EP1708549A3 - Vorschaltgerät mit einer Dimmvorrichtung - Google Patents

Vorschaltgerät mit einer Dimmvorrichtung Download PDF

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Publication number
EP1708549A3
EP1708549A3 EP06004877A EP06004877A EP1708549A3 EP 1708549 A3 EP1708549 A3 EP 1708549A3 EP 06004877 A EP06004877 A EP 06004877A EP 06004877 A EP06004877 A EP 06004877A EP 1708549 A3 EP1708549 A3 EP 1708549A3
Authority
EP
European Patent Office
Prior art keywords
brightness
lamp
ballast
dimming device
low
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
EP06004877A
Other languages
English (en)
French (fr)
Other versions
EP1708549B1 (de
EP1708549A2 (de
Inventor
Klaus Fischer
Josef Kreittmayr
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 EP1708549A2 publication Critical patent/EP1708549A2/de
Publication of EP1708549A3 publication Critical patent/EP1708549A3/de
Application granted granted Critical
Publication of EP1708549B1 publication Critical patent/EP1708549B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • H05B41/36—Controlling
    • H05B41/38—Controlling the intensity of light
    • H05B41/39—Controlling the intensity of light continuously
    • H05B41/392—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor
    • H05B41/3921—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S315/00—Electric lamp and discharge devices: systems
    • Y10S315/04—Dimming circuit for fluorescent lamps

Landscapes

  • Circuit Arrangements For Discharge Lamps (AREA)
  • Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)

Abstract

Die Erfindung betrifft ein Vorschaltgerät mit Dimmvorrichtung für eine Niederdruckentladungslampe. Sie weist zwei technisch unterschiedliche Möglichkeiten zur Steuerung der Lampenhelligkeit auf. Die erste Möglichkeit zur Helligkeitssteuerung, die jede Ausführungsform der Erfindung aufweist, ist die Steuerung der Lampenhelligkeit mittels Einstellung der Amplitude des Lampenstromes. Die zweite Möglichkeit der Helligkeitssteuerung basiert erfindungsgemäß darauf, dass jede Ausführungsform der Erfindung die Niederdruckentladungslampe mit gepulstem Lampenstrom betreiben kann. Insbesondere werden beide Betriebsmodi in bestimmten Helligkeitsbereichen kombiniert eingesetzt.
Figure imgaf001
EP06004877A 2005-03-22 2006-03-09 Vorschaltgerät mit einer Dimmvorrichtung Not-in-force EP1708549B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102005013308A DE102005013308A1 (de) 2005-03-22 2005-03-22 Vorschaltgerät mit einer Dimmvorrichtung

Publications (3)

Publication Number Publication Date
EP1708549A2 EP1708549A2 (de) 2006-10-04
EP1708549A3 true EP1708549A3 (de) 2007-04-25
EP1708549B1 EP1708549B1 (de) 2008-05-07

Family

ID=36636955

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06004877A Not-in-force EP1708549B1 (de) 2005-03-22 2006-03-09 Vorschaltgerät mit einer Dimmvorrichtung

Country Status (4)

Country Link
US (1) US7330001B2 (de)
EP (1) EP1708549B1 (de)
CN (1) CN1849031B (de)
DE (2) DE102005013308A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101897239A (zh) * 2007-12-14 2010-11-24 皇家飞利浦电子股份有限公司 可调光发光设备

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0422255A1 (de) * 1989-10-09 1991-04-17 Siemens Aktiengesellschaft Elektronisches Vorschaltgerät
DE3943350A1 (de) * 1989-12-29 1991-07-04 Zumtobel Ag Verfahren und vorschaltgeraet zum dimmen von leuchtstoffroehren
EP0504967A1 (de) * 1991-03-15 1992-09-23 Koninklijke Philips Electronics N.V. Schaltungsanordnung

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5914572A (en) * 1997-06-19 1999-06-22 Matsushita Electric Works, Ltd. Discharge lamp driving circuit having resonant circuit defining two resonance modes
WO2002035893A1 (en) * 2000-10-25 2002-05-02 Koninklijke Philips Electronics N.V. Circuit arrangement
TW200512713A (en) * 2003-09-16 2005-04-01 Beyond Innovation Tech Co Ltd PWM illumination control circuit with low visual noise
TWI254267B (en) * 2003-11-17 2006-05-01 Hon Hai Prec Ind Co Ltd Dimming control method and lighting system employing the same
US7075254B2 (en) * 2004-12-14 2006-07-11 Lutron Electronics Co., Inc. Lighting ballast having boost converter with on/off control and method of ballast operation

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0422255A1 (de) * 1989-10-09 1991-04-17 Siemens Aktiengesellschaft Elektronisches Vorschaltgerät
DE3943350A1 (de) * 1989-12-29 1991-07-04 Zumtobel Ag Verfahren und vorschaltgeraet zum dimmen von leuchtstoffroehren
EP0504967A1 (de) * 1991-03-15 1992-09-23 Koninklijke Philips Electronics N.V. Schaltungsanordnung

Also Published As

Publication number Publication date
US20060214601A1 (en) 2006-09-28
CN1849031B (zh) 2010-12-08
EP1708549B1 (de) 2008-05-07
DE502006000720D1 (de) 2008-06-19
EP1708549A2 (de) 2006-10-04
DE102005013308A1 (de) 2006-09-28
CN1849031A (zh) 2006-10-18
US7330001B2 (en) 2008-02-12

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