DE102004032187A1 - Entladungslampe-Erregungsschaltung - Google Patents

Entladungslampe-Erregungsschaltung Download PDF

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Publication number
DE102004032187A1
DE102004032187A1 DE102004032187A DE102004032187A DE102004032187A1 DE 102004032187 A1 DE102004032187 A1 DE 102004032187A1 DE 102004032187 A DE102004032187 A DE 102004032187A DE 102004032187 A DE102004032187 A DE 102004032187A DE 102004032187 A1 DE102004032187 A1 DE 102004032187A1
Authority
DE
Germany
Prior art keywords
discharge lamp
power
current
supplied
voltage
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
DE102004032187A
Other languages
English (en)
Other versions
DE102004032187B4 (de
Inventor
Takanori Namba
Masayasu Ito
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.)
Koito Manufacturing Co Ltd
Original Assignee
Koito Manufacturing Co Ltd
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 Koito Manufacturing Co Ltd filed Critical Koito Manufacturing Co Ltd
Publication of DE102004032187A1 publication Critical patent/DE102004032187A1/de
Application granted granted Critical
Publication of DE102004032187B4 publication Critical patent/DE102004032187B4/de
Expired - Fee Related 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
    • H05B41/382—Controlling the intensity of light during the transitional start-up phase
    • H05B41/388—Controlling the intensity of light during the transitional start-up phase for a transition from glow to arc
    • 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
    • H05B41/2881—Load circuits; Control thereof
    • H05B41/2882—Load circuits; Control thereof the control resulting from an action on the static converter
    • 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
    • H05B41/382—Controlling the intensity of light during the transitional start-up phase
    • H05B41/386—Controlling the intensity of light during the transitional start-up phase for speeding-up the lighting-up

Abstract

Eine Entladungslampe-Erregungsschaltung enthält eine Emissionsbeschleunigungssteuereinrichtung zum Detektieren einer Lampenspannung für die Entladungslampe und zum Zuführen einer Leistung größer als ein Nennwert, wenn die Entladungslampe anfangs erregt wird, und zum allmählichen Reduzieren der zugeführten Leistung danach, derart, dass die Entladungslampe in den eingeschwungenen Zustand gebracht wird. Die Leistungssteuerung ist derart vorgesehen, dass die Leistung, die der Entladungslampe zugeführt wird, in Übereinstimmung mit einem Anstieg der Spannung eines Kondensators reduziert wird, und ein Ladestrom dem Kondensator durch Stromquellen zugeführt wird, die einen Strom, der von der Zeit abhängt, die seit dem Starten des Erregens der Entladungslampe abgelaufen sit, und einen zweiten Strom bereitstellen, der von der Lampenspannung abhängt.
DE102004032187A 2003-07-02 2004-07-02 Entladungslampen-Erregungsschaltung Expired - Fee Related DE102004032187B4 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2003190253A JP2005026071A (ja) 2003-07-02 2003-07-02 放電灯点灯回路
JP2003-190253 2003-07-02

Publications (2)

Publication Number Publication Date
DE102004032187A1 true DE102004032187A1 (de) 2005-03-10
DE102004032187B4 DE102004032187B4 (de) 2010-06-10

Family

ID=34188205

Family Applications (1)

Application Number Title Priority Date Filing Date
DE102004032187A Expired - Fee Related DE102004032187B4 (de) 2003-07-02 2004-07-02 Entladungslampen-Erregungsschaltung

Country Status (3)

Country Link
US (1) US6989638B2 (de)
JP (1) JP2005026071A (de)
DE (1) DE102004032187B4 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2026639A1 (de) * 2007-08-10 2009-02-18 Hella KG Hueck & Co. Schaltungsanordnung zum Einstellen der Höhe einer Leistung von Gasentladungslampen
WO2010052641A2 (en) * 2008-11-07 2010-05-14 Philips Intellectual Property & Standards Gmbh Providing power to gas discharge lamp
DE102007002731B4 (de) * 2006-01-18 2011-01-05 Koito Mfg. Co., Ltd. Lichtstromkreis

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JP4480073B2 (ja) * 2004-08-04 2010-06-16 株式会社小糸製作所 放電灯点灯装置
JP2006049127A (ja) * 2004-08-05 2006-02-16 Koito Mfg Co Ltd 照明用光源の点灯装置
JP5106788B2 (ja) * 2006-05-29 2012-12-26 株式会社小糸製作所 放電灯点灯回路
US7701150B2 (en) * 2007-12-31 2010-04-20 Lumination Llc Current shaping of an LED signal for interfacing with traffic control equipment
JP2010044979A (ja) * 2008-08-15 2010-02-25 Panasonic Electric Works Co Ltd 高圧放電灯点灯装置、照明器具
JP5576638B2 (ja) * 2009-11-06 2014-08-20 パナソニック株式会社 点灯装置及びそれを用いた前照灯点灯装置、前照灯、車輌

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007002731B4 (de) * 2006-01-18 2011-01-05 Koito Mfg. Co., Ltd. Lichtstromkreis
EP2026639A1 (de) * 2007-08-10 2009-02-18 Hella KG Hueck & Co. Schaltungsanordnung zum Einstellen der Höhe einer Leistung von Gasentladungslampen
WO2010052641A2 (en) * 2008-11-07 2010-05-14 Philips Intellectual Property & Standards Gmbh Providing power to gas discharge lamp
WO2010052641A3 (en) * 2008-11-07 2010-12-02 Philips Intellectual Property & Standards Gmbh Providing power to gas discharge lamp
US10542612B2 (en) 2008-11-07 2020-01-21 Lumileds Llc Device and method for providing power to gas discharge lamp

Also Published As

Publication number Publication date
US20050062435A1 (en) 2005-03-24
US6989638B2 (en) 2006-01-24
JP2005026071A (ja) 2005-01-27
DE102004032187B4 (de) 2010-06-10

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee
R119 Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee

Effective date: 20110201