area needs a kind of new electromotor cooling system to solve the above problems.
The content of the invention
It has been the structure ratio for solving electromotor cooling system in the prior art to solve above mentioned problem of the prior art
More complicated the problem of, the invention provides a kind of electromotor cooling system, the motor includes casing, end cap, stator, rotor and turned
First mouth of a river and second mouth of a river are provided with axle, the casing, the cooling system includes the first cooling duct and by described
The second cooling duct that first cooling duct is extended, wherein, first cooling duct is arranged in the casing, and institute
Stating the two ends of the first cooling duct can be connected with first mouth of a river and second mouth of a river respectively；Wherein, described second
Cooling duct includes：Bypass passage, it is arranged at the rotating shaft；And communicating passage, it is arranged at the end of the motor, institute
Stating communicating passage is used to connect the bypass passage with first cooling duct；The cooling system also includes shunting machine
Structure, the diversion mechanism can adjust the flow for the coolant for flowing through second cooling duct.
In the optimal technical scheme of above-mentioned electromotor cooling system, the cooling system also includes connectedness, the connection
Part is arranged at the end of the motor, and the communicating passage is arranged at the connectedness.
In the optimal technical scheme of above-mentioned electromotor cooling system, the connectedness is current divider.
In the optimal technical scheme of above-mentioned electromotor cooling system, the bypass passage includes：It is arranged in the rotating shaft
Shaft hole；And it is arranged at the rotor water pipe in the shaft hole；Wherein, the electricity is fixed in one end of the rotor water pipe
The end of machine.
In the optimal technical scheme of above-mentioned electromotor cooling system, the communicating passage includes the first communicating passage and second
Communicating passage, wherein, first communicating passage is used to connect first cooling duct and the shaft hole, and described second connects
Circulation passage is connected for connecting the rotor water pipe with first cooling duct.
In the optimal technical scheme of above-mentioned electromotor cooling system, the diversion mechanism is arranged at first cooling duct
In, and the diversion mechanism is arranged between the upstream end of second cooling duct and downstream；And/or described point
Stream mechanism is arranged in second cooling duct.
In the optimal technical scheme of above-mentioned electromotor cooling system, the diversion mechanism is shunting post or flow divider.
In the optimal technical scheme of above-mentioned electromotor cooling system, along motor at least a portion first cooling duct
Axis direction helically type or S types.
In the optimal technical scheme of above-mentioned electromotor cooling system, first cooling duct include main cooling section and by
The first connection cooling section and the second connection cooling section that the main cooling section extends, wherein, the main cooling section is along motor
Axis direction helically type or S types, the communicating passage pass through the described first connection cooling section and the second connection cooling section
Connected respectively with the main cooling section.
In the optimal technical scheme of above-mentioned electromotor cooling system, observed along the feed liquor direction of coolant, the main cooling
The part and second cooling duct that section is located between the described first connection cooling section and the second connection cooling section are simultaneously
The cooling duct of connection.
It will be appreciated to those of skill in the art that in the preferred technical solution of the present invention, passing through the casing in motor
First mouth of a river of upper setting and second mouth of a river, the first cooling duct is set at first mouth of a river and second mouth of a river, and the first cooling is logical
The two ends in road are connected with first mouth of a river and second mouth of a river respectively, and bypass passage is set in rotating shaft, are set and are connected in the end of motor
Circulation passage, enables bypass passage to be connected by the communicating passage with the first cooling duct, and therefore forms the second cooling duct.
Therefore, electromotor cooling system of the invention only needs two external water pipes to connect first mouth of a river and second mouth of a river respectively, just can make electricity
The casing and rotor of machine are all passed through coolant, so as to simplify the structure of electromotor cooling system relative to prior art, reduce
The complexity of motor, has saved cost.
Further, by being provided for regulation on casing into the flow of the coolant of the second cooling duct, and then adjust
Flow of the section into the coolant of the first cooling duct.Electromotor cooling system of the invention enable by adjusting diversion mechanism
Change the flow-rate ratio for the coolant for flowing through the first cooling duct and the second cooling duct so that the radiating of the rotor and stator of motor
Efficiency can be effectively controlled.
Brief description of the drawings
Fig. 1 is the effect diagram of the electromotor cooling system of the embodiment of the present invention；
Fig. 2 is the end view of the electromotor cooling system of the embodiment of the present invention；
Fig. 3 be the embodiment of the present invention electromotor cooling system along along Fig. 2 A-A to sectional view；
Fig. 4 is the schematic diagram of the electromotor cooling system of the embodiment of the present invention.
Reference numerals list：
1st, casing；11st, the first cooling duct；111st, the first connecting hole；112nd, the second connecting hole；13rd, the first water pipe；14、
Second water pipe；15th, post is shunted；2nd, rotating shaft；21st, bypass passage；211st, annular chamber；212nd, inner chamber；3rd, current divider；31st, first connects
Connect beam；311st, the first communicating passage；32nd, the second tie-beam；321st, the second communicating passage.
Embodiment
The preferred embodiment of the present invention described with reference to the accompanying drawings.It will be apparent to a skilled person that this
A little embodiments are used only for explaining the technical principle of the present invention, are not intended to limit protection scope of the present invention.For example, although
It is relation drafting by a certain percentage between each part in accompanying drawing, but this proportionate relationship is not unalterable, this area
Technical staff can make adjustment to it as needed, to adapt to specific application scenario, and the technical scheme after adjustment will
Fall into protection scope of the present invention.
It should be noted that in the description of the invention, term " on ", " under ", "left", "right", " interior ", " outer " etc. are indicated
Direction or position relationship term be based on direction shown in the drawings or position relationship, this is intended merely to facilitate description, and
It is not instruction or implies that described device or element there must be specific orientation, with specific azimuth configuration and operation, therefore not
It is understood that as limitation of the present invention.In addition, term " first ", " second ", " the 3rd " are only used for describing purpose, without being understood that
To indicate or implying relative importance.
In addition it is also necessary to explanation, in the description of the invention, unless otherwise clearly defined and limited, term " peace
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected to by intermediary,
It can be the connection of two element internals.To those skilled in the art, it can understand that above-mentioned term exists as the case may be
Concrete meaning in the present invention.
Electromotor cooling system as shown in Figure 1 to Figure 3 mainly includes casing 1, stator (not indicated in figure) in structure, turned
Sub (not indicated in figure), rotating shaft 2 and the current divider 3 positioned at motor end.Wherein, first cooling that is internally provided with of casing 1 is led to
Road 11, and in casing 1 in addition to main cooling section, the first cooling duct 11 also includes first as the first connection cooling section
Connecting hole 111 and the second connecting hole 112 as the second connection cooling section.Bypass passage 21 is provided with rotating shaft 2.Current divider 3
The first tie-beam 31 in be provided with the first communicating passage 311, the second tie-beam 32 of current divider 3 be provided with the second connection lead to
Road 321, and the first communicating passage 311 and the second communicating passage 321 collectively constitute communicating passage.Further, the communicating passage
The second cooling duct is collectively constituted with bypass passage 21.Further, the first connecting hole 111 and the second connecting hole 112 are used as
The extension of one cooling duct 11, can be respectively communicated with the first communicating passage 311 and the second communicating passage 321.
Further, as shown in figure 3, the left end of the first connecting hole 111 is connected with the first cooling duct 11, the first connecting hole
111 right-hand member is connected with the upper end of the first communicating passage 311, and the lower end of the first communicating passage 311 is connected with bypass passage 21
Logical, bypass passage 21 is connected with the upper end of the second communicating passage 321, lower end and the second connecting hole of the second communicating passage 321
112 right-hand member is connected, and the left end of the second connecting hole 112 is connected with the first cooling duct 11.Wherein, the first communicating passage
311st, the communicating passage 321 of bypass passage 21 and second collectively forms the second cooling duct.
Further, as shown in figures 1 and 3, the two ends of the first cooling duct 11 pass through the first water for being arranged on casing 1
Mouth and second mouth of a river are connected with the first water pipe 13 and the second water pipe 14 respectively.
With continued reference to Fig. 3, bypass passage 21 is provided with rotating shaft 2.Specifically, it is provided with shaft hole in rotating shaft 2 (in figure not
Sign), for accommodating rotor water pipe (not indicated in figure), and the rotor water pipe is fixedly connected with the end of motor.In rotating shaft
Annular chamber 211 is formed between the inwall in hole and the outer wall of rotor water pipe, the inner chamber 212 of the annular chamber 211 and rotor water pipe is total to
With bypass passage 21 is formed, coolant is flowed to inner chamber 212 out of annular chamber 211 or flow to annular chamber from inner chamber 212
211, and then heat of the coolant of flowing rapidly by rotating shaft 2 is taken away.In addition, those skilled in the art can be with root
According to needs, bypass passage 21 is arranged to the structure of other shapes, for example annular chamber 211 is arranged to be in along the axis of rotating shaft 2
The structure of screw type.
As shown in Figure 1 to Figure 3, current divider 3 is preferably removable installed in motor by bolt (not shown)
End, in order to the processing, manufacture and maintenance of motor and current divider 3, or those skilled in the art can also be as needed, leads to
Cross other connected modes to be fixedly connected with current divider 3 with the end of motor, for example, weld.In addition those skilled in the art may be used also
So that the end of current divider 3 and motor is integrally molded so as into an entirety.Further, current divider 3 includes the first tie-beam 31 and the
Two tie-beams 32, and the first communicating passage 311 is arranged in the first tie-beam 31, and the second communicating passage 321 is arranged on second
Cool down in beam 32.First communicating passage 311 is used to connect the first connecting hole 111 and bypass passage 21 (such as annular chamber 211), second
Communicating passage 321 is used to bypass passage 21 (such as inner chamber 212) with the second connecting hole 112 being connected so that the first communicating passage
311st, the communicating passage 321 of bypass passage 21 and second collectively forms the second cooling duct, so that coolant can be straight from casing 1
Countershaft and rotor in inflow rotating shaft 2 is connect to be cooled down.
It will be appreciated to those of skill in the art that relative in the prior art by external pipeline by motor case
Cooling duct is connected with the cooling duct in rotating shaft, in a preferred embodiment of the invention, the first communicating passage 311 and
Not only runner is short for two communicating passages 321, and by adjusting the sectional area of the first communicating passage 311 and the second communicating passage 321
Resistance when coolant flows through current divider can also be efficiently reduced.
In addition, in addition to Fig. 1 to the current divider 3 shown in Fig. 3, those skilled in the art can also select other as needed
The connectedness of form by the first connecting hole 111 and the second connecting hole 112 respectively with the annular chamber 211 of bypass passage 21 and inner chamber
212 are connected, for example, the connectedness is the pipeline being relatively large in diameter.It will be appreciated by persons skilled in the art that connection first connects
It both can be quantitatively one that the passage of hole 111 and annular chamber 211, which is connect, with the passage for connecting the second connecting hole 112 and inner chamber 212
Bar or a plurality of, such as two, three, five.
As shown in Figure 3 and Figure 4, shunting post 15 is provided with casing 1, the shunting post 15 is located at the first communicating passage 311
And second between communicating passage 321, and the part-structure of the shunting post 15 can be extended in the first cooling duct 11.It is preferred that
Ground, the shunting post 15 is coordinated with casing 1 by screw thread, and can change shunting post 15 by movement (as rotated) shunting post 15 extends
The length of first part in cooling duct 11, and then change the area of section of the first cooling duct 11 at this, so as to adjust
Flow through the flow of the coolant of the first cooling duct 11.Lead to because coolant preferably enters the first cooling from the first water pipe 13
Road 11 and from the second water pipe 14 flow out, i.e., the total flow of the coolant in motor is constant, so in the first cooling duct 11
When the flow of interior coolant changes, the flow of the coolant in bypass passage 21 can also change, and the change with
Coolant rate is changing into negative correlation in first cooling duct 11.It should be noted that shunting post 15 can also be this area
Technical staff it is conceivable that and any diversion mechanism that can implement, for example, flow divider, choke valve, and diversion mechanism may be used also
To be fixed on by other feasible connected modes on casing 1, for example, choke valve is bolted on casing 1.
In addition, those skilled in the art can also be as needed, shunting post 15 is arranged on the first connecting hole 111 or the second
At connecting hole 112, or shunting post 15 is arranged on current divider 3, to shunt the processing of the mounting hole of post 15, and in shunting
It is convenient to replace when the mounting hole of post 15 is damaged and (threaded off as installed screw thread), i.e., directly change current divider 3.
Further, those skilled in the art can also be as needed, in the first cooling duct 11 and the second cooling duct
One shunting post 15 is set respectively.Alternatively, set on casing 1 between first communicating passage 311 and the second communicating passage 321
Post 15 is shunted, shunting post 15 is set on the first tie-beam 31 of current divider 3 or on the second tie-beam 32.Those skilled in the art
It is easily understood that the shunting post 15 of the present invention can play a part of throttling to place cooling duct, so, it is cold in order to reduce
But the damping force of liquid, when the first cooling duct 11 needs throttling, it is necessary to which the shunting post 15 on the second cooling duct is adjusted to
Make the maximum position in cooling duct section at this, and then adjust the shunting post 15 on the first cooling duct 11.When the second cooling is logical
Road is needed during throttling, it is necessary to be adjusted to make the maximum position in cooling duct section at this by the shunting post 15 on the first cooling duct 11
Put, and then adjust the shunting post 15 on the second cooling duct.
As shown in figure 4, in a preferred embodiment of the invention, it is cold that electromotor cooling system of the invention mainly includes first
But passage 11 and the second cooling duct extended by the first cooling duct 11.Specifically, the first cooling duct 11 passes through first
The first communicating passage 311 and the second communicating passage 321 of the connecting hole 112 of connecting hole 111 and second respectively with the second cooling duct
It is connected.
With continued reference to Fig. 4, electromotor cooling system of the invention also includes shunting post 15, and the shunting post 15 is located at the second cooling
Between the upstream end and downstream of passage, i.e., the inlet and the second communicating passage of the first communicating passage 311 shown in Fig. 4
Between 321 liquid outlets.It can change the size of the sectional area of the first cooling duct 11 at this by adjusting shunting post 15, and then can
Change the flow of coolant in the first cooling duct 11, so as to the flow for the coolant for changing the second cooling duct.
In addition, those skilled in the art can also be as needed, shunting post 15 is arranged in the second cooling duct, so as to
The flow for the coolant for flowing through the second cooling duct can be directly adjusted by adjusting the opening of shunting post 15, and then causes second
Cooling duct directly can be ended coolant by the shunting post 15 when not needing coolant.Or, people in the art
Member can also set a shunting post 15 respectively in the first cooling duct 11 and the second cooling duct as needed.
It should be noted that in a preferred embodiment of the invention, coolant is water, or those skilled in the art are also
Coolant, such as hydraulic oil can be used as from other media as needed.
In addition, those skilled in the art can also be as needed, on the premise of coolant can flow through casing and rotating shaft
The electromotor cooling system of the present invention is suitably adjusted, for example, make the first communicating passage 311 be connected with inner chamber 212, makes the
Two communicating passages 321 are connected with annular chamber 211.
It will be appreciated to those of skill in the art that by the first tie-beam 31 and the second tie-beam 32 by casing 1
Cooling duct (111,121) is connected with the bypass passage 21 in rotating shaft 2, motor is only set a water inlet pipe and one
Outlet pipe (the first water pipe 13 and the second water pipe 14) is it is ensured that casing 1 and rotating shaft 2 can be simultaneously cooled, so that relative to existing
There is the electromotor cooling system (set of cooling-part) in technology to reduce complexity.Further, by being set on casing 1
The shunting post 15 of coolant rate ratio in the first cooling duct 11 and bypass passage 21 is adjusted, rotor can be effectively adjusted and fixed
The radiating ratio of son, so as to optimize the radiating effect of rotor.
So far, combined preferred embodiment shown in the drawings describes technical scheme, still, this area
Technical staff is it is easily understood that protection scope of the present invention is expressly not limited to these embodiments.Without departing from this
On the premise of the principle of invention, those skilled in the art can make equivalent change or replacement to correlation technique feature, these
Technical scheme after changing or replacing it is fallen within protection scope of the present invention.
Claims (10)
1. a kind of electromotor cooling system, the motor includes being provided with casing, end cap, stator, rotor and rotating shaft, the casing
First mouth of a river and second mouth of a river, it is characterised in that the cooling system includes the first cooling duct and cooled down by described first
The second cooling duct that passage extends,
Wherein, first cooling duct is arranged in the casing, and the two ends of first cooling duct can be distinguished
It is connected with first mouth of a river and second mouth of a river；
Wherein, second cooling duct includes：
Bypass passage, it is arranged at the rotating shaft；And
Communicating passage, it is arranged at the end of the motor, and the communicating passage is used for the bypass passage and described first
Cooling duct is connected；
The cooling system also includes diversion mechanism, and the diversion mechanism can adjust the coolant for flowing through second cooling duct
Flow.
2. electromotor cooling system according to claim 1, it is characterised in that the cooling system also includes connectedness, institute
The end that connectedness is arranged at the motor is stated, the communicating passage is arranged at the connectedness.
3. electromotor cooling system according to claim 2, it is characterised in that the connectedness is current divider.
4. electromotor cooling system according to claim 1, it is characterised in that the bypass passage includes：
It is arranged at the shaft hole in the rotating shaft；And
It is arranged at the rotor water pipe in the shaft hole；
Wherein, the end of the motor is fixed in one end of the rotor water pipe.
5. electromotor cooling system according to claim 4, it is characterised in that the communicating passage includes the first communicating passage
With the second communicating passage,
Wherein, first communicating passage is used to connect first cooling duct and the shaft hole, and second connection is logical
Road is connected for connecting the rotor water pipe with first cooling duct.
6. electromotor cooling system according to any one of claim 1 to 5, it is characterised in that the diversion mechanism is set
In first cooling duct, and
The diversion mechanism is arranged between the upstream end of second cooling duct and downstream；And/or
The diversion mechanism is arranged in second cooling duct.
7. electromotor cooling system according to claim 6, it is characterised in that the diversion mechanism is shunting post or shunting
Valve.
8. electromotor cooling system according to any one of claim 1 to 5, it is characterised in that at least a portion described the
Axis direction of one cooling duct along motor helically type or S types.
9. electromotor cooling system according to claim 8, it is characterised in that first cooling duct includes main cooling section
And the first connection cooling section and the second connection cooling section extended by the main cooling section,
Wherein, axis direction of the main cooling section along motor helically type or S types, the communicating passage connects by described first
Connect cooling section and the second connection cooling section is connected with the main cooling section respectively.
10. electromotor cooling system according to claim 9, it is characterised in that observed along the feed liquor direction of coolant, described
Part and described second cooling of the main cooling section between the described first connection cooling section and the second connection cooling section are logical
Road is cooling duct in parallel.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710224972.2A CN106981943A (en) | 2017-04-07 | 2017-04-07 | Electromotor cooling system |
| PCT/CN2017/095238 WO2018184328A1 (en) | 2017-04-07 | 2017-07-31 | Motor cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710224972.2A CN106981943A (en) | 2017-04-07 | 2017-04-07 | Electromotor cooling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106981943A true CN106981943A (en) | 2017-07-25 |
Family
ID=59345200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710224972.2A Pending CN106981943A (en) | 2017-04-07 | 2017-04-07 | Electromotor cooling system |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN106981943A (en) |
| WO (1) | WO2018184328A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018184328A1 (en) * | 2017-04-07 | 2018-10-11 | 上海蔚来汽车有限公司 | Motor cooling system |
| CN110277842A (en) * | 2018-03-15 | 2019-09-24 | 蔚来汽车有限公司 | Motor with cooling jacket |
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|---|---|---|---|---|
| US6329731B1 (en) * | 1999-08-10 | 2001-12-11 | The Swatch Group Management Services Ag | Driving unit including a liquid cooled electric motor and a planetary gear |
| CN202818002U (en) * | 2012-07-31 | 2013-03-20 | 联合汽车电子有限公司 | Cooling structure of internal-rotor motor |
| CN106208526A (en) * | 2016-08-31 | 2016-12-07 | 山东华普电机科技有限公司 | The weather resistant motor of vortex water-cooled, air-cooled dual intensity cooling |
| CN106411051A (en) * | 2016-11-25 | 2017-02-15 | 长沙汽电汽车零部件有限公司 | Water cooling system of motor and controller integrated structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104942649B (en) * | 2015-07-21 | 2017-12-01 | 安阳工学院 | Cooling structure inside and outside a kind of high-speed electric main shaft |
| CN205429991U (en) * | 2016-02-03 | 2016-08-03 | 中山大洋电机股份有限公司 | Cooling structure of motor |
| CN106300809B (en) * | 2016-09-27 | 2018-08-21 | 佛山市顺德区金泰德胜电机有限公司 | A kind of cooling structure of electric motor of automobile |
| CN106972698A (en) * | 2017-04-07 | 2017-07-21 | 上海蔚来汽车有限公司 | Electromotor cooling system |
| CN106953467A (en) * | 2017-04-07 | 2017-07-14 | 上海蔚来汽车有限公司 | Electromotor cooling system |
| CN106981943A (en) * | 2017-04-07 | 2017-07-25 | 上海蔚来汽车有限公司 | Electromotor cooling system |
-
2017
- 2017-04-07 CN CN201710224972.2A patent/CN106981943A/en active Pending
- 2017-07-31 WO PCT/CN2017/095238 patent/WO2018184328A1/en active Application Filing
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6329731B1 (en) * | 1999-08-10 | 2001-12-11 | The Swatch Group Management Services Ag | Driving unit including a liquid cooled electric motor and a planetary gear |
| CN202818002U (en) * | 2012-07-31 | 2013-03-20 | 联合汽车电子有限公司 | Cooling structure of internal-rotor motor |
| CN106208526A (en) * | 2016-08-31 | 2016-12-07 | 山东华普电机科技有限公司 | The weather resistant motor of vortex water-cooled, air-cooled dual intensity cooling |
| CN106411051A (en) * | 2016-11-25 | 2017-02-15 | 长沙汽电汽车零部件有限公司 | Water cooling system of motor and controller integrated structure |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018184328A1 (en) * | 2017-04-07 | 2018-10-11 | 上海蔚来汽车有限公司 | Motor cooling system |
| CN110277842A (en) * | 2018-03-15 | 2019-09-24 | 蔚来汽车有限公司 | Motor with cooling jacket |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018184328A1 (en) | 2018-10-11 |
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Application publication date: 20170725 |