EP2858874A2 - Light signal - Google Patents

Light signal

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Publication number
EP2858874A2
EP2858874A2 EP13745016.9A EP13745016A EP2858874A2 EP 2858874 A2 EP2858874 A2 EP 2858874A2 EP 13745016 A EP13745016 A EP 13745016A EP 2858874 A2 EP2858874 A2 EP 2858874A2
Authority
EP
European Patent Office
Prior art keywords
light signal
signal according
led
parameters
voltage
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.)
Granted
Application number
EP13745016.9A
Other languages
German (de)
French (fr)
Other versions
EP2858874B1 (en
Inventor
Dirk Zimmermann
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 Mobility GmbH
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Publication of EP2858874A2 publication Critical patent/EP2858874A2/en
Application granted granted Critical
Publication of EP2858874B1 publication Critical patent/EP2858874B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L5/00—Local operating mechanisms for points or track-mounted scotch-blocks; Visible or audible signals; Local operating mechanisms for visible or audible signals
    • B61L5/12—Visible signals
    • B61L5/18—Light signals; Mechanisms associated therewith, e.g. blinders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L7/00—Remote control of local operating means for points, signals, or track-mounted scotch-blocks
    • B61L7/06—Remote control of local operating means for points, signals, or track-mounted scotch-blocks using electrical transmission
    • B61L7/08—Circuitry
    • B61L7/10—Circuitry for light signals, e.g. for supervision, back-signalling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L9/00—Illumination specially adapted for points, form signals, or gates
    • B61L9/04—Illumination specially adapted for points, form signals, or gates electric
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L2207/00—Features of light signals
    • B61L2207/02—Features 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 generator.
  • LED signalers are increasingly used for existing - and not only for new - railway safety systems. For this purpose, incandescent lamps of the existing system often have to be exchanged for LED signaling devices.
  • light signals are triggered by signal circuits. These switch the signal transmitters on and off and, if necessary, monitor the proper 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. This includes in particular
  • supply voltage in particular AC voltage, DC voltage or modulated DC voltage
  • level of the supply voltage in particular AC voltage, DC voltage or modulated DC voltage
  • Light signal circuits not even from the same manufacturer.
  • the resulting diversity of light signal circuits leads, especially when replacing the light bulbs by LED light sources, to very different demands on the LED signal generator.
  • the invention has for its object to provide a light signal with an LED signal generator, which allows universal applicability of the LED signal generator for a wide variety of requirements for the properties of the light signal.
  • the object is achieved in that a programming interface is provided for specifying parameters for the LED signal generator.
  • the programming function is used to specify relevant parameters of the LED signal transmitter.
  • This parameter programming can be designed so that the programming is performed once before the installation of the signal generator, wherein the programming interface is not part of the LED signal transmitter and thus is available for the programming of multiple LED signal heads.
  • it is particularly convenient to equip each LED signal generator with a programming interface since programming can be carried out almost 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.
  • a particularly advantageous embodiment is according to
  • Claim 2 in addition to the programming interface provided a test interface for reading out parameters of the LED signal generator.
  • the test interface can be used to check the most important or all programmed parameters as well as additional parameters of the LED signal generator, especially at the end of the manufacturing process.
  • relevant parameters that are suitable for monitoring the error-free operation of the LED signal generator are continuously read out and evaluated.
  • the parameters relate according to claim 3 preferably to LED control and / or operating voltage selection and / or characteristic adjustment and / or monitoring.
  • the parameter with respect to the LED drive according to claim 4 comprises a color selection, which takes place for example by a color mixing by means of driving different LEDs.
  • the programming function preferably determines not only the individual color loci for the LED signal generator, but also the color selection for each specific signaling case.
  • the parameter relating to the operating voltage selection relates according to claim 5 an operating voltage level at AC voltage and / or DC voltage and / or pulsating DC voltage.
  • LED signal transmitters which can be controlled with different operating voltages, be easily adapted to the respective boundary conditions.
  • the parameter with respect to the characteristic adjustment comprises an operating point-dependent current consumption of the LED signal generator.
  • additional current paths are switched on or off in order to increase or decrease the overall current consumption of the LED signal transmitter.
  • the current consumption corresponding to the free or blocked bypass-like current paths in turn determines the position of the operating point and thus the characteristic curve, namely the voltage-dependent light intensity.
  • the parameters to be measured are an applied voltage and / or a current consumption and / or a light intensity.
  • the measured quantities are evaluated with respect to the following states:
  • the programming according to claim 8 must ensure a routine for ensuring a signal-technically safe operating state. For example, it may make sense to use the signal for a signal whose green light point is driving
  • the programming interface interacts with a function group for parameter specification. This function group ensures that the programmed parameters are passed on to the module responsible for setting the parameter. However, the transfer of the individual parameters from the programming interface to the responsible module is also possible directly, for example by assigning recipient addresses.
  • test interface can also be directly connected to these modules, in particular by using an addressing, according to claim 10 via a function group, namely for parameter checking, with the modules whose parameters are to be read out
  • a communication link between the programming interface and / or the test interface and a center according to claim 11.
  • encryption and suitable addressing of these wireless communication radio signals is recommended.
  • a cable connection for example via a bus system, between the light signal and the control panel.
  • Figure 2 is an information flow for programming
  • FIG. 3 shows an information flow for monitoring.
  • Figure 1 illustrates the relationship between light intensity and voltage and between current and voltage for a LED signal generator. It can be seen that certain luminous intensity or current window for night operation
  • the default setting for night operation is omitted if the LED signal transmitter only requires the operating states daytime operation and shutdown.
  • FIGS. 2 and 3 schematically illustrate 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 terminals 4.
  • Internal components are an LED control 5, an operating voltage selection 6, a characteristic adjustment 7 and a monitoring 8 as well as function groups for parameter specification 9 and for parameter checking 10.
  • FIG. 2 shows the mode of operation of the programming via the programming interface 2 for specific requirements of 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 adaptation 7 and the monitoring 8 are distributed by the programming interface 2 via the parameter specification 9 to the corresponding modules.
  • the function group parameter specification 9 ensures that the correct parameters are transferred to the appropriate modules.
  • the parameter specification 9 can be omitted. len, if the programming interface transfers the individual parameters address-controlled directly.
  • FIG. 3 shows the information flow quasi in the opposite direction for testing purposes.
  • the actual actual parameters are read out from the test interface 3 analogously to the programming interface 2 either via addresses directly or via the function group parameter check 10. In this way it can be ascertained whether the programming was correct and whether fault conditions of various kinds occur during operation.
  • the safe function is the signal generator 1 by its architecture itself.
  • the parameters can be continuously monitored.
  • various other information for example, the actual light intensity can be read continuously or as needed.
  • This wider use of the educafaces 3 allows a simpler architecture of the LED signal generator 1, since monitoring functions, for example, the light intensity, externally, for example, from a Stell ⁇ part can be taken in a central office.

Landscapes

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

Abstract

The invention relates to a light signal, particularly for railway security systems, with an LED signal transmitter (1). In order to achieve universal applicability of the LED signal transmitter (1) for the most varied operating conditions, according to the invention, a program interface (2) is provided for pre-setting parameters for the LED signal transmitter (1).

Description

Beschreibung description
Lichtsignal 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 generator.
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 refers essentially to a railway light signal, without the invention being restricted to this particular 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 signalers are increasingly used for existing - and not only for new - railway safety systems. For this purpose, incandescent lamps of the existing system often have to be exchanged for LED signaling devices.
Prinzipiell werden Lichtsignale von Signalschaltungen ange- steuert. 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 In principle, light signals are triggered by signal circuits. These switch the signal transmitters on and off and, if necessary, monitor the proper 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. This includes in particular
- eine Glimmgrenze bei ausgeschaltetem Zustand, da diese die Stellentfernung zwischen dem Signalgeber und der Signalschaltung beeinflusst,  a glow limit when off, as this affects the distance between the signal generator and the signal circuit,
- die Art der Speisespannung, insbesondere Wechselspannung, Gleichspannung oder modulierte Gleichspannung, - die Höhe der Speisespannung,  the type of supply voltage, in particular AC voltage, DC voltage or modulated DC voltage, the level of the supply voltage,
- die Leistungsaufnahme des Signalgebers,  the power consumption of the signal generator,
- Lichtstärkefenster für Tag- und Nachtbetrieb sowie  - Luminous intensity window for day and night operation as well
- Überwachungsfenster bezüglich Strom und/oder Spannung und/oder Lichtstärke zur Fehlererkennung.  - Watch window 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 Signalge- bern 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 Vorga- ben bestehen. Als Resultat gibt es kaum zwei identische These different characteristics of the light signals require that the signal generator and the light signal circuit are precisely matched to one another. This vote will be made on signal bern with incandescent lamps in such a way that the light signal circuits were dimensioned specifically 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 two identical ones
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.  Light signal circuits, not even from the same manufacturer. The resulting diversity of light signal circuits leads, especially when replacing the light bulbs by LED light sources, to very different demands on the LED signal generator.
Bei Signalgebern mit lassen sich gleichartige Signalgeber einfach für unterschiedliche Farben durch Verwendung unterschiedlicher Farbfilter konfigurieren. Unterschiedliche Sig- nalfarben 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. For signalers with the same type of signal generator can be easily configured for different colors by using different color filters. Different signal colors for LED signal heads require a configuration with different LEDs. But the LEDs are not as easy to replace as color filters. Ultimately, the number of different signal generator variants increases with the number of different signal circuits and color requirements.
Nachteilig ist vor allem, dass jede Signalgebervariante nur in einer geringen Stückzahl produziert werden kann, wodurch die Produktionskosten erheblich steigen. The disadvantage is above all that each signal generator variant can be produced only in small numbers, whereby the production costs increase significantly.
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 has for its object to provide a light signal with an LED signal generator, which allows universal applicability of the LED signal generator for a wide variety of requirements for the properties of the light signal.
Erfindungsgemäß wird die Aufgabe dadurch gelöst, dass ein Programmierinterface zur Vorgabe von Parametern für den LED- Signalgeber vorgesehen ist. According to the invention the object is achieved in that a programming interface is provided for specifying parameters for the LED signal generator.
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 Ausstattung jedes LED-Signalgebers mit einem Programmierinterface, da dann die Programmierung quasi ständig und be- darfsgemäß, beispielsweise bei Wartungs- oder Reparaturarbeiten, erfolgen kann. Das Programmierinterface ermöglicht einen universellen Einsatz des LED-Signalgebers im Zusammenwirken mit jeder beliebigen Signalschaltung. In einer besonders vorteilhaften Ausführungsform ist gemäßIn addition to the general function of the LED signal generator, the programming function is used to specify relevant parameters of the LED signal transmitter. This parameter programming can be designed so that the programming is performed once before the installation of the signal generator, wherein the programming interface is not part of the LED signal transmitter and thus is available for the programming of multiple LED signal heads. However, it is particularly convenient to equip each LED signal generator with a programming interface, since programming can be carried out almost 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. In a particularly advantageous embodiment is according to
Anspruch 2 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 . Claim 2 in addition to the programming interface provided a test interface for reading out parameters of the LED signal generator. The test interface can be used to check the most important or all programmed parameters as well as additional parameters of the LED signal generator, especially at the end of the manufacturing process. Preferably, relevant parameters that are suitable for monitoring the error-free operation of the LED signal generator are continuously read out and evaluated.
Die Parameter beziehen sich gemäß Anspruch 3 vorzugsweise auf LED-Ansteuerung und/oder Betriebsspannungswahl und/oder Kennlinienanpassung und/oder Überwachung. Im Einzelnen umfasst der Parameter bezüglich der LED-Ansteuerung gemäß Anspruch 4 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-Signalge- ber, sondern auch die Farbauswahl für jeden konkreten Signa- lisierungsfall . The parameters relate according to claim 3 preferably to LED control and / or operating voltage selection and / or characteristic adjustment and / or monitoring. In detail, the parameter with respect to the LED drive according to claim 4 comprises a color selection, which takes place for example by a color mixing by means of driving different LEDs. The programming function preferably determines not only the individual color loci for the LED signal generator, but also the color selection for each specific signaling case.
Der Parameter bezüglich der Betriebsspannungswahl betrifft gemäß Anspruch 5 eine Betriebsspannungshöhe bei Wechselspan- nung 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 ange- passt werden. The parameter relating to the operating voltage selection relates according to claim 5 an operating voltage level at AC voltage and / or DC voltage and / or pulsating DC voltage. In this way, LED signal transmitters, which can be controlled with different operating voltages, be easily adapted to the respective boundary conditions.
Gemäß Anspruch 6 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 6 it is provided that the parameter with respect to the characteristic adjustment comprises an operating point-dependent current consumption of the LED signal generator. When adjusting the characteristic curve, additional current paths are switched on or off in order to increase or decrease the overall current consumption of the LED signal transmitter. The current consumption corresponding to the free or blocked bypass-like current paths in turn determines the position of the operating point and thus the characteristic curve, namely the voltage-dependent light intensity.
Bezüglich der Überwachung sind gemäß Anspruch 7 als Parameter eine anliegende Spannung und/oder eine Stromaufnahme und/oder eine Lichtstärke zu messen. Die gemessenen Größen werden hinsichtlich folgender Zustände ausgewertet: With regard to the monitoring, the parameters to be measured are an applied voltage and / or a current consumption and / or a light intensity. The measured quantities are evaluated with respect to the following states:
- ausgeschaltet,  - switched off,
- Nachtbetrieb,  - night operation,
- Tagbetrieb,  - daytime operation,
- Fehlerzustand hinsichtlich Lichtstärke,  - fault condition with regard to light intensity,
- Fehlerzustand hinsichtlich Stromaufnahme,  - fault condition regarding current consumption,
- Undefinierter Zustand und  - undefined state and
- Überspannung.  - Overload.
Bei Fehlerzustand, Undefinierter Zustand und Überspannung muss die Programmierung gemäß Anspruch 8 eine Routine zur Gewährleistung eines signaltechnisch sicheren Betriebszustandes sicherstellen. Beispielsweise kann es sinnvoll sein, bei ei- nem Signal, dessen grüner Lichtpunkt Fahrt bedeutet, dieIn the event of an error state, undefined state and overvoltage, the programming according to claim 8 must ensure a routine for ensuring a signal-technically safe operating state. For example, it may make sense to use the signal for a signal whose green light point is driving
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 . Gemäß Anspruch 9 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. Turn off the light intensity of this light spot when the fault condition is detected. On the other hand, it may be useful to turn on the light intensity of this light spot in a detected error condition, for example, with daylight intensity at a signal whose red light point means stop. How the signal generator should behave in the error state in a specific application is a property to be programmed. According to claim 9, the programming interface interacts with a function group for parameter specification. This function group ensures that the programmed parameters are passed on to the module responsible for setting the parameter. However, the transfer of the individual parameters from the programming interface to the responsible module is also possible directly, for example by assigning recipient addresses.
Auch das Prüfinterface kann gemäß Anspruch 10 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 sein The test interface can also be directly connected to these modules, in particular by using an addressing, according to claim 10 via a function group, namely for parameter checking, with the modules whose parameters are to be read out
Vorzugsweise besteht zwischen dem Programmierinterface und/oder dem Prüfinterface und einer Zentrale gemäß Anspruch 11 eine 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 . Preferably, there is a communication link between the programming interface and / or the test interface and a center according to claim 11. In order to prevent manipulation, encryption and suitable addressing of these wireless communication radio signals is recommended. But also possible is a cable connection, for example via a bus system, between the light signal and the control panel.
Nachfolgend wird die Erfindung anhand figürlicher Darstellungen näher erläutert. Es zeigen: The invention will be explained in more detail with reference to figurative representations. Show it:
Figur 1 zu programmierende und zu überwachende Kennlinienabschnitte für einen LED-Signalgeber, 1 to be programmed and monitored characteristic sections for a LED signal generator,
Figur 2 einen Informationsfluss für die Programmierung und Figure 2 is an information flow for programming and
Figur 3 einen Informationsfluss für die Überwachung. FIG. 3 shows 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 Lichtstärke- beziehungsweise Stromfenster für NachtbetriebFigure 1 illustrates the relationship between light intensity and voltage and between current and voltage for a LED signal generator. It can be seen that certain luminous intensity or current window for night operation
beziehungsweise sowie für den Tagbetrieb beziehungsweise durch zuge respectively as well as for the daytime operation or by
ordnete Spannungsbereiche und ordered voltage ranges and
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 to ensure the required level of light for nighttime and daytime operation. The concrete operating points for the individual characteristic curve ranges are as follows: · Switched off state: light intensity "off" at
• Nachbetrieb : Lichtstärke „Nacht" bei • After operation: "Night" light intensity at
Tagbetrieb: Lichtstärke „Tag" bei Daytime operation: Daylight at
• Fehlerzustand hinsichtlich Lichtstärke bei • Error condition regarding light intensity at
Programmierung: Strom < oder Strom > Programming: current <or current>
Fehlerzustand hinsichtlich des Stromes bei Error state with regard to the current at
Programmierung: Lichtstärke „aus" oder „Nacht" oder „Tag · Undefinierter Bereich bei Programmierung : Programming: Luminous intensity "off" or "night" or "day · Undefined range at Programming:
Strom < oder Strom > und/oder Electricity <or electricity> and / or
Lichtstärke „aus" oder „Nacht" oder „Tag"  Luminous intensity "off" or "night" or "day"
Überspannung bei U >Overvoltage at U>
Programmierung : Programming:
Strom < oder Strom > und/oder Electricity <or electricity> and / or
Lichtstärke „aus" oder „Nacht" oder „Tag"  Luminous 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 Betriebszu- stände Tagbetrieb und Ausschaltung benötigt. Depending on the requirements of the specific LED signal generator, not all operating point ranges may need to be programmed and monitored. For example, the default setting for night operation is omitted if the LED signal transmitter only requires the operating states daytime operation and shutdown.
Die Figuren 2 und 3 veranschaulichen schematisch die wichtigsten Baugruppen und Funktionsgruppen eines LED-Signalge- bers 1. Peripher ist der LED-Signalgeber 1 mit einem Programmierinterface 2, einem Prüfinterface 3 und Versorgungsan¬ schlüssen 4 verbunden. Interne Baugruppen sind eine LED-An- steuerung 5, eine Betriebsspannungswahl 6, eine Kennlinienanpassung 7 und eine Überwachung 8 sowie Funktionsgruppen zur Parametervorgabe 9 und zur Parameterprüfung 10. FIGS. 2 and 3 schematically illustrate 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 terminals 4. Internal components are an LED control 5, an operating voltage selection 6, a characteristic adjustment 7 and a monitoring 8 as well as function groups for parameter specification 9 and for 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 wer- den. Die Funktionsgruppe Parametervorgabe 9 stellt sicher, dass die richtigen Parameter an die dafür zuständigen Baugruppen übergeben werden. Die Parametervorgabe 9 kann entfal- len, wenn das Programmierinterface die einzelnen Parameter adressengesteuert direkt übergibt. FIG. 2 shows the mode of operation of the programming via the programming interface 2 for specific requirements of 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 adaptation 7 and the monitoring 8 are distributed by the programming interface 2 via the parameter specification 9 to the corresponding modules. The function group parameter specification 9 ensures that the correct parameters are transferred to the appropriate modules. The parameter specification 9 can be omitted. len, if the programming interface transfers the individual parameters address-controlled directly.
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 . FIG. 3 shows the information flow quasi in the opposite direction for testing purposes. For this purpose, the actual actual parameters are read out from the test interface 3 analogously to the programming interface 2 either via addresses directly or via the function group parameter check 10. In this way it can be ascertained whether the programming was correct and whether fault conditions of various kinds occur 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 signaling device control, the test is only carried out immediately after programming or during an inspection. The safe function is the signal generator 1 by its architecture itself.
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 Stell¬ teil in einer Zentrale übernommen werden können. In the case of signal transmitters 1, which 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 continuously or as needed. This wider use of the Prüfinterfaces 3 allows a simpler architecture of the LED signal generator 1, since monitoring functions, for example, the light intensity, externally, for example, from a Stell ¬ part can be taken in a central office.

Claims

Patentansprüche claims
1. Lichtsignal, insbesondere für Eisenbahnsicherungsanlagen, mit einem LED-Signalgeber (1), 1. Light signal, in particular for railway safety systems, with an LED signal transmitter (1),
d a d u r c h g e k e n n z e i c h n e t , dass d a d u r c h e c e n c i n e s that
ein Programmierinterface (2) zur Vorgabe von Parametern für den LED-Signalgeber (1) vorgesehen ist. a programming interface (2) is provided for presetting parameters for the LED signal generator (1).
2. Lichtsignal nach Anspruch 1, 2. Light signal according to claim 1,
d a d u r c h g e k e n n z e i c h n e t , dass d a d u r c h e c e n c i n e s that
ein Prüfinterface (3) zum Auslesen von Parametern des LED- Signalgebers (1) vorgesehen ist. a test interface (3) for reading out parameters of the LED signal generator (1) is provided.
3. Lichtsignal nach einem der vorangehenden Ansprüche, d a d u r c h g e k e n n z e i c h n e t , dass 3. A light signal according to one of the preceding claims, characterized in that a
Parameter bezüglich LED-Ansteuerung (5) und/oder Betriebsspannungswahl (6) und/oder Kennlinienanpassung (7) und/oder Überwachung (8) vorgesehen sind.  Parameters with respect to LED control (5) and / or operating voltage selection (6) and / or characteristic adjustment (7) and / or monitoring (8) are provided.
4. Lichtsignal nach Anspruch 3, 4. Light signal according to claim 3,
d a d u r c h g e k e n n z e i c h n e t , dass d a d u r c h e c e n c i n e s that
die Parameter bezüglich de LED-Ansteuerung (5) eine Farbauswahl umfassen. the parameters relating to the LED driver (5) comprise a color selection.
5. Lichtsignal nach Anspruch 3 oder 4, 5. Light signal according to claim 3 or 4,
d a d u r c h g e k e n n z e i c h n e t , dass d a d u r c h e c e n c i n e s that
die Parameter bezüglich der Betriebsspannungswahl (6) eine Betriebsspannungshöhe bei Wechselspannung und/oder Gleichspannung und/oder pulsierender Gleichspannung umfassen. the parameters relating to the operating voltage selection (6) include an operating voltage level at AC voltage and / or DC voltage and / or pulsating DC voltage.
6. Lichtsignal nach einem der Ansprüche 3 bis 5, 6. Light signal according to one of claims 3 to 5,
d a d u r c h g e k e n n z e i c h n e t , dass d a d u r c h e c e n c i n e s that
die Parameter bezüglich der Kennlinienanpassung (7) eine ar- beitspunktabhängige Stromaufnahme des LED-Signalgebers (1) umfassen. the parameters relating to the characteristic adaptation (7) comprise a working point-dependent current consumption of the LED signal generator (1).
7. Lichtsignal nach einem der Ansprüche 3 bis 6, 7. Light signal according to one of claims 3 to 6,
d a d u r c h g e k e n n z e i c h n e t , dass die Parameter bezüglich der Überwachung (8) eine anliegende Spannung und/oder eine Stromaufnahme und/oder eine Lichtstärke umfassen. characterized in that the parameters relating to the monitoring (8) comprise an applied voltage and / or a current consumption and / or a light intensity.
8. Lichtsignal nach Anspruch 7, 8. Light signal according to claim 7,
d a d u r c h g e k e n n z e i c h n e t , dass d a d u r c h e c e n c i n e s that
die Überwachung (8) im Fehlerfall eine vorgegebene Routine zur Gewährleistung eines signaltechnisch sicheren Betriebszustandes einleitet. the monitoring (8) initiates a predetermined routine in the event of a fault to ensure a signal-technically safe operating state.
9. Lichtsignal nach einem der vorangehenden Ansprüche, d a d u r c h g e k e n n z e i c h n e t , dass 9. A light signal according to one of the preceding claims, characterized in that a
das Programmierinterface (2) mit einer Funktionsgruppe zur Parametervorgabe (9) zusammenwirkt. the programming interface (2) interacts with a function group for parameter specification (9).
10. Lichtsignal nach einem der Ansprüche 2 bis 9, 10. Light signal according to one of claims 2 to 9,
d a d u r c h g e k e n n z e i c h n e t , dass d a d u r c h e c e n c i n e s that
das Prüfinterface (3) mit einer Funktionsgruppe zur Parameterprüfung (10) zusammenwirkt. the test interface (3) interacts with a function group for parameter checking (10).
11. Lichtsignal nach einem der vorangehenden Ansprüche, d a d u r c h g e k e n n z e i c h n e t , dass 11. A light signal according to one of the preceding claims, characterized in that a
das Programmierinterface (2) und/oder das Prüfinterface (3) über eine drahtlose Kommunikatonsfunkschnittstelle mit einer Zentrale verbunden ist/sind. the programming interface (2) and / or the test interface (3) is or are connected to a central unit via 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

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EP2858874B1 EP2858874B1 (en) 2022-08-24

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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
WO2017090535A1 (en) 2015-11-24 2017-06-01 日本電気株式会社 Flow control device, communication system, method for controlling flow, and recording medium

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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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