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WO2012031901A3 - Method and apparatus for controlling bleeder connected to phase-cut dimmer - Google Patents

Method and apparatus for controlling bleeder connected to phase-cut dimmer Download PDF

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Publication number
WO2012031901A3
WO2012031901A3 PCT/EP2011/064624 EP2011064624W WO2012031901A3 WO 2012031901 A3 WO2012031901 A3 WO 2012031901A3 EP 2011064624 W EP2011064624 W EP 2011064624W WO 2012031901 A3 WO2012031901 A3 WO 2012031901A3
Authority
WO
WIPO (PCT)
Prior art keywords
time period
bleeder
phase
input voltage
updated
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/EP2011/064624
Other languages
French (fr)
Other versions
WO2012031901A2 (en
Inventor
Xuewei Dai
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Osram GmbH
Original Assignee
Osram GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Osram GmbH filed Critical Osram GmbH
Publication of WO2012031901A2 publication Critical patent/WO2012031901A2/en
Publication of WO2012031901A3 publication Critical patent/WO2012031901A3/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • H05B45/357—Driver circuits specially adapted for retrofit LED light sources
    • H05B45/3574—Emulating the electrical or functional characteristics of incandescent lamps
    • H05B45/3575—Emulating the electrical or functional characteristics of incandescent lamps by means of dummy loads or bleeder circuits, e.g. for dimmers

Landscapes

  • Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)

Abstract

The present invention relates to a method and apparatus for controlling bleeder connected to phase-cut dimmer, wherein the method includes: determining a first time period when the input voltage is lower than a predetermined reference voltage using at least one preceding input voltage cycle; opening bleeder in the first time period in a subsequent input voltage cycle; closing bleeder in a second time period, wherein the second time period equals to the input voltage cycle minus updated first time period, wherein the updated first time period equals to a sum of the first time period and a predetermined advancing time period; and repeating the steps of opening and closing the bleeder using the updated first time period. The present invention is capable of controlling bleeder connected to phase-cut bleeder without distinguishing the dimming types from Triac to Trail, thereby simplifying process and reducing calculation.
PCT/EP2011/064624 2010-09-10 2011-08-25 Method and apparatus for controlling bleeder connected to phase-cut dimmer Ceased WO2012031901A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201010280160.8 2010-09-10
CN201010280160.8A CN102404899B (en) 2010-09-10 2010-09-10 Method and device for controlling effuser connected to cutting phase dimmer

Publications (2)

Publication Number Publication Date
WO2012031901A2 WO2012031901A2 (en) 2012-03-15
WO2012031901A3 true WO2012031901A3 (en) 2012-08-30

Family

ID=44543234

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2011/064624 Ceased WO2012031901A2 (en) 2010-09-10 2011-08-25 Method and apparatus for controlling bleeder connected to phase-cut dimmer

Country Status (2)

Country Link
CN (1) CN102404899B (en)
WO (1) WO2012031901A2 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103889097B (en) 2012-12-21 2017-07-04 施耐德电气（澳大利亚）有限公司 A kind of dimming controlling method, device and light adjusting system
US9912246B2 (en) 2013-06-27 2018-03-06 Philips Lighting Holding B.V. Bleeder circuit for a dimmer of a light non-linear load
JP2015065772A (en) * 2013-09-25 2015-04-09 東芝ライテック株式会社 Power-supply device, lighting fixture, and lighting system
EP2911474B1 (en) * 2014-02-20 2017-08-02 Dialog Semiconductor (UK) Limited High voltage converter without auxiliary winding
JP2017508261A (en) 2014-03-18 2017-03-23 フィリップス ライティング ホールディング ビー ヴィ Bleeder control device
CN104010422B (en) * 2014-06-13 2016-03-23 成都芯源系统有限公司 LED driving device and controller and control method thereof
CN116419451A (en) 2021-12-29 2023-07-11 台达电子企业管理（上海）有限公司 Method for controlling bleeder connected to phase-cut dimmer and circuit connected to phase-cut dimmer

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060192502A1 (en) * 2005-02-17 2006-08-31 Ledtronics, Inc. Dimmer circuit for led
US20070182347A1 (en) * 2006-01-20 2007-08-09 Exclara Inc. Impedance matching circuit for current regulation of solid state lighting
US20080258647A1 (en) * 2004-05-19 2008-10-23 Goeken Group Corp. Dimming Circuit for Led Lighting Device With Means for Holding Triac in Conduction
US20090251059A1 (en) * 2008-04-04 2009-10-08 Lemnis Lighting Patent Holding B.V. Dimmer triggering circuit, dimmer system and dimmable device

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7288902B1 (en) * 2007-03-12 2007-10-30 Cirrus Logic, Inc. Color variations in a dimmable lighting device with stable color temperature light sources

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080258647A1 (en) * 2004-05-19 2008-10-23 Goeken Group Corp. Dimming Circuit for Led Lighting Device With Means for Holding Triac in Conduction
US20060192502A1 (en) * 2005-02-17 2006-08-31 Ledtronics, Inc. Dimmer circuit for led
US20070182347A1 (en) * 2006-01-20 2007-08-09 Exclara Inc. Impedance matching circuit for current regulation of solid state lighting
US20090251059A1 (en) * 2008-04-04 2009-10-08 Lemnis Lighting Patent Holding B.V. Dimmer triggering circuit, dimmer system and dimmable device

Also Published As

Publication number Publication date
CN102404899B (en) 2015-07-01
WO2012031901A2 (en) 2012-03-15
CN102404899A (en) 2012-04-04

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