CN107310375A - A kind of double-planet train Multimode hybrid power system and control method - Google Patents
A kind of double-planet train Multimode hybrid power system and control method Download PDFInfo
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- CN107310375A CN107310375A CN201710617972.9A CN201710617972A CN107310375A CN 107310375 A CN107310375 A CN 107310375A CN 201710617972 A CN201710617972 A CN 201710617972A CN 107310375 A CN107310375 A CN 107310375A
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Classifications
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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
- B60K6/36—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
- B60K6/365—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 with the gears having orbital motion
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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
- B60K6/38—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 driveline clutches
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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
- B60K6/42—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 the architecture of the hybrid electric vehicle
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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
- B60K6/42—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 the architecture of the hybrid electric vehicle
- B60K6/44—Series-parallel type
- B60K6/442—Series-parallel switching type
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L7/00—Electrodynamic brake systems for vehicles in general
- B60L7/10—Dynamic electric regenerative braking
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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
- B60K6/38—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 driveline clutches
- B60K2006/381—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 driveline clutches characterized by driveline brakes
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/62—Hybrid vehicles
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Abstract
The present invention relates to double-planet train Multimode hybrid power system, including engine assembly（300）, integrated startup electric generator（19）, main drive motor（14）, the first planetary gear train assembly（200）With the second planetary gear train assembly（100）, engine assembly（300）Including engine（301）, the first planetary gear train assembly（200）Including the first gear ring（203）, the first planet carrier（204）With the first sun gear（205）, the first planetary gear train assembly（200）With the second planetary gear train assembly（100）Between be provided with clutch（16）, engine（301）Output shaft and the first planet carrier（204）It is connected, integrated startup electric generator（19）With the first sun gear（205）It is connected, the first gear ring（203）It is set to output end.The invention further relates to the control method based on double-planet train Multimode hybrid power system, include the control method of eight kinds of mode of operations.Present invention ensure that engine is operated in optimal fuel-economy area, vehicle overall efficiency is in higher level.
Description
Technical field
The present invention relates to the hybrid power system of hybrid vehicle and control method, more particularly to a kind of double-planet train
Multimode hybrid power system and control method.
Background technology
In face of the increasingly serious energy crisis in the world today and environmental pollution situation, development new-energy automobile has become vapour
One of important research direction of car technical field.Hybrid electric drive system and hybrid vehicle are a kind of current efficient sections
Energy emission reduction solution, its major impetus part generally comprises engine, ISG motors and motor, passes through different power
Stream coupling control, is operable with series model, paralleling model or series-parallel connection pattern.Advanced hybrid power system is mainly in the world
The THS systems of Japanese Toyota and the i-MMD systems of Honda.THS systems mainly realize difference by single planetary bevel gear system system
Power dividing between power source and conflux.Its technical characterstic is compact conformation, and electronic infinite variable speed work(can be realized well
Can, and without complicated control.But, it is only capable of realizing basic series-parallel connection pattern, it is impossible to enter according to the need for vehicle complex working condition
The corresponding pattern switching of row, its motor is directly connected with output planetary train gear ring, power is exported to vehicle, to motor
Output torque requires higher, strict to the matching of total system requirement, it is necessary to develop special engine and motor can phase
Mutually coordinate, effect is preferably driven so as to reach.I-MMD systems are mainly realizes difference by the separation of clutch with engagement
Switching between pattern, can stably work in paralleling model and series model.But, it can not realize hair in parallel drive
Motivation and the speed of vehicle are decoupled, i.e., can not realize electronic infinite variable speed function so that engine operating efficiency is reduced.In addition,
Because it is higher to the control accuracy requirement of clutch, when can not in time engage or separate clutch, it will vehicle is run
Impact.
In view of has there is the Curve guide impeller that some are directed to THS systems in the good power coupled characteristic of planetary gear train, the country,
But it is still the series-parallel connection pattern based on the THS systems, not in view of new energy vehicle in the process of moving for driving,
Different capacity demand during Brake energy recovery, thus pattern complicated, precisely, stable can not be carried out according to actual needs cut
Change, fail to give full play to respective potential after bi-motor and engine coupling, thus limit whole hybrid power system for
The optimization space of energy management.Based on above-mentioned technical problem present in prior art, to give full play to the energy of each driving part
Power and the fan-out capability and efficiency for improving whole hybrid power system assembly, are badly in need of expanding the mode of operation of hybrid power system.
Patent No. ZL201210457934.9 Chinese invention patent discloses a kind of double-planet train power coupling and passed
Dynamic system, it is intended to overcome a variety of power source power coupling efficiency low, multiple drive modes difficult to realize work to optimize engine
Interval the problem of, the system includes front ring gear, preceding planet carrier, preceding sun gear, rear gear ring, rear planet carrier, rear sun gear, preceding braking
Device, clutch, rear brake and train of reduction gears.Front ring gear empty set is connected on the output shaft of engine to rotate, front ring gear
Left end insertion front brake in, preceding planet carrier is fixedly connected with the output shaft of engine, preceding sun gear and generator input shaft
The connection of left end key, the input key connection of the right-hand member of generator input shaft and train of reduction gears, the output end of train of reduction gears
It is fixedly connected with the left end of clutch, the right-hand member of clutch is fixedly connected with rear planet carrier by an axle, axle insertion rear brake
Interior, motor empty set is on rear sun gear, and motor is fixedly connected with rear gear ring, and right-hand member and the drive axle of rear sun gear are consolidated
Fixed connection.But the invention is to pin front ring gear 2 using front brake 3, and by the preceding output torque of sun gear 16, generator 4 is preceding
Output power on sun gear 16 with engine 1 carries out torque couple, it is seen then that its front-seat planetary gear train is for engine 1
Only play a part of subtracting torsion speedup.Therefore, there is following technological deficiency in the front-seat planetary gear train：First, if its front brake 3
Do not have an effect, i.e., do not brake front ring gear 2, then engine 1 will be unable to power output, cause its power output to be fully transmitted to
Dallied on front ring gear 2；Second, if its front brake 3 is had an effect, i.e., front ring gear 2 is braked, before being connected to due to engine 1
On planet carrier 15, front ring gear 2 is braked, and former sun gear 16 is exported, then for engine 1, the front-seat planetary gear train
The reverse detrimental effect of " subtract and turn round speedup " will be produced, this is obviously disagreed with general engine characteristics.Therefore urgently improve.
It is double that Patent No. ZL201510214940.5 Chinese invention patent discloses a kind of hybrid vehicle series parallel type
Planetary gear train dynamic coupling device and method, the dynamic coupling device include engine, first and second planetary gear train, first and second
Motor；First planetary gear train is made up of the first sun gear, the first planet carrier, the first gear ring and its planetary gear；Second planetary gear train
It is made up of the second sun gear, the second planet carrier, the second gear ring and its planetary gear；First motor is connected with the first sun gear；Second
Motor is connected with the second sun gear；Engine is connected by a clutch with the first gear ring, and the first gear ring is provided with brake；The
One planet carrier and the second gear ring are fixed together as clutch end, and the second gear ring passes through power output gear and ex-ternal transmission
Mechanism is connected；Second planet carrier is fixed on vehicle frame.The inventive structure is simple, control is easy, can realize a variety of power couplings
With pattern switching, improve oil consumption characteristic and power performance, and variable speed can be realized, it is not necessary to install speed changer additional.But by
It is the output that clutch 2 is arranged on to engine 1 in the invention, thus can not have both ensured the steady of the working condition of clutch 2
It is fixed, it can not also realize the tandem working pattern and parallel operation pattern of hybrid power.Therefore urgently improve.
The content of the invention
Multiple-working mode free switching is realized using double-planet train coupled system it is an object of the present invention to provide one kind
Hybrid power system, and provide be based on the hybrid power system corresponding control method under various mode of operations.
Moved to realize foregoing invention purpose and solve existing double-planet train power coupling transmission system and mix
The technological deficiency that power automobile series parallel type double-planet train dynamic coupling device is present, double-planet train multi-mode mixing of the invention
The technical scheme that dynamical system is used is as follows：
A kind of double-planet train Multimode hybrid power system, including engine assembly, integrated startup electric generator, main drive
Dynamic motor, the first planetary gear train assembly and the second planetary gear train assembly, the engine assembly include engine, the first row
Star wheel series assembly includes the first gear ring, the first planet carrier and the first sun gear, the first planetary gear train assembly and the second planet
Clutch is provided between train assembly, the engine output shaft is connected with first planet carrier, the integrated startup
Electric generator is connected with first sun gear, and first gear ring is set to output end.
Preferably, it is provided with generation braker at the integrated startup electric generator.
In any of the above-described scheme preferably, the first gear ring brake is provided with first gear ring.
In any of the above-described scheme preferably, it is provided with torsion between the engine output shaft and first planet carrier
Turn damper.
In any of the above-described scheme preferably, described clutch one end is connected with first gear ring, its other end
It is connected with the main drive motor.
It is preferably in any of the above-described scheme, including vehicle frame and system output shaft, the second planetary gear train assembly bag
The second gear ring, the second planet carrier and the second sun gear are included, second sun gear is connected with the main drive motor, described
It is fixedly connected between two gear rings and the vehicle frame, second planet carrier is connected with the system output shaft.
In any of the above-described scheme preferably, the first gear ring speed probe is provided with first gear ring.
In any of the above-described scheme preferably, TM motor speed sensors are provided with the main drive motor.
In any of the above-described scheme preferably, clutched state sensor is provided with the clutch.
In any of the above-described scheme preferably, the main drive motor uses the small torque T M motors of high speed.
It is preferably in any of the above-described scheme, including vehicle CAN communication network, full-vehicle control unit, battery management system
System, Meter Control Unit and the other modules of vehicle, the vehicle CAN communication network respectively with the full-vehicle control unit, battery
Management system, Meter Control Unit are connected with the other modules of vehicle.
It is preferably in any of the above-described scheme, including internal CAN communication network, control unit of engine, hybrid power
Entire car controller, integrated motor control unit, the internal CAN communication network respectively with the Meter Control Unit, engine
Control unit, full-vehicle control unit, hybrid power whole vehicle controller are connected with integrated motor control unit.
In any of the above-described scheme preferably, including electrokinetic cell, the electrokinetic cell respectively with the battery management
System is connected with integrated motor control unit.
It is preferably in any of the above-described scheme, including ring flange, driving wheel of vehicle and vehicle drive axle, second row
Star wheel series assembly is connected by the ring flange with the vehicle drive axle, the vehicle drive axle and the driving wheel of vehicle
It is connected.
In order to solve existing double-planet train power coupling transmission system and hybrid vehicle series parallel type dual planetary gear
It is the technological deficiency that the control method of dynamic coupling device is present, a kind of double-planet train multi-mode hybrid system of the invention
The technical scheme that the control method of system is used is as follows：
A kind of control method of double-planet train Multimode hybrid power system, implements the system of the control method including upper
State the double-planet train Multimode hybrid power system of any one, including electric-only mode control method, series model controlling party
Method, paralleling model control method, series-parallel connection mode control method, pure engine drive mode control method, pressure boost charge mould
Formula control method, parking boost charge mode control method and braking mode control method.
Preferably, the electric-only mode control method is：When the tail-off, the integrated startup generates electricity
Motor is not worked, and the clutch is in disengaged condition, and the electrokinetic cell is powered to the main drive motor, and moment of torsion is by institute
State main drive motor and be delivered to second planet carrier by second sun gear, increase by slowing down and turn round the output of process to vehicle
The vehicle drive axle afterwards；Because the clutch separates the main drive motor with first gear ring, it is to avoid in institute
The rotor of the integrated startup electric generator dallies brought when stating main drive motor work energy loss and mechanical loss, institute
Stating electric-only mode is used for the vehicle start stage.
In any of the above-described scheme preferably, the series model control method be used for the electrokinetic cell electricity compared with
When low and vehicle is in low speed small load condition, now the clutch is not engaged, and the generation braker does not work, and described the
One gear ring brake, the engine start drives described integrated when it is operated in fuel economy best operating point
Start electric generator to generate electricity, a portion electrical energy transportation is to the main drive motor to drive vehicle movement, and another part is electric
It can be stored in the electrokinetic cell, the rotating speed of the engine is decoupled with speed under the series model, can make described
Engine is in best operating point.
In any of the above-described scheme preferably, the paralleling model control method is used for vehicle in high speed traveling process
In, the electricity of the electrokinetic cell is higher and when loading higher, the now clutch engagement, the generation braker is braked,
The first gear ring brake is decontroled, and the integrated startup electric generator does not work, the engine start, and the engine is turned round
Square is transferred to the clutch by first planet carrier, first gear ring, with the main driving at the clutch
Motor torque coupling is simultaneously transferred to the vehicle drive axle after the second planetary gear train assembly increases and turned round jointly.
In any of the above-described scheme preferably, the series-parallel connection mode control method is：When the clutch is engaged, institute
State generation braker and the first gear ring brake is not braking, the moment of torsion and the main drive motor of the engine work output
The torque couple of output drives vehicle to drive jointly, and the engine drives the integrated startup to generate electricity while output torque
Electric power generation, the main drive motor or storage are delivered the power to according to the selection of the state-of-charge of operating mode and the electrokinetic cell
In the electrokinetic cell；The rotation speed relation formula of the planetary gear train is：
nISG+(1+k)nE+knR=0,
Wherein, nISGFor the integrated startup electric generator rotating speed；nEFor the engine speed；nRFor first gear ring
Rotating speed；K is the gear ratio of first gear ring and first sun gear；
Under the series-parallel connection pattern, the first gear ring rotating speed nRChange with the change of speed, by adjusting the collection
Into startup electric generator rotating speed nISGTo adjust the engine speed nE, the engine is controlled to work in high efficient district, institute
Stating series-parallel connection pattern is used for vehicle acceleration or high load capacity work condition state.
In any of the above-described scheme preferably, the pure engine drive mode control method is：It is now described to generate electricity
Brake, the first gear ring brake is not braking, and the clutch engagement, the integrated startup electric generator is not sent out
Electricity, the main drive motor does not work, and the engine, which works independently, drives vehicle traveling.
In any of the above-described scheme preferably, the pressure boost charge mode control method is：In vehicle high speed
During traveling, vehicle power demand is little and during the relatively low power battery charged state, the engine works independently, by
The first planetary gear train assembly drives the integrated startup electric generator to generate electricity, and supplements electricity to the electrokinetic cell, simultaneously
The engine, which provides moment of torsion, is used for traveling of driving；Under the pressure boost charge pattern, the clutch engagement, the hair
Electric brake and the first gear ring brake are not braking, and the main drive motor does not work, and the engine work is in optimal
The power battery charging and output torque are simultaneously given in operating point.
In any of the above-described scheme preferably, the parking boost charge mode control method is used for vehicle lay-off and institute
State electrokinetic cell electricity it is relatively low when, now the clutch is not engaged, and the generation braker does not work, first gear ring
Brake, the engine start simultaneously drives when being operated in fuel economy best operating point the integrated startup to generate electricity electricity
Machine gives the power battery charging, and the parking boost charge pattern can make full use of vehicle lay-off gap to the power electric
Pond supplements electricity in time, vehicle is in optimum state all the time.
In any of the above-described scheme preferably, the braking mode control method is：Now the clutch is not
Engagement, the generation braker and the first gear ring brake are not braking, and only described main drive motor is operated in generating state, will
Energy regenerating when sliding or braking is into the electrokinetic cell；Because the clutch has blocked the main drive motor and
Torque between one planetary gear train assembly is associated with rotating speed, it is to avoid because of the sky of first gear ring when being not provided with the clutch
Transduction causes the rotating speed of integrated the startup electric generator and engine to be in the working condition for not knowing unstable state.
Compared with the prior art, the invention has the advantages that：The present invention is by existing double-planet train power coupling
Front-seat planetary gear train in transmission system is improved, will the integrated startup electric generator be connected with first sun gear
Connect, the engine output shaft is connected with first planet carrier, the first gear ring output torque, so as to solve
State the reverse detrimental effect of " subtract and turn round speedup " produced by existing front-seat planetary gear train.The present invention is by the first planetary gear train
The clutch set between the second planetary gear train, and be respectively arranged at clutch clutched state sensor,
First gear ring speed probe and TM motor input shaft rotating speed sensors, can not only ensure the engagement of clutch reliably and separate
Thoroughly, additionally it is possible to ensure that clutch is in optimum Working all the time, can also realize series, parallel mode of operation, solve existing
In some hybrid vehicle series parallel type double-planet train dynamic coupling devices, because clutch to be arranged on to the output end of engine
Place and cause can not both ensure the stabilization of clutch working condition, can not also realize the tandem working pattern and simultaneously of hybrid power
Join the technological deficiency of mode of operation.The present invention can realize that pure electronic, series, parallel, series-parallel connection, pure engine driving, pressure are mended
Charging, parking boost charge and regenerative braking amount to eight kinds of mode of operations, and configuration is ripe, compact conformation, meet vehicle operation
In every demand.TM motor volumes and the larger skill of demand peaks moment of torsion that the present invention exists for existing hybrid vehicle
Art problem, using dual planetary gear architecture, the second planetary gear train can realize that deceleration increases and turn round, reduce TM motors peak torque and its body
Product, in order to carry out arrangement and further reduce product cost.The present invention realizes the first planetary gear train using clutch
The transmission and interruption of power between TM motors, are prevented effectively from the situation that ISG motors dally when TM motors work independently, and then
Energy loss is reduced, while set clutch also allows for realizing the switch operating of eight kinds of mode of operations.Profit of the invention
The accurate control to engine working point can be achieved with the power dividing effect of planetary gear train, it is ensured that engine is operated in optimal combustion
Oily economic zone, makes vehicle overall efficiency remain at higher level.The present invention is by brakes and clutches in system
Brake energy recovery can be achieved in control, further improves system economy.Meanwhile, the present invention need to only be started from lower-powered
Machine can meet vehicle driving requirements, and this measure can further reduce the discharge capacity of pernicious gas, be conducive to environment protection.
Brief description of the drawings
Fig. 1 shows as the general structure of a preferred embodiment of the double-planet train Multimode hybrid power system of the present invention
It is intended to；
Fig. 2 is the double-planet train in double-planet train Multimode hybrid power system Fig. 1 embodiments according to the present invention
Structure and working principle schematic diagram.
Description of reference numerals：
1 electrokinetic cell；2 battery management systems (Battery Management System, BMS)；3 vehicle CAN communication nets
Network (CAN1)；4 inside CAN communication networks (CAN2)；5 Meter Control Units (Instrument Control Unit, ICU)；6
Control unit of engine (Engine Control Unit, ECU)；7 full-vehicle control units (Vehicle Control Unit,
VCU)；8 hybrid power whole vehicle controllers (Hybrid Control Unit, HCU)；The other modules of 9 vehicles；10 driving wheel of vehicle；
11TM motor speed sensors；12 vehicle drive axles；13 ring flanges；14 main drive motors (Traction Motor, TM)；15 collection
Into motor control unit (Motor Control Unit, MCU)；16 clutches；17 clutched state sensors；18 first
Gear ring speed probe；19 integrated startup electric generators (Integrated Starter and Generator, ISG)；100
Two planetary gear train assemblies；101 second gear rings；102 system output shafts；103 second planet carriers；104 second sun gears；200 first
Planetary gear train assembly；201 generation brakers；202 first gear ring brakes；203 first gear rings；204 first planet carriers；205
One sun gear；300 engine assemblys；301 engines；302 torsion vibration absorbers.
Embodiment
The present embodiment is only an optimal technical scheme, wherein each involved building block and annexation are not limited
The setting and connection of each building block in a kind of this following embodiment described by the embodiment, the preferred scheme
Relation can carry out arbitrary permutation and combination and form complete technical scheme.
The technical scheme of the double-planet train Multimode hybrid power system is described in detail with reference to Fig. 1,2：
A kind of double-planet train Multimode hybrid power system, including engine assembly 300, integrated startup electric generator
19th, main drive motor 14, the first planetary gear train assembly 200 and the second planetary gear train assembly 100, two groups of planetary gear trains are each
It is upper separate from inside connection and motion.Engine assembly 300 includes engine 301, and the first planetary gear train assembly 200 includes
First gear ring 203, the first planet carrier 204 and the first sun gear 205, the first planetary gear train assembly 200 and the second planetary gear train are total
Clutch 16 is provided between into 100, the output shaft of engine 301 is connected with the first planet carrier 204, integrated startup electric generator
19 are connected with the first sun gear 205, and the first gear ring 203 is set to output end.Generating is provided with integrated startup electric generator 19
Brake 201, generation braker 201 can control the first sun gear 205 and the brake lock of institute's connection axle series or release to rotate；
The first gear ring brake 202 is provided with first gear ring 203, the first gear ring brake 202 is used to control the first gear ring 203 relative
It is connected or disengages in vehicle frame.Torsion vibration absorber 302 is provided between the output shaft of engine 301 and the first planet carrier 204.Clutch
16 one end are connected with the first gear ring 203, and its other end is connected with main drive motor 14.Including vehicle frame and system output shaft
102, the second planetary gear train assembly 100 includes the second gear ring 101, the second planet carrier 103 and the second sun gear 104, second sun
Wheel 104 is connected with main drive motor 14, is fixedly connected between the second gear ring 101 and the vehicle frame, the second planet carrier 103 is with being
System output shaft 102 is connected, and then system output shaft 102 is connected with vehicle main reducing gear, so as to realize to vehicle traction
Bridge 12 exports power.It is provided with first gear ring 203 at first gear ring speed probe 18, main drive motor 14 and is provided with TM electricity
Clutched state sensor 17 is provided with machine speed probe 11, clutch 16.Main drive motor 14 can be using height
The small torque T M motors of speed, increasing torsion effect by the deceleration of second planetary gear train can still realize that high pulling torque is exported, and ensure system
System output torque is met can reduce the volume, quality and manufacturing cost of main drive motor 14, integrated startup while requirement
The size of electric generator 19 and main drive motor 14 is close with volume, in order to arrangement.Including vehicle CAN communication network 3,
Full-vehicle control unit 7, battery management system 2, Meter Control Unit 5 and the other modules 9 of vehicle, vehicle CAN communication network 3 are distinguished
It is connected with the other modules 9 of full-vehicle control unit 7, battery management system 2, Meter Control Unit 5 and vehicle.Including internal CAN
Communication network 4, control unit of engine 6, hybrid power whole vehicle controller 8, integrated motor control unit 15, internal CAN communication
Network 4 respectively with Meter Control Unit 5, control unit of engine 6, full-vehicle control unit 7, hybrid power whole vehicle controller 8 and
Integrated motor control unit 15 is connected.Including electrokinetic cell 1, electrokinetic cell 1 respectively with battery management system 2 and integrated motor
Control unit 15 is connected.Including ring flange 13, driving wheel of vehicle 10 and vehicle drive axle 12, the second planetary gear train assembly 100
It is connected by ring flange 13 with vehicle drive axle 12, vehicle drive axle 12 is connected with driving wheel of vehicle 10.
The present invention operation principle be：By controlling generation braker 201, the first gear ring brake 202 and clutch 16
Working condition, in addition double-planet train power dividing effect, realize following eight kinds of mode of operations：1) when 16 points of clutch
From when, the gear ring brake 202 of generation braker 201 and first is not braking, in whole dynamical system only have main drive motor 14
Work, now dynamical system is in pure electric mode；2) when clutch 16 is not engaged, generation braker 201 does not work,
First gear ring brake 202 is braked, and engine 301 starts, and main drive motor 14 works with integrated startup electric generator 19, this
When power system operational be in tandem working pattern；3) when clutch 16 is engaged, generation braker 201 is braked, the first gear ring
Brake 202 is not braking, and integrated startup electric generator 19 does not work, and engine 301 works, and now dynamical system is in work in parallel
Operation mode；4) when clutch 16 is engaged, the gear ring brake 202 of generation braker 201 and first is not braking, engine 301,
Integrated startup electric generator 19, main drive motor 14 work, and now power system operational is in series-parallel connection mode of operation；5) when from
When clutch 16 is engaged, generation braker 201 is braked, and the first gear ring brake 202 is not braking, integrated startup electric generator 19 and master
Motor 14 does not work, and only engine 301 works, and now dynamical system is in pure engine driving operation pattern；6) when
When clutch 16 is engaged, the gear ring brake 202 of generation braker 201 and first is not braking, and main drive motor 14 does not work, hair
Motivation 301 works with integrated startup electric generator 19, and now dynamical system, which is in, forces boost charge mode of operation；7) clutch is worked as
When device 16 is not engaged, generation braker 201 is not worked, and the first gear ring brake 202 is braked, and engine 301 is sent out with integrated startup
Motor 19 works, and main drive motor 14 does not work, if vehicle lay-off, and now dynamical system can realize parking boost charge
Mode of operation；8) when clutch 16 is not engaged, the gear ring brake 202 of generation braker 201 and first is not braking, engine
301 do not start with integrated startup electric generator 19, and main drive motor 14 is operated in generating state, and now dynamical system can be realized
Regenerative braking mode of operation.
When main drive motor 14 works independently, because clutch 16 can realize power interruption, it is to avoid because of main driving electricity
The rotor of the integrated startup electric generator 19 caused by being operated alone of machine 14 carries out energy loss and the machine that unloaded rotation is brought
Tool is lost, so as to extend the working life of integrated startup electric generator 19, while system overhaul can be reduced with safeguarding week
Phase.
The present invention needs clutch 16 to engage when carrying out AD HOC switching, in order to ensure the control essence of clutch 16
Degree, is equipped with speed probe, by described two before clutch 16 is engaged at the first gear ring 203 and main drive motor 14
The speed discrepancy of speed probe is confirmed whether to meet engaging condition；Pass through described two revolution speed sensings after the engagement of clutch 16
Whether the speed discrepancy of device is zero to judge whether engagement state is authentic and valid；Pass through described two rotating speeds after the separation of clutch 16
Whether the speed discrepancy of sensor is not zero to judge whether separation is thorough.The clutch joint shape set simultaneously at clutch 16
State sensor can carry out position diagnosis, further to detect the active part of clutch 16 and the joint shape of secondary part
State, thus the moment ensure the reliability of clutch work, to ensure switching work that vehicle is smoothed out between different working modes
Make.
Eight kinds of mode of operations of the present invention are as shown in table 1：
Table 1：
Table 1 illustrates：In table ● represent that component working , ╳ represent that the part does not work.
Eight kinds of mode of operations, can switch suitable mode of operation, the moment meets car according to the different operating modes of vehicle at any time
Dynamic property and cost-effectiveness requirement, make vehicle remain at optimum Working.
The present invention is by the second appropriate planetary gear train gear ratio of selection, when carrying out dynamic property matching by selecting
The main drive motor 14 of the small moment of torsion of high speed, increases torsion effect by the deceleration of the second planetary gear train assembly 100 and realizes that high pulling torque is exported,
Volume, the quality of main drive motor 14 are reduced while ensureing that system output torque meets and required, system is reduce further
Development cost is made, the size of integrated startup electric generator 19 and main drive motor is close with volume, to carry out arrangement.
The present invention is by using dual planetary gear architecture so that the first planetary gear train assembly 200 realizes power dividing, the
Two planetary gear train assemblies 100, which play a part of slowing down increasing, to be turned round.Pass through the set sun of integrated startup electric generator 19 and first
Wheel 205 is connected and controlled by generation braker 201 braking or release of first sun gear 205, and set engine
301 output shaft is connected by torsion vibration absorber 302 with the first planet carrier 204, it is achieved thereby that the operating point of engine 301
With speed decoupling.The rotating speed of integrated startup electric generator 19 is adjusted by integrated motor control unit 15, regulation is reached
The technique effect of the operating point of engine 301, makes the moment of engine 301 be operated in the good high efficient district of fuel economy, so that real
The technique effect of existing energy-saving and emission-reduction.
The technology of the control method of the double-planet train Multimode hybrid power system is described in detail with reference to Fig. 1,2
Scheme：
A kind of control method of double-planet train Multimode hybrid power system, implements the system of the control method including upper
Any one double-planet train Multimode hybrid power system in embodiment is stated, including：Electric-only mode control method, series connection
Mode control method, paralleling model control method, series-parallel connection mode control method, pure engine drive mode control method, pressure
Boost charge mode control method, parking boost charge mode control method and braking mode control method.
The electric-only mode control method is：When engine 301 is closed, integrated startup electric generator 19 does not work,
Clutch 16 is in disengaged condition, and electrokinetic cell 1 is powered to main drive motor 14, and moment of torsion passes through second by main drive motor 14
Sun gear 104 is delivered to the second planet carrier 103, increases by slowing down and turns round the output of process to vehicle rear vehicle drive axle 12；Due to from
Clutch 16 separates main drive motor 14 with the first gear ring 203, it is to avoid integrated startup generates electricity when main drive motor 14 works
Energy loss and mechanical loss that the rotor of motor 19 dallies brought, the electric-only mode are used for the vehicle start stage, should
Mode control method effectively prevent the high oil consumption technical problem existed when parking engine idling and low vehicle speeds, fuel oil
Economy greatly improve.
The series model control method be used for electrokinetic cell 1 electricity is relatively low and vehicle is in low speed small load condition
When, now clutch 16 is not engaged, and generation braker 201 does not work, and the first gear ring brake 202 is braked, and engine 301 is opened
It is dynamic, drive integrated startup electric generator 19 to generate electricity when it is operated in fuel economy best operating point, a portion electric energy
Main drive motor 14 is transported to drive vehicle movement, another part electrical power storage is in electrokinetic cell 1, in the series model
The rotating speed of lower engine 301 is decoupled with speed, and engine 301 can be made to be in best operating point.The mode control method can be carried
High fuel economy, discharge capacity is also further reduced while use cost is further saved.
The paralleling model control method be used for vehicle high speed traveling during, the electricity of electrokinetic cell 1 it is higher and
When load is higher, now clutch 16 is engaged, and generation braker 201 is braked, and the first gear ring brake 202 is decontroled, integrated startup
Electric generator 19 is not worked, and engine 301 starts, and the moment of torsion of engine 301 is transmitted by the first planet carrier 204, the first gear ring 203
To clutch 16, increase at clutch 16 with the torque couple of main drive motor 14 and jointly by the second planetary gear train assembly 100
Vehicle drive axle 12 is transferred to after torsion.The exportable high torque of the mode control method, can still be carried when vehicle is in high speed
For strong impetus, so as to meet acceleration demand of the vehicle in high speed.
The series-parallel connection mode control method is：When clutch 16 is engaged, the gear ring brake of generation braker 201 and first
202 is not braking, and the torque couple that the moment of torsion and main drive motor 14 of the work output of engine 301 are exported drives vehicle to drive jointly
Dynamic, engine 301 drives integrated startup electric generator 19 to generate electricity while output torque, according to operating mode and electrokinetic cell 1
State-of-charge selection delivers the power to main drive motor 14 or is stored in electrokinetic cell 1；The rotating speed of the planetary gear train is closed
It is that formula is：
nISG+(1+k)nE+knR=0,
Wherein, nISGFor the integrated rotating speed of startup electric generator 19；nEFor the rotating speed of engine 301；nRFor 203 turns of the first gear ring
Speed；K is the gear ratio of the first gear ring 203 and the first sun gear 205；
Under the series-parallel connection pattern, the rotating speed n of the first gear ring 203RChange with the change of speed, by adjusting integrated startup
The rotating speed n of electric generator 19ISGTo adjust the rotating speed n of engine 301E, engine 301 is worked in high efficient district by control, so that significantly
Fuel economy is improved, the series-parallel connection pattern is used for vehicle and accelerated or high load capacity work condition state.
The pure engine drive mode control method is：Now generation braker 201 is braked, the first gear ring brake
202 is not braking, and clutch 16 is engaged, and integrated startup electric generator 19 does not generate electricity, and main drive motor 14 does not work, engine 301
Work independently driving vehicle traveling.
It is described pressure boost charge mode control method be：During vehicle high speed traveling, vehicle power demand is not
When the big and state-of-charge of electrokinetic cell 1 is relatively low, engine 301 is worked independently, and integrated open is driven by the first planetary gear train assembly 200
Dynamic electric generator 19 is generated electricity, and electricity is supplemented to electrokinetic cell 1, while engine 301, which provides moment of torsion, is used for traveling of driving；Described
Force under boost charge pattern, clutch 16 is engaged, and the gear ring brake 202 of generation braker 201 and first is not braking, it is main to drive
Dynamic motor 14 is not worked, and the work of engine 301 is charged and output torque in best operating point and to electrokinetic cell 1.The mould
The fuel economy of formula control method is good, discharges low.
The parking boost charge mode control method be used for vehicle lay-off and electrokinetic cell 1 electricity it is relatively low when, now
Clutch 16 is not engaged, and generation braker 201 does not work, and the first gear ring brake 202 is braked, and engine 301 starts and worked
Integrated startup electric generator 19 is driven to be charged to electrokinetic cell 1 in fuel economy best operating point, the parking supplement is filled
Power mode can make full use of vehicle lay-off gap to supplement electricity in time to electrokinetic cell 1, vehicle is in optimum state all the time.
The braking mode control method is：Now clutch 16 is not engaged, the gear ring of generation braker 201 and first
Brake 202 is not braking, and only main drive motor 14 is operated in generating state, by energy regenerating when sliding or braking to power
In battery 1；Torque and the rotating speed pass between the planetary gear train assembly 200 of main drive motor 14 and first have been blocked due to clutch 16
Connection, it is to avoid because the idle running of the first gear ring 203 causes integrated startup electric generator 19 and engine 301 when being not provided with clutch 16
Rotating speed be in the working condition of uncertain unstable state.The mode control method is decreased while the stability of a system is improved
Rotary inertia during idle running.
Claims (10)
1. a kind of double-planet train Multimode hybrid power system, including engine assembly（300）, integrated startup electric generator
（19）, main drive motor（14）, the first planetary gear train assembly（200）With the second planetary gear train assembly（100）, engine assembly
（300）Including engine（301）, the first planetary gear train assembly（200）Including the first gear ring（203）, the first planet carrier（204）With
First sun gear（205）, the first planetary gear train assembly（200）With the second planetary gear train assembly（100）Between be provided with clutch
（16）, it is characterised in that engine（301）Output shaft and the first planet carrier（204）It is connected, integrated startup electric generator（19）
With the first sun gear（205）It is connected, the first gear ring（203）It is set to output end.
2. double-planet train Multimode hybrid power system as claimed in claim 1, it is characterised in that integrated startup generates electricity electric
Machine（19）Place is provided with generation braker（201）.
3. double-planet train Multimode hybrid power system as claimed in claim 1, it is characterised in that the first gear ring（203）
Place is provided with the first gear ring brake（202）.
4. double-planet train Multimode hybrid power system as claimed in claim 1, it is characterised in that engine（301）It is defeated
Shaft and the first planet carrier（204）Between be provided with torsion vibration absorber（302）.
5. double-planet train Multimode hybrid power system as claimed in claim 1, it is characterised in that clutch（16）One end
With the first gear ring（203）It is connected, its other end and main drive motor（14）It is connected.
6. double-planet train Multimode hybrid power system as claimed in claim 1, it is characterised in that including vehicle frame and system
Output shaft（102）, the second planetary gear train assembly（100）Including the second gear ring（101）, the second planet carrier（103）With second sun
Wheel（104）, the second sun gear（104）With main drive motor（14）It is connected, the second gear ring（101）It is fixed between the vehicle frame
Connection, the second planet carrier（103）With system output shaft（102）It is connected.
7. double-planet train Multimode hybrid power system as claimed in claim 1, it is characterised in that the first gear ring（203）
Place is provided with the first gear ring speed probe（18）.
8. double-planet train Multimode hybrid power system as claimed in claim 1, it is characterised in that main drive motor（14）
Place is provided with TM motor speed sensors（11）.
9. double-planet train Multimode hybrid power system as claimed in claim 1, it is characterised in that clutch（16）Place is set
It is equipped with clutched state sensor（17）.
10. a kind of control method of double-planet train Multimode hybrid power system, implementing the system of the control method is included such as
The double-planet train Multimode hybrid power system of any one of claim 1 to 9, it is characterised in that including electric-only mode
Control method, series model control method, paralleling model control method, series-parallel connection mode control method, pure engine drive mode
Control method, pressure boost charge mode control method, parking boost charge mode control method and braking mode control
Any one of method.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107985058A (en) * | 2017-12-14 | 2018-05-04 | 广州汽车集团股份有限公司 | A kind of hybrid power coupling mechanism, control system and method |
| CN108116218A (en) * | 2017-12-29 | 2018-06-05 | 福建省晋江市东石肖下连盛机械配件厂（普通合伙） | Multi gear position parallel-series driving system based on planetary gear train |
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| CN109955707A (en) * | 2017-12-22 | 2019-07-02 | 比亚迪股份有限公司 | Hybrid vehicle and its electricity-generating control method and dynamical system |
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| CN113022294A (en) * | 2021-03-05 | 2021-06-25 | 江苏大学 | Single-planet-row type hybrid electric vehicle power coupling mechanism and dynamic coordination control method thereof |
| CN112977041A (en) * | 2021-04-15 | 2021-06-18 | 上海中科深江电动车辆有限公司 | Double-motor power generation system |
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