EP2138013A1 - Mischlichtlampe - Google Patents
MischlichtlampeInfo
- Publication number
- EP2138013A1 EP2138013A1 EP08735160A EP08735160A EP2138013A1 EP 2138013 A1 EP2138013 A1 EP 2138013A1 EP 08735160 A EP08735160 A EP 08735160A EP 08735160 A EP08735160 A EP 08735160A EP 2138013 A1 EP2138013 A1 EP 2138013A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- mixed light
- lamp according
- pulse generator
- light lamp
- 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.)
- Granted
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
- H05B41/02—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 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. If rectification and smoothing are implemented in the power supply (WO 2005027588, US 4316124), high-pressure discharge lamps with metal halide filling can also be operated in this way.
- Discharge lamps with low ignition voltage have a third internal ignition electrode, which is connected via a resistor (US 4316124). Such a construction 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. This object is achieved by the characterizing features of claim 1.
- 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 efficacy and poor color rendering, because only those discharge vessels, with auxiliary electrode and without further ignitors ignite at 230 V mains voltage.
- a metal halide lamp is used as a discharge vessel in mixed light lamps, as explained in WO 2005/027588.
- the mixed light lamp typically also includes a rectifier, a charging capacitor and an ignitor.
- the ignitor is designed in WO 2005/027588 such that it forms a current-limiting resistor. - A -
- 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 made temperature resistant to 600 0 C.
- LTCC has already been used in connection with lamps, see US 2003/0001519 and US Pat. No. B 6,853,151. However, it has been used for quite different purposes in lamps that are practically barely exposed to temperature, with typical temperatures below 100 ° C.
- the spiral pulse generator in its basic version is a component that combines the properties of a capacitor with those of a waveguide to generate ignition pulses with a voltage of at least 1.5 kV.
- two ceramic "green films" with me- printed conductive 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 0 C. This processing allows a processed application range of the spiral pulse generator to 700 0 C temperature stress.
- 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 basic structure of a spiral pulse generator as already known
- Fig. 2 shows the principle of interconnection for a doubled spiral pulse generator
- FIG. 3 shows the basic structure of a spiral pulse generator with increased ignition voltage.
- Fig. 4 shows the basic structure of a novel mixed light lamp
- Fig. 5 shows the basic structure of a rectified mixed light lamp.
- Figure 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 spiral pulse generators with capacitor properties thus created 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. As a high voltage switch, the If initiated, preferably a spark gap can be used.
- a ceramic film in particular a ceramic strip such as Heratape CT 707 or preferably CT 765 or a mixture of both, in each case 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.
- a concrete example is 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 shows a spiral pulse generator for high ignition voltages.
- the invention has very particular advantages in conjunction with high-pressure discharge lamps which contain no mercury. Such lamps are particularly desirable for environmental reasons. It contains a suitable metal halide charge and, in particular, a noble gas such as xenon under high pressure. Because of the lack of mercury, the ignition voltage is particularly high. You carries 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 generating a high voltage pulse of e.g. 20 kV, should have a larger outer diameter than the outer diameter of the outer bulb of the lamp, two generators are used in push-pull circuit ( Figure 2). In this case, two charging resistors Rl and R2 and a switch Seh 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 known from US-A 4,608,521. 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 (Figure 3)
- the two ceramic films 31 and 32 are each a wound tape and typically have a width a
- 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 foils, and the second spiral generator SG2 becomes 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.
- 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.
- both a temperature resistance of up to 600 ° C. and a sufficiently small outside diameter are achieved, since each individual generator only has to generate half the required high voltage, eg 10 kV.
- 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 puI 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 29.
- 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 incandescent lamp 31 are also incorporated in the outer bulb of the lamp.
- 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)
Description
Claims
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 (de) | 2007-04-13 | 2008-04-10 | Mischlichtlampe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2138013A1 true EP2138013A1 (de) | 2009-12-30 |
| EP2138013B1 EP2138013B1 (de) | 2011-03-02 |
Family
ID=39683924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP08735160A Not-in-force EP2138013B1 (de) | 2007-04-13 | 2008-04-10 | Mischlichtlampe |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US20100134009A1 (de) |
| EP (1) | EP2138013B1 (de) |
| JP (1) | JP2010524182A (de) |
| CN (1) | CN101658069A (de) |
| AT (1) | ATE500712T1 (de) |
| DE (2) | DE102007017497A1 (de) |
| WO (1) | WO2008125277A1 (de) |
Family Cites Families (19)
| 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 |
| 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 |
| US4721888A (en) * | 1984-12-27 | 1988-01-26 | Gte Laboratories Incorporated | Arc discharge lamp with ultraviolet enhanced starting circuit |
| 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 |
| JP2001512621A (ja) * | 1997-12-16 | 2001-08-21 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 高圧放電ランプ |
| WO2002097842A2 (en) | 2001-05-29 | 2002-12-05 | Fusion Lighting, Inc. | Integrated electrodeless lamp and solid state oscillators |
| US6853151B2 (en) | 2002-11-19 | 2005-02-08 | Denovo Lighting, Llc | LED retrofit lamp |
| US7417377B2 (en) | 2003-09-18 | 2008-08-26 | Koninklijke Philips Electronics N.V. | Blended light lamp |
| 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 |
-
2007
- 2007-04-13 DE DE102007017497A patent/DE102007017497A1/de not_active Withdrawn
-
2008
- 2008-04-10 AT AT08735160T patent/ATE500712T1/de active
- 2008-04-10 CN CN200880011902A patent/CN101658069A/zh active Pending
- 2008-04-10 DE DE502008002735T patent/DE502008002735D1/de active Active
- 2008-04-10 WO PCT/EP2008/002852 patent/WO2008125277A1/de not_active Ceased
- 2008-04-10 US US12/532,154 patent/US20100134009A1/en not_active Abandoned
- 2008-04-10 EP EP08735160A patent/EP2138013B1/de not_active Not-in-force
- 2008-04-10 JP JP2010502459A patent/JP2010524182A/ja not_active Abandoned
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2008125277A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2008125277A1 (de) | 2008-10-23 |
| EP2138013B1 (de) | 2011-03-02 |
| JP2010524182A (ja) | 2010-07-15 |
| DE102007017497A1 (de) | 2008-10-16 |
| ATE500712T1 (de) | 2011-03-15 |
| DE502008002735D1 (de) | 2011-04-14 |
| US20100134009A1 (en) | 2010-06-03 |
| CN101658069A (zh) | 2010-02-24 |
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