CN103072458B - hybrid vehicle active transmission device - Google Patents
hybrid vehicle active transmission device Download PDFInfo
- Publication number
- CN103072458B CN103072458B CN201210468223.1A CN201210468223A CN103072458B CN 103072458 B CN103072458 B CN 103072458B CN 201210468223 A CN201210468223 A CN 201210468223A CN 103072458 B CN103072458 B CN 103072458B
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- Prior art keywords
- motor
- gear
- input shaft
- locking synchronizer
- output shaft
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Abstract
A kind of active transmission device for hybrid electric vehicle, has motor M, input shaft A
i, output shaft A
o, input shaft A
iwith output shaft A
obetween there are at least two different speed ratios and the power transfer path of being undertaken selecting by locking synchronizer gear.Motor M and output shaft A
obetween have and export locking synchronizer gear S by motor
mofixed speed ratio power transfer path (the I setting up or cut off
m4, I
m5, I
m6) SO; Motor M and input shaft A
ibetween have by motor input locking synchronizer gear S
mifixed speed ratio power transfer path (the I setting up or cut off
m1, I
m2) SI; By motor input locking synchronizer gear S
miinput shaft A can also be set up
ito output shaft A
odisconnected power transfer path (I
m1, I
m6) SI-H.The present invention only uses a motor M just to make to realize global function parallel type hybrid dynamic, improves the force-bearing situation of motor input shaft driving gear, facilitates locking synchronizer gear S
miand S
mothe layout of actuating unit, adds input shaft A simultaneously
iwith output shaft A
obetween number of ratios.
Description
Technical field
The present invention relates to a kind of hybrid vehicle active transmission device.
Background technology
In the change-speed box kind that traditional technical field of automobile transmission is main, axis fixed hand-operated transmission (MT) driving efficiency is high, manufactures easy to process, and cost is low, reliability is high, is therefore the mainstream technology on domestic vehicular transmission market always.But MT exists some problems in vehicle operating use procedure, especially at special driving cycles such as uphill startings, relative other types transmission operating is inconvenient; In addition, Shift gear moment grasps the bad wearing and tearing that can increase consumption of fuel and driving engine, and the operation burden of chaufeur is heavy.Have in known technology and propose to have substituted hand shift manipulation, i.e. so-called automated mechanical transmission (AMT) with automatically handling gearshift.But this technology has obvious performance deficiency in starting, shift quality, gear shift power interruption etc.
In hybrid vehicle technology field, proposing various power-driven system version, having realized the technical scheme of electric power multi-power driven vehicle by increasing motor.
Application number be 03811785.1 patent discloses a kind of hybrid transmissions, this hybrid transmissions based on the principle idea of double-clutch, by arrange two can alternately to the independent countershaft of output shaft transmitting torque solve speed variator shift process medium power interrupt problem.The present invention has essential distinction with it on following 2: (1) above-mentioned patent many places are emphasized, two independent countershaft respectively and the power transfer path set up between two power transfer path setting up respectively of output shaft and two tween drive shafts be pairwise independent, namely can set up any two in above-mentioned three power transfer path simultaneously.And in the present invention, tentatively by the input shaft A in embodiment of the present invention structure
ias the first independent countershaft, using rotor as the second independent countershaft, when driving engine is 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 cannot set up power transfer path with transmission 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.See the English edition patent specification of this patent, according to the description of its claim 1, can only pass through a pair gear transmission torque between any one and described output shaft in described independent countershaft, this point can as the foundation of screening described independent countershaft.Thus, the input shaft A in embodiment of the present invention structure
iall can invent in two independent countershaft as this, but all cannot find second independent countershaft meeting above-mentioned examination requirement.Therefore, the example structure mentioned in principle of the present invention and specification sheets is not all in the protection domain that application number is the patent of 03811785.1.
Application number be 201110280754.3 patent discloses a kind of hybrid transmissions being applicable to horizontal precursor vehicle.By gear cluster (have gear 6,30,10,3,8,2 are formed) and two unidirectional locking synchronizer gears (being made up of gear 11 and 5) in this patent Example structure 1, motor 1 is made to set up power transfer path with one of input shaft 23 or output shaft 13 alternatively.Its deficiency existed is: the first, just 4 gear gearboxes that above-mentioned patent realizes.The second, the power that the gear 3 in above-mentioned patent Example structure 1 exports for directly transmitting motor, but obviously its jib-length is comparatively large, is unfavorable for associated teeth wheel set engaged transmission.3rd, in above-mentioned patent Example structure 1, two unidirectional locking synchronizer gears are positioned at housing 7 edge, are unfavorable for the layout of relevant actuating unit.
Summary of the invention
Object of the present invention is exactly the defect existed to overcome above-mentioned prior art, provides a kind of compact conformation, is convenient to arrange the hybrid vehicle active transmission device of more gears.
Object 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 be 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 be connected with diff D and wheel W rotary actuation
o.
Described input shaft A
iwith described output shaft A
obetween there are at least two different speed ratios and the power transfer path of being undertaken selecting by locking synchronizer gear, form at least two gears.
Described motor M and output shaft A
obetween have by locking synchronizer gear S
mothe the first fixed speed ratio power transfer path (I setting up or cut off
m4, I
m5, I
m6) SO.
Described motor M and input shaft A
ibetween have by locking synchronizer gear S
mithe the second fixed speed ratio power transfer path (I setting up or cut off
m1, I
m2) SI.
By described locking synchronizer gear S
miinput shaft A can also be set up
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, motor M is provided with motor input shaft driving gear; At motor M and input shaft A
ibetween motor idler shaft is set, motor idler shaft arranges motor output shaft driving gear and motor and exports locking synchronizer gear S
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 which
mi; At transmission output shaft A
oon arrange motor export driven gear;
Wherein motor input shaft driving gear, motor input shaft idle gear and motor input shaft driven gear engage successively, and motor output shaft driving gear, motor output shaft idle pulley and motor export driven gear and engage successively;
Described first fixed speed ratio power transfer path (I
m4, I
m5, I
m6) SO exports driven gear and motor exported locking synchronizer gear S by motor input shaft driving gear, motor input shaft idle pulley, motor output shaft driving gear, motor output shaft idle pulley, motor
moform, wherein motor exports locking synchronizer gear S
momotor input shaft idle pulley and motor idler shaft are carried out locking be connected;
Described second fixed speed ratio power transfer path (I
m1, I
m2) SI inputs locking synchronizer gear S by motor input shaft driving gear, motor input shaft idle pulley, motor input shaft driven gear and motor
miform, wherein motor input locking synchronizer gear S
miby motor input shaft driven gear and input shaft A
icarry out locking connection;
Described power transfer path (I
m1, I
m6) SI-H inputs locking synchronizer gear S by motor
mi, motor output shaft idle pulley and motor export driven gear and form, wherein motor input locking synchronizer gear S
miby 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
4selective sections or be all arranged in input shaft A
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 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 formed
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 formed
ito output shaft A
opower transfer path is mutual exclusion at one time.
The present invention by gear cluster (by 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 export driven gear form), a unidirectional locking synchronizer gear S
moand a bidirectional locking synchronizer gear S
mi, not only achieve make motor M alternatively with input shaft A
ior output shaft A
oone of set up power transfer path, and by gear cluster (exporting driven gear by motor output shaft idle pulley and motor to form) and locking synchronizer gear S
miadd an input shaft A alternatively
iwith output shaft A
obetween speed ratio, i.e. power transfer path SI-H, from the angle of driving engine, the present invention realize be 5 gear gearboxes.In addition, transmitted the power of motor output in 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.Meanwhile, unidirectional locking synchronizer gear S
moand bidirectional locking synchronizer gear S
miposition away from the edge of housing, the layout for relevant actuating unit leaves enough spaces.
In sum, compared with the patent that this and application number are 201110280754.3, under the prerequisite of quantity not increasing turning unit, add new function, improve structure, there is larger novelty.
Accompanying drawing explanation
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 in Fig. 1
0-main reduction gear, I
1, I
2, I
3, I
4represent shifting gear Meshing Pair, S
1, S
2, S
3, S
4represent gear locking synchronizer gear, I
m1, I
m2, I
m3, I
m4, I
m5and I
m6represent electric motor speed reducer gear Meshing Pair, S
mirepresent motor input locking synchronizer gear, S
morepresent that motor exports locking synchronizer gear, A
irepresent input shaft, A
orepresent transmission output shaft.
M-motor, 1-motor input shaft driving gear, 2-motor input shaft idle pulley, 3-motor output shaft driving gear, S in Fig. 2
mo-motor exports 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 in Fig. 1
1, S
2, S
3, S
4implemented by I/II shelves locking synchronizer gear 13 and III/IV shelves locking synchronizer gear 8 in fig. 2.
Detailed description of the invention
Below in conjunction with Fig. 1 and Fig. 2 and specific embodiment, the present invention is described in detail.
Structural principle of the present invention is see Fig. 1, and it has
One motor M, an input shaft A be 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 be connected with diff D and wheel W rotary actuation
o.
At described input shaft A
iwith described output shaft A
obetween there are 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) carry out four power transfer path selecting, form one grade, second gear, third gear and fourth gear.
At described motor M and output shaft A
obetween have by locking synchronizer gear S
mothe the first fixed speed ratio power transfer path (I setting up or cut off
m4, I
m5, I
m6) SO.
At described motor M and input shaft A
ibetween have by locking synchronizer gear S
mithe the second fixed speed ratio power transfer path (I setting up or cut off
m1, I
m2) SI.
By described locking synchronizer gear S
miinput shaft A can also be set up
ito output shaft A
odisconnected Article 5 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 see Fig. 2:
The present embodiment arranges input shaft A
iwith output shaft A
o, driving engine (not representing in Fig. 2) outputting power is passed to input shaft A by power-transfer clutch (not representing in Fig. 2)
i.By being arranged on input shaft A
iwith output shaft A
obetween I shelves gear pair (being made up of I shelves driving gear 19 and I shelves driven gear 14), II shelves gear pair (being made up of II shelves driving gear 20 and II shelves driven gear 12), one in III shelves gear pair (being made up of III shelves driving gear 21 and III shelves driven gear 11) and IV shelves gear pair (being made up of IV shelves driving gear 22 and IV shelves driven gear 10), input shaft A can be formed with variable-speed ratio
ito output shaft A
obetween four power transfer path.
In order to form motor M and input shaft A respectively
iand output shaft A
opower transfer path, the present embodiment also have following structural arrangement:
Motor is provided with motor input shaft driving gear 1; Motor idler shaft 4 is set between motor and input shaft, motor idler shaft arranges motor and exports locking synchronizer gear S
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 which
mi; At 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 engage successively, and motor output shaft driving gear 3, motor output shaft idle pulley 7 and motor export driven gear 9 and engage successively.
Like this, as motor input locking synchronizer gear S
miby motor input shaft driven gear 6 and input shaft A
icarry out locking connection, 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
mimotor M and input shaft A is formed alternatively with fixed speed ratio
ibetween transmission of torque path, i.e. the second fixed speed ratio power transfer path (I
m1, I
m2) SI.
When motor exports locking synchronizer gear S
momotor input shaft idle pulley 2 is carried out locking with motor idler shaft 4 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 export locking synchronizer gear S
momotor M and output shaft A is formed alternatively with fixed speed ratio
obetween transmission of torque path, i.e. the first fixed speed ratio power transfer path (I
m4, I
m5, I
m6) SO;
It should be noted that, as motor input locking synchronizer gear S
mimotor output shaft idle pulley 7 is connected with input shaft 24 locking, cancels the input shaft A that above-mentioned I shelves, II shelves, III shelves and IV shelves gear pair are set up simultaneously
iwith output shaft A
obetween power transfer path, so for driving engine, motor output shaft idle pulley 7 and motor export driven gear 9 and will form V shelves gear pair gear pair, and 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 locking synchronizer gear, adopts cylindrical cam mechanism as the actuating unit of locking synchronizer gear simultaneously.Motor exports locking synchronizer gear S
molocking synchronizer gear S is inputted with motor
miswitch manipulation cylindrical cam mechanism 24 by motor power to control.1/II shelves, III/IV shelves locking synchronizer gear 13,8 are controlled by speed changer gear operation cylindrical cam mechanism 23.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 representing in Fig. 2) motion along change speed gear box axial direction, and then handles the sliding hub of inertia synchronizer or tooth cover is movable.Motor (not representing in Fig. 2) rotary actuation worm screw (not representing in accompanying drawing 2) is handled by cylindrical cam mechanism, so the worm gear of rotary actuation and cylindrical cam mechanism consolidation, 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 to advance with driving engine.When attempting change speed gear box engaged gear to be switched in I, II, III, IV shelves, first cancelling the torque that motor M exports, disconnecting motor M and input shaft A by rotary actuation cylindrical cam mechanism 24
ibetween transmission of torque path, and set up motor M and output shaft A
obetween power transfer path.Secondly, by cut-off clutch, input shaft A is cancelled
ithe moment of torsion of upper transmission, completes gear switch action by rotary actuation cylindrical cam mechanism 23.Then, by conjunction with power-transfer clutch, input shaft A is recovered
ithe moment of torsion of upper transmission, cancels the torque that motor M exports simultaneously, disconnects motor M and output shaft A by rotating cylindrical cam mechanism 24
obetween transmission of torque path, and set up motor M and input shaft A
ibetween transmission of torque path.The vehicle power disruption that fixed axis gear transmission device exists in gearshift procedure is made up to a certain extent by said process.
Except above-mentioned power failure-free gear shift function, the present embodiment also has: charging during stopping for charging, vehicle cruise travel, regenerative braking, motor/driving engine drive vehicle advance, pure motor driving, driving engine to drive separately the functions such as vehicle advance, the starting of motor power-assisted jointly.
Claims (6)
1. a hybrid vehicle active transmission device, it has
One motor M,
The one input shaft A be connected with driving engine E and power-transfer clutch C rotary actuation
i,
One by fixed speed ratio main reduction gear I
0the transmission output shaft A be connected with diff D and wheel W rotary actuation
o;
Described input shaft A
iwith described transmission output shaft A
obetween there are at least two different speed ratios and the power transfer path of being undertaken selecting by locking synchronizer gear, form at least two gears;
It is characterized in that:
Described motor M and transmission output shaft A
obetween have and export locking synchronizer gear S by motor
mothe the first fixed speed ratio power transfer path (I setting up or cut off
m4, I
m5, I
m6) SO;
Described motor M and input shaft A
ibetween have by motor input locking synchronizer gear S
mithe the second fixed speed ratio power transfer path (I setting up or cut off
m1, I
m2) SI;
By described motor input locking synchronizer gear S
mialso set up input shaft A
ito transmission output shaft A
odisconnected power transfer path (I
m1, I
m6) SI-H, power transfer path (I can be disconnected
m1, I
m6) SI-H and the first fixed speed ratio power transfer path (I
m4, I
m5, I
m6) SO and the second fixed speed ratio power transfer path SI shares at least one gear driving pair;
Motor M is provided with motor input shaft driving gear (1); At motor M and input shaft A
ibetween motor idler shaft (4) is set, motor idler shaft (4) arranges motor output shaft driving gear (3) and motor and exports locking synchronizer gear S
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 which
mi; At transmission output shaft A
oon arrange motor export driven gear (9);
Wherein motor input shaft driving gear (1), motor input shaft idle gear (2) and motor input shaft driven gear (6) engage successively, and motor output shaft driving gear (3), motor output shaft idle pulley (7) and motor export driven gear (9) and engage successively;
Described first fixed speed ratio power transfer path (I
m4, I
m5, I
m6) SO be by motor input shaft driving gear (1), motor input shaft idle gear (2), motor output shaft driving gear (3), motor output shaft idle pulley (7), motor exports driven gear (9) and motor exports locking synchronizer gear S
moform, wherein motor exports locking synchronizer gear S
momotor input shaft idle gear (2) is carried out locking with motor idler shaft (4) be connected;
Described second fixed speed ratio power transfer path (I
m1, I
m2) SI inputs locking synchronizer gear S by motor input shaft driving gear (1), motor input shaft idle gear (2), motor input shaft driven gear (6) and motor
miform, wherein motor input locking synchronizer gear S
miby motor input shaft driven gear (6) and input shaft A
icarry out locking connection;
Describedly disconnect power transfer path (I
m1, I
m6) SI-H inputs locking synchronizer gear S by motor
mi, motor output shaft idle pulley (7) and motor export driven gear (9) and form, wherein motor input locking synchronizer gear S
miby motor output shaft idle pulley (7) and input shaft A
ilocking connects.
2. hybrid vehicle active transmission device according to claim 1, is characterized in that: described input shaft A
iwith described transmission output shaft A
obetween be provided with four different fixed speed ratio I
1, I
2, I
3, I
4, and by locking synchronizer gear S
1, locking synchronizer gear S
2, locking synchronizer gear S
3, locking synchronizer gear S
4carry out the power transfer path selected, respectively formation one grade, second gear, third gear and fourth gear.
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 locking synchronizer gear be partly or entirely arranged in input shaft A
ior transmission output shaft A
o.
4. hybrid vehicle active transmission device according to claim 2, is characterized in that: described locking synchronizer gear S
1, locking synchronizer gear S
2, locking synchronizer gear S
3, locking synchronizer gear S
4for fixed axis gear transmission inertia synchronizer or tooth cover.
5. hybrid vehicle active transmission device according to claim 2, is characterized in that: described locking synchronizer gear S
1, locking synchronizer gear S
2, locking synchronizer gear S
3, locking synchronizer gear S
4handled by cylindrical cam mechanism.
6. hybrid vehicle active transmission device according to claim 2, described motor input locking synchronizer gear S
milocking synchronizer gear S is exported with described motor
moshare a cylindrical cam mechanism A, described locking synchronizer gear S
1, locking synchronizer gear S
2, locking synchronizer gear S
3, locking synchronizer gear S
4share a cylindrical cam mechanism B; Between described cylindrical cam mechanism A and cylindrical cam mechanism B, be provided with 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, locking synchronizer gear S
2, locking synchronizer gear S
3, locking synchronizer gear S
4the input shaft A formed
ito transmission output shaft A
opower transfer path with by fixed speed ratio I
m1, fixed speed ratio I
m6and motor input locking synchronizer gear S
mithe input shaft A formed
ito transmission 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 CN103072458A (en) | 2013-05-01 |
| CN103072458B true CN103072458B (en) | 2016-03-23 |
Family
ID=48149228
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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|---|---|
| CN (1) | CN103072458B (en) |
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| Publication number | Publication date |
|---|---|
| CN103072458A (en) | 2013-05-01 |
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