EP1037245B1 - Radiation element with double-ended discharge lamp and lamp socket - Google Patents

Radiation element with double-ended discharge lamp and lamp socket Download PDF

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Publication number
EP1037245B1
EP1037245B1 EP00104301A EP00104301A EP1037245B1 EP 1037245 B1 EP1037245 B1 EP 1037245B1 EP 00104301 A EP00104301 A EP 00104301A EP 00104301 A EP00104301 A EP 00104301A EP 1037245 B1 EP1037245 B1 EP 1037245B1
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EP
European Patent Office
Prior art keywords
coding
gap
width
region
longitudinal axis
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EP00104301A
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German (de)
French (fr)
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EP1037245A2 (en
EP1037245A3 (en
Inventor
Ullrich Bernd
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Heraeus Noblelight GmbH
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Heraeus Noblelight GmbH
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R33/00—Coupling devices specially adapted for supporting apparatus and having one part acting as a holder providing support and electrical connection via a counterpart which is structurally associated with the apparatus, e.g. lamp holders; Separate parts thereof
    • H01R33/05—Two-pole devices
    • H01R33/06—Two-pole devices with two current-carrying pins, blades or analogous contacts, having their axes parallel to each other
    • H01R33/08—Two-pole devices with two current-carrying pins, blades or analogous contacts, having their axes parallel to each other for supporting tubular fluorescent 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/64—Means for preventing incorrect coupling
    • H01R13/642—Means for preventing incorrect coupling by position or shape of contact members

Definitions

  • the present invention relates to a radiator unit from double-ended discharge lamp and lamp socket, wherein the discharge lamp comprises a lamp bulb, the two enclosing in the direction of a piston longitudinal axis opposite electrodes at its front ends by means of bruises, from which for the electrical contact the electrodes each led out a current feedthrough and a pin is closed, closed, with each pinch at least partially from one Socket is surrounded by electrically insulating material, through which the free end of the respective terminal pin extends and into the socket in which the discharge lamp in a is used perpendicular to the piston longitudinal axis extending insertion, engages, and wherein the socket for receiving the terminal pins, a right and a left receiving part has, each provided with a contact element made of electrically conductive material is, on which the respective pin abuts.
  • Such a radiator unit from both sides gedockelter discharge lamp and lamp socket is known from DE-A 39 34 348.
  • the power supply lines each comprise a contact pin made of nickel, brass, copper or a nickel-based alloy with a given outside diameter.
  • the contact pins each extend through a base sleeve of alumina ceramic or plastic, wherein they are arranged on a common axis.
  • the socket for the discharge lamp comprises a left and a right receiving part, both sides the discharge lamp are arranged and which contain a metallic contact spring, in which the free end of the respective contact pin is clamped.
  • Such radiator units come, for example, when used as a UV radiator in Area of cosmetics for the purpose of increasing the pigmentation of the skin or in the medical Area for therapeutic treatment of diseased skin areas used.
  • the invention is therefore based on the object, a radiator unit with both sockelter Develop discharge lamp so that confusion with high security excluded can be.
  • This object is achieved according to the invention from the emitter unit described above achieved in that at least one of the pins in the range of at least one predetermined coding, seen in the insertion, a taper of its lateral Pen width with - seen in the direction of the piston longitudinal axis - given taper length and - in the direction perpendicular to it - given lateral residual width, and that at least one of the receiving parts is closed with a coding element, in the region of the coding point an open in the insertion direction and in the direction of the piston longitudinal axis extending coding gap, with the taper of the pin corresponds, such that its gap length is shorter than the taper length, and that he has a minimum gap width that is at a value in the range between the lateral pen width and the remaining width is set.
  • the double-ended discharge lamp is in plug-in direction - ie in the direction of vertical to the piston longitudinal axis - inserted into the mutual receiving parts of the socket.
  • the radiator unit at least one of the receiving parts with a Coding element closed.
  • the coding element is intended to insert an unsuitable Prevent discharge lamp into the socket.
  • the coding element has a coding gap on, with a cross-sectional taper of the terminal pin of the discharge lamp Corresponds to the type of key and lock.
  • the taper of the connecting pin in the area the coding can, for example, in the form of a rectangular groove, a V-groove, or as be formed concave inside curvature.
  • the cross section of the pin Seen in the insertion direction is continuously correspondingly tapered.
  • the cross-sectional rejuvenation remains a residual width of the pin, which is smaller than the width the Kodierspaltes, so that the coded pin pass the coding and in the receiving part can be used. Only then is the electrical contact with the contact element produced. Terminal pins that lack the appropriate "coding" can neither be inserted into the socket, nor is an electrical contact with the contact element within the receiving parts of the socket.
  • the Coding gap is open in the insertion direction and extends in the direction of the piston longitudinal axis.
  • the Coding gap has a minimum gap width, which has a value in the range between the lateral Width of the pin and the remaining width in the area of the taper is set.
  • the gap width of the coding gap can be constant. Otherwise Set the minimum gap width in an upper area of the coding gap, the Slit width of Kodierspaltes in a - seen in the insertion - - lower, lower Range can be larger.
  • a radiator unit is preferred in which the at least one connecting pin has a plurality of coding points which correspond to one or more coding elements.
  • Several Coding points allow a greater variety of coding, thus enabling a finer classification of suitable discharge lambres and thus increase safety in terms of a use of unsuitable discharge lamps.
  • the respective coding stations can at a be provided common side of the respective pin, or on opposite sides Pages.
  • An embodiment of the emitter unit has proved to be suitable, in which the taper is designed as a circumferential groove.
  • a deratige circumferential groove is particularly at a pin with a round cross section easy to produce.
  • the taper is as in Plug insertion extending longitudinal slot formed.
  • a deratiger slot is particular in a pin with rectangular cross section to prefer.
  • the taper in the taper is formed as a groove with a flat bottom portion, and wherein the Kodierspalt - Seen in the insertion - after a region with the minimum gap width a Extending region whose opening width is at least as large as the Diameter, which is an envelope around the cross section - in the direction of the piston longitudinal axis describes - the pin in the coding area describes, and wherein the Kodierspalt a flat side corresponding to the bottom portion.
  • a mechanical stop for the pin is provided.
  • the pin can, if the appropriate coding has been inserted into the coding gap and then to be rotated about its longitudinal axis until the flat bottom portion of the groove the flat side of Kodierspaltes rests. This will ensure compliance with a given orientation the discharge lamp to the socket easier.
  • the extension area allows turning the connecting pin around the piston longitudinal axis.
  • the contact element is a surrounding the respective pin Spring element formed.
  • a coding which is designed in the form of a Kodierbleches. Such a coding is to produce with little effort.
  • the coding plate is included mounted in the receiving part so that at least one flat side perpendicular to the piston longitudinal axis runs.
  • the gap length of the Kodierspaltes corresponds in the case of the sheet thickness.
  • the coding gap has a center line parallel to the insertion direction and laterally offset from the piston longitudinal axis. Due to the acentric arrangement of Coding gap outside defined by the insertion direction and the piston longitudinal axis Level results in a greater Vaairtionsvielfalt of possible encodings.
  • the emitter unit shown in Figure 1 consists of a discharge lamp 1 and a socket with a right receiving part 2 and a left receiving part 3.
  • the discharge lamp 1 has a tubular quartz glass bulb 4, which encloses (not shown in the figure) electrodes.
  • the electrodes are connected in each case via a pressed in the piston end metal foil with an external power supply line in the form of metallic contact pins 5, 6.
  • the bruises are each surrounded by a protective cover 7.
  • Their height - the dimension parallel to the insertion direction, which is indicated in Figure 1 with the directional arrow 14, is 4 mm and their lateral pin width in each case 3 mm.
  • the pointing to the right in the figure pin 5 is provided with a continuous rectangular groove 10 and the left-facing pin 6 with two mutually parallel, continuous rectangular grooves 11, 12.
  • All Facultyecknuten 11, 12, 13 extend in the insertion direction 14 and have a depth of 1 mm and a width - seen their dimension in the direction of the longitudinal axis 8 - of 1 mm, wherein the bottom of the groove is formed flat.
  • the lateral residual width of the contact pins 5, 6 in the region of the rectangular grooves 11, 12, 13 is thus in each case 2 mm.
  • the two rectangular grooves 11, 12 are formed on the same side 13 of the contact pin 6, wherein their distance from each other is 10 mm.
  • the receiving parts 2, 3 each consist of a housing part 15, 16 made of alumina ceramic, which have a cavity for receiving an insert 17, 27.
  • the insert 17 is from a U-shaped bent coding plate 18, the free legs 19, 20 in the direction protrude opposite to the insertion direction 14 and each with an upwardly open Kodierspalt 21, 22 are provided.
  • the distance between the two coding gaps 21, 22 is 10 mm, corresponding to the distance between the two rectangular grooves 11, 12.
  • the minimum gap width of Both Kodierspalte 21, 22 is formed in the upper region and it is 2.2 mm in each case.
  • the opposite insert 27 consists of a rectangular bent coding plate 28, of which a leg 29 projects in the direction opposite to the insertion direction 14 and with an in Shape and dimension of Kodierspaltes 21 corresponding, upwardly open Kodierspalt 30 is provided.
  • the insert 27 is also provided with a metallic contact spring 31.
  • the fully assembled version 2 correspond to the distances of Kodierspalte 21, 22, 30th each other exactly the distances of the rectangular grooves 10, 11, 12 of the contact pins 5, 6.
  • the minimum gap width of the coding gap of 2.2 mm allows the insertion of the discharge lamp 1 in the orientation shown in Figure 1, ie with parallel to the insertion 14 extending rectangular grooves 10, 11, 12 to.
  • the coding column 21, 22, 30 form such a Coding that allows only the use of such a discharge lamp in the version 2, 3, the has the corresponding coding on the side of the contact pins, as shown in Figure 1 is.

Landscapes

  • Common Detailed Techniques For Electron Tubes Or Discharge Tubes (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
  • Connecting Device With Holders (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Resistance Heating (AREA)
  • Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)

Abstract

At least one connecting pin has a tapered section of defined length in the region of a coding plate. At least one receptacle part is closed by a coding element which has a coding gap (21,22) which extends in the direction of the longitudinal axis of the light bulb, and which is open in the insertion direction in the region of the coding plate. The coding gap corresponds to the tapered section of the connecting pin, in that its gap length is shorter than the length of the taper, and its gap width is a minimum width set at a value between the lateral pin width and the residual width.

Description

Die vorliegende Erfindung betrifft eine Strahlereinheit aus beidseitig gesockelter Entladungslampe und Lampen-Fassung, wobei die Entladungslampe einen Lampenkolben aufweist, der zwei sich in Richtung einer Kolben-Längsachse gegenüberliegende Elektroden umschließend an seinen stirnseitigen Enden mittels Quetschungen, aus denen für die elektrische Kontaktierung der Elektroden jeweils eine Stromdurchführung herausgeführt und mit einem Anschlußstift verbunden ist, verschlossen ist, wobei jede Quetschung mindestens teilweise von einem Sockel aus elektrisch isolierendem Werkstoff umgeben ist, durch den sich das freie Ende des jeweiligen Anschlußstiftes erstreckt und in die Fassung, in der die Entladungslampe in einer senkrecht zur Kolben-Längsachse verlaufenden Einsteckrichtung einsetzbar ist, eingreift, und wobei die Fassung zur Aufnahme der Anschlußstifte ein rechtes und ein linkes Aufnahmeteil aufweist, das jeweils mit einem Kontaktelement aus elektrisch leitendem Werkstoff versehen ist, an dem der jeweilige Anschlußstift anliegt.The present invention relates to a radiator unit from double-ended discharge lamp and lamp socket, wherein the discharge lamp comprises a lamp bulb, the two enclosing in the direction of a piston longitudinal axis opposite electrodes at its front ends by means of bruises, from which for the electrical contact the electrodes each led out a current feedthrough and a pin is closed, closed, with each pinch at least partially from one Socket is surrounded by electrically insulating material, through which the free end of the respective terminal pin extends and into the socket in which the discharge lamp in a is used perpendicular to the piston longitudinal axis extending insertion, engages, and wherein the socket for receiving the terminal pins, a right and a left receiving part has, each provided with a contact element made of electrically conductive material is, on which the respective pin abuts.

Eine derartige Strahlereinheit aus beidseitig gesockelter Entladungslampe und Lampen-Fassung ist aus der DE-A 39 34 348 bekannt. Bei der darin beschriebenen Entladungslampe liegen sich innerhalb eines rohrförmigen Quarzglaskolbens zwei Elektroden in der Kolbenlängsachse gegenüber, die jeweils über eine im Kolbenende eingequetschte Metallfolie mit einer äußeren Stromzuleitung verbunden sind. Die Stromzuleitungen umfassen jeweils einen Kontaktstift aus Nickel, Messing, Kupfer oder aus einer Nickelbasislegierung mit vorgegebenem Außendurchmesser. Die Kontaktstifte erstrecken sich jeweils durch eine Sockelhülse aus Aluminiumoxidkeramik oder aus Kunststoff, wobei sie auf einer gemeinsamen Achse angeordnet sind. Die Fassung für die Entladungslampe umfaßt ein linkes und ein rechtes Aufnahmeteil, die beiderseits der Entladungslampe angeordnet sind und die eine metallische Kontaktfeder enthalten, in der das freie Endes des jeweiligen Kontaktstiftes eingeklemmt ist. Such a radiator unit from both sides gedockelter discharge lamp and lamp socket is known from DE-A 39 34 348. In the discharge lamp described therein lie within a tubular quartz glass bulb, two electrodes in the piston longitudinal axis opposite, in each case via a squeezed in the piston end metal foil with an outer Power supply are connected. The power supply lines each comprise a contact pin made of nickel, brass, copper or a nickel-based alloy with a given outside diameter. The contact pins each extend through a base sleeve of alumina ceramic or plastic, wherein they are arranged on a common axis. The socket for the discharge lamp comprises a left and a right receiving part, both sides the discharge lamp are arranged and which contain a metallic contact spring, in which the free end of the respective contact pin is clamped.

Derartige Strahlereinheiten kommen beispielsweise bei einer Verwendung als UV-Strahler im Bereich der Kosmetik zum Zweck einer Erhöhung der Pigmentierung der Haut oder im medizinischen Bereich für eine therapeutische Behandlung erkrankter Hautbezirke zum Einsatz.Such radiator units come, for example, when used as a UV radiator in Area of cosmetics for the purpose of increasing the pigmentation of the skin or in the medical Area for therapeutic treatment of diseased skin areas used.

Aus Verwechslungen verschiedener Lampentypen und Leistungsklassen können gesundheitliche Nachteile, und bei technischen Anwendungen, kostspielige Folgen durch fehlerhafte Herstellungsverfahren resultieren. Um solche Verwechslungen zu vermeiden wird in der DE-A 41 33 614 vorgeschlagen, dem im Lampemkolben enthaltenden Gasgemisch eine charakteristische strahlungsemittierende Substanz beizumischen, deren Emissionsspektrum von einem Detektor festgestellt werden kann. Der Detektor erkennt jedoch solche ungeeignete Lampentypen und Leistungsklassen nicht, bei denen das charakteristische Emissionsspektrum vorhanden ist. Verwechslungen sind daher möglich. In der US-PS 4,713, 019 wird vorgeschlagen, den Sockel einer Entladungslampe mit Vorsprüngen zu versehen, die mit Schlitzen in der Fassung korrespondieren. Als problematisch erweist sich hier, daß in diese Fassung auch Sockel ohne derartige Vorsprünge passen, so daß auch bei diesem Lösungsvorschlag Verwechslungen nicht auszuschließen sind.From confusion of different lamp types and performance classes can health Disadvantages, and in technical applications, costly consequences of incorrect manufacturing processes result. To avoid such confusion is in the DE-A 41 33 614 proposed, the gas mixture contained in the Lampemkolben a characteristic to mix radiation-emitting substance whose emission spectrum of a detector can be detected. However, the detector detects such inappropriate Lamp types and power classes not where the characteristic emission spectrum is available. Mistakes are therefore possible. US Pat. No. 4,713,019 proposes to provide the base of a discharge lamp with projections, with slots in the Correspond to the version. As problematic proves here that in this version also Base fit without such projections, so that even with this proposed solution confusion can not be ruled out.

Der Erfindung liegt daher die Aufgabe zugrunde, eine Strahlereinheit mit beidseitig gesockelter Entladungslampe so weiterzubilden, daß Verwechslungen mit hoher Sicherheit ausgeschlossen werden können.The invention is therefore based on the object, a radiator unit with both sockelter Develop discharge lamp so that confusion with high security excluded can be.

Diese Aufgabe wird ausgehend von der eingangs beschriebenen Strahlereinheit erfindungsgemäß dadurch gelöst, daß mindestens einer der Anschlußstifte im Bereich mindestens einer vorbestimmten Kodierstelle, in Einsteckrichtung gesehen, eine Verjüngung seiner lateralen Stiftbreite mit - in Richtung der Kolben-Längsachse gesehen - vorgegebener Verjüngungslänge und - in der Richtung senkrecht dazu gesehen - vorgegebener lateraler Restbreite, aufweist, und daß mindestens eines der Aufnahmeteile mit einem Kodierelement verschlossen ist, das im Bereich der Kodierstelle einen in Einsteckrichtung offenen und in Richtung der Kolben-Längsachse verlaufenden Kodierspalt aufweist, der mit der Verjüngung des Anschlußstiftes korrespondiert, derart, daß seine Spaltlänge kürzer ist als die Verjüngungslänge, und daß er eine minimale Spaltweite aufweist, die auf einen Wert im Bereich zwischen der lateralen Stiftbreite und der Restbreite eingestellt ist.This object is achieved according to the invention from the emitter unit described above achieved in that at least one of the pins in the range of at least one predetermined coding, seen in the insertion, a taper of its lateral Pen width with - seen in the direction of the piston longitudinal axis - given taper length and - in the direction perpendicular to it - given lateral residual width, and that at least one of the receiving parts is closed with a coding element, in the region of the coding point an open in the insertion direction and in the direction of the piston longitudinal axis extending coding gap, with the taper of the pin corresponds, such that its gap length is shorter than the taper length, and that he has a minimum gap width that is at a value in the range between the lateral pen width and the remaining width is set.

Die beidseitig gesockelte Entladungslampe wird in Einsteckrichtung - also in Richtung senkrecht zur Kolben-Längsachse - in die beiderseitigen Aufnahmeteile der Fassung eingesetzt. Bei der erfindungsgemäßen Strahlereinheit ist mindestens eines der Aufnahmeteile mit einem Kodierelement verschlossen. Das Kodierelement soll ein Einsetzen einer ungeeigneten Entladungslampe in die Fassung verhindern. Hierzu weist das Kodierelement einen Kodierspalt auf, der mit einer Querschnittsverjüngung des Anschlußstiftes der Entladungslampe nach Art von Schlüssel und Schloß korrespondiert. Die Verjüngung des Anschlußstiftes im Bereich der Kodierstelle kann beispielsweise in Form einer Rechtecknut, einer V-Nut, oder als konkave Innenwölbung ausgebildet sein. Wesentlich ist, daß der Querschnitt des Anschlußstiftes in Einsteckrichtung gesehen durchgehend entsprechend verjüngt ist. Durch die Querschnittsverjüngung verbleibt eine Restbreite des Anschlußstiftes, die kleiner ist, als die Breite des Kodierspaltes, so daß der so kodierte Anschlußstift das Kodierelement passieren und in das Aufnahmeteil eingesetzt werden kann. Nur so ist der elektrische Kontakt mit dem Kontaktelement herstellbar. Anschlußsstifte, denen die entsprechende "Kodierung" fehlt, können weder in die Fassung eingesetzt werden, noch ist ein elektrischer Kontakt mit dem Kontaktelement innerhalb der Aufnahmeteile der Fassung zu erreichen.The double-ended discharge lamp is in plug-in direction - ie in the direction of vertical to the piston longitudinal axis - inserted into the mutual receiving parts of the socket. In the radiator unit according to the invention at least one of the receiving parts with a Coding element closed. The coding element is intended to insert an unsuitable Prevent discharge lamp into the socket. For this purpose, the coding element has a coding gap on, with a cross-sectional taper of the terminal pin of the discharge lamp Corresponds to the type of key and lock. The taper of the connecting pin in the area the coding can, for example, in the form of a rectangular groove, a V-groove, or as be formed concave inside curvature. It is essential that the cross section of the pin Seen in the insertion direction is continuously correspondingly tapered. Through the cross-sectional rejuvenation remains a residual width of the pin, which is smaller than the width the Kodierspaltes, so that the coded pin pass the coding and in the receiving part can be used. Only then is the electrical contact with the contact element produced. Terminal pins that lack the appropriate "coding" can neither be inserted into the socket, nor is an electrical contact with the contact element within the receiving parts of the socket.

Damit der Anschlußstift in Einsteckrichtung eingeführt werden kann, ist es erforderlich, daß der Kodierspalt in Einsteckrichtung offen ist und in Richtung der Kolben-Längsachse verläuft. Der Kodierspalt weist eine minimale Spaltweite auf, die auf einen Wert im Bereich zwischen der lateralen Breite des Anschlußstiftes und der Restbreite im Bereich der Verjüngung eingestellt ist. In Einsteckrichtung gesehen, kann die Spaltweite des Kodierspaltes konstant sein. Andernfalls ist die minimale Spaltweite in einem oberen Bereich des Kodierspaltes einzustellen, wobei die Spaltweite des Kodierspaltes in einem - in Einsteckrichtung gesehen - darunter liegenden, unteren Bereich größer sein kann.So that the pin can be inserted in the insertion direction, it is necessary that the Coding gap is open in the insertion direction and extends in the direction of the piston longitudinal axis. Of the Coding gap has a minimum gap width, which has a value in the range between the lateral Width of the pin and the remaining width in the area of the taper is set. When viewed in the insertion direction, the gap width of the coding gap can be constant. Otherwise Set the minimum gap width in an upper area of the coding gap, the Slit width of Kodierspaltes in a - seen in the insertion - - lower, lower Range can be larger.

Es wird eine Strahlereinheit bevorzugt, bei der der mindestens eine Anschlußstift mehrere Kodierstellen aufweist, die mit einem oder mit mehreren Kodierelementen korrespondieren. Mehrere Kodierstellen erlauben eine größere Variationsvielfalt der Kodierung, ermöglichen so eine feinere Einteilung geeigneter Entladungslamen und erhöhen somit die Sicherheit in Bezug auf einen Einsatz ungeeigneter Entladungslampen. Die jeweiligen Kodierstellen können an einer gemeinsamen Seite des jeweiligen Anschlußstiftes vorgesehen sein, oder an sich gegenüberliegenden Seiten.A radiator unit is preferred in which the at least one connecting pin has a plurality of coding points which correspond to one or more coding elements. Several Coding points allow a greater variety of coding, thus enabling a finer classification of suitable discharge lambres and thus increase safety in terms of a use of unsuitable discharge lamps. The respective coding stations can at a be provided common side of the respective pin, or on opposite sides Pages.

In dieser Hinsicht hat es sich auch bewährt, daß beide Anschlußstifte mindestens eine Kodierstelle aufweisen, und daß das linke und das rechte Aufnahmeteil mit mindestens einem entsprechenden Kodierelement verschlossen ist, das im Bereich der jeweiligen Kodierstelle einen Kodierspalt aufweist. In this regard, it has also been proven that both pins at least one coding and that the left and the right receiving part with at least one corresponding Encoding element is closed, the one in the region of the respective coding Coding has.

Als geeignet hat sich eine Ausführungsform der Strahlereinheit erwiesen, bei der die Verjüngung als umlaufende Nut ausgebildet ist. Eine deratige umlaufende Nut ist insbesondere bei einem Anschlußstift mit rundem Querschnitt leicht herstellbar.An embodiment of the emitter unit has proved to be suitable, in which the taper is designed as a circumferential groove. A deratige circumferential groove is particularly at a pin with a round cross section easy to produce.

In einer alternativen und gleichermaßen geeigneten Ausfühurngsform ist die Verjüngung als in Einsteckrichtung verlaufender Längsschlitz ausgebildet. Ein deratiger Schlitz ist insbesondere bei einem Anschlußstift mit rechteckigem Querschnitt zu bevorzugen.In an alternative and equally suitable embodiment, the taper is as in Plug insertion extending longitudinal slot formed. A deratiger slot is particular in a pin with rectangular cross section to prefer.

Besonders bewährt hat sich eine Ausführungsform der erfindungsgemäßen Strahlereinheit, bei der die Verjüngung als Nut mit flachem Bodenbereich ausgebildet ist, und wobei der Kodierspalt - in Einsteckrichtung gesehen - nach einem Bereich mit der minimalen Spaltweite einen Erweiterungsbereich aufweist, dessen Öffnungsweite mindestens so groß ist wie der Durchmesser, den eine Einhüllende um den Querschnitt - in Richtung der Kolben-Längsachse gesehen - des Anschlußstiftes im Bereich der Kodierstelle beschreibt, und wobei der Kodierspalt eine Flachseite aufweist, die mit dem Bodenbereich korrespondiert. Bei dieser Ausführungsform ist ein mechanischer Anschlag für den Anschlußstift vorgesehen. Der Anschlußstift kann, sofern der die passende Kodierung aufweist, in den Kodierspalt eingesetzt und anschließend um seine Längsachse gedreht werden, bis der flache Bodenbereich der Nut auf der Flachseite des Kodierspaltes anliegt. Dadurch wird die Einhaltung einer vorgegebenen Orientierung der Entladungslampe zur Fassung erleichtert. Der Erweiterungsbereich erlaubt dabei das Drehen des Anschlußstiftes um die Kolben-Längsachse.Has proven particularly useful an embodiment of the radiator unit according to the invention, in the taper is formed as a groove with a flat bottom portion, and wherein the Kodierspalt - Seen in the insertion - after a region with the minimum gap width a Extending region whose opening width is at least as large as the Diameter, which is an envelope around the cross section - in the direction of the piston longitudinal axis describes - the pin in the coding area describes, and wherein the Kodierspalt a flat side corresponding to the bottom portion. In this embodiment a mechanical stop for the pin is provided. The pin can, if the appropriate coding has been inserted into the coding gap and then to be rotated about its longitudinal axis until the flat bottom portion of the groove the flat side of Kodierspaltes rests. This will ensure compliance with a given orientation the discharge lamp to the socket easier. The extension area allows turning the connecting pin around the piston longitudinal axis.

Vorteilhafterweise ist das Kontaktelement als ein den jeweiligen Anschlußstift umschließendes Federelement ausgebildet. Dadurch wird ein sicherer Haft des Anschlußstiftes in der Fassung gewährleistet.Advantageously, the contact element is a surrounding the respective pin Spring element formed. As a result, a secure adhesion of the pin in the socket guaranteed.

Besonders bewährt sich ein Kodierelement, das in Form eines Kodierbleches ausgebildet ist. Ein derartiges Kodierblech ist mit geringem Aufwand zu fertigen. Das Kodierblech wird dabei im Aufnahmeteil so montiert, daß mindestens eine Flachseite senkrecht zur Kolben-Längsachse verläuft. Die Spaltlänge des Kodierspaltes entspricht in dem Fall der Blechdicke.Particularly proven is a coding, which is designed in the form of a Kodierbleches. Such a coding is to produce with little effort. The coding plate is included mounted in the receiving part so that at least one flat side perpendicular to the piston longitudinal axis runs. The gap length of the Kodierspaltes corresponds in the case of the sheet thickness.

Vorteilhafterweise weist der Kodierspalt eine Mittellinie auf, die parallel zur Einsteckrichtung und seitlich versetzt zur Kolben-Längsachse verläuft. Durch die azentrische Anordnung des Kodierspaltes außerhalb der durch die Einsteckrichtung und die Kolben-Längsachse definierte Ebene ergibt sich eine größere Vaairtionsvielfalt der möglichen Kodierungen. Advantageously, the coding gap has a center line parallel to the insertion direction and laterally offset from the piston longitudinal axis. Due to the acentric arrangement of Coding gap outside defined by the insertion direction and the piston longitudinal axis Level results in a greater Vaairtionsvielfalt of possible encodings.

Nachfolgend wird die Erfindung anhand von Ausführungsbeispielen und einer Zeichnung näher erläutert. In der Zeichnung zeigt

Figur 1:
eine Explosionszeichnung einer Ausführungsform der erfindungsgemäßen Strahlereinheit in perspektivischer Ansicht.
The invention will be explained in more detail with reference to embodiments and a drawing. In the drawing shows
FIG. 1:
an exploded view of an embodiment of the radiator unit according to the invention in a perspective view.

Die in Figur 1 dargestellte Strahlereinheit besteht aus einer Entladungslampe 1 und einer Fassung mit einem rechten Aufnahmeteil 2 und einem linken Aufnahmeteil 3. Die Entladungslampe 1 weist einen rohrförmigen Quarzglaskolben 4 auf, der (in der Figur nicht dargestellte) Elektroden umschließt. Die Elektroden sind jeweils über eine im Kolbenende eingequetschte Metallfolie mit einer äußeren Stromzuleitung in Form metallischer Kontaktstifte 5, 6 verbunden. Die Quetschungen sind jeweils mit einer Schutzhülle 7 umgeben. Die Kontaktstifte 5, 6, die sich beiderseits des Quarzglaskolbens 4 in dessen Längsachse 8 jeweils durch einen Keramiksockel 9 erstrecken, haben Rechteckprofil. Ihre Höhe - die Abmessung parallel zur Einsteckrichtung, die in Figur 1 mit dem Richtungspfeil 14 angedeutet ist, beträgt 4 mm und ihre laterale Stiftbreite jeweils 3 mm. Der in der Figur nach rechts weisende Kontaktstift 5 ist mit einer durchgehenden Rechtecknut 10 und der nach links weisende Kontaktstift 6 mit zwei parallel zueinander verlaufenden, durchgehenden Rechtecknuten 11, 12 versehen. Alle Rechtecknuten 11, 12, 13 verlaufen in Einsteckrichtung 14 und haben eine Tiefe von 1 mm und eine Breite - ihre Abmessung in Richtung der Längsachse 8 gesehen - von 1 mm, wobei der Boden der Nut jeweils flach ausgebildet ist. Die laterale Restbreite der Kontaktstifte 5, 6 im Bereich der Rechtecknuten 11, 12, 13 beträgt somit jeweils 2 mm. Die beiden Rechtecknuten 11, 12 sind auf der gleichen Seite 13 des Kontaktstiftes 6 ausgebildet, wobei ihr Abstand voneinander 10 mm beträgt.The emitter unit shown in Figure 1 consists of a discharge lamp 1 and a socket with a right receiving part 2 and a left receiving part 3. The discharge lamp 1 has a tubular quartz glass bulb 4, which encloses (not shown in the figure) electrodes. The electrodes are connected in each case via a pressed in the piston end metal foil with an external power supply line in the form of metallic contact pins 5, 6. The bruises are each surrounded by a protective cover 7. The contact pins 5, 6, each extending through a ceramic base 9 on both sides of the quartz glass bulb 4 in its longitudinal axis 8, have a rectangular profile. Their height - the dimension parallel to the insertion direction, which is indicated in Figure 1 with the directional arrow 14, is 4 mm and their lateral pin width in each case 3 mm. The pointing to the right in the figure pin 5 is provided with a continuous rectangular groove 10 and the left-facing pin 6 with two mutually parallel, continuous rectangular grooves 11, 12. All Rechtecknuten 11, 12, 13 extend in the insertion direction 14 and have a depth of 1 mm and a width - seen their dimension in the direction of the longitudinal axis 8 - of 1 mm, wherein the bottom of the groove is formed flat. The lateral residual width of the contact pins 5, 6 in the region of the rectangular grooves 11, 12, 13 is thus in each case 2 mm. The two rectangular grooves 11, 12 are formed on the same side 13 of the contact pin 6, wherein their distance from each other is 10 mm.

Die Aufnahmeteile 2, 3 bestehen aus je einem Gehäuseteil 15, 16 aus Aluminiumoxidkeramik, die einen Hohlraum für die Aufnahme eines Einsatzes 17, 27 aufweisen. Der Einsatz 17 besteht aus einem U-förmig gebogenen Kodierblech 18, dessen freie Schenkel 19, 20 in Richtung entgegen der Einsteckrichtung 14 ragen und die jeweils mit einem nach oben offenen Kodierspalt 21, 22 versehen sind. Der Abstand der beiden Kodierspalte 21, 22 beträgt 10 mm, entsprechend dem Abstand der beiden Rechtecknuten 11, 12. Die minimale Spaltweite der beiden Kodierspalte 21, 22 ist im oberen Bereich ausgebildet und sie liegt bei jeweils 2,2 mm. Darunter - in Einsteckrichtung 14 gesehen - findet sich eine Erweiterung 23, 24 der Kodierspalte 21, 22 mit einem Durchmesser von jeweils etwa 5 mm, wobei die der Entladungslampe 1 zugewandte Kodierspalt-Erweiterung 24 eine Flachseite 25 im Bodenbereich aufweist. In dem von den beiden Schenkeln 19, 20 umschlossenen Bereich ist eine metallische Kontaktfeder 26 befestigt, die mit einer Anschlußfahne 32 verbunden ist.The receiving parts 2, 3 each consist of a housing part 15, 16 made of alumina ceramic, which have a cavity for receiving an insert 17, 27. The insert 17 is from a U-shaped bent coding plate 18, the free legs 19, 20 in the direction protrude opposite to the insertion direction 14 and each with an upwardly open Kodierspalt 21, 22 are provided. The distance between the two coding gaps 21, 22 is 10 mm, corresponding to the distance between the two rectangular grooves 11, 12. The minimum gap width of Both Kodierspalte 21, 22 is formed in the upper region and it is 2.2 mm in each case. Below - seen in the insertion direction 14 - there is an extension 23, 24 of the coding column 21, 22 with a diameter of about 5 mm, wherein the discharge lamp. 1 facing Kodierspalt extension 24 has a flat side 25 in the bottom area. By doing of the two legs 19, 20 enclosed area is a metallic contact spring 26th attached, which is connected to a terminal lug 32.

Der gegenüberliegende Einsatz 27 besteht aus einem rechtwinklig gebogenen Kodierblech 28, von dem ein Schenkel 29 in Richtung entgegen der Einsteckrichtung 14 ragt und mit einem in Form und Abmessung dem Kodierspaltes 21 entsprechenden, nach oben offenen Kodierspalt 30 versehen ist. Der Einsatz 27 ist ebenfalls mit einer metallischen Kontaktfeder 31 versehen.The opposite insert 27 consists of a rectangular bent coding plate 28, of which a leg 29 projects in the direction opposite to the insertion direction 14 and with an in Shape and dimension of Kodierspaltes 21 corresponding, upwardly open Kodierspalt 30 is provided. The insert 27 is also provided with a metallic contact spring 31.

Bei der fertig montierten Fassung 2 entsprechen die Abstände der Kodierspalte 21, 22, 30 voneinander genau den Abständen der Rechtecknuten 10, 11, 12 der Kontaktstifte 5, 6. Darüberhinaus läßt die minimale Spaltweite der Kodierspalte von 2,2 mm das Einsetzen der Entladungslampe 1 in der in Figur 1 dargestellten Orientierung, also mit parallel zur Einsteckrichtung 14 verlaufenden Rechtecknuten 10, 11, 12 zu. Die Kodierspalte 21, 22, 30 bilden so eine Kodierung, die nur den Einsatz einer solchen Entladungslampe in die Fassung 2, 3 zuläßt, die die entsprechende Kodierung auf Seiten der Kontaktstifte aufweist, wie dies in Figur 1 dargestellt ist. Nach dem Einsetzen der Entladungslampe 1 wird diese um 90 ° um ihre Längsachse 8 gedreht, so daß der Boden der Rechecknut 11 auf der Flachseite 25 der Kodierspalt-Erweiterung 23 anschlägt. Dadurch wird eine exakte Positionierung der Entladungslampe in der Fassung 2, 3 gewährleistet. In dieser Position werden die Kontaktstifte 5, 6 durch die Federkraft der Kontaktfedern 26, 31 flächenmäßig fest kontaktiert.In the fully assembled version 2 correspond to the distances of Kodierspalte 21, 22, 30th each other exactly the distances of the rectangular grooves 10, 11, 12 of the contact pins 5, 6. In addition the minimum gap width of the coding gap of 2.2 mm allows the insertion of the discharge lamp 1 in the orientation shown in Figure 1, ie with parallel to the insertion 14 extending rectangular grooves 10, 11, 12 to. The coding column 21, 22, 30 form such a Coding that allows only the use of such a discharge lamp in the version 2, 3, the has the corresponding coding on the side of the contact pins, as shown in Figure 1 is. After insertion of the discharge lamp 1, this is 90 ° about its longitudinal axis 8, so that the bottom of the Rechecknut 11 on the flat side 25 of the Kodierspalt extension 23 strikes. As a result, an exact positioning of the discharge lamp in the Version 2, 3 guaranteed. In this position, the contact pins 5, 6 by the spring force the contact springs 26, 31 contacted in terms of area firmly.

Claims (8)

  1. Light emitter unit consisting of a gas discharge lamp (1) with bases at both ends and a lamp holder, wherein the gas discharge lamp has a lamp bulb (4) which is sealed at its ends ― enclosing two electrodes opposing each other in the direction of a longitudinal axis (8) of the bulb ― by pinches from each of which an electrical lead for electrical contacting of the electrodes is led out and connected to a connection pin (5, 6), wherein each pinch is at least partly surrounded by a base (9) of electrically insulating material through which the free end of the respective connection pin (5, 6) extends and engages in the holder in which the gas discharge lamp is insertable in an insertion direction (14) perpendicular to the longitudinal axis of the bulb, and wherein the holder has right and left seat parts (2, 3) for seating the connection pins, each provided with a contact element of electrically conducting material with which the respective connection pin makes contact, characterized in that at least one of the connection pins (5; 6) has a constriction (10; 11; 12) in its lateral width, viewed in the insertion direction (14), in the region of at least one predetermined coding point, with a specified length, viewed in the direction of the longitudinal axis (8) of the bulb, and a specified lateral residual width, viewed in the direction perpendicular thereto, and in that at least one of the seat parts (2; 3) is occluded with a coding element (18; 28) which has a coding gap (21; 22; 30) in the region of the coding point, open in the insertion direction (14) and extending in the direction of the longitudinal axis (8) of the bulb, and corresponding to the constriction (10; 11; 12) of the connection pin (5; 6), so that the length of the coding gap is less than the length of the constriction, and the coding gap has a minimum width set to a value within the range between the lateral width of the pin and the residual width.
  2. Light emitter unit according to Claim 1, characterized in that the at least one connection pin (6) has a plurality of coding points which correspond to one or more coding elements (18).
  3. Light emitter unit according to Claim 1 or Claim 2, characterized in that both connection pins (5; 6) have at least one coding point, and in that the left seat part (3) and the right seat part (2) are each occluded with at least one corresponding coding element (18; 28) that has a coding gap (21; 22; 30) in the region of the respective coding point.
  4. Light emitter unit according to any one of Claims 1 to 3, characterized in that the constriction is configured as a slot (10; 11; 12) extending in the insertion direction.
  5. Light emitter unit according to any one of Claims 1 to 3, characterized in that the constriction is configured as a peripheral groove.
  6. Light emitter unit according to any one of Claims 1 to 4, characterized in that the constriction is configured as a groove (10; 11; 12) with a flat bottom region, in that the coding gap (21) has, after a region with the minimum gap width ("after" when viewed in the insertion direction), a widening region (23) whose width of opening is at least as large as the diameter described by an envelope curve around the cross-section of the connection pin (6), viewed in the direction of the longitudinal axis (8), in the region of the coding point, and in that the coding gap (21) has a flat side (25) which corresponds to the bottom region.
  7. Light emitter unit according to any one of Claims 1 to 6, characterized in that the contact element is configured as a spring element (26; 31) clasping the respective connection pin (5; 6).
  8. Light emitter unit according to any one of Claims 1 to 7, characterized in that the coding gap (21; 22; 30) has a centreline which extends parallel with the insertion direction (14) and is laterally offset with respect to the longitudinal axis (8) of the bulb.
EP00104301A 1999-03-17 2000-03-02 Radiation element with double-ended discharge lamp and lamp socket Expired - Lifetime EP1037245B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19912032A DE19912032C1 (en) 1999-03-17 1999-03-17 Spotlight unit consisting of discharge lamp and lamp socket on both sides
DE19912032 1999-03-17

Publications (3)

Publication Number Publication Date
EP1037245A2 EP1037245A2 (en) 2000-09-20
EP1037245A3 EP1037245A3 (en) 2001-04-04
EP1037245B1 true EP1037245B1 (en) 2005-01-12

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EP00104301A Expired - Lifetime EP1037245B1 (en) 1999-03-17 2000-03-02 Radiation element with double-ended discharge lamp and lamp socket

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US (1) US6309236B1 (en)
EP (1) EP1037245B1 (en)
JP (1) JP2000299174A (en)
AT (1) ATE287125T1 (en)
DE (2) DE19912032C1 (en)
HU (1) HUP0001113A3 (en)
PL (1) PL338692A1 (en)

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Also Published As

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JP2000299174A (en) 2000-10-24
HUP0001113A2 (en) 2000-09-28
ATE287125T1 (en) 2005-01-15
DE19912032C1 (en) 2000-11-30
EP1037245A2 (en) 2000-09-20
HUP0001113A3 (en) 2002-12-28
HU0001113D0 (en) 2000-05-28
PL338692A1 (en) 2000-09-25
EP1037245A3 (en) 2001-04-04
DE50009183D1 (en) 2005-02-17
US6309236B1 (en) 2001-10-30

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