JP5667290B2 - 照明ユニットのための減光可能ドライバのための能動的ダンピング - Google Patents
照明ユニットのための減光可能ドライバのための能動的ダンピング Download PDFInfo
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- JP5667290B2 JP5667290B2 JP2013519168A JP2013519168A JP5667290B2 JP 5667290 B2 JP5667290 B2 JP 5667290B2 JP 2013519168 A JP2013519168 A JP 2013519168A JP 2013519168 A JP2013519168 A JP 2013519168A JP 5667290 B2 JP5667290 B2 JP 5667290B2
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Images
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
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/30—Driver circuits
- H05B45/37—Converter circuits
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/001—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection limiting speed of change of electric quantities, e.g. soft switching on or off
-
- 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
- H02M1/36—Means for starting or stopping converters
-
- 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
- H02M7/00—Conversion of AC power input into DC power output; Conversion of DC power input into AC power output
- H02M7/02—Conversion of AC power input into DC power output without possibility of reversal
- H02M7/04—Conversion of AC power input into DC power output without possibility of reversal by static converters
- H02M7/06—Conversion of AC power input into DC power output without possibility of reversal by static converters using discharge tubes without control electrode or semiconductor devices without control electrode
- H02M7/062—Avoiding or suppressing excessive transient voltages or currents
-
- 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
- H05B45/357—Driver circuits specially adapted for retrofit LED light sources
- H05B45/3574—Emulating the electrical or functional characteristics of incandescent lamps
- H05B45/3575—Emulating the electrical or functional characteristics of incandescent lamps by means of dummy loads or bleeder circuits, e.g. for dimmers
-
- 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]
- H05B45/50—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits
- H05B45/56—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits involving measures to prevent abnormal temperature of the LEDs
-
- 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
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/20—Responsive to malfunctions or to light source life; for protection
- H05B47/25—Circuit arrangements for protecting against overcurrent
-
- 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
- H02M3/00—Conversion of DC power input into DC power output
- H02M3/22—Conversion of DC power input into DC power output with intermediate conversion into AC
- H02M3/24—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters
- H02M3/28—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC
- H02M3/325—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal
- H02M3/335—Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Description
Claims (13)
- 少なくとも一つの光源と;
選択的に修正された正弦波信号であって、正弦波信号の各サイクルの選択可能な前端部または後端部が実質的に除去されている信号を受領し、整流された電圧を出力する整流器と;
前記少なくとも一つの光源を駆動するために前記整流器の出力電圧を適応させるDC/DC変換器と;
ダンピング回路とを有する装置であって、前記ダンピング回路は:
前記選択的に修正された正弦波信号に応じて前記整流器によって前記DC/DC変換器に出力される電流を減衰させるダンピング要素と、
前記ダンピング要素と並列に配置されたスイッチと、
前記整流器によって出力される電流を検出する検出器と、
検出された電流がある閾値を超えるときに前記スイッチをオフにして、出力される電流を前記ダンピング要素を通じて流すとともに、検出された電流が前記閾値より小さいときに前記スイッチをオンにして、出力される電流を前記ダンピング要素をバイパスして前記スイッチを通じて流すように、検出された電流に応答して前記スイッチのオン/オフを切替え制御する制御ユニットとを有する、
装置。 - 前記検出器が抵抗器である、請求項1記載の装置。
- 前記スイッチがMOSFETである、請求項1記載の装置。
- 前記検出器が前記整流器の電流出力経路と直列な抵抗器である、請求項1記載の装置。
- 前記制御ユニットが、前記抵抗器を流れる電流によってバイアスが制御されるトランジスタを有し、前記トランジスタは、検出された電流が閾値を超えるときに前記スイッチをオフにし、検出された電流が閾値より小さいときに前記スイッチをオンにして前記ダンピング要素をバイパスするよう制御するよう、前記バイアスに応答する出力を有する、請求項4記載の装置。
- 前記少なくとも一つの光源が一つまたは複数の発光ダイオードを有する、請求項1記載の装置。
- AC源と前記整流器の間に設けられた減光器をさらに有する、請求項1記載の装置。
- 少なくとも一つの光源を駆動する方法であって:
前記少なくとも一つの光源を駆動するためにAC信号をDC信号に変換するよう構成された装置中の電流が閾値を超えるかどうかを判定し;
前記電流が前記閾値を超えるときはスイッチをオフにして、前記電流をダンピング要素を通じて流すことにより前記電流をダンプさせるとともに、前記電流が前記閾値を超えないときは前記スイッチをオンにして、前記電流を前記ダンピング要素をバイパスして前記スイッチを通じて流すようにして、前記ダンピング要素が前記電流をダンプさせないように、前記電流に応答して前記スイッチのオン/オフを切替え制御することを含む、
方法。 - ユーザー入力に応じて前記光源によって放出される光を減光することをさらに含む、請求項8記載の方法。
- 正弦波電流を受け取り;
AC電源電圧および前記ユーザー入力に応答して、正弦波信号の各サイクルの前端部または後端部の少なくとも一方を実質的に除去するよう前記正弦波信号を選択的に修正し;
前記選択的に修正された正弦波信号に応じる前記AC信号に応じた整流された電圧を出力することを含む、請求項9記載の方法。 - 前記選択的に修正された正弦波信号の各サイクルの一部の間、前記電流をダンプさせ、
前記選択的に修正された正弦波信号の各サイクルの残りの間、前記ダンピング要素をバイパスすることをさらに含む、請求項10記載の方法。 - 前記電流が前記閾値を超えることが、抵抗器を用いて前記電流をサンプリングすることを含む、請求項8記載の方法。
- 前記ダンピング要素をバイパスすることが、前記ダンピング要素と並列なスイッチをつなぐことを含む、請求項8記載の方法。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010228237.7 | 2010-07-13 | ||
| CN201010228237 | 2010-07-13 | ||
| PCT/IB2010/053613 WO2012007797A1 (en) | 2010-07-13 | 2010-08-10 | Active damping for dimmable driver for lighting unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2013534038A JP2013534038A (ja) | 2013-08-29 |
| JP5667290B2 true JP5667290B2 (ja) | 2015-02-12 |
Family
ID=43629168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2013519168A Expired - Fee Related JP5667290B2 (ja) | 2010-07-13 | 2010-08-10 | 照明ユニットのための減光可能ドライバのための能動的ダンピング |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20140203721A1 (ja) |
| EP (1) | EP2594114A1 (ja) |
| JP (1) | JP5667290B2 (ja) |
| CN (1) | CN103004289B (ja) |
| BR (1) | BR112013000680A2 (ja) |
| WO (1) | WO2012007797A1 (ja) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103052200B (zh) * | 2011-10-13 | 2016-04-20 | 欧司朗股份有限公司 | 照明控制系统及其控制方法 |
| CN103516184A (zh) * | 2012-06-21 | 2014-01-15 | 快捷韩国半导体有限公司 | 有源阻尼电路、有源阻尼方法、包括该有源阻尼电路的电源装置 |
| TWI465150B (zh) * | 2012-10-19 | 2014-12-11 | Lextar Electronics Corp | 調光電路及應用其之照明系統 |
| US9474122B2 (en) | 2012-11-06 | 2016-10-18 | Koninklijke Philips N.V. | Circuit arrangement and led lamp comprising the same |
| US9282598B2 (en) * | 2013-03-15 | 2016-03-08 | Koninklijke Philips N.V. | System and method for learning dimmer characteristics |
| CN104427710B (zh) * | 2013-08-30 | 2020-08-07 | 通用电气公司 | 用于可调光低电压发光二极管(led)灯的驱动器的有源阻尼和额外负载电路 |
| US20160218626A1 (en) * | 2015-01-26 | 2016-07-28 | Power Integrations, Inc. | Damper circuit for switched dimming |
| US10225908B2 (en) | 2015-02-25 | 2019-03-05 | Osram Sylvania Inc. | Active damping circuit |
| CN106714401A (zh) * | 2015-08-14 | 2017-05-24 | 通用电气照明解决方案有限公司 | 一种阻尼电路、led驱动器和led照明系统 |
| US11539297B2 (en) * | 2017-07-17 | 2022-12-27 | Npc Tech Aps | DC-DC power converter with improved output current resolution |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05146143A (ja) * | 1991-11-20 | 1993-06-11 | Hitachi Metals Ltd | 突入電流防止回路 |
| JPH0670457A (ja) * | 1992-08-17 | 1994-03-11 | Mitsubishi Electric Corp | 電流制限回路 |
| CA2536307C (en) * | 2004-05-19 | 2015-07-07 | Goeken Group Corp. | Dynamic snubbing for led lighting converter |
| JP4451376B2 (ja) * | 2005-11-04 | 2010-04-14 | 株式会社小糸製作所 | 車両用灯具の点灯制御装置 |
| US7656103B2 (en) * | 2006-01-20 | 2010-02-02 | Exclara, Inc. | Impedance matching circuit for current regulation of solid state lighting |
| JP2008306799A (ja) * | 2007-06-05 | 2008-12-18 | Canon Inc | 電源装置、電源装置の制御方法、プログラム、及び記憶媒体 |
| US8212491B2 (en) * | 2008-07-25 | 2012-07-03 | Cirrus Logic, Inc. | Switching power converter control with triac-based leading edge dimmer compatibility |
| US8410717B2 (en) * | 2009-06-04 | 2013-04-02 | Point Somee Limited Liability Company | Apparatus, method and system for providing AC line power to lighting devices |
| US8264165B2 (en) * | 2009-06-30 | 2012-09-11 | Linear Technology Corporation | Method and system for dimming an offline LED driver |
-
2010
- 2010-08-10 US US13/809,284 patent/US20140203721A1/en not_active Abandoned
- 2010-08-10 WO PCT/IB2010/053613 patent/WO2012007797A1/en not_active Ceased
- 2010-08-10 BR BR112013000680A patent/BR112013000680A2/pt not_active IP Right Cessation
- 2010-08-10 EP EP10752197.3A patent/EP2594114A1/en not_active Withdrawn
- 2010-08-10 JP JP2013519168A patent/JP5667290B2/ja not_active Expired - Fee Related
- 2010-08-10 CN CN201080068036.3A patent/CN103004289B/zh not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN103004289A (zh) | 2013-03-27 |
| WO2012007797A1 (en) | 2012-01-19 |
| BR112013000680A2 (pt) | 2016-05-31 |
| CN103004289B (zh) | 2016-08-17 |
| US20140203721A1 (en) | 2014-07-24 |
| EP2594114A1 (en) | 2013-05-22 |
| JP2013534038A (ja) | 2013-08-29 |
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