JP6792536B2 - Led点灯装置 - Google Patents
Led点灯装置 Download PDFInfo
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- JP6792536B2 JP6792536B2 JP2017200745A JP2017200745A JP6792536B2 JP 6792536 B2 JP6792536 B2 JP 6792536B2 JP 2017200745 A JP2017200745 A JP 2017200745A JP 2017200745 A JP2017200745 A JP 2017200745A JP 6792536 B2 JP6792536 B2 JP 6792536B2
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- power supply
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- control
- lighting
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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
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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- Circuit Arrangement For Electric Light Sources In General (AREA)
Description
10:AC電源入力端子
20:フィルタ回路
30:整流回路
40:PFC回路
50:平滑回路
60:点灯回路
70:LED光源
80:制御回路
81:AC電源遮断判定回路
90:制御電源回路
200:切替回路部
Claims (1)
- AC電源通電状態から、ある一定時間AC電源を遮断し、再度AC電源が供給された場合に、AC電源遮断前の点灯状態から別の点灯状態へ移行させる機能を有したLEDを光源とするLED点灯装置において、
少なくともAC電源入力端子とAC電源を整流し直流電圧に変換する整流回路と、整流した直流電圧を平滑する平滑回路と、その平滑した電圧を電源としてLED光源を安定して点灯させる点灯回路と、点灯回路を制御する制御回路と、その制御回路を動作させるための電解コンデンサを有する前記平滑回路から電力を受給する制御電源回路とを有し、
前記制御回路はAC電源の遮断時間を判定するAC電源遮断判定回路とその他の制御回路とで構成され、
AC電源が遮断されたとき前記制御電源回路は前記AC電源遮断判定回路のみに電源供給し、前記制御回路のその他の制御回路へは電源供給を遮断するように機能する切替回路部を有することを特徴とするLED点灯装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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JP2017200745A JP6792536B2 (ja) | 2017-10-17 | 2017-10-17 | Led点灯装置 |
Applications Claiming Priority (1)
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JP2017200745A JP6792536B2 (ja) | 2017-10-17 | 2017-10-17 | Led点灯装置 |
Publications (2)
Publication Number | Publication Date |
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JP2019075285A JP2019075285A (ja) | 2019-05-16 |
JP6792536B2 true JP6792536B2 (ja) | 2020-11-25 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2017200745A Active JP6792536B2 (ja) | 2017-10-17 | 2017-10-17 | Led点灯装置 |
Country Status (1)
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JP (1) | JP6792536B2 (ja) |
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2017
- 2017-10-17 JP JP2017200745A patent/JP6792536B2/ja active Active
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JP2019075285A (ja) | 2019-05-16 |
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