CN202857054U - Constant-current drive device for LED circuit - Google Patents
Constant-current drive device for LED circuit Download PDFInfo
- Publication number
- CN202857054U CN202857054U CN 201220453009 CN201220453009U CN202857054U CN 202857054 U CN202857054 U CN 202857054U CN 201220453009 CN201220453009 CN 201220453009 CN 201220453009 U CN201220453009 U CN 201220453009U CN 202857054 U CN202857054 U CN 202857054U
- Authority
- CN
- China
- Prior art keywords
- voltage
- resistance
- electric capacity
- operational amplifier
- stabiliser tube
- 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
Images
Abstract
Description
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201220453009 CN202857054U (en) | 2012-09-07 | 2012-09-07 | Constant-current drive device for LED circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201220453009 CN202857054U (en) | 2012-09-07 | 2012-09-07 | Constant-current drive device for LED circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
CN202857054U true CN202857054U (en) | 2013-04-03 |
Family
ID=47988195
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 201220453009 Expired - Fee Related CN202857054U (en) | 2012-09-07 | 2012-09-07 | Constant-current drive device for LED circuit |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN202857054U (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103259186A (en) * | 2013-04-27 | 2013-08-21 | 南京理工大学 | Semiconductor laser power supply device based on PWM control |
CN103687137A (en) * | 2012-09-07 | 2014-03-26 | 成都默一科技有限公司 | Constant-current driving device for LED circuit |
CN104219812A (en) * | 2013-05-30 | 2014-12-17 | 深圳市海洋王照明工程有限公司 | Constant current sampling circuit and lamp thereof |
-
2012
- 2012-09-07 CN CN 201220453009 patent/CN202857054U/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103687137A (en) * | 2012-09-07 | 2014-03-26 | 成都默一科技有限公司 | Constant-current driving device for LED circuit |
CN103259186A (en) * | 2013-04-27 | 2013-08-21 | 南京理工大学 | Semiconductor laser power supply device based on PWM control |
CN104219812A (en) * | 2013-05-30 | 2014-12-17 | 深圳市海洋王照明工程有限公司 | Constant current sampling circuit and lamp thereof |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
AU2014100619A4 (en) | Electronic transformer-controlled two-wire two-way led (light-emitting diode) lamp string | |
CN102105007B (en) | LED constant-current driver with boosting function | |
CN203895095U (en) | Backlight power supply circuit of display screen | |
CN102832818A (en) | Constant-voltage power circuit based on single chip processor and constant-voltage power supply device | |
CN202857054U (en) | Constant-current drive device for LED circuit | |
CN202818688U (en) | Constant-current drive apparatus used for LED circuit | |
CN203761633U (en) | Energy-saving LED traffic light with long service life | |
CN103687137A (en) | Constant-current driving device for LED circuit | |
CN203814023U (en) | PAM2842-based dimmable LED driver | |
CN202077247U (en) | Illumination drive power supply for Light-emitting diode (LED) streetlamp | |
CN102238784B (en) | Light-emitting diode (LED) power supply driving circuit | |
CN203675384U (en) | LED lamp driver | |
CN202374179U (en) | Voltage-stabilizing circuit | |
CN107425724B (en) | Flyback power supply preloading device | |
CN102709021B (en) | Control circuit for electromagnet and electromagnetic valve | |
CN103547044A (en) | Voltage stabilizing circuit of LED energy-saving lamp constant-current boost power supply | |
CN201429013Y (en) | LED emergency lighting lamp | |
CN204859636U (en) | Energy -conserving LED drive circuit | |
CN203015236U (en) | A LED driving power supply | |
CN201919225U (en) | High-efficiency high-power-factor LED lamp | |
CN202474845U (en) | Short circuit protection circuit and LED power supply circuit used for active PFC circuit output terminal | |
CN202231900U (en) | LED power supply drive circuit | |
CN201852017U (en) | Solar-energy corridor energy-saving lamp based on sound-light-electricity control | |
CN210745616U (en) | Stroboscopic removing circuit for improving dimming effect of LED lamp | |
CN104640291A (en) | Low-power-consumption voltage-stabilizing power supply for LED (light emitting diode) lamp strip |
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: SHENZHEN HAIYUAN ENERGY SAVING TECHNOLOGY CO., LTD Free format text: FORMER OWNER: CHENGDU MOYI TECHNOLOGY CO., LTD. Effective date: 20131023 |
|
C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 610041 CHENGDU, SICHUAN PROVINCE TO: 518000 SHENZHEN, GUANGDONG PROVINCE |
|
TR01 | Transfer of patent right |
Effective date of registration: 20131023 Address after: 518000 room 1503, Pioneer Park, University Town, Taoyuan street, Nanshan District, Shenzhen, Guangdong Patentee after: SHENZHEN HAIYUAN ENERGY-SAVING CO.,LTD. Address before: High tech Zone Gaopeng road in Chengdu city of Sichuan province 610041 5 block A No. 2 A-320 Patentee before: Monolithic Silicon 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: 20130403 Termination date: 20210907 |