CN209479403U - Power-driven system and vehicle - Google Patents

Abstract

The utility model discloses a kind of power-driven system and vehicles, power-driven system includes: engine, motor generator, speed changer, speed changer includes: that the first gear driving gear, the second gear driving gear are optionally connect with input shaft power coupling, and motor generator is connect with input shaft power coupling；Output shaft, the second gear driven gear that output shaft empty set is provided with the first gear driven gear engaged with the first gear driving gear, engages with the second gear driving gear, first gear driven gear, the second gear driven gear are optionally of coupled connections with outputting axial power, and the second gear driven gear is fixedly connected with transmission gear；Jackshaft, jackshaft are provided with jackshaft first gear and jackshaft second gear, and jackshaft second gear is engaged with transmission gear.The power-driven system of the utility model has greater efficiency, it can be achieved that pure electric vehicle keeps off output entirely, 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, and biography can be improved Efficiency of movement.

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 empty set is provided with the first gear driving gear, the second gear driving gear, and first gear is actively Gear, the second gear driving gear are optionally connect with the input shaft power coupling, the motor generator with The input shaft power coupling connection；Output shaft, the output shaft empty set is provided with to be engaged with the first gear driving gear The first gear driven gear, the second gear driven gear for being engaged with the second gear driving gear, first gear Driven gear, the second gear driven gear are optionally of coupled connections with the outputting axial power, second gear Driven gear is fixedly connected with transmission gear；Jackshaft, the jackshaft are provided with jackshaft first gear and jackshaft second Gear, the jackshaft first gear are engaged with the first gear driven gear, the jackshaft second gear and the biography Moving gear engagement.

According to the power-driven system of the utility model embodiment, motor generator is connected with input shaft, it can be achieved that parking Power generation and pure electric vehicle driving, transmission chain is short, and transmission efficiency is high, can the full gear driving of pure electric vehicle, promote motor operation efficiency, speed change Device uses the gear structure design of annular kinetic current form, and less gear can be used and realize that multiple gears of engine are defeated Out, 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 Between arrange.

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 embodiment；

Fig. 2 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,

Output gear 1f, main reducing gear driven gear 2f,

First synchronizer A, the second synchronizer B, third synchronizer C, the 4th synchronizer D.

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 description according to the utility model embodiment, the power-driven system 100 motor generator 20 is connected with the input shaft I of speed changer, in this way, the driving force that motor generator 20 exports can directly be made For input shaft I, and by II output driving power of output shaft, realize that electric motorized vehicle 1000 travels.And electric drive is dynamic Power transmission path is shorter, and transmission efficiency is high, can pure electric vehicle keep off output entirely, promotion motor operation efficiency is particularly suitable for plug-in In hybrid vehicle 1000.

As shown in Figure 1, according to the power-driven system 100 of the utility model embodiment, comprising: engine 10, electronic hair Motor 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 Figure 1, motor generator 20 is connected with speed changer, the exportable driving force of motor generator 20 simultaneously passes through speed change Device is transferred to the drive force motor generator 20 that wheel realizes that electric drive or engine 10 export and generates electricity.It is electric as a result, Dynamic 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 Figure 1, 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 Figure 1, I empty set of input shaft is provided with the first gear driving gear 1a, the second gear driving gear 2a, 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 is optionally connect with I power coupling of input shaft.That is the first gear driving gear 1a may be selected and input shaft I It is connected, also may be selected not to be connected with input shaft I；Second gear driving gear 2a may be selected to be connected with input shaft I, also may be selected not It is connected with input shaft I.

As shown in Figure 1, I empty set of input shaft is provided with third gear driving gear 3a and fourth gear position driving gear 4a, the Three gear driving gear 3a, fourth gear position driving gear 4a are placed in input shaft I, and third gear driving gear 3a, fourth gear Position driving gear 4a is optionally connect with I power coupling of input shaft.That is third gear driving gear 3a may be selected and input Axis I is connected, and also may be selected not to be connected with input shaft I；Fourth gear position driving gear 4a may be selected to be connected with input shaft I, also optional It selects and is not connected with input shaft I.In this way, the driving force that engine 10 exports can be exported by input shaft I to the first gear driving gear 1a, the second gear driving gear 2a, third gear driving gear 3a, one in the driving gear 4a of fourth gear position.

As shown in Figure 1, output shaft II is provided with the first gear driven gear 1b, the second gear driven gear 2b, third gear Position driven gear 3b and fourth gear position driven gear 4b, the first gear driven gear 1b are engaged with the first gear driving gear 1a, Second gear driven gear 2b is engaged with the second gear driving gear 2a, third gear driven gear 3b and third gear driving tooth 3a engagement is taken turns, fourth gear position driven gear 4b is engaged with fourth gear position driving gear 4a.

Wherein, the first gear driven gear 1b, the second gear driven gear 2b are placed in output shaft II, and the first gear from Moving gear 1b and the second gear driven gear 2b are optionally connect with II power coupling of output shaft.That is the first gear driven tooth Wheel 1b may be selected to be connected with output shaft II, also may be selected not to be connected with output shaft II；Second gear driven gear 2b may be selected with Output shaft II is connected, and also may be selected not to be connected with output shaft II.First gear driven gear 1b or the second gear driven gear 2b Driving force optionally pass to output shaft II, with realize power transmit；Third gear driven gear 3b is fixedly connected on Output shaft II, fourth gear position driven gear 4b are fixedly connected with output shaft II.

In this way, the driving force of engine 10 includes at least four transmission paths, i.e. engine by input shaft I to output shaft II 10 driving force by input shaft I through the first gear driving gear 1a, the first gear driven gear 1b to output shaft II, or by defeated Enter axis I through the second gear driving gear 2a, the second gear driven gear 2b to output shaft II, then by input shaft I through third Gear driving gear 3a, third gear driven gear 3b to output shaft II, then input shaft I through fourth gear position driving gear 4a, fourth gear position driven gear 4b to output shaft II.Thus, it can be achieved that the power transmitting in different paths.

Wherein, the first gear driven gear 1b, the second gear driven gear 2b, third gear driven gear 3b and fourth gear The specification of position driven gear 4b is different, the first gear driving gear 1a, the second gear driving gear 2a, third gear driving tooth The specification for taking turns 3a is different.The driving force difference exported as a result, by different dynamic transmission path is, it can be achieved that power-driven system The power output of 100 different torques, the driving force that power-driven system 100 is exported are well adapted for or match currently Driving force needed for 1000 operating condition of vehicle, so guarantee vehicle 1000 during traveling have good dynamic property and Fuel economy promotes the performance of vehicle.

Output shaft II is connected with main reducing gear 30, as shown in Figure 1, output shaft II is provided with output gear 1f, main reducing gear 30 are equipped with main reducing gear driven gear 2f, and the driving force that output shaft II transmits can pass through output gear 1f, main reducing gear driven tooth Wheel 2f passes to main reducing gear 30.

Second gear driven gear 2b is fixedly connected with transmission gear 5b, and transmission gear 5b is sheathed on the output shaft II On, as shown in Figure 1, 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 the second gear driven gear 2b is different from the diameter of transmission gear 5b, as a result, the second gear Driven gear 2b, transmission gear 5b respectively with other gears engaged transmission when, 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 Figure 1, 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.Second actively as a result, The driving force of gear transmitting is exported to output shaft II and by transmission gear 5b by the second gear driven gear 2b by jackshaft III It exports 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 drive line The power output of the different gears of system 100 increases the diversity and washability of output gear, defeated convenient for power-driven system 100 Driving force out adapts to different operating conditions.And the power-driven system 100 realize the power output of multiple gears needed for biography Moving part is less, and structure is simple, and design cost is low.

Jackshaft III is provided with jackshaft first gear 1c and jackshaft second gear 2c, and as shown in Figure 1, jackshaft One gear 1c is fixedly connected with jackshaft III, and jackshaft second gear 2c is fixedly connected with jackshaft III, i.e. the first tooth of jackshaft Take turns 1c and jackshaft second gear 2c can same rotational speed, jackshaft first gear 1c engages with the first gear driven gear 1b, 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 gear as a result, 2a, the second gear driven gear 2b pass to transmission gear 5b, and are sequentially output by transmission gear 5b and give jackshaft second gear 2c, jackshaft III, jackshaft first gear 1c and the first gear driven gear 1b are transmitted using the first gear driven gear 1b To output shaft II.The driving force of certain input shaft I can be transmitted by the first gear driving gear 1a, the first gear driven gear 1b Jackshaft first gear 1c is given, and passes sequentially through jackshaft first gear 1c, jackshaft III, jackshaft second gear 2c, transmission 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, transmission gear 5b, jackshaft first gear 1c, jackshaft second gear In the drive path of bottom gear and top gear, i.e., the connection type of 2c and the first gear driven gear 1b, can improve speed changer Speed changer has bottom gear output mode and top gear output mode.

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.

Motor generator 20 is connect with I power coupling of input shaft, in this way, engine 10 is output to the driving force of input shaft I Motor generator 20 can be passed to for generating electricity, to realize power generation in parking.Wherein the driving force of engine 10 is passed by input shaft I Motor generator 20 is passed for generating electricity, the drive path of power transmitting is short, and generating efficiency is high.The drive that motor generator 20 exports Power can also be transmitted to output shaft II by input shaft I, and be transmitted to main reducing gear 30 for driving wheel by output shaft II Pure electric vehicle driving is realized in rotation.It certainly can also be by engine 10 and motor generator 20 while output driving power, to input Torque superposition is carried out on axis I, to enhance driving force, is improved the dynamic property of vehicle 1000, is promoted the lifting capacity of vehicle 1000.

Wherein, the driving force that motor generator 20 exports can be by input shaft I through the first gear driving gear 1a, the first gear Driven gear 1b is transferred to output shaft II；Or by input shaft I through the second gear driving gear 2a, the second gear driven gear 2b It is transferred to output shaft II；Or output is transferred to through third gear driving gear 3a, third gear driven gear 3b by input shaft I Axis II；Or output shaft II is transferred to through fourth gear position driving gear 4a, fourth gear position driven gear 4b by input shaft I；And by The output of output shaft II is short to the drive path for the driving force that main reducing gear 30 and wheel, motor generator 20 export, transmission process It is easily achieved, it can be achieved that the full gear of pure electric vehicle drives and promoted motor operation efficiency, is particularly suitable for plug-in hybrid In vehicle 1000.

Meanwhile motor generator 20 being connected at input shaft I, greatly reduce the driving member of power-driven system 100 Quantity, reduce production cost, be easy to the space layout of vehicle.And in control logic, power-driven system 100 does not change The basic framework and shift logic of speed changer, the intervention of motor generator 20 are showed only as being superimposed in the torque of input shaft I, therefore The control logic of engine 10 and speed changer and the control logic of motor generator 20 be it is independent, be conducive in this way save producer Development time and cost, the higher failure rate of system is avoided, even if engine 10 will not be influenced with transmission system failure The power output of motor generator 20 when pure electric vehicle.

Parallel mixed power system structure can preferably protrude parallel structure by direct torque couple The advantage that dynamic property is strong, structure is simple and vehicle space layout is easily realized.

Above-mentioned power-driven system has pure electric mode, and in pure electric mode, engine 10 is not Work, clutch K are disconnected, and motor generator 20 works, and the driving force that motor generator 20 exports is suitable for through input shaft I, gear Position driving gear be connected with the gear driving gear gear driven gear, output shaft II output, to carry out pure electric vehicle driving, and The driving force that motor generator 20 exports is exported through different gear driving gears and gear driven gear, can make power drive line System 100 has multiple pure electric vehicle gears.

Above-mentioned power-driven system also has power generation in parking operating mode, in power generation in parking mode, gear driving tooth Wheel is disconnected with input shaft I, and clutch K is combined, and engine 10 is suitable for driving motor generator 20 to generate electricity by input shaft I.

As shown in Figure 1, the driving force that engine 10 exports is output to input shaft I by clutch K, input shaft I will be driven Power is transmitted to motor generator 20 so that for driving motor generator 20 to generate electricity, i.e., the driving force that engine 10 exports is used to drive The power generation of motor generator 20 is without exporting to wheel, thus, it can be achieved that power generation in parking.

According to the power-driven system 100 of the utility model embodiment, motor generator 20 is connected with input shaft I, can be real Existing power generation in parking and the full gear driving of pure electric vehicle, transmission chain is short, and transmission efficiency is high, promotes motor operation efficiency, 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.

In some embodiments, as shown in Figure 1, input shaft I is provided with the driving gear Ra that reverses gear, reverse gear driving gear Ra with Input shaft I is fixedly connected, and jackshaft III is provided with jackshaft third gear 3c, and jackshaft third gear 3c is placed in jackshaft III, jackshaft third gear 3c is engaged with the driving gear Ra that reverses gear.In this way, the driving force of input shaft I can pass through the driving tooth that reverses gear Wheel Ra, jackshaft third gear 3c pass to jackshaft III, and are transmitted to output shaft II by the output of jackshaft III, hereby it is achieved that The power output of reversing gear of power-driven system 100, driving vehicle 1000 retreat.

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 Figure 1, the driving gear Ra that reverses gear is fixedly connected with input shaft I, jackshaft third gear 3c is placed in Jackshaft III, and jackshaft third gear 3c is optionally connected with jackshaft III.In this way, being fallen in vehicle 1000 When gear operation, jackshaft third gear 3c is connect with III power coupling of jackshaft, so that the driving force of input shaft I can be by falling Gear driving gear Ra, jackshaft third gear 3c pass to output shaft II, and vehicle 1000 reverses gear traveling；It is not needed in vehicle 1000 Reverse gear when operating, jackshaft third gear 3c be separated with jackshaft III, so that jackshaft third gear 3c and jackshaft Unpowered transmitting between III, i.e. speed changer can avoid vehicle 1000 during advance, speed change without power output of reversing gear as a result, Device 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, promotion The travel safety of vehicle 1000.

Wherein, the first gear driving gear 1a, the second gear driving gear 2a by the first synchronizer A optionally with I power coupling of input shaft connection, as shown in Figure 1, the left clutch collar of the first synchronizer A be used for by the first gear driving gear 1a with The connection of I power coupling of input shaft, the right clutch collar of the first synchronizer A is for moving the second gear driving gear 2a with input shaft I Power is of coupled connections.

First gear driven gear 1b, the second gear driven gear 2b by the second synchronizer B optionally with output II power coupling of axis connection, as shown in Figure 1, the left clutch collar of the second synchronizer B be used for by the first gear driven gear 1b with it is defeated The connection of II power coupling of shaft, the right clutch collar of the second synchronizer B is for moving the second gear driven gear 2b with output shaft II Power is of coupled connections；Third gear driving gear 3a and fourth gear position driving gear 4a by third synchronizer C optionally with I power coupling of input shaft connection, as shown in Figure 1, the right clutch collar of third synchronizer C be used for by fourth gear position driving gear 4a with The connection of I power coupling of input shaft, the left clutch collar of third synchronizer C is for moving third gear driving gear 3a with input shaft I Power is of coupled connections.As shown in Figure 1, jackshaft third gear 3c by the 4th synchronizer D optionally with III power of jackshaft It 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 drives The driving force that dynamic system 100 exports can satisfy driving demand.

It can at least realize the dynamic of six forward ranges under fuel oil operating condition by above-mentioned power-driven system 100 as a result, Power output, 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- main reducing gear driven 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- main reducing gear driven gear 2f- main reducing gear 30- wheel.

When three 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 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- main reducing gear driven gear 2f- main reducing gear 30- wheel.

When four 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- main reducing gear driven gear 2f- main reducing gear 30- wheel.

When five 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 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- main reducing gear driven gear 2f- main reducing gear 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- main reducing gear driven gear 2f- main reducing gear 30- wheel.

Specifically, under fuel oil driving operating mode, the position shape of speed changer corresponding each synchronizer in each gear Condition is as shown in table 1:

Table 1

As shown in table 1, S1 indicates that the first synchronizer A, S3 indicates that third synchronizer C, S2 indicate the second synchronizer B, S4 Indicate the 4th synchronizer D, ● indicate that synchronizer is engaged with corresponding gear.

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.

The power-driven system 100 of above-described embodiment can also be achieved the hybrid power output of at least six forward ranges, In under hybrid power operating condition, engine 10 export driving force transmission path and pure fuel oil operating condition under power transfer path Identical, the driving force that motor generator 20 exports passes to output shaft II by the transmission gear on input shaft I and input shaft I, The driving force of motor generator 20 and the driving force of engine 10 form torque superposition on input shaft I as a result, realize that mixing is dynamic Power drive.Promote the dynamic property of power-driven system 100, all had with to guarantee vehicle 1000 under different operating conditions stablize, In due course power output promotes the power performance of vehicle, promotes the max. speed, acceleration capacity and climbing capacity of vehicle.

Below with reference to Fig. 1 description according to some embodiments of the power-driven system 100 of invention.

In example 1:

As shown in Figure 1, power-driven system 100 includes engine 10, motor generator 20, speed changer, main reducing gear 30, The crankshaft of engine 10 can be connected with the input terminal of speed changer, and the output end of speed changer is connected with main reducing gear 30.

Speed changer includes: clutch K, input shaft I, output shaft II and jackshaft III.

As shown in Figure 1, input shaft I is connect by clutch K with 10 power coupling of engine, I empty set of input shaft is provided with First gear driving gear 1a, the second gear driving gear 2a, third gear driving gear 3a and fourth gear position driving gear 4a, First gear driving gear 1a, the second gear driving gear 2a by the first synchronizer A optionally with I power coupling of input shaft It closes connection, third gear driving gear 3a and fourth gear position driving gear 4a and passes through third synchronizer C and I power coupling of input shaft Connection, II empty set of output shaft are provided with the first gear driven gear 1b, the second gear driven gear 2b, the first gear driven gear 1b, the second gear driven gear 2b are connect by the second synchronizer B with II power coupling of output shaft, and output shaft II is fixedly connected with Third gear driven gear 3b, fourth gear position driven gear 4b.Wherein, the first gear driven gear 1b and the first gear driving tooth 1a engagement is taken turns, the second gear driven gear 2b is engaged with the second gear driving gear 2a, third gear driven gear 3b and third Gear driving gear 3a engagement, fourth gear position driven gear 4b are engaged with fourth gear position driving gear 4a.

As shown in Figure 1, jackshaft III is provided with jackshaft first gear 1c and jackshaft second gear 2c, the second gear from Moving gear 2b is fixedly connected with transmission gear 5b, and transmission gear 5b is connect side by side with the second gear driven gear 2b is formed as duplex Gear, jackshaft first gear 1c are fixedly connected with jackshaft III, and jackshaft second gear 2c is fixedly connected with jackshaft III, defeated Enter axis I, the second gear driven gear 2b, transmission gear 5b, jackshaft first gear 1c, jackshaft second gear 2c, first gear Position driven gear 1b and the first gear driving gear 1a forms the connection type of annular kinetic current form, can improve speed changer and exist The drive path of bottom gear and top gear, i.e. speed changer have special bottom gear output mode and top gear output mode, this Two output modes use the gear of other gears, the positive and negative bi-directional of power may be implemented, to realize different decelerations Than power output, and increased gear is few, and most of gear in the drive path is the gear shared with other gears.

As shown in Figure 1, input shaft I is provided with the driving gear Ra that reverses gear, reverse gear driving gear Ra and the fixed company of input shaft I It connects, jackshaft III is provided with jackshaft third gear 3c, and jackshaft third gear 3c is placed in jackshaft III, jackshaft third tooth Wheel 3c is optionally connect with III power coupling of jackshaft by the 4th synchronizer D, jackshaft third gear 3c and master of reversing gear Moving gear Ra engagement.

As shown in Figure 1, the motor shaft of motor generator 20 is connected by shaft coupling with output shaft II, what engine 10 exported Driving force can drive motor generator 20 to generate electricity by input shaft I, and also exportable driving force is used to drive motor generator 20 Motor car wheel rotation.

Output shaft II is connected with main reducing gear 30, and output shaft II is provided with output gear 1f, and main reducing gear 30 is equipped with master and subtracts Fast device driven gear 2f, the driving force that output shaft II transmits can be passed to by output gear 1f, main reducing gear driven gear 2f Main reducing gear 30.

It can by the selective binding of clutch K and multiple synchronizers according to the power-driven system 100 of embodiment one Realize following operating condition:

1, pure electric vehicle operating condition: engine 10 does not work, the power of motor generator 20 by input shaft I, gear driving gear, Gear driven gear, output shaft II are 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 a gear of engine 10, start the power of motor generator 20, The power intervention that motor generator 20 can be achieved, forms torque superposition, to realize the various gears of hybrid power on input shaft I Output.

4, driving power generation: defeated while the power of engine 10 is exported from input shaft I to output shaft II in driving conditions The partial power for entering axis I is transmitted to motor generator 20, realizes 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 clutch K is combined, the 4th synchronizer D combination jackshaft of movement the Three gear 3c, motor generator 20 realize reversing of reversing gear by jackshaft III；(2) engine 10 is moved backward, and clutch K is combined, and is moved Make the 4th synchronizer D combination jackshaft third gear 3c, engine 10 realizes reversing of reversing gear by jackshaft III；(3) mixing is dynamic Power reversing while engine 10 is moved backward, realizes hybrid power reversing by intervention motor power.

7, power generation in parking: third synchronizer C disconnects input shaft I and third gear driving gear 3a, and engine 10 exports Driving force motor generator 20 is transmitted to by input shaft I, realize power generation in parking function.

The utility model also proposed a kind of vehicle 1000.

According to the vehicle 1000 of the utility model embodiment, as shown in Fig. 2, the power-driven system with above-described embodiment 100, the power-driven system 100 of the vehicle 1000, motor generator 20 is connected with the input shaft I of speed changer, it can be achieved that parking Power generation 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, speed changer It is designed using the gear structure of annular kinetic current form, less gear can be used and realize that multiple gears of engine 10 are defeated Out, design so had not only alleviated the weight of speed changer, but also reduced the axial gears of speed changer, was conducive to power-driven system 100 Space layout, 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 (10)

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 empty set and is provided with the first gear driving gear, the second gear driving gear, the first gear driving gear, described second Gear driving gear is optionally connect with the input shaft power coupling, the motor generator and the input shaft power It is of coupled connections；

Output shaft, the output shaft empty set be provided with the first gear driven gear engaged with the first gear driving gear, The the second gear driven gear engaged with the second gear driving gear, the first gear driven gear, the second gear Position driven gear is optionally of coupled connections with the outputting axial power, and the second gear driven gear is fixedly connected with biography Moving gear；

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 third gear Driving gear and fourth gear position driving gear, the output shaft are fixedly connected with engaged with the third gear driving gear Three gear driven gears and the fourth gear position driven gear engaged with fourth gear position driving gear, the driving gear that reverses gear It is fixedly connected with the input shaft, 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 to 6, which is characterized in that the electricity of the motor generator Arbor is connected by shaft coupling with the output shaft.

8. power-driven system according to claim 1 to 6, which is characterized in that the power-driven system tool There is pure electric mode, in the pure electric mode, the engine does not work, and the clutch disconnects, described Motor generator work, the driving force of the motor generator are suitable for through input shaft, gear driving gear and corresponding gear Driven gear, output shaft output, so that the power-driven system has multiple pure electric vehicle gears.

9. power-driven system according to claim 1 to 6, which is characterized in that the power-driven system tool There is power generation in parking operating mode, in the power generation in parking operating mode, gear driving gear and the input shaft are disconnected, described Clutch engagement, the engine are suitable for driving the motor generator power generation by the output shaft.

10. a kind of vehicle, which is characterized in that have power-driven system as claimed in any one of claims 1-9 wherein.