EP1343359A3 - EOL-Erkennung mit integrierter Wendelabfrage - Google Patents

EOL-Erkennung mit integrierter Wendelabfrage Download PDF

Info

Publication number
EP1343359A3
EP1343359A3 EP03003547A EP03003547A EP1343359A3 EP 1343359 A3 EP1343359 A3 EP 1343359A3 EP 03003547 A EP03003547 A EP 03003547A EP 03003547 A EP03003547 A EP 03003547A EP 1343359 A3 EP1343359 A3 EP 1343359A3
Authority
EP
European Patent Office
Prior art keywords
eol
detection
integrated electrode
voltage
interrogation
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
EP03003547A
Other languages
English (en)
French (fr)
Other versions
EP1343359A2 (de
EP1343359B1 (de
Inventor
Martin Grabner
Markus Heckmann
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.)
Osram GmbH
Original Assignee
Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH
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 Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH filed Critical Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH
Publication of EP1343359A2 publication Critical patent/EP1343359A2/de
Publication of EP1343359A3 publication Critical patent/EP1343359A3/de
Application granted granted Critical
Publication of EP1343359B1 publication Critical patent/EP1343359B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14—Circuit arrangements
    • H05B41/26—Circuit arrangements in which the lamp is fed by power derived from DC by means of a converter, e.g. by high-voltage DC
    • H05B41/28—Circuit arrangements in which the lamp is fed by power derived from DC by means of a converter, e.g. by high-voltage DC using static converters
    • H05B41/295—Circuit arrangements in which the lamp is fed by power derived from DC by means of a converter, e.g. by high-voltage DC using static converters with semiconductor devices and specially adapted for lamps with preheating electrodes, e.g. for fluorescent lamps
    • H05B41/298—Arrangements for protecting lamps or circuits against abnormal operating conditions
    • H05B41/2981—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the circuit against abnormal operating conditions
    • H05B41/2985—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the circuit against abnormal operating conditions against abnormal lamp operating conditions

Landscapes

  • Circuit Arrangements For Discharge Lamps (AREA)
  • Polyesters Or Polycarbonates (AREA)

Abstract

Die Erfindung betrifft eine neue Betriebsschaltung für eine Niederdruckentladungslampe 1 mit einer EOL-Früherkennung über eine Messung der Gleichspannung zwischen den Elektroden 2, 3. Dabei kann durch Überprüfung einer jeweiligen Verbindung über die Elektrode 2, 3 zu einem jeweiligen Bezugspotential eine Elektrodenabfrage durchgeführt werden.
EP03003547A 2002-03-05 2003-02-17 EOL-Erkennung mit integrierter Wendelabfrage Expired - Lifetime EP1343359B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10209620 2002-03-05
DE10209620A DE10209620A1 (de) 2002-03-05 2002-03-05 EOL-Erkennung mit integrieter Wendelabfrage

Publications (3)

Publication Number Publication Date
EP1343359A2 EP1343359A2 (de) 2003-09-10
EP1343359A3 true EP1343359A3 (de) 2004-04-21
EP1343359B1 EP1343359B1 (de) 2011-06-01

Family

ID=27740640

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03003547A Expired - Lifetime EP1343359B1 (de) 2002-03-05 2003-02-17 EOL-Erkennung mit integrierter Wendelabfrage

Country Status (6)

Country Link
US (1) US6646390B2 (de)
EP (1) EP1343359B1 (de)
CN (1) CN1443030B (de)
AT (1) ATE511742T1 (de)
CA (1) CA2420816A1 (de)
DE (1) DE10209620A1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6854117B1 (en) * 2000-10-31 2005-02-08 Caspian Networks, Inc. Parallel network processor array
DE10209619A1 (de) * 2002-03-05 2003-09-25 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Betriebsschaltung für Entladungslampe mit EOL-Früherkennung
DE102009004852A1 (de) 2009-01-16 2010-07-29 Osram Gesellschaft mit beschränkter Haftung Detektorschaltung und Verfahren zur Ansteuerung einer Leuchtstofflampe
US8482213B1 (en) 2009-06-29 2013-07-09 Panasonic Corporation Electronic ballast with pulse detection circuit for lamp end of life and output short protection
DE102010029511B4 (de) 2010-05-31 2014-10-09 Osram Gmbh Schaltungsanordnung zum Betreiben einer Entladungslampe
US8947020B1 (en) 2011-11-17 2015-02-03 Universal Lighting Technologies, Inc. End of life control for parallel lamp ballast
DE102012207002A1 (de) * 2011-12-23 2013-06-27 Tridonic Gmbh & Co. Kg Verfahren, Betriebsgerät und Beleuchtungssystem
DE102021200762A1 (de) * 2021-01-28 2022-07-28 BSH Hausgeräte GmbH Mess-Vorrichtung zur differentiellen Spannungsmessung

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01166495A (ja) * 1987-12-23 1989-06-30 Matsushita Electric Works Ltd 放電灯点灯装置
EP0794691A2 (de) * 1996-03-06 1997-09-10 Denso Corporation Anordnung zum genauen Detektieren des Lebensdauerendes einer Entladungslampe
US5808422A (en) * 1996-05-10 1998-09-15 Philips Electronics North America Lamp ballast with lamp rectification detection circuitry
US6008592A (en) * 1998-06-10 1999-12-28 International Rectifier Corporation End of lamp life or false lamp detection circuit for an electronic ballast

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19819027A1 (de) * 1998-04-29 1999-11-04 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Schaltungsanordnung zum Betrieb mindestens einer Entladungslampe
DE19852350A1 (de) * 1998-11-13 2000-05-18 Hella Kg Hueck & Co Diagnosesystem für das Vorschaltgerät einer Hochdruckgasentladungslampe in einem Kraftfahrzeug

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01166495A (ja) * 1987-12-23 1989-06-30 Matsushita Electric Works Ltd 放電灯点灯装置
EP0794691A2 (de) * 1996-03-06 1997-09-10 Denso Corporation Anordnung zum genauen Detektieren des Lebensdauerendes einer Entladungslampe
US5808422A (en) * 1996-05-10 1998-09-15 Philips Electronics North America Lamp ballast with lamp rectification detection circuitry
US6008592A (en) * 1998-06-10 1999-12-28 International Rectifier Corporation End of lamp life or false lamp detection circuit for an electronic ballast

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 013, no. 437 (E - 826) 29 September 1989 (1989-09-29) *

Also Published As

Publication number Publication date
EP1343359A2 (de) 2003-09-10
EP1343359B1 (de) 2011-06-01
CN1443030A (zh) 2003-09-17
CN1443030B (zh) 2010-04-21
ATE511742T1 (de) 2011-06-15
CA2420816A1 (en) 2003-09-05
US6646390B2 (en) 2003-11-11
US20030168995A1 (en) 2003-09-11
DE10209620A1 (de) 2003-09-25

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