EP2132762A2 - Lamp base, vehicle lamp comprising such a base, and method for the production of a vehicle lamp - Google Patents

Lamp base, vehicle lamp comprising such a base, and method for the production of a vehicle lamp

Info

Publication number
EP2132762A2
EP2132762A2 EP08718292A EP08718292A EP2132762A2 EP 2132762 A2 EP2132762 A2 EP 2132762A2 EP 08718292 A EP08718292 A EP 08718292A EP 08718292 A EP08718292 A EP 08718292A EP 2132762 A2 EP2132762 A2 EP 2132762A2
Authority
EP
European Patent Office
Prior art keywords
lamp
ring
base
adjusting ring
welding
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP08718292A
Other languages
German (de)
French (fr)
Other versions
EP2132762B1 (en
Inventor
Peter Helbig
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Osram GmbH
Original Assignee
Osram GmbH
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 Osram GmbH filed Critical Osram GmbH
Publication of EP2132762A2 publication Critical patent/EP2132762A2/en
Application granted granted Critical
Publication of EP2132762B1 publication Critical patent/EP2132762B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • 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
    • H01J5/56—Shape of the separate part

Definitions

  • Lamp base vehicle lamp with such a lamp base and method for producing a vehicle lamp
  • the invention relates to a lamp base for a vehicle lamp, in particular a halogen lamp according to the preamble of claim 1, a running with such a lamp base vehicle lamp and a method for producing such a vehicle lamp.
  • the power supply lines are connected within the base part with electrical connections, which protrude as laterally projecting tabs from the base part and are contacted when inserting the headlight lamp in a headlight housing with housing-side contacts.
  • the lamp base of such incandescent lamps has a base part made of plastic, which is welded to a reference ring.
  • the reference ring in turn carries an adjusting ring. Both the reference ring and the adjusting ring have radially projecting tabs which bear against one another in the assembled state in the axial direction and are then connected by welding.
  • the lamp vessel is inserted into a fixing ring, which in turn is connected by welding to the adjusting ring, wherein a predetermined relative positioning must be adjusted in order to align the incandescent filaments of the headlamp with respect to the reflector, so that an optimal light distribution is ensured.
  • the welding between the adjusting ring and the reference ring takes place from the front, ie from the lamp vessel side by means of laser energy. Since the tabs, along which the adjusting ring and reference ring are welded together, protrude radially over the lamp vessel, the melting areas are visible from the front. This often leads customers (car manufacturers) or designers to comment that these refractories would disturb the aesthetic appearance of the headlamp or the entire headlamp. These complaints are not to be underestimated in practice, since with comparable technical quality, visual aspects are the decisive factor for placing an order.
  • the invention has for its object to provide a lamp base for a vehicle lamp, a running with such a lamp base vehicle lamp and a method Ren create for the production of a vehicle lamp, which also meet high demands on the aesthetic appearance.
  • the lamp base according to the invention for a vehicle lamp has a plastic base part, from which project contact lugs for electrical contacting and which carries a reference ring connected to an adjusting ring.
  • a lamp vessel On the adjusting ring a lamp vessel is placed directly or by means of a fixing ring.
  • a melting zone of a weld between reference ring and adjusting ring is formed on rear surface sections of these rings facing away from the lamp vessel.
  • the lamp vessel is inserted into such a base with not visible from the front melting areas.
  • the reference ring and the adjusting ring are preferably first welded by a rear side facing away from the lamp vessel. Subsequently, the unit of reference and adjusting ring is attached to the base part.
  • the mounting is Melting areas or welds not visible from the front, so that they do not affect the aesthetic appearance of the vehicle lamp.
  • connection of adjusting ring and reference ring is particularly simple if these are each designed with radially projecting tabs along which the welding takes place.
  • the tabs formed on the reference ring are preferably designed as reference tabs for positional positioning of the vehicle lamp in a reflector.
  • a fixing ring carrying the lamp vessel is placed on the adjusting ring, then the lamp position is adjusted and then the fixing ring is welded to the adjusting ring, so that incandescent filaments arranged in the lamp vessel are aligned exactly with respect to the reflector ,
  • a laser welding method is preferably used.
  • Fig. 1 is a perspective view of a H15 lamp of a vehicle headlamp
  • FIG. 2 is a perspective view of a reference ring and an adjusting ring seen from the rear;
  • FIG. Fig. 3 is a front view of the lamp of Figure 1;
  • FIG. 4 is a perspective view of the adjusting ring and the reference ring according to Figure 2 and
  • Fig. 5 shows the adjusting ring and reference ring according to Figure 2 with attached base part.
  • FIG. 1 shows a three-dimensional representation of a vehicle headlamp according to the invention, which is designed as a halogen incandescent lamp 1 of the type H15.
  • a halogen incandescent lamp 1 or similar types of lamps (for example Hl, H3, H4 or H7 lamps) is known from the aforementioned prior art, so that only the components essential for understanding the invention are described here ,
  • the halogen incandescent lamp 1 has an approximately cylindrical lamp vessel 2, which is inserted into a lamp base 4.
  • the lamp vessel 2 is closed at the bottom (view of Figure 1) by a pinch seal 6 and filled with a filling gas containing metal halides in halogen lamps.
  • a filling gas containing metal halides in halogen lamps In the case of an H15 lamp, two filaments are arranged in the interior of the lamp vessel 2, which are welded within the pinch seal 6 via molybdenum foils with power supply leads, which are sealingly guided out of the pinch seal 6 and protrude into the lamp base and are welded there with contact elements ,
  • the lamp base 4 has a metallic fixing ring 8, in which the pinch seal 6 of the lamp vessel 2 is positively and positively received.
  • the fixing ring 8 with a profiling of Crimp seal 6 corresponding clamping recess 10 executed, are arranged in the spring elements for clamping the pinch seal 6 of the lamp vessel 2.
  • This fixing ring 8 is welded to an adjusting ring 12, which in turn is connected to a reference ring 14.
  • the latter is placed on an existing plastic base part 16 and welded to it.
  • Three contact lugs 18, 20, 22 protrude from the base part 16, which come into contact with socket contacts on the lamp reflector when the halogen lamp bulb 1 is inserted into an automobile headlamp, so that the lamp is mechanically held and contacted in the reflector.
  • a diagonal web 24 is provided on the base part 16 on the rear side, ie on the end face remote from the lamp vessel 2, so that the torque required for fixing the halogen incandescent lamp 1 can be applied.
  • the mounting of the halogen incandescent lamp 1 in the socket of the reflector or the headlight housing is effected by means of a bayonet closure, wherein on the end face of a base flange 26, a spring ring 27 is fixed, which has three obliquely protruding from the spring ring spring tongues 28 which in the installed state of Halogen bulb 1 exert an a- xial directed spring force. Further details of the adjusting ring 12 and the reference ring 14 will be explained with reference to FIGS 2 to 4.
  • FIG. 2 shows a three-dimensional view of the reference ring 14 carrying the adjusting ring 12 in a view seen from the base part 16.
  • the reference ring 14 has a flanged end face 30 facing the base part 16, on which a plurality of radially inwardly NEN protruding projections 32 is formed.
  • two indentations 34 are provided on the circumferential wall of the reference ring 14 which take account of any burr on the edge of the lamp mounting opening of the headlamp, as disclosed, for example, in EP 1 006 550 A1.
  • a multiply angled pressure spring 36 is fixed, which, with a nose 38 bent in a V-shape, passes through a window in the circumferential wall of the reference ring 14.
  • This nose 38 is at the onset of the halogen bulb 1 resiliently against an inner peripheral wall of the socket and contributes to the position positioning.
  • the above-mentioned projections 32 form a toothing, via which the position positioning and welding of the reference ring 14 on the base part 26 is facilitated.
  • reference lugs 40, 42 and 44 are formed at the end portion of the reference ring 14 facing the adjusting ring 12 .
  • These reference tabs 40, 42, 44 are designed so that a predetermined installation position is ensured within the socket when inserting the halogen incandescent lamp 1, these reference tabs 40, 42, 44 abut corresponding reference surfaces of the socket and thus the axial position and the rotational angular position determine.
  • the reference ring 14 can be produced, for example, by a deep drawing process.
  • the adjusting ring 12 is placed on the reference ring 14. As can be seen in particular from FIG. 3, at the peripheral edge pointing to the reference ring 14, three holes are formed. see 48, 50, 52 trained.
  • the geometry of the tabs 48, 50 is adapted to that of the reference tabs 40, 42, 44, so that in the illustrated installation position the tabs 40, 42, 44 and 48, 50, 52 overlap each other in pairs and lie flat against each other (see in particular FIG 4). After this relative positioning of the two rings 12, 14, these are welded together along the flaps 40, 42, 44, 48, 50.
  • FIG. 3 which shows a front view of the lamp vessel 2 on the halogen incandescent lamp 1 according to the invention
  • the punctiform welds 54, 56 are not visible from the front, so that the aesthetic appearance is not disturbed.
  • the welds are in each case at the front of the aforementioned tabs and would therefore be seen in a representation GE measure Figure 3 visible.
  • the melting areas of the welds 54, 56 are virtually invisible, so that the excellent function of the halogen incandescent lamp 1 is accompanied by a high-quality appearance.
  • the reference ring 14 is inserted in sections into a receptacle 58 (see FIGS. 1 and 5) of the base part 16 provided with the spring ring 27 and, for example, connected by high frequency welding.
  • the lamp vessel 2 is, as described above, inserted into the fixing ring 8.
  • This preassembled unit is then placed on the free, radially recessed end portion 60 (see Figure 4) of the adjusting ring 12 and adjusted according to Figure 1, so that the filaments are arranged in a predetermined axial and rotational angular position.
  • the fixing ring 8 is then connected in its adjusted position by means of laser welding with the adjusting ring 12.
  • FIG. 5 shows the unit comprising the adjusting ring 12 and the reference ring 14 after welding to the base part 16.
  • the diagonal bar 24 is designed with a removable closure part which, in the illustration according to FIG you can see. This closure part releases a recess through which said power supply lines can be welded to the ends of the contact lugs 18, 20, 22. After this welding, the closure piece is inserted, so that the diagonal web 24 extends over the entire diameter of the base flange 26.
  • a mounting receptacle of the reflector or the housing is between the reference tabs 40, 42, 44 and the spring tongues 28, so that the lamp is fixed in the axial direction.
  • the support in the radial direction is effected by the voltage applied to the peripheral wall of the mounting receptacle nose 38 of the pressure spring 36th
  • a lamp base for a vehicle lamp a running with such a lamp base driving zeuglampe and a method for producing such a vehicle lamp, which consists essentially of a lamp vessel and a base part.
  • the base part has an adjusting ring and a fixing ring which are welded together from a rear side facing away from the lamp vessel.

Landscapes

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

Abstract

Disclosed are a base for a vehicle lamp, a vehicle lamp comprising such a base, and a method for producing such a vehicle lamp essentially comprising a bulb and a base part. The base part (16) is fitted with an adjustment ring (12) and a fastening ring (14) which are welded together from a rear side facing away from the bulb.

Description

Beschreibung description
Lampensockel, Fahrzeuglampe mit einem derartigen Lampensockel und Verfahren zur Herstellung einer FahrzeuglampeLamp base, vehicle lamp with such a lamp base and method for producing a vehicle lamp
Technisches GebietTechnical area
Die Erfindung betrifft einen Lampensockel für eine Fahrzeuglampe, insbesondere eine Halogenlampe gemäß dem Oberbegriff des Patentanspruches 1, eine mit einem derartigen Lampensockel ausgeführte Fahrzeuglampe und ein Verfahren zur Herstellung einer derartigen Fahrzeuglampe.The invention relates to a lamp base for a vehicle lamp, in particular a halogen lamp according to the preamble of claim 1, a running with such a lamp base vehicle lamp and a method for producing such a vehicle lamp.
In den Druckschriften EP 0 775 366 Bl und DE 20 2006 002 888 Ul sind Scheinwerferlampen beschrieben, die beispielsweise als Tagfahrlicht (DRL: daytime running light) eingesetzt werden können. Derartige als Halogenglühlampe (H15) ausgeführte Scheinwerferlampen haben einen Lampen- sockel, in den ein etwa zylinderförmiges Lampengefäß eingesetzt ist. In dem vom Lampengefäß umgriffenen, mit einem Füllgas befüllten Innenraum sind zwei Glühwendeln angeordnet, deren Wendelabgänge über Molybdänfolien mit Stromzuführungen verbunden sind, die aus einer gasdichten Quetschdichtung des Lampengefäßes heraus geführt sind. Die Stromzuführungen sind innerhalb des Sockelteils mit elektrischen Anschlüssen verbunden, die als seitlich auskragende Kontaktfahnen aus dem Sockelteil hervor stehen und beim Einsetzen der Scheinwerferlampe in ein Scheinwerfergehäuse mit gehäuseseitigen Kontakten kontaktiert werden. Der Lampensockel derartiger Glühlampen hat ein aus Kunststoff hergestelltes Sockelteil, das mit einem Referenzring verschweißt ist. Der Referenzring trägt seinerseits einen Justierring. Sowohl der Referenzring als auch der Justierring haben radial auskragende Laschen, die im montierten Zustand in Axialrichtung aneinander anliegen und dann durch Schweißen verbunden werden. Das Lampengefäß wird in einen Fixierring eingesetzt, der seinerseits durch Schweißen mit dem Justierring verbunden ist, wobei eine vorbestimmte Relativpositionierung eingestellt werden muss, um die Glühwendeln der Scheinwerferlampe mit Bezug zum Reflektor auszurichten, so dass eine optimale Lichtverteilung gewährleistet ist. Die Verschweißung zwischen dem Justierring und dem Referenzring erfolgt von vorne, d.h. von der Lampengefäßseite her mittels Laserenergie. Da die Laschen, entlang denen Justierring und Referenzring miteinander verschweißt sind, radial über das Lampengefäß vorstehen, sind die Aufschmelzbereiche von vorne her sichtbar. Dies führt häufig von Seiten der Kunden (Automobilhersteller) oder der Designer zu Anmerkungen, dass diese Aufschmelzbereiche die ästhetische Anmutung der Scheinwerferlampe oder des gesamten Scheinwerfers stören würden. Diese Beanstandungen sind in der Praxis nicht zu unterschätzen, da bei vergleichbarer techni- scher Qualität häufig visuelle Aspekte den Ausschlag für eine Auftragserteilung geben.In the publications EP 0 775 366 Bl and DE 20 2006 002 888 Ul headlight lamps are described, which can be used for example as daytime running lights (DRL: daytime running light). Such as halogen incandescent lamp (H15) running headlight lamps have a lamp base into which an approximately cylindrical lamp vessel is inserted. In the encompassed by the lamp vessel, filled with a filling gas interior two filaments are arranged, the Wendelabgänge are connected via molybdenum foils with power supply lines, which are guided out of a gas-tight pinch seal of the lamp vessel. The power supply lines are connected within the base part with electrical connections, which protrude as laterally projecting tabs from the base part and are contacted when inserting the headlight lamp in a headlight housing with housing-side contacts. The lamp base of such incandescent lamps has a base part made of plastic, which is welded to a reference ring. The reference ring in turn carries an adjusting ring. Both the reference ring and the adjusting ring have radially projecting tabs which bear against one another in the assembled state in the axial direction and are then connected by welding. The lamp vessel is inserted into a fixing ring, which in turn is connected by welding to the adjusting ring, wherein a predetermined relative positioning must be adjusted in order to align the incandescent filaments of the headlamp with respect to the reflector, so that an optimal light distribution is ensured. The welding between the adjusting ring and the reference ring takes place from the front, ie from the lamp vessel side by means of laser energy. Since the tabs, along which the adjusting ring and reference ring are welded together, protrude radially over the lamp vessel, the melting areas are visible from the front. This often leads customers (car manufacturers) or designers to comment that these refractories would disturb the aesthetic appearance of the headlamp or the entire headlamp. These complaints are not to be underestimated in practice, since with comparable technical quality, visual aspects are the decisive factor for placing an order.
Darstellung der ErfindungPresentation of the invention
Der Erfindung liegt die Aufgabe zugrunde, einen Lampensockel für eine Fahrzeuglampe, eine mit einem derartigen Lampensockel ausgeführte Fahrzeuglampe sowie ein Verfah- ren zur Herstellung einer Fahrzeuglampe zu schaffen, die auch hohen Anforderungen an die ästhetische Anmutung genügen .The invention has for its object to provide a lamp base for a vehicle lamp, a running with such a lamp base vehicle lamp and a method Ren create for the production of a vehicle lamp, which also meet high demands on the aesthetic appearance.
Diese Aufgabe wird hinsichtlich des Lampensockels durch die Merkmale des Patentanspruches 1, hinsichtlich der Fahrzeuglampe durch die Merkmale des Patentanspruches 4 und hinsichtlich des Verfahrens durch die Merkmale des nebengeordneten Patentanspruches 5 gelöst. Besonders vorteilhafte Ausführungen der Erfindung sind in den abhängi- gen Ansprüchen beschrieben.This object is achieved with regard to the lamp base by the features of claim 1, with respect to the vehicle lamp by the features of claim 4 and in terms of the method by the features of the independent claim 5. Particularly advantageous embodiments of the invention are described in the dependent claims.
Der erfindungsgemäße Lampensockel für eine Fahrzeuglampe hat ein Kunststoffsockelteil, aus dem Kontaktfahnen zur elektrischen Kontaktierung auskragen und das einen mit einem Justierring verbundenen Referenzring trägt. Auf den Justierring ist ein Lampengefäß unmittelbar oder mittels eines Fixierrings aufgesetzt. Erfindungsgemäß ist eine Aufschmelzzone einer Verschweißung zwischen Referenz- und Justierring an vom Lampengefäß abgewandten rückseitigen Flächenabschnitten dieser Ringe ausgebildet.The lamp base according to the invention for a vehicle lamp has a plastic base part, from which project contact lugs for electrical contacting and which carries a reference ring connected to an adjusting ring. On the adjusting ring a lamp vessel is placed directly or by means of a fixing ring. According to the invention, a melting zone of a weld between reference ring and adjusting ring is formed on rear surface sections of these rings facing away from the lamp vessel.
Bei der erfindungsgemäßen Fahrzeuglampe ist das Lampengefäß in einen derartigen Sockel mit von vorne nicht sichtbaren Aufschmelzbereichen eingesetzt.In the vehicle lamp according to the invention, the lamp vessel is inserted into such a base with not visible from the front melting areas.
Bei der Fertigung einer derartigen Fahrzeuglampe werden vorzugsweise zunächst der Referenzring und der Justier- ring von einer vom Lampengefäß abgewandten Rückseite her verschweißt. Anschließend wird die Einheit aus Referenz- und Justierring an das Sockelteil angesetzt.In the manufacture of such a vehicle lamp, the reference ring and the adjusting ring are preferably first welded by a rear side facing away from the lamp vessel. Subsequently, the unit of reference and adjusting ring is attached to the base part.
Durch das Verschweißen von der Rückseite her, d.h. von der vom Lampensockel her abgewandten Seite, sind die Auf- Schmelzbereiche oder Schweißstellen von vorne her nicht sichtbar, so dass diese die ästhetische Anmutung der Fahrzeuglampe nicht beeinträchtigen.Due to the welding from the rear side, ie from the side facing away from the lamp base, the mounting is Melting areas or welds not visible from the front, so that they do not affect the aesthetic appearance of the vehicle lamp.
Die Verbindung von Justierring und Referenzring ist be- sonders einfach, wenn diese jeweils mit radial auskragenden Laschen ausgeführt sind, entlang denen die Verschweißung erfolgt.The connection of adjusting ring and reference ring is particularly simple if these are each designed with radially projecting tabs along which the welding takes place.
Die am Referenzring ausgebildeten Laschen sind dabei vorzugsweise als Referenzlaschen zur Lagepositionierung der Fahrzeuglampe in einem Reflektor ausgeführt.The tabs formed on the reference ring are preferably designed as reference tabs for positional positioning of the vehicle lamp in a reflector.
Bei der Herstellung der Fahrzeuglampe wird es bevorzugt, wenn ein das Lampengefäß tragender Fixierring auf den Justierring aufgesetzt wird, anschließend eine Justierung der Leuchtmittelposition erfolgt und dann der Fixierring mit dem Justierring verschweißt wird, so dass im Lampengefäß angeordnete Glühwendeln exakt mit Bezug zum Reflektor ausgerichtet sind.In the production of the vehicle lamp, it is preferred if a fixing ring carrying the lamp vessel is placed on the adjusting ring, then the lamp position is adjusted and then the fixing ring is welded to the adjusting ring, so that incandescent filaments arranged in the lamp vessel are aligned exactly with respect to the reflector ,
Zum Verschweißen der metallischen Bauelemente des Sockels wird vorzugsweise ein Laserschweißverfahren verwendet.For welding the metallic components of the base, a laser welding method is preferably used.
Kurze Beschreibung der ZeichnungenBrief description of the drawings
Nachstehend wird die Erfindung anhand eines bevorzugten Ausführungsbeispiels näher erläutert. Es zeigen:The invention will be explained in more detail below with reference to a preferred embodiment. Show it:
Fig. 1 eine perspektivische Darstellung einer H15-Lampe eines Fahrzeugscheinwerfers;Fig. 1 is a perspective view of a H15 lamp of a vehicle headlamp;
Fig. 2 eine perspektivische Darstellung eines Referenz- rings und eines Justierrings von hinten her gesehen; Fig. 3 eine Ansicht von vorne auf die Lampe aus Figur 1 ;FIG. 2 is a perspective view of a reference ring and an adjusting ring seen from the rear; FIG. Fig. 3 is a front view of the lamp of Figure 1;
Fig. 4 eine perspektivische Ansicht des Justierrings und des Referenzrings gemäß Figur 2 und4 is a perspective view of the adjusting ring and the reference ring according to Figure 2 and
Fig. 5 den Justierring und Referenzring gemäß Figur 2 mit angesetztem Sockelteil.Fig. 5 shows the adjusting ring and reference ring according to Figure 2 with attached base part.
Bevorzugte Ausführung der ErfindungPreferred embodiment of the invention
Figur 1 zeigt eine dreidimensionale Darstellung einer erfindungsgemäßen Fahrzeugscheinwerferlampe, die als Halogenglühlampe 1 des Typs H15 ausgeführt ist. Der Aufbau einer derartigen Halogenglühlampe 1 oder ähnlicher Lam- pentypen (bspw. Hl-, H3-, H4- oder H7-Lampen) ist aus dem eingangs genannten Stand der Technik bekannt, so dass hier nur die zum Verständnis der Erfindung wesentlichen Bauelemente beschrieben werden.FIG. 1 shows a three-dimensional representation of a vehicle headlamp according to the invention, which is designed as a halogen incandescent lamp 1 of the type H15. The construction of such a halogen incandescent lamp 1 or similar types of lamps (for example Hl, H3, H4 or H7 lamps) is known from the aforementioned prior art, so that only the components essential for understanding the invention are described here ,
Die Halogenglühlampe 1 hat ein etwa zylinderförmiges Lam- pengefäß 2, das in einen Lampensockel 4 eingesetzt ist. Das Lampengefäß 2 ist nach unten hin (Ansicht nach Figur 1) durch eine Quetschdichtung 6 verschlossen und mit einem Füllgas befüllt, das bei Halogenlampen Metallhalogenide enthält. Bei einer H15-Lampe sind im Innenraum des Lampengefäßes 2 zwei Glühwendeln angeordnet, die innerhalb der Quetschdichtung 6 über Molybdänfolien mit Stromzuführungen verschweißt sind, die dichtend aus der Quetschdichtung 6 heraus geführt sind und in den Lampensockel hinein ragen und dort mit Kontaktelementen ver- schweißt sind. Der Lampensockel 4 hat einen metallischen Fixierring 8, in dem die Quetschdichtung 6 des Lampengefäßes 2 kraft- und formschlüssig aufgenommen ist. Dazu ist der Fixierring 8 mit einer der Profilierung der Quetschdichtung 6 entsprechenden Klemmausnehmung 10 ausgeführt, in der Federelemente zum Klemmen der Quetschdichtung 6 des Lampengefäßes 2 angeordnet sind. Dieser Fixierring 8 ist mit einem Justierring 12 verschweißt, der seinerseits mit einem Referenzring 14 verbunden ist. Letzterer ist auf ein aus Kunststoff bestehendes Sockelteil 16 aufgesetzt und mit diesem verschweißt. Aus dem Sockelteil 16 ragen in Radialrichtung drei Kontaktfahnen 18, 20, 22 hervor, die beim Einsetzen der Halogenglühlam- pe 1 in einen Autoscheinwerfer mit Fassungskontakten am Lampenreflektor in Kontakt kommen, so dass die Lampe im Reflektor mechanisch gehalten und kontaktiert ist. Zur einfacheren Handhabung der Halogenglühlampe 1 ist am Sockelteil 16 rückseitig, d.h. an der vom Lampengefäß 2 entfernten Stirnfläche ein Diagonalsteg 24 vorgesehen, so dass das zum Fixieren der Halogenglühlampe 1 erforderliche Drehmoment aufgebracht werden kann. Die Befestigung der Halogenglühlampe 1 in der Fassung des Reflektors oder des Scheinwerfergehäuses erfolgt mittels eines Bajonett- verschlusses, wobei auf der Stirnfläche eines Sockel- flanschs 26 ein Federring 27 befestigt ist, der drei schräg aus der Federringebene vorstehende Federzungen 28 hat, die im Einbauzustand der Halogenglühlampe 1 eine a- xial gerichtete Federkraft ausüben. Weitere Einzelheiten des Justierrings 12 und des Referenzrings 14 werden anhand der Figuren 2 bis 4 erläutert.The halogen incandescent lamp 1 has an approximately cylindrical lamp vessel 2, which is inserted into a lamp base 4. The lamp vessel 2 is closed at the bottom (view of Figure 1) by a pinch seal 6 and filled with a filling gas containing metal halides in halogen lamps. In the case of an H15 lamp, two filaments are arranged in the interior of the lamp vessel 2, which are welded within the pinch seal 6 via molybdenum foils with power supply leads, which are sealingly guided out of the pinch seal 6 and protrude into the lamp base and are welded there with contact elements , The lamp base 4 has a metallic fixing ring 8, in which the pinch seal 6 of the lamp vessel 2 is positively and positively received. For this purpose, the fixing ring 8 with a profiling of Crimp seal 6 corresponding clamping recess 10 executed, are arranged in the spring elements for clamping the pinch seal 6 of the lamp vessel 2. This fixing ring 8 is welded to an adjusting ring 12, which in turn is connected to a reference ring 14. The latter is placed on an existing plastic base part 16 and welded to it. Three contact lugs 18, 20, 22 protrude from the base part 16, which come into contact with socket contacts on the lamp reflector when the halogen lamp bulb 1 is inserted into an automobile headlamp, so that the lamp is mechanically held and contacted in the reflector. For easier handling of the halogen incandescent lamp 1, a diagonal web 24 is provided on the base part 16 on the rear side, ie on the end face remote from the lamp vessel 2, so that the torque required for fixing the halogen incandescent lamp 1 can be applied. The mounting of the halogen incandescent lamp 1 in the socket of the reflector or the headlight housing is effected by means of a bayonet closure, wherein on the end face of a base flange 26, a spring ring 27 is fixed, which has three obliquely protruding from the spring ring spring tongues 28 which in the installed state of Halogen bulb 1 exert an a- xial directed spring force. Further details of the adjusting ring 12 and the reference ring 14 will be explained with reference to FIGS 2 to 4.
Figur 2 zeigt eine dreidimensionale Ansicht auf den den Justierring 12 tragenden Referenzring 14 in einer vom Sockelteil 16 her gesehenen Ansicht. Demgemäß hat der Refe- renzring 14 eine zum Sockelteil 16 weisende, umgebördelte Stirnfläche 30, an der eine Vielzahl von radial nach in- nen vorstehenden Vorsprüngen 32 ausgebildet ist. An der Umfangswandung des Referenzrings 14 sind des Weiteren zwei Einprägungen 34 vorgesehen, die einem etwaigen Grat am Rand der Lampenmontageöffnung des Scheinwerfers Rech- nung tragen, wie beispielsweise in der EP 1 006 550 Al offenbart ist. An der Innenumfangswandung des Referenzrings 14 ist eine mehrfach gewinkelte Andruckfeder 36 befestigt, die mit einer V-förmig angewinkelten Nase 38 ein Fenster in der Umfangswandung des Referenzrings 14 durch- setzt. Diese Nase 38 liegt beim Einsetzen der Halogenglühlampe 1 federnd an einer Innenumfangswandung der Fassung an und trägt zur Lagepositionierung bei. Die vorstehend erwähnten Vorsprünge 32 bilden eine Verzahnung, über die die Lagepositionierung und Verschweißung des Refe- renzrings 14 am Sockelteil 26 erleichtert wird.FIG. 2 shows a three-dimensional view of the reference ring 14 carrying the adjusting ring 12 in a view seen from the base part 16. Accordingly, the reference ring 14 has a flanged end face 30 facing the base part 16, on which a plurality of radially inwardly NEN protruding projections 32 is formed. Furthermore, two indentations 34 are provided on the circumferential wall of the reference ring 14 which take account of any burr on the edge of the lamp mounting opening of the headlamp, as disclosed, for example, in EP 1 006 550 A1. On the inner circumferential wall of the reference ring 14, a multiply angled pressure spring 36 is fixed, which, with a nose 38 bent in a V-shape, passes through a window in the circumferential wall of the reference ring 14. This nose 38 is at the onset of the halogen bulb 1 resiliently against an inner peripheral wall of the socket and contributes to the position positioning. The above-mentioned projections 32 form a toothing, via which the position positioning and welding of the reference ring 14 on the base part 26 is facilitated.
An dem zum Justierring 12 weisenden Endabschnitt des Referenzrings 14 sind drei am Umfang verteilte Referenzlaschen 40, 42 und 44 (siehe Figur 3) ausgebildet, die jeweils mit einer Sicke 46 versehen sind, die sich zum So- ckelteil hin auswölbt. Diese Referenzlaschen 40, 42, 44 sind so ausgeführt, dass über sie beim Einsetzen der Halogenglühlampe 1 eine vorbestimmte Einbaulage innerhalb der Fassung gewährleistet ist, wobei diese Referenzlaschen 40, 42, 44 an entsprechenden Referenzflächen der Fassung anliegen und somit die axiale Position und die Drehwinkelposition bestimmen. Der Referenzring 14 kann beispielsweise durch ein Tiefziehverfahren hergestellt werden .At the end portion of the reference ring 14 facing the adjusting ring 12 there are formed three reference lugs 40, 42 and 44 (see FIG. 3) distributed on the circumference, each of which is provided with a bead 46 which bulges out towards the base part. These reference tabs 40, 42, 44 are designed so that a predetermined installation position is ensured within the socket when inserting the halogen incandescent lamp 1, these reference tabs 40, 42, 44 abut corresponding reference surfaces of the socket and thus the axial position and the rotational angular position determine. The reference ring 14 can be produced, for example, by a deep drawing process.
Der Justierring 12 ist auf den Referenzring 14 aufge- setzt. Wie sich insbesondere aus Figur 3 ergibt, sind an der zum Referenzring 14 weisenden Umfangskante drei La- sehen 48, 50, 52 ausgebildet. Die Geometrie der Laschen 48, 50 ist an diejenige der Referenzlaschen 40, 42, 44 angepasst, so dass in der dargestellten Einbaulage die Laschen 40, 42, 44 und 48, 50, 52 sich einander paarweise überdecken und flächig aneinander liegen (siehe insbesondere Figur 4) . Nach dieser Relativpositionierung der beiden Ringe 12, 14 werden diese entlang der Laschen 40, 42, 44, 48, 50 miteinander verschweißt. Dies erfolgt vorzugsweise durch Laserschweißen von hinten, d.h. von der So- ckelseite her, wobei an jeder Lasche 40, 42, 44, 48, 50 zwei Schweißstellen 54, 56 vorgesehen sind, die beidseitig Sicken 46 angeordnet werden. Gemäß der Darstellung in Figur 3, die eine Vorderansicht vom Lampengefäß 2 her auf die erfindungsgemäße Halogenglühlampe 1 zeigt, sind die punktförmigen Schweißstellen 54, 56 von vorne her nicht sichtbar, so dass die ästhetische Anmutung nicht gestört ist. Bei herkömmlichen Halogenglühlampen befinden sich die Schweißstellen jeweils an der Vorderseite der vorgenannten Laschen und wären daher in einer Darstellung ge- maß Figur 3 sichtbar. Durch die erfindungsgemäße Maßnahme, die Verschweißung von hinten her vorzunehmen, sind die Aufschmelzbereiche der Schweißstellen 54, 56 praktisch unsichtbar, so dass die exzellente Funktion der Halogenglühlampe 1 mit einer hochwertigen Anmutung einher- geht.The adjusting ring 12 is placed on the reference ring 14. As can be seen in particular from FIG. 3, at the peripheral edge pointing to the reference ring 14, three holes are formed. see 48, 50, 52 trained. The geometry of the tabs 48, 50 is adapted to that of the reference tabs 40, 42, 44, so that in the illustrated installation position the tabs 40, 42, 44 and 48, 50, 52 overlap each other in pairs and lie flat against each other (see in particular FIG 4). After this relative positioning of the two rings 12, 14, these are welded together along the flaps 40, 42, 44, 48, 50. This is preferably carried out by laser welding from behind, ie from the side of the base, wherein two welds 54, 56 are provided on each lug 40, 42, 44, 48, 50, which beads 46 are arranged on both sides. As shown in FIG. 3, which shows a front view of the lamp vessel 2 on the halogen incandescent lamp 1 according to the invention, the punctiform welds 54, 56 are not visible from the front, so that the aesthetic appearance is not disturbed. In conventional halogen incandescent lamps, the welds are in each case at the front of the aforementioned tabs and would therefore be seen in a representation GE measure Figure 3 visible. As a result of the measure according to the invention of carrying out the welding from the rear, the melting areas of the welds 54, 56 are virtually invisible, so that the excellent function of the halogen incandescent lamp 1 is accompanied by a high-quality appearance.
Nach dem Verschweißen der Ringe 12, 14 wird der Referenzring 14 abschnittsweise in eine Aufnahme 58 (siehe Figur 1 und 5) des mit dem Federring 27 versehenen Sockelteils 16 eingesetzt und bspw. durch Hochfrequenzschweißen ver- bunden. Das Lampengefäß 2 ist, wie eingangs beschrieben, in den Fixierring 8 eingesetzt. Diese vormontierte Einheit wird dann gemäß Figur 1 auf den freien, radial zurückgesetzten Endabschnitt 60 (siehe Figur 4) des Justierrings 12 auf- gesetzt und justiert, so dass die Glühwendeln in einer vorbestimmten Axial- und Drehwinkelposition angeordnet sind. In einem sich anschließenden Fertigungsschritt wird dann der Fixierring 8 in seiner justierten Position mittels Laserschweißen mit dem Justierring 12 verbunden.After the welding of the rings 12, 14, the reference ring 14 is inserted in sections into a receptacle 58 (see FIGS. 1 and 5) of the base part 16 provided with the spring ring 27 and, for example, connected by high frequency welding. The lamp vessel 2 is, as described above, inserted into the fixing ring 8. This preassembled unit is then placed on the free, radially recessed end portion 60 (see Figure 4) of the adjusting ring 12 and adjusted according to Figure 1, so that the filaments are arranged in a predetermined axial and rotational angular position. In a subsequent manufacturing step, the fixing ring 8 is then connected in its adjusted position by means of laser welding with the adjusting ring 12.
Figur 5 zeigt die Einheit aus Justierring 12 und Referenzring 14 nach dem Verschweißen mit dem Sockelteil 16. Wie in der eingangs genannten DE 20 2006 002 888 Ul beschrieben, ist der Diagonalsteg 24 mit einem herausnehmbaren Verschlussteil ausgeführt, das in der Darstellung gemäß Figur 5 nicht zu sehen ist. Dieses Verschlussteil gibt eine Ausnehmung frei, durch die hindurch die genannten Stromzuführungen mit den Enden der Kontaktfahnen 18, 20, 22 verschweißt werden können. Nach diesem Verschweißen wird das Verschlussstück eingesetzt, so dass sich der Diagonalsteg 24 über den ganzen Durchmesser des Sockelflansches 26 erstreckt.FIG. 5 shows the unit comprising the adjusting ring 12 and the reference ring 14 after welding to the base part 16. As described in the aforementioned DE 20 2006 002 888 U1, the diagonal bar 24 is designed with a removable closure part which, in the illustration according to FIG you can see. This closure part releases a recess through which said power supply lines can be welded to the ends of the contact lugs 18, 20, 22. After this welding, the closure piece is inserted, so that the diagonal web 24 extends over the entire diameter of the base flange 26.
Wenn die Halogenglühlampe 1 in ein Scheinwerfergehäuse eingesetzt ist, liegt eine Montageaufnahme des Reflektors oder des Gehäuses zwischen den Referenzlaschen 40, 42, 44 und den Federzungen 28, so dass die Lampe in Axialrichtung fixiert ist. Die Abstützung in Radialrichtung erfolgt dabei durch die an der Umfangswandung der Montageaufnahme anliegende Nase 38 der Andruckfeder 36.When the halogen incandescent lamp 1 is inserted into a headlight housing, a mounting receptacle of the reflector or the housing is between the reference tabs 40, 42, 44 and the spring tongues 28, so that the lamp is fixed in the axial direction. The support in the radial direction is effected by the voltage applied to the peripheral wall of the mounting receptacle nose 38 of the pressure spring 36th
Offenbart sind ein Lampensockel für eine Fahrzeuglampe, eine mit einem derartigen Lampensockel ausgeführte Fahr- zeuglampe und ein Verfahren zur Herstellung einer derartigen Fahrzeuglampe, die im Wesentlichen aus einem Lampengefäß und einem Sockelteil besteht. Das Sockelteil hat einen Justierring und einen Fixierring, die von einer vom Lampengefäß abgewandten Rückseite her miteinander verschweißt sind. Disclosed are a lamp base for a vehicle lamp, a running with such a lamp base driving zeuglampe and a method for producing such a vehicle lamp, which consists essentially of a lamp vessel and a base part. The base part has an adjusting ring and a fixing ring which are welded together from a rear side facing away from the lamp vessel.

Claims

Ansprüche claims
1. Lampensockel für eine Fahrzeuglampe, insbesondere eine Halogenglühlampe (1), mit einem Sockelteil (16), aus dem Kontaktfahnen (18, 20, 22) zur elektrischen Kontaktierung herausragen und das einen mit einem Justierring (12) verschweißten Referenzring (14) trägt, wobei auf den Justierring (12) ein Lampengefäß (2) unmittelbar oder über einen Fixierring (8) aufgesetzt ist, dadurch gekennzeichnet, dass eine Aufschmelzzone (54, 56) der Verschweißung zwischen Refe- renz- und Justierring (12, 14) an vom Lampengefäß (2) abgewandten, rückseitigen Flächenabschnitten (48, 50, 52) ausgebildet ist.1. Lamp socket for a vehicle lamp, in particular a halogen incandescent lamp (1), with a base part (16), protrude from the contact lugs (18, 20, 22) for electrical contacting and the one with an adjusting ring (12) welded reference ring (14) , wherein on the adjusting ring (12) a lamp vessel (2) is placed directly or via a fixing ring (8), characterized in that a melting zone (54, 56) of the welding between reference and adjusting ring (12, 14) from the lamp vessel (2) facing away, rear surface portions (48, 50, 52) is formed.
2. Lampensockel nach Patentanspruch 1, wobei Justierring2. Lamp base according to claim 1, wherein adjusting ring
(12) und Referenzring (14) radial herausragende, zu- einander ausgerichtete Laschen (40, 42, 44; 48, 50, 52) haben, entlang denen die Verschweißung erfolgt.(12) and reference ring (14) radially projecting, mutually aligned tabs (40, 42, 44, 48, 50, 52) along which the welding takes place.
3. Lampensockel nach Patentanspruch 2, wobei die refe- renzringseitigen Referenzlaschen (40, 42, 44) zur Lagepositionierung beim Einsetzen der Halogenglühlampe (1) in eine Montageaufnahme sind.3. Lamp base according to claim 2, wherein the reference ring-side reference tabs (40, 42, 44) for positional positioning when inserting the halogen incandescent lamp (1) in a mounting receptacle.
4. Fahrzeuglampe, insbesondere Halogenglühlampe (1) mit einem gasdicht verschmolzenen, mit einem Füllgas gefüllten Lampengefäß (2), in dem zumindest eine Wendel aufgenommen ist und das in einem Lampensockel (4) ge- maß einem der vorhergehenden Patentansprüche eingesetzt ist. 4. vehicle lamp, in particular halogen incandescent lamp (1) with a gas-tight fused, filled with a filling gas lamp vessel (2), in which at least one coil is accommodated and in a lamp base (4) measure GE one of the preceding claims used.
5. Verfahren zur Herstellung einer Fahrzeuglampe gemäß Patentanspruch 4 mit den Schritten:- Ansetzen des Sockelteils (16) an den mit dem Justierring (12) verschweißten Referenzring (14) und5. A method for producing a vehicle lamp according to claim 4 with the steps: - Attachment of the base part (16) to the with the adjusting ring (12) welded reference ring (14) and
- Verschweißen von Referenz- und Justierring (12,Welding the reference and adjusting ring (12,
14) von einer vom Lampengefäß (2) abgewandten Rückseite her,14) from a rear side facing away from the lamp vessel (2),
- Ansetzen des Sockelteils (16) an den mit dem Justierring (12) verschweißten Referenzring (14) und- Attaching the base part (16) to the with the adjusting ring (12) welded reference ring (14) and
- Aufsetzen des Lampengefäßes (2).- Place the lamp vessel (2).
6. Verfahren nach Patentanspruch 5, wobei das Verschweißen von Referenz- und Justierring (12, 14) durch Laserschweißen erfolgt.6. The method according to claim 5, wherein the welding of reference and adjusting ring (12, 14) takes place by laser welding.
7. Verfahren nach Patentanspruch 5 oder 6, wobei ein das Lampengefäß (2) tragender Fixierring (8) auf den Justierring (12) aufgesetzt, ausgerichtet und dann mit diesem verschweißt wird. 7. The method according to claim 5 or 6, wherein a lamp vessel (2) bearing fixing ring (8) placed on the adjusting ring (12), aligned and then welded thereto.
EP08718292.9A 2007-04-02 2008-03-27 Lamp base, vehicle lamp comprising such a base, and method for the production of a vehicle lamp Not-in-force EP2132762B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007015923A DE102007015923A1 (en) 2007-04-02 2007-04-02 Lamp base, vehicle lamp with such a lamp base and method for producing a vehicle lamp
PCT/EP2008/053674 WO2008119746A2 (en) 2007-04-02 2008-03-27 Lamp base, vehicle lamp comprising such a base, and method for the production of a vehicle lamp

Publications (2)

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EP2132762A2 true EP2132762A2 (en) 2009-12-16
EP2132762B1 EP2132762B1 (en) 2015-07-15

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US (1) US20100103692A1 (en)
EP (1) EP2132762B1 (en)
JP (1) JP2010524162A (en)
CN (1) CN101681753A (en)
DE (1) DE102007015923A1 (en)
WO (1) WO2008119746A2 (en)

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JP1573409S (en) * 2016-06-14 2017-04-10
DE102016210673A1 (en) * 2016-06-15 2017-12-21 Osram Gmbh Holding device for lamps in vehicle lights and vehicle light

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DE4428357A1 (en) 1994-08-10 1996-02-15 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Halogen light bulb with no cement
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CN1156867C (en) * 1996-01-11 2004-07-07 电灯专利信托有限公司 Lamp without adhesive floor inserted stand and combined piece of said lamp and reflective shade
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DE102007015923A1 (en) 2008-10-09
US20100103692A1 (en) 2010-04-29
WO2008119746A2 (en) 2008-10-09
JP2010524162A (en) 2010-07-15
WO2008119746A3 (en) 2009-12-03
EP2132762B1 (en) 2015-07-15
CN101681753A (en) 2010-03-24

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