KR100307089B1 - Incline running control device for continuously variable transmission for automobiles. - Google Patents
Incline running control device for continuously variable transmission for automobiles. Download PDFInfo
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- KR100307089B1 KR100307089B1 KR1019980050532A KR19980050532A KR100307089B1 KR 100307089 B1 KR100307089 B1 KR 100307089B1 KR 1019980050532 A KR1019980050532 A KR 1019980050532A KR 19980050532 A KR19980050532 A KR 19980050532A KR 100307089 B1 KR100307089 B1 KR 100307089B1
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- vehicle
- driving
- rotation direction
- transmission
- continuously variable
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 42
- 239000000843 powder Substances 0.000 claims abstract description 9
- 238000001514 detection method Methods 0.000 claims abstract description 3
- 230000002265 prevention Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 239000000446 fuel Substances 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units
- B60W30/18—Propelling the vehicle
- B60W30/18009—Propelling the vehicle related to particular drive situations
- B60W30/18109—Braking
- B60W30/18118—Hill holding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/02—Conjoint control of vehicle sub-units of different type or different function including control of driveline clutches
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W40/00—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models
- B60W40/02—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models related to ambient conditions
- B60W40/06—Road conditions
- B60W40/076—Slope angle of the road
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2300/00—Purposes or special features of road vehicle drive control systems
- B60Y2300/18—Propelling the vehicle
- B60Y2300/18008—Propelling the vehicle related to particular drive situations
- B60Y2300/18108—Braking
- B60Y2300/18116—Hill holding
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Control Of Transmission Device (AREA)
- Control Of Driving Devices And Active Controlling Of Vehicle (AREA)
Abstract
본 발명은 동력전달에 필요한 세컨더리풀리 일측에 정, 역회전을 감지하는 센서를 장착하여 현재주행상태에서 역회전신호가 감지될 경우 클러치의 결속력을 증가시켜 자동차가 후방으로 밀리는 것을 방지하여 원활한 주행상태를 제공합을 목적으로 하는 자동차용 무단변속기의 경사로 주행제어장치에 관한 것으로서;The present invention is equipped with a sensor for detecting the forward and reverse rotation on one side of the secondary pulley required for power transmission to increase the binding force of the clutch when the reverse rotation signal is detected in the current driving state to prevent the vehicle from being pushed to the rear smooth running state It relates to a ramp driving control device for a continuously variable transmission for a vehicle for the purpose of providing a;
자동차용 무단변속기에 구비되는 T.C.U(Transmission Control Unit;3)에T.C.U (Transmission Control Unit; 3) provided in the continuously variable transmission for automobiles
자동차엔진을 제어하는 엔진제어장치(E.C.U;4)와 자동차의 현재 주행방향(세컨더리플리의 회전방향)을 감지하는 회전방향감지센서(30)를 연결하여 경사로에서 자동차가 정차후 제출발시 경사면에 의해 자동차가 후방으로 밀릴경우;The engine control unit (ECU) 4 for controlling the vehicle engine and the rotation direction sensor 30 for detecting the current driving direction of the vehicle (secondary rotation) are connected to the inclined surface when the vehicle is submitted after the vehicle stops on the slope. When the car is pushed backwards;
세컨더리폴리에 장착된 회전방향감지센서(30)가 회정방향을 감지하여 변속기 모드와 상반된 회전방향이 검출되면 전자파우더클러치에 전류를 상승시켜 구동축과 의 체결력을 중대시켜 자동차가 후방으로 밀리는 것을 방지하는 것을 특징으로 하는 자동차용 무단변석기의 경사로 주행제어장치는 회전방향감지센서에 의해 전자파우더클러치의 체결력이 증가되어 경사로에서의 제출발시 자동차가 후방으로 밀리는 것을 방지하여 안전운행에 도움이 되는 유용한 발명이다.When the rotation direction detection sensor 30 mounted on the secondary poly senses the rotation direction and the rotation direction opposite to the transmission mode is detected, the current is increased to the electromagnetic powder clutch to increase the fastening force with the driving shaft to prevent the vehicle from being pushed backwards. The inclined driving control device of an endless stool for automobiles is characterized in that the fastening force of the electromagnetic powder clutch is increased by the rotational direction sensor to prevent the vehicle from being pushed backward when it is submitted from the slope, which is useful for safe driving. Invention.
Description
본 발명은 자동차용 무단변속기의 경사로 주행제어장치에 관한 것으로 더욱 상세하게는 자동차의 급경사로에서 정차후 재출발시 클러치의 체결력을 증대시켜 후방으로 슬립현상없이 원만한 주행조건을 얻기위함이다.The present invention relates to a driving control device for a ramp of a continuously variable transmission for a vehicle, and more particularly, to increase driving force of a clutch when restarting after stopping at a steep ramp of a vehicle to obtain a smooth driving condition without slipping backwards.
일반적으로 자동차의 동력전달을 위한 변속기는 수동변속기와 자동변속기로 구분되는 유단변속기와 무단변속기로 대분되며,In general, the transmission for power transmission of the car is divided into a stepped gearbox and a continuously variable gearbox which are divided into a manual transmission and an automatic transmission.
상기 유단변속기는 엔진회전수에 비례하여 마력과 토크가 상승 및 저하되는 특성으로 인하여 엔진의 주축과 연결된 변속기를 엔진의 회전영역에 적합하게 매치시키기 위한 클러치와 다단으로 형성된 기어를 필요로 한다.The stepped transmission requires a gear formed in multiple stages with a clutch to suitably match the transmission connected to the main shaft of the engine to the rotational area of the engine due to the characteristics of increasing horsepower and torque in proportion to the engine speed.
상기와 같은 유단변속기는 수동의 경우 운행상황에 따라 운전자가 직접 클러치를 조작하여 엔진회전수에 상응하는 기어를 맞물려 동력전달이 가능하도록 하며;In the stepped transmission as described above, the driver directly operates the clutch according to the driving situation to engage the gear corresponding to the engine speed to enable power transmission.
자동변속기일 경우에는 토크컨버터를 이용하여 엔젠의 회전수에 맞는 기어비를 적절하게 조절하는 것으로, 상기 토크컨버터는 슬립토크로 인한 가속성과 연비가 수동변속기에 비해 현저히 저하되는 단점을 가지며, 변속시점에서 상당한 변속 쇼크가 잔존하는 등의 문제점이 있었다.In the case of an automatic transmission, by using a torque converter to properly adjust the gear ratio according to the number of revolutions of the engine, the torque converter has the disadvantage that the acceleration and fuel economy due to the slip torque is significantly lower than the manual transmission, at the time of shifting There existed a problem that a considerable shift shock remained.
상기와 같은 유단변속기의 단점을 보완하기 위해 안출된 것이 무단변속기(CVT;Continuously Variable Transmission)이다.In order to supplement the shortcomings of the stepped transmission as described above, CVT (Continuously Variable Transmission) is proposed.
상기 무단변속기는 연속적으로 변속비를 바꿀 수 있도록 한 것으로 엔진의 최고출력만을 사용하여 부드럽게 고성능화할 수 있고, 시가지 주행에서는 저연비화를 실행하며, 변속시점이나 변속단이 없어 변속쇼크가 발생하지 않는 등의 많은 장점을 지닌다.The continuously variable transmission can continuously change the gear ratio, so that it can be smoothly and high-performance using only the highest output of the engine, low fuel efficiency can be achieved in urban running, and there is no shift timing or no gear shift, so that a shift shock does not occur. It has many advantages.
상기와 같은 무단변속기(1)는 도1에서와 같이 케이스 일측방에 위치하여 엔진의 동력을 전달받는 전자파우더클러치(13)와 상기 전자파우더클러치(13)와 연결되고 다수 개의 기어체로 되는 전, 후진절환기구(14), 상기 전, 후진절환기구(14)와 연결되는 입력축(15)과 부동력전달기구(16),As described above, the continuously variable transmission 1 is located at one side of the case as shown in FIG. 1 and is connected to the electromagnetic powder clutch 13 and the electromagnetic powder clutch 13 to receive the power of the engine, and are formed of a plurality of gear bodies. A reverse switching mechanism 14, an input shaft 15 and a floating force transmission mechanism 16 connected to the forward and reverse switching mechanism 14,
상기 부동력전달기구(16)와 연결되고 출력축(17)과 연결되는 최종감속기(18)및 디퍼런셜기어(19)등으로 구성된다.The final reduction gear 18 and the differential gear 19 and the like are connected to the floating force transmission mechanism 16 and connected to the output shaft 17.
상기 입력축(15)과 출력축(17)에는 프라이머리풀리(21)와 세컨더리풀리(22)가 구비되는데;The input shaft 15 and the output shaft 17 are provided with a primary pulley 21 and a secondary pulley 22;
상기 각각의 풀리(21,22)는 입력축(15)과 출력축(17)에 고정되는 고정폴리(23,24)와 입력축(15) 및 출력축(17)의 축방향으로 슬라이딩 이동하면서 풀리의 폭을 가변하는 가변폴리(25,26)로 구성된다.Each of the pulleys 21 and 22 has a fixed pulley 23 and 24 fixed to the input shaft 15 and the output shaft 17 and slides in the axial direction of the input shaft 15 and the output shaft 17 to increase the width of the pulley. It consists of variable poly25, 26.
상기 폴리(21,22)에는 벨트(27)가 연결되어 입력축(15)의 동력을 출력축(17)으로 전달하여 가변되는 풀리(21,22)의 폭에 따라 무단변속이 이루어진 동력을 타이어로 최종 전달한다.The belts 27 are connected to the pulleys 21 and 22 to transmit the power of the input shaft 15 to the output shaft 17, and endlessly change the power of the tire according to the width of the pulleys 21 and 22 that are variable. To pass.
상기와 같이 엔진의 구동력을 출력축과 클러치로서 자동차의 진행구동력을 도출하는 무단변속기는 자동차가 급경사로에서 일시 정차 후 재출발할 경우 평지에서와의 운행조건과 동일하게 둔전할 경우 후방으로 슬립현상이 발생하여 듯밖의 문제점을 유발하였다.As described above, the continuously variable transmission that derives the driving force of the vehicle by using the driving force of the engine as the output shaft and the clutch, when the vehicle is restarted after a temporary stop at a steep slope, slips backwards when the vehicle is dull in the same conditions as on the plain. It caused the problem of seeming.
그리하여 운전자는 급경사로에서의 일시 정차 후 재출발시에는 주차브레이크와 같은 보조수단을 이용하여 출발하는데,Thus, when the driver restarts after stopping at a steep slope, he starts by using an auxiliary means such as parking brake.
이는 주차브레이크를 작동시킨 상태에서 가속페달을 밟음과 동시에 주차브레이크를 해제하면서 출발하는 것으로 다양한 구성품을 동시에 조작하여야 하는 불편함이 있었다.This is a starting point while releasing the parking brake at the same time stepping on the accelerator pedal in the state of operating the parking brake, there was an inconvenience to operate a variety of components at the same time.
뿐만 아니라 초보운전자와 같이 자동차에 대한 인식과 각종 장치의 조작이 미숙한 상태에서의 상술한 바와 같은 운행방법은 예기치못한 사고를 발생시킬 수 있는 등의 문제점을 안고 있었다.In addition, the driving method as described above in a state in which the recognition of the vehicle and the operation of various devices are immature, such as a novice driver, may have an unexpected accident.
이에 본 발명에서는 상기한 여러 가지 문제점을 해결하기 위해 창출된 것으로 동력전달에 필요한 세컨더리풀리의 일측에 정, 역회전을 감지하는 센서를 장착하여 현재주행상태에서 역회전신호가 감지될 경우 클러치의 결속력을 증가시켜 자동차가 후방으로 밀리는 것을 방지하여 원활한 주행상태를 제공함을 그 목적으로 한다.Therefore, in the present invention, to solve the various problems described above, one side of the secondary pulley required for power transmission is equipped with a sensor for detecting forward and reverse rotation, and when the reverse rotation signal is detected in the current driving state, the binding force of the clutch The purpose of the present invention is to provide a smooth driving state by preventing the vehicle from being pushed rearward by increasing.
도 1은 통상적인 자동차용 무단변속기를 도시한 간략구성도,1 is a simplified configuration diagram showing a conventional continuously variable transmission for an automobile,
도 2는 본 발명인 급경사로 주행제어장치의 운용을 위한 회로를 도시한 일부 회로도,2 is a circuit diagram showing a circuit for the operation of the steep slope driving control device of the present invention,
도 3은 본 발명이 적용된 자용차용 무단변속기의 작동흐름을 도시한 블록도,3 is a block diagram showing the operation flow of the continuously variable transmission for a vehicle to which the present invention is applied;
*도면의 주요 부분에 사용된 부호의 설명** Description of the symbols used in the main parts of the drawings *
1; 무단변속기One; Continuously variable transmission
3; T.C.U3; T.C.U
4; E.C.U4; E.C.U
30; 회전방향감지센서30; Rotational direction sensor
이하 첨부되는 도면과 관련하여 본 발명의 구성 및 작용에 대하여 설명하면 다음과 같다.Hereinafter, the configuration and operation of the present invention will be described with reference to the accompanying drawings.
도 2는 본 발명인 급경사로 주행제어장치의 운용을 위한 회로를 도시한 일부회로도, 도 3은 본 발명이 적용된 자동차용 무단변속기 작동흐름을 도시한 블록도로서 함께 설명한다.2 is a partial circuit diagram illustrating a circuit for operating the steep slope driving control apparatus of the present invention, and FIG. 3 is a block diagram showing an operation speed of a continuously variable transmission for a vehicle to which the present invention is applied.
자동차용 무단변속기는 다양한 변속성능의 발휘를 위해 T.C.U(Transmission Control Unit;3)를 별도로 구비하고, 이를 자동차의 엔진을 제어하는 엔진제어장치(E.C.U;4)와 연결구비되어 자동차의 원활한 주행에 필요한 각종 정보를 분석 및 제어한다.The continuously variable transmission for automobiles is equipped with a separate transmission control unit (TCU) 3 to exhibit various shifting performances, and is connected to an engine control unit (ECU; 4) for controlling the engine of the vehicle. Analyze and control various information.
또한 상기 T.C.U(3)는 전자파우더클러치와 자동차의 현재 주행방향(세컨더리풀리의 회전방향)을 감지하는 회전방향감지센서(30)와 연결된다.In addition, the T.C.U (3) is connected to the electronic powder clutch and the rotation direction sensor 30 for detecting the current driving direction of the vehicle (rotational direction of the secondary pulley).
자동차는 주행중 도로의 형상 및 자동차의 전체적인 흐름상태로 인해 오르막 차선을 주행하는 경우와 오르막에서 정차하는 경우가 발생한다.While driving a car, driving uphill and stopping at an uphill road occur due to the shape of the road and the overall flow of the car.
상기와 같이 자동차의 주행조건이 변화한 상태에서 자동차가 정차후 재출발시 경사면에 의해 자동차가 후방으로 밀리게 되고,As described above, when the vehicle is stopped and restarted after the vehicle's driving conditions are changed, the vehicle is pushed backward by the inclined surface.
이에 따라 세컨더리풀리에 장착된 회정방향감지센서가 회정방향을 감지하여 변속기 모드와 상반된 회전방향이 검출되면 이를 T.C.U(3)에 전송한다.Accordingly, the rotation direction sensor mounted on the secondary pulley detects the rotation direction and transmits it to T.C.U (3) when the rotation direction opposite to the transmission mode is detected.
상기와 같이 회전방향감지센서에 의해 자동차의 현재 진행방향을 인식한 T.C.U는 가속페달을 밟아 스로틀밸브를 개방함과 동시에 전자파우더클러치에 전류를 상승시켜 구동축과의 체결력을 증대시켜 자동차가 후방으로 밀리는 것을 방지하여 원활한 재출발이 이루어지도록 한다.As described above, the TCU, which recognizes the current direction of travel of the vehicle by the rotation direction sensor, presses the accelerator pedal to open the throttle valve and increases the current in the electromagnetic powder clutch to increase the clamping force with the drive shaft, thereby pushing the vehicle backward. To prevent a smooth restart.
상기와 같은 경사로 주행제어장치를 각 단계별로 ㄷ 3의 블록돌를 인용하여 상세히 설명하면;If the inclined driving control device as described above will be described in detail by quoting the c block stone in each step;
먼저, T.C.U(3)는 회전방향감지센서(30) 및 변속기보드센서를 이용하여 자동차의 헌재상태를 파악하고,First, the T.C.U (3) uses the rotation direction sensor 30 and the transmission board sensor to grasp the current state of the car,
이 때 변속기모드의 위치감시신호가 P(PARKING) 또는 N(NATURE)을 감지하여 'YES'일 경우는 정상적인 제어를 통하여 초기로 돌아가 대기상태를 유지하며,At this time, if the position monitoring signal of transmission mode detects P (PARKING) or N (NATURE) and is 'YES', it returns to the initial state through normal control and maintains the standby state.
위치감지센서의 신호가 'NO'일 경우는 변속기모드위치가 D(DRIVING)위치인가를 판단하여 'NO'이면 현재 자동차는 후진(R) 상태이므로 초기상태로 되돌아간다.If the signal of the position sensor is 'NO', it is determined whether the transmission mode position is the D (DRIVING) position. If it is 'NO', the vehicle is returned to the initial state because the vehicle is in reverse (R) state.
상기와 같이 변속기모드위치가 D 위치인가를 판단하여 'YES'이면 세컨더리풀리에 장착된 회전방향감지센서(30)는 풀리의 회전방향이 정, 역회전인가를 판단하여,As described above, if it is determined that the transmission mode position is the D position, and if 'YES', the rotation direction detection sensor 30 mounted on the secondary pulley determines whether the rotation direction of the pulley is positive or reverse rotation.
이곳에서 'YES'로 정회전일 경우는 정상적인 주행상태를 의미하므로 다시 D 위치감지부분으로 돌아가 대기상태를 유지한다.In this case, if 'YES' forward rotation means normal driving condition, go back to D position detecting part and maintain standby state.
하지만, 상기 세컨더리플리의 정, 역회전여부를 감지하여 'NO'로 역방향이 감지될 경우 T.C.U로 신호를 전송하여 이와 연결된 전자파우더클러치의 체결력을 상승시켜 자동차가 후방으로 밀리는 것을 방지한다.However, if the reverse direction is detected as 'NO' by detecting whether the secondary ripple is forward or reverse, the signal is transmitted to T.C.U to increase the fastening force of the electronic powder clutch connected thereto to prevent the vehicle from being pushed backwards.
이상과 같이 세컨더리풀리의 정, 역회전방향 감지센서를 더 추가한 무단변속기는 경사로의 주행중 일시정차 후 재출발시 자동차가 후방으로 밀리는 현상을 방지하여 예기치못한 사고를 미연에 예방할 수 있으며,As described above, the continuously variable transmission in which the secondary pulley forward and reverse rotational direction sensors are added can prevent the vehicle from being pushed to the rear when the vehicle is restarted after a temporary stop while driving on a slope, thereby preventing unexpected accidents.
초보운전자와 같이 자동차에 대한 각종 기계적인 장치의 숙지가 미숙한 상태에서도 별도의 주차브레이크 작동 없이도 경사로에서의 재출발이 순조로워 안전운전과 승차감 증대 및 운전의 피로도를 격감시킨다.Even beginners are not familiar with the various mechanical devices for the vehicle, so they can easily re-start from the slope without additional parking brake operation, reducing safety and increasing driving comfort and driving fatigue.
이상과 같은 본 발명인 자동차용 무단변속기의 경사로 주행제어장치는 회전 방향감지센서에 의해 전자파우더클러치의 체결력이 증가되어 경사로에서의 재출발시 자동차가 후방으로 밀리는 것을 방지하여 안전운행에 도움이 되는 유용한 발명이다.As described above, the inclined road running control apparatus of a continuously variable transmission for a vehicle is a useful invention which helps to drive safely by preventing the vehicle from being pushed backward when restarting on a slope by increasing the tightening force of the electromagnetic powder clutch by the rotation direction sensor. to be.
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Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019980050532A KR100307089B1 (en) | 1998-11-23 | 1998-11-23 | Incline running control device for continuously variable transmission for automobiles. |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019980050532A KR100307089B1 (en) | 1998-11-23 | 1998-11-23 | Incline running control device for continuously variable transmission for automobiles. |
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| Publication Number | Publication Date |
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| KR20000033603A KR20000033603A (en) | 2000-06-15 |
| KR100307089B1 true KR100307089B1 (en) | 2001-12-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| KR1019980050532A KR100307089B1 (en) | 1998-11-23 | 1998-11-23 | Incline running control device for continuously variable transmission for automobiles. |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63240436A (en) * | 1987-03-27 | 1988-10-06 | Daihatsu Motor Co Ltd | Reverse movement preventing device for vehicle |
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1998
- 1998-11-23 KR KR1019980050532A patent/KR100307089B1/en not_active IP Right Cessation
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63240436A (en) * | 1987-03-27 | 1988-10-06 | Daihatsu Motor Co Ltd | Reverse movement preventing device for vehicle |
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