CN108644321A - Hybrid transmission, hybrid drive system and vehicle - Google Patents
Hybrid transmission, hybrid drive system and vehicle Download PDFInfo
- Publication number
- CN108644321A CN108644321A CN201810310828.5A CN201810310828A CN108644321A CN 108644321 A CN108644321 A CN 108644321A CN 201810310828 A CN201810310828 A CN 201810310828A CN 108644321 A CN108644321 A CN 108644321A
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- gear
- synchronizer
- input shaft
- output shaft
- combustion engine
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 35
- 238000002485 combustion reaction Methods 0.000 claims abstract description 87
- 238000000926 separation method Methods 0.000 claims description 10
- 230000008878 coupling Effects 0.000 description 7
- 238000010168 coupling process Methods 0.000 description 7
- 238000005859 coupling reaction Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
Classifications
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- 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
- F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
- F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
- F16H3/087—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears
-
- 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
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/02—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used
-
- 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
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/26—Generation or transmission of movements for final actuating mechanisms
- F16H61/28—Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
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- 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
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/26—Generation or transmission of movements for final actuating mechanisms
- F16H61/28—Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
- F16H61/32—Electric motors actuators or related electrical control means therefor
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Hybrid Electric Vehicles (AREA)
Abstract
The invention relates to a hybrid transmission, a hybrid drive system and a vehicle. The hybrid drive system includes an internal combustion engine, a motor, and a clutch, the hybrid transmission including a first input shaft for connection to an output shaft of the internal combustion engine through the clutch; a second input shaft for connection to an output shaft of the motor; a transmission output shaft; a first gear and a second gear rotatably disposed on the first input shaft; a third gear and a fourth gear arranged on the second input shaft in a rotationally fixed manner, the third gear being in mesh with the first gear and the fourth gear being in mesh with the second gear; a fifth gear rotatably disposed on the transmission output shaft and meshed with the second gear; a first synchronizer disposed on the first input shaft, located between the first gear and the second gear, and configured to be engageable with or disengageable from the first gear or the second gear; and a second synchronizer disposed on the transmission output shaft and configured to be engageable with or disengageable from the fifth gear.
Description
Technical field
The present invention relates to motor vehicle driven by mixed power field.In particular it relates to hybrid gearbox and including should
The hybrid electric drive system and vehicle of hybrid gearbox.
Background technology
Hybrid vehicle provides power using the combination of internal combustion engine and motor.Hybrid electric drive system needs to distribute
With the power of coupling internal combustion engine and motor, and internal combustion engine, motor, clutch and speed changer are generally included etc..Many mixing
Power car uses automatic mechanical transmission (AMT).Known a kind of hybrid electric drive system (P2.5 patterns), in clutch
The power of the power of engine and motor is transmitted to the input shaft or output shaft of speed changer after device.
But the existing usual complex structural designs of this hybrid electric drive system, using more gear set and together
Device is walked, occupied space is big, of high cost, and is unfavorable for power service efficiency.
For this reason, it may be necessary to a kind of improved hybrid gearbox and hybrid electric drive system.
Invention content
It is an object of the present invention to provide can reduce manufacture difficulty and cost, the hybrid power change for compressing occupied space
Fast device and hybrid electric drive system.It is a further object to provide the hybrid powers that gear is driven with multiple motors
Speed changer and hybrid electric drive system.It is a further object of the present invention to provide the mixing that torque compensation can be carried out in shift
Power transmission and hybrid electric drive system.It is a further object of the present invention to provide the shapes that can be travelled in motor-driven vehicle
The hybrid gearbox and hybrid electric drive system of internal combustion engine are easily started under state.
According to an aspect of the invention, there is provided a kind of hybrid gearbox for hybrid electric drive system,
The hybrid electric drive system includes internal combustion engine, motor and clutch, and the hybrid gearbox includes：First input
Axis is used to be connected to the output shaft of the internal combustion engine by the clutch；Second input shaft is used to be connected to the electricity
The output shaft of machine；Transmission output shaft；First gear and second gear are rotatably disposed on first input shaft；
Third gear and the 4th gear are arranged in anti-torsion on second input shaft, wherein the third gear and described the
One gear engages, and the 4th gear is engaged with the second gear；5th gear is rotatably disposed within the change
It is engaged on fast device output shaft and with the second gear；First synchronizer is arranged on first input shaft, is located at institute
State between first gear and the second gear, and be constructed to be permeable to engage with the first gear or the second gear or
Separation；And second synchronizer, it is arranged on the transmission output shaft, and be constructed to be permeable to connect with the 5th gear
It closes or detaches.
According to an embodiment of the invention, wherein the output shaft of second input shaft and the motor is coaxially arranged and anti-
Turn round connection.
According to an embodiment of the invention, wherein second input shaft is arranged in parallel with first input shaft.
According to an embodiment of the invention, the hybrid gearbox further includes the 6th gear, is arranged in anti-torsion
On first input shaft；And the 7th gear, it is rotatably disposed on the transmission output shaft so that described second
Synchronizer is between the 5th gear and the 7th gear and can be with the 5th gear or the 7th gear
Engagement or separation, wherein the 7th gear is engaged with the 6th gear.
According to an embodiment of the invention, the hybrid gearbox further includes eighth gear, is arranged in anti-torsion
On first input shaft；9th gear is rotatably disposed on the transmission output shaft, and with the octadentate
Wheel engagement；And third synchronizer, be arranged on the transmission output shaft, be located at the 9th gear axial side and
It can engage or detach with the 9th gear.
According to an embodiment of the invention, the hybrid gearbox further includes the tenth gear, is arranged in anti-torsion
On first input shaft；It with the 11st gear, is rotatably disposed on the transmission output shaft so that the third
Synchronizer, and can be with the 9th gear or the described 11st between the 9th gear and the 11st gear
Gear engages or separation, wherein the 11st gear is engaged with the tenth gear.
According to an embodiment of the invention, wherein the hybrid gearbox is arranged with the motor in common shell
In.
According to an embodiment of the invention, wherein the hybrid electric drive system includes single clutch, and the mixing is dynamic
Power speed changer is arranged with the clutch in common shell.
According to another aspect of the present invention, a kind of hybrid electric drive system, including any embodiment as above are provided
The hybrid gearbox；Internal combustion engine；Motor；And clutch, it is located at the internal combustion engine and the hybrid power speed change
Between device, wherein the output shaft of the internal combustion engine by the clutch be connected to the hybrid gearbox it is first defeated
Enter axis, the output shaft of the motor is connected to the second input shaft of the hybrid gearbox.
According to a further aspect of the invention, a kind of vehicle is additionally provided comprising hybrid power driving as described above
System.
Description of the drawings
Fig. 1 is the schematic diagram of hybrid electric drive system according to an embodiment of the invention.
Fig. 2A -2D schematically show the pure of speed changer and hybrid electric drive system according to an embodiment of the invention
Power transmission path under motor drive mode.
Fig. 3 A-3E schematically show the interior of speed changer and hybrid electric drive system according to an embodiment of the invention
Power transmission path under combustion engine drive mode.
Fig. 4 A-4E schematically show the mixed of speed changer and hybrid electric drive system according to an embodiment of the invention
Close the power transmission path under drive mode.
Fig. 5 schematically show speed changer and hybrid electric drive system according to an embodiment of the invention in motor
Drive the power transmission path for starting internal combustion engine under vehicle running state.
Specific implementation mode
Hereinafter, embodiment of the invention will be described with reference to drawings.Following detailed description and drawings are for illustratively saying
Bright the principle of the present invention, the present invention is not limited to described preferred embodiment, the scope of the present invention is defined by the claims.It is existing
The embodiment detailed description present invention of reference example, some embodiments are illustrated in the drawings.Be described below refer to the attached drawing into
Row, unless otherwise indicated, otherwise same reference numerals in different figures represent same or similar element.Following exemplary
Scheme described in embodiment does not represent all schemes of the present invention.On the contrary, these schemes are related in appended claims
And various aspects of the invention system and method example.
Fig. 1 is the schematic diagram of hybrid electric drive system according to an embodiment of the invention.As shown in Figure 1, being used for vehicle
Hybrid electric drive system may include internal combustion engine ICE, motor EM, speed changer T and clutch K.Internal combustion engine ICE and motor EM
As power source, the power of the two output is transferred to the wheel of vehicle via speed changer T.
Internal combustion engine ICE in the present invention typically refers to traditional diesel engine or gasoline engine, naturally it is also possible to be
Use the internal combustion engine of other alternative fuel, such as compressed natural gas, propane and alcohol fuel etc..In addition, internal combustion engine ICE can be
Four cylinder engine can also be the engine of other cylinder numbers.
Motor EM is also used as generator by internal combustion engine other than as power source (with motor mode)
The power of ICE outputs is converted to power storage in the battery being electrically connected with motor.
Speed changer T may include the first input shaft 1, the second input shaft 2 and transmission output shaft 3.
First input shaft 1 can be connected to the output shaft of internal combustion engine ICE by clutch K.Clutch K can select to disconnect
Or connection is from internal combustion engine ICE to the power transmission of speed changer T.Some embodiments according to the present invention, the output shaft of internal combustion engine ICE
Torsional vibration damper (such as double mass flywheel) can also be set between clutch K, the torsional oscillation of I. C. engine crankshaft is isolated
Deng.
Second input shaft 2 is connected to the output shaft of motor EM.In the exemplary embodiment, the second input shaft 2 can be with electricity
The output shaft of machine EM is coaxially arranged and antitorque connection, so that the power of motor EM is directly delivered to the second input shaft 2.
Output shaft 3 is used to output power to the wheel of vehicle.For example, output shaft 3 may be connected to differential mechanism.
According to an embodiment of the invention, the first input shaft 1 and the second input shaft 2 can be arranged parallel to each other.In addition, the
One input shaft 1 and the second input shaft 2 can be arranged to parallel with output shaft 3.
According to an embodiment of the invention, speed changer T can also include first gear Z11, second gear Z12, third gear
Z21, the 4th gear Z22, the 5th gear Z32, the first synchronizer A and the second synchronizer B.
First gear Z11 and second gear Z12 can be rotatably set on the first input shaft 1, so as to it is first defeated
Enter the relative rotation of axis 1.Be arranged on the second input shaft 2 to third gear Z21 and the 4th gear Z22 anti-torsions, so as to
Second input shaft 2 is rotated with identical speed.Third gear Z21 is engaged with first gear Z11, and the 4th gear Z22 and second
Gear Z12 engagements.5th gear Z32 can be rotatably set on transmission output shaft 3, so as to transmission output shaft 3
It relatively rotates.5th gear Z32 is engaged with second gear Z12.
First synchronizer A is arranged on the first input shaft 1, that is, is set on the first input shaft 1.Implementation shown in Fig. 1
In example, the first synchronizer A, and can be with first gear Z11 or second between first gear Z11 and second gear Z12
Gear Z12 engagements or separation.There are three working conditions for the first synchronizer A tools as a result,：(joint shape is engaged with first gear Z11
State), it is engaged with second gear Z12 (engagement state), and be disengaged and (detach with first gear Z11 and second gear Z12
State).When being engaged with first gear Z11, the first synchronizer A by the rotation of the first input shaft 1 and can be rotatably arranged
The rotation of first gear Z11 on the first input shaft 1 synchronizes.When being engaged with second gear Z12, the first synchronizer A can be with
The rotation of first input shaft 1 is synchronous with the rotation of second gear Z12 that can be rotatably set on the first input shaft 1.
In the case that one synchronizer A is engaged with first gear Z11 or second gear Z12, the input shaft of the power of motor EM in speed changer T
Place is transmitted to speed changer T, that is, so that hybrid electric drive system is in P2 patterns.
Second synchronizer B is arranged on transmission output shaft 3, that is, is set on output shaft 3.Embodiment shown in Fig. 1
In, the second synchronizer B is located at the side of the separate internal combustion engine ICE of the 5th gear Z32 (according to other embodiment, the second synchronizer B
Can also be positioned at the side of the close internal combustion engine ICE of the 5th gear Z32), and can engage or detach with the 5th gear Z32.
There are two working conditions for the second synchronizer B tools as a result,：(engagement state) is engaged with the 5th gear Z32, is taken off with the 5th gear Z32
From engagement (discrete state).When being engaged with the 5th gear Z32, the second synchronizer B can be by the rotation of output shaft 3 and rotatable
The rotation that the 5th gear Z32 on output shaft 3 is arranged in ground synchronizes.In this case, the power of motor EM can be direct
It is transferred at the output shaft of speed changer T so that hybrid drive train is in P3 patterns.
Hybrid gearbox and hybrid electric drive system according to an embodiment of the invention as a result, can utilize the
One synchronizer A and the second synchronizer B switch between P2 patterns and P3 patterns.
Some embodiments according to the present invention, speed changer T can also include the 6th gear Z13 and the 7th gear Z33, the two
Intermeshing.
In the embodiment shown in fig. 1, be arranged on the first input shaft 1 to the 6th gear Z13 anti-torsions, so as to
First input shaft 1 is rotated with identical speed.6th gear Z13 is arranged in the side of the separate internal combustion engine of second gear Z12.7th
Gear Z33 is rotatably disposed on output shaft 3, can be relatively rotated with output shaft 3.Specifically, the 7th gear Z13 is
The side of the separate internal combustion engine of two synchronizer B is arranged on output shaft 3 so that the second synchronizer B is located at the 5th gear Z32 and
Between seven gear Z33, and it can engage or detach with the 5th gear Z32 or the 7th gear Z33.Second synchronizer B tools as a result,
There are three working conditions, engage (engagement state) with the 5th gear Z32, engage (engagement state), Yi Jiyu with the 7th gear Z33
5th gear Z32 and the 7th gear Z33 are disengaged (discrete state).When being engaged with the 7th gear Z33, the second synchronizer B
It can be synchronous with the rotation of the 7th gear Z33 that can be rotatably set on output shaft 3 by the rotation of output shaft 3.Thus, it is possible to
Gear mesh Z13-Z33 is set to transmit torque between the first input shaft 1 and output shaft 3.
In the embodiments described above, the 5th gear Z32 and the 7th gear Z33 use shared synchronizer.In other realities
It applies in example, can also be that individual synchronizer is respectively set in the 5th gear Z32 and the 7th gear Z33.
Some embodiments according to the present invention, speed changer T further include that eighth gear Z14, the 9th gear Z15 and third are same
Walk device C, wherein eighth gear Z14 and the 9th gear Z34 intermeshings.
In the embodiment shown in fig. 1, be arranged to eighth gear Z14 anti-torsions on the first input shaft 1, so as to
First input shaft 1 is rotated with identical speed.Eighth gear Z14 is arranged in the side of the separate internal combustion engine ICE of the 6th gear Z13
On first input shaft 1.9th gear Z34 is rotatably disposed on output shaft 3, can be relatively rotated with output shaft 3.9th
Gear Z34 is specifically arranged in the side of the separate internal combustion engine ICE of the 7th gear Z33.Third synchronizer C is arranged in output shaft 3
On, positioned at the side of the separate internal combustion engine ICE of the 9th gear Z34, and it can engage or detach with the 9th gear Z34.As a result,
There are two working conditions for third synchronizer C tools, are disengaged with the 9th gear Z34 engagements (engagement state), with the 9th gear Z34
(discrete state).When being engaged with the 9th gear Z34, third synchronizer C by the rotation of output shaft 3 and can be rotatably arranged
The rotation of the 9th gear Z34 on output shaft 3 synchronizes.Thus, it is possible to enable gear mesh Z14-Z34 in the first input shaft 1
Torque is transmitted between output shaft 3.
In the embodiments described above, third synchronizer C is located at the side of the separate internal combustion engine ICE of the 9th gear Z34.
According to other embodiment, third synchronizer C can also be positioned at the side of the close internal combustion engine ICE of the 9th gear Z34.
Some embodiments according to the present invention, speed changer T further include the tenth gear Z15 and the 11st gear Z35, the two phase
Mutually engagement.
In the embodiment shown in fig. 1, be arranged on the first input shaft 1 to the tenth gear Z15 anti-torsions, so as to
First input shaft 1 is rotated with identical speed.Tenth gear Z15 is arranged in the side of the separate internal combustion engine ICE of eighth gear Z14
On first input shaft 1.11st gear Z35 is rotatably disposed on output shaft 3, can be relatively rotated with output shaft 3.The
11 gear Z35 are arranged in the side of the separate internal combustion engine ICE of the 9th gear Z34, and third synchronizer C is made to be located at the 9th gear
Between Z34 and the 11st gear Z35, and it can engage or detach with the 9th gear Z34 or the 11st gear Z35.As a result,
Three synchronizer C tools engage (engagement state) with the 9th gear Z34, engage and (connect with the 11st gear Z35 there are three working condition
Conjunction state) and be disengaged (discrete state) with the 9th gear Z34 and the 11st gear Z35.When with the 11st gear Z35
When engagement, third synchronizer C by the rotation of output shaft 3 and can be rotatably set in the 11st gear Z35 on output shaft 3
Rotation synchronize.Thus, it is possible to which gear mesh Z15-Z35 is enable to transmit torque between the first input shaft 1 and output shaft 3.
In the embodiments described above, the 9th gear Z34 and the 11st gear Z35 use shared synchronizer.At other
Can also be that individual synchronizer is respectively set in the 9th gear Z34 and the 11st gear Z35 in embodiment.
In the embodiments described above, gear mesh Z14-Z34 and gear mesh Z15-Z35 are relative to gear mesh Z13-Z33
It is arranged in the side far from internal combustion engine.In other embodiments, gear mesh Z14-Z34 and gear mesh Z15-Z35 can also be arranged
At other positions, such as it is arranged in the side of the close internal combustion engine of first gear Z11.In addition, in embodiments described above
In, gear mesh Z14-Z34 and gear mesh Z15-Z35 are sequentially arranged far from internal combustion engine.In other embodiments, gear mesh Z15-
Z35 and gear mesh Z14-Z34 are sequentially arranged far from internal combustion engine.
Some embodiments according to the present invention, speed changer T can also include shell (not shown).Motor EM can be arranged
In the shell.Some embodiments according to the present invention, speed changer T can also be arranged in common shell with clutch K.Example
Such as, some embodiments according to the present invention, hybrid electric drive system only include single clutch K, and speed changer T, motor
EM and clutch K are integrated in common shell, to which hybrid electric drive system can have compact structure.
By the way that the mode of operation of internal combustion engine, motor, clutch and each synchronizer is arranged, according to an embodiment of the invention
Hybrid electric drive system multiple-working mode can be provided.The hybrid power driving of embodiment illustrated in fig. 1 is described below
Multiple operating modes of system.The description of multiple operating modes of hybrid electric drive system according to figure 1, this field skill
Art personnel can understand the hybrid gearbox and hybrid power driving of the other embodiment of the present invention according to its operation principle
The operating mode of system.
Fig. 2A to Fig. 2 D shows speed changer and hybrid electric drive system according to an embodiment of the invention in pure motor
Power transmission path (as shown in phantom in FIG.) under drive mode.Under pure motor drive mode, motor EM is as driving vehicle
Traveling sole power source, wherein motor EM works in a motor mode, and internal combustion engine ICE does not work (that is, internal combustion engine ICE
Non- output torque), clutch K separation, the power of motor EM is transmitted to speed changer T via the second input shaft 2.
As shown in Figure 2 A, under a kind of pure motor drive mode, the first synchronizer A, third synchronizer C are in separation shape
State, the second synchronizer B are engaged with the 5th gear Z32.The power of motor EM is via the second input shaft 2, gear mesh Z22- as a result,
Z12-Z32 and the second synchronizer B are transmitted to output shaft 3.
As shown in Figure 2 B, under a kind of pure motor drive mode, the first synchronizer A is engaged with second gear Z12, and second is same
Step device B is engaged with the 7th gear Z33, and third synchronizer C is in discrete state.The power of motor EM is via the second input as a result,
Axis 2, gear mesh Z22-Z12, the first synchronizer A, the first input shaft 1, gear mesh Z13-Z33, the second synchronizer B are transmitted to output
Axis 3.
As shown in Figure 2 C, under a kind of pure motor drive mode, the first synchronizer A is engaged with second gear Z12, and second is same
Step device B is in discrete state, and third synchronizer C is engaged with the 9th gear Z34.As a result, the second input shaft of power 2 of motor EM,
Gear mesh Z22-Z12, the first synchronizer A, the first input shaft 1, gear mesh Z14-Z34, third synchronizer C are transmitted to output shaft 3.
As shown in Figure 2 D, under a kind of pure motor drive mode, the first synchronizer A is engaged with second gear Z12, and second is same
Step device B is in discrete state, and third synchronizer C is engaged with the 11st gear Z35.The power of motor EM is defeated via second as a result,
Enter axis 2, gear mesh Z22-Z12, the first synchronizer A, the first input shaft 1, gear mesh Z15-Z35, third synchronizer C be transmitted to it is defeated
Shaft 3.
In addition to pure motor drive mode shown in Fig. 2A -2D, hybrid gearbox according to an embodiment of the invention and
Hybrid electric drive system further includes other pure motor drive modes.
The pure motor drive mode shown in Fig. 2A -2D is it is found that hybrid gearbox according to an embodiment of the invention
Multiple gear variations can be realized under pure motor drive mode with hybrid electric drive system so that vehicle drives in pure electric vehicle machine
Driving gear can be selected under dynamic model formula according to different loads, to have higher drive efficiency.
In addition, pure motor drive mode as shown in fig. 2 a-2d can be realized when motor rotates forward.It is driven in these pure motors
Under dynamic model formula, when motor reversal, speed changer T can also be provided for vehicle and be reversed gear accordingly.For example, can be by shown in Fig. 2A
Pure motor drive mode provide and reverse gear for vehicle.In this way, hybrid gearbox according to the present invention and hybrid power driving
System can realize reversing under pure motor mode.
Fig. 3 A to Fig. 3 E schematically show speed changer and hybrid electric drive system according to an embodiment of the invention
Power transmission path under internal combustion engine drive mode (as shown in the imaginary point line in each figure).In internal combustion engine drive mode, internal combustion
Machine ICE is the power source for driving vehicle traveling, and wherein motor EM does not work, internal combustion engine ICE work, clutch K engagements, internal combustion engine
The power of ICE is transmitted to the first input shaft 1 of speed changer T via clutch K.
As shown in Figure 3A, under a kind of internal combustion engine drive mode, the first synchronizer A is engaged with first gear Z11, and second is same
Step device B is engaged with the 5th gear Z32, and third synchronizer C is in discrete state.The power of internal combustion engine ICE is via as a result,
One input shaft 1, the first synchronizer A, gear mesh Z11-Z21-Z22-Z12-Z32, the second synchronizer B are transmitted to output shaft 3.
As shown in Figure 3B, under a kind of internal combustion engine drive mode, the first synchronizer A engages with second gear Z12, second same
Step device B is engaged with the 5th gear Z32, and third synchronizer C is in discrete state.The power of internal combustion engine ICE is via as a result,
One input shaft 1, the first synchronizer A, gear mesh Z12-Z32, the second synchronizer B are transmitted to output shaft 3.
As shown in Figure 3 C, under a kind of internal combustion engine drive mode, the first synchronizer A is in discrete state, the second synchronizer B
It is engaged with the 7th gear Z33, third synchronizer C is in discrete state.The power of internal combustion engine ICE is via the first input shaft as a result,
1, gear mesh Z13-Z33 and the second synchronizer B are transmitted to output shaft 3.
As shown in Figure 3D, under a kind of internal combustion engine drive mode, the first synchronizer A, the second synchronizer B are in separation shape
State, third synchronizer C are engaged with the 9th gear Z34.The power of internal combustion engine ICE is via the first input shaft 1, gear mesh as a result,
Z14-Z34 and third synchronizer C are transmitted to output shaft 3.
As shown in FIGURE 3 E, under a kind of internal combustion engine drive mode, the first synchronizer A, the second synchronizer B are in separation shape
State, third synchronizer C are engaged with the 11st gear Z35.The power of internal combustion engine ICE is via the first input shaft 1, gear mesh as a result,
Z15-Z35 and third synchronizer C are transmitted to output shaft 3.
Hybrid gearbox and hybrid electric drive system according to the present invention, are not provided for internal combustion engine drive mode
Reverse-gear group and corresponding synchronizer.Under internal combustion engine drive mode, by controlling internal combustion engine ICE, motor EM, clutch
The state of K and synchronizer A, B, C realize the reversing of vehicle by pure motor-driven reverse mode.Thus, it is possible to omit machine
Tool reverse gear group and corresponding synchronizer can reduce complexity and manufacturing cost, compress occupied space.
Fig. 4 A to Fig. 4 E schematically show speed changer and hybrid electric drive system according to an embodiment of the invention
Combination drive pattern power transmission path (as in figure dotted line and imaginary point line shown in).Under combination drive pattern, internal combustion
Power sources of the machine ICE and motor EM collectively as driving vehicle traveling.Specifically, motor EM works in a motor mode, interior
Combustion engine ICE work, clutch K engagements, the power of internal combustion engine ICE are transmitted to the first input shaft 1 of speed changer T via clutch K,
And the power of motor EM is transmitted to the second input shaft 2 of speed changer T via the second input shaft 2.
As shown in Figure 4 A, under a kind of combination drive pattern, the first synchronizer A is engaged with first gear Z11, and second synchronizes
Device B is engaged with the 5th gear Z32, and third synchronizer C is in discrete state.As shown in dotted line in Fig. 4 A, motor EM's is dynamic
Power is transmitted to third gear Z21 via the second input shaft 2；As shown in imaginary point line in Fig. 4 B, the power of internal combustion engine ICE is via first
Input shaft 1, the first synchronizer A, gear mesh Z11-Z21 are transmitted to third gear Z21；The power of motor EM and internal combustion engine ICE's
Power couples at third gear Z21, and the power of coupling is synchronized via the second input shaft 2, gear mesh Z22-Z12-Z32, second
Device B is transmitted to output shaft 3.
As shown in Figure 4 B, under a kind of combination drive pattern, the first synchronizer A is engaged with second gear Z12, and second synchronizes
Device B is engaged with the 5th gear Z32, and third synchronizer C is in discrete state.As shown in dashed lines in fig. 4b, motor EM's is dynamic
Power is transmitted to the first input shaft 1 via the second input shaft 2, gear mesh Z22-Z12, the first synchronizer A；Such as imaginary point line institute in Fig. 4 B
Show, the power of internal combustion engine ICE is transmitted to the first input shaft 1, and coupling occurs with the power of motor EM at the first synchronizer A
It closes, the power of coupling is transmitted to output shaft 3 via gear mesh Z12-Z32, the second synchronizer B.
As shown in Figure 4 C, under a kind of combination drive pattern, the first synchronizer A is in discrete state, the second synchronizer B with
5th gear Z32 engagements, and third synchronizer C is engaged with the 9th gear Z34.As shown in dotted line in Fig. 4 C, motor EM's is dynamic
Power is transmitted to output shaft 3 via the second input shaft 2, gear mesh Z22-Z12-Z32, the second synchronizer B；Such as imaginary point line institute in Fig. 4 C
Show, the power of internal combustion engine ICE is transmitted to output shaft 3 via the first input shaft 1, gear mesh Z14-Z34, third synchronizer C.By
This, the power of motor EM and the power of internal combustion engine ICE couple at output shaft 3, same in particular by the second synchronizer B and third
Walk device C couplings.
As shown in Figure 4 D, under a kind of combination drive pattern, the first synchronizer A is in discrete state, the second synchronizer B with
5th gear Z32 engagements, and third synchronizer C is engaged with the 11st gear Z35.As shown in dotted line in Fig. 4 D, motor EM's
Power is transmitted to output shaft 3 via the second input shaft 2, gear mesh Z22-Z12-Z32, the second synchronizer B；Such as imaginary point line in Fig. 4 D
Shown, the power of internal combustion engine ICE is transmitted to output shaft 3 via the first input shaft 1, gear mesh Z15-Z35, third synchronizer C.By
This, the power of motor EM and the power of internal combustion engine ICE couple at transmission output shaft, in particular by the second synchronizer B and
The C couplings of third synchronizer.
As shown in Figure 4 E, under a kind of combination drive pattern, the first synchronizer A is engaged with second gear Z12, and second synchronizes
Device B is in discrete state, and third synchronizer C is engaged with the 9th gear Z34.As shown in dotted line in Fig. 4 E, motor EM's is dynamic
Power is transmitted to the first input shaft 1 via the second input shaft 2, gear mesh Z22-Z12, the first synchronizer A；Such as imaginary point line institute in Fig. 4 E
Show, the power of internal combustion engine ICE is transmitted to the first input shaft 1, and at the first input shaft 1 specifically at the first synchronizer A
It is coupled with the power of motor EM, the power after coupling is transmitted to output shaft via gear mesh Z14-Z34, third synchronizer C
3。
Under combination drive pattern as illustrated in figures 4 a-4e, internal combustion engine ICE and motor EM can output torque drivings simultaneously
Vehicle wheel rotation.Torque compensation function can be set as a result, to be carried out for one of internal combustion engine ICE and motor EM in speed changer T
When shift, another one can provide torque compensation, torque break when avoiding shift on transmission output shaft, vehicle when making shift
Traveling is more steady.Specifically, the combination drive pattern shown in Fig. 4 A-4D it is found that when speed changer T for internal combustion engine ICE into
When row shift, motor EM can provide torque compensation.In addition, the combination drive pattern shown in Fig. 4 C and 4E is it is found that work as speed changer T
When being shifted gears for motor EM, internal combustion engine ICE can provide torque compensation.
The motor that Fig. 5 schematically shows speed changer and hybrid electric drive system according to an embodiment of the invention drives
The power transmission path (as shown in phantom in FIG.) of internal combustion engine start pattern under dynamic transport condition.
In the case where motor drives the internal combustion engine start pattern under transport condition, motor EM works in a motor mode, motor
A part of power of EM outputs is used for that vehicle is driven to travel, and another part power is used for starting internal combustion engine ICE, so that internal combustion engine
ICE interventions provide power needed for vehicle traveling.
In the exemplary embodiment, as motor EM with mode activated vehicle as shown in Figure 2 A when driving, so that clutch K is connect
It closes, the first synchronizer A is engaged with first gear Z11, and the second synchronizer B is engaged with the 5th gear Z32, and third synchronizer C is in
Discrete state.An output torque part of motor EM is via the second input shaft 2, gear mesh Z22-Z12-Z32, second same as a result,
Step device B is transmitted to output shaft 3 to drive vehicle wheel rotation, and another part is then via the second input shaft 2, gear mesh Z21-Z11, first
Synchronizer A, the first input shaft 1, clutch K are transmitted to the output shaft of internal combustion engine ICE, thus start internal combustion engine ICE.
Hybrid gearbox and hybrid electric drive system according to the present invention as a result, need not be arranged additional electricity
Machine starts internal combustion engine, keeps the structure simpler.
According to other embodiments of the invention, motor EM can also with mode activated vehicle shown in Fig. 2 B-2D when driving
Start internal combustion engine ICE.Thus, it is possible to select different gear ratios according to actual demand to start engine, starting efficiency is improved.
It should be understood that Fig. 2A to Fig. 5 is merely exemplary to show hybrid gearbox and hybrid power driving according to the present invention
The a few thing pattern of system.By setting the different conditions of the synchronizer in internal combustion engine, motor, clutch and speed changer, mix
For example other pure motor drive modes, other combination drive patterns, stopping for charging mould can also be provided by closing power-driven system
Other operating modes such as formula, recycling charging.
While the invention has been described with reference to exemplary embodiments thereof, however, it is understood that the present invention is not limited to above-mentioned realities
Apply the construction and method of example.On the contrary, it is intended to cover various modifications example and equivalent arrangements.In addition, although in various examples
Property combination and construction in show the various elements and method and step of disclosed invention, but include more, less element
Or other combinations of method are also fallen within the scope of the present invention.
Claims (10)
1. a kind of hybrid gearbox (T) for hybrid electric drive system, the hybrid electric drive system includes interior
Combustion engine (ICE), motor (EM) and clutch (K), the hybrid gearbox (T) include：
First input shaft (1) is used to be connected to the output shaft of the internal combustion engine (ICE) by the clutch (K)；
Second input shaft (2), is used to be connected to the output shaft of the motor (EM)；
Transmission output shaft (3)；
First gear (Z11) and second gear (Z12) are rotatably disposed on first input shaft (1)；
Third gear (Z21) and the 4th gear (Z22) are arranged in anti-torsion on second input shaft (2), wherein described
Third gear (Z21) is engaged with the first gear (Z11), and the 4th gear (Z22) and the second gear (Z12)
Engagement；
5th gear (Z32), be rotatably disposed on the transmission output shaft (3) and with the second gear
(Z12) it engages；
First synchronizer (A) is arranged on first input shaft (1), is located at the first gear (Z11) and described second
Between gear (Z12), and it is constructed to be permeable to engage or detach with the first gear (Z11) or the second gear (Z12)；
With
Second synchronizer (B) is arranged on the transmission output shaft (3), and is constructed to be permeable to and the 5th gear
(Z32) it engages or detaches.
2. hybrid gearbox (T) according to claim 1, wherein
The output shaft of second input shaft (2) and the motor (EM) is coaxially arranged and antitorque connection.
3. hybrid gearbox (T) according to claim 2, wherein
Second input shaft (2) is arranged in parallel with first input shaft (1).
4. hybrid gearbox (T) according to any one of claim 1-3, further includes：
6th gear (Z13) is arranged in anti-torsion on first input shaft (1)；With
7th gear (Z33) is rotatably disposed on the transmission output shaft (3) so that second synchronizer (B)
And it can be with the 5th gear (Z32) or described between the 5th gear (Z32) and the 7th gear (Z33)
7th gear (Z33) engages or separation, wherein the 7th gear (Z33) is engaged with the 6th gear (Z13).
5. hybrid gearbox (T) according to claim 4, further includes：
Eighth gear (Z14) is arranged in anti-torsion on first input shaft (1)；
9th gear (Z34) is rotatably disposed on the transmission output shaft (3), and with the eighth gear
(Z14) it engages；With
Third synchronizer (C) is arranged on the transmission output shaft (3), is located at axial the one of the 9th gear (Z34)
Side and can with the 9th gear (Z34) engage or detach.
6. hybrid gearbox (T) according to claim 5, further includes：
Tenth gear (Z15) is arranged in anti-torsion on first input shaft (1)；With
11st gear (Z35) is rotatably disposed on the transmission output shaft (3) so that the third synchronizer
(C) between the 9th gear (Z34) and the 11st gear (Z35), and can be with the 9th gear (Z34)
Or the 11st gear (Z35) engages or separation, wherein the 11st gear (Z35) is nibbled with the tenth gear (Z15)
It closes.
7. hybrid gearbox (T) according to any one of claim 1-3, wherein the hybrid gearbox
(T) it is arranged in common shell with the motor (EM).
8. hybrid gearbox (T) according to any one of claim 1-3, wherein the hybrid drive train
System includes single clutch (K), and the hybrid gearbox (T) is arranged with the clutch (K) in common shell.
9. a kind of hybrid electric drive system, including：
Hybrid gearbox (T) according to any one of claim 1 to 8；
Internal combustion engine (ICE)；
Motor (EM)；With
Clutch (K), between the internal combustion engine (ICE) and the hybrid gearbox (T),
Wherein, the output shaft of the internal combustion engine (ICE) is connected to the hybrid gearbox (T) by the clutch (K)
The first input shaft (1), the output shaft of the motor (EM) is connected to the second input shaft of the hybrid gearbox (T)
(2)。
10. a kind of vehicle comprising hybrid electric drive system according to claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810310828.5A CN108644321A (en) | 2018-04-09 | 2018-04-09 | Hybrid transmission, hybrid drive system and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810310828.5A CN108644321A (en) | 2018-04-09 | 2018-04-09 | Hybrid transmission, hybrid drive system and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108644321A true CN108644321A (en) | 2018-10-12 |
Family
ID=63745530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810310828.5A Pending CN108644321A (en) | 2018-04-09 | 2018-04-09 | Hybrid transmission, hybrid drive system and vehicle |
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| Country | Link |
|---|---|
| CN (1) | CN108644321A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110217093A (en) * | 2019-05-08 | 2019-09-10 | 闫龙举 | A kind of hybrid electric drive system and its vehicle |
| CN113212149A (en) * | 2020-02-06 | 2021-08-06 | 德尔福科技工业生产有限公司 | Hybrid power transmission system |
-
2018
- 2018-04-09 CN CN201810310828.5A patent/CN108644321A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110217093A (en) * | 2019-05-08 | 2019-09-10 | 闫龙举 | A kind of hybrid electric drive system and its vehicle |
| CN113212149A (en) * | 2020-02-06 | 2021-08-06 | 德尔福科技工业生产有限公司 | Hybrid power transmission system |
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Application publication date: 20181012 |