CN206775255U - Stator module, Stator and electrical machine - Google Patents
Stator module, Stator and electrical machine Download PDFInfo
- Publication number
- CN206775255U CN206775255U CN201720098281.8U CN201720098281U CN206775255U CN 206775255 U CN206775255 U CN 206775255U CN 201720098281 U CN201720098281 U CN 201720098281U CN 206775255 U CN206775255 U CN 206775255U
- Authority
- CN
- China
- Prior art keywords
- stator
- cooling
- motor
- iron core
- casing
- Prior art date
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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
Abstract
The utility model discloses a kind of stator module, Stator and electrical machine.The stator module includes iron core, the stator winding and cooling structure of stator being embedded on the iron core, the stator winding has the End winding for the end for stretching out the iron core, the cooling structure of stator includes the cooling line for being arranged at the end of the iron core, and cooling agent passes through from the cooling line.In this cooling structure of stator, the temperature rise of End winding can be cooled down largely by cooling line, and the resin structure that remainder is filled by envelope carries out heat transfer transmission so that the temperature rise of End winding is very significantly improved.
Description
Technical field
The utility model belongs to technical field of motors, in particulars relate to determining for a kind of stator module including the stator module
Son and the motor including the stator.
Background technology
Driving motor for electric automobile strongly pursues high power/torque density and miniaturization so that motor is designing
When the electromagnetic load chosen and thermic load be significantly higher than common electric machine, the loss and caloric value for causing motor unit volume significantly increase
Greatly, the temperature rise of motor is higher, especially Stator End Winding.It is air between End winding and casing, thermal resistance is larger, thus holds
The temperature of portion's winding is high compared with the winding temperature inside stator core.
In the existing stator type of cooling, for the iron core of stator, it can be cooled down using cooling water channel built in casing；It is right
, can by pouring into a mould the epoxy resin of high thermal conductivity coefficient, embedding be radiated together by it in End winding.High thermal conductivity coefficient
Epoxy resin cost is very high, and limited to improving radiating effect.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of stator module of motor, can improve stator well
The radiating of End winding.
A kind of stator module for the motor that the utility model is related to, the stator module include iron core, are embedded in the iron
Stator winding and cooling structure of stator on core, the stator winding have the End winding for the end for stretching out the iron core,
The cooling structure of stator includes the cooling line for being arranged at the end of the iron core, and cooling agent passes through from the cooling line
Cross.
Alternatively, in said stator component, the cooling line is in the iron core either end on the whole
Annulus line.
Alternatively, in said stator component, the cooling line abuts the End winding and is arranged at the end
The radially outward side of portion's winding, radially-inwardly side or both sides radially so that the heat of the most End winding leads to
Cross the cooling line cooling.
Alternatively, in said stator component, the End winding and the cooling line jointly in a resin structure,
So that the heat of the End winding of a part is cooled down by the resin structure.
Alternatively, in said stator component, the resin structure is by the End winding by infusion epoxy resin
The enclosed construction fixed together with the cooling line.
In this cooling structure of stator, the temperature rise of End winding can be cooled down largely by cooling line, remaining
Part carries out heat transfer transmission by resin structure so that the temperature rise of End winding is very significantly improved.End winding and casing
Between air is not present, radiating effect is notable.
Other side of the present utility model is related to a kind of stator of motor, and the stator is included described in any of the above-described kind
Stator module, wherein the resin structure and the iron core are placed in casing, wherein the cooling duct of spiral built in the casing,
The iron core coordinates with the casing for hot jacket.
Alternatively, in the stator of above-mentioned motor, the cooling duct is water channel.
Alternatively, in the stator of above-mentioned motor, the cooling line has the import for connecting the casing spiral channel
And outlet.
Another aspect of the present utility model is related to a kind of motor, and its stator is any one above-mentioned stator.
Alternatively, the motor is the motor for electric automobile.
Using the motor of said stator cooling structure, because the temperature rise of End winding is very significantly improved, one can be entered
Step improves the thermic load selected value of motor, and then improves power/torque density of motor.
By the detailed description below with reference to accompanying drawing, other aspect and feature of the present utility model become obvious.But should
When knowing, the accompanying drawing is only the purpose design explained, not as the restriction of the scope of the utility model, because its
It should refer to appended claims.It should also be noted that accompanying drawing is merely intended to conceptually illustrate structure and flow described herein,
Unless otherwise noted, it is not necessary to scale accompanying drawing.
Brief description of the drawings
The detailed description of detailed description below is referred to reference to accompanying drawing, the utility model will be more fully appreciated, it is attached
Same reference numbers refer to element same in view all the time in figure.Wherein：
Fig. 1 is a kind of structural representation of the embodiment for the motor and its cooling structure of stator that the utility model is related to.
Embodiment
To help those skilled in the art definitely to understand the theme of the requires of the utility model protection, with reference to
Specific embodiment of the present utility model is described in detail in accompanying drawing.
Referring to Fig. 1, for the motor and its a kind of embodiment of the cooling structure of stator of stator module that the utility model is related to
Structural representation.The cooling structure include cylindrical iron core 1 as stator body and the stator that is embedded on iron core 1 around
Group（Blocked, thus be not shown by iron core）.There is groove in iron core 1, stator winding can be embedded in the groove and wind iron core 1.Such as
Shown in figure, iron core 1 shares two groups of stator winding.Stator winding have from the end that upper two ends in the axial direction of iron core 1 are stretched out around
Group 2.Cooling line 3 is arranged with each End winding 2, the cooling line 3 allows cooling agent to pass therethrough, Er Qieyin
Heat caused by End winding 2 can be taken away for adjacent end winding 2.Cooling agent is chosen as cooling water or water and ethylene glycol
Coolant.Each End winding 2 and its cooling line 3 are in through resin structure made of embedding 4.
Cooling line 3 is on the whole the annular shape in the either end of stator core 1, therefore the resin knot of embedding
Structure 4 is toroidal container.For cooling structure of stator as shown in Figure 1, two groups of stator winding are in same one end of stator core 1
End winding 2 in portion is respectively provided with cooling line 3 and in the toroidal container of the resin structure 4 of embedding.Cooling line 3 supports
Connect End winding 2 to set, the radially outward side of End winding 2 can be arranged on（As shown in the figure）, or it is arranged on End winding 2
Radially-inwardly side.Certain those skilled in the art can be that cooling line 3 can also be arranged on End winding 2 with conceivable
Radially opposite sides on.Because it is to press close to set, therefore the major part of caused heat can be by cooling line 3 on End winding 2
In cooling agent take away.
End winding 2 and cooling line 3 are fixed together by the resin structure 4 of embedding by priming by vacuum epoxy resin.
It may occur to persons skilled in the art that it can also use the synthetic resin of other high thermal conductivity coefficients or enhanced resinous material
Pour into a mould simultaneously embedding.The resin structure 4 of the embedding has and heat caused by remaining End winding 2 can be carried out into heat transfer
Effect, be favorably improved the radiating of End winding 2.
Fig. 1 is returned to, is casing 5 outside stator, spiral cooling channel built in the casing 5, the cooling duct is optionally cooling
Water channel, casing 5 use screw type one body swimming cold shell.Iron core 1 is connected with casing 5 by hot jacket.Cooling line 3 is distinguished
There is the inlet and outlet stretched out outside casing 5（It is not shown）.In one end of stator, end cap 6 is connected to one by bolt and casing 5
Rise.
Motor can be the motor for electric automobile.When motor works, the major part of the heat of End winding 2
First being cooled down by cooling line 3, remainder carries out heat transfer transmission by the resin structure 4 of the embedding with epoxy resin,
So that the temperature rise of End winding 2 is very significantly improved, and then improve power/torque density of motor.
Although being illustrated in detail in and having described specific embodiment of the utility model to illustrate principle of the present utility model,
It will be appreciated that the utility model can be with embodied in other without departing from such principle.
Claims (13)
1. a kind of stator module of motor, the stator module includes iron core（1）, be embedded in the iron core（1）On stator around
Group and cooling structure of stator, the stator winding, which has, stretches out the iron core（1）The End winding of end（2）, it is characterized in that：
The cooling structure of stator includes being arranged at the iron core（1）End cooling line（3）, cooling agent is from the cooling tube
Road（3）Middle process.
2. stator module according to claim 1, it is characterized in that：The cooling line（3）It is positioned at the iron on the whole
Core（1）Annulus line in either end.
3. stator module according to claim 1 or 2, it is characterized in that：The cooling line（3）Abut the End winding
（2）And it is arranged at the End winding（2）Radially outward side, radially-inwardly side or both sides radially so that it is most of
The End winding（2）Heat pass through the cooling line（3）Cooling.
4. stator module according to claim 1 or 2, it is characterized in that：The End winding（2）With the cooling line
（3）Jointly in a resin structure（4）In so that a part of End winding（2）Heat pass through the resin structure（4）
Cooling.
5. stator module according to claim 4, it is characterized in that：The resin structure（4）To pass through infusion epoxy resin
By the End winding（2）With the cooling line（3）Fixed enclosed construction together.
6. a kind of stator of motor, it is characterized in that：The stator includes casing（5）With according to any one of claim 1-3 institutes
The stator module stated, wherein the iron core（1）It is placed in the casing（5）In, wherein the casing（5）The cooling of built-in spiral is led to
Road, the iron core（1）With the casing（5）Coordinate for hot jacket.
7. the stator of motor according to claim 6, it is characterized in that：The cooling duct is water channel.
8. the stator of motor according to claim 6, it is characterized in that：The cooling line（3）With the connection casing
（5）Cooling duct inlet and outlet.
9. a kind of stator of motor, it is characterized in that：The stator includes casing（5）With according to any one of claim 4-5 institutes
The stator module stated, wherein the resin structure（4）With the iron core（1）It is placed in the casing（5）In, wherein the casing
（5）The cooling duct of built-in spiral, the iron core（1）With the casing（5）Coordinate for hot jacket.
10. the stator of motor according to claim 9, it is characterized in that：The cooling duct is water channel.
11. the stator of motor according to claim 9, it is characterized in that：The cooling line（3）With the connection casing
（5）Cooling duct inlet and outlet.
A kind of 12. motor, it is characterized in that the stator of the motor is the stator according to any one of claim 6-11.
13. motor according to claim 12, it is characterized in that：The motor is the motor for electric automobile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720098281.8U CN206775255U (en) | 2017-01-26 | 2017-01-26 | Stator module, Stator and electrical machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720098281.8U CN206775255U (en) | 2017-01-26 | 2017-01-26 | Stator module, Stator and electrical machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206775255U true CN206775255U (en) | 2017-12-19 |
Family
ID=60648711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720098281.8U Active CN206775255U (en) | 2017-01-26 | 2017-01-26 | Stator module, Stator and electrical machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206775255U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108270301A (en) * | 2018-01-25 | 2018-07-10 | 华中科技大学 | A kind of stator structure and its motor with winding overhang cooling structure |
| CN108768009A (en) * | 2018-07-27 | 2018-11-06 | 深圳市泉胜新技术开发有限公司 | A kind of automobile primary drives the stator core fixed structure of motor |
| CN109301962A (en) * | 2018-12-12 | 2019-02-01 | 中车株洲电机有限公司 | A kind of winding overhang encapsulating liquid feeding cool electric machine |
| CN109980804A (en) * | 2017-12-28 | 2019-07-05 | 上海大郡动力控制技术有限公司 | The cooling structure of stator of fluid-cooled electrical machine |
| CN110858744A (en) * | 2018-08-23 | 2020-03-03 | 北京锋锐新源电驱动科技有限公司 | In-wheel motor with strengthen heat dispersion |
| EP3716448A1 (en) * | 2019-03-25 | 2020-09-30 | Hamilton Sundstrand Corporation | Winding end turn cooling |
| CN112713678A (en) * | 2020-12-21 | 2021-04-27 | 中车永济电机有限公司 | Internal and external alternating type totally-enclosed water cooling structure applied to permanent magnet traction motor |
| CN112737197A (en) * | 2020-12-30 | 2021-04-30 | 东南大学 | Motor end cooling water channel and manufacturing method thereof |
| CN112821685A (en) * | 2021-02-23 | 2021-05-18 | 江西江特电机有限公司 | Design method for saving axial space of motor |
-
2017
- 2017-01-26 CN CN201720098281.8U patent/CN206775255U/en active Active
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109980804A (en) * | 2017-12-28 | 2019-07-05 | 上海大郡动力控制技术有限公司 | The cooling structure of stator of fluid-cooled electrical machine |
| CN108270301A (en) * | 2018-01-25 | 2018-07-10 | 华中科技大学 | A kind of stator structure and its motor with winding overhang cooling structure |
| CN108270301B (en) * | 2018-01-25 | 2020-06-26 | 华中科技大学 | Stator structure with winding end cooling structure and motor thereof |
| CN108768009A (en) * | 2018-07-27 | 2018-11-06 | 深圳市泉胜新技术开发有限公司 | A kind of automobile primary drives the stator core fixed structure of motor |
| CN110858744A (en) * | 2018-08-23 | 2020-03-03 | 北京锋锐新源电驱动科技有限公司 | In-wheel motor with strengthen heat dispersion |
| CN109301962A (en) * | 2018-12-12 | 2019-02-01 | 中车株洲电机有限公司 | A kind of winding overhang encapsulating liquid feeding cool electric machine |
| EP3716448A1 (en) * | 2019-03-25 | 2020-09-30 | Hamilton Sundstrand Corporation | Winding end turn cooling |
| CN112713678A (en) * | 2020-12-21 | 2021-04-27 | 中车永济电机有限公司 | Internal and external alternating type totally-enclosed water cooling structure applied to permanent magnet traction motor |
| CN112713678B (en) * | 2020-12-21 | 2022-08-05 | 中车永济电机有限公司 | Internal and external alternating type totally-enclosed water cooling structure applied to permanent magnet traction motor |
| CN112737197A (en) * | 2020-12-30 | 2021-04-30 | 东南大学 | Motor end cooling water channel and manufacturing method thereof |
| CN112821685A (en) * | 2021-02-23 | 2021-05-18 | 江西江特电机有限公司 | Design method for saving axial space of motor |
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