DE69702588T2 - Elektronisches Vorschaltgerät mit thermischer Schutzschaltung - Google Patents

Elektronisches Vorschaltgerät mit thermischer Schutzschaltung

Info

Publication number
DE69702588T2
DE69702588T2 DE1997602588 DE69702588T DE69702588T2 DE 69702588 T2 DE69702588 T2 DE 69702588T2 DE 1997602588 DE1997602588 DE 1997602588 DE 69702588 T DE69702588 T DE 69702588T DE 69702588 T2 DE69702588 T2 DE 69702588T2
Authority
DE
Germany
Prior art keywords
protection circuit
thermal protection
electronic ballast
ballast
electronic
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.)
Expired - Fee Related
Application number
DE1997602588
Other languages
German (de)
English (en)
Other versions
DE69702588D1 (de
Inventor
Harri Naakka
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.)
Helvar Oy AB
Original Assignee
Helvar Oy AB
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 Helvar Oy AB filed Critical Helvar Oy AB
Application granted granted Critical
Publication of DE69702588D1 publication Critical patent/DE69702588D1/de
Publication of DE69702588T2 publication Critical patent/DE69702588T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H05B41/282—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
    • H05B41/285—Arrangements for protecting lamps or circuits against abnormal operating conditions
    • H05B41/2851—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the circuit against abnormal operating conditions
    • H05B41/2856—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the circuit against abnormal operating conditions against internal abnormal circuit conditions
    • 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
    • H05B41/282—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
    • H05B41/285—Arrangements for protecting lamps or circuits against abnormal operating conditions
    • H05B41/2851—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the circuit against abnormal operating conditions
    • H05B41/2855—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the circuit against abnormal operating conditions against abnormal lamp operating conditions
DE1997602588 1996-12-16 1997-12-11 Elektronisches Vorschaltgerät mit thermischer Schutzschaltung Expired - Fee Related DE69702588T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI965024A FI101186B (fi) 1996-12-16 1996-12-16 Lämpösuojapiirillä varustettu elektroninen liitäntälaite

Publications (2)

Publication Number Publication Date
DE69702588D1 DE69702588D1 (de) 2000-08-24
DE69702588T2 true DE69702588T2 (de) 2001-04-19

Family

ID=8547273

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1997602588 Expired - Fee Related DE69702588T2 (de) 1996-12-16 1997-12-11 Elektronisches Vorschaltgerät mit thermischer Schutzschaltung

Country Status (3)

Country Link
EP (1) EP0848580B1 (fi)
DE (1) DE69702588T2 (fi)
FI (1) FI101186B (fi)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1309255B1 (it) * 1999-05-18 2002-01-16 Cee Electra S R L Dispositivo di alimentazione, controllo e comando di sorgentiluminose elettriche
DE102005025154A1 (de) * 2005-06-01 2006-12-07 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Schaltungsanordnung zum Betrieb einer Entladungslampe mit Temperaturausgleich
US7817453B2 (en) * 2007-08-27 2010-10-19 General Electric Company Thermal foldback for linear fluorescent lamp ballasts
DE102011103638A1 (de) * 2011-06-08 2012-12-13 Tridonic Gmbh & Co. Kg Verfahren zum Betreiben eines elektronischen Vorschaltgeräts für ein Leuchtmittel und elektronisches Vorschaltgerät

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4282462A (en) * 1979-10-16 1981-08-04 General Electric Company Arc lamp lighting unit with means to prevent prolonged application of starting potentials
EP0146683B1 (de) * 1981-07-31 1987-11-19 Siemens Aktiengesellschaft Wechselrichter
DD264564B5 (de) * 1987-10-02 1994-04-07 Narva Gluehlampen Schaltungsanordnung fuer die zuendung und den betrieb einer niederdruckentladungslampe
DE4300399A1 (de) * 1993-01-09 1994-07-14 Hueco Gmbh Fabrik Fuer Elektro Schaltungsanordnung zum Betreiben einer Leuchtstofflampe im hochfrequenten Betrieb
US5483125A (en) * 1993-12-06 1996-01-09 General Electric Company Ballast circuit for a gas discharge lamp having a cathode pre-heat arrangement

Also Published As

Publication number Publication date
EP0848580B1 (en) 2000-07-19
EP0848580A1 (en) 1998-06-17
FI101186B1 (fi) 1998-04-30
FI101186B (fi) 1998-04-30
DE69702588D1 (de) 2000-08-24
FI965024A0 (fi) 1996-12-16

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee