EP0741503B1 - Procédé et circuit d'opération des lampes à décharge à haute pression - Google Patents

Procédé et circuit d'opération des lampes à décharge à haute pression Download PDF

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Publication number
EP0741503B1
EP0741503B1 EP96106498A EP96106498A EP0741503B1 EP 0741503 B1 EP0741503 B1 EP 0741503B1 EP 96106498 A EP96106498 A EP 96106498A EP 96106498 A EP96106498 A EP 96106498A EP 0741503 B1 EP0741503 B1 EP 0741503B1
Authority
EP
European Patent Office
Prior art keywords
lamp
power supply
supply unit
power
circuit arrangement
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.)
Expired - Lifetime
Application number
EP96106498A
Other languages
German (de)
English (en)
Other versions
EP0741503A1 (fr
Inventor
Wolfgang Prof.Dr. Heering
Peter Dipl.-Ing. Schwarz
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.)
Eta Plus Electronic GmbH and Co KG
Original Assignee
Eta Plus Electronic GmbH and Co KG
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Filing date
Publication date
Application filed by Eta Plus Electronic GmbH and Co KG filed Critical Eta Plus Electronic GmbH and Co KG
Publication of EP0741503A1 publication Critical patent/EP0741503A1/fr
Application granted granted Critical
Publication of EP0741503B1 publication Critical patent/EP0741503B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • H05B41/26—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
    • H05B41/282—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
    • H05B41/285—Arrangements for protecting lamps or circuits against abnormal operating conditions
    • H05B41/2858—Arrangements for protecting lamps or circuits against abnormal operating conditions for protecting the lamp against abnormal operating conditions
    • 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
    • H05B41/38—Controlling the intensity of light
    • H05B41/40—Controlling the intensity of light discontinuously
    • H05B41/42—Controlling the intensity of light discontinuously in two steps only
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S315/00—Electric lamp and discharge devices: systems
    • Y10S315/04—Dimming circuit for fluorescent lamps

Definitions

  • the invention relates to a method for operating a high-pressure gas discharge lamp in different operating modes, one of which is the first Operation at rated power and a second operation at compared to Nominal output corresponds to reduced output.
  • the invention also relates to a circuit arrangement for performing this method.
  • the high-pressure gas discharge lamp operated with mains frequency in all operating modes because the conventional Ballasts, which are usually a choke, a transducer or contain a stray field transformer, at their output the same frequency as at their input, which is connected to the network.
  • the conventional Ballasts which are usually a choke, a transducer or contain a stray field transformer, at their output the same frequency as at their input, which is connected to the network.
  • a reduction in lamp power to less than about 40% of the nominal power is not possible without the life of the lamp to diminish.
  • the invention is therefore based on the object of a method of the beginning to create the type mentioned, which makes it possible without reducing the lifespan the lamp also with an output below 40% of the nominal output to be able to operate.
  • This task is solved by a method with the characteristics of Claim 1.
  • the lamp only in the range of nominal power or predominantly with mains frequency energy can also be used for services below 25% of the nominal output Realize stable, lamp-friendly operation.
  • a company with less than 25% The nominal power is advantageous, for example, when using the lamp a substrate is irradiated for the purpose of drying and temporarily the Drying process must be interrupted. But also for the sake of Energy saving may be desirable if a standby mode High pressure gas discharge lamp with low power is possible.
  • the lamp power is preferably on a Value held between 10% and 15%.
  • the energy consumption and the radiation power are then reduced accordingly. Still, in a very short time Time the lamp can be brought back to its nominal power.
  • the lamp power is at a minimum value of a few Percent of the nominal power, for example 1-5%, is kept.
  • the lamp current is advantageously regulated to ensure that a lamp-friendly arc discharge with hot focal spots is always on on the electrodes is guaranteed, which is also a lamp-friendly Operation contributes to the disappearance of re-ignition peaks, which also be avoided.
  • the invention is also based on the object of a circuit arrangement for To carry out the method according to the invention. This task solves a circuit arrangement with the features of claim 10.
  • ballasts It is easily possible to operate both ballasts at the same time, if care is taken to ensure that mutual interference is eliminated will. This is easily possible by having the two Separates ballasts on the output side by at least one filter.
  • a separation for example, isolating chokes, isolating capacitors, Low pass filter or resonant circuits in question.
  • the lamp can only be operated selectively on a conventional ballast or is only desired on the electronic ballast, one can Switchover device provide switching from one to the other Ballast allows without the arc discharge during the switching process goes out.
  • the electronic ballast a device for controlling the variable frequency and / or Regulation of the current or power supplied to the lamp.
  • This device is to an encoder for the actual value the current supplied by the electronic ballast to the lamp and connected an encoder for its output voltage.
  • a variable output frequency of the electronic ballast can be easily achieved using a converter.
  • a drying device for printed webs is used on the one hand a separating choke 2 and on the other hand directly with one or the other Output 3 of a conventional ballast 4 connected, for example contains a choke, a transducer or a stray field transformer.
  • the conventional ballast 4 is in operation with the 50 or 60 Hz low voltage network connected.
  • a capacitor 5 serving as a filter is connected, for those of higher frequency Currents which are not completely suppressed by the isolating choke 2 short circuit.
  • the lamp 2 is on the other hand with the interposition of a separation capacitor 6 and a resonant circuit, which consists of a circuit choke 7 and a resonant circuit capacitor 8, on the secondary side of one Transformer 9 connected.
  • a separation capacitor 6 which consists of a circuit choke 7 and a resonant circuit capacitor 8, on the secondary side of one Transformer 9 connected.
  • the primary side of the transformer 9 is at the output of an inverter 10 connected to a variable output frequency and a variable Has output voltage.
  • the inverter 10 is connected to one Bridge rectifier 11 connected, which is in operation with the 50Hz low voltage network connected is.
  • a 12V power supply unit can also be connected to this network, which consumes the energy provides for the operation of a control device 13, by means of which the output frequency of the inverter 10 in a range between 50 and 200 kHz and its output voltage and output current is adjustable.
  • This Control unit 13 is connected to an encoder 14 for the actual value of the current of lamp 1 and to a voltage transmitter 15 for the output voltage of the transformer 9 connected.
  • the bridge rectifier 11, the inverter 10 with its control device 13 and its power supply 12 and the transformer 9 form an electronic Ballast 16, the operating frequency in the embodiment 100 kHz. Therefore, the resonance frequency is in the embodiment consisting of the resonant circuit choke 7 and the resonant circuit capacitor 8 Resonant circuit 80 kHz. Thanks to this resonant circuit, the isolating capacitor 6, the isolating choke 2 and the capacitor 5 interfere with the conventional Ballast 8 and the electronic ballast 16 are not mutually. They can therefore be operated simultaneously.
  • the electronic ballast When the lamp 1 is operated at its nominal power, the electronic ballast is controlled so that essentially all of the energy is supplied by the conventional ballast 4. If, for example, because of a shorter interruption in the transport of the substrate to be dried, the power of the lamp 1 is to be reduced to such an extent that the substrate does not suffer any damage, even if it is exposed to the radiation from the lamp 1 for a prolonged period, then an upper standby operating point is approached , in which the power of the lamp 1 is reduced to approximately 10% of the nominal power. In this operating mode, the lamp 1 receives its energy essentially from the electronic ballast 16, that is to say in the exemplary embodiment at a frequency of 100 kHz.
  • the lamp 1 is operated gently, ie it burns stably with hot focal spots on its electrodes. Re-ignition peaks do not occur.
  • the output power of the electronic ballast 16 need only be designed for this reduced lamp power. If the full lamp power is required again, the conventional ballast 4 is made fully effective again. This will bring the lamp to full power in three to five seconds.
  • a lower standby point can be reached, in which the lamp only still a power of a few percent of the nominal power, in the embodiment 1.5% of the nominal power.
  • the Lamp 1 also operated gently because of the electronic ballast 16 supplied current is regulated so that hot focal spots are maintained will.
  • the lamp 1 is in the lower standby point both the emitted radiation power and the energy consumption extremely low. This operating mode does not shorten the lifespan.
  • the lamp 1 is only from the electronic ballast 16 fed.
  • the nominal power can be in the time required when the lamp is switched on can be reached again.
  • the electronic ballast 16 alone needs or made effective together with the conventional ballast 4 will. Then when the lamp 1 burns stably, the electronic ballast can 16 can be switched off again.

Landscapes

  • Circuit Arrangements For Discharge Lamps (AREA)

Claims (17)

  1. Procédé de fonctionnement d'une lampe à décharge à haute pression dans différents modes de service, parmi lesquels un premier mode avec une puissance nominale et un deuxième mode avec une puissance plus faible que la puissance nominale, et dans le premier mode de service, la lampe (1) fonctionne au moins en grande partie avec l'énergie à basse fréquence fournie par un régulateur de puissance classique (4) et, dans le deuxième mode de service, ladite lampe fonctionne au moins en grande partie avec l'énergie à plus haute fréquence fournie par un régulateur de puissance électronique (16), caractérisé en ce que la lampe (1) peut être connectée en même temps aux deux régulateurs de puissance (4, 16), en ce que la puissance électrique fournie par le régulateur de puissance électronique (16) à la lampe (1) est régulée et maintenue à une valeur égale à moins de 25 % de la puissance nominale.
  2. Procédé selon la revendication 1, caractérisé en ce que la puissance de la lampe dans le deuxième mode de service est maintenue à une valeur comprise entre 10 % et 20 % de la puissance nominale, de préférence entre 10 % et 15 %.
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce que, dans un troisième mode de service, la puissance de la lampe est maintenue à une valeur minimale égale à quelques pour-cent de la puissance nominale.
  4. Procédé selon la revendication 3, caractérisé en ce que le courant de la lampe est régulé dans le troisième mode de service.
  5. Procédé selon la revendication 4, caractérisé en ce que, dans le troisième mode de service, le courant de la lampe est maintenu à une valeur qui garantit encore la présence de foyers brûlants sur les électrodes de la lampe et une disparition des pics de rallumage.
  6. Procédé selon l'une quelconque des revendications 1 à 5, caractérisé en ce que, la lampe, fonctionnant dans le deuxième mode de service agissant comme mode standby supérieur ou dans le troisième mode de service agissant comme mode standby inférieur, peut passer en un intervalle de temps court à la puissance nominale avec une émission intégrale des radiations, grâce à la mise en circuit de l'énergie à basse fréquence fournie par le régulateur de puissance classique.
  7. Procédé selon la revendication 6, caractérisé en ce que la lampe en mode standby supérieur atteint en moins de 10 secondes, de préférence entre 3 et 5 secondes, sa puissance nominale.
  8. Configuration d'un circuit destiné à la mise en oeuvre du procédé selon la revendication 1, comprenant une lampe à décharge à haute pression (1) connectée à un régulateur de puissance classique (4), laquelle lampe est aussi ou peut être connectée à un régulateur de puissance électronique (16) avec un circuit oscillant (7, 8), connecté à un convertisseur de fréquence (10) avec une fréquence de sortie variable et une tension de sortie variable, dont l'énergie fournie à la lampe (1) a une plus haute fréquence que l'énergie fournie par le régulateur de puissance classique (4), caractérisée en ce que la lampe (1) peut être connectée en même temps aux deux régulateurs de puissance (4, 16).
  9. Configuration d'un circuit selon la revendication 8, caractérisée en ce que les deux régulateurs de puissance (4, 16), du côté de leurs sorties, sont séparés l'un de l'autre par au moins un filtre.
  10. Configuration d'un circuit selon la revendication 9, caractérisée en ce que la lampe (1) est reliée au régulateur de puissance classique (4) par l'intermédiaire d'une bobine d'arrêt de séparation (2) et au régulateur de puissance électronique (16) par l'intermédiaire d'un condensateur de séparation (6).
  11. Configuration d'un circuit selon la revendication 10, caractérisée en ce que la bobine d'arrêt de séparation (2) constitue une partie d'un filtre passe-bas.
  12. Configuration d'un circuit selon l'une quelconque des revendications 9 à 11, caractérisée en ce qu'un circuit oscillant à résonance (7, 8) est connecté entre le condensateur de séparation (6) et la lampe (1).
  13. Configuration d'un circuit selon l'une quelconque des revendications 8 à 12, caractérisée par un dispositif de commutation, qui permet de commuter au choix la lampe (1) d'un mode de service avec le régulateur de puissance classique (4) vers un mode de service avec le régulateur de puissance conventionnel (16) et inversement, sans éteindre la décharge en arc pendant le processus de commutation.
  14. Configuration d'un circuit selon l'une quelconque des revendications 8 à 13, caractérisée par un dispositif (13) du régulateur de puissance électronique (16), destiné à commander la fréquence variable et/ou à réguler le courant ou la puissance acheminés vers la lampe (1).
  15. Configuration d'un circuit selon la revendication 14, caractérisée en ce que le dispositif (13) du régulateur de puissance électronique (16) est connecté à un émetteur (14) pour la valeur réelle du courant fourni à la lampe par le régulateur de puissance électronique (16) et un émetteur (15) pour la tension de sortie du régulateur de puissance électronique (16).
  16. Configuration d'un circuit selon l'une quelconque des revendications 8 à 15, caractérisée en ce que le régulateur de puissance électronique (16) comporte un convertisseur de fréquence (10 ,11).
  17. Configuration d'un circuit selon la revendication 16, caractérisée en ce que le convertisseur de fréquence (10, 11) est monté en aval d'un transformateur (9).
EP96106498A 1995-05-04 1996-04-25 Procédé et circuit d'opération des lampes à décharge à haute pression Expired - Lifetime EP0741503B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19516052A DE19516052A1 (de) 1995-05-04 1995-05-04 Verfahren zum Betreiben einer Hochdruckgasentladungslampe und Schaltungsanordnung zur Durchführung des Verfahrens
DE19516052 1995-05-04

Publications (2)

Publication Number Publication Date
EP0741503A1 EP0741503A1 (fr) 1996-11-06
EP0741503B1 true EP0741503B1 (fr) 1998-06-10

Family

ID=7760858

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96106498A Expired - Lifetime EP0741503B1 (fr) 1995-05-04 1996-04-25 Procédé et circuit d'opération des lampes à décharge à haute pression

Country Status (5)

Country Link
US (1) US5714845A (fr)
EP (1) EP0741503B1 (fr)
DE (2) DE19516052A1 (fr)
DK (1) DK0741503T3 (fr)
ES (1) ES2117462T3 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030052658A1 (en) * 1995-01-11 2003-03-20 Baretich David F. Method and apparatus for electronic power control
US7315151B2 (en) * 1995-01-11 2008-01-01 Microplanet Inc. Method and apparatus for electronic power control
DE19702653A1 (de) * 1997-01-25 1998-07-30 Bosch Gmbh Robert Anordnung zur Leistungsanpassung einer Gasentladungslampe
US6466464B1 (en) * 1999-05-14 2002-10-15 Intel Corporation Method and apparatus for high frequency alternating current power distribution
JP3893042B2 (ja) * 2001-10-26 2007-03-14 松下電器産業株式会社 高圧放電ランプの点灯方法、点灯装置及び高圧放電ランプ装置
JP4202862B2 (ja) * 2003-08-13 2008-12-24 株式会社小糸製作所 放電灯点灯回路
JP2005063820A (ja) * 2003-08-13 2005-03-10 Koito Mfg Co Ltd 放電灯点灯回路
DE102007047511A1 (de) * 2007-10-04 2009-04-09 Zf Friedrichshafen Ag Leistungsverzweigungsgetriebe
ES2364440T3 (es) 2008-02-04 2011-09-02 Uviterno Ag Procedimiento para el funcionamiento de una lámpara uv.
KR101360685B1 (ko) * 2012-05-31 2014-02-10 엘지이노텍 주식회사 대기전력 절감 조명 시스템

Family Cites Families (13)

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Publication number Priority date Publication date Assignee Title
DE1589131B2 (de) * 1967-07-28 1973-10-31 Ceag Dominit Ag, 4600 Dortmund Verfahren zum Betrieb von Leucht stofflampen
US3833817A (en) * 1973-04-16 1974-09-03 Philips Corp Emergency lighting system
US4362971A (en) * 1977-12-30 1982-12-07 Sloan Jr Hiram C Power supply for arc discharge devices
EP0092654A3 (fr) * 1981-04-14 1984-04-18 Siemens Aktiengesellschaft Appareil ballast
DE3149993A1 (de) * 1981-12-17 1983-06-30 CEAG Licht- und Stromversorgungstechnik GmbH, 4600 Dortmund Schaltungsanordnung fuer eine entladunglampe
US4560908A (en) * 1982-05-27 1985-12-24 North American Philips Corporation High-frequency oscillator-inverter ballast circuit for discharge lamps
JPS59198699A (ja) * 1983-04-27 1984-11-10 株式会社日立製作所 高圧放電灯の点灯方法
US4682083A (en) * 1984-10-29 1987-07-21 General Electric Company Fluorescent lamp dimming adaptor kit
US4612478A (en) * 1984-12-19 1986-09-16 Payne Stephen C Dimmer circuit for high intensity discharge lamp
US5270618A (en) * 1987-01-09 1993-12-14 Nilssen Ole K Magnetic-electronic dual-frequency ballast
DE3715162A1 (de) * 1987-05-07 1988-11-17 Bosch Gmbh Robert Schaltungsanordnung zum betrieb einer gasentladungslampe an einer gleichstromquelle
US5099176A (en) * 1990-04-06 1992-03-24 North American Philips Corporation Fluorescent lamp ballast operable from two different power supplies
DE4301184C2 (de) * 1993-01-19 1997-12-18 B & S Elektronische Geraete Gm Steuergerät für wenigstens eine Entladungslampe

Also Published As

Publication number Publication date
DE19516052A1 (de) 1996-11-14
ES2117462T3 (es) 1998-08-01
DE59600262D1 (de) 1998-07-16
DK0741503T3 (da) 1999-03-22
US5714845A (en) 1998-02-03
EP0741503A1 (fr) 1996-11-06

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