WO2012148184A2 - 전기 자동차를 위한 병렬 모터 시스템 - Google Patents
전기 자동차를 위한 병렬 모터 시스템 Download PDFInfo
- Publication number
- WO2012148184A2 WO2012148184A2 PCT/KR2012/003228 KR2012003228W WO2012148184A2 WO 2012148184 A2 WO2012148184 A2 WO 2012148184A2 KR 2012003228 W KR2012003228 W KR 2012003228W WO 2012148184 A2 WO2012148184 A2 WO 2012148184A2
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- WO
- WIPO (PCT)
- Prior art keywords
- electric vehicle
- motors
- gear device
- motor system
- wheel
- Prior art date
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- 230000008878 coupling Effects 0.000 claims description 13
- 238000010168 coupling process Methods 0.000 claims description 13
- 238000005859 coupling reaction Methods 0.000 claims description 13
- 238000002485 combustion reaction Methods 0.000 abstract description 10
- 238000009434 installation Methods 0.000 description 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 239000002803 fossil fuel Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000009420 retrofitting Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Images
Classifications
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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
- 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
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
- B60K17/043—Transmission unit disposed in on near the vehicle wheel, or between the differential gear unit and the wheel
-
- 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
- B60K7/00—Disposition of motor in, or adjacent to, traction wheel
- B60K7/0007—Disposition of motor in, or adjacent to, traction wheel the motor being electric
-
- 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
- B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
-
- 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
- B60K7/00—Disposition of motor in, or adjacent to, traction wheel
- B60K2007/003—Disposition of motor in, or adjacent to, traction wheel with two or more motors driving a single wheel
-
- 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
- B60K7/00—Disposition of motor in, or adjacent to, traction wheel
- B60K2007/0038—Disposition of motor in, or adjacent to, traction wheel the motor moving together with the wheel axle
-
- 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
- B60K7/00—Disposition of motor in, or adjacent to, traction wheel
- B60K2007/0061—Disposition of motor in, or adjacent to, traction wheel the motor axle being parallel to the wheel axle
Definitions
- the present invention is to be able to easily change the vehicle equipped with the internal combustion engine to an electric vehicle, and in particular, to provide an electric motor system configured to be connected at least two or more in parallel.
- the internal combustion engine of the currently used fossil fuel car is left as it is, and a separate electric motor and a small capacity battery are attached to the existing vehicle, and in particular, a method of driving using only the electric motor in urban areas has been proposed. Even if the maximum mileage from the battery is about 50 km, most users do not feel uncomfortable, and hybrid cars are provided that enable the use of an internal combustion engine immediately if more mileage is required or if highway driving is required.
- the present inventors have thought that the problem of installing an electric motor in a vehicle can be solved by mounting an in-wheel type motor inside the wheel of a tire.
- most cars have found that in order to attach the in-wheel motor with a space inside the wheel, it is necessary to lift the brake system and install a new brake system, thereby solving the safety problem. .
- the inventors envisioned a method in which a high-speed motor with a reduction gear is attached to a wheel shaft of a vehicle, rather than a direct-drive in-wheel motor, which is also attached to a suspension system at the rear of the knuckle. It was found that it was difficult to secure a space for the motor of sufficient output because the parts were combined.
- the present invention solves the problem of providing an electric motor installation structure for an electric vehicle that can install an electric motor of a conventional internal combustion engine vehicle with a minimum component change without a large structural change and thus a relatively low cost but sufficient output. I would like to.
- the inventors have found that the wheel hub assembly installed in an automobile has several small separate spaces around the rear of the knuckle with the wheel hub and brakes, and the electric motor installation can be installed in such a small space.
- the inventors of the present invention provide a rear shaft for connecting a gear device and a gear device for interlocking each of the motors in parallel with two or more small motors installed in correspondence to the space, in a separate small space as described above. It is configured and the rear axle comprises a connection for connection with the gear arrangement, providing a parallel motor system for retrofitting into an electric vehicle.
- the present invention as described above, by providing a parallel motor system that can be used without changing the structure of the vehicle, it has the advantage that can significantly reduce the retrofit cost by making it easy and convenient to retrofit an ordinary vehicle into an electric vehicle, Furthermore, it is possible to use the existing brake system without changing it, so that the vehicle can be modified without worrying about stability when driving the vehicle.
- FIG. 1 is a diagram illustrating a conventional wheel installation structure in which a wheel, a suspension device, and a wheel hub assembly are installed on a knuckle.
- Figure 2 is an exploded perspective view of the structure surrounding the wheel hub assembly of the structure shown in FIG.
- FIG. 3 is an exploded perspective view of a conventional wheel hub assembly
- FIG. 4 is a perspective view in which the rear shaft portion 14, which is an element of the present invention, is alternately coupled to the wheel hub assembly.
- FIG. 5 is an exploded perspective view of the wheel hub assembly of FIG.
- FIG. 6 is a perspective view showing a state in which two motors are linked by a gear device, and the gear device includes a hub shaft gear 61 coupled to the rear shaft portion 14;
- FIG. 7 is an exploded perspective view of one embodiment of a gear device
- FIG. 8 is an exploded perspective view of a motor system of the present invention coupled to a wheel hub assembly
- Figure 9 is an exploded view of the structure of the present invention installed in the knuckle
- the wheel hub assembly 1 installed in an automobile includes a wheel coupling in which a wheel 2 for coupling a tire and a brake disc 3 for braking are coupled, as shown in FIGS. 1, 2, and 3.
- a hub bearing 12 having a wheel coupling shaft portion 11 arranged therein and fixed to the knuckle 4;
- the wheel coupling shaft portion 11 is composed of a rear shaft portion 13 which is installed on the rear of the hub bearing 12 so as not to be separated from the hub bearing 12,
- the rear shaft portion 13 is composed of a rear shaft body 130 and the ABS sensor ring 131.
- the knuckle 4 is provided with a shock absorber 41 and a spring 42 to mitigate the impact from the ground, and to control the parking brake device 43 and the brake brake disc 3. Is installed.
- the inventors have found that there are several separate spaces, although not wide, around the rear knuckle 4 of the parking brake device 43, and the parallel consisting of two or more electric motors that can be installed in these small spaces. Providing a motor system has found that an internal combustion engine car can be converted into an electric vehicle at low cost and easily.
- the inventors of the present invention provide a wheel coupling shaft by interlocking two or more small motors 51, 52 and each of the motors 51, 52 in parallel to each of the small spaces as described above.
- a parallel electric motor system for an electric vehicle which is composed of a gear device 6 connected to the plate part 11 and a connection part for connecting the gear device 6 to the wheel coupling shaft plate part 11.
- the connecting portion includes: an extended body 1401 coupled to the wheel coupling shaft portion 11 and having a body extended and deformed for connection with the gear device 6; A key 1402 formed to protrude from the extended body 1401; And a coupling hole 610 of the hub shaft gear 61 installed in the hub shaft gear 61 of the gear device 6 to accommodate the extended body 1401 of the rear axle 14. It is preferably configured to include a key groove 611 installed inside the coupling hole 610.
- the rear shaft portion 14 is composed of an extended body 1401 and the ABS sensor ring 141 coupled thereto.
- the gear device 6 which transmits the power of the motors 51 and 52 to the rear axle 14 is constituted by a reduction device, which is illustrated in FIG.
- a power train is not limited to this embodiment.
- Reference numerals 661 and 662 denote shafts of the motor.
- the motors 51 and 52 and the gear device 6 as described above are fixedly installed in the knuckle 4 together with the hub bearing 12 described above in the housing.
- the present invention thus removes only the rear axle 13 from the wheel hub assembly 1 of an automobile for an internal combustion engine, and by alternatively combining the parallel motor system of the present invention with a corresponding modified rear axle 14, It makes it easy to change an internal combustion engine car to an electric car or a hybrid car.
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Power Engineering (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
Abstract
본 발명은, 주차브레이크장치(43)의 뒤쪽 너클(4) 주변의 공간에 설치되는 2개 이상의 모터(51, 52)와, 각 모터(51, 52)를 병렬로 연동시키어 차축에 연결하는 기어장치(6)와, 기어장치(6)를 휠 축에 연결하기 위한 뒷축부(14)로 구성되고, 뒷축부(14)는 뒷축부 몸체(140)와 이에 결합된 ABS센서링(141)을 가지며, 뒷축부 몸체(140)는 기어장치(6)와의 연결을 위한 연결부를 가지는 것을 특징으로 하는 전기 자동차를 위한 병렬 모터 시스템을 제공하여, 적은 비용으로 손쉽게 내연기관 자동차를 전기 자동차로 변경할 수 있게 하는 것임.
Description
본 발명은 내연기관이 설치된 자동차를 용이하게 전기 자동차로 변경 할 수 있게 하기 위한 것으로, 특히, 적어도 2개 이상의 병렬로 연결 구성된 전기 모터 시스템을 제공하고자 한다.
향후 화석연료의 고갈과 더불어 이산화 탄소 발생에 따른 환경 오염을 해결하고자, 전기 모터를 동력으로 사용하는 전기자동차를 개발하고 있으나, 에너지원으로 사용되는 배터리 용량에 관련하여 충분치 못한 주행거리와 가격 문제로 실용에 늦어지고 있다.
그리하여, 현재 사용하는 화석연료용 자동차의 내연기관은 그대로 두고 별도의 전기모터와 적은 용량의 배터리를 기존 차량에 부착하여, 특히 도심지 내에서는 전기모터만을 사용하여 주행하는 방식이 제시되고 있으며, 이 경우 배터리에 의한 최대 주행거리가 50 km정도만 되어도 대부분의 사용자들은 불편을 느끼지 않으며 만일 더 많은 주행거리가 필요하거나 고속도로 주행이 필요 할 경우 곧바로 내연기관을 사용 할 수 있도록 하는 하이브리드 자동차가 제공되고 있다.
내연기관을 장착한 승용차를 위와 같은 하이브리드 자동차로 개조를 하기 위하여는 전기모터를 장착할 공간이 필요한데 인라인(in-line) 형태로 모터를 설치하려 할 경우 기존 엔진이 장착되어있는 엔진 룸(room)주변에서 모터 설치를 위한 충분한 공간의 확보가 어렵다.
따라서 본 발명자는 자동차에의 전기 모터 설치 문제는 인 휠(in-wheel) 타입의 모터를 타이어의 휠(wheel) 내부에 장착하면 해결 할 수 있다고 생각하였다. 그러나, 대부분의 자동차는, 휠(wheel) 내부 공간이 브레이크 시스템으로 채워져 인 휠 모터를 부착하려면 브레이크 시스템을 들어내고 새로운 브레이크 시스템을 설치하여야 하며, 이에 따른 안전성문제를 해결하여야 한다는 문제가 있음을 알았다.
이에 본 발명자는 직구동형의 in-wheel 모터 보다는 자동차의 휠 축에 감속기어가 부착된 하나의 고속모터를 장착하는 방식을 구상 하였던 바, 이 역시 너클 뒷 부분에는 현가장치(suspension system)에 귀속된 여러 부품들이 어우러져 있어 충분한 출력의 모터를 넣을 수 있는 공간 확보가 곤란함을 알았다.
이에 본 발명은 기존의 내연기관 자동차를 큰 구조 변경 없이 최소한의 부품 변경으로 그리하여 상대적으로 저렴한 비용으로 그러나 충분한 출력을 가지는 전기 모터를 설치할 수 있는 전기 자동차용 전기 모터 설치 구조물을 제공하여야 한다는 과제를 해결하고자 한다.
본 발명자는 자동차에 설치된 휠 허브 어셈블리에는 휠 허브 및 브레이크가 부착된 너클 뒷쪽 주위에 상대적으로 크기가 작은 여러 개의 분리된 공간이 있음을 발견하였고, 이러한 분리된 작은 공간에 설치될 수 있는 전기 모터 설치 구조물을 제공하면, 운행 중인 내연기관 자동차를 적은 비용으로 또 용이하게 하이브리드 자동차로 변경할 수 있을 것으로 생각하였다. 그리하여, 본 발명자는, 위와 같은 분리된 작은 각각의 공간에, 그 공간에 대응하게 설치되는 작은 2개 이상의 모터와 각 모터를 병렬로 연동시키는 기어장치와 기어 장치를 휠 축에 연결하기 위한 뒷축부로 구성되고 뒷축부는 기어장치와의 연결을 위한 연결부를 포함하는 것을 특징으로 하는, 전기 자동차로의 개조를 위한 병렬 모터 시스템을 제공한다.
위와 같은 본 발명은, 자동차의 구조 변경 없이 사용할 수 있는 병렬 모터 시스템을 제공함으로써, 일반 자동차를 전기 자동차로 극히 용이하고 편리하게 개조할 수 있게 함으로서 개조 비용을 현격하게 줄일 수 있는 장점을 가지게 하며, 더욱이 기존의 브레이크 시스템을 변경함이 없이 사용할 수 있게 하여 차량 구동 시 안정성에 관한 우려 없이 차량을 개조할 수 있게 하는 장점이 있다.
도1은 너클에 휠과 현가 장치 및 휠허브어셈블리를 설치한 종래의 휠 설치 구조 설명도
도2는 도1에 도시된 구조물 중 휠허브어셈블리를 둘러 싼 구조물의 발췌 분해 사시도
도3은 종래의 휠허브어셈블리의 분해 사시도
도4는 휠허브어셈블리에 본 발명의 일 요소인 뒷축부(14)가 대체 결합된 상태 사시도
도5는 도4의 휠허브어셈블리의 분해 사시도
도6은 두개의 모터가 기어 장치에 의하여 연동되고, 기어장치가 뒷축부(14)에 결합되는 허브샤프트기어(61)를 포함하는 상태를 보여주는 사시도.
도7은 기어장치의 일 실시예의 발췌 사시도
도8은 본 발명의 모터시스템이 휠허브어셈블리에 결합되는 상태 분해 사시도
도9는 본 발명의 구조물이 너클에 설치되는 상태 분해도
자동차에 설치되는 휠허브어셈블리(1)는, 제1도, 제2도 및 제3도에 도시된 바와 같이, 타이어를 결합하는 휠(2) 및 제동용 브레이크 디스크(3)가 결합되는 휠결합축판부(11)와;
휠결합축판부(11)가 축설되고 너클(4)에 고정되는 허브베어링(12)과;
휠결합축판부(11)가 허브베어링(12)으로부터 이탈되지 아니하게 허브베어링(12)의 뒤쪽에 설치되는 뒷축부(13)로 구성되며,
뒷축부(13)는 뒷축부 몸체(130)와 ABS센서 링(131)으로 구성되어 있다.
그 외에 너클(4)에는 쇽압소버(41)와 스프링(42)이 설치되어 지면으로부터의 충격을 완화시키고, 주차브레이크 장치(43)와 제동용 브레이크 디스크(3)를 제어하는 캘리퍼(31)가 설치된다.
본 발명자는 주차브레이크 장치(43)의 뒷쪽 너클(4) 주변에 넓지는 아니하나 여러 개의 분리된 공간이 있음을 발견하였고, 이러한 분리된 작은 공간에 설치될 수 있는 두 개 이상의 전기 모터로 구성된 병렬모터 시스템을 제공하면, 내연기관 자동차를 적은 비용으로 또 용이하게 전기 자동차로 변경할 수 있음을 알아 내었다.
그리하여, 본 발명자는, 위와 같은 분리된 작은 각각의 공간에, 그 공간에 대응하게 설치되는 작은 2개 이상의 모터(51, 52)와, 각 모터(51, 52)를 병렬로 연동시키어 휠결합축판부(11)에 연결하는 기어장치(6)와, 기어장치(6)를 휠결합축판부(11)에 연결하기 위한 연결부로 구성되는 전기 자동차를 위한 병렬 전기 모터 시스템을 제공한다.
상기 연결부는, 휠결합축판부(11)에 결합되고 기어장치(6)와의 연결을 위해 몸체가 연장 변형된, 연장된몸체(1401)와; 연장된몸체(1401)에 돌출되게 형성된 키(1402); 및, 기어장치(6)의 허브샤프트기어(61)에 설치되어 뒷축부(14)의 연장된몸체(1401)가 수납되는 허브샤프트기어(61)의 결합공(610)과; 결합공(610) 내측에 설치된 키홈(611)을 포함하는 것으로 구성되는 것이 바람직하다.
따라서, 본 발명에 있어서, 뒷축부(14)는 연장된몸체(1401)와 이에 결합된 ABS센서링(141)으로 구성된다.
모터(51, 52)의 동력을 뒷축부(14)에 전달하는 기어 장치(6)는 감속장치로 구성되는 바, 그 일 실시예가 첨부된 도면 도7에 도시되어 있다. 그러나, 이러한 동력전달장치는 이러한 실시예에 한정하지 않음은 물론이다.
미설명 부호 661, 662는 모터의 축이다.
위와 같은 모터(51, 52)와 기어장치(6)는 하우징에 내장되어 상술한 허브베어링(12)과 함께 너클(4)에 고정 설치된다.
이와 같은 본 발명은, 내연기관용 자동차의 휠허브어셈블리(1)로부터, 뒷축부(13)만을 제거하고, 이에 상응하는 변형된 뒷축부(14)를 가지는 본 발명의 병렬 모터 시스템을 대체 결합함으로써, 내연기관 자동차를 간단히 전기 지동차 또는 하이브리드 자동차로 변경할 수 있게 한다.
Claims (2)
- 2개 이상의 모터(51, 52)와, 각 모터(51, 52)를 병렬로 연동시키어 휠결합축판부(11)에 연결하는 기어장치(6)와, 기어장치(6)를 휠결합축판부(11)에 연결하기 위한 연결부를 가지는 것을 특징으로 하는 전기 자동차를 위한 병렬 모터 시스템.
- 제1항에 있어서, 연결부는, 휠결합축판부(11)에 결합되고 기어장치(6)와의 연결을 위해 몸체가 연장 변형된, 연장된 몸체(1401)와; 연장된 몸체(1401)에 돌출되게 형성된 키(1402); 및, 기어장치(6)의 허브샤프트기어(61)에 설치되어 뒷축부(14)의 연장된 몸체(1401)가 수납되는 허브샤프트기어(61)의 결합공(610)과; 결합공(610)의 내측에 설치된 키홈(611)을 포함하는 것을 특징으로 하는 전기 자동차를 위한 병렬 모터 시스템.
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KR1020110040261A KR20120122216A (ko) | 2011-04-28 | 2011-04-28 | 전기 자동차를 위한 병렬 모터 시스템 |
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KR101875765B1 (ko) * | 2015-11-13 | 2018-07-06 | 한국전기연구원 | 회전구동장치 |
CN108116219A (zh) * | 2017-11-17 | 2018-06-05 | 深圳先进技术研究院 | 一种电动动力装置 |
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US6658954B1 (en) * | 2002-06-24 | 2003-12-09 | Logitech Europe S.A. | Dual motor phase controlled reversing transmission |
JP2005029116A (ja) * | 2003-07-11 | 2005-02-03 | Tcm Corp | 車両用駆動装置 |
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