CN102348302A - 高效率led平衡驱动及调光控制方法 - Google Patents
高效率led平衡驱动及调光控制方法 Download PDFInfo
- Publication number
- CN102348302A CN102348302A CN2010102421295A CN201010242129A CN102348302A CN 102348302 A CN102348302 A CN 102348302A CN 2010102421295 A CN2010102421295 A CN 2010102421295A CN 201010242129 A CN201010242129 A CN 201010242129A CN 102348302 A CN102348302 A CN 102348302A
- Authority
- CN
- China
- Prior art keywords
- led
- current
- inductance
- led string
- power
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000004804 winding Methods 0.000 claims description 78
- 230000008859 change Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 3
- 238000004146 energy storage Methods 0.000 claims description 3
- 239000004020 conductor Substances 0.000 claims description 2
- 238000001914 filtration Methods 0.000 claims 1
- 239000000696 magnetic material Substances 0.000 claims 1
- 230000035699 permeability Effects 0.000 claims 1
- 230000006870 function Effects 0.000 description 5
- 230000001105 regulatory effect Effects 0.000 description 5
- 230000033228 biological regulation Effects 0.000 description 4
- 230000000630 rising effect Effects 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000012937 correction Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000009711 regulatory function Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 238000003079 width control Methods 0.000 description 1
Images
Classifications
-
- 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
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
Description
Claims (7)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201010242129.5A CN102348302B (zh) | 2010-08-02 | 2010-08-02 | 高效率led平衡驱动及调光控制方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201010242129.5A CN102348302B (zh) | 2010-08-02 | 2010-08-02 | 高效率led平衡驱动及调光控制方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102348302A true CN102348302A (zh) | 2012-02-08 |
CN102348302B CN102348302B (zh) | 2014-07-16 |
Family
ID=45546470
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201010242129.5A Expired - Fee Related CN102348302B (zh) | 2010-08-02 | 2010-08-02 | 高效率led平衡驱动及调光控制方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN102348302B (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11864292B2 (en) * | 2020-04-23 | 2024-01-02 | Tridonic Gmbh & Co Kg | Isolated converter with improved current sensing |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2143043Y (zh) * | 1992-12-06 | 1993-09-29 | 蔡学辉 | 多功能日光灯照明装置 |
CN1812678A (zh) * | 2005-01-26 | 2006-08-02 | 新动力等离子体株式会社 | 多灯驱动系统及方法 |
CN201290195Y (zh) * | 2008-05-12 | 2009-08-12 | 达方电子股份有限公司 | 多灯管背光系统及其保护装置 |
US20100052568A1 (en) * | 2008-08-27 | 2010-03-04 | Texas Instruments Incorporated | Light emitting diode array driver |
CN101668363A (zh) * | 2008-09-05 | 2010-03-10 | 艾默龙电子科技(嘉兴)有限公司 | 高效率led驱动控制方法 |
CN101702854A (zh) * | 2009-11-21 | 2010-05-05 | 英飞特电子(杭州)有限公司 | 一种适用于多路led恒流驱动的电路 |
-
2010
- 2010-08-02 CN CN201010242129.5A patent/CN102348302B/zh not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2143043Y (zh) * | 1992-12-06 | 1993-09-29 | 蔡学辉 | 多功能日光灯照明装置 |
CN1812678A (zh) * | 2005-01-26 | 2006-08-02 | 新动力等离子体株式会社 | 多灯驱动系统及方法 |
CN201290195Y (zh) * | 2008-05-12 | 2009-08-12 | 达方电子股份有限公司 | 多灯管背光系统及其保护装置 |
US20100052568A1 (en) * | 2008-08-27 | 2010-03-04 | Texas Instruments Incorporated | Light emitting diode array driver |
CN101668363A (zh) * | 2008-09-05 | 2010-03-10 | 艾默龙电子科技(嘉兴)有限公司 | 高效率led驱动控制方法 |
CN101702854A (zh) * | 2009-11-21 | 2010-05-05 | 英飞特电子(杭州)有限公司 | 一种适用于多路led恒流驱动的电路 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11864292B2 (en) * | 2020-04-23 | 2024-01-02 | Tridonic Gmbh & Co Kg | Isolated converter with improved current sensing |
Also Published As
Publication number | Publication date |
---|---|
CN102348302B (zh) | 2014-07-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN101668363B (zh) | 高效率led驱动控制方法 | |
US20120062147A1 (en) | High efficiency drive method for driving LED devices | |
US8598807B2 (en) | Multi-channel constant current source and illumination source | |
US9000673B2 (en) | Multi-channel two-stage controllable constant current source and illumination source | |
US20110068700A1 (en) | Method and apparatus for driving multiple LED devices | |
US8779686B2 (en) | Synchronous regulation for LED string driver | |
CN102137524B (zh) | 高效率led平衡驱动控制方法 | |
CN101548579A (zh) | 用于驱动发光二极管的电子装置 | |
US8598808B2 (en) | Flyback with switching frequency responsive to load and input voltage | |
CN101998730A (zh) | 高效率led驱动方法 | |
CN205847120U (zh) | 二次侧降压定流的返驰式电源转换器 | |
CN105530725B (zh) | 基于scc自动反馈控制的多路led驱动电路 | |
CN103025018B (zh) | 利用并联高压mos管控制的led驱动电路 | |
CN102651936A (zh) | 发光二极管驱动电路 | |
CN108925012B (zh) | 单开关多路倍流输出变换器电路 | |
WO2012151170A1 (en) | High efficiency led driving method | |
CN102348302B (zh) | 高效率led平衡驱动及调光控制方法 | |
CN107105543A (zh) | 一种背光led驱动电路 | |
US9030109B2 (en) | LED current balance driving circuit | |
Wang et al. | Design and implementation of a single-stage high-efficacy LED driver with dynamic voltage regulation | |
CN105530724A (zh) | 基于scc的可均流独立调光多路led驱动电路 | |
CN104716842A (zh) | 一种谐振式单级结构单开关多路恒流输出功率因数校正变换器拓扑及其控制方法 | |
CN103025017B (zh) | 基于并联开关控制的led驱动电路 | |
CN204707034U (zh) | 一种副边谐振式单级结构单开关多路恒流输出pfc变换器 | |
CN105704858B (zh) | 用于两个或多个并联led灯串的驱动器 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
DD01 | Delivery of document by public notice |
Addressee: EMERAL Tech (Jiaxing) Co., Ltd. Fan Jianping Document name: Notification of Publication and of Entering the Substantive Examination Stage of the Application for Invention |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: NANJING AZT ELECTRONICS TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: AIMOLONG ELECTRONIC SCIENCE + TECHNOLOGY (JIAXING) CO., LTD. Effective date: 20150710 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20150710 Address after: Ma Fu Xin Cun, Baixia District of Nanjing City, Jiangsu Province, No. 210002 East 16-1 Patentee after: Nanjing miracle Electronic Technology Co., Ltd. Address before: Jiaxing City, Zhejiang province 314001 South Road No. 1369 Building No. 3, 101 (city center section) Patentee before: EMERAL Tech (Jiaxing) Co., Ltd. |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20190801 Address after: 215000 Zhuyuan Road 209 B3025, Suzhou High-tech Zone, Jiangsu Province Patentee after: SUZHOU AOXITE ELECTRONIC SCIENCE & TECHNOLOGY CO., LTD. Address before: Ma Fu Xin Cun, Baixia District of Nanjing City, Jiangsu Province, No. 210002 East 16-1 Patentee before: Nanjing miracle Electronic Technology Co., Ltd. |
|
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140716 Termination date: 20190802 |