EP1492391A1 - Adressing ballasts using a sensor input port - Google Patents

Adressing ballasts using a sensor input port Download PDF

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Publication number
EP1492391A1
EP1492391A1 EP04012593A EP04012593A EP1492391A1 EP 1492391 A1 EP1492391 A1 EP 1492391A1 EP 04012593 A EP04012593 A EP 04012593A EP 04012593 A EP04012593 A EP 04012593A EP 1492391 A1 EP1492391 A1 EP 1492391A1
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EP
European Patent Office
Prior art keywords
light sensor
operating device
ecg
address
resistor
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Granted
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EP04012593A
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German (de)
French (fr)
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EP1492391B1 (en
Inventor
Reinhold Juen
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Tridonic GmbH and Co KG
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Tridonicatco GmbH and Co KG
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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
    • 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
    • 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
    • H05B47/17—Operational modes, e.g. switching from manual to automatic mode or prohibiting specific operations

Definitions

  • the present invention relates to an operating device for lamps, which can be addressed in a simple manner.
  • the invention further relates to the use of a light sensor connector of an operating device for lamps for address coding, to a lighting device with such an operating device and to methods for address coding of a control gear for lamps.
  • This ballast ECG has a connected light sensor 20.
  • An actual brightness value of a monitored area supplied by this light sensor 20 is fed via inputs 18a, 18b of the ballast EVG to a control device 12 of the ballast EVG.
  • the control device 12 can dim a lamp (not shown in FIG. 2) which is used to illuminate, for example, a workstation provided in the monitored space.
  • the control device 12 may be formed by a microprocessor, for example. Since the microprocessor operates digitally, the signal typically represented by the light sensor 20 is converted into a digital signal.
  • the electronic ballast includes an ECG upstream of the control device 12 analog-to-digital converter circuit, according to this prior art, two resistors 13 and 14 and a capacitor 15 has.
  • the light sensor 20 can, as stated, be connected to two terminals 18a and 18b of the electronic ballast.
  • a resistor 13 is connected between the first terminal 18a and a first input 16a of the control device 12.
  • the other resistor 14 is connected between the second terminal 18b and a second input 16b of the control device 12, wherein the capacitor 15 is connected to the connection point between the resistor 14 and the second terminal 18b and to ground.
  • the electronic ballast known from this state of the art furthermore has an interface which can be designed, for example, as a serial interface and by means of which the control device 12 of the ballast EVG can be supplied with control information, for example from a bus, etc.
  • the control device 12 has inputs 17a and 17b, which are connected to terminals 19a and 19b of the electronic ballast EVG, which in turn are provided externally for receiving external control information I.
  • the known ballast EVG has a light sensor interface for connecting a light sensor 20, wherein this light sensor is usually designed in the form of a photosensitive resistor (LDR).
  • LDR photosensitive resistor
  • the object of the present invention is now to make such a control gear for lamps in a simple manner addressable.
  • the central idea for solving this problem according to the present invention is the light sensor interface to use for address coding, so that the operating device is addressed addressable, for example via a bus. A larger conversion of the operating device is therefore not necessary.
  • an operating device for lamps in particular an electronic ballast for gas discharge lamps is provided, which, as is known from the prior art, has an input for connecting a light sensor.
  • a resistor is connected to the light sensor interface for address coding, wherein the resistance value at the light sensor interface reproduces an address coding value.
  • a controller in the driver may be configured to interpret a time-invariant resistance at the light sensor interface (i.e., between the two light sensor terminals) as the address encoding value.
  • the control unit can be designed to cause a change in brightness of a lamp connected to the operating device. If the brightness change (dimming) of the connected lamp results in a change in the resistance value at the light sensor interface, it is assumed that a light sensor is connected. In the opposite case, ie if there is no change in resistance when dimming the connected lamp, it becomes concluded that the resistance value at the light sensor interface should be used as an address coding value.
  • a switch can also be provided on the operating device, by the actuation of which the operating device can be put on the one hand into the first mode, in which any resistance value at the light sensor interface is interpreted as a light sensor signal. Conversely, in the other position of the switch, the operating device is placed in a mode in which the control unit in the operating device interprets any resistance value present at the light sensor interface as an address coding value.
  • a lighting system is provided with a central unit and at least one operating device of the type mentioned, wherein the central unit can addressably address the operating device via a bus line or a bus line pair.
  • a light sensor connection (light sensor interface) of a control gear for lamps, in particular an electronic ballast for gas discharge lamps, for addressing the operating device is provided in that an external resistor is applied to the light sensor terminal ,
  • the present invention also relates to a method for address coding of an operating device for lamps, in particular of an electronic ballast for gas discharge lamps, wherein the operating device has an input for connecting a light sensor.
  • an address coding of the operating device through Insertion of a resistor of a predetermined value to the light sensor input performed.
  • the invention also relates to a method for address coding of a control gear for lamps, wherein a control unit in the operating device uses any, in particular any time-invariant resistance value at the light sensor input as an address coding value.
  • an operating device for one or more lamps in particular an electronic ballast ECG for gas discharge lamps 6, is provided.
  • This ballast ECG has a sensor interface consisting of two terminals 18a, 18b, to which an external resistor 4 with a defined resistance R1 can be connected.
  • the interface consisting of the terminals 18a, 18b remain unoccupied, which is detected by the control unit 12 in the ballast EVG as applying an infinitely high resistance to the light sensor interface 18a, 18b.
  • a set of resistors 4 ', 4 may be provided with different resistance values R 2 ⁇ R 3 ⁇ R 1, which each have connection pieces which are designed for insertion into the sensor interface.
  • the logical address may be applied, which assign the control unit 12 and the central unit 1 to the respective resistance value.
  • the logical address (operating address) can also be a color coding value or a group number, etc.
  • FIG. 1 the components shown in FIG. 1 are also optionally provided for the A / D conversion of a signal present at the interface 18a, 18b, more precisely the resistors 13, 14 and the capacitor 15.
  • the ballast ECG has an external interface 18a, 18b connected to the control unit 12, wherein an ohmic resistor can be connected between the terminals 18a, 18b of the interface.
  • the external interface can also be used for signals other than signals from a light sensor.
  • the ballast EVG has an external bus interface with terminals 19a, 19b, to which bus lines 2, 3 can be connected, which lead to a central control unit 1. It should be noted that instead of the bus line pair 19a, 19b, a single bus line can be provided and in this case, only one connection is sufficient as a bus interface.
  • the operating device ECG can also have a manually operable switch 5.
  • the switch 5 interprets the control unit 12 in the ballast EVG any resistance at the light sensor interface 18a, 18b as a light sensor signal.
  • the control unit 12 interprets any resistance value at the light sensor interface 18a, 18b as the address encoding value.
  • control unit 12 can only interpret a non-changing and / or finite ohmic resistance at the light sensor interface 18a, 18b as an address coding value.
  • the control unit 12 compares the resistance value at the light sensor interface 18a, 18b and, for example, a table stored in the control unit 12 (the determined resistance values or resistance value ranges, respectively) assigns an address), whether the belonging to the addressing command to the present operating device EVG is addressed.
  • a light sensor interface is used only for connection of a light sensor in the form of a photosensitive resistor (LDR)
  • LDR photosensitive resistor
  • a resistor with a fixed value can be connected to the sensor interface Control unit 12 each resistance value assigns a fixed address value.
  • the control unit 12 can automatically detect without manual operation of a switch 5, if a resistor 4 is used for address coding. First, the control unit 12 determines whether there is a finite resistance value at the sensor interface 18a, 18b. Thereafter, the control unit 12 causes Dimming a connected lamp 6 to a different brightness value and simultaneously checks whether the resistance value at the light sensor interface 18a, 18b changes. When this resistance value changes, the control unit 12 concludes that a photosensitive resistor is connected to the light sensor interface 18, 18b and the operating device ECG changes to the light sensor mode. On the other hand, if the resistance value does not change during dimming, the control unit 12 closes to a fixed resistor used for address coding and assigns itself an address value corresponding to this resistance value. At the same time, the electronic ballast changes to address mode.
  • the address coding can be used to assign each operating device ECG a "color”. With a specific address, the central unit 1 thus responds to each luminaire of the same color.
  • RGB (+ Weiss) system only four addresses are necessary, which can be realized with three (if the resistance value "infinite” is used) or four discrete resistance values.
  • operating devices connected to a central unit 1 can be subdivided into four or more groups in order to realize a cost-effective group control.

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  • Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Circuit Arrangements For Discharge Lamps (AREA)

Abstract

Operating unit for lights, especially an electronic ballast unit (EVG) for a gas discharge bulb or tube, has an input (18a, 18b) for connection to a light sensor. The light sensor connection incorporates a resistance (4) for address coding of the ballast unit. A control unit (12) in the ballast unit is designed to interpret a temporally invariable resistance value in the light sensor connection as an address code. The invention also relates to a corresponding lighting system with a central control unit and at least one inventive electronic ballast unit and use of a light sensor connection with an electronic ballast unit. An independent claim is made for a method for address coding of an operating unit for gas discharge bulbs.

Description

Die vorliegende Erfindung bezieht sich auf ein Betriebsgerät für Lampen, das in einfacher Weise adressiert werden kann. Die Erfindung bezieht sich weiterhin auf die Verwendung eines Lichtsensor-Anschlusses eines Betriebsgerätes für Lampen zur Adresskodierung, auf ein Beleuchtungsgerät mit einem derartigen Betriebsgerät sowie auf Verfahren zur Adresskodierung eines Betriebsgeräts für Lampen.The present invention relates to an operating device for lamps, which can be addressed in a simple manner. The invention further relates to the use of a light sensor connector of an operating device for lamps for address coding, to a lighting device with such an operating device and to methods for address coding of a control gear for lamps.

Aus der WO 98/39951 ist ein elektronisches Vorschaltgerät gemäß der in der Anlage beigefügten Figur 2 bekannt. Dieses Vorschaltgerät EVG weist einen angeschlossenen Lichtsensor 20 auf. Ein von diesem Lichtsensor 20 gelieferter Helligkeits-Istwert eines überwachten Bereichs wird über Eingänge 18a, 18b des Vorschaltgeräts EVG einer Steuervorrichtung 12 des Vorschaltgeräts EVG zugeführt. Somit kann die Steuervorrichtung 12 abhängig von dem zugeführten Helligkeits-Istwert eine zur Beleuchtung beispielsweise eines Arbeitsplatzes, der in dem überwachten Raum vorgesehen ist, dienende Lampe ( in Fig.2 nicht dargestellt) dimmen. Die Steuervorrichtung 12 kann beispielsweise durch einen Mikroprozessor gebildet sein. Da der Mikroprozessor digital arbeitet, wird das von dem Lichtsensor 20 üblicherweise analog dargestellte Signal in ein digitales Signal umgewandelt. Dazu enthält das elektronische Vorschaltgerät EVG eine der Steuervorrichtung 12 vorgeschaltete Analog-Digitalwandler-Schaltung, die gemäß diesem Stand der Technik zwei Widerstände 13 und 14 sowie einen Kondensator 15 aufweist.From WO 98/39951 an electronic ballast according to the attached in the appendix 2 is known. This ballast ECG has a connected light sensor 20. An actual brightness value of a monitored area supplied by this light sensor 20 is fed via inputs 18a, 18b of the ballast EVG to a control device 12 of the ballast EVG. Thus, depending on the actual brightness value supplied, the control device 12 can dim a lamp (not shown in FIG. 2) which is used to illuminate, for example, a workstation provided in the monitored space. The control device 12 may be formed by a microprocessor, for example. Since the microprocessor operates digitally, the signal typically represented by the light sensor 20 is converted into a digital signal. For this purpose, the electronic ballast includes an ECG upstream of the control device 12 analog-to-digital converter circuit, according to this prior art, two resistors 13 and 14 and a capacitor 15 has.

Der Lichtsensor 20 kann wie gesagt an zwei Anschlüssen 18a und 18b des elektronischen Vorschaltgeräts angeschlossen werden. Ein Widerstand 13 ist dabei zwischen dem ersten Anschluss 18a und einem ersten Eingang 16a der Steuervorrichtung 12 geschaltet. Der andere Widerstand 14 ist zwischen dem zweiten Anschluss 18b und einem zweiten Eingang 16b der Steuervorrichtung 12 geschaltet, wobei der Kondensator 15 an den Verbindungspunkt zwischen dem Widerstand 14 und dem zweiten Anschluss 18b sowie an Masse angeschlossen ist.The light sensor 20 can, as stated, be connected to two terminals 18a and 18b of the electronic ballast. A resistor 13 is connected between the first terminal 18a and a first input 16a of the control device 12. The other resistor 14 is connected between the second terminal 18b and a second input 16b of the control device 12, wherein the capacitor 15 is connected to the connection point between the resistor 14 and the second terminal 18b and to ground.

Das aus diesem Stand der Technik bekannte EVG weist weiterhin eine Schnittstelle auf, die beispielsweise als serielle Schnittstelle ausgeführt sein kann und mittels der der Steuervorrichtung 12 des Vorschaltgeräts EVG eine Steuerinformation beispielsweise von einem Bus etc. zugeführt werden kann. Zu diesem Zweck besitzt die Steuervorrichtung 12 Eingänge 17a und 17b, die mit Anschlüssen 19a und 19b des elektronischen Vorschaltgeräts EVG verbunden sind, die wiederum zum Empfang von externen Steuerinformationen Iextern vorgesehen sind.The electronic ballast known from this state of the art furthermore has an interface which can be designed, for example, as a serial interface and by means of which the control device 12 of the ballast EVG can be supplied with control information, for example from a bus, etc. For this purpose, the control device 12 has inputs 17a and 17b, which are connected to terminals 19a and 19b of the electronic ballast EVG, which in turn are provided externally for receiving external control information I.

Festzuhalten bleibt also, dass das bekannte Vorschaltgerät EVG eine Lichtsensor-Schnittstelle zum Anschluss eines Lichtsensors 20 aufweist, wobei dieser Lichtsensor üblicherweise in Form eines lichtempfindlichen Widerstands (LDR) ausgeführt ist.It should therefore be noted that the known ballast EVG has a light sensor interface for connecting a light sensor 20, wherein this light sensor is usually designed in the form of a photosensitive resistor (LDR).

Aufgabe der vorliegenden Erfindung ist es nunmehr, ein derartiges Betriebsgerät für Lampen in einfacher Weise adressierbar zu machen.The object of the present invention is now to make such a control gear for lamps in a simple manner addressable.

Zentraler Gedanke zur Lösung dieses Problems gemäß der vorliegenden Erfindung ist es dabei, die Lichtsensor-Schnittstelle zur Adress-Codierung zu nutzen, so dass das Betriebsgerät beispielsweise über einen Bus adressierbar ansprechbar ist. Eine grössere Umrüstung des Betriebsgeräts ist somit nicht notwendig.The central idea for solving this problem according to the present invention is the light sensor interface to use for address coding, so that the operating device is addressed addressable, for example via a bus. A larger conversion of the operating device is therefore not necessary.

Genauer gesagt wird die Aufgabe durch die Merkmale der unabhängigen Ansprüche gelöst. Die abhängigen Ansprüche bilden den zentralen Gedanken der Erfindung in besonders vorteilhafter Weise weiter.More specifically, the object is solved by the features of the independent claims. The dependent claims further form the central idea of the invention in a particularly advantageous manner.

Erfindungsgemäß ist also ein Betriebsgerät für Lampen, insbesondere ein elektronisches Vorschaltgerät für Gasentladungslampen vorgesehen, das wie aus dem Stand der Technik bekannt einen Eingang zum Anschluss eines Lichtsensors aufweist. Gemäß der Erfindung wird an der Lichtsensor-Schnittstelle zur Adress-Codierung ein Widerstand angeschlossen, wobei der Widerstandswert an der Lichtsensor-Schnittstelle einen Adress-Kodierwert wiedergibt.According to the invention, therefore, an operating device for lamps, in particular an electronic ballast for gas discharge lamps is provided, which, as is known from the prior art, has an input for connecting a light sensor. According to the invention, a resistor is connected to the light sensor interface for address coding, wherein the resistance value at the light sensor interface reproduces an address coding value.

Genauer gesagt kann eine Steuereinheit in dem Betriebsgerät dazu ausgelegt sein, einen zeitlich sich nicht verändernden Widerstandswert an der Lichtsensor-Schnittstelle (d.h. zwischen den beiden Lichtsensor-Anschlüssen) als Adress-Kodierwert zu interpretieren.More specifically, a controller in the driver may be configured to interpret a time-invariant resistance at the light sensor interface (i.e., between the two light sensor terminals) as the address encoding value.

Zur Feststellung, ob an dem Lichtsensor-Anschluss ein zeitlich sich nicht verändernder Widerstand anliegt, kann die Steuereinheit dazu ausgelegt sein, eine Helligkeitsänderung einer an dem Betriebsgerät angeschlossenen Lampe zu veranlassen. Falls sich bei der Helligkeitsänderung (Dimmen) der angeschlossenen Lampe eine Veränderung des Widerstandswerts an der Lichtsensor-Schnittstelle ergibt, wird davon ausgegangen, dass ein Lichtsensor angeschlossen ist. Im umgekehrten Fall, d.h. wenn sich bei einem Dimmen der angeschlossenen Lampe keine Widerstandswert-Veränderung ergibt, wird daraus geschlossen, dass der Widerstandswert an der Lichtsensor-Schnittstelle als Adresskodierwert verwendet werden soll.In order to determine whether a time-invariant resistance is applied to the light sensor connection, the control unit can be designed to cause a change in brightness of a lamp connected to the operating device. If the brightness change (dimming) of the connected lamp results in a change in the resistance value at the light sensor interface, it is assumed that a light sensor is connected. In the opposite case, ie if there is no change in resistance when dimming the connected lamp, it becomes concluded that the resistance value at the light sensor interface should be used as an address coding value.

Alternativ oder zusätzlich kann auch am Betriebsgerät ein Schalter vorgesehen sein, durch dessen Betätigung das Betriebsgerät einerseits in den ersten Modus versetzt werden kann, in dem jeglicher Widerstandswert an der Lichtsensor-Schnittstelle als Lichtsensor-Signal interpretiert wird. Umgekehrt wird bei der anderen Stellung des Schalters das Betriebsgerät in einen Modus versetzt, in dem die Steuereinheit in dem Betriebsgerät jeglichen an der Lichtsensor-Schnittstelle anliegenden Widerstandswert als Adress-Kodierwert interpretiert.Alternatively or additionally, a switch can also be provided on the operating device, by the actuation of which the operating device can be put on the one hand into the first mode, in which any resistance value at the light sensor interface is interpreted as a light sensor signal. Conversely, in the other position of the switch, the operating device is placed in a mode in which the control unit in the operating device interprets any resistance value present at the light sensor interface as an address coding value.

Gemäß einem weiteren Aspekt der vorliegenden Erfindung ist ein Beleuchtungssystem mit einer Zentraleinheit und wenigstens einem Betriebsgerät der genannten Art vorgesehen, wobei die Zentraleinheit das Betriebsgerät über eine Busleitung bzw. einem Busleitungspaar adressierbar ansprechen kann.According to a further aspect of the present invention, a lighting system is provided with a central unit and at least one operating device of the type mentioned, wherein the central unit can addressably address the operating device via a bus line or a bus line pair.

Gemäß einem noch weiteren Aspekt der vorliegenden Erfindung ist die Verwendung eines Lichtsensor-Anschlusses (Lichtsensor-Schnittstelle) eines Betriebsgeräts für Lampen, insbesondere eines elektronischen Vorschaltgeräts für Gasentladungslampen, zur Adressierung des Betriebsgeräts dadurch vorgesehen, dass an dem Lichtsensor-Anschluss ein externer Widerstand angelegt wird.According to yet another aspect of the present invention, the use of a light sensor connection (light sensor interface) of a control gear for lamps, in particular an electronic ballast for gas discharge lamps, for addressing the operating device is provided in that an external resistor is applied to the light sensor terminal ,

Schließlich betrifft die vorliegende Erfindung auch ein Verfahren zur Adress-Codierung eines Betriebsgeräts für Lampen, insbesondere eines elektronischen Vorschaltgeräts für Gasentladungslampen, wobei das Betriebsgerät einen Eingang zum Anschluss eines Lichtsensors aufweist. Dabei wird eine Adresskodierung des Betriebsgeräts durch Einsetzen eines Widerstands eines vorbestimmten Werts an den Lichtsensor-Eingang durchgeführt.Finally, the present invention also relates to a method for address coding of an operating device for lamps, in particular of an electronic ballast for gas discharge lamps, wherein the operating device has an input for connecting a light sensor. In this case, an address coding of the operating device through Insertion of a resistor of a predetermined value to the light sensor input performed.

Schließlich betrifft die Erfindung auch ein Verfahren zur Adress-Codierung eines Betriebsgeräts für Lampen, wobei eine Steuereinheit in dem Betriebsgerät jeglichen, insbesondere jeglichen sich zeitlich nicht verändernden Widerstandswert am Lichtsensor-Eingang als Adress-Kodierwert verwendet.Finally, the invention also relates to a method for address coding of a control gear for lamps, wherein a control unit in the operating device uses any, in particular any time-invariant resistance value at the light sensor input as an address coding value.

Weitere Eigenschaften, Vorteile und Merkmale werden dem Fachmann nunmehr anhand der folgenden ausführlichen Beschreibung eines Ausführungsbeispiels und unter Bezugnahme auf die Figuren der begleitenden Zeichnungen vermittelt.

Fig. 1
zeigt eine schematische Ansicht eines erfindungsgemäßen, in einfacher Weise adressierbaren Betriebsgeräts für Lampen, und
Fig. 2
zeigt eine aus der WO 98/39951 bekannte Anordnung aufweisend ein elektronisches vorschaltgerät und einen Lichtsensor.
Further characteristics, advantages and features will now be conveyed to those skilled in the art by means of the following detailed description of an embodiment and with reference to the figures of the accompanying drawings.
Fig. 1
shows a schematic view of an inventive, easily addressable operating device for lamps, and
Fig. 2
shows an arrangement known from WO 98/39951 comprising an electronic ballast and a light sensor.

Wie aus Figur 1 ersichtlich, ist ein Betriebsgerät für eine oder mehrere Lampen , insbesondere ein elektronisches Vorschaltgerät EVG für Gasentladungslampen 6 vorgesehen. Dieses Vorschaltgerät EVG weist eine Sensor-Schnittstelle bestehend aus zwei Anschlüssen 18a, 18b auf, an die ein externer Widerstand 4 mit definiertem Widerstandswert R1 angeschlossen werden kann. Selbstverständlich kann die Schnittstelle bestehend aus den Anschlüssen 18a, 18b auch unbesetzt bleiben, was von der Steuereinheit 12 in dem Vorschaltgerät EVG als Anlegen eines unendlich hohen Widerstands an der Lichtsensor-Schnittstelle 18a, 18b erkannt wird.As can be seen from FIG. 1, an operating device for one or more lamps, in particular an electronic ballast ECG for gas discharge lamps 6, is provided. This ballast ECG has a sensor interface consisting of two terminals 18a, 18b, to which an external resistor 4 with a defined resistance R1 can be connected. Of course, the interface consisting of the terminals 18a, 18b remain unoccupied, which is detected by the control unit 12 in the ballast EVG as applying an infinitely high resistance to the light sensor interface 18a, 18b.

Es kann wie schematisch dargestellt ein Satz an Widerständen 4', 4'' mit unterschiedlichen Widerstandwerten R2 ≠ R3 ≠ R1 vorgesehen sein, die jeweils Anschlusstücke aufweisen, die zum Einsetzen in die Sensor-Schnittstelle ausgebildet sind. Auf den Widerständen 4, 4', 4'' kann die logische Adresse aufgebracht sein, die die Steuereinheit 12 sowie die Zentraleinheit 1 dem jeweiligen Widerstandswert zuordnen. Die logische Adresse (Betriebsadresse) kann dabei auch ein Farbcodierwert oder eine Gruppennummer etc. sein.As shown schematically, a set of resistors 4 ', 4 "may be provided with different resistance values R 2 ≠ R 3 ≠ R 1, which each have connection pieces which are designed for insertion into the sensor interface. On the resistors 4, 4 ', 4' ', the logical address may be applied, which assign the control unit 12 and the central unit 1 to the respective resistance value. The logical address (operating address) can also be a color coding value or a group number, etc.

Es ist darauf hinzuweisen, dass die auch in Figur 1 dargestellten Bauteile zur A/D-Wandlung eines an der Schnittstelle 18a, 18b anliegenden Signals, genauer gesagt die Widerstände 13, 14 sowie der Kondensator 15 optional vorgesehen sind.It should be pointed out that the components shown in FIG. 1 are also optionally provided for the A / D conversion of a signal present at the interface 18a, 18b, more precisely the resistors 13, 14 and the capacitor 15.

Von Bedeutung für die Erfindung ist es allein, dass das Vorschaltgerät EVG eine mit der Steuereinheit 12 verbundene externe Schnittstelle 18a, 18b aufweist, wobei zwischen die Anschlüsse 18a, 18b der Schnittstelle ein Ohm'scher Widerstand geschaltet werden kann. Die externe Schnittstelle kann auch für andere Signale als Signale von einem Lichtsensor dienen.It is only important for the invention that the ballast ECG has an external interface 18a, 18b connected to the control unit 12, wherein an ohmic resistor can be connected between the terminals 18a, 18b of the interface. The external interface can also be used for signals other than signals from a light sensor.

Weiterhin weist das Vorschaltgerät EVG eine externe Busschnittstelle mit Anschlüssen 19a, 19b auf, an die Busleitungen 2, 3 angeschlossen werden können, die zu einer zentralen Steuereinheit 1 führen. Es ist darauf hinzuweisen, dass anstelle des Busleitungspaares 19a, 19b auch eine einzige Busleitung vorgesehen sein kann un in diesem Fall auch nur ein Anschluss als Busschnittstelle ausreicht.Furthermore, the ballast EVG has an external bus interface with terminals 19a, 19b, to which bus lines 2, 3 can be connected, which lead to a central control unit 1. It should be noted that instead of the bus line pair 19a, 19b, a single bus line can be provided and in this case, only one connection is sufficient as a bus interface.

Optional kann das Betriebsgerät EVG auch einen manuell betätigbaren Schalter 5 aufweisen. In der ersten Stellung des Schalters 5 interpretiert die Steuereinheit 12 in dem Vorschaltgerät EVG jeglichen Widerstandswert an der Lichtsensor-Schnittstelle 18a, 18b als Lichtsensor-Signal. In der zweiten Schaltung interpretiert die Steuereinheit 12 jeglichen Widerstandswert an der Lichtsensor-Schnittstelle 18a, 18b als Adress-Kodierwert.Optionally, the operating device ECG can also have a manually operable switch 5. In the first position of the switch 5 interprets the control unit 12 in the ballast EVG any resistance at the light sensor interface 18a, 18b as a light sensor signal. In the second circuit, the control unit 12 interprets any resistance value at the light sensor interface 18a, 18b as the address encoding value.

Insbesondere kann die Steuereinheit 12 nur einen zeitlich sich nicht verändernden und/oder endlichen ohm'schen Widerstand an der Lichtsensor-Schnittstelle 18a, 18b als Adress-Kodierwert interpretieren.In particular, the control unit 12 can only interpret a non-changing and / or finite ohmic resistance at the light sensor interface 18a, 18b as an address coding value.

Wenn also ein mit einer Adressierung versehenes Signal über die Schnittstelle 19a, 19b eingeht, vergleicht die Steuereinheit 12 anhand des Widerstandswerts an der Lichtsensor-Schnittstelle 18a, 18b und bspw. einer in der Steuereinheit 12 abgelegten Tabelle (die bestimmten Widerstandwerten oder Widerstandwert-Bereichen jeweils eine Adresse zuordnet), ob der zu der Adressierung zugehörende Befehl an das vorliegende Betriebsgerät EVG adressiert ist.Thus, when an addressing signal is received through the interface 19a, 19b, the control unit 12 compares the resistance value at the light sensor interface 18a, 18b and, for example, a table stored in the control unit 12 (the determined resistance values or resistance value ranges, respectively) assigns an address), whether the belonging to the addressing command to the present operating device EVG is addressed.

Während also gemäß dem Stand der Technik eine Lichtsensor-Schnittstelle nur zum Anschluss eines Lichtsensors in Form eines lichtempfindlichen Widerstandes (LDR) dient, kann gemäß der vorliegenden Erfindung anstelle des lichtempfindlichen Widerstands ein Widerstand mit festem Wert an die Sensor-Schnittstelle angeschlossen werden, wobei die Steuereinheit 12 jedem Widerstandswert einen festen Adresswert zuordnet.Thus, whereas according to the prior art, a light sensor interface is used only for connection of a light sensor in the form of a photosensitive resistor (LDR), according to the present invention, instead of the photosensitive resistor, a resistor with a fixed value can be connected to the sensor interface Control unit 12 each resistance value assigns a fixed address value.

Die Steuereinheit 12 kann auch ohne manuelle Betätigung eines Schalters 5 automatisch detektieren, ob ein Widerstand 4 zur Adresskodierung eingesetzt ist. Zuerst ermittelt dazu die Steuereinheit 12, ob an der Sensor-Schnittstelle 18a, 18b ein endlicher Widerstandswert vorliegt. Daraufhin veranlasst die Steuereinheit 12 ein Dimmen einer angeschlossenen Lampe 6 auf einen anderen Helligkeitswert und überprüft gleichzeitig, ob sich der Widerstandswert an der Lichtsensor-Schnittstelle 18a, 18b ändert. Wenn sich dieser Widerstandswert ändert, schließt die Steuereinheit 12 darauf, dass ein lichtempfindlicher Widerstand an der Lichtsensor-Schnittstelle 18, 18b angeschlossen ist und das Betriebsgerät EVG wechselt in den Lichtsensor-Modus. Andererseits, wenn sich der Widerstandswert bei einem Dimmen nicht verändert, schließt die Steuereinheit 12 auf einen zur Adresskodierung verwendeten Fixwiderstand und weist sich selbst einen Adresswert entsprechend diesem Widerstandswert zu. Gleichzeitig wechselt das Betriebsgerät EVG in den Adress-Modus.The control unit 12 can automatically detect without manual operation of a switch 5, if a resistor 4 is used for address coding. First, the control unit 12 determines whether there is a finite resistance value at the sensor interface 18a, 18b. Thereafter, the control unit 12 causes Dimming a connected lamp 6 to a different brightness value and simultaneously checks whether the resistance value at the light sensor interface 18a, 18b changes. When this resistance value changes, the control unit 12 concludes that a photosensitive resistor is connected to the light sensor interface 18, 18b and the operating device ECG changes to the light sensor mode. On the other hand, if the resistance value does not change during dimming, the control unit 12 closes to a fixed resistor used for address coding and assigns itself an address value corresponding to this resistance value. At the same time, the electronic ballast changes to address mode.

Im übrigen kann die Adress-Codierung verwendet werden, um jedem Betriebsgerät EVG eine "Farbe" zuzuordnen. Mit einer bestimmten Adresse spricht die Zentraleinheit 1 somit jeweils Leuchten gleicher Farbe an. Dazu sind bekanntlich bei einem RGB (+ Weiss) -System nur vier Adressen notwendig, was mit drei (falls der Widerstandswert "unendlich" verwendet wird) oder vier diskreten Widerstandswerten realisiert werden kann.Incidentally, the address coding can be used to assign each operating device ECG a "color". With a specific address, the central unit 1 thus responds to each luminaire of the same color. For this purpose, it is known that in an RGB (+ Weiss) system only four addresses are necessary, which can be realized with three (if the resistance value "infinite" is used) or four discrete resistance values.

In gleicher Weise können beispielsweise auch an eine Zentraleinheit 1 angeschlossene Betriebsgeräte EVG in vier oder mehr Gruppen unterteilt werden, um eine kostengünstige Gruppensteuerung zu realisieren.In the same way, for example, operating devices connected to a central unit 1 can be subdivided into four or more groups in order to realize a cost-effective group control.

Claims (11)

Betriebsgerät für Lampen, insbesondere elektronisches Vorschaltgerät für Gasentladunglampen, aufweisend einen Eingang (18a, 18b) zum Anschluss eines Lichtsensors (20), wobei in den Lichtsensor-Anschluss (18a, 18b) ein Widerstand (4) zur Adress-Codierung des Betriebsgeräts (EVG)eingesetzt ist.Operating device for lamps, in particular electronic ballast for gas discharge lamps, comprising an input (18a, 18b) for connecting a light sensor (20), wherein in the light sensor port (18a, 18b), a resistor (4) for address coding of the operating device (ECG ) is used. Betriebsgerät nach Anspruch 1,
gekennzeichnet durch
eine Steuereinheit (12), die dazu ausgelegt ist, einen zeitlich sich nicht verändernden Widerstandwert am Lichtsensor-Anschluss (18a, 18b) als Adress-Codierung zu interpretieren.Operating device according to claim 1,
marked by
a control unit (12) which is designed to interpret a time-invariant resistance value at the light sensor connection (18a, 18b) as address coding. Betriebsgerät nach Anspruch 2,
dadurch gekennzeichnet,
dass die Steuereinheit (12) dazu ausgelegt ist, zur Feststellung, ob an dem Lichtsensor-Anschluss (18a, 18b) ein zeitlich sich nicht verändernder Widerstand (4) angeschlossen ist, eine Helligkeitsänderung einer angeschlossenen Lampe (6) zu veranlassen.Operating device according to claim 2,
characterized,
in that the control unit (12) is designed to determine a change in brightness of a connected lamp (6) in order to determine whether a resistance (4) which does not change over time is connected to the light sensor connection (18a, 18b). Betriebsgerät nach einem der vorhergehenden Ansprüche,
gekennzeichnet durch
einen Schalter (5), durch den das Betriebsgerät versetzt werden kann wahlweise in einen ersten Modus, in dem der Widerstandswert des Lichtsensor-Anschlusses (18a, 18b) als Lichtsensor-Signal interpretiert wird, und einen zweiten Modus, in dem der Widerstandswert des Lichtsensor-Anschlusses (18a, 18b) als Adress-Codierung interpretiert wird.Operating device according to one of the preceding claims,
marked by
a switch (5) through which the operating device can be placed, optionally in a first mode in which the resistance of the light sensor terminal (18a, 18b) is interpreted as a light sensor signal, and a second mode in which the resistance of the light sensor terminal (18a, 18b) is interpreted as address encoding. Beleuchtungssystem mit einer Zentraleinheit (1) und wenigstens einem Betriebsgerät (EVG) nach einem der vorhergehenden Ansprüche, das von der Zentraleinheit (1) über einen Bus (2, 3) addressiert ansprechbar ist.Lighting system comprising a central unit (1) and at least one operating unit (ECG) according to one of the preceding claims, which can be addressed by the central unit (1) via a bus (2, 3). Verwendung eines Lichtsensor-Anschlusses eines Betriebsgeräts für Lampen, insbesondere eines elektronischen Vorschaltgeräts (EVG) für Gasentladunglampen, zur Addressierung des Betriebsgeräts (EVG) durch Anschliessen eines Widerstands (4) an den Lichtsensor-Anschluss (18a, 18b).Use of a light sensor connection of an operating device for lamps, in particular of an electronic ballast (ECG) for gas discharge lamps, for addressing the operating device (ECG) by connecting a resistor (4) to the light sensor connection (18a, 18b). Verfahren zur Adress-Codierung eines Betriebsgeräts für Lampen, insbesondere eines elektronischen Vorschaltgeräts für Gasentladunglampen, wobei das Betriebsgerät (EVG) einen Eingang (18a, 18b) zum Anschluss eines Lichtsensors (20) aufweist, gekennzeichnet durch den folgenden Schritt: - Einsetzen eine Widerstands (4) in den Lichtsensor-Eingang (18a, 18b), wobei der Wert des eingesetzten Widerstands (4) zur Adressierung des entsprechenden Betriebsgeräts (EVG) verwendet wird. Method for address coding of an operating device for lamps, in particular of an electronic ballast for gas discharge lamps, wherein the operating device (ECG) has an input (18a, 18b) for connecting a light sensor (20), characterized by the following step: - Inserting a resistor (4) in the light sensor input (18a, 18b), wherein the value of the resistor used (4) for addressing the corresponding operating device (ECG) is used. Verfahren zur Adress-Codierung eines Betriebsgeräts für Lampen, insbesondere eines elektronischen Vorschaltgeräts für Gasentladunglampen, wobei das Betriebsgerät (EVG) einen Eingang (18a, 18b) zum Anschluss eines Lichtsensors (20) aufweist, gekennzeichnet durch den folgenden Schritt: - Verwenden des Werts eines zeitlich sich nicht verändernden Widerstands (4) am Lichtsensor-Eingang (18a, 18b) als Adress-Codierung. Method for address coding of an operating device for lamps, in particular of an electronic ballast for gas discharge lamps, wherein the operating device (ECG) has an input (18a, 18b) for connecting a light sensor (20), characterized by the following step: - Using the value of a time-invariant resistor (4) at the light sensor input (18 a, 18 b) as address coding. Verfahren nach Anspruch 7 oder 8,
dadurch gekennzeichnet,
dass das Betriebsgerät (EVG) eine Helligkeitsänderung einer angeschlossenen Lampe (6) veranlasst, um zu erkennen, ob ein Lichtsensor (20) oder ein Widerstand (4) mit festem Widerstandwert an dem Lichtsensor-Anschluss vorliegt.Method according to claim 7 or 8,
characterized,
in that the control gear (ECG) causes a brightness change of a connected lamp (6) to detect whether a light sensor (20) or a resistor (4) with a fixed resistance value is present at the light sensor connection. Verfahren nach einem der Ansprüche 7 bis 9,
dadurch gekennzeichnet,
dass das Betriebsgerät (EVG) durch einen Befehl von einem angeschlossenen Bus dazu veranlasst wird, den Widerstandswert am Lichtsensor-Anschluss als Adresswert zu interpretieren.Method according to one of claims 7 to 9,
characterized,
that the operating device (ECG) is caused by a command from a connected bus to interpret the resistance value at the light sensor port as an address value. Verfahren nach einem der Ansprüche 7 bis 10,
dadurch gekennzeichnet,
dass das Betriebsgerät (EVG) durch manuelle Betätigung eines Schalters (5) an dem Betriebsgerät dazu veranlasst wird, den Widerstandswert am Lichtsensor-Anschluss (18a, 18b) als Adresswert zu interpretieren.Method according to one of claims 7 to 10,
characterized,
that the operating device (EVG) is caused by a manual operation of a switch (5) to the operating device to the resistance value at the light sensor connection (18a, 18b) to be interpreted as address value.
EP04012593A 2003-06-27 2004-05-27 Adressing ballasts using a sensor input port Expired - Lifetime EP1492391B1 (en)

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DE10329090.7A DE10329090B4 (en) 2003-06-27 2003-06-27 Addressing ballasts via a sensor input

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