KR20040107253A - Sensor givimg driver notice that cars heading for his car - Google Patents

Sensor givimg driver notice that cars heading for his car Download PDF

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Publication number
KR20040107253A
KR20040107253A KR1020030038267A KR20030038267A KR20040107253A KR 20040107253 A KR20040107253 A KR 20040107253A KR 1020030038267 A KR1020030038267 A KR 1020030038267A KR 20030038267 A KR20030038267 A KR 20030038267A KR 20040107253 A KR20040107253 A KR 20040107253A
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South Korea
Prior art keywords
unit
blind spot
infrared
vehicle
detecting
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KR1020030038267A
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Korean (ko)
Inventor
최낙임
Original Assignee
최낙임
최정우
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Priority to KR1020030038267A priority Critical patent/KR20040107253A/en
Publication of KR20040107253A publication Critical patent/KR20040107253A/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R1/00—Optical viewing arrangements; Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
    • B60R1/12—Mirror assemblies combined with other articles, e.g. clocks
    • B60R1/1207—Mirror assemblies combined with other articles, e.g. clocks with lamps; with turn indicators
    • 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
    • B60Q1/56—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 illuminating registrations or the like, e.g. for licence plates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
    • B60R16/0231—Circuits relating to the driving or the functioning of the vehicle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R1/00—Optical viewing arrangements; Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
    • B60R1/12—Mirror assemblies combined with other articles, e.g. clocks
    • B60R2001/1223—Mirror assemblies combined with other articles, e.g. clocks with sensors or transducers
    • 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
    • B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
    • B60W50/08—Interaction between the driver and the control system
    • B60W50/14—Means for informing the driver, warning the driver or prompting a driver intervention
    • B60W2050/143—Alarm means

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Multimedia (AREA)
  • Emergency Alarm Devices (AREA)

Abstract

PURPOSE: A detecting device of a blind spot around a vehicle is provided to improve the reliability, and to prevent accidents by detecting the vehicle inside the blind spot with the infrared sensor and warning the blind spot to the driver. CONSTITUTION: A blind spot detecting device is composed of a detecting unit(100) detecting the vehicle inside the blind spot, a control unit(200) deciding the existence of the vehicle by receiving the signals from the detecting unit, a light emitting diode driving unit(300) turning on a light emitting diode(500) according to the control signal from the control unit, and a power supply unit(400) supplying power to the parts. The detecting unit comprises a sensor driving unit(102), an infrared transmitting unit(101), an infrared receiving unit(103), an amplifying unit(104) and an A/D converter(105) converting the amplified signal into the digital signal.

Description

운전 사각지대 감지장치{Sensor givimg driver notice that cars heading for his car}Sensor blind spot detection device {Sensor givimg driver notice that cars heading for his car}

본 발명은 운전 사각지대 감지장치에 관한 것으로, 보다 상세하게는 적외선 센서 및 무선 송수신에 의해 운전 중 사각지대에 들어오는 차량을 감지하여 운전자에게 램프 점멸로 경고하여 주는 운전 사각지대 감지장치에 관한 것이다.The present invention relates to a blind spot detection device, and more particularly to a blind spot detection device that detects a vehicle entering the blind spot while driving by an infrared sensor and wireless transmission and warns the driver by flashing a lamp.

일반적으로 자동차에는 운전자가 후방에 접근하는 차량 등을 감지하기 위하여 거울 등이 장착되는데, 이에는 실내에 설치하여 후방을 감지하는 거울인 백미러와 차량의 앞좌석 좌우측 도어에 장착된 거울인 사이드미러가 있다.In general, a vehicle is equipped with a mirror to detect a vehicle approaching the rear of the driver, such as a rear-view mirror installed in the interior and a rear-view mirror mounted on the front left and right doors of the vehicle. have.

그러나 상기한 백미러와 사이드미러만으로는 후방을 정확하게 확인할 수가 없고, 특히 사각지대라고 하여 좌우회전 또는 추월 시에 실제 탐지하여야 할 측후방 영역을 반사하지 못하기 문에 대부분의 운전자가 고개를 돌려 측후방을 확인함으로써 사고의 위험이 항상 내포되어 있다는 문제점이 있다.However, the rear and side mirrors alone cannot accurately identify the rear, and most drivers turn their heads to reflect the rear and rear areas. There is a problem that the risk of an accident is always implied by checking.

한편, 상기 문제점을 해결하기 위해 사이드미러의 상단 또는 실내에 보조거울을 설치하여 사각지대를 감지하는 방법이 쓰이는데, 상기 보조거울 역시 사각지대를 정확히 커버하기 힘들고, 주행 시 운전자가 사이드미러와 백미러 외에 보조거울을 추가로 주시해야 하기 때문에 운전자의 피로가 누적되는 문제점이 있는 것이다.Meanwhile, in order to solve the above problem, a method of detecting blind spots by installing an auxiliary mirror on the top or inside of the side mirror is also difficult to accurately cover the blind spots. There is a problem that the fatigue of the driver is accumulated because the secondary mirror must be additionally watched.

본 발명은 상기와 같은 문제점을 해결하기 위해 안출된 것으로서, 본 발명의 목적은 안정된 감도와 신뢰성이 높은 적외선센서를 이용하여 자동차의 사각지대 내에 들어오는 차량을 감지하여 운전자에게 경고하여 주는 자동차 사각지대 감지장치를 제공함에 있다.The present invention has been made to solve the above problems, an object of the present invention is to detect a blind spot for the vehicle to detect a vehicle that enters the blind spot of the vehicle using a stable sensitivity and reliable infrared sensor to warn the driver. In providing a device.

도 1은 본 발명에 따른 사각지대 감지장치의 감지부가 차량에 장착된 위치를 나타낸 상태도.1 is a state diagram showing a position mounted on the vehicle detection unit of the blind spot detection apparatus according to the present invention.

도 2는 본 발명에 따른 사각지대 감지장치의 경고등이 백미러에 장착된 것을 나타낸 상태도.Figure 2 is a state diagram showing that the warning light of the blind spot detection apparatus according to the present invention is mounted on the rearview mirror.

도 3은 본 발명에 따른 사각지대 감지장치의 경고등이 사이드미러의 안쪽에 장착된 것을 나타낸 상태도.Figure 3 is a state diagram showing that the warning light of the blind spot detection apparatus according to the present invention is mounted on the inside of the side mirror.

도 4는 본 발명에 따른 사각지대 감지장치의 구성을 나타낸 블록도.Figure 4 is a block diagram showing the configuration of the blind spot detection apparatus according to the present invention.

<도면의 주요 부분에 대한 부호의 설명><Explanation of symbols for the main parts of the drawings>

100 : 감지부 101 : 적외선 송신부100 detection unit 101 infrared transmission unit

102 : 센서구동부 103 : 적외선 수신부102: sensor driver 103: infrared receiver

104 : 증폭부 105 : A/D컨버터104: amplification unit 105: A / D converter

200 : 제어부 300 : LED 구동부200: control unit 300: LED driving unit

400 : 전원부 500 : LED 경고등400: power supply 500: LED warning light

상기와 같은 목적을 달성하기 위한 본 발명은,The present invention for achieving the above object,

사각지대 내에 차량이 존재하는지 감지하기 위한 감지부와, 상기 감지부의 신호를 입력받아 차량의 존재여부를 판단하는 제어부와, 상기 제어부의 제어신호에 의해 LED 경고등을 점등시키는 LED 구동부 및 상기 각 부에 전원을 공급하는 전원부를 포함하여 이루어진다.A sensing unit for detecting the presence of a vehicle in a blind spot, a controller for receiving a signal from the sensing unit to determine whether the vehicle is present, an LED driver for lighting an LED warning light by the control signal of the controller, and the respective units. It includes a power supply for supplying power.

상기 감지부는 안정된 감도와 신뢰성이 높은 적외선 센서를 이용하였으며, 상세하게는 적외선 송신부와 센서 구동부, 적외선 송신부, 증폭부, A/D컨버터를 포함하여 구성된다.The sensing unit uses an infrared sensor having a stable sensitivity and high reliability, and specifically, the sensing unit includes an infrared transmitter, a sensor driver, an infrared transmitter, an amplifier, and an A / D converter.

이하에서는 첨부 도면을 참조하여 본 발명의 가장 바람직한 일 실시예를 상세히 설명하기로 한다. 우선, 각 도면을 설명함에 있어, 동일한 구성 요소들에 한해서는 비록 다른 도면상에 도시되더라도 가능한 한 동일한 참조부호를 갖는다.Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. First, in describing each of the drawings, the same components have the same reference numerals as much as possible even though they are shown in different drawings.

도 1은 본 발명에 따른 사각지대 감지장치의 감지부가 차량에 장착된 위치를 나타낸 상태도로서, 자동차의 좌우측면 전방 및 후방 네 곳에 적외선 센서를 이용한 감지부(100)가 장착되어 있는데, 상기 적외선 센서의 감지영역은 사이드미러 및 백미러가 감지할 수 없는 측면 전방과 후방에 접근하는 차량을 감지하도록 되어 있다.1 is a state diagram showing the position of the detection unit mounted on the vehicle of the blind spot detection apparatus according to the present invention, the detection unit 100 using the infrared sensor in four front and rear sides of the vehicle is mounted, the infrared sensor The sensing area of the vehicle is configured to detect a vehicle approaching the front and rear sides that the side mirror and the rear view mirror cannot detect.

감지부(100)의 케이스는 충격에 강한 내구성을 가진 금속재질로 이루어지며, 차체 면에 대하여 일정 높이에 적외선 송신부(101)와 적외선 수신부(103)가 나란히형성되는데, 상기 적외선 송신부(101)와 적외선 수신부(103)에는 각각 적외선 필터를 장착하여 적외선만 투과되도록 함으로써 햇빛이나 자동차 전조등에 의한 오동작을 방지하도록 하였다.The case of the sensing unit 100 is made of a metal material having high durability against impact, and the infrared transmitting unit 101 and the infrared receiving unit 103 are formed side by side at a predetermined height with respect to the body surface, and the infrared transmitting unit 101 and The infrared receiver 103 is equipped with an infrared filter to transmit only infrared rays, thereby preventing malfunctions caused by sunlight or automobile headlights.

따라서 사각지대로 접근하는 차량이 있는 경우에 적외선 송신부(101)에서 발생되는 적외선 신호가 상기 차량의 몸체에 부딪혀 반사되면 적외선 수신부(103)에서 반사된 적외선 신호를 감지하는 것으로 접근 차량의 유무를 알 수 있다.Therefore, when there is a vehicle approaching the blind spot, when the infrared signal generated by the infrared transmitter 101 hits the body of the vehicle and is reflected, the infrared signal reflected by the infrared receiver 103 detects the presence or absence of the approaching vehicle. Can be.

상기 적외선 송신부(101)는 적외선을 방출하는 LED 등의 소자를 이용할 수 있고, 적외선 수신부(103)는 포토커플러를 이용하는 것이 바람직하다.The infrared transmitter 101 may use an element such as an LED emitting infrared light, and the infrared receiver 103 preferably uses a photocoupler.

도 2 및 도 3에서와 같이 차량의 내부에는 상기 감지부(100)의 경보신호에 따라 점등하는 경고등이 장착되는데, 장착되는 위치는 좌우 사이드미러의 차량 안쪽 면과 백미러 일측단 중 한 곳 이상에 장착이 가능한 것이다.As shown in Figure 2 and 3 inside the vehicle is mounted a warning light that lights up in accordance with the alarm signal of the detection unit 100, the mounting position is at least one of the inner surface of the left and right rearview mirror and one side of the rearview mirror. It can be mounted.

도 4는 본 발명에 따른 사각지대 감지장치의 구성을 나타낸 블록도로서, 상기 도면을 참조하여 본 발명의 상세한 작동을 설명하면 다음과 같다.Figure 4 is a block diagram showing the configuration of the blind spot detection apparatus according to the present invention, the detailed operation of the present invention with reference to the drawings as follows.

우선 차량의 좌우측면 전방 및 후방의 사각지대에 접근하는 차량을 감지하기 위해 제어부(200)에서는 감지부(100)의 센서구동부(102)를 제어하여 적외선 송신부(101)에서 적외선을 사각지대에 방사한다.First, the controller 200 controls the sensor driver 102 of the detector 100 to detect a vehicle approaching blind spots in front of and behind the left and right sides of the vehicle, and emits infrared rays from the infrared transmitter 101 to the blind spot. do.

이때 사각지대에 접근하는 차량이 있으면 차량의 몸체에 적외선이 부딪혀 반사하게 되고, 반사되어 수신되는 빛을 적외선 수신부(103)에서 수신한 다음 증폭기(104)를 통해 수신 신호를 증폭하게 된다.In this case, when there is a vehicle approaching the blind spot, infrared rays collide with the body of the vehicle to reflect the received light, and the received light is received by the infrared receiver 103 and then amplifies the received signal through the amplifier 104.

증폭된 신호는 A/D컨버터(105)에 의해 디지털 신호로 변환되어 제어부(200)로 출력되고, 상기 제어부(200)에서는 입력된 신호와 기준값을 비교하여 기준값보다 크면 LED 구동부(300)를 제어하여 LED로 구성된 경고등(500)을 점등시킴으로써 운전자에게 시각적인 방법으로 경고하여 사각지대에 차량의 접근을 알리는 것이다.The amplified signal is converted into a digital signal by the A / D converter 105 and output to the control unit 200. The control unit 200 compares the input signal with a reference value and controls the LED driver 300 when it is larger than the reference value. By lighting the warning light 500 consisting of LEDs to warn the driver in a visual way to inform the vehicle's approach to the blind spot.

상술한 바와 같이 본 발명에 따르면 자동차의 사각지대에 접근하는 물체를 감지할 수 있기 때문에 운전자가 후방에 대한 정보를 정확하게 알 수가 있으므로 사각지대 내의 차량을 발견하지 못해 생길 수 있는 사고를 미연에 방지하는 효과가 있다.As described above, according to the present invention, since the driver can detect an object approaching the blind spot of the vehicle, the driver can know the information about the rear accurately, thereby preventing an accident that may occur due to the failure to find the vehicle in the blind spot. It works.

Claims (2)

사각지대 내에 차량이 존재하는지 감지하기 위한 감지부(100)와;A detection unit 100 for detecting whether a vehicle exists in a blind spot; 상기 감지부(100)의 신호를 입력받아 차량의 존재여부를 판단하는 제어부(200)와;A control unit 200 which receives a signal from the detection unit 100 and determines whether a vehicle exists; 상기 제어부(100)의 제어신호에 의해 LED 경고등(500)을 점등시키는 LED 구동부(300); 및 상기 각 부에 전원을 공급하는 전원부(400);를 포함하여 이루어진 것을 특징으로 하는 운전 사각지대 감지장치.An LED driver 300 lighting the LED warning light 500 by the control signal of the controller 100; And a power supply unit 400 for supplying power to each unit. 제 1항에 있어서, 상기 감지부(100)는The method of claim 1, wherein the detection unit 100 제어부의 제어에 의해 적외선 송신부를 작동시키는 센서 구동부(102)와;A sensor driver 102 for operating the infrared transmitter under control of the controller; 운전 사각지대에 적외선을 방사하는 적외선 송신부(101)와;An infrared transmitter 101 for emitting infrared rays to the blind spots of operation; 운전 사각지대에 접근하는 차량에 반사된 적외선을 수신하는 적외선 수신부(103)와;An infrared receiver 103 for receiving infrared rays reflected from a vehicle approaching a driving blind spot; 상기 적외선 수신부(103)에 수신된 적외선 신호를 증폭시키는 증폭부(104)와;An amplifier 104 which amplifies the infrared signal received by the infrared receiver 103; 증폭된 신호를 제어부(200)가 판단할 수 있는 디지털 신호로 변환하는 A/D컨버터(105);를 포함하여 이루어진 것을 특징으로 하는 운전 사각지대 감지장치.A / D converter 105 for converting the amplified signal into a digital signal that can be determined by the control unit 200; blind spot detection device comprising a.
KR1020030038267A 2003-06-13 2003-06-13 Sensor givimg driver notice that cars heading for his car KR20040107253A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102815268A (en) * 2012-08-07 2012-12-12 金豪 Vehicle rearview mirror blind area detection and alarm device and detection and alarming method thereof
KR101490059B1 (en) * 2013-11-29 2015-02-04 쌍용자동차 주식회사 Apparatus for interior illumination warning of vehicle with blind spot object detecting and method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102815268A (en) * 2012-08-07 2012-12-12 金豪 Vehicle rearview mirror blind area detection and alarm device and detection and alarming method thereof
KR101490059B1 (en) * 2013-11-29 2015-02-04 쌍용자동차 주식회사 Apparatus for interior illumination warning of vehicle with blind spot object detecting and method thereof

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