EP1220181B1 - Système de surveillance dans un tunnel - Google Patents

Système de surveillance dans un tunnel Download PDF

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Publication number
EP1220181B1
EP1220181B1 EP00128758A EP00128758A EP1220181B1 EP 1220181 B1 EP1220181 B1 EP 1220181B1 EP 00128758 A EP00128758 A EP 00128758A EP 00128758 A EP00128758 A EP 00128758A EP 1220181 B1 EP1220181 B1 EP 1220181B1
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EP
European Patent Office
Prior art keywords
tunnel
vehicle
sensor
monitoring system
unit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP00128758A
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German (de)
English (en)
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EP1220181A1 (fr
Inventor
Goddert Peters
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Individual
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Individual
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Filing date
Publication date
Priority to EP00128758A priority Critical patent/EP1220181B1/fr
Application filed by Individual filed Critical Individual
Priority to AT00128758T priority patent/ATE301861T1/de
Priority to DE50010935T priority patent/DE50010935D1/de
Priority to PCT/EP2001/015273 priority patent/WO2002054368A1/fr
Priority to JP2002555391A priority patent/JP3838975B2/ja
Priority to US10/451,935 priority patent/US6925377B2/en
Publication of EP1220181A1 publication Critical patent/EP1220181A1/fr
Priority to NO20033006A priority patent/NO20033006D0/no
Application granted granted Critical
Publication of EP1220181B1 publication Critical patent/EP1220181B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/07—Controlling traffic signals
    • G08G1/08—Controlling traffic signals according to detected number or speed of vehicles
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/01—Detecting movement of traffic to be counted or controlled
    • G08G1/04—Detecting movement of traffic to be counted or controlled using optical or ultrasonic detectors
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/01—Detecting movement of traffic to be counted or controlled
    • G08G1/052—Detecting movement of traffic to be counted or controlled with provision for determining speed or overspeed

Definitions

  • the invention relates to a tunnel monitoring system in a vehicle tunnel according to the preamble of claim 1.
  • Tunnel monitoring systems in vehicle tunnels are in different Embodiments generally known:
  • a tunnel monitoring system in which in the tunnel and fire detectors are installed along the length of the tunnel.
  • This System should be a possible fire in the tunnel, especially a burning Vehicle can be detected and located.
  • This system can also have a Control device include, which automatically in the event of a detected fire Warning devices, traffic guidance devices or shut-off devices actuated.
  • a monitoring system is for detection only fire-related hazard states suitable.
  • Another well-known tunnel monitoring system is composed of several Surveillance cameras installed spaced in the course of the tunnel are built up. This allows each assigned tunnel sections be monitored visually by the recorded by a camera operations Screens are shown in a tunnel monitoring control center and from a Surveillance person to be evaluated. It is also known such surveillance cameras pivotable to mount, being a remote-controlled Pivoting of the tunnel monitoring control center is possible.
  • Such a tunnel monitoring system with surveillance cameras is costly to buy and maintain.
  • the Camera lenses in case of dirt and smoke critical in their function.
  • system immanent automatic detection and evaluation of dangerous conditions not or only limited possible, because of a surveillance camera relatively large tunnel section detected with possibly a plurality of vehicles and automatic image evaluations are difficult to carry out. Consequently is responsible for an evaluation of the image information of such a tunnel monitoring system essentially a surveillance person in the tunnel monitoring control center regarding the recognition of dangerous situations, an assessment of traffic density, speeds and speeds maintained intervals, etc.
  • a protection function thus depends essentially on the individual attention of a supervisor and one rapid detection of a dangerous situation with required rapid reactions is not guaranteed.
  • the fire detectors and surveillance cameras are in the nature of Localization sensors for vehicles usable with those vehicles in Normal operation and / or can be localized in dangerous situations, but where to accept the explained disadvantages and weaknesses of the system are.
  • a traffic surveillance system is known (US-A-5,528,234) in which Data collected by ultrasonic sensors in a statistical evaluation Central regarding vehicle speed and vehicle density subjected will be deduced from what the current traffic. This can then be broadcast by the head office in the form of news. Behaviour of a particular individual vehicle is not relevant here, so this Traffic monitoring system to the collection of up-to-date and accurate data for Traffic situation, but not on increasing traffic safety.
  • JP-A-9 282 581 being distributed along the longitudinal course of a tunnel sound sensors, wherein the standstill of a vehicle in the tunnel is recorded on the basis of a sound signal and to be localized. A control of a smooth passage of a vehicle through the tunnel is not possible with this system.
  • the object of the invention is the traffic safety in a vehicle tunnel increase.
  • the location sensors are ultrasonic sensors executed, each with a radiating and receiving area on the at least a lane are directed, such that when staying a Vehicle in the emission and reception range of an ultrasonic sensor of this a corresponding sensor signal together with a sensor detection signal can be delivered to the evaluation unit.
  • the evaluation unit comprises a transit time measuring unit with which by means of a sensor signal accordingly the stay of a vehicle in a radiating and receiving area of a certain ultrasonic sensor a runtime measurement is activated. through a subsequent sensor signal in the direction of travel in the tunnel subsequent ultrasonic sensor, in its emission and reception area the moving vehicle is staying later is the travel time between at least detectable by these two ultrasonic sensors.
  • For the transit time measurement can for the evaluation of immediately consecutive ultrasonic sensors or more widely spaced ultrasonic sensors are used. There the distances of the used for the transit time measurement ultrasonic sensors fixed and known, in a downstream speed measurement unit, which essentially consists of a multiplier immediately determines a speed signal for a particular vehicle become.
  • velocity measurements are given in the above Art carried out for all entering the tunnel vehicles, where through each vehicle a transit time measurement when driving through a first ultrasonic sensor set in running and after passing through the second associated ultrasonic sensor is terminated.
  • the evaluation unit can get such a speed signal for each vehicle very quickly and possibly stored for further evaluations, wherein the Measuring distance for a following vehicle and for a new transit time measurement is again activated.
  • Such measuring sections can be in the course of the tunnel be set one after the other, so that virtually every vehicle can be determined at each tunnel location. This can be easily and quickly derived Information such as average speeds traveled or vehicle densities.
  • Such a tunnel monitoring system is out of relative inexpensive and functionally reliable components to produce.
  • Ultrasonic sensors are relatively inexpensive, functionally reliable and low maintenance Transmitter units operating in harsh operating conditions, for example are also proven in maritime use.
  • Advantageous are such ultrasonic sensors largely insensitive to contamination and deliver too in case of fire in case of smoke development usable signals for localization of vehicles.
  • the evaluation of the sensor signals together with the respective sensor detection signals relatively easy.
  • the installation costs and operating costs are also relatively low.
  • the evaluation unit further includes a tracking unit that determines the exact vehicle passes based on each individual vehicle. This is a vehicle at the tunnel entrance detected by a first ultrasonic sensor and the vehicle passage through the following ultrasonic sensors through to the tunnel exit recorded and controlled a relaying and handover circuit. Also by means of Such a tracking unit can be determined a left-over vehicle when an interruption in the passing of an ultrasonic sensor area to the next ultrasonic sensor area of the evaluation unit is detected. Along with an associated sensor detection signal The exact location can be determined.
  • a distance measuring unit comprise two sensor signals are evaluated, the successive Vehicles are assigned, whereby simply a relative distance the vehicles can be determined.
  • the sensor signals the ultrasonic sensors according to claim 3 also evaluated in their signal intensity. Because different vehicle types have different reflection intensities For ultrasound, you can use it in a vehicle type detection unit different types of vehicles are distinguished. In order to For example, can be advantageously distinguished whether a leftover Vehicle is a motorcycle, a passenger car or a lorry, which may represent different potential dangers and also different ones Requires reactions. Further, for example, the vehicle type detection used for statistical purposes.
  • the ultrasonic sensors are proposed to arrange on the tunnel ceiling, with a number of functional connected ultrasonic sensors the lanes in a direction of travel, preferably each assigned to a single lane and breakdown spaces are.
  • a simple detection function of stagnant vehicles It would also be conceivable two lanes of different driving direction to monitor with only one row of ultrasonic sensors attached above.
  • a much more meaningful monitoring results in the assignment an ultrasonic sensor row to every single lane in one direction of travel.
  • a direction of travel detection is thus possible, whereby any Geisterrier can be determined immediately.
  • the sensor distances can be up to about 10 m, with about 50 Ultrasonic pulses are emitted and received per second.
  • the sensor signals in particular if also the intensity of the sensor signals are to be digitized for electronic evaluation in the usual way.
  • a / D converter already to attach the ultrasonic sensors and the digitized signals via a forward the serial bus system to the evaluation unit.
  • a sensor detection signal is required in each case with the measured value signal to the evaluation unit to send.
  • the power supply of the ultrasonic sensors and the A / D converter is feasible.
  • Particularly advantageous for this purpose is only a power supply required in the low voltage range, so that no further Security risks for tunnel operation.
  • a signal transmission from the ultrasonic sensors to Evaluation be provided via radio. This will depending on the circumstances the installation effort further reduced and a flawless Signal transmission even in the event that possibly at one Brand cables could be destroyed, ensured.
  • the evaluation unit is proposed to connect a control unit, with which depending on certain Evaluation results before or in the tunnel attached traffic-guiding and / or warning actuators are automatically controlled.
  • a control unit with which depending on certain Evaluation results before or in the tunnel attached traffic-guiding and / or warning actuators are automatically controlled.
  • Such adjusting devices can Traffic lights, flashing lights, sirens, warning signs with controllable texts, or other known control and warning systems, as well as tunnel safety devices be. Also announcements in the tunnel or over radio stations can be triggered or initiated automatically.
  • the tunnel monitoring system according to the invention be used advantageously in road and / or rail tunnels.
  • Simple design is a simple and cost-effective retrofit in existing Tunnels as possible as a supplement or combination with already existing monitoring equipment.
  • Fig. 1 is a cross section through a two-lane tunnel 1 for motor vehicles shown.
  • a truck 3 On the lane 2 on the right side of the tunnel cross-section is schematically illustrated a truck 3 and on the opposite lane 4 a passenger car 5.
  • ultrasonic sensor units 7 arranged in the longitudinal course of the tunnel 1 at the same sensor intervals 8 are arranged.
  • Each of the ultrasonic sensor units 7 comprises two ultrasonic sensors 9 and 10, with their respective associated conical Radiation and reception area 11, 12 adjacent to each other Lane 2 and oncoming lane 4 are directed.
  • Fig. 2 is a schematic plan view of the lane 2 and the opposite lane 3 of FIG. 1 shown with the vehicles 3 and 5.
  • the approximately conical Radiation and reception areas 11, 12 result on the lanes. 2 and 4 the approximately circular areas drawn.
  • the arrangement of Ultrasonic sensors 9, 10 can be seen carried out so that the emission and Reception areas 11, 12 according to the drawn circles both in the longitudinal direction and in the transverse direction approximately adjacent to each other, so that with respect to passing vehicles a complete detection on the lanes 2 and 4 is possible.
  • the emission and reception areas overlap slightly with successive ultrasonic sensors or be slightly spaced. It is essential in the arrangements that the distances are not chosen so large that between them Vehicle finds place undetected or that due to area overlaps or to large areas several vehicles therein only if necessary could be detected as a vehicle.
  • Fig. 3 is a functional diagram of the tunnel monitoring system is shown with a schematic plan view of the lanes 2 and 4.
  • ultrasonic sensor units 7 1 to 7 10 are arranged, wherein the tunnel is extremely fine-tuned.
  • a breakdown bay 13 is provided next to the lane 5, which is likewise monitored by ultrasonic sensors 7 5a , 7b and 7c .
  • a motor vehicle 14 has remained on the lane 2 is again the truck 3 and in the breakdown bay.
  • a tunnel monitoring control center 15 an evaluation unit 16 is installed, to which the ultrasonic sensor units 7 with their respective ultrasonic sensors 9, 10 are connected via a serial bus 17.
  • the evaluation unit is
  • a process control system 18 downstream visualization and Documentation facilities includes.
  • a control relates to an entrance traffic light 19 at the tunnel entrance, the for example, in a stagnant vehicle on the lane 2 or can be switched to "red" at a detected traffic congestion.
  • a control of a billboard 20 shown in the tunnel with the example given in traffic lights in traffic lights can be.
  • Fig. 4 is an example of a circuit diagram for the tunnel monitoring system shown.
  • the individual ultrasonic sensors 9, 10 of the ultrasonic sensor units 7 is in each case an analog-to-digital converter 21 associated with and downstream and connected to the serial bus 17.
  • the serial bus 17 communicates with the evaluation unit 16.
  • This evaluation unit 16 can ever according to the desired function and depending on the degree of upgrading several if necessary with each other have integrated measurement and evaluation units. In particular, is about a localization unit corresponding to a localization of vehicles their position in a certain emission and reception area feasible.
  • About a timer are transit time measurements and thus speed measurements by means of a speed measuring unit for determination possible from vehicle speeds.
  • the evaluation unit 16 is here as an output unit by way of example a screen 22 downstream as a visualization device, which a supervisor can visually understand the processes in the tunnel.
  • a screen 22 downstream as a visualization device, which a supervisor can visually understand the processes in the tunnel.
  • a control unit 23rd fed which automatically downstream actuators for example for Traffic management, warning, backup, etc. are controlled.
  • exemplary Here are with a lamp 24 traffic lights and / or flashing lights and / or Illuminated letters indicated.
  • a speaker 25 sirens and / or announcement devices indicated schematically.
  • a fan 26 should include facilities for tunnel safety, such as ventilation, automated Extinguishing systems, shut-off devices, etc. include his.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Traffic Control Systems (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Alarm Systems (AREA)

Claims (8)

  1. Système de surveillance de tunnel dans un tunnel routier avec au moins une voie de circulation,
    avec des capteurs de localisation placés dans le sens de la longueur d'au moins une voie de circulation (2, 4) et répartis dans le tunnel comme éléments d'un dispositif de localisation des véhicules,
    avec une unité d'évaluation (16) à laquelle les signaux de détection des capteurs de localisation peuvent être amenés, et
    avec une unité de sortie, qui est subordonnée à l'unité d'évaluation (16) et peuvent être représentées avec les résultats d'évaluation,
    caractérisé en ce que les capteurs de localisation sont des capteurs à ultrasons (7 ; 9, 10) qui sont équipés respectivement d'une zone de rayonnement et de réception (11, 12) dirigées sur au moins une voie de circulation (2, 4), de telle sorte que lors de l'arrêt d'un véhicule (3, 5) dans la zone de rayonnement et de réception (11, 12) d'un capteur à ultrasons (7 ; 9, 10), celui-ci émet un signal de détection (16) correspondant vers l'unité d'évaluation, en ce que l'unité d'évaluation (16) comprend une unité de mesure de la durée, avec laquelle une mesure de durée peut être activée au moyen d'un signal de détection correspondant à l'arrêt d'un véhicule (3, 5) dans une zone de rayonnement et de réception (11, 12) d'un capteur à ultrasons donné (7 ; 9, 10) et la durée du trajet entre au moins deux capteurs à ultrasons au moins peut être détectée au moyen d'un signal de détection suivant correspondant à l'arrêt ultérieur du même véhicule dans une zone de rayonnement et de réception d'un capteur à ultrasons suivant dans le sens de circulation dans le tunnel,
    en ce qu'une unité de mesure de vitesse est affectée à l'unité de mesure de la durée, unité de mesure de vitesse avec laquelle un signal de vitesse peut être calculé pour le véhicule (3, 5) à partir de la durée détectée et de l'écart connu entre les capteurs,
    en ce que les zones de rayonnement et de réception (11, 12) sont contiguës dans le sens de la longueur du tunnel (1) aux capteurs à ultrasons (7 ; 9, 10) consécutifs au niveau des zones de détection des véhicules et sont inférieures à une longueur standard du véhicule dans le sens de la longueur de la direction de circulation du véhicule,
    en ce que l'unité d'évaluation (16) comprend une unité de poursuite avec laquelle un véhicule (3, 5) est détecté par un premier capteur à ultrasons lorsqu'il circule dans le tunnel et peut être détecté et contrôlé lors du passage devant les capteurs à ultrasons suivants jusqu'à la sortie du tunnel par un circuit de retransmission, et
    en ce que, lors d'une interruption de la retransmission, un signal d'immobilisation doit être émis pour le véhicule (3, 5), en liaison avec un signal d'identification des capteurs selon l'emplacement du capteur à ultrasons qui n'est plus traversé.
  2. Système de surveillance d'un tunnel selon la revendication 1, caractérisé en ce que l'unité d'évaluation (16) comprend une unité de mesure de la distance, à laquelle les signaux des capteurs affectés à deux véhicules (3, 5) qui se suivent peuvent être amenés pour déterminer une distance relative à partir des distances connues des capteurs.
  3. Système de surveillance d'un tunnel selon la revendication 1 ou la revendication 2, caractérisé en ce que l'unité d'évaluation comprend une unité de reconnaissance du type de véhicule, à laquelle les signaux actuels des capteurs doivent être amenés et évalués en fonction de l'intensité du signal déterminée.
  4. Système de surveillance d'un tunnel selon l'une quelconque des revendications 1 à 3, caractérisé en ce que l'unité d'évaluation comprend une unité de comptage à laquelle les signaux des capteurs d'au moins un capteur à ultrasons doivent être amenés pour le comptage des véhicules détectés (3, 5).
  5. Système de surveillance d'un tunnel selon l'une quelconque des revendications 1 à 4, caractérisé en ce que les capteurs à ultrasons (7 ; 9, 10) sont disposés au plafond du tunnel (6), et
    en ce qu'une série de capteurs à ultrasons (7 ; 9, 10) reliés de manière fonctionnelle sont affectés aux voies de circulation (2, 4) d'un sens de circulation, de préférence respectivement d'une seule voie de circulation ainsi qu'aux emplacements d'arrêts d'urgence (13).
  6. Système de surveillance d'un tunnel selon l'une quelconque des revendications 1 à 5, caractérisé en ce que les capteurs à ultrasons (7 ; 9, 10) contiennent un convertisseur analogique/numérique (21) et communiquent via un système de bus en série (17) avec l'unité d'évaluation (16).
  7. Système de surveillance d'un tunnel selon l'une quelconque des revendications 1 à 6, caractérisé en ce qu'une unité de pilotage (23) est connectée en aval à l'unité d'évaluation (16), unité de pilotage avec laquelle des dispositifs de positionnement de contrôle du trafic et/ou d'avertissement, placés avant ou dans le tunnel (1), peuvent être commandés automatiquement en fonction des résultats d'évaluation.
  8. Système de surveillance d'un tunnel selon l'une quelconque des revendications 1 à 7, caractérisé en ce que le système de surveillance du tunnel est intégré dans un tunnel routier et/ou ferroviaire.
EP00128758A 2000-12-30 2000-12-30 Système de surveillance dans un tunnel Expired - Lifetime EP1220181B1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
AT00128758T ATE301861T1 (de) 2000-12-30 2000-12-30 Tunnelüberwachungssystem in einem tunnel
DE50010935T DE50010935D1 (de) 2000-12-30 2000-12-30 Tunnelüberwachungssystem in einem Tunnel
EP00128758A EP1220181B1 (fr) 2000-12-30 2000-12-30 Système de surveillance dans un tunnel
JP2002555391A JP3838975B2 (ja) 2000-12-30 2001-12-21 自動車トンネルのトンネル監視システム
PCT/EP2001/015273 WO2002054368A1 (fr) 2000-12-30 2001-12-21 Systeme de surveillance dans un tunnel routier
US10/451,935 US6925377B2 (en) 2000-12-30 2001-12-21 Tunnel monitoring system in a vehicle tunnel
NO20033006A NO20033006D0 (no) 2000-12-30 2003-06-30 Tunnelovervåkningssystem i en kjöretöytunnel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP00128758A EP1220181B1 (fr) 2000-12-30 2000-12-30 Système de surveillance dans un tunnel

Publications (2)

Publication Number Publication Date
EP1220181A1 EP1220181A1 (fr) 2002-07-03
EP1220181B1 true EP1220181B1 (fr) 2005-08-10

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP00128758A Expired - Lifetime EP1220181B1 (fr) 2000-12-30 2000-12-30 Système de surveillance dans un tunnel

Country Status (7)

Country Link
US (1) US6925377B2 (fr)
EP (1) EP1220181B1 (fr)
JP (1) JP3838975B2 (fr)
AT (1) ATE301861T1 (fr)
DE (1) DE50010935D1 (fr)
NO (1) NO20033006D0 (fr)
WO (1) WO2002054368A1 (fr)

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US6925377B2 (en) 2005-08-02
EP1220181A1 (fr) 2002-07-03
US20040059503A1 (en) 2004-03-25
DE50010935D1 (de) 2005-09-15
ATE301861T1 (de) 2005-08-15
WO2002054368A1 (fr) 2002-07-11

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