EP0780884B1 - Lamp reflector unit - Google Patents

Lamp reflector unit Download PDF

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Publication number
EP0780884B1
EP0780884B1 EP96118983A EP96118983A EP0780884B1 EP 0780884 B1 EP0780884 B1 EP 0780884B1 EP 96118983 A EP96118983 A EP 96118983A EP 96118983 A EP96118983 A EP 96118983A EP 0780884 B1 EP0780884 B1 EP 0780884B1
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EP
European Patent Office
Prior art keywords
reflector
lamp
unit according
reflector 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.)
Expired - Lifetime
Application number
EP96118983A
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German (de)
French (fr)
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EP0780884A1 (en
Inventor
Roland Mayer
Elmar Ender
Anton Würmser
Martin Henrich
Thomas Geiger
Rudolf Christl
Karl-Dieter Fischer
Frank Glöckler
Norbert Wagner
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Osram GmbH
Original Assignee
Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH
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Classifications

    • 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
    • F21V19/00—Fastening of light sources or lamp holders
    • F21V19/0005—Fastening of light sources or lamp holders of sources having contact pins, wires or blades, e.g. pinch sealed lamp
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J5/00—Details relating to vessels or to leading-in conductors common to two or more basic types of discharge tubes or lamps
    • H01J5/50—Means forming part of the tube or lamps for the purpose of providing electrical connection to it
    • H01J5/54—Means forming part of the tube or lamps for the purpose of providing electrical connection to it supported by a separate part, e.g. base
    • H01J5/58—Means for fastening the separate part to the vessel, e.g. by cement
    • H01J5/60—Means for fastening the separate part to the vessel, e.g. by cement for fastening by mechanical means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/42—Means forming part of the lamp for the purpose of providing electrical connection, or support for, the lamp
    • H01K1/46—Means forming part of the lamp for the purpose of providing electrical connection, or support for, the lamp supported by a separate part, e.g. base, cap

Definitions

  • the invention relates to a lamp reflector unit according to the Preamble of claim 1.
  • the invention is also suitable for discharge lamps, especially small-watt metal halide lamps.
  • Such lamps are usually held in the reflector neck by means of cement, see for example EP-A-495 194.
  • a lamp reflector unit is known from US Pat. No. 4,855,634, where the two led out of the pinch seal of the lamp Power supply in each case in an opening in the reflector neck through a rivet are held.
  • the rivet itself is preferably cemented into the opening.
  • a lamp reflector unit which with a halogen lamp. It has a rectangular bruise with cross ribs, by means of which the lamp in the reflector through Pot-like fastening element attached to the outside of the reflector neck is.
  • a centering disk which is attached to the pinch, secures the axial position of the lamp. Its outer edge lies on the inside of the reflector in the area of the transition between reflector contour and reflector neck on. This will change the support dimension on the lamp-reflector unit enables.
  • a lamp-reflector unit is known with two resilient disks (10) which hold the lamp in the reflector by means of elastic tongues (13) which attack the pinch seal (5).
  • the lamp-reflector unit according to the invention consists of a lamp, whose pistons are sealed at least on a first side with a seal is.
  • these are single-sided lamps pinched piston, however, the invention is also arranged axially pistons pinched on both sides. It is also for the invention not necessary to use a bruise as a seal becomes. In principle, a meltdown can also be used.
  • At least one power supply from the piston is from the seal led out.
  • the extension be designed as a pen.
  • the reflector of the assembly consists of a calotte, which is made of a reflective Contour (preferably faceted) and a reflector neck.
  • the reflector defines a reflector axis, the first or only one Sealing of the piston, generally the pinch seal, in the reflector neck is arranged.
  • the reflector neck has at least one opening near the top through which a power supply or its extension is led to the outside. in the in general, however, is any power supply arranged in the reflector neck assigned a separate apex opening.
  • Each power supply is covered by a fastener, the the outside of the apex opening.
  • a fastener a disc or a pin sleeve, i.e. a sleeve, at the outer end has a collar.
  • a fastener also a rivet, i.e. a sleeve, one at both ends Has collar.
  • the assembly contains a resilient connected to the lamp Element whose spring force acts in the reflector axis.
  • the spring element is supported in the interior of the reflector, preferably in the area of the reflector neck from, where it is under a clamping force of at least 0.3 N.
  • the clamping force is low, it is recommended that the fasteners be used the apex openings are centered.
  • The is particularly preferably The clamping force is at least 5 N.
  • the lamp is fixed like this reliable that simple perforated disks are sufficient as fasteners.
  • sleeve-like fastening elements pin sleeves, rivets
  • the diameter of which is not the diameter of the opening are exactly adjusted.
  • the resilient element is preferably a centering plate made of spring plate rests on a shoulder, preferably in the region of the reflector neck.
  • the Centering disc is connected to the pinch of the lamp.
  • the resilient element is a disc spring on the inside the opening of the reflector neck.
  • the disc spring is with the external power supply or its extension connected.
  • step a) it does not matter whether the lamp is first in the reflector is used and only then put the centering disc over the lamp or whether the centering disc is already in the reflector before insertion the lamp is used.
  • Step b) is preferably carried out at the end of step a). However, it can also already take place as an intermediate step during step a). The latter is preferred then the case when the fastener is a rivet. In this case a pin sleeve is first inserted into the apex opening from the outside and then the inner collar of the rivet made by pressing of expansion pins. When using rivets, it is recommended that the resilient element is formed by a centering disk.
  • step c) the lamp is in from above, that is, from the reflector opening Pressed towards the apex, in particular by means of a stamp.
  • connection in step d) is preferably carried out by laser welding.
  • a cover plate can also be inserted into the reflector opening be used.
  • FIG. 1 shows a halogen incandescent lamp reflector unit which consists of a Halogen lamp 1 pinched on one side with a schematically shown Luminous body 2, a bulb 3 and a pinch seal 4 is made.
  • the halogen incandescent lamp 1 sits in a reflector 5 made of aluminum-coated Glass, which consists of a faceted reflector contour 6 and a reflector neck 7 exists and has an axis x.
  • a reflector 5 made of aluminum-coated Glass, which consists of a faceted reflector contour 6 and a reflector neck 7 exists and has an axis x.
  • an annular circumferential shoulder 8 In the area of transition between contour 6 and neck 7 there is an annular circumferential shoulder 8, on which the circular edge 9 of a centering disk 10 rests.
  • the edge 9 goes inwards into an enclosure 11 for a rectangular recess about in which the pinch seal 4 of the lamp is inserted and so the lamp is supported.
  • the luminous element 2 is via two inner power supply lines 12, foils 13 and external power leads 14 connected to extension pins 15.
  • the pins 15 are through two openings 16 in the apex of the reflector led out of the reflector neck 7.
  • Two perforated disks 17 on the outside the apex openings 16 are welded to the pins 15.
  • the centering disc 10 is under a bias of 9 N, so that the Lamp is firmly locked in the reflector. With such a high bias a vote between the diameter of the pin 15 and that of the Vertex opening 16 is not necessary.
  • the reflector opening 18 is closed with a cover plate 40.
  • Fig. 2 shows the manufacture of such a unit.
  • the Lamp 1 inserted into the centering disk 10 (step a1).
  • this unit is inserted from the reflector opening 18 into the reflector 5 (Step a2) until the centering disk 10 rests on the shoulder 8.
  • the Perforated discs 17 fed (step b) and via the extension pins 15 to pushed to the apex opening 16.
  • the piston is stamped 19 3 pressed towards the apex opening 16 (step c).
  • the perforated disks 17 are welded to the pins 15 (step d). Subsequently the stamp 19 is removed.
  • Fig. 3 shows a section of a further embodiment of a Lamp-reflector unit, which corresponds essentially to the structure of FIG. 1.
  • the only difference is the use of pen sleeves 20 as a fastener.
  • the collar 21 is located on the outside of the apex opening 16 on. Its diameter is adapted to that of the apex opening 16. At a preload of 0.5 N is sufficient for this arrangement.
  • Fig. 4 shows a section of a third embodiment of a Lamp-reflector unit, which corresponds essentially to the structure of FIG. 1.
  • the only difference is in the use of rivets 25 as a fastener. Its diameter is that of the apex opening 16 customized.
  • the first, outer collar 26 of the rivet lies on the outside at the apex opening 16 on.
  • the second, inner collar 27 lies on the inside at the apex opening 16 on.
  • Rivets 25 are welded to the pins 15 in the area of the outer collar 26.
  • a fourth embodiment which is shown in Fig. 6, is on a centering disc as a resilient element is dispensed with. Instead, it will Resilient element formed by two plate springs 35, which on the pins 36th are attached by laser welding.
  • the plate springs 35 are, as in Fig. 7, connected to the lamp 1 even before installation in the reflector (Step al). Only then is the lamp 1 inserted into the reflector 5 (Step a2) that the plate springs 35 inside the apex openings 16 lie on.
  • Two pin sleeves 20 are threaded onto the pins 36 from the outside, until the collar 26 similar to that in Fig. 3 outside at the apex opening (step b). Then the lamp 1 is depressed with a stamp 19 (Step c).
  • the pin sleeves 20 are welded to the pins 36 (Step d).
  • Such an arrangement is preferably suitable for low preloads up to approx. 1 N.
  • the pin sleeves ensure a certain adjustment with the help of the apex opening

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
  • Securing Globes, Refractors, Reflectors Or The Like (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)

Description

Die Erfindung geht aus von einer Lampen-Reflektor-Einheit gemäß dem Oberbegriff des Anspruchs 1.The invention relates to a lamp reflector unit according to the Preamble of claim 1.

Es handelt sich dabei insbesondere um Baueinheiten, bei denen die Lampen Halogenglühlampen sind. Die Erfindung eignet sich jedoch auch für Entladungslampen, insbesondere kleinwattige Metallhalogenidlampen.These are in particular units in which the lamps Halogen bulbs are. However, the invention is also suitable for discharge lamps, especially small-watt metal halide lamps.

Üblicherweise sind derartige Lampen mittels Kitt im Reflektorhals gehaltert, siehe beispielsweise EP-A-495 194.Such lamps are usually held in the reflector neck by means of cement, see for example EP-A-495 194.

Weiterhin ist aus der US-A-4 855 634 eine Lampen-Reflektor-Einheit bekannt, bei der die beiden aus der Quetschdichtung der Lampe herausgeführten Stromzuführungen jeweils in einer Öffnung im Reflektorhals durch ein Niet gehalten sind. Um Toleranzen zwischen Niet und zugehöriger Öffnung auszugleichen, ist die Niet selbst bevorzugt in die Öffnung eingekittet.Furthermore, a lamp reflector unit is known from US Pat. No. 4,855,634, where the two led out of the pinch seal of the lamp Power supply in each case in an opening in the reflector neck through a rivet are held. To compensate for tolerances between the rivet and the associated opening, the rivet itself is preferably cemented into the opening.

Aus der EP-A-440 911 ist eine Lampen-Reflektor-Einheit bekannt, die mit einer Halogenglühlampe bestückt ist. Sie weist eine rechteckige Quetschung mit Querrippen auf, mittels deren Hilfe die Lampe im Reflektor durch ein außen am Reflektorhals angebrachtes topfartiges Befestigungselement gehaltert ist. Eine Zentrierscheibe, die an der Quetschung befestigt ist, sichert die axiale Lage der Lampe. Ihr äußerer Rand liegt auf der Innenseite des Reflektors im Bereich des Übergangs zwischen Reflektorkontur und Reflektorhals auf. Damit wird eine Veränderung des Auflagemaßes an der Lampen-Reflektor-Einheit ermöglicht.From EP-A-440 911 a lamp reflector unit is known, which with a halogen lamp. It has a rectangular bruise with cross ribs, by means of which the lamp in the reflector through Pot-like fastening element attached to the outside of the reflector neck is. A centering disk, which is attached to the pinch, secures the axial position of the lamp. Its outer edge lies on the inside of the reflector in the area of the transition between reflector contour and reflector neck on. This will change the support dimension on the lamp-reflector unit enables.

Aus der FR-A-2 385 980 ist eine Lampen-Reflektor-Einheit bekannt mit zwei federnden Scheiben (10) die die Lampe im Reflektor festhalten mittels elastischen Zungen (13) die an der Quetschdichtung (5) angreifen.From FR-A-2 385 980 a lamp-reflector unit is known with two resilient disks (10) which hold the lamp in the reflector by means of elastic tongues (13) which attack the pinch seal (5).

Es ist Aufgabe der vorliegenden Erfindung, eine Lampen-Reflektor-Einheit gemäß dem Oberbegriff des Anspruchs 1 bereitzustellen, die einfach und billig hergestellt werden kann, sowie ein entsprechendes Verfahren anzugeben.It is an object of the present invention to provide a lamp reflector unit according to the preamble of claim 1, which is simple and can be produced cheaply, and to specify a corresponding method.

Diese Aufgabe wird durch die kennzeichnenden Merkmale des Anspruchs 1 gelöst. Besonders vorteilhafte Ausgestaltungen finden sich in den abhängigen Ansprüchen. Ein Verfahren ist in Anspruch 9 angegeben. This object is achieved by the characterizing features of claim 1 solved. Particularly advantageous configurations can be found in the dependent ones Claims. A method is set out in claim 9.

Die erfindungsgemäße Lampen-Reflektor-Einheit besteht aus einer Lampe, deren Kolben zumindest an einer ersten Seite mit einer Abdichtung verschlossen ist. Im allgemeinen handelt es sich dabei um Lampen mit einseitig gequetschtem Kolben, jedoch ist die Erfindung auch auf axial angeordnete zweiseitig gequetschte Kolben anwendbar. Darüber hinaus ist es für die Erfindung nicht notwendig, daß eine Quetschung als Abdichtung verwendet wird. Es kann prinzipiell auch eine Einschmelzung verwendet werden.The lamp-reflector unit according to the invention consists of a lamp, whose pistons are sealed at least on a first side with a seal is. In general, these are single-sided lamps pinched piston, however, the invention is also arranged axially pistons pinched on both sides. It is also for the invention not necessary to use a bruise as a seal becomes. In principle, a meltdown can also be used.

Aus der Abdichtung ist mindestens eine Stromzuführung aus dem Kolben herausgeführt. Im allgemeinen sind jedoch meist zwei Stromzuführung nebeneinander aus einer einzigen Quetschung herausgeführt. Häufig ist es nicht die Stromzuführung selbst, sondern deren Verlängerung, die aus dem Reflektor heraus nach außen geführt ist. Beispielsweise kann die Verlängerung als Stift ausgeführt sein.At least one power supply from the piston is from the seal led out. In general, however, there are usually two power supplies side by side led out of a single bruise. It is common not the power supply itself, but its extension, which results from the Reflector is led outwards. For example, the extension be designed as a pen.

Der Reflektor der Baueinheit besteht aus einer Kalotte, die aus einer reflektierenden Kontur (vorzugsweise facettiert) und einem Reflektorhals besteht. Der Reflektor definiert eine Reflektorachse, wobei die erste oder einzige Abdichtung des Kolbens, im allgemeinen also die Quetschdichtung, im Reflektorhals angeordnet ist.The reflector of the assembly consists of a calotte, which is made of a reflective Contour (preferably faceted) and a reflector neck. The reflector defines a reflector axis, the first or only one Sealing of the piston, generally the pinch seal, in the reflector neck is arranged.

Der Reflektorhals besitzt mindestens eine Öffnung in Scheitelnähe, durch die eine Stromzuführung bzw. deren Verlängerung nach außen geführt ist. Im allgemeinen ist aber jeder im Reflektorhals angeordneter Stromzuführung eine separate Scheitelöffnung zugeordnet.The reflector neck has at least one opening near the top through which a power supply or its extension is led to the outside. in the in general, however, is any power supply arranged in the reflector neck assigned a separate apex opening.

Jede Stromzuführung ist von einem Befestigungselement ummantelt, das an der Außenseite der Scheitelöffnung anliegt. Als Befestigungselement eignet sich eine Scheibe oder eine Stifthülse, also eine Hülse, die am äußeren Ende einen Kragen aufweist. Unter bestimmten Umständen eignet sich als Befestigungselement auch ein Niet, also eine Hülse, die an beiden Enden einen Kragen aufweist.Each power supply is covered by a fastener, the the outside of the apex opening. Suitable as a fastener a disc or a pin sleeve, i.e. a sleeve, at the outer end has a collar. In certain circumstances it is suitable as a fastener also a rivet, i.e. a sleeve, one at both ends Has collar.

Zusätzlich enthält die Baueinheit ein mit der Lampe verbundenes federndes Element, dessen Federkraft in der Reflektorachse wirkt. Das federnde Element stützt sich im Innern des Reflektors, bevorzugt im Bereich des Reflektorhals ab, wobei es unter einer Spannkraft von mindestens 0,3 N steht. Eine derart aufgebaute Baueinheit vereinfacht das Justieren der Lampe erheblich und vermeidet auch eine spätere Dejustierung. Klappergeräusche werden verhindert. Diese Anordnung ist einfach und schnell montierbar, da das zeitaufwendige Ausheizen des Kitts entfällt, und kommt mit einem Minimum an Justieraufwand auf. In diesem Zusammenhang ist eine facettierte Reflektorkontur von besonderem Vorteil, da sie unempflindlich gegen geringe dejustierung ist.In addition, the assembly contains a resilient connected to the lamp Element whose spring force acts in the reflector axis. The spring element is supported in the interior of the reflector, preferably in the area of the reflector neck from, where it is under a clamping force of at least 0.3 N. A thus constructed assembly simplifies the adjustment of the lamp considerably and also avoids subsequent misalignment. There will be rattling noises prevented. This arrangement is quick and easy to assemble, since it is time-consuming The putty does not need to be baked out and arrives with a minimum Adjustment effort. In this context is a faceted reflector contour Of particular advantage, as they are insensitive to slight misalignment is.

Bei geringer Spannkraft empfiehlt sich, daß die Befestigungselemente mittels der Scheitelöffnungen zentriert sind. Besonders bevorzugt beträgt die Spannkraft mindestens 5 N. In diesem Fall ist die Fixierung der Lampe so zuverlässig, daß einfache Lochscheiben als Befestigungselemente ausreichen. Es können aber auch hülsenartige Befestigungselemente (Stifthülsen, Niete) verwendet werden, deren Durchmesser dem Durchmesser der Öffnung nicht exakt angepaßt sind.If the clamping force is low, it is recommended that the fasteners be used the apex openings are centered. The is particularly preferably The clamping force is at least 5 N. In this case the lamp is fixed like this reliable that simple perforated disks are sufficient as fasteners. But sleeve-like fastening elements (pin sleeves, rivets) can also be be used, the diameter of which is not the diameter of the opening are exactly adjusted.

Das federnde Element ist bevorzugt eine Zentrierscheibe aus Federblech, die an einem Absatz, bevorzugt im Bereich des Reflektorhalses, aufliegt. Die Zentrierscheibe ist mit der Quetschung der Lampe verbunden. Eine andere Möglichkeit ist, daß das federnde Element eine Tellerfeder ist, die an der Innenseite der Öffnung des Reflektorhalses anliegt. Die Tellerfeder ist mit der äußeren Stromzuführung oder deren Verlängerung verbunden.The resilient element is preferably a centering plate made of spring plate rests on a shoulder, preferably in the region of the reflector neck. The Centering disc is connected to the pinch of the lamp. Another Possibility is that the resilient element is a disc spring on the inside the opening of the reflector neck. The disc spring is with the external power supply or its extension connected.

Ein Verfahren zur Herstellung einer Lampen-Reflektor-Einheit gemäß der vorliegenden Erfindung beinhaltet folgende Schritte:

  • a) die Lampe und das federnde Element werden mit dem Reflektor zusammengefügt,
  • b) spätestens am Ende von Schritt a) wird jeweils ein Befestigungselement am äußeren Ende der Öffnung angelegt,
  • c) die Lampe wird mit einer der gewünschten Spannkraft entsprechenden äußeren Kraft axial in Richtung Reflektorhals gedrückt,
  • d) das Befestigungselement wird jeweils mit der Stromzuführung verbunden,
  • e) die äußere Kraft wird entfernt.
    • A method of manufacturing a lamp reflector unit in accordance with the present invention includes the following steps:
  • a) the lamp and the resilient element are assembled with the reflector,
  • b) at the latest at the end of step a), one fastening element is placed at the outer end of the opening,
  • c) the lamp is pressed axially in the direction of the reflector neck with an external force corresponding to the desired clamping force,
  • d) the fastening element is connected to the power supply,
  • e) the external force is removed.

    • Bei Schritt a) spielt es keine Rolle, ob die Lampe zunächst in den Reflektor eingesetzt wird und dann erst die Zentrierscheibe über die Lampe gestülpt wird oder ob die Zentrierscheibe in den Reflektor bereits vor dem Einbringen der Lampe eingesetzt wird. In step a) it does not matter whether the lamp is first in the reflector is used and only then put the centering disc over the lamp or whether the centering disc is already in the reflector before insertion the lamp is used.

    Schritt b) erfolgt bevorzugt am Ende von Schritt a). Er kann jedoch auch schon als Zwischenschritt während Schritt a) erfolgen. Letzteres ist bevorzugt dann der Fall, wenn das Befestigungselement ein Niet ist. In diesem Fall wird zunächst eine Stifthülse von außen in die Scheitelöffnung eingesetzt und dann der Innenkragen des Niet nachträglich hergestellt durch Einpressen von Aufweitungsstiften. Bei Verwendung von Nieten empfiehlt es sich, daß das federnde Element von einer Zentrierscheibe gebildet wird.Step b) is preferably carried out at the end of step a). However, it can also already take place as an intermediate step during step a). The latter is preferred then the case when the fastener is a rivet. In this case a pin sleeve is first inserted into the apex opening from the outside and then the inner collar of the rivet made by pressing of expansion pins. When using rivets, it is recommended that the resilient element is formed by a centering disk.

    Bei Schritt c) wird die Lampe von oben, also von der Reflektoröffnung her, in Richtung Scheitel gedrückt, insbesondere mittels eines Stempels.In step c) the lamp is in from above, that is, from the reflector opening Pressed towards the apex, in particular by means of a stamp.

    Das Verbinden in Schritt d) erfolgt bevorzugt durch Laserschweißen.The connection in step d) is preferably carried out by laser welding.

    Im Anschluß an Schritt e) kann auch noch eine Abdeckscheibe in die Reflektoröffnung eingesetzt werden.Following step e), a cover plate can also be inserted into the reflector opening be used.

    Im folgenden soll die Erfindung anhand mehrerer Ausführungsbeispiele näher erläutert werden. Es zeigen:

    Figur 1
    eine Lampen-Reflektor-Einheit
    Figur 2
    die Herstellung einer Einheit gemäß Figur 1
    Figur 3
    ein weiteres Ausführungsbeispiel einer Lampen-Reflektor-Einheit (als Ausschnitt)
    Figur 4
    ein weiteres Ausführungsbeispiel einer Lampen-Reflektor-Einheit (als Ausschnitt)
    Figur 5
    die Herstellung einer Einheit gemäß Figur 4
    Figur 6
    ein weiteres Ausführungsbeispiel einer Lampen-Reflektor-Einheit
    Figur 7
    die Herstellung einer Einheit gemäß Figur 6
    The invention will be explained in more detail below with the aid of several exemplary embodiments. Show it:
    Figure 1
    a lamp reflector unit
    Figure 2
    the manufacture of a unit according to FIG. 1
    Figure 3
    another embodiment of a lamp-reflector unit (as a section)
    Figure 4
    another embodiment of a lamp-reflector unit (as a section)
    Figure 5
    the manufacture of a unit according to FIG. 4
    Figure 6
    another embodiment of a lamp-reflector unit
    Figure 7
    the manufacture of a unit according to FIG. 6

    Die Figur 1 zeigt eine Halogenglühlampen-Reflektor-Einheit, die aus einer einseitig gequetschten Halogenglühlampe 1 mit einem schematisch dargestellten Leuchtkörper 2, einem Kolben 3 und einer Quetschdichtung 4 besteht. Die Halogenglühlampe 1 sitzt in einem Reflektor 5 aus aluminiumbeschichtetem Glas, der aus einer facettierten Reflektorkontur 6 und einem Reflektorhals 7 besteht und eine Achse x besitzt. Im Bereich des Übergangs zwischen Kontur 6 und Hals 7 befindet sich ein ringförmig umlaufender Absatz 8, auf dem der kreisförmige Rand 9 einer Zentrierscheibe 10 aufliegt. Der Rand 9 geht nach innen in eine Umfassung 11 für eine rechteckige Aussparung über, in der die Quetschdichtung 4 der Lampe eingesteckt und so die Lampe gehaltert ist.FIG. 1 shows a halogen incandescent lamp reflector unit which consists of a Halogen lamp 1 pinched on one side with a schematically shown Luminous body 2, a bulb 3 and a pinch seal 4 is made. The halogen incandescent lamp 1 sits in a reflector 5 made of aluminum-coated Glass, which consists of a faceted reflector contour 6 and a reflector neck 7 exists and has an axis x. In the area of transition between contour 6 and neck 7 there is an annular circumferential shoulder 8, on which the circular edge 9 of a centering disk 10 rests. The edge 9 goes inwards into an enclosure 11 for a rectangular recess about in which the pinch seal 4 of the lamp is inserted and so the lamp is supported.

    Der Leuchtkörper 2 ist über jeweils zwei innere Stromzuführungen 12, Folien 13 und äußeren Stromzuführungen 14 mit Verlängerungsstiften 15 verbunden. Die Stifte 15 sind durch zwei Öffnungen 16 im Scheitel des Reflektors aus dem Reflektorhals 7 herausgeführt. Zwei Lochscheiben 17, die außen an den Scheitelöffnungen 16 anliegen, sind mit den Stiften 15 verschweißt.The luminous element 2 is via two inner power supply lines 12, foils 13 and external power leads 14 connected to extension pins 15. The pins 15 are through two openings 16 in the apex of the reflector led out of the reflector neck 7. Two perforated disks 17 on the outside the apex openings 16 are welded to the pins 15.

    Die Zentrierscheibe 10 steht unter einer Vorspannung von 9 N, so daß die Lampe im Reflektor fest arretiert ist. Bei einer derart hohen Vorspannung ist eine Abstimmung zwischen dem Durchmesser des Stifts 15 und dem der Scheitelöffnung 16 nicht notwendig.The centering disc 10 is under a bias of 9 N, so that the Lamp is firmly locked in the reflector. With such a high bias a vote between the diameter of the pin 15 and that of the Vertex opening 16 is not necessary.

    Die Reflektoröffnung 18 ist mit einer Abdeckscheibe 40 verschlossen.The reflector opening 18 is closed with a cover plate 40.

    Fig. 2 zeigt die Herstellung einer derartigen Baueinheit. Zunächst wird die Lampe 1 in die Zentrierscheibe 10 eingesetzt (Schritt al). Anschließend wird diese Einheit von der Reflektoröffnung 18 her in den Reflektor 5 eingesetzt (Schritt a2), bis die Zentrierscheibe 10 am Absatz 8 aufliegt. Nun werden die Lochscheiben 17 zugeführt (Schritt b) und über die Verlängerungsstifte 15 bis zur Scheitelöffnung 16 geschoben. Dann wird mit einem Stempel 19 der Kolben 3 in Richtung Scheitelöffnung 16 gedrückt (Schritt c). In dieser Lage werden die Lochscheiben 17 mit den Stiften 15 verschweißt (Schritt d). Anschließend wird der Stempel 19 entfernt.Fig. 2 shows the manufacture of such a unit. First, the Lamp 1 inserted into the centering disk 10 (step a1). Then will this unit is inserted from the reflector opening 18 into the reflector 5 (Step a2) until the centering disk 10 rests on the shoulder 8. Now the Perforated discs 17 fed (step b) and via the extension pins 15 to pushed to the apex opening 16. Then the piston is stamped 19 3 pressed towards the apex opening 16 (step c). In this situation the perforated disks 17 are welded to the pins 15 (step d). Subsequently the stamp 19 is removed.

    Fig. 3 zeigt einen Ausschnitt aus einem weiteren Ausführungsbeispiel einer Lampen-Reflektor-Einheit, die im wesentlichen dem Aufbau der Fig. 1 entspricht. Der einzige Unterschied besteht in der Verwendung von Stifthülsen 20 als Befestigungselement. Deren Kragen 21 liegt außen an der Scheitelöffnung 16 an. Ihr Durchmesser ist dem der Scheitelöffnung 16 angepaßt. Bei dieser Anordnung genügt eine Vorspannung von 0,5 N.Fig. 3 shows a section of a further embodiment of a Lamp-reflector unit, which corresponds essentially to the structure of FIG. 1. The only difference is the use of pen sleeves 20 as a fastener. The collar 21 is located on the outside of the apex opening 16 on. Its diameter is adapted to that of the apex opening 16. At a preload of 0.5 N is sufficient for this arrangement.

    Fig. 4 zeigt einen Ausschnitt aus einem dritten Ausführungsbeispiel einer Lampen-Reflektor-Einheit, die im wesentlichen dem Aufbau der Fig. 1 entspricht. Der einzige Unterschied besteht in der Verwendung von Nieten 25 als Befestigungselement. Ihr Durchmesser ist dem der Scheitelöffnung 16 angepaßt. Der erste, äußere Kragen 26 des Niet liegt außen an der Scheitelöffnung 16 an. Der zweite, innere Kragen 27 liegt innen an der Scheitelöffnung 16 an. Bei dieser Anordnung genügt eine Vorspannung von 0,5 N. Die Niete 25 sind mit den Stiften 15 im Bereich des äußeren Kragens 26 verschweißt.Fig. 4 shows a section of a third embodiment of a Lamp-reflector unit, which corresponds essentially to the structure of FIG. 1. The only difference is in the use of rivets 25 as a fastener. Its diameter is that of the apex opening 16 customized. The first, outer collar 26 of the rivet lies on the outside at the apex opening 16 on. The second, inner collar 27 lies on the inside at the apex opening 16 on. With this arrangement, a preload of 0.5 N. is sufficient Rivets 25 are welded to the pins 15 in the area of the outer collar 26.

    Die Herstellung dieser Ausführungsform ist in Fig. 5 gezeigt. Zunächst wird die Lampe 1 in der Zentrierscheibe 10 befestigt (Schritt al). Zeitlich parallel dazu werden zwei Stifthülsen 25' in die Scheitelöffnungen 16 des Reflektors von außen eingesetzt (Schritt bl). Anschließend wird ihr in den Reflektor ragendes Ende mittels Nietwerkzeugen 30 ebenfalls zu einem Kragen 27 umgebogen, so daß ein Niet 25 entsteht (Schritt b2). Die Einheit Lampe-Zentrierscheibe wird nun in den Reflektor 5 eingesetzt (Schritt a2). Anschließend wird wieder mittels eines Stempels 19 eine Druckspannung auf die Lampe ausgeübt (Schritt c). Schließlich werden die Niete 25 mit den Stiften 15 verschweißt (Schritt d) und der Stempel 19 wieder entfernt.The manufacture of this embodiment is shown in FIG. 5. First of all the lamp 1 is fixed in the centering disk 10 (step a1). Parallel in time for this purpose, two pin sleeves 25 'are inserted into the apex openings 16 of the reflector inserted from the outside (step bl). Then you will be in the reflector protruding end also bent into a collar 27 by means of riveting tools 30, so that a rivet 25 is formed (step b2). The lamp-centering disc unit is now inserted in the reflector 5 (step a2). Subsequently is again a compressive stress on the by means of a stamp 19 Lamp exerted (step c). Finally the rivet 25 with the pins 15 welded (step d) and the stamp 19 removed again.

    In einem vierten Ausführungsbeispiel, das in Fig. 6 dargestellt ist, wird auf eine Zentrierscheibe als federndes Element verzichtet. Statt dessen wird das federnde Element durch zwei Tellerfedern 35 gebildet, die an den Stiften 36 durch Laserschweißen befestigt sind. Die Tellerfedern 35 werden , wie in Fig. 7 dargestellt, noch vor dem Einbau in den Reflektor mit der Lampe 1 verbunden (Schritt al). Dann erst wird die Lampe 1 in den Reflektor 5 so eingesetzt (Schritt a2), daß die Tellerfedern 35 innen an den Scheitelöffnungen 16 aufliegen. Von außen werden zwei Stifthülsen 20 auf die Stifte 36 aufgefädelt, bis deren Kragen 26 ähnlich wie in Fig. 3 außen an der Scheitelöffnung anliegen (Schritt b). Dann wird die Lampe 1 mit einem Stempel 19 niedergedrückt (Schritt c). Die Stifthülsen 20 werden mit den Stiften 36 verschweißt (Schritt d). Eine derartige Anordnung eignet sich bevorzugt für geringe Vorspannungen bis zu ca. 1 N. Die Stifthülsen sichern eine gewisse Justierung mit Hilfe der Scheitelöffnungen.In a fourth embodiment, which is shown in Fig. 6, is on a centering disc as a resilient element is dispensed with. Instead, it will Resilient element formed by two plate springs 35, which on the pins 36th are attached by laser welding. The plate springs 35 are, as in Fig. 7, connected to the lamp 1 even before installation in the reflector (Step al). Only then is the lamp 1 inserted into the reflector 5 (Step a2) that the plate springs 35 inside the apex openings 16 lie on. Two pin sleeves 20 are threaded onto the pins 36 from the outside, until the collar 26 similar to that in Fig. 3 outside at the apex opening (step b). Then the lamp 1 is depressed with a stamp 19 (Step c). The pin sleeves 20 are welded to the pins 36 (Step d). Such an arrangement is preferably suitable for low preloads up to approx. 1 N. The pin sleeves ensure a certain adjustment with the help of the apex openings.

    Claims (10)

    1. Lamp-reflector unit having a lamp (1) whose bulb (3) is sealed by a seal (4) at least at one end, at least one supply lead (14) being led to the outside from the seal (4), and having a reflector (5), which has a reflecting contour (6) and a reflector neck (7) and defines a reflector axis, the seal (4) being arranged in the reflector neck (7), and the reflector neck (7) having at least one opening (16), which is assigned to each supply lead (14) and through which the supply lead (14) or extension (15) thereof is led to the outside, characterized in that the supply lead (14) is sheathed by a fastening element which rests on the outside of the opening (16), a resilient element (10; 35), which is connected to the lamp and whose spring force acts along the reflector axis, being supported in the interior of the reflector, the resilient element (10; 35) being under a clamping force of at least 0.3 N.
    2. Lamp-reflector unit according to Claim 1, characterized in that the clamping force is at least 5 N.
    3. Lamp-reflector unit according to Claim 1, characterized in that the resilient element is a centring disc (10) made from spring sheet.
    4. Lamp-reflector unit according to Claim 1, characterized in that the resilient element is a cup spring (35) which bears against the inside of the apex opening (16).
    5. Lamp-reflector unit according to Claim 1, characterized in that the fastening element is a perforated disc (17) or a pin bushing (20).
    6. Lamp-reflector unit according to Claim 3, characterized in that the fastening element is a rivet (25).
    7. Lamp-reflector unit according to Claim 3, characterized in that the centring disk (10) is supported at the transition between the contour (6) and neck (7) of the reflector.
    8. Lamp-reflector unit according to Claim 1, characterized in that the reflector contour (6) comprises facets.
    9. Method for producing a lamp-reflector unit according to one of the preceding claims, characterized by the following steps:
      a) the lamp and the resilient element are assembled with the reflector,
      b) a fastening element is applied to the outer end of the opening in each case, at the latest at the end of step a),
      c) the lamp is pressed axially in the direction of the reflector neck by means of an external force corresponding to the desired clamping force,
      d) the fastening element is connected in each case to the supply lead and,
      e) the external force is removed.
    10. Method according to Claim 9, characterized in that the fastening element is a rivet and the resilient element is formed by a centring disc, the inner edge of the rivet being produced subsequently.
    EP96118983A 1995-12-22 1996-11-27 Lamp reflector unit Expired - Lifetime EP0780884B1 (en)

    Applications Claiming Priority (2)

    Application Number Priority Date Filing Date Title
    DE19548521 1995-12-22
    DE19548521A DE19548521A1 (en) 1995-12-22 1995-12-22 Lamp reflector unit

    Publications (2)

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    EP0780884A1 EP0780884A1 (en) 1997-06-25
    EP0780884B1 true EP0780884B1 (en) 1999-05-12

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    Family Applications (1)

    Application Number Title Priority Date Filing Date
    EP96118983A Expired - Lifetime EP0780884B1 (en) 1995-12-22 1996-11-27 Lamp reflector unit

    Country Status (7)

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    EP (1) EP0780884B1 (en)
    JP (1) JP3881735B2 (en)
    CN (1) CN1079932C (en)
    CA (1) CA2193286A1 (en)
    DE (2) DE19548521A1 (en)
    ES (1) ES2135153T3 (en)
    HU (1) HU215305B (en)

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    WO2003054443A1 (en) 2001-12-10 2003-07-03 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Reflector lamp and method for producing such a reflector lamp

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    US6078128A (en) * 1997-01-07 2000-06-20 Osram Sylvania Inc. Lamp eyelet
    DE19739022A1 (en) * 1997-09-06 1999-03-11 Hella Kg Hueck & Co Reflector lamp
    DE19842794A1 (en) 1998-09-18 2000-03-23 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Electric reflector lamp for LV operation
    JP3555536B2 (en) * 2000-01-31 2004-08-18 ウシオ電機株式会社 Lamp unit
    DE10121608A1 (en) * 2001-05-04 2002-11-07 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Electric lamp
    DE10146877A1 (en) 2001-09-24 2003-04-17 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh reflector lamp
    JP4587216B2 (en) * 2005-03-31 2010-11-24 日本碍子株式会社 Discharge lamp support structure and lighting device
    DE102006034324B4 (en) * 2006-07-21 2011-12-01 Auer Lighting Gmbh Reflector with prism structure
    JP4981144B2 (en) 2006-11-08 2012-07-18 オスラム アクチエンゲゼルシャフト Optical unit
    TWM445134U (en) * 2012-09-03 2013-01-11 Arclite Optronics Corp Projective lamp
    CN104100935A (en) * 2013-04-02 2014-10-15 海洋王（东莞）照明科技有限公司 Light source fixing structure and lamp thereof
    KR102058012B1 (en) * 2013-12-19 2020-01-22 어플라이드 머티어리얼스, 인코포레이티드 Adapter for replaceable lamp

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    Also Published As

    Publication number Publication date
    DE19548521A1 (en) 1997-06-26
    DE59601874D1 (en) 1999-06-17
    EP0780884A1 (en) 1997-06-25
    HU9603510D0 (en) 1997-02-28
    HUP9603510A3 (en) 1998-01-28
    CN1079932C (en) 2002-02-27
    CA2193286A1 (en) 1997-06-23
    CN1159536A (en) 1997-09-17
    ES2135153T3 (en) 1999-10-16
    JP3881735B2 (en) 2007-02-14
    JPH09180530A (en) 1997-07-11
    HU215305B (en) 1998-11-30
    HUP9603510A2 (en) 1997-08-28

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