CN201967220U - Led恒流驱动电路装置 - Google Patents
Led恒流驱动电路装置 Download PDFInfo
- Publication number
- CN201967220U CN201967220U CN2011201249583U CN201120124958U CN201967220U CN 201967220 U CN201967220 U CN 201967220U CN 2011201249583 U CN2011201249583 U CN 2011201249583U CN 201120124958 U CN201120124958 U CN 201120124958U CN 201967220 U CN201967220 U CN 201967220U
- Authority
- CN
- China
- Prior art keywords
- autotransformer
- pwm control
- filtering
- output
- load
- 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
- 238000001914 filtration Methods 0.000 claims abstract description 29
- 238000005070 sampling Methods 0.000 claims abstract description 21
- 239000004065 semiconductor Substances 0.000 claims abstract description 17
- 239000003990 capacitor Substances 0.000 claims description 6
- 230000008901 benefit Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 229910044991 metal oxide Inorganic materials 0.000 abstract 1
- 150000004706 metal oxides Chemical class 0.000 abstract 1
- 238000004804 winding Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000002093 peripheral 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
Landscapes
- Dc-Dc Converters (AREA)
- Rectifiers (AREA)
Abstract
Description
Claims (2)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201249583U CN201967220U (zh) | 2011-04-26 | 2011-04-26 | Led恒流驱动电路装置 |
| PCT/CN2012/072058 WO2012146090A1 (zh) | 2011-04-26 | 2012-03-07 | Led恒流驱动电路装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201249583U CN201967220U (zh) | 2011-04-26 | 2011-04-26 | Led恒流驱动电路装置 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201967220U true CN201967220U (zh) | 2011-09-07 |
Family
ID=44529772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201249583U Expired - Fee Related CN201967220U (zh) | 2011-04-26 | 2011-04-26 | Led恒流驱动电路装置 |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN201967220U (zh) |
| WO (1) | WO2012146090A1 (zh) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012146090A1 (zh) * | 2011-04-26 | 2012-11-01 | 林耀 | Led恒流驱动电路装置 |
| CN109076676A (zh) * | 2014-10-30 | 2018-12-21 | 德克萨斯仪器股份有限公司 | Led电流控制器 |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104507245B (zh) * | 2014-11-12 | 2017-04-19 | 瑞芙贝(武汉)光电科技发展有限公司 | 临界交错反激有源箝位推挽集成灯控制器 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100571479C (zh) * | 2006-05-09 | 2009-12-16 | 上海维同照明电器有限公司 | 一种led恒流驱动器 |
| US7750616B2 (en) * | 2007-06-21 | 2010-07-06 | Green Mark Technology Inc. | Buck converter LED driver circuit |
| CN201491341U (zh) * | 2009-08-19 | 2010-05-26 | 宁波美兴电子科技有限公司 | 大功率led电源电路 |
| CN201967220U (zh) * | 2011-04-26 | 2011-09-07 | 福州凡普科技有限公司 | Led恒流驱动电路装置 |
-
2011
- 2011-04-26 CN CN2011201249583U patent/CN201967220U/zh not_active Expired - Fee Related
-
2012
- 2012-03-07 WO PCT/CN2012/072058 patent/WO2012146090A1/zh not_active Ceased
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012146090A1 (zh) * | 2011-04-26 | 2012-11-01 | 林耀 | Led恒流驱动电路装置 |
| CN109076676A (zh) * | 2014-10-30 | 2018-12-21 | 德克萨斯仪器股份有限公司 | Led电流控制器 |
| CN109076676B (zh) * | 2014-10-30 | 2020-07-10 | 德克萨斯仪器股份有限公司 | Led电流控制器 |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2012146090A1 (zh) | 2012-11-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: HU WEI Free format text: FORMER OWNER: FUZHOU FP TECHNOLOGY CO., LTD. Effective date: 20140109 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 350001 FUZHOU, FUJIAN PROVINCE TO: 518103 SHENZHEN, GUANGDONG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140109 Address after: 518103 Guangdong city of Shenzhen province Baoan District Fuyong Yuhua Town, Fuyuan Garden commercial center building 405 room 3 Patentee after: Hu Wei Address before: 350001, Fujian Province, Gulou District, Fujian province 33 Ting Road, Fujian building 0919, Fuzhou Patentee before: Fuzhou FP Technology Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110907 Termination date: 20160426 |