EP1494507A1 - Interface numérique avec un potentiomètre - Google Patents

Interface numérique avec un potentiomètre Download PDF

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Publication number
EP1494507A1
EP1494507A1 EP04013161A EP04013161A EP1494507A1 EP 1494507 A1 EP1494507 A1 EP 1494507A1 EP 04013161 A EP04013161 A EP 04013161A EP 04013161 A EP04013161 A EP 04013161A EP 1494507 A1 EP1494507 A1 EP 1494507A1
Authority
EP
European Patent Office
Prior art keywords
digital
interface
amplitude
pulse width
width information
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP04013161A
Other languages
German (de)
English (en)
Other versions
EP1494507B1 (fr
Inventor
Juen Reinhold
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tridonic GmbH and Co KG
Original Assignee
Tridonicatco GmbH and Co KG
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Filing date
Publication date
Application filed by Tridonicatco GmbH and Co KG filed Critical Tridonicatco GmbH and Co KG
Publication of EP1494507A1 publication Critical patent/EP1494507A1/fr
Application granted granted Critical
Publication of EP1494507B1 publication Critical patent/EP1494507B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B41/00Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14Circuit arrangements
    • H05B41/16Circuit arrangements in which the lamp is fed by DC or by low-frequency AC, e.g. by 50 cycles/sec AC, or with network frequencies

Definitions

  • the invention relates generally to an interface for a lamp operating device, in particular for a ballast for a gas discharge lamp, on lamp control gear with Such interfaces as well as methods for generating Control commands, in particular dimming commands for a lamp control gear.
  • a user should thus be given the opportunity manually via a digital interface control command, in particular dimming commands for an electronic ballast, to be entered.
  • the German patent application 197 08 784 is a electronic ballast known (in the Embodiment according to Figure 7) an interface device having.
  • This interface device can over Button signals or switch signals as well as via digital Control signals are controlled. in case of a connected button can then be connected electronic ballast by one (short or long) Key press on or off.
  • DSI Digital Signal Interface
  • an interface for a lamp operating device in particular for a ballast (ECG) for Gas discharge lamps provided.
  • the interface points two input-side connections of a digital control input and a Ausretelogik that basically both to the Connections attached digital signals as well Mains voltage signals can handle.
  • a digital Control input is a voltage divider or a Potentiometer for continuous adjustment of the amplitude which is connected to the terminals of the digital control input Mains voltage provided. Setting a potentiometer in The nature of a dimmer is more intuitive for the user now a position (eg. A rotational position) and not more a time duration reflects the desired dimming value.
  • the interface means for implementing the Amplitude of the applied mains voltage in a pulse width information exhibit.
  • the evaluation logic can be designed to handle the (digital) Pulse width information in control commands for a lamp control gear implement.
  • the evaluation logic be adapted to the pulse width information in dimming control values to implement for a lamp operating device.
  • Zener diodes can use the applied mains voltage at the digital interface of bipolar thresholding undergo.
  • Lamp operating device in particular a dimmable ballast provided for gas discharge lamps, which is an interface of the having the above-mentioned type.
  • the invention also proposes a method for Generation of dimming commands for a lamp control gear, in particular for a ballast for gas discharge lamps in front.
  • This pulse width information can then digitally as a dimming command for the lamp control gear are processed.
  • the amplitude of the applied mains voltage can thereby be continuously adjustable.
  • the conversion of the amplitude level into digital pulse width information can in particular by means of a Zener diode circuit respectively.
  • the interface device prepares these signals applied to the input-side terminals U IN1 , U IN2 in such a way that, irrespective of the nature of the applied signals, a digital signal is output at an output-side terminal OUT whose logic value corresponds to that at the input terminals U IN1 , U IN2 corresponding signal corresponds.
  • the digital logic signal output by the interface device can then be evaluated, for example, by a following controller, which in turn controls a connected electronic device, such as a lamp operating device (eg electronic ballast electronic ballast) or LED operating device accordingly.
  • the input side (terminals U IN1 , U IN2 ) and the output side (OUT) of the inventive interface device are galvanically isolated from each other, which is schematically represented by the element GT.
  • element GT for galvanic isolation for example, optocouplers, transformers and level offset stages come into question.
  • One of the input-side terminals U IN2 can be connected directly to this galvanic isolation element GT.
  • an ohmic resistor R1 a positive temperature coefficient element (PTC element) PCT and two (optional) Zener diodes D1, D2 can be connected in series between the other input side terminal U IN1 and this element GT.
  • PTC element positive temperature coefficient element
  • the output signals of element GT for galvanic isolation are fed to a AusretelogiK AL, which is a comparator COMP has.
  • the comparator KOMP compares this Output signal of element GT for galvanic isolation (Input 3 of the comparator) with one on the inverted Input 2 applied reference or threshold signal of Comparator KOMP. Depending on the comparison, the Comparator KOMP then the logic signal OUT, for example, to the Controller continues.
  • Interface device has been particularly taken care that comparatively few and inexpensive components be used. As will be explained in the following Such an interface device nevertheless the required strength against a permanently attached Mains voltage on and against voltage spikes (bursts) on.
  • the ohmic resistor R1 must be in case of concern Mains voltage signal as long as electrical energy into heat until the PTC element heats up and into the high-impedance state passes, reducing the current through this Path drops off again.
  • the zener diodes D1, D2 are used to define the low level of Digital signal.
  • the interface is designed to be one of a kind Mains voltage signal derived analog signal at the digital Control input to process.
  • a voltage divider (potentiometer) ST which is supplied with mains voltage U NETW , is connected upstream of the digital control input SE.
  • this voltage divider ST it is possible to set the amplitude of the voltage applied to the digital control input mains voltage U NETZ substantially continuously.
  • other means are conceivable to change the amplitude of the supplied mains voltage.
  • FIG. 2 shows a modification of FIG. 1 in that the evaluation logic AL according to FIG. 2 is part of the operating device electronic ballast. Meanwhile, it is also provided according to FIG. 2 that a voltage divider ST is connected to the digital control input SE of the interface ES, that is to say more precisely to the two input-side terminals U IN1 , U IN2 , which is supplied with the mains voltage U NETZ .
  • FIG. 3 provides a circuit in the interface ES (for example the zener diode circuit D1, D2, as shown in FIG. 1) that the (analog) amplitude information at the output of the voltage divider ST and thus at the input of the digital control input SE of Interface IS in a (digital) pulse width modulation is implemented, which is the evaluation logic AL is supplied by and this in turn in control signals for a connected Operating gear ECG is implemented.
  • the Amplitude information provided by the user by means of the Potentiometer ST is set in a pulse width information and then by the evaluation logic in dimming control values be implemented for a ballast.
  • the setting of the Amplitude can by means of the voltage divider / potentiometer ST steplessly.
  • Fig. 3 the case is described that the peak value of the voltage applied to the digital control input SE voltage once a value U MAX1 and at another time the smaller value (U MAX2 ⁇ U MAX1 ).
  • the peak value at the digital control input SE can be adjusted, for example, by a user by hand and a potentiometer.
  • threshold value formation + - U TH is performed, for example, by means of the Zener diode circuit D1, D2 shown in FIG. Accordingly, the input signal of the evaluation logic AL looks schematically as in FIG. 3, bottom illustration. With a high amplitude U MAX1 of the AC voltage applied to the digital control input SE results in a PWM signal with a relatively high duty cycle t 1 and corresponding to a large duty cycle.
  • the amplitude of the alternating voltage present at the digital control input SE of the interface ES is attenuated to a value U MAX2 ⁇ U MAX1 by means of the potentiometer / voltage divider ST, then, as shown in FIG. 3, the lower illustration is shown at the input of the evaluation logic AL a PWM signal with a reduced duty cycle t2 ⁇ t1 and a corresponding reduced duty cycle.
  • the duty cycle is then based on the evaluation logic AL a table or function implemented in it in dimming position values, On / Off commands etc. implemented.
  • a dimmable ballast can be realized with an interface which can be dimmed both with digital control signals (eg DALI, DSI) and with a continuously adjustable mains voltage.
  • the mains voltage U NETZ is supplied via a voltage divider ST the digital control input SE of the interface SI.
  • the Interface circuit SE derives this variable voltage or an equivalent signal via a galvanic coupling GK the Evaluation logic AL to.
  • the evaluation logic AL then ensures that, for example, a lamp according to the digital Control input SE adjacent signal amplitude is dimmed.
  • the invention can, for example, in a simple manner dimmable floor lamps are used, which in many Cases already equipped with a potentiometer / dimmer are.

Landscapes

  • Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)
EP04013161.7A 2003-07-01 2004-06-03 Interface numérique avec un potentiomètre Expired - Lifetime EP1494507B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10329683A DE10329683A1 (de) 2003-07-01 2003-07-01 Digitale Schnittstelle mit Potentiometer
DE10329683 2003-07-01

Publications (2)

Publication Number Publication Date
EP1494507A1 true EP1494507A1 (fr) 2005-01-05
EP1494507B1 EP1494507B1 (fr) 2013-08-28

Family

ID=33426810

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04013161.7A Expired - Lifetime EP1494507B1 (fr) 2003-07-01 2004-06-03 Interface numérique avec un potentiomètre

Country Status (3)

Country Link
US (1) US7466084B2 (fr)
EP (1) EP1494507B1 (fr)
DE (1) DE10329683A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2182778A1 (fr) 2008-10-29 2010-05-05 Siteco Beleuchtungstechnik GmbH Procédé de commande d'une lampe extérieure et lampe correspondante
AT13027U1 (de) * 2011-09-02 2013-04-15 Tridonic Gmbh & Co Kg Steuerbares betriebsgerät

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10329876B4 (de) * 2003-07-02 2016-06-02 Tridonic Gmbh & Co Kg Schnittstelle für ein Lampenbetriebsgerät mit niedrigen Standby-Verlusten und Verfahren zur Ansteuerung eines Lampenbetriebsgeräts über eine derartige Schnittstelle
US9648685B2 (en) 2009-12-18 2017-05-09 Nokia Technologies Oy Method and apparatus for driving a LED with pulses
DE102015202516B4 (de) * 2015-02-12 2026-03-05 Tridonic Gmbh & Co Kg Betriebsgerät für ein Leuchtmittel, System und Verfahren zum Betreiben eines Betriebsgeräts
DE102018206796A1 (de) * 2018-05-03 2019-11-07 Osram Gmbh Adapterschaltung
DE102019125445A1 (de) * 2019-07-12 2021-01-14 Erco Gmbh Betriebsgerät

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5539281A (en) * 1994-06-28 1996-07-23 Energy Savings, Inc. Externally dimmable electronic ballast
US5614811A (en) * 1995-09-26 1997-03-25 Dyalem Concepts, Inc. Power line control system
US5872429A (en) * 1995-03-31 1999-02-16 Philips Electronics North America Corporation Coded communication system and method for controlling an electric lamp
US5945789A (en) * 1998-06-01 1999-08-31 Chou; Tsung-Ming Two-wire display lighting control structure
US6218787B1 (en) * 1998-04-20 2001-04-17 Jrs Technology Inc. Remote dimming control system for a fluorescent ballast utilizing existing building wiring
US6229271B1 (en) * 2000-02-24 2001-05-08 Osram Sylvania Inc. Low distortion line dimmer and dimming ballast
EP1128711A2 (fr) * 2000-02-25 2001-08-29 Osram Sylvania Inc. Ballast gradateur avec signal de commande dual
CA2345456A1 (fr) * 2001-04-27 2002-10-27 Lumion Corporation Methode et appareil de commande de lampes

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Publication number Priority date Publication date Assignee Title
US3965388A (en) * 1974-12-13 1976-06-22 Arthur D. Little, Inc. Digital light responsive switching circuit
JP3053658B2 (ja) * 1991-03-04 2000-06-19 沖電気工業株式会社 電圧/パルス幅変調回路
DE4340604A1 (de) 1993-08-25 1995-03-02 Tridonic Bauelemente Ges Mbh Elektronisches Vorschaltgerät zum Versorgen einer Last, beispielsweise einer Lampe
US5619081A (en) * 1994-01-18 1997-04-08 Leviton Manufacturing Co., Inc. Asymmetrical AC trigger simulation
DE19757295B4 (de) 1997-03-04 2005-08-04 Tridonicatco Gmbh & Co. Kg Elektronisches Vorschaltgerät
US6094016A (en) * 1997-03-04 2000-07-25 Tridonic Bauelemente Gmbh Electronic ballast
JPH1167471A (ja) * 1997-08-26 1999-03-09 Tec Corp 照明装置
JP3725015B2 (ja) * 2000-09-22 2005-12-07 山洋電気株式会社 無停電電源装置
US6448713B1 (en) * 2000-12-07 2002-09-10 General Electric Company Sensing and control for dimmable electronic ballast
US6628093B2 (en) * 2001-04-06 2003-09-30 Carlile R. Stevens Power inverter for driving alternating current loads

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5539281A (en) * 1994-06-28 1996-07-23 Energy Savings, Inc. Externally dimmable electronic ballast
US5872429A (en) * 1995-03-31 1999-02-16 Philips Electronics North America Corporation Coded communication system and method for controlling an electric lamp
US5614811A (en) * 1995-09-26 1997-03-25 Dyalem Concepts, Inc. Power line control system
US6218787B1 (en) * 1998-04-20 2001-04-17 Jrs Technology Inc. Remote dimming control system for a fluorescent ballast utilizing existing building wiring
US5945789A (en) * 1998-06-01 1999-08-31 Chou; Tsung-Ming Two-wire display lighting control structure
US6229271B1 (en) * 2000-02-24 2001-05-08 Osram Sylvania Inc. Low distortion line dimmer and dimming ballast
EP1128711A2 (fr) * 2000-02-25 2001-08-29 Osram Sylvania Inc. Ballast gradateur avec signal de commande dual
CA2345456A1 (fr) * 2001-04-27 2002-10-27 Lumion Corporation Methode et appareil de commande de lampes

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2182778A1 (fr) 2008-10-29 2010-05-05 Siteco Beleuchtungstechnik GmbH Procédé de commande d'une lampe extérieure et lampe correspondante
AT13027U1 (de) * 2011-09-02 2013-04-15 Tridonic Gmbh & Co Kg Steuerbares betriebsgerät

Also Published As

Publication number Publication date
EP1494507B1 (fr) 2013-08-28
US7466084B2 (en) 2008-12-16
US20050023989A1 (en) 2005-02-03
DE10329683A1 (de) 2005-02-03

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