CN104734416A - Stator offset electric vehicle hub motor - Google Patents
Stator offset electric vehicle hub motor Download PDFInfo
- Publication number
- CN104734416A CN104734416A CN201510123250.9A CN201510123250A CN104734416A CN 104734416 A CN104734416 A CN 104734416A CN 201510123250 A CN201510123250 A CN 201510123250A CN 104734416 A CN104734416 A CN 104734416A
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- CN
- China
- Prior art keywords
- stator
- iron ring
- motor
- rotor
- ring
- Prior art date
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/102—Structural association with clutches, brakes, gears, pulleys or mechanical starters with friction brakes
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
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- 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
Abstract
The invention relates to a stator offset electric vehicle hub motor. The stator offset electric vehicle hub motor comprises a rotor, a stator and a motor middle shaft. The stator and the motor middle shaft are axially positioned, motor end covers are arranged on the outer side of the rotor, and the end covers at the two ends of a motor are fixed to an iron ring arranged in a hub capable of freely rotating in the axial direction. The rotor comprises a rim and an inner ring, the inner ring comprises a magnetic conductive ring iron ring and a fixing inner ring, the internal diameter of the magnetic conductive ring iron ring is larger than that of the fixing inner ring, the fixing inner ring is fixedly connected to the inner wall of the rim, the magnetic conductive ring iron ring is fixedly connected to the outer side of the rim, and the motor stator and the magnetic conductive ring iron ring are concentrically arranged and offset relative to the rim. The size of the magnetic conductive ring iron ring is increased, the motor stator and the magnetic conductive ring iron ring are concentrically arranged and offset relative to the rim, the internal diameter of the rotor and the external diameter of the stator are increased, the working arms of force of magnetic fields of the stator and the rotor are increased, and therefore the torque and the power density of the hub motor are improved.
Description
Technical field
The invention belongs to vehicle technology field, relate to a kind of stator and be biased 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, Xu Xie producer carrys out the power performance of lifting motor by increasing the size of motor wheel hub, but brings 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 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
A kind of stator is the object of the present invention is to provide to be biased 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 stator is biased wheel hub electric motor of electric vehicle, comprise rotor and Stator and electrical machine axis, described stator and motor axis carry out axial location, and described rotor comprises wheel rim and lateral deviation is put, interior iron ring, it is characterized in that: it is magnetic guiding loop iron ring that described lateral deviation puts iron ring; Described interior iron ring is iron ring in brake end, the internal diameter of magnetic guiding loop iron ring is greater than the internal diameter of iron ring in brake end, brake end in iron ring be connected on wheel rim inwall, magnetic guiding loop iron ring is connected in the outside portion of wheel rim, motor stator corresponding with magnetic guiding loop iron ring position and relative to wheel rim be biased arrange.
Described wheel hub motor is ten cun of motors, and its rotor internal diameter is between 251mm ~ 350mm, and stator outer diameter is between 247mm ~ 345mm.
Have an end cap and brake to hold limit to cover interior iron ring to be connected, this end cap is provided with shoe-type brake hubs or disk brake pedestal, and another end cap and magnetic guiding loop iron ring are connected.
The internal diameter of described magnetic guiding loop iron ring is greater than the external diameter of iron ring in the lid of brake end limit and can be greater than the external diameter of wheel rim but be less than the external diameter of tire.
In described rotor, the height of iron ring is 20mm ~ 80mm.
As preferably, be biased in wheel hub electric motor of electric vehicle at above-mentioned a kind of stator, in described rotor, iron ring internal diameter is 260mm, corresponding stator outer diameter 254mm.The motor cost performance adopting this parameter to produce is the highest.In described rotor, the height of iron ring is 20mm ~ 80mm, 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 biased by stator and significantly increases the internal diameter of rotor and the external diameter of stator, significantly 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, and owing to increasing the surface area of motor, radiating effect 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, the wheel hub electric motor of electric vehicle of the present invention is by strengthening the groove area of iron core, adds the consumption of winding, reduces copper loss and reduce electric machine temperature rise, improve the anti-overload ability of motor simultaneously.
3, the wheel hub electric motor of electric vehicle of the present invention 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 that this stator is biased wheel hub electric motor of electric vehicle.
Embodiment
As shown in Figure 1, a kind of stator is biased in 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 interior iron ring, interior iron ring is connected on wheel rim 11 inwall, the limit lid 3 at motor two ends is fixed on the interior iron ring of the built-in hub that can freely rotate vertically, described interior iron 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 outside wheel rim 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 251mm ~ 350mm, described stator 2 external diameter is between 247mm ~ 345mm, the internal diameter 260mm of iron ring 13 in wherein said rotor, described stator outer diameter 254mm is optimal case, wherein a side end cap 3 and brake hold interior iron ring 12 to be connected, and this side end cap 3 is provided with shoe-type brake hubs or disk brake pedestal, and opposite side end cap 3 is connected with iron ring 13 in rotor.
The stator of the present invention is biased wheel hub electric motor of electric vehicle and improves for ten cun of wheel hub motors, ten cun of wheel hub motor maximum outside diameter 254mm, the present invention is arranged by the skew of rotor iron ring, 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, and owing to increasing the surface area of motor, radiating effect 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 260mm, and described stator outer diameter 254mm, the motor performance adopting this parameter to produce is best.
Protection of the present invention is not limited to 10 cun of (254mm) 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 stator is biased wheel hub electric motor of electric vehicle, comprise rotor and Stator and electrical machine axis, described stator and motor axis carry out axial location, described rotor comprises wheel rim and interior iron ring, it is characterized in that: interior iron ring comprises iron ring in magnetic guiding loop iron ring and brake end limit lid, the internal diameter of magnetic guiding loop iron ring is greater than the internal diameter of iron ring in the lid of brake end limit, in the lid of brake end limit, iron ring is connected on wheel rim inwall, magnetic guiding loop iron ring is connected in the outside portion of wheel rim, and motor stator is corresponding with magnetic guiding loop iron ring position and biasedly relative to wheel rim arrange.
2. a kind of stator as claimed in claim 1 is biased wheel hub electric motor of electric vehicle, it is characterized in that: described wheel hub motor is ten cun of motors, and its rotor internal diameter is between 251mm ~ 350mm, and stator outer diameter is between 247mm ~ 345mm.
3. a kind of stator as claimed in claim 1 is biased wheel hub electric motor of electric vehicle, it is characterized in that: wherein a side end cap and brake hold interior iron ring to be connected, and this side end cap is provided with shoe-type brake hubs or disk brake pedestal, and opposite side end cap and magnetic guiding loop iron ring are connected.
4. a kind of stator as claimed in claim 1 is biased wheel hub electric motor of electric vehicle, it is characterized in that: the internal diameter of described magnetic guiding loop iron ring is greater than the external diameter of iron ring in brake end and can be greater than the external diameter of wheel rim but be less than the external diameter of tire.
5. a kind of stator as claimed in claim 1 is biased wheel hub electric motor of electric vehicle, it is characterized in that: in described rotor, the height of iron ring is 20mm ~ 80mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510123250.9A CN104734416B (en) | 2015-03-20 | 2015-03-20 | A kind of stator biases wheel hub electric motor of electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510123250.9A CN104734416B (en) | 2015-03-20 | 2015-03-20 | A kind of stator biases wheel hub electric motor of electric vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104734416A true CN104734416A (en) | 2015-06-24 |
| CN104734416B CN104734416B (en) | 2017-03-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510123250.9A Active CN104734416B (en) | 2015-03-20 | 2015-03-20 | A kind of stator biases wheel hub electric motor of electric vehicle |
Country Status (1)
| Country | Link |
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| CN (1) | CN104734416B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107959375A (en) * | 2017-12-28 | 2018-04-24 | 台州市金宇机电有限公司 | A kind of nonstandard electric vehicle hub direct driving motor |
Citations (9)
| 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 |
| CN202413272U (en) * | 2011-12-29 | 2012-09-05 | 宁波北斗科技有限公司 | Motor hub for electric vehicle |
| CN202481627U (en) * | 2012-03-19 | 2012-10-10 | 王春华 | Infusion apparatus collector |
| 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 |
| CN204481627U (en) * | 2015-03-20 | 2015-07-15 | 台州市路桥鼎新阳光机电科技有限公司 | A kind of stator is biased wheel hub electric motor of electric vehicle |
-
2015
- 2015-03-20 CN CN201510123250.9A patent/CN104734416B/en active Active
Patent Citations (9)
| 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 |
| 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 |
| CN202481627U (en) * | 2012-03-19 | 2012-10-10 | 王春华 | Infusion apparatus collector |
| 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 |
| CN204481627U (en) * | 2015-03-20 | 2015-07-15 | 台州市路桥鼎新阳光机电科技有限公司 | A kind of stator is biased wheel hub electric motor of electric vehicle |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107959375A (en) * | 2017-12-28 | 2018-04-24 | 台州市金宇机电有限公司 | A kind of nonstandard electric vehicle hub direct driving motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104734416B (en) | 2017-03-01 |
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