CN209381781U

CN209381781U - Hybrid electric drive system and vehicle

Info

Publication number: CN209381781U
Application number: CN201822007823.3U
Authority: CN
Inventors: 翟震; 王文静; 梅绍坤; 熊雨超; 尹文辉
Original assignee: BYD Co Ltd
Current assignee: BYD Co Ltd
Priority date: 2018-11-30
Filing date: 2018-11-30
Publication date: 2019-09-13
Anticipated expiration: 2028-11-30

Abstract

The application belongs to technical field of hybrid power, it is related to a kind of hybrid electric drive system and vehicle, the hybrid electric drive system includes engine, gearbox and motor power device, flywheel is connected between engine and arrangement of clutch, the power splitting mechanism includes motor power distributing shaft, mode selector, first mode driving gear, second mode driving gear and second mode follower, and the motor power distributes motor described in axis connection to receive the power of the motor；The flywheel is engaged with the first mode driving gear, the second mode follower is connected between the second mode driving gear and gear box output end, and the mode selector optionally connects the motor and flywheel or the motor and gear box output end.The hybrid electric drive system and vehicle of the application shortens drive path when motor driven and power generation, solves the contradiction of transmission efficiency and spatial arrangement to a certain degree, system is more compact, and cost is lower.

Description

Hybrid electric drive system and vehicle

Technical field

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

Background technique

With the continuous consumption of the energy, the development and utilization of new energy vehicle oneself be increasingly becoming a kind of trend.Hybrid power Automobile is driven as one of new energy vehicle by engine and/or motor, is had various modes, can be improved Transmission efficiency and fuel economy.

Simultaneously as being not only equipped with engine in hybrid vehicle, but also it is equipped with motor, so that spatial arrangement becomes mixing and moves The designing points of power automobile.That is, how to solve the contradiction of transmission efficiency and spatial arrangement becomes the urgency for designing hybrid vehicle Problem to be solved.

Utility model content

Technical problems to be solved in this application are: a kind of hybrid electric drive system and vehicle are provided, to solve to be driven The contradiction of efficiency and spatial arrangement.

In order to solve the above technical problems, on the one hand, the embodiment of the present application provides a kind of hybrid electric drive system, including hair Motivation, gearbox and motor power device, the gearbox include gear and main reducing gear, the motor power device packet Include motor and power splitting mechanism；Wherein,

The gear includes arrangement of clutch, at least one input shaft and at least one output shaft, on the input shaft It is provided at least one forward gear driving gear, is provided on the output shaft and is engaged with the forward gear driving gear At least one forward gear driven gear, the input terminal of the arrangement of clutch are connected with the engine, the output of the arrangement of clutch End and the input axis connection, the output shaft are connect with the main reducing gear to transmit power；

Flywheel is connected between the engine and arrangement of clutch；

The power splitting mechanism includes motor power distributing shaft, mode selector, first mode driving gear, second Mode driving gear and second mode follower, the motor power distributing shaft is arranged independently of the gear, and institute It states motor power distributing shaft to be arranged independently of the motor, motor described in the motor power distribution axis connection is to receive the electricity The power of machine；The flywheel is engaged with the first mode driving gear, and the second mode follower is connected to described Between two modes driving gear and gear box output end；The mode selector optionally connects the motor and flywheel Or the motor and gear box output end；Wherein, the gear box output end includes output shaft, is arranged on the output shaft The main reducing gear driven gear of output gear and the main reducing gear engaged with the output gear.

Optionally, the first mode driving gear and second mode driving gear empty set are in the motor power distributing shaft On, the mode selector include be arranged on the motor power distributing shaft and be located at the first mode driving gear and First/second pattern synchronization device between second mode driving gear, the first/second pattern synchronization device optionally with The first mode driving gear and the engagement of second mode driving gear disconnect；

When the first/second pattern synchronization device is engaged with the first mode driving gear, the hybrid power driving System switches to first mode；It is described mixed when the first/second pattern synchronization device is engaged with the second mode driving gear It closes power-driven system and switches to second mode.

Optionally, one end of the motor power distributing shaft is fixedly connected on the rotor assembly of the motor；Either,

The hybrid electric drive system further includes the motor driving gear being fixed on the output shaft of the motor, described Power splitting mechanism further includes being fixed on the motor power distributing shaft and directly engaging with the motor driving gear Motor driven gear；Either,

The hybrid electric drive system further include the motor driving gear being fixed on the output shaft of the motor and The idle pulley being fixed on an idler shaft, the power splitting mechanism further include being fixed on the motor power distributing shaft Motor driven gear, the idle pulley are engaged with the motor driving gear and motor driven gear simultaneously.

Optionally, the second mode follower includes the second mode driven tooth being fixed on the output shaft Wheel, the second mode driving gear are directly engaged with second mode driven gear.

Optionally, the second mode follower includes motor jackshaft, the first intermediate gear and the second intermediate gear, First intermediate gear and the second intermediate gear are fixed on the motor jackshaft, the second mode driving gear and institute The engagement of the first intermediate gear is stated, second intermediate gear is engaged with the main reducing gear driven gear of the main reducing gear.

Optionally, the gear further includes reverse gear shaft, the first reverse idler gear, the second reverse idler gear and falls Driven gear is kept off, first reverse idler gear and the second reverse idler gear are fixed on the reverse gear shaft, described to reverse gear One of forward gear of the driven gear empty set on the output shaft, on first reverse idler gear and the input shaft Driving gear engagement, second reverse idler gear are engaged with the driven gear that reverses gear.

Optionally, the gear includes multiple forward gear driving gears and multiple forward gear driven gears, Duo Gesuo Stating forward gear driving gear includes a gear driving gear, two gear driving gear, three gear driving gears, four gear driving gears and five gears Driving gear, multiple forward gear driven gears include a gear driven gear, second gear driven gear, three gear driven gears, four Keep off driven gear and five gear driven gears；

The one gear driving gear, two gear driving gear, three gear driving gears, four gear driving gears and five gear driving gears It is fixed on input shaft, the gear driven gear, second gear driven gear, three gear driven gears, four gear driven gears and five gears Driven gear empty set is on the output shaft；The one gear driving gear reverses gear center tooth with a gear driven gear and first simultaneously Wheel engagement, the two gear driving gear are engaged with second gear driven gear, and the three gear driving gear is engaged with three gear driven gears, The four gear driving gear is engaged with four gear driven gears, and the five gear driving gear is engaged with five gear driven gears；It is described defeated Gear is fixed on the output shaft out；

1/2 gear being provided between a gear driven gear and second gear driven gear on the output shaft is synchronous Device, 3/5 between the three gear driven gear and five gear driven gears keep off synchronizer and are located at the four gears driven gear 4/R between the driven gear that reverses gear keeps off synchronizer, the 1/2 gear synchronizer optionally with a gear driven gear and The engagement of second gear driven gear disconnects, and the 3/5 gear synchronizer is optionally driven with the three gear driven gear and five gears Gear engagement disconnects, and the 4/R gear synchronizer is optionally engaged with the four gear driven gear and the driven gear that reverses gear Or it disconnects.

Optionally, the gear further includes reverse gear shaft, the driven gear that reverses gear, reverse idler gear, reverse gear synchronizer And output shaft intermediate gear, for the driven gear empty set of reversing gear on the reverse gear shaft, the reverse idler gear is fixed on institute It states on reverse gear shaft, the output shaft intermediate gear is fixed on the output shaft, driven gear and the input shaft of reversing gear On the engagement of one of forward gear driving gear, the reverse idler gear engages with the output shaft intermediate gear；It is described Reverse gear synchronizer is optionally engaged or is disconnected with the driven gear that reverses gear.

The one gear driving gear, two gear driving gear, three gear driving gears, four gear driving gears and five gear driving gears It is fixed on input shaft, the gear driven gear, second gear driven gear, three gear driven gears, four gear driven gears and five gears Driven gear empty set is on the output shaft；The one gear driving gear is nibbled with a gear driven gear and the driven gear that reverses gear simultaneously It closes, the two gear driving gear is engaged with second gear driven gear, and the three gear driving gear is engaged with three gear driven gears, described Four gear driving gears are engaged with four gear driven gears, and the five gear driving gear is engaged with five gear driven gears；The output gear Wheel is fixed on output shaft；

2/4 gear being provided between the second gear driven gear and four gear driven gears on the output shaft is synchronous Device, 3/5 between the three gear driven gear and five gear driven gears keep off synchronizer and are located at the gear driven gear Axial side 1 gear synchronizer, it is described 2/4 gear synchronizer optionally with the second gear driven gear and four gear driven tooths Wheel engagement or disconnect, it is described 3/5 gear synchronizer optionally with it is described three gear driven gear and five gear driven gears engage or It disconnects, the 1 gear synchronizer is optionally engaged or disconnected with the gear driven gear.

Optionally, the gear further includes reverse gear shaft, the driven gear that reverses gear, reverse idler gear and synchronization of reversing gear Device, on the reverse gear shaft, the reverse idler gear is fixed on the reverse gear shaft driven gear empty set of reversing gear, described The driven gear that reverses gear is engaged with one of forward gear driven gear on the output shaft, the reverse idler gear with it is described The main reducing gear driven gear of main reducing gear engages；The reverse gear synchronizer is optionally engaged with the driven gear that reverses gear Or it disconnects.

The one gear driving gear, two gear driving gear, three gear driving gears, four gear driving gears and five gear driving gears It is fixed on input shaft, the gear driven gear, second gear driven gear, three gear driven gears, four gear driven gears and five gears Driven gear empty set is on the output shaft；The one gear driven gear is nibbled with a gear driving gear and the driven gear that reverses gear simultaneously It closes, the two gear driving gear is engaged with second gear driven gear, and the three gear driving gear is engaged with three gear driven gears, described Four gear driving gears are engaged with four gear driven gears, and the five gear driving gear is engaged with five gear driven gears；The output gear Wheel is fixed on output shaft and engages with the main reducing gear driven gear of the main reducing gear；

Optionally, the gear driven gear is the duplicate gear for including coaxially connected first gear and second gear, The first gear is engaged with the gear driving gear, and the second gear is engaged with the driven gear that reverses gear.

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

The hybrid electric drive system and vehicle of the embodiment of the present application, actively by motor power distributing shaft, first mode Gear, second mode driving gear and second mode follower, mode selector optionally connect motor and speed change The input shaft or motor and gear box output end (output shaft, output gear, main reducing gear driven gear) of mechanism realize that mixing is dynamic The switching of power-driven system between the first mode and the second mode.Motor power distributing shaft is arranged independently of gear, and Motor power distributing shaft is arranged independently of motor, and the power distributing shaft being separately provided rationally is utilized system radial space, is not required to To do very big change to the gear of original engine, power splitting mechanism can driven separately motor power to speed change Case output end or flywheel, motor side running part and the drive path registration of traditional gear part are lower, shorten motor Drive path when driving and power generation, makes the control of system more simple and more efficient, and ensure that motor simultaneously in this way Efficient driving solves the contradiction of transmission efficiency and spatial arrangement to a certain degree.Power splitting mechanism and flywheel and gearbox are defeated The transmission of outlet is all direct-drive, and while so that hybrid electric drive system is realized both of which switching, drive path is done To most short, the transmission efficiency of system is substantially increased.It is dynamic that this hybrid electric drive system can be applied to the mixing such as double clutch, AMT Power technology.

In addition, the hybrid electric drive system and vehicle of the embodiment of the present application also have the advantage that

(1) the Setting pattern selection device on motor power axis, actively by the first mode on motor power distributing shaft Gear is engaged with the direct of the flywheel on input shaft, and is connected on motor power distributing shaft by second mode follower Second mode driving gear and gear box output end, mode selector optionally connect motor and flywheel or motor and change The power of motor is transmitted to flywheel or gear box output end by mode selector selectivity, makes to mix by fast case output end Closing power-driven system may be implemented pure fuel oil drive mode, first mode and second mode, have combined drive under first mode Dynamic model formula, driving power generation mode and power generation in parking mode；Under second mode have pure electric vehicle drive mode, combination drive mode, Driving power generation mode and deceleration/Brake Energy take-back model.As it can be seen that the hybrid electric drive system can be realized more Working mould Formula corresponds to different operating conditions, selects suitable operating mode, in the case where not reducing dynamic property, advantageously reduce energy consumption.Root Different operational modes may be selected according to the different demands target of vehicle, realize " Che Duomo ", enrich the functionality of vehicle.

(2) what motor power distributing shaft can be done is shorter, and motor power distributing shaft can not only arrange with motor compact, also It can flexibly be arranged according to different vehicle body platforms, different spaces.

(3) motor power distributing shaft is incited somebody to action by mode selector respectively with gear box output end and flywheel direct-drive Drive path is accomplished most short, greatly improves transmission efficiency, motor is made all to have very high efficiency in driving or power generation.

(4) when first/second pattern synchronization device engages second mode driving gear, motor power is distributed by motor power Axis, second mode driving gear, second mode driven gear, output shaft, output gear, main reducing gear driven gear are transmitted to master Retarder, either, motor power pass through in motor power distributing shaft, second mode driving gear, the first intermediate gear, motor Between axis, the second intermediate gear, main reducing gear driven gear be transmitted to main reducing gear, realize the second mode output of system.Due to Motor power distributing shaft and output shaft by direct geared linkage, in a second mode under motor side drive path very It is short, greatly improve transmission efficiency.

(5) system is under the combination drive mode of second mode, when engine gear generates power loss and causes to change When keeping off pause and transition in rhythm or melody, the power that engine is lost by shift can be supplemented by motor, caused shift when solving conventional gearbox shift Pause and transition in rhythm or melody problem keeps shift process more smooth, promotes driving experience.

(6) when first/second pattern synchronization device engages first mode driving gear, system is in first mode, starts Machine work, arrangement of clutch engagement, engine gear synchronizer do corresponding actions, and motor is used as driving motor, and motor passes through motor Power distributing shaft, first mode driving gear, flywheel input motor power and engine power coupling from arrangement of clutch jointly, Drive wheel jointly by engine various gears, realize the full gear hybrid power output of first mode, by coupling electric machine and The power of engine can increase the driving force of system, promote dynamic property.Motor can realize full gear driving, the choosing to motor Type requires also reduce.

(7) when first/second pattern synchronization device engages first mode driving gear, system is in first mode, starts Machine work, arrangement of clutch disconnect, motor be used as generator, can by the power of engine by flywheel, first mode driving gear, Motor power distributing shaft is transmitted to motor side, realizes power generation in parking function.By speed increasing ratio power generation in parking, power generation is further increased Efficiency.

(8) when first/second pattern synchronization device engages first mode driving gear, system is in first mode, clutch When device disconnects, motor passes through power distributing shaft, first mode driving gear, flywheel, song as driving motor, by motor power Axis is transmitted to engine to realize quick start engine.

Detailed description of the invention

Fig. 1 is the structure diagram for the hybrid electric drive system that the application first embodiment provides；

Fig. 2 is the structure diagram for the hybrid electric drive system that the application second embodiment provides；

Fig. 3 is the structure diagram for the hybrid electric drive system that the application 3rd embodiment provides；

Fig. 4 is the frame diagram of vehicle provided by the embodiments of the present application.

Appended drawing reference in specification is as follows:

1000, vehicle；

100, hybrid electric drive system；

1, motor；

2, engine；

3, power splitting mechanism；301, motor power distributing shaft；302, first/second pattern synchronization device；303, the first mould Formula driving gear；304, second mode driving gear；305, second mode driven gear；306, motor jackshaft；307, first Intermediate gear；308, the second intermediate gear；

4, gear；401, arrangement of clutch；402, input shaft；403, output shaft；404, a gear driving gear；405, two Keep off driving gear；406, three gear driving gear；407, four gear driving gear；408, five gear driving gear；409, a gear driven tooth Wheel；4091, first gear；4092, second gear；410, second gear driven gear；411, three gear driven gear；412, four gears are driven Gear；413, five gear driven gear；414, reverse gear shaft；415, the first reverse idler gear；416, the second reverse idler gear； 417, reverse gear driven gear；418, output gear；419,1/2 gear synchronizer；420,3/5 gear synchronizer；421,4/R gear synchronizes Device；422, reverse idler gear；423, reverse gear synchronizer；424, output shaft intermediate gear；425,1 gear synchronizer；426,2/4 gear Synchronizer；

5, main reducing gear；501, differential mechanism；502, main reducing gear driven gear；

6, flywheel.

Specific embodiment

The technical issues of in order to keep the application solved, technical solution and beneficial effect are more clearly understood, and engage below The application is described in further detail in accompanying drawings and embodiments.It should be appreciated that specific embodiment described herein is only To explain the application, it is not used to limit the application.

First mode in the application refers to that the power of motor is input to the input terminal of gearbox, and second mode refers to motor Power be input to the output end of gearbox.

In hybrid electric drive system, one is be arranged motor between clutch and gearbox, can thus make axis It is lengthened to size, the space layout of assembly is made to become more difficult.There are also one is, clutch and motor are integrated in one, It thus can solve the excessive problem of axial dimension, but can propose high requirement to integrated technique again in this way, increase technology Difficulty improves processing cost.

In addition, the power of motor and engine is all to transmit to export by clutch, clutch is inevitably aggravated Use burden；Also, in combination drive, it is limited to the limitation of clutch maximum input torque, is needed to engine and motor Coupling torque is limited, and the power performance of vehicle is reduced.

In hybrid electric drive system, motor is arranged on the output shaft of gearbox, individual pure electric vehicle road can be passed through Diameter drives wheel, and power is not limited without clutch by clutch input torque.When the power of traveling shift engine is disconnected When opening, it can realize that the engine power lost by the power supplement shift process of motor continues to drive wheel, to keep vehicle Ride comfort in driving process.But since space factor influences, in order to avoid reverse gear shaft and output shaft in gearbox etc. Design of electrical motor is usually to be connected to gearbox by idler mechanism in hybrid power gearbox by component, will result in this way because The presence of idle pulley and keep gearbox occupied space bigger, be unfavorable for the space layout and lightweight of vehicle.Also, it will also result in electricity The transmission path of generator terminal to road wheel end lengthens, and reduces transmission efficiency.In addition, motor and main reducing gear cannot achieve uncoupled dynamic space, When the vehicle is still, motor is unable to run.It can not generate electricity in parking waiting, will lead to electricity decline, can not balance.

Therefore system is made optionally to switch two kinds of operational modes of first mode and second mode, it can be according to different The characteristics of requirement objective is to select different operational modes, system is allow to have both first mode and second mode.

For example, a kind of hybrid electric drive system, motor driving gear is coupled on 5 gear driving gears by idle pulley, is led to Cross an axis be arranged first mode synchronizer, two axis be arranged second mode synchronizer, make vehicle may be implemented first mode with The switching of second mode both of which.But motor driving gear is coupled on 5 gear driving gears by idle pulley, and either first When mode or second mode are run, the drive path of motor to road wheel end is all long, this will lead to biography when motor driven Efficiency of movement is lower.Motor driving gear is coupled on 5 gear driving gears by idle pulley, can be with hair in drive path when motor exports Motivation shares the speed ratio of shift gear, the speed ratio matching of motor side gear when this is to first mode, second mode and power generation mode And design of gears can bring certain difficulty.Have again, either first mode or second mode driving, motor can all pass through speed change 5 gear gears of case and the output shaft of gearbox carry out power transmitting, it is contemplated that keeping off gear and output shaft there are also the 5 of engine end makes With rate, this can increase the load that 5 gear gears and output shaft are born significantly, this is just to intensity and the longevity of 5 gear gears and output shaft Life is put forward higher requirements, and improves process costs.In addition, motor driving gear is coupled on 5 gear driving gears by idle pulley, electricity Generator terminal and engine end share the same output shaft and output gear, and first mode synchronizer is arranged in an axis, set in two axis Second mode synchronizer is set, causes motor side running part and the drive path registration of conventional gearbox part higher, two Running part can not be mutually indepedent, can have an impact between each other, for example, when user selects second mode hybrid power to accelerate, from When the gear of hybrid power 4 is switched to the gear of hybrid power 5, the gear of second mode hybrid power 5 can not be switched to, and needs first to select to switch To first mode, realize that hybrid power 5 is kept off；There are also second mode EV run at high speed electricity it is relatively low it is desired switching 5 gear hybrid powers When, it also needs first to be switched to first mode, realization is switched to the gear output of hybrid power 5, and the control strategy of system is made to become multiple Miscellaneous, difficulty increases.

In addition, motor side and engine end share the same output shaft and output gear in hybrid electric drive system, Output shaft power torque loads are big, and the intensity requirement of output shaft is higher and the service life is impacted, and the diameter of axle needs of output shaft are bigger, defeated The diameter of gear and thickness are required to bigger out, and system cost is higher, and volume is larger, and heavier-weight influences vehicle performance.

Hybrid electric drive system provided by the embodiments of the present application, including engine, gearbox and motor power device, institute Stating gearbox includes gear and main reducing gear, and the motor power device includes motor and power splitting mechanism.

The gear includes arrangement of clutch, at least one input shaft and at least one output shaft, on the input shaft It is provided at least one forward gear driving gear, is provided on the output shaft and is engaged with the forward gear driving gear At least one forward gear driven gear, the input terminal of the arrangement of clutch are connected with the engine, the output of the arrangement of clutch End and the input axis connection, the output shaft are connect with the main reducing gear to transmit power.

Flywheel is connected between the engine and arrangement of clutch.Flywheel can be single mass flywheel or double mass flywheel. Flywheel has the outer gear ring engaged with following first mode driving gears.

The power splitting mechanism includes motor power distributing shaft, mode selector, first mode driving gear, second Mode driving gear and second mode follower, the motor power distributing shaft is arranged independently of the gear, and institute It states motor power distributing shaft to be arranged independently of the motor, motor described in the motor power distribution axis connection is to receive the electricity The power of machine；The flywheel is engaged with the first mode driving gear, and the second mode follower is connected to described Between two modes driving gear and gear box output end；The mode selector optionally connects the motor and flywheel Or the motor and gear box output end；Wherein, the gear box output end includes output shaft, is arranged on the output shaft The main reducing gear driven gear of output gear and the main reducing gear engaged with the output gear.The second mode follower It is connected between the second mode driving gear and gear box output end, refers to, the second mode follower is connected to Between one of them of the second mode driving gear and output shaft, output gear and main reducing gear driven gear three.

Arrangement of clutch is single clutch, double clutch or other suitable clutches, such as dry clutch and wet type Clutch.

The main reducing gear includes differential mechanism and main reducing gear driven gear, and the main reducing gear driven gear is integrated in difference On the shell of fast device, the main reducing gear driven gear is engaged with the output gear on the output shaft of gear.

In some embodiments, the first mode driving gear and second mode driving gear empty set are in the motor On power distributing shaft, the mode selector includes being arranged on the motor power distributing shaft and being located at the first mode master First/second pattern synchronization device between moving gear and second mode driving gear, the first/second pattern synchronization device are optional Engages or disconnect with the first mode driving gear and second mode driving gear to selecting property；The first/second mode is same When step device is engaged with the first mode driving gear, the hybrid electric drive system switches to first mode；Described first/ When second mode synchronizer is engaged with the second mode driving gear, the hybrid electric drive system switches to the second mould Formula.

In some embodiments, one end of the motor power distributing shaft is fixedly connected on the rotor assembly of the motor On.Direct-drive between motor and motor power distributing shaft, does not need intermediate transfer mechanism, and structure is simple.

In some embodiments, the hybrid electric drive system further includes the electricity being fixed on the output shaft of the motor Owner's moving gear, the power splitting mechanism further include be fixed on the motor power distributing shaft and with the motor master The motor driven gear that moving gear directly engages.In this way, motor power distributing shaft is via motor driving gear and motor driven tooth Wheel is connected to motor, it is thus possible to which the speed ratio for setting freely engine and motor makes engine and motor be used as generator When high efficiency region matching, can be realized the raising of generating efficiency.

In some embodiments, the hybrid electric drive system further includes the electricity being fixed on the output shaft of the motor Owner's moving gear and the idle pulley being fixed on an idler shaft, the power splitting mechanism further include being fixed at the motor Motor driven gear on power distributing shaft, the idle pulley are engaged with the motor driving gear and motor driven gear simultaneously. Motor driving gear is connected by power by idle pulley and the motor driven gear on motor power distributing shaft, can be in AMT gearbox knot Structure changes the power intervention that motor is realized in lesser situation.

In some embodiments, the second mode follower includes the second mould being fixed on the output shaft Formula driven gear, the second mode driving gear are directly engaged with second mode driven gear.The second mode driven machine Structure only includes second mode driven gear, and system structure is simple, and drive path is short.

In some embodiments, the second mode follower includes motor jackshaft, the first intermediate gear and second Intermediate gear, first intermediate gear and the second intermediate gear are fixed on the motor jackshaft, the second mode master Moving gear is engaged with first intermediate gear, the main reducing gear driven gear of second intermediate gear and the main reducing gear Engagement.

In some embodiments, the gear further includes reverse gear shaft, the first reverse idler gear, second reverses gear centre Gear and the driven gear that reverses gear, first reverse idler gear and the second reverse idler gear are fixed on the reverse gear shaft, The driven gear empty set of reversing gear on the output shaft, on first reverse idler gear and the input shaft wherein one A forward gear driving gear engagement, second reverse idler gear are engaged with the driven gear that reverses gear；The reverse gear synchronizer can Selectively engages or disconnect with the driven gear that reverses gear.The reverse gear shaft being separately provided, it is possible to reduce the quantity of gear is shared, System space arrangement is more flexible.

In some embodiments, the gear further includes reverse gear shaft, the driven gear that reverses gear, reverse idler gear, falls Gear synchronizer and output shaft intermediate gear, the output shaft intermediate gear are fixed on the output shaft, the driven tooth of reversing gear Empty set is taken turns on the reverse gear shaft, the reverse idler gear is fixed on the reverse gear shaft, driven gear and the institute of reversing gear One of forward gear driving gear engagement on input shaft is stated, the reverse idler gear is nibbled with the output shaft intermediate gear It closes；The reverse gear synchronizer is optionally engaged or is disconnected with the driven gear that reverses gear.The reverse gear shaft being separately provided, can be with The quantity for sharing gear is reduced, system space arrangement is more flexible.

In some embodiments, the gear further includes reverse gear shaft, the driven gear that reverses gear, reverse idler gear and falls Synchronizer is kept off, for the driven gear empty set of reversing gear on the reverse gear shaft, the reverse idler gear is fixed on the reverse gear shaft On, the driven gear that reverses gear is engaged with one of forward gear driven gear on the output shaft, the center tooth of reversing gear Wheel is engaged with the main reducing gear driven gear of the main reducing gear；The reverse gear synchronizer optionally with it is described reverse gear it is driven Gear engagement disconnects.The reverse gear shaft being separately provided, it is possible to reduce share the quantity of gear, system space arrangement is more flexible. It is directly engaged by reverse idler gear with main reducing gear driven gear, reduces an output shaft intermediate gear, shortening is reversed gear Power transfer path.

In some embodiments, the gear does not include reverse gear shaft and the dedicated gear that reverses gear, but by motor Reversion turns to be directly realized by reverse gear.Systematic part is few, and structure is simple, at low cost.

(6) when first/second pattern synchronization device engages first mode driving gear, system is in first mode, starts Machine work, arrangement of clutch engagement, engine gear synchronizer do corresponding actions, and motor is used as driving motor, and motor passes through motor Power distributing shaft, first mode driving gear, flywheel input motor power and engine power coupling from arrangement of clutch jointly, Drive wheel jointly by engine various gears, realize the full gear hybrid power output of first mode, by coupling electric machine and The power of engine can increase the driving force of system, promote dynamic property.The alternative engine of motor realizes full gear driving, The requirements of type selecting of motor can also be reduced.

Fig. 1 to Fig. 3 is engaged below, and multiple embodiments of the application are described in detail.

First embodiment

As shown in Figure 1, the hybrid electric drive system 100 that the application first embodiment provides, including engine 2, speed change Case and motor power device, the gearbox include gear 4 and main reducing gear 5, and the motor power device includes motor 1 With power splitting mechanism 3.

The main reducing gear 5 includes differential mechanism 501 and main reducing gear driven gear 502, the main reducing gear driven gear 502 are integrated on the shell of differential mechanism 501, on the output shaft 403 of the main reducing gear driven gear 502 and gear 4 Output gear 418 engages.

The gear 4 includes arrangement of clutch 401, input shaft 402 and output shaft 403, is arranged on the input shaft 402 There are 5 forward gear driving gears, before 5 be engaged with the forward gear driving gear are provided on the output shaft 403 Into gear driven gear, that is, a gear driving gear 404, two gear driving gear 405, three keep off driving gear 406, four and keep off driving gear 407 and five gear driving gear 408.

5 forward gear driven gears being engaged with the forward gear driving gear are provided on the output shaft 403, That is, a gear driven gear 409, second gear driven gear 410, three are kept off, driven gear 411, four keeps off driven gear 412 and five gears are driven Gear 413.The input terminal of the arrangement of clutch 401 is connect with the engine 2, the output end of the arrangement of clutch 401 and institute The connection of input shaft 402 is stated, the output shaft 403 is connect with the main reducing gear 5 to transmit power.

Flywheel 6 is connected between the engine 22 and arrangement of clutch 401.Flywheel 6 can be single mass flywheel or double matter Measure flywheel.Flywheel 6 has the outer gear ring engaged with following first mode driving gears 303.

The power splitting mechanism 3 includes motor power distributing shaft 301, mode selector, first mode driving gear 303, the second mode driven gear 305 of second mode driving gear 304 and composition second mode follower, the motor Power distributing shaft 301 is arranged independently of the gear 4, and the motor power distributing shaft 301 is set independently of the motor 1 It sets, the motor power distributing shaft 301 connects the motor 1 to receive the power of the motor 1；The flywheel 6 and described the The engagement of one mode driving gear 303, the second mode driven gear 305 are arranged on the output shaft 403 and with described the Two modes driving gear 304 directly engages；The mode selector optionally connects the motor 1 and flywheel 6 or institute State motor 1 and gear box output end.

In first implementation, the second mode driven gear 305 (second mode follower) is connected to second mould Between formula driving gear 304 and output shaft 403 (gear box output end).

In first embodiment, one end of the motor power distributing shaft 301 is fixedly connected on the rotor assembly of the motor 1 On.In this way, direct-drive between motor 1 and motor power distributing shaft 301, does not need intermediate transfer mechanism, structure is simple.

Preferably, the first mode driving gear 303 and 304 empty set of second mode driving gear are in the motor power On distributing shaft 301, the mode selector includes being arranged on the motor power distributing shaft 301 and being located at first mould First/second pattern synchronization device 302 between formula driving gear 303 and second mode driving gear 304, the first/second Pattern synchronization device 302 optionally engages or is broken with the first mode driving gear 303 and second mode driving gear 304 It opens.

When the first/second pattern synchronization device 302 is engaged with the first mode driving gear 303, the mixing is dynamic Power-driven system 100 switches to first mode；The first/second pattern synchronization device 302 and the second mode driving gear When 304 engagement, the hybrid electric drive system 100 switches to second mode.

In first embodiment, the gear further includes reverse gear shaft 414, the first reverse idler gear 415, second reverses gear Intermediate gear 416 and the driven gear 417 that reverses gear, first reverse idler gear 415 and the second reverse idler gear 416 are fixed On the reverse gear shaft 414, on the output shaft 403, described first reverses gear center tooth 417 empty set of driven gear of reversing gear Wheel 415 on the input shaft 402 one keep off driving gear 404 engage, second reverse idler gear 416 with reverse gear it is driven Gear 417 engages.One gear driving gear 404 is used as the driving gear that reverses gear, and reduces gear quantity.

In first embodiment, the gear driving gear 404, two gear driving gear 405, three are kept off driving gear 406, four and are kept off Driving gear 407 and five gear driving gears 408 are fixed on input shaft 402, a gear driven gear 409, second gear driven tooth 410, three gear driven gear 411, four of wheel keeps off driven gear 412 and five gear 413 empty sets of driven gear on the output shaft 403； The one gear driving gear 404 is engaged with a gear driven gear 409 and the driven gear 417 that reverses gear simultaneously, the second gear driving tooth Wheel 405 is engaged with second gear driven gear 410, and the three gear driving gear 406 is engaged with three gear driven gears 411, four gear Driving gear 407 is engaged with four gear driven gears 412, and the five gear driving gear 408 is engaged with five gear driven gears 413；Institute Output gear 418 is stated to be fixed on the output shaft 403.

1/ be provided on the output shaft 403 between a gear driven gear 409 and second gear driven gear 410 2 gear synchronizers 419, the 3/5 gear synchronizer 420 between the three gear driven gear 411 and five gear driven gears 413 and position 4/R between the four gear driven gear 412 and the driven gear 417 that reverses gear keeps off synchronizer 424, the 1/2 gear synchronizer 419 Optionally engages or disconnect with a gear driven gear 409 and second gear driven gear 410, the 3/5 gear synchronizer 420 It optionally engages or disconnects with the three gear driven gear 411 and five gear driven gears 413, the 4/R keeps off synchronizer 424 Optionally engages or disconnect with the four gear driven gear 412 and the driven gear 417 that reverses gear.

In first implementation, reverses gear and 4 keep off shared synchronizer, a synchronizer can be saved, to reduce system cost, structure It is more simple.

The engine 2 and the input shaft 402 are coaxially arranged, the input shaft 402, output shaft 403 and motor power Distributing shaft 301 is not on the same line.

In first embodiment, motor power distributing shaft 301 be can be set shorter, and motor power distributing shaft 301 not only may be used With with the compact arrangement of motor 1, moreover it is possible to flexibly arranged according to different vehicle body platforms, different spaces.

The axis of the output shaft 403 of the motor, motor power distributing shaft 301 and main reducing gear 5 spatially can be It arranges in triangle.That is, by the radial center of the output shaft 403 of the motor, motor power distributing shaft 301 and main reducing gear 5 with Certain angle arrangement is conducive to the height of compressibility, system dimension is made further to contract without being distributed on the same line Small, space becomes more compact.

In first embodiment, when first/second pattern synchronization device 302 engages second mode driving gear 304, motor 1 is dynamic Power passes through motor power distributing shaft 301, second mode driving gear 304, second mode driven gear 305, output shaft 403, defeated Gear 418, main reducing gear driven gear 502 are transmitted to main reducing gear 5 out, realize the second mode output of system.Due to motor Power distributing shaft 301 and output shaft 403 are linked by direct geared, descend the drive path at 1 end of motor in a second mode very It is short, greatly improve transmission efficiency.

When system is under the combination drive mode of second mode, when the shift of engine 2 generates power loss and cause to change When keeping off pause and transition in rhythm or melody, the power that engine 2 is lost by shift can be supplemented by motor 1, it is caused when solving conventional gearbox shift to change Pause and transition in rhythm or melody problem is kept off, keeps shift process more smooth, promotes driving experience.

When first/second pattern synchronization device 302 engages first mode driving gear 303, in the following several ways:

(1) engine 2 works, and arrangement of clutch 401 engages, and 2 gear synchronizer of engine does corresponding actions, and motor 1 is used as Driving motor, motor 1 is by motor power distributing shaft 301, first mode driving gear 303, flywheel 6 by 1 power of motor and hair 2 power coupling of motivation is inputted from arrangement of clutch 401 jointly, is driven wheel jointly by 2 various gears of engine, is realized first mode The output of full gear hybrid power the driving force of system can be increased by the power of coupling electric machine 1 and engine 2, promoted dynamic Power.

(2) engine 2 works, and arrangement of clutch 401 disconnects, and motor 1 is used as generator, can pass through the power of engine 2 Flywheel 6, first mode driving gear 303, motor power distributing shaft 301 are transmitted to motor side, realize power generation in parking function.Pass through Speed increasing ratio power generation in parking, further increases generating efficiency.

(3) arrangement of clutch 401 disconnect when, motor 1 be used as driving motor, by 1 power of motor by power distributing shaft 301, First mode driving gear 303, flywheel 6, crankshaft are transmitted to engine 2 to realize quick start engine 2.

It is selectively engaged by first/second pattern synchronization device 302 on motor power distributing shaft 301, it can be achieved that mixing Different operation moulds may be selected according to the different demands target of vehicle for the first mode of dynamical system and the switching of second mode Formula is realized " Che Duomo ", and the functionality of vehicle is enriched.

The hybrid electric drive system 100 of first embodiment, is connect by the selectivity of arrangement of clutch 401 and each synchronizer It closes, it can be achieved that following output mode:

(1) pure fuel oil drive mode

Realize the power output of pure 5 gears of fuel oil drive mode, the shift fork of each synchronizer is on a left side for each gear Right movement relation is as shown in table 1 below, and (left and right herein refers only to the left and right directions in figure, does not limit side in actual work Position, similarly hereinafter):

Table 1

(2) second mode

When first/second pattern synchronization device 302 engages second mode driving gear 304, motor 1 is the second output mould Formula, hybrid electric drive system 100 switch to second mode.Point or less several operating conditions:

1, pure electric vehicle drive mode: engine 2 does not work, and arrangement of clutch 401 disconnects, and 1 power of motor passes through motor power Distributing shaft 301, second mode driving gear 304, second mode driven gear 305, output shaft 403, output gear 418, master subtract Fast device driven gear 502 is transmitted to main reducing gear 5, realizes the pure electric vehicle output of motor 1.

2, hybrid power drive mode: while engine 2 drives, starting motor 1, it can be achieved that the power of motor 1 is intervened, To realize the output of the full gear under hybrid power drive mode, the movement of each synchronizer such as the following table 2:

Table 2

3, driving power generation: in driving conditions, first/second pattern synchronization device 302 is joined to second mode driving gear 304, motor 1 is used as generator, and while the power of engine 2 is exported from wheel, partial power is passed through output shaft 403, electricity Mechanomotive force distributing shaft 301 is transmitted to motor 1, realizes driving power generation.

4, when deceleration/Brake Energy recycling: slowing down or braking, first/second pattern synchronization device 302 is joined to second mode master Moving gear 304, energy pass to motor 1 by output shaft 403, motor power distributing shaft 301 from wheel, realize kinetic energy recycling.

(3) first mode

When first/second pattern synchronization device 302 engages first mode driving gear 303, hybrid electric drive system 100 Switch to first mode, point or less several operating conditions:

1, hybrid power drive mode: while engine 2 exports, starting motor 1, it can be achieved that the power of motor 1 is intervened, To realize the full gear output of hybrid power, synchronizer movement such as the following table 3:

Table 3

3, driving power generation: in driving conditions, first/second pattern synchronization device 302 engages first mode driving gear 303, Motor 1 is used as generator, and while the power of engine 2 is inputted from input shaft 402, partial power is passed through flywheel 6, the first mould Formula driving gear 303, motor power distributing shaft 301 are transmitted to motor 1, realize driving power generation.

4, power generation in parking: when first/second pattern synchronization device 302 engages first mode driving gear 303, engine 2 Work, arrangement of clutch 401 engage, and 2 gear synchronizer of engine is failure to actuate, and motor 1 is used as generator, can be by the dynamic of engine 2 Power is transmitted to 1 end of motor by flywheel 6, first mode driving gear 303, motor power distributing shaft 301, realizes power generation in parking function Energy.

Second embodiment

Fig. 2 shows the hybrid electric drive systems 100 of the application second embodiment.With first embodiment have it is following not It is same:

(1) structure of second mode follower is different.Specifically, the second mode follower includes among motor Axis 306, the first intermediate gear 307 and the second intermediate gear 308, first intermediate gear 307 and the second intermediate gear 308 are solid It is scheduled on the motor jackshaft 306, the second mode driving gear 304 is engaged with first intermediate gear 307, described Second intermediate gear 308 is engaged with the main reducing gear driven gear 502 of the main reducing gear 5.

(2) realize that the structure reversed gear is different.Specifically, the gear 4 further includes reverse gear shaft 414, driven tooth of reversing gear Wheel 417, reverse idler gear 422, reverse gear synchronizer 423 and output shaft intermediate gear 424, the output shaft intermediate gear 424 It is fixed on the output shaft 403,417 empty set of driven gear of reversing gear is on the reverse gear shaft 414, the center tooth of reversing gear Wheel 424 is fixed on the reverse gear shaft 414, the gear driving gear to reverse gear on driven gear 417 and the output shaft 403 404 engagements, the reverse idler gear 422 are engaged with the output shaft intermediate gear 424；The reverse gear synchronizer 423 is optional Engages or disconnect with the driven gear 417 that reverses gear to selecting property.

(3) gear, synchronizer setting are slightly different.Specifically, a gear driving gear 404, two gear driving gear 405, three gear driving gears 406, four keep off driving gear 407 and five gear driving gears 408 are fixed on input shaft 402, and described one Keep off driven gear 409, second gear driven gear 410, three keeps off driven gear 411, four and keeps off driven gear 412 and five gear driven gears 413 empty sets are on the output shaft 403；The one gear driving gear 404 keeps off driven gear 409 and driven tooth of reversing gear with one simultaneously 417 engagement of wheel, the two gear driving gear 405 are engaged with second gear driven gear 410, the three gear driving gear 406 and three gears Driven gear 411 engages, and the four gear driving gear 407 is engaged with four gear driven gears 412, the five gears driving gear 408 It is engaged with five gear driven gears 413；The output gear 418 is fixed on output shaft 403.It is provided on the output shaft 403 2/4 gear synchronizer 426 between the second gear driven gear 410 and four gear driven gears 412, to be located at three gear driven 3/5 between gear 411 and five gear driven gears 413 keeps off synchronizer 420 and positioned at axial the one of the gear driven gear 409 1 gear synchronizer 425 of side, the 2/4 gear synchronizer 426 are optionally driven with the second gear driven gear 410 and four gears The engagement of gear 412 disconnects, and the 3/5 gear synchronizer 420 is optionally driven with the three gear driven gear 411 and five gears The engagement of gear 413 disconnects, and the 1 gear synchronizer 425 is optionally engaged or disconnected with the gear driven gear 409.

In second embodiment, gear reversing function is realized by the reverse gear shaft 414 being separately provided, control is simple, it is possible to reduce altogether With the quantity of gear, system space is arranged more flexible.

3rd embodiment

Fig. 3 shows the hybrid electric drive system 100 of the application 3rd embodiment.With second embodiment have it is following not It is same:

The connection relationship of (1) one gear driven gear 409 is different.One gear driven gear 409 keeps off driving gear 404 with one simultaneously And the engagement of driven gear 417 of reversing gear.

The structure of (2) one gear driven gears 409 is different.The one gear driven gear 409 be include coaxially connected first The duplicate gear of gear 4091 and second gear 4092, the first gear 4091 are engaged with the gear driving gear 404, institute Second gear 4092 is stated to engage with the driven gear 417 that reverses gear.

(3) realize that the structure reversed gear is different.Specifically, the gear 4 further includes reverse gear shaft 414, driven tooth of reversing gear Wheel 417, reverse idler gear 422 and reverse gear synchronizer 423,417 empty set of driven gear of reversing gear is in the reverse gear shaft 414 On, the reverse idler gear 422 is fixed on the reverse gear shaft 414, the reverse idler gear 422 and the main reducing gear 5 main reducing gear driven gear 502 directly engages.

It in 3rd embodiment, is engaged by reverse idler gear 422 with main reducing gear driven gear 502, shortens and reverse gear Power transfer path.

In the selection of gear, four gears, five are respectively adopted to system from economy, dynamic property etc. in applicant Gear, six gears have carried out simulation analysis.In terms of economy, than four gears of five gears economic 2%, than four gears of six gears are economical 2%, five gears one thousandth more economic than six gears.In terms of dynamic property, under pure fuel oil drive mode, five gear four blocks 4.4% of ratio, Six gear four blocks 10.2% of ratio, six gears are compared with five blocks 6.1%.Under hybrid power drive mode, five gear ratios four Block 0.4%, six gear four blocks 1.7% of ratio, six gears are compared with five blocks 1.2%.Comprehensively consider hybrid power system After dynamic property, economy and energy consumption index, selects optimization design scheme to keep off for five, system structure is made to tend to simplify, dynamic property, Economy etc. is also advantageous.

Thus, in above-described embodiment, gear 4 has 5 forward gears, i.e., gear 4 is using 5 gears.

However, in other embodiments, being also possible to 1-4 or 6-12 forward gear, i.e. gear 4 also uses 1-4 Gear or 6-12 gear.

As shown in figure 4, the embodiment of the present application also provides a kind of vehicle 1000 comprising the hybrid power of above-described embodiment drives Dynamic system 100.

The foregoing is merely the preferred embodiments of the application, not to limit the application, all essences in the application Made any modifications, equivalent replacements, and improvements etc., should be included within the scope of protection of this application within mind and principle.

Claims

1. a kind of hybrid electric drive system, which is characterized in that including engine, gearbox and motor power device, the change Fast case includes gear and main reducing gear, and the motor power device includes motor and power splitting mechanism；Wherein,

The gear includes arrangement of clutch, at least one input shaft and at least one output shaft, is arranged on the input shaft There is at least one forward gear driving gear, at least 1 be engaged with the forward gear driving gear is provided on the output shaft A forward gear driven gear, the input terminal of the arrangement of clutch are connected with the engine, the output end of the arrangement of clutch with The input axis connection, the output shaft are connect with the main reducing gear to transmit power；

Flywheel is connected between the engine and arrangement of clutch；

The power splitting mechanism includes motor power distributing shaft, mode selector, first mode driving gear, second mode Driving gear and second mode follower, the motor power distributing shaft is arranged independently of the gear, and the electricity Mechanomotive force distributing shaft is arranged independently of the motor, and motor described in the motor power distribution axis connection is to receive the motor Power；The flywheel is engaged with the first mode driving gear, and the second mode follower is connected to second mould Between formula driving gear and gear box output end；The mode selector optionally connects the motor and flywheel or institute State motor and gear box output end；Wherein, the gear box output end include output shaft, the output that is arranged on the output shaft The main reducing gear driven gear of gear and the main reducing gear engaged with the output gear.

2. hybrid electric drive system according to claim 1, which is characterized in that the first mode driving gear and For two modes driving gear empty set on the motor power distributing shaft, the mode selector includes being arranged in the motor First/second pattern synchronization on power distributing shaft and between the first mode driving gear and second mode driving gear Device, the first/second pattern synchronization device optionally with the first mode driving gear and second mode driving gear Engagement disconnects；

When the first/second pattern synchronization device is engaged with the first mode driving gear, the hybrid electric drive system Switch to first mode；When the first/second pattern synchronization device is engaged with the second mode driving gear, the mixing is dynamic Power-driven system switches to second mode.

3. hybrid electric drive system according to claim 1, which is characterized in that one end of the motor power distributing shaft It is fixedly connected on the rotor assembly of the motor；Either,

The hybrid electric drive system further includes the motor driving gear being fixed on the output shaft of the motor, the power Distributor gear further includes the electricity for being fixed on the motor power distributing shaft and directly engaging with the motor driving gear Machine driven gear；Either,

The hybrid electric drive system further includes the motor driving gear being fixed on the output shaft of the motor and fixation Idle pulley on an idler shaft, the power splitting mechanism further include the motor being fixed on the motor power distributing shaft Driven gear, the idle pulley are engaged with the motor driving gear and motor driven gear simultaneously.

4. hybrid electric drive system according to claim 2, which is characterized in that the second mode follower includes The second mode driven gear being fixed on the output shaft, the second mode driving gear and second mode driven tooth Wheel directly engages.

5. hybrid electric drive system according to claim 2, which is characterized in that the second mode follower includes Motor jackshaft, the first intermediate gear and the second intermediate gear, first intermediate gear and the second intermediate gear are fixed on institute State on motor jackshaft, the second mode driving gear is engaged with first intermediate gear, second intermediate gear with The main reducing gear driven gear of the main reducing gear engages.

6. hybrid electric drive system according to claim 2, which is characterized in that the gear further includes reversing gear Axis, the first reverse idler gear, the second reverse idler gear and the driven gear that reverses gear, first reverse idler gear and second Reverse idler gear is fixed on the reverse gear shaft, and on the output shaft, described first falls the driven gear empty set of reversing gear Gear intermediate gear engage with one of forward gear driving gear on the input shaft, second reverse idler gear and Keep off driven gear engagement.

7. hybrid electric drive system according to claim 6, which is characterized in that the gear includes multiple advances Driving gear and multiple forward gear driven gears are kept off, multiple forward gear driving gears include gear a driving gear, second gear master Moving gear, three gear driving gears, four gear driving gears and five gear driving gears, multiple forward gear driven gears include a gear Driven gear, second gear driven gear, three gear driven gears, four gear driven gears and five gear driven gears；

The one gear driving gear, two gear driving gear, three gear driving gears, four gear driving gears and five gear driving gears are fixed On input shaft, the gear driven gear, second gear driven gear, three gear driven gears, four gear driven gears and five gears are driven Gear empty set is on the output shaft；The one gear driving gear is nibbled with a gear driven gear and the first reverse idler gear simultaneously It closes, the two gear driving gear is engaged with second gear driven gear, and the three gear driving gear is engaged with three gear driven gears, described Four gear driving gears are engaged with four gear driven gears, and the five gear driving gear is engaged with five gear driven gears；The output gear Wheel is fixed on the output shaft；

1/2 gear synchronizer, position being provided on the output shaft between a gear driven gear and second gear driven gear 3/5 between the three gear driven gear and five gear driven gears keeps off synchronizer and keeps off driven gear positioned at described four and reverse gear 4/R between driven gear keeps off synchronizer, the 1/2 gear synchronizer optionally with a gear driven gear and second gear from Moving gear engagement disconnects, and the 3/5 gear synchronizer optionally connects with the three gear driven gear and five gear driven gears It closes or disconnects, the 4/R gear synchronizer is optionally engaged or disconnected with the four gear driven gear and the driven gear that reverses gear.

8. hybrid electric drive system according to claim 2, which is characterized in that the gear further includes reversing gear Axis, the driven gear that reverses gear, reverse idler gear, reverse gear synchronizer and output shaft intermediate gear, the driven gear empty set of reversing gear On the reverse gear shaft, the reverse idler gear is fixed on the reverse gear shaft, and the output shaft intermediate gear is fixed on institute State on output shaft, the driven gear that reverses gear is engaged with one of forward gear driving gear on the input shaft, it is described fall Gear intermediate gear is engaged with the output shaft intermediate gear；The reverse gear synchronizer optionally with the driven gear that reverses gear Engagement disconnects.

9. hybrid electric drive system according to claim 8, which is characterized in that the gear includes multiple advances Driving gear and multiple forward gear driven gears are kept off, multiple forward gear driving gears include gear a driving gear, second gear master Moving gear, three gear driving gears, four gear driving gears and five gear driving gears, multiple forward gear driven gears include a gear Driven gear, second gear driven gear, three gear driven gears, four gear driven gears and five gear driven gears；

The one gear driving gear, two gear driving gear, three gear driving gears, four gear driving gears and five gear driving gears are fixed On input shaft, the gear driven gear, second gear driven gear, three gear driven gears, four gear driven gears and five gears are driven Gear empty set is on the output shaft；The one gear driving gear is engaged with a gear driven gear and the driven gear that reverses gear simultaneously, The two gear driving gear is engaged with second gear driven gear, and the three gear driving gear is engaged with three gear driven gears, and described four Gear driving gear is engaged with four gear driven gears, and the five gear driving gear is engaged with five gear driven gears；The output gear It is fixed on output shaft；

2/4 gear synchronizer, position being provided on the output shaft between the second gear driven gear and four gear driven gears The 3/5 gear synchronizer between the three gear driven gear and five gear driven gears and the axial direction positioned at the gear driven gear 1 gear synchronizer of side, the 2/4 gear synchronizer are optionally engaged with the second gear driven gear and four gear driven gears Or disconnect, the 3/5 gear synchronizer is optionally engaged or is disconnected with the three gear driven gear and five gear driven gears, institute 1 gear synchronizer is stated optionally to engage or disconnect with the gear driven gear.

10. hybrid electric drive system according to claim 2, which is characterized in that the gear further includes reversing gear Axis, the driven gear that reverses gear, reverse idler gear and reverse gear synchronizer, the driven gear empty set of reversing gear on the reverse gear shaft, The reverse idler gear is fixed on the reverse gear shaft, before one of them reversed gear on driven gear and the output shaft Into gear driven gear engagement, the reverse idler gear is engaged with the main reducing gear driven gear of the main reducing gear；It is described fall Gear synchronizer is optionally engaged or is disconnected with the driven gear that reverses gear.

11. hybrid electric drive system according to claim 10, which is characterized in that before the gear includes multiple Into gear driving gear and multiple forward gear driven gears, multiple forward gear driving gears include gear a driving gear, second gear Driving gear, three gear driving gears, four gear driving gears and five gear driving gears, multiple forward gear driven gears include one Keep off driven gear, second gear driven gear, three gear driven gears, four gear driven gears and five gear driven gears；

The one gear driving gear, two gear driving gear, three gear driving gears, four gear driving gears and five gear driving gears are fixed On input shaft, the gear driven gear, second gear driven gear, three gear driven gears, four gear driven gears and five gears are driven Gear empty set is on the output shaft；The one gear driven gear is engaged with a gear driving gear and the driven gear that reverses gear simultaneously, The two gear driving gear is engaged with second gear driven gear, and the three gear driving gear is engaged with three gear driven gears, and described four Gear driving gear is engaged with four gear driven gears, and the five gear driving gear is engaged with five gear driven gears；The output gear It is fixed on output shaft and is engaged with the main reducing gear driven gear of the main reducing gear；

12. hybrid electric drive system shown in 1 according to claim 1, which is characterized in that the gear driven gear is to include The duplicate gear of coaxially connected first gear and second gear, the first gear are engaged with the gear driving gear, institute Second gear is stated to engage with the driven gear that reverses gear.

13. a kind of vehicle, which is characterized in that including hybrid electric drive system described in claim 1-12 any one.