CN204425119U - For the multistage hybrid cooling system of motor in electric automobile - Google Patents
For the multistage hybrid cooling system of motor in electric automobile Download PDFInfo
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- CN204425119U CN204425119U CN201520023438.1U CN201520023438U CN204425119U CN 204425119 U CN204425119 U CN 204425119U CN 201520023438 U CN201520023438 U CN 201520023438U CN 204425119 U CN204425119 U CN 204425119U
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- oil
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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Abstract
The utility model discloses a kind of multistage hybrid cooling system for motor in electric automobile, namely the oil-out of native system Inner eycle oil-cooled motor connects fuel tank, the input of oil pump connects fuel tank, the oily medium input of oil to-water heat exchanger connects oil pump output, output connects the oil-in of Inner eycle oil-cooled motor by oil pipe, the aqueous medium output of oil to-water heat exchanger connects the aqueous medium input of sky-water heat exchanger by water pump, the aqueous medium output of sky-water heat exchanger connects the aqueous medium input of oil to-water heat exchanger, sky-water heat exchanger side is located at by fan.Native system effectively improves the heat-sinking capability of motor, avoids electric elements temperature rise to transfinite, ensure that the power density needs of motor, improve the working life of motor.
Description
Technical field
The utility model relates to a kind of multistage hybrid cooling system for motor in electric automobile.
Background technology
Along with the light-weighted demand of electric automobile high power, require that the motor power system of vehicle has higher power density.Because motor operation course can produce a large amount of heats, must be left in time, otherwise the joint temperature of electric elements exceedes the maximum temperature of allowing, the maximum power output of meeting limiting motor and working life, even there will be faults such as burning.Usual heat radiation needs enough heat radiation volumes or surface area, and when heat radiation volume or surface area are not done to increase and decrease, it is improve one of power of motor density Main Means that the cooling system of research motor heat transfer heat radiation is built.Different design of Cooling System schemes, its integrated level is different, and radiating effect is also different, and therefore the cooling of design of Cooling System reasonability to motor is most important.
Usual motor in electric automobile adopts Inner eycle oil-cooled motor, as shown in Figure 1, its cooling system is formed primarily of sky-oil heat exchanger 2, oil pump 3, fuel tank 4 and fan 5, the oil-out 12 of Inner eycle oil-cooled motor 1 connects fuel tank 4, the cold oil of fuel tank 4 is transferred to sky-oil heat exchanger 2 by oil pump 3, fan 5 dispels the heat to sky-oil heat exchanger 2, and the cold oil cooled through sky-oil heat exchanger 2 to input the oil-in 11 of Inner eycle oil-cooled motor 1 by oil pipe 6.This cooling system is taken out of by the heat of cold oil by motor, the cooling of cold oil is realized by sky-oil heat exchanger and fan, because the thermal capacity of cold oil is less, it is through the limited efficiency of sky-oil heat exchanger and fan for cooling, reduce taking out of of motor heat, have impact on the raising of power of motor density.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of multistage hybrid cooling system for motor in electric automobile, native system effectively improves the heat-sinking capability of motor, avoid electric elements temperature rise to transfinite, ensure that the power density needs of motor, improve the working life of motor.
For solving the problems of the technologies described above, the multistage hybrid cooling system that the utility model is used for motor in electric automobile comprises Inner eycle oil-cooled motor, fuel tank, fan, oil pump and oil pipe, the oil-out of described Inner eycle oil-cooled motor connects described fuel tank, and the input of described oil pump connects described fuel tank; Native system also comprises oil to-water heat exchanger, sky-water heat exchanger and water pump, the oily medium input of described oil to-water heat exchanger connects described oil pump output, output connect described Inner eycle oil-cooled motor oil-in by described oil pipe, the aqueous medium output of described oil to-water heat exchanger connects the aqueous medium input of described sky-water heat exchanger by described water pump, the aqueous medium output of described sky-water heat exchanger connects the aqueous medium input of described oil to-water heat exchanger, and described sky-water heat exchanger side is located at by described fan.
Further, native system also comprises the first cleaner and final cleaner, and described first cleaner is located between described oil pump and fuel tank, and described final cleaner is located between described oil pipe output and the oil-in of Inner eycle oil-cooled motor.
Further, described oil pipe is integrated in the housing of described Inner eycle oil-cooled motor.
Further, the housing of described oil pump and the housing of Inner eycle oil-cooled motor become one.
The multistage hybrid cooling system being used for motor in electric automobile due to the utility model have employed technique scheme, namely the oil-out of native system Inner eycle oil-cooled motor connects fuel tank, the input of oil pump connects fuel tank, the oily medium input of oil to-water heat exchanger connects oil pump output, output connects the oil-in of Inner eycle oil-cooled motor by oil pipe, the aqueous medium output of oil to-water heat exchanger connects the aqueous medium input of sky-water heat exchanger by water pump, the aqueous medium output of sky-water heat exchanger connects the aqueous medium input of oil to-water heat exchanger, sky-water heat exchanger side is located at by fan.Native system effectively improves the heat-sinking capability of motor, avoids electric elements temperature rise to transfinite, ensure that the power density needs of motor, improve the working life of motor.
Accompanying drawing explanation
Below in conjunction with drawings and embodiments, the utility model is described in further detail:
Fig. 1 is the cooling system schematic diagram of conventional electric electric motor of automobile;
Fig. 2 is the multistage hybrid cooling system schematic diagram of the utility model for motor in electric automobile.
Embodiment
Embodiment 1 as shown in Figure 1, the multistage hybrid cooling system that the utility model is used for motor in electric automobile comprises Inner eycle oil-cooled motor 1, fuel tank 4, fan 5, oil pump 3 and oil pipe 6, the oil-out 12 of described Inner eycle oil-cooled motor 1 connects described fuel tank 4, and the input of described oil pump 3 connects described fuel tank 4; Native system also comprises oil to-water heat exchanger 7, sky-water heat exchanger 8 and water pump 9, the oily medium input of described oil to-water heat exchanger 7 connects described oil pump 3 output, output connect described Inner eycle oil-cooled motor 1 oil-in 11 by described oil pipe 6, the aqueous medium output of described oil to-water heat exchanger 7 connects the aqueous medium input of described sky-water heat exchanger 8 by described water pump 9, the aqueous medium output of described sky-water heat exchanger 8 connects the aqueous medium input of described oil to-water heat exchanger 7, and described sky-water heat exchanger 8 side is located at by described fan 5.
Embodiment 2, on the basis of embodiment 1, native system also comprises the first cleaner 13 and final cleaner 14, and described first cleaner 13 is located between described oil pump 3 and fuel tank 4, and described final cleaner 14 is located between described oil pipe 6 output and the oil-in 11 of Inner eycle oil-cooled motor 1.First cleaner and final cleaner are used for cooling oil filtration in native system, guarantee the circulation of cold oil in Inner eycle oil-cooled motor, and avoid the impact that impurity runs motor.
Embodiment 3, oil pipe 6 accessible site in native system is in the housing of described Inner eycle oil-cooled motor 1.Oil pipe can be offered oil groove and replace on electric machine casing, reduces the use of oil pipe in native system, improves cold oil hydronic reliability in the present system.
Embodiment 4, in native system, the housing of oil pump 3 and the housing accessible site of Inner eycle oil-cooled motor 1 are integrated, and both are integrated when Design and manufacture, reduce volume, improve the integrated level of native system.
The Inner eycle oil-cooled motor that native system adopts is integrated with oil cooling function, and its housing can arrange cooling oil box on the spot according to the design feature of self, and absolute space increases limited, almost can not change the installing space of outside; Cold oil enters motor internal through motor oil-in and cools motor, cold oil flows into fuel tank by oil-out after taking motor heat out of, cold oil in fuel tank inputs oil to-water heat exchanger through oil pump, cold oil enters motor internal again carry out heat exchange cooling with aqueous medium in oil to-water heat exchanger after and carries out cool cycles, simultaneously, the aqueous medium of oil to-water heat exchanger is lowered the temperature at sky-water heat exchanger Inner eycle by water pump, improve the cooling-down effect of cold oil, fan directly blows sky-water heat exchanger and is entered in air by the heat of aqueous medium.In native system, the secondary cooling circulation of cold oil adopts water cooling, the original layout of vehicle and parts use can not be changed, therefore native system can with electric automobile widely used water-cooled machine system slitless connection, the thermal capacity of the ratio of heat capacities oil of water is much larger, uses water as secondary cooling medium, in equal heat quantity, when the same temperature rise of medium, the quality required for water is less, and volume is less, improve radiating efficiency, what the structure of native system can be done is compacter.
Claims (4)
1. the multistage hybrid cooling system for motor in electric automobile, comprise Inner eycle oil-cooled motor, fuel tank, fan, oil pump and oil pipe, the oil-out of described Inner eycle oil-cooled motor connects described fuel tank, the input of described oil pump connects described fuel tank, it is characterized in that: native system also comprises oil to-water heat exchanger, sky-water heat exchanger and water pump, the oily medium input of described oil to-water heat exchanger connects described oil pump output, output connects the oil-in of described Inner eycle oil-cooled motor by described oil pipe, the aqueous medium output of described oil to-water heat exchanger connects the aqueous medium input of described sky-water heat exchanger by described water pump, the aqueous medium output of described sky-water heat exchanger connects the aqueous medium input of described oil to-water heat exchanger, described sky-water heat exchanger side is located at by described fan.
2. the multistage hybrid cooling system for motor in electric automobile according to claim 1, it is characterized in that: native system also comprises the first cleaner and final cleaner, described first cleaner is located between described oil pump and fuel tank, and described final cleaner is located between described oil pipe output and the oil-in of Inner eycle oil-cooled motor.
3. the multistage hybrid cooling system for motor in electric automobile according to claim 1 and 2, is characterized in that: described oil pipe is integrated in the housing of described Inner eycle oil-cooled motor.
4. the multistage hybrid cooling system for motor in electric automobile according to claim 1 and 2, is characterized in that: the housing of described oil pump and the housing of Inner eycle oil-cooled motor become one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520023438.1U CN204425119U (en) | 2015-01-14 | 2015-01-14 | For the multistage hybrid cooling system of motor in electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520023438.1U CN204425119U (en) | 2015-01-14 | 2015-01-14 | For the multistage hybrid cooling system of motor in electric automobile |
Publications (1)
| Publication Number | Publication Date |
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| CN204425119U true CN204425119U (en) | 2015-06-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520023438.1U Expired - Fee Related CN204425119U (en) | 2015-01-14 | 2015-01-14 | For the multistage hybrid cooling system of motor in electric automobile |
Country Status (1)
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| CN (1) | CN204425119U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107613726A (en) * | 2017-09-04 | 2018-01-19 | 珠海格力电器股份有限公司 | Data center cooling system and control method thereof |
| CN108827494A (en) * | 2018-04-28 | 2018-11-16 | 吉孚动力技术(中国)有限公司 | Oil-temperature control system for gearbox test-bed |
| 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 |
| CN112234770A (en) * | 2019-07-15 | 2021-01-15 | 华为技术有限公司 | Oil-cooled motor control device and method |
| CN117639389A (en) * | 2023-12-15 | 2024-03-01 | 帝悦精密科技（苏州）有限公司 | External high-efficiency cooling circulation structure of high-bearing-capacity electric cylinder |
-
2015
- 2015-01-14 CN CN201520023438.1U patent/CN204425119U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107613726A (en) * | 2017-09-04 | 2018-01-19 | 珠海格力电器股份有限公司 | Data center cooling system and control method thereof |
| CN108827494A (en) * | 2018-04-28 | 2018-11-16 | 吉孚动力技术(中国)有限公司 | Oil-temperature control system for gearbox test-bed |
| CN112234770A (en) * | 2019-07-15 | 2021-01-15 | 华为技术有限公司 | Oil-cooled motor control device and method |
| CN112234770B (en) * | 2019-07-15 | 2022-01-14 | 华为技术有限公司 | Oil-cooled motor control device and method |
| 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 |
| CN117639389A (en) * | 2023-12-15 | 2024-03-01 | 帝悦精密科技（苏州）有限公司 | External high-efficiency cooling circulation structure of high-bearing-capacity electric cylinder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150624 Termination date: 20210114 |
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| CF01 | Termination of patent right due to non-payment of annual fee |