CN109510341A - A kind of stator module and motor in axial magnetic field - Google Patents
A kind of stator module and motor in axial magnetic field Download PDFInfo
- Publication number
- CN109510341A CN109510341A CN201910031465.6A CN201910031465A CN109510341A CN 109510341 A CN109510341 A CN 109510341A CN 201910031465 A CN201910031465 A CN 201910031465A CN 109510341 A CN109510341 A CN 109510341A
- Authority
- CN
- China
- Prior art keywords
- shell
- stator
- cooling
- stator core
- stator module
- 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.)
- Pending
Links
- 238000001816 cooling Methods 0.000 claims abstract description 84
- 239000007788 liquid Substances 0.000 claims abstract description 41
- 239000012530 fluid Substances 0.000 claims abstract description 20
- 108090000565 Capsid Proteins Proteins 0.000 claims description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 239000002826 coolant Substances 0.000 abstract description 16
- 238000000034 method Methods 0.000 abstract description 5
- 230000000875 corresponding effect Effects 0.000 description 8
- 239000000306 component Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003447 ipsilateral effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
-
- 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
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/20—Stationary 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
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2201/00—Specific aspects not provided for in the other groups of this subclass relating to the magnetic circuits
- H02K2201/12—Transversal flux machines
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
The invention discloses a kind of stator module and motor in axial magnetic field, when using stator module of the invention, coolant liquid enters to feed liquor cavity from inlet, and the first cooling space is entered by the first intermediate fluid mouth, then the second cooling space is entered by cooling duct, enter the first cooling space using cooling duct, then enter sap cavity body by the second intermediate fluid mouth, is finally flowed out by liquid outlet.Coolant liquid directly can extend the service life of motor with stator core direct contact heat transfer in the first cooling space, cooling duct and the second cooling space flow process so as to improve the cooling efficiency of motor.
Description
Technical field
The present invention relates to technical field of motors, more specifically to a kind of stator module and motor in axial magnetic field.
Background technique
Existing automobile drive electric motor operating condition is complicated, due to motor design feature itself, can produce in motor operation course
Raw various losses, so as to cause the motor feels hot.In order to improve the working efficiency of motor, it is necessary to give design of electrical motor cooling system
System, cooling system are mainly divided to two kinds, and one is air-cooled；Another kind is liquid cooling.Compared to air-cooled, liquid cooling it is more efficient.It is existing
Liquid cooling system mainly uses the external type of cooling, i.e. coolant liquid and cooled core component mediate contact, and cooling efficiency is low, influences
The service life of motor.
Summary of the invention
In view of this, extending motor the technical problem to be solved by the present invention is to how improve the cooling efficiency of motor
Service life, for this purpose, the present invention provides a kind of stator module and motor in axial magnetic field.
To achieve the above object, the invention provides the following technical scheme:
A kind of stator module, including shell and the stator core that the enclosure interior is arranged in；Wherein, the stator core
The first cooling space is surrounded with the shell, the second cooling space is surrounded in the middle part of the stator core；
Feed liquor cavity and out sap cavity body are provided in the shell；
It is provided with the inlet being connected to the feed liquor cavity on the outer wall of the shell and is connected to the sap cavity body out
Liquid outlet；
It is provided with the first intermediate fluid mouth being connected to the feed liquor cavity in institute's inner walls and connects with the sap cavity body out
The second logical intermediate fluid mouth；And
Multiple cooling ducts are provided on the stator core, the cooling duct is connected to first cooling space and institute
State the second cooling space.
In another embodiment of the invention, separation described first is additionally provided between the shell and the stator core
The spoiler of cooling space.
In another embodiment of the invention, the quantity of the spoiler is two, and two spoilers are arranged symmetrically,
First cooling space is separated into the first cooled region and the second cooled region by the spoiler, wherein described first is cold
But region is connected to by the first intermediate fluid mouth with the feed liquor cavity, and second cooled region passes through the second intermediate fluid mouth and institute
State out the connection of sap cavity body.
In another of the invention embodiment, the stator core by stator pressing plate be enclosed in the shell with it is described fixed
In the space that sub- pressing plate is surrounded.
In another embodiment of the invention, the cooling duct is the through-hole through the stator core.
In another embodiment of the invention, the cooling duct is the groove that the end face of the stator core is arranged in.
In another of the invention embodiment, the quantity of the shell be it is multiple, in multiple shells, previous shell
The liquid outlet is connected to the inlet of latter shell.
In another embodiment of the invention, in two adjacent shells, the inlet of a shell and other one
The liquid outlet of a shell is coaxially arranged.
In another embodiment of the invention, the quantity of the shell is two, respectively procapsid and back casing；It is described
The quantity of stator core is two, respectively front stator iron core and rear stator core.
A kind of motor in axial magnetic field, including stator module as described in any one of the above embodiments.
It can be seen from the above technical scheme that coolant liquid is entered to from inlet when using stator module of the invention
Feed liquor cavity, and the first cooling space is entered by the first intermediate fluid mouth, the second cooling space is then entered by cooling duct,
Enter the first cooling space using cooling duct, then enter sap cavity body by the second intermediate fluid mouth, is finally flowed out by liquid outlet.
Coolant liquid can be directly direct with stator core in the first cooling space, cooling duct and the second cooling space flow process
Contact heat-exchanging extends the service life of motor so as to improve the cooling efficiency of motor.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is a kind of schematic perspective view of stator module provided by the embodiment of the present invention；
Fig. 2 is a kind of schematic cross-sectional view of stator module provided by the embodiment of the present invention；
Fig. 3 is a kind of perspective cross-sectional structural schematic diagram of stator module provided by the embodiment of the present invention；
Fig. 4 is a kind of schematic perspective view of stator core provided by the embodiment of the present invention；
Fig. 5 is the schematic perspective view of another kind stator core provided by the embodiment of the present invention；
Fig. 6 is a kind of configuration schematic diagram of stator module provided by the embodiment of the present invention；
In figure, 100 it is shell, 200 is stator core, 300 is the first cooling space, 400 is the second cooling space, 500
For spoiler, 600 be stator pressing plate, 101 be feed liquor cavity, 102 for go out sap cavity body, 103 be the first intermediate fluid mouth, 104 be the
Two intermediate fluid mouths, 105 be inlet, 106 be liquid outlet, 201 be cooling duct, 301 be the first cooled region, 302 be second
Cooled region；
100-1 is procapsid, 200-1 is front stator iron core, 500-1 is preceding spoiler, 600-1 is front stator pressing plate；
100-2 is back casing, 200-2 is rear stator core, 500-2 is rear spoiler, 600-2 is rear stator pressing plate.
Specific embodiment
Core of the invention is to provide a kind of stator module and motor in axial magnetic field, to improve the cooling efficiency of motor,
Extend the service life of motor.
In addition, embodiments illustrated below does not play any restriction effect to the invention described in the claims content.In addition,
The full content of composition represented by following example is not limited to must as the solution of the invention described in the claims
It needs.
Fig. 1 to Fig. 6, one of embodiment of the present invention stator module, including shell 100 are please referred to, and is arranged in shell
Stator core 200 inside 100；Wherein, stator core 200 and shell 100 surround the first cooling space 300, stator core 200
Middle part surround the second cooling space 400；
Feed liquor cavity 101 and out sap cavity body 102 are provided in shell 100；
It is provided with the inlet 105 being connected to feed liquor cavity 101 on the outer wall of shell 100 and is connected to sap cavity body 102 out
Liquid outlet 106；In multiple shells 100, the liquid outlet 106 of previous shell 100 is connected to the inlet 105 of latter shell 100；
Be provided on 100 inner wall of shell the first intermediate fluid mouth 103 being connected to feed liquor cavity 101 and with sap cavity body 102 out
Second intermediate fluid mouth 104 of connection；And
It is provided with multiple cooling ducts 201 on stator core 200, cooling duct 201 is connected to the first cooling space 300 and the
Two cooling spaces 400.
When using stator module of the invention, coolant liquid enters to feed liquor cavity 101 from inlet 105, and passes through first
Intermediate fluid mouth 103 enters the first cooling space 300, then enters the second cooling space 400 by cooling duct 201, using
Cooling duct 201 enters the first cooling space 300, then enters sap cavity body 102 by the second intermediate fluid mouth 104, finally by going out liquid
Mouth 106 flows out.Coolant liquid energy in 400 flow process of the first cooling space 300, cooling duct 201 and the second cooling space
Enough directly with 200 direct contact heat transfer of stator core, so as to improve the cooling efficiency of motor, extend motor uses the longevity
Life.
The phenomenon of leakage occurs in order to prevent, and in the embodiment of the present invention, stator core 200 is enclosed in by stator pressing plate 600
In the space that shell 100 and stator pressing plate 600 are surrounded.
In order to increase cooling effect, in another embodiment of the invention, also set between shell 100 and stator core 200
It is equipped with the spoiler 500 for separating the first cooling space 300.Made by the way that spoiler 500 is arranged into the first cooling space 300
Coolant liquid is flowed according to scheduled track, to extend the time of contact of coolant liquid Yu stator core 200.Choked flow is set simultaneously
Plate 500 enables coolant liquid to flow through with most of cooling duct 201 on stator core 200, so that on stator core 200
Temperature it is more uniform.
Wherein, in embodiments of the present invention, the quantity of spoiler 500 is two, and two spoilers 500 are arranged symmetrically.Two
First cooling space 300 is divided into two regions, respectively the first cooled region 301 and the second cooling zone by a spoiler 500
Domain 302, wherein the first cooled region 301 is corresponding with feed liquor cavity 101, the second cooled region 302 is opposite with sap cavity body 102 out
It answers.In cooling procedure, the coolant liquid in feed liquor cavity 101 enters the first cooling zone by the first intermediate fluid mouth 103 to coolant liquid
Domain 301, the coolant liquid in the first cooled region 301 pass through cooling duct 201 corresponding with the first cooled region 301, into the
Two cooling spaces 400, the coolant liquid in the second cold-zone space pass through cooling duct 201 corresponding with the second cooled region 302
Into the second cooled region 302, the coolant liquid in the second cooled region 302 passes through the second intermediate fluid mouth 104, into sap cavity body out
102。
It should be noted that stator module includes one or more shells 100 in the embodiment of the present invention, when being multiple
When shell 100, each correspondence of shell 100 is equipped with a stator core 200.All multiple shells 100 can be two shells
100, three shells, 100, four shells 100 etc..100 determination of amount of shell can carry out true according to the size of output power
It is fixed.
Multiple shells 100 are coaxially arranged, it may be assumed that adjacent 100 end face of shell fits with end face.
In two adjacent shells 100, the liquid outlet 106 of a shell 100 and the inlet 105 of another shell 100
Connection.It can be attached by peripheral hardware pipeline, alternatively, the inlet 105 of a shell 100 and another shell 100
Liquid outlet 106 is coaxially arranged.That is, liquid outlet 106 and inlet 105 are arranged at end face, when two shells 100 dock, liquid out
Mouth 106 and inlet 105 are voluntarily connected.
By taking two shells 100 as an example, the liquid outlet 106 of one of shell 100 is arranged on end face, another shell
100 inlet 105 is arranged on end face, when two shells 100 dock, the liquid outlet 106 and the latter of previous shell 100
The inlet 105 of shell 100 is conducted.
In multiple shells 100, the inlet 105 positioned at the shell 100 of one end and the shell 100 positioned at the other end go out
Liquid mouth 106 can be located on the end face of corresponding housing 100, can also be located on the circumferential surface of corresponding housing 100.Preferably, for side
The installation for continuing components after an action of the bowels, in the embodiment of the present invention, positioned at the inlet 105 of the shell 100 of one end and positioned at the other end
The liquid outlet 106 of shell 100 is arranged on the circumferential surface of shell 100, further, positioned at the inlet of the shell 100 of one end
105 and the shell 100 positioned at the other end the ipsilateral setting of liquid outlet 106.
In embodiments of the present invention, the effect of cooling duct 201 is the first cooling space 300 of connection and the second cooling space
400 path, meanwhile, the coolant liquid of cooling duct 201 is directly contacted with stator core 200, directly generates stator core 200
Heat take away.Wherein, cooling duct 201 is the through-hole through stator core 200, and the section of the through-hole is round, ellipse,
Rectangle etc..Or cooling duct 201 is that the groove of the end face of stator core 200 is arranged in surround jointly with shell 100.It can be with
Understand are as follows: be arranged on the end face of stator core 200 it is fluted, and corresponding shell 100 be planar structure；The cooling duct 201
It is surrounded jointly by the surface of groove and shell 100；Or fluted, the surface of corresponding shell 100 is set on stator core 200
It is arranged fluted, two grooves dock to form cooling duct 201.
In another embodiment of the invention, the quantity of shell 100 is two, respectively procapsid 100-1 and back casing
100-2；The quantity of stator core 200 is two, respectively front stator iron core 200-1 and rear stator core 200-2.Wherein, preceding
The structure of shell 100-1 and back casing 100-2 please refer to the above various embodiments.
The phenomenon of leakage occurs in order to prevent, and in the embodiment of the present invention, front stator iron core 200-1 passes through front stator pressing plate 600-
1 is enclosed in the space that procapsid 100-1 and front stator pressing plate 600-1 are surrounded.
Spoiler 500-1 before being provided between procapsid 100-1 and front stator iron core 200-1.
The phenomenon of leakage occurs in order to prevent, and in the embodiment of the present invention, rear stator core 200-2 passes through rear stator pressing plate 600-
2 are enclosed in the space that back casing 100-2 and rear stator pressing plate 600-2 are surrounded.
Rear spoiler 500-2 is provided between back casing 100-2 and rear stator core 200-2.
The invention also discloses a kind of motor in axial magnetic field, the stator module including such as any of the above-described.Due to above-mentioned fixed
Sub-component has the above beneficial effect, and the motor in axial magnetic field including said stator component also has corresponding effect, herein not
It repeats again.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (10)
1. a kind of stator module, which is characterized in that including shell and the stator core that the enclosure interior is arranged in；Wherein, institute
It states stator core and the shell surrounds the first cooling space, the second cooling space is surrounded in the middle part of the stator core；
Feed liquor cavity and out sap cavity body are provided in the shell；
It is provided with the inlet being connected to the feed liquor cavity on the outer wall of the shell and goes out with what the sap cavity body out was connected to
Liquid mouth；
Be provided in institute's inner walls the first intermediate fluid mouth for being connected to the feed liquor cavity and with it is described go out sap cavity body be connected to
Second intermediate fluid mouth；And
It is provided with multiple cooling ducts on the stator core, the cooling duct is connected to first cooling space and described the
Two cooling spaces.
2. stator module as described in claim 1, which is characterized in that be additionally provided between the shell and the stator core
Separate the spoiler of first cooling space.
3. stator module as claimed in claim 2, which is characterized in that the quantity of the spoiler is two, two resistances
Flowing plate is arranged symmetrically, and first cooling space is separated into the first cooled region and the second cooled region by the spoiler,
In, first cooled region is connected to by the first intermediate fluid mouth with the feed liquor cavity, and second cooled region passes through the
Two intermediate fluid mouths are connected to the sap cavity body out.
4. stator module as described in claim 1, which is characterized in that the stator core is enclosed in described by stator pressing plate
In the space that shell and the stator pressing plate are surrounded.
5. stator module as described in claim 1, which is characterized in that the cooling duct is through the logical of the stator core
Hole.
6. stator module as described in claim 1, which is characterized in that the cooling duct is that the stator core is arranged in
The groove of end face.
7. such as stator module described in any one of claims 1 to 6, which is characterized in that the quantity of the shell be it is multiple, it is more
In a shell, the liquid outlet of previous shell is connected to the inlet of latter shell.
8. stator module as claimed in claim 7, which is characterized in that in two adjacent shells, shell into
Liquid mouth and the liquid outlet of another shell are coaxially arranged.
9. stator module as claimed in claim 8, which is characterized in that the quantity of the shell is two, respectively procapsid
And back casing；The quantity of the stator core is two, respectively front stator iron core and rear stator core.
10. a kind of motor in axial magnetic field, which is characterized in that including stator module as claimed in any one of claims 1-9 wherein.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910031465.6A CN109510341A (en) | 2019-01-14 | 2019-01-14 | A kind of stator module and motor in axial magnetic field |
| PCT/CN2019/129106 WO2020147551A1 (en) | 2019-01-14 | 2019-12-27 | Cooling system, stator assembly, and axial magnetic field motor |
| EP19910377.1A EP3913777A4 (en) | 2019-01-14 | 2019-12-27 | Cooling system, stator assembly, and axial magnetic field motor |
| US17/422,424 US11942828B2 (en) | 2019-01-14 | 2019-12-27 | Cooling system, stator assembly, and axial magnetic field motor |
| US18/400,968 US20240235298A9 (en) | 2019-01-14 | 2023-12-29 | Cooling system, stator assembly, and axial magnetic field motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910031465.6A CN109510341A (en) | 2019-01-14 | 2019-01-14 | A kind of stator module and motor in axial magnetic field |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109510341A true CN109510341A (en) | 2019-03-22 |
Family
ID=65757763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910031465.6A Pending CN109510341A (en) | 2019-01-14 | 2019-01-14 | A kind of stator module and motor in axial magnetic field |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109510341A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020147551A1 (en) * | 2019-01-14 | 2020-07-23 | 上海盘毂动力科技股份有限公司 | Cooling system, stator assembly, and axial magnetic field motor |
| CN112671125A (en) * | 2020-12-30 | 2021-04-16 | 上海盘毂动力科技股份有限公司 | Disc type motor cooling structure and disc type motor |
| FR3114456A1 (en) * | 2020-09-24 | 2022-03-25 | Renault S.A.S | Method for manufacturing an axial flux electric machine stator |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006033965A (en) * | 2004-07-14 | 2006-02-02 | Nissan Motor Co Ltd | Stator cooling structure of disk-type dynamo-electric machine |
| JP2010028958A (en) * | 2008-07-17 | 2010-02-04 | Toyota Motor Corp | Rotating electrical machine and cooling system of rotating electrical machine |
| CN108551235A (en) * | 2018-06-22 | 2018-09-18 | 上海适达动力科技股份有限公司 | Motor and its cooling system |
| CN209119910U (en) * | 2019-01-14 | 2019-07-16 | 上海盘毂动力科技股份有限公司 | A kind of stator module and motor in axial magnetic field |
-
2019
- 2019-01-14 CN CN201910031465.6A patent/CN109510341A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006033965A (en) * | 2004-07-14 | 2006-02-02 | Nissan Motor Co Ltd | Stator cooling structure of disk-type dynamo-electric machine |
| JP2010028958A (en) * | 2008-07-17 | 2010-02-04 | Toyota Motor Corp | Rotating electrical machine and cooling system of rotating electrical machine |
| CN108551235A (en) * | 2018-06-22 | 2018-09-18 | 上海适达动力科技股份有限公司 | Motor and its cooling system |
| CN209119910U (en) * | 2019-01-14 | 2019-07-16 | 上海盘毂动力科技股份有限公司 | A kind of stator module and motor in axial magnetic field |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020147551A1 (en) * | 2019-01-14 | 2020-07-23 | 上海盘毂动力科技股份有限公司 | Cooling system, stator assembly, and axial magnetic field motor |
| US11942828B2 (en) | 2019-01-14 | 2024-03-26 | Shanghai Pangood Power Technology | Cooling system, stator assembly, and axial magnetic field motor |
| FR3114456A1 (en) * | 2020-09-24 | 2022-03-25 | Renault S.A.S | Method for manufacturing an axial flux electric machine stator |
| WO2022063469A1 (en) * | 2020-09-24 | 2022-03-31 | Renault S.A.S | Method for manufacturing a stator of an axial flow electric machine |
| CN112671125A (en) * | 2020-12-30 | 2021-04-16 | 上海盘毂动力科技股份有限公司 | Disc type motor cooling structure and disc type motor |
| CN112671125B (en) * | 2020-12-30 | 2023-07-28 | 上海盘毂动力科技股份有限公司 | Disc motor cooling structure and disc motor |
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