JP2012028222A - Ledランプ用電源装置およびledランプシステム - Google Patents
Ledランプ用電源装置およびledランプシステム Download PDFInfo
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- JP2012028222A JP2012028222A JP2010167191A JP2010167191A JP2012028222A JP 2012028222 A JP2012028222 A JP 2012028222A JP 2010167191 A JP2010167191 A JP 2010167191A JP 2010167191 A JP2010167191 A JP 2010167191A JP 2012028222 A JP2012028222 A JP 2012028222A
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- Prior art keywords
- led lamp
- power supply
- led
- voltage
- detection resistor
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- 238000001514 detection method Methods 0.000 claims description 56
- 238000009499 grossing Methods 0.000 description 8
- 230000001681 protective effect Effects 0.000 description 7
- 239000003990 capacitor Substances 0.000 description 6
- 239000000758 substrate Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 235000010724 Wisteria floribunda Nutrition 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
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Classifications
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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]
- H05B45/50—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits
-
- 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
- H05B45/357—Driver circuits specially adapted for retrofit LED light sources
- H05B45/3578—Emulating the electrical or functional characteristics of discharge lamps
-
- 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
-
- 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
- H05B45/355—Power factor correction [PFC]; Reactive power compensation
-
- 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
- H05B45/3725—Switched mode power supply [SMPS]
- H05B45/375—Switched mode power supply [SMPS] using buck topology
-
- 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
- H05B45/395—Linear regulators
-
- 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]
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
【解決手段】専用電源15は、直流電源部35を有する。専用電源15は、直流電源部35からの電力供給を受け、LED素子25およびLED素子25に並列に接続した検出用抵抗器26を備えたLEDランプ14を点灯制御する点灯回路36を有する。専用電源15は、LEDランプ14の着脱による検出用抵抗器26の着脱により可変する電圧レベルに基づいてLEDランプ14の装着の有無を検出する装着検出部37を有する。
【選択図】図1
Description
14 LEDランプ
15 LEDランプ用電源装置としての専用電源
25 LED素子
26 検出用抵抗器
35 直流電源部
36 点灯回路
37 装着検出部
54,61 分圧用抵抗器としての第1分圧用抵抗器
55,62 分圧用抵抗器としての第2分圧用抵抗器
Claims (7)
- 直流電源部と;
この直流電源部からの電力供給を受け、LED素子およびこのLED素子に並列に接続された検出用抵抗器を備えたLEDランプを点灯制御する点灯回路と;
LEDランプの着脱による検出用抵抗器の着脱に応じて変化する電圧レベルに基づいてLEDランプの装着の有無を検出する装着検出部と;
を具備していることを特徴とするLEDランプ用電源装置。 - 装着検出部は、LEDランプのLED素子および検出用抵抗器が少なくともいずれかに並列に接続される複数の分圧用抵抗器を備え、これら分圧用抵抗器の少なくともいずれかによる分圧レベルと所定の閾値電圧とを比較することによりLEDランプの装着の有無を検出する
ことを特徴とする請求項1記載のLEDランプ用電源装置。 - LED素子およびこのLED素子に並列に接続された検出用抵抗器を備えたLEDランプと;
このLEDランプを点灯回路により点灯制御する請求項1または2記載のLEDランプ用電源装置と;
を具備していることを特徴とするLEDランプシステム。 - 検出用抵抗器の抵抗値は、調光下限でのLED素子の負荷インピーダンスの4倍以上6倍以下に設定されている
ことを特徴とする請求項3記載のLEDランプシステム。 - LED素子は、全光状態での定格電流値が350mAで、調光下限が全光状態の0.5%であり、
検出用抵抗器の抵抗値は、270kΩ以上330kΩ以下である
ことを特徴とする請求項4記載のLEDランプシステム。 - LED素子は、全光状態での定格電流値が350mAで、調光下限が全光状態の0.5%であり、
検出用抵抗器の抵抗値は、130kΩ以上170kΩ以下である
ことを特徴とする請求項4記載のLEDランプシステム。 - 装着検出部は、直流電源部から点灯回路への入力電圧に応じて閾値電圧を可変する
ことを特徴とする請求項2ないし6いずれか一記載のLEDランプシステム。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010167191A JP5641400B2 (ja) | 2010-07-26 | 2010-07-26 | Ledランプ用電源装置およびledランプシステム |
US13/188,571 US9066407B2 (en) | 2010-07-26 | 2011-07-22 | Power source unit for LED lamps, and LED lamp system |
KR1020110072907A KR101294893B1 (ko) | 2010-07-26 | 2011-07-22 | Led 램프용 전원장치 및 led 램프 시스템 |
EP11175240.8A EP2413662B1 (en) | 2010-07-26 | 2011-07-25 | Power source unit for LED lamps, and LED lamp system |
CN201110221446.3A CN102348314B (zh) | 2010-07-26 | 2011-07-25 | Led灯用电源装置及led灯系统 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010167191A JP5641400B2 (ja) | 2010-07-26 | 2010-07-26 | Ledランプ用電源装置およびledランプシステム |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2012028222A true JP2012028222A (ja) | 2012-02-09 |
JP5641400B2 JP5641400B2 (ja) | 2014-12-17 |
Family
ID=44512675
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2010167191A Active JP5641400B2 (ja) | 2010-07-26 | 2010-07-26 | Ledランプ用電源装置およびledランプシステム |
Country Status (5)
Country | Link |
---|---|
US (1) | US9066407B2 (ja) |
EP (1) | EP2413662B1 (ja) |
JP (1) | JP5641400B2 (ja) |
KR (1) | KR101294893B1 (ja) |
CN (1) | CN102348314B (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013024811A1 (ja) * | 2011-08-12 | 2013-02-21 | シャープ株式会社 | 電源装置及び照明装置 |
JP2013084621A (ja) * | 2013-01-11 | 2013-05-09 | Sharp Corp | 電源装置及び照明装置 |
JP2014013865A (ja) * | 2012-07-05 | 2014-01-23 | Rohm Co Ltd | Ledドライバ回路および照明装置 |
JP2016538816A (ja) * | 2013-09-20 | 2016-12-08 | フィリップス ライティング ホールディング ビー ヴィ | 可変数の負荷のための電力分配器及び電力分配方法 |
Families Citing this family (6)
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WO2012002135A1 (ja) * | 2010-06-28 | 2012-01-05 | パナソニック電工株式会社 | 直管形ledランプ、ランプソケットセットおよび照明器具 |
FR2973136A1 (fr) * | 2011-03-25 | 2012-09-28 | France Telecom | Verification de l'integrite de donnees d'un equipement embarque dans un vehicule |
US9335009B2 (en) | 2013-02-13 | 2016-05-10 | Feit Electric Company, Inc. | Linear LED lamp tube with internal driver and two- or three-prong polarized plug and methods of installing the same |
US9206970B2 (en) | 2013-02-13 | 2015-12-08 | Feit Electric Company, Inc. | Linear LED lamp tube with internal driver and interconnect to line voltage and methods of installing the same |
MY185127A (en) * | 2013-04-19 | 2021-04-30 | Shindengen Electric Mfg | Lamp driving power supply and a method of controlling lamp driving power supply |
US10542591B2 (en) * | 2016-07-29 | 2020-01-21 | Signify Holding B.V. | LED lamp(s) with single channel driver |
Citations (1)
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JP2007044073A (ja) * | 2005-08-05 | 2007-02-22 | Olympus Corp | 内視鏡装置 |
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US6160361A (en) | 1998-07-29 | 2000-12-12 | Philips Electronics North America Corporation | For improvements in a lamp type recognition scheme |
US6337544B1 (en) | 1999-12-14 | 2002-01-08 | Philips Electronics North America Corporation | Digital lamp signal processor |
WO2002062623A2 (en) * | 2001-01-23 | 2002-08-15 | Donnelly Corporation | Improved vehicular lighting system for a mirror assembly |
JP3824603B2 (ja) * | 2002-10-16 | 2006-09-20 | シーシーエス株式会社 | Led照明装置用電源システム |
US7507001B2 (en) * | 2002-11-19 | 2009-03-24 | Denovo Lighting, Llc | Retrofit LED lamp for fluorescent fixtures without ballast |
KR100493923B1 (ko) | 2002-12-31 | 2005-06-10 | 두영전자 주식회사 | 사이리스터 보호회로를 갖는 전자식 안정기 |
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CA2501447C (en) * | 2004-03-18 | 2014-05-13 | Brasscorp Limited | Led work light |
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JP4956409B2 (ja) | 2007-12-25 | 2012-06-20 | パナソニック株式会社 | Led照明器具 |
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-
2010
- 2010-07-26 JP JP2010167191A patent/JP5641400B2/ja active Active
-
2011
- 2011-07-22 KR KR1020110072907A patent/KR101294893B1/ko active IP Right Grant
- 2011-07-22 US US13/188,571 patent/US9066407B2/en active Active
- 2011-07-25 EP EP11175240.8A patent/EP2413662B1/en active Active
- 2011-07-25 CN CN201110221446.3A patent/CN102348314B/zh active Active
Patent Citations (1)
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JP2007044073A (ja) * | 2005-08-05 | 2007-02-22 | Olympus Corp | 内視鏡装置 |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013024811A1 (ja) * | 2011-08-12 | 2013-02-21 | シャープ株式会社 | 電源装置及び照明装置 |
JP2013041937A (ja) * | 2011-08-12 | 2013-02-28 | Sharp Corp | 電源装置及び照明装置 |
US9287775B2 (en) | 2011-08-12 | 2016-03-15 | Sharp Kabushiki Kaisha | Power supply device and lighting device |
JP2014013865A (ja) * | 2012-07-05 | 2014-01-23 | Rohm Co Ltd | Ledドライバ回路および照明装置 |
JP2013084621A (ja) * | 2013-01-11 | 2013-05-09 | Sharp Corp | 電源装置及び照明装置 |
JP2016538816A (ja) * | 2013-09-20 | 2016-12-08 | フィリップス ライティング ホールディング ビー ヴィ | 可変数の負荷のための電力分配器及び電力分配方法 |
Also Published As
Publication number | Publication date |
---|---|
EP2413662A3 (en) | 2013-06-26 |
JP5641400B2 (ja) | 2014-12-17 |
KR20120010962A (ko) | 2012-02-06 |
KR101294893B1 (ko) | 2013-08-08 |
CN102348314A (zh) | 2012-02-08 |
US20120019166A1 (en) | 2012-01-26 |
CN102348314B (zh) | 2014-07-16 |
EP2413662A2 (en) | 2012-02-01 |
US9066407B2 (en) | 2015-06-23 |
EP2413662B1 (en) | 2017-10-25 |
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