KR101925223B1 - Hybrid transmission - Google Patents

Hybrid transmission Download PDF

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Publication number
KR101925223B1
KR101925223B1 KR1020170179215A KR20170179215A KR101925223B1 KR 101925223 B1 KR101925223 B1 KR 101925223B1 KR 1020170179215 A KR1020170179215 A KR 1020170179215A KR 20170179215 A KR20170179215 A KR 20170179215A KR 101925223 B1 KR101925223 B1 KR 101925223B1
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South Korea
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motor
differential
engine
planetary gear
gear set
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KR1020170179215A
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Korean (ko)
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김태준
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현대 파워텍 주식회사
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/42—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
    • B60K6/44—Series-parallel type
    • B60K6/445—Differential gearing distribution 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
    • B60K6/24—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
    • B60K6/365—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings with the gears having orbital motion
    • 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
    • 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
    • F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
    • F16H3/72—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion with a secondary drive, e.g. regulating motor, in order to vary speed continuously
    • F16H3/727—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion with a secondary drive, e.g. regulating motor, in order to vary speed continuously with at least two dynamo electric machines for creating an electric power path inside the gearing, e.g. using generator and motor for a variable power torque path
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/62—Hybrid vehicles

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • General Engineering & Computer Science (AREA)
  • Hybrid Electric Vehicles (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Structure Of Transmissions (AREA)

Abstract

According to the present invention, disclosed is a hybrid transmission. According to an embodiment of the present invention, the hybrid transmission comprises: an engine; a first motor connected to the engine and a first differential; a second motor connected to a sun gear of a planetary gear set; and the first differential connected to the first motor and a ring gear of the planetary gear set. Therefore, power of a drive motor and the engine can be generated or amplified by controlling an opposite motor, and a simple structure can reduce the loss of power. Moreover, production costs and component costs can be reduced.

Description

하이브리드 변속기 {HYBRID TRANSMISSION}Hybrid Transmission {HYBRID TRANSMISSION}

본 발명은 하이브리드 변속기에 관한 것으로, 보다 상세하게는 두개의 입력단을 연결하는 디퍼렌셜 기어를 사용하여 동력 손실을 방지할 수 있는 하이브리드 변속기에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a hybrid transmission, and more particularly, to a hybrid transmission capable of preventing power loss by using a differential gear that connects two input ends.

자동차에 대한 끊임없는 연비 향상의 요구와 각 나라의 배출가스 규제의 강화에 따라 친환경 자동차에 대한 요구가 증가하고 있으며, 이에 대한 현실적인 대안으로 친환경 자동차가 제공되고 있다.The demand for environmentally friendly vehicles is increasing due to the demand for constant fuel efficiency improvement for automobiles and the strengthening of exhaust gas regulations of each country. As a real alternative, environmentally friendly vehicles are being provided.

친환경 자동차는 연료전지 자동차, 전기자동차, 플러그인 전기자동차, 하이브리드 자동차를 포괄하는 것으로, 통상적으로 구동력 발생을 위한 모터를 구비한다.The eco-friendly automobile encompasses a fuel cell automobile, an electric automobile, a plug-in electric automobile, and a hybrid automobile, and usually has a motor for generating a driving force.

이러한 친환경 자동차의 일례인 하이브리드 자동차(hybrid vehicle)는 내연기관 엔진(internal combustion engine)과 배터리 전원을 함께 사용한다. 즉, 하이브리드 자동차는 내연기관 엔진의 동력과 모터의 동력을 효율적으로 조합하여 사용한다. 즉, 하이브리드 자동차는 엔진과 모터로 구성되는 두 개의 동력원으로 주행하는 과정에서 엔진과 모터를 조화롭게 동작시켜 따라 추가적인 연비 향상을 도모할 수 있다.An example of such an environment-friendly automobile is a hybrid vehicle, which uses an internal combustion engine and battery power. That is, the hybrid vehicle efficiently combines the power of the internal combustion engine and the power of the motor. In other words, the hybrid vehicle can operate the engine and the motor in a harmonious manner in the process of running on the two power sources composed of the engine and the motor, thereby further improving the fuel efficiency.

일반적으로, 하이브리드 자동차는 배터리의 전력을 인버터에서 변환하여 모터에 인가함으로 모터를 작동시킨다. 이때, 모터는 높은 회전수를 가지고 회전하여 동력을 프로펠러 샤프트 또는 구동축 등에 전달한다.Generally, a hybrid vehicle activates a motor by converting the power of a battery into an inverter and applying it to the motor. At this time, the motor rotates at a high rotation speed to transmit the power to the propeller shaft, the drive shaft and the like.

한편, 자동 변속기는 엔진의 동력을 주행부하에 적합하도록 변화시키기 위하여 다양한 형태의 구조가 시도되어 왔으나, 대체로 유성기어를 포함한 기어열과, 이 기어열을 조작하는 유압제어장치를 포함하는 구성으로 일반화되어 있다.On the other hand, various types of structures have been attempted to change the power of the engine to suit the running load of an automatic transmission. However, the automatic transmission is generalized to include a gear train including a planetary gear and a hydraulic control device for operating the gear train have.

상기 기어열은 유압제어장치에 의해 조작되는 클러치나 브레이크 등의 마찰요소의 작동 조합에 의해 특정의 변속단을 형성하도록 되어 있어서, 차량의 주행상태 및 운전자의 조작에 의해 상기 유압제어장치를 자동적으로 조작하면, 원하는 변속단으로의 변속이 이루어지도록 되어 있다.The gear train is configured to form a specific speed change stage by operating combination of a friction element such as a clutch or a brake operated by the hydraulic control device so that the hydraulic control device is automatically controlled by the running state of the vehicle and the operation of the driver When the operation is made, the shift to the desired speed change stage is performed.

일반적으로, 전기자동차(Electric Vehicle)는 석유 연료와 엔진을 사용하지 않고, 전기 배터리와 전기 모터를 사용하는 자동차를 말한다. 이러한 전기자동차는 배터리의 전력을 인버터에서 변환하여 모터에 인가함으로 모터를 작동시킨다. 이때, 모터는 높은 회전수를 가지고 회전하고, 감속기는 모터에 연결되어 모터의 높은 회전수를 차량 주행에 적당한 속도로 감속하여 프로펠러 샤프트 또는 구동축 등에 전달한다.Generally, an electric vehicle refers to a vehicle that does not use petroleum fuel and an engine, but uses an electric battery and an electric motor. Such an electric vehicle converts the electric power of the battery from an inverter and applies it to the motor to operate the motor. At this time, the motor rotates at a high rotation speed, and the speed reducer is connected to the motor to decelerate the high rotation speed of the motor at a proper speed for traveling the vehicle to the propeller shaft, the drive shaft or the like.

도 1은 종래의 전형적인 외접기어 타입의 감속기로서, 입력축(500)과 디퍼렌셜(502) 사이에 외접기어(504)를 구비하여, 상기 외접기어(504)의 잇수에 따라 결정되는 변화할 수 없는 1개의 감속비를 구현하도록 되어 있다.1 shows a conventional external gear type speed reducer having an external gear 504 between an input shaft 500 and a differential gear 502 and having an irreversible 1 which is determined by the number of teeth of the external gear 504, Speed reduction ratio.

도 2는 종래의 전형적인 유성기어타입 감속기로서, 우측의 제1유성기어세트(506)와 제2유성기어세트(508)는 입력축(500)으로부터의 동력을 제3유성기어세트(510)로 감속하여 공급하는 감속기의 역할을 수행하며, 좌측의 상기 제3유성기어세트(510)는 양쪽 차륜으로 동력을 배분하는 디퍼렌셜의 기능을 수행하는데, 상기 감속기의 역할을 수행하는 상기 제1유성기어세트(506)와 제2유성기어세트(508)는 고정된 연결구조에 의해 변화할 수 없는 1개의 감속비로 동력을 감속하여 상기 제3유성기어세트(510)로 공급하도록 되어 있다.2 is a conventional planetary gear type speed reducer in which the right first planetary gear set 506 and the second planetary gear set 508 decelerate the power from the input shaft 500 to the third planetary gear set 510 And the third planetary gear set 510 on the left side functions as a differential to distribute the power to both wheels. The first planetary gear set 510 serves as a reduction gear, 506 and the second planetary gear set 508 are supplied with power to the third planetary gear set 510 at a speed reduction ratio that can not be changed by the fixed connection structure.

상기한 바와 같은 종래의 감속기들은 감속비가 고정된 1개로 정해져 있어서, 전기차량의 구동력과 연비를 동시에 만족시키기에 어려움이 있다. 구체적으로, 구동력 증대를 위해 감속기가 큰 감속비를 구현하도록 구성한다면, 전기차량의 연비가 악화되며, 반대로 작은 감속비를 구현하도록 구성한다면, 상대적으로 연비에는 유리하지만 구동력이 저하되고, 전기차량의 적절한 수준의 구동력 확보를 위해서는 상기 감속기로 동력을 공급하는 모터의 용량이 커져야 하는 어려움이 있다.The above-described conventional speed reducers have a fixed reduction ratio, so that it is difficult to simultaneously satisfy the driving force and the fuel consumption of the electric vehicle. Specifically, if the reducer is configured to realize a large reduction ratio for increasing the driving power, if the fuel economy of the electric vehicle is deteriorated and conversely, if it is configured to realize a small reduction ratio, it is advantageous for relatively low fuel consumption, The capacity of the motor for supplying power to the speed reducer must be increased.

즉, 이러한 종래의 감속기는 전달효율 손실이 많이 발생하여 연비 향상에 한계가 있으며, 엔진 운전점의 최적화가 어렵다는 문제가 있다.In other words, such a conventional speed reducer has a problem in that it is difficult to optimize the engine operating point.

대한민국 공개특허출원 제 10-2012-0119344 호Korean Published Patent Application No. 10-2012-0119344

본 발명의 일 실시 예는 상기 종래 기술의 문제점을 극복하기 위하여 두개의 입력단을 연결하는 디퍼렌셜 기어를 사용하여 입력측 모터와 엔진으로 구동력을 만들고 추가된 모터로 기어비 조정 및 충전이 가능하여 동력 전달효율 및 제조 원가를 절감할 수 있는 하이브리드 변속기를 제공하고자 한다.In order to overcome the problems of the prior art, an embodiment of the present invention uses a differential gear that connects two input ends to make a driving force from an input side motor and an engine, and a gear ratio can be adjusted and charged by an additional motor. And to provide a hybrid transmission capable of reducing manufacturing cost.

본 발명의 일 측면에 따르면, 엔진; 상기 엔진과 제 1 디퍼렌셜에 연결되어 있는 제 1 모터; 상기 유성기어세트의 선기어에 연결되어 있는 제 2 모터 및 상기 제 1 모터와 유성기어세트의 링기어에 연결되어 있는 제 1 디퍼렌셜로 이루어질 수 있다.According to an aspect of the present invention, there is provided an engine comprising: an engine; A first motor coupled to the engine and a first differential; A second motor connected to the sun gear of the planetary gear set, and a first differential connected to the first motor and the ring gear of the planetary gear set.

상기 하이브리드 변속기의 엔진 클러치는 엔진과 제 1 모터를 연결할 수 있다.The engine clutch of the hybrid transmission may connect the engine and the first motor.

상기 유성기어세트의 캐리어는 브레이크에 연결될 수 있다.The carrier of the planetary gear set may be connected to the brake.

상기 제 1 디퍼렌셜은 감소 기어(RED.GEAR)에 연결될 수 있다.The first differential may be connected to the reduction gear RED.GEAR.

상기 하이브리드 변속기의 제 2 디퍼렌셜은 감소 기어에 연결될 수 있다.The second differential of the hybrid transmission may be connected to the reduction gear.

본 발명의 다른 측면에 따르면, 제 1 모터; 상기 제 1 모터와 하기 유성기어세트의 링기어 사이에 연결되어 있는 제 1 디퍼렌셜 및 상기 유성기어세트의 선기어에 연결되어 있는 제 2 모터로 이루어질 수 있다.According to another aspect of the present invention, there is provided a motor comprising: a first motor; A first differential connected between the first motor and the ring gear of the planetary gear set, and a second motor connected to the sun gear of the planetary gear set.

본 발명의 하나의 실시 예에 따르면, 하이브리드 변속기는 디퍼렌셜 기어와 두개의 모터를 통해서 하이브리드용 무단 변속기 기능을 하고, 구동 모터 및 엔진의 동력을 반대편 모터의 제어로 발전 또는 증속이 가능한 구조이며, 단순한 구조로 동력 손실을 저감시키고, 생산 비용 및 부품 비용을 절감시키는 효과를 제공할 수 있다.According to one embodiment of the present invention, the hybrid transmission has a structure that functions as a continuously variable transmission for hybrid through a differential gear and two motors, and is capable of generating or increasing the power of the drive motor and the engine by control of the opposite motor, Structure, it is possible to reduce the power loss and reduce the production cost and the component cost.

도 1은 종래의 전형적인 외접기어 타입 감속기의 모식도이다.
도 2는 종래의 전형적인 유성기어타입 감속기의 모식도이다.
도 3은 본 발명의 하나의 실시 예에 따른 하이브리드 변속기의 모식도이다.
도 4는 본 발명의 다른 실시 예에 따른 하이브리드 변속기의 모식도이다.1 is a schematic diagram of a conventional external gear type speed reducer.
2 is a schematic diagram of a conventional planetary gear type speed reducer.
3 is a schematic diagram of a hybrid transmission according to one embodiment of the present invention.
4 is a schematic diagram of a hybrid transmission according to another embodiment of the present invention.

이하 설명하는 실시 예들은 본 발명의 기술 사상을 당업자가 용이하게 이해할 수 있도록 제공되는 것으로 이에 의해 본 발명이 한정되지는 않는다. 또한, 첨부된 도면에 표현된 사항들은 본 발명의 실시 예들을 쉽게 설명하기 위해 도식화된 도면으로 실제로 구현되는 형태와 상이할 수 있다.The embodiments described below are provided so that those skilled in the art can easily understand the technical idea of the present invention, and thus the present invention is not limited thereto. In addition, the matters described in the attached drawings may be different from those actually implemented by the schematic drawings to easily describe the embodiments of the present invention.

어떤 구성요소가 다른 구성요소에 연결되어 있거나 접속되어 있다고 언급될 때에는, 그 다른 구성요소에 직접적으로 연결 또는 접속되어 있을 수도 있지만, 중간에 다른 구성요소가 존재할 수도 있다고 이해되어야 한다. It is to be understood that when an element is referred to as being connected or connected to another element, it may be directly connected or connected to the other element, but it should be understood that there may be other elements in between.

그리고 여기서의 "연결"이란 일 부재와 타 부재의 직접적인 연결, 간접적인 연결을 포함하며, 접착, 부착, 체결, 접합, 결합 등 모든 물리적인 연결을 의미할 수 있다. The term "connection" as used herein means a direct connection or indirect connection between one member and another member, and may refer to all physical connections such as adhesion, attachment, fastening, bonding, and bonding.

또한 '제1, 제2' 등과 같은 표현은 복수의 구성들을 구분하기 위한 용도로만 사용된 표현으로써, 구성들 사이의 순서나 기타 특징들을 한정하지 않는다.Also, the expressions such as 'first, second', etc. are used only to distinguish a plurality of configurations, and do not limit the order or other features between configurations.

단수의 표현은 문맥상 명백하게 다르게 표현하지 않는 한, 복수의 표현을 포함한다. "포함한다" 또는 "가진다" 등의 용어는 명세서 상에 기재된 특징, 숫자, 단계, 동작, 구성요소, 부품 또는 이들을 조합한 것이 존재함을 의미하기 위한 것으로, 하나 또는 그 이상의 다른 특징들이나 숫자, 단계, 동작, 구성요소, 부품 또는 이들을 조합한 것들이 부가될 수 있는 것으로 해석될 수 있다.The singular forms "a", "an" and "the" include plural referents unless the context clearly dictates otherwise. Means that a feature, number, step, operation, element, component, or combination of features described in the specification is meant to imply the presence of one or more other features, A step, an operation, an element, a component, or a combination thereof.

도 3은 본 발명의 하나의 실시 예에 따른 하이브리드 변속기의 모식도이다.3 is a schematic diagram of a hybrid transmission according to one embodiment of the present invention.

도 3을 참조하면, 본 발명에 따른 하이브리드 변속기는 엔진, 상기 엔진과 디퍼렌셜(21)에 연결되어 있는 제 1 모터(M1), 상기 유성기어세트(10)의 선기어(S)에 연결되어 있는 제 2 모터(M2), 상기 제 1 모터(M1)와 유성기어세트(10)의 링기어(R)에 연결되어 있는 제 1 디퍼렌셜(21)로 이루어져 있다.3, a hybrid transmission according to the present invention includes an engine, a first motor M1 connected to the engine and a differential 21, a second motor M1 coupled to the sun gear S of the planetary gear set 10, 2 motor M2 and a first differential 21 connected to the first motor M1 and the ring gear R of the planetary gear set 10. [

하나의 구체적인 예에서, 상기 하이브리드 변속기의 엔진 클러치는 엔진과 제 1 모터(M1)를 연결하고, 상기 유성기어세트(10)의 캐리어(C)는 브레이크에 연결되어 있다.In one specific example, the engine clutch of the hybrid transmission connects the engine to the first motor M1, and the carrier C of the planetary gear set 10 is connected to the brake.

또한, 상기 제 1 디퍼렌셜(21)은 감소 기어(RED.GEAR)에 연결되어 있되, 상기 감소 기어는 하이브리드 변속기의 제 2 디퍼렌셜(22)이 연결되어 있다.The first differential 21 is connected to the reduction gear RED.GEAR, and the reduction gear is connected to the second differential 22 of the hybrid transmission.

본 발명의 다른 측면에 따른 하이브리드 변속기는 상기 제 1 모터(M1)와 하기 유성기어세트(10)의 링기어(R) 사이에 연결되어 있는 제 1 디퍼렌셜(21) 및 상기 유성기어세트(10)의 선기어(S)에 연결되어 있는 제 2 모터(M2)로 이루어져 있다.The hybrid transmission according to another aspect of the present invention includes a first differential 21 and a second differential 21 connected between the first motor M1 and the ring gear R of the following planetary gear set 10, And a second motor M2 connected to the sun gear S of the sun gear S2.

본 발명의 하나의 실시 예에 따른 하이브리드 변속기의 작동 관계를 기술하면, 먼저 제 1 모터(M1)가 작동하여 동력을 전달하는 경우에, 상기 제 1 모터(M1)는 디퍼렌셜(21)에 연결되어 있어, 동력이 디퍼렌셜(21)로 전달된다.The operation of the hybrid transmission according to one embodiment of the present invention will be described. First, when the first motor M1 operates to transmit power, the first motor M1 is connected to the differential 21 And the power is transmitted to the differential 21.

이때, 상기 하이브리드 변속기의 엔진 클러치는 엔진과 제 1 모터(M1)를 연결하고 있어 엔진 클러치에 의해 엔진 동력이 디퍼렌셜(21)로 전달될 수 있다.At this time, the engine clutch of the hybrid transmission connects the engine and the first motor M1, so that the engine power can be transmitted to the differential 21 by the engine clutch.

또한, 제 2 모터(M2)가 작동하여 동력을 전달하는 경우에, 제 2 모터(M2)는 유성기어세트(10)의 선기어(S)에 연결되어 있고, 상기 유성기어세트(10)의 캐리어(C)는 브레이크에 연결되어 있으며, 유성기어세트(10)의 링기어(R)는 제 1 디퍼렌셜(21)에 연결되어 있어 동력이 제 1 디퍼렌셜(21)로 전달된다.The second motor M2 is connected to the sun gear S of the planetary gear set 10 so that the carrier of the planetary gear set 10 The ring gear C of the planetary gear set 10 is connected to the brake and the ring gear R of the planetary gear set 10 is connected to the first differential 21 to transmit the power to the first differential 21.

이와 같이, 제 1 디퍼렌셜(21)로 전달된 동력은 감소 기어로 전달되며, 전달된 동력은 제 2 디퍼렌셜(22)로 전달되어 출력된다.Thus, the power transmitted to the first differential 21 is transmitted to the reduction gear, and the transmitted power is transmitted to the second differential 22 to be output.

도 4는 본 발명의 다른 실시 예에 따른 하이브리드 변속기의 모식도이다.4 is a schematic diagram of a hybrid transmission according to another embodiment of the present invention.

도 4를 참조하면, 제1 모터(M1), 상기 유성기어세트(10)의 선기어(S)에 연결되어 있는 제 2 모터(M2), 상기 제 1 모터(M1)와 유성기어세트(10)의 링기어(R)에 연결되어 있는 제 1 디퍼렌셜(21)로 이루어져 있다.4, the first motor M1, the second motor M2 connected to the sun gear S of the planetary gear set 10, the first motor M1 and the planetary gear set 10, And a first differential 21 connected to the ring gear R of the second clutch C1.

도 4는 전기차용 변속기로서 엔진과 엔진 클러치를 제외하고 동일한 구조의 중복되는 설명은 생략한다.Fig. 4 does not show a duplicate description of the same structure except for the engine and the engine clutch as the electric vehicle transmission.

따라서, 본 발명에 따른 하이브리드 변속기는 디퍼렌셜 기어와 두개의 모터를 통해서 하이브리드용 무단 변속기 기능을 하고, 구동 모터 및 엔진의 동력을 반대편 모터의 제어로 발전 또는 증속이 가능한 구조이며, 단순한 구조로 동력 손실을 저감시키고, 생산 비용 및 부품 비용을 절감시키는 효과를 제공할 수 있다.Therefore, the hybrid transmission according to the present invention is a structure that functions as a continuously variable transmission for hybrid through a differential gear and two motors, and is capable of generating or increasing the power of the drive motor and the engine by control of the opposite motor. Can be reduced, and the effect of reducing the production cost and the component cost can be provided.

본 발명이 속하는 기술분야의 통상의 지식을 가진 자는 본 발명이 그 기술적 사상이나 필수적인 특징을 변경하지 않고서 다른 구체적인 형태로 실시될 수 있다는 것을 이해할 수 있을 것이다. 그러므로 이상에서 기술한 실시 예들은 여러 가지 실시 가능한 예 중에서 당 업자의 이해를 돕기 위하여 가장 바람직한 실시 예를 선정하여 제시한 것일 뿐, 이 발명의 기술적 사상이 반드시 제시된 실시 예에만 의해서 한정되거나 제한되는 것은 아니고, 본 발명의 기술적 사상을 벗어나지 않는 범위 내에서 다양한 변화와 부가 및 변경이 가능함은 물론, 균등한 타의 실시 예가 가능함을 밝혀둔다. 본 발명의 범위는 상기 상세한 설명보다는 후술하는 특허청구의 범위에 의하여 나타내어지며, 특허청구의 범위의 의미 및 범위 그리고 그 균등 개념으로부터 도출되는 모든 변경 또는 변형된 형태가 본 발명의 범위에 포함되는 것으로 해석되어야 한다. 또한 발명자는 그 자신의 발명을 가장 최선의 방법으로 설명하기 위해 용어의 개념을 적절하게 정의할 수 있다는 원칙에 입각하여 본 명세서 및 청구범위에 사용된 용어나 단어가 정의된 것으로서, 통상적이거나 사전적인 의미로만 한정해서 해석되어서는 아니되어야 한다. 더불어, 상술하는 과정에서 기술된 구성의 순서는 반드시 시계열적인 순서대로 수행될 필요는 없으며, 각 구성 및 단계의 수행 순서가 바뀌어도 본 발명의 요지를 충족한다면 이러한 과정은 본 발명의 권리범위에 속할 수 있음은 물론이다.It will be understood by those skilled in the art that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. Therefore, it is to be understood that the above-described embodiments are merely illustrative of the most preferred embodiments of the present invention in order to facilitate understanding of the present invention, and the technical idea of the present invention is limited or limited only by the embodiments It is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, is intended to cover various modifications and similarities, many of which are within the scope of the present invention. The scope of the present invention is defined by the appended claims rather than the foregoing detailed description, and all changes or modifications derived from the meaning and scope of the claims and the equivalents thereof are included in the scope of the present invention Should be interpreted. It is also to be understood that the inventors have defined terms or words used in the present specification and claims based on the principle that the inventors can properly define the concept of the terms in order to explain their own invention in the best way, It should not be construed as meaning only. In addition, the order of the components described in the above-described process does not necessarily need to be performed in a time-series order, and if the order of operations of the respective components and steps is changed, the process may be included in the scope of the present invention. Of course it is.

10: 유성기어세트 21: 제 1 디퍼렌셜
22: 제 2 디퍼렌셜 M1: 제 1 모터
M2: 제 2 모터 S: 선기어
C: 캐리어 R: 링기어10: planetary gear set 21: first differential
22: second differential M1: first motor
M2: second motor S: sun gear
C: Carrier R: Ring gear

Claims (6)

엔진;
상기 엔진과 제 1 디퍼렌셜에 연결되어 있는 제 1 모터;
유성기어세트의 선기어에 연결되어 있는 제 2 모터; 및
상기 제 1 모터와 유성기어세트의 링기어에 연결되어 있는 제 1 디퍼렌셜;
로 이루어져 있는 것을 특징으로 하는 하이브리드 변속기.engine;
A first motor coupled to the engine and a first differential;
A second motor coupled to the sun gear of the planetary gear set; And
A first differential connected to the ring gear of the first motor and the planetary gear set;
And wherein the first and second clutches are connected to each other. 제 1 항에 있어서,
상기 하이브리드 변속기의 엔진 클러치는 엔진과 제 1 모터를 연결하는 것을 특징으로 하는 하이브리드 변속기.The method according to claim 1,
And the engine clutch of the hybrid transmission connects the engine and the first motor. 제 1 항에 있어서,
상기 유성기어세트의 캐리어는 브레이크에 연결되어 있는 것을 특징으로 하는 하이브리드 변속기.The method according to claim 1,
And the carrier of the planetary gear set is connected to the brake. 제 1 항에 있어서,
상기 제 1 디퍼렌셜은 감속 기어에 연결되어 있는 것을 특징으로 하는 하이브리드 변속기.The method according to claim 1,
And the first differential is connected to the reduction gear. 제 1 항에 있어서,
상기 하이브리드 변속기의 제 2 디퍼렌셜은 감속 기어에 연결되어 있는 것을 특징으로 하는 하이브리드 변속기.The method according to claim 1,
And the second differential of the hybrid transmission is connected to a reduction gear. 제 1 모터
상기 제 1 모터와 하기 유성기어세트의 링기어 사이에 연결되어 있는 제 1 디퍼렌셜; 및
상기 유성기어세트의 선기어에 연결되어 있는 제 2 모터;
로 이루어져 있는 것을 특징으로 하는 하이브리드 변속기.The first motor
A first differential connected between said first motor and a ring gear of said planetary gear set; And
A second motor coupled to the sun gear of the planetary gear set;
And wherein the first and second clutches are connected to each other.
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CN111572328A (en) * 2020-05-20 2020-08-25 哈尔滨东安汽车发动机制造有限公司 Hybrid vehicle driving device

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