CN102602280B - In-wheel motor and off-vehicle charging hybrid vehicle carrying same - Google Patents
In-wheel motor and off-vehicle charging hybrid vehicle carrying same Download PDFInfo
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- CN102602280B CN102602280B CN201210078750.1A CN201210078750A CN102602280B CN 102602280 B CN102602280 B CN 102602280B CN 201210078750 A CN201210078750 A CN 201210078750A CN 102602280 B CN102602280 B CN 102602280B
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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
- Y02T10/62—Hybrid vehicles
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- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention provides an in-wheel motor and an off-vehicle charging hybrid vehicle carrying the same. The in-wheel motor comprises an annular rotor, a rotor flange, an annular stator, a bearing unit and a connecting rod, wherein the annular rotor is arranged on the outer side of a brake drum, the center of the annular rotor is positioned on a rotary axis of the brake drum, the rotor flange is arranged between the outer end face of the brake drum and a mounting surface of a wheel and is connected with the annular rotor and the brake drum, the annular stator is arranged in the wheel and positioned on the outer side of the annular rotor, the bearing unit is arranged between the annular rotor and the annular stator and used for supporting the annular stator on the annular rotor, and the connecting rod is used for connecting the annular stator onto a drag arm of a suspension.
Description
Technical field
The present invention relates to a kind of in-wheel motor and carry the externally rechargeable type mixed power vehicle of this in-wheel motor.
Background technology
In recent years, the exhaustion increasingly of oil resources and the day by day serious of environmental pollution, impel electronlmobil to put on market successively.But compared with the purchased and traditional combustion engine automobile of place in operation, the market maintenance of electronlmobil is still few.
Obviously, compared with reaching the electronlmobil of 50% with 100,000 effects of energy saving and emission reduction, the internal-combustion engines vehicle of 1,000 ten thousand effects of energy saving and emission reduction 10% is more great for the meaning of society.Therefore, to have certain effects of energy saving and emission reduction, cost lower and be easy to the external member of reequiping traditional combustion engine automobile in the urgent need to a kind of in market.
U.S. Patent application US2008/0257620A1 disclose a kind of can the drive system of external charge motor vehicle driven by mixed power, it comprises combustion engine, motor, electric machine controller, power brick, onboard charger and charge port on the wheel being arranged in lateral wheel.On wheel, the rotor of motor is connected with lateral wheel and transferring power, and stator is by draw from stator center and the pipe link be connected to the vehicle body near wheel is connected.
U.S. Patent application US2011/0011656A1 disclose a kind of can the drive system of external charge motor vehicle driven by mixed power, it comprises combustion engine, motor and speed reduction gearing thereof, electric machine controller, power brick, onboard charger and charge port on the wheel being arranged in lateral wheel.On wheel, the rotor of motor is connected and transferring power with lateral wheel by its speed reduction gearing, and stator is connected on the vehicle body near wheel by pipe link by means of the housing of speed reduction gearing.
Above-mentioned the drive system of external charge motor vehicle driven by mixed power can exist following problem: although the upper motor of wheel is arranged on lateral wheel, little to the change of vehicle, obviously increases the width of vehicle, have certain potential safety hazard; The pipe link increased is exposed to outside vehicle body, has obvious impact for vehicle body outward appearance.In addition, on wheel, the installation of motor needs the wheel matched, and therefore, the wheel of former car must be changed, and causes repacking cost to increase.
Therefore, also there is a kind of demand of former car being changed to less drive system of hybrid power vehicle of invention.
Summary of the invention
The object of the invention is to overcome above-mentioned shortcoming of the prior art, a kind of in-wheel motor being provided and carrying the externally rechargeable type mixed power vehicle of this in-wheel motor.
According to an aspect of the present invention, a kind of in-wheel motor is provided, is characterized in, comprising:
Ring-shaped rotor, is arranged in the outside of brake wheel, and it is centrally located on the rotation axis of brake wheel;
Rotor flange, is arranged between the outer face of brake wheel and the attachment face of wheel, connects ring-shaped rotor and brake wheel;
Stationary torus, is arranged in wheel, and is positioned at outside ring-shaped rotor;
Bearing unit, it is arranged between ring-shaped rotor and stationary torus, is supported on by stationary torus on ring-shaped rotor; And pipe link, stationary torus is connected on the towing arm of suspension.
In this in-wheel motor, between inside ring-shaped rotor and outside brake wheel, there is certain gap.
In this in-wheel motor, rotor flange is just having breather port to the position in the gap between inside ring-shaped rotor and outside brake wheel, and breather port forms the air-flow flowing to inner side or reversing sense flowing from lateral wheel when rotating with rotor flange.
In this in-wheel motor, the thickness of rotor flange is not more than 2mm.
In this in-wheel motor, between outside stationary torus and inside wheel, there is certain gap.
In this in-wheel motor, bearing unit is antifriction-bearing box or plain bearing.
In this in-wheel motor, pipe link is rigid rod, and its one end is fixed on stationary torus, and the other end is fixed on suspension towing arm.
According to another aspect of the present invention, a kind of externally rechargeable type mixed power vehicle is provided, is characterized in, comprises,
Driving engine, it is for driving front-wheel;
Back axle, it has brake wheel;
Rear suspension, it has towing arm;
Described in-wheel motor, wherein wheel is trailing wheel, and suspension is rear suspension, and in-wheel motor is for driving trailing wheel;
Electric machine controller, it is electrically connected described in-wheel motor, for driving described in-wheel motor;
Electrokinetic cell bag, it is electrically connected described electric machine controller, for providing the direct supply needed for the in-wheel motor described in driving; And
Onboard charger, its electrical connection external power supply and electrokinetic cell bag, and utilize external power supply to charge to power brick.
Accompanying drawing explanation
Fig. 1 is the partial schematic sectional view of a specific embodiment of in-wheel motor of the present invention.
Fig. 2 is the system chart of a specific embodiment of externally rechargeable type mixed power vehicle of the present invention.
In figure: 1 in-wheel motor; 2 ring-shaped rotors; 3 brake wheels; 4 rotor flanges; 5 wheels; 6 stationary toruss; 7 bearing units; 8 pipe links; 9 rear suspensions; 91 towing arms; 10 externally rechargeable type mixed power vehicles; 11 driving engines; 12 front-wheels; 13 back axles; 14 drum brake mechanisms; 15 trailing wheels; 16 electric machine controllers; 17 electrokinetic cell bags; 18 onboard chargers.
Detailed description of the invention
In order to more clearly understand technology contents of the present invention, describe in detail especially exemplified by following examples.Should be understood that embodiment is only for illustration of the present invention, instead of limitation of the present invention.
Fig. 1 is the system chart of the in-wheel motor 1 of the embodiment of the present invention.
With reference to figure 1, in-wheel motor 1 comprises: ring-shaped rotor 2, is arranged in the outside of brake wheel 3, and it is centrally located on the rotation axis of brake wheel 3; Rotor flange 4, connects ring-shaped rotor 2 and brake wheel 3; Stationary torus 6, is arranged in wheel 5, and is positioned at the outside of ring-shaped rotor 2; Bearing unit 7, it is arranged between ring-shaped rotor 2 and stationary torus 6, for stationary torus 6 is supported on ring-shaped rotor 2; And pipe link 8, stationary torus 6 is connected on the towing arm 91 of suspension 9.
In the vehicles such as economy car that is purchased and that use in a large number and part SUV, rear suspension many employings trailing arm type suspension.This type of suspension frame structure is simple, and cost is lower, but can provide enough traveling comforts.Trailing arm type suspension comprises towing arm, bumper, torsion beam and Panhard rod etc., and wherein, wheel and drg are connected on vehicle body by towing arm.
In above-mentioned vehicle, also have employed drum brake mechanism in a large number as rear brake.Compared with plate disc brake, the radiating condition of drum brake mechanism is slightly poor, but because cost is lower, therefore, still obtains a large amount of application.The brakig force distribution of car load is many after the first seven three, and therefore, the size of rear brake is less than front brake, and the space between inside itself and wheel is larger.And trailing wheel mostly is non-wheel flutter, therefore, comparatively repacking is applicable to.
Investigate discovery according to the whole world 17 countries, 12500 adults, only have a few peoples' every day actual driving distance more than 80 kilometers.The Chinese driver of 79% drives the distance of less than 80 kilometers every day on working day, and the U.S. is 77%, and Europe is 80%, and Japan is 94%.In addition, within the time of using cars of 80%, driver and a passenger in car, is only had.Therefore, for the urban family car of this type of purposes, repacked into externally rechargeable type mixed power automobile, the electrokinetic cell of required outfit wraps in below 8kWh.And when usual short distance travels, use pure motor driving pattern as far as possible, higher economy can be obtained, comprise extremely low routine use expense.
This type of urban family car, its car weight carrying two people is about 1.3 ~ 1.5 tons, and due to urban road more smooth, the overpass gradient is less, and red light is more, and the speed of a motor vehicle is no more than 60km/h, and the demand for driving power is little.Statistics for all kinds of cities state of cyclic operation shows, the driving power in short-term of this type of vehicle is about 20kW, and continuous drive power is about 10kW, can meet the demand that vehicle travels.Therefore, required its rating horsepower of electrical motor added of repacking vehicle is 10kW, reaches 20kW in short-term.The electric motor system crossing high power level will increase cost and quality, and add the difficulty of arranging onboard, therefore, be N/R.
Brake wheel on the rear suspension of above-mentioned vehicle and increase the little in-wheel motor of power between wheel, repack internal-combustion engines vehicle into externally rechargeable type mixed power automobile, due to minimum to the change amount of former car, therefore, be highly advantageous to large-scale promotion and use on the internal-combustion engines vehicle of place in operation.
In-wheel motor 1 is the annular generator that a rating horsepower is about 5kW, and in the wheel of the left and right sides, each layout one, therefore can provide the continuous drive power of gross horsepower 10kW.The maximum speed of revolution of single annular generator is suitable with wheel, and its maximum torque is 100Nm, and rated speed of rotation is 500rpm, and the corresponding speed of a motor vehicle is about 50km/h.The invariable power district of motor can reach 1000rpm, and the corresponding speed of a motor vehicle is 100km/h.More than 100km/h, be also more than motor speed 1000rpm, machine operation can be set or do not work.Car brakeing within the scope of speed of a motor vehicle 100km/h, in-wheel motor 1 can provide limited regenerative brake torque, recovery section braking energy.
In-wheel motor 1 is an inner rotor motor, has certain gap between the inner side of its ring-shaped rotor 2 and the outside of brake wheel 3.Because the radiating condition of brake wheel 3 is poor, therefore, in order to avoid heat is directly delivered on ring-shaped rotor 3, between two parts, certain gap is left.
Rotor flange 4 is arranged between the outer face of brake wheel 3 and the attachment face of wheel 5, connects ring-shaped rotor 2 and brake wheel 3.Rotor flange 4 is just having breather port 41 to the position in the gap between the inner side of ring-shaped rotor 2 and the outside of brake wheel 3, breather port 41 forms the air-flow flowing to inner side or reversing sense flowing from the outside of wheel 5 when rotating with rotor flange 4, for the heat radiation of brake wheel 3.
Rotor flange 4 has certain thickness, and when it is arranged between the outer face of brake wheel 3 and the attachment face of wheel 5, the offset of wheel 5 will change.In order to limit the change of offset, do not have a negative impact to the motion characteristics of rear suspension and wheel, the thickness of rotor flange 4 is not more than 2mm.Because the motor torque transmitted is little, adopt the thick steel plate punched of 1.5mm to make and there is enough rigid shapes, ring-shaped rotor 2 is connected with wheel 5.
Between the outside of stationary torus 6 and the inner side of wheel 5, there is certain gap, interfere when avoiding wheel 5 to rotate.In addition, the air-flow produced when wheel 5 rotates will flow through this gap, dispel the heat to stationary torus 6.
Bearing unit 7 not only for the maintenance in gap required between ring-shaped rotor 3 and stationary torus 6, and for the stationary torus 6 being positioned at outside is supported on the ring-shaped rotor 3 of locating by means of rotor flange 4.Bearing unit 7 can be antifriction-bearing box or plain bearing, and its diameter is comparatively large, and therefore, the rigidity of bearing unit 7 is larger.
Compared with the mounting means of common in-wheel motor, the fixed form of the stationary torus 6 of in-wheel motor 1 is more special.The former over-borrowing helps hub bearing and positions, and the mechanism by means of stator flange or amendment steering swivel etc. is fixed.In embodiments of the present invention, owing to can not change rear suspension 9, therefore, have employed the mode that pipe link supports.
Pipe link 8 is rigid rod, and its one end is fixed on the corresponding construction of stationary torus 6, and the other end is fixed on the hold-down bolt of towing arm 91 end of suspension 9.Pipe link 8 is for having the hollow rod of enough rigidity.Because the torque of in-wheel motor 1 is little, the application force acted on stationary torus 6 is also little, and therefore, pipe link 8 can make light structure.
In addition, because in-wheel motor 1 is beated together with wheel 5, therefore, the isostructural weight of in-wheel motor 1 of increase belongs to non-suspended mass, and it requires as more light better.Because the power of in-wheel motor 1 is less, mounting structure is simple, and therefore, the non-suspended mass of increase is less, can not produce adverse influence to wheel ground integrity and travelling comfort.
Fig. 2 is the block diagram of the externally rechargeable type mixed power vehicle of the embodiment of the present invention.
As shown in Figure 2, externally rechargeable type mixed power vehicle 10 comprises: driving engine 11, and it is for driving front-wheel 12; Back axle 13, it has drum brake mechanism 14, has brake wheel 3; Rear suspension, it is trailing type suspension, has towing arm 91; Described in-wheel motor 1, the concrete wheel 5 installed is trailing wheel 15, and suspension 9 is rear suspension, and therefore here, in-wheel motor 1 is for driving trailing wheel 15; Electric machine controller 16, it connects described in-wheel motor 1, for driving described in-wheel motor 1; Electrokinetic cell bag 17, it connects described electric machine controller 16, for providing the direct supply driven needed for in-wheel motor 1; And onboard charger 18, it charges to electrokinetic cell bag 17 for external ac power source being converted to direct current (DC) for connecting external power supply (not shown) and electrokinetic cell bag 17.
Therefore, in the externally rechargeable type mixed power vehicle 10 of the embodiment of the present invention, described in-wheel motor 1 is arranged on to be had on the back axle 13 of drum brake mechanism 14, and one end of its pipe link 8 connects the towing arm 91 of rear suspension.
In addition, electric machine controller 16, electrokinetic cell bag 17 and onboard charger 18 can be arranged in boot.Due to lighter weight, therefore, any adverse influence can not be produced to the performance of vehicle.
According to the present invention, a kind of externally rechargeable type mixed power vehicle of reequiping in-wheel motor easily and carrying this in-wheel motor can be obtained.
The in-wheel motor of the embodiment of the present invention, is also applicable to structure and the suitable repacking with the rear suspension of other types or the internal-combustion engines vehicle of plate disc brake of size.
The present invention is not limited to above-described embodiment, but cover carry out when not departing from the spirit and scope of the present invention institute change and revise.These change and amendment should not be considered to depart from the spirit and scope of the present invention, and all amendments that such as it will be apparent to those skilled in the art that all should be included within the scope of the appended claims.
Claims (8)
1. an in-wheel motor, comprising:
Ring-shaped rotor, it is centrally located on the rotation axis of brake wheel;
Stationary torus, is arranged in wheel, and is positioned at the radial outside of ring-shaped rotor;
Bearing unit, it is arranged between ring-shaped rotor and stationary torus;
It is characterized in that,
Described ring-shaped rotor is arranged in the radial outside of brake wheel;
Described stationary torus is supported on described ring-shaped rotor by described bearing unit;
Described in-wheel motor also comprises:
Rotor flange, is arranged between the outer face of brake wheel and the attachment face of wheel, connects described ring-shaped rotor and brake wheel; And pipe link, stationary torus is connected on the towing arm of suspension.
2. in-wheel motor according to claim 1, is characterized in that,
Between inside ring-shaped rotor and outside brake wheel, there is certain gap.
3. in-wheel motor according to claim 1, is characterized in that,
Rotor flange is just having breather port to the position in the gap between inside ring-shaped rotor and outside brake wheel, and breather port forms the air-flow flowing to inner side or reversing sense flowing from lateral wheel when rotating with rotor flange.
4. in-wheel motor according to claim 1, is characterized in that,
The thickness of rotor flange is not more than 2mm.
5. in-wheel motor according to claim 1, is characterized in that,
Between outside stationary torus and inside wheel, there is certain gap.
6. in-wheel motor according to claim 1, is characterized in that,
Bearing unit is antifriction-bearing box or plain bearing.
7. in-wheel motor according to claim 1, is characterized in that,
Pipe link is rigid rod, and its one end is fixed on stationary torus, and the other end is fixed on the towing arm of suspension.
8. an externally rechargeable type mixed power vehicle, is characterized in that, comprises,
Driving engine, it is for driving front-wheel;
Back axle, it has brake wheel;
Rear suspension, it has towing arm;
In-wheel motor according to claim 1, wherein wheel is trailing wheel, and suspension is rear suspension, and in-wheel motor is for driving trailing wheel;
Electric machine controller, it is electrically connected described in-wheel motor, for driving described in-wheel motor;
Electrokinetic cell bag, it is electrically connected described electric machine controller, for providing the direct supply needed for the in-wheel motor described in driving; And
Onboard charger, its electrical connection external power supply and electrokinetic cell bag, and utilize external power supply to charge to power brick.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210078750.1A CN102602280B (en) | 2012-03-22 | 2012-03-22 | In-wheel motor and off-vehicle charging hybrid vehicle carrying same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210078750.1A CN102602280B (en) | 2012-03-22 | 2012-03-22 | In-wheel motor and off-vehicle charging hybrid vehicle carrying same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102602280A CN102602280A (en) | 2012-07-25 |
| CN102602280B true CN102602280B (en) | 2015-05-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210078750.1A Expired - Fee Related CN102602280B (en) | 2012-03-22 | 2012-03-22 | In-wheel motor and off-vehicle charging hybrid vehicle carrying same |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105437950B (en) * | 2014-09-30 | 2019-02-15 | 上海中科深江电动车辆有限公司 | Wheel drive system |
| CN110121441B (en) * | 2017-01-10 | 2022-06-17 | 日立安斯泰莫株式会社 | Motor driving device |
| JP7172239B2 (en) * | 2018-07-24 | 2022-11-16 | トヨタ自動車株式会社 | Vehicle drive system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5382854A (en) * | 1992-07-29 | 1995-01-17 | Kabushikikaisha Equos Research | Electrical motor drive apparatus with planetary gearing |
| JPH0781430A (en) * | 1993-09-17 | 1995-03-28 | Kokuritsu Kankyo Kenkyusho | Drive device of electric vehicle |
| CN2454186Y (en) * | 2000-12-20 | 2001-10-17 | 王培珠 | Electric auxiliary driving device for automobile |
| JP2006103392A (en) * | 2004-10-01 | 2006-04-20 | Ogino Kogyo Kk | Wheel motor |
| DE102009035176A1 (en) * | 2009-07-29 | 2011-02-10 | Daimler Ag | Wheel hub drive for motor vehicle e.g. passenger car, has disk brake system including brake caliper that is arranged in recess, where recess is provided in stator of electric machine |
-
2012
- 2012-03-22 CN CN201210078750.1A patent/CN102602280B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5382854A (en) * | 1992-07-29 | 1995-01-17 | Kabushikikaisha Equos Research | Electrical motor drive apparatus with planetary gearing |
| JPH0781430A (en) * | 1993-09-17 | 1995-03-28 | Kokuritsu Kankyo Kenkyusho | Drive device of electric vehicle |
| CN2454186Y (en) * | 2000-12-20 | 2001-10-17 | 王培珠 | Electric auxiliary driving device for automobile |
| JP2006103392A (en) * | 2004-10-01 | 2006-04-20 | Ogino Kogyo Kk | Wheel motor |
| DE102009035176A1 (en) * | 2009-07-29 | 2011-02-10 | Daimler Ag | Wheel hub drive for motor vehicle e.g. passenger car, has disk brake system including brake caliper that is arranged in recess, where recess is provided in stator of electric machine |
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| Publication number | Publication date |
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| CN102602280A (en) | 2012-07-25 |
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