CN114919398B - An all-in-one electric drive assembly cooling system for new energy vehicles - Google Patents
An all-in-one electric drive assembly cooling system for new energy vehicles Download PDFInfo
- Publication number
- CN114919398B CN114919398B CN202210453289.7A CN202210453289A CN114919398B CN 114919398 B CN114919398 B CN 114919398B CN 202210453289 A CN202210453289 A CN 202210453289A CN 114919398 B CN114919398 B CN 114919398B
- Authority
- CN
- China
- Prior art keywords
- cooling
- branch
- oil
- driving motor
- heat exchanger
- 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.)
- Active
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K11/00—Arrangement in connection with cooling of propulsion units
- B60K11/02—Arrangement in connection with cooling of propulsion units with liquid cooling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0412—Cooling or heating; Control of temperature
- F16H57/0415—Air cooling or ventilation; Heat exchangers; Thermal insulations
- F16H57/0417—Heat exchangers adapted or integrated in the gearing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0467—Elements of gearings to be lubricated, cooled or heated
- F16H57/0476—Electric machines and gearing, i.e. joint lubrication or cooling or heating thereof
-
- 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
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20218—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant without phase change in electronic enclosures
- H05K7/20272—Accessories for moving fluid, for expanding fluid, for connecting fluid conduits, for distributing fluid, for removing gas or for preventing leakage, e.g. pumps, tanks or manifolds
-
- 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
- Y02T10/72—Electric energy management in electromobility
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Power Engineering (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
本发明公开了一种新能源汽车用多合一电驱总成冷却系统，属于新能源汽车技术领域，所述多合一电驱总成包括：驱动电机、减速器和电控盒子，包括：储油腔体、电子油泵、换热器和油冷支路，所述储油腔体布置在多合一电驱总成的壳体底部。本发明公开了一种新能源汽车用多合一电驱总成冷却系统，冷却液自水泵流出通过与充电机、DC/DC变换器及电机控制器壳体接触完成电控盒子的冷却，冷却油通过电子油泵进入换热器完成热量交换，随后进入多条油冷支路分别对驱动电机定子绕组、驱动电机转子、减速器花键、驱动电机后端轴承、减速器Ⅰ级轴外壳体端高速轴承、减速器Ⅰ级轴齿轮以及驱动电机和减速器间轴承，以保证不同部位冷却均匀，整体机构更加简单科学，符合现在设计要求。
The present invention discloses a cooling system for an all-in-one electric drive assembly for a new energy vehicle, belonging to the technical field of new energy vehicles, wherein the all-in-one electric drive assembly comprises: a driving motor, a reducer and an electric control box, and comprises: an oil storage cavity, an electronic oil pump, a heat exchanger and an oil cooling branch, wherein the oil storage cavity is arranged at the bottom of the housing of the all-in-one electric drive assembly. The present invention discloses a cooling system for an all-in-one electric drive assembly for a new energy vehicle, wherein the coolant flows out from the water pump and contacts with the charger, the DC/DC converter and the housing of the motor controller to complete the cooling of the electric control box, the cooling oil enters the heat exchanger through the electronic oil pump to complete the heat exchange, and then enters a plurality of oil cooling branches to respectively cool the stator winding of the driving motor, the rotor of the driving motor, the spline of the reducer, the rear end bearing of the driving motor, the high-speed bearing at the end of the housing of the first-stage shaft of the reducer, the gear of the first-stage shaft of the reducer, and the bearing between the driving motor and the reducer, so as to ensure that the cooling of different parts is uniform, and the overall mechanism is simpler and more scientific, which meets the current design requirements.
Description
Technical Field
The invention discloses a cooling system of an all-in-one electric drive assembly for a new energy automobile, and belongs to the technical field of new energy automobiles.
Background
Along with the rapid development of production technology, the requirements of the new energy automobile field on the electric drive performance are higher and higher, and the development is gradually carried out towards the directions of high rotating speed, high efficiency and high power density. With the increase of the peak rotation speed of the driving motor, more heat is generated in the working process, the electric driving performance is affected, and the electric driving system can be burnt when serious. Therefore, the electric drive device has a good cooling system, effectively controls the temperature of the electric drive assembly within a reasonable range, and is a precondition and important guarantee for improving the electric drive performance.
The traditional cooling system is cooling water circulation or carries out air cooling by utilizing a fan, but fan air cooling noise is big, and the cooling effect of utilizing spiral water pipe water-cooling is good in inlet tube department, has improved because the temperature at the outlet pipe, and the cooling effect is limited, causes the cooling inequality, and the device replaceability is poor.
Disclosure of Invention
The invention aims to solve the problems of uneven cooling and poor device replaceability caused by limited cooling effect in the prior art, and provides a cooling system of an all-in-one electric drive assembly for a new energy automobile.
The invention aims to solve the problems, which are realized by the following technical scheme:
The all-in-one electric drive assembly cooling system for the new energy automobile comprises a driving motor, a speed reducer and an electric control box, wherein the all-in-one electric drive assembly comprises an oil storage cavity, an electronic oil pump, a heat exchanger and an oil cooling branch, the oil storage cavity is arranged at the bottom of a shell of the all-in-one electric drive assembly, the oil cooling branch is respectively arranged on the driving motor and the speed reducer, one end of the oil cooling branch is connected with the heat exchanger, the other end of the oil cooling branch is connected with the environment in the oil storage cavity, an outlet of the oil storage cavity is connected with the electronic oil pump, the other end of the electronic oil pump is connected with the heat exchanger, the oil storage cavity is arranged at the front end of the driving motor and at the bottom of the speed reducer, and the heat exchanger is arranged at the top of the front end of the driving motor.
Preferably, the oil cooling branch comprises a first branch, a second branch, a third branch, a fourth branch and a fifth branch, wherein the first branch is used for cooling a front end winding and a rear end winding of a stator of the driving motor, the second branch is used for cooling a rotor of the driving motor, a spline of a speed reducer and a rear end bearing of the driving motor, the third branch is used for cooling a high-speed bearing at the shell end of an I-stage shaft of the speed reducer, the fourth branch is used for cooling an I-stage shaft gear of the speed reducer, and the fifth branch is used for cooling a bearing between the driving motor and the speed reducer.
Preferably, the electric control box comprises an upper module, a middle module and a lower module, wherein the upper module comprises a charger and a DC/DC converter, the middle module comprises a buried copper pipe water cooling plate, and the lower module comprises a driving plate and a control plate.
Preferably, the copper pipe water cooling plate is internally provided with a snakelike cooling water channel, two ends of the cooling water channel are respectively provided with a water inlet and a water outlet, the water inlet is connected with an external water pump, the water outlet is connected with one end of a cooling liquid pipe of the heat exchanger, and the other end of the cooling liquid pipe of the heat exchanger is connected with the external water pump.
Compared with the prior art, the invention has the following beneficial effects:
The invention discloses a cooling system of an all-in-one electric drive assembly for a new energy automobile, wherein cooling liquid flows out from a water pump, is contacted with a charger, a DC/DC converter and a motor controller shell to finish cooling of an electric control box, cooling oil enters a heat exchanger through an electronic oil pump to finish heat exchange, and then enters a plurality of oil cooling branches to respectively cool a stator winding of a driving motor, a rotor of the driving motor, a spline of a speed reducer, a rear end bearing of the driving motor, a high-speed bearing at the shell end of a I-stage shaft of the speed reducer, a I-stage shaft gear of the speed reducer and a bearing between the driving motor and the speed reducer, so that cooling uniformity of different parts is ensured, and the whole mechanism is simpler and more scientific, and meets the current design requirements.
Drawings
Fig. 1 is a front view of a cooling system of an all-in-one electric drive assembly for a new energy automobile.
Fig. 2 is a plan view of a cooling system of the all-in-one electric drive assembly for a new energy automobile.
FIG. 3 is a schematic diagram of the oil circuit cooling system of the multi-in-one electric drive assembly cooling system for the new energy automobile.
Fig. 4 is a schematic diagram of waterway cooling of the cooling system of the all-in-one electric drive assembly for the new energy automobile.
Fig. 5 is a schematic diagram of a buried copper pipe water cooling plate of the cooling system of the all-in-one electric drive assembly for the new energy automobile.
The device comprises a 1-to-all electric drive assembly, a 11-to-all electric drive motor, a 12-speed reducer, a 13-electric control box, a 14-heat exchanger, a 15-electronic oil pump, a 16-oil storage cavity, a 17-water inlet, a 18-water outlet, a 19-buried copper pipe water cooling plate.
Detailed Description
The invention is further described below with reference to fig. 1-5:
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the description of the present invention, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected via an intervening medium, or in communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1, the first embodiment of the present invention provides a cooling system for a new energy automobile with an all-in-one electric drive assembly on the basis of the prior art, wherein the all-in-one electric drive assembly 1 comprises a driving motor 11, a speed reducer 12 and an electric control box 13, and comprises an oil storage cavity 16, an electronic oil pump 15, a heat exchanger 14 and an oil cooling branch. The structure of the above components and the connection relationship with each other will be described in detail.
The oil storage cavity 16 is arranged at the bottom of the shell of the all-in-one electric drive assembly 1, the oil cooling branch is respectively arranged on the driving motor 11 and the speed reducer 12, one end of the oil cooling branch is connected with the heat exchanger 14, the other end of the oil cooling branch is connected with the environment in the oil storage cavity 16, the outlet of the oil storage cavity 16 is connected with the electronic oil pump 15, and the other end of the electronic oil pump 15 is connected with the heat exchanger 14. The electric drive shell is shared by the driving motor 11 and the speed reducer 12, a filter screen is arranged between the oil storage cavity 16 and the electronic oil pump 15, the oil storage cavity 16 is arranged at the front end of the driving motor 11 and at the bottom of the speed reducer 12, the heat exchanger 14 is arranged at the top of the front end of the driving motor 11, and the heat exchanger 14 is a water-oil heat exchanger.
The electronic oil pump 15 adopts a gear pump structure, and sucks and pressurizes and sprays cooling oil in the oil storage cavity 16 into the all-in-one electric drive assembly 1. The cooling oil directly enters the heat exchanger 14 to be cooled along the inside of the shell, and is divided into five branches after being cooled by the heat exchanger 14.
Wherein the first branch cools the front end winding and the rear end winding of the stator of the driving motor 11. The first branch takes the output end of the heat exchanger 14 as a starting point, extends to the middle position of the stator winding of the driving motor 11 along the top of the driving motor 11, then wraps the outside of the stator winding and shunts to the front end and the rear end of the stator winding of the driving motor 11, and reaches the two ends of the stator of the driving motor 11. And oil injection rings are arranged at two ends of the stator winding. After the cooling oil reaches the oil spraying ring, the stator winding of the driving motor 11 is sprayed under the pressure action, so that the cooling effect is realized.
The second branch is used for cooling a rotor of the driving motor 11, a spline of a speed reducer and a rear end bearing of the driving motor 11. The second branch takes the output end of the heat exchanger 14 as a starting point, the shell of the all-in-one electric drive assembly 1 reaches the bearing seat at the end of the I-stage hollow shaft shell of the speed reducer, then the second branch is split, a part of the split flow reaches the central groove of the bearing seat through an oil duct in the shell, and the split flow reaches the rear end bearing through the hollow shaft of the rotor of the drive motor 11. The center of the bearing seat is provided with a groove which is directly connected with the I-level hollow shaft of the speed reducer. The level I hollow shaft of the speed reducer is connected with the rotor hollow shaft of the driving motor 11 through a spline, and cooling oil cools the speed reducer when flowing through the spline.
The hollow shaft of the level I of the speed reducer and the hollow shaft of the rotor of the driving motor 11 are communicated. The driving motor 11 has a specific oil path between the rotor shaft center and the rotor fit clearance, when the cooling oil flows through the center part of the rotor shaft, one part of the cooling oil enters the specific oil path to cool the rotor, especially the magnetic steel, and the other part of the cooling oil reaches the rear end bearing. Rotor specific oil way outlet arrangement at the maximum diameter of the two ends of the rotor, is uniformly distributed in a small hole shape. After the cooling oil reaches the two ends of the rotor, the cooling oil is sprayed out under the action of centrifugal force to cool the windings at the two ends and the rear end bearing of the driving motor 11.
The third branch is used for cooling a high-speed bearing at the end of the I-stage shaft outer shell of the speed reducer. The third branch takes the output end of the heat exchanger 14 as a starting point, the shell of the all-in-one electric drive assembly 1 reaches the bearing seat at the end of the shell of the speed reducer I-stage hollow shaft, then the third branch is split, and the third branch reaches the high-speed bearing at the end of the shell of the speed reducer I-stage shaft through the outer ring of the bearing at the end of the shell of the speed reducer I-stage shaft, and is cooled. The third branch and the second branch share an oil passage in the shell. And the outer ring of the bearing is grooved, and cooling oil flows through the high-speed bearing.
Wherein, fourth branch road cooling reduction gear I level axle gear. The fourth branch takes the output end of the heat exchanger 14 as a starting point, and the shell of the all-in-one electric drive assembly 1 reaches the upper part of the I-stage shaft gear of the speed reducer to be sprayed and cooled.
Wherein, the fifth branch circuit cools the bearing between the driving motor 11 and the speed reducer 12. The fifth branch takes the output end of the heat exchanger 14 as a starting point, and the shell of the all-in-one electric drive assembly 1 reaches the bearing seat of the output end of the speed reducer I-stage hollow shaft driving motor 11 to cool the bearing between the driving motor 11 and the speed reducer 12.
The cooling oil of each branch flows downwards under the action of gravity, and is gathered into the oil storage cavity 16 and enters the oil pump 15 to complete one-time oil cooling and heat dissipation cycle.
The electric control box 13 comprises an upper module, a middle module and a lower module, wherein the upper module comprises a charger and a DC/DC converter, and the electronic components are connected with the shell through silicone grease. The middle module comprises a buried copper pipe water cooling plate 19, and cooling water channels distributed in a serpentine shape are arranged in the middle module. The water inlet 17 and the water outlet 18 are arranged outside and are on the same horizontal plane. The lower module comprises a driving plate and a control plate. The inside is provided with cooling water channels distributed in a serpentine shape. The water inlet 17 and the water outlet 18 are arranged outside and are on the same horizontal plane.
The embedded copper pipe water cooling plate 19 is internally provided with a snakelike cooling water channel, two ends of the cooling water channel are respectively provided with a water inlet 17 and a water outlet 18, the water inlet 17 is connected with an external water pump, the water outlet 18 is connected with one end of a cooling liquid pipe of the heat exchanger 14, and the other end of the cooling liquid pipe of the heat exchanger 14 is connected with the external water pump. The cooling liquid flows out from the water pump, flows into the water inlet 17 of the electric control box through an external water pipe, enters the copper pipe, contacts with the charger, the DC/DC converter and the motor controller shell through the copper pipe-embedded water cooling plate 19 to finish cooling of the electric control box 13, and then flows out through the water outlet 18. The cooling oil reaches the heat exchanger 14 through the connecting pipe, is cooled by the cooling oil, and enters the water pump through the external water pipe after leaving the heat exchanger 14, so that one-time water cooling heat dissipation cycle is completed. The turning part of the pipeline is arranged in an arc shape, so that the effect of improving the flow velocity of the cooling liquid and the cooling capacity is achieved.
Although embodiments of the invention have been disclosed above, they are not limited to the use listed in the specification and embodiments. It can be applied to various fields suitable for the present invention. Additional modifications will readily occur to those skilled in the art. Therefore, the invention is not to be limited to the specific details and illustrations shown and described herein, without departing from the general concepts defined in the claims and their equivalents.
Claims (1)
1. The all-in-one electric drive assembly cooling system for the new energy automobile is characterized by comprising an oil storage cavity (16), an electronic oil pump (15), a heat exchanger (14) and an oil cooling branch, wherein the oil storage cavity (16) is arranged at the bottom of a shell of the all-in-one electric drive assembly (1), the oil cooling branch is respectively arranged on the driving motor (11) and the speed reducer (12), one end of the oil cooling branch is connected with the heat exchanger (14), the other end of the oil cooling branch is connected with the environment in the oil storage cavity (16), an outlet of the oil storage cavity (16) is connected with the electronic oil pump (15), the other end of the electronic oil pump (15) is connected with the heat exchanger (14), the oil storage cavity (16) is arranged at the front end of the driving motor (11) and at the bottom of the speed reducer (12), and the heat exchanger (14) is arranged at the top of the front end of the driving motor (11);
The oil cooling branch comprises a first branch, a second branch, a third branch, a fourth branch and a fifth branch, wherein the first branch is used for cooling a front end winding and a rear end winding of a stator of a driving motor (11), the second branch is used for cooling a rotor of the driving motor (11), a spline of a speed reducer and a rear end bearing of the driving motor (11), the third branch is used for cooling a high-speed bearing at the end of an I-stage shaft shell of the speed reducer (12), the fourth branch is used for cooling an I-stage shaft gear of the speed reducer (12), and the fifth branch is used for cooling a bearing between the driving motor (11) and the speed reducer (12);
The electric control box (13) comprises an upper module, a middle module and a lower module, wherein the upper module comprises a charger and a DC/DC converter, the middle module comprises a buried copper pipe water cooling plate (19), and the lower module comprises a driving plate and a control plate;
The copper pipe embedded water cooling plate (19) is internally provided with a cooling water channel which is distributed in a serpentine shape, two ends of the copper pipe embedded water cooling plate are respectively provided with a water inlet (17) and a water outlet (18), the water inlet (17) is connected with an external water pump, the water outlet (18) is connected with one end of a cooling liquid pipe of the heat exchanger (14), and the other end of the cooling liquid pipe of the heat exchanger (14) is connected with the external water pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210453289.7A CN114919398B (en) | 2022-04-27 | 2022-04-27 | An all-in-one electric drive assembly cooling system for new energy vehicles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210453289.7A CN114919398B (en) | 2022-04-27 | 2022-04-27 | An all-in-one electric drive assembly cooling system for new energy vehicles |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114919398A CN114919398A (en) | 2022-08-19 |
| CN114919398B true CN114919398B (en) | 2025-01-14 |
Family
ID=82806243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210453289.7A Active CN114919398B (en) | 2022-04-27 | 2022-04-27 | An all-in-one electric drive assembly cooling system for new energy vehicles |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114919398B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115402076A (en) * | 2022-08-25 | 2022-11-29 | 重庆长安汽车股份有限公司 | Module integrated oil-cold-electric driving device and automobile |
| CN115664115A (en) * | 2022-10-25 | 2023-01-31 | 重庆长安汽车股份有限公司 | Electrically-driven oil cooling system structure, electrically-driven assembly device and automobile |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10272767B1 (en) * | 2018-03-23 | 2019-04-30 | Sf Motors, Inc. | Dual loop liquid cooling of integrated electric drivetrain |
| WO2022007884A1 (en) * | 2020-07-08 | 2022-01-13 | 华为数字能源技术有限公司 | Powertrain cooling system and method, powertrain, and electric vehicle |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5328231B2 (en) * | 2008-06-12 | 2013-10-30 | 本田技研工業株式会社 | Vehicle drive motor unit |
| DE102014224476B4 (en) * | 2014-12-01 | 2024-08-29 | Volkswagen Aktiengesellschaft | Electric drive unit, hybrid drive device and vehicle |
| DE102018114789A1 (en) * | 2018-06-20 | 2019-12-24 | Schaeffler Technologies AG & Co. KG | Drive unit for a drive train of an electrically drivable motor vehicle and drive arrangement equipped therewith |
| DE102018211357B4 (en) * | 2018-07-10 | 2020-10-29 | Audi Ag | Lubricant supply system for a drive device of an electrically operated vehicle |
| FR3095092B1 (en) * | 2019-04-11 | 2021-03-12 | Renault Sas | Device for cooling and lubricating an electric powertrain of an electric or hybrid motor vehicle |
| CN112092607A (en) * | 2020-09-18 | 2020-12-18 | 中国第一汽车股份有限公司 | Hybrid cooling system of electric drive system and vehicle |
-
2022
- 2022-04-27 CN CN202210453289.7A patent/CN114919398B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10272767B1 (en) * | 2018-03-23 | 2019-04-30 | Sf Motors, Inc. | Dual loop liquid cooling of integrated electric drivetrain |
| WO2022007884A1 (en) * | 2020-07-08 | 2022-01-13 | 华为数字能源技术有限公司 | Powertrain cooling system and method, powertrain, and electric vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114919398A (en) | 2022-08-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112594357B (en) | Oil cooling deep integrated electric drive system | |
| CN114919398B (en) | An all-in-one electric drive assembly cooling system for new energy vehicles | |
| CN207939353U (en) | A kind of motor and vehicle | |
| CN111697743A (en) | Dual cooling assembly | |
| CN111416450A (en) | In-wheel motor and in-wheel motor cooling system | |
| CN111756133A (en) | Motor cooling structure, motor, automobile | |
| CN110808659A (en) | Electric drive assembly | |
| CN110868022A (en) | Oil-cooled motor structure, main drive motor and motor cooling system | |
| CN114872493A (en) | An all-in-one integrated commercial vehicle electric drive axle | |
| CN114244023A (en) | Three-in-one electric drive integrated system | |
| CN110601449B (en) | Electric automobile in-wheel motor cooling system | |
| CN115765238A (en) | Oil-cooling electric drive assembly and new energy electric automobile | |
| CN212367011U (en) | Dual cooling assembly | |
| CN111371236B (en) | High-efficiency high-heat-dissipation permanent magnet hub motor device with high-torque circumferential circular waterway | |
| CN112865397B (en) | Motor cooling oil circuit structure | |
| CN216981727U (en) | Three-in-one electric drive integrated system | |
| CN111030377A (en) | a high-speed motor | |
| CN114337114A (en) | Oil-cooled flat wire motor with oil liquid driving spraying structure | |
| CN209709876U (en) | A kind of cooling spray system of external rotor electric machine and cooling external rotor electric machine | |
| CN210669786U (en) | Promote combination wind path structure of motor body and motor sliding ring cooling effect | |
| CN216121978U (en) | Motor rotor and drive motor for pure electric vehicle | |
| CN217508452U (en) | Electric motor device, electric drive system and electric vehicle | |
| CN113054801A (en) | Multi-channel water-cooling heat dissipation system of direct-current brushless motor | |
| CN222310366U (en) | Dual-motor distributed drive device and vehicle | |
| CN219041567U (en) | Generator with oil injection device and motor vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |