JP2011018644A - 発光ダイオード照明装置とその電流制御方法 - Google Patents
発光ダイオード照明装置とその電流制御方法 Download PDFInfo
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- JP2011018644A JP2011018644A JP2010153759A JP2010153759A JP2011018644A JP 2011018644 A JP2011018644 A JP 2011018644A JP 2010153759 A JP2010153759 A JP 2010153759A JP 2010153759 A JP2010153759 A JP 2010153759A JP 2011018644 A JP2011018644 A JP 2011018644A
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- light
- emitting diode
- frequency
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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
- H05B45/37—Converter circuits
-
- 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
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
Abstract
【解決手段】電力出力線30によって駆動モジュール10と最低一つの発光ダイオード灯体20の電気的接続を形成するものであり、前記駆動モジュール10は周波数変換方式を使い電圧値30V以上、周波数72Hz以上の高周波交流電源を出力し、各発光ダイオード灯体20は最低一つの発光ダイオード部品21と整流モジュール22を備え、整流モジュール22を通して駆動モジュール10からの高周波交流電源を直流電源に変換して発光ダイオード部品21を動作させ、効果的に光源のちらつき現象を改善できるほか、各発光ダイオード灯体内部へのフィルター構築を省き、迅速な製品開発とコストダウンを実現する。
【選択図】図1
Description
a.周波数変換方式により住宅用交流電源(図6参照。110/60Hzの交流電源)をまず直流電圧に変換し、更にそれを電圧値30V以上、周波数72Hz以上の周波数変更可能な高周波交流電源に変換する(図中の35V/75Hz)。
b.整流モジュールにより電圧値30V以上、周波数72Hz以上の周波数変更可能な高周波交流電源を直流電源に変換し(図中の電圧は20V乃至50V、周波数75Hzの直流電源)、 発光ダイオード部品を作動させる。
11 制御回路
12 コンバータ
13 平衡回路
14 インバータ
20 発光ダイオード灯体
21 発光ダイオード部品
22 整流モジュール
23 変圧モジュール
30 電力出力線
Claims (6)
- 電圧値30v以上、周波数72Hz以上の高周波交流電源を出力する駆動モジュールと、
最低一つの発光ダイオード部品及び整流モジュールを備え、前記整流モジュールを通して前記駆動モジュールからの高周波交流電源を直流電源に変換して最低一つの発光ダイオード部品を作動させる最低一つの発光ダイオード灯体と、
前記駆動モジュールと最低一つの発光ダイオード灯体に電気的接続を形成させる最低一つの電力出力線とにより構成される発光ダイオード照明装置。 - 前記駆動モジュール内部には制御回路、コンバータ、平衡回路、及びインバータを整合させることを特徴とする請求項1記載の発光ダイオード照明装置。
- 前記発光ダイオード灯体は変圧モジュールを備え、前記駆動モジュールからの高周波交流電源に対する昇圧或いは降圧を行うことを特徴とする請求項1記載の発光ダイオード照明装置。
- (a)交流電源を電圧値30V以上、周波数72Hz以上の周波数変更可能な高周波交流電源に変換し、
(b)高周波交流電源を直流電源に変換し発光ダイオード部品を作動させるステップを含む発光ダイオード照明装置の電流制御方法。 - 直流電源の電圧は20V乃至50V間であることを特徴とする請求項4記載の発光ダイオード照明装置の電流制御方法。
- 前記ステップ(a)においてまず交流電源を直流電源に変換し、周波数変換方式によって更に電圧値30V以上、周波数72Hz以上の周波数調整可能な高周波交流電源に変換することを特徴とする請求項4記載の発光ダイオード照明装置の電流制御方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW098123213A TWI489903B (zh) | 2009-07-09 | 2009-07-09 | Light emitting diode lighting device and its current control method |
TW098123213 | 2009-07-09 |
Publications (2)
Publication Number | Publication Date |
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JP2011018644A true JP2011018644A (ja) | 2011-01-27 |
JP5395755B2 JP5395755B2 (ja) | 2014-01-22 |
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Application Number | Title | Priority Date | Filing Date |
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JP2010153759A Expired - Fee Related JP5395755B2 (ja) | 2009-07-09 | 2010-07-06 | 発光ダイオード照明装置とその電流制御方法 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20110006703A1 (ja) |
EP (1) | EP2280582A1 (ja) |
JP (1) | JP5395755B2 (ja) |
TW (1) | TWI489903B (ja) |
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CN103561507A (zh) * | 2013-09-30 | 2014-02-05 | 常州市巨泰电子有限公司 | Led灯串单路带控电路及控制方法 |
CN104320888A (zh) * | 2014-11-07 | 2015-01-28 | 广西大学 | 一种定时声控灯 |
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US8926139B2 (en) * | 2009-05-01 | 2015-01-06 | Express Imaging Systems, Llc | Gas-discharge lamp replacement with passive cooling |
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CN104320888A (zh) * | 2014-11-07 | 2015-01-28 | 广西大学 | 一种定时声控灯 |
Also Published As
Publication number | Publication date |
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EP2280582A1 (de) | 2011-02-02 |
TWI489903B (zh) | 2015-06-21 |
JP5395755B2 (ja) | 2014-01-22 |
TW201103358A (en) | 2011-01-16 |
US20110006703A1 (en) | 2011-01-13 |
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