CN104734417A - Electric vehicle hub motor - Google Patents
Electric vehicle hub motor Download PDFInfo
- Publication number
- CN104734417A CN104734417A CN201510123286.7A CN201510123286A CN104734417A CN 104734417 A CN104734417 A CN 104734417A CN 201510123286 A CN201510123286 A CN 201510123286A CN 104734417 A CN104734417 A CN 104734417A
- Authority
- CN
- China
- Prior art keywords
- motor
- rotor
- iron ring
- electric vehicle
- wheel hub
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
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
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
- Braking Arrangements (AREA)
Abstract
The invention relates to an electric vehicle hub motor, and belongs to the technical field of electric vehicles. Through lengthening of working force arms of a motor stator magnetic field and a motor rotor magnetic field, the torque performance and the power density of the motor can be effectively improved, the working efficiency of the motor can be improved, the material cost of the motor can be reduced, and especially the expensive rare earth permanent magnet materials are effectively reduced. The hub motor is a ten-cun motor, the internal diameter of a rotor ranges from 213 mm to 250 mm, and the external diameter of a stator ranges from 206 mm to 246 mm. According to the electric vehicle hub motor, the internal diameter of the rotor and the external diameter of the stator are increased, the working force arms of the stator magnetic field and the rotor magnetic field are lengthened, and therefore the torque force and the power density of the hub motor are improved, and the electric vehicle hub motor is especially suitable for working under the severe working conditions such as a large vehicle load or mountainous areas with many steep hill roads.
Description
Technical field
The invention belongs to vehicle technology field, relate to a kind of wheel hub electric motor of electric vehicle.
Background technology
Electric motor car is as the new forms of energy vehicles that are green, energy-saving and environmental protection,, energy-saving and environmental protection economic, convenient with it, the advantage such as easy to operate are more and more subject to the favor of users, wheel hub motor is as one of the core component of electric motor car, and the quality of its performance determines the travel speed of electric motor car, course continuation mileage and grade climbing performance; Existing wheel hub motor comprises rotor, stator, motor axis, motor down-lead etc., stator and motor axis are axial location, it is electric motor end cap outside rotor, the limit lid at motor two ends is fixed on the iron ring of the built-in hub that can freely rotate vertically, is wherein provided with shoe-type brake hubs or disk brake pedestal above a side end cap.
Along with the develop rapidly in electric motor car market is with universal fast, the heavy burden of electric motor car requires more and more higher, the requirement of user to the power performance of electric motor car is also more and more higher, although the power of motor also does larger and larger by many producers, but because the grade climbing performance of common electric machine is poor, often occur that the situation of not climbing abrupt slope or climbing burning motor occurs, the failure rate of motor suddenly rises, for this reason, many producers carry out the power performance of lifting motor by increasing the size of motor wheel hub, but bring the problems such as motor, the cost increase of tire and vehicle compatibility be poor thus; The most common with ten cun of motors in existing wheel hub electric motor of electric vehicle is also the motor of electric motor car with two wheels compatibility the best, and the external diameter of wheel hub motor is 254mm is fixed value, if the work arm of force in electric machine rotor magnetic field is maximized in limited hub size, not only effectively can improve torque performance and the power density of motor, can also the operating efficiency of lifting motor and the material cost of reduction motor.The stator outer diameter size of existing ten cun of wheel hub motors is generally between 145mm ~ 205mm, and rotor internal diameter size is between 152mm ~ 212mm.
Summary of the invention
The object of the present invention is to provide a kind of wheel hub electric motor of electric vehicle, for the problems referred to above that existing ten cun of wheel hub motors exist, propose the design of a kind of brand-new wheel hub electric motor of electric vehicle, in limited hub size, the size of electric machine rotor is maximized, thus effectively improve every power performance and the power density of motor.
The technology of the present invention is realized by following technical proposal:
A kind of wheel hub electric motor of electric vehicle, described wheel hub motor is ten cun of motors, comprise rotor and Stator and electrical machine axis, described stator and motor axis carry out axial location, described rotor comprises wheel rim and inner ring, inner ring is connected on wheel rim inwall, the limit lid at motor two ends is fixed on the inner ring of the built-in hub that can freely rotate vertically, it is characterized in that: described inner ring comprises iron ring in the interior iron ring of brake end and rotor, in described rotor, the internal diameter of iron ring is 213mm ~ 250mm, and the external diameter of described stator is 206mm ~ 246mm.In described rotor, the internal diameter of iron ring is 243mm, described stator outer diameter 237mm.
In described brake end, iron ring is connected in the lug boss in the middle of wheel rim inwall, and in described rotor, iron ring is connected on the inwall outside wheel rim lug boss; In brake end, the internal diameter of iron ring is less than the internal diameter of iron ring in rotor.
Have an end cap and brake holds interior iron ring to be connected, this side end cap is provided with shoe-type brake hubs or disk brake pedestal, and in another end cap and rotor, iron ring is connected.
In described rotor, the width of iron ring is 20mm ~ 80mm.
As preferably, in above-mentioned wheel hub electric motor of electric vehicle, in described rotor, iron ring internal diameter is 243mm, corresponding stator outer diameter 237mm.The motor cost performance adopting this parameter to produce is the highest.In described rotor, the height of iron ring is 25mm ~ 60mm, by the height of iron ring in adjustment rotor, can realize power of motor adjustment by a larger margin, both met the installation requirement of 10 cun of tires and the compatibility of vehicle, what enable again stators and rotators dimension of inner and outer diameters design is larger.
Compared with prior art, the advantage of the rotor of this wheel hub electric motor of electric vehicle is:
1, the wheel hub electric motor of electric vehicle of the present invention is by increasing rotor internal diameter and stator outer diameter, increase the work arm of force in stator and rotor magnetic field, thus improve torque force and the power density of wheel hub motor, be more applicable for and work under vehicle bears a heavy burden the harsh operating mode such as comparatively large or mountain area that abrupt slope road is more, owing to increasing electric motor end cap surface area, the radiating effect of motor is better.The torsional forces of this wheel hub motor, power density, operating efficiency, stability, cost performance have significantly improved relative to common ten cun of wheel hub motors, and therefore more energy-conservation and environmental protection, is more received by the market.
2, wheel hub electric motor of electric vehicle of the present invention is by strengthening the groove area of iron core, increases the sectional area of winding conductor, reduces copper loss and reduces electric machine temperature rise, simultaneously lifting motor anti-overload ability.
3, this wheel hub electric motor of electric vehicle has also carried out rational optimal design to the structure of stators and rotators, and the mechanical strength of wheel hub motor is significantly improved, and is easier to assembling, use technology.
Accompanying drawing explanation
Fig. 1 is the structural representation of this wheel hub electric motor of electric vehicle.
Embodiment
As shown in Figure 1, a kind of wheel hub electric motor of electric vehicle, described wheel hub motor is ten cun of motors, comprise rotor 1, stator 2 and motor axis 16, described stator 2 carries out axial location with motor axis 16, described rotor 1 comprises wheel rim 11 and inner ring, inner ring is connected on wheel rim 11 inwall, the limit lid 3 at motor two ends is fixed on the inner ring of the built-in hub that can freely rotate vertically, described inner ring comprises iron ring 13 in the interior iron ring 12 of brake end and rotor, in described brake end, iron ring 12 is connected in wheel rim 11 inwall intermediate projections portion 15, in described rotor, iron ring 13 is connected on the inwall outside wheel rim internal projection portion 15, in brake end, the internal diameter of iron ring 12 is less than the internal diameter of iron ring 13 in rotor, in described rotor, the internal diameter of iron ring 13 is between 213mm ~ 250mm, described stator 2 external diameter is between 206mm ~ 246mm, an end cap 3 and brake is had to hold interior iron ring 12 to be connected, this side end cap 3 is provided with shoe-type brake hubs or disk brake pedestal 17, and another end cap 3 is connected with iron ring 13 in rotor.
The wheel hub electric motor of electric vehicle of the present invention improves for ten cun of wheel hub motors, ten cun of wheel hub motor maximum outside diameter 254mm, iron ring separate design in the present invention is held by iron ring in rotor and brake, thus realize increasing rotor internal diameter and stator outer diameter, increase the work arm of force in stator and rotor magnetic field, improve torque force and the power density of wheel hub motor, be more applicable for and work under vehicle bears a heavy burden the harsh operating mode such as comparatively large or mountain area that abrupt slope road is more, owing to increasing electric motor end cap surface area, the radiating effect of motor is better.The torsional forces of this wheel hub motor, power density, operating efficiency, cost performance, stability have significantly improved relative to common ten cun of wheel hub motors, and therefore more energy-conservation and environmental protection, is more received by the market.
As preferably, in above-mentioned wheel hub electric motor of electric vehicle, described rotor internal diameter is 243mm, and described stator outer diameter 237mm, the motor performance adopting this parameter to produce is best.
Protection of the present invention is not limited to ten cun of wheel hub motors, and other size wheel hub motor of every employing design of the present invention and structure is also because belonging to category of the present invention.
Claims (5)
1. a wheel hub electric motor of electric vehicle, described wheel hub motor is ten cun of motors, comprise rotor and Stator and electrical machine axis, described stator and motor axis carry out axial location, described rotor comprises wheel rim and inner ring, inner ring is connected on wheel rim inwall, the limit lid at motor two ends is fixed on the inner ring of the built-in hub that can freely rotate vertically, it is characterized in that: described inner ring comprises iron ring in the interior iron ring of brake end and rotor, in described rotor, the internal diameter of iron ring is 213mm ~ 250mm, and the external diameter of described stator is 206mm ~ 246mm.
2. a kind of wheel hub electric motor of electric vehicle as claimed in claim 1, is characterized in that: in described rotor, the internal diameter of iron ring is 243mm, described stator outer diameter 237mm.
3. a kind of wheel hub electric motor of electric vehicle as claimed in claim 1, is characterized in that: in described brake end, iron ring is connected in the lug boss in the middle of wheel rim inwall, and in described rotor, iron ring is connected on the inwall outside wheel rim lug boss; In brake end, the internal diameter of iron ring is less than the internal diameter of iron ring in rotor.
4. a kind of wheel hub electric motor of electric vehicle as claimed in claim 1, is characterized in that: have an end cap and brake holds interior iron ring to be connected, this side end cap is provided with shoe-type brake hubs or disk brake pedestal, and in another end cap and rotor, iron ring is connected.
5. a kind of wheel hub electric motor of electric vehicle as claimed in claim 1, is characterized in that: in described rotor, the width of iron ring is 20mm ~ 80mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510123286.7A CN104734417A (en) | 2015-03-20 | 2015-03-20 | Electric vehicle hub motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510123286.7A CN104734417A (en) | 2015-03-20 | 2015-03-20 | Electric vehicle hub motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104734417A true CN104734417A (en) | 2015-06-24 |
Family
ID=53457980
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510123286.7A Pending CN104734417A (en) | 2015-03-20 | 2015-03-20 | Electric vehicle hub motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104734417A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113573903A (en) * | 2019-03-26 | 2021-10-29 | 索尼集团公司 | Multilayer structure, in-wheel motor and electronic round |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1245994A (en) * | 1998-08-21 | 2000-03-01 | 株式会社岛野 | Salient pole type electric generator and bicycle |
| CN1312179A (en) * | 2000-01-31 | 2001-09-12 | 株式会社岛野 | Bicycle hub |
| CN201051698Y (en) * | 2007-04-30 | 2008-04-23 | 杨光笋 | Deviated car electromotor |
| CN201234197Y (en) * | 2008-07-22 | 2009-05-06 | 戴杰 | Permanent magnet brushless direct driving motor for single side axis automobile hub |
| CN202413272U (en) * | 2011-12-29 | 2012-09-05 | 宁波北斗科技有限公司 | Motor hub for electric vehicle |
| CN103795211A (en) * | 2012-11-02 | 2014-05-14 | 苏州博尊科技有限公司 | Mother-son-type wheel hub motor |
| CN103904791A (en) * | 2014-03-24 | 2014-07-02 | 台州市金宇机电有限公司 | High-power efficient motor used for electric vehicle |
| CN203933171U (en) * | 2014-06-11 | 2014-11-05 | 温岭市九洲电机制造有限公司 | A kind of wheel hub electric motor of electric vehicle |
| EP2805832A1 (en) * | 2012-01-20 | 2014-11-26 | Chengdu Youyang Electromechanical Product Design Co. Ltd. | Wheel hub, wheel hub motor vehicle wheel, and electric vehicle |
| CN204578287U (en) * | 2015-03-20 | 2015-08-19 | 台州市路桥鼎新阳光机电科技有限公司 | A kind of wheel hub electric motor of electric vehicle |
-
2015
- 2015-03-20 CN CN201510123286.7A patent/CN104734417A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1245994A (en) * | 1998-08-21 | 2000-03-01 | 株式会社岛野 | Salient pole type electric generator and bicycle |
| CN1312179A (en) * | 2000-01-31 | 2001-09-12 | 株式会社岛野 | Bicycle hub |
| CN201051698Y (en) * | 2007-04-30 | 2008-04-23 | 杨光笋 | Deviated car electromotor |
| CN201234197Y (en) * | 2008-07-22 | 2009-05-06 | 戴杰 | Permanent magnet brushless direct driving motor for single side axis automobile hub |
| CN202413272U (en) * | 2011-12-29 | 2012-09-05 | 宁波北斗科技有限公司 | Motor hub for electric vehicle |
| EP2805832A1 (en) * | 2012-01-20 | 2014-11-26 | Chengdu Youyang Electromechanical Product Design Co. Ltd. | Wheel hub, wheel hub motor vehicle wheel, and electric vehicle |
| CN103795211A (en) * | 2012-11-02 | 2014-05-14 | 苏州博尊科技有限公司 | Mother-son-type wheel hub motor |
| CN103904791A (en) * | 2014-03-24 | 2014-07-02 | 台州市金宇机电有限公司 | High-power efficient motor used for electric vehicle |
| CN203933171U (en) * | 2014-06-11 | 2014-11-05 | 温岭市九洲电机制造有限公司 | A kind of wheel hub electric motor of electric vehicle |
| CN204578287U (en) * | 2015-03-20 | 2015-08-19 | 台州市路桥鼎新阳光机电科技有限公司 | A kind of wheel hub electric motor of electric vehicle |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113573903A (en) * | 2019-03-26 | 2021-10-29 | 索尼集团公司 | Multilayer structure, in-wheel motor and electronic round |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11299031B2 (en) | Wheel hub motor for electric vehicle | |
| CN204578287U (en) | A kind of wheel hub electric motor of electric vehicle | |
| CN104734417A (en) | Electric vehicle hub motor | |
| CN101917104A (en) | Wheel permanent-magnet generator | |
| CN204794530U (en) | In -wheel motor of electric motor car | |
| CN211281367U (en) | In-wheel motor and electric motor car | |
| CN204481627U (en) | A kind of stator is biased wheel hub electric motor of electric vehicle | |
| CN104734416B (en) | A kind of stator biases wheel hub electric motor of electric vehicle | |
| CN104953738A (en) | Permanent-magnet synchronous motor and vehicle | |
| CN203774916U (en) | Permanent magnet synchronous motor and vehicle | |
| CN205791851U (en) | A kind of wheel hub electric motor of electric vehicle increasing stator and rotor size | |
| CN203537155U (en) | No-magnetic resistance wheel hub motor for electric car | |
| CN105914982B (en) | A kind of electric wheel hub of bilateral magnetic circuit | |
| CN204145243U (en) | A kind of hub-type electric rotating machine | |
| CN210310748U (en) | Wheel hub motor assembly, wheel assembly and vehicle | |
| CN201601587U (en) | Motor for hybrid electric vehicle | |
| CN113531033A (en) | Electric wheel with energy recovery and multi-direction damping function | |
| CN218276327U (en) | New forms of energy in-wheel motor damping device | |
| CN203135599U (en) | Brushless wheel hub motor cooperated with pole groove | |
| CN203933318U (en) | A kind of lid rim integral electric wheel hub motor | |
| CN204761173U (en) | Vehicle -specific amorphous motor | |
| CN210133000U (en) | New energy automobile wheel hub motor | |
| CN202513684U (en) | Brushless driving motor for motor cycle | |
| CN210327193U (en) | Split type in-wheel motor, wheel and vehicle | |
| CN211151638U (en) | 48EH neodymium iron boron magnet for new energy |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150624 |
|
| WD01 | Invention patent application deemed withdrawn after publication |