CN103368330A - Automobile and cooling device of automobile driving motor - Google Patents
Automobile and cooling device of automobile driving motor Download PDFInfo
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- CN103368330A CN103368330A CN2012100914846A CN201210091484A CN103368330A CN 103368330 A CN103368330 A CN 103368330A CN 2012100914846 A CN2012100914846 A CN 2012100914846A CN 201210091484 A CN201210091484 A CN 201210091484A CN 103368330 A CN103368330 A CN 103368330A
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- cooling duct
- cooling device
- inner casing
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Abstract
The invention discloses a cooling device of a driving motor. The cooling device comprises an inner shell (6) and an outer shell (4), wherein the inner shell (6) is used for being sleeved outside the driving motor; the outer shell (4) is sleeved on the inner shell (6), and a plurality of cooling channels which surround the circumferential surface of the inner shell are arranged between the inner shell (6) and the outer shell (4); and the circulation direction of a cooling liquid in at least one of the plurality of cooling channels is opposite to the circulation direction of the cooling liquid in other cooling channels. The structural design of the cooling device of the driving motor can effectively solve a problem that the cooling effect of the driving motor is not uniform. The invention further discloses an automobile provided with the cooling device of the driving motor.
Description
Technical field
The present invention relates to technical field of vehicle manufacture, relate in particular to a kind of cooling device of drive motors, the invention still further relates to a kind of automobile with cooling device of above-mentioned drive motors.
Background technology
In recent years, day by day serious along with energy crisis in the world wide and problem of environmental pollution, people also improve gradually to the requirement of automotive energy-saving emission-reducing.Pure electric automobile has been subject to people with its low noise, the characteristics that pollution-free, energy source is diversified, energy efficiency is high and has more and more paid close attention to, thereby has promoted the accelerated development of pure electric automobile.
In the structural design of pure electric automobile, drive motors is one of core component of pure electric automobile, and in the process of using, the temperature of drive motors can raise gradually, can affect the service behaviour of drive motors when serious, be very necessary so drive motors is cooled off.In the prior art, as shown in Figure 1, the cooling device of drive motors generally comprises: the shell and the inner casing 01 that are set in the drive motors outside, wherein be furnished with spiral helicine cooling duct 02 between inner casing and the shell, and the inlet of cooling duct and liquid outlet are separately positioned on the two ends of this device, cooling fluid enters this device from inlet like this, finally discharges from liquid outlet after the circulation in the cooling duct, with this drive motors is cooled off.
But, what the cooling device of above-mentioned drive motors adopted is the single cycle cooling duct, in the process of cooling off, cooling fluid enters that the temperature along with one-way circulation self can raise gradually behind the cooling duct, cause the temperature difference of cooling fluid of inlet and liquid outlet larger, there is temperature gradient in cooling fluid on the axial direction of drive motors, has affected the cooling effect of drive motors, and especially the cooling effect of liquid outlet one side is relatively poor.So the shortcoming of the cooling device of drive motors of the prior art is that the cooling effect of drive motors is inhomogeneous, the cooling effect of the part of the liquid outlet of close cooling device is relatively poor.
In sum, how to provide a kind of cooling device of drive motors, thereby the inhomogeneous problem of the cooling effect that makes it effectively solve drive motors is present those skilled in the art's urgent problem.
Summary of the invention
In view of this, first purpose of the present invention is to provide a kind of cooling device of drive motors, the structural design of the cooling device of this drive motors can solve the inhomogeneous problem of cooling effect of drive motors effectively, and second purpose of the present invention provides a kind of automobile that comprises the cooling device of above-mentioned drive motors.
In order to reach above-mentioned first purpose, the invention provides a kind of cooling device of drive motors, comprising: the inner casing that is used for being set in described drive motors outside; With the shell that is set on the described inner casing, and be furnished with cooling duct around described inner casing side face between described inner casing and the shell; The quantity of described cooling duct is many, and the circulating direction of the cooling fluid in the circulating direction that has a cooling fluid in the cooling duct in described many cooling ducts at least and other cooling ducts is opposite.
Preferably, in the cooling device of above-mentioned drive motors, described cooling duct is specially helical form.
Preferably, in the cooling device of above-mentioned drive motors, the pitch of described cooling duct all equates.
Preferably, in the cooling device of above-mentioned drive motors, the quantity of described cooling duct is specially two, is respectively the first cooling duct and the second cooling duct.
Preferably, in the cooling device of above-mentioned drive motors, the inlet of the inlet of described the first cooling duct and the second cooling duct is arranged on the same side of this cooling device.
Preferably, in the cooling device of above-mentioned drive motors, the liquid outlet of the liquid outlet of described the first cooling duct and the second cooling duct all is arranged on a relative side of the inlet of the inlet of the first cooling duct and the second cooling duct.
Preferably, in the cooling device of above-mentioned drive motors, described cooling duct is specifically by described inner casing, shell be arranged at described inner casing and cooperate with fuisw rib between the shell and form.
Preferably, in the cooling device of above-mentioned drive motors, described fuisw rib is connected with inner casing with described shell by welding.
Preferably, in the cooling device of above-mentioned drive motors, further comprise the two ends that are arranged at respectively described inner casing and shell and the first end cap and the second end cap that all are sealed and matched with described inner casing and shell.
A kind of automobile comprises the cooling device of above-mentioned each described drive motors.
The cooling device of drive motors provided by the invention comprises: the inner casing that is used for being set in described drive motors outside; With the shell that is set on the described inner casing, and be furnished with cooling duct around described inner casing side face between described inner casing and the shell, described cooling duct has the inlet that is connected with feed tube and the liquid outlet that is connected with drain pipe; The quantity of described cooling duct is many, and the circulating direction of the cooling fluid in the circulating direction that has a cooling fluid in the cooling duct in described many cooling ducts in described many cooling ducts at least and other cooling ducts is opposite.
When stating in the use the cooling device of drive motors, cooling fluid enters in the cooling duct from inlet, drive motors is cooled off with realization in the cooling duct internal flow, finally flows out from liquid outlet.Owing between inner casing and shell, being provided with many cooling ducts in this device, and the circulating direction of the cooling fluid in the circulating direction that has a cooling fluid in the cooling duct at least in many cooling ducts and other the cooling duct is opposite, namely when the quantity of cooling duct is specially two, then the circulating direction of the cooling fluid in these two cooling ducts is opposite, when the quantity of cooling duct is two when above, then there is the circulating direction of the cooling fluid in the one or more of cooling ducts opposite with the circulating direction of the cooling fluid of other cooling ducts.Cooling fluid in the cooling duct that circulating direction is opposite like this forms relative adverse current, and the temperature of the liquid in the relative cooling duct of circulating direction in this device is balance mutually, jointly drive motors is cooled off, so that cooling effect is more even.
In order to reach above-mentioned second purpose, the present invention also provides a kind of automobile, and this automobile comprises the cooling device of above-mentioned any drive motors.Because the cooling device of above-mentioned drive motors has above-mentioned technique effect, the automobile with cooling device of this drive motors also should have corresponding technique effect.
In sum, the cooling device of drive motors provided by the present invention can solve the inhomogeneous problem of cooling effect of drive motors effectively.
Description of drawings
In order to be illustrated more clearly in the technical scheme among the present invention, employed accompanying drawing was done simple the introduction during the below will describe embodiment, apparently, accompanying drawing in the following describes only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of a kind of cooling device of drive motors in the prior art;
The structural representation of the cooling device of the drive motors that provides in the embodiment of the invention is provided Fig. 2;
The structural representation of the inside of the cooling device of the drive motors that Fig. 3 provides for the embodiment of the invention;
The profile of the cooling device of the drive motors that Fig. 4 provides for the embodiment of the invention.
Mark is as follows in the accompanying drawing:
01-inner casing, 02-cooling duct;
1-feed tube, 2-the second end cap, 3-drain pipe, 4-shell, 5-the first end cap, 6-inner casing, 7-fuisw rib, 8-the first cooling duct, 9-the second cooling duct.
Embodiment
In order further to understand the present invention, below in conjunction with embodiment the preferred embodiment for the present invention is described, but should be appreciated that these describe just in order to further specify the features and advantages of the present invention, rather than to the restriction of claim of the present invention.
First purpose of the present invention is to provide a kind of cooling device of drive motors, the structural design of the cooling device of this drive motors can solve the cooling effect problem of non-uniform of drive motors effectively, and second purpose of the present invention provides a kind of automobile that comprises the cooling device of above-mentioned drive motors.
Below in conjunction with the accompanying drawing in the embodiment of the invention, the scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making all other embodiment that obtain under the creative work prerequisite.
Shown in Fig. 2 and 3, the cooling device of the drive motors that the embodiment of the invention provides comprises: the inner casing 6 that is used for being set in the drive motors outside; With the shell 4 that is set on the described inner casing 6, and be furnished with the cooling duct between inner casing 6 and the shell 4, wherein the purpose of cooling can be played around the inner casing side face in the cooling duct, and the cooling duct has the inlet that is connected with feed tube 1 and the liquid outlet that is connected with drain pipe 3.In addition, the quantity of cooling duct is many, and the circulating direction of the cooling fluid in the circulating direction that has a cooling fluid in the cooling duct in many cooling ducts at least and other cooling ducts is opposite.Namely when the quantity of cooling duct is specially two, then the circulating direction of the cooling fluid in these two cooling ducts is opposite, when the quantity of cooling duct is two when above, then there is the circulating direction of the cooling fluid in the one or more of cooling ducts opposite with the circulating direction of the cooling fluid of other cooling ducts.
When stating in the use the cooling device of drive motors, cooling fluid enters in the cooling duct from inlet 1, drive motors is cooled off with realization in the cooling duct internal flow, finally flows out from liquid outlet 3.Owing between inner casing 6 and shell 4, being provided with many cooling ducts in this device, and the circulating direction of the cooling fluid in the circulating direction that has a cooling fluid in the cooling duct at least in many cooling ducts and other cooling ducts is opposite, cooling fluid in the cooling duct of circulate among opposite direction forms relative adverse current, the temperature of the liquid in the cooling duct that the circulating direction in this device is relative like this is balance mutually, jointly drive motors is cooled off, so that cooling effect is more even.
Wherein, in order to make the cooling duct distribute more even at the side face of inner casing 6, can be set to helical form in the cooling duct, cooling fluid time of circulating in the cooling duct is longer like this, cooling effect is more obvious, wherein in order to simplify the manufacture craft of this device, spiral helicine cooling duct uniform pitch can be arranged, also can make the cooling effect of cooling duct more even so simultaneously.Certainly the alternate manner setting can also be adopted in the cooling duct, arrange many from the straight cooling duct of the end to end of this cooling device such as the side face along inner casing, and the circulating direction of the cooling fluid in the circulating direction of the cooling fluid in every straight cooling duct and the cooling duct that is adjacent is opposite.
In order further to optimize technique scheme, as shown in Figure 4, in the cooling device of above-mentioned drive motors, in order to simplify the structure of this device, two cooling ducts can only be set, be respectively the first cooling duct 8 and the second cooling duct 9, the circulating direction of the cooling fluid in such the first cooling duct 8 is opposite with the circulating direction of the cooling fluid in the second cooling duct 9, when cooling off, local location at this cooling device, the very long distance if the cooling fluid in the first cooling duct 8 of this position has circulated in this cooling duct, temperature is higher, the temperature of the cooling fluid in the second cooling duct 9 of this position is just relatively low so, thus the cooling fluid acting in conjunction in the cooling fluid in the first cooling duct 8 and the second cooling duct 9, so that cooling effect is more even.
In order further to optimize technique scheme, in the cooling device of above-mentioned drive motors, as shown in Figure 2, in order more to simplify the structure of this cooling device, the inlet of the inlet of the first cooling duct 8 and the second cooling duct 9 can be arranged on the same side of this cooling device, that feed tube 1 can be arranged like this is more succinct, namely only needs in the same side of this cooling device feed tube 1 to be set.Wherein, also the liquid outlet of the liquid outlet of the first cooling duct 8 and the second cooling duct 9 all can be arranged on the offside of described inlet, same only the need arrange drain pipe 3 at the offside of feed tube 1, so that a whole set of cooling device is simpler.Can certainly adopt the alternate manner setting, be not construed as limiting at this.
In order further to optimize technique scheme, in the cooling device of above-mentioned drive motors, the cooling duct specifically can and be arranged at inner casing 6 by inner casing 6, shell 4 and cooperate with fuisw rib 7 between the shell 4 and form, wherein fuisw rib 7 is arranged in the space between inner casing 6 and the shell 4, and all is tightly connected between fuisw rib 7 and inner casing 6 and the shell 4.
Wherein, for make between fuisw rib 7 and shell 4 and the inner casing 6 be connected simpler, can be with fuisw rib 7 and shell 4 and inner casing 6 all by being weldingly connected.In addition, more obvious and reduce the cost of this device in order to make cooling effect, the shell of the drive motors inner casing 6 as this cooling device can be used.
In order further to optimize technique scheme, in the cooling device of above-mentioned drive motors, can also the first end cap 5 and the second end cap 2 that all is sealed and matched with inner casing 6 and shell 4 be set at the two ends of inner casing 6 and shell 4, can avoid like this dust to enter this cooling device from two ends, to have guaranteed the cleaning of this cooling device.
Based on the cooling device of the drive motors that provides in above-described embodiment, the present invention also provides a kind of automobile, and this automobile comprises the cooling device of above-mentioned any one drive motors.Because this automobile has adopted the cooling device of the drive motors in above-described embodiment, so the beneficial effect of this automobile please refer to above-described embodiment.
Should be pointed out that for those skilled in the art, under the premise of not departing from the present invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection range of claim of the present invention.
To the above-mentioned explanation of the disclosed embodiments, this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be apparent concerning those skilled in the art, and General Principle as defined herein can be in the situation that do not break away from the spirit or scope of the present invention, in other embodiments realization.Therefore, the present invention can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. the cooling device of a drive motors comprises:
Be used for being set in the inner casing (6) of described drive motors outside; With the shell (4) that is set on the described inner casing (6), and be furnished with cooling duct around described inner casing side face between described inner casing (6) and the shell (4);
It is characterized in that, the quantity of described cooling duct is many, and the circulating direction of the cooling fluid in the circulating direction that has a cooling fluid in the cooling duct in described many cooling ducts at least and other cooling ducts is opposite.
2. the cooling device of drive motors according to claim 1 is characterized in that, described cooling duct is specially helical form.
3. the cooling device of drive motors according to claim 2 is characterized in that, the pitch of described cooling duct all equates.
4. the cooling device of drive motors according to claim 3 is characterized in that, the quantity of described cooling duct is specially two, is respectively the first cooling duct (8) and the second cooling duct (9).
5. the cooling device of drive motors according to claim 4 is characterized in that, the inlet of the inlet of described the first cooling duct (8) and the second cooling duct (9) is arranged on the same side of this cooling device.
6. the cooling device of drive motors according to claim 5, it is characterized in that, the liquid outlet of the liquid outlet of described the first cooling duct (8) and the second cooling duct (9) all is arranged on a relative side of the inlet of the inlet of the first cooling duct (8) and the second cooling duct (9).
7. the cooling device of drive motors according to claim 1 is characterized in that, described cooling duct is specifically by described inner casing (6), shell (4) be arranged at described inner casing and cooperate with fuisw rib (7) between the shell and form.
8. the cooling device of drive motors according to claim 7 is characterized in that, described fuisw rib (7) is connected 6 with described shell (4) with inner casing by welding) be connected.
9. the cooling device of drive motors according to claim 1, it is characterized in that, further comprise the two ends that are arranged at respectively described inner casing (6) and shell (4) and the first end cap (5) and the second end cap (2) that all are sealed and matched with described inner casing and shell.
10. an automobile is characterized in that, comprises the cooling device such as each described drive motors in the claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210091484.6A CN103368330B (en) | 2012-03-30 | 2012-03-30 | The cooling device of automobile and drive motors thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210091484.6A CN103368330B (en) | 2012-03-30 | 2012-03-30 | The cooling device of automobile and drive motors thereof |
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| CN103368330A true CN103368330A (en) | 2013-10-23 |
| CN103368330B CN103368330B (en) | 2016-05-04 |
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| CN201210091484.6A Active CN103368330B (en) | 2012-03-30 | 2012-03-30 | The cooling device of automobile and drive motors thereof |
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| CN106849466A (en) * | 2016-12-13 | 2017-06-13 | 高邮市高农机械配件有限公司 | The built-in cooling water channel structure of onboard power electric machine casing and encapsulating method |
| CN107284210A (en) * | 2017-06-27 | 2017-10-24 | 江苏银基烯碳能源科技有限公司 | A kind of dynamical system cooling structure |
| CN108074893A (en) * | 2016-11-07 | 2018-05-25 | 比亚迪股份有限公司 | Radiator and heat sink assembly |
| CN108667217A (en) * | 2018-05-11 | 2018-10-16 | 湘潭大学 | A kind of axial single slot is double L-shaped and runner reverse flow permanent magnet synchronous motor cooling system |
| CN110022018A (en) * | 2017-12-22 | 2019-07-16 | 本田技研工业株式会社 | Rotating electric machine |
| CN111435802A (en) * | 2019-01-15 | 2020-07-21 | 乔治费歇尔金属成型科技股份公司 | Cooling housing |
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Cited By (7)
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| CN110022018A (en) * | 2017-12-22 | 2019-07-16 | 本田技研工业株式会社 | Rotating electric machine |
| CN108667217A (en) * | 2018-05-11 | 2018-10-16 | 湘潭大学 | A kind of axial single slot is double L-shaped and runner reverse flow permanent magnet synchronous motor cooling system |
| CN111435802A (en) * | 2019-01-15 | 2020-07-21 | 乔治费歇尔金属成型科技股份公司 | Cooling housing |
| CN111435802B (en) * | 2019-01-15 | 2023-10-20 | 乔治费歇尔金属成型科技股份公司 | Cooling shell |
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|---|---|
| CN103368330B (en) | 2016-05-04 |
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Application publication date: 20131023 Assignee: CHONGQING CHANGAN NEW ENERGY AUTOMOBILE TECHNOLOGY Co.,Ltd. Assignor: Chongqing Changan Automobile Co.,Ltd.|CHONGQING CHANG'AN NEW ENERGY AUTOMOBILE Co.,Ltd. Contract record no.: 2018500000022 Denomination of invention: Automobile and cooling device of automobile driving motor Granted publication date: 20160504 License type: Exclusive License Record date: 20181130 |
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Effective date of registration: 20190103 Address after: 401133 room 208, 2 house, 39 Yonghe Road, Yu Zui Town, Jiangbei District, Chongqing Patentee after: CHONGQING CHANGAN NEW ENERGY AUTOMOBILE TECHNOLOGY Co.,Ltd. Address before: 400023, No. 260, Jianxin East Road, Jiangbei District, Chongqing Co-patentee before: CHONGQING CHANG'AN NEW ENERGY AUTOMOBILE Co.,Ltd. Patentee before: Chongqing Changan Automobile Co.,Ltd. |
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Address after: 401133 room 208, 2 house, 39 Yonghe Road, Yu Zui Town, Jiangbei District, Chongqing Patentee after: Deep Blue Automotive Technology Co.,Ltd. Address before: 401133 room 208, 2 house, 39 Yonghe Road, Yu Zui Town, Jiangbei District, Chongqing Patentee before: CHONGQING CHANGAN NEW ENERGY AUTOMOBILE TECHNOLOGY Co.,Ltd. |
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