CN108909431A - A kind of the single motor hybrid electric drive system and control method of vehicle - Google Patents
A kind of the single motor hybrid electric drive system and control method of vehicle Download PDFInfo
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- CN108909431A CN108909431A CN201810660645.6A CN201810660645A CN108909431A CN 108909431 A CN108909431 A CN 108909431A CN 201810660645 A CN201810660645 A CN 201810660645A CN 108909431 A CN108909431 A CN 108909431A
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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
- B60K6/24—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 combustion engines
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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
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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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- 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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Structure Of Transmissions (AREA)
- Hybrid Electric Vehicles (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The present invention provides the single motor hybrid electric drive systems and control method of a kind of vehicle, belong to automobile technical field.It solves the problems, such as power performance and energy-saving effect are good while how making hybrid electric drive system structure simple, at low cost.This drive system includes engine, lockable mechanism, motor, clutch, gearbox, the sun gear of coaxial arrangement, planetary gear and planetary ring gear, planetary gear engages between sun gear and planetary ring gear and respectively with the two, the rotor of motor and the wheel shaft of sun gear are coaxial and connected, planet carrier is fixed on planetary gear wheel shaft, planet carrier is connected or is separated with the wheel shaft of sun gear by clutch；The output shaft and planetary ring gear of engine are connected, and the input shaft of planet carrier and gearbox is connected.This system structure is simple, cost is relatively low, and has multiple-working mode, optimal operating mode can be selected according to different vehicle conditions, so that vehicle has preferable power performance and energy-saving effect.
Description
Technical field
The invention belongs to automobile technical fields, are related to the single motor hybrid electric drive system and controlling party of a kind of vehicle
Method.
Background technique
With the fast development of current economy, environmental pollution and energy conservation and environmental protection problem increasingly by the wide concern of people,
Government also increases leading and studying to this field of new energy, and it is low that orthodox car is faced with transmission efficiency, emission pollution
The problems such as environment, oneself cannot increasingly meet the requirements, but the development of pure electric automobile is also restricted at this stage, mainly electric
The research and development bottleneck of pond new technology, it is difficult to meet the requirement of the mileage travelled of automobile long-distance, so hybrid power is at this stage most
Two kinds of good selections.Different according to power source in hybrid power system, hybrid drive device is broadly divided into two classes：Bi-motor
Scheme hybrid drive device and single motor scheme hybrid drive device.
Wherein, the hybrid drive device of bi-motor scheme such as Chinese patent【Application number 201510053133.X】It is open
A kind of output power shunt hybrid power loading machine power drive system, it is first as power coupling using double-planet train
Part realizes the output power shunt transmission of loading machine.Engine input shaft is connect with the rotating part of the first lock device, and
It is engaged by first gear with the second gear that front-seat planetary gear train gear ring is coaxially connected, No. two rotor one end and sun gear
Connection, the other end are connect with the second lock device rotating part, and rear ring gear is connect with No.1 rotor, the planet of planetary gear train
Frame is connected with exporting axis.According to complete machine operation conditions and power battery charged state, by the first lock device and the second locking
The Engagement Control of device, can control loading machine engine start mode, pure electric drive mode, engine be operated alone mode,
Flexibly switch between 5 kinds of operating modes such as power dividing mode and braking mode, improve transmission system of wheel loader efficiency,
Effectively improve the fuel economy of loading machine.
The hybrid drive device of single motor scheme such as Chinese patent【Application number 201720784065.9】Disclose one
Kind single motor hybrid transmissions, including：Deceleration mechanism, differential mechanism, shell, be set to the intracorporal motor of shell, central axis,
It is set in turn in second brake on central axis, compound planetary row mechanism, the first brake, second clutch, third clutch
Device and first clutch arrange the first connecting shaft, the second connecting shaft and the third connecting shaft that mechanism is connected with compound planetary, wherein：Motor
Stator is fixedly connected with the casing, and rotor arranges mechanism with compound planetary by the first connecting shaft and is connected；Compound planetary arranges mechanism, the second company
Axis, deceleration mechanism and differential mechanism are sequentially connected；Between central axis and the first connecting shaft, second clutch is located at first clutch
Between central axis and compound planetary row mechanism, third clutch is located between compound planetary row mechanism and the first connecting shaft；First system
Dynamic device and second brake are fixedly connected with the casing and are connected respectively with the first connecting shaft and third connecting shaft；The system is a kind of constant speed
Power overlapping system, using engine as major impetus, motor is as auxiliary power.
In the prior art, engine operating efficiency is high in the hybrid drive device of bi-motor scheme, the power of vehicle
Performance and energy-saving effect are relatively preferable, but structure is complicated, at high cost, and operating mode is few.Although single motor scheme is not necessarily to biography
System vehicle carries out big change, but due to not having power dividing function, the power performance and energy-saving effect of vehicle are compared with bi-motor
Scheme still has gap.Therefore, a kind of structure of market in urgent need is simple, at low cost, power performance and energy-saving effect are preferable, operating mode
The hybrid drive device of more single motor schemes.
Summary of the invention
The purpose of the present invention is there is the above problem in view of the prior art, the single motor hybrid power for proposing vehicle is driven
Dynamic system and control method, present invention solves the technical problem that being how to make hybrid electric drive system structure simple, at low cost
While power performance and energy-saving effect it is good.
On the one hand, object of the invention can be realized by the following technical scheme：A kind of single motor hybrid power of vehicle
Drive system, including engine, the lockable mechanism for locking engine, motor, clutch and gearbox, which is characterized in that
The drive system further includes sun gear, planetary gear and the planetary ring gear of coaxial arrangement, and the planetary gear is located at sun gear
It is engaged between planetary ring gear and respectively with the two, the rotor of the motor and the wheel shaft of sun gear are coaxial and connected, the row
Planet carrier is fixed on the wheel shaft of star gear, the planet carrier is connected or is separated with the wheel shaft of sun gear by clutch；It is described
The output shaft and planetary ring gear of engine are connected, and the input shaft of the planet carrier and gearbox is connected.
This single motor hybrid electric drive system is by designing a set of planetary gear mechanism engine, motor, gearbox
It connects well, it is ensured that carry out energy regenerating while structure is simple, cost is relatively low to greatest extent, save energy
Source reduces oil consumption；Specifically, in the course of work of starting and normally travel, locking mechanism unclamps vehicle, and engine is in
Working condition, clutch separation, gearbox are in shelves state, at this moment engine driving gear ring, motor driven sun gear, planet
Frame is inputted as the power of gearbox, is adjusted speed by electric power generation and driving at this time, engine can be allowed to be in always
Efficacious workaround keeps the power of vehicle most strong, and energy consumption used is minimum；That is, when gearbox needs low speed, low torsion,
Motor can be generated electricity to be balanced the torque of transmission input shaft and revolving speed, to recover energy to greatest extent, be saved
The energy；When gearbox needs high speed, high torsion, motor can carry out driving and engine together drives vehicle, make
Power performance is best；Therefore, in the above-mentioned course of work, it can achieve good energy-saving effect by carrying out dynamic branch, and
Pure single motor realizes the dynamic branch of transmission system, and simpler compared to the dynamic branch system structure of bi-motor, cost is more
It is low；Simultaneously as can be with dynamic branch, the gearbox-gear connected below may not necessarily be too many, and size can subtract as far as possible
It is small, be conducive to the arrangement of vehicle；In addition, in vehicle driving, engine and motor can be same when clutch is in bonding state
When drive vehicle, keep vehicle power sufficient；Counter drag of motor can generate electricity when vehicle braking, to carry out the recycling benefit of energy
With, and then saved the energy.
On the other hand, object of the invention can be realized by the following technical scheme：A kind of single motor mixing of vehicle is dynamic
The control method of power-driven system, which is characterized in that vehicle ECU can control the drive system and realize following operating mode：
Pure electrician's operation mode, the mode that starts to work, idling power generation operation mode, engine starting operating mode, power dividing Working mould
Formula, energy regenerating operating mode, reverse gear operating mode and mixing power operation mode；
When engine does not work, and motor works independently, vehicle ECU controls the drive system and is in pure electrician's operation mode
Under state；
Work as stationary vehicle, when engine needs to start, vehicle ECU controls the drive system and is in the mode that starts to work；
Work as stationary vehicle, engine is in idling mode, and gearbox is in neutral gear position, when vehicle is braked；Alternatively, working as vehicle
Red light crossing is driven to, gearbox is on gear, when vehicle is braked；Vehicle ECU controls the drive system and is in idling hair
Electrician's operation mode；
When vehicle encounters traffic congestion, low running speed, SOC value of battery is low, when can not be started to walk with motor；Described in vehicle ECU control
Drive system is in engine starting operating mode；
When vehicle is in the course of work of starting and normally travel, engine operation, gearbox is in shelves state, clutch
Device is in discrete state, and vehicle ECU controls the drive system and is in power dividing operating mode；
When vehicle needs to slow down, when brake, vehicle ECU controls the drive system and is in energy regenerating Working mould
Formula；
When Vehicular shift handle is in reverse gear position, vehicle ECU controls the drive system and is in reverse gear operating mode；
When clutch is in bonding state, engine and motor are connected to together, and vehicle ECU controls the drive system
In mixing power operation mode.
This drive system has multiple-working mode, and vehicle ECU can be directed to different vehicle working conditions, enable drive system
It is enough under corresponding operating mode, so that drive system can be good according to the different power performance that be in always of vehicle condition,
The high state of energy-saving efficiency.
In the control method of the single motor hybrid electric drive system of above-mentioned vehicle, in pure electrician's operation mode
Under, clutch is in discrete state, and the engine is locked up mechanism locking, and motor driven sun gear rotates, and planetary ring gear is quiet
Only, input shaft of the planet carrier power output to gearbox.Planetary gear mechanism plays the role of deceleration torque increase, Ke Yili at this time
Speed is adjusted with the revolving speed of motor, the revolving speed of motor is higher, and speed is faster, when motor revolving speed and speed height to a certain extent
When, subsequent gearbox starts to shift gears, and keeps speed higher, and motor works in efficacious workaround, to guarantee drive system
Power performance；Meanwhile can control when brake motor carry out it is counter drag power generation progress energy regenerating, to be conducive to the energy
It saves, improves the energy-saving effect of drive system.
In the control method of the single motor hybrid electric drive system of above-mentioned vehicle, in the mode that starts to work
Under, starting engine, there are three types of method, first methods：Lockable mechanism is unclamped, slams brake, gearbox is on gear, clutch
Device separation, motor is counter to drag engine to be started；Second method：Lockable mechanism is unclamped, gearbox is not on gear, clutch
In conjunction with motor drives engine to be started；The third method：Lockable mechanism is unclamped, not on gear, motor first revolves gearbox
It turns over, is rubbed by the cunning of clutch and start engine.By it is above-mentioned it is several drive engine start using motor, have in this way
Conducive to the energy that engine self-starting needs is saved, to improve the energy-saving effect of this drive system.
In the control method of the single motor hybrid electric drive system of above-mentioned vehicle, in the idling power generation operation mould
Under formula, clutch is in bonding state at this time, and engine can generate electricity with motor.Such operating condition mainly copes with battery
When SOC value is low or electricity is needed to store, charging blind area can be effectively avoided, the energy of engine is made full use of, is conducive to mention
The energy-saving effect of high this system.
In the control method of the single motor hybrid electric drive system of above-mentioned vehicle, in engine starting work
Under mode, clutch is in discrete state, and engine output shaft drives planetary ring gear to output power to transmission input shaft.It is logical
The above mode is crossed, start clutch is not needed, reduces the calorific value of gearbox, improves the work of speed changer and engine
Efficiency keeps starting smooth.
In the control method of the single motor hybrid electric drive system of above-mentioned vehicle, in the power dividing Working mould
Under formula, when gearbox needs low speed, low torsion, motor can be generated electricity to be balanced the torque of transmission input shaft and turn
Speed；When gearbox needs high speed, high torsion, motor can carry out driving and engine together drives vehicle.Above-mentioned power
Shunt mode can achieve good energy-saving effect, and single motor power dividing has good cost advantage again, weaken from
The effect of clutch, reduces development difficulty.
In the control method of the single motor hybrid electric drive system of above-mentioned vehicle, in the energy regenerating Working mould
Under formula, ABS does not work first at this time, drags power generation by the way that motor is counter and carries out vehicle braking reduction of speed.Above-mentioned motor is counter to drag power generation
It means, motor does not work at this time, and transmission input shaft drives planet carrier, and planet carrier drives sun gear, and sun gear drives motor
Rotor rotation, that is to say, that at this point, rotor rotates power generation under the drive of transmission input shaft, reached using the resistance of rotor
To the purpose of braking reduction of speed, i.e., motor is counter drags power generation.
In the control method of the single motor hybrid electric drive system of above-mentioned vehicle, in the reverse gear operating mode
Under, clutch is in discrete state, and engine does not work, and engine is carried out locking by lockable mechanism, and motor reversal drives speed change
The rotation of case input shaft.By designing above, gearbox can be made to be simplified, cancel reverse gear mechanism, save cost, realized and hold
Easily.
In the control method of the single motor hybrid electric drive system of above-mentioned vehicle, in the hybrid electric working mould
Under formula, not in gear, engine driving motor can directly generate electricity gearbox；In vehicle driving, engine and motor
Vehicle can be driven simultaneously；When vehicle braking, motor anti-dragged brake can generate electricity.By the above mode, this drive can be made
Dynamic system dynamic performance and energy-saving effect are in preferable level.
In another aspect, the purpose of the present invention also can be realized by the following technical scheme：A kind of single motor mixing of vehicle
Power-driven system exists including engine, the lockable mechanism for locking engine, motor, clutch and gearbox, feature
In the drive system further includes sun gear, planetary gear and the planetary ring gear of coaxial arrangement, and the planetary gear is located at the sun
It engages between wheel and planetary ring gear and with the two respectively, the rotor of the motor and the wheel shaft of sun gear are coaxial and connected, described
Planet carrier is fixed on planetary gear wheel shaft, the planet carrier is connected or is separated with the wheel shaft of sun gear by clutch；Institute
The output shaft and planet carrier for stating engine are connected, and the input shaft of the planetary ring gear and gearbox is connected.This scheme is engine
Be connected with planet carrier, motor is connected with sun gear, and planetary ring gear is connected with transmission input shaft, the quantity of components and the first
Scheme is essentially identical, and only connection type is different, and operating mode is also identical as the first scheme and the first scheme compares power
The torque and revolving speed of shunting have difference, but equally can achieve keeps hybrid electric drive system structure simple, at low cost same
When the power performance and good purpose of energy-saving effect.
Compared with prior art, the single motor hybrid electric drive system of this vehicle and control method have the following advantages that：
This single motor hybrid electric drive system well connects engine, motor, gearbox by designing a set of planetary gear mechanism
It picks up and, it is ensured that energy regenerating is carried out to greatest extent while structure is simple, cost is relatively low, it is energy saving, reduce oil
Consumption, and have multiple-working mode, optimal operating mode can be selected according to different vehicle conditions, so that vehicle has preferably
Power performance and energy-saving effect.
Detailed description of the invention
Fig. 1 is the structure schematic diagram of the present embodiment one.
Fig. 2 is the structure schematic diagram of the present embodiment two.
Fig. 3 is the structure schematic diagram of the present embodiment three.
In figure, 1, engine；1a, output shaft；2, lockable mechanism；3, motor；31, rotor；32, stator；33, shell；4,
Clutch；5, gearbox；51, input shaft；6, sun gear；7, planetary gear；8, planetary ring gear；9, planet carrier；10, double quality fly
Wheel.
Specific embodiment
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
However, the present invention is not limited to these examples.
Embodiment one：
Specifically, as shown in fig. 1, the single motor hybrid electric drive system of this vehicle includes engine 1, for locking
Lockable mechanism 2, motor 3, clutch 4 and the gearbox 5 of engine 1, drive system further include the sun gear 6 of coaxial arrangement, row
Star gear 7 and planetary ring gear 8, planetary gear 7 are engaged with the two between sun gear 6 and planetary ring gear 8 and respectively, motor 3
Rotor 31 and the wheel shaft of sun gear 6 it is coaxial and connected, planet carrier 9 is fixed on the wheel shaft of planetary gear 7, planet carrier 9 passes through
Clutch 4 is connected or separates with the wheel shaft of sun gear 6；The output shaft 1a and planetary ring gear 8 of engine 1 are connected, planet carrier 9 and change
The input shaft 51 of fast case 5 is connected.
More specifically, being connected with double mass flywheel 10 or torsion vibration absorber, lockable mechanism on the output shaft 1a of engine 1
2 are used for locking double mass flywheel 10 or torsion vibration absorber.Motor 3 includes rotor 31, shell 33, is fixed on shell 33 and determines
Son 32.Lockable mechanism 2 is fixed on engine 1 or shell 33.Lockable mechanism 2 therein belongs to the prior art, and such as China is special
Benefit【Application number 201220414010.6】A kind of disclosed 1 lockable mechanism 2 of engine for automobile hybrid power plant, or
Such as China【Application number 201520847474.X】A kind of disclosed 1 flywheel lock device of engine.
In addition, vehicle ECU can control driving in the control method of the single motor hybrid electric drive system of this vehicle
System realizes following operating mode：Pure electrician's operation mode, the mode that starts to work, idling power generation operation mode, engine starting work
Operation mode, power dividing operating mode, energy regenerating operating mode, reverse gear operating mode and mixing power operation mode；
When engine 1 does not work, and motor 3 works independently, vehicle ECU control drive system is in pure electrician's operation mode shape
Under state；Under pure electrician's operation mode, clutch 4 is in discrete state, and engine 1 is locked up 2 locking of mechanism, and motor 3 drives too
6 rotation of sun wheel, planetary ring gear 8 is static, input shaft 51 of the planet carrier 9 power output to gearbox 5.
Work as stationary vehicle, when engine 1 needs to start, vehicle ECU control drive system is in the mode that starts to work；It is rising
It starts building under operation mode, starting engine 1, there are three types of method, first methods：Lockable mechanism 2 is unclamped, brake, gearbox 5 are slammed
On gear, clutch 4 is separated, and motor 3 is counter to drag engine 1 to be started；Second method：Unclamp lockable mechanism 2, gearbox
5 on gear, and clutch 4 combines, and motor 3 drives engine 1 to be started；The third method：Lockable mechanism 2 is unclamped, is become
Not on gear, motor 3 first rotates fast case 5, is rubbed by the cunning of clutch 4 and starts engine 1.
Work as stationary vehicle, engine 1 is in idling mode, and gearbox 5 is in neutral gear position, when vehicle is braked；Alternatively, working as
Vehicle driving is to red light crossing, and gearbox 5 is on gear, when vehicle is braked；Vehicle ECU control drive system is in idling power generation
Operating mode；Under idling power generation operation mode, clutch 4 is in bonding state at this time, engine 1 can with motor 3 into
Row power generation.
When vehicle encounters traffic congestion, low running speed, SOC value of battery is low, when can not be started to walk with motor 3；Vehicle ECU control driving
System is in engine starting operating mode；It starts to walk under operating mode in engine, clutch 4 is in discrete state, engine 1
Output shaft 1a drives planetary ring gear 8 to output power to 5 input shaft 51 of gearbox.
When vehicle is in the course of work of starting and normally travel, engine 1 works, and gearbox 5 is in shelves state, from
Clutch 4 is in discrete state, and vehicle ECU control drive system is in power dividing operating mode；In power dividing operating mode
Under, when gearbox 5 needs low speed, low torsion, motor 3 can be generated electricity to be balanced the torque of 5 input shaft 51 of gearbox
And revolving speed；When gearbox 5 needs high speed, high torsion, motor 3 can carry out driving and engine 1 together drives vehicle.
When vehicle needs to slow down, when brake, vehicle ECU control drive system is in energy regenerating operating mode；?
Under energy regenerating operating mode, ABS does not work first at this time, drags power generation by the way that motor 3 is counter and carries out vehicle braking reduction of speed.
When Vehicular shift handle is in reverse gear position, vehicle ECU control drive system is in reverse gear operating mode；It is falling
Under shelves operating mode, clutch 4 is in discrete state, and engine 1 does not work, and engine 1 is carried out locking, electricity by lockable mechanism 2
Machine 3 is driven reverse the rotation of 5 input shaft 51 of gearbox.
When clutch 4 is in bonding state, engine 1 and motor 3 are connected to together, and vehicle ECU controls drive system
In mixing power operation mode.Under hybrid electric working mode, gearbox 5 is not in gear, 1 driving motor 3 of engine
It can directly generate electricity；In vehicle driving, engine 1 and motor 3 can drive vehicle simultaneously；When vehicle braking, motor 3 is anti-
Drag braking that can generate electricity.
Embodiment two：
Technical solution in the present embodiment and the technical solution in embodiment one are essentially identical, the difference is that, such as Fig. 2
Shown, in the present embodiment, the output shaft 1a and planet carrier 9 of engine 1 are connected, and the input shaft 51 of planetary ring gear 8 and gearbox 5 is solid
Even.
Embodiment three：
Technical solution in the present embodiment and the technical solution in embodiment two are essentially identical, the difference is that, such as Fig. 3
It is shown, two groups of intermeshings and the concentric planet tooth of motion profile are equipped in the present embodiment, between planetary ring gear 8 and sun gear 6
Wheel 7, wherein one group of planetary gear 7 is engaged with sun gear 6, another group of planetary gear 7 is engaged with planetary ring gear 8.This scheme increases
One group of planetary gear 7, effect for commutation.Operating mode is identical as the first scheme and the first scheme compares power
The torque and revolving speed of shunting have difference, can equally play energy-efficient effect.
Specific embodiment described herein is only an example for the spirit of the invention.The neck of technology belonging to the present invention
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Although engine 1, output shaft 1a, lockable mechanism 2, motor 3, rotor 31, stator 32, shell is used more herein
Body 33, clutch 4, gearbox 5, input shaft 51, sun gear 6, planetary gear 7, planetary ring gear 8, planet carrier 9, double mass flywheel
10 equal terms, but it does not exclude the possibility of using other terms.The use of these items is only for more easily describing and
Explain essence of the invention；Being construed as any additional limitation is disagreed with spirit of that invention.
Claims (10)
1. the single motor hybrid electric drive system of a kind of vehicle, including engine (1), for the locking of locking engine (1)
Mechanism (2), motor (3), clutch (4) and gearbox (5), which is characterized in that the drive system further includes coaxial arrangement
Sun gear (6), planetary gear (7) and planetary ring gear (8), the planetary gear (7) are located at sun gear (6) and planetary ring gear (8)
Between and engaged respectively with the two, the rotor (31) and the wheel shaft of sun gear (6) of the motor (3) are coaxial and connected, the row
It is fixed on the wheel shaft of star gear (7) planet carrier (9), the planet carrier (9) passes through the wheel shaft of clutch (4) and sun gear (6)
It is connected or separates；The output shaft (1a) of the engine (1) and planetary ring gear (8) are connected, the planet carrier (9) and gearbox
(5) input shaft (51) is connected.
2. a kind of control method of the single motor hybrid electric drive system of vehicle according to claim 1, feature exist
In vehicle ECU can control the drive system and realize following operating mode：Pure electrician's operation mode, the mode that starts to work, idling
Power generation operation mode, engine starting operating mode, power dividing operating mode, energy regenerating operating mode, reverse gear Working mould
Formula and mixing power operation mode；
When engine (1) does not work, and motor (3) works independently, vehicle ECU controls the drive system and is in pure electric Working mould
Under formula state；
Work as stationary vehicle, when engine (1) needs to start, vehicle ECU controls the drive system and is in the mode that starts to work；
Work as stationary vehicle, engine (1) is in idling mode, and gearbox (5) is in neutral gear position, when vehicle is braked；Alternatively, working as
Vehicle driving is to red light crossing, and gearbox (5) is on gear, when vehicle is braked；Vehicle ECU controls the drive system and is in idle
Fast power generation operation mode；
When vehicle encounters traffic congestion, low running speed, SOC value of battery is low, when can not be started to walk with motor (3)；Vehicle ECU controls the drive
Dynamic system is in engine starting operating mode；
When vehicle is in the course of work of starting and normally travel, engine (1) work, gearbox (5) is in shelves state, from
Clutch (4) is in discrete state, and vehicle ECU controls the drive system and is in power dividing operating mode；
When vehicle needs to slow down, when brake, vehicle ECU controls the drive system and is in energy regenerating operating mode；
When Vehicular shift handle is in reverse gear position, vehicle ECU controls the drive system and is in reverse gear operating mode；
When clutch (4) is in bonding state, engine (1) and motor (3) are connected to together, and vehicle ECU controls the drive
Dynamic system, which is in, mixes power operation mode.
3. the control method of the single motor hybrid electric drive system of vehicle according to claim 2, which is characterized in that
Under pure electrician's operation mode, clutch (4) is in discrete state, and the engine (1) is locked up mechanism (2) locking, motor
(3) driving sun gear (6) rotation, planetary ring gear (8) is static, input shaft of the planet carrier (9) power output to gearbox (5)
(51)。
4. the control method of the single motor hybrid electric drive system of vehicle according to claim 2, which is characterized in that
Described to start to work under mode, starting engine (1), there are three types of method, first methods：It unclamps lockable mechanism (2), slams brake
Vehicle, gearbox (5) is on gear, and clutch (4) separation, motor (3) is counter to drag engine (1) to be started；Second method：Pine
Unlocking locking mechanism (2), not on gear, clutch (4) combines gearbox (5), and motor (3) drives engine (1) to be started；
The third method：It unclamps lockable mechanism (2), not on gear, motor (3) first rotates gearbox (5), passes through clutch
(4) cunning, which is rubbed, starts engine (1).
5. the control method of the single motor hybrid electric drive system of vehicle according to claim 2, which is characterized in that
Under the idling power generation operation mode, clutch (4) is in bonding state at this time, and engine (1) can be carried out with motor (3)
Power generation.
6. the control method of the single motor hybrid electric drive system of vehicle according to claim 2, which is characterized in that
Under the engine starting operating mode, clutch (4) is in discrete state, and engine (1) output shaft (1a) drives planet tooth
Circle (8) outputs power to the input shaft (51) of gearbox (5).
7. the control method of the single motor hybrid electric drive system of vehicle according to claim 2, which is characterized in that
Under the power dividing operating mode, when gearbox (5) needs low speed, low torsion, motor (3) can be generated electricity flat to carry out
The torque and revolving speed of weighing apparatus gearbox (5) input shaft (51)；When gearbox (5) needs high speed, high torsion, motor (3) can be driven
Dynamic and engine (1) together drives vehicle.
8. the control method of the single motor hybrid electric drive system of vehicle according to claim 2, which is characterized in that
Under the energy regenerating operating mode, ABS does not work first at this time, drags power generation by the way that motor (3) is counter and carries out vehicle braking drop
Speed.
9. the control method of the single motor hybrid electric drive system of vehicle according to claim 2, which is characterized in that
Under the hybrid electric working mode, not in gear, engine (1) driving motor (3) can directly be sent out gearbox (5)
Electricity；In vehicle driving, engine (1) and motor (3) can drive vehicle simultaneously；When vehicle braking, motor (3) anti-dragged brake can
To generate electricity.
10. the single motor hybrid electric drive system of a kind of vehicle, including engine (1), for the locking of locking engine (1)
Mechanism (2), motor (3), clutch (4) and gearbox (5), which is characterized in that the drive system further includes coaxial arrangement
Sun gear (6), planetary gear (7) and planetary ring gear (8), the planetary gear (7) are located at sun gear (6) and planetary ring gear (8)
Between and engaged respectively with the two, the rotor (31) and the wheel shaft of sun gear (6) of the motor (3) are coaxial and connected, the row
It is fixed on the wheel shaft of star gear (7) planet carrier (9), the planet carrier (9) passes through the wheel shaft of clutch (4) and sun gear (6)
It is connected or separates；The output shaft (1a) of the engine (1) and planet carrier (9) are connected, the planetary ring gear (8) and gearbox
(5) input shaft (51) is connected.
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| CN111976464A (en) * | 2020-08-31 | 2020-11-24 | 东风汽车集团有限公司 | Hybrid vehicle driving system for regulating speed by using motor during gear shifting |
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| CN115009001A (en) * | 2022-04-29 | 2022-09-06 | 东风商用车有限公司 | Single-planet multi-motor series-parallel stepless variable transmission device for commercial vehicle |
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