JP2012003899A - 放電灯点灯装置 - Google Patents
放電灯点灯装置 Download PDFInfo
- Publication number
- JP2012003899A JP2012003899A JP2010136459A JP2010136459A JP2012003899A JP 2012003899 A JP2012003899 A JP 2012003899A JP 2010136459 A JP2010136459 A JP 2010136459A JP 2010136459 A JP2010136459 A JP 2010136459A JP 2012003899 A JP2012003899 A JP 2012003899A
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- JP
- Japan
- Prior art keywords
- discharge lamp
- frequency
- current
- lighting device
- inverter
- 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.)
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Classifications
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- 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
- H05B41/2885—Static converters especially adapted therefor; Control thereof
- H05B41/2887—Static converters especially adapted therefor; Control thereof characterised by a controllable bridge in the final stage
-
- 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
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- Circuit Arrangements For Discharge Lamps (AREA)
Abstract
【解決手段】放電灯16に極性を反転した交流電流を供給するインバータ11と、放電灯16を点灯に至らせる始動回路12として、高圧パルストランス35を備えた放電灯点灯装置において、放電灯16を点灯させている状態で、この放電灯16に供給する電流の周波数を逐次変動させる周波数変動手段48を備えている。このようにすると、放電灯16を点灯させている状態で、その放電灯16に与えられる電流の周波数は一定ではなく、逐次変動することから、高圧パルストランス35の磁心34に発生する磁束が同じ周波数で繰り返し反転するのを防いで、不快な音のレベルを効果的に低減することができる。
【選択図】図1
Description
12 始動回路
16 放電灯
35 高圧パルストランス(誘導性素子)
48 周波数変動手段
Claims (2)
- 放電灯に極性を反転した電流を供給する出力回路と、
前記放電灯を点灯に至らせる始動回路として、前記出力回路と前記放電灯との間に接続される誘導性素子とを備えた放電灯点灯装置において、
前記放電灯を点灯させている状態で、前記放電灯に供給する電流の周波数を逐次変動させる周波数変動手段を備えたことを特徴とする放電灯点灯装置。 - 前記周波数変動手段は、前記電流の周波数を基本周波数に対して±10%の範囲内で逐次変動させるものであることを特徴とする請求項1記載の放電灯点灯装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010136459A JP2012003899A (ja) | 2010-06-15 | 2010-06-15 | 放電灯点灯装置 |
US13/161,152 US20110304275A1 (en) | 2010-06-15 | 2011-06-15 | Discharge lamp lighting device |
CN2011101605879A CN102291911A (zh) | 2010-06-15 | 2011-06-15 | 放电灯点亮装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010136459A JP2012003899A (ja) | 2010-06-15 | 2010-06-15 | 放電灯点灯装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2012003899A true JP2012003899A (ja) | 2012-01-05 |
Family
ID=45095689
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010136459A Pending JP2012003899A (ja) | 2010-06-15 | 2010-06-15 | 放電灯点灯装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US20110304275A1 (ja) |
JP (1) | JP2012003899A (ja) |
CN (1) | CN102291911A (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104968066A (zh) * | 2014-12-12 | 2015-10-07 | 武汉绿鼎天舒科技发展有限公司 | 一种可伸缩照明装置 |
US9991049B2 (en) * | 2015-12-10 | 2018-06-05 | William Henry Morong | Correlation-evading commutated-element direct-current current transformer |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0794293A (ja) * | 1993-09-24 | 1995-04-07 | Iwasaki Electric Co Ltd | 放電灯点灯装置 |
JPH08180987A (ja) * | 1994-12-27 | 1996-07-12 | Matsushita Electric Works Ltd | 放電灯点灯装置 |
JP2006140016A (ja) * | 2004-11-11 | 2006-06-01 | Matsushita Electric Ind Co Ltd | 高圧放電ランプ点灯装置、高圧放電ランプ装置、投射型画像表示装置及び高圧放電ランプ点灯方法 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0766864B2 (ja) * | 1989-07-28 | 1995-07-19 | 東芝ライテック株式会社 | 放電灯点灯装置 |
US5932976A (en) * | 1997-01-14 | 1999-08-03 | Matsushita Electric Works R&D Laboratory, Inc. | Discharge lamp driving |
KR101025173B1 (ko) * | 2002-07-22 | 2011-03-31 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 가스 방전 램프를 위한 드라이버와 전류를 감지하고 출력 신호를 생성하기 위한 검출기 |
WO2004066687A1 (ja) * | 2003-01-17 | 2004-08-05 | Matsushita Electric Works, Ltd. | 放電灯点灯装置、照明装置、プロジェクタ |
JP4244893B2 (ja) * | 2004-09-14 | 2009-03-25 | セイコーエプソン株式会社 | 周波数制御による放電ランプの点灯 |
JP2006324035A (ja) * | 2005-05-17 | 2006-11-30 | Koito Mfg Co Ltd | 放電灯点灯回路 |
JP4462119B2 (ja) * | 2005-06-10 | 2010-05-12 | セイコーエプソン株式会社 | バラスト及びプロジェクタ |
WO2007138549A1 (en) * | 2006-05-31 | 2007-12-06 | Koninklijke Philips Electronics N.V. | Lamp driving circuit |
JP2010509718A (ja) * | 2006-11-09 | 2010-03-25 | オスラム ゲゼルシャフト ミット ベシュレンクテル ハフツング | 放電ランプの点弧回路装置 |
CA2722351A1 (en) * | 2008-04-24 | 2009-10-29 | Panasonic Electric Works Co., Ltd. | High pressure discharge lamp lighting apparatus and lighting fixture |
CN101321423B (zh) * | 2008-07-10 | 2012-05-16 | 苏州金三元照明电器有限公司 | 路灯电子镇流器 |
-
2010
- 2010-06-15 JP JP2010136459A patent/JP2012003899A/ja active Pending
-
2011
- 2011-06-15 US US13/161,152 patent/US20110304275A1/en not_active Abandoned
- 2011-06-15 CN CN2011101605879A patent/CN102291911A/zh active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0794293A (ja) * | 1993-09-24 | 1995-04-07 | Iwasaki Electric Co Ltd | 放電灯点灯装置 |
JPH08180987A (ja) * | 1994-12-27 | 1996-07-12 | Matsushita Electric Works Ltd | 放電灯点灯装置 |
JP2006140016A (ja) * | 2004-11-11 | 2006-06-01 | Matsushita Electric Ind Co Ltd | 高圧放電ランプ点灯装置、高圧放電ランプ装置、投射型画像表示装置及び高圧放電ランプ点灯方法 |
Also Published As
Publication number | Publication date |
---|---|
CN102291911A (zh) | 2011-12-21 |
US20110304275A1 (en) | 2011-12-15 |
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