JPWO2014064813A1 - Ledランプ、そのledランプを含む照明装置、及び、ledランプの電流制御方法 - Google Patents
Ledランプ、そのledランプを含む照明装置、及び、ledランプの電流制御方法 Download PDFInfo
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- 238000000034 method Methods 0.000 title claims description 22
- 238000001514 detection method Methods 0.000 claims abstract description 33
- 239000003990 capacitor Substances 0.000 description 41
- 238000010586 diagram Methods 0.000 description 28
- 239000007858 starting material Substances 0.000 description 23
- 238000009499 grossing Methods 0.000 description 13
- 238000005259 measurement Methods 0.000 description 10
- 238000005286 illumination Methods 0.000 description 9
- 230000010355 oscillation Effects 0.000 description 7
- 230000005856 abnormality Effects 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000020169 heat generation Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 206010037660 Pyrexia Diseases 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 229910052754 neon Inorganic materials 0.000 description 1
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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]
- H05B45/30—Driver circuits
- H05B45/37—Converter 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]
- H05B45/40—Details of LED load circuits
- H05B45/44—Details of LED load circuits with an active control inside an LED matrix
-
- 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
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
-
- 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
- H05B45/59—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits for reducing or suppressing flicker or glow effects
-
- 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]
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- Circuit Arrangement For Electric Light Sources In General (AREA)
- Led Devices (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
Description
(実施の形態)
11 プラグ
12 安定器
20、50、60、200 LEDランプ
20a,20b,20c,20d 入力端子部
21 保護回路部
22 整流回路部
23 平滑回路部
24 LED発光部
25 PWM制御部
26 バイパス回路部
31 電流検出部
R31 抵抗
C31 コンデンサ
32 インダクタンス可変制御部
33 回路遮断部
34 閾値素子
D34a、D34b ツェナーダイオード
RY34 リレー
L50、L60 可変インダクタンス部
L51、L52、L61,L62 インダクタ
32a、32b、32c スイッチ素子
C1、C2、C9、C10、C11、C12、C20 コンデンサ
C3、C4、C5 電解コンデンサ
C6 第1のコンデンサ
C7 第2のコンデンサ
D2、D3、D4、D5、D6、D7 ダイオード
D8 第2のダイオード
D9 第1のダイオード
D1、D10、D20 ツェナーダイオード
Z9、Z10、Z11、Z12 入力回路部
HV 高電圧
F1 ヒューズ
IC1 集積回路
L1、L2、L3、L4 チョークコイル
Q1,Q2 スイッチング素子
R1、R2、R3、R4、R5、R6、R7、R8、R9、R10、R11、R12、R20、R21、R22 抵抗
R13 第1の抵抗
R14 第2の抵抗
RT 抵抗値
SA1 2極放電管
SA2 バリスタ
S01、S02、S03、S04 ステップ
T1、T2、T3、T4、T6、T8、T9、T11、T12 端子
T5 グランド側出力端子
T7 高電圧(HV)側出力端子
TA アノード側端子
TK カソード側端子
TG GND端子
Vin 入力電圧
Vcs 電流センサ端子電圧
Vg1 スイッチング素子Q1のゲート端子の電圧
Vg2 スイッチング素子Q2のゲート端子の電圧
i LED発光部を流れる電流
tOSC 発振周期
t1、t2 周期
Claims (6)
- 一対の入力端子部と、外部から前記一対の入力端子部に入力される交流電流を直流電流に整流する整流回路部と、前記整流回路部から出力される直流電流の通電により発光するLED発光部と、を含むLEDランプであって、
前記一対の入力端子部と前記整流回路部との間の回路において、前記一対の入力端子部のいずれか一方の入力端子部から前記整流回路部を通過して他方の入力端子部へ流れる交流電流を流すための可変インダクタンス部と、
前記整流回路部と前記LED発光部との間の回路において、前記LED発光部に流れる直流電流の大きさを検出する電流検出部と、
前記電流検出部により検出された直流電流の大きさに応じて前記可変インダクタンス部のインダクタンス値を可変するためのインダクタンス可変制御部と、
を有することを特徴とするLEDランプ。 - 前記一対の入力端子部と前記整流回路部との間の回路において、前記一対の入力端子部のいずれか一方の入力端子部から前記整流回路部を通過して他方の入力端子部へ流れる交流電流を流すための閾値素子が設けられ、
その閾値素子は、前記一対の入力端子部に外部から所定の閾値を超える交流電流が入力されてから所定の時間を経過した後にその両端が短絡され、
前記インダクタンス可変制御部は、前記閾値素子の両端が短絡された後に検出された直流電流の大きさに応じて前記可変インダクタンス部のインダクタンス値を可変することを特徴とする請求項1記載のLEDランプ。 - 前記一対の入力端子部と前記整流回路部との間の回路において、前記一対の入力端子部のいずれか一方の入力端子部から前記整流回路部を通過して他方の入力端子部へ流れる交流電流を遮断できる回路遮断部が設けられ、
その回路遮断部は、前記電流検出部により検出された直流電流の大きさが所定の上限値を上回った場合または所定の下限値を下回った場合に、前記交流電流を遮断することを特徴とする請求項1または2記載のLEDランプ。 - 前記整流回路部と前記LED発光部との間の回路において、前記LED発光部に流す電流をデューティ比に基づいてPWM制御できるPWM制御部が設けられ、
そのPWM制御部は、前記一対の入力端子部に入力される外部の交流電流の周波数に応じて、前記LED発光部に流れる電流の前記PWM制御を行う場合と、前記LED発光部に流れる電流の前記PWM制御を行わない場合と、に切り替えられ、
前記PWM制御部がPWM制御を行わない場合において、前記電流検出部は前記LED発光部に流れる直流電流の大きさを検出し、その直流電流の大きさに応じて、前記インダクタンス可変制御部は前記可変インダクタンス部のインダクタンス値を可変することを特徴とする請求項1から3いずれか1項に記載のLEDランプ。 - 請求項1から4いずれか1項に記載のLEDランプを含むことを特徴とする照明装置。
- 一対の入力端子部と、外部から前記一対の入力端子部に入力される交流電流を直流電流に整流する整流回路部と、前記整流回路部から出力される直流電流の通電により発光するLED発光部と、を含むLEDランプの電流制御方法であって、
前記一対の入力端子部と前記整流回路部との間の回路において、前記一対の入力端子部のいずれか一方の入力端子部から可変インダクタンス部を介して前記整流回路部を通過させて他方の入力端子部へ交流電流を流す段階と、
前記整流回路部と前記LED発光部との間の回路において、前記LED発光部に流れる直流電流の大きさを検出する段階と、
前記検出された直流電流の大きさに応じて前記可変インダクタンス部のインダクタンス値を可変する段階と、を含み、
前記LED発光部に流れる直流電流の大きさを所定の範囲内となるように制御することを特徴とするLEDランプの電流制御方法。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2012/077644 WO2014064813A1 (ja) | 2012-10-25 | 2012-10-25 | Ledランプ、そのledランプを含む照明装置、及び、ledランプの電流制御方法 |
Publications (2)
Publication Number | Publication Date |
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JP5266594B1 JP5266594B1 (ja) | 2013-08-21 |
JPWO2014064813A1 true JPWO2014064813A1 (ja) | 2016-09-05 |
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JP2013511435A Active JP5266594B1 (ja) | 2012-10-25 | 2012-10-25 | Ledランプ、そのledランプを含む照明装置、及び、ledランプの電流制御方法 |
Country Status (10)
Country | Link |
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US (1) | US8779679B2 (ja) |
EP (1) | EP2793276B1 (ja) |
JP (1) | JP5266594B1 (ja) |
KR (1) | KR101418579B1 (ja) |
CN (1) | CN103907209B (ja) |
HK (1) | HK1196704A1 (ja) |
IN (1) | IN2014DN06161A (ja) |
SG (1) | SG11201404002XA (ja) |
TW (1) | TWI432082B (ja) |
WO (1) | WO2014064813A1 (ja) |
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JP5190631B2 (ja) * | 2010-12-01 | 2013-04-24 | シーシーエス株式会社 | Led照明装置用電源システム及び給電方法 |
US9178369B2 (en) * | 2011-01-18 | 2015-11-03 | Mojo Mobility, Inc. | Systems and methods for providing positioning freedom, and support of different voltages, protocols, and power levels in a wireless power system |
JP2013020931A (ja) * | 2011-06-16 | 2013-01-31 | Sanken Electric Co Ltd | Led点灯装置 |
JP3174463U (ja) * | 2012-01-10 | 2012-03-22 | 有限会社テクニカ | Led照明灯 |
JP5108994B1 (ja) * | 2012-04-09 | 2012-12-26 | 株式会社エム・システム技研 | Ledランプ及びそのledランプを含む照明装置 |
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- 2012-10-25 CN CN201280017095.7A patent/CN103907209B/zh active Active
- 2012-10-25 EP EP12887278.5A patent/EP2793276B1/en active Active
- 2012-10-25 KR KR1020137026518A patent/KR101418579B1/ko active IP Right Grant
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- 2012-10-25 US US14/110,541 patent/US8779679B2/en active Active
- 2012-10-25 JP JP2013511435A patent/JP5266594B1/ja active Active
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EP2793276A4 (en) | 2015-09-23 |
TWI432082B (zh) | 2014-03-21 |
SG11201404002XA (en) | 2014-10-30 |
JP5266594B1 (ja) | 2013-08-21 |
CN103907209B (zh) | 2015-10-21 |
US20140117853A1 (en) | 2014-05-01 |
US8779679B2 (en) | 2014-07-15 |
HK1196704A1 (en) | 2014-12-19 |
EP2793276A1 (en) | 2014-10-22 |
KR101418579B1 (ko) | 2014-07-10 |
TW201404242A (zh) | 2014-01-16 |
EP2793276B1 (en) | 2016-09-21 |
KR20140065377A (ko) | 2014-05-29 |
WO2014064813A1 (ja) | 2014-05-01 |
CN103907209A (zh) | 2014-07-02 |
IN2014DN06161A (ja) | 2015-08-21 |
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