EP1916642A1 - Dispositif pour la mesure de trafic - Google Patents

Dispositif pour la mesure de trafic Download PDF

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Publication number
EP1916642A1
EP1916642A1 EP06022218A EP06022218A EP1916642A1 EP 1916642 A1 EP1916642 A1 EP 1916642A1 EP 06022218 A EP06022218 A EP 06022218A EP 06022218 A EP06022218 A EP 06022218A EP 1916642 A1 EP1916642 A1 EP 1916642A1
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EP
European Patent Office
Prior art keywords
traffic detection
traffic
detection device
detector
vehicles
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.)
Withdrawn
Application number
EP06022218A
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German (de)
English (en)
Inventor
Stefan Hess
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dambach Werke GmbH
Original Assignee
Dambach Werke GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Dambach Werke GmbH filed Critical Dambach Werke GmbH
Priority to EP06022218A priority Critical patent/EP1916642A1/fr
Publication of EP1916642A1 publication Critical patent/EP1916642A1/fr
Withdrawn legal-status Critical Current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
    • G08G1/01—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 present invention relates to traffic detection systems in general, and more particularly to traffic detection equipment for traffic jam detection in and before construction sites.
  • the detection of vehicles for example in order to detect the vehicle speed, the vehicle class or the classification according to the German standard TLS (Technical Delivery Conditions for Line Stations) as traffic parameters, is a constant requirement in order to ensure traffic guidance and traffic information technology.
  • the utility model DE 297 09 286 U1 describes a vehicle detector assembly employing passive infrared (PIR) sensors and a radar transmitter and receiver as the detector unit having a radio modem for communication with a traffic control center and a solar power supply unit to be independent of energy suppliers.
  • the vehicle detector assembly is set up as a so-called overhead device on bridges, masts or other building facilities to illuminate the traffic areas from above or diagonally above and to detect the moving under or on some laterally offset lanes moving vehicles.
  • traffic data can not be recorded in temporary construction sites whose traffic areas are heavily displaced and narrowed to a considerable extent compared with the lanes that are usually present and which change frequently along the route.
  • speed detection devices are known, for example, are attached to arterial roads on the outskirts of villages, and detect by means of Doppler radar the speeds of vehicles in an obliquely opposite direction to the direction of travel and the measured vehicle speeds on radar detector locally separate illuminated panels that are in the vicinity , Such speed detection devices can also be equipped with a self-sufficient solar power supply. A relatively fast implementation is possible with such speed detection devices, the measurement of others Traffic parameters except the vehicle speed but not. Furthermore, a speed detection at right angles to the direction of travel is not possible.
  • the traffic can be directed in construction sites in the context of a national traffic control at any time, it is necessary to quickly and easily position the necessary for traffic detection facilities in the appropriate places and set up ready to perform the traffic detection adapted there and out To evaluate the traffic measurement resulting measurement results in real time and z. B. display on suitable mobile variable message signs. It is also necessary that not only parameters such as vehicle speed are measured, but also that a vehicle classification and especially a jam detection is performed by the detection of stationary vehicles, which is not possible with the previous devices of the prior art.
  • the traffic detection device is configured to detect the vehicles at a variable angle with respect to the road surface up or down and perpendicular to the direction of travel, wherein both moving and stationary vehicles are detected by the detector device.
  • the traffic detection device has the advantage that it does not have to be arranged differently due to the aligned perpendicular to the direction of detection when changing the direction of travel of the vehicles.
  • neither a repositioning of the overall arrangement nor a reorientation of the detection range of the detector device is required as soon as the traffic detection device is once established relative to the roadway, but only a change of the parameters within the control and processing device.
  • the detector device has a radar transmitter and a radar receiver which operate in the microwave range.
  • the speed of vehicles in the detection range of the detector can be detected, which is advantageously between 4 and 250 km / h.
  • the detector device also has an ultrasound transmitter and ultrasound receiver, whereby the detection of stationary vehicles in the detection range of the detector device is made possible.
  • the detector device also has an ultrasound transmitter and ultrasound receiver, whereby the detection of stationary vehicles in the detection range of the detector device is made possible.
  • the solar power supply device of the traffic detection device according to the invention comprises a solar cell module, an accumulator and a charge control device.
  • the traffic detection device according to the invention can be self-sufficient, d. H. independently of a power supply network.
  • the transceiver comprises a radio modem.
  • GSM Global System for Mobile communications
  • UMTS Universal Mobile Communications
  • WLAN Wireless Local Area Network
  • PMR Radio and the like
  • the transmission and reception of traffic data to or from the traffic control center can take place continuously or at specific polling intervals.
  • the traffic detection device has, with further advantage, a data storage device within the control and processing unit. This makes it possible to store data which are not sent directly to the traffic control center via the transmitting / receiving device in an internal memory and to query it from the memory at the specific polling intervals and to transmit it to the traffic control center.
  • the components of the traffic detection device according to the invention are connected to each other by means of suitable quick-release fasteners so that they can be assembled and disassembled quickly.
  • suitable quick-release fasteners so that they can be assembled and disassembled quickly.
  • the quick connect fasteners may include any type known in the art.
  • the invention further relates to a mobile traffic detection system comprising the traffic detection device according to the invention, the mobile traffic detection system additionally comprising a light-pointing device detachably mounted on the stand, an adjustment stand and a plate attached to the adjustment stand on which a reflective film is mounted.
  • the mobile traffic detection system is used to easily and quickly adjust the traffic detection device according to the invention at its predetermined position in order to allow a consistent detection of the traffic data.
  • the mobile traffic detection system of the present invention is adjustable.
  • the traffic detection device 1 consists of a tripod 2, which is designed as a tripod and in the lower portion has a triangular-shaped tray 3, the corners are each attached to one of the three tripod feet.
  • the storage tray 3 serves, for example, as a storage area on which facilities of the traffic detection device 1 itself or other auxiliary devices can be arranged.
  • On the tripod 2 several devices are arranged in the upper section. In the illustrated embodiment, these are: a detector device 4, a transmitting / receiving device 6 and a control and processing unit 8, each including their attachments such. Cables, antennas, etc.
  • the detector device 4 comprises a radar transmitting and receiving device and an ultrasonic transmitting and receiving device as detector elements, both of which are arranged in a housing.
  • the transmitting / receiving device 6 and the control and processing unit 8 are arranged in a common further housing, on which the antenna 7 is mounted.
  • the detector device 4 is connected to the transmitting / receiving device 6 via a cable 9 and has on its outwardly directed side surface a window 11 through which the ultrasound radiation for the purpose of traffic data acquisition and enters.
  • the traffic detection device 1 according to the invention from FIG. 1 is aligned in the embodiment shown in such a way that the window 11 and thus the detector device 4 at a variable angle with respect to the horizontal, ie the road surface is inclined downwards.
  • the angle is adjustable depending on the type of detection and depending on the background on which the tripod 2 is arranged.
  • a solar cell module 10 is attached to one of the feet of the stand 2, which is in electrical connection with the solar power supply device 5, which is also arranged in the same housing, which comprises the accumulator 12.
  • the solar power supply device 5 is electrically connected to the accumulator 12, which is arranged in the preferred embodiment of FIG. 1 on the tray 3. Via a charge control device, which is part of the solar power supply device 5, the accumulator 12 is fed with the current absorbed by the solar cell module 10.
  • the cable connection between the solar power supply device 5, the solar cell module 10 and the accumulator 12 is not shown in the figures.
  • the arrangement of the various components of the traffic detection device 1 on the stand 2 can be made arbitrary. In particular, it is possible to accommodate all components in a single housing, which is formed for example as a waterproof plastic housing.
  • Fig. 2 is a perspective view of the upper portion of the preferred embodiment of the traffic detecting apparatus of Fig. 1 according to the present invention.
  • the detecting means 4 comprising both the radar transmitting and receiving means and the ultrasonic transmitting and receiving means is housed in the casing which on the one side wall, the window 11 has. Via the cable 9, the detector device 4 is connected to transmitting / receiving device 6.
  • the housing in which the detector unit 4 is housed fixed to the other housing in which the transmitting / receiving device 6 are arranged.
  • the housing of the transmitting / receiving device 6 is fixed to the stand 2 with an angle plate 13, wherein the housing is pivotally arranged in the angle plate 13 to allow adjustment of the detection angle with respect to the road surface.
  • the default setting in the Drawings illustrated embodiment of the traffic detection device 1 is such that the detector device 4 is disposed approximately between 1 m and 1.5 m above and as mentioned above at a variable angle with respect to the horizontal or the road surface.
  • a quick-release connection 14 the entire upper portion of the traffic detection device 1 is mounted on the tripod 2 and is thus suitable to be quickly assembled and disassembled. It can be used for all fastening connections of the entire traffic detection device 1 known quick-release connections that ensure a solid and stable grip while being easy to solve and secure.
  • Fig. 3 shows a perspective view of the upper portion of the preferred embodiment of the traffic detection device 1 according to the invention in rear view.
  • the removable light-pointing device 16 can be seen, which is arranged inserted into a holding device 19 at an angle of 90 ° to the detection direction and substantially parallel to the earth's surface.
  • the holding device 19 is fixedly connected to a base plate 17, which is fastened to the tripod 2 via the quick-release fastener 14.
  • the light-pointing device is preferably a laser pointer whose radiant power is suitable both for daylight and for poor visibility in fog, rain and the like.
  • FIGS. 4a and 4b show a perspective view of the mobile traffic detection system according to the invention, which is set up on a road section, for example at a construction site.
  • the mobile traffic detection system according to the invention is arranged on the side of the roadway approximately at a variable distance.
  • the mobile traffic detection system consists of the traffic detection device 1 and a Justierstativ 18, on which a plate 20 is fixed, which in turn has a reflective film.
  • the traffic detection device 1 and the Justierstativ 18 are set up so that the light-pointing device is exactly aligned with the arranged in the center of the plate 20 reflective film.
  • vehicles 22 move in one direction of travel. This arrangement ensures that the traffic detection device.
  • a variable message sign 28 is arranged on the right side of the lane indicating a speed.
  • the same traffic sign 28 indicates a traffic jam warning.
  • the mode of operation of the traffic detection device according to the invention and of the mobile traffic detection system according to the invention will now be described below.
  • the installation and adjustment of the mobile traffic detection system takes place as described with reference to FIGS. 4a and 4b.
  • the simple assembly of the components of the traffic detection device 1 and the Justierstativ 18 and the light pointing device 16 allows that familiar with the establishment of a construction site specialist personnel can quickly set up the mobile traffic detection system. This ensures that the traffic is not impeded unnecessarily, but is controlled by the processing of the traffic data collected by the mobile traffic detection system from a traffic control center in a suitable manner by controlling, for example, the variable message signs.
  • the detector device 4 comprises in the preferred embodiment of the invention a radar detector and an ultrasound detector.
  • a radar detector With the radar technology, the speed, the length and the occupancy time of the vehicles 22 on the road surface 24 are measured, with the ultrasonic detector stationary vehicles 22 are detected (congestion). The measuring range of vehicle speeds reaches up to 255 km / h. Vehicle detection via the radar detector is permanently active. If a vehicle drives faster than 4 km / h into the radar detection area of the radar detector, the measurement is started. If the measured values meet certain requirements, the measured values are calculated in the Data store stored. If the requirements are not met, then the measured values are discarded.
  • the detector device 4 As soon as a vehicle travels slower than a predetermined lower limit speed, for example 4 km / h, it is detected by the ultrasonic detector.
  • the detector device 4 has several processing modes. In this case, the detector device 4 changes to the "storage mode" if a certain number of vehicles has fallen below the above lower speed threshold, or if the ultrasonic detector detects a vehicle over a certain period of time and no vehicle in the detection range an adjustable fixed upper speed threshold , which for example is 30 km / h, has exceeded.
  • the Staudetetation thus takes place on the interaction of the two detector elements, which work by means of radar or ultrasound technology.
  • the control and processing unit 8 of the traffic detection device 1 has a congestion event counter, which is increased or decreased by various events of the data detected in the detector device 4. If a certain number of congestion events is reached, a traffic jam message is transmitted by the control and processing device 8 via the transceiver 6 to the traffic control center (not shown) or alternatively stored in the data memory of the control and processing unit 8. As soon as the congestion event counter has returned to zero, the traffic jam message is canceled and a corresponding message is sent to the traffic control center or stored in the data memory.
  • the particularly important for construction site detection of congestion is carried out via the ultrasonic detector as described below. If a vehicle 22 is directly in front of the traffic detection device, it is detected by the ultrasonic detector and a congestion event is triggered. As soon as a certain number of these traffic jam events has been exceeded, the traffic detection device 1 reports a traffic jam to the traffic control center and changes to the "traffic jam mode". However, if a vehicle 22 is detected by the radar detector exceeding the upper speed threshold, the counter is immediately reset to zero. The traffic jam message is deleted if necessary and the traffic detection device 1 changes back to normal operation.
  • a congestion event is triggered in the traffic detection device 1, and thus increases the congestion counter by an event. If a vehicle 22 exceeds the upper speed threshold, then the jam counter is reduced by one event. The jam message is not triggered until the number of jam events exceeds a predetermined value, and it is not reset until the jam counter returns to 0.
  • the traffic detection device detects the following measured variables: vehicle speed, vehicle class, classification of the vehicles with test accuracy F3 according to TLS (Technical Terms of Delivery for Line Stations) as well as the above-described variables for congestion detection.
  • the traffic detection device and the mobile traffic detection system according to the invention a possibility is provided to accurately capture traffic data in construction sites and thus to provide improved traffic flow, with the autarkic power supply, the handy dimensions of the traffic detection device, the easy adjustability of the system and the quick release devices for it it is ensured that with changing course of the construction site and the traffic data collection can be quickly and easily adapted to the new environmental conditions. This avoids larger time gaps in the traffic data acquisition and the resulting traffic control.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Traffic Control Systems (AREA)
EP06022218A 2006-10-24 2006-10-24 Dispositif pour la mesure de trafic Withdrawn EP1916642A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP06022218A EP1916642A1 (fr) 2006-10-24 2006-10-24 Dispositif pour la mesure de trafic

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP06022218A EP1916642A1 (fr) 2006-10-24 2006-10-24 Dispositif pour la mesure de trafic

Publications (1)

Publication Number Publication Date
EP1916642A1 true EP1916642A1 (fr) 2008-04-30

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ID=37834182

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EP06022218A Withdrawn EP1916642A1 (fr) 2006-10-24 2006-10-24 Dispositif pour la mesure de trafic

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EP (1) EP1916642A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010046586A1 (de) * 2010-09-25 2012-03-29 Rtb Gmbh & Co. Kg Verkehrsstauerfassung
CN102693632A (zh) * 2012-04-27 2012-09-26 徐贵力 一种基于视觉图像的监控装置和监控方法
CN114923076A (zh) * 2022-05-23 2022-08-19 北京住总集团有限责任公司 一种建筑基础工程用定位检测装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3810357A1 (de) * 1988-03-26 1989-10-05 Licentia Gmbh Verfahren zur lokalen verkehrsdatenerfassung und -auswertung und vorrichtung zum durchfuehren des verfahrens
DE29709286U1 (de) * 1997-02-05 1997-07-24 ASIM Engineering AG, Schmerikon Fahrzeugdetektor-Anordnung
WO2001071647A1 (fr) * 2000-03-22 2001-09-27 Laser Technology, Inc. Systeme compact de mesure de vitesse avec capture et traitement d'images numeriques sur site, et ecran portable

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3810357A1 (de) * 1988-03-26 1989-10-05 Licentia Gmbh Verfahren zur lokalen verkehrsdatenerfassung und -auswertung und vorrichtung zum durchfuehren des verfahrens
DE29709286U1 (de) * 1997-02-05 1997-07-24 ASIM Engineering AG, Schmerikon Fahrzeugdetektor-Anordnung
WO2001071647A1 (fr) * 2000-03-22 2001-09-27 Laser Technology, Inc. Systeme compact de mesure de vitesse avec capture et traitement d'images numeriques sur site, et ecran portable

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
ANONYM: "Traffipax speedophot", INTERNET ARTIKEL, 11 August 1999 (1999-08-11), XP002425339, Retrieved from the Internet <URL:http://www.radarfalle.de/technik/ueberwachungstechnik/traffipax.php> [retrieved on 20070313] *

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010046586A1 (de) * 2010-09-25 2012-03-29 Rtb Gmbh & Co. Kg Verkehrsstauerfassung
DE102010046586B4 (de) * 2010-09-25 2012-10-04 Rtb Gmbh & Co. Kg Verkehrsstauerfassung
CN102693632A (zh) * 2012-04-27 2012-09-26 徐贵力 一种基于视觉图像的监控装置和监控方法
CN102693632B (zh) * 2012-04-27 2014-06-11 徐贵力 一种基于视觉图像的监控装置和监控方法
CN114923076A (zh) * 2022-05-23 2022-08-19 北京住总集团有限责任公司 一种建筑基础工程用定位检测装置
CN114923076B (zh) * 2022-05-23 2024-01-30 北京住总集团有限责任公司 一种建筑基础工程用定位检测装置

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