BRPI0416149A - proteção térmica para lastros de lámpada - Google Patents

proteção térmica para lastros de lámpada

Info

Publication number
BRPI0416149A
BRPI0416149A BRPI0416149-1A BRPI0416149A BRPI0416149A BR PI0416149 A BRPI0416149 A BR PI0416149A BR PI0416149 A BRPI0416149 A BR PI0416149A BR PI0416149 A BRPI0416149 A BR PI0416149A
Authority
BR
Brazil
Prior art keywords
thermal protection
ballast
lamp ballasts
stepped
continuing
Prior art date
Application number
BRPI0416149-1A
Other languages
English (en)
Inventor
David E Cottongim
Jecko Arakkal
Venkatesh Chitta
Mark S Taipale
Original Assignee
Lutron Electronics Co
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=34552594&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BRPI0416149(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Lutron Electronics Co filed Critical Lutron Electronics Co
Publication of BRPI0416149A publication Critical patent/BRPI0416149A/pt

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
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14—Circuit arrangements
    • H05B41/26—Circuit arrangements in which the lamp is fed by power derived from DC by means of a converter, e.g. by high-voltage DC
    • H05B41/28—Circuit arrangements in which the lamp is fed by power derived from DC by means of a converter, e.g. by high-voltage DC using static converters
    • H05B41/282—Circuit arrangements in which the lamp is fed by power derived from DC by means of a converter, e.g. by high-voltage DC using static converters with semiconductor devices
    • H05B41/285—Arrangements for protecting lamps or circuits against abnormal operating conditions
    • 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
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14—Circuit arrangements
    • H05B41/36—Controlling
    • H05B41/38—Controlling the intensity of light
    • H05B41/39—Controlling the intensity of light continuously
    • H05B41/392—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor
    • H05B41/3921—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations
    • H05B41/3925—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations by frequency variation
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H5/00—Snap-action arrangements, i.e. in which during a single opening operation or a single closing operation energy is first stored and then released to produce or assist the contact movement
    • H01H5/04—Energy stored by deformation of elastic members
    • 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
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14—Circuit arrangements
    • H05B41/26—Circuit arrangements in which the lamp is fed by power derived from DC by means of a converter, e.g. by high-voltage DC
    • H05B41/28—Circuit arrangements in which the lamp is fed by power derived from DC by means of a converter, e.g. by high-voltage DC using static converters
    • H05B41/282—Circuit arrangements in which the lamp is fed by power derived from DC by means of a converter, e.g. by high-voltage DC using static converters with semiconductor devices
    • H05B41/285—Arrangements for protecting lamps or circuits against abnormal operating conditions
    • H05B41/2851—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the circuit against abnormal operating conditions
    • H05B41/2856—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the circuit against abnormal operating conditions against internal abnormal circuit conditions
    • 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
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14—Circuit arrangements
    • H05B41/26—Circuit arrangements in which the lamp is fed by power derived from DC by means of a converter, e.g. by high-voltage DC
    • H05B41/28—Circuit arrangements in which the lamp is fed by power derived from DC by means of a converter, e.g. by high-voltage DC using static converters
    • H05B41/295—Circuit arrangements in which the lamp is fed by power derived from DC by means of a converter, e.g. by high-voltage DC using static converters with semiconductor devices and specially adapted for lamps with preheating electrodes, e.g. for fluorescent lamps
    • H05B41/298—Arrangements for protecting lamps or circuits against abnormal operating conditions
    • 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
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14—Circuit arrangements
    • H05B41/26—Circuit arrangements in which the lamp is fed by power derived from DC by means of a converter, e.g. by high-voltage DC
    • H05B41/28—Circuit arrangements in which the lamp is fed by power derived from DC by means of a converter, e.g. by high-voltage DC using static converters
    • H05B41/295—Circuit arrangements in which the lamp is fed by power derived from DC by means of a converter, e.g. by high-voltage DC using static converters with semiconductor devices and specially adapted for lamps with preheating electrodes, e.g. for fluorescent lamps
    • H05B41/298—Arrangements for protecting lamps or circuits against abnormal operating conditions
    • H05B41/2981—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the circuit against abnormal operating conditions
    • H05B41/2986—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the circuit against abnormal operating conditions against internal abnormal circuit conditions

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Automation & Control Theory (AREA)
  • Circuit Arrangements For Discharge Lamps (AREA)
  • Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)

Abstract

"PROTEçãO TéRMICA PARA LASTROS DE LáMPADA". A corrente de saída de um lastro é limitada dinamicamente quando uma condição de temperatura excessiva é detectada no lastro de acordo com uma de (i) uma função em etapas ou (ii) uma combinação de funções em etapas e contínua, de modo a se reduzir a temperatura do lastro enquanto se continua a acioná-lo.
BRPI0416149-1A 2003-11-12 2004-11-12 proteção térmica para lastros de lámpada BRPI0416149A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/706,677 US6982528B2 (en) 2003-11-12 2003-11-12 Thermal protection for lamp ballasts
PCT/US2004/037921 WO2005048660A1 (en) 2003-11-12 2004-11-12 Thermal protection for lamp ballasts

Publications (1)

Publication Number Publication Date
BRPI0416149A true BRPI0416149A (pt) 2007-01-09

Family

ID=34552594

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0416149-1A BRPI0416149A (pt) 2003-11-12 2004-11-12 proteção térmica para lastros de lámpada

Country Status (9)

Country Link
US (3) US6982528B2 (pt)
EP (3) EP1683398B2 (pt)
JP (1) JP4727587B2 (pt)
KR (1) KR20060118476A (pt)
CN (1) CN1879457B (pt)
BR (1) BRPI0416149A (pt)
CA (1) CA2545854C (pt)
IL (2) IL174914A (pt)
WO (1) WO2005048660A1 (pt)

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US7675250B2 (en) * 2003-11-12 2010-03-09 Lutron Electronics Co., Inc. Thermal protection for lamp ballasts
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US7489090B2 (en) * 2006-02-13 2009-02-10 Lutron Electronics Co., Inc. Electronic ballast having adaptive frequency shifting
CN101163364B (zh) * 2006-10-13 2011-02-09 北方工业大学 监控系统及应用该监控系统监控电气元件运行的方法
US7632152B2 (en) * 2006-11-27 2009-12-15 Cyber Power System Inc. DC/AC adapter assembly with a power-overload protection circuit
WO2008116496A1 (de) * 2007-03-27 2008-10-02 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Betriebsgerät und beleuchtungssystem für niederdruck-entladungslampen mit temperaturabhängiger leistungsrückregelung
US20080258629A1 (en) * 2007-04-20 2008-10-23 Rensselaer Polytechnic Institute Apparatus and method for extracting power from and controlling temperature of a fluorescent lamp
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US8358085B2 (en) 2009-01-13 2013-01-22 Terralux, Inc. Method and device for remote sensing and control of LED lights
US9326346B2 (en) 2009-01-13 2016-04-26 Terralux, Inc. Method and device for remote sensing and control of LED lights
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JP5280290B2 (ja) * 2009-04-24 2013-09-04 株式会社小糸製作所 光源点灯回路
JP2013517613A (ja) * 2009-11-17 2013-05-16 テララックス， インコーポレイテッド Ｌｅｄ電源の検出および制御
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US9596738B2 (en) 2010-09-16 2017-03-14 Terralux, Inc. Communication with lighting units over a power bus
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DE102010041987A1 (de) * 2010-10-05 2012-04-05 Tridonic Gmbh & Co. Kg Betriebsgerät mit einstellbarer kritischer Temperatur
US8669715B2 (en) 2011-04-22 2014-03-11 Crs Electronics LED driver having constant input current
US8476847B2 (en) 2011-04-22 2013-07-02 Crs Electronics Thermal foldback system
US8669711B2 (en) 2011-04-22 2014-03-11 Crs Electronics Dynamic-headroom LED power supply
US8803432B2 (en) 2011-05-10 2014-08-12 Lutron Electronics Co., Inc. Method and apparatus for determining a target light intensity from a phase-control signal
DE102011103638A1 (de) * 2011-06-08 2012-12-13 Tridonic Gmbh & Co. Kg Verfahren zum Betreiben eines elektronischen Vorschaltgeräts für ein Leuchtmittel und elektronisches Vorschaltgerät
KR20130015714A (ko) * 2011-08-04 2013-02-14 삼성전자주식회사 백라이트 유닛 및 ｌｅｄ 제어방법
EP2618635A1 (en) * 2012-01-19 2013-07-24 Koninklijke Philips Electronics N.V. Self-adjusting lighting driver for driving lighting sources and lighting unit including self-adjusting lighting driver
CN103135000B (zh) * 2011-11-22 2015-07-22 海洋王照明科技股份有限公司 温度保护器的测试电路及具有该测试电路的测试装置
US8860313B2 (en) 2011-11-30 2014-10-14 Lutron Electronics Co., Inc. Universal-voltage self-heating thermal detector
US8896231B2 (en) 2011-12-16 2014-11-25 Terralux, Inc. Systems and methods of applying bleed circuits in LED lamps
US9232574B2 (en) 2012-07-06 2016-01-05 Lutron Electronics Co., Inc. Forward converter having a primary-side current sense circuit
US9462660B2 (en) 2013-02-26 2016-10-04 Lutron Electronics Co., Inc. Controlling an electronic dimming ballast during low temperature or low mercury conditions
US9265119B2 (en) 2013-06-17 2016-02-16 Terralux, Inc. Systems and methods for providing thermal fold-back to LED lights
US10120398B2 (en) 2014-03-28 2018-11-06 Infineon Technologies Ag Temperature dependent current limiting
US9485813B1 (en) 2015-01-26 2016-11-01 Ketra, Inc. Illumination device and method for avoiding an over-power or over-current condition in a power converter
EP3389340B1 (en) * 2017-04-13 2020-08-26 Valeo Iluminacion Automotive lamp with compensation of the luminous flux of the light source
FR3083340B1 (fr) * 2018-06-29 2020-07-03 Renault S.A.S Procede de gestion de la puissance d'un module optique de projecteur a diode electroluminescente pour vehicule automobile
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Also Published As

Publication number Publication date
JP2007511063A (ja) 2007-04-26
IL174914A0 (en) 2006-08-20
EP1683398A1 (en) 2006-07-26
CA2545854C (en) 2011-01-11
US20050280377A1 (en) 2005-12-22
US7436131B2 (en) 2008-10-14
EP2242338A1 (en) 2010-10-20
EP2244536A1 (en) 2010-10-27
EP1683398B1 (en) 2013-10-09
CN1879457B (zh) 2010-04-28
IL196977A0 (en) 2011-07-31
JP4727587B2 (ja) 2011-07-20
US7911156B2 (en) 2011-03-22
KR20060118476A (ko) 2006-11-23
US20090033248A1 (en) 2009-02-05
US20050099142A1 (en) 2005-05-12
US6982528B2 (en) 2006-01-03
CN1879457A (zh) 2006-12-13
CA2545854A1 (en) 2005-05-26
IL174914A (en) 2010-06-16
EP1683398B2 (en) 2022-08-24
WO2005048660A1 (en) 2005-05-26

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Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE A 10A ANUIDADE.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: REFERENTE AO DESPACHO 8.6 PUBLICADO NA RPI 2280 DE 16/09/2014.