CN103465778A - Power transmission mechanism and hybrid electric vehicle - Google Patents
Power transmission mechanism and hybrid electric vehicle Download PDFInfo
- Publication number
- CN103465778A CN103465778A CN2013104379741A CN201310437974A CN103465778A CN 103465778 A CN103465778 A CN 103465778A CN 2013104379741 A CN2013104379741 A CN 2013104379741A CN 201310437974 A CN201310437974 A CN 201310437974A CN 103465778 A CN103465778 A CN 103465778A
- Authority
- CN
- China
- Prior art keywords
- diff
- input end
- motor
- counter drive
- drive shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention discloses a power transmission mechanism and a hybrid electric vehicle. The power transmission mechanism provided by the invention comprises at least two differentials, at least one engine and at least one motor, wherein the at least two differentials are mutually coupled and are connected with the at least one engine and the at least one motor. Since the at least two differentials are mutually coupled and are connected with the at least one engine and the at least one motor, the revolving speed coupling between the engine and the motor can be realized and the power coupling is realized through the revolving speed coupling. The hybrid electric vehicle provided by the invention comprises the power transmission mechanism.
Description
Technical field
The present invention relates to the power transmission technology, particularly a kind of Power train and a kind of hybrid vehicle of applying this Power train.
Background technology
In such as power drive devices such as hybrid vehicles, generally include these two kinds of power parts of motor (hereinafter referred to as motor) of piston type internal combustion engine (hereinafter referred to as driving engine) and four quadrant running, now, will there is the demand of the power coupling of driving engine and motor.
Summary of the invention
In view of this, a kind of hybrid vehicle that the invention provides a kind of Power train and apply this Power train.
A kind of Power train provided by the invention comprises:
At least two difies;
At least one driving engine;
At least one motor;
Wherein, at least two difies intercouple and connect at least one driving engine and at least one motor.
Alternatively, in above-mentioned Power train, diff is two and comprises an input end diff and a mouth diff, and input end diff and mouth diff include a main driving axle and two counter drive shafts; Wherein, the main driving axle of mouth diff is connected with the main driving axle of input end diff.
Alternatively, in above-mentioned Power train, each counter drive shaft of input end diff connects respectively a driving engine; One of them counter drive shaft of mouth diff connects a driving engine, another counter drive shaft connects a motor.
Alternatively, in above-mentioned Power train, one of them counter drive shaft of input end diff connects a driving engine, another counter drive shaft connects a motor; Two counter drive shafts of mouth diff all connect the wheel of automobile.
Alternatively, in above-mentioned Power train, diff is more than two and comprise at least two input end difies and a mouth diff, and input end diff and mouth diff include a main driving axle and two counter drive shafts; Wherein, at least two input end diff concatenated in order, the main driving axle that is positioned at an input end diff of cascade head end is connected with the main driving axle of mouth diff, and the main driving axle of remaining each input end diff is connected with the counter drive shaft of the input end diff of upper class.
Alternatively, in above-mentioned Power train, each counter drive shaft that is positioned at an input end diff of cascade tail end connects respectively a driving engine, and one of them counter drive shaft of remaining each input end diff connects the input end diff of a driving engine, another counter drive shaft cascade next stage; One of them counter drive shaft of mouth diff connects a driving engine, another counter drive shaft connects a motor.
Alternatively, in above-mentioned Power train, each counter drive shaft that is positioned at an input end diff of cascade tail end connects respectively a driving engine or motor, the input end diff of one of them driving engine of counter drive shaft connection of remaining each input end diff or motor, another counter drive shaft cascade next stage; Two counter drive shafts of mouth diff are all as input shaft and connect wheel.
Alternatively, in above-mentioned Power train, the input end diff is two, a counter drive shaft that is positioned at an input end diff of cascade tail end connects a driving engine, another counter drive shaft connects a motor, is positioned at motor of a counter drive shaft connection of an input end diff of cascade head end, the main driving axle that another counter drive shaft connects the input end diff that is positioned at the cascade tail end.
Alternatively, in above-mentioned Power train, a counter drive shaft of the main driving axle of input end diff and connection motor is controlled by drg.
A kind of hybrid vehicle provided by the invention, comprise Power train as above.
As can be seen here, the present invention intercouples at least two difies connect at least one driving engine and at least one motor, thereby can realize that the rotating speed coupling between driving engine and motor the mode be coupled by rotating speed realize the power coupling.
The accompanying drawing explanation
The principle structure figure that Fig. 1 is diff;
The schematic diagram that Fig. 2 is a kind of diff coupled structure of adopting of the Power train in the embodiment of the present invention;
The structural representation that Fig. 3 is a kind of Power train based on the diff coupled structure realizes as shown in Figure 2;
The structural representation that Fig. 4 is the another kind of Power train based on the diff coupled structure realizes as shown in Figure 2;
The schematic diagram that Fig. 5 is the another kind of diff coupled structure that adopts of the Power train in the embodiment of the present invention;
The structural representation that Fig. 6 is a kind of Power train based on the diff coupled structure realizes as shown in Figure 5;
The structural representation that Fig. 7 is a kind of Power train based on the diff coupled structure realizes as shown in Figure 5.
The specific embodiment
For making purpose of the present invention, technical scheme and advantage clearer, referring to the accompanying drawing embodiment that develops simultaneously, the present invention is described in more detail.
Power train in the present embodiment comprises at least two difies, at least one driving engine, at least one motor; Wherein, at least two difies intercouple and connect at least one driving engine and at least one motor.Therefore, the present embodiment can utilize the diff intercoupled to realize that the rotating speed coupling between driving engine and motor the mode be coupled by rotating speed realize the power coupling.
Refer to Fig. 1, diff generally includes: a cone gear 11, the conical surface gear frame 12 with the cone gear engagement, with conical surface gear frame 12 engagement and two planetary wheels 13 being oppositely arranged, and, two sun gears 14 that are engaged between two planetary wheels 13 and are oppositely arranged, wherein, a transmission shaft that connects cone gear 11 is main driving axle 10y, and two transmission shafts that connect sun gear 14 are counter drive shaft 10x1 and 10x2.
The main driving axle 10y of diff and the rotation speed relation between counter drive shaft 10x1 and 10x2 meet:
（N
X1+N
X2）/2=N
Y
Wherein, N
x1rotating speed, N for counter drive shaft 10x1
x2rotating speed, N for counter drive shaft 10x2
yrotating speed for main driving axle 10y.
Correspondingly, in the present embodiment, each diff in Power train is during with the mode transmit machine power of rotating speed coupling, can select any two transmission shafts (main driving axle 10y and counter drive shaft 10x1, main driving axle 10y and counter drive shaft 10x2, or two counter drive shaft 10x1 and 10x2) as input shaft, another transmission shaft (main driving axle 10a or counter drive shaft 10x1 or counter drive shaft 10x2) is as output shaft, also can select any one transmission shaft as input shaft (main driving axle 10a or counter drive shaft 10x1 or counter drive shaft 10x2), another two transmission shafts (main driving axle 10y and counter drive shaft 10x1, main driving axle 10y and counter drive shaft 10x2, or two counter drive shaft 10x1 and 10x2) as output shaft.
Thereby, by pass through main driving axle 10y and counter drive shaft 10x1 and the 10x2 connection in the combination in any mode between each diff, can realize the rotating speed coupling.
It should be noted that, in the prior art, main driving axle 10a can only and connect power part as input shaft, and two counter drive shaft 10b all can only and connect wheel as output shaft, to realize the differential speed rotation of two wheels under power part drives.But in the present embodiment, because the effect of diff is not limited to traditional dual wheels differential, therefore, main driving axle 10a both can be used as input shaft, also can be used as output shaft, similarly, counter drive shaft 10b both can be used as input shaft, also can be used as output shaft.
Below, then in conjunction with Fig. 2～Fig. 7, the Power train in the present embodiment is further described.
At first, Power train comprises that two difies are that example describes.
Referring to Fig. 2, Power train comprises an input end diff 20-1 and a mouth diff 20-0, and input end diff 20-1 comprises a main driving axle and two counter drive shafts, mouth diff 20-0 comprises a main driving axle and two counter drive shafts, wherein, the main driving axle of mouth diff 20-0 is connected with the main driving axle of input end diff 20-1.
Refer to Fig. 3 while in conjunction with Fig. 2, two counter drive shafts of input end diff 20-1 are connecting engine M1 and M2 respectively, and one of them counter drive shaft connecting engine M3 of mouth diff 20-0, another counter drive shaft connect motor E0.
Structure based on as shown in Figure 3,3 driving engine M1～M3 just can form the power generating system to motor E1.Now, two counter drive shafts of input end diff 20-1 are all as input shaft, the counter drive shaft of mouth diff 20-0 connecting engine M3 as input shaft, connect another counter drive shaft of motor E1 as output shaft.
In practical application, the driving engine that can start any amount in this power generating system generates electricity and carrys out drive motor E1 with this motor E1, thereby can realize different power comformabilitys, and can not cause because of the damage of a certain driving engine generating stop, to guarantee the robustness of power generating system.
Refer to Fig. 4 while in conjunction with Fig. 2, one of them counter drive shaft of input end diff 20-1 connects a driving engine M1, another counter drive shaft connects a motor E1, and two counter drive shafts of mouth diff 20-0 are all as input shaft and connect the wheel of automobile.
Structure based on as shown in Figure 4, driving engine M1 and motor E1 have just formed for driving the Power train of hybrid vehicle.
In practical application, can start driving engine M1 and/or motor E1 in this hybrid power system, with this, realize the drive pattern that hybrid vehicle is different.
In addition, for the ease of realization and the switching of above-mentioned various drive patterns, the counter drive shaft of the main driving axle of input end diff 20-1 and connection motor E1 can be controlled by respectively drg B1 and B2:
B1 discharges, B2 realizes pure engine mode while braking, driving engine M1 drives separately vehicle operating, now, input end diff 20-1 and mouth diff 20-0 coupling, the counter drive shaft of input end diff 20-1 connecting engine M1 as the main driving axle of input shaft, input end diff 20-1 as output shaft, the main driving axle of mouth diff 20-0 as input shaft, two counter drive shafts as output shaft;
B1 discharges, B2 realizes electric-only mode while discharging, driving engine M1 (self-locking) out of service, motor E1 drives separately vehicle operating, now, input end diff 20-1 and mouth diff 20-0 coupling, the counter drive shaft that input end diff 20-1 connects motor E1 as the main driving axle of input shaft, input end diff 20-1 as output shaft, the main driving axle of mouth diff 20-0 as input shaft, two counter drive shafts as output shaft;
B1 discharges, B2 realizes mixed mode while discharging, driving engine M1 and motor E1 drive vehicle operating jointly, now, input end diff 20-1 and mouth diff 20-0 coupling, two counter drive shafts of input end diff 20-1 all as the main driving axle of input shaft, input end diff 20-1 as output shaft, the main driving axle of mouth diff 20-0 as input shaft, two counter drive shafts as output shaft;
B1 discharges, B2 realizes low-speed mode while discharging, driving engine M1 drive motor E1 generates electricity, is with simultaneously the motor vehicle low cruise, now, input end diff 20-1 and mouth diff 20-0 coupling, the counter drive shaft of input end diff 20-1 connecting engine M1 connects the counter drive shaft of motor E1 and main driving axle all as output shaft as input shaft, input end diff 20-1, the main driving axle of mouth diff 20-0 as input shaft, two counter drive shafts as output shaft;
B1 braking, B2 realize start-up mode while discharging, motor E1 carrys out start the engine M1 as starter, now, the coupling of input end diff 20-1 and mouth diff 20-0 disconnects, the counter drive shaft that input end diff 20-1 connects motor E1 as the counter drive shaft of input shaft, connecting engine M1 as output shaft;
B1 braking, B2 realize idling mode while discharging, driving engine M1 drive motor E1 generating, now, the coupling of input end diff 20-1 and mouth diff 20-0 disconnects, the counter drive shaft of input end diff 20-1 connecting engine M1 as input shaft, connect the counter drive shaft of motor E1 as output shaft;
B1 discharges, B2 realizes moment braking energy take-back model while discharging, wheel is braked, the drive motor E1 generating simultaneously of driving engine M1 and wheel, now, input end diff 20-1 and mouth diff 20-0 coupling, two counter drive shafts of mouth diff 20-0 are as input shaft, main driving axle as output shaft, and the counter drive shaft of the main driving axle of input end diff 20-1 and input end diff 20-1 connecting engine M1 all connects the counter drive shaft of motor E as output shaft as input shaft, input end diff 20-1;
B1 discharges, B2 realizes while discharging that long slow energy reclaims, driving engine M1 (self-locking) out of service, wheel drive motors E1 generating, now, input end diff 20-1 and mouth diff 20-0 coupling, two counter drive shafts of mouth diff 20-0 are as input shaft, main driving axle as output shaft, and the main driving axle of input end diff 20-1 connects the counter drive shaft of motor E as output shaft as input shaft, input end diff 20-1;
B1 discharges, B2 realizes the Jake brake pattern while braking, driving engine M1 linked wheel to wheel decelerates, now, input end diff 20-1 and mouth diff 20-0 coupling, the counter drive shaft of input end diff 20-1 connecting engine M1 as the main driving axle of input shaft, input end diff 20-1 as output shaft, the main driving axle of mouth diff 20-0 as input shaft, two counter drive shafts as output shaft.
Due to driving engine M1 often only a few operation point in its full-throttle characteristics can produce high efficiency, motor E1 has broad efficient district, therefore, the several modes that driving engine M1 and motor E1 move simultaneously can make that driving engine M1 is constant remains on the work of high efficiency point, can make up by motor E1 the deficiency of driving engine M1 like this.
Certainly, the diff of power drive system also can be more than two.
Referring to Fig. 5, Power train comprises at least two input end diff 50-1～50-m and a mouth diff 50-0, wherein, at least two input end diff 50-1～50-m concatenated in order, the main driving axle that is positioned at an input end diff 50-1 of cascade head end is connected with the main driving axle of mouth diff 50-0, the input end diff 50-(i-1 of the main driving axle of remaining each input end diff 50-i and upper class) a counter drive shaft be connected.M is more than or equal to 2 positive integer, i to be greater than 1 and be less than or equal to the positive integer of m.Like this, utilize m input end diff and 1 mouth diff, be total to m+1 diff, can realize at most the coupling of m+3 power part.
In practical application, each counter drive shaft that is positioned at an input end diff 50-m of cascade tail end connects respectively a driving engine, remaining input terminal diff 50-1～50-(m-1) in, the counter drive shaft of each connects a driving engine, another counter drive shaft cascade next stage, and one of them counter drive shaft of mouth diff 50-0 connects a driving engine, another counter drive shaft connects a motor.Like this, can produce and the effect that structure is identical as shown in Figure 3, and, than structure as shown in Figure 3 also realized power part the quantity expansion, and further improve power comformability and robustness.
Perhaps, each counter drive shaft that is positioned at an input end diff 50-m of cascade tail end connects respectively a driving engine or motor, remaining input terminal diff 50-1～50-(m-1) in, the counter drive shaft of each connects the input end diff of a driving engine or motor, another counter drive shaft cascade next stage, and two counter drive shafts of mouth diff are all as input shaft and connect wheel.Like this, can produce and the effect that structure is identical as shown in Figure 4, and, than structure as shown in Figure 4 also realized power part the quantity expansion, and further improved the variety of drive pattern.
Refer to Fig. 6 while in conjunction with Fig. 5, the m of take gets 2 as example, each counter drive shaft that is positioned at an input end diff 50-2 of cascade tail end connects respectively a driving engine M4 and M3, one of them counter drive shaft that is positioned at another input end diff 50-1 of cascade head end connects the input end diff 50-2 of a driving engine M2, another its next stage of counter drive shaft cascade, and one of them counter drive shaft of mouth diff 50-0 connects a driving engine M1, another counter drive shaft connects a motor E1.
Structure based on as shown in Figure 6,4 driving engine M1～M4 just can form the power generating system to motor E1, and, utilize 2 input end difies and 1 mouth diff, totally 3 difies, realized 4 driving engine M1～M4 and 1 motor E1 coupling of totally 5 power parts.Now, the counter drive shaft of input end diff 50-1 and 50-2 is all as input shaft, the counter drive shaft of mouth diff 50-0 connecting engine M3 as input shaft, connect another counter drive shaft of motor E1 as output shaft.
In practical application, with Fig. 3 in like manner, the driving engine that can start any amount in this power generating system generates electricity and carrys out drive motor E1 with this motor E1, thereby can realize different power comformabilitys, and can not cause because of the damage of a certain driving engine generating stop, to guarantee the robustness of power generating system.
Refer to Fig. 7 while in conjunction with Fig. 5, the m of take gets 2 as example, a counter drive shaft that is positioned at an input end diff 50-2 of cascade tail end connects a driving engine M1, another counter drive shaft connects a motor E2, be positioned at motor E1 of a counter drive shaft connection of an input end diff 50-1 of cascade head end, the main driving axle that another counter drive shaft connects the input end diff 50-2 that is positioned at the cascade tail end, two counter drive shafts of mouth diff 50-0 connect wheels.
Structure based on as shown in Figure 7, driving engine M1 and motor E1 and E2 have just formed for driving the Power train of hybrid vehicle.
In practical application, can start driving engine M1 in this hybrid power system and any one or combination in any in motor E1 and E3, with this, realize the drive pattern that hybrid vehicle is different.And, for the ease of realization and the switching of various drive patterns, the main driving axle of input end diff 50-2, input end diff 50-1 connect the counter drive shaft of motor E1 and the counter drive shaft of input end diff 50-2 connection motor E2 can be controlled by respectively drg B0 and B1 and B2.
Because structure as shown in Figure 7 is a kind of preferred Power train that is applicable to hybrid vehicle, therefore, the present embodiment provides a kind of power transmission control method, realization and switching in order to control various drive patterns for this Power train, below this power transmission control method is elaborated.
1), when hybrid vehicle triggers pure engine mode, control engine M1 moves and is coupled by input end diff 50-2 and input end diff 50-1, and control motor E1 and E2 out of service, and the coupling that disconnects motor E1 and coupling, disconnection motor E2 and the input end diff 50-1 of input end diff 50-1.Specifically:
Control engine M1 operation, motor E1 and E2 are out of service, and control B0 release, B1 and B2 and brake, so that input end diff 50-2 and input end diff 50-1 intercouple, motor E2 and input end diff 50-2 disconnect coupling, motor E1 disconnects coupling with input end diff 50-1, thereby drive to the rotating speed driving wheel of input end diff 50-1 and make vehicle operating by input diff 50-2 by driving engine M1.
2), when hybrid vehicle triggers electric-only mode, control engine M1 (self-locking) out of service, and control motor E1 and input end diff 50-1 is coupled and/or motor E2 is coupled by input end diff 50-2 and input end diff 50-1.Specifically:
Control engine M1 (self-locking) out of service, motor E1 move, motor E2 is out of service, and control B0 and B2 braking, B1 discharge, so that input end diff 50-2 and input end diff 50-1 disconnection coupling, motor E2 and input end diff 50-2 disconnect coupling, motor E1 and input end diff 50-1 coupling, thereby drive to the rotating speed driving wheel of input end diff 50-1 and make vehicle operating by motor E1;
Perhaps, control engine M1 (self-locking) out of service, motor E1 are out of service, motor E2 operation, and control B0 and B2 discharges, the B1 braking, so that motor E2 and input end diff 50-2 are coupled, input end diff 50-2 and input end diff 50-1 intercouples, motor E1 and input end diff 50-1 disconnect coupling, thereby the rotating speed that drives to input end diff 50-1 by input diff 50-2 by motor E2 drives wheel and makes vehicle operating;
Again or, control engine M1 (self-locking) out of service, motor E1 and E2 operation, and control B0～B2 all discharges, so that motor E2 and input end diff 50-2 are coupled, input end diff 50-2 and input end diff 50-1 is coupled, motor E1 and input end diff 50-1 are coupled, thereby drive wheel and make vehicle operating at the rotating speed of input end diff 50-1 coupling by motor E1 and E2.
In three kinds of above-mentioned situations, the first two situation is called weak electric model, latter event is called strong electric model, and, when selecting light current dynamic model formula, consider driving efficiency, preferably E1 drives the first situation of vehicle operating.
3), when hybrid vehicle triggers the combination drive pattern, control engine M1 operation and being coupled by input end diff 50-2 and input end diff 50-1, and control motor E1 operation and be coupled with input end diff 50-1 and/or motor E2 moves and is coupled by input end diff 50-2 and input end diff 50-1.Specifically:
Control engine M1 operation, motor E1 move, motor E2 is out of service, and control B0 and B1 discharges, the B2 braking, so that input end diff 50-2 and input end diff 50-1 intercouple, motor E1 and input end diff 50-1 coupling, thereby drive wheel and make vehicle operating at the rotating speed of input end diff 50-1 coupling by driving engine M1 and motor E1;
Perhaps, control engine M1 moves, motor E1 is out of service, motor E2 operation, and control B0 and B2 discharges, the B1 braking, so that motor E2 and input end diff 50-2 are coupled, input end diff 50-2 and input end diff 50-1 intercouples, motor E1 and input end diff 50-1 disconnect coupling, thereby be coupleds and drive to the rotating speed driving wheel of input end diff 50-1 and make vehicle operating at input diff 50-2 by driving engine M1 and motor E2;
Again or, control engine M1 operation, motor E1 and E2 operation, and control B0～B2 all discharges, so that motor E2 is coupled with input diff 50-2, input end diff 50-2 is with input end diff 50-1 is coupled, motor E1 is coupled with input end diff 50-1, thus the rotating speed driving wheel be coupled at input end diff 50-1 by driving engine M1 and motor E1 and E2 make vehicle operating.
In three kinds of above-mentioned situations, the first two situation is called weak mixed mode, latter event is called strong mixed mode.
4), trigger while increasing the journey pattern when hybrid vehicle, control engine M1 operation and by input end diff 50-2 and the motor E2 that enters the electrical generator state be coupled, input end diff 50-2 with input end diff 50-1, disconnect be coupled, motor E1 and input end diff 50-1 be coupled.Specifically:
Control engine M1 operation, motor E2 enter electrical generator state, motor E1 operation, and control B0 braking, B1 and B2 discharge, so that motor E2 and input end diff 50-2 are coupled, input end diff 50-2 and input end diff 50-1 disconnect coupling, motor E1 and input end diff 50-1 and be coupled, thereby, the rotating speed that is driven to input end diff 50-1 by motor E1 drives wheel and makes vehicle operating, and the rotating speed drive motor E2 that simultaneously also by driving engine M1, drives to input end diff 50-0 charges to battery.
Due to driving engine M1 often only a few operation point in its full-throttle characteristics can produce high efficiency, motor E1 and E2 have broad efficient district, therefore, electric-only mode, the mixed mode simultaneously moved based on driving engine M1 and motor E1 and/or E2 and increase the journey pattern and can make that driving engine M1 is constant remains on the work of high efficiency point, can make up by motor E1 and/or E2 the deficiency of driving engine M1 like this.
5), when hybrid vehicle trigger energy take-back model, control engine is out of service, and at least control motor E1 and operate in electrical generator state (for motor E1 and E2, the operation of other except clear and definite " electrical generator state " herein all refers to and operates in electric motor state).Specifically:
Control engine M1 (self-locking) out of service, motor E1 operate in the electrical generator state, motor E2 is out of service, and control B0 braking, B1 release, B2 braking or discharge, so that input end diff 50-2 and input end diff 50-1 disconnect motor E1 and the input end diff 50-1 coupling that is coupled, operates in the electrical generator state, thereby the rotating speed that is passed to input end diff 50-1 by output differential 50-0 by wheel can charge to battery by drive motor E1;
Perhaps, control engine M1 (self-locking) out of service, motor E1 and E2 operate in the electrical generator state, and control B0～B2 discharges, so that operate in motor E2 and the input end diff 50-2 of electrical generator state, be coupled, input end diff 50-2 and input end diff 50-1 are coupled, operate in motor E1 and the input end diff 50-1 coupling of electrical generator state, thereby the rotating speed that is passed to input end diff 50-1 by output differential 50-0 by wheel can charge to battery by drive motor E1, and by input end diff 50-1 and the input end diff 50-2 drive motor E2 intercoupled, battery is charged.
In two kinds of above-mentioned situations, the previous case is called weak take-back model, latter event is called strong take-back model.
Energy take-back model based on above-mentioned can be realized the recovery of energy under operating modes such as brake, descending.
6), when hybrid vehicle triggers the engine starting pattern, control engine M1 starts, motor E2 operation, and controls motor E2 and input end diff 50-2 is coupled, input end diff 50-2 is coupled with input end diff 50-1 disconnection.Specifically:
Control engine M1 starts, motor E2 operation, and control B0 braking, B1 braking or release, B2 discharges, so that motor E2 and input end diff 50-2 are coupled, input end diff 50-2 and input end diff 50-1 disconnect coupling, thereby be coupled to by motor E2 the startup that the rotating speed of input end diff 50-2 can auxiliary engine M1.
7), when hybrid vehicle triggers pure power generation mode, control engine M1 starts, motor E2 operates in the electrical generator state, and controls motor E2 and input end diff 50-2 is coupled, input end diff 50-2 is coupled with input end diff 50-1 disconnection.Specifically:
Control engine M1 starts, motor E2 operates in the electrical generator state, and control B0 braking, B1 braking or release, B2 discharges, so that motor E2 and input end diff 50-2 are coupled, input end diff 50-2 and input end diff 50-1 disconnect coupling, thereby can battery be charged drive motor E2 by the rotating speed that driving engine M1 is coupled to input end diff 50-2.
8), when hybrid vehicle triggers the Parking pattern, control engine M1 (self-locking) out of service, motor E1 and E2 are also all out of service, and control motor E2 and input end diff 50-2 is coupled, input end diff 50-2 disconnects coupling, motor E1 and input end diff 50-1 disconnection with input end diff 50-1 and is coupled.Specifically:
Control engine M1 (self-locking) out of service, motor E1 and E2 are out of service, and control B0 brakes, B1 brakes, B2 discharges, so that motor E2 and input end diff 50-2 are coupled, input end diff 50-2 and input end diff 50-1 disconnect coupling, motor E1 disconnects coupling with input end diff 50-1, can directly control motor E2 operation during with engine starting pattern to be triggered and be got final product the startup of auxiliary engine M1 by the rotating speed that motor E2 is coupled to input end diff 50-2.
9), when hybrid vehicle triggers the driving engine linkage pattern, control engine M1 operation, motor E1 and E2 are all out of service, and control that motor E2 disconnects coupling, input end diff 50-2 with input end diff 50-2 and input end diff 50-1 is coupled, motor E1 and input end diff 50-1 disconnection be coupled.Specifically:
Control engine M1 operation, motor E1 and E2 are out of service, and control B0 release, B1 and B2 and brake, so that motor E2 and input end diff 50-2 disconnect coupling, input end diff 50-2 and input end diff 50-1 is coupled, motor E1 is coupled with input end diff 50-1 disconnection, thereby makes driving engine M1 can pass through input end diff 50-2 and input end diff 50-1 and mouth diff 50-0 linked wheel brake snub.
In addition, in order to improve the tractive performance of hybrid vehicle, the power transmission control method in the present embodiment can also correspondingly trigger above-mentioned various drive pattern for different working conditions, specific as follows:
During in the Parking operating mode, trigger the Parking pattern when hybrid vehicle;
During in the engine starting operating mode, trigger the engine starting pattern when hybrid vehicle;
During driveaway operation operating mode when hybrid vehicle in default low acceleration area, trigger weak electric model;
During driveaway operation operating mode when hybrid vehicle in default high acceleration area, trigger strong electric model;
When hybrid vehicle during in the idle stop operating mode, if the SOC(state of capacity of battery, capacity status) for example, trigger weak electric model higher than lower limit warning value (30%), if the SOC of battery triggers pure power generation mode less than or equal to the lower limit warning value;
During driving cycle in hybrid vehicle is between default low regime, if the SOC of battery triggers weak electric model higher than the lower limit warning value, if the SOC of battery triggers and increases journey pattern or weak mixed mode less than or equal to the lower limit warning value;
During driving cycle when hybrid vehicle in default middling speed interval, trigger weak electric model or strong electric model or increase the journey pattern or weak mixed mode or strong mixed mode or pure engine mode;
During cruising condition in hybrid vehicle is between default high velocity, trigger pure engine mode (current driving speed is positioned at the high efficiency point of driving engine M1) or strong mixed mode.
During damped condition in hybrid vehicle is between default high velocity, trigger weak take-back model or strong take-back model;
During damped condition in hybrid vehicle is in default middling speed interval, trigger weak take-back model;
During damped condition in hybrid vehicle is between default low regime, trigger weak take-back model or increase the journey pattern;
When hybrid vehicle is in the accelerating mode in driving process, trigger strong mixed mode;
When hybrid vehicle is in the climbing operating mode, triggers weak electric model or strong electric model or increase the journey pattern or weak mixed mode or strong mixed mode;
When hybrid vehicle is in the descending operating mode and continues duration in the descending operating mode while not reaching default duration threshold value (descending visite), trigger weak take-back model or strong take-back model or increase the journey pattern;
When hybrid vehicle is in the descending operating mode and continues when the duration of descending operating mode meets or exceeds default duration threshold value (being lower long slope), if the SOC of battery meets or exceeds upper limit warning value, (for example 80%) triggers the driving engine linkage pattern, if the SOC of battery reaches upper limit warning value, do not trigger weak take-back model.
When hybrid vehicle is in astern condition, if the SOC of battery triggers weak electric model higher than the lower limit warning value, if the SOC of battery triggers and increases the journey pattern less than or equal to the lower limit warning value.
Above various working conditions can be monitored or be inputted corresponding instruction by chaufeur to entire car controller by the entire car controller of hybrid vehicle.
Except above-mentioned Power train and power transmission control method, the present embodiment also provides a kind of hybrid vehicle, and this hybrid vehicle comprises Power train as above.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of making, be equal to replacement, improvement etc., within all should being included in the scope of protection of the invention.
Claims (10)
1. a Power train, is characterized in that, comprising:
At least two difies;
At least one driving engine;
At least one motor;
Wherein, at least two difies intercouple and connect at least one driving engine and at least one motor.
2. Power train according to claim 1, it is characterized in that, diff is two and comprises an input end diff and a mouth diff, and input end diff and mouth diff include a main driving axle and two counter drive shafts; Wherein, the main driving axle of mouth diff is connected with the main driving axle of input end diff.
3. Power train according to claim 2, is characterized in that,
Each counter drive shaft of input end diff connects respectively a driving engine;
One of them counter drive shaft of mouth diff connects a driving engine, another counter drive shaft connects a motor.
4. Power train according to claim 2, is characterized in that,
One of them counter drive shaft of input end diff connects a driving engine, another counter drive shaft connects a motor;
Two counter drive shafts of mouth diff all connect the wheel of automobile.
5. Power train according to claim 1, it is characterized in that, diff is more than two and comprise at least two input end difies and a mouth diff, and input end diff and mouth diff include a main driving axle and two counter drive shafts; Wherein, at least two input end diff concatenated in order, the main driving axle that is positioned at an input end diff of cascade head end is connected with the main driving axle of mouth diff, and the main driving axle of remaining each input end diff is connected with the counter drive shaft of the input end diff of upper class.
6. Power train according to claim 5, is characterized in that,
Each counter drive shaft that is positioned at an input end diff of cascade tail end connects respectively a driving engine, and one of them counter drive shaft of remaining each input end diff connects the input end diff of a driving engine, another counter drive shaft cascade next stage;
One of them counter drive shaft of mouth diff connects a driving engine, another counter drive shaft connects a motor.
7. Power train according to claim 5, is characterized in that,
Each counter drive shaft that is positioned at an input end diff of cascade tail end connects respectively a driving engine or motor, the input end diff of one of them driving engine of counter drive shaft connection of remaining each input end diff or motor, another counter drive shaft cascade next stage;
Two counter drive shafts of mouth diff are all as input shaft and connect wheel.
8. Power train according to claim 7, it is characterized in that, the input end diff is two, a counter drive shaft that is positioned at an input end diff of cascade tail end connects a driving engine, another counter drive shaft connects a motor, is positioned at motor of a counter drive shaft connection of an input end diff of cascade head end, the main driving axle that another counter drive shaft connects the input end diff that is positioned at the cascade tail end.
9. according to claim 4 or 7 or 8 described Power trains, it is characterized in that, a counter drive shaft of the main driving axle of input end diff and connection motor is controlled by drg.
10. a hybrid vehicle, is characterized in that, comprises Power train as described as any one in claim 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310437974.1A CN103465778B (en) | 2013-09-24 | 2013-09-24 | Power train and hybrid vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310437974.1A CN103465778B (en) | 2013-09-24 | 2013-09-24 | Power train and hybrid vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103465778A true CN103465778A (en) | 2013-12-25 |
| CN103465778B CN103465778B (en) | 2016-03-16 |
Family
ID=49790912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310437974.1A Active CN103465778B (en) | 2013-09-24 | 2013-09-24 | Power train and hybrid vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103465778B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107989980A (en) * | 2018-01-10 | 2018-05-04 | 西安卓士博液压工程有限责任公司 | A kind of hybrid drive and method |
| CN111486213A (en) * | 2020-04-07 | 2020-08-04 | 刘润龙 | Torque coupler combined with differential device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60135328A (en) * | 1983-12-22 | 1985-07-18 | Nissan Motor Co Ltd | Four-wheel driven car |
| DE4005204A1 (en) * | 1990-02-20 | 1990-08-02 | Stiehler Ruediger Dr | Self-regulating speed converter - consists of two or more planetary gears with two or more driven shafts |
| JPH05345534A (en) * | 1992-06-15 | 1993-12-27 | Mitsubishi Motors Corp | Right and left drive force adjusting device for vehicle |
| CN1167052A (en) * | 1996-05-30 | 1997-12-10 | 杨泰和 | Distribution type differential mixed composite driving system |
| CN102213306A (en) * | 2010-04-07 | 2011-10-12 | 杨泰和 | Dual gear train driving structure at input side of basin-type gear |
| CN102678870A (en) * | 2011-02-24 | 2012-09-19 | 杨泰和 | Clutch device structured with controllable epicycle gear set and applied power train thereof |
-
2013
- 2013-09-24 CN CN201310437974.1A patent/CN103465778B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60135328A (en) * | 1983-12-22 | 1985-07-18 | Nissan Motor Co Ltd | Four-wheel driven car |
| DE4005204A1 (en) * | 1990-02-20 | 1990-08-02 | Stiehler Ruediger Dr | Self-regulating speed converter - consists of two or more planetary gears with two or more driven shafts |
| JPH05345534A (en) * | 1992-06-15 | 1993-12-27 | Mitsubishi Motors Corp | Right and left drive force adjusting device for vehicle |
| CN1167052A (en) * | 1996-05-30 | 1997-12-10 | 杨泰和 | Distribution type differential mixed composite driving system |
| CN102213306A (en) * | 2010-04-07 | 2011-10-12 | 杨泰和 | Dual gear train driving structure at input side of basin-type gear |
| CN102678870A (en) * | 2011-02-24 | 2012-09-19 | 杨泰和 | Clutch device structured with controllable epicycle gear set and applied power train thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107989980A (en) * | 2018-01-10 | 2018-05-04 | 西安卓士博液压工程有限责任公司 | A kind of hybrid drive and method |
| CN107989980B (en) * | 2018-01-10 | 2023-09-05 | 西安卓士博液压工程有限责任公司 | Hybrid power driving device and method |
| CN111486213A (en) * | 2020-04-07 | 2020-08-04 | 刘润龙 | Torque coupler combined with differential device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103465778B (en) | 2016-03-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100581862C (en) | Hybrid power automobile power system and control method thereof | |
| CN107554280B (en) | Multi-mode power transmission system of hybrid electric vehicle | |
| CN204895107U (en) | In good time 4 wheel driven hybrid vehicle system of electric formula inserts | |
| KR101580773B1 (en) | Power transmission structure of hybrid car | |
| CN102897016A (en) | Drive transmission and control system of double-clutch variable-speed four-wheel driven hybrid power vehicle | |
| CN201863701U (en) | Dual-motor hybrid power system | |
| CN102897015A (en) | Hybrid bus drive and transmission system employing dual clutch transmission | |
| CN104943526A (en) | Plug-in right-time all-wheel-drive hybrid electric vehicle system | |
| CN102815199B (en) | Electromechanical composite stepless transmission device for wheeled load-carrying vehicle with birotor motor | |
| CN101992775B (en) | Hybrid electric vehicle power system braking control device | |
| CN204895102U (en) | Torque coupling and rotational speed coupling driving system | |
| CN102390248A (en) | Hybrid power system of single clutch | |
| KR101429423B1 (en) | Power transmission apparatus for hybrid car | |
| CN103568814A (en) | Drive system for hybrid power vehicle | |
| KR101791124B1 (en) | Power transmission structure of hybrid car having two motors-three clutches | |
| CN101920654A (en) | Novel double-motor and multi-clutch hybrid power system for vehicle | |
| CN109591570A (en) | Hybrid electric drive system and vehicle | |
| CN102490587A (en) | Series-parallel combined type hybrid power assembly with high reliability | |
| CN101966810B (en) | Hub-based motor parallel-series driving system for automobile | |
| CN102019847A (en) | Series-parallel connection hybrid power driving system | |
| CN101559708A (en) | Coaxial-type double-power coupling device and driving system of hybrid electrical vehicle | |
| CN103465778B (en) | Power train and hybrid vehicle | |
| CN103465765B (en) | The Control method for power transmission of hybrid vehicle | |
| CN103010009B (en) | Electric vehicle powertrain and two gear variable-speed dynamic drivings device thereof | |
| CN109866596B (en) | Series hybrid power motor vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190729 Address after: 410082 School of civil engineering, Hunan University, Changsha, Hunan, Hexi, China Co-patentee after: Hippocampus Motor Co., Ltd. Patentee after: Hunan University Address before: 410006 Yuelu District Lushan South Road Lushan Gate, Changsha City, Hunan Province Co-patentee before: Shanghai Haima Automobile Co., Ltd. Patentee before: Hunan University |
|
| TR01 | Transfer of patent right |