JP2006139755A5 - - Google Patents

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Publication number
JP2006139755A5
JP2006139755A5 JP2005276415A JP2005276415A JP2006139755A5 JP 2006139755 A5 JP2006139755 A5 JP 2006139755A5 JP 2005276415 A JP2005276415 A JP 2005276415A JP 2005276415 A JP2005276415 A JP 2005276415A JP 2006139755 A5 JP2006139755 A5 JP 2006139755A5
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JP
Japan
Prior art keywords
current
led
circuit
lighting device
constant
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Pending
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JP2005276415A
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Japanese (ja)
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JP2006139755A (en
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Priority to JP2005276415A priority Critical patent/JP2006139755A/en
Priority claimed from JP2005276415A external-priority patent/JP2006139755A/en
Publication of JP2006139755A publication Critical patent/JP2006139755A/en
Publication of JP2006139755A5 publication Critical patent/JP2006139755A5/ja
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Claims (6)

交流定電流電源から出力される電流を絶縁カレントトランスを介して入力し整流する整流器と；
前記整流器で整流された電流を平滑する平滑素子と；
前記平滑素子で平滑された電圧をＬＥＤに印加し、ＬＥＤに印加する電圧が所定値以上になると回路の入力電流をバイパスするバイパス回路を有し、このバイパス回路に流れる電流を調整してＬＥＤに印加される電圧が一定となるような負荷調整回路と；
前記交流定電流電源から供給される電流を電流検出器を介して入力し、入力された電流を検出する入力電流検出回路と；
前記交流定電流電源から供給される所定の電流に対し、所定の明るさになるようにＬＥＤの電流をデューティ制御するデューティ制御回路と；
を備えたことを特徴とするＬＥＤ点灯装置。 A rectifier for rectifying the current output from the AC constant current power supply through an insulated current transformer;
A smoothing element that smoothes the current rectified by the rectifier;
The smoothed voltage by the smoothing device is applied to the LED, the voltage applied to the LED is equal to or greater than a predetermined value has a bypass circuit for bypassing the input current of the circuit, the LED by adjusting the current flowing through the bypass circuit A load adjustment circuit in which the applied voltage is constant;
An input current detection circuit for inputting a current supplied from the AC constant current power source through a current detector and detecting the input current;
A duty control circuit for duty-controlling the current of the LED so as to obtain a predetermined brightness with respect to a predetermined current supplied from the AC constant current power supply;
An LED lighting device comprising: 前記負荷調整回路は、ＬＥＤの電圧に代えて、ＬＥＤの電流が所定値以上となると、回路の入力電流をバイパスする回路に流れる電流を調整してＬＥＤに供給する電流を一定に調整することを特徴とする請求項１記載のＬＥＤ点灯装置。 The load adjustment circuit adjusts the current supplied to the LED to be constant by adjusting the current flowing through the circuit that bypasses the input current of the circuit when the LED current exceeds a predetermined value instead of the LED voltage. The LED lighting device according to claim 1. 前記負荷調整回路は、ＬＥＤに供給される電流のピーク値を検出するピーク値検出回路を有し、前記ピーク値検出回路で検出された電流をＬＥＤの電流とすることを特徴とする請求項２記載のＬＥＤ点灯装置。 3. The load adjustment circuit includes a peak value detection circuit that detects a peak value of a current supplied to the LED, and uses the current detected by the peak value detection circuit as an LED current. LED lighting device of description. 前記入力電流検出回路は、前記交流定電流電源からの供給電流を実効値検出することを特徴とする前記請求項１または２記載のＬＥＤ点灯装置。 3. The LED lighting device according to claim 1, wherein the input current detection circuit detects an effective value of a supply current from the AC constant current power source. 前記入力電流検出回路で検出された入力電流を基に、電球の比光度−比電流特性にＬＥＤの比光度−比電流特性を変換する特性変換回路と；
前記ＬＥＤに流れる電流が、前記特性変換回路で変換された電流になるようにデューティ制御するデューティ制御回路と；
を備えたことを特徴とする請求項１ないし３のいずれか一記載のＬＥＤ点灯装置。 A characteristic conversion circuit that converts the specific light intensity-specific current characteristic of the LED into the specific light intensity-specific current characteristic of the light bulb based on the input current detected by the input current detection circuit;
A duty control circuit that performs duty control so that a current flowing through the LED becomes a current converted by the characteristic conversion circuit;
The LED lighting device according to any one of claims 1 to 3, further comprising: 請求項５記載のＬＥＤ点灯装置に接続され光源がＬＥＤであるＬＥＤ式標識灯と；
光源が電球である電球式標識灯と；
ＬＥＤ式標識灯と電球式標識灯とを混在して直列接続する直列接続幹線ケーブルと；
切換タップを切り換えて複数の光度比率に対応した出力電流を前記直列接続幹線ケーブルに出力する出力する交流定電流電源と；
を備えたことを特徴とする標識灯システム。 An LED-type marker lamp connected to the LED lighting device according to claim 5, wherein the light source is an LED;
A light bulb-type indicator light whose light source is a light bulb;
A serial connection main line cable in which LED type indicator lamps and light bulb type indicator lights are mixed and connected in series;
An alternating-current constant current power source that outputs an output current corresponding to a plurality of luminous intensity ratios to the series-connected trunk cable by switching the switching tap;
A sign lamp system characterized by comprising:
JP2005276415A 2004-10-15 2005-09-22 Led type marker light lighting device and marker light system Pending JP2006139755A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2005276415A JP2006139755A (en) 2004-10-15 2005-09-22 Led type marker light lighting device and marker light system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2004300945 2004-10-15
JP2005276415A JP2006139755A (en) 2004-10-15 2005-09-22 Led type marker light lighting device and marker light system

Publications (2)

Publication Number Publication Date
JP2006139755A JP2006139755A (en) 2006-06-01
JP2006139755A5 true JP2006139755A5 (en) 2008-10-16

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
JP2005276415A Pending JP2006139755A (en) 2004-10-15 2005-09-22 Led type marker light lighting device and marker light system

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JP (1) JP2006139755A (en)

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JP5152507B2 (en) * 2008-07-31 2013-02-27 東芝ライテック株式会社 Lighting system
JP5286098B2 (en) * 2009-02-03 2013-09-11 コイト電工株式会社 Lighting
JP5163590B2 (en) * 2009-04-23 2013-03-13 東芝ライテック株式会社 LED lighting device and marker lamp system
JP5564239B2 (en) 2009-12-14 2014-07-30 ミネベア株式会社 LED drive circuit
JP5381805B2 (en) * 2010-02-25 2014-01-08 東芝ライテック株式会社 LED lighting device
JP2012003865A (en) * 2010-06-14 2012-01-05 Toshiba Lighting & Technology Corp Led lighting device
JP5708371B2 (en) * 2010-10-28 2015-04-30 ミツミ電機株式会社 LIGHTING POWER SUPPLY DEVICE AND HOLDING CURRENT CONTROL METHOD
JP2014509053A (en) * 2011-02-16 2014-04-10 コーニンクレッカ フィリップス エヌ ヴェ Lighting driver for light-emitting diode lamps compatible with electromagnetic ballast
CN104067696B (en) 2012-01-26 2016-08-24 夏普株式会社 LED lamp device
JP5054236B1 (en) * 2012-01-26 2012-10-24 シャープ株式会社 LED lighting device
JP5149458B1 (en) * 2012-09-06 2013-02-20 シャープ株式会社 LED lighting device
JP5149457B1 (en) * 2012-09-06 2013-02-20 シャープ株式会社 LED lighting device
JP5214047B1 (en) * 2012-07-25 2013-06-19 シャープ株式会社 LED lighting device
KR101289438B1 (en) 2013-04-15 2013-07-23 샤이니테크 주식회사 A power supply for led traffic light capable of controlling luminous-intensity in dimming control mode
JP6156631B2 (en) * 2013-05-30 2017-07-05 東芝ライテック株式会社 Lighting circuit and lighting device
CN107654853B (en) * 2016-07-26 2024-04-05 上海莱托思电子科技有限公司 Self constant current LED filament
KR101901264B1 (en) * 2017-12-12 2018-09-27 유양산전 주식회사 Switching control system for led driving part of airfield lighting
CN108633154B (en) * 2018-04-28 2024-05-17 常州星宇车灯股份有限公司 High-power low-loss constant-current power supply control module
CN109982484A (en) * 2019-04-15 2019-07-05 江西旺来塑料电器科技有限公司 A kind of Lamp cup with constant-current integrated lamp bead plate
JP7472447B2 (en) 2019-09-18 2024-04-23 株式会社Ｇｓユアサ OPEN DETECTION DEVICE AND OPEN DETECTION METHOD

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JP3265489B2 (en) * 1993-04-09 2002-03-11 日本信号株式会社 Airport lighting power supply control device
JP2961090B2 (en) * 1997-05-29 1999-10-12 株式会社ゼニライトブイ Synchronous lighting device for beacon lights
JP4577542B2 (en) * 2000-09-29 2010-11-10 東芝ライテック株式会社 Series load power supply
JP2003050637A (en) * 2001-08-07 2003-02-21 Mitsubishi Electric Corp Power supply unit
JP2004178162A (en) * 2002-11-26 2004-06-24 Toshiba Lighting & Technology Corp Marker light system
JP3653078B2 (en) * 2002-12-12 2005-05-25 東光株式会社 Switching constant current power supply

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