CN109699099B - 应用于led照明设备的调光控制装置及方法 - Google Patents
应用于led照明设备的调光控制装置及方法 Download PDFInfo
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- CN109699099B CN109699099B CN201710986572.5A CN201710986572A CN109699099B CN 109699099 B CN109699099 B CN 109699099B CN 201710986572 A CN201710986572 A CN 201710986572A CN 109699099 B CN109699099 B CN 109699099B
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- pwm signal
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- dimming control
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- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000005070 sampling Methods 0.000 claims abstract description 67
- 238000007599 discharging Methods 0.000 claims description 9
- 239000003990 capacitor Substances 0.000 claims description 7
- 230000005669 field effect Effects 0.000 claims description 7
- 230000008859 change Effects 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 5
- 230000007423 decrease Effects 0.000 description 6
- 230000001276 controlling effect Effects 0.000 description 5
- 230000003247 decreasing effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
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- 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]
- H05B45/10—Controlling the intensity of the light
-
- 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]
- H05B45/10—Controlling the intensity of the light
- H05B45/14—Controlling the intensity of the light using electrical feedback from LEDs or from LED modules
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- 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
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Application Number | Priority Date | Filing Date | Title |
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CN201710986572.5A CN109699099B (zh) | 2017-10-20 | 2017-10-20 | 应用于led照明设备的调光控制装置及方法 |
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CN201710986572.5A CN109699099B (zh) | 2017-10-20 | 2017-10-20 | 应用于led照明设备的调光控制装置及方法 |
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CN109699099A CN109699099A (zh) | 2019-04-30 |
CN109699099B true CN109699099B (zh) | 2021-03-02 |
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CN201710986572.5A Active CN109699099B (zh) | 2017-10-20 | 2017-10-20 | 应用于led照明设备的调光控制装置及方法 |
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Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN114222396B (zh) * | 2021-12-10 | 2022-09-20 | 陕西亚成微电子股份有限公司 | 一种基于pwm调光的led控制电路和方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN202261022U (zh) * | 2011-09-23 | 2012-05-30 | 东南大学 | 一种单电感双输出dc-dc开关电源的控制电路 |
CN202872629U (zh) * | 2012-10-15 | 2013-04-10 | 深圳市明微电子股份有限公司 | 一种开关电源及其恒压输出控制器 |
CN105472827B (zh) * | 2014-08-22 | 2018-11-09 | 比亚迪股份有限公司 | Led驱动控制电路及其控制芯片 |
KR20160119385A (ko) * | 2015-04-03 | 2016-10-13 | 주식회사 유티솔 | 엘이디 구동 제어 시스템 |
US20170006684A1 (en) * | 2015-07-02 | 2017-01-05 | Delta Electronics, Inc. | Led lighting module having tunable correlated color temperature and control method thereof |
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Effective date of registration: 20191112 Address after: 201100 Shanghai city Minhang District Shuying Road No. 1280 Applicant after: SHANGHAI SANSI ELECTRONIC ENGINEERING Co.,Ltd. Applicant after: Shanghai Sansi Technology Co.,Ltd. Applicant after: JIASHAN SANSI OPTOELECTRONIC TECHNOLOGY Co.,Ltd. Address before: 201100 Shanghai city Minhang District Shuying Road No. 1280 Applicant before: SHANGHAI SANSI ELECTRONIC ENGINEERING Co.,Ltd. Applicant before: SANSI OPTOELECTRONICS TECHNOLOGY (SHANGHAI) Co.,Ltd. Applicant before: Shanghai Sansi Technology Co.,Ltd. Applicant before: JIASHAN SANSI OPTOELECTRONIC TECHNOLOGY Co.,Ltd. |
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Effective date of registration: 20221026 Address after: 201100 Shanghai city Minhang District Shuying Road No. 1280 Patentee after: SHANGHAI SANSI ELECTRONIC ENGINEERING Co.,Ltd. Patentee after: Shanghai Sansi Technology Co.,Ltd. Patentee after: JIASHAN SANSI OPTOELECTRONIC TECHNOLOGY Co.,Ltd. Patentee after: PUJIANG SANSI PHOTOELECTRIC TECHNOLOGY Co.,Ltd. Address before: 201100 Shanghai city Minhang District Shuying Road No. 1280 Patentee before: SHANGHAI SANSI ELECTRONIC ENGINEERING Co.,Ltd. Patentee before: Shanghai Sansi Technology Co.,Ltd. Patentee before: JIASHAN SANSI OPTOELECTRONIC TECHNOLOGY Co.,Ltd. |
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Effective date of registration: 20231127 Address after: 322200 no.388, yidianhong Avenue, Pujiang County, Jinhua City, Zhejiang Province Patentee after: PUJIANG SANSI PHOTOELECTRIC TECHNOLOGY Co.,Ltd. Address before: 201100 Shanghai city Minhang District Shuying Road No. 1280 Patentee before: SHANGHAI SANSI ELECTRONIC ENGINEERING Co.,Ltd. Patentee before: Shanghai Sansi Technology Co.,Ltd. Patentee before: JIASHAN SANSI OPTOELECTRONIC TECHNOLOGY Co.,Ltd. Patentee before: PUJIANG SANSI PHOTOELECTRIC TECHNOLOGY Co.,Ltd. |
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