CN208063509U - Led低压驱动电路和led灯具 - Google Patents
Led低压驱动电路和led灯具 Download PDFInfo
- Publication number
- CN208063509U CN208063509U CN201820025273.5U CN201820025273U CN208063509U CN 208063509 U CN208063509 U CN 208063509U CN 201820025273 U CN201820025273 U CN 201820025273U CN 208063509 U CN208063509 U CN 208063509U
- Authority
- CN
- China
- Prior art keywords
- capacitance
- led
- output
- driving circuits
- output end
- 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.)
- Active
Links
- 230000001629 suppression Effects 0.000 claims abstract description 44
- 230000002401 inhibitory effect Effects 0.000 claims abstract description 8
- 238000004146 energy storage Methods 0.000 claims description 43
- 239000011324 bead Substances 0.000 claims description 35
- 230000005764 inhibitory process Effects 0.000 claims description 35
- 238000001914 filtration Methods 0.000 claims description 32
- 238000005070 sampling Methods 0.000 claims description 18
- 239000003990 capacitor Substances 0.000 claims description 14
- 230000005611 electricity Effects 0.000 claims description 9
- 230000006837 decompression Effects 0.000 claims description 6
- 230000000630 rising effect Effects 0.000 claims 1
- 208000032365 Electromagnetic interference Diseases 0.000 abstract description 3
- 230000002829 reductive effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 7
- 238000010276 construction Methods 0.000 description 6
- 230000006870 function Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 238000007600 charging Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910052736 halogen Inorganic materials 0.000 description 2
- 150000002367 halogens Chemical class 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- QELJHCBNGDEXLD-UHFFFAOYSA-N nickel zinc Chemical compound [Ni].[Zn] QELJHCBNGDEXLD-UHFFFAOYSA-N 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 1
- 241001465382 Physalis alkekengi Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- CUZMQPZYCDIHQL-VCTVXEGHSA-L calcium;(2s)-1-[(2s)-3-[(2r)-2-(cyclohexanecarbonylamino)propanoyl]sulfanyl-2-methylpropanoyl]pyrrolidine-2-carboxylate Chemical group [Ca+2].N([C@H](C)C(=O)SC[C@@H](C)C(=O)N1[C@@H](CCC1)C([O-])=O)C(=O)C1CCCCC1.N([C@H](C)C(=O)SC[C@@H](C)C(=O)N1[C@@H](CCC1)C([O-])=O)C(=O)C1CCCCC1 CUZMQPZYCDIHQL-VCTVXEGHSA-L 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 230000009711 regulatory function Effects 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Dc-Dc Converters (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
Description
| 管脚号 | 管脚名称 | 描述 |
| 1 | OVP | 过压保护端,连接至输出脚和地之间的分压电阻 |
| 2 | COMP | 环路补偿端,连接补偿电阻(可选)串联补偿电容到地 |
| 3 | DIM | 调光输入端,不调光时悬空 |
| 4 | GND | 芯片接地端 |
| 5 | SW | 开关端,连接内部MOSFET漏极及外部整流二极管阳极 |
| 6 | VDD | 芯片的内部电源输出端 |
| 7 | VOUT | 输出电压连接点,并提供对芯片供电 |
| 8 | CS | LED电流采样端,连接采样电阻到VOUT端 |
Claims (12)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820025273.5U CN208063509U (zh) | 2018-01-08 | 2018-01-08 | Led低压驱动电路和led灯具 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820025273.5U CN208063509U (zh) | 2018-01-08 | 2018-01-08 | Led低压驱动电路和led灯具 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208063509U true CN208063509U (zh) | 2018-11-06 |
Family
ID=63995583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820025273.5U Active CN208063509U (zh) | 2018-01-08 | 2018-01-08 | Led低压驱动电路和led灯具 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208063509U (zh) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108024420A (zh) * | 2018-01-08 | 2018-05-11 | 江西美的贵雅照明有限公司 | Led低压驱动电路和led灯具 |
| CN109757977A (zh) * | 2018-12-29 | 2019-05-17 | 九阳股份有限公司 | 一种电热水壶 |
| CN113453405A (zh) * | 2021-07-16 | 2021-09-28 | 芯知微(上海)电子科技有限公司 | 一种led驱动电路及led灯具 |
-
2018
- 2018-01-08 CN CN201820025273.5U patent/CN208063509U/zh active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108024420A (zh) * | 2018-01-08 | 2018-05-11 | 江西美的贵雅照明有限公司 | Led低压驱动电路和led灯具 |
| CN108024420B (zh) * | 2018-01-08 | 2023-07-28 | 美智光电科技股份有限公司 | Led低压驱动电路和led灯具 |
| CN109757977A (zh) * | 2018-12-29 | 2019-05-17 | 九阳股份有限公司 | 一种电热水壶 |
| CN113453405A (zh) * | 2021-07-16 | 2021-09-28 | 芯知微(上海)电子科技有限公司 | 一种led驱动电路及led灯具 |
| CN113453405B (zh) * | 2021-07-16 | 2023-01-13 | 芯知微(上海)电子科技有限公司 | 一种led驱动电路及led灯具 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101925230B (zh) | 高效率低功耗低成本led驱动电源 | |
| CN106208759B (zh) | 一种带有源功率因数校正的开关电源 | |
| CN109196952A (zh) | 用于发光二极管光源的负载控制装置 | |
| CN107567130A (zh) | 供电电路及应用其的led驱动电路 | |
| CN208063509U (zh) | Led低压驱动电路和led灯具 | |
| CN108024420A (zh) | Led低压驱动电路和led灯具 | |
| CN201700061U (zh) | 高功率因素led电源驱动器 | |
| CN108770117A (zh) | 一种兼容电子变压器的整合式led驱动电源 | |
| CN110798927B (zh) | 一种基于t型灯管的led驱动电路 | |
| CN106208646B (zh) | 一种直接滤波式开关电源 | |
| CN106093665B (zh) | 一种开关电源用指示电路及其使用方法 | |
| CN205249551U (zh) | 一种led应急球泡灯电路结构 | |
| CN107148113B (zh) | 一种用于t型灯管的led驱动电路 | |
| CN206498569U (zh) | 一种大功率led驱动电源 | |
| CN207304984U (zh) | 一种基于单级pfc的可调光led驱动电路 | |
| CN207010543U (zh) | 一种低谐波渐亮渐灭led调光驱动器 | |
| CN202335026U (zh) | Led驱动电路和led驱动芯片 | |
| CN212211462U (zh) | 一种具有多路输出的led灯驱动电源 | |
| CN207099392U (zh) | 供电电路及应用其的led驱动电路 | |
| CN202077230U (zh) | 匹配电子变压器的led电源电路 | |
| CN105072766B (zh) | 多功能应急灯电源装置及其控制方法 | |
| CN105764178A (zh) | 一种无频闪的分段式恒流led驱动电路 | |
| CN216852445U (zh) | 非隔离无频闪开关调色温电源 | |
| CN102932998B (zh) | 一种电源转换器 | |
| CN207118025U (zh) | 交流电路模块和led光源 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 335400 Guixi Industrial Park No. 1, Yingtan City, Jiangxi Province Co-patentee after: Midea Group Co., Ltd. Patentee after: Meizhi Photoelectric Technology Co., Ltd. Address before: 335400 Guixi Industrial Park No. 1, Yingtan City, Jiangxi Province Co-patentee before: Midea Group Co., Ltd. Patentee before: Jiangxi Meidi Guiya Lighting Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200616 Address after: 335400 No. 1 Industrial Park, Yingtan, Jiangxi, Guixi Patentee after: MEIZHI PHOTOELECTRIC TECHNOLOGY Co.,Ltd. Address before: 335400 No. 1 Industrial Park, Yingtan, Jiangxi, Guixi Co-patentee before: MIDEA GROUP Co.,Ltd. Patentee before: MEIZHI PHOTOELECTRIC TECHNOLOGY Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 335400 No. 1 Industrial Park, Yingtan, Jiangxi, Guixi Patentee after: Meizhi Optoelectronic Technology Co., Ltd Address before: 335400 No. 1 Industrial Park, Yingtan, Jiangxi, Guixi Patentee before: MEIZHI PHOTOELECTRIC TECHNOLOGY Co.,Ltd. |