EP0756304B1 - Electrical lamp capped without cement - Google Patents

Electrical lamp capped without cement Download PDF

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Publication number
EP0756304B1
EP0756304B1 EP96109989A EP96109989A EP0756304B1 EP 0756304 B1 EP0756304 B1 EP 0756304B1 EP 96109989 A EP96109989 A EP 96109989A EP 96109989 A EP96109989 A EP 96109989A EP 0756304 B1 EP0756304 B1 EP 0756304B1
Authority
EP
European Patent Office
Prior art keywords
cap
cementlessly
insulator
cap insulator
electric lamp
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP96109989A
Other languages
German (de)
French (fr)
Other versions
EP0756304A1 (en
Inventor
Roland Stark
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
Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH
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
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Publication of EP0756304A1 publication Critical patent/EP0756304A1/en
Application granted granted Critical
Publication of EP0756304B1 publication Critical patent/EP0756304B1/en
Anticipated expiration legal-status Critical
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Classifications

    • 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

  • the invention relates to a cementless electric lamp according to the Preamble of claim 1.
  • European patent application EP-A 0 643 255 describes an electrical one Lamp with a strain relief for the connection cable, which by crimped Implementation rivets is formed.
  • the lead rivets are each threaded onto a connecting cable and then crimped, and are in the tapered cable bushings are embedded. This strain relief is comparatively complex to manufacture.
  • the electric lamp with a cementless base has a particular feature simple strain relief for your power supplies without additional Components.
  • the base stone consists according to the invention two base stone components slidably arranged against each other, whose relative position to each other the size or diameter of the bushings intended for the power supply.
  • the power supplies are clamped in the bushings.
  • the clamp seat is by the two aforementioned side walls of the base sleeve produced by the first Side wall against the first base stone component and the second side wall presses against the second base stone component.
  • the pressure of the two side walls mentioned above is advantageous to the base stone components and thus also the clamp fit of the power supply lines with the help of at least one inside the base sleeve pointing knob, which is attached to each of these two side walls, generated. Narrow clamping lugs that narrow the feedthroughs that connect to the Both base stone components are molded on, improve the press fit of the Power supply.
  • the base stone components are advantageously two identically shaped base stone halves. This simplifies lamp manufacturing.
  • the base stone components are advantageously fixed with the help of at least two fastening straps attached to different Shaped side walls of the base sleeve and angled from this are, as well as with the help of several attached to the base sleeve wall Stop knobs that serve as a stop for the base stone components.
  • the embodiment of the invention shown in FIG. 1 is concerned it is a current-controlled, cementless, low-voltage halogen incandescent lamp with an electrical power consumption of approx. 200 W and one Nominal current of approx.6.6 A, which can be used, for Airport is used.
  • This lamp has a lamp bulb 1 and a base which has a metallic base sleeve 2 with one fixed therein Has base stone.
  • the base sleeve 2 is cuboid, with two open End faces executed. In particular, it has two opposite one another narrow side walls 2a, 2b.
  • the base stone is made by two identically shaped, essentially F-shaped base stone halves 3a, 3b, which both consist of an electrically insulating ceramic.
  • the Both F-shaped base stone halves 3a, 3b are in this way in the base sleeve 2 introduced that their webs mesh and they two bushings 4, 5 form for the two power supply lines 6, 7 of the lamp.
  • the two Base stone halves 3a, 3b fill the base sleeve 2 in height. Indeed exists between the narrow side walls 2a, 2b and the base stone halves 3a, 3b a slight game, because the dimensions of the base stone halves 3a, 3b in this direction slightly smaller than the width of the Base sleeve 2, that is, as the distance between the side walls 2a, 2b. Thereby the base stone halves 3a, 3b are slightly against each other in this direction slidable.
  • the power supply lines 6, 7 partially run inside the base sleeve 2 and are each sealed with a gas-tight lamp bulb 1 Electrode (not shown) welded, which in turn is electrically conductive the filament (not shown) of the lamp are connected. You are 6, 7 provided with an electrically insulating sleeve and as a connection cable executed. Two narrow passages 4, 5 narrowing Increase clamping lugs 10, 11, which are molded onto the base halves 3a, 3b the clamping effect.
  • the base stone halves 3a, 3b are pointing into the base of the base with the help of four Stop knobs 12 and with the help of two on the narrow sides 2a, 2b molded and angled from this mounting tabs 13, 14 in the base sleeve 2 fixed.
  • the stop knobs 12 define the depth of penetration of the base stone halves 3a, 3b into the base sleeve 2, while the fastening tabs 13, 14 a falling out of the base stone halves 3a, 3b from the Prevent base sleeve 2.

Landscapes

  • Common Detailed Techniques For Electron Tubes Or Discharge Tubes (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)

Description

Die Erfindung betrifft eine kittlos gesockelte elektrische Lampe gemäß dem Oberbegriff des Patentanspruchs 1.The invention relates to a cementless electric lamp according to the Preamble of claim 1.

In der Patentschrift DE-C-40 37 964 ist eine elektrische Kleinglühlampe mit einer Zugentlastung für die Zuleitungskabel offenbart, die von einem Klemmkeil gebildet wird, der zwischen die beiden Zuleitungskabel in eine Sockelausnehmung eingefügt ist. Diese Zugentlastung hat den Nachteil, daß die Zuleitungskabel durch den Klemmkeil nur einseitig belastet werden, wodurch bei der Montage unerwünschte Kabelbewegungen, insbesondere Verdrehungen, auftreten können.In the patent DE-C-40 37 964 is an electric incandescent lamp with a Strain relief for the lead wire revealed by a wedge is formed between the two supply cables in a base recess is inserted. This strain relief has the disadvantage that the Supply cables can only be loaded on one side by the clamping wedge, whereby undesired cable movements during assembly, especially twisting, may occur.

Die europäische Patentanmeldung EP-A 0 643 255 beschreibt eine elektrische Lampe mit einer Zugentlastung für die Anschlußkabel, die von vercrimpten Durchführungsnieten gebildet wird. Die Durchführungsnieten sind jeweils auf ein Anschlußkabel aufgefädelt und anschließend gecrimpt, und sind in die konisch zulaufenden Kabeldurchführungen eingebettet. Diese Zugentlastung ist vergleichsweise aufwendig bei der Herstellung.European patent application EP-A 0 643 255 describes an electrical one Lamp with a strain relief for the connection cable, which by crimped Implementation rivets is formed. The lead rivets are each threaded onto a connecting cable and then crimped, and are in the tapered cable bushings are embedded. This strain relief is comparatively complex to manufacture.

Es ist die Aufgabe der Erfindung, eine kittlos gesockelte elektrische Lampe bereitzustellen, die eine möglichst einfache Zugentlastung für ihre Stromzuführungen besitzt.It is the object of the invention to provide an electric lamp with no cement To provide the easiest possible strain relief for their power supplies owns.

Diese Aufgabe wird erfindungsgemäß durch die kennzeichnenden Merkmale des Patentanspruchs 1 gelöst. Besonders vorteilhafte Ausführungen der Erfindung sind in den Unteransprüchen beschrieben.This object is achieved by the characterizing features of claim 1 solved. Particularly advantageous versions of the Invention are described in the subclaims.

Die erfindungsgemäße kittlos gesockelte elektrische Lampe besitzt eine besonders einfache Zugentlastung für ihre Stromzuführungen, die ohne zusätzliche Bauteile auskommt. Erfindungsgemäß wird die Zugentlastung vom Sockelstein und von zwei einander gegenüberliegenden Seitenwänden der Sockelhülse gebildet. Dabei besteht der Sockelstein erfindungsgemäß aus zwei gegeneinander verschiebbar angeordneten Sockelsteinbauteilen, deren relative Lage zueinander die Größe bzw. den Durchmesser der Durchführungen für die Stromzuführungen bestimmt. Die Stromzuführungen sind klemmend in den Durchführungen fixiert. Der Klemmsitz wird von den beiden vorgenannten Seitenwänden der Sockelhülse erzeugt, indem die erste Seitenwand gegen das erste Sockelsteinbauteil und die zweite Seitenwand gegen das zweite Sockelsteinbauteil drückt.The electric lamp with a cementless base according to the invention has a particular feature simple strain relief for your power supplies without additional Components. According to the strain relief from Base stone and two opposite side walls of the Base sleeve formed. The base stone consists according to the invention two base stone components slidably arranged against each other, whose relative position to each other the size or diameter of the bushings intended for the power supply. The power supplies are clamped in the bushings. The clamp seat is by the two aforementioned side walls of the base sleeve produced by the first Side wall against the first base stone component and the second side wall presses against the second base stone component.

Vorteilhafterweise wird der Andruck der beiden obengenannten Seitenwände an die Sockelsteinbauteile und damit auch der Klemmsitz der Stromzuführungen mit Hilfe von mindestens einer in das Innere der Sockelhülse weisenden Noppe, die an jeder dieser beiden Seitenwände angebracht ist, erzeugt. Schmale, die Durchführungen verengende Klemmnasen, die an die beiden Sockelsteinbauteile angeformt sind, verbessern den Klemmsitz der Stromzuführungen. Die Sockelsteinbauteile sind vorteilhafterweise als zwei identisch geformte Sockelsteinhälften ausgebildet. Dadurch vereinfacht sich die Lampenfertigung. Fixiert werden die Sockelsteinbauteile vorteilhafterweise mit Hilfe von mindestens zwei Befestigungslaschen, die an verschiedenen Seitenwänden der Sockelhülse angeformt und von diesen abgewinkelt sind, sowie mit Hilfe von mehreren an der Sockelhülsenwandung angebrachten Anschlagsnoppen, die den Sockelsteinbauteilen als Anschlag dienen.The pressure of the two side walls mentioned above is advantageous to the base stone components and thus also the clamp fit of the power supply lines with the help of at least one inside the base sleeve pointing knob, which is attached to each of these two side walls, generated. Narrow clamping lugs that narrow the feedthroughs that connect to the Both base stone components are molded on, improve the press fit of the Power supply. The base stone components are advantageously two identically shaped base stone halves. This simplifies lamp manufacturing. The base stone components are advantageously fixed with the help of at least two fastening straps attached to different Shaped side walls of the base sleeve and angled from this are, as well as with the help of several attached to the base sleeve wall Stop knobs that serve as a stop for the base stone components.

Nachstehend wird die Erfindung anhand eines bevorzugten Ausführungsbeispiels näher erläutert. Es zeigen:

Figur 1
eine perspektivische Darstellung des Sockelaufbaus der erfindungsgemäßen Lampe mit Sockelhülse, zweiteiligem Sockelstein und Stromzuführungen sowie dem im Sockel fixierten Teil des Lampenkolbens
Figur 2
eine Unteransicht des Lampensockels vor der Noppung der schmalen Sockelhülsenseitenwände, mit verschiebbar angeordneten Stromzuführungen
Figur 3
eine teilweise geschnittene Unteransicht des Lampensockels gemäß Figur 1 und 2 nach der Noppung der Seitenwände, mit eingeklemmten Stromzuführungen und mit zur Fixierung der Sockelsteinhälften abgewinkelten Befestigungslaschen
The invention is explained in more detail below on the basis of a preferred exemplary embodiment. Show it:
Figure 1
a perspective view of the base structure of the lamp according to the invention with base sleeve, two-part base stone and power supply lines and the part of the lamp bulb fixed in the base
Figure 2
a bottom view of the lamp base before the knobs of the narrow base sleeve side walls, with displaceably arranged power supplies
Figure 3
a partially sectioned bottom view of the lamp base according to Figures 1 and 2 after the knobs of the side walls, with clamped power leads and with angled fastening tabs for fixing the base stone halves

Bei dem in Figur 1 abgebildeten Ausführungsbeispiel der Erfindung handelt es sich um eine stromgesteuerte, kittlos gesockelte Niedervolt-Halogenglühlampe mit einer elektrischen Leistungsaufnahme von ca. 200 W und einem Nennstrom von ca. 6,6 A, die beispielsweise zur Landeplatzbefeuerung eines Flughafens verwendet wird. Diese Lampe besitzt einen Lampenkolben 1 und einen Sockel, der eine metallische Sockelhülse 2 mit einem darin fixierten Sockelstein aufweist. Die Sockelhülse 2 ist quaderförmig, mit zwei offenen Stirnseiten ausgeführt. Insbesondere besitzt sie zwei einander gegenüberliegende schmale Seitenwände 2a, 2b. Der Sockelstein wird von zwei identisch geformten, im wesentlichen F-förmigen Sockelsteinhälften 3a, 3b, die beide aus einer elektrisch isolierenden Keramik bestehen, gebildet. Die beiden F-förmigen Sockelsteinhälften 3a, 3b sind derart in die Sockelhülse 2 eingeführt, daß ihre Stege ineinandergreifen und sie zwei Durchführungen 4, 5 für die beiden Stromzuführungen 6, 7 der Lampe bilden. Die beiden Sockelsteinhälften 3a, 3b füllen die Sockelhülse 2 in der Höhe aus. Allerdings besteht zwischen den schmalen Seitenwänden 2a, 2b und den Sockelsteinhälften 3a, 3b ein geringfügiges Spiel, da die Abmessungen der Sockelsteinhälften 3a, 3b in dieser Richtung gerinfügig kleiner als die Breite der Sockelhülse 2, das heißt als der Abstand der Seitenwände 2a, 2b, ist. Dadurch sind die Sockelsteinhälften 3a, 3b in dieser Richtung geringfügig gegeneinander verschiebbar. Eine derartige Verschiebung der Sockelsteinhälften 3a, 3b gegeneinander verändert die Größe bzw. den Durchmesser der Durchführungen 4, 5. Mit Hilfe von zwei in das Innere der Sockelhülse 2 weisende Noppen 9, die an jeweils einer der schmalen Seitenwände 2a, 2b angebracht sind, werden die beiden Sockelsteinhälften 3a, 3b gegensinnig verschoben und die Durchführungen 4, 5 verengt, so daß die Stromzuführungen 6, 7 in den Durchführungen 4, 5 klemmend fixiert sind. Die Noppen 9 heben das geringfügige Spiel der Sockelsteinhälften 3a, 3b zwischen den Seitenwänden 2a, 2b auf. Nunmehr drücken die Seitenwände 2a, 2b mit ihren Noppen 9 gegen die Sockelsteinhälften 3a, 3b und erzeugen dadurch den Klemmsitz der Stromzuführungen 6, 7 in den Durchführungen 4, 5. The embodiment of the invention shown in FIG. 1 is concerned it is a current-controlled, cementless, low-voltage halogen incandescent lamp with an electrical power consumption of approx. 200 W and one Nominal current of approx.6.6 A, which can be used, for Airport is used. This lamp has a lamp bulb 1 and a base which has a metallic base sleeve 2 with one fixed therein Has base stone. The base sleeve 2 is cuboid, with two open End faces executed. In particular, it has two opposite one another narrow side walls 2a, 2b. The base stone is made by two identically shaped, essentially F-shaped base stone halves 3a, 3b, which both consist of an electrically insulating ceramic. The Both F-shaped base stone halves 3a, 3b are in this way in the base sleeve 2 introduced that their webs mesh and they two bushings 4, 5 form for the two power supply lines 6, 7 of the lamp. The two Base stone halves 3a, 3b fill the base sleeve 2 in height. Indeed exists between the narrow side walls 2a, 2b and the base stone halves 3a, 3b a slight game, because the dimensions of the base stone halves 3a, 3b in this direction slightly smaller than the width of the Base sleeve 2, that is, as the distance between the side walls 2a, 2b. Thereby the base stone halves 3a, 3b are slightly against each other in this direction slidable. Such a shift in the base stone halves 3a, 3b against each other changes the size or the diameter of the Bushings 4, 5. With the help of two in the interior of the base sleeve 2 pointing knobs 9, each on one of the narrow side walls 2a, 2b are attached, the two base stone halves 3a, 3b in opposite directions moved and the bushings 4, 5 narrowed, so that the power supplies 6, 7 are fixed in the bushings 4, 5 by clamping. The pimples 9 raise the slight play of the base stone halves 3a, 3b between the Sidewalls 2a, 2b. Now press the side walls 2a, 2b with their Knobs 9 against the base stone halves 3a, 3b and thereby generate the The power leads 6, 7 are clamped in the bushings 4, 5.

Die Stromzuführungen 6, 7 verlaufen teilweise innerhalb der Sockelhülse 2 und sind jeweils mit einer gasdicht im Lampenkolben 1 eingeschmolzenen Elektrode (nicht abgebildet) verschweißt, die ihrerseits elektrisch leitend mit der Glühwendel (nicht abgebildet) der Lampe verbunden sind. Sie 6, 7 sind mit einer elektrisch isolierenden Schlauchhülle versehen und als Anschlußkabel ausgeführt. Zwei schmale, die Durchführungen 4, 5 verengende Klemmnasen 10, 11, die an die Sockelhälften 3a, 3b angeformt sind, erhöhen die Kemmwirkung.The power supply lines 6, 7 partially run inside the base sleeve 2 and are each sealed with a gas-tight lamp bulb 1 Electrode (not shown) welded, which in turn is electrically conductive the filament (not shown) of the lamp are connected. You are 6, 7 provided with an electrically insulating sleeve and as a connection cable executed. Two narrow passages 4, 5 narrowing Increase clamping lugs 10, 11, which are molded onto the base halves 3a, 3b the clamping effect.

Die Sockelsteinhälften 3a, 3b sind mit Hilfe von vier in das Sockelinnere weisende Anschlagsnoppen 12 und mit Hilfe von zwei an die Schmalseiten 2a, 2b angeformte und von diesen abgewinkelte Befestigungslaschen 13, 14 in der Sockelhülse 2 fixiert. Die Anschlagsnoppen 12 legen die Eindringtiefe der Sockelsteinhälften 3a, 3b in die Sockelhülse 2 fest, während die Befestigungslaschen 13, 14 ein Herausfallen der Sockelsteinhälften 3a, 3b aus der Sockelhülse 2 verhindern.The base stone halves 3a, 3b are pointing into the base of the base with the help of four Stop knobs 12 and with the help of two on the narrow sides 2a, 2b molded and angled from this mounting tabs 13, 14 in the base sleeve 2 fixed. The stop knobs 12 define the depth of penetration of the base stone halves 3a, 3b into the base sleeve 2, while the fastening tabs 13, 14 a falling out of the base stone halves 3a, 3b from the Prevent base sleeve 2.

Claims (7)

  1. Cementlessly capped electric lamp whose cap has a cap shell (2) with a cap insulator mounted therein, the cap insulator being provided with lead-throughs (4, 5) for supply leads (6, 7), and a strain relief mechanism for the supply leads (6, 7) being integrated in the cap, characterized in that the cap shell is cuboid and the strain relief mechanism is formed by the cap insulator and by two mutually opposite side walls (2a, 2b) of the cuboid cap shell (2), it being the case that
    the cap insulator comprises at least two cap insulator components (3a , 3b) which are arranged in a mutually displaceable fashion and whose position relative to one another determines the size or the diameter of the lead-throughs (4, 5),
    the supply leads (6, 7) are fixed clamped in the lead-throughs (4, 5), and
    the clamped seat is produced by the first side wall (2a), which presses against the first cap insulator component (3a), and by the second side wall (2b), which presses against the second cap insulator component (3b).
  2. Cementlessly capped electric lamp according to Claim 1, characterized in that the mutually opposite side walls (2a, 2b) are provided in each case with at least one knob (9) pointing into the interior of the cap shell (2), the at least one knob of the first side wall (2a) bearing in a clamping fashion against the first cap insulator component (3a), and the at least one knob (9) of the second side wall (2b) bearing in a clamping fashion against the second cap insulator component (3b).
  3. Cementlessly capped electric lamp according to Claim 1, characterized in that the cap insulator components (3a, 3b) have integrally formed clamping noses (10, 11) constricting the lead-throughs (4, 5).
  4. Cementlessly capped electric lamp according to Claim 1, characterized in that the two cap insulator components (3a, 3b) are identically shaped cap insulator halves.
  5. Cementlessly capped electric lamp according to Claim 1, characterized in that the cap insulator components (3a, 3b) are fixed in the cap shell (2) with the aid of at least two fastening lugs (13, 14) which are integrally formed on different side walls (2a, 2b) of the cap shell (2) and are angled away from them, and with the aid of a plurality of stopping knobs (12) which are mounted on the cap shell wall and serve as a stop for the cap insulator components (3a, 3b).
  6. Cementlessly capped electric lamp according to Claim 1, characterized in that the cap shell (2) consists of a metal.
  7. Cementlessly capped electric lamp according to Claim 1, characterized in that the cap insulator components (3a, 3b) consist of an electrically insulating ceramic.
EP96109989A 1995-07-04 1996-06-20 Electrical lamp capped without cement Expired - Lifetime EP0756304B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19524385A DE19524385A1 (en) 1995-07-04 1995-07-04 Electric lamp with no cement
DE19524385 1995-07-04

Publications (2)

Publication Number Publication Date
EP0756304A1 EP0756304A1 (en) 1997-01-29
EP0756304B1 true EP0756304B1 (en) 1999-10-13

Family

ID=7766010

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96109989A Expired - Lifetime EP0756304B1 (en) 1995-07-04 1996-06-20 Electrical lamp capped without cement

Country Status (4)

Country Link
US (1) US5686783A (en)
EP (1) EP0756304B1 (en)
JP (1) JPH0927303A (en)
DE (2) DE19524385A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2147517C (en) * 1994-04-25 2006-03-21 Walter Newman Lampholder with mogul base

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3256508A (en) * 1964-05-01 1966-06-14 Gen Electric Base end structure for electric lamps or similar devices
JPS4911820B1 (en) * 1968-11-06 1974-03-19
US3961216A (en) * 1975-01-02 1976-06-01 General Electric Company Sheet metal base for pinch sealed electric lamp
DE4037964A1 (en) * 1990-11-29 1992-06-04 Albrecht Paul Miniature electric light bulb socket - has clamping element providing tension restraint for filament leads received in socket bores
DE9313823U1 (en) * 1993-09-13 1993-11-11 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Electric lamp

Also Published As

Publication number Publication date
DE59603334D1 (en) 1999-11-18
US5686783A (en) 1997-11-11
JPH0927303A (en) 1997-01-28
DE19524385A1 (en) 1997-01-16
EP0756304A1 (en) 1997-01-29

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