CN105437962B - Hybrid vehicle and its energy back-feed control method and power drive system - Google Patents

Abstract

The invention discloses a kind of energy back-feed control methods of hybrid vehicle, including：The current vehicle speed and the depth of brake pedal and the depth of gas pedal of detection hybrid vehicle；When current vehicle speed is more than preset vehicle speed, the depth of brake pedal is 0, the depth of gas pedal is less than predetermined depth, current shift is that D is kept off, hybrid vehicle is not in cruise mode control and the anti-lock braking system of hybrid vehicle is in non-working condition, or when current vehicle speed is more than preset vehicle speed, the depth of brake pedal more than 0 and anti-lock braking system is in non-working condition, control hybrid vehicle enters energy feedback control model, and the gear of the first dynamotor is selected according to the energy feedback demand torque of acquisition.The present invention can effectively improve the continual mileage, fuel economy and operation ride comfort of vehicle.The invention also discloses a kind of power drive system of hybrid vehicle and with the hybrid vehicle of the power drive system.

Description

Hybrid vehicle and its energy back-feed control method and power drive system

Technical field

The present invention relates to automobile technical field, more particularly to a kind of energy back-feed control method of hybrid vehicle, one The power drive system of kind hybrid vehicle and a kind of mixing of the power drive system including the hybrid vehicle are dynamic Power automobile.

Background technology

Hybrid vehicle generally uses novel automobile power structure, and carries power battery.And for how to carry The running efficiency of high hybrid vehicle, and then extending driving range, be hybrid vehicle need solve one it is key Problem.Wherein, energy feedback is to solve the problems, such as a kind of this technical measures, and energy feedback includes vehicle braking energy feedback and pine Throttle slides energy feedback two parts, and the energy-recuperation system of existing hybrid vehicle generally all includes that both energy return Feedback mode.

A kind of energy back-feed control method of hybrid vehicle, the energy back-feed control method are disclosed in the related technology Consider and taken into account controller, engine controller, gearbox controller, electric machine controller and the battery of hybrid vehicle Controller.Wherein, vehicle control device judges whether to meet the condition for entering energy feedback control according to the signal of other controllers, To carry out corresponding control strategy, energy feedback control can be preferably realized, to preferably improve vehicle economy.

Inventor's discovery, the energy of motor when energy back-feed control method in the related technology predominantly realizes a kind of gear Feedback (braking energy feedback and accelerator releasing slide feedback), since the gear of existing new-energy automobile gearbox is substantially one A gear, but in order to improve the dynamic property economy of vehicle, more and more companies can select tool, and there are two the gearboxes of gear. At this point, energy back-feed control method in the related technology in the energy feedback control for realizing vehicle will existing defects, such as Corresponding gear can not be selected according to corresponding resistance.

Invention content

The purpose of the present invention is intended at least solve above-mentioned one of technical problem to a certain extent.

For this purpose, an object of the present invention is to provide a kind of energy back-feed control method of hybrid vehicle, this is mixed The energy back-feed control method of power vehicle is closed when the gear of hybrid vehicle is one grade more than, it can be according to corresponding resistance Corresponding gear is selected, to substantially increase the fuel economy of vehicle.

It is another object of the present invention to propose a kind of power drive system of hybrid vehicle.

Another object of the present invention is to propose a kind of hybrid vehicle.

In order to achieve the above objectives, one aspect of the present invention embodiment proposes a kind of energy feedback control of hybrid vehicle The power drive system of method, the hybrid vehicle includes engine, multiple input axis, multiple output shafts, motor power Axis and the first dynamotor, wherein the engine is arranged to be selectively engageable in the multiple input shaft at least One, it each is provided with gear driving gear on the input shaft, gear driven gear, institute are provided on each output shaft It states gear driven gear accordingly to engage with the gear driving gear, the motor power axis is arranged to can be with the input shaft In a linkage, first dynamotor is arranged to link with the motor power axis, and in the motor When one in line shaft and the input shaft is linked, first dynamotor can utilize and come from the hair At least partly power of motivation output is sailed in the hybrid electric vehicle and when parking generates electricity, the first electronic hair There is motor the first gear and the second gear, the energy back-feed control method to include the following steps：Detect the hybrid power The depth of the brake pedal of the current vehicle speed of automobile and the hybrid vehicle and the depth of gas pedal；When the mixing The depth that the current vehicle speed of power vehicle is more than preset vehicle speed, the depth of the brake pedal is the 0, gas pedal is less than pre- If depth, the current shift of the hybrid vehicle are kept off for D, the hybrid vehicle is not in cruise mode control and institute When stating the anti-lock braking system of hybrid vehicle and being in non-working condition, or when the current vehicle of the hybrid vehicle Speed is more than the preset vehicle speed, the depth of the brake pedal is more than 0 and the anti-lock braking system is in non-working condition When, it controls the hybrid vehicle and enters energy feedback control model, wherein be in the energy in the hybrid vehicle When measuring feedback control model, energy feedback demand torque is obtained, and described first is selected according to the energy feedback demand torque The gear of dynamotor.

The energy back-feed control method for the hybrid vehicle that the embodiment of the present invention proposes, is detecting hybrid vehicle Current vehicle speed and hybrid vehicle the depth of brake pedal and the depth of gas pedal after, when hybrid vehicle The depth that current vehicle speed is more than preset vehicle speed, the depth of brake pedal is 0, gas pedal is less than predetermined depth, hybrid power vapour The current shift of vehicle is not in the anti-skid braking system of cruise mode control and hybrid vehicle for D gears, hybrid vehicle When system is in non-working condition, or when the current vehicle speed of hybrid vehicle is big more than preset vehicle speed, the depth of brake pedal In 0 and anti-lock braking system be in non-working condition when, control hybrid vehicle enters energy feedback control model, and obtains Energy feedback demand torque is taken, and selects the gear of the first dynamotor according to energy feedback demand torque.The mixing is dynamic The energy back-feed control method of power automobile can be turned round when the gear of hybrid vehicle is one grade more than according to energy feedback demand Square selects corresponding gear to carry out energy feedback, to substantially increase the fuel economy of vehicle.

In order to achieve the above objectives, another aspect of the present invention embodiment also proposed a kind of power transmission of hybrid vehicle The power drive system of system, the hybrid vehicle includes：Engine；Multiple input axis, the engine are arranged to optional At least one of the multiple input shaft is engaged to selecting property, gear driving gear is provided on each input shaft；It is multiple Output shaft is each provided with gear driven gear, the gear driven gear and the gear driving gear on the output shaft Accordingly engage；Motor power axis, the motor power axis are arranged to link with one in the input shaft；First is electronic Generator, first dynamotor is arranged to link with the motor power axis, wherein in the motor power axis When being linked with one in the input shaft, first dynamotor can utilize defeated from the engine At least partly power gone out is sailed in the hybrid electric vehicle and when parking generates electricity, the first dynamoelectric and power generation equipment There are the first gear and the second gear；Detection module, the current vehicle speed and the mixing for detecting the hybrid vehicle are dynamic The depth of the brake pedal of power automobile and the depth of gas pedal；Control module, in the current vehicle of the hybrid vehicle The depth that speed is more than preset vehicle speed, the depth of the brake pedal is the 0, gas pedal is less than predetermined depth, the mixing The current shift of power vehicle is that D is kept off, the hybrid vehicle is not in cruise mode control and the hybrid vehicle Anti-lock braking system when being in non-working condition, or the hybrid vehicle current vehicle speed be more than it is described default Speed, the depth of the brake pedal are more than 0 and when the anti-lock braking system is in non-working condition, the control module It controls the hybrid vehicle and enters energy feedback control model, wherein be in the energy in the hybrid vehicle When feedback control model, the control module obtains energy feedback demand torque, and is selected according to the energy feedback demand torque Select the gear of first dynamotor.

The power drive system for the hybrid vehicle that the embodiment of the present invention proposes, mixing is being detected by detection module After the depth of the depth and gas pedal of the current vehicle speed of power vehicle and the brake pedal of hybrid vehicle, and then mixed The depth that the current vehicle speed for closing power vehicle is more than preset vehicle speed, the depth of brake pedal is 0, gas pedal is less than default deep It spends, the current shift of hybrid vehicle is that D is kept off, hybrid vehicle is not in cruise mode control and hybrid vehicle When anti-lock braking system is in non-working condition, or hybrid vehicle current vehicle speed be more than preset vehicle speed, braking More than 0 and when anti-lock braking system is in non-working condition, control module controls hybrid vehicle and enters the depth of pedal Energy feedback control model, and energy feedback demand torque is obtained, and it is electronic according to the selection first of energy feedback demand torque The gear of generator.The power drive system of the hybrid vehicle, can when the gear of hybrid vehicle is one grade more than Corresponding gear is selected to carry out energy feedback according to energy feedback demand torque, to substantially increase the fuel-economy of vehicle Property.

In order to achieve the above objectives, further aspect of the present invention embodiment also proposed a kind of hybrid vehicle, and the mixing is dynamic Power automobile includes the power drive system of the hybrid vehicle.

The hybrid vehicle that the embodiment of the present invention proposes can pass through hybrid vehicle when gear is one grade more than Power drive system to select corresponding gear to carry out energy feedback according to energy feedback demand torque, whole to substantially increase The fuel economy of vehicle.

The additional aspect of the present invention and advantage will be set forth in part in the description, and will partly become from the following description Obviously, or practice through the invention is recognized.

Description of the drawings

Above-mentioned and/or additional aspect and advantage of the invention will become from the following description of the accompanying drawings of embodiments Obviously and it is readily appreciated that, wherein：

Fig. 1 is the schematic diagram of speed changer according to the ... of the embodiment of the present invention；

Fig. 2 is the schematic diagram of power drive system according to an embodiment of the invention；

Fig. 3 is the schematic diagram of power drive system in accordance with another embodiment of the present invention；

Fig. 4 is the schematic diagram according to the power drive system of further embodiment of the present invention；

Fig. 5 is the schematic diagram according to the power drive system of further embodiment of the present invention；

Fig. 6 is the schematic diagram according to the power drive system of further embodiment of the present invention；

Fig. 7 is the schematic diagram according to the power drive system of further embodiment of the present invention；

Fig. 8 is the schematic diagram according to the power drive system of further embodiment of the present invention；

Fig. 9 is the schematic diagram according to the power drive system of further embodiment of the present invention；

Figure 10 is the schematic diagram according to the power drive system of further embodiment of the present invention；

Figure 11 is the schematic diagram according to the power drive system of further embodiment of the present invention；

Figure 12 is the schematic diagram according to the power drive system of further embodiment of the present invention；

Figure 13 is the flow chart of the energy back-feed control method of hybrid vehicle according to the ... of the embodiment of the present invention；

Figure 14 is the flow of the energy back-feed control method of hybrid vehicle accord to a specific embodiment of that present invention Figure；

Figure 15 is the stream according to the energy back-feed control method of the hybrid vehicle of another specific embodiment of the invention Cheng Tu；

Figure 16 is the energy feedback of the energy back-feed control method of hybrid vehicle according to an embodiment of the invention The schematic diagram in path；

Figure 17 is the stream according to the energy back-feed control method of the hybrid vehicle of another specific embodiment of the invention Cheng Tu；And

Figure 18 is the energy of the energy back-feed control method of hybrid vehicle accord to a specific embodiment of that present invention Control information back interacts schematic diagram.

Specific implementation mode

The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached The embodiment of figure description is exemplary, and is only used for explaining the present invention, and is not construed as limiting the claims.

Following disclosure provides many different embodiments or example is used for realizing the different structure of the present invention.For letter Change disclosure of the invention, hereinafter the component of specific examples and setting are described.Certainly, they are merely examples, and It is not intended to limit the present invention.In addition, the present invention can in different examples repeat reference numerals and/or letter.It is this heavy It is for purposes of simplicity and clarity, itself not indicate the relationship between discussed various embodiments and/or setting again.This Outside, the present invention provides various specific techniques and material example, but those of ordinary skill in the art may realize that The applicable property of other techniques and/or the use of other materials.In addition, fisrt feature described below second feature it The structure of "upper" may include the embodiment that the first and second features are formed as being in direct contact, and can also include other feature shape At the embodiment between the first and second features, such first and second feature may not be to be in direct contact.

In the description of the present invention, it should be noted that unless otherwise specified and limited, term " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be mechanical connection or electrical connection, can also be the connection inside two elements, it can , can also indirectly connected through an intermediary, for the ordinary skill in the art to be to be connected directly, it can basis Concrete condition understands the concrete meaning of above-mentioned term.

The energy feedback controlling party of the hybrid vehicle proposed according to embodiments of the present invention described with reference to the accompanying drawings Method.

Power drive system 100 is described in detail in conjunction with Fig. 1-Figure 12 first, which is suitable for In the vehicle of such as hybrid vehicle, and as the dynamical system of vehicle, for normal vehicle operation provide sufficient power and Electric energy.

Power drive system 100 according to the ... of the embodiment of the present invention includes mainly two large divisions, and one can be power source, power Source can be engine 4, dynamotor etc., secondly can be speed changer (as shown in Figure 1), speed changer is for realizing to power source The speed changing function for exporting power, meets vehicle driving requirements or charging requirement etc..

For example, in some embodiments, as shown in Fig. 2-Figure 12, power drive system 100 may include engine 4, One dynamotor 51 and speed changer, but not limited to this.

It is directly defeated after utilizing liquid fuel (for example, gasoline, diesel oil etc.) and air to mix for engine 4 more Enter combustion chamber burning and generate energy, is then transformed into mechanical energy again.Engine 4 generally may include body group, crank Link mechanism, feed system, ignition system, cooling system and lubricating system etc..Body group is 4 each mechanism of engine, system Body is assembled, the straight reciprocating motion of piston can be changed into the rotary motion of bent axle and exportable power by toggle. For timing air inlet, exhaust, what guarantee engine 4 respectively recycled is smoothed out valve actuating mechanism.Feed system can be by gas mixture For burning in supply cylinder.Cooling system ensures that the operating temperature of engine 4 is in suitable temperature for cooling down engine 4 It spends in section.Lubricating system is used to lubricate each kinematic pair in engine 4, reduces abrasion and energy loss.

It should be understood that above-mentioned about engine 4 and its subsystems, the specific configuration of clamp mechanism, operation principle Deng being the prior art, and be it is well known to those of ordinary skill in the art, here for purposes of brevity, no longer one by one in detail Description.

In conjunction with shown in Fig. 1, in some embodiments, speed changer includes mainly multiple input axis (for example, the first input shaft 11, the second input shaft 12), multiple output shafts (for example, the first output shaft 21, second output shaft 22) and motor power axis 3 and each Associated gear and shifting element (e.g., synchronizer) on axis.

When being transmitted into action edge between engine 4 and input shaft, engine 4 is arranged to be selectively engageable multiple defeated Enter at least one of axis.In other words, for example, when engine 4 transmits power to input shaft, engine 4 can be selectively Engaged with one in multiple input axis with transmit power or engine 4 can also selectively in multiple input axis Two or more input shafts are simultaneously engaged with to transmit power.

For example, in the example of Fig. 1-Figure 12, multiple input axis may include the first input shaft 11 and the second input shaft 12 Two input shafts, engine 4 can be engaged selectively with one of the first input shaft 11 and the second input shaft 12 to transmit power. Alternatively, particularly, engine 4 can also be simultaneously engaged with the first input shaft 11 and the second input shaft 12 to transmit power.Certainly, it answers When understanding, engine 4 can also be disconnected with the first input shaft 11 and the second input shaft 12 simultaneously.

For the ordinary skill in the art, the engagement state and power drive system of engine 4 and input shaft 100 specific operating mode is related, this will be described in detail, is no longer described in detail here in conjunction with specific embodiments below.

It can be driven by shift gear pair between input shaft and output shaft.For example, being respectively provided on each input shaft There is gear driving gear, gear driven gear, gear driven gear and gear driving gear pair are both provided on each output shaft It engages with answering, to constitute the different gear pair of multipair speed ratio.

In some embodiments of the invention, speed changer can be five advance shift transmissions, that is, have first gear pair, two Keep off gear pair, three gear gear pairs, four gear gear pairs and five gear gear pairs.But the present invention is not limited thereto, for this field For those of ordinary skill, it can be needed according to transmission and adaptability increases or decreases the number of shift gear pair, however it is not limited to Five gear transmission shown in the embodiment of the present invention.

As shown in Fig. 1-Figure 12, motor power axis 3 is arranged to can be with one (for example, second input shaft 12) in input shaft It links.In other words, the power from the input shaft need transmitted to motor power axis 3 when, motor power axis 3 then with this Input shaft linkage is to transmit power, or the power from the motor power axis 3 is when needing to transmit to the input shaft, the input Axis then links with motor power axis 3 to transmit power.

In short, (the tool when the vehicle with power drive system 100 according to the ... of the embodiment of the present invention is in certain operating modes Body operating mode will be described in detail in conjunction with specific embodiments below), and power needs between motor power axis 3 and the input shaft When being transmitted, then the input shaft links with motor power axis 3.

It should be noted that above-mentioned " linkage " can be understood as multiple components (for example, two) coupled movements, with two For component linkage, wherein when a component movement, another component also moves therewith.

For example, in some embodiments of the invention, gear and axis linkage can be understood as when gear rotates and it The axis of linkage also will rotation, or when the axis rotate, the gear that links with it will also rotate.

For another example, when the linkage of axis and axis can be understood as that an axis rotates wherein, another axis linking with it also general Rotation.

For another example, link when gear and gear-linked can be understood as that a gear rotates wherein, with it another Gear also will rotation.

In the description in relation to " linkage " below the present invention, if without specified otherwise, it is understood in this way.

Similarly, the first dynamotor 51 is arranged to link with motor power axis 3.For example, the first dynamoelectric and power generation Machine 51, can be by the power output of generation to motor power axis 3 when as electric motor operation.For another example, in the first dynamotor 51 as generator operation when, the power from motor power axis 3 can be exported to the first dynamotor 51, to driving the One dynamotor 51 generates electricity.

Here, explanation is needed a bit, in the description of the invention in relation to " dynamotor ", if without specified otherwise, The dynamotor can be understood as having generator and the motor of motor function.

As above, motor power axis 3 can link with one in input shaft, particularly, in motor power axis 3 and be somebody's turn to do One in input shaft when being linked, the first dynamotor 51 can utilize exported from engine 4 it is at least partly dynamic Power generates electricity in vehicle traveling and parking.

In other words, when vehicle is in transport condition and motor power axis 3 is linked with one in the input shaft, hair At least partly power of motivation 4 can be exported by motor power axis 3 to the first dynamotor 51, to which driving first is electronic Generator 51 generates electricity, and realizes that engine 4 charges operating mode in driving.And vehicle be in parking (vehicle stop but start Machine 4 is still in working condition) when being linked with one in the input shaft, engine 4 is at least for state and motor power axis 3 Partial power can be exported by motor power axis 3 to the first dynamotor 51, to the first dynamotor 51 of driving into Parking charge function is realized in row power generation (i.e. " STOP " charges).

Further, motor power axis 3 is also configured to link with one (for example, second output shaft 22) in output shaft. For example, the power from motor power axis 3, when needing to transmit to the output shaft, motor power axis 3 then links with the output shaft To transmit power.Particularly, when motor power axis 3 is linked with one in output shaft, 51 energy of the first dynamotor The enough power by generation is exported by one of output shaft, to drive vehicle to travel.In short, in motor power axis 3 and being somebody's turn to do When output shaft links, the first dynamotor 51 can be used as motor and export power to drive vehicle to travel.

Need explanation a bit, in the description of the present invention, motor power axis 3 can be the first dynamotor 51 itself Motor shaft.It is, of course, understood that the motor shaft of motor power axis 3 and the first dynamotor 51 can also be two lists Only axis.

Power drive system 100 according to the ... of the embodiment of the present invention as a result, can be realized in vehicle traveling and parking and be filled Electricity Functional, enriches charge mode, solve at least to a certain extent existing power drive system charging modes it is single, charging The problems such as efficiency is low.In short, power drive system 100 according to the ... of the embodiment of the present invention can realize that driving charging and parking are filled Electric two class charge modes.

The specific configuration of speed changer is retouched in detail in conjunction with specific embodiments referring to Fig. 1 and in conjunction with Fig. 2-Figure 12 It states.

First to motor power axis synchronizer 33c, motor power axis first gear 31 and the motor on motor power axis 3 Power axis second gear 32 is described in detail.

Specifically, motor power axis first gear 31 and 32 equal sky of motor power axis second gear are set on motor On power axis 3, that is to say, that motor power axis 3 and motor power axis first gear 31 can differential rotate, similarly, motor Power axis 3 also being capable of differential rotation with motor power axis second gear 32.

Such as Fig. 1 and in combination with Fig. 2-Figure 12, motor power axis first gear 31 is arranged to be joined with one of input shaft Dynamic, motor power axis second gear 32 is arranged to link with one of output shaft.In some examples of Fig. 1-Figure 12, electricity Mechanomotive force axis first gear 31 is linked with the second input shaft 12, and motor power axis second gear 32 is and the second output shaft 22 Linkage, but the present invention is not limited thereto.

Further, motor power axis synchronizer 33c is arranged in motor power axis first gear 31 and motor power axis second Between gear 32, the clutch collar of motor power axis synchronizer 33c can be along the axial movement of motor power axis 3, such as in Fig. 1-figure In 12 example, the clutch collar of motor power axis synchronizer 33c can be under the driving of shifting fork mechanism along the axis of motor power axis 3 To leftward or rightward movement.

Motor power axis synchronizer 33c is due to being arranged in motor power axis first gear 31 and motor power axis second gear Between 32, therefore motor power axis synchronizer 33c can be selectively by motor power axis first gear 31 and motor power axis One of second gear 32 is engaged with motor power axis 3.

In conjunction with the example of Fig. 1-Figure 12, the clutch collar of motor power axis synchronizer 33c moves downward in an axial direction can will be electric Mechanomotive force axis first gear 31 is engaged with motor power axis 3, so that motor power axis 3 and motor power axis first gear 31 It can rotate synchronously.The clutch collar of motor power axis synchronizer 33c moves right in an axial direction can be by the second tooth of motor power axis Wheel 32 is engaged with motor power axis 3, so that motor power axis 3 can be rotated synchronously with motor power axis second gear 32.

It is, of course, understood that the clutch collar of motor power axis synchronizer 33c can also be maintained at neutral position (example Such as, initial position), motor power axis synchronizer 33c and motor power axis first gear 31 and motor power axis second at this time Gear 32 is each turned off.

Furthermore, it is necessary to illustrate a bit, for the ease of motor power axis first gear 31, motor power axis second gear 32 with Motor power axis synchronizer 33c is engaged, the court of motor power axis first gear 31 and motor power axis second gear 32 Can be provided with engagement gear ring to the side of motor power axis synchronizer 33c, this for the ordinary skill in the art, It should all will be appreciated that.

Motor power axis 3 can be by the synchronization of motor power axis synchronizer 33c (i.e. to the first tooth of motor power axis as a result, The synchronization of wheel 31 or motor power axis second gear 32) and selectively one with one of input shaft linkage or with output shaft A linkage.Specifically, motor power axis synchronizer 33c can synchronize motor power axis first gear 31, i.e. motor The engageable motor power axis first gears of power axis synchronizer 33c 31 and motor power axis 3, to motor power axis 3 can with it is defeated Enter one in axis (for example, second input shaft 12) to link.For another example, in some instances, motor power axis synchronizer 33c Motor power axis second gear 32 can be synchronized, i.e. engageable the second teeth of motor power axis of motor power axis synchronizer 33c Wheel 32 and motor power axis 3, to which motor power axis 3 can be carried out with one (for example, second output shaft 22) in output shaft Linkage.

The structure of reversing gear of power drive system 100 according to the ... of the embodiment of the present invention is retouched in detail below in conjunction with the accompanying drawings It states.

As above, one of motor power axis first gear 31 and input shaft links.And in some shown in the present invention In embodiment, motor power axis first gear 31 is and the driving gear direct-drive or indirect drive on one of input shaft , to realize the purpose with input shaft linkage.Such as in the example of Fig. 1-Figure 12, motor power axis first gear 31 with Corresponding driving gear such as two gear driving gear 2a passes through 73 indirect drive of intermediate idler, in other words, intermediate idler 73 It is engaged respectively with corresponding driving gear and motor power axis first gear 31.

Further, on motor power axis 3, reverse idler gear 72 engages 71 empty set of reverse gear with reverse gear 71, Reverse idler gear 72 is arranged to optionally link with intermediate idler 73.In conjunction with the embodiment of Fig. 1-Figure 12, centre of reversing gear 72 sky of gear is set on the second output shaft 22, with intermediate idler 73 can differential rotate and be engageable to when needed together Step rotation.

Further, intermediate idler 73 and reverse idler gear 72 be by the synchronous effect of reverse gear synchronizer 74c into Row linkage, that is to say, that reverse gear synchronizer 74c is arranged for synchronous reverse idler gear 72 and intermediate idler 73.

About the installation position of reverse gear synchronizer 74c, will be described here in conjunction with different embodiments.First, reference Shown in Fig. 1-Fig. 2, Fig. 5-Fig. 8, set 721 with teeth is set, tooth set 721 can be that sky is set on the on reverse idler gear 72 On two output shafts 22,73 empty set of intermediate idler is on tooth set 721.Reverse gear synchronizer 74c settings are on tooth set 721 and for connecing Close intermediate idler 73.

Secondly, set 721 with teeth, tooth set 721 is arranged on reverse idler gear 72 in (not shown) in further embodiments Can be that sky is set on the second output shaft 22,73 empty set of intermediate idler is on tooth set 721, reverse gear synchronizer 74c settings On intermediate idler 73 and for soldered tooth set 721 or for engaging reverse idler gear 72.

Again, as shown in Fig. 3-Fig. 4, Fig. 9-Figure 12, in still other embodiments, reverse idler gear 72 and intermediate idler 73 equal empty sets are on one of output shaft, such as reverse idler gear 72 and 73 equal empty set of intermediate idler are in the second output shaft 22 On, and reverse idler gear 72 and intermediate idler 73 are adjacent to each other, and reverse gear synchronizer 74c is arranged on intermediate idler 73 and uses In engagement reverse idler gear 72.Optionally, of course, reverse gear synchronizer 74c can also be arranged on reverse idler gear 72 and For engaging 73 (not shown) of intermediate idler.

For power drive system 100 according to the ... of the embodiment of the present invention, as a result of above-mentioned structure of reversing gear, therefore can Realize mechanical reverse mode, electronic reverse mode and mixed dynamic reverse mode.

Mechanical reverse mode is the car-backing function that vehicle is realized using the power of engine 4, is reversed gear in machinery in vehicle When pattern, engine 4 by one of the power output of generation to input shaft, i.e., links defeated as power source with intermediate idler 73 Enter axis (for example, second input shaft 12), and synchronous with reverse idler gear 72 to intermediate idler 73 by reverse gear synchronizer 74c And reverse gear 71 is outputted power to, reverse gear 71 can finally output power to wheel, realize reversing.In short, When vehicle is in mechanical reverse mode, reverse gear synchronizer 74c engagement intermediate idlers 73 and reverse idler gear 72.

Electronic reverse mode is the car-backing function that vehicle is realized using the first dynamotor 51, and electromotive inverted is in vehicle Gear pattern, the first dynamotor 51 is as power source and by reverse gear synchronizer 74c to intermediate idler 73 and center tooth of reversing gear Synchronization and motor power axis synchronizer 33c the synchronizing and output power to down to motor power axis first gear 31 of wheel 72 Gear 71 is kept off, reverse gear 71 can finally output power to wheel, realize reversing.

That is, the first dynamotor 51 is used as electric motor operation at this time, the power generated can pass sequentially through motor power Axis 3, motor power axis first gear 31, intermediate idler 73, reverse gear synchronizer 74c, reverses gear at motor power axis synchronizer 33c Between gear 72 be transferred to reverse gear 71.

In short, being in electronic reverse mode, reverse gear synchronizer 74c engagement intermediate idlers 73 and center tooth of reversing gear in vehicle Wheel 72, motor power axis synchronizer 33c engagement motor powers axis 3 and motor power axis first gear 31.

Mixed dynamic reverse mode is that engine 4 and the first dynamotor 51 is utilized to realize the car-backing function of vehicle simultaneously, is mixed Dynamic reverse mode is the combination of above-mentioned mechanical reverse mode and electronic reverse mode.

Specifically, when vehicle is in mixed dynamic reverse mode, engine 4 is defeated by the power of generation as dynamic origin Go out to one of input shaft, and reverse gear 71 is outputted power to by synchronizing for reverse gear synchronizer 74c.

At the same time, the first dynamotor 51 as another power source and by the synchronization of reverse gear synchronizer 74c and Motor power axis synchronizer 33c is synchronized to motor power axis first gear 31 and is outputted power to reverse gear 71.That is, coming It is finally all exported from the two-part power of engine 4 and the first dynamotor 51 from reverse gear 71.

Under the pattern, reverse gear synchronizer 74c engagement intermediate idlers 73 and reverse idler gear 72, motor power axis synchronizer 33c engages motor power axis 3 and motor power axis first gear 31.

The power drive system 100 can realize three kinds of reverse modes, i.e., mechanical reverse mode, the electronic mould that reverses gear as a result, Formula and mixed dynamic reverse mode, enrich operating mode of reversing gear, can flexibly be carried out in three kinds of reverse modes according to actual conditions Switching, meets driving demand.

For example, in the case of Vehicular battery carrying capacity abundance, electronic reverse mode may be used, so not in reversing Only will not discharge of noxious gases, and energy consumption can also be reduced, moved backward for position especially for new driver, it may be necessary to grasp Vehicle could repeatedly be poured into designated position by work, and engine 4 is due to will produce more pernicious gas in low-reverse, together When engine 4 be typically in non-economy rotary speed area in reversing, oil consumption is relatively high, uses electronic reverse mode can be at this time Improve this problem well, discharge can not only be reduced, while realizing that low-reverse energy consumption is relatively low as power using motor, There is certain improvement to the fuel economy of engine 4.

For another example, inadequate or lower in Vehicular battery carrying capacity, mechanical reverse mode may be used.For another example, In the case where needing quickly to move backward or need the operating modes such as high-power reversing, then mixed dynamic reverse mode may be used, increase the dynamic of vehicle Power facilitates reversing.

Certainly, the above-mentioned description as described in three kinds of reverse mode application environments is only illustrative, and is not to be construed as to this A kind of limitation of invention implies and must use above-mentioned corresponding reverse mode in the case where vehicle is in above-mentioned environment.For this field Those of ordinary skill for, it is clear that can as needed or actual conditions come falling needed for specific set under corresponding reversing environment Gear pattern.

In addition, it is necessary to explanation, power drive system 100 according to the ... of the embodiment of the present invention, electronic reverse mode with And mixed dynamic reverse mode also has another way of realization, this will be discussed in detail in conjunction with specific embodiments below.

Input shaft, output shaft and each shift gear are described in detail with reference to the embodiment of Fig. 1-Figure 12.

In some embodiments of the present invention, as shown in Fig. 1-Figure 12, input shaft can be two, i.e., input shaft includes first Input shaft 11 and the second input shaft 12, the second input shaft 12 can be hollow shafts, and the first input shaft 11 can be solid shafting, first The a part of of input shaft 11 can be embedded in the second hollow input shaft 12, and another part of the first input shaft 11 can be from second Axially outward in input shaft 12, the first input shaft 11 and the second input shaft 12 can be coaxially arranged.

Output shaft can be two, i.e. the first output shaft 21 and the second output shaft 22, the output of the first output shaft 21 and second Axis 22 is arranged in parallel with input shaft, and the first output shaft 21 and the second output shaft 22 can be solid shafting.

Power drive system 100 according to the ... of the embodiment of the present invention can have five forward ranges, specifically, the first input shaft Odd number gear driving gear can be arranged on 11, and arrangement even number gear driving gear can be set on the second input shaft 12, thus the The power that one input shaft 11 is responsible for odd number shift gear pair transmits, and the power that the second input shaft 12 is responsible for even number shift gear pair passes It passs.

More specifically, as shown in Fig. 1-Figure 12, a gear driving gear 1a, three gear masters can be disposed on the first input shaft 11 Moving gear 3a and five keeps off driving gear 5a, and the gear driving gears of two gear driving gear 2a and four can be disposed on the second input shaft 12 4a, each gear driving gear are rotated synchronously with corresponding input shaft.

Accordingly, a gear driven gear 1b, two gear driven gear 2b, three gear driven gears are provided on the first output shaft 21 3b and four keeps off driven gear 4b, is provided with five gear driven gear 5b on the second output shaft 22, each equal empty set of driven gear is right On the output shaft answered, i.e., each driven gear being capable of differential rotation relative to corresponding output shaft.

Wherein, a gear driven gear 1b engages to constitute first gear pair, two gear driven tooths with a gear driving gear 1a Wheel 2b engages to constitute second gear pair with two gear driving gear 2a, and three gear driven gear 3b are engaged with three gear driving gear 3a To constitute three gear gear pairs, four gear driven gear 4b engage to constitute four gear gear pairs, five gears with four gear driving gear 4a Driven gear 5b engages to constitute five gear gear pairs with five gear driving gear 5a.

Due to being empty set structure between driven gear and output shaft, it is therefore desirable to synchronizer be arranged to corresponding driven gear It is synchronized with output shaft, to realize the output of power.

In some embodiments, in conjunction with shown in Fig. 1-Figure 12, power drive system 100 includes one or three gear synchronizer 13c, two Four gear synchronizer 24c and five gear synchronizer 5c.

As shown in Figure 1, one or three gear synchronizer 13c are arranged on the first output shaft 21 and positioned at a gear driven gear 1b and three It keeps off between driven gear 3b, one or three gear synchronizer 13c can be by a gear driven gear 1b or three gear driven gear 3b and the first input Axis 11 is engaged, to enable the driven gear and output shaft to rotate synchronously.

For example, in conjunction with shown in Fig. 1, the clutch collars of one or three gear synchronizer 13c be moved to the left can by three gear driven gear 3b with First input shaft 11 engages, to which three gear driven gear 3b can be rotated synchronously with the first output shaft 21.One or three gear synchronizer 13c Clutch collar move right can by one gear driven gear 1b be engaged with the first input shaft 11, to one keep off driven gear 1b and first Output shaft 21 can rotate synchronously.

As shown in Figure 1, similarly, two or four gear synchronizer 24c are arranged on the first output shaft 21 and positioned at two gear driven tooths Between taking turns the gears of 2b and four driven gear 4b, two or four gear synchronizer 24c can by two gear driven gear 2b or four gear driven gear 4b with First input shaft 11 is engaged, to enable the driven gear and output shaft to rotate synchronously.

For example, in conjunction with shown in Fig. 1, the clutch collars of two or four gear synchronizer 24c be moved to the left can by two gear driven gear 2b with First output shaft 21 engages, to which two gear driven gear 2b and the first output shaft 21 are rotated synchronously.Two or four gear synchronizer 24c's connects Trap, which moves right, to be combined four gear driven gear 4b with the first output shaft 21, to four gear driven gear 4b and the first output Axis 21 rotates synchronously.

As shown in Figure 1, similarly, five gear synchronizer 5c are arranged on the second output shaft 22, five gear synchronizer 5c are located at five The side of driven gear 5b, such as left side are kept off, five gear synchronizer 5c are used to meet five gear driven gear 5b with the second output shaft 22 It closes, such as the clutch collar of five gear synchronizer 5c moves right, then five gear driven gear 5b can be engaged with the second output shaft 22, from And five gear driven gear 5b and the second output shaft 22 rotate synchronously.

The embodiment of-Figure 12 referring to Fig.1, since reverse idler gear 72, intermediate idler 73 are respectively positioned on the second output shaft 22 On, and five gear driven gear 5b also are located on the second output shaft 22, and five gear synchronizer 5c are served only for five gear driven tooth of engagement Wheel 5b, reverse gear synchronizer 74c are served only for engagement intermediate idler 73 and reverse idler gear 72.Therefore implementation as one preferred Mode, the gear synchronizers of reverse gear synchronizer 74c and five 5c share a shifting fork mechanism, thereby reduce a set of shifting fork mechanism so that The structure of power drive system 100 is compacter, smaller.

It is understood that in the clutch collar by five gear synchronizer 5c and reverse gear synchronizer 74c of shifting fork mechanism driving When action, in conjunction with shown in Fig. 1, when the clutch collar of the five gear synchronizer 5c of shift fork driving of the shifting fork mechanism moves right, five gears Synchronizer 5c can engage five gear driven gear 5b, and the clutch collar of reverse gear synchronizer 74c does not engage reverse idler gear 72 at this time With intermediate idler 73.The shifting fork mechanism shift fork driving reverse gear synchronizer 74c clutch collar engagement reverse idler gear 72 with When intermediate idler 73, the clutch collar of five gear synchronizer 5c does not engage five gear driven gear 5b.Certainly, it is driven herein in relation to shifting fork mechanism The action process of the clutch collar of the gear synchronizers of dynamic reverse gear synchronizer 74c and five 5c is only illustrative, and is not to be construed as pair A kind of limitation of the present invention.

In some embodiments of the invention, the first input shaft 11 of engine 4 and speed changer and the second input shaft 12 it Between can be by double clutch 2d into action edge transmit or detach.

With reference to shown in Fig. 2-Figure 12, double clutch 2d has input terminal 23d, the first output end 21d and second output terminal 22d, engine 4 are connected with the input terminal 23d of double clutch 2d, specifically, engine 4 can by flywheel, damper or The diversified forms such as reverse plate are connected with the input terminal 23d of double clutch 2d.

The first output end 21d of double clutch 2d is connected with the first input shaft 11, to the first output end 21d and first 11 synchronous rotary of input shaft.The second output terminal 22d of double clutch 2d is connected with the second input shaft 12, to the second output terminal 12 synchronous rotary of 22d and the second input shaft.

Wherein, the input terminal 23d of double clutch 2d can be the shell of double clutch 2d, the first output end 21d and Two output end 22d can be two driven discs.Usually, shell and two driven discs can be disconnected all, i.e. input terminal 23d It is disconnected with the first output end 21d and second output terminal 22d, when needing to engage one of driven disc, shell can be controlled Engage to synchronous rotary with corresponding driven disc, i.e. input terminal 23d and the first output end 21d and second output terminal 22d it One engagement, to which the input terminal 23d power transmitted can be defeated by one in the first output end 21d and second output terminal 22d Go out.

Particularly, shell can also be engaged with two driven discs simultaneously, i.e. input terminal 23d can also be exported with first simultaneously 21d and second output terminal 22d engagements are held, to which the input terminal 23d power transmitted can be simultaneously by the first output end 21d and second Output end 22d outputs.

It should be appreciated that the specific engagement state of double clutch 2d is controlled the influence of strategy, for the technology of this field For personnel, can according to actually required transmission mode adaptive settings control strategy, so as to input terminal 23d with It is switched in the various modes that two output ends are all off and at least one input terminal 23d and two output ends engage.

As above, linked with one in output shaft about motor power axis second gear 32.Specifically, In some embodiments, transmission gear 6, transmission gear 6 and the second tooth of motor power axis are fixedly installed on the second output shaft 22 Wheel 32 directly engages.It is previously noted that power drive system 100 according to the ... of the embodiment of the present invention also has another electronic mould that reverses gear Formula and mixed dynamic reverse mode, due to motor power axis second gear 32 and the transmission gear 6 being fixed on the second output shaft 22 Engagement, therefore the power from the first dynamotor 51 can be exported by the paths, realize gear reversing function.

Specifically, it is in another electronic reverse mode in vehicle, the first dynamotor 51 is as power source and passes through Power is exported the synchronization of motor power axis second gear 32 by motor power axis synchronizer 33c from the second output shaft 22, is moved Power is finally exported by the second output shaft 22 to wheel, to realize reversing.

That is, the first dynamotor 51 is used as electric motor operation at this time, the power generated can pass sequentially through motor power Final output after axis 3, motor power axis synchronizer 33c, motor power axis second gear 32, transmission gear 6, the second output shaft 22 To wheel.

In short, being in above-mentioned electronic reverse mode in vehicle, motor power axis synchronizer 33c engages motor power axis 3 and motor power axis second gear 32, and reverse gear synchronizer 74c does not engage intermediate idler 73 and reverse idler gear 72, and The power that reverses gear also exports not from reverse gear 71.

When vehicle is in another mixed dynamic reverse mode, engine 4 is as dynamic origin by the power output of generation Reverse gear 71 is outputted power to one of input shaft, and by synchronizing for reverse gear synchronizer 74c.

At the same time, the first dynamotor 51 is used as power source and by motor power axis synchronizer 33c to motor The synchronization of power axis second gear 32 and power is exported from the second output shaft 22, power is finally exported by the second output shaft 22 to vehicle Wheel, to realize reversing.

Certainly, since reverse power comes from engine 4 under the pattern and the first dynamotor 51, power are exporting It is coupled before to wheel, such as two parts power can be at the main reducing gear driven gear 74 of vehicle into action Couple of force closes, and the power final output after coupling is to wheel, to realize mixed dynamic reversing.

Under the pattern, reverse gear synchronizer 74c engagement intermediate idlers 73 and reverse idler gear 72, motor power axis synchronizer 33c engages motor power axis 3 and motor power axis second gear 32, and a power part of reversing gear exports from reverse gear 71, is another Part is exported from the second output shaft 22.

The electronic reverse mode of former is compared, its power resources of the electronic reverse mode of latter are constant, that is, remain as first Dynamotor 51, different places are, in the electronic reverse mode of former, reversing gear for the first dynamotor 51 output is dynamic Power is exported to reverse gear 71, is outputed power by reverse gear 71 and is reversed gear to wheel realization, and latter electromotive inverted is kept off In pattern, the power that reverses gear of the first dynamotor 51 is exported from the second output shaft 22, is given by the output of the second output shaft 22 Wheel realization is reversed gear, i.e., the power that reverses gear of the pattern is without reverse gear 71.

Similarly, for the mixed dynamic reverse mode of former and the mixed dynamic reverse mode of latter, hair is combined Reverse gear path and the path of reversing gear of the first dynamotor 51 of motivation 4, difference is similar to above-mentioned electronic reverse mode, here It repeats no more.

The reverse mode for further enriching power drive system 100 as a result, is more selected to driver, is fully carried High driving pleasure preferably meets the requirement of reversing gear of different road conditions.

With reference to Fig. 2-Figure 12 to three power output shafts (i.e. the first output shaft 21, the second output shaft 22 and motor Power axis 3) relationship between differential for vehicles 75 is described in detail.

The differential mechanism 75 of vehicle can be arranged between a pair of of front-wheel or between a pair of rear wheels, in some examples of the present invention In, differential mechanism 75 is located between a pair of of front-wheel.The function of differential mechanism 75 is when turn inside diameter travels or on uneven road surface When driving, driving wheels are made to be rolled with different angular speed, to ensure to make PURE ROLLING between two side drive wheels and ground. Main reducing gear driven gear 74 is provided on differential mechanism 75, such as main reducing gear driven gear 74 can be arranged in differential mechanism 75 On shell.Main reducing gear driven gear 74 can be bevel gear, but not limited to this.

Further, the first output shaft output gear 211, the first output shaft output gear are fixedly installed on the first output shaft 21 Wheel 211 is rotated synchronously with the first output shaft 21, and the first output shaft output gear 211 engages biography with main reducing gear driven gear 74 It is dynamic, to which the power from the first output shaft 21 can be transferred to main reducing gear driven tooth from the first output shaft output gear 211 Wheel 74 and differential mechanism 75.

Similarly, the second output shaft output gear 221, the second output shaft output gear are fixedly installed on the second output shaft 22 Wheel 221 is rotated synchronously with the second output shaft 22, and the second output shaft output gear 221 engages biography with main reducing gear driven gear 74 It is dynamic, to which the power from the second output shaft 22 can be transferred to main reducing gear driven tooth from the second output shaft output gear 221 Wheel 74 and differential mechanism 75.

As above, reverse gear 71 is the power output end as most of reverse mode, therefore the reverse gear 71 is same Sample is engaged with main reducing gear driven gear 74.And since reverse gear 71 is also engaged with reverse idler gear 72 simultaneously, it is simultaneously Acquisition suitable speed ratio of reversing gear, as a kind of optional embodiment, reverse gear 71 is configured to duplicate gear, the duplex-gear A part for the reverse gear 71 of structure is engaged with reverse idler gear 72, another portion of the reverse gear 71 of the duplex toothing Divide and is engaged with main reducing gear driven gear 74.In other words, one of reverse gear 71 gear part 712 is and center tooth of reversing gear Wheel 72 engages and another gear part 711 is engaged with main reducing gear driven gear 74.Thus can not only obtain it is good fall Keep off speed ratio, while each gear will not interfere when the power that reverses gear transmits, guarantee reverse gear power transmit it is reliable.

Some typical conditions of power drive system 100 according to the ... of the embodiment of the present invention include power generation in parking, double clutch 2d simultaneously engage in the case of while driving while charge and the first dynamotor 51 2 gear speed governing.

Power generation in parking this typical condition is described first, when vehicle is in parked state, engine 4 is arranged to generate Power output to input shaft (an input shaft to link with motor power axis first gear 31, such as second is defeated Enter axis 12), and is outputted power to synchronizing for motor power axis first gear 31 by motor power axis synchronizer 33c One dynamotor 51, to which the first dynamotor 51 of driving generates electricity.

Specifically, in conjunction with the exemplary specific embodiments of Fig. 2-Figure 12, engine 4 can lead to power after vehicle parking It crosses double clutch 2d and exports to the second input shaft 12, the motor power axis on second input shaft 12 and motor power axis 3 the One gear 31 is linkage, control motor power axis synchronizer 33c engagement motor powers axis 3 and motor power axis first gear 31, then the power that engine 4 exports will be from the second input shaft 12, intermediate idler 73, motor power axis first gear 31 and motor Line shaft synchronizer 33c is exported to motor power axis 3, this final partial power is exported from motor power axis 3 to the first electronic hair Motor 51, to which the first dynamotor 51 of driving generates electricity as generator.

Hereby it is achieved that power generation in parking function, enriches charge mode, and vehicle is in static shape under power generation in parking operating mode State, the power of engine 4 can be completely used for charging, and improve charge efficiency, realize quick function of supplying power.

Secondly charge in driving operating mode, under the operating mode, engine 4 in the case of description double clutch 2d is simultaneously engaged with A portion can be moved by conjugation while input terminal 23d is with the first output end 21d and second output terminal 22d Power exports the power to wheel to be travelled as vehicle by a wherein output shaft, and another part power is passed through motor The output of power axis 3 is to the first dynamotor 51, to which the first dynamotor 51 of driving generates electricity.

Specifically, in conjunction with the exemplary specific embodiments of Fig. 2-Figure 12, under the operating mode, a part of power of engine 4 can It is exported from the first output shaft 21 or the second output shaft 22, such as defeated by first gear pair, three gear gear pairs or five gear gear pairs Go out, another part power of engine 4 can be from motor power axis first gear 31, motor power axis synchronizer 33c, motor power This path of axis 3 is exported to the first dynamotor 51, to driving the first dynamotor 51 power generation.

In the power drive system due to tradition with double clutch, only there are one clutches in synchronization by double clutch 2d Device is in running order, and power drive system according to the ... of the embodiment of the present invention 100 is realized to the breakthrough of double clutch 2d Using that is, (input terminal 23d simultaneously engages with the first output end 21d under two clutch whole engagement states of double clutch 2d With second output terminal 22d) so that a part of power of engine 4 is travelled by an output shaft output driving vehicle, another part Power is then exported to the first dynamotor 51, and driving motor power generation enriches transmission mode, takes into account vehicle traveling and charging It is required that.

The two gear speed-regulating functions for describing the first dynamotor 51 again, specifically, in conjunction with shown in Fig. 2-Figure 12, due to electricity Mechanomotive force axis synchronizer 33c is arranged between motor power axis first gear 31 and motor power axis second gear 32, the first electricity Dynamic generator 51, can be optionally through motor power axis first gear 31 or motor when as motor output power Power axis second gear 32 exports, and in the transition period, needs the synchronism switching of motor power axis synchronizer 33c.

For example, being from motor power axis second gear 32 from 31 output motor powershift of motor power axis first gear During exporting power, the clutch collar needs of motor power axis synchronizer 33c are engaged from motor power axis first gear 31 Position be switched to the position engaged with motor power axis second gear 32, due to motor power axis first gear 31 arrive main deceleration Between device driven gear 74 between the speed ratio of transmission path and motor power axis second gear 32 and main reducing gear driven gear 74 The speed ratio of drive path is different, therefore during handoff synchronizer synchronous motor line shaft second gear 32, motor Line shaft second gear 32 is differential rotation with motor power axis 3, can increase the synchronization time of synchronizer in this way, while also increasing Add the abrasion of synchronizer, reduced transmission efficiency, is susceptible to power interruption or pause and transition in rhythm or melody sense caused by can not synchronizing for a long time.

At this point it is possible to control rotating speed of first dynamotor 51 based on motor power axis second gear 32 and regulation motor The rotating speed of line shaft 3 promotes as target or reduces turning for motor power axis 3 using the rotating speed of motor power axis second gear 32 Speed so that the rotating speed of motor power axis 3 can match (i.e. substantially phase within the shortest time with motor power axis second gear 32 Deng or it is close), so that motor power axis synchronizer 33c can be quickly engaged motor power axis second gear 32 and motor Power axis 3, reduce motor power axis synchronizer 33c synchronize the required time, greatly improve the transmission efficiency of vehicle, synchronization can Control property and synchronous real-time.In addition, the service life of motor power axis synchronizer 33c is further extended, to reduce vehicle The cost of maintenance.

Similarly, it is being from motor power axis first gear from 32 output motor powershift of motor power axis second gear During 31 output power, the first dynamotor 51 can be based on the rotational speed regulation motor of motor power axis first gear 31 The rotating speed of line shaft 3 promotes or reduces the rotating speed of motor power axis 3 using 31 rotating speed of motor power axis first gear as target, The rotating speed of motor power axis 3 is matched within the shortest time with motor power axis first gear 31, to improve electricity The joint efficiency of mechanomotive force axis synchronizer 33c.

To sum up, in short, motor power axis synchronizer 33c with motor power axis first gear 31 and motor power axis During one in two gears 32 engagement is switched to and is engaged with another, the first dynamotor 51 is arranged to motor power axis Another rotating speed in first gear 31 and motor power axis second gear 32 is that target carries out speed governing to motor power axis 3.

For this function of 51 speed governing of the first dynamotor, typical condition is under electric-only mode, i.e., first is electronic Generator 51 drives vehicle when driving.Certainly, the present invention is not limited thereto, for for example mixed dynamic model formula of other patterns, needs electricity When mechanomotive force axis synchronizer 33c comes switch motor line shaft first gear 31 and motor power axis second gear 32, can it adopt Speed governing is carried out to motor power axis 3 with the first dynamotor 51.

Power drive system 100 according to the ... of the embodiment of the present invention as a result, motor power axis synchronizer 33c is in motor power When switching bonding station between axis first gear 31 and motor power axis second gear 32, by the first dynamotor 51 to electricity The speed governing of mechanomotive force axis 3 so that the rotating speed of motor power axis 3 can be with gear to be joined (such as the first tooth of motor power axis Wheel 31 or motor power axis second gear 32) rotational speed matches, i.e. the first dynamotor 51 can be with gear to be joined Rotating speed is that the rotating speed of motor power axis 3 is adjusted in target, makes the rotating speed of the rotating speed and gear to be joined of motor power axis 3 It matches in a short time, facilitates the engagement of motor power axis synchronizer 33c, to substantially increase transmission efficiency, reduce intermediate The transmission of energy is lost.

Power drive system 100 according to some embodiments of the present invention, can also add the second dynamotor 52 with Increase the dynamic property of power drive system 100, enriches transmission mode.

For example, in wherein some embodiments, the second dynamotor 52 can be driven with main reducing gear driven gear 74, example Gear can be set on such as motor shaft of the second dynamotor 52, which directly engages biography with main reducing gear driven gear 74 It is dynamic.For another example, in further embodiments, the second dynamotor 52 can also be arranged to be connected with the first input shaft 11 or with One output shaft 21 is connected.For another example, in still other embodiments, the second dynamotor 52 is two and is separately positioned on differential mechanism 75 both sides, such as this two the second dynamotor 52 can become one with differential mechanism 75.Alternatively, engine above-mentioned 4 and first dynamotor 51 for driving front-wheel, the second dynamotor 52 can also be wheel motor and be used for trailing wheel, or It is two that the second dynamotor of person 52 can drive two trailing wheels or the second dynamotor 52 by a deceleration mechanism And a trailing wheel is driven by a deceleration mechanism respectively.

Electronic differential lock construction according to the ... of the embodiment of the present invention is described in detail below with reference to Fig. 5-Figure 12, which can be real Occur a pair of driving wheels that locking skids when wheel-slip phenomenon now, so as to improve slipping phenomenon, improves trafficability energy.

As shown in Fig. 5-Figure 12, which includes third dynamotor 201, the 4th dynamotor 301 and anti-skidding synchronizer 503.Wherein, engine 4 and/or the first dynamotor 51 are for driving pair of wheels 76, third Dynamotor 201 and the 4th dynamotor 301 are arranged for second pair of wheel 77 of driving, wherein pair of wheels 76 is A pair in front wheels and rear wheels, second pair of wheel 77 are the another pair in front wheels and rear wheels.In the example of Fig. 5-Figure 12, hair Motivation 4 and the first dynamotor 51 drive front-wheel, and third dynamotor 201 and the 4th dynamotor 301 are respectively used to Drive two trailing wheels.

In conjunction with shown in Fig. 5-Figure 12, third dynamotor 201 is arranged to link with one in second pair of wheel 77, changes Yan Zhi, third dynamotor 201 can output power to a wheel to drive a vehicle wheel rotation or third electricity Dynamic generator 201 can also absorb energy from a wheel, to generate electricity.

Similarly, the 4th dynamotor 301 is arranged to and another linkage in second pair of wheel 77, in other words, the Four dynamotor 301 can output power to another wheel to drive another vehicle wheel rotation or the 4th electronic Generator 301 can also absorb energy from another wheel, to generate electricity.In the example of Fig. 5-Figure 12, third electricity Dynamic generator 201 links with left rear wheel, and the 4th dynamotor 301 links with off hind wheel, but the present invention is not limited thereto.

Anti-skidding synchronizer 503 is arranged to optionally synchronize second pair of wheel 77, so that second pair of wheel 77 is same In other words step rotation synchronizes second pair of wheel 77 (i.e. anti-skidding synchronizer 503 is in engagement state) in anti-skidding synchronizer 503, the It is formed between two pairs of wheels 77 and connects firmly form, it, will not differential rotation to synchronous rotary.

And when anti-skidding synchronizer 503 is off, third dynamotor 201 and the 4th dynamotor 301 Corresponding wheel can be respectively driven with different rotational speeds, the differential rotating function of two wheels is realized, certainly, anti-skidding When synchronizer 503 is off, third dynamotor 201 and the 4th dynamotor 301 can also drive this second To wheel 77 with identical rotational speed.

As a result, second pair of vehicle is individually driven by the way that third dynamotor 201 and the 4th dynamotor 301 is arranged Wheel 77, it is anti-skidding same so as to realize the differential rotation of second pair of wheel 77, and when occurring in which a wheel-slip phenomenon Step device 503 can synchronize second pair of wheel 77 so that second pair of 77 synchronous rotary of wheel, realizes that two motors (can certainly be One) second pair of 77 operation of wheel is driven jointly after the power coupling of output, improve wheel-slip phenomenon, improves vehicle Handling capacity.

In short, power drive system 100 according to the ... of the embodiment of the present invention, due to being provided with the edge of anti-skidding synchronizer 503 Therefore therefore mechanical no-spin lockup structure possessed by corresponding vehicle bridge (for example, rear axle) can be cancelled, but functionally lead to The function of tradition machinery formula no-spin lockup but may be implemented in the synchronous effect for crossing anti-skidding synchronizer 503, so that according to this The structure of the power drive system 100 of inventive embodiments is compacter, cost is lower.

Below to kind of drive combination Fig. 5-Figure 12 of third dynamotor 201, the 4th dynamotor 301 and wheel Example be described in detail.

In some embodiments, as shown in Fig. 5-Fig. 7, Fig. 9-Figure 11, third dynamotor 201 and corresponding wheel it Between by gear structure indirect drive, similarly, the tooth can also be passed through between the 4th dynamotor 301 and corresponding wheel Wheel construction indirect drive.

Transmission is carried out by gear structure to be easily achieved and simple in structure, and can obtain required transmission ratio, is driven Reliably.Also, third dynamotor 201 and the 4th dynamotor 301 pass through identical gear structure with corresponding wheel Power transmission is carried out, the versatility of gear structure is also improved, while it is higher symmetrical also to have power drive system 100 Property, it avoids center of gravity from excessively deviateing to side, center of gravity is enable preferably to be in the centre position of two wheels or close to intermediate The stability and reliability of power drive system 100 are improved in position.

Further, as optional embodiment, as shown in Fig. 5-Fig. 7, Fig. 9-Figure 11, third dynamotor 201 with Used gear structure may include first gear 401, second gear 402, third gear 403 and between corresponding wheel Four gears of gear 404 4.

First gear 401 can be arranged on 201 corresponding first power output shaft 202 of third dynamotor, and first Gear 401 can be with 202 synchronous rotary of the first power output shaft.Wherein, the first power output shaft 202, which can be used for exporting, comes from third The power or the first power output shaft 202 that dynamotor 201 generates can be electronic to third by the anti-power output dragged of wheel The motor shaft of generator 201, the first power output shaft 202 and third dynamotor 201 can be same structure.Certainly optional The motor shaft on ground, the first power output shaft 202 and third dynamotor 201 can also be two individual components, and at this time the One power output shaft 202 is connected with the motor of third dynamotor 201.

Wheel corresponding with third dynamotor 201 is connected with the first semiaxis 204, and second gear 402 is arranged first It can be engaged on semiaxis 204 and with first gear 401 with 204 synchronous rotary of the first semiaxis, third gear 403 and the 4th gear 404 It is engaged with second gear 402, and third gear 403 and the 4th gear 404 are coaxially arranged and can synchronous rotary.

Similarly, it as shown in Fig. 5-Fig. 7, Fig. 9-Figure 11, is used between the 4th dynamotor 301 and corresponding wheel Gear structure may include the 5th gear 405, the 6th gear 406, the 7th gear 407 and eighth gear 408 totally four gears.The Five gears 405 can be arranged on 301 corresponding second power output shaft 302 of the 4th dynamotor and can be defeated with the second power 302 synchronous rotary of shaft.Wherein, the second power output shaft 302 can be used for exporting moves from what the 4th dynamotor 301 generated The anti-power output dragged of wheel can be given the 4th dynamotor 301, the second power defeated by power or the second power output shaft 302 The motor shaft of shaft 302 and the 4th dynamotor 301 can be same structure.Alternatively of course, the second power output shaft 302 Motor shaft with the 4th dynamotor 301 can also be two individual components, at this time the second power output shaft 302 and the 4th The motor shaft of dynamotor 301 is connected.

Wheel corresponding with the 4th dynamotor 301 is connected with the second semiaxis 304, and the 6th gear 406 is arranged second And can be with 304 synchronous rotary of the second semiaxis on semiaxis 304, the 7th gear 407 is engaged with the 5th gear 405 and eighth gear 408 It is engaged with the 6th gear 406, the 7th gear 407 and 408 synchronization arrangement of eighth gear and can synchronous rotary.

Optionally, first gear 401 and the 5th gear 405, second gear 402 and the 6th gear 406, third gear 403 Size and the number of teeth with the 7th gear 407 and the 4th gear 404 and eighth gear 408 can be identical respectively, to improve The versatility of gear structure.

As optional embodiment, third gear 403 and the 4th gear 404 can be fixed on first gear axis 501, 7th gear 407 can be fixed on eighth gear 408 on second gear axis 502.Certainly, third gear 403 and the 4th gear 404 can also be configured to stepped gear or connection gear structure.Similarly, the 7th gear 407 can also with eighth gear 408 It is configured to stepped gear or connection gear structure.

In some instances, as shown in figs. 5 and 9, anti-skidding synchronizer 503 can be arranged on the first semiaxis 204 and set It is set to and is selectively engageable the 6th gear 406, for example, the 6th gear 406 can be arranged towards the side of anti-skidding synchronizer 503 Gear ring is engaged, the clutch collar of anti-skidding synchronizer 503 is adapted to the engagement gear ring.After anti-skidding synchronizer 503 engages as a result, this Two pairs of wheels 77 are by synchronous rotary.

In other examples, as shown in figs. 6 and 10, anti-skidding synchronizer 503 is arranged on the first power output shaft 202 And be arranged to be selectively engageable the 5th gear 405, for example, the 5th gear 405 can be with towards the side of anti-skidding synchronizer 503 Setting engagement gear ring, the clutch collar of anti-skidding synchronizer 503 are adapted to the engagement gear ring.After anti-skidding synchronizer 503 engages as a result, Second pair of wheel 77 is by synchronous rotary.

In other example, as seen in figs. 7 and 11, anti-skidding synchronizer 503 is arranged on first gear axis 501 and sets It is set to and is selectively engageable the 7th gear 407, for example, the 7th gear 407 can be arranged towards the side of anti-skidding synchronizer 503 Gear ring is engaged, the clutch collar of anti-skidding synchronizer 503 is adapted to the engagement gear ring.After anti-skidding synchronizer 503 engages as a result, this Two pairs of wheels 77 are by synchronous rotary.

Optionally, in the example of Fig. 8 and Figure 12, third dynamotor 201 and corresponding wheel be coaxial to be connected and the Four dynamotor 301 are coaxially connected with corresponding wheel.Further, third dynamotor 201 and the 4th dynamotor 301 may each be wheel motor, and thus transmission chain is short, and transmission energy loss is few, transmission efficiency.

Further, as shown in figs. 8 and 12, anti-skidding synchronizer 503 can be arranged corresponding in third dynamotor 201 On first power output shaft 202 and it is arranged to be selectively engageable 301 corresponding second power output of the 4th dynamotor Axis 302.After anti-skidding synchronizer 503 engages as a result, second pair of wheel 77 is by synchronous rotary.

The construction of power drive system 100 and typical work in each specific embodiment is briefly described referring to Fig. 2-Figure 12 Condition.

Embodiment one：

As shown in Fig. 2, engine 4 is connected with the input terminal 23d of double clutch 2d, the first output end of double clutch 2d 21d is connected with the first input shaft 11, and the second output terminal 22d of double clutch 2d is connected with the second input shaft 12, double clutch 2d The the first output end 21d and second output terminal 22d of input terminal 23d and double clutch 2d can be off simultaneously, or The input terminal 23d of person's double clutch 2d can be engaged with one of the first output end 21d of double clutch 2d and second output terminal 22d, Or the input terminal 23d of double clutch 2d can simultaneously connect with the first output end 21d and second output terminal 22d of double clutch 2d It closes.

Second input shaft 12 is hollow shaft structure, and the first input shaft 11 is solid shafting, and the second input shaft 12 is coaxially arranged On the first input shaft 11, and a part for the first input shaft 11 is axially outward out of second input shaft 12.

The gear driving gear 1a that can be rotated synchronously with the first input shaft 11, three gears are provided on first input shaft 11 actively The gear driving gears of gear 3a and five 5a, a gear driving gear 1a are located at the right side of five gear driving gear 5a, three gear driving gear 3a Positioned at the left side of five gear driving gear 5a.

Being provided on second input shaft 12 can lead with the gears of the two gear driving gear 2a that the second input shaft 12 rotates synchronously and four Moving gear 4a, two gear driving gear 2a are located at left side and four gear driving gear 4a are located at right side.

First output shaft 21 and two input shafts are arranged in parallel, be set on the first output shaft 21 a gear driven gear 1b, Two gear driven gear 2b, three gear driven gear 3b and four gear driven gear 4b, an a gear driven gear 1b and gear driving gear 1a It directly engages, two gear driven gear 2b are directly engaged with two gear driving gear 2a, three gear driven gear 3b and three gear driving gears 3a is directly engaged, and four gear driven gear 4b are directly engaged with four gear driving gear 4a.

One or three gear synchronizer 13c and two or four gear synchronizer 24c, one or three gear synchronizers are additionally provided on first output shaft 21 13c is located between a gear driven gear 1b and three gear driven gear 3b, and optionally by a gear driven gear 1b or three gears Driven gear 3b is synchronous with the first output shaft 21, and two or four gear synchronizer 24c are located at two gear driven gear 2b and four gear driven gears Between 4b, and it is optionally that two gear driven gear 2b or four gear driven gear 4b are synchronous with the first output shaft 21.

Second output shaft 22 is equally arranged in parallel with two input shafts, and five gear driven gears are set on the second output shaft 22 5b, five gear driven gear 5b are directly engaged with five gear driving gear 5a, and five gear synchronizer 5c are additionally provided on the second output shaft 22, Five gear synchronizer 5c are used for five gear driven gear 5b are synchronous with the second output shaft 22.

Motor power axis 3 is arranged in parallel with two input shafts, two output shafts, and motor is set on motor power axis 3 Power axis first gear 31 and motor power axis second gear 32, motor power axis first gear 31 are located at left side, motor power axis Second gear 32 is located at right side.Motor power axis synchronizer 33c, motor power axis synchronizer are additionally provided on motor power axis 3 33c is located between motor power axis first gear 31 and motor power axis second gear 32, and motor power axis synchronizer 33c is used for Selectively by motor power axis first gear 31 it is synchronous with motor power axis 3 or by motor power axis second gear 32 with electricity Mechanomotive force axis 3 synchronizes.

In addition, as shown in Fig. 2, being additionally provided with the driving cog that can be rotated synchronously with the second output shaft 22 on the second output shaft 22 Wheel 6 and empty set are provided with reverse idler gear 72, and transmission gear 6 is directly engaged with motor power axis second gear 32, reversed gear The side of intermediate gear 72 forms set 721 with teeth, and tooth covers 721 same empty sets on the second output shaft 22,73 empty set of intermediate idler On tooth set 721, intermediate idler 73 is engaged with two gear driving gear 2a and motor power axis first gear 31 respectively, is reversed gear same Step device 74c is arranged on tooth set 721 and can be used for engaging intermediate idler 73.

Reverse gear 71 is configured to duplicate gear, and a gear part 712 and the reverse idler gear 72 of reverse gear 71 are nibbled It closes, another gear part 711 of reverse gear 71 is directly engaged with main reducing gear driven gear 74, while on the first output shaft 21 It is fixedly installed the first output shaft output gear 211 engaged with main reducing gear driven gear 74, fixed on the second output shaft 22 It is provided with the second output shaft output gear 221 engaged with main reducing gear driven gear 74.

First dynamotor 51 with motor power axis 3 is coaxial is connected.

The typical condition of power drive system 100 shown in Fig. 2 is described in detail below.

Parking charging operating mode：

The input terminal 23d engagement second output terminal 22d of double clutch 2d are simultaneously disconnected, motor power with the first output end 21d Axis synchronizer 33c engagement motor power axis first gear 31, to which the power that engine 4 exports passes through double clutch 2d's successively Input terminal 23d, second output terminal 22d, the second input shaft 12, two gear driving gear 2a, intermediate idler 73, motor power axis first The first dynamotor 51 is passed to after gear 31, motor power axis synchronizer 33c, motor power axis 3, to the first electricity of driving Dynamic generator 51 generates electricity.

It can realize that constant-speed ratio charges under the operating mode, energy transfer efficiency higher, and about the selected of speed ratio, with engine The permitted maximum speed of additional components such as the type selecting of rotating speed, the first dynamotor 51 when 4 parking and periphery bearing There is direct relation, for the ordinary skill in the art, the factors such as above that can integrate account for, flexible design phase The transmission speed ratio answered so that power drive system 100 can maximumlly utilize the energy of engine 4 in power generation in parking, reach To quick charge purpose.

Pure electric vehicle operating mode：

Path one：Motor power axis synchronizer 33c engagement motor power axis first gear 31, the first dynamotor 51 is defeated The power gone out keeps off synchronizer 24c by motor power axis first gear 31, the output of intermediate idler 73 to the second input shaft 12,24 Two gear driven gear 2b of engagement or four gear driven gear 4b, can pass through second gear pair to the power of the first dynamotor 51 Or four gear gear pair output.

Path two：Motor power axis synchronizer 33c engagement motor power axis second gear 32, the first dynamotor 51 is defeated The power gone out is exported by motor power axis second gear 32, transmission gear 6 from the second output shaft 22.

As a result, in the case where power drive system 100 is in pure electric vehicle operating mode, the first dynamotor 51 can pass through above-mentioned two There is item the path of different speed ratios to output power to wheel, to drive vehicle to travel.

Preferably, when being switched over to above-mentioned path, the first dynamotor 51 can adjust motor power axis 3 Speed.

It describes to be switched to path two from path one first：At this time motor power axis synchronizer 33c from motor power axis The position of one gear 31 engagement is moved to the position engaged with motor power axis second gear 32, during this period, the first electronic hair Motor 51 can be adjusted the rotating speed of motor power axis 3, make electricity using the rotating speed of motor power axis second gear 32 as target The rotating speed of mechanomotive force axis 3 is matched with motor power axis second gear 32, to which motor power axis synchronizer 33c can be quickly engaged Motor power axis second gear 32 improves synchronous efficiency.

Secondly description is switched to path one from path two：At this time motor power axis synchronizer 33c from motor power axis The position of two gears 32 engagement is moved to the position engaged with motor power axis first gear 31, during this period, the first electronic hair Motor 51 can be adjusted the rotating speed of motor power axis 3, make electricity using the rotating speed of motor power axis first gear 31 as target The rotating speed of mechanomotive force axis 3 is matched with motor power axis first gear 31, to which motor power axis synchronizer 33c can be quickly engaged Motor power axis first gear 31 improves synchronous efficiency.

However, it is to be understood that above-mentioned speed-regulating mode is applicable not only to pure electric vehicle operating mode, other are can be applicable to Operating mode, such as mixed condition etc. of starting building, as long as being related to the changed operating mode (example of engagement state of motor power axis synchronizer 33c Such as from engaged with motor power axis first gear 31 be switched to engaged with motor power axis second gear 32 or from motor The engagement of power axis second gear 32 is switched to be engaged with motor power axis first gear 31), it is suitable for above-mentioned speed-regulating mode.

The mixed condition scheme one of starting building of each gear：

Power drive system 100 be in a gear it is mixed start building condition when, one or three gear synchronizer 13c engagements, one gear driven gear The input terminal 23d of 1b, double clutch 2d engage the first output end 21d and are disconnected with second output terminal 22d, and motor power axis synchronizes Device 33c engagement motor power axis second gear 32.To which the power that engine 4 exports passes through the first input shaft 11, first gear Pair is exported from the first output shaft 21, and the power of the first dynamotor 51 output passes through motor power axis second gear 32, transmission Gear 6 is exported from the second output shaft 22, and two parts power is finally coupled at main reducing gear driven gear 74, after coupling Power distributes to the wheel of both sides from differential mechanism 75.

The gear is mixed to start building under condition, and the first dynamotor 51 can carry out speed governing, so that main reducing gear driven tooth Wheel 74 can evenly synchronize reception the power from engine 4 and the first dynamotor 51, improve transmission ride comfort, Harmony.

Power drive system 100 be in two gears it is mixed start building condition when, two or four gear synchronizer 24c engagements, two gear driven gears The input terminal 23d of 2b, double clutch 2d engage second output terminal 22d and are disconnected with the first output end 21d, and motor power axis synchronizes Device 33c engagement motor power axis second gear 32.To which the power that engine 4 exports passes through the second input shaft 12, second gear Pair is exported from the first output shaft 21, and the power of the first dynamotor 51 output passes through motor power axis second gear 32, transmission Gear 6 is exported from the second output shaft 22, and two parts power is finally coupled at main reducing gear driven gear 74, after coupling Power distributes to the wheel of both sides from differential mechanism 75.

The gear is mixed to start building under condition, and the first dynamotor 51 can carry out speed governing, so that main reducing gear driven tooth Wheel 74 can evenly synchronize reception the power from engine 4 and the first dynamotor 51, improve transmission ride comfort, Harmony.

Power drive system 100 be in three gears it is mixed start building condition when, be in the mixed condition of starting building of a gear with power drive system 100 Similar, difference lies in one or three gear synchronizer 13c engagements, three gear driven gear 3b, the power of engine 4 is defeated by three gear gear pairs Go out, remaining is substantially roughly the same with the mixed dynamic transmission of a gear, and which is not described herein again.

Power drive system 100 be in four gears it is mixed start building condition when, be in the mixed condition of starting building of two gears with power drive system 100 Similar, difference lies in two or four gear synchronizer 24c engagements, four gear driven gear 4b, the power of engine 4 is defeated by four gear gear pairs Go out, remaining is substantially roughly the same with the mixed dynamic transmission of two gears, and which is not described herein again.

Power drive system 100 be in five gears it is mixed start building condition when, five gear synchronizer 5c engagements five gear driven gear 5b is double The input terminal 23d of clutch 2d engages the first output end 21d and is disconnected with second output terminal 22d, motor power axis synchronizer 33c Engage motor power axis second gear 32.To which the power that engine 4 exports keeps off gear pair from the by the first input shaft 11, five Two output shafts 22 export, the first dynamotor 51 output power by motor power axis second gear 32, transmission gear 6 from Second output shaft 22 exports, and two parts power is coupled on the second output shaft 22, and the power after coupling divides from differential mechanism 75 The wheel of dispensing both sides.

The gear is mixed to start building under condition, and the first dynamotor 51 can carry out speed governing, so that 22 energy of the second output shaft Enough evenly synchronous power of the reception from engine 4 and the first dynamotor 51, improves the ride comfort of transmission, coordinates Property.

The mixed condition scheme two of starting building of each gear：

Power drive system 100 be in a gear it is mixed start building condition when, one or three gear synchronizer 13c engagements, one gear driven gear 1b, two or four gear synchronizer 24c engagements, two gear driven gear 2b (are from the output of second gear pair with 51 power of the first dynamotor Example, certainly also can be from four gear gear pairs outputs), the input terminal 23d of double clutch 2d engage the first output end 21d and with it is second defeated Outlet 22d is disconnected, motor power axis synchronizer 33c engagement motor power axis first gear 31.

To which the power that engine 4 exports is exported by the first input shaft 11, first gear pair to the first output shaft 21, the The power of one dynamotor 51 output passes through motor power axis first gear 31, intermediate idler 73, second gear pair, two or four gears Synchronizer 24c is exported to the first output shaft 21, and two parts power is coupled on the first output shaft 21, the power after coupling from Differential mechanism 75 distributes to the wheel of both sides.

The gear is mixed to start building under condition, and the first dynamotor 51 can carry out speed governing, so that 21 energy of the first output shaft Enough evenly synchronous power of the reception from engine 4 and the first dynamotor 51, improves the ride comfort of transmission, coordinates Property.

Power drive system 100 be in two gears it is mixed start building condition when, two or four gear synchronizer 24c engagements, two gear driven gears The input terminal 23d of 2b, double clutch 2d engage second output terminal 22d and are disconnected with the first output end 21d, and motor power axis synchronizes Device 33c engagement motor power axis first gear 31.To which the power that engine 4 exports is exported by the second input shaft 12 to two gears The power of gear pair, the output of the first dynamotor 51 passes through motor power axis first gear 31, the output of intermediate idler 73 to two Gear pair is kept off, two parts power is coupled in second gear pair, and the first output shaft of power 21 after coupling exports.

The gear is mixed to start building under condition, and the first dynamotor 51 can carry out speed governing, so that second gear pair can It is evenly synchronous to receive the power from engine 4 and the first dynamotor 51, improve ride comfort, the harmony of transmission.

Power drive system 100 be in three gears it is mixed start building condition when, be in the mixed condition of starting building of a gear with power drive system 100 Similar, difference lies in one or three gear synchronizer 13c engagements, three gear driven gear 3b, the power of engine 4 is defeated by three gear gear pairs Go out, remaining is substantially roughly the same with the mixed dynamic transmission of a gear, and which is not described herein again.

It, can not be at this since two or four gear gear pairs share two or four gear synchronizer 24c for the mixed condition of starting building of four gears The mixed condition of starting building of four gears is realized under pattern.

Power drive system 100 be in five gears it is mixed start building condition when, five gear synchronizer 5c engagements five gear driven gear 5b, two The input terminal 23d of four gear synchronizer 24c engagements two gear driven gear 2b, double clutch 2d engage the first output end 21d and with the Two output end 22d are disconnected, motor power axis synchronizer 33c engagement motor power axis first gear 31.

It is exported to the second output shaft 22 to which the power that engine 4 exports keeps off gear pair by the first input shaft 11, five, the The power of one dynamotor 51 output passes through motor power axis first gear 31, intermediate idler 73, second gear pair, two or four gears Synchronizer 24c is exported to the first output shaft 21, and two parts power is coupled at main reducing gear driven gear 74, after coupling Power distributes to the wheel of both sides from differential mechanism 75.

The gear is mixed to start building under condition, and the first dynamotor 51 can carry out speed governing, so that main reducing gear driven tooth Wheel 74 can evenly synchronize reception the power from engine 4 and the first dynamotor 51, improve transmission ride comfort, Harmony.

It should be noted that above-mentioned each gear it is mixed start building condition scheme second is that with two or four gear synchronizer 24c engagements, two gear from Illustrate for moving gear 2b, two or four gear synchronizer 24c can also engage four gear driven gear 4b under certain pattern, at this time respectively The mixed dynamic principle of gear with it is above-mentioned unanimous on the whole, no longer repeat one by one here.And it is to be appreciated that keeping off synchronizer two or four The mixed condition of starting building of two gears is cannot achieve under the pattern of four gear driven gear 4b of 24c engagements, principle cannot achieve four gears with above-mentioned pattern It is mixed dynamic consistent.

To sum up, for the ordinary skill in the art, it can neatly select above-mentioned arbitrary according to actual needs Arbitrary mixed dynamic path in each gear mixed start building condition scheme one and the mixed condition scheme two of starting building of each gear, is greatly enriched power The transmission mode of transmission system 100, improves driving pleasure, enables the vehicle to better adapt to different road conditions, improves vehicle Dynamic property, fuel economy.

Engine charges operating mode scheme one in driving：

Power drive system 100 be in rib driving side charge operating mode when, one or three gear synchronizer 13c engagements, one gear from The input terminal 23d of moving gear 1b, double clutch 2d are engaged with the first output end 21d and are disconnected with second output terminal 22d, motor Power axis synchronizer 33c engagement motor power axis second gear 32.To engine 4 export power by the first input shaft 11, First gear pair is exported from the first output shaft 21, is simultaneously from the counter of wheel and energy is dragged to pass through the second output shaft 22, transmission gear 6, output is to the first dynamotor 51 after motor power axis second gear 32, motor power axis 3, to the first electronic hair of driving Motor 51 generates electricity.

Power drive system 100 be in two ribs driving side charge operating mode when, two or four gear synchronizer 24c engagements, two gear from The input terminal 23d of moving gear 2b, double clutch 2d are engaged with second output terminal 22d and are disconnected with the first output end 21d, motor Power axis synchronizer 33c engagement motor power axis first gear 31.To which a part of power that engine 4 exports passes through the second input Axis 12, second gear pair are exported from the first output shaft 21, engine 4 export another part power by the second input shaft 12, Output is to the first dynamotor 51 after intermediate idler 73, motor power axis first gear 31, motor power axis 3, to drive First dynamotor 51 generates electricity.

When power drive system 100 is in three ribs driving side charging operating mode, a gear is in power drive system 100 Almost the same when the operating mode that charges in driving, difference is one or three gear synchronizer 13c engagements, three gear driven gear 3b at this time.

When power drive system 100 is in four ribs driving side charging operating mode, two gears are in power drive system 100 Almost the same when the operating mode that charges in driving, difference is two or four gear synchronizer 24c engagements, four gear driven gear 4b at this time.

When power drive system 100 is in five ribs driving side charging operating mode, five gear synchronizer 5c five gears of engagement are driven The input terminal 23d of gear 5b, double clutch 2d are engaged with the first output end 21d and are disconnected with second output terminal 22d, motor power Axis synchronizer 33c engagement motor power axis second gear 32.To which the power that engine 4 exports passes through the first input shaft 11, five Gear gear pair is exported from the second output shaft 22, while the partial power on the second output shaft 22 also passes through transmission gear 6, motor Output is to the first dynamotor 51 after power axis second gear 32, motor power axis 3, to driving the first dynamotor 51 hair Electricity.

Engine 4 charges operating mode scheme two in driving：

Engine 4 presented hereinbefore is charged in driving in operating mode scheme one, and double clutch 2d only has one in transmission A clutch carries out engaging work, such as its input terminal 23d is engaged with the first output end 21d or input terminal 23d and second is defeated Outlet 22d engagements, particularly, power drive system 100 according to the ... of the embodiment of the present invention, in the input terminal 23d of double clutch 2d In the case of being simultaneously engaged with the first output end 21d and second output terminal 22d, the operating mode that charges in driving can be also realized.

With this condition, when power drive system 100 is in rib driving side charging operating mode, the input of double clutch 2d End 23d simultaneously engages with the first output end 21d and second output terminal 22d, and one or three gear synchronizer 13c engagements one keep off driven gear 1b, Motor power axis synchronizer 33c engagement motor power axis first gear 31, a part of power exported to engine 4 pass through the One input shaft 11, first gear pair are exported from the first output shaft 21, and another part power that engine 4 exports is from the second input shaft 12, intermediate idler 73, motor power axis first gear 31, the output of motor power axis 3 are to the first dynamotor 51, to drive First dynamotor 51 generates electricity.

With this condition, power drive system 100 is in the driving of three ribs when charging operating mode or being driven in five ribs When the operating mode that charges, it is in a rib with above-mentioned power drive system 100 and drives side charging operating mode roughly the same, difference exists In, one or three gear synchronizer 13c engagements, three gear driven gear 3b when three gears are driven, five gear synchronizer 5c engagements, five gear when five gears are driven Driven gear 5b and power is exported from the second output shaft 22.

To sum up, for the ordinary skill in the art, above-mentioned start can neatly be selected according to actual needs Machine charge the arbitrary drive path that operating mode scheme one and engine are charged when driving in operating mode scheme two in driving, greatly Ground enriches the transmission mode of power drive system 100, improves driving pleasure, enables the vehicle to better adapt to not go the same way Condition improves dynamic property, the fuel economy of vehicle.

It reverses gear operating mode：

Power drive system 100 be in machinery reverse gear operating mode when, reverse gear synchronizer 74c synchronizes 72 He of reverse idler gear The input terminal 23d of intermediate idler 73, double clutch 2d engages second output terminal 22d and is disconnected with the first output end 21d, engine The power of 4 outputs after the second input shaft 12, intermediate idler 73, reverse idler gear 72 from reverse gear 71 by exporting.

When power drive system 100 is in electronic reverse mode, motor power axis synchronizer 33c synchronous motor line shafts 3 reverse idler gears 72 synchronous with motor power axis first gear 31, reverse gear synchronizer 74c and intermediate idler 73, first is electronic The power that generator 51 exports passes through motor power axis 3, motor power axis first gear 31, intermediate idler 73, center tooth of reversing gear It is exported from reverse gear 71 after wheel 72.

When power drive system 100 is in mixed dynamic reverse mode, motor power axis synchronizer 33c synchronous motor line shafts 3 reverse idler gears 72 synchronous with motor power axis first gear 31, reverse gear synchronizer 74c and intermediate idler 73, engine 4 are defeated The power gone out is exported by the second input shaft 12 to intermediate idler 73, and the power of the first dynamotor 51 output passes through motor Power axis 3, the output of motor power axis first gear 31 to intermediate idler 73, two parts power lead to again after being coupled at intermediate idler 73 Reverse idler gear 72 is crossed to export from reverse gear 71.

The parking being introduced above is charged, and operating mode, pure electric vehicle operating mode, each gear mix condition scheme one of starting building, each gear is mixed and started building Charge in driving operating mode scheme one, engine of condition scheme two, engine charges operating mode scheme two and work of reversing gear when driving In condition, the first dynamotor 51 is rotated according to same predetermined direction from beginning to end, i.e., the first dynamotor 51 is being made For electric motor operation and generator operation when, can be rotated according to same direction always, especially for from pure electric vehicle operating mode, each During the mixed condition scheme two of starting building of the mixed condition scheme one of starting building of gear, each gear switches to operating mode of reversing gear, the first dynamotor 51 be also without commutation, so that the first dynamotor 51 can be same from beginning to end under the arbitrary operating mode for participating in work To rotation, improves impact sense, the pause and transition in rhythm or melody sense etc. brought due to motor commutation, improve the service life of power drive system 100.

Embodiment two：

As shown in figure 3, the master of the power drive system 100 and power drive system 100 shown in Fig. 2 in the embodiment At will be difference lies in reverse idler gear 72, intermediate idler 73 and reverse gear synchronizer 74c.In this embodiment, it reverses gear center tooth Wheel 72 and intermediate idler 73 are that adjacent vacant is sleeved on the second output shaft 22, and reverse gear synchronizer 74c is arranged on intermediate idler 73 And for engaging reverse idler gear 72.It then can be with the power drive system 100 basic one in Fig. 2 embodiments for rest part It causes, which is not described herein again.

Embodiment three：

As shown in figure 4, the master of power drive system 100 in the embodiment and power drive system 100 shown in Fig. 3 It will difference lies in the constructions of intermediate idler 73.In this embodiment, intermediate idler 73 is configured to duplicate gear, and has gear part 731,732, one of gear part 731 engaged with two gear driving gear (i.e. with the gear driving tooth on one of input shaft Wheel), another gear part 732 is engaged with motor power axis first gear 31.For rest part then can in Fig. 3 embodiments Power drive system 100 is almost the same, and which is not described herein again.

Example IV-embodiment seven：

As shown in Figure 5-Figure 8, the power drive system 100 in some embodiments and powertrain shown in Fig. 2 System 100 the main distinction be to increase rear wheel drive structure, mainly increase third genemotor 201, the 4th dynamotor The structures such as 301 and anti-skidding synchronizer 503, for details, reference can be made to the above-mentioned descriptions to electronic differential lock construction, and which is not described herein again.

Eight-embodiment of embodiment 11：

As shown in Fig. 9-Figure 12, powertrain shown in power drive system 100 and Fig. 3 in some embodiments System 100 the main distinction be to increase rear wheel drive structure, mainly increase third genemotor 201, the 4th dynamotor The structures such as 301 and anti-skidding synchronizer 503, for details, reference can be made to the above-mentioned descriptions to electronic differential lock construction, and which is not described herein again.

It is according to the ... of the embodiment of the present invention mixed to describe with reference to the accompanying drawings based on the structure of above-mentioned power drive system 100 It closes the energy back-feed control method of power vehicle and the power drive system of hybrid vehicle and there is the powertrain The hybrid vehicle of system.

The energy back-feed control method of the hybrid vehicle of the embodiment of the present invention is illustrated first.Wherein, as schemed Shown in 1-12, the power drive system of hybrid vehicle includes engine, multiple input axis for example, the first input shaft, second Input shaft, multiple output shafts are for example, the first output shaft, the second output shaft, motor power axis and the first dynamotor, wherein Engine is arranged to be selectively engageable at least one of multiple input axis, and gear driving tooth is provided on each input shaft It takes turns, is provided with gear driven gear on each output shaft, gear driven gear is accordingly engaged with gear driving gear, motor Power axis is arranged to link with one in input shaft, and the first dynamotor is arranged to link with motor power axis, and And when motor power axis is linked with one in input shaft, the first dynamotor can be utilized and be exported from engine At least partly power sailed in the hybrid electric vehicle and when parking generates electricity, the first dynamotor has first Gear and the second gear.

Further, in some embodiments of the invention, power drive system can also include that motor power axis synchronizes Device, motor power axis first gear and motor power axis second gear, motor power axis synchronizer with motor power axis first During one in gear and motor power axis second gear engagement is switched to and engage with another, the first dynamotor is arranged It is target to motor power axis at using another the rotating speed in motor power axis first gear and motor power axis second gear Speed governing is carried out, so that the gear of the first dynamotor switches between the first gear and the second gear.

In some embodiments of the invention, the first dynamotor can have there are three gear：First gear, second gear Position and third gear, such as referred to as EV1 gears, direct gear and EV2 gears, the speed ratio of the first gear such as EV1 gear is larger, dynamic property compared with Good, the speed of the second gear such as direct gear is smaller, dynamic property is on the weak side, due to third gear such as EV2 gears and the second gear example If the speed ratio of direct gear is very close to and third gear such as EV2 gear transmission efficiency is low, therefore only needs first gear in energy feedback Position such as EV1 gears and the second gear such as direct gear participate in.

Figure 13 is the flow chart according to the energy back-feed control method of the hybrid vehicle of the embodiment of the present invention.Such as Figure 13 Shown, the energy back-feed control method of the embodiment of the present invention includes the following steps：

S1, the depth and throttle for detecting the current vehicle speed of hybrid vehicle and the brake pedal of hybrid vehicle are stepped on The depth of plate.

S2, when the current vehicle speed of hybrid vehicle is more than preset vehicle speed, the depth of brake pedal is 0, gas pedal Depth be less than predetermined depth, the current shift of hybrid vehicle be D gear, hybrid vehicle be not in cruise mode control and When the anti-lock braking system of hybrid vehicle is in non-working condition, or when the current vehicle speed of hybrid vehicle is more than Preset vehicle speed, the depth of brake pedal control hybrid vehicle more than 0 and when anti-lock braking system is in non-working condition Into energy feedback control model, wherein when hybrid vehicle is in energy feedback control model, obtaining energy feedback needs Torque is sought, and selects the gear of the first dynamotor according to energy feedback demand torque.

Specifically, energy feedback control model may include braking energy feedback control model and slide energy feedback control Pattern.Further, in some embodiments of the invention, when the current vehicle speed of hybrid vehicle is more than preset vehicle speed, system The depth of dynamic pedal is 0, the depth of gas pedal is less than predetermined depth such as 10%, the current shift of hybrid vehicle is D Gear, hybrid vehicle is not in cruise mode control and the anti-lock braking system of hybrid vehicle is in non-working condition When, can control that hybrid vehicle enters accelerator releasing slides energy feedback control model.Further, in the another of the present invention In some embodiments, when the current vehicle speed of hybrid vehicle is more than preset vehicle speed, the depth of brake pedal is more than 0 and anti-lock When braking system is in non-working condition, hybrid vehicle can be controlled and enter braking energy feedback control mould from any gear Formula.

Whether enter the tool of energy feedback control model to control hybrid vehicle in a specific embodiment below Body process illustrates.As shown in figure 14, it can specifically include：

S3, judges whether the current vehicle speed of hybrid vehicle is more than Vmin.

If it is, S4 is entered step, if it is not, then entering step S12.

S4, judges whether the anti-lock braking system (ABS) of hybrid vehicle is in non-working condition.

If it is, S5 and S7 are entered step, if it is not, then entering step S12.

S5, judges whether the depth of brake pedal is more than 0.

If it is, S6 is entered step, if it is not, then entering step S12.

S6, control hybrid vehicle enter braking energy feedback control model.

S7 judges whether that the depth of brake pedal is 0 and the depth of gas pedal is less than or equal to 10%.

If it is, S8 is entered step, if it is not, then entering step S12.

S8 judges whether the current shift of hybrid vehicle is D gears.

If it is, S9 is entered step, if it is not, then entering step S12.

S9 judges whether hybrid vehicle is to be not in cruise mode control.

If it is, S10 is entered step, if it is not, then entering step S12.

S10, control hybrid vehicle, which enters, slides energy feedback control model.

After hybrid vehicle enters and slides energy feedback control model or braking energy feedback control model, into step Rapid S11.

S11 carries out energy feedback control to hybrid vehicle.

S12 controls hybrid vehicle without energy feedback.

Further, in some embodiments of the invention, when hybrid vehicle is in energy feedback control model, The feedback limits value of the first dynamotor can be obtained according to the current operating conditions of the first dynamotor, and according to power The current operating conditions of electric machine controller in transmission system obtain the feedback limits value of electric machine controller, and dynamic according to mixing The working condition of the power battery of power automobile calculates the current permission charge power of power battery, and according to the current of power battery Charge power is allowed to obtain the feedback limits value of current power battery.Thus the feedback limits value of the first dynamotor of acquisition, Minimum feedback limits value among the feedback limits value of electric machine controller and the feedback limits value of current power battery.

Further, in some embodiments of the invention, energy feedback control mould is slided when hybrid vehicle enters When formula, can according to the operating mode of hybrid vehicle, current vehicle speed, road grade, power drive system economic zone, Feedback torque curve is slided in ride comfort and the control stability acquisition of hybrid vehicle, wherein the work of hybrid vehicle Pattern may include electric-only mode and hybrid mode.And then hybrid power can be obtained according to feedback torque curve is slided Minimum target value when automobile slide energy feedback controls.It can finally be obtained according to minimum feedback limits value and minimum target value The minimum backoff values of the first of hybrid vehicle.

It should be noted that electric-only mode (EV) is that only dynamotor runs and participate in the form of driving, mixing Dynamic mode (HEV) is the form that both engine and dynamotor simultaneously participate in operation.

Further, in some embodiments of the invention, mould is controlled when hybrid vehicle enters braking energy feedback When formula, brake pedal depth-system of hybrid vehicle can be obtained according to the ride comfort and braking ability of hybrid vehicle Dynamic torque curve, and according to brake pedal depth-braking torque curve, the economic zone of power drive system and preset braking Tread depths-foundation brake torque curve obtains brake pedal depth-feedback braking torque curve of hybrid vehicle.In turn The current brake of hybrid vehicle can be obtained according to brake pedal depth-feedback braking torque curve of hybrid vehicle Feedback desired value.Finally the second of hybrid vehicle is obtained according to minimum feedback limits value and current brake feedback desired value most Small backoff values.Further, in some embodiments of the invention, energy feedback demand torque can be according to the first minimum feedback Value or the second minimum backoff values obtain.Further, in some embodiments of the invention, energy is carried out in the first dynamotor When measuring feedback, the target torque of engine can be sent to engine controller, and then engine controller is turned round according to target Square controls engine.

It should be noted that the energy feedback of hybrid vehicle refer to hybrid vehicle can by automobile brake or Kinetic energy when accelerator releasing is converted into the power storage of power battery by power drive system and dynamotor, then By in the utilization of power to traction drive, at the same the motor braking torque generated by power drive system to driving wheel system It is dynamic, become frictional heat energy consumption so as to avoid energy, effectively increases the energy ecology of vehicle.

Below to the specific work of progress energy feedback control in energy feedback control model in another specific embodiment It is illustrated as process.As shown in figure 15, it can specifically include：

Whether S101 meets the condition into energy feedback control model by input-signal judging.

Wherein, the condition met into energy feedback control model can be as follows：Current vehicle speed>V_minAnd brake pedal Depth>It is 0 and current vehicle that 0 and ABS, which is in depth≤10% of non-working condition or gas pedal and the depth of brake pedal, Speed>V_minAnd current shift is that D keeps off and is not in cruise mode control and ABS is in non-working condition.

S102 monitors the current operating conditions (such as temperature, electric current and voltage) of the first dynamotor, calculates first The feedback limits value of dynamotor.

S103, the current operating conditions (such as temperature, electric current and voltage) of monitoring electric machine controller (ECN), calculates ECN Feedback limits value.

S104, battery management system (BMS) pass through monitor hybrid vehicle power battery pack in each monomer power The working condition of battery calculates the current feedback limits value for allowing charge power and current power battery of power battery.

S105 compares returning for the feedback limits value of the first dynamotor, the feedback limits value of ECN and current power battery It presents limits value and obtains minimum feedback limits value.

S106 considers the economic zone of power drive system according to the ride comfort and braking ability of hybrid vehicle The feelings such as domain (including power battery, electric machine controller and first dynamotor), brake pedal depth-foundation brake torque curve Condition drafts brake pedal depth-feedback braking torque curve of vehicle, and then bent according to brake pedal depth-feedback braking torque Line obtains the current brake feedback desired value of hybrid vehicle, and the operating mode (HEV by analyzing hybrid vehicle Pattern or EV patterns), current vehicle speed, road grade, power drive system economic zone (including power battery, motor control Device and the first dynamotor), the ride comfort of vehicle and control stability draft out and slide feedback torque curve, and then according to cunning Row feedback torque curve obtains minimum target value when hybrid vehicle slides energy feedback control.

S107, according to present energy feedback control model, (braking energy feedback control model slides energy feedback control Pattern), more minimum feedback limits value and minimum target value obtain the first minimum backoff values or more minimum feedback limits value and Current brake feedback desired value obtains the second minimum backoff values.

S108, according to the first minimum backoff values or the second minimum backoff values, the first dynamotor of driving carries out energy and returns Feedback, and electric energy is charged in power battery, while resistance is provided to driving wheel, achieve the purpose that reduce speed.

While executing energy feedback control model, target torque to the engine for sending engine controls by S109, ECN Device (ECM), and then ECM controls engine according to target torque.

Whether S110 meets the condition for exiting energy feedback control model by input-signal judging, wherein meet and exit The condition of energy feedback control model is opposite with the condition of energy feedback control model is entered.

Specifically, in some embodiments of the invention, the first dynamotor is selected according to energy feedback demand torque Gear, can specifically include：

S21, when energy feedback demand torque is greater than or equal to the maximum feedback torque that the first gear currently provides, control First dynamotor selects the first gear, and energy feedback is carried out in the first gear to control the first dynamotor.

Specifically, as shown in the dotted line e in Figure 16, when the first dynamotor carries out energy in the first gear, that is, EV1 gears When feedback, motor power axis synchronizer and two or four the synchronizers left direction into such as Figure 16 are dialled, at this point, energy is defeated through the first output shaft Go out gear, the first output shaft, two gear driven gears, two or four gear synchronizers, two gear driving gear, intermediate idler, motor power axis First gear, motor power axis synchronizer, motor power axis are fed back to the first dynamotor, and then give power battery charging.

S22, when energy feedback demand torque is less than the maximum feedback torque that the first gear currently provides, the first electricity of control Dynamic generator selects the second gear, and energy feedback is carried out in the second gear to control the first dynamotor.

Specifically, as shown in the dotted line f in Figure 16, when the first dynamotor carries out energy in the second gear, that is, direct gear When feedback, motor power axis synchronizer right direction into such as Figure 16 is dialled, at this point, energy is through the second output shaft output gear, second Output shaft, transmission gear, motor power axis second gear, motor power axis synchronizer, that motor power axis is fed back to first is electronic Generator, and then give power battery charging.

Below to the gear according to energy feedback demand torque the first dynamotor of selection in another specific embodiment The specific work process of position illustrates.As shown in figure 17, it can specifically include：

S201, according to corresponding input signal (such as brake pedal depth, starting speed, pavement behavior), acquisition is slided Feedback torque curve or brake pedal depth-feedback braking torque curve, and it is dynamic according to the acquisition mixing of feedback torque curve is slided Minimum target value when power automobile slide energy feedback controls, or obtained according to brake pedal depth-feedback braking torque curve The current brake feedback desired value of hybrid vehicle.

S202 obtains the feedback limits value of the first dynamotor, the feedback limits value of electric machine controller and currently moves The feedback limits value of power battery, obtain the feedback limits value of the first dynamotor, electric machine controller feedback limits value and Minimum feedback limits value among the feedback limits value of current power battery.

S203 is compared the size of minimum target value and minimum feedback limits value, or to current brake feedback target Value and the size of minimum feedback limits value are compared.

S204 determines energy feedback demand torque Tmax according to comparison result.

It should be noted that hybrid vehicle when carrying out energy feedback, is started, according to whole with certain starting speed The feedback strategy that vehicle is formulated, corresponding under each current vehicle speed and the depth of brake pedal there are one feedback torque value T, this times Feedback torque value T is exactly the energy feedback demand torque Tmax that vehicle first dynamotor in feedback need to provide.

S205 determines the first gear according to information such as the first gear speed ratio of the first dynamotor and current vehicle speeds The maximum feedback torque T a currently provided.

S206 determines the second gear according to information such as the second gear speed ratio of the first dynamotor and current vehicle speeds The maximum feedback torque T b currently provided.

Specifically, when the first gear is EV1 gears, when the second gear is direct gear, by the manufacturing process of gearbox it is found that the One gear speed ratio is more than the second gear speed ratio, as can be seen that first from the structure of power drive system as shown in figs. 1-12 The transmission level of gear is 6 grades, and the transmission level of the second gear is 4 grades, and every grade of transmission efficiency is probably regarded as 0.97, then The n times side that n grades of transmission efficiency is 0.97.Therefore, the transmission efficiency of the first gear is less than the transmission efficiency of the second gear.According to The power P 1 of first dynamoelectric and power generation generator terminal passes to power P 2=P1/＆ when wheel end (i.e. output shaft of gear-box end), wherein to pass The self-characteristic of efficiency of movement and the first dynamotor is it is found that when the first dynamotor works in invariable power state, vehicle Fast certain, transmission efficiency is smaller, then the power P 2 for passing to wheel end is bigger, therefore the torque of the first gear is more than the second gear Torque, to Ta ＞ Tb.In addition, when the first dynamotor works in permanent torque condition, since the torque at wheel end is motor End torque is multiplied by speed ratio, and therefore, speed ratio is bigger, and the torque for being transmitted to wheel end is bigger, to Ta ＞ Tb.In general, first gear The maximum feedback torque T a that position currently provides is more than the maximum feedback torque T b that the second gear currently provides.

S207 compares energy feedback demand torque Tmax, the maximum feedback torque T a that the first gear currently provides, second gear The size for the maximum feedback torque T b that position currently provides.

S208 determines the selection situation of gear according to comparison result.

S209, if Tmax ＞ Ta, the first dynamotor of control selects the first gear.

S210, if Tb ＜ Tmax ＜ Ta, the first dynamotor of control selects the second gear.

S211, if Tmax ＜ Tb, the first dynamotor of control selects the second gear.

S212, according to the corresponding gear of selection, vehicle carries out energy feedback control.

The energy back-feed control method of the hybrid vehicle of the embodiment of the present invention can be by carrying out each input information Fully, it selects different gears to carry out energy in double gears (the first gear and the second gear) after accurately analyzing and consider to return Feedback, to directly improve the recyclable efficiency of stability and energy when vehicle feedback, wherein carry out energy using double gears and return The advantage of feedback is in particular in following three aspects：

(1), more by the first gear (such as EV1 gears) minimum speed more attainable than the second gear (such as direct gear) institute It is small, and the second gear (such as direct gear) max. speed bigger more attainable than the first gear (such as EV1 is kept off) institute, therefore, when When carrying out energy feedback using double gears, the vehicle speed range that can carry out energy feedback of covering is than individually using the second gear more Extensively.

(2), since vehicle is when carrying out energy feedback, the feedback torque of slow-speed of revolution section is not easy to be controlled, and is susceptible to Fluctuation.And when double gears being used to carry out energy feedback, since the first gear (such as EV1 gears) speed ratio is (such as more direct than the second gear Gear) speed ratio is big, therefore can be by energy feedback when speed reduce, and opposite first dynamoelectric and power generation generator terminal when improving low speed Rotating speed so that be more prone to control feedback torque, and the manipulation sense of vehicle is more preferable, without stronger pause and transition in rhythm or melody sense.

(3) if, only with the second gear (such as direct gear) carry out energy feedback, according to the definition of HEV mode (in HEV Under pattern, the first dynamotor is driven with double gears) and power drive system as shown in figs. 1-12 structure it is found that working as When no longer generating electricity and driven, the first gear (such as EV1 gears) need to be switched to and driven, gear can be caused in this way Between frequent switching, power performance lagged.And double gears is used to carry out energy feedbacks, then be not in come between this gear Frequent switching is returned, to effectively improve the dynamic property of vehicle.

Figure 18 is the energy according to the energy back-feed control method of the hybrid vehicle of a specific embodiment of the invention Control information back interacts schematic diagram.Wherein, the first dynamotor acquires the rotation change of the first dynamotor by sensor Signal and temperature signal etc. simultaneously reach ECN, and BMS sends current permission charge power signal to ECN, electronic stability control module (ESC) it acquires the working state signal (working condition or non-working condition) of current vehicle speed signal and ABS and reaches ECN, ECN roots Determine whether to enter or exit energy according to input signal (signals such as the depth of gas pedal, the depth of brake pedal, road grade) Amount feedback control model, carrying out energy feedback control, (wherein, braking energy feedback control model controls mould with energy feedback is slided The input signal of formula is different), at the same send the target torque signal of engine to ECM, send motor drive signal to the first electricity Dynamic generator sends vehicle energy state signal to combination instrument, sends target gear, the shift request of the first dynamotor Equal signals are to automatic gear-box control unit (TCU), while TCU returns to the current gear signal of the first dynamotor to ECN Deng.

The energy back-feed control method for the hybrid vehicle that the embodiment of the present invention proposes, is detecting hybrid vehicle Current vehicle speed and hybrid vehicle the depth of brake pedal and the depth of gas pedal after, when hybrid vehicle The depth that current vehicle speed is more than preset vehicle speed, the depth of brake pedal is 0, gas pedal is less than predetermined depth, hybrid power vapour The current shift of vehicle is not in the anti-skid braking system of cruise mode control and hybrid vehicle for D gears, hybrid vehicle When system is in non-working condition, or when the current vehicle speed of hybrid vehicle is big more than preset vehicle speed, the depth of brake pedal In 0 and anti-lock braking system be in non-working condition when, control hybrid vehicle enters energy feedback control model, and obtains Energy feedback demand torque is taken, and selects the gear of the first dynamotor according to energy feedback demand torque.The mixing is dynamic The energy back-feed control method of power automobile can be turned round when the gear of hybrid vehicle is one grade more than according to energy feedback demand Square selects different gears to carry out energy feedback, and optimizes control to energy feedback process, to substantially increase vehicle Continual mileage, fuel economy and operation ride comfort, while effectively reducing the discharge of pollutant and mechanical braking is brought Abrasion, for reduce automobile energy consumption, alleviating energy crisis and environmental pressure all have significance.

The powertrain of the hybrid vehicle of embodiment according to another aspect of the present invention is described with reference to the accompanying drawings System.

As shown in Fig. 1-12 and Figure 16, the power drive system 100 of the hybrid vehicle of the embodiment of the present invention includes：Hair Motivation, multiple input axis (for example, the first input shaft, second input shaft), multiple output shafts are (for example, the first output shaft, second defeated Shaft), motor power axis, the first dynamotor, detection module (not indicated in figure) and control module (not indicated in figure).

Wherein, engine is arranged to be selectively engageable at least one of multiple input axis, is set on each input shaft It is equipped with gear driving gear.Gear driven gear, gear driven gear and gear driving gear pair are provided on each output shaft It engages with answering.Motor power axis is arranged to link with one in input shaft.First dynamotor is arranged to and electricity Mechanomotive force axis links, wherein when one in motor power axis and input shaft is linked, the first dynamotor being capable of profit It is sailed in hybrid electric vehicle for at least partly power that is exported from engine and when parking generates electricity, the first electronic hair Motor has the first gear and the second gear.Detection module is used to detect the current vehicle speed and hybrid power vapour of hybrid vehicle The depth of the brake pedal of vehicle and the depth of gas pedal.It is more than preset vehicle speed, system in the current vehicle speed of hybrid vehicle The depth of dynamic pedal is 0, the depth of gas pedal is less than predetermined depth, the current shift of hybrid vehicle is D gears, it is dynamic to mix When the anti-lock braking system that power automobile is not in cruise mode control and hybrid vehicle is in non-working condition, Huo Zhe The current vehicle speed of hybrid vehicle is more than preset vehicle speed, the depth of brake pedal is more than 0 and anti-lock braking system is in not When working condition, control module control hybrid vehicle enters energy feedback control model, wherein at hybrid vehicle When energy feedback control model, control module obtains energy feedback demand torque, and is selected according to energy feedback demand torque The gear of first dynamotor.

In some embodiments of the invention, the first dynamotor can have there are three gear：First gear, second gear Position and third gear, such as referred to as EV1 gears, direct gear and EV2 gears, the speed ratio of the first gear such as EV1 gear is larger, dynamic property compared with Good, the speed of the second gear such as direct gear is smaller, dynamic property is on the weak side, due to third gear such as EV2 gears and the second gear example If the speed ratio of direct gear is very close to and third gear such as EV2 gear transmission efficiency is low, therefore only needs first gear in energy feedback Position such as EV1 gears and the second gear such as direct gear participate in.

Further, energy feedback control model may include braking energy feedback control model and slide energy feedback control Molding formula.Further, in some embodiments of the invention, the current vehicle speed of hybrid vehicle be more than preset vehicle speed, The depth of brake pedal is 0, the depth of gas pedal is less than predetermined depth such as 10%, the current shift of hybrid vehicle is D gears, hybrid vehicle are not in cruise mode control and the anti-lock braking system of hybrid vehicle is in the shape that do not work When state, control module can control hybrid vehicle entrance and slide energy feedback control model.In other realities of the present invention It applies in example, is more than preset vehicle speed, the depth of brake pedal more than 0 and anti-skid braking system in the current vehicle speed of hybrid vehicle When system is in non-working condition, control module can control hybrid vehicle and enter braking energy feedback control model.

Further, in some embodiments of the invention, when hybrid vehicle is in energy feedback control model, It is electronic that control module can obtain first according to the current operating conditions (such as temperature, electric current and voltage) of the first dynamotor The feedback limits value of generator, and can according to the current operating conditions of the electric machine controller in power drive system (such as temperature, Electric current and voltage etc.) the feedback limits value that obtains electric machine controller, and it can be according to the power battery of hybrid vehicle Working condition calculates the current permission charge power of power battery, and is worked as according to the current permission charge power of power battery The feedback limits value of preceding power battery.And then control module can obtain the feedback limits value of the first dynamotor, motor control Minimum feedback limits value among the feedback limits value of device processed and the feedback limits value of current power battery.

Further, in some embodiments of the invention, enter in hybrid vehicle and slide energy feedback control mould When formula, control module can be according to the operating mode of hybrid vehicle, current vehicle speed, road grade, power drive system Economic zone (may include power battery, electric machine controller and the first dynamotor), hybrid vehicle ride comfort and Feedback torque curve is slided in control stability acquisition, wherein the operating mode of hybrid vehicle includes electric-only mode and mixes Close dynamic mode.And then control module can slide energy feedback control according to feedback torque curve acquisition hybrid vehicle is slided Minimum target value when processed.Last control module can obtain hybrid power vapour according to minimum feedback limits value and minimum target value The minimum backoff values of the first of vehicle.

It should be noted that electric-only mode (EV) is that only dynamotor runs and participate in the form of driving, mixing Dynamic mode (HEV) is the form that both engine and dynamotor simultaneously participate in operation.

Further, in some embodiments of the invention, enter braking energy feedback in hybrid vehicle and control mould When formula, control module can obtain the brake pedal of hybrid vehicle according to the ride comfort and braking ability of hybrid vehicle Depth-braking torque curve, and according to brake pedal depth-braking torque curve, the economic zone of power drive system and pre- If brake pedal depth-foundation brake torque curve obtain hybrid vehicle brake pedal depth-feedback braking torque Curve.And then control module can be mixed according to brake pedal depth-feedback braking torque curve of hybrid vehicle The current brake feedback desired value of power vehicle.Last control module can be according to minimum feedback limits value and current brake feedback Desired value obtains the second minimum backoff values of hybrid vehicle.Further, in some embodiments of the invention, mould is controlled Block can obtain energy feedback demand torque according to the first minimum backoff values or the second minimum backoff values.Further, in this hair In some bright embodiments, the power drive system 100 of hybrid vehicle can also include engine controller, wherein When first dynamotor carries out energy feedback, the target torque of engine can be sent to engine control by control module Device, engine controller control engine according to target torque.

It should be noted that the energy feedback of hybrid vehicle refer to hybrid vehicle can by automobile brake or Kinetic energy when accelerator releasing is converted into power battery by the power drive system 100 and dynamotor of hybrid vehicle Power storage is got up, and then by the utilization of power to traction drive, while the motor braking torque generated passes through hybrid power The power drive system 100 of automobile brakes driving wheel, becomes frictional heat energy consumption so as to avoid energy, effectively improves The energy ecology of vehicle.

Specifically, in some embodiments of the invention, in control module first is selected according to energy feedback demand torque When the gear of dynamotor, wherein returned when energy feedback demand torque is greater than or equal to the maximum that the first gear currently provides When presenting torque, control module controls the first dynamotor and selects the first gear, to control the first dynamotor in first gear Position carries out energy feedback.When energy feedback demand torque is less than the maximum feedback torque that the first gear currently provides, mould is controlled Block controls the first dynamotor and selects the second gear, and energy feedback is carried out in the second gear to control the first dynamotor.

Energy feedback is carried out in the first gear to the first dynamotor below and carries out energy feedback in the second gear Principle illustrates.

Specifically, in some embodiments of the invention, can also be arranged to can be with one in output shaft for motor power axis A linkage, one in motor power axis and output shaft when being linked, the first dynamotor can be by the power of generation Pass through an output of output shaft.The power drive system 100 of hybrid vehicle can also include：Motor power axis synchronizes Device, motor power axis synchronizer are arranged on motor power axis, and motor power axis is arranged to can be by motor power axis synchronizer Synchronization and a selectively linkage with one of input shaft linkage or with output shaft.

In some embodiments of the invention, the power drive system 100 of hybrid vehicle can also include：Motor Power axis first gear and motor power axis second gear, motor power axis first gear and the equal empty set of motor power axis second gear It is arranged on motor power axis, motor power axis first gear is arranged to link with one of input shaft, motor power axis Second gear is arranged to link with one of output shaft.Motor power axis synchronizer is arranged in motor power axis first gear Between motor power axis second gear.

Specifically, in some embodiments of the invention, motor power axis synchronizer with motor power axis first gear Be switched to one in motor power axis second gear engagement during being engaged with another, the first dynamotor be arranged to Another rotating speed in motor power axis first gear and motor power axis second gear is that target carries out motor power axis Speed governing, so that the gear of the first dynamotor switches between the first gear and the second gear.

Specifically, as shown in the dotted line e in Figure 16, when the first dynamotor carries out energy in the first gear, that is, EV1 gears When feedback, motor power axis synchronizer and two or four the synchronizers left direction into such as Figure 16 are dialled, at this point, energy is defeated through the first output shaft Go out gear, the first output shaft, two gear driven gears, two or four gear synchronizers, two gear driving gear, intermediate idler, motor power axis First gear, motor power axis synchronizer, motor power axis are fed back to the first dynamotor, and then give power battery charging. Specifically, as shown in the dotted line f in Figure 16, when the first dynamotor is in the second gear, that is, direct gear progress energy feedback, Motor power axis synchronizer into such as Figure 16 right direction dial, at this point, energy through the second output shaft output gear, the second output shaft, Transmission gear, motor power axis second gear, motor power axis synchronizer, motor power axis are fed back to the first dynamotor, And then give power battery charging.

The power drive system 100 of the hybrid vehicle of the embodiment of the present invention can be by filling each input information It is returned in the different gears progress energy of the middle selection of double gears (the first gear and the second gear) after dividing ground, accurately analysis and considering Feedback, to directly improve the recyclable efficiency of stability and energy when vehicle feedback, wherein carry out energy using double gears and return The advantage of feedback is in particular in following three aspects：

(1), more by the first gear (such as EV1 gears) minimum speed more attainable than the second gear (such as direct gear) institute It is small, and the second gear (such as direct gear) max. speed bigger more attainable than the first gear (such as EV1 is kept off) institute, therefore, when When carrying out energy feedback using double gears, the vehicle speed range that can carry out energy feedback of covering is than individually using the second gear more Extensively.

(2), since vehicle is when carrying out energy feedback, the feedback torque of slow-speed of revolution section is not easy to be controlled, and is susceptible to Fluctuation.And when double gears being used to carry out energy feedback, since the first gear (such as EV1 gears) speed ratio is (such as more direct than the second gear Gear) speed ratio is big, therefore can be by energy feedback when speed reduce, and opposite first dynamoelectric and power generation generator terminal when improving low speed Rotating speed so that be more prone to control feedback torque, and the manipulation sense of vehicle is more preferable, without stronger pause and transition in rhythm or melody sense.

(3) if, only with the second gear (such as direct gear) carry out energy feedback, according to the definition of HEV mode (in HEV Under pattern, the first dynamotor is driven with double gears) and power drive system as shown in figs. 1-12 structure it is found that working as When no longer generating electricity and driven, the first gear (such as EV1 gears) need to be switched to and driven, gear can be caused in this way Between frequent switching, power performance lagged.And double gears is used to carry out energy feedbacks, then be not in come between this gear Frequent switching is returned, to effectively improve the dynamic property of vehicle.

The power drive system for the hybrid vehicle that the embodiment of the present invention proposes, mixing is being detected by detection module After the depth of the depth and gas pedal of the current vehicle speed of power vehicle and the brake pedal of hybrid vehicle, and then mixed The depth that the current vehicle speed for closing power vehicle is more than preset vehicle speed, the depth of brake pedal is 0, gas pedal is less than default deep It spends, the current shift of hybrid vehicle is that D is kept off, hybrid vehicle is not in cruise mode control and hybrid vehicle When anti-lock braking system is in non-working condition, or hybrid vehicle current vehicle speed be more than preset vehicle speed, braking More than 0 and when anti-lock braking system is in non-working condition, control module controls hybrid vehicle and enters the depth of pedal Energy feedback control model, and energy feedback demand torque is obtained, and it is electronic according to the selection first of energy feedback demand torque The gear of generator.The power drive system of the hybrid vehicle, can when the gear of hybrid vehicle is one grade more than It selects different gears to carry out energy feedback according to energy feedback demand torque, and control is optimized to energy feedback process, To substantially increase the continual mileage, fuel economy and operation ride comfort of vehicle, while effectively reducing the row of pollutant It puts and is worn with caused by mechanical braking, for reducing automobile energy consumption, alleviating energy crisis and environmental pressure all have important meaning Justice.

Further aspect of the present invention embodiment also proposed a kind of hybrid vehicle, the mixing which includes The power drive system 100 of power vehicle.

The hybrid vehicle that the embodiment of the present invention proposes can pass through hybrid vehicle when gear is one grade more than Power drive system according to energy feedback demand torque selects different gear to carry out energy feedback, and to energy feedback process Control is optimized, to substantially increase the continual mileage, fuel economy and operation ride comfort of vehicle, is effectively reduced simultaneously Abrasion caused by the discharge of pollutant and mechanical braking, for reducing automobile energy consumption, alleviating energy crisis and environmental pressure All have significance.

Any process described otherwise above or method description are construed as in flow chart or herein, and expression includes It is one or more for realizing specific logical function or process the step of executable instruction code module, segment or portion Point, and the range of the preferred embodiment of the present invention includes other realization, wherein can not press shown or discuss suitable Sequence, include according to involved function by it is basic simultaneously in the way of or in the opposite order, to execute function, this should be of the invention Embodiment person of ordinary skill in the field understood.

Expression or logic and/or step described otherwise above herein in flow charts, for example, being considered use In the order list for the executable instruction for realizing logic function, may be embodied in any computer-readable medium, for Instruction execution system, device or equipment (system of such as computer based system including processor or other can be held from instruction The instruction fetch of row system, device or equipment and the system executed instruction) it uses, or combine these instruction execution systems, device or set It is standby and use.For the purpose of this specification, " computer-readable medium " can any can be included, store, communicating, propagating or passing Defeated program is for instruction execution system, device or equipment or the dress used in conjunction with these instruction execution systems, device or equipment It sets.The more specific example (non-exhaustive list) of computer-readable medium includes following：Electricity with one or more wiring Interconnecting piece (electronic device), portable computer diskette box (magnetic device), random access memory (RAM), read-only memory (ROM), erasable edit read-only storage (EPROM or flash memory), fiber device and portable optic disk is read-only deposits Reservoir (CDROM).In addition, computer-readable medium can even is that the paper that can print described program on it or other are suitable Medium, because can be for example by carrying out optical scanner to paper or other media, then into edlin, interpretation or when necessary with it His suitable method is handled electronically to obtain described program, is then stored in computer storage.

It should be appreciated that each section of the present invention can be realized with hardware, software, firmware or combination thereof.Above-mentioned In embodiment, software that multiple steps or method can in memory and by suitable instruction execution system be executed with storage Or firmware is realized.It, and in another embodiment, can be under well known in the art for example, if realized with hardware Any one of row technology or their combination are realized：With the logic gates for realizing logic function to data-signal Discrete logic, with suitable combinational logic gate circuit application-specific integrated circuit, programmable gate array (PGA), scene Programmable gate array (FPGA) etc..

Those skilled in the art are appreciated that realize all or part of step that above-described embodiment method carries Suddenly it is that relevant hardware can be instructed to complete by program, the program can be stored in a kind of computer-readable storage medium In matter, which includes the steps that one or a combination set of embodiment of the method when being executed.

In addition, each functional unit in each embodiment of the present invention can be integrated in a processing module, it can also That each unit physically exists alone, can also two or more units be integrated in a module.Above-mentioned integrated mould The form that hardware had both may be used in block is realized, can also be realized in the form of software function module.The integrated module is such as Fruit is realized in the form of software function module and when sold or used as an independent product, can also be stored in a computer In read/write memory medium.

Storage medium mentioned above can be read-only memory, disk or CD etc..

In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not Centainly refer to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be any One or more embodiments or example in can be combined in any suitable manner.

It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace And modification, the scope of the present invention is by appended claims and its equivalent limits.

Claims (19)

1. a kind of energy back-feed control method of hybrid vehicle, which is characterized in that the power of the hybrid vehicle passes Dynamic system includes engine, multiple input axis, multiple output shafts, motor power axis and the first dynamotor, wherein the hair Motivation is arranged to be selectively engageable at least one of the multiple input shaft, and gear is provided on each input shaft Driving gear is each provided with gear driven gear, the gear driven gear and the gear driving tooth on the output shaft Wheel accordingly engages, and the motor power axis is arranged to link with one in the input shaft, first dynamoelectric and power generation Machine be arranged to the motor power axis link, and the motor power axis with it is one in the input shaft When being linked, first dynamotor can utilize at least partly power exported from the engine described mixed It generates electricity when closing power vehicle traveling and parking, first dynamotor has the first gear and the second gear, institute Energy back-feed control method is stated to include the following steps：

Detect the depth and throttle of the current vehicle speed of the hybrid vehicle and the brake pedal of the hybrid vehicle The depth of pedal；And

When the current vehicle speed of the hybrid vehicle is more than preset vehicle speed, the depth of the brake pedal is that the 0, throttle is stepped on The depth of plate is less than predetermined depth, the current shift of the hybrid vehicle is that D is kept off, the hybrid vehicle is not in and patrols Boat control model and when the anti-lock braking system of the hybrid vehicle be in non-working condition, or when the mixing is moved The current vehicle speed of power automobile is more than the preset vehicle speed, the depth of the brake pedal is more than 0 and the anti-lock braking system When in non-working condition, controls the hybrid vehicle and enter energy feedback control model, wherein in the hybrid power When automobile is in the energy feedback control model, energy feedback demand torque is obtained, and turn round according to the energy feedback demand Square selects the gear of first dynamotor；

Wherein, the gear that first dynamotor is selected according to the energy feedback demand torque, specifically includes：

When the energy feedback demand torque is greater than or equal to the maximum feedback torque that first gear currently provides, control First dynamotor selects first gear, is carried out in first gear with controlling first dynamotor Energy feedback；And

When the energy feedback demand torque is less than the maximum feedback torque that first gear currently provides, control described the One dynamotor selects second gear, and energy time is carried out in second gear to control first dynamotor Feedback.

2. the energy back-feed control method of hybrid vehicle as described in claim 1, which is characterized in that the energy feedback Control model includes braking energy feedback control model and slides energy feedback control model, wherein

When the current vehicle speed of the hybrid vehicle is more than preset vehicle speed, the depth of the brake pedal is that the 0, throttle is stepped on The depth of plate is less than predetermined depth, the current shift of the hybrid vehicle is that D is kept off, the hybrid vehicle is not in and patrols Boat control model and when the anti-lock braking system of the hybrid vehicle is in non-working condition, controls the hybrid power Automobile slides energy feedback control model described in entering；And

When the current vehicle speed of the hybrid vehicle is more than the preset vehicle speed, the depth of the brake pedal is more than 0 and institute When stating anti-lock braking system and being in non-working condition, controls the hybrid vehicle and controlled into the braking energy feedback Pattern.

3. the energy back-feed control method of hybrid vehicle as claimed in claim 2, which is characterized in that when the mixing is dynamic When power automobile is in the energy feedback control model, wherein

The feedback limits value of first dynamotor is obtained according to the current operating conditions of first dynamotor, and The feedback limitation of the electric machine controller is obtained according to the current operating conditions of the electric machine controller in the power drive system It is worth, and calculate the current of the power battery according to the working condition of the power battery of the hybrid vehicle to allow to charge Power, and according to the current feedback limits value for allowing charge power to obtain presently described power battery of the power battery；With And

Obtain the feedback limits value of first dynamotor, the feedback limits value of the electric machine controller and presently described Minimum feedback limits value among the feedback limits value of power battery.

4. the energy back-feed control method of hybrid vehicle as claimed in claim 3, which is characterized in that when the mixing is dynamic When sliding energy feedback control model described in the entrance of power automobile, wherein

According to the operating mode of the hybrid vehicle, the economic zone of current vehicle speed, road grade, the power drive system Feedback torque curve is slided in domain, the ride comfort of the hybrid vehicle and control stability acquisition, wherein the hybrid power The operating mode of automobile includes electric-only mode and hybrid mode；

According to it is described slide feedback torque curve obtain the hybrid vehicle slide energy feedback control when minimum target Value；And

The first minimum feedback of the hybrid vehicle is obtained according to the minimum feedback limits value and the minimum target value Value.

5. the energy back-feed control method of hybrid vehicle as claimed in claim 3, which is characterized in that when the mixing is dynamic When power automobile enters the braking energy feedback control model, wherein

The brake pedal depth-of the hybrid vehicle is obtained according to the ride comfort of the hybrid vehicle and braking ability Braking torque curve, and according to the brake pedal depth-braking torque curve, the power drive system economic zone and Brake pedal depth-braking that preset brake pedal depth-foundation brake torque curve obtains the hybrid vehicle is returned Present torque curve；

The hybrid vehicle is obtained according to the brake pedal of hybrid vehicle depth-feedback braking torque curve Current brake feedback desired value；And

The second of the hybrid vehicle is obtained according to the minimum feedback limits value and the current brake feedback desired value Minimum backoff values.

6. the energy back-feed control method of hybrid vehicle as described in claim 4 or 5, which is characterized in that the energy Feedback demand torque is obtained according to the described first minimum backoff values or the second minimum backoff values.

7. the energy back-feed control method of hybrid vehicle as described in claim 1, which is characterized in that in first electricity When dynamic generator carries out energy feedback, the target torque of the engine is sent to engine controller, the engine control Device processed controls the engine according to the target torque.

8. the energy back-feed control method of hybrid vehicle as described in claim 1, which is characterized in that the power transmission System further includes motor power axis synchronizer, motor power axis first gear and motor power axis second gear, the motor Power axis synchronizer is engaging switching with one in the motor power axis first gear and the motor power axis second gear For during being engaged with another, first dynamotor is arranged to the motor power axis first gear and the motor Another the rotating speed in line shaft second gear is that target carries out speed governing to the motor power axis, so that described first The gear of dynamotor switches between first gear and second gear.

9. a kind of power drive system of hybrid vehicle, which is characterized in that including：

Engine；

Multiple input axis, the engine are arranged to be selectively engageable at least one of the multiple input shaft, each Gear driving gear is provided on the input shaft；

Multiple output shafts are each provided with gear driven gear, the gear driven gear and the gear on the output shaft Driving gear accordingly engages；

Motor power axis, the motor power axis are arranged to link with one in the input shaft；

First dynamotor, first dynamotor is arranged to link with the motor power axis, wherein in institute That states in motor power axis and the input shaft is one when being linked, and first dynamotor can be utilized and be come from At least partly power of engine output is sailed in the hybrid electric vehicle and when parking generates electricity, and described first Dynamotor has the first gear and the second gear；

Detection module, the brake pedal of current vehicle speed and the hybrid vehicle for detecting the hybrid vehicle The depth of depth and gas pedal；And

Control module, the hybrid vehicle current vehicle speed be more than preset vehicle speed, the depth of the brake pedal be 0, The depth of the gas pedal is less than predetermined depth, the current shift of the hybrid vehicle is D gears, the hybrid power vapour When the anti-lock braking system that vehicle is not in cruise mode control and the hybrid vehicle is in non-working condition, Huo Zhe It is more than 0 and described antilock that the current vehicle speed of the hybrid vehicle is more than the preset vehicle speed, the depth of the brake pedal When dead braking system is in non-working condition, the control module controls the hybrid vehicle and enters energy feedback control mould Formula, wherein when the hybrid vehicle is in the energy feedback control model, the control module obtains energy feedback Demand torque, and select according to the energy feedback demand torque gear of first dynamotor；

When the control module selects the gear of first dynamotor according to the energy feedback demand torque, In,

It is described when the energy feedback demand torque is greater than or equal to the maximum feedback torque that first gear currently provides Control module controls first dynamotor and selects first gear, to control first dynamotor described First gear carries out energy feedback；And

When the energy feedback demand torque is less than the maximum feedback torque that first gear currently provides, the control mould Block controls first dynamotor and selects second gear, to control first dynamotor in the second gear Position carries out energy feedback.

10. the power drive system of hybrid vehicle as claimed in claim 9, which is characterized in that the energy feedback control Molding formula includes braking energy feedback control model and slides energy feedback control model, wherein

It is more than preset vehicle speed, the depth of the brake pedal in the current vehicle speed of the hybrid vehicle to step on for the 0, throttle The depth of plate is less than predetermined depth, the current shift of the hybrid vehicle is that D is kept off, the hybrid vehicle is not in and patrols Boat control model and when the anti-lock braking system of the hybrid vehicle be in non-working condition, the control module controls The hybrid vehicle slides energy feedback control model described in entering；And

It is more than the preset vehicle speed, the depth of the brake pedal more than 0 and institute in the current vehicle speed of the hybrid vehicle When stating anti-lock braking system and being in non-working condition, the control module controls the hybrid vehicle and enters the braking Energy feedback control model.

11. the power drive system of hybrid vehicle as claimed in claim 10, which is characterized in that in the hybrid power When automobile is in the energy feedback control model, wherein

The control module obtains first dynamotor according to the current operating conditions of first dynamotor Feedback limits value, and obtain the motor according to the current operating conditions of the electric machine controller in the power drive system and control The feedback limits value of device, and the power battery is calculated according to the working condition of the power battery of the hybrid vehicle It is current to allow charge power, and allow charge power to obtain returning for presently described power battery according to the current of the power battery Present limits value；And

The control module obtains the feedback limits value of the feedback limits value of first dynamotor, the electric machine controller And the minimum feedback limits value among the feedback limits value of presently described power battery.

12. the power drive system of hybrid vehicle as claimed in claim 11, which is characterized in that in the hybrid power When sliding energy feedback control model described in automobile entrance, wherein

The control module is according to the operating mode of the hybrid vehicle, current vehicle speed, road grade, the power transmission Feedback torque curve is slided in the economic zone of system, the ride comfort of the hybrid vehicle and control stability acquisition, wherein The operating mode of the hybrid vehicle includes electric-only mode and hybrid mode；

The control module slides the feedback torque curve acquisition hybrid vehicle according to and slides energy feedback control When minimum target value；And

The control module obtains the hybrid vehicle according to the minimum feedback limits value and the minimum target value First minimum backoff values.

13. the power drive system of hybrid vehicle as claimed in claim 11, which is characterized in that in the hybrid power When automobile enters the braking energy feedback control model, wherein

The control module obtains the hybrid vehicle according to the ride comfort and braking ability of the hybrid vehicle Brake pedal depth-braking torque curve, and according to the brake pedal depth-braking torque curve, the powertrain The braking that the economic zone of system and preset brake pedal depth-foundation brake torque curve obtain the hybrid vehicle is stepped on Plate depth-feedback braking torque curve；

The control module obtains described mixed according to brake pedal depth-feedback braking torque curve of the hybrid vehicle Close the current brake feedback desired value of power vehicle；And

The control module obtains the mixing according to the minimum feedback limits value and the current brake feedback desired value and moves The minimum backoff values of the second of power automobile.

14. the power drive system of hybrid vehicle as described in claim 12 or 13, which is characterized in that the control mould Root tuber obtains the energy feedback demand torque according to the described first minimum backoff values or the second minimum backoff values.

15. the power drive system of hybrid vehicle as claimed in claim 9, which is characterized in that further include engine control Device processed, wherein when first dynamotor carries out energy feedback, the control module turns round the target of the engine Square is sent to the engine controller, and the engine controller controls the engine according to the target torque System.

16. the power drive system of hybrid vehicle as claimed in claim 9, which is characterized in that the motor power axis Be also configured to link with one in the output shaft, in the motor power axis and the output shaft it is one into When row linkage, the first dynamotor one output that the power of generation can be passed through the output shaft；And

The power drive system further includes：

Motor power axis synchronizer, the motor power axis synchronizer are arranged on the motor power axis, the motor power Axis be arranged to can by the synchronization of the motor power axis synchronizer selectively with one linkage of the input shaft Or one linkage with the output shaft.

17. the power drive system of hybrid vehicle as claimed in claim 16, which is characterized in that further include：

Motor power axis first gear and motor power axis second gear, the motor power axis first gear and the motor The equal sky of power axis second gear is set on the motor power axis, the motor power axis first gear be arranged to it is described defeated Enter the one of axis to link, the motor power axis second gear is arranged to one progress with the output shaft Linkage；And

The motor power axis synchronizer is arranged in the motor power axis first gear and the motor power axis second gear Between.

18. the power drive system of hybrid vehicle as claimed in claim 17, which is characterized in that the motor power axis Synchronizer engaged with one in the motor power axis first gear and the motor power axis second gear be switched to During another engagement, first dynamotor is arranged to the motor power axis first gear and the motor power Another the rotating speed in axis second gear is that target carries out speed governing to the motor power axis, so that described first is electronic The gear of generator switches between first gear and second gear.

19. a kind of hybrid vehicle, which is characterized in that include the hybrid power vapour as described in any one of claim 9-18 The power drive system of vehicle.