KR20210095152A - How to start an internal combustion engine of a hybrid vehicle - Google Patents

How to start an internal combustion engine of a hybrid vehicle Download PDF

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Publication number
KR20210095152A
KR20210095152A KR1020217016123A KR20217016123A KR20210095152A KR 20210095152 A KR20210095152 A KR 20210095152A KR 1020217016123 A KR1020217016123 A KR 1020217016123A KR 20217016123 A KR20217016123 A KR 20217016123A KR 20210095152 A KR20210095152 A KR 20210095152A
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KR
South Korea
Prior art keywords
internal combustion
combustion engine
electric motor
hybrid
hybrid vehicle
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KR1020217016123A
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Korean (ko)
Inventor
티모 엔데르스
랄프 만슈페르거
Original Assignee
섀플러 테크놀로지스 아게 운트 코. 카게
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Publication of KR20210095152A publication Critical patent/KR20210095152A/en

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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
    • 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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    • 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
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    • B60K6/26—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the motors or the generators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • 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
    • 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
    • B60W10/08—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
    • 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
    • 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
    • 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
    • B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
    • B60W50/02—Ensuring safety in case of control system failures, e.g. by diagnosing, circumventing or fixing failures
    • B60W50/029—Adapting to failures or work around with other constraints, e.g. circumvention by avoiding use of failed parts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N11/00—Starting of engines by means of electric motors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N5/00—Starting apparatus having mechanical power storage
    • F02N5/04—Starting apparatus having mechanical power storage of inertia 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
    • 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
    • B60K2006/266—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 with two coaxial motors or generators
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • 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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    • 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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    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
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    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Automation & Control Theory (AREA)
  • General Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Hybrid Electric Vehicles (AREA)

Abstract

본 발명은 하이브리드 차량의 내연기관을 시동하기 위한 방법에 관한 것으로, 이러한 방법에서 종동부측에 배치되는 제1 전기모터(4), 내연기관측에 배치되는 제2 전기모터(6) 및 내연기관(2)은 하이브리드 분리 클러치(5)를 통하여 상기 하이브리드 차량의 종동부(3)와 연결되거나, 상기 하이브리드 차량의 상기 종동부로부터 분리되고, 이때 상기 내연기관(2) 및/또는 상기 제1 전기모터(4) 및/또는 상기 제2 전기모터(6)에 의하여 출력되는 토크는 상기 하이브리드 차량의 구동휠들(3)에 전달된다. 내연기관의 확실한 시동이 어느 시점이든 가능한 본 방법에서, 상기 제1 전기모터(4)를 이용한 상기 하이브리드 차량의 전기 주행 중에 슬립되는 상기 하이브리드 분리 클러치(5)는 미발화된 내연기관(2)을 상기 내연기관(2)의 최초 점화까지 가속화한다.The present invention relates to a method for starting an internal combustion engine of a hybrid vehicle, in which method a first electric motor (4) arranged on the driven side side, a second electric motor (6) arranged on the internal combustion engine side and the internal combustion engine (2) is connected to or disconnected from the follower 3 of the hybrid vehicle via a hybrid disconnect clutch 5, wherein the internal combustion engine 2 and/or the first electric The torque output by the motor 4 and/or the second electric motor 6 is transmitted to the drive wheels 3 of the hybrid vehicle. In the present method, in which reliable starting of the internal combustion engine is possible at any point in time, the hybrid separation clutch 5, which slips during the electric running of the hybrid vehicle using the first electric motor 4, removes the unignited internal combustion engine 2 . Accelerate to the initial ignition of the internal combustion engine 2 .

Description

하이브리드 차량의 내연기관 시동 방법How to start an internal combustion engine of a hybrid vehicle

본 발명은 하이브리드 차량의 내연기관을 시동시키기 위한 방법에 관한 것으로, 이러한 방법에서 종동측에 배치되는 제1 전기모터, 내연기관측에 배치되는 제2 전기모터 및 내연기관은 하이브리드 분리 클러치를 통하여 하이브리드 차량의 종동부와 연결되거나 하이브리드 차량의 종동부로부터 분리되고, 내연기관 및/또는 제1 전기모터 및/또는 제2 전기모터에 의하여 출력되는 토크는 하이브리드 차량의 구동휠들에 전달된다.The present invention relates to a method for starting an internal combustion engine of a hybrid vehicle, in which a first electric motor arranged on the driven side, a second electric motor arranged on the internal combustion engine side and the internal combustion engine are hybridized via a hybrid separation clutch Torque connected to or disconnected from the follower of the vehicle and output by the internal combustion engine and/or the first electric motor and/or the second electric motor is transmitted to drive wheels of the hybrid vehicle.

본 출원인의 미공개 독일 특허출원 10 2018 126 881.5로부터 하이브리드 차량의 구동 트레인을 위한 하이브리드 모듈이 공지되어 있다. 하이브리드 모듈은 차량휠들에 의해 형성되는 종동부와 내연기관 사이에 배치된다. 하이브리드 모듈은 제1 전기모터를 포함하고, 제1 전기모터는 제1 구동 토크를 제공할 수 있고 내연기관과 연결되며, 내연기관은 추가적 구동 토크를 제공할 수 있다. 이때 내연기관의 크랭크축은 제1 전기모터의 로터와 회전 가능하게 연결될 수 있다. 제1 전기모터 및 내연기관은 함께 분리 클러치를 통하여 종동부와 연결될 수 있다. 추가 구동 모멘트를 제공하는 제2 전기모터는 클러치 출력부와 회전 안정적으로 연결된다.A hybrid module for a drive train of a hybrid vehicle is known from the applicant's unpublished German patent application 10 2018 126 881.5. The hybrid module is disposed between the internal combustion engine and the follower formed by the vehicle wheels. The hybrid module includes a first electric motor, the first electric motor being capable of providing a first driving torque and connected to the internal combustion engine, the internal combustion engine being capable of providing the additional driving torque. In this case, the crankshaft of the internal combustion engine may be rotatably connected to the rotor of the first electric motor. The first electric motor and the internal combustion engine together can be connected to the follower via a separation clutch. A second electric motor, which provides an additional driving moment, is rotationally stably connected to the clutch output.

구동부의 정상 구동 시, 내연기관은 제2 전기모터에 의해 시동된다. 이러한 제2 전기모터 또는 제2 전기모터의 전력전자장치에 결함이 있을 시, 내연기관은 더이상 시동될 수 없다.During normal operation of the drive unit, the internal combustion engine is started by the second electric motor. In the event of a fault in this second electric motor or in the power electronics of the second electric motor, the internal combustion engine can no longer be started.

본 발명의 기초를 이루는 과제는 내연기관을 시동시키기 위해 어느 상황에서도 적용 가능한 방법을 제공하는 것이다.The object underlying the present invention is to provide a method applicable in any situation for starting an internal combustion engine.

본 발명에 따르면, 이러한 과제는, 제1 전기모터를 이용하여 하이브리드 차량의 전기 주행 중에 슬립되는 하이브리드 분리 클러치가 미발화된 내연기관을 내연기관의 최초 점화시까지 가속화함으로써 해결된다. 이를 통해 어느 시점이든 내연기관이 확실하게 시동될 수 있고, 특히 제2 전기 모터 또는 제2 전기모터의 제어 전자장치에 결함이 있을 시에도, 항상 시동될 수 있다. 내연기관이 이와 같이 시동됨으로써, 주행 편의성에 미치는 영향이 감소된다.According to the present invention, this problem is solved by accelerating an internal combustion engine in which a hybrid separation clutch slipping during electric driving of a hybrid vehicle using a first electric motor is not ignited until the first ignition of the internal combustion engine. This ensures that the internal combustion engine can be started reliably at any point in time, in particular always in the event of a fault in the second electric motor or in the control electronics of the second electric motor. By starting the internal combustion engine in this way, the influence on driving comfort is reduced.

유리하게는, 제1 전기모터를 이용하여 하이브리드 차량의 전기 주행 중에 하이브리드 분리 클러치는 열림 상태로부터 닫힘 방향으로 이동되고, 이때 하이브리드 분리 클러치는 내연기관의 최초 점화 검출 후에 다시 열린다. 그 결과, 내연기관의 시동에 짧은 시간만이 소요되고 하이브리드 분리 클러치의 열림 시 제1 전기모터를 이용한 전기 주행은 다시 계속될 수 있다.Advantageously, during electric driving of the hybrid vehicle using the first electric motor, the hybrid disconnect clutch is moved from the open state to the closed direction, wherein the hybrid disconnect clutch is opened again after initial ignition detection of the internal combustion engine. As a result, it takes only a short time to start the internal combustion engine and the electric driving using the first electric motor can be continued again when the hybrid separation clutch is opened.

일 형성예에서, 내연기관은 점화를 검출한 후 공회전수 또는 제1 전기모터의 회전수까지 자동으로 가속화된다. 이를 통해 내연기관을 가속화하기 위해 외부 힘을 추가로 도입하는 것이 생략된다. 내연기관은 제1 전기모터를 이용한 전기주행 중에 하이브리드 차량의 추가 구동을 위해 요구되는 회전수를 자동으로 설정할 수 있다.In one configuration, the internal combustion engine is automatically accelerated to the idle speed or speed of the first electric motor after detecting ignition. This eliminates the introduction of additional external forces to accelerate the internal combustion engine. The internal combustion engine may automatically set the rotation speed required for additional driving of the hybrid vehicle during electric driving using the first electric motor.

일 변형예에서, 제1 전기모터 및 내연기관이 동일 회전수를 포함할 시, 하이브리드 분리 클러치는 닫힌다. 이러한 동일 회전수에서, 하이브리드 차량의 부스트 모드가 가능한데, 부스트 모드에서는 내연기관뿐만 아니라 제1 전기모터도 종동부에 토크를 전달한다.In one variant, the hybrid separation clutch is closed when the first electric motor and the internal combustion engine have the same number of revolutions. At this same rotational speed, a boost mode of the hybrid vehicle is possible, in which not only the internal combustion engine but also the first electric motor transmits torque to the follower.

일 실시 형태에서, 내연기관과 고정적으로 연결되는 제2 전기모터는 작동되지 않은 상태로 유지된다. 이를 통해 제2 전기모터로부터 추가 토크가 가해지지 않아서, 내연기관은 목적한 바에 맞게 제1 전기모터에 의해 시동될 수 있다.In one embodiment, the second electric motor fixedly connected to the internal combustion engine is kept de-energized. This ensures that no additional torque is applied from the second electric motor, so that the internal combustion engine can be started by the first electric motor as desired.

일 발전예에서, 제1 전기모터에 의한 내연기관의 시동 시 제2 전기모터는 함께 견인된다. 제1 전기모터는 이에 상응하는 토크를 가해야 하는데, 이러한 토크를 이용하여 제2 전기모터의 견인 모멘트가 극복됨으로써, 내연기관이 목적한 바에 맞게 시동될 수 있다.In one development, the second electric motor is pulled together when the internal combustion engine is started by the first electric motor. The first electric motor must apply a corresponding torque, which is used to overcome the traction moment of the second electric motor, so that the internal combustion engine can be started as desired.

본 발명은 다수의 실시 형태를 허용한다. 그중 일 실시 형태는 도면부에 도시된 도면들을 참고로 더 상세하게 설명된다.The present invention is susceptible to many embodiments. One embodiment among them will be described in more detail with reference to the drawings shown in the drawings.

도면부에서:
도 1은 본 발명에 따른 방법을 수행하기 위한 하이브리드 구동 트레인의 일 실시예를 도시하고,
도 2는 본 발명에 따른 방법의 일 실시예를 도시한다.In the drawing department:
1 shows an embodiment of a hybrid drive train for carrying out a method according to the invention;
2 shows an embodiment of a method according to the invention.

도 1에는 차량의 하이브리드 구동 트레인의 일 실시예가 도시되어 있다. 이러한 하이브리드 구동 트레인(1)에서 차량휠들에 의해 도시되어 있는 종동부(3)와 내연기관(2) 사이에 제1 전기모터(4)가 배치되고, 제1 전기모터는 종동측에 배치되며 제1 구동 토크를 제공할 수 있다. 하이브리드 분리 클러치(5)를 통하여 제1 전기모터(4)는 제2 전기모터(6)와 결합되고, 제2 전기모터는 다시 내연기관(2)과 고정적으로 연결된다. 내연기관(2)의 크랭크축(7)은 제2 전기모터(6)의 로터(8)와 회전안정적으로 연결된다. 제2 전기모터(6) 및 내연기관(2)은 함께 종동부(3)와 연결될 수 있다. 제2 전기모터(6) 및 내연기관(2)은 하이브리드 분리 클러치(5)의 클러치 입력부(9)와 연결된다. 하이브리드 분리 클러치(5)의 닫힘 시, 제2 전기모터(6)는 제2 구동 토크를, 내연기관(2)은 제3 구동 토크를 종동부(3)에 함께 전달할 수 있다.1 shows an embodiment of a hybrid drivetrain of a vehicle. In this hybrid drivetrain 1 a first electric motor 4 is arranged between the internal combustion engine 2 and the driven part 3 shown by vehicle wheels, the first electric motor being arranged on the driven side, A first driving torque may be provided. The first electric motor 4 is coupled to the second electric motor 6 via the hybrid separation clutch 5 , which in turn is fixedly connected to the internal combustion engine 2 . The crankshaft 7 of the internal combustion engine 2 is rotationally stably connected to the rotor 8 of the second electric motor 6 . The second electric motor 6 and the internal combustion engine 2 can be connected together with the follower 3 . The second electric motor 6 and the internal combustion engine 2 are connected with the clutch input 9 of the hybrid separation clutch 5 . When the hybrid separation clutch 5 is closed, the second electric motor 6 may transmit a second driving torque and the internal combustion engine 2 may transmit a third driving torque to the follower 3 together.

제1 구동 모멘트를 제공하는 제1 전기모터(4)는 하이브리드 분리 클러치(5)의 클러치 출력부(10)와 연결된다. 제1 전기모터(4)는 로터(11)를 포함하고, 로터는 클러치 출력부(10)와 회전안정적으로 연결되며 종동부(3)와도 연결된다.A first electric motor 4 providing a first drive moment is connected with the clutch output 10 of the hybrid separation clutch 5 . The first electric motor 4 includes a rotor 11 , and the rotor is rotationally stably connected to the clutch output unit 10 and is also connected to the driven unit 3 .

제1 전기모터(4), 제2 전기모터(6) 및 내연기관(2)은 직렬로 접속되고, 하이브리드 분리 클러치(5)는 제1 전기모터(4)와 내연기관(2) 사이에 그리고 제1 전기모터(4)와 제2 전기모터(6) 사이에서 효과적으로 배치된다. 하이브리드 분리 클러치(5)가 닫혀 있을 시, 제1 전기모터(4)는 제1 구동 토크를, 제2 전기모터(6)는 제2 구동 토크를 종동부(3)에 출력할 수 있다. 내연기관(2)이 제3 구동 토크를 제공하고, 하이브리드 분리 클러치(5)의 닫힘 시 마찬가지로 종동부(3)에 출력하는지는 내연기관(2)에 어떤 회전수가 인가되는지에 따라 좌우된다.The first electric motor 4 , the second electric motor 6 and the internal combustion engine 2 are connected in series, and the hybrid separation clutch 5 is connected between the first electric motor 4 and the internal combustion engine 2 and It is effectively arranged between the first electric motor 4 and the second electric motor 6 . When the hybrid separation clutch 5 is closed, the first electric motor 4 may output a first driving torque and the second electric motor 6 may output a second driving torque to the follower 3 . Whether the internal combustion engine 2 provides the third drive torque and outputs it to the follower 3 likewise when the hybrid separation clutch 5 is closed depends on what rotational speed is applied to the internal combustion engine 2 .

적어도 제2 전기모터(6)가 제2 구동 토크를 제공하면, 내연기관(2)은 제1 회전수로 회전한다. 제1 회전수가 내연기관(2)의 공회전수에 미달할 시, 내연기관(2)은 독립적으로작동하고 함께 견인된다. 이때 내연기관(2)의 견인 모멘트가 존재하고, 이러한 견인모멘트가 제2 구동 토크에 대항한다.When at least the second electric motor 6 provides the second driving torque, the internal combustion engine 2 rotates at the first rotational speed. When the first rotation speed is less than the idle speed of the internal combustion engine 2, the internal combustion engine 2 operates independently and is towed together. At this time, a traction moment of the internal combustion engine 2 is present, and this traction moment opposes the second driving torque.

제1 회전수가 내연기관(2)의 공회전수에 부합하거나 이를 초과할 시, 내연기관(2)은 활성으로 구동되고 제3 구동 토크를 제공된다. 제3 구동 토크는 제1 구동 토크와 합산되고, 제2 전기 모터(6)도 구동될 시, 제2 구동 토크와도 합산되어 종합 구동 토크에 이르고, 이러한 종합 구동 토크는 하이브리드 분리 클러치(5)의 닫힘 시 하이브리드 차량의 구동을 위해 구동부(3)에 인가된다.When the first rotation speed matches or exceeds the idle speed of the internal combustion engine 2 , the internal combustion engine 2 is actively driven and a third driving torque is provided. The third driving torque is summed with the first driving torque, and when the second electric motor 6 is also driven, it is also added with the second driving torque to reach the total driving torque, and this total driving torque is the hybrid separation clutch 5 . is applied to the driving unit 3 for driving the hybrid vehicle when the .

도 2에는 본 발명에 따른 방법의 일 실시예가 도시되어 있는데, 이러한 방법은 내연기관(2)의 시동을 위해 제2 전기모터(6)는 제외되는 경우에 적용된다. 도 2a에 도시된 그래프에는 시간(t)에 따라 제1 전기모터(4)의 회전수(nE1) 및 내연기관(2)의 회전수(nV)가 도시되어 있다. 이에 비해 시간(t)에 따른 클러치 위치(s)는 도 2b에 도시되어 있다. 제1 전기모터(4)를 이용한 전기 주행 중에, 하이브리드 분리 클러치(5)는 열려 있다. 하이브리드 차량은 오로지 제1 전기모터(4)에 의해서만 구동된다. 이때 제1 전기모터(4)는 회전수(nE1)를 포함한다. 제2 전기모터(6)에 결함이 있을 시 내연기관(2)을 시동시키기 위해, 하이브리드 분리 클러치(5)는 시점(t1)에 닫힘 방향으로 이동되는데, 도 2a의 시점(t2)에 내연기관(2)의 최초 점화가 검출될 때까지 이동한다. 이후, 하이브리드 분리 클러치(5)는 다시 열림으로써, 제1 전기모터(4)를 이용한 전기 주행이 계속될 수 있다.An embodiment of the method according to the invention is shown in FIG. 2 , which is applied when the second electric motor 6 is excluded for starting the internal combustion engine 2 . The graph shown in FIG. 2A shows the number of revolutions n E1 of the first electric motor 4 and the number of revolutions n V of the internal combustion engine 2 as a function of time t. In comparison, the clutch position s as a function of time t is shown in Fig. 2b. During electric travel with the first electric motor 4 , the hybrid disconnect clutch 5 is open. The hybrid vehicle is driven exclusively by the first electric motor 4 . At this time, the first electric motor 4 includes a number of revolutions (n E1 ). In order to start the internal combustion engine 2 in the event of a fault in the second electric motor 6 , the hybrid separation clutch 5 is moved in the closing direction at time t1 , at time t2 in FIG. 2A . Move until the initial ignition of (2) is detected. Thereafter, the hybrid separation clutch 5 is opened again, so that electric driving using the first electric motor 4 can be continued.

그 사이에 내연기관(2)의 회전수(nV)는 제1 전기모터에 의해 공회전수에 도달할 때까지 자동으로 증가된다. 내연기관(2)은 이제 고유 힘으로부터 가속화될 수 있다. 제1 전기모터(4)의 회전수(nE1) 및 내연기관(2)의 회전수(nV)가 동일할 시, 시점(t3)에서 하이브리드 분리 클러치(5)는 닫힌다. 따라서 하이브리드 차량은 제1 전기모터(4) 및 내연기관(2)에 의해 구동된다.In the meantime, the rotation speed n V of the internal combustion engine 2 is automatically increased by the first electric motor until the idle speed is reached. The internal combustion engine 2 can now be accelerated from intrinsic forces. When the rotation speed n E1 of the first electric motor 4 and the rotation speed n V of the internal combustion engine 2 are the same, the hybrid separation clutch 5 is closed at a time t3 . The hybrid vehicle is thus driven by the first electric motor 4 and the internal combustion engine 2 .

1 하이브리드 구동 트레인
2 내연기관
3 종동부
4 제1 전기모터
5 하이브리드 분리 클러치
6 제2 전기모터
7 크랭크 축
8 제2 전기모터의 로터
9 클러치 입력부
10 클러치 출력부
11 제1 전기모터의 로터1 Hybrid drivetrain
2 internal combustion engine
3 follower
4 first electric motor
5 Hybrid Separation Clutch
6 Second electric motor
7 crankshaft
8 Rotor of the second electric motor
9 Clutch input
10 Clutch output
11 Rotor of the first electric motor

Claims (6)

하이브리드 차량의 내연기관을 시동하기 위한 방법에 있어서, 이러한 방법에서 종동부측에 배치되는 제1 전기모터(4), 내연기관측에 배치되는 제2 전기모터(6) 및 내연기관(2)은 하이브리드 분리 클러치(5)를 통하여 상기 하이브리드 차량의 종동부(3)와 연결되거나, 상기 하이브리드 차량의 상기 종동부로부터 분리되며, 상기 내연기관(2) 및/또는 상기 제1 전기모터(4) 및/또는 상기 제2 전기모터(6)에 의하여 출력되는 토크는 상기 하이브리드 차량의 구동휠들(3)에 전달되고, 상기 제1 전기모터(4)를 이용한 상기 하이브리드 차량의 전기 주행 중에 슬립되는 상기 하이브리드 분리 클러치(5)는 미발화된 내연기관(2)을 상기 내연기관(2)의 최초 점화까지 가속화하는 것을 특징으로 하는 방법.A method for starting an internal combustion engine of a hybrid vehicle, wherein in this method a first electric motor (4) arranged on the driven side side, a second electric motor (6) arranged on the internal combustion engine side and the internal combustion engine (2) are connected to or disconnected from the follower 3 of the hybrid vehicle via a hybrid separation clutch 5, the internal combustion engine 2 and/or the first electric motor 4 and / or the torque output by the second electric motor 6 is transmitted to the drive wheels 3 of the hybrid vehicle, and the torque slips during electric driving of the hybrid vehicle using the first electric motor 4 . Method, characterized in that the hybrid disconnect clutch (5) accelerates the unignited internal combustion engine (2) up to the initial ignition of the internal combustion engine (2). 제1항에 있어서, 상기 제1 전기모터(4)를 이용한 상기 하이브리드 차량의 상기 전기 주행 중에 상기 하이브리드 분리 클러치(5)는 열린 상태로부터 닫힘 방향으로 이동되고, 상기 하이브리드 분리 클러치(5)는 상기 내연기관(2)의 상기 최초 점화 검출 후 다시 열리는 것을 특징으로 하는 방법.2. The hybrid separation clutch (5) according to claim 1, wherein during the electric driving of the hybrid vehicle using the first electric motor (4), the hybrid separation clutch (5) is moved from an open state to a closed direction, and the hybrid separation clutch (5) is Method, characterized in that the internal combustion engine (2) opens again after detection of said initial ignition. 제1항 또는 제2항에 있어서, 상기 내연기관(2)은 상기 최초 점화의 검출 후에 공회전수 또는 상기 제1 전기모터(4)의 회전수(nE1)까지 자동으로 가속화되는 것을 특징으로 하는 방법.3. The engine according to claim 1 or 2, characterized in that the internal combustion engine (2) is automatically accelerated after detection of the initial ignition to an idle speed or a speed (n E1 ) of the first electric motor (4). method. 제1항 내지 제3항 중 어느 한 항에 있어서, 상기 제1 전기모터(4) 및 상기 내연기관(2)이 동일 회전수(nE1, nV)를 가질 시, 상기 하이브리드 분리 클러치는 닫히는 것을 특징으로 하는 방법.4. The hybrid separation clutch according to any one of claims 1 to 3, wherein when the first electric motor (4) and the internal combustion engine (2) have the same number of revolutions (n E1 , n V ), the hybrid separation clutch is closed. A method characterized in that. 제1항 내지 제4항 중 적어도 어느 한 항에 있어서, 상기 내연기관(2)과 고정적으로 연결되는 상기 제2 전기모터(6)는 작동되지 않은 상태로 유지되는 것을 특징으로 하는 방법.5. The method according to at least one of the preceding claims, characterized in that the second electric motor (6) in fixed connection with the internal combustion engine (2) is kept de-energized. 제1항 내지 제5항 중 적어도 어느 한 항에 있어서, 상기 제2 전기모터(6)는 상기 제1 전기모터(4)에 의한 상기 내연기관(2)의 시동 시 함께 견인되는 것을 특징으로 하는 방법.6. The method according to any one of the preceding claims, characterized in that the second electric motor (6) is towed together upon starting of the internal combustion engine (2) by the first electric motor (4). method.
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