CN106080222A - A kind of pure power-actuated electric automobile of tandem - Google Patents
A kind of pure power-actuated electric automobile of tandem Download PDFInfo
- Publication number
- CN106080222A CN106080222A CN201610344241.7A CN201610344241A CN106080222A CN 106080222 A CN106080222 A CN 106080222A CN 201610344241 A CN201610344241 A CN 201610344241A CN 106080222 A CN106080222 A CN 106080222A
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- China
- Prior art keywords
- disc type
- electric machine
- type electric
- electric automobile
- jack shaft
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B35/00—Axle units; Parts thereof ; Arrangements for lubrication of axles
- B60B35/12—Torque-transmitting axles
- B60B35/14—Torque-transmitting axles composite or split, e.g. half- axles; Couplings between axle parts or sections
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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
- 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
- B60K17/06—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of change-speed gearing
- B60K17/08—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of change-speed gearing of mechanical type
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L50/00—Electric propulsion with power supplied within the vehicle
Abstract
The present invention discloses a kind of pure power-actuated electric automobile of tandem, and it includes the drive shaft being distributed in pairs, and drive shaft includes the first jack shaft and the second jack shaft being in transmission connection successively；First jack shaft and the second jack shaft are connected from the direction transmission successively of the centrally directed side of described electric automobile；It has been sequentially arranged disc type electric machine controller, disc type electric machine and planetary reduction gear on first jack shaft；Disc type electric machine controller is connected with disc type electric machine, is used for controlling disc type electric machine；Disc type electric machine is in transmission connection with planetary reduction gear, and planetary reduction gear passes through the first jack shaft and the second jack shaft rotates；The end of the second jack shaft is connected with the wheel drive of electric automobile；The central shaft series connection of the described disc type electric machine in the described drive shaft of distribution in pairs.Such scheme can solve current electric automobile and use the motor of traditional radial flux type and ladder parallel shaft (speed) reducer to there is the bigger problem that takes up space.
Description
Technical field
The present invention relates to electric automobile design field, particularly relate to a kind of pure power-actuated electronic vapour of tandem
Car.
Background technology
Day by day serious with the day by day exhausted of resource and environmental pollution, tapping a new source of energy and reducing environmental pollution becomes and works as
The main task of modern society.In such cases, the update of automobile is day by day frequent, environmental pollution is less and power source more
The electric automobile of cleaning is more and more universal, and electric automobile is also the field that society puts forth effort development.
At present, electric automobile includes pure electric automobile and hybrid vehicle.Either pure electric automobile still mixes dynamic
Power automobile all uses traditional motor to combine traditional ladder parallel shaft (speed) reducer and realizes driving.Traditional motor is usually
The motor of radial flux type, such as AC permanent magnet synchronous motor, dc motor or AC asynchronous motor.We know
Road, the motor reel of radial flux type is relatively big to installation dimension, the power density of this type of motor and inefficient.And ladder
Parallel shaft (speed) reducer occupies bigger axial space.It will be apparent that current electric automobile uses the motor of radial flux type
Mode in conjunction with ladder parallel shaft (speed) reducer can increase the volume of vehicle body.It will be apparent that strict for space requirement, efficiency is higher
For electric automobile, the motor of radial flux type and ladder parallel shaft (speed) reducer can cause other parts of electric automobile
(such as battery) cannot reasonable Arrangement, even cannot arrange.Visible, use the motor of the radial flux type of transmission to combine rank
Ladder parallel shaft (speed) reducer can have a strong impact on development and the popularization of electric automobile.
Content of the invention
It is an object of the invention to provide a kind of pure power-actuated electric automobile of tandem, to solve current electric automobile
The motor of traditional radial flux type and ladder parallel shaft (speed) reducer is used to there is the bigger problem that takes up space.
To achieve these goals, the present invention provides following technical scheme:
A kind of pure power-actuated electric automobile of tandem, including the drive shaft being distributed in pairs, described drive shaft includes depending on
Secondary the first jack shaft being in transmission connection and the second jack shaft；Described first jack shaft and the second jack shaft are from described
The direction transmission successively of the centrally directed side of electric automobile is connected；Described first jack shaft has been sequentially arranged disc type electric machine control
Device processed, disc type electric machine and planetary reduction gear；Described disc type electric machine controller is connected with described disc type electric machine, is used for controlling described dish
Formula motor；Described disc type electric machine is in transmission connection with described planetary reduction gear, and described planetary reduction gear drives half by described first
Axle and described second jack shaft rotate；The end of described second jack shaft is connected with the wheel drive of described electric automobile；
The central shaft series connection of the described disc type electric machine of the described drive shaft of distribution in pairs；The central shaft of described disc type electric machine is described first
Jack shaft.
Preferably, above-mentioned electric automobile, the first jack shaft of two paired described drive shafts passes through ring flange or connection
Axial organ is connected..
Preferably, above-mentioned electric automobile, in described same described drive shaft, the central shaft of described disc type electric machine with described
The sun gear of planetary reduction gear is fixedly linked；The planet carrier of described planetary reduction gear and the fixing connection of the second jack shaft.
Preferably, described drive shaft is two right, two described drive shaft is distributed in respectively described electric automobile propons and
Back axle；Described propons is connected with regeneration brake system with the one in described back axle.
Preferably, described electric automobile also includes the battery bag of air-conditioning assembly, described air-conditioning assembly and described electric automobile
Electrical connection.
Preferably, described disc type electric machine is single rotor list stator disc type motor, bimorph transducer single rotor disc type electric machine, birotor
Single stator disc type motor, surface-mount type disc type electric machine or built-in disc type electric machine.
Preferably, described disc type electric machine controller is circular sleeve structure, and is sheathed on described first jack shaft；Institute
State disc type electric machine controller to be connected with described battery bag, for the DC inverter of the offer of described battery bag is become alternating current,
With control described disc type electric machine work.
Preferably, described disc type electric machine controller also includes fault detection module, described fault detection module and described dish
Formula motor is connected, for the fault-signal of described disc type electric machine feeds back to the processing unit of described disc type electric machine controller.
Preferably, brake position sensor, accelerator pedal position sensor and speed probe are also included；Described brake position
Put sensor, described accelerator pedal position sensor and the entire car controller all with described electric automobile for the described speed probe
ECU is connected.
In technique scheme, it is axial that electric automobile disclosed by the invention makes full use of disc type electric machine, planetary reduction gear
Disc type electric machine, planetary reduction gear are placed in drive shaft arranged in pairs and (are equivalent to drive by the advantage that size is short, output torque is big
Dynamic half-bridge).Combine for ladder parallel shaft (speed) reducer combination relative to traditional motor, can effectively save chassis empty
Between, conveniently other parts of the electric automobiles such as the battery bag of arrangement more capacity, can improve the distance travelled of electric automobile,
Reduce vehicle's center of gravity, improve riding stability.In addition, the electricity providing relative to the electric automobile of In-wheel motor driving, the present invention
Electrical automobile advantageously reduces the following quality of bearing spring, especially reduces the quality of tire part.
Brief description
In order to be illustrated more clearly that the embodiment of the present application or technical scheme of the prior art, below will be to institute in embodiment
The accompanying drawing using is needed to be briefly described, it should be apparent that, the accompanying drawing in describing below is only described in the present invention
A little embodiments, for those of ordinary skill in the art, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of the tandem four-wheel pure driven by power electric automobile that the embodiment of the present invention provides；
Fig. 2 is the structural representation of the tandem power coupling part that the embodiment of the present invention provides；
Fig. 3 is the structural representation of the tandem trailing wheel driven by power electric automobile that the embodiment of the present invention provides；
Fig. 4 is the structural representation of the tandem front-wheel driven by power electric automobile that the embodiment of the present invention provides；
Fig. 5 is the knot that another embodiment of the present invention provides the tandem four-wheel pure driven by power electric automobile with differential mechanism
Structure schematic diagram；
Fig. 6 is pure electric automobile Electric control loop diagram of the present invention；
Fig. 7 is a schematic diagram closing discharge loop in the present invention.
Fig. 8 is another schematic diagram closing discharge loop in the present invention.
Detailed description of the invention
In order to make those skilled in the art be more fully understood that technical scheme, below in conjunction with accompanying drawing to this
It bright is further detailed.
The embodiment of the present invention provides a kind of pure power-actuated electric automobile of tandem.The pure electric power of tandem being provided drives
Dynamic electric automobile can pass through four-wheel drive (as shown in Figure 1), it is also possible to by rear wheel drive (as shown in Figure 3), it is also possible to
By front-wheel drive (as shown in Figure 4).
Refer to Fig. 1-4, the pure power-actuated electric automobile of tandem that the present embodiment provides includes that be distributed in pairs drives
Moving axis.It should be noted that the driving structure of the electric automobile provided in the application is symmetrical structure, with the driving string of a pair
Connection is fixing, and symmetrical.
Drive shaft includes that the first jack shaft ML4 (the i.e. first jack shaft 17LF) and second being in transmission connection successively drives
Semiaxis 5LF, the first jack shaft ML4 and the second jack shaft 5LF depend on from the direction of the centrally directed side of described electric automobile
Secondary transmission is connected, say, that one end of the first jack shaft ML4 is positioned at the centre of electric automobile, and the other end and second drives
Semiaxis 5LF is connected, and the rotation of the first jack shaft ML4 can drive the second jack shaft 5LF to rotate, the wheel 1LF of electric automobile
Being arranged on the end of the second jack shaft 5LF, the rotation of the first jack shaft ML4 is eventually by the second jack shaft 5LF
Wheel 1LF is driven to rotate eventually.
In the present embodiment, at wheel 1LF, be provided with brake disc 2LF, the second jack shaft 5LF by spring bearing 3LF with
The vehicle frame of electric automobile forms revolute pair.First jack shaft ML4 and the second jack shaft 5LF can be passed by universal joint 6LF
It is dynamically connected.Also can realize being in transmission connection by universal joint 4LF between second jack shaft 5LF and the wheel shaft of wheel 1LF.Preferably
, universal joint 6LF and universal joint 4LF can be Hooke's joint, it is also possible to be rzeppa joint.Certainly, universal joint 6LF
Also can pass through a pair gear pair or a pair ring flange 9LF realizes the connection with the first jack shaft ML4.Connected by gear pair
Then allow the first jack shaft ML4 and the wheel shaft of wheel 1LF not coaxial.In addition, the first jack shaft ML4 or second drives half
Axle 5LF can form revolute pair by the vehicle frame of spring bearing 7LF and electric automobile, and then reaches the mesh of stable support power transmission shaft
's.
It has been sequentially arranged dish on the direction of the centrally directed electric automobile sidepiece of electric automobile, the first jack shaft ML4
Formula electric machine controller 10LF, disc type electric machine 11LF and planetary reduction gear 12LF；As shown in Figure 1.Disc type electric machine controller 10LF uses
In control disc type electric machine 11LF work, the such as unlatching of disc type electric machine 11LF, closedown, rotating speed size etc..Disc type electric machine 11LF with
Planetary reduction gear 12LF is in transmission connection, and the rotating speed of disc type electric machine 11LF output passes to the after planetary reduction gear 12LF deceleration
One jack shaft ML4, is finally passed to wheel 1LF by the first jack shaft ML4 by the second jack shaft 5LF.Distribution in pairs
Described drive shaft described disc type electric machine central shaft series connection；The central shaft of described disc type electric machine is the first jack shaft, enters
And it is implemented as the series connection of the drive shaft to distribution.Two paired drive shafts generally pass through ring flange or shaft coupling 56F series connection.
In the present embodiment, paired drive shaft is provided with planetary reduction gear, disc type electric machine and disc type electric machine controller.
Concrete, in same drive shaft, the sun gear PL1 of the central shaft of disc type electric machine 11LF and described planetary reduction gear 12LF fixes
It is connected；The sun gear PR1 of described planetary reduction gear 12RF and the second jack shaft 5RF is fixing to be connected.
In electric automobile disclosed in the present embodiment, the first jack shaft ML4 and the second jack shaft 5LF connects, and passes through
The driving of disc type electric machine 11LF realizes that wheel 1LF moves, and whole drive shaft uses the structure design of independent suspension.Owing to driving
Mechanism is symmetrical mechanism, the angle between the first jack shaft ML4 and the second jack shaft 5LF and the second jack shaft 5LF with
Angle between the wheel shaft of wheel 1LF is all with the Central Symmetry of whole electric automobile.This kind of symmetrical structure is able to ensure that, electronic vapour
Car is during running, and the moment of torsion of two wheels of same Time Transmission to paired distribution is identical, and then can reduce torsion
Power turns to the uneven problem of distribution.
Refer to Fig. 1, in concrete driving process, cross-tie 28 can be passed through between two wheels of distribution in pairs
Linkage, cross-tie 28 can pass through rack and pinion drive mechanism 29, by means of electronics power-assisted or connect power-assisted, it is achieved is distributed in pairs
The turning to of two wheels.
Referring again to Fig. 2, in the present embodiment, planetary reduction gear 12LF can include sun gear PL1, planetary gear PL2, tooth
Circle PL4 and planet carrier PL3.Above-mentioned planetary reduction gear 12LF has bigger speed reducing ratio, can reduce drive shaft more significantly
Axial dimension.The present embodiment, the rotating speed output shaft of disc type electric machine 11LF can lead to the sun gear PL1 of planetary reduction gear 12LF
Cross flange to realize connecting, finally implement to slow down to the rotating speed of the output shaft of disc type electric machine 11LF, finally realize the deceleration of wheel 1LF
Increase and turn round.
Disc type electric machine 11LF is a kind of AC permanent magnet synchronous motor, and axial dimension is less.In the present embodiment, disc type electric machine
11LF can be single rotor list stator disc type motor, bimorph transducer single rotor disc type electric machine, double rotor single stator disc type motor, Surface Mount
Formula disc type electric machine, built-in disc type electric machine etc..
It in the present embodiment, when electric automobile is four-wheel drive, is positioned at two disc type electric machines (disc type electricity of back axle or propons
Machine 11LR, disc type electric machine 11RR) both can make motor, it is also possible to as generator.Electric automobile is in the process of downhill running
In, driver can put braking, can be in the two of idle running by mode of operation controller and regeneration brake system 27L
Individual disc type electric machine switches to power generation mode, and regeneration brake system 27L realizes the recycling of braking energy, in such cases, electricity
In electrical automobile, the disc type electric machine in two drive mechanisms in front can normally work, the disc type of two drive mechanisms at rear
Motor can start to reclaim braking energy under the control of regeneration brake system 27L as generator.
The electric automobile that the present embodiment provides is powered by battery bag 24, and battery bag 24 is that the power of whole electric automobile comes
Source, usually chargeable batteries.The electric automobile that the present embodiment provides includes air-conditioning assembly, air-conditioning assembly and battery bag
24 electrical connections, realize refrigeration and heat-production functions by the power supply of battery bag 24.As it is shown in figure 1, air-conditioning assembly includes that the 13rd, condenser steams
Sending out device the 14th, compressor 15 and compressor electric motor controller 16, above-mentioned all parts is connected to form Air-conditioning Cycle, reaches to improve electricity
The purpose of electrical automobile internal temperature environment.Concrete, condenser the 13rd, compressor the 15th, evaporimeter 14 and compressor electric motor controller
16 can be arranged in the cabin of electric automobile, are similar to the engine nacelle of orthodox car.
Owing to battery bag 24 is the power resources of whole electric automobile, in order to be thought of as each electricity consumption part of electric automobile more
For powering easily, battery bag 24 is preferably placed between front-rear axle, i.e. between front wheels and rear wheels.Certainly, battery bag 24 also may be used
Think multiple, match with each wheel respectively, and then power for each disc type electric machine.
In the present embodiment, disc type electric machine controller 10LF could be arranged to circular sleeve structure, disc type electric machine controller
10LF is set on the first jack shaft；Disc type electric machine controller 10LF is connected with battery bag, for provide battery bag 24
DC current is reverse into alternating current, and then reaches control disc type electric machine 11LF work, and such as control disc type electric machine 11LF rotates forward, instead
Turn, accelerate, slow down, start or stop.Disc type electric machine controller 10LF can be with the entire car controller ECU25 phase of electric automobile
Even, can be according to the output electric current of the control signal control battery bag 24 of entire car controller ECU25.Preferably, disc type electric machine control
Device 10LF processed can include fault detection module, and fault detection module is connected with disc type electric machine 11LF, for by disc type electric machine
The fault-signal of 11LF feeds back to the processing unit of disc type electric machine controller 10LF, through the process of disc type electric machine controller 10LF
After cell processing, result can be fed back to entire car controller ECU25, to facilitate driver to make according to troubleshooting result
React timely.
In the electric automobile that the present embodiment provides, the anti-drive end of disc type electric machine 11LF can arrange speed probe
8LF, speed probe 8LF can be rotary transformer or photoelectric encoder, for gathering the rotor ML1 of disc type electric machine 11LF
The positional information of (the corresponding rotor MR1 of the other end).Speed probe 8LF can be connected with entire car controller ECU25, it is possible to
To be connected with entire car controller ECU25 by disc type electric machine controller 10LF.
The brake pedal 20 of electric automobile also can be correspondingly arranged brake position sensor 21, and brake position sensor 21 is used
In the position signalling gathering brake pedal 20.Brake position sensor 21 is connected with entire car controller ECU25, for stepping on brake
The position signalling of plate 20 is sent to overall controller ECU25.Entire car controller ECU25 can believe according to the position of brake pedal 20
Number use different mode of braking.Put in a flash gently, two disc type electric machines (the disc type electricity in the drive shaft of control back axle both sides
Machine 11LR, disc type electric machine 11RR), by passing through regeneration brake system (regeneration brake system 27L, regeneration brake system respectively
27R) energy feeding braking generating, it is achieved energy recovery function, charges to battery bag 24.When the degree of depth touches on the brake, the control of brake
By the braking torque distribution module in entire car controller ECU25, pass to brake controller 26, assignment system kinetic moment, control
Clamp the dynamics of each brake disc (brake disc 2LF, brake disc 2RF, brake disc 2LR and brake disc 2RR), it is achieved mechanical brake system
Dynamic, reduce speed, it is to avoid skid, reduce the abrasion of tire.
The electric automobile that the present embodiment provides can also include accelerator pedal position sensor 23, and accelerator pedal position senses
Device 23 is used for gathering the position signalling of gas pedal 22, and the position signalling by gas pedal 22 is sent to entire car controller
This position signalling can be converted into torque signals by ECU25, entire car controller ECU25, is sent to disc type electric machine controller 10LF,
Disc type electric machine controller 10LF can be carried out by battery bag 24 according to the AC/DC electric current needed for torque signals calculating accordingly
The electric discharge of electricity, is eventually fed each disc type electric machine, and then realizes the acceleration of electric automobile.
The electric automobile that the present embodiment provides can also include steering wheel rotation angle sensor 19, steering wheel rotational angle
Sensor 19 is for detecting the rotational angle of steering wheel 18, and steering wheel rotation angle sensor 19 also can be with entire car controller
ECU25 is connected, for the rotational angle to entire car controller ECU25 feedback steering wheel 18, for driver with reference to adjust accordingly
Whole.
Refer to accompanying drawing 5, each electronic drive unit in the disclosed electric automobile of this enforcement can comprise battery bag
24th, the 33rd, the 30th, main relay protection circuit boost DC/DC voltage conversion circuit the 31st, discharge circuit the 32nd, thin-film capacitor the 42nd, inverter
Performance element (disc type electric machine 11) and step-down DC/DC voltage conversion circuit the 51st, motor drive controller the 55th, entire car controller
ECU25。
Disc type electric machine 11 (i.e. disc type electric machine 11LF, disc type electric machine 11RF, disc type electric machine 11LR or disc type electric machine 11RR)
Operating is powered by battery bag 24, through main relay the 34th, pre-charge-relay 35 protection circuit, then passes through boosting DC/DC electricity
Pressure translation circuit 31 boosts to battery bag 24, to reduce line loss and to expand machinery external characteristics interval, through discharge circuit 32
Charge to thin-film capacitor 42, through inverter 33, inverse of the DC into AC, supply electricity to disc type electric machine 11.Disc type electric machine
Controller 10LF produces 6 tunnel PWM ripples, and for controlling 6 IGBT switching tubes of 3 brachium pontis of inverter 33, (i.e. IGBT opens
Close pipe the 43rd, IGBT switching tube the 44th, IGBT switching tube the 45th, IGBT switching tube the 46th, IGBT switching tube the 47th, IGBT switching tube 48) logical
Disconnected.Vehicle speed-up /-down command is converted into current order, passes to disc type electric machine controller 10LF, passed by electric current simultaneously
Sensor 49, current sensor 50 obtains current feedback values, passes through rotary transformer or photoelectric encoder (revolution speed sensing simultaneously
Device 8LF) obtain rotor position information, and seek difference with initial value contrast, voltage sensor gathers the input voltage (bus of inverter
Voltage), through vector control algorithm, go out the input voltage needed for disc type electric machine 11 by PARK conversion with CLARK transformation calculations,
It is finally reached expected rotating speed.Meanwhile, the high pressure of battery bag 24 is by step-down DC/DC voltage conversion circuit 51, gives little storage battery the 52nd,
Key switch the 53rd, the accessory power supplys such as car light are powered.Entire car controller ECU25 coordinates the action of motor drive controller 55.Such as figure
Shown in 1, Fig. 6.
Filter capacitor the 36th, IGBT37, IGBT39, reactor 38 collectively constitute boosting DC/DC voltage conversion circuit 31.When
When IGBT41 receives the connection of motor drive controller 55 signal, the switching transistor of thin-film capacitor the 42nd, resistance the 40th, IGBT41 is formed
Wherein closing discharge loop for one, thin-film capacitor 42 discharges, and is discharged with form of heat by resistance 40, as it is shown in fig. 7, another envelope
Close discharge loop, by the fly-wheel diode of filter capacitor the 36th, reactor the 38th, IGBT39, the switching transistor of resistance the 40th, IGBT41
Composition, filter capacitor 36 discharges, and through the resistance 40 in this loop, dissipates with form of heat, as shown in Figure 8.
Thin-film capacitor the 42nd, filter capacitor 36 opening and closing through public discharge circuit 32, by motor drive control
Device 55 processed controls.Voltage sensor 54 gathers the DC bus-bar voltage of inverter 33 input, passes to this voltage signal
Motor drive controller 55.
Electric automobile disclosed by the invention makes full use of disc type electric machine, planetary reduction gear axial dimension is short, output torque is big
Advantage, be placed in disc type electric machine, planetary reduction gear in drive shaft arranged in pairs (be equivalent to drive half-bridge).Relative to tradition
Motor combine ladder parallel shaft (speed) reducer combination for, can effectively save space, chassis, convenient arrange more capacity
Other parts of the electric automobile such as battery bag, the distance travelled of electric automobile can be improved, reduce vehicle's center of gravity, improve row
Sail stability.In addition, relative to the electric automobile of In-wheel motor driving, the electric automobile that the present invention provides advantageously reduces suspension
The following quality of spring, especially reduces the quality of tire part.
Such as Fig. 1,3 and 4, it should be noted that wheel 1RF, brake disc 2RF, spring bearing 3RF, universal joint 4RF, second
Jack shaft 5RF, universal joint 6RF, spring bearing 7RF, speed probe 8RF, ring flange 9RF, disc type electric machine controller 10RF,
Disc type electric machine 11RF, planetary reduction gear 12RF, the first jack shaft 17LR respectively with wheel 1LF, brake disc 2LF, spring bearing
3LF, universal joint 4LF, the second jack shaft 5LF, universal joint 6LF, spring bearing 7LF, speed probe 8LF, ring flange 9LF,
Disc type electric machine controller 10LF, disc type electric machine 11LF, planetary reduction gear 12LF, the first jack shaft 17RF one_to_one corresponding, and work(
Can be identical, specifically refer to the description to all parts in foregoing embodiments.
In like manner, wheel 1LR, brake disc 2LR, spring bearing 3LR, universal joint 4LR, the second jack shaft 5LR, universal joint
6LR, spring bearing 7LR, speed probe 8LR, ring flange 9LR, disc type electric machine controller 10LR, disc type electric machine 11LR, planet
Decelerator 12LR, the first jack shaft 17LR respectively with wheel 1LF, brake disc 2LF, spring bearing 3LF, universal joint 4LF, second
Jack shaft 5LF, universal joint 6LF, spring bearing 7LF, speed probe 8LF, ring flange 9LF, disc type electric machine controller 10LF,
Disc type electric machine 11LF, planetary reduction gear 12LF and the first jack shaft 17LF one_to_one corresponding, and function is identical, specifically refer to
Description to all parts in literary composition embodiment.
In like manner, wheel 1RR, brake disc 2RR, spring bearing 3RR, universal joint 4RR, the second jack shaft 5RR, universal joint
6RR, spring bearing 7RR, speed probe 8RR, ring flange 9RR, disc type electric machine controller 10RR, disc type electric machine 11RR, planet
Decelerator 12RR, the first jack shaft 17RR, shaft coupling 56R respectively with wheel 1LF, brake disc 2LF, spring bearing 3LF, universal
Joint 4LF, the second jack shaft 5LF, universal joint 6LF, spring bearing 7LF, speed probe 8LF, ring flange 9LF, disc type electric machine
Controller 10LF, disc type electric machine 11LF, planetary reduction gear 12LF, the first jack shaft 17LF and shaft coupling 56F one_to_one corresponding, and
Function is identical, specifically refer to the description to all parts in foregoing embodiments.
In the application, the first jack shaft MR4 (the i.e. first jack shaft 17RF), stator MR2, rotor MR1, bearing MR3,
Sun gear PR1, planetary gear PR2, gear ring PR4, planet carrier PR3 respectively with the first jack shaft ML4, stator ML2, rotor ML1, axle
Hold ML3, sun gear PL1, planetary gear PL2, planet carrier PL3, gear ring PL4 one_to_one corresponding, and function is identical, specifically refer to above
Description to all parts in embodiment.
By way of explanation, only describe some one exemplary embodiment of the present invention above, undoubtedly, for ability
The those of ordinary skill in territory, in the case of without departing from the spirit and scope of the present invention, can be by various different modes to institute
The embodiment describing is modified.Therefore, above-mentioned accompanying drawing and description are inherently illustrative, should not be construed as to the present invention
The restriction of claims.
Claims (9)
1. the pure power-actuated electric automobile of a tandem, it is characterised in that include the drive shaft being distributed in pairs, described driving
Axle includes the first jack shaft and the second jack shaft being in transmission connection successively；Described first jack shaft and the second jack shaft
It is connected from the direction transmission successively of the centrally directed side of described electric automobile；Described first jack shaft has been sequentially arranged disc type
Electric machine controller, disc type electric machine and planetary reduction gear；Described disc type electric machine controller is connected with described disc type electric machine, is used for controlling
Described disc type electric machine；Described disc type electric machine is in transmission connection with described planetary reduction gear, and described planetary reduction gear passes through described first
Jack shaft and described second jack shaft rotate；The end of described second jack shaft and the wheel drive of described electric automobile
Connect；The central shaft series connection of the described disc type electric machine of the described drive shaft of distribution in pairs；The central shaft of described disc type electric machine is institute
State the first jack shaft.
2. electric automobile according to claim 1, it is characterised in that the first driving half of two paired described drive shafts
Axle passes through ring flange or shaft coupling series connection.
3. electric automobile according to claim 1, it is characterised in that in described same described drive shaft, described disc type
The central shaft of motor is fixedly linked with the sun gear of described planetary reduction gear；The planet carrier of described planetary reduction gear and second drives
Semiaxis is fixing to be connected.
4. electric automobile according to claim 1, it is characterised in that described drive shaft is two right, and two to described drive shaft
It is distributed in propons and the back axle of described electric automobile respectively；One in described propons and described back axle and regeneration brake system phase
Even.
5. electric automobile according to claim 1, it is characterised in that described electric automobile also includes air-conditioning assembly, described
Air-conditioning assembly electrically connects with the battery bag of described electric automobile.
6. electric automobile according to claim 1, it is characterised in that described disc type electric machine is single rotor list stator disc type electricity
Machine, bimorph transducer single rotor disc type electric machine, double rotor single stator disc type motor, surface-mount type disc type electric machine or built-in disc type electric machine.
7. electric automobile according to claim 1, it is characterised in that described disc type electric machine controller is circular sleeve knot
Structure, and be sheathed on described first jack shaft；Described disc type electric machine controller is connected with described battery bag, for by described electricity
The DC inverter of the offer of Chi Bao becomes alternating current, to control the work of described disc type electric machine.
8. electric automobile according to claim 7, it is characterised in that described disc type electric machine controller also includes fault detect
Module, described fault detection module is connected with described disc type electric machine, for the fault-signal of described disc type electric machine is fed back to institute
State the processing unit of disc type electric machine controller.
9. the electric automobile according to arbitrary in claim 1-8, it is characterised in that also include brake position sensor, oil
Door pedal position sensor and speed probe；Described brake position sensor, described accelerator pedal position sensor with described
Speed probe is all connected with the entire car controller ECU of described electric automobile.
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| US20220376592A1 (en) * | 2021-05-19 | 2022-11-24 | GM Global Technology Operations LLC | Axial flux motor drive unit with two independent rotors sharing a stator |
| WO2024032724A1 (en) * | 2022-08-10 | 2024-02-15 | 上海盘毂动力科技股份有限公司 | Electric drive system |
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| CN106080222B (en) | 2018-12-21 |
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