EP1748686B1 - Circuit électronique pour commander un ballast électronique - Google Patents

Circuit électronique pour commander un ballast électronique Download PDF

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Publication number
EP1748686B1
EP1748686B1 EP06015628A EP06015628A EP1748686B1 EP 1748686 B1 EP1748686 B1 EP 1748686B1 EP 06015628 A EP06015628 A EP 06015628A EP 06015628 A EP06015628 A EP 06015628A EP 1748686 B1 EP1748686 B1 EP 1748686B1
Authority
EP
European Patent Office
Prior art keywords
country
lamp
circuit arrangement
electronic circuit
voltage
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.)
Not-in-force
Application number
EP06015628A
Other languages
German (de)
English (en)
Other versions
EP1748686A2 (fr
EP1748686A3 (fr
Inventor
Thomas Pollischansky
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
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Filing date
Publication date
Application filed by Osram GmbH filed Critical Osram GmbH
Publication of EP1748686A2 publication Critical patent/EP1748686A2/fr
Publication of EP1748686A3 publication Critical patent/EP1748686A3/fr
Application granted granted Critical
Publication of EP1748686B1 publication Critical patent/EP1748686B1/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
    • H05B41/26—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

Definitions

  • the present invention relates to an electronic circuit arrangement for controlling an electronic ballast, wherein the electronic ballast for setting and operating an electric lamp is formed with at least one lamp filament. Furthermore, the invention also relates to a method for controlling an electronic ballast by means of an electronic circuit arrangement, wherein by means of the electronic ballast, an electric lamp is set and operated with at least one lamp filament.
  • an electronic ballast that has a microcontroller that can be programmed differently for different markets and lamp types.
  • Electronic ballasts for operating electric lamps, in particular fluorescent lamps, are for reasons of approval of various modes of operation Starting or igniting such an electric lamp country-specific design.
  • an ignition pulse may only be generated if an electric lamp is used.
  • Under an inserted state of a lamp is understood that this electric lamp is properly arranged in the lamp or in the socket. In general, it is detected whether the cold lamp filament has this inserted state.
  • electronic ballasts are currently used with a lamp coil preheating, in which case the electronic ballast is connected via four electrical lines to the electric lamp.
  • the electronic ballast is connected there via two electrical lines to the electric lamp, in particular the fluorescent lamp.
  • the lamp filaments are only connected on one side.
  • a so-called cold start of an electric lamp is performed.
  • several ignition attempts are initiated without checking whether an electric lamp has an inserted state. Because of these country-specific operations of electronic ballasts when starting or igniting an electric lamp, it is therefore not readily possible electronic circuits for controlling the electronic ballasts and thus also to control the starting of the electric lamp for a European operation and at the same time for an American mode of operation consulted.
  • the present invention is therefore an object of the invention to provide an electronic circuit arrangement for controlling an electronic ballast and a method for controlling an electronic ballast, which or which can be realized with little effort and can be used regardless of country.
  • An inventive electronic circuit arrangement is designed to control an electronic ballast such that by means of the electronic ballast, an electric lamp with at least one lamp coil is adjustable and operable.
  • An essential idea of the invention is that the electronic circuit arrangement has an electrical connection pin, to which external signals can be applied, and the electronic circuit arrangement is designed in such a way that, on the basis of the Connection pin applied signals a country-specific use of the electronic ballast detectable and an inserted state of the lamp coil is recognizable.
  • the electronic circuit arrangement according to the invention thus enables a safe and reliable control of the electronic ballast, which can thus be used both for operation in Europe and in the United States.
  • a safe and reliable starting operation or ignition of an electric lamp can be ensured by the electronic ballast both in Europe and in the United States.
  • an ignition sequence of the electric lamp to be initiated by the electronic circuit arrangement is dependent on the recognized country-specific use. As a result, it can be achieved in a secure manner that, depending on the respective country-dependent operation, a safe and correct starting operation or ignition process of the electric lamp can also be carried out.
  • the electronic circuit arrangement is preferably designed such that the country-specific use of the electronic ballast and an inserted state of the lamp filament can be detected by means of an input voltage signal at the connection pin. It is preferred that a first country-specific use is characterized by an input voltage signal having a voltage value above a first voltage threshold value. The assignment in which country the setting and operation of an electric lamp by means of an electronic ballast, which has the electronic circuit arrangement according to the invention, can thus be detected as a basic requirement quickly and subsequent operating conditions can be adjusted based on this recognized country-specific use.
  • an inserted state of the lamp filament is characterized by a decrease in the voltage value of the input voltage signal below the first voltage threshold value.
  • it can further be detected by this high voltage value that, if this voltage value of the input voltage signal remains above the voltage threshold, the lamp filament has a non-inserted state, and thus the electric lamp is not or not correctly in the lamp or in the socket in which the electric lamp is to be used, is arranged.
  • the voltage value of the input voltage signal drops below the first voltage threshold value, it is thereby reliably detected that the lamp filament has the inserted state and thus the electric lamp is also correctly positioned in the socket or the electrical lamp.
  • connection pin is connected to an internal current source of the electrical circuit arrangement.
  • a first country-specific use of the terminal pin is advantageously electrically connected via a resistor to a first end of the lamp coil. If the second end of the lamp filament is connected to ground potential, this embodiment of the first country-specific use can generate a current flow, and the voltage value of the input voltage signal drops below the first threshold value when the lamp has the inserted state. A safe and reliable detection of an inserted or a non-inserted state of the lamp filament is thereby made possible.
  • the first country-specific use explained above is preferably designed for Europe.
  • a second country-specific use is advantageously characterized by an input voltage signal having a voltage value below a second voltage threshold.
  • the connection pin is preferably connected to ground potential.
  • the lamp filament of the electric lamp is also connected to one end of this lamp filament to ground potential.
  • Such second country-specific design is preferably designed for use in the United States.
  • the electronic circuit arrangement is advantageously designed as an integrated circuit, in particular as a control Asic and arranged in the electronic ballast.
  • the design of the electronic circuit arrangement as an integrated circuit with two functions (lamp filament detection, recognition of the country-specific operating mode) with only one connection pin can be realized in a cost effective manner.
  • An integrated circuit package with a minimized pin count can be created.
  • a method according to the invention for controlling an electronic ballast by means of an electronic circuit arrangement wherein an electric lamp with at least one lamp filament is set and operated by means of the electronic ballast, at least one signal is applied to an electrical connection pin of the electronic circuit arrangement and the electronic circuit arrangement in such a way designed such that a country-specific use of the electronic ballast is determined and an inserted state of the lamp filament is detected due to the signal applied to the pin connection.
  • the inventive method a safe and reliable operation of an electric lamp, especially when starting or when igniting the electric lamp, also be achieved when country-dependent individual operations of the electric lamp are required.
  • the electronic ballast is controlled by the method according to the invention by means of the electronic circuit arrangement such that use can be made independent of the country. A conception of different electronic circuit arrangements, especially control Asics, for use in different countries is thus no longer required by the invention.
  • advantageous embodiments of the electronic circuit arrangement are to be regarded as advantageous embodiments of the method according to the invention, as far as this is transferable.
  • FIG. 1 an electronic circuit arrangement according to the invention is shown in a schematic manner.
  • the electronic circuit arrangement according to the invention is designed in the exemplary embodiment as an integrated circuit in the form of a control Asics 1.
  • the control Asic 1 is in an electronic ballast for setting and operating an electric lamp, which is formed in the embodiment as a fluorescent lamp 2 is formed.
  • a country-specific design is shown, which meets the requirements for use in Europe.
  • the control Asic 1 has in the embodiment a connection pin 11, which is connected to a resistor 3. About this resistor 3, the connection pin 11 with a first end 21a of a lamp filament 21, in particular the cold lamp filament, the fluorescent lamp 2 is electrically connected. A second end 21b of the lamp filament 21 is connected to ground potential.
  • the control Asic 1 is connected to another terminal 12 to ground potential.
  • connection pin 11 of the control Asics 1 Due to the one connection pin 11 of the control Asics 1, it is possible that due to the input voltage signals applied to this connection pin 11, a country-specific use of the electronic ballast can be determined and an inserted state of the lamp filament 21 can be seen.
  • control Asic 1 has a power source indicated by I and not shown in detail, which is electrically connected to the terminal pin 11.
  • FIG. 1 shows FIG. 1 also a voltage limiter element which is connected to the connection pin 11 and which is designed as a zener diode 4 in the exemplary embodiment.
  • the input voltage signal is applied to a voltage value which is above a first voltage threshold U2. Based on this input voltage signal with a voltage value greater than this first threshold value U2, it is also detected whether the cold lamp filament 21 has an inserted or a non-inserted state. If the voltage value of the input voltage signal remains above this first voltage threshold value U2 over the further course of time. it is thus recognized that the lamp filament 21 and thus also the electric lamp 2 has a non-inserted state. Because in this non-inserted state no current can flow through the electric lamp filament 21 and consequently the maximum voltage is applied to the terminal pin 11. This maximum voltage is limited internally in the control Asic 1 or by the Zener diode 4.
  • FIG. 4 the control Asic 1 according to the invention is shown in a second country-specific embodiment.
  • the connection pin 11 connected to ground potential.
  • This embodiment corresponds to a conception that can be used in the United States.
  • This country-specific use in the United States is recognized by the control Asic 1 by applying to the terminal pin 11 an input voltage signal having a voltage value lower than a second voltage threshold U1. If such a low voltage value is detected, as shown in FIG. 6 initiated a cold start ignition sequence for the electric lamp 2, which is common in the United States.
  • the lamp 2, not shown in Figure 4 is guided with its lamp filament 21 to ground potential and has the same potential as the terminal pin 11.
  • FIG. 7 is shown schematically which voltage ranges can be determined by the specification of the two voltage thresholds U1 and U2.
  • a first voltage range I between the voltage values of about zero volts to about the second voltage threshold U 1 is given.
  • a second voltage range II is essentially predetermined between the second voltage threshold value U1 and the first voltage threshold value U2.
  • a third voltage range III is essentially determined between the first voltage threshold value U2 and a maximum voltage value Umax.
  • the first voltage threshold value U2 is greater than the second voltage threshold value UI.
  • the voltage threshold which in the embodiment according to FIG. 1 when detecting a non-inserted state of the lamp filament 21, and which is lower than the first voltage threshold U2 is in FIG. 7 characterized by the value U3.
  • the input voltage range which can be applied to the connection pin 11 of the electronic circuit arrangement or of the control Asics 1 is subdivided into three voltage ranges. Each of the voltage ranges thereby characterizes country-specific uses and / or states of the lamp filament 21.
  • the first voltage range I corresponds to the function cold start, in the voltage range II preheating is initiated and in the voltage range III, the insertion of the electric lamp 2 is awaited.
  • a further embodiment can be provided in that further operating modes can be set via a DC voltage value which is applied to the connection pin 11. For example, this can be used to define an area in which the integrated control for a Power Factor Controller (PFC) boost can be deactivated.
  • PFC Power Factor Controller
  • a further embodiment may be provided by the fact that for electronic ballasts with a detection of a lamp filament on the choice of the resistor 3 ( FIG. 1 ) - And thus on the DC voltage at the pin 11 - the number and duration of the firing bursts can be set. For this purpose, for example, a voltage range for a single firing burst and another voltage range for n> 1 firing bursts can be determined.
  • the invention relates in particular to the electronic circuit arrangement and the method according to the invention, wherein the electronic circuit arrangement can be designed, in particular, as a control asic, which fulfills both the requirements for the United States and for Europe.
  • a single terminal pin of the electronic circuitry allows detection of whether the electronic ballast in which the electronic circuitry is located is used in the United States or Europe, while also detecting a positional condition in a lamp filament of the electric lamp. Depending on the detected geographical area of application, the electronic circuit arrangement initiates a corresponding associated ignition sequence of the electric lamp.

Landscapes

  • Circuit Arrangements For Discharge Lamps (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Separation, Sorting, Adjustment, Or Bending Of Sheets To Be Conveyed (AREA)
  • Discharge Of Articles From Conveyors (AREA)
  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)

Claims (9)

  1. Circuit électronique pour commander un ballast électronique, le ballast électronique étant conçu pour régler et faire fonctionner une lampe électrique (2) avec au moins un filament spiralé (21),
    caractérisé par
    une broche de connexion électrique (11) à laquelle peuvent être appliqués des signaux, le circuit électronique (1) étant configuré pour comparer le signal appliqué à la broche de connexion (11) avec des seuils de tension (U1, U2), et
    - si la valeur de tension du signal à appliquer chute à partir d'une valeur située au-dessus du seuil de tension supérieur (U2) jusqu'à un seuil de tension situé au-dessous du seuil de tension supérieure (U2), une première utilisation spécifique d'un pays est détectée, et au-delà de cela, à l'aide du filament spiralé, un état installé de la lampe est détecté, et lorsque la lampe est installée, un premier mode de fonctionnement spécifique d'un pays est lancé, ou
    - si la valeur de tension du signal à appliquer est située au-dessous du seuil de tension inférieur (U1), une seconde utilisation spécifique d'un pays est détectée et un second mode de fonctionnement spécifique d'un pays est lancé.
  2. Circuit électronique selon la revendication 1,
    caractérisé en ce que
    une séquence d'allumage de la lampe électrique (2) à déclencher par le circuit électronique (1) est dépendante de ladite utilisation spécifique détectée.
  3. Circuit électronique selon la revendication 1 ou 2, lequel circuit est réalisé de façon à pouvoir détecter l'utilisation spécifique d'un pays et un état installé du filament spiralé (21) au moyen d'un signal de tension d'entrée appliqué à la broche de connexion (11).
  4. Circuit électronique selon la revendication 3,
    caractérisé en ce que
    un état installé du filament spiralé (21) est caractérisé par une chute de la valeur de tension du signal de tension d'entrée en dessous du premier seuil (U2).
  5. Circuit électronique selon l'une des revendications précédentes,
    caractérisé en ce que
    la broche de connexion (11) est reliée à une source de courant interne.
  6. Circuit électronique selon l'une des revendications précédentes,
    caractérisé en ce que
    lors d'une première utilisation spécifique d'un pays, la broche de connexion (11) est reliée électriquement à travers une résistance (3) à une première extrémité (21a) du filament spiralé (21).
  7. Circuit électronique selon l'une des revendications précédentes,
    caractérisé en ce que
    lors de la seconde utilisation spécifique d'un pays, la broche de connexion (11) est reliée au potentiel de masse.
  8. Circuit électronique selon l'une des revendications précédentes, lequel circuit est réalisé sous la forme d'un circuit intégré, en particulier sous la forme d'un Asic de commande.
  9. Procédé pour commander un ballast électronique, lequel est conçu pour régler et faire fonctionner une lampe électrique (2) avec au moins un filament spiralé (21), le ballast électronique comportant une broche de connexion électrique (11) pour appliquer des signaux, caractérisé par les étapes suivantes :
    a) comparer le signal appliqué à la broche de connexion (11) avec des seuils de tension (U1, U2), et
    b1) si la valeur de tension du signal appliqué chute à partir d'une valeur située au-dessus du seuil de tension supérieur (U2) jusqu'à un seuil de tension situé au-dessous du seuil de tension supérieur (U2), une première utilisation spécifique d'un pays est détectée, et au-delà de cela, à l'aide du filament spiralé, un état installé de la lampe est détecté, et lorsque la lampe est installée, un premier mode de fonctionnement spécifique d'un pays est lancé, ou
    b2) si la valeur de tension du signal à appliquer est située au-dessous du seuil de tension inférieur (U1), une seconde utilisation spécifique d'un pays est détectée et un second mode de fonctionnement spécifique d'un pays est lancé.
EP06015628A 2005-07-28 2006-07-26 Circuit électronique pour commander un ballast électronique Not-in-force EP1748686B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202005011887U DE202005011887U1 (de) 2005-07-28 2005-07-28 Elektronische Schaltungsanordnung zur Steuerung eines elektronischen Vorschaltgeräts

Publications (3)

Publication Number Publication Date
EP1748686A2 EP1748686A2 (fr) 2007-01-31
EP1748686A3 EP1748686A3 (fr) 2011-05-11
EP1748686B1 true EP1748686B1 (fr) 2012-08-29

Family

ID=35140511

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06015628A Not-in-force EP1748686B1 (fr) 2005-07-28 2006-07-26 Circuit électronique pour commander un ballast électronique

Country Status (3)

Country Link
EP (1) EP1748686B1 (fr)
DE (1) DE202005011887U1 (fr)
SA (1) SA07280408B1 (fr)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5925990A (en) * 1997-12-19 1999-07-20 Energy Savings, Inc. Microprocessor controlled electronic ballast
DE19850441A1 (de) * 1998-10-27 2000-05-11 Trilux Lenze Gmbh & Co Kg Verfahren und Vorschaltgerät zum Betrieb einer mit einer Leuchtstofflampe versehenen Leuchte
DE10013273A1 (de) * 2000-03-17 2002-01-31 Trilux Lenze Gmbh & Co Kg Elektronisches Vorschaltgerät für eine elektrische Lampe und Verfahren zur Ansteuerung desselben

Also Published As

Publication number Publication date
EP1748686A2 (fr) 2007-01-31
DE202005011887U1 (de) 2005-10-06
EP1748686A3 (fr) 2011-05-11
SA07280408B1 (ar) 2010-01-05

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