CN107738569A - A kind of bi-motor single planetary bevel gear system electric driver - Google Patents
A kind of bi-motor single planetary bevel gear system electric driver Download PDFInfo
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- CN107738569A CN107738569A CN201711024843.5A CN201711024843A CN107738569A CN 107738569 A CN107738569 A CN 107738569A CN 201711024843 A CN201711024843 A CN 201711024843A CN 107738569 A CN107738569 A CN 107738569A
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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
- B60K1/02—Arrangement or mounting of electrical propulsion units comprising more than one electric motor
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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
- 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
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Abstract
The present invention relates to a kind of bi-motor single planetary bevel gear system electric driver, including the first motor（16）, planetary gear train（100）, the second motor（13）And wet clutch（104）, planetary gear train（100）Including sun gear（101）, gear ring（102）, planet carrier（103）With planetary gear train housing, the first motor（16）With sun gear（101）It is connected, gear ring（102）It is fixedly connected between the planetary gear train housing, the second motor（13）With planet carrier（103）It is connected, wet clutch（104）One end and sun gear（101）It is connected, its other end and planet carrier（103）It is connected.Compared with the prior art, the invention has the advantages that：Two grades of speed changes of power failure-free can be realized, reach to the first motor carry out slow down increase turn round purpose and meet vehicle dynamic property requirement while, shift process can be completed by wet clutch, and shift process is steady, shift time is short, ride performance is good.
Description
Technical field
The present invention relates to driving device for pure electric vehicles, more particularly to a kind of bi-motor single planetary bevel gear system electric driver.
Background technology
To alleviate the global energy crisis to increasingly sharpen, greenhouse gas emission is reduced, keeps the sustainable development of human society
Exhibition, the focal issue developed into automobile industry of electric automobile, increasingly by the concern and again of government and the people
Depending on.Pure electric automobile is to substitute orthodox car engine and the new-energy automobile of energy-conserving and environment-protective by motor, due to electronic equipment
Have can with carry start, operating rotational speed range is wide and the characteristic of stepless time adjustment, therefore pure electric automobile can independently be driven using motor
And speed changer is not provided with, but the technical scheme needs to be equipped with the motor of relatively high power and moment of torsion, this will cause motor work
Make that efficiency is low, vehicle economy is poor, simultaneously because being not provided with speed changer, vehicle climbing capacity and acceleration are bad.Accordingly
In order to improve its power performance, widely used technical scheme is the setting AMT speed change gears after motor in the prior art, but
Because main drive motor need to be unloaded i.e. moment of torsion clearing by AMT in gear shift, and the process such as carry out plucking gear, speed governing, put into gear, at this
During can produce obvious power interruption technical problem, and then cause pause and transition in rhythm or melody sense substantially in addition produce impact, have a strong impact on vapour
Car ride performance and riding comfort.Meanwhile torsion shake etc. can be produced when being reloaded after the clearing of transmission system drives moment of torsion no
Sharp phenomenon, directly affect the service life of transmission system parts.And applied in traditional energy automobile without in obvious power
Disconnected speed change gear, such as DCT, DSG, CVT etc., there is complicated, manufacture and maintenance cost height, working characteristics and electronic vapour
The technological deficiency that car is not inconsistent, therefore be not suitable for being widely used in pure electric automobile.
Patent No. ZL201520848644.6 Chinese utility model patent discloses a kind of electric automobile driving apparatus,
The electric automobile driving apparatus, including main drive motor, stand-by motor, planetary gearsets, the first lock-up clutch, the second locking
Clutch and decelerator, the planetary gearsets include sun gear, more than one planetary gear, planet carrier and gear ring, it is described too
Sun wheel is arranged on the gear ring center, and the planetary gear is circumferentially distributed in rotatable installation planet carrier.The utility model
Beneficial effect be：Main drive motor, stand-by motor and planetary gearsets are provided with device, when electric car is in different fortune
During row state, the motor work in drive device can be made by the efficient combination of main drive motor, stand-by motor and planetary gearsets
Make in high efficient district, significantly widen the scope of device power source drive high efficient district, improve electric motor car energy utilization rate, increase electric car
Distance travelled.But the utility model is provided with two lock-up clutches, and its is complicated, manufacturing cost is high, while is also unfavorable for
Arrangement；In addition, the technical scheme is by controlling two lock-up clutches to be only capable of realizing that main drive motor is operated alone, aids in electricity
Machine is operated alone and bi-motor coupling driving, it is impossible to be varied with gearratio, i.e., can not realize large speed ratio motor driving or
The small speed of person drives than motor.Therefore urgently improve.
Patent No. ZL201510309021.6 Chinese invention patent discloses a kind of planetary gear Dual-motors Driving dress
Put, including planetary reducer, the first motor, the second motor, it is arranged to empty by planet carrier, sun gear, the first motor shaft
Core structure, the first motor shaft are connected with sun gear, and the second motor shaft passes through the first motor shaft, sun gear, the hollow knot of planet carrier
Structure is simultaneously connected with planet carrier, and the first motor exports to slow down, and the second motor is directly to export, i.e., equivalent to have two gears, together
When again without mechanical changeover mechanism, need to only drive according to operating mode switch motor, solve prior art power performance deficiency, shift gears
The problem of complicated is controlled, is mainly used in driving device for pure electric vehicles field.But the invention is by controlling the first motor and the
The start and stop of two motors are only capable of realizing three kinds of mode of operations, i.e. the first motor is operated alone, the second motor is operated alone and bi-motor
Coupling driving, it is impossible to realize that the driving of large speed ratio motor or small speed drive than motor, motor is also difficult to ensure that under different operating modes
High efficient district is worked in, therefore the economy of the technical scheme is poor, it would be highly desirable to improve.
The content of the invention
It is an object of the present invention to provide a kind of characteristics of compact layout for pure electric automobile, control is simple, functional integration is high and
The bi-motor single planetary bevel gear system electric driver of good reliability.
In order to realize foregoing invention purpose, power interruption phenomenon present in prior art is eliminated, ensures ride performance
With riding comfort, while take into account the dynamic property and economy of pure electric automobile, solve existing electric automobile driving apparatus and
Above-mentioned technological deficiency existing for planetary gear double-motor driving device, bi-motor single planetary bevel gear system electric driver of the invention are adopted
Technical scheme is as follows：
A kind of bi-motor single planetary bevel gear system electric driver, including the first motor, planetary gear train, the second motor
And wet clutch, the planetary gear train include sun gear, gear ring, planet carrier and planetary gear train housing, the first driving electricity
Machine is connected with the sun gear, is fixedly connected between the gear ring and the planetary gear train housing, second motor
It is connected with the planet carrier, described wet clutch one end is connected with the sun gear, its other end and the planet carrier
It is connected.
Preferably, using parallel arrangement structure between first motor, planetary gear train and the second motor.
It is preferably in any of the above-described scheme, including moment of torsion control unit and integrated motor control unit, described first
Motor output end is provided with the first motor speed probe, and the second motor output end is provided with the second drive
Dynamic motor speed sensor, the first motor speed probe and the second motor speed probe respectively with it is described
Moment of torsion control unit is connected, first motor and the second motor respectively with the integrated motor control unit phase
Connection.
It is preferably in any of the above-described scheme, including vehicle drive axle, driving wheel of vehicle and power transmission shaft, described second drives
Dynamic motor is connected by the power transmission shaft with the vehicle drive axle, and the vehicle drive axle is connected with the driving wheel of vehicle
Connect.
In any of the above-described scheme preferably, including electrokinetic cell and battery management system, the electrokinetic cell are distinguished
It is connected with the battery management system and the integrated motor control unit.
In any of the above-described scheme preferably, including vehicle CAN communication network, internal CAN communication network, instrument control
Unit, full-vehicle control unit and the other modules of vehicle, the vehicle CAN communication network respectively with the battery management system, instrument
Table control unit, full-vehicle control unit are connected with the other modules of vehicle, and the internal CAN communication network integrates with described respectively
Motor control unit, full-vehicle control unit are connected with moment of torsion control unit.
In any of the above-described scheme preferably, the first motor speed probe and the second motor rotating speed
Sensor uses hall-effect speed sensor.
In any of the above-described scheme preferably, the first motor speed probe and the second motor rotating speed
Sensor uses Mageneto-sensitive type speed probe.
In any of the above-described scheme preferably, the first motor speed probe and the second motor rotating speed
Sensor uses laser type speed probe.
In any of the above-described scheme preferably, the first motor speed probe and the second motor rotating speed
Sensor uses magnetoelectric tachometric transducer.
In any of the above-described scheme preferably, the first motor speed probe and the second motor rotating speed
Sensor uses capacitive tachometer transducer.
In any of the above-described scheme preferably, the first motor speed probe and the second motor rotating speed
Sensor uses variable reluctance speed probe.
Compared with the prior art, the invention has the advantages that：The present invention is by setting the bi-motor for including wet clutch
Single planetary bevel gear architecture can realize two grades of speed changes of power failure-free, increase what is turned round reaching the first motor slow down
Purpose and meet vehicle dynamic property requirement while, on the one hand, can complete to shift gears by set wet clutch
Journey, shift process steadily without impact, shift time is short, ride performance is good；On the other hand, set bi-motor structure is passed through
Ensure power failure-free during gearshift, so as to realize the technique effect good without pause and transition in rhythm or melody sense, riding comfort in vehicle travel process,
Effectively avoid existing AMT structures from turning round shake phenomenon caused by transmission system in gearshift, greatly improve system and each structure member
Working life.The present invention can effectively reduce the requirement to motor peak power and peak torque, further reduce motor volume
With reduction manufacturing cost.The present invention is equal when no matter making vehicle in acceleration, low speed or high-speed working condition by using Dual-motors Driving
Can be driven by single motor or Dual-motors Driving and combine different gears driving vehicle advance, it is ensured that motor operation all the time in height
Area is imitated, so as to further improve the economy of vehicle traveling.Bi-motor torque couple driving simultaneously also improves power drive system
Fault-tolerance, system reliability is high.Two motors in the present invention can individually carry out Brake energy recovery, and car
Can according to braking of the different driving cycle demands to two motors reclaim moment of torsion carry out reasonable distribution.Structure letter of the present invention
It is list, characteristics of compact layout, easy to implement, the mounting arrangements of vehicle are also allowed for, further improve the confined space utilization rate of vehicle.This hair
Bright dual drive Motor torque can carry out complementation, and fault-tolerance is strong, and reliability is high, and total is easy to maintain, and practicality is good,
With preferable application value.
Brief description of the drawings
Overall frame structures of the Fig. 1 as a preferred embodiment of the bi-motor single planetary bevel gear system electric driver of the present invention
Schematic diagram；
Fig. 2 is the bi-motor list in the bi-motor single planetary bevel gear system electric driver embodiment illustrated in fig. 1 according to the present invention
The structural representation of planetary gear train.
Description of reference numerals：
1 electrokinetic cell；2 battery management systems (Battery Management System, BMS)；3 vehicle CAN communication nets
Network (CAN1)；4 inside CAN communication networks (CAN2)；5 Meter Control Units (Instrument Control Unit, ICU)；6
Full-vehicle control unit (Vehicle Control Unit, VCU)；7 moment of torsion control units (Torque Control Unit,
TCU)；The other modules of 8 vehicles；9 driving wheel of vehicle；10 second motor speed probes；11 vehicle drive axles；12 transmissions
Axle；13 second motors (Traction Motor 2, TM2)；14 integrated motor control unit (Motor Control
Unit, MCU)；15 first motor speed probes；16 first motors (Traction Motor 1, TM1).
100 planetary gear trains；101 sun gears；102 gear rings；103 planet carriers；104 wet clutches.
Embodiment
The present embodiment is only an optimal technical scheme, wherein involved each building block and annexation and unlimited
The setting and connection of each building block in a kind of this following embodiment described by the embodiment, the preferred scheme
Relation can carry out arbitrary permutation and combination and form complete technical scheme.
The technical scheme of the bi-motor single planetary bevel gear system electric driver is described in detail with reference to Fig. 1,2：
A kind of bi-motor single planetary bevel gear system electric driver, including the first motor 16, planetary gear train 100, second drive
Dynamic motor 13 and wet clutch 104, planetary gear train 100 include sun gear 101, gear ring 102, planet carrier 103 and planetary gear train
Housing, the first motor 16 are connected with sun gear 101, are fixedly connected between gear ring 102 and the planetary gear train housing, the
Two motors 13 are connected with planet carrier 103, and the one end of wet clutch 104 is connected with sun gear 101, its other end and row
Carrier 103 is connected, using parallel arrangement structure between the first motor 16, the motor 13 of planetary gear train 100 and second.
Including moment of torsion control unit 7 and integrated motor control unit 14, the output end of the first motor 16 is provided with the first motor
Speed probe 15, the output end of the second motor 13 are provided with the second motor speed probe 10, the first motor
The motor speed probe 10 of speed probe 15 and second is connected with moment of torsion control unit 7 respectively, the first motor
16 and second motor 13 be connected respectively with integrated motor control unit 14.Including vehicle drive axle 11, driving wheel of vehicle 9
With power transmission shaft 12, the second motor 13 is connected by power transmission shaft 12 with vehicle drive axle 11, vehicle drive axle 11 and vehicle
Driving wheel 9 is connected.Including electrokinetic cell 1 and battery management system 2, electrokinetic cell 1 respectively with battery management system 2 and integrated
Motor control unit 14 is connected.Including vehicle CAN communication network 3, internal CAN communication network 4, Meter Control Unit 5, vehicle
Control unit 6 and the other modules 8 of vehicle, vehicle CAN communication network 3 respectively with battery management system 2, Meter Control Unit 5, whole
The modules 8 other with vehicle of car control unit 6 are connected, internal CAN communication network 4 respectively with integrated motor control unit 14, whole
Car control unit 6 is connected with moment of torsion control unit 7.First motor speed probe 15 and the second motor rotating speed pass
Sensor 10 can select to turn using hall-effect speed sensor, Mageneto-sensitive type speed probe, laser type speed probe, magneto-electric
Any one in fast sensor, capacitive tachometer transducer and variable reluctance speed probe.
The present invention operation principle be：When wet clutch 104 does not engage, the moment of torsion of the first motor 16 is by the sun
The input of wheel 101, is exported, according to the characteristic of planetary gear train 100, the moment of torsion of the first motor 16 is exaggerated by planet carrier 103；The
Couple, exported to vehicle at moment of torsion planet carrier 103 after the moment of torsion of two motors 13 is exaggerated with the first motor 16
Drive axle 11；When wet clutch 104 engages, sun gear 101 is fixedly connected with planet carrier 103 as an entirety, now
Planetary gear train 100 does not have moment of torsion amplification, and the moment of torsion of the moment of torsion of the first motor 16 and the second motor 13 is expert at
Couple, exported to vehicle drive axle 11 at carrier 103.
If the gearratio (ratio of the number of teeth of gear ring 102 and the number of teeth of sun gear 101) of planetary gear train 100 is k in the present embodiment,
The output torque of first motor 16 is T1, rotating speed n1；The output torque of second motor 13 is T2, rotating speed n2；System
Final output torque of uniting is T3, rotating speed n3。
When wet clutch 104 does not engage, the relation between the torque of each important component in the present embodiment and rotating speed
It is as follows：
T3=(1+k) T1+T2
When wet clutch 104 engages, sun gear 101 and planet carrier 103 are fixed into an entirety, now the present embodiment
In each important component torque and rotating speed between relation it is as follows：
T3=T1+T2
n3=n2=n1
The present invention can be realized by planetary gear train 100 and wet clutch 104 keeps off speed change to the two of the first motor 16.
When wet clutch 104 does not engage, planetary gear train 100, which has to slow down, increases torsion effect, meets the big torsion of the operating modes such as vehicle acceleration
Square demand, improve the power performance of vehicle.When vehicle is little to torque demand, wet clutch 104 engages, planetary gear train
100 now increase torsion effect without slowing down, and system output torque is the moment of torsion of the first motor 16 and the second motor 13
With.The present invention only gear switching need to can be carried out by wet clutch 104, avoid existing AMT structures pluck gear, unloading,
Speed governing, a series of complicated operation process such as put into gear, shift time is short, power failure-free and shift shock, ride performance and
Riding comfort is substantially improved.The present invention in the output end of the first motor 16 and the output end of the second motor 13 by distinguishing
The the first motor speed probe 15 and the second motor speed probe 10 of arrangement, the two sensorses are gathered
Rotary speed information is sent to torque controlling unit 7 to monitor the engagement state of wet clutch 104 in real time, so as to ensure gearshift can
By property；Torque controlling unit 7 is according to the first motor 16 and the rotary speed information of the second motor 13 simultaneously, and combines planet
The current shift information of train 100, need the moment of torsion that exports to carry out comprehensive descision bi-motor, by demand torque order send to
Integrated motor control unit 14, and then control the output torque of bi-motor.
Bi-motor single planetary bevel gear system's driving structure of the present invention is compared with existing single motor adds two grades of AMT driving structures
Technical characterstic is：Exported after carrying out power coupling using bi-motor, the peak power and peak torque of single motor can be reduced,
Bi-motor peak power sum is approximately equal to motor peak power during corresponding single motor driving, bi-motor peak torque sum
It is approximately equal to motor peak torque during corresponding single motor driving.The present invention can realize following five kinds of drive forms, i.e.,：The
The large speed ratio of one motor 16 is operated alone, the small speed of first motor 16 than being operated alone, the second motor 13
It is operated alone, the small speed of large speed ratio coupling driving and bi-motor of bi-motor compares coupling driving.Due to two motor its peak works
The reduction of rate and peak torque so that the volume and quality of motor decrease, consequently facilitating arrangement is more reasonable.From
And realize following technique effect：On the one hand, the peak power of two motors and moment of torsion are all greatly reduced, and volume and quality are also significantly
Reduce, be easy to arrangement；On the other hand, by choosing suitable Transmission Ratio of Planetary Gear Trains k, can be closed according to different driving cycles
The operating point position of reason two motors of configuration, makes bi-motor be operated in high efficient district as far as possible, so as to further improve pure electric automobile
Economy, and further reduce vehicle energy consumption.
The wet clutch refers to the clutch cooled down with fluid, and its cooling oil does not shield to friction plate, and
Transmit power smooth soft, its advantage is service life length.It is used in automatic transmission, the hand such as generally used now is certainly
Integrated speed changer.Compressing multiple steel discs and friction plate by the effect of hydraulic cylinder combines clutch, then in spring after oil return
Separate steel disc and friction plate in the presence of power.
The hall-effect speed sensor is made of using Hall effect principle, and Hall effect refers to partly lead in a rectangle
There is an electric current on body thin slice by now also being acted on the semi-conducting material if any a magnetic field, then perpendicular to the sense of current
Semiconductor both ends can produce the voltage of a very little, the voltage is known as Hall voltage.When sensor made of magnetic material
Double wedge on rotor alternately across permanent magnet space when, the magnetic fields for just having a change (are partly led in Hall element
Body material) on, Hall voltage is produced pulse signal.According to the i.e. detectable rotating speed of caused pulse number.
The Mageneto-sensitive type sensor is will to be measured (such as vibration, displacement, rotating speed) by magnetoelectricity effect to be converted into telecommunications
Number a kind of sensor, it utilizes free electron in semi-conducting material or hole to change its direction of motion this characteristic with magnetic field
And it is made.Wide with measurement range, simple installation, output amplitude is big, and operating temperature range is wide, the advantages that good anti-vibration.
The laser type speed probe is by the laser measurement measured object speed of service and changes into exportable signal
Sensor, it can measure speed, the length of both direction simultaneously, not only can perceive whether measured body stops, and can perceive by
Survey the direction of motion of body.Laser type speed probe can be fixed in practical application on center rest, it is ensured that article for rotation exists
Excessive vibration will not be produced in rotation process, so as to measure the corner and rotating speed that rotate measured body.
The magnetoelectric tachometric transducer is realized using magnetoelectric induction principle and tested the speed, and when gear rotates, passes through sensor
The magnetic line of force of coil changes, and produces periodic voltage in the sensor coil, and its amplitude is relevant with rotating speed, and rotating speed is higher
Output voltage is higher, and output frequency is directly proportional to rotating speed.
The capacitive tachometer transducer includes two kinds of area change type and media variations type.Wherein, area change type
Principle is：Capacitive tachometer transducer is made up of two pieces of fixed metal plates and the movable metallic plate being connected with rotary shaft.Movable gold
Category plate is in the maximum position of capacitance, when rotary shaft rotates 180 ° then in the minimum position of capacitance.The week of capacitance
Phase rate of change is rotating speed.Continuous current excitation, tank ac-excited and that oscillator is formed with variable capacitance etc. can be passed through
Mode obtains the measurement signal of rotating speed.The principle of media variations type is：Embedded one between two fixed plate electrodes of capacitor
The movable platen of block high-k and form.Movable dielectric-slab is connected with rotary shaft, with the rotation of rotary shaft, condenser armature
Between dielectric constant generating period change and cause the cyclically-varying of capacitance, its speed be equal to rotary shaft rotating speed.
The variable reluctance speed probe includes three basic forms of it：Inductance type speed probe, transformer type rotating speed
Sensor and electric vortex type speed probe.Inductance type speed probe application is wider, and it produces sensing using flux change
Potential, its potential size depend on the speed of flux change, and sensors with auxiliary electrode is different by structure and is divided into open-flux path formula and closes magnetic
Two kinds of road formula.Open-flux path formula speed probe is relatively simple for structure, and output signal is smaller, should not make vibrating violent occasion
With.Closed core type speed probe is made up of the external gear in rotating shaft, internal gear, coil and permanent magnet, inside and outside gear
There is the identical number of teeth, when rotating shaft, which is connected to, to be rotated together on measured axis, due to the relative motion of inside and outside gear, produce magnetic resistance
Change, alternating current impression potential is produced in coil, corresponding tachometer value can be measured by measuring the stool and urine of potential.
Claims (10)
1. a kind of bi-motor single planetary bevel gear system electric driver, including the first motor（16）, planetary gear train（100）With second
Motor（13）, planetary gear train（100）Including sun gear（101）, gear ring（102）, planet carrier（103）And epicyclic train shell
Body, the first motor（16）With sun gear（101）It is connected, gear ring（102）It is fixed between the planetary gear train housing to connect
Connect, the second motor（13）With planet carrier（103）It is connected, it is characterised in that also including wet clutch（104）, wet type
Clutch（104）One end and sun gear（101）It is connected, its other end and planet carrier（103）It is connected.
2. bi-motor single planetary bevel gear system electric driver as claimed in claim 1, it is characterised in that the first motor
（16）, planetary gear train（100）With the second motor（13）Between using parallel arrangement structure.
3. bi-motor single planetary bevel gear system electric driver as claimed in claim 1, it is characterised in that including moment of torsion control unit
（7）With integrated motor control unit（14）, the first motor（16）Output end is provided with the first motor speed probe
（15）, the second motor（13）Output end is provided with the second motor speed probe（10）, the first motor rotating speed
Sensor（15）With the second motor speed probe（10）Respectively with moment of torsion control unit（7）It is connected, the first driving electricity
Machine（16）With the second motor（13）Respectively with integrated motor control unit（14）It is connected.
4. bi-motor single planetary bevel gear system electric driver as claimed in claim 3, it is characterised in that including vehicle drive axle
（11）, driving wheel of vehicle（9）And power transmission shaft（12）, the second motor（13）Pass through power transmission shaft（12）With vehicle drive axle（11）
It is connected, vehicle drive axle（11）With driving wheel of vehicle（9）It is connected.
5. bi-motor single planetary bevel gear system electric driver as claimed in claim 3, it is characterised in that including electrokinetic cell（1）
And battery management system（2）, electrokinetic cell（1）Respectively with battery management system（2）With integrated motor control unit（14）It is connected
Connect.
6. bi-motor single planetary bevel gear system electric driver as claimed in claim 5, it is characterised in that including vehicle CAN communication
Network（3）, internal CAN communication network（4）, Meter Control Unit（5）, full-vehicle control unit（6）With the other modules of vehicle（8）,
Vehicle CAN communication network（3）Respectively with battery management system（2）, Meter Control Unit（5）, full-vehicle control unit（6）And vehicle
Other modules（8）It is connected, internal CAN communication network（4）Respectively with integrated motor control unit（14）, full-vehicle control unit
（6）With moment of torsion control unit（7）It is connected.
7. bi-motor single planetary bevel gear system electric driver as claimed in claim 3, it is characterised in that the first motor rotating speed
Sensor（15）With the second motor speed probe（10）Using hall-effect speed sensor.
8. bi-motor single planetary bevel gear system electric driver as claimed in claim 3, it is characterised in that the first motor rotating speed
Sensor（15）With the second motor speed probe（10）Using Mageneto-sensitive type speed probe.
9. bi-motor single planetary bevel gear system electric driver as claimed in claim 3, it is characterised in that the first motor rotating speed
Sensor（15）With the second motor speed probe（10）Using laser type speed probe.
10. bi-motor single planetary bevel gear system electric driver as claimed in claim 3, it is characterised in that the first motor turns
Fast sensor（15）With the second motor speed probe（10）Using magnetoelectric tachometric transducer.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711024843.5A CN107738569A (en) | 2017-10-27 | 2017-10-27 | A kind of bi-motor single planetary bevel gear system electric driver |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711024843.5A CN107738569A (en) | 2017-10-27 | 2017-10-27 | A kind of bi-motor single planetary bevel gear system electric driver |
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| CN107738569A true CN107738569A (en) | 2018-02-27 |
Family
ID=61238322
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| CN201711024843.5A Withdrawn CN107738569A (en) | 2017-10-27 | 2017-10-27 | A kind of bi-motor single planetary bevel gear system electric driver |
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| CN114771279A (en) * | 2022-04-11 | 2022-07-22 | 一汽解放汽车有限公司 | Service life control method and device for commercial vehicle dual-motor drive system and the like |
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