EP1173905A1 - Input/output connector with grounded screened cables and method for assembling said connector - Google Patents

Input/output connector with grounded screened cables and method for assembling said connector

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Publication number
EP1173905A1
EP1173905A1 EP00922745A EP00922745A EP1173905A1 EP 1173905 A1 EP1173905 A1 EP 1173905A1 EP 00922745 A EP00922745 A EP 00922745A EP 00922745 A EP00922745 A EP 00922745A EP 1173905 A1 EP1173905 A1 EP 1173905A1
Authority
EP
European Patent Office
Prior art keywords
connector
wall
cables
frame
conductive material
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
EP00922745A
Other languages
German (de)
French (fr)
Other versions
EP1173905B1 (en
Inventor
Eric Thomson-CSF Propriété Intellect. RAUSCENT
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.)
Thales Avionics SAS
Original Assignee
Thales Avionics SAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Thales Avionics SAS filed Critical Thales Avionics SAS
Publication of EP1173905A1 publication Critical patent/EP1173905A1/en
Application granted granted Critical
Publication of EP1173905B1 publication Critical patent/EP1173905B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/38—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
    • H01R24/40—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency
    • H01R24/52—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency mounted in or to a panel or structure
    • 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
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6581—Shield structure
    • H01R13/6585—Shielding material individually surrounding or interposed between mutually spaced contacts
    • H01R13/6588—Shielding material individually surrounding or interposed between mutually spaced contacts with through openings for individual contacts
    • 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
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
    • H01R13/6591—Specific features or arrangements of connection of shield to conductive members
    • H01R13/6592—Specific features or arrangements of connection of shield to conductive members the conductive member being a shielded cable
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2103/00—Two poles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/38—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
    • H01R24/40—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency
    • H01R24/54—Intermediate parts, e.g. adapters, splitters or elbows
    • H01R24/542—Adapters

Definitions

  • the invention relates to a connector of the input-output type with shielded cables grounded, and more particularly a connector whose input-outputs are cables of the coaxial type or of the so-called "twinaxial" type, or the like. t The invention also relates to a method for producing such a connector.
  • the structure of a conventional coaxial cable comprises a central conductor, called a core, constituted by a solid wire, generally made of copper.
  • the central core is surrounded by an electrically insulating dielectric material which separates it from an external cylindrical screen, generally a metallic braid, forming a second conductor of a pair.
  • the assembly is surrounded by a protective sheath made of electrical insulating material.
  • a protective sheath made of electrical insulating material.
  • coaxial cables or the like are associated with a certain number of critical electrical characteristics: in particular a characteristic impedance, a range of frequencies of use, attenuation, a coefficient of reflection or stationary wave rate ("TOS"), etc.
  • TOS stationary wave rate
  • bushing connectors of complementary types, male and females.
  • Each pair of connectors establishes a coaxial (or multicoaxial, connection if there are several cables connector output). We then take advantage of the presence of these connectors to perform the "grounding" function of the coaxial cables which pass through them.
  • grounding The ground continuity provided by these, between the equipment and the cable shield (braid), must generally be less than 10 m ⁇ .
  • the connectors of the aforementioned type serve a dual function (signal transmission and grounding), they are not without their drawbacks. If one places oneself within the framework of a use on an industrial scale, they present in particular the following major drawbacks: their cost is high: typically of the order of 2 to 3 kF, cost which one must compare with connectors of the same family (that is to say having functions, excluding grounding, equivalent), either typically of the order of 0.5 kF (or in a ratio of the order of 1 to 5 ); - in many cases there is only one source of supply
  • the connectors according to the invention are provided with a specific member, making it possible in particular: - to provide the so-called "grounding" function mentioned above, or grounded; to be able to adapt to all families of standard connectors, whether they are generally circular or rectangular; to present a minimum overall volume on the rear of the connector; - allow easy assembly and disassembly; to require only a small additional cost compared to a standard connector not offering the function of earthing; and to ensure a mass continuity of less than 10 m ⁇ , as in the known art.
  • the aforementioned member is based on a single and simple piece, consisting of a metal frame, which will be called hereinafter "foil”, comprising a part enveloping the connector and extensions arranged between the connector and the mechanical structure of equipment that supports this connector. More precisely, the foil is mounted clamped between the mechanical structure of the equipment, support of a standard connector, and this connector.
  • the equipment comprises a flat wall provided with an opening intended to receive the body of the connector and means for fixing the latter.
  • the front of the connector allows mechanical and electrical coupling with a complementary type connector.
  • the coaxial cable (s) come out towards the rear of the connector body, from and towards other internal parts of the equipment.
  • the front part of the coaxial cables is provided with also coaxial contacts, intended to receive contacts of complementary type.
  • the foil itself comprises a wall surrounding the rear of the connector and extending forwards by lateral wings, preferably formed by lugs, the lugs themselves comprising folds of clamp end between the front of the connector body and the rear of the equipment support wall.
  • the rear wall of the foil has one or more orifices. In each hole is threaded a coaxial cable or similar, forming one of the inputs / outputs of the connector. Each coaxial cable is stripped, as necessary, at these holes and is welded to the foil.
  • the aforementioned or "tinsel" organ responds well to the aims which the invention has set itself: it performs the grounding or "grounding” function, with a typical galvanic continuity of less than or equal to 2 , 5 m ⁇ ; the additional volume on the rear of the connector, due to the provisions of the invention, is very small; - The assembly and / or disassembly of such a member is easy, as will be shown in more detail; and the additional cost due to the invention is low, both in terms of the additional material required and the additional cost during the manufacturing process (the manufacturing steps specific to the invention do not present any significant complexity).
  • the invention therefore relates to a connector of the type comprising a main body of determined shape, fixing means and at least one input and / or output by a cable comprising at least one external shielding and exiting by a so-called rear face of the connector , said connector being intended to be mounted on a wall of electrically conductive material of electrical and / or electronic equipment and secured to this wall by said fixing means, characterized in that each of said external cable shield is made accessible from the outside in a determined area of the end of said cable close to said rear face, in that it comprises a frame of electrically conductive material comprising at least one rear wall provided with as many orifices as cables, so as to be able to be threaded thereon, and lateral wings comprising end folds intended to be inserted and clips between said mo fastening yen and said wall of electrically conductive material, when the connector is secured to this wall, and in that said areas accessible from the outside of said shield are electrically coupled to said rear wall of the armature at said orifices, so as to
  • FIG. 1 schematically illustrates, in exploded view, an example of standard connector with coaxial contacts, of circular section, intended to be mounted on a equipment wall; and FIG. 2A to 2E illustrate the main phases of production of a connector according to the invention.
  • FIG. 2A to 2E illustrate the main phases of production of a connector according to the invention.
  • FIG. 1 illustrates, in exploded view, an example of a standard connector structure 1, the body 10 of which is of substantially cylindrical shape, during fixing on a wall 2 of a piece of equipment (not shown), which has been shown to be a fraction.
  • the connector 1 is provided with three coaxial contacts (not visible) opening out on the front face 101. These contacts are extended, on the rear face 100, by three coaxial cables 3, carrying signals, from and / or to other members (not shown), arranged inside the support equipment of the connector 1.
  • standard here designates a connector 1 which does not offer the function of earthing between the shielding screen (not visible in FIG. 1) of the coaxial cables 3 and the wall equipment support 2.
  • an orifice 20 is provided, of shape and dimensions such that the body 10 of the connector 1 can be introduced therein.
  • the orifice 20 is of circular shape and diameter slightly greater than that of the body 10.
  • the body 10 of the connector 1 is further provided with a peripheral fixing plate 102 which is attached thereto or a similar member, for example of substantially square or rectangular shape.
  • This plate 102 is arranged in a plane orthogonal to the axis of symmetry ⁇ of the body 10 and made integral with it, for example by welding during manufacture.
  • a removable counterplate 103 is also often provided, comprising a circular central orifice 1031 so that it can be threaded onto the body 10.
  • the plates 102 and 103 also include fixing orifices (of which only those, 1030, of the plate 103 are visible on the Figure 1), for example arranged at the four corners.
  • the wall 2 also includes orifices or cutouts 200 intended for fixing the connector 1, produced on the periphery of the main orifice 20. These orifices or cutouts 200 are arranged in space, one relative to the other around the center of symmetry C of the orifice 20, to be in correspondence with the orifices of the plates 102 and 103, for example 1030.
  • the final assembly of the connector 1 on the wall 2 is obtained by inserting its body 10 in the orifice 20. until the plate 102 comes to bear on the wall 2. It is then sufficient to match the orifices of this plate 102 and the orifices 210 of the wall 2, as well as those, 1030, of the plate 103, and of using conventional organs of the screw-nut type (not shown) to lock the connector 1 on the wall 2.
  • the counterplate 103 can be arranged against the plate 102 as illustrated in FIG. 1, or, in an embodiment not shown, threaded onto the body 10, on the other side of the wall 2 (by convention the front face), before tightening by screw-nut type members. The wall 2 is then pinched between the plates 102 and 103.
  • a standard type connector does not intrinsically ensure the mechanical grounding of the shield of the rear coaxial cables 3, that is to say a coupling between this shield is the wall 2, which is assumed metallic. If this function is to be ensured, it is then necessary to use a so-called "grounding" connector, as mentioned above, which allows this intrinsically to be grounded.
  • this type of connector has many disadvantages.
  • FIGS. 2A to 2E an exemplary embodiment of a connector according to the invention, and its main phases of production. It should be understood that certain stages of production are common with known art. The specific phases will be specified.
  • FIG. 2A illustrates in more detail an example of coaxial cable 3 provided at its end with a coaxial contact 4 intended to be inserted in the body 10 of the connector 1, as will be shown with reference to FIG. 2B.
  • the coaxial cable 3, as indicated, usually comprises an external protective sheath 30, made of electrically insulating material. This sheath 30 covers the shielding 31, generally consisting of a metallic braid, with tight meshes.
  • the cable 3 is stripped in a zone Zd at a predetermined distance d from the end of the coaxial contact 4. This operation constitutes a first step of mounting a connector 1 according to the invention.
  • FIG. 2B illustrates a standard connector 1, of the type of that represented in FIG. 1.
  • the coaxial contacts 4 are not yet inserted in the body 10 of the connector 1, by its rear face 100, d on the other hand, according to one of the characteristics specific to the invention, the cables 3 comprise a stripped zone Zd.
  • the contacts 4 are inserted into longitudinal channels 1000 provided for this purpose (parallel to the axis ⁇ ) and opening onto the rear face 100 of the body 10 of the connector 1. These channels 1000, parallel to the axis ⁇ , pass through the body 10 right through, so as to also lead to the front face 101.
  • the length of the contacts 4 is generally less than the length of the body 10 of the connector 1. From this fact, part of the end of the cables 3 carrying the contacts 4 is also pressed into the channels 1000.
  • the contacts 4 are shown fully depressed in Figure 2C.
  • the counterplate 103 can also be threaded onto the body 10. These insertion operations are common, in themselves, with similar operations necessary for producing a connector according to known art (FIG. 1).
  • FIG. 2C also shows an essential element of a connector 1 according to the invention.
  • a metal frame 5 which has been called “tinsel”, comprising a substantially planar rear wall 50.
  • This rear face 50 is provided with orifices 500 having the same spatial configuration as the orifices 1000 (FIG. 2B), so that the rear wall 50 can be threaded over the cables.
  • the distance d is such that the stripped zone Zd is outside the body 10 of the connector 1, but in the immediate vicinity of the rear face 100, when the foil is threaded on the cables 3, as it will be shown opposite Figures 2D and 2E.
  • the orifices 500 advantageously have a circular section, with a diameter slightly greater than the external diameter of the sheath 30.
  • the foils 5 are provided with flaps 51, folded back substantially 90 degrees to the wall 50, and having a second fold 52 at their ends, also 90 degrees and inward .
  • the flaps are formed by legs of small width, for example four legs at the top and bottom ends of the rear wall 50, on both sides of the latter. The length of the legs is such that the end folds 52 trap the fixed plate 102 and pass in front of this plate, when the foil is in place (see Figures 2D and 2E).
  • FIG. 2C illustrates the foil 5 before being put in place, that is to say before being put on the coaxial cables 3. Also shown in this figure are the fixing orifices 1020 of the plate 102.
  • Figure 2D illustrates the assembly "connectorl - foil 5" mounted. The last operation, before fitting connector 1 and its foil
  • the 5 on the structure 2 consists in welding the shielding (braids 31) on the rear face 50 of the foil.
  • This step also specific to the invention, ensures good electrical continuity between the shielding 31 and the foil 5.
  • This operation can be carried out in a known manner, for example by soldering using an induction iron. .
  • the body 10 of the connector 1 is threaded into the opening 20.
  • the wall 2 is then supported on the front face of the fixing plate 102 (position 2 ': arrow F). It must be understood, however, that this is a relative movement. In reality, it is the connector 1 which is subject to a translational movement.
  • the last operation also common in itself, with the prior art, consists in securing the "connector 1 - foil 5" assembly to the wall 2.
  • any suitable conventional means for example screw-nut type bodies.
  • the folded ends 52 of the legs 51 are then pinched between the rear of this wall 2 and the front wall 101 of the body 10. This pinching ensures good electrical continuity between the wall 2, and therefore the equipment of which it is a part, and the foil 5. Therefore, since the latter is welded to the shielding 31, in the stripping zone Zd, a good quality mechanical grounding is carried out between the structure (represented by wall 2). ) and the shield 31 of the coaxial cables 3.
  • UBE 2 commercial reference
  • the invention relates to connectors of different shapes: circular, rectangular section, etc. It goes without saying, under these conditions, that the exact shape of the foil 5 and its dimensions are also dependent on the configuration of the connector considered. This aspect remains within the reach of the skilled person, without it being necessary to develop it further.
  • a standard connector typically costs 300 F and a special connector of the so-called "grouding" type 2000 F, the additional cost due to the foil alone is around 200 F. then that a connector according to the invention, provided with its foil, typically returns to 500 F, or four times less than a connector called "grounding" with equivalent characteristics.
  • a connector according to the invention produced on the basis of a standard connector and of the metal frame which has been called a foil, does not therefore present the dangers inherent in a single or almost single source: unsustainability, risk of breakage stock, etc.
  • the additional volume of the connector according to the invention compared to a standard connector is very small: additional thickness of the order of

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  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Abstract

The invention relates to a connector (1) which is provided with coaxial or similar type input/output cables (3) and secured against the wall (2) of an electrical apparatus. The connector (1) comprises a metal frame (5) provided with lugs (51) which are inserted and pinched on the ends thereof (52) between a fixing plate (102) which is joined to the connector (1) and the wall (2) of the apparatus. The rear wall (50) of the frame (5) comprises openings (500) through which the cables (3) pass. The cables include a bare area which is welded to the rear wall of the frame (50) on the side of the openings (500), whereby continued grounding is ensured between the screening (31) of the cables (3) and the wall (2) of the apparatus supporting the connector (1). The invention also relates to a method for producing and installing said connector.

Description

CONNECTEUR DU TYPE À ENTRÉES/SORTIES AVEC DES CÂBLES INPUT / OUTPUT TYPE CONNECTOR WITH CABLES
BLINDÉS MIS À LA MASSE ET PROCÉDÉ DE RÉALISATION ET DEGROUNDED ARMORED AND METHOD FOR THE PRODUCTION AND
MONTAGE D'UN TEL CONNECTEURMOUNTING SUCH A CONNECTOR
L'invention concerne un connecteur du type à entrées-sorties avec des câbles blindés mis à la masse, et plus particulièrement un connecteur dont les entrées-sorties sont des câbles de type coaxiaux ou de type dit "twinaxe", ou similaires. t L'invention concerne également un procédé de réalisation d'un tel connecteur.The invention relates to a connector of the input-output type with shielded cables grounded, and more particularly a connector whose input-outputs are cables of the coaxial type or of the so-called "twinaxial" type, or the like. t The invention also relates to a method for producing such a connector.
La structure d'un câble coaxiai classique comprend un conducteur central, appelé âme, constituée par un fil massif, généralement en cuivre. L'âme centrale est entourée d'un matériau diélectrique isolant électriquement qui la sépare d'un écran cylindrique externe, généralement une tresse métallique, formant un second conducteur d'une paire. L'ensemble est entouré d'une gaine de protection en matériau isolant électrique. Il existe des structures plus complexe comprenant plusieurs conducteurs centraux et au moins un écran métallique, par exemple la structure dite "twinaxe" comprenant deux conducteurs centraux massifs. Dans ce qui suit, pour fixer les idées, on prendra l'exemple des câbles coaxiaux, sans limiter en quoi que ce soit la portée de l'invention.The structure of a conventional coaxial cable comprises a central conductor, called a core, constituted by a solid wire, generally made of copper. The central core is surrounded by an electrically insulating dielectric material which separates it from an external cylindrical screen, generally a metallic braid, forming a second conductor of a pair. The assembly is surrounded by a protective sheath made of electrical insulating material. There are more complex structures comprising several central conductors and at least one metal screen, for example the so-called "twinaxis" structure comprising two solid central conductors. In what follows, to fix the ideas, we will take the example of coaxial cables, without limiting in any way the scope of the invention.
Une des applications courante de tels câbles est la transmission de signaux alternatifs ou impulsionnels à haute fréquence. Aussi, les câbles coaxiaux ou similaires sont associés à un certain nombre de caractéristiques électriques critiques : notamment une impédance caractéristique, une gamme de fréquences d'utilisation, un affaiblissement, un coefficient de réflexion ou taux d'onde stationnaire ("TOS"), etc. En outre, il est souvent nécessaire de relier le blindage des câbles coaxiaux à la masse mécanique des équipements ou appareils, électriques et/ou électroniques, dans lesquels ils sont mis en œuvre, pour que les signaux soient définis par rapport à un potentiel bien défini.One of the common applications of such cables is the transmission of high frequency alternating or pulsed signals. Also, coaxial cables or the like are associated with a certain number of critical electrical characteristics: in particular a characteristic impedance, a range of frequencies of use, attenuation, a coefficient of reflection or stationary wave rate ("TOS"), etc. In addition, it is often necessary to connect the shielding of coaxial cables to the mechanical ground of the equipment or apparatus, electrical and / or electronic, in which they are implemented, so that the signals are defined with respect to a well-defined potential. .
Dans beaucoup d'équipements, soit parce qu'ils sont mobiles, soit parce qu'ils doivent eux-mêmes être mis en communication avec des appareils mobiles, ou pour le moins déconnectables, on prévoit des connecteurs de traversée, de types complémentaires, mâles et femelles. Chaque paire de connecteurs établit une connexion de type coaxiale (ou multicoaxiale, s'il existe plusieurs câbles de sortie par connecteur). On profite alors de la présence de ces connecteurs pour réaliser la fonction "mise à la masse" des câbles coaxiaux qui transitent par ceux-ci.In many equipment, either because they are mobile, or because they themselves must be put in communication with mobile devices, or at least disconnectable, provision is made for bushing connectors, of complementary types, male and females. Each pair of connectors establishes a coaxial (or multicoaxial, connection if there are several cables connector output). We then take advantage of the presence of these connectors to perform the "grounding" function of the coaxial cables which pass through them.
En effet, certains connecteurs, dits "équipements", sont munis d'organes qui relient le blindage métallique extérieur des contacts coaxiaux de différentes tailles au corps métallique du connecteur lui-même. En terme de métier, des connecteurs de ce type qui permettent de réaliser la fonction de mise à la masse précitée, sont souvent appelés "grounding". La continuité de masse assurée par ceux-ci, entre l'équipement et le blindage (tresse) du câble, doit être en général inférieure à 10 mΩ.Indeed, some connectors, called "equipment", are provided with members which connect the external metal shielding of coaxial contacts of different sizes to the metal body of the connector itself. In terms of profession, connectors of this type which make it possible to carry out the above-mentioned earthing function are often called "grounding". The ground continuity provided by these, between the equipment and the cable shield (braid), must generally be less than 10 mΩ.
Bien que les connecteurs du type précité permettent de remplir une double fonction (transmission de signaux et mise à la masse), ils n'en sont pas pour autant exempts d'inconvénients. Si on se place dans le cadre d'une utilisation à l'échelle industrielle, ils présentent notamment les inconvénients majeurs suivants : leur coût est élevé : typiquement de l'ordre de 2 à 3 kF, coût que l'on doit comparer à des connecteurs de la même famille (c'est-à-dire présentant des fonctions, hors mise à la masse, équivalentes), soit typiquement de l'ordre de 0,5 kF (soit dans un rapport de l'ordre de 1 à 5) ; - dans de nombreux cas, il n'existe qu'une seule source d'approvisonnementAlthough the connectors of the aforementioned type serve a dual function (signal transmission and grounding), they are not without their drawbacks. If one places oneself within the framework of a use on an industrial scale, they present in particular the following major drawbacks: their cost is high: typically of the order of 2 to 3 kF, cost which one must compare with connectors of the same family (that is to say having functions, excluding grounding, equivalent), either typically of the order of 0.5 kF (or in a ratio of the order of 1 to 5 ); - in many cases there is only one source of supply
(un seul fabricant et/ou distributeur), ce qui n'est généralement pas admissible il existe alors des risques sérieux de rupture de stock ; de façon corrélative, la pérennité d'approvisionnement est faible, lorsqu'elle repose sur l'existence d'une seule source d'approvisionnement ; - les délais d'approvisionnement sont généralement longs, typiquement de l'ordre de 6 à 8 mois ; et les connecteurs remplissant la double fonction précitée existent dans peu de familles de connecteurs de type "équipement", ce qui restreint le choix des modèles. Le besoin se fait donc sentir de disposer de connecteurs, ayant au moins une sortie par câble coaxial ou similaire, assurant la fonction de relier le blindage métallique extérieur du ou des câbles à la masse mécanique de l'équipement supportant le connecteur, mais ne présentant pas les inconvénients des dispositifs de l'art connu, dont certains viennent d'être rappelés.(only one manufacturer and / or distributor), which is generally not admissible there are then serious risks of stock-out; correlatively, the sustainability of supply is low, when it is based on the existence of a single source of supply; - supply times are generally long, typically around 6 to 8 months; and connectors fulfilling the aforementioned dual function exist in few families of “equipment” type connectors, which restricts the choice of models. There is therefore a need to have connectors, having at least one outlet by coaxial cable or the like, ensuring the function of connecting the external metal shield of the cable or cables to the mechanical mass of the equipment. supporting the connector, but not having the drawbacks of the devices of the known art, some of which have just been recalled.
Pour ce faire, les connecteurs conformes à l'invention sont munis d'un organe spécifique, permettant notamment : - d'assurer la fonction dite "grounding" précitée, ou mise à la masse ; de pouvoir s'adapter à toutes les familles de connecteurs standards, qu'ils soient de forme générale circulaire ou rectangulaire ; de présenter un volume d'encombrement minimum sur l'arrière du connecteur ; - de permettre un montage et un démontage aisés ; de n'exiger qu'un surcoût faible par rapport à un connecteur standard n'offrant pas la fonction de mise à la masse ; et d'assurer une continuité de masse inférieure à 10 mΩ, comme dans l'art connu. L'organe précité est constitué à base d'une pièce unique et simple, constituée d'une armature métallique, que l'on appellera ci-après "clinquant", comprenant une partie enveloppant le connecteur et des prolongements disposés entre le connecteur et la structure mécanique d'un équipement qui supporte ce connecteur. De façon plus précise, le clinquant est monté pincé entre la structure mécanique de l'équipement, support d'un connecteur standard, et ce connecteur.To do this, the connectors according to the invention are provided with a specific member, making it possible in particular: - to provide the so-called "grounding" function mentioned above, or grounded; to be able to adapt to all families of standard connectors, whether they are generally circular or rectangular; to present a minimum overall volume on the rear of the connector; - allow easy assembly and disassembly; to require only a small additional cost compared to a standard connector not offering the function of earthing; and to ensure a mass continuity of less than 10 mΩ, as in the known art. The aforementioned member is based on a single and simple piece, consisting of a metal frame, which will be called hereinafter "foil", comprising a part enveloping the connector and extensions arranged between the connector and the mechanical structure of equipment that supports this connector. More precisely, the foil is mounted clamped between the mechanical structure of the equipment, support of a standard connector, and this connector.
Généralement, l'équipement comporte une paroi plane munie d'une ouverture destinée à recevoir le corps du connecteur et des moyens de fixation de celui-ci.Generally, the equipment comprises a flat wall provided with an opening intended to receive the body of the connector and means for fixing the latter.
L'avant du connecteur permet un couplage mécanique et électrique avec un connecteur de type complémentaire. Le ou les câbles coaxiaux ressortent vers l'arrière du corps du connecteur, de et vers d'autres organes internes à l'équipement. La partie avant des câbles coaxiaux est munies de contacts également coaxiaux, destinés à recevoir des contacts de type complémentaire.The front of the connector allows mechanical and electrical coupling with a complementary type connector. The coaxial cable (s) come out towards the rear of the connector body, from and towards other internal parts of the equipment. The front part of the coaxial cables is provided with also coaxial contacts, intended to receive contacts of complementary type.
De façon encore plus précise, le clinquant comprend lui-même une paroi entourant l'arrière du connecteur et se prolongeant vers l'avant par des ailes latérales, de façon préférentielle constitués par des pattes, les pattes comportant elles-mêmes des replis d'extrémité pinces entre l'avant du corps du connecteur et l'arrière de la paroi support de l'équipement. La paroi arrière du clinquant comporte un ou plusieurs orifices. Dans chaque orifice est enfilé un câble coaxial ou similaire, formant l'une des entrées/sorties du connecteur. Chaque câble coaxial est dénudé, en tant que de besoin, au niveau de ces orifices et est soudé au clinquant.Even more precisely, the foil itself comprises a wall surrounding the rear of the connector and extending forwards by lateral wings, preferably formed by lugs, the lugs themselves comprising folds of clamp end between the front of the connector body and the rear of the equipment support wall. The rear wall of the foil has one or more orifices. In each hole is threaded a coaxial cable or similar, forming one of the inputs / outputs of the connector. Each coaxial cable is stripped, as necessary, at these holes and is welded to the foil.
Il s'ensuit que l'organe précité ou "clinquant" répond bien aux buts que s'est fixés l'invention : il assure la fonction mise à la masse ou "grounding", ce avec une continuité galvanique typique inférieure ou égale à 2,5 mΩ ; le volume supplémentaire sur l'arrière du connecteur, dû au dispositions de l'invention, est très faible ; - le montage et/ou le démontage d'un tel organe est aisé, comme il le sera montré plus en détail ; et le surcoût dû à l'invention est faible, que ce soit en termes de matière supplémentaire nécessaire et de coût additionnel lors du processus de fabrication (les étapes de fabrication spécifiques à l'invention ne présentant pas de complexité notable).It follows that the aforementioned or "tinsel" organ responds well to the aims which the invention has set itself: it performs the grounding or "grounding" function, with a typical galvanic continuity of less than or equal to 2 , 5 mΩ; the additional volume on the rear of the connector, due to the provisions of the invention, is very small; - The assembly and / or disassembly of such a member is easy, as will be shown in more detail; and the additional cost due to the invention is low, both in terms of the additional material required and the additional cost during the manufacturing process (the manufacturing steps specific to the invention do not present any significant complexity).
L'invention a donc pour objet un connecteur du type comprenant un corps principal de forme déterminée, des moyens de fixation et au moins une entrée et/ou sortie par un câble comportant au moins un blindage externe et sortant par une face dite arrière du connecteur, ledit connecteur étant destiné à être monté sur une paroi en matériau conducteur de l'électricité d'un équipement électrique et/ou électronique et assujetti cette paroi par lesdits moyens de fixation, caractérisé en ce que chacun desdits blindage externe de câble est rendu accessible de l'extérieur dans une zone déterminée de l'extrémité dudit câble proche de ladite face arrière, en ce qu'il comprend une armature en matériau conducteur de l'électricité comportant au moins une paroi arrière munie d'autant d'orifices que de câbles, de manière à pouvoir être enfilés sur ceux-ci, et des ailes latérales comportant des replis d'extrémité destinés à être insérés et pinces entre lesdits moyens de fixation et ladite paroi en matériau conducteur de l'électricité, lorsque le connecteur est assujetti à cette paroi, et en ce que lesdites zones accessibles de l'extérieur dudit blindage sont couplées électriquement à ladite paroi arrière de l'armature au niveau desdits orifices, de manière à établir une continuité électrique entre ladite paroi en matériau conducteur de l'électricité et ledit blindage, lorsque le connecteur est assujetti à cette paroi. L'invention a encore pour objet un procédé de réalisation d'un tel connecteur.The invention therefore relates to a connector of the type comprising a main body of determined shape, fixing means and at least one input and / or output by a cable comprising at least one external shielding and exiting by a so-called rear face of the connector , said connector being intended to be mounted on a wall of electrically conductive material of electrical and / or electronic equipment and secured to this wall by said fixing means, characterized in that each of said external cable shield is made accessible from the outside in a determined area of the end of said cable close to said rear face, in that it comprises a frame of electrically conductive material comprising at least one rear wall provided with as many orifices as cables, so as to be able to be threaded thereon, and lateral wings comprising end folds intended to be inserted and clips between said mo fastening yen and said wall of electrically conductive material, when the connector is secured to this wall, and in that said areas accessible from the outside of said shield are electrically coupled to said rear wall of the armature at said orifices, so as to establish electrical continuity between said wall of electrically conductive material and said shield, when the connector is secured to this wall. The invention also relates to a method for producing such a connector.
L'invention va maintenant être décrite de façon plus détaillée en se référant aux dessins annexés, parmi lesquels : - la figure 1 illustre schématiquement, en éclaté, un exemple de connecteur standard à contacts coaxiaux, de section circulaire, destiné à âtre monté sur une paroi d'un équipement ; et la figure 2A à 2E illustrent les principales phases de réalisation d'un connecteur conforme à l'invention. Dans ce qui suit, pour fixer les idées, sans limiter en quoi que ce soit la portée de l'invention, on se placera dans le cas d'un connecteur de section circulaire muni de contacts coaxiaux et de câbles d'entrées/sorties coaxiaux également.The invention will now be described in more detail with reference to the accompanying drawings, among which: - Figure 1 schematically illustrates, in exploded view, an example of standard connector with coaxial contacts, of circular section, intended to be mounted on a equipment wall; and FIG. 2A to 2E illustrate the main phases of production of a connector according to the invention. In what follows, to fix the ideas, without limiting in any way the scope of the invention, we will take the case of a connector of circular section provided with coaxial contacts and coaxial input / output cables also.
La figure 1 illustre, en éclaté, un exemple de structure de connecteur standard 1 , dont le corps 10 est de forme sensiblement cylindrique, en cours de fixation sur une paroi 2 d'un équipement (non représenté), dont on a montré qu'une fraction.FIG. 1 illustrates, in exploded view, an example of a standard connector structure 1, the body 10 of which is of substantially cylindrical shape, during fixing on a wall 2 of a piece of equipment (not shown), which has been shown to be a fraction.
Pour fixer les idées, on a supposé que le connecteur 1 est muni de trois contacts coaxiaux (non visibles) débouchant en face avant 101. Ces contacts sont prolongés, en face arrière 100, par trois câbles coaxiaux 3, véhiculant des signaux, de et/ou vers d'autres organes (non représentés), disposés à l'intérieur de l'équipement support du connecteur 1.To fix the ideas, it was assumed that the connector 1 is provided with three coaxial contacts (not visible) opening out on the front face 101. These contacts are extended, on the rear face 100, by three coaxial cables 3, carrying signals, from and / or to other members (not shown), arranged inside the support equipment of the connector 1.
Dans le cadre de l'invention, le terme "standard" désigne ici un connecteur 1 n'offrant pas la fonction de mise à la masse entre l'écran de blindage (non visible sur la figure 1 ) des câbles coaxiaux 3 et la paroi support 2 de l'équipement.In the context of the invention, the term "standard" here designates a connector 1 which does not offer the function of earthing between the shielding screen (not visible in FIG. 1) of the coaxial cables 3 and the wall equipment support 2.
Pour fixer le connecteur à la paroi 2, on prévoit un orifice 20, de forme et de dimensions telles que l'on peut y introduire le corps 10 du connecteur 1. Dans le cas présent, l'orifice 20 est de forme circulaire et de diamètre légèrement supérieur à celui du corps 10. Le corps 10 du connecteur 1 est muni en outre d'une plaque périphérique de fixation 102 qui lui est assujettie ou d'un organe similaire, par exemple de forme substantiellement carrée ou rectangulaire. Cette plaque 102 est disposée dans un plan orthogonal à l'axe de symétrie Δ du corps 10 et rendu solidaire de celui-ci, par exemple par soudage lors de la fabrication. On prévoit aussi souvent une contreplaque 103 amovible, comprenant un orifice central circulaire 1031 pour pouvoir être enfilée sur le corps 10. Les plaques 102 et 103 comportent également des orifices de fixation (dont seuls ceux, 1030, de la plaque 103 sont visibles sur la figure 1 ), par exemple disposés aux quatre coins.To fix the connector to the wall 2, an orifice 20 is provided, of shape and dimensions such that the body 10 of the connector 1 can be introduced therein. In the present case, the orifice 20 is of circular shape and diameter slightly greater than that of the body 10. The body 10 of the connector 1 is further provided with a peripheral fixing plate 102 which is attached thereto or a similar member, for example of substantially square or rectangular shape. This plate 102 is arranged in a plane orthogonal to the axis of symmetry Δ of the body 10 and made integral with it, for example by welding during manufacture. A removable counterplate 103 is also often provided, comprising a circular central orifice 1031 so that it can be threaded onto the body 10. The plates 102 and 103 also include fixing orifices (of which only those, 1030, of the plate 103 are visible on the Figure 1), for example arranged at the four corners.
La paroi 2 comprend également des orifices ou des découpes 200 destinés à la fixation du connecteur 1 , réalisés en périphérie de l'orifice principal 20. Ces orifices ou découpes 200 sont disposés dans l'espace, l'un par rapport à l'autre autour du centre de symétrie C de l'orifice 20, pour être en correspondance avec les orifices des plaques 102 et 103, par exemple 1030.The wall 2 also includes orifices or cutouts 200 intended for fixing the connector 1, produced on the periphery of the main orifice 20. These orifices or cutouts 200 are arranged in space, one relative to the other around the center of symmetry C of the orifice 20, to be in correspondence with the orifices of the plates 102 and 103, for example 1030.
L'assemblage définitif du connecteur 1 sur la paroi 2 est obtenu en insérant son corps 10 dans l'orifice 20. jusqu'à ce que la plaque 102 vienne en appui sur la paroi 2. Il suffit alors de mettre en correspondance les orifices de cette plaque 102 et les orifices 210 de la paroi 2, ainsi que ceux, 1030, de la plaque 103, et d'utiliser des organes classiques de type vis-écrou (non représentés) pour verrouiller le connecteur 1 sur la paroi 2. La contreplaque 103 peut être disposée contre la plaque 102 comme illustré sur la figure 1 , ou, dans un mode de réalisation non représenté, enfilée sur le corps 10, de l'autre côté de la paroi 2 (par convention la face avant), avant serrage par les organes de type vis- écrous. La paroi 2 est alors pincée entre les plaques 102 et 103.The final assembly of the connector 1 on the wall 2 is obtained by inserting its body 10 in the orifice 20. until the plate 102 comes to bear on the wall 2. It is then sufficient to match the orifices of this plate 102 and the orifices 210 of the wall 2, as well as those, 1030, of the plate 103, and of using conventional organs of the screw-nut type (not shown) to lock the connector 1 on the wall 2. The counterplate 103 can be arranged against the plate 102 as illustrated in FIG. 1, or, in an embodiment not shown, threaded onto the body 10, on the other side of the wall 2 (by convention the front face), before tightening by screw-nut type members. The wall 2 is then pinched between the plates 102 and 103.
Un connecteur de type standard n'assurer pas, de façon intrinsèque, la mise à la masse mécanique du blindage des câbles coaxiaux arrières 3, c'est-à- dire un couplage entre ce blindage est la paroi 2, que l'on suppose métallique. Si cette fonction doit être assurée, il est alors nécessaire d'utiliser un connecteur dit "grounding", comme il a été rappelé, ce qui permet cette mise à la masse de façon intrinsèque. Cependant, comme il a été indiqué également ce type de connecteur présente de nombreux inconvénients.A standard type connector does not intrinsically ensure the mechanical grounding of the shield of the rear coaxial cables 3, that is to say a coupling between this shield is the wall 2, which is assumed metallic. If this function is to be ensured, it is then necessary to use a so-called "grounding" connector, as mentioned above, which allows this intrinsically to be grounded. However, as has also been indicated, this type of connector has many disadvantages.
On va maintenant décrire, par référence aux figures 2A à 2E, un exemple de réalisation d'un connecteur conforme à l'invention, et ses principales phases de réalisation. On doit bien comprendre que certaines phases de réalisation sont commune avec l'art connu. Les phases spécifiques seront précisées.We will now describe, with reference to FIGS. 2A to 2E, an exemplary embodiment of a connector according to the invention, and its main phases of production. It should be understood that certain stages of production are common with known art. The specific phases will be specified.
Les éléments communs aux figures précédentes portent les mêmes références et ne seront re-décrits qu'en tant que de besoin. La figure 2A illustre de façon plus détaillée un exemple de câble coaxial 3 muni en son extrémité d'un contact coaxial 4 destiné à être inséré dans le corps 10 du connecteur 1 , comme il le sera montré en regard de la figure 2B. Le câble coaxial 3, comme il a été indiqué comprend usuellement une gaine externe de protection 30, en matériau isolant électriquement. Cette gaine 30 recouvre le blindage 31 , constitué généralement d'une tresse métallique, à mailles serrées.The elements common to the previous figures have the same references and will only be re-described as necessary. FIG. 2A illustrates in more detail an example of coaxial cable 3 provided at its end with a coaxial contact 4 intended to be inserted in the body 10 of the connector 1, as will be shown with reference to FIG. 2B. The coaxial cable 3, as indicated, usually comprises an external protective sheath 30, made of electrically insulating material. This sheath 30 covers the shielding 31, generally consisting of a metallic braid, with tight meshes.
Selon une première caractéristique de l'invention, on dénude le câble 3 dans une zone Zd à une distance d prédéterminée de l'extrémité du contact coaxial 4. Cette opération constitue une première étape de montage d'un connecteur 1 selon l'invention.According to a first characteristic of the invention, the cable 3 is stripped in a zone Zd at a predetermined distance d from the end of the coaxial contact 4. This operation constitutes a first step of mounting a connector 1 according to the invention.
La figure 2B illustre un connecteur standard 1 , du type de celui représenté sur la figure 1. Cependant, d'une part, les contacts coaxiaux 4 ne sont pas encore insérés dans le corps 10 du connecteur 1 , par sa face arrière 100, d'autre part, selon l'une des caractéristiques propres à l'invention, les câbles 3 comportent une zone dénudée Zd.FIG. 2B illustrates a standard connector 1, of the type of that represented in FIG. 1. However, on the one hand, the coaxial contacts 4 are not yet inserted in the body 10 of the connector 1, by its rear face 100, d on the other hand, according to one of the characteristics specific to the invention, the cables 3 comprise a stripped zone Zd.
Lors d'une étape ultérieure, les contacts 4 sont insérés dans des canaux longitudinaux 1000 prévus à cet effet (parallèles à l'axe Δ) et débouchant sur la face arrière 100 du corps 10 du connecteur 1. Ces canaux 1000, parallèles à l'axe Δ, traversent le corps 10 de part en part, de façon à déboucher également sur la face avant 101. De façon tout à fait classique, la longueur des contacts 4 est généralement inférieure à la longueur du corps 10 du connecteur 1. De ce fait, une partie de l'extrémité des câbles 3 portant les contacts 4 est aussi enfoncée dans les canaux 1000.During a subsequent step, the contacts 4 are inserted into longitudinal channels 1000 provided for this purpose (parallel to the axis Δ) and opening onto the rear face 100 of the body 10 of the connector 1. These channels 1000, parallel to the axis Δ, pass through the body 10 right through, so as to also lead to the front face 101. In a completely conventional manner, the length of the contacts 4 is generally less than the length of the body 10 of the connector 1. From this fact, part of the end of the cables 3 carrying the contacts 4 is also pressed into the channels 1000.
Les contacts 4 sont représentés entièrement enfoncés sur la figure 2C. on peut également enfiler sur le corps 10 la contreplaque 103. Ces opérations d'insertion sont communes, en soi, avec des opérations similaires nécessaires à la réalisation d'un connecteur selon l'art connu (figure 1 ).The contacts 4 are shown fully depressed in Figure 2C. the counterplate 103 can also be threaded onto the body 10. These insertion operations are common, in themselves, with similar operations necessary for producing a connector according to known art (FIG. 1).
Sur cette figure 2C, on a représenté également un élément essentiel d'un connecteur 1 selon l'invention. Pour réaliser la fonction "mise à la masse", entre la tresse 31 et la structure mécanique 2 (figure 1 ) d'un équipement ou d'un appareil, selon une deuxième caractéristique très importante de l'invention, on met en œuvre une armature métallique 5, que l'on a appelée "clinquant", comprenant une paroi arrière 50 sensiblement plane. Cette face arrière 50 est munie d'orifices 500 ayant la même configuration spatiale que les orifices 1000 (figure 2B), de manière à ce que la paroi arrière 50 puisse être enfilée sur les câbles. En outre, la distance d est telle que la zone dénudée Zd se trouve à l'extérieur du corps 10 du connecteur 1 , mais à proximité immédiate de la face arrière 100, lorsque le clinquant est enfilé sur les câbles 3, comme il le sera montré en regard des figures 2D et 2E. Les orifices 500 sont dotés avantageusement d'une section circulaire, de diamètre légèrement supérieur au diamètre externe de la gaine 30.This FIG. 2C also shows an essential element of a connector 1 according to the invention. To carry out the "grounding" function, between the braid 31 and the mechanical structure 2 (FIG. 1) of an item of equipment or apparatus, according to a second very important characteristic of the invention, a metal frame 5, which has been called "tinsel", comprising a substantially planar rear wall 50. This rear face 50 is provided with orifices 500 having the same spatial configuration as the orifices 1000 (FIG. 2B), so that the rear wall 50 can be threaded over the cables. In addition, the distance d is such that the stripped zone Zd is outside the body 10 of the connector 1, but in the immediate vicinity of the rear face 100, when the foil is threaded on the cables 3, as it will be shown opposite Figures 2D and 2E. The orifices 500 advantageously have a circular section, with a diameter slightly greater than the external diameter of the sheath 30.
Selon une autre caractéristique, les clinquants 5 sont munies de rabats 51 , repliés à sensiblement vers l'arrière de 90 degrés par rapport à la paroi 50, et comportant un deuxième repli 52 à leurs extrémités, également à 90 degrés et vers l'intérieur. De façon avantageuse, les rabats sont constitués par des pattes de faible largeur, par exemple quatre pattes aux extrémités haute et basse de la paroi arrière 50, sur les deux côtés de celle-ci. La longueur des pattes est telle que les replis d'extrémités 52 emprisonnent la plaque fixe 102 et passent par-devant cette plaque, lorsque le clinquant est en place (voir figures 2D et 2E). La figure 2C illustre le clinquant 5 avant mise en place, c'est-à-dire avant d'être enfilé sur les câbles coaxiaux 3. On a également représenté sur cette figure les orifices de fixation 1020 de la plaque 102.According to another characteristic, the foils 5 are provided with flaps 51, folded back substantially 90 degrees to the wall 50, and having a second fold 52 at their ends, also 90 degrees and inward . Advantageously, the flaps are formed by legs of small width, for example four legs at the top and bottom ends of the rear wall 50, on both sides of the latter. The length of the legs is such that the end folds 52 trap the fixed plate 102 and pass in front of this plate, when the foil is in place (see Figures 2D and 2E). FIG. 2C illustrates the foil 5 before being put in place, that is to say before being put on the coaxial cables 3. Also shown in this figure are the fixing orifices 1020 of the plate 102.
La figure 2D illustre l'ensemble "connecteurl - clinquant 5" monté. La dernière opération, avant la pose du connecteur 1 et de son clinquantFigure 2D illustrates the assembly "connectorl - foil 5" mounted. The last operation, before fitting connector 1 and its foil
5 sur la structure 2 consiste à souder le blindage (tresses 31 ) sur la face arrière 50 du clinquant. Cette étape, également spécifique à l'invention, permet d'assurer une bonne continuité électrique entre le blindage 31 et le clinquant 5. Cette opération peut être réalisée de façon connue, par exemple par brasage à l'aide d'un fer à induction.5 on the structure 2 consists in welding the shielding (braids 31) on the rear face 50 of the foil. This step, also specific to the invention, ensures good electrical continuity between the shielding 31 and the foil 5. This operation can be carried out in a known manner, for example by soldering using an induction iron. .
Comme illustré plus particulièrement par la figure 2E, le corps 10 du connecteur 1 est enfilé dans l'ouverture 20. La paroi 2 est alors mise en appui sur la face avant de la plaque de fixation 102 (position 2' : flèche F). On doit bien comprendre cependant, qu'il s'agit d'un mouvement relatif. Dans la réalité, c'est le connecteur 1 qui est sujet à un mouvement de translation.As illustrated more particularly by FIG. 2E, the body 10 of the connector 1 is threaded into the opening 20. The wall 2 is then supported on the front face of the fixing plate 102 (position 2 ': arrow F). It must be understood, however, that this is a relative movement. In reality, it is the connector 1 which is subject to a translational movement.
La dernière opération, également commune, en soi, avec l'art connu consiste à assujettir l'ensemble "connecteur 1 - clinquant 5" à la paroi 2. On utilise, comme dans le cas de la figure 1 , tout moyen classique approprié, par exemple des organes de type vis-écrou. Les extrémités repliées 52 des pattes 51 sont alors pincées entre l'arrière de cette paroi 2 et la paroi avant 101 du corps 10. Ce pincement assure une bonne continuité électrique entre la paroi 2, et donc l'équipement dont elle fait partie, et le clinquant 5. De ce fait, puisque ce dernier est soudé au blindage 31 , dans la zone de dénudage Zd, on réalise, de façon simple, une mise à la masse mécanique de bonne qualité, entre la structure (représentée par la paroi 2) et le blindage 31 des câbles coaxiaux 3.The last operation, also common in itself, with the prior art, consists in securing the "connector 1 - foil 5" assembly to the wall 2. We use, as in the case of FIG. 1, any suitable conventional means, for example screw-nut type bodies. The folded ends 52 of the legs 51 are then pinched between the rear of this wall 2 and the front wall 101 of the body 10. This pinching ensures good electrical continuity between the wall 2, and therefore the equipment of which it is a part, and the foil 5. Therefore, since the latter is welded to the shielding 31, in the stripping zone Zd, a good quality mechanical grounding is carried out between the structure (represented by wall 2). ) and the shield 31 of the coaxial cables 3.
Pour que la continuité électrique reste assurée dans le temps, il est nécessaire que la surface du clinquant ne s'oxyde pas. Aussi, on procède avantageusement à un traitement de surface initial.For the electrical continuity to remain assured over time, it is necessary that the surface of the foil does not oxidize. Also, an initial surface treatment is advantageously carried out.
Pour fixer les idées, on va maintenant donner un exemple de réalisation pratique du clinquant 5 : matériau constituant le clinquant 5 : cupro bérylium (par exemple connu sous la référence commerciale "UBE 2") ; - traitement de surface : nickelage chimique et étamage local par trempage de matériau de référence commerciale "SN15/CU10", pour permettre le brasage de la face arrière 50 sur le blindage 31 ; épaisseur typique 0,2 mm ; diamètre des orifices 500 = diamètre des câbles 3 (gaine 30) + 1 mm ; - surface de pincement (pattes d'extrémité 52) répartie entre les points de fixation : 200 mm2 minimum ; et distance entre la face arrière 100 du corps 10 du connecteur 1 et la face de brasage 50 du clinquant : 5 mm minimum.To fix the ideas, we will now give a practical example of the foil 5: material constituting the foil 5: cupro berylium (for example known under the commercial reference "UBE 2"); - surface treatment: chemical nickel plating and local tinning by soaking of commercial reference material "SN15 / CU10", to allow soldering of the rear face 50 on the shield 31; typical thickness 0.2 mm; hole diameter 500 = cable diameter 3 (sheath 30) + 1 mm; - clamping surface (end tabs 52) distributed between the fixing points: 200 mm 2 minimum; and distance between the rear face 100 of the body 10 of the connector 1 and the brazing face 50 of the foil: 5 mm minimum.
Comme il a été indiqué, l'invention concerne des connecteurs de différentes formes : section circulaire, rectangulaire, etc. Il va de soi, dans ces conditions, que la forme exacte du clinquant 5 et ses dimensions sont également tributaires de la configuration du connecteur considéré. Cet aspect reste à la portée de l'Homme de Métier, sans qu'il soit besoin de le développer plus avant.As indicated, the invention relates to connectors of different shapes: circular, rectangular section, etc. It goes without saying, under these conditions, that the exact shape of the foil 5 and its dimensions are also dependent on the configuration of the connector considered. This aspect remains within the reach of the skilled person, without it being necessary to develop it further.
A la lecture de ce qui précède, on constate aisément que l'invention atteint bien les buts qu'elle s'est fixés.On reading the above, it is easy to see that the invention achieves the goals it has set for itself.
Si, au moment où une comparaison de prix de revient est effectuée, un connecteur standard coûte typiquement 300 F et un connecteur spécial du type dit "grouding" 2000 F, le surcoût dû au seul clinquant est d'environ 200 F. Il s'ensuit qu'un connecteur selon l'invention, muni de son clinquant, revient typiquement à 500 F, soit quatre fois moins qu'un connecteur dit "grounding" de caractéristiques équivalentes.If, at the time when a cost comparison is made, a standard connector typically costs 300 F and a special connector of the so-called "grouding" type 2000 F, the additional cost due to the foil alone is around 200 F. then that a connector according to the invention, provided with its foil, typically returns to 500 F, or four times less than a connector called "grounding" with equivalent characteristics.
Les matériaux susceptibles d'être utilisés pour réaliser le clinquant sont des matériaux courants. On peut trouver dans le commerce de nombreuses configurations de connecteurs de type standard et des sources d'approvisionnement multiples. Un connecteur selon l'invention, réalisé à base d'un connecteur standard et de l'armature métallique qui a été appelée clinquant, ne présente donc pas les dangers inhérents à une source unique ou quasi unique : pérennité non assurée, risque de rupture de stock, etc.The materials that can be used to make the foil are common materials. Many standard connector configurations and multiple sources of supply can be found commercially. A connector according to the invention, produced on the basis of a standard connector and of the metal frame which has been called a foil, does not therefore present the dangers inherent in a single or almost single source: unsustainability, risk of breakage stock, etc.
Le volume supplémentaire du connecteur selon l'invention par rapport à un connecteur standard est très faible : épaisseur supplémentaire de l'ordre deThe additional volume of the connector according to the invention compared to a standard connector is very small: additional thickness of the order of
5 mm en face arrière, plus l'épaisseur du matériau en face avant (les replis des pattes étant disposés entre la face avant du connecteur et la face arrière de la paroi de l'équipement), soit 2 mm dans l'exemple décrit.5 mm on the rear face, plus the thickness of the material on the front face (the folds of the tabs being arranged between the front face of the connector and the rear face of the wall of the equipment), ie 2 mm in the example described.
Enfin, la mise en œuvre est simple. La réalisation d'un tel connecteur et son montage ne nécessitent pas d'outillage spécifique.Finally, the implementation is simple. The production of such a connector and its assembly do not require specific tools.
Il doit être clair cependant que l'invention n'est pas limitée aux seuls exemples de réalisations explicitement décrits, notamment en relation avec les figures 2A à 2E. Il a été notamment précisé que, bien que l'invention ait été décrite plus particulièrement pour des connecteurs de section circulaire, cette description n'était aucunement limitative de la portée de celle-ci.It should be clear, however, that the invention is not limited to only the examples of embodiments explicitly described, in particular in relation to FIGS. 2A to 2E. It has been specified in particular that, although the invention has been described more particularly for connectors of circular section, this description was in no way limitative of the scope thereof.
D'autre part, les valeurs numériques, par exemple les dimensions géométriques, n'ont été précisées que pour fixer les idées. Elles dépendent essentiellement de l'application précise visée.On the other hand, the numerical values, for example the geometrical dimensions, were specified only to fix the ideas. They essentially depend on the precise application targeted.
Enfin, les matériaux utilisables pour réaliser l'armature de mise à la masse, appelée "clinquant", sont nombreux et participent d'un simple choix technologique à la portée de l'Homme du Métier. Finally, the materials that can be used to make the grounding frame, called "tinsel", are numerous and participate in a simple technological choice within the reach of those skilled in the art.

Claims

REVENDICATIONS
1 . Connecteur du type comprenant un corps principal de forme déterminée, des moyens de fixation en partie solidaires du corps principal et au moins une entrée et/ou sortie avec un câble comportant au moins un blindage externe et sortant par une face dite arrière du connecteur, ledit connecteur étant destiné à être monté sur une paroi en matériau conducteur de l'électricité d'un équipement électrique et/ou électronique et assujetti à cette paroi par lesdits moyens de fixation, caractérisé en ce que chacun desdits blindages externes (31 ) de câble (3) est rendu accessible de l'extérieur dans une zone (Zd) déterminée de l'extrémité dudit câble (3) proche de ladite face arrière (100), en ce qu'il comprend une armature (5) en matériau conducteur de l'électricité comportant au moins une paroi arrière (50) munie d'autant d'orifices (500) que de câbles (3), de manière à pouvoir être enfilés sur ceux-ci, et des ailes latérales (51 ) comportant des replis d'extrémité (52) vers l'intérieur destinés à être insérés et pinces entre lesdits moyens de fixation (102) et ladite paroi en matériau conducteur de l'électricité (2), lorsque le connecteur (1 ) est assujetti à cette paroi (2), et en ce que lesdites zones accessibles de l'extérieur (Zd) dudit blindage (31) sont couplées électriquement à ladite paroi arrière (50) de l'armature (5) au niveau desdits orifices (500), de manière à établir une continuité électrique entre ladite paroi en matériau conducteur de l'électricité (2) et ledit blindage (31 ), lorsque le connecteur (1 ) est assujetti à cette paroi (2).1. Connector of the type comprising a main body of determined shape, fixing means partially integral with the main body and at least one inlet and / or outlet with a cable comprising at least one external shielding and exiting through a so-called rear face of the connector, said connector connector being intended to be mounted on a wall of electrically conductive material of electrical and / or electronic equipment and subject to this wall by said fixing means, characterized in that each of said external cable shields (31) 3) is made accessible from the outside in a determined zone (Zd) from the end of said cable (3) close to said rear face (100), in that it comprises a frame (5) of conductive material of the electricity comprising at least one rear wall (50) provided with as many orifices (500) as there are cables (3), so as to be able to be threaded thereon, and lateral wings (51) comprising folds d 'extr inwardly emitted (52) intended to be inserted and clamps between said fixing means (102) and said wall of electrically conductive material (2), when the connector (1) is secured to this wall (2) , and in that said zones accessible from the outside (Zd) of said shield (31) are electrically coupled to said rear wall (50) of the frame (5) at the level of said orifices (500), so as to establish a electrical continuity between said wall of electrically conductive material (2) and said shield (31), when the connector (1) is secured to this wall (2).
2. Connecteur selon la revendication 1 , caractérisé en ce que ladite paroi arrière (50) de ladite armature (5) est substantiellement plane et de forme rectangulaire, en ce que lesdites ailes latérales sont constituées par quatre pattes (51), deux par côtés, présentant un premier repli de 90 degrés par rapport à ladite paroi arrière de l'armature, et un second repli, d'extrémité (52), de 90 degrés vers l'intérieur, de manière à ce que, lorsque ladite armature (5) est enfilée sur chacun desdits câbles blindés (3), lesdits replis d'extrémité (52) soient disposés entre lesdits moyens de fixation (102) et ladite paroi en matériau conducteur de l'électricité (2), lorsque le connecteur (1 ) y est assujetti. 2. Connector according to claim 1, characterized in that said rear wall (50) of said frame (5) is substantially planar and rectangular in shape, in that said lateral wings are constituted by four legs (51), two by sides , having a first fold of 90 degrees with respect to said rear wall of the frame, and a second end fold (52), of 90 degrees inwards, so that, when said frame (5 ) is threaded on each of said shielded cables (3), said end folds (52) are disposed between said fixing means (102) and said wall of electrically conductive material (2), when the connector (1) is subject to it.
3. Connecteur selon la revendication 2. caractérisé en ce que lesdits moyens de fixation comprennent au moins une plaque (102) sensiblement rectangulaire solidaire dudit corps principal (10), en ce que ladite paroi en matériau conducteur de l'électricité (2) comporte un orifice (20) permettant l'insertion 5 dudit corps principal (10), de manière à ce que ladite plaque (102) puisse être appuyée sur l'une de ses faces et que lesdits replis d'extrémité (52) soient pinces entre cette plaque (102) et la paroi en matériau conducteur de l'électricité (2), et en ce qu'il est prévu des moyens supplémentaires (1020, 200) pour fixer ladite plaque (102) à cette paroi (2).3. Connector according to claim 2. characterized in that said fixing means comprise at least one plate (102) substantially rectangular integral with said main body (10), in that said wall of electrically conductive material (2) comprises an orifice (20) allowing the insertion 5 of said main body (10), so that said plate (102) can be pressed on one of its faces and that said end folds (52) are clamped between this plate (102) and the wall of electrically conductive material (2), and in that it is provided with additional means (1020, 200) for fixing said plate (102) to this wall (2).
ww
4. Connecteur selon la revendication 3. caractérisé en ce que lesdits moyens de fixation complémentaires comprennent des orifices (1020, 200) réalisés en périphérie dudit orifice (20) de ladite paroi en matériau conducteur de l'électricité (2) et de ladite plaque (102), et des organes de type vis-écrou coopérant avec ces orifices (1020, 200) pour réaliser l'assujettissement de4. Connector according to claim 3. characterized in that said complementary fixing means comprise orifices (1020, 200) produced on the periphery of said orifice (20) of said wall of electrically conductive material (2) and said plate (102), and screw-nut type members cooperating with these orifices (1020, 200) in order to secure the
15 ladite paroi (2) et de ladite plaque (102).Said wall (2) and said plate (102).
5. Connecteur selon l'une quelconque des revendications 1 à 4, caractérisé en ce que ledit blindage (31 ) de câble (3) étant recouvert d'une gaine protectrice (30) en matériau isolant électriquement, chacun desdits câbles (3) comporte une zone dénudée (Zd) proche de l'extrémité commune avec ladite face arrière5. Connector according to any one of claims 1 to 4, characterized in that said shield (31) of cable (3) being covered with a protective sheath (30) of electrically insulating material, each of said cables (3) comprises a bare area (Zd) close to the common end with said rear face
20 (100) du connecteur (1 ) de manière à rendre ledit blindage (31 ) accessible de l'extérieur et à permettre ledit couplage électrique avec ladite paroi arrière (50) de ladite armature (5).20 (100) of the connector (1) so as to make said shielding (31) accessible from the outside and to allow said electrical coupling with said rear wall (50) of said frame (5).
6. Connecteur selon l'une quelconque des revendications 1 à 5, caractérisé en ce que ledit couplage électrique entre ladite paroi arrière (50) de ladite6. Connector according to any one of claims 1 to 5, characterized in that said electrical coupling between said rear wall (50) of said
25 armature (5) et ledit blindage (31 ) est constitué par une brasure.25 armature (5) and said shield (31) is constituted by a solder.
7. Connecteur selon l'une quelconque des revendications 1 à 6, caractérisé en ce que chacun desdits câbles blindés (3) est un câble de type coaxial comprenant une âme centrale entourée par une tresse métallique (31 ) formant ledit blindage. 7. Connector according to any one of claims 1 to 6, characterized in that each of said shielded cables (3) is a coaxial type cable comprising a central core surrounded by a metal braid (31) forming said shield.
8. Connecteur selon l'une quelconque des revendications 1 à 7, caractérisé en ce que le matériau constituant ladite armature (5) est à base de cupro béryllium.8. Connector according to any one of claims 1 to 7, characterized in that the material constituting said frame (5) is based on cupro beryllium.
9. Procédé de réalisation et de montage d'un connecteur selon l'une quelconque des revendications précédentes, caractérisé en ce qu'il comprend au moins les étapes suivantes :9. Method for producing and mounting a connector according to any one of the preceding claims, characterized in that it comprises at least the following steps:
- chacun desdits câbles blindés (3) étant muni, sur une extrémité, d'un élément de contact (4) le prolongeant et ledit blindage (31 ) étant recouvert d'une gaine protectrice (30) en matériau isolant électriquement, une étape de dénudage d'une zone de longueur déterminée (Zd) à une distance prédéterminée (d) dudit élément de contact ;each of said screened cables (3) being provided, on one end, with a contact element (4) extending it and said screen (31) being covered with a protective sheath (30) made of electrically insulating material, a step of stripping an area of determined length (Zd) at a predetermined distance (d) from said contact element;
- ledit corps principal (10) étant muni de canaux longitudinaux (1000) le transperçant de part en part, une étape d'insertion chacun desdits éléments de contacts (4) à l'intérieur de ces canaux (1000) de manière à ce que le câble blindé (3) qui lui est relié ressorte par ladite face arrière- said main body (10) being provided with longitudinal channels (1000) piercing it right through, a step of inserting each of said contact elements (4) inside these channels (1000) so that the shielded cable (3) which is connected to it comes out through said rear face
(100) du connecteur (1 ) ;(100) of the connector (1);
- une étape consistant en l'enfilement de ladite paroi arrière (50) de ladite armature (5) sur chacun desdits câbles blindés (3), ces câbles (3) passant au travers desdits orifices (500) de la paroi arrière (50) et le positionnement desdits replis d'extrémité (52) devant lesdits moyens de fixation (102) du connecteur (1 ) ; et- A step consisting in threading said rear wall (50) of said frame (5) on each of said shielded cables (3), these cables (3) passing through said orifices (500) of the rear wall (50) and positioning said end folds (52) in front of said connector fixing means (102) (1); and
- la soudure de ladite paroi arrière sur ladite zone dénudée de blindage de chaque câble blindé (3), de manière à établir une continuité électrique entre ladite armature (5) et chacune desdits blindages (31 ). - Welding of said rear wall on said stripped shielding area of each shielded cable (3), so as to establish electrical continuity between said armature (5) and each of said shields (31).
10 Procédé selon la revendication 9, caractérisé en ce que ladite étape de soudure consiste en un brasage à l'aide d'un fer à induction.10 Method according to claim 9, characterized in that said welding step consists of brazing using an induction iron.
11 Procédé selon les revendications 9 ou 10, caractérisé en ce qu'il comprend une étape subséquente consistant à insérer ledit corps principal (10) dans un orifice (20) de ladite paroi en matériau conducteur de l'électricité (2) et à y assujettir ledit connecteur (1), par l'intermédiaire desdits moyens de fixation (102, 200), de manière à pincer lesdits replis d'extrémité (52) de ladite armature (5) entre lesdits moyens de fixation (102) dudit connecteur (1 ) et ladite paroi (2). 11 Method according to claims 9 or 10, characterized in that it comprises a subsequent step consisting of inserting said main body (10) into an orifice (20) of said wall of electrically conductive material (2) and to securing said connector (1), by means of said fixing means (102, 200), so as to pinch said end folds (52) of said frame (5) between said fixing means (102) of said connector ( 1) and said wall (2).
12. Procédé selon l'une quelconque des revendications 9 à 11 , caractérisé en ce qu'il comprend une étape préliminaire de traitement de surface du matériau constituant ladite armature (5) et en ce que ledit traitement consiste en un nickelage chimique et un étamage local par trempage, de manière à permettre ledit brasage. 12. Method according to any one of claims 9 to 11, characterized in that it comprises a preliminary step of surface treatment of the material constituting said reinforcement (5) and in that said treatment consists of chemical nickel plating and tinning local by dipping, so as to allow said brazing.
EP00922745A 1999-04-27 2000-04-26 Input/output connector with grounded screened cables and method for assembling said connector Expired - Lifetime EP1173905B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9905324 1999-04-27
FR9905324A FR2793609B1 (en) 1999-04-27 1999-04-27 INPUT/OUTPUT TYPE CONNECTOR WITH GROUNDED SHIELDED CABLES AND METHOD FOR MAKING AND ASSEMBLING SUCH A CONNECTOR
PCT/FR2000/001096 WO2000065695A1 (en) 1999-04-27 2000-04-26 Input/output connector with grounded screened cables and method for assembling said connector

Publications (2)

Publication Number Publication Date
EP1173905A1 true EP1173905A1 (en) 2002-01-23
EP1173905B1 EP1173905B1 (en) 2004-03-03

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EP00922745A Expired - Lifetime EP1173905B1 (en) 1999-04-27 2000-04-26 Input/output connector with grounded screened cables and method for assembling said connector

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US (1) US6612870B1 (en)
EP (1) EP1173905B1 (en)
CA (1) CA2371296A1 (en)
DE (1) DE60008719T2 (en)
ES (1) ES2215643T3 (en)
FR (1) FR2793609B1 (en)
WO (1) WO2000065695A1 (en)

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DE60008719D1 (en) 2004-04-08
WO2000065695A1 (en) 2000-11-02
FR2793609B1 (en) 2001-07-13
EP1173905B1 (en) 2004-03-03
FR2793609A1 (en) 2000-11-17
DE60008719T2 (en) 2005-01-13
CA2371296A1 (en) 2000-11-02
US6612870B1 (en) 2003-09-02
ES2215643T3 (en) 2004-10-16

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