CN105437948B - Hybrid vehicle and its reverse gear control method and power drive system - Google Patents

Abstract

The invention discloses a kind of control method of reversing gear of hybrid vehicle, the control method of reversing gear includes the following steps：In the hybrid vehicle reverse travel, the demand torque of the hybrid vehicle is judged；The power drive system is controlled according to the demand torque of the hybrid vehicle and is run with pure electric vehicle reverse mode or hybrid power reverse mode with controlling the hybrid vehicle.To which the control method can take into account dynamic property, economy and control difficulty when controlling hybrid vehicle reverse travel, provide preferably reversing experience to the user.The invention also discloses a kind of power drive system of hybrid vehicle and a kind of hybrid vehicles.

Description

Hybrid vehicle and its reverse gear control method and power drive system

Technical field

The present invention relates to automobile technical field, more particularly to control method of reversing gear, one kind of a kind of hybrid vehicle are mixed Close the power drive system of power vehicle and a kind of hybrid vehicle.

Background technology

The mode of reversing gear of relevant hybrid vehicle include motor by direct gear driving, motor by shift gears driving and Pure fuel oil type of drive, also there is hybrid power type of drive etc..Wherein, the reversing mode of pure fuel oil driving is more mature；Pure electricity The reversing mode of dynamic driving controls simple, easy realization, has preferable economy；The reversing mode of hybrid power driving has preferably Dynamic property.

But since hybrid vehicle is in reversing process, speed is relatively low, traveling be also it is intermittent, it is relevant fall Vehicle mode has the disadvantages that：The reversing mode of pure fuel oil driving has poor economy, higher discharge, while clutch is long Time is in sliding wear, causes serious mechanical wear；The reversing mode of pure electric vehicle driving, dynamic property is on the weak side, and simultaneous selection is direct Gear travels (speed ratio is small), and motor speed is smaller, and motor is operated in uneconomic region, and economy also can be by certain shadow It rings；The reversing mode of hybrid power driving will consider the problems such as power coupling in different dynamic source and speed governing are shifted gears, control phase To complexity.Therefore, there are improved needs for the relevant technologies.

Invention content

The present invention is directed to solve at least some of the technical problems in related technologies.

For this purpose, first purpose of the present invention is to propose a kind of control method of reversing gear of hybrid vehicle, Neng Goujian Dynamic property, economy and control difficulty are cared for, provides experience of preferably reversing gear to the user.

Second object of the present invention is to propose a kind of power drive system of hybrid vehicle.The third of the present invention A purpose is to propose a kind of hybrid vehicle.

The control method of reversing gear for the hybrid vehicle that embodiment proposes according to a first aspect of the present invention, the hybrid power The power drive system of automobile includes engine, multiple input axis, multiple output shafts, motor power axis and the first dynamoelectric and power generation Machine, wherein the engine is arranged to be selectively engageable at least one of the multiple input shaft, each input Be provided with gear driving gear on axis, be provided with gear driven gear on each output shaft, the gear driven gear with The gear driving gear accordingly engages, and the motor power axis is arranged to link with one in the input shaft, institute It states the first dynamotor to be arranged to link with the motor power axis, and in the motor power axis and the input When one in axis is linked, first dynamotor can be utilized from at least portion that the engine exports Sub-power is sailed in the hybrid electric vehicle and when parking generates electricity, and the control method of reversing gear includes the following steps： In the hybrid vehicle reverse travel, the demand torque of the hybrid vehicle is judged；According to the hybrid power The demand torque of automobile, which controls the power drive system, to be reversed gear mould with controlling the hybrid vehicle with pure electric vehicle Formula or the operation of hybrid power reverse mode.

The control method of reversing gear of the hybrid vehicle proposed according to embodiments of the present invention moves backward in hybrid vehicle and goes When sailing, judge the demand torque of hybrid vehicle, and according to the demand torque of hybrid vehicle to power drive system into Row control is run with controlling hybrid vehicle with pure electric vehicle reverse mode or hybrid power reverse mode, to mixing When power vehicle reverse travel is controlled, dynamic property, economy and control difficulty can be taken into account, provides to the user and preferably falls Car body is tested.

The power drive system for the hybrid vehicle that embodiment proposes according to a second aspect of the present invention, including：Engine； Multiple input axis, the engine are arranged to be selectively engageable at least one of the multiple input shaft, each described Gear driving gear is provided on input shaft；Multiple output shafts are each provided with gear driven gear on the output shaft, described Gear driven gear is accordingly engaged with the gear driving gear；Motor power axis, the motor power axis is arranged to can be with A linkage in the input shaft；First dynamotor, first dynamotor are arranged to and the motor Line shaft links, wherein when one in the motor power axis and the input shaft is linked, first electricity Dynamic generator can utilize at least partly power exported from the engine to sail and stay in the hybrid electric vehicle It generates electricity when vehicle；Control module, the control module judge that the mixing is dynamic in the hybrid vehicle reverse travel The demand torque of power automobile, and according to the demand torque of the hybrid vehicle to the power drive system controlled with The hybrid vehicle is controlled to run with pure electric vehicle reverse mode or hybrid power reverse mode.

The power drive system of the hybrid vehicle proposed according to embodiments of the present invention moves backward in hybrid vehicle and goes When sailing, judge the demand torque of hybrid vehicle, and according to the demand torque of hybrid vehicle to power drive system into Row control is run with controlling hybrid vehicle with pure electric vehicle reverse mode or hybrid power reverse mode, to mixing When power vehicle reverse travel is controlled, dynamic property, economy and control difficulty can be taken into account, provides to the user and preferably falls Car body is tested.

The hybrid vehicle that embodiment proposes according to a third aspect of the present invention, including the hybrid vehicle are dynamic Power transmission system.

The hybrid vehicle proposed according to embodiments of the present invention can take into account dynamic property, economy in reversing process And control difficulty, provide preferably reversing experience to the user.

Description of the drawings

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 control method of reversing gear of hybrid vehicle according to the ... of the embodiment of the present invention；

Figure 14 be hybrid vehicle according to an embodiment of the invention control method of reversing gear in pure electric vehicle reverse gear mould The power transmission line of formula；

Figure 15 be hybrid vehicle according to an embodiment of the invention control method of reversing gear in hybrid power reverse gear The power transmission line of pattern；

Figure 16 is that the power of the control method of reversing gear of hybrid vehicle in accordance with another embodiment of the present invention transmits road Line；And

Figure 17 is to transmit road according to the power of the control method of reversing gear of the hybrid vehicle of another embodiment of the invention Line.

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, it is intended to for explaining the present invention, and is not considered as limiting the invention.

Power drive system 100 according to the ... of the embodiment of the present invention is described in detail with reference to Fig. 1-Figure 12 first, The power drive system 100 is suitable for the vehicle of such as hybrid vehicle, and as the dynamical system of vehicle, be vehicle just Often traveling provides 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 described above, motor power axis 3 can link with one in input shaft, particularly, in motor power axis 3 When being linked with one in the input shaft, the first dynamotor 51 can be utilized from at least portion that engine 4 exports Sub-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 one in motor power axis 3 and output shaft is linked, the first dynamotor 51 can be by the power of generation by one output of output shaft, to drive vehicle to travel.In short, in motor power When axis 3 links with the output shaft, the first dynamotor 51 is can be used as motor and export power to drive vehicle to travel 's.

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 be arranged to input shaft it is one into Row linkage, motor power axis second gear 32 are arranged to link with the one of output shaft.In some of Fig. 1-Figure 12 In example, motor power axis first gear 31 is linked with the second input shaft 12, and motor power axis second gear 32 is and the The linkage of two output shafts 22, 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, Wheel 31 or motor power axis second gear 32 synchronization) and selectively with one linkage of input shaft or and output shaft One linkage.Specifically, motor power axis synchronizer 33c can synchronize motor power axis first gear 31, That is the engageable motor power axis first gears 31 of motor power axis synchronizer 33c and motor power axis 3, to motor power axis 3 It can link with one (for example, second input shaft 12) in input shaft.For another example, in some instances, motor Power axis synchronizer 33c can synchronize motor power axis second gear 32, i.e. the engageable motors of motor power axis synchronizer 33c Line shaft second gear 32 and motor power axis 3, to motor power axis 3 can with it is one (for example, the in output shaft Two output shafts 22) it links.

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 described above, motor power axis first gear 31 links with the one of input shaft.And show in the present invention In some embodiments gone out, motor power axis first gear 31 be with input shaft it is one on driving gear direct-drive Or indirect drive, to realize the purpose with input shaft linkage.Such as in the example of Fig. 1-Figure 12, motor power axis One gear 31 with corresponding driving gear such as two gear driving gear 2a by 73 indirect drive of intermediate idler, in other words, Intermediate idler 73 is engaged with corresponding driving gear and motor power axis first gear 31 respectively.

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 output shaft it is one on, such as reverse idler gear 72 and 73 equal empty set of intermediate idler are in the second output shaft On 22, and reverse idler gear 72 and intermediate idler 73 are adjacent to each other, reverse gear synchronizer 74c be arranged on intermediate idler 73 and For engaging 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 the one of the power output of generation to input shaft, i.e., links as power source with intermediate idler 73 Input shaft (for example, second input shaft 12), and by reverse gear synchronizer 74c to intermediate idler 73 and reverse idler gear 72 It synchronizes and outputs power to reverse gear 71, reverse gear 71 can finally output power to wheel, realize reversing.Letter speech It, is 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 one to input shaft, and the 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 the reverse gear 71. That is, the two-part power from engine 4 and the first dynamotor 51 is finally all exported 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.

About motor power axis second gear 32, as described above, it is linked with one in output shaft. Specifically, in some embodiments, transmission gear 6, transmission gear 6 and motor power axis are fixedly installed on the second output shaft 22 Second gear 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 Reverse mode and mixed dynamic reverse mode, due to motor power axis second gear 32 and the transmission being fixed on the second output shaft 22 Gear 6 engages, therefore the power from the first dynamotor 51 can be exported by the paths, realizes 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 It is one to 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 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 described above, reverse gear 71 is the power output end as most of reverse mode, therefore the reverse gear 71 equally engage with main reducing gear driven gear 74.And since reverse gear 71 is also engaged with reverse idler gear 72 simultaneously, together When in order to obtain suitable speed ratio of reversing gear, as a kind of optional embodiment, reverse gear 71 is configured to duplicate gear, this pair The part of reverse gear 71 for joining toothing is engaged with reverse idler gear 72, the reverse gear 71 of the duplex toothing it is another A part is engaged with main reducing gear driven gear 74.In other words, one of reverse gear 71 gear part 712 is and reverses gear Between gear 72 engagement and another gear part 711 be to be engaged with main reducing gear driven gear 74.Thus it can not only obtain good Speed ratio of reversing gear, 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 one (input shaft to link with motor power axis first gear 31, such as Two input shafts 12), and the outputing power by synchronization to motor power axis first gear 31 by motor power axis synchronizer 33c 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, 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 a dynamotor 52 with Increase the dynamic property of power drive system 100, enriches transmission mode.

For example, in wherein some embodiments, dynamotor 52 can be driven with main reducing gear driven gear 74, such as electricity Gear can be set on the motor shaft of dynamic generator 52, the gear and the directly engaged transmission of main reducing gear driven gear 74.For another example, In further embodiments, dynamotor 52 can also be arranged to be connected with the first input shaft 11 or with 21 phase of the first output shaft Even.For another example, in still other embodiments, dynamotor 52 is two and is separately positioned on the both sides of differential mechanism 75, such as should Two dynamotor 52 can become one with differential mechanism 75.Alternatively, 4 and first dynamotor 51 of engine above-mentioned For driving front-wheel, dynamotor 52 to can also be wheel motor and can pass through for trailing wheel or dynamotor 52 One deceleration mechanism drives two trailing wheels or dynamotor 52 to be two and drive one by a deceleration mechanism respectively Trailing wheel.

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 in two or four gear synchronizer 4c It cannot achieve the mixed condition of starting building of two gears under the pattern of four gear driven gear 4b of engagement, it is mixed dynamic that principle and above-mentioned pattern cannot achieve four gears Unanimously.

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 input shaft it is one on gear actively Gear), 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 it is almost the same, 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.

In addition, further providing the vehicle for including power drive system 100 as described above according to an embodiment of the invention .It should be understood that other compositions of vehicle according to the ... of the embodiment of the present invention such as driving system, steering, braking system System etc. has been the prior art and has been well known for ordinary skill in the art, therefore herein to the detailed description of well known structures It is omitted.

Power drive system based on above-described embodiment and the vehicle with the power drive system, the embodiment of the present invention carry Go out a kind of control method of reversing gear of hybrid vehicle, wherein the controlling party of reversing gear of the hybrid vehicle of the embodiment of the present invention Method is executed based on the hybrid vehicle with above-mentioned power drive system.It describes with reference to the accompanying drawings according to the present invention Control method of reversing gear, the power drive system of hybrid vehicle and the hybrid power vapour for the hybrid vehicle that embodiment proposes Vehicle.

Figure 13 is the flow chart of the control method of reversing gear of hybrid vehicle according to the ... of the embodiment of the present invention.Hybrid power vapour The power drive system of vehicle includes engine, multiple input axis, multiple output shafts, motor power axis and the first dynamotor, Wherein, engine is arranged to be selectively engageable at least one of multiple input axis, and gear is provided on each input shaft Driving gear is provided with gear driven gear on each output shaft, and 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 join with motor power axis It is dynamic, and when motor power axis is linked with one in input shaft, the first dynamotor, which can utilize to come from, start At least partly power of machine output is sailed in hybrid electric vehicle and when parking generates electricity.As shown in figure 13, the control of reversing gear Method processed includes the following steps：

S1：In hybrid vehicle reverse travel, the demand torque of hybrid vehicle is judged.

S2：Power drive system is controlled to control hybrid vehicle according to the demand torque of hybrid vehicle It is run with pure electric vehicle reverse mode or hybrid power reverse mode.

In addition, according to one embodiment of present invention, the first dynamotor can have the first gear and the second gear, In, power drive system further includes motor power axis synchronizer, motor power axis first gear and motor power axis second gear, Motor power axis synchronizer is switched to being engaged with one in motor power axis first gear and motor power axis second gear During being engaged with another, the first dynamotor is arranged to motor power axis first gear and motor power axis second gear In another rotating speed be target to motor power axis carry out speed governing so that the gear of the first dynamotor is in the first gear And second switch between gear.

Wherein, the difference of the first gear and the second gear is embodied in speed ratio, power drive system through this embodiment Two kinds of speed ratios are formed, different speed ratios can change the rotating speed and wheel end output torque of the first dynamotor.Wherein, the first gear Speed ratio be more than the second gear speed ratio.

The first dynamotor can be by the automatic switchover of two gear gears as a result, hybrid power vapour when both ensure that low speed The large torque demand of vehicle, but dynamotor rotating speed will not be excessively high when can guarantee high speed, while can also improve the first electricity well The working efficiency of dynamic generator.

It is reversed gear control method below by four embodiments the hybrid vehicle of the embodiment of the present invention is described in detail.

According to one embodiment of present invention, when the demand torque of hybrid vehicle is less than or equal to the preset torque that reverses gear When, control hybrid vehicle is run with pure electric vehicle reverse mode, wherein same by controlling two or four gears in power drive system Step device and motor power axis synchronizer are stirred to first direction, so that the first dynamotor 51 selects the first gear.

A specific example according to the present invention, it can be to stir to the left to be stirred to first direction, the first dynamotor 51 can be used for driving front vehicle wheel operating.

Specifically, as shown in figure 14, when the demand torque of hybrid vehicle be less than or equal to it is preset reverse gear torque when, Controllable two or four gear synchronizer 24c and motor power axis synchronizer 33c is moved to the left, and in other words, control motor power axis synchronizes Device 33c engagement motor power axis first gear 31, the power of the first dynamotor 51 output passes through the first tooth of motor power axis Wheel 31, the output of intermediate idler 73 are to two gear driven gear 2b of the second input shaft 12,24 gear synchronizer 24c engagements, to first The power of dynamotor 51 can be exported by second gear pair.The first dynamotor 51 is set to select the first gear as a result, from And power is reached wheel by the first dynamotor 51 by the first gear, to realize reversing, specific power transmission line As shown in curve 1 in Figure 14.

Further, according to one embodiment of present invention, when the demand torque of hybrid vehicle be more than it is preset fall When keeping off torque, control hybrid vehicle is run with hybrid power reverse mode, wherein two or four gear synchronizer of control is maintained at pre- If position such as centre position, and control motor power axis synchronizer and stirred to second direction, so that the first dynamotor selects The second gear is selected, while controlling the reverse gear synchronizer in power drive system and being stirred to first direction.

Wherein, a specific example according to the present invention, it can be to stir to the right to be stirred to second direction.

Specifically, as shown in figure 15, when two or four gear synchronizer 24c are kept to centre position, and the synchronization of motor power axis When device 33c moves right, two or four gear synchronizer 24c do not engage the gear driven gear 4b of two gear driven gear 2b and four, motor power Axis synchronizer 33c engagement motor power axis second gear 32, the power of the first dynamotor 51 output passes through motor power axis Second gear 32, the output of transmission gear 6 to the second output shaft 22, power are finally exported to wheel, specifically by the second output shaft 22 Power transmission line such as Figure 15 in shown in curve 2.

When reverse gear synchronizer 74c is moved to the left, the power that engine 4 exports passes through double clutch 2d, the second input shaft 12 reach wheel, i.e. reverse gear synchronizer 74c synchronizes reverse idler gear 72 and intermediate idler 73, the input terminal of double clutch 2d 23d engages second output terminal 22d and is disconnected with the first output end 21d, the power that engine 4 exports by the second input shaft 12, It is exported from reverse gear 71 to wheel after intermediate idler 73, reverse idler gear 72, in specific power transmission line such as Figure 15 Shown in curve 3.

In this way, when the demand torque of hybrid vehicle be more than it is preset reverse gear torque when, two or four gear synchronizer 24c of control Move right to centre position, and control motor power axis synchronizer 33c and move right, meanwhile, control reverse gear synchronizer 74c to It moves left and controls engine 4 and export power.In other words, the power of the first dynamotor passes through motor power axis synchronizer Power is exported the synchronization of motor power axis second gear 32 by 33c from the second output shaft 22, meanwhile, reverse gear synchronizer 74c Synchronous reverse idler gear 72 and intermediate idler 73, the power that engine 4 exports by the second input shaft 12, intermediate idler 73, Reverse idler gear 72 is exported from reverse gear 71, and two parts power is coupled before exporting to wheel, such as should Two parts power can carry out power coupling at the main reducing gear driven gear 74 of vehicle, and the power final output after coupling is given Wheel, to realize mixed dynamic reversing.

It follows that in the present embodiment, when hybrid vehicle reverse travel, if demand torque is less than or equal in advance If the torque that reverses gear, run with pure electric vehicle reverse mode, the first dynamotor selects larger the first gear of speed ratio, to real Now preferable dynamic property；If demand torque is more than the preset torque that reverses gear, engine start assists the first dynamotor to drive Electrical automobile travels, and the gear speed governing of the first dynamotor shifts to the second gear.In this way, the control method of reversing gear of the present embodiment It can realize preferable dynamic property.

Also, when the gear of the first dynamotor switches to the second gear from the first gear, by can to electric machine speed regulation To avoid the influence that can cause power interruption in short-term in shift process, ensure the ride comfort of hybrid vehicle.

According to another embodiment of the invention, when the demand torque of hybrid vehicle is less than or equal to preset torsion of reversing gear When square, control hybrid vehicle is run with pure electric vehicle reverse mode, wherein by controlling motor power axis synchronizer to second Direction is stirred, so that the first dynamotor selects the second gear.

Specifically, as shown in figure 16, when the demand torque of hybrid vehicle be less than or equal to it is preset reverse gear torque when, Controllable motor power axis synchronizer 33c moves right, and in other words, control motor power axis synchronizer 33c engages motor power axis The power of second gear 32, the output of the first dynamotor 51 passes through motor power axis second gear 32, transmission gear 6, second Output shaft 22 is exported to wheel, and the first dynamotor 51 is made to select the second gear as a result, to which the first dynamotor 51 is logical It crosses the second gear and power is reached into wheel.In specific power transmission line such as Figure 16 shown in curve 2.

Further, according to another embodiment of the invention, when the demand torque of hybrid vehicle is more than preset Reverse gear torque when, control hybrid vehicle with hybrid power reverse mode run, wherein pass through control motor power axis synchronize Device is stirred to second direction, so that the first dynamotor selects the second gear, while controlling reversing gear in power drive system Synchronizer is stirred to first direction.

Specifically, as shown in figure 16, when control reverse gear synchronizer 74c is moved to the left, the power that engine 4 exports is logical Cross double clutch 2d, the second input shaft 12 reaches wheel, i.e. reverse gear synchronizer 74c synchronization reverse idler gears 72 and intermediate idler The input terminal 23d of 73, double clutch 2d engage second output terminal 22d and are disconnected with the first output end 21d, what engine 4 exported By being exported from reverse gear 71 after the second input shaft 12, intermediate idler 73, reverse idler gear 72, specific power passes power It passs in route such as Figure 16 shown in curve 3.

In this way, when the demand torque of hybrid vehicle be more than it is preset reverse gear torque when, can control motor power axis same Step device 33c moves right, while controlling reverse gear synchronizer 74c and being moved to the left and control the output power of engine 4.In other words, The power of one dynamotor 51 will be moved by synchronizations of the motor power axis synchronizer 33c to motor power axis second gear 32 Power is exported from the second output shaft 22, meanwhile, reverse gear synchronizer 74c synchronizes reverse idler gear 72 and intermediate idler 73, engine 4 The power of output is exported by the second input shaft 12, intermediate idler 73, reverse idler gear 72 from reverse gear 71, and two parts are dynamic Power is coupled before exporting to wheel, such as two parts power can be in the main reducing gear driven gear 74 of vehicle Place carries out power coupling, and the power final output after coupling is to wheel, to realize mixed dynamic reversing.

It follows that in the present embodiment, when hybrid vehicle reverse travel, if demand torque is less than or equal in advance If the torque that reverses gear, run with pure electric vehicle reverse mode, smaller the second gear of the first dynamotor selection speed, to, Dynamic property is weaker；If demand torque is more than the preset torque that reverses gear, engine start is to assist the first dynamotor to drive Running car.In this way, the control method of reversing gear of the present embodiment is without shift, power can realize preferable smooth-going without interruption Property, control it is simple, still, when in reversing process, since the gear of the first dynamotor is in the second gear, dynamic property compared with It is weak, while the first dynamotor operates in the lower uneconomical region of rotating speed, reduces the economy of automobile.

According to still another embodiment of the invention, when the demand torque of hybrid vehicle is less than or equal to preset torsion of reversing gear When square, control hybrid vehicle is run with pure electric vehicle reverse mode, wherein and the first dynamotor also has reverse gear, And it is stirred to first direction by controlling the reverse gear synchronizer in motor power axis synchronizer and power drive system, so that the One dynamotor selects reverse gear.

Specifically, as shown in figure 17, when the demand torque of hybrid vehicle be less than or equal to it is preset reverse gear torque when, Controllable motor power axis synchronizer 33c and reverse gear synchronizer 74c are moved to the left.In other words, motor power axis synchronizer is controlled The reverse idler gear 72 synchronous with motor power axis first gear 31, reverse gear synchronizer 74c of 33c synchronous motors line shaft 3 and in Between idle pulley 73, the power of the first dynamotor 51 output passes through motor power axis 3, motor power axis first gear 31, intermediate It is exported from reverse gear 71 after idle pulley 73, reverse idler gear 72.The first dynamotor 51 is set to select reverse gear as a result, To which power is reached wheel by the first dynamotor 51 by reverse gear.Curve in specific power transmission line such as Figure 17 Shown in 4.

Further, according to still another embodiment of the invention, when the demand torque of hybrid vehicle is more than preset Reverse gear torque when, control hybrid vehicle with hybrid power reverse mode run, wherein pass through control motor power axis synchronize Device and reverse gear synchronizer are stirred to first direction, so that the first dynamotor selects reverse gear, while it is defeated to control engine Go out power.

Specifically, as shown in figure 17, when controlling the output power of engine 4, reverse gear synchronizer 74c synchronizes centre of reversing gear The input terminal 23d of gear 72 and intermediate idler 73, double clutch 2d engages second output terminal 22d and breaks with the first output end 21d Open, engine 4 export power by after the second input shaft 12, intermediate idler 73, reverse idler gear 72 from reverse gear 71 It exports, in specific power transmission line such as Figure 17 shown in curve 3.

In this way, when the demand torque of hybrid vehicle be more than it is preset reverse gear torque when, can control motor power axis same Step device 33c and reverse gear synchronizer 74c is moved to the left, while being controlled engine 4 and being exported power.In other words, motor power axis synchronizes 3 72 and of reverse idler gear synchronous with motor power axis first gear 31, reverse gear synchronizer 74c of device 33c synchronous motors line shaft Intermediate idler 73, the power that engine 4 exports are exported by the second input shaft 12 to intermediate idler 73, the first dynamotor 51 The power of output is by motor power axis 3, the output of motor power axis first gear 31 to intermediate idler 73, and two parts power is in Between couple at idle pulley 73 after exported again from reverse gear 71 by reverse idler gear 72.

It follows that in the present embodiment, when hybrid vehicle reverse travel, if demand torque is less than or equal in advance If the torque that reverses gear, run with pure electric vehicle reverse mode, the first dynamotor selects the larger reverse gear of speed ratio, to, Dynamic property is preferable；If demand torque is more than the preset torque that reverses gear, engine start is to assist the first dynamotor to drive Running car.In this way, the dynamotor of the control method of reversing gear of the present embodiment and the speed ratio of engine are all larger, avoid low The uneconomical region of rotating speed, while not being related to speed governing shift during entire control, power can realize preferable warp without interruption Ji property, dynamic property and ride comfort, control is simple, and function, which is realized, to be easy, and has best control effect.

To sum up, the control method of reversing gear of the hybrid vehicle proposed according to embodiments of the present invention, in hybrid vehicle When reverse travel, the demand torque of hybrid vehicle is judged, and according to the demand torque of hybrid vehicle to power transmission System, which is controlled, to be run with controlling hybrid vehicle with pure electric vehicle reverse mode or hybrid power reverse mode, to, When controlling hybrid vehicle reverse travel, dynamic property, economy and control difficulty can be taken into account, is provided to the user more Good reversing experience.

The embodiment of the present invention also proposes a kind of power drive system for the hybrid vehicle executing the control method.This is mixed Close power vehicle power drive system include：It is engine, multiple input axis, multiple output shafts, motor power axis, first electronic Generator and control module.

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；Control module exists The demand torque of hybrid vehicle is judged when hybrid vehicle reverse travel, and according to the demand torque of hybrid vehicle Power drive system is controlled and is transported with pure electric vehicle reverse mode or hybrid power reverse mode with controlling hybrid vehicle Row.

A specific embodiment according to the present invention, control module may include electric machine controller and motion control unit, In, it is communicated with each other by the communication network of hybrid vehicle between electric machine controller and motion control unit.

According to one embodiment of present invention, motor power axis is also arranged to be able to link with one in output shaft, One in motor power axis and output shaft when being linked, the first dynamotor the power of generation can be passed through output shaft One output；Power drive system further includes：Motor power axis synchronizer, motor power axis synchronizer are arranged in motor power On axis, motor power axis is arranged to selectively link with one of input shaft by the synchronization of motor power axis synchronizer An or linkage with output shaft.

Further, the power drive system of hybrid vehicle according to an embodiment of the invention, feature exist In further including：Motor power axis first gear and motor power axis second gear, motor power axis first gear and motor power The equal sky of axis second gear is set on motor power axis, and motor power axis first gear is arranged to a progress with input shaft Linkage, motor power axis second gear are arranged to link with one of output shaft；Motor power axis synchronizer is arranged in electricity Between mechanomotive force axis first gear and motor power axis second gear.

Wherein, according to one embodiment of present invention, the first dynamotor has the first gear and the second gear, In, motor power axis synchronizer is engaging switching with one in motor power axis first gear and motor power axis second gear For during being engaged with another, the first dynamotor is arranged to the second tooth of motor power axis first gear and motor power axis Another rotating speed in wheel is that target carries out speed governing to motor power axis, so that the gear of the first dynamotor is in first gear It is switched between position and the second gear.

The power drive system of the hybrid vehicle of the embodiment of the present invention is described in detail referring to four embodiments.

According to one embodiment of present invention, when the demand torque of hybrid vehicle is less than or equal to the preset torque that reverses gear When, electric machine controller is controlled hybrid vehicle and is run with pure electric vehicle reverse mode, wherein motion control unit controls power and passes Two or four gear synchronizers and motor power axis synchronizer in dynamic system are stirred to first direction, so that electric machine controller control first Dynamotor selects the first gear.

Further, according to one embodiment of present invention, when the demand torque of hybrid vehicle be more than it is preset fall When keeping off torque, electric machine controller is controlled hybrid vehicle and is run with hybrid power reverse mode, wherein motion control unit control It makes the second synchronizer and is maintained at predeterminated position, and control motor power axis synchronizer and stirred to second direction, so that motor controls Device controls the first dynamotor and selects the second gear, while motion control unit also controls reversing gear together in power drive system Step device is stirred to first direction.

According to another embodiment of the invention, when the demand torque of hybrid vehicle is less than or equal to preset torsion of reversing gear When square, electric machine controller is controlled hybrid vehicle and is run with pure electric vehicle reverse mode, wherein motion control unit controls motor Line shaft synchronizer is stirred to second direction, so that electric machine controller controls the first dynamotor and selects the second gear.

Further, according to another embodiment of the invention, when the demand torque of hybrid vehicle is more than preset Reverse gear torque when, electric machine controller control hybrid vehicle with hybrid power reverse mode run, wherein motion control unit Control motor power axis synchronizer is stirred to second direction, so that the first dynamotor selects the second gear, while being driven control Reverse gear synchronizer in unit control power drive system processed is stirred to first direction.

According to still another embodiment of the invention, when the demand torque of hybrid vehicle is less than or equal to preset torsion of reversing gear When square, electric machine controller is controlled hybrid vehicle and is run with pure electric vehicle reverse mode, wherein the first dynamotor also has Reverse gear, and the reverse gear synchronizer in motion control unit control motor power axis synchronizer and power drive system is to the One direction is stirred, so that electric machine controller controls the first dynamotor and selects reverse gear.

Further, according to still another embodiment of the invention, when the demand torque of hybrid vehicle is more than preset Reverse gear torque when, electric machine controller control hybrid vehicle with hybrid power reverse mode run, wherein motion control unit Control motor power axis synchronizer and reverse gear synchronizer are stirred to first direction, the gear so that selection of the first dynamotor is reversed gear Position, while electric machine controller controls engine output power.

To sum up, the power drive system of the hybrid vehicle proposed according to embodiments of the present invention, in hybrid vehicle When reverse travel, the demand torque of hybrid vehicle is judged, and according to the demand torque of hybrid vehicle to power transmission System, which is controlled, to be run with controlling hybrid vehicle with pure electric vehicle reverse mode or hybrid power reverse mode, to, When controlling hybrid vehicle reverse travel, dynamic property, economy and control difficulty can be taken into account, is provided to the user more Good reversing experience.

The invention also provides a kind of hybrid vehicles, include the power drive system of above-mentioned hybrid vehicle.

The hybrid vehicle proposed according to embodiments of the present invention can take into account dynamic property, economy in reversing process And control difficulty, provide preferably reversing experience to the user.

In the description of the present invention, it is to be understood that, term "center", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on ... shown in the drawings or Position relationship is merely for convenience of description of the present invention and simplification of the description, and does not indicate or imply the indicated device or element must There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.

In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three It is a etc., unless otherwise specifically defined.

In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc. Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；Can be that machinery connects It connects, can also be electrical connection；It can be directly connected, can also can be indirectly connected through an intermediary in two elements The interaction relationship of the connection in portion or two elements, unless otherwise restricted clearly.For those of ordinary skill in the art For, the specific meanings of the above terms in the present invention can be understood according to specific conditions.

In the present invention unless specifically defined or limited otherwise, fisrt feature can be with "above" or "below" second feature It is that the first and second features are in direct contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be One feature is directly under or diagonally below the second feature, or is merely representative of fisrt feature level height and is less than second feature.

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 It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office It can be combined in any suitable manner in one or more embodiments or example.In addition, without conflicting with each other, the skill of this field Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples It closes and combines.

Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned Embodiment is changed, changes, replacing and modification.

Claims (13)

1. a kind of control method of reversing gear of hybrid vehicle, which is characterized in that the powertrain of the hybrid vehicle System includes engine, multiple input axis, multiple output shafts, motor power axis and the first dynamotor, wherein the engine It is arranged to be selectively engageable at least one of the multiple input shaft, gear is provided on each input shaft actively Gear is each provided with gear driven gear, the gear driven gear and the gear driving gear pair on the output shaft It engages with answering, the motor power axis is arranged to link with one in the input shaft, and first dynamotor is set Being set to can link with the motor power axis, and one progress in the motor power axis and the input shaft When linkage, first dynamotor can utilize at least partly power exported from the engine dynamic in the mixing It generates electricity when power running car and parking, the control method of reversing gear includes the following steps：

In the hybrid vehicle reverse travel, the demand torque of the hybrid vehicle is judged；

The power drive system is controlled according to the demand torque of the hybrid vehicle dynamic to control the mixing Power automobile is run with pure electric vehicle reverse mode or hybrid power reverse mode；

Wherein, when the demand torque of the hybrid vehicle be less than or equal to it is preset reverse gear torque when, it is dynamic to control the mixing Power automobile is run with the pure electric vehicle reverse mode；

When the demand torque of the hybrid vehicle be more than it is described it is preset reverse gear torque when, control the hybrid vehicle It is run with the hybrid power reverse mode.

2. the control method of reversing gear of hybrid vehicle as described in claim 1, which is characterized in that first dynamoelectric and power generation Machine has the first gear and the second gear, wherein the power drive system further includes motor power axis synchronizer, motor power Axis first gear and motor power axis second gear, the motor power axis synchronizer with the motor power axis first gear It is switched to an engagement in the motor power axis second gear during being engaged with another, first dynamotor Be arranged to be with another rotating speed described in the motor power axis first gear and the motor power axis second gear Target carries out speed governing to the motor power axis, so that the gear of first dynamotor is in first gear and described It is switched between second gear.

3. the control method of reversing gear of hybrid vehicle as claimed in claim 2, which is characterized in that

When the demand torque of the hybrid vehicle be less than or equal to it is preset reverse gear torque when, control the hybrid vehicle It is run with the pure electric vehicle reverse mode, wherein by controlling two or four gear synchronizers in the power drive system and described Motor power axis synchronizer is stirred to first direction, so that first dynamotor selects first gear；

When the demand torque of the hybrid vehicle be more than it is described it is preset reverse gear torque when, control the hybrid vehicle It is run with the hybrid power reverse mode, wherein control two or the four gear synchronizer is maintained at predeterminated position, and described in control Motor power axis synchronizer is stirred to second direction, so that first dynamotor selects second gear, same to time control The reverse gear synchronizer made in the power drive system is stirred to first direction.

4. the control method of reversing gear of hybrid vehicle as claimed in claim 2, which is characterized in that

When the demand torque of the hybrid vehicle be less than or equal to it is preset reverse gear torque when, control the hybrid vehicle It is run with the pure electric vehicle reverse mode, wherein it is stirred to second direction by controlling the motor power axis synchronizer, so that First dynamotor selects second gear；

When the demand torque of the hybrid vehicle be more than it is described it is preset reverse gear torque when, control the hybrid vehicle It is run with the hybrid power reverse mode, wherein it is stirred to second direction by controlling the motor power axis synchronizer, with So that first dynamotor is selected second gear, at the same control the reverse gear synchronizer in the power drive system to First direction is stirred.

5. the control method of reversing gear of hybrid vehicle as claimed in claim 2, which is characterized in that

When the demand torque of the hybrid vehicle be less than or equal to it is preset reverse gear torque when, control the hybrid vehicle It is run with the pure electric vehicle reverse mode, wherein first dynamotor also has reverse gear, and by controlling institute The reverse gear synchronizer stated in motor power axis synchronizer and the power drive system is stirred to first direction, so that described first Dynamotor selects the reverse gear；

When the demand torque of the hybrid vehicle be more than it is described it is preset reverse gear torque when, control the hybrid vehicle It is run with the hybrid power reverse mode, wherein by controlling the motor power axis synchronizer and the reverse gear synchronizer It is stirred to first direction, so that first dynamotor selects the reverse gear, while controlling the engine output Power.

6. 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；

Control module, the control module judge the need of the hybrid vehicle in the hybrid vehicle reverse travel Torque is sought, and the power drive system is controlled according to the demand torque of the hybrid vehicle to control described mix Power vehicle is closed to run with pure electric vehicle reverse mode or hybrid power reverse mode；

Wherein, when the demand torque of the hybrid vehicle be less than or equal to it is preset reverse gear torque when, it is dynamic to control the mixing Power automobile is run with the pure electric vehicle reverse mode；

When the demand torque of the hybrid vehicle be more than it is described it is preset reverse gear torque when, control the hybrid vehicle It is run with the hybrid power reverse mode.

7. the power drive system of hybrid vehicle as claimed in claim 6, which is characterized in that the motor power axis is also Be arranged to one in output shaft linkage, 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.

8. the power drive system of hybrid vehicle as claimed in claim 6, 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.

9. the power drive system of hybrid vehicle as claimed in claim 8, which is characterized in that first dynamoelectric and power generation Machine have the first gear and the second gear, wherein the motor power axis synchronizer with the motor power axis first gear It is switched to an engagement in the motor power axis second gear during being engaged with another, first dynamotor Be arranged to be with another rotating speed described in the motor power axis first gear and the motor power axis second gear Target carries out speed governing to the motor power axis, so that the gear of first dynamotor is in first gear and described It is switched between second gear.

10. the power drive system of hybrid vehicle as claimed in claim 9, which is characterized in that

When the demand torque of the hybrid vehicle be less than or equal to it is preset reverse gear torque when, the motor control of the control module Device processed is controlled the hybrid vehicle and is run with the pure electric vehicle reverse mode, wherein the transmission of the control module controls Unit control in the power drive system two or four gear synchronizers and the motor power axis synchronizer stirred to first direction, So that the electric machine controller controls first dynamotor and selects first gear；

When the demand torque of the hybrid vehicle be more than it is described it is preset reverse gear torque when, the motor control of the control module Device processed is controlled the hybrid vehicle and is run with the hybrid power reverse mode, wherein the transmission control of the control module Unit control two or the four gear synchronizer processed is maintained at predeterminated position, and controls the motor power axis synchronizer to second direction It stirs, so that the electric machine controller controls first dynamotor and selects the second gear, while transmission control is single The reverse gear synchronizer that member also controls in the power drive system is stirred to first direction.

11. the power drive system of hybrid vehicle as claimed in claim 9, which is characterized in that

When the demand torque of the hybrid vehicle be less than or equal to it is preset reverse gear torque when, the motor control of the control module Device processed is controlled the hybrid vehicle and is run with the pure electric vehicle reverse mode, wherein the transmission of the control module controls Unit controls the motor power axis synchronizer and is stirred to second direction, so that electric machine controller control described first is electronic Generator selects second gear；

When the demand torque of the hybrid vehicle be more than it is described it is preset reverse gear torque when, the motor control of the control module Device processed is controlled the hybrid vehicle and is run with the hybrid power reverse mode, wherein the transmission control of the control module Unit processed controls the motor power axis synchronizer and is stirred to second direction, so that first dynamotor selection described the Two gears, while the reverse gear synchronizer that the motion control unit controls in the power drive system is stirred to first direction.

12. the power drive system of hybrid vehicle as claimed in claim 9, which is characterized in that

When the demand torque of the hybrid vehicle be less than or equal to it is preset reverse gear torque when, the motor control of the control module Device processed is controlled the hybrid vehicle and is run with the pure electric vehicle reverse mode, wherein first dynamotor also has There is reverse gear, and the motion control unit of the control module controls the motor power axis synchronizer and the power passes Reverse gear synchronizer in dynamic system is stirred to first direction, so that the electric machine controller controls the first dynamotor choosing Select the reverse gear；

When the demand torque of the hybrid vehicle be more than it is described it is preset reverse gear torque when, the motor control of the control module Device processed is controlled the hybrid vehicle and is run with the hybrid power reverse mode, wherein the transmission control of the control module Unit processed controls the motor power axis synchronizer and the reverse gear synchronizer is stirred to first direction, so that described first is electronic Generator selects the reverse gear, while the electric machine controller controls the engine output power.

13. a kind of hybrid vehicle, which is characterized in that include the hybrid power vapour as described in any one of claim 6-12 The power drive system of vehicle.