CN110500402A - The self shifter transmission system of the uninterrupted power-assisted of single motor power - Google Patents
The self shifter transmission system of the uninterrupted power-assisted of single motor power Download PDFInfo
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- CN110500402A CN110500402A CN201910902869.8A CN201910902869A CN110500402A CN 110500402 A CN110500402 A CN 110500402A CN 201910902869 A CN201910902869 A CN 201910902869A CN 110500402 A CN110500402 A CN 110500402A
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 56
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- 241000219098 Parthenocissus Species 0.000 description 2
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/02—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/04—Smoothing ratio shift
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Hybrid Electric Vehicles (AREA)
- Arrangement Of Transmissions (AREA)
Abstract
The invention discloses a kind of self shifter transmission systems of uninterrupted power-assisted of single motor power, comprising: clutch driven plate is connected by the flywheel of clutch and engine；Gearbox input hollow shaft is connect with clutch driven plate and gearbox driving gear group；Gearbox across rotor hollow shaft inputs hollow shaft；Z1 driving gear is fixedly connected with the rear end of rotor hollow shaft；Z2 driven gear is engaged with Z1 driving gear；The front end of double clutch axis is connect with Z2 driven gear；It is connect in the middle part of double clutch input disc and double clutch axis；Z3 driving gear is fixedly connected with the C1 clutch of double clutch；And Z4 driven gear and gearbox input hollow axis connection；Wherein rotor hollow shaft inputs hollow shaft by Z1 driving gear, Z2 driven gear, double clutch axis, double clutch input disc, C1 clutch, Z3 driving gear, Z4 driven gear and gearbox and forms mixed dynamic power route.It can provide starting whereby, accelerate power-assisted, the hybrid power functions such as power generation of slowing down.
Description
Technical field
The present invention relates to the new type auto gear shift transmission systems of off roader, help in particular to a kind of single motor
Uninterrupted fluid drive transmission system (the Power shift of power power；Abbreviation PS).
Background technique
Existing non-rice habitats transmission system is divided into manual shift power train, the uninterrupted fluid drive transmission of power by shift mode
System, Hydro-mechanical transmission.
1. manual shift power train
When off roader is run, complete machine load variations are big, need frequency using the off roader of manual shift power train
Numerous parking shift, to meet the tractive force and rate request of work tool, employee work intensity is big, and operating efficiency is low, operation matter
It measures unstable；The type powertrain arrangement is simple, manufacture maintenance cost is low.
2. the uninterrupted self shifter power train of power
Refer under engine to the unbroken driving conditions of wheel power, the shift process that gearbox carries out；Required gear becomes
When changing, two clutches for needing to shift gears are according to the variation of control oil pressure, and sequence separates and combines two clutches, in vehicle row
The uninterrupted gear shift of middle realization power is sailed, reduces employee's operation intensity, improve manipulation comfort and operating efficiency.
3. Hydro-mechanical transmission
The power train is made of hydraulic plunger pump/motor/multiple rows of planetary mechanism/wet clutch and brake, is led to
It crosses planet row and two power routes is split into engine power, one is mechanical output route, and power is directly delivered to speed change
Case input shaft；One is hydraulic power route, after machine-liquid-machine power conversion process, realizes whole function with transmission input shaft
The confluence of rate；By power dividing, confluence principle, driveline torque, revolving speed are realized according to car speed and draws force request certainly
Dynamic consecutive variations, guarantee the tractive force and rate request when vehicle speed variation.
The power train realizes the electrodeless automatic variation of vehicle transmission system, and employee's manipulation strength is low, and operating comfort is good, operation
Efficiency, quality are high；Since engine speed, torque and vehicle speed, tractive force are full decoupled, the work that engine can be stable
In low oil consumption region, vibration is small, discharges.
There are following defects for the transmission system of the prior art:
1. manual shift power train disadvantage:
(1) using manual shift power train tractor need frequently parking shift, with meet work tool tractive force and
Rate request, employee work intensity is big, and operating efficiency is low, and operation quality is unstable.
(2) engine speed is directly related with car speed, and vehicle velocity variations cause engine speed variation range big,
Engine cannot work in the range of speeds stabilized the economy at one, and oil consumption is high, discharge is poor, vibration abrasion is big.
2. the uninterrupted self shifter power train of power
(1) power train realizes the uninterrupted fluid drive of vehicle power, but engine speed is direct with car speed
Correlation, changes in vehicle speed cause engine speed variation range big, and engine cannot work the revolving speed stabilized the economy at one
In range, oil consumption is high, discharge is poor, vibration abrasion is big.
(2) there are many clutch quantity and proportioning valve quantity that the powertrain arrangement needs, with the increase of use time, from
Clutch abrasion increases, and the shift control time is changed, and ride comfort is deteriorated, and generates shift shock.
(3) traditional power manual transmission is single power route step type transmission, realizes super creeper gear (Ultra-Low Speed),
Add many complicated deceleration trains；Realization, which is reversed gear, to be needed to add special reverse gear mechanism, and structure is complicated, and occupied space is big；It cannot be real
The now stepless transmission of many job requirements.
(4) currently, import is grasped and relied primarily on to the technology of these systems by offshore company substantially, the power train price
High, price reduction hardly possible, maintenance cost are high.
3. Hydro-mechanical transmission；The universe stepless speed-changing system being made of 4-6 shelves is realized, disadvantage:
(1) mechanical variable speed system of 4-6 gear composition is by multiple rows of planetary mechanism and 4-6 wet clutch or braking
The gear that device is constituted, structure is complicated, and parts machining is with high requirements and high cost.
(2) the hydraulic power separate system being made of hydraulic precision pair, degree clean to assembly use cleannes, maintenance
It is very high to safeguard that cleannes require, needs specific hydraulic fluid, use and maintenance cost is high.
(3) since the technology of these systems is grasped by offshore company substantially, product relies primarily on import, and cost is very high, drops
Valence is difficult.
The information disclosed in the background technology section is intended only to increase the understanding to general background of the invention, without answering
When being considered as recognizing or imply that the information constitutes the prior art already known to those of ordinary skill in the art in any form.
Summary of the invention
The purpose of the present invention is to provide a kind of self shifter transmission systems of uninterrupted power-assisted of single motor power, can
Mixed dynamic power route is provided, to complete engine start, accelerate power-assisted, the functions such as power generation of slowing down.
To achieve the above object, the present invention provides a kind of self shifter power trains of uninterrupted power-assisted of single motor power
System, including electric machine controller, battery, gearbox driving gear group, gearbox driven gear group and shift synchronizer, automatically
Gear shifting transmission system includes: that clutch driven plate is connected by the flywheel of clutch and engine；With clutch driven plate and
The gearbox of gearbox driving gear group spline connection inputs hollow shaft；Gearbox across rotor hollow shaft inputs hollow shaft；
Z1 driving gear is fixedly connected with the rear end of rotor hollow shaft；Z2 driven gear is engaged with Z1 driving gear；Double clutch axis
Front end is connect with Z2 driven gear spline；Double clutch input disc is connect with the middle part spline of double clutch axis；Z3 driving gear
It is fixedly connected with the C1 clutch of double clutch；And Z4 driven gear is connect with gearbox input hollow shaft spline；Its transfer
Sub- hollow shaft passes through Z1 driving gear, Z2 driven gear, double clutch axis, double clutch input disc, C1 clutch, Z3 driving tooth
Wheel, Z4 driven gear and gearbox input hollow shaft form mixed dynamic power route.
In a preferred embodiment, the self shifter transmission system of the uninterrupted power-assisted of single motor power further includes Z5 master
Moving gear, output shaft of gear-box and Z6 driven gear.Z5 driving gear is fixedly connected with the C2 clutch of double clutch；Speed change
Case output shaft is connect with gearbox driven gear group spline；Z6 driven gear is connect with output shaft of gear-box spline, and with Z5 master
Moving gear engagement；Wherein rotor hollow shaft by Z1 driving gear, Z2 driven gear, double clutch axis, double clutch input disc,
C2 clutch, Z5 driving gear, Z6 driven gear and output shaft of gear-box form continual power self shifter power route.
In a preferred embodiment, the self shifter transmission system of the uninterrupted power-assisted of single motor power further includes motor
Shell, motor MG stator, motor MG rotor and gear box casing.Electric machine casing is set to the rear of clutch；Motor MG is fixed
Son is arranged in electric machine casing；Motor MG rotor is arranged in motor MG stator, and with rotor hollow shaft is concentric is fixedly connected；Electricity
The front end of gear box casing is arranged in casing body；Wherein gear box casing is for accommodating Z1 driving gear, Z2 driven gear, Z3 master
Moving gear, Z4 driven gear, double clutch axis, double clutch, Z5 driving gear, Z6 driven gear, output shaft of gear-box, speed change
Case driving gear group and shift synchronizer.
In a preferred embodiment, the rear end inside gear box casing is arranged in double clutch.
In a preferred embodiment, the front end inside gear box casing is arranged in double clutch.
In a preferred embodiment, the self shifter transmission system of the uninterrupted power-assisted of single motor power further includes power
Output shaft is connect with flywheel spline, and is passed through gearbox and inputted hollow shaft, to outside output power.
In a preferred embodiment, the self shifter transmission system of the uninterrupted power-assisted of single motor power further includes center
Driving gear shaft, central driven gear and differential mechanism and rear axle housing body.Central driving gear shaft is connect with output shaft of gear-box；
Central driven gear and differential mechanism are engaged with central driving gear shaft by gear, and export vehicle running power outward；Rear axle
Shell is for accommodating central driven gear and differential mechanism and central driving gear shaft.
Compared with prior art, the self shifter transmission system of the uninterrupted power-assisted of single motor power of the invention has following
The utility model has the advantages that
(1) single motor MG and two wet clutches form two power routes, and one passes through clutch C1 and gearbox
Input shaft is coupled, the mixed dynamic route for forming engine start, accelerating power-assisted, the functions such as power generation of slowing down.One passes through clutch C2
The individual route of connection, power uninterruptible power when output is shifted gears realize self shifter transmission system.
(2) traditional wet clutch power shift power train, one power shift gear of a clutch control, structure is complicated,
Price is high, working service cost is very high, compares traditional power manual transmission, and this programme takes full advantage of original manual dead axle
The advantages of formula gearbox, system structure is simple, high reliablity, cheap, light-weight, on the basis of former Manual shifting systems
It realizes power uninterruptedly to shift gears, the uninterrupted self shifter operation of power that can satisfy off roader 30 or more gears is wanted
It asks.
(3) this programme relies on the reverse rotation of motor, the quick gear reversing function of vehicle may be implemented, and realize 0-Vmax
Any speed of driving in the wrong direction of km/h, meets the various job requirements of vehicle.
(4) this programme relies on the rated power or instantaneous high power function of motor, and booster vehicle low speed heavy load starts to walk,
The requirement to low engine speed large torque or discharge capacity is reduced, vehicle start acceleration request is met.
(5) this programme utilizes the generator property of motor MG, can assist vehicle braking, and recycle braking, descending, idling
Etc. operating conditions when vehicle power to battery.Vehicle oil-saving effect reaches 10-25% under the conditions of non-rice habitats.
(6) this programme has high-power generator system, and by normalization output interface, 220/380V exchange may be implemented
Electricity and set pattern lattice direct current, meet various operation power demands under the conditions of non-rice habitats.
(7) this programme chief components, high power permanent magnet synchronous motor and electric machine controller, high power discharge battery
Etc. technologies and product, local manufacturer grasp and be mass produced completely, localized purchasing channel is broad.Due to motor controller
High reliability and low cost, the manufacture of this power train, working service cost are greatly reduced.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of self shifter transmission system according to an embodiment of the present invention；
Fig. 2 is the structural schematic diagram of the self shifter transmission system of another embodiment according to the present invention；
Fig. 3 is that the machinery of self shifter transmission system according to an embodiment of the present invention and electrical power flow transmission route show
Meaning block diagram.
Main appended drawing reference explanation:
1- engine；2- flywheel；3- clutch driven plate；4- electric machine casing；5- motor MG stator；6- motor MG rotor；
7- rotor hollow shaft；8-Z2 driven gear；9-Z1 driving gear；10- double clutch axis；11- gearbox inputs hollow shaft；12-
Z4 driven gear；13-Z3 driving gear；14-C1 clutch；15- double clutch input disc；16-C2 clutch；17-Z5 is actively
Gear；18-Z6 driven gear；19- power output shaft；The center 20- driven gear and differential mechanism；The center 21- driving gear shaft；
22- rear axle housing body；23- output shaft of gear-box；24- bearing；25- is coupled spline；26- gearbox driven gear group；27- gearbox
Driving gear group；28- shift synchronizer；29- gear box casing.
Specific embodiment
With reference to the accompanying drawing, specific embodiments of the present invention will be described in detail, it is to be understood that guarantor of the invention
Shield range is not limited by the specific implementation.
Unless otherwise explicitly stated, otherwise in entire disclosure and claims, term " includes " or its change
Changing such as "comprising" or " including " etc. will be understood to comprise stated element or component, and not exclude other members
Part or other component parts.
As shown in Figure 1, Fig. 1 is the structural schematic diagram of self shifter transmission system according to an embodiment of the present invention.Root
According to a kind of self shifter transmission system of uninterrupted power-assisted of single motor power of the preferred embodiment for the present invention, including motor control
Device, battery, gearbox driving gear group 27, gearbox driven gear group 26 and shift synchronizer 28, self shifter transmission
System includes: that clutch driven plate 3 is connect by clutch with the flywheel 2 of engine 1；Gearbox inputs hollow shaft 11 and clutch
Device driven disc 3 and the connection of 27 spline of gearbox driving gear group；Gearbox across rotor hollow shaft 7 inputs hollow shaft 11；
Z1 driving gear 9 is fixedly connected with the rear end of rotor hollow shaft 7；Z2 driven gear 8 is engaged with Z1 driving gear 9；Double clutch
The front end of axis 10 is connect with 8 spline of Z2 driven gear；Double clutch input disc 15 is connect with the middle part spline of double clutch axis 10；
Z3 driving gear is fixedly connected with the C1 clutch 14 of double clutch；And Z4 driven gear 12 and gearbox input hollow shaft 11
Spline connection；Wherein rotor hollow shaft 7 passes through Z1 driving gear 9, Z2 driven gear 8, double clutch axis 10, double clutch input
Disk 15, C1 clutch 14, Z3 driving gear, Z4 driven gear 12 and gearbox input hollow shaft 11 form mixed dynamic power route,
To provide the functional modes such as starting, acceleration, power generation of slowing down, cruise to vehicle driving.
In this embodiment, the self shifter transmission system of the uninterrupted power-assisted of single motor power further includes Z5 driving gear
17, output shaft of gear-box 23 and Z6 driven gear 18.Z5 driving gear 17 is fixedly connected with the C2 clutch 16 of double clutch；
Output shaft of gear-box 23 is connect with 26 spline of gearbox driven gear group；Z6 driven gear 18 and 23 spline of output shaft of gear-box connect
It connects, and is engaged with Z5 driving gear 17；Wherein rotor hollow shaft 7 passes through Z1 driving gear 9, Z2 driven gear 8, double clutch axis
10, double clutch input disc 15, C2 clutch 16, Z5 driving gear 17, Z6 driven gear 18 and the formation of output shaft of gear-box 23
Continual power self shifter power route.
In this embodiment, gear Z6 and 23 fixed connection of output shaft of gear-box, rear axle and gearbox gas turbine drive train
In, gear Z6 can be coupled with output shaft of gear-box 23, can also be coupled as one with central driving gear shaft 21.
In this embodiment, gearbox is that fixed shaft type 6 keeps off case, different gears is articulated to by synchronizer, process of putting into gear
By motor put into gear actuator complete；In the structure with auxiliary transmission, the power more than 30 gears is may be implemented in this programme
Shift process.
In this embodiment, the self shifter transmission system of the uninterrupted power-assisted of single motor power of the invention can be completed down
Column multiple functions mode:
Cruising power output mode under advance driving mode: under shelves state, 1 power of engine is transmitted through clutch 3
Onto gearbox input hollow shaft 11；Power in gearbox input hollow shaft 11 is divided into two parts: a part of power is through following
Route is transferred to tire: gearbox input 11 → gearbox of hollow shaft driving gear group 27 → shift 28 → gearbox of synchronizer from
26 → output shaft of gear-box of moving gear group 23 → center driving gear shaft 21 → center driven gear and 20 → wheel of differential mechanism.
Motor MG stator 5, motor MG rotor 6 are coupled with gearbox input hollow shaft 11 by following route: gearbox is defeated
It is driven to enter 15 → Z2 of hollow shaft 11 → Z4 driven gear 12 → Z3 driving gear 13 → C1 clutch 14 → double clutch input disc
Gear 8 → Z1 driving gear 9 → rotor hollow shaft, 7 → motor MG rotor 6.
Motor MG stator 5, motor MG rotor 6 are to be in electric boosted state in generating state, by battery lotus
Load variations, accelerator open degree determine when electricity condition SOC, vehicle cruise；Motor MG stator 5, motor MG rotor 6 are according to above-mentioned parameter
Variation, the Fast transforms between power generation and electric model.
Under cruising condition, since motor MG stator 5, motor MG rotor 6 are in the electronic Fast transforms between power generation mode,
The power storage for collecting vehicle deceleration variation goes out to electric power storage, and power demand changes when booster vehicle accelerates, and motor work is mixing
Under dynamic mode, engine working area is stablized, and fluctuation range is small, and good economy performance, discharge are few.
The uninterrupted shift mode of power under advance driving mode:
Under shift mode: entire car controller (VCU) issues gear shifting signal, and powertrain controllers (TCU) are sent out to executing agency
It executes instruction out.Under direction of advance shift mode, motor MG rotor 6 enters specified or peak power clockwise mode；Specific road
Line is as follows: battery (not shown) output power → 6 reversions of motor MG rotor → 9 → Z2 of rotor hollow shaft 7 → Z1 driving gear
Driven gear 8 → double clutch axis 10 → double clutch input disc 15 → C2 clutch 16 → Z5 driving gear 17 → Z6 driven tooth
Take turns 18 → output shaft of gear-box 23 → center driving gear shaft 21 → center driven gear and 20 → wheel of differential mechanism.When shift,
Clutch driven plate 3 is separated with flywheel 2, and gearbox inputs the input of 11 inactivity of hollow shaft, electronic gear shifting actuating mechanism (non-table
Show) push synchronizer execution to pluck the target shift movement of gear -- neutral gear -- extension, realize transforming gear under the uninterrupted mode of power.All shelves
Position shift process is identical, the shift power route, using the route around transmission input shaft transmitting power, enormously simplifies dynamic
The structure of the uninterrupted manual transmission of power.
Super creep speed acquisition model:
Under creep mode, gearbox is linked into neutral gear；Using the low-speed big characteristic of motor, by adjusting MG electric moter voltage
6 revolving speed of MG rotor is controlled with frequency, is combined by C2 clutch 16, power of motor → Z5 driving gear 17 → Z6 driven tooth is transmitted
Take turns 18 → output shaft of gear-box 23 → center driving gear shaft 21 → center driven gear and 20 → wheel of differential mechanism.Final control
Vehicle Speed is to the stable state close to 0.1km/h.Engine 1 exports exhausted big portion to power output shaft 19 under the operating condition
Divide engine power, is used for apparatus for work power demand.
Reverse mode:
Reversing gear, there are two types of control models: under short-term fast reverse mould formula, using simple electric drive mode, being described as follows: gearbox
Automatically it is linked into neutral gear, by adjusting MG motor backward voltage and frequency, controls MG rotor 6 and rotate counterclockwise；At this point, C2 clutch
16 combinations → 18 → output shaft of gear-box of Z5 driving gear 17 → Z6 driven gear 23 → center driving gear shaft 21 → center from
20 → wheel reversing of moving gear and differential mechanism.
Long-term reverse mode: the particularity of off roader needs vehicle to be maintained under a kind of long-term reverse mode, due to
The limitation of battery gross energy condition, needs the reverse mode under engine working mode, gearbox is linked into sky automatically under the mode
Gear, the C1 clutch 14 and C2 clutch 16 of double clutch are in combination with the idle running of motor MG rotor 6 or power generation；It is described as follows: hair
1 power of motivation → 3 → gearbox of clutch inputs 11 → Z4 of hollow shaft driven gear, 12 → Z3 driving gear 13 → C1 clutch
14 combinations → 16 combinations of double clutch input disc 15 → C2 clutch → Z5 driving gear 17 → Z6,18 → gearbox of driven gear
Output shaft 23 → center driving gear shaft 21 → center driven gear and 20 → wheel of differential mechanism.
Starting assistant mode:
When off roader heavy load starts to walk, vehicle is in short term under hybrid power state, motor MG stator 5, motor MG
6 motoring condition of rotor exports the mechanical output for being up to peak power, and booster vehicle starting accelerates；Vehicle total work when therefore starting to walk
Rate is equal to engine starting power and adds battery output power, and maximum can reach 1.8 times of engine power rating or more, substantially
The requirement to low engine speed starting ability is reduced, reduces vehicle and accelerates starting distance.
It is described as follows: 1 power of engine → 3 → gearbox of clutch input 11 → gearbox of hollow shaft driving gear group 27
→ shift 28 → gearbox of synchronizer driven gear group, 26 → output shaft of gear-box 23 → center driving gear shaft 21 → center from
20 → wheel of moving gear and differential mechanism.
Battery (not shown) power → motor MG stator 5, the starting power-assisted power → rotor hollow shaft 7 of motor MG rotor 6
14 → Z3 of → Z1 driving gear 9 → Z2 driven gear 8 → clutch shaft, 10 → double clutch input disc 15 → C1 clutch is actively
Gear 13 → Z4,12 → gearbox of driven gear inputs hollow shaft 11；Engine 1 and motor MG stator 5,6 power of motor MG rotor
It is flowed in gearbox input hollow shaft 11, by the above-mentioned same route of gearbox, is transmitted to wheel.
Power Recovery mode:
Under vehicle driving deceleration, lower long slope, idling operation, motor MG is transferred to power generation mode, recycling brake power of vehicle, idle
Fast power is stored to battery.
Power generation mode:
This programme is furnished with high-power generator MG, by normalization output interface, exports the electricity of assigned voltage, frequency outward
Power provides electrical power for work tool, expands the overall operation range for being equipped with this power train.
As shown in Fig. 2, Fig. 2 is the structural schematic diagram of the self shifter transmission system of another embodiment according to the present invention.
Fig. 2 embodiment and Fig. 1 embodiment are essentially identical, and the function of being completed is same, the difference is that, Fig. 2 is before double clutch
Structure is set, the power transfer under the various modes of the structure is identical with Fig. 1 double clutch postposition scheme with control model；It is double from
The preposition scheme arrangement of clutch is simple, is suitble to gearbox and rear axle stand-alone configuration；Double clutch postposition scheme is reducing axle for vehicle
Away from upper advantageous, the vehicle structure of suitable gearbox and rear axle integrated, two schemes respectively have in excellent scarce in vehicle
Point.
As shown in figure 3, Fig. 3 is the machinery and electrical power flow of self shifter transmission system according to an embodiment of the present invention
Transmission route schematic block diagram.By gear set and clutch coupling, engine idling slows down and stops for motor MG and transmission input shaft
When vehicle, descending, motor MG generates electricity to charge to energy storage device, and when energy storage device expires state, C1 clutch is disconnected, and motor MG stops turning
It is dynamic；When starting accelerates, traveling accelerates, motor MG motoring condition provides to transmission input shaft and accelerates power-assisted power.When shift,
Motor MG provides shift uninterruptible power to central driving gear shaft by shift speed regulation power route.When vehicle cruise, according to
Vehicle acceleration and deceleration operating condition, motor MG are in power generation/electronic be quickly converted mode.
In conclusion the self shifter transmission system of the uninterrupted power-assisted of single motor power of the invention has the advantage that
1. energy-saving and emission-reduction
This programme utilizes the power transfer route of motor and transmission input shaft, in vehicle deceleration brake, down hill braking, hair
Under the operating conditions such as motivation idling, motor MG absorbs above-mentioned power as generator, stores into vehicle battery, is used for replacing vehicle
The operating conditions such as gear, acceleration, sternway, realize the various functions of hybrid power.Wet clutch C1 is changed under electromagnetic clutch structure,
It can replace the starter on engine, realize the startup function of engine.
2. this programme realizes power shifting using motor, it is advantageously implemented vehicle automation and drives, universe self shifter mould
Formula significantly reduces vehicle operating intensity, improves operating efficiency and quality.
3. structure is simply at low cost
This programme realizes the self shifter of universe gearbox-gear using single motor and shift power transfer route；It adopts
With fixed axis gear gearbox in conjunction with shift route, it is different from traditional power manual transmission mostly by wet clutch, braking
Device, multiple rows of planet speed change mechanism composition；Wet clutch required for traditional power manual transmission, electro-hydraulic proportional valve, substantially
The half of whole gears, this programme only uses single motor and 2 wet clutches, theoretically may be implemented more than 32 gears with
On dynamic power shift gear box.The amount of parts under same gear is greatly reduced, reduces manufacturing cost；Improve product
DESIGN RELIABILITY, reduce the use and maintenance cost of product.
4. smooth gear shifting is accurate
Single motor is shifted gears power route structure, and motor response is fast, and powershift is fast, and speed regulation is fast, and power does not reduce when shift,
Precise control, ride comfort is good, and shift power loss is small；Traditional power manual transmission is changed in the way of two clutch frictions
Gear, vehicle shift power reduce, and power loss is big, and calorific value is big.
5. the starting accelerating power doubled
This programme utilizes power of motor drive path, under vehicle start acceleration mode, using hybrid mode, i.e. vehicle
Power is equal to the power that engine power adds battery output, and it is engine power rating that maximum, which can export vehicle start power,
1.8 times or more, greatly reduce starting acceleration distance；Traditional power shifts gears power train as engine list power source system, does not have
The hybrid power for thering is battery to export.
6. ultralow creep speed
Under creep mode, gearbox is linked into neutral gear；Using the low-speed big characteristic of motor, by adjusting MG electric moter voltage
6 revolving speed of MG rotor is controlled with frequency, realizes Vehicle Speed to the stable state close to 0.1km/h.Start under the operating condition
Machine 1 exports most engine powers to power output shaft 19, is used for apparatus for work power demand.Traditional power shift speed change
Case realizes ultralow creeper gear speed, needs multiple tracks reducer with big speed ratio structure, and structure is complicated, space difficulty arrangement.
7. under vehicle driving deceleration, lower long slope, idling operation, motor MG is transferred to power generation mode, recycling brake power of vehicle,
Idling power is stored to battery.
8. quick reverse mode
Under short-term fast reverse mould formula, using pure motor drive mode, fast feature is responded using motor, it is anti-to fast implement wheel
Turn；Traditional power manual transmission, which needs to design, to reverse gear structure, when retroversion, needs to complete that forward gear plucks gear, parking, extension reverse gear
Movement, can not achieve fast reverse mould formula.
9. all components of this programme, motor and electric machine controller, the technologies such as capacity cell and product, domestic procurement channel
It is perfect.The cost declining space in design cost and future is huge.Traditional power shift power train hydraulic wet clutch, ratio
The key technologies such as control valve rely on import substantially, and mating low efficiency, room for price-cut is small.
10. this programme is furnished with high-power generator MG, by normalization output interface, assigned voltage, frequency are exported outward
Electrical power, to need the work tool of electrical power to provide electrical power, expand be equipped with this programme vehicle operation range.
The aforementioned description to specific exemplary embodiment of the invention is in order to illustrate and illustration purpose.These descriptions
It is not wishing to limit the invention to disclosed precise forms, and it will be apparent that according to the above instruction, can much be changed
And variation.The purpose of selecting and describing the exemplary embodiment is that explaining specific principle of the invention and its actually answering
With so that those skilled in the art can be realized and utilize a variety of different exemplary implementation schemes of the invention and
Various chooses and changes.The scope of the present invention is intended to be limited by claims and its equivalents.
Claims (7)
1. a kind of self shifter transmission system of the uninterrupted power-assisted of single motor power, including electric machine controller, battery, gearbox
Driving gear group, gearbox driven gear group and shift synchronizer, which is characterized in that the self shifter transmission system packet
It includes:
Clutch driven plate is connected by the flywheel of clutch and engine；
Gearbox inputs hollow shaft, connect with the clutch driven plate and the gearbox driving gear group spline；
Rotor hollow shaft, the gearbox input hollow shaft pass through the rotor hollow shaft；
Z1 driving gear is fixedly connected with the rear end of the rotor hollow shaft；
Z2 driven gear is engaged with the Z1 driving gear；
Double clutch axis, front end are connect with the Z2 driven gear spline；
Double clutch input disc is connect with the middle part spline of the double clutch axis；
Z3 driving gear is fixedly connected with the C1 clutch of the double clutch；And
Z4 driven gear is connect with gearbox input hollow shaft spline；
Wherein the rotor hollow shaft passes through the Z1 driving gear, the Z2 driven gear, the double clutch axis, described pair
Clutch input disc, the C1 clutch, the Z3 driving gear, the Z4 driven gear and the gearbox input hollow shaft
Form mixed dynamic power route.
2. the self shifter transmission system of the uninterrupted power-assisted of single motor power as described in claim 1, which is characterized in that also wrap
It includes:
Z5 driving gear is fixedly connected with the C2 clutch of the double clutch；
Output shaft of gear-box is connect with the gearbox driven gear group spline；And
Z6 driven gear is connect with the output shaft of gear-box spline, and is engaged with the Z5 driving gear；
Wherein the rotor hollow shaft passes through the Z1 driving gear, the Z2 driven gear, the double clutch axis, described pair
Clutch input disc, the C2 clutch, the Z5 driving gear, the Z6 driven gear are formed with the output shaft of gear-box
Continual power self shifter power route.
3. the self shifter transmission system of the uninterrupted power-assisted of single motor power as claimed in claim 3, which is characterized in that also wrap
It includes:
Electric machine casing is set to the rear of the clutch；
Motor MG stator is arranged in the electric machine casing；
Motor MG rotor is arranged in the motor MG stator, and with the rotor hollow shaft is concentric is fixedly connected；And
The front end of the gear box casing is arranged in gear box casing, the electric machine casing；
Wherein, the gear box casing for accommodate the Z1 driving gear, the Z2 driven gear, the Z3 driving gear,
It is the Z4 driven gear, the double clutch axis, the double clutch, the Z5 driving gear, the Z6 driven gear, described
Output shaft of gear-box, the gearbox driving gear group and the shift synchronizer.
4. the self shifter transmission system of the uninterrupted power-assisted of single motor power as claimed in claim 3, which is characterized in that described
The rear end inside the gear box casing is arranged in double clutch.
5. the self shifter transmission system of the uninterrupted power-assisted of single motor power as claimed in claim 3, which is characterized in that described
The front end inside the gear box casing is arranged in double clutch.
6. the self shifter transmission system of the uninterrupted power-assisted of single motor power as described in claim 1, which is characterized in that also wrap
Power output shaft is included, is connect with the flywheel spline, and passes through the gearbox and inputs hollow shaft, it is dynamic to export outward
Power.
7. the self shifter transmission system of the uninterrupted power-assisted of single motor power as claimed in claim 2, which is characterized in that also wrap
It includes:
Central driving gear shaft is connect with the output shaft of gear-box；
Central driven gear and differential mechanism are engaged by gear with the central driving gear shaft, and export vehicle row outward
Sail power；And
Rear axle housing body is used to accommodate the central driven gear and differential mechanism and the central driving gear shaft.
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| CN201910902869.8A CN110500402B (en) | 2019-09-24 | 2019-09-24 | Single motor power uninterrupted power-assisted automatic gear shifting transmission system |
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| CN110500402B (en) | 2024-06-25 |
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