WO2016080744A1 - Système de sûreté pour signaux auxiliaires de circulation - Google Patents

Système de sûreté pour signaux auxiliaires de circulation Download PDF

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Publication number
WO2016080744A1
WO2016080744A1 PCT/KR2015/012367 KR2015012367W WO2016080744A1 WO 2016080744 A1 WO2016080744 A1 WO 2016080744A1 KR 2015012367 W KR2015012367 W KR 2015012367W WO 2016080744 A1 WO2016080744 A1 WO 2016080744A1
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WO
WIPO (PCT)
Prior art keywords
traffic
signal
auxiliary
pedestrian
display unit
Prior art date
Application number
PCT/KR2015/012367
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English (en)
Korean (ko)
Inventor
강정한
Original Assignee
주식회사 이노텍코리아
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Application filed by 주식회사 이노텍코리아 filed Critical 주식회사 이노텍코리아
Publication of WO2016080744A1 publication Critical patent/WO2016080744A1/fr

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    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G08G1/095—Traffic lights

Definitions

  • the present invention relates to a traffic signal system, and to a traffic signal assistance safety system that can protect pedestrian crossings in areas where blind spots such as intersections or hills occur.
  • crosswalks are roads laid on the roadway by installing safety signs or road signs to allow pedestrians to cross the road.
  • 'crosswalk sidewalk traffic accident data' released by the Korea Highway Traffic Authority in 2013, one person dies every six days on a crosswalk and an average of 220 crosswalk accidents per month occurs. .
  • Korean Patent No. 10-1388872 (2014.04.23.) Is provided on both sides of the crosswalk 400.
  • crosswalk traffic safety system including a safety device for the safety of life in the crosswalk 400 section To provide.
  • Such a crosswalk traffic safety system is based on the output signal of the life sensing unit in addition to the output signal of the traffic light, and aims at preventing the safety accident at the crosswalk even in the case of adults who ignore accidental pedestrians or traffic lights. have.
  • the prior art is a technology that detects the presence of life, that is, a pedestrian in the crosswalk section to operate a safety device, etc., but distinguishes the case where the creature detected in the crosswalk section crosses the crosswalk and otherwise passes
  • There is a problem of malfunction because it does not include the technology to do, there is a problem that the maintenance of the barricade operation unit for restricting the passage of pedestrians or vehicles is required and the efficiency is low.
  • the present invention is based on the existing signal system and method, but in particular by predicting the pedestrian's behavior at the intersection to display the visual information on the pedestrians ahead of the vehicle for the right turn in advance
  • a traffic signal assisted safety system is provided to prevent accidents.
  • a traffic signal display system of a crosswalk the first sensor unit is installed on the road approaching the crosswalk to detect the approach vehicle;
  • a second sensor unit provided as a kinetic sensor and installed on a sidewalk connected to the pedestrian crossing to sense acceleration information according to the movement of the pedestrian;
  • a main body provided to be mounted on an upper part of a traffic light, a street lamp, or a road sign;
  • a first auxiliary signal display unit embedded in the main body, the LED dial configured to be installed at an upper end of a traffic light so as to face a traveling direction of the vehicle, and configured to display a warning letter under the control of the controller;
  • control unit the pedestrian determination module is provided to determine whether or not to cross the pedestrian crossing according to the information provided from the second sensor unit;
  • a signal receiving module provided to receive a signal conversion signal from a traffic light control device;
  • the right turn vehicle provided to display a warning signal in front of the right turn vehicle entering the crosswalk by controlling the first auxiliary signal display unit to the second auxiliary signal display unit according to the information transmitted from the pedestrian determining module and the signal receiving module.
  • a traffic signal auxiliary safety system including a control module is provided.
  • the main body may include a casing for accommodating the first auxiliary signal display part, the second auxiliary signal display part, and the controller; And a fixing mount provided at a lower portion of the casing and configured to couple the casing to one side of the traffic light.
  • the fixing mount may include a rotating plate coupled to a bottom surface of the casing; One side of the rear of the hinge plate is coupled to the front end of the rotating plate, the traffic light coupling stage is formed in the bottom surface is fixed groove to be fitted to the upper edge of the traffic light; And a bracket which is formed in a ring shape so that one end is coupled to the horizontal rod on which the traffic light is fixed, and the other end is formed of a coupling plate bolted to one side of the casing.
  • the bracket includes a bolt fastening hole of the coupling plate.
  • a traffic signal auxiliary safety system characterized in that formed.
  • the traffic signal auxiliary safety system may be additionally installed in the existing traffic signal system, and may warn the driver at a place where blind spots occur for a crosswalk, such as a right turn of a vehicle, a hill, a sharp curve area, or the like.
  • a system is provided to prevent accidents by presenting visual signals.
  • the information safety of the visual warning can be enhanced, so that an auxiliary safety system with excellent accident prevention function is provided.
  • the mount and the main body are additionally installed to the existing prop installed with the traffic light, it is economical because there is no need to install a separate prop for the installation, and it does not interfere with the existing traffic light system.
  • FIG. 1 is a block diagram showing an embodiment of a traffic signal auxiliary safety system according to the present invention.
  • FIG. 2 is a perspective view showing an embodiment of the main body of the traffic signal auxiliary safety system according to the present invention.
  • FIG. 3 is an exploded perspective view showing an embodiment of a mount of the traffic signal auxiliary safety system according to the present invention.
  • FIG. 4 is a block diagram showing an embodiment of a control unit of the traffic signal auxiliary safety system according to the present invention.
  • FIG. 5 is a schematic diagram showing a sensing range of the second sensor unit of the traffic signal auxiliary safety system according to the present invention.
  • FIG. 6 is a flowchart illustrating the operation of the control unit of the traffic signal auxiliary safety system according to the present invention.
  • the present invention may include a first sensor unit 10, a second sensor unit 20, and a main body unit 100.
  • the first sensor unit 10 may be provided at one side of a roadside or a traffic light prop so as to detect a vehicle approaching a crosswalk. For example, in the case of a vehicle turning right at an intersection, the vehicle may be detected when the vehicle is approached to the first sensor unit 10 for the right turning by being installed on the upper side or the inside of the sidewalk boundary stone of the right turning lane.
  • the first sensor unit 10 may be provided as an infrared or laser sensor that simply detects the vehicle entering the sensing range 10a.
  • an acceleration sensor may be provided to analyze the acceleration of the vehicle and provide it to the controller 150.
  • the acceleration sensor is a sensor for detecting the moving speed of the vehicle, the sensor body itself is fixed, it may be a sensor that operates in a manner by measuring the laser light.
  • the second sensor unit 20 is a sensor for detecting a pedestrian on a sidewalk to enter the crosswalk, and may be provided as a kinetic sensor to grasp the intention of entering the crosswalk.
  • Kinetic sensor is a sensor that can three-dimensional coordinate the movement and the relative distance of the object in the three-dimensional space by using an infrared laser, it can separately detect the detailed movements of the human body and the movement performed by a number of objects.
  • the sensing range 20a of the second sensor unit 20 may be set to a predetermined space on the sidewalk for entering the crosswalk.
  • the sensing range 20a is set to a rectangular space having a width of 100 to 150% with respect to the width of the crosswalk and a length of 2 to 5 m to the side of the side of the sidewalk based on the starting point of the crosswalk. It can detect the movement of pedestrians moving inside.
  • pedestrians move in front of the crosswalk to wait for a signal and enter the crosswalk according to the signal, or when the signal changes in a timely manner, enter the crosswalk without stopping in the sidewalk, or ignore the pedestrian signal after stopping. Walk in the way of entering.
  • the sensing range 20a of the second sensor unit 20 may be set to a space extending to the side of the sidewalk based on the crosswalk as described above, thereby securing a range for detecting the moving line of the pedestrian.
  • the main body 100 includes a casing 110, a fixing mount 120, a first auxiliary signal display unit 130, a second auxiliary signal display unit 140, a controller 150, and the like.
  • the solar power generation unit 160 may be configured.
  • the casing 110 is provided to be built with a traffic signal auxiliary safety display device according to the present invention, the configuration according to the present invention is built in the inner side is made to be mounted on the upper end of the existing traffic light (300). Accordingly, the casing 110 is provided to be fixed to the top of the traffic light 300, the fixing mount 120 is attached to the bottom as shown in FIG.
  • the casing 110 may be installed by using props that are set up near intersections such as street lights and traffic signs in order to deliver auxiliary traffic signals to vehicles in areas where blind spots occur in the direction of the vehicle as well as traffic lights.
  • the casing 110 may be coupled to the fixing mount 120, which will be described later, on the bottom surface, and the fixing mount 120 may be coupled to a horizontal rod attached to the support so that the main body 100 may be installed in a corresponding region.
  • the traffic light 300 for the vehicle is generally installed on the horizontal bar 310 across the top of the road, as shown in Figure 2 can be installed freely rotated on the upper and lower horizontal bar with the horizontal bar 310 as an axis. According to the actual traffic light installation environment, the fastening position of the traffic light 300 and the horizontal bar 310 may be changed.
  • the installation conditions may vary depending on the fastening angle of the traffic light 300 and the horizontal bar 310, so that the additional means for mounting the main body 100 Is required.
  • Fixing mount 120 is coupled to the bottom surface of the casing 110 is hinged to the front edge of the rotating plate 120c, the rotating plate 120c is provided to support the casing 110, traffic lights 300 on the bottom ) May be made of a signal light coupling table 120b and a bracket 121 in which a fixing groove is formed to be fitted at an upper edge of the upper edge.
  • the bracket 121 is formed so that one side is formed in a ring shape so as to be fitted to the horizontal bar 310, and the other end is formed as a coupling plate to be bolted to the side of the casing 110.
  • the coupling plate is formed with a bolt fastening hole (121a) for fastening the bolt
  • the bolt fastening hole (121a) is formed in an oval shape in accordance with the rotation radius of the casing 110 coupled to the rotating plate (120c), horizontal bar ( It is possible to maintain the bolt fastening state on both sides of the casing 110 while rotating with the rotation axis 310.
  • the upper end of the casing 110 may be provided to be attached to the photovoltaic unit 160 is provided to supply the power required for driving the main body 100.
  • the solar power generation unit 160 may further include a solar panel, a charging unit, a power control unit, and the like, and thus description thereof will be omitted.
  • the first auxiliary signal display unit 130, the second auxiliary signal display unit 140, and the controller 150 may be embedded in the casing 110.
  • the first auxiliary signal display unit 130 may be provided as an LED dial to provide text-based information on surrounding traffic conditions to a driver traveling in an opposite direction. For example, in the case of a right turn vehicle, when a pedestrian is on the right pedestrian crossing, a warning message of "right pedestrian attention" may be displayed, and various traffic information characters may be displayed depending on the location of the main body 100 installed in the traffic light system of the intersection. can do.
  • the second auxiliary signal display unit 120 is provided as a laser beam projector that can project the traffic information 141 on the road surface in front of the driving direction of the vehicle.
  • the second auxiliary signal display unit 120 may need to project text information from the main body 100 mounted on the traffic light 300 across the intersection to the road surface, and in this case, a projector is required to maintain the optical focus up to a considerable distance. . Accordingly, by applying a beam projector using a single color laser diode, it is possible to project visual information such as characters, traffic codes, and figures on a road from a crossroads at a long distance.
  • the second auxiliary signal display unit 120 can project traffic information in the forward direction of the vehicle at a relatively long distance, the traffic information for the right-joined vehicle or the left turn-joined vehicle as shown in FIG. By causing 141 to be displayed on the road surface ahead of the traveling direction, it is possible to suppress the occurrence of an accident in the vehicle confluence area.
  • the second auxiliary signal display unit 120 may project the traffic information 141 at various locations as the main body 100 may be installed on a prop of a traffic light, a street lamp, or a traffic sign. Accident occurrence can be suppressed by effectively projecting traffic information on the road ahead of the vehicle in the area where the vehicle is difficult to install.
  • the display method of the second auxiliary signal display unit 120 may allow a character, a traffic code, and a figure to be projected, and the vehicle, other shapes, and patterns may blink at predetermined time intervals according to the shape or the need of a pedestrian. You can increase the calendar.
  • the second auxiliary signal display unit 120 may be provided as a 3D hologram device so that the traffic information 141 implemented as a 3D image may be displayed in the air of the corresponding area.
  • the controller 150 may include a pedestrian determining module 151, a signal receiving module 152, and a right turn vehicle control module 153.
  • the pedestrian determination module 151 is configured to determine whether or not a pedestrian attempts to enter the crosswalk 200 based on kinetic information received from the first sensor unit 10.
  • the first sensor unit 10 is composed of a kinetic sensor and transmits the movement and movement information of the pedestrian detected in the sensing range 20a to the pedestrian determination module 151.
  • the pedestrian determination module 151 analyzes the information as a pedestrian's position and acceleration parameters to determine the pedestrian crossing crossing intention.
  • the sensing range 20a is divided into an area A adjacent to the crosswalk 200 and a sidewalk, and an area B surrounding the sensing range 20a except for the area A. Is detected.
  • the pedestrian determination module 151 intends to cross the pedestrian crossing 200 according to the following options. Can be determined.
  • the pedestrian determination module 151 may transmit a signal to the right turn vehicle control module 153 by determining the intention of whether the pedestrian detected in the sensing range 20a to cross the crosswalk.
  • the signal receiving module 152 receives a signal indicating whether the traffic light 200 on the crosswalk 300 is a walking signal or a stop signal from the traffic light control device 310 and transmits the signal to the pedestrian determination module 151. .
  • the right turn vehicle control module 153 may include a first turning vehicle and a pedestrian crossing a crosswalk based on information received from the pedestrian determination module 151, the signal receiving module 152, and the first sensor unit 10.
  • the auxiliary signal display unit 130 and the second auxiliary signal display unit 140 are operated to display the auxiliary signal to the right-turning vehicle.
  • the right turn vehicle control module 153 first receives and determines information about whether the right turn vehicle enters from the first sensor unit 10. When the right turn vehicle is detected, the next step receives information about whether there is a pedestrian crossing the crosswalk or waiting for a signal from the second sensor unit 20. When it is determined that the pedestrian is waiting for a signal and is not crossing the crosswalk, the right turn vehicle control module 153 may prevent the auxiliary signal from being displayed to the vehicle.
  • the right turn vehicle control module 153 may display the first auxiliary signal display unit 130 to the first for the right turn vehicle. By controlling the auxiliary signal display unit 140 to blink, a warning signal can be displayed on the vehicle.
  • the right turn vehicle control module 153 may stop the operation of the first auxiliary signal display unit 130 to the second auxiliary signal display unit 140 so that the traffic flows smoothly.
  • the driver or the pedestrian is blunted to the signal by the excessive occurrence of unnecessary signals by detecting the right-turning vehicle and the pedestrian crossing pedestrian at the same time, and selectively displaying the auxiliary signal, especially in the right-turning area of the intersection. It is possible to reduce the occurrence of traffic accidents at pedestrian crossings by preventing the adverse effects of land and by eliminating blind spots of vehicles.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Traffic Control Systems (AREA)
  • Road Signs Or Road Markings (AREA)

Abstract

La présente invention concerne un système de signaux de circulation, et comprend un système de sûreté pour signaux auxiliaires de circulation comportant: une première unité de capteur installée de façon à détecter un véhicule se rapprochant; une deuxième unité de capteur se présentant sous la forme d'un capteur cinétique et installée sur un trottoir relié à un passage pour piétons; une unité de corps principal installée de façon à être maintenue sur un feu de circulation; une première unité auxiliaire d'affichage de signal et une deuxième unité auxiliaire d'affichage de signal incorporées dans l'unité de corps principal; une unité de commande installée pour commander la première unité auxiliaire d'affichage de signal et la deuxième unité auxiliaire d'affichage de signal; et une unité de génération d'électricité solaire installée à l'extrémité supérieure de l'unité de corps principal et installée à l'extrémité supérieure de la deuxième unité auxiliaire d'affichage de signal.
PCT/KR2015/012367 2014-11-18 2015-11-18 Système de sûreté pour signaux auxiliaires de circulation WO2016080744A1 (fr)

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KR1020140160596A KR101547807B1 (ko) 2014-11-18 2014-11-18 교통신호 보조안전시스템
KR10-2014-0160596 2014-11-18

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CN106710261A (zh) * 2017-03-07 2017-05-24 翁小翠 智能交通指示装置
KR101773515B1 (ko) 2017-07-11 2017-09-01 한국건설기술연구원 블루투스-와이파이 센서 기반의 스마트 교통제어 시스템 및 그 방법
CN107481516A (zh) * 2017-09-21 2017-12-15 临沂市华夏高科信息有限公司 一种行人过街安全警示系统
CN108717783A (zh) * 2018-05-16 2018-10-30 中国市政工程西北设计研究院有限公司 一种十字路口行人过马路安全提示系统
CN112185144A (zh) * 2019-07-01 2021-01-05 大陆泰密克汽车系统（上海）有限公司 交通预警方法以及系统
CN113240922A (zh) * 2021-05-08 2021-08-10 宁波德尔菲信息科技有限公司 一种基于交通流时空突变的交通事件预警装置
CN116403439A (zh) * 2023-06-08 2023-07-07 吉林省东启铭网络科技有限公司 智慧化社区安全管理用视频监控系统

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CN105225501A (zh) * 2015-09-30 2016-01-06 大连理工大学 一种路段人行横道的多级交通响应式信号控制方法
KR101655730B1 (ko) * 2016-03-04 2016-09-08 주식회사 드림인테크 빔프로젝터를 구비한 스마트형 교통안전시스템
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KR101800007B1 (ko) * 2017-08-31 2017-11-21 주식회사 케이피엔 횡단보도 보행자를 위한 안전지킴 cctv 시스템
KR102034285B1 (ko) * 2018-11-27 2019-10-18 주식회사 제이씨레이다 감지 장치와 경보 수단을 이용한 안전 보행 시스템
KR102213524B1 (ko) * 2020-11-25 2021-02-09 주식회사 일렉콤 스마트 바닥 신호등
KR102387516B1 (ko) * 2021-08-24 2022-04-19 주식회사 센서리움 양방향 교통 경보 시스템 및 이를 위한 동작 방법
KR102469146B1 (ko) * 2021-12-17 2022-11-23 (주) 하나텍시스템 우회전차량 보행자경고시스템

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011106829A (ja) * 2009-11-12 2011-06-02 Ihi Corp 移動体検出方法及びレーザ距離測定装置
KR101054541B1 (ko) * 2010-07-01 2011-08-04 이창엽 횡단보도의 신호 조명 컨트롤 장치
KR20140029264A (ko) * 2012-08-31 2014-03-10 가부시키가이샤 덴소 보행자 통지 장치
KR101388872B1 (ko) * 2014-03-17 2014-04-23 안병준 횡단보도 교통 안전 시스템
KR101446048B1 (ko) * 2014-03-28 2014-10-01 주식회사 유니시큐 지능형 횡단보도 보행자 보호 장치 및 이를 가진 보호 시스템

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011106829A (ja) * 2009-11-12 2011-06-02 Ihi Corp 移動体検出方法及びレーザ距離測定装置
KR101054541B1 (ko) * 2010-07-01 2011-08-04 이창엽 횡단보도의 신호 조명 컨트롤 장치
KR20140029264A (ko) * 2012-08-31 2014-03-10 가부시키가이샤 덴소 보행자 통지 장치
KR101388872B1 (ko) * 2014-03-17 2014-04-23 안병준 횡단보도 교통 안전 시스템
KR101446048B1 (ko) * 2014-03-28 2014-10-01 주식회사 유니시큐 지능형 횡단보도 보행자 보호 장치 및 이를 가진 보호 시스템

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106710261A (zh) * 2017-03-07 2017-05-24 翁小翠 智能交通指示装置
KR101773515B1 (ko) 2017-07-11 2017-09-01 한국건설기술연구원 블루투스-와이파이 센서 기반의 스마트 교통제어 시스템 및 그 방법
CN107481516A (zh) * 2017-09-21 2017-12-15 临沂市华夏高科信息有限公司 一种行人过街安全警示系统
CN108717783A (zh) * 2018-05-16 2018-10-30 中国市政工程西北设计研究院有限公司 一种十字路口行人过马路安全提示系统
CN112185144A (zh) * 2019-07-01 2021-01-05 大陆泰密克汽车系统（上海）有限公司 交通预警方法以及系统
CN113240922A (zh) * 2021-05-08 2021-08-10 宁波德尔菲信息科技有限公司 一种基于交通流时空突变的交通事件预警装置
CN116403439A (zh) * 2023-06-08 2023-07-07 吉林省东启铭网络科技有限公司 智慧化社区安全管理用视频监控系统
CN116403439B (zh) * 2023-06-08 2023-10-27 吉林省东启铭网络科技有限公司 智慧化社区安全管理用视频监控系统

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