EP0488002B1 - Verfahren und Einrichtung zur Steuerung von Gasentladungslampen mit elektronischen Vorschaltgeräten - Google Patents

Verfahren und Einrichtung zur Steuerung von Gasentladungslampen mit elektronischen Vorschaltgeräten Download PDF

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Publication number
EP0488002B1
EP0488002B1 EP91119588A EP91119588A EP0488002B1 EP 0488002 B1 EP0488002 B1 EP 0488002B1 EP 91119588 A EP91119588 A EP 91119588A EP 91119588 A EP91119588 A EP 91119588A EP 0488002 B1 EP0488002 B1 EP 0488002B1
Authority
EP
European Patent Office
Prior art keywords
switching
lamp
switching arrangement
arrangement according
ballasts
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.)
Expired - Lifetime
Application number
EP91119588A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0488002A1 (de
Inventor
Walter Senator H.C. Dr.H.C.Ing. Holzer
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Individual
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Individual
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Filing date
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Application filed by Individual filed Critical Individual
Publication of EP0488002A1 publication Critical patent/EP0488002A1/de
Application granted granted Critical
Publication of EP0488002B1 publication Critical patent/EP0488002B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • 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
    • 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
    • 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
    • H05B41/40—Controlling the intensity of light discontinuously
    • H05B41/42—Controlling the intensity of light discontinuously in two steps only
    • 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
    • H05B47/175—Controlling the light source by remote control
    • H05B47/185—Controlling the light source by remote control via power line carrier transmission

Definitions

  • the invention relates to a circuit arrangement for controlling the brightness of gas discharge lamps with the features of the preamble of claim 1.
  • a circuit arrangement with these features is described in GB-A-21 51 115. There, the switching system switches the assigned electrical ballast on or off. A short power interruption causes the associated electronic ballast to be switched on.
  • gas discharge lamps switched in groups are to be switched on and off separately from one another.
  • the gas discharge lamps that do not have a switchable ballast are switched on.
  • the other group of gas discharge lamps, which have a switchable ballast, are not yet ignited - when they are switched on for the first time.
  • DE-B-19 24 012, DE-A-32 08 034 or EP-A-00 93 408 describe electronic ballasts in which the lamp current of a single lamp is influenced by an external switching device.
  • the invention has for its object to design a circuit arrangement with the features of the preamble of claim 1 so that it is particularly well adapted to the practical needs when dimming a gas discharge lamp.
  • the switching system thus influences the electronic ballast in such a way that different lamp currents correspond to the different switching states of the switching system.
  • the switchover system there is a change between the two switching states immediately with every brief power interruption.
  • the features specified achieve a reduced light intensity overall for all lamps which are switched via the same light switch.
  • a bistable switching system (flip-flop) is present in the circuit, which switches to a first switching state and a short when the lamp is switched on Interruption of the circuit enters a second switching state. So with every short power interruption, there is a change between the two switching states.
  • the two switching states correspond to different lamp currents and thus different brightness values.
  • Such a flip-flop system can advantageously be accommodated in a simple manner in the electronic ballast.
  • bistable switching system controls several electronic ballasts in groups.
  • a short-time switch for. B. in the form of a push button in the circuit, which interrupts so briefly that the lamp does not go out, but the bistable switching system responds to the interruption.
  • Figure 1 shows an example embodiment in a schematic representation of how a device according to the invention could be constructed.
  • the gas discharge lamp (lamp 1) is connected to the network R, S via an electronic ballast 2.
  • the bistable switching system 6 In between is the bistable switching system 6 and a light switch 8 with which the lamp 1 can be switched on. As soon as the switch 8 is opened briefly after the first switching on, the bistable switching system switches to its second switching position and thus influences the lamp current through the lamp 1 via the electronic ballast 2.
  • a short-term interrupter is arranged as a button 13 in the feed line R, the z. B. can be designed as a push button. If this button 13 is pressed, there is a power interruption in the millisecond range, short enough to prevent lamp 1 from being annoyingly extinguished, but long enough to allow bistable switching system 6 to respond.
  • a control element 10 is provided, which reduces the lamp current as desired in the manner of a "dimmer".
  • FIG. 2 shows a group arrangement with, for example, 3 lamps 1, which are supplied by the electronic ballasts 3, 4 and 5.
  • the bistable switching system 7 acts on all 3 electronic ballasts 3, 4 and 5, however, a separate control element 11 is provided for the electronic ballast 3 for setting the reduced brightness.
  • control element 12 acts as a group on the electronic ballasts 4 and 5.
  • bistable switching system 6, 7 can be integrated in the electronic ballasts 2, 3, 4, 5 or in one of the same.
  • control elements 10, 11, 12 could also be integrated into the electronic ballasts.
  • This exemplary embodiment shows the mode of operation of the switching system 6, 7 on a ballast 27 which contains a stray field transformer 30.
  • ballast 27 can be replaced by appropriate capacitive elements in connection with semiconductor switches.
  • the field of application of the present invention therefore extends not only to a ballast 27 with a stray field transformer 30, but to ballasts of any type, regardless of their construction in detail.
  • a lamp housing which carries a translucent lens 22.
  • a fluorescent lamp 23 with preheatable electrodes 24, 25 and a reflector 26 is arranged in the housing.
  • the lamp 23 is connected to an electrical feed line via a ballast 27 and a switch 39.
  • a winding 29 connected to the lamp circuit is used to operate the fluorescent lamp 23 with reduced brightness.
  • a stray field transformer 30 with primary winding 31, secondary winding 32 for lamp 23 and secondary heating winding 33, 34 for lamp electrodes 24, 25 and the winding 29 is housed, which is arranged in series with the secondary winding 32 of the stray field transformer.
  • the windings of the stray field transformer 30 are arranged on a jacket core, with scattering paths 36, 37 being arranged between the primary winding 31 connected to the input terminals E 1, E 2 and the windings 32, 33, 34.
  • the ends of the heating windings 33, 34 are connected to the terminals H1 to H4, which in turn are connected via conductors to the electrodes 24, 25 of the fluorescent lamp.
  • the electrical supply line to the lamp housing is expediently provided with a mains plug 28.
  • the winding 29 is preferably connected to one end of the secondary winding 32 for the lamp and to one end of the heating winding 33 and can be bridged by a switch 38.
  • the winding 29 is expediently designed as a choke 41 with a closed magnetic core and accommodated in the ballast 27.
  • the winding ends of the choke 41 are connected to the terminals S1, S2.
  • the switch 38 which is attached to the lamp housing, is closed to achieve full brightness, so that the inductance 29 is bridged.
  • the lamp electrodes 24, 25 are strongly preheated.
  • the fluorescent lamp 23 is then ignited by the stray field transformer only after sufficient preheating.
  • the duration of the preheating adapts to the respective ambient temperature. After the lamp has been ignited, the heating current drops. If the lamp is operated at full brightness, the heating current is reduced to a level which does not impair the life of the lamp. When the brightness is reduced, the preheating increases again automatically, so that the electrodes are sufficiently heated even in low-load operation.

Landscapes

  • Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)
  • Circuit Arrangements For Discharge Lamps (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
EP91119588A 1990-11-29 1991-11-16 Verfahren und Einrichtung zur Steuerung von Gasentladungslampen mit elektronischen Vorschaltgeräten Expired - Lifetime EP0488002B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4037948 1990-11-29
DE4037948A DE4037948A1 (de) 1990-11-29 1990-11-29 Verfahren und einrichtung zur steuerung von gasentladungslampen mit elektronischen vorschaltgeraeten

Publications (2)

Publication Number Publication Date
EP0488002A1 EP0488002A1 (de) 1992-06-03
EP0488002B1 true EP0488002B1 (de) 1995-06-07

Family

ID=6419134

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91119588A Expired - Lifetime EP0488002B1 (de) 1990-11-29 1991-11-16 Verfahren und Einrichtung zur Steuerung von Gasentladungslampen mit elektronischen Vorschaltgeräten

Country Status (5)

Country Link
EP (1) EP0488002B1 (enrdf_load_stackoverflow)
JP (1) JP2651764B2 (enrdf_load_stackoverflow)
CN (1) CN1063791A (enrdf_load_stackoverflow)
AT (1) ATE123616T1 (enrdf_load_stackoverflow)
DE (2) DE4037948A1 (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6181074B1 (en) 1998-04-07 2001-01-30 Patent-Treuhand-Gesellschaft Fuer Elektrische Gluehlampen Mbh Operating circuit for discharge lamps with switchable operating states

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5194781A (en) * 1991-07-31 1993-03-16 Motorola Lighting, Inc. Control circuit
US5373218A (en) * 1993-05-04 1994-12-13 Motorola Lighting, Inc. Toggle brightening circuit for powering gas discharge lamps and method for operating gas discharge lamps
US5477113A (en) * 1994-09-30 1995-12-19 Toroid Hong Kong Limited Apparatus for applying a variable voltage to an electric load
DE4441140A1 (de) * 1994-11-18 1996-05-30 Hilite Lighting And Electronic Dimmschaltung für Leuchtstofflampen
DE19502772C2 (de) * 1995-01-30 2002-02-28 Walter Holzer Elektronisches Vorschaltgerät für Leuchtstofflampen
DE19515592A1 (de) * 1995-05-02 1996-11-07 Walter Holzer Gasentladungslampe mit Schonstart
DE29507522U1 (de) * 1995-05-05 1995-11-16 Fa. Ed. Liesegang, 40221 Düsseldorf Stromversorgung für einen Projektor mit Metalldampflampe
NL1002842C2 (nl) * 1996-04-11 1997-10-15 Netherlands Car Bv Lampaanstuurschakeling.
DE19622801A1 (de) * 1996-06-07 1997-12-11 Science Beteiligungs Gmbh Schaltungsanordnung zur Steuerung der Helligkeit von Gasentladungslampen
DE19627607A1 (de) * 1996-07-09 1998-01-15 Rudolf Schmidt Vorrichtung zum Steuern der Intensität des von einem Beleuchtungselement einer Beleuchtungsanlage, insbesondere Taschenlampe abgegebenen Lichts
DE19629207A1 (de) * 1996-07-19 1998-01-22 Holzer Walter Prof Dr H C Ing Helligkeitssteuerung von Leuchtstoff-Kompaktlampen
DE19711183A1 (de) * 1997-03-18 1998-09-24 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Verfahren und Schaltungsanordnung zum Betrieb mindestens einer Entladungslampe
GB2334832A (en) * 1998-02-28 1999-09-01 Desmond Charles Drummond Controlling secondary lighting; night lights
WO2004068532A2 (en) * 2003-01-30 2004-08-12 Koninklijke Philips Electronics N.V. Fluorescent lamp with a second ballast for dimmed lighting mode
CN1925714B (zh) * 2005-09-02 2010-05-05 索玉昇 气体放电灯的多段调光控制装置及其调光控制方法
EP2587897A1 (en) * 2011-10-25 2013-05-01 Easy Solution Holdings Limited Controller for a fluorescent lamp

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1924012B2 (de) * 1969-05-10 1977-05-12 Siemens AG, 1000 Berlin und 8000 München Anordnung zur aenderung der lichtleistung einer leuchtstofflampe
DE3208034A1 (de) * 1982-03-05 1983-09-08 Elektra Bahn-Elektronik Gmbh, 7750 Konstanz Transistorvorschaltgeraet mit daemmerungsschaltung
GB2151115A (en) * 1983-11-21 1985-07-10 Concord Controls Limited Control circuit for a fluorescent tube

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5532360A (en) * 1978-08-29 1980-03-07 Matsushita Electric Works Ltd Dimming device
EP0093408A1 (en) * 1982-04-29 1983-11-09 Bronson Potter Brightness control device
JPS5960997A (ja) * 1982-09-30 1984-04-07 東芝ライテック株式会社 調光制御システム
US4558262A (en) * 1983-03-09 1985-12-10 Lutron Electronics Co., Inc. Load switching arrangement for gas discharge lamp circuit
DE3414489A1 (de) * 1984-04-17 1985-10-24 Reinhard 2800 Bremen Mahnkopf Schaltungsanordnung zur speisung einer leuchtstofflampe
JPS6430199A (en) * 1987-07-23 1989-02-01 Toshiba Electric Equip Discharge lamp lighting device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1924012B2 (de) * 1969-05-10 1977-05-12 Siemens AG, 1000 Berlin und 8000 München Anordnung zur aenderung der lichtleistung einer leuchtstofflampe
DE3208034A1 (de) * 1982-03-05 1983-09-08 Elektra Bahn-Elektronik Gmbh, 7750 Konstanz Transistorvorschaltgeraet mit daemmerungsschaltung
GB2151115A (en) * 1983-11-21 1985-07-10 Concord Controls Limited Control circuit for a fluorescent tube

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6181074B1 (en) 1998-04-07 2001-01-30 Patent-Treuhand-Gesellschaft Fuer Elektrische Gluehlampen Mbh Operating circuit for discharge lamps with switchable operating states

Also Published As

Publication number Publication date
EP0488002A1 (de) 1992-06-03
JPH04286899A (ja) 1992-10-12
DE4037948C2 (enrdf_load_stackoverflow) 1993-05-06
JP2651764B2 (ja) 1997-09-10
CN1063791A (zh) 1992-08-19
ATE123616T1 (de) 1995-06-15
DE59105660D1 (de) 1995-07-13
DE4037948A1 (de) 1992-06-04

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