CN103072472B - Multi-mode dual-motor drive system and type of drive thereof - Google Patents

Multi-mode dual-motor drive system and type of drive thereof Download PDF

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Publication number
CN103072472B
CN103072472B CN201210520862.8A CN201210520862A CN103072472B CN 103072472 B CN103072472 B CN 103072472B CN 201210520862 A CN201210520862 A CN 201210520862A CN 103072472 B CN103072472 B CN 103072472B
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Prior art keywords
gear
grades
motor
change speed
clusters
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CN201210520862.8A
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CN103072472A (en
Inventor
张农
朱波
方煜宏
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Changzhou wisdom Auto Parts Technology Co., Ltd.
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Changzhou Wan'an Automobile Parts Technology Co Ltd
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H3/00Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/02Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
    • F16H3/08Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
    • F16H3/087Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears
    • F16H3/089Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears all of the meshing gears being supported by a pair of parallel shafts, one being the input shaft and the other the output shaft, there being no countershaft involved
    • 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
    • B60K1/00Arrangement or mounting of electrical propulsion units
    • B60K1/02Arrangement or mounting of electrical propulsion units comprising more than one electric motor
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H2200/00Transmissions for multiple ratios
    • F16H2200/0021Transmissions for multiple ratios specially adapted for electric vehicles

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Structure Of Transmissions (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

The invention discloses a kind of multi-mode dual-motor drive system and type of drive thereof, comprise: the output shaft of described first electrical motor is connected with the first input shaft of described change speed gear box, the output shaft of the second electrical motor is connected with the second input shaft of described change speed gear box, be connected by a power-transfer clutch between first input shaft of described change speed gear box and the second input shaft of change speed gear box, 4 mark structures are provided with in described change speed gear box, 1 grade of gear cluster and 3 grades of gear clusters are located on the second input shaft of change speed gear box, 2 grades of gear clusters and 4 grades of gear clusters are located on the first input shaft of change speed gear box, odd number shelves synchro is provided with between described 1 grade of gear cluster and 3 grades of gear clusters, even number shelves synchro is provided with between 2 grades of gear clusters and 4 grades of gear clusters.By the way, structure of the present invention is simple, can realize multimodal gear shift, is easy to realize, and is controlled, can realize the optimal combination of dynamic property and economy by the driving combination of two motors; And gear shift is realized by double-motor switching controls, power failure-free, traveling comfort is good.

Description

Multi-mode dual-motor drive system and type of drive thereof
Technical field
The present invention relates to power driven field, particularly relate to a kind of multi-mode dual-motor drive system and type of drive thereof.
Background technology
Increasingly serious along with energy shortage and problem of environmental pollution, it is the direction of automobile industry development that electronlmobil is generally believed at present both at home and abroad, its large-scale promotion application not only can energy-saving and emission-reduction, improve the quality of life of people, and be that many countries break away from the Important Action depending on, solve national energy security to oil unduly.
Existing pure electronic power drive system scheme, two kinds are divided into according to speed change scheme, a kind of is the drive system adopting one pole speed reduction gearing, there is no change speed gear box, adopt single reduction gear to realize slowing down, realize infinite speed variation by the speed governing of motor, but due to without speed changing function, be difficult to the contradiction taking into account pick-up time and maximum speed, and when conventional operating mode is run, be difficult to the operation interval of optimization motor to improve drive-train efficiency; Another scheme is the drive scheme adopting traditional multi-speed gear box, and the program can be good at solving the problem, but makes driving system structure complicated, and drive efficiency reduces, and cost increases.
Summary of the invention
The technical matters that the present invention mainly solves is to provide a kind of multi-mode dual-motor drive system, is controlled, can realize the optimal combination of dynamic property and economy by the driving combination of two motors.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: provide a kind of multi-mode dual-motor drive system, comprise: the first electrical motor, second electrical motor, change speed gear box, the output shaft of described first electrical motor is connected with the first input shaft of described change speed gear box, the output shaft of the second electrical motor is connected with the second input shaft of described change speed gear box, be connected by a power-transfer clutch between first input shaft of described change speed gear box and the second input shaft of change speed gear box, 4 mark structures are provided with in described change speed gear box, be respectively 1 grade of gear cluster, 2 grades of gear clusters, 3 grades of gear clusters and 4 grades of gear clusters, described 1 grade of gear cluster and 3 grades of gear clusters are located on the second input shaft of change speed gear box, 2 grades of gear clusters and 4 grades of gear clusters are located on the first input shaft of change speed gear box, odd number shelves synchro is provided with between described 1 grade of gear cluster and 3 grades of gear clusters, even number shelves synchro is provided with between 2 grades of gear clusters and 4 grades of gear clusters.
In a preferred embodiment of the present invention, the output shaft of described change speed gear box is provided with main reduction gear, and described main reduction gear is connected with a diff.
In a preferred embodiment of the present invention, in described change speed gear box, be provided with 5 grades or 6 mark structures.
In a preferred embodiment of the present invention, described first electrical motor and the second electrical motor include power generation mode, electric model.
In a preferred embodiment of the present invention, described power-transfer clutch is electric control clutch.
Also relate to a kind of type of drive of multi-mode dual-motor drive system, comprising:
Motor drive mode, comprise single motor and drive and Dual-motors Driving, single motor drives, disengaging of clutch, can select 1 or 3 grade of gear cluster, 2 or 4 grades of gear clusters drivings respectively; Power-transfer clutch combines, then any gear in 1-4 shelves gear cluster can be selected to drive; Dual-motors Driving, disengaging of clutch, can select 1 or 3 grade of gear and 2 or 4 grades of gear drive; Power-transfer clutch combines, then any gear in 1-4 shelves gear cluster can be selected to drive;
Motor reversing mode, motor reversal realizes the reversing of single motor and double-motor reversing, single motor reversing, disengaging of clutch, can select 1 or 3 grade of gear cluster, 2 or 4 grades of gear clusters drivings respectively; Power-transfer clutch combines, then any gear in 1-4 shelves gear cluster can be selected to move backward; Double-motor is moveed backward, disengaging of clutch, can select 1 or 3 grade of gear cluster and 2 or 4 grades of gear cluster reversings; Power-transfer clutch combines, then can select any gear reversing in 1-4 shelves gear cluster;
Brake energy recovery pattern, the first electrical motor and the second electrical motor are all operated in power generation mode, comprise single electric power generation and double-motor generating, single electric power generation, disengaging of clutch, can select 1 or 3 grade of gear cluster, 2 or 4 grades of gear cluster generatings respectively; Power-transfer clutch combines, then can select any gear generating in 1-4 shelves gear cluster; Double-motor generates electricity, and disengaging of clutch, can select 1 or 3 grade of gear cluster and 2 or 4 grades of gear clusters to generate electricity; Power-transfer clutch combines, then can select any gear generating in 1-4 shelves gear cluster.
The invention has the beneficial effects as follows: multi-mode dual-motor drive system of the present invention and type of drive structure simple, the first input shaft and second input shaft of change speed gear box is connected with power-transfer clutch, multimodal gear shift can be realized, be easy to realize, controlled by the driving combination of two motors, the optimal combination of dynamic property and economy can be realized; And gear shift is realized by double-motor switching controls, power failure-free, traveling comfort is good.
Accompanying drawing explanation
Fig. 1 is the structural representation of multi-mode dual-motor drive system one of the present invention preferred embodiment;
In accompanying drawing, the mark of each parts is as follows: 1, the first electrical motor, 2, the second electrical motor, 3, the first input shaft of change speed gear box, 4, the second input shaft of change speed gear box, 5, the output shaft of change speed gear box, 6, odd number shelves synchro, 7, even number shelves synchro, 8, main reduction gear, 9, diff, 10, power-transfer clutch.
Detailed description of the invention
Below in conjunction with accompanying drawing, preferred embodiment of the present invention is described in detail, can be easier to make advantages and features of the invention be readily appreciated by one skilled in the art, thus more explicit defining is made to protection scope of the present invention.
Refer to Fig. 1,
A kind of multi-mode dual-motor drive system of the present invention, comprise: the first electrical motor 1, second electrical motor 2, change speed gear box, the output shaft of described first electrical motor is connected with the first input shaft 3 of described change speed gear box, the output shaft of the second electrical motor is connected with the second input shaft 4 of described change speed gear box, is connected between the first input shaft 3 of described change speed gear box and the second input shaft 4 of change speed gear box by an electric control clutch.
4 mark structures are provided with in described change speed gear box, be respectively 1 grade of gear cluster, 2 grades of gear clusters, 3 grades of gear clusters and 4 grades of gear clusters, described 1 grade of gear cluster and 3 grades of gear clusters are located on the second input shaft 4 of change speed gear box, 2 grades of gear clusters and 4 grades of gear clusters are located on the first input shaft 3 of change speed gear box, 1/3 grade of synchro is provided with between described 1 grade of gear cluster and 3 grades of gear clusters, namely 2/4 grade of synchro is provided with, i.e. even number shelves synchro 7 between odd number shelves synchro 6,2 grades of gear clusters and 4 grades of gear clusters.The output shaft 5 of described change speed gear box is provided with main reduction gear 8, and described main reduction gear 8 is connected with a diff 9.
Different according to vehicle, the different numbers of gear steps of coupling, can be provided with 5 grades, 6 grades or more shift structures in change speed gear box.
Above-mentioned described first electrical motor 1 and the second electrical motor 2 include power generation mode, electric model.
Be 4 mark structures for the structure in change speed gear box, multi-mode dual-motor drive system can realize various modes, comprises
Motor drive mode, during driving, if drive demand power less, the first electrical motor 1 or the second electrical motor 2 can be selected to drive separately, to obtain good driving economic performance, now, if power-transfer clutch 10 is separated, according to the difference of selected drive motor, 1 or 3 grade of gear cluster, 2 or 4 grades of gear clusters drivings can be selected respectively.If power-transfer clutch 10 combines, then any gear in 1-4 shelves gear cluster can be selected to drive.
When high-power driving demand, driving can be combined by double-motor, obtain good tractive performance, now, if power-transfer clutch 10 is separated, 1 or 3 grade of gear cluster and 2 or 4 grades of gear clusters can be selected to drive.If power-transfer clutch 10 combines, then any gear in 1-4 shelves gear cluster can be selected to drive.
Motor reversing mode, motor reversal, according to the size of reversing demand power, also can realize the reversing of single motor and double-motor reversing, driving method is identical with motor drive mode.
Brake energy recovery pattern, the first electrical motor 1 and the second electrical motor 2 are all operated in power generation mode, and also can select single electric power generation or double-motor generating, driving method is identical with motor drive mode.
Concrete driving method combination sees the following form:
Multi-mode dual-motor drive system of the present invention and type of drive structure simple, the first input shaft and second input shaft of change speed gear box is connected with power-transfer clutch, multimodal gear shift can be realized, be easy to realize, controlled by the driving combination of two motors, the optimal combination of dynamic property and economy can be realized; And gear shift is realized by double-motor switching controls, power failure-free, traveling comfort is good.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize specification sheets of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.

Claims (1)

1. a multi-mode dual-motor drive system, it is characterized in that, comprise: the first electrical motor, second electrical motor, change speed gear box, the output shaft of described first electrical motor is connected with the first input shaft of described change speed gear box, the output shaft of the second electrical motor is connected with the second input shaft of described change speed gear box, be connected by a power-transfer clutch between first input shaft of described change speed gear box and the second input shaft of change speed gear box, 4 mark structures are provided with in described change speed gear box, be respectively 1 grade of gear cluster, 2 grades of gear clusters, 3 grades of gear clusters and 4 grades of gear clusters, described 1 grade of gear cluster and 3 grades of gear clusters are located on the second input shaft of change speed gear box, 2 grades of gear clusters and 4 grades of gear clusters are located on the first input shaft of change speed gear box, odd number shelves synchro is provided with between described 1 grade of gear cluster and 3 grades of gear clusters, even number shelves synchro is provided with between 2 grades of gear clusters and 4 grades of gear clusters,
The type of drive of multi-mode dual-motor drive system, comprising:
Motor drive mode, comprise single motor and drive and Dual-motors Driving, single motor drives, disengaging of clutch, can select 1 or 3 grade of gear cluster, 2 or 4 grades of gear clusters drivings respectively; Power-transfer clutch combines, then any gear in 1-4 shelves gear cluster can be selected to drive; Dual-motors Driving, disengaging of clutch, can select 1 or 3 grade of gear and 2 or 4 grades of gear drive; Power-transfer clutch combines, then any gear in 1-4 shelves gear cluster can be selected to drive;
Motor reversing mode, motor reversal realizes the reversing of single motor and double-motor reversing, single motor reversing, disengaging of clutch, can select 1 or 3 grade of gear cluster, 2 or 4 grades of gear clusters drivings respectively; Power-transfer clutch combines, then any gear in 1-4 shelves gear cluster can be selected to move backward; Double-motor is moveed backward, disengaging of clutch, can select 1 or 3 grade of gear cluster and 2 or 4 grades of gear cluster reversings; Power-transfer clutch combines, then can select any gear reversing in 1-4 shelves gear cluster;
Brake energy recovery pattern, the first electrical motor and the second electrical motor are all operated in power generation mode, comprise single electric power generation and double-motor generating, single electric power generation, disengaging of clutch, can select 1 or 3 grade of gear cluster, 2 or 4 grades of gear cluster generatings respectively; Power-transfer clutch combines, then can select any gear generating in 1-4 shelves gear cluster; Double-motor generates electricity, and disengaging of clutch, can select 1 or 3 grade of gear cluster and 2 or 4 grades of gear clusters to generate electricity; Power-transfer clutch combines, then can select any gear generating in 1-4 shelves gear cluster.
2. multi-mode dual-motor drive system according to claim 1, is characterized in that, the output shaft of described change speed gear box is provided with main reduction gear, and described main reduction gear is connected with a diff.
3. multi-mode dual-motor drive system according to claim 1, is characterized in that, is provided with 5 grades or 6 mark structures in described change speed gear box.
4. multi-mode dual-motor drive system according to claim 1, is characterized in that, described first electrical motor and the second electrical motor include power generation mode, electric model.
5. multi-mode dual-motor drive system according to claim 1, is characterized in that, described power-transfer clutch is electric control clutch.
CN201210520862.8A 2012-12-07 2012-12-07 Multi-mode dual-motor drive system and type of drive thereof Active CN103072472B (en)

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WO2020035558A1 (en) * 2018-08-15 2020-02-20 Brudeli Green Mobility As Powertrain, vehicle and method of performing a gearshift in the powertrain

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CN104290582B (en) * 2014-09-15 2017-03-22 杨升 Double-motor driven electric automobile transmission
CN104477028A (en) * 2014-11-26 2015-04-01 浙江大学 Automobile braking energy recycling device
CN106394214A (en) * 2016-11-23 2017-02-15 胡建 Driving system of electric automobile
CN108327496B (en) * 2017-01-19 2023-08-18 宇通客车股份有限公司 Dual-motor pure electric driving system and electric automobile using same
CN109703357B (en) * 2019-02-18 2020-06-23 凯博易控车辆科技(苏州)股份有限公司 Power system and vehicle
WO2021121604A1 (en) 2019-12-19 2021-06-24 Volvo Truck Corporation A gearbox for an electric powertrain
CN111779801A (en) * 2020-07-10 2020-10-16 燕山大学 Double-motor four-gear speed changer
CN113829861A (en) * 2021-10-11 2021-12-24 东风汽车集团股份有限公司 Electric drive system and vehicle
NO20220950A1 (en) 2022-09-02 2024-03-04 Brudeli Green Mobility As Powertrain
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WO2020035558A1 (en) * 2018-08-15 2020-02-20 Brudeli Green Mobility As Powertrain, vehicle and method of performing a gearshift in the powertrain

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