CN103072458A - Active transmission device for hybrid vehicle - Google Patents
Active transmission device for hybrid vehicle Download PDFInfo
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- CN103072458A CN103072458A CN2012104682231A CN201210468223A CN103072458A CN 103072458 A CN103072458 A CN 103072458A CN 2012104682231 A CN2012104682231 A CN 2012104682231A CN 201210468223 A CN201210468223 A CN 201210468223A CN 103072458 A CN103072458 A CN 103072458A
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Abstract
The invention discloses an active transmission device for a hybrid vehicle. The active transmission device is provided with a motor M, an input shaft AI and an output shaft AO, wherein at least two power transferring paths which are different in speed ratio and are selected by a locking synchronization mechanism is arranged between the input shaft AI and the output shaft AO; a fixed-speed-ratio power transferring path (IM4, IM5, IM6) SO which can be established or disconnected by a motor-output locking synchronization mechanism Smo is arranged between the motor M and the output shaft AO; a fixed-speed-ratio power transferring path (IM1, IM2) SI which can be established or disconnected by a motor-input locking synchronization mechanism Smi is arranged between the motor M and the input shaft AI; and a disconnected power transferring path (IM1, IM6) SI-H from the input shaft AI to the output shaft AO can also be established by the motor-input locking synchronization mechanism Smi. The active transmission device disclosed by the invention has the advantages that full-function parallel hybrid can be realized only by using one motor M, so that the stressing condition of an active gear of the input shafts of the motor is improved, the distribution of the locking synchronization mechanism Smi and the Smo actuating mechanism is convenient, and meanwhile the speed-ratio quantity between the input shaft AI and the output shaft AO is increased.
Description
Technical field
The present invention relates to a kind of hybrid vehicle active transmission device.
Background technology
In the main change-speed box kind of traditional vehicle transmission technical field, axis fixed hand-operated transmission (MT) driving efficiency is high, makes easy to processly, and cost is low, reliability is high, therefore is the mainstream technology on the domestic vehicular transmission market always.But there are some problems in MT in the vehicle operating use procedure, and especially at special driving cycles such as uphill startings, the other types transmission operating is inconvenient relatively; In addition, Shift gear moment is grasped the bad wearing and tearing that can increase consumption of fuel and driving engine, and the operation burden of chaufeur is heavy.There is proposition to substitute with automatic manipulation gearshift in the known technology and finishes hand shift manipulation, i.e. so-called automated mechanical transmission (AMT).But this technology has obvious performance deficiency at aspects such as starting, shift quality, gear shift power interruption.
In the hybrid vehicle technology field, various power-driven system versions have been proposed, realize the technical scheme of dynamo-electric power multi-power driven vehicle by increasing motor.
Application number is that 03811785.1 patent discloses a kind of hybrid transmissions, this hybrid transmissions can alternately solve the problem of speed variator shift process medium power interruption based on the principle idea of double-clutch by arranging two to the independent tween drive shaft of output shaft transmitting torque.The present invention has essential distinction with it on following 2: (1) above-mentioned patent many places are emphasized, two independent tween drive shafts respectively and the power transfer path of setting up between two power transfer path setting up respectively of output shaft and two tween drive shafts be pairwise independent, namely can set up simultaneously any two in above-mentioned three power transfer path.And in the present invention, tentatively with the input shaft A in the embodiment of the invention structure
IAs the first independent tween drive shaft, with rotor as the second independent tween drive shaft, when driving engine by fixed speed ratio I
M1, I
M6And motor input locking synchronizer gear S
MiWhen setting up power transfer path with output shaft, rotor just can't be set up power transfer path with the change speed gear box input shaft; (2) above-mentioned patent is a kind of triple axle structure, and the present invention is a kind of two-axis structure in essence.Referring to the English edition patent specification of this patent, according to the description of its claim 1, can only be by a pair of gear transmission torque between any one in the described independent tween drive shaft and the described output shaft, this point can be used as the foundation of screening described independent tween drive shaft.Thus, the input shaft A in the embodiment of the invention structure
IAll can be used as in two independent tween drive shafts of this invention, but all can't find second the independent tween drive shaft that meets above-mentioned examination requirement.Therefore, the example structure of mentioning in principle of the present invention and the specification sheets is all in application number is not the protection domain of 03811785.1 patent.
Application number is that 201110280754.3 patent discloses a kind of hybrid transmissions that is applicable to horizontal precursor vehicle.In this patent working example structure 1 by gear cluster (gear 6,30 being arranged, 10,3,8,2 formations) and two unidirectional locking synchronizer gears (being consisted of by gear 11 and 5), so that motor 1 is set up power transfer path with one of input shaft 23 or output shaft 13 alternatively.The deficiency of its existence is: the first, and just 4 gear gearboxes that above-mentioned patent realizes.The second, the gear 3 in the above-mentioned patent working example structure 1 is used for directly transmitting the power of motor output, but obviously its jib-length is larger, is unfavorable for associated teeth wheel set engaged transmission.The 3rd, two unidirectional locking synchronizer gears are positioned at housing 7 edges in the above-mentioned patent working example structure 1, are unfavorable for the layout of relevant actuating unit.
Summary of the invention
Purpose of the present invention is exactly the defective that exists in order to overcome above-mentioned prior art, a kind of compact conformation is provided, is convenient to arrange the hybrid vehicle active transmission device of more gears.
Purpose of the present invention can be achieved through the following technical solutions:
A kind of hybrid vehicle active transmission device, it has
One motor M, an input shaft A who is connected with driving engine E/ power-transfer clutch C rotary actuation
I, one by fixed speed ratio main reduction gear I
0The output shaft A that is connected with wheel W rotary actuation with diff D
O
Described input shaft A
IWith described output shaft A
OBetween the power transfer path that has at least two different speed ratios and selected by the locking synchronizer gear, consist of at least two gears.
Described motor M and output shaft A
OBetween have and can pass through locking synchronizer gear S
MoThe the first fixed speed ratio power transfer path (I that sets up or cut off
M4, I
M5, I
M6) SO.
Described motor M and input shaft A
IBetween have and can pass through locking synchronizer gear S
MiThe the second fixed speed ratio power transfer path (I that sets up or cut off
M1, I
M2) SI.
By described locking synchronizer gear S
MiCan also set up input shaft A
ITo output shaft A
ODisconnected power transfer path (I
M1, I
M6) SI-H, power transfer path SI-H and power transfer path SI and SO share at least one gear driving pair.
Particularly, be provided with motor input shaft driving gear in motor M; At motor M and input shaft A
IBetween the motor idler shaft is set, at the motor idler shaft motor output shaft driving gear and motor output locking synchronizer gear S is set
Mo, and empty set motor input shaft idle gear; At input shaft A
IOn be set with motor input shaft driven gear and motor output shaft idle pulley, and motor input locking synchronizer gear S is set between them
MiAt transmission output shaft A
OOn motor output driven gear is set;
Wherein motor input shaft driving gear, motor input shaft idle gear and motor input shaft driven gear mesh successively, and motor output shaft driving gear, motor output shaft idle pulley and motor output driven gear mesh successively;
Described the first fixed speed ratio power transfer path (I
M4, I
M5, I
M6) SO is by motor input shaft driving gear, motor input shaft idle pulley, motor output shaft driving gear, motor output shaft idle pulley, motor output driven gear and motor output locking synchronizer gear S
MoConsist of, wherein motor output locking synchronizer gear S
MoMotor input shaft idle pulley and motor idler shaft are carried out locking to be connected;
Described the second fixed speed ratio power transfer path (I
M1, I
M2) SI is by motor input shaft driving gear, motor input shaft idle pulley, motor input shaft driven gear and motor input locking synchronizer gear S
MiConsist of, wherein motor input locking synchronizer gear S
MiWith motor input shaft driven gear and input shaft A
ICarrying out locking connects;
Described power transfer path (I
M1, I
M6) SI-H is by motor input locking synchronizer gear S
Mi, motor output shaft idle pulley and motor output driven gear consists of, motor input locking synchronizer gear S wherein
MiWith motor output shaft idle pulley and input shaft A
ILocking connects.
Described input shaft A
IWith described output shaft A
OBetween locking synchronizer gear S
1, S
2, S
3, S
4The optional input shaft A that partly or entirely is arranged in
IOr output shaft A
O
Described locking synchronizer gear S
Mi, S
Mo, S
1, S
2, S
3, S
4Be chosen as fixed axis gear transmission inertia synchronizer, tooth cover.
Described locking synchronizer gear S
Mi, S
Mo, S
1, S
2, S
3, S
4Can be handled by cylindrical cam mechanism.
Described motor input locking synchronizer gear S
MiWith described motor output shaft locking synchronizer gear S
MoShare a cylindrical cam mechanism, described locking synchronizer gear S
1, S
2, S
3, S
4Share a cylindrical cam mechanism; Between described two cylindrical cam mechanisms, be provided with the position of rotation mutual interlocking gear, realize with this: by fixed speed ratio I
1, I
2, I
3, I
4With corresponding locking synchronizer gear S
1, S
2, S
3, S
4The input shaft A that consists of
ITo output shaft A
OPower transfer path with by fixed speed ratio I
M1, I
M6And motor input locking synchronizer gear S
MiThe input shaft A that consists of
ITo output shaft A
OPower transfer path is mutual exclusion at one time.
The present invention is by gear cluster (being made of motor input shaft driving gear, motor input shaft idle pulley, motor output shaft driving gear, motor input shaft driven gear, motor output shaft idle pulley and motor output driven gear), a unidirectional locking synchronizer gear S
MoAnd bidirectional locking synchronizer gear S
Mi, not only realized so that motor M alternatively with input shaft A
IOr output shaft A
OOne of set up power transfer path, and by gear cluster (being consisted of by motor output shaft idle pulley and motor output driven gear) and locking synchronizer gear S
MiIncreased alternatively an input shaft A
IWith output shaft A
OBetween speed ratio, i.e. power transfer path SI-H, from the angle of driving engine, what the present invention realized is 5 gear gearboxes.In addition, transmitted the power of motor output among the present invention by motor input shaft driving gear, obviously its jib-length is shorter, and associated teeth wheel set engaged transmission situation is very significantly improved.Simultaneously, unidirectional locking synchronizer gear S
MoAnd bidirectional locking synchronizer gear S
MiPosition away from the edge of housing, for the layout of relevant actuating unit has stayed enough spaces.
In sum, this is that 201110280754.3 patent is compared with application number, under the prerequisite of the quantity that does not increase turning unit, has increased new function, has improved structure, has larger novelty.
Description of drawings
Fig. 1 is the schematic diagram of invention;
Fig. 2 is the structural representation of embodiment.
E-driving engine, C-power-transfer clutch, M-electrical motor, W-wheel, D-diff, I among Fig. 1
0-main reduction gear, I
1, I
2, I
3, I
4Expression shifting gear Meshing Pair, S
1, S
2, S
3, S
4Expression gear locking synchronizer gear, I
M1, I
M2, I
M3, I
M4, I
M5And I
M6Expression electric motor speed reducer gear Meshing Pair, S
MiExpression motor input locking synchronizer gear, S
MoExpression motor output locking synchronizer gear, A
IExpression input shaft, A
OThe expression transmission output shaft.
M-motor, 1-motor input shaft driving gear, 2-motor input shaft idle pulley, 3-motor output shaft driving gear, S among Fig. 2
Mo-motor output locking synchronizer gear, 4-motor idler shaft, 5-right case, S
Mi-motor input locking synchronizer gear, 6-motor input shaft driven gear, 7-motor output shaft idle pulley, 8-III/IV shelves locking synchronizer gear, 9-motor output shaft driven gear, 10-IV shelves driven gear, A
O-output shaft, 11-III shelves driven gear, 12-II shelves driven gear, 13-I/II shelves locking synchronizer gear, 14-I shelves driven gear, 15-main box, D-differential assembly (integrated main reduction gear driven gear), 16-output axle shaft, 17-left box body, 18-main reduction gear driving gear, A
I-input shaft, 19-I shelves driving gear, 20-II shelves driving gear, 21-III shelves driving gear, 22-IV shelves driving gear, 23-speed changer gear operation cam, 24-motor power switch handles cam.
Gear locking synchronizer gear S among Fig. 1
1, S
2, S
3, S
4In Fig. 2, implement by I/II shelves locking synchronizer gear 13 and III/IV shelves locking synchronizer gear 8.
The specific embodiment
The present invention is described in detail below in conjunction with Fig. 1 and Fig. 2 and specific embodiment.
Structural principle of the present invention is referring to Fig. 1, and it has
One motor M, an input shaft A who is connected with driving engine E/ power-transfer clutch C rotary actuation
I, one by fixed speed ratio main reduction gear I
0The output shaft A that is connected with wheel W rotary actuation with diff D
O
At described input shaft A
IWith described output shaft A
OBetween have four different speed ratio (I
1, I
2, I
3, I
4) and by locking synchronizer gear (S
1, S
2, S
3, S
4) four power transfer path selecting, consist of one grade, second gear, third gear and fourth gear.
At described motor M and output shaft A
OBetween have and can pass through locking synchronizer gear S
MoThe the first fixed speed ratio power transfer path (I that sets up or cut off
M4, I
M5, I
M6) SO.
At described motor M and input shaft A
IBetween have and can pass through locking synchronizer gear S
MiThe the second fixed speed ratio power transfer path (I that sets up or cut off
M1, I
M2) SI.
By described locking synchronizer gear S
MiCan also set up input shaft A
ITo output shaft A
ODisconnect the 5th power transfer path (I
M1, I
M6) SI-H, power transfer path SI-H and power transfer path SI and SO share at least one gear driving pair.
A kind of specific implementation structure of above principle is referring to Fig. 2:
The present embodiment arranges input shaft A
IWith output shaft A
O, driving engine (not expression among Fig. 2) outputting power is passed to input shaft A by power-transfer clutch (not expression among Fig. 2)
IBy being arranged on input shaft A
IWith output shaft A
OBetween I shelves gear pair (being consisted of by I shelves driving gear 19 and I shelves driven gear 14), II shelves gear pair (being consisted of by II shelves driving gear 20 and II shelves driven gear 12), in III shelves gear pair (being made of III shelves driving gear 21 and III shelves driven gear 11) and the IV shelves gear pair (being made of IV shelves driving gear 22 and IV shelves driven gear 10) one can consist of input shaft A with variable-speed ratio
ITo output shaft A
OBetween four power transfer path.
In order to consist of respectively motor M and input shaft A
IAnd output shaft A
OPower transfer path, the present embodiment also has following structural arrangement:
Be provided with motor input shaft driving gear 1 at motor; Motor idler shaft 4 is set between motor and input shaft, at the motor idler shaft motor output locking synchronizer gear S is set
MoWith motor output shaft driving gear 3, and empty set motor input shaft idle pulley 2; At input shaft A
IOn be set with motor input shaft driven gear 6, motor output shaft idle pulley 7, and motor input locking synchronizer gear S is set between them
MiAt transmission output shaft A
OOn motor output shaft driven gear 9 is set.
Wherein motor input shaft driving gear 1, motor input shaft idle pulley 2 and motor input shaft driven gear 6 mesh successively, and motor output shaft driving gear 3, motor output shaft idle pulley 7 and motor output driven gear 9 mesh successively.
Like this, as motor input locking synchronizer gear S
MiWith motor input shaft driven gear 6 and input shaft A
ICarry out locking and connect, by motor input shaft driving gear 1, motor input shaft idle pulley 2, motor input shaft driven gear 6 and motor input locking synchronizer gear S
MiConsist of alternatively motor M and input shaft A with fixed speed ratio
IBetween the transmission of torque path, i.e. the second fixed speed ratio power transfer path (I
M1, I
M2) SI.
As motor output locking synchronizer gear S
MoMotor input shaft idle pulley 2 is carried out locking with motor idler shaft 4 to be connected, by motor input shaft driving gear 1, motor input shaft idle pulley 2, motor output shaft driving gear 3, motor output shaft idle pulley 7, motor output shaft driven gear 9 and motor output locking synchronizer gear S
MoConsist of alternatively motor M and output shaft A with fixed speed ratio
OBetween the transmission of torque path, i.e. the first fixed speed ratio power transfer path (I
M4, I
M5, I
M6) SO;
Of particular note, as motor input locking synchronizer gear S
MiMotor output shaft idle pulley 7 is connected with input shaft 24 lockings, cancels simultaneously the input shaft A that above-mentioned I shelves, II shelves, III shelves and IV shelves gear pair are set up
IWith output shaft A
OBetween power transfer path, so for driving engine motor output shaft idle pulley 7 and motor output driven gear 9 will consist of V shelves gear pair gear pair, namely newly increased a gear, this is an outstanding innovative point of the present invention.
The present embodiment adopts inertia synchronizer or tooth cover as the locking synchronizer gear, adopts simultaneously cylindrical cam mechanism as the actuating unit of locking synchronizer gear.Motor output locking synchronizer gear S
MoWith motor input locking synchronizer gear S
MiSwitch 24 controls of manipulation cylindrical cam mechanism by motor power.1/II shelves, III/IV shelves locking synchronizer gear 13,8 are by 23 controls of speed changer gear operation cylindrical cam mechanism.The side of cylindrical cam mechanism is processed with cam path, by rotating described cylindrical cam mechanism, can move forward and backward declutch shift shaft (not expression among Fig. 2) motion along the change speed gear box axial direction, and then sliding hub or the tooth cover of manipulation inertia synchronizer moves forward and backward.Handle motor (expression among Fig. 2) rotary actuation worm screw (expression in the accompanying drawing 2) by cylindrical cam mechanism, so the fixed worm gear of rotary actuation and cylindrical cam mechanism, the described cylindrical cam mechanism of rotatable driving.
Vehicle under normal travel situations, motor M and input shaft A
ISet up power transfer path, and jointly drive vehicle with driving engine and advance.When to I, II, III, the IV shelves one of gear switch is meshed change speed gear box in attempt, at first cancel the torque of motor M output, disconnect motor M and input shaft A by rotary actuation cylindrical cam mechanism 24
IBetween the transmission of torque path, and set up motor M and output shaft A
OBetween power transfer path.Secondly, by cut-off clutch, cancel input shaft A
IThe moment of torsion of upper transmission is finished the gear switch action by rotary actuation cylindrical cam mechanism 23.Then, by in conjunction with power-transfer clutch, recover input shaft A
IThe moment of torsion of upper transmission is cancelled the torque of motor M output simultaneously, disconnects motor M and output shaft A by rotating cylindrical cam mechanism 24
OBetween the transmission of torque path, and set up motor M and input shaft A
IBetween the transmission of torque path.Remedy to a certain extent the vehicle power disruption that the fixed axis gear transmission device exists by said process in gearshift procedure.
Except above-mentioned power failure-free gear shift function, the present embodiment also has: stopping for charging, vehicle cruise travel that middle charging, regenerative braking, motor/driving engine drive jointly that vehicle advances, pure motor driving, driving engine drive separately the functions such as vehicle advances, the starting of motor power-assisted.
Claims (7)
1. hybrid vehicle active transmission device, it has
One motor M,
The one input shaft A that is connected with power-transfer clutch C rotary actuation with driving engine E
I,
One by fixed speed ratio main reduction gear I
0The transmission output shaft A that is connected with wheel W rotary actuation with diff D
O,
Described input shaft A
IWith described transmission output shaft A
OBetween the power transfer path that has at least two different speed ratios and selected by the locking synchronizer gear, consist of at least two gears;
It is characterized in that:
Described motor M and transmission output shaft A
OBetween have and can export locking synchronizer gear S by motor
MoThe the first fixed speed ratio power transfer path (I that sets up or cut off
M4, I
M5, I
M6) SO;
Described motor M and input shaft A
IBetween have and can input locking synchronizer gear S by motor
MiThe the second fixed speed ratio power transfer path (I that sets up or cut off
M1, I
M2) SI;
By described motor input locking synchronizer gear S
MiAlso set up input shaft A
ITo output shaft A
ODisconnected power transfer path (I
M1, I
M6) SI-H, power transfer path SI-H and first, second fixed speed ratio power transfer path SO and SI share at least one gear driving pair.
2. hybrid vehicle active transmission device according to claim 1 is characterized in that: be provided with motor input shaft driving gear (1) in motor M; At motor M and input shaft A
IBetween motor idler shaft (4) is set, at motor idler shaft (4) motor output shaft driving gear (3) and motor output locking synchronizer gear S is set
Mo, and empty set motor input shaft idle gear (2); At input shaft A
IOn be set with motor input shaft driven gear (6) and motor output shaft idle pulley (7), and motor input locking synchronizer gear S is set between them
MiAt transmission output shaft A
OOn motor output driven gear (9) is set;
Wherein motor input shaft driving gear (1), motor input shaft idle gear (2) and motor input shaft driven gear (6) mesh successively, and motor output shaft driving gear (3), motor output shaft idle pulley (7) and motor output driven gear (9) mesh successively;
Described the first fixed speed ratio power transfer path (I
M4, I
M5, I
M6) SO is by motor input shaft driving gear (1), motor input shaft idle pulley (2), motor output shaft driving gear (3), motor output shaft idle pulley (7), motor output driven gear (9) and motor output locking synchronizer gear S
MoConsist of, wherein motor output locking synchronizer gear S
MoMotor input shaft idle pulley (2) is carried out locking with motor idler shaft (4) to be connected;
Described the second fixed speed ratio power transfer path (I
M1, I
M2) SI is by motor input shaft driving gear (1), motor input shaft idle pulley (2), motor input shaft driven gear (6) and motor input locking synchronizer gear S
MiConsist of, wherein motor input locking synchronizer gear S
MiWith motor input shaft driven gear (6) and input shaft (A
I) carry out locking and connect;
Described power transfer path (I
M1, I
M6) SI-H is by motor input locking synchronizer gear S
Mi, motor output shaft idle pulley (7) and motor output driven gear (9) consists of, motor input locking synchronizer gear S wherein
MiWith motor output shaft idle pulley (7) and input shaft A
ILocking connects.
3. hybrid vehicle active transmission device according to claim 1 and 2 is characterized in that: described input shaft A
IWith described transmission output shaft A
OBetween be provided with four different speed ratio I
1, I
2, I
3, I
4, and by locking synchronizer gear S
1, S
2, S
3, S
4The power transfer path of selecting consists of respectively one grade, second gear, third gear and fourth gear.
4. hybrid vehicle active transmission device according to claim 1 and 2 is characterized in that: described input shaft A
IWith described output shaft A
OBetween the locking synchronizer gear partly or entirely be arranged in input shaft A
IOr output shaft A
O
5. hybrid vehicle active transmission device according to claim 1 and 2 is characterized in that: described locking synchronizer gear is the fixed axis gear transmission with inertia synchronizer or tooth cover.
6. hybrid vehicle active transmission device according to claim 1 and 2, described locking synchronizer gear can be handled by cylindrical cam mechanism.
7. hybrid vehicle active transmission device according to claim 3, described motor input locking synchronizer gear S
MiWith described motor output shaft locking synchronizer gear S
MoShare a cylindrical cam mechanism, described locking synchronizer gear S
1, S
2, S
3, S
4Share a cylindrical cam mechanism; Between described two cylindrical cam mechanisms, be provided with the position of rotation mutual interlocking gear, realize with this: by fixed speed ratio I
1, I
2, I
3, I
4With corresponding locking synchronizer gear S
1, S
2, S
3, S
4The input shaft A that consists of
ITo output shaft A
OPower transfer path with by fixed speed ratio I
M1, I
M6And motor input locking synchronizer gear S
MiThe input shaft A that consists of
ITo output shaft A
OPower transfer path is mutual exclusion at one time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210468223.1A CN103072458B (en) | 2012-11-19 | 2012-11-19 | hybrid vehicle active transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210468223.1A CN103072458B (en) | 2012-11-19 | 2012-11-19 | hybrid vehicle active transmission device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103072458A true CN103072458A (en) | 2013-05-01 |
| CN103072458B CN103072458B (en) | 2016-03-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210468223.1A Active CN103072458B (en) | 2012-11-19 | 2012-11-19 | hybrid vehicle active transmission device |
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| Publication number | Publication date |
|---|---|
| CN103072458B (en) | 2016-03-23 |
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