CN103625266A - Electric vehicle power unit cooling system - Google Patents
Electric vehicle power unit cooling system Download PDFInfo
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- CN103625266A CN103625266A CN201210310589.6A CN201210310589A CN103625266A CN 103625266 A CN103625266 A CN 103625266A CN 201210310589 A CN201210310589 A CN 201210310589A CN 103625266 A CN103625266 A CN 103625266A
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Abstract
The present invention provides an electric vehicle power unit cooling system. The system at least comprises a generator cooling unit, a driving motor cooling unit and a heat radiator, after being connected with a cooling water inlet of the driving motor cooling unit in parallel, a cooling water inlet of the generator cooling unit is connected with a cooling water outlet of the heat radiator through a pipeline, and after being connected with a cooling water outlet of the driving motor cooling unit in parallel, a cooling water outlet of the generator cooling unit is connected with a cooling water inlet of the heat radiator through a pipeline. The connecting mode is equivalent to the mode that the generator cooling unit and the driving motor cooling unit are connected in parallel, and therefore the temperature of water entering the generator cooling unit and the temperature of water entering the driving motor cooling unit are consistent basically, the heat management environment of a generator and the heat management environment of a driving motor can be kept consistent, further, working conditions of the generator and working conditions of the driving motor can be kept consistent, the cooling effect of the generator and the cooling effect of the driving motor can be kept consistent, and the service life of an electric vehicle power unit can be effectively prolonged.
Description
Technical field
The present invention relates to electronlmobil field, particularly a kind of cooling system for electric powered motor unit.
Background technology
Along with the day by day scarcity of the energy and day by day increasing the weight of of environmental pollution, people's environmental consciousness is more and more stronger, and electronlmobil, as a kind of vehicle of energy-conserving and environment-protective, is more and more subject to people's attention.Because electric power can obtain from multiple primary energy, as coal, nuclear energy, waterpower, wind-force, light, heat etc., remove people to the oil resources worry of exhaustion day by day.Electronlmobil can also make full use of power charge more than needed during low power consumption in night, and generating set day and night can be made full use of, and greatly improves its economic benefit.Relevant research shows, same crude oil is through thick refining, deliver to power plant's generating, through being filled with battery, then by battery-operated automobile, its energy utilization efficiency is than becoming gasoline through refining, through spark ignition engine, drive automobile high again, therefore be conducive to the discharge capacity of saving the energy and reducing carbon dioxide, these advantages, make the research of electronlmobil and the focus that application becomes auto-industry just.
Electronicly according to power difference, be mainly divided into two kinds of pure electric automobile and mixed power electric cars, pure electric automobile is by electric motor driven automotive operation, the driving energy source of electrical motor is in vehicle-mounted chargeable storage or other energy accumulating devices, hybrid-electric car can move by fuel or electric energy driven in two modes, and in electronlmobil, starting power unit is mainly comprised of drive motor and electrical generator.Electronlmobil especially mixed power electric car when operational process, its drive motor and electrical generator will produce a large amount of heats, as can not be in time heat discharged, can cause adverse effect to the performance of motor, must carry out cooling to drive motor, electrical generator for this reason.
On electronlmobil, the cooling of drive motor, electrical generator generally undertaken cooling by cooling-water chamber, as the Chinese invention patent (patent No.: 200710022673.7) disclose a kind of cooling-water chamber, this cooling-water chamber is divided into two of water jacket body and water jacket plug on its axis direction, and both side seals connect, groove in its inner circle and the periphery of motor stator form described Coolant gallery, and cooling-water chamber and motor stator are for being tightly connected.Cooling water expansion tank can carry out cooling to motor/generator by Coolant gallery
On current electronlmobil, drive motor cooling unit and electrical generator cooling unit are for being connected in series, be cooling water expansion tank generally first flow through drive motor cooling unit to drive carry out cooling, then to electrical generator, carry out cooling flowing through electrical generator cooling unit, because the temperature of cooling water expansion tank is different, therefore the heat management environment of drive motor and electrical generator is inconsistent, therefore the cooling performance of drive motor and electrical generator is also inconsistent, like this will be to causing harmful effect the service life of electric powered motor unit, be necessary to design the cold system of going of a kind of new electronlmobil for this reason, to the electrical generator of electric powered motor unit and drive motor, carry out cooling, the heat management environment of electrical generator and drive motor is consistent.
Summary of the invention
The shortcoming of prior art, the object of the present invention is to provide a kind of electric powered motor unit cooling system in view of the above, for solving electrical generator and the inconsistent problem of drive motor heat management environment of prior art electric powered motor unit.
For achieving the above object and other relevant objects, the invention provides a kind of electric powered motor unit cooling system, this system at least comprises: electrical generator cooling unit, described electrical generator cooling unit is cooling for the electrical generator of electronlmobil is carried out, and described electrical generator cooling unit comprises cooling water intake and cooling water outlet; Drive motor cooling unit, described drive motor cooling unit is for the drive motor of cooling electric electrical automobile, and described drive motor cooling unit comprises cooling water intake and cooling water outlet; Radiator, for cooling water expansion tank is carried out to cooling processing, described radiator comprises cooling water intake and cooling water outlet; After the cold water intaking water inlet parallel connection of the cooling water intake of described electrical generator cooling unit and described drive motor cooling unit, be connected by pipeline with the cooling water outlet of described radiator, after the cold water intaking water outlet parallel connection of the cooling water outlet of described electrical generator cooling unit and described drive motor cooling unit, be connected by pipeline with the cooling water intake of described radiator.
Preferably, the cooling water outlet of described radiator goes out to be provided with a driving water pump.
Preferably, on the pipeline that the cooling water water outlet of described radiator is connected with the cold water intaking water inlet of described electrical generator cooling unit or drive motor cooling unit, be also provided with a power train control module cooling unit, described power train control module cooling unit is for carrying out cooling to the power train control module of electronlmobil.
Preferably, a side of described radiator is provided with cooling fan.
Preferably, described electrical generator cooling unit or drive motor cooling unit comprise a cooling-water chamber, described cooling-water chamber is sleeved on the stator of electrical generator or drive motor, described cooling-water chamber coordinates with the seal stator of described electrical generator or drive motor, between described cooling-water chamber and described stator, forms Coolant gallery.
As mentioned above, electric powered motor of the present invention unit cooling system has following beneficial effect: in this cooling system, after the cold water intaking water inlet parallel connection of the cooling water intake of electrical generator cooling unit and drive motor cooling unit, be connected by pipeline with the cooling water outlet of radiator, after the cold water intaking water outlet parallel connection of the cooling water outlet of electrical generator cooling unit and drive motor cooling unit, be connected by pipeline with the cooling water intake of radiator, adopt this connection mode to be equivalent to electrical generator cooling unit, drive motor cooling unit carries out parallel connection, therefore for electrical generator cooling unit, its inflow temperature of drive motor cooling unit is basically identical, so just can make the heat management environment of electrical generator and drive motor be consistent, and then make electrical generator, drive motor operating mode is consistent, guarantee electrical motor, the cooling performance of drive motor is consistent, so just can effectively extend the service life of electric powered motor unit.There is again the electrical generator of employing cooling unit to carry out structure in parallel with drive motor cooling unit, can reduce the cooling water flow dynamic resistance in cooling system, and then can reduce the requirement of cooling water expansion tank driving water head of pump, save the electric power consumption that drives water pump.
Accompanying drawing explanation
Fig. 1 is shown as the block diagram of the embodiment of the present invention.
Element numbers explanation
1 radiator
2 electrical generator cooling units
3 drive motor cooling units
4 power train control module cooling units
5 drive water pump
6 cooling fans
The specific embodiment
Below, by specific instantiation explanation embodiments of the present invention, those skilled in the art can understand other advantages of the present invention and effect easily by the disclosed content of this specification sheets.The present invention can also be implemented or be applied by the other different specific embodiment, and the every details in this specification sheets also can be based on different viewpoints and application, carries out various modifications or change not deviating under spirit of the present invention.
Refer to Fig. 1.It should be noted that, the diagram providing in the present embodiment only illustrates basic conception of the present invention in a schematic way, so only show in graphic with assembly relevant in the present invention but not component count, shape and size drafting while implementing according to reality, during its actual enforcement, kenel, quantity and the ratio of each assembly can be a kind of random change, and its assembly layout kenel also may be more complicated.
As shown in Figure 1, the invention provides a kind of electric powered motor unit cooling system, this system comprises several parts such as radiator 1, electrical generator cooling unit 2, drive motor cooling unit 3.Fan hot device 1 for the cooling water expansion tank of system is carried out to cooling processing, comprise cooling water intake and cooling water outlet.Electrical generator cooling unit 2 is cooling for the electrical generator of electronlmobil is carried out, and this electrical generator cooling unit 2 comprises cooling water intake and cooling water outlet.Drive motor cooling unit 3 is for the drive motor of cooling electric electrical automobile, and drive motor cooling unit 3 comprises cooling water intake and cooling water outlet.The cooling water intake of drive motor cooling unit 3 is in parallel by pipeline with the cooling water intake of electrical generator cooling unit 2, and the cooling water outlet of drive motor cooling unit 3 is in parallel by pipeline with the cooling water outlet of electrical generator cooling unit 2.The cooling water outlet of radiator 1 is connected by pipeline with the cooling water intake of drive motor cooling unit 3 after parallel connection, the cooling water intake of electrical generator cooling unit 2, and the cooling water intake of radiator 1 is connected by pipeline with the cooling water outlet of drive motor cooling unit 3 after parallel connection, the cooling water outlet of electrical generator cooling unit 2.The cooling water outlet place of radiator 1 is provided with a driving water pump 5, drives water pump 5 for cooling water expansion tank being pumped into electrical generator cooling unit 2, drive motor cooling unit 3.
Because electrical generator, drive motor temperature tolerance are higher, the water that usable temp is higher carries out cooling, on the pipeline that therefore can be connected at the cooling water outlet of radiator 1 and the cold water intaking water inlet of electrical generator cooling unit 2 or drive motor cooling unit 3, a power train control module cooling unit 4 is set again, the cooling water expansion tank that makes to be flowed out by radiator 1 first carries out cooling to power train control module, and then to the electrical generator of electronlmobil, drive motor, is carrying out cooling by the higher cooling water expansion tank of temperature.Can make like this cooling water expansion tank be fully used, can improve again the inflow temperature of radiator 1 cooling water intake, thereby can effectively improve the radiating efficiency of radiator 1.In order further to improve the radiating efficiency of radiator 1, a side of radiator 1 is also provided with a cooling fan 6.
This electric powered motor unit cooling system is when work, cooling water expansion tank is first by driving water pump 5 to be pumped into that power train control module cooling unit 4 is interior to carry out cooling to power train control module, then by power train control module cooling unit 4, flow into respectively electrical generator cooling unit 2 and drive motor cooling unit 3, to the electrical generator of electronlmobil and drive motor, carry out cooling respectively, because the cooling water intake of electrical generator cooling unit 2 and drive motor cooling unit 3 is in parallel, therefore enter into electrical generator cooling unit 2 identical with the cooling water temperature of drive motor cooling unit 3.Cooling water expansion tank enters radiator 1 after being flowed out by electrical generator cooling unit 2 and drive motor cooling unit 3 and dispels the heat, and is cooled to low-temperature cooling water and enters next cooling circulation.
In this cooling system, after the cold water intaking water inlet parallel connection of the cooling water intake of electrical generator cooling unit and drive motor cooling unit, be connected by pipeline with the cooling water outlet of radiator, after the cold water intaking water outlet parallel connection of the cooling water outlet of electrical generator cooling unit and drive motor cooling unit, be connected by pipeline with the cooling water intake of radiator, adopt this connection mode to be equivalent to electrical generator cooling unit, drive motor cooling unit carries out parallel connection, therefore for electrical generator cooling unit, its inflow temperature of drive motor cooling unit is basically identical, so just can make the heat management environment of electrical generator and drive motor be consistent, and then make electrical generator, drive motor operating mode is consistent, guarantee electrical motor, the cooling performance of drive motor is consistent, so just can effectively extend the service life of electric powered motor unit.There is again the electrical generator of employing cooling unit to carry out structure in parallel with drive motor cooling unit, can reduce the cooling water flow dynamic resistance in cooling system, and then can reduce the requirement of cooling water expansion tank driving water head of pump, save the electric power consumption that drives water pump.In sum, the present invention has effectively overcome various shortcoming of the prior art and tool high industrial utilization.
Above-described embodiment is illustrative principle of the present invention and effect thereof only, but not for limiting the present invention.Any person skilled in the art scholar all can, under spirit of the present invention and category, modify or change above-described embodiment.Therefore, such as in affiliated technical field, have and conventionally know that the knowledgeable, not departing from all equivalence modifications that complete under disclosed spirit and technological thought or changing, must be contained by claim of the present invention.
Claims (5)
1. an electric powered motor unit cooling system, is characterized in that, this system at least comprises:
Electrical generator cooling unit, described electrical generator cooling unit is cooling for the electrical generator of electronlmobil is carried out, and described electrical generator cooling unit comprises cooling water intake and cooling water outlet;
Drive motor cooling unit, described drive motor cooling unit is for the drive motor of cooling electric electrical automobile, and described drive motor cooling unit comprises cooling water intake and cooling water outlet;
Radiator, for cooling water expansion tank is carried out to cooling processing, described radiator comprises cooling water intake and cooling water outlet;
After the cold water intaking water inlet parallel connection of the cooling water intake of described electrical generator cooling unit and described drive motor cooling unit, be connected by pipeline with the cooling water outlet of described radiator, after the cold water intaking water outlet parallel connection of the cooling water outlet of described electrical generator cooling unit and described drive motor cooling unit, be connected by pipeline with the cooling water intake of described radiator.
2. electric powered motor according to claim 1 unit cooling system, is characterized in that: the cooling water outlet of described radiator goes out to be provided with a driving water pump.
3. electric powered motor according to claim 2 unit cooling system, it is characterized in that: on the pipeline that the cooling water water outlet of described radiator is connected with the cold water intaking water inlet of described electrical generator cooling unit or drive motor cooling unit, be also provided with a power train control module cooling unit, described power train control module cooling unit is for carrying out cooling to the power train control module of electronlmobil.
4. electric powered motor according to claim 1 unit cooling system, is characterized in that: a side of described radiator is provided with cooling fan.
5. electric powered motor according to claim 1 unit cooling system, it is characterized in that: described electrical generator cooling unit or drive motor cooling unit comprise a cooling-water chamber, described cooling-water chamber is sleeved on the stator of electrical generator or drive motor, described cooling-water chamber coordinates with the seal stator of described electrical generator or drive motor, between described cooling-water chamber and described stator, forms Coolant gallery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210310589.6A CN103625266A (en) | 2012-08-28 | 2012-08-28 | Electric vehicle power unit cooling system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210310589.6A CN103625266A (en) | 2012-08-28 | 2012-08-28 | Electric vehicle power unit cooling system |
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| CN103625266A true CN103625266A (en) | 2014-03-12 |
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| CN201210310589.6A Pending CN103625266A (en) | 2012-08-28 | 2012-08-28 | Electric vehicle power unit cooling system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104309469B (en) * | 2014-05-30 | 2017-03-01 | 潍柴动力股份有限公司 | A kind of low-temperature cooling system, method and device |
| CN108583473A (en) * | 2018-04-13 | 2018-09-28 | 桂林航天工业学院 | Intelligent mixed power automobile, fan cooling system and method |
| CN108696041A (en) * | 2018-06-13 | 2018-10-23 | 康富科技股份有限公司 | A kind of integral type self-circulating water cool electric machine |
| CN109774458A (en) * | 2017-11-15 | 2019-05-21 | 湖南中车时代电动汽车股份有限公司 | A kind of motor and controller cooling system and method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006219083A (en) * | 2005-02-14 | 2006-08-24 | Toyota Motor Corp | Cooling device for electrical apparatus loaded on vehicle |
| CN101087083A (en) * | 2007-05-25 | 2007-12-12 | 奇瑞汽车有限公司 | A cooling water cover of electromotive motorcar electromotor |
| CN201808442U (en) * | 2010-06-02 | 2011-04-27 | 湖南南车时代电动汽车股份有限公司 | Cooling device for electric driving system of hybrid electric vehicle |
| CN201914075U (en) * | 2010-12-20 | 2011-08-03 | 浙江吉利汽车研究院有限公司 | Cooling system of hybrid electric vehicle |
| JP2011225134A (en) * | 2010-04-21 | 2011-11-10 | Toyota Motor Corp | Cooling system for vehicle |
| US20120186775A1 (en) * | 2009-07-29 | 2012-07-26 | Protean Electric | Cooling system |
-
2012
- 2012-08-28 CN CN201210310589.6A patent/CN103625266A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006219083A (en) * | 2005-02-14 | 2006-08-24 | Toyota Motor Corp | Cooling device for electrical apparatus loaded on vehicle |
| CN101087083A (en) * | 2007-05-25 | 2007-12-12 | 奇瑞汽车有限公司 | A cooling water cover of electromotive motorcar electromotor |
| US20120186775A1 (en) * | 2009-07-29 | 2012-07-26 | Protean Electric | Cooling system |
| JP2011225134A (en) * | 2010-04-21 | 2011-11-10 | Toyota Motor Corp | Cooling system for vehicle |
| CN201808442U (en) * | 2010-06-02 | 2011-04-27 | 湖南南车时代电动汽车股份有限公司 | Cooling device for electric driving system of hybrid electric vehicle |
| CN201914075U (en) * | 2010-12-20 | 2011-08-03 | 浙江吉利汽车研究院有限公司 | Cooling system of hybrid electric vehicle |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104309469B (en) * | 2014-05-30 | 2017-03-01 | 潍柴动力股份有限公司 | A kind of low-temperature cooling system, method and device |
| CN109774458A (en) * | 2017-11-15 | 2019-05-21 | 湖南中车时代电动汽车股份有限公司 | A kind of motor and controller cooling system and method |
| CN109774458B (en) * | 2017-11-15 | 2022-04-08 | 湖南中车时代电动汽车股份有限公司 | Motor and controller cooling system and method |
| CN108583473A (en) * | 2018-04-13 | 2018-09-28 | 桂林航天工业学院 | Intelligent mixed power automobile, fan cooling system and method |
| CN108583473B (en) * | 2018-04-13 | 2022-02-01 | 桂林航天工业学院 | Intelligent hybrid electric vehicle, fan cooling system and method |
| CN108696041A (en) * | 2018-06-13 | 2018-10-23 | 康富科技股份有限公司 | A kind of integral type self-circulating water cool electric machine |
| CN108696041B (en) * | 2018-06-13 | 2024-04-26 | 康富科技股份有限公司 | Integrated self-circulation water-cooled motor |
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Application publication date: 20140312 |
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