CN110178445B - 用于确定可调光脉冲led灯串的健康状态的系统和方法 - Google Patents

用于确定可调光脉冲led灯串的健康状态的系统和方法 Download PDF

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CN110178445B
CN110178445B CN201880007903.9A CN201880007903A CN110178445B CN 110178445 B CN110178445 B CN 110178445B CN 201880007903 A CN201880007903 A CN 201880007903A CN 110178445 B CN110178445 B CN 110178445B
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China
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current
circuit
string
state
expected
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Chinese (zh)
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CN110178445A (zh
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P.斯莫拉
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Signify Holding BV
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Signify Holding BV
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Priority claimed from PCT/EP2018/051497 external-priority patent/WO2018134422A1/en
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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]
    • H05B45/10—Controlling the intensity of the light
    • H05B45/14—Controlling the intensity of the light using electrical feedback from LEDs or from LED modules
    • 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
    • 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
    • H05B45/58—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits involving end of life detection of 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
    • 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
    • H05B45/59—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits for reducing or suppressing flicker or glow effects
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/44—Testing 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
    • 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
    • H05B45/54—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits in a series array of LEDs

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  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Led Devices (AREA)
CN201880007903.9A 2017-01-23 2018-01-23 用于确定可调光脉冲led灯串的健康状态的系统和方法 Active CN110178445B (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201762449559P 2017-01-23 2017-01-23
US62/449559 2017-01-23
EP17154914.0 2017-02-07
EP17154914 2017-02-07
PCT/EP2018/051497 WO2018134422A1 (en) 2017-01-23 2018-01-23 System, and method for determining a health status of a dimmable pulsed led light string

Publications (2)

Publication Number Publication Date
CN110178445A CN110178445A (zh) 2019-08-27
CN110178445B true CN110178445B (zh) 2022-10-21

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US (1) US11470702B2 (https=)
EP (1) EP3571896B1 (https=)
JP (1) JP7163292B2 (https=)
CN (1) CN110178445B (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112387695A (zh) * 2020-10-14 2021-02-23 北京北方华创微电子装备有限公司 超声波清洗装置、半导体设备及其控制方法
CN115107832A (zh) * 2022-08-09 2022-09-27 中车唐山机车车辆有限公司 列车前照灯控制方法、车载终端、控制系统及存储介质
GB2624624A (en) * 2022-11-16 2024-05-29 Visive Group Ltd Apparatus and method

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EP1750486A1 (en) * 2005-07-29 2007-02-07 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH A multiple-cell LED arrangement, related cell and manufacturing process
CN101662867A (zh) * 2008-08-29 2010-03-03 株式会社小糸制作所 车辆用灯具的调光控制系统
CN102473798A (zh) * 2009-08-18 2012-05-23 三垦电气株式会社 Led驱动电路
JP2016012471A (ja) * 2014-06-30 2016-01-21 レシップホールディングス株式会社 Ｌｅｄランプユニットおよび車両用ランプ装置
CN105939551A (zh) * 2015-03-02 2016-09-14 松下知识产权经营株式会社 点亮装置、前照灯装置以及车辆

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GB2135540A (en) 1983-02-17 1984-08-30 Pa Consulting Services Lamp failure alarm
DE3927888A1 (de) 1989-08-24 1991-02-28 Philips Patentverwaltung Wechselrichteranordnung
JPH03110797U (https=) * 1990-02-27 1991-11-13
GB0103888D0 (en) 2001-02-16 2001-04-04 Raynesway Construction Souther Road lighting system
JP3882773B2 (ja) 2003-04-03 2007-02-21 ソニー株式会社 画像表示装置、駆動回路装置および発光ダイオードの不良検出方法
DE102004025909A1 (de) 2004-05-27 2005-12-22 Infineon Technologies Ag Stromversorgungsanordnung zur Stromversorgung einer Last
JP4157106B2 (ja) 2005-03-29 2008-09-24 株式会社ナナオ 液晶表示装置および液晶表示装置の寿命予測方法
TWI356366B (en) 2006-10-19 2012-01-11 Richtek Technology Corp Backlight control circuit
JP5625287B2 (ja) 2009-08-21 2014-11-19 カシオ計算機株式会社 光源装置、投影装置、投影方法及びプログラム
WO2011084525A1 (en) 2009-12-16 2011-07-14 Exclara, Inc. Adaptive current regulation for solid state lighting
IT1399835B1 (it) 2010-03-23 2013-05-03 St Microelectronics Srl Metodo automatico per rilevare condizioni di corto circuito e di circuito aperto sull'uscita di un driver led
JP5749465B2 (ja) 2010-09-07 2015-07-15 ローム株式会社 発光素子の駆動回路、それを用いた発光装置および電子機器
WO2013014580A1 (en) 2011-07-22 2013-01-31 Koninklijke Philips Electronics N.V. Light emitting diode driver with non-destructive circuit for indicating fault or outage of light emitting diode load
JP2014019171A (ja) * 2012-07-12 2014-02-03 Yamaha Motor Co Ltd 方向指示器及びそれを備えた鞍乗型車両用方向指示装置
EP2739119B1 (en) 2012-11-30 2015-08-19 Dialog Semiconductor GmbH Short circuit detection for lighting circuits
ITBO20120674A1 (it) 2012-12-17 2014-06-18 Schneider Electric Ind Italia S P A Gruppo per il rilievo dell'emissione luminosa di sorgenti di illuminazione di emergenza, particolarmente del tipo a led
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JP6160955B2 (ja) 2013-07-10 2017-07-12 パナソニックＩｐマネジメント株式会社 発光ダイオード駆動装置、それを備えた車両用照明装置および車両
JP6234154B2 (ja) 2013-10-15 2017-11-22 三菱電機株式会社 光源制御装置及び光源制御方法

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Publication number Priority date Publication date Assignee Title
EP1750486A1 (en) * 2005-07-29 2007-02-07 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH A multiple-cell LED arrangement, related cell and manufacturing process
CN101662867A (zh) * 2008-08-29 2010-03-03 株式会社小糸制作所 车辆用灯具的调光控制系统
CN102473798A (zh) * 2009-08-18 2012-05-23 三垦电气株式会社 Led驱动电路
JP2016012471A (ja) * 2014-06-30 2016-01-21 レシップホールディングス株式会社 Ｌｅｄランプユニットおよび車両用ランプ装置
CN105939551A (zh) * 2015-03-02 2016-09-14 松下知识产权经营株式会社 点亮装置、前照灯装置以及车辆

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Publication number Publication date
US20210337643A1 (en) 2021-10-28
EP3571896A1 (en) 2019-11-27
JP7163292B2 (ja) 2022-10-31
JP2020507180A (ja) 2020-03-05
EP3571896B1 (en) 2025-06-11
CN110178445A (zh) 2019-08-27
US11470702B2 (en) 2022-10-11

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