CN105377653A - Hybrid system and method for controlling same - Google Patents

Hybrid system and method for controlling same Download PDF

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Publication number
CN105377653A
CN105377653A CN201480039700.XA CN201480039700A CN105377653A CN 105377653 A CN105377653 A CN 105377653A CN 201480039700 A CN201480039700 A CN 201480039700A CN 105377653 A CN105377653 A CN 105377653A
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CN
China
Prior art keywords
dynamotor
combustion engine
power system
hybrid power
bent axle
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201480039700.XA
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Chinese (zh)
Inventor
岩田宪仁
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Isuzu Motors Ltd
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Isuzu Motors Ltd
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Filing date
Publication date
Application filed by Isuzu Motors Ltd filed Critical Isuzu Motors Ltd
Publication of CN105377653A publication Critical patent/CN105377653A/en
Pending legal-status Critical Current

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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
    • B60K6/48—Parallel type
    • B60K6/485—Motor-assist type
    • 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
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K1/02—Arrangement or mounting of electrical propulsion units comprising more than one electric motor
    • 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
    • B60K6/387—Actuated clutches, i.e. clutches engaged or disengaged by electric, hydraulic or mechanical actuating means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/50—Architecture of the driveline characterised by arrangement or kind of transmission units
    • B60K6/54—Transmission for changing ratio
    • B60K6/543—Transmission for changing ratio the transmission being a continuously variable transmission
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • 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
    • B60L1/00—Supplying electric power to auxiliary equipment of vehicles
    • B60L1/003—Supplying electric power to auxiliary equipment of vehicles to auxiliary motors, e.g. for pumps, compressors
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
    • B60L15/20—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
    • 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
    • B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
    • B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
    • B60L3/0061—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to electrical machines
    • 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
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/10—Electric propulsion with power supplied within the vehicle using propulsion power supplied by engine-driven generators, e.g. generators driven by combustion engines
    • B60L50/16—Electric propulsion with power supplied within the vehicle using propulsion power supplied by engine-driven generators, e.g. generators driven by combustion engines with provision for separate direct mechanical propulsion
    • 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
    • B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • B60L58/18—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules
    • B60L58/20—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules having different nominal voltages
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B60L7/00—Electrodynamic brake systems for vehicles in general
    • B60L7/10—Dynamic electric regenerative braking
    • B60L7/14—Dynamic electric regenerative braking for vehicles propelled by ac motors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W10/00—Conjoint control of vehicle sub-units of different type or different function
    • B60W10/02—Conjoint control of vehicle sub-units of different type or different function including control of driveline clutches
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W10/00—Conjoint control of vehicle sub-units of different type or different function
    • B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
    • B60W10/06—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of combustion engines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
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    • B60W10/00—Conjoint control of vehicle sub-units of different type or different function
    • B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
    • B60W10/08—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of electric propulsion units, e.g. motors or generators
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W20/00—Control systems specially adapted for hybrid vehicles
    • B60W20/40—Controlling the engagement or disengagement of prime movers, e.g. for transition between prime movers
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units, or advanced driver assistance systems for ensuring comfort, stability and safety or drive control systems for propelling or retarding the vehicle
    • B60W30/18—Propelling the vehicle
    • B60W30/192—Mitigating problems related to power-up or power-down of the driveline, e.g. start-up of a cold engine
    • B60W30/194—Mitigating problems related to power-up or power-down of the driveline, e.g. start-up of a cold engine related to low temperature conditions, e.g. high viscosity of hydraulic fluid
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H9/00—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members
    • F16H9/02—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion
    • F16H9/04—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion using belts, V-belts, or ropes
    • F16H9/12—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion using belts, V-belts, or ropes engaging a pulley built-up out of relatively axially-adjustable parts in which the belt engages the opposite flanges of the pulley directly without interposed belt-supporting members
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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
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    • 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
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • 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
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • 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
    • Y02T10/72—Electric energy management in electromobility

Abstract

A hybrid system (1) having an engine (10) and an electric power generator (21A), wherein a CVT (16) directly coupled to a crankshaft (15) of an engine body (11) is provided to connect the electric power generator (21A), another electric power generator (21B) is connected in series to the electric power generator (21A) via an electric motor clutch (27), the electric motor clutch (27) is disconnected when a value measured by a temperature gauge (42) exceeds a threshold value, and the electric motor clutch (27) is connected when the measured value is equal to or less than the threshold value, after which at least the electric power generator (21A) is used to crank the engine body (11).

Description

Hybrid power system and control method thereof
Technical field
The present invention relates to hybrid power system and control method thereof, more particularly relate to the hybrid power system and control method thereof that combustion engine can be made easily to start.
Background technology
In recent years, from the viewpoint such as oil consumption and environmental cure, such as the JP 2002-238105 publication (patent documentation 1) of Japanese publication is recorded, by the dynamotor be connected with battery, the auxiliary and motor vehicle driven by mixed power carrying out the energy regeneration of vehicle is carried out to the propulsive effort of driving engine and gets most of the attention.
In this motor vehicle driven by mixed power, for the purpose of energy-conservation and save space, propose replacement starter in the past and use dynamotor machine to carry out bent axle starting to driving engine.
But, the friction of engine main body (friction) increases when extremely low temperature etc., in order to reliably fire an engine, need to provide bent axle to start the torque of required size to bent axle.
In view of the above circumstances, require the combustion engine of hybrid power system also can be made easily to start when extremely low temperature.
Prior art document
Patent documentation
Patent documentation 1: Japanese publication JP 2002-238105 publication
Summary of the invention
Invent problem to be solved
Object of the present invention, be to provide a kind of combustion engine can be made easily to start hybrid power system and control method.
Solve the technological means that problem adopts
Hybrid power system of the present invention for realizing above-mentioned purpose has combustion engine and dynamotor, it is characterized in that, stepless speed changing mechanism is arranged with tying in succession to the crankshaft straight of described combustion engine, and the 1st dynamotor is linked to this stepless speed changing mechanism, and, to described 1st dynamotor via electrical motor make and break device attached in series the 2nd dynamotor, be provided with: heat indicator, measure the temperature of described combustion engine; And control unit, described hybrid power system and described electrical motor make and break device are controlled; Described control unit is when creating the start request of described combustion engine, when the measured value of described heat indicator is below the threshold value that presets, described electrical motor make and break device is set to engagement state, uses described 1st dynamotor and described 2nd dynamotor to carry out bent axle starting to described combustion engine.
For realizing in the control method of hybrid power system of the present invention of above-mentioned purpose, this hybrid power system has combustion engine and dynamotor, it is characterized in that, stepless speed changing mechanism is arranged with tying in succession to the crankshaft straight of described combustion engine, and the 1st dynamotor is linked to this stepless speed changing mechanism, and, to described 1st dynamotor attached in series the 2nd dynamotor, when creating the start request of described combustion engine, when the temperature of described combustion engine is below the threshold value that presets, the transmission of power making it possible to carry out described 1st dynamotor and described 2nd dynamotor carries out bent axle starting to described combustion engine.
Invention effect
According to hybrid power system of the present invention and control method thereof, relative to dynamotor via the other dynamotor of electrical motor make and break device attached in series, when engine starting, according to the state of combustion engine, bent axle starting is carried out by 1 or 2 dynamotors, therefore, it is possible to make combustion engine easily start.
Accompanying drawing explanation
Fig. 1 is the figure formed representing the hybrid power system be made up of embodiments of the present invention.
Fig. 2 is the diagram of circuit of the control method that the hybrid power system be made up of embodiments of the present invention is described.
Detailed description of the invention
Below, with reference to accompanying drawing, embodiments of the present invention are described.Fig. 1 shows the hybrid power system be made up of embodiments of the present invention.
The hybrid power system 1 of this embodiment has driving engine (combustion engine) 10 and dynamotor (M/G) 21.In addition, at this, this hybrid power system 1 is described with the situation being equipped on motor vehicle driven by mixed power (HEV: hereinafter referred to as vehicle) 2, but is not limited thereto.
Hybrid power system 1 possesses driving engine 10, exhaust channel 12, turbocharger 13 and is arranged at the waste gas purification apparatus (after-treatment device) 14 of exhaust channel 12.
The bent axle 15 of engine main body 11 is linked CVT (stepless speed changing mechanism: rate-compatible mechanism) 16 is set, and, the 1st dynamotor 21A is linked to this CVT16.In other words, the bent axle 15 of driving engine 10 is directly linked to the 1st belt wheel 16a of CVT16, and the 1st dynamotor 21A is arranged to the 2nd belt wheel 16b of CVT16.And, carry out the transmission of power between bent axle 15 and the 1st dynamotor 21A via the 1st belt wheel 16a and the 2nd belt wheel 16b.
Hang between the 1st belt wheel 16a and the 2nd belt wheel 16b and be wound with endless belt or chain (power transfer member) 16c.From bent axle 15 via the 1st belt wheel 16a, power transfer member 16c and the 2nd belt wheel 16b to the 1st dynamotor 21A transferring power.In addition, on the contrary, from the 1st dynamotor 21A via the 2nd belt wheel 16b, power transfer member 16c and the 1st belt wheel 16a to bent axle 15 transferring power.
In this CVT16, by making the width of the 1st belt wheel 16a and the 2nd belt wheel 16b change respectively, the radial position that belt wheel 16a, 16b connect with power transfer member 16c can be changed.The position connected with power transfer member 16c is if inner side, then belt wheel footpath diminishes, and on the contrary, if outside, then belt wheel footpath becomes large.And, by being undertaken making the expansion of the width of 2 belt wheels 16a, 16b reduce the control reciprocally changed by the hydraulic pressure under electron steering or motor drive mechanism (not shown), power transfer member 16c can be made not lax and speed change can be carried out continuously.
On the 1st dynamotor 21A as a part for electric system 20, be connected in series the 2nd dynamotor 21B via dynamotor power-transfer clutch 27.Wherein, the propulsive effort that 1st dynamotor accepts driving engine 10 as electrical generator all the time generates electricity, the propulsive effort that 2nd dynamotor accepts driving engine 10 when dynamotor power-transfer clutch 27 becomes engagement state as electrical generator generates electricity, or the regeneration power such as braking force based on vehicle 2 produces and carries out regenerative electric power.Or, drive as motor, the bent axle 15 of its propulsive effort to driving engine 10 transmitted, the propulsive effort of driving engine 10 is assisted.
In addition, the electric power that generating obtains, via wiring 22, is charged to the 1st battery (charger: B1) 24A by changer (INV) 23 after being converted.In addition, when the 1st dynamotor 21A is driven, the electric power charged is carried out the backward 1st dynamotor 21A of conversion by changer 23 supply in the 1st battery 24A.
In the formation of Fig. 1, also dc-dc (CON) the 25 and the 2nd battery (B2) 24B is arranged in series to the 1st battery 24A, by the such as general 12V of the 1st battery 24A or the high-tension electric power of more than 24V, after being depressurized to such as 12V by dc-dc 25, charge to the 2nd battery 24B.From the 2nd battery 24B to supply electric power such as the cooling fan 26A of subsidiary engine, cooling water pump 26B, lubricating pump 26C.
In the vehicle 2 being equipped with hybrid power system 1, the power of driving engine 10 is passed to the change-speed box (transmission) 31 of power-transmission system 30.And then, be passed to movement device (differential gear) 33 from change-speed box 31 via transmission shaft (propellershaft) 32, be passed to wheel 35 from movement device 33 via axle drive shaft (driveshaft) 34.Thus, the power of driving engine 10 is passed to wheel 35, and vehicle 2 travels.In addition, according to the lift-launch mode of driving engine 10, the bang path of power-transmission system also can be different.
On the other hand, the power of the 1st dynamotor 21A and the 2nd dynamotor 21B is, the electric power charged in 1st battery 24A is supplied to the 1st dynamotor 21A and the 2nd dynamotor 21B via changer 23, by this electric power, the 1st dynamotor 21A and the 2nd dynamotor 21B is made to drive and produce power.The power of the 1st dynamotor 21A and the 2nd dynamotor 21B is passed to bent axle 15 via CVT16, transmits in the power transfer path of driving engine 10, is passed to wheel 35.
Thus, the power of the 1st dynamotor 21A and the 2nd dynamotor 21B and driving engine 10 is all passed to wheel 35, and vehicle 2 travels.In addition, when regenerating, according to contrary path, the regeneration power of wheel 35 or the regeneration power of driving engine 10 are passed to the 1st dynamotor 21A and the 2nd dynamotor 21B, can be generated electricity by the 1st dynamotor 21A and the 2nd dynamotor 21B.
In addition, be provided with hybrid power system control setup 41, while monitor the state of the charging capacity (SOC) of operative condition, the 1st battery 24A and the 2nd battery 24B of the rotating speed Na of operative condition, the 1st dynamotor 21A and the 2nd dynamotor 21B of the rotating speed Ne or load Q etc. of driving engine 10 etc., CVT16, the 1st dynamotor 21A and the 2nd dynamotor 21B, changer 23, dc-dc 25 etc. are controlled.This hybrid power system control setup 41 is assembled in the Integral control device 40 controlled driving engine 10, vehicle 2 usually.This Integral control device 40, in the control of driving engine 10, controls cooling fan 26A, the cooling water pump 26B and lubricating pump 26C etc. of cylinder combustion burning, turbocharger 13, waste gas purification apparatus 14 and subsidiary engine.
And, be provided with the heat indicator 42 that the temperature of engine main body 11 is measured in vehicle 2.As the temperature of the engine main body 11 that this heat indicator 42 measures, exemplify the water temperature etc. of driving engine cooling water expansion tank.
Based on Fig. 2, the control method be equipped with in the vehicle 2 of such hybrid power system 1 is described.
Hybrid power system control setup 41 determines whether to have issued start request when idle stop (also comprise restart request) (S10) of engine main body 11, when have issued start request, the measured value T (S20) of input temp meter 42, judges whether measured value T exceedes the threshold value (S30) preset.As this threshold value, exemplify the temperature value of the scope of-20 ~ 10 DEG C, preferred exemplary goes out 0 DEG C.
And, when measured value T exceedes threshold value, dynamotor power-transfer clutch 27 is set to dialysis state (S40), only supply electric power to the 1st dynamotor 21A from the 1st battery 24A and make the 1st dynamotor 21A rotary actuation (S50), force bent axle 15 to rotate via CVT16 and bent axle starting (S60) is carried out to engine main body 11.
On the other hand, when measured value T is below threshold value, dynamotor power-transfer clutch 27 is set to engagement state (S70), supply electric power from the 1st battery 24A to the 1st dynamotor 21A and the 2nd dynamotor 21B and make both rotary actuations (S80), force bent axle 15 to rotate via CVT16 and bent axle starting (S60) is carried out to engine main body 11.
By carrying out such control, the friction of engine main body 11 increases when extremely low temperature etc., by 2 dynamotors 21A, 21B, bent axle 15 being rotated and carrying out bent axle starting, therefore, it is possible to make engine main body 11 easily start.
The explanation of Reference numeral
1 hybrid power system
2 motor vehicle driven by mixed powers
10 driving engines
11 engine main bodies
15 bent axles
16CVT
16a the 1st belt wheel
16b the 2nd belt wheel
17 bent axle make and break device
21A the 1st dynamotor
21B the 2nd dynamotor
27 dynamotor power-transfer clutchs
41 hybrid power system control setups
42 heat indicators

Claims (4)

1. a hybrid power system, has combustion engine and dynamotor, and the feature of this hybrid power system is,
Stepless speed changing mechanism is arranged with tying in succession to the crankshaft straight of described combustion engine, and the 1st dynamotor is linked to this stepless speed changing mechanism, and, to described 1st dynamotor via electrical motor make and break device attached in series the 2nd dynamotor,
Be provided with heat indicator and control unit, this heat indicator measures the temperature of described combustion engine, and this control unit controls described hybrid power system and described electrical motor make and break device;
Described control unit is when creating the start request of described combustion engine, when the measured value of described heat indicator is below the threshold value that presets, described electrical motor make and break device is set to engagement state, uses described 1st dynamotor and described 2nd dynamotor to carry out bent axle starting to described combustion engine.
2. hybrid power system as claimed in claim 1,
Described electrical motor make and break device, when creating the start request of described combustion engine, when the measured value of described heat indicator exceedes described threshold value, is set to dialysis state by described control setup.
3. a control method for hybrid power system, this hybrid power system has combustion engine and dynamotor, and the feature of the control method of this hybrid power system is,
Stepless speed changing mechanism is arranged with tying in succession to the crankshaft straight of described combustion engine, and the 1st dynamotor is linked to this stepless speed changing mechanism, and, to described 1st dynamotor attached in series the 2nd dynamotor,
When creating the start request of described combustion engine, when the temperature of described combustion engine is below the threshold value that presets, make it possible to the transmission of power carrying out described 1st dynamotor and described 2nd dynamotor, bent axle starting is carried out to described combustion engine.
4. the control method of hybrid power system as claimed in claim 3,
When the temperature of described combustion engine exceedes described threshold value, by the power cut of described 1st dynamotor and described 2nd dynamotor, bent axle starting is carried out to described combustion engine.
CN201480039700.XA 2013-08-09 2014-08-06 Hybrid system and method for controlling same Pending CN105377653A (en)

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