EP2298038A1 - Détection du type d'une lampe à décharge gazeuse connectée à un appareil de service - Google Patents

Détection du type d'une lampe à décharge gazeuse connectée à un appareil de service

Info

Publication number
EP2298038A1
EP2298038A1 EP09772049A EP09772049A EP2298038A1 EP 2298038 A1 EP2298038 A1 EP 2298038A1 EP 09772049 A EP09772049 A EP 09772049A EP 09772049 A EP09772049 A EP 09772049A EP 2298038 A1 EP2298038 A1 EP 2298038A1
Authority
EP
European Patent Office
Prior art keywords
lamp
voltage
current
constant
inverter
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.)
Withdrawn
Application number
EP09772049A
Other languages
German (de)
English (en)
Inventor
Mathias DÜNSER
Dirk Dworatzek
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
Tridonic GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tridonic GmbH and Co KG filed Critical Tridonic GmbH and Co KG
Publication of EP2298038A1 publication Critical patent/EP2298038A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14—Circuit arrangements
    • H05B41/36—Controlling
    • 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 invention relates generally to the field of control gear for lighting and more precisely to control gear to which permissible different types of lamps are connected, wherein the operating device then in the same burning process or for a subsequent burning - without human involvement - automatically operating parameters to match the actually present Lamp type is set.
  • This process is called "lamp type detection” in the following.
  • EP-A-0 413 991 it is known to determine the ignition voltage of the connected gas discharge lamp and to close the lamp type on the basis of the determined ignition voltage.
  • the determination of the ignition voltage depends inter alia on the manufacturer, the degree of aging, the gas filling and the heating of the lamp, so that overall fluctuations in the range between 10% and 20% can result in determining the ignition voltage.
  • the lamp type of the connected gas discharge lamp Based on the determined current / voltage value pairs and the various existing current / voltage characteristics, it is possible to deduce the lamp type of the connected gas discharge lamp. In particular, it is provided to determine the lamp voltage (Uist) or the helical resistance (Rist) of the gas discharge lamp as the operating variable for the lamp type detection.
  • a ballast for operating a lamp provided with a fluorescent lamp wherein the operating data of certain recognizable with this method lamp types, at least their nominal lamp voltage and the lamp current, are stored in a register, the fluorescent lamp within a starting phase is operated for a predetermined time with a dimming current of known current strength, after the start phase, the present lamp voltage of the fluorescent lamp is measured, then in the register that lamp voltage is called which comes closest to the measured lamp voltage of the fluorescent lamp, and then the to the operation of the Fluorescent lamp required operating data are assigned to the measured lamp voltage per register.
  • a first aspect of the invention relates to a method for lamp type detection and setting of operating parameters for the operation of light sources as a function of the recognized type of light source, the method comprising the following steps: constant control of the power supplied to the light source,
  • the light sources can be supplied with an AC voltage starting from an inverter supplied with a constant DC voltage.
  • the constant regulation of the luminous flux can be achieved by taking into account the current through a potential lower Switch of two series-connected switches of the inverter done.
  • inverter a half-bridge circuit with two series-connected and alternately clocked switches can be used.
  • As light source one or more gas discharge lamps can be used.
  • the Lampentyperkennung can be done without measuring the current through the bulb.
  • the above-explained lamp type detection may be preceded by a lamp type pre-classification, in which the connected light source is pre-classified, for example, based on heating coil parameters of a gas discharge lamp.
  • the voltage drop at the light source can be detected by means of a voltage divider led to ground from the higher side of the light source.
  • Based on the voltage drop can be detected by a control unit, whether one or more lamps are connected in series connected to the operating device.
  • the current through the luminous means can be detected at a constant regulated power and a control unit can detect from the current through the luminous means whether one or more lamps connected in parallel are supplied by the operating device.
  • the lighting means can be supplied from an inverter controlled by the control unit, which is supplied with a constant or constant regulated DC voltage, the control unit using the duty factor and / or the frequency of the inverter as the control variable for the power variable.
  • the invention also relates to an integrated control circuit, in particular ASIC, in support of a method of the type described above.
  • the control circuit may be implemented digitally, wherein preferably all feedback or measurement signals are A / D converted before being further processed.
  • the invention relates to a control device for lighting means having such a control circuit, as well as to a lamp with such a control gear.
  • FIG. 1 shows a schematic circuit diagram of a circuit according to the invention for operating a lamp Ri with lamp type detection
  • FIG. 2 shows signals as they appear on the circuit of FIG.
  • FIG. 1 shows a circuit for operating light-emitting means, wherein the light-emitting means are represented schematically by an ohmic resistor Ri.
  • a rectifier GR is supplied, so that the rectified mains voltage of a Smoothing circuit PFC can be supplied.
  • a preferably integrated and / or digital control circuit for example an ASIC, a microcontroller or a hybrid solution thereof, which bears the reference character "C"
  • the load circuit has a series resonant circuit with a coil L and a capacitor Cl and an AC coupling capacitor C2, from which again the light sources R 1 provided in parallel with the resonance capacitor C 1 are connected.
  • Wl and W2 schematically designed as heating coils electrodes of the lamps are shown, as they are typical for example for gas discharge lamps. Schematically, these coils W1 and W2 are shown in more detail as a combination of an ohmic resistance and an inductance LH.
  • a heating circuit is provided, which is provided in parallel to the lower-potential switch S2 of the inverter WR and which has a capacitor C3, a Primärtropic mecanical LH 'and a switch S3, which can also be clocked by the control unit C. Transformatorisch so the heat output from the primary winding LH 'on the heating coils LH, Wl, W2 transferred.
  • a measuring resistor (shunt) SH is connected, at which a signal can be tapped, which reproduces the current through the potential-lower switch S2 of the inverter (if it is closed). More specifically, this signal I H is used to charge a capacitor C4, which serves as an example of an implementation of an integration of the current I H.
  • the charging voltage of the capacitor C4 is supplied to the control unit C as a signal representing the load circuit provided power P A.
  • the control unit C can determine the actual power supplied to the load circuit.
  • a power control is now performed, in which this actual power value is compared with a desired power value, which is specified internally or externally.
  • This target power value can be specified externally, for example to achieve dimming.
  • the control variable for the power control is the switching frequency and / or the duty cycle of the switches Sl, S2 of the inverter WR, in particular in Interaction with the resonance curve of the series resonant circuit L, Cl.
  • an ohmic voltage divider R1, R2 can be provided parallel to the light-emitting means Ri, at which a signal Ui can be tapped and supplied to the control unit C, whereby this signal Ui can determine the voltage drop across the light-emitting means.
  • a further measuring resistor R3 may be provided, at which a signal Ii can be tapped off and supplied to the control unit C, this signal Ii reproducing the current through the lighting means Ri.
  • the voltage divider Rl, R2 is designed such that the signal representing the light source voltage Ui reproduces the entire voltage attack via all series-connected bulbs.
  • the measuring resistor (shunt) R3 is arranged such that the luminous flux signal Il reproduces the total current through all the luminous means Ri connected in parallel.
  • the regulation of the lamp power can thus on the
  • Control variable 'frequency' or 'duty cycle' of the inverter and additionally or alternatively done via the regulation of the DC link voltage.
  • the lamp current measurement is not used. Rather, at the specified target power, the lamp voltage setting at the lamp is measured and, starting therefrom, for example by comparison with a look-up table, a lamp type detection is carried out in such a way that operating parameters (for example for preheating, ignition operation and / or combustion operation) adapted for the 'recognized' lamp type, that is, depending on the self-adjusting lamp voltage, are selected. This is done by the preferably integrated control unit C.
  • the lamp type detection according to the invention ie with the parameter lamp voltage at constant regulated and predetermined lamp power can also be used as one of several stages, in particular the second stage of a multi-stage lamp type detection method.
  • the first stage may be a helix parameter detection that performs some kind of preselection of the candidate lamp types.
  • the lamp current measurement can be determined via the lamp current measurement based on the total current, whether one or more lamps are connected in parallel, which are powered by a common inverter from.
  • Inverter shunt signal I H and see the laterally averaged (or integrated) power signal P A , which adjusts as a voltage across the capacitor C4.

Landscapes

  • Circuit Arrangements For Discharge Lamps (AREA)

Abstract

L'invention concerne une détection d'un type de lampe, et un réglage de paramètres de fonctionnement permettant de faire fonctionner des moyens d'éclairage en fonction du type de moyens d'éclairage identifié, présentant les étapes suivantes : - régulation constante de la puissance fournie au moyen d'éclairage; - détection de la chute de tension s'établissant à puissance constante, via le moyen d'éclairage allumé, ou de l'intensité de courant circulant à travers le moyen d'éclairage; et - sélection d'au moins un paramètre de fonctionnement dépendant de la chute de tension.
EP09772049A 2008-07-02 2009-05-13 Détection du type d'une lampe à décharge gazeuse connectée à un appareil de service Withdrawn EP2298038A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200810031409 DE102008031409A1 (de) 2008-07-02 2008-07-02 Erkennung des Typs einer an einem Betriebsgerät angeschlossenen Gasentladungslampe
PCT/EP2009/003406 WO2010000349A1 (fr) 2008-07-02 2009-05-13 Détection du type d'une lampe à décharge gazeuse connectée à un appareil de service

Publications (1)

Publication Number Publication Date
EP2298038A1 true EP2298038A1 (fr) 2011-03-23

Family

ID=41134521

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09772049A Withdrawn EP2298038A1 (fr) 2008-07-02 2009-05-13 Détection du type d'une lampe à décharge gazeuse connectée à un appareil de service

Country Status (4)

Country Link
EP (1) EP2298038A1 (fr)
CN (1) CN102084725B (fr)
DE (1) DE102008031409A1 (fr)
WO (1) WO2010000349A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010040929A1 (de) * 2010-09-16 2012-03-22 Bag Engineering Gmbh Verfahren und Vorrichtung zum Differenzieren von Hochdruck (HID)-Entladungslampen sowie Betriebsgerät zum Differenzieren und Betreiben von Hochdruck (HID)-Entladungslampen
DE102010063867A1 (de) * 2010-12-22 2012-06-28 Tridonic Gmbh & Co Kg Zündregelung und Zünderkennung von Gasentladungslampen
US9332604B2 (en) * 2011-12-23 2016-05-03 Tridonic Gmbh & Co Kg LED converter with adaptive PFC and resonant converter
CN103391677A (zh) * 2012-05-09 2013-11-13 苏州市纽克斯照明有限公司 一种数字照明电源的高压钠灯识别和控制的装置及方法
CN103517534B (zh) * 2013-10-10 2015-12-02 深圳市朗科智能电气股份有限公司 一种高压钠灯功率规格的识别方法及装置
WO2017180612A1 (fr) * 2016-04-11 2017-10-19 Ryan Aylward Appareils, systèmes et procédés de détection d'ampoule de commande d'éclairage intelligent

Family Cites Families (12)

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Publication number Priority date Publication date Assignee Title
DE3319352A1 (de) * 1983-05-27 1984-11-29 Siemens AG, 1000 Berlin und 8000 München Wechselrichter zur speisung von entladungslampen
EP0201624A3 (fr) * 1985-05-14 1987-03-25 TRILUX-LENZE GmbH & Co. KG Circuit ballast pour lampe fluorescente
JPH0766864B2 (ja) 1989-07-28 1995-07-19 東芝ライテック株式会社 放電灯点灯装置
US5600211A (en) 1994-09-16 1997-02-04 Tridonic Bauelemente Gmbh Electronic ballast for gas discharge lamps
US6008593A (en) * 1997-02-12 1999-12-28 International Rectifier Corporation Closed-loop/dimming ballast controller integrated circuits
US6160361A (en) * 1998-07-29 2000-12-12 Philips Electronics North America Corporation For improvements in a lamp type recognition scheme
DE19850441A1 (de) 1998-10-27 2000-05-11 Trilux Lenze Gmbh & Co Kg Verfahren und Vorschaltgerät zum Betrieb einer mit einer Leuchtstofflampe versehenen Leuchte
DE10133515A1 (de) * 2001-07-10 2003-01-30 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Schaltungsanordnung zum Betreiben einer Leuchtstofflampe
US6914395B2 (en) * 2001-11-27 2005-07-05 Matsushita Electric Works, Ltd. Electronic ballast for a high-pressure discharge lamp
JP2003249392A (ja) * 2002-02-22 2003-09-05 Mitsubishi Electric Corp 放電灯点灯装置
EP1695597A1 (fr) * 2003-12-11 2006-08-30 Koninklijke Philips Electronics N.V. Ballast electronique avec determination de type lampe
DE102006011970A1 (de) * 2006-03-15 2007-09-20 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Geregeltes Vorschaltgerät für eine Lampe

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2010000349A1 *

Also Published As

Publication number Publication date
WO2010000349A1 (fr) 2010-01-07
DE102008031409A1 (de) 2010-01-07
CN102084725B (zh) 2014-10-29
CN102084725A (zh) 2011-06-01

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