EP1343360A3 - Circuit pour alimenter une lampe à décharge muni d'une détection de fin de durée de vie - Google Patents

Circuit pour alimenter une lampe à décharge muni d'une détection de fin de durée de vie Download PDF

Info

Publication number
EP1343360A3
EP1343360A3 EP03003549A EP03003549A EP1343360A3 EP 1343360 A3 EP1343360 A3 EP 1343360A3 EP 03003549 A EP03003549 A EP 03003549A EP 03003549 A EP03003549 A EP 03003549A EP 1343360 A3 EP1343360 A3 EP 1343360A3
Authority
EP
European Patent Office
Prior art keywords
discharge lamp
recognition
circuit
operating
eol
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.)
Withdrawn
Application number
EP03003549A
Other languages
German (de)
English (en)
Other versions
EP1343360A2 (fr
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 EP1343360A2 publication Critical patent/EP1343360A2/fr
Publication of EP1343360A3 publication Critical patent/EP1343360A3/fr
Withdrawn legal-status Critical Current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)
EP03003549A 2002-03-05 2003-02-17 Circuit pour alimenter une lampe à décharge muni d'une détection de fin de durée de vie Withdrawn EP1343360A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10209619A DE10209619A1 (de) 2002-03-05 2002-03-05 Betriebsschaltung für Entladungslampe mit EOL-Früherkennung
DE10209619 2002-03-05

Publications (2)

Publication Number Publication Date
EP1343360A2 EP1343360A2 (fr) 2003-09-10
EP1343360A3 true EP1343360A3 (fr) 2011-03-09

Family

ID=27740639

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03003549A Withdrawn EP1343360A3 (fr) 2002-03-05 2003-02-17 Circuit pour alimenter une lampe à décharge muni d'une détection de fin de durée de vie

Country Status (5)

Country Link
US (1) US6803731B2 (fr)
EP (1) EP1343360A3 (fr)
CN (1) CN1443031B (fr)
CA (1) CA2420841A1 (fr)
DE (1) DE10209619A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7002301B2 (en) * 2003-10-15 2006-02-21 Lutron Electronics Co., Inc. Apparatus and methods for making capacitive measurements of cathode fall in fluorescent lamps
CN101060737A (zh) * 2006-04-19 2007-10-24 皇家飞利浦电子股份有限公司 一种探测灯的功能状态的电路和镇流器
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
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
JP7578916B2 (ja) * 2021-07-29 2024-11-07 ウシオ電機株式会社 放電ランプおよび放電ランプの寿命評価方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5023516A (en) * 1988-05-10 1991-06-11 Matsushita Electric Industrial Co., Ltd. Discharge lamp operation apparatus
EP0681414A2 (fr) * 1994-05-03 1995-11-08 Osram Sylvania Inc. Circuit de protection pour lampes à décharge
US5493180A (en) * 1995-03-31 1996-02-20 Energy Savings, Inc., A Delaware Corporation Lamp protective, electronic ballast
EP0735801A1 (fr) * 1995-03-29 1996-10-02 Valeo Electronique Perfectionnements aux dispositifs d'alimentation de lampes à décharge de projecteurs de véhicules automobiles
WO2002021884A2 (fr) * 2000-09-06 2002-03-14 Matsushita Electric Works, Ltd. Circuit ballast pour le fonctionnement d'une lampe a decharge
EP1233657A2 (fr) * 2001-02-20 2002-08-21 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Circuit de protection pour tube fluorescent

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3521602B2 (ja) * 1996-03-06 2004-04-19 株式会社デンソー 放電灯点灯装置
US5808422A (en) * 1996-05-10 1998-09-15 Philips Electronics North America Lamp ballast with lamp rectification detection circuitry
DE69828484T2 (de) * 1997-04-17 2005-08-25 Toshiba Lighting & Technology Corp. Entladungslampe und beleuchtungsvorrichtung
DE19819027A1 (de) * 1998-04-29 1999-11-04 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Schaltungsanordnung zum Betrieb mindestens einer Entladungslampe
US6008592A (en) * 1998-06-10 1999-12-28 International Rectifier Corporation End of lamp life or false lamp detection circuit for an electronic ballast
DE10209620A1 (de) * 2002-03-05 2003-09-25 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh EOL-Erkennung mit integrieter Wendelabfrage

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5023516A (en) * 1988-05-10 1991-06-11 Matsushita Electric Industrial Co., Ltd. Discharge lamp operation apparatus
EP0681414A2 (fr) * 1994-05-03 1995-11-08 Osram Sylvania Inc. Circuit de protection pour lampes à décharge
EP0735801A1 (fr) * 1995-03-29 1996-10-02 Valeo Electronique Perfectionnements aux dispositifs d'alimentation de lampes à décharge de projecteurs de véhicules automobiles
US5493180A (en) * 1995-03-31 1996-02-20 Energy Savings, Inc., A Delaware Corporation Lamp protective, electronic ballast
WO2002021884A2 (fr) * 2000-09-06 2002-03-14 Matsushita Electric Works, Ltd. Circuit ballast pour le fonctionnement d'une lampe a decharge
EP1233657A2 (fr) * 2001-02-20 2002-08-21 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Circuit de protection pour tube fluorescent

Also Published As

Publication number Publication date
CN1443031B (zh) 2010-04-21
DE10209619A1 (de) 2003-09-25
US20030168994A1 (en) 2003-09-11
CN1443031A (zh) 2003-09-17
US6803731B2 (en) 2004-10-12
CA2420841A1 (fr) 2003-09-05
EP1343360A2 (fr) 2003-09-10

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