EP0626715A2 - Glow lamp for insertion - Google Patents

Glow lamp for insertion Download PDF

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Publication number
EP0626715A2
EP0626715A2 EP94107826A EP94107826A EP0626715A2 EP 0626715 A2 EP0626715 A2 EP 0626715A2 EP 94107826 A EP94107826 A EP 94107826A EP 94107826 A EP94107826 A EP 94107826A EP 0626715 A2 EP0626715 A2 EP 0626715A2
Authority
EP
European Patent Office
Prior art keywords
light source
hollow body
source according
series resistor
base
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
EP94107826A
Other languages
German (de)
French (fr)
Other versions
EP0626715B1 (en
EP0626715A3 (en
Inventor
Klaus Maekler
Werner Lisson
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ABB Patent GmbH
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ABB Patent 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
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Publication of EP0626715A2 publication Critical patent/EP0626715A2/en
Publication of EP0626715A3 publication Critical patent/EP0626715A3/en
Application granted granted Critical
Publication of EP0626715B1 publication Critical patent/EP0626715B1/en
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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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/56—One or more circuit elements structurally associated with the lamp
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/64—Cathode glow lamps
    • 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
    • H01R33/09—Two-pole devices with two current-carrying pins, blades or analogous contacts, having their axes parallel to each other for baseless lamp bulb

Definitions

  • the invention relates to a light source, in particular a glow lamp for plugging into a socket, in particular for use in electrical installation devices, such as electrical switches, buttons, dimmers and the like, with a hollow body, preferably made of glass, with electrodes arranged therein, the connecting wires of which Underside of the hollow glass body are isolated from each other and serve as connection contacts for mating contacts located in the socket and with a series resistor, which is interposed between the glow lamp and an electrical supply network.
  • a light source in particular a glow lamp for plugging into a socket, in particular for use in electrical installation devices, such as electrical switches, buttons, dimmers and the like
  • a hollow body preferably made of glass, with electrodes arranged therein, the connecting wires of which Underside of the hollow glass body are isolated from each other and serve as connection contacts for mating contacts located in the socket and with a series resistor, which is interposed between the glow lamp and an electrical supply network.
  • the light sources are usually used in a socketed form.
  • the light sources provided with a hollow body which surrounds the light source can have a base molded thereon which is inserted into the respective device, or an additional plug-in base is required in which the light sources are used.
  • the connecting wires led out of the hollow body are bent at their ends and serve as connecting contacts which ensure the current connection when inserted into the socket with the mating contacts located there.
  • the cabbage body formed from glass is provided on its underside with a protective cap which receives its underside and the series resistor connected to it. Furthermore, the other connecting wire led out of the hollow glass body and the free end of the series resistor, both of which serve as connecting contacts, are also isolated from one another through the protective cap, where they are bent back in the same way, thereby forming the desired contact surface on the one hand and on the other hand, prevent the protective cap from sliding off the hollow body.
  • the series resistor is cylindrical, with connecting wires each connecting to the end faces.
  • Such a series resistor is known as a commercially available carbon film or metal film resistor.
  • the protective cap is made of insulating material, advantageously of injection-molded thermoplastic and is adapted with its end facing away from the hollow body to the geometry of the plug-in base and is designed to be insertable therein.
  • each light source is used only with the required series resistor, so that malfunctions or interruptions in operation are practically excluded. Furthermore, due to the configuration according to the invention, a space-saving design is achieved, so that the inventive Light source can also be used in devices with limited space.
  • the invention offers the advantage that a cost-effective replacement in the event of defects in lamps or in the event of a change in the illuminance of the respective lamp is possible, since only the lamp body but not the base is to be replaced.
  • FIG. 1 shows an electrical light source 10, which here is designed in particular as a glow lamp, which consists of the actual light or lamp part 12 and an associated base 14.
  • the base 14 is inserted into an electrical device 16 shown only schematically in longitudinal section here.
  • the electrical connection of the base 14 to the electrical device 16 is established with the aid of contact tabs 18 which protrude from the base and which cooperate with electrical conductors which are not shown here in the electrical device 16. Further details of the base 14 are shown in FIGS. 4 to 6.
  • the light source 12 shown in FIG. 1 is shown in side view in FIG. It consists of a hollow body 20 made of glass, on the underside 22 of which a protective cap 24 made of injection-molded thermoplastic is attached. Furthermore, on the underside 22 of the light source 20, lead wires 25, 26 are led out insulated from one another. While the first connecting wire 25 is passed through the protective cap 24 and is likewise led outward again at the lower end of the protective cap 24 and forms a connecting contact 27 there, the second connecting wire 26 with an electrical resistor 30 is led out from the underside 22 of the light source 20 connected, the free end 29 led out of the protective cap 24 to form a terminal contact 28 on the diametrically opposite side of the terminal contact 27.
  • the light source 10 which is inserted into an electrical device 16 according to FIG. 1, is shown in longitudinal section in a single representation, with the use of lights or lamps and the attached protective cap 24 only the contours are shown.
  • the plug-in base 14 consists of a tube-like upper part 34 which connects centrally to a lower part 36 which is approximately square in cross section.
  • the upper part 34 is provided at a certain height, which is adapted to the installation conditions of the relevant electrical device 16, in which the light source is to be installed, with latching lugs 35, which ensure that the recess provided in the electrical device 16 is provided for this purpose imported base 14 can not return.
  • the contacts on the base 14, i. H. the contact tabs 18 protruding from the lower part 36 of the base 14 are arranged in a resilient manner, as can be seen in particular from FIG. 6.
  • the contact lugs 18 are connected via flat conductors to counter contacts 19 in the interior of the upper part 34 of the base 14. These counter contacts 19 are used to make contact with the connection contacts 27, 28 of the lighting or lamp unit 12 designed as a plug insert.
  • each mating contact 19 has a preferred contact point, so as to connect with the contacts 27, 28 of the light or lamp unit 12.
  • the cause of the resilient yielding is shown in FIG. 6 shown below.
  • the preferably spring-hard contact material, for. B. spring bronze, formed contact lugs 18 are in the rest position shown in Figures 4 and 5 on the upper inner surface of the lower part 36, where it acts on a molded on the lower inner surface of the lower part 36 cam 37. If the plug insert 14, as shown in FIG. 1 and FIG. 6, is inserted into an electrical device 16, the contact lugs 18 come into operative connection with the connection contacts of the electrical device 16 provided for this purpose, which are not shown here, and are repositioned on the end face due to the geometric conditions applied below so that they bend downward, as shown in Figure 6. With the help of this spring action, a high degree of contact reliability is achieved, so that only a low contact resistance results.
  • the socket 14 is also made as an injection molded part made of thermoplastic and consists of the above-mentioned upper part 34 and the lower part 36.
  • the lower part 36 is also made in two parts and consists of a cover part 38 to which the upper part 34 connects, a trough-like receiving part 39, which the cover part 38 together with the electrical conductors 18, 19 arranged therein.
  • the cover part 38 is captively connected to the receiving part 39 by means of a film hinge, not shown here. In this way the risk of one of the two parts being lost is reduced.

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  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Eye Examination Apparatus (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Resistance Heating (AREA)

Abstract

The invention relates to a light source, in particular a glow lamp (12) for insertion in a pin base (plug cap) (14), in particular for use in electrical devices (16) such as electrical switches, push-button switches, dimmers and the like, having a hollow body (20) with electrodes which are arranged therein and whose connecting wires (25, 26) are passed out at the bottom (22) of the hollow body (20) in a fashion insulated with respect to one another and serve as connecting contacts (27, 28) for matching contacts (19) located in the pin base (14), and having a series resistor (30) which is inserted between the light source (12) and an electrical supply network, the series resistor (30) being directly connected to one of the connecting wires (26), which are passed out of the hollow body (20), and forming the connection to the associated matching contact (19) in the pin base (14). <IMAGE>

Description

Die Erfindung betrifft eine Lichtquelle, insbesondere eine Glimmlampe zum Einstecken in einen Stecksockel, insbesondere für den Einsatz in elektrischen Installationsgeräten, wie elektrische Schalter, Taster, Dimmer und dergleichen, mit einem Hohlkörper, vorzugsweise aus Glas, mit darin angeordneten Elektroden, deren Anschlußdrähte auf der Unterseite des Glashohlkörpers gegeneinander isoliert herausgeführt sind und als Anschlußkontakte dienen für im Stecksockel befindliche Gegenkontakte sowie mit einem Vorwiderstand, der zwischen der Glimmlampe und einem elektrischen Versorgungsnetz zwischengeschaltet ist.The invention relates to a light source, in particular a glow lamp for plugging into a socket, in particular for use in electrical installation devices, such as electrical switches, buttons, dimmers and the like, with a hollow body, preferably made of glass, with electrodes arranged therein, the connecting wires of which Underside of the hollow glass body are isolated from each other and serve as connection contacts for mating contacts located in the socket and with a series resistor, which is interposed between the glow lamp and an electrical supply network.

Zur Beleuchtung der Betriebsanzeige elektrischer Geräte, wie Heißwassergeräte, Waschmaschinen, Heizlüfter, Elektrogeräte als auch Lichtschalter und Drucktaster werden als Lichtquellen überwiegend Glimmlampen aber auch Leuchtdioden und Glühlampen eingesetzt. Üblicherweise werden diese Lichtquellen in gesockelter Form verwendet. Dabei können die mit einem Hohlkörper, der die Leuchtquelle umschließt, versehenen Lichtquellen einen daran angeformten Sockel aufweisen, der in das jeweilige Gerät eingesetzt wird, oder es ist ein zusätzlicher Stecksockel erforderlich, in welchen die Lichtquellen eingesetzt werden. Im letzteren Fall werden die aus dem Hohlkörper herausgeführten Anschlußdrähte an ihren Enden umgebogen und dienen als Anschlußkontakte, die beim Einsetzen in den Stecksockel mit den dort befindlichen Gegenkontakten die Stromverbindung sicherstellen.To illuminate the operating display of electrical devices such as hot water devices, washing machines, fan heaters, electrical devices as well as light switches and pushbuttons, primarily glow lamps but also light emitting diodes and light bulbs are used as light sources. These light sources are usually used in a socketed form. In this case, the light sources provided with a hollow body which surrounds the light source can have a base molded thereon which is inserted into the respective device, or an additional plug-in base is required in which the light sources are used. In the latter case the connecting wires led out of the hollow body are bent at their ends and serve as connecting contacts which ensure the current connection when inserted into the socket with the mating contacts located there.

Generell ist zu beachten, daß der Einsatz derartiger Lichtquellen am normalen Versorgungsnetz nur mit einem Vorwiderstand erfolgt, um den Strom zu begrenzen und unzulässige Stromüberschreitungen auszuschließen. Dabei ist jeder Vorwiderstand auf die jeweilige Leistungstype der Lichtquelle abgestimmt. Dies führt dazu, daß beim Auswechseln einer Lichtquelle gegen eine Lichtquelle mit anderen elektrischen Parametern auch der betreffende Vorwiderstand geändert werden muß. Anderenfalls könnte es zu Funktionsstörungen kommen.In general, it should be noted that such light sources are only used with a series resistor on the normal supply network in order to limit the current and to prevent impermissible current overruns. Each series resistor is matched to the respective power type of the light source. This means that when a light source is replaced by a light source with different electrical parameters, the series resistor in question must also be changed. Otherwise malfunctions could occur.

Insbesondere für Glimmlampen gilt, daß ungesockelte Glimmlampen im allgemeinen mit angepaßten Vorwiderständen angeboten werden. Allerdings ist hierbei die Montage sowie das Auswechseln der Glimmlampe im Falle einer Störung sehr aufwendig.For glow lamps in particular, it is the case that unshielded glow lamps are generally offered with adapted series resistors. However, the assembly and replacement of the glow lamp in the event of a fault is very complex.

Ausgehend von diesem Stand der Technik ist es Aufgabe der Erfindung eine Lichtquelle der eingangs genannten Art zu schaffen, welche die vorstehend aufgezeigten Nachteile vermeidet, eine einfache Handhabung gewährleistet und einfach und kostengünstig herstellbar ist. Darüberhinaus soll auf geringe Baugröße geachtet werden, damit die Lichtquelle auch in solchen Geräten Anwendung finden kann, wo es auf platzsparenden Einbau ankommt.Starting from this prior art, it is an object of the invention to provide a light source of the type mentioned at the outset which avoids the disadvantages outlined above, ensures simple handling and is simple and inexpensive to produce. In addition, attention should be paid to a small size so that the light source can also be used in devices where space-saving installation is important.

Diese Aufgabe wird erfindungsgemäß durch die kennzeichnenden Merkmale des Patentanspruchs 1 gelöst. Danach ist vorgesehen, daß der zum Betrieb erforderliche Vorwiderstand in die die Lichtquelle bildende Baueinheit integriert ist, indem der Vorwiderstand unmittelbar an einen der aus dem Hohlkörper herausgeführten Anschlußdrähte angeschlossen ist und die Verbindung mit dem zugeordneten Gegenkontakt im Stecksockel bildet. Auf diese Weise ist sichergestellt, daß jede Lichtquelle mit dem richtigen Vorwiderstand versehen ist und überdies sofort einsatzbereit ist.This object is achieved by the characterizing features of claim 1. Thereafter, it is provided that the series resistor required for operation is integrated in the structural unit forming the light source, in that the series resistor is connected directly to one of the connecting wires led out of the hollow body and forms the connection with the associated mating contact in the socket. In this way it is ensured that each light source is provided with the correct series resistor and is also immediately ready for use.

Entsprechend einer bevorzugten Ausführungsform der Erfindung ist der aus Glas gebildete Kohlkörper auf seiner Unterseite mit einer Schutzkappe versehen, welche seine Unterseite sowie den hieran anschließenden Vorwiderstand aufnimmt. Ferner sind hierbei der aus dem Glashohlkörper herausgeführte andere Anschlußdraht sowie das freie Ende des Vorwiderstands, welche beide als Anschlußkontakte dienen, ebenfalls gegeneinander isoliert durch die Schutzkappe nach außen geführt, wo sie in gleicher Weise rückgebogen sind und hierdurch einerseits die gewünschte Kontaktfläche als Anschlußkontakt bilden und andererseits die Schutzkappe daran hindern, von dem Hohlkörper abzugleiten.According to a preferred embodiment of the invention, the cabbage body formed from glass is provided on its underside with a protective cap which receives its underside and the series resistor connected to it. Furthermore, the other connecting wire led out of the hollow glass body and the free end of the series resistor, both of which serve as connecting contacts, are also isolated from one another through the protective cap, where they are bent back in the same way, thereby forming the desired contact surface on the one hand and on the other hand, prevent the protective cap from sliding off the hollow body.

In vorteilhafter Ausgestaltung der Erfindung ist der Vorwiderstand zylindrisch ausgebildet mit jeweils an den Stirnseiten anschließenden Anschlußdrähten. Ein solcher Vorwiderstand ist als handelsüblicher Kohleschicht- bzw. Metallschicht-Widerstand bekannt.In an advantageous embodiment of the invention, the series resistor is cylindrical, with connecting wires each connecting to the end faces. Such a series resistor is known as a commercially available carbon film or metal film resistor.

Eine bevorzugte Weiterbildung der Erfindung sieht vor, daß die Schutzkappe aus Isoliermaterial, vorteilhafterweise aus spritzgußfähigem Thermoplast hergestellt ist und mit ihren, dem Hohlkörper abgewandten Ende an die Geometrie des Stecksockels angepaßt ist und in diesen einsetzbar gestaltet ist.A preferred development of the invention provides that the protective cap is made of insulating material, advantageously of injection-molded thermoplastic and is adapted with its end facing away from the hollow body to the geometry of the plug-in base and is designed to be insertable therein.

Entsprechend der erfindungsgemäßen Lehre ist sichergestellt, daß jede Lichtquelle nur mit dem erforderlichen Vorwiderstand zum Einsatz kommt, so daß Störungen oder Betriebsunterbrechungen praktisch ausgeschlossen sind. Ferner ist aufgrund der erfindungsgemäßen Ausgestaltung eine platzsparende Bauweise erreicht, so daß die erfindungsgemäße Lichtquelle auch in Geräte mit geringem Platzangebot eingesetzt werden kann.According to the teaching of the invention, it is ensured that each light source is used only with the required series resistor, so that malfunctions or interruptions in operation are practically excluded. Furthermore, due to the configuration according to the invention, a space-saving design is achieved, so that the inventive Light source can also be used in devices with limited space.

Die Erfindung bietet den Vorteil, daß ein kostengünstiger Austausch bei Defekten von Lampen oder bei Änderung der Beleuchtungsstärke der jeweiligen Lampe möglich ist, da nur der Lampenkörper nicht aber der Sockel auszutauschen ist.The invention offers the advantage that a cost-effective replacement in the event of defects in lamps or in the event of a change in the illuminance of the respective lamp is possible, since only the lamp body but not the base is to be replaced.

Die vorstehenden, insbesondere auf Glimmlampen bezogenen Ausführungen können uneingeschränkt auch auf andere Lichtquellen wie Glühlampen und Leuchtdioden (LED) übertragen werden, welche in entsprechender Weise zum Einsatz kommen können.The above statements, in particular those relating to glow lamps, can also be transferred without restriction to other light sources such as incandescent lamps and light-emitting diodes (LEDs), which can be used in a corresponding manner.

Diese und weitere vorteilhafte Ausgestaltungen der Erfindungen sind Gegenstand der Unteransprüche.These and other advantageous embodiments of the inventions are the subject of the dependent claims.

Anhand eines in den Figuren dargestellten Ausführungsbeispiels, sollen die Erfindung, vorteilhafte Ausgestaltungen und besondere Vorteile und Verbesserungen der Erfindung näher erläutert und beschrieben werden.On the basis of an exemplary embodiment shown in the figures, the invention, advantageous refinements and particular advantages and improvements of the invention are to be explained and described in more detail.

Es zeigen:

Figur 1
eine ausschnittweise Wiedergabe einer erfindungsgemäßen Lichtquelle mit Steckeinsatz in einem elektrischen Gerät
Figur 2
die Lichtquelle gemäß Figur 1, die hier als Glimmlampe dargestellt ist in Seitenansicht
Figur 3
die Lichtquelle gemäß Figur 2 um 90° gedreht in Seitenansicht
Figur 4
die Glimmlampe gemäß Figur 1 eingesteckt in einen Stecksockel im Längsschnitt
Figur 5
den Stecksockel gemäß Figur 4 im Längsschnitt
Figur 6
den in ein elektrisches Gerät eingesetzten unteren Teil des Stecksockels
Show it:
Figure 1
a partial rendering of a light source according to the invention with a plug insert in an electrical device
Figure 2
the light source according to Figure 1, which is shown here as a glow lamp in side view
Figure 3
the light source according to Figure 2 rotated by 90 ° in side view
Figure 4
the glow lamp according to Figure 1 inserted into a socket in longitudinal section
Figure 5
the plug-in base according to Figure 4 in longitudinal section
Figure 6
the lower part of the socket inserted into an electrical device

In Figur 1 ist eine elektrische Lichtquelle 10, die hier insbesondere als Glimmlampe ausgebildet ist, dargestellt, welche aus dem eigentlichen Leucht- oder Lampenteil 12 und einem zugehörigen Sockel 14 besteht. Der Sockel 14 ist in ein hier nur schematisch im Längsschnitt gezeigtes elektrisches Gerät 16 eingesetzt. Mit Hilfe von aus dem Sockel herausragenden Kontaktfahnen 18, welche mit hier nicht näher dargestellten im elektrischen Gerät 16 befindlichen elektrischen Leitern zusammenarbeiten, wird die elektrische Verbindung des Sockels 14 mit dem elektrischen Gerät 16 hergestellt. Nähere Einzelheiten zum Sockel 14 sind in den Figuren 4 bis 6 dargestellt.FIG. 1 shows an electrical light source 10, which here is designed in particular as a glow lamp, which consists of the actual light or lamp part 12 and an associated base 14. The base 14 is inserted into an electrical device 16 shown only schematically in longitudinal section here. The electrical connection of the base 14 to the electrical device 16 is established with the aid of contact tabs 18 which protrude from the base and which cooperate with electrical conductors which are not shown here in the electrical device 16. Further details of the base 14 are shown in FIGS. 4 to 6.

Die in Figur 1 gezeigte Lichtquelle 12 ist in Figur 2 in Seitenansicht dargestellt. Sie besteht aus einem Hohlkörper 20 aus Glas, an dessen Unterseite 22 eine Schutzkappe 24 aus spritzgußfähigem Thermoplast angesetzt ist. Ferner sind an der Unterseite 22 der Lichtquelle 20 Anschlußdrähte 25, 26 gegeneinander isoliert herausgeführt. Während der erste Anschlußdraht 25 durch die Schutzkappe 24 hindurchgeführt ist und an dem unteren Ende der Schutzkappe 24 ebenfalls wieder nach außen geführt ist und dort einen Anschlußkontakt 27 bildet, ist der zweite aus der Unterseite 22 der Lichtquelle 20 herausgeführten Anschlußdraht 26 mit einem elektrischen Widerstand 30 verbunden, dessen freies Ende 29 aus der Schutzkappe 24 herausgeführt um auf der dem Anschlußkontakt 27 diametral gegenüberliegenden Seite einen Anschlußkontakt 28 zu bilden.The light source 12 shown in FIG. 1 is shown in side view in FIG. It consists of a hollow body 20 made of glass, on the underside 22 of which a protective cap 24 made of injection-molded thermoplastic is attached. Furthermore, on the underside 22 of the light source 20, lead wires 25, 26 are led out insulated from one another. While the first connecting wire 25 is passed through the protective cap 24 and is likewise led outward again at the lower end of the protective cap 24 and forms a connecting contact 27 there, the second connecting wire 26 with an electrical resistor 30 is led out from the underside 22 of the light source 20 connected, the free end 29 led out of the protective cap 24 to form a terminal contact 28 on the diametrically opposite side of the terminal contact 27.

In Figur 3 ist die Lichtquelle 12 gemäß Figur 2 gezeigt, wobei diese um 90° um die Längsachse gedreht ist. Die weiteren erkennbaren Einzelheiten entsprechen denen in Figur 2 und sind dort beschrieben.In Figure 3, the light source 12 is shown in Figure 2, which is rotated 90 ° about the longitudinal axis. The other recognizable details correspond to those in Figure 2 and are described there.

In Figur 4 die Lichtquelle 10, welche gemäß Figur 1 in ein elektrisches Gerät 16 eingesetzt ist, im Längsschnitt in Einzeldarstellung gezeigt, wobei vom Leucht- oder Lampeneinsatz und der angesetzten Schutzkappe 24 nur die Konturen dargestellt sind. Der Stecksockel 14 besteht aus einem röhrenähnlichen Oberteil 34, das zentral an im Querschnitt etwa quadratisches Unterteil 36 anschließt. Das Oberteil 34 ist in einer bestimmten Höhe, die auf die Einbaubedingungen des betreffenden elektrischen Geräts 16, in welches die Lichtquelle eingebaut werden soll, angepaßt ist, mit Rastnasen 35 versehen, welche dafür sorgen, daß der in die hierfür vorgesehen Ausnehmung im elektrischen Gerät 16 eingeführte Sockel 14 nicht zurückleiten kann.In FIG. 4, the light source 10, which is inserted into an electrical device 16 according to FIG. 1, is shown in longitudinal section in a single representation, with the use of lights or lamps and the attached protective cap 24 only the contours are shown. The plug-in base 14 consists of a tube-like upper part 34 which connects centrally to a lower part 36 which is approximately square in cross section. The upper part 34 is provided at a certain height, which is adapted to the installation conditions of the relevant electrical device 16, in which the light source is to be installed, with latching lugs 35, which ensure that the recess provided in the electrical device 16 is provided for this purpose imported base 14 can not return.

Um eine ausreichende elektrische Kontaktierung mit dem im elektrischen Gerät 16 zum Anschluß vorgesehenen Kontakten sind die hierzu am Sockel 14, d. h. die aus dem Unterteil 36 des Sockels 14 herausragenden Kontaktfahnen 18 federnd angeordnet, wie insbesondere aus Figur 6 ersichtlich ist.In order to make sufficient electrical contact with the contacts provided in the electrical device 16 for connection, the contacts on the base 14, i. H. the contact tabs 18 protruding from the lower part 36 of the base 14 are arranged in a resilient manner, as can be seen in particular from FIG. 6.

Die Kontaktfahnen 18 sind über Flachleiter mit Gegenkontakten 19 im Inneren des Oberteils 34 des Sockels 14 verbunden. Diese Gegenkontakte 19 dienen zur Kontaktierung der Anschlußkontakte 27, 28 der als Steckeinsatz ausgebildeten Leucht- oder Lampeneinheit 12.The contact lugs 18 are connected via flat conductors to counter contacts 19 in the interior of the upper part 34 of the base 14. These counter contacts 19 are used to make contact with the connection contacts 27, 28 of the lighting or lamp unit 12 designed as a plug insert.

Wie insbesondere aus Figur 5 ersichtlich ist, sind die vorzugsweise streifenförmig ausgebildeten Gegenkontakte 19 leicht nach innen abgewinkelt und bilden im oberen Bereich des Oberteils 34 des Stecksockels 14, d. h. oberhalb der Rastnasen 32 einen weiteren Knickpunkt, ab welchem die freien Enden wieder nach außen geführt sind. Auf diese Weise besitzt jeder Gegenkontakt 19 einen bevorzugten Kontaktierungspunkt, um so mit den Anschlußkontakten 27, 28 der Leucht- oder Lampeneinheit 12.As can be seen in particular from FIG. 5, the preferably strip-shaped counter-contacts 19 are angled slightly inwards and form in the upper region of the upper part 34 of the plug base 14, ie. H. Above the locking lugs 32 a further break point, from which the free ends are led out again. In this way, each mating contact 19 has a preferred contact point, so as to connect with the contacts 27, 28 of the light or lamp unit 12.

Neben der linkerhand in Figur 5 gezeigten Kontaktfahne 18 ist ein Pfeil mit nach unten weisender Spitze eingezeichnet, der darauf hinweist, daß die Kontaktfahnen 18 in dieser Richtung federnd nachgeben, wenn sie stirnseitig beaufschlagt werden.In addition to the contact lug 18 shown on the left in FIG. 5, an arrow is drawn with the tip pointing downward, which indicates that the contact lugs 18 are in this Resiliently give in to the direction when they are applied to the front.

In der darunter gezeigten Figur 6 ist die Ursache für das federnde Nachgeben dargestellt. Die aus bevorzugt federhartem Kontaktwerkstoff, z. B. Federbronze, gebildeten Kontaktfahnen 18 liegen in der in Figur 4 und 5 gezeigten Ruhestellung an der oberen Innenfläche des Unterteils 36 an, wo sie ein an der unteren Innenfläche des Unterteils 36 angeformter Nocken 37 beaufschlagt. Wird der Steckeinsatz 14, wie in Figur 1 und Figur 6 gezeigt, in ein elektrisches Gerät 16 eingesetzt, so gelangen die Kontaktfahnen 18 mit den hierfür vorgesehenen, hier nicht näher dargestellten Anschlußkontakten des elektrischen Geräts 16 in Wirkverbindung und werden aufgrund der geometrischen Verhältnisse stirnseitig nach unten beaufschlagt, so daß sie nach unten abknicken, wie in Figur 6 gezeigt ist. Mit Hilfe dieser Federwirkung wird eine hohe Kontaktsicherheit erreicht, so daß ein nur geringer Übergangswiderstand resultiert.The cause of the resilient yielding is shown in FIG. 6 shown below. The preferably spring-hard contact material, for. B. spring bronze, formed contact lugs 18 are in the rest position shown in Figures 4 and 5 on the upper inner surface of the lower part 36, where it acts on a molded on the lower inner surface of the lower part 36 cam 37. If the plug insert 14, as shown in FIG. 1 and FIG. 6, is inserted into an electrical device 16, the contact lugs 18 come into operative connection with the connection contacts of the electrical device 16 provided for this purpose, which are not shown here, and are repositioned on the end face due to the geometric conditions applied below so that they bend downward, as shown in Figure 6. With the help of this spring action, a high degree of contact reliability is achieved, so that only a low contact resistance results.

Der Stecksockel 14 ist ebenfalls als Spritzgußteil aus Thermoplast hergestellt und besteht aus dem genannten Oberteil 34 und dem Unterteil 36. Das Unterteil 36 seinerseits ist ebenfalls zweigeteilt ausgeführt und besteht aus einem Deckelteil 38, an welches das Oberteil 34 anschließt, einem wannenähnlichen Aufnahmeteil 39, welches das Deckelteil 38 mitsamt der darin angeordneten elektrischen Leiter 18, 19 aufnimmt. Gemäß einer bevorzugten Ausgestaltung der Erfindung ist das Deckelteil 38 mittels eines hier nicht näher gezeigten Filmscharniers mit dem Aufnahmeteil 39 unverlierbar verbunden. Auf diese Weise wird das Risiko, daß eines der beiden Teile verlorengeht, vermindert.The socket 14 is also made as an injection molded part made of thermoplastic and consists of the above-mentioned upper part 34 and the lower part 36. The lower part 36 is also made in two parts and consists of a cover part 38 to which the upper part 34 connects, a trough-like receiving part 39, which the cover part 38 together with the electrical conductors 18, 19 arranged therein. According to a preferred embodiment of the invention, the cover part 38 is captively connected to the receiving part 39 by means of a film hinge, not shown here. In this way the risk of one of the two parts being lost is reduced.

Claims (11)

Lichtquelle, insbesondere Glimmlampe zum Einstecken in einen Stecksockel, für den Einsatz in elektrischen Installationsgeräten, wie elektrische Schalter, Taster, Dimmer und dergleichen, mit einem Hohlkörper, vorzugsweise aus Glas, mit darin angeordneten Elektroden, deren Anschlußdrähte auf der Unterseite des Hohlkörpers gegeneinander isoliert herausgeführt sind und als Anschlußkontakte dienen für im Stecksockel befindliche Gegenkontakte sowie mit einem Vorwiderstand, der zwischen der Lichtquelle und einem elektrischen Versorgungsnetz zwischengeschaltet ist, dadurch gekennzeichnet, daß der Vorwiderstand (30) unmittelbar an einem der aus dem Hohlkörper (20) herausgeführten Anschlußdrähte (26) angeschlossen ist und die Verbindung mit dem zugeordneten Gegenkontakt (19) im Stecksockel (14) bildet.Light source, in particular glow lamp for plugging into a socket, for use in electrical installation devices, such as electrical switches, buttons, dimmers and the like, with a hollow body, preferably made of glass, with electrodes arranged therein, the connecting wires of which are led out insulated from one another on the underside of the hollow body and serve as connection contacts for mating contacts located in the plug base and with a series resistor which is interposed between the light source and an electrical supply network, characterized in that the series resistor (30) is connected directly to one of the connecting wires (26) led out of the hollow body (20). is connected and forms the connection with the associated mating contact (19) in the plug-in base (14). Lichtquelle nach Anspruch 1, dadurch gekennzeichnet, daß der Hohlkörper (20) auf seiner Unterseite (22) mit einer Schutzkappe (24) versehen ist, welche die Unterseite (22) des Hohlkörpers (20) sowie den hieran anschließenden Vorwiderstand (30) aufnimmt, und daß die als Anschlußkontakte (27, 28) dienenden Anschlußdrähte (25, 29) vom Hohlkörper (20) bzw. vom Vorwiderstand (30) gegeneinander isoliert durch die Schutzkappe (24) nach außen geführt sind.Light source according to Claim 1, characterized in that the hollow body (20) is provided on its underside (22) with a protective cap (24) which receives the underside (22) of the hollow body (20) and the series resistor (30) connected to it, and that the connecting wires (25, 29) serving as connection contacts (27, 28) are guided outwards from the hollow body (20) or from the series resistor (30), insulated from one another, through the protective cap (24). Lichtquelle nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß der Vorwiderstand (30) zylindrisch ausgebildet ist mit an den Stirnseiten anschließenden Anschlußdrähten (26, 29)Light source according to claim 1 or 2, characterized in that the series resistor (30) is cylindrical with connecting wires (26, 29) adjoining the end faces. Lichtquelle nach Anspruch 3, dadurch gekennzeichnet, daß der Vorwiderstand (30) ein handelsüblicher Kohleschicht-Widerstand ist.Light source according to claim 3, characterized in that the series resistor (30) is a commercially available carbon layer resistor. Lichtquelle nach Anspruch 3, dadurch gekennzeichnet, daß der Vorwiderstand (30) ein handelsüblicher Metall-Schicht-Widerstand ist.Light source according to claim 3, characterized in that the series resistor (30) is a commercially available metal layer resistor. Lichtquelle nach einem der Ansprüche 2 bis 6, dadurch gekennzeichnet, daß die Schutzkappe (24) aus Isoliermaterial gebildet ist.Light source according to one of claims 2 to 6, characterized in that the protective cap (24) is formed from insulating material. Lichtquelle nach Anspruch 6, dadurch gekennzeichnet, daß die Schutzkappe (24) aus spritzgußfähigem Thermoplast hergestellt ist.Light source according to claim 6, characterized in that the protective cap (24) is made of injection-moldable thermoplastic. Lichtquelle nach einem der Ansprüche 2 bis 7, dadurch gekennzeichnet, daß die Schutzkappe (24) mit ihrem dem Hohlkörper (20) abgewandten Ende an die Geometrie des Stecksockels (14) angepaßt ist und in diesen einsetzbar gestaltet ist.Light source according to one of claims 2 to 7, characterized in that the protective cap (24) with its end facing away from the hollow body (20) is adapted to the geometry of the plug-in base (14) and is designed to be insertable therein. Lichtquelle nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, daß der Stecksockel (14) ein Oberteil (34) mit daran angeordneten Rastnasen (32) sowie ein Unterteil (36) aufweist, welches zur Aufnahme von Kontaktfahnen (18) und Gegenkontakten (19) dient.Light source according to one of the preceding claims, characterized in that the plug-in base (14) has an upper part (34) with latching lugs (32) arranged thereon and a lower part (36) which serves to receive contact lugs (18) and mating contacts (19) . Lichtquelle nach Anspruch 9, dadurch gekennzeichnet, daß das Unterteil (36) ausgeführt und besteht aus einem Deckelteil (38) und einem Aufnahmeteil (39) gebildet ist, die miteinander verbunden sind.Light source according to claim 9, characterized in that the lower part (36) is made and consists of a cover part (38) and a receiving part (39) which are connected to one another. Lichtquelle nach Anspruch 10, dadurch gekennzeichnet, daß das Deckelteil (38) mit dem Aufnahmeteil (39) des Stecksockels (14) mittels Filmschaffen verbunden ist.Light source according to claim 10, characterized in that the cover part (38) is connected to the receiving part (39) of the plug-in base (14) by means of film creation.
EP94107826A 1993-05-26 1994-05-20 Light source Expired - Lifetime EP0626715B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4317491 1993-05-26
DE4317491A DE4317491A1 (en) 1993-05-26 1993-05-26 Glow lamp to plug in

Publications (3)

Publication Number Publication Date
EP0626715A2 true EP0626715A2 (en) 1994-11-30
EP0626715A3 EP0626715A3 (en) 1995-11-29
EP0626715B1 EP0626715B1 (en) 1999-01-07

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EP94107826A Expired - Lifetime EP0626715B1 (en) 1993-05-26 1994-05-20 Light source

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EP (1) EP0626715B1 (en)
AT (1) ATE175518T1 (en)
DE (2) DE4317491A1 (en)
ES (1) ES2129087T3 (en)

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WO1997015940A2 (en) * 1995-10-26 1997-05-01 Philips Electronics N.V. Capped electric lamp
EP1126495A2 (en) * 2000-02-04 2001-08-22 ABBPATENT GmbH Illumination of an electronic/electrical installation device

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DE19628755A1 (en) * 1996-07-17 1998-01-22 Abb Patent Gmbh Lighting insert
DE19739022A1 (en) * 1997-09-06 1999-03-11 Hella Kg Hueck & Co Reflector lamp

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US2285875A (en) * 1940-05-24 1942-06-09 Ohio Carbon Company Electric lamp assembly
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WO1997015940A3 (en) * 1995-10-26 1997-06-26 Philips Electronics Nv Capped electric lamp
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EP1126495A3 (en) * 2000-02-04 2003-01-08 ABB PATENT GmbH Illumination of an electronic/electrical installation device

Also Published As

Publication number Publication date
ATE175518T1 (en) 1999-01-15
EP0626715B1 (en) 1999-01-07
EP0626715A3 (en) 1995-11-29
DE4317491A1 (en) 1994-12-01
DE59407577D1 (en) 1999-02-18
ES2129087T3 (en) 1999-06-01

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