EP1220181B1 - Tunnelüberwachungssystem in einem Tunnel - Google Patents
Tunnelüberwachungssystem in einem Tunnel Download PDFInfo
- 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
- Authority
- 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
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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)
Description
- Fig. 1
- einen Querschnitt durch einen Tunnel
- Fig. 2
- eine Draufsicht auf eine Fahrbahn in einem Tunnel
- Fig. 3
- ein Funktionsschema einer Tunnelüberwachungseinrichtung und
- Fig. 4
- ein Schaltschema für die Tunneleinrichtung nach Fig. 3
Claims (8)
- Tunnelüberwachungssystem in einem Fahrzeugtunnel mit wenigstens einer Fahrspur,
mit im Längsverlauf der wenigstens einen Fahrspur (2, 4) und verteilt im Tunnel angebrachten Lokalisierungssensoren als Bestandteile einer Fahr zeuglokalisierungseinrichtung,
mit einer Auswerteinheit (16), der Sensorsignale der Lokalisierungssensoren zuführbar sind, und
mit einer Ausgabeeinheit, die der Auswerteeinheit (16) nachgeordnet ist und mit der Auswerteergebnisse darstellbar sind,
dadurch gekennzeichnet, dass die Lokalisierungssensoren Ultraschallsensoren (7; 9, 10) sind, die jeweils mit einem Abstrahl- und Empfangsbereich (11, 12) auf die wenigstens eine Fahrspur (2, 4) gerichtet sind, dergestalt, dass beim Aufenthalt eines Fahrzeugs (3, 5) im Abstrahl- und Empfangsbereich (11, 12) eines Ultraschallsensors (7; 9, 10) von diesem ein entsprechendes Sensorsignal (16) an die Auswerteeinheit abgebbar ist,
dass die Auswerteeinheit (16) eine Laufzeitmesseinheit umfasst, mit der mittels eines Sensorsignals entsprechend dem Aufenthalt eines Fahrzeugs (3, 5) in einem Abstrahl- und Empfangsbereich (11, 12) eines bestimmten Ultraschallsensors (7; 9, 10) eine Laufzeitmessung aktivierbar ist und mittels eines nachfolgenden Sensorsignals entsprechend dem späteren Aufenthalt des selben Fahrzeugs in einem Abstrahl- und Empfangsbereich eines in Fahrtrichtung im Tunnel nachfolgenden Ultraschallsensors die Fahrzeit zwischen wenigstens diesen zwei Ultraschallsensoren erfassbar ist,
dass der Laufzeitmesseinheit eine Geschwindigkeitsmesseinheit nachgeordnet ist, mit der aus der erfassten Laufzeit und dem bekannten Sensorabstand ein Geschwindigkeitssignal für das Fahrzeug (3, 5) errechenbar ist,
dass die Abstrahl- und Empfangsbereiche (11, 12) im Längsverlauf des Tunnels (1) aufeinanderfolgender Ultraschallsensoren (7; 9, 10) an den Fahrzeugerfassungsbereichen aneinandergrenzen und in der Längserstreckung in Fahrzeugfahrtrichtung kleiner als eine übliche Fahrzeuglänge sind,
dass die Auswerteeinheit (16) eine Verfolgungseinheit umfasst, mit der ein Fahrzeug (3, 5) bei der Tunneleinfahrt durch einen ersten Ultraschallsensor erfasst und der Durchgang durch die nachfolgenden Ultraschallsensoren bis zum Tunnelausgang durch eine Weitergabeschaltung fassbar und kontrollierbar ist, und
dass bei einer Unterbrechung der Weitergabe ein Stillstandssignal für das Fahrzeug (3, 5) in Verbindung mit einem Sensorerkennungssignal entsprechend dem Ort des nicht mehr durchfahrenen Ultraschallsensors abgebbar ist. - Tunnelüberwachungssystem nach Anspruch 1, dadurch gekennzeichnet, dass die Auswerteeinheit (16) eine Abstandsmesseinheit umfasst, der die zwei aufeinanderfolgenden Fahrzeugen (3, 5) zugeordneten Sensorsignale zur Ermittlung eines Relativabstands aus den bekannten Sensorabständen zuführbar sind.
- Tunnelüberwachungssystem nach Anspruch 1 oder Anspruch 2, dadurch gekennzeichnet, dass die Auswerteeinheit eine Fahrzeugtyp-Erkennungseinheit umfasst, der aktuelle Sensorsignale zuführbar und hinsichtlich ihrer ermittelten Signalintensität auswertbar sind.
- Tunnelüberwachungssystem nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die Auswerteeinheit eine Zähleinheit umfasst, der von wenigstens einem Ultraschallsensor Sensorsignale für eine Zählung von erfassten Fahrzeugen (3, 5) zuführbar sind.
- Tunnelüberwachungssystem nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass die Ultraschallsensoren (7; 9, 10) an der Tunneldecke (6) angeordnet sind, und
dass eine Reihe von funktionsmäßig verbundenen Ultraschallsensoren (7; 9, 10) den Fahrspuren (2, 4) einer Fahrtrichtung, vorzugsweise jeweils einer einzigen Fahrspur sowie Pannenplätzen (13) zugeordnet sind. - Tunnelüberwachungssystem nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass die Ultraschallsensoren (7; 9, 10) einen A/D-Wandler (21) enthalten und über ein serielles Bussystem (17) mit der Auswerteeinheit (16) kommunizieren.
- Tunnelüberwachungssystem nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass der Auswerteeinheit (16) eine Steuereinheit (23) nachgeschaltet ist, mit der in Abhängigkeit von Auswerteergebnissen vor oder im Tunnel (1) angebrachte, verkehrsleitende und/oder warnende Stelleinrichtungen selbsttätig ansteuerbar sind.
- Tunnelüberwachungssystem nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass das Tunnelüberwachungssystem in einem Straßen- und/oder Schienentunnel eingesetzt ist.
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE50010935T DE50010935D1 (de) | 2000-12-30 | 2000-12-30 | Tunnelüberwachungssystem in einem Tunnel |
AT00128758T ATE301861T1 (de) | 2000-12-30 | 2000-12-30 | Tunnelüberwachungssystem in einem tunnel |
EP00128758A EP1220181B1 (de) | 2000-12-30 | 2000-12-30 | Tunnelüberwachungssystem in einem Tunnel |
PCT/EP2001/015273 WO2002054368A1 (de) | 2000-12-30 | 2001-12-21 | Tunnelüberwachungssystem in einem fahrzeugtunnel |
US10/451,935 US6925377B2 (en) | 2000-12-30 | 2001-12-21 | Tunnel monitoring system in a vehicle 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 |
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 (de) | 2000-12-30 | 2000-12-30 | Tunnelüberwachungssystem in einem Tunnel |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1220181A1 EP1220181A1 (de) | 2002-07-03 |
EP1220181B1 true EP1220181B1 (de) | 2005-08-10 |
Family
ID=8170874
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00128758A Expired - Lifetime EP1220181B1 (de) | 2000-12-30 | 2000-12-30 | Tunnelüberwachungssystem in einem Tunnel |
Country Status (7)
Country | Link |
---|---|
US (1) | US6925377B2 (de) |
EP (1) | EP1220181B1 (de) |
JP (1) | JP3838975B2 (de) |
AT (1) | ATE301861T1 (de) |
DE (1) | DE50010935D1 (de) |
NO (1) | NO20033006D0 (de) |
WO (1) | WO2002054368A1 (de) |
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2000
- 2000-12-30 AT AT00128758T patent/ATE301861T1/de not_active IP Right Cessation
- 2000-12-30 DE DE50010935T patent/DE50010935D1/de not_active Expired - Fee Related
- 2000-12-30 EP EP00128758A patent/EP1220181B1/de not_active Expired - Lifetime
-
2001
- 2001-12-21 JP JP2002555391A patent/JP3838975B2/ja not_active Expired - Fee Related
- 2001-12-21 US US10/451,935 patent/US6925377B2/en not_active Expired - Fee Related
- 2001-12-21 WO PCT/EP2001/015273 patent/WO2002054368A1/de active Application Filing
-
2003
- 2003-06-30 NO NO20033006A patent/NO20033006D0/no not_active Application Discontinuation
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CN102959599A (zh) * | 2009-12-22 | 2013-03-06 | 莱达科技股份有限公司 | 用于交通检测的主动3d监控系统 |
US8842182B2 (en) | 2009-12-22 | 2014-09-23 | Leddartech Inc. | Active 3D monitoring system for traffic detection |
CN102959599B (zh) * | 2009-12-22 | 2015-07-15 | 莱达科技股份有限公司 | 用于交通检测的主动3d监控系统 |
US8908159B2 (en) | 2011-05-11 | 2014-12-09 | Leddartech Inc. | Multiple-field-of-view scannerless optical rangefinder in high ambient background light |
USRE47134E1 (en) | 2011-05-11 | 2018-11-20 | Leddartech Inc. | Multiple-field-of-view scannerless optical rangefinder in high ambient background light |
US9378640B2 (en) | 2011-06-17 | 2016-06-28 | Leddartech Inc. | System and method for traffic side detection and characterization |
US9235988B2 (en) | 2012-03-02 | 2016-01-12 | Leddartech Inc. | System and method for multipurpose traffic detection and characterization |
CN107180533A (zh) * | 2017-06-22 | 2017-09-19 | 北京中交华安科技有限公司 | 道路预警方法和装置 |
Also Published As
Publication number | Publication date |
---|---|
ATE301861T1 (de) | 2005-08-15 |
JP3838975B2 (ja) | 2006-10-25 |
JP2004517419A (ja) | 2004-06-10 |
EP1220181A1 (de) | 2002-07-03 |
NO20033006L (no) | 2003-06-30 |
NO20033006D0 (no) | 2003-06-30 |
US20040059503A1 (en) | 2004-03-25 |
US6925377B2 (en) | 2005-08-02 |
DE50010935D1 (de) | 2005-09-15 |
WO2002054368A1 (de) | 2002-07-11 |
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