CN103010009A - Electric vehicle power system and two-speed power transmission device thereof - Google Patents
Electric vehicle power system and two-speed power transmission device thereof Download PDFInfo
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- CN103010009A CN103010009A CN2012104967202A CN201210496720A CN103010009A CN 103010009 A CN103010009 A CN 103010009A CN 2012104967202 A CN2012104967202 A CN 2012104967202A CN 201210496720 A CN201210496720 A CN 201210496720A CN 103010009 A CN103010009 A CN 103010009A
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- 244000144983 clutch Species 0.000 description 7
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Abstract
The invention relates to an electric vehicle power system and a two-speed power transmission device thereof. The power transmission device comprises a casing which is fixedly mounted on a vehicle frame of a vehicle; a driving motor, a driving shaft which extends forward and backward in axial direction, and a planetary gear transmission mechanism are arranged on the casing; the rotor of the driving motor is in transmission connection with a sun gear; an internal gear is coaxially fixed on the driving shaft; a planet carrier is provided with a first power transmission end and a second power transmission end, a planet gear is arranged at the first power transmission end of the planet carrier, a first clutch is arranged between the second power transmission end of the planet carrier and the casing, and the planet carrier is in transmission connection or disconnected with the casing through the first clutch in an optional manner; and a second clutch is arranged between the second power transmission end of the planet carrier and the internal gear, and the planet carrier is in transmission connection or disconnected with the internal gear through the second clutch in an optional manner. The invention provides a power transmission device capable of two-speed shifting.
Description
Technical field
The present invention relates to automotive power and two gear variable-speed dynamic drivings device thereof for elec. vehicle.
Background technology
Along with increasing the weight of of world energy sources shortage and problem of environmental pollution, energy-conserving and environment-protective become the modern vehicle developing direction, and elec. vehicle is for the approach that provides is provided.Elec. vehicle is a kind of vehicle that the independent driving of drive motor is arranged or jointly driven by driving engine and drive motor, and the elec. vehicle power system is power generation and the transport sector of elec. vehicle, is the artery of car load.At present, the power system of elec. vehicle is comparative maturity, form is varied, but the power system of elec. vehicle, especially the aerodynamic force driving device is also imperfect, can't guarantee the peak efficiency transmission of motor in driving the vehicle process, structure is compact not, is difficult to give full play to the preceence of elec. vehicle aspect energy-conserving and environment-protective.
Existing elec. vehicle power system such as Chinese patent CN101293478A disclosed " plug-in type integrated actuating electric generator hybrid power car driving system ", drive system comprises power input part and power drive, the axle drive shaft that power drive comprises drive motor, planetary gear mechanism and is used for being in transmission connection to corresponding wheel, 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 that are used for the transmission of power end of power input or power output, wherein the clutch end of the ISG motor transmission of power end and driving engine is 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 elec. vehicle power system has realized slowing down to increase turning round by planetary gear mechanism, can not realize gearshift, has limited the performance of economy.
Summary of the invention
The object of the present invention is to provide a kind of can two the power drive of gear speed changes; The present invention also aims to provide a kind of elec. vehicle power system of using this power drive.
In order to address the above problem, the technical scheme of two gear variable-speed dynamic drivings device is among the present invention:
Two gear variable-speed dynamic drivings device, comprise be used to the housing on the vehicle frame that is fixedly mounted on corresponding vehicle, be provided with drive motor on the housing, the axle drive shaft that axially extends along fore-and-aft direction and have satellite gear, sun wheel, pinion carrier, the planetary gear mechanism of inner gear, the rotor of described drive motor and described sun wheel are in transmission connection, described inner gear is coaxial to be fixedly arranged on the 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, be provided with first clutch between the second transmission of power end of described pinion carrier and the housing, described pinion carrier is in transmission connection by the selectable and described housing of described first clutch or disconnects; Be provided with second clutch between the second transmission of power end of described pinion carrier and the described inner gear, described pinion carrier is connected by the selectable and described internal gear transmission of described second clutch or disconnects.
Have towards opposing forward and backward installation base surface on the second transmission of power end of described pinion carrier, the driving disc spacing pressing of described first and second power-transfer clutch is installed on respectively on the described forward and backward installation base surface, the clutch plate of described first clutch is captiveed joint with described housing, and the clutch plate of described second clutch is captiveed joint with described inner gear.
Described first and second power-transfer clutch is electric control clutch or manually controls the formula power-transfer clutch.
The technical scheme of elec. vehicle power system is among the present invention:
The elec. vehicle power system, comprise power take-off unit and power drive, described power drive comprises be used to the housing on the vehicle frame that is fixedly mounted on corresponding vehicle, be provided with drive motor on the housing, the axle drive shaft that axially extends along fore-and-aft direction and have satellite gear, sun wheel, pinion carrier, the planetary gear mechanism of inner gear, the rotor of described drive motor and described sun wheel are in transmission connection, described inner gear is coaxial to be fixedly arranged on the 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, be provided with first clutch between the second transmission of power end of described pinion carrier and the housing, described pinion carrier is in transmission connection by the selectable and described housing of described first clutch or disconnects; Be provided with second clutch between the second transmission of power end of described pinion carrier and the described inner gear, described pinion carrier is connected by the selectable and described internal gear transmission of described second clutch or disconnects.
Have towards opposing forward and backward installation base surface on the second transmission of power end of described pinion carrier, the driving disc spacing pressing of described first and second power-transfer clutch is installed on respectively on the described forward and backward installation base surface, the clutch plate of described first clutch is captiveed joint with described housing, and the clutch plate of described second clutch is captiveed joint 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 three-clutch and described axle drive shaft.
Described power take-off unit also comprises driving engine, three-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 three-clutch and described axle drive shaft, and described electrokinetic cell is electrically connected with described ISG motor by the ISG electric machine controller.
Be provided with external plug on the described electrokinetic cell.
Described first and second is electric control clutch or manually controls the formula power-transfer clutch with three-clutch.
Beneficial effect of the present invention is: two gear variable-speed dynamic drivings device of the present invention can be realized five mode of operations: 1, bottom gear transmission mode, when vehicle start or low speed large load operation, first clutch engages, second clutch separates, this moment, pinion carrier linked to each other with vehicle frame by housing, planetary gear mechanism serves as a big speed ratio drop-gear box, has realized slowing down increasing torsion effect; 2, directly keep off transmission mode, when the vehicle high speed was moved, first clutch disconnected, second clutch engages, pinion carrier and inner gear locking, whole planetary gear mechanism integral-rotation, for directly keeping off transmission mode, realized the free of losses transmission of drive motor efficient; 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, Parking pattern, 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 the Parking pattern; 5, the pattern of reversing gear, when needing reversing, the drive motor counter-rotating, first clutch engages, second clutch separates, and this moment, pinion carrier linked to each other with vehicle frame by housing, and planetary gear mechanism serves as a big speed ratio drop-gear box, realized the deceleration of drive motor is increased torsion effect, car load is in the pattern of reversing gear.The execution unit that the present invention is switched between bottom gear, direct gear, neutral and Parking gear as vehicle by two power-transfer clutchs, the various combination of the counterpart connection mode by two power-transfer clutchs and planetary gear mechanism, realize that vehicle is in bottom gear, the directly switching between gear, neutral and the Parking gear, thereby reach the purpose of speed change, have compact conformation, transmitting ratio is 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 to arrange again other retarder.Simultaneously, by two power-transfer clutchs and a planetary gear mechanism transmission, greatly reduce the power demand of drive motor in the equal outputting power situation, in the equal power of motor situation, greatly improved torque output, avoided complicated speed change system.
Further, first and second power-transfer clutch is electric control clutch, has saved the pedal of clutch of conventional truck by electronic control, and the devices such as gear shift operating rod have been simplified the manipulation of vehicle, have adapted to well the handling characteristics of electric vehicle; Because the technology of electric control clutch is relatively ripe, and control requires lowly, and the present invention has utilized proven technique dexterously, and manufacturing cost and use cost is low.
Description of drawings
Fig. 1 is the structural representation of an embodiment of two gear variable-speed dynamic drivings device among the present invention;
Fig. 2 is the structural representation of the embodiment 1 of elec. vehicle power system among the present invention;
Fig. 3 is among the present invention among the elec. vehicle power system embodiment 1, the energy transfer route figure of driven at low speed pattern;
Fig. 4 is among the present invention among the elec. vehicle power system embodiment 1, the energy transfer route figure of high-speed driving pattern;
Fig. 5 is among the present invention among the elec. vehicle power system embodiment 1, the energy transfer route figure of neutral car-parking model;
Fig. 6 is among the present invention among the elec. vehicle power system embodiment 1, the energy transfer route figure of Parking pattern;
Fig. 7 is among the present invention among the elec. vehicle power system embodiment 1, the energy transfer route figure of brake snub pattern;
Fig. 8 is among the present invention among the elec. vehicle power system embodiment 1, the energy transfer route figure of high speed slide pattern;
Fig. 9 is the structural representation of the embodiment 2 of elec. vehicle power system among the present invention;
Figure 10 is the structural representation of the embodiment 3 of elec. vehicle power system among the present invention;
Figure 11 is the structural representation of the embodiment 4 of elec. vehicle power system among the present invention;
Figure 12 is the structural representation of the embodiment 5 of elec. vehicle power system among the present invention.
The specific embodiment
The embodiment of two gear variable-speed dynamic drivings device is as shown in Figure 1: comprise be used to the housing 2 on the vehicle frame that is fixedly mounted on corresponding vehicle, be provided with axle drive shaft 7 on the housing 2, have the drive motor 1 of electricity generate function and have the planetary gear mechanism 6 of satellite gear 6b, sun wheel 6c, pinion carrier 6d, inner gear 6a, axially the extending along fore-and-aft direction of axle drive shaft 7.The stator 1b of drive motor 1 is fixed on the housing 2, rotor 1a and the sun wheel 6 of drive motor are in transmission connection, inner gear 6a is coaxial to be fixedly arranged on the 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, be provided with first clutch 3 between the second transmission of power end of pinion carrier 6d and the housing 2, and be provided with second clutch 4 between the inner gear 6a, have before opposing on the second transmission of power end of pinion carrier 6d, rear installation base surface, the driving disc spacing pressing 3b of first clutch is installed on the front installation base surface, the driving disc spacing pressing 4a of second clutch is installed on the rear installation base surface, the clutch plate 3a of first clutch is installed on the housing 2, the clutch plate 4b of second clutch is installed on the inner gear 6a, first, two power-transfer clutchs are electric control clutch, and the second transmission of power end of pinion carrier is selected to be connected and/or to be connected with internal gear transmission by second clutch with the housing braking by first clutch.
Two gear variable-speed dynamic drivings device of the present invention can be realized 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 separates, this moment pinion carrier with link to each other with vehicle frame by housing, planetary gear mechanism serves as a big speed ratio drop-gear box, has realized slowing down increasing torsion effect; 2, directly keep off transmission mode, when the vehicle high speed was moved, first clutch disconnected, second clutch engages, pinion carrier and inner gear locking, whole planetary gear mechanism integral-rotation, for directly keeping off transmission mode, realized the free of losses transmission of drive motor efficient; 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, Parking pattern, 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 the Parking pattern; 5, the pattern of reversing gear, when needing reversing, the drive motor counter-rotating, first clutch engages, second clutch separates, and this moment, pinion carrier linked to each other with vehicle frame by housing, and planetary gear mechanism serves as a big speed ratio drop-gear box, realized the deceleration of drive motor is increased torsion effect, car load is in the pattern of reversing gear.
By the use of electric-controlled type power-transfer clutch, saved the pedal of clutch of conventional truck, the devices such as gear shift operating rod, simplified the manipulation of vehicle, the handling characteristics that has adapted to well electric vehicle, and utilized dexterously proven technique, 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 control formula power-transfer clutch.
It is several that elec. vehicle is divided into pure electric drive mode, oily electric combination drive pattern and the electric combination drive pattern of plug-in oil etc., and the below is respectively example and describes.
The embodiment 1 of elec. vehicle power system is shown in Fig. 2 ~ 8: comprise power take-off unit and power drive, wherein the concrete structure of power drive is identical with each above-mentioned 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.Part 8 expression drive axles among the figure.
Drive motor can be mechanical energy with the electric energy conversion of electrokinetic cell as power unit, passes to wheel by mechanical system, also can be converted into electric energy to the vehicle energy from the mechanical system transmission, is filled with electrokinetic cell.
First and second power-transfer clutch disconnects by first clutch 3 as mode-changeover device, and second clutch 4 engages, and perhaps second clutch 4 disconnects, and first clutch 3 engages, and realizes normally travelling of vehicle, also can all engage by two power-transfer clutchs, realizes braking during standstill; Can also all disconnect by two power-transfer clutchs, realize neutral.
Planetary gear mechanism is as torque transfer, can realize two kinds of different transmitting ratios from first and second clutch engagement, when first clutch engages, when second clutch disconnects, by being provided, big speed ratio realizes low vehicle speeds, when first clutch disconnects, second clutch in conjunction with the time, realize high vehicle speeds by close steps is provided.
When the low speed driving pattern, as shown in Figure 3, first clutch 3 engages, second clutch 4 separates, pinion carrier is fixed, the electric energy of electrokinetic cell 10 is converted into mechanical energy through drive motor 1, passes to wheel after sun wheel, satellite gear and the inner gear deceleration through planetary gear mechanism 6, drives Vehicle Driving Cycle.The direction of arrow represents the energy direction of transfer among the figure.
When running at high speed pattern, as shown in Figure 4, first clutch separates 3, second clutch 4 engages, pinion carrier and inner gear are locked into one, this moment inner gear, pinion carrier and sun wheel constant speed rotation together, 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 Driving Cycle.
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 the Parking pattern.
When the brake snub pattern, as shown in Figure 7, first clutch engages, second clutch separates, 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 the regenerative braking state.
When the high speed slide pattern, as shown in Figure 8, first clutch separates, second clutch engages, pinion carrier and inner gear are locked into one, this moment inner gear, pinion carrier and sun wheel constant speed rotation together, 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 elec. vehicle power system is as shown in Figure 9: different from the embodiment 1 of elec. vehicle power system is, power take-off unit also comprises driving engine 12, and the clutch end of driving engine 12 is in transmission connection by three-clutch 11 and axle drive shaft 7.Three-clutch is electric control clutch.
First and second and three-clutch are as mode-changeover device, by disconnection or the joint of first and second and three-clutch, can realize that pure motor driving pattern, the driving engine of vehicle drives separately driving mode, driving charge mode, combination drive pattern in parallel, neutral mode, Parking pattern, brake snub pattern and high speed slide pattern.
Planetary gear mechanism is as torque transfer, can realize two kinds of different transmitting ratios from corresponding clutch engagement, when first clutch engages, when second clutch disconnects, by being provided, big speed ratio realizes low vehicle speeds, when first clutch disconnects, when second clutch engages, by being provided, close steps realizes high vehicle speeds.
In low speed pure motor driving pattern, three-clutch disconnects, and first clutch engages, second clutch separates, and pinion carrier is fixed, and the electric energy of electrokinetic cell is converted into mechanical energy through drive motor, pass to wheel through after the deceleration of planetary gear mechanism, drive Vehicle Driving Cycle.
At the independent drive pattern of high speed engine, three-clutch engages, first clutch separates, second clutch engages, pinion carrier and inner gear are locked into one, this moment inner gear, pinion carrier and sun wheel constant speed rotation together, the mechanical energy of driving engine is directly passed to vehicle by planetary gear mechanism, drives Vehicle Driving Cycle.
At the driving charge mode, three-clutch engages, first clutch separates, second clutch engages, pinion carrier and inner gear are locked into one, this moment inner gear, pinion carrier and sun wheel constant speed rotation together, the part mechanical energy of driving engine is directly passed to wheel by planetary gear mechanism, drives Vehicle Driving Cycle; Another part mechanical energy passes to the drive motor that is in the counter-rotating generating state through sun wheel, is converted into electric energy, is filled with electrokinetic cell.
In combination drive pattern in parallel, three-clutch engages, first clutch separates, second clutch engages, pinion carrier and inner gear are locked into one, this moment inner gear, pinion carrier and sun wheel constant speed rotation together, and the electric energy of electrokinetic cell is converted into mechanical energy through drive motor, and the mechanical energy of process planetary gear mechanism stack driving engine passes to wheel, the driving Vehicle Driving Cycle jointly.
When vehicle immobilization, first and second and three-clutch all disconnect, and realize power cut, and car load is in neutral position state.
During the long-time stagnation of movement of vehicle, three-clutch disconnects, and 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 the Parking pattern.
When the brake snub pattern, three-clutch separates, and first clutch engages, second clutch separates, 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 the regenerative braking state.
When the high speed slide pattern, three-clutch engages, first clutch separates, second clutch engages, pinion carrier and inner gear are locked into one, this moment inner gear, pinion carrier and sun wheel constant speed rotation together, 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 elec. vehicle power system, three-clutch also can be manual control clutch.
The embodiment 3 of elec. vehicle power system is as shown in figure 10: what embodiment 3 and elec. vehicle power system embodiment 2 were different is, is provided with external plug 16 above the electrokinetic cell, and external plug 16 can be given power battery charging by extraneous electricity stake.
The embodiment 4 of elec. vehicle power system is as shown in figure 11: what embodiment 4 and elec. vehicle power system embodiment 2 were different is, between three-clutch 11 and driving engine 12, be provided with the ISG motor 13 with two transmission of power ends, one of them transmission of power end and the three-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 links to each other with ISG motor 13 by ISG electric machine controller 14.
Drive motor and driving engine be as power unit, can be respectively electric energy and the fuel oil chemical power of electrokinetic cell be converted into mechanical energy, passes to wheel by mechanical system, also can be converted into electric energy to the vehicle energy of mechanical system transmission, is filled with electrokinetic cell; The ISG motor can be realized the mechanical energy of driving engine and the mutual conversion between the electrokinetic cell electric energy as electrical generator and starter motor.
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, Parking pattern, low speed feedback braking pattern and high speed slide feedback pattern.
Planetary gear mechanism is as torque transfer, can realize two kinds of different transmitting ratios from corresponding clutch engagement, when first clutch engages, when second clutch disconnects, by being provided, big speed ratio realizes low vehicle speeds, when first clutch disconnects, when second clutch is closed, by being provided, close steps realizes high vehicle speeds.
When low speed pure motor driving pattern, tail-off, three-clutch disconnects, first clutch engages, second clutch separates, and pinion carrier is fixed, and the electric energy of electrokinetic cell is converted into mechanical energy through drive motor, pass to wheel through after the deceleration of planetary gear mechanism, drive Vehicle Driving Cycle.
When the low speed series model, driving engine is opened, three-clutch disconnects, first clutch engages, and second clutch separates, and pinion carrier is fixed, the kinetic energy of driving engine at first is 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, finally by passing to wheel after the deceleration of crossing planetary gear mechanism, drive Vehicle Driving Cycle.
When the pure driving engine driving mode of high speed, three-clutch engages, first clutch separates, second clutch engages, pinion carrier and inner gear are locked into one, this moment inner gear, pinion carrier and sun wheel constant speed rotation together, the mechanical energy of driving engine is directly passed to vehicle by planetary gear mechanism, drives Vehicle Driving Cycle.
When the high speed traveling charge mode, three-clutch engages, first clutch separates, second clutch engages, pinion carrier and inner gear are locked into one, this moment inner gear, pinion carrier and sun wheel constant speed rotation together, the part mechanical energy of driving engine is directly passed to vehicle by planetary gear mechanism, drives Vehicle Driving Cycle; Another part mechanical energy passes to the drive motor that is in the counter-rotating generating state through sun wheel, is converted into electric energy, is filled with electrokinetic cell.
When combination drive pattern in parallel, three-clutch engages, first clutch separates, second clutch engages, pinion carrier and inner gear are locked into one, this moment inner gear, pinion carrier and sun wheel constant speed rotation together, and the electric energy of electrokinetic cell is converted into mechanical energy through drive motor, and the mechanical energy of process planetary gear mechanism stack driving engine passes to wheel, the driving Vehicle Driving Cycle jointly.
When vehicle immobilization, first and second and three-clutch all disconnect, and realize power cut, and car load is in neutral position state.
During the long-time stagnation of movement of vehicle, three-clutch disconnects, 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 the Parking pattern.
When the brake snub pattern, three-clutch separates, and first clutch engages, second clutch separates, 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 the regenerative braking state.
When the high speed slide pattern, three-clutch engages, first clutch separates, second clutch engages, pinion carrier and inner gear are locked into one, this moment inner gear, pinion carrier and sun wheel constant speed rotation together, 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 elec. vehicle power system is as shown in figure 12: what the embodiment of embodiment 5 and elec. vehicle power system 4 was different is, is provided with external plug 16 at electrokinetic cell 10, and external plug 16 can be given power battery charging by extraneous electricity stake.
Claims (10)
1. two keep off the variable-speed dynamic drivings device, comprise be used to the housing on the vehicle frame that is fixedly mounted on corresponding vehicle, be provided with drive motor on the housing, the axle drive shaft that axially extends along fore-and-aft direction and have satellite gear, sun wheel, pinion carrier, the planetary gear mechanism of inner gear, it is characterized in that: the rotor of described drive motor and described sun wheel are in transmission connection, described inner gear is coaxial to be fixedly arranged on the 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, be provided with first clutch between the second transmission of power end of described pinion carrier and the housing, described pinion carrier is in transmission connection by the selectable and described housing of described first clutch or disconnects; Be provided with second clutch between the second transmission of power end of described pinion carrier and the described inner gear, described pinion carrier is connected by the selectable and described internal gear transmission of described second clutch or disconnects.
2. power drive according to claim 1, it is characterized in that: have towards opposing forward and backward installation base surface on the second transmission of power end of described pinion carrier, the driving disc spacing pressing of described first and second power-transfer clutch is installed on respectively on the described forward and backward installation base surface, the clutch plate of described first clutch is captiveed joint with described housing, and the clutch plate of described second clutch is captiveed joint with described inner gear.
3. power drive according to claim 1 and 2, it is characterized in that: described first and second power-transfer clutch is electric control clutch or manually controls the formula power-transfer clutch.
4. elec. vehicle power system, comprise power take-off unit and power drive, described power drive comprises be used to the housing on the vehicle frame that is fixedly mounted on corresponding vehicle, be provided with drive motor on the housing, the axle drive shaft that axially extends along fore-and-aft direction and have satellite gear, sun wheel, pinion carrier, the planetary gear mechanism of inner gear, it is characterized in that: the rotor of described drive motor and described sun wheel are in transmission connection, described inner gear is coaxial to be fixedly arranged on the 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, be provided with first clutch between the second transmission of power end of described pinion carrier and the housing, described pinion carrier is in transmission connection by the selectable and described housing of described first clutch or disconnects; Be provided with second clutch between the second transmission of power end of described pinion carrier and the described inner gear, described pinion carrier is connected by the selectable and described internal gear transmission of described second clutch or disconnects.
5. elec. vehicle power system according to claim 4, it is characterized in that: have towards opposing forward and backward installation base surface on the second transmission of power end of described pinion carrier, the driving disc spacing pressing of described first and second power-transfer clutch is installed on respectively on the described forward and backward installation base surface, the clutch plate of described first clutch is captiveed joint with described housing, and the clutch plate of described second clutch is captiveed joint with described inner gear.
6. elec. vehicle power system according to claim 4, it is characterized in that: described power take-off unit comprises electrokinetic cell and drive motor controller, described electrokinetic cell is electrically connected with described drive motor by described drive motor controller.
7. elec. vehicle power system according to claim 6, it is characterized in that: described power take-off unit also comprises driving engine, the clutch end of described driving engine is in transmission connection by three-clutch and described axle drive shaft.
8. elec. vehicle power system according to claim 6, it is characterized in that: described power take-off unit also comprises driving engine, three-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 three-clutch and described axle drive shaft, and described electrokinetic cell is electrically connected with described ISG motor by the ISG electric machine controller.
9. the described elec. vehicle power system of any one is characterized in that: be provided with external plug on the described electrokinetic cell according to claim 6 ~ 8.
10. the described elec. vehicle power system of any one according to claim 7 ~ 8 is characterized in that: described first and second and three-clutch are electric control clutch or manually control the formula power-transfer clutch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210496720.2A CN103010009B (en) | 2012-11-29 | 2012-11-29 | Electric vehicle powertrain and two gear variable-speed dynamic drivings device thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210496720.2A CN103010009B (en) | 2012-11-29 | 2012-11-29 | Electric vehicle powertrain and two gear variable-speed dynamic drivings device thereof |
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| CN103010009A true CN103010009A (en) | 2013-04-03 |
| CN103010009B CN103010009B (en) | 2016-02-10 |
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| CN201210496720.2A Active CN103010009B (en) | 2012-11-29 | 2012-11-29 | Electric vehicle powertrain and two gear variable-speed dynamic drivings device thereof |
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| CN107763153A (en) * | 2016-08-19 | 2018-03-06 | 罗伯特·博世有限公司 | The shift transmission of planetary gear type two for electric vehicle |
| CN109720189A (en) * | 2017-10-27 | 2019-05-07 | 罗伯特·博世有限公司 | Using the vehicle hybrid system of planetary gear mechanism and dual clutch module |
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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 |
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Application publication date: 20130403 Assignee: Tianjin Yujun Automobile Technology Co.,Ltd. Assignor: HENAN University OF SCIENCE AND TECHNOLOGY Contract record no.: X2024980004365 Denomination of invention: Electric vehicle power system and its two speed variable speed power transmission device Granted publication date: 20160210 License type: Common License Record date: 20240415 |
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