CN106151418A - Electrically variable transmission and include its vehicle - Google Patents
Electrically variable transmission and include its vehicle Download PDFInfo
- Publication number
- CN106151418A CN106151418A CN201510178264.0A CN201510178264A CN106151418A CN 106151418 A CN106151418 A CN 106151418A CN 201510178264 A CN201510178264 A CN 201510178264A CN 106151418 A CN106151418 A CN 106151418A
- Authority
- CN
- China
- Prior art keywords
- gear shifting
- shifting operator
- variable transmission
- gear
- electrically variable
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
- F16H3/76—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion with an orbital gear having teeth formed or arranged for obtaining multiple gear ratios, e.g. nearly infinitely variable
Abstract
A kind of electrically variable transmission is provided, including: clutch；Multiple commutating tooth wheels, it is able to receive power from clutch and export power；Planetary gearsets, including sun gear, planet carrier and gear ring；Electro-motor, it keeps power to be connected with sun gear；Brake, for locking or discharging gear ring, with the first gear shifting operator, for the output shaft of clutch being connected to commutating tooth wheels or another commutating tooth wheels, and the first gear shifting operator has centre position, wherein, the first gear shifting operator is all not connected to any one the commutating tooth wheels in multiple commutating tooth wheels；Second gear shifting operator, for the output shaft of electro-motor being connected to planet carrier or being connected to the housing of electrically variable transmission to lock the output shaft of electro-motor, and having centre position, wherein, the second gear shifting operator is neither connected with the housing of planet carrier and electrically variable transmission.The present invention also provides for a kind of vehicle including this electrically variable transmission.
Description
Technical field
The present invention relates to a kind of electrically variable transmission, and one includes this electric stepless variable-speed
The vehicle of device.
Background technology
Generally, hybrid gearbox has electro-motor and planetary gearsets, and described mixing is moved
Power variator can realize continuous variable speed ratio for electromotor, and thus hybrid gearbox is also
Be referred to as electrically variable transmission (electric Continuously Variable Transmission:
eCVT).Electrically variable transmission has multiple drive modes, the purest electromotor drive, pure
Electrical motor driven etc..
Toyota's hybrid power system (Toyota Hybrid System:THS) is known, and it is
Through being widely applied in hybrid power field.This THS is a kind of efficient hybrid power system,
It has main power source such as electromotor and electrically variable transmission.This electrically variable transmission bag
Including a planetary gearsets and two auxiliary power source such as electro-motors, one is motor,
Another is referred to as electromotor.In this THS, electromotor is connected to the planet carrier of planetary gearsets,
Electromotor is connected to the sun gear of planetary gearsets, and motor is connected to the tooth of planetary gearsets
Enclose, and power is exported wheel from gear ring by this THS.Speed by two electro-motors
Regulation, electromotor can always run in the most efficient region.
But, above-mentioned THS has many defects.Specifically, because the structures shape of THS
In the case of (speed is higher than 100kph) at a high speed travels, electromotor must start, if sent out
Motivation is inoperative, then electromotor is by high speed rotating and the (> 9500rpm that exceeds the speed limit) run just the most permissible
Reach the speed higher than 100kph (but electromotor is to exceed design speed), institute
The pure electric drive of high speed can not be realized with THS.Therefore, for plug-in hybrid vehicle and increasing
Range electric vehicle, THS can not meet the pure electrically driven (operated) requirement of high speed.
Further, THS uses two electro-motors, i.e. one electromotor and a motor,
The general power of two electro-motors is more than 100kW, and in the case of single motor motor, it is possible to
The electro-motor using only 20kW just can reach the same vehicle performance under electric drive.It is obvious,
Compared with single motor motor, THS produces and comes from the attached of electro-motor and power electric device
The cost added.
Additionally, on ordinary meaning, direct mechanical energy path specifically fuel-> electromotor->
The energy efficiency of wheel is always above path specifically fuel-> electromotor-> electromotor-> electronic horse
Reach the energy efficiency of driving means-> wheel.But, in the case of majority drives, THS always contains
There is an a certain proportion of rear paths, this significantly reduces system effectiveness.
Summary of the invention
It is an object of the invention to provide a kind of efficient hybrid powertrain structure, it can
Electromotor and electro-motor is kept to run in efficient region under different service conditions, and
It can be used in from being entirely mixed into plug-in mixing again to the multiple vehicle power of extended-range electric vehicle
Mixing.
The present invention achieves above-mentioned purpose by a kind of electrically variable transmission of offer, this electronic nothing
Level variator includes: clutch；Multiple commutating tooth wheels, the plurality of spur gear group is able to
Receive power from described clutch and export power；Planetary gearsets, described planetary gearsets bag
Include sun gear, planet carrier and gear ring, described sun gear and in the plurality of commutating tooth wheels
The output shaft of commutating tooth wheels keeps power to connect, and described gear ring with in the plurality of commutating tooth wheels
Another commutating tooth wheels output shaft keep power connect, described planet carrier outputs power to
Outside；Electro-motor, described electro-motor keeps power to be connected with described sun gear；Brake,
Described brake is used for locking or discharge described gear ring；First gear shifting operator, described gear shift is held
Row device for the output shaft of described clutch is connected to one commutating tooth wheels or another just
Gear train, and the first gear shifting operator has centre position, and wherein, described first gear shift is held
Row device is all not connected to any one the commutating tooth wheels in the plurality of commutating tooth wheels；With the second gear shift
Executor, described second gear shifting operator is for being connected to institute by the output shaft of described electro-motor
State planet carrier or be connected to the housing of described electrically variable transmission to lock described electro-motor
Output shaft, and the second gear shifting operator has centre position, and wherein, described second gear shift is held
Row device is neither connected with the housing of described planet carrier and described electrically variable transmission.
Thus, in the present invention, use planetary gearsets, clutch and brake realize for
Electromotor drives and the powershift of electrical motor driven, thus achieves pure electromotor and drives
Move and two kinds of type of drive of pure electric drive, and achieve the continuous variable in hybrid mode
Speed ratio.Additionally, by the electrically variable transmission of the present invention, it is possible to there is no external starter driver
In the case of utilize Clutch Control realize all electromotors start, such as electromotor when stopping
Electromotor during starting and travelling starts.
Preferably, described electrically variable transmission includes single electro-motor.
In the present invention, simply use single motor motor and thus reduce system cost, and lead to
Cross single motor motor and realize the High-speed Electric driving more than 100kph, thus meet plug-in mixing
Power car and the requirement of extended-range electric vehicle.Simply use single motor motor and save space,
The adnexa being thus connected to motor can be readily disposed in system.
Preferably, the plurality of commutating tooth wheels are two commutating tooth wheels.Further, can arrange many
In the commutating tooth wheels of two.
When the number of commutating tooth wheels increases, keeping same in relatively low scope of engine speed
Time can increase the velocity interval of gear ring of planetary gearsets.
Preferably, described electrically variable transmission has two pure electric drive modes, and in institute
Stating in the first mode in two pure electric drive modes, described throw-out-of clutch, described first changes
Shelves executor and described second gear shifting operator are in an intermediate position, and described brake is in locking
In position, and the second pattern in the pure electric drive mode of said two, described clutch takes off
Opening, described first gear shifting operator is in an intermediate position, and described brake is in off-position,
And described second gear shifting operator is joined to described planet carrier.
Thus obtained hybrid gearbox is capable of the pure motorized motions of 2 gears, this
Realized by electro-motor.
Preferably, described electrically variable transmission has three engine drive mode, and
In first mode in described three engine drive mode, described clutch engages, and described the
One gear shifting operator is joined to one commutating tooth wheels, and described brake is in the locked position, and
And described second gear shifting operator is in an intermediate position, in described three engine drive mode
The second pattern in, described clutch engages, described first gear shifting operator be joined to described another
Individual commutating tooth wheels, described brake is in off-position, and described second gear shifting operator engages
To the housing wall of described electrically variable transmission, and in described three engine drive mode
The 3rd pattern in, described clutch engage, described first gear shifting operator be joined to described separately
One commutating tooth wheels, described brake is in off-position, and described second gear shifting operator
It is joined to described planet carrier.
Thus obtained hybrid gearbox is capable of the direct engine of 3 gears and drives
Dynamic, this is realized by electromotor and clutch element.State-of-charge at battery extremely low or
During electrical components fault, this is particularly advantageous.
Preferably, described electrically variable transmission has two hybrid power drive patterns, and
In first mode in said two hybrid power drive pattern, described clutch engages, institute
Stating the first gear shifting operator and be joined to one commutating tooth wheels, described brake is in locking bit
Put, and described second gear shifting operator is in an intermediate position, and at said two hybrid power
In the second pattern in drive pattern, described clutch engages, and described first gear shifting operator engages
To another commutating tooth wheels described, described brake is in off-position, and described second gear shift is held
Row device is joined to described planet carrier.
Thus obtained hybrid gearbox is capable of the hybrid power of 2 gears and drives.
Preferably, described electrically variable transmission has electric stepless variable-speed pattern, and in institute
Stating in electric stepless variable-speed pattern, described clutch engages, and described first gear shifting operator is joined to
Another commutating tooth wheels described, described brake is in off-position, and described second gear shift is held
Row device is in an intermediate position.
Thus obtained hybrid gearbox is capable of the infinitely variable speeds with POL transfer
Drive..
Preferably, described electrically variable transmission has parking power generation mode, and stops described
In car power generation mode, described clutch engages, and described first gear shifting operator is joined to one
Commutating tooth wheels, during described brake is in off-position, and described second gear shifting operator is in
Between position.
Preferably, described electrically variable transmission has neutral mode, in described neutral mode,
Described throw-out-of clutch, described first gear shifting operator and described second gear shifting operator are in centre
Position, described brake is in off-position；Or described electrically variable transmission has parking mould
Formula, in described park mode, described throw-out-of clutch, during described first gear shifting operator is in
Between position, described brake is in the locked position, and described second gear shifting operator is joined to described
Planet carrier.
The present invention also provides for a kind of vehicle, and described vehicle includes electric stepless variable-speed as above
Device.
Accompanying drawing explanation
The these and other objects of the present invention and advantage will be completeer from combining the following description of accompanying drawing
Entirely embody, the most all accompanying drawings are presented with like reference characters identical or similar
Parts, and wherein:
Fig. 1 shows the hybrid architecture including the electrically variable transmission according to the present invention
Schematic diagram.
Power flowing in eCVT and planet tooth when Fig. 2 to 2-1 shows electromotor I shelves
Torque at the sun gear of wheels, planet carrier and gear ring and rotating speed.
Power flowing in eCVT and planet when Fig. 3 to 3-1 shows electromotor II shelves
Torque at the sun gear of gear train, planet carrier and gear ring and rotating speed.
Power flowing in eCVT and planet when Fig. 4 to 4-1 shows electromotor III shelves
Torque at the sun gear of gear train, planet carrier and gear ring and rotating speed.
Power flowing in eCVT and planet when Fig. 5 to 5-1 shows electro-motor I shelves
Torque at the sun gear of gear train, planet carrier and gear ring and rotating speed.
Power flowing in eCVT and row when Fig. 6 to 6-1 shows electro-motor II shelves
Torque at the sun gear of star gear train, planet carrier and gear ring and rotating speed.
Power flowing in eCVT and planet when Fig. 7 to 7-1 shows combination drive I shelves
Torque at the sun gear of gear train, planet carrier and gear ring and rotating speed.
Power flowing in eCVT and row when Fig. 8 to 8-1 shows combination drive II shelves
Torque at the sun gear of star gear train, planet carrier and gear ring and rotating speed.
Power flowing in eCVT and planet tooth when Fig. 9 to 9-1 shows eCVT pattern
Torque at the sun gear of wheels, planet carrier and gear ring and rotating speed.
Figure 10 to 10-1 shows power flowing in eCVT and planet when stopping generating
Torque at the sun gear of gear train, planet carrier and gear ring and rotating speed.
Figure 11 shows clutch and brake when vehicle is in neutral gear and gear shifting operator
Operation.
Clutch and brake and the operation of gear shifting operator when Figure 12 shows parking.
Detailed description of the invention
The electrically variable transmission according to the present invention is described in detail below with reference to accompanying drawing
Embodiment.In the description of the drawings, identical or corresponding part is by identical numbers and symbols table
Show, and by the repetitive description thereof will be omitted.Below describe in, represent direction term " on ", D score,
"left", "right" etc. are used only for describing accompanying drawing, and do not constitute the substantive restriction to the present invention.
Fig. 1 shows the hybrid architecture including the electrically variable transmission according to the present invention
Schematic diagram.As it is shown in figure 1, the hybrid architecture of the present invention includes that main power source is such as sent out
Motivation 3 and electrically variable transmission i.e. eCVT.This eCVT is arranged in electromotor 3 He of vehicle
Between wheel (not shown), and it is connected to electromotor 3 at input side and connects at outlet side
To wheel.ECVT includes single electro-motor (Electric Motor:EM) 1, planet tooth
Wheels 2, clutch C0, brake B1, two gear shifting operator A1 and A2, and two
Commutating tooth wheels 5 and 6.ECVT can also include differential mechanism 4.Planetary gearsets 2 includes the sun
Wheel 2.1, planet carrier 2.3 and gear ring 2.5.Planetary gearsets 2 receives the power from commutating tooth wheels,
And planet carrier 2.3 engages with the gear ring with differential mechanism 4 with teeth portion.
Between clutch C0 is arranged in electromotor 3 and two commutating tooth wheels, specifically, start
Machine 3 is fixedly attached to the power shaft of clutch C0, and the output shaft of clutch C0 is through two
Individual commutating tooth wheels and be pivotably supported in the often group in these two commutating tooth wheels corresponding one just
Gear 51,61.Clutch C0 can connect or disconnect electromotor 3 and two commutating tooth wheels it
Between power connect.
Electro-motor 1 is fixedly attached to the sun gear 2.1 of planetary gearsets 2, sun gear 2.1
Rotary shaft is fixedly attached to another commutating tooth in the commutating tooth wheels 5 in these two commutating tooth wheels
Wheel 52 and be pivotably supported in another commutating tooth wheels 6 in these two commutating tooth wheels another
Spur gear 62.Thus, electro-motor 1 with in sun gear 2.1 and this two commutating tooth wheels
Another spur gear 52 in one group can rotate integrally.
First gear shifting operator A1 is arranged between these two commutating tooth wheels, and is used as lock unit,
It can be connected to each spur gear in these two commutating tooth wheels in both sides with different gear ratios
Group.Specifically, during the first gear shifting operator A1 is connectable to each commutating tooth wheels 5 or 6
A corresponding spur gear 51 or 61, to drive another spur gear 52 or 62 corresponding.
Brake B1 is relative to vehicle body, and specifically the housing relative to eCVT is fixed, and energy
Enough lockings or the gear ring 2.5 of release planetary gearsets 2, thus allow the locking of gear ring 2.5 or turn
Dynamic.Gear ring 2.5 is fixedly attached to another spur gear 62 of commutating tooth wheels 6.
Second gear shifting operator A2 is disposed relative to housing and the planet of the fixing eCVT of vehicle body
Between the planet carrier 2.3 of gear train 2, and also serving as lock unit, it can connect respectively in both sides
Receive the housing of eCVT and the planet carrier 2.3 of planetary gearsets 2.Specifically, the second gear shift is held
Row device A2 is connectable to the housing of eCVT to lock electro-motor 1 in side, and at another
Side is connectable to planet carrier 2.3 so that electro-motor 1 rotates together with planet carrier 2.3.This
Outward, the second gear shifting operator A2 also has neutral position, and wherein the second gear shifting operator A2 was both
It is not connected with the housing of eCVT and is not the most connected with planet carrier 2.3.
First commutating tooth wheels 5 keep power to be connected with the sun gear 2.1 of planetary gearsets 2, by
Power from electromotor 3 can be delivered to sun gear 2.1 by this.Second commutating tooth wheels 6 and row
The gear ring 2.5 of star gear train 2 keeps power to connect, and it is possible to the power from electromotor 3
It is delivered to gear ring 2.5.
Electromotor 3 is the electromotor of any kind of consumption fuel, such as internal combustion engine, natural gas
Electromotor etc..Electro-motor 1 is not limited to internal rotor type, as long as this electro-motor can conduct
Motor again can be as electromotor.
ECVT according to the present invention is capable of 11 kinds of operator schemes.Shown in table 1 below
Clutch C0, brake B1 and the first gear shifting operator A1 and under various operator schemes
The mode of operation of two gear shifting operator A2.
Table 1
| Pattern | State description | C0 | A1 | A2 | B1 |
| 1 | Electromotor I shelves | X | L | N | X |
| 2 | Electromotor II shelves | X | R | R | |
| 3 | Electromotor III shelves | X | R | L | |
| 4 | Electro-motor I shelves | N | N | X | |
| 5 | Electro-motor II shelves | N | L | ||
| 6 | Combination drive I shelves | X | L | N | X |
| 7 | Combination drive II shelves | X | R | L | |
| 8 | ECVT combination drive | X | R | N | |
| 9 | Stop and generate electricity | X | L | N | |
| 10 | Neutral gear | N | N | ||
| 11 | Park lock | N | L | X |
Wherein,
* clutch and brake * gear shifting operator
X: engage L: engage (synchronization) to left side
R: engage (synchronization) to right side
N: centre position
Describe various mode of operations and the tool thereof of the eCVT of the present invention below with reference to the accompanying drawings in detail
Gymnastics is made.
Power flowing in eCVT and planet tooth when Fig. 2 to 2-1 shows electromotor I shelves
Torque at the sun gear 2.1 of wheels 2, planet carrier 2.3 and gear ring 2.5 and rotating speed.Specifically,
As described in Figure 2, when using electromotor I shelves, clutch C0 engages, the first gear shifting operator
A1 is joined to left side and is i.e. joined to the first commutating tooth wheels 5, and it is that it is in locking that brake B1 engages
Position, and the second gear shifting operator A2 is in an intermediate position.Thus, electromotor 3 sends
Power sequentially pass through clutch C0, the first commutating tooth wheels 5, sun gear 2.1, planet carrier 2.3 with
And differential mechanism 4 eventually arrives at wheel.
As shown in Fig. 2-1, when electromotor 3 runs, owing to brake B1 engages i.e., it is in lock
Location is put, and the rotating speed of gear ring 2.5 is 0, reduces from sun gear 2.1 to planet carrier 2.3 rotating speed；
And the torque T of sun gear 2.1sunTorque T with electromotoriceEqual, and with planet carrier 2.3
Torque TrIn opposite direction.Rotating speed and torque at gear ring 2.5 are all 0.
Power flowing in eCVT and planet when Fig. 3 to 3-1 shows electromotor II shelves
Torque at the sun gear 2.1 of gear train 2, planet carrier 2.3 and gear ring 2.5 and rotating speed.Specifically
Ground, as described in Figure 3, when using electromotor II shelves, clutch C0 engages, and the first gear shift is held
Row device A1 is joined to right side and is i.e. joined to the second commutating tooth wheels 6, and brake B1 is in off-position,
And the second gear shifting operator A2 is joined to right side and is i.e. joined to the housing of eCVT.Thus, send out
The power that motivation 3 sends sequentially passes through clutch C0, the second commutating tooth wheels 6, gear ring 2.5, OK
Carrier 2.3 and differential mechanism 4 eventually arrive at wheel.
When using electromotor II shelves, as shown in figure 3-1, electromotor 3 exports power and electronic
Motor 1 does not export power；ECVT i.e. it is joined to owing to the second gear shifting operator A2 is joined to right side
Housing, sun gear 2.1 rotating speed is 0；And from electromotor 3 to gear ring 2.5 again to planet carrier 2.3
Rotating speed first increases and reduces.
Power flowing in eCVT and planet when Fig. 4 to 4-1 shows electromotor III shelves
Torque at the sun gear 2.1 of gear train 2, planet carrier 2.3 and gear ring 2.5 and rotating speed.Specifically
Ground, as described in Figure 4, when using electromotor III shelves, clutch C0 engages, the first gear shift
Executor A1 is joined to right side and is i.e. joined to the second commutating tooth wheels 6, and brake B1 is in release position
Put, and the second gear shifting operator A2 is joined to left side and is i.e. joined to planet carrier 2.3.Thus,
The power that electromotor 3 sends sequentially passes through clutch C0, the second commutating tooth wheels 6, sun gear 2.1
Wheel is eventually arrived at gear ring 2.5, planet carrier 2.3 and differential mechanism 4.
When using electromotor III shelves, as shown in Fig. 4-1, electromotor 3 exports power and electronic
Motor 1 does not export power, and electromotor 3 drives sun gear 2.1, gear ring 2.5 and planet carrier 2.3
Rotate together.
Fig. 5 to 5-1 shows the first pure electric drive mode, and i.e. during electro-motor I shelves, power exists
Flowing in eCVT and the sun gear 2.1 of planetary gearsets 2, planet carrier 2.3 and gear ring 2.5
The torque at place and rotating speed.Specifically, as described in Figure 5, when using electro-motor I shelves, clutch
Device C0 disengages, and the first gear shifting operator A1 and the second gear shifting operator A2 is in an intermediate position,
Brake B1 engages and is i.e. in the locked position.Thus, the power warp successively that electro-motor 1 sends
Cross sun gear 2.1, planet carrier 2.3 and differential mechanism 4 and eventually arrive at wheel.Further, at vehicle
When carrying out regenerative braking, power can arrive electro-motor 1 from wheel with reverse order.
When using electro-motor I shelves, as shown in fig. 5-1, electromotor 3 does not export power and electric
Dynamic motor 1 exports power；Reduce from sun gear 2.1 to planet carrier 2.3 rotating speed, and due to braking
Device B1 engages, and the rotating speed of gear ring 2.5 is 0.
Fig. 6 to 6-1 shows the pure electric drive mode of the second, i.e. power during electro-motor II shelves
Flowing in eCVT and the sun gear 2.1 of planetary gearsets 2, planet carrier 2.3 and gear ring
Torque at 2.5 and rotating speed.Specifically, as described in Figure 6, when using electro-motor II shelves,
Clutch C0 disengages, and the first gear shifting operator A1 is in an intermediate position, and brake B1 is in
Off-position, and the second gear shifting operator A2 be joined to left side be i.e. joined to planet carrier 2.3.Thus,
The power that electro-motor 1 sends eventually arrives at wheel through planet carrier 2.3 and differential mechanism 4.
When using electro-motor II shelves, as in Figure 6-1, electromotor 3 do not export power and
Electro-motor 1 exports power；Sun gear 2.1, planet carrier 2.3 are identical with gear ring 2.5 rotating speed；
And the only torque T of electro-motor 1emResult in the torque T of planet carrier 2.3r。
Power flowing in eCVT and planet when Fig. 7 to 7-1 shows hybrid power I shelves
Torque at the sun gear 2.1 of gear train 2, planet carrier 2.3 and gear ring 2.5 and rotating speed.Specifically
Ground, as it is shown in fig. 7, when using hybrid power I shelves, clutch C0 engages, the first gear shift
Executor A1 is joined to left side and is i.e. joined to the first commutating tooth wheels 5, and brake B1 is in locking bit
Put, and the second gear shifting operator A2 is in an intermediate position.Thus, the power that electromotor 3 sends
Sequentially pass through clutch C0, the first commutating tooth wheels 5, sun gear 2.1, planet carrier 2.3 and poor
Speed device 4 eventually arrives at wheel.The power that electro-motor 1 sends is through sun gear 2.1, planet carrier
2.3 and differential mechanism 4 eventually arrive at wheel.Power that electromotor 3 sends and electro-motor 1
The power gone out is coupled together at sun gear 2.1.
When using hybrid power I shelves, as shown in Fig. 7-1, electromotor 3 to sun gear 2.1 turns
Speed keeps constant, reduces from sun gear 2.1 to planet carrier 2.3 rotating speed, and due to brake B1
Engaging is that it is in the locked position, and the rotating speed of gear ring 2.5 is 0；And the torque of sun gear 2.1
TsunThe i.e. torque T of electro-motor 1emTorque T with motor torqueiceJointly result in planet
The torque T of frame 2.3r。
Power flowing in eCVT and row when Fig. 8 to 8-1 shows hybrid power II shelves
Torque at the sun gear 2.1 of star gear train 2, planet carrier 2.3 and gear ring 2.5 and rotating speed.Tool
Body ground, as shown in Figure 8, when using hybrid power II shelves, clutch C0 engages, and first changes
Shelves executor A1 is joined to right side and is i.e. joined to the second commutating tooth wheels 6, and brake B1 is in release
Position, and the second gear shifting operator A2 be joined to left side be i.e. joined to planet carrier 2.3.Thus, send out
The power that motivation 3 sends sequentially pass through clutch C0, the second commutating tooth wheels 6, sun gear 2.1,
Planet carrier 2.3 and differential mechanism 4 eventually arrive at wheel.The power that electro-motor 1 sends is through too
Sun wheel 2.1, planet carrier 2.3 and differential mechanism 4 eventually arrive at wheel.It is dynamic that electromotor 3 sends
The power that power and electro-motor 1 send is coupled together at planet carrier 2.3.
As shown in Fig. 8-1, electromotor 3 exports power and electro-motor 1 also exports power；Too
Sun wheel 2.1, planet carrier 2.3 and gear ring 2.5 rotating speed are equal；The torque T of motor torqueiceAnd electricity
The torque T of dynamic motor 1emJointly result in the torque T of planet carrier 2.3r。
In two kinds of above-mentioned hybrid mode, i.e. hybrid power I shelves and hybrid power II shelves,
Electromotor and motor provide power i.e. parallel drive, therefore above two hybrid power mould simultaneously
Formula is not the most the electric stepless variable-speed pattern in meaning of the present invention, is i.e. non-eCVT pattern.
When Fig. 9 to 9-1 shows combination drive eCVT pattern power flowing in eCVT with
And the torque at the sun gear 2.1 of planetary gearsets 2, planet carrier 2.3 and gear ring 2.5 and rotating speed.
Specifically, as it is shown in figure 9, when using combination drive eCVT pattern, clutch C0 engages,
First gear shifting operator A1 is joined to right side and is i.e. joined to the second commutating tooth wheels 6, at brake B1
In off-position, and the second gear shifting operator A2 is in an intermediate position.Electromotor 3 and electronic
Motor 2 all exports power.The power that electromotor 3 sends sequentially passes through clutch C0, second just
Gear train 6, gear ring 2.5, planet carrier 2.3 and differential mechanism 4 eventually arrive at wheel.Electro-motor
1 power sent eventually arrives at wheel through sun gear 2.1, planet carrier 2.3 and differential mechanism 4.
Power that electromotor 3 sends and the power that electro-motor 1 sends are coupled to one at planet carrier 2.3
Rise.
As shown in fig. 9-1, when using eCVT pattern, owing to brake B1 disengages, from tooth
Circle 2.5 reduces to planet carrier 2.3 rotating speed and raises from sun gear 2.1 to gear ring 2.5 rotating speed；And
And the torque T of electro-motor 2emTorque T with motor torqueiceJointly result in planet carrier 2.3
Torque Tr。
When using eCVT pattern, by regulating the torque T of electro-motor 2em, it is possible to realize
Torque T to electromotoriceRegulation so that electromotor is in optimum operating condition or the most efficient district
Territory is run, and i.e. achieves the POL transfer of electromotor.
Figure 10 to 10-1 shows power flowing in eCVT and planet when stopping generating
Torque at the sun gear 2.1 of gear train 2, planet carrier 2.3 and gear ring 2.5 and rotating speed.Specifically
Ground, as shown in Figure 10, when using parking generating, clutch C0 engages, and the first gear shift is held
Row device A1 is joined to left side and is i.e. joined to the first commutating tooth wheels 5, and brake B1 is in off-position,
And the second gear shifting operator A2 is in an intermediate position.Thus, the power that electromotor 3 sends depends on
Secondary eventually arrive at electro-motor 1 use through clutch C0, the first commutating tooth wheels 5, sun gear 2.1
In generating.
As shown in Figure 10-1, in parking power generation mode, turning of planet carrier 2.3 and gear ring 2.5
Speed is all 0, and electromotor 3 is identical with the rotating speed of electro-motor 1；The torque of motor torque
TiceResult in the torque T of electro-motor 1em。
Figure 11 shows clutch and brake when vehicle is in neutral gear and gear shifting operator
Operation.Specifically, as shown in figure 11, when vehicle is in neutral gear, clutch C0 disengages,
First gear shifting operator A1 and the second gear shifting operator A2 is in an intermediate position, at brake B1
In off-position.
Clutch and brake and the operation of gear shifting operator when Figure 12 shows parking.Specifically
Ground, as shown in figure 12, when park lock, clutch C0 disengages, the first gear shifting operator
A1 is in an intermediate position, and brake B1 is in bonding station i.e. latched position, and the second gear shift is held
Row device A2 is joined to left side and is i.e. joined to planet carrier 2.3.In park lock pattern, due to braking
Device B1 is in bonding station i.e. latched position, and the gear ring 2.5 of planetary gearsets 2 is locked.
11 kinds of operator schemes of the eCVT according to the present invention described in detail above.
Additionally, the present invention also provides for a kind of vehicle, described vehicle includes electronic nothing as above
Level variator.Thus, described vehicle can reduce system cost and realize more than 100kph's
High-speed Electric drives.
But, ability is understood by, the unlimited number of the commutating tooth wheels in the present invention in 2,
Such as may be greater than 2.When the number of commutating tooth wheels increases, keeping engine speed
The velocity interval of planetary gearsets can be increased while in relatively low scope.In the eCVT pattern phase
Between, this has expanded the eCVT range of operation being particularly used for generating.Further, the eCVT of the present invention
Be not limited on vehicle use, and may apply to the aircraft that flies the most in atmosphere and
The boats and ships etc. of navigation in water.
The specific embodiment of the present invention has been described in detail with reference to the drawings.However, it is possible to it is pre-
Phase, in the case of without departing from the spirit and scope of the present invention defined in the appended claims,
The present invention can be made various changes and modifications.
Claims (10)
1. an electrically variable transmission, it is characterised in that including:
Clutch (C0)；
Multiple commutating tooth wheels, the plurality of spur gear group is able to from described clutch (C0)
Receive power and export power；
Planetary gearsets (2), described planetary gearsets includes sun gear (2.1), planet carrier
(2.3) one and in gear ring (2.5), described sun gear (2.1) and the plurality of commutating tooth wheels
The output shaft of individual commutating tooth wheels (5) keeps power to connect, and described gear ring (2.5) is with described many
The output shaft of another commutating tooth wheels (6) in individual commutating tooth wheels keeps power to connect, described row
Carrier (2.3) outputs power to outside；
Electro-motor (1), described electro-motor (1) and described sun gear (2.1) keep dynamic
Power connects；
Brake (B1), described brake (B1) is used for locking or discharge described gear ring (2.5)；
First gear shifting operator (A1), described first gear shifting operator (A1) is for by described
The output shaft of clutch (C0) is connected to one commutating tooth wheels (5) or another spur gear
Group (6), and the first gear shifting operator (A1) has centre position, wherein, described first
Gear shifting operator (A1) is all not connected to any one the commutating tooth wheels in the plurality of commutating tooth wheels；
With
Second gear shifting operator (A2), described second gear shifting operator (A2) is for by described
The output shaft of electro-motor (1) is connected to described planet carrier (2.3) or is connected to described electronic nothing
The housing of level variator is to lock the output shaft of described electro-motor (1), and described second changes
Shelves executor (A2) there is centre position, wherein, described second gear shifting operator (A2) with
The housing of described planet carrier (2.3) and described electrically variable transmission neither connects.
Electrically variable transmission the most according to claim 1, wherein
Described electrically variable transmission includes single electro-motor (2).
Electrically variable transmission the most according to claim 1, wherein
The plurality of commutating tooth wheels are two commutating tooth wheels.
4. according to the electrically variable transmission described in any one in claims 1 to 3, wherein
Described electrically variable transmission has two pure electric drive modes, and
In first mode in the pure electric drive mode of said two, described clutch (C0) takes off
Open, during described first gear shifting operator (A1) and described second gear shifting operator (A2) are in
Between position, described brake (B1) is in the locked position, and
In the second pattern in the pure electric drive mode of said two, described clutch (C0) takes off
Opening, described first gear shifting operator (A1) is in an intermediate position, described brake (B1) place
In off-position, and described second gear shifting operator (A2) is joined to described planet carrier (2.3).
5. according to the electrically variable transmission described in any one in claims 1 to 3, wherein
Described electrically variable transmission has three engine drive mode, and
In first mode in described three engine drive mode, described clutch (C0)
Engaging, described first gear shifting operator (A1) is joined to one commutating tooth wheels (5), institute
State brake (B1) to be in the locked position, and described second gear shifting operator (A2) is in
Centre position,
In the second pattern in described three engine drive mode, described clutch (C0)
Engaging, described first gear shifting operator (A1) is joined to another commutating tooth wheels (6) described,
Described brake (B1) is in off-position, and described second gear shifting operator (A2) connects
Close the housing wall of described electrically variable transmission, and
In the 3rd pattern in described three engine drive mode, described clutch (C0)
Engaging, described first gear shifting operator (A1) is joined to another commutating tooth wheels (6) described,
Described brake (B1) is in off-position, and described second gear shifting operator (A2) connects
Close described planet carrier (2.3).
6. according to the electrically variable transmission described in any one in claims 1 to 3, wherein
Described electrically variable transmission has two hybrid power drive patterns, and
In first mode in said two hybrid power drive pattern, described clutch (C0)
Engaging, described first gear shifting operator (A1) is joined to one commutating tooth wheels (5), institute
State brake (B1) to be in the locked position, and during described second gear shifting operator (A2) is in
Between position, and
In the second pattern in said two hybrid power drive pattern, described clutch (C0)
Engaging, described first gear shifting operator (A1) is joined to another commutating tooth wheels (6) described,
Described brake (B1) is in off-position, and described second gear shifting operator (A2) engages
To described planet carrier (2.3).
7. according to the electrically variable transmission described in any one in claims 1 to 3, wherein
Described electrically variable transmission has electric stepless variable-speed pattern, and
In described electric stepless variable-speed pattern, described clutch (C0) engages, and described first
Gear shifting operator (A1) is joined to another commutating tooth wheels (6) described, described brake (B1)
It is in off-position, and described second gear shifting operator (A2) is in an intermediate position.
8. according to the electrically variable transmission described in any one in claims 1 to 3, wherein
Described electrically variable transmission has parking power generation mode, and
In described parking power generation mode, described clutch (C0) engages, described first gear shift
Executor (A1) is joined to one commutating tooth wheels (5), and described brake (B1) is in
Off-position, and described second gear shifting operator (A2) is in an intermediate position.
9. according to the electrically variable transmission described in any one in claims 1 to 3, wherein
Described electrically variable transmission has neutral mode, in described neutral mode, described from
Clutch (C0) disengages, described first gear shifting operator (A1) and described second gear shifting operator
(A2) in an intermediate position, described brake (B1) is in off-position；Or
Described electrically variable transmission has park mode, in described park mode, described from
Clutch (C0) disengages, and described first gear shifting operator (A1) is in an intermediate position, described system
Dynamic device (B1) is in the locked position, and described second gear shifting operator (A2) is joined to described
Planet carrier (2.3).
10. a vehicle, described vehicle includes electromotor and electrically variable transmission, described electricity
Dynamic buncher is arranged between described electromotor and wheel, it is characterised in that described electronic
Buncher is the electrically variable transmission described in any one in aforementioned claim.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510178264.0A CN106151418B (en) | 2015-04-15 | 2015-04-15 | Electric continuously variable transmission and vehicle including the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510178264.0A CN106151418B (en) | 2015-04-15 | 2015-04-15 | Electric continuously variable transmission and vehicle including the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106151418A true CN106151418A (en) | 2016-11-23 |
| CN106151418B CN106151418B (en) | 2020-11-03 |
Family
ID=58057625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510178264.0A Active CN106151418B (en) | 2015-04-15 | 2015-04-15 | Electric continuously variable transmission and vehicle including the same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106151418B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112606675A (en) * | 2020-12-07 | 2021-04-06 | 东风汽车集团有限公司 | Hybrid power driving method and device, power system, vehicle and related equipment |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6592484B1 (en) * | 1999-08-09 | 2003-07-15 | Gregory A. Schultz | Transmission gearbox for parallel hybrid electric vehicles |
| US20040254039A1 (en) * | 2003-06-12 | 2004-12-16 | Honda Motor Co., Ltd. | Drive system |
| CN102107604A (en) * | 2009-12-25 | 2011-06-29 | 比亚迪股份有限公司 | Hybrid driving system for automobile and gear operating method thereof |
| EP2345828A1 (en) * | 2010-01-14 | 2011-07-20 | IFP Energies nouvelles | Transmission device with variable ratio for vehicle powertrain and hybrid vehicle using such a transmission |
| CN102285312A (en) * | 2010-06-08 | 2011-12-21 | 通用汽车环球科技运作有限责任公司 | Multispeed spur gear transmission with a planetary gear stage |
| CN202641354U (en) * | 2012-06-08 | 2013-01-02 | 叶文森 | Driving device for hybrid electric vehicle |
| CN102874089A (en) * | 2012-09-29 | 2013-01-16 | 天津市松正电动汽车技术股份有限公司 | Single-motor hybrid power driving system |
| CN103770627A (en) * | 2014-02-25 | 2014-05-07 | 中国汽车技术研究中心 | Novel vehicle hybrid-power driving device |
-
2015
- 2015-04-15 CN CN201510178264.0A patent/CN106151418B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6592484B1 (en) * | 1999-08-09 | 2003-07-15 | Gregory A. Schultz | Transmission gearbox for parallel hybrid electric vehicles |
| US20040254039A1 (en) * | 2003-06-12 | 2004-12-16 | Honda Motor Co., Ltd. | Drive system |
| CN102107604A (en) * | 2009-12-25 | 2011-06-29 | 比亚迪股份有限公司 | Hybrid driving system for automobile and gear operating method thereof |
| EP2345828A1 (en) * | 2010-01-14 | 2011-07-20 | IFP Energies nouvelles | Transmission device with variable ratio for vehicle powertrain and hybrid vehicle using such a transmission |
| CN102285312A (en) * | 2010-06-08 | 2011-12-21 | 通用汽车环球科技运作有限责任公司 | Multispeed spur gear transmission with a planetary gear stage |
| CN202641354U (en) * | 2012-06-08 | 2013-01-02 | 叶文森 | Driving device for hybrid electric vehicle |
| CN102874089A (en) * | 2012-09-29 | 2013-01-16 | 天津市松正电动汽车技术股份有限公司 | Single-motor hybrid power driving system |
| CN103770627A (en) * | 2014-02-25 | 2014-05-07 | 中国汽车技术研究中心 | Novel vehicle hybrid-power driving device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112606675A (en) * | 2020-12-07 | 2021-04-06 | 东风汽车集团有限公司 | Hybrid power driving method and device, power system, vehicle and related equipment |
| CN112606675B (en) * | 2020-12-07 | 2023-10-03 | 东风汽车集团有限公司 | Hybrid power driving method and device, power system, vehicle and related equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106151418B (en) | 2020-11-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7942776B2 (en) | Two-mode electrically variable transmission | |
| CN100523546C (en) | Electrically variable transmission having six fixed speed ratios | |
| JP5678299B2 (en) | Hybrid vehicle transmission | |
| US8597146B2 (en) | Powertrain with two planetary gear sets, two motor/generators and multiple power-split operating modes | |
| US8491431B2 (en) | Reconfigurable hybrid gear train | |
| US7867124B2 (en) | Output split electrically-variable transmission with electric propulsion using one or two motors | |
| US10017040B2 (en) | Drive unit for a hybrid vehicle | |
| JP2011098712A (en) | Transmission of hybrid vehicle | |
| JP2011105296A (en) | Transmission of hybrid vehicle | |
| US8512189B2 (en) | Hybrid powertrain with compound-split EVT drive axle and electric drive axle | |
| CN1898482A (en) | Two-mode, compound-split, hybrid electro-mechanical transmission having four fixed ratios | |
| CN108116218B (en) | Multi-gear series-parallel driving system based on planetary gear train | |
| US8790201B2 (en) | Hybrid transmission with three planetary gear sets and three interconnecting members and with synchronous shift between series and compound-split operating modes | |
| CN107654591A (en) | Multiple mode power shunting hybrid gearbox comprising double planetary gear unit | |
| EP3375650A1 (en) | Drive unit for hybrid vehicles | |
| CN103522891B (en) | There is multi-mode electrically variable transmission and the method for operation of ferrite magnetic iron machine | |
| CN105465296B (en) | Electric stepless speed variator | |
| CN107187309A (en) | The double mode hybrid transmissions of commercial car | |
| CN101451597A (en) | Mixed power outputting device | |
| CN106080169A (en) | Mixed power coupling device based on two-row planetary gear | |
| CN209208475U (en) | Hybrid power coupled system and vehicle | |
| CN103486206B (en) | four-mode hybrid transmission | |
| CN102734401B (en) | Hybrid transmission | |
| CN105697693A (en) | Electric continuously variable transmission and vehicle comprising same | |
| CN106564361A (en) | Double planet row hybrid system and hybrid vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |