CN108400670A - A kind of motor reducer integrated housing with cooling water channel - Google Patents
A kind of motor reducer integrated housing with cooling water channel Download PDFInfo
- Publication number
- CN108400670A CN108400670A CN201810402642.2A CN201810402642A CN108400670A CN 108400670 A CN108400670 A CN 108400670A CN 201810402642 A CN201810402642 A CN 201810402642A CN 108400670 A CN108400670 A CN 108400670A
- Authority
- CN
- China
- Prior art keywords
- water channel
- cooling
- motor
- electric machine
- machine casing
- 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.)
- Granted
Links
- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 42
- 239000000498 cooling water Substances 0.000 title claims abstract description 34
- 238000001816 cooling Methods 0.000 claims abstract description 63
- 238000005266 casting Methods 0.000 claims abstract description 12
- 125000004122 cyclic group Chemical group 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 238000007493 shaping process Methods 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000010354 integration Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The invention discloses a kind of motor reducer integrated housings with cooling water channel, include the electric machine casing of reducer shell and reducer shell one；A cooling cycle water channel is provided in the shell of the reducer shell and electric machine casing, the cooling cycle water channel is for cooling stator core, motor bearing seat and the drive end bearing bracket end face being mounted in electric machine casing.The motor reducer integrated housing, using integrally casting shaping, cooling cycle water channel can form internal cavity by low pressure casting, the cooling cycle water channel can be used for cooling down motor stator core, reducer shell and motor bearing seat, improve the cooling efficiency of entire cooling system, power drive system thermal losses is reduced, and improves the service life of bearing.
Description
Technical field
The present invention relates to motor reducer shell structure design field, specially a kind of decelerating through motor with cooling water channel
Device integrated housing.
Background technology
Motor becomes the mainstream of existing power drive system design with retarder, PEB Integration Designs at present, can be effective
Improve system space utilization rate.The design of electric machine casing can make the casing of motor and the casing integrally casting shaping of retarder,
Cooling cycle water channel can form internal cavity, while cooling motor stator core, reduction case and electricity by low pressure casting
The outlet of arbor bearing, the entrance and controller water channel of cyclic water channel is connected directly, and the outlet of cyclic water channel and is placed in retarder
On shell.However existing electric machine casing has the following disadvantages：1）, existing motor and retarder type of attachment be typically to adopt
With bolts assemblies, the space of entire electric bridge assembly is not only increased, the dosage of assembly difficulty and part is also added；2）, it is existing
Some motor water channel circulatory systems are typically to wrap up motor stator core individually to cool down stator core, the cooling efficiency of cooling system
It is relatively low；3）, retarder and electric machine casing be connected directly, the temperature of motor or retarder under different rotating speeds rises different, or aggravation temperature
It spends high side temperature and rises raising.Structure improvement is carried out it is therefore desirable to the cooling water channel to electric machine casing to solve the above problems.
Invention content
Purpose of the present invention is to：A kind of motor reducer integrated housing with cooling water channel is provided, casing is by motor casing
Body and reducer shell two parts composition, low pressure casting molding, motor have the first postcooling stator core of water inlet water inlet, slow down
Device is flowed out by water outlet after bearing chamber, and move in circles cooling motor reducer integrated housing.
The technical scheme is that：A kind of motor reducer integrated housing with cooling water channel, including reducing gearbox
A cooling is provided in the shell of the electric machine casing of body and reducer shell one, the reducer shell and electric machine casing to follow
Ring water channel, the cooling cycle water channel is for the cooling stator core being mounted in electric machine casing, motor bearing seat, drive end bearing bracket end
Face and reducer shell.
The cooling cycle water channel is by water channel entrance, motor cooling segment, end cap and axis as a preferred technical solution,
Hold an internal cavity being connected of cooling segment and water channel outlet composition；The water channel entrance is set on electric machine casing,
The motor cooling segment is arranged in electric machine casing in the shape of a spiral, and the end cap is arranged with bearing cooling segment in reducing gearbox
With at the interface that is connected of electric machine casing, the water channel outlet is set on reducer shell body.
The end cap and bearing cooling segment include end cap cooling water channel and bearing cooling water as a preferred technical solution,
Road；The end cap cooling water channel is in half fan shape, and is arranged in parallel with the drive end bearing bracket end face of electric machine casing, for cooling down drive end bearing bracket
End face and reducer shell；The bearing cooling water road is in semi-annular shape, is arranged in a mutually vertical manner with end cap cooling water channel, and is arranged
On the outside of the motor bearing seat excircle of electric machine casing, for cooling down motor bearing seat.
The reducer shell is integrally formed with electric machine casing using low pressure casting as a preferred technical solution, described
Cooling cycle water channel is the internal cavity that low pressure casting is formed.
It is an advantage of the invention that：
1）, motor and reducer shell integrated design, reduce the axial dimension of entire electric bridge assembly, the design of integration is axial
The assembly concentricity of Assembly part is easier to control, while reducing the dosage of motor part；
2）, integration casing, the cooling water channel of motor can first postcooling motor stator core, reducer shell, motor shaft
Room is held, the cooling efficiency of entire cooling system is improved, reduces power drive system thermal losses；
3）, water channel can not only play the effect of cooling casing among motor and retarder, can also avoid at various speeds
Retarder and motor spread heat as heat source to other side；
4）, increase the cooling structure of the high rotating speed lower bearing of motor, improve the service life of bearing.
Description of the drawings
The invention will be further described with reference to the accompanying drawings and embodiments：
Fig. 1 is the structural schematic diagram of the motor reducer integrated housing with cooling water channel of the present invention；
Fig. 2 is the dimensional structure diagram of the water channel in the integrated housing of the present invention；
Wherein：1, reducer shell；2, electric machine casing；3, cooling cycle water channel；
31, water channel entrance；32, motor cooling segment；33, bearing cooling segment；34, water channel exports；
33-1, end cap cooling water channel；33-2, bearing cooling water road；
4, motor bearing seat；5, stator core fixed bit.
Specific implementation mode
Embodiment：
As shown in attached drawing 1~2, a kind of motor reducer integrated housing with cooling water channel, including reducer shell 1 and deceleration
The electric machine casing 2 of 1 one of device shell；It is provided with a cooling circulating water in the reducer shell 1 and the shell of electric machine casing 2
Road 3, the reducer shell 1 are integrally formed with electric machine casing 2 using low pressure casting, and the cooling cycle water channel 3 is cast for low pressure
Appearance at internal cavity；It is installed with stator core in the electric machine casing 2, as label 5 is solid for stator core in attached drawing 1
It positions, the motor bearing seat 4 for installing bearing is additionally provided in electric machine casing 2；The cooling cycle water channel 3 is pacified for cooling
Stator core, motor bearing seat, drive end bearing bracket end face in electric machine casing 2 and reducer shell 1.
As shown in Fig. 2, to above-mentioned technical proposal further instruction, the cooling cycle water channel 3 is by water channel entrance
31, an internal cavity being connected of motor cooling segment 32, end cap and 34 composition of bearing cooling segment 33 and water channel outlet；
The water channel entrance 31 is set on electric machine casing 2, and the motor cooling segment 32 is arranged in the shape of a spiral in electric machine casing 2,
The end cap is arranged with bearing cooling segment 33 at the interface that is connected in reducer shell 1 with electric machine casing 2, and the water channel goes out
Mouth 34 is set on reducer shell 1；The wherein described end cap includes end cap cooling water channel 33-1 and axis with bearing cooling segment 33
Hold cooling water channel 33-2；The end cap cooling water channel 33-1 is in half fan shape, and parallel with the drive end bearing bracket end face of electric machine casing is set
It sets, for cooling down drive end bearing bracket end face and reducer shell；The bearing cooling water road 33-2 is in semi-annular shape, with end cap cooling water
Road 33-1 is arranged in a mutually vertical manner, and is set on the outside of the motor bearing seat excircle of electric machine casing, for cooling down motor bearing seat.
A kind of motor reducer integrated housing with cooling water channel of the present invention, shell using integrally casting at
Type, enclosure interior are provided with cooling cycle water channel, and cooling water enters from water channel entrance, first cool down stator core, and secondly cooling subtracts
Fast device shell and motor front end cover end face, then cooling bearing room finally export from water channel and flow out, and cooling water is after external cooling
It is flowed into again from water channel entrance, circulation cooling electromechanical shell.The cooling cycle water channel is casting sand core, casts after the completion slave again
The sand discharge hole of shell periphery is discharged；The cooling cycle water channel improves the cooling efficiency of motor, has obstructed motor and retarder
Opposite thermal diffusion, the heat dissipation problem of bearing when solving motor high rotating speed.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any
Those skilled in the art can all carry out modifications and changes to above-described embodiment without violating the spirit and scope of the present invention.
Therefore, such as those of ordinary skill in the art without departing from the present invention it is revealed spirit with technological thought under
All equivalent modifications completed or change should be covered by the claim of the present invention.
Claims (4)
1. a kind of motor reducer integrated housing with cooling water channel, including reducer shell（1）With reducer shell（1）One
The electric machine casing of body（2）, it is characterised in that：The reducer shell（1）With electric machine casing（2）Shell in be provided with one it is cold
But cyclic water channel（3）, the cooling cycle water channel（3）It is mounted on electric machine casing for cooling（2）Interior stator core, motor shaft
Bearing, drive end bearing bracket end face and reducer shell（1）.
2. a kind of motor reducer integrated housing with cooling water channel according to claim 1, it is characterised in that：It is described
Cooling cycle water channel（3）It is by water channel entrance（31）, motor cooling segment（32）, end cap and bearing cooling segment（33）And water channel
Outlet（34）One internal cavity being connected of composition；The water channel entrance（31）It is set to electric machine casing（2）On, the electricity
Machine cooling segment（32）It is arranged in the shape of a spiral in electric machine casing（2）It is interior, the end cap and bearing cooling segment（33）Setting is subtracting
Fast device shell（1）With electric machine casing（2）Connected interface at, water channel outlet（34）It is set to reducer shell（1）On.
3. a kind of motor reducer integrated housing with cooling water channel according to claim 2, it is characterised in that：It is described
End cap and bearing cooling segment（33）Including end cap cooling water channel（33-1）With bearing cooling water road（33-2）；The end cap cooling
Water channel（33-1）It is arranged in parallel in half fan shape, and with the drive end bearing bracket end face of electric machine casing, for cooling down drive end bearing bracket end face and subtracting
Fast device shell；The bearing cooling water road（33-2）In semi-annular shape, with end cap cooling water channel（33-1）It is arranged in a mutually vertical manner, and
It is set on the outside of the motor bearing seat excircle of electric machine casing, for cooling down motor bearing seat.
4. according to a kind of motor reducer integrated housing with cooling water channel of claims 1 to 3 any one of them, feature
It is：The reducer shell（1）With electric machine casing（2）It is integrally formed using low pressure casting, the cooling cycle water channel（3）For
The internal cavity that low pressure casting is formed.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810402642.2A CN108400670B (en) | 2018-04-28 | 2018-04-28 | Motor reducer integrated housing with cooling water channel |
| PCT/CN2018/123771 WO2019205694A1 (en) | 2018-04-28 | 2018-12-26 | Motor speed reducer integrated housing having cooling water channel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810402642.2A CN108400670B (en) | 2018-04-28 | 2018-04-28 | Motor reducer integrated housing with cooling water channel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108400670A true CN108400670A (en) | 2018-08-14 |
| CN108400670B CN108400670B (en) | 2024-05-03 |
Family
ID=63100818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810402642.2A Active CN108400670B (en) | 2018-04-28 | 2018-04-28 | Motor reducer integrated housing with cooling water channel |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN108400670B (en) |
| WO (1) | WO2019205694A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109617310A (en) * | 2018-10-23 | 2019-04-12 | 展欣（宁波）新能源科技有限公司 | A kind of hub motor |
| WO2019205694A1 (en) * | 2018-04-28 | 2019-10-31 | 合肥巨一动力系统有限公司 | Motor speed reducer integrated housing having cooling water channel |
| CN111224501A (en) * | 2018-11-23 | 2020-06-02 | 比亚迪股份有限公司 | Cooling water channel of electric assembly and electric assembly with same |
| CN113078774A (en) * | 2021-02-24 | 2021-07-06 | 爱驰汽车（上海）有限公司 | Cooling structure and driving device |
| CN116094234A (en) * | 2023-04-10 | 2023-05-09 | 常州永瀚电机有限公司 | Energy-saving direct-current brushless centrifugal fan for building ventilation |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112594357B (en) * | 2020-12-29 | 2023-03-21 | 中克骆瑞新能源科技有限公司 | Oil cooling deep integrated electric drive system |
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| CN205417150U (en) * | 2015-11-10 | 2016-08-03 | 大陆汽车投资（上海）有限公司 | Take integrated drive arrangement of motor, dc -to -ac converter and derailleur of cooling body |
| CN208272773U (en) * | 2018-04-28 | 2018-12-21 | 合肥巨一动力系统有限公司 | A kind of motor reducer integrated housing with cooling water channel |
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| CN101728903B (en) * | 2008-10-31 | 2011-11-16 | 比亚迪股份有限公司 | Motor and transmission mechanism thereof |
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| CN108400670B (en) * | 2018-04-28 | 2024-05-03 | 合肥巨一动力系统有限公司 | Motor reducer integrated housing with cooling water channel |
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2018
- 2018-04-28 CN CN201810402642.2A patent/CN108400670B/en active Active
- 2018-12-26 WO PCT/CN2018/123771 patent/WO2019205694A1/en active Application Filing
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205417150U (en) * | 2015-11-10 | 2016-08-03 | 大陆汽车投资（上海）有限公司 | Take integrated drive arrangement of motor, dc -to -ac converter and derailleur of cooling body |
| CN208272773U (en) * | 2018-04-28 | 2018-12-21 | 合肥巨一动力系统有限公司 | A kind of motor reducer integrated housing with cooling water channel |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019205694A1 (en) * | 2018-04-28 | 2019-10-31 | 合肥巨一动力系统有限公司 | Motor speed reducer integrated housing having cooling water channel |
| CN109617310A (en) * | 2018-10-23 | 2019-04-12 | 展欣（宁波）新能源科技有限公司 | A kind of hub motor |
| CN111224501A (en) * | 2018-11-23 | 2020-06-02 | 比亚迪股份有限公司 | Cooling water channel of electric assembly and electric assembly with same |
| CN113078774A (en) * | 2021-02-24 | 2021-07-06 | 爱驰汽车（上海）有限公司 | Cooling structure and driving device |
| CN116094234A (en) * | 2023-04-10 | 2023-05-09 | 常州永瀚电机有限公司 | Energy-saving direct-current brushless centrifugal fan for building ventilation |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019205694A1 (en) | 2019-10-31 |
| CN108400670B (en) | 2024-05-03 |
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