BR102012033492A2 - Circuitos e métodos para acionar fontes de luz de led - Google Patents
Circuitos e métodos para acionar fontes de luz de led Download PDFInfo
- Publication number
- BR102012033492A2 BR102012033492A2 BRBR102012033492-5A BR102012033492A BR102012033492A2 BR 102012033492 A2 BR102012033492 A2 BR 102012033492A2 BR 102012033492 A BR102012033492 A BR 102012033492A BR 102012033492 A2 BR102012033492 A2 BR 102012033492A2
- Authority
- BR
- Brazil
- Prior art keywords
- signal
- switch
- power
- dimmer
- light
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract description 14
- 238000012544 monitoring process Methods 0.000 claims abstract description 138
- 238000004804 winding Methods 0.000 claims abstract description 49
- 230000003287 optical effect Effects 0.000 claims abstract description 16
- 230000004044 response Effects 0.000 claims description 30
- 230000001105 regulatory effect Effects 0.000 claims description 25
- 230000009849 deactivation Effects 0.000 claims description 22
- 230000001276 controlling effect Effects 0.000 claims description 19
- 230000033228 biological regulation Effects 0.000 claims description 14
- 230000004907 flux Effects 0.000 claims description 13
- 230000001960 triggered effect Effects 0.000 claims description 3
- 239000003990 capacitor Substances 0.000 description 37
- 101000806846 Homo sapiens DNA-(apurinic or apyrimidinic site) endonuclease Proteins 0.000 description 36
- 101000835083 Homo sapiens Tissue factor pathway inhibitor 2 Proteins 0.000 description 36
- 102100026134 Tissue factor pathway inhibitor 2 Human genes 0.000 description 36
- 238000010586 diagram Methods 0.000 description 22
- 230000007423 decrease Effects 0.000 description 15
- 230000006870 function Effects 0.000 description 10
- 101000584590 Homo sapiens Receptor activity-modifying protein 2 Proteins 0.000 description 9
- 102100030696 Receptor activity-modifying protein 2 Human genes 0.000 description 9
- 238000004146 energy storage Methods 0.000 description 9
- 101100219315 Arabidopsis thaliana CYP83A1 gene Proteins 0.000 description 7
- 101000584583 Homo sapiens Receptor activity-modifying protein 1 Proteins 0.000 description 7
- 101100269674 Mus musculus Alyref2 gene Proteins 0.000 description 7
- 102100030697 Receptor activity-modifying protein 1 Human genes 0.000 description 7
- 101100140580 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) REF2 gene Proteins 0.000 description 7
- 230000003247 decreasing effect Effects 0.000 description 6
- 238000001514 detection method Methods 0.000 description 5
- 230000004913 activation Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 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
-
- 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]
- H05B45/382—Switched mode power supply [SMPS] with galvanic isolation between input and output
-
- 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]
- H05B45/375—Switched mode power supply [SMPS] using buck topology
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
- Dc-Dc Converters (AREA)
- Led Devices (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110447599.XA CN102548143B (zh) | 2011-12-28 | 2011-12-28 | 对led光源进行电能控制的驱动电路、调光控制器和方法 |
| US13/369,620 US9030122B2 (en) | 2008-12-12 | 2012-02-09 | Circuits and methods for driving LED light sources |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR102012033492A2 true BR102012033492A2 (pt) | 2015-05-05 |
Family
ID=46800026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BRBR102012033492-5A BR102012033492A2 (pt) | 2011-12-28 | 2012-12-28 | Circuitos e métodos para acionar fontes de luz de led |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP2611263A3 (enrdf_load_stackoverflow) |
| JP (1) | JP2013140931A (enrdf_load_stackoverflow) |
| BR (1) | BR102012033492A2 (enrdf_load_stackoverflow) |
| IN (1) | IN2012DE00931A (enrdf_load_stackoverflow) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014065389A1 (en) | 2012-10-25 | 2014-05-01 | Semiconductor Energy Laboratory Co., Ltd. | Central control system |
| CN104902610B (zh) * | 2014-03-04 | 2017-07-21 | 通嘉科技股份有限公司 | 调光控制方法与相关的背光控制器 |
| US9801246B2 (en) | 2014-04-24 | 2017-10-24 | Nanogrid Limited | Dimmable LED light |
| EP3007521A3 (en) * | 2014-10-08 | 2016-06-01 | O2Micro, Inc. | Driving circuit with dimming controller for driving light sources |
| SK972016A3 (sk) * | 2016-11-09 | 2018-06-01 | Miroslav Labaš | Spôsob postupného rozsvecovania a zhasínania žiaroviek každého druhu |
| CN108430138B (zh) * | 2018-05-17 | 2024-07-12 | 温州市麦特力克电器有限公司 | 一种调光电路、调光装置及调光控制方法 |
| CN108834263B (zh) * | 2018-07-27 | 2023-09-12 | 深圳市明微电子股份有限公司 | 一种电压可调的调光控制电路及系统 |
| CN109257848A (zh) * | 2018-10-22 | 2019-01-22 | 上海炬佑智能科技有限公司 | 光源驱动电路、光源驱动方法以及飞行时间测距传感器 |
| CN109661075B (zh) * | 2019-01-28 | 2024-09-13 | 上海电力学院 | 单级ac-dc多输出无电解电容大功率led驱动电路 |
| CN111885764B (zh) * | 2020-07-15 | 2022-05-17 | 宁波公牛光电科技有限公司 | 电源电路及灯具 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7759881B1 (en) * | 2008-03-31 | 2010-07-20 | Cirrus Logic, Inc. | LED lighting system with a multiple mode current control dimming strategy |
| US8044608B2 (en) * | 2008-12-12 | 2011-10-25 | O2Micro, Inc | Driving circuit with dimming controller for driving light sources |
| US8339067B2 (en) * | 2008-12-12 | 2012-12-25 | O2Micro, Inc. | Circuits and methods for driving light sources |
| CN103179743A (zh) * | 2009-03-04 | 2013-06-26 | 立锜科技股份有限公司 | 具有交直流直接转换控制功能的led驱动电路与相关方法和集成电路 |
| US8384295B2 (en) * | 2009-11-11 | 2013-02-26 | Osram Sylvania Inc. | Ballast circuit for LED-based lamp including power factor correction with protective isolation |
-
2012
- 2012-03-28 IN IN931DE2012 patent/IN2012DE00931A/en unknown
- 2012-05-01 JP JP2012104480A patent/JP2013140931A/ja active Pending
- 2012-08-14 EP EP12180381.1A patent/EP2611263A3/en not_active Withdrawn
- 2012-12-28 BR BRBR102012033492-5A patent/BR102012033492A2/pt not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| IN2012DE00931A (enrdf_load_stackoverflow) | 2015-09-04 |
| EP2611263A3 (en) | 2014-03-05 |
| JP2013140931A (ja) | 2013-07-18 |
| EP2611263A2 (en) | 2013-07-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| B03A | Publication of a patent application or of a certificate of addition of invention [chapter 3.1 patent gazette] | ||
| B11A | Dismissal acc. art.33 of ipl - examination not requested within 36 months of filing | ||
| B11Y | Definitive dismissal - extension of time limit for request of examination expired [chapter 11.1.1 patent gazette] |