KR19980028784A - Start-off prevention device in case of sudden braking of car - Google Patents

Start-off prevention device in case of sudden braking of car Download PDF

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Publication number
KR19980028784A
KR19980028784A KR1019960047958A KR19960047958A KR19980028784A KR 19980028784 A KR19980028784 A KR 19980028784A KR 1019960047958 A KR1019960047958 A KR 1019960047958A KR 19960047958 A KR19960047958 A KR 19960047958A KR 19980028784 A KR19980028784 A KR 19980028784A
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KR
South Korea
Prior art keywords
clutch
pressure oil
oil
brake
supplied
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KR1019960047958A
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Korean (ko)
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KR0178648B1 (en
Inventor
김성기
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박병재
현대자동차 주식회사
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Priority to KR1019960047958A priority Critical patent/KR0178648B1/en
Publication of KR19980028784A publication Critical patent/KR19980028784A/en
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Publication of KR0178648B1 publication Critical patent/KR0178648B1/en

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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
    • B60K28/00—Safety devices for propulsion-unit control, specially adapted for, or arranged in, vehicles, e.g. preventing fuel supply or ignition in the event of potentially dangerous conditions
    • B60K28/10—Safety devices for propulsion-unit control, specially adapted for, or arranged in, vehicles, e.g. preventing fuel supply or ignition in the event of potentially dangerous conditions responsive to conditions relating to the vehicle 
    • B60K28/14—Safety devices for propulsion-unit control, specially adapted for, or arranged in, vehicles, e.g. preventing fuel supply or ignition in the event of potentially dangerous conditions responsive to conditions relating to the vehicle  responsive to accident or emergency, e.g. deceleration, tilt of vehicle
    • 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
    • B60K23/00—Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for
    • B60K23/02—Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for for main transmission clutches
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T7/00—Brake-action initiating means
    • B60T7/02—Brake-action initiating means for personal initiation
    • B60T7/04—Brake-action initiating means for personal initiation foot actuated
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2306/00—Other features of vehicle sub-units
    • B60Y2306/13—Failsafe arrangements

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transmission Of Braking Force In Braking Systems (AREA)
  • Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
  • Regulating Braking Force (AREA)

Abstract

본 발명은 자동차의 급제동시 시동오프 방지장치에 관한 것으로, 브레이크페달(1)의 조작력을 전달받아 유압을 발생시켜 브레이크 장치로 공급하는 브레이크마스터 실린더(2)의 일부 토출 압유를 클러치 장치로 먼저 공급하여 클러치가 해방되도록 하는 압유공급수단과, 브레이크 페달(1)의 조작시에는 상기압유공급수단의 토출압유가 클러치장치로 공급되도록 하는 반면에 클러치 페달(3)의 조작시에는 클러치 마스터 실린더(4)의 압유만이 클러치 장치로 공급되도록 유로를 제어하는 방향제어밸브수단을 갖춘 구조로 되어, 브레이크 페달의 조작만으로 클러치가 자동적으로 먼저 해방되고 난 다음에 제동이 걸림에 따라 운전자의 미숙한 운전으로 인해 엔진의 갑작스런 운전정지를 효과적으로 방지하고, 운전조작의 편의를 제공하게 되는 잇점이 있다.The present invention relates to a device for preventing starting-off during sudden braking of a vehicle. First, partial discharge pressure oil of the brake master cylinder (2), which is supplied with the operating force of the brake pedal (1) to generate hydraulic pressure and supplies the brake device, is first supplied to the clutch device. The hydraulic pressure supply means for releasing the clutch, and the discharge pressure oil of the pressure oil supply means is supplied to the clutch device when the brake pedal 1 is operated, while the clutch master cylinder ( 4) has a directional control valve means for controlling the flow path so that only the pressure oil of 4) is supplied to the clutch device, and the driver's immature operation as the brake is applied after the clutch is automatically released first only by the operation of the brake pedal. Due to this, there is an advantage of effectively preventing sudden stop of the engine and providing convenience of operation.

Description

자동차의 급제동시 시동오프 방지장치Start-off prevention device in case of sudden braking of car

본 발명은 자동차의 급제동시 시동오프 방지장치에 관한 것으로, 특히 브레이크 페달의 조작시에 마스터 실린더의 일부 압유가 클러치 장치로 공급되면서 클러치가 자동적으로 해방되어, 자동차의 급제동시에 엔진의 시동을 오프되는 것을 효과적으로 방지해줄 수 있도록 된 자동차의 급제동시 시동오프 방지장치에 관한 것이다.그리고 대형 트럭이나 버스 혹은 트레일러 등에는 압축공기의 압력을 이용해서 브레이크 슈우를 드럼에 압착시켜 제동을 걸어주는 공기 브레이크가 많이 사용되고 있다.The present invention relates to a start-off prevention device for sudden braking of a vehicle. In particular, the clutch is automatically released while a part of the hydraulic pressure of the master cylinder is supplied to the clutch device when the brake pedal is operated, so that the engine is turned off during sudden braking of the vehicle. It is related to the start-off prevention device for sudden braking of a vehicle that can effectively prevent the damage.In the case of a large truck, a bus or a trailer, a lot of air brakes press the brake shoe to the drum by using the compressed air pressure and apply the brake. It is used.

그런데 상기한 종래의 브레이크 장치에서는 자동차의 주행중에 급박한 상황이 발생되어 운전자가 브레이크 페달을 급격히 조작하게 되면, 엔진에 갑자기 큰 부하가 걸려서 엔진이 운전정지되는 결점이 있었다.클러치가 자동적으로 해방되도록 함으로써, 엔진의 급격한 부하변동으로 인한 갑작스런 운전정지를 효과적으로 방지해줄 수 있도록 된 자동차의 급제동시 시동오프 방지장치를 제공함에 그 목적이 있다.However, in the conventional brake device described above, when an urgent situation occurs while driving a vehicle, and the driver suddenly operates the brake pedal, there is a drawback that the engine is suddenly subjected to a large load and the engine is stopped. By doing so, an object of the present invention is to provide a start-off prevention device during sudden braking of a vehicle that can effectively prevent a sudden stop of operation due to a sudden load change of the engine.

도 1은 본 발명에 따른 자동차의 급제동시 시동오프 방지장치의 개략적인 구성도이다.1-브레이크 페달 2-브레이크 마스터 실린더1 is a schematic configuration diagram of a start-off prevention device during sudden braking of a vehicle according to the present invention. 1-brake pedal 2-brake master cylinder

상기한 바의 목적을 달성하기 위한 본 발명은, 브레이크 페달을 조작력을 전달받아 유압을 발생시켜 브레이크 장치로 공급하는 브레이크 마스터 실린더의 일부토출 압유를 클러치 장치로 공급하는 압유공급수단과, 브레이크 페달의 조작시에는 상기 압유공급수단의 토출압유가 클러치장치로 공급되도록하는 반면에 클러치 페달의 조작시에는 클러치 마스터 실린더의 압유만이 클러치 장치로 공급되도록 유로를 제어하는 방향제어밸브수단을 갖춘 구조로 되어 있다.작동되게 연결유로(5)를 매개로 연결된 제1유압실린더(6)와, 이 제1유압실린더(6)의 피스톤로드(6a)와 일정간격(a)을 두고 배열된 피스톤로드(7a)를 갖춤과 더불어 내부에는 오일이 충전된 제2유압실린더(7)를 갖춘 구조로 되어, 상기브레이크 페달의 조작시에 그 마스터 실린더(2)의 일부 토출압유는 연결유로(5)를 통해 제1유압실린더(6)로 전달되고, 제1유압실린더(6)는 압유를 공급받아 그 피스톤로드(6a)가 신장되면서 제2유압실린더(7)의 피스톤로드(7a)를 밀어주게 되며, 이에 따라 제2유압실린더내의 압유가 상기 방향제어밸브수단으로 통해 클러치장치로 공급되게 되어 있다.압유공급수단으로 각각 동시에 공급되게 되는데, 즉 마스터 실린더(2)의 일부 토출압유는 연결유로(5)를 통해 제1유압실린더(6)로 전달되고, 제1유압실린더(6)는 압유를 공급받아 그 피스톤로드(6a)가 신장되면서 제2유압실린더(7)의 피스톤로드(7a)를 밀어주게 되며, 이에 따라 제2유압실린더 내의 압유가 상기 방향제어밸브의 제1유입구(9a)를 통해 유입되게 된다.The present invention for achieving the above object, the pressure oil supply means for supplying a partial discharge pressure oil of the brake master cylinder for generating a hydraulic pressure supplied to the brake device by receiving the operating force to the brake pedal, and the brake pedal of the In the operation, the discharge pressure oil of the pressure oil supply means is supplied to the clutch device, while in the operation of the clutch pedal, there is a structure having a direction control valve means for controlling the flow path so that only the pressure oil of the clutch master cylinder is supplied to the clutch device. A first hydraulic cylinder 6 which is operatively connected via a connecting flow passage 5, and a piston rod 7a arranged at a predetermined distance a from the piston rod 6a of the first hydraulic cylinder 6; And a second hydraulic cylinder (7) filled with oil therein, and partially discharge the master cylinder (2) when the brake pedal is operated. The hydraulic oil is delivered to the first hydraulic cylinder (6) through the connecting flow passage (5), the first hydraulic cylinder (6) is supplied with pressure oil and the piston rod (6a) is extended and the piston of the second hydraulic cylinder (7) The rod 7a is pushed so that the hydraulic oil in the second hydraulic cylinder is supplied to the clutch device through the directional control valve means. The hydraulic oil supply means is simultaneously supplied to each other, that is, of the master cylinder 2 Some discharge pressure oil is delivered to the first hydraulic cylinder (6) through the connecting flow passage (5), the first hydraulic cylinder (6) is supplied with the pressure oil and the piston rod (6a) is extended, the second hydraulic cylinder (7) It pushes the piston rod 7a of the, so that the pressure oil in the second hydraulic cylinder is introduced through the first inlet (9a) of the directional control valve.

이상 설명한 바와 같이 본 발명에 따른 자동차의 급제동시 시동오프 방지장치에 의하면, 브레이크 페달의 조작만으로 클러치가 자동적으로 먼저 해방되고 난 다음에 제동이 걸림에 따라 운전자의 미숙한 운전으로 인해 엔진의 갑작스런 운전정지를 효과적으로 방지하고, 운전조작의 편의를 제공하게 되는 잇점이 있다.As described above, according to the start-off prevention device for sudden braking of a vehicle according to the present invention, the engine is suddenly driven due to the immature driving of the driver as the brake is released after the clutch is automatically released first only by the operation of the brake pedal. There is an advantage to effectively prevent the stop and to provide the convenience of operation.

Claims (4)

브레이크 페달(1)의 조작력을 전달받아 유압을 발생시키 브레이크 장치로 공급하는 브레이크 마스터 실린더(2)의 일부 토출 압유를 클러치 장치로 먼저 공급하여 클러치가 해방되도록 하는 압유공급수단과, 브레이크 페달(1)의 조작시에는 상기 압유공급수단의 토출압유가 클러치장치로 공급되도록하는 반면에 클러치 페달(3)의 조작시에는 클러치 마스터 실린더(4)의 압유만이 클러치 장치로 공급되도록 유로를 제어하는 방향제어밸브수단을 갖춘 구조로 된 자동차의 급제동시 시동오프방지장치.Pressure oil supply means for supplying some of the discharge pressure oil of the brake master cylinder (2), which receives the operating force of the brake pedal (1) to generate the hydraulic pressure and supplies the brake device to the clutch device, to release the clutch, and the brake pedal (1). ), The discharge pressure oil of the pressure oil supply means is supplied to the clutch device while the flow path is controlled so that only the pressure oil of the clutch master cylinder 4 is supplied to the clutch device when the clutch pedal 3 is operated. Start-off prevention device in case of sudden braking of a vehicle having a control valve means. 1 항에 있어서, 상기 압유공급수단이 브레이크 마스터 실린더(2)의 출구 유로에 압유를 공급받아 작동되게 연결유로(5)를 매개로 연결된 제1유압실린더(6)와, 이 제1유압실린더(6)의 피스톤로드(6a)와 일정간격(a)을 두고 배열된 피스톤로드(7a)를 갖춤과 더불어 내부에는 오일이 충전된 제2유압실린더(7)를 갖춘 구조로 된 것을 특징으로 하는 자동차의 급제동시 시동오프 방지장치.According to claim 1, wherein the hydraulic oil supply means is supplied with a hydraulic oil to the outlet flow path of the brake master cylinder (2), the first hydraulic cylinder (6) connected via the connecting flow passage (5) and the first hydraulic cylinder ( An automobile characterized by having a piston rod (7a) and a piston rod (7a) arranged at a predetermined interval (a) and a second hydraulic cylinder (7) filled with oil therein. To prevent starting off during sudden braking. 제 2 항에 있어서, 상기 간격(a)이 브레이크 장치가 작동되기 이전에 각 피스톤로드(6a, 7a)가 서로 접촉되어 제2유압실린더를 통해 압유가 클러치장치로 공급될 수 있도록 형성된 것을 특징으로 하는 자동차의 급제동시 시동오프 방지장치.3. A method according to claim 2, characterized in that the spacing (a) is formed so that each piston rod (6a, 7a) is in contact with each other and the hydraulic oil can be supplied to the clutch device through the second hydraulic cylinder before the brake device is actuated. Start-off prevention device in case of sudden braking of a car. 제 1 항 내지 제 3 항중 어느 한 항에 있어서, 상기 방항제어밸브수단이 상기 제2유압실린더(7)와 유로(8a)를 통해 연결된 제1유입구(9a)와, 상기 클러치 마스터 실린더(4)와 유로(8b)를 통해 연결된 제2유입구(9b), 이들 유로를 통해 유입된 압유를 클러치장치로 공급하는 2개의 제1, 2유출구(9c, 9d)및, 상기 제1유입구(9a)를 통해 압유가 유입되면 제1유출구(9c)를 통해 유출되도록 제2유입구(9c)를 막아주는 반면에 제2유입구(9b)를 통해 압유가 유입되면 제2유출구(9d)를 통해 유출되도록 제1유출구(9c)를 막아주기 위해 체임버내에서 전후로 이동가능하게 설치되면서 스프링(9e)을 매개로 탄력적으로 지지된 밸브피스톤(9f)을 갖춘 방항제어밸브(9)로 이루어진 것을 특징으로 하는 자동차의 급제동시 시동오프 방지장치.4. The clutch injector (4) according to any one of claims 1 to 3, wherein the valve control valve means includes a first inlet (9a) connected to the second hydraulic cylinder (7) through a flow path (8a), and the clutch master cylinder (4). And a second inlet 9b connected through the oil passage 8b, two first and second outlets 9c and 9d for supplying the pressurized oil flowing through the oil passages to the clutch device, and the first inlet 9a. When the pressure oil flows in, the second inlet 9c is blocked to flow through the first outlet 9c, while the pressure oil flows in through the second inlet 9b, so that the first oil outlet 9c flows out through the second outlet 9d. Rapid braking of a vehicle, characterized in that it consists of a throttle control valve 9 having a valve piston 9f elastically supported via a spring 9e while being installed to move back and forth within the chamber to prevent the outlet 9c. Start-off protection device.
KR1019960047958A 1996-10-24 1996-10-24 Apparatus against turn-off of an engine in case of braking an automobile KR0178648B1 (en)

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Application Number Priority Date Filing Date Title
KR1019960047958A KR0178648B1 (en) 1996-10-24 1996-10-24 Apparatus against turn-off of an engine in case of braking an automobile

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Application Number Priority Date Filing Date Title
KR1019960047958A KR0178648B1 (en) 1996-10-24 1996-10-24 Apparatus against turn-off of an engine in case of braking an automobile

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KR19980028784A true KR19980028784A (en) 1998-07-15
KR0178648B1 KR0178648B1 (en) 1999-03-20

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