EP1748686B1 - Electronic circuit for operating an electronic ballast - Google Patents
Electronic circuit for operating an electronic ballast Download PDFInfo
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- 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
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- European Patent Office
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- country
- lamp
- circuit arrangement
- electronic circuit
- voltage
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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
- H05B41/26—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.
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- Circuit Arrangements For Discharge Lamps (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)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Description
Die vorliegende Erfindung betrifft eine elektronische Schaltungsanordnung zur Steuerung eines elektronischen Vorschaltgeräts, wobei das elektronische Vorschaltgerät zum Einstellen und Betreiben einer elektrischen Lampe mit zumindest einer Lampenwendel ausgebildet ist. Des Weiteren betrifft die Erfindung auch ein Verfahren zur Steuerung eines elektronischen Vorschaltgeräts mittels einer elektronischen Schaltungsanordnung, wobei mittels des elektronischen Vorschaltgeräts eine elektrische Lampe mit zumindest einer Lampenwendel eingestellt und betrieben wird.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.
Aus der
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Elektronische Vorschaltgeräte zum Betreiben von elektrischen Lampen, insbesondere Leuchtstofflampen, sind aus Gründen der Zulassung verschiedener Betriebsweisen beim Starten bzw. Zünden einer derartigen elektrischen Lampe länderspezifisch ausgebildet. So ist die Betriebsweise eines elektronischen Vorschaltgeräts beim Starten einer elektrischen Lampe in Europa unterschiedlich zu der in den Vereinigten Staaten. In Europa darf ein Zündimpuls nur dann generiert werden, wenn eine elektrische Lampe eingesetzt ist. Unter einem eingesetzten Zustand einer Lampe wird dabei verstanden, dass diese elektrische Lampe in der Leuchte bzw. in der Fassung ordnungsgemäß angeordnet ist. Im Allgemeinen wird dazu detektiert, ob die kalte Lampenwendel diesen eingesetzten Zustand aufweist. In überwiegendem Maße werden gegenwärtig elektronische Vorschaltgeräte mit einer Lampenwendelvorheizung eingesetzt, wobei dabei das elektronische Vorschaltgerät über vier elektrische Leitungen mit der elektrischen Lampe verbunden ist.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. Thus, the operation of an electronic ballast when starting an electric lamp in Europe is different from that in the United States. In Europe, 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. To a large extent 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.
In den Vereinigten Staaten ist eine derartige Erkennung eines eingesetzten Zustands einer Lampenwendel nicht erforderlich. Das elektronische Vorschaltgerät ist dort über zwei elektrische Leitungen mit der elektrischen Lampe, insbesondere der Leuchtstofflampe, verbunden. Die Lampenwendeln sind jeweils nur einseitig angeschlossen. Bei einem Betrieb in den Vereinigten Staaten wird somit ein sogenannter Kaltstart einer elektrischen Lampe durchgeführt. Es werden dabei im Allgemeinen mehrere Zündversuche eingeleitet, ohne dass überprüft wird, ob eine elektrische Lampe einen eingesetzten Zustand aufweist. Aufgrund dieser länderspezifischen Betriebsweisen der elektronischen Vorschaltgeräte beim Starten bzw. Zünden einer elektrischen Lampe ist es daher nicht ohne Weiteres möglich, elektronische Schaltungsanordnungen zum Steuern der elektronischen Vorschaltgeräte und damit auch zum Steuern des Startens der elektrischen Lampe für eine europäische Betriebsweise und gleichzeitig für eine amerikanische Betriebsweise heranzuziehen. Die im Allgemeinen als Steuer-Asics ausgebildeten elektronischen Schaltungsanordnungen für den europäischen Markt können deshalb nicht ohne weiteres in elektronischen Vorschaltgeräten für den amerikanischen Markt verwendet werden und umgekehrt. Gegenwärtig existieren für den amerikanischen und den europäischen Markt verschiedene elektronische Vorschaltgeräte mit unterschiedlichen Topologien. Um gegenwärtig den länderspezifischen Anforderungen gerecht werden zu können, werden Steuer-Asics hergestellt, welche für die Erfüllung der Zulassungsbedingungen in Europa ausgelegt werden und andere, die die Anforderungen nur für die Vereinigten Staaten erfüllen.In the United States, such detection of a deployed condition of a lamp filament is not required. 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. Thus, when operating in the United States, a so-called cold start of an electric lamp is performed. In general, 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. Therefore, the electronic circuit arrangements for the European market, which are generally designed as control Asics, can not be readily used in electronic ballasts for the American market and vice versa. At present, various electronic ballasts with different topologies exist for the American and European markets. Currently, to meet country-specific requirements, tax Asics are being designed to meet European approval requirements and others that meet US requirements only.
Der vorliegenden Erfindung liegt deshalb die Aufgabe zugrunde, eine elektronische Schaltungsanordnung zur Steuerung eines elektronischen Vorschaltgeräts sowie ein Verfahren zur Steuerung eines elektronischen Vorschaltgeräts zu schaffen, welche bzw. welches aufwandsarm realisiert werden kann und länderunabhängig eingesetzt werden kann.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.
Diese Aufgabe wird durch eine elektronische Schaltungsanordnung, welche die Merkmale nach Patentanspruch 1 aufweist, und ein Verfahren, welches die Merkmale nach Patentanspruch 9 aufweist, gelöst.This object is achieved by an electronic circuit arrangement which has the features according to
Eine erfmdungsgemäße elektronische Schaltungsanordnung ist zur Steuerung eines elektronischen Vorschaltgeräts derart ausgebildet, dass mittels dem elektronischen Vorschaltgerät eine elektrische Lampe mit zumindest einer Lampenwendel einstellbar und betreibbar ist. Ein wesentlicher Gedanke der Erfindung besteht darin, dass die elektronische Schaltungsanordnung einen elektrischen Anschluss-Pin aufweist, an den externe Signale anlegbar sind und die elektronische Schaltungsanordnung derart ausgebildet ist, dass aufgrund der an dem Anschluss-Pin anliegenden Signale eine länderspezifische Verwendung des elektronischen Vorschaltgeräts feststellbar und ein eingesetzter Zustand der Lampenwendel erkennbar ist. Durch die elektronische Schaltungsanordnung kann dadurch in einfacher Weise und aufwandsarm ermöglicht werden, dass das Einstellen und Betreiben einer elektrischen Lampe mittels dem elektronischen Vorschaltgerät, in dem die erfindungsgemäße elektronische Schaltungsanordnung angeordnet ist, länderunabnängig durchgeführt werden kann. Es ist lediglich ein einziger Pin der elektronischen Schaltungsanordnung erforderlich, um sowohl die länderspezifische Verwendung als auch einen Betriebszustand der Lampenwendel zu erkennen. Die elektronische Schaltungsanordnung gemäß der Erfindung ermöglicht somit eine sichere und zuverlässige Steuerung des elektronischen Vorschaltgeräts, welches somit sowohl für den Betrieb in Europa als auch in den Vereinigten Staaten herangezogen werden kann. Insbesondere ist es durch die erfindungsgemäße elektronische Schaltungsanordnung gewährleistet, dass ein sicherer und zuverlässiger Startvorgang bzw. Zündvorgang einer elektrischen Lampe durch das elektronische Vorschaltgerät sowohl in Europa als auch in den Vereinigten Staaten gewährleistet werden kann. Indem lediglich ein einziger Anschluss-Pin der elektronischen Schaltungsanordnung erforderlich ist, um zumindest zwei unterschiedliche Funktionserkennungen zu ermöglichen, kann auch eine sehr kostengünstige Realisierung der elektronischen Schaltungsanordnung bereitgestellt werden.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. As a result of the electronic circuit arrangement, this makes it possible in a simple manner and with little effort that the setting and operation of an electric lamp can be carried out in a country-independent manner by means of the electronic ballast in which the electronic circuit arrangement according to the invention is arranged. It is only a single pin of the electronic circuitry required to recognize both the country-specific use and an operating state of the lamp filament. 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. In particular, it is ensured by the electronic circuit arrangement according to the invention that 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. By requiring only a single connection pin of the electronic circuit arrangement in order to enable at least two different function identifications, a very cost-effective implementation of the electronic circuit arrangement can also be provided.
In vorteilhafter Weise ist eine durch die elektronische Schaltungsanordnung einzuleitende Zündsequenz der elektrischen Lampe abhängig von der erkannten länderspezifischen Verwendung. Dadurch kann in sicherer Weise erreicht werden, dass abhängig vom jeweiligen länderabbängigen Betrieb auch ein sicherer und korrekter Startvorgang bzw. Zündvorgang der elektrischen Lampe durchgeführt werden kann.In an advantageous manner, 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.
Die elektronische Schaltungsanordnung ist bevorzugt derart ausgebildet, dass die länderspezifische Verwendung des elektronischen Vorschaltgeräts und ein eingesetzter Zustand der Lampenwendel mittels einem Eingangsspannungssignal an dem Anschluss-Pin erkennbar sind. Bevorzugt ist es dabei, dass eine erste länderspezifische Verwendung durch ein Eingangsspannungssignal mit einem Spannungswert oberhalb einem ersten Spannungsschwellwert charakterisiert ist. Die Zuordnung, in welchem Land das Einstellen und Betreiben einer elektrischen Lampe mittels einem elektronischen Vorschaltgerät, welches die erfindungsgemäße elektronische Schaltungsanordnung aufweist, erfolgt, kann somit als grundlegende Voraussetzung schnell erfasst werden und nachfolgende Betriebsbedingungen anhand dieser erkannten länderspezifischen Verwendung eingestellt werden.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.
In bevorzugter Weise wird nach dem Erkennen der länderspezifischen Verwendung ein eingesetzter Zustand der Lampenwendel durch ein Absinken des Spannungswerts des Eingangsspannungssignals unterhalb des ersten Spannungsschwellwerts charakterisiert. Nach einem Erkennen der länderspezifischen Verwendung kann in Abhängigkeit des Eingangsspannungssignals mit einem Spannungswert oberhalb diesem ersten Spannungsschwellwert durch diesen hohen Spannungswert des Weiteren erkannt werden, dass dann, wenn dieser Spannungswert des Eingangsspannungssignals über dem Spannungsschwellwert bleibt, die Lampenwendel einen nicht-eingesetzten Zustand aufweist und somit die elektrische Lampe nicht oder nicht korrekt in der Leuchte bzw. in der Fassung, in die die elektrische Lampe einzusetzen ist, angeordnet ist.Preferably, after recognizing the 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. After recognizing the country-specific use, depending on the input voltage signal having a voltage value above this first voltage threshold, 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.
Erfolgt jedoch ein Absinken des Spannungswertes des Eingangsspannungssignals unterhalb des ersten Spannungsschwellwerts, so wird dadurch in sicherer Weise erkannt, dass die Lampenwendel den eingesetzten Zustand aufweist und damit auch die elektrische Lampe korrekt in der Fassung bzw. der elektrischen Leuchte positioniert ist.However, if 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.
In einer vorteilhaften Ausführung ist der Anschluss-Pin mit einer internen Stromquelle der elektrischen Schaltungsanordnung verbunden.In an advantageous embodiment, the connection pin is connected to an internal current source of the electrical circuit arrangement.
Bei einer ersten länderspezifischen Verwendung ist der Anschluss-Pin in vorteilhafter Weise über einen Widerstand mit einem ersten Ende der Lampenwendel elektrisch verbunden. Ist das zweite Ende der Lampenwendel mit Massepotential verbunden, so kann durch diese Ausgestaltung der ersten länderspezifischen Verwendung ein Stromfluss erzeugt werden, und der-Spannungswert des Eingangsspannungssignals sinkt unter den ersten Schwellwert, wenn die Lampe den eingesetzten Zustand aufweist. Ein sicheres und zuverlässiges Erkennen eines eingesetzten oder eines nicht-eingesetzten Zustands der Lampenwendel wird dadurch ermöglicht. Die oben erläuterte erste länderspezifische Verwendung ist bevorzugt für Europa konzipiert.In 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.
Eine zweite länderspezifische Verwendung ist in vorteilhafter Weise durch ein Eingangsspannungssignal mit einem Spannungswert unterhalb einem zweiten Spannungsschwellwert charakterisiert. Bevorzugt ist bei der zweiten länderspezifischen Verwendung der Anschluss-Pin mit Massepotential verbunden. Die Lampenwendel der elektrischen Lampe ist dabei ebenfalls mit einem Ende dieser Lampenwendel mit Massepotential verbunden. Eine derartige zweite länderspezifische Konzeptionierung ist bevorzugt für die Verwendung in den Vereinigten Staaten ausgelegt.A second country-specific use is advantageously characterized by an input voltage signal having a voltage value below a second voltage threshold. In the case of the second country-specific use, 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.
Die elektronische Schaltungsanordnung ist in vorteilhafter Weise als integrierte Schaltung, insbesondere als Steuer-Asic ausgebildet und in dem elektronischen Vorschaltgerät angeordnet. Die Ausgestaltung der elektronischen Schaltungsanordnung als integrierte Schaltung mit zwei Funktionen (Lampenwendelerkennung, Erkennung der länderspezifischen Betriebsart) mit nur einem Anschluss-Pin kann in kostengünstiger Weise realisiert werden. Es kann ein Gehäuse für eine integrierte Schaltung mit einer minimierten Pin-Zahl geschaffen werden.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.
Bei einem erfindungsgemäßen Verfahren zur Steuerung eines elektronischen Vorschaltgeräts mittels einer elektronischen Schaltungsanordnung, wobei mittels des elektronischen Vorschaltgeräts eine elektrische Lampe mit zumindest einer Lampenwendel eingestellt und betrieben wird, wird an einen elektrischen Anschluss-Pin der elektronischen Schaltungsanordnung zumindest ein Signal angelegt und die elektronische Schaltungsanordnung derart ausgebildet, dass aufgrund des an dem Anschluss-Pin anliegenden Signals eine länderspezifische Verwendung des elektronischen Vorschaltgeräts festgestellt wird und ein eingesetzter Zustand der Lampenwendel erkannt wird. Durch das erfindungsgemäße Verfahren kann eine sichere und zuverlässige Betriebsweise einer elektrischen Lampe, insbesondere beim Start bzw. beim Zünden der elektrischen Lampe, auch dann erreicht werden, wenn länderabhängige individuelle Betriebsweisen der elektrischen Lampe erforderlich sind. Das elektronische Vorschaltgerät wird durch das erfindungsgemäße Verfahren mittels der elektronischen Schaltungsanordnung derart gesteuert, dass ein Einsatz länderunabhängig erfolgen kann. Eine Konzeptionierung von unterschiedlichen elektronischen Schaltungsanordnungen, insbesondere Steuer-Asics, für die Verwendung in unterschiedlichen Ländern ist somit durch die Erfindung nicht mehr erforderlich.In 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.
Vorteilhafte Ausgestaltungen der Erfindung sind in den Unteransprüchen angegeben.Advantageous embodiments of the invention are specified in the subclaims.
Darüber hinaus sind vorteilhafte Ausgestaltungen der elektronischen Schaltungsanordnung auch als vorteilhafte Ausgestaltungen des erfindungsgemäßen Verfahrens anzusehen, soweit dies übertragbar ist.In addition, 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.
Im Nachfolgenden wird die Erfindung anhand schematischer Zeichnungen näher erläutert. Es zeigen:
Figur 1- eine erfindungsgemäße elektronische Schaltungsanordnung gemäß einer ersten länderspezifischen Ausgestaltung;
Figur 2- einen Verlauf des Eingangsspannungssignals am Anschluss-Pin der elektronischen Schaltungsanordnung gemäß der Ausgestaltung in
;Figur 1 Figur 3- einen Verlauf der elektrischen Spannung einer elektrischen Lampe bei einer ersten länderspezifischen Verwendung der elektronischen Schaltungsanordnung;
Figur 4- eine erfindungsgemäße elektronische Schaltungsanordnung gemäß einer zweiten länderspezifischen Ausgestaltung;
- Figur 5
- einen Verlauf des Eingangsspannungssignals am Anschluss-Pin der elektronischen Schaltungsanordnung gemäß
Figur 4 ; - Figur 6
- einen Verlauf der elektrischen Spannung an der elektrischen Lampe bei einer zweiten länderspezifischen Verwendung; und
- Figur 7
- eine Darstellung der Spannungsbereiche, in denen die Eingangsspannungssignale am Anschluss-Pin der elektronischen Schaltungsanordnung liegen.
- FIG. 1
- an inventive electronic circuit arrangement according to a first country-specific embodiment;
- FIG. 2
- a profile of the input voltage signal at the terminal pin of the electronic circuit arrangement according to the embodiment in
FIG. 1 ; - FIG. 3
- a profile of the electrical voltage of an electric lamp in a first country-specific use of the electronic circuit arrangement;
- FIG. 4
- an inventive electronic circuit arrangement according to a second country-specific embodiment;
- FIG. 5
- a profile of the input voltage signal at the terminal pin of the electronic circuit according to
FIG. 4 ; - FIG. 6
- a profile of the electrical voltage on the electric lamp in a second country-specific use; and
- FIG. 7
- a representation of the voltage ranges in which the input voltage signals are at the terminal pin of the electronic circuit arrangement.
In den Figuren werden gleiche oder funktionsgleiche Elemente mit gleichen Bezugszeichen versehen.In the figures, identical or functionally identical elements are provided with the same reference numerals.
In
Durch den einen Anschluss-Pin 11 des Steuer-Asics 1 ist es möglich, dass aufgrund der an diesem Anschluss-Pin 11 anliegenden Eingangsspannungssignale eine länderspezifische Verwendung des elektronischen Vorschaltgeräts feststellbar ist und ein eingesetzter Zustand der Lampenwendel 21 erkennbar ist.Due to the one
Im Ausführungsbeispiel gemäß
Anhand des Eingangsspannungssignals am Anschluss-Pin 11 kann im in
Falls die Lampenwendel 21 einen eingesetzten Zustand aufweist, fließt ein Strom über die Lampenwendel 21 und die Spannung, welche am Anschluss-Pin 11 anliegt, sinkt von dem maximalen Spannungswert Umax, welcher über dem ersten Spannungsschwellwert liegt, auf einen Spannungswert, welcher niedriger als dieser erste Spannungsschwellwert ist, ab. Das Absinken erfolgt im Ausführungsbeispiel innerhalb einer Zeitdauer t2 - t1. Durch den Steuer-Asic 1 wird somit erkannt, dass eine länderspezifische Verwendung in Europa vorliegt und darüber hinaus ein eingesetzter Zustand der Lampenwendel 21 gegeben ist. Wie in Verbindung mit
In
Wie in schematischer Weise in
In
Der Spannungsschwellwert, welcher sich bei der Ausgestaltung gemäß
Eine weitere Ausführung kann dadurch vorgesehen sein, dass über einen Gleichspannungswert, welcher an dem Anschluss-Pin 11 angelegt wird, weitere Betriebsmodi eingestellt werden können. Beispielsweise kann dadurch ein Bereich definiert werden, in dem die integrierte Ansteuerung für einen PFC (Power Factor Controller)-Boost deaktiviert werden kann.A further embodiment can be provided in that further operating modes can be set via a DC voltage value which is applied to the
Eine weitere Ausführung kann dadurch vorgesehen sein, dass für elektronische Vorschaltgeräte mit einer Erkennung einer Lampenwendel über die Wahl des Widerstands 3 (
Wesentlicher Gegenstand der Erfindung ist die elektronische Schaltungsanordnung sowie das erfindungsgemäße Verfahren, wobei die elektronische Schaltungsanordnung insbesondere als Steuer-Asic ausgebildet sein kann, welche bzw. welches sowohl die Anforderungen für die Vereinigten Staaten als auch für Europa erfüllt.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.
Ein einziger Anschluss-Pin der elektronischen Schaltungsanordnung ermöglicht die Erkennung, ob das elektronische Vorschaltgerät, in dem die elektronische Schaltungsanordnung angeordnet ist, in den Vereinigten Staaten oder in Europa verwendet wird, wobei gleichzeitig auch ein Positionszustand in einer Lampenwendel der elektrischen Lampe erkannt wird. Abhängig von dem erkannten geografischen Einsatzgebiet leitet die elektronische Schaltungsanordnung eine entsprechende zugehörige Zündsequenz der elektrischen Lampe ein.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.
Claims (9)
- Electronic circuit arrangement for controlling an electronic ballast, the electronic ballast being designed for adjusting and operating an electric lamp (2) with at least one lamp filament (21), characterized by an electrical connection pin (11) to which signals can be applied, the electronic circuit arrangement (1) being designed to compare the signal present at the connection pin (11) with voltage threshold values (U1, U2), and- when the voltage value of the signal to be applied decreases from a voltage value above the higher voltage threshold value (U2) down to a voltage threshold value below the higher voltage threshold value (U2), a first country-specific use is identified, and furthermore, an inserted state of the lamp is identified on the basis of the lamp filament, with a first country-specific operating mode being started when the lamp is inserted, or- when the voltage value of the signal to be applied is below the lower voltage threshold value (U1), a second country-specific use is identified, and a second country-specific operating mode is started.
- Electronic circuit arrangement according to Claim 1, characterized in that a starting sequence for the electric lamp (2) which is to be introduced by the electronic circuit arrangement (1) is dependent on the identified country-specific use.
- Electronic circuit arrangement according to Claim 1 or 2, which is designed in such a way that the country-specific use and an inserted state of the lamp filament (21) are identifiable by means of an input voltage signal at the connection pin (11).
- Electronic circuit arrangement according to Claim 3, characterized in that an inserted state of the lamp filament (21) is characterized by a decrease in voltage value of the input voltage signal below the first voltage value (U2).
- Electronic circuit arrangement according to one of the preceding claims, characterized in that the connection pin (11) is connected to an internal current source.
- Electronic circuit arrangement according to one of the preceding claims, characterized in that, in the event of the first country-specific use, the connection pin (11) is electrically connected via a resistor (3) to a first end (21a) of the lamp filament (21).
- Electronic circuit arrangement according to one of the preceding claims, characterized in that, in the event of the second country-specific use, the connection pin (11) is connected to earth potential.
- Electronic circuit arrangement according to one of the preceding claims, which is in the form of an integrated circuit, in particular a control ASIC (1).
- Method for controlling an electronic ballast, which is designed to adjust and operate an electric lamp (2) with at least one lamp filament (21), the electronic ballast having an electrical connection pin (11) for the application of signals, characterized by the following steps:a) comparing the signal present at the connection pin (11) with voltage threshold values (U1, U2), whereinb1) when the voltage value of the applied signal decreases from a voltage value above the higher voltage threshold value (U2) down to a voltage threshold value below the higher voltage threshold value (U2), a first country-specific use is identified, and furthermore an inserted state of the lamp is identified on the basis of the lamp filament, a first country-specific operating mode being started when the lamp is inserted, orb2) when the voltage value of the signal to be applied is below the lower voltage threshold value (U1), a second country-specific use is identified, and a second country-specific operating mode is started.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE202005011887U DE202005011887U1 (en) | 2005-07-28 | 2005-07-28 | Electronic circuit arrangement for controlling electronic ballast e.g. of fluorescent lamp, has electronic circuit designed for country-specific application of ballast |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1748686A2 EP1748686A2 (en) | 2007-01-31 |
EP1748686A3 EP1748686A3 (en) | 2011-05-11 |
EP1748686B1 true EP1748686B1 (en) | 2012-08-29 |
Family
ID=35140511
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06015628A Not-in-force EP1748686B1 (en) | 2005-07-28 | 2006-07-26 | Electronic circuit for operating an electronic ballast |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1748686B1 (en) |
DE (1) | DE202005011887U1 (en) |
SA (1) | SA07280408B1 (en) |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5925990A (en) * | 1997-12-19 | 1999-07-20 | Energy Savings, Inc. | Microprocessor controlled electronic ballast |
DE19850441A1 (en) * | 1998-10-27 | 2000-05-11 | Trilux Lenze Gmbh & Co Kg | Method and ballast for operating a lamp provided with a fluorescent lamp |
DE10013273A1 (en) * | 2000-03-17 | 2002-01-31 | Trilux Lenze Gmbh & Co Kg | Electronic adapter for electric lamp has circuit board with controller for adapter, input pin(s) accessible by controller for at least two input values for at least two different circuit board modes |
-
2005
- 2005-07-28 DE DE202005011887U patent/DE202005011887U1/en not_active Expired - Lifetime
-
2006
- 2006-07-26 EP EP06015628A patent/EP1748686B1/en not_active Not-in-force
-
2007
- 2007-07-28 SA SA7280408A patent/SA07280408B1/en unknown
Also Published As
Publication number | Publication date |
---|---|
DE202005011887U1 (en) | 2005-10-06 |
EP1748686A3 (en) | 2011-05-11 |
EP1748686A2 (en) | 2007-01-31 |
SA07280408B1 (en) | 2010-01-05 |
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