KR100273915B1 - Brake lamp system for vehicle - Google Patents

Brake lamp system for vehicle Download PDF

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Publication number
KR100273915B1
KR100273915B1 KR1019970031879A KR19970031879A KR100273915B1 KR 100273915 B1 KR100273915 B1 KR 100273915B1 KR 1019970031879 A KR1019970031879 A KR 1019970031879A KR 19970031879 A KR19970031879 A KR 19970031879A KR 100273915 B1 KR100273915 B1 KR 100273915B1
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KR
South Korea
Prior art keywords
vehicle
braking
brake pedal
speed
control unit
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KR1019970031879A
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Korean (ko)
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KR19990009462A (en
Inventor
반승환
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류정열
기아자동차주식회사
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Priority to KR1019970031879A priority Critical patent/KR100273915B1/en
Publication of KR19990009462A publication Critical patent/KR19990009462A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
    • B60Q1/44—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating braking action or preparation for braking, e.g. by detection of the foot approaching the brake pedal
    • B60Q1/444—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating braking action or preparation for braking, e.g. by detection of the foot approaching the brake pedal with indication of the braking strength or speed changes, e.g. by changing shape or intensity of the indication
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/0017—Devices integrating an element dedicated to another function
    • B60Q1/0023—Devices integrating an element dedicated to another function the element being a sensor, e.g. distance sensor, camera
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
    • B60Q1/44—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for indicating braking action or preparation for braking, e.g. by detection of the foot approaching the brake pedal
    • B60Q1/441—Electric switches operable by the driver's pedals
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/26—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic
    • B60Q1/46—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to indicate the vehicle, or parts thereof, or to give signals, to other traffic for giving flashing caution signals during drive, other than signalling change of direction, e.g. flashing the headlights or hazard lights
    • 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

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)

Abstract

PURPOSE: A brake lamp system for a vehicle is provided to make a driver of a following vehicle correctly and promptly decide the braking state of a preceding vehicle by variably lighting on brake lamps depending on the braking states. CONSTITUTION: A brake lamp system for a vehicle comprises a brake lamp(1) installed in the rear portion of a vehicle while having many lamps(1a) for indicating the braking state of a vehicle, a wheel speed sensor(2) for sensing the speed of the vehicle, a brake pedal sensor(3) for sensing the movement speed of a brake pedal, an electronic control unit(4) for outputting a control signal by deciding the braking state of the vehicle depending on the vehicle speed and the brake pedal movement speed, and a switch unit for selectively lighting on the lamps of the brake lamp depending on the control signal outputted from the electronic control unit.

Description

차량용 제동등 시스템Automotive brake light system

본 발명은 차량의 제동시 이를 후속 차량에게 알리도록 점등되는 차량용 제동등 시스템에 관한 것으로, 특히 급제동과 완제동등 차량의 제동 상태를 구분하여 표시할 수 있도록 된 차량용 제동등 시스템에 관한 것이다.The present invention relates to a braking system for a vehicle that lights up to notify a subsequent vehicle when the vehicle is braking. More particularly, the present invention relates to a braking system for a vehicle capable of distinguishing and displaying braking states of a vehicle such as braking and braking.

일반적으로 자동차에는 차체의 후방부 양측에 브레이크 페달의 동작에 따라 점등 및 소등되는 제동등이 부착되어 있다. 이 제동등은 운전자가 브레이크 페달을 조작하여 속도를 감속하는 경우, 이와 같은 감속 상태를 후속 차량에 알려주기 위한 것으로, 브레이크 페달을 밟음과 동시에 적색의 등이 점등하도록 되어 있다. 이와 같은 후속 차량에 대한 전방 차량의 감속 상태 알림은 특히 야간 주행시 추돌 사고등을 예방할 수 있는 안전장치의 하나로 차량에 반드시 부착하도록 되어 있다.In general, a vehicle is provided with brake lights which are turned on and off according to the operation of the brake pedal on both sides of the rear part of the vehicle body. When the driver decelerates the speed by operating the brake pedal, the brake light is used to inform the subsequent vehicle of such deceleration, and the red light is turned on at the same time as the brake pedal is pressed. The deceleration status notification of the front vehicle for such a subsequent vehicle is to be attached to the vehicle as one of the safety devices that can prevent a collision accident, especially during night driving.

그런데, 차량의 제동 상황에는 여러 가지 상황이 있을 수 있다. 즉, 일반적인 감속시의 완제동과 비상시의 급제동 등이 그것이다. 그러나, 상기와 같은 종래의 제동등은 이러한 제동 상황을 구분하여 표시하지 못하는 단점이 있었다. 따라서, 후속 차량이 전방 차량의 제동 상황을 제대로 판단하기가 곤란한 경우가 많아, 이로 인한 사고의 우려가 높았다.However, there may be various situations in the braking situation of the vehicle. That is, general braking at deceleration and sudden braking at emergency. However, the conventional braking lamp as described above has a disadvantage in that the braking situation cannot be displayed separately. Therefore, it is often difficult for a subsequent vehicle to judge the braking situation of the front vehicle properly, and there is a high risk of an accident.

본 발명은 상기와 같은 단점을 해소하기 위해 안출된 것으로, 차량의 각각의 제동 상태를 구분하여 표시할 수 있도록 된 차량용 제동등 시스템을 제공하는데 그 목적이 있다.The present invention has been made to solve the above disadvantages, an object of the present invention is to provide a braking system for a vehicle that can be displayed by distinguishing each braking state of the vehicle.

도 1은 본 발명에 따른 차량용 제동등 시스템의 구성을 도시한 개략도.1 is a schematic diagram showing the configuration of a brake light system for a vehicle according to the present invention.

도 2는 본 발명의 주요부인 점등 수단을 도시한 상세도.2 is a detailed view showing a lighting means which is an essential part of the present invention.

*도면의주요부분에대한부호의설명** Explanation of symbols on the main parts of the drawings *

1 : 제동등 1a : 램프1: Braking light 1a: Lamp

2 : 휠 스피드 센서 3 : 브레이크 페달 센서2: wheel speed sensor 3: brake pedal sensor

4 : 전자 제어 유닛 5 : 비상등4: electronic control unit 5: emergency light

6 : 비상등 점등용 스위칭 장치 10 : 점등 수단6: switching device for emergency light lighting 10: lighting means

11 : 구동 모터 12 : 링11: drive motor 12: ring

12a : 전극 단자 13 : 접속구12a: electrode terminal 13: connection port

14 : 가변 접지 회전판14: variable ground rotating plate

상기와 같은 목적은, 차량의 제동 상태를 나타내는 수 개의 램프를 가지며, 차체의 후방에 설치되는 제동등과, 차량의 속도를 감지하는 휠 스피드 센서와, 브레이크 페달의 이동 속도를 감지하는 브레이크 페달 센서와, 상기 휠 스피드 센서와 브레이크 페달 센서에서 감지된 차량의 속도와 브레이크 페달의 이동 속도에 의해 제동 상황을 판단하여 제어 신호를 출력하는 전자 제어 유닛, 및 상기 전자 제어 유닛의 제어 신호에 따라 상기 제동등의 램프들 중 하나를 선택적으로 점등시키는 점등 수단을 포함하는 것을 특징으로 하는 본 발명에 따른 차량용 제동등 시스템에 의해 달성된다.The above object has a plurality of lamps indicating the braking state of the vehicle, a braking lamp installed at the rear of the vehicle body, a wheel speed sensor for detecting the speed of the vehicle, a brake pedal sensor for detecting the movement speed of the brake pedal, and And an electronic control unit configured to output a control signal by determining a braking situation based on the speed of the vehicle sensed by the wheel speed sensor and the brake pedal sensor and the moving speed of the brake pedal, and according to the control signal of the electronic control unit. A braking lamp system for a vehicle according to the invention, characterized in that it comprises lighting means for selectively lighting one of the lamps.

상기 점등 수단은, 전자 제어 유닛의 제어 신호에 따라 그 회전이 제어되는 구동 모터와, 제동등의 각각의 램프에 연결되는 다수의 전극 단자가 원주상에 등간격으로 설치된 링과 링의 중심에 회전가능하게 설치되는 접속구로 이루어져 접속구가 회전에 의해 그의 외측단이 다수의 전극 단자들 중 하나와 접속되어 그에 대응되는 제동등의 램프를 점등시키도록 된 가변 접지 회전판, 및 상기 구동 모터의 회전을 접속구로 전달하는 벨트 풀리 장치로 구성된다.The lighting means is rotatable in the center of the ring and a ring in which the driving motor whose rotation is controlled according to the control signal of the electronic control unit, and a plurality of electrode terminals connected to respective lamps of the brake lamp are provided at equal intervals on the circumference A variable ground rotating plate configured to be connected to one of the plurality of electrode terminals, the connector being connected to one of the plurality of electrode terminals by rotating the connector, and transmitting the rotation of the driving motor to the connector. It consists of a belt pulley device.

또한, 본 발명은 상기 전자 제어 유닛에서 긴급 상황으로 판단되는 경우 비상등을 점등시키기 위한 스위칭 장치를 추가로 포함하는 것이 바람직하다.In addition, the present invention preferably further includes a switching device for lighting the emergency light when it is determined that the emergency state in the electronic control unit.

-실시예-Example

이하, 첨부된 도면을 참조하여 본 발명의 바람직한 일 실시예를 상세하게 설명한다.Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

도 1 및 도 2에 발명에 따른 차량용 제동등 시스템이 도시되어 있다. 도 1은 본 발명의 구성을 개략적으로 나타낸 도면이고, 도 2는 본 발명의 주요부인 점등 수단을 상세하게 도시한 도면이다.1 and 2 show a brake light system for a vehicle according to the invention. 1 is a view schematically showing the configuration of the present invention, Figure 2 is a view showing in detail the lighting means that is the main part of the present invention.

도시된 바와 같이, 본 발명에 따른 차량용 제동등 시스템은 제동시 점등되는 제동등(1)과, 차량의 속도를 감지하는 휠 스피드 센서(2), 브레이크 페달의 이동 속도를 감지하는 브레이크 페달 센서(3), 휠 스피드 센서(2)와 브레이크 페달 센서(3)에서 감지된 값에 의해 제동 상태를 판단하여 제어 신호를 출력하는 전자 제어 유닛(4), 전자 제어 유닛(4)의 출력 신호에 따라 제동등(1)을 점등시키는 점등 수단(10), 및 급제동시 비상등(5)을 점등하기 위한 비상등 점등용 스위칭 장치(6)로 구성된다.As shown, the vehicle braking light system according to the present invention is a brake light (1) that is turned on when braking, a wheel speed sensor (2) for detecting the speed of the vehicle, a brake pedal sensor (3) for detecting the movement speed of the brake pedal According to the output signal of the electronic control unit 4 and the electronic control unit 4, which outputs a control signal by determining the braking state based on the values detected by the wheel speed sensor 2 and the brake pedal sensor 3, And a lighting means 10 for lighting 1) and an emergency light lighting switching device 6 for lighting the emergency light 5 during sudden braking.

제동등(1)은 차량의 차체 후방에 설치되며, 네 개의 램프(1a)를 가진다. 각각의 램프(1a)는 속도와 운전자가 브레이크 페달을 밟는 정도에 따라 차량의 제동 상황을 나타내기 위한 것이다. 본 실시예에서는 가장 약한 제동시부터 비상시의 급제동까지 4단계로 나누어 각각의 경우에 해당되는 램프가 점등된다. 램프의 수는 반드시 4개일 필요는 없으며, 제동 상태를 용이하게 구분할 수 있을 정도의 수이면 무방하다.The brake lamp 1 is installed behind the vehicle body and has four lamps 1a. Each lamp 1a is for indicating the braking situation of the vehicle according to the speed and the degree to which the driver presses the brake pedal. In this embodiment, the lamp corresponding to each case is turned on in four stages from the weakest braking to the sudden braking in emergency. The number of lamps does not necessarily need to be four, and may be any number that can easily distinguish braking conditions.

전자 제어 유닛(3)은 휠 스피드 센서(2)와 브레이크 페달 센서(3)로부터 감지된 값에 의해 차량의 제동 상태를 판단하는바, 가장 가벼운 완제동으로부터 비상시의 급제동까지 네 단계로 구분하여, 점등 수단(10)을 제어하는 제어 신호를 출력한다.The electronic control unit 3 determines the braking state of the vehicle based on the values detected from the wheel speed sensor 2 and the brake pedal sensor 3, and is divided into four stages from the lightest braking to the sudden braking in an emergency. A control signal for controlling the lighting means 10 is output.

점등 수단(10)은 전자 제어 유닛(4)의 제어 신호에 따라 그 회전이 제어되는 구동 모터(11)와, 제동등(1)의 각각의 램프에 연결되는 네 개의 전극 단자(12a)가 원주상에 90°간격으로 설치된 링(12)과 링(12)의 중심에 회전가능하게 설치되는 접속구(13)로 이루어지는 가변 접지 회전판(14), 및 상기 구동 모터(11)의 회전을 접속구(13)로 전달하는 벨트 풀리 장치(15)로 구성된다. 이와 같은 점등 수단(10)은 전자 제어 유닛(4)의 제어 신호에 의해 제어되는 모터(11)의 회전이 벨트 풀리 장치(15)를 통해 접속구(13)에 전달되어 접속구(3)가 회전되면서 링(12)의 일측 전극 단자(12a)와 접촉되어 전류를 소통시키는 것에 의해 그 전극 단자(12)와 연결된 제동등(1)의 램프를 점등시킨다.The lighting means 10 has a circumferential shape of a drive motor 11 whose rotation is controlled according to a control signal of the electronic control unit 4 and four electrode terminals 12a connected to respective lamps of the brake lamp 1. A variable ground rotating plate (14) comprising a ring (12) provided at intervals of 90 [deg.] And a connector (13) rotatably installed at the center of the ring (12), and the rotation of the drive motor (11). It consists of a belt pulley device 15 for transmitting to. The lighting means 10 is such that the rotation of the motor 11 controlled by the control signal of the electronic control unit 4 is transmitted to the connection port 13 through the belt pulley device 15 so that the connection port 3 is rotated. The lamp of the brake lamp 1 connected to the electrode terminal 12 is turned on by contacting the electrode terminal 12a on one side of the ring 12 to communicate current.

본 실시예에서는 제동등의 램프를 선택적으로 점등시키기 위한 수단으로 상기와 같은 가변 접지 회전판과 구동 모터 및 벨트 풀리 장치를 사용하였으나, 반드시 이에 한정되지 않고 다른 수단, 예를 들어 전자식 가변 접지 스위치 등을 사용할 수도 있다.In the present embodiment, the variable ground rotating plate, the driving motor, and the belt pulley device as described above are used as a means for selectively lighting the lamp of the brake lamp, but the present invention is not limited thereto, and other means, for example, an electronic variable ground switch, may be used. It may be.

그리고, 비상등 점등용 스위칭 장치(6)는 비상등(5)과 연결되어 있어 차량의 급제동시 비상등(5)을 점등시킨다.Then, the emergency light lighting switching device 6 is connected to the emergency light (5) to turn on the emergency light (5) during braking of the vehicle.

상기와 같은 구성을 가지는 본 발명에 따른 차량용 제동등 시스템의 작용을 설명하면 다음과 같다.Referring to the operation of the brake light system for a vehicle according to the present invention having the configuration as described above are as follows.

차량의 주행중 운전자가 브레이크 페달을 밟아 차량을 제동시키면, 전자 제어 유닛(4)은 휠 스피드 센서(2)에서 감지된 차량의 속도와 브레이크 페달 센서(3)에서 감지된 브레이크 페달의 이동 속도에 의해 차량의 제동 상태를 판단하여 상술한 바와 같은 네 단계로 구분, 제어 신호를 출력한다.If the driver brakes the vehicle while the vehicle is running, the electronic control unit 4 is driven by the speed of the vehicle sensed by the wheel speed sensor 2 and the movement speed of the brake pedal sensed by the brake pedal sensor 3. The braking state of the vehicle is determined, and the control signal is output in four stages as described above.

상기 제어 신호는 점등 수단(10)의 구동 모터(11)로 입력되며, 구동 모터(11)가 소정 각도만큼 회전되는 것에 따라 벨트 풀리 장치(15)를 통해 구동 모터(11)와 연결된 접속구(13)가 회전되어 링(12)에 설치된 네 개의 전극 단자(12a)중 하나에 접촉된다. 이에 따라, 접속구(13)와 접촉된 전극 단자(12a)와 연결된 제동등(1)의 램프(1a)가 점등되어 차량의 제동 상태를 나타내게 된다.The control signal is input to the drive motor 11 of the lighting means 10, and the connection port 13 connected to the drive motor 11 through the belt pulley device 15 as the drive motor 11 is rotated by a predetermined angle. ) Is rotated to contact one of the four electrode terminals 12a provided in the ring 12. Accordingly, the lamp 1a of the brake light 1 connected to the electrode terminal 12a in contact with the connector 13 is turned on to indicate the braking state of the vehicle.

한편, 전자 제어 유닛(4)에서 비상시 급제동의 경우로 판단되는 경우에는 그에 해당되는 제동등(1)의 램프뿐만 아니라 스위칭 장치(6)를 통해 연결된 비상등(5)도 점등되어 후속 차량에게 급제동 상황을 알리게 된다.On the other hand, if it is determined that emergency braking in the electronic control unit 4 is the case of emergency braking in case of emergency, not only the lamp of the corresponding braking light 1 but also the emergency light 5 connected through the switching device 6 is turned on to provide a sudden braking situation to the subsequent vehicle. You will be notified.

상기된 바와 같은 본 발명은, 차량의 제동시 제동 상황에 맞추어 제동등의 서로 다른 위치의 램프가 점등되고, 특히, 비상시 급제동때는 비상까지 점등되게 되므로 후속 차량이 제동 상황을 정확하고 신속하게 판단할 수 있어 안전 운행에 큰 도움이 되는 장점이 있다According to the present invention as described above, the lamps of different positions such as the braking lamps are turned on in accordance with the braking situation when the vehicle is braking, and in particular, the emergency braking in the emergency, so that the subsequent vehicle can determine the braking situation accurately and quickly. There is an advantage that can greatly help safe driving

Claims (2)

차량의 제동 상태를 나타내도록 차체의 후방에 설치되는 다수의 램프로 구성되는 제동등과;A braking lamp composed of a plurality of lamps installed at the rear of the vehicle body to indicate a braking state of the vehicle; 주행하는 차량의 속도를 감지하는 휠 스피드 센서와;A wheel speed sensor configured to detect a speed of a vehicle driving; 브레이크 페달의 밟힘 속도를 감지하는 브레이크 페달 밟힘 속도 감지 센서와;A brake pedal stepping speed detection sensor for sensing a stepping speed of the brake pedal; 상기 휠 스피드 센서와 브레이크 페달 밟힘 속도 감지 센서에 의하여 감지된 차량 속도 및 브레이크 페달 밟힘 속도에 의하여, 차량의 제동 상태를 판단하는 전자 제어 유닛과;An electronic control unit for determining a braking state of the vehicle based on the vehicle speed and the brake pedal step speed detected by the wheel speed sensor and the brake pedal step speed detection sensor; 상기 전자 제어 유닛의 제어 신호에 의하여 회전이 제어되는 구동모터, 상기 각각의 램프에 연결되는 다수의 단자들이 원주 방향을 따라서 등간격으로 배열되는 가변 접지 회전판, 및 상기 전자 제어 유닛에 의하여 판단된 차량의 제동 상태에 따라서 램프들 중 차량의 제동 상태에 대응하는 램프를 점등시키기 위하여 상기 가변 접지 회전판에 배열된 전극 단자들 중 대응하는 전극을 접속시키도록 상기 모터에 의하여 회전되는 접속구를 가지는 점등 기구를 포함하는 것을 특징으로 하는 차량용 제동등 시스템.A driving motor whose rotation is controlled by a control signal of the electronic control unit, a variable ground rotating plate in which a plurality of terminals connected to each lamp are arranged at equal intervals along the circumferential direction, and the vehicle determined by the electronic control unit A lighting mechanism having a connection port rotated by the motor to connect a corresponding electrode among the electrode terminals arranged on the variable ground rotating plate to light a lamp corresponding to the braking state of the vehicle among the lamps according to the braking state of the lamp. Braking system for a vehicle comprising a. 제 1 항에 있어서, 상기 휠 스피드 센서 및 브레이크 페달 밟힘 속도 감지 센서에 의하여 감지된 차량 속도 및 브레이크 페달 밟힘 속도가 상기 전자 제어 유닛에서 긴급 상황이라고 판단되는 경우에, 비상등을 점등시키기 위한 비상 스위치를 추가적으로 포함하는 것을 특징으로 하는 차량용 제동등 시스템.2. The emergency switch according to claim 1, wherein when the vehicle speed and the brake pedal step speed detected by the wheel speed sensor and the brake pedal step speed detection sensor are determined to be an emergency in the electronic control unit, an emergency switch for turning on the emergency light is provided. Braking system for a vehicle further comprising.
KR1019970031879A 1997-07-10 1997-07-10 Brake lamp system for vehicle KR100273915B1 (en)

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Publication number Priority date Publication date Assignee Title
KR970026401A (en) * 1995-11-07 1997-06-24 한승준 Brake light control device indicating braking state of vehicle and its control method

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR970026401A (en) * 1995-11-07 1997-06-24 한승준 Brake light control device indicating braking state of vehicle and its control method

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