CN107979899A - 一种线性工频泵馈电恒流电路及具有它的led灯 - Google Patents
一种线性工频泵馈电恒流电路及具有它的led灯 Download PDFInfo
- Publication number
- CN107979899A CN107979899A CN201711452280.XA CN201711452280A CN107979899A CN 107979899 A CN107979899 A CN 107979899A CN 201711452280 A CN201711452280 A CN 201711452280A CN 107979899 A CN107979899 A CN 107979899A
- Authority
- CN
- China
- Prior art keywords
- constant
- charge
- constant current
- load
- pump feed
- 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.)
- Pending
Links
- 238000007689 inspection Methods 0.000 claims description 16
- 230000005611 electricity Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 3
- 239000003990 capacitor Substances 0.000 claims description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 208000003464 Asthenopia Diseases 0.000 description 1
- 206010015037 Epilepsy Diseases 0.000 description 1
- 206010019233 Headache Diseases 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004438 eyesight Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 231100000869 headache Toxicity 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 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 [LEDs]
- H05B45/30—Driver circuits
- H05B45/37—Converter circuits
Abstract
Description
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711452280.XA CN107979899A (zh) | 2017-12-27 | 2017-12-27 | 一种线性工频泵馈电恒流电路及具有它的led灯 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711452280.XA CN107979899A (zh) | 2017-12-27 | 2017-12-27 | 一种线性工频泵馈电恒流电路及具有它的led灯 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN107979899A true CN107979899A (zh) | 2018-05-01 |
Family
ID=62008224
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201711452280.XA Pending CN107979899A (zh) | 2017-12-27 | 2017-12-27 | 一种线性工频泵馈电恒流电路及具有它的led灯 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN107979899A (zh) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108880252A (zh) * | 2018-07-13 | 2018-11-23 | 昂宝电子(上海)有限公司 | 线性恒流电路 |
CN109348587A (zh) * | 2018-12-14 | 2019-02-15 | 上海源微电子科技有限公司 | 一种具有高pf无频闪的led恒流驱动电路 |
WO2020082701A1 (zh) * | 2018-10-26 | 2020-04-30 | 苏州菲达旭微电子有限公司 | 一种半压供电的无纹波led电路 |
CN112637996A (zh) * | 2019-12-30 | 2021-04-09 | 杰华特微电子(杭州)有限公司 | Led驱动电路及控制方法 |
WO2021120445A1 (zh) * | 2019-12-20 | 2021-06-24 | 美芯晟科技(北京)有限公司 | 一种驱动电路、相关电路和装置 |
-
2017
- 2017-12-27 CN CN201711452280.XA patent/CN107979899A/zh active Pending
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108880252A (zh) * | 2018-07-13 | 2018-11-23 | 昂宝电子(上海)有限公司 | 线性恒流电路 |
WO2020082701A1 (zh) * | 2018-10-26 | 2020-04-30 | 苏州菲达旭微电子有限公司 | 一种半压供电的无纹波led电路 |
CN109348587A (zh) * | 2018-12-14 | 2019-02-15 | 上海源微电子科技有限公司 | 一种具有高pf无频闪的led恒流驱动电路 |
WO2021120445A1 (zh) * | 2019-12-20 | 2021-06-24 | 美芯晟科技(北京)有限公司 | 一种驱动电路、相关电路和装置 |
CN112637996A (zh) * | 2019-12-30 | 2021-04-09 | 杰华特微电子(杭州)有限公司 | Led驱动电路及控制方法 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN107979899A (zh) | 一种线性工频泵馈电恒流电路及具有它的led灯 | |
CN103503573A (zh) | Led灯和包含该led灯的照明装置 | |
CN105871194A (zh) | 基于反激变换器辅助绕组的Step-down Cuk/Flyback单级低纹波LED驱动电路 | |
CN208300070U (zh) | 基于调频镇流实现恒流的大功率led驱动电路 | |
CN105792421B (zh) | 一种无桥式led驱动电源 | |
CN105935006B (zh) | 一种兼容可控硅调光器的led驱动电路 | |
CN107567130A (zh) | 供电电路及应用其的led驱动电路 | |
CN109348587A (zh) | 一种具有高pf无频闪的led恒流驱动电路 | |
CN207995445U (zh) | 一种线性工频泵馈电恒流电路及具有它的led灯 | |
CN106208646B (zh) | 一种直接滤波式开关电源 | |
CN208623949U (zh) | 一种双电压双光源的led光源 | |
CN203827558U (zh) | 一种兼容电子镇流器的led灯电源装置 | |
CN104219855B (zh) | 基于apfc的无频闪led恒流驱动控制电路 | |
CN207150898U (zh) | 防止led照明装置下电回闪电路 | |
CN206596261U (zh) | 驱动电路 | |
CN205847658U (zh) | 可延时照明电路及装置 | |
CN108040400A (zh) | Led驱动电路和led灯具 | |
CN104768282A (zh) | 一种开关调光的led驱动控制电路 | |
CN104039043A (zh) | 无极性电容器降分压整流线性led驱动电路 | |
CN104936340B (zh) | 无纹波led灯电源电路及消除led灯电源纹波的方法 | |
CN201491314U (zh) | Led日光灯驱动电路 | |
CN105657896B (zh) | 具有新型启动电路的交流调光led驱动器及led照明系统 | |
CN204707050U (zh) | 新型整流滤波电路 | |
CN108521694A (zh) | 一种带反馈变频恒流驱动的led半桥电路 | |
CN103917020B (zh) | 一种led驱动电路 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
CB02 | Change of applicant information | ||
CB02 | Change of applicant information |
Address after: 215600 4 building, H building, Zhangjiagang economic and Technological Development Zone, Jiangsu. Applicant after: Suzhou Feida Asahi Electronics Co. Ltd Address before: 215000 No. 2 Pei Yuan Road, hi tech Zone, Suzhou, Jiangsu Applicant before: Suzhou Feida Asahi Electronics Co. Ltd |
|
TA01 | Transfer of patent application right | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20201201 Address after: 528329 nine, South Road, Taiping Village, Junan Town, Shunde District, Foshan, Guangdong, nine Applicant after: GUANGDONG GDLED Co.,Ltd. Address before: 215600 4th Floor, Building H, Zhangjiagang Economic and Technological Development Zone, Jiangsu Province Applicant before: SUZHOU FAYTECH MICROELECTRONIC Co.,Ltd. |