CN110242409A - Series-connected double motors universe self shifter transmission system - Google Patents
Series-connected double motors universe self shifter transmission system Download PDFInfo
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- CN110242409A CN110242409A CN201910623254.1A CN201910623254A CN110242409A CN 110242409 A CN110242409 A CN 110242409A CN 201910623254 A CN201910623254 A CN 201910623254A CN 110242409 A CN110242409 A CN 110242409A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
- B60K6/26—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the motors or the generators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
- B60K6/36—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/50—Architecture of the driveline characterised by arrangement or kind of transmission units
- B60K6/54—Transmission for changing ratio
- B60K6/547—Transmission for changing ratio the transmission being a stepped gearing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B61/00—Adaptations of engines for driving vehicles or for driving propellers; Combinations of engines with gearing
- F02B61/06—Combinations of engines with mechanical gearing
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Hybrid Electric Vehicles (AREA)
- Arrangement Of Transmissions (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention discloses a kind of series-connected double motors universe self shifter transmission systems.The series-connected double motors universe self shifter transmission system includes: engine power input system；Motor independence output system comprising: the second motor, the second rotor output shaft and the second motor power transmission system, the second rotor output shaft are connect by the second motor power transmission system with engine power output system；And, motor energy storage speed-regulating system, comprising: first motor, energy storage device and first motor armature spindle, the first motor is connect with energy storage device, the energy storage device is connect with the second motor, and three engine power output shaft, first motor armature spindle, the second rotor output shaft axis form coaxial nested structure.The series-connected double motors universe self shifter transmission system bears the power of former gearbox route transmitting by motor and separate transmission route, significantly reduces the labor intensity of employee, improves operating efficiency and quality.
Description
Technical field
The present invention relates to engine arts, especially with regard to a kind of series-connected double motors universe self shifter transmission system.
Background technique
Existing tractor transmission system is divided into the uninterrupted self shifter of manual shift power train, power by shift mode and is driven
System and Hydro-mechanical transmission (HMCVT).Wherein,
1. manual shift power train
When Field-working Tractor-implement, greatly due to the variation of soil resistance, complete machine load variations are big, using manual shift power train
Tractor need frequently parking shift, to meet farm implements operation tractive force and rate request, employee work intensity is big, operation effect
Rate is low, and operation quality is unstable；Meanwhile engine speed is directly related with tractor speed, vehicle velocity variations cause to start
Machine rotation speed change range is big, and engine cannot work in the range of speeds stabilized the economy at one, cause oil consumption is high, discharge is poor,
Vibration abrasion is big.The type powertrain arrangement is simple, manufacture maintenance cost is low, and the purchase for being suitble to peasant user current is horizontal.The world
Advanced country, manual shift power train are applied on 80Hp horsepowers or less Tractor Products more.
2. the uninterrupted self shifter power train of tractor dynamic power
Under the unbroken driving conditions of power for referring to engine to gearbox, the shift process of progress；Using Wet-type multi-disc
Clutch is as gear shifting actuating mechanism, when required gear converts, variation of two clutches of shift according to control oil pressure, and sequence
It separates and combines two clutches, not parking gear shift is realized in tractor load, solve manual shift power train work
When industry the problem of parking shift, reduces employee's operation intensity, improves manipulation comfort and operating efficiency.But power not between
Disconnected self shifter power train engine speed is directly related with tractor speed, and tractor speed variation causes engine speed to become
Change range is big, and engine cannot work in the range of speeds stabilized the economy at one, and engine consumption is high, discharge is poor, vibration mill
Damage is big.Meanwhile tractor due to job requirements it is more, numbers of gear steps is more, the clutch quantity and ratio that this kind of powertrain arrangement needs
There are many example valve, by taking 160 horsepowers of 16 grades of gearboxes as an example: universe automatic gear-box needs 8 clutches, 8 hydraulic proportion valves；By
In the reason of the consistency, it is fixed that the shift performance of the type power train need to raise test-object in dedicated delivery test platform, with using the time
Growth, clutch abrasion increase, shift control the time changed, ride comfort be deteriorated, generate shift shock.Currently, this
Import is grasped and relied primarily on to the technology of a little systems by offshore company substantially, the powertrain arrangement is complicated, price is high, price reduction is difficult,
Maintenance cost is high.Due to price, advanced country in the world, power shifting power train is applied more to be produced in 80-200Hp tractor
On product.
3. Hydro-mechanical transmission (HMCVT)
The power train is made of hydraulic plunger pump/motor/multiple rows of planetary mechanism/wet clutch and brake, main
Wanting advantage is: being split into two power routes to engine power by planet row, one is mechanical output route, and power is direct
It is transmitted to transmission input shaft；One is hydraulic power route, after machine-liquid-machine power conversion process, with transmission input shaft
Realize the confluence of whole power；By power dividing, confluence principle, realize driveline torque, revolving speed according to tractor speed with
Traction force request automatically continuously changes, and guarantees the tractive force and rate request when tractor speed change.
The power train (HMCVT) realizes the stepless automatic variation of Tractor Power Train, and employee's manipulation strength is low, and operation is comfortable
Property it is good, operating efficiency, quality are high；Since engine speed, torque are full decoupled (uncorrelated) to vehicle speed, tractive force, hair
Motivation can be stable work in low oil consumption region, shake it is small, discharge.
High pressure Variable plunger pump/motor, proportioning valve used by the power train (HMCVT) etc. belongs to precise hydraulic couple,
It is very high to assembling clean degree, being required using cleannes, maintenance cleannes, need specific hydraulic fluid, use and maintenance cost
It is high；The system speed-variable case realizes that the region of 4-6 gear becomes using multiple rows of planetary mechanism and wet clutch or brake
It changes, the systematic part quantity is more, and structure is complicated, and system core technology is grasped by offshore company substantially, and product relies primarily on import,
The power train is at high cost, price reduction is difficult.Due to price and working service, the system is considerably less in Chinese market usage amount.
Due to price, advanced country in the world, Hydro-mechanical transmission (HMCVT) is applied in 200--400Hp more
On Tractor Products.
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 simple and reasonable series-connected double motors universe self shifter transmission system,
The series-connected double motors universe self shifter transmission system is born former gearbox route by motor and separate transmission route and is passed
The power passed significantly reduces the labor intensity of employee, improves operating efficiency and quality.
To achieve the above object, the present invention provides a kind of series-connected double motors universe self shifter transmission systems, comprising: hair
Motivation power feed system comprising: engine, engine flywheel, first clutch and engine power output shaft, the hair
Motivation is connect by the driven disc of first clutch with engine power output shaft；Gearbox, with transmission input shaft and
Output shaft of gear-box；Motor independence output system comprising: the second motor, the second rotor output shaft and the second motor
Power-transmission system, the second motor include: the second motor stator and the second rotor, second rotor and the second motor
Rotor of output shaft axle connection, the second rotor output shaft pass through the second motor power transmission system and engine power output system
Connection；And motor energy storage speed-regulating system comprising: first motor, energy storage device and first motor armature spindle, described
One motor is connect with energy storage device, and the energy storage device is connect with the second motor, and the first motor includes: first motor stator
With first motor rotor, the first motor rotor and first motor armature spindle are rigidly connected, the both ends of first motor armature spindle
It is connect respectively with the driven disc of first clutch and transmission input shaft, the engine power output shaft is coaxially threaded through first
In rotor axis of electric, transmission input shaft, and it is connect with engine power output system；The first motor armature spindle is coaxially worn
It is located in the second rotor output shaft, the engine power output shaft, first motor armature spindle, the output of the second rotor
Three axis of axis form coaxial nested structure；The first motor stator is Chong Die with the second motor stator axle center to be installed in series；It is full negative
When carrying shift, engine power output system described in second motor driven carries out power output, the first motor adjustment
Transmission input shaft synchronous rotational speed, shift actuator push synchronizer realization to pluck gear, neutral gear, process of putting into gear.
In a preferred embodiment, first motor and the second motor are permanent magnet synchronous motor.
In a preferred embodiment, energy storage device includes battery and power output module.
In a preferred embodiment, the second motor power transmission system includes: the second motor output shaft and driving tooth
Wheel, the first driven gear, driven gear shaft, the second power of motor transmitting assembly, power shifting transmission shaft, shift clutch are actively
Disk, shift clutch driven shaft, driving gear and the second driven gear.
In a preferred embodiment, engine power output system includes: power output shaft, central transmission driving tooth
Wheel shaft, central transmission driven gear and differential side output gear and semiaxis；One end of the central transmission driving gear shaft
It is connect with output shaft of gear-box, the other end passes through central transmission driven gear and differential side output gear and half axis connection.
In a preferred embodiment, first motor stator and the second motor stator are mounted on a first motor and
In two motor stator common enclosure bodies.
In a preferred embodiment, first motor and the second motor stator share shell and gear box casing passes through spiral shell
It tethers and connects.
In a preferred embodiment, the gearbox body antetheca of gearbox and first motor and the second motor stator share
Second motor output gear chamber cap of shell fastens to form the second motor power gear output room.
Compared with prior art, series-connected double motors universe self shifter transmission system according to the present invention has following beneficial
Effect:
(1) this programme, for the self shifter for realizing whole gears, devises motor on the basis of traditional manual gearbox
Power independence transfer route, the motor power (output) transfer route are not overlapped with gearbox power transmission route, when full load is shifted gears,
The power of former gearbox route transmitting is born by motor and separate transmission route, another motor adjustment gearbox is defeated
Enter axis synchronous rotational speed, shift actuator pushes synchronizer realization to pluck gear, neutral gear, process of putting into gear；The shift principle realizes speed change
The self shifter of case whole gear.
(2) with the variation of vehicle load, the gear of adjust automatically step type gearbox is greatly reduced this programme power train
The labor intensity of employee, improves operating efficiency and quality；Simultaneously as motor fast response time, smooth gear shifting is excellent,
Shift time is short, reduces the frictional work of clutch, improves the service life and reliability of clutch.
(3) this programme self shifter structure can fast implement transforming gear, stabilize with the variation of external load
Engine working area reduces the total oil consumption of engine in operation, emission level；Overall operation efficiency is higher than manual shift speed change
Case.
(4) this programme relies on independent electric-motor drive route, and the tractor speed of travel may be implemented independently of engine
The revolving speed of power output shaft, meanwhile, realize speed of travel variable speed (CVT) function.Travel speed can be searched out and made
The optimal match point of industry equipment actual speed improves operating efficiency, reduces oil consumption, discharge.Traditional power manual transmission, does not have
Independent electric-motor drive route can not achieve independent variable speed walking function.
(5) this programme is using series winding high speed bi-motor structure, by separate transmission route gear reduction deceleration torque increase,
This programme relies on motor separate transmission route, realizes independent stepless shift function within the scope of the travel speed of 0-0.1km/h；It is full
The sufficient various job requirements of non-rice habitats tractor.Traditional power manual transmission, without independent electric-motor drive route, therefore in fact
Existing Ultra-Low Speed operation needs complicated deceleration link, and drive mechanism is complicated, and low efficiency is at high cost.
(6) this programme is not needed to be arranged in gearbox and be reversed gear, reverse rotation and separate transmission route by motor,
Any stepless retrograde speed for realizing 0-Vmax km/h, meets the various job requirements of tractor.
(7) Instantaneous peak power and independent power path of this programme by motor, realizes hybrid power in short-term
Operating condition；It is superimposed with the power of gearbox route transmitting, power-assisted low-speed tractor heavy load starts to walk together；With can be on tractor
Edge of a field acceleration time and non-operation plot are reduced, agricultural crop sown area is increased.With on loading machine, torque-converters can be cancelled, helped
Power shovels the large torque that geotechnological condition needs.
(8) this programme can be connected on existing conventional gearbox, full by the matching to motor and drive path speed ratio
The existing different manual shift gearboxes of foot are transformed into dynamic power shift gear box；It is high-efficient to inherit tradition machinery gearbox, structure
Simply, advantage at low cost；The raising industry technology water product of low cost meet user's requirement.
(9) this programme chief components, high speed 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 compared to traditional power manual transmission.
Detailed description of the invention
Fig. 1 is the structural representation of the series-connected double motors universe self shifter transmission system of first embodiment according to the present invention
Figure.
Fig. 2 is that the electrical power of the series-connected double motors universe self shifter transmission system of first embodiment according to the present invention turns
Change module map.
Appended drawing reference: 1- the second rotor output shaft；The second motor output shaft of 2- and driving gear (Z1)；3- driven tooth
It takes turns (Z2)；4- driven gear shaft；5- the second power of motor transmitting assembly (R-R)；6- transmission input shaft；The transmission of 7- power shifting
Axis；8- shift clutch driving disc spacing pressing；9- shift clutch driven shaft；10- driving gear (Z3)；11- driven gear (Z4)；12-
Central transmission driving gear shaft；13- central transmission driven gear shaft；14- differential side output gear and semiaxis；15- rear axle
Shell；16- power output shaft；17- gear box casing；18- output shaft of gear-box；18A- gearbox body antetheca；The second motor of 19-
Output gear chamber cap；20- engine power output shaft；21- first clutch；22- engine；23- engine flywheel；24-
One motor and the second motor stator share shell；25- first motor armature spindle；26- first motor stator；27- first motor turns
Son；28 second motor stators；The second rotor of 29-.
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 depicted in figs. 1 and 2, series-connected double motors universe self shifter transmission system according to the preferred embodiment of the invention
Specific structure includes: engine power input system, gearbox, engine power output system, motor energy storage speed-regulating system
With motor independence output system.Wherein, the power of engine power input system is divided into two parts, a part of mechanical output warp
Clutch driven plate 21 and first motor armature spindle 25 transmit power to first motor, and will be sent out by first motor armature spindle 25
Motivation power transfer is to transmission input shaft 6；A part of mechanical output by first motor generate electricity → through AC/DC rectification → warp
DC/AC inversion → to the second motor → independent power drive path [1 → the second motor output shaft of the second rotor output shaft and
4 → the second power of motor transmitting assembly (R-R) 5 → power of driving gear (Z1) 2 → driven gear (Z2) 3 → driven gear shaft changes
Keep off 7 → shift clutch of transmission shaft driving disc spacing pressing 8 → shift clutch driven shaft, 9 → driving gear (Z3) 10 → driven gear (Z4)
11 → central transmission driving gear shaft 12] → final drive → driving wheel.Under non-shift operating condition, modular system is according to energy storage device
SOC charge values (charge level), issue current order charge to energy storage device, send out first motor generated output and enter electric power storage
Pond；When the charge values of battery SOC meet the requirements, first motor unloading is freely rotated with engine speed；Motor second at this time
Empty load of motor zero-turn quick-mounting state.Energy storage device provides short-term power to first motor and the second motor when shift, realizes shift function
Energy；Under CVT and creep speed operating condition, first motor power generation is supplied to the second motor power, and the second motor passes through independent function
Rate transfer route issues satisfactory road horsepower.When reversing, first motor power generation, the second electric machine controller control second
Motor input voltage, electric current are reversed, and the second motor generates backward power and tractor is driven to drive in the wrong direction.When power-assisted, energy storage device
The second motor power is provided, the second motor is existed by the engine power that independent power route and gearbox transmit
Power flow concentration is realized at central transmission driving gear shaft 12, the starting of power-assisted tractor accelerates.Due to non-rice habitats tractor operating condition base
This is different from urban road operating condition, and few long-time idling brake slowly over long distances, are traveled freely situations such as deceleration, recycles energy
The operating condition of amount is seldom.Second motor and electric modular system have the performance to recover energy, but design not to recover energy as target.
This programme, for the self shifter for realizing whole gears, devises motor power (output) and independently passes on the basis of traditional manual gearbox
Route is passed, which is not overlapped with gearbox power transmission route, when full load is shifted gears, passes through motor
And separate transmission route bears the power of former gearbox route transmitting, another motor adjustment transmission input shaft is synchronous to be turned
Speed, shift actuator push synchronizer realization to pluck gear, neutral gear, process of putting into gear；The shift principle realizes gearbox whole gear
Self shifter.
Specifically, engine power input system includes: engine 22, engine flywheel 23,21 and of first clutch
Engine power output shaft 20.Wherein, driven disc and engine power output shaft 20 that engine 22 passes through first clutch 21
Connection.
Gearbox has transmission input shaft 6 and output shaft of gear-box 18.Transmission input shaft (6) and gearbox synchronous gear
Device, gear set constitute fixed shaft type multi gear major-minor variable speed case
Engine power output system includes: that power output shaft 16, central transmission driving gear shaft 12, central transmission are driven
Gear 13 and differential side output gear and semiaxis 14.One end of central transmission driving gear shaft 12 and output shaft of gear-box 18
Connection, the other end are connect by central transmission driven gear 13 with differential side output gear and semiaxis 14.
Motor independence output system include: the second motor, the second rotor output shaft 1, the second motor output shaft and
Driving gear (Z1) 2, driven gear (Z2) 3, driven gear shaft 4, the second power of motor transmitting assembly (R-R) 5, power shifting pass
Moving axis 7, shift clutch driving disc spacing pressing 8, shift clutch driven shaft 9, driving gear (Z3) 10 and driven gear (Z4) 11.Its
In, the second motor is connect with energy storage device, and includes: the second motor stator 28 and the second rotor 29, the second rotor
29 connect with the second rotor output shaft 1, and the second rotor output shaft 1 passes through the second motor output shaft and driving gear
(Z1) 2 it, driven gear (Z2) 3, driven gear shaft 4, the second power of motor transmitting assembly (R-R) 5, power shifting transmission shaft 7, changes
Keep off clutch driving plate 8, shift clutch driven shaft 9, driving gear (Z3) 10 and driven gear (Z4) 11 and central transmission master
Movable gear shaft 12 connects, independent output motor power.
Motor energy storage speed-regulating system includes: first motor, energy storage device and first motor armature spindle 25.Wherein, first
Motor is connect with energy storage device, and includes: first motor stator 26 and first motor rotor 27, first motor rotor 27 and first
Rotor axis of electric 25 be rigidly connected, the both ends of first motor armature spindle 25 respectively with the driven disc and gearbox of first clutch 21
Input shaft 6 connects, and receives the power generation of engine distribution.Engine power output shaft 20 is coaxially threaded through first motor rotor
In axis 25, transmission input shaft 6, and output power is connect with power output shaft 16.First motor armature spindle 25 is coaxially threaded through
In second rotor output shaft 1, engine power output shaft 20, first motor armature spindle 25, the second rotor output shaft 1
Three axis are coaxial nested structure.First motor stator 26 is Chong Die with 28 axle center of the second motor stator, tandem installation；Start
Power output shaft 20 passes through 1 individual transmission power of first motor armature spindle 25 and the second rotor output shaft.First motor
Armature spindle 25 is connect with first clutch 21, passes through 1 individual transmission power of the second rotor output shaft, i.e. engine passes through the
One clutch 21 and first motor armature spindle 25 are to 6 input power of first motor and transmission input shaft；Second rotor is defeated
1 individual transmission power of shaft；The concentric simultaneously individual transmission power of three axis.
Preferably, first motor and the second motor are mounted on a first motor and the second motor stator shares shell 24
In, power train axial space can be reduced by sharing stator case bi-motor, share first motor/second motor cooling water channel, altogether
With power cable space, integration degree is high for motor, reduces the motor total volume under Same Efficieney, is utilized to the greatest extent
The axial space of power train.
Preferably, first motor and the second motor stator share shell 24 and the gear box casing 17 at rear portion is connected by bolt
It connects.
Preferably, the gearbox body antetheca 18A of gearbox and first motor and the second motor stator share the of shell 24
Two motor output gear chamber caps 19, which fasten, forms the second motor power gear output room, for accommodating the second rotor output shaft
1, the second motor output shaft and driving gear (Z1) 2, driven gear (Z2) 3, driven gear shaft 4.
1. advance driving mode power transfer route
Advance traveling in, 22 power of engine through clutch 21, first motor armature spindle 25 (clutch output shaft), will hair
Motivation power transfer is passed after each gear speed-changing of gearbox becomes and turns round by central transmission driving gear shaft 12 to transmission input shaft 6
It is delivered to central transmission driven gear 13, then passes to tractor driving wheel through end deceleration transmission (not shown).This programme and tradition
Hydraulic wet clutch power mode output is identical, but advance road horsepower route is fixed axis gear transmission, is ground without clutch
Damage, transmission efficiency are high；Identical with traditional scheme to be, tractor drawbar pull, speed are related to engine speed, tractor load
Variation, directly cause the large change of engine speed, until auto-changing gear, engine speed work model could be stablized
It encloses.
2. shift mode
When external load changes, engine speed is caused to change, this programme is equipped with entire car controller (VCU) and power train control
Device (TCU) processed, when engine speed variation is beyond a certain range, controller issues shift command signal, motor MG1/MG2 into
Enter shift mode, TCU is issued to shift actuator and executed signal.It is described in detail below:
After shifting commands signal issues, the second electric motor starting, power through the second motor output shaft and driving gear (Z1) 2 →
4 → the second 7 → shift of power of motor transmitting assembly (R-R) 5 → power shifting transmission shaft of driven gear (Z2) 3 → driven gear shaft
Clutch driving plate 8 → shift clutch driven shaft, 9 → driving gear (Z3) 10 → driven gear (Z4) 11 → central transmission master
12 → central transmission of movable gear shaft driven gear shaft 13 → through differential mechanism, final drive is transmitted to driving wheel.The shift of second motor
Route is independently of the power route of gearbox transmission route；At this point, the second motor load plays shift moment central transmission actively
Whole power on gear shaft 12, tractor continue load at the shift moment.
One of shift mode: when shifting commands issue, engine stop fuel feeding is transferred to unloading transition；First motor is transferred to
Motoring condition drags engine 22 and transmission input shaft 6 and enters synchronous variable-speed transition, and synchronous rotational speed, which meets synchronizer, to be plucked gear and want
When asking, gear instruction is plucked in powertrain controllers (TCU) sending, and actuator plucks gear.When putting into gear, first motor is according to central driver gear
12 revolving speeds and the requirement of target shift bit synchronization, the revolving speed of dragging engine adjustment transmission input shaft, meet target shift bit synchronization and turn
Speed, powertrain controllers (TCU) issue instruction of putting into gear, and actuator is put into gear.
The two of shift mode: when shifting commands issue, clutch 21 is separated, and engine is transferred to no-load speed tracking transition,
Tracking motor MG1 adjusts the speed 6 revolving speed of transmission input shaft after putting into gear；First motor is transferred to motoring condition, drives gearbox input
Axis 6 enters synchronous variable-speed transition, and synchronous rotational speed meets synchronizer when plucking gear and requiring, and powertrain controllers (TCU) sending is plucked gear and referred to
It enables, actuator plucks gear.When putting into gear, first motor becomes according to 12 revolving speed of central driver gear and the requirement of target shift bit synchronization, adjustment
The revolving speed of fast case input shaft 6 meets target shift bit synchronization revolving speed, and powertrain controllers (TCU) issue instruction of putting into gear, and actuator is hung
Gear.
This programme utilizes bi-motor and independent power transfer route, realizes the self shifter of universe gearbox-gear；
Using fixed axis gear gearbox in conjunction with independent shift route, the wet type that must be used different from traditional power manual transmission
Clutch or brake；Wet clutch required for traditional power manual transmission, hydraulic proportion valve, substantially whole gears
Half, such as: 16 grades of gearboxes of tractor need 8 hydraulic wet clutches, at least eight hydraulic proportion valve；This programme is only
With two motors and 1 clutch, the fluid drive more than 64 gears theoretically may be implemented, so, on tractor
When, horsepower is bigger, and this programme realizes that the cost of self shifter is lower, is suitble to the large-scale application with heavy non-rice habitats tractor.By
In the usage amount for substantially reducing clutch and proportioning valve, the amount of parts under same gear is greatly reduced, reduces system
Cause this；The DESIGN RELIABILITY for improving product reduces the use and maintenance cost of product.
The quick advantage of smooth gear shifting
The characteristics of bi-motor independent power route structure, it is fast sufficiently to apply motor response, smooth running, power when shift
Switching is fast, and speed regulation is fast, and smooth gear shifting is easy to control,；Due to the side for two clutch frictions for not using traditional power to shift gears
Formula shift, power loss is small, and calorific value is small, part long service life.
Modularization inheritance advantage
This programme utilizes bi-motor structure and independent power transfer route, can be made into seriation module, to existing
Manual speed changer shift power train does a small amount of change, the module that this programme manufactures in installation, so that it may complete existing gear
Universe self shifter, technology inheritance is good, at low cost, high reliablity.
The motor assistant mode 3. tractor is started to walk
When tractor heavy load starts to walk, power train is in short term under series winding hybrid mode, the mechanical output of engine
→ passing through clutch → 25 → transmission input shaft of first motor armature spindle 6 → exports through a certain off speed of output shaft of gear-box 18
→ arrive central transmission driving gear shaft 12；
It is in specified between peak power state, power-assisted watt level when the second motor power-assisted, depends on manipulator's oil
Door aperture section；The power of the second motor comes from tractor battery, 29 → the second electricity of the second rotor of pass course at this time
1 → the second motor output shaft of machine rotor output shaft and driving gear (Z1) 2 → driven gear (Z2) 3 → driven gear shaft 4 → dynamic
Power shift 7 → shift clutch of transmission shaft driving disc spacing pressing 8 → shift clutch driven shaft, 9 → driving gear (Z3) 10 → driven gear
(Z4) 11 → central transmission driving gear shaft 12；
It starts to walk under assistant mode, central transmission driving gear shaft is incorporated with two power sources, and one is engine through speed change
Case is transmitted to the engine power of central transmission driving gear shaft 12, and one is the second motor through the second power of motor transmitting assembly
(R-R) 5 motor power (output) for being transmitted to central transmission driving gear shaft 12, two power sources converge combined powers, by dilatory
Machine final drive reaches driving wheel.
Wherein the second motor peak power is substantially equal to engine power rating, therefore the accelerating power that starts to walk generally is started
1.5-1.8 times of machine rated power greatly reduces to low engine speed starting Capability Requirement, reduces vehicle and accelerated step pitch
From, reduce engine consumption and discharge, meet the requirement of non-rice habitats tractor several work operating condition.
4. creeping and jogging speed work pattern
When needing the very low speed of travel, engine power reaches driving wheel without gearbox transmission route, at this time speed change
Case is in neutral position state, and engine subtracts the power for driving first motor work, and it is defeated that dump power all passes through engine power
Shaft 20, and the power output shaft 16 of rigid connection are output to external procedure equipment via rear end deceleration device.
It creeps under jogging speed work pattern, the second motor transmits walking power, road by independent power transfer route
Line is as follows: 29 → the second rotor output shaft of the second rotor, 1 → the second motor output shaft and driving gear (Z1) 2 → from
Moving gear (Z2) 3 → driven gear shaft 4 → power shifting transmission shaft 7 → shift clutch, 8 → shift clutch of driving disc spacing pressing is driven
9 → driving gear of axis (Z3) 10 → driven gear (Z4) 11 → central transmission, 12 → central transmission of driving gear shaft driven gear 13
→ tractor end is driven (not shown) → driving wheel (not shown).Under the mode, MG2 revolving speed, torque electrodeless can change, can be steady
Surely the super creep speed for realizing tractor 0-0.1km/h, also may be implemented the transmission ratio continuous variable of tractor 0-15km/h
(CVT) operating mode, requirement when greatly having adapted to tractor equipment operation to Running Speed of Tractor, improves work
Industry efficiency, and manipulation comfort.
The advantages of starting accelerates
This programme utilizes the independent drive path of bi-motor, and having given full play to motor peak power is 2 times of rated power
Above feature, design power battery and power circuit guarantee the short-term release of the second motor peak power, reduce the
The volume of two motors meets tractor dynamic power and uninterruptedly shifts gears the requirement of power, while under the acceleration mode that starts to walk, using mixed
Dynamic mode is closed, increases 1.5-1.8 times of complete machine power, greatly reduces starting acceleration distance；Using on tractor, same
It is increased under farmland area by the ratio of operation land area, increases crop yield.The hybrid mode can also be applied
In the short-term obstacle detouring of tractor and overcome on short-term resistance, this depends on control program setting.Traditional power shift power train, at present
The combined power that this programme has the function of cannot be generated, pickup time is long.
Under the driving power of part the advantages of universe CVT
This programme utilizes power of motor independence transfer route, at this point, being switched to the second motor by the power of gearbox
The separate transmission route of motor, gearbox are in neutral gear transition；Tractor running gear speed may be implemented independently of engine
The revolving speed of power output shaft improves operating efficiency to search out best travel speed match point with driven equipment, reduces
Oil consumption, discharge.
Ultralow creep speed function
Due to the low speed high torque characteristic of permanent magnet AC motor, this programme may be implemented Ultra-Low Speed and creep function, in 0-
Steady operation within the scope of the travel speed of 0.1km/h, and the overwhelming majority is exported by output shaft 14 outside engine power and is started
Machine power, for special operations such as trench diggings.Traditional power manual transmission reaches the creep speed 0-0.1km/h of this programme, needs
Too many levels large scale deceleration mechanism is wanted, mechanism is extremely complex, and it is big to occupy system space.
4. reverse mode
Under reverse mode, gearbox is in neutral mode, and electric machine controller inputs backward voltage, electric current, the second electricity of control
Machine reverse rotation, output backward power → 1 → the second motor output shaft of the second rotor output shaft and driving gear (Z1) 2 →
Driven gear (Z2) 3 → driven gear shaft 4 → power shifting transmission shaft, 7 → shift clutch driving disc spacing pressing, 8 → shift clutch from
9 → driving gear of moving axis (Z3) 10 → driven gear (Z4) 11 → central transmission driving gear shaft 12 → central transmission driven gear
13 → tractor end is driven (not shown) → driving wheel (not shown).Under reverse mode, tractor can realize and forward speed
Stepless retrograde speed of a size.
This programme does not need that reverse gear mechanism is arranged in gearbox, reverse rotation and independent power by the second motor
Drive path, gearbox may be implemented 0-Vmax km/h's under neutral mode (or clutch separation state gearbox is in shelves)
Speed of driving in the wrong direction is designed, the various job requirements of non-rice habitats tractor are met.Traditional power manual transmission needs to install mechanism of driving in the wrong direction additional
And wet clutch, mechanism is complicated, and it is big to occupy system space.
5. electric power output mode
The first motor of the series-connected double motors universe self shifter transmission system can be used as high-power generator, and be equipped with
There are battery and power output module, by power output module, the DC/AC power supply of standard stabiliser can be provided out, greatly
Ground extends the use scope of non-rice habitats tractor.
The chief components of the series-connected double motors universe self shifter transmission system, high power permanent magnet synchronous motor and
Electric machine controller, the technologies such as high power discharge battery and product, local manufacturer grasp and are mass produced completely, localized procurement
Channel is broad.Due to the high reliability and low cost of motor controller, the manufacture of this power train, working service cost, which are lower than, to be passed
The automatic gear shifting system that hydraulic wet clutch of uniting forms.
To sum up, series-connected double motors universe self shifter Design of Transmission System motor power (output) independence transfer route is full
When load shift, the power of former gearbox route transmitting, another motor are born by motor and separate transmission route
Transmission input shaft synchronous rotational speed is adjusted, the labor intensity of employee is significantly reduced, improves operating efficiency and quality；Meanwhile
Due to motor fast response time, smooth gear shifting is excellent, and shift time is short, reduces the frictional work of clutch, improves clutch
The service life and reliability of device.
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 (8)
1. a kind of series-connected double motors universe self shifter transmission system characterized by comprising
Engine power input system comprising: engine, engine flywheel, first clutch and engine power output shaft,
The engine is connect by the driven disc of first clutch with engine power output shaft；
Gearbox, with transmission input shaft and output shaft of gear-box；
Motor independence output system comprising: the second motor, the second rotor output shaft and the second motor power transmitting system
System, the second motor include: the second motor stator and the second rotor, second rotor and the second rotor output shaft
Connection, the second rotor output shaft are connect by the second motor power transmission system with engine power output system；And
Motor energy storage speed-regulating system comprising: first motor, energy storage device and first motor armature spindle, the first motor
It is connect with energy storage device, the energy storage device is connect with the second motor, and the first motor includes: first motor stator and first
Rotor, the first motor rotor and first motor armature spindle are rigidly connected, the both ends of first motor armature spindle respectively with
The driven disc of first clutch is connected with transmission input shaft, and the engine power output shaft is coaxially threaded through first motor and turns
In sub- axis, transmission input shaft, and it is connect with engine power output system；The first motor armature spindle is coaxially threaded through
In two rotor output shafts, the engine power output shaft, first motor armature spindle, the second rotor output shaft three
Axis forms coaxial nested structure；The first motor stator is Chong Die with the second motor stator axle center to be installed in series；Full load shift
When, engine power output system described in second motor driven carries out power output, and the first motor adjusts gearbox
Input shaft synchronous rotational speed, shift actuator push synchronizer realization to pluck gear, neutral gear, process of putting into gear.
2. series-connected double motors universe self shifter transmission system as described in claim 1, which is characterized in that the first motor
It is permanent magnet synchronous motor with the second motor.
3. series-connected double motors universe self shifter transmission system as claimed in claim 2, which is characterized in that the energy storage device
Including battery and power output module.
4. series-connected double motors universe self shifter transmission system as described in claim 1, which is characterized in that second motor
Power-transmission system includes: the second motor output shaft and driving gear, the first driven gear, driven gear shaft, the second motor function
Rate transmitting assembly, power shifting transmission shaft, shift clutch driving disc spacing pressing, shift clutch driven shaft, driving gear and second from
Moving gear.
5. series-connected double motors universe self shifter transmission system as claimed in claim 4, which is characterized in that it is described start it is motor-driven
Power output system includes: power output shaft, central transmission driving gear shaft, central transmission driven gear and differential side output
Gear and semiaxis；One end of the central transmission driving gear shaft is connect with output shaft of gear-box, and the other end passes through central transmission
Driven gear and differential side output gear and half axis connection.
6. series-connected double motors universe self shifter transmission system as described in claim 1, which is characterized in that the first motor
Stator and the second motor stator are mounted in a first motor and the second motor stator common enclosure body.
7. series-connected double motors universe self shifter transmission system as claimed in claim 6, which is characterized in that the first motor
And second motor stator share shell be bolted with gear box casing.
8. series-connected double motors universe self shifter transmission system as claimed in claim 7, which is characterized in that the gearbox
The second motor output gear chamber cap that gearbox body antetheca and first motor and the second motor stator share shell fastens to form the
Two motor power gears export room.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910623254.1A CN110242409B (en) | 2019-07-11 | 2019-07-11 | Series connection dual-motor global automatic gear shifting transmission system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910623254.1A CN110242409B (en) | 2019-07-11 | 2019-07-11 | Series connection dual-motor global automatic gear shifting transmission system |
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| Publication Number | Publication Date |
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| CN110242409A true CN110242409A (en) | 2019-09-17 |
| CN110242409B CN110242409B (en) | 2022-04-29 |
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| CN201910623254.1A Active CN110242409B (en) | 2019-07-11 | 2019-07-11 | Series connection dual-motor global automatic gear shifting transmission system |
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| CN101875297A (en) * | 2009-12-10 | 2010-11-03 | 安徽巨一自动化装备有限公司 | Double-motor hybrid driving and speed changing device |
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| CN204845514U (en) * | 2015-07-07 | 2015-12-09 | 安徽纽恩卡自控科技有限公司 | Bi -motor hybrid automatic gearbox |
| CN205395750U (en) * | 2016-03-01 | 2016-07-27 | 安徽纽恩卡自控科技有限公司 | Bi -motor hybrid synergy drive system |
| CN210509377U (en) * | 2019-07-11 | 2020-05-12 | 广西玉柴机器股份有限公司 | Series connection dual-motor global automatic gear shifting transmission system |
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2019
- 2019-07-11 CN CN201910623254.1A patent/CN110242409B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101875297A (en) * | 2009-12-10 | 2010-11-03 | 安徽巨一自动化装备有限公司 | Double-motor hybrid driving and speed changing device |
| CN102114766A (en) * | 2009-12-31 | 2011-07-06 | 比亚迪股份有限公司 | Hybrid drive system and driving method thereof |
| JP2011250583A (en) * | 2010-05-27 | 2011-12-08 | Nissan Motor Co Ltd | Power transmission device for electric vehicle |
| CN102166947A (en) * | 2011-03-10 | 2011-08-31 | 上海交通大学 | Multimode stepless speed-changing hybrid driving system |
| CN104494415A (en) * | 2014-12-31 | 2015-04-08 | 上海交通大学 | Multi-purpose adaptive second-gear multimode stepless speed changing electric transmission integrated power system |
| CN204845514U (en) * | 2015-07-07 | 2015-12-09 | 安徽纽恩卡自控科技有限公司 | Bi -motor hybrid automatic gearbox |
| CN205395750U (en) * | 2016-03-01 | 2016-07-27 | 安徽纽恩卡自控科技有限公司 | Bi -motor hybrid synergy drive system |
| CN210509377U (en) * | 2019-07-11 | 2020-05-12 | 广西玉柴机器股份有限公司 | Series connection dual-motor global automatic gear shifting transmission system |
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|---|---|
| CN110242409B (en) | 2022-04-29 |
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