JP4771073B2 - 放電ランプ点灯装置および照明装置 - Google Patents
放電ランプ点灯装置および照明装置 Download PDFInfo
- Publication number
- JP4771073B2 JP4771073B2 JP2006017272A JP2006017272A JP4771073B2 JP 4771073 B2 JP4771073 B2 JP 4771073B2 JP 2006017272 A JP2006017272 A JP 2006017272A JP 2006017272 A JP2006017272 A JP 2006017272A JP 4771073 B2 JP4771073 B2 JP 4771073B2
- Authority
- JP
- Japan
- Prior art keywords
- period
- discharge lamp
- duty
- lighting device
- 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.)
- Expired - Fee Related
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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
- H05B41/2858—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the lamp 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
- H05B41/282—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
Landscapes
- Circuit Arrangements For Discharge Lamps (AREA)
- Inverter Devices (AREA)
Description
Claims (5)
- 直流電源と;
少なくとも交互にスイッチングする一対のスイッチング素子を含み、調光比が小さい調光点灯時においては、一対のスイッチング素子が等しい時間の第1および第2の期間を繰り返す交互非対称動作を行うように構成され、第1および第2の期間はそれぞれ過渡期間および過渡期間に連続する定常期間からなり、定常期間では第1の期間において一方のスイッチング素子のオンデューティがa(ただし、0<a<1とする。)のときに、他方のスイッチング素子のオンデューティが1−aであり、第2の期間において一方のスイッチング素子のオンデューティが1−aのときに、他方のスイッチング素子のオンデューティがaである非対称動作を行ってオンデューティが一定となる定常状態となり、過渡期間ではオンデューティが連続的に変化するように構成され、入力端が直流電源に接続されるインバータ回路と;
インバータ回路の出力により付勢される放電ランプと;
を具備していることを特徴とする放電ランプ点灯装置。 - 調光信号にしたがってインバータ回路の出力が変化するとともに調光比が小さいときに交互非対称動作を行うように構成されていることを特徴とする請求項1記載の放電ランプ点灯装置。
- 交互非対称動作は、その周期が10ms以下であることを特徴とする請求項1または2記載の放電ランプ点灯装置。
- 第1の期間および第2の期間の少なくともいずれか一方から他方に移行する際に、両方のスイッチング素子のオンデューティが緩やかに変化して移行が行われ、かつ各期間を通じての平均オンデューティが一方でa、他方で1−aになるように構成されていることを特徴とする請求項1ないし3のいずれか一記載の放電ランプ点灯装置。
- 照明装置本体と;
照明装置本体に配設された請求項1ないし4のいずれか一記載の放電ランプ点灯装置と;
を具備していることを特徴とする照明装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006017272A JP4771073B2 (ja) | 2005-03-24 | 2006-01-26 | 放電ランプ点灯装置および照明装置 |
EP06005955A EP1705962A3 (en) | 2005-03-24 | 2006-03-23 | Discharge lamp lighting apparatus and luminaire |
US11/388,198 US7345434B2 (en) | 2005-03-24 | 2006-03-24 | Discharge lamp lighting apparatus and luminaire |
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005085995 | 2005-03-24 | ||
JP2005085995 | 2005-03-24 | ||
JP2005184285 | 2005-06-24 | ||
JP2005184285 | 2005-06-24 | ||
JP2006017272A JP4771073B2 (ja) | 2005-03-24 | 2006-01-26 | 放電ランプ点灯装置および照明装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007035610A JP2007035610A (ja) | 2007-02-08 |
JP4771073B2 true JP4771073B2 (ja) | 2011-09-14 |
Family
ID=36593672
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006017272A Expired - Fee Related JP4771073B2 (ja) | 2005-03-24 | 2006-01-26 | 放電ランプ点灯装置および照明装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7345434B2 (ja) |
EP (1) | EP1705962A3 (ja) |
JP (1) | JP4771073B2 (ja) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1903598A3 (en) * | 2006-09-22 | 2010-01-06 | Toshiba Lighting & Technology Corporation | High-pressure discharge lamp, high-pressure discharge lamp operating apparatus, and illuminating apparatus. |
EP2091304A4 (en) * | 2006-10-27 | 2011-04-27 | Toshiba Lighting & Technology | HIGH-PRESSURE DISCHARGE LAMP, ILLUMINATOR AND HIGH-PRESSURE DISCHARGE LAMP UNIT |
EP2112684A3 (en) * | 2008-04-25 | 2010-06-16 | Toshiba Lighting & Technology Corporation | High-pressure discharge lamp and lighting equipment |
EP2124510B1 (de) * | 2008-05-16 | 2013-01-02 | Infineon Technologies Austria AG | Verfahren zur Ansteuerung einer Leuchtstofflampe und Lampenvorschaltgerät |
US20100033106A1 (en) * | 2008-08-08 | 2010-02-11 | Toshiba Lighting & Technology Corporation | High-pressure discharge lamp, high-pressure discharge lamp lighting system and lighting equipment |
CN102026460A (zh) * | 2009-09-15 | 2011-04-20 | 成都芯源***有限公司 | 冷阴极荧光灯驱动电路控制方法及控制电路 |
US20120161655A1 (en) * | 2010-12-22 | 2012-06-28 | Osram Sylvania Inc. | Ballast with anti-striation circuit |
JP5884046B2 (ja) * | 2011-10-24 | 2016-03-15 | パナソニックIpマネジメント株式会社 | 点灯装置および、これを用いた照明器具 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5063490A (en) * | 1989-04-25 | 1991-11-05 | Matsushita Electric Works Ltd. | Regulated chopper and inverter with shared switches |
US5173643A (en) * | 1990-06-25 | 1992-12-22 | Lutron Electronics Co., Inc. | Circuit for dimming compact fluorescent lamps |
US5189343A (en) * | 1991-08-27 | 1993-02-23 | Everbrite, Inc. | High frequency luminous tube power supply having neon-bubble and mercury-migration suppression |
JPH06283286A (ja) * | 1993-03-29 | 1994-10-07 | Toshiba Lighting & Technol Corp | 放電灯点灯装置 |
TW302591B (ja) * | 1993-06-24 | 1997-04-11 | Samsung Electronics Co Ltd | |
DE4410492A1 (de) * | 1994-03-25 | 1995-09-28 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | Schaltungsanordnung zum Betrieb von Niederdruckentladungslampen |
DE4437453A1 (de) * | 1994-10-19 | 1996-04-25 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | Verfahren zum Betrieb einer Entladungslampe und Schaltungsanordnung zum Betrieb einer Entladungslampe |
JPH08138876A (ja) * | 1994-11-16 | 1996-05-31 | Minebea Co Ltd | 圧電トランスを使用した冷陰極管点灯装置 |
US5719471A (en) * | 1996-12-09 | 1998-02-17 | General Electric Company | Three-way dimming circuit for compact fluorescent lamp |
DE19701796A1 (de) * | 1997-01-20 | 1998-07-23 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | Elektrische Leuchte |
JPH1126180A (ja) * | 1997-06-27 | 1999-01-29 | Matsushita Electric Works Ltd | 放電灯点灯装置 |
JP2000012260A (ja) * | 1998-06-25 | 2000-01-14 | Matsushita Electric Works Ltd | 放電灯点灯装置 |
DE19922039A1 (de) * | 1999-05-12 | 2000-11-16 | Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh | Vorschaltgerät für mindestens eine Gasentladungslampe und Verfahren zum Betreiben eines derartigen Vorschaltgeräts |
JP3654089B2 (ja) * | 1999-10-26 | 2005-06-02 | 松下電工株式会社 | 電源装置 |
JP2005183067A (ja) * | 2003-12-17 | 2005-07-07 | Toshiba Lighting & Technology Corp | 放電灯点灯装置及び照明装置 |
US7098605B2 (en) * | 2004-01-15 | 2006-08-29 | Fairchild Semiconductor Corporation | Full digital dimming ballast for a fluorescent lamp |
-
2006
- 2006-01-26 JP JP2006017272A patent/JP4771073B2/ja not_active Expired - Fee Related
- 2006-03-23 EP EP06005955A patent/EP1705962A3/en not_active Withdrawn
- 2006-03-24 US US11/388,198 patent/US7345434B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US7345434B2 (en) | 2008-03-18 |
US20060226794A1 (en) | 2006-10-12 |
EP1705962A2 (en) | 2006-09-27 |
JP2007035610A (ja) | 2007-02-08 |
EP1705962A3 (en) | 2007-11-14 |
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