CN209159402U - Hybrid electric drive system and vehicle - Google Patents

Abstract

The utility model discloses hybrid electric drive system and vehicles, engine is connected with the first, second and third input shaft respectively by the first, second and third clutch, first and second motor is connected with third input shaft and output shaft respectively, first input shaft is connected to output shaft by the first and second gear set, second input shaft is connected to output shaft by third and fourth gear set, and third input shaft is connected to output shaft by the 5th gear set；First and second gear set can be engaged between the first input shaft and output shaft by the first synchronizer, third and fourth gear set can be engaged between the second input shaft and output shaft by the second synchronizer, 5th gear set can be engaged between third input shaft and output shaft by third synchronizer, engine carries out the power output of five gear speed ratios by five groups of gear sets, first motor and the second motor can generate electricity or drive, driving electricity can be carried out the output of two gear speed ratios, realize multiple drive modes, energy transmission loss is less, and work efficiency is high for system.

Description

Hybrid electric drive system and vehicle

Technical field

The utility model belongs to technical field of hybrid power, more particularly to a kind of hybrid electric drive system and vehicle.

Background technique

Hybrid power system can improve vehicle economy in several ways.For example, engine can be in idling, deceleration Or closed during braking, it is travelled using pure electric drive mode, to eliminate the loss in efficiency as caused by engine drag.In addition, It is generated by regenerative braking or by the motor energy that power generation is stored in power battery during engine operation, can be driven in pure electricity It is utilized under dynamic model formula, or supplements torque or the power of engine under combination drive mode.

Hybrid vehicle can be driven in conjunction at least two different power, at present major part hybrid electric vehicle It is all using oil electric mixed dynamic system, which includes obtaining the engine of power from fuel oil and being driven by electric power Dynamic motor.In order to improve the efficiency of combustion of engine, the hybrid power system of many automobile vendor's exploitations to the full extent It all uses bi-motor structure and also adds a generator that is, in addition to driving motor.Due to existing simultaneously engine, power generation Machine and driving motor, connection and control between three will directly affect the performance of hybrid vehicle.

Existing hybrid electric drive system, including engine, power motor, auxiliary-motor, the first input shaft, the second input Axis, the first output shaft and the second output shaft, engine output power to the wheel of hybrid vehicle by double clutch, the Two input shafts are coaxially set on the first input shaft, and engine is arranged to be selectively engageable first by double clutch defeated Enter one in axis and the second input shaft, gear is provided on each input shaft in the first input shaft and the second input shaft actively Gear, the first output shaft and the second output shaft are arranged in parallel with the first input shaft, every in the first output shaft and the second output shaft Gear driven gear is provided on a output shaft, gear driven gear is accordingly engaged with gear driving gear, and power motor is set It is set to and is connected with engine and generates electricity under the drive of engine with the first input shaft or the linkage of the second input shaft, auxiliary-motor To realize to power battery charging；Although being provided with two motors, two motors are functionally distinguished, power motor It is only used for driving, auxiliary-motor is only used for generating electricity, and charge efficiency is low, and engine, only there are two power output gear, electricity drives only There is a power output gear, hybrid electric drive system effectively cannot be maintained at high efficiency range work.

In addition, existing hybrid power system is difficult to solve low speed and middle low speed engine efficiency, electric equilibrium simultaneously Problem and high engine speeds dynamic property problem.Engine is difficult work in fuel-economy section, and vehicle economy is poor.

Utility model content

The technical problem to be solved by the utility model is to the problem poor for existing scheme vehicle economy, provides A kind of hybrid electric drive system and vehicle.

In order to solve the above technical problems, on the one hand, the utility model embodiment provides a kind of hybrid electric drive system, wrap Include engine, first motor, the second motor, first clutch, second clutch, third clutch, the first input shaft, second defeated Enter axis, third input shaft, output shaft, first gear group, second gear group, third gear set, the 4th gear set, the 5th gear Group, the first synchronizer, the second synchronizer and third synchronizer；

The engine by the first clutch, the second clutch and the third clutch respectively with it is described First input shaft, second input shaft are connected with the third input shaft；

The first motor is connected with the third input shaft；

Second motor is connected with the output shaft；

First input shaft is connected to the output shaft by the first gear group and the second gear group；And institute It states the first synchronizer and one group in the first gear group and the second gear group is operably coupled to first input shaft Between the output shaft, or simultaneously switch off connection of the first gear group to first input shaft and the output shaft And connection of the second gear group to first input shaft and the output shaft；

Second input shaft is connected to the output shaft by the third gear set and the 4th gear set；And institute It states the second synchronizer and one group in the third gear set and the 4th gear set is operably coupled to second input shaft Between the output shaft, or simultaneously switch off connection of the third gear set to second input shaft and the output shaft And connection of the 4th gear set to second input shaft and the output shaft；

The third input shaft is connected to the output shaft by the 5th gear set；And the third synchronizer is by institute It states the 5th gear set to be operably coupled between the third input shaft and the output shaft, or disconnects the 5th gear set pair The connection of the third input shaft and the output shaft；

The first gear group, the second gear group, third gear set, the 4th gear set and the 5th gear set corresponding five Keep off speed ratio.

On the other hand, the utility model embodiment also provides a kind of vehicle comprising above-mentioned hybrid electric drive system.

The hybrid electric drive system and vehicle of the utility model embodiment, by controlling first clutch, the second clutch Device, the engagement of third clutch or disconnection and the engagement or disconnection of the first synchronizer, the second synchronizer, third synchronizer, start The power of machine can be optionally through first gear group, second gear group, third gear set, the 4th gear set and the 5th gear A gear set in group transmits power to output shaft, so that engine be made to can be carried out the output of five gear speed ratios, selective land productivity Output shaft is transmitted power to one in first motor and the second motor, so that motor driven can be carried out two gear speed ratios Output, first motor and the second motor can be used in generating electricity or drive, can be realized pure electric drive mode, series drive mode, Parallel drive mode and engine direct driving mode, and many of drive mode has multiple gears, can satisfy and starts The different driving force request of machine makes engine operation in the section with higher fuel economy, energy transmission damage as much as possible Lose less, work efficiency is high for system, so as to improve vehicle economy；Can by first clutch, second clutch, third from Clutch, the first synchronizer, the second synchronizer and third synchronizer disconnect unwanted power path as needed, reduce engine It directly drives, first motor or load when the second motor driven, further increases vehicle economy；The hybrid drive train System, structure is simple, compact, and the amount of parts used is less, reduces the complex degree of structure of hybrid electric drive system, mentions High system effectiveness.

Detailed description of the invention

Fig. 1 is the structure diagram one of hybrid electric drive system provided by the embodiment of the utility model；

Fig. 2 is the structure diagram two of hybrid electric drive system provided by the embodiment of the utility model；

Fig. 3 is the partial structurtes schematic diagram of hybrid electric drive system shown in FIG. 1；

Fig. 4 is power transmission line figure of the hybrid electric drive system shown in Fig. 3 under the first pure electric vehicle drive mode；

Fig. 5 is power transmission line figure of the hybrid electric drive system shown in Fig. 3 under the second pure electric vehicle drive mode；

Fig. 6 is power transmission line figure of the hybrid electric drive system shown in Fig. 3 under third pure electric vehicle drive mode；

Fig. 7 is power transmission line figure of the hybrid electric drive system shown in Fig. 3 under series drive mode；

Fig. 8 is power transmission line figure one of the hybrid electric drive system shown in Fig. 3 under the first parallel drive mode；

Fig. 9 is power transmission line figure two of the hybrid electric drive system shown in Fig. 3 under the first parallel drive mode；

Figure 10 is power transmission line figure of the hybrid electric drive system shown in Fig. 3 under the second parallel drive mode One；

Figure 11 is power transmission line figure of the hybrid electric drive system shown in Fig. 3 under the second parallel drive mode Two；

Figure 12 is power transmission line figure of the hybrid electric drive system shown in Fig. 3 under third parallel drive mode；

Figure 13 is power transmission line figure of the hybrid electric drive system shown in Fig. 3 under the 4th parallel drive mode One；

Figure 14 is power transmission line figure of the hybrid electric drive system shown in Fig. 3 under the 4th parallel drive mode Two；

Figure 15 is power transmission line figure of the hybrid electric drive system shown in Fig. 3 under the 5th parallel drive mode One；

Figure 16 is power transmission line figure of the hybrid electric drive system shown in Fig. 3 under the 5th parallel drive mode Two；

Figure 17 is power transmission line figure of the hybrid electric drive system shown in Fig. 3 under the 6th parallel drive mode；

Figure 18 is power transmission line figure of the hybrid electric drive system shown in Fig. 3 under the 7th parallel drive mode One；

Figure 19 is power transmission line figure of the hybrid electric drive system shown in Fig. 3 under the 7th parallel drive mode Two；

Figure 20 is power transmission line figure of the hybrid electric drive system shown in Fig. 3 under the 8th parallel drive mode One；

Figure 21 is power transmission line figure of the hybrid electric drive system shown in Fig. 3 under the 8th parallel drive mode Two；

Figure 22 is power transmission line figure of the hybrid electric drive system shown in Fig. 3 under the 9th parallel drive mode；

Figure 23 is that power of the hybrid electric drive system shown in Fig. 3 under the first engine direct driving mode transmits road Line chart one；

Figure 24 is that power of the hybrid electric drive system shown in Fig. 3 under the first engine direct driving mode transmits road Line chart two；

Figure 25 is that power of the hybrid electric drive system shown in Fig. 3 under the second engine direct driving mode transmits road Line chart one；

Figure 26 is that power of the hybrid electric drive system shown in Fig. 3 under the second engine direct driving mode transmits road Line chart two；

Figure 27 is that power of the hybrid electric drive system shown in Fig. 3 under third engine direct driving mode transmits road Line chart；

Figure 28 is that power of the hybrid electric drive system shown in Fig. 3 under the 4th engine direct driving mode transmits road Line chart one；

Figure 29 is that power of the hybrid electric drive system shown in Fig. 3 under the 4th engine direct driving mode transmits road Line chart two；

Figure 30 is that power of the hybrid electric drive system shown in Fig. 3 under the 5th engine direct driving mode transmits road Line chart one；

Figure 31 is that power of the hybrid electric drive system shown in Fig. 3 under the 5th engine direct driving mode transmits road Line chart two；

Figure 32 is that power of the hybrid electric drive system shown in Fig. 3 under the 6th engine direct driving mode transmits road Line chart；

Figure 33 is the structure diagram of vehicle provided by the embodiment of the utility model.

Appended drawing reference in specification is as follows:

1, engine；2, first motor；3, the second motor；4, first clutch；5, second clutch；6, third clutch Device；7, the first input shaft；8, the second input shaft；9, third input shaft；11, output shaft；

12, first gear group；121, the first driving gear；122, the first driven gear；

13, second gear group；131, the second driving gear；132, the second driven gear；

14, third gear set；141, third driving gear；142, third driven gear；

15, the 4th gear set；151, the 4th driving gear；152, the 4th driven gear；

16, the 5th gear set；161, the 5th driving gear；162, the 5th driven gear；

17, the first synchronizer；18, the second synchronizer；19, third synchronizer；20, the second planetary gear mechanism；21, master subtracts Fast device；22, differential mechanism；23, wheel；

100, vehicle；200, hybrid electric drive system.

Specific embodiment

The technical issues of in order to keep the utility model solved, technical solution and beneficial effect are more clearly understood, below In conjunction with accompanying drawings and embodiments, the utility model is described in further detail.It should be appreciated that specific reality described herein It applies example to be only used to explain the utility model, is not used to limit the utility model.

First embodiment

Also referring to the hybrid electric drive system that Fig. 1 to Fig. 3, the utility model first embodiment are provided, including hair Motivation 1, first motor 2, the second motor 3, first clutch 4, second clutch 5, third clutch 6, the first input shaft 7, Two input shafts 8, third input shaft 9, output shaft 11, first gear group 12, second gear group 13, third gear set 14, the 4th tooth Wheel group 15, the 5th gear set 16, the first synchronizer 17, the second synchronizer 18 and third synchronizer 19；

Engine 1 by first clutch 4, second clutch 5 and third clutch 6 respectively with the first input shaft 7, second Input shaft 8 is connected with third input shaft 9；

First motor 2 is connected with third input shaft 9；

Second motor 3 is connected with output shaft 11；

First input shaft 7 is connected to output shaft 11 by first gear group 12 and second gear group 13；And first synchronizer One group in first gear group 12 and second gear group 13 is operably coupled between the first input shaft 7 and output shaft 11 (letter by 17 The first synchronizer 17 is claimed to engage), or first gear group 12 is simultaneously switched off to the connection of the first input shaft 7 and output shaft 11 and the Connection of two gear sets 13 to the first input shaft 7 and output shaft 11 (referred to as the first synchronizer 17 disconnects)；

Second input shaft 8 is connected to output shaft 11 by third gear set 14 and the 4th gear set 15；And second synchronizer One group in third gear set 14 and the 4th gear set 15 is operably coupled between the second input shaft 8 and output shaft 11 (letter by 18 The second synchronizer 18 is claimed to engage), or third gear set 14 is simultaneously switched off to the connection of the second input shaft 8 and output shaft 11 and the Connection of four gear sets 15 to the second input shaft 8 and output shaft 11 (referred to as the second synchronizer 18 disconnects)；

Third input shaft 9 is connected to output shaft 11 by the 5th gear set 16；And third synchronizer 19 is by the 5th gear set 16 are operably coupled between third input shaft 9 and output shaft 11 (abbreviation third synchronizer 19 engages), or disconnect the 5th gear The connection (disconnection of abbreviation third synchronizer 19) of group 16 pairs of third input shafts 9 and output shaft 11；

First gear group 12, second gear group 13, third gear set 14, the 4th gear set 15 and the 5th gear set 16 are corresponding Five gear speed ratios.

In the application, effectively connection refers to the connection that can be realized power transmitting.

Pass through control first clutch 4, second clutch 5, the engagement of third clutch 6 or disconnection and the first synchronizer 17, the power of the engagement or disconnection of the second synchronizer 18, third synchronizer 19, engine 1 can be optionally through the first tooth Gear set transmitting in wheel group 12, second gear group 13, third gear set 14, the 4th gear set 15 and the 5th gear set 16 Power is to output shaft 11, to make engine 1 can be carried out the output of five gear speed ratios, optionally by first motor 2 and second One in motor 3 transmits power to output shaft 11, so that motor driven can be carried out the output of two gear speed ratios, first motor 2 and second motor 3 can be used in generate electricity or drive, can be realized pure electric drive mode, series drive mode, parallel drive mode With engine direct driving mode, and many of drive mode have multiple gears, can satisfy the different driving of engine 1 Force request, makes the work of engine 1 in the section with higher fuel economy as much as possible, and energy transmission loses less, system Work efficiency is high, so as to improve vehicle economy；First clutch 4, second clutch 5, third clutch 6, can be passed through One synchronizer 17, the second synchronizer 18 and third synchronizer 19 disconnect unwanted power path as needed, reduce engine Directly drive, first motor 2 or the second motor 3 driving when load, further increase vehicle economy；Hybrid power driving System, structure is simple, compact, and the amount of parts used is less, reduces the complex degree of structure of hybrid electric drive system, Improve system effectiveness.

In addition, referring to Fig. 1, the hybrid electric drive system further includes that may also include main reducing gear 21 and differential mechanism 22, Main reducing gear 21 is connected to the output end of output shaft 11, and differential mechanism 22 is connected between main reducing gear 21 and wheel 23, will with this The power of output shaft 11 is transferred to wheel 23 by main reducing gear 21 and differential mechanism 22, drives vehicle driving.Certainly, output shaft 11 It is also settable for transmitting the output link of power between main reducing gear 21.

Preferably, referring to Fig. 1, first gear group 12 includes 121 He of the first driving gear on the first input shaft 7 The first driven gear 122 on output shaft 11, the first driving gear 121 are engaged with the first driven gear 122；

Second gear group 13 includes the second driving gear 131 on the first input shaft 7 and on output shaft 11 Second driven gear 132, the second driving gear 131 are engaged with the second driven gear 132；

Third gear set 14 includes third driving gear 141 on the second input shaft 8 and on output shaft 11 Third driven gear 142, third driving gear 141 are engaged with third driven gear 142；

4th gear set 15 includes the 4th driving gear 151 on the second input shaft 8 and on output shaft 11 4th driven gear 152, the 4th driving gear 151 are engaged with the 4th driven gear 152；

5th gear set 16 includes the 5th driving gear 161 on the third input shaft 9 and on output shaft 11 5th driven gear 162, the 5th driving gear 161 are engaged with the 5th driven gear 162.

Preferably, referring to Fig. 1, the first synchronizer 17 is set on output shaft 11, the first driven gear 122 and second is driven Gear 132 is rotatably arranged on output shaft 11；Structure is simple, compact, is conducive to the miniaturization of hybrid electric drive system.

Preferably, referring to Fig. 1, the second synchronizer 18 is set on output shaft 11, third driven gear 142 and the 4th is driven Gear 152 is rotatably arranged on output shaft 11；Structure is simple, compact, is conducive to the miniaturization of hybrid electric drive system.

Preferably, referring to Fig. 1, third synchronizer 19 is set on third input shaft 9, the 5th driving gear 161 be can be rotated Ground is set on third input shaft 9 or third synchronizer 19 is set on output shaft 11, and the 5th driven gear 162 is rotatably arranged in On output shaft 11；To reduce the load when driving of the second motor 3, preferably third synchronizer 19 is set on output shaft 11.

Preferably, referring to Fig. 1, first clutch 4, second clutch 5 and third clutch 6 are three clutch of integrated form Device, the first input shaft 7 and the second input shaft 8 are hollow shaft, and the first input shaft 7 is rotatably arranged in the axis of the second input shaft 8 In hole, third input shaft 9 is rotatably arranged in the axis hole of the first input shaft 7；Structure is simple, compact, is conducive to hybrid power The miniaturization of drive system reduces energy transmission loss to the greatest extent.

Preferably, hybrid electric drive system further includes speed increasing gear group (not shown), and third input shaft 9 passes through speedup tooth Wheel group connects first motor 2, can be improved the charge efficiency that engine 1 drives first motor 2 to charge.

It is highly preferred that speed increasing gear group is first planetary gear mechanism；

First planetary gear mechanism includes the first sun gear, first planet carrier and the first gear ring；

A fixed setting in first sun gear, first planet carrier and the first gear ring, other two is defeated with third respectively Enter axis 9 to be connected with first motor 2.Simplify structure, so that hybrid electric drive system characteristics of compact layout, improves transmission efficiency.

Preferably, referring to Fig. 1, hybrid electric drive system further includes train of reduction gears, the second motor 3 passes through reducing gear Wheel group connects output shaft 11.

It is highly preferred that train of reduction gears is the second planetary gear mechanism 20；

Second planetary gear mechanism 20 includes the second sun gear, the second planet carrier and the second gear ring；

A fixed setting in second sun gear, the second planet carrier and the second gear ring, other two is electric with second respectively Machine 3 is connected with output shaft 11.

One not be connected with output shaft 11 or the second motor 3 in second sun gear, the second planet carrier and the second gear ring It is fixed.Simplify structure, so that hybrid electric drive system characteristics of compact layout, improves transmission efficiency.

Wherein, first clutch 4, second clutch 5, third clutch 6, the first synchronizer 17, the second synchronizer 18, Three synchronizers 19, first gear group 12, second gear group 13, third gear set 14, the 4th gear set 15 and the 5th gear set 16 It is also indicated respectively with C1, C2, C3, S1, S2, S3, GS1, GS2, GS3, GS4 and GS5 on the diagram.

The hybrid electric drive system that first embodiment provides has following multiple drive modes: 3 pure electric drive modes (the first pure electric drive mode, the second pure electric drive mode and the pure electric drive mode of third), series drive mode, 9 drives in parallel Dynamic model formula (the first parallel drive mode, the second parallel drive mode, third parallel drive mode, the 4th parallel drive mode, Five parallel drive modes, the 6th parallel drive mode, the 7th parallel drive mode, the 8th parallel drive mode and the 9th are in parallel to drive Dynamic model formula), 6 engine direct driving modes (the first engine direct driving mode, the second engine direct driving mode, Third engine direct driving mode, the 4th engine direct driving mode, the 5th engine direct driving mode and the 6th hair Motivation direct driving mode).Operation logic under each drive mode is as shown in table 1.

Operation logic table (first embodiment) under each drive mode of table 1

Hereinafter, the power transmission line under each drive mode is described in detail in conjunction with Fig. 4 to Figure 32.

(1) first pure electric drive mode

It disconnects first clutch 4, second clutch 5 and third clutch 6, the first synchronizer 17 and simultaneously switches off first gear Connection of the connection and second gear group 13 of 12 pairs of third input shafts 9 of group and output shaft 11 to third input shaft 9 and output shaft 11, It is right to the connection of the second input shaft 8 and output shaft 11 and the 4th gear set 15 that second synchronizer 18 simultaneously switches off third gear set 14 The connection of second input shaft 8 and output shaft 11, third synchronizer 19 by the 5th gear set 16 be operably coupled to third input shaft 9 with Between output shaft 11, engine 1 does not work, and first motor 2 drives, and the second motor 3 does not work, to establish the first pure electric drive mould Formula；

Referring to Fig. 4, the power transmission line under the drive mode are as follows: first motor 2- > third input shaft 9- > the 5th Gear set 16- > third synchronizer 19- > output shaft 11 exports；

Under the first pure electric drive mode, hybrid electric drive system is driven using first motor 2 merely, disconnects the One clutch 4, second clutch 5, third clutch 6, the first synchronizer 17 and the second synchronizer 18, advantageously reduce load.

(2) second pure electric drive modes

It disconnects first clutch 4, second clutch 5 and third clutch 6, the first synchronizer 17 and simultaneously switches off first gear Connection of the connection and second gear group 13 of 12 pairs of third input shafts 9 of group and output shaft 11 to third input shaft 9 and output shaft 11, It is right to the connection of the second input shaft 8 and output shaft 11 and the 4th gear set 15 that second synchronizer 18 simultaneously switches off third gear set 14 The connection of second input shaft 8 and output shaft 11, third synchronizer 19 disconnect the 5th gear set 16 to third input shaft 9 and output shaft 11 connection, engine 1 do not work, and first motor 2 does not work, the second motor 3 driving, to establish the second pure electric drive mode；

Referring to Fig. 5, the power transmission line under the drive mode are as follows: the output of the second motor 3- > output shaft 11；

Under the second pure electric drive mode, hybrid electric drive system is driven using the second motor 3 merely, disconnects the One clutch 4, second clutch 5, third clutch 6, the first synchronizer 17, the second synchronizer 18 and third synchronizer 19, have It is loaded conducive to reducing.

(3) the pure electric drive mode of third

It disconnects first clutch 4, second clutch 5 and third clutch 6, the first synchronizer 17 and simultaneously switches off first gear Connection of the connection and second gear group 13 of 12 pairs of third input shafts 9 of group and output shaft 11 to third input shaft 9 and output shaft 11, It is right to the connection of the second input shaft 8 and output shaft 11 and the 4th gear set 15 that second synchronizer 18 simultaneously switches off third gear set 14 The connection of second input shaft 8 and output shaft 11, third synchronizer 19 by the 5th gear set 16 be operably coupled to third input shaft 9 with Between output shaft 11, engine 1 does not work, and engine 1 does not work, and first motor 2 drives, the driving of the second motor 3, to establish the Three pure electric drive modes；

Referring to Fig. 6, the power transmission line 1 under the drive mode are as follows: first motor 2- > third input shaft 9- > The output of five gear set 16- > third synchronizer 19- > output shafts 11；

Power transmission line 2 are as follows: the second motor 3- > output shaft 11 output；

Under the pure electric drive mode of third, hybrid electric drive system is carried out using first motor 2 and the second motor 3 simultaneously Driving disconnects first clutch 4, second clutch 5, third clutch 6, the first synchronizer 17 and the second synchronizer 18, favorably It is loaded in reducing.

(4) series drive mode

First clutch 4 and second clutch 5 are disconnected, third clutch 6 is engaged, the first synchronizer 17 simultaneously switches off first Gear set 12 is to the connection of third input shaft 9 and output shaft 11 and second gear group 13 to third input shaft 9 and output shaft 11 Connection, the second synchronizer 18 simultaneously switch off connection and fourth gear of the third gear set 14 to the second input shaft 8 and output shaft 11 The connection of group 15 pair of second input shaft 8 and output shaft 11, third synchronizer 19 disconnect the 5th gear set 16 to 9 He of third input shaft The connection of output shaft 11, engine 1 drive, and first motor 2 does not work, the driving of the second motor 3, series drive mode；

Referring to Fig. 7, the power transmission line 1 under the drive mode are as follows: engine 1- > third clutch 6- > third Input shaft 9- > first motor 2；

Power transmission line 2 are as follows: the second motor 3- > output shaft 11 output.

Under series drive mode, it is cell power generation, power that power transmission line 1, which drives first motor 2 by engine 1, Transfer route 2 drives wheel 23 by the second motor 3, disconnects first clutch 4, second clutch 5, the first synchronizer 17, the Two synchronizers 18 and third synchronizer 19, advantageously reduce load.

(5) first parallel drive modes

First clutch 4 is engaged, disconnects second clutch 5 and third clutch 6, the first synchronizer 17 is by first gear group 12 and second gear group 13 in one group be operably coupled between the first input shaft 7 and output shaft 11, the second synchronizer 18 is simultaneously Third gear set 14 is disconnected to the connection of the second input shaft 8 and output shaft 11 and the 4th gear set 15 to the second input shaft 8 and defeated 5th gear set 16 is operably coupled between third input shaft 9 and output shaft 11 by the connection of shaft 11, third synchronizer 19, hair Motivation 1 drives, and first motor 2 drives, and the second motor 3 does not work, to establish the first parallel drive mode；

Fig. 8 and Fig. 9 are please referred to, the power transmission line 1 under the drive mode are as follows: engine 1- > first clutch 4- > First input shaft 7- > first gear group 12 or second gear group 13- > the first synchronizer 17- > output shaft 11 export；

Power transmission line 2 are as follows: the 5th gear set 16- > third synchronizer of first motor 2- > third input shaft 9- > 19- > output shaft 11 exports.

(6) second parallel drive modes

Second clutch 5 is engaged, 4 third clutch 6 of first clutch is disconnected, the first synchronizer 17 simultaneously switches off the first tooth The company of the connection of 12 pairs of third input shafts 9 of wheel group and output shaft 11 and second gear group 13 to third input shaft 9 and output shaft 11 Connect, the second synchronizer 18 by one group in third gear set 14 and the 4th gear set 15 be operably coupled to the second input shaft 8 with it is defeated Between shaft 11, the 5th gear set 16 is operably coupled between third input shaft 9 and output shaft 11 by third synchronizer 19, is started Machine 1 drives, and first motor 2 drives, and the second motor 3 does not work, to establish the second parallel drive mode；

Figure 10 and Figure 11 are please referred to, the power transmission line 1 under the drive mode are as follows: engine 1- > second clutch The second input shaft of 5- > 8- > third gear set 14 or the output of the 4th gear set 15- > the second synchronizer 18- > output shaft 11；

Power transmission line 2 are as follows: the 5th gear set 16- > third synchronizer of first motor 2- > third input shaft 9- > 19- > output shaft 11 exports.

(7) third parallel drive mode

Third clutch 6 is engaged, first clutch 4 is disconnected and second clutch 5, the first synchronizer 17 simultaneously switches off first Gear set 12 is to the connection of third input shaft 9 and output shaft 11 and second gear group 13 to third input shaft 9 and output shaft 11 Connection, the second synchronizer 18 simultaneously switch off connection and fourth gear of the third gear set 14 to the second input shaft 8 and output shaft 11 The connection of group 15 pair of second input shaft 8 and output shaft 11, it is defeated that the 5th gear set 16 is operably coupled to third by third synchronizer 19 Enter between axis 9 and output shaft 11, engine 1 drives, and first motor 2 drives, and the second motor 3 does not work, to establish third parallel connection Drive mode；

Figure 12 is please referred to, the power transmission line 1 under the drive mode are as follows: engine 1- > third clutch 6- > third The output of the 5th gear set 16- > third synchronizer 19- > output shaft 11 of input shaft 9- >；

Power transmission line 2 are as follows: the 5th gear set 16- > third synchronizer of first motor 2- > third input shaft 9- > 19- > output shaft 11 exports.

Under the first parallel drive mode, under the second parallel drive mode and under third parallel drive mode, hybrid power Drive system is driven using engine 1 and first motor 2 simultaneously, passes through switching first clutch 4, second clutch 5, the The working condition of three clutches 6, the first synchronizer 17 and the second synchronizer 18 realizes five gear speed ratio outputs of engine 1, simultaneously Unwanted power transmission line is disconnected to reduce load.

(8) the 4th parallel drive modes

First clutch 4 is engaged, disconnects second clutch 5 and third clutch 6, the first synchronizer 17 is by first gear group 12 and second gear group 13 in one group be operably coupled between the first input shaft 7 and output shaft 11, the second synchronizer 18 is simultaneously Third gear set 14 is disconnected to the connection of the second input shaft 8 and output shaft 11 and the 4th gear set 15 to the second input shaft 8 and defeated The connection of shaft 11, third synchronizer 19 disconnect connection of the 5th gear set 16 to third input shaft 9 and output shaft 11, engine 1 driving, first motor 2 do not work, the second motor 3 driving, to establish the 4th parallel drive mode；

Figure 13 and Figure 14 are please referred to, the power transmission line 1 under the drive mode are as follows: engine 1- > first clutch 4- > the first input shaft 7- > first gear group 12 or second gear group 13- > the first synchronizer 17- > output shaft 11 export；

Power transmission line 2 are as follows: the second motor 3- > output shaft 11 output.

(9) the 5th parallel drive modes

Second clutch 5 is engaged, 4 third clutch 6 of first clutch is disconnected, the first synchronizer 17 simultaneously switches off the first tooth The company of the connection of 12 pairs of third input shafts 9 of wheel group and output shaft 11 and second gear group 13 to third input shaft 9 and output shaft 11 Connect, the second synchronizer 18 by one group in third gear set 14 and the 4th gear set 15 be operably coupled to the second input shaft 8 with it is defeated Between shaft 11, third synchronizer 19 disconnects connection of the 5th gear set 16 to third input shaft 9 and output shaft 11, engine 1 Driving, first motor 2 do not work, the second motor 3 driving, to establish the 5th parallel drive mode；

Figure 15 and Figure 16 are please referred to, the power transmission line 1 under the drive mode are as follows: engine 1- > second clutch The second input shaft of 5- > 8- > third gear set 14 or the output of the 4th gear set 15- > the second synchronizer 18- > output shaft 11；

Power transmission line 2 are as follows: the second motor 3- > output shaft 11 output.

(10) the 6th parallel drive modes

Third clutch 6 is engaged, first clutch 4 is disconnected and second clutch 5, the first synchronizer 17 simultaneously switches off first Gear set 12 is to the connection of third input shaft 9 and output shaft 11 and second gear group 13 to third input shaft 9 and output shaft 11 Connection, the second synchronizer 18 simultaneously switch off connection and fourth gear of the third gear set 14 to the second input shaft 8 and output shaft 11 The connection of group 15 pair of second input shaft 8 and output shaft 11, it is defeated that the 5th gear set 16 is operably coupled to third by third synchronizer 19 Enter between axis 9 and output shaft 11, engine 1 drives, and first motor 2 does not work, the driving of the second motor 3, to establish the 6th parallel connection Drive mode；

Figure 22 and Figure 23 are please referred to, the power transmission line 1 under the drive mode are as follows: engine 1- > third clutch The output of the 5th gear set 16- > third synchronizer 19- > output shaft 11 of 6- > third input shaft 9- >；

Power transmission line 2 are as follows: the second motor 3- > output shaft 11 output.

Under the 4th parallel drive mode, under the 5th parallel drive mode and under the 6th parallel drive mode, hybrid power Drive system is driven using engine 1 and the second motor 3 simultaneously, passes through switching first clutch 4, second clutch 5, the The working condition of three clutches 6, the first synchronizer 17, the second synchronizer 18 and third synchronizer 19 realizes five gears of engine 1 Speed ratio output simultaneously switches off unwanted power transmission line to reduce load.

(11) the 7th parallel drive modes

First clutch 4 is engaged, disconnects second clutch 5 and third clutch 6, the first synchronizer 17 is by first gear group 12 and second gear group 13 in one group be operably coupled between the first input shaft 7 and output shaft 11, the second synchronizer 18 is simultaneously Third gear set 14 is disconnected to the connection of the second input shaft 8 and output shaft 11 and the 4th gear set 15 to the second input shaft 8 and defeated 5th gear set 16 is operably coupled between third input shaft 9 and output shaft 11 by the connection of shaft 11, third synchronizer 19, hair Motivation 1 drives, and first motor 2 drives, the second motor 3 driving, to establish the 7th parallel drive mode；

Figure 18 and Figure 19 are please referred to, the power transmission line 1 under the drive mode are as follows: engine 1- > first clutch 4- > the first input shaft 7- > first gear group 12 or second gear group 13- > the first synchronizer 17- > output shaft 11 export；

Power transmission line 2 are as follows: the 5th gear set 16- > third synchronizer of first motor 2- > third input shaft 9- > 19- > output shaft 11 exports；

Power transmission line 3 are as follows: the second motor 3- > output shaft 11 output.

(12) the 8th parallel drive modes

Second clutch 5 is engaged, 4 third clutch 6 of first clutch is disconnected, the first synchronizer 17 simultaneously switches off the first tooth The company of the connection of 12 pairs of third input shafts 9 of wheel group and output shaft 11 and second gear group 13 to third input shaft 9 and output shaft 11 Connect, the second synchronizer 18 by one group in third gear set 14 and the 4th gear set 15 be operably coupled to the second input shaft 8 with it is defeated Between shaft 11, the 5th gear set 16 is operably coupled between third input shaft 9 and output shaft 11 by third synchronizer 19, is started Machine 1 drives, and first motor 2 drives, the second motor 3 driving, to establish the 8th parallel drive mode；

Figure 20 and Figure 21 are please referred to, the power transmission line 1 under the drive mode are as follows: engine 1- > second clutch The second input shaft of 5- > 8- > third gear set 14 or the output of the 4th gear set 15- > the second synchronizer 18- > output shaft 11；

Power transmission line 2 are as follows: the 5th gear set 16- > third synchronizer of first motor 2- > third input shaft 9- > 19- > output shaft 11 exports；

Power transmission line 3 are as follows: the second motor 3- > output shaft 11 output.

(13) the 9th parallel drive modes

Third clutch 6 is engaged, first clutch 4 is disconnected and second clutch 5, the first synchronizer 17 simultaneously switches off first Gear set 12 is to the connection of third input shaft 9 and output shaft 11 and second gear group 13 to third input shaft 9 and output shaft 11 Connection, the second synchronizer 18 simultaneously switch off connection and fourth gear of the third gear set 14 to the second input shaft 8 and output shaft 11 The connection of group 15 pair of second input shaft 8 and output shaft 11, it is defeated that the 5th gear set 16 is operably coupled to third by third synchronizer 19 Enter between axis 9 and output shaft 11, engine 1 drives, and first motor 2 drives, the driving of the second motor 3, to establish the 9th drive in parallel Dynamic model formula；

Figure 22 is please referred to, the power transmission line 1 under the drive mode are as follows: engine 1- > third clutch 6- > third The output of the 5th gear set 16- > third synchronizer 19- > output shaft 11 of input shaft 9- >；

Power transmission line 2 are as follows: the 5th gear set 16- > third synchronizer of first motor 2- > third input shaft 9- > 19- > output shaft 11 exports；

Power transmission line 3 are as follows: the second motor 3- > output shaft 11 output.

Under the 7th parallel drive mode, under the 8th parallel drive mode and under the 9th parallel drive mode: hybrid power Drive system utilizes engine 1, first motor 2 and the second driving jointly of motor 3 simultaneously；By switching first clutch 4, second The working condition of clutch 5, third clutch 6, the first synchronizer 17 and the second synchronizer 18 realizes five gear speed of engine 1 Than output, unwanted power transmission line is simultaneously switched off to reduce load.

(14) first engine direct driving modes (electric power generation)

First clutch 4 is engaged, second clutch 5 is disconnected, engine 1 drives, and the first synchronizer 17 is by first gear group 12 and second gear group 13 in one group be operably coupled between the first input shaft 7 and output shaft 11, the second synchronizer 18 is simultaneously Third gear set 14 is disconnected to the connection of the second input shaft 8 and output shaft 11 and the 4th gear set 15 to the second input shaft 8 and defeated The connection of shaft 11, third synchronizer 19 disconnect connection of the 5th gear set 16 to third input shaft 9 and output shaft 11,

Third clutch 6 is disconnected, first motor 2 does not generate electricity, the power generation of the second motor 3, or

Third clutch 6 is engaged, first motor 2 generates electricity, and the second motor 3 does not generate electricity or generates electricity, to establish the first engine Direct driving mode；

Figure 23 and Figure 24 are please referred to, the power transmission line 1 under the drive mode are as follows: engine 1- > first clutch 4- > the first input shaft 7- > first gear group 12 or second gear group 13- > the first synchronizer 17- > output shaft 11 export；

Power transmission line 2 are as follows: engine 1- > third clutch 6- > third input shaft 9- > first motor 2；

Power transmission line 3 are as follows: engine 1- > first clutch 4- > the first input shaft 7- > first gear group 12 or The second motor of second gear group 13- > the first synchronizer 17- > output shaft 11- > 3.

(15) second engine direct driving modes (electric power generation)

Second clutch 5 is engaged, first clutch 4 is disconnected, engine 1 drives, and the first synchronizer 17 simultaneously switches off first Gear set 12 is to the connection of third input shaft 9 and output shaft 11 and second gear group 13 to third input shaft 9 and output shaft 11 Connection, the second synchronizer 18 by one group in third gear set 14 and the 4th gear set 15 be operably coupled to the second input shaft 8 with Between output shaft 11, third synchronizer 19 disconnects connection of the 5th gear set 16 to third input shaft 9 and output shaft 11,

Third clutch 6 is disconnected, first motor 2 does not generate electricity, the power generation of the second motor 3, or

Third clutch 6 is engaged, first motor 2 generates electricity, and the second motor 3 does not generate electricity or generates electricity, to establish the second engine Direct driving mode；

Figure 25 and Figure 26 are please referred to, the power transmission line 1 under the drive mode are as follows: engine 1- > second clutch The second input shaft of 5- > 8- > third gear set 14 or the output of the 4th gear set 15- > the second synchronizer 18- > output shaft 11；

Power transmission line 2 are as follows: engine 1- > third clutch 6- > third input shaft 9- > first motor 2；

Power transmission line 3 are as follows: motivation-> second clutch 5- > the second input shaft 8- > third gear set 14 or the 4th The second motor of gear set 15- > the second synchronizer 18- > output shaft 11- > 3.

(16) third engine direct driving mode (electric power generation)

Third clutch 6 is engaged, first clutch 4 and second clutch 5 are disconnected, engine 1 drives, the first synchronizer 17 First gear group 12 is simultaneously switched off to the connection of third input shaft 9 and output shaft 11 and second gear group 13 to third input shaft 9 With the connection of output shaft 11, the second synchronizer 18 simultaneously switches off third gear set 14 to the company of the second input shaft 8 and output shaft 11 Connect and connection of the 4th gear set 15 to the second input shaft 8 and output shaft 11, third synchronizer 19 by the 5th gear set 16 effectively It is connected between third input shaft 9 and output shaft 11,

First motor 2 does not generate electricity, the power generation of the second motor 3, or

First motor 2 generates electricity, and the second motor 3 generates electricity or do not generate electricity, to establish third engine direct driving mode；

Figure 27 is please referred to, the power transmission line 1 under the drive mode are as follows: engine 1- > third clutch 6- > third The output of the 5th gear set 16- > third synchronizer 19- > output shaft 11 of input shaft 9- >；

Power transmission line 2 are as follows: engine 1- > third clutch 6- > third input shaft 9- > first motor 2；

Power transmission line 3 are as follows: the 5th gear set 16- > of engine 1- > third clutch 6- > third input shaft 9- > The second motor of third synchronizer 19- > output shaft 11- > 3.

Mould is directly driven in the first engine direct driving mode, the second engine direct driving mode and third engine Under formula: hybrid electric drive system is driven using engine 1, while engine 1 drives in first motor 2 and the second motor 3 At least one power generation；It is same by switching first clutch 4, second clutch 5, third clutch 6, the first synchronizer 17, second The working condition of device 18 and third synchronizer 19 is walked, five gear speed ratio outputs of engine 1 is realized, simultaneously switches off unwanted power Transfer route is to reduce load.If guaranteeing engine 1,3 deceleration output power of first motor 2 and the second motor, hybrid power The generating efficiency of second motor 3 of drive system is low compared with the generating efficiency of first motor 2, and is preferably just utilized in braking deceleration Two motors 3 power generation, to avoid fuel oil waste.

(17) the 4th engine direct driving modes (empty load of motor)

First clutch 4 is engaged, second clutch 5 and third clutch 6 are disconnected, engine 1 drives, the first synchronizer 17 One group in first gear group 12 and second gear group 13 is operably coupled between the first input shaft 7 and output shaft 11, second Synchronizer 18 simultaneously switches off third gear set 14 to the connection of the second input shaft 8 and output shaft 11 and the 4th gear set 15 to second The connection of input shaft 8 and output shaft 11, third synchronizer 19 disconnect the 5th gear set 16 to third input shaft 9 and output shaft 11 Connection, first motor 2 do not work, and the second motor 3 does not work, to establish the 4th engine direct driving mode；

Figure 28 and 29 are please referred to, the power transmission line under the drive mode are as follows: engine 1- > first clutch 4- > First input shaft 7- > first gear group 12 or second gear group 13- > the first synchronizer 17- > output shaft 11 export.

(18) the 5th engine direct driving modes (empty load of motor)

Second clutch 5 is engaged, first clutch 4 and third clutch 6 are disconnected, engine 1 drives, the first synchronizer 17 First gear group 12 is simultaneously switched off to the connection of third input shaft 9 and output shaft 11 and second gear group 13 to third input shaft 9 With the connection of output shaft 11, one group in third gear set 14 and the 4th gear set 15 is operably coupled to by the second synchronizer 18 Between two input shafts 8 and output shaft 11, third synchronizer 19 disconnects the 5th gear set 16 to third input shaft 9 and output shaft 11 Connection, first motor 2 do not work, and the second motor 3 does not work, to establish the 5th engine direct driving mode；

Figure 30 and 31 are please referred to, the power transmission line under the drive mode are as follows: engine 1- > second clutch 5- > Second input shaft 8- > third gear set 14 or the output of the 4th gear set 15- > the second synchronizer 18- > output shaft 11.

(19) the 6th engine direct driving modes (empty load of motor)

Third clutch 6 is engaged, first clutch 4 and second clutch 5 are disconnected, engine 1 drives, the first synchronizer 17 First gear group 12 is simultaneously switched off to the connection of third input shaft 9 and output shaft 11 and second gear group 13 to third input shaft 9 With the connection of output shaft 11, the second synchronizer 18 simultaneously switches off third gear set 14 to the company of the second input shaft 8 and output shaft 11 Connect and connection of the 4th gear set 15 to the second input shaft 8 and output shaft 11, third synchronizer 19 by the 5th gear set 16 effectively It is connected between third input shaft 9 and output shaft 11, first motor 2 does not work, and the second motor 3 does not work, to establish the 6th hair Motivation direct driving mode.

Figure 32 is please referred to, the power transmission line under the drive mode are as follows: engine 1- > third clutch 6- > third The output of the 5th gear set 16- > third synchronizer 19- > output shaft 11 of input shaft 9- >.

Mould is directly driven in the 4th engine direct driving mode, the 5th engine direct driving mode and the 6th engine Under formula: hybrid electric drive system utilizes merely engine 1 to drive, and first motor 2 and the second motor 3 do not work；Pass through switching First clutch 4, second clutch 5, third clutch 6, the first synchronizer 17, the second synchronizer 18 and third synchronizer 19 Working condition realizes five gear speed ratio outputs of engine 1.

Second embodiment

In addition, the utility model second embodiment additionally provides a kind of vehicle comprising the hybrid power of first embodiment Drive system.

The above is only the preferred embodiments of the present utility model only, is not intended to limit the utility model, all practical at this Made any modifications, equivalent replacements, and improvements etc., should be included in the guarantor of the utility model within novel spirit and principle Within the scope of shield.

Claims (10)

1. a kind of hybrid electric drive system, which is characterized in that including engine, first motor, the second motor, the first clutch Device, second clutch, third clutch, the first input shaft, the second input shaft, third input shaft, output shaft, first gear group, Second gear group, third gear set, the 4th gear set, the 5th gear set, the first synchronizer, the second synchronizer are synchronous with third Device；

The engine is by the first clutch, the second clutch and the third clutch respectively with described first Input shaft, second input shaft are connected with the third input shaft；

The first motor is connected with the third input shaft；

Second motor is connected with the output shaft；

First input shaft is connected to the output shaft by the first gear group and the second gear group；And described One group in the first gear group and the second gear group is operably coupled to first input shaft and institute by one synchronizer It states between output shaft, or simultaneously switches off connection and institute of the first gear group to first input shaft and the output shaft State connection of the second gear group to first input shaft and the output shaft；

Second input shaft is connected to the output shaft by the third gear set and the 4th gear set；And described One group in the third gear set and the 4th gear set is operably coupled to second input shaft and institute by two synchronizers It states between output shaft, or simultaneously switches off connection and institute of the third gear set to second input shaft and the output shaft State connection of the 4th gear set to second input shaft and the output shaft；

The third input shaft is connected to the output shaft by the 5th gear set；And the third synchronizer is by described Five gear sets are operably coupled between the third input shaft and the output shaft, or disconnect the 5th gear set to described The connection of third input shaft and the output shaft；

The first gear group, the second gear group, the third gear set, the 4th gear set and the 5th gear The corresponding five gears speed ratio of group.

2. hybrid electric drive system according to claim 1, which is characterized in that the first gear group includes being set to institute The first driven gear stating the first driving gear on the first input shaft and being arranged on the output shaft, first driving gear It is engaged with first driven gear；

The second gear group includes the second driving gear on first input shaft and is arranged on the output shaft Second driven gear, second driving gear are engaged with second driven gear；

The third gear set includes the third driving gear on second input shaft and is arranged on the output shaft Third driven gear, the third driving gear are engaged with the third driven gear；

4th gear set includes the 4th driving gear on second input shaft and is arranged on the output shaft 4th driven gear, the 4th driving gear are engaged with the 4th driven gear；

5th gear set includes the 5th driving gear on the third input shaft and is arranged on the output shaft 5th driven gear, the 5th driving gear are engaged with the 5th driven gear.

3. hybrid electric drive system according to claim 2, which is characterized in that first synchronizer is set to described defeated On shaft, first driven gear and second driven gear are rotatably arranged on the output shaft；

Second synchronizer is arranged on the output shaft, and the third driven gear and the 4th driven gear are rotationally It is arranged on the output shaft；

The third synchronizer is set on the third input shaft, and it is defeated that the 5th driving gear is rotatably arranged in the third Enter on axis or the third synchronizer is arranged on the output shaft, the 5th driven gear is rotatably arranged in the output On axis.

4. hybrid electric drive system according to claim 1, which is characterized in that the first clutch, described second Clutch and the third clutch are three clutch of integrated form, and first input shaft and second input shaft are hollow Axis, first input shaft are rotatably arranged in the axis hole of second input shaft, and the third input shaft is rotationally set In in the axis hole of first input shaft.

5. hybrid electric drive system according to claim 1, which is characterized in that it further include speed increasing gear group, described Three input shafts connect the first motor by the speed increasing gear group.

6. hybrid electric drive system according to claim 5, which is characterized in that the speed increasing gear group is the first planet Gear mechanism；

The first planetary gear mechanism includes the first sun gear, first planet carrier and the first gear ring；

A fixed setting in first sun gear, the first planet carrier and first gear ring, other two difference It is connected with the third input shaft and the first motor.

7. hybrid electric drive system according to claim 1, which is characterized in that it further include train of reduction gears, described Two motors connect the output shaft by the train of reduction gears.

8. hybrid electric drive system according to claim 7, which is characterized in that the train of reduction gears is the second planet Gear mechanism；

Second planetary gear mechanism includes the second sun gear, the second planet carrier and the second gear ring；

A fixed setting in second sun gear, second planet carrier and second gear ring, other two difference It is connected with second motor and the output shaft.

9. hybrid electric drive system according to claim 1-8, which is characterized in that the hybrid power driving System has the first pure electric drive mode, the second pure electric drive mode, the pure electric drive mode of third, series drive mode, first Parallel drive mode, the second parallel drive mode, third parallel drive mode, the 4th parallel drive mode, the 5th parallel drive Mode, the 6th parallel drive mode, the 7th parallel drive mode, the 8th parallel drive mode, the 9th parallel drive mode, first Engine direct driving mode, the second engine direct driving mode, third engine direct driving mode, the 4th engine direct Connect drive mode, the 5th engine direct driving mode and the 6th engine direct driving mode；

The first clutch, the second clutch and the third clutch are disconnected, first synchronizer simultaneously switches off The first gear group is defeated to the third to the connection of the third input shaft and the output shaft and the second gear group Enter the connection of axis and the output shaft, second synchronizer simultaneously switch off the third gear set to second input shaft and The connection of the connection of the output shaft and the 4th gear set to second input shaft and the output shaft, the third are same 5th gear set is operably coupled between the third input shaft and the output shaft by step device, the engine not work Make, the first motor driving, second motor does not work, to establish the first pure electric drive mode；

The first clutch, the second clutch and the third clutch are disconnected, first synchronizer simultaneously switches off The first gear group is defeated to the third to the connection of the third input shaft and the output shaft and the second gear group Enter the connection of axis and the output shaft, second synchronizer simultaneously switch off the third gear set to second input shaft and The connection of the connection of the output shaft and the 4th gear set to second input shaft and the output shaft, the third are same Step device disconnects connection of the 5th gear set to the third input shaft and the output shaft, and the engine does not work, institute It states first motor not work, second motor driven, to establish the second pure electric drive mode；

The first clutch, the second clutch and the third clutch are disconnected, first synchronizer simultaneously switches off The first gear group is defeated to the third to the connection of the third input shaft and the output shaft and the second gear group Enter the connection of axis and the output shaft, second synchronizer simultaneously switch off the third gear set to second input shaft and The connection of the connection of the output shaft and the 4th gear set to second input shaft and the output shaft, the third are same 5th gear set is operably coupled between the third input shaft and the output shaft by step device, the engine not work Make, the engine does not work, the first motor driving, second motor driven, to establish the pure electric drive mode of third；

The first clutch and the second clutch are disconnected, engages the third clutch, first synchronizer is simultaneously The first gear group is disconnected to the connection of the third input shaft and the output shaft and the second gear group to described The connection of three input shafts and the output shaft, second synchronizer simultaneously switch off the third gear set to second input The connection of the connection of axis and the output shaft and the 4th gear set to second input shaft and the output shaft, described Three synchronizers disconnect connection of the 5th gear set to the third input shaft and the output shaft, the engine driving, The first motor does not work, second motor driven, series drive mode；

The first clutch is engaged, disconnects the second clutch and the third clutch, first synchronizer is by institute One group in first gear group and the second gear group is stated to be operably coupled between first input shaft and the output shaft, Second synchronizer simultaneously switches off the third gear set to the connection of second input shaft and the output shaft and described Connection of 4th gear set to second input shaft and the output shaft, the third synchronizer have the 5th gear set Effect is connected between the third input shaft and the output shaft, the engine driving, first motor driving, and described the Two motors do not work, to establish the first parallel drive mode；

The second clutch is engaged, third clutch described in the first clutch is disconnected, first synchronizer breaks simultaneously The first gear group is opened to the connection of the third input shaft and the output shaft and the second gear group to the third The connection of input shaft and the output shaft, second synchronizer is by one in the third gear set and the 4th gear set Group is operably coupled between second input shaft and the output shaft, and the third synchronizer is effective by the 5th gear set It is connected between the third input shaft and the output shaft, the engine driving, the first motor driving, described second Motor does not work, to establish the second parallel drive mode；

The third clutch is engaged, disconnects the first clutch and the second clutch, first synchronizer is simultaneously The first gear group is disconnected to the connection of the third input shaft and the output shaft and the second gear group to described The connection of three input shafts and the output shaft, second synchronizer simultaneously switch off the third gear set to second input The connection of the connection of axis and the output shaft and the 4th gear set to second input shaft and the output shaft, described 5th gear set is operably coupled between the third input shaft and the output shaft by three synchronizers, and the engine drives Dynamic, the first motor driving, second motor does not work, to establish third parallel drive mode；

The first clutch is engaged, disconnects the second clutch and the third clutch, first synchronizer is by institute One group in first gear group and the second gear group is stated to be operably coupled between first input shaft and the output shaft, Second synchronizer simultaneously switches off the third gear set to the connection of second input shaft and the output shaft and described Connection of 4th gear set to second input shaft and the output shaft, the third synchronizer disconnect the 5th gear set Connection to the third input shaft and the output shaft, the engine driving, the first motor do not work, and described second Motor driven, to establish the 4th parallel drive mode；

The second clutch is engaged, third clutch described in the first clutch is disconnected, first synchronizer breaks simultaneously The first gear group is opened to the connection of the third input shaft and the output shaft and the second gear group to the third The connection of input shaft and the output shaft, second synchronizer is by one in the third gear set and the 4th gear set Group is operably coupled between second input shaft and the output shaft, and the third synchronizer disconnects the 5th gear set pair The connection of the third input shaft and the output shaft, the engine driving, the first motor do not work, second electricity Machine driving, to establish the 5th parallel drive mode；

The third clutch is engaged, disconnects the first clutch and the second clutch, first synchronizer is simultaneously The first gear group is disconnected to the connection of the third input shaft and the output shaft and the second gear group to described The connection of three input shafts and the output shaft, second synchronizer simultaneously switch off the third gear set to second input The connection of the connection of axis and the output shaft and the 4th gear set to second input shaft and the output shaft, described 5th gear set is operably coupled between the third input shaft and the output shaft by three synchronizers, and the engine drives Dynamic, the first motor does not work, second motor driven, to establish the 6th parallel drive mode；

The first clutch is engaged, disconnects the second clutch and the third clutch, first synchronizer is by institute One group in first gear group and the second gear group is stated to be operably coupled between first input shaft and the output shaft, Second synchronizer simultaneously switches off the third gear set to the connection of second input shaft and the output shaft and described Connection of 4th gear set to second input shaft and the output shaft, the third synchronizer have the 5th gear set Effect is connected between the third input shaft and the output shaft, the engine driving, first motor driving, and described the Two motor drivens, to establish the 7th parallel drive mode；

The second clutch is engaged, third clutch described in the first clutch is disconnected, first synchronizer breaks simultaneously The first gear group is opened to the connection of the third input shaft and the output shaft and the second gear group to the third The connection of input shaft and the output shaft, second synchronizer is by one in the third gear set and the 4th gear set Group is operably coupled between second input shaft and the output shaft, and the third synchronizer is effective by the 5th gear set It is connected between the third input shaft and the output shaft, the engine driving, the first motor driving, described second Motor driven, to establish the 8th parallel drive mode；

The third clutch is engaged, disconnects the first clutch and the second clutch, first synchronizer is simultaneously The first gear group is disconnected to the connection of the third input shaft and the output shaft and the second gear group to described The connection of three input shafts and the output shaft, second synchronizer simultaneously switch off the third gear set to second input The connection of the connection of axis and the output shaft and the 4th gear set to second input shaft and the output shaft, described 5th gear set is operably coupled between the third input shaft and the output shaft by three synchronizers, and the engine drives It is dynamic, the first motor driving, second motor driven, to establish the 9th parallel drive mode；

The first clutch is engaged, disconnects the second clutch, the engine driving, first synchronizer will be described One group in first gear group and the second gear group is operably coupled between first input shaft and the output shaft, institute It states the second synchronizer and simultaneously switches off the third gear set to the connection of second input shaft and the output shaft and described Connection of four gear sets to second input shaft and the output shaft, the third synchronizer disconnect the 5th gear set pair The connection of the third input shaft and the output shaft,

The third clutch is disconnected, the first motor does not generate electricity, second electric power generation, or

The third clutch is engaged, the first motor power generation, second motor does not generate electricity or generates electricity, to establish the first hair Motivation direct driving mode；

The second clutch is engaged, the first clutch, the engine driving are disconnected, first synchronizer breaks simultaneously The first gear group is opened to the connection of the third input shaft and the output shaft and the second gear group to the third The connection of input shaft and the output shaft, second synchronizer is by one in the third gear set and the 4th gear set Group is operably coupled between second input shaft and the output shaft, and the third synchronizer disconnects the 5th gear set pair The connection of the third input shaft and the output shaft,

The third clutch is disconnected, the first motor does not generate electricity, second electric power generation, or

The third clutch is engaged, the first motor power generation, second motor does not generate electricity or generates electricity, to establish the second hair Motivation direct driving mode；

The third clutch is engaged, the first clutch and the second clutch are disconnected, the engine driving is described First synchronizer simultaneously switches off the first gear group to the connection of the third input shaft and the output shaft and described second Connection of the gear set to the third input shaft and the output shaft, second synchronizer simultaneously switch off the third gear set Connection and the 4th gear set to second input shaft and the output shaft is to second input shaft and the output The connection of axis, the third synchronizer by the 5th gear set be operably coupled to the third input shaft and the output shaft it Between,

The first motor does not generate electricity, second electric power generation, or

First motor power generation, second electric power generation or does not generate electricity, to establish third engine direct driving mode；

The first clutch is engaged, the second clutch and the third clutch are disconnected, the engine driving is described First synchronizer by one group in the first gear group and the second gear group be operably coupled to first input shaft with Between the output shaft, second synchronizer simultaneously switches off the third gear set to second input shaft and the output The connection of the connection of axis and the 4th gear set to second input shaft and the output shaft, the third synchronizer disconnect Connection of 5th gear set to the third input shaft and the output shaft, the first motor do not work, and described second Motor does not work, to establish the 4th engine direct driving mode；

The second clutch is engaged, the first clutch and the third clutch are disconnected, the engine driving is described First synchronizer simultaneously switches off the first gear group to the connection of the third input shaft and the output shaft and described second Connection of the gear set to the third input shaft and the output shaft, second synchronizer is by the third gear set and described One group in 4th gear set is operably coupled between second input shaft and the output shaft, and the third synchronizer disconnects Connection of 5th gear set to the third input shaft and the output shaft, the first motor do not work, and described second Motor does not work, to establish the 5th engine direct driving mode；

The third clutch is engaged, the first clutch and the second clutch are disconnected, the engine driving is described First synchronizer simultaneously switches off the first gear group to the connection of the third input shaft and the output shaft and described second Connection of the gear set to the third input shaft and the output shaft, second synchronizer simultaneously switch off the third gear set Connection and the 4th gear set to second input shaft and the output shaft is to second input shaft and the output The connection of axis, the third synchronizer by the 5th gear set be operably coupled to the third input shaft and the output shaft it Between, the first motor does not work, and second motor does not work, to establish the 6th engine direct driving mode.

10. a kind of vehicle, including hybrid electric drive system described in any one of claim 1-9.