CN103010009B - Electric vehicle powertrain and two gear variable-speed dynamic drivings device thereof - Google Patents

Electric vehicle powertrain and two gear variable-speed dynamic drivings device thereof Download PDF

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CN103010009B
CN103010009B CN201210496720.2A CN201210496720A CN103010009B CN 103010009 B CN103010009 B CN 103010009B CN 201210496720 A CN201210496720 A CN 201210496720A CN 103010009 B CN103010009 B CN 103010009B
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clutch
power
transmission
pinion carrier
gear
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CN103010009A (en
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高建平
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Henan University of Science and Technology
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Henan University of Science and Technology
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Abstract

The present invention relates to electric vehicle powertrain and two gear variable-speed dynamic drivings device thereof, power drive comprises the housing be fixedly mounted on the vehicle frame of vehicle, housing is provided with drive motor, the axle drive shaft axially extended along the longitudinal direction and planetary gear mechanism, rotor and the sun wheel of drive motor are in transmission connection, inner gear is coaxially fixedly arranged on described axle drive shaft, pinion carrier has first, the second two transmission of power ends, satellite gear is arranged on the first transmission of power end of described pinion carrier, first clutch is provided with between second transmission of power end of pinion carrier and housing, pinion carrier to be in transmission connection with housing by described first clutch is selectable or disconnects, be provided with second clutch between second transmission of power end of pinion carrier and described inner gear, pinion carrier is connected by the selectable and described internal gear transmission of described second clutch or is disconnected.The invention provides a kind of can two gear speed changes power drive.

Description

Electric vehicle powertrain and two gear variable-speed dynamic drivings device thereof
Technical field
The present invention relates to the automotive power for elec. vehicle and two gear variable-speed dynamic drivings device thereof.
Background technology
Along with world energy sources shortage and the increasing the weight of of problem of environmental pollution, energy-conserving and environment-protective become modern vehicle developing direction, and elec. vehicle provides approach for solving the problem.Elec. vehicle is a kind of vehicle having drive motor to drive separately or jointly driven by driving engine and drive motor, and electric vehicle powertrain is the power production and transfer mechanism of elec. vehicle, is the artery of car load.At present, the power system comparative maturity of elec. vehicle, form is varied, but the power system of elec. vehicle, especially aerodynamic force driving device imperfect, driving the peak efficiency transmission that cannot ensure motor in vehicle processes, structure is compact not, is difficult to give full play to the preceence of elec. vehicle in energy-conserving and environment-protective.
Existing electric vehicle powertrain is disclosed in Chinese patent CN101293478A " plug-in type integrated actuating electric generator hybrid power car driving system ", drive system comprises power input part and power drive, power drive comprises drive motor, planetary gear mechanism and the axle drive shaft for being in transmission connection to corresponding wheel, and drive motor is in transmission connection by planetary gear mechanism and axle drive shaft; Power input part comprises driving engine and has two ISG motors of transmission of power end for power input or Power output, wherein a transmission of power end of ISG motor and the clutch end of driving engine are in transmission connection, and another transmission of power end of ISG motor is connected by driven by clutches with axle drive shaft.Although existing this electric vehicle powertrain achieves deceleration increasing by planetary gear mechanism and turns round, gearshift can not be realized, limit the performance of economy.
Summary of the invention
The object of the present invention is to provide a kind of can two gear speed changes power drive; The present invention also aims to provide a kind of electric vehicle powertrain using this power drive.
In order to solve the problem, in the present invention, the technical scheme of two gear variable-speed dynamic drivings device is:
Two gear variable-speed dynamic drivings device, comprise the housing on the vehicle frame for being fixedly mounted on corresponding vehicle, housing is provided with drive motor, the axle drive shaft axially extended along the longitudinal direction and there is satellite gear, sun wheel, pinion carrier, the planetary gear mechanism of inner gear, rotor and the described sun wheel of described drive motor are in transmission connection, described inner gear is coaxially fixedly arranged on described axle drive shaft, described pinion carrier has first, the second two transmission of power ends, described satellite gear is arranged on the first transmission of power end of described pinion carrier, first clutch is provided with between second transmission of power end of described pinion carrier and housing, described pinion carrier is in transmission connection by the selectable and described housing of described first clutch or is disconnected, be provided with second clutch between second transmission of power end of described pinion carrier and described inner gear, described pinion carrier is connected by the selectable and described internal gear transmission of described second clutch or is disconnected.
Second transmission of power end of described pinion carrier has towards opposing forward and backward installation base surface, the driving disc spacing pressing of first and second power-transfer clutch described is installed on described forward and backward installation base surface respectively, the clutch plate of described first clutch is fixedly connected with described housing, and the clutch plate of described second clutch is fixedly connected with described inner gear.
First and second described power-transfer clutch is electric control clutch or manual type power-transfer clutch.
In the present invention, the technical scheme of electric vehicle powertrain is:
Electric vehicle powertrain, comprise power take-off unit and power drive, described power drive comprises the housing on the vehicle frame for being fixedly mounted on corresponding vehicle, housing is provided with drive motor, the axle drive shaft axially extended along the longitudinal direction and there is satellite gear, sun wheel, pinion carrier, the planetary gear mechanism of inner gear, rotor and the described sun wheel of described drive motor are in transmission connection, described inner gear is coaxially fixedly arranged on described axle drive shaft, described pinion carrier has first, the second two transmission of power ends, described satellite gear is arranged on the first transmission of power end of described pinion carrier, first clutch is provided with between second transmission of power end of described pinion carrier and housing, described pinion carrier is in transmission connection by the selectable and described housing of described first clutch or is disconnected, be provided with second clutch between second transmission of power end of described pinion carrier and described inner gear, described pinion carrier is connected by the selectable and described internal gear transmission of described second clutch or is disconnected.
Second transmission of power end of described pinion carrier has towards opposing forward and backward installation base surface, the driving disc spacing pressing of first and second power-transfer clutch described is installed on described forward and backward installation base surface respectively, the clutch plate of described first clutch is fixedly connected with described housing, and the clutch plate of described second clutch is fixedly connected with described inner gear.
Described power take-off unit comprises electrokinetic cell and drive motor controller, and described electrokinetic cell is electrically connected with described drive motor by described drive motor controller.
Described power take-off unit also comprises driving engine, and the clutch end of described driving engine is in transmission connection by the 3rd power-transfer clutch and described axle drive shaft.
Described power take-off unit also comprises driving engine, the 3rd power-transfer clutch and has the ISG motor of two transmission of power ends, one of them transmission of power end of described ISG motor and the clutch end of described driving engine are in transmission connection, another transmission of power end of described ISG motor is in transmission connection by described 3rd power-transfer clutch and described axle drive shaft, and described electrokinetic cell is electrically connected with described ISG motor by ISG electric machine controller.
Described electrokinetic cell is provided with external plug.
Described first and second is electric control clutch or manual type power-transfer clutch with three power-transfer clutchs.
Beneficial effect of the present invention is: two gear variable-speed dynamic drivings device of the present invention can realize five mode of operations: 1, bottom gear transmission mode, when vehicle start or low speed large load operation, first clutch engages, second clutch is separated, now pinion carrier is connected with vehicle frame by housing, planetary gear mechanism serves as a big speed ratio drop-gear box, and achieving slows down increases torsion effect; 2, directly keep off transmission mode, when vehicle high speed is run, first clutch disconnects, second clutch engages, pinion carrier and inner gear locking, whole planetary gear mechanism integral-rotation, for directly keeping off transmission mode, achieve the free of losses transmission of drive motor efficiency; 3, neutral mode, when vehicle immobilization, first and second power-transfer clutch all disconnects, and realizes power cut, and car load is in neutral position state; 4, park mode, during the long-time stagnation of movement of vehicle, first and second power-transfer clutch all engages, and axle drive shaft and planetary gear mechanism and vehicle frame are connected to one, and car load is in park mode; 5, to reverse gear pattern, when needing reversing, drive motor reverses, first clutch engages, second clutch is separated, and now pinion carrier is connected with vehicle frame by housing, and planetary gear mechanism serves as a big speed ratio drop-gear box, achieve and increase torsion effect to the deceleration of drive motor, car load is in the pattern of reversing gear.The execution unit that the present invention is switched as vehicle by two power-transfer clutchs between bottom gear, directly gear, neutral and parking gear, by the various combination of the corresponding part connection mode of two power-transfer clutchs and planetary gear mechanism, realize the switching of vehicle between bottom gear, directly gear, neutral and parking gear, thus reach the object of speed change, there is compact conformation, transmitting ratio be large, load-carrying capacity is large, stable drive and driving efficiency advantages of higher, by larger transmitting ratio, and can directly be connected with drive axle, do not need the retarder that other is set again.Meanwhile, by two power-transfer clutchs and a planetary gear mechanism transmission, in equal outputting power situation, substantially reduce the power demand of drive motor, under equivalent motor power situation, substantially increase torque and export, avoided complicated speed change system.
Further, first and second power-transfer clutch is electric control clutch, is eliminated the pedal of clutch of conventional truck, the devices such as gear shift operating rod by Electronic control, simplifies the manipulation of vehicle, has adapted to the handling characteristics of electric vehicle well; Due to the technology relative maturity of electric control clutch, and control overflow is low, and the present invention make use of proven technique dexterously, and manufacturing cost and use cost is low.
Accompanying drawing explanation
Fig. 1 is the structural representation of an embodiment of two gear variable-speed dynamic drivings device in the present invention;
Fig. 2 is the structural representation of the embodiment 1 of electric vehicle powertrain in the present invention;
Fig. 3 is in the present invention in electric vehicle powertrain embodiment 1, the energy transferring course diagram of low speed driving mode;
Fig. 4 is in the present invention in electric vehicle powertrain embodiment 1, the energy transferring course diagram of speed driving modes;
Fig. 5 is in the present invention in electric vehicle powertrain embodiment 1, the energy transferring course diagram of neutral car-parking model;
Fig. 6 is in the present invention in electric vehicle powertrain embodiment 1, the energy transferring course diagram of park mode;
Fig. 7 is in the present invention in electric vehicle powertrain embodiment 1, the energy transferring course diagram of brake snub pattern;
Fig. 8 is in the present invention in electric vehicle powertrain embodiment 1, the energy transferring course diagram of high speed slide pattern;
Fig. 9 is the structural representation of the embodiment 2 of electric vehicle powertrain in the present invention;
Figure 10 is the structural representation of the embodiment 3 of electric vehicle powertrain in the present invention;
Figure 11 is the structural representation of the embodiment 4 of electric vehicle powertrain in the present invention;
Figure 12 is the structural representation of the embodiment 5 of electric vehicle powertrain in the present invention.
Detailed description of the invention
Two keep off the embodiment of variable-speed dynamic drivings device as shown in Figure 1: comprise the housing 2 on the vehicle frame for being fixedly mounted on corresponding vehicle, housing 2 is provided with axle drive shaft 7, has the drive motor 1 of electricity generate function and has the planetary gear mechanism 6 of satellite gear 6b, sun wheel 6c, pinion carrier 6d, inner gear 6a, the axis of axle drive shaft 7 extends along the longitudinal direction.The stator 1b of drive motor 1 is fixed on housing 2, rotor 1a and the sun wheel 6 of drive motor are in transmission connection, inner gear 6a is coaxially fixedly arranged on axle drive shaft 7, pinion carrier 6d has first, the second two transmission of power ends, satellite gear 6b is arranged on the first transmission of power end of pinion carrier 6d, first clutch 3 is provided with between the second transmission of power end of pinion carrier 6d and housing 2, and be provided with second clutch 4 between inner gear 6a, the second transmission of power end of pinion carrier 6d have towards before opposing, rear installation base surface, the driving disc spacing pressing 3b of first clutch is installed on front installation base surface, the driving disc spacing pressing 4a of second clutch is installed on rear installation base surface, the clutch plate 3a of first clutch is installed on housing 2, the clutch plate 4b of second clutch is installed on inner gear 6a, first, two power-transfer clutchs are electric control clutch, second transmission of power end of pinion carrier is selected to be braked with housing by first clutch to be connected and/or to be connected with internal gear transmission by second clutch.
Two gear variable-speed dynamic drivings device of the present invention can realize following five kinds of mode of operations: 1, bottom gear transmission mode, when vehicle start or low speed large load operation, first clutch engages, second clutch is separated, now pinion carrier is connected with vehicle frame with by housing, planetary gear mechanism serves as a big speed ratio drop-gear box, and achieving slows down increases torsion effect; 2, directly keep off transmission mode, when vehicle high speed is run, first clutch disconnects, second clutch engages, pinion carrier and inner gear locking, whole planetary gear mechanism integral-rotation, for directly keeping off transmission mode, achieve the free of losses transmission of drive motor efficiency; 3, neutral mode, when vehicle immobilization, first and second power-transfer clutch all disconnects, and realizes power cut, and car load is in neutral position state; 4, park mode, during the long-time stagnation of movement of vehicle, first and second power-transfer clutch all engages, and axle drive shaft and planetary gear mechanism and vehicle frame are connected to one, and car load is in park mode; 5, to reverse gear pattern, when needing reversing, drive motor reverses, first clutch engages, second clutch is separated, and now pinion carrier is connected with vehicle frame by housing, and planetary gear mechanism serves as a big speed ratio drop-gear box, achieve and increase torsion effect to the deceleration of drive motor, car load is in the pattern of reversing gear.
By the use of electric-controlled type power-transfer clutch, eliminate the pedal of clutch of conventional truck, the devices such as gear shift operating rod, simplify the manipulation of vehicle, adapted to the handling characteristics of electric vehicle well, and make use of proven technique dexterously, manufacturing cost and use cost is low.Certainly, in other embodiment of this power drive, first and second power-transfer clutch also can be manual type power-transfer clutch.
Elec. vehicle is divided into pure electric drive mode, oily electric combination drive pattern and plug-in oil electric combination drive pattern etc. several, is respectively example below and is described.
The embodiment 1 of electric vehicle powertrain is as shown in Fig. 2 ~ 8: comprise power take-off unit and power drive, and wherein the concrete structure of power drive is identical with above-mentioned each power drive embodiment, is not described in detail in this.Power take-off unit comprises electrokinetic cell 10 and drive motor controller 9, and electrokinetic cell 10 is connected with drive motor 1 by drive motor controller 9.In figure, part 8 represents drive axle.
The electric energy conversion of electrokinetic cell, as power unit, can be mechanical energy, pass to wheel by mechanical system by drive motor, also the vehicle energy from mechanical system transmission can be converted into electric energy, be filled with electrokinetic cell.
First and second power-transfer clutch, as mode-changeover device, is disconnected by first clutch 3, and second clutch 4 engages, or second clutch 4 disconnects, and first clutch 3 engages, and realizes the normal traveling of vehicle, also all can engage by two power-transfer clutchs, realizes braking during standstill; All can also disconnect by two power-transfer clutchs, realize neutral.
Planetary gear mechanism is as torque transfer, two kinds of different transmitting ratios can be realized from first and second clutch engagement, when first clutch engages, when second clutch disconnects, low vehicle speeds is realized by providing big speed ratio, when first clutch disconnect, second clutch in conjunction with time, realize high vehicle speeds by providing close steps.
When low-speed running mode, as shown in Figure 3, first clutch 3 engages, second clutch 4 is separated, pinion carrier is fixed, the electric energy of electrokinetic cell 10 is converted into mechanical energy through drive motor 1, after the sun wheel of planetary gear mechanism 6, satellite gear and inner gear slow down, pass to wheel, drives vehicle to travel.In figure, the direction of arrow represents energy transferring direction.
When running at high speed pattern, as shown in Figure 4, first clutch is separated 3, second clutch 4 engages, pinion carrier and inner gear are locked into one, now inner gear, pinion carrier constant speed rotation together with sun wheel, and the electric energy of electrokinetic cell 10 is converted into mechanical energy through drive motor 1, be directly passed to vehicle by planetary gear mechanism 6, drive vehicle to travel.
When vehicle immobilization, as shown in Figure 5, first and second power-transfer clutch all disconnects, and realizes power cut, and car load is in neutral position state.
During the long-time stagnation of movement of vehicle, as shown in Figure 6, first and second power-transfer clutch all engages, and axle drive shaft and planetary gear mechanism are connected to one by housing 2 and vehicle frame 5, and car load is in park mode.
When brake snub pattern, as shown in Figure 7, first clutch engages, second clutch is separated, and pinion carrier is fixed, and the kinetic energy of vehicle is through the transmission of planetary gear mechanism, be converted into electric energy by drive motor, be filled with electrokinetic cell, car load is in regenerative braking state.
When high speed slide pattern, as shown in Figure 8, first clutch is separated, second clutch engages, pinion carrier and inner gear are locked into one, now inner gear, pinion carrier constant speed rotation together with sun wheel, and the kinetic energy of vehicle is converted into electric energy through drive motor, be filled with electrokinetic cell, car load is in and slides regenerating condition.
The embodiment 2 of electric vehicle powertrain is as shown in Figure 9: with the embodiment 1 of electric vehicle powertrain unlike, power take-off unit also comprises driving engine 12, and the clutch end of driving engine 12 is in transmission connection with axle drive shaft 7 by the 3rd power-transfer clutch 11.3rd power-transfer clutch is electric control clutch.
First and second and three power-transfer clutchs are as mode-changeover device, by disconnection or the joint of first and second and three power-transfer clutchs, the pure motor driving pattern of vehicle can be realized, driving engine drives separately driving mode, driving charge mode, combination drive pattern in parallel, neutral mode, park mode, brake snub pattern and high speed slide pattern.
Planetary gear mechanism is as torque transfer, two kinds of different transmitting ratios can be realized from corresponding clutch engagement, when first clutch engages, when second clutch disconnects, low vehicle speeds is realized by providing big speed ratio, when first clutch disconnects, when second clutch engages, realize high vehicle speeds by providing close steps.
In low speed pure motor driving pattern, the 3rd power-transfer clutch disconnects, and first clutch engages, second clutch is separated, and pinion carrier is fixed, and the electric energy of electrokinetic cell is converted into mechanical energy through drive motor, after the deceleration of planetary gear mechanism, pass to wheel, drive vehicle to travel.
At the independent drive pattern of high speed engine, 3rd power-transfer clutch engages, first clutch is separated, second clutch engages, pinion carrier and inner gear are locked into one, now inner gear, pinion carrier constant speed rotation together with sun wheel, the mechanical energy of driving engine is directly passed to vehicle by planetary gear mechanism, drives vehicle to travel.
At driving charge mode, 3rd power-transfer clutch engages, first clutch is separated, second clutch engages, pinion carrier and inner gear are locked into one, now inner gear, pinion carrier constant speed rotation together with sun wheel, the some mechanical of driving engine is directly passed to wheel by planetary gear mechanism, drives vehicle to travel; Another part mechanical energy passes to the drive motor being in reversion generating state through sun wheel, be converted into electric energy, be filled with electrokinetic cell.
In combination drive pattern in parallel, 3rd power-transfer clutch engages, first clutch is separated, second clutch engages, pinion carrier and inner gear are locked into one, now inner gear, pinion carrier constant speed rotation together with sun wheel, and the electric energy of electrokinetic cell is converted into mechanical energy through drive motor, and jointly pass to wheel through the mechanical energy of planetary gear mechanism superposition driving engine, drive vehicle to travel.
When vehicle immobilization, first and second and three power-transfer clutchs all disconnect, and realize power cut, car load is in neutral position state.
During the long-time stagnation of movement of vehicle, the 3rd power-transfer clutch disconnects, and first and second power-transfer clutch all engages, and axle drive shaft and planetary gear mechanism are connected to integrally with vehicle frame, and car load is in park mode.
When brake snub pattern, the 3rd disengaging of clutch, first clutch engages, second clutch is separated, and pinion carrier is fixed, and the kinetic energy of vehicle is through the transmission of planetary gear mechanism, be converted into electric energy by drive motor, be filled with electrokinetic cell, car load is in regenerative braking state.
When high speed slide pattern, 3rd power-transfer clutch engages, first clutch is separated, second clutch engages, pinion carrier and inner gear are locked into one, now inner gear, pinion carrier constant speed rotation together with sun wheel, and the kinetic energy of vehicle is converted into electric energy through drive motor, be filled with electrokinetic cell, car load is in and slides regenerating condition.
In other embodiment of this electric vehicle powertrain, the 3rd power-transfer clutch also can be Non-follow control power-transfer clutch.
The embodiment 3 of electric vehicle powertrain is as shown in Figure 10: embodiment 3 and electric vehicle powertrain embodiment 2 unlike, be provided with external plug 16 above electrokinetic cell, external plug 16 can by extraneous electric stake to power battery charging.
The embodiment 4 of electric vehicle powertrain is as shown in figure 11: embodiment 4 and electric vehicle powertrain embodiment 2 unlike, the ISG motor 13 with two transmission of power ends is provided with between the 3rd power-transfer clutch 11 and driving engine 12, one of them transmission of power end and the 3rd power-transfer clutch 11 of ISG motor 13 are in transmission connection, the clutch end of another transmission of power end and driving engine 12 is in transmission connection, and electrokinetic cell 10 is connected with ISG motor 13 by ISG electric machine controller 14.
The electric energy of electrokinetic cell and fuel oil chemical energy, as power unit, can be mechanical energy, pass to wheel, also the vehicle energy of mechanical system transmission can be converted into electric energy, be filled with electrokinetic cell by mechanical system by drive motor and driving engine respectively; ISG motor, as electrical generator and starter motor, can realize the mutual conversion between the mechanical energy of driving engine and electrokinetic cell electric energy.
Each power-transfer clutch is as mode-changeover device, by disconnection or the joint of corresponding power-transfer clutch, realize vehicle electric-only mode, series model, the independent drive pattern of driving engine, driving charge mode, parallel drive pattern, neutral mode, park mode, low speed feedback braking pattern and high speed slide feedback pattern.
Planetary gear mechanism is as torque transfer, two kinds of different transmitting ratios can be realized from corresponding clutch engagement, when first clutch engages, when second clutch disconnects, low vehicle speeds is realized by providing big speed ratio, when first clutch disconnects, when second clutch closes, realize high vehicle speeds by providing close steps.
When low speed pure motor driving pattern, tail-off, 3rd power-transfer clutch disconnects, first clutch engages, second clutch is separated, and pinion carrier is fixed, and the electric energy of electrokinetic cell is converted into mechanical energy through drive motor, after the deceleration of planetary gear mechanism, pass to wheel, drive vehicle to travel.
When low speed series model, driving engine is opened, 3rd power-transfer clutch disconnects, first clutch engages, and second clutch is separated, and pinion carrier is fixed, first the kinetic energy of driving engine be converted into electric energy through ISG motor and ISG electric machine controller, be converted into mechanical energy through drive motor controller and drive motor again, after eventually passing the deceleration of planetary gear mechanism, pass to wheel, drive vehicle to travel.
When the pure engine running mode of high speed, 3rd power-transfer clutch engages, first clutch is separated, second clutch engages, pinion carrier and inner gear are locked into one, now inner gear, pinion carrier constant speed rotation together with sun wheel, the mechanical energy of driving engine is directly passed to vehicle by planetary gear mechanism, drives vehicle to travel.
When high speed traveling charge mode, 3rd power-transfer clutch engages, first clutch is separated, second clutch engages, pinion carrier and inner gear are locked into one, now inner gear, pinion carrier constant speed rotation together with sun wheel, the some mechanical of driving engine is directly passed to vehicle by planetary gear mechanism, drives vehicle to travel; Another part mechanical energy passes to the drive motor being in reversion generating state through sun wheel, be converted into electric energy, be filled with electrokinetic cell.
When combination drive pattern in parallel, 3rd power-transfer clutch engages, first clutch is separated, second clutch engages, pinion carrier and inner gear are locked into one, now inner gear, pinion carrier constant speed rotation together with sun wheel, and the electric energy of electrokinetic cell is converted into mechanical energy through drive motor, and jointly pass to wheel through the mechanical energy of planetary gear mechanism superposition driving engine, drive vehicle to travel.
When vehicle immobilization, first and second and three power-transfer clutchs all disconnect, and realize power cut, car load is in neutral position state.
During the long-time stagnation of movement of vehicle, the 3rd power-transfer clutch disconnects, first and second power-transfer clutch all engages, and axle drive shaft and planetary gear mechanism are connected to integrally with vehicle frame, and car load is in park mode.
When brake snub pattern, the 3rd disengaging of clutch, first clutch engages, second clutch is separated, and pinion carrier is fixed, and the kinetic energy of vehicle is through the transmission of planetary gear mechanism, be converted into electric energy by motor, be filled with electrokinetic cell, car load is in regenerative braking state.
When high speed slide pattern, 3rd power-transfer clutch engages, first clutch is separated, second clutch engages, pinion carrier and inner gear are locked into one, now inner gear, pinion carrier constant speed rotation together with sun wheel, and the kinetic energy of vehicle is converted into electric energy through drive motor, be filled with electrokinetic cell, car load is in and slides regenerating condition.
The embodiment 5 of electric vehicle powertrain is as shown in figure 12: the embodiment 4 of embodiment 5 and electric vehicle powertrain unlike, electrokinetic cell 10 is provided with external plug 16, and external plug 16 can by extraneous electric stake to power battery charging.

Claims (10)

1. liang gear variable-speed dynamic driving device, comprise the housing on the vehicle frame for being fixedly mounted on corresponding vehicle, housing is provided with the drive motor with electricity generate function, the axle drive shaft axially extended along the longitudinal direction and there is satellite gear, sun wheel, pinion carrier, the planetary gear mechanism of inner gear, it is characterized in that: rotor and the described sun wheel of described drive motor are in transmission connection, described inner gear is coaxially fixedly arranged on described axle drive shaft, described pinion carrier has first, the second two transmission of power ends, described satellite gear is arranged on the first transmission of power end of described pinion carrier, first clutch is provided with between second transmission of power end of described pinion carrier and housing, described pinion carrier is in transmission connection by the selectable and described housing of described first clutch or is disconnected, be provided with second clutch between second transmission of power end of described pinion carrier and described inner gear, described pinion carrier is connected by the selectable and described internal gear transmission of described second clutch or is disconnected.
2. power drive according to claim 1, it is characterized in that: the second transmission of power end of described pinion carrier has towards opposing forward and backward installation base surface, the driving disc spacing pressing of described first clutch, second clutch is installed on described forward and backward installation base surface respectively, the clutch plate of described first clutch is fixedly connected with described housing, and the clutch plate of described second clutch is fixedly connected with described inner gear.
3. power drive according to claim 1 and 2, is characterized in that: described first clutch, second clutch are electric control clutch or manual type power-transfer clutch.
4. electric vehicle powertrain, comprise power take-off unit and power drive, described power drive comprises the housing on the vehicle frame for being fixedly mounted on corresponding vehicle, housing is provided with the drive motor with electricity generate function, the axle drive shaft axially extended along the longitudinal direction and there is satellite gear, sun wheel, pinion carrier, the planetary gear mechanism of inner gear, it is characterized in that: rotor and the described sun wheel of described drive motor are in transmission connection, described inner gear is coaxially fixedly arranged on described axle drive shaft, described pinion carrier has first, the second two transmission of power ends, described satellite gear is arranged on the first transmission of power end of described pinion carrier, first clutch is provided with between second transmission of power end of described pinion carrier and housing, described pinion carrier is in transmission connection by the selectable and described housing of described first clutch or is disconnected, be provided with second clutch between second transmission of power end of described pinion carrier and described inner gear, described pinion carrier is connected by the selectable and described internal gear transmission of described second clutch or is disconnected.
5. electric vehicle powertrain according to claim 4, it is characterized in that: the second transmission of power end of described pinion carrier has towards opposing forward and backward installation base surface, the driving disc spacing pressing of described first clutch, second clutch is installed on described forward and backward installation base surface respectively, the clutch plate of described first clutch is fixedly connected with described housing, and the clutch plate of described second clutch is fixedly connected with described inner gear.
6. electric vehicle powertrain according to claim 4, is characterized in that: described power take-off unit comprises electrokinetic cell and drive motor controller, and described electrokinetic cell is electrically connected with described drive motor by described drive motor controller.
7. electric vehicle powertrain according to claim 6, is characterized in that: described power take-off unit also comprises driving engine, and the clutch end of described driving engine is in transmission connection by the 3rd power-transfer clutch and described axle drive shaft.
8. electric vehicle powertrain according to claim 6, it is characterized in that: described power take-off unit also comprises driving engine, the 3rd power-transfer clutch and has the ISG motor of two transmission of power ends, one of them transmission of power end of described ISG motor and the clutch end of described driving engine are in transmission connection, another transmission of power end of described ISG motor is in transmission connection by described 3rd power-transfer clutch and described axle drive shaft, and described electrokinetic cell is electrically connected with described ISG motor by ISG electric machine controller.
9. the electric vehicle powertrain according to claim 6 ~ 8 any one, is characterized in that: described electrokinetic cell is provided with external plug.
10. the electric vehicle powertrain according to claim 7 ~ 8 any one, is characterized in that: described first clutch, second clutch and the 3rd power-transfer clutch are electric control clutch or manual type power-transfer clutch.
CN201210496720.2A 2012-11-29 2012-11-29 Electric vehicle powertrain and two gear variable-speed dynamic drivings device thereof Active CN103010009B (en)

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CN103899719A (en) * 2014-04-13 2014-07-02 福建亚南电机有限公司 Two-gear gearbox of pure electric sweeper
CN107763153B (en) * 2016-08-19 2022-04-01 罗伯特·博世有限公司 Planetary gear type two-speed transmission for electric vehicle

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