CN106451844B - A kind of motor stator cooling structure and motor - Google Patents
A kind of motor stator cooling structure and motor Download PDFInfo
- Publication number
- CN106451844B CN106451844B CN201610963816.3A CN201610963816A CN106451844B CN 106451844 B CN106451844 B CN 106451844B CN 201610963816 A CN201610963816 A CN 201610963816A CN 106451844 B CN106451844 B CN 106451844B
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- China
- Prior art keywords
- water pipe
- cooling water
- stator
- stator core
- main cooling
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- 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
The present invention relates to a kind of motor stator cooling structure and motors, it includes stator core, main cooling water pipe, end communication apparatus and inlet and outlet pipes, the stator core is overrided to form by stator punching, stator core is equipped with pressing ring in axial ends, cooling water pipe mounting hole is equipped on stator punching and pressing ring, the main cooling water pipe is installed in the cooling water pipe mounting hole of stator core, the both ends of the axially extended stator core of the main cooling water pipe, more than one main cooling water pipe forms a cooling circuit by end communication apparatus in core ends, inlet and outlet pipes are equipped at the both ends of each cooling circuit.Since main cooling water pipe is to the greatest extent close to machine winding, and machine winding effectively improves the radiating efficiency of motor as the maximum pyrotoxin of motor, cooling water pore is completed in stator punching punching, large area is avoided to process water pipe hole by the way of processing, processing and manufacturing is simple.
Description
Technical field
The present invention relates to motor fields, and in particular to a kind of motor stator cooling structure and motor.
Background technique
The large-size machine type of cooling has that air-cooled, water cooling, air water cooling, fluorine are cold etc., to reduce motor outer dimension, motor at present
It is most in industry to use integrated higher, lower-cost water-cooling pattern.In the prior art, the water cooling knot that large-size machine uses
Structure, predominantly water jacket stand structure, the structure are divided into inside and outside base, and cooling trough, inside and outside machine are equipped in a wherein base
Seat interference fit seal, the deficiency which is primarily present: 1) structure is complicated, and manufacture difficulty is big, especially the sink processing of base
Difficulty is big, and the period is long；2) be unable to satisfy requirement for anticorrosion, no matter fresh water or seawater it is cooling, sink internal corrosion is tight when longtime running
Weight；3) sink is set in base, and base weight is obviously increased compared with other motors, and cooling medium is remote with a distance from fever winding, cooling
It is ineffective.
Summary of the invention
It is an object of the invention to overcome disadvantages described above, providing one kind, the processing is simple, the motor stator of good cooling results
Cooling structure and motor.
The technical scheme is that a kind of motor stator cooling structure comprising stator core, main cooling water pipe, end
Portion's communication apparatus and inlet and outlet pipes, the stator core are overrided to form by stator punching, and stator core is equipped with pressure in axial ends
Circle, is equipped with cooling water pipe mounting hole on stator punching and pressing ring, and the main cooling water pipe is installed on the cooling water of stator core
In pipe mounting hole, the both ends of the axially extended stator core of the main cooling water pipe, more than one main cooling water pipe is in iron core
End forms a cooling circuit by end communication apparatus, is equipped with inlet and outlet pipes at the both ends of each cooling circuit.
In order to guarantee the leakproofness of cooling circuit, the end communication apparatus includes tube sheet, gasket and sink, the pipe
The hole to match with main cooling water pipe outside diameter is provided on plate, the shape of one end and tube sheet that sink is contacted with tube sheet matches, water
Slot at the hole of tube sheet be equipped with connectivity slot, the main cooling water pipe be it is U-shaped, U-shaped main cooling water pipe from stator core one end be inserted into
Cooling water pipe mounting hole, adjacent main cooling water pipe stator core the other end and tube sheet hole connect, the outside of tube sheet with
Sink is bolted to connection, and gasket is equipped on the contact surface of tube sheet and sink.
In order to guarantee the leakproofness of cooling circuit, the main cooling water pipe be it is U-shaped, the end communication apparatus is U-shaped water
Pipe, the inner end diameter of U-shaped water pipe and the outer diameter of main cooling water pipe match, and adjacent main cooling water pipe is in the end of stator core
Pass through welded connecting with U-shaped water pipe.
Preferably, the main cooling water pipe is mounted in the cooling water pipe mounting hole of stator core by way of rising and connecing.
Preferably, the material of the main cooling water pipe, end communication apparatus and inlet and outlet pipes is stainless steel, copper, copper-nickel alloy, titanium
The materials such as alloy it is any.
Preferably, it is 2~6 that the stator core, which is equipped with the number of cooling circuit, and each cooling circuit is equipped with 4~12
Main cooling water pipe.
Preferably, it is 2 that the stator core, which is equipped with the number of cooling circuit, and each cooling circuit is equipped with 6 main coolings
Water pipe.
A kind of motor comprising motor stator and rotor, the cooling structure of stator are above-mentioned cooling structure of stator.
The method have the benefit that since main cooling water pipe is to the greatest extent close to machine winding, and motor around
Group is used as the maximum pyrotoxin of motor, effectively improves the radiating efficiency of motor, main cooling water pipe is placed in inside stator core, end
Communication apparatus is placed in stator end, does not occupy motor space additionally, and cooling water pore is completed in stator punching punching, avoids big
Area processes water pipe hole by the way of processing, and processing and manufacturing is simple.
Detailed description of the invention
Fig. 1 is 1 structural schematic diagram of the embodiment of the present invention；
Fig. 2 is stator punching schematic diagram of the present invention；
Fig. 3 is 2 structural schematic diagram of the embodiment of the present invention；
Fig. 4 is the end communication apparatus structural schematic diagram of invention embodiment 2；
Fig. 5 is the tube plate structure diagram of Fig. 4；
Fig. 6 is the sink structure schematic diagram of Fig. 4；
Fig. 7 is the gasket structure schematic diagram of Fig. 4；
Specific embodiment
Below with reference to attached drawing and specific implementation case, the invention will be further described.
Embodiment 1: referring to attached drawing 1, attached drawing 2, a kind of motor stator cooling structure comprising stator core 1, main cooling water
Pipe 2, U-shaped water pipe 3, water inlet pipe 4 and outlet pipe 5, the stator core 1 are overrided to form by stator punching 1-1, and stator core 1 exists
Axial ends is equipped with pressing ring, and cooling water pipe mounting hole 1-2 is equipped on stator punching 1-1 and pressing ring, and the main cooling water pipe 2 is
U-shaped, the main cooling water pipe 2 is installed in the cooling water pipe mounting hole 1-2 of stator core 1 by way of rising and connecing, the master
The both ends of the axially extended stator core 1 of cooling water pipe 2, the outer diameter of the inner end diameter and main cooling water pipe 2 of U-shaped water pipe 3 match,
Adjacent main cooling water pipe 2 forms cooling circuit, the cooling by being welded to connect in the end of stator core and U-shaped water pipe 3
The number in circuit is 2, and 2 numbers of main cooling water pipe of each cooling circuit are 4, is equipped with water inlet at the both ends of cooling circuit
The material of pipe 4 and outlet pipe 5, the main cooling water pipe 2 and U-shaped water pipe 3 is copper-nickel alloy.
Embodiment 2: referring to 2~attached drawing of attached drawing 7, a kind of motor stator cooling structure comprising stator core 1, main cooling
Water pipe 2, end communication apparatus 6, water inlet pipe 4 and outlet pipe 5, the stator core 1 are overrided to form by stator punching 1-1, stator
Iron core 1 is equipped with pressing ring in axial ends, and cooling water pipe mounting hole 1-2, the main cooling are equipped on stator punching 1-1 and pressing ring
Water pipe 2 be it is U-shaped, the main cooling water pipe 2 is installed in the cooling water pipe mounting hole 1-2 of stator core 1 by way of rising and connecing,
The both ends of the axially extended stator core 1 of the main cooling water pipe 2, the end communication apparatus 6 include tube sheet 6-1, gasket 6-3
With sink 6-2, the hole to match with 2 outer diameter of main cooling water pipe is provided on the tube sheet 6-1, sink 6-2 is contacted with tube sheet 6-1
One end and the shape of tube sheet 6-1 match, and sink 6-2 is equipped with connectivity slot, adjacent main cooling water pipe at the hole of tube sheet 6-1
2 connect in the other end of stator core 1 with the hole of tube sheet 6-1, and outside and the sink 6-2 of tube sheet 6-1 is bolted to connection,
Gasket 6-3 is equipped on the contact surface of tube sheet 6-1 and sink 6-2, the main cooling water pipe 2 passes through 6 shape of end communication apparatus
At cooling circuit, the number of the cooling circuit is 2, and 2 numbers of main cooling water pipe of each cooling circuit are 4, cold
But the both ends in circuit are equipped with water inlet pipe 4 and outlet pipe 5, and the material of the main cooling water pipe 2, tube sheet 6-1 and sink 6-2 is white
Copper.
Claims (8)
1. a kind of motor stator cooling structure, which is characterized in that it includes stator core, main cooling water pipe, end communication apparatus
And inlet and outlet pipes, the stator core are overrided to form by stator punching, stator core is equipped with pressing ring in axial ends, rushes in stator
Piece and pressing ring are equipped with cooling water pipe mounting hole, and the main cooling water pipe is installed in the cooling water pipe mounting hole of stator core,
The both ends of the axially extended stator core of the main cooling water pipe, more than one main cooling water pipe pass through end in core ends
Communication apparatus forms a cooling circuit, is equipped with inlet and outlet pipes, the end communication apparatus packet at the both ends of each cooling circuit
Tube sheet, gasket and sink are included, the hole to match with main cooling water pipe outside diameter is provided on the tube sheet, sink is contacted with tube sheet
The shape of one end and tube sheet matches, sink at the hole of tube sheet be equipped with connectivity slot, the main cooling water pipe be it is U-shaped, U-shaped master is cold
But water pipe is inserted into cooling water pipe mounting hole, the other end and pipe of the adjacent main cooling water pipe in stator core from stator core one end
The hole of plate connects, and outside and the sink of tube sheet are bolted to connection, and gasket is equipped on the contact surface of tube sheet and sink.
2. a kind of motor stator cooling structure as described in claim 1, which is characterized in that the main cooling water pipe is connect by rising
Mode be mounted in the cooling water pipe mounting hole of stator core.
3. a kind of motor stator cooling structure as described in claim 1, which is characterized in that the main cooling water pipe, end connect
The material of exchange device and inlet and outlet pipes be stainless steel, copper, copper-nickel alloy, titanium alloy material it is any.
4. a kind of motor stator cooling structure as claimed in claim 2, which is characterized in that the main cooling water pipe, end connect
The material of exchange device and inlet and outlet pipes be stainless steel, copper, copper-nickel alloy, titanium alloy material it is any.
5. a kind of motor stator cooling structure as described in claim 1, which is characterized in that the stator core is equipped with and cools back
The number on road is 2~6, and each cooling circuit is equipped with 4~12 main cooling water pipes.
6. a kind of motor stator cooling structure as claimed in claim 4, which is characterized in that the stator core is equipped with and cools back
The number on road is 2~6, and each cooling circuit is equipped with 4~12 main cooling water pipes.
7. a kind of motor stator cooling structure as described in claim 1, which is characterized in that the stator core is equipped with and cools back
The number on road is 2, and each cooling circuit is equipped with 6 main cooling water pipes.
8. a kind of motor comprising motor stator and rotor, which is characterized in that the cooling structure of stator is claim 1~7
Any one of described in cooling structure of stator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610963816.3A CN106451844B (en) | 2016-10-28 | 2016-10-28 | A kind of motor stator cooling structure and motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610963816.3A CN106451844B (en) | 2016-10-28 | 2016-10-28 | A kind of motor stator cooling structure and motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106451844A CN106451844A (en) | 2017-02-22 |
| CN106451844B true CN106451844B (en) | 2019-04-30 |
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ID=58179844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610963816.3A Active CN106451844B (en) | 2016-10-28 | 2016-10-28 | A kind of motor stator cooling structure and motor |
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Families Citing this family (4)
| 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 |
| CN112600320A (en) * | 2020-11-27 | 2021-04-02 | 超音速智能技术(杭州)有限公司 | Stator punching sheet of small motor |
| CN114362393A (en) * | 2021-12-03 | 2022-04-15 | 中车永济电机有限公司 | Stator core with axial ventilation holes provided with spacing torsion bands |
| CN114448151A (en) * | 2021-12-23 | 2022-05-06 | 湖南聚源电驱智能装备有限公司 | Cooling system of new energy automobile hub motor |
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| JP2006502685A (en) * | 2002-07-18 | 2006-01-19 | ティーエム４・インコーポレーテッド | Liquid cooling device for electric machine |
| CN1745507A (en) * | 2003-02-14 | 2006-03-08 | 丰田自动车株式会社 | Stator coil module and manufacture method thereof and electric rotating machine |
| CN102931739A (en) * | 2012-11-23 | 2013-02-13 | 上海中科深江电动车辆有限公司 | Motor stator cooling structure |
| CN204030861U (en) * | 2014-07-25 | 2014-12-17 | 苏州汇川技术有限公司 | Electromotor cooling system and the motor with this cooling system |
| CN204271766U (en) * | 2014-11-12 | 2015-04-15 | 广州市昊志机电股份有限公司 | There is the stator core of cooling structure |
| CN204349671U (en) * | 2014-12-24 | 2015-05-20 | 宁波菲仕电机技术有限公司 | A kind of motor for pure electric vehicle casing structure with axial cooling water pipe |
| CN206149042U (en) * | 2016-10-28 | 2017-05-03 | 湘潭电机股份有限公司 | Motor stator cooling structure and motor |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2182612A1 (en) * | 2008-10-28 | 2010-05-05 | Siemens Aktiengesellschaft | Arrangement for cooling of an electrical machine |
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2016
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006502685A (en) * | 2002-07-18 | 2006-01-19 | ティーエム４・インコーポレーテッド | Liquid cooling device for electric machine |
| CN1745507A (en) * | 2003-02-14 | 2006-03-08 | 丰田自动车株式会社 | Stator coil module and manufacture method thereof and electric rotating machine |
| CN102931739A (en) * | 2012-11-23 | 2013-02-13 | 上海中科深江电动车辆有限公司 | Motor stator cooling structure |
| CN204030861U (en) * | 2014-07-25 | 2014-12-17 | 苏州汇川技术有限公司 | Electromotor cooling system and the motor with this cooling system |
| CN204271766U (en) * | 2014-11-12 | 2015-04-15 | 广州市昊志机电股份有限公司 | There is the stator core of cooling structure |
| CN204349671U (en) * | 2014-12-24 | 2015-05-20 | 宁波菲仕电机技术有限公司 | A kind of motor for pure electric vehicle casing structure with axial cooling water pipe |
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| CN106451844A (en) | 2017-02-22 |
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