EP2138013B1 - Lampe à lumière mixte - Google Patents

Lampe à lumière mixte Download PDF

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Publication number
EP2138013B1
EP2138013B1 EP08735160A EP08735160A EP2138013B1 EP 2138013 B1 EP2138013 B1 EP 2138013B1 EP 08735160 A EP08735160 A EP 08735160A EP 08735160 A EP08735160 A EP 08735160A EP 2138013 B1 EP2138013 B1 EP 2138013B1
Authority
EP
European Patent Office
Prior art keywords
mixed light
light lamp
pulse generator
lamp according
spiral pulse
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.)
Not-in-force
Application number
EP08735160A
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German (de)
English (en)
Other versions
EP2138013A1 (fr
Inventor
Andreas Kloss
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.)
Osram GmbH
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Osram GmbH
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Publication date
Application filed by Osram GmbH filed Critical Osram GmbH
Publication of EP2138013A1 publication Critical patent/EP2138013A1/fr
Application granted granted Critical
Publication of EP2138013B1 publication Critical patent/EP2138013B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/02—Details
    • H05B41/04—Starting switches
    • H05B41/042—Starting switches using semiconductor devices

Definitions

  • the invention is based on a mixed light lamp according to the preamble of claim 1.
  • Such mixed light lamps can be used in particular for general lighting.
  • mixed light lamps are off WO 2005027588 known. Your ignition will be in US 4316124 treated.
  • Mixed light lamps are characterized by the series connection of a high-pressure discharge lamp and an incandescent lamp.
  • the incandescent lamp By means of the incandescent lamp, light is generated immediately after the ignition of the lamp and at the same time the current limit necessary for the high-pressure discharge lamp is realized.
  • Such an arrangement can be operated directly on the mains voltage supply without additional ballasts.
  • Implementing a rectification and smoothing ( WO 2005027588 . US 4316124 ), so high pressure discharge lamps can be operated with metal halide.
  • Discharge lamps with low ignition voltage have a third internal ignition electrode, which is connected via a resistor ( US 4316124 ).
  • a resistor US 4316124
  • Such a structure is very difficult or impossible for ceramic discharge lamps.
  • Such lamps require an external ignition device ( WO 2005027588 ).
  • the disadvantage of this is that the leads must be designed high voltage resistant.
  • the object of the present invention is to provide a mixed light lamp which provides instant light while achieving a relatively high efficiency.
  • a mixed light lamp is a combined incandescent and discharge lamp. That is, it has a discharge vessel and a luminous body.
  • Previous mixed light lamps use as a discharge vessel preferably a pure high-pressure mercury discharge lamp.
  • the entire lamp is housed in a festooned with fluorescent elliptical outer bulb.
  • the helix typically made of tungsten, emits light immediately after switching on. It also takes over the function of the current-limiting ballast.
  • the mercury high-pressure discharge increasingly takes over part of the light generation with the evaporation of the mercury and together with the phosphor of the outer bulb.
  • Such a structure has hitherto been limited to the use of high-pressure mercury discharge lamps with relatively low luminous efficiency and poor color rendering, because only such discharge vessels, with auxiliary electrode and without further ignition devices ignite at 230 V mains voltage.
  • a metal halide lamp is used as a discharge vessel in mixed light lamps, as in WO 2005/027588 explained.
  • the mixed light lamp typically also includes a rectifier, a charging capacitor and an ignitor.
  • the ignitor is included WO 2005/027588 designed so that it has a current limiting resistor, a Zener diode, a capacitor and a coil, that is a traditional ignition circuit.
  • a mixed light lamp based on a metal halide lamp together with a ceramic spiral pulse generator as igniter.
  • a ceramic spiral pulse generator as igniter.
  • the diodes preferably have to be implemented in SiC technology and the capacitors as ceramic capacitors with a high dielectric constant. This is preferably evacuated.
  • the outer bulb is frosted, but he no longer needs a phosphor layer.
  • the spiral pulse generator enables and ensures the ignition of the metal halide lamp.
  • the spiral pulse generators generally consist of two conductors of approximately equal length wound up as a spiral, see FIG. 1 , This means that each conductor has approximately the same number of turns. Such a structure is required to use the vector inversion principle.
  • the spiral pulse generator used now is in particular a so-called. LTCC component or HTCC component.
  • the LTCC material is a special ceramic that can be tempered up to 600 ° C.
  • LTCC has already been used in connection with lamps, see US 2003/0001519 and US Pat. No. 6,853,151 , However, it has been used for quite different purposes in practically barely temperature loaded lamps, with typical temperatures below 100 ° C.
  • the spiral pulse generator is a component that combines the properties of a capacitor with those of a waveguide to produce ignition pulses with a voltage of at least 1.5 kV.
  • Two ceramic "green films" with metallic conductive paste are used for the production printed and then offset wound into a spiral and finally isostatically pressed into a shaped body.
  • the following co-sintering of the metal paste and ceramic film takes place in air in the temperature range between 800 and 900 ° C. This processing allows a range of application of the spiral pulse generator up to 700 ° C temperature load.
  • the spiral pulse generator can be accommodated in the immediate vicinity of the discharge vessel in the outer bulb, but also in the base or in the immediate vicinity of the lamp.
  • spiral pulse generator can also be used for other applications, because it is not only high temperature stable, but also extremely compact.
  • the spiral pulse generator is designed as an LTCC component, consisting of ceramic foils and metallic conductive paste.
  • the spiral should have at least 5 turns.
  • an ignition unit which furthermore comprises at least one charging resistor and a switch.
  • the switch can be a spark gap or a Diac in SiC technology.
  • the accommodation in the outer bulb is preferred. Because this eliminates the need for a high voltage resistant voltage supply.
  • a spiral pulse generator can be dimensioned so that the high-voltage pulse even allows a hot re-ignition of the lamp.
  • the large pulse width also facilitates the breakdown in the discharge volume.
  • any conventional glass can be used, ie in particular tempered glass, Vycor or quartz glass.
  • the choice of filling is subject to no particular restriction.
  • FIG. 1 shows the structure of a spiral pulse generator 1 in plan view. It consists of a ceramic cylinder 2, in which two different metallic conductors 3 and 4 are spirally wrapped as a film strip.
  • the cylinder 2 is hollow inside and has a given inner diameter ID.
  • the two inner contacts 6 and 7 of the two conductors 3 and 4 are approximately opposite and are connected to each other via a spark gap 5.
  • the spiral pulse generator is either wound from two ceramic paste-coated ceramic foils or built up from two metal foils and two ceramic foils.
  • An important parameter is the number n of turns, which should preferably be in the order of 5 to 100.
  • This winding assembly is then laminated and then sintered, creating an LTCC component.
  • the thus created spiral pulse generators with capacitor property are then connected with a spark gap and a charging resistor.
  • the spark gap can be located at the inner or the outer terminals or even within the winding of the generator.
  • the Puls initiated preferably a spark gap can be used.
  • a ceramic film in particular a ceramic tape such as Heratape CT 707 or preferably CT 765 or a mixture of both, respectively from Heraeus, is preferably used as the dielectric. It has a thickness of the green film of typically 50 to 150 microns.
  • Ag conductive paste such as "Cofirable Silver", also from Heraeus, is used as the conductor.
  • CT 700 from Heraeus. Good results are also provided by the metal paste 6142 from DuPont. These parts are easy to laminate and then burnout and sintering together (co-firing).
  • the ID of the Spiral Pulse Generator is 10 mm.
  • the width of the individual strips is also 10 mm.
  • the film thickness is 50 ⁇ m and also the thickness of the two conductors is 50 ⁇ m in each case.
  • FIG. 2 is a spiral pulse generator shown for high ignition voltages.
  • the invention develops very special advantages in combination with high-pressure discharge lamps which contain no mercury. Such lamps are particularly desirable for environmental reasons. It contains a suitable metal halide fill and, in particular, a noble gas such as xenon under high pressure. Because of the lack of mercury, the ignition voltage is particularly high. It is more than 20 kV. Currently trying to accommodate the components of the ignition unit in the base. A spiral pulse generator with built-in charging resistor can either be housed in the base of the mercury-free lamp or in an outer bulb of the lamp.
  • the spiral pulse generator for generating the high voltage of, for example, 20 kV preferably has two integrated generators in a single LTCC spiral or another highly heat-resistant material. Since a single generator, which is to generate a high-voltage pulse of eg 20 kV, would have to have a larger outer diameter than the outer diameter of the outer bulb of the lamp, two generators are used in push-pull mode ( FIG. 2 ). In this case, two charging resistors R1 and R2 and a switch Sch are used in the form of a spark gap. The two spiral generators acting on the lamp L are designated SG1 and SG2. This principle is basically out US Pat. No. 4,608,521 known. There, however, two separate generators are used.
  • the two generators are now integrated as a single LTCC spiral 29 with two "stacked" conductor planes and possibly a possible shield between them ( FIG. 3 ).
  • the two ceramic foils 31 and 32 are each a wound-up band and typically have a width a of 10 to 50 mm and now simultaneously contain three metallic layers which run parallel to one another.
  • the first spiral generator SG1 is in each case formed by a first wide layer 33 (typical width b is 3 to 20 mm) of the two films.
  • the second spiral generator SG2 is formed by a second similar layer 34 of similar width d.
  • a shield in the form of a narrow metallic band 35 (typical width c is 1 to 5 mm) is optionally applied between the two layers 33 and 34 as an option.
  • This double ceramic film 31, 32 is wound up to 100 times, wherein the inner diameter ID of the resulting hollow cylinder is typically 10 to 50 mm.
  • the invention develops very special advantages in combination with discharge vessels which contain no mercury.
  • Such lamps are for environmental reasons especially desirable. They contain a suitable metal halide filling and in particular a noble gas such as xenon under high pressure. Because of the lack of mercury, the ignition voltage is particularly high. It is more than 20 kV.
  • a spiral pulse generator with built-in charging resistor can either be housed in the base of the mercury-free lamp or in an outer bulb of the lamp.
  • FIG. 4 shows the principle of the novel mixed light lamp.
  • a voluminous outer bulb 30 is simultaneously an incandescent lamp 31, in particular a halogen incandescent lamp, or even housed only a coil. It is connected to a first socket contact 28.
  • ignition device 32 In series therewith is accommodated as ignition device 32, a structural unit consisting of a spiral pulse generator, preferably a double-pulse spiral pulse generator, which is combined with a spark gap 33 or a similar short-circuit switch and a charging resistor 34. Both parts can be integrated into the spiral pulse generator, so that a particularly compact structural unit is created.
  • the other end of the spiral pulse generator is connected to an electrode of the discharge vessel, in particular a metal halide lamp.
  • a 150 halogen incandescent lamp is suitable in combination with a ceramic metal halide lamp 35 W.
  • FIG. 5 shows the basic structure of a rectified mixed light lamp.
  • a rectifier 45 and a charging capacitor 46 between the lamp contacts 28, 38, which lead to the mains input, and the bulb 31 is introduced.
  • the full-bridge rectifier 45 is located between the mains input and the intermediate circuit voltage. Its positive input is connected to the supply voltage, its negative input to ground.
  • the charging capacitor generates a DC link voltage between ground and supply voltage.

Landscapes

  • Discharge Lamps And Accessories Thereof (AREA)
  • Circuit Arrangements For Discharge Lamps (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)

Claims (13)

  1. Lampe à lumière mixte comprenant une ampoule ( 30 ) extérieure, dans laquelle sont logés en série un filament et une enceinte de décharge, l'enceinte de décharge ayant un remplissage à halogénure métallique, un redresseur ( 45 ), un moyen ( 46 ) d'emmagasinage d'énergie et un appareil ( 32 ) d'amorçage étant associés, en outre, à la lampe, caractérisée en ce que l'appareil d'amorçage comporte un générateur d'impulsions en spirale, qui est logé directement dans l'ampoule extérieure.
  2. Lampe à lumière mixte suivant la revendication 1, caractérisée en ce que le générateur d'impulsions en spirale est un générateur d'impulsions doubles.
  3. Lampe à lumière mixte suivant la revendication 1, caractérisée en ce que l'appareil d'amorçage comporte un commutateur de court-circuit et une résistance de charge.
  4. Lampe à lumière mixte suivant la revendication 1, caractérisée en ce que l'appareil d'amorçage comporte un redresseur et un accumulateur d'énergie.
  5. Lampe à lumière mixte suivant la revendication 3, caractérisée en ce que le commutateur est un éclateur à étincelles.
  6. Lampe à lumière mixte suivant la revendication 1, caractérisée en ce que le moyen d'emmagasinage d'énergie est une résistance de charge qui est intégrée au générateur d'impulsions en spirale.
  7. Lampe à lumière mixte suivant la revendication 6, caractérisée en ce que le condensateur de charge est un condensateur classique.
  8. Lampe à lumière mixte suivant la revendication 6, caractérisée en ce que le condensateur de charge est formé en enroulant, ensemble avec la première feuille céramique, un deuxième conducteur métallique sur une deuxième feuille céramique enroulée en spirale, la longueur enroulée de la deuxième feuille céramique étant plus courte d'au moins deux spires que la longueur enroulée de la première feuille céramique.
  9. Lampe à lumière mixte suivant la revendication 1, caractérisée en ce que le dispositif d'amorçage est fixé dans l'ampoule extérieure par une monture.
  10. Lampe à lumière mixte suivant la revendication 1, caractérisée en ce que la haute tension fournit par le générateur d'impulsions en spirale agit directement sur deux électrodes dans l'enceinte de décharge.
  11. Lampe à lumière mixte suivant la revendication 1, caractérisée en ce que la tension fournie par le générateur d'impulsions en spirale agit sur une électrode auxiliaire d'amorçage mise à l'extérieur sur l'enceinte de décharge.
  12. Lampe à lumière mixte suivant la revendication 1, caractérisée en ce que la constante e diélectrique du générateur d'impulsions en spirale est d'au moins e = 10.
  13. Lampe à lumière mixte suivant la revendication 1, caractérisée en ce que dans l'ampoule extérieure est logée en outre une résistance série qui limite le courant de charge du générateur d'impulsions en spirale.
EP08735160A 2007-04-13 2008-04-10 Lampe à lumière mixte Not-in-force EP2138013B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007017497A DE102007017497A1 (de) 2007-04-13 2007-04-13 Mischlichtlampe
PCT/EP2008/002852 WO2008125277A1 (fr) 2007-04-13 2008-04-10 Lampe à lumière mixte

Publications (2)

Publication Number Publication Date
EP2138013A1 EP2138013A1 (fr) 2009-12-30
EP2138013B1 true EP2138013B1 (fr) 2011-03-02

Family

ID=39683924

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08735160A Not-in-force EP2138013B1 (fr) 2007-04-13 2008-04-10 Lampe à lumière mixte

Country Status (7)

Country Link
US (1) US20100134009A1 (fr)
EP (1) EP2138013B1 (fr)
JP (1) JP2010524182A (fr)
CN (1) CN101658069A (fr)
AT (1) ATE500712T1 (fr)
DE (2) DE102007017497A1 (fr)
WO (1) WO2008125277A1 (fr)

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1087933A (en) 1963-10-10 1967-10-18 Atomic Energy Authority Uk Improvements in or relating to electrical pulse generators
NL7809907A (nl) 1978-10-02 1980-04-08 Philips Nv Menglichtinrichting.
US4350930A (en) * 1979-06-13 1982-09-21 General Electric Company Lighting unit
US4297616A (en) * 1980-03-17 1981-10-27 Xerox Corporation Fluorescent lamp with incandescent ballasting systems
US4379982A (en) * 1980-10-02 1983-04-12 Gte Laboratories Incorporated Low energy starting aid for high intensity discharge lamps
US4325004A (en) 1980-10-02 1982-04-13 Gte Laboratories Incorporated Method and apparatus for starting high intensity discharge lamps
US4353012A (en) 1981-04-24 1982-10-05 Gte Laboratories Incorporated Pulse injection starting for high intensity discharge metal halide lamps
US4721888A (en) * 1984-12-27 1988-01-26 Gte Laboratories Incorporated Arc discharge lamp with ultraviolet enhanced starting circuit
US4608521A (en) 1984-12-27 1986-08-26 Gte Laboratories Incorporated Dual spiral line generator method and apparatus for starting low wattage high intensity discharge lamps
US4724362A (en) * 1985-12-23 1988-02-09 Gte Products Corporation High frequency lamp igniter using a spiral line pulse generator in combination with a series inductor-switch circuit
DE69818430D1 (de) * 1997-12-16 2003-10-30 Koninkl Philips Electronics Nv Hochdruckentladungslampe
WO2002097842A2 (fr) 2001-05-29 2002-12-05 Fusion Lighting, Inc. Lampe monobloc a intensite elevee et sans electrode
US6853151B2 (en) 2002-11-19 2005-02-08 Denovo Lighting, Llc LED retrofit lamp
CN1853449A (zh) 2003-09-18 2006-10-25 皇家飞利浦电子股份有限公司 混合发光灯
DE102005061832A1 (de) 2005-12-23 2007-06-28 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Hochdruckentladungslampe mit verbesserter Zündfähigkeit sowie Hochspannungspulsgenerator
DE102005061831A1 (de) 2005-12-23 2007-06-28 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Hochdruckentladungslampe mit verbesserter Zündfähigkeit
DE102006026749A1 (de) 2006-06-08 2007-12-13 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Hochdruckentladungslampe mit verbesserter Zündfähigkeit sowie Hochspannungspulsgenerator
DE102006026750A1 (de) * 2006-06-08 2007-12-13 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Hochdruckentladungslampe mit verbesserter Zündfähigkeit sowie Hochspannungspulsgenerator
DE102006058538A1 (de) * 2006-12-12 2008-06-19 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Zündvorrichtung für eine Hochdruckentladungslampe und Hochdruckentladungslampe mit Zündvorrichtung

Also Published As

Publication number Publication date
EP2138013A1 (fr) 2009-12-30
CN101658069A (zh) 2010-02-24
US20100134009A1 (en) 2010-06-03
DE502008002735D1 (de) 2011-04-14
WO2008125277A1 (fr) 2008-10-23
ATE500712T1 (de) 2011-03-15
JP2010524182A (ja) 2010-07-15
DE102007017497A1 (de) 2008-10-16

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