EP1326485A3 - Ballast for a lamp, and method for operating said ballast - Google Patents

Ballast for a lamp, and method for operating said ballast Download PDF

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Publication number
EP1326485A3
EP1326485A3 EP02027138A EP02027138A EP1326485A3 EP 1326485 A3 EP1326485 A3 EP 1326485A3 EP 02027138 A EP02027138 A EP 02027138A EP 02027138 A EP02027138 A EP 02027138A EP 1326485 A3 EP1326485 A3 EP 1326485A3
Authority
EP
European Patent Office
Prior art keywords
ballast
switch
lamp
operating
alternately
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Withdrawn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
EP02027138A
Other languages
German (de)
French (fr)
Other versions
EP1326485A2 (en
Inventor
Olaf Busse
Markus Heckmann
Wolfram Dr. Sowa
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 EP1326485A2 publication Critical patent/EP1326485A2/en
Publication of EP1326485A3 publication Critical patent/EP1326485A3/en
Withdrawn legal-status Critical Current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
    • H05B41/36—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
    • H05B41/3925—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations by frequency variation
    • 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
    • Y10S315/07—Starting and control circuits for gas discharge lamp using transistors

Abstract

Die Erfindung betrifft ein Vorschaltgerät für eine Lampe mit einem Wechselrichter, der zumindest einen Schalter (S1; S2) umfaßt, und einer Ansteuerschaltung (10) zum abwechselnden Öffnen und Schließen des mindestens einen Schalters (S1; S2), wobei die Ansteuerschaltung (10) ausgelegt ist, den mindestens einen Schalter (S1; S2) abwechselnd mit mindestens zwei unterschiedlichen Frequenzen (ωa, ωb) anzusteuem. Sie betrifft überdies ein Verfahren zum Betreiben eines Vorschaltgeräts für eine Lampe mit einem Wechselrichter, der zumindest einen Schalter (S1; S2) umfaßt, und einer Ansteuerschaltung (10) zum abwechselnden Öffnen und Schließen des mindestens einen Schalters (S1; S2), wobei die Ansteuerschaltung den mindestens einen Schalter (S1; S2) abwechselnd mit mindestens zwei unterschiedlichen Frequenzen (ωa, ωb) ansteuert.

Figure 00000001
The invention relates to a ballast for a lamp with an inverter, which comprises at least one switch (S1; S2), and a drive circuit (10) for alternately opening and closing the at least one switch (S1; S2), the drive circuit (10) is designed to drive the at least one switch (S1; S2) alternately with at least two different frequencies (ω a , ω b ). It also relates to a method for operating a ballast for a lamp with an inverter, which comprises at least one switch (S1; S2), and a drive circuit (10) for alternately opening and closing the at least one switch (S1; S2) Control circuit, the at least one switch (S1; S2) alternately with at least two different frequencies (ω a , ω b ) drives.
Figure 00000001
EP02027138A 2002-01-02 2002-12-04 Ballast for a lamp, and method for operating said ballast Withdrawn EP1326485A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10200047 2002-01-02
DE10200047A DE10200047A1 (en) 2002-01-02 2002-01-02 Ballast for a lamp and method for operating a ballast for a lamp

Publications (2)

Publication Number Publication Date
EP1326485A2 EP1326485A2 (en) 2003-07-09
EP1326485A3 true EP1326485A3 (en) 2005-01-12

Family

ID=7711451

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02027138A Withdrawn EP1326485A3 (en) 2002-01-02 2002-12-04 Ballast for a lamp, and method for operating said ballast

Country Status (5)

Country Link
US (2) US20040012345A1 (en)
EP (1) EP1326485A3 (en)
CN (1) CN1430461A (en)
CA (1) CA2415509A1 (en)
DE (1) DE10200047A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10325872A1 (en) * 2003-06-06 2004-12-23 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Control circuit for the operation of at least one lamp in an associated load circuit
DE102005017323A1 (en) * 2005-04-14 2006-10-19 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Electronic ballast for a lamp
DE102006017521A1 (en) 2006-04-13 2007-10-18 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Circuit arrangement and method for operating a discharge lamp
TWI354439B (en) * 2007-06-04 2011-12-11 Holtek Semiconductor Inc Ac signal producer and method thereof
CN101926230B (en) * 2008-01-24 2014-02-19 奥斯兰姆有限公司 Electronic ballast and method for controlling at least one light source
US7863827B2 (en) 2008-05-23 2011-01-04 Osram Sylvania Inc. Ceramic metal halide lamp bi-modal power regulation control
US8378585B2 (en) 2008-05-23 2013-02-19 Osram Sylvania Inc. High frequency integrated HID lamp with run-up current
KR101094296B1 (en) 2010-05-31 2011-12-19 삼성모바일디스플레이주식회사 Display device and Fabrication method of the same

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5365151A (en) * 1991-07-12 1994-11-15 Tridonic Bauelemente Gmbh Gas discharge lamp ballast circuit with frequency modulated pulse control
US5585699A (en) * 1994-11-18 1996-12-17 Hilite Lighting And Electronics Ltd. Control circuit for fluorescent lamps
WO1998036623A1 (en) * 1997-02-13 1998-08-20 Koninklijke Philips Electronics N.V. Circuit arrangement

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5365152A (en) * 1991-09-09 1994-11-15 Matsushita Electric Industrial Co. Ltd. Apparatus for controlling the power to a discharge-lamp
JP3244859B2 (en) * 1993-04-12 2002-01-07 池田デンソー株式会社 Discharge lamp lighting device
US5381076A (en) * 1993-10-18 1995-01-10 General Electric Company Metal halide electronic ballast
US5426350A (en) * 1993-11-18 1995-06-20 Electric Power Research Institute, Inc. High frequency transformerless electronics ballast using double inductor-capacitor resonant power conversion for gas discharge lamps
US5677602A (en) * 1995-05-26 1997-10-14 Paul; Jon D. High efficiency electronic ballast for high intensity discharge lamps
US5696431A (en) * 1996-05-03 1997-12-09 Philips Electronics North America Corporation Inverter driving scheme for capacitive mode protection
JP3829507B2 (en) * 1997-12-12 2006-10-04 松下電工株式会社 Electronic ballast and HID lamp control circuit
US6392364B1 (en) * 1999-06-21 2002-05-21 Denso Corporation High voltage discharge lamp apparatus for vehicles
KR100697726B1 (en) * 2000-02-10 2007-03-21 페어차일드코리아반도체 주식회사 A lamp system equipped with an electric ballast
US6380694B1 (en) * 2000-09-22 2002-04-30 Matsushita Electric Works R & D Laboratory Variable structure circuit topology for HID lamp electronic ballasts
EP1227706B1 (en) * 2001-01-24 2012-11-28 City University of Hong Kong Novel circuit designs and control techniques for high frequency electronic ballasts for high intensity discharge lamps
US6577078B2 (en) * 2001-09-26 2003-06-10 Koninklijke Philips Electronics N.V. Electronic ballast with lamp run-up current regulation

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5365151A (en) * 1991-07-12 1994-11-15 Tridonic Bauelemente Gmbh Gas discharge lamp ballast circuit with frequency modulated pulse control
US5585699A (en) * 1994-11-18 1996-12-17 Hilite Lighting And Electronics Ltd. Control circuit for fluorescent lamps
WO1998036623A1 (en) * 1997-02-13 1998-08-20 Koninklijke Philips Electronics N.V. Circuit arrangement

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
WU T-F ET AL: "AN ELECTRONIC DIMMING BALLAST WITH BIFREQUENCY AND FUZZY LOGIC CONTROL", IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS, IEEE INC. NEW YORK, US, vol. 36, no. 5, September 2000 (2000-09-01), pages 1308 - 1317, XP001142932, ISSN: 0093-9994 *

Also Published As

Publication number Publication date
CA2415509A1 (en) 2003-07-02
US20040012345A1 (en) 2004-01-22
DE10200047A1 (en) 2003-07-17
US20030137256A1 (en) 2003-07-24
US6768271B2 (en) 2004-07-27
EP1326485A2 (en) 2003-07-09
CN1430461A (en) 2003-07-16

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