CN110293834A - The dynamic power shift gear box system of hybrid power parallel connection bi-motor - Google Patents

The dynamic power shift gear box system of hybrid power parallel connection bi-motor Download PDF

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Publication number
CN110293834A
CN110293834A CN201910623249.0A CN201910623249A CN110293834A CN 110293834 A CN110293834 A CN 110293834A CN 201910623249 A CN201910623249 A CN 201910623249A CN 110293834 A CN110293834 A CN 110293834A
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CN
China
Prior art keywords
power
motor
shaft
gear box
shift
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CN201910623249.0A
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Chinese (zh)
Inventor
杨振忠
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Guangxi Yuchai Machinery Co Ltd
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Guangxi Yuchai Machinery Co Ltd
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Priority to CN201910623249.0A priority Critical patent/CN110293834A/en
Publication of CN110293834A publication Critical patent/CN110293834A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT 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
    • B60K6/00Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/22Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
    • B60K6/26Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the motors or the generators
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT 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
    • B60K6/00Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/22Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
    • B60K6/36Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT 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
    • B60K6/00Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/22Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
    • B60K6/40Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the assembly or relative disposition of components
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT 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
    • B60K6/00Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/50Architecture of the driveline characterised by arrangement or kind of transmission units
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT 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
    • B60K6/00Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/50Architecture of the driveline characterised by arrangement or kind of transmission units
    • B60K6/54Transmission for changing ratio
    • B60K6/547Transmission for changing ratio the transmission being a stepped gearing

Abstract

The invention discloses a kind of dynamic power shift gear box systems of hybrid power parallel connection bi-motor, it is connected by the power output end of main clutch and internal combustion engine, and dynamic power shift gear box system includes clutch output shaft, first motor, the first power shaft, first motor transmission group, gear group, the second motor, the second power shaft, power shifting transmission group, automatic shifting performer, transmission input shaft, output shaft of gear-box, power shifting clutch, electrical power conversion module and battery.The electrical power of battery passes to the second motor by electrical power conversion module, central transmission input shaft and central transmission group are passed to by the second power shaft, power shifting transmission group again after the second motor is converted into mechanical output, driving wheel is finally arrived at, to form the shift power transfer route of the second motor.It can be realized starting or acceleration power-assisted isotype that vehicle is uninterruptedly shifted gears from zero to the power of maximum drawbar pull, and is able to achieve under hybrid mode whereby.

Description

The dynamic power shift gear box system of hybrid power parallel connection bi-motor
Technical field
Power cannot be interrupted when the present invention relates to the road vehicles such as passenger car, commercial vehicle field and needing towage Off roader field, especially with regard to a kind of dynamic power shift gear box system of hybrid power parallel connection bi-motor.
Background technique
Existing vehicle drive system is divided into manual transmission, the uninterrupted automatic gear-box of power, hydraulic press by gear shift mode Tool stepless speed changing case (HMCVT).
1. the uninterrupted automatic gear-box of vehicle power
Refer to vehicle driving shift speed change during, internal combustion engine to driving wheel power it is unbroken under the conditions of, the shift of completion Process;Knot is passed through when required gear converts as gear using multi-disc wet clutch, brake, multiple rows of planetary mechanism Splitting or integrating realizes the uninterrupted gear shift of power in vehicle load traveling, solves manual change from, the different planet row component of braking When fast casing working the problem of parking shift, reduces employee's operation intensity, improves manipulation comfort and operating efficiency.Power is not Interruption fluid drive gearbox internal-combustion engine rotational speed is directly related with car speed, and changes in vehicle speed causes internal-combustion engine rotational speed to change Range is big, and internal combustion engine cannot work in the range of speeds stabilized the economy at one, and IC engine oil consumption is high, discharge is poor, vibration abrasion Greatly.Meanwhile some vehicles due to job requirements it is more, numbers of gear steps is more, the clutch quantity and ratio that this kind of gearbox designs need There are many example valve, and due to consistency, the gearshift performance of the type gearbox, which need to raise test-object in dedicated delivery test platform, to be determined, with Using the time growth, clutch abrasion increase, shift control the time changed, ride comfort be deteriorated, generate shift punching It hits.Currently, import is grasped and relied primarily on to the technology of these systems by offshore company substantially, gearbox designs complexity, price High, price reduction hardly possible, maintenance cost are high.
2. hydraulic machinery infinitely variable transmission (HMCVT)
The gearbox is made of hydraulic plunger pump/motor/multiple rows of planetary mechanism/wet clutch and brake, main Wanting advantage is: by planet row to internal combustion engine power dividing at two power routes, one is mechanical output route, and power is direct It is transmitted to transmission input shaft;One is hydraulic power route, after machine-liquid-machine power conversion process, with transmission input shaft Realize the confluence of whole power;By power dividing, confluence principle, realize gearbox torque, revolving speed according to car speed with lead Gravitation requires automatically continuously variation, guarantees the tractive force and rate request when vehicle speed variation.
The gearbox (HMCVT) realizes the stepless automatic variation of vehicle gear box, and employee's manipulation strength is low, operating comfort Good, operating efficiency, quality are high;Since internal-combustion engine rotational speed, torque are full decoupled (uncorrelated) to vehicle speed, tractive force, internal combustion Machine can be stable work in low oil consumption region, shake it is small, discharge.
High pressure Variable plunger pump/motor, proportioning valve used by the gearbox (HMCVT) etc. belongs to precise hydraulic couple, It is very high to assembling clean degree, being required using cleannes, maintenance cleannes, need specific hydraulic fluid, use and maintenance cost It is high;The system speed-variable case realizes that the region of 4-6 gear becomes using multiple rows of planetary mechanism and wet clutch or brake It changes, the systematic part quantity is more, and structure is complicated, and system core technology is grasped by offshore company substantially, and product relies primarily on import, The gearbox is at high cost, price reduction is difficult.Due to price and working service, the system is considerably less in Chinese market usage amount.
The above-mentioned prior art has the disadvantage in that and the application motion technical problems to be solved
1. the uninterrupted fluid drive gearbox of power realizes not parking gear shift in vehicle load traveling, improves vehicle Operating efficiency and manipulation comfort;Its disadvantage are as follows:
(1) the gearbox internal-combustion engine rotational speed is directly related with car speed, and changes in vehicle speed causes internal-combustion engine rotational speed to become Change range is big, and internal combustion engine cannot work in the range of speeds stabilized the economy at one, and oil consumption is high, discharge is poor, vibration is worn greatly.
(2) there are many clutch quantity and proportioning valve quantity that the gearbox designs need, with the increase of use time, from Clutch abrasion increases, and the speed Control time is changed, and ride comfort is deteriorated, and generates shift shock.
(3) traditional power manual transmission system is single power route step type transmission, realizes that super creeper gear is (ultralow Speed), to add many complicated deceleration trains.Also, it can not achieve stepless transmission when key operation, that is, theoretically cannot It is matched to and the optimal travel speed of work tool
(4) currently, import is grasped and relied primarily on to the technology of these systems by offshore company substantially, the gearbox price High, price reduction hardly possible, maintenance cost are high.
2. hydraulic machinery stepless speed changing case (HMCVT) realizes the universe variable speed system being made of 4-6 shelves System, operating efficiency is high, and manipulation comfort is good, and internal combustion engine output is decoupled with vehicle load, speed, and internal combustion engine even running is in low oil Between consumption, Low Emission Zone;Its disadvantage are as follows:
(1) mechanical variable speed system of 4-6 gear composition is by multiple rows of planetary mechanism and 4-6 wet clutch or braking The gear that device is constituted, structure is complicated, and parts machining is with high requirements and high cost.
(2) the hydraulic power separate system being made of hydraulic precision pair, degree clean to assembly use cleannes, maintenance It is very high to safeguard that cleannes require, needs specific hydraulic fluid, use and maintenance cost is high.
(3) since the technology of these systems is grasped by offshore company substantially, product relies primarily on import, and cost is very high, drops Valence is difficult.
Above-mentioned conventional gearbox only has an internal combustion engine list power route, to pursue starting acceleration performance, needs using big Displacement internal combustion engine, purchase cost increases and operation is less economical.
The information disclosed in the background technology section is intended only to increase the understanding to general background of the invention, without answering When being considered as recognizing or imply that the information constitutes the prior art already known to those of ordinary skill in the art in any form.
Summary of the invention
The purpose of the present invention is to provide a kind of dynamic power shift gear box systems of hybrid power parallel connection bi-motor, can It realizes that power of the vehicle from zero to maximum drawbar pull operating condition when is uninterruptedly shifted gears, and realizes and start to walk or add under hybrid mode Fast assistant mode, pure motor driving mode, the energy recuperation mode of idling, travelling brake, down hill braking etc..
To achieve the above object, the present invention provides a kind of dynamic power shift gear box systems of hybrid power parallel connection bi-motor System is connected by the power output end of main clutch and internal combustion engine, dynamic power shift gear box system include clutch output shaft, First motor, the first power shaft, first motor transmission group, gear group, the second motor, the second power shaft, power shifting pass Dynamic group, automatic shifting performer, transmission input shaft, output shaft of gear-box, power shifting clutch, electrical power conversion module with And battery.The electrical power of battery passes to the second motor by electrical power conversion module, is converted into machinery through the second motor Central transmission input shaft and central transmission group are passed to by the second power shaft, power shifting transmission group again after power, finally supported Up to driving wheel, to form the shift power transfer route of the second motor.
In a preferred embodiment, it is separated by main clutch, so that internal combustion engine is in idle mode, then pass through storage Battery and electrical power conversion module control first motor adjust power, and the adjustment power of first motor is driven by first motor Group, the first transmission gear adjust the revolving speed of transmission input shaft to meet the requirement of shift revolving speed, are finally executed by self shifter Device control shift, to form the shift speed regulation power route of first motor.
In a preferred embodiment, the first transmission gear with transmission input shaft is concentric connect.
In a preferred embodiment, the stator of first motor and the second motor is commonly mounted on motor stator common enclosure In body.
In a preferred embodiment, internal combustion engine passes through main clutch, clutch output shaft, transmission input shaft, the One motor drive group and the first power axial direction first motor, which provide power, makes its power generation;First motor passes through electrical power modulus of conversion Block provides electric energy to the second motor and battery.
In a preferred embodiment, first motor and the second motor parallel arrangement;Clutch output shaft and gearbox Input shaft connects with one heart;First motor with the first power shaft is concentric connect;Second motor with the second power shaft is concentric connect;First Power shaft, the second power shaft and three axis of clutch output shaft are arranged parallel.
In a preferred embodiment, internal combustion engine passes through main clutch, clutch output shaft, transmission input shaft, change Fast transmission group, output shaft of gear-box, central transmission input axial central transmission group output power.
In a preferred embodiment, first motor and the second motor all have independent motor stator casing.
In a preferred embodiment, the dynamic power shift gear box system of hybrid power parallel connection bi-motor further includes speed change Tank shell is used to install first motor transmission group, gear group, power shifting transmission group and power shifting clutch.
In a preferred embodiment, central transmission group is installed in rear axle housing body, and the receiving of central transmission group comes from Entreat the power of transmission input shaft.
Compared with prior art, the dynamic power shift gear box system of hybrid power parallel connection bi-motor of the invention has following The utility model has the advantages that can be realized the uninterrupted fluid drive of power, devises motor power (output) and independently shift gears route, the motor power (output) Transfer route is not overlapped with gearbox power transmission route, when full tractive load is shifted gears, passes through motor and independent shift route The power of former gearbox route transmitting is born, another motor adjusts transmission input shaft synchronous rotational speed, shift actuator Synchronizer realization is pushed to pluck gear, neutral gear, process of putting into gear.The shift principle realizes fixed axle gearbox universe power uninterruptedly certainly Move gear;Also stepless speed variator system may be implemented and add a gear auto-changing for gear stabilized shaft gearbox, realize that universe is stepless Speed changing function.By motor and electrical power module, the hybrid power operating condition of vehicle is realized;Idling, travelling brake, lower long slope When braking, motor is in generating state and collects energy stores to battery.When starting and acceleration, the power of battery can be transferred to two Motor, a motor are superimposed with power of IC engine and are output to transmission input shaft, another motor can use independent shift Route directly drives central transmission input shaft, booster vehicle starting or acceleration;It is very suitable to military off-road vehicle, loading machine, drags The needs such as machine drawing are started to walk greatly the vehicle application field of torque.Can also separate electrical motor driving, realize pure electric driving cycle.Gearbox energy Enough as the variation of vehicle load, adjust automatically gearbox speed ratio significantly reduce the labor intensity of employee, operation effect is improved Rate and quality.Simultaneously as motor fast response time, speed ratio adjustment ride comfort is excellent, and speed ratio adjustment time is short, can be transported with power-assisted Turn, stabilizes internal combustion engine region, reduce the total oil consumption of internal combustion engine in operation, emission level;Overall operation efficiency is higher than hand Dynamic manual transmission.By independent motor shift route route, vehicle variable speed traveling may be implemented and independently of internal combustion Machine revolving speed realizes travel speed and work tool requirement to the equipment for carrying out operation by internal combustion engine moving power output shaft power The optimal match point of revolving speed improves operating efficiency, reduces oil consumption, discharge.Existing gearbox, without independent electric-motor drive road Line can not achieve independent variable speed walking function.Using bi-motor structure, is independently shifted gears route by motor, realize 0- The Ultra-Low Speed driving functions of 0.1km/h;Meet the various job requirements of off roader.Conventional gearbox, without independent electronic Machine drive path, therefore realize Ultra-Low Speed operation, complicated deceleration link is needed, drive mechanism is complicated, and low efficiency is at high cost. It does not need to be arranged in gearbox and reverse gear, reverse rotation and independent shift route by motor realize 0-Vmax km/h's Any stepless retrograde speed, meets the various job requirements of vehicle.The chief components of this programme, high speed permanent magnet synchronous electric Machine and electric machine controller, the technologies such as high power discharge battery and product, local manufacturer grasp and are mass produced completely, local Purchase channel is broad;Due to the high reliability and low cost of motor controller, the manufacture of this gearbox, working service cost phase It is greatly reduced than conventional automatic gearbox.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of dynamic power shift gear box system according to an embodiment of the present invention.
Fig. 2 is the structural schematic diagram of the dynamic power shift gear box system of another embodiment according to the present invention.
Fig. 3 is the schematic block of the electrical power conversion module of dynamic power shift gear box system according to an embodiment of the present invention Figure.
Main appended drawing reference explanation:
1- internal combustion engine, 2- main clutch, 3- clutch output shaft, 4- first motor, the first power shaft of 5-, 6- gearbox are defeated Enter axis, the first transmission gear of 7-, 8- first motor transmission group, 9- gear group, 10- output shaft of gear-box, 11- power shifting Transmission group, 12- power shifting driven gear, 13- central transmission input shaft, 14- central transmission group, 15- rear axle housing body, 16- are dynamic Power shift power route, 17- gear box casing, 18- power shifting clutch, the second power shaft of 19-, the second motor of 20-, 21- Motor stator shares shell.
Specific embodiment
With reference to the accompanying drawing, specific embodiments of the present invention will be described in detail, it is to be understood that guarantor of the invention Shield range is not limited by the specific implementation.
Unless otherwise explicitly stated, otherwise in entire disclosure and claims, term " includes " or its change Changing such as "comprising" or " including " etc. will be understood to comprise stated element or component, and not exclude other members Part or other component parts.
As shown in Figure 1, Fig. 1 is the structural schematic diagram of dynamic power shift gear box system according to an embodiment of the present invention. The dynamic power shift gear box system of hybrid power parallel connection bi-motor according to the preferred embodiment of the present invention, passes through main clutch It is connect with the power output end of internal combustion engine, dynamic power shift gear box system mainly includes clutch output shaft, first motor, first Power shaft, first motor transmission group, gear group, the second motor, the second power shaft, power shifting transmission group, self shifter Actuator, transmission input shaft, output shaft of gear-box, power shifting clutch, electrical power conversion module and battery.First Motor and the second motor parallel arrangement;Clutch output shaft with transmission input shaft is concentric connect;First motor and the first power Axis connects with one heart;Second motor with the second power shaft is concentric connect;First power shaft, the second power shaft and clutch output shaft Three axis are arranged parallel.The stator of first motor and the second motor is commonly mounted on motor stator and shares in shell.
Referring to Fig. 1, in some embodiments, internal combustion engine passes through main clutch, clutch output shaft, gearbox input Axis, first motor transmission group and the first power axial direction first motor, which provide power, makes its power generation;First motor passes through electrical power Conversion module provides electric energy to the second motor and battery.
Referring to Fig. 1, in some embodiments, the power output system of internal combustion engine is that internal combustion engine 1 passes through main clutch 2, clutch output shaft 3, transmission input shaft 6, gear group 9, central transmission input shaft 13 and central transmission group 14 are given Driving wheel output power.
Referring to Fig. 1, in some embodiments, gear group 9 mainly includes Series Gear, axis, bearing, synchronizer Or planetary mechanism forms speed-regulating system, purposes be to change speed between transmission input shaft 6 and output shaft of gear-box 10, torsion Square relationship.
First motor 4 is mainly used for collecting idling, deceleration, braking power, output shift speed regulation power, and starting accelerates to help Activity of force.
First motor transmission group 8 mainly includes that clutch, multiple groups gear, axis etc. form fixed speed ratio system;First transmission Gear 7 and 6 fixed connection of transmission input shaft are mainly used for through first motor transmission group 8, the first power shaft 5 to first Motor 4 inputs the mechanical output from internal combustion engine 1 for generating electricity;Or output passes through electrical power conversion module, the from battery One power shaft 5 controls the revolving speed of transmission input shaft 6 to the speed regulation power of first motor 4 to meet the speed demand of shift.
Second motor 20 is coupled by the second power shaft 19 with power shifting transmission group 11, vehicle driving function when output is shifted gears Rate and creep, start to walk accelerating power.
Power shifting transmission group 11 mainly includes the fixed reduction train of the compositions such as power shifting clutch 18, multiple groups gear, axis System when shift, receives the power of the second motor 20 input, by the combination of power shifting clutch 18, by power shifting function Rate route 16, the power that vehicle needs when transmitting is shifted gears to power shifting driven gear 12, power shifting driven gear 12 are being tied It is coupled on structure or with output shaft of gear-box 10, or is coupled with central transmission input shaft 13, eventually by central transmission input shaft 13 Output power is to driving wheel.
Referring to Fig. 1, in some embodiments, the dynamic power shift gear box system of hybrid power parallel connection bi-motor has Advance road horsepower output mode.
Under advance driving mode, power → clutch output shaft 3 → transmission input shaft, 6 → gear of internal combustion engine 1 Group 9 → after the speed change of each gear becomes and turns round → 10 → central transmission of output shaft of gear-box input shaft 13 → again through end deceleration transmission (not shown) passes to the driving wheel of vehicle drive.
Under advance driving mode, first motor 4 is according to battery SOC (state-of-charge) and electrical signal at this time, into hair Electricity condition.3 → the first transmission gear 7 → the first of power → clutch output shaft of generating state power route for example internal combustion engine 1 The clutch combination of motor drive group 8 → generate electricity via first 5 → first motor of power shaft 4, the electrical power of first motor 4 It is charged by electrical power conversion module to battery;Under no-load operation, the clutch of first motor transmission group 8 unclamps, hair Electrical power route disconnects, and first motor 4 stalls.
Referring to Fig. 1, in some embodiments, the dynamic power shift gear box system of hybrid power parallel connection bi-motor has Shift mode:
This programme is equipped with entire car controller (VCU is not painted) and powertrain controllers (TCU is not painted), when internal combustion engine 1 When rotation speed change exceeds a certain range, entire car controller issues shift command signal, and first motor 4 and the second motor 20, which enter, to be changed Gear pattern is described in detail below:
After shifting commands signal issues, battery power → electrical power conversion module → 20 → the second power shaft of the second motor 19 → power shifting clutch, 18 combinations → power shifting power route 16 → power shifting, 12 → central transmission of driven gear is defeated Enter axis 13 → through final drive and is transmitted to driving wheel.
The shift route of second motor 20 is independently of the power route of gearbox transmission route;At this point, the second motor 20 Whole power on shift moment central transmission input shaft 13 are carried, vehicle continues power at the shift moment and uninterruptedly travels.
When shifting commands issue, main clutch 2 is separated, and internal combustion engine 1 is transferred to no-load speed tracking mode;First motor 4 Adjust the speed the revolving speed of 8 → the first transmission gear 7 → adjustment transmission input shaft 6 of power → first motor transmission group;Gearbox input The revolving speed of axis 6 meets synchronizer when plucking gear and requiring, and gear instruction is plucked in powertrain controllers (TCU) sending, and automatic shifting performer is held Row plucks gear.When putting into gear, first motor 4 is required according to the revolving speed and target gear gear synchronous revolving speed of central transmission input shaft 13, The revolving speed of adjustment transmission input shaft 6 meets the synchronous rotational speed of target gear, and powertrain controllers (TCU) issue instruction of putting into gear, Automatic shifting performer execution is put into gear.
Referring to Fig. 1, in some embodiments, the dynamic power shift gear box system of hybrid power parallel connection bi-motor has Starting power-assisted/acceleration mode under vehicle hybrid mode:
When vehicle start/acceleration, gearbox is under hybrid power input pattern, mechanical output → master of internal combustion engine 1 A certain off speed → 10 → central transmission of output shaft of gear-box of clutch 2 → transmission input shaft, 6 → gearbox transmission group 9 is defeated Enter axis 13.
It is in specified between peak power state, power-assisted watt level when the second 20 power-assisted of motor, depends on manipulator Accelerator open degree section;The power of battery → 20 → the second function of electrical power conversion module (as shown in Figure 3) → second motor at this time Rate axis 19 → power shifting clutch 18 → power shifting power 16 → power shifting of route driven gear 12 → arrive central transmission Input shaft 13.
Under conditions of needing, first motor 4 can export power-assisted power, and details are as follows: power → electricity of battery at this time The clutch combination of power conversion module → first motor 4 (being switched to electric motor mode at this time) → first motor transmission group 8 → First 7 → transmission input shaft of transmission gear 6, the power flow concentration being passed to internal combustion engine 1 is at transmission input shaft 6.
Under the power-assisted/acceleration mode that starts to walk, central transmission input shaft 13 is incorporated with 3 power sources;One is 1 function of internal combustion engine Rate;Article 2 is 4 power of first motor;Article 3 is the power of the second motor 20, and three power source confluence combined powers are in Transmission input shaft 13 is entreated, is driven by vehicle end and reaches driving wheel.
Wherein the peak power of the second motor of motor is substantially equal to internal combustion engine rated power, in addition what first motor 4 inputted Power, starting accelerating power can reach 2-2.5 times of internal combustion engine rated power, greatly reduce to internal combustion engine low speed starting ability It is required that reducing vehicle accelerates starting distance, reduces IC engine oil consumption and discharge, meet off roader several work work The requirement of condition.
Referring to Fig. 1, in some embodiments, the dynamic power shift gear box system of hybrid power parallel connection bi-motor has It creeps and jogging speed work pattern:
It is creeping under jogging speed work pattern, the second motor 20 passes through the transmitting walking function of power shifting transmission group 11 Rate, route are as follows: 4 power generations of first motor → electrical power conversion module → second motor, 20 → the second 19 → power shifting of power shaft 18 combinations of clutch → power shifting 11 → central transmission of transmission group input shaft 13 → through final drive to driving wheel.
Under the mode, since the revolving speed of the second motor 20, torque stepless can change, vehicle 0- can be steadily realized Vehicle also may be implemented from zero to variable speed (CVT) Working mould in certain vehicle speed range in the super creep speed of 0.1km/h Formula;Requirement when greatly having adapted to vehicle outfitting tool operation to Vehicle Speed, improves operating efficiency and manipulation is relaxed Adaptive.
Referring to Fig. 1, in some embodiments, the dynamic power shift gear box system of hybrid power parallel connection bi-motor has Reverse mode:
Under reverse mode, transmission neutral, electric machine controller (is included in electrical power conversion module) the reversed electricity of input Pressure, electric current, the second motor 20 export backward power → second power shaft 19 → power shifting, 11 → central transmission of transmission group input Axis 13 → through final drive to driving wheel;Under the mode, changes in vehicle speed is under the mode of variable speed (CVT).
Referring to Fig. 1, in some embodiments, the dynamic power shift gear box system of hybrid power parallel connection bi-motor has Electric power output mode:
This programme is equipped with high-power generator, battery and power output module, passes through power output module, Ke Yixiang It is outer that the DC/AC power supply of standard stabiliser is provided, greatly extend the use scope of vehicle.
As shown in Fig. 2, Fig. 2 is the structural representation of the dynamic power shift gear box system of another embodiment according to the present invention Figure.In some embodiments, first motor 4 and the second motor 20 are the parallel-connection structures of two individual motors, that is to say, that two A motor has independent stator case, and it is convenient that the technical solution of Fig. 2 is arranged, but occupied space is big.And the technical solution of Fig. 1 is First motor 4 and 20 bi-motor of the second motor share stator case structure, and the stator of bi-motor is mounted on the motor of an entirety Stator shares in shell 21, and the stator axle center of first motor 4 and the second motor 20 is distributed parallelly on the two of clutch output shaft 3 Side, clutch output shaft 3 pass through the central space that motor stator shares shell 21, are coupled with transmission input shaft 6.
As shown in figure 3, Fig. 3 is the electrical power modulus of conversion of dynamic power shift gear box system according to an embodiment of the present invention The schematic block diagram of block.The main function of power conversion module is as follows:
Under non-shift operating condition, entire car controller (VCU) issues charging instruction according to the charge level signal of energy storage device, The generated output of first motor 4 enters battery;When the charge values of battery SOC meet the requirements, in first motor transmission group 8 from Clutch separation, the unloading stalling of first motor 4, the second motor 20 is unloaded at this time is in zero-turn quick-mounting state.
Under Power Recovery mode, 4/ second motor 20 of first motor is according to programming, when collecting vehicle idling, braking Energy, storage arrive battery, achieve the purpose that energy regenerating utilizes.
Under shift mode, energy storage device (battery) provides short-term power to 4/ second motor 20 of first motor, and realization is changed Keep off function;Under CVT and creep speed mode, first motor 4 generates electricity, and provides electric energy to the second motor 20, the second motor 20 passes through Independent shift power route, realizes satisfactory travel speed.Under reversing mode, first motor 4 generates electricity, the second motor 20 Input voltage, the electric current that controller (is included in electrical power conversion module) the second motor 20 of control are reversed, and the second motor 20 produces Raw backward power drives vehicle to drive in the wrong direction.Under power-assisted acceleration mode, energy storage device (battery) is to 4/ second motor 20 of first motor It provides electrical power (if necessary), first motor 4 is converged by transmission input shaft 6 and the mechanical output of internal combustion engine 1, is output to Central transmission input shaft 13, the second motor 20 pass through independent shift power route output power to central transmission input shaft 13 Place, realizes power flow concentration, and booster vehicle starting accelerates.
In conclusion the dynamic power shift gear box system of hybrid power parallel connection bi-motor of the invention has the advantage that
1. the advantage of energy conservation:
This programme belongs to parallel hybrid power scheme configuration, and bi-motor can require to collect idling, braking work according to control Rate storage is used to energy storage device for various hybrid power operating conditions;This programme can be used for city passenger car, commercial vehicle, be more suitable for Need to play the shift driving cycle of the road or off roader of tractive force under the conditions of power is uninterrupted.
2. integrated form bi-motor advantage:
This programme dual motors system, using the shared stator overall housing structure of parallel connection, shared stator case can reduce biography Moving is axial space, overall housing structure front end and internal combustion engine flywheel shell rigid connection, rear end and gear box casing rigid connection, It can be used as bearing-type powertrain arrangement;Common motor cooling water/oil duct shares power cable space, motor integration degree Height reduces the motor total volume under Same Efficieney, reduces the axial space of power train to the greatest extent.
The route advantage 3. motor power (output) is independently shifted gears:
3.1 costs and the simple advantage of structure:
This programme utilize bi-motor and independent power transfer route, realize power it is uninterrupted under the conditions of gearbox it is automatic Shift;It is combined due to using fixed axis gear gearbox with independently shift route, being different from traditional power manual transmission must Wet clutch, the brake, planet row group that must be used;It is wet clutch required for traditional power manual transmission, hydraulic Proportioning valve, the half of substantially whole gears, such as: 16 grades of gearboxes of vehicle need 8 hydraulic wet clutches, at least eight Hydraulic proportion valve;This programme only uses two motors and 1 clutch, and the fluid drive of any numbers of gear steps theoretically may be implemented System.Due to substantially reducing the usage amount of clutch and proportioning valve, the amount of parts under same gear is greatly reduced, drops Low manufacturing cost;The DESIGN RELIABILITY for improving product reduces the use and maintenance cost of product.
The quick advantage of 3.2 smooth gear shiftings:
Bi-motor independent power route structure, the advantages of having given full play to motor, powershift is fast when shift, and speed regulation is quasi- Really, smooth gear shifting is excellent;Combined compared to traditional power shift by two clutches -- in the way of separation shift, this programme power Lose small, calorific value is small, part long service life.
4. the advantages of two motor power-assisted of hybrid power starts to walk/accelerates:
This programme utilizes the independent drive path of bi-motor, and having played motor peak power is rated power 2 times or more Feature, design power battery and power circuit guarantee that the short-term release of two motor peak powers is adopted under starting/acceleration mode With hybrid mode, increases 2-2.5 times of complete machine power, greatly reduce starting/accelerator.Reduce IC engine oil consumption with Discharge, meets the requirement of off roader several work operating condition.
5. under the driving power of part the advantages of universe CVT:
This programme independently is shifted gears route using power of motor, at this point, internal combustion engine major part power output is to matching equipment, portion Divide power output to generate electricity to first motor, is conveyed to the second motor, is switched to the only of the second motor by the power of gearbox Vertical drive path, gearbox are in neutral gear dress state;Vehicle to run speed is realized independently of internal-combustion engine rotational speed, thus with driven Equipment searches out best travel speed match point, improves operating efficiency, reduces oil consumption, discharge.
6. ultralow creep speed function:
Due to the low speed high torque characteristic of permanent magnet AC motor, this programme may be implemented Ultra-Low Speed and creep function, in 0- Steady operation within the scope of the travel speed of 0.1km/h, and by the internal combustion engine moving power output shaft (not shown) output overwhelming majority Combustion engine power, for special operations such as trench diggings.Traditional power manual transmission reaches the creep speed 0-0.1km/h of this programme, Too many levels large scale deceleration mechanism is needed, structure is extremely complex, and it is big to occupy system space.
7. stepless (CVT) gear reversing function:
This programme does not need that reverse gear mechanism is arranged in gearbox, reverse rotation and independent power by the second motor Drive path, gearbox may be implemented 0-Vmax km/h's under neutral mode (or clutch separation state gearbox is in shelves) Retrograde speed, meets the various job requirements of vehicle.Traditional power manual transmission needs to install drive in the wrong direction mechanism and wet clutch additional, Structure is complicated, and it is big to occupy system space.
8., by normalised power output module, big function may be implemented since this programme has high-power generator The power output of rate provides wide selection to vehicle operation equipment electrification.
9. this programme chief components, heavy-duty motor and electric machine controller, the technologies such as high power discharge battery with Product, local manufacturer grasp and are mass produced completely, and localized procurement channel is broad.It is highly reliable due to motor controller Property and low cost, the manufacture of this power train, working service cost be lower than the self shifter system of conventional hydraulic wet clutch composition System.
The aforementioned description to specific exemplary embodiment of the invention is in order to illustrate and illustration purpose.These descriptions It is not wishing to limit the invention to disclosed precise forms, and it will be apparent that according to the above instruction, can much be changed And variation.The purpose of selecting and describing the exemplary embodiment is that explaining specific principle of the invention and its actually answering With so that those skilled in the art can be realized and utilize a variety of different exemplary implementation schemes of the invention and Various chooses and changes.The scope of the present invention is intended to be limited by claims and its equivalents.

Claims (10)

1. a kind of dynamic power shift gear box system of hybrid power parallel connection bi-motor passes through the power of main clutch and internal combustion engine Output end connection, which is characterized in that the dynamic power shift gear box system includes clutch output shaft, first motor, the first function Rate axis, first motor transmission group, gear group, the second motor, the second power shaft, power shifting transmission group, self shifter are held Row device, transmission input shaft, output shaft of gear-box, power shifting clutch, electrical power conversion module and battery;
The electrical power of the battery passes to second motor by the electrical power conversion module, through second motor Be converted into after mechanical output again by second power shaft, the power shifting transmission group pass to central transmission input shaft and Central transmission group, finally arrives at driving wheel, to form the shift power transfer route of second motor.
2. the dynamic power shift gear box system of hybrid power parallel connection bi-motor as described in claim 1, which is characterized in that pass through The main clutch separation, makes the internal combustion engine be in idle mode, is then converted by the battery and the electrical power Module controls the first motor and adjusts power, and the adjustment power of the first motor passes through the first motor transmission group, the One transmission gear adjusts the revolving speed of the transmission input shaft to meet the requirement of shift revolving speed, is finally held by the self shifter Row device control shift, to form the shift speed regulation power route of the first motor.
3. the dynamic power shift gear box system of hybrid power parallel connection bi-motor as claimed in claim 2, which is characterized in that described First transmission gear with the transmission input shaft is concentric connect.
4. the dynamic power shift gear box system of hybrid power parallel connection bi-motor as described in claim 1, which is characterized in that described The stator of first motor and second motor is commonly mounted on motor stator and shares in shell.
5. the dynamic power shift gear box system of hybrid power parallel connection bi-motor as claimed in claim 4, which is characterized in that described Internal combustion engine by the main clutch, the clutch output shaft, the transmission input shaft, the first motor transmission group with And axially the first motor offer power makes its power generation to first power;The first motor is converted by the electrical power Module provides electric energy to second motor and the battery.
6. the dynamic power shift gear box system of hybrid power parallel connection bi-motor as described in claim 1, which is characterized in that described First motor and second motor parallel arrangement;The clutch output shaft with the transmission input shaft is concentric connect;Institute State first motor with first power shaft is concentric connect;Second motor with second power shaft is concentric connect;It is described First power shaft, second power shaft and three axis of the clutch output shaft are arranged parallel.
7. the dynamic power shift gear box system of hybrid power parallel connection bi-motor as described in claim 1, which is characterized in that described Internal combustion engine passes through the main clutch, clutch output shaft, the transmission input shaft, the gear group, described Output shaft of gear-box, central transmission input axial central transmission group output power.
8. the dynamic power shift gear box system of hybrid power parallel connection bi-motor as described in claim 1, which is characterized in that described First motor and second motor all have independent motor stator casing.
9. the dynamic power shift gear box system of hybrid power parallel connection bi-motor as described in claim 1, which is characterized in that also wrap Include gear box casing, be used to install the first motor transmission group, the gear group, the power shifting transmission group with And the power shifting clutch.
10. the dynamic power shift gear box system of hybrid power parallel connection bi-motor as claimed in claim 9, which is characterized in that institute It states central transmission group to be installed in rear axle housing body, the central transmission group receives the power from the central transmission input shaft.
CN201910623249.0A 2019-07-11 2019-07-11 The dynamic power shift gear box system of hybrid power parallel connection bi-motor Pending CN110293834A (en)

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