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WO2005086111A1 - Dispositif de surveillance de trafic routier - Google Patents

Dispositif de surveillance de trafic routier Download PDF

Info

Publication number
WO2005086111A1
WO2005086111A1 PCT/GB2005/000848 GB2005000848W WO2005086111A1 WO 2005086111 A1 WO2005086111 A1 WO 2005086111A1 GB 2005000848 W GB2005000848 W GB 2005000848W WO 2005086111 A1 WO2005086111 A1 WO 2005086111A1
Authority
WO
WIPO (PCT)
Prior art keywords
camera
road traffic
lens
traffic monitor
vehicle
Prior art date
Application number
PCT/GB2005/000848
Other languages
English (en)
Inventor
Martin Edward Dicks
Original Assignee
Astucia (Uk) Ltd.
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 Astucia (Uk) Ltd. filed Critical Astucia (Uk) Ltd.
Priority to GB0619260A priority Critical patent/GB2427297A/en
Publication of WO2005086111A1 publication Critical patent/WO2005086111A1/fr

Links

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
    • G08G1/017—Detecting movement of traffic to be counted or controlled identifying 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
    • G08G1/017—Detecting movement of traffic to be counted or controlled identifying vehicles
    • G08G1/0175—Detecting movement of traffic to be counted or controlled identifying vehicles by photographing vehicles, e.g. when violating traffic rules
    • 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
    • G08G1/054—Detecting movement of traffic to be counted or controlled with provision for determining speed or overspeed photographing overspeeding vehicles

Definitions

  • ROAD TRAFFIC MONITOR This invention relates to a road traffic monitor.
  • traffic monitoring There are a number of circumstances where effective traffic monitoring is highly desirable.
  • a knowledge of the volume and types of vehicles can provide data to allow adjustment or redirection of traffic flow.
  • speed enforcement on predetermined road sections and vehicle tracking together with such as approved entry into locations, bus lane monitoring, bus schedule checking and vehicle usage of toll roads.
  • a road traffic monitor comprises a socket, a lens mounted on the socket, and a camera located in the socket below the lens, refraction of light through the domed lens to the camera lens providing to the camera a field of vision along a predetermined direction to allow a vehicle or a part thereof to be photographed.
  • the camera may be a video camera that runs continuously.
  • the lens may be flat or domed and the camera may be so located below the lens such that the camera lens faces upwards, and the lens be such that it is mono-directional in the sense of allowing light to reach the camera lens.
  • the camera would record vehicles travelling in one direction only.
  • the lens may be such as to be bi-directional in the sense of allowing light to reach the camera lens from two opposite directions, when the camera can record traffic travelling in both directions.
  • a circular lens that recordal can be multi-directional in the sense of allowing light to reach the camera lens over360°, and allow the recording of traffic irrespective as to its particular location in relation to the socket.
  • the lens on the socket has a large radius of curvature such that it only protrudes marginally above the edge of the socket, and when the socket is positioned in a hole formed in the road the lens lies substantially flat to the road surface thereby minimising the possibility of damage by traffic at large, and specifically by such as snow ploughs when they are clearing the road surface.
  • the domed lens on the socket with an interposed resilient support, to allow the domed lens to yield and sink into the socket if it is hit by vehicle wheels or a snow plough blade.
  • the camera can be mounted in the socket on a cradle, to ensure that the camera is held still and hence avoid any camera judder that would affect the clarity of a photograph taken by it.
  • the camera still or moving, is a digital camera able to take and store a considerable number of photographs.
  • the camera may be hard wired to a suitable power source, but also may be operated by batteries, preferably rechargeable batteries, and solar cell/capacitor means provided to charge the batteries during daylight hours, to maintain the camera operational during the hours of darkness.
  • the sensor means when used, to trigger the camera may be an optical sensor, but preferably is an infra red or sonic detector better suited to night time operation.
  • the socket with its camera may also be provided with reflectors for the assistance of drivers during hours of darkness, and ideally a number of camera sockets are strategically located along a length of road.
  • vehicle speed detection means may be provided in remote spaced location along a road, and connected to the camera in the socket, such that if a vehicle is detected travelling at a higher speed than the limit for the road at issue, the camera is triggered to photograph its number plate.
  • two spaced camera studs could have integral speed detection means, and when again the number plate of a vehicle travelling at an illegal speed can be photographed.
  • a memory card associated with the camera may be periodically removed and "read", but desirably a means of providing an RF signal may be provided in the socket to relay information to a roadside receiver from where it can be relayed to a central control unit for analysis and processing.
  • a microprocessor may be provided, roadside located or positioned within the monitor, and hardwired to mains supply and to the camera. The microprocessor may serve as a speed detector for vehicles travelling along the road in which the monitor is mounted, and serve to signal the camera to record a vehicle that is detected as travelling in excess of the speed limit for the road in question.
  • the system associated with the camera in the socket may be such that all passing vehicles are photographed, and that information relayed continuously to a central control unit for comparison with listings of number plates of known stolen vehicles.
  • the underside of vehicles can be photographed, to match a car type to a database and to scan for explosives.
  • a memory can be provided and associated with the camera, the memory containing information regarding the number plates of approved vehicles.
  • bus lane monitoring where the number plates of buses/taxis that are expected to use a particular stretch of road can be stored, and compared with the number plates of vehicles photographed when using the bus lane. Vehicles with no authority to use the bus lane can then be dealt with appropriately. Equally the number plate of a bus photographed in a bus lane can give information of its location and time, to determine if it is meeting an approved timetable.
  • a means may be provided in the socket to sense when the front of a vehicle reaches the socket and sense when the rear of the vehicle leaves the socket to provide information of vehicle length.
  • a photograph of a number plate and details of the length of that vehicle can be passed simultaneously to the central register, and if the photographed number plate is stored with a different vehicle length that has been sensed, it would signal that a vehicle is using false number plates.
  • a camera stud is not exhaustive. By locating a camera in a road stud it can be used in a wide number of applications.
  • Figure 1 is a schematic sectional side elevation of one embodiment of road traffic monitor according to the invention
  • Figure 2 is a perspective view of a second embodiment of road traffic monitor according to the invention
  • Figure 3 is a side elevation of Figure 2 with the socket removed
  • Figure 4 is a section on the line 4-4 of Figure 3
  • Figure 5 is an exploded perspective view of the inner components of the second embodiment of the invention, to reduced scale
  • Figure 6 is a schematic view of a road mounted monitor and an associated control and storage unit.
  • a road traffic monitor 1 has a socket with an upper part 2 and a lower part 3.
  • a lens 4 Located in the upper part 2 is a lens 4 with a shaped lower face 5 and recesses to receive solar cells 6.
  • the solar cells 6 are connected to a rechargeable battery or capacitor 7.
  • a camera 8 is located on a mounting plate 9 and within a camera holder 10.
  • the outer surface of the lens 4 has a large radius of curvature, and such that with the socket located in a hole in a road surface, the lens protrudes only marginally above the level of the road, thus minimising damage to the lens by passing traffic or by such as the blades of a snowploughs.
  • the lens 4 and its shaped under surface 5 is such that light 11 approaching the lens from both sides in the direction of the road in which the monitor is located is refracted and directed at the lens of the camera 8, allowing the camera to photograph vehicles to both sides of the monitor 1.
  • a detector 12 to sense the presence of an approaching vehicle along with a sight path 13, or receive a signal 13 from a remote source to activate the camera lens and capture the image of the vehicle number plate.
  • a second embodiment of road traffic monitor 14 has a socket 15 secured to a base 16.
  • a lens cover or lens head 17 is provided with an aperture 18 aligned with a shaped lens 19 fitted in a lens holder 20 located within the socket.
  • the lens holder 20 is fitted to a camera holder 21 having an aperture 22 in its upper face, and a camera 23 is secured to a mounting plate 24.
  • the lens head 17 has a large radius of curvature such that when the socket is located in a hole in the road, the lens head protrudes marginally above the level of the road, to minimise damage to the lens head by passing traffic and by such as the blades of snowploughs.
  • the height of the lens head is further reduced by providing a flattened area 25 to one side of its crown, and by having a flattened area26 co-planar with the outer surface of the lens 19.
  • the monitor is hard wired by a cable 27 to a mains supply strategically located to the side of a road.
  • the monitor is road mounted and positioned on a carriageway to give its camera a clear view of an approaching vehicle, or ensure that the vehicle passes over the monitor.
  • a microprocessor 28 connected by a cable 29 to the camera in the socket 15.
  • the camera 18 is a digital camera with a single photograph and video facility. It will be understood that the microprocessor can be positioned within the socket. Thus, with power supplied to the camera, its video facility runs continuously, filming each approaching vehicle, and discarding that image unless instructed otherwise.
  • the camera When signalled by microprocessor 28, the camera captures the image of the number plate of a selected vehicle, and feeds the image back to the microprocessor for storage, or converts the image into character recognised form, and signals the vehicle number to the microprocessor for storage.
  • the road side microprocessor can be a speed detector to signal the camera to capture the number of a vehicle sensed travelling at a speed greater than the limit for that road.
  • two adjacent monitors in the road can be connected, to sense the speed of a vehicle travelling between them and to signal the camera in the second socket to capture the vehicle number.
  • the microprocessor can also sense the presence of a vehicle in such as a bus-only lane, and signal the camera to capture its number plate.
  • the microprocessor can have a memory including the numbers of stolen vehicles, the camera signalling the microprocessor with the numbers of every passing vehicle, to enable a signal to be released by the camera that a stolen vehicle has passed it at an identified date and time.
  • the camera can have software to scan the underside of a passing vehicle, having captured its number, to signal the microprocessor that explosives have been sensed on a vehicle of an identified number.
  • the microprocessor located at an entrance with a monitor mounted in the road approaching the entrance can have a memory on which approved numbers are stored, the camera signalling the microprocessor with the number of each approaching vehicle, and if the number matches with a number in the microprocessor memory, the microprocessor signals door or barrier means to open to allow the approved vehicle in.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Traffic Control Systems (AREA)

Abstract

L'invention concerne un dispositif de surveillance de trafic routier. Surveiller le trafic routier de manière efficace est très utile dans de nombreuses circonstances. Ainsi, par exemple, l'invention propose une gestion générale du trafic, lorsque des connaissances du volume et des types de véhicule peuvent permettre de fournir des données permettant de régler ou de rediriger un flux de trafic. L'utilisation croissante des caméras routières permet de fournir d'autres informations concernant les véhicules et leur plaque d'immatriculation, principalement dans le cadre d'un contrôle de limite de vitesse, mais ces caméras peuvent également fournir des informations associées au trafic. Toutefois, les caméras routières ne sont pas écologiques et sont encombrantes, et relativement chères à installer et à maintenir, et le vandalisme entraîne des coûts élevés de surveillance. L'invention permet d'éviter les désavantages susmentionnés tout en fournissant un fonctionnement satisfaisant aux besoins requis. Le dispositif de surveillance de trafic routier de l'invention comprend une douille, une lentille montée sur cette douille, et une caméra placée dans la douille, sous la lentille, la réflexion de la lumière à travers la lentille en forme de dôme sur la lentille de la caméra fournit à la caméra un champ de vision le long d'une direction prédéterminée pour permettre à un véhicule ou à une partie de celui-ci d'être photographié. De préférence, associé à un appareil photo, on peut joindre un moyen de capteur pour déclencher l'appareil photo lorsqu'un véhicule est dans une position pour se faire photographier.
PCT/GB2005/000848 2004-03-06 2005-03-04 Dispositif de surveillance de trafic routier WO2005086111A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0619260A GB2427297A (en) 2004-03-06 2005-03-04 Road traffic monitor

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0405150.4 2004-03-06
GBGB0405150.4A GB0405150D0 (en) 2004-03-06 2004-03-06 Road traffic monitor

Publications (1)

Publication Number Publication Date
WO2005086111A1 true WO2005086111A1 (fr) 2005-09-15

Family

ID=32088897

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2005/000848 WO2005086111A1 (fr) 2004-03-06 2005-03-04 Dispositif de surveillance de trafic routier

Country Status (2)

Country Link
GB (2) GB0405150D0 (fr)
WO (1) WO2005086111A1 (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090201413A1 (en) * 2008-02-09 2009-08-13 Fishman James B Surface camera system
RU2385498C1 (ru) * 2008-10-27 2010-03-27 Александр Петрович Шарапов Устройство для организации дорожного движения
RU2455698C1 (ru) * 2010-12-27 2012-07-10 Открытое акционерное общество "Авангард" Устройство для организации дорожного движения
JP2016522594A (ja) * 2013-03-15 2016-07-28 ニュートロニック パープチュアル イノベーションズ、エルエルシー モバイルデータ展開のためのシステム及び方法
CN106740431A (zh) * 2017-01-09 2017-05-31 长沙理工大学 一种基于车路协同的汽车大灯自动控制系统
RU2651936C1 (ru) * 2017-01-31 2018-04-24 Федеральное государственное казенное военное образовательное учреждение высшего образования "ВОЕННАЯ АКАДЕМИЯ МАТЕРИАЛЬНО-ТЕХНИЧЕСКОГО ОБЕСПЕЧЕНИЯ имени генерала армии А.В. Хрулева" Устройство для организации дорожного движения
WO2018114870A1 (fr) * 2016-12-21 2018-06-28 Marquardt Gmbh Système de détection ayant une cellule solaire
FR3063827A1 (fr) * 2017-03-07 2018-09-14 Bluematrix Procede et dispositif de surveillance routiere et sa fabrication

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999018554A1 (fr) * 1997-10-08 1999-04-15 Tracon Systems, Ltd. Systeme de surveillance video de la circulation routiere

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1999018554A1 (fr) * 1997-10-08 1999-04-15 Tracon Systems, Ltd. Systeme de surveillance video de la circulation routiere

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090201413A1 (en) * 2008-02-09 2009-08-13 Fishman James B Surface camera system
US8508594B2 (en) * 2008-02-09 2013-08-13 ON-BOARD VIDEO, Ltd. Surface camera system
RU2385498C1 (ru) * 2008-10-27 2010-03-27 Александр Петрович Шарапов Устройство для организации дорожного движения
RU2455698C1 (ru) * 2010-12-27 2012-07-10 Открытое акционерное общество "Авангард" Устройство для организации дорожного движения
JP2016522594A (ja) * 2013-03-15 2016-07-28 ニュートロニック パープチュアル イノベーションズ、エルエルシー モバイルデータ展開のためのシステム及び方法
WO2018114870A1 (fr) * 2016-12-21 2018-06-28 Marquardt Gmbh Système de détection ayant une cellule solaire
CN106740431A (zh) * 2017-01-09 2017-05-31 长沙理工大学 一种基于车路协同的汽车大灯自动控制系统
RU2651936C1 (ru) * 2017-01-31 2018-04-24 Федеральное государственное казенное военное образовательное учреждение высшего образования "ВОЕННАЯ АКАДЕМИЯ МАТЕРИАЛЬНО-ТЕХНИЧЕСКОГО ОБЕСПЕЧЕНИЯ имени генерала армии А.В. Хрулева" Устройство для организации дорожного движения
FR3063827A1 (fr) * 2017-03-07 2018-09-14 Bluematrix Procede et dispositif de surveillance routiere et sa fabrication

Also Published As

Publication number Publication date
GB2427297A (en) 2006-12-20
GB0619260D0 (en) 2006-11-15
GB0405150D0 (en) 2004-04-07

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