WO2012126895A2 - Transmetteur de signaux à led et procédé pour le faire fonctionner - Google Patents

Transmetteur de signaux à led et procédé pour le faire fonctionner Download PDF

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Publication number
WO2012126895A2
WO2012126895A2 PCT/EP2012/054827 EP2012054827W WO2012126895A2 WO 2012126895 A2 WO2012126895 A2 WO 2012126895A2 EP 2012054827 W EP2012054827 W EP 2012054827W WO 2012126895 A2 WO2012126895 A2 WO 2012126895A2
Authority
WO
WIPO (PCT)
Prior art keywords
led signal
signal generator
control unit
wire line
led
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.)
Ceased
Application number
PCT/EP2012/054827
Other languages
German (de)
English (en)
Other versions
WO2012126895A3 (fr
Inventor
Rudolf Temming
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Siemens Corp
Original Assignee
Siemens AG
Siemens Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens AG, Siemens Corp filed Critical Siemens AG
Publication of WO2012126895A2 publication Critical patent/WO2012126895A2/fr
Publication of WO2012126895A3 publication Critical patent/WO2012126895A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • B61L5/1809—Daylight signals
    • B61L5/1881—Wiring diagrams for power supply, control or testing
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/50—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H05B47/175—Controlling the light source by remote control
    • H05B47/185—Controlling the light source by remote control via power line carrier transmission
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/20—Responsive to malfunctions or to light source life; for protection
    • H05B47/21—Responsive to malfunctions or to light source life; for protection of two or more light sources connected in parallel
    • H05B47/22—Responsive to malfunctions or to light source life; for protection of two or more light sources connected in parallel with communication between the lamps and a central unit
    • 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

  • LED signal transmitters and methods for operating such a LED have significant advantages over other light sources, such as incandescent lamps. This applies, for example, in terms of their energy consumption, their longevity and their light intensity. This has meant that LED signal encoders, ie signal transmitters using LEDs, are becoming increasingly popular for signaling systems or light signals, for example in the field of railway signaling technology or road traffic.
  • LED signal transmitters for use in the field of railway signaling technology are known, for example, from the company publication "LED Signaling Devices, Economic Operation through the Use of LEDs", Order No .: A19100-V100-B896-V1, Siemens AG 2010 the LED signal heads usual chate such compatible with classical systems with incandescent ⁇ lamps, that they can be used instead of such systems. in order in this case a low-effort as possible, thus enabling also inexpensive replacement, the LED signal heads generally have the same interface to the Signalstrom- circle of interlocking on how the classical optical syste ⁇ me.
  • the present invention has for its object to provide a particularly advantageous with regard to the operational use and at the same time at least compatible with existing systems LED signal generator.
  • a LED signal generator with a two-wire interface for connecting the LED signal generator to a control unit via a two-wire ⁇ line, the LED signal generator is designed to transmit a diagnostic message to the control unit by changing an electrical current flowing through the two-wire line.
  • the LED signaling device of the invention thus has a two- ⁇ wire interface by means of which the LED signal generator, is connectable via a two-wire line to a control unit, which may be for example a control computer of a signal box.
  • a control unit which may be for example a control computer of a signal box.
  • the LED signal generator is further formed such ⁇ that a diagnostic message to the control unit is transferable by changing the current flowing through the Zweidrahtlei ⁇ tion electrical current.
  • the electrical current flowing via the two-wire line which is usually already present, is changed in this case by the LED signal generator such that a conventional or valid region of the electrical current is left.
  • the control unit On the basis of the change in the electrical current flowing over the two-wire line, it is advantageously possible for the control unit to recognize the diagnostic message and thus deduce the condition of the LED signal generator.
  • the diagnostic message in this case refers to an early or preventive diagnosis ei ⁇ nes possible or imminent defect that a corresponding diagnostic message, for example, is issued when the light output of the LED signal generator is sufficient only for a limited time.
  • the control unit is thus enabled, for example, to initiate preventive maintenance or ei ⁇ nen preventive component replacement of the LED signal generator. This offers the advantage that on-demand maintenance is possible to the extent that failures of the
  • LED signal generator can be prevented without a purely precautionary, ie without actual need, a maintenance measure is required. It should be pointed out that diagnostic information or diagnostic data on which the diagnostic message is based can be detected both by the LED signal generator itself and by a component connected to the LED signal transmitter by communication technology. It is thus possible on the one hand that the LED signal generator itself acquires the diagnostic data and generates the diagnostic message based on this data. Depending on the respective requirements, the acquired data may be, for example, the number of switch-on operations of the LED signal generator or a measured variable detected by means of a sensor device, such as, for example, the light output of the LED signal transmitter.
  • the LED signaling device is further developed such that the LED signal is formed, the diagnostic message when turning on the LED signal generator, by varying the flie- via the two-wire line sequent electric current to the control unit to übertra ⁇ gene.
  • the LED signal transmitter according to the invention can preferably also be designed to transmit the diagnostic message to the control unit by temporarily changing the electrical current flowing via the two-wire line.
  • the fact that the transfer of the diagnostic message is from the LED signal to the control unit only temporarily, is advantageously ensures that Störun ⁇ be gen operation of the LED signal transmitter at least largely avoided.
  • the LED signal generator according to the invention can also be designed such that the LED signal generator is designed to change the electrical current flowing through the two-wire line for a predetermined time and / or a predetermined number of switch-on of the LED signal generator.
  • the electrical current flowing via the two-wire line can be changed, for example, until the next switch-on process or else during a certain number of switch-on operations.
  • the LED signal generator according to the invention may preferably also be formed, at least to change the current flowing via the two-wire line ⁇ electric current in accordance with a time-current pattern. This offers the advantage that using the time-stream pattern, ie a certain zeitli ⁇ chen the current path, a coding particularly clear and erroneous interpretations ⁇ reliably avoid the diagnostic message is possible.
  • the LED signal generator according to the invention can be designed to transmit different diagnostic messages to the control unit by means of different time-current patterns.
  • different time-current patterns corresponding to distinction code to transmit different types of diagnostic messages to the control unit and thus to transmit different types of disturbances or Diag ⁇ nose agon to the control unit.
  • the invention further comprises a set of signals with at least ⁇ an inventive LED signal heads or at least one LED-signal transmitter according to one of the preferred developments of the LED signal generator according to the invention described above.
  • the signaling system can serve any purpose and thus, for example, as a traffic signal for the road ⁇ .
  • a traffic light for the road ⁇ .
  • the signaling system can serve any purpose and thus, for example, as a traffic signal for the road ⁇ .
  • a traffic light for the road ⁇ .
  • a traffic light ie as a "traffic light
  • the signaling system is designed as a railway signal.
  • the invention further comprises an arrangement with at least one signal system of the aforementioned type, the two-wire line ⁇ and the control unit, wherein the control unit is designed as a component of a signal box.
  • the invention further relates to a method for
  • FIG. 1 shows a schematic sketch of an arrangement with an exemplary embodiment of the inventive LED signal generator.
  • an LED signal generator 10 can be seen, the electronics 20 comprises regulators 30 and 40.
  • an optic 50 with a light source 60 and a lens 70 is indicated.
  • the light source 60 by an LED (light emitting diode ⁇ ) and a plurality entspre ⁇ chender LEDs is formed.
  • the light emitted from the LED signal heads or the lens light is indicated with the reference sign ⁇ the eightieth
  • the LED signal generator 10 further has a two-wire interface 25, by means of which it is electrically connected via a two-wire line 100 to a control unit 200.
  • the LED signal 10 is by means of a two-wire cable on the flowing electric current I i from the control unit 200 is controlled, that is, in particular mono- relationship ⁇ as off.
  • the LED signal generator 10 is preferably completely supplied with the electrical current required for its operation via the two-wire line 100.
  • the current flowing through the electric lines between the electronics 20 and optics 50 of the LED signal generator 10, controlled by means of the regulator 40 ⁇ electric current is in the Figure designated I2.
  • the controller 40 for the electric current I2 of the light source 60 in particular allows switching on or off the light source 50.
  • the LED signal generator 10 is a signal generator for a railway signal and the control unit 200 is a component of a signal box. Consequently, the signal circuit of the LED signal generator 10 is formed by the two-wire line 100.
  • the LED signal generator 10 shown in the figure is characterized in that by means of the controller 30 by a Ver ⁇ change of the two-wire line 100 flowing electrical current Ii a diagnostic message to the control unit 200 is transferable. This can be done by the LED signal transmitter
  • the change in the electrical current Ii flowing via the two-wire line 100 takes place in the context of the exemplary embodiment described in that when the LED signal generator 10 is switched on, the value of the current changes
  • the current value is in this case only temporarily changed ⁇ changed, that is, for example, for a certain time, through a cyclical deviation from a desired current, ie, a time stream pattern, for a certain number of switch-on of the LED signal generator 10 and / or by a Transmission of a single deviation or a single current pattern or code.
  • the change in the electrical current I i is detected by the control unit 200 as a diagnostic message and example ⁇ example issued on a control monitor in the form of a corresponding warning. Due to the merely temporary change in the electrical current I i flowing via the two-wire line 100, it is still possible, despite possible restrictions, to make operational use of the LED signal generator 10.
  • the corresponding change in the electrical current I.sub.i flowing via the two-wire line 100 thus makes it possible to signal a fault or impending fault to the control unit 200 by means of the diagnostic message during operation of the LED signal generator 10.
  • ⁇ can, by different time-current patterns, each corresponding to a code, different diagnostic messages are transmitted to the control unit 200th
  • LED signal transmitter and the corresponding method have the advantage in particular ⁇ sondere that no or only minor changes .wei ⁇ se of the hardware and software of the control unit ⁇ 200 are required.
  • adjustments can be made.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Train Traffic Observation, Control, And Security (AREA)

Abstract

L'invention concerne un transmetteur de signaux à LED (10) comprenant une interface à deux fils (25) servant à relier le transmetteur de signaux à LED (10) à une unité de commande (200) par l'intermédiaire d'une ligne à deux fils (100). Selon l'invention, le transmetteur de signaux à LED (10) est conçu pour transmettre un message de diagnostic à l'unité de commande (200) par modification d'un courant électrique (I1) traversant ladite ligne à deux fils (100).
PCT/EP2012/054827 2011-03-23 2012-03-19 Transmetteur de signaux à led et procédé pour le faire fonctionner Ceased WO2012126895A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011005951.2 2011-03-23
DE102011005951A DE102011005951A1 (de) 2011-03-23 2011-03-23 LED-Signalgeber sowie Verfahren zum Betreiben eines solchen

Publications (2)

Publication Number Publication Date
WO2012126895A2 true WO2012126895A2 (fr) 2012-09-27
WO2012126895A3 WO2012126895A3 (fr) 2012-11-15

Family

ID=46044641

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2012/054827 Ceased WO2012126895A2 (fr) 2011-03-23 2012-03-19 Transmetteur de signaux à led et procédé pour le faire fonctionner

Country Status (2)

Country Link
DE (1) DE102011005951A1 (fr)
WO (1) WO2012126895A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11844159B2 (en) 2020-03-03 2023-12-12 Signify Holding B.V. Driver for driving a load, as well as a corresponding LED based lighting device and a corresponding method of operating the driver

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0910843B1 (fr) * 1996-07-12 2002-02-13 Mew, Jeanette Ameliorations apportees a un systeme de surveillance et de signalisation a distance et le concernant
US7135966B2 (en) * 2004-04-15 2006-11-14 Magnetek, S.P.A. Lighting installation with regulation of light emission devices
DE102004026468A1 (de) * 2004-05-29 2005-12-22 Daimlerchrysler Ag Datenübertragung auf Stromversorgungsleitungen

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11844159B2 (en) 2020-03-03 2023-12-12 Signify Holding B.V. Driver for driving a load, as well as a corresponding LED based lighting device and a corresponding method of operating the driver

Also Published As

Publication number Publication date
DE102011005951A1 (de) 2012-09-27
WO2012126895A3 (fr) 2012-11-15

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