EP0488924A1 - Signal lamp and process for producing the same - Google Patents

Signal lamp and process for producing the same Download PDF

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Publication number
EP0488924A1
EP0488924A1 EP91470033A EP91470033A EP0488924A1 EP 0488924 A1 EP0488924 A1 EP 0488924A1 EP 91470033 A EP91470033 A EP 91470033A EP 91470033 A EP91470033 A EP 91470033A EP 0488924 A1 EP0488924 A1 EP 0488924A1
Authority
EP
European Patent Office
Prior art keywords
crimping
bulb
lamp
contacts
soldering
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
EP91470033A
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German (de)
French (fr)
Other versions
EP0488924B1 (en
Inventor
Jean Pidancet
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.)
Socop SA
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Socop SA
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Filing date
Publication date
Application filed by Socop SA filed Critical Socop SA
Publication of EP0488924A1 publication Critical patent/EP0488924A1/en
Application granted granted Critical
Publication of EP0488924B1 publication Critical patent/EP0488924B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/42—Means forming part of the lamp for the purpose of providing electrical connection, or support for, the lamp
    • H01K1/46—Means forming part of the lamp for the purpose of providing electrical connection, or support for, the lamp supported by a separate part, e.g. base, cap

Definitions

  • the invention also relates to a method for the manufacture of such lamps.
  • Lamps of this type and their receiving body (or base) are in themselves well known in particular from patent EP 310,792.
  • This design has the disadvantage that the welding, once carried out, does not allow to visualize the effectiveness of the crimping.
  • the subject of the invention is also the general method consisting in carrying out, on lamps of this type, soldering and crimping at separate locations.
  • the lamp according to the invention is intended in particular, but not limited to signaling by mounting on printed circuit boards, lamp cards or to serve as indicator lights.
  • Conductors (2) are used to supply the current, which support the luminescent body (1) and hold it in place, themselves being possibly caught in an adhesive. They come out at the base of the lamp bulb.
  • It also includes a plastic body (3) with a means for receiving the bulb (chamfered housing at the entrance allowing penetration and installation of the bulb without tightening).
  • a rib (4) at the bottom of the body allows a clear separation of the two wire outputs of the bulb thus avoiding the risks of short circuit.
  • a circular flange (5) makes it possible to come to bear on the printed circuit during the fitting of the lamp support.
  • Two diametrically opposed lugs (6) allow, once that the rotation in abutment against the supports (7) has been carried out, to maintain the support in place on its plate and in its housing, thanks to the holding force applied by the contacts (8).
  • An ergonomically shaped base (9) facilitates manual mounting of the assembly on the card as well as selection for automatic mounting.
  • Electrical contacts (8) made of a metallic and elastic material are axially aligned and inserted in housings provided for this purpose in the plastic body (3).
  • each of the contacts is fixed, for this reason, to one of the wire outputs by a crimping (10) then a solder (11), which are carried out so that they are offset one with respect to the other, this in order to avoid any harmful interaction between the two operations.
  • a curvature (12) is given at the base of the crimping on the contact in order to avoid any risk of cutting the wire outlets on the contacts at this location due to their curvature.
  • a resin is optionally injected into the bottom of the support through an orifice which may be provided on the bottom of the latter, after insertion of the "contact bulb” assembly into the body, or else, injected through the top of the support before insertion of the whole, all this in order to meet a possible specification, as regards the resistance to the extraction forces applied to the bulb.
  • a vertical fold (14) is made on the contact in order to avoid contact with the glass of the bulb, and therefore the stresses which may result.
  • An elastic beam (15) completed with a spherical stamp gives the necessary contact pressure on the circuit where the lamp is placed in order to ensure the electrical connection between the two.

Abstract

Signal lamp intended in particular to be mounted on boards or cards or serving as luminous indicators, the said lamp comprising essentially: - a miniature incandescent bulb (1) with an output through conductive wires (2); - a bulb-receiving body (3) comprising electrical contacts (8) for connection with the supply circuits; - means of connecting between the conductors and the electrical contacts, consisting of a crimping and solder, characterised in that the crimping (10) and the solder (11) are effected at different locations. <IMAGE>

Description

La présente invention a pour objet un perfectionnement apporté aux lampes de signalisation destinées en particulier à être montées sur des plaquettes ou cartes et servant de témoins lumineux, lesdites lampes comportant essentiellement :

  • une ampoule miniature à incandescence avec sorties par fils conducteurs,
  • un corps récepteur d'ampoule, comportant des contacts métalliques pour la liaison avec les circuits d'alimentation,
  • des moyens de liaison entre les conducteurs de la lampe et les contacts métalliques consistant en un sertissage et une soudure.
The present invention relates to an improvement made to signaling lamps intended in particular to be mounted on plates or cards and serving as indicator lights, said lamps essentially comprising:
  • a miniature incandescent bulb with outputs by conductive wires,
  • a bulb receiving body, comprising metal contacts for connection with the supply circuits,
  • connecting means between the lamp conductors and the metal contacts consisting of crimping and soldering.

L'invention a également pour objet un procédé pour la fabrication de telles lampes. Des lampes de ce type et leur corps récepteur (ou culot) sont en elles-mêmes bien connues en particulier du brevet EP 310 792.The invention also relates to a method for the manufacture of such lamps. Lamps of this type and their receiving body (or base) are in themselves well known in particular from patent EP 310,792.

Au niveau de la liaison entre les conducteurs et les contacts électriques, il est d'usage de réaliser un sertissage entre le fil provenant de l'ampoule et le contact électrique du corps récepteur d'une part, ainsi qu'une soudure complémentaire au niveau précis du sertissage.At the connection between the conductors and the electrical contacts, it is customary to carry out a crimping between the wire coming from the bulb and the electrical contact of the receiving body on the one hand, as well as a complementary welding at the level precise crimping.

Cette conception présente l'inconvénient que la soudure, une fois effectuée, ne permet pas de visualiser l'efficacité du sertissage.This design has the disadvantage that the welding, once carried out, does not allow to visualize the effectiveness of the crimping.

D'autre part, la soudure peut parfois remettre en cause elle-même le sertissage. Ainsi, il a déjà été proposé de réaliser la soudure et le sertissage à des endroits séparés comme dans le brevet US 2 794 176. Toutefois, le résultat obtenu n'est pas transposable au domaine spécifique des lampes de signalisation, car on risque des ruptures de fil. L'invention a pour but de remédier à ces inconvénients.On the other hand, the soldering can sometimes call into question the crimping itself. Thus, it has already been proposed to perform the soldering and crimping at separate locations as in US Patent 2,794,176. However, the result obtained cannot be transposed to the specific field of signaling lamps, because there is a risk of ruptures of wire. The invention aims to remedy these drawbacks.

Conformément à l'invention, on propose à cette fin un perfectionnement apporté aux lampes de signalisation destinées en particulier à être montées sur des plaquettes ou cartes ou servant de témoins lumineux, lesdites lampes comportant essentiellement :

  • une ampoule miniature à incandescence avec une sortie par fils conducteurs,
  • un corps réducteur d'ampoule, comportant des contacts électriques pour la liaison avec les circuits d'alimentation,
  • des moyens de liaison entre les conducteurs et les contacts électriques consistant en un sertissage et en une soudure, caractérisé en ce que le sertissage et la soudure sont opérés à des endroits différents, une courbure étant donnée aux fils à la base du sertissage sur le contact.
In accordance with the invention, an improvement is proposed to this end for signaling lamps intended in particular to be mounted on boards or cards or serving as indicator lights, said lamps essentially comprising:
  • a miniature incandescent bulb with an output by conducting wires,
  • a bulb reducing body, comprising electrical contacts for connection with the supply circuits,
  • connecting means between the conductors and the electrical contacts consisting of crimping and soldering, characterized in that the crimping and soldering are carried out at different locations, a curvature being given to the wires at the base of the crimping on the contact .

On peut ainsi visualiser l'efficacité de chacune des opérationsWe can thus visualize the effectiveness of each of the operations

L'invention a également pour objet le procédé général consistant à effectuer, sur des lampes de ce type, une soudure et un sertissage à des endroits distinctsThe subject of the invention is also the general method consisting in carrying out, on lamps of this type, soldering and crimping at separate locations.

On comprendra mieux l'invention à l'aide de la description faite ci-après d'un mode préféré de mise en oeuvre, donné à titre d'exemple non limitatif, en référence aux dessins annexés dans lesquels :

  • la figure 1 est une vue de dessus d'une ampoule et de son support ;
  • la figure 2 est une coupe selon A-A de la figure 1 ;
  • la figure 3 est une coupe selon B-B de la figure 1 ;
  • la figure 4 est une vue de dessous du support d'ampoule ;
  • la figure 5 est une vue en élévation latérale de la lampe de la figure 1, au niveau des ergots de blocage ;
  • la figure 6 est une vue en élévation latérale de la lampe de la figure 1, au niveau des contacts électriques extérieurs du support.
The invention will be better understood using the description given below of a preferred embodiment, given by way of nonlimiting example, with reference to the appended drawings in which:
  • Figure 1 is a top view of a bulb and its support;
  • Figure 2 is a section along AA of Figure 1;
  • Figure 3 is a section along BB of Figure 1;
  • Figure 4 is a bottom view of the bulb holder;
  • Figure 5 is a side elevational view of the lamp of Figure 1, at the locking pins;
  • Figure 6 is a side elevational view of the lamp of Figure 1, at the external electrical contacts of the support.

La lampe conforme à l'invention est destinée en particulier, mais non limitativement à la signalisation par montage sur plaquettes à circuits imprimés, cartes à lampes ou pour servir de témoins lumineux.The lamp according to the invention is intended in particular, but not limited to signaling by mounting on printed circuit boards, lamp cards or to serve as indicator lights.

Elle consiste en une ampoule de lampe à incandescence miniature à sortie fil avec un corps luminescent (1) qui est logé en place sans être soumis à des contraintes de maintien (pouvant provenir des contacts métalliques ou du corps plastique).It consists of a miniature filament light bulb with wire exit with a luminescent body (1) which is housed in place without being subjected to maintenance constraints (which can come from metal contacts or from the plastic body).

Des conducteurs (2) servent à l'amenée du courant, qui supportent le corps luminescent (1) et le maintiennent en place en étant eux-mêmes éventuellement pris dans une colle. Ils sortent à la base de l'ampoule de la lampe.Conductors (2) are used to supply the current, which support the luminescent body (1) and hold it in place, themselves being possibly caught in an adhesive. They come out at the base of the lamp bulb.

Elle comporte également un corps (3) en matière plastique avec un moyen de réception de l'ampoule (logement chanfreiné à l'entrée permettant une pénétration et une installation de l'ampoule sans serrage).It also includes a plastic body (3) with a means for receiving the bulb (chamfered housing at the entrance allowing penetration and installation of the bulb without tightening).

Une nervure (4) au fond du corps permet une séparation nette des deux sorties fil de l'ampoule évitant ainsi les risques de court circuit.A rib (4) at the bottom of the body allows a clear separation of the two wire outputs of the bulb thus avoiding the risks of short circuit.

Une collerette circulaire (5) permet de venir en appui sur le circuit imprimé lors de la pose du support de lampe.A circular flange (5) makes it possible to come to bear on the printed circuit during the fitting of the lamp support.

Deux ergots (6) diamètralement opposés permettent, une fois que la rotation en butée contre les appuis (7) a été effectuée, de maintenir le support en place sur sa plaque et dans son logement, grâce à l'effort de maintien appliqué par les contacts (8).Two diametrically opposed lugs (6) allow, once that the rotation in abutment against the supports (7) has been carried out, to maintain the support in place on its plate and in its housing, thanks to the holding force applied by the contacts (8).

Une base de forme ergonomique (9) facilite le montage manuel de l'ensemble sur la carte ainsi que la sélection pour un montage en automatique.An ergonomically shaped base (9) facilitates manual mounting of the assembly on the card as well as selection for automatic mounting.

Des contacts électriques (8) en un matériau métallique et élastique sont alignés axialement et inserrés dans des logements prévus à cet effet dans le corps plastique (3).Electrical contacts (8) made of a metallic and elastic material are axially aligned and inserted in housings provided for this purpose in the plastic body (3).

Ils permettent la liaison électrique entre le circuit imprimé de la plaquette et les sorties fil de l'ampoule. Selon l'invention, chacun des contacts est fixé, pour cette raison, à une des sorties fil par un sertissage (10) puis une soudure (11), qui sont effectués de telle sorte qu'ils sont décalés l'un par rapport à l'autre, ceci afin d'éviter toute intéraction néfaste entre les deux opérations.They allow the electrical connection between the printed circuit board and the wire outputs of the bulb. According to the invention, each of the contacts is fixed, for this reason, to one of the wire outputs by a crimping (10) then a solder (11), which are carried out so that they are offset one with respect to the other, this in order to avoid any harmful interaction between the two operations.

Une courbure (12) est donnée à la base du sertissage sur le contact afin d'éviter tout risque de sectionnement des sorties fil sur les contacts à cet endroit du fait de leur courbure.A curvature (12) is given at the base of the crimping on the contact in order to avoid any risk of cutting the wire outlets on the contacts at this location due to their curvature.

Les contacts sont maintenus à l'intérieur du corps plastique par deux éléments différents :

  • une paire d'ergots de retenue (13) permettant l'engagement des contacts dans le corps et empêchant leur sortie grâce à l'orientation de leur pliage.
The contacts are held inside the plastic body by two different elements:
  • a pair of retaining pins (13) allowing the engagement of the contacts in the body and preventing their exit thanks to the orientation of their folding.

Une résine est éventuellement injectée au fond du support par un orifice qui pourra être prévu sur le fond de celui-ci, après insertion de l'ensemble "ampoule contacts" dans le corps, ou bien, injectée par le dessus du support avant insertion de l'ensemble, tout ceci afin de répondre à un éventuel cahier des charges, en ce qui concerne la résistance aux efforts d'extraction appliqués à l'ampoule.A resin is optionally injected into the bottom of the support through an orifice which may be provided on the bottom of the latter, after insertion of the "contact bulb" assembly into the body, or else, injected through the top of the support before insertion of the whole, all this in order to meet a possible specification, as regards the resistance to the extraction forces applied to the bulb.

Un pli vertical (14) est effectué sur le contact dans le but d'éviter tout contact avec le verre de l'ampoule, et donc les contraintes pouvant en résulter.A vertical fold (14) is made on the contact in order to avoid contact with the glass of the bulb, and therefore the stresses which may result.

Une poutre élastique (15) achevée d'un embouti sphérique donne la pression de contact nécessaire sur le circuit où est disposé la lampe afin d'assurer la liaison électrique entre les deux.An elastic beam (15) completed with a spherical stamp gives the necessary contact pressure on the circuit where the lamp is placed in order to ensure the electrical connection between the two.

Claims (2)

Lampe de signalisation destinée en particulier à être montée sur des plaquettes ou cartes et servant de témoins lumineux, ladite lampe comportant essentiellement : - une ampoule miniature à incandescence (1) avec sorties par fils conducteurs (2), - un corps récepteur d'ampoule (3), comportant des contacts métalliques (8) pour la liaison avec les circuits d'alimentation, - des moyens de liaison entre les conducteurs de la lampe et les contacts métalliques, consistant en un sertissage et en une soudure, caractérisée en ce que le sertissage (10) et la soudure (11) sont opérés à des endroits différents, une courbure (12) étant donnée aux fils à la base du sertissage sur le contact. Signaling lamp intended in particular to be mounted on plates or cards and serving as indicator lights, said lamp essentially comprising: - a miniature incandescent bulb (1) with outputs by conductive wires (2), - a bulb receiving body (3), comprising metal contacts (8) for connection with the supply circuits, - connecting means between the lamp conductors and the metal contacts, consisting of a crimping and a soldering, characterized in that the crimping (10) and the soldering (11) are carried out at different places, a curvature ( 12) being given to the wires at the base of the crimping on the contact. Procédé pour la réalisation d'une lampe de signalisation conforme à la revendication 1, caractérisé en ce qu'il consiste à effectuer un sertissage et une soudure du fil conducteur à des endroits décalés l'un par rapport à l'autre, avec une courbure à la base du sertissage.Method for producing a signal lamp according to claim 1, characterized in that it consists in carrying out crimping and welding of the conductive wire at places offset from one another, with a curvature at the base of the crimp.
EP91470033A 1990-11-26 1991-11-08 Signal lamp and process for producing the same Expired - Lifetime EP0488924B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9014909 1990-11-26
FR9014909A FR2669773B1 (en) 1990-11-26 1990-11-26 SIGNALING LAMP AND MANUFACTURING METHOD THEREOF.

Publications (2)

Publication Number Publication Date
EP0488924A1 true EP0488924A1 (en) 1992-06-03
EP0488924B1 EP0488924B1 (en) 1996-03-20

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP91470033A Expired - Lifetime EP0488924B1 (en) 1990-11-26 1991-11-08 Signal lamp and process for producing the same

Country Status (7)

Country Link
US (1) US5319532A (en)
EP (1) EP0488924B1 (en)
JP (1) JPH04274183A (en)
AT (1) ATE135847T1 (en)
DE (1) DE69118123T2 (en)
ES (1) ES2086514T3 (en)
FR (1) FR2669773B1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD363359S (en) * 1994-02-23 1995-10-17 Brokelmann, Jaeger & Busse, Gmbh & Co. Lamp holder
US5988897A (en) * 1997-09-03 1999-11-23 Pitney Bowes Inc. Method for preventing fraudulent printing of a postage indicium displayed on a personal computer
US6815878B2 (en) * 2002-03-21 2004-11-09 Federal-Mogul World Wide, Inc. High temperature lamp
ES2289114T3 (en) * 2002-06-20 2008-02-01 Nokia Corporation METHOD, SYSTEM AND DEVICES TO TRANSFER ACCOUNTING INFORMATION.

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US2794176A (en) * 1953-05-21 1957-05-28 Utica Drop Forge & Tool Corp Terminal construction
EP0123104A2 (en) * 1983-04-15 1984-10-31 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Bayonet-like built-in armature for a display-apparatus
EP0310792A2 (en) * 1987-09-21 1989-04-12 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Signal lamp for mounting on circuit boards

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US2462867A (en) * 1943-10-07 1949-03-01 Hubbell Harvey Lead connector
US2615950A (en) * 1950-02-01 1952-10-28 Gen Electric Electric terminal connector
US3093768A (en) * 1961-02-01 1963-06-11 Gen Electric Electric lamp base end structure
GB1177953A (en) * 1966-04-18 1970-01-14 Rival Lamps Ltd Improvements relating to Lamp Holders
US3555341A (en) * 1968-02-07 1971-01-12 Wagner Electric Corp Rear loading panel lamp assembly
US3699328A (en) * 1971-05-17 1972-10-17 Trw Inc Indicator light assembly
US4204273A (en) * 1977-01-31 1980-05-20 Goldberg Gerald M Construction of illuminating ribbon of light bulbs
JPS5688274A (en) * 1979-12-20 1981-07-17 Tokyo Shibaura Electric Co Light source
US4999751A (en) * 1989-09-05 1991-03-12 Chen Ming Hsiung Innovative structure of christmas light assembly
US5121304A (en) * 1990-10-15 1992-06-09 Gte Products Corporation Vehicle lamp

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2794176A (en) * 1953-05-21 1957-05-28 Utica Drop Forge & Tool Corp Terminal construction
EP0123104A2 (en) * 1983-04-15 1984-10-31 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Bayonet-like built-in armature for a display-apparatus
EP0310792A2 (en) * 1987-09-21 1989-04-12 Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH Signal lamp for mounting on circuit boards

Also Published As

Publication number Publication date
FR2669773A1 (en) 1992-05-29
EP0488924B1 (en) 1996-03-20
DE69118123D1 (en) 1996-04-25
JPH04274183A (en) 1992-09-30
ES2086514T3 (en) 1996-07-01
DE69118123T2 (en) 1996-11-07
FR2669773B1 (en) 1993-01-08
US5319532A (en) 1994-06-07
ATE135847T1 (en) 1996-04-15

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