CN104079120A - Electric automobile water-cooled motor - Google Patents

Electric automobile water-cooled motor Download PDF

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Publication number
CN104079120A
CN104079120A CN201410343836.1A CN201410343836A CN104079120A CN 104079120 A CN104079120 A CN 104079120A CN 201410343836 A CN201410343836 A CN 201410343836A CN 104079120 A CN104079120 A CN 104079120A
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China
Prior art keywords
water
cooled
cooling
electric automobile
motor
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CN201410343836.1A
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CN104079120B (en
Inventor
解春慧
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Liuzhou Bona Automobile Technology Co. Ltd.
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解春慧
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/64Electric machine technologies in electromobility

Abstract

The invention discloses relates to the technical field of electric automobile accessories, and discloses an electric automobile water-cooled motor to solve the problems that an existing electric automobile water-cooled motor is poor in cooling effect, and energy sources are wasted. A water pump and a motor body of the electric automobile water-cooled motor share one rotating shaft, when the motor body operates, the rotating shaft can drive an impeller to rotate so as to form cold water circulation, the motor body is cooled, and when an automobile stops running, the motor does not heat any more, and water cooling does not need to be carried out. The structure can be simplified and energy consumption can be reduced through the structural form. An end cover and a shell of the motor are internally provided with cooling water channels, the motor body can be comprehensively cooled, the cooling effect is good, and the structure is reliable.

Description

A kind of electric automobile water-cooled machine
Technical field
The present invention relates to electric automobile accessory technical field, relate in particular to a kind of electric automobile water-cooled machine.
Background technology
Along with the worsening shortages of resource, the idea of energy-conserving and environment-protective does not continue deeply, and conventional gasoline car can not adapt to social development again, and electric automobile, as a kind of new energy motor, has its superior energy-conserving and environment-protective performance.Because electric automobile is at the outstanding advantage aspect energy-saving and environmental protection, make the research and extension of electric automobile become the focus of automobile industry in recent years.
The drive motors of electric automobile is all water-cooled machine or ventilated machine, and water-cooled machine mostly adopts an independent motor to drive to make cooling water circulation to water pump.Adopt an independent motor to drive to make cooling water circulation to water pump, such structure takes up room larger, and cost is high, has also increased car weight.
In addition, existing electric automobile water-cooled machine only arranges water pump in a side of motor, carries out cooling to motor, cooling effect is poor, especially in the time that motor running time is longer, the opposite side heating of motor is serious, has a strong impact on the useful life of motor and the normal operation of electric automobile.
Summary of the invention
One object of the present invention be to propose a kind of simple in structure, energy consumption is low and can realize comprehensively cooling electric automobile water-cooled machine.
A further object of the present invention is the electric automobile water-cooled machine that a kind of long operational time of proposition also can ensure its cooling effect.
An also object of the present invention is the electric automobile water-cooled machine that proposes a kind of reliable in structure, failure rate is low, long service life.
Another object of the present invention is to propose the low electric automobile water-cooled machine of a kind of noise.
For reaching this object, the present invention by the following technical solutions:
A kind of electric automobile water-cooled machine, comprise electric machine casing, be arranged at described electric machine casing two ends end cap, be arranged at stator and rotor assembly in described electric machine casing, one end of the rotating shaft of described rotor assembly is stretched out in the part of described end cap water pump is installed, described water pump comprises and is fixed on the pump shell on described end cap and is arranged at the impeller in described pump shell, described impeller is installed on described rotating shaft and stretches out in the part of described end cap, and described impeller can rotate with described rotating shaft;
Cooling water inlet and coolant outlet are set on described pump shell, are provided with the first cooling-water duct near in the end cap of described water pump, described cooling water inlet, described pump shell inner chamber, described the first cooling-water duct form the circulation circuit of cooling water.
Preferably, the part that described end cap is stretched out in described rotating shaft stretches out and is provided with connecting axle, and described connecting axle both sides are provided with clamping disk, and described impeller is installed between two described clamping disks.
Preferably, the diameter of described connecting axle is less than the diameter of described rotating shaft.
Preferably, be provided with the second cooling-water duct in described electric machine casing, described the second cooling-water duct is connected with described the first cooling-water duct.
Preferably, be provided with air inlet, air outlet and air-cooled passage in described electric machine casing, described air inlet, described air-cooled passage and described air outlet form air-cooled circulation circuit.
Preferably, described air outlet place is provided with ventilating fan.
Preferably, described air inlet is provided with filter screen.
Preferably, described air-cooled vias inner walls is provided with sound-absorbing material layer.
Beneficial effect of the present invention is:
Its water pump of electric automobile water-cooled machine provided by the invention and motor share a rotating shaft, in the time of motor rotation, rotating shaft can impeller be rotated, thereby form the circulation of cold water, motor is carried out cooling, and in the time that automobile is out of service, motor no longer generates heat, without carrying out water cooling, this version can simplified structure, reduces energy consumption;
In the end cap of motor and the housing of motor, be provided with cooling water channel, can carry out motor comprehensively cooling, good cooling results, reliable in structure;
In the housing of motor, be also provided with air-cooled passage, combine and motor is carried out cooling by air-cooled and water-cooled, further improved cooling effect;
At air inlet, place is provided with filter screen, places extraneous dust foreign matter and enters in air-cooled passage, effectively reduces the failure rate of motor, extends the useful life of motor;
Air-cooled vias inner walls is provided with sound-absorbing material layer, effectively reduces the work noise of motor, improves the quality of operational environment.
Brief description of the drawings
Fig. 1 is the structural representation of a kind of electric automobile water-cooled machine of providing of the embodiment of the present invention one;
Fig. 2 is the structural representation of a kind of electric automobile water-cooled machine of providing of the embodiment of the present invention two.
In figure, 1, electric machine casing; 11, the second cooling-water duct; 12, air inlet; 13, air outlet; 14, air-cooled passage; 2, end cap; 21, the first cooling-water duct; 3, stator; 4, rotor assembly; 41, rotating shaft; 42, connecting axle; 43, clamping disk; 5, water pump; 51, pump shell; 511, cooling water inlet; 512, coolant outlet; 52, impeller.
Embodiment
Further illustrate technical scheme of the present invention below in conjunction with accompanying drawing and by embodiment.
Embodiment mono-:
The present embodiment provides a kind of electric automobile water-cooled machine, and as shown in Figure 1, this water-cooled machine comprises electric machine casing 1, is arranged at the end cap 2 at electric machine casing 1 two ends, is arranged at stator 3 and rotor assembly 4 in electric machine casing 1.One end of the rotating shaft 41 of rotor assembly 4 is stretched out in the part of end cap 2 water pump 5 is installed.Water pump 5 comprises the pump shell 51 being fixed on end cap 2 and is arranged at the impeller 52 in pump shell 51, and impeller 52 is installed on rotating shaft 41 and stretches out in the part of end cap 2, and impeller 52 can rotate with rotating shaft 41.Preferably, the part that end cap 2 is stretched out in rotating shaft 41 stretches out and is provided with connecting axle 42, and connecting axle 42 both sides are provided with clamping disk 43, and impeller 52 is installed between two clamping disks 43.The diameter of connecting axle 42 is less than the diameter of rotating shaft 41.
Its water pump 5 of the electric automobile water-cooled machine that the present embodiment provides and motor share a rotating shaft 41, in the time of motor rotation, rotating shaft 41 can impeller 52 be rotated, thereby form the circulation of cold water, motor is carried out cooling, and in the time that automobile is out of service, motor no longer generates heat, without carrying out water cooling, this version can simplified structure, reduces energy consumption.
Cooling water inlet 511 and coolant outlet 512 are set on pump shell 51, are provided with the first cooling-water duct 21 near in the end cap 2 of water pump 5, cooling water inlet 511, pump shell 51 inner chambers, the first cooling-water duct 21 form the circulation circuit of cooling water.
As a kind of preferred embodiment, in electric machine casing 1, be provided with the second cooling-water duct 11, the second cooling-water ducts 11 and be connected with the first cooling-water duct 21.By at end cap 2 and the interior cooling water channel that arranges of electric machine casing 1, can carry out motor comprehensively cooling, good cooling results, reliable in structure.
Embodiment bis-:
The present embodiment provides a kind of electric automobile water-cooled machine, and its structure and embodiment mono-are basic identical, and as shown in Figure 2, it comprises electric machine casing 1, is arranged at the end cap 2 at electric machine casing 1 two ends, is arranged at stator 3 and rotor assembly 4 in electric machine casing 1.One end of the rotating shaft 41 of rotor assembly 4 is stretched out in the part of end cap 2 water pump 5 is installed.
Difference is, the present embodiment is also provided with air inlet 12, air outlet 13 and air-cooled passage 14 in electric machine casing 1, and air inlet 12, air-cooled passage 14 and air outlet 13 form air-cooled circulation circuit.Air outlet 13 places are provided with ventilating fan (not shown).Combine and motor is carried out cooling by air-cooled and water-cooled, further improved cooling effect
As a kind of optimal way, at air inlet, 12 places are provided with filter screen (not shown), place extraneous dust foreign matter and enter in air-cooled passage, effectively reduce the failure rate of motor, extend the useful life of motor.
As a kind of optimal way, air-cooled passage 14 inwalls are provided with sound-absorbing material layer (not shown), effectively reduce the work noise of motor, improve the quality of operational environment.
Know-why of the present invention has below been described in conjunction with specific embodiments.These are described is in order to explain principle of the present invention, and can not be interpreted as by any way limiting the scope of the invention.Based on explanation herein, those skilled in the art does not need to pay performing creative labour can associate other embodiment of the present invention, within these modes all will fall into protection scope of the present invention.

Claims (8)

1. an electric automobile water-cooled machine, comprise electric machine casing (1), be arranged at the end cap (2) at described electric machine casing (1) two ends, be arranged at stator (3) and rotor assembly (4) in described electric machine casing (1), it is characterized in that: one end of the rotating shaft (41) of described rotor assembly (4) is stretched out in the part of described end cap (2) water pump (5) is installed, described water pump (5) comprises the pump shell (51) being fixed on described end cap (2) and is arranged at the impeller (52) in described pump shell (51), described impeller (52) is installed on described rotating shaft (41) and stretches out in the part of described end cap (2), described impeller (52) can rotate with described rotating shaft (41),
Cooling water inlet (511) and coolant outlet (512) are set on described pump shell (51), be provided with the first cooling-water duct (21) near in the end cap (2) of described water pump (5), described cooling water inlet (511), described pump shell (51) inner chamber, described the first cooling-water duct (21) form the circulation circuit of cooling water.
2. a kind of electric automobile water-cooled machine according to claim 1, it is characterized in that: the part that described end cap (2) is stretched out in described rotating shaft (41) stretches out and is provided with connecting axle (42), described connecting axle (42) both sides are provided with clamping disk (43), and described impeller (52) is installed between two described clamping disks (43).
3. a kind of electric automobile water-cooled machine according to claim 2, is characterized in that: the diameter of described connecting axle (42) is less than the diameter of described rotating shaft (41).
4. a kind of electric automobile water-cooled machine according to claim 1, is characterized in that: in described electric machine casing (1), be provided with the second cooling-water duct (11), described the second cooling-water duct (11) is connected with described the first cooling-water duct (21).
5. according to a kind of electric automobile water-cooled machine described in claim 1 to 4 any one, it is characterized in that: in described electric machine casing (1), be provided with air inlet (12), air outlet (13) and air-cooled passage (14), described air inlet (12), described air-cooled passage (14) and described air outlet (13) form air-cooled circulation circuit.
6. a kind of electric automobile water-cooled machine according to claim 5, is characterized in that: described air outlet (13) locates to be provided with ventilating fan.
7. a kind of electric automobile water-cooled machine according to claim 5, is characterized in that: described air inlet (12) is provided with filter screen.
8. a kind of electric automobile water-cooled machine according to claim 5, is characterized in that: described air-cooled passage (14) inwall is provided with sound-absorbing material layer.
CN201410343836.1A 2014-07-19 2014-07-19 Electric automobile water-cooled motor Active CN104079120B (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104853567A (en) * 2015-05-04 2015-08-19 遵义天义利威机电有限责任公司 Self-cooling sealed controller
CN106160314A (en) * 2015-04-01 2016-11-23 大陆汽车投资(上海)有限公司 Motor for Electric Automobile and stator thereof
CN106329830A (en) * 2015-06-25 2017-01-11 泰荣动力科技股份有限公司 Water-cooled type motor apparatus
CN106941297A (en) * 2017-03-22 2017-07-11 安徽易威斯新能源科技股份有限公司 A kind of electric automobile automobile drive electric motor
CN107919761A (en) * 2017-12-21 2018-04-17 傅皓衍 A kind of noise reduction heat radiating type motor
CN113078774A (en) * 2021-02-24 2021-07-06 爱驰汽车(上海)有限公司 Cooling structure and driving device
CN113098183A (en) * 2021-04-27 2021-07-09 河南科技大学 In-wheel motor and in-wheel motor cooling system
CN116498570A (en) * 2023-06-28 2023-07-28 江苏凯峰泵阀有限公司 Self-heat-dissipation type circulating centrifugal pump

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05219687A (en) * 1992-02-05 1993-08-27 Yazaki Corp Canned motor pump
JPH08214475A (en) * 1995-02-02 1996-08-20 Aisan Ind Co Ltd Motor-operated water pump
CN201303278Y (en) * 2008-11-07 2009-09-02 上海东方泵业(集团)有限公司 Cooling device for inline pump of water-cooled machine
CN102290923A (en) * 2011-07-26 2011-12-21 中国石油大学(华东) Submarine motor cooling method and device
RU2477814C2 (en) * 2010-09-17 2013-03-20 Геннадий Александрович Бишутин Electric pump
CN204046357U (en) * 2014-07-19 2014-12-24 李东文 A kind of electric automobile water-cooled machine

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05219687A (en) * 1992-02-05 1993-08-27 Yazaki Corp Canned motor pump
JPH08214475A (en) * 1995-02-02 1996-08-20 Aisan Ind Co Ltd Motor-operated water pump
CN201303278Y (en) * 2008-11-07 2009-09-02 上海东方泵业(集团)有限公司 Cooling device for inline pump of water-cooled machine
RU2477814C2 (en) * 2010-09-17 2013-03-20 Геннадий Александрович Бишутин Electric pump
CN102290923A (en) * 2011-07-26 2011-12-21 中国石油大学(华东) Submarine motor cooling method and device
CN204046357U (en) * 2014-07-19 2014-12-24 李东文 A kind of electric automobile water-cooled machine

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106160314A (en) * 2015-04-01 2016-11-23 大陆汽车投资(上海)有限公司 Motor for Electric Automobile and stator thereof
CN104853567A (en) * 2015-05-04 2015-08-19 遵义天义利威机电有限责任公司 Self-cooling sealed controller
CN104853567B (en) * 2015-05-04 2017-05-17 遵义天义利威机电有限责任公司 Self-cooling sealed controller
CN106329830A (en) * 2015-06-25 2017-01-11 泰荣动力科技股份有限公司 Water-cooled type motor apparatus
CN106941297A (en) * 2017-03-22 2017-07-11 安徽易威斯新能源科技股份有限公司 A kind of electric automobile automobile drive electric motor
CN107919761A (en) * 2017-12-21 2018-04-17 傅皓衍 A kind of noise reduction heat radiating type motor
CN113078774A (en) * 2021-02-24 2021-07-06 爱驰汽车(上海)有限公司 Cooling structure and driving device
CN113098183A (en) * 2021-04-27 2021-07-09 河南科技大学 In-wheel motor and in-wheel motor cooling system
CN116498570A (en) * 2023-06-28 2023-07-28 江苏凯峰泵阀有限公司 Self-heat-dissipation type circulating centrifugal pump
CN116498570B (en) * 2023-06-28 2023-09-22 江苏凯峰泵阀有限公司 Self-heat-dissipation type circulating centrifugal pump

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Inventor after: Zhang Bin

Inventor before: Jie Chunhui

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Effective date of registration: 20170117

Address after: 545006 the Guangxi Zhuang Autonomous Region hi tech Road, No. 1, No. 15, information industry park, building B2-21, B, Liuzhou

Applicant after: Liuzhou Bona Automobile Technology Co. Ltd.

Address before: 075000 Zhangjiakou province Hebei City Qiaoxi District Hsinying square No. 1 Building 3 unit 302 room

Applicant before: Jie Chunhui

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