EP0091867A1 - Electrical connector device with a removable, modular capacitive filter box - Google Patents

Electrical connector device with a removable, modular capacitive filter box Download PDF

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Publication number
EP0091867A1
EP0091867A1 EP83400700A EP83400700A EP0091867A1 EP 0091867 A1 EP0091867 A1 EP 0091867A1 EP 83400700 A EP83400700 A EP 83400700A EP 83400700 A EP83400700 A EP 83400700A EP 0091867 A1 EP0091867 A1 EP 0091867A1
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EP
European Patent Office
Prior art keywords
connector
block
pins
capacitive
female
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Granted
Application number
EP83400700A
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German (de)
French (fr)
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EP0091867B1 (en
Inventor
René Boutterin
Pascal Le Gal
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Eurofarad EFD SAS
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Eurofarad EFD SAS
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Application filed by Eurofarad EFD SAS filed Critical Eurofarad EFD SAS
Publication of EP0091867A1 publication Critical patent/EP0091867A1/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
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/66—Structural association with built-in electrical component
    • H01R13/719—Structural association with built-in electrical component specially adapted for high frequency, e.g. with filters
    • H01R13/7195—Structural association with built-in electrical component specially adapted for high frequency, e.g. with filters with planar filters with openings for contacts

Definitions

  • the invention relates to connectors electrically q ues, especially electrical connectors for high frequencies.
  • the present invention provides a solution to this problem of industrial production of connectors with easily adaptable capacitive filtering, under satisfactory technical and economic conditions.
  • the proposed electrical connector device is of the type comprising a first part, male or female, consisting of a metallic body of generally cylindrical shape, which houses a contact-carrying insulating block radially, with individual contact elements firmly held inside. of the insulating block, these contact elements having an end, male or female, on the side where the second part of the connector, female or male comes respectively, while means are defined defining multi-layer ceramic dielectric capacitors between at least some contacts, and a ground link including the connector body.
  • the other end of the contact elements is arranged in a female socket; opposite the second part of the connector with respect to the first, there is an additional conductive ring forming a housing for a multi-layer ceramic dielectric capacitive block, with axial metallized perforations according to the same geometry that the contact elements; and connecting pins pass through these perforations, to which they are welded to engage on the one hand in said female sockets, and on the other hand define connection pins for the conductive wires arriving on the first part of the connector.
  • a support washer is provided between the capacitive block and the block. insulator; and the pins each have a shoulder engaging exactly in a respective perforation of said support washer, which allows precise positioning of the pins without excessive stress on the capacitive pad.
  • the female sockets consist of an axial cutting of the contact elements defining at least one axial clamp in the shape of a lyre, on which is externally crimped a cylindrical collar open at its free end with a lip capable of guiding the introduction of the pin into the lyre-shaped clip.
  • a conductive washer forming a radial spring, curved with concavity towards the outside, and ensuring the ground connection between the peripheral metallization of the block and the conductive ring as well as the body. connector.
  • the connecting pins are of square cross section, and there is provided, on the other side of the capacitive pad, another washer pierced in the format of the cross section of the pins, which avoids mechanical stress excessive pavement during the installation of the conductive wires, in particular by winding.
  • the additional ring houses adjacent two capacitive blocks, the homologous metallized perforations of which are crossed by the same pins with interposition between the two blocks of means forming an inductance on at least some of the pins, which allows you to define IT filters.
  • the additional ring has on the side of the pins a wavy radial washer forming an axial spring, and urging the capacitive block (s) in stop on the contact carrier insulating block.
  • the ring is mounted axially linked and free to rotate on a threaded nut able to mesh on a homologous thread from the rear of the connector.
  • this male connector part is illustrated, the female part, not shown, being well known to those skilled in the art.
  • this male connector part is constituted as a base, that is to say as the part of the connector which is intended to be fixed on a frame , generally designated by 1.
  • the male part of the connector consists of a metallic body of generally cylindrical shape, designated by 10.
  • This body houses radially an insulating contact carrier block, designated by 12, with contact elements, designated by 11, which are firmly held inside the insulating block, in a known manner.
  • These contact elements 11 have an end which here male, but could alternatively be female, on the side where the second part of the connector comes, which is then female or male respectively.
  • Figure 2 shows in more detail one of these male contact elements.
  • the shoulder 111 comes to bear on the block 12, in order to achieve the firm maintenance of the contacts already mentioned.
  • claw-shaped members are provided on the cylindrical part 112, capable of completely immobilizing the contact element inside the insulating block 12.
  • FIG. 2 illustrates in more detail a preferred embodiment of this arrangement.
  • the central part of the contact element 11 is perforated internally, while being cut all around axially, so as to define at least one axial clamp in the shape of a lyre.
  • Figure 2 we see in Figure 2 at 113 and 114 two elements of such a lyre-shaped clamp.
  • Another clamp is here produced in a plane perpendicular to the figure, and we see one of these elements 115.
  • this part which forms the lyre clamp there is externally crimped a cylindrical collar 116, open at its free end, with a lip 117 oriented radially inwards, so as to be able to guide the introduction of a pin into the lyre-shaped clamp.
  • 118 is carried out the crimping of this collar 116 on the internal part which forms a clamp.
  • This embodiment is advantageous in what it allows an excellent contact, while leaving a certain freedom of radial play with the pin which will come to engage in the lyre.
  • the guide of the spindle is indeed achieved by the lips 117, which can advantageously be bevelled towards the opening orifice of the lyre, to further facilitate the introduction of the pins.
  • an additional conductive ring generally designated by 20, and forming housing housing for at least one capacitive block, generally designated by 22, and having a multi-layer ceramic dielectric structure.
  • this block 22 has axial metallized perforations, such as 222, which are produced according to the same geometry as those of the contact elements in the connector.
  • FIG. 3 also shows that these axial perforations such as 222 are connected to first capacitor plates 221.
  • Second capacitor plates such as 223 are connected to a peripheral metallization 224 of the capacitor block 22.
  • An alternating superposition of such plates provides the Well-known multi-layer ceramic dielectric capacitive structure. Details on the realization of such a structure can be obtained in the French patent application already cited.
  • connecting pins pass through the axial metallized perforations of the capacitive block 22, while being welded to these perforations.
  • These connecting pins have one end 240 which will engage in the female sockets already mentioned, with lyre-shaped pliers, such as 113 and 114.
  • the pins in question define connection pins for the conductive wires which will arrive in bundle on the male part of the connector.
  • these connecting pins are of square cross section, to allow the fixing of wires by "wrapping" winding.
  • a support washer 231 is provided between the capacitive block 22 and the insulating block 12.
  • This support washer is also perforated according to the geometry of the contact elements.
  • the pins such as 24 each have a shoulder 241 engaging exactly in a respective perforation of the support washer 231. This arrangement makes it possible to pre-weld the capacitive pad on all of the pins 24, the shoulder 241 coming into contact with one of the faces of the capacitive pad. Was then put in place washer 231, which will ensure excellent radial retention of the pins in position.
  • the additional ring 20 which forms the housing for the capacitive pad has an internal peripheral recess flat, in which is housed a conductive washer 250 forming a radial spring, which comes to press on the peripheral metallization 224 of the capacitive pad.
  • the washer 250 is preferably made curved with its concavity facing outwards. This creates the connection of ground between the peripheral metallization 224 of the block and the conductive ring 20, as well as the connector body as a whole. Most of the time, as described in the French patent application already cited, one of the contact elements of the connector will also be connected to ground. The corresponding perforation in the capacitive block will then be connected directly to the frames 223, without having its own frames such as 221 ( Figure 3).
  • the additional ring 20 has a radial shoulder facing the interior 201, which serves to maintain a radial washer forming an axial spring.
  • This corrugated washer designated by 260, urges the capacitive block 22 in abutment on the contact carrier insulating block. If necessary, the residual opening on the rear face of the ring 20 is closed by a suitable supply of a sealing resin.
  • the entire assembly contained inside the additional ring 20 is mounted separately, at the level of the manufacturer of the multi-layer dielectric capacitive block, this assembly comprising the ring 20 itself, and all that is between the internal support washer 231, and the spring washer 260 with the possible sealing resin.
  • a threaded nut 30 is mounted on the ring 20.
  • the nut is mounted axially linked to the ring, by a peripheral ring 31 forming a shoulder, while remaining free to rotate relative to said ring.
  • the nut 30 has a threaded portion 32 capable of meshing with the homologous thread 103 from the rear of the connector.
  • FIG. 4 illustrates a second embodiment of the invention, in which provision is made for capacitive filtering in TI for the connector pins, instead of the simple capacitive filtering in FIG. 1.
  • FIG. 4 shows a flange 104 with a seal 105 on one side of the wall of fixing 1, while on the other is provided a nut 102 engaging on the thread 101 of the connector. This details the positioning of the base on the frame 1, and may also be applicable in FIG. 1.
  • FIG. 4 The rest of the modifications appearing in FIG. 4 concern the interior of the additional ring 20.
  • a first washer 231 followed by the capacitive pad 22, the external metallization of which is in contact via the domed spring 250 with the conductive ring 20.
  • the capacitive block 22 is here followed to the right of a ferrite element 270, associated with a holding member 233, which defines around the pin 243 an inductance, in a manner known from skilled in the art.
  • This set is followed by a second capacitive block 28, generally arranged like the first, but with a possibly different capacity value. Again, internal metallizations to the perforations are welded to the pins 242, while the peripheral metallization of the block 28 is connected by a washer 255 similar to the washer 250 to the external conductive ring 20.
  • the washer 232 provided with perforations with a square cross section, to exactly accommodate the square cross section of the pins 242.
  • the spring 260 ensures the axial pressurization of the assembly, so that the pins 240 enter well inside the female sockets of the contact elements.

Abstract

1. Electrical connector device of the type comprising a first male or female part consisting of a metal body (10) of general cylindrical shape which radially houses a contact-carrier insulating block (12), with individual contact elements (11) firmly held inside the insulating block (12), these contact elements (11) having a male or female end (110) on the side where the second respectively male or female part of the connector comes, and this metal body receiving, opposite the Second part of the connector in relation to the first, an additional conductor ring (20), while there is provided at least one capacitive block (22) with multilayer ceramic dielectric and with metallized axial perforations (222) following the same geometry as the contact elements, this device also comprising an earth connection including the body (10) of the connector, characterized by the fact that : - the other end of the contact elements (113, 117) is arranged as a female socket ; the capacitive block (22) is housed in the additional conductor ring (20) ; - and that connecting pins (24) pass into the axial perforations in the capacitive block and are welded thereto, in order on the one hand to engage in said female sockets and on the other hand to define connecting pins (242) for the conductor wires arriving on the first part of the connector.

Description

L'invention concerne les connecteurs électri- ques, en particulier les connecteurs électriques pour hautes fréquences.The invention relates to connectors electrically q ues, especially electrical connectors for high frequencies.

On sait qu'il est avantageux de prévoir un filtrage capacitif entre les éléments de contact d'un connecteur et la masse, dans l'une des deux parties, mâle et femelle, du connecteur. La demanderesse a déjà proposé un connecteur équipé d'un tel filtrage capacitif, réalisé sous la forme de condensateurs à diélectrique céramique multi-couches, fritté à haute température (demande de brevet français N° 78 10 242, publiée sous le numéro FR 2 422 268).We know that it is advantageous to provide a capacitive filtering between the contact elements of a connector and the mass, in one of the two parts, male and female, of the connector. The Applicant has already proposed a connector equipped with such capacitive filtering, produced in the form of multi-layer ceramic dielectric capacitors, sintered at high temperature (French patent application No. 78 10 242, published under the number FR 2 422 268).

La disposition proposée s'est avérée intéressante. Toutefois, sont apparus des problèmes supplémentaires, lorsqu'il s'agit de fabriquer en série des connecteurs à nombre élevé d'éléments de contacts. En effet, le problème de base est alors de réaliser un connecteur électromécaniquement fiable au niveau de la liaison à chaque paire de contacts mâle et femelle. Sur ce problème, soluble à lui seul, vient se greffer celui de la réalisation de condensateurs céramique multi-couches qui soient non seulement en eux-mêmes satisfaisants (problème également soluble à lui seul), mais aussi capables de tenir devant les contraintes électromécaniques rencontrées aussi bien lors de leur montage sur le connecteur que, par la suite, en service (lors du branchement des fils conducteurs sur le connecteur notamment). En d'autres termes, des difficultés demeurent pour rendre compatibles les problèmes liés au connecteur et ceux liés aux condensateurs à diélectrique céramique multi-couches. De plus, le même connecteur aura souvent à recevoir des filtrages capacitifs différents, suivant les applications. Enfin, l'une des techniques courantes pour relier les faisceaux de fils conducteurs à un connecteur est l'enroulement ("wrapping"). L'homme de l'art sait que cette technique engendre des contraintes mécaniques non négligeables.The proposed arrangement proved to be interesting. However, additional problems have arisen when it comes to mass production of connectors with a high number of contact elements. Indeed, the basic problem is then to produce an electromechanically reliable connector at the level of the connection to each pair of male and female contacts. To this problem, which is soluble in itself, is grafted that of the production of multi-layer ceramic capacitors which are not only in themselves satisfactory (problem also soluble in itself), but also capable of withstanding the electromechanical constraints encountered. as well during their mounting on the connector as, subsequently, in service (during the connection of the conductive wires on the connector in particular). In other words, difficulties remain to make compatible the problems linked to the connector and those linked to multi-layer ceramic dielectric capacitors. In addition, the same connector will often have to receive different capacitive filtering, depending on the applications. Finally, one of the common techniques for connecting bundles of conductive wires to a connector is winding ("wrapping"). The man art knows that this technique generates significant mechanical stresses.

La présente invention vient apporter une solution à ce problème de réalisation industrielle de connecteurs avec filtrage capacitif aisément adaptable, à des conditions technico-économiques satisfaisantes.The present invention provides a solution to this problem of industrial production of connectors with easily adaptable capacitive filtering, under satisfactory technical and economic conditions.

Le dispositif connecteur électrique proposé est du type comprenant une première partie, mâle ou femelle, constituée d'un corps métallique de forme générale cylindrique, qui loge radialement un bloc isolant porte-contacts, avec des éléments de contact individuels fermement maintenus à l'intérieur du bloc isolant, ces éléments de contact possédant une extrémité, mâle ou femelle, du côté où vient la seconde partie du connecteur, femelle ou mâle respectivement, tandis que sont prévus des moyens définissant des condensateurs à diélectrique céramique multi-couches entre certains au moins des contacts, et une liaison de masse comprenant le corps du connecteur.The proposed electrical connector device is of the type comprising a first part, male or female, consisting of a metallic body of generally cylindrical shape, which houses a contact-carrying insulating block radially, with individual contact elements firmly held inside. of the insulating block, these contact elements having an end, male or female, on the side where the second part of the connector, female or male comes respectively, while means are defined defining multi-layer ceramic dielectric capacitors between at least some contacts, and a ground link including the connector body.

Selon l'invention, l'autre extrémité des éléments de contact est agencée en douille femelle ; il est prévu, à l'opposé de la seconde partie du connecteur par rapport à la première, une bague additionnelle conductrice formant boîtier de logement d'un pavé-capacitif à diélectrique céramique multi-couches, avec des perforations métallisées axiales selon la même géométrie que les éléments de contact ; et des broches de liaison passent dans ces perforations, auxquelles elles sont soudées pour s'engager d'une part dans lesdites douilles femelles, et définir d'autre part des picots de liaison pour les fils conducteurs arrivant sur la première partie du connecteur.According to the invention, the other end of the contact elements is arranged in a female socket; opposite the second part of the connector with respect to the first, there is an additional conductive ring forming a housing for a multi-layer ceramic dielectric capacitive block, with axial metallized perforations according to the same geometry that the contact elements; and connecting pins pass through these perforations, to which they are welded to engage on the one hand in said female sockets, and on the other hand define connection pins for the conductive wires arriving on the first part of the connector.

Très avantageusement, il est prévu une rondelle d'appui entre le pavé-capacitif et le bloc isolant ; et les broches comportent chacune un épaulement s'engageant exactement dans une perforation respective de ladite rondelle d'appui, ce qui permet un positionnement précis des broches sans sollicitation excessive du pavé-capacitif.Very advantageously, a support washer is provided between the capacitive block and the block. insulator; and the pins each have a shoulder engaging exactly in a respective perforation of said support washer, which allows precise positioning of the pins without excessive stress on the capacitive pad.

Dans un mode de réalisation intéressant les douilles femelles se composent d'un découpage axial des éléments de contact définissant au moins une pince axiale en forme de lyre, sur laquelle est serti extérieurement un collet cylindrique ouvert à son extrémité libre avec une lèvre apte à guider l'introduction de la broche dans la pince en forme de lyre.In an interesting embodiment, the female sockets consist of an axial cutting of the contact elements defining at least one axial clamp in the shape of a lyre, on which is externally crimped a cylindrical collar open at its free end with a lip capable of guiding the introduction of the pin into the lyre-shaped clip.

De préférence, il est prévu entre la bague additionnelle et le pavé-capacitif une rondelle conductrice formant ressort radial, bombée avec concavité vers l'extérieur, et assurant la liaison de masse entre la métallisation périphérique du pavé et la bague conductrice ainsi que le corps de connecteur.Preferably, there is provided between the additional ring and the capacitive block a conductive washer forming a radial spring, curved with concavity towards the outside, and ensuring the ground connection between the peripheral metallization of the block and the conductive ring as well as the body. connector.

Dans un mode de réalisation avantageux, les picots de liaison sont de section droite carrée, et il est prévu, de l'autre côté du pavé-capacitif une autre rondelle percée au format de la section droite des picots, ce qui évite une sollicitation mécanique excessive du pavé lors de la mise en place des fils conducteurs, en particulier par enroulement.In an advantageous embodiment, the connecting pins are of square cross section, and there is provided, on the other side of the capacitive pad, another washer pierced in the format of the cross section of the pins, which avoids mechanical stress excessive pavement during the installation of the conductive wires, in particular by winding.

Selon un autre mode de réalisation de l'invention, la bague additionnelle loge de façon adjacente deux pavés-capacitifs dont les perforations métallisées homologues sont traversées par les mêmes broches avec interposition entre les deux pavés de moyens formant inductance sur certaines au moins des broches, ce qui permet de définir des filtres en TI.According to another embodiment of the invention, the additional ring houses adjacent two capacitive blocks, the homologous metallized perforations of which are crossed by the same pins with interposition between the two blocks of means forming an inductance on at least some of the pins, which allows you to define IT filters.

De préférence, la bague additionnelle comporte du côté des picots une rondelle radiale ondulée formant ressort axial, et sollicitant le ou les pavés-capacitifs en butée sur le bloc isolant porte-contacts.Preferably, the additional ring has on the side of the pins a wavy radial washer forming an axial spring, and urging the capacitive block (s) in stop on the contact carrier insulating block.

D'une manière également avantageuse, la bague est montée liée axialement et libre en rotation sur un écrou fileté apte à engrener sur un filetage homologue de l'arrière du connecteur.Also advantageously, the ring is mounted axially linked and free to rotate on a threaded nut able to mesh on a homologous thread from the rear of the connector.

D'autres caractéristiques et avantages de l'invention apparaîtront à la lecture de la description détaillée qui va suivre, ainsi que sur les dessins annexés, qui illustrent deux modes de réalisation de la présente invention, respectivement avec un filtre capacitif simple et avec un filtre en TI. Sur les dessins :

  • - la figure 1 illustre, sous forme de vue en demi-coupe, un mode de réalisation de l'invention avec filtrage capacitif simple ;
  • - la figure 2 est une vue partielle illustrant plus en détail un élément de contact tel que 11 de la figure 1;
  • - la figure 3 est une vue en coupe schématique illustrant un mode de réalisation du pavé-capacitif à diélectrique céramique multi-couches de la figure 1; et
  • - la figure 4 est une vue en demi-coupe du second mode de réalisation de l'invention avec filtrage en
    Figure imgb0001
    .
Other characteristics and advantages of the invention will appear on reading the detailed description which follows, as well as in the appended drawings, which illustrate two embodiments of the present invention, respectively with a simple capacitive filter and with a filter. in IT. In the drawings:
  • - Figure 1 illustrates, in the form of a half-section view, an embodiment of the invention with simple capacitive filtering;
  • - Figure 2 is a partial view illustrating in more detail a contact element such as 11 of Figure 1;
  • - Figure 3 is a schematic sectional view illustrating an embodiment of the multi-layer ceramic dielectric capacitive block of Figure 1; and
  • - Figure 4 is a half-section view of the second embodiment of the invention with filtering
    Figure imgb0001
    .

Sur la figure 1, est illustrée une partie mâle de connecteur, la partie femelle, non représentée, étant bien connue de l'homme de l'art. Dans le mode de réalisation préférentiel de l'invention qui se trouve illustré ci-après, cette partie mâle de connecteur est constituée comme une embase, c'est-à-dire comme la partie du connecteur qui est destinée à se fixer sur un bâti, désigné généralement par 1.In FIG. 1, a male connector part is illustrated, the female part, not shown, being well known to those skilled in the art. In the preferred embodiment of the invention which is illustrated below, this male connector part is constituted as a base, that is to say as the part of the connector which is intended to be fixed on a frame , generally designated by 1.

La partie mâle du connecteur est constituée d'un corps métallique de forme générale cylindrique, désigné par 10. Ce corps loge radialement un bloc isolant porte-contacts, désigné par 12, avec des éléments de contact, désignés par 11, qui sont fermement maintenus à l'intérieur du bloc isolant, d'une manière connue. Ces éléments de contact 11 possèdent une extrémité qui ici mâle, mais pourrait en variante être femelle, du côté où vient la seconde partie du connecteur, qui est alors femelle ou mâle respectivement.The male part of the connector consists of a metallic body of generally cylindrical shape, designated by 10. This body houses radially an insulating contact carrier block, designated by 12, with contact elements, designated by 11, which are firmly held inside the insulating block, in a known manner. These contact elements 11 have an end which here male, but could alternatively be female, on the side where the second part of the connector comes, which is then female or male respectively.

La figure 2 montre plus en détail l'un de ces éléments de contact mâles. On distingue en 110 la partie de contact proprement dite, et cette partie est suivie d'un épaulement 111, puis d'une partie généralement cylindrique 112, qui vient s'insérer dans le bloc isolant. L'épaulement 111 vient en appui sur le bloc 12, afin de réaliser le maintien ferme des contacts déjà cités. En variante, sont prévus sur la partie cylindrique 112 des organes formant griffe, aptes à immobiliser totalement l'élément de contact à l'intérieur du bloc isolant 12.Figure 2 shows in more detail one of these male contact elements. A distinction is made at 110 the contact part proper, and this part is followed by a shoulder 111, then by a generally cylindrical part 112, which is inserted into the insulating block. The shoulder 111 comes to bear on the block 12, in order to achieve the firm maintenance of the contacts already mentioned. As a variant, claw-shaped members are provided on the cylindrical part 112, capable of completely immobilizing the contact element inside the insulating block 12.

L'autre extrémité des éléments de contact est agencée en douille femelle. La figure 2 illustre plus en détail une réalisation préférentielle de cet agencement. On voit que la partie centrale de l'élément de contact 11 est perforée intérieurement, tout en étant découpée tout autour axialement, de façon à définir au moins une pince axiale en forme de lyre. On voit sur la figure 2 en 113 et 114 deux éléments d'une telle pince en forme de lyre. Une autre pince est ici réalisée dans un plan perpendiculaire à la figure, et on voit un de ces éléments 115. Autour de cette partie qui forme la pince à lyre, se trouve serti extérieurement un collet cylindrique 116, ouvert à son extrémité libre, avec une lèvre 117 orientée radialement vers l'intérieur, de façon à pouvoir guider l'introduction d'une broche dans la pince en forme de lyre. En 118 est réalisé le sertissage de ce collet 116 sur la partie interne qui forme pince. Ce mode de réalisation est avantageux en ce qu'il permet un excellent contact, tout en laissant une certaine liberté de jeu radial à la broche qui va venir s'engager dans la lyre. On notera également que le guidage de la broche est bien réalisé par les lèvres 117, qui peuvent être avantageusement biseautées vers l'orifice d'ouverture de la lyre, pour faciliter encore l'introduction des broches.The other end of the contact elements is arranged in a female socket. Figure 2 illustrates in more detail a preferred embodiment of this arrangement. We see that the central part of the contact element 11 is perforated internally, while being cut all around axially, so as to define at least one axial clamp in the shape of a lyre. We see in Figure 2 at 113 and 114 two elements of such a lyre-shaped clamp. Another clamp is here produced in a plane perpendicular to the figure, and we see one of these elements 115. Around this part which forms the lyre clamp, there is externally crimped a cylindrical collar 116, open at its free end, with a lip 117 oriented radially inwards, so as to be able to guide the introduction of a pin into the lyre-shaped clamp. In 118 is carried out the crimping of this collar 116 on the internal part which forms a clamp. This embodiment is advantageous in what it allows an excellent contact, while leaving a certain freedom of radial play with the pin which will come to engage in the lyre. It will also be noted that the guide of the spindle is indeed achieved by the lips 117, which can advantageously be bevelled towards the opening orifice of the lyre, to further facilitate the introduction of the pins.

Sur la partie mâle de connecteur elle-même, à l'opposé de sa seconde partie femelle, est montée une bague additionnelle conductrice, désignée généralement par 20, et formant boîtier de logement pour au moins un pavé-capacitif, désigné généralement par 22, et possédant une structure diélectrique céramique multi-couches.On the male connector part itself, opposite its second female part, is mounted an additional conductive ring, generally designated by 20, and forming housing housing for at least one capacitive block, generally designated by 22, and having a multi-layer ceramic dielectric structure.

Comme le montre la figure 3, ce pavé 22 possède des perforations métallisées axiales, telles que 222, qui sont réalisées selon la même géométrie que celles des éléments de contact dans le connecteur. La figure 3 montre également que ces perforations axiales telles que 222 sont reliées à de premières armatures de condensateur 221. De secondes armatures de condensateur telles que 223 sont reliées à une métallisation périphérique 224 du pavé condensateur 22. Une superposition alternée de telles armatures fournit la structure capacitive à diélectrique céramique multi-couches bien connue. Des détails sur la réalisation d'une telle structure pourront être obtenus dans la demande de brevet français déjà citée.As shown in FIG. 3, this block 22 has axial metallized perforations, such as 222, which are produced according to the same geometry as those of the contact elements in the connector. FIG. 3 also shows that these axial perforations such as 222 are connected to first capacitor plates 221. Second capacitor plates such as 223 are connected to a peripheral metallization 224 of the capacitor block 22. An alternating superposition of such plates provides the Well-known multi-layer ceramic dielectric capacitive structure. Details on the realization of such a structure can be obtained in the French patent application already cited.

Revenant maintenant à la figure 1, on voit que des broches de liaison, désignées généralement par 24, passent dans les perforations métallisées axiales du pavé-capacitif 22, tout en étant soudées à ces perforations. Ces broches de liaison possèdent une extrémité 240 qui va venir s'engager dans les douilles femelles déjà citées, à pince en forme de lyre, telles que 113 et 114. A l'autre extrémité, les broches en question définissent des picots de liaison pour les fils conducteurs qui vont arriver en faisceau sur la partie mâle du connecteur. Très avantageusement, ces picots de liaison sont de section droite carrée, pour permettre la fixation de fils par enroulement "wrapping".Returning now to FIG. 1, it can be seen that connecting pins, generally designated by 24, pass through the axial metallized perforations of the capacitive block 22, while being welded to these perforations. These connecting pins have one end 240 which will engage in the female sockets already mentioned, with lyre-shaped pliers, such as 113 and 114. At the other end, the pins in question define connection pins for the conductive wires which will arrive in bundle on the male part of the connector. Very advantageously, these connecting pins are of square cross section, to allow the fixing of wires by "wrapping" winding.

Il est prévu une rondelle d'appui 231 entre le pavé-capacitif 22 et le bloc isolant 12. Cette rondelle d'appui est elle aussi perforée suivant la géométrie des éléments de contact. Et les broches telles que 24 comportent chacune un épaulement 241 s'engageant exactement dans une perforation respective de la rondelle d'appui 231. Cette disposition permet de souder au préalable le pavé-capacitif sur l'ensemble des broches 24, l'épaulement 241 venant au contact de l'une des faces du pavé-capacitif. On met ensuite en place là rondelle 231, qui va permettre d'assurer un excellent maintien radial des broches en position.A support washer 231 is provided between the capacitive block 22 and the insulating block 12. This support washer is also perforated according to the geometry of the contact elements. And the pins such as 24 each have a shoulder 241 engaging exactly in a respective perforation of the support washer 231. This arrangement makes it possible to pre-weld the capacitive pad on all of the pins 24, the shoulder 241 coming into contact with one of the faces of the capacitive pad. Was then put in place washer 231, which will ensure excellent radial retention of the pins in position.

De l'autre côté du pavé-capacitif 22, on met en place une autre rondelle 232, qui est perforée elle aussi à la même géométrie, mais par des perforations de section carrée, qui permettent de maintenir à l'encontre de la rotation les picots de liaison de section carrée précités. C'est donc cette rondelle 232 qui va recevoir la majeure partie des efforts de rotation rencontrée lors de la mise en place de fils conducteurs par enroulement sur l'extrémité libre 242 des picots.On the other side of the capacitive block 22, another washer 232 is put in place, which is also perforated to the same geometry, but by perforations of square section, which make it possible to maintain against rotation the aforementioned square section connecting pins. It is therefore this washer 232 which will receive the major part of the rotational forces encountered during the installation of conductive wires by winding on the free end 242 of the pins.

La bague additionnelle 20 qui forme boîtier de logement pour le pavé-capacitif comporte intérieurement un évidement périphérique plat, dans lequel se logertune rondelle conductrice 250 formant ressort radial, qui vient appuyer sur la métallisation périphérique 224 du pavé-capacitif. La rondelle 250 est de préférence réalisée bombée avec sa concavité tournée vers l'extérieur. On réalise ainsi la liaison de masse entre la métallisation périphérique 224 du pavé et la bague conductrice 20, ainsi que le corps de connecteur dans son ensemble. La plupart du temps, comme cela est décrit dans la demande de brevet français déjà citée, l'un des éléments de contact du connecteur sera également relié à la masse. La perforation correspondante dans le pavé-capacitif se trouvera alors reliée directement aux armatures 223, sans posséder d'armatures propres telles que 221 (figure 3).The additional ring 20 which forms the housing for the capacitive pad has an internal peripheral recess flat, in which is housed a conductive washer 250 forming a radial spring, which comes to press on the peripheral metallization 224 of the capacitive pad. The washer 250 is preferably made curved with its concavity facing outwards. This creates the connection of ground between the peripheral metallization 224 of the block and the conductive ring 20, as well as the connector body as a whole. Most of the time, as described in the French patent application already cited, one of the contact elements of the connector will also be connected to ground. The corresponding perforation in the capacitive block will then be connected directly to the frames 223, without having its own frames such as 221 (Figure 3).

Enfin, du côté des picots 242, la bague additionnelle 20 comporte un épaulement radial tourné vei- l'intérieur 201, qui sert à maintenir une rondelle radiale formant ressort axial. Cette rondelle ondulée,désignée par 260, vient solliciter le pavé-capacitif 22 en butée sur le bloc isolant porte-contacts. Si nécessaire, l'ouverture résiduelle sur la face arrière de la bague 20 est fermée par un apport convenable d'une résine d'obturation.Finally, on the side of the pins 242, the additional ring 20 has a radial shoulder facing the interior 201, which serves to maintain a radial washer forming an axial spring. This corrugated washer, designated by 260, urges the capacitive block 22 in abutment on the contact carrier insulating block. If necessary, the residual opening on the rear face of the ring 20 is closed by a suitable supply of a sealing resin.

En pratique, tout l'ensemble contenu à l'intérieur de la bague additionnelle 20 est monté séparément, au niveau du fabriquant du pavé-capacitif à diélectrique multi-couches, cet ensemble comprenant la bague 20 elle-même, et tout ce qui est compris entre la rondelle interne 231 d'appui, et la rondelle ressort 260 avec la résine de bouchage éventuelle.In practice, the entire assembly contained inside the additional ring 20 is mounted separately, at the level of the manufacturer of the multi-layer dielectric capacitive block, this assembly comprising the ring 20 itself, and all that is between the internal support washer 231, and the spring washer 260 with the possible sealing resin.

Le reste du connecteur est fabriqué de manière traditionnelle. Au lieu des éléments de contact 11 qui portent du côté de l'arrière du connecteur une partie mâle, on place des éléments de contact à partie arrière femelle, du type de ce qui est illustré sur la figure 2. Cette partie électromécanique du connecteur est donc fabriquée de manière classique.The rest of the connector is traditionally made. Instead of the contact elements 11 which carry a male part on the rear side of the connector, contact elements with a female rear part are placed, of the type of what is illustrated in FIG. 2. This electromechanical part of the connector is therefore manufactured in a conventional manner.

On observera par ailleurs que sur la bague 20 vient se monter un écrou fileté 30. L'écrou est monté lié axialement à la bague, par un anneau périphérique 31 formant épaulement, tout en demeurant libre en rotation par rapport à ladite bague. A son autre extrémité, l'écrou 30 comporte une partie filetée 32 apte à engrener sur le filetage homologue 103 de l'arrière du connecteur.It will also be observed that a threaded nut 30 is mounted on the ring 20. The nut is mounted axially linked to the ring, by a peripheral ring 31 forming a shoulder, while remaining free to rotate relative to said ring. At its other end, the nut 30 has a threaded portion 32 capable of meshing with the homologous thread 103 from the rear of the connector.

L'homme de l'art comprendra maintenant que les parties avant 240 des broches individuelles dépassant de la bague additionnelle 20 vont s'engager progressivement à l'intérieur des douilles femelles définies à l'arrière des éléments de contact 11, au fur et à mesure que l'écrou 30 est vissé sur le filetage 103. Cette disposition présente l'avantage importante que la mise en place de la partie capacitive sur le connecteur s'effectue pratiquement sans contrainte mécanique. De plus, on peut mettre en place à volonté toute valeur de capacité sans avoir à modifier la structure du connecteur lui-même, autrement que par échange de ces éléments de contact. Enfin et surtout, lorsque par la suite on doit fixer des fils par enroulement ou "wrapping", les efforts consécutifs à cette fixation sont repris par la rondelle arrière 232, et ne viendront donc pas risquer de perturber la liaison entre les douilles 24 et le pavé-capacitif ni l'élément de contact 11.Those skilled in the art will now understand that the front parts 240 of the individual pins projecting from the additional ring 20 will progressively engage inside the female sockets defined at the rear of the contact elements 11, as and when as the nut 30 is screwed onto the thread 103. This arrangement has the important advantage that the installation of the capacitive part on the connector is carried out practically without mechanical stress. In addition, any capacity value can be set up at will without having to modify the structure of the connector itself, other than by exchanging these contact elements. Finally and above all, when thereafter it is necessary to fix wires by winding or "wrapping", the forces consecutive to this fixing are taken up by the rear washer 232, and therefore will not come to risk disturbing the connection between the sockets 24 and the capacitive pad or contact element 11.

La figure 4 illustre un second mode de réalisation de l'invention, dans lequel on prévoit un filtrage capacitif en TI pour les broches de connecteur, au lieu de filtrage capacitif simple de la figure 1.FIG. 4 illustrates a second embodiment of the invention, in which provision is made for capacitive filtering in TI for the connector pins, instead of the simple capacitive filtering in FIG. 1.

En ce qui concerne le connecteur lui-même, la structure peut être la même que celle de la figure 1. On observera simplement que la figure 4 fait apparaître une bride 104 avec un joint d'étanchéité 105 d'un côté de la paroi de fixation 1, tandis que de l'autre est prévu un écrou 102 venant en prise sur le filetage 101 du connecteur. Ceci détaille la mise en place de l'embase sur le bâti 1, et peut être également applicable à la figure 1.As regards the connector itself, the structure can be the same as that of FIG. 1. It will simply be observed that FIG. 4 shows a flange 104 with a seal 105 on one side of the wall of fixing 1, while on the other is provided a nut 102 engaging on the thread 101 of the connector. This details the positioning of the base on the frame 1, and may also be applicable in FIG. 1.

Le reste des modifications apparaissant sur la figure 4 intéressent l'intérieur de la bague additionnelle 20. On retrouve comme précédemment une première rondelle 231, suivie du pavé-capacitif 22, dont la métallisation externe est en contact par l'intermédiaire du ressort bombé 250 avec la bague conductrice 20. Le pavé-capacitif 22 est ici suivi à droite d'un élément en ferrite 270, associé à un organe de maintien 233, ce qui définit autour du picot 243 une inductance, d'une manière connue de l'homme de l'art.The rest of the modifications appearing in FIG. 4 concern the interior of the additional ring 20. We find, as before, a first washer 231, followed by the capacitive pad 22, the external metallization of which is in contact via the domed spring 250 with the conductive ring 20. The capacitive block 22 is here followed to the right of a ferrite element 270, associated with a holding member 233, which defines around the pin 243 an inductance, in a manner known from skilled in the art.

Cet ensemble est suivi d'un second pavé-capacitif 28, agencé généralement comme le premier, mais avec une valeur de capacité éventuellement différente. Là encore, des métallisations internes aux perforations sont soudées aux picots 242, tandis que la métallisation périphérique du pavé 28 est reliée par une rondelle 255 semblable à la rondelle 250 à la bague externe conductrice 20.This set is followed by a second capacitive block 28, generally arranged like the first, but with a possibly different capacity value. Again, internal metallizations to the perforations are welded to the pins 242, while the peripheral metallization of the block 28 is connected by a washer 255 similar to the washer 250 to the external conductive ring 20.

Enfin, on retrouve la rondelle 232, munie de perforations à section droite carrée, pour loger exactement la section droite carrée des picots 242. Enfin, le ressort 260 assure la mise en pression axiale de l'ensemble, pour que les picots 240 entrent bien à l'intérieur des douilles femelles des éléments de contact.Finally, there is the washer 232, provided with perforations with a square cross section, to exactly accommodate the square cross section of the pins 242. Finally, the spring 260 ensures the axial pressurization of the assembly, so that the pins 240 enter well inside the female sockets of the contact elements.

Bien entendu, la présente invention n'est pas limitée aux modes de réalisation décrits, mais s'étend à toute variante inscrite à l'intérieur du cadre des revendications ci-après.Of course, the present invention is not limited to the embodiments described, but extends to any variant included within the scope of the claims below.

Claims (8)

1 - Dispositif connecteur électrique, du type comprenant une première partie, mâle ou femelle, constituée d'un corps métallique (10) de forme générale cylindrique, qui loge radialement un bloc isolant porte-contacts (12), avec des éléments de contact individuels (11) fermement maintenus à l'intérieur du bloc isolant (12), ces éléments de contact (11) possédant une extrémité (110), mâle ou femelle, du côté où vient la seconde partie du connecteur, femelle ou mâle respectivement, tandis que sont prévus des moyens (22) définissant des condensateurs à diélectrique céramique multi-couches entre certains au moins des contacts, et une liaison de masse comprenant le corps (10) du connecteur, caractérisé par le fait que l'autre extrémité des éléments de contact (113, 117) est agencée en douille femelle, par le fait qu'il est prévu, à l'opposé de la seconde partie du connecteur par rapport à la première, une bague additionnelle conductrice (20), formant boîtier de logement d'un pavé capacitif (22) à diélectrique céramique multi-couches, avec des perforations métallisées axiales (222) selon la même géométrie que les éléments de contact (11), et par le fait que des broches de liaison (24) passent dans ces perforations, auxquelles elles sont soudées pour s'engager d'une part dans lesdites douilles femelles, et définir d'autre part des picots de liaison (242) pour les fils conducteurs arrivant sur la première partie du connecteur.1 - Electrical connector device, of the type comprising a first part, male or female, consisting of a metallic body (10) of generally cylindrical shape, which houses radially an insulating contact carrier block (12), with individual contact elements (11) firmly held inside the insulating block (12), these contact elements (11) having one end (110), male or female, on the side where the second part of the connector comes, female or male respectively, while that means (22) are provided defining multi-layer ceramic dielectric capacitors between at least some of the contacts, and a ground connection comprising the body (10) of the connector, characterized in that the other end of the elements contact (113, 117) is arranged in a female socket, by the fact that there is provided, opposite the second part of the connector with respect to the first, an additional conductive ring (20), forming housing housing d '' a capacitive block (2 2) with multi-layer ceramic dielectric, with axial metallized perforations (222) according to the same geometry as the contact elements (11), and by the fact that connecting pins (24) pass through these perforations, to which they are soldered to engage on the one hand in said female sockets, and on the other hand define connection pins (242) for the conducting wires arriving on the first part of the connector. 2 - Dispositif selon la revendication 1, caractérisé par le fait qu'il est prévu une rondelle d'appui (231) entre le pavé-capacitif (22) et le bloc isolant (12), et que les broches (24) comportent chacune un épaulement (241) s'engageant exactement dans une per- foration respective de ladite rondelle d'appui (231), ce qui permet un positionnement précis des broches sans sollicitation excessive du pavé-capacitif.2 - Device according to claim 1, characterized in that there is provided a support washer (231) between the capacitive pad (22) and the insulating block (12), and that the pins (24) each include a shoulder (241) engaging exactly in a p er- respective one of said support washer drilling (231), which allows precise positioning of the pins without excessive stress on the capacitive pad. 3 - Dispositif selon l'une des revendications 1 et 2, caractérisé par le fait que les douilles femelles se composent d'un découpage axial des éléments de contact définissant au moins une pince axiale en forme de lyre (113, 114, 115), sur laquelle est serti (118) extérieurement un collet cylindrique (116) ouvert à son extrémité libre avec une lèvre (117) apte à guider l'introduction de la broche dans la pince en forme de lyre (113, 114, 115).3 - Device according to one of claims 1 and 2, characterized in that the female sockets consist of an axial cutting of the contact elements defining at least one axial clamp in the form of a lyre (113, 114, 115), on which is externally crimped (118) a cylindrical collar (116) open at its free end with a lip (117) capable of guiding the introduction of the pin into the lyre-shaped clamp (113, 114, 115). 4 - Dispositif selon l'une des revendications 1 à 3, caractérisé par le fait qu'il est prévu entre la bague additionnelle (20) et le pavé-capacitif (22) une rondelle conductrice (250) formant ressort radial, bombée avec concavité vers l'extérieur, et assurant la liaison de masse entre la métallisation périphérique (224) du pavé et la bague conductrice (20) ainsi que le corps de connecteur (10).4 - Device according to one of claims 1 to 3, characterized in that there is provided between the additional ring (20) and the capacitive pad (22) a conductive washer (250) forming a radial spring, curved with concavity outwards, and ensuring the ground connection between the peripheral metallization (224) of the block and the conductive ring (20) as well as the connector body (10). 5 - Dispositif selon l'une des revendications 1 à 4, caractérisé par le fait que les picots de liaison (242) sont de section droite carrée, et qu'il est prévu, de l'autre côté du pavé-capacitif (22) une autre rondelle (232) percée au format de la section droite des picots, ce qui évite une sollicitation mécanique excessive du pavé lors de la mise en place des fils conducteurs, en particulier par enroulement.5 - Device according to one of claims 1 to 4, characterized in that the connecting pins (242) are of square cross section, and that it is provided on the other side of the capacitive block (22) another washer (232) pierced in the format of the straight section of the pins, which avoids excessive mechanical stress on the block when the conducting wires are put in place, in particular by winding. 6 - Dispositif selon l'une des revendications 1 à 5, caractérisé par le fait que la bague additionnelle loge de façon adjacente deux pavés-capacitifs (22 ; 28) dont les perforations métallisées homologues sont traversées par les mêmes broches (24) avec interposition entre les deux pavés de moyens formant inductance (270, 233) sur certaines au moins des broches, ce qui permet de définir des filtres en π.6 - Device according to one of claims 1 to 5, characterized in that the additional ring houses adjacent two capacitive blocks (22; 28) whose homologous metallized perforations are crossed by the same pins (24) with interposition between the two blocks of means forming an inductor (270, 233) on at least some of the pins, which makes it possible to define filters in π. 7 - Dispositif selon l'une des revendications 1 à 6, caractérisé par le fait que la bague additionnelle comporte du côté des picots une rondelle radiale (260) formant ressort axial, et sollicitant le ou les pavés-capacitifs en butée sur le bloc isolant porte-contacts.7 - Device according to one of claims 1 to 6, characterized in that the additional ring comprises on the side of the pins a radial washer (260) forming an axial spring, and urging the capacitive block (s) in abutment on the insulating block contact holder. 8 - Dispositif selon l'une des revendications 1 à 7, caractérisé par le fait que la bague (20) est montée liée axialement et libre en rotation sur un écrou fileté (30) apte à engrener sur un filetage homologue de l'arrière du connecteur.8 - Device according to one of claims 1 to 7, characterized in that the ring (20) is mounted axially linked and free to rotate on a threaded nut (30) capable of meshing on a homologous thread from the rear of the connector.
EP19830400700 1982-04-08 1983-04-06 Electrical connector device with a removable, modular capacitive filter box Expired EP0091867B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8206170 1982-04-08
FR8206170A FR2525032A1 (en) 1982-04-08 1982-04-08 ELECTRICAL CONNECTOR DEVICE WITH REMOVABLE MODULAR CAPACITIVE FILTER HOUSING

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EP0091867A1 true EP0091867A1 (en) 1983-10-19
EP0091867B1 EP0091867B1 (en) 1986-11-05

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EP (1) EP0091867B1 (en)
DE (1) DE3367489D1 (en)
FR (1) FR2525032A1 (en)

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EP0137116A2 (en) * 1983-08-31 1985-04-17 Allied Corporation A filter electrical connector
FR2557382A2 (en) * 1983-12-23 1985-06-28 Eurofarad Detachable modular capacitive filtering module for an electrical connection device
FR2598260A1 (en) * 1986-05-01 1987-11-06 Oxley Dev Co Ltd Filtered electrical connectors
US4773880A (en) * 1987-04-28 1988-09-27 Christopher Sutton Circuit module for multi-pin connector
EP0287349A1 (en) * 1987-04-13 1988-10-19 G & H Technology, Inc. Filtering electrical connector
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US4937936A (en) * 1988-03-12 1990-07-03 Alcatel N.V. Method for retrofitting a noise reducing filters to an electrical coupling connector.
WO2006076680A1 (en) * 2005-01-14 2006-07-20 Molex Incorporated Modular filter connector

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DE3702931C2 (en) * 1987-01-31 1996-02-22 Sel Alcatel Ag Electrical plug coupling with filter arrangement

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Publication number Priority date Publication date Assignee Title
EP0137116A2 (en) * 1983-08-31 1985-04-17 Allied Corporation A filter electrical connector
EP0137116A3 (en) * 1983-08-31 1986-05-14 Allied Corporation A filter electrical connector
FR2557382A2 (en) * 1983-12-23 1985-06-28 Eurofarad Detachable modular capacitive filtering module for an electrical connection device
FR2598260A1 (en) * 1986-05-01 1987-11-06 Oxley Dev Co Ltd Filtered electrical connectors
EP0287349A1 (en) * 1987-04-13 1988-10-19 G & H Technology, Inc. Filtering electrical connector
US4773880A (en) * 1987-04-28 1988-09-27 Christopher Sutton Circuit module for multi-pin connector
FR2615665A1 (en) * 1987-05-21 1988-11-25 Oxley Dev Co Ltd MULTI-CHANNEL CONNECTOR WITH INTEGRATED AND CONSTRAIN FREE FILTER NETWORK
US4820202A (en) * 1987-05-21 1989-04-11 Oxley Development Company Limited Stress-free filter array for multi-way connectors
US4937936A (en) * 1988-03-12 1990-07-03 Alcatel N.V. Method for retrofitting a noise reducing filters to an electrical coupling connector.
EP0397900A1 (en) * 1988-03-12 1990-11-22 Alcatel N.V. Electrical connector with interference elimination and its production process
WO2006076680A1 (en) * 2005-01-14 2006-07-20 Molex Incorporated Modular filter connector

Also Published As

Publication number Publication date
EP0091867B1 (en) 1986-11-05
FR2525032B1 (en) 1984-07-20
DE3367489D1 (en) 1986-12-11
FR2525032A1 (en) 1983-10-14

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