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EP1970938B1 - Reflector lamp with a shroud - Google Patents

Reflector lamp with a shroud Download PDF

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Publication number
EP1970938B1
EP1970938B1 EP07104360A EP07104360A EP1970938B1 EP 1970938 B1 EP1970938 B1 EP 1970938B1 EP 07104360 A EP07104360 A EP 07104360A EP 07104360 A EP07104360 A EP 07104360A EP 1970938 B1 EP1970938 B1 EP 1970938B1
Authority
EP
European Patent Office
Prior art keywords
spring clip
reflector
burner
reflector lamp
cover
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
EP07104360A
Other languages
German (de)
French (fr)
Other versions
EP1970938A1 (en
Inventor
Gunther Van De Poel
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.)
Flowil International Lighting Holding BV
Original Assignee
Flowil International Lighting Holding BV
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Flowil International Lighting Holding BV filed Critical Flowil International Lighting Holding BV
Priority to EP07104360A priority Critical patent/EP1970938B1/en
Priority to DE502007001845T priority patent/DE502007001845D1/en
Priority to DE202008000356U priority patent/DE202008000356U1/en
Priority to CN2008100809275A priority patent/CN101447390B/en
Priority to US12/047,476 priority patent/US7837356B2/en
Publication of EP1970938A1 publication Critical patent/EP1970938A1/en
Application granted granted Critical
Publication of EP1970938B1 publication Critical patent/EP1970938B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/30—Vessels; Containers
    • H01J61/34—Double-wall vessels or containers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/50—Auxiliary parts or solid material within the envelope for reducing risk of explosion upon breakage of the envelope, e.g. for use in mines

Definitions

  • the invention relates to a reflector lamp in particular metal halide vapor reflector lamp comprising a rotationally symmetrical about a central axis reflector which encloses a lamp interior together with a cover, and the cover tapers to a neck region opposite, wherein on the central axis in the lamp interior a burner comprising a burner chamber and on opposite sides of the burner chamber diametrically opposed pinch seals, are guided by the respective supply lines, wherein the burner at least partially surrounding a tubular shield is provided.
  • Such a reflector lamp is for example already out of the DE 102 33 073 known. Also in this document, the problem of fixing the tubular shielding on the one hand and the burner on the other hand already addressed. Specifically, it is proposed in the prior art to set burner and tubular shield over the supply line facing the cover. Furthermore, there is also proposed to fix the tubular shield by cement to the reflector.
  • the object of the present invention is therefore to propose an alternative arrangement which solves at least the determination of tubular shield and burner against each other in a reliable and easy to implement in manufacturing manner.
  • Advantageous developments are specified in the subclaims.
  • a central idea of the present invention is to connect the burner with the tubular shield, via a spring clip.
  • the spring clip engages directly both on the burner, in particular on one of its pinch seals, on the one hand, and on the tubular shield, preferably on one of its edges, on the other hand.
  • the spring clip is preferably a separate component and both mechanically and electrically not connected to one of the supply lines.
  • the spring clip can continue to serve as a cooling element and significantly reduce the temperatures in the region of the distal ends of the pinch seals. Especially on the side on which the spring clip is mounted, it acts as a shield, so that the shielded by the spring clip portion of the pinch seal against the temperatures near the burner chamber is kept much cooler.
  • the spring clip holds the tubular shield against a stop in the neck region of the reflector.
  • the dimensions are such that the spring clip presses the tubular shield under bias to the stop. In this embodiment, a particularly reliable insensitive determination of the tubular shielding but also the burner within the tubular shield is achieved.
  • the spring clip engages on a cover facing the end of the tubular shield.
  • the spring clip to engage at an end of the tubular-shaped shield facing away from the cover, that is to say at the end facing the neck region of the reflector.
  • the spring clip may comprise latching means, in particular latching tongues, which are designed to engage in one or more recesses on the burner, in particular on the pinch seal facing the cover or on the opposite pinch seal.
  • the burner is held exclusively by the leads, which are connected to the reflector or formed in one piece with the reflector and carried in the ground, and by the tubular shield connected to the burner via the spring clip, kept aligned in particular on the central axis.
  • the spring clip may be formed of metal, in particular spring steel or of an alternative suitable material.
  • the spring clip may comprise a plurality of fastening elements, in particular fastening straps. As illustrated below with reference to the exemplary embodiments, these fastening straps can be designed to be supported on the tubular shielding from the inside. You can also surround the edge of the tubular shield completely or partially or also supported from the outside against the tubular shield.
  • the spring clip may have a central basic structure, in particular a central circular base plate.
  • a central opening may be formed through which the associated pinch seal of the burner can be passed.
  • the spring clip encloses a portion of the burner, in particular a portion of an associated pinch seal of the burner.
  • one or more, in particular two latching tongues can be formed on the central opening for engagement in the recesses on the associated pinch seal.
  • Fig. 1 a sectional view through a reflector lamp is shown.
  • the reflector lamp initially comprises a rotationally symmetrical reflector 11, which encloses a lamp interior 15 together with a cover 14, which may be formed, for example, as a lens. At its end facing away from the cover 14, the reflector 11 tapers and forms a neck region 12. The end of the reflector 11 terminates with an integrally formed bottom 26, are guided by the leads 21, 22. The leads 21, 22 are outside the reflector 11 in contact pins 32, 33 taken. A bottom section 26 facing the neck portion 12, the bottom 26 and the contact pins 32, 33 form a base 13 of the reflector lamp. The base 13 allows a mechanical and electrical connection of the reflector lamp with a corresponding socket.
  • a burner 16 is arranged on the central axis.
  • the burner 16 has two pinch seals 19, 20 at the end and a burner chamber 17 between them.
  • a tubular shield 23 is arranged, which surrounds the burner 16 such that it protrudes from the end of the envelope 23 only on its squish seals 19, 20 of the tubular shield.
  • the tubular shield 23 is located in the neck region 12 of the reflector 11 on stops 25 (see. Fig. 4 , below).
  • the tubular shield 23 may be formed of quartz or glass, for example.
  • the fastening tabs 27 have at their distal end an approximately 90 ° bend with a length of about 1 mm, which are provided for contact with the front edge of the tubular shield 23.
  • the fastening tabs 27 thus have a dual function, namely to align the tubular shield 23 parallel to the optical axis and to lock the tubular shield between the stops 25 and the recesses 31 in the pinch seal 20.
  • the tubular shield 23 may be bent slightly inwardly on the opposite side to prevent or reduce sodium loss.
  • the stops 25 also serve to laterally align the tubular shield 23 so that it is positioned exactly along the optical axis.
  • a central opening 29 is provided, through which the cover 14 facing pinch seal 20 passes.
  • the design is such that the tubular shield 23 is pressed under slight bias in the stops 25 on the reflector 11 and thus fixed.
  • recesses 31 in the pinch seal 20 and thickenings could be formed so that the locking tongues 30 pushed over the thickening and can engage behind the thickening.
  • FIG. 2 is already based on Fig. 1 explained embodiment of a spring clip 24 illustrated enlarged in a perspective view.
  • Fig. 3 an alternative embodiment of a spring clip 24 is illustrated in a perspective view.
  • an at least substantially circular base plate 28 is also provided, wherein here fastening tabs 27 and latching tongues 30 projecting from the base plate 28 not in the same direction, but in the opposite direction.
  • the circular base plate 28 is dimensioned so that it can dip into the tubular shield 23 is in the embodiment according to Fig. 3 provided that the at least substantially circular base plate 28 comes to rest on the front edge of the tubular shield 23 and the mounting tabs 27 dive into the tubular shield 23. It is also possible to lock the tubular shielding on both sides of the burner chamber 17 with two spring clips 24, so that it may be possible to dispense with the fixation in the axial and lateral erection in the region of the stops 25.
  • the feed line 22 supplied from the cover 14 also contributes, in addition to the tubular shield 23, to fixing the burner 16 exactly on the optical axis.
  • the supply line 22 is guided in a shielding tube 34, which in turn can be held on the optical axis in a cylindrical groove to increase the stability and to improve the fixation of the burner 16.
  • Fig. 4 is a comparison of an embodiment of a reflector lamp constructed according to the invention (below) with a reflector lamp according to the prior art (above), wherein the reflector lamp according to the invention even despite larger overall length of the burner 16 over both bruises 19, 20 in total significantly shorter (about 8%) builds. This is because the lamp interior 15 can be formed continuously to the bottom 26 of the reflector 11 and thus the reflector 11 can directly form part of the base 13.

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  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)

Description

Die Erfindung betrifft eine Reflektorlampe insbesondere Metallhalogendampf-Reflektorlampe umfassend einen um eine zentrale Achse rotationssymmetrischen Reflektor, der zusammen mit einer Abdeckung einen Lampeninnenraum umschließt, und sich der Abdeckung gegenüberliegend zu einem Halsbereich verjüngt, wobei auf der zentralen Achse im Lampeninnenraum ein Brenner umfassend einen Brennerraum sowie an gegenüberliegenden Seiten des Brennerraums diametral entgegengesetzt liegende Quetschdichtungen, durch die jeweils Zuleitungen geführt sind, angeordnet ist, wobei den Brenner zumindest teilweise umgebend eine hüllrohrförmige Abschirmung vorgesehen ist.The invention relates to a reflector lamp in particular metal halide vapor reflector lamp comprising a rotationally symmetrical about a central axis reflector which encloses a lamp interior together with a cover, and the cover tapers to a neck region opposite, wherein on the central axis in the lamp interior a burner comprising a burner chamber and on opposite sides of the burner chamber diametrically opposed pinch seals, are guided by the respective supply lines, wherein the burner at least partially surrounding a tubular shield is provided.

Eine derartige Reflektorlampe ist beispielsweise bereits aus der DE 102 33 073 bekannt. Auch in dieser Schrift ist die Problematik der Befestigung der hüllrohrförmigen Abschirmung einerseits sowie des Brenners andererseits bereits angesprochen. Konkret wird im Stand der Technik vorgeschlagen, Brenner und hüllrohrförmige Abschirmung über die der Abdeckung zugewandte Zuleitung festzulegen. Weiterhin wird dort auch vorgeschlagen, die hüllrohrförmige Abschirmung durch Zement gegenüber dem Reflektor zu fixieren.Such a reflector lamp is for example already out of the DE 102 33 073 known. Also in this document, the problem of fixing the tubular shielding on the one hand and the burner on the other hand already addressed. Specifically, it is proposed in the prior art to set burner and tubular shield over the supply line facing the cover. Furthermore, there is also proposed to fix the tubular shield by cement to the reflector.

Die dort vorgeschlagenen Maßnahmen zur Festlegung der hüllrohrförmigen Abschirmung einerseits bzw. des Brenners andererseits haben sich jedoch als in der Fertigung relativ aufwendig erwiesen.The measures proposed there for determining the tubular shielding on the one hand and the burner on the other hand, however, have proven to be relatively expensive to manufacture.

Die Aufgabe der vorliegenden Erfindung besteht folglich darin, eine alternative Anordnung vorzuschlagen, die zumindest die Festlegung von hüllrohrförmiger Abschirmung und Brenner gegeneinander auf zuverlässige und in einer in der Fertigung leicht umsetzbaren Weise löst. Vorteilhafte Weiterbildungen sind in den Unteransprüchen angegeben.The object of the present invention is therefore to propose an alternative arrangement which solves at least the determination of tubular shield and burner against each other in a reliable and easy to implement in manufacturing manner. Advantageous developments are specified in the subclaims.

Ein Kerngedanke der vorliegenden Erfindung besteht darin, den Brenner mit der hüllrohrförmigen Abschirmung, über einen Federclip zu verbinden. In einer konkret bevorzugten Ausgestaltung greift dabei der Federclip direkt sowohl am Brenner, insbesondere an einer seiner Quetschdichtungen, einerseits und an der hüllrohrförmigen Abschirmung, bevorzugtermaßen an einem ihrer Ränder, andererseits an. Der Federclip ist dabei bevorzugtermaßen ein separates Bauteil und sowohl mechanisch als auch elektrisch nicht mit einer der Zufuhrleitungen verbunden.A central idea of the present invention is to connect the burner with the tubular shield, via a spring clip. In a specifically preferred embodiment, the spring clip engages directly both on the burner, in particular on one of its pinch seals, on the one hand, and on the tubular shield, preferably on one of its edges, on the other hand. The spring clip is preferably a separate component and both mechanically and electrically not connected to one of the supply lines.

Die Verwendung von Federclips ist im US-A-5043623 offenbart.The use of spring clips is in US Patent No. 5043623 disclosed.

Der Federclip kann weiterhin als Kühlelement dienen und die Temperaturen im Bereich der distalen Enden der Quetschdichtungen deutlich reduzieren. Gerade auf derjenigen Seite, auf der der Federclip angebracht ist, wirkt er als Abschirmung, so dass der durch den Federclip abgeschirmte Bereich der Quetschdichtung gegenüber den Temperaturen nahe des Brennerraums deutlich kühler gehalten wird.The spring clip can continue to serve as a cooling element and significantly reduce the temperatures in the region of the distal ends of the pinch seals. Especially on the side on which the spring clip is mounted, it acts as a shield, so that the shielded by the spring clip portion of the pinch seal against the temperatures near the burner chamber is kept much cooler.

Gemäß der Erfindung hält der Federclip die hüllrohrförmige Abschirmung gegen einen Anschlag im Halsbereich des Reflektors fest.According to the invention, the spring clip holds the tubular shield against a stop in the neck region of the reflector.

In einer bevorzugten Ausgestaltung sind die Abmessungen so getroffen, dass der Federclip die hüllrohrförmige Abschirmung unter Vorspannung an den Anschlag drückt. In dieser Ausgestaltung wird eine besonders zuverlässige unempfindliche Festlegung der hüllrohrförmigen Abschirmung aber auch des Brenners innerhalb der hüllrohrförmigen Abschirmung erreicht.In a preferred embodiment, the dimensions are such that the spring clip presses the tubular shield under bias to the stop. In this embodiment, a particularly reliable insensitive determination of the tubular shielding but also the burner within the tubular shield is achieved.

In einer ersten bevorzugten Ausgestaltung greift der Federclip an einem der Abdeckung zugewandten Ende der hüllrohrförmigen Abschirmung an. Gerade die gegenseitige Festlegung von hüllrohrförmiger Abschirmung und Brenner in einem dem Halsbereich gegenüberliegenden Bereich des Lampeninnenraums erscheint sinnvoll, da sich im Halsbereich Festlegungen der hüllrohrförmigen Abschirmung sowie des Brenners direkt gegenüber dem Reflektor bzw. mit ihm stabil verbundener Komponenten vornehmen lassen und so dort eine - auch unabhängige - Verankerung bzw. Festlegung von hüllrohrförmiger Abschirmung und Brenner auf vergleichsweise einfache Weise möglich ist.In a first preferred embodiment, the spring clip engages on a cover facing the end of the tubular shield. Just the mutual determination of tubular shield and burner in a region opposite the neck region of the lamp interior seems appropriate, since in the neck determinations of the tubular shield and the burner can make directly opposite the reflector or with it stably connected components and so there - also independent - anchoring or determination of tubular shield and burner in a relatively simple manner is possible.

In einer alternativen Ausgestaltung ist es aber auch denkbar, dass der Federclip an einem der Abdeckung abgewandten Ende der hüllrohrförmigen Abschirmung, also an dem dem Halsbereich des Reflektors zugewandten Ende angreift.In an alternative embodiment, however, it is also conceivable for the spring clip to engage at an end of the tubular-shaped shield facing away from the cover, that is to say at the end facing the neck region of the reflector.

In einer konkret bevorzugten Ausgestaltung kann der Federclip Rastmittel, insbesondere Rastzungen umfassen, die zum Eingriff in eine oder mehrere Ausnehmungen am Brenner, insbesondere an der der Abdeckung zugewandten Quetschdichtung bzw. abgewandten Quetschdichtung ausgebildet sind.In a specifically preferred embodiment, the spring clip may comprise latching means, in particular latching tongues, which are designed to engage in one or more recesses on the burner, in particular on the pinch seal facing the cover or on the opposite pinch seal.

Nach einem besonders bevorzugten Aspekt der vorliegenden Erfindung ist der Brenner ausschließlich über die durch einen der Abdeckung gegenüberliegenden mit dem Reflektor verbundenen oder mit ihm einstückig ausgebildeten im Boden durchgeführten Zuleitungen sowie durch die hüllrohrförmige Abschirmung, die über den Federclip mit dem Brenner verbunden ist, gehalten, insbesondere auf der zentralen Achse ausgerichtet gehalten.According to a particularly preferred aspect of the present invention, the burner is held exclusively by the leads, which are connected to the reflector or formed in one piece with the reflector and carried in the ground, and by the tubular shield connected to the burner via the spring clip, kept aligned in particular on the central axis.

Der Federclip kann aus Metall, insbesondere Federstahl oder aus einem alternativen geeigneten Material gebildet sein.The spring clip may be formed of metal, in particular spring steel or of an alternative suitable material.

Außenliegend kann der Federclip mehrere Befestigungselemente, insbesondere Befestigungslaschen umfassen. Diese Befestigungslaschen können, wie nachstehend anhand der Ausführungsbeispiele veranschaulicht, dazu ausgebildet sein, von innen her sich an der hüllrohrförmigen Abschirmung abzustützen. Sie können auch den Rand der hüllrohrförmigen Abschirmung ganz oder teilweise umgreifen oder sich auch von außen gegenüber der hüllrohrförmigen Abschirmung abstützen.On the outside, the spring clip may comprise a plurality of fastening elements, in particular fastening straps. As illustrated below with reference to the exemplary embodiments, these fastening straps can be designed to be supported on the tubular shielding from the inside. You can also surround the edge of the tubular shield completely or partially or also supported from the outside against the tubular shield.

Weiter kann der Federclip eine zentrale Grundstruktur, insbesondere eine zentrale kreisförmige Grundplatte aufweisen.Furthermore, the spring clip may have a central basic structure, in particular a central circular base plate.

In der kreisförmigen Grundplatte des Federclips kann eine zentrale Öffnung ausgebildet sein, durch die die zugeordnete Quetschdichtung des Brenners hindurchgeführt werden kann. Insofern umschließt der Federclip einen Abschnitt des Brenners, insbesondere einen Abschnitt einer zugeordneten Quetschdichtung des Brenners.In the circular base plate of the spring clip, a central opening may be formed through which the associated pinch seal of the burner can be passed. In this respect, the spring clip encloses a portion of the burner, in particular a portion of an associated pinch seal of the burner.

Randseitig können an der zentralen Öffnung ein oder mehrere, insbesondere zwei Rastzungen ausgebildet sein zum Eingriff in die Ausnehmungen an der zugeordneten Quetschdichtung.On the edge side, one or more, in particular two latching tongues can be formed on the central opening for engagement in the recesses on the associated pinch seal.

Die Erfindung wird nachstehend auch hinsichtlich weiterer Merkmale und Vorteile anhand der Beschreibung von Ausführungsbeispielen und unter Bezugnahme auf die beiliegenden Zeichnungen näher erläutert.The invention will be explained below with regard to further features and advantages with reference to the description of exemplary embodiments and with reference to the accompanying drawings.

Hierbei zeigen:

Fig. 1
eine Schnittansicht durch eine Reflektorlampe
Fig. 2
eine perspektivische Ansicht des bei der Reflektorlampe nach Fig. 1 zum Einsatz gelangenden Federclips
Fig. 3
eine alternative Ausführungsform eines Federclips
Fig. 4
eine Gegenüberstellung einer Ausführungsform einer erfindungsgemäß aufgebauten Reflektorlampe mit einer Reflektorlampe nach dem Stand der Technik, wobei die erfindungsgemäße Lampe trotz sogar größerer Gesamtlänge des Brenners über beide Quetschungen insgesamt deutlich kürzer baut.
Hereby show:
Fig. 1
a sectional view through a reflector lamp
Fig. 2
a perspective view of the reflector lamp after Fig. 1 used spring clips
Fig. 3
an alternative embodiment of a spring clip
Fig. 4
a comparison of an embodiment of a reflector lamp constructed according to the invention with a reflector lamp according to the prior art, wherein the lamp according to the invention builds significantly shorter despite both larger overall length of the burner over both bruises.

In Fig. 1 ist eine Schnittansicht durch eine Reflektorlampe dargestellt. Die Reflektorlampe umfasst zunächst einen rotationssymmetrischen Reflektor 11, der zusammen mit einer Abdeckung 14, die beispielsweise als Linse ausgebildet sein kann, einen Lampeninnenraum 15 umschließt. An seinem der Abdeckung 14 abgewandten Ende verjüngt sich der Reflektor 11 und bildet einen Halsbereich 12 aus. Endseitig schließt der Reflektor 11 mit einem einstückig angeformten Boden 26 ab, durch den Zuleitungen 21, 22 geführt sind. Die Zuleitungen 21, 22 sind außerhalb des Reflektors 11 in Kontaktstiften 32, 33 gefasst. Ein dem Boden 26 zugewandter Teilabschnitt des Halsbereichs 12, der Boden 26 sowie die Kontaktstifte 32, 33 bilden einen Sockel 13 der Reflektorlampe aus. Der Sockel 13 gestattet eine mechanische und elektrische Verbindung der Reflektorlampe mit einer entsprechenden Fassung.In Fig. 1 a sectional view through a reflector lamp is shown. The reflector lamp initially comprises a rotationally symmetrical reflector 11, which encloses a lamp interior 15 together with a cover 14, which may be formed, for example, as a lens. At its end facing away from the cover 14, the reflector 11 tapers and forms a neck region 12. The end of the reflector 11 terminates with an integrally formed bottom 26, are guided by the leads 21, 22. The leads 21, 22 are outside the reflector 11 in contact pins 32, 33 taken. A bottom section 26 facing the neck portion 12, the bottom 26 and the contact pins 32, 33 form a base 13 of the reflector lamp. The base 13 allows a mechanical and electrical connection of the reflector lamp with a corresponding socket.

Im Lampeninnenraum 15 ist auf der zentralen Achse ein Brenner 16 angeordnet. Der Brenner 16 weist endseitig zwei Quetschdichtungen 19, 20 und dazwischen einen Brennerraum 17 auf. Um den Brenner 16 herum ist eine hüllrohrförmige Abschirmung 23 angeordnet, die den Brenner 16 derart umschließt, dass er endseitig nur über seine Quetschdichtungen 19, 20 aus der hüllrohrförmigen Abschirmung 23 hinausragt. Die hüllrohrförmige Abschirmung 23 liegt im Halsbereich 12 des Reflektors 11 an Anschlägen 25 (vgl. Fig. 4, unten) an.In the lamp interior 15, a burner 16 is arranged on the central axis. The burner 16 has two pinch seals 19, 20 at the end and a burner chamber 17 between them. Around the burner 16 around a tubular shield 23 is arranged, which surrounds the burner 16 such that it protrudes from the end of the envelope 23 only on its squish seals 19, 20 of the tubular shield. The tubular shield 23 is located in the neck region 12 of the reflector 11 on stops 25 (see. Fig. 4 , below).

Die hüllrohrförmige Abschirmung 23 kann beispielsweise aus Quarz oder Glas gebildet sein.The tubular shield 23 may be formed of quartz or glass, for example.

Mittels eines Federclips 24 werden Brenner 16 und hüllrohrförmige Abschirmung 23 an ihrem der Abdeckung 14 zugewandten Ende gegeneinander festgelegt. Hierzu weist der Federclip 24 außenliegend mehrere, hier konkret vier (vgl. Fig. 2), Befestigungslaschen 27 auf, die zur Anlage an die hüllrohrförmige Abschirmung 23 vorgesehen sind. Die Befestigungslaschen sind in einem bestimmten Winkel, vorzugsweise von 5° bis 10° nach außen gebogen, wobei diese Auswärtsbiegung in etwa Null wird, also die Befestigungslaschen 27 entlang der zentralen Achse orientiert sind, sobald sie an der hüllrohrförmigen Abschirmung 23 unter vorbestimmter Vorspannung anliegen. Die Befestigungslaschen 27 haben an ihrem distalen Ende eine etwa 90° Umbiegung mit einer Länge von ca. 1 mm, die zur Anlage am stirnseitigen Rand der hüllrohrförmigen Abschirmung 23 vorgesehen sind. Die Befestigungslaschen 27 haben somit eine Doppelfunktion, nämlich die hüllrohrförmige Abschirmung 23 parallel zur optischen Achse auszurichten und die hüllrohrförmige Abschirmung zwischen den Anschlägen 25 und den Ausnehmungen 31 in der Quetschdichtung 20 zu arretieren.By means of a spring clip 24 burner 16 and tubular shield 23 are set at its cover 14 facing the end against each other. For this purpose, the spring clip 24 on the outside several, here four concrete (see. Fig. 2 ), Fastening tabs 27, which are provided for engagement with the tubular shield 23. The fastening tabs are bent outwards at a certain angle, preferably from 5 ° to 10 °, this outward bending becoming approximately zero, that is to say the fastening tabs 27 are oriented along the central axis as soon as they rest against the tubular shielding 23 under a predetermined pretension. The fastening tabs 27 have at their distal end an approximately 90 ° bend with a length of about 1 mm, which are provided for contact with the front edge of the tubular shield 23. The fastening tabs 27 thus have a dual function, namely to align the tubular shield 23 parallel to the optical axis and to lock the tubular shield between the stops 25 and the recesses 31 in the pinch seal 20.

Die hüllrohrförmige Abschirmung 23 kann auf der gegenüberliegenden Seite leicht nach innen gebogen sein, um Sodium Loss zu verhindern bzw. zu reduzieren.The tubular shield 23 may be bent slightly inwardly on the opposite side to prevent or reduce sodium loss.

Die Anschläge 25 dienen gleichzeitig dazu, die hüllrohrförmige Abschirmung 23 auch lateral auszurichten, so dass sie exakt entlang der optischen Achse positioniert ist.The stops 25 also serve to laterally align the tubular shield 23 so that it is positioned exactly along the optical axis.

Innerhalb einer kreisförmigen Grundplatte 28 des Federclips 24 ist eine zentrale Öffnung 29 vorgesehen, durch die die der Abdeckung 14 zugewandte Quetschdichtung 20 hindurch tritt. Am Rande der zentralen Öffnung 29 sind eine oder mehrere Rastzungen 30, hier konkret zwei Rastzungen, vorgesehen, die in Ausnehmungen 31 in der Quetschdichtung 20 eingreifen und so den Federclip 24 in seiner Längsposition bezogen auf die Längserstreckung des Brenners 16 arretieren. Gleichzeitig ist die Bemessung so getroffen, dass die hüllrohrförmige Abschirmung 23 unter leichter Vorspannung in die Anschläge 25 am Reflektor 11 gedrückt und somit festgelegt wird. Anstelle von Ausnehmungen 31 in der Quetschdichtung 20 könnten auch Verdickungen angeformt sein, so dass die Rastzungen 30 über die Verdickungen geschoben und hinter die Verdickungen eingreifen können.Within a circular base plate 28 of the spring clip 24, a central opening 29 is provided, through which the cover 14 facing pinch seal 20 passes. At the edge of the central opening 29 are one or more locking tongues 30, in this case two locking tongues, provided in the recesses 31 in the pinch seal 20 engage and so lock the spring clip 24 in its longitudinal position relative to the longitudinal extent of the burner 16. At the same time the design is such that the tubular shield 23 is pressed under slight bias in the stops 25 on the reflector 11 and thus fixed. Instead of recesses 31 in the pinch seal 20 and thickenings could be formed so that the locking tongues 30 pushed over the thickening and can engage behind the thickening.

In Fig. 2 ist die bereits anhand von Fig. 1 erläuterte Ausführungsform eines Federclips 24 vergrößert in perspektivischer Darstellung veranschaulicht. In Fig. 3 ist eine alternative Ausführungsform eines Federclips 24 in perspektivischer Darstellung veranschaulicht. Bei dieser Ausführungsform ist ebenfalls eine zumindest im wesentlichen kreisförmige Grundplatte 28 vorgesehen, wobei hier Befestigungslaschen 27 und Rastzungen 30 ausgehend von der Grundplatte 28 nicht in die gleiche Richtung, sondern in entgegengesetzter Richtung abstehen.In Fig. 2 is already based on Fig. 1 explained embodiment of a spring clip 24 illustrated enlarged in a perspective view. In Fig. 3 an alternative embodiment of a spring clip 24 is illustrated in a perspective view. In this embodiment, an at least substantially circular base plate 28 is also provided, wherein here fastening tabs 27 and latching tongues 30 projecting from the base plate 28 not in the same direction, but in the opposite direction.

Während bei der Ausführungsform nach Fig. 2 die kreisförmige Grundplatte 28 so bemessen ist, dass sie in die hüllrohrförmige Abschirmung 23 eintauchen kann, ist bei der Ausführungsform nach Fig. 3 vorgesehen, dass die zumindest im Wesentlichen kreisförmige Grundplatte 28 am stirnseitigen Rand der hüllrohrförmigen Abschirmung 23 zur Anlage kommt und die Befestigungslaschen 27 in die hüllrohrförmige Abschirmung 23 eintauchen. Es ist auch möglich, die hüllrohrförmige Abschirmung beidseits des Brennerraums 17 mit zwei Federclips 24 zu arretieren, so dass unter Umständen auf die Fixierung in axialer und lateraler Errichtung im Bereich der Anschläge 25 verzichtet werden kann.While in the embodiment according to Fig. 2 the circular base plate 28 is dimensioned so that it can dip into the tubular shield 23 is in the embodiment according to Fig. 3 provided that the at least substantially circular base plate 28 comes to rest on the front edge of the tubular shield 23 and the mounting tabs 27 dive into the tubular shield 23. It is also possible to lock the tubular shielding on both sides of the burner chamber 17 with two spring clips 24, so that it may be possible to dispense with the fixation in the axial and lateral erection in the region of the stops 25.

Die von der Abdeckung 14 her zugeführte Zuleitung 22 trägt neben der hüllrohrförmigen Abschirmung 23 ebenfalls dazu bei, den Brenner 16 exakt auf der optischen Achse zu fixieren. Hierzu ist die Zuleitung 22 in einem Abschirmungsröhrchen 34 geführt, wobei dieses wiederum zur Erhöhung der Stabilität und zur Verbesserung der Fixierung des Brenners 16 auf der optischen Achse in einer zylindrischen Nut gehalten sein kann.The feed line 22 supplied from the cover 14 also contributes, in addition to the tubular shield 23, to fixing the burner 16 exactly on the optical axis. For this purpose, the supply line 22 is guided in a shielding tube 34, which in turn can be held on the optical axis in a cylindrical groove to increase the stability and to improve the fixation of the burner 16.

In Fig. 4 ist eine Gegenüberstellung einer Ausführungsform einer erfindungsgemäß aufgebauten Reflektorlampe (unten) mit einer Reflektorlampe nach dem Stand der Technik (oben) dargestellt, wobei die erfindungsgemäße Reflektorlampe sogar trotz größerer Gesamtlänge des Brenners 16 über beide Quetschungen 19, 20 insgesamt deutlich kürzer (ca. 8%) baut. Dies liegt daran, dass der Lampeninnenraum 15 durchgehend bis zum Boden 26 des Reflektors 11 ausgebildet sein kann und somit der Reflektor 11 direkt einen Teil des Sockels 13 bilden kann.In Fig. 4 is a comparison of an embodiment of a reflector lamp constructed according to the invention (below) with a reflector lamp according to the prior art (above), wherein the reflector lamp according to the invention even despite larger overall length of the burner 16 over both bruises 19, 20 in total significantly shorter (about 8%) builds. This is because the lamp interior 15 can be formed continuously to the bottom 26 of the reflector 11 and thus the reflector 11 can directly form part of the base 13.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

1111
Reflektorreflector
1212
Halsbereichneck
1313
Sockelbase
1414
Abdeckungcover
1515
LampeninnenraumLamp interior
1616
Brennerburner
1717
Brennerraumburner chamber
19, 2019, 20
Quetschdichtungenpinch seals
21, 2221, 22
Zuleitungenleads
2323
hüllrohrförmige Abschirmungtubular shielding
2424
Federclipspring clip
2525
Anschlagattack
2626
Bodenground
2727
Befestigungslaschenmounting tabs
2828
kreisförmige Grundplattecircular base plate
2929
zentrale Öffnungcentral opening
3030
Rastzungenlocking tongues
3131
Ausnehmungenrecesses
32, 3332, 33
Kontaktstiftecontact pins
3434
Abschirmungsröhrchenshielding tube

Claims (11)

  1. A reflector lamp, in particular a metal halide vapour reflector lamp, comprising a reflector (11) which is rotationally symmetrical about a central axis and, together with a cover (14), encloses a lamp interior (15) and tapers towards a neck area (12) situated opposite the cover (14),
    wherein a burner (16) comprising a burner chamber (17) is arranged on the central axis in the lamp interior (15) as are, at opposing sides of the burner chamber, diametrically opposed pinch seals (19, 20) through which run feed lines (21, 22),
    wherein a cladding tube-like shielding (23) connected to the burner (16) by means of a spring clip (24) is provided to at least partially surround the burner (16),
    wherein the spring clip (24) is provided as a separate component and holds the cladding tube-like shielding (23) against a stop (25) in the neck area (12) of the reflector (11).
  2. The reflector lam according to claim 1,
    characterized in that
    the spring clip (24) biases the cladding tube-like shielding against the stop (25).
  3. The reflector lamp according to claim 1 or 2,
    characterized in that
    the spring clip (24) engages at an end of the cladding tube-like shielding (23) facing the cover (14).
  4. The reflector lamp according to any one of claims 1 to 3,
    characterized in that
    the spring clip (24) engages at an end of the cladding tube-like shielding (23) facing away from the cover (14).
  5. The reflector lamp according to any one of claims 1 to 4,
    characterized in that
    the spring clip (24) comprises snap-in means, in particular snap-in tongues (30) for a snap-in engagement into one or more recesses (31) on the burner (16), in particular on the pinch seal (20) facing the cover (14) and/or the pinch seal (20) facing away from the cover (14), respectively.
  6. The reflector lamp according to any one of claims 1 to 5,
    characterized in that
    the burner (16) is kept aligned on the central axis exclusively by the feed lines (21, 22) running through a base (26) situated opposite the cover (14) and connected to the reflector (11) or configured to be integral therewith, as well as by the cladding tube-like shielding (23) which is connected to the burner (16) by means of the spring clip (24).
  7. The reflector lamp according to any one of claims 1 to 6,
    characterized in that
    the spring clip (24) is made of metal, in particular spring steel.
  8. The reflector lamp according to any one of claims 1 to 7,
    characterized in that
    the spring clip (24) comprises several fastening elements on its outside, in particular fastening clips (27).
  9. The reflector lamp according to any one of claims 1 to 8,
    characterized in that
    the spring clip (24) comprises a central base structure, in particular a central circular base plate (28).
  10. The reflector lamp according to any one of claims 1 to 9,
    characterized in that
    a central opening (29) is formed in the circular base plate (28) through which the associated pinch seal (19, 20) may be guided.
  11. The reflector lamp according to claim 10,
    characterized in that
    one or more, in particular two snap-in tongues (30) are formed at the edge on the central opening (29) for engagement into the recesses (31) on the associated pinch seal (19, 20).
EP07104360A 2007-03-16 2007-03-16 Reflector lamp with a shroud Not-in-force EP1970938B1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP07104360A EP1970938B1 (en) 2007-03-16 2007-03-16 Reflector lamp with a shroud
DE502007001845T DE502007001845D1 (en) 2007-03-16 2007-03-16 Reflector lamp with enveloping bulb
DE202008000356U DE202008000356U1 (en) 2007-03-16 2008-01-09 Reflector lamp with enveloping bulb
CN2008100809275A CN101447390B (en) 2007-03-16 2008-02-29 Reflector lamp with a shroud
US12/047,476 US7837356B2 (en) 2007-03-16 2008-03-13 Reflector lamp with outer bulb

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP07104360A EP1970938B1 (en) 2007-03-16 2007-03-16 Reflector lamp with a shroud

Publications (2)

Publication Number Publication Date
EP1970938A1 EP1970938A1 (en) 2008-09-17
EP1970938B1 true EP1970938B1 (en) 2009-10-28

Family

ID=38268869

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07104360A Not-in-force EP1970938B1 (en) 2007-03-16 2007-03-16 Reflector lamp with a shroud

Country Status (4)

Country Link
US (1) US7837356B2 (en)
EP (1) EP1970938B1 (en)
CN (1) CN101447390B (en)
DE (2) DE502007001845D1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006049600A1 (en) * 2006-10-20 2008-04-24 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Lamp module for projectors
US9857554B2 (en) * 2015-03-18 2018-01-02 Smart Vision Lights Spring clips for mounting optics structures on an associated circuit board, and assemblies including the spring clips
CN107452594B (en) * 2017-08-11 2024-04-09 湖南微朗科技有限公司 Electromagnetic shielding strip for ultraviolet lamp, electromagnetic shielding assembly and ultraviolet lamp

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5252885A (en) * 1989-12-11 1993-10-12 Gte Products Corporation Metal halide arc discharge lamp assembly
US5043623A (en) * 1990-12-06 1991-08-27 Gte Products Corporation Reflector lamp assembly including metal halide arc tube
JP3228310B2 (en) * 1993-08-27 2001-11-12 松下電子工業株式会社 Metal halide lamp
BE1008050A3 (en) * 1994-01-24 1996-01-03 Philips Electronics Nv High-pressure discharge lamp.
US5493167A (en) * 1994-05-03 1996-02-20 General Electric Company Lamp assembly with shroud employing insulator support stops
US6741013B2 (en) * 2000-12-13 2004-05-25 General Electric Company Shrouded electric lamp having functionally distinguishable center supports
DE10233073B3 (en) * 2002-07-19 2004-02-12 Sli Lichtsysteme Gmbh reflector lamp
US6741034B2 (en) * 2002-08-22 2004-05-25 Osram Sylvania Inc. Starting aid for high intensity discharge lamp
US6930443B2 (en) * 2003-03-14 2005-08-16 Osram Sylvania Inc. Arc tube/shroud holder for hid lamp
JP3906835B2 (en) * 2003-10-29 2007-04-18 岩崎電気株式会社 Metal vapor discharge lamp
US7375456B2 (en) * 2005-03-31 2008-05-20 Osram Sylvania Inc. Mount for high intensity discharge lamp

Also Published As

Publication number Publication date
DE502007001845D1 (en) 2009-12-10
US7837356B2 (en) 2010-11-23
CN101447390B (en) 2011-08-03
EP1970938A1 (en) 2008-09-17
US20080225529A1 (en) 2008-09-18
CN101447390A (en) 2009-06-03
DE202008000356U1 (en) 2008-03-20

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