CN109922559B - 一种恒流控制模块、非隔离降压电路及恒流控制方法 - Google Patents
一种恒流控制模块、非隔离降压电路及恒流控制方法 Download PDFInfo
- Publication number
- CN109922559B CN109922559B CN201711330720.4A CN201711330720A CN109922559B CN 109922559 B CN109922559 B CN 109922559B CN 201711330720 A CN201711330720 A CN 201711330720A CN 109922559 B CN109922559 B CN 109922559B
- Authority
- CN
- China
- Prior art keywords
- inductor
- current control
- current
- constant
- constant current
- 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
- 238000000034 method Methods 0.000 title claims abstract description 34
- 238000005070 sampling Methods 0.000 claims abstract description 60
- 238000001514 detection method Methods 0.000 claims abstract description 44
- 230000005347 demagnetization Effects 0.000 claims abstract description 26
- 238000004146 energy storage Methods 0.000 claims abstract description 5
- 230000001965 increasing effect Effects 0.000 claims abstract description 5
- 239000003990 capacitor Substances 0.000 claims description 22
- 238000005516 engineering process Methods 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 abstract description 16
- 238000010586 diagram Methods 0.000 description 5
- 238000004806 packaging method and process Methods 0.000 description 5
- 230000017525 heat dissipation Effects 0.000 description 4
- 230000001360 synchronised effect Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000001939 inductive effect Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
Abstract
Description
Claims (11)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711330720.4A CN109922559B (zh) | 2017-12-13 | 2017-12-13 | 一种恒流控制模块、非隔离降压电路及恒流控制方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711330720.4A CN109922559B (zh) | 2017-12-13 | 2017-12-13 | 一种恒流控制模块、非隔离降压电路及恒流控制方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN109922559A CN109922559A (zh) | 2019-06-21 |
CN109922559B true CN109922559B (zh) | 2021-04-27 |
Family
ID=66958996
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201711330720.4A Active CN109922559B (zh) | 2017-12-13 | 2017-12-13 | 一种恒流控制模块、非隔离降压电路及恒流控制方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN109922559B (zh) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102740568A (zh) * | 2012-07-12 | 2012-10-17 | 西北工业大学 | 带功率因数校正功能的非隔离式led电源 |
CN103167670A (zh) * | 2011-12-14 | 2013-06-19 | 上海北京大学微电子研究院 | Led驱动电路及恒流控制方法 |
CN204652217U (zh) * | 2015-05-11 | 2015-09-16 | 杭州士兰微电子股份有限公司 | Led驱动电路及其开关电源控制器 |
CN106332390A (zh) * | 2015-06-30 | 2017-01-11 | 华润矽威科技(上海)有限公司 | 一种非隔离led恒流驱动芯片、电路及方法 |
CN106329959A (zh) * | 2015-06-30 | 2017-01-11 | 华润矽威科技(上海)有限公司 | 高压自供电电路 |
-
2017
- 2017-12-13 CN CN201711330720.4A patent/CN109922559B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103167670A (zh) * | 2011-12-14 | 2013-06-19 | 上海北京大学微电子研究院 | Led驱动电路及恒流控制方法 |
CN102740568A (zh) * | 2012-07-12 | 2012-10-17 | 西北工业大学 | 带功率因数校正功能的非隔离式led电源 |
CN204652217U (zh) * | 2015-05-11 | 2015-09-16 | 杭州士兰微电子股份有限公司 | Led驱动电路及其开关电源控制器 |
CN106332390A (zh) * | 2015-06-30 | 2017-01-11 | 华润矽威科技(上海)有限公司 | 一种非隔离led恒流驱动芯片、电路及方法 |
CN106329959A (zh) * | 2015-06-30 | 2017-01-11 | 华润矽威科技(上海)有限公司 | 高压自供电电路 |
Also Published As
Publication number | Publication date |
---|---|
CN109922559A (zh) | 2019-06-21 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN101389168B (zh) | 高压大功率led恒流驱动装置 | |
CN202005042U (zh) | 一种高功率因数的新型led驱动电路 | |
TWI516010B (zh) | AC / DC converter | |
US8482214B2 (en) | Apparatus and methods of operation of passive LED lighting equipment | |
EP2496056B1 (en) | Constant-current-drive led module device | |
US7729139B2 (en) | Current source inverter with energy clamp circuit and controlling method thereof having relatively better effectiveness | |
Liu et al. | Buck–boost–buck-type single-switch multistring resonant LED driver with high power factor and passive current balancing | |
CN211240188U (zh) | 一种dob一体化led恒流线路 | |
US9485829B2 (en) | Alternating current rectifying circuit and alternating current rectifying method for driving LED module | |
KR20120009382A (ko) | 발광 장치 구동 회로 | |
US20100270930A1 (en) | Apparatus and methods of operation of passive led lighting equipment | |
US20150373794A1 (en) | Alternating current rectifying circuit and alternating current rectifying method for driving led module | |
CN202455626U (zh) | 一种led射灯驱动电源 | |
CN202634839U (zh) | Led驱动电路及led照明灯 | |
CN105101572B (zh) | 一种高功率因数led驱动集成电路 | |
CN109922559B (zh) | 一种恒流控制模块、非隔离降压电路及恒流控制方法 | |
CN102752895B (zh) | 具有恒流、恒压及保护功能的电容降压led照明 | |
TWM412574U (en) | Driving circuit of light emitting diode | |
CN114765913B (zh) | 一种开关降压型led恒流控制器、控制系统及控制方法 | |
CN104023451A (zh) | 照明用的发光二极管的无变压器电源 | |
CN207505178U (zh) | 一种led恒流源系统 | |
KR20110139553A (ko) | 조명용 역률 보상 회로 및 구동 방법 | |
CN216057574U (zh) | 多段开关降压电路和led灯具 | |
CN104767404A (zh) | 超高压电压调节器 | |
CN213991100U (zh) | 一种内置整流桥的led恒流线路 |
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 | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20210108 Address after: 214135 -6, Linghu Avenue, Wuxi Taihu international science and Technology Park, Wuxi, Jiangsu, China, 180 Applicant after: China Resources micro integrated circuit (Wuxi) Co.,Ltd. Address before: 9-10 / F, building 4 (i.e. building a), 100 Zixiu Road, Minhang District, Shanghai, 201103 Applicant before: CHINA RESOURCES POWTECH (SHANGHAI) Co.,Ltd. |
|
TA01 | Transfer of patent application right | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A constant current control module, non isolated step-down circuit, and constant current control method Effective date of registration: 20231008 Granted publication date: 20210427 Pledgee: Bank of China Limited Wuxi Branch Pledgor: China Resources micro integrated circuit (Wuxi) Co.,Ltd. Registration number: Y2023980060027 |
|
PE01 | Entry into force of the registration of the contract for pledge of patent right |