CN207968210U - A kind of driving motor cooling structure and electric vehicle - Google Patents
A kind of driving motor cooling structure and electric vehicle Download PDFInfo
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- CN207968210U CN207968210U CN201820287471.9U CN201820287471U CN207968210U CN 207968210 U CN207968210 U CN 207968210U CN 201820287471 U CN201820287471 U CN 201820287471U CN 207968210 U CN207968210 U CN 207968210U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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Abstract
The utility model provides a kind of driving motor cooling structure and electric vehicle, and wherein driving motor cooling structure includes driving motor；The liquid inlet and liquid outlet being set on the shell of driving motor；The cooling pipe being set to inside driving motor, cooling pipe are connected to stator chamber in liquid inlet and driving motor and stator chamber and liquid outlet；Cooling pipe includes the first cooling line and the second cooling line, and the first cooling line is set to the periphery of the first bearing of the rotor structure of driving motor, and the second cooling line is set to the periphery of the second bearing of rotor structure；Wherein stator chamber completely cuts off with the rotor chamber for accommodating rotor structure.The driving motor cooling structure of the utility model may be implemented directly to cool down stator and bearing, heat caused by copper loss, stator iron loss and mechanical loss taken away, good cooling effect is reached.
Description
Technical field
The utility model is related to electric vehicle engineering field more particularly to a kind of driving motor cooling structures and electronic vapour
Vehicle.
Background technology
Electric vehicle controls wheel to realize running car, core of the driving motor as electric vehicle by driving motor
Function influences vehicle performance at great, to be studied thus as major electric vehicle manufacturer emphasis.The wherein heat dissipation of driving motor
Ability has larger impact to the operation of driving motor.
Driving motor used in existing electric vehicle, the generally use shell water channel type of cooling radiate, this is cold
But mode is contacted with two level cooling media air due to pyrotoxin, then is transmitted to level liquid cooling media by heat transfer, is caused
Cooling effect is general.And the existing type of cooling cannot meet and be brought since heating improves in hoisting power/torque density
Big heat dissipation capacity cooling requirement, cause driving motor that can not carry out more optimized design.
Utility model content
A kind of driving motor cooling structure of the utility model offer and electric vehicle are used with solving existing driving motor
The shell water channel type of cooling radiates, and cooling effect is general, in hoisting power/torque density, cannot meet due to rising
Temperature improves the cooling requirement of big heat dissipation capacity brought, the problem of causing driving motor that can not carry out more optimized design.
The utility model provides a kind of driving motor cooling structure, including：
Driving motor；
The liquid inlet and liquid outlet being set on the shell of the driving motor；
The cooling pipe being set to inside the driving motor, the cooling pipe are connected to the liquid inlet and the driving
Stator chamber and the stator chamber in motor and the liquid outlet；
The cooling pipe includes the first cooling line and the second cooling line, and first cooling line is set to described
The periphery of the first bearing of the rotor structure of driving motor, second cooling line are set to the second axis of the rotor structure
The periphery held；
The wherein described bore of stator room completely cuts off with the rotor chamber for accommodating the rotor structure.
Optionally, the driving motor further includes：
Sleeve, drive end bearing bracket and rear end cap, the sleeve, the drive end bearing bracket and the rear end cap cooperatively form the rotor chamber
Room；
The stator chamber is set to the periphery of the rotor chamber；The drive end bearing bracket and the rear end cap are respectively arranged at
The opposite end of the shell.
Optionally, the stator chamber is by the outer wall of the sleeve, the shell, the drive end bearing bracket and the rear end cap
It cooperatively forms；
Stator structure is provided in the bore of stator room, the stator structure includes first part, and, it is set to described
First part's opposite sides and identical second part and Part III；
The opposite end surface of the first part is mutually attached with the inner wall of the outer wall of the sleeve and the shell respectively,
The end face of the second part and the Part III is attached on the outer wall of the sleeve, other end and the shell
Inner wall is spaced a predetermined distance.
Optionally, the stator chamber includes：By the outer wall of the sleeve, the shell, the rear end cap and described
The first chamber for the flowing coolant liquid that the first side wall of a part cooperatively forms, and, by the outer wall of the sleeve, the shell
The second chamber for the flowing coolant liquid that the second sidewall of body, the drive end bearing bracket and the first part cooperatively forms；
Wherein, the first side wall is opposite with the second sidewall, and the second part is located in the first chamber, institute
Part III is stated to be located in the second chamber.
Optionally, the connection first chamber and the second chamber are provided in the first part of the stator structure
Connecting path.
Optionally, the liquid inlet is arranged close to the rear end cap, and is connected to described first by the cooling pipe
Chamber；The liquid outlet is arranged close to the drive end bearing bracket, and is connected to the second chamber by the cooling pipe.
Optionally, the cooling pipe further includes：
First access and alternate path, the liquid inlet are connected to first access, the first access connection described the
One cooling line, first cooling line are connected to the import of the stator chamber by the alternate path；And
Third path and fourth passage, third path described in the outlet of the stator chamber, the third path connect
Lead to second cooling line, second cooling line is connected to the liquid outlet by the fourth passage.
Optionally, first cooling line and second cooling line are annular.
Optionally, the rotor structure includes shaft and the rotor core with the shaft integrally connected；
The first bearing is set to the first end of the shaft, and the second bearing is set to the second of the shaft
End；
One trepanning is set on the rear end cap, and the driving motor is extended in one end of the shaft by the trepanning.
The utility model also provides a kind of electric vehicle, and the electric vehicle includes above-mentioned driving motor cooling structure.
The advantageous effect of technical solutions of the utility model includes at least：
Technical solutions of the utility model, in the inside of driving motor setting connection liquid inlet and stator chamber, stator chamber
With the cooling pipe of liquid outlet, and the first cooling line of cooling pipe and the second cooling line are separately positioned on rotor structure
Two bearings periphery, may be implemented directly to cool down stator and bearing, will be hot caused by copper loss, stator iron loss and mechanical loss
Amount is taken away, good cooling results, and then can meet the design requirement of high power and high torque density, while stator chamber and rotor
Chamber completely cuts off, and the cooling of stator chamber does not interfere with the operating of rotor structure, and then can guarantee the normal work of driving motor.
Description of the drawings
In order to illustrate more clearly of the technical solution of the utility model embodiment, the utility model embodiment will be retouched below
Attached drawing needed in stating is briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model
Some embodiments for those of ordinary skill in the art without having to pay creative labor, can be with root
Other attached drawings are obtained according to these attached drawings.
Fig. 1 shows the utility model embodiment driving motor cooling structure schematic diagrames one；
Fig. 2 indicates the utility model embodiment driving motor cooling structure schematic diagram two；
Fig. 3 indicates the utility model embodiment driving motor cooling structure schematic diagram three；
Fig. 4 indicates the schematic diagram of the utility model embodiment rotor structure and stator structure.
Wherein in figure：1, driving motor；11, shell；12, rotor structure；121, first bearing；122, second bearing；
123, shaft；124, rotor core；13, sleeve；14, drive end bearing bracket；15, rear end cap；2, liquid inlet；3, liquid outlet；4, bore of stator
Room；41, stator structure；411, first part；4111, connecting path；412, second part；413, Part III；42, the first chamber
Room；43, second chamber；51, the first cooling line；52, the second cooling line；53, the first access；54, alternate path；55,
Three-way；56, fourth passage；6, rotor chamber；7, tapping plug.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
It clearly and completely describes, it is clear that described embodiment is the utility model a part of the embodiment, rather than whole implementation
Example.Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without creative efforts
The every other embodiment obtained, shall fall within the protection scope of the present invention.
The utility model embodiment provides a kind of driving motor cooling structure, as shown in Figure 1 to Figure 3, including：
Driving motor 1；The liquid inlet 2 and liquid outlet 3 being set on the shell 11 of driving motor 1；
The cooling pipe being set to inside driving motor 1, cooling pipe are connected to liquid inlet 2 and the stator in driving motor 1
Chamber 4 and stator chamber 4 and liquid outlet 3；
Cooling pipe includes the first cooling line 51 and the second cooling line 52, and the first cooling line 51 is set to driving electricity
The periphery of the first bearing 121 of the rotor structure 12 of machine 1, the second cooling line 52 are set to the second bearing of rotor structure 12
122 periphery；
Wherein stator chamber 4 completely cuts off with the rotor chamber 6 for accommodating rotor structure 12.
The utility model embodiment provide driving motor cooling structure include：Driving motor 1 is set to driving motor 1
Shell 11 on liquid inlet 2 and liquid outlet 3, and be set to the cooling pipe inside driving motor 1.
Wherein liquid inlet 2 and liquid outlet 3 can be respectively arranged at the opposite sides of shell 11, and place end face is opposite, tool
Body form can be found in shown in Fig. 1, and liquid inlet 2 is set to the upper right corner of shell 11, and liquid outlet 3 is set to the lower left corner of shell 11.
The position of certain liquid inlet 2 and liquid outlet 3 is not limited thereto, and can also be other forms.
Cooling pipe is respectively communicated with liquid inlet 2 and stator chamber 4 and stator chamber 4 and liquid outlet 3, may be implemented by
The coolant liquid that liquid inlet 2 provides flows into stator chamber 4, and is flowed out by liquid outlet 3, and then realizes to the cold of stator chamber 4
But.And since stator chamber 4 and rotor chamber 6 are isolated, flowing of the coolant liquid in stator chamber 4 will not be to rotor chamber 6
Interior rotor structure 12 has an impact, and then can ensure the normal operation of rotor structure 12, and then ensures driving motor 1 just
Often work.
Cooling pipe includes the first cooling line 51 and the second cooling line 52, the first cooling line 51, the second cooling tube
Road 52 can be located in rotor chamber 6, and the first cooling line 51 is set to the periphery of the first bearing 121 of rotor structure 12, the
Two cooling lines 52 are set to the periphery of the second bearing 122 of rotor structure 12, and it is right using the first cooling line 51 to may be implemented
First bearing 121 is cooled down, and is cooled down to second bearing 122 using the second cooling line 52.It should be noted that first
Cooling line 51 can be spaced apart with first bearing 121, and the second cooling line 52 can be spaced centainly with second bearing 122
Distance.
The utility model embodiment, can will be produced by copper loss, stator iron loss and mechanical loss in a manner of directly cooling
Heat take away, have good cooling effect.
In one embodiment of the utility model, driving motor 1 further includes：
Sleeve 13, drive end bearing bracket 14 and rear end cap 15, sleeve 13, drive end bearing bracket 14 and rear end cap 15 cooperatively form rotor chamber 6；
Stator chamber 4 is set to the periphery of rotor chamber 6；Drive end bearing bracket 14 and rear end cap 15 are respectively arranged at the opposite end of shell 11.
Shell 11 in the utility model embodiment is the hollow cylindrical of both ends end-cover-free, and the inside of driving motor 1 is set
It is equipped with the sleeve 13 of both ends open, wherein sleeve 13 is hollow cylindrical, and the axial direction of sleeve 13 is equal with the axial direction of shell 11
Row, and the radical length of sleeve 13 is less than the radical length of shell 11.It is provided at both ends with drive end bearing bracket 14 and rear end in shell 11
Lid 15, sleeve 13, drive end bearing bracket 14 and rear end cap 15 can cooperatively form rotor chamber 6.Wherein stator chamber 4 is set to rotor chamber
6 periphery, and be isolated with rotor chamber 6.
In the utility model embodiment, as shown in Figures 1 to 4, stator chamber 4 is by the outer wall of sleeve 13, shell 11, preceding
End cap 14 and rear end cap 15 cooperatively form；Stator structure 41 is provided in stator chamber 4, stator structure 41 includes first part
411, and, be set to 411 opposite sides of first part and identical second part 412 and Part III 413；First part
411 opposite end surface is mutually attached with the inner wall of the outer wall of sleeve 13 and shell 11 respectively, second part 412 and Part III
413 end face is attached on the outer wall of sleeve 13, and other end and the inner wall of shell 11 are spaced a predetermined distance.
Shell 11 is formed by space with drive end bearing bracket 14 and rear end cap 15 including rotor chamber 6 and stator chamber 4, wherein
Stator chamber 4 is set to the periphery of rotor chamber 6, and it is stator chamber 4 to remove remaining space after rotor chamber 6.Bore of stator
Room 4 is cooperatively formed by the inner wall of the outer wall of sleeve 13, the inner wall of shell 11, the inner wall of drive end bearing bracket 14 and rear end cap 15.
Stator structure 41 is wherein provided in stator chamber 4, stator structure 41 includes：First part 411, is set to first
The second part 412 and Part III 413 of 411 opposite sides of part, wherein first part 411 and second part 412 and third
413 integrally connected of part, and the structure and shape all same of second part 412 and Part III 413.
The opposite sides of first part 411 is connect with second part 412 and Part III 413 respectively, first part 411
Opposite end surface is mutually attached with the inner wall of the outer wall of sleeve 13 and shell 11 respectively.Second part 412 and Part III 413
Wherein end face is attached on the outer wall of sleeve 13, the pre- spacing in inner wall interval of the other end opposite with the end face and shell 11
From.
It is arranged one on the end face that the inner wall of wherein second part 412 and Part III 413 and shell 11 is spaced a predetermined distance
Groove, and the side wall of first part 411 is formed as the one side wall of groove.Here preset distance includes the first preset distance and the
Two preset distances, wherein the first preset distance is the distance between the inner wall of slot bottom and shell 11, the second preset distance is groove top
The difference of the distance between the inner wall in portion and shell 11, the first preset distance and the second preset distance is the depth of groove.
In the utility model embodiment, as shown in Figure 1 to Figure 3, stator chamber 4 includes：By the outer wall of sleeve 13, shell
11, the first chamber 42 for the flowing coolant liquid that rear end cap 15 and the first side wall of first part 411 cooperatively form, and, by covering
Second chamber of the flowing coolant liquid that outer wall, shell 11, drive end bearing bracket 14 and the second sidewall of first part 411 of cylinder 13 cooperatively form
Room 43；Wherein, the first side wall is opposite with second sidewall, and second part 412 is located in first chamber 42, and Part III 413 is located at
In second chamber 43.
Further include the first chamber 42 and the second chamber for flowing coolant liquid in stator chamber 4 in addition to being provided with stator structure 41
Room 43, the coolant liquid flowed can be cooling oil, liquefaction ethyl alcohol or other nonconducting liquid mediums.
First chamber 42 is by the of the outer wall of sleeve 13, the inner wall of shell 11, the inner wall of rear end cap 15 and first part 411
One side wall cooperatively forms, and the first side wall with second part 412 of wherein first part 411 is connect, and second part 412 is located at first
Include coolant liquid and second part 412 in chamber 42, in first chamber 42.
Second chamber 43 is by the of the outer wall of sleeve 13, the inner wall of shell 11, the inner wall of drive end bearing bracket 14 and first part 411
Two side walls cooperatively form, and wherein the second sidewall of first part 411 is connect with Part III 413, and Part III 413 is located at second
Include coolant liquid and Part III 413 in chamber 43, in second chamber 43.
In the utility model embodiment, be provided in the first part 411 of stator structure 41 connection first chamber 42 with
The connecting path 4111 of second chamber 43.
First part 411 is provided between first chamber 42 and second chamber 43, first part 411 is so that first chamber 42
It is isolated with second chamber 43, by the way that connecting path 4111 is arranged in first part 411, first chamber 42 and the may be implemented
Connection between two chambers 43.
In the utility model embodiment, liquid inlet 2 is arranged close to rear end cap 15, and is connected to first by cooling pipe
Chamber 42；Liquid outlet 3 is arranged close to drive end bearing bracket 14, and is connected to second chamber 43 by cooling pipe.
Liquid inlet 2 is arranged on shell 11, and close to rear end cap 15, and liquid outlet 3 is arranged on shell 11, and leans on front end
Lid 14, wherein liquid inlet 2 are connected to first chamber 42 by cooling pipe, and coolant liquid can be taken to first chamber 42.Due to
It is provided with connecting path 4111 in first part 411, the connection of first chamber 42 and second chamber 43 may be implemented.At this time first
Coolant liquid in chamber 42 is entered by connecting path 4111 in second chamber 43, and the company of second chamber 43 and liquid outlet 3 is passed through
It is logical, circulation of the coolant liquid in driving motor 1 may be implemented, and then realize good cooling effect.Wherein first chamber 42 with
Second chamber 43 is identical annular compartment.
In one embodiment of the utility model, as shown in Figure 2 to Figure 3, cooling pipe further includes：
First access 53 and alternate path 54, liquid inlet 2 are connected to the first access 53, and the first access 53 is connected to the first cooling tube
Road 51, the first cooling line 51 are connected to the import of stator chamber 4 by alternate path 54；And
Third path 55 and fourth passage 56, the outlet third path 55 of stator chamber 4, the connection of third path 55 the
Two cooling lines 52, the second cooling line 52 are connected to liquid outlet 3 by fourth passage 56.
Cooling pipe includes：First access 53, the first cooling line 51, alternate path 54, third path 55, second cool down
Pipeline 52 and fourth passage 56, wherein liquid inlet 2 are connected to the first access 53, and the first access 53 is connected to the first cooling line 51,
First cooling line 51 is connected to alternate path 54, and alternate path 54 is connected to the import of stator chamber 4, the first access 53, first
Cooling line 51, alternate path 54 and stator chamber 4 are arranged in order.
The outlet third path 55 of stator chamber 4, third path 55 are connected to the second cooling line 52, the second cooling tube
Road 52 is connected to fourth passage 56, and fourth passage 56 is connected to liquid outlet 3, stator chamber 4, third path 55, the second cooling line
52, fourth passage 56 and liquid outlet 3 are arranged in order.
The import of stator chamber 4 in the utility model embodiment can be set to the first chamber 42 of above-described embodiment
On, the outlet of stator chamber 4 can be set in the second chamber 43 of above-described embodiment.Wherein in first chamber 42 or second
It may be provided with through-hole on shell 11 corresponding to chamber 43, tapping plug 7 be set on through-hole, is used for first chamber 42 and the second chamber
Coolant liquid in room 43 is released.
In another embodiment of the utility model, as shown in Figure 2 to Figure 3, the first cooling line 51 and the second cooling line
52 be annular.First cooling line 51 and the second cooling line 52 are circular ring shape, and are respectively arranged at first bearing 121
The periphery of periphery and second bearing 122, can be in order to cooling bearing.
First the first access of open communication 53 of the first cooling line 51, the second open communication of the first cooling line 51
Two accesses 54；First open communication third path 55 of the second cooling line 52, the second open communication of the second cooling line 52
Fourth passage 56.
In another embodiment of the utility model, as shown in Figures 1 to 4, rotor structure 12 include shaft 123 and with turn
The rotor core 124 of 123 integrally connected of axis；First bearing 121 is set to the first end of shaft 123, and second bearing 122 is set to
The second end of shaft 123；One trepanning is set on rear end cap 15, and driving motor 1 is extended in one end of shaft 123 by trepanning.
Rotor structure 12 include shaft 123 and rotor core 124, shaft 123 be set to the middle part of rotor core 124 and
Through the axial direction of rotor core 124, the axial length of rotor core 124 is less than the axial length of shaft 123, and the two of shaft 123
End exposes to rotor core 124 so that 124 covered section shaft 123 of rotor core.
The axial length of shaft 123 is more than the axial length of rotor core 124, and first bearing 121 is set to shaft 123
First end, second bearing 122 is set to the second end of shaft 123, and first end is opposite with second end, in first bearing 121
The first cooling line 51 is arranged in periphery, and the second cooling line 52 is arranged in the periphery of second bearing 122, may be implemented to bearing
It is cooling.One trepanning is set on rear end cap 15, and the first end of shaft 123 extends driving motor 1 by trepanning.
In technical solution provided by the utility model, sensor can also be set in driving motor, and use change
Frequency pump to carry out variable flow type coolant liquid cycle according to different fevers.
The utility model, based on the main calorific value of Over Electric Motor with PMSM on stator and bearing, rotor hair
The smaller factor of heat provides above-mentioned driving motor cooling structure, regard stator and bearing cooling as main purpose, compares
It is cooled down in shell water channel, cooling effect protrudes, and can effectively save material and improve power of motor/torque density.
The utility model embodiment also provides a kind of electric vehicle, including above-mentioned driving motor cooling structure, by upper
The driving motor cooling structure stated may be implemented directly to cool down stator and bearing, copper loss, stator iron loss and mechanical loss produced
Raw heat is taken away, good cooling results, and then can meet the design requirement of high power and high torque density, while stator chamber
Completely cut off with rotor chamber, the cooling of stator chamber does not interfere with the operating of rotor structure, and then can guarantee the normal of driving motor
Work.
Above-described is preferred embodiments of the present invention, it should be pointed out that for the ordinary person of the art
For, it can also make several improvements and retouch under the premise of not departing from principle described in the utility model, these are improved and profit
Decorations are also within the protection scope of the present utility model.
Claims (10)
1. a kind of driving motor cooling structure, which is characterized in that including：
Driving motor (1)；
The liquid inlet (2) and liquid outlet (3) being set on the shell (11) of the driving motor (1)；
It is set to the internal cooling pipe of the driving motor (1), the cooling pipe is connected to the liquid inlet (2) and the drive
Stator chamber (4) and the stator chamber (4) in dynamic motor (1) and the liquid outlet (3)；
The cooling pipe includes the first cooling line (51) and the second cooling line (52), and first cooling line (51) sets
It is placed in the periphery of the first bearing (121) of the rotor structure (12) of the driving motor (1), second cooling line (52) sets
It is placed in the periphery of the second bearing (122) of the rotor structure (12)；
The wherein described bore of stator room (4) completely cuts off with the rotor chamber (6) for accommodating the rotor structure (12).
2. driving motor cooling structure according to claim 1, which is characterized in that the driving motor (1) further includes：
Sleeve (13), drive end bearing bracket (14) and rear end cap (15), the sleeve (13), the drive end bearing bracket (14) and the rear end cap
(15) rotor chamber (6) is cooperatively formed；
The stator chamber (4) is set to the periphery of the rotor chamber (6)；The drive end bearing bracket (14) and the rear end cap (15)
It is respectively arranged at the opposite end of the shell (11).
3. driving motor cooling structure according to claim 2, which is characterized in that the stator chamber (4) is by the set
Outer wall, the shell (11), the drive end bearing bracket (14) and the rear end cap (15) of cylinder (13) cooperatively form；
It is provided with stator structure (41) in the stator chamber (4), the stator structure (41) includes first part (411), with
And be set to the first part (411) opposite sides and identical second part (412) and Part III (413)；
The opposite end surface of the first part (411) is interior with the outer wall of the sleeve (13) and the shell (11) respectively
Wall mutually attaches, and the end face of the second part (412) and the Part III (413) is attached at the outer wall of the sleeve (13)
On, the inner wall of other end and the shell (11) is spaced a predetermined distance.
4. driving motor cooling structure according to claim 3, which is characterized in that the stator chamber (4) includes：By institute
State outer wall, the shell (11), the rear end cap (15) and the cooperation of the first side wall of the first part (411) of sleeve (13)
The first chamber (42) of the flowing coolant liquid of formation, and, by the outer wall of the sleeve (13), the shell (11), it is described before
The second chamber (43) for the flowing coolant liquid that the second sidewall of end cap (14) and the first part (411) cooperatively forms；
Wherein, the first side wall is opposite with the second sidewall, and the second part (412) is located at the first chamber (42)
Interior, the Part III (413) is located in the second chamber (43).
5. driving motor cooling structure according to claim 4, which is characterized in that first of the stator structure (41)
Divide on (411) and is provided with the connecting path (4111) for being connected to the first chamber (42) and the second chamber (43).
6. driving motor cooling structure according to claim 5, which is characterized in that the liquid inlet (2) is after described
End cap (15) is arranged, and is connected to the first chamber (42) by the cooling pipe；The liquid outlet (3) is before described
End cap (14) is arranged, and is connected to the second chamber (43) by the cooling pipe.
7. driving motor cooling structure according to claim 1, which is characterized in that the cooling pipe further includes：
First access (53) and alternate path (54), the liquid inlet (2) are connected to first access (53), first access
(53) it is connected to first cooling line (51), first cooling line (51) is connected to institute by the alternate path (54)
State the import of stator chamber (4)；And
Third path (55) and fourth passage (56), third path (55) described in the outlet of the stator chamber (4) are described
Third path (55) is connected to second cooling line (52), and second cooling line (52) passes through the fourth passage (56)
It is connected to the liquid outlet (3).
8. driving motor cooling structure according to claim 1, which is characterized in that first cooling line (51) and institute
It is annular to state the second cooling line (52).
9. driving motor cooling structure according to claim 2, which is characterized in that the rotor structure (12) includes shaft
(123) and the rotor core (124) with the shaft (123) integrally connected；
The first bearing (121) is set to the first end of the shaft (123), and the second bearing (122) is set to described
The second end of shaft (123)；
One trepanning is set on the rear end cap (15), and the driving is extended in one end of the shaft (123) by the trepanning
Motor (1).
10. a kind of electric vehicle, which is characterized in that the electric vehicle includes driving as described in any one of claim 1 to 9
Motor cooling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820287471.9U CN207968210U (en) | 2018-03-01 | 2018-03-01 | A kind of driving motor cooling structure and electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820287471.9U CN207968210U (en) | 2018-03-01 | 2018-03-01 | A kind of driving motor cooling structure and electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207968210U true CN207968210U (en) | 2018-10-12 |
Family
ID=63740445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820287471.9U Active CN207968210U (en) | 2018-03-01 | 2018-03-01 | A kind of driving motor cooling structure and electric vehicle |
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| Country | Link |
|---|---|
| CN (1) | CN207968210U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114189095A (en) * | 2021-12-31 | 2022-03-15 | 广州小鹏汽车科技有限公司 | Motor and car |
-
2018
- 2018-03-01 CN CN201820287471.9U patent/CN207968210U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114189095A (en) * | 2021-12-31 | 2022-03-15 | 广州小鹏汽车科技有限公司 | Motor and car |
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