EP2979955A3 - Led unit for light signal transmitter and light signal emitter with such a unit - Google Patents

Led unit for light signal transmitter and light signal emitter with such a unit Download PDF

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Publication number
EP2979955A3
EP2979955A3 EP15178964.1A EP15178964A EP2979955A3 EP 2979955 A3 EP2979955 A3 EP 2979955A3 EP 15178964 A EP15178964 A EP 15178964A EP 2979955 A3 EP2979955 A3 EP 2979955A3
Authority
EP
European Patent Office
Prior art keywords
pole
unit
switching
light signal
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.)
Granted
Application number
EP15178964.1A
Other languages
German (de)
French (fr)
Other versions
EP2979955B1 (en
EP2979955A2 (en
Inventor
Helmut Ulmer
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.)
Pintsch Bamag AG
Pintsch GmbH
Original Assignee
Pintsch Bamag AG
Pintsch Bamag Antriebs und Verkehrstechnik GmbH
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 Pintsch Bamag AG, Pintsch Bamag Antriebs und Verkehrstechnik GmbH filed Critical Pintsch Bamag AG
Publication of EP2979955A2 publication Critical patent/EP2979955A2/en
Publication of EP2979955A3 publication Critical patent/EP2979955A3/en
Application granted granted Critical
Publication of EP2979955B1 publication Critical patent/EP2979955B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L29/00—Safety means for rail/road crossing traffic
    • B61L29/24—Means for warning road traffic that a gate is closed or closing, or that rail traffic is approaching, e.g. for visible or audible warning
    • B61L29/28—Means for warning road traffic that a gate is closed or closing, or that rail traffic is approaching, e.g. for visible or audible warning electrically operated
    • 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
    • B61L5/1836—Daylight signals using light sources of different colours and separate optical systems
    • 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 trackmounted scotch-blocks
    • B61L7/06—Remote control of local operating means for points, signals, or trackmounted 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
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
    • G08B29/16—Security signalling or alarm systems, e.g. redundant systems
    • 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]
    • H05B45/30—Driver circuits
    • H05B45/32—Pulse-control circuits
    • H05B45/325—Pulse-width modulation [PWM]
    • 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]
    • H05B45/30—Driver circuits
    • H05B45/37—Converter circuits
    • H05B45/3725—Switched mode power supply [SMPS]
    • 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
    • H05B45/58—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits involving end of life detection of LEDs
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
    • G08B29/02—Monitoring continuously signalling or alarm systems
    • G08B29/10—Monitoring of the annunciator circuits

Abstract

LED-Einheit für Lichtsignalgeber, umfassend eine Leuchteinheit mit einem dreipoligen Anschluss, einem ersten Leuchtmittel (11) mit einem ersten LED-Strang, einem zweiten Leuchtmittel (12) mit beliebiger Anschlussrichtung und einem zweiten LED-Strang, einer ersten Schalteinrichtung (21) an einem ersten Pol (31) des dreipoligen Anschlusses, mit der der erste LED-Strang in Reihe zwischen den ersten Pol (31) und einen dritten Pol (33) des dreipoligen Anschlusses geschaltet ist, einer zweiten Schalteinrichtung (22) an einem zweiten Pol (32) des dreipoligen Anschlusses, mit der der zweite LED-Strang in Reihe zwischen den zweiten Pol (32) und den dritten Pol (33) geschaltet ist, einem Rückleiter zwischen dem dritten Pol und einem Stromquellenanschlusspol (4) einer Steuerung der ersten und zweiten Schalteinrichtungen (21, 22), welche eine erste Steuerfunktion zum alternierenden Einschalten der ersten und zweiten LED-Stränge mit den ersten und zweiten Schalteinrichtungen (21, 22) umfasst, und einer Messeinheit (51, 52, 61, 62, 71, 72, 81, 82) der Steuerung mit einer Funktion zur Detektion eines Ausfalls der Leuchteinheit, wobei ferner vorgesehen sind: eine dritte Schalteinrichtung (23) an dem Stromquellenanschlusspol (4), wobei das zweite Leuchtmittel (12) zwischen den dritten Pol und die dritte Schalteinrichtung (23) geschaltet ist, eine zweite Steuerfunktion der Steuerung zum nicht-alternierenden Anschluss des ersten Leuchtmittels (11) mit der ersten Schalteinrichtung (21) an den ersten Pol und Anschließen des zweiten Leuchtmittels (12) an den Stromquellenanschlusspol (4) mit der dritten Schalteinrichtung (23) bei Trennung mit der zweiten Schalteinrichtung (22) von dem zweiten Pol (32) und eine Umschaltfunktion der Steuerung zum Umschalten von der ersten auf die zweite Steuerfunktion bei Detektion des Ausfalls mit der Messeinheit.

Figure imgaf001
LED unit for light signal transmitter, comprising a light unit with a three-pole connection, a first light source (11) with a first LED strand, a second light source (12) with any direction of connection and a second LED strand, a first switching device (21) a first pole (31) of the three-pole terminal, with which the first LED string is connected in series between the first pole (31) and a third pole (33) of the three-pole terminal, a second switching device (22) at a second pole ( 32) of the three-pole terminal, with which the second LED string is connected in series between the second pole (32) and the third pole (33), a return conductor between the third pole and a current source terminal (4) of a control of the first and second Switching means (21, 22) comprising a first control function for alternately switching on the first and second LED strings with the first and second switching means (21, 22), un d of a measuring unit (51, 52, 61, 62, 71, 72, 81, 82) of the controller having a function of detecting a failure of the lighting unit, further comprising: third switching means (23) at the power source terminal pole (4), wherein the second lighting means (12) is connected between the third pole and the third switching means (23), a second control function of the controller for non-alternating connection of the first lighting means (11) to the first switching means (21) to the first pole and connection the second lighting means (12) to the power source terminal pole (4) with the third switching means (23) when disconnected with the second switching means (22) from the second pole (32) and a switching function of the control for switching from the first to the second control function Detection of the failure with the measuring unit.
Figure imgaf001
EP15178964.1A 2014-07-29 2015-07-29 Led unit for light signal transmitter and light signal emitter with such a unit Active EP2979955B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102014110700.4A DE102014110700A1 (en) 2014-07-29 2014-07-29 LED unit for light signal transmitter and light signal transmitter with such a unit

Publications (3)

Publication Number Publication Date
EP2979955A2 EP2979955A2 (en) 2016-02-03
EP2979955A3 true EP2979955A3 (en) 2016-02-10
EP2979955B1 EP2979955B1 (en) 2016-11-09

Family

ID=53761269

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15178964.1A Active EP2979955B1 (en) 2014-07-29 2015-07-29 Led unit for light signal transmitter and light signal emitter with such a unit

Country Status (2)

Country Link
EP (1) EP2979955B1 (en)
DE (1) DE102014110700A1 (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5909182A (en) * 1996-12-02 1999-06-01 Alstom Signaling Inc. Vandal resistant light signal unit
EP1992542A2 (en) * 2007-05-07 2008-11-19 Pintsch Bamag Antriebs- und Verkehrstechnik GmbH LED arrangement for light signal emitter, especially for rail transfers, light signal emitter especially for rail transfers with such an LED arrangement and method of operating the LED arrangement
DE102009028101A1 (en) * 2008-08-07 2010-02-18 Zizala Lichtsysteme Gmbh Function monitoring of an LED arrangement
EP2398126A1 (en) * 2010-06-16 2011-12-21 Siemens Schweiz AG Standby energy supply unit for signalling lamp
WO2014060288A1 (en) * 2012-10-15 2014-04-24 Continental Automotive Gmbh Method and apparatus for the diagnosis of a faulty light‑emitting means

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1045360B1 (en) 1999-04-14 2004-07-14 Scheidt & Bachmann Gmbh Process for operating a light sign arrangement
DE19947688A1 (en) 1999-09-24 2001-04-05 Siemens Ag LED light signal for traffic control can be operated instead of light signal without adapting light signal circuit

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5909182A (en) * 1996-12-02 1999-06-01 Alstom Signaling Inc. Vandal resistant light signal unit
EP1992542A2 (en) * 2007-05-07 2008-11-19 Pintsch Bamag Antriebs- und Verkehrstechnik GmbH LED arrangement for light signal emitter, especially for rail transfers, light signal emitter especially for rail transfers with such an LED arrangement and method of operating the LED arrangement
DE102009028101A1 (en) * 2008-08-07 2010-02-18 Zizala Lichtsysteme Gmbh Function monitoring of an LED arrangement
EP2398126A1 (en) * 2010-06-16 2011-12-21 Siemens Schweiz AG Standby energy supply unit for signalling lamp
WO2014060288A1 (en) * 2012-10-15 2014-04-24 Continental Automotive Gmbh Method and apparatus for the diagnosis of a faulty light‑emitting means

Also Published As

Publication number Publication date
EP2979955B1 (en) 2016-11-09
EP2979955A2 (en) 2016-02-03
DE102014110700A1 (en) 2016-02-04

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