CN206542293U - Motor drive assembly and electric automobile - Google Patents
Motor drive assembly and electric automobile Download PDFInfo
- Publication number
- CN206542293U CN206542293U CN201720277034.4U CN201720277034U CN206542293U CN 206542293 U CN206542293 U CN 206542293U CN 201720277034 U CN201720277034 U CN 201720277034U CN 206542293 U CN206542293 U CN 206542293U
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- China
- Prior art keywords
- coil pipe
- motor drive
- drive assembly
- housing
- stator winding
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- 238000001816 cooling Methods 0.000 claims abstract description 46
- 238000004804 winding Methods 0.000 claims abstract description 42
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000002349 favourable effect Effects 0.000 abstract 1
- 239000002826 coolant Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000000498 cooling water Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 230000000116 mitigating effect Effects 0.000 description 2
- 230000004323 axial length Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Motor Or Generator Cooling System (AREA)
Abstract
The utility model provides a motor drive assembly and electric automobile. The motor drive assembly includes: a housing, and disposed within the housing: the motor rotor is fixed with the shell through bearings at two ends of the motor rotor; the stator winding is sleeved outside the motor rotor; the cooling assembly is sleeved outside the stator winding and is in contact with the outer surface of the stator winding; a controller in contact with the cooling assembly. The utility model discloses in the motor drive assembly, one set of cooling system of motor part's stator winding and controller sharing for whole assembly compact structure is favorable to alleviateing weight, reduction in production cost and the improvement cooling efficiency of whole assembly.
Description
Technical field
The utility model is related to electric automobile manufacture field, more particularly to a kind of motor drive assembly and electric automobile.
Background technology
Along with scientific and technological progress with rapid changepl. never-ending changes and improvements, people have become to the pursuit of quality of life also more and more higher, automobile
The essential vehicles of people's go off daily, people are to the requirement of the comfortableness of automobile, security, economy and the feature of environmental protection
It is more and more fastidious.
As petroleum-based energy reserves are constantly consumed and problem of environmental pollution constantly aggravates, electric automobile is used as one kind
The few vehicles of energy variation, disposal of pollutants, certainly will turn into the main flow of automotive development in the near future, have replacement to pass greatly
The trend of system fuel vehicle.
Electric drive system is as the core key part of electric automobile, and the quality of its performance directly influences the maneuverability of vehicle
Can, and compact conformation, the low main performance index of lightweight, temperature rise will certainly turn into the trend that electric drive system is tackled key problems, wherein, temperature
Whether the height risen directly affects vehicle can normal work.
At present, traditional new-energy automobile driving system structure is all that controller is arranged on motor, simply
Fit together, a set of cooling system is respectively adopted, such structure causes whole system to have structural redundancy, heaviness, cooling
The low shortcoming of efficiency, also results in Material Cost height, processed complex.
Utility model content
In order to overcome, the structure that electric drive system separation design is brought in the prior art is too fat to move, cooling effectiveness is low, material
The technical problem of cost height and processed complex, the utility model provides a kind of motor drive assembly and electric automobile.
In order to solve the above-mentioned technical problem, the utility model is adopted the following technical scheme that:
The utility model provides a kind of motor drive assembly, including:
Set in housing, and the housing:
Rotor, is fixed by the bearing and the housing at its two ends;
Stator winding, is sheathed on the outside of the rotor;
Cooling unit, is sheathed on the outside of the stator winding, and contact with the outer surface of the stator winding;
Controller, is contacted with the cooling unit.
Furthermore, it is understood that in described motor drive assembly, the housing includes drive end bearing bracket and rear end cap;
One end of the rotor is engaged by bearing with the drive end bearing bracket, and protrudes from institute by the drive end bearing bracket
State the outside of housing;
The other end of the rotor is engaged by bearing with the rear end cap.
Furthermore, it is understood that in described motor drive assembly, the cooling unit includes:
Interconnected circumferential coil pipe and horizontal coil pipe;
Periphery disk of the circumferential coil pipe along the stator winding is set as cylinder, and the stator winding stretches into the circumferential disc
In the cylinder that pipe is surrounded, the circumferential coil pipe is contacted with the outer surface of the stator winding;
The controller contacts setting with the surface of the horizontal coil pipe.
Furthermore, it is understood that in described motor drive assembly,
It is provided with the circumferential coil pipe in delivery port, the horizontal coil pipe and is provided with water inlet.
Furthermore, it is understood that in described motor drive assembly, the cooling unit also includes:Heat collector, including above connect
Contacting surface and lower contact surface;
The upper contact surface coordinates with the horizontal coil pipe to be contacted, and the lower contact surface coordinates with the circumferential coil pipe to be connect
Touch.
Furthermore, it is understood that in described motor drive assembly, the upper contact surface includes the groove of a plurality of parallel arranged, institute
The single tube stated in horizontal coil pipe enters in a groove on the upper contact surface;
The lower contact surface is an arcwall face, is engaged with the periphery of the circumferential coil pipe.
Furthermore, it is understood that in described motor drive assembly, the delivery port is arranged at the bottom of the housing, it is described enter
The mouth of a river is arranged at the side of the housing;
The delivery port and the water inlet protrude from the surface of the housing.
Furthermore, it is understood that in described motor drive assembly, the horizontal coil pipe is located at the top of the circumferential coil pipe, institute
State the top that controller is located at the horizontal coil pipe.
Furthermore, it is understood that in described motor drive assembly, the drive end bearing bracket and the rear end cap by bolt with it is described
Housing is fixed.
The utility model additionally provides a kind of electric automobile, including above-mentioned motor drive assembly.
The beneficial effects of the utility model are:In the motor drive assembly of the utility model embodiment, motor part is determined
Sub- winding and controller share a set of cooling system so that whole assembly structure is compact, be conducive to mitigating the weight of whole assembly,
Reduce production cost and improve cooling effectiveness.
Brief description of the drawings
Fig. 1 represents the surface structure schematic diagram of motor drive assembly in the utility model embodiment;
Fig. 2 represents the structural blast schematic diagram of motor drive assembly in the utility model embodiment;
Fig. 3 represents one of structural representation of cooling unit of motor drive assembly in the utility model embodiment;
Fig. 4 represents two of the structural representation of the cooling unit of motor drive assembly in the utility model embodiment;
Fig. 5 represents the structural representation of the heat collector of cooling unit in the utility model embodiment.
Embodiment
To make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing and specific implementation
The utility model is described in detail example.
Shown referring to Figures 1 and 2, the utility model provides a kind of motor drive assembly, including:Housing 1.In housing 1
It is provided with rotor 2, stator winding 3, cooling unit 4 and controller 5.Bearing and housing 1 that rotor 2 passes through its two ends
It is fixed;Stator winding 3 is sheathed on the outside of rotor 2;Cooling unit 4 is sheathed on the outside of stator winding 3, and with stator around
The outer surface contact of group 3;Controller 5 is contacted with cooling unit 4.
In the motor drive assembly of the utility model embodiment, rotor 2, stator winding 3 and cooling unit 4 cover layer by layer
If setting, the arrangement space of device can be greatlyd save, it is to avoid structural redundancy, it is heavy the problem of.Meanwhile, 4 sets of cooling unit
Contacted located at the outside of stator winding 3, and with the outer surface of stator winding 3, the major part on the surface of stator winding 3 can be taken away
Heat, so as to ensure that stator winding 3 is in higher radiating efficiency.In addition, controller 5 is contacted with cooling unit 4, with stator around
Group 3 shares a cooling unit 4 and radiated, while radiating effect is ensured, it is ensured that the structure of motor drive assembly
It is compact, be conducive to the weight of mitigation motor drive assembly, reduction production cost low and improve cooling effectiveness.
The setting form of housing 1 is introduced by following examples.
Wherein, the housing 1 of integral forming can ensure the structural compactness and globality of whole motor drive assembly.Shell
Body 1 includes drive end bearing bracket 11 and rear end cap 12;One end of rotor 2 is engaged by bearing with drive end bearing bracket 11, and by front end
Lid 11 protrudes from the outside of housing 1;The other end of rotor 2 is engaged by bearing with rear end cap 12.
Furthermore, it is understood that drive end bearing bracket 11 and rear end cap 12 can ensure to form the two ends of housing 1 for removing and installing or
The passage of person's debugging.Meanwhile, drive end bearing bracket 11 and rear end cap 12 are fixed by bolt with housing 1, are torn open between convenient and housing 1
Unload.
In order that obtaining the outside output torque of output shaft of the rotor 2 of motor, open up logical on the drive end bearing bracket 11 of housing 1
Hole.After rotor 2 is fixed by bearing and drive end bearing bracket 11, the shaft extension for having one section of rotor 2 goes out the outside of housing 1, shape
Paired outer output shaft.
The setting form between cooling unit 4 and miscellaneous part is introduced in the present embodiment.
Generally speaking, cooling unit 4 is sheathed on the outer surface of stator winding 3, and the contact of stator winding 3 is arranged at cooling
The top of assembly 4.Stator winding 3 is the circumferential part of coil pipe 41 with the contact portion of cooling unit 4
Specifically, cooling unit 4 includes:Interconnected circumferential coil pipe 41 and horizontal coil pipe 42.The circumferential He of coil pipe 41
The water channel connection of horizontal coil pipe 42, coolant can flow between circumferential coil pipe 41 and horizontal coil pipe 42, form an entirety
Heat dissipation pipeline.
Wherein, periphery disk of the circumferential coil pipe 41 along stator winding 3 is set as cylinder, and stator winding 3 stretches into circumferential coil pipe 41 and enclosed
Into cylinder in, circumferential coil pipe 41 is contacted with the outer surface of stator winding 3.Wherein, circumferential coil pipe 41 is by cooling tube spiral surrounding
Arrangement, then forms the structure similar to helical spring with certain length.The axial length of circumferential coil pipe 41 needs matching
The length of stator winding 3, to meet the radiating requirements of stator winding 3.When the circumferential coil pipe 41 of a circle circle surrounds circumferential coil pipe 41
Surface after, huge radiating contact portion can be formed.Circumferential coil pipe 41 is arranged the setting form of stator winding 3, with 2 points
Advantage:On the one hand the radiating effect to stator winding 3 is added, the installation space of cooling unit 4 is on the other hand reduced.
In addition, controller 5 contacts setting with the surface of horizontal coil pipe 42.The surface of controller 5 is generally plane, with horizontal plate
The radiating contact surface of one level of formation of pipe 42, can be contacted with the plane of controller 5, controller 5 be realized good
Radiating.
Form is preferable to provide as one kind, horizontal coil pipe 42 is arranged to the top of circumferential coil pipe 41, controller 5 is located at
The top of horizontal coil pipe 42.Controller 5, one structure sheaf from top to bottom of horizontal coil pipe 42 and the circumferential formation of coil pipe 41, wherein,
Horizontal coil pipe 42 can also realize support, favorably during being radiated to the surface of controller 5 to controller 5
In the stable support and control device 5 of effect by gravity, so as to reduce the fixation difficulty of controller 5.Similarly, horizontal coil pipe 42 is set
The top of circumferential coil pipe 41 is put, the arrangement of whole cooling unit 4 is also allowed for.
By introducing the setting form inside cooling unit 4 in following the present embodiment.
Cooling water or coolant constantly are flowed through in the cooling tube for constituting cooling unit 4, to take away stator by heat exchange
The heat of winding 3 and controller 5, realizes the purpose of radiating.In order to ensure the reasonable setting of cooling duct, on circumferential coil pipe 41
It is provided with delivery port 43, horizontal coil pipe 42 and is provided with water inlet 44.Cooling water or coolant are entered by water inlet 44 first
Enter horizontal coil pipe 42, after the heat on the surface for taking away controller 5, contacted into circumferential coil pipe 41 with the outer surface of stator winding 3,
Take away the heat on the surface of stator winding 3.Because the caloric value of stator winding 3 operationally can be far longer than the hair of controller 5
Heat, so water inlet is set in horizontal coil pipe 42, to ensure the reasonability of whole assembly heat dissipation channel.
Circumferential coil pipe 41 is tightly attached on the surface of stator winding 3, can fully absorb the heat of the generation of stator winding 3.It is cold
But water or coolant will enter circumferential coil pipe 41 after horizontal coil pipe 42.Horizontal coil pipe 42 and the bottom of controller 5 are tight
Patch, can fully absorb the heat that the component inside controller 5 is produced.The water outlet of cooling water or coolant from cooling unit 4
Mouth 43 is flowed out, and water inlet 44 is back to after peripheral cooling system is cooled down, is radiated with this reciprocation cycle.
Furthermore, it is understood that water inlet 44 is arranged at the side (i.e. close to the side of controller 5) of housing 1, delivery port 43 is set
In the bottom (i.e. close to the bottom of stator winding 3) of housing 1, it is connected between water inlet 44 and delivery port 43 by cooling coil
It is logical.
Wherein, the cooling unit 4 also includes heat collector 45.In view of the structural strength of horizontal coil pipe 42, in horizontal plate
Heat collector 45 is placed between pipe 42 and circumferential coil pipe 41, heat collector 45 plays a part of enhancing structure intensity.
Specifically, heat collector 45 includes upper contact surface 451 and lower contact surface 452;Upper contact surface 451 and horizontal coil pipe
42 coordinate contact, and lower contact surface 452 coordinates with circumferential coil pipe 41 to be contacted.
Wherein, the single tube that upper contact surface 451 is included in the groove of a plurality of parallel arranged, horizontal coil pipe 42, which enters, above to be connect
In a groove in contacting surface 451;Lower contact surface 452 is an arcwall face, is engaged with the periphery of circumferential coil pipe 41.
Heat collector 45 can also absorb the heat of cooling unit 4.Horizontal coil pipe 42 is embedded in contact surface on heat collector 45
In 451 radiating groove, the lower contact surface 452 of the bottom of heat collector 54 is close at the top of circumferential coil pipe 41.Lower contact surface 452 is one
Individual arcwall face, can be achieved fully to contact with the arc surface of circumference coil pipe 41 so that heat fully absorbs, system temperature is quick
Ground is reduced.
The utility model additionally provides a kind of electric automobile, including motor drive assembly as described above.Overcome existing electricity
Drive system is too fat to move, heavy, cooling effectiveness is low, Material Cost is high, processed complex the shortcomings of.
It should be noted that the electric automobile is to include the electric automobile of above-mentioned motor drive assembly, above-mentioned motor driving
The implementation of assembly embodiment is equally applicable in the embodiment of the electric automobile, can also reach identical technique effect,
This is repeated no more.
Each embodiment in this specification is described by the way of progressive, what each embodiment was stressed be with
Between the difference of other embodiment, each embodiment identical similar part mutually referring to.
In description of the present utility model, it is to be understood that term " longitudinal direction ", " radial direction ", " length ", " width ", " thickness
The side of the instruction such as degree ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer "
Position or position relationship are, based on orientation shown in the drawings or position relationship, to be for only for ease of description the utility model and simplification is retouched
State, rather than indicate or imply that the device or element of meaning there must be specific orientation, with specific azimuth configuration and operation,
Therefore it is not intended that to limitation of the present utility model.In description of the present utility model, unless otherwise indicated, " multiples' " contains
Justice is two or more.
Above-described is preferred embodiment of the present utility model, it should be pointed out that for the ordinary person of the art
For, some improvements and modifications can also be made under the premise of principle described in the utility model is not departed from, these improve and moistened
Decorations are also in protection domain of the present utility model.
Claims (10)
1. a kind of motor drive assembly, it is characterised in that including:
Set in housing (1), and the housing (1):
Rotor (2), it is fixed by the bearing and the housing (1) at its two ends;
Stator winding (3), is sheathed on the outside of the rotor (2);
Cooling unit (4), is sheathed on the outside of the stator winding (3), and contact with the outer surface of the stator winding (3);
Controller (5), is contacted with the cooling unit (4).
2. motor drive assembly according to claim 1, it is characterised in that the housing (1) include drive end bearing bracket (11) and
Rear end cap (12);
One end of the rotor (2) is engaged by bearing with the drive end bearing bracket (11), and by the drive end bearing bracket (11)
Protrude from the outside of the housing (1);
The other end of the rotor (2) is engaged by bearing with the rear end cap (12).
3. motor drive assembly according to claim 1, it is characterised in that the cooling unit (4) includes:
Interconnected circumferential coil pipe (41) and horizontal coil pipe (42);
Periphery disk of the circumferential coil pipe (41) along the stator winding (3) is set as cylinder, and the stator winding (3) is stretched into described
In the cylinder that circumferential coil pipe (41) surrounds, the circumferential coil pipe (41) contacts with the outer surface of the stator winding (3);
The controller (5) contacts setting with the surface of the horizontal coil pipe (42).
4. motor drive assembly according to claim 3, it is characterised in that
It is provided with the circumferential coil pipe (41) on delivery port (43), the horizontal coil pipe (42) and is provided with water inlet (44).
5. motor drive assembly according to claim 3, it is characterised in that the cooling unit (4) also includes:Collect hot charging
Put (45), including upper contact surface (451) and lower contact surface (452);
The upper contact surface (451) coordinates with the horizontal coil pipe (42) to be contacted, the lower contact surface (452) and the circumferential disc
Manage (41) and coordinate contact.
6. motor drive assembly according to claim 5, it is characterised in that the upper contact surface (451) include it is a plurality of simultaneously
A single tube in the groove of row arrangement, the horizontal coil pipe (42) is described recessed into one on the upper contact surface (451)
In groove;
The lower contact surface (452) is an arcwall face, is engaged with the periphery of the circumferential coil pipe (41).
7. motor drive assembly according to claim 4, it is characterised in that the delivery port (43) is arranged at the housing
(1) bottom, the water inlet (44) is arranged at the side of the housing (1);
The delivery port (43) and the water inlet (44) protrude from the surface of the housing (1).
8. motor drive assembly according to claim 3, it is characterised in that the horizontal coil pipe (42) is located at the circumference
The top of coil pipe (41), the controller (5) is located at the top of the horizontal coil pipe (42).
9. motor drive assembly according to claim 2, it is characterised in that the drive end bearing bracket (11) and the rear end cap
(12) it is fixed by bolt and the housing (1).
10. a kind of electric automobile, it is characterised in that total including motor as claimed in any of claims 1 to 9 driving
Into.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720277034.4U CN206542293U (en) | 2017-03-21 | 2017-03-21 | Motor drive assembly and electric automobile |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720277034.4U CN206542293U (en) | 2017-03-21 | 2017-03-21 | Motor drive assembly and electric automobile |
Publications (1)
Publication Number | Publication Date |
---|---|
CN206542293U true CN206542293U (en) | 2017-10-03 |
Family
ID=59943343
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201720277034.4U Active CN206542293U (en) | 2017-03-21 | 2017-03-21 | Motor drive assembly and electric automobile |
Country Status (1)
Country | Link |
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CN (1) | CN206542293U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110247524A (en) * | 2019-05-14 | 2019-09-17 | 深圳数翔科技有限公司 | Electronic heavy-duty vehicle Direct wheel drives assembly |
CN115459528A (en) * | 2022-09-23 | 2022-12-09 | 深圳威铂驰热技术有限公司 | Heat radiation structure |
-
2017
- 2017-03-21 CN CN201720277034.4U patent/CN206542293U/en active Active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110247524A (en) * | 2019-05-14 | 2019-09-17 | 深圳数翔科技有限公司 | Electronic heavy-duty vehicle Direct wheel drives assembly |
CN110247524B (en) * | 2019-05-14 | 2024-07-02 | 广州卡尔动力科技有限公司 | Wheel driving assembly of electric heavy-load vehicle |
CN115459528A (en) * | 2022-09-23 | 2022-12-09 | 深圳威铂驰热技术有限公司 | Heat radiation structure |
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