CN104269068A - People-vehicle cooperative security system for pedestrians and right-turn vehicles at intersection - Google Patents
People-vehicle cooperative security system for pedestrians and right-turn vehicles at intersection Download PDFInfo
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- CN104269068A CN104269068A CN201410551093.7A CN201410551093A CN104269068A CN 104269068 A CN104269068 A CN 104269068A CN 201410551093 A CN201410551093 A CN 201410551093A CN 104269068 A CN104269068 A CN 104269068A
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Abstract
The invention discloses a people-vehicle cooperative security system for pedestrians and right-turn vehicles at an intersection. The people-vehicle cooperative security system comprises pedestrian grating alarm units, a vehicle detection unit, pedestrian crossing warning units and a vehicle warning unit. The pedestrian grating alarm units are installed at entrances at the two ends of a pedestrian crossing crosswalk of the intersection or a T junction with three or more lanes in the single direction and without right turn signal control, and used for detecting the state of pedestrians to enter or exit from the pedestrian crossing crosswalk; the pedestrian crossing warning units are installed at the entrances at the two ends of the pedestrian crossing crosswalk of the intersection or the T junction, and used for providing traffic security warning information and surrounding geographical and commercial service information for pedestrians crossing a street; the vehicle detection unit is installed at the upstream portion of a right turn lane which is a certain distance away from the pedestrian crossing crosswalk, connected with the pedestrian crossing warning units through data lines, and used for providing right-turn vehicle arrival information for pedestrians crossing the street; the vehicle warning unit in installed above the position, between the pedestrian crossing crosswalk and the vehicle detection unit, of the right turn lane, connected with the pedestrian grating alarm units through data lines, and used for providing pedestrian crossing warning information for right-turn vehicles.
Description
Technical field
The present invention relates to a kind of traffic safety backup system, particularly one carries out Real-Time Monitoring to pedestrian's street crossing and right-turning vehicles, there is provided traffic safety alarm information for street pedestrian and assist with surrounding geographical and commercial information service, simultaneously for right-turning vehicles provides the people-Che Cooperative Security system of road safety warning information.
Background technology
Because urban traffic density increases, cross more than one direction three lanes or T-shaped intersection, when through vehicles is in the face of red light waiting signal, the vehicle of intensive queuing is blinded by crosswalk from the wait right front visual field of vehicle left front to right front street pedestrian and the visual field of right-turning vehicles left front, in addition the right-hand rotation traffic of China most of intersection does not control by signal, street pedestrian and right-turning vehicles are often clashed, causes severe jamming pedestrian's personal safety being injured and right-turning vehicles is passed through.
Patent documentation " a kind of assistant system of pedestrian safety of intersection (application publication number CN 102306454 A) " discloses and a kind of to control in real time laser fence according to traffic behavior signal, and reaching makes a dash across the red light to street pedestrian carries out the assistant system of pedestrian safety of intersection of monitoring and warning object.But this system only carries out monitoring and warning to street pedestrian, does not monitor vehicle.Particularly, the laser fence of this system can not identify the direction of pedestrian's in/out crossing.
Patent documentation " intersection safety prompt system (application publication number CN 203659213 U) " is disclosed and a kind ofly to be detected the pedestrian at crossing of passing through, bicycle and motor vehicle by panoramic camera in intersection, and testing result sent to by wireless network will by the system of the motor vehicle of intersection.But this system only carries out safety instruction to right-turning vehicles, does not point out pedestrian's street crossing safety.In addition, under rather dark weather condition, video camera can be very limited to the detection of pedestrian.
Patent documentation " crossroad place right-turning vehicles dodges pedestrian's cue lamp (application publication number CN 102693637 A) " discloses one and utilizes picture pick-up device to monitor crossroad pedestrian's street crossing situation, and lights according to pedestrian's street crossing information control right turn signal lamp or extinguish the signal lamp of pointing out right-turning vehicles.This technology has good forewarning function to right-turning vehicles, but does not give safety instruction for pedestrian's street crossing.Particularly this patent adopts picture pick-up device monitoring crossroad pedestrian's street crossing situation, when environmental light brightness low to a certain extent time, the monitoring effect of picture pick-up device will be very limited.
In addition, above patent documentation is for pedestrian running red light and gives warning measure.
In addition, current pedestrian's street crossing signal control method also also exists some problems:
1. pedestrian's street crossing signal controls inadequate hommization.When pedestrian's street crossing signal is green light, do not point out bilateral multidate information to street pedestrian and right-turning vehicles, to such an extent as under the condition that the bilateral visual field is bad, cannot pedestrains safety be ensured;
2. pedestrian's street crossing signal constraint and control dynamics not strong.For China's traffic participant observe traffic laws rule consciousness present situation, at present to publicity and the punishment increasing of vehicle traffic signal violation, and to the publicity of pedestrian and punishment little, need strengthen observing traffic laws the real-time publicity of rule and the real-time publicity of cost violating the regulations to street pedestrian.
Therefore, be necessary the traffic law Communications Functions increasing pedestrian crossing signal lamp, accomplish the bad behavior warning pedestrian in real time, to give up pedestrian's thought in violation of rules and regulations, thus reach the behavior of specification pedestrian, the object of guarantee pedestrains safety, and auxiliary to provide surrounding geographical and business information, accomplish human nature service.
Summary of the invention
Technical matters to be solved by this invention is: for more than one direction three lanes, without right turn signal control cross or T-shaped intersection, there is provided a kind of and Real-Time Monitoring is carried out to pedestrian's street crossing and right-turning vehicles, there is provided traffic safety alarm information for street pedestrian and assist with surrounding geographical and commercial information service, simultaneously for right-turning vehicles provides the people-Che Cooperative Security system of road safety warning information.
The present invention solves its technical matters and adopts following technical scheme:
A kind of intersection pedestrian provided by the invention and right-turning vehicles people-Che Cooperative Security system, comprise pedestrian's grating alarm unit, vehicle detection unit, pedestrian's street crossing alarm unit and Warning for vehicle unit.Pedestrian grating alarm unit is installed in the cross controlled more than one direction three lanes, without right turn signal or porch, crosswalk two ends, T-shaped intersection, detects the dynamic of pedestrian's in/out crosswalk; In cross or porch, crosswalk two ends, T-shaped intersection, pedestrian's street crossing alarm unit is installed, for street pedestrian provides traffic safety alarm information and surrounding geographical and commerce services information; At the right-turn lane upstream mounting vehicle detecting unit of distance crosswalk certain distance, and be connected with pedestrian's street crossing alarm unit by data line, for street pedestrian provides right-turning vehicles arrival information; Mounting vehicle alarm unit above right-turn lane between crosswalk and vehicle detection unit, and be connected with pedestrian's grating alarm unit by data line, for right-turning vehicles provides pedestrian's street crossing information warning.
Described pedestrian's grating alarm unit comprises four groups of active infrared line correlative detectors and two single-chip microcomputers.Described one group of active infrared line correlative detector is made up of active infrared transmitter, passive infrared receiver, alarm, and at each end entrance place of crosswalk parallel installation of difference two groups of active infrared line correlative detectors.Described two groups of active infrared line correlative detectors and roadside safety guardrail are fixed together, and adopt yellow black alternate fluoresent coating.The active infrared line correlative detector of described single-chip microcomputer use parallel with two groups is connected respectively.In addition, described single-chip microcomputer is also connected with Warning for vehicle unit with pedestrian traffic signal's controller respectively by data line, and controls alarm report audible alert or transmission warning message according to the lights state covering two groups of parallel grating tandem and pedestrian signal lamp during street pedestrian's in/out crosswalk.The pedestrian's street crossing warning message that active infrared line correlative detector is sent by data line by described single-chip microcomputer and warning message send Warning for vehicle unit to.
Described vehicle detection unit comprises earth magnetism wagon detector and wireless receiver.Described earth magnetism wagon detector is embedded on the track, right-turn lane upstream of distance crosswalk certain distance.Described wireless receiver is installed on the right-turn lane trackside of the minimum air line distance of distance earth magnetism wagon detector.Described earth magnetism wagon detector and wireless receiver wireless telecommunications.Described wireless receiver is connected with pedestrian's street crossing alarm unit by data line, sends right-turning vehicles information to pedestrian's street crossing alarm unit.
Described pedestrian's street crossing alarm unit comprises pedestrian crossing signal lamp, information screen and single-chip microcomputer.Described pedestrian's street crossing alarm unit is pedestrian signal lamp and information screen one case structure up and down.The pedestrian's street crossing alarm unit of described one case structure is laid in crosswalk two ends, towards street pedestrian.Described pedestrian signal lamp is connected with pedestrian traffic signal's controller.Described single-chip microcomputer is connected by the wireless receiver of data line with pedestrian traffic signal's controller, information screen and vehicle detection unit, and according to the report content that the right-turning vehicles information control information that traffic light status information and the vehicle detection unit of pedestrian signal lamp transmit is shielded.
Described Warning for vehicle unit comprises LED information screen and single-chip microcomputer.LED information screen is arranged on above the track between the vehicle detection unit on crosswalk and right-turn lane.Described single-chip microcomputer is connected by the single-chip microcomputer of data line with LED information screen and pedestrian's grating alarm unit, and the pedestrian's street crossing information control LED information screen that foundation pedestrian grating alarm unit transmits is turned right, pedestrian's street crossing information warning reported by vehicle.
The present invention compared with prior art has following main advantage:
1. the pedestrian's grating alarm unit be made up of the active infrared line correlative detector of two groups of parallel uses can identify the direction of pedestrian's in/out crosswalk, and issues warning message according to the difference of pedestrian's street crossing direction of motion;
2. while reminding street pedestrian to note right-turning vehicles, remind right-turning vehicles slow down, note dodging street pedestrian, thus reduce people-Che conflict, ensure pedestrian and vehicle driving safety;
3. up and down one case structure pedestrian's street crossing alarm unit; when pedestrian signal lamp is green light; the right-turning vehicles information that single-chip microcomputer transmits according to vehicle detection unit controls pedestrian's street crossing information screen, plays terms such as " street pedestrian please walk zebra stripes " or " please note left/right change trains or buses " with word and speech form; When pedestrian signal lamp is red light, Single-chip Controlling pedestrian's street crossing information screen plays the slogan such as traffic law and civilized conduct with word and speech form, can also play the information such as surrounding geographical, business;
4. when pedestrian signal lamp is red light, Single-chip Controlling pedestrian's street crossing information screen plays the publicity of the illegal cost of pedestrian traffic with word and speech form, the alarm of pedestrian's grating alarm unit is sounded to report to the police to the street pedestrian that makes a dash across the red light and is warned, and this information is passed to Warning for vehicle unit, remind right-turning vehicles to note dodging street pedestrian.
Accompanying drawing explanation
Fig. 1 is intersection pedestrian of the present invention and right-turning vehicles people-Che Cooperative Security system schematic.
Fig. 2 is the alert operation process flow diagram of pedestrian's grating alarm unit of the present invention.
Fig. 3 is pedestrian crossing signal lamp of the present invention and the pedestrian's street crossing information warning screen LED information screen mounting structure schematic diagram up and down in one case structure and Warning for vehicle unit.
Fig. 4 is active infrared line correlative detector scheme of installation of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in detail.
The present invention includes pedestrian's grating alarm unit, vehicle detection unit, pedestrian's street crossing alarm unit and Warning for vehicle unit, its basic structure as shown in Figure 1.
As shown in Figure 1, pedestrian's grating alarm unit comprises active infrared line correlative detector (1) and (2) and single-chip microcomputer, and wherein, active infrared line correlative detector is made up of active infrared transmitter, passive infrared receiver and alarm.In the porch at crosswalk two ends, respectively parallel installation two groups of active infrared line correlative detectors (1) and (2) (on left side, the crossing, left side of Fig. 1 be (1) right be (2), be (2) right erection sequence for (1) on a left side, crossing, right side), and be fixed together with roadside safety guardrail, adopt yellow black alternate fluoresent coating (as shown in Figure 4).Active infrared line correlative detector (1) and (2) at a distance of 15cm, grating is liftoff 100cm.The single-chip microcomputer of pedestrian's grating alarm unit is connected with (2) with active infrared line correlative detector (1) respectively, and single-chip microcomputer is also connected with Warning for vehicle unit (8) with pedestrian traffic signal's controller respectively by data line.By single-chip microcomputer register R
1value as the value of statistical indicant blocking active infrared line correlative detector (1) and (2) raster order, when blocking the grating of active infrared line correlative detector (1) in the ban, R
1be set to 1, after when blocking the grating of active infrared line correlative detector (1), R
1set to 0.Active infrared transmitter sends 10 pulse signals within the 2ms time, if the grating of active infrared line correlative detector (1) is not blocked, then and counter T
1be 10; If the grating of active infrared line correlative detector (2) is not blocked, then counter T
2be 10.Therefore, when pedestrian enters crosswalk (3), the grating (T of active infrared line correlative detector (1) is first blocked
1, then block the grating (T of active infrared line correlative detector (2) ≠ 10)
2≠ 10).If pedestrian signal lamp is red light this moment, then the alarm of Single-chip Controlling active infrared line correlative detector (1) and (2) is sounded warning simultaneously, warning pedestrian is illegal, sends pedestrian running red light alerting signal by data line to Warning for vehicle unit (8) simultaneously; If pedestrian signal lamp is green light this moment, then single-chip microcomputer sends pedestrian's street crossing alerting signal by data line to Warning for vehicle unit (8).When pedestrian leaves crossing (3), first block the grating (T of active infrared line correlative detector (2)
2, then block the grating (T of active infrared line correlative detector (1) ≠ 10)
1≠ 10), R this moment
1set to 0, system returns initialization.The alert operation program of pedestrian's grating alarm unit is as Fig. 2.
As shown in Figure 1, vehicle detection unit comprises earth magnetism wagon detector (6) and wireless receiver (7).Earth magnetism wagon detector (6) is embedded in track, the right-turn lane upstream central authorities of distance crosswalk certain distance by ground punching mode, and wireless receiver (7) is installed on the right-turn lane trackside of distance earth magnetism wagon detector (6) minimum air line distance.When right-turning vehicles is through out-of-date, perceptual signal is wirelessly transmitted to the wireless receiver (7) of drive test by earth magnetism wagon detector (6).Right-turning vehicles is passed to pedestrian's street crossing alarm unit (4) by information by data line by wireless receiver (7) again.
As shown in Fig. 3 (a), pedestrian's street crossing alarm unit comprises pedestrian crossing signal lamp (9), information screen (10) and single-chip microcomputer.Pedestrian's street crossing alarm unit (4) is pedestrian crossing signal lamp (9) and information screen (10) one case structure up and down.As shown in Figure 1, the pedestrian's street crossing alarm unit (4) of one case structure is laid in the pedestrian Dai Hang district at crosswalk two ends, towards street pedestrian.Pedestrian crossing signal lamp is connected with pedestrian traffic signal's controller, and the single-chip microcomputer be installed in pedestrian's street crossing alarm unit (4) is connected by the wireless receiver (6) of data line with pedestrian traffic signal's controller, information screen (10) and vehicle detection unit.When pedestrian crossing signal lamp is green light, if single-chip microcomputer does not receive the right-turning vehicles information from vehicle detection unit, then Single-chip Controlling information screen (10) reports traffic law or surrounding geographical and business information; If single-chip microcomputer receives the right-turning vehicles information from vehicle detection unit, then Single-chip Controlling information screen (10) reports the phonetic warning and image information of noticing that right-turning vehicles arrives repeatedly.When pedestrian crossing signal lamp is red light, Single-chip Controlling information screen (10) reports the publicity of pedestrian traffic illegal cost or surrounding geographical and business information.
As shown in Figure 1, Warning for vehicle unit comprises LED information screen (8) and single-chip microcomputer.LED information screen (8) adopts figure (3b) similar structures to be arranged on above the right-turn lane between crosswalk and vehicle detection unit.Single-chip microcomputer is connected by the single-chip microcomputer of data line with LED information screen and active infrared line correlative detector, and the pedestrian running red light of foundation active infrared line correlative detector transmission or pedestrian's street crossing signal control LED information screen are turned right, vehicle is reported pedestrian running red light or has pedestrian's street crossing information warning.
Claims (1)
1. intersection pedestrian and a right-turning vehicles people-Che Cooperative Security system, is characterized in that this system comprises pedestrian's grating alarm unit, vehicle detection unit, pedestrian's street crossing alarm unit and Warning for vehicle unit; Pedestrian grating alarm unit is installed in the cross controlled more than one direction three lanes, without right turn signal or porch, crosswalk two ends, T-shaped intersection, detects the dynamic of pedestrian's in/out crosswalk; In cross or porch, crosswalk two ends, T-shaped intersection, pedestrian's street crossing alarm unit is installed, for street pedestrian provides traffic safety alarm information and surrounding geographical and commerce services information; At the right-turn lane upstream mounting vehicle detecting unit of distance crosswalk certain distance, and be connected with pedestrian's street crossing alarm unit by data line, for street pedestrian provides right-turning vehicles arrival information; Mounting vehicle alarm unit above right-turn lane between crosswalk and vehicle detection unit, and be connected with pedestrian's grating alarm unit by data line, for right-turning vehicles provides pedestrian's street crossing information warning.
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Cited By (8)
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| CN104574995A (en) * | 2015-01-09 | 2015-04-29 | 北京尚易德科技有限公司 | System and method for recording behaviors that locomotives turning right at crossing go through red light and do not avoid pedestrians |
| CN106157694A (en) * | 2016-07-29 | 2016-11-23 | 深圳市元征科技股份有限公司 | The pedestrian anti-collision method for early warning of a kind of intersection and device |
| CN106710260A (en) * | 2017-03-01 | 2017-05-24 | 青岛海澄知识产权事务有限公司 | Warning method for pedestrian crossing road |
| CN106781573A (en) * | 2017-03-01 | 2017-05-31 | 青岛海澄知识产权事务有限公司 | A kind of pedestrian goes across the road alarming device |
| CN106846792A (en) * | 2017-04-05 | 2017-06-13 | 滁州学院 | Urban Traffic Peccancy intelligent early-warning system and its method |
| CN109285353A (en) * | 2018-10-09 | 2019-01-29 | 上海市政工程设计研究总院（集团）有限公司 | A kind of traffic offence monitoring device for urban road intersection |
| CN109584627A (en) * | 2018-12-01 | 2019-04-05 | 北京博纳菲德科技有限公司 | A kind of traffic intersection right-turning vehicles suggestion device |
| CN111489567A (en) * | 2020-06-03 | 2020-08-04 | 刘胜楠 | Real-time intelligent speed limiting system of vehicle based on road intersection |
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| CN106846792A (en) * | 2017-04-05 | 2017-06-13 | 滁州学院 | Urban Traffic Peccancy intelligent early-warning system and its method |
| CN109285353A (en) * | 2018-10-09 | 2019-01-29 | 上海市政工程设计研究总院（集团）有限公司 | A kind of traffic offence monitoring device for urban road intersection |
| CN109584627A (en) * | 2018-12-01 | 2019-04-05 | 北京博纳菲德科技有限公司 | A kind of traffic intersection right-turning vehicles suggestion device |
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