EP1908336A1 - Systeme d'eclairage - Google Patents

Systeme d'eclairage

Info

Publication number
EP1908336A1
EP1908336A1 EP06776434A EP06776434A EP1908336A1 EP 1908336 A1 EP1908336 A1 EP 1908336A1 EP 06776434 A EP06776434 A EP 06776434A EP 06776434 A EP06776434 A EP 06776434A EP 1908336 A1 EP1908336 A1 EP 1908336A1
Authority
EP
European Patent Office
Prior art keywords
lamp
light sources
lighting system
parallel
parallel circuit
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.)
Granted
Application number
EP06776434A
Other languages
German (de)
English (en)
Other versions
EP1908336B1 (fr
Inventor
Ulrich Biebel
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
Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH
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 Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH filed Critical Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH
Publication of EP1908336A1 publication Critical patent/EP1908336A1/fr
Application granted granted Critical
Publication of EP1908336B1 publication Critical patent/EP1908336B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • H05B35/00—Electric light sources using a combination of different types of light generation
    • 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
    • H05B41/24—Circuit arrangements in which the lamp is fed by high frequency AC, or with separate oscillator frequency
    • 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
    • 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

Definitions

  • the present invention relates to a lighting system with an electric lamp, in particular a fluorescent lamp.
  • additional light sources are used to allow a color locus shift in such electric lamps, in particular fluorescent lamps, during dimming.
  • additional light sources are very complex and the lighting system is relatively complex.
  • Another disadvantage is that the additional light sources have a separate power supply. This also results in a relatively complex and expensive design of a lighting system.
  • the present invention is therefore based on the object to provide a lighting system with which the disadvantages of the prior art are overcome, d. H. in particular, to be able to provide a lighting system of relatively simple design, in which the additional light sources can be supplied with energy with relatively little effort.
  • An illumination system comprises an electric lamp, which is in particular a fluorescent lamp.
  • the electric lamp has at least one first and at least one second lamp filament and is electrically connected to an electronic ballast of the illumination system.
  • the illumination system according to the invention comprises at least two further light sources, which are connected in parallel to each other and wherein the parallel connection of the two further light sources is connected in series between the first and the second lamp filament of the e-lectric lamp.
  • the parallel connection of the at least two further light sources is electrically connected to a first terminal of the first lamp filament and a first terminal of the second lamp filament.
  • the electronic ballast is preferably electrically connected to a second terminal of the first lamp filament and to a second terminal of the second lamp filament.
  • the additional light sources are thus connected in series in the lamp-parallel circuit of the electronic ballast. This lamp-parallel circuit performs only a relatively small current in undimmed operation. In dimmed operation, this power increases sharply and thus the light output of the additional light sources is significantly increased.
  • the two other light sources can be designed as LED (light emitting diode) and are connected in an opposite manner to each other in the respective signal paths of the parallel circuit.
  • the further light sources in particular the LED, are arranged in opposite phase in the respective signal paths, it can be achieved that symmetrical currents be generated. Without such an antiphase arrangement would otherwise be formed a half-bridge rectifier.
  • the additional light sources are designed as low-voltage incandescent lamps.
  • a lamp coil preheating is connected in series with the parallel connection of the two further light sources.
  • this lamp filament preheater is electrically connected to the first terminal of the second lamp filament.
  • the lamp filament preheating preferably comprises a reactance, in particular a capacitor. It can also be provided that the lamp filament preheating is arranged in the electronic ballast.
  • a switch is connected in parallel with the parallel connection of the further light sources.
  • This can be configured, for example, as a triac, as a sidac, as a transistor circuit or as a relay. With this parallel arranged parallel to the switch can be achieved that when igniting the electric lamp, the additional light sources are bridged.
  • a reactance in particular a capacitor, is connected in parallel with the parallel connection of the further light sources. It can thereby be achieved that the current can be limited by the additional light sources.
  • FIGURE 1 shows a block diagram of a lighting system according to the invention.
  • the illumination system I has an electric lamp, which in the exemplary embodiment is designed as a fluorescent lamp 1.
  • the fluorescent lamp 1 has a first lamp filament 11 and a second lamp filament 12.
  • the first lamp filament 11 has a first electrical connection 11a and a second electrical connection 11b.
  • the second lamp filament 12 has a first electrical connection 12a and a second electrical connection 12b.
  • An electronic ballast 2 is electrically connected to the second electrical terminal 11b of the first lamp filament 11 and to the second electrical terminal 12b of the second lamp filament 12.
  • a parallel circuit 3 in series with the first lamp coil 11 and the second lamp coil 12 is connected.
  • the parallel circuit 3 is electrically connected to the first terminal 11 a of the first lamp coil 11 and the first terminal 12 b of the second lamp coil 12.
  • the parallel circuit 3 comprises additional light sources for color locus displacement of the fluorescent lamp 1 during dimming, the additional light sources being designed as LEDs 31a to 31c and 32a to 32c.
  • the LEDs 31a to 31c are connected in a first signal path 31 of the parallel circuit 3, wherein the LEDs 32a to 32c are connected in a second signal path 32 of the parallel circuit 3.
  • the LEDs 31a to 31c connected in the first signal path 31 are connected in the opposite direction to the LEDs 32a to 32c of the signal path 32 in the parallel circuit 3.
  • a lamp filament preheater 4 is connected in series with the parallel circuit 3 and the second lamp filament 12.
  • the lamp coil preheater 4 comprises a reactance, which is designed as a capacitor 41 in the exemplary embodiment.
  • a switch 5 is connected in the embodiment, with a bridging of the parallel circuit 3 and thus the LEDs 31a to 31c and 32a to 32c when igniting the fluorescent lamp 1, to reduce the attenuation in the resonant circuit, or switching off the LED light is possible.
  • an additional reactance which is designed as a capacitor 6, connected.

Landscapes

  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)
  • Circuit Arrangements For Discharge Lamps (AREA)
  • Lasers (AREA)
EP06776434A 2005-07-28 2006-07-26 Systeme d'eclairage Not-in-force EP1908336B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005035429A DE102005035429A1 (de) 2005-07-28 2005-07-28 Beleuchtungssystem
PCT/EP2006/007397 WO2007012481A1 (fr) 2005-07-28 2006-07-26 Systeme d'eclairage

Publications (2)

Publication Number Publication Date
EP1908336A1 true EP1908336A1 (fr) 2008-04-09
EP1908336B1 EP1908336B1 (fr) 2009-08-26

Family

ID=37087719

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06776434A Not-in-force EP1908336B1 (fr) 2005-07-28 2006-07-26 Systeme d'eclairage

Country Status (8)

Country Link
US (1) US7928666B2 (fr)
EP (1) EP1908336B1 (fr)
KR (1) KR101315141B1 (fr)
CN (1) CN100584133C (fr)
AT (1) ATE441311T1 (fr)
DE (2) DE102005035429A1 (fr)
TW (1) TW200711528A (fr)
WO (1) WO2007012481A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013024389A1 (fr) * 2011-08-15 2013-02-21 Koninklijke Philips Electronics N.V. Commande d'éclairage électronique compatible avec un ballast destinée à une lampe à diodes électroluminescentes
TWM439153U (en) * 2011-12-29 2012-10-11 Xu Xiu Yu Lamp structure with switchable illumination modes

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19644115A1 (de) * 1996-10-23 1998-04-30 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Schaltungsanordnung zum Betrieb einer Hochdruckentladungslampe sowie Beleuchtungssystem mit einer Hochdruckentladungslampe und einem Betriebsgerät für die Hochdruckentladungslampe
JP4187307B2 (ja) * 1998-06-12 2008-11-26 株式会社朝日ラバー 発光ダイオード及びそれを用いたディスプレイ
JP2000048970A (ja) * 1998-07-28 2000-02-18 Matsushita Electric Works Ltd 補助照明装置
US6388393B1 (en) * 2000-03-16 2002-05-14 Avionic Instruments Inc. Ballasts for operating light emitting diodes in AC circuits
JP2003133087A (ja) * 2001-10-26 2003-05-09 Matsushita Electric Works Ltd 照明装置
JP2004103444A (ja) * 2002-09-11 2004-04-02 Toshiba Lighting & Technology Corp 照明器具
US7723740B2 (en) * 2003-09-18 2010-05-25 Nichia Corporation Light emitting device
US7192160B2 (en) * 2004-07-12 2007-03-20 General Manufacturing, Inc. Light fixture

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2007012481A1 *

Also Published As

Publication number Publication date
US20090251895A1 (en) 2009-10-08
US7928666B2 (en) 2011-04-19
WO2007012481A1 (fr) 2007-02-01
KR20080042096A (ko) 2008-05-14
DE502006004678D1 (de) 2009-10-08
CN101233787A (zh) 2008-07-30
TW200711528A (en) 2007-03-16
EP1908336B1 (fr) 2009-08-26
ATE441311T1 (de) 2009-09-15
DE102005035429A1 (de) 2007-02-01
KR101315141B1 (ko) 2013-10-07
CN100584133C (zh) 2010-01-20

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