WO2004034741A3 - Electronic ballast with dc output flyback converter - Google Patents

Electronic ballast with dc output flyback converter Download PDF

Info

Publication number
WO2004034741A3
WO2004034741A3 PCT/US2003/030780 US0330780W WO2004034741A3 WO 2004034741 A3 WO2004034741 A3 WO 2004034741A3 US 0330780 W US0330780 W US 0330780W WO 2004034741 A3 WO2004034741 A3 WO 2004034741A3
Authority
WO
WIPO (PCT)
Prior art keywords
converter
output
tlyback
lamp
high voltage
Prior art date
Application number
PCT/US2003/030780
Other languages
French (fr)
Other versions
WO2004034741A2 (en
Inventor
Arthur T Nemirow
Storm S Sears
Original Assignee
Bruce Ind Inc
Arthur T Nemirow
Storm S Sears
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 Bruce Ind Inc, Arthur T Nemirow, Storm S Sears filed Critical Bruce Ind Inc
Priority to EP03754989A priority Critical patent/EP1579545A4/en
Priority to AU2003272788A priority patent/AU2003272788A1/en
Publication of WO2004034741A2 publication Critical patent/WO2004034741A2/en
Publication of WO2004034741A3 publication Critical patent/WO2004034741A3/en

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
    • 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
    • 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
    • H05B41/3927—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations by pulse width modulation
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps

Abstract

A fluorescent lamp electronic ballast includes a DC to DC tlyback converter (16), a commutator circuit (18, 28 and 30), and a current sensor (20). The flyback converter (16) includes a tlyback transformer (TI) connected to a diode/capacitor (D1-D8. C2) combination, and includes a switch (U3) used to produce a flyback waveform that is rectified by the diode (D6-D8) and results in a high voltage DC output at the capacitor (C2). The commutator circuit receives the high voltage DC output and converts the high voltage DC output to an AC signal for operating the fluorescent lamp (24, 26). The current sensor (20) senses a DC lamp current from the output of the tlyback converter (16) and provides a current sense signal to the flyback converter (16). The flybick converter switch (16) is controlled based on the current sense signal. Preferred ballasts advantageously provide a continuously dimmable lamp load, a universal type ballast for a wide range of lamp loads and combinations, and programmed start.
PCT/US2003/030780 2002-10-07 2003-09-29 Electronic ballast with dc output flyback converter WO2004034741A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP03754989A EP1579545A4 (en) 2002-10-07 2003-09-29 Electronic ballast with dc output flyback converter
AU2003272788A AU2003272788A1 (en) 2002-10-07 2003-09-29 Electronic ballast with dc output flyback converter

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/266,162 US6864642B2 (en) 2002-10-07 2002-10-07 Electronic ballast with DC output flyback converter
US10/266,162 2002-10-07

Publications (2)

Publication Number Publication Date
WO2004034741A2 WO2004034741A2 (en) 2004-04-22
WO2004034741A3 true WO2004034741A3 (en) 2005-08-04

Family

ID=32042616

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2003/030780 WO2004034741A2 (en) 2002-10-07 2003-09-29 Electronic ballast with dc output flyback converter

Country Status (4)

Country Link
US (1) US6864642B2 (en)
EP (1) EP1579545A4 (en)
AU (1) AU2003272788A1 (en)
WO (1) WO2004034741A2 (en)

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US20040232775A1 (en) * 2003-05-19 2004-11-25 Nilssen Ole K. Lighting system comprised of a unique direct current power supply and a plurality of gas discharge luminaires
US7042170B2 (en) * 2003-05-31 2006-05-09 Lights Of America, Inc. Digital ballast
US7202608B2 (en) * 2004-06-30 2007-04-10 Tir Systems Ltd. Switched constant current driving and control circuit
US7057390B1 (en) * 2004-09-20 2006-06-06 Southeastern Univ. Research Assn. Linear beam raster magnet driver based on H-bridge technique
US7525256B2 (en) * 2004-10-29 2009-04-28 International Rectifier Corporation HID buck and full-bridge ballast control IC
CN101163361A (en) * 2006-10-11 2008-04-16 鸿富锦精密工业（深圳）有限公司 Light source driving device
US7501991B2 (en) 2007-02-19 2009-03-10 Laird Technologies, Inc. Asymmetric dipole antenna
WO2008137203A1 (en) * 2007-05-03 2008-11-13 Jorge Sanchez Equalizing light output at opposite ends of a fluorescent lamp array
US7911153B2 (en) * 2007-07-02 2011-03-22 Empower Electronics, Inc. Electronic ballasts for lighting systems
US8537572B2 (en) * 2007-09-28 2013-09-17 Enphase Energy, Inc. Method and apparatus for providing power conversion using an interleaved flyback converter with automatic balancing
US8274236B2 (en) * 2009-04-01 2012-09-25 Delta Electronics, Inc. Power supply having an auxiliary power stage for sustaining sufficient post ignition current in a DC lamp
CA2703155C (en) 2009-05-04 2019-03-12 Hubbell Incorporated Integrated lighting system and method
US10564613B2 (en) 2010-11-19 2020-02-18 Hubbell Incorporated Control system and method for managing wireless and wired components
WO2023212786A2 (en) * 2022-05-04 2023-11-09 Джейхун Мирали оглы ХАЛИЛОВ Inverting regulator

Citations (3)

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US4504775A (en) * 1979-11-29 1985-03-12 Klaus Becker Self oscillating, single-ended flyback converter with input voltage responsive control
US4870327A (en) * 1987-07-27 1989-09-26 Avtech Corporation High frequency, electronic fluorescent lamp ballast
US5483127A (en) * 1994-01-19 1996-01-09 Don Widmayer & Associates, Inc. Variable arc electronic ballast with continuous cathode heating

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Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4504775A (en) * 1979-11-29 1985-03-12 Klaus Becker Self oscillating, single-ended flyback converter with input voltage responsive control
US4870327A (en) * 1987-07-27 1989-09-26 Avtech Corporation High frequency, electronic fluorescent lamp ballast
US5483127A (en) * 1994-01-19 1996-01-09 Don Widmayer & Associates, Inc. Variable arc electronic ballast with continuous cathode heating

Also Published As

Publication number Publication date
AU2003272788A1 (en) 2004-05-04
US6864642B2 (en) 2005-03-08
EP1579545A4 (en) 2008-09-10
US20040066153A1 (en) 2004-04-08
WO2004034741A2 (en) 2004-04-22
EP1579545A2 (en) 2005-09-28
AU2003272788A8 (en) 2004-05-04

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