KR100774659B1 - Power train of a hybrid vehicle - Google Patents

Power train of a hybrid vehicle Download PDF

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Publication number
KR100774659B1
KR100774659B1 KR1020060099694A KR20060099694A KR100774659B1 KR 100774659 B1 KR100774659 B1 KR 100774659B1 KR 1020060099694 A KR1020060099694 A KR 1020060099694A KR 20060099694 A KR20060099694 A KR 20060099694A KR 100774659 B1 KR100774659 B1 KR 100774659B1
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South Korea
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planetary
torque converter
clutch
connected
input shaft
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KR1020060099694A
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Korean (ko)
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황경원
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현대자동차주식회사
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/62Hybrid vehicles
    • Y02T10/6295Other types of combustion engine

Abstract

A powertrain of hybrid vehicle is provided to prevent the vehicle started on an inclined road from rolling back with relatively small energy by installing a one-way clutch to restrain a sun gear of a planetary gear set from being reversely rotated by a reverse rotating input shaft of a transmission. A powertrain of a hybrid vehicle comprises a torque converter(5) having an impeller connected to an engine(3) through a torque converter case(1), a motor(9) installed between the torque converter and a transmission device(7), an engine clutch(11) connecting or disconnecting a turbine of the torque converter and an input shaft(21) of the transmission device, a planetary gear set(13) having a ring gear connected to a rotor of the motor and a carrier connected to the input shaft of the transmission device, a planetary clutch(15) connecting or disconnecting a ring gear and a carrier of the planetary gear set, a planetary brake(17) regulating a sun gear to be at stationary or rotating, and a one-way clutch(19) restraining the sun gear from being rotated by the reverse rotating input shaft of the transmission device. A controller(25) controls the planetary clutch and the planetary brake. A speed sensor(27) providing the speed of the vehicle and an angle inclination sensor(29) are connected to the controller.

Description

하이브리드 차량의 파워트레인{power train of a hybrid vehicle} Power train of a hybrid vehicle power train of a hybrid vehicle} {

도 1은 본 발명에 따른 하이브리드 차량의 파워트레인을 도시한 구조도이다. Figure 1 is a graph showing a power train of a hybrid vehicle according to the invention structural view.

<도면의 주요 부분에 대한 부호의 간단한 설명> <Brief Description of the Related Art>

1; One; 토크컨버터케이스 3; A torque converter case 3; 엔진 engine

5; 5; 토크컨버터 7; The torque converter 7; 변속기구 Transmission mechanism

9; 9; 모터 11; The motor 11; 엔진클러치 Engine clutch

13; 13; 유성기어세트 15; The planetary gear set 15; 유성클러치 Planetary clutch

17; 17; 유성브레이크 21; Oil brake 21; 입력축 The input shaft

19; 19; 원웨이클러치 23; The one-way clutch 23; 록업클러치 The lockup clutch

25; 25; 컨트롤러 27; Controller 27; 속도센서 Speed ​​Sensor

29; 29; 경사각센서 Inclination Sensors

본 발명은 하이브리드 차량의 파워트레인에 관한 것으로서, 보다 상세하게는 모터와 엔진을 이용한 하이브리드 차량이 등판로에서 정차후 출발시 후방으로 차량이 밀리는 것을 방지하도록 하는 파워트레인의 구조에 관한 기술이다. The present invention relates to a power train of a hybrid vehicle, and more particularly to a description of the structure of a power train of the vehicle so as to prevent being pushed backward when starting after a stop at the back panel hybrid vehicle using a motor and an engine.

모터와 엔진을 이용한 하이브리드 파워트레인을 탑재한 차량은 정차시에 엔진을 정지시키고, 출발시에 모터에 의해 차량을 출발시켜서 엔진의 공회전에 의한 연료의 낭비를 억제하고 배기가스의 배출을 축소하도록 하는 아이들스톱(idle stop) 기능을 사용하는 경우가 많다. Equipped with a hybrid power train with the motor and the engine, the vehicle stops the engine at the time of stop, which thereby starting the vehicle by the motor during starting suppressing fuel waste by the idling of the engine and to reduce the emission of exhaust gas often using the idle stop (idle stop) function.

그런데, 상기한 바와 같은 파워트레인을 탑재한 차량이 등판로에 정차했다가 출발하는 경우에, 운전자가 브레이크페달에서 발을 떼고 가속페달을 밟는 사이에 구동륜에는 구동토크가 제공되지 않게 되어 차량이 후방으로 밀리게 되는 경우가 발생한다. By the way, in the case where equipped with a power train vehicle as described above departing was stopped on a backing, the driver is not between keeping the brake pedal stepping on the accelerator pedal drive wheel there is provided a driving torque the vehicle is rear If it is pushed to occur.

상기한 바와 같은 경우에 대비하여, 종래에는 별도의 후방밀림 방지장치를 채용하는 경우가 많은데, 이는 파워트레인의 부품수를 증가시키고 구성을 복잡하게 하며 비용을 증가하게 하는 요인이 되며, 구조에 따라서는 에너지의 소비가 커서 차량의 연비를 저하시키는 원인이 되기도 한다. In case as described above, in the prior art, lot the case of employing a separate prevent rearward advance device, which is a factor that increases the number of parts of the power train and complicates the configuration and increases costs, and thus the structure are sometimes the cause of a large consumption of energy lower the fuel economy of the vehicle.

본 발명은 상기한 바와 같은 문제점을 해결하기 위하여 안출된 것으로서, 비교적 간단한 구성으로 하이브리드 차량이 등판로에 정차했다가 출발하는 경우에 비교적 적은 에너지의 소비로 차량이 후방으로 밀리지 않도록 한 하이브리드 차량의 파워트레인을 제공함에 그 목적이 있다. The present invention is conceived to solve the problems as described above, a relatively simple configuration in a hybrid vehicle of a hybrid vehicle is a vehicle to consume a relatively small amount of energy if starting has stopped on a backing so pushed rearward power to provide a train, it is an object.

상기한 바와 같은 목적을 달성하기 위한 본 발명 하이브리드 차량의 파워트 레인은 Power bit lane of the invention the hybrid vehicle to achieve the object described above,

토크컨버터케이스를 통해 엔진에 연결된 임펠러를 구비한 토크컨버터와; A torque converter having an impeller connected to the engine via the torque converter case;

상기 토크컨버터와 변속기구 사이에 설치된 모터와; Motor and provided between the gu transmission and the torque converter;

상기 토크컨버터의 터빈과 상기 변속기구의 입력축 사이를 연결 및 차단시킬 수 있도록 구비된 엔진클러치와; And an engine clutch having to be able to connect and block between the torque converter turbine and the transmission mechanism input shaft;

상기 모터의 로터에 링기어가 연결되고 캐리어가 상기 변속기구의 입력축에 연결된 유성기어세트와; The ring gear connected to the rotor of the motor and the planetary gear set a carrier is connected to the input shaft and the transmission mechanism;

상기 유성기어세트의 링기어와 캐리어를 서로 연결 및 차단시킬 수 있도록 설치된 유성클러치와; It said planetary gear set of the ring gear and the planetary clutch is installed so that the carrier can be connected with each other and isolated from the;

상기 유성기어세트의 선기어를 고정된 상태와 회전 가능한 상태로 조절하도록 설치된 유성브레이크와; Oil brake is installed to adjust the sun gear of the planetary gear set in a fixed state and a rotatable state;

상기 변속기구의 입력축이 역회전하는 방향으로는 상기 유성기어세트의 선기어의 회전을 억제하도록 설치된 원웨이클러치; The transmission input shaft is rotated in the direction to the sphere reverse one-way clutch is provided so as to suppress the rotation of the sun gear of the planetary gear set;

를 포함하여 구성된 것을 특징으로 한다. And it is characterized in that is configured including a.

이하, 첨부된 도면을 참조하여 본 발명의 바람직한 실시예를 설명하면 다음과 같다. Turning to the preferred embodiment described below, the present invention will be described with reference to the accompanying drawings as follows.

도 1을 참조하면, 본 발명 실시예는 토크컨버터케이스(1)를 통해 엔진(3)에 연결된 임펠러를 구비한 토크컨버터(5)와; 1, and the present invention embodiment is a torque converter case 1, a torque converter (5) having an impeller connected to the engine 3 through; 상기 토크컨버터(5)와 변속기구(7) 사이에 설치된 모터(9)와; A motor (9) disposed between the torque converter 5 and the transmission mechanism (7) and; 상기 토크컨버터(5)의 터빈과 상기 변속기구(7)의 입력축 사이를 연결 및 차단시킬 수 있도록 구비된 엔진클러치(11)와; And an engine clutch (11) provided so as to connect and block between the input shaft of the turbine and the transmission mechanism (7) of the torque converter (5); 상기 모터(9)의 로터 에 링기어가 연결되고 캐리어가 상기 변속기구(7)의 입력축에 연결된 유성기어세트(13)와; And the planetary gear set 13 is connected to the input shaft of the motor 9, the ring gear connected to the rotor and the carrier with the transmission mechanism (7) of the; 상기 유성기어세트(13)의 링기어와 캐리어를 서로 연결 및 차단시킬 수 있도록 설치된 유성클러치(15)와; The planetary gearset planetary clutch 15 mounted to the ring gear and the carrier 13 can be connected to each other and isolated from the; 상기 유성기어세트(13)의 선기어를 고정된 상태와 회전 가능한 상태로 조절하도록 설치된 유성브레이크(17)와; The planetary gearset planetary brake 17 provided to regulate a fixed state with the sun gear rotatable in the state (13) and; 상기 변속기구(7)의 입력축(21)이 역회전하는 방향으로는 상기 유성기어세트(13)의 선기어의 회전을 억제하도록 설치된 원웨이클러치(19)를 포함하여 구성된다. In the direction of the input shaft 21 of the transmission mechanism (7) is rotated station is configured to include a one-way clutch 19 is provided so as to suppress the rotation of the sun gear of said planetary gear set (13).

여기서, 상기 변속기구(7) 입력축(21)의 정회전 방향은 차량이 전진 주행하도록 상기 모터(9) 또는 엔진에서 변속기구(7) 입력축(21)을 구동하는 방향을 말하며, 역회전하는 방향은 그 반대방향을 말하는 바, 차량이 등판로에서 자중에 의해 후방으로 밀리게 되면 역으로 구동륜으로부터 제공되는 회전력에 의해 상기 변속기구(7)의 입력축(21)이 회전하는 방향을 말한다. Here, the positive rotation direction of the transmission mechanism 7, the input shaft (21) refers to a direction that drives the transmission mechanism 7, the input shaft 21 by the motor 9 or the engine so that the vehicle is running forward, the reverse rotation direction to refers to a direction in which the input shaft 21 of the transmission mechanism 7 is rotated by the rotational force provided from the driving wheels in reverse when pushed rearward by its own weight in the opposite direction to the bar, the vehicle starts talking.

상기 토크컨버터(5)의 내부에는 터빈과 토크컨버터케이스(1) 사이에 설치되는 록업클러치(23)가 개략적으로 도시되어 있다. The interior of the torque converter (5) has a lockup clutch 23 disposed between the turbine and the torque converter case 1 is schematically illustrated.

상기 유성클러치(15)와 유성브레이크(17)를 제어하는 컨트롤러(25)가 구비되어 있으며, 상기 컨트롤러(25)에는 차량의 속도 정보를 제공하는 속도센서(27)와, 차량이 등판로에 있음을 감지하여 전달하는 경사각센서(29)가 연결된 구조이다. That with the planetary clutch 15 and the oil-based brake and is provided with a controller 25 for controlling the 17 and the controller 25, the speed sensor 27 which provides speed information of the vehicle, on a vehicle is backing the tilt angle sensor 29 is connected to structure for delivering to detect.

물론, 상기 유성클러치(15)와 유성브레이크(17)는 유압식으로 작동될 수도 있으며, 그러한 경우에는 별도의 유압밸브수단을 상기 컨트롤러(25)가 제어하여 간접적으로 상기 유성클러치(15)와 유성브레이크(17)의 작동을 제어할 수 있으며, 이 경우 상기 모터(9)와 엔진의 구동에 무관하게 유압을 발생시킬 수 있는 별도의 전동식유압펌프가 사용되어야 할 것이다. Of course, there may be operated with the planetary clutch 15 and the oil brake (17) is hydraulic, in such a case include the separate hydraulic valve means controller 25 is indirectly the planetary clutch 15 to control the oil-based brake to control the operation of the (17), in which case would have a separate motor-driven hydraulic pump which can occur independently of the hydraulic pressure to the driving of the motor 9 and the engine must be used.

상기한 바와 같이 구성된 파워트레인을 탑재한 차량이 등판로에 정차하면, 상기 컨트롤러(25)는 상기 속도센서(27)와 경사각센서(29)의 신호에 의해 차량이 등판로에 정차했는지를 판단하게 된다. If stops at a in the vehicle starts with the power train constructed as described above, the controller 25 is to determine if the vehicle is stopped on a backing by a signal from the speed sensor 27 and the inclination angle sensor 29 do.

차량이 등판로에 정차한 경우, 상기 컨트롤러(25)는 상기 유성클러치(15)를 체결하도록 제어하고, 상기 유성브레이크(17)는 해제된 상태를 유지한다. If the vehicle is stopped on a backing, wherein the controller (25) controls to engage the planetary clutch 15, the oil brake (17) maintains a disabled state.

상기와 같이 유성클러치(15)가 체결되면, 상기 유성기어세트(13)의 링기어와 캐리어가 일체로 연결되므로, 상기 유성기어세트(13)의 각 요소는 서로 잠기게 되어, 유성기어세트(13)는 전체가 하나의 단일체가 되어 회전할 수 있게 된다. When the planetary clutch 15 is fastened as described above, the ring gear and the carrier of the planetary gear set 13 is to therefore integrally connected to each element of the planetary gear set 13 is locked to each other, the planetary gear set ( 13) is capable of rotating the whole is a single monolithic.

상기한 바와 같은 상태에서 운전자가 브레이크페달에서 발을 떼어도 상기 원웨이클러치(19)에 의해 차량은 후방으로 밀리지 않게 된다. Also the driver in a state as described above, released the brake pedal the vehicle by the one-way clutch 19 is not pushed rearward.

즉, 상기 변속기구(7) 입력축(21)이 구동륜으로부터 제공된 회전력으로 역회전하려고 할 때, 상기 변속기구(7) 입력축(21)과 일체화된 유성기어세트(13)는 상기 선기어가 상기 원웨이클러치(19)에 의해 회전이 억제되어 있어서, 결과적으로 변속기구(7)의 입력축(21)은 물론 구동륜의 회전을 억제하도록 하는 것이다. That is, the transmission mechanism 7, the input shaft (21) when trying to reverse rotation by the rotational force given from the drive wheel, the transmission mechanism 7, the input shaft 21 and the planetary gear set 13 is integrated with the said sun gear is the one-way in this rotation it is restrained by the clutch 19, which will result in the input shaft 21 of the transmission mechanism (7) as well as to suppress the rotation of the drive wheel.

이때, 상기와 같이 등판로에서 차량의 후방밀림이 방지되도록 하는 데에는 상기 유성클러치(15)만을 체결상태로 유지하면 되므로 에너지의 소비가 작아 연비에 유리하게 된다. At this time, if held in a fastening state only the planetary clutch 15 such that the rear There jungle prevent the vehicle from a back panel as described above is advantageous because the fuel economy in the consumption of energy low.

운전자가 가속페달을 밟아 차량을 출발시키면, 상기 컨트롤러(25)는 상기 모터(9)를 구동하면서 상기 유성브레이크(17)를 체결하고 상기 유성클러치(15)를 해제하여, 상기 모터(9)에서 출력된 동력이 상기 링기어로 입력되어 감속된 후 캐리어로 출력되어 상기 변속기구(7) 입력축(21)에 제공되도록 함으로써, 모터(9)에서 출력된 회전력의 토크를 증배하여 차량의 출발 초기에 충분한 구동토크를 제공할 수 있도록 한다. When starting the vehicle the driver is stepping on the accelerator pedal, the controller 25 is by and driving the motor (9) fastened to the oil brake (17) and releasing the oil clutch 15, by the motor 9 after the output power of speed reduction is input to the ring gear is output to the carrier by that provided in the transmission mechanism 7, the input shaft 21, by multiplying the torque of the output rotational force from the motor 9 for starting the initial vehicle and to provide sufficient driving torque.

이상과 같이 본 발명에 의하면, 비교적 간단한 구성으로 하이브리드 차량이 등판로에 정차했다가 출발하는 경우에 비교적 적은 에너지의 소비만으로 차량이 후방으로 밀리지 않도록 함으로써, 운전의 편의성 및 안전성을 경제적으로 향상시킬 수 있도록 한다. According to the present invention as described above, can be relatively simple configuration hybrid vehicle is the vehicle, economically improves the ease and safety of operation by preventing pushed rearward only by the consumption of a relatively small amount of energy when the starting is made stationary in a backing with a so.

Claims (2)

  1. 토크컨버터케이스를 통해 엔진에 연결된 임펠러를 구비한 토크컨버터와; A torque converter having an impeller connected to the engine via the torque converter case;
    상기 토크컨버터와 변속기구 사이에 설치된 모터와; Motor and provided between the gu transmission and the torque converter;
    상기 토크컨버터의 터빈과 상기 변속기구의 입력축 사이를 연결 및 차단시킬 수 있도록 구비된 엔진클러치와; And an engine clutch having to be able to connect and block between the torque converter turbine and the transmission mechanism input shaft;
    상기 모터의 로터에 링기어가 연결되고 캐리어가 상기 변속기구의 입력축에 연결된 유성기어세트와; The ring gear connected to the rotor of the motor and the planetary gear set a carrier is connected to the input shaft and the transmission mechanism;
    상기 유성기어세트의 링기어와 캐리어를 서로 연결 및 차단시킬 수 있도록 설치된 유성클러치와; It said planetary gear set of the ring gear and the planetary clutch is installed so that the carrier can be connected with each other and isolated from the;
    상기 유성기어세트의 선기어를 고정된 상태와 회전 가능한 상태로 조절하도록 설치된 유성브레이크와; Oil brake is installed to adjust the sun gear of the planetary gear set in a fixed state and a rotatable state;
    상기 변속기구의 입력축이 역회전하는 방향으로는 상기 유성기어세트의 선기어의 회전을 억제하도록 설치된 원웨이클러치; The transmission input shaft is rotated in the direction to the sphere reverse one-way clutch is provided so as to suppress the rotation of the sun gear of the planetary gear set;
    를 포함하여 구성된 것을 특징으로 하는 하이브리드 차량의 파워트레인. Power train of a hybrid vehicle, characterized in that configured to include.
  2. 청구항 1에 있어서, The method according to claim 1,
    상기 유성클러치와 유성브레이크를 제어하는 컨트롤러가 구비되며; It is equipped with a controller for controlling the planetary clutch and brake oil;
    상기 컨트롤러에는 차량의 속도 정보를 제공하는 속도센서와, 차량이 등판로에 있음을 감지하여 전달하는 경사각센서가 연결된 것 The controller will pass a tilt angle sensor for the speed sensor that provides speed information of the vehicle, it detects that the vehicle is connected to the back panel
    을 특징으로 하는 하이브리드 차량의 파워트레인. Power train of a hybrid vehicle, characterized by.
KR1020060099694A 2006-10-13 2006-10-13 Power train of a hybrid vehicle KR100774659B1 (en)

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US5562565A (en) * 1992-11-27 1996-10-08 Kabushikikaisha Equos Research Power transmission system in a hybrid vehicle
US5887670A (en) * 1996-05-16 1999-03-30 Toyota Jidosha Kabushiki Kaisha Vehicle power transmitting system having devices for electrically and mechanically disconnecting power source and vehicle drive wheel upon selection of neutral state
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US5562565A (en) * 1992-11-27 1996-10-08 Kabushikikaisha Equos Research Power transmission system in a hybrid vehicle
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