CN107820348A - A kind of linear full voltage frequency-conversion constant-current circuit and there is its LED - Google Patents
A kind of linear full voltage frequency-conversion constant-current circuit and there is its LED Download PDFInfo
- Publication number
- CN107820348A CN107820348A CN201711265867.XA CN201711265867A CN107820348A CN 107820348 A CN107820348 A CN 107820348A CN 201711265867 A CN201711265867 A CN 201711265867A CN 107820348 A CN107820348 A CN 107820348A
- Authority
- CN
- China
- Prior art keywords
- constant current
- switch
- switch constant
- current tube
- 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.)
- Granted
Links
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 23
- 238000001514 detection method Methods 0.000 claims description 17
- 238000007689 inspection Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 3
- 230000005611 electricity Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification 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]
Landscapes
- Dc-Dc Converters (AREA)
- Rectifiers (AREA)
Abstract
Description
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711265867.XA CN107820348B (en) | 2017-12-05 | 2017-12-05 | Linear full-voltage variable-frequency constant-current circuit and LED lamp with same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711265867.XA CN107820348B (en) | 2017-12-05 | 2017-12-05 | Linear full-voltage variable-frequency constant-current circuit and LED lamp with same |
Publications (2)
Publication Number | Publication Date |
---|---|
CN107820348A true CN107820348A (en) | 2018-03-20 |
CN107820348B CN107820348B (en) | 2023-11-24 |
Family
ID=61606228
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201711265867.XA Active CN107820348B (en) | 2017-12-05 | 2017-12-05 | Linear full-voltage variable-frequency constant-current circuit and LED lamp with same |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN107820348B (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020082701A1 (en) * | 2018-10-26 | 2020-04-30 | 苏州菲达旭微电子有限公司 | Half-voltage power supply ripple-free led circuit |
CN111385937A (en) * | 2019-11-20 | 2020-07-07 | 宁波凯耀电器制造有限公司 | Miniaturized intelligent lamp |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20140152195A1 (en) * | 2012-11-14 | 2014-06-05 | Shenzhen China Star Optoelectronics Technology Co., Ltd | Method for Overcoming Excessively High Temperature of Constant Current Driving Chip and LED Light Bar Driving Circuit |
CN104093252A (en) * | 2014-07-16 | 2014-10-08 | 浙江大学 | A flicker-free non-isolated LED constant current drive circuit |
CN105392256A (en) * | 2015-12-04 | 2016-03-09 | 佛山电器照明股份有限公司 | LED linear current-constant light modulation circuit |
CN205883635U (en) * | 2016-06-28 | 2017-01-11 | 深圳市明微电子股份有限公司 | Linear LED switch mixing of colors drive circuit that adjusts luminance in step |
CN106954313A (en) * | 2017-05-03 | 2017-07-14 | 南京微客力科技有限公司 | A kind of LED linear constant-current drive circuit of self adaptation line voltage |
CN206674250U (en) * | 2017-03-28 | 2017-11-24 | 深圳市明微电子股份有限公司 | A kind of controllable silicon light modulation linear constant current circuit |
CN207491269U (en) * | 2017-12-05 | 2018-06-12 | 苏州菲达旭微电子有限公司 | A linear full-voltage variable-frequency constant-current circuit and its LED lamp |
-
2017
- 2017-12-05 CN CN201711265867.XA patent/CN107820348B/en active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20140152195A1 (en) * | 2012-11-14 | 2014-06-05 | Shenzhen China Star Optoelectronics Technology Co., Ltd | Method for Overcoming Excessively High Temperature of Constant Current Driving Chip and LED Light Bar Driving Circuit |
CN104093252A (en) * | 2014-07-16 | 2014-10-08 | 浙江大学 | A flicker-free non-isolated LED constant current drive circuit |
CN105392256A (en) * | 2015-12-04 | 2016-03-09 | 佛山电器照明股份有限公司 | LED linear current-constant light modulation circuit |
CN205883635U (en) * | 2016-06-28 | 2017-01-11 | 深圳市明微电子股份有限公司 | Linear LED switch mixing of colors drive circuit that adjusts luminance in step |
CN206674250U (en) * | 2017-03-28 | 2017-11-24 | 深圳市明微电子股份有限公司 | A kind of controllable silicon light modulation linear constant current circuit |
CN106954313A (en) * | 2017-05-03 | 2017-07-14 | 南京微客力科技有限公司 | A kind of LED linear constant-current drive circuit of self adaptation line voltage |
CN207491269U (en) * | 2017-12-05 | 2018-06-12 | 苏州菲达旭微电子有限公司 | A linear full-voltage variable-frequency constant-current circuit and its LED lamp |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020082701A1 (en) * | 2018-10-26 | 2020-04-30 | 苏州菲达旭微电子有限公司 | Half-voltage power supply ripple-free led circuit |
CN111385937A (en) * | 2019-11-20 | 2020-07-07 | 宁波凯耀电器制造有限公司 | Miniaturized intelligent lamp |
Also Published As
Publication number | Publication date |
---|---|
CN107820348B (en) | 2023-11-24 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN101404844B (en) | LED light modulation apparatus suitable for controlled silicon dimmer | |
CN105979662A (en) | LED constant current drive circuit and LED lighting device | |
CN104981060B (en) | A kind of linear constant current LED drive device reducing wick quantity | |
CN105142260A (en) | LED driving circuit applicable to silicon controlled rectifier light modulator, and control circuit thereof | |
CN103312308A (en) | Thyristor triggering device and method | |
CN105142282B (en) | LED segmented alternate conduction circuits and its driving method based on MCU | |
CN105230126A (en) | Use the LED drive circuit of doube bridge diode and comprise its LED light device | |
CN109309992A (en) | A kind of ripple-free LED circuit of half pressure power supply | |
CN101843169A (en) | Led driver | |
CN105792421A (en) | A bridgeless LED drive power supply | |
CN107820348A (en) | A kind of linear full voltage frequency-conversion constant-current circuit and there is its LED | |
CN108650738A (en) | A kind of LED control circuit | |
CN201290191Y (en) | LED light modulation apparatus suitable for controlled silicon dimmer | |
CN207491269U (en) | A linear full-voltage variable-frequency constant-current circuit and its LED lamp | |
CN107710872A (en) | LED light source with improved aura reduction | |
CN205546073U (en) | There is not stroboscopic LED drive circuit | |
TW201212702A (en) | LED driving system | |
CN108012380A (en) | A kind of linear Width funtion constant current and constant power circuit and there is its LED light | |
CN206164934U (en) | Linear constant -current drive circuit of LED and LED lighting device | |
CN106572573B (en) | The AC/DC power circuit and its control method and method of supplying power to of compatible silicon controlled light modulation | |
CN108040400A (en) | LED drive circuit and LED lamp | |
CN214205909U (en) | CDR current-limiting constant current LED drive circuit | |
CN107071961A (en) | It is a kind of effectively to weaken the high-voltage LED light bar of stroboscopic phenomenon | |
CN203537623U (en) | LED driving power supply | |
CN203340372U (en) | LED lamp driving power supply employing analog dimming |
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 FEIDAXU MICRO-ELECTRONICS Co.,Ltd. Address before: 215000 No. 2 Pei Yuan Road, hi tech Zone, Suzhou, Jiangsu Applicant before: SUZHOU FEIDAXU MICRO-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 FEIDAXU MICRO-ELECTRONICS Co.,Ltd. |
|
TA01 | Transfer of patent application right | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20210324 Address after: 518001 Room 201, building A, No. 1, Qian Wan Road, Qianhai Shenzhen Hong Kong cooperation zone, Shenzhen, Guangdong (Shenzhen Qianhai business secretary Co., Ltd.) Applicant after: Guangmei Technology Co.,Ltd. Address before: No.9-9, South Road, Taiping Village, Jun'an Town, Shunde District, Foshan City, Guangdong Province 528329 Applicant before: GUANGDONG GDLED Co.,Ltd. |
|
GR01 | Patent grant | ||
GR01 | Patent grant |