CN204623116U - A kind of automobile electrical motor car wheel - Google Patents
A kind of automobile electrical motor car wheel Download PDFInfo
- Publication number
- CN204623116U CN204623116U CN201520360857.4U CN201520360857U CN204623116U CN 204623116 U CN204623116 U CN 204623116U CN 201520360857 U CN201520360857 U CN 201520360857U CN 204623116 U CN204623116 U CN 204623116U
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- China
- Prior art keywords
- wheel
- motor
- sealing
- end cap
- stator axis
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- Expired - Fee Related
Links
- 239000000725 suspension Substances 0.000 claims abstract description 5
- 238000007789 sealing Methods 0.000 claims description 55
- 239000003921 oil Substances 0.000 claims description 32
- 238000001816 cooling Methods 0.000 claims description 25
- 239000007788 liquid Substances 0.000 claims description 25
- 239000012530 fluid Substances 0.000 claims description 23
- 239000003507 refrigerant Substances 0.000 claims description 16
- 238000010992 reflux Methods 0.000 claims description 10
- 239000002609 medium Substances 0.000 claims description 6
- 239000002826 coolant Substances 0.000 claims description 5
- 239000012736 aqueous medium Substances 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 4
- 239000010730 cutting oil Substances 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
The utility model belongs to automobile technical field, disclose a kind of automobile electrical motor car wheel, be made up of tire, wheel rim and external rotor electric machine, it is characterized in that, rotor is set directly on wheel rim inwall, and electric motor end cap is fixedly connected with wheel rim, motor stator is located in rotor, motor stator axis and electric motor end cap are by bearing assemble, and brake disc is arranged on the electric motor end cap inside wheel, and the one end inside the corresponding wheel of motor stator axis is relative with automotive suspension fixing.The utility model has carried out Curve guide impeller on existing wheel hub motor basis, improves car wheel structure, by motor together with incorporated in vehicle wheels.Rotor and tire share wheel rim, and integral structure is greatly simplified.
Description
Technical field
The utility model belongs to automobile technical field, relates to the technology that is in transmission connection of electric powered motor technology and power system and wheel.
Background technology
Common power system of electric automobile is made up of motor, retarder, diff, axle drive shaft, retarder mouth connected with differential, and diff two mouth connects axle drive shaft respectively, and axle drive shaft connects wheel.The power system architecture of this routine and the power system architecture of fuel-engined vehicle substantially close, all need to coordinate the driving system such as diff, transmission shaft to use.Technology is backwardness relatively, complex structure, and waste of power is large.
As improvement, in recent years propose a kind of wheel hub motor technology, under wheel hub motor technology, arrange drive motor respectively for single wheel, a motor drives separately a wheel.Motor is installed on inside wheel, is positioned at wheel rim inside.Motor is relative with suspension fixing, and the spoke of wheel is connected by retarder with rotor, or spoke is directly fixed with the bracket of rotor and assembled.Based on this wheel hub motor technology, motor does not independently take space, chassis, is to simplify chassis structure, and on chassis, installs more high capacity cell provide condition.In addition, motor and wheel no longer need the transmission device such as diff, transmission shaft to be connected.Power system structure is simplified, and kinetic equation loss effectively reduces.
But existing wheel hub motor and wheel relatively independent, wheel still adopts conventional wheel rim, and wheel and motor still exist the annexation that direct-connected or retarder is connected indirectly between the two, be not integrated into one, structure still has certain complexity.
Summary of the invention
The utility model object is, for the still comparatively complicated problem of existing hub motor structure, to provide a kind of integrated level higher, and the more simple electric-powered mechanism of structure, and several actv. motor cooling scheme is provided further.
For achieving the above object, the technical scheme that the utility model adopts is: a kind of automobile electrical motor car wheel, be made up of tire, wheel rim and external rotor electric machine, it is characterized in that, rotor is set directly on wheel rim inwall, and electric motor end cap is fixedly connected with wheel rim, motor stator is located in rotor, motor stator axis and electric motor end cap are by bearing assemble, and brake disc is arranged on the electric motor end cap inside wheel, and the one end inside the corresponding wheel of motor stator axis is relative with automotive suspension fixing.
Further, be the face of cylinder inside wheel rim, step groove is established at two ends, the face of cylinder, and two end cap outer rims of motor coordinate with step groove, the contact surface press seal of electric motor end cap and step groove.
Bearing seat is established at electric motor end cap center, and the bearing seat outer end sealing on the electric motor end cap of lateral wheel, the bearing seat on the electric motor end cap inside wheel is through hole, establishes oil sealing between through hole outer end and motor stator axis.
In order to help motor radiating, described electric motor end cap can arrange louvre.
As improvement, as one more effective electric motor temperature reduction scheme: described electric wheel is established a set of wound oil cooling circuit through motor cavity.Cutting oil is passed through in loop.Oil inlet and oil outlet are all located at motor stator axis one end inside wheel.
Particularly, described motor stator axis hollow, near the one end open of lateral wheel, side sealing inside wheel, feed liquor (oil) mouth and fluid (oil) mouth are all located at electronics stator axis sealing end, gap location on motor stator axis axial wall inside corresponding motor stator and wheel between electric motor end cap is provided with a refrigerant fluid (oil) refluxing opening, and refrigerant fluid (oil) refluxing opening and fluid (oil) mouth are by pipeline communication.
Cutting oil is after therefrom axle sealing end oil inlet enters axis inner chamber under pressure, flow to axis open end, gap between axis open end and this side shaft holder and between bearing roller hole enter motor cavity, Clearance Flow through between motor stator and rotor is to the side of motor cavity inside wheel, enter the gap between electric motor end cap inside motor stator and wheel, the refrigerant fluid return port offered from motor stator axis axial wall again enters oil pipe, finally flow out from liquid outlet, form a complete wound oil cooling circuit.Such cooling loop can realize comprehensive cooling of stator to motor, rotor, and cooling performance is good.
After considering that cutting oil enters motor cavity, resistance is formed to the rotation of rotor, cause waste of power, and consider that the oily medium of employing carries out the cooling performance comparatively water cooling less effective cooled, as improvement, heat transfer ratio is adopted better not have the refrigerant fluid of lubricious effect as cooling media.The utility model also proposes another kind of water cooling labyrinth structure.
Be specially: inlet and liquid outlet are all located at motor stator axis sealing end.At electric motor end cap and wheel rim inside, many cooling-gallerys are set.Every bar cooling-gallery plays end entrance and is positioned on the bearing seat sidewall of the electric motor end cap of lateral wheel, cooling-gallery end outlet is positioned on the bearing seat sidewall of the electric motor end cap inside wheel, motor stator axis open end bearing and cooling-gallery rise between end entrance and are separated by oil sealing, are separated between motor stator axis sealing end bearing and cooling-gallery end outlet by oil sealing; On motor stator axis axial wall, corresponding cooling-gallery end outlet place establishes refrigerant fluid refluxing opening, and refrigerant fluid refluxing opening and liquid outlet are by pipeline communication.
The cooling loop of above-mentioned improvement is isolated with bearing and motor cavity, refrigerant fluid not contact need lubrication bearing, cooling media can select cooling water expansion tank, and relative oil cooling effect is better.Refrigerant fluid does not also enter motor cavity, can avoid causing corrosion to coil of stator of motor and rotor iron yoke and stator core, it also avoid refrigerant fluid and forms resistance to the rotation of rotor.The cooling loop of this improvement adds the cooling heat dissipation of speed motor from the angle of lowering the temperature to electric machine casing.This modified node method, can also coordinate louvre to dispel the heat, to increase cooling heat dissipation effect further.Particularly: on electric motor end cap, establish louvre.
Further, many cooling-gallerys circumference centered by motor stator axis is uniformly distributed.
Further, cooling-gallery is wide flat passage.
In order to simplified structure, also can consider, only to rotor cooling, to reach certain cooling performance.Specifically there is several scheme, as follows respectively:
Scheme one, described motor stator axis hollow, sealing two ends, inlet and liquid outlet are established in one end inside wheel, inlet connects a drain pipeline, drain pipeline therefrom axle one end inside wheel extends to the one end near lateral wheel, and drain pipeline end outlet is positioned at its axis inner chamber top.Liquid outlet is located at axis sealing end bottom.Fluid dielectric coolant can select oily medium or aqueous medium.
Scheme two, described motor stator axis hollow, near the one end open of lateral wheel, side sealing inside wheel, inlet and liquid outlet are all located at electronics stator axis sealing end, inlet connects a drain pipeline, and drain pipeline therefrom axle sealing end extends to open end, and drain pipeline end outlet is positioned at axis inner chamber top.Liquid outlet is located at axis sealing end bottom.Oil sealing is established outside axis open end bearing.Similarly, fluid dielectric coolant can select oily medium or aqueous medium.
Scheme three, described motor stator axis hollow, near the one end open of lateral wheel, side sealing inside wheel, inlet and liquid outlet are all located at electronics stator axis sealing end, inlet connects a drain pipeline, and drain pipeline therefrom axle sealing end extends to open end, and drain pipeline end outlet is positioned at axis inner chamber top.Liquid outlet is located at axis sealing end bottom.Oil sealing is established inside axis open end bearing.Because of refrigerant fluid meeting contact bearing, so fluid dielectric coolant need select oily medium.
The utility model has carried out Curve guide impeller on existing wheel hub motor basis, improves car wheel structure, by motor together with incorporated in vehicle wheels.Rotor and tire share wheel rim, and integral structure is greatly simplified.Provide the cooling scheme that a few cover is effective and feasible simultaneously, solve the motor feels hot problem.
Accompanying drawing explanation
Fig. 1 is electric vehicle wheels arrangement principle schematic described in the utility model.
Fig. 2 is electric wheel electric motor end cap louvre structural representation described in the utility model.
Fig. 3 is a kind of cooling scheme principle schematic of electric wheel described in the utility model.
Fig. 4 is the another kind of cooling scheme principle schematic of electric wheel described in the utility model.
Fig. 5 is the structural representation electric motor end cap of electric wheel shown in Fig. 4 being arranged cooling-gallery.
Fig. 6 is the one simple stator cooling scheme principle schematic of electric wheel described in the utility model.
Fig. 7 is the another kind simple stator cooling scheme principle schematic of electric wheel described in the utility model.
Fig. 8 is the another kind simple stator cooling scheme principle schematic of electric wheel described in the utility model.
Detailed description of the invention
With reference to Fig. 1-2, automobile electrical motor car wheel disclosed in the utility model, comprises tire 1, wheel rim 2 and external rotor electric machine, and described external rotor electric machine comprises outer ring annular generator rotor 4, with the motor stator 5 be arranged in rotor, and with assembling the electric motor end cap 8,9 of rotor and stator.In the utility model, be the face of cylinder inside wheel rim 2, step groove is established at two ends, the face of cylinder, and two end caps 8,9 outer rim of motor coordinates with step groove, contact surface 3 press seal of electric motor end cap and step groove.Rotor 4 is set directly on wheel rim 2 inwall, motor stator 5 is located in rotor 4, motor stator axis 13 and electric motor end cap are assembled by bearing 7, brake disc 10 is arranged on the electric motor end cap 9 inside wheel, and the one end inside the corresponding wheel of motor stator axis 13 is relative with automotive suspension fixing.Bearing seat 6 is established at electric motor end cap center, and sealing door 12 is established in the bearing seat outer end on the electric motor end cap of lateral wheel, and the bearing seat left and right on the electric motor end cap inside wheel is through, establishes oil sealing 11 outside bearing.Described electric motor end cap is provided with louvre 14.
With reference to Fig. 3, the axis 13 of motor stator described in this example hollow, motor stator axis 13 left end opening, right-hand member seals, the sealing end of motor stator axis 13 establishes inlet 18 and liquid outlet 17, gap on the axial wall of motor stator axis 13 between corresponding motor stator 5 and right motor end cap 9 is provided with refrigerant fluid refluxing opening 15, and refrigerant fluid refluxing opening 15 is communicated with by pipeline 16 with liquid outlet 17.
With reference to Fig. 4-5, motor stator axis 13 right-hand member seals, and left end opening, motor stator axis right-hand member establishes inlet 18 and liquid outlet 17.At electric motor end cap and wheel rim inside, many cooling-gallerys 19 are set.Many cooling-gallerys 19 circumference centered by motor stator axis is uniformly distributed.Every bar cooling-gallery plays end entrance and is positioned on the bearing seat sidewall of the electric motor end cap 8 of lateral wheel, cooling-gallery end outlet is positioned on the bearing seat sidewall of the electric motor end cap 9 inside wheel, motor stator axis 13 open end bearing and cooling-gallery rise between end entrance and are separated by oil sealing 20, are separated between the sealing end bearing of motor stator axis 13 and cooling-gallery end outlet by oil sealing 21; On motor stator axis axial wall, corresponding cooling-gallery end outlet place establishes refrigerant fluid refluxing opening 15, and refrigerant fluid refluxing opening 15 is communicated with by pipeline 16 with liquid outlet 17.
With reference to Fig. 6, described motor stator axis hollow, sealing two ends, inlet and liquid outlet are established in one end inside wheel, inlet connects a drain pipeline 22, drain pipeline therefrom axle one end inside wheel extends to the one end near lateral wheel, and drain pipeline 22 end outlet is positioned at its axis inner chamber top.Liquid outlet is located at axis sealing end bottom.
With reference to Fig. 7, described motor stator axis hollow, near the one end open of lateral wheel, side sealing inside wheel, inlet and liquid outlet are all located at electronics stator axis sealing end, inlet connects drain pipeline 22, and drain pipeline 22 therefrom axle sealing end extends to open end, and drain pipeline end outlet is positioned at axis inner chamber top.Liquid outlet is located at axis sealing end bottom.Oil sealing 23 is established outside axis open end bearing.
With reference to Fig. 8, described motor stator axis hollow, near the one end open of lateral wheel, side sealing inside wheel, inlet and liquid outlet are all located at electronics stator axis sealing end, inlet connects drain pipeline 22, and drain pipeline 22 therefrom axle sealing end extends to open end, and drain pipeline end outlet is positioned at axis inner chamber top.Liquid outlet is located at axis sealing end bottom.Oil sealing 24 is established inside axis open end bearing.
Claims (10)
1. an automobile electrical motor car wheel, be made up of tire, wheel rim and external rotor electric machine, it is characterized in that, rotor is set directly on wheel rim inwall, electric motor end cap is fixedly connected with wheel rim, and motor stator is located in rotor, and motor stator axis and electric motor end cap pass through bearing assemble, brake disc is arranged on the electric motor end cap inside wheel, and the one end inside the corresponding wheel of motor stator axis is relative with automotive suspension fixing.
2. automobile electrical motor car wheel according to claim 1, is characterized in that, be the face of cylinder inside wheel rim, step groove is established at two ends, the face of cylinder, and two end cap outer rims of motor coordinate with step groove, the contact surface press seal of electric motor end cap and step groove.
3. automobile electrical motor car wheel according to claim 1, it is characterized in that, bearing seat is established at electric motor end cap center, bearing seat outer end sealing on the electric motor end cap of lateral wheel, bearing seat on electric motor end cap inside wheel is through hole, establishes oil sealing between through hole outer end and motor stator axis.
4. automobile electrical motor car wheel according to claim 3, is characterized in that, a set of wound oil cooling circuit through motor cavity established by this wheel, and by cutting oil in loop, oil inlet and oil outlet are all located at motor stator axis one end inside wheel.
5. automobile electrical motor car wheel according to claim 4, it is characterized in that, described motor stator axis hollow, near the one end open of lateral wheel, side sealing inside wheel, oil inlet and oil outlet are all located at electronics stator axis sealing end, and the gap location on motor stator axis axial wall inside corresponding motor stator and wheel between electric motor end cap is provided with a return opening, and return opening and oil outlet are by pipeline communication.
6. automobile electrical motor car wheel according to claim 3, is characterized in that, described motor stator axis hollow, near the one end open of lateral wheel, and the side sealing inside wheel, inlet and liquid outlet are all located at motor stator axis sealing end; At electric motor end cap and wheel rim inside, many cooling-gallerys are set, every bar cooling-gallery plays end entrance and is positioned on the bearing seat sidewall of the electric motor end cap of lateral wheel, cooling-gallery end outlet is positioned on the bearing seat sidewall of the electric motor end cap inside wheel, motor stator axis open end bearing and cooling-gallery rise between end entrance and are separated by oil sealing, are separated between motor stator axis sealing end bearing and cooling-gallery end outlet by oil sealing; On motor stator axis axial wall, corresponding cooling-gallery end outlet place establishes refrigerant fluid refluxing opening, and refrigerant fluid refluxing opening and liquid outlet are by pipeline communication.
7. automobile electrical motor car wheel according to claim 6, is characterized in that, many cooling-gallerys circumference centered by motor stator axis is uniformly distributed.
8. the automobile electrical motor car wheel according to claim 1 or 6, is characterized in that, described electric motor end cap is provided with louvre.
9. automobile electrical motor car wheel according to claim 1, it is characterized in that, described motor stator axis hollow, sealing two ends, inlet and liquid outlet are established in the one end inside wheel, and inlet connects a drain pipeline, drain pipeline therefrom axle one end inside wheel extends to the one end near lateral wheel, drain pipeline end outlet is positioned at its axis inner chamber top, and liquid outlet is located at axis sealing end bottom, and fluid dielectric coolant selects oily medium or aqueous medium.
10. automobile electrical motor car wheel according to claim 3, it is characterized in that, described motor stator axis hollow, near the one end open of lateral wheel, side sealing inside wheel, inlet and liquid outlet are all located at electronics stator axis sealing end, inlet connects a drain pipeline, drain pipeline therefrom axle sealing end extends to open end, drain pipeline end outlet is positioned at axis inner chamber top, liquid outlet is located at axis sealing end bottom, and establish oil sealing outside axis open end bearing, fluid dielectric coolant selects oily medium or aqueous medium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520360857.4U CN204623116U (en) | 2015-05-30 | 2015-05-30 | A kind of automobile electrical motor car wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520360857.4U CN204623116U (en) | 2015-05-30 | 2015-05-30 | A kind of automobile electrical motor car wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204623116U true CN204623116U (en) | 2015-09-09 |
Family
ID=54042173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520360857.4U Expired - Fee Related CN204623116U (en) | 2015-05-30 | 2015-05-30 | A kind of automobile electrical motor car wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204623116U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104827887A (en) * | 2015-05-30 | 2015-08-12 | 谷伟 | Electric wheel for automobile |
| CN105966228A (en) * | 2016-05-11 | 2016-09-28 | 同济大学 | Light-weight structure of electric wheel in which torsional vibration damper is arranged |
| CN106314131A (en) * | 2016-09-08 | 2017-01-11 | 张军凯 | Hub motor and electric vehicle with same |
| CN107444007A (en) * | 2017-08-18 | 2017-12-08 | 华中科技大学 | A kind of electric wheel and vehicle with built-in suspension |
| CN108365705A (en) * | 2018-04-18 | 2018-08-03 | 邢台职业技术学院 | The integrated thermal management system of electric vehicle embedded hub motor based on micro-channel |
| CN108556821A (en) * | 2018-04-18 | 2018-09-21 | 邢台职业技术学院 | Electric vehicle embedded hub motor integrated thermal management system based on chemical solution |
| WO2019138965A1 (en) * | 2018-01-09 | 2019-07-18 | Ntn株式会社 | Wheel bearing apparatus and vehicle provided with wheel bearing apparatus |
| CN110091705A (en) * | 2019-06-06 | 2019-08-06 | 广东博智林机器人有限公司 | Steering wheel device and carrier |
-
2015
- 2015-05-30 CN CN201520360857.4U patent/CN204623116U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104827887A (en) * | 2015-05-30 | 2015-08-12 | 谷伟 | Electric wheel for automobile |
| CN105966228A (en) * | 2016-05-11 | 2016-09-28 | 同济大学 | Light-weight structure of electric wheel in which torsional vibration damper is arranged |
| CN106314131A (en) * | 2016-09-08 | 2017-01-11 | 张军凯 | Hub motor and electric vehicle with same |
| CN107444007A (en) * | 2017-08-18 | 2017-12-08 | 华中科技大学 | A kind of electric wheel and vehicle with built-in suspension |
| CN107444007B (en) * | 2017-08-18 | 2018-06-26 | 华中科技大学 | A kind of electric wheel and vehicle with built-in suspension |
| WO2019138965A1 (en) * | 2018-01-09 | 2019-07-18 | Ntn株式会社 | Wheel bearing apparatus and vehicle provided with wheel bearing apparatus |
| JP2019119360A (en) * | 2018-01-09 | 2019-07-22 | Ntn株式会社 | Wheel bearing device and vehicle including the same |
| JP7048320B2 (en) | 2018-01-09 | 2022-04-05 | Ntn株式会社 | Wheel bearing device and vehicle equipped with this wheel bearing device |
| CN108365705A (en) * | 2018-04-18 | 2018-08-03 | 邢台职业技术学院 | The integrated thermal management system of electric vehicle embedded hub motor based on micro-channel |
| CN108556821A (en) * | 2018-04-18 | 2018-09-21 | 邢台职业技术学院 | Electric vehicle embedded hub motor integrated thermal management system based on chemical solution |
| CN108556821B (en) * | 2018-04-18 | 2020-05-22 | 邢台职业技术学院 | Embedded wheel hub motor comprehensive heat management system of electric automobile |
| CN110091705A (en) * | 2019-06-06 | 2019-08-06 | 广东博智林机器人有限公司 | Steering wheel device and carrier |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150909 |