JP2006511078A - Led照明モジュール用の給電アッセンブリ - Google Patents
Led照明モジュール用の給電アッセンブリ Download PDFInfo
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- JP2006511078A JP2006511078A JP2004561838A JP2004561838A JP2006511078A JP 2006511078 A JP2006511078 A JP 2006511078A JP 2004561838 A JP2004561838 A JP 2004561838A JP 2004561838 A JP2004561838 A JP 2004561838A JP 2006511078 A JP2006511078 A JP 2006511078A
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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
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/30—Driver circuits
- H05B45/32—Pulse-control circuits
- H05B45/327—Burst dimming
-
- 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
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/10—Controlling the intensity of the light
-
- 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
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/30—Driver circuits
- H05B45/37—Converter circuits
-
- 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
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/30—Driver circuits
- H05B45/37—Converter circuits
- H05B45/3725—Switched mode power supply [SMPS]
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2107/00—Use or application of lighting devices on or in particular types of vehicles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2111/00—Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in codes F21W2102/00 – F21W2107/00
- F21W2111/02—Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in codes F21W2102/00 – F21W2107/00 for roads, paths or the like
-
- 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
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/30—Driver circuits
- H05B45/37—Converter circuits
- H05B45/3725—Switched mode power supply [SMPS]
- H05B45/375—Switched mode power supply [SMPS] using buck topology
Abstract
Description
Claims (6)
- LED照明モジュール用の給電アッセンブリであって、
第1及び第2供給端子を有する直流電源と、
前記第1及び第2供給端子に接続されたスイッチモードコンバータとを具え、前記スイッチモードコンバータが、前記スイッチモードコンバータに対して接続可能なLED照明モジュールに給電し、前記スイッチモードコンバータが、前記第1及び第2供給端子のうちの少なくとも一方に結合された制御可能なスイッチを具え、前記制御可能なスイッチが、前記直流電源に切替自在に接続し、
前記制御可能なスイッチの切替を制御するコントローラを更に具え、前記コントローラが、デュアルパルス幅変調スイッチング信号を二つの周波数で前記制御可能なスイッチに供給する手段を有し、これら二つの周波数が、前記LED照明モジュールのLED電流の大きさを制御する高周波パルス幅変調スイッチング信号成分と、前記LED電流の持続時間を制御する低周波パルス幅変調スイッチング信号成分とを有することを特徴とする給電アッセンブリ。 - LED照明モジュール用の給電アッセンブリであって、
第1及び第2供給端子を有する直流電源と、
前記直流電源の第1及び第2供給端子の間に接続されたダイオード及び制御可能なスイッチの直列配置と、
前記直流電源の第1供給端子を第1出力端子に接続し、前記ダイオードと前記制御可能なスイッチとの間のノードが第2出力端子を形成し、前記LED照明モジュールを前記第1及び第2出力端子間で接続可能にするインダクタと、
前記制御可能なスイッチの切替を制御するコントローラとを具え、前記コントローラが、デュアルパルス幅変調スイッチング信号を二つの周波数で前記制御可能なスイッチに供給する手段を有し、これら二つの周波数が、前記LED照明モジュールのLED電流の大きさを制御する高周波パルス幅変調スイッチング信号成分と、前記LED電流の持続時間を制御する低周波パルス幅変調スイッチング信号成分とを有することを特徴とする給電アッセンブリ。 - 前記コントローラが、LED電流を表す検知電流を受信する入力部と、前記低周波パルス幅変調スイッチング信号成分を、前記検知電流に依存して変更する手段とを更に具えることを特徴とする請求項2記載の給電アッセンブリ。
- 前記コントローラが、
基準電流を発生する電流源と、
高周波のこぎり波信号を発生するソースと、
前記検知電流、前記基準電流及び前記高周波のこぎり波信号を受信するように結合され、前記高周波PWMスイッチング信号成分を発生する電流モードパルス幅変調器と、
前記低周波PWMスイッチング信号成分のソースと、
前記高周波PWMスイッチング信号成分を受信する第1入力部及び前記低周波PWMスイッチング信号成分を受信する第2入力部を有し、前記デュアルPWMスイッチング信号を発生するANDゲートとを具えることを特徴とする請求項3記載の給電アッセンブリ。 - 前記コントローラが、
電圧基準信号及び高周波のこぎり波信号を受信する加算器と、
前記加算器の出力部に結合された反転入力部及び前記検知電流を受信するように結合された非反転入力部を有するコンパレータと、
前記コンパレータの出力部に結合されたリセット入力部及び高周波クロック信号を受信するように結合されたセット入力部を有するRSフリップ−フロップと、
前記RSフリップ−フロップの出力部に結合された第1入力部及び低周波PWMスイッチング信号成分を受信するように結合された第2入力部を有し、前記デュアルPWMスイッチング信号を発生するANDゲートとを具えることを特徴とする請求項3記載の給電アッセンブリ。 - 前記コントローラが、
前記検知電流を受信するように結合され、前記検知電流の平均を形成する積分器と、
発生した低周波のこぎり波信号を変更する可変ユーザ制御入力部を有する低周波のこぎり波発生器と、
第1基準電流源と、
前記検知電流の平均、前記低周波のこぎり波信号及び前記第1基準電流を受信するように結合され、前記検知電流の平均及び前記低周波のこぎり波信号に依存して、発生した低周波PWMスイッチング信号成分のパルス幅を変更する低周波パルス幅変調器と、
前記検知電流を受信するように結合され、前記検知電流のピーク電流信号を発生するサンプル−ホールド回路と、
第2基準電流源と、
高周波のこぎり波信号を発生する高周波のこぎり波発生器と、
前記ピーク電流信号、前記第2基準電流及び前記高周波のこぎり波信号を受信するように結合され、前記ピーク電流信号及び前記高周波のこぎり波信号に依存して、発生した高周波PWMスイッチング信号成分のパルス幅を変更する高周波パルス幅変調器と、
前記低周波PWMスイッチング信号成分を受信する第1入力部及び前記高周波PWMスイッチング信号成分を受信する第2入力部を有し、前記デュアルPWMスイッチング信号を発生するANDゲートとを具えることを特徴とする請求項3記載の給電アッセンブリ。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/323,445 | 2002-12-19 | ||
US10/323,445 US7071762B2 (en) | 2001-01-31 | 2002-12-19 | Supply assembly for a led lighting module |
PCT/IB2003/005944 WO2004057921A1 (en) | 2002-12-19 | 2003-12-11 | Supply assembly for a led lighting module |
Publications (2)
Publication Number | Publication Date |
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JP2006511078A true JP2006511078A (ja) | 2006-03-30 |
JP4901104B2 JP4901104B2 (ja) | 2012-03-21 |
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Application Number | Title | Priority Date | Filing Date |
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JP2004561838A Expired - Lifetime JP4901104B2 (ja) | 2002-12-19 | 2003-12-11 | Led照明モジュール用の給電アッセンブリ |
Country Status (10)
Country | Link |
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US (1) | US7071762B2 (ja) |
EP (1) | EP1576858B1 (ja) |
JP (1) | JP4901104B2 (ja) |
KR (1) | KR100978019B1 (ja) |
CN (1) | CN1729722B (ja) |
AT (1) | ATE416596T1 (ja) |
AU (1) | AU2003286338A1 (ja) |
DE (2) | DE60325093C5 (ja) |
ES (1) | ES2318177T3 (ja) |
WO (1) | WO2004057921A1 (ja) |
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Also Published As
Publication number | Publication date |
---|---|
ATE416596T1 (de) | 2008-12-15 |
KR100978019B1 (ko) | 2010-08-25 |
DE60325093C5 (de) | 2025-06-18 |
CN1729722A (zh) | 2006-02-01 |
ES2318177T3 (es) | 2009-05-01 |
WO2004057921A1 (en) | 2004-07-08 |
JP4901104B2 (ja) | 2012-03-21 |
CN1729722B (zh) | 2010-06-09 |
AU2003286338A1 (en) | 2004-07-14 |
US7071762B2 (en) | 2006-07-04 |
EP1576858B1 (en) | 2008-12-03 |
EP1576858A1 (en) | 2005-09-21 |
US20030085749A1 (en) | 2003-05-08 |
KR20050085774A (ko) | 2005-08-29 |
DE60325093D1 (de) | 2009-01-15 |
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