CN205836514U

CN205836514U - Hybrid power coupled system and hybrid vehicle

Info

Publication number: CN205836514U
Application number: CN201620617725.XU
Authority: CN
Inventors: 张�雄; 赵江灵; 黄少堂; 梅骜; 吴为理; 李东东
Original assignee: Guangzhou Automobile Group Co Ltd
Current assignee: Guangzhou Automobile Group Co Ltd
Priority date: 2016-06-20
Filing date: 2016-06-20
Publication date: 2016-12-28
Anticipated expiration: 2026-06-20

Abstract

A hybrid coupling system, the generator and the engine are coaxially connected through the first shaft; the first shaft is provided with a first gear and a second gear, and the first synchronizer is arranged between the first gear and the second gear for control The engagement or disengagement of the first shaft and the first gear or the second gear, the sixth gear and the seventh gear are arranged on the output shaft of the driving motor, and the second synchronizer is set between the sixth gear and the seventh gear to control the output shaft of the driving motor Engagement and disengagement with sixth or seventh gear. The hybrid coupling system has two gears to choose from when the engine is driving, and two gears to choose from when the drive motor is driving, which optimizes the working range of the engine and improves the power and economy of the engine. It improves the power performance of pure electricity at low speed and the economy of pure electricity at high speed. The utility model also provides a hybrid electric vehicle.

Description

Hybrid power coupled system and hybrid vehicle

Technical field

This utility model relates to the dynamical system technical field of hybrid vehicle, dynamic more particularly to one mixing Couple of force assembly system and there is the hybrid vehicle of this hybrid power coupled system.

Background technology

Along with shortage and the raising of people's environmental consciousness of petroleum resources, and the strictest legislations of environmental protection Requirement, in the urgent need to saving the energy and the environmental protection automobile product of low emission even zero-emission.To this end, countries in the world political affairs Various types of new-energy automobile is developed going into overdrive in mansion and each big automobile making commercial city.Hybrid vehicle is new The one of energy automobile, compared with traditional combustion engine, hybrid vehicle refers to use the vehicle of two or more energy source.

Modal oil-electric vehicle has electromotor and motor, electromotor fuel consumption, traction motor Consume the electric energy of electrokinetic cell.In recent years, hybrid electric drive system and mode of operation thereof for hybrid vehicle become For study hotspot.

Driving and motor-driven owing to hybrid electric drive system relates to conventional engines, structure is often the most multiple Miscellaneous, take up room relatively big, affect the layout of vehicle miscellaneous part.On the one hand the motor parallel formula hybrid power of main flow is compared at present In system, it is common that motor uses tray type structure, is arranged between electromotor and variator, takies certain axial dimension, make Become power assembly axial length big, difficult arrangement on car load.Due to size-limited, the power of motor is the most little, pure electricity Dynamic lower power performance is poor.On the other hand, commonly used first gear in the scheme of the integrated motor of current hybrid power gearbox Structure, general seldom employing keeps off gear structure more, and dynamic property to be obtained and economy are all satisfied with the most relatively difficult.

The Chinese patent of Application No. CN201420395631.3 discloses a kind of electric powered motor coupled system, this electricity Electrical automobile dynamic coupling system includes: electromotor, the electromotor being coaxially connected with electromotor, be arranged on electromotor and electromotor it Between clutch, the driving motor being connected with clutch and differential mechanism respectively by actuating device.This electric powered motor couples System, although each component layouts is relatively more reasonable, compact conformation, is conducive to assembling and saves space, improves interior space and utilizes Rate.But, when the electromotor of this electric powered motor coupled system directly drives, the gear of only one of which fixed drive ratio, no It is beneficial to the efficiency of electromotor work, also only one of which gear when motor drives, the dynamic property of whole dynamic coupling system can be caused Limited, economy also also has the space promoted further.

Utility model content

The purpose of this utility model is to provide a kind of hybrid power coupled system and hybrid vehicle, solves current Hybrid power system takes up room greatly, the problem of difficult arrangement on car load, and has two gears when electromotor participates in and driving Can select, solve current hybrid power system gear of only one of which fixed drive ratio when electromotor directly drives Problem, optimizes the working range of electromotor, improves dynamic property and the economy of electromotor.

This utility model embodiment provides a kind of hybrid power coupled system, including:

Electromotor；

Electromotor, is coaxially connected with electromotor；

First lock unit, is arranged between electromotor and electromotor；

Drive motor；

Differential mechanism, is connected with electromotor and driving motor respectively by tooth axle system；

Wherein, tooth axle system includes the first gear, the second gear, the 3rd gear, the 4th gear, the 5th gear, the 6th tooth Wheel, the 7th gear, final gear, the first axle, the second axle and driving motor output shaft；

First gear and the second gear are positioned at the first axle；

First lock unit is arranged on the first axle and between the first gear and the second gear, and the first lock unit controls first The joint of gear and the second gear and the first axle with separate；

3rd gear, the 4th gear and the 5th gear are positioned at the second axle, and the 3rd gear and the first gear engage each other；4th Gear and the second gear engage each other；

6th gear and the 7th gear are positioned at driving motor output shaft, and the 6th gear and the 3rd gear engage each other, and the 7th Gear and the 4th gear engage each other；

Hybrid power coupled system also includes that the second lock unit, the second lock unit are arranged on driving motor output shaft and are positioned at Between 6th gear and the 7th gear, the second lock unit controls the 6th gear and the 7th gear and drives the joint of motor output shaft With separate；

Final gear is connected with differential mechanism and engages each other with the 5th gear；

Driving force is delivered to the first driving wheel and the by the first jack shaft and the second jack shaft by differential mechanism respectively Two driving wheels.

Further, hybrid power coupled system has electric-only mode, increases journey pattern and combination drive pattern.

Further, under electric-only mode, electromotor and electromotor do not work；Second lock unit engages and drives motor Output shaft and the 6th gear or the second lock unit engage and drive motor output shaft and the 7th gear；Drive the power of motor through the Six gears, to the 3rd gear or through the 7th gear to the 4th gear, transmit after the 5th gear to final gear the most again To differential mechanism, differential mechanism transfers power to the first driving wheel and second by the first jack shaft and the second jack shaft and drives Wheel.

Further, increasing under journey pattern, engine start, driven by engine electrical power generators is with to electrokinetic cell or give Driving motor is powered；Second lock unit engages and drives motor output shaft and the 6th gear or the second lock unit to engage driving motor Output shaft and the 7th gear；Drive motor power through the 6th gear to the 3rd gear or through the 7th gear to the 4th gear, Passing to differential mechanism the most again after the 5th gear to final gear, differential mechanism drives half by the first jack shaft and second Axle transfers power to the first driving wheel and the second driving wheel.

Further, under combination drive pattern, engine start, the first lock unit engages the first axle and the first gear, The power of electromotor is through the first gear, the 3rd gear to the second axle and the power coupling driving motor；Second lock unit engages and drives Dynamic motor output shaft and the 6th gear, the power of driving motor through the 6th gear to the 3rd gear again through the 5th gear to main deceleration Passing to differential mechanism after gear, differential mechanism transfers power to the first driving wheel by the first jack shaft and the second jack shaft With the second driving wheel.

Further, under combination drive pattern, engine start, the first lock unit engages the first axle and the first gear, The power of electromotor is through the first gear, the 3rd gear to the second axle and the power coupling driving motor；Second lock unit engages and drives Dynamic motor output shaft and the 7th gear, the power of driving motor through the 7th gear to the 4th gear again through the 5th gear to main deceleration Passing to differential mechanism after gear, differential mechanism transfers power to the first driving wheel by the first jack shaft and the second jack shaft With the second driving wheel.

Further, under combination drive pattern, engine start, the first lock unit engages the first axle and the second gear, The power of electromotor is through the second gear, the 4th gear to the second axle and the power coupling driving motor；Second lock unit engages and drives Dynamic motor output shaft and the 6th gear, the power of driving motor through the 6th gear to the 3rd gear again through the 5th gear to main deceleration Passing to differential mechanism after gear, differential mechanism transfers power to the first driving wheel by the first jack shaft and the second jack shaft With the second driving wheel.

Further, under combination drive pattern, engine start, the first lock unit engages the first axle and the second gear, The power of electromotor is through the second gear, the 4th gear to the second axle and the power coupling driving motor；Second lock unit engages and drives Dynamic motor output shaft and the 7th gear, the power of driving motor through the 7th gear to the 4th gear again through the 5th gear to main deceleration Passing to differential mechanism after gear, differential mechanism transfers power to the first driving wheel by the first jack shaft and the second jack shaft With the second driving wheel.

Further, hybrid power coupled system also includes amortisseur, and amortisseur is arranged on electromotor and the first lock unit Between.

This utility model embodiment also provides for a kind of hybrid vehicle, and this hybrid vehicle includes that above-mentioned mixing is moved Couple of force assembly system.

The hybrid power coupled system that this utility model embodiment provides, its electromotor and electromotor are coaxial by the first axle It is connected；First axle is provided with the first gear and the second gear, and the first lock unit is arranged between the first gear and the second gear, uses In controlling the first axle and the first gear or the joint of the second gear or separating；Motor output shaft is driven to be provided with the 6th gear and the 7th Gear, the second lock unit is arranged between the 6th gear and the 7th gear, be used for controlling driving motor output shaft and the 6th gear or The joint of the 7th gear or separation.This hybrid power coupled system can realize electric-only mode, journey pattern, combined drive dynamic model The multiple-working modes such as formula, under electric-only mode and under increasing journey pattern, owing to driving motor output shaft to be provided with the second lock unit, Make to drive motor to have two gears to select；Under combination drive pattern, owing to the first axle is provided with the first lock unit, driving Motor output shaft is provided with the second lock unit so that electromotor has two gears to select, drive motor to have two gears can To select, therefore under this pattern, there are four different power stream schemes.This hybrid power coupled system, without arranging clutch, is tied Structure is simple, saves space, convenient layout, overcomes existing parallel hybrid electric vehicle and power assembly dimensional space thereof big, knot The shortcomings such as structure is complicated.Motor is driven to have two gears to select under electric-only mode, can be by selecting different reducing gears Wheel gear ratio drives, the economy of pure electricity when improve dynamic property and the high speed of pure electricity under low speed.When electromotor participates in driving, Electromotor has two gears to select, and optimizes the working range of electromotor, improves dynamic property and the economy of electromotor. Before and after gearshift, by two electric machine speed regulations, reducing shift shock, extend the service life of lock unit；And changing During gear, drive motor can also export power while speed governing, there is not the situation of power interruption.

Described above is only the general introduction of technical solutions of the utility model, in order to better understand skill of the present utility model Art means, and can be practiced according to the content of description, and in order to allow above and other purpose of the present utility model, feature Can become apparent with advantage, below especially exemplified by preferred embodiment, and coordinate accompanying drawing, describe in detail as follows.

Accompanying drawing explanation

Fig. 1 is the structural representation of the hybrid power coupled system of this utility model embodiment.

Fig. 2 is the control flow schematic diagram of the hybrid power coupled system of this utility model embodiment.

Fig. 3 to Fig. 4 is that the hybrid power coupled system of this utility model embodiment is operated in the power under electric-only mode Transmission schematic diagram.

Fig. 5 to Fig. 6 is that the hybrid power coupled system of this utility model embodiment is operated in the power biography increased under journey pattern Pass schematic diagram.

Fig. 7 to Figure 10 be the hybrid power coupled system of this utility model embodiment be operated under combination drive pattern dynamic Power transmission schematic diagram.

Detailed description of the invention

This utility model embodiment provides a kind of hybrid power coupled system, and its structure is as it is shown in figure 1, hybrid power couples System includes:

Electromotor 11；

Electromotor 12, is coaxially connected with electromotor 11；

First lock unit 13, is arranged between electromotor 11 and electromotor 12；

Drive motor 14；

Differential mechanism 15, is connected with electromotor 11 and driving motor 14 respectively by tooth axle system.

Tooth axle system include first gear the 21, second gear 22, the 3rd gear 23, the 4th gear 24, the 5th gear 25, Six gear 26 the 7th gears 27, final gear the 28, first axle the 31, second axle 32 and driving motor output shaft 34.

First axle 31 is the axle of electromotor 11 and electromotor 12 place, that is to say output shaft and the electromotor 12 of electromotor 11 Power shaft.First gear 21 and the second gear 22 are on the first axle 31 and between electromotor 11 and electromotor 12.Tool Body ground, as it is shown in figure 1, the first gear 21 is positioned on the first axle 31 and near electromotor 11, the second gear 22 is positioned at the first axle 31 Upper and close electromotor 12.

First lock unit 13 is arranged on the first axle 31 and between the first gear 21 and the second gear 22.First lock unit With separating, 13 control whether the first axle 31 participates in driving, meanwhile, by first with the joint of gear for controlling the first axle 31 Lock unit 13 controls the first axle 31 can also realize gear shift from different gear synchronous joint.

In the present embodiment, the first lock unit 13 controls the joint of the first gear 21 and the second gear 22 and the first axle 31 and divides From, after electromotor 12 drives electromotor 11 to start, according to different operating conditions the first lock units 13 engage the first axle 31 with First gear 21 or control the first lock unit 13 engage the first axle 31 and the second gear 22 and control the first lock unit 13 and First gear 21 or the second gear 22 separate.Specifically, when the first lock unit 13 separates with the first gear 21 and the second gear 22, First gear 21 and the second gear 22 dally, when needs are shifted gears when, to electromotor 12 and driving motor 14 speed governing, electromotor 12 rotating speeds that can regulate the first axle 31, drive motor 14 can regulate the 3rd gear 23 and the rotating speed of the first gear 21, when the The when that one axle 31 being consistent with the rotating speed of the first gear 21 or difference is the least, the first lock unit 13 is made to engage the first axle 31 and the One gear 21, so before and after the first lock unit 13 engages, needs two parts (the first axle 31 and the first gear synchronized 21) speed discrepancy is smaller, and therefore shift shock is little, extends the service life of the first lock unit 13.Motor 14 is driven to adjust Power can also be exported while speed, therefore in shift process, there is not the situation of power interruption.It is appreciated that by adjusting Joint drives the rotating speed of motor 14, it is also possible to regulation the 4th gear 24 and the rotating speed of the second gear 22, when the first axle 31 and the second tooth The when that the rotating speed of wheel 22 being consistent or difference is the least, the first lock unit 13 is made to engage the first axle 31 and the second gear 22.Therefore, When electromotor 11 participates in driving, electromotor 11 has two gears to select.

3rd gear the 23, the 4th gear 24 and the 5th gear 25 are positioned on the second axle 32, in the present embodiment, and the 4th gear 24 Between the 3rd gear 23 and the 5th gear 25.3rd gear 23 engages each other with the first gear 21；4th gear 24 and Two gears 22 engage each other.

Driving motor output shaft 34 and be connected with driving motor 14, it is defeated that the 6th gear 26 and the 7th gear 27 are positioned at driving motor Shaft 34, the 6th gear 26 engages each other with the 3rd gear 23, and the 7th gear 27 engages each other with the 4th gear 24.

Hybrid power coupled system also includes that the second lock unit 16, the second lock unit 16 are arranged on driving motor output shaft 34 And between the 6th gear 26 and the 7th gear 27, the second lock unit 16 controls the 6th gear 26 and the 7th gear 27 and drives The joint of motor output shaft 34 with separate.Second lock unit 16 makes to drive motor 14 also to have two gears to select when driving Select.

Final gear 28 is connected with differential mechanism 15 and engages each other with the 5th gear 25.

Driving force is delivered to the first driving by the first jack shaft 35 and the second jack shaft 36 by differential mechanism 15 respectively Wheel 41 and the second driving wheel 42.

For buffering the output of electromotor 11 and damping, this utility model embodiment also includes amortisseur 17.Damping Device 17 is arranged between electromotor 11 and electromotor 12.Specifically, amortisseur 17 is arranged on the first axle 31 and is positioned at electromotor 11 and first between gear 21.Amortisseur 17 for example, torsion vibration absorber or fluid coupling.

The hybrid power coupled system of the present embodiment has electric-only mode, increases journey pattern and combination drive pattern, can root It is automatically obtained the switching of Three models, thus, the control flow of the present embodiment according to the demand of electricity SOC value and speed, refer to Fig. 2 Shown in, including:

Step S11, it is judged that SOC value of battery and the magnitude relationship of first threshold, or judge SOC value of battery and first simultaneously The magnitude relationship of the magnitude relationship of threshold value and speed and Second Threshold；

Step S12, according to judged result, the mode of operation of switching hybrid power coupled system.

Specifically, as shown in Figure 3 and Figure 4, when step S11 judges SOC value of battery higher than first threshold, step S12 bag Include: control electromotor 11, electromotor 12 does not works, control the second lock unit 16 and engage driving motor output shaft 34 and the 6th tooth Wheel 26 or control the second lock unit 16 and engage and drive motor output shaft 34 and the 7th gear 27, drives the power of motor 14 through the Six gears 26 are to the 3rd gear 23 or through the 7th gear 27 to the 4th gear 24, the most again through the 5th gear 25 to main deceleration Gear 28 passes to differential mechanism 15 after slowing down, power is passed by differential mechanism 15 by first jack shaft the 35, second jack shaft 36 Being delivered to first driving wheel the 41, second driving wheel 42, now vehicle travels in full vehicle-speed region with electric-only mode, power transmission road Line is as shown in arrow in Fig. 3 and Fig. 4.

As shown in Figure 5 and Figure 6, judge that SOC value of battery is less than Second Threshold less than first threshold and speed when step S11 Time, step S12 includes: controlling electromotor 11 and start, control the first lock unit 13 and disconnect, electromotor 11 drives 12, electromotor Electricity, with to power battery charging or to driving motor 14 to power；Control the second lock unit 16 and engage driving motor output shaft 34 He 6th gear 26 or control the second lock unit 16 engage and drive motor output shaft 34 and the 7th gear 27, drive the dynamic of motor 14 Power, through the 6th gear 26 to the 3rd gear 23 or through the 7th gear 27 to the 4th gear 24, arrives through the 5th gear 25 the most again Final gear 28 passes to differential mechanism 15 after slowing down, differential mechanism 15 will by first jack shaft the 35, second jack shaft 36 Power is delivered to first driving wheel the 41, second driving wheel 42, and now vehicle travels at low-speed region to increase journey pattern, and power transmits Route is as shown in arrow in Fig. 5 and Fig. 6.

As shown in Figure 7 to 10, judge that SOC value of battery is higher than Second Threshold less than first threshold and speed when step S11 Time, step S12 includes: control electromotor 11 start, control the first lock unit 13 engage the first axle 31 and the first gear 21 or Controlling the first lock unit 13 and engage the first axle 31 and the second gear 22, the power of electromotor 11 is through the first gear the 21, the 3rd gear 23 or through second gear the 22, the 4th gear the 24 to the second axle 32 and the power coupling driving motor 14；Control second same simultaneously Step device 16 engages to drive motor output shaft 34 and the 6th gear 26 or control the second lock unit 16 joint and drives motor output shaft 34 and the 7th gear 27, drive the power of motor 14 through the 6th gear 26 to the 3rd gear 23 or through the 7th gear 27 to the Four gears 24, pass to differential mechanism 15 the most again after the 5th gear 25 to final gear 28 slows down, and differential mechanism 15 is by the One jack shaft the 35, second jack shaft 36 transfers power to first driving wheel the 41, second driving wheel 42, and now vehicle is with mixed Close drive pattern to travel in high-speed region, power transmission line such as Fig. 7 to Figure 10 shown in arrow.

In above-mentioned increasing journey pattern, when SOC value of battery is relatively low need start electromotor time, electromotor 12 as start motor Use, be used for starting electromotor 11, make electromotor 11 drive electromotor 12 to power battery charging or to driving motor 14 to supply Electricity；When automobile needs to run at high speed, electromotor 12 will use as starting motor equally, be used for starting electromotor 11, start Machine 11 exports driving moment, drives motor 14 then process auxiliary drive, enters combination drive pattern.

Above-mentioned Three models embodies as follows with form:

First threshold is for judging the height of SOC value of battery, and Second Threshold is for judging the height of speed, and the present embodiment is not The span of first threshold and Second Threshold is limited, generally freely can set according to concrete control strategy, different Control strategy under, the value of first threshold and Second Threshold is all not quite similar.After setting first threshold and Second Threshold, then Automatic decision also automatically switches between Three models according to judged result.

In above-described embodiment, it is provided that a kind of hybrid power coupled system being applicable to hybrid vehicle, wherein, generating Machine is coaxially connected by the first axle with electromotor；First axle is provided with the first gear and the second gear, and the first lock unit is arranged on Between first gear and the second gear, for controlling the first axle and the first gear or the joint of the second gear or separating；Drive electricity Machine output shaft is provided with the 6th gear and the 7th gear, and the second lock unit is arranged between the 6th gear and the 7th gear, is used for controlling Drive motor output shaft and the 6th gear or the joint of the 7th gear or separate.This hybrid power coupled system can realize pure electricity The multiple-working modes such as dynamic model formula, journey pattern, combination drive pattern, under electric-only mode and under increasing journey pattern, owing to driving Dynamic motor output shaft is provided with the second lock unit so that drive motor to have two gears to select；Under combination drive pattern, by It is provided with the first lock unit in the first axle, drives motor output shaft to be provided with the second lock unit so that electromotor has two gears can To select, to drive motor to have two gears to select, therefore under this pattern, there are four different power stream schemes.

The hybrid power coupled system that above-described embodiment provides, has the advantage that

1, without arranging clutch, simple in construction, save space, convenient layout, overcome existing parallel type hybrid dynamic vapour The shortcomings such as car and power assembly dimensional space thereof are big, and structure is complicated.

2, drive motor to have two gears to select under electric-only mode, can pass by selecting different reduction gearing Dynamic ratio drives, the economy of pure electricity when improve dynamic property and the high speed of pure electricity under low speed.

3, when electromotor participates in driving, electromotor has two gears to select, optimizes the working range of electromotor, Improve dynamic property and the economy of electromotor.Before and after gearshift, by two electric machine speed regulations, reducing shift shock, prolong Grow the service life of lock unit；And in shift process, drive motor can also export power while speed governing, do not deposit Situation in power interruption.

This utility model embodiment also provides for a kind of hybrid vehicle, and this hybrid vehicle includes as above mixed Closing dynamic coupling system, other structures about this hybrid vehicle may refer to prior art, are not repeated herein.

The above, be only preferred embodiment of the present utility model, not this utility model is made any in form Restriction, although this utility model is disclosed above with preferred embodiment, but is not limited to this utility model, any ripe Know professional and technical personnel, in the range of without departing from technical solutions of the utility model, when in the technology of available the disclosure above Hold and make a little change or be modified to the Equivalent embodiments of equivalent variations, as long as being without departing from technical solutions of the utility model Hold, any simple modification, equivalent variations and modification above example made according to technical spirit of the present utility model, the most still Belong in the range of technical solutions of the utility model.

Claims

1. A hybrid coupling system, characterized in that, comprising:

engine (11);

The generator (12) is coaxially connected with the engine (11);

A first synchronizer (13), arranged between the engine (11) and the generator (12);

drive motor (14);

The differential (15) is respectively connected to the engine (11) and the drive motor (14) through a pinion system;

Wherein, the pinion system includes a first gear (21), a second gear (22), a third gear (23), a fourth gear (24), a fifth gear (25), a sixth gear (26), The seventh gear (27), final reduction gear (28), first shaft (31), second shaft (32) and drive motor output shaft (34);

The first gear (21) and the second gear (22) are located on the first shaft (31);

The first synchronizer (13) is arranged on the first shaft (31) and is located between the first gear (21) and the second gear (22), and the first synchronizer (13) controlling engagement and disengagement of the first gear (21) and the second gear (22) with the first shaft (31);

The third gear (23), the fourth gear (24) and the fifth gear (25) are located on the second shaft (32), and the third gear (23) and the first gear (21) are mutually meshing; the fourth gear (24) meshes with the second gear (22);

The sixth gear (26) and the seventh gear (27) are located on the drive motor output shaft (34), the sixth gear (26) meshes with the third gear (23), the The seventh gear (27) meshes with the fourth gear (24);

The hybrid coupling system further includes a second synchronizer (16), the second synchronizer (16) is arranged on the output shaft (34) of the drive motor and is located between the sixth gear (26) and the first Between the seven gears (27), the second synchronizer (16) controls the engagement and separation of the sixth gear (26) and the seventh gear (27) with the drive motor output shaft (34);

The final reduction gear (28) is connected to the differential (15) and meshes with the fifth gear (25);

The differential (15) transmits driving force to the first driving wheel (41) and the second driving wheel (42) respectively through the first driving half shaft (35) and the second driving half shaft (36).

2. The hybrid power coupling system according to claim 1, characterized in that, the hybrid power coupling system has a pure electric mode, an extended range mode and a hybrid drive mode.

3. The hybrid power coupling system according to claim 2, characterized in that, in the pure electric mode, neither the engine (11) nor the generator (12) works; the second synchronizer (16) Engage the drive motor output shaft (34) and the sixth gear (26) or the second synchronizer (16) engage the drive motor output shaft (34) and the seventh gear (27) ); the power of the driving motor (14) is transferred to the third gear (23) through the sixth gear (26), or to the fourth gear (24) through the seventh gear (27), Then pass through the fifth gear (25) to the final reduction gear (28) to the differential (15), and the differential (15) passes through the first driving half shaft (35) ) and the second driving half shaft (36) transmit power to the first driving wheel (41) and the second driving wheel (42).

4. The hybrid power coupling system according to claim 2, characterized in that, in the range-extended mode, the engine (11) is started, and the engine (11) drives the generator (12) to generate electricity To power the power battery or to the drive motor (14); the second synchronizer (16) engages the drive motor output shaft (34) and the sixth gear (26) or the second synchronizer ( 16) Engage the drive motor output shaft (34) and the seventh gear (27); the power of the drive motor (14) passes through the sixth gear (26) to the third gear (23), Or through the seventh gear (27) to the fourth gear (24), then through the fifth gear (25) to the final reduction gear (28) and then to the differential (15) ), the differential (15) transmits power to the first drive wheel (41) and the second drive wheel (42) through the first drive half shaft (35) and the second drive half shaft (36) ).

5. The hybrid power coupling system according to claim 2, characterized in that, in the hybrid driving mode, the engine (11) starts, and the first synchronizer (13) engages the first shaft ( 31) and the first gear (21), the power of the engine (11) passes through the first gear (21) and the third gear (23) to the second shaft (32) and the The power coupling of the driving motor (14); the second synchronizer (16) engages the driving motor output shaft (34) and the sixth gear (26), and the power of the driving motor (14) passes through the The sixth gear (26) is transferred to the third gear (23) through the fifth gear (25) to the final reduction gear (28) and then transmitted to the differential (15). The drive (15) transmits power to the first driving wheel (41) and the second driving wheel (42) through the first driving half shaft (35) and the second driving half shaft (36).

6. The hybrid power coupling system according to claim 2, characterized in that, in the hybrid driving mode, the engine (11) starts, and the first synchronizer (13) engages the first shaft ( 31) and the first gear (21), the power of the engine (11) passes through the first gear (21) and the third gear (23) to the second shaft (32) and the The power coupling of the driving motor (14); the second synchronizer (16) engages the driving motor output shaft (34) and the seventh gear (27), and the power of the driving motor (14) passes through the The seventh gear (27) to the fourth gear (24) is transmitted to the differential (15) after passing through the fifth gear (25) to the final reduction gear (28), and the differential The drive (15) transmits power to the first driving wheel (41) and the second driving wheel (42) through the first driving half shaft (35) and the second driving half shaft (36).

7. The hybrid power coupling system according to claim 2, characterized in that, in the hybrid driving mode, the engine (11) starts, and the first synchronizer (13) engages the first shaft ( 31) and the second gear (22), the power of the engine (11) passes through the second gear (22) and the fourth gear (24) to the second shaft (32) and the The power coupling of the driving motor (14); the second synchronizer (16) engages the driving motor output shaft (34) and the sixth gear (26), and the power of the driving motor (14) passes through the The sixth gear (26) is transferred to the third gear (23) through the fifth gear (25) to the final reduction gear (28) and then transmitted to the differential (15). The drive (15) transmits power to the first driving wheel (41) and the second driving wheel (42) through the first driving half shaft (35) and the second driving half shaft (36).

8. The hybrid power coupling system according to claim 2, characterized in that, in the hybrid drive mode, the engine (11) starts, and the first synchronizer (13) engages the first shaft ( 31) and the second gear (22), the power of the engine (11) passes through the second gear (22) and the fourth gear (24) to the second shaft (32) and the The power coupling of the driving motor (14); the second synchronizer (16) engages the driving motor output shaft (34) and the seventh gear (27), and the power of the driving motor (14) passes through the The seventh gear (27) to the fourth gear (24) is transmitted to the differential (15) after passing through the fifth gear (25) to the final reduction gear (28), and the differential The drive (15) transmits power to the first driving wheel (41) and the second driving wheel (42) through the first driving half shaft (35) and the second driving half shaft (36).

9. The hybrid power coupling system according to claim 1, characterized in that, the hybrid power coupling system further comprises a shock absorber (17), and the shock absorber (17) is arranged between the engine (11) and Between the first synchronizer (13).

10. A hybrid electric vehicle, characterized in that the hybrid electric vehicle comprises the hybrid power coupling system according to any one of claims 1 to 9.