CN107458210A - A kind of integrated electronic wheel system based on shunt field composite excitation structure - Google Patents
A kind of integrated electronic wheel system based on shunt field composite excitation structure Download PDFInfo
- Publication number
- CN107458210A CN107458210A CN201710575853.1A CN201710575853A CN107458210A CN 107458210 A CN107458210 A CN 107458210A CN 201710575853 A CN201710575853 A CN 201710575853A CN 107458210 A CN107458210 A CN 107458210A
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- China
- Prior art keywords
- fixed
- motor housing
- composite excitation
- wheel system
- integrated electronic
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K7/00—Disposition of motor in, or adjacent to, traction wheel
- B60K7/0007—Disposition of motor in, or adjacent to, traction wheel the motor being electric
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
- B60K17/043—Transmission unit disposed in on near the vehicle wheel, or between the differential gear unit and the wheel
- B60K17/046—Transmission unit disposed in on near the vehicle wheel, or between the differential gear unit and the wheel with planetary gearing having orbital motion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T1/00—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles
- B60T1/02—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels
- B60T1/06—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels acting otherwise than on tread, e.g. employing rim, drum, disc, or transmission or on double wheels
- B60T1/065—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels acting otherwise than on tread, e.g. employing rim, drum, disc, or transmission or on double wheels employing disc
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
Abstract
The invention discloses a kind of integrated electronic wheel system based on shunt field composite excitation structure, including the structure such as armature winding, magnetic conductor and its extension, Exciting Windings for Transverse Differential Protection, brake, planetary mechanism, wheel rim.The wheel rim is connected by bearings on motor support axle, while by bolt with planet carrier, and concomitant rotation.Motor housing is fixed on motor support axle, and armature core and armature winding are fixed on the stator being connected with motor housing, and Exciting Windings for Transverse Differential Protection is fixed on stationary annular magnetic conduction bridge, and the latter is connected on motor housing, and magnetic conductor is close to the permanent magnet on rotor.The sun gear of planetary mechanism is fixed on rotor field spider, and gear ring is fixed on motor housing, in planetary gear support planet carrier.Brake disc is connected with planet carrier, and concomitant rotation, and the caliper of brake is fixed on motor housing.This system is not only simple in structure that compact, integrated level is high, and has the advantages that power density is high, magnetic field is adjustable and torque mass ratio is big.
Description
Technical field
The present invention relates to a kind of drive system of electric automobile, more particularly to a kind of distributed hub drive system, is specifically
A kind of integrated electronic wheel system based on shunt field composite excitation structure.
Background technology
In recent years, environmental problem and energy crisis allow it was recognized that environmental protection and the importance using new energy.More
Start to be used in automotive field come more new energy, electric automobile gradually steps into the visual field of people, and it has been increasingly becoming green
The vehicles that colour circle is protected.In many new energy technologies, wheel hub actuation techniques represent the advanced research of Development of Electric Vehicles
Direction.The advantage of distributed wheel hub driving is there is higher integrated level, and vehicle can utilize more spaces in terms of layout.
But the parts such as wheel hub motor, reducing gear, brake are highly integrated in wheel, on the one hand by space and running environment
Limitation, at the same again due to low speed when required driving torque it is very big, this is just carried to the torque density and power density of drive system
Higher requirement is gone out.
Based on this, the present invention proposes a kind of integrated electronic train based on shunt field composite excitation structure
System, it is not only simple in structure, and compact, integrated level is high and this motor power density height, magnetic field can be made full use of to can adjust
And torque mass ratio it is big the advantages that, improve electronic wheel system comprehensive effectiveness, meet that vehicle to power demands such as low speed high torques, changes
The economy of kind vehicle.
The content of the invention
For In-wheel motor driving system, the invention aims to provide one kind to be based on shunt field composite excitation knot
The integrated electronic wheel system of structure, is making full use of in wheel hub in the case of space, reasonable Arrangement motor, braking
Device, planetary mechanism etc..
The purpose of the present invention is achieved through the following technical solutions：
The system mainly by armature winding, magnetic conductor and its extension, Exciting Windings for Transverse Differential Protection, annular magnetic conduction bridge, rotor field spider,
Brake, planetary mechanism etc. are formed.
The present invention carries out structure design, the cloth in wheel rim for the integrated electronic wheel system of shunt field composite excitation
Above-mentioned motor, planetary mechanism and brake etc. are put, the requirement of driver for vehicle can be met.This design structure
In, its tire is arranged on wheel rim, and wheel rim is connected by bolt with planet carrier, and concomitant rotation, while is existed by bearings
On motor support axle；The motor housing of motor is fixed on motor support axle, and its stationary part includes armature core, armature
Winding, Exciting Windings for Transverse Differential Protection and stationary annular magnetic conduction bridge are formed, and rotor portion is made up of magnetic conductor and permanent magnet, is fixed on rotor,
Rotor field spider is by bearings on motor support axle.Wherein armature core and armature winding are fixed on is connected with motor housing
Stator on, and Exciting Windings for Transverse Differential Protection is fixed on stationary annular magnetic conduction bridge, and the latter is connected on motor housing.Magnetic conductor is divided into N poles
With S poles, they are close to N poles permanent magnet and S poles permanent magnet on rotor respectively, and axially extend to a direction, N poles
Magnetic conductor is in horn-like extension, forms the larger N poles annular magnetizer of internal diameter, and S poles magnetic conductor shrinks in bottleneck shape, is formed outer
The less S poles annular magnetizer in footpath.There is additional air gap among the extension of magnetic conductor and annular magnetic conduction bridge.Planetary mechanism
Sun gear is fixed on rotor field spider, and concomitant rotation, and gear ring is fixed on motor housing, in planetary gear support planet carrier.
Brake disc is connected with planet carrier, and concomitant rotation, and the caliper of brake is fixed on motor housing.
Relative to prior art, the invention has the advantages that and beneficial effect：
(1) the advantages that motor power density is high, torque mass ratio is big is made full use of, meets that vehicle turns greatly to low speed
The power demands such as square.
(2) integrated Electric Motor Wheel is simple in construction, is easy to arrange, and compact-sized.
(3) application of shunt field composite excitation structure, can be by adjusting magnetic field so that motor can be in wider section
Interior efficient operation so that drive-train efficiency improves.
Brief description of the drawings
Fig. 1 is the structural representation with primary speed-down
Fig. 2 is the structural representation of no deceleration
Fig. 3 is the hub motor structure schematic diagram with primary speed-down based on both ends axial direction magnetic shunt path tangential magnet-steel structure
Fig. 4 is structural representations of the Fig. 3 without reducing gear
In figure：1. tire；2. wheel rim；3. motor housing；4. caliper；5. brake disc；6. bolt；7. back-up ring；8. motor
Support shaft；9. rotor field spider；10. sun gear；11. planetary gear；12. planet carrier；13. gear ring；14. rotor；15. permanent magnet；
16. armature winding；17. stator；18. magnetic conductor and its extension；19. Exciting Windings for Transverse Differential Protection；20. annular magnetic conduction bridge；21. rotor N
Pole pole shoe；22. rotor S poles pole shoe
Embodiment
The present invention is described in detail below in conjunction with the accompanying drawings.
Embodiment 1
The invention will now be described in further detail with reference to the accompanying drawings, but the implementation of the present invention is not limited to this.
A kind of integrated electronic wheel system based on shunt field composite excitation structure as shown in Figure 1, its structure
Mainly include armature winding 16, magnetic conductor and its extension 18, Exciting Windings for Transverse Differential Protection 19, annular magnetic conduction bridge 20, rotor field spider 9, system
Dynamic device 4, planetary mechanism etc..Its tire 1 is arranged on wheel rim 2, and wheel rim 2 is connected by bolt 6 with planet carrier 12, and is turned therewith
It is dynamic, while by bearings on motor support axle 8；The motor housing 3 of motor is fixed on motor support axle 8, its
Stationary part is formed including armature winding 16, Exciting Windings for Transverse Differential Protection 19 and stationary annular magnetic conduction bridge 20, and rotor portion is by the He of magnetic conductor 18
Permanent magnet 15 is formed, and is fixed on rotor 14, and rotor field spider 9 is by bearings on motor support axle 8.Wherein armature around
Group 16 is fixed on the stator 17 being connected with motor housing 3, and Exciting Windings for Transverse Differential Protection 19 is fixed on stationary annular magnetic conduction bridge 20, the latter
It is connected on motor housing 3.Magnetic conductor and its extension 18 are divided for N poles and S poles, and they are close to the N on rotor 14 respectively
Pole permanent magnet 15 and S poles permanent magnet 15, and axially extend to a direction, N poles magnetic conductor 18 is in horn-like extension, is formed
The larger N poles annular magnetizer of internal diameter, S poles magnetic conductor 18 shrink in bottleneck shape, form the less S poles annular magnetizer of external diameter.
The sun gear 10 of planetary mechanism is fixed on rotor field spider 9, and concomitant rotation, and gear ring 13 is fixed on motor housing 3, planetary gear
In 11 support planet carriers 12, planet carrier 12 is by bearings on rotor field spider 9.Brake disc 5 is connected with planet carrier 12,
And concomitant rotation, the caliper 4 of brake are fixed on motor housing 3.
In summary, by reasonable Arrangement structure, the interaction of two kinds of excitation sources and the deceleration of planetary mechanism are utilized
Increase and turn round, give full play to the performance of motor, it is operated in wider high efficient area, meet that vehicle is wanted to low-speed big
Ask, so as to improve the dynamic property of vehicle, improve economy.
Embodiment 2
The present embodiment difference from Example 1 is：By Fig. 2 bis- it is known that eliminating planetary mechanism under this structure,
Wheel rim 2 is directly connected by bolt 6 with rotor field spider, i.e., the power of wheel hub motor is directly delivered to wheel by rotor field spider 9
On rim 2, while brake disc 5 is also secured on rotor field spider 9, and other structures are same as Example 1, and it will not go into details.
Embodiment 3
The present embodiment is the motor for employing both ends axial direction magnetic shunt path tangential magnet-steel structure.Carry out below in conjunction with the accompanying drawings detailed
Explanation.
A kind of integrated electronic wheel system based on both ends axial direction magnetic shunt path tangential magnet-steel structure as shown in Figure 3,
Its structure mainly includes armature winding 16, Exciting Windings for Transverse Differential Protection 19, rotor S poles pole shoe 22, rotor N poles pole shoe 21, rotor field spider 9, system
Dynamic device, planetary mechanism etc..Its difference from Example 1 is that the stator 17 of this motor and armature winding 16 are fixed on electricity
On machine shell 3, while annular magnetic bridge 20 is fixed on stator 17, is disposed with Exciting Windings for Transverse Differential Protection 19 inside it.Rotor portion has N poles pole
Boots 21 and S poles pole shoe 22 are all fixed on rotor 14.Remaining structure division is consistent with embodiment 1, and it will not go into details.
In summary, by being reasonably laid out, this motor high power density, high electric efficiency, permanent work(are given full play to
Rate scope is wide and while the adjustable advantage in magnetic field, arranges planetary mechanism deceleration device, can more preferably meet vehicle to low
Fast high pulling torque equidynamic requirement, improves vehicle economy.
Embodiment 4
The present embodiment difference from Example 3 is：As shown in Figure 4, this structure eliminates planetary mechanism deceleration device,
Wheel rim 2 is directly connected by bolt 6 with rotor field spider, i.e., the power of hub driven motor is directly delivered to through rotor field spider 9
On wheel rim 2, band motor car wheel rotates.Brake disc 5 is also secured on rotor field spider 9 simultaneously, and other structures are same as Example 3, no
Give and repeating.
Claims (7)
1. the invention discloses a kind of integrated electronic wheel system based on shunt field composite excitation structure, including armature
The structure such as winding, magnetic conductor and its extension, Exciting Windings for Transverse Differential Protection, brake, planetary gear speed reducing mechanism, wheel rim, the wheel rim pass through
Bearings are connected on motor support axle, while by bolt with planet carrier, and concomitant rotation, motor housing are fixed on motor
In support shaft, armature core and armature winding are fixed on the stator being connected with motor housing, and Exciting Windings for Transverse Differential Protection is fixed on fixation
On annular magnetic conduction bridge, the latter is connected on motor housing, and magnetic conductor is close to the permanent magnet on rotor, the sun gear of planetary mechanism
It is fixed on rotor field spider, gear ring is fixed on motor housing, in planetary gear support planet carrier, brake disc and planet carrier phase
Even, and concomitant rotation, the caliper of brake are fixed on motor housing.
2. the integrated electronic wheel system according to claim 1 based on shunt field composite excitation structure, it is special
Sign is：Described shunt field composite excitation structure can be radial structure or cutting orientation structure, can be two
It is end or single-ended.
3. the integrated electronic wheel system according to claim 1 based on shunt field composite excitation structure, it is special
Sign is：The composite excitation structure type can be inner stator outer-rotor structure or internal rotor outer stator structure.
4. the integrated electronic wheel system according to claim 1 based on shunt field composite excitation structure, it is special
Sign is：The brake can be electromagnetic type, fluid pressure type, pneumatic type etc..
5. the integrated electronic wheel system according to claim 1 based on shunt field composite excitation structure, it is special
Sign is：The electronic wheel system can set reducing gear, can also be not provided with reducing gear.
6. the integrated electronic wheel system according to claim 1 based on shunt field composite excitation structure, it is special
Sign is：The reducing gear can be planetary mechanism or fixed gear drive mechanism.
7. the integrated electronic wheel system according to claim 1 based on shunt field composite excitation structure, it is special
Sign is：The sun gear of the planetary mechanism, the two of which of three elements of gear ring and planet carrier are as power intake, one
Clutch end, input can be selected as needed, can make it is described in three elements any two of which.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710575853.1A CN107458210A (en) | 2017-07-14 | 2017-07-14 | A kind of integrated electronic wheel system based on shunt field composite excitation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710575853.1A CN107458210A (en) | 2017-07-14 | 2017-07-14 | A kind of integrated electronic wheel system based on shunt field composite excitation structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107458210A true CN107458210A (en) | 2017-12-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710575853.1A Pending CN107458210A (en) | 2017-07-14 | 2017-07-14 | A kind of integrated electronic wheel system based on shunt field composite excitation structure |
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| Country | Link |
|---|---|
| CN (1) | CN107458210A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109572400A (en) * | 2019-01-29 | 2019-04-05 | 北京大圣格尔冶金设备有限公司 | The running gear and mine truck of a kind of wheel, vehicle |
| WO2019196395A1 (en) * | 2018-04-09 | 2019-10-17 | 清华大学 | Electric wheel assembly with integrated hub motor |
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| JP2010093915A (en) * | 2008-10-07 | 2010-04-22 | Yamaha Corp | Electrostatic motor |
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| CN102820755A (en) * | 2012-07-30 | 2012-12-12 | 英泰集团有限公司 | Hybrid-excitation driving motor for electric car |
| CN102832776A (en) * | 2012-08-10 | 2012-12-19 | 南京航空航天大学 | Axial non-uniform air gap hybrid excitation synchronous machine |
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| JP2010093915A (en) * | 2008-10-07 | 2010-04-22 | Yamaha Corp | Electrostatic motor |
| CN202178734U (en) * | 2011-09-05 | 2012-03-28 | 山东唐骏欧铃汽车制造有限公司 | Mixing excitation generating set for electric automobile |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019196395A1 (en) * | 2018-04-09 | 2019-10-17 | 清华大学 | Electric wheel assembly with integrated hub motor |
| US20210031615A1 (en) * | 2018-04-09 | 2021-02-04 | Tsinghua University | Electric wheel assembly with integrated hub motor |
| US11772479B2 (en) * | 2018-04-09 | 2023-10-03 | Tsinghua University | Electric wheel assembly with integrated hub motor |
| CN109572400A (en) * | 2019-01-29 | 2019-04-05 | 北京大圣格尔冶金设备有限公司 | The running gear and mine truck of a kind of wheel, vehicle |
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| CN109572400B (en) * | 2019-01-29 | 2024-03-08 | 北京大圣格尔冶金设备有限公司 | Wheel, running gear of vehicle and mining truck |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20171212 |