CN107750074A - 线性恒流led驱动电路和灯具 - Google Patents
线性恒流led驱动电路和灯具 Download PDFInfo
- Publication number
- CN107750074A CN107750074A CN201711077253.9A CN201711077253A CN107750074A CN 107750074 A CN107750074 A CN 107750074A CN 201711077253 A CN201711077253 A CN 201711077253A CN 107750074 A CN107750074 A CN 107750074A
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- CN
- China
- Prior art keywords
- voltage
- constant current
- rectifier bridge
- linear constant
- led
- Prior art date
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- 239000004065 semiconductor Substances 0.000 claims description 23
- 239000003990 capacitor Substances 0.000 claims description 21
- 230000001681 protective effect Effects 0.000 claims description 3
- 230000005611 electricity Effects 0.000 description 11
- 239000011324 bead Substances 0.000 description 3
- 230000004907 flux Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005669 field effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000006837 decompression Effects 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000007787 solid Substances 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]
- H05B45/30—Driver circuits
- H05B45/37—Converter circuits
-
- 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]
Abstract
Description
Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711077253.9A CN107750074B (zh) | 2017-11-06 | 2017-11-06 | 线性恒流led驱动电路和灯具 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711077253.9A CN107750074B (zh) | 2017-11-06 | 2017-11-06 | 线性恒流led驱动电路和灯具 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN107750074A true CN107750074A (zh) | 2018-03-02 |
CN107750074B CN107750074B (zh) | 2024-01-09 |
Family
ID=61253506
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201711077253.9A Active CN107750074B (zh) | 2017-11-06 | 2017-11-06 | 线性恒流led驱动电路和灯具 |
Country Status (1)
Country | Link |
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CN (1) | CN107750074B (zh) |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2603929A1 (de) * | 1976-02-03 | 1977-08-04 | Blaupunkt Werke Gmbh | Anordnung zur automatischen netzspannungsumschaltung |
JPH03159567A (ja) * | 1989-11-15 | 1991-07-09 | Matsushita Electric Ind Co Ltd | 直流電源装置 |
CN102510615A (zh) * | 2011-10-25 | 2012-06-20 | 杭州鸿德照明科技有限公司 | 倍压整流高压供电的串联led恒流驱动电路 |
CN103442484A (zh) * | 2013-08-15 | 2013-12-11 | 辉芒微电子(深圳)有限公司 | 一种线性开关恒流led驱动电路及led灯具 |
CN103687150A (zh) * | 2012-09-18 | 2014-03-26 | 张翌 | 一种无过冲led线性恒流驱动电路 |
CN204761761U (zh) * | 2015-05-22 | 2015-11-11 | 刘利霞 | 一种led驱动电路 |
CN207783198U (zh) * | 2017-11-06 | 2018-08-28 | 江西美的贵雅照明有限公司 | 线性恒流led驱动电路和灯具 |
-
2017
- 2017-11-06 CN CN201711077253.9A patent/CN107750074B/zh active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2603929A1 (de) * | 1976-02-03 | 1977-08-04 | Blaupunkt Werke Gmbh | Anordnung zur automatischen netzspannungsumschaltung |
JPH03159567A (ja) * | 1989-11-15 | 1991-07-09 | Matsushita Electric Ind Co Ltd | 直流電源装置 |
CN102510615A (zh) * | 2011-10-25 | 2012-06-20 | 杭州鸿德照明科技有限公司 | 倍压整流高压供电的串联led恒流驱动电路 |
CN103687150A (zh) * | 2012-09-18 | 2014-03-26 | 张翌 | 一种无过冲led线性恒流驱动电路 |
CN103442484A (zh) * | 2013-08-15 | 2013-12-11 | 辉芒微电子(深圳)有限公司 | 一种线性开关恒流led驱动电路及led灯具 |
CN204761761U (zh) * | 2015-05-22 | 2015-11-11 | 刘利霞 | 一种led驱动电路 |
CN207783198U (zh) * | 2017-11-06 | 2018-08-28 | 江西美的贵雅照明有限公司 | 线性恒流led驱动电路和灯具 |
Also Published As
Publication number | Publication date |
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CN107750074B (zh) | 2024-01-09 |
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CB02 | Change of applicant information | ||
CB02 | Change of applicant information |
Address after: 335400 Guixi Industrial Park No. 1, Yingtan City, Jiangxi Province Applicant after: MEIZHI PHOTOELECTRIC TECHNOLOGY Co.,Ltd. Applicant after: MIDEA GROUP Co.,Ltd. Address before: 335400 Guixi Industrial Park No. 1, Yingtan City, Jiangxi Province Applicant before: JIANGXI MIDEA GUIYA LIGHTING Co.,Ltd. Applicant before: MIDEA GROUP Co.,Ltd. |
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TA01 | Transfer of patent application right | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20200529 Address after: 335400 No. 1 Industrial Park, Yingtan, Jiangxi, Guixi Applicant after: MEIZHI PHOTOELECTRIC TECHNOLOGY Co.,Ltd. Address before: 335400 Guixi Industrial Park, Jiangxi, China, No. 1, No. Applicant before: MEIZHI PHOTOELECTRIC TECHNOLOGY Co.,Ltd. Applicant before: MIDEA GROUP Co.,Ltd. |
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CB02 | Change of applicant information | ||
CB02 | Change of applicant information |
Address after: 335400 No. 1 Industrial Park, Yingtan, Jiangxi, Guixi Applicant after: Meizhi Optoelectronic Technology Co.,Ltd. Address before: 335400 No. 1 Industrial Park, Yingtan, Jiangxi, Guixi Applicant before: MEIZHI PHOTOELECTRIC TECHNOLOGY Co.,Ltd. |
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