EP2182782A2 - Agencement constitué d'un appareil d'entrée électronique et d'un appareil de commande d'atténuation y étant connecté et procédé de fonctionnement d'une lampe - Google Patents

Agencement constitué d'un appareil d'entrée électronique et d'un appareil de commande d'atténuation y étant connecté et procédé de fonctionnement d'une lampe Download PDF

Info

Publication number
EP2182782A2
EP2182782A2 EP09173744A EP09173744A EP2182782A2 EP 2182782 A2 EP2182782 A2 EP 2182782A2 EP 09173744 A EP09173744 A EP 09173744A EP 09173744 A EP09173744 A EP 09173744A EP 2182782 A2 EP2182782 A2 EP 2182782A2
Authority
EP
European Patent Office
Prior art keywords
lamp
electronic ballast
terminals
voltage
control unit
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
EP09173744A
Other languages
German (de)
English (en)
Other versions
EP2182782B1 (fr
EP2182782A3 (fr
Inventor
Werner Longhino
Robert Struebl
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 EP2182782A2 publication Critical patent/EP2182782A2/fr
Publication of EP2182782A3 publication Critical patent/EP2182782A3/fr
Application granted granted Critical
Publication of EP2182782B1 publication Critical patent/EP2182782B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • H05B41/24—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
    • H05B41/36—Controlling
    • H05B41/38—Controlling the intensity of light
    • H05B41/40—Controlling the intensity of light discontinuously
    • 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

Definitions

  • lamps operate in different modes, which differ in the light intensity emitted by the lamp.
  • lamps are operated to emit light of a fairly high intensity in a normal mode, and it is possible to change to a dimming mode in which the lamp emits light with a significantly lower intensity.
  • dimming mode energy is saved.
  • a high intensity of the light emission is often desired. It is thus a control required when you want to switch from normal operation to the dimming operation.
  • street lighting it is common to switch to a dimming operation after a predetermined period of time of between four and six hours since the lamp was turned on.
  • the invention is concerned with this change between two operating modes of the lamp and thus relates to a method of operating a lamp.
  • it provides a novel arrangement of an electronic ballast and a dimming control unit connected to it.
  • an electronic ballast comprises a transformer, wherein the transformer is applied to its primary side with an AC voltage. Said two terminals of the electronic ballast are coupled to the secondary side, on which a rectifier is also provided. Then there is a constant voltage. If a load is connected between the two terminals, this influences the overall arrangement and in particular causes a change of potentials on the primary side of the transformer.
  • An interface of the type described is z.
  • the standard concerns the special case of an electronic ballast for a fluorescent lamp.
  • the invention is also applicable to electronic ballasts for halogen lamps, high-pressure lamps and LEDs, in which the interface can then be designed analogous to said interface for fluorescent lamps.
  • the interface is typically used to communicate control commands to the electronic ballast.
  • a central control unit is provided, which is coupled to the respective interfaces.
  • a central control unit is provided, which is coupled to the respective interfaces.
  • the object of the present invention is to show a way in which the elapse of a dimming time can be communicated in an uncomplicated manner to an electronic ballast.
  • the electronic ballast of the device is characterized in that it is designed to drive a lamp connected to it in response to the result of the analysis concerning the load connected to the terminals.
  • a (dimming) control device is connected to the two terminals, which (in particular exclusively) draws energy to its operation via a voltage applied to the two terminals.
  • the conventional interface does not allow a large power output, at most currents in the ⁇ A range flow through the two terminals, but the dimming controller can be made low in consumption by using only electronic components.
  • the dimming control unit has a clock and is able to change the load applied between the two terminals by electronic control in response to an information provided by the clock or due to signals emitted by the clock.
  • a circuit is used with a transistor and changed by the electronic control at its control input (base or gate) applied potential, while other elements such as a Zener diode, a plurality of diodes and / or resistors, the two other terminals ( Collector or source on the other hand and emitter or drain on the other hand) of the transistor are coupled to the two terminals of the electrical ballast.
  • the dimming control unit can be accommodated together with the electronic ballast in the body of a lamp, and there are no external control lines to the light out required.
  • the dimming controller can be easily coupled to the electronic ballast without the need for testing by a test organization.
  • the dimming control unit should be determined by the dimming control unit according to its name, when a connected to the electronic ballast lamp should be dimmed. It is therefore only necessary to distinguish between two states, namely "undimmed” and "dimmed". Accordingly, in the simplest case, the dimming control unit is designed to change from a first state relating to the applied load to a second state.
  • the electronic ballast need only be designed to discriminate between these two states of the dimming controller connected to it, and in the first state it should drive a lamp connected to it so that it emits light of a first intensity, and in that case second state, the lamp so drive that this light with a second, compared to the first intensity of reduced light (ie dimmed) emits.
  • a dimming control unit should simply cause the lamp to be dimmed after a predetermined period of time since the lamp was switched on. Said time period should be determined by the dimming control unit. It is possible to provide different dimming control units at different times, so that in each case the required dimming control unit is to be connected to the electronic ballast.
  • the predetermined period of time can also be stored as a data value in the dimming control unit and be variable via inputs. In any case, the invention makes it possible to dim a lamp after a predetermined period of time since the beginning of its operation, without that period of time having to be stored in the electronic ballast itself.
  • the predetermined period of time is given, and the same is preferably designed to wait from the beginning of its supply of voltage (namely, the two terminals of the electronic ballast) a lapse of exactly this predetermined period of time and then a change in the effect load applied between the two terminals.
  • the dimming control unit it can be provided that when the supply of voltage begins, a basic state is automatically set, that is to say the first state, and that an active measure is required in order to change to another, namely the second state.
  • the dimming controller then functions like a timer, with the difference that it itself draws its voltage from the electronic ballast to which there are, so to speak, releases of the voltage connections be processed by the electronic ballast almost like a control command.
  • the first mode of operation is a mode in which the lamp is normal and the second mode of operation is a mode in which the lamp is dimmed.
  • the lamp preferably emits light in a lower intensity in the second operating mode than in the first operating mode.
  • a lamp 10 is driven by an electronic ballast 12 in a conventional manner.
  • the electronic ballast 12 can be coupled to a power supply network via network connections 14a, 14b. Internal circuits in the electronic ballast 12 cause that the lamp 10 is driven with a suitable operating voltage, wherein the energy is obtained via the power supply network connected to the mains connections 14a and 14b.
  • the electronic ballast 12 has an interface with two input terminals 16a and 16b. The electronic ballast 12, as soon as a voltage is applied to its power terminals 14a and 14b, in turn to a voltage at the terminals 16a and 16b. About this voltage, a dimming control unit 18 is supplied with electrical energy.
  • the dimming controller 18 includes a timer 20.
  • a predetermined period of time is set, and the timer 20 starts the time since the dimmer controller was turned on, which automatically occurs with application of the voltage to the terminals 16a and 16b. to detect and outputs after the elapse of the predetermined period of time according to the arrow 22 from a signal.
  • means 24 for limiting a voltage and a switching actuator 26 are connected in series.
  • the means 24 and the switching actuator 26 are thus applied as a load on or between the terminals 16a and 16b.
  • the means for voltage limiting 24 are z. B. designed as a Zener diode, as a series connection of diodes other than diodes diodes, possibly formed only as resistors, or they comprise a combination of Zener diodes, conventional diodes and / or resistors.
  • Switching actuator 26 in the simplest example, is a transistor connected to the output of an integrated circuit or a microcontroller is coupled. It can also be directly the output of a microcontroller.
  • the transistor 26 is switched, namely by the control command from the controller 20 according to the arrow 22, the load applied to the terminals 16a and 16b changes in the short term.
  • the electronic ballast 12 can detect a change in this load and changes its driving behavior.
  • the electronic ballast 12 as soon as it is switched on, ie via the power connections 14a and 14b electrical energy, the lamp 10 in a normal operation control.
  • the timing controller 20 in the dimming controller 18 starts detecting the time, and after elapse of a predetermined period of time due to the control instruction shown by the arrow 22, the load is changed, the electronic ballast 12 recognizes it, and changes the driving of the lamp 10, that this is subsequently operated in dimming mode.
  • the dimming controller should first leave the voltage between the terminals 16a and 16b above 10 V after being turned on, and after actuation of the switching actuator 26, this voltage should decrease to a value between 1 and 10 V.
  • a 1 to 10 V interface has two input terminals, which are coupled via a rectifier to the secondary side of a transformer. When changing the load at the input terminals 16a and 16b, the voltage drop across the primary side of the transformer when AC voltage changes, and this can be measured so that the electronic ballast 12 in the present case recognizes that the switching actuator 26 has been activated.
  • the dimming control unit 18 By the connection of the dimming control unit 18 to an existing conventional electronic ballasts anyway 12 interface is a time control for the electronic ballast 12 and thus indirectly provided for the lamp 10 in an inexpensive way.
  • the timing is not provided internally in the electronic ballast 12.
  • the wiring effort to be driven is low because the dimming controller 18 draws the power to its operation solely through the terminals 16a and 16b. Separate power connections for the dimming controller 18 are therefore not required.
  • a dimming control unit 18 with the described properties is available as a simple electronic circuit, possibly with some intelligent elements such as microcontrollers, etc., which consumes little electrical energy and at the same time occupies little space. Thus, the dimming controller 18 can be readily accommodated together with the electronic ballast 12 in a lamp comprising the lamp 10.

Landscapes

  • Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
EP09173744A 2008-11-03 2009-10-22 Agencement constitué d'un appareil d'entrée électronique et d'un appareil de commande d'atténuation y étant connecté et procédé de fonctionnement d'une lampe Not-in-force EP2182782B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102008054290A DE102008054290A1 (de) 2008-11-03 2008-11-03 Anordnung aus elektronischem Vorschaltgerät und daran angeschlossenem Dimm-Steuergerät sowie Verfahren zum Betreiben einer Lampe

Publications (3)

Publication Number Publication Date
EP2182782A2 true EP2182782A2 (fr) 2010-05-05
EP2182782A3 EP2182782A3 (fr) 2011-03-16
EP2182782B1 EP2182782B1 (fr) 2012-12-05

Family

ID=41668422

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09173744A Not-in-force EP2182782B1 (fr) 2008-11-03 2009-10-22 Agencement constitué d'un appareil d'entrée électronique et d'un appareil de commande d'atténuation y étant connecté et procédé de fonctionnement d'une lampe

Country Status (5)

Country Link
US (1) US20100109574A1 (fr)
EP (1) EP2182782B1 (fr)
KR (1) KR20100049492A (fr)
CN (1) CN101730346B (fr)
DE (1) DE102008054290A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013204858A1 (de) * 2013-03-20 2014-10-09 Osram Gmbh Elektronisches Vorschaltgerät und Verfahren zum Betreiben mindestens eines Leuchtmittels
DE102015112058A1 (de) * 2015-07-23 2017-01-26 Itz Innovations- Und Technologiezentrum Gmbh Modul und Betriebsgerät zum Versorgen eines LED-Leuchtmittels mit dazu passend einstellbarem Betriebsstrom
CN107306470A (zh) * 2016-04-21 2017-10-31 广西苏中达科智能工程有限公司 一种通用型气体放电灯调光装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4924109A (en) * 1987-11-02 1990-05-08 Weber Harold J Dim-down electric light time switch method and apparatus
US4937504A (en) * 1988-08-31 1990-06-26 Honeywell Inc. Time delay initialization circuit
US4928038A (en) * 1988-09-26 1990-05-22 General Electric Company Power control circuit for discharge lamp and method of operating same
DE4418315C2 (de) * 1994-05-26 1998-02-26 L & R Losse Und Ramscheid Date Verfahren und Schaltungsvorrichtung zur Reduzierung des Energieverbrauchs von Straßenbeleuchtungsnetzen
US5757145A (en) * 1994-06-10 1998-05-26 Beacon Light Products, Inc. Dimming control system and method for a fluorescent lamp
US5789868A (en) * 1996-08-13 1998-08-04 The Lamson & Sessions Co. Timed photocell switch circuit
US6043611A (en) * 1997-04-10 2000-03-28 Philips Electronics North America Corporation Dimmable compact fluorescent lamp
DE19823422A1 (de) * 1998-05-15 1999-11-18 Ernst Slamecka Drahtlos helligkeitsgesteuerter elektrischer Schalter
CN1336093A (zh) * 1999-11-02 2002-02-13 皇家菲利浦电子有限公司 电路装置
DE102007047141A1 (de) * 2007-10-02 2009-04-09 Tridonicatco Gmbh & Co. Kg Betriebsgerät zum Steuern des Einbrennvorganges einer Lampe

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None

Also Published As

Publication number Publication date
EP2182782B1 (fr) 2012-12-05
KR20100049492A (ko) 2010-05-12
CN101730346B (zh) 2014-05-14
DE102008054290A1 (de) 2010-05-12
CN101730346A (zh) 2010-06-09
EP2182782A3 (fr) 2011-03-16
US20100109574A1 (en) 2010-05-06

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