EP0942401A2 - Méthode et dispositif pour la fiabilité du signal dans les agencements de feu de signalisation - Google Patents

Méthode et dispositif pour la fiabilité du signal dans les agencements de feu de signalisation Download PDF

Info

Publication number: EP0942401A2
Authority: EP; European Patent Office
Prior art keywords: actuators; central unit; display device; display devices; actual
Prior art date: 1998-03-13
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.): Granted

Application number

EP99104966A

Other languages

German (de)

English (en)

Other versions

EP0942401A3 (fr

EP0942401B1 (fr

Inventor

Ulrich Hahn

Vasco Tilly

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.)

Siemens AG

Siemens Corp

Original Assignee

Siemens AG

Siemens Corp

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.)

1998-03-13

Filing date

1999-03-12

Publication date

1999-09-15

1999-03-12 Application filed by Siemens AG, Siemens Corp filed Critical Siemens AG

1999-09-15 Publication of EP0942401A2 publication Critical patent/EP0942401A2/fr

2000-08-30 Publication of EP0942401A3 publication Critical patent/EP0942401A3/fr

2004-09-22 Application granted granted Critical

2004-09-22 Publication of EP0942401B1 publication Critical patent/EP0942401B1/fr

2019-03-12 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

238000000034 method Methods 0.000 title claims abstract description 12
230000011664 signaling Effects 0.000 title description 2
239000011159 matrix material Substances 0.000 claims description 7
230000005540 biological transmission Effects 0.000 claims description 2
238000011156 evaluation Methods 0.000 claims description 2
241001136792 Alle Species 0.000 abstract 1
206010039203 Road traffic accident Diseases 0.000 description 1
238000006243 chemical reaction Methods 0.000 description 1
238000010586 diagram Methods 0.000 description 1
230000000694 effects Effects 0.000 description 1
238000012545 processing Methods 0.000 description 1
238000012552 review Methods 0.000 description 1
238000012546 transfer Methods 0.000 description 1
230000001960 triggered effect Effects 0.000 description 1

Images

Classifications

- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/07—Controlling traffic signals
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
- G08G1/095—Traffic lights

Definitions

the invention relates to a method and an apparatus for signal protection in systems with variable message signs according to the preamble of claim 1 or the preamble of claim 3.
Variable message signs are used to influence traffic used for example on highways.
the individual traffic signs are arranged by matrix-like Shown points of light that over light guide bundles of low-voltage lamps be illuminated.
the variable message signs are usually not individually, but in related groups, for example a so-called gantry bridge attached across the road.
a variable message sign hangs over each lane of the lane. From the individual variable message signs shown states must not conflict trigger, that means they must not contradict each other. Especially must not use dangerous combinations of characters - like two opposing yellow arrows, double images and garbled images appear.
the displayed The actual status of the traffic signs must therefore be constantly monitored to avoid errors that easily lead to traffic accidents can lead to recognize in time.
the object is achieved with a method for signal protection with the characterizing features of the claim 1 as well as with a device for signal protection the characterizing features of claim 6 solved.
a desired state of the central unit in an advantageous manner a selected display device to the associated one Transfer the variable message sign actuator.
the feedback about the current status of the selected one Display device is used on all actuators as well the central unit transferred.
each actuator as well as the Central unit will display the actual statuses currently displayed Conflicts with each other checked. It is advantageous each actuator as well as the central unit are able to Display devices, their actual states conflict with each other have to switch to a safe state.
each actuator checks its associated Display device for a match between Target and actual status and switches in the event of a deviation Display device so that a faulty as early as possible Display is prevented.
the individual actuators are connected to each other via a control bus, that the feedback about displayed actual conditions to everyone Actuators and the central unit are transmitted. Thereby ensures that all actuators and the central unit the displayed actual states independently of each other can check for conflicts.
each actuator is assigned switches that have an emergency shutdown circuit switch off between the actuators and the central unit can, as soon as an error between target and actual state occurs.
the switched off emergency shutdown causes then a shutdown of the operating voltage line for everyone Display devices. This means that there are errors in the actuators ensured that the display devices too actually be turned off.
the device is particularly simple 8 through control processors operating in the actuators and the central unit are arranged and for transmission and evaluation of the target states and the actual states are.
the invention is illustrated by the only figure in the drawing explained in more detail.
the figure shows a schematic Circuit diagram of the device for signal protection according to the invention.
variable message signs 2 schematically two variable message sign 2 shown.
the variable message signs 2 each have one Display device 3, for example composed of a matrix Illuminated dots illuminated by light guide bundles be, as well as an actuator 4.
the actuators 4 control the individual display devices 3 and are over a control bus 5 connected to a central unit 6.
To the The central unit 6 shares the display of a traffic sign Via this control bus 5 an actuator 4 the target state a currently selected display device 3.
the target state is sent to the selected display device 3 transmitted, which in turn feedback on the displayed Current status is transferred back to the actuators 4.
For Power supply is provided by an energy supply device 7, the actuators via a line 8 to the power supply 4 and via an operating voltage line 9 the display devices 3 powered.
control processors 10 which shows the actual states with the target states to be displayed to compare.
the current status of all variable message signs with the help of a so-called Checked in the actuator 4, signal protection matrix checked.
the signal protection matrix describes which Actual states are not different at the same time Variable message signers may be displayed (Conflict), so that a traffic hazard is avoided.
Detected a control processor 10 a deviation of the actual from Desired state or one in the signal protection matrix as dangerous marked combination of actual states (conflict), so at least the display devices involved 3 switched to a safe state, for example they are switched off. In the case of conflict, one will be opposed higher security by switching off everyone in the system 1 arranged display devices 3 achieved.
an emergency shutdown circuit 11 which connects individual actuators 4 with the central unit 6. There are switches in each actuator and in the central unit 12 provided that are triggered in the event of an error. A switch 13 to interrupt the operating voltage line 9, the is in the emergency shutdown circuit 11, causes in the event of an error an interruption of the operating voltage line 9. This all display devices are switched off. So both a shutdown by the actuators 4 as well as one Shutdown via the operating voltage line 9 ensured.
the line 8 for Power supply to the actuators 4, the operating voltage line 9, the control bus 5 and the emergency shutdown circuit 11 together in a cable harness from the central unit 6 to the individual variable message signs 2 led.

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Traffic Control Systems (AREA)
Inverter Devices (AREA)
Road Signs Or Road Markings (AREA)
Communication Control (AREA)
Stereo-Broadcasting Methods (AREA)

EP99104966A 1998-03-13 1999-03-12 Méthode et dispositif pour la fiabilité du signal dans les agencements de feu de signalisation Expired - Lifetime EP0942401B1 (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE19811082		1998-03-13
DE19811082		1998-03-13

Publications (3)

Publication Number	Publication Date
EP0942401A2 true EP0942401A2 (fr)	1999-09-15
EP0942401A3 EP0942401A3 (fr)	2000-08-30
EP0942401B1 EP0942401B1 (fr)	2004-09-22

Family

ID=7860880

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP99104966A Expired - Lifetime EP0942401B1 (fr)	1998-03-13	1999-03-12	Méthode et dispositif pour la fiabilité du signal dans les agencements de feu de signalisation

Country Status (4)

Country	Link
EP (1)	EP0942401B1 (fr)
AT (1)	ATE277394T1 (fr)
DE (1)	DE59910549D1 (fr)
DK (1)	DK0942401T3 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE102005046760B4 (de) *	2005-09-29	2008-09-04	Siemens Ag	Verfahren und Vorrichtung zur Ansteuerung ein oder mehrerer Verkehrsbeeinflussungselemente

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3337700A1 (de) *	1983-10-17	1985-05-02	Stührenberg, Rolf, 4930 Detmold	Vorrichtung zur signalsicherung bei lichtzeichenanlagen
DE3541549A1 (de) *	1985-11-25	1987-05-27	Stuehrenberg Rolf	Verfahren und vorrichtung zur signalsicherung in lichtzeichenanlagen
DE3805949A1 (de) *	1988-02-25	1989-09-07	Siemens Ag	Einrichtung zur teilabschaltung einer strassenverkehrssignalanlage
FR2647932B1 (fr) *	1989-06-02	1991-09-06	Forclum Force Lumiere Elect	Dispositif de telesurveillance de feux de carrefour et procede de mise en service d'un tel dispositif

1999
- 1999-03-12 DK DK99104966T patent/DK0942401T3/da active
- 1999-03-12 AT AT99104966T patent/ATE277394T1/de not_active IP Right Cessation
- 1999-03-12 EP EP99104966A patent/EP0942401B1/fr not_active Expired - Lifetime
- 1999-03-12 DE DE59910549T patent/DE59910549D1/de not_active Expired - Fee Related

Also Published As

Publication number	Publication date
DE59910549D1 (de)	2004-10-28
DK0942401T3 (da)	2005-01-24
EP0942401A3 (fr)	2000-08-30
EP0942401B1 (fr)	2004-09-22
ATE277394T1 (de)	2004-10-15

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2000-09-06	RIC1	Information provided on ipc code assigned before grant	Free format text: 7G 08G 1/07 A, 7G 08G 1/097 B
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2004-03-10	GRAP	Despatch of communication of intention to grant a patent	Free format text: ORIGINAL CODE: EPIDOSNIGR1
2004-04-21	RTI1	Title (correction)	Free format text: METHOD AND DEVICE FOR SIGNAL SAFETY IN TRAFFIC LIGHT CONTROL SYSTEMS
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