EP3285240B1 - Installation de signaux lumineux comprenant un indicateur de signaux lumineux d'urgence et son procédé d'activation - Google Patents

Installation de signaux lumineux comprenant un indicateur de signaux lumineux d'urgence et son procédé d'activation Download PDF

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Publication number
EP3285240B1
EP3285240B1 EP16184521.9A EP16184521A EP3285240B1 EP 3285240 B1 EP3285240 B1 EP 3285240B1 EP 16184521 A EP16184521 A EP 16184521A EP 3285240 B1 EP3285240 B1 EP 3285240B1
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EP
European Patent Office
Prior art keywords
signal
traffic light
flashing circuit
line
central control
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Application number
EP16184521.9A
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German (de)
English (en)
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EP3285240A1 (fr
Inventor
Jürgen Schell
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Individual
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Individual
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    • 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
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B5/00—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied
    • G08B5/22—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission
    • G08B5/36—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission using visible light sources
    • G08B5/38—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission using visible light sources using flashing light

Definitions

  • the invention relates to a traffic light system for a road intersection with priority crossing and non-authorized crossing arms comprising one or more emergency signal lights, wherein the traffic light system is switched by a central control unit, wherein in the emergency light signal signal generator a flashing circuit with a flashing clock, with a local energy storage and a switch exists are, and wherein the emergency light signal from the central control unit a monitoring line is guided, which leads in a normal operation of the traffic light system a buffer voltage for the local energy storage and which leads to a failure of the traffic light system no voltage, wherein the voltage drop on the monitoring line leads to the switch in the emergency light signal generator switches the signal light to the flashing circuit fed by the local energy store.
  • the emergency light signal generator is formed by the extension of the yellow signal light of a signal generator.
  • the invention relates to a method for activating the emergency light signal generator.
  • Flashing lights are used as an attention signal in many areas. For example, construction sites in road construction are protected by flashing lights at the boundaries of the construction site.
  • US 8,248,271 B2 describes a similar traffic light system with emergency light signal generator and its signal light, which operates in case of power failure, a powered from a local energy storage flashing circuit.
  • the invention in connection with the preamble of claim 1, characterized in that from the flashing circuit to the central control unit, a return line is guided, wherein a status signal of the flashing circuit is applied to the return line.
  • the emergency flashing device in a traffic light system of a street intersection with right of way and non-right of way crossing arms uses the normal yellow signal lights for the emergency light signal generator.
  • a flashing circuit with a local energy storage such as an accumulator or a battery, and a changeover switch is present in the emergency light signal generator.
  • a monitoring line is led to this emergency light signal generator and its signal light, which leads in a normal operation of the traffic light system a buffer voltage for the local energy storage.
  • the monitoring line does not carry any voltage.
  • the switch in the emergency light signal generator switches over to the signal light flashing circuit fed by the rechargeable battery.
  • the flasher circuit is activated and the signal lamp in the emergency flasher switch turns into flashing mode. Since the emergency light signal on the non-right of right arms of the Road intersection is used, the drivers are made aware of the right of way.
  • a status signal of the flashing circuit characterizing the flashing mode of the emergency light signal emitter is transmitted to the central control unit via the return line provided according to the invention.
  • the central control unit knows insofar as the activation of the flashing circuit. If the activation of the flashing circuit was not initiated by the central control unit, but, for example, due to an unrecognized defect, in particular due to a cable break to the emergency flasher signal generator, an insecure overall operating condition for the traffic light system can be detected by the central control unit.
  • the return line is conductively connected to the monitoring line in the case of an activated flashing circuit. It is so far on the return line and the monitoring line to a same signal. It can be provided for this purpose, for example, a positively driven relay with a normally open contact and a normally closed contact.
  • the normally open contact is in particular associated with the return line, while the normally closed contact is designed for switching between the regular operating mode and the flashing mode of the emergency light signal signal generator.
  • the implementation is preferably carried out so that the normally closed contact and the normally open contact are not closed at the same time.
  • the central control unit of the traffic light system detects insofar that a status signal indicates via the return line that the flashing circuit is activated.
  • the comparison is realized in such a way that on the side of the central control unit the signal (buffer voltage) provided by the same on the monitoring line is compared with the status signal on the return line.
  • the signals should correspond to one another, whereas during the flashing mode the return line is open and in so far as the signals may differ.
  • an already guided by the flashing circuit or the signal generator to the central control unit data line is also used to transmit the status signal.
  • the data line serves insofar as return line within the meaning of the invention.
  • signals can be transmitted via the data line, which serve in the normal operating state of the control of the triple combination of signal lights.
  • the status signal can be switched on the side of the flashing circuit and evaluated by the central control unit.
  • the communication via the data line can be designed monodirectional or bidirectional insofar as always a transmission of signals from the flashing circuit to the central control unit is provided.
  • the flashing circuit has an evaluator for digital signals on the monitoring line.
  • the switch can be additionally switched by the central controller, even if the monitoring line carries the buffer voltage.
  • the changeover switch can be controlled via the data line.
  • the traffic light system of a road junction with right of way and non-right of way authorized crossing arms is usually controlled from a central control unit forth. If at least one yellow signal light of the traffic light system is formed on the non-authorized right crossing arms as emergency light signal signal generator of the type described above, the risk situation can be reduced after failure of the traffic signal at the intersection.
  • all yellow signal lights of the intersection can be configured as an emergency light signal generator and be activated accordingly.
  • the invention in conjunction with the preamble of claim 8 is characterized in that the buffer voltage is switched off on the monitoring line from the central control unit.
  • the central control unit The activation of the flashing circuit of an emergency light signal generator is effected by the central control unit, the buffer voltage is switched off on the monitoring line. This can be active or passive. If, for example, the central FI switch shuts off the traffic light by any event, there will be no buffer voltage and the traffic light will passively enter the flashing mode.
  • the central control unit can also actively switch off the buffer voltage on the monitoring line in order to activate the flashing circuit, for example, only at a crossing arm. This is useful for maintenance on the traffic light system.
  • Another activation can be triggered by the central control unit by transmitting a digital signal on the monitoring line which is analyzed by an indicator of the flashing circuit and activates the changeover switch.
  • Other control information about the flashing circuit can also be transmitted via the digital signals, for example setting the flashing frequency and / or the pulse / pause ratio.
  • Fig. 1 schematically a road junction is shown, which is equipped at all crossing arms 4.1, 4.2, 5.1, 5.2 with a three-field signal generator 1.
  • the yellow signal lights 2 on the non-authorized right crossing arms 4.1, 4.2 of the intersection are designed as emergency light signal signal generator.
  • From a central control unit 3 data links lead 15 to the lights with yellow signal lights 2.
  • a vehicle 4 on a non-right of way crossing 4.2 is made aware of the right-of-way situation in the flashing mode by the emergency flasher signal and its signal light.
  • a regular drive signal for the yellow signal light of the signal generator 2 via the signal line "yellow" 11 is supplied.
  • a monitoring line 12 is provided, at which a phase for the outdoor installation of the central control unit 3 is applied. On the monitoring line 12, a voltage is applied only when the entire traffic light system is in operation.
  • a return line 14 is provided according to the invention, which is guided by the flashing circuit 9 to the central control unit 3.
  • the monitoring line 12 to which, for example, 40 V AC voltage or 230 V AC voltage applied, fed via an AC / DC converter 16 and a charge controller 17 a local energy storage 8 of the flashing circuit.
  • a positively driven relay (breaker 10) switches the flashing circuit 9.
  • the switch 10 sees a closing contact 10.2. and a normally closed contact 10.1 before.
  • the return line 14 is connected to the monitoring line 12 in normal operation.
  • the central control unit 3 receives a status signal from the flashing circuit 9, which makes clear that the flashing circuit 9 is deactivated and the yellow signal light of the signal generator 2 is operated in normal operation via the signal line "yellow" 11.
  • the NC contact 10.1 When activating the flashing circuit, on the other hand, the NC contact 10.1 is actuated and, on the other hand, the closing contact 10.2 is opened.
  • a connection is established between a flasher clock 13 and the yellow signal light of the signal generator 2 and, secondly, the return line 14 is disconnected from the monitoring line 12.
  • the drop in the status signal on the return line 14 indicates the flashing mode with respect to the central control unit 3.
  • the flashing mode is established by activating the flashing circuit 9 as a result of switching over the normally closed contact 10.1.
  • the flashing clock 13 is in this case operated from the local energy store 8.
  • the local energy store 8 is designed, for example, in the manner of a rechargeable battery. It is fed via the monitoring line 12 during normal operation of the traffic light system.
  • the flashing circuit 9 includes a decentralized controller 18 with the flashing clock 13, a fuse logic 20 and a signal driver 21 and the switch 10. It is here so that the signal driver 21 receives the drive signal for the yellow signal light of the signal generator 2 via the signal line and on the Monitoring line 12, a control signal is supplied. Optionally, the signal driver 21 can receive the drive signal for the yellow signal light 2 via the data line 14 and the safety logic 20. The control signal is supplied, for example via a measuring unit 19 of the backup logic 20. Detects the backup logic 20 an exception operating state or reports that Central control unit off signaling, the switch 10 is provided so that the yellow signal light is controlled via the flasher clock 13.
  • the same procedure is used if the communication is interrupted, for example because of a break in the monitoring line 12.
  • the backup logic 20 must go out in this case from a non-functional controller and activates the flashing circuit 9 via the switch 10.
  • the switch 10 is designed in particular as intrinsically safe switch 10 so that the rest position of the switch 10 corresponds to the activated flashing circuit 9.
  • the security logic switches off the flashing clock 13 reliably.
  • the changeover switch 10 is then provided so that the signal line "yellow" 11 is connected to the yellow signal light 2.
  • the central control unit 3 can monitor the operating state of the flashing circuit 9 safely. If, in the exceptional case, the communication to the flashing circuit 9 is no longer given or the operating state of the flashing circuit 9 is not known, the central control unit 3 will completely switch off the traffic light system and put it in the emergency mode. Likewise, the traffic light system is put into the emergency operating state of the central control unit 3, although the communication is intact, the flashing clock 13 is nevertheless activated and the yellow signal light 2 is operated in the flashing mode.
  • Another suitable voltage may be applied to the monitoring line 12.
  • the accumulator energy storage
  • the accumulator is designed so that a reloading and / or an exchange of the same is / are possible in a simple and fast manner. This can be advantageous in particular for long-lasting Maintenance work a safe operation over the normal life of the accumulator beyond realized.
  • data can be exchanged bidirectionally between the flashing circuit 9 and the central control unit of the intersection controller 3 via the monitoring line 12.
  • the monitoring line 12 may be formed, for example, as a power line.
  • all regular signaling in particular the red and green signal lights are interrupted or suspended while the flashing circuit 9 is activated.

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

Claims (10)

  1. Installation de signaux lumineux pour un carrefour comportant des intersections de routes prioritaires (5.1, 5.2) et des intersections de routes non-prioritaires (4.1, 4.2), comprenant un capteur de signaux lumineux d'alerte et un feu de signalisation à cet effet, laquelle installation de signaux lumineux étant commutée par un contrôleur central (3), dans laquelle dans le capteur de signaux lumineux d'alerte et son feu de signalisation il est prévu un circuit de clignotement (9) comportant un générateur d'horloge de clignotement (13), comportant un accumulateur d'énergie local (8) et comportant un commutateur (10), et dans laquelle une ligne de surveillance (12) est passée depuis le contrôleur central (3) vers le capteur de signaux lumineux d'alerte et son feu de signalisation, ligne qui, dans un fonctionnement normal de l'installation de signaux lumineux, conduit une tension tampon pour l'accumulateur d'énergie local (8) et qui, en cas de défaillance de l'installation de signaux lumineux, ne conduit aucune tension, la chute de tension dans la ligne de surveillance (12) conduisant à ce que le commutateur (10) du capteur de signaux lumineux d'alerte commute le feu de signalisation sur le circuit de clignotement (9) alimenté par l'accumulateur d'énergie local (8), caractérisée en ce qu'une ligne de retour (14) est passée depuis le circuit de clignotement (9) vers le contrôleur central (3), un signal d'état du circuit de clignotement (9) étant présent dans la ligne de retour (14).
  2. Installation de signaux lumineux selon la revendication 1, caractérisée en ce que la ligne de retour (14) est de toute façon dans le cas où le circuit de clignotement (9) est activé, reliée de manière conductrice à la ligne de surveillance (12) de telle sorte qu'un signal identique est présent dans la ligne de retour (14) et dans la ligne de surveillance (12).
  3. Installation de signaux lumineux selon la revendication 1 ou 2, caractérisée en ce qu'une ligne de transmission de données passée depuis le circuit de clignotement (9) vers le contrôleur central (3) est configurée en même temps sous la forme d'une ligne de retour (14) transmettant le signal d'état.
  4. Installation de signaux lumineux selon une des revendications 1 à 3, caractérisée en ce que le contrôleur central (3) et le circuit de clignotement (9) coopèrent par le biais de ligne de transmission de données de telle sorte que des données bidirectionnelles sont transmises entre le contrôleur central (3) et le circuit de clignotement (9).
  5. Installation de signaux lumineux selon une des revendications 1 à 4, caractérisée en ce que la tension tampon dans la condition de fonctionnement normal de l'installation de signaux lumineux et une tension nulle pendant le fonctionnement du circuit de clignotement (9) sont prévues sous forme de signaux d'état dans la ligne de retour (14).
  6. Installation de signaux lumineux selon une des revendications 1 à 5, caractérisée en ce que le circuit de clignotement (9) comporte un évaluateur de signaux numériques dans la ligne de surveillance (12) qui permettent de faire commuter le commutateur (10) par le contrôleur central (3).
  7. Installation de signaux lumineux selon une des revendications 1 à 6, caractérisée en ce qu'au moins un feu de signalisation jaune est configuré sous forme d'un capteur de signal lumineux d'alerte (2) des intersections de routes non-prioritaires (4.1, 4.2) et de préférence tous les feux de signalisation jaunes (2) des intersections de routes non-prioritaires (4.1, 4.2) sont configurés sous forme de capteurs de signaux lumineux d'alerte.
  8. Procédé de fonctionnement d'un circuit de clignotement (9) d'une installation de signaux lumineux selon une des revendications 1 à 7, caractérisé en ce que, pour activer le circuit de clignotement (9) par le contrôleur central (3), la tension tampon dans la ligne de surveillance (12) est coupée.
  9. Procédé selon la revendication 8, caractérisé en ce qu'un signal numérique est transmis dans la ligne de surveillance (12) par le contrôleur central (3) et est évalué par le circuit de clignotement (9).
  10. Procédé selon la revendication 8 ou 9, caractérisé en ce qu'une erreur est détectée du côté du contrôleur central (3) pour au moins un feu de signalisation d'un capteur de signal lumineux d'alerte en comparant des signaux dans la ligne de surveillance (12) et dans la ligne de retour (14), et/ou en ce que des signaux d'état sont évalués dans la ligne de retour (14), et en ce que, alors, le circuit de clignotement (9) est activé pour tous les feux de signalisation du capteur de signaux lumineux d'alerte de l'installation de signaux lumineux.
EP16184521.9A 2016-08-17 2016-08-17 Installation de signaux lumineux comprenant un indicateur de signaux lumineux d'urgence et son procédé d'activation Active EP3285240B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP16184521.9A EP3285240B1 (fr) 2016-08-17 2016-08-17 Installation de signaux lumineux comprenant un indicateur de signaux lumineux d'urgence et son procédé d'activation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP16184521.9A EP3285240B1 (fr) 2016-08-17 2016-08-17 Installation de signaux lumineux comprenant un indicateur de signaux lumineux d'urgence et son procédé d'activation

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EP3285240A1 EP3285240A1 (fr) 2018-02-21
EP3285240B1 true EP3285240B1 (fr) 2019-05-01

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6965322B2 (en) * 2003-07-18 2005-11-15 Eric A. Metz Traffic signal operation during power outages
CN102171739B (zh) * 2008-08-15 2015-01-21 照明有限责任公司 具有内部电路备用系统的交通led灯
DE202015103724U1 (de) 2015-07-16 2015-09-10 Jürgen Schell Mobile Blinklampe

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