KR100482577B1 - Transmission of hybrid electric vehicle - Google Patents

Transmission of hybrid electric vehicle Download PDF

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Publication number
KR100482577B1
KR100482577B1 KR10-2002-0062928A KR20020062928A KR100482577B1 KR 100482577 B1 KR100482577 B1 KR 100482577B1 KR 20020062928 A KR20020062928 A KR 20020062928A KR 100482577 B1 KR100482577 B1 KR 100482577B1
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South Korea
Prior art keywords
transmission
clutch
shift
engine
electric vehicle
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KR10-2002-0062928A
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Korean (ko)
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KR20040033701A (en
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이충섭
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현대자동차주식회사
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Publication of KR20040033701A publication Critical patent/KR20040033701A/en
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Publication of KR100482577B1 publication Critical patent/KR100482577B1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • 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
    • B60L15/2054—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 by controlling transmissions or clutches
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
    • B60K6/26—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the motors or the generators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
    • B60K6/36—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/22—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
    • 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
    • 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
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2200/00—Type of vehicle
    • B60Y2200/90—Vehicles comprising electric prime movers
    • B60Y2200/91—Electric vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2200/00—Type of vehicle
    • B60Y2200/90—Vehicles comprising electric prime movers
    • B60Y2200/92—Hybrid vehicles

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Power Engineering (AREA)
  • Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
  • Control Of Transmission Device (AREA)

Abstract

본 발명은 아이들 스톱(Idle-Stop) 기능을 구현하기 위하여 엔진 정지 후 출발시에도 큰 충격 없이 출발 및 변속이 가능한 하이브리드 전기 차량의 변속장치에 관한 것으로, 변속장치의 입력축에 다판 습식 클러치로 설치되어 드라이빙 플레이트를 통해 전달되는 엔진의 동력을 단속하는 변속 클러치와; 상기 변속장치의 출력축에 설치되어 변속장치의 변속 완료후 차량을 발진시키는 발진 클러치와; 상기 변속장치의 출력축에 설치되며, 상기 변속 클러치의 변속 동작에 연동되어 엔진 동력이 차단된 상태에서 각각의 변속단에 해당되는 변속 동작을 수행하는 동기장치와; 모터에 의해 구동되어 유압을 형성할 수 있도록 설치되어, 상기 하이브리드 전기 차량의 아이들 스톱(Idle Stop)시에도 엔진 정지와 무관하게 구동하여 아이들 스톱 모드 탈출시 변속 쇼크를 없앨 수 있도록 한 외장형의 전동 오일 펌프와; 상기 변속장치를 구성하는 각각의 클러치 및 동기장치와 전동 오일 펌프의 동작을 제어하는 유압제어회로를 포함하여 구성한다.The present invention relates to a transmission of a hybrid electric vehicle capable of starting and shifting without significant impact even when starting after engine stop in order to implement an idle-stop function, and is installed as a multi-plate wet clutch on an input shaft of the transmission. A shift clutch for regulating the power of the engine transmitted through the driving plate; An oscillating clutch installed on an output shaft of the transmission to start the vehicle after the transmission of the transmission is completed; A synchronization device installed on an output shaft of the transmission device and configured to perform a shift operation corresponding to each shift stage in a state in which engine power is cut off in association with a shift operation of the shift clutch; An external type electric oil that is driven by a motor so as to generate hydraulic pressure and driven without an engine stop even when idle of the hybrid electric vehicle, thereby eliminating shift shock when exiting the idle stop mode. A pump; It comprises a hydraulic control circuit for controlling the operation of each clutch and synchronous device and the electric oil pump constituting the transmission.

Description

하이브리드 전기 차량의 변속장치{TRANSMISSION OF HYBRID ELECTRIC VEHICLE}Transmission of hybrid electric vehicle {TRANSMISSION OF HYBRID ELECTRIC VEHICLE}

본 발명은 하이브리드 전기 차량에 관한 것으로서, 특히 하이브리드 전기 차량의 변속장치에 관한 것이다.The present invention relates to a hybrid electric vehicle, and more particularly to a transmission of a hybrid electric vehicle.

통상적으로, 자동 변속 차량이 아닌 수동 변속 차량에 사용되는 수동 변속기는 단판 건식 클러치(Single Dry Clutch)를 사용한다.Typically, a manual transmission used in a manual transmission vehicle other than an automatic transmission vehicle uses a single dry clutch.

위와 같은 방법을 사용할 때 종래의 수동 변속기에 사용되는 단판 건식 클러치를 하이브리드 전기 차량용 변속기에 사용하게 되면, 단판 건식 클러치 구조에 따른 변속시 변속 쇼크의 문제점이 있다.When the single plate dry clutch used in the conventional manual transmission is used in a transmission for a hybrid electric vehicle when using the above method, there is a problem of shift shock when shifting according to the single plate dry clutch structure.

또한, 수동화 자동 변속기(ASG : Automated Shifted Gearbox)용으로는 변속 쇼크 및 변속 제어의 정교성이 떨어지는 문제점이 있다.In addition, for the automatic shifted gearbox (ASG), there is a problem in that the shift shock and the shift control precision are inferior.

본 발명의 목적은 아이들 스톱(Idle-Stop) 기능을 구현하기 위하여 엔진 정지 후 출발시에도 큰 충격 없이 출발 및 변속이 가능한 하이브리드 전기 차량의 변속장치를 제공하는데 있다. An object of the present invention is to provide a transmission of a hybrid electric vehicle capable of starting and shifting without significant impact even when starting after engine stop in order to implement the idle stop (Idle-Stop) function.

상기와 같은 목적을 달성하기 위하여 본 발명은 하이브리드 전기 차량의 변속장치에 있어서, 상기 변속장치의 입력축에 다판 습식 클러치로 설치되어 드라이빙 플레이트를 통해 전달되는 엔진의 동력을 단속하는 변속 클러치와; 상기 변속장치의 출력축에 설치되어 변속장치의 변속 완료후 차량을 발진시키는 발진 클러치와; 상기 변속장치의 출력축에 설치되며, 상기 변속 클러치의 변속 동작에 연동되어 엔진 동력이 차단된 상태에서 각각의 변속단에 해당되는 변속 동작을 수행하는 동기장치와; 모터에 의해 구동되어 유압을 형성할 수 있도록 설치되어, 상기 하이브리드 전기 차량의 아이들 스톱(Idle Stop)시에도 엔진 정지와 무관하게 구동하여 아이들 스톱 모드 탈출시 변속 쇼크를 없앨 수 있도록 한 외장형의 전동 오일 펌프와; 상기 변속장치를 구성하는 각각의 클러치 및 동기장치와 전동 오일 펌프의 동작을 제어하는 유압제어회로를 포함하여 구성하는 것을 특징으로 한다.In order to achieve the above object, the present invention provides a transmission device for a hybrid electric vehicle, comprising: a shift clutch for installing a multi-plate wet clutch on an input shaft of the transmission device to regulate the power of an engine transmitted through a driving plate; An oscillating clutch installed on an output shaft of the transmission to start the vehicle after the transmission of the transmission is completed; A synchronization device installed on an output shaft of the transmission device and configured to perform a shift operation corresponding to each shift stage in a state in which engine power is cut off in association with a shift operation of the shift clutch; An external type electric oil that is driven by a motor so as to generate hydraulic pressure and driven without an engine stop even when idle of the hybrid electric vehicle, thereby eliminating shift shock when exiting the idle stop mode. A pump; It characterized in that it comprises a hydraulic control circuit for controlling the operation of each clutch and synchronous device and the electric oil pump constituting the transmission.

이하 본 발명의 바람직한 실시예를 첨부한 도면을 참조하여 상세히 설명한다. 하기 설명 및 첨부 도면과 같은 많은 특정 상세들이 본 발명의 보다 전반적인 이해를 제공하기 위해 나타나 있으나, 이들 특정 상세들은 본 발명의 설명을 위해 예시한 것으로 본 발명이 그들에 한정됨을 의미하는 것은 아니다. 그리고 본 발명의 요지를 불필요하게 흐릴 수 있는 공지 기능 및 구성에 대한 상세한 설명은 생략한다.Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. While many specific details, such as the following description and the annexed drawings, are shown to provide a more general understanding of the invention, these specific details are illustrated for the purpose of explanation of the invention and are not meant to limit the invention thereto. And a detailed description of known functions and configurations that may unnecessarily obscure the subject matter of the present invention will be omitted.

도 1을 참조하여 본 발명의 실시예에 따른 하이브리드 전기 차량의 변속장치 구성을 설명한다.A configuration of a transmission of a hybrid electric vehicle according to an exemplary embodiment of the present invention will be described with reference to FIG. 1.

본 발명의 실시예는 하이브리드 전기 차량의 변속장치에 있어서, 변속 클러치(110), 발진 클러치(120), 동기장치(130), 전동 오일 펌프, 유압제어회로를 포함하여 구성한다.Embodiment of the present invention, in the transmission of the hybrid electric vehicle, it comprises a transmission clutch 110, the oscillation clutch 120, the synchronous device 130, an electric oil pump, a hydraulic control circuit.

변속 클러치(110)는 도 1에 도시된 바와 같이 하이브리드 전기 차량의 엔진으로부터 동력을 전달받는 드라이빙 플레이트(Driving Plate)(112)에 연결되어 변속장치의 입력축에 다판 습식 클러치로 설치된다.The shift clutch 110 is connected to a driving plate 112 that receives power from the engine of the hybrid electric vehicle, as shown in FIG. 1, and is installed as a multi-plate wet clutch on an input shaft of the transmission.

변속 클러치(110)는 하이브리드 전기 차량의 엔진 정지시에도 운전자의 의지에 따라 구동되어 해당되는 변속 동작을 수행할 수 있도록 구성한다.The shift clutch 110 is configured to be driven according to the driver's will even when the engine of the hybrid electric vehicle is stopped to perform a corresponding shift operation.

예를 들어, 변속 클러치(110)는 변속시 엔진 동력을 오프(OFF) 시켜 각단 동기장치(130) 작동후 온(ON)되도록 구성하며, 전동 오일 펌프에 의해 엔진 정지후 급출발시에도 변속 쇼크 없이 변속 동작을 수행하도록 구성한다.For example, the shift clutch 110 is configured to turn the engine power off when the gear shift is turned on (ON) after the operation of each stage synchronous device 130, and without a shift shock even when the engine is started after the engine is stopped by the electric oil pump. Configure the shifting operation.

발진 클러치(120)는 변속장치의 출력축에 설치되어 변속장치의 변속 완료후 차량을 발진시키는 기능을 한다.The oscillation clutch 120 is installed on the output shaft of the transmission to function to start the vehicle after the shift of the transmission is completed.

발진 클러치(120)는 상기한 변속 클러치(110)와 마찬가지로 하이브리드 전기 차량의 엔진 정지시에도 운전자의 의지에 따라 구동되어 해당되는 변속 동작을 수행할 수 있도록 구성한다.Like the shift clutch 110, the oscillation clutch 120 is configured to be driven according to the driver's will even when the engine of the hybrid electric vehicle is stopped to perform a corresponding shift operation.

예를 들어, 발진 클러치(120)는 하이브리드 전기 차량의 아이들 스톱(Idle-stop) 기능으로 엔진 정지후 발진 초기에도 전동 오일 펌프의 구동에 따라 차량 출발시 쇼크가 없도록 슬립제어를 통하여 부드러운 차량 출발이 가능하게 구성한다.For example, the oscillation clutch 120 is an idle stop function of a hybrid electric vehicle, so that the vehicle starts smoothly by slip control so that there is no shock when the vehicle starts according to the driving of the electric oil pump even after the engine is stopped. Configure as possible.

동기장치(130)는 도 1에 도시된 바와 같이 변속장치의 출력축에 설치되며, 변속 클러치(110)의 변속 동작에 연동되어 엔진 동력이 차단된 상태에서 각각의 변속단에 해당되는 변속 동작을 수행한다.The synchronous device 130 is installed on the output shaft of the transmission as shown in FIG. 1 and is linked to the shifting operation of the shifting clutch 110 to perform a shifting operation corresponding to each shifting stage in a state in which engine power is cut off. do.

동기장치(130)는 1단과 2단 동기장치(1 & 2 Synchronizer), 3단과 4단 동기장치(3 & 4 Synchronizer), 5단과 리버스(Reverse)단 동기장치(5 & R Synchronizer)의 조합으로 구성한다.Synchronizer 130 is a combination of 1st and 2nd stage synchronizer (1 & 2 Synchronizer), 3rd and 4th stage synchronizer (3 & 4 Synchronizer), and 5th and Reverse stage synchronizer (5 & R Synchronizer). Configure.

전동 오일 펌프는 엔진 회전수와 무관하게 운전자의 의지에 따라 모터를 구동하여 유압을 형성할 수 있도록 설치되며, 하이브리드 전기 차량의 아이들 스톱(Idle Stop)시에도 엔진 정지와 무관하게 구동하여 아이들 스톱 모드 탈출시 변속 쇼크를 없앨 수 있도록 한 외장형으로 구성한다.The electric oil pump is installed to generate hydraulic pressure by driving the motor according to the driver's will regardless of the engine speed, and the idle stop mode is driven regardless of the engine stop even in the idle stop of the hybrid electric vehicle. It is configured as an external type to eliminate shift shock when escaping.

유압제어회로는 변속장치를 구성하는 각각의 클러치(110, 120) 및 동기장치(130)와 전동 오일 펌프의 동작을 제어한다.The hydraulic control circuit controls the operation of each of the clutches 110 and 120 and the synchronizing device 130 and the electric oil pump constituting the transmission.

참고적으로, 전동 오일 펌프와 유압제어회로의 구성은 생략함에 유의해야 한다.For reference, the configuration of the electric oil pump and the hydraulic control circuit is omitted.

상기한 바와 같이 본 발명의 실시예는 연비향상을 주목적으로 개발중인 하이브리드 전기 차량용 변속기 구조에 관한 것이다.As described above, an embodiment of the present invention relates to a transmission structure for a hybrid electric vehicle, which is mainly developed for improving fuel economy.

예를 들어, 본 발명의 실시예는 하이브리드 전기 차량의 여러 기능 가운데 하나인 아이들 스톱(Idle-Stop) 기능을 구현하기 위하여 엔진 정지 후 출발시에도 큰 충격 없이 출발 및 변속이 가능한 하이브리드 전기 차량용 변속기를 특징으로 한다.For example, an embodiment of the present invention is a hybrid electric vehicle transmission capable of starting and shifting without significant impact even when starting after stopping the engine to implement an idle stop function, which is one of several functions of a hybrid electric vehicle. It features.

본 발명의 실시예에 따른 하이브리드 전기 차량의 변속장치는 변속 쇼크 및 변속 제어의 정교성을 개선하여 수동화 자동 변속기(ASG : Automated Shifted Gearbox)의 구조로 구성할 수 있다.The shifting device of the hybrid electric vehicle according to the embodiment of the present invention may be configured to have a structure of an automated shifted gearbox (ASG) by improving the sophistication of the shift shock and shift control.

즉, 종래의 하이브리드 전기 차량에 사용되었던 수동 변속기는 단판 건식 클러치 구성을 갖고 있어서 변속시 변속 쇼크가 크며, 수동화 자동 변속기(ASG)로는 변속 쇼크 및 변속 제어의 정교성이 떨어지는 단점이 있다.In other words, the manual transmission used in the conventional hybrid electric vehicle has a single-plate dry clutch configuration, so the shift shock is large during shifting, and the manual shock automatic transmission (ASG) has a disadvantage in that the shift shock and the shift control precision are inferior.

그러나, 본 발명의 실시예는 이러한 종래의 단판 건식 클러치를 대신하여 다판 습식 클러치로 구성하는 변속 클러치(110)를 입력축에 배치하고 발진(Starting)시의 쇼크를 없애기 위해 발진 클러치(120)를 출력축(Output)에 배치함으로써 변속시 변속 쇼크가 없고, 정교한 변속이 가능하다.However, the embodiment of the present invention is to replace the conventional single-plate dry clutch in place of the shift clutch 110 composed of a multi-plate wet clutch on the input shaft and to output the oscillating clutch 120 in order to eliminate the shock when starting (Starting) By placing in (Output), there is no shift shock when shifting, and precise shifting is possible.

한편, 본 발명의 실시예는 하이브리드 전기 차량의 기능인 아이들 스톱(Idle stop)후 출발시 부드러운 변속이 가능하도록 전동 오일 펌프(Oil Pump)를 배치하여 엔진 정지시에도 운전자의 의지에 따라 변속 클러치(110)와 발진 클러치(120)를 작동시켜 변속이 가능하도록 할 수 있다.On the other hand, the embodiment of the present invention is to arrange an electric oil pump (Oil Pump) to enable a smooth shift at the start after the idle stop (Idle stop), which is a function of the hybrid electric vehicle shifting clutch 110 at the driver's will even when the engine is stopped ) And the oscillation clutch 120 may be enabled to shift.

상술한 바와 같이 본 발명에 따른 하이브리드 전기 차량의 변속장치는 다판 습식 클러치를 변속 클러치로 입력축에 설치하여 변속시 변속 쇼크가 없고, 정교한 변속이 가능하다. As described above, in the transmission of the hybrid electric vehicle according to the present invention, a multi-plate wet clutch is installed on the input shaft as a shift clutch, so that there is no shift shock when shifting and precise shifting is possible.

또한, 변속 완료 후 발진 클러치를 작동시켜 하이브리드 전기 차량의 발진시 변속 쇼크를 저감시킬 수 있다.In addition, after the shift is completed, the oscillation clutch may be operated to reduce shift shock when the hybrid electric vehicle starts.

또한, 아이들 스톱후 재출발시 쇼크가 없는 정교한 변속을 제공하는 효과가 있다.In addition, there is an effect of providing a shock-free precise shift when restarting after the idle stop.

도 1은 본 발명의 실시예에 따른 하이브리드 전기 차량의 변속장치 구성을 도시한 도면.1 is a view showing a transmission configuration of a hybrid electric vehicle according to an embodiment of the present invention.

Claims (5)

하이브리드 전기 차량의 변속장치에 있어서,In a transmission of a hybrid electric vehicle, 상기 변속장치의 입력축에 다판 습식 클러치로 설치되어 드라이빙 플레이트를 통해 전달되는 엔진의 동력을 단속하는 변속 클러치와;A transmission clutch installed on the input shaft of the transmission as a multi-plate wet clutch to regulate the power of the engine transmitted through the driving plate; 상기 변속장치의 출력축에 설치되어 변속장치의 변속 완료후 차량의 발진을 단속하는 발진 클러치와;An oscillating clutch installed on an output shaft of the transmission to control an oscillation of the vehicle after the transmission of the transmission is completed; 상기 변속장치의 출력축에 설치되며, 상기 변속 클러치의 변속 동작에 연동되어 엔진 동력이 차단된 상태에서 각각의 변속단에 해당되는 변속 동작을 수행하는 동기장치와;A synchronization device installed on an output shaft of the transmission device and configured to perform a shift operation corresponding to each shift stage in a state in which engine power is cut off in association with a shift operation of the shift clutch; 모터에 의해 구동되어 유압을 형성할 수 있도록 설치되어, 상기 하이브리드 전기 차량의 아이들 스톱(Idle Stop)시에도 엔진 정지와 무관하게 구동하여 아이들 스톱 모드 탈출시 변속 쇼크를 해소할 수 있는 외장형의 전동 오일 펌프와;An external type electric oil which is installed to be driven by a motor so as to generate hydraulic pressure, which can be driven irrespective of the engine stop even when idle of the hybrid electric vehicle, thereby relieving shift shock when exiting the idle stop mode. A pump; 상기 변속장치를 구성하는 각각의 클러치 및 동기장치와 상기 전동 오일 펌프의 동작을 제어하는 유압제어회로를 포함하여 구성하는 것을 특징으로 하는 하이브리드 전기 차량의 변속장치.And a hydraulic control circuit for controlling the operation of each clutch and synchronous device and the electric oil pump constituting the transmission. 제1항에 있어서, The method of claim 1, 상기 변속 클러치는 엔진의 정지시에도 운전자의 의지에 따라 구동되어 해당되는 변속 동작을 수행하는 것을 특징으로 하는 하이브리드 전기 차량의 변속장치.The shift clutch may be driven at the driver's will even when the engine is stopped to perform a corresponding shift operation. 제2항에 있어서, The method of claim 2, 상기 변속 클러치는 변속시 엔진 동력을 오프(OFF)시켜 각단 동기장치 작동후 온(ON)되며, 상기 전동 오일 펌프에 의해 엔진 정지후 급출발시에도 변속 쇼크 없이 변속 동작을 수행하는 것을 특징으로 하는 하이브리드 전기 차량의 변속장치.The shift clutch is turned on (ON) after the operation of each stage synchronous device by turning off the engine power when shifting, and the hybrid oil characterized in that the shift operation without shift shock even when a rapid start after engine stop by the electric oil pump Transmission of electric vehicle. 제1항에 있어서, The method of claim 1, 상기 발진 클러치는 엔진의 정지시에도 운전자의 의지에 따라 구동되어 해당되는 변속 동작을 수행하는 것을 특징으로 하는 하이브리드 전기 차량의 변속장치.The oscillating clutch is shifted according to the driver's will even when the engine is stopped, the transmission of the hybrid electric vehicle, characterized in that to perform a corresponding shift operation. 제4항에 있어서, The method of claim 4, wherein 상기 발진 클러치는 엔진 정지후 발진초기에도 전동 오일 펌프의 구동에 따라 차량 출발시 쇼크가 없도록 슬립제어를 통하여 차량 출발이 가능하게 하는 것을 특징으로 하는 하이브리드 전기 차량의 변속장치.The oscillation clutch is a hybrid electric vehicle, characterized in that the vehicle can be started through the slip control so that there is no shock when starting the vehicle according to the driving of the electric oil pump even after the engine start.
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