CN101927695A - Structure-optimized active transmission device for vehicle - Google Patents
Structure-optimized active transmission device for vehicle Download PDFInfo
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- CN101927695A CN101927695A CN2009100537006A CN200910053700A CN101927695A CN 101927695 A CN101927695 A CN 101927695A CN 2009100537006 A CN2009100537006 A CN 2009100537006A CN 200910053700 A CN200910053700 A CN 200910053700A CN 101927695 A CN101927695 A CN 101927695A
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Abstract
The invention relates to a structure-optimized active transmission device for a vehicle. The device comprises an axis-fixed transmission, a clutch, a main driving motor, a synchronization mechanism and a control unit, wherein the axis-fixed transmission is arranged in a transmission case shell; an driving part of the clutch is connected with an engine flywheel for the vehicle, while a driven part is connected with the front end of an input shaft of the speed reducer; an active driving motor is controllably connected with the input shaft or a foot shaft of the transmission through an inertial synchronizer; and the control unit controls a separation operation mechanism on the clutch, the axis-fixed transmission, the active driving motor, the inertial synchronizer and a gear shift operation mechanism through an electrical signal. Compared with the prior art, the device has the advantages of making full use of a radial space size, solving the problem of movement interference with a half-axle to the maximum extent, being compatible with two-axle or three-axle transmission with different output forms, reducing an overall axial space size and achieving good technological inheritance.
Description
Technical field
The present invention relates to a kind of active transmission device, especially relate to a kind of active transmission device for vehicle of structure optimization.
Background technology
In the main change-speed box kind of traditional vehicle transmission technical field, axis fixed hand-operated transmission (MT) driving efficiency height is made 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, especially at special driving cycles such as uphill startings, and relative other types transmission operating inconvenience; In addition, the bad wearing and tearing that can increase consumption of fuel and driving engine of gear shift timing, the operation burden of chaufeur is heavy.There is proposition to substitute in the known technology and finishes hand shift manipulation, promptly so-called automated mechanical transmission (AMT) with the automatic guidance gearshift.But this technology has significantly 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.
As the disclosed transmission original paper of patent of invention (CN200580017789.0), but it is very big to be somebody's turn to do invention difficulty in structure realizes, the restriction that the power capability of motor is subjected to the space can not increase, and motor next-door neighbour driving engine, working environment is more abominable, because after the motor introducing, existing clutch configuration can not directly adopt, this has increased the difficulty of the system integration in addition.
The technical scheme that patent EP1042135B1 discloses is provided with assist motor and auxiliary engaging and disengaging gear, but this scheme complexity, is subjected to the restriction in space etc. in the realization.
Application publication 200810042073.1 discloses a kind of electric servodrive apparatus of hybrid automobile, and the simplification that has solved fixed shaft transmission is controlled and double dynamical input single action power output problem.But still can not thoroughly solve gearshift procedure power interruption problem.
Comprehensive relatively other similar known solution as seen, existing solution in restructuring program at fixed axis formula change speed gear box, the power interruption problem with separate and the baroque problem of combining device more outstanding.
Summary of the invention
Purpose of the present invention is exactly to provide in order to overcome the defective that above-mentioned prior art exists that a kind of compact conformation, cost are lower, the active transmission device for vehicle of the structure optimization of easy accessibility.
Purpose of the present invention can be achieved through the following technical solutions:
A kind of active transmission device for vehicle of structure optimization, it is characterized in that, this device comprises the axis fixed change-speed box, power-transfer clutch, main drive motor, synchronizer gear and control unit, described axis fixed change-speed box is arranged in the gear box casing, comprise an input shaft and at least one rhizopodium axle, the A end of described power-transfer clutch is connected with the vehicular engine flywheel, secondary part is connected with the front end of input shaft, described main drive motor stator support is on gear box casing, powershift function by synchronizer gear, rotor controlled with input shaft or foot axle engagement rotation synchronously, described control unit by electric signal to the separation steering unit on the power-transfer clutch, the axis fixed change-speed box, main drive motor, inertial type of synchronizer, selector device is controlled.
Described main drive motor is arranged on the front end of input shaft, and the rotor sky of main drive motor is enclosed within on the input shaft.
Described synchronizer gear is an inertia synchronizer.
The axis fixed change-speed box comprises that an input shaft is connected with propulsion source, an output shaft is connected, places the some tween drive shafts of input shaft and output shaft with wheel.Wherein be also referred to as sufficient axle with the synchronous axle system of rotating of wheel all the time without speed-changing mechanism in output shaft and the tween drive shaft, promptly sufficient rotative speed and wheel are synchronous, remain definite revolution ratio.
Compared with prior art, the present invention is simple in structure, efficiently solves power by the switching of drive motor between input shaft and foot axle and imports active power-assisted problem, adapts to the desired various operating modes of hybrid electric vehicle complete vehicle better.Fundamentally solve the power interruption problem in the fixed shaft type speed variator shift process, adopted the inertia synchronizer synchronizer gear, compact conformation, cost is low, and is reliability and durability.
When car load uses, conveniently carry out spatial destribution, have the following advantages:
(1) drive motor is arranged at the input shaft side of axis fixed change-speed box, main drive motor rotor sky is enclosed within on the input shaft, main drive motor is near engine flywheel, utilize the radial space size as wide as possible, solve movement interference problem to greatest extent with semiaxis, and the change speed gear box of compatible (two-axis or triple axle etc.) different output forms, the technology application popularization is wider;
(2) rotor keeps the technical characterictic be connected with the inertial type of synchronizer tension side, but hollow shaft is adopted in being connected of rotor and inertial type of synchronizer, rotate around input shaft, the use of hollow shaft can effectively utilize axial space, convenient layout under automobile-used situation, the cooresponding foot axle of synchronizer gear is provided with monolateral synchromesh unit, can with the monolateral synchro synchronization action or the independent manipulation of other layout, further reduce integral shaft to bulk;
(3) main drive motor and inertial type of synchronizer can be configured to have the osed top shell, become a standalone module, as long as existing like this change-speed box is through limited structural change, with input shaft lengthening and tween drive shaft one end is overhanging, just can realize and being connected and power coupling of this standalone module having good technology inheritance.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the apparatus structure scheme drawing that input side main drive motor and inertial type of synchronizer constitute standalone module.
1 is the automotive engine flywheel among the figure, 2 is power-transfer clutch, 3 is the axis fixed change-speed box, 4 is electric machine casing, 5 is main drive motor, 6 is inertial type of synchronizer, 7 is gear box casing, 8 is input shaft, 9 is the main drive motor stator, 10 is the main drive motor rotor, 11 is the synchronized gear shift speed-changing mechanism, 12 is the foot axle, 13 is the disengaging of clutch steering unit, 14 is the motor-driven control unit, 15 is electronic control unit, 16 are gear detection/selected cell, 17 is selector device, 18 is motor and synchronizer gear assembly module.
The specific embodiment
The present invention is described in detail below in conjunction with the drawings and specific embodiments.
For solving gear shift power interruption problem, the present invention proposes that assist motor is set and change-speed box constitutes incorporate active transmission device.Adopt synchronizer gear in main drive motor and being connected of fixed axle gearbox, with the main drive motor rotor be connected as the input shaft of the change speed gear box of imput shaft or as the foot axle synchromesh of the change speed gear box of driven axle.The transmission that need make full use of change speed gear box for climbing, large throttle starting etc. recently realizes the reduction of speed of main drive motor is increased torsion effect with main drive motor rotor and the engagement of change speed gear box input shaft, change speed gear box is put neutral gear, can also realize function by input shaft and power-transfer clutch start the engine.For gear shift, brake snub etc. for the vehicle output torque steadily and the operating mode that has higher requirements of continuity, then can be with main drive motor rotor and the engagement of change speed gear box foot axle, guarantee that the main drive motor torque can affact on the wheel continuously reliably, reduce the wheel torque fluctuation.
The present invention proposes to adopt inertia synchronizer to carry out the separation and the switching of power as synchronizer gear, and it can guarantee that sliding hub can not contact before reaching synchronously with spline gear to be joined from structure, with the reliability of assurance mechanism.Other mechanism that compares, this mechanism is best for the inheritance of fixing shaft type change speed gear box technology.
Be further described with reference to the accompanying drawings below:
As shown in Figure 1, a kind of active transmission device for vehicle of structure optimization comprises automotive engine flywheel 1, power-transfer clutch 2, axis fixed change-speed box 3, electric machine casing 4, main drive motor 5, inertial type of synchronizer 6, gear box casing 7, input shaft 8, main drive motor stator 9, main drive motor rotor 10, synchronized gear shift speed-changing mechanism 11, foot axle 12, disengaging of clutch steering unit 13, motor-driven control unit 14, electronic control unit 15, gear detection/selected cell 16, selector device 17.The A end of power-transfer clutch 2 is connected with vehicular engine flywheel 1, main drive motor 5 and inertial type of synchronizer 6 are arranged in the electric machine casing 4, axis fixed change-speed box 3 is arranged in the gear box casing 7, the secondary part of power-transfer clutch 2 is connected with the front end of input shaft 8, the input shaft 8 of a plurality of gear drives and synchronizer shift speed-changing mechanism 11 adapter shaft wire mounting change-speed boxs 3 and foot axle 12, by in conjunction with different gears, change the transmitting ratio between each turning cylinder, and has a transmission of power that at least one neutral gear can cut off input shaft 8 and foot axle 12, main drive motor 5 is arranged on the front end of input shaft 8, saved the space, main drive motor stator 9 is arranged on the electric machine casing 4, main drive motor rotor 10 skies are enclosed within on the inertial type of synchronizer 6, with inertial type of synchronizer 6 by being connected around the hollow shaft on the input shaft 8, the tooth of inertia synchronizer 6 both sides cover Meshing Pair by the cover of the tooth on the tween drive shaft indirectly with 12 engagements of foot axle or with input shaft 8, directly engagement of tooth cover on the foot axle 12, thereby main drive motor rotor 10 is by inertial type of synchronizer 6 and input shaft 8, tween drive shaft or 10 synchromeshs of foot axle, control unit comprises motor-driven control unit 14, electronic control unit 15 and gear shift detection/selected cell 16, by electric signal to the separation steering unit 13 on the power-transfer clutch 2, axis fixed change-speed box 3, main drive motor 5, inertial type of synchronizer 6, synchronized gear shift speed-changing mechanism 11 and selector device 17 are controlled, main drive motor 5 is accepted the control of electronic control unit 15 by motor-driven control unit 14, gear detection/selected cell 16 detected signals are input to electronic control unit 15, electronic control unit 15 control shifting of transmission steering units 17 are meanwhile controlled synchronized gear shift speed-changing mechanism 11.For example, when detecting chaufeur the action of stepping on accelerator pedal or brake pedal is arranged, electronic control unit 15 control clutchs separate steering unit 13, and the output by motor-driven control unit 14 control main drive motors 5.
The advantage of this embodiment is to dwindle axial dimension, and can further make full use of axial space by synchronized gear shift speed-changing mechanism 11 being arranged on the parallel tween drive shaft of inertial type of synchronizer 6, reaches the purpose of dwindling the change speed gear box lengthwise dimension.
As shown in Figure 2, the main drive motor 5 of active transmission device for vehicle input side constitutes standalone module with inertial type of synchronizer 6, comprises automotive engine flywheel 1, power-transfer clutch 2, axis fixed change-speed box 3, electric machine casing 4, main drive motor 5, inertial type of synchronizer 6, gear box casing 7, input shaft 8, main drive motor stator 9, main drive motor rotor 10, synchronized gear shift speed-changing mechanism 11, foot axle 12, disengaging of clutch steering unit 13, motor-driven control unit 14, electronic control unit 15, gear detection/selected cell 16, selector device 17, motor and synchronizer gear assembly module 18.The A end of power-transfer clutch 2 is connected with vehicular engine flywheel 1, main drive motor 5 and inertial type of synchronizer 6 combine, constitute motor and synchronizer gear assembly module 18, this module 18 is arranged in the electric machine casing 4, axis fixed change-speed box 3 is arranged in the gear box casing 7, the secondary part of power-transfer clutch 2 is connected with the front end of input shaft 8, the input shaft 8 of a plurality of gear drives and synchronizer shift speed-changing mechanism 11 adapter shaft wire mounting change-speed boxs 3 and foot axle 12, by in conjunction with different gears, change the transmitting ratio between each turning cylinder, and has a transmission of power that at least one neutral gear can cut off input shaft 8 and foot axle 12, motor and synchronizer gear assembly module 18 are arranged on the front end of input shaft 8, main drive motor stator 9 is arranged on the electric machine casing 4, main drive motor rotor 10 skies are enclosed within on the inertial type of synchronizer 6, with inertial type of synchronizer 6 by being connected around the hollow shaft on the input shaft 8, the tooth of inertia synchronizer 6 both sides cover Meshing Pair by the cover of the tooth on the tween drive shaft indirectly with 12 engagements of foot axle or with input shaft 8, directly engagement of tooth cover on the foot axle 12, thereby main drive motor rotor 10 is by inertial type of synchronizer 6 and input shaft 8, tween drive shaft or 12 synchromeshs of foot axle, control unit comprises motor-driven control unit 14, electronic control unit 15 and gear shift detection/selected cell 16, by electric signal to the separation steering unit 13 on the power-transfer clutch 2, axis fixed change-speed box 3, main drive motor 5, inertial type of synchronizer 6, synchronized gear shift speed-changing mechanism 11 and selector device 17 are controlled, main drive motor 5 is accepted the control of electronic control unit 15 by motor-driven control unit 14, gear detection/selected cell 16 detected signals are input to electronic control unit 15, electronic control unit 15 control shifting of transmission steering units 17 are meanwhile controlled synchronized gear shift speed-changing mechanism 11.
Motor and synchronizer gear assembly module 18 are arranged between power-transfer clutch and the change speed gear box, and its beneficial effect is to reach under the prerequisite of effect of the present invention, and be less to the change of existing change speed gear box, can make full use of the existing product basis.
Following emphasis is described the power interruption controlled step that how to reduce in the gearshift procedure:
(1) vehicle is in initial gear, inertial type of synchronizer 6 and input shaft 8 engagements;
(2) gear detection/selected cell 16 detects the gear shift action of chaufeur;
(3) 6 runnings of electronic control unit 15 control inertial type of synchronizer make main drive motor rotor 10 separate with input shaft 8;
(4) electronic control unit 15 control inertial type of synchronizer 6 runnings are connected with a joggle main drive motor rotor 10 and foot axle 12;
(5) electronic control unit 15 control main drive motors 5 output torques, part is followed the input of chaufeur, shares the torque requests of driving engine;
(6) electronic control unit 15 control clutchs separation steering unit 13 makes diaphragm separate with power-transfer clutch 2, strengthens the torque output of main drive motor 5 therebetween synchronously;
(7) electronic control unit 15 control shifting of transmission steering units 17 are finished the gear shift action;
(8) electronic control unit 15 control clutchs separation steering unit 13 makes diaphragm combine with power-transfer clutch 2, reduces the torque output of main drive motor 5 therebetween synchronously;
(9) electronic control unit 15 control inertial type of synchronizer 7 runnings make main drive motor rotor 11 separate with the foot axle 12 of change-speed box 3;
(10) 7 runnings of electronic control unit 17 control inertial type of synchronizer are connected with a joggle the main drive motor rotor 11 and the input shaft 9 of change-speed box 3;
(11) vehicle travels under new gear, and gear shift control is finished.
Claims (3)
1. the active transmission device for vehicle of a structure optimization, it is characterized in that, this device comprises the axis fixed change-speed box, power-transfer clutch, main drive motor, synchronizer gear and control unit, described axis fixed change-speed box is arranged in the gear box casing, comprise an input shaft and at least one rhizopodium axle, the A end of described power-transfer clutch is connected with the vehicular engine flywheel, secondary part is connected with the front end of input shaft, described main drive motor stator support is on gear box casing, powershift function by synchronizer gear, rotor controlled with input shaft or foot axle engagement rotation synchronously, described control unit by electric signal to the separation steering unit on the power-transfer clutch, the axis fixed change-speed box, main drive motor, inertial type of synchronizer, selector device is controlled.
2. the active transmission device for vehicle of a kind of structure optimization according to claim 1 is characterized in that, described main drive motor is arranged on the front end of input shaft, and the rotor sky of main drive motor is enclosed within on the input shaft.
3. the active transmission device for vehicle of a kind of structure optimization according to claim 1 is characterized in that, described synchronizer gear is an inertia synchronizer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100537006A CN101927695A (en) | 2009-06-24 | 2009-06-24 | Structure-optimized active transmission device for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100537006A CN101927695A (en) | 2009-06-24 | 2009-06-24 | Structure-optimized active transmission device for vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN101927695A true CN101927695A (en) | 2010-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100537006A Pending CN101927695A (en) | 2009-06-24 | 2009-06-24 | Structure-optimized active transmission device for vehicle |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102303522A (en) * | 2011-07-26 | 2012-01-04 | 同济大学 | Triaxial type active transmission device of automobile |
| CN102555766A (en) * | 2012-01-10 | 2012-07-11 | 重庆青山工业有限责任公司 | Hybrid transmission assembly |
| CN102678849A (en) * | 2012-05-30 | 2012-09-19 | 长城汽车股份有限公司 | Hybrid transmission |
| CN103072458A (en) * | 2012-11-19 | 2013-05-01 | 重庆青山工业有限责任公司 | Active transmission device for hybrid vehicle |
| CN104879451A (en) * | 2015-04-15 | 2015-09-02 | 同济大学 | Hybrid electric vehicle electromechanical hybrid transmission assembly with three freedom degrees and double middle shafts |
| CN106143111A (en) * | 2016-07-07 | 2016-11-23 | 河南通宇新源动力有限公司 | A kind of integrated form hybrid power system |
-
2009
- 2009-06-24 CN CN2009100537006A patent/CN101927695A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102303522A (en) * | 2011-07-26 | 2012-01-04 | 同济大学 | Triaxial type active transmission device of automobile |
| CN102555766A (en) * | 2012-01-10 | 2012-07-11 | 重庆青山工业有限责任公司 | Hybrid transmission assembly |
| CN102555766B (en) * | 2012-01-10 | 2014-11-26 | 重庆青山工业有限责任公司 | Hybrid transmission assembly |
| CN102678849A (en) * | 2012-05-30 | 2012-09-19 | 长城汽车股份有限公司 | Hybrid transmission |
| CN103072458A (en) * | 2012-11-19 | 2013-05-01 | 重庆青山工业有限责任公司 | Active transmission device for hybrid vehicle |
| CN103072458B (en) * | 2012-11-19 | 2016-03-23 | 重庆青山工业有限责任公司 | hybrid vehicle active transmission device |
| CN104879451A (en) * | 2015-04-15 | 2015-09-02 | 同济大学 | Hybrid electric vehicle electromechanical hybrid transmission assembly with three freedom degrees and double middle shafts |
| CN106143111A (en) * | 2016-07-07 | 2016-11-23 | 河南通宇新源动力有限公司 | A kind of integrated form hybrid power system |
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Application publication date: 20101229 |