EP0683547A1 - Connection device for insuring the connection between a coaxim cable and a printed circuit and printed circuit equipped with such a device - Google Patents

Connection device for insuring the connection between a coaxim cable and a printed circuit and printed circuit equipped with such a device Download PDF

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Publication number
EP0683547A1
EP0683547A1 EP95401068A EP95401068A EP0683547A1 EP 0683547 A1 EP0683547 A1 EP 0683547A1 EP 95401068 A EP95401068 A EP 95401068A EP 95401068 A EP95401068 A EP 95401068A EP 0683547 A1 EP0683547 A1 EP 0683547A1
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EP
European Patent Office
Prior art keywords
plate
printed circuit
hole
cable
connection
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.)
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Application number
EP95401068A
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German (de)
French (fr)
Inventor
André Dodart
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Thales SA
Original Assignee
Thomson CSF SA
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Application filed by Thomson CSF SA filed Critical Thomson CSF SA
Publication of EP0683547A1 publication Critical patent/EP0683547A1/en
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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
    • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/03—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections
    • H01R9/05—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections for coaxial cables
    • H01R9/0515—Connection to a rigid planar substrate, e.g. printed circuit board

Definitions

  • the present invention relates to the connection of a coaxial cable to a printed circuit.
  • the object of the present invention is to avoid or, at the very least, to reduce these defects.
  • connection device as defined, in particular, in claim 1.
  • FIG. 1 shows, in an exploded view, a cable 1, a printed circuit 5 and a connection device, 2, 3, 4, for connecting one end of the cable 1 to the circuit 5.
  • the end of the cable 1, which must be connected to the circuit 5, is stripped to reveal the internal conductor 10 and the external conductor 11.
  • the circuit 5 is, in the example described, a three-plate circuit whose external faces 51, 52 carry ground planes and whose internal face comprises conductors such as the conductor 53 which a notch 50 makes it possible to perceive.
  • This notch is specially made for the purpose of making the connection between the cable 1 and the printed circuit 5; it releases the upper insulating substrate over a width of 4 mm and a length of 9.5 mm and the lower insulating substrate over the same width but over a length of 6 mm.
  • the printed circuit is pierced with circular holes 5a, 5b.
  • connection device comprises a fixed metal jaw 2, a metal cover 3, and fixing means 4, for fixing the jaw and the cover to the circuit 5.
  • the jaw 2 is a single piece produced by machining, which can be described as being constituted by the superposition of three joined plates: a first and a second plate, 21, 22, located on either side of a third plate, 20, and forming a U; the third plate, 20, constitutes the bottom of this U and will be called bottom in what follows.
  • the difference between the first and the second plate is slightly greater than the thickness of the printed circuit 5.
  • the bottom 20 has a width of 3.8 mm and a length of 6 mm, that is to say of dimensions slightly smaller than the part of the notch 50 produced in the upper insulating substrate.
  • the plates 21, 22 have a width of 10 mm and an overall length of 9.5 mm so that their dimensions are greater than those of the notch 50.
  • the plate 21 is cut by a rectangular notch 25 arranged in the extension of the part of the plate 21 which covers the bottom 20; the plate 21 thus has two tongues, one on each side of the notch 25 and these two tongues are pierced respectively with two smooth holes 21a, 21b perpendicular to the plane of the plate 21. Opposite these two smooth holes, the plate 22 is pierced with two threaded holes 22a, 22b.
  • the jaw 2 is pierced with two other smooth holes 23 and 24.
  • the hole 23 crosses the bottom 20 right through while the hole 24 crosses the plate 20 and opens into the hole 23.
  • the jaw 2 which has just been described, was designed to come to fit on the part of the circuit 5 in which the notch 50 is cut.
  • the bottom 20 is entirely inside the notch 50 of the circuit 5 while the notch 25 of the plate 21 of the jaw, constitutes an opening which leaves visible the part of the internal face of the circuit 5 which is visible thanks to the notch 50 and which comprises the conductor 53.
  • the cover 3 is constituted by a metal plate having the same width as the plates 21 and 22 but a shorter length. This cover is bent so as to come to be pressed not only on the face of the plate 21 opposite to the plate 22 but also on the end of the plate 21 located at the top of the U.
  • Figure 3 shows the respective positions of the circuit printed 5, of the coaxial cable 1 of the jaw 2 and of the cover 3 after they have been joined; in this figure it appears that the cover then comes into contact, not only with the jaw 2, but also with the ground plane of the external face 51 of the printed circuit 5, thus providing an effective barrier to the radiation produced at the level of the conductor 53 .
  • fixing means 4 consisting of two screws 4a, 4b intended to pass through two smooth holes 3a, 3b of the cover 3 and the corresponding pairs of holes 21a-21b, 22a-22b , 5a-5b described with the aid of Figure 1; all these pairs of holes have the same distance between the axes of their two holes and are exactly superimposed in the assembly according to Figure 3, so that the screws 4a, 4b can easily be introduced into these superimposed holes to be screwed into the threaded holes 22a, 22b of the plate 22 of the jaw, thus joining the elements 2, 3, 5 of the assembly according to FIG. 3.

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  • Multi-Conductor Connections (AREA)

Abstract

The connector apparatus ensures connection to a printed circuit board (5) via a coaxial cable. One end of the cable (1) is stripped to reveal the internal and external conductors. A fixed metallic U-shaped piece (2) has a base and a first (21) and a second (22) plate disposed either side of the base forming the arms of the U. This piece (2) is adapted to be fitted into the pcb (5) such that the two places (21,22) lie either side of the pcb (5). A hole (23) is provided in the base of the metal piece (2). The hole (23) receives the bare end of the cable (1). The internal conductor (10) emerges into the inside of the U. The external conductor (11) is in contract with the edge of the hole (23). An opening (25) is cut into the first plate (21) near the place where the internal conductor (10) emerges. Means (4) are provided for fixing the metal piece (2) onto the pcb (5). The opening is covered by a metal cover (3). <IMAGE>

Description

La présente invention se rapporte au raccordement d'un câble coaxial sur un circuit imprimé.The present invention relates to the connection of a coaxial cable to a printed circuit.

Il est connu de raccorder directement l'extrémité d'un câble coaxial sur un circuit imprimé en soudant, pour cela, les conducteurs intérieur et extérieur de l'extrémité considérée du câble en des endroits prévus à cet effet dans le circuit imprimé; un tel raccordement est fragile, supporte mal des conditions d'environnement mécanique sévère et se prête mal à une réalisation industrielle en série car, d'un raccordement à l'autre, il ne garantit pas une constance de l'impédance de transition. Il est également connu d'utiliser une barrette ou une boîte de raccordement entre le câble et le circuit imprimé ; de tels raccordements ont au moins l'un des défauts suivants: coûteux, volume important, non industriel.It is known to directly connect the end of a coaxial cable to a printed circuit by soldering, for this, the inner and outer conductors of the considered end of the cable in places provided for this purpose in the printed circuit; such a connection is fragile, does not tolerate severe mechanical environment conditions and does not lend itself to industrial production in series because, from one connection to the other, it does not guarantee consistency of the transition impedance. It is also known to use a strip or a connection box between the cable and the printed circuit; such connections have at least one of the following defects: expensive, large volume, non-industrial.

Le but de la présente invention est d'éviter ou, pour le moins, de réduire ces défauts.The object of the present invention is to avoid or, at the very least, to reduce these defects.

Ceci est obtenu grâce à un montage spécialement étudié pour résoudre le problème posé.This is obtained thanks to an assembly specially studied to solve the problem posed.

La présente invention a pour objet un dispositif de raccordement tel que défini, en particulier, dans la revendication 1.The subject of the present invention is a connection device as defined, in particular, in claim 1.

La présente invention sera mieux comprise et d'autres caractéristiques apparaîtront grâce à la description ci-après et aux figures s'y rapportant qui représentent:

  • les figures 1 et 3 des vues en perspective d'un dispositif de raccordement selon l'invention avec un circuit imprimé auquel il est destiné,
  • la figure 2 une vue de dessus du dispositif de raccordement des figures 1 et 3.
The present invention will be better understood and other characteristics will become apparent from the following description and the related figures which represent:
  • FIGS. 1 and 3 are perspective views of a connection device according to the invention with a printed circuit for which it is intended,
  • FIG. 2 a top view of the connection device of FIGS. 1 and 3.

Sur les différentes figures les éléments correspondants sont désignés par les mêmes références.In the various figures, the corresponding elements are designated by the same references.

La figure 1 représente, dans une vue éclatée, un câble 1, un circuit imprimé 5 et un dispositif de raccordement, 2, 3, 4, pour raccorder une extrémité du câble 1 au circuit 5.FIG. 1 shows, in an exploded view, a cable 1, a printed circuit 5 and a connection device, 2, 3, 4, for connecting one end of the cable 1 to the circuit 5.

L'extrémité du câble 1 qui doit être raccordée au circuit 5, est dénudée afin de faire apparaître le conducteur interne 10 et le conducteur externe 11.The end of the cable 1, which must be connected to the circuit 5, is stripped to reveal the internal conductor 10 and the external conductor 11.

Le circuit 5 est, dans l'exemple décrit, un circuit triplaque dont les faces externes 51, 52 portent des plans de masse et dont la face interne comporte des conducteurs tels que le conducteur 53 qu'une encoche 50 permet d'apercevoir. Cette encoche est spécialement réalisée dans le but d'effectuer le raccordement entre le câble 1 et le circuit imprimé 5; elle dégage le substrat isolant supérieur sur une largeur de 4 mm et une longueur de 9,5 mm et le substrat isolant inférieur sur la même largeur mais sur une longueur de 6 mm.The circuit 5 is, in the example described, a three-plate circuit whose external faces 51, 52 carry ground planes and whose internal face comprises conductors such as the conductor 53 which a notch 50 makes it possible to perceive. This notch is specially made for the purpose of making the connection between the cable 1 and the printed circuit 5; it releases the upper insulating substrate over a width of 4 mm and a length of 9.5 mm and the lower insulating substrate over the same width but over a length of 6 mm.

De part et d'autre de l'encoche 50, le circuit imprimé est percé de trous circulaires 5a, 5b.On either side of the notch 50, the printed circuit is pierced with circular holes 5a, 5b.

Le dispositif de raccordement comporte une mâchoire métallique fixe 2, un capot métallique 3, et des moyens de fixation 4, pour fixer la mâchoire et le capot sur le circuit 5.The connection device comprises a fixed metal jaw 2, a metal cover 3, and fixing means 4, for fixing the jaw and the cover to the circuit 5.

La mâchoire 2 est une pièce monobloc réalisée par usinage, qui peut être décrite comme étant constituée par la superposition de trois plaques accolées: une première et une deuxième plaque, 21, 22, situées de part et d'autre d'une troisième plaque, 20, et formant un U ; la troisième plaque, 20, constitue le fond de ce U et sera appelée fond dans ce qui suit. L'écart entre la première et la deuxième plaque est légèrement supérieur à l'épaisseur du circuit imprimé 5.The jaw 2 is a single piece produced by machining, which can be described as being constituted by the superposition of three joined plates: a first and a second plate, 21, 22, located on either side of a third plate, 20, and forming a U; the third plate, 20, constitutes the bottom of this U and will be called bottom in what follows. The difference between the first and the second plate is slightly greater than the thickness of the printed circuit 5.

Le fond 20 a une largeur de 3,8 mm et une longueur de 6 mm, c'est-à-dire des dimensions légèrement inférieures à la partie de l'encoche 50 réalisée dans le substrat isolant supérieur. Par contre les plaques 21, 22 ont une largeur de 10 mm et une longueur hors-tout de 9,5 mm si bien que leurs dimensions sont supérieures à celles de l'encoche 50. Dans la partie supérieure du U, là où elle n'est pas superposée au fond 20, la plaque 21 est découpée par une encoche rectangulaire 25 disposée dans le prolongement de la partie de la plaque 21 qui recouvre le fond 20; la plaque 21 présente ainsi deux languettes, une de chaque côté de l'encoche 25 et ces deux languettes sont percées respectivement de deux trous lisses 21a, 21b perpendiculaires au plan de la plaque 21. En face de ces deux trous lisses la plaque 22 est percée de deux trous filetés 22a, 22b.The bottom 20 has a width of 3.8 mm and a length of 6 mm, that is to say of dimensions slightly smaller than the part of the notch 50 produced in the upper insulating substrate. On the other hand, the plates 21, 22 have a width of 10 mm and an overall length of 9.5 mm so that their dimensions are greater than those of the notch 50. In the upper part of the U, where it n 'is not superimposed on the bottom 20, the plate 21 is cut by a rectangular notch 25 arranged in the extension of the part of the plate 21 which covers the bottom 20; the plate 21 thus has two tongues, one on each side of the notch 25 and these two tongues are pierced respectively with two smooth holes 21a, 21b perpendicular to the plane of the plate 21. Opposite these two smooth holes, the plate 22 is pierced with two threaded holes 22a, 22b.

La mâchoire 2 est percée de deux autres trous lisses 23 et 24. Le trou 23 traverse le fond 20 de part en part tandis que le trou 24 traverse la plaque 20 et débouche dans le trou 23.The jaw 2 is pierced with two other smooth holes 23 and 24. The hole 23 crosses the bottom 20 right through while the hole 24 crosses the plate 20 and opens into the hole 23.

La mâchoire 2 qui vient d'être décrite, a été conçue pour venir s'emboîter sur la partie du circuit 5 dans laquelle est découpée l'encoche 50. Quand l'emboîtage est réalisé le fond 20 est tout entier à l'intérieur de l'encoche 50 du circuit 5 tandis que l'encoche 25 de la plaque 21 de la mâchoire, constitue une ouverture qui laisse apparente la partie de la face interne du circuit 5 qui est visible grâce à l'encoche 50 et qui comporte le conducteur 53.The jaw 2 which has just been described, was designed to come to fit on the part of the circuit 5 in which the notch 50 is cut. When the fitting is made the bottom 20 is entirely inside the notch 50 of the circuit 5 while the notch 25 of the plate 21 of the jaw, constitutes an opening which leaves visible the part of the internal face of the circuit 5 which is visible thanks to the notch 50 and which comprises the conductor 53.

Sur la figure 2 qui montre, en vue de dessus, la mâchoire 2, le conducteur 53 du circuit imprimé 5, a été indiqué en traits interrompus dans la position qu'il occupe par rapport à la mâchoire 2 quand celle-ci est emboîtée. Sur cette figure a également été représenté le câble 1 déjà décrit à l'aide de la figure 1 mais qui, ici a été enfoncé dans le trou 25. Il est à remarquer que le câble 1, tel qu'il a été dénudé à son extrémité, a son conducteur externe 11 en dessous du trou 24 et son conducteur interne 10 au dessus du conducteur 53; cela permet de réaliser deux liaisons électriques: une liaison entre la mâchoire et le conducteur externe 11 grâce à de la soudure introduite par le trou 24 et une liaison, également par soudure, entre le conducteur interne 10 et le conducteur 53, cette dernière liaison étant rendue possible du fait de l'ouverture constituée par l'encoche 25. Mais cette ouverture pose un problème étant donné qu'elle laisse passer le rayonnement radioélectrique produit au niveau du conducteur 53, c'est pourquoi il est prévu un capot métallique 3 pour fermer l'ouverture 25.In Figure 2 which shows, in top view, the jaw 2, the conductor 53 of the printed circuit 5, has been indicated in broken lines in the position it occupies relative to the jaw 2 when the latter is fitted. Also shown in this figure is the cable 1 already described with the aid of FIG. 1 but which, here has been inserted into the hole 25. It should be noted that the cable 1, as it was stripped at its end, has its external conductor 11 below the hole 24 and its internal conductor 10 above the conductor 53; this allows two electrical connections to be made: a connection between the jaw and the external conductor 11 by means of solder introduced by the hole 24 and a connection, also by welding, between the internal conductor 10 and the conductor 53, this latter connection being made possible due to the opening formed by the notch 25. But this opening poses a problem since it lets through the radioelectric radiation produced at the level of the conductor 53, this is why a metal cover 3 is provided for close the opening 25.

Le capot 3 est constitué par une plaque métallique ayant la même largeur que les plaques 21 et 22 mais une longueur inférieure. Ce capot est coudé de manière à venir se plaquer non seulement sur la face de la plaque 21 opposée à la plaque 22 mais aussi sur l'extrémité de la plaque 21 située dans le haut du U. La figure 3 montre les positions respectives du circuit imprimé 5, du câble coaxial 1 de la mâchoire 2 et du capot 3 après qu'ils aient été réunis; sur cette figure il apparaît que le capot vient alors en contact, non seulement avec la mâchoire 2, mais aussi avec le plan de masse de la face externe 51 du circuit imprimé 5, réalisant ainsi une barrière efficace aux rayonnements produits au niveau du conducteur 53.The cover 3 is constituted by a metal plate having the same width as the plates 21 and 22 but a shorter length. This cover is bent so as to come to be pressed not only on the face of the plate 21 opposite to the plate 22 but also on the end of the plate 21 located at the top of the U. Figure 3 shows the respective positions of the circuit printed 5, of the coaxial cable 1 of the jaw 2 and of the cover 3 after they have been joined; in this figure it appears that the cover then comes into contact, not only with the jaw 2, but also with the ground plane of the external face 51 of the printed circuit 5, thus providing an effective barrier to the radiation produced at the level of the conductor 53 .

L'assemblage mécanique, tel qu'il est représenté sur la figure 3, ne peut pas tenir étant donné, en particulier, que le capot 3 est simplement posé sur la mâchoire 2. Pour assurer la fixation du montage selon la figure 3 il est prévu, comme il apparaît sur la figure 1, des moyens de fixation 4, constitués de deux vis 4a, 4b destinées à traverser deux trous lisses 3a, 3b du capot 3 et les paires de trous correspondantes 21a-21b, 22a-22b, 5a-5b décrites à l'aide de la figure 1; toutes ces paires de trous ont la même distance entre les axes de leurs deux trous et se trouvent exactement superposées dans l'assemblage selon la figure 3, si bien que les vis 4a, 4b peuvent facilement être introduites dans ces trous superposés pour se visser dans les trous filetés 22a, 22b de la plaque 22 de la mâchoire, solidarisant ainsi les éléments 2, 3, 5 du montage selon la figure 3.The mechanical assembly, as shown in Figure 3, can not hold given, in particular, that the cover 3 is simply placed on the jaw 2. To ensure the fixing of the assembly according to Figure 3 there are provided, as it appears in FIG. 1, fixing means 4, consisting of two screws 4a, 4b intended to pass through two smooth holes 3a, 3b of the cover 3 and the corresponding pairs of holes 21a-21b, 22a-22b , 5a-5b described with the aid of Figure 1; all these pairs of holes have the same distance between the axes of their two holes and are exactly superimposed in the assembly according to Figure 3, so that the screws 4a, 4b can easily be introduced into these superimposed holes to be screwed into the threaded holes 22a, 22b of the plate 22 of the jaw, thus joining the elements 2, 3, 5 of the assembly according to FIG. 3.

La présente invention n'est pas limitée à l'exemple décrit c'est ainsi en particulier que l'ouverture 25, au lieu d'être une encoche peut être un trou de dimensions suffisantes pour permettre d'effectuer la soudure du conducteur interne 10 sur le conducteur 53 du circuit imprimé; dans ce cas le capot n'a plus besoin d'être coudé puisque l'ouverture ne débouche pas dans le haut du U de la mâchoire et il suffit donc d'une plaque plate pour fermer une telle ouverture.The present invention is not limited to the example described, it is thus in particular that the opening 25, instead of being a notch, can be a hole of sufficient dimensions to allow the welding of the internal conductor 10 on the conductor 53 of the printed circuit; in this case the cover no longer needs to be bent since the opening does not open into the top of the U of the jaw and it therefore suffices with a flat plate to close such an opening.

De même d'autres moyens de fixation peuvent être envisagés: emboîtage à frottement dur de la mâchoire 2 sur le circuit 5, et du capot 3 sur la mâchoire 2, le capot glissant par exemple entre deux rails parallèles solidaires de la mâchoire 2.Similarly, other fastening means can be envisaged: hard friction fitting of the jaw 2 on the circuit 5, and of the cover 3 on the jaw 2, the cover sliding for example between two parallel rails integral with the jaw 2.

Claims (7)

Dispositif de raccordement pour assurer un raccordement par câble coaxial sur un circuit imprimé (5), caractérisé en ce qu'il comporte - le câble coaxial (1) dont une extrémité est dénudée pour laisser apparaître ses conducteurs interne et externe, - une pièce métallique fixe (2) en forme de U, comportant un fond et une première (21) et une deuxième (22) plaque disposées de part et d'autre du fond pour constituer les branches du U, cette pièce étant prévue pour s'emboîter sur le circuit imprimé avec les deux plaques de part et d'autre du circuit imprimé, le fond étant percé de part en part d'un trou (23), dit trou de raccordement, destiné à recevoir l'extrémité dénudée du câble avec le conducteur interne (10) qui émerge à l'intérieur du U et le conducteur externe (11) en contact avec la paroi du trou, une ouverture (25) étant découpée dans la première plaque (21) au voisinage de l'endroit où le conducteur interne émerge à l'intérieur du U, - des moyens de fixation (4) de la pièce en forme de U (2) sur le circuit imprimé (5) - et un capot métallique (3) pour recouvrir l'ouverture. Connection device for ensuring a connection by coaxial cable on a printed circuit (5), characterized in that it comprises - the coaxial cable (1), one end of which is stripped to reveal its internal and external conductors, - a fixed metal part (2) in the shape of a U, comprising a bottom and a first (21) and a second (22) plate arranged on either side of the bottom to constitute the branches of the U, this part being provided for fit onto the printed circuit with the two plates on either side of the printed circuit, the bottom being drilled right through a hole (23), said connection hole, intended to receive the stripped end of the cable with the internal conductor (10) which emerges inside the U and the external conductor (11) in contact with the wall of the hole, an opening (25) being cut in the first plate (21) in the vicinity of the place where the internal conductor emerges inside the U, - fixing means (4) of the U-shaped part (2) on the printed circuit (5) - and a metal cover (3) to cover the opening. Dispositif selon la revendication 1, caractérisé en ce que le fond comporte un trou (24), dit trou de soudage, dont les deux extrémités débouchent respectivement à l'extérieur du U et à l'intérieur du trou de raccordement (23) et en ce que de la soudure, introduite dans le trou de soudage lors du montage du dispositif, assure le contact entre la paroi du trou de raccordement et le conducteur externe (11).Device according to claim 1, characterized in that the bottom has a hole (24), said welding hole, the two ends of which open respectively outside the U and inside the connection hole (23) and in that solder, introduced into the welding hole during assembly of the device, ensures contact between the wall of the connection hole and the external conductor (11). Dispositif selon l'une des revendications précédentes, caractérisé en ce que le fond (20) est moins large que les plaques (21,22), ces dernières débordant de part et d'autre du fond.Device according to one of the preceding claims, characterized in that the bottom (20) is narrower than the plates (21,22), the latter projecting on either side of the bottom. Dispositif selon l'une des revendications précédentes, caractérisé en ce que l'ouverture (25) est une encoche qui est pratiquée dans la première plaque à partir du haut de la branche du U que constitue cette plaque et en ce que le capot (3) est une troisième plaque qui est vissée sur la pièce en forme de U (2) et qui est coudée pour constituer une paroi qui recouvre l'encoche (25), à l'opposée de la deuxième plaque (22) et à l'opposé du fond du U.Device according to one of the preceding claims, characterized in that the opening (25) is a notch which is formed in the first plate from the top of the branch of the U which this plate constitutes and in that the cover (3 ) is a third plate which is screwed onto the U-shaped part (2) and which is bent to form a wall which covers the notch (25), opposite the second plate (22) and at the opposite from the bottom of the U. Dispositif selon la revendication 1, caractérisé en ce que les moyens de fixation (4) sont constitués par des vis (4a, 4b) qui traversent au moins l'une des première et deuxième plaques.Device according to claim 1, characterized in that the fixing means (4) consist of screws (4a, 4b) which pass through at least one of the first and second plates. Dispositif selon les revendications 4 et 5, caractérisé en ce que les vis servent également à visser la troisième plaque (3) sur la pièce en forme de U (2).Device according to Claims 4 and 5, characterized in that the screws also serve to screw the third plate (3) onto the U-shaped part (2). Circuit imprimé équipé d'un dispositif selon l'une des revendications précédentes, ce circuit étant un circuit multiplaque (2) dont chacune des plaques externes comporte un plan de masse (51, 52) et dont une plaque interne comporte une piste conductrice (53), caractérisé en ce qu'il comporte une encoche (50) dans laquelle est enfoncé le fond (20) de la pièce en forme de U (2) avec les deux plaques (21, 22) de la pièce en forme de U de part et d'autre du circuit imprimé en contact avec les plans de masse, en ce que l'encoche du circuit se prolonge par une zone où le circuit est amputé d'une partie de son épaisseur, laissant voir la piste (53) et en ce que le conducteur interne (10) de l'extrémité dénudée du câble (1) est soudé sur la piste.Printed circuit equipped with a device according to one of the preceding claims, this circuit being a multi-plate circuit (2) in which each of the external plates comprises a ground plane (51, 52) and in which an internal plate comprises a conductive track (53 ), characterized in that it includes a notch (50) in which is pressed the bottom (20) of the U-shaped part (2) with the two plates (21, 22) of the U-shaped part of on either side of the printed circuit in contact with the ground planes, in that the notch of the circuit is extended by an area where the circuit is reduced by a part of its thickness, revealing the track (53) and in that the internal conductor (10) of the stripped end of the cable (1) is soldered to the track.
EP95401068A 1994-05-19 1995-05-09 Connection device for insuring the connection between a coaxim cable and a printed circuit and printed circuit equipped with such a device Withdrawn EP0683547A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9406123 1994-05-19
FR9406123A FR2720196B1 (en) 1994-05-19 1994-05-19 Connection device for ensuring a cable connection on a printed circuit and printed circuit equipped with such a device.

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EP0683547A1 true EP0683547A1 (en) 1995-11-22

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EP95401068A Withdrawn EP0683547A1 (en) 1994-05-19 1995-05-09 Connection device for insuring the connection between a coaxim cable and a printed circuit and printed circuit equipped with such a device

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US (1) US5532659A (en)
EP (1) EP0683547A1 (en)
FR (1) FR2720196B1 (en)

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FR2720196A1 (en) 1995-11-24
FR2720196B1 (en) 1996-06-21
US5532659A (en) 1996-07-02

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