JP2008527630A - 低いランプアーク電流を有する陰極電圧を制御する方法 - Google Patents
低いランプアーク電流を有する陰極電圧を制御する方法 Download PDFInfo
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- JP2008527630A JP2008527630A JP2007549503A JP2007549503A JP2008527630A JP 2008527630 A JP2008527630 A JP 2008527630A JP 2007549503 A JP2007549503 A JP 2007549503A JP 2007549503 A JP2007549503 A JP 2007549503A JP 2008527630 A JP2008527630 A JP 2008527630A
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- lamp
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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
- H05B41/295—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
-
- 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
- H05B41/2988—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the lamp against abnormal operating conditions
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/0003—Details of control, feedback or regulation circuits
- H02M1/0006—Arrangements for supplying an adequate voltage to the control circuit of converters
Landscapes
- Circuit Arrangements For Discharge Lamps (AREA)
Abstract
【解決手段要約】1つの例示の実施形態によると、陰極温度を熱電子放出温度に至るまで急速に引き上げるために陰極電流が最大レベルに制御される。ランプの点孤の後で、外部陰極加熱の電圧を低減させるために陰極電圧低減回路が使用される。第2の例示の実施形態によると、電力がIC(110)を介して力率補正回路(106)に供給される。最後に、第3の開示された実施形態は、1本または複数本のランプ(114)への電力供給に関連する様々な有害な寄生容量の影響からランプの感度を抑制するように対処する。
【選択図】図1
Description
Claims (22)
- 少なくとも1本のランプ(114)に電力を供給するように設計された安定器(100)であって、
少なくとも1つの電源から交流を受電し、前記交流を直流に変換するように構成されたアクティブ力率補正(PFC)回路(106)と、
前記力率補正回路(106)の動作を制御するように構成された集積チップ(110)と、
前記集積チップ(110)に電力を供給するように構成された電源構成要素(102)と
を備え、
前記電源構成要素(102)は、安定器(100)の全点弧時間を短縮するために加速電源回路(112、202)を使用する安定器(100)。 - 前記少なくとも1つの電源(102)から信号を受信し出力を前記PFC回路(106)に供給する電磁障害フィルタ(104)をさらに備える請求項1記載のシステム。
- 前記PFC回路(106)からの出力を受電する電流給電インバータ(108)をさらに備える請求項1記載のシステム。
- 前記電流給電インバータ(108)は、ハーフブリッジ電流給電インバータ、電流給電プッシュプルインバータ、ハーフブリッジ電圧給電インバータおよびフルブリッジ電圧給電インバータのうちの1つである請求項3記載のシステム。
- 前記PFC回路(106)から信号を受信し前記ランプ(114)の光出力中の明暗勾配差を除去するストリエーション制御構成要素(120)をさらに備える請求項1記載のシステム。
- 前記ストリエーション制御構成要素(120)は偶高調波注入を使用する請求項5記載のシステム。
- 前記PFC回路(106)から信号を受信し前記ランプ(114)の陰極に予熱電流がどれくらいの間印加されるべきか時間を決めるように構成された開放電圧/予熱タイミング構成要素(116)をさらに備える請求項1記載のシステム。
- 前記少なくとも1本のランプ(114)を点孤させ定常状態で動作させるために動作電圧が印加されるに先立って、予熱電流を前記少なくとも1本のランプ(114)に印加するように構成された陰極電流コントローラ(118)をさらに備える請求項1記載のシステム。
- 前記安定器(100)に接続された各ランプ(114)が互いから独立に動作できるように設計されたバッファ回路をさらに備える請求項1記載のシステム。
- 前記陰極電流は陰極温度を熱電子放出温度に至るまで引き上げるために制御される請求項1記載のシステム。
- 前記陰極の前記熱電子放出温度は、冷陰極抵抗に対する最終熱陰極抵抗の比が摂氏約25度において約5より大きくなるときに到達される請求項10記載のシステム。
- ランプが点孤された後で外部陰極加熱回路の電圧を低減する陰極電圧低減回路をさらに備える請求項1記載のシステム。
- 定常状態動作の間は前記安定器に接続されたランプの本数に関わらず一定の陰極加熱が行われるように前記陰極温度を熱電子温度に至るまで引き上げるように設計された2水準陰極加熱構成(300)をさらに含む請求項12記載のシステム。
- 前記電源回路は第1キャパシタ(C15)と並列に接続されたツェナーダイオード(D8)をさらに備え、前記第1キャパシタ(C15)の一端は第2キャパシタ(C10)に他端は第3キャパシタ(C11)に接続され、次にインダクタ(T1)に向かう前記第2(C10)キャパシタと第3(C11)キャパシタとの間の接続を有し、前記インダクタ(T1)は第4キャパシタ(C16)と抵抗(R15)とから成るRC回路に接続され、前記RC回路の他の側は、前記第2キャパシタ(C10)および第3キャパシタ(C11)にそれぞれ接続される2つのダイオード(D5、D6)に接続される、請求項1記載のシステム。
- 前記少なくとも1つの電源と関連する共振寄生容量によって生成される内部雑音を最小化するように設計された感度抑制構成要素(500)をさらに備える請求項1記載のシステム。
- 前記共振寄生容量は、配線長と、前記安定器に接続されたランプの本数と、管を収容するために使用される器具の形式と、のうちの少なくとも1つによって引き起こされる請求項15記載のシステム。
- 前記予熱フェーズおよび正規点灯フェーズのうちの少なくとも1つのフェーズの間で感度抑制が行われる請求項15記載のシステム。
- 前記感度抑制構成要素は定格交流250ボルトで1500pFのキャパシタを備える請求項15記載のシステム。
- 安定器(100)に接続された少なくとも1本のランプ(114)の陰極電圧を制御する方法であって、
電源(102)から電力を受電する段階と、
陰極温度を熱電子加熱温度に至るまで引き上げるために陰極電流を制御する段階と、
前記少なくとも1本のランプ(114)を点孤させる段階と、
前記少なくとも1本のランプと関連する少なくとも1つの陰極の電圧レベルを低減させる段階と
を含む方法。 - 前記電源(102)から受電した前記電力の力率を補正する段階をさらに含む請求項19記載の方法。
- 前記電源(102)から受電した前記電力の前記力率の前記補正を制御する段階をさらに含む請求項20記載の方法。
- 前記少なくとも1本のランプと関連する1つまたは複数の寄生容量の影響から前記安定器(100)を感度抑制する段階をさらに含む請求項19記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US64039004P | 2004-12-30 | 2004-12-30 | |
US11/063,079 US7420336B2 (en) | 2004-12-30 | 2005-02-22 | Method of controlling cathode voltage with low lamp's arc current |
PCT/US2005/046713 WO2006073881A2 (en) | 2004-12-30 | 2005-12-21 | Method of controlling cathode voltage with low lamp's arc current |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008527630A true JP2008527630A (ja) | 2008-07-24 |
JP2008527630A5 JP2008527630A5 (ja) | 2009-02-26 |
Family
ID=36143319
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2007549503A Pending JP2008527630A (ja) | 2004-12-30 | 2005-12-21 | 低いランプアーク電流を有する陰極電圧を制御する方法 |
Country Status (8)
Country | Link |
---|---|
US (1) | US7420336B2 (ja) |
EP (1) | EP1834513A2 (ja) |
JP (1) | JP2008527630A (ja) |
CN (1) | CN101112129B (ja) |
AU (1) | AU2005323054A1 (ja) |
CA (1) | CA2592008A1 (ja) |
RU (1) | RU2007128966A (ja) |
WO (1) | WO2006073881A2 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN101675714A (zh) * | 2007-03-08 | 2010-03-17 | Cp环境技术有限公司 | 改进的照明装置 |
KR101005557B1 (ko) | 2010-08-31 | 2011-01-10 | (주)지에이티 | 냉음극 형광 램프용 전자식 안정기 |
CN111614231A (zh) * | 2020-06-18 | 2020-09-01 | 福建省中科生物股份有限公司 | 一种可组网灯具和灯组网系统 |
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Also Published As
Publication number | Publication date |
---|---|
EP1834513A2 (en) | 2007-09-19 |
AU2005323054A1 (en) | 2006-07-13 |
WO2006073881A3 (en) | 2006-10-12 |
RU2007128966A (ru) | 2009-02-10 |
CN101112129B (zh) | 2011-09-28 |
US20060145633A1 (en) | 2006-07-06 |
CN101112129A (zh) | 2008-01-23 |
CA2592008A1 (en) | 2006-07-13 |
US7420336B2 (en) | 2008-09-02 |
WO2006073881A2 (en) | 2006-07-13 |
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