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EP2123133B2 - Ballast électronique universel pour faire fonctionner des lampes à décharge avec et sans mercure - Google Patents
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EP2123133B2 - Ballast électronique universel pour faire fonctionner des lampes à décharge avec et sans mercure - Google Patents

Ballast électronique universel pour faire fonctionner des lampes à décharge avec et sans mercure Download PDF

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Publication number
EP2123133B2
EP2123133B2 EP08716808.4A EP08716808A EP2123133B2 EP 2123133 B2 EP2123133 B2 EP 2123133B2 EP 08716808 A EP08716808 A EP 08716808A EP 2123133 B2 EP2123133 B2 EP 2123133B2
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EP
European Patent Office
Prior art keywords
electronic ballast
lamp
orientation mode
discharge lamp
type
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.)
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Application number
EP08716808.4A
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German (de)
English (en)
Other versions
EP2123133B1 (fr
EP2123133A1 (fr
Inventor
Bernhard Siessegger
Günther Hirschmann
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Osram GmbH
Original Assignee
Osram GmbH
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Publication date
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Application filed by Osram GmbH filed Critical Osram GmbH
Publication of EP2123133A1 publication Critical patent/EP2123133A1/fr
Publication of EP2123133B1 publication Critical patent/EP2123133B1/fr
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Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14—Circuit arrangements
    • H05B41/36—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
    • H05B41/288—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 without preheating electrodes, e.g. for high-intensity discharge lamps, high-pressure mercury or sodium lamps or low-pressure sodium lamps

Definitions

  • the present invention relates to a method for controlling a discharge lamp by means of an electronic ballast (ECG) and an electronic ballast, with which any type of discharge lamps can be operated.
  • ECG electronic ballast
  • ECG electronic ballast
  • Mercury-containing and mercury-free lamps in particular discharge lamps for use in motor vehicles (so-called D lamps) each have very different properties. This applies in particular to the electrical properties of the two lamp types, which exhibit the same nominal power of 35 watts in stationary operation, but the mercury-free lamp has only about half the operating voltage compared to the mercury-containing lamp. Even during startup, both lamp types are very different from each other to operate in order to achieve the desired requirements, such as sufficiently high instantaneous light with an acceptable life.
  • the electronic ballast comprises a microprocessor which detects the individual lamp type connected to the electronic ballast and activates the lamp in dependence on the recognized lamp type specification.
  • the lamp lamp type individual codes, such as arranged on the lamp base nubs, which form a lamp type-individual coding due to their number and arrangement, detected and the lamp is driven according to previously stored operating parameters for this type of lamp.
  • Another way of detecting the type of lamp is to detect a bar code mounted on the lamp.
  • the EP 0 702 508 A1 discloses an electronic ballast for gas discharge lamps with a fuzzy controller that generates a control value of the lamp current for controlling the lamp current depending on an actual value of the lamp current for an inverter for creating the frequency or the duty cycle of the lamp current.
  • the parameters detected during the orientation mode are stored and the lamp is operated at all subsequent starts with these stored operating parameters. This has the advantage that on the one hand during the orientation phase, a very accurate determination of the lamp parameters can be performed, and on the other no delay occurs when switching on the lamp, since after a completed orientation mode, the lamp only operated with the operating parameters detected in the orientation mode becomes.
  • the lamp is advantageously operated with the lowest of the permissible lamp currents. This ensures that no lamp is damaged due to over-selected currents or power.
  • a sensor element detects the burning voltage or a burning voltage increase of a lamp mounted on the ECG, and the lamp type is determined on the basis of the detected values that are characteristic of the lamp type.
  • burning voltage increase are easily identifiable values and other types of identifying features such as bar codes or lamp-mounted studs need not be used as known in the art.
  • the electronic ballast according to the invention comprises a microcontroller which is designed to control a lamp connected to the ECG in such a way that the lamp is operated once in an orientation mode during the first switch-on, during which the lamp type is detected, and each time the lamp is turned on, the lamp is operated in a normal mode adapted to the lamp.
  • the electronic ballast comprises a memory element in which at least a first bit for indicating whether an orientation mode has been performed and a second bit for specifying the lamp type are stored.
  • an embodiment is particularly advantageous in which the ECG also has a communication interface, in particular a LIN bus.
  • a communication interface in particular a LIN bus.
  • a check can be made as to whether a lamp type has been recognized correctly.
  • a reprogramming of the ECG for example by deleting the first bit, can be done. If the first bit is cleared, the microcontroller of the ECG again performs the orientation mode, whereby the new lamp can be detected. This has the great advantage that it is not necessary to replace the electronic ballast and lamp when replacing a lamp type, but only the lamp itself.
  • the method according to the invention or the electronic ballast according to the invention is particularly advantageous for the method according to the invention or the electronic ballast according to the invention to be used in headlamps for operating mercury-free (Hg-free) or mercury-containing (Hg-containing) metal halide high-pressure discharge lamps for use in motor vehicles, so-called D lamps.
  • Hg-free and Hg-containing lamps are based on a common hardware or software concept, but can only be operated with different electronic ballasts due to their very different electrical properties.
  • the universal ECG according to the invention makes it possible for the ECGs to remain in the car while only the lamp is replaced, making it possible to convert from Hg-containing to Hg-free very quickly and very simply.
  • the single FIGURE shows a flow chart of a first particularly preferred embodiment of the method according to the invention.
  • the operation of Hg-containing and Hg-free D-lamps by means of a single ECG type without any hardware or software conversion or intervention in the TOE is made possible by the fact that an appropriate dimensioning of the hardware and intelligent software is used.
  • the dimensioning of the hardware is to be interpreted essentially to the Hg-free lamp, since this requires the higher power.
  • the intelligence of the software is that the operating parameters for both lamps are stored in the software and when the ECG lamp combination is switched on for the first time the lamp is operated in a so-called orientation mode, the present type of lamp being recognized and stored in a memory element. Subsequently, and with all further starts of the lamp, the lamp is operated with the specified and adjusted operating parameters.
  • the first switching on and the operation in the orientation mode can advantageously take place only at the headlight manufacturer in a first functional test of the headlight system.
  • two bits are stored in a memory element in the electronic ballast, which indicate whether, on the one hand, an orientation mode has been carried out and, on the other hand, determine which operating parameters are to be used to operate a lamp.
  • FIG. 1 shows a flowchart of the method according to the invention, which can be performed by a microcontroller included in an ECG, for example, to operate a discharge lamp according to the invention.
  • a first step 1 the microcontroller accesses a memory element arranged in the ECG in order to read out a bit I stored in the memory element. Bit I indicates whether an orientation mode has been traversed (step 2).
  • orientation mode program starts a orientation mode program in a further step 3 during which the lamp type connected to the ECG is to be recognized and the detected lamp type parameters are stored in such a way, so that they are immediately accessible each time the lamp is started.
  • a lamp current is applied to the lamp which is limited to the lowest of the maximum permissible lamp currents. This means, for example, that when using Hg-free or Hg-containing D lamps, the maximum current is limited to that of the Hg-containing lamp, since a much higher current is permitted for the Hg-free lamp.
  • the start-up and nominal power is limited to the lowest of all permissible. In the case of the Hg-containing and Hg-free D-lamp, although the nominal power with 35 W are identical, the Hg-free lamp is to supply a higher power during the start-up phase (starting power). The stated limitation of currents and powers certainly prevents damage to the lamp during the orientation mode.
  • a burning voltage or a burning voltage rise of the lamp is then detected, for example, by means of a sensor element arranged in the ECG. Due to these parameters and the time evolution of these parameters after the start of the lamp, it can be decided, for example, which lamp type is concerned. However, it is also conceivable, instead of the steps described in steps 4 and 5, to record other parameters defining the lamp type.
  • steps 4 and 5 a method is carried out, with which it is possible to detect the lamp type and identify the associated operating parameters, so that in the subsequent step 6, a setting of the lamp type and thus the lamp operating parameters is enabled.
  • the operating parameters specifying the lamp type determined in step 6 can, for example, be stored in a further step 7 by writing a bit II into the memory element. If not only two types of lamps are available for selection, in method step 7 it is also possible to write a byte instead of one bit, which indicates the lamp type.
  • the microcontroller can decide which operating parameters he should be read from the memory element, with which then the lamp can be controlled.
  • the storage types used are non-volatile memories, for example EEPROM or flash memory. Even EPROM memory are conceivable, but due to the lack of rewritability, the scope of functions is limited accordingly. In the following, an EEPROM memory is required.
  • the orientation mode is ended (step 8), and in step 9, the bit I is changed to indicate that an orientation mode has been passed successfully. This can be done, for example, by shifting the bit I from a state "0" to a state "1".
  • the microcontroller reads the lamp-specific parameters defined by the bit / byte II from the memory and in a step 10 controls the lamp in such a way that the lamp is operated with the lamp-specific parameters. This means, for example, if it was detected during the orientation mode that the connected lamp is a Hg-free D-lamp, that the rated current and the starting current and starting power are increased accordingly.
  • step 2 the microcontroller now determines in step 2 that an orientation mode has been run, whereupon it can directly read the bit / byte II and operate the lamp accordingly (step 11 / step 10).
  • the lamp is switched off and the error becomes obvious.
  • the lamp may be operated "flashing", by which the power of the lamp is periodically switched between nominal power and e.g. 80% of rated power is changed.
  • the orientation mode is repeated cyclically until the orientation mode has been successfully executed. For this purpose, after each orientation mode the lamp is for a certain time, e.g. 5 minutes off to try again. In all the scenarios described, bit I is only changed when a successful detection of the lamp type has taken place.
  • the orientation mode must not yet be executed. Therefore, a counter is to be provided in the microcontroller which stores the number of turn-on operations. Only after this counter reaches a predetermined value, the orientation mode is started. Which lamp type is used as the basis for the operation of the lamp before the execution of the orientation mode is determined in the microcontroller by means of an additional bit or byte during programming.
  • the electronic ballast advantageously has a communication interface.
  • This can be realized for example by a LIN bus.
  • it is possible, for example, to erase the bit I, or to return to the "orientation mode not traversed" state.
  • the communication interface it is not only possible to access the bit I, but also to change the bit / byte II or to store further operating parameters for discharge lamps in the memory element of the TOE. As a result, even with newly developed lamps, the old ECGs can continue to be used, which makes it possible to switch to new lamps very cost-effectively.

Landscapes

  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
  • Circuit Arrangements For Discharge Lamps (AREA)
  • Inorganic Insulating Materials (AREA)
  • Discharge Lamp (AREA)

Claims (17)

  1. Procédé pour faire fonctionner une lampe à décharge au moyen d'un ballast électronique, dans lequel les paramètres, qui fixent le type de la lampe à décharge, sont, lorsque la lampe fonctionne, détectés par le ballast électronique, en effectuant, dans un mode (3) d'information, le stade de détection du type de la lampe à décharge une fois lors de la première mise en service de la lampe, en mémorisant le type de lampe au moyen de valeurs des paramètres de manière à ce qu'à chaque autre mise en circuit de la lampe celle-ci fonctionne avec les valeurs des paramètres qui ont été fixées dans le mode d'information, caractérisé en ce que on peut influer sur les valeurs des paramètres par une interface disposée dans le ballast électronique.
  2. Procédé suivant la revendication 1, dans lequel on mémorise dans le ballast électronique si on est passé par un mode d'information (2).
  3. Procédé suivant l'une des revendications précédentes, dans lequel on peut constater le type de la lampe à décharge au moyen d'une tension de décharge et/ou d'une élévation de la tension de décharge mesurable (5).
  4. Procédé suivant l'une des revendications précédentes, dans lequel on fait fonctionner la lampe avec le courant le plus petit des courants de lampe maximum admissibles et/ou avec la puissance maximum la plus petite (10).
  5. Procédé suivant l'une des revendications précédentes, dans lequel on mémorise les paramètres pour faire fonctionner la lampe à décharge dans le ballast électronique (7).
  6. Procédé suivant l'une des revendications précédentes, dans lequel on utilise le procédé pour distinguer des lampes à décharge contenant du Hg et des lampes à décharge qui en sont exemptes.
  7. Ballast électronique (EVG) pour une lampe à décharge, comprenant un microdispositif de commande conçu pour détecter les paramètres qui fixent (6) le type de la lampe à décharge, dans lequel le microdispositif de commande est conçu pour effectuer un programme en mode d'information lors de la première mise en circuit de la lampe (3), programme par lequel le type de la lampe à décharge peut être fixé, le ballast électronique comportant en outre un élément de mémoire pour la mémorisation d'au moins un premier bit pour indiquer que l'on est passé par un mode d'information et d'un deuxième bit pour indiquer le type de la lampe, caractérisé en ce que le ballast électronique comporte, pour la lecture des bits mémorisés dans l'élément de mémoire, une interface de communication, qui est conçue pour influer sur les bits mémorisés dans l'élément de mémoire.
  8. Ballast électronique suivant la revendication 7, dans lequel les bits sont mémorisés dans l'élément de mémoire pendant le mode d'information (7).
  9. Ballast électronique suivant la revendication 7, dans lequel l'élément de mémoire est une mémoire de lecture/écriture.
  10. Ballast électronique suivant la revendication 7, dans lequel le microdispositif de commande est conçu pour lire les bits dans la mémoire et la lampe à décharge pour fonctionner avec les paramètres fixés par le deuxième bit, si le premier bit indique que l'on est passé par un mode d'information (10).
  11. Ballast électronique suivant l'une des revendications 7 à 10, dans lequel le ballast électronique est conçu en outre pour faire fonctionner des lampes contenant du Hg et/ou des lampes n'en contenant pas.
  12. Ballast électronique suivant la revendication 11, dans lequel le ballast électronique est dimensionné pour faire fonctionner des lampes à décharge ne contenant pas de Hg.
  13. Ballast électronique suivant l'une des revendications précédentes, dans lequel le ballast électronique comporte un dispositif d'alimentation du ballast électronique en une tension d'alimentation, par lequel le ballast électronique peut être monté sans tension.
  14. Ballast électronique suivant la revendication 13, dans lequel le dispositif est conçu en outre pour influer, lors de la déconnection complète en tension du ballast électronique, sur les bits mémorisés dans l'élément de mémoire, notamment pour les écraser et/ou les effacer.
  15. Ballast électronique suivant l'une des revendications 7 à 14, dans lequel le ballast électronique comporte en outre un élément formant capteur, qui constate une tension de décharge et/ou une élévation de la tension de décharge de la lampe à décharge (5).
  16. Ballast électronique suivant la revendication 15, dans lequel le microdispositif de commande est conçu en outre pour détecter le type de la lampe à décharge sur la base d'une tension de décharge constatée par le capteur et/ou d'une élévation de la tension de décharge constatée par le capteur (6).
  17. Ballast électronique suivant l'une des revendications 7 à 16, dans lequel le ballast électronique excite la lampe à décharge dans le mode d'information par le courant le plus petit des courants de lampe maximum admissibles et/ou à la puissance maximum la plus petite.
EP08716808.4A 2007-02-19 2008-02-12 Ballast électronique universel pour faire fonctionner des lampes à décharge avec et sans mercure Active EP2123133B2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007008148A DE102007008148A1 (de) 2007-02-19 2007-02-19 Universal-EVG zum Betrieb Hg-freier und Hg-haltiger D-Lampen
PCT/EP2008/051663 WO2008101836A1 (fr) 2007-02-19 2008-02-12 Ballast électronique universel pour faire fonctionner des lampes à décharge avec et sans mercure

Publications (3)

Publication Number Publication Date
EP2123133A1 EP2123133A1 (fr) 2009-11-25
EP2123133B1 EP2123133B1 (fr) 2011-04-06
EP2123133B2 true EP2123133B2 (fr) 2016-01-13

Family

ID=39496570

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08716808.4A Active EP2123133B2 (fr) 2007-02-19 2008-02-12 Ballast électronique universel pour faire fonctionner des lampes à décharge avec et sans mercure

Country Status (8)

Country Link
US (1) US8344649B2 (fr)
EP (1) EP2123133B2 (fr)
KR (1) KR101591298B1 (fr)
CN (1) CN101578925B (fr)
AT (1) ATE505062T1 (fr)
DE (2) DE102007008148A1 (fr)
TW (1) TW200838365A (fr)
WO (1) WO2008101836A1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008016753A1 (de) * 2008-03-31 2009-10-01 Tridonicatco Schweiz Ag Erkennung des Typs einer Hochdruck (HID)-Entladungslampe
DE102008053624A1 (de) * 2008-10-29 2010-05-27 Osram Gesellschaft mit beschränkter Haftung Lampe/EVG-System mit definiertem Betriebsparameter
DE102008059493A1 (de) 2008-11-28 2010-06-10 Osram Gesellschaft mit beschränkter Haftung Integrierte Gasentladungslampe
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
DE102010042887A1 (de) * 2010-10-25 2012-04-26 Bag Engineering Gmbh Verfahren und Vorrichtung zum Festlegen von zumindest einem Dimmparameter für eine, an einem Multilampen-Betriebsgerät angeschlossene Hochdruck (HID)-Entladungslampe mit vorgegebener Nennleistung
DE102011081211B4 (de) 2011-08-18 2013-03-07 Osram Ag Schaltungsanordnung und Verfahren zum alternativen Betreiben entweder einer Hochdruckentladungslampe oder mindestens einer Halbleiterlichtquellenlampe
US20130293110A1 (en) * 2012-05-04 2013-11-07 Robert Bosch Gmbh Ballast with monitoring
JP6391997B2 (ja) * 2014-06-06 2018-09-19 株式会社オーク製作所 発信機を備えた放電ランプおよびその光源装置
US9363863B2 (en) 2014-06-12 2016-06-07 Biozone Scientific International, Inc. Electromagnetic radiation emitter identification apparatus and associated methods

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DE102004008806A1 (de) † 2004-02-20 2005-09-08 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Verfahren zum Betreiben von Lampen an einem Elektronischen Vorschaltgerät und Elektronisches Vorschaltgerät
DE102004061294A1 (de) † 2004-12-20 2006-06-22 Tridonicatco Gmbh & Co. Kg Verfahren zur Programmierung eines Betriebsgerätes für Leuchtmittel

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US5600211A (en) * 1994-09-16 1997-02-04 Tridonic Bauelemente Gmbh Electronic ballast for gas discharge lamps
DE19530485A1 (de) 1995-08-18 1997-02-20 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Verfahren und Schaltungsanordnung zum Betreiben einer elektrischen Lampe
DE19850441A1 (de) * 1998-10-27 2000-05-11 Trilux Lenze Gmbh & Co Kg Verfahren und Vorschaltgerät zum Betrieb einer mit einer Leuchtstofflampe versehenen Leuchte
JP2003249392A (ja) * 2002-02-22 2003-09-05 Mitsubishi Electric Corp 放電灯点灯装置
WO2005060320A1 (fr) * 2003-12-11 2005-06-30 Koninklijke Philips Electronics, N.V. Ballast electronique avec determination de type lampe

Patent Citations (2)

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Publication number Priority date Publication date Assignee Title
DE102004008806A1 (de) † 2004-02-20 2005-09-08 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Verfahren zum Betreiben von Lampen an einem Elektronischen Vorschaltgerät und Elektronisches Vorschaltgerät
DE102004061294A1 (de) † 2004-12-20 2006-06-22 Tridonicatco Gmbh & Co. Kg Verfahren zur Programmierung eines Betriebsgerätes für Leuchtmittel

Also Published As

Publication number Publication date
DE502008003098D1 (de) 2011-05-19
CN101578925A (zh) 2009-11-11
TW200838365A (en) 2008-09-16
EP2123133B1 (fr) 2011-04-06
KR101591298B1 (ko) 2016-02-03
CN101578925B (zh) 2013-01-16
US20100033107A1 (en) 2010-02-11
DE102007008148A1 (de) 2008-08-21
ATE505062T1 (de) 2011-04-15
EP2123133A1 (fr) 2009-11-25
WO2008101836A1 (fr) 2008-08-28
US8344649B2 (en) 2013-01-01
KR20090115757A (ko) 2009-11-05

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