CN209466982U - Power-driven system and vehicle - Google Patents

Abstract

The utility model discloses a kind of power-driven system and vehicle, power-driven system includes: engine, motor generator, speed changer, and speed changer includes: clutch；Input shaft, input shaft are provided with the first gear driving gear, the second gear driving gear, third gear driving gear；Output shaft, output shaft is provided with the first gear driven gear engaged with the first gear driving gear, the second gear driven gear engaged with the second gear driving gear, the third gear driven gear engaged with third gear driving gear, second gear driven gear is fixedly connected with transmission gear, and motor generator is connect with third gear driven gear power coupling；Jackshaft, jackshaft first gear are engaged with the first gear driven gear, and jackshaft second gear is engaged with transmission gear.The power-driven system of the utility model, transmission efficiency is high, is not in the problem of pure electric vehicle shifting power interrupts, and less gear can be used to realize multiple gears output of engine.

Description

Power-driven system and vehicle

Technical field

The utility model relates to technical field of vehicle manufacture, more particularly, to a kind of power-driven system and have the power The vehicle of drive system.

Background technique

With the gradually development of automotive engineering, the structure design of power-driven system more tends to simplicity, multifunction. Structure is complicated for the speed changer of current driving force drive system, and transmission process is cumbersome, and is driven chain length, shifts gears under pure electric vehicle operating condition When can there are problems that power interruption, influence smooth gear shifting.

Utility model content

The utility model aims to solve at least one of the technical problems existing in the prior art.For this purpose, the utility model One purpose is to propose a kind of power-driven system, and the power-driven system pure electric vehicle operating condition underdrive chain is short, can solve to change The problem of gear interrupts.

According to the power-driven system of the utility model embodiment, comprising: engine, motor generator, speed changer, it is described Speed changer includes: clutch；Input shaft, the input shaft by the clutch optionally with the engine power coupling Connection is closed, the input shaft is provided with the first gear driving gear, the second gear driving gear, third gear driving gear, institute State the first gear driving gear, the second gear driving gear is placed in the input shaft and optionally with the input The connection of axis power coupling；Output shaft, the output shaft be provided with the first gear for being engaged with the first gear driving gear from Moving gear, the second gear driven gear engaged with the second gear driving gear are nibbled with the third gear driving gear The third gear driven gear of conjunction, the first gear driven gear, the second gear driven gear are placed in the output It axis and is optionally of coupled connections with the outputting axial power, the second gear driven gear is fixedly connected with driving cog Wheel, the motor generator are connect with the third gear driven gear power coupling；Jackshaft, during the jackshaft is provided with Between axis first gear and jackshaft second gear, the jackshaft first gear engages with the first gear driven gear, institute Jackshaft second gear is stated to engage with the transmission gear.

According to the power-driven system of the utility model embodiment, motor generator is connected with gear driven gear, can be real Existing power generation in parking and pure electric vehicle driving, transmission chain is short, and transmission efficiency is high, is not in the problem of pure electric vehicle shifting power interrupts.

The utility model also proposed a kind of vehicle.

According to the vehicle of the utility model embodiment, there is power-driven system described in any of the above-described kind of embodiment.

Possessed advantage is identical compared with the existing technology for the vehicle and above-mentioned power-driven system, no longer superfluous herein It states.

The additional aspect and advantage of the utility model will be set forth in part in the description, partially will be from following description In become obvious, or recognized by the practice of the utility model.

Detailed description of the invention

The above-mentioned and/or additional aspect and advantage of the utility model from the description of the embodiment in conjunction with the following figures will Become obvious and be readily appreciated that, in which:

Fig. 1 is the structural schematic diagram according to the power-driven system of the utility model one embodiment；

Fig. 2 is the structural schematic diagram according to the power-driven system of the utility model another embodiment；

Fig. 3 is the structural schematic diagram according to the power-driven system of the utility model further embodiment；

Fig. 4 is the structural schematic diagram according to the power-driven system of the utility model another embodiment；

Fig. 5 is the structural schematic diagram according to the power-driven system of the utility model another embodiment；

Fig. 6 is the structural schematic diagram according to the power-driven system of the utility model another embodiment；

Fig. 7 is the structural schematic diagram according to the power-driven system of the utility model another embodiment；

Fig. 8 is the structural schematic diagram according to the vehicle of the utility model embodiment.

Appended drawing reference:

Vehicle 1000,

Power-driven system 100,

Engine 10, motor generator 20, main reducing gear 30,

Clutch K,

Input shaft I, output shaft II, jackshaft III,

First gear driving gear 1a, the second gear driving gear 2a, third gear driving gear 3a, fourth gear position is actively Gear 4a, reverse gear driving gear Ra,

First gear driven gear 1b, the second gear driven gear 2b, third gear driven gear 3b, fourth gear position are driven Gear 4b, transmission gear 5b,

Jackshaft first gear 1c, jackshaft second gear 2c, jackshaft third gear 3c,

Motor side gear 1d, idle pulley 2d, the first idle pulley 1e, the second idle pulley 2e,

Output gear 1f, Driven Gear of Final Reduction Gear 2f,

First synchronizer A, the second synchronizer B, third synchronizer C, the 4th synchronizer D, the 5th synchronizer E, the 6th are synchronous Device F.

Specific embodiment

The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and should not be understood as to the utility model Limitation.

Power-driven system 100 below with reference to Fig. 1-Fig. 7 description according to the utility model embodiment, the power drive line The motor generator 20 of system 100 is connected with the gear driven gear of speed changer, in this way, the driving force that motor generator 20 exports can The gear driven gear is directly acted on, and by II output driving power of output shaft, realizes that electric motorized vehicle 1000 travels.And The power transfer path of electric drive is shorter, and transmission efficiency is high, the power interruption that avoids shift when leading to pure electric vehicle operating condition and The problem of smooth gear shifting, is particularly suitable in plug-in hybrid vehicle 1000.

As shown in Fig. 1-Fig. 7, according to the power-driven system 100 of the utility model embodiment, comprising: engine 10, electricity Dynamic generator 20, speed changer.

Wherein, engine 10 drives vehicle wheel rotation for output driving power, and engine 10 can be gasoline engine, can also be Diesel engine.The crankshaft of engine 10 can be connected with the input terminal of speed changer, the output end of speed changer can by differential mechanism with Wheel is connected, and the driving force that engine 10 exports can be transmitted to wheel by speed changer, and then drive vehicle wheel rotation.Engine 10 The driving force of output can also be transmitted to motor generator 20 by transmission shaft, to drive motor generator 20 to generate electricity.

Speed changer has multiple gears, and engine 10 can export a variety of different revolving speeds and torque by speed changer, so that The vehicle 1000 of traveling can be well adapted for environment.If vehicle 1000 is in the biggish road traveling of resistance, speed changer The gear progress power transmitting of the slow-speed of revolution, high torque (HT) may be selected, to keep sufficient power output；For another example vehicle 1000 is flat When suitable, open road traveling, high revolving speed is may be selected in speed changer, the gear of low torque carries out power transmitting, reduces oil consumption.By This, it is ensured that for vehicle 1000 under different operating conditions, vehicle 1000 all has good power performance, and vehicle 1000 is made to keep good Good driving status, while improving the fuel economy of vehicle 1000.

As shown in Fig. 1-Fig. 7, motor generator 20 is connected with speed changer, and the exportable driving force of motor generator 20 simultaneously passes through Speed changer is transferred to the drive force motor generator 20 that wheel realizes that electric drive or engine 10 export and generates electricity.By This, motor generator 20 can be used as generator, also can be used as motor, regard motor generator 20 as back-up power source.

As shown in Fig. 1-Fig. 7, speed changer includes: clutch K, input shaft I, output shaft II and jackshaft III.

Input shaft I is optionally connect with 10 power coupling of engine by clutch K.In clutch K by input shaft I When connecting with 10 power coupling of engine, the driving force that engine 10 exports can be transmitted to input shaft I, and then pass through speed changer Other driving members realize that fuel oil driving, or output are used to generate electricity to motor generator 20；And it by input shaft I and is sent out in clutch K When motivation 10 disconnects, unpowered transmitting between the two, at this point, wheel can be driven to turn by 20 output driving power of motor generator It is dynamic, realize pure electric vehicle driving.Wherein, the input terminal of clutch K is connected with the crankshaft of engine 10, and optionally in the two Between flywheel, double mass flywheel, the components such as damper are set, be convenient for stabilized (steady-state) speed.

As shown in Fig. 1-Fig. 7, input shaft I is provided with the first gear driving gear 1a, the second gear driving gear 2a, third Gear driving gear 3a, the first gear driving gear 1a, the second gear driving gear 2a are placed in input shaft I, and the first gear Driving gear 1a, the second gear driving gear 2a are optionally connect with I power coupling of input shaft.That is the first gear driving tooth Wheel 1a may be selected to be connected with input shaft I, also may be selected not to be connected with input shaft I；Second gear driving gear 2a may be selected with it is defeated Enter axis I to be connected, also may be selected not to be connected with input shaft I, in this way, the driving force that engine 10 exports can be exported by input shaft I and be given One in first gear driving gear 1a and the second gear driving gear 2a.

As shown in Fig. 1-Fig. 7, output shaft II is provided with the first gear driven gear 1b, the second gear driven gear 2b and Three gear driven gear 3b, the first gear driven gear 1b are engaged with the first gear driving gear 1a, the second gear driven gear 2b is engaged with the second gear driving gear 2a, and third gear driven gear 3b is engaged with third gear driving gear 3a, wherein the One gear driven gear 1b, the second gear driven gear 2b are placed in output shaft II, and the first gear driven gear 1b and second Gear driven gear 2b is optionally connect with II power coupling of output shaft.That is the first gear driven gear 1b may be selected with it is defeated Shaft II is connected, and also may be selected not to be connected with output shaft II；Second gear driven gear 2b may be selected to be connected with output shaft II, It may be selected not to be connected with output shaft II.The driving force of first gear driven gear 1b or the second gear driven gear 2b are alternative Ground passes to output shaft II, to realize that power transmits.In this way, the driving force of engine 10 has input shaft I to arrive output shaft II at least Including two transmission paths, i.e. the driving force of engine 10 is driven through the first gear driving gear 1a, the first gear by input shaft I Gear 1b is to output shaft II, or by input shaft I through the second gear driving gear 2a, the second gear driven gear 2b to output shaft II, thus, it can be achieved that the power transmitting in different paths.

Third gear driven gear 3b is set to output shaft II, and third gear driven gear 3b can be placed in output shaft II, the Three gear driven gear 3b can also be fixedly connected with output shaft II, and as Figure 1-Figure 5, third gear driven gear 3b is fixed on Output shaft II, as Figure 6-Figure 7, third gear driven gear 3b are connect with II empty set of output shaft, in this way, input shaft I exports Driving force can also be transferred to output shaft II by third gear driving gear 3a, third gear driven gear 3b, realize more The power in path transmits.Wherein, the first gear driven gear 1b, the second gear driven gear 2b and third gear driven gear 3b Specification it is different, the first gear driving gear 1a, the second gear driving gear 2a, third gear driving gear 3a specification not Together, the torque of the driving force exported as a result, by different dynamic transmission path, revolving speed are different, it can be achieved that power-driven system 100 different torques, revolving speed power output, the driving force that power-driven system 100 is exported be well adapted for or With driving force needed for 1000 operating condition of current vehicle, and then it is dynamic well to guarantee that vehicle 1000 has during traveling Power and fuel economy promote the performance of vehicle.

Output shaft II is connected with main reducing gear 30, and as shown in Fig. 1-Fig. 7, output shaft II is provided with output gear 1f, and master subtracts Fast device 30 is equipped with Driven Gear of Final Reduction Gear 2f, and the driving force that output shaft II transmits can pass through output gear 1f, Driven Gear of Final Reduction Gear 2f Main reducing gear 30 is passed to, and then differential mechanism is passed to by main reducing gear 30.

Second gear driven gear 2b is fixedly connected with transmission gear 5b, as shown in Fig. 1-Fig. 7, the second gear driven gear 2b and transmission gear 5b are coaxially disposed, i.e. the second gear driven gear 2b can be with the same rotational speed of transmission gear 5b, and second gear Position driven gear 2b it is different from the diameter of transmission gear 5b, as a result, the second gear driven gear 2b, transmission gear 5b respectively with its When his gear engaged transmission, different torques can be exported.

In some embodiments, the second gear driven gear 2b is connect side by side with transmission gear 5b is formed as duplicate gear, As shown in Fig. 1-Fig. 7, the second gear driven gear 2b and transmission gear 5b are coaxially disposed, in this way, the second gear driven gear 2b Can be with the same rotational speed of transmission gear 5b, and the diameter of the second gear driven gear 2b and transmission gear 5b is different.As a result, second The driving force of driving gear transmitting is exported to output shaft II and by transmission gear 5b by the second gear driven gear 2b by intermediate The output of axis III is to output shaft II, torque and the revolving speed difference of the driving force of two kinds of drive paths output, thus, it can be achieved that power drives The power output of the different gears of dynamic system 100, increases the diversity and washability of output gear, is convenient for power-driven system The driving force of 100 outputs adapts to different operating conditions.And the power-driven system 100 is realized needed for the power output of multiple gears Driving member it is less, structure is simple, and design cost is low.

Motor generator 20 is connect with third gear driven gear 3b power coupling, in this way, third gear driven gear 3b The driving force of transmitting may be output to motor generator 20 for generating electricity, to realize power generation in parking, the wherein driving force of engine 10 Input shaft I, third gear driving gear 3a, third gear driven gear 3b are passed sequentially through, and by third gear driven gear 3b Motor generator 20 is passed to, drive path is short, and generating efficiency is high；The driving force that motor generator 20 exports may also pass through third Gear driven gear 3b is exported to output shaft II for driving vehicle wheel rotation, it can be achieved that pure electric vehicle drives.Certainly can also pass through Engine 10 and motor generator 20 while output driving power, to carry out torque superposition on output shaft II, to enhance driving Power improves the dynamic property of vehicle 1000, promotes the lifting capacity of vehicle 1000.

Wherein, the driving force that motor generator 20 exports can pass to output shaft II by third gear driven gear 3b, And exported by output shaft II to main reducing gear 30 and wheel, i.e., the driving force that motor generator 20 exports only passes through a third gear Position driven gear 3b is transmitted to output shaft II, and drive path is short, and transmission process is easily achieved, and can be effectively prevented from since shift is led Inefficiency problem caused by the problem of power interruption and smooth gear shifting when causing pure electric vehicle operating condition and transmission chain are too long, especially It is suitable in plug-in hybrid vehicle 1000.

Meanwhile motor generator 20 being connected at third gear driven gear 3b, substantially reduce power-driven system 100 axial distance is easy to the space layout of vehicle.And in control logic, power-driven system 100 does not change speed changer Basic framework and shift logic, the intervention of motor generator 20 is showed only as being superimposed in the torque of output shaft II, therefore start The control logic of machine 10 and speed changer and the control logic of motor generator 20 be it is independent, be conducive to save producer in this way and open Time and cost are sent out, the higher failure rate of system is avoided, even if engine 10 and transmission system failure will not influence pure electricity The power output of motor generator 20 when dynamic.

Jackshaft III is provided with jackshaft first gear 1c and jackshaft second gear 2c, and as shown in Fig. 1-Fig. 7, intermediate Axis first gear 1c is fixedly connected with jackshaft III, and jackshaft second gear 2c is fixedly connected with jackshaft III, i.e. jackshaft One gear 1c and jackshaft second gear 2c can same rotational speed, jackshaft first gear 1c nibbles with the first gear driven gear 1b It closes, jackshaft second gear 2c is engaged with transmission gear 5b, and the driving force of input shaft I can pass through the second gear driving tooth as a result, Wheel 2a, the second gear driven gear 2b pass to transmission gear 5b, and are sequentially output by transmission gear 5b and give jackshaft the second tooth 2c, jackshaft III, jackshaft first gear 1c and the first gear driven gear 1b are taken turns, is passed using the first gear driven gear 1b Pass output shaft II.The driving force of certain input shaft I can be passed by the first gear driving gear 1a, the first gear driven gear 1b Jackshaft first gear 1c is passed, and passes sequentially through jackshaft first gear 1c, jackshaft III, jackshaft second gear 2c, pass Moving gear 5b, the second gear driven gear 2b pass to output shaft II, realize power transmitting.

By the way that the transmission gear 5b being fixedly connected with the second gear driven gear 2b is arranged, it can according to need and pass through transmission Gear 5b and jackshaft III realize the positive and negative bi-directional of power, to realize different reduction ratio power outputs, and increase Gear it is few, most of gear in the drive path is the gear shared with other gears.

In this way, speed changer passes through the gear structure design of annular kinetic current form, it, can compared with traditional automatic transmission To use less gear to realize multiple gears output of engine 10, the weight for not only having alleviated speed changer, but also contracting are designed in this way The small axial gears of speed changer, conducive to the space layout of power-driven system 100.

By designing the second gear driven gear 2b, the second tooth of transmission gear 5b, jackshaft first gear 1c and jackshaft The connection type for taking turns 2c can improve speed changer in the drive path of bottom gear and top gear, i.e. speed changer has bottom gear defeated Mode and top gear output mode out.

In some embodiments, power-driven system 100 has first gear operating mode, in first gear operating mode, Second gear driving gear 2a is connect with I power coupling of input shaft, the first gear driven gear 1b and II power coupling of output shaft Connection, clutch K engagement, the power of engine 10 be suitable for by input shaft I, the second gear driving gear 2a, the second gear from Moving gear 2b, transmission gear 5b, jackshaft second gear 2c, jackshaft III, jackshaft first gear 1c, the first gear driven tooth Take turns 1b, output shaft II exports.

It should be noted that the driving force of conventional transmission device can be by the first gear actively by input shaft I to output shaft II Gear 1a, the first gear driven gear 1b or the second gear driving gear 2a, the second gear driven gear 2b pass through first Gear driving gear 1a, the first gear driven gear 1b, the second gear driving gear 2a, the second gear driven gear 2b only can be real The power output of existing two gears, and use the speed changer of the application that also there is first gear operating mode, first gear operating mode For bottom gear output mode.Output gear is increased by above-mentioned transmission gear 5b as a result, realization is realized using less gear Multiple gears of engine 10 export, and design so had not only alleviated the weight of speed changer, but also reduced the axial gears of speed changer. Wherein, first gear operating mode can be the minimum gear output mode of power-driven system 100, i.e. first gear operating mode can be One gear drive mode, but not limited to this.

In some embodiments, power-driven system 100 has sixth gear operating mode, in sixth gear operating mode, First gear driving gear 1a is connect with I power coupling of input shaft, the second gear driven gear 2b and II power coupling of output shaft Connection, clutch K engagement, the power of engine 10 be suitable for by input shaft I, the first gear driving gear 1a, the first gear from Moving gear 1b, jackshaft first gear 1c, jackshaft III, jackshaft second gear 2c, transmission gear 5b, the second gear driven tooth Take turns 2b, output shaft II exports.In this way, actively by the first gear driving gear 1a, the first gear driven gear 1b, the second gear Gear 2a, the second gear driven gear 2b and transmission gear 5b, jackshaft second gear 2c, jackshaft III, the first tooth of jackshaft Wheel 1c can realize the power output of at least four driving gears, realize multiple gears that engine 10 is realized using less gear Output increases the sneakerization of output gear, and design so had not only alleviated the weight of speed changer, but also reduced the axial direction of speed changer Gear is conducive to the space layout of power-driven system 100.Wherein, 6th gear operating mode can be power-driven system 100 Top gear output mode, if 6th gear operating mode can for six gear output modes, but not limited to this.

According to the power-driven system 100 of the utility model embodiment, motor generator 20 is connected with gear driven gear, Power generation in parking and pure electric vehicle driving can be achieved, transmission chain is short, and transmission efficiency is high, is not in asking for pure electric vehicle shifting power interruption Topic, speed changer use the gear structure design of annular kinetic current form, less gear can be used and realize engine 10 Multiple gear outputs, design so had not only alleviated the weight of speed changer, but also reduced the axial gears of speed changer, is conducive to power and drives The space layout of dynamic system 100.

In some embodiments, as shown in Fig. 1-Fig. 7, input shaft I is provided with the driving gear Ra that reverses gear, and jackshaft III is arranged There is jackshaft third gear 3c, jackshaft third gear 3c is engaged with the driving gear Ra that reverses gear, in this way, the driving force of input shaft I Jackshaft III can be passed to by the driving gear Ra that reverses gear, jackshaft third gear 3c, and output shaft is transmitted to by centre output II, hereby it is achieved that the power output of reversing gear of power-driven system 100, driving vehicle 1000 is retreated.

Wherein, reverse gear at least one of driving gear Ra and jackshaft third gear 3c optionally with corresponding axis Power coupling connection, as shown in Fig. 1-Fig. 7, the driving gear Ra that reverses gear is fixedly connected with input shaft I, and jackshaft third gear 3c is empty It is placed on jackshaft III, and jackshaft third gear 3c is optionally connected with jackshaft III.In this way, vehicle 1000 need into Row reverses gear when operating, and jackshaft third gear 3c is connect with III power coupling of jackshaft, so that the driving force of input shaft I can lead to Cross the driving gear Ra that reverses gear, jackshaft third gear 3c passes to output shaft II, vehicle 1000 reverses gear traveling；Vehicle 1000 not Reverse gear when operating, jackshaft third gear 3c is separated with jackshaft III, so that jackshaft third gear 3c is in Between unpowered transmitting between axis III, i.e. speed changer can avoid vehicle 1000 during advance without power output of reversing gear as a result, Speed changer generation is reversed gear, and driving force influence vehicle 1000 is normal to advance, and improves the reasonability and safety of speed changer structure design, Promote the travel safety of vehicle 1000.

In some embodiments, as Figure 1-Figure 4, I empty set of input shaft is provided with fourth gear driving gear and third gear Position driving gear 3a, output shaft II are fixedly connected with fourth gear position driven gear 4b and third gear driven gear 3b, fourth gear Position driven gear 4b is engaged with fourth gear position driving gear 4a, and the driving gear Ra that reverses gear is fixedly connected with input shaft I, jackshaft the Three gear 3c are placed in jackshaft III.

Wherein, the first gear driving gear 1a, the second gear driving gear 2a by the first synchronizer A optionally with The connection of I power coupling of input shaft, as shown in Fig. 1-Fig. 7, the left clutch collar of the first synchronizer A is used for the first gear driving gear 1a is connect with I power coupling of input shaft, and the right clutch collar of the first synchronizer A is used for the second gear driving gear 2a and input shaft The connection of I power coupling；First gear driven gear 1b, the second gear driven gear 2b pass through the second synchronizer B optionally It is connect with II power coupling of output shaft, as shown in Fig. 1-Fig. 7, the left clutch collar of the second synchronizer B is used for the first gear is driven Gear 1b is connect with II power coupling of output shaft, the right clutch collar of the second synchronizer B be used for by the second gear driven gear 2b with The connection of II power coupling of output shaft；Third gear driving gear 3a and fourth gear position driving gear 4a can by third synchronizer C It is selectively connect with I power coupling of input shaft, as shown in Fig. 1-Fig. 7, the left clutch collar of third synchronizer C is used for fourth gear Position driving gear 4a is connect with I power coupling of input shaft, and the right clutch collar of third synchronizer C is used for third gear driving gear 3a is connect with I power coupling of input shaft；Jackshaft third gear 3c is optionally dynamic with jackshaft III by the 4th synchronizer D Power is of coupled connections, the power transfer path being consistent as a result, convenient for the selection of power-driven system 100 with driving operating condition, so that power The driving force that drive system 100 exports can satisfy driving demand.

In further embodiments, as shown in figure 5, I empty set of input shaft is provided with fourth gear position driving gear 4a and third Gear driving gear 3a, output shaft II are fixedly connected with fourth gear position driven gear 4b and third gear driven gear 3b, and the 4th Gear driven gear 4b is engaged with fourth gear position driving gear 4a, along the axially slidably installation of jackshaft III on jackshaft III There is the jackshaft third gear 3c connecting with III power coupling of jackshaft, in this way, jackshaft third gear 3c can be along jackshaft III Extending direction sliding, may make the installation site of reverse gear shaft driving gear more flexible as a result, the structure of speed changer arranged Limitation it is smaller, the mounting arrangement flexibility of each driving member of speed changer and selectivity more preferably, space is more compact, weight more Gently.Wherein, jackshaft third gear 3c can be cooperated by axis spline and jackshaft III, to slide relative to jackshaft III.

Wherein, as shown in figure 5, the first gear driving gear 1a, the second gear driving gear 2a can by the first synchronizer A It is selectively connect with I power coupling of input shaft, the first gear driven gear 1b, the second gear driven gear 2b are same by second Step device B is optionally connect with II power coupling of output shaft, third gear driving gear 3a and fourth gear position driving gear 4a It is optionally connect with I power coupling of input shaft by third synchronizer C, the clutch collar of third synchronizer C is equipped with master of reversing gear Moving gear Ra, the driving gear Ra that reverses gear optionally are engaged with jackshaft third gear 3c.In this way, being convenient for power-driven system The power transfer path that 100 selections are consistent with driving operating condition, so that the driving force that power-driven system 100 exports can satisfy row Vehicle demand.It should be noted that reversing gear driving gear Ra and when jackshaft third gear 3c initial position misplaces, and third is same Walk device C and jackshaft third gear 3c control be it is mutually independent, when third synchronizer C is in middle position, during shift fork is stirred Between axis third gear 3c move right so that jackshaft third gear 3c is engaged with the driving gear Ra that reverses gear, realization is reversed gear driving. It may make the configuration flexibility of speed changer as a result, more preferably, and the design of this structure keeps space more compact, weight is lighter.

In some embodiments, as shown in Fig. 1-Fig. 2 and Fig. 5, the motor shaft of motor generator 20 is fixedly connected with motor Side gear 1d, motor side gear 1d are engaged with the idle pulley 2d for being placed in jackshaft III, idle pulley 2d and third gear driven gear 3b Engagement.In this way, driving force can pass sequentially through motor side gear 1d, idle pulley 2d, third in 20 output driving power of motor generator It is output shaft II that gear driven gear 3b, which is passed to, and then realizes the pure electric vehicle driving of power-driven system 100, and pass through setting It is smaller that idle pulley 2d structure may make that the arrangement of motor generator 20 is limited by space, is convenient for speed changer integral layout.

In some embodiments, as shown in Fig. 3 Fig. 4 and Fig. 7, the motor shaft of motor generator 20 is to be placed in jackshaft III Hollow shaft, be fixedly connected with motor side gear 1d in hollow shaft, motor side gear 1d is engaged with third gear driven gear 3b. In this way, the motor shaft of motor generator 20 can directly drive third gear driven gear 3b rotation, and then by driving force export to Output shaft II realizes pure electric vehicle driving, and in such a way that hollow shaft is arranged, keeps space more compact, reduces radial space, reduces The volume of whole speed changer, while the quantity of variator part is reduced, reduce cost.

In some embodiments, as shown in Figure 6 and Figure 7, third gear driven gear 3b is placed in output shaft II, and third Gear driven gear 3b is optionally connect with II power coupling of output shaft, as shown in Figure 6 and Figure 7, third gear driven tooth Wheel 3b can selectively be connect with II power coupling of output shaft by the 6th synchronizer F.In this way, third gear driven gear 3b is passed The driving force passed can be exported by output shaft II to wheel, can also be exported by motor side gear 1d to motor generator 20.

Power-driven system 100 has power generation in parking operating mode, in power generation in parking operating mode, third gear as a result, Position driving gear 3a is connect with I power coupling of input shaft, and third gear driven gear 3b and output shaft II disconnect, and clutch K connects It closes, the work of engine 10 is to drive motor generator 20 to generate electricity.Certainly, power-driven system 100 can also be achieved driving power generation, i.e., Driving force a part that engine 10 exports passes to output shaft II for driving vehicle wheel rotation, another part by input shaft I Driving force is exported by third gear driven gear 3b to motor generator 20 by input shaft I, and then completes driving power generation.

In some embodiments, as shown in fig. 6, the motor shaft of motor generator 20 is fixedly connected with motor side gear 1d, Motor side gear 1d is sequentially engaged with the first idle pulley 1e, the second idle pulley 2e, and the second idle pulley 2e is placed in jackshaft III, the second idle pulley 2e is engaged with third gear driven gear 3b, in this way, driving force passes sequentially through motor in 20 output driving power of motor generator Side gear 1d, the first idle pulley 1e, the second idle pulley 2e pass to third gear driven gear 3b, and then by third gear driven gear 3b is exported to output shaft II for driving vehicle wheel rotation, is easy to implement electric drive.And pass through the first idle pulley 1e and the second idle pulley Motor side gear 1d is connected by 2e with third gear driven gear 3b, is advantageously implemented power transmission.

Wherein, the size of the first idle pulley 1e and the second idle pulley 2e can be according to the opposite positions of motor generator 20 and output shaft II Determination is set, as a result, convenient for the installation site of adjusting motor generator 20, reduces speed changer structure to 20 installation position of motor generator The limitation set reduces installation difficulty, solves the problems, such as the space layout of motor, improves the transmission efficiency of motor generator 20, reduces Power loss in transmission process.

In some embodiments, as shown in Figure 2 and Figure 4, II empty set of output shaft is provided with output gear 1f, output gear 1f It is optionally connect with II power coupling of output shaft, i.e. output gear 1f can be connect with II power coupling of output shaft, can also not It is connect with II power coupling of output shaft.As shown in Figure 2 and Figure 4, output gear 1f is optional by the 5th synchronizer E and output shaft II Selecting property it is connected.Such as when power-driven system 100 needs output driving power, by output gear 1f and II power coupling of output shaft Connection, in order to be exported the driving force of output transmitting by output gear 1f to main reducing gear 30 and gear；In power drive When system 100 does not need output driving power, output gear 1f is separated with output shaft II, unpowered transmitting between the two, and in vehicle 1000 when carrying out power generation in parking, and the driving force that engine 10 exports is only used for the power generation of motor generator 20, without passing through output Axis II output give output gear 1f, thus, it is ensured that power-driven system 100 can rationally, power generation in parking is effectively performed.

Specifically, power-driven system 100 has power generation in parking operating mode, in power generation in parking operating mode, output Gear 1f and output shaft II disconnect, and clutch K engagement, engine 10 is suitable for driving motor generator 20 to send out by output shaft II Electricity, the electric energy that motor generator 20 generates can be used for interior electrical equipment and use, it can also be used to drive vehicle wheel rotation.

Six can be at least realized under fuel oil operating condition by the power-driven system 100 of the utility model embodiment as a result, The power output of forward range, specifically power transfer path is as follows:

When one gear driving, the right combined cover of the first synchronizer A is by input shaft I and the second gear driving gear 2a power coupling Output shaft II is connect by connection, the left combined cover of the second synchronizer B with the first gear driven gear 1b power coupling, and third is synchronous Device C is failure to actuate, power transfer path are as follows: I-the second gear driving gear the second gear of 2a- of engine 10- clutch K- input shaft Driven gear 2b- transmission gear 5b- jackshaft second gear 2c- jackshaft III-jackshaft first gear the first gear of 1c- is driven Gear 1b- output shaft II-output gear 1f- Driven Gear of Final Reduction Gear 2f- main reducing gear 30- wheel.

When second gear drives, the left combined cover of the first synchronizer A is by input shaft I and the first gear driving gear 1a power coupling Output shaft II is connect by connection, the left combined cover of the second synchronizer B with the first gear driven gear 1b power coupling, and third is synchronous Device C is failure to actuate, power transfer path are as follows: I-the first gear driving gear the first gear of 1a- of engine 10- clutch K- input shaft Driven gear 1b- output shaft II-output gear 1f- Driven Gear of Final Reduction Gear 2f- main reducing gear 30- wheel.

When three gear drivings, the right combined cover of the first synchronizer A is by input shaft I and the second gear driving gear 2a power coupling Output shaft II is connect by connection, the right combined cover of the second synchronizer B with the second gear driven gear 2b power coupling, and third is synchronous Device C is failure to actuate, power transfer path are as follows: I-the second gear driving gear the second gear of 2a- of engine 10- clutch K- input shaft Driven gear 2b- output shaft II-output gear 1f- Driven Gear of Final Reduction Gear 2f- main reducing gear 30- wheel.

When four gear drivings, the first synchronizer A, the second synchronizer B are failure to actuate, and the right combined cover of third synchronizer C will be defeated Enter axis I to connect with third gear driving gear 3a power coupling, power transfer path are as follows: engine 10- clutch K- input shaft I-third gear driving gear 3a- third gear driven gear 3b- output shaft II-output gear 1f- Driven Gear of Final Reduction Gear 2f- master Retarder 30- wheel.

Specifically, as shown in table 1, wherein ● indicate that synchronizer is engaged with corresponding gear.

Table 1

Thus, it can be achieved that the power output of the pure fuel oil mode of six gears of power-driven system 100, to guarantee vehicle 1000 all have stable, in due course power output under different operating conditions, promote the power performance of vehicle.

When five gear drivings, the first synchronizer A, the second synchronizer B are failure to actuate, and the left combined cover of third synchronizer C will be defeated Enter axis I to connect with fourth gear position driving gear 4a power coupling, power transfer path are as follows: engine 10- clutch K- input shaft I-fourth gear position driving gear 4a- fourth gear position driven gear 4b- output shaft II-output gear 1f- Driven Gear of Final Reduction Gear 2f- master Retarder 30- wheel.

When six gear drivings, the left combined cover of the first synchronizer A is by input shaft I and the first gear driving gear 1a power coupling Output shaft II is connect by connection, the right combined cover of the second synchronizer B with the second gear driven gear 2b power coupling, and third is synchronous Device C is failure to actuate, power transfer path are as follows: I-the first gear driving gear the first gear of 1a- of engine 10- clutch K- input shaft Driven gear 1b- jackshaft first gear 1c- jackshaft III-jackshaft second gear 2c- transmission gear the second gear of 5b- is driven Gear 2b- output shaft II-output gear 1f- Driven Gear of Final Reduction Gear 2f- main reducing gear 30- wheel.

According to the power-driven system 100 of the utility model embodiment, pass through the selectivity of clutch K and multiple synchronizers In conjunction with, it can be achieved that following operating condition:

1, pure electric vehicle operating condition: engine 10 does not work, and the power of motor generator 20 passes through output by third driven gear Axis II is output to main reducing gear 30, to realize that pure electric vehicle operating condition exports.

2 ,-six pure fuel oil mode of gear of a gear exports the power output, it can be achieved that pure 6 gears of fuel oil mode.

3, hybrid power exports: while-six gear output of the gear of engine 10 1, start the power of motor generator 20, it can The power intervention of motor generator 20 is realized by motor direct gear, to realize the various gears output of hybrid power.

4, driving power generation: in driving conditions, while the power of engine 10 is exported from output shaft II, partial power is led to It crosses third driven gear and is transmitted to motor generator 20, realize driving power generation.

5, when deceleration/Brake Energy recycling: slowing down or braking, energy passes to motor generator by each driving member from wheel 20, realize kinetic energy recycling.

6, vehicle 1000 is moved backward: (1) pure electric vehicle is moved backward, and the power of motor generator 20 can be passed through straight by motor reversal It connects gear and realizes reversing；(2) engine 10 is moved backward, and clutch K is combined, and acts the 4th synchronizer D combination jackshaft third gear 3c, Engine 10 realizes reversing of reversing gear by jackshaft III；(3) hybrid power is moved backward, and while engine 10 is moved backward, passes through reversion Motor realizes hybrid power reversing.

The utility model also proposed a kind of vehicle 1000.

According to the vehicle 1000 of the utility model embodiment, as shown in figure 8, the power-driven system with above-described embodiment 100, the power-driven system 100 of the vehicle 1000, motor generator 20 is connected with gear driven gear, it can be achieved that power generation in parking It is driven with pure electric vehicle, it is not in the problem of pure electric vehicle shifting power interrupts that transmission chain is short, and transmission efficiency is high, and speed changer uses Multiple gears output that less gear realizes engine 10 can be used in the gear structure design of annular kinetic current form, Design so had not only alleviated the weight of speed changer, but also reduced the axial gears of speed changer, conducive to the sky of power-driven system 100 Between arrange, promote the performance of vehicle.

In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ", The description of " example ", " specific example " or " some examples " etc. means specific features described in conjunction with this embodiment or example, knot Structure, material or feature are contained at least one embodiment or example of the utility model.In the present specification, to above-mentioned art The schematic representation of language may not refer to the same embodiment or example.Moreover, description specific features, structure, material or Person's feature can be combined in any suitable manner in any one or more of the embodiments or examples.

While there has been shown and described that the embodiments of the present invention, it will be understood by those skilled in the art that: These embodiments can be carried out with a variety of variations, modification, replacement in the case where not departing from the principles of the present invention and objective And modification, the scope of the utility model are defined by the claims and their equivalents.

Claims (13)

1. a kind of power-driven system characterized by comprising engine, motor generator, speed changer, the speed changer packet It includes:

Clutch；

Input shaft, the input shaft is optionally of coupled connections with the engine power by the clutch, described defeated Enter axis and be provided with the first gear driving gear, the second gear driving gear, third gear driving gear, first gear is actively Gear, the second gear driving gear are placed in the input shaft and optionally connect with the input shaft power coupling It connects；

Output shaft, the output shaft are provided with the first gear driven gear engaged with the first gear driving gear and institute The the second gear driven gear for stating the engagement of the second gear driving gear, the third gear engaged with the third gear driving gear Driven gear, the first gear driven gear, the second gear driven gear are placed in the output shaft and alternative Ground is of coupled connections with the outputting axial power, and the second gear driven gear is fixedly connected with transmission gear, the electronic hair Motor is connect with the third gear driven gear power coupling；

Jackshaft, the jackshaft are provided with jackshaft first gear and jackshaft second gear, the jackshaft first gear It is engaged with the first gear driven gear, the jackshaft second gear is engaged with the transmission gear.

2. power-driven system according to claim 1, which is characterized in that the power-driven system has first gear work Operation mode, in the first gear operating mode, the second gear driving gear is connect with the input shaft power coupling, institute It states the first gear driven gear to be of coupled connections with the outputting axial power, the clutch engagement, the power of the engine is suitable In passing through the input shaft, the second gear driving gear, the second gear driven gear, the transmission gear, described Jackshaft second gear, the jackshaft, the jackshaft first gear, the first gear driven gear, the output shaft Output.

3. power-driven system according to claim 1, which is characterized in that the power-driven system has sixth gear work Operation mode, in the sixth gear operating mode, the first gear driving gear is connect with the input shaft power coupling, institute It states the second gear driven gear to be of coupled connections with the outputting axial power, the clutch engagement, the power of the engine is suitable In pass through the input shaft, the first gear driving gear, the first gear driven gear, the first tooth of the jackshaft Wheel, the jackshaft, the jackshaft second gear, the transmission gear, the second gear driven gear, the output shaft Output.

4. power-driven system according to claim 1, which is characterized in that the second gear driven gear and the biography Moving gear connects side by side is formed as duplicate gear.

5. power-driven system according to claim 1, which is characterized in that the input shaft is provided with the driving tooth that reverses gear Wheel, the jackshaft are provided with jackshaft third gear engage with the driving gear that reverses gear, it is described reverse gear driving gear with At least one of described jackshaft third gear is optionally connected with corresponding axis power coupling.

6. power-driven system according to claim 5, which is characterized in that the input shaft empty set is provided with fourth gear position Driving gear and the third gear driving gear, the output shaft is fixedly connected with to be engaged with fourth gear position driving gear Fourth gear position driven gear and the third gear driven gear, reverse gear driving gear and the input shaft are fixed to be connected It connects, the jackshaft third gear is placed in the jackshaft；

The first gear driving gear, the second gear driving gear by the first synchronizer optionally with it is described defeated Enter the connection of axis power coupling, the first gear driven gear, the second gear driven gear are optional by the second synchronizer It is of coupled connections with the outputting axial power to selecting property, the third gear driving gear and fourth gear position driving gear pass through Third synchronizer is optionally connect with the input shaft power coupling, and the jackshaft third gear passes through the 4th synchronizer Optionally it is connect with the jackshaft power coupling.

7. power-driven system according to claim 1, which is characterized in that the input shaft empty set is provided with fourth gear position Driving gear and the third gear driving gear, the output shaft is fixedly connected with to be engaged with fourth gear position driving gear Fourth gear position driven gear and the third gear driven gear, along the axially slidable of the jackshaft on the jackshaft Ground is equipped with the jackshaft third gear connecting with the jackshaft power coupling；

The first gear driving gear, the second gear driving gear by the first synchronizer optionally with it is described defeated Enter the connection of axis power coupling, the first gear driven gear, the second gear driven gear are optional by the second synchronizer It is of coupled connections with the outputting axial power to selecting property, the third gear driving gear and fourth gear position driving gear pass through Third synchronizer is optionally connect with the input shaft power coupling, and the clutch collar of the third synchronizer is equipped with master of reversing gear Moving gear, the driving gear that reverses gear optionally are engaged with the jackshaft third gear.

8. power-driven system described in any one of -7 according to claim 1, which is characterized in that the electricity of the motor generator Arbor is fixedly connected with motor side gear, and the motor side gear is engaged with the idle pulley for being placed in the jackshaft, the idle pulley It is engaged with the third gear driven gear.

9. power-driven system described in any one of -7 according to claim 1, which is characterized in that the electricity of the motor generator Arbor is the hollow shaft for being placed in the jackshaft, and motor side gear, the motor side tooth are fixedly connected in the hollow shaft Wheel is engaged with the third gear driven gear.

10. power-driven system described in any one of -7 according to claim 1, which is characterized in that the third gear is driven Gear is placed in the output shaft, and is optionally of coupled connections with the outputting axial power；

The power-driven system has power generation in parking operating mode, in the power generation in parking operating mode, the third gear Position driving gear is connect with the input shaft power coupling, and the third gear driven gear and the output shaft disconnect, described Clutch engagement, the engine operation is to drive the motor generator to generate electricity.

11. power-driven system according to claim 10, which is characterized in that the motor shaft of the motor generator is fixed It is connected with motor side gear, the motor side gear and the first idle pulley, the second idle pulley for being placed in the jackshaft sequentially engage, Second idle pulley is engaged with the third gear driven gear.

12. power-driven system described in any one of -7 according to claim 1, which is characterized in that the output shaft empty set is set It is equipped with output gear, the output gear is optionally of coupled connections with the outputting axial power；

The power-driven system has power generation in parking operating mode, in the power generation in parking operating mode, the output gear Wheel is disconnected with the output shaft, and the clutch engagement, the engine is suitable for driving the electronic hair by the output shaft Electric power generation.

13. a kind of vehicle, which is characterized in that have such as power-driven system of any of claims 1-12.