KR100235041B1 - An automatic control system for a brake in an automobile - Google Patents

An automatic control system for a brake in an automobile Download PDF

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Publication number
KR100235041B1
KR100235041B1 KR1019960053866A KR19960053866A KR100235041B1 KR 100235041 B1 KR100235041 B1 KR 100235041B1 KR 1019960053866 A KR1019960053866 A KR 1019960053866A KR 19960053866 A KR19960053866 A KR 19960053866A KR 100235041 B1 KR100235041 B1 KR 100235041B1
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KR
South Korea
Prior art keywords
brake
vehicle
attached
actuator
rod
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Application number
KR1019960053866A
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Korean (ko)
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KR19980035516A (en
Inventor
이병준
Original Assignee
정몽규
현대자동차주식회사
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Priority to KR1019960053866A priority Critical patent/KR100235041B1/en
Publication of KR19980035516A publication Critical patent/KR19980035516A/en
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Publication of KR100235041B1 publication Critical patent/KR100235041B1/en

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Classifications

    • 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
    • B60T7/12—Brake-action initiating means for automatic initiation; for initiation not subject to will of driver or passenger
    • B60T7/22—Brake-action initiating means for automatic initiation; for initiation not subject to will of driver or passenger initiated by contact of vehicle, e.g. bumper, with an external object, e.g. another vehicle, or by means of contactless obstacle detectors mounted on the vehicle
    • 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
    • B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
    • B60T13/74—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive
    • B60T13/741—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive acting on an ultimate actuator
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
    • B60R21/013—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over
    • B60R21/0134—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over responsive to imminent contact with an obstacle, e.g. using radar systems
    • 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
    • B60T2201/00—Particular use of vehicle brake systems; Special systems using also the brakes; Special software modules within the brake system controller
    • B60T2201/02—Active or adaptive cruise control system; Distance control
    • B60T2201/022—Collision avoidance systems

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Regulating Braking Force (AREA)

Abstract

본 발명은 차량의 브레이크 자동조절 장치에 관한 것으로, 차량에 전방물체를 감지하는 센서(11)를 설치하고, 상기 센서의 제어로 동작되는 액추에이터(23)를 마스터 실린더(31)에 결합시켜 차량의 주행중 전방에 장애물체가 감지되면 액추에이터(23)를 제어하여 차량속도에 따라 알맞게 1차 제동하여 운전자에게 경각심을 불러일으킴과 동시에 1차 제동으로 안전운행을 도모할 수 있는 효과가 있다.The present invention relates to a device for automatically adjusting a brake of a vehicle, including installing a sensor (11) for detecting a front object in a vehicle, and coupling an actuator (23) operated by the control of the sensor to a master cylinder (31). If an obstacle is detected in front of the vehicle, the actuator 23 is controlled to appropriately brake the vehicle according to the vehicle speed to induce an alert to the driver, and at the same time, drive safety by primary braking.

Description

차량의 브레이크 자동조절 장치Brake automatic control device of vehicle

본 발명은 차량의 브레이크 자동조절 장치에 관한 것으로, 상세하게는 차량의 주행중 전방의 장애물체 감지시 자동적으로 브레이크가 작동되게 하여 운전자게게 경각심을 불러일으킴과 동시에 주행의 안전성을 크게 향상시킬 수 있도록 한 차량의 브레이크 자동조절 장치에 관한 것이다.The present invention relates to a device for automatically adjusting a brake of a vehicle. Specifically, the brake is automatically activated when an obstacle in front of the vehicle is sensed while driving to raise a warning to the driver and at the same time, greatly improving driving safety. It relates to a brake automatic control device of a vehicle.

일반적으로 종래에는 차량의 주행중에 전방에 장애물체가 나타나는 경우 운전자가 브레이크 패달을 밟아 차량을 제동시켜 장애물체의 충돌을 방지하였다.In general, when an obstacle appears in front of the vehicle while driving, the driver brakes the vehicle by stepping on the brake pedal to prevent the collision of the obstacle.

그러나, 이러한 종래의 기술은 차량의 고속주행시 운전자가 전방 장애물체를 신속하게 발견하지 못하여 전방물체와 충돌할 우려가 높고, 특히 야간주행이나 비가 내리는 경우 전방 장애물체의 관찰이 용이하지 못하여 안전사고의 발생우려가 높은 문제점이 있었다.However, such a conventional technique has a high possibility that the driver may not collide with the front object when the vehicle is driving at high speed, and may not easily detect the front obstacle. There was a high problem of occurrence.

따라서 본 발명은 상기한 문제점을 해소하기 위하여 안출한 것으로, 그 목적은 전방 장애물체를 센싱하여 자동으로 브레이크를 작동시켜 운전자에게 경각심을 불러 일으킴과 동시에 자동으로 차량의 속도를 감속하여 충돌을 방지하고, 주행 안전성을 향상시킬 수 있도록 하는 차량의 브레이크 자동조절 장치를 제공하는 데 있다.Therefore, the present invention has been made in order to solve the above problems, the object is to sense the front obstacle to automatically activate the brakes to alert the driver and at the same time automatically reduce the speed of the vehicle to prevent collision In addition, the present invention provides an automatic brake adjustment device for a vehicle that can improve driving safety.

위와 같은 목적을 달성하기 위하여 본 발명은 전방의 물체를 감지하는 센서를 설치한 감지부와 상기 감지부의 제어로 브레이크를 동작시키는 액추에이터를 설치한 자동부와 상기 작동부의 액추에이터의 작동으로 브레이크의 마스터 실린더를 동작시켜 차륜에 제동력을 발생시키는 제동부와 상기 감지부의 센서와 접속하여 차량의 현재속도와 엔진의 회전수에 따라 감지센서를 작동시키는 제어부로 구성함을 그 기술적 구성상의 기본 특징으로 한다.In order to achieve the above object, the present invention is a master cylinder of the brake by the operation of the actuator and the operating unit of the automatic unit and the actuator installed the sensing unit and the actuator to operate the brake by the control of the sensor to detect the front object It is characterized in that the technical configuration consists of a control unit for operating the sensor according to the current speed of the vehicle and the number of revolutions of the engine by connecting the brake unit and the sensor of the sensor to generate a braking force to the wheel by operating the.

도 1 은 본 발명의 브레이크 장치 블록도.1 is a block diagram of a brake system of the present invention.

도 2 는 본 발명의 브레이크 장치 구성도.Figure 2 is a block diagram of the brake device of the present invention.

도 3 은 본 발명의 브래킷 상세 사시도.Figure 3 is a detailed perspective view of the bracket of the present invention.

도 4 는 본 발명의 패달 상세도.4 is a detailed pedal view of the present invention.

* 도면의 주요 부분에 대한 부호의 설명 *Explanation of symbols on the main parts of the drawings

10 : 감지부 11 : 센서10: detection unit 11: sensor

12 : 릴레이 20 : 작동부12: relay 20: operating part

21 : 솔레노이드 밸브 22 : 에어 탱크21 solenoid valve 22 air tank

23 : 액추에이터 24 : 레버23: actuator 24: lever

25 : 연결호스 30 : 제동부25: connecting hose 30: braking part

31 : 마스터 실린더 32 : 릴리스 실린더31: master cylinder 32: release cylinder

33 : 레버 34 : 브레이크 패달33: lever 34: brake pedal

35 : 브래킷 36 : 가이드 장공35: bracket 36: guide slot

37 : 패달 아암 38 : 연결호스37: pedal arm 38: connecting hose

39a : 로드 39b : 로드39a: load 39b: load

40 : 제어부 41 : E. C. U40: control part 41: E. C. U

위와 같이, 구성된 본 발명의 실시예를 첨부된 도면을 참조하면서 상세히 설명하면 다음과 같다.As described above, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

도 1 과 제 2 에 나타낸 바와 같이, 감지부(10)는 차량에 전방의 물체를 감지하는 센서(11)를 설치하고, 센서(11)에 릴레이(12)를 접속한다.As shown in FIG. 1 and 2, the detection part 10 installs the sensor 11 which detects the object in front of a vehicle, and connects the relay 12 to the sensor 11. As shown in FIG.

작동부(20)는 에어탱크(22)와 액추에이터(23)를 연결호스(25)로 연통시키고, 연결호스(25)에 상기 감지부의 릴레이(12)와 접속시킨 솔레노이드 밸브(21)를 설치하되, 상기 액추에이터(23)의 피스톤 로드 단부에 축결합된 레버(24)의 일측단을 결합시킨다.The actuator 20 communicates the air tank 22 and the actuator 23 to the connection hose 25, and installs a solenoid valve 21 connected to the relay 12 of the sensing unit in the connection hose 25. , The one end of the lever 24 coupled to the piston rod end of the actuator 23 is coupled.

제동부(30)는 상기 레버(24)의 타측단에 마스터 실린더(31)의 피스톤 로드 단부를 결합시키고, 마스터 실린더(31)와 릴리스 실린더(32)를 연결호스(38)로 연결시켜 연통하되, 릴리스 실린더(32)의 피스톤 로드를 축결합된 레버(33)의 일측에 결합하고, 타측단을 패달아암(37)과 결합시킨다.The brake unit 30 couples the piston rod end of the master cylinder 31 to the other end of the lever 24, and connects the master cylinder 31 and the release cylinder 32 with a connection hose 38 to communicate with each other. , The piston rod of the release cylinder 32 is coupled to one side of the axially coupled lever 33, and the other end is coupled to the pedal arm 37.

상기 패달아암(37)과 레버(33)의 결합은 패달아암(37)에 일측단을 절곡한 로드(39a)를 부착하고, 레버(33)에 로드(39b)의 일측단을 부착하며 로드(39b)의 타측단에 브래킷(35)를 결합시키고, 브래킷(35) 좌우에 가이드 장공(36)을 형성하되, 상기 가이드 장공(36)에 로드(39a)의 절곡부를 끼워결합시킨다.The pedal arm 37 and the lever 33 are coupled to each other by attaching a rod 39a bent at one end to the pedal arm 37, and attaching one end of the rod 39b to the lever 33. The bracket 35 is coupled to the other end of 39b), and guide holes 36 are formed on the left and right sides of the bracket 35, and the bent portion of the rod 39a is fitted into the guide holes 36.

제어부(40)는 상기 감지부(10)의 센서와 E. C. U(41)를 접속시키고, E. C. U(41)의 엔진회전수와 현재 차속을 입력시킨다.The control unit 40 connects the sensor of the sensing unit 10 with the E. C. U 41, and inputs the engine speed and the current vehicle speed of the E. C. U 41.

이러한 본 발명의 작용을 설명하면 다음과 같다. 차량의 주행중 제어부(40)에 의하여 일정속도이상으로 주행중일 때 센서(11)를 작동시켜 전방의 장애물체를 센싱하면, 릴레이(12)의 코일을 여자시켜 액추에이터(23)와 에어탱크(22)를 연통시킨 연결호스(25)에 설치된 솔레노이드 밸브(21)를 열어 에어탱크(22)의 공기를 액추에이터(23)에 공급하여 액추에이터(23)의 피스톤 로드를 작동시키고, 액추에이터(23)의 피스톤 로드 작동으로 액추에이터(23)의 피스톤 로드에 부착된 레버(24)가 회전되어 레버(24)의 타측에 부착된 마스터 실린더(31)의 피스톤 로드를 당기게 된다.Referring to the operation of the present invention as follows. If the sensor 11 is operated by the control unit 40 while driving the vehicle at a predetermined speed or more, and sensing an obstacle in front of the vehicle, the coil of the relay 12 is excited to excite the actuator 23 and the air tank 22. To open the solenoid valve 21 installed in the connecting hose 25 in communication with the air supply, supply air from the air tank 22 to the actuator 23 to operate the piston rod of the actuator 23, the piston rod of the actuator 23 In operation, the lever 24 attached to the piston rod of the actuator 23 is rotated to pull the piston rod of the master cylinder 31 attached to the other side of the lever 24.

따라서 마스터 실린더(31)에서 발생되는 유압이 차륜의 브레이크 부분에 압력이 인가되어 제동하게 되는데, 이때 마스터 실린더(31)의 작동으로 릴리스 실린더(32)가 연동하여 동작하고, 릴리스 실린더(32)의 피스톤 로드에 부착된 레버(33)가 회전하여 패달아암(37)를 당기게 한다.Accordingly, the hydraulic pressure generated in the master cylinder 31 is applied to the brake portion of the wheel to brake the cylinder. At this time, the release cylinder 32 operates in conjunction with the operation of the master cylinder 31, and the release cylinder 32 The lever 33 attached to the piston rod rotates to pull the pedal arm 37.

여기서 E. C. U(41)에 셋팅값을 입력하여 차량의 속도에 따라 저속 주행시는 액추에이터(23)의 작동을 차단시키고, 차속에 따라 센서(11)에서 입력되는 거리와 차속을 비교하여 제동력을 제어하게 한다.Here, the setting value is input to the EC U 41 to cut off the operation of the actuator 23 at low speed according to the speed of the vehicle, and to control the braking force by comparing the vehicle speed with the distance input from the sensor 11 according to the speed of the vehicle. do.

또한 레버(33)와 패달아암(37) 사이에 설치된 브래킷(35)의 가이드 장공(36)을 패달의 브레이크 각도가 1/5정도 되는 길이로 하여 작동시 급정거 발생을 방지한다.In addition, the guide hole 36 of the bracket 35 installed between the lever 33 and the pedal arm 37 has a length in which the brake angle of the pedal is about 1/5 to prevent the occurrence of sudden stop during operation.

이상에서 살펴본 바와 같이, 본 발명은 차량의 주행시 전방에 장애물체가 있는 경우 1차적으로 브레이크를 작동시켜 운전자에게 경각심을 불러 일으킴과 동시에 차량의 속도에 따라 브레이크 정도를 제어하여 운전자가 돌발상황시 적극적으로 대응하여 안전운행을 도모할 수 있는 것이다.As described above, in the present invention, when there is an obstacle in front of the vehicle while driving, the brake is primarily activated to cause the driver to be alert, and at the same time, the degree of brake is controlled according to the speed of the vehicle, thereby actively driving the driver. In response to this, it is possible to promote safe driving.

Claims (4)

전방의 물체를 감지하는 센서를 설치한 감지부와; 상기 감지부의 제어로 브레이크를 동작시키는 액추에이터를 설치한 작동부와; 상기 작동부의 액추에이터의 작동으로 브레이크의 마스터 실린더를 동작시켜 차륜에 제동력을 발생시키는 제동부와; 상기 감지부의 센서와 접속시켜 현재 차량의 속도와 엔진 회전수에 따라 센서를 동작시키는 제어부로 구성한 것을 특징으로 하는 차량의 브레이크 자동조절 장치.A detector configured to install a sensor to detect an object in front of the vehicle; An operation unit including an actuator for operating a brake under control of the detection unit; A braking unit which generates a braking force on the wheel by operating the master cylinder of the brake by the operation of the actuator of the operating unit; And a control unit for connecting the sensor to the sensor and operating the sensor according to the current vehicle speed and the engine speed. 제 1 항에 있어서, 상기 작동부는 에어탱크와 액추에이터를 연결호스로 연통시키고, 연결호스에 솔레노이드 밸브를 설치하되, 액추에이터의 피스톤 로드 단부를 레버의 일측단에 부착하고 솔레노이드 밸브를 상기 감지부의 릴레이와 접속시켜 구성한 것을 특징으로 하는 차량의 브레이크 자동조절 장치.The method of claim 1, wherein the operating unit communicates the air tank and the actuator via a connection hose, the solenoid valve is installed in the connection hose, the piston rod end of the actuator is attached to one end of the lever and the solenoid valve and the relay of the detection unit A vehicle automatic brake control device characterized in that the connection is configured. 제 1 항에 있어서, 상기 제동부는 마스터 실린더의 피스톤 로드를 액추에이터의 피스톤 로드에 부착된 레버의 타측단에 부착하고, 마스터 실린더와 릴리스 실린더를 연통시키되, 릴리스 실린더의 피스톤 로드에 또 다른 레버의 일측단을 부착하고, 레버의 타측단에 로드를 부착하여 패달아암과 연동되게 구성한 것을 특징으로 하는 차량의 브레이크 자동조절 장치.The method of claim 1, wherein the braking unit attaches the piston rod of the master cylinder to the other end of the lever attached to the piston rod of the actuator, and communicates the master cylinder and the release cylinder, the piston rod of the release cylinder A vehicle automatic brake adjustment device, characterized in that the one end is attached, the rod is attached to the other end of the lever in conjunction with the pedal arm. 제 3 항에 있어서, 상기 패달아암에 절곡된 로드를 부착하고, 패달아암에 부착된 로드와 릴리스 실린더의 피스톤 로드에 부착된 로드를 브래킷의 양측에서 각각 결합시켜 연결하되, 상기 브래킷에 가이드 장공을 형성하여 상기 절곡된 로드의 절곡부를 끼워 슬라이딩 되게 결합시켜 구성한 것을 특징으로 하는 차량의 브레이크 자동조절 장치.The method of claim 3, wherein the bent rod is attached to the pedal arm, and the rod attached to the pedal arm and the rod attached to the piston rod of the release cylinder are coupled to each other on both sides of the bracket, and the guide hole is attached to the bracket. The brake automatic control device of the vehicle, characterized in that formed by sliding and engaging by inserting the bent portion of the bent rod.
KR1019960053866A 1996-11-13 1996-11-13 An automatic control system for a brake in an automobile KR100235041B1 (en)

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