EP2858874B1 - Light signal - Google Patents

Light signal Download PDF

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Publication number
EP2858874B1
EP2858874B1 EP13745016.9A EP13745016A EP2858874B1 EP 2858874 B1 EP2858874 B1 EP 2858874B1 EP 13745016 A EP13745016 A EP 13745016A EP 2858874 B1 EP2858874 B1 EP 2858874B1
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Prior art keywords
light signal
led
parameters
signal according
programming
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German (de)
French (fr)
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EP2858874A2 (en
Inventor
Dirk Zimmermann
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Siemens Mobility GmbH
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Siemens Mobility GmbH
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61LGUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L5/00Local operating mechanisms for points or track-mounted scotch-blocks; Visible or audible signals; Local operating mechanisms for visible or audible signals
    • B61L5/12Visible signals
    • B61L5/18Light signals; Mechanisms associated therewith, e.g. blinders
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61LGUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L7/00Remote control of local operating means for points, signals, or track-mounted scotch-blocks
    • B61L7/06Remote control of local operating means for points, signals, or track-mounted scotch-blocks using electrical transmission
    • B61L7/08Circuitry
    • B61L7/10Circuitry for light signals, e.g. for supervision, back-signalling
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61LGUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L9/00Illumination specially adapted for points, form signals, or gates
    • B61L9/04Illumination specially adapted for points, form signals, or gates electric
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61LGUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L2207/00Features of light signals
    • B61L2207/02Features of light signals using light-emitting diodes [LEDs]

Definitions

  • the invention relates to a light signal, in particular for railway safety systems, with an LED signal transmitter.
  • LED signal heads are increasingly used for existing - and not only for new - railway safety systems. To do this, bulbs in the existing system often have to be replaced with LED signal transmitters.
  • the invention is based on the object of specifying a light signal with an LED signal transmitter which enables the LED signal transmitter to be used universally for a wide variety of requirements for the properties of the light signal.
  • the object is achieved in that the LED signal transmitter has a programming interface for specifying parameters for the LED signal transmitter and for constant and needs-based programming, with the parameters on LED control and / or
  • the programming function is used to specify relevant parameters of the LED signal head.
  • This parameter programming can be designed in such a way that the programming is carried out once before the installation of the signal generator, whereby the programming interface does not have to be part of the LED signal generator and is therefore available for programming several LED signal generators.
  • the programming interface enables universal use of the LED signal generator in conjunction with any signal circuit.
  • a test interface for reading out parameters of the LED signal generator is provided in addition to the programming interface.
  • the test interface can be used to check the most important or all programmed parameters as well as additional parameters of the LED signaling device, especially at the end of the manufacturing process. Relevant parameters that are suitable for monitoring the error-free function of the LED signal transmitter are preferably continuously read out and evaluated.
  • the parameters relating to the LED control according to claim 2 include a color selection, which takes place, for example, by mixing colors by controlling different LEDs.
  • the programming function preferably not only determines the individual color locations for the LED signal transmitter, but also the color selection for each specific signaling case.
  • the parameter relating to the selection of the operating voltage relates to an operating voltage level in the case of alternating voltage and/or direct voltage and/or pulsating direct voltage.
  • LED signal heads which can be controlled with different operating voltages, easily adapted to the respective boundary conditions.
  • the parameters relating to the characteristic curve adjustment include an operating point-dependent power consumption of the LED signal generator.
  • further current paths are switched on or off in order to increase or reduce the total current consumption of the LED signal head.
  • the current consumption according to the free or blocked bypass-type current paths in turn determines the position of the operating point and thus the characteristic, namely the voltage-dependent luminous intensity.
  • the programming according to claim 6 must ensure a routine to ensure a safe operating condition in terms of signaling technology. For example, it can make sense to switch off the light intensity of this light point when a fault condition is detected in the case of a signal whose green point of light means driving. On the other hand, it can make sense to switch on the light intensity of this light spot with a signal whose red point of light means stop when a fault condition is detected, for example with daylight intensity. How the signaling device should behave in the error state in a specific application is a property that has to be programmed.
  • the programming interface interacts with a function group for setting parameters.
  • This function group ensures that the programmed parameters are forwarded to the module responsible for setting the parameters.
  • the individual parameters can also be passed on directly from the programming interface to the responsible module, for example by assigning recipient addresses.
  • test interface can also be connected via a functional group, namely for parameter testing, to the assemblies whose parameters are to be read out or directly to these assemblies, in particular by using addressing
  • a wireless communication link between the programming interface and/or the test interface and a control center. Encryption and suitable addressing of these wireless communication radio signals are recommended to rule out manipulation.
  • a cable connection is also possible, for example via a bus system, between the light signal and the control center.
  • the Figures 2 and 3 illustrate schematically the most important assemblies and functional groups of an LED signal generator 1.
  • the LED signal generator 1 is peripherally connected to a programming interface 2, a test interface 3 and supply connections 4.
  • Internal modules are LED control 5, operating voltage selection 6, characteristic curve adjustment 7 and monitoring 8 as well as function groups for parameter specification 9 and parameter checking 10.
  • figure 2 shows how programming works via the programming interface 2 for specific requirements on the LED signal generator 1.
  • the parameters for the LED control 5, for example the color selection, the operating voltage selection 6, for example direct current or alternating current and voltage level, the characteristic curve adjustment 7 and the monitoring 8 are distributed from the programming interface 2 via the parameter specification 9 to the appropriate assemblies.
  • the parameter specification 9 function group ensures that the correct parameters are transferred to the responsible modules.
  • the parameter specification 9 can be omitted, if the programming interface directly transfers the individual parameters address-controlled.
  • figure 3 shows the flow of information in the opposite direction for testing purposes.
  • the actual actual parameters are read out by the test interface 3 analogously to the programming interface 2 either via addresses directly or via the parameter test function group 10 . In this way, it can be determined whether the programming was correct and whether various types of errors occurred during operation.
  • the test is only carried out immediately after programming or as part of an inspection.
  • the signal transmitter 1 produces the safe function itself through its architecture.
  • the parameters can be continuously monitored.
  • various other information for example the actual light intensity, can be read out continuously or as required.
  • This more comprehensive use of the test interface 3 enables a simpler architecture of the LED signal generator 1, since monitoring functions, for example for the light intensity, can be taken over externally, for example by an actuator in a control center.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Optical Communication System (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Description

Die Erfindung betrifft ein Lichtsignal, insbesondere für Eisenbahnsicherungsanlagen, mit einem LED-Signalgeber.The invention relates to a light signal, in particular for railway safety systems, with an LED signal transmitter.

Die nachfolgende Beschreibung bezieht sich im Wesentlichen auf ein Eisenbahn-Lichtsignal, ohne dass die Erfindung auf diese spezielle Anwendung beschränkt sein soll. Auch für andere Verkehrswege oder für Industrieanlagen ist eine Anwendung denkbar.The following description relates essentially to a railway light signal, without the invention being limited to this specific application. An application is also conceivable for other traffic routes or for industrial plants.

LED-Signalgeber werden zunehmend für bestehende - und nicht nur für neue - Eisenbahnsicherungsanlagen eingesetzt. Dazu müssen häufig Glühlampen der Bestandsanlage gegen LED-Signalgeber getauscht werden.LED signal heads are increasingly used for existing - and not only for new - railway safety systems. To do this, bulbs in the existing system often have to be replaced with LED signal transmitters.

Prinzipiell werden Lichtsignale von Signalschaltungen angesteuert. Diese schalten die Signalgeber ein und aus und überwachen gegebenenfalls die ordnungsgemäße Funktion der Signalgeber über den Stromfluss. Obwohl diese Grundfunktionen fast immer dieselben sind, unterscheiden sich Lichtsignale in ihren spezifischen Eigenschaften. Dazu gehören insbesondere

  • eine Glimmgrenze bei ausgeschaltetem Zustand, da diese die Stellentfernung zwischen dem Signalgeber und der Signalschaltung beeinflusst,
  • die Art der Speisespannung, insbesondere Wechselspannung, Gleichspannung oder modulierte Gleichspannung,
  • die Höhe der Speisespannung,
  • die Leistungsaufnahme des Signalgebers,
  • Lichtstärkefenster für Tag- und Nachtbetrieb sowie
  • Überwachungsfenster bezüglich Strom und/oder Spannung und/oder Lichtstärke zur Fehlererkennung.
In principle, light signals are controlled by signal circuits. These switch the signal transmitters on and off and, if necessary, monitor the correct functioning of the signal transmitters via the current flow. Although these basic functions are almost always the same, light signals differ in their specific properties. These include in particular
  • a glow limit when switched off, as this affects the positioning distance between the signal head and the signal circuit,
  • the type of supply voltage, in particular AC voltage, DC voltage or modulated DC voltage,
  • the level of the supply voltage,
  • the power consumption of the signal generator,
  • Luminous intensity window for day and night operation as well
  • Monitoring windows for current and/or voltage and/or light intensity for error detection.

Diese unterschiedlichen Eigenschaften der Lichtsignale erfordern, dass Signalgeber und Lichtsignalschaltung genau aufeinander abgestimmt sind. Diese Abstimmung erfolgt bei Signalgebern mit Glühlampen derart, dass die Lichtsignalschaltungen speziell für die Verwendung bestimmter Glühlampen dimensioniert wurden. Die Randbedingungen für die Dimensionierung sind jedoch sehr unterschiedlich, da keine normativen Vorgaben bestehen. Als Resultat gibt es kaum zwei identische Lichtsignalschaltungen, auch nicht von demselben Hersteller. Die so entstandene Vielfalt von Lichtsignalschaltungen führt, insbesondere bei Austausch der Glühlampen durch LED-Lichtquellen, zu sehr unterschiedlichen Anforderungen an die LED-Signalgeber.These different properties of the light signals require that the signal transmitter and light signal circuit are precisely matched to one another. This coordination takes place at signal generators with incandescent lamps in such a way that the light signal circuits have been specially dimensioned for the use of certain incandescent lamps. However, the boundary conditions for the dimensioning are very different, since there are no normative specifications. As a result, there are hardly any two identical light signal circuits, even from the same manufacturer. The resulting variety of light signal circuits leads to very different requirements for the LED signal heads, especially when replacing the incandescent lamps with LED light sources.

Zur einfacheren Kennlinienanpassung ist aus der EP 2 124 507 A2 eine mittels programmierbarer Logik ansteuerbare Schaltung mit einem Widerstandsnetzwerk bekannt.For easier adjustment of the characteristic curve, from the EP 2 124 507 A2 a circuit with a resistance network which can be controlled by means of programmable logic is known.

Bei Signalgebern mit Glühlampen lassen sich gleichartige Signalgeber einfach für unterschiedliche Farben durch Verwendung unterschiedlicher Farbfilter konfigurieren. Unterschiedliche Signalfarben bei LED-Signalgebern benötigen eine Bestückung mit unterschiedlichen LEDs. Die LEDs lassen sich aber nicht so einfach tauschen wie Farbfilter. Letztlich steigt die Anzahl unterschiedlicher Signalgebervarianten mit der Anzahl unterschiedlicher Signalschaltungen und Farbanforderungen. Nachteilig ist vor allem, dass jede Signalgebervariante nur in einer geringen Stückzahl produziert werden kann, wodurch die Produktionskosten erheblich steigen.In the case of signal heads with incandescent lamps, similar signal heads can be easily configured for different colors by using different color filters. Different signal colors for LED signal heads require equipment with different LEDs. However, the LEDs cannot be exchanged as easily as color filters. Ultimately, the number of different signal head variants increases with the number of different signal circuits and color requirements. The main disadvantage is that each signaling device variant can only be produced in small quantities, which means that the production costs rise considerably.

Der Erfindung liegt die Aufgabe zugrunde, ein Lichtsignal mit einem LED-Signalgeber anzugeben, welches eine universelle Anwendbarkeit des LED-Signalgebers für verschiedenste Anforderungen an die Eigenschaften des Lichtsignals ermöglicht.The invention is based on the object of specifying a light signal with an LED signal transmitter which enables the LED signal transmitter to be used universally for a wide variety of requirements for the properties of the light signal.

Erfindungsgemäß wird die Aufgabe dadurch gelöst, dass der LED-Signalgeber ein Programmierinterface zur Vorgabe von Parametern für den LED-Signalgeber und zur ständigen und bedarfsgemäßen Programmierung aufweist, wobei sich die Parameter auf LED-Ansteuerung und/oderAccording to the invention, the object is achieved in that the LED signal transmitter has a programming interface for specifying parameters for the LED signal transmitter and for constant and needs-based programming, with the parameters on LED control and / or

Betriebsspannungswahl und/oder Kennlinienanpassung und/oder Überwachung beziehen.Operating voltage selection and/or characteristic adjustment and/or monitoring.

Zusätzlich zur allgemeinen Funktion des LED-Signalgebers dient die Programmierfunktion dazu, relevante Parameter des LED-Signalgebers vorzugeben. Diese Parameterprogrammierung kann so ausgelegt sein, dass die Programmierung einmalig vor dem Einbau des Signalgebers durchgeführt wird, wobei das Programmierinterface nicht Bestandteil des LED-Signalgebers sein muss und somit für die Programmierung mehrerer LED-Signalgeber zur Verfügung steht. Besonders komfortabel ist jedoch die erfindungsgemäße Ausstattung des LED-Signalgebers mit einem Programmierinterface, mit dem die Programmierung ständig und bedarfsgemäß, beispielsweise bei Wartungs- oder Reparaturarbeiten, erfolgen kann. Das Programmierinterface ermöglicht einen universellen Einsatz des LED-Signalgebers im Zusammenwirken mit jeder beliebigen Signalschaltung.In addition to the general function of the LED signal head, the programming function is used to specify relevant parameters of the LED signal head. This parameter programming can be designed in such a way that the programming is carried out once before the installation of the signal generator, whereby the programming interface does not have to be part of the LED signal generator and is therefore available for programming several LED signal generators. However, it is particularly convenient to equip the LED signal transmitter according to the invention with a programming interface with which programming can take place constantly and as required, for example during maintenance or repair work. The programming interface enables universal use of the LED signal generator in conjunction with any signal circuit.

Erfindungsgemäß ist zusätzlich zum Programmierinterface ein Prüfinterface zum Auslesen von Parametern des LED-Signalgebers vorgesehen. Das Prüfinterface kann zur Überprüfung der wichtigsten oder aller programmierten Parameter sowie auch zusätzlicher Parameter des LED-Signalgebers, insbesondere am Abschluss des Herstellungsprozesses, dienen. Vorzugsweise werden relevante Parameter, die zur Überwachung der fehlerfreien Funktion des LED-Signalgebers geeignet sind, kontinuierlich ausgelesen und ausgewertet.According to the invention, a test interface for reading out parameters of the LED signal generator is provided in addition to the programming interface. The test interface can be used to check the most important or all programmed parameters as well as additional parameters of the LED signaling device, especially at the end of the manufacturing process. Relevant parameters that are suitable for monitoring the error-free function of the LED signal transmitter are preferably continuously read out and evaluated.

Im Einzelnen umfassen die Parameter bezüglich der LED-Ansteuerung gemäß Anspruch 2 eine Farbauswahl, die beispielsweise durch eine Farbmischung mittels Ansteuerung unterschiedlicher LEDs erfolgt. Dabei bestimmt die Programmierfunktion vorzugsweise nicht nur die einzelnen Farborte für den LED-Signalgeber, sondern auch die Farbauswahl für jeden konkreten Signalisierungsfall.In detail, the parameters relating to the LED control according to claim 2 include a color selection, which takes place, for example, by mixing colors by controlling different LEDs. In this case, the programming function preferably not only determines the individual color locations for the LED signal transmitter, but also the color selection for each specific signaling case.

Der Parameter bezüglich der Betriebsspannungswahl betrifft gemäß Anspruch 3 eine Betriebsspannungshöhe bei Wechselspannung und/oder Gleichspannung und/oder pulsierender Gleichspannung. Auf diese Weise können LED-Signalgeber, die mit unterschiedlichen Betriebsspannungen angesteuert werden können, auf einfache Weise an die jeweiligen Randbedingungen angepasst werden.According to claim 3, the parameter relating to the selection of the operating voltage relates to an operating voltage level in the case of alternating voltage and/or direct voltage and/or pulsating direct voltage. In this way, LED signal heads, which can be controlled with different operating voltages, easily adapted to the respective boundary conditions.

Gemäß Anspruch 4 ist vorgesehen, dass die Parameter bezüglich der Kennlinienanpassung eine arbeitspunktabhängige Stromaufnahme des LED-Signalgebers umfasst. Bei der Kennlinienanpassung werden weitere Strompfade zugeschaltet oder gesperrt, um die Gesamtstromaufnahme des LED-Signalgebers zu erhöhen oder zu verringern. Die Stromaufnahme entsprechend der freien oder gesperrten bypassartigen Strompfade wiederum bestimmt die Lage des Arbeitspunktes und somit die Kennlinie, nämlich die spannungsabhängige Lichtstärke.According to claim 4 it is provided that the parameters relating to the characteristic curve adjustment include an operating point-dependent power consumption of the LED signal generator. When adapting the characteristic curve, further current paths are switched on or off in order to increase or reduce the total current consumption of the LED signal head. The current consumption according to the free or blocked bypass-type current paths in turn determines the position of the operating point and thus the characteristic, namely the voltage-dependent luminous intensity.

Bezüglich der Überwachung sind gemäß Anspruch 5 als Parameter eine anliegende Spannung und/oder eine Stromaufnahme und/oder eine Lichtstärke zu messen. Die gemessenen Größen werden hinsichtlich folgender Zustände ausgewertet:

  • ausgeschaltet,
  • Nachtbetrieb,
  • Tagbetrieb,
  • Fehlerzustand hinsichtlich Lichtstärke,
  • Fehlerzustand hinsichtlich Stromaufnahme,
  • undefinierter Zustand und
  • Überspannung.
With regard to the monitoring, according to claim 5, an applied voltage and/or a current consumption and/or a light intensity are to be measured as parameters. The measured variables are evaluated with regard to the following states:
  • switched off,
  • night operation,
  • daytime operation,
  • error condition regarding light intensity,
  • Error status regarding power consumption,
  • undefined state and
  • Overload.

Bei Fehlerzustand, undefinierter Zustand und Überspannung muss die Programmierung gemäß Anspruch 6 eine Routine zur Gewährleistung eines signaltechnisch sicheren Betriebszustandes sicherstellen. Beispielsweise kann es sinnvoll sein, bei einem Signal, dessen grüner Lichtpunkt Fahrt bedeutet, die Lichtstärke dieses Lichtpunktes bei erkanntem Fehlerzustand auszuschalten. Andererseits kann es sinnvoll sein, bei einem Signal, dessen roter Lichtpunkt Halt bedeutet, die Lichtstärke dieses Lichtpunktes bei einem erkannten Fehlerzustand zum Beispiel mit Taglichtstärke einzuschalten. Wie der Signalgeber sich im Fehlerzustand bei einem konkreten Anwendungsfall verhalten soll, ist eine zu programmierende Eigenschaft.In the event of an error condition, undefined condition and overvoltage, the programming according to claim 6 must ensure a routine to ensure a safe operating condition in terms of signaling technology. For example, it can make sense to switch off the light intensity of this light point when a fault condition is detected in the case of a signal whose green point of light means driving. On the other hand, it can make sense to switch on the light intensity of this light spot with a signal whose red point of light means stop when a fault condition is detected, for example with daylight intensity. How the signaling device should behave in the error state in a specific application is a property that has to be programmed.

Gemäß Anspruch 7 wirkt das Programmierinterface mit einer Funktionsgruppe zur Parametervorgabe zusammen. Diese Funktionsgruppe stellt sicher, dass die programmierten Parameter jeweils an die für die Einstellung des Parameters zuständige Baugruppe weitergegeben werden. Die Weitergabe der einzelnen Parameter von dem Programmierinterface an die zuständige Baugruppe ist aber auch auf direktem Wege, beispielsweise durch Vergabe von Empfängeradressen möglich.According to claim 7, the programming interface interacts with a function group for setting parameters. This function group ensures that the programmed parameters are forwarded to the module responsible for setting the parameters. However, the individual parameters can also be passed on directly from the programming interface to the responsible module, for example by assigning recipient addresses.

Auch das Prüfinterface kann gemäß Anspruch 8 über eine Funktionsgruppe, nämlich zur Parameterprüfung, mit den Baugruppen, deren Parameter ausgelesen werden sollen oder aber mit diesen Baugruppen, insbesondere durch Nutzung einer Adressierung, direkt verbunden seinAccording to claim 8, the test interface can also be connected via a functional group, namely for parameter testing, to the assemblies whose parameters are to be read out or directly to these assemblies, in particular by using addressing

Vorzugsweise besteht zwischen dem Programmierinterface und/oder dem Prüfinterface und einer Zentrale gemäß Anspruch 9 eine drahtlose Kommunikationsverbindung. Um Manipulationen auszuschließen, ist eine Verschlüsselung sowie eine geeignete Adressierung dieser drahtlosen Kommunikationsfunksignale zu empfehlen. Möglich ist aber auch eine Kabelverbindung, zum Beispiel über ein Bussystem, zwischen dem Lichtsignal und der Zentrale.There is preferably a wireless communication link between the programming interface and/or the test interface and a control center. Encryption and suitable addressing of these wireless communication radio signals are recommended to rule out manipulation. However, a cable connection is also possible, for example via a bus system, between the light signal and the control center.

Nachfolgend wird die Erfindung anhand figürlicher Darstellungen näher erläutert. Es zeigen:

Figur 1
zu programmierende und zu überwachende Kennlinienabschnitte für einen LED-Signalgeber,
Figur 2
einen Informationsfluss für die Programmierung und
Figur 3
einen Informationsfluss für die Überwachung.
The invention is explained in more detail below with reference to figurative representations. Show it:
figure 1
characteristic curve sections to be programmed and monitored for an LED signal head,
figure 2
an information flow for programming and
figure 3
an information flow for monitoring.

Figur 1 veranschaulicht den Zusammenhang zwischen Lichtstärke und Spannung sowie zwischen Strom und Spannung für einen LED-Signalgeber. Es ist ersichtlich, dass bestimmte Lichtstärkebeziehungsweise Stromfenster für Nachtbetrieb LvNacht_u ... LvNacht_0 beziehungsweise INacht_u ... INacht_o sowie für den Tagbetrieb LvTag_u ... LVTag_0 beziehungsweise ITag_u ... ITag_o durch zugeordnete Spannungsbereiche UNacht_u ··· UNacht_o und UTag_u ... UTag_o einzustellen sind, um die für den Nachtbetrieb und für den Tagbetrieb erforderliche Lichtstärke sicherzustellen. Die konkreten Arbeitspunkte für die einzelnen Kennlinienbereiche ergeben sich dabei wie folgt:

  • Ausgeschalteter Zustand: Lichtstärke "aus" bei O I Nacht _ u / O U Nacht _ u
    Figure imgb0001
  • Nachbetrieb : Lichtstärke "Nacht" bei I Nacht _ u I Nacht _ o / U Nacht _ u U Nacht _ o
    Figure imgb0002
  • Tagbetrieb: Lichtstärke "Tag" bei I Tag _ u I Tag _ o / U Tag _ u U Tag _ o
    Figure imgb0003
  • Fehlerzustand hinsichtlich Lichtstärke bei I Nacht _ u I Nacht _ o / Lv ist < Lv Nacht _ u Lv ist > v Nacht _ o
    Figure imgb0004
    oder U Tag _ u U Tag _ o / Lv ist < Lv Tag _ u Lv ist > Lv Tag _ o
    Figure imgb0005
    oder
figure 1 illustrates the relationship between luminous intensity and voltage and between current and voltage for an LED signal head. It can be seen that certain luminous intensity, respectively Current window for nighttime operation Lv Nacht_u ... Lv Nacht_0 or I Nacht_u ... I Nacht_o and for daytime operation Lv Tag_u ... LV Tag_0 or I Tag_u ... I Tag_o by assigned voltage ranges U Nacht_u ··· U Nacht_o and U Tag_u ... U Day_o must be set in order to ensure the light intensity required for night-time and day-time operation. The specific operating points for the individual characteristic curve ranges are as follows:
  • Switched off state: light intensity "off" at O ... I Night _ and / O ... u Night _ and
    Figure imgb0001
  • Night time : Light intensity "Night" at I Night _ and ... I Night _ O / u Night _ and ... u Night _ O
    Figure imgb0002
  • Day mode: light intensity "Day" at I Day _ and ... I Day _ O / u Day _ and ... u Day _ O
    Figure imgb0003
  • Luminous intensity error condition I Night _ and ... I Night _ O / lv is < lv Night _ and lv is > v Night _ O
    Figure imgb0004
    or u Day _ and ... u Day _ O / lv is < lv Day _ and lv is > lv Day _ O
    Figure imgb0005
    or

Programmierung: Strom < INacht_u oder Strom > ITag_o

  • Fehlerzustand hinsichtlich des Stromes bei U Nacht _ u U Nacht _ o / I ist < I Nacht _ u I ist > I Nacht _ o
    Figure imgb0006
    oder Lv Nacht _ u Lv Nacht _ o / I ist > I Nacht _ o
    Figure imgb0007
Programming: current < I night_u or current > I day_o
  • Error condition regarding the current at u Night _ and ... u Night _ O / I is < I Night _ and I is > I Night _ O
    Figure imgb0006
    or lv Night _ and ... lv Night _ O / I is > I Night _ O
    Figure imgb0007

Programmierung: Lichtstärke "us" oder "Nacht" oder "ag"

  • Undefinierter Bereich bei
    • UNacht_o ... UTag_u oder/und
    • Iacht_o ... ITag_u oder/und
    • LvNacht_o ··· LvTag_u
Programming: light intensity "us" or "night" or "ag"
  • Undefined area at
    • U night_o ... U day_u or/and
    • I eight_o ... I day_u or/and
    • Lv night_o ··· Lv day_u

Programmierung:

  • Strom < INacht_u oder Strom > ITag_o und/oder
  • Lichtstärke "aus" oder "Nacht" oder "Tag"
    • Überspannung bei U > UTag_o
Programming:
  • current < I night_u or current > I day_o and/or
  • Light intensity "off" or "night" or "day"
    • Overvoltage at U > U Tag_o

Programmierung:

  • Strom < INacht_u oder Strom > ITag_o und/oder
  • Lichtstärke "aus" oder "Nacht" oder "Tag"
Programming:
  • current < I night_u or current > I day_o and/or
  • Light intensity "off" or "night" or "day"

Je nach Anforderung an den konkreten LED-Signalgeber müssen unter Umständen nicht alle Arbeitspunktbereiche programmiert und überwacht werden. Beispielsweise entfällt die Vorgabe für Nachtbetrieb, wenn der LED-Signalgeber nur die Betriebszustände Tagbetrieb und Ausschaltung benötigt.Depending on the requirements of the specific LED signal head, not all operating point ranges may have to be programmed and monitored. For example, the specification for night-time operation does not apply if the LED signal head only requires the operating states day operation and switch-off.

Die Figuren 2 und 3 veranschaulichen schematisch die wichtigsten Baugruppen und Funktionsgruppen eines LED-Signalgebers 1. Peripher ist der LED-Signalgeber 1 mit einem Programmierinterface 2, einem Prüfinterface 3 und Versorgungsanschlüssen 4 verbunden. Interne Baugruppen sind eine LED-Ansteuerung 5, eine Betriebsspannungswahl 6, eine Kennlinienanpassung 7 und eine Überwachung 8 sowie Funktionsgruppen zur Parametervorgabe 9 und zur Parameterprüfung 10.the Figures 2 and 3 illustrate schematically the most important assemblies and functional groups of an LED signal generator 1. The LED signal generator 1 is peripherally connected to a programming interface 2, a test interface 3 and supply connections 4. Internal modules are LED control 5, operating voltage selection 6, characteristic curve adjustment 7 and monitoring 8 as well as function groups for parameter specification 9 and parameter checking 10.

Figur 2 zeigt die Funktionsweise der Programmierung über das Programmierinterface 2 für konkrete Anforderungen an den LED-Signalgeber 1. Es ist ersichtlich, dass die Parameter für die LED-Ansteuerung 5, beispielsweise die Farbauswahl, die Betriebsspannungswahl 6, beispielsweise Gleichstrom oder Wechselstrom und Spannungshöhe, die Kennlinienanpassung 7 und die Überwachung 8 von dem Programmierinterface 2 über die Parametervorgabe 9 an die entsprechenden Baugruppen verteilt werden. Die Funktionsgruppe Parametervorgabe 9 stellt sicher, dass die richtigen Parameter an die dafür zuständigen Baugruppen übergeben werden. Die Parametervorgabe 9 kann entfallen, wenn das Programmierinterface die einzelnen Parameter adressengesteuert direkt übergibt. figure 2 shows how programming works via the programming interface 2 for specific requirements on the LED signal generator 1. It can be seen that the parameters for the LED control 5, for example the color selection, the operating voltage selection 6, for example direct current or alternating current and voltage level, the characteristic curve adjustment 7 and the monitoring 8 are distributed from the programming interface 2 via the parameter specification 9 to the appropriate assemblies. The parameter specification 9 function group ensures that the correct parameters are transferred to the responsible modules. The parameter specification 9 can be omitted, if the programming interface directly transfers the individual parameters address-controlled.

Figur 3 zeigt den Informationsfluss quasi in umgekehrter Richtung für Prüfzwecke. Dazu werden die tatsächlichen Ist-Parameter von dem Prüfinterface 3 analog zum Programmierinterface 2 entweder über Adressen direkt oder über die Funktionsgruppe Parameterprüfung 10 ausgelesen. Auf diese Weise lässt sich feststellen, ob die Programmierung korrekt war und ob während des Betriebes Fehlerzustände verschiedenster Art auftreten. figure 3 shows the flow of information in the opposite direction for testing purposes. For this purpose, the actual actual parameters are read out by the test interface 3 analogously to the programming interface 2 either via addresses directly or via the parameter test function group 10 . In this way, it can be determined whether the programming was correct and whether various types of errors occurred during operation.

Sind die Versorgungsanschlüsse 4 für die Signalgeberansteuerung vorgesehen, erfolgt die Prüfung nur unmittelbar nach der Programmierung oder im Rahmen einer Inspektion. Die sichere Funktion stellt der Signalgeber 1 durch seine Architektur selbst her.If the supply connections 4 are intended for the signal generator control, the test is only carried out immediately after programming or as part of an inspection. The signal transmitter 1 produces the safe function itself through its architecture.

Bei Signalgebern 1, die nicht über die Versorgungsanschlüsse 4 angesteuert werden, lassen sich die Parameter kontinuierlich überwachen. Außerdem lassen sich diverse weitere Informationen, zum Beispiel die Ist-Lichtstärke kontinuierlich oder bedarfsweise auslesen. Diese umfassendere Nutzung des Prüfinterfaces 3 ermöglicht eine einfachere Architektur des LED-Signalgebers 1, da Überwachungsfunktionen, zum Beispiel für die Lichtstärke, extern, beispielsweise von einem Stellteil in einer Zentrale übernommen werden können.In the case of signal transmitters 1 that are not controlled via the supply connections 4, the parameters can be continuously monitored. In addition, various other information, for example the actual light intensity, can be read out continuously or as required. This more comprehensive use of the test interface 3 enables a simpler architecture of the LED signal generator 1, since monitoring functions, for example for the light intensity, can be taken over externally, for example by an actuator in a control center.

Claims (9)

  1. Light signal, in particular for railway safety installations, having an LED signal transmitter (1), wherein the LED signal transmitter (1) has a programming interface (2) for specifying parameters for the LED signal transmitter (1) and for continual and on demand programming, wherein the parameters relate to LED control (5) and/or operating voltage selection (6) and/or characteristic adjustment (7) and/or monitoring (8), characterised in that a test interface (3) is provided for reading out the parameters of the LED signal transmitter (1).
  2. Light signal according to claim 1,
    characterised in that
    with respect to the LED control (5) the parameters comprise a choice of colours.
  3. Light signal according to one of the preceding claims, characterised in that
    with respect to the operating voltage selection (6) the parameters comprise a level of operating voltage in the case of an alternating voltage and/or direct voltage and/or pulsating direct voltage.
  4. Light signal according to one of the preceding claims, characterised in that
    with respect to the characteristic adjustment (7) the parameters comprise a working point-dependent current drain of the LED signal transmitter (1).
  5. Light signal according to one of the preceding claims, characterised in that
    with respect to the monitoring (8) the parameters comprise an applied voltage and/or a current drain and/or a light intensity.
  6. Light signal according to claim 5,
    characterised in that
    in case of failure the monitoring (8) introduces a predetermined routine to ensure a safe operating state in terms of signalling.
  7. Light signal according to one of the preceding claims, characterised in that
    the programming interface (2) interacts with a functional group for specifying parameters (9).
  8. Light signal according to one of claims 1 to 7, characterised in that
    the test interface (3) interacts with a functional group for parameter verification (10).
  9. Light signal according to one of the preceding claims, characterised in that
    the programming interface (2) and/or the test interface (3) is/are connected with a control centre by way of a wireless communication radio interface.
EP13745016.9A 2012-08-03 2013-07-25 Light signal Active EP2858874B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012213774.2A DE102012213774A1 (en) 2012-08-03 2012-08-03 light signal
PCT/EP2013/065680 WO2014019924A2 (en) 2012-08-03 2013-07-25 Light signal

Publications (2)

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EP2858874A2 EP2858874A2 (en) 2015-04-15
EP2858874B1 true EP2858874B1 (en) 2022-08-24

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EP (1) EP2858874B1 (en)
DE (1) DE102012213774A1 (en)
WO (1) WO2014019924A2 (en)

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Publication number Priority date Publication date Assignee Title
DE102012106630A1 (en) 2012-07-20 2014-01-23 Pintsch Bamag Antriebs- Und Verkehrstechnik Gmbh LED track signal for rail traffic and interface for such a LED track signal
JP6493556B2 (en) 2015-11-24 2019-04-03 日本電気株式会社 Flow control apparatus, flow control method, and program

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US7270442B2 (en) * 2004-09-30 2007-09-18 General Electric Company System and method for monitoring status of a visual signal device
DE102008025187A1 (en) * 2008-05-23 2009-12-03 Siemens Aktiengesellschaft Signal transmitter for a LED light signal
DE102008027632A1 (en) * 2008-06-05 2009-12-17 Siemens Aktiengesellschaft signaler
DE102008029725A1 (en) * 2008-06-23 2010-01-07 Siemens Aktiengesellschaft signaler
US20100258682A1 (en) * 2009-04-14 2010-10-14 Jeffrey Michael Fries System and method for interfacing wayside signal device with vehicle control system

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WO2014019924A3 (en) 2014-05-01
WO2014019924A2 (en) 2014-02-06
EP2858874A2 (en) 2015-04-15

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