CN102238777B - 用于led的三端双向可控硅可调光电源单元 - Google Patents
用于led的三端双向可控硅可调光电源单元 Download PDFInfo
- Publication number
- CN102238777B CN102238777B CN201010574463.0A CN201010574463A CN102238777B CN 102238777 B CN102238777 B CN 102238777B CN 201010574463 A CN201010574463 A CN 201010574463A CN 102238777 B CN102238777 B CN 102238777B
- Authority
- CN
- China
- Prior art keywords
- circuit
- power factor
- power supply
- triode
- current
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000013016 damping Methods 0.000 claims abstract description 14
- 238000012937 correction Methods 0.000 claims description 23
- 239000003990 capacitor Substances 0.000 claims description 15
- 230000009467 reduction Effects 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 10
- 238000012423 maintenance Methods 0.000 claims description 7
- 230000009471 action Effects 0.000 claims description 4
- 238000004804 winding Methods 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 description 19
- 238000010586 diagram Methods 0.000 description 8
- 238000013461 design Methods 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 238000013459 approach Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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
- H05B45/3725—Switched mode power supply [SMPS]
- H05B45/385—Switched mode power supply [SMPS] using flyback topology
-
- 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
- H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
- H05B41/14—Circuit arrangements
- H05B41/26—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc
- H05B41/28—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters
-
- 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
- H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
- H05B41/14—Circuit arrangements
- H05B41/36—Controlling
-
- 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
- H05B45/355—Power factor correction [PFC]; Reactive power compensation
-
- 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
-
- 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]
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
- Dc-Dc Converters (AREA)
- Rectifiers (AREA)
Abstract
Description
Claims (16)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US33248510P | 2010-05-07 | 2010-05-07 | |
US61/332,485 | 2010-05-07 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102238777A CN102238777A (zh) | 2011-11-09 |
CN102238777B true CN102238777B (zh) | 2014-08-20 |
Family
ID=44888816
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201010574463.0A Expired - Fee Related CN102238777B (zh) | 2010-05-07 | 2010-12-06 | 用于led的三端双向可控硅可调光电源单元 |
Country Status (8)
Country | Link |
---|---|
US (1) | US8723439B2 (zh) |
EP (1) | EP2567596B1 (zh) |
CN (1) | CN102238777B (zh) |
AU (1) | AU2010352788B2 (zh) |
HK (1) | HK1158877A1 (zh) |
SG (1) | SG184811A1 (zh) |
TW (1) | TW201141303A (zh) |
WO (1) | WO2011137646A1 (zh) |
Families Citing this family (67)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8358085B2 (en) | 2009-01-13 | 2013-01-22 | Terralux, Inc. | Method and device for remote sensing and control of LED lights |
US9326346B2 (en) | 2009-01-13 | 2016-04-26 | Terralux, Inc. | Method and device for remote sensing and control of LED lights |
EP2501393B1 (en) | 2009-11-17 | 2016-07-27 | Terralux, Inc. | Led power-supply detection and control |
US8674605B2 (en) * | 2011-05-12 | 2014-03-18 | Osram Sylvania Inc. | Driver circuit for reduced form factor solid state light source lamp |
CN102958221A (zh) * | 2011-08-19 | 2013-03-06 | 台达电子企业管理(上海)有限公司 | 多信道发光二极管驱动电路 |
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 |
CN103138556B (zh) * | 2011-11-23 | 2015-08-19 | 英飞特电子(杭州)股份有限公司 | Pfc电路、负载驱动电路以及信号控制方法 |
US8896231B2 (en) | 2011-12-16 | 2014-11-25 | Terralux, Inc. | Systems and methods of applying bleed circuits in LED lamps |
US8680776B1 (en) * | 2011-12-20 | 2014-03-25 | Universal Lighting Technologies, Inc. | Lighting device including a fast start circuit for regulating power supply to a PFC controller |
TWI434622B (zh) * | 2011-12-30 | 2014-04-11 | Macroblock Inc | 轉換器之等效電阻值的控制方法與裝置 |
TWI489911B (zh) * | 2011-12-30 | 2015-06-21 | Richtek Technology Corp | 可全相位啟動三極交流開關之主動洩流電路及使用該主動洩流電路之發光元件電源供應電路與三極交流開關控制方法 |
US8928238B2 (en) * | 2012-01-06 | 2015-01-06 | EPtronics, Inc. | Supplemental dimming circuit for electronic LED driver |
US8624514B2 (en) * | 2012-01-13 | 2014-01-07 | Power Integrations, Inc. | Feed forward imbalance corrector circuit |
US9198250B2 (en) * | 2012-02-02 | 2015-11-24 | Koninklijke Philips N.V. | LED light source |
US20140103804A1 (en) * | 2012-03-19 | 2014-04-17 | Siarhei Zhdanau | Power distribution system and method for led lighting |
US8847498B2 (en) * | 2012-05-16 | 2014-09-30 | Technical Consumer Products, Inc. | Resonant damping circuit for triac dimmable |
KR101341976B1 (ko) * | 2012-06-04 | 2013-12-16 | 주식회사 루멘스 | 엘이디 조명장치 |
CN102740562B (zh) * | 2012-06-13 | 2014-11-05 | 青岛海信电器股份有限公司 | 电源控制电路、背光模组及液晶显示器件 |
CN102752940B (zh) * | 2012-07-19 | 2014-07-16 | 矽力杰半导体技术(杭州)有限公司 | 一种高效率的led驱动电路及其驱动方法 |
CN104995994A (zh) * | 2012-11-05 | 2015-10-21 | 环雅环保科技(上海)有限公司 | 多模式发光二极管驱动器 |
WO2014072847A1 (en) * | 2012-11-06 | 2014-05-15 | Koninklijke Philips N.V. | Circuit arrangement and led lamp comprising the same |
EP2734010B1 (en) * | 2012-11-15 | 2019-08-07 | Dialog Semiconductor GmbH | Supply voltage management |
CN103079316B (zh) * | 2013-01-08 | 2014-10-22 | 成都启臣微电子有限公司 | 一种基于功率因数校正和原边反馈控制的led照明电源控制器 |
EP2760255B1 (en) * | 2013-01-23 | 2019-07-17 | Silergy Corp. | A controller, a driver circuit and a method for controlling a dimmable led lighting circuit, and a dimmable led lighting circuit |
US9425687B2 (en) | 2013-03-11 | 2016-08-23 | Cree, Inc. | Methods of operating switched mode power supply circuits using adaptive filtering and related controller circuits |
US9866117B2 (en) * | 2013-03-11 | 2018-01-09 | Cree, Inc. | Power supply with adaptive-controlled output voltage |
EP2982222A1 (en) * | 2013-04-03 | 2016-02-10 | 3M Innovative Properties Company | An electronic ac line dimming circuit with near unity power factor |
AT15250U1 (de) * | 2013-04-18 | 2017-04-15 | Tridonic Gmbh & Co Kg | Konverter-Modul für ein Phasendimmen von LEDs |
TWI554015B (zh) * | 2013-04-19 | 2016-10-11 | Univ Nat Kaohsiung Applied Sci | Single - stage high power return - forward converter and light source system |
TWI508615B (zh) * | 2013-06-04 | 2015-11-11 | Jin Fa Li | 主動式自我調節電路 |
US9265119B2 (en) | 2013-06-17 | 2016-02-16 | Terralux, Inc. | Systems and methods for providing thermal fold-back to LED lights |
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 |
US9179523B1 (en) * | 2013-09-09 | 2015-11-03 | Marvell International Ltd. | Start-up voltage for solid-state lighting controller |
KR102168326B1 (ko) | 2013-10-04 | 2020-10-23 | 서울반도체 주식회사 | 조광이 가능한 교류구동 발광소자 조명장치 및 이의 발광소자 구동회로 |
CN103683890A (zh) * | 2013-12-06 | 2014-03-26 | 深圳市华星光电技术有限公司 | 一种反激式快速启动驱动电路及驱动方法 |
US9220138B1 (en) * | 2013-12-09 | 2015-12-22 | Marvell International Ltd. | Soft bleeder to remove step dimming |
CN104747928B (zh) | 2013-12-27 | 2018-10-16 | 晶宝智电科技有限公司 | 发光二极管灯具 |
CN103826362B (zh) * | 2014-01-28 | 2016-03-16 | 杰华特微电子(杭州)有限公司 | 一种led驱动电路及其控制方法 |
CN103997834A (zh) * | 2014-05-30 | 2014-08-20 | 横店集团得邦照明股份有限公司 | 一种可控硅调光电路 |
US9468054B2 (en) | 2014-06-10 | 2016-10-11 | Lunera Lighting, Inc. | Retrofit LED lighting system with circuit level enhancement |
US9686828B2 (en) | 2014-06-15 | 2017-06-20 | Lunera Lighting, Inc. | LED retrofit lamp with a strike barrier |
US9826582B2 (en) | 2014-06-15 | 2017-11-21 | Lunera Lighting, Inc. | LED retrofit lamp with a strike barrier |
JP6133514B2 (ja) | 2014-06-17 | 2017-05-24 | フィリップス ライティング ホールディング ビー ヴィ | 動的制御回路 |
CN104219845B (zh) * | 2014-08-29 | 2016-04-27 | 电子科技大学 | 一种led调光电路 |
US9307593B1 (en) * | 2014-09-15 | 2016-04-05 | Dialog Semiconductor Inc. | Dynamic bleeder current control for LED dimmers |
DE102014221024A1 (de) * | 2014-10-16 | 2016-04-21 | Tridonic Gmbh & Co Kg | Betriebsschaltung für Leuchtmittel mit PFC-Steuereinheit |
CN104483632B (zh) * | 2014-12-22 | 2017-09-19 | 东风汽车公司 | 车载Li‑BMS单体的模拟装置 |
US9585204B2 (en) * | 2014-12-23 | 2017-02-28 | Lite-On Electronics (Guangzhou) Limited | Driving circuit and control method thereof |
CN104540292B (zh) * | 2014-12-31 | 2017-09-22 | 生迪光电科技股份有限公司 | 适用于可控硅调光器电路上的调光电路和调光系统 |
US9332609B1 (en) * | 2015-01-08 | 2016-05-03 | Illum Technology, Llc | Phase cut dimming LED driver |
CN104619083B (zh) | 2015-01-15 | 2017-10-20 | 生迪光电科技股份有限公司 | 兼容可控硅的恒压电路、led调光电路及led照明设备 |
JP2018516042A (ja) * | 2015-05-22 | 2018-06-14 | フィリップス ライティング ホールディング ビー ヴィ | Ledドライバ及びled駆動方法 |
DE102015210710A1 (de) * | 2015-06-11 | 2016-12-15 | Tridonic Gmbh & Co Kg | Getaktete Sperrwandlerschaltung |
US9814105B2 (en) | 2015-11-12 | 2017-11-07 | Semiconductor Components Industries, Llc | Control circuit for LED and active bleeder thereof |
US9655188B1 (en) | 2016-02-03 | 2017-05-16 | Ketra, Inc. | Illumination device and method for independently controlling power delivered to a load from dimmers having dissimilar phase-cut dimming angles |
US9655178B1 (en) * | 2016-02-03 | 2017-05-16 | Ketra, Inc. | Device and method for removing transient and drift from an AC main supplied to a DC-controlled LED load |
US10736187B2 (en) | 2016-02-03 | 2020-08-04 | Lutron Ketra, Llc | Illumination device and method for decoupling power delivered to an LED load from a phase-cut dimming angle |
CN105828475B (zh) * | 2016-03-30 | 2018-08-31 | 深圳市英朗光电有限公司 | Led应急照明灯具电源及led应急照明灯具 |
CN105934056B (zh) * | 2016-07-04 | 2019-03-22 | 英飞特电子(杭州)股份有限公司 | 一种led调光驱动电路 |
CN110506451B (zh) * | 2017-04-05 | 2022-08-26 | 昕诺飞控股有限公司 | Led照明驱动器和驱动方法 |
CN109587868B (zh) * | 2017-09-29 | 2021-11-23 | 朗德万斯公司 | 用于led照明模块的电子驱动器和led灯 |
US10440785B2 (en) * | 2017-11-27 | 2019-10-08 | Zhejiang Yankon Mega Lighting Co., Ltd. | Current holding circuit for bidirectional triode thyristor dimmer and linear dimming driving circuit using the same |
CN108419330B (zh) * | 2018-02-05 | 2019-06-14 | 深圳市崧盛电子股份有限公司 | 一种快速开机启动电路及驱动电源 |
US10405392B1 (en) * | 2018-04-16 | 2019-09-03 | Dialog Semiconductor Inc. | Dimmer multi-fire to increase direct AC LED device efficiency |
WO2020006107A1 (en) * | 2018-06-26 | 2020-01-02 | Lutron Technology Company Llc | Load control device having a controllable filter circuit |
KR102138942B1 (ko) * | 2019-02-12 | 2020-07-28 | 고관수 | 트라이액 모듈 |
CN110753422B (zh) * | 2019-10-19 | 2021-12-03 | 浙江凯耀照明有限责任公司 | 一种应用于运放搭建的快速启动线路 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2258335Y (zh) * | 1996-04-12 | 1997-07-23 | 李名酉 | 高强度气体放电灯用电子镇流器 |
CN1759526A (zh) * | 2003-03-12 | 2006-04-12 | 松下电工株式会社 | 可减小电涌电压的直流-直流转换器及用于放电灯的包括该转换器的电子镇流器 |
CN201035128Y (zh) * | 2007-04-20 | 2008-03-12 | 欧普特光电科技股份有限公司 | 假负载电路系统 |
CN101616521A (zh) * | 2008-06-23 | 2009-12-30 | 台达电子工业股份有限公司 | 可调光的发光二极管驱动电路 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002231471A (ja) * | 2001-01-31 | 2002-08-16 | Toshiba Lighting & Technology Corp | Led点灯装置及び照明装置 |
EP1752022A1 (en) | 2004-05-19 | 2007-02-14 | Polybrite International, Inc. | Dimming circuit for led lighting device with means for holding triac in conduction |
US8441210B2 (en) * | 2006-01-20 | 2013-05-14 | Point Somee Limited Liability Company | Adaptive current regulation for solid state lighting |
EP2045756A3 (en) | 2007-10-04 | 2011-11-23 | Samsung Electronics Co., Ltd. | Method and apparatus for transmitting contents with limited system permissions |
WO2009136328A1 (en) | 2008-05-07 | 2009-11-12 | Nxp B.V. | Dim range enhancement for led driver connected to phase-cut dimmer |
US7609008B1 (en) | 2008-06-06 | 2009-10-27 | Mdl Corporation | Method and circuit for controlling an LED |
US8212491B2 (en) | 2008-07-25 | 2012-07-03 | Cirrus Logic, Inc. | Switching power converter control with triac-based leading edge dimmer compatibility |
CN101404844B (zh) * | 2008-11-04 | 2012-01-04 | 深圳市众明半导体照明有限公司 | 一种适用于可控硅调光器的led调光装置 |
US8624514B2 (en) * | 2012-01-13 | 2014-01-07 | Power Integrations, Inc. | Feed forward imbalance corrector circuit |
-
2010
- 2010-12-01 TW TW099141696A patent/TW201141303A/zh unknown
- 2010-12-06 EP EP10851015.7A patent/EP2567596B1/en not_active Not-in-force
- 2010-12-06 AU AU2010352788A patent/AU2010352788B2/en not_active Ceased
- 2010-12-06 SG SG2012074779A patent/SG184811A1/en unknown
- 2010-12-06 CN CN201010574463.0A patent/CN102238777B/zh not_active Expired - Fee Related
- 2010-12-06 US US13/696,679 patent/US8723439B2/en active Active
- 2010-12-06 WO PCT/CN2010/079474 patent/WO2011137646A1/en active Application Filing
-
2011
- 2011-12-08 HK HK11113273.8A patent/HK1158877A1/zh not_active IP Right Cessation
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2258335Y (zh) * | 1996-04-12 | 1997-07-23 | 李名酉 | 高强度气体放电灯用电子镇流器 |
CN1759526A (zh) * | 2003-03-12 | 2006-04-12 | 松下电工株式会社 | 可减小电涌电压的直流-直流转换器及用于放电灯的包括该转换器的电子镇流器 |
CN201035128Y (zh) * | 2007-04-20 | 2008-03-12 | 欧普特光电科技股份有限公司 | 假负载电路系统 |
CN101616521A (zh) * | 2008-06-23 | 2009-12-30 | 台达电子工业股份有限公司 | 可调光的发光二极管驱动电路 |
Also Published As
Publication number | Publication date |
---|---|
HK1158877A1 (zh) | 2012-07-20 |
EP2567596B1 (en) | 2014-10-29 |
US8723439B2 (en) | 2014-05-13 |
AU2010352788A1 (en) | 2012-11-01 |
CN102238777A (zh) | 2011-11-09 |
WO2011137646A1 (en) | 2011-11-10 |
SG184811A1 (en) | 2012-11-29 |
TW201141303A (en) | 2011-11-16 |
US20130113375A1 (en) | 2013-05-09 |
EP2567596A4 (en) | 2013-06-26 |
AU2010352788B2 (en) | 2013-10-10 |
EP2567596A1 (en) | 2013-03-13 |
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