CN109572388A - A kind of integrated form is to turning dual rotor motor wheel integral structure - Google Patents
A kind of integrated form is to turning dual rotor motor wheel integral structure Download PDFInfo
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- CN109572388A CN109572388A CN201811472670.8A CN201811472670A CN109572388A CN 109572388 A CN109572388 A CN 109572388A CN 201811472670 A CN201811472670 A CN 201811472670A CN 109572388 A CN109572388 A CN 109572388A
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- wheel
- stator
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Classifications
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- 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
- B60K1/00—Arrangement or mounting of electrical propulsion units
-
- 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
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- 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
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K16/00—Machines with more than one rotor or stator
- H02K16/02—Machines with one stator and two or more rotors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/24—Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or vibrations
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
-
- 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
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K2001/003—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units
- B60K2001/006—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units the electric motors
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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 present invention discloses a kind of integrated form to turning dual rotor motor wheel integral structure, including anti-direction dual-rotor motor, planetary gear speed reducing mechanism, disk brake, damping, cooling body, wheel rim, tire etc..It makes full use of to the characteristic for turning birotor inner and outer Rotator and all having revolving speed, torque output, the integrated structure design of Electric Motor Wheel is carried out as hub drive system power source, integrated structure considers vibration damping, cooling, sealing, the Brake Design of system simultaneously, enables the more stable work of hub drive system.Three kinds of drive modes may be implemented in structure of the invention scheme, expand the revolving speed and torque range of hub drive system operation, it can be realized hub drive system to export under multi-state, simultaneously, integrated structure design improves the utilization rate in inside wheel space, it conveniently matches, can be widely used in a variety of pure electric vehicle vehicles, it can also be used on the hybrid electric vehicle of these vehicles.
Description
Technical field
The present invention relates to the power-driven system in electric car field, in particular to a kind of integrated forms to turning dual rotor motor
Take turns integral structure.
Technical background
With the exacerbation of global resources increasingly consumed with environmental pollution, hybrid vehicle and pure electric automobile are low with its
The characteristic of pollution play an important role it in current automotive industry field.Wheel-hub motor driven vehicle by driving motor, slow down
The height such as mechanism is integrated in wheel, and transmission efficiency not only can be improved in this structure, so that the mechanical structure on chassis is simplified,
Meanwhile complete vehicle quality is decreased, and arrangement is more reasonable, to realize that intelligence and the electrification on chassis provide possibility, wheel hub electricity
Machine drives all various technical advantages of vehicle, the great attention by industry.And the integration collection of hub motor drive system
At design, as the core technology of hub motor driven electric vehicle, performance superiority and inferiority will directly affect the driving of each driving wheel/
The driving performance of braking ability and vehicle, driving motor used by hub drive system is generally common single rotor electricity at present
Machine structure, but limited by space and running environment, so that it is more demanding to hub motor torque/power density, it is difficult full
Sufficient vehicle operation demand.
Anti-direction dual-rotor motor is a kind of motor with double mechanical port, when anti-direction dual-rotor motor applies to electronic vapour
When vehicle is as a power source, the multiple functions such as driving, differential, braking energy regeneration can be had both in one, and there is weight
Gently, high-efficient and high power density advantage.The present invention will make full use of the advantage of anti-direction dual-rotor motor, as wheel hub
The power source of drive system carries out the design of the integrated structure of Electric Motor Wheel, and design process considers hub drive system simultaneously
Sealing, cooling and braking ability.
Summary of the invention
The present invention is based on to the characteristic for turning birotor inner and outer Rotator and all having revolving speed, torque output, driven as wheel hub
Dynamic system dynamic source carries out the integrated structure design of Electric Motor Wheel.Three kinds of drive modes may be implemented in the present invention, expand wheel
The revolving speed and torque range of hub drive system operation, can be realized hub drive system and export under multi-state, improve vehicle
Working efficiency and stability；Entire wheel hub motor system is subjected to integrated design simultaneously, keeps the integrated level of motor higher, is improved
The utilization rate of motor inner space, while keeping the assembly, disassembly and maintenance of motor more convenient.Motor is subtracted simultaneously
Vibration, cooling, sealing, Brake Design, enable the more stable work of hub drive system.
The purpose of the present invention is realized by following scheme:
The mechanism includes hub motor, planetary gear speed reducing mechanism, disk brake, damping, cooling body, wheel rim and wheel
Tire etc..Integral structure includes hub motor, planetary gear speed reducing mechanism, disk brake, damping, cooling body etc., entirely
Mechanism integrated installation is then fitted into electric machine casing in a fixing axle, and wheel rim assembly work, hub motor mainly by
Birotor and motor housing composition, wherein stator serves as internal rotor work, and rotor does outer rotor work, and the two turns to opposite；Row
Star deceleration mechanism includes two-stage, had both served as deceleration mechanism wherein and has carried out deceleration torque increase, and serves as power transfer mechanism progress
The input and output of power；The power transmitting of the anti-direction dual-rotor motor is divided into Three models, the first is individually by internal rotor
Power is provided, the fixed then power of outer rotor is exported by planetary mechanism；It is for second individually to provide power by outer rotor, interior turn
The fixed power of son is exported by planetary mechanism；The third is that inner and outer Rotator works at the same time, and is then exported by planetary mechanism.
Power under the first mode transmits situation are as follows: power resources drive stator support rotation, stator in internal rotor, internal rotor rotation
Holder pivots drive coupled stator ring to be rotated, and stator ring rotation drives planetary gear rotation, and sun gear passes through
Key connection is fixed in fixing axle, and then power passes to planet carrier by planetary gear, is exported by planet carrier, imparts power to
The sun gear of secondary planet mechanism, sun gear impart power to planetary gear, since outer rotor is fixed, so being connected with outer rotor
Gear ring also fix, power passes to planet carrier by planetary gear, and planet carrier passes through wheel hub terminal pad and damping and wheel rim
It is connected, imparts power to wheel；Power under second of mode transmits situation are as follows: power is provided by outer rotor, and outer rotor turns
Dynamic to impart power to coupled rotor gear ring, since internal rotor is fixed, and the sun gear of primary planet mechanism is fixed,
So entire level-one mechanism is fixed idle, so that the sun gear of secondary planet mechanism is fixed, so power passes through
Rotor gear ring passes to planetary gear, is exported by planet carrier, and planet carrier imparts power to wheel rim again, rotates wheel；The third
Power under mode transmits situation are as follows: inner and outer rotors work at the same time, and provide power, power resources are in the sun of secondary planet mechanism
Wheel and gear ring, wherein the power of sun gear passes through and the output of planetary mechanism from internal rotor, gear ring power direct sources
In outer rotor, is then exported jointly by the planet carrier of secondary planet mechanism, impart power to wheel.Affiliated brake is disc type
Braking, brake includes three parts, and including the braking to internal rotor, outer rotor and wheel, brake disc is respectively by stator support
The disk-like structure of end cap disk-like structure, the end cap disk-like structure of rotor field spider and planet carrier is replaced, and caliper is installed respectively
On brake support frame and electric machine casing, damper mechanism is mainly made of rubber element, is separately mounted to wheel rim and is connected to motor
At place, outer rotor and gear ring and rotor field spider cooperation, between stator support frame and fixing axle and stator inner ring and electric machine casing
Between fixing axle, play the role of certain connection, support, shock insulation, limit, cooling body uses spray cooling, passes through peace
Fuel injector on motor housing directly sprays transformer oil to complete the cooling to coil windings, together to stator coil winding
The centrifugal force effect of Shi Dingzi rotation makes oil liquid be splashed to motor various places inside, plays the role of cooling entire mechanism, and oil liquid is logical
The back oil road for crossing motor bottom returns in hydraulic device.
The working principle of the invention:
Hub motor point three kinds of operating modes are operated, be respectively internal rotor work independently, outer rotor work independently with
And inner and outer rotors work at the same time.When internal rotor works independently, the brake operation of control outer rotor rotation stops outer rotor
Firmly, rotate its fixation not, then power is output to wheel by two-stage planetary mechanism by internal rotor, and automobile is made to advance；Similarly,
When outer rotor works independently, internal rotor is checked, rotates its fixation not, outside by the brake operation of control internal rotor rotation
Rotor exports power by planetary mechanism, imparts power to wheel, automobile is made to advance；When inner and outer rotors work at the same time,
Internal rotor is exported power by the planet carrier of primary planet mechanism, passes to the sun gear of secondary planet mechanism, outer rotor will move
Power passes to the gear ring of secondary planet mechanism, and power is exported by planet carrier simultaneously, power is transmitted by right latter two power resources
To wheel.When wheel needs to brake, disk brake work, caliper stops the plate-like mechanism as the planet carrier of brake disc
Firmly, to interrupt power output, wheel is made to stop operating.Motor works for a long time can generate high temperature, need to carry out it cold
But, transformer oil is sprayed to stator coil winding by fuel injector by cooling body, cools down coil windings directly, while by
It is rotated in stator as internal rotor, by the centrifugal action that stator rotates, oil liquid is splashed to each place inside motor, is made
Entire mechanism is all cooled down and is lubricated.During vehicle driving, inevitably have from road surface various excitations, they
It can be transmitted to motor itself by wheel rim, influence the drive characteristic of motor and the kinetic characteristics of vehicle, damper mechanism is by will be electric
Machine is connected with wheel hub with elastic type, while reducing nonspring carried mass, is absorbed by damper mechanism and above-mentioned is transmitted to motor
Hammer vibration energy not only can preferably play the driveability of motor to reduce influence to hub motor, can also be effectively
Improvement system vibration characteristics and wheel ground connection performance, improve the service life of part.
To the prior art, the present invention is had the following advantages and beneficial effects:
1, it makes full use of to the characteristic for turning birotor inner and outer Rotator and all having revolving speed, torque output, drives it as wheel hub
The power source of dynamic system carries out integrated structure design, and the output revolving speed of hub drive system and torque range can be made to become
Greatly, it can be realized motor to export under multi-state, play certain speed changing effect, improve system effectiveness and operation stability.
2, the integrated design of motor keeps the integrated level of motor higher, improves the utilization rate of motor inner space, reduces
Motor volume, keeps the total more compact, while keeping the assembly, disassembly and maintenance of motor more convenient.
3, the design of damping element, the nonspring carried mass for newly increasing Electric Motor Wheel -- hub motor, planetary mechanism, brake
Etc. the quality system being in parallel with traditional spring carried mass is converted into, the kinetic characteristics of vehicle are effectively improved,
Improve the ride comfort and comfort of vehicle；The design of cooling body enables motor directly to be cooled down, and cooling effect is brighter
It is aobvious；Some components use light-weight design in mechanism, if planet carrier is designed into sector, alleviate quality, and then reduce
The gross mass of motor, further reduces the unsprung mass of automobile, improves the stability of running car.
Detailed description of the invention
The present invention will be further described with embodiment with reference to the accompanying drawing.
Fig. 1 is integrated form of the present invention to the structure principle chart for turning dual rotor motor wheel integral structure.
Fig. 2 is integrated form of the present invention to the integral structure schematic diagram for turning dual rotor motor wheel integral structure.
Fig. 3 is that integrated form of the present invention assembles explosive view to the overall structure for turning dual rotor motor wheel integral structure.
Fig. 4 is integrated form of the present invention to one structure principle chart of embodiment for turning dual rotor motor wheel integral structure.
Fig. 5-1 is the topology optimization design structure (including brake disc 4-5) of 3-17 planet carrier.
Fig. 5-2 is 3-15 rotor gear ring structure.
Fig. 5-3 is 3-24 stator ring structure.
Fig. 5-4 is 3-7 Rotor carriage structure.
Fig. 5-5 is 3-2 rotor structure.
1-1 tire as shown in Figure 1:；1-2 wheel rim；2-1 bolt and nut；2-2 wheel hub terminal pad；In the middle part of 3-1 motor housing；
3-2 outer rotor；3-3 Rotor carriage；3-4 permanent magnet；3-5 internal rotor (stator)；3-6 stator support frame；3-7 rotor supports
Frame；3-8 Rotor carriage end cap；3-9 axis snap ring；3-10 fixing axle；3-11 motor housing right part；3-12 deep groove ball bearing；
3-13 rubber washer；3-14 brake support frame；3-15 rotor gear ring；3-16 planetary gear；3-17 planet carrier；3-18 sun gear；3-
19 sealing rings；3-20 key；3-21 sun gear；3-22 planet carrier；3-23 planetary gear；3-24 stator ring；The braking of 4-1 internal rotor
Pincers；4-2 internal rotor brake disc；4-3 outer rotor brake disc；4-4 outer rotor caliper；4-5 brake disc；4-6 caliper；5 dampings
Mechanism；6-1 fuel injector；6-2 back oil road.
Specific embodiment
The present invention will be further described in detail with reference to the accompanying drawings and examples.
Integrated form as shown in Figure 1 mainly includes hub motor 3, damping machine to dual rotor motor wheel integral structure is turned
Structure 5, cooling body 6, arrestment mechanism 4, wheel hub bindiny mechanism 2, wheel rim 1-2, tire 1-1 etc..Integral structure is (attached see specification
It Fig. 2) include hub motor 3, planetary gear speed reducing mechanism, disk brake 4, damping 5, cooling body 6 etc., entire mechanism is integrated
It is mounted on a fixing axle 3-10, is then fitted into electric machine casing, and wheel rim 1-2 assembly work, while integral structure
Design keep the integrated level of motor higher, improve the utilization rate of motor inner space, reduce motor volume, while making motor
Assembly and maintenance it is more convenient.Hub motor is mainly made of birotor and motor housing, and wherein stator 3-5 serves as internal rotor work
Make, rotor 3-2 does outer rotor work, and the two turns to opposite；Planetary gear speed reducing mechanism (gear used in deceleration mechanism is helical gear,
Keep the work of deceleration mechanism more stable) it include two-stage, deceleration mechanism had both been served as wherein and has carried out deceleration torque increase, and served as power biography
Pass input and output that mechanism carries out power.
The power transmitting of the anti-direction dual-rotor motor is divided into Three models, the first is individually to be provided to move by internal rotor 3-5
Power, outer rotor 3-2 fix (fixation of outer rotor is completed by arrestment mechanism 4, and specific structure is shown in Figure of description 1), so
Power is exported by planetary mechanism afterwards；Second is individually to provide power by outer rotor 3-2, and internal rotor 3-5 fixes (internal rotor
Fixed is also to be completed by arrestment mechanism, and specific structure is shown in Figure of description 1), power is exported by planetary mechanism；The third
It is that inner and outer Rotator works at the same time, is then exported by planetary mechanism.Power under the first mode transmits situation are as follows: power
From internal rotor 3-5, internal rotor 3-5 is assemblied on fixing axle 3-10 by stator support 3-6 and deep groove ball bearing 3-12,
Rubber sheet gasket 5-2 is padded between middle stator support 3-6 and stator 3-5, and (its effect is vibration damping, reduces external shock and gives internal reduction machine
Structure or motor bring influence), fixation is then bolted, internal rotor 3-5 rotation drives stator support 3-6 rotation, fixed
Submounts 3-6 rotation drives coupled stator ring 3-24 (specific structure of stator ring is shown in Fig. 5-3) to be rotated, fixed
Sub- gear ring 3-24 rotation drives planetary gear 3-23 rotation, and sun gear 3-21 is connected and fixed on fixing axle 3-10 by key 3-20,
Then power passes to planet carrier 3-22 by planetary gear 3-23, is exported by planet carrier 3-22, imparts power to secondary planet
The sun gear 3-18 of mechanism, (herein by the sun gear 3-18 of the planet carrier 3-22 of primary planet mechanism and secondary planet mechanism
The power of being made of one structure, one side sun gear 3-18 is directly obtained by planet carrier 3-22, on the other hand makes entire mechanism
Structure is more compact, saves space), sun gear 3-18 imparts power to planetary gear 3-16, since outer rotor 3-2 is fixed,
So the gear ring 3-15 being connected with outer rotor is also fixed, (the specific assembling structure of outer rotor 3-2 and gear ring 3-15 is shown in that specification is attached
Fig. 1), power by planetary gear 3-16 pass to planet carrier 3-17 (present invention by planet carrier 3-17 carry out topology optimization design, subtract
The small nonspring carried mass of motor, improves riding stability), planet carrier 3-17 passes through wheel hub terminal pad 2-2 and damping
It is connected with wheel rim 1-2, imparts power to wheel.
Power under second of mode transmits situation are as follows: power is provided by outer rotor 3-2, and connection turns on the left of outer rotor 3-2
Sub- gear ring 3-15, right side are connected by rotor field spider 3-7, make its fixed rotation, rotor gear ring 3-15 and rotor on axis 3-10
Rubber sheet gasket 5-3 is lined at the cooperation of bracket 3-7 and outer rotor 3-2, and (its effect is vibration damping, reduces external shock to internal reduction
Mechanism or motor bring influence), outer rotor 3-2 rotation imparts power to coupled rotor gear ring 3-15, due to interior
Rotor 3-5 is fixed, and the sun gear 3-21 of primary planet mechanism is fixed, thus entire level-one mechanism be it is fixed idle,
So that the sun gear 3-18 of secondary planet mechanism is fixed, so power passes to planetary gear 3- by rotor gear ring 3-15
16, it is exported by planet carrier 3-17, planet carrier 3-17 imparts power to wheel rim 1-2 again, rotates wheel.
Power under the third mode transmits situation are as follows: inner and outer rotors work at the same time, and provide power, power resources are in second level
The sun gear 3-18 and rotor gear ring 3-15 of planetary mechanism, wherein the power of sun gear 3-18 from internal rotor 3-5 by with
And the output of planetary mechanism, gear ring power are directed to outer rotor 3-2, then jointly by the planet carrier 3- of secondary planet mechanism
17 outputs, impart power to wheel.When inputting certain revolving speed, revolving speed and torque output under three kinds of operating modes are not
With, so that output revolving speed and the torque range of motor become larger, and can be realized motor and export under multi-state, play certain
Speed changing effect, reinforce the adaptability of motor, while also improving the stability of vehicle operation.
Affiliated brake is disc type brake, and brake includes three parts, including to internal rotor 3-5, outer rotor 3-2 and wheel
1 braking, brake disc is respectively by the end cap disk-like structure 4-2 of stator support, the end cap disk-like structure 4-3 and row of rotor field spider
The disk-like structure 4-5 of carrier is replaced, and caliper is separately mounted on brake support frame 3-14 and electric machine casing 3-1, will be braked
Device carries out such design, reduces the quantity of components, simplifies mechanism, improves space utilization rate.Damper mechanism 5 is main
It to be made of rubber element, be separately mounted to wheel rim 1-2 and 3 junction of motor, outer rotor 3-2 and rotor gear ring 3-15 and rotor
At bracket 3-7 cooperation, between stator support frame 3-6 and fixing axle 3-10 and stator 3-5 inner ring and electric machine casing 3-11 and solid
Between dead axle 3-10, play the role of the nonspring carried mass that automobile is reduced while certain connection, support, shock insulation, limit,
The impact that complex road condition brings hub motor is reduced, the kinetic characteristics of In-wheel-motor driving system is improved, improves vehicle
The stability of traveling also extends the service life of components.Cooling body 6 uses spray cooling, by being mounted on outside motor
Fuel injector 6-1 on shell directly sprays transformer oil to stator coil winding 3-5 to complete the cooling to coil windings, determines simultaneously
The centrifugal force effect of sub- 3-5 rotation makes oil liquid be splashed to motor various places inside, plays the role of cooling entire mechanism, and oil liquid passes through
The back oil road 6-2 of motor bottom is returned in hydraulic device.
Embodiment 1
Fig. 4 is 1 structure principle chart of embodiment that the present invention is used for vehicle.The structure and principle of embodiment 1 are as follows:
Internal rotor 3-5 passes through stator support 3-6, rubber sheet gasket 5-2 (playing connection, support, vibration damping), bearing 3-12
And bolt etc. is assemblied on fixing axle 3-10, bearing 3-12 or so end install additional end cap 4-2 be sealed, position, left end cap with
Stator ring 3-24 is connected, and stator ring 3-24 is connected on axis 3-10 by bearing 3-12 to be rotated, installation inside gear ring 3-24
Planetary gear 3-23, planet carrier 3-22, sun gear 3-21 (sun gear 3-21 is fastened on axis 3-10 by key 3-20), right end
Lid 4-2 and caliper 4-1 is coupled, and caliper 4-1 is mounted on brake support frame 3-14；Outer rotor 3-2 passes through rotor branch
Support 3-7 on axis 3-10 rotate, between Rotor carriage 3-7 and outer rotor 3-2 install additional rubber sheet gasket (rise connection, support,
The effect of vibration damping), it is then connected by bolt 3-3, the left and right end of Rotor carriage 3-7 installs end cap 4-3 sealing, positioning additional, left
End cap 4-3 is coupled with caliper 4-4, and left end and the rotor gear ring 3-15 of outer rotor 3-2 is coupled in the same way, so
Secondary planet mechanism is installed inside rotor gear ring 3-15 afterwards, goes out to install in the planet carrier disk-like structure 4-5 of secondary planet mechanism
Caliper 4-6, caliper 4-6 are then mounted on motor housing 3-1, while fuel injector 6-1 being mounted on caliper 4-6, are made
Its face stator coil winding, to complete the cooling to it；Motor housing right part 3-11 passes through the peace such as rubber washer 3-13, bolt
Sealing ring 3-19 is installed on fixing axle 3-10, between the planet carrier 3-17 of motor housing left part and rotation to be sealed；Row
Carrier 3-17 is connect with wheel hub terminal pad 2-2 by bolt and nut, and planet terminal pad 2-2 and wheel rim 1-2 pass through rubber sheet gasket spiral shell
The 2-1 connection of bolt nut.The assembly of mechanism entire so just completes (specific assembling structure is shown in Figure of description 3).
The power transmitting of the anti-direction dual-rotor motor is divided into Three models, the first is individually to be provided to move by internal rotor 3-5
Power, outer rotor 3-2 fix (fixation of outer rotor is completed by arrestment mechanism 4, and specific structure is shown in Figure of description 1), so
Power is exported by planetary mechanism afterwards；Second is individually to provide power by outer rotor 3-2, and internal rotor 3-5 fixes (internal rotor
Fixed is also to be completed by arrestment mechanism, and specific structure is shown in Figure of description 1), power is exported by planetary mechanism；The third
It is that inner and outer Rotator works at the same time, is then exported by planetary mechanism.Power under the first mode transmits situation are as follows: power
From internal rotor 3-5, internal rotor 3-5 is assemblied on fixing axle 3-10 by stator support 3-6 and deep groove ball bearing 3-12,
Rubber sheet gasket 5-2 is padded between middle stator support 3-6 and stator 3-5, and (its effect is vibration damping, reduces external shock and gives internal reduction machine
Structure or motor bring influence), fixation is then bolted, internal rotor 3-5 rotation drives stator support 3-6 rotation, fixed
Submounts 3-6 rotation drives coupled stator ring 3-24 (specific structure of stator ring is shown in Fig. 5-3) to be rotated, fixed
Sub- gear ring 3-24 rotation drives planetary gear 3-23 rotation, and sun gear 3-21 is connected and fixed on fixing axle 3-10 by key 3-20,
Then power passes to planet carrier 3-22 by planetary gear 3-23, is exported by planet carrier 3-22, imparts power to secondary planet
The sun gear 3-18 of mechanism, (herein by the sun gear 3-18 of the planet carrier 3-22 of primary planet mechanism and secondary planet mechanism
The power of being made of one structure, one side sun gear 3-18 is directly obtained by planet carrier 3-22, on the other hand makes entire mechanism
Structure is more compact, saves space), sun gear 3-18 imparts power to planetary gear 3-16, since outer rotor 3-2 is fixed,
So the gear ring 3-15 being connected with outer rotor is also fixed, (the specific assembling structure of outer rotor 3-2 and gear ring 3-15 is shown in that specification is attached
Fig. 1), power by planetary gear 3-16 pass to planet carrier 3-17 (present invention by planet carrier 3-17 carry out topology optimization design, subtract
The small nonspring carried mass of motor, improves riding stability), planet carrier 3-17 passes through wheel hub terminal pad 2-2 and damping
It is connected with wheel rim 1-2, imparts power to wheel.
Power under second of mode transmits situation are as follows: power is provided by outer rotor 3-2, and connection turns on the left of outer rotor 3-2
Sub- gear ring 3-15, right side are connected by rotor field spider 3-7, make its fixed rotation, rotor gear ring 3-15 and rotor on axis 3-10
Rubber sheet gasket 5-3 is lined at the cooperation of bracket 3-7 and outer rotor 3-2, and (its effect is vibration damping, reduces external shock to internal reduction
Mechanism or motor bring influence), outer rotor 3-2 rotation imparts power to coupled rotor gear ring 3-15, due to interior
Rotor 3-5 is fixed, and the sun gear 3-21 of primary planet mechanism is fixed, thus entire level-one mechanism be it is fixed idle,
So that the sun gear 3-18 of secondary planet mechanism is fixed, so power passes to planetary gear 3- by rotor gear ring 3-15
16, it is exported by planet carrier 3-17, planet carrier 3-17 imparts power to wheel rim 1-2 again, rotates wheel.
Power under the third mode transmits situation are as follows: inner and outer rotors work at the same time, and provide power, power resources are in second level
The sun gear 3-18 and rotor gear ring 3-15 of planetary mechanism, wherein the power of sun gear 3-18 from internal rotor 3-5 by with
And the output of planetary mechanism, gear ring power are directed to outer rotor 3-2, then jointly by the planet carrier 3- of secondary planet mechanism
17 outputs, impart power to wheel.When inputting certain revolving speed, revolving speed and torque output under three kinds of operating modes are not
With, so that output revolving speed and the torque range of motor become larger, and can be realized motor and export under multi-state, play certain
Speed changing effect, reinforce the adaptability of motor, while also improving the stability of vehicle operation.
Affiliated brake is disc type brake, and brake includes three parts, including to internal rotor 3-5, outer rotor 3-2 and wheel
1 braking, brake disc is respectively by the end cap disk-like structure 4-2 of stator support, the end cap disk-like structure 4-3 and row of rotor field spider
The disk-like structure 4-5 of carrier is replaced, and caliper is separately mounted on brake support frame 3-14 and electric machine casing 3-1, will be braked
Device carries out such design, reduces the quantity of components, simplifies mechanism, improves space utilization rate.Damper mechanism 5 is main
It to be made of rubber element, be separately mounted to wheel rim 1-2 and 3 junction of motor, outer rotor 3-2 and rotor gear ring 3-15 and rotor
At bracket 3-7 cooperation, between stator support frame 3-6 and fixing axle 3-10 and stator 3-5 inner ring and electric machine casing 3-11 and solid
Between dead axle 3-10, play the role of the nonspring carried mass that automobile is reduced while certain connection, support, shock insulation, limit,
The impact that complex road condition brings hub motor is reduced, the kinetic characteristics of In-wheel-motor driving system is improved, improves vehicle
The stability of traveling also extends the service life of components.Cooling body 6 uses spray cooling, by being mounted on outside motor
Fuel injector 6-1 on shell directly sprays transformer oil to stator coil winding 3-5 to complete the cooling to coil windings, determines simultaneously
The centrifugal force effect of sub- 3-5 rotation makes oil liquid be splashed to motor various places inside, plays the role of cooling entire mechanism, and oil liquid passes through
The back oil road 6-2 of motor bottom is returned in hydraulic device.
Claims (4)
1. the present invention discloses a kind of integrated form to turning dual rotor motor wheel integral structure, including hub motor, planetary reducer
Structure, disk brake, damping, cooling body, wheel rim and tire etc..Integral structure (see Figure of description 2) includes wheel
Hub motor, planetary gear speed reducing mechanism, disk brake, damping, cooling body etc., entire mechanism integrated installation is in a fixation
It on axis, is then fitted into electric machine casing, the design with wheel rim assembly work, while integral structure makes the integrated level of motor more
Height improves the utilization rate of motor inner space, reduces motor volume, while keeping the assembly of motor and maintenance more convenient.Wheel
Hub motor is mainly made of birotor and motor housing, and wherein stator serves as internal rotor work, and rotor does outer rotor work, the two
It turns to opposite；Planetary gear speed reducing mechanism (gear used in deceleration mechanism is helical gear, keeps the work of deceleration mechanism more stable) includes two
Grade, had both served as deceleration mechanism wherein and has carried out deceleration torque increase, and served as input and output that power transfer mechanism carries out power；
The power transmitting of the anti-direction dual-rotor motor is divided into Three models, the first is individually to provide power by internal rotor, and outer rotor is solid
Fixed (fixation of outer rotor is completed by arrestment mechanism, and specific structure is shown in Figure of description 1), then power passes through planet machine
Structure output；It is for second individually to provide power by outer rotor, internal rotor fixes that (fixation of internal rotor is also by arrestment mechanism Lai complete
At, specific structure is shown in Figure of description 1), power is exported by planetary mechanism；The third is that inner and outer Rotator works at the same time, so
It is exported afterwards by planetary mechanism.Power under the first mode transmits situation are as follows: power resources pass through in internal rotor, internal rotor
Stator support and deep groove ball bearing are assemblied in fixing axle, and rubber sheet gasket is wherein padded between stator support and stator, and (its effect is
Vibration damping, reduce external shock influences to internal reduction mechanism or motor bring), fixation, internal rotor is then bolted
Rotation drives stator support rotation, and stator support rotation drives coupled stator ring, and (specific structure of stator ring is shown in
Fig. 5-3) it is rotated, stator ring rotation drives planetary gear rotation, and sun gear, which is connected by key, to be fixed in fixing axle, then
Power passes to planet carrier by planetary gear, is exported by planet carrier, imparts power to the sun gear of secondary planet mechanism, (
Here by sun gear the being made of one structure of the planet carrier of primary planet mechanism and secondary planet mechanism, one side sun gear
Power is directly obtained by planet carrier, is on the other hand made entire mechanism structure more compact, is saved space), sun gear is by power
Planetary gear is passed to, since outer rotor is fixed, so the gear ring being connected with outer rotor also fixes (the specific dress of outer rotor and gear ring
Distribution structure is shown in Figure of description 1), power by planetary gear pass to planet carrier (present invention by planet carrier progress topological optimization set
Meter, reduces the nonspring carried mass of motor, improves riding stability), planet carrier by wheel hub terminal pad and damping with
Wheel rim is connected, and imparts power to wheel；Power under second of mode transmits situation are as follows: power is provided by outer rotor, outer to turn
Sub- left side connects rotor gear ring, and right side is connected by rotor field spider, makes its fixed rotation, rotor gear ring and rotor field spider on axis
(its effect is vibration damping, reduces external shock to internal reduction mechanism or motor band with rubber sheet gasket is lined at the cooperation of outer rotor
The influence come), outer rotor rotation imparts power to coupled rotor gear ring, since internal rotor is fixed, and level-one row
The sun gear of star mechanism is fixed, so entire level-one mechanism is fixed idle, so that the sun gear of secondary planet mechanism is
Fixed, so power passes to planetary gear by rotor gear ring, exported by planet carrier, planet carrier imparts power to wheel again
Rim rotates wheel；Power under the third mode transmits situation are as follows: inner and outer rotors work at the same time, and provide power, power resources
In the sun gear and gear ring of secondary planet mechanism, wherein the power of sun gear pass through from internal rotor and planetary mechanism it is defeated
Out, gear ring power is directed to outer rotor, is then exported jointly by the planet carrier of secondary planet mechanism, imparts power to vehicle
Wheel.When inputting certain revolving speed, the revolving speed under three kinds of operating modes is different with torque output, so that motor it is defeated
Revolving speed becomes larger with torque range out, can be realized motor and exports under multi-state, plays certain speed changing effect, makes the suitable of motor
Answering property is reinforced, while also improving the stability of vehicle operation.Affiliated brake is disc type brake, and brake includes three parts,
Including the braking to internal rotor, outer rotor and wheel, brake disc is respectively by the end cap disk-like structure of stator support, rotor field spider
The disk-like structure of end cap disk-like structure and planet carrier is replaced, and caliper is separately mounted to brake support frame and electric machine casing
On, brake is subjected to such design, reduces the quantity of components, simplifies mechanism, improve space utilization rate.Subtract
Vibration mechanism is mainly made of rubber element, is separately mounted to the wheel rim place of being connected to motor, outer rotor and gear ring and rotor field spider is matched
At conjunction, between stator support frame and fixing axle and stator inner ring and between electric machine casing and fixing axle, play certain connection,
Support, shock insulation, limit effect while reduce the nonspring carried mass of automobile, reduce complex road condition and bring hub motor
Impact, improves the kinetic characteristics of In-wheel-motor driving system, improves the stability of vehicle driving, also extend components
Service life.Cooling body uses spray cooling, by the fuel injector that is mounted on motor housing directly to stator coil winding
Transformer oil is sprayed to complete the cooling to coil windings, while the centrifugal force effect of stator rotation is splashed to oil liquid in motor
Cooling entire mechanism everywhere, plays the role of in portion, and oil liquid is returned in hydraulic device by the back oil road of motor bottom.
2. integrated form according to claim 1 is to turning dual rotor motor wheel integral structure, it is characterised in that: the motor
Structure can be rotor and do outer rotor, stator does inner rotor core, is also possible to rotor and does internal rotor, stator does outer rotor knot
Structure.
3. integrated form according to claim 1 is to turning dual rotor motor wheel integral structure, it is characterised in that: described pair turns
Double-rotor machine can be direct current generator, AC induction motor, ac synchronous motor etc..
4. integrated form according to claim 1 is to turning dual rotor motor wheel integral structure, it is characterised in that: the system
Dynamic device can be the brake of the other forms such as dry type, wet type or electromagnetism, or the brake of monolithic or multi-disc.
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| CN110855073A (en) * | 2019-11-20 | 2020-02-28 | 山东理工大学 | Outer rotor electric wheel integrated structure based on non-pneumatic tire and assembling method |
| CN111823848A (en) * | 2020-06-12 | 2020-10-27 | 南京航空航天大学 | Explosion-proof non-inflatable electric wheel integrated structure and electric automobile |
| CN111953123A (en) * | 2020-05-22 | 2020-11-17 | 嵊州市万睿科技有限公司 | Multi-disc type high-torque hub motor structure for driving new energy automobile |
| CN112615483A (en) * | 2020-11-26 | 2021-04-06 | 中国船舶重工集团公司第七0五研究所 | Counter-rotating permanent magnet motor |
| CN114337078A (en) * | 2022-02-14 | 2022-04-12 | 吉林大学 | Dual-rotor hub motor two-gear speed change system based on dual electromagnetic clutches |
| CN114499039A (en) * | 2022-04-02 | 2022-05-13 | 吉林大学 | Wheel assembly integrating brake, hub motor and planetary reducer |
| US11358468B2 (en) | 2019-06-05 | 2022-06-14 | Jilin University | Two-speed transmission system integrated with inner rotor hub motor and electric vehicle using same |
| WO2022142971A1 (en) * | 2020-12-31 | 2022-07-07 | 广东美的制冷设备有限公司 | Hub motor and vehicle |
| US11712961B2 (en) | 2021-01-29 | 2023-08-01 | Jiangsu University | Dual-rotor in-wheel motor based on axial magnetic field and control method thereof |
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Application publication date: 20190405 |