KR100483275B1 - Radar system for vehicle - Google Patents
Radar system for vehicle Download PDFInfo
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- KR100483275B1 KR100483275B1 KR10-2002-0055061A KR20020055061A KR100483275B1 KR 100483275 B1 KR100483275 B1 KR 100483275B1 KR 20020055061 A KR20020055061 A KR 20020055061A KR 100483275 B1 KR100483275 B1 KR 100483275B1
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- vehicle
- radar
- signal
- obstacle
- driver
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- 238000001514 detection method Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 2
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/88—Radar or analogous systems specially adapted for specific applications
- G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
- G01S13/931—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of land vehicles
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R2300/00—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle
- B60R2300/80—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the intended use of the viewing arrangement
- B60R2300/8093—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the intended use of the viewing arrangement for obstacle warning
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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
- 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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- 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
- B60W2050/146—Display means
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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
- B60W2420/00—Indexing codes relating to the type of sensors based on the principle of their operation
- B60W2420/40—Photo, light or radio wave sensitive means, e.g. infrared sensors
- B60W2420/408—Radar; Laser, e.g. lidar
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2400/00—Special features of vehicle units
- B60Y2400/30—Sensors
- B60Y2400/301—Sensors for position or displacement
- B60Y2400/3017—Radars
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2400/00—Special features of vehicle units
- B60Y2400/90—Driver alarms
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- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Traffic Control Systems (AREA)
- Radar Systems Or Details Thereof (AREA)
Abstract
본 발명은 차량용레이더시스템에 관한 것으로, 종래의 야간이나 우천시에 발생하는 거울을 이용한 사각지대 감지방법의 문제점을 해결하기 위하여, 레이더신호를 발생하는 다수개의 레이더 송신기와; 상기 레이더신호 중 장애물에 반사된 레이더신호를 수신하며 차량의 측면에 위치하는 다수개의 레이더수신기와; 상기 레이더수신기에서 발생하는 전기신호를 수신하고 이를 분석하는 제어부와; 상기 제어부에서 발생한 신호에 따라 차량의 주위의 상황을 표시하여 주는 표시기를 포함하여 차량 전후측방의 장애물을 감지할 수 있는 차량용 레이더 시스템을 제공하는 것이다. The present invention relates to a vehicle radar system, in order to solve the problem of the conventional blind spot detection method using a mirror generated at night or in the rain, a plurality of radar transmitter for generating a radar signal; A plurality of radar receivers which receive a radar signal reflected from an obstacle among the radar signals and are located at a side of the vehicle; A control unit which receives an electrical signal generated by the radar receiver and analyzes it; It is to provide a vehicle radar system that can detect obstacles in the front and rear of the vehicle, including an indicator for displaying the situation around the vehicle in accordance with the signal generated by the control unit.
Description
본 발명은 차량용레이더시스템에 관한 것으로, 레이더신호를 발생하는 다수개의 레이더 송신기와; 상기 레이더신호 중 장애물에 반사된 레이더신호를 수신하며 차량의 측면에 위치하는 다수개의 레이더수신기와; 상기 레이더수신기에서 발생하는 전기신호를 수신하고 이를 분석하는 제어부와; 상기 제어부에서 발생한 신호에 따라 차량의 주위의 상황을 표시하여 주는 표시기를 포함하여 차량 전후측방의 장애물을 감지할 수 있는 차량용 레이더 시스템에 관한 것이다. .The present invention relates to a vehicle radar system, comprising: a plurality of radar transmitters for generating a radar signal; A plurality of radar receivers which receive a radar signal reflected from an obstacle among the radar signals and are located at a side of the vehicle; A control unit which receives an electrical signal generated by the radar receiver and analyzes it; The present invention relates to a vehicle radar system capable of detecting obstacles in front and rear sides of a vehicle, including an indicator for displaying a situation around the vehicle according to a signal generated by the controller. .
차량 운전자는 운전자의 차량에 근접하지만 안 보이는 사각지대에 있는 장애물을 시각적으로 감지하기 어려운 문제점을 경험한다. 이 사각지대는 일반적으로 차량의 전방에 대하여 시계 방향으로 각도가 90도 내지 170도 사이인 영역을 통칭한다. Vehicle drivers experience problems that are difficult to visually detect obstacles in blind spots that are close to the driver's vehicle but are invisible. This blind spot generally refers to an area between 90 degrees and 170 degrees clockwise relative to the front of the vehicle.
운전자가 우회전하거나 우측으로 차선변경을 하는 경우 오른쪽 사각 지대에 장애물이 존재하는 것을 인식하지 못 하면 차량사고를 야기할 가능성이 높아진다. 종래에는 사각지대의 장애물을 감지하기 위하여 차량의 측면에 각각 거울을 부착하고, 또한 실내에도 거울을 부착하여 제한적으로나마 사각지대를 줄이려고 노력하였다. 또한 근래에는 실내에 볼록거울을 측면에 설치하여 차량의 아주 근접한 측면영역까지도 감지하려는 노력을 기울이고 있다. If the driver turns right or changes lanes to the right, it is more likely to cause a car accident if the driver does not recognize the presence of obstacles in the right blind spot. Conventionally, in order to detect obstacles in blind spots, mirrors are attached to each side of the vehicle, and in addition, a mirror is also attached to the interior to reduce the blind spots. Recently, convex mirrors are installed on the sides of the room, and efforts have been made to detect even the closest side area of the vehicle.
그러나, 거울은 어느 정도 사각지대를 감소시켜주는 역할을 하지만, 야간주행시나 우천시에는 타 차량에 구비되어 있는 전조등 불빛의 반사광이나 측면 유리창에 맺히는 빗방울 때문에 사용에 어려움이 발생한다.또한, 거울로 장애물을 인지하는 경우, 차량과 장애물과의 정확한 거리를 인지하기가 불가능하므로, 주차시 장애물과 잦은 접촉사고가 발생하는 문제점이 발생한다. However, the mirror reduces the blind spots to some extent, but it is difficult to use due to the reflection of the headlights of other vehicles or the raindrops on the side windows during nighttime driving or raining. If it is recognized, since it is impossible to recognize the exact distance between the vehicle and the obstacle, there is a problem that frequent contact accidents with the obstacle when parking.
이에 본 발명은 상기와 같은 문제점들을 해소하기 위해 발명된 것으로써, 본 발명의 목적은 운전자가 시각으로 감지하기 어려운 사각지대를 레이더시스템을 이용하여 운전자 전방의 표시기에 표시하여 차량의 전후측방의 상황을 감지할 수 있도록 하는 차량용 레이더시스템을 제공하는 것이다. Accordingly, the present invention has been invented to solve the above problems, an object of the present invention is to display a blind spot that is difficult for the driver to visually detect by using a radar system on the indicator in front of the driver, the situation of the front and rear of the vehicle It is to provide a vehicle radar system that can detect the.
더 바람직하게는 차량의 장애물이 차량과 일정거리보다 더 근접하는 경우에는 충돌경보음을 발생하는 경보기를 구비하여 차량의 충돌사고나 접촉사고를 미연에 방지한다. More preferably, when the obstacle of the vehicle is closer to the vehicle than a certain distance, an alarm for generating a crash alarm sound is provided to prevent the collision or contact accident of the vehicle in advance.
또한 더 바람직하게는 상기 표시기는 운전자의 차량을 중심으로 장애물의 위치를 표시하는 표시창을 구비하여 운전자가 차량 주변의 상황을 한눈에 알아볼 수 있도록 하여 운전자의 안전운행에 도움을 준다. More preferably, the indicator is provided with a display window that displays the position of the obstacle around the driver's vehicle so that the driver can recognize the situation around the vehicle at a glance to assist the driver in driving safely.
상기와 같은 목적을 달성하기 위한 본 발명은 레이더신호를 발생하는 다수개의 레이더 송신기와; 상기 레이더신호 중 장애물에 반사된 레이더신호를 수신하며 차량의 측면에 위치하는 다수개의 레이더수신기와; 상기 레이더수신기에서 발생하는 전기신호를 수신하고 이를 분석하는 제어부와; 상기 제어부에서 발생한 신호에 따라 차량의 주위의 상황을 표시하여 주는 표시기를 포함한다.The present invention for achieving the above object and a plurality of radar transmitter for generating a radar signal; A plurality of radar receivers which receive a radar signal reflected from an obstacle among the radar signals and are located at a side of the vehicle; A control unit which receives an electrical signal generated by the radar receiver and analyzes it; And an indicator for displaying a situation around the vehicle according to the signal generated by the controller.
더 바람직하게는 상기 제어부에서 발생한 신호에 따라 충돌가능성 여부를 경고하여주는 경보기를 더 포함하고, 또한 상기 표시기는 운전석 전면에 위치하며, 식별하기 쉽게 운전자의 차를 중심으로 주변 장애물의 위치를 표시하는 표시창을 구비한다. More preferably, it further comprises an alarm for warning of the possibility of a collision according to the signal generated by the control unit, and the indicator is located in front of the driver's seat, it is easy to identify the position of the obstacle around the driver's car for easy identification A display window is provided.
이하, 본 발명의 바람직한 실시예를 첨부된 도면을 참조하여 설명한다. 또한 본 실시예는 본 발명의 권리범위를 한정하는 것은 아니고, 단지 예시로 제시된 것이다.Hereinafter, exemplary embodiments of the present invention will be described with reference to the accompanying drawings. In addition, this embodiment is not intended to limit the scope of the present invention, but is presented by way of example only.
도 1은 본 발명에 따른 일 실시예의 구성도이다.1 is a block diagram of an embodiment according to the present invention.
도 1에 도시된 바와 같이 본 발명은 제어부(2)와, 다수개의 레이더신호 송신기(3, 4, 5, 6, 7, 8)와 레이더 신호 수신기(9, 10, 11, 12, 13, 14)와 표시부(16)와 경보기(18)를 구비한다. As shown in FIG. 1, the present invention includes a control unit 2, a plurality of radar signal transmitters 3, 4, 5, 6, 7, 8, and a radar signal receiver 9, 10, 11, 12, 13, 14. ) And a display unit 16 and an alarm 18.
차량내부에 설치된 제어부(2)에서 다수개의 레이더신호송신기(3, 4, 5, 6, 7, 8)에 작동신호를 송신한다. 상기 작동신호를 수신한 다수개의 레이더 신호송신기(3, 4, 5, 6, 7, 8)는 레이더신호를 차량주변으로 송신한다. The control unit 2 installed inside the vehicle transmits an operation signal to the plurality of radar signal transmitters 3, 4, 5, 6, 7, 8. The plurality of radar signal transmitters 3, 4, 5, 6, 7, 8 which have received the operation signal transmit the radar signal around the vehicle.
상기 레이더 신호 중 일부는 차량 주위에 장애물이 존재하는 경우 장애물에 반사되어 돌아오고, 상기 반사된 레이더 신호는 레이더 신호 수신기(9, 10, 11, 12, 13, 14)에 수신된다. Some of the radar signals are returned to the obstacle when there is an obstacle around the vehicle, and the reflected radar signals are received by the radar signal receivers 9, 10, 11, 12, 13, 14.
수신된 신호는 제어부(2)로 전송되고, 제어부(2)는 상기 수신된 신호를 분석하여 장애물의 위치를 판단한다. 제어부(2)는 판단한 결과에 따른 신호를 표시부(16)와 경보기(18)에 송신한다. 더 상세히 기술하면, 장애물과의 거리가 소정의 거리 이하인 경우에는 제어부(2)는 경보기에 작동신호를 송신하고, 또한 차량을 중심으로 장애물위치의 방향과 거리를 나타내는 신호를 표시부에 송신하는 것이다.The received signal is transmitted to the control unit 2, the control unit 2 analyzes the received signal to determine the position of the obstacle. The control unit 2 transmits a signal according to the determined result to the display unit 16 and the alarm 18. More specifically, when the distance to the obstacle is less than or equal to the predetermined distance, the control unit 2 transmits an operation signal to the alarm, and also transmits a signal indicating the direction and distance of the obstacle position about the vehicle to the display unit.
상기 경보기(18)는 제어부에서 작동신호를 송신하는 경우 차량내부의 스피커를 통하여 경보음을 출력한다.The alarm 18 outputs an alarm sound through a speaker inside the vehicle when the control unit transmits an operation signal.
상기 표시부(16)는 운전석의 전방에 위치하며 운전자의 차량을 중심으로 각 장애물의 방향과 거리를 시각적으로 표시하는 표시창(20)을 구비한다. The display unit 16 is located in front of the driver's seat and includes a display window 20 for visually displaying the direction and distance of each obstacle around the driver's vehicle.
도 2는 본 발명에 따른 실시예의 표시창(20)의 정면도이다. 상기 표시창은 LCD모니터로 구성되며, 도시한 바와 같이 표시창의 중심에는 차량 형상의 운전자 차량표시(21)가 존재하며, 제어부(2)의 신호에 따라 장애물의 위치가 X표시(23)로 나타내어진다. 동시에 상기 표시창(20)은 운전자차량 표시를 중심으로 원 형상의 거리기준선(25)을 구비하고 운전자는 상기 표시(21, 23)와 거리기준선(25)에 의하여 장애물의 방향과 위치를 파악한다.2 is a front view of the display window 20 of the embodiment according to the present invention. The display window is composed of an LCD monitor. As shown in the figure, a driver vehicle display 21 having a vehicle shape exists at the center of the display window, and the position of an obstacle is indicated by an X display 23 according to a signal of the controller 2. . At the same time, the display window 20 has a circular distance reference line 25 around the driver vehicle display, and the driver grasps the direction and position of the obstacle by the displays 21 and 23 and the distance reference line 25.
상기한 바와 같이, 본 발명은 레이더신호를 발생하는 다수개의 레이더 송신기와; 상기 레이더신호 중 장애물에 반사된 레이더신호를 수신하며 차량의 측면에 위치하는 다수개의 레이더수신기와; 상기 레이더수신기에서 발생하는 전기신호를 수신하고 이를 분석하는 제어부와; 상기 제어부에서 발생한 신호에 따라 충돌가능성 여부를 경고하여주는 경보기와; 운전석 전면에 위치하며, 식별하기 쉽게 운전자의 차량을 중심으로 주변 장애물의 위치 및 거리를 표시하는 표시창을 포함하여 운전자가 직접 시각으로 인식하지 못하는 사각지대의 상황을 표시창을 통하여 한 눈에 식별가능하게 함으로써, 시야가 불량한 경우의 접촉사고를 미연에 방지할 뿐만 아니라, 주차시 주변 장애물과 충돌하는 것을 방지하여 운전자가 보다 편리하고 안전하게 주차를 할 수 있도록 한다. As described above, the present invention includes a plurality of radar transmitters for generating a radar signal; A plurality of radar receivers which receive a radar signal reflected from an obstacle among the radar signals and are located at a side of the vehicle; A control unit which receives an electrical signal generated by the radar receiver and analyzes it; An alarm for warning of a possibility of collision according to a signal generated by the controller; Located at the front of the driver's seat, the blind spots that are not directly visible to the driver can be identified at a glance, including a display window that displays the location and distance of obstacles around the driver's vehicle for easy identification. By doing so, not only prevents accidents in case of poor visibility, but also prevents collision with surrounding obstacles when parking, so that the driver can park more conveniently and safely.
또한, 장애물이 소정거리보다 더 근접하는 경우에는 경보음이 울려서, 차량의 충돌사고나 접촉사고를 방지하는 기능을 가진다.In addition, when the obstacle is closer than the predetermined distance, the alarm sounds, and has a function of preventing the collision or contact accident of the vehicle.
도 1은 본 발명에 따른 일 실시예의 구성도이다.1 is a block diagram of an embodiment according to the present invention.
도 2는 본 발명에 따른 실시예의 표시창의 정면도이다. 2 is a front view of a display window of an embodiment according to the present invention.
*도면의 주요부분에 대한 부호의 설명** Description of the symbols for the main parts of the drawings *
1 : 차량 2 : 제어부1: vehicle 2: control unit
3 : 레이더신호송신기 9 : 레이더신호수신기3: radar signal transmitter 9: radar signal receiver
16 : 표시부 18 : 경보기16 display unit 18 alarm
20 : 표시창 21 : 운전자차량표시20: display window 21: driver vehicle display
23 : 장애물 표시 25 : 거리기준선23: obstacle display 25: distance reference line
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| KR10-2002-0055061A KR100483275B1 (en) | 2002-09-11 | 2002-09-11 | Radar system for vehicle |
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| KR100483275B1 true KR100483275B1 (en) | 2005-04-15 |
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| KR20160112672A (en) | 2015-03-20 | 2016-09-28 | 주식회사 디젠 | Apparatus for processing Radar signal and the method thereof |
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| KR100716116B1 (en) * | 2005-11-08 | 2007-05-09 | 경신공업 주식회사 | Car position monitoring system using sensors |
| KR101513878B1 (en) * | 2014-03-19 | 2015-04-22 | (주)디지탈엣지 | Radar apparatus, collision avoidance and accident recode method thereof |
| KR102086131B1 (en) | 2017-11-24 | 2020-03-06 | 현대오트론 주식회사 | Tractor having blind spot detection system and method for estimating trailer hitch rotation angle thereof |
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| US5633642A (en) * | 1993-11-23 | 1997-05-27 | Siemens Aktiengesellschaft | Radar method and device for carrying out the method |
| KR19980052731A (en) * | 1996-12-24 | 1998-09-25 | 오상수 | Lateral Collision Avoidance Alarm System |
| KR19990026666A (en) * | 1997-09-25 | 1999-04-15 | 오상수 | Anti-collision warning device combined with laser detector |
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