EP2271187A3 - Controlling and measuring the functions of an electronic ballast - Google Patents

Controlling and measuring the functions of an electronic ballast Download PDF

Info

Publication number
EP2271187A3
EP2271187A3 EP10163702A EP10163702A EP2271187A3 EP 2271187 A3 EP2271187 A3 EP 2271187A3 EP 10163702 A EP10163702 A EP 10163702A EP 10163702 A EP10163702 A EP 10163702A EP 2271187 A3 EP2271187 A3 EP 2271187A3
Authority
EP
European Patent Office
Prior art keywords
electronic ballast
switching
switching transistor
lamp
control circuit
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
EP10163702A
Other languages
German (de)
French (fr)
Other versions
EP2271187A2 (en
EP2271187B1 (en
Inventor
Hannu Vihinen
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=40825442&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2271187(A3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Helvar Oy AB filed Critical Helvar Oy AB
Publication of EP2271187A2 publication Critical patent/EP2271187A2/en
Publication of EP2271187A3 publication Critical patent/EP2271187A3/en
Application granted granted Critical
Publication of EP2271187B1 publication Critical patent/EP2271187B1/en
Active 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
    • H05B41/26—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
    • 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
    • H05B41/2986—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
    • H05B41/2825—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 by means of a bridge converter in the final stage
    • 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
    • H05B41/288—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 without preheating electrodes, e.g. for high-intensity discharge lamps, high-pressure mercury or sodium lamps or low-pressure sodium lamps
    • H05B41/292—Arrangements for protecting lamps or circuits against abnormal operating conditions
    • H05B41/2921—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the circuit against abnormal 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
    • H05B41/26—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

Landscapes

  • Circuit Arrangements For Discharge Lamps (AREA)

Abstract

The invention relates to a lamp for producing illuminating radiation, said lamp comprising an electronic ballast 102 for establishing an ignition voltage for the lamp in order to initiate the production of illuminating radiation, said electronic ballast 102 comprising at least two switching transistors Q1, Q2 for supplying current to at least one coil L1 which develops the lamp ignition voltage, and the electronic ballast 102 having a control circuit 104 integrated therewith. The electronic ballast 102 comprises at least two resistors R8 and R10 arranged at least in a series connection relative to each other for measuring and/or regulating the currents of said at least two switching transistors Q1 and Q2, said resistor R8 being in connection with the switching transistor Q2 and the resistor R10 being in a series connection with the resistor R8 and with a voltage source. The electronic ballast 102 comprises the series connection of said resistors R8 and R10 for operating said control circuit 104 in order to detect whether a current passing through the switching transistor Q1 or Q2 is overly high with respect to a limit current value set for the control circuit, and by operating said control circuit 104, for immediately switching off the control of that switching transistor Q1 or Q2 which switching transistor Q1 or Q2 has been found with an overly high passing current and for immediately switching on the current of the other switching transistor Q1 or Q2.
EP10163702.3A 2009-06-30 2010-05-24 Controlling and measuring the functions of an electronic ballast Active EP2271187B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI20095737A FI121561B (en) 2009-06-30 2009-06-30 Adjusting and measuring the functions of the electronic ballast

Publications (3)

Publication Number Publication Date
EP2271187A2 EP2271187A2 (en) 2011-01-05
EP2271187A3 true EP2271187A3 (en) 2013-03-20
EP2271187B1 EP2271187B1 (en) 2017-04-19

Family

ID=40825442

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10163702.3A Active EP2271187B1 (en) 2009-06-30 2010-05-24 Controlling and measuring the functions of an electronic ballast

Country Status (2)

Country Link
EP (1) EP2271187B1 (en)
FI (1) FI121561B (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004071136A1 (en) * 2003-02-04 2004-08-19 Koninklijke Philips Electronics N.V. Circuit arrangement
WO2008119613A1 (en) * 2007-03-30 2008-10-09 Osram Gesellschaft mit beschränkter Haftung Method of ignition regulation of discharge lamp and the corresponding electronic ballast circuit
EP2046099A1 (en) * 2007-10-04 2009-04-08 Helvar Oy Ab Electronic connection device for a lamp

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0650677B2 (en) 1985-01-24 1994-06-29 松下電工株式会社 Discharge lamp lighting device
US4873471A (en) 1986-03-28 1989-10-10 Thomas Industries Inc. High frequency ballast for gaseous discharge lamps
DE4018127A1 (en) 1990-06-06 1991-12-12 Zumtobel Ag METHOD AND CIRCUIT FOR CONTROLLING THE BRIGHTNESS (DIMMING) OF GAS DISCHARGE LAMPS
NZ505209A (en) 1997-12-23 2002-12-20 Tridonic Bauelemente Method and device for detecting the rectification effect occurring in a gas-discharge lamp with a monitoring circuit which integrates a load circuits operating variable
DE20221985U1 (en) 2002-02-01 2010-03-04 Tridonicatco Gmbh & Co. Kg Electronic ballast for gas discharge lamp
DE10205896A1 (en) 2002-02-13 2003-09-04 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Operating circuit for discharge lamp with variable-frequency ignition
DE10221450A1 (en) 2002-05-15 2003-11-27 Philips Intellectual Property Resonance converter circuit has a pair of switching stages operated by a controller to generate a chopper voltage that is applied to a rectifier
DE10223977C1 (en) 2002-05-29 2003-09-04 Siemens Ag Current measuring circuit for controlling multi-phase electric motor uses 2 measuring transducers with offset inputs coupled to combining stage providing overall output
US6891339B2 (en) 2002-09-19 2005-05-10 International Rectifier Corporation Adaptive CFL control circuit
DE102004009994A1 (en) 2004-03-01 2005-09-22 Tridonicatco Gmbh & Co. Kg Overcurrent and mid point voltage detection
JP2008504647A (en) 2004-06-28 2008-02-14 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ Fluorescent tube lamp drive circuit
DE102004037389C5 (en) 2004-08-02 2014-04-10 Infineon Technologies Ag Method for controlling a load having a fluorescent lamp for optimizing the ignition process
KR100873207B1 (en) 2005-03-04 2008-12-10 인터내쇼널 렉티파이어 코포레이션 Automotive high intensity discharge lamp ballast circuit
DE102005020178A1 (en) 2005-04-28 2006-11-09 HÜCO electronic GmbH Switching device for high pressure gas discharge lamp operation, has measuring device that stands in connection with frequency control unit such that power inverter circuit is controlled dependent on measured resonance parameter
EP1776000A3 (en) 2005-10-12 2008-05-28 Int Rectifier Corp 8-Pin PFC and ballast control IC

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004071136A1 (en) * 2003-02-04 2004-08-19 Koninklijke Philips Electronics N.V. Circuit arrangement
WO2008119613A1 (en) * 2007-03-30 2008-10-09 Osram Gesellschaft mit beschränkter Haftung Method of ignition regulation of discharge lamp and the corresponding electronic ballast circuit
EP2046099A1 (en) * 2007-10-04 2009-04-08 Helvar Oy Ab Electronic connection device for a lamp

Also Published As

Publication number Publication date
EP2271187A2 (en) 2011-01-05
FI20095737A0 (en) 2009-06-30
EP2271187B1 (en) 2017-04-19
FI121561B (en) 2010-12-31

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