EP2087279B1 - Light unit - Google Patents

Light unit Download PDF

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Publication number
EP2087279B1
EP2087279B1 EP06807784A EP06807784A EP2087279B1 EP 2087279 B1 EP2087279 B1 EP 2087279B1 EP 06807784 A EP06807784 A EP 06807784A EP 06807784 A EP06807784 A EP 06807784A EP 2087279 B1 EP2087279 B1 EP 2087279B1
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EP
European Patent Office
Prior art keywords
outer tube
reflector
light source
light unit
neck
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
EP06807784A
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German (de)
French (fr)
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EP2087279A1 (en
Inventor
Joachim Arndt
Uwe Fidler
Markus Herb
Matthias Lenz
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Osram GmbH
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Osram GmbH
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Publication of EP2087279A1 publication Critical patent/EP2087279A1/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
    • F21V17/16—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts; Snap action mounting
    • F21V17/164—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts; Snap action mounting the parts being subjected to bending, e.g. snap joints
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V11/00—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00
    • F21V11/16—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using sheets without apertures, e.g. fixed
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V13/00—Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
    • F21V13/02—Combinations of only two kinds of elements
    • F21V13/10—Combinations of only two kinds of elements the elements being reflectors and screens
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/04—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages the fastening being onto or by the light source
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V25/00—Safety devices structurally associated with lighting devices
    • F21V25/12—Flameproof or explosion-proof arrangements

Definitions

  • the invention relates to a light unit according to the preamble of claim 1.
  • These are in particular reflector lamps or other high-pressure discharge lamps such as metal halide lamps or sodium high-pressure discharge lamps.
  • the discharge vessel is generally housed in a piston.
  • the invention is also in reflector lamps based on halogen incandescent lamps or similar. applicable.
  • a reflective metal halide lamp is known with a ceramic discharge vessel.
  • an inner vessel is arranged in an outer tube.
  • Such lamps show a combination of a flat clip and putty.
  • the clip opening encloses the pinch of the base lamp, which is located in the neck area of the reflector. Below the clip, the neck area is filled with putty and fixes the base lamp in the pinch area positively. It is not apparent whether the position of the light center of the discharge vessel is adjusted to the reflector focus.
  • Another possibility of the connection is the crimping, that is the deformation of the metal pins with spinning.
  • Out DE-Az 10 2006 006 063.6 (still unpublished) a similar reflector lamp is known which uses a clip for fixing a cap on the outer tube.
  • the document WO 2006/081804 discloses all the technical features of the preamble of claim 1.
  • the object of the present invention is to provide a method for producing a reflector lamp, which ensures a simple optical adjustment of the lamp in the reflector.
  • the clip according to the invention takes on two functions simultaneously. On the one hand the actual centering function, on the other hand the holding function of an anti-glare cap.
  • a simple radial centering of a base lamp, also referred to herein as an inner vessel, within an outer tube, here often a bursting tube is possible.
  • the centering process is to be considered as part of the assembly and does not have to be carried out as a single process.
  • a light unit is presented with a concave reflector provided with an exit opening, a neck and an axis, the reflector being an axially elongated light source equipped with a piston surrounds, wherein the light source spaced from an outer tube is surrounded, wherein the outer tube has a first end adjacent to the neck and a second, the outlet opening adjacent end, wherein the outer tube in the vicinity of the first end with the neck is connected, wherein the outer tube has at least in the vicinity of the second end an inner diameter which is loosely adapted to the diameter of the piston at its outlet end, are anchored in the at least two suitably shaped spring clips having two legs and thus the end of the piston embrace.
  • the inner leg of the spring clips is bent inwardly so that it touches the piston of the light source, and wherein the spring clips are arranged so far apart from each other distributed on the circumference of the outer tube that they act centering on the piston.
  • the outer tube has latching means into which the outer leg of the spring clips can engage.
  • the latching means is in particular a channel or local depressions, ie at least two recesses on the outer surface of the outer tube.
  • the loose fitting means a distance that is so small that it can be bridged by the spring clip. In practice, this is a distance of about 0.5 to 3 mm.
  • the inner leg of the spring clip is V-shaped bent inwards.
  • the inner leg preferably has a free end which projects inwardly.
  • the light source is a discharge vessel with a metal halide fill.
  • An embodiment preferably relates to a metal halide lamp with metal reflector, preferably an aluminum reflector.
  • the lamp consists of several components that are purely mechanically connected.
  • the light source is a so-called base lamp, which is joined in a base ceramic.
  • the power supply of the base lamp are crimped after axial adjustment of the light center of gravity to the virtual reflector focus with the base pins or contact pins of the base ceramic.
  • An aluminum reflector is also attached to the base ceramic by crimping.
  • the base lamp has only been adjusted axially via the strobe / pin crimping.
  • a radial adjustment of the burner center to the reflector focus is equally important, and takes place via special centering-retaining clips and their arrangement at the top of a Platzerschutzrohres, here takes over the role of the outer tube.
  • centering-holding clips preferably made of spring steel, are, preferably evenly spaced, distributed over the circumference of the upper end face of a Platzerschutzrohres.
  • the number of clips is at least three and preferably at most six.
  • the width b of the clips is preferably between 1 mm and 4 mm, the material thickness s is preferably between 0.1 and 0.3 mm.
  • a circumferential bead is formed in the upper region of the outer tube.
  • the clip is shaped at an outwardly facing position, which has a projection, called a "nose", into the peripheral bead of the outer surface of the glass tube can engage.
  • the clip has at another point pointing inwards a second, preferably larger, "nose” or "wave”.
  • the outwardly angled part of the clip is used to fix an anti-glare cap, which is joined from above over the clips and the outer tube.
  • the angled part of the clip performs the function of a "barb". After joining the anti-glare cap, it is difficult to remove the anti-glare cap.
  • the lower end of the Platzerschutzrohres is fitted in a similar or the same way with a second clip variant.
  • This kind of clips have already been in the DE-Az 10 2006 006 063.6 described as pure holding clips without centering.
  • This clip variant has similar characteristics except for the centering function.
  • the preassembled system consisting of anti-explosion tube, anti-glare cap, centering-holding clip and retaining clips, is joined on the one hand via the base lamp crimped into the base ceramic.
  • the lower area of the Platzerschutzrohres with the equipped holding clips dips into the reflector neck.
  • a reflector lamp 1 is shown, with an inner vessel or base lamp 2, consisting of a discharge vessel 3, which is surrounded by a piston 14.
  • the discharge vessel is made of PCA ceramic and has two capillaries at both ends.
  • the inner vessel 2 is seated in a central opening of a base 4.
  • the inner vessel 2 is spaced from an outer tube 5 surrounded, which is designed basically cylindrical and aligned parallel to the axis.
  • the outer tube 5 itself is in turn of a reflector 6 made of aluminum surround.
  • the reflector has a neck 7 and a contour 8. The diameter of the neck is advantageously adapted from the outside to the diameter of the outer tube 5. Both parts are placed on the base 4, where there are several known techniques. However, the type of attachment is not important here.
  • the outer tube 5 has an inner diameter, which is adapted to the outer diameter of the base lamp, ie in this case that of the piston 14, substantially loosely. This means a distance of about 1 to 2 mm, which is just so wide that it is bridged by a spring clip 12.
  • This spring clip is attached to the outer tube 5 from the opening of the reflector ago.
  • Two spring clips 12 are shaped so that they are similar to a so-called. Tab for files snapped onto the end of the tube 5.
  • the riders 12 are evenly distributed over the circumference of the tube.
  • Each rider is in principle U-shaped bent with a short outer leg 70 and a long inner leg 69.
  • the inner leg is followed by a V-shaped inwardly facing bend 72, whose deflection from the axis of the inner leg noticeably larger than at the bulge.
  • the ridge 73 of this bend centers the base lamp. This is followed by a slightly protruding free end 74. See in detail FIGS. 5 and 6 , dashed version.
  • the neck of the aluminum reflector is crimped, for example, on the base stone 4.
  • lateral holes are provided on the base brick (not shown).
  • the neck is attached to a stepped recess 11 of the base.
  • the outer tube is clamped on the base side of the neck of the reflector.
  • the outer tube is seated on the upper edge of another step 50.
  • Other types of attachment are possible.
  • the light source or base lamp can be, for example, a halogen incandescent lamp or high-pressure discharge lamp.
  • FIG. 2 a reflector lamp 39 is shown which is similar to FIG. 1 is designed and also carries a cover 41 with screen 42 on the here cylindrical outer tube.
  • the holder of the spring clip is improved here.
  • the outer tube 5 a circumferential bead 13.
  • the outer leg 70 of the clip is curved so that it with a nose 80, see FIGS. 5 and 6 , on the one hand in the gutter or bead 13 stops.
  • the inner leg 69 is bent so that it clamped with a curved arc 81 together with the nose 80 on the outer leg 70, the end of the tube 5 holds.
  • the circumferential groove 13 may alternatively be replaced by local depressions, dents, etc., of course.
  • the open end of the centering spring clip on the outer leg may be bent outward, see reference numeral 75 in FIG. 2 and 5 ,
  • the inner and outer legs are connected to each other via a base part 82.
  • FIG. 3 an outer tube 5 is shown in perspective. It has in each case at the top and bottom of a circumferential groove 13. At the upper end here three centering spring clips 12 are evenly distributed over the circumference. Similar spring clips 40, but without centering, are attached to the lower end of the tube 5.
  • FIG. 4 shows this centering clip in detail.
  • FIG. 5 shows a side view and FIG. 6 a perspective view of the centering spring clip.

Abstract

The light unit comprises a light source and a reflector. The light source is surrounded by an exterior pipe. Spring clips with a centering effect for the exterior bulb of the light source are anchored at the open end of the exterior pipe.

Description

Technisches GebietTechnical area

Die Erfindung geht aus von einer Lichteinheit gemäß dem Oberbegriff des Anspruchs 1. Es handelt sich dabei insbesondere um Reflektorlampen oder sonstige Hochdruckentladungslampen wie Metallhalogenidlampen oder auch Natrium-Hochdruckentladungslampen. Das Entladungsgefäß ist im allgemeinen in einem Kolben untergebracht. Die Erfindung ist jedoch auch bei Reflektorlampen auf Basis von Halogenglühlampen o.ä. anwendbar.The invention relates to a light unit according to the preamble of claim 1. These are in particular reflector lamps or other high-pressure discharge lamps such as metal halide lamps or sodium high-pressure discharge lamps. The discharge vessel is generally housed in a piston. However, the invention is also in reflector lamps based on halogen incandescent lamps or similar. applicable.

Stand der TechnikState of the art

Aus der WO 2004046609 ist eine reflektorbehaftete Metallhalogenidlampe mit einem keramischen Entladungsgefäß bekannt. Dabei ist ein Innengefäß in einem Außenrohr angeordnet. Derartige Lampen zeigen eine Kombination aus einem flachen Clip und Kitt. Dabei umschließt die Clipöffnung die Quetschung der Basislampe, die sich im Halsbereich des Reflektors befindet. Unterhalb des Clips ist der Halsbereich mit Kittmasse gefüllt und fixiert die Basislampe im Quetschungsbereich formschlüssig. Es ist nicht ersichtlich, ob dabei die Lage des Lichtschwerpunktes des Entladungsgefäßes zum Reflektorfokus justiert wird. Eine andere Möglichkeit der Verbindung ist die Krimpung, also die Verformung der Metallpins mit Drückverfahren. Aus DE-Az 10 2006 006 063.6 (noch unveröffentlicht) ist eine ähnliche Reflektorlampe bekannt, die einen Clip zur Befestigung einer Kappe auf dem Außenrohr verwendet. Das Dokument WO 2006/081804 offenbart alle technischen Merkmale des Oberbegriffs des Anspruchs 1.From the WO 2004046609 a reflective metal halide lamp is known with a ceramic discharge vessel. In this case, an inner vessel is arranged in an outer tube. Such lamps show a combination of a flat clip and putty. The clip opening encloses the pinch of the base lamp, which is located in the neck area of the reflector. Below the clip, the neck area is filled with putty and fixes the base lamp in the pinch area positively. It is not apparent whether the position of the light center of the discharge vessel is adjusted to the reflector focus. Another possibility of the connection is the crimping, that is the deformation of the metal pins with spinning. Out DE-Az 10 2006 006 063.6 (still unpublished) a similar reflector lamp is known which uses a clip for fixing a cap on the outer tube. The document WO 2006/081804 discloses all the technical features of the preamble of claim 1.

Darstellung der ErfindungPresentation of the invention

Die Aufgabe der vorliegenden Erfindung ist es, ein Verfahren zur Herstellung einer Reflektorlampe anzugeben, das eine einfache optische Justierung der Lampe im Reflektor sicherstellt.The object of the present invention is to provide a method for producing a reflector lamp, which ensures a simple optical adjustment of the lamp in the reflector.

Diese Aufgabe wird gelöst durch kennzeichnenden Merkmale des Anspruchs 1.This object is achieved by characterizing features of claim 1.

Besonders vorteilhafte Ausgestaltungen finden sich in den abhängigen Ansprüchen.Particularly advantageous embodiments can be found in the dependent claims.

Bei Reflektorlampen ist es wichtig, das sich der Lichtschwerpunkt des eingebauten Brenners bzw. der Lampe, im berechneten Fokus des Reflektors befindet. Bei Abweichungen ändern sich Parameter wie z.B Ausstrahlwinkel, Mittenstrahlstärke, gleichmäßige Ausleuchtung etc.For reflector lamps, it is important that the center of gravity of the built-in burner or the lamp is in the calculated focus of the reflector. In the case of deviations, parameters such as beam angle, center beam intensity, uniform illumination etc. change.

Der erfindungsgemäße Clip übernimmt zwei Funktionen gleichzeitig. Zum einen die eigentliche Zentrierfunktion, zum anderen die Haltefunktion einer Blendschutzkappe.The clip according to the invention takes on two functions simultaneously. On the one hand the actual centering function, on the other hand the holding function of an anti-glare cap.

Erstmals ist eine einfache radiale Zentrierung einer Basislampe, hier auch als Innengefäß bezeichnet, innerhalb eines Außenrohres, hier oft ein Platzerschutzrohr möglich. Der Zentrierprozess ist als Teil der Montage anzusehen, und muss nicht als Einzelprozess durchgeführt werden.For the first time, a simple radial centering of a base lamp, also referred to herein as an inner vessel, within an outer tube, here often a bursting tube is possible. The centering process is to be considered as part of the assembly and does not have to be carried out as a single process.

Im Detail wird eine Lichteinheit vorgestellt mit einem konkaven Reflektor, der mit einer Austrittsöffnung, einem Hals und einer Achse ausgestattet ist, wobei der Reflektor eine in Achsrichtung längsgestreckte Lichtquelle, die mit einem Kolben ausgestattet ist, umgibt, wobei die Lichtquelle beabstandet von einem Außenrohr umgeben ist, wobei das Außenrohr ein erstes, dem Hals benachbartes Ende und ein zweites, der Austrittsöffnung benachbartes Ende besitzt, wobei das Außenrohr in der Nähe des ersten Endes mit dem Hals verbunden ist, wobei das Außenrohr zumindest in der Nähe des zweiten Endes einen Innendurchmesser besitzt, der dem Durchmesser des Kolbens an dessen austrittseitigen Ende locker angepasst ist, in die mindestens zwei geeignet geformte Federclips verankert sind, die zwei Schenkel besitzen und damit das Ende des Kolbens umfangen. Jeweils der innere Schenkel der Federclips ist nach innen so gebogen, dass er den Kolben der Lichtquelle berührt, und wobei die Federclips soweit beabstandet voneinander auf dem Umfang des Außenrohrs verteilt angeordnet sind, dass sie zentrierend auf den Kolben wirken.In detail, a light unit is presented with a concave reflector provided with an exit opening, a neck and an axis, the reflector being an axially elongated light source equipped with a piston surrounds, wherein the light source spaced from an outer tube is surrounded, wherein the outer tube has a first end adjacent to the neck and a second, the outlet opening adjacent end, wherein the outer tube in the vicinity of the first end with the neck is connected, wherein the outer tube has at least in the vicinity of the second end an inner diameter which is loosely adapted to the diameter of the piston at its outlet end, are anchored in the at least two suitably shaped spring clips having two legs and thus the end of the piston embrace. In each case, the inner leg of the spring clips is bent inwardly so that it touches the piston of the light source, and wherein the spring clips are arranged so far apart from each other distributed on the circumference of the outer tube that they act centering on the piston.

Bevorzugt besitzt das Außenrohr Rastmittel, in die der äußere Schenkel des Federclips einrasten kann. Das Rastmittel ist insbesondere eine Rinne oder lokale Vertiefungen, also mindestens zwei Vertiefungen an der äußeren Oberfläche des Außenrohrs.Preferably, the outer tube has latching means into which the outer leg of the spring clips can engage. The latching means is in particular a channel or local depressions, ie at least two recesses on the outer surface of the outer tube.

Die lockere Anpassung meint einen Abstand, der so klein ist, dass er von dem Federclip überbrückt werden kann. In der Praxis ist dies eine Distanz von etwa 0,5 bis 3 mm.The loose fitting means a distance that is so small that it can be bridged by the spring clip. In practice, this is a distance of about 0.5 to 3 mm.

Bevorzugt ist der innere Schenkel des Federclips V-förmig nach innen gebogen. Um eine Beschädigung des Außenrohrs zu vermeiden, weist der innere Schenkel bevorzugt ein freies Ende auf, das nach innen absteht.Preferably, the inner leg of the spring clip is V-shaped bent inwards. To avoid damaging the outer tube, the inner leg preferably has a free end which projects inwardly.

Meist ist die Lichtquelle ein Entladungsgefäß mit einer Metallhalogenidfüllung.Mostly the light source is a discharge vessel with a metal halide fill.

Ein Ausführungsbeispiel betrifft bevorzugt eine Metallhalogendampflampe mit Metallreflektor, bevorzugt ist ein Aluminiumreflektor. Die Lampe besteht aus mehreren Komponenten, die rein mechanisch miteinander verbunden werden. Die Lichtquelle ist eine sogenannte Basislampe, die in eine Sockelkeramik gefügt wird. Die Stromzuführungen der Basislampe werden, nach axialer Justage des Lichtschwerpunktes auf den virtuellen Reflektorfokus, mit den Sockelpins oder Kontaktpins der Sockelkeramik vercrimpt. Ein Aluminiumreflektor wird ebenfalls mittels Crimpen an der Sockelkeramik befestigt.An embodiment preferably relates to a metal halide lamp with metal reflector, preferably an aluminum reflector. The lamp consists of several components that are purely mechanically connected. The light source is a so-called base lamp, which is joined in a base ceramic. The power supply of the base lamp are crimped after axial adjustment of the light center of gravity to the virtual reflector focus with the base pins or contact pins of the base ceramic. An aluminum reflector is also attached to the base ceramic by crimping.

Die Basislampe ist bislang nur über die Stroz/Pin-Crimpung axial justiert. Eine radiale Justierung der Brennermitte zum Reflektorfokus ist ebenso wichtig, und erfolgt über spezielle Zentrier-Halte-Clips und deren Anordnung an der Oberseite eines Platzerschutzrohres, das hier die Rolle des Außenrohrs übernimmt.So far, the base lamp has only been adjusted axially via the strobe / pin crimping. A radial adjustment of the burner center to the reflector focus is equally important, and takes place via special centering-retaining clips and their arrangement at the top of a Platzerschutzrohres, here takes over the role of the outer tube.

Mehrere Zentrier-Halte-Clips, bevorzugt aus Federstahl, befinden sich, bevorzugt gleichmäßig beabstandet, über den Umfang der oberen Stirnseite eines Platzerschutzrohres verteilt. Die Anzahl der Clips beträgt mindestens drei und bevorzugt höchstens sechs. Die Breite b der Clips liegt bevorzugt zwischen 1 mm und 4 mm, die Materialstärke s liegt bevorzugt zwischen 0,1 und 0,3 mm. Im oberen Bereich des Außenrohres ist beispielsweise eine umlaufenden Sicke eingeformt. Der Clip ist an einer nach außen zeigenden Stelle so geformt, das ein Vorsprung, eine sog. "Nase", in die umlaufende Sicke der äußeren Oberfläche des Glasrohres einrasten kann. Der Clip besitzt an einer anderen nach innen zeigenden Stelle eine zweite, bevorzugt größere, "Nase" bzw. "Welle". Diese "Nase" bzw. "Welle" übernimmt die eigentliche Zentrierfunktion. Der nach außen abgewinkelte Teil des Clips dient zur Fixierung einer Blendschutzkappe, die von oben über die Clips und das Außenrohr gefügt wird. Der abgewinkelte Teil des Clips erfüllt die Funktion eines "Widerhakens". Nach dem Fügen der Blendschutzkappe ist ein Abziehen der Blendschutzkappe nur schwer möglich.Several centering-holding clips, preferably made of spring steel, are, preferably evenly spaced, distributed over the circumference of the upper end face of a Platzerschutzrohres. The number of clips is at least three and preferably at most six. The width b of the clips is preferably between 1 mm and 4 mm, the material thickness s is preferably between 0.1 and 0.3 mm. In the upper region of the outer tube, for example, a circumferential bead is formed. The clip is shaped at an outwardly facing position, which has a projection, called a "nose", into the peripheral bead of the outer surface of the glass tube can engage. The clip has at another point pointing inwards a second, preferably larger, "nose" or "wave". This "nose" or "wave" takes over the actual centering function. The outwardly angled part of the clip is used to fix an anti-glare cap, which is joined from above over the clips and the outer tube. The angled part of the clip performs the function of a "barb". After joining the anti-glare cap, it is difficult to remove the anti-glare cap.

Die untere Stirnseite des Platzerschutzrohres ist in ähnlicher bzw. gleicher Art mit einer zweiten Clipvariante bestückt. Diese Art der Clips wurden bereits in der DE-Az 10 2006 006 063.6 als reine Halteclips ohne Zentrierfunktion beschrieben. Diese Clipvariante hat, bis auf die Zentrierfunktion, ähnliche Eigenschaften.The lower end of the Platzerschutzrohres is fitted in a similar or the same way with a second clip variant. This kind of clips have already been in the DE-Az 10 2006 006 063.6 described as pure holding clips without centering. This clip variant has similar characteristics except for the centering function.

Das vormontierte System, bestehend aus Platzerschutzrohr, Blendschutzkappe, Zentrier-Halte-Clip und Halteclips wird einerseits über die in die Sockelkeramik gecrimpte Basislampe gefügt. Andererseits taucht der untere Bereich des Platzerschutzrohres mit den bestückten Halteclips in den Reflektorhals ein. Beim Fügen berührt der Außenkolben der Basislampe die mit "Nase" bzw. "Welle" bezeichnete Zone der mindestes zwei Zentrier-Halte-Clips und wird somit zentriert. Die mit "Nase" bzw. "Welle" bezeichnete Zone des Zentrier-Halte-Clips muss nach dem Fügen auf dem zylindrischen Teil der Basislampenaußenkolbens aufliegen. Mit dem Eintauchen des Platzerschutzrohres, das bereits mit den über den Umfang positionierten Halteclips bestückt ist, in den Reflektorhals verkeilt sich das Platzerschutzrohr über die Halteclips im Reflektorhals. Die Widerhakenfunktion der Halteclips verhindert das Wiederherausziehen des Platzerschutzsystems.The preassembled system, consisting of anti-explosion tube, anti-glare cap, centering-holding clip and retaining clips, is joined on the one hand via the base lamp crimped into the base ceramic. On the other hand, the lower area of the Platzerschutzrohres with the equipped holding clips dips into the reflector neck. When joining the outer bulb of the base lamp touches the designated "nose" or "wave" zone of at least two centering-holding clips and is thus centered. The designated by "nose" or "wave" zone of the centering-holding clip must rest after joining on the cylindrical part of the base lamp outer piston. By immersing the Platzerschutzrohres, which is already equipped with the retaining clips positioned over the circumference, in the reflector neck, the Platzerschutzrohr wedged over the retaining clips in the reflector neck. The Barb function of the retaining clips prevents the retraction of the anti-burst system.

Kurze Beschreibung der ZeichnungenBrief description of the drawings

Im Folgenden soll die Erfindung anhand mehrerer Ausführungsbeispiele näher erläutert werden. Die Figuren zeigen:

Fig. 1
die Seitenansicht einer Reflektorlampe;
Fig. 2
ein weiteres Ausführungsbeispiel einer Reflektor- lampe;
Fig. 3
das Außenrohr aus der Reflektorlampe der Figur 2;
Fig. 4
ein Detail des Außenrohrs aus Figur 3.
Fig. 5
ein Federclip in Seitenansicht;
Fig. 6
der Federclip aus Figur 5 in perspektivischer An- sicht.
In the following, the invention will be explained in more detail with reference to several embodiments. The figures show:
Fig. 1
the side view of a reflector lamp;
Fig. 2
Another embodiment of a reflector lamp;
Fig. 3
the outer tube from the reflector lamp of the FIG. 2 ;
Fig. 4
a detail of the outer tube FIG. 3 ,
Fig. 5
a spring clip in side view;
Fig. 6
the spring clip off FIG. 5 in perspective view.

Bevorzugte Ausführungsform der ErfindungPreferred embodiment of the invention

In Fig. 1 ist eine Reflektorlampe 1 gezeigt, mit einem Innengefäß oder Basislampe 2, bestehend aus einem Entladungsgefäß 3, das von einem Kolben 14 umgeben ist. Das Entladungsgefäß ist aus PCA-Keramik gefertigt und hat zwei Kapillaren an seinen beiden Enden. Das Innengefäß 2 sitzt in einer zentralen Öffnung eines Sockels 4. Das Innengefäß 2 ist beabstandet von einem Außenrohr 5 umgeben, das grundsätzlich zylindrisch gestaltet ist und achsparallel ausgerichtet ist. Das Außenrohr 5 selbst ist wiederum von einem Reflektor 6 aus Aluminium umgeben. Der Reflektor hat einen Hals 7 und eine Kontur 8. Der Durchmesser des Halses ist vorteilhaft von außen an den Durchmesser des Außenrohrs 5 angepasst . Beide Teile sind am Sockel 4 aufgesetzt, wobei es mehrere dafür bekannte Techniken gibt. Auf die Art der Befestigung kommt es hier jedoch nicht an.In Fig. 1 a reflector lamp 1 is shown, with an inner vessel or base lamp 2, consisting of a discharge vessel 3, which is surrounded by a piston 14. The discharge vessel is made of PCA ceramic and has two capillaries at both ends. The inner vessel 2 is seated in a central opening of a base 4. The inner vessel 2 is spaced from an outer tube 5 surrounded, which is designed basically cylindrical and aligned parallel to the axis. The outer tube 5 itself is in turn of a reflector 6 made of aluminum surround. The reflector has a neck 7 and a contour 8. The diameter of the neck is advantageously adapted from the outside to the diameter of the outer tube 5. Both parts are placed on the base 4, where there are several known techniques. However, the type of attachment is not important here.

Das Außenrohr 5 hat einen Innendurchmesser, der im wesentlichen dem Außendurchmesser der Basislampe, also hier dem des Kolbens 14, locker angepasst ist. Damit ist ein Abstand von etwa 1 bis 2 mm gemeint, der gerade so breit ist, dass er von einem Federclip 12 überbrückt wird.The outer tube 5 has an inner diameter, which is adapted to the outer diameter of the base lamp, ie in this case that of the piston 14, substantially loosely. This means a distance of about 1 to 2 mm, which is just so wide that it is bridged by a spring clip 12.

Dieser Federclip ist auf das Außenrohr 5 von der Öffnung des Reflektors her aufgesteckt. Zwei Federclips 12 sind so geformt, dass sie ähnlich einem sog. Reiter für Akten auf das Ende des Rohrs 5 aufgeschnappt sind. Dabei sind die Reiter 12 über den Umfang des Rohrs gleichmäßig verteilt. Jeder Reiter ist im Prinzip U-förmig gebogen mit einem kurzen außen liegenden Schenkel 70 und einem langen innen liegenden Schenkel 69. An den inneren Schenkel schließt sich eine V-förmig nach innen zeigende Abwinklung 72 an, deren Auslenkung aus der Achse des inneren Schenkels merklich größer ist als bei der Ausbeulung. Der First 73 dieser Abwinklung zentriert die Basislampe. Daran schließt sich noch ein leicht abstehendes freies Ende 74 an. Siehe hierzu im Detail Fig. 5 und 6, gestrichelte Version.This spring clip is attached to the outer tube 5 from the opening of the reflector ago. Two spring clips 12 are shaped so that they are similar to a so-called. Tab for files snapped onto the end of the tube 5. The riders 12 are evenly distributed over the circumference of the tube. Each rider is in principle U-shaped bent with a short outer leg 70 and a long inner leg 69. The inner leg is followed by a V-shaped inwardly facing bend 72, whose deflection from the axis of the inner leg noticeably larger than at the bulge. The ridge 73 of this bend centers the base lamp. This is followed by a slightly protruding free end 74. See in detail FIGS. 5 and 6 , dashed version.

Der Hals des Aluminium-Reflektors ist beispielsweise am Sockelstein 4 vercrimpt. Zu diesem Zweck sind seitliche Bohrungen am Sockelstein vorgesehen (nicht dargestellt). Der Hals ist dabei an einer stufenförmigen Aussparung 11 des Sockels angesetzt.The neck of the aluminum reflector is crimped, for example, on the base stone 4. For this purpose, lateral holes are provided on the base brick (not shown). The neck is attached to a stepped recess 11 of the base.

Das Außenrohr ist sockelseitig am Hals des Reflektors festgeklemmt. Das Außenrohr sitzt auf der Oberkante einer weiteren Stufe 50 auf. Auch andere Befestigungsarten sind möglich.The outer tube is clamped on the base side of the neck of the reflector. The outer tube is seated on the upper edge of another step 50. Other types of attachment are possible.

Die Lichtquelle bzw. Basislampe kann beispielsweise eine Halogenglühlampe oder Hochdruckentladungslampe sein.The light source or base lamp can be, for example, a halogen incandescent lamp or high-pressure discharge lamp.

In Figur 2 ist eine Reflektorlampe 39 gezeigt, die ähnlich wie in Figur 1 gestaltet ist und außerdem eine Abdeckung 41 mit Schirm 42 über dem hier zylindrischen Außenrohr trägt. Die Halterung des Federclips ist hier verbessert. Zu diesem Zweck hat, siehe im Detail Figur 3, das Außenrohr 5 eine umlaufende Sicke 13. Der außen liegende Schenkel 70 des Clips ist so gekrümmt, dass er mit einer Nase 80, siehe Figur 5 und 6, zum einen in der Rinne oder Sicke 13 Halt findet. Der innere Schenkel 69 ist so gebogen, dass er mit einem geschwungenen Bogen 81 klemmend zusammen mit der Nase 80 an dem äußeren Schenkel 70 das Ende des Rohrs 5 haltert. Die umlaufende Rinne 13 kann alternativ selbstverständlich durch lokale Vertiefungen, Dellen etc. ersetzt sein. Zur Halterung der Abdeckung 41 kann das offenes Ende des Zentrier-Federclips am äußeren Schenkel nach außen gebogen sein, siehe Bezugsziffer 75 in Figur 2 und 5. Der innere und äußere Schenkel sind über ein Basisteil 82 miteinander verbunden.In FIG. 2 a reflector lamp 39 is shown which is similar to FIG FIG. 1 is designed and also carries a cover 41 with screen 42 on the here cylindrical outer tube. The holder of the spring clip is improved here. For this purpose has, see in detail FIG. 3 , the outer tube 5 a circumferential bead 13. The outer leg 70 of the clip is curved so that it with a nose 80, see FIGS. 5 and 6 , on the one hand in the gutter or bead 13 stops. The inner leg 69 is bent so that it clamped with a curved arc 81 together with the nose 80 on the outer leg 70, the end of the tube 5 holds. The circumferential groove 13 may alternatively be replaced by local depressions, dents, etc., of course. For holding the cover 41, the open end of the centering spring clip on the outer leg may be bent outward, see reference numeral 75 in FIG. 2 and 5 , The inner and outer legs are connected to each other via a base part 82.

In Figur 3 ist ein Außenrohr 5 in Perspektive gezeigt. Es weist jeweils am oberen und unteren Ende eine umlaufende Rinne 13 auf. Am oberen Ende sind hier drei Zentrier-Federclips 12 gleichmäßig über den Umfang verteilt. Ähnliche Federclips 40, aber ohne Zentriervorrichtung, sind am unteren Ende des Rohrs 5 angebracht.In FIG. 3 an outer tube 5 is shown in perspective. It has in each case at the top and bottom of a circumferential groove 13. At the upper end here three centering spring clips 12 are evenly distributed over the circumference. Similar spring clips 40, but without centering, are attached to the lower end of the tube 5.

Figur 4 zeigt diesen Zentrierclip im Detail. Figur 5 zeigt eine Seitenansicht und Figur 6 eine perspektivische Ansicht des Zentrier-Federclips. FIG. 4 shows this centering clip in detail. FIG. 5 shows a side view and FIG. 6 a perspective view of the centering spring clip.

Selbstverständlich ist die Auslenkung der V-förmigen Abwinklung 72 im spannungsfreien Zustand größer als im Funktionsmodus. Dieser Unterschied ist in den schematischen Zeichnungen nicht dargestellt.Of course, the deflection of the V-shaped bend 72 in the tension-free state is greater than in the functional mode. This difference is not shown in the schematic drawings.

Claims (5)

  1. Light unit having a concave reflector (6) that is provided with an exit opening, a neck (7) and an axis, the reflector (6) surrounding a light source that extends longitudinally in the axial direction and is fitted with a bulb (14), the light source being surrounded at a spacing by an outer tube (5), the outer tube (5) having a first end, adjacent to the neck, and a second end, adjacent to the exit opening, the outer tube (5) being connected to the neck (7) in the vicinity of the first end, the outer tube (5) having, at least in the vicinity of the second end, an inside diameter that is loosely adapted to the diameter of the bulb (14) at the exit-side end thereof, there being anchored on the outer tube (5) at least two suitably shaped spring clips (12) that have two limbs (69, 70) and thereby clasp the end of the outer tube (5), characterized in that the inner limb (69) of the spring clips (12) is respectively bent inward such that it touches the bulb (14) of the light source, the spring clips (12) being arranged distributed on the circumference of the outer tube (5) so widely spaced apart from one another that they act with a centering effect on the bulb (14).
  2. Light unit according to Claim 1, characterized in that the inner limb (69) of at least one spring clip is angled inward in V-shaped fashion.
  3. Light unit according to Claim 1, characterized in that the inner limb (69) of at least one spring clip has a free end (75) that is bent inward.
  4. Light unit according to Claim 1, characterized in that the light source includes a discharge vessel with a metal halide fill.
  5. Light unit according to Claim 1, characterized in that the outer tube (5) has in the vicinity of the end a channel (13) or, in some sections, depressions into which suitably shaped bulges of the spring clips (12) latch.
EP06807784A 2006-11-08 2006-11-08 Light unit Not-in-force EP2087279B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2006/068250 WO2008055543A1 (en) 2006-11-08 2006-11-08 Light unit

Publications (2)

Publication Number Publication Date
EP2087279A1 EP2087279A1 (en) 2009-08-12
EP2087279B1 true EP2087279B1 (en) 2010-02-24

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ID=38171129

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Application Number Title Priority Date Filing Date
EP06807784A Not-in-force EP2087279B1 (en) 2006-11-08 2006-11-08 Light unit

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US (1) US7967472B2 (en)
EP (1) EP2087279B1 (en)
JP (1) JP4981144B2 (en)
CN (1) CN101529160A (en)
AT (1) ATE458963T1 (en)
DE (1) DE502006006293D1 (en)
WO (1) WO2008055543A1 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010056031A (en) * 2008-08-29 2010-03-11 Osram Melco Toshiba Lighting Kk High-pressure discharge lamp and lighting device
TW201130012A (en) * 2009-09-04 2011-09-01 Koninkl Philips Electronics Nv Compact hid lamp with multiple protective envelopes
DE102009051537A1 (en) * 2009-10-30 2011-05-05 Osram Gesellschaft mit beschränkter Haftung Burner-protected lamp
GB2477994A (en) 2010-02-23 2011-08-24 Ecolumens Ltd Liquid cooled semiconductor light
JP2011238398A (en) * 2010-05-07 2011-11-24 Osram Melco Toshiba Lighting Kk Bulb and lighting device
JP7360153B2 (en) 2019-10-31 2023-10-12 株式会社オガワ Receiving member for internally illuminated signs, internally illuminated signs, and how to assemble internally illuminated signs

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Publication number Priority date Publication date Assignee Title
FR1574750A (en) * 1968-03-18 1969-07-18
JPH05234569A (en) * 1992-02-21 1993-09-10 Matsushita Electron Corp High pressure discharge lamp
JP3206325B2 (en) * 1994-09-08 2001-09-10 松下電器産業株式会社 Metal halide lamp
DE19548521A1 (en) 1995-12-22 1997-06-26 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Lamp reflector unit
US6781295B2 (en) * 1999-11-19 2004-08-24 General Electric Company One piece clip for mounting light source to reflector
US6858976B2 (en) * 2002-12-19 2005-02-22 Osram Sylvania Inc. Spring-clip for hid lamp
ATE391267T1 (en) 2002-11-21 2008-04-15 Koninkl Philips Electronics Nv LIGHT UNIT
DE102005005262A1 (en) * 2005-02-04 2006-08-10 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Reflective light unit
DE102006006063A1 (en) 2006-02-09 2007-08-16 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Reflective light unit

Also Published As

Publication number Publication date
ATE458963T1 (en) 2010-03-15
DE502006006293D1 (en) 2010-04-08
CN101529160A (en) 2009-09-09
US7967472B2 (en) 2011-06-28
WO2008055543A1 (en) 2008-05-15
US20100061103A1 (en) 2010-03-11
JP2010509717A (en) 2010-03-25
JP4981144B2 (en) 2012-07-18
EP2087279A1 (en) 2009-08-12

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