KR20180038614A - Charge system of battery for vehicle - Google Patents

Charge system of battery for vehicle Download PDF

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Publication number
KR20180038614A
KR20180038614A KR1020160129211A KR20160129211A KR20180038614A KR 20180038614 A KR20180038614 A KR 20180038614A KR 1020160129211 A KR1020160129211 A KR 1020160129211A KR 20160129211 A KR20160129211 A KR 20160129211A KR 20180038614 A KR20180038614 A KR 20180038614A
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KR
South Korea
Prior art keywords
generator
vehicle
power source
shaft
input shaft
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KR1020160129211A
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Korean (ko)
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정익재
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현대위아 주식회사
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Priority to KR1020160129211A priority Critical patent/KR20180038614A/en
Publication of KR20180038614A publication Critical patent/KR20180038614A/en

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    • B60L11/02—
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/10—Electric propulsion with power supplied within the vehicle using propulsion power supplied by engine-driven generators, e.g. generators driven by combustion engines
    • 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
    • B60K17/00—Arrangement or mounting of transmissions in vehicles
    • B60K17/34—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles
    • 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
    • B60K6/28—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 electric energy storing means, e.g. batteries or capacitors
    • B60L11/1809—
    • 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
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/50—Charging stations characterised by energy-storage or power-generation means
    • B60L53/53—Batteries
    • B60L2230/30—
    • 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
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • Y02T10/7005—
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/12—Electric charging stations

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

Abstract

Disclosed is a battery charging system for a vehicle which comprises: a power source for generating a driving force; a decelerator system positioned on a rear wheel side of a vehicle, distributing power transferred from the power source to left and right wheels when driving in a 4WD mode, and receiving a rotary force of the rear wheel when driving in a 2WD mode; a generator for generating electric energy by being connected to an input shaft of the decelerator system to rotate a rotary shaft when rotating the input shaft; and a battery connected to the generator, and storing the electric energy generated from the generator.

Description

차량의 배터리 충전시스템 {CHARGE SYSTEM OF BATTERY FOR VEHICLE}{CHARGE SYSTEM OF BATTERY FOR VEHICLE}

본 발명은 모터가 동력원으로 포함되는 차량에 있어서, 차량의 주행시 배터리가 충전되도록 하는 구성을 포함함으로써, 차량의 주행거리를 증대시키고, 배터리의 효율을 향상시킬 수 있는 차량의 배터리 충전시스템에 관한 것이다.The present invention relates to a vehicle battery charging system capable of increasing the running distance of a vehicle and improving the efficiency of the battery by including a configuration in which the motor is included as a power source and the battery is charged when the vehicle is running .

최근에는 동력원으로 내연기관만이 아니라, 내연기관과 모터 혹은 모터만을 동력원으로 사용하는 차량의 개발이 증가되고 있다. 이러한 차량의 경우에는 소음이 적게 발생되고, 배기가스가 줄어들어 친환경적인 장점이 있다. In recent years, development of a vehicle using only an internal combustion engine and a motor or a motor as a power source has been increasing not only as an internal combustion engine but also as a power source. In the case of such a vehicle, there is an advantage that the noise is small and the exhaust gas is reduced, thereby being environmentally friendly.

동력원으로 사용되는 모터를 구동하기 위하여는 배터리팩이 장착되게 되는데, 복수의 배터리가 직렬 또는 병렬로 연결되어 동력원에 필요한 적정전압을 제공하게 된다. 그러나 이러한 차량의 경우에는 내연기관만으로 구성된 차량에 비해 배터리의 충전 후 주행거리가 짧고 충전이 번거로워 차량의 연비향상에 제약을 받고 있다.In order to drive a motor used as a power source, a battery pack is mounted. A plurality of batteries are connected in series or in parallel to provide an appropriate voltage necessary for the power source. However, in the case of such a vehicle, the mileage after charging the battery is short and the charging is troublesome compared to the vehicle constructed only of the internal combustion engine, thereby limiting the fuel efficiency of the vehicle.

그러한 문제를 개선하기 위하여 회생제동을 통해 배터리를 충전하기도 하나 그러한 것만으로는 여전히 충전량이 부족한 실정이다.In order to solve such a problem, the battery may be charged through the regenerative braking, but the charge amount is still insufficient.

상기의 배경기술로서 설명된 사항들은 본 발명의 배경에 대한 이해 증진을 위한 것일 뿐, 이 기술분야에서 통상의 지식을 가진자에게 이미 알려진 종래기술에 해당함을 인정하는 것으로 받아들여져서는 안 될 것이다.It should be understood that the foregoing description of the background art is merely for the purpose of promoting an understanding of the background of the present invention and is not to be construed as an admission that the prior art is known to those skilled in the art.

JPJP 2001-2687062001-268706 AA

본 발명은 이러한 문제점을 해결하기 위하여 제안된 것으로, 일반적인 배터리의 충전방법 외에 배터리의 충전방법을 개선하여 차량의 주행거리를 증대시킬 수 있으면서도, 연비를 향상시킬 수 있는 차량의 배터리 충전시스템을 제공하는데 그 목적이 있다.The present invention has been proposed in order to solve such a problem and provides a battery charging system for a vehicle which can improve a mileage of a vehicle by improving a charging method of a battery in addition to a general charging method of a battery, It has its purpose.

상기의 목적을 달성하기 위한 본 발명에 따른 차량의 배터리 충전시스템은 구동력을 발생시키는 동력원; 차량의 후륜측에 위치되고, 4WD 모드로 구동시 동력원으로부터 전달되는 동력을 좌우측 차륜에 분배하고, 2WD모드로 구동시 후륜의 회전력이 입력되는 감속기시스템; 상기 감속기시스템의 입력축과 연결되어 입력축의 회전시 회전축이 회전됨으로써, 전기에너지를 발생하는 발전기; 및 상기 발전기와 연결되어 상기 발전기로부터 발생된 전기에너지가 저장되는 배터리;를 포함한다.According to an aspect of the present invention, there is provided a battery charging system for a vehicle, including: a power source for generating a driving force; A decelerator system which is located on the rear wheel side of the vehicle and distributes the power transmitted from the power source to the right and left wheels when driven in the 4WD mode and receives the rotational force of the rear wheels when driven in the 2WD mode; A generator connected to the input shaft of the speed reducer system to generate electric energy by rotating the rotary shaft when the input shaft rotates; And a battery connected to the generator and storing electric energy generated from the generator.

상기 감속기시스템의 입력축과 상기 발전기의 회전축은 하나의 샤프트일 수 있다.The input shaft of the speed reducer system and the rotary shaft of the generator may be a single shaft.

상기 감속기시스템은 동력원으로부터 전달되는 동력이 입력되는 입력축과 입력된 동력이 복수의 기어를 통해 차륜으로 출력되는 출력축으로 구성되어 동력원으로부터 입력된 동력을 차륜으로 전달하되, 2WD모드에서는 상기 차륜의 회전시 차륜의 회전력이 출력축을 통해 복수의 기어를 회전시킨 후 상기 입력축으로 전달되어 상기 발전기의 회전축을 회전시킬 수 있다.The speed reducer system includes an input shaft through which power transmitted from a power source is input and an output shaft through which the input power is output to the wheels through a plurality of gears to transmit the power input from the power source to the wheels. The rotational force of the wheel can be transmitted to the input shaft after rotating the plurality of gears through the output shaft to rotate the rotary shaft of the generator.

상기 감속기시스템의 기어비는 10:1 이상일 수 있다.The gear ratio of the speed reducer system may be 10: 1 or more.

상술한 바와 같은 구조로 이루어진 차량의 배터리 충전시스템에 따르면, 별도의 액션없이도 차량의 주행만으로도 발전기에 의해 배터리가 충전되어 차량의 주행거리가 증대되고 연비가 향상되는 효과가 있다.According to the battery charging system of the vehicle having the above-described structure, the battery is charged by the generator even when the vehicle is running without any additional action, thereby increasing the travel distance of the vehicle and improving the fuel economy.

도 1은 본 발명의 일 실시예에 따른 차량의 배터리 충전시스템이 장착된 차량을 도시한 도면.
도 2는 도 1의 A부분의 상세도.BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a view showing a vehicle equipped with a battery charging system of a vehicle according to an embodiment of the present invention; Fig.
2 is a detailed view of a portion A in Fig.

이하에서는 첨부된 도면을 참조하여 본 발명의 바람직한 실시 예에 따른 차량의 배터리 충전시스템에 대하여 살펴본다.Hereinafter, a battery charging system for a vehicle according to a preferred embodiment of the present invention will be described with reference to the accompanying drawings.

도 1은 본 발명의 일 실시예에 따른 차량의 배터리 충전시스템이 장착된 차량을 도시한 도면이고, 도 2는 도 1의 A부분의 상세도이다. 또한, 도 1 내지 2에서 점선화살표는 동력의 흐름을 나타낸다.FIG. 1 is a view showing a vehicle equipped with a battery charging system for a vehicle according to an embodiment of the present invention, and FIG. 2 is a detailed view of a portion A of FIG. Further, the dotted arrows in Figs. 1 to 2 indicate the flow of power.

본 발명의 바람직한 일실시예에 따른 차량의 배터리 충전시스템은 구동력을 발생시키는 동력원(100); 차량의 후륜(300)측에 위치되고, 4WD 모드로 구동시 동력원(100)으로부터 전달되는 동력을 좌우측 차륜에 분배하고, 2WD모드로 구동시 후륜(300)의 회전력이 입력되는 감속기시스템(700); 상기 감속기시스템(700)의 입력축(710)과 연결되어 입력축(710)의 회전시 회전축(910)이 회전됨으로써, 전기에너지를 발생하는 발전기(900); 및 상기 발전기(900)와 연결되어 상기 발전기(900)로부터 발생된 전기에너지가 저장되는 배터리(800);를 포함한다.A battery charging system for a vehicle according to a preferred embodiment of the present invention includes a power source (100) for generating a driving force; A speed reducer system 700 which is located on the rear wheel 300 side of the vehicle and distributes the power transmitted from the power source 100 to the left and right wheels when driving in the 4WD mode and receives the rotational force of the rear wheel 300 when driving in the 2WD mode, ; A generator 900 coupled to the input shaft 710 of the speed reducer system 700 to generate electric energy by rotating the rotary shaft 910 when the input shaft 710 rotates; And a battery 800 connected to the generator 900 and storing the electric energy generated from the generator 900.

본 발명의 차량의 배터리 충전시스템은 상기 동력원(100)이 모터만인 전기자동차 또는 상기 동력원(100)이 모터와 내연기관이 함께 장착된 하이브리드자동차 등에 적용될 수 있을 것이다. 단, 본 명세서에서는 도 1 내지 2에 도시한 것처럼, 상기 동력원(100)이 모터인 경우를 예를 들어 설명하도록 하나, 내연기관이 함께 장착된 하이브리드 자동차에도 충분히 적용 가능할 것이다. 또한, 본 발명은 2WD모드를 포함하는 4WD 또는 AWD가 장착된 차량에 적용될 수 있을 것이다.The battery charging system of the vehicle of the present invention may be applied to an electric vehicle in which the power source 100 is a motor alone or a hybrid vehicle in which the power source 100 is a motor and an internal combustion engine. Here, as shown in Figs. 1 and 2, the case where the power source 100 is a motor will be described as an example. However, the present invention can be sufficiently applied to a hybrid vehicle equipped with an internal combustion engine. Further, the present invention may be applied to a vehicle equipped with a 4WD or AWD including a 2WD mode.

따라서, 상기 감속기시스템(700)은 상기 동력원(100)으로부터 전달되는 동력이 입력되는 상기 입력축(710)과 입력된 동력이 복수의 기어(730)를 통해 상기 차륜으로 출력되는 출력축(750)으로 구성되어 4WD모드에서는 상기 동력원(100)으로부터 입력된 동력을 상기 차륜으로 분배하여 전달한다. 그러나 4WD모드가 아닌 2WD모드에서는 상기 차륜의 회전시 상기 차륜의 회전력이 상기 출력축(750)을 통해 상기 감속기시스템(700)으로 입력되도록 한다. 따라서, 상기 출력축(750)을 통해 입력된 회전력은 상기 복수의 기어(730)를 회전시킨 후 상기 입력축(710)으로 전달되어 상기 발전기(900)의 회전축(910)을 회전시킴으로써, 전기에너지를 발생시키고, 발생된 전기에너지를 상기 배터리(800)로 전달하여 저장하여 상기 동력원(100)을 구동시키는 에너지로 사용되는 것이다.Accordingly, the speed reducer system 700 includes the input shaft 710 to which the power transmitted from the power source 100 is input, and the output shaft 750 to which the input power is output to the wheel through the plurality of gears 730 In the 4WD mode, the power input from the power source 100 is distributed to the wheel and transmitted. However, in the 2WD mode other than the 4WD mode, the rotational force of the wheel is inputted to the speed reducer system 700 through the output shaft 750 when the wheel is rotated. The rotational force input through the output shaft 750 is transmitted to the input shaft 710 after rotating the plurality of gears 730 to rotate the rotational axis 910 of the generator 900 to generate electric energy And transmits the generated electric energy to the battery 800 and stores the electric energy to drive the power source 100.

여기서, 상기 상기 감속기시스템(700)의 입력축(710)과 상기 발전기(900)의 회전축(910)은 하나의 샤프트로 구성되는 것이 바람직할 것이다. 따라서, 상기 차륜으로부터 입력되는 회전력이 전달되어 상기 입력축(710)의 회전시 동시에 상기 회전축(910)이 회전되어 상기 발전기(900)를 구동시키게 되는 것이다. 상기 감속기시스템(700)은 기공지된 내용이므로, 상세한 설명은 생략한다. Here, the input shaft 710 of the speed reducer system 700 and the rotary shaft 910 of the generator 900 may be formed of a single shaft. Accordingly, when the input shaft 710 rotates, the rotation shaft 910 is rotated at the same time that the generator 900 is driven. Since the speed reducer system 700 is well known, detailed description thereof will be omitted.

또한, 상기 감속기시스템(700)의 기어비는 10:1 이상으로 설정하는 것이 바람직할 것이다. 따라서, 상기 차륜을 통해 입력된 회전력이 기어비에 의해 상기 입력축(710)으로 전달될 때에는 기어비를 통한 회전수가 증대되어 상기 차륜의 회전속도보다 상기 입력축(710)의 회전속도가 증대되어 상기 회전축(910)이 보다 빠르게 회전되므로써 상기 발전기(900)를 통해 전기에너지의 생산이 가능해지는 것이다.In addition, it is preferable that the gear ratio of the speed reducer system 700 is set to 10: 1 or more. Accordingly, when the rotational force inputted through the wheel is transmitted to the input shaft 710 by the gear ratio, the rotational speed increases through the gear ratio, so that the rotational speed of the input shaft 710 is higher than the rotational speed of the wheel, The electric power can be produced through the generator 900.

즉, 본 발명의 차량의 배터리 충전시스템은 종래와는 달리, 상기 감속기시스템(700)에 상기 발전기(900)를 구비하고, 2WD모드로 구동되어 상기 후륜(300)측의 감속기시스템(700)이 구동되지 않을 때, 상기 후륜(300)이 회전되는 회전력이 상기 감속기시스템(700)으로 입력되어 상기 출력축(750)이 회전되고, 상기 출력축(750)의 회전에 의해 상기 복수의 기어(730)들이 회전되어 상기 입력축(710)으로 전달된다. 이때, 기어비에 의해 회전수가 증대된 상태로 상기 회전축(910)이 회전됨으로써, 상기 발전기(900)에서 전기에너지가 발생되어 상기 배터리(800)에 충전된다.That is, unlike the related art, the battery charging system of the vehicle of the present invention includes the generator 900 in the speed reducer system 700 and is driven in the 2WD mode so that the speed reducer system 700 on the side of the rear wheel 300 The rotation of the rear wheel 300 is inputted to the speed reducer system 700 so that the output shaft 750 is rotated and the plurality of gears 730 are rotated by the rotation of the output shaft 750 And is transmitted to the input shaft 710. At this time, the rotating shaft 910 is rotated with the number of revolutions increased by the gear ratio, so that electric energy is generated in the generator 900 and charged in the battery 800.

따라서, 상기와 같은 본 발명의 차량의 배터리 충전시스템에 의하면, 별도의 액션없이도 차량의 주행만으로도 차륜의 회전에 의한 회전력이 발전기(900)를 발전하여 전기에너지를 생산함으로써, 주행거리가 증대되고 연비가 향상되는 효과가 있게 된다.Therefore, according to the battery charging system of the present invention as described above, the rotational force generated by the rotation of the wheel generates the electric energy by the rotation of the wheel even when the vehicle is running without any action, Is improved.

본 발명은 특정한 실시예에 관련하여 도시하고 설명하였지만, 이하의 특허청구범위에 의해 제공되는 본 발명의 기술적 사상을 벗어나지 않는 한도 내에서, 본 발명이 다양하게 개량 및 변화될 수 있다는 것은 당 업계에서 통상의 지식을 가진 자에게 있어서 자명할 것이다.While the present invention has been particularly shown and described with reference to specific embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the following claims It will be apparent to those of ordinary skill in the art.

100 : 동력원 300 : 후륜
500 : 전륜 700 : 감속기시스템
710 : 입력축 730 : 기어
750 : 출력축 800 : 배터리
900 : 발전기 910 : 회전축100: power source 300: rear wheel
500: Front wheel 700: Reduction gear system
710: input shaft 730: gear
750: Output shaft 800: Battery
900: generator 910: rotating shaft

Claims (4)

구동력을 발생시키는 동력원;
차량의 후륜측에 위치되고, 4WD 모드로 구동시 동력원으로부터 전달되는 동력을 좌우측 차륜에 분배하고, 2WD모드로 구동시 후륜의 회전력이 입력되는 감속기시스템;
상기 감속기시스템의 입력축과 연결되어 입력축의 회전시 회전축이 회전됨으로써, 전기에너지를 발생하는 발전기; 및
상기 발전기와 연결되어 상기 발전기로부터 발생된 전기에너지가 저장되는 배터리;를 포함하는 차량의 배터리 충전시스템.A power source for generating a driving force;
A decelerator system which is located on the rear wheel side of the vehicle and distributes the power transmitted from the power source to the right and left wheels when driven in the 4WD mode and receives the rotational force of the rear wheels when driven in the 2WD mode;
A generator connected to the input shaft of the speed reducer system to generate electric energy by rotating the rotary shaft when the input shaft rotates; And
And a battery connected to the generator to store electric energy generated from the generator. 청구항 1에 있어서,
상기 감속기시스템의 입력축과 상기 발전기의 회전축은 하나의 샤프트인 것을 특징으로 하는 차량의 배터리 충전시스템.The method according to claim 1,
Wherein the input shaft of the speed reducer system and the rotary shaft of the generator are one shaft. 청구항 1에 있어서,
상기 감속기시스템은 동력원으로부터 전달되는 동력이 입력되는 입력축과 입력된 동력이 복수의 기어를 통해 차륜으로 출력되는 출력축으로 구성되어 동력원으로부터 입력된 동력을 차륜으로 전달하되, 2WD모드에서는 상기 차륜의 회전시 차륜의 회전력이 출력축을 통해 복수의 기어를 회전시킨 후 상기 입력축으로 전달되어 상기 발전기의 회전축을 회전시키는 것을 특징으로 하는 차량의 배터리 충전시스템.The method according to claim 1,
The speed reducer system includes an input shaft through which power transmitted from a power source is input and an output shaft through which the input power is output to the wheels through a plurality of gears to transmit the power input from the power source to the wheels. Wherein the rotational force of the wheel rotates the plurality of gears through the output shaft, and is transmitted to the input shaft to rotate the rotational axis of the generator. 청구항 1에 있어서,
상기 감속기시스템의 기어비는 10:1 이상인 것을 특징으로 하는 차량의 배터리 충전시스템.The method according to claim 1,
Wherein the gear ratio of the reduction gear system is at least 10: 1.
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JP2010120481A (en) * 2008-11-19 2010-06-03 Nissan Motor Co Ltd Four-wheel drive switching control device for electric motor-driven type four-wheel drive vehicle
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