EP1482602A1 - Electrical connection device with at least one tubular abutting contact - Google Patents

Electrical connection device with at least one tubular abutting contact Download PDF

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Publication number
EP1482602A1
EP1482602A1 EP04291254A EP04291254A EP1482602A1 EP 1482602 A1 EP1482602 A1 EP 1482602A1 EP 04291254 A EP04291254 A EP 04291254A EP 04291254 A EP04291254 A EP 04291254A EP 1482602 A1 EP1482602 A1 EP 1482602A1
Authority
EP
European Patent Office
Prior art keywords
contact
base
plug
connection device
electrical connection
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP04291254A
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German (de)
French (fr)
Inventor
Gilles Marechal
Joseph Crestin
Fabrice Gilet
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.)
Societe dExploitation des Procedes Marechal SEPM SA
Original Assignee
Societe dExploitation des Procedes Marechal SEPM SA
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Publication date
Application filed by Societe dExploitation des Procedes Marechal SEPM SA filed Critical Societe dExploitation des Procedes Marechal SEPM SA
Publication of EP1482602A1 publication Critical patent/EP1482602A1/en
Withdrawn legal-status Critical Current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
    • H01R24/20—Coupling parts carrying sockets, clips or analogous contacts and secured only to wire or 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
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/44—Means for preventing access to live 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
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2101/00—One pole
    • 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
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/10—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation
    • H01R4/18—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping

Definitions

  • the invention relates to an electrical connection device formed by a base active and a plug provided with at least one contact which is intended to cooperate with a antagonistic contact of the base arranged in an insulator, which insulator is provided with minus one passage for the introduction of said plug contact during coupling of the latter with the base.
  • connection devices concerned by the invention are in particular the sockets, extenders and connectors.
  • connection devices present many problems with solve according to their applications and in particular security problems.
  • a finger is used articulated test defined according to a standard.
  • the tests consist in not being able to make contact between the finger standard test and the live parts of the device to be tested by attempting to introduce the test finger in all possible positions, these tests being all the more difficult to satisfy that the currents used are of high intensities.
  • a plug should not be able to mate with a base only insofar as there is electrical compatibility between them so that the currents and / or voltages and / or electrical powers correspond by one connecting element to each other.
  • connection devices require or recommend the use of pilot contacts intended, for example, to remotely control the current flow.
  • pilot contacts intended, for example, to remotely control the current flow.
  • the space required for pilot contacts is often insufficient in conventional devices, in particular for connectors unipolar.
  • the inventors have imagined a contact which makes it possible to resolve in at the same time several of the problems posed.
  • connection device of the aforementioned type of known art, formed by an active base and a plug provided with at least one tubular contact which is coaxial with the direction coupling of the plug and the base, and which is intended to cooperate with a contact antagonist of the base arranged in an insulator, which insulator is provided with at least a passage in the form of an annular groove for the introduction of said contact the plug when the latter is coupled with the base, this device being particularly remarkable in that each contact of the base is under the form of an axial pressure contact, that each passage of the insulation in the form of annular groove is intended for the passage of a single contact of the plug while being in in addition to at least partially opening axially in the zone of said contact of the base, while each contact on the plug cooperates with the corresponding contact on the base, by at least part of the edge of its front end which is applied on said base contact.
  • such a tubular contact and the annular groove of the base can at the same time constitute mechanical coding means of compatibility between the plug and the base since then so that a plug can mate with a base, the tubular contact of the plug must be introduced into the annular groove of the base.
  • One or more tubular contacts also allow coupling of the elements without compulsory angular orientation of the plug and the base, which is very advantageous, especially with the use of large cables since it avoids any twisting.
  • one or more tubular contacts also allow to clear a space free interior in each contact that we can take advantage of, for example to have it pilot contacts.
  • connection devices multipolar or not it is particularly interesting to constitute a device unipolar connection in the sense of power contacts, and in particular for high intensity currents.
  • the plug and the base only have one contact apart from any pilot contacts, the plug contact being for example provided with a crimping head in or on which a cable is crimped.
  • This mode of unipolar realization which is the solution to the original problem submitted to the inventors, still shows the fundamental difference compared to the known art of aforementioned documents DE-196 38 157 or US-5,759,069 A whose purpose is to allow on the contrary, in a limited space, to realize a multipolar device.
  • connection device formed by a base and a cooperating plug, it also further relates to a plug or socket separately intended to constitute such a connection device.
  • connection device unipolar that is to say that the plug 1 and the base 2 which constitute it do not include each one power contact (phase, neutral, earth, ).
  • a device of the extension type is shown here, that is to say with a base and a plug, both mobile, the base constituting according to vocabulary of international standards, a mobile outlet.
  • the base and the plug extension are intended to mate by various mechanical means to establish an electrical connection between their contacts.
  • base could be fixed to constitute the base of a socket outlet according to the vocabulary of international standards, or on the contrary, the plug could be fixed and constitute the base of a connector according to said standards.
  • Sheet 1 includes, as the drawings clearly show, a tubular casing 3 in the interior space of which is therefore arranged in this example, a single contact 4 of power in the very particular form of a ring or tube entirely in conductive material.
  • the base 2 is also provided with a casing 5 intended to receive the casing 3 of the plug which is inserted into said base casing during coupling.
  • the base 2 has inside its casing 5, an insulator 6 which protects access to a contact 7 of the base ( Figures 3 and 4).
  • the contact 7 of the base 2 is here in the form of a flexible blade offset, forming a spring and / or provided with a spring.
  • Contact 7 of the axial pressure base is accessible to contact 4 of the plug by means of a passage 8 formed in the insulation 6 of said base so that the end edge of the tubular contact can be applied to the contact of the base so as to form an end contact under pressure.
  • the passage 8 of the base 2 has the form of an annular groove which is at least partially opened axially opposite the contact 7 of said base.
  • the tubular contact 4 of the plug is here provided with a crimping head in or on which a cable 9 is crimped (Figure 1), the base being also provided here with a cable 10 (figure 3).
  • the plug 1 of Figures 1 and 2 can only mate with the base 2 of Figures 3 and 4 only on condition that the diameter and thickness of the tubular contact 4 of said plug corresponds to the diameter and respectively to the thickness of the annular groove 8 of the insulator 6 of the base 2.
  • one of the many advantages of such contact tubular 4 makes it possible to release a free space which can be used in particular for have for example one or more pilot contacts (intended for example to control remote current flow) like the coaxial pilot contacts 11 and 12 of the sheet 1, shown in Figures 1 and 2 and which are intended to cooperate with antagonistic contacts 13, 14 of the base 2 ( Figures 3 and 4).
  • the pilot contacts 11, 12 of the plug 1 pass in this example through a additional passage 15 provided in the insulation 6 of the base 2 ( Figures 3 and 4).
  • the invention relates to many other embodiments than the one described, to one or more contacts.
  • the or the tubular contacts of a plug associated with the annular groove or grooves of a base, offer the advantages already mentioned about finger protection standard test, the or each passage 8 in the form of an annular groove of a base being intended for the passage of a single tubular contact 4 of the plug corresponding.

Abstract

The device has an active socket, and a male plug (1) with a tubular contact (4). An insulator has a passage for introduction of the contact into the plug at the time of coupling the plug with the socket. The contact of the plug cooperates with another contact of the socket, by a section of sockets front end which is arranged on the contact of the socket.

Description

L'invention concerne un dispositif de connexion électrique formé d'un socle actif et d'une fiche munie d'au moins un contact qui est destiné à coopérer avec un contact antagoniste du socle aménagé dans un isolant, lequel isolant est pourvu d'au moins un passage pour l'introduction dudit contact de la fiche lors de l'accouplement de cette dernière avec le socle.The invention relates to an electrical connection device formed by a base active and a plug provided with at least one contact which is intended to cooperate with a antagonistic contact of the base arranged in an insulator, which insulator is provided with minus one passage for the introduction of said plug contact during coupling of the latter with the base.

Les dispositifs de connexion concernés par l'invention sont notamment les prises de courant, les prolongateurs et les connecteurs.The connection devices concerned by the invention are in particular the sockets, extenders and connectors.

De tels dispositifs de connexion présentent de nombreux problèmes à résoudre en fonction de leurs applications et notamment des problèmes de sécurité.Such connection devices present many problems with solve according to their applications and in particular security problems.

En particulier, il est connu que pour répondre aux normes en vigueur en vue d'assurer la sécurité des personnes et des biens, les appareils électriques doivent offrir un degré de protection minimum contre l'accès des pièces sous tension.In particular, it is known that to meet the standards in force in view to ensure the safety of people and property, electrical appliances must offer a minimum degree of protection against access to live parts.

Pour vérifier qu'une telle protection est respectée, on utilise un doigt d'épreuve articulé défini selon une norme.To verify that such protection is respected, a finger is used articulated test defined according to a standard.

Les essais consistent à ne pas pouvoir réaliser un contact entre le doigt d'épreuve normalisé et les parties sous tension de l'appareil à tester en tentant d'introduire le doigt d'épreuve dans toutes les positions possibles, ces tests étant d'autant plus difficiles à satisfaire que les courants utilisés sont de fortes intensités.The tests consist in not being able to make contact between the finger standard test and the live parts of the device to be tested by attempting to introduce the test finger in all possible positions, these tests being all the more difficult to satisfy that the currents used are of high intensities.

En outre, il est clair aussi qu' une fiche ne devrait pouvoir s'accoupler avec un socle que dans la mesure où il y a compatibilité électrique entre eux afin que les intensités et/ou les tensions et/ou les puissances électriques correspondent d'un élément de connexion à l'autre.In addition, it is also clear that a plug should not be able to mate with a base only insofar as there is electrical compatibility between them so that the currents and / or voltages and / or electrical powers correspond by one connecting element to each other.

A cet effet, on cherche à empêcher l'accouplement de deux éléments de connexion incompatibles électriquement entre eux par des moyens mécaniques, ce qui est rendu encore plus difficile du fait d'une standardisation des pièces constitutives des éléments, notamment pour des raisons de coûts de revient.To this end, it is sought to prevent the coupling of two elements of electrically incompatible connection to each other by mechanical means, this which is made even more difficult due to a standardization of the constituent parts elements, in particular for cost reasons.

Par ailleurs, certains dispositifs de connexion nécessitent ou préconisent l'utilisation de contacts pilotes destinés, par exemple, à commander à distance le passage du courant. Or, l'espace nécessaire pour les contacts pilotes est souvent insuffisant dans les dispositifs classiques en particulier pour les connecteurs unipolaires.In addition, certain connection devices require or recommend the use of pilot contacts intended, for example, to remotely control the current flow. However, the space required for pilot contacts is often insufficient in conventional devices, in particular for connectors unipolar.

Les inventeurs ont imaginé un contact qui permet justement de résoudre en même temps plusieurs des problèmes posés.The inventors have imagined a contact which makes it possible to resolve in at the same time several of the problems posed.

Le document DE-196 38 157 et les membres de sa famille, tel le document US-5,759,069 A, décrivent un dispositif de connexion électrique destiné aux appareils du type audio ou similaire dont les problèmes à résoudre ne concernent pas la sécurité ni les autres problèmes précités, du fait des courants faibles utilisés.Document DE-196 38 157 and the members of his family, such as the document US-5,759,069 A, describe an electrical connection device for devices of the audio or similar type whose problems to be solved do not concern the safety nor the other aforementioned problems, due to the low currents used.

Afin de résoudre ces problèmes et permettre de concevoir un dispositif de connexion ayant les avantages des contacts à pression en bout, l'invention propose un dispositif de connexion du type précité de l'art connu, formé d'un socle actif et d'une fiche munie d'au moins un contact tubulaire qui est coaxial à la direction d'accouplement de la fiche et du socle, et qui est destiné à coopérer avec un contact antagoniste du socle aménagé dans un isolant, lequel isolant est pourvu d'au moins un passage sous la forme d'une rainure annulaire pour l'introduction dudit contact de la fiche lors de l'accouplement de cette dernière avec le socle, ce dispositif étant notamment remarquable en ce que chaque contact du socle se présente sous la forme d'un contact à pression axiale, que chaque passage de l'isolant en forme de rainure annulaire est destiné au passage d'un seul contact de la fiche en étant en outre au moins en partie débouché axialement dans la zone dudit contact du socle, tandis que chaque contact de la fiche coopère avec le contact correspondant du socle, par au moins une partie de la tranche de son extrémité frontale qui vient s'appliquer sur ledit contact du socle.In order to solve these problems and allow the design of a connection having the advantages of pressure contacts at the end, the invention proposes a connection device of the aforementioned type of known art, formed by an active base and a plug provided with at least one tubular contact which is coaxial with the direction coupling of the plug and the base, and which is intended to cooperate with a contact antagonist of the base arranged in an insulator, which insulator is provided with at least a passage in the form of an annular groove for the introduction of said contact the plug when the latter is coupled with the base, this device being particularly remarkable in that each contact of the base is under the form of an axial pressure contact, that each passage of the insulation in the form of annular groove is intended for the passage of a single contact of the plug while being in in addition to at least partially opening axially in the zone of said contact of the base, while each contact on the plug cooperates with the corresponding contact on the base, by at least part of the edge of its front end which is applied on said base contact.

On comprend que dans ce cas, on peut notamment répondre de manière astucieuse et avantageuse aux tests précités du doigt d'épreuve, du fait de la réduction à une simple rainure annulaire du passage ménagé dans l'isolant du socle, alors que le dispositif mentionné ci-avant de l'art connu ne pouvait que détourner les inventeurs de la solution puisque le dispositif connu concerne essentiellement une fiche et que l'accessibilité d'un doigt d'épreuve aux contacts du socle n'est pas le problème à résoudre dans ce dispositif connu.We understand that in this case, we can respond in particular to clever and advantageous to the aforementioned test finger tests, due to the reduction to a simple annular groove of the passage formed in the insulation of the base, whereas the aforementioned device of known art could only divert the inventors of the solution since the known device essentially relates to a plug and that the accessibility of a test finger to the contacts on the base is not problem to be solved in this known device.

Selon l'invention, un tel contact tubulaire et la rainure annulaire du socle peuvent constituer en même temps des moyens de codage mécaniques de compatibilité entre la fiche et le socle puisqu'alors pour qu'une fiche puisse s'accoupler avec un socle, il faut que le contact tubulaire de la fiche s'introduise dans la rainure annulaire du socle.According to the invention, such a tubular contact and the annular groove of the base can at the same time constitute mechanical coding means of compatibility between the plug and the base since then so that a plug can mate with a base, the tubular contact of the plug must be introduced into the annular groove of the base.

Un ou des contacts tubulaires permettent de plus un accouplement des éléments sans orientation angulaire obligatoire de la fiche et du socle, ce qui est très avantageux, notamment avec l'utilisation de gros câbles puisqu'on évite toute torsion.One or more tubular contacts also allow coupling of the elements without compulsory angular orientation of the plug and the base, which is very advantageous, especially with the use of large cables since it avoids any twisting.

Enfin, un ou des contacts tubulaires permettent aussi de dégager un espace intérieur libre dans chaque contact dont on peut profiter, par exemple pour y disposer des contacts pilotes. Finally, one or more tubular contacts also allow to clear a space free interior in each contact that we can take advantage of, for example to have it pilot contacts.

Bien que l'invention concerne tous types de dispositifs de connexion multipolaires ou non, elle est particulièrement intéressante pour constituer un dispositif de connexion unipolaire au sens des contacts de puissance, et en particulier pour des courants de fortes intensités. La fiche et le socle ne possèdent alors qu'un seul contact hormis les éventuels contacts pilotes, le contact de la fiche étant par exemple pourvu d'une tête de sertissage dans ou sur laquelle est serti un câble. Ce mode de réalisation unipolaire, qui est la solution au problème d'origine soumis aux inventeurs, montre bien encore la différence fondamentale par rapport à l'art connu des documents précités DE-196 38 157 ou US-5,759,069 A dont le but est de permettre dans un espace restreint de réaliser, au contraire, un dispositif multipolaire.Although the invention relates to all types of connection devices multipolar or not, it is particularly interesting to constitute a device unipolar connection in the sense of power contacts, and in particular for high intensity currents. The plug and the base only have one contact apart from any pilot contacts, the plug contact being for example provided with a crimping head in or on which a cable is crimped. This mode of unipolar realization, which is the solution to the original problem submitted to the inventors, still shows the fundamental difference compared to the known art of aforementioned documents DE-196 38 157 or US-5,759,069 A whose purpose is to allow on the contrary, in a limited space, to realize a multipolar device.

Si l'invention concerne un dispositif de connexion formé d'un socle et d'une fiche qui coopèrent, elle concerne aussi en outre une fiche ou un socle pris séparément destinés à constituer un tel dispositif de connexion.If the invention relates to a connection device formed by a base and a cooperating plug, it also further relates to a plug or socket separately intended to constitute such a connection device.

L'invention sera bien comprise à la lecture de la description qui va suivre et qui se réfère aux dessins annexés dans lesquels :

  • les figures 1 et 2 montrent en perspective et en coupe partielle pour la figure 1, une fiche selon l'invention,
  • les figures 3 et 4 montrent en perspective et en coupe partielle pour la figure 3, un socle selon l'invention, destiné à s'accoupler avec la fiche des figures 1 et 2,
The invention will be clearly understood on reading the description which follows and which refers to the appended drawings in which:
  • FIGS. 1 and 2 show in perspective and in partial section for FIG. 1, a sheet according to the invention,
  • FIGS. 3 and 4 show in perspective and in partial section for FIG. 3, a base according to the invention, intended to couple with the plug of FIGS. 1 and 2,

A titre d'exemple et parce que l'invention est particulièrement bien adaptée à ce type de dispositif, le mode de réalisation représenté est un dispositif de connexion unipolaire, c'est-à-dire que la fiche 1 et le socle 2 qui le constituent ne comportent chacun qu'un seul contact de puissance (phase, neutre, terre, ...).By way of example and because the invention is particularly well suited to this type of device, the embodiment shown is a connection device unipolar, that is to say that the plug 1 and the base 2 which constitute it do not include each one power contact (phase, neutral, earth, ...).

En outre, on a représenté ici un dispositif du type prolongateur, c'est-à-dire avec un socle et une fiche, tous les deux mobiles, le socle constituant selon le vocabulaire des normes internationales, une prise mobile. Le socle et la fiche du prolongateur sont destinés à s'accoupler par divers moyens mécaniques afin d'établir une connexion électrique entre leurs contacts.In addition, a device of the extension type is shown here, that is to say with a base and a plug, both mobile, the base constituting according to vocabulary of international standards, a mobile outlet. The base and the plug extension are intended to mate by various mechanical means to establish an electrical connection between their contacts.

C'est donc par un soucis de simplification que l'on utilise les mots « socle » et « fiche » mais il est clair que le socle pourrait être fixe pour constituer le socle d'une prise de courant selon le vocabulaire des normes internationales, ou au contraire, la fiche pourrait être fixe et constituer le socle d'un connecteur selon lesdites normes.It is therefore for the sake of simplification that we use the words "base" and "Plug" but it is clear that the base could be fixed to constitute the base of a socket outlet according to the vocabulary of international standards, or on the contrary, the plug could be fixed and constitute the base of a connector according to said standards.

La fiche 1 comporte, comme le montrent bien les dessins, un carter tubulaire 3 dans l'espace intérieur duquel est donc aménagé dans cet exemple, un seul contact 4 de puissance sous la forme très particulière d'un anneau ou tube entièrement en matériau conducteur.Sheet 1 includes, as the drawings clearly show, a tubular casing 3 in the interior space of which is therefore arranged in this example, a single contact 4 of power in the very particular form of a ring or tube entirely in conductive material.

Le socle 2 est muni également d'un carter 5 destiné à recevoir le carter 3 de la fiche qui vient s'insérer dans ledit carter du socle au cours de l'accouplement.The base 2 is also provided with a casing 5 intended to receive the casing 3 of the plug which is inserted into said base casing during coupling.

Le socle 2 présente à l'intérieur de son carter 5, un isolant 6 qui protège l'accès à un contact 7 du socle (figures 3 et 4).The base 2 has inside its casing 5, an insulator 6 which protects access to a contact 7 of the base (Figures 3 and 4).

Le contact 7 du socle 2 se présente ici sous la forme d'une lame flexible excentrée, formant ressort et/ou munie d'un ressort.The contact 7 of the base 2 is here in the form of a flexible blade offset, forming a spring and / or provided with a spring.

Le contact 7 du socle à pression axiale est accessible au contact 4 de la fiche au moyen d'un passage 8 ménagé dans l'isolant 6 dudit socle de telle sorte que la tranche d'extrémité du contact tubulaire puisse venir s'appliquer sur le contact du socle de manière à former un contact en bout sous pression.Contact 7 of the axial pressure base is accessible to contact 4 of the plug by means of a passage 8 formed in the insulation 6 of said base so that the end edge of the tubular contact can be applied to the contact of the base so as to form an end contact under pressure.

A cet effet, le passage 8 du socle 2 présente la forme d'une rainure annulaire qui est au moins en partie débouchée axialement en regard du contact 7 dudit socle.To this end, the passage 8 of the base 2 has the form of an annular groove which is at least partially opened axially opposite the contact 7 of said base.

Le contact tubulaire 4 de la fiche est pourvu ici d'une tête de sertissage dans ou sur laquelle est serti un câble 9 (figure 1 ), le socle étant également pourvu ici d'un câble 10 (figure 3).The tubular contact 4 of the plug is here provided with a crimping head in or on which a cable 9 is crimped (Figure 1), the base being also provided here with a cable 10 (figure 3).

On comprend aussi qu'outre l'éventuelle absence d'orientation angulaire imposée de la fiche par rapport au socle pour l'accouplement, la fiche 1 des figures 1 et 2 ne peut s'accoupler avec le socle 2 des figures 3 et 4 qu'à la condition que le diamètre et l'épaisseur du contact tubulaire 4 de ladite fiche corresponde au diamètre et respectivement à l'épaisseur de la rainure annulaire 8 de l'isolant 6 du socle 2.We also understand that in addition to the possible absence of angular orientation imposed of the plug relative to the base for coupling, the plug 1 of Figures 1 and 2 can only mate with the base 2 of Figures 3 and 4 only on condition that the diameter and thickness of the tubular contact 4 of said plug corresponds to the diameter and respectively to the thickness of the annular groove 8 of the insulator 6 of the base 2.

Ainsi selon la nature du courant électrique du socle, on peut empêcher un accouplement inapproprié d'une fiche non munie d'un contact tubulaire compatible.Thus, depending on the nature of the electrical current of the base, one can prevent a improper coupling of a plug without a compatible tubular contact.

De plus, comme déjà dit, l'un des nombreux avantages d'un tel contact tubulaire 4 permet de dégager un espace libre qui peut être notamment utilisé pour y disposer par exemple un ou des contacts pilotes (destinés par exemple à commander à distance le passage du courant) comme les contacts pilotes coaxiaux 11 et 12 de la fiche 1, représentés sur les figures 1 et 2 et qui sont destinés à coopérer avec des contacts antagonistes 13, 14 du socle 2 (figures 3 et 4). In addition, as already said, one of the many advantages of such contact tubular 4 makes it possible to release a free space which can be used in particular for have for example one or more pilot contacts (intended for example to control remote current flow) like the coaxial pilot contacts 11 and 12 of the sheet 1, shown in Figures 1 and 2 and which are intended to cooperate with antagonistic contacts 13, 14 of the base 2 (Figures 3 and 4).

Les contacts pilotes 11, 12 de la fiche 1 passent dans cet exemple par un passage supplémentaire 15 ménagée dans l'isolant 6 du socle 2 (figures 3 et 4).The pilot contacts 11, 12 of the plug 1 pass in this example through a additional passage 15 provided in the insulation 6 of the base 2 (Figures 3 and 4).

Comme déjà dit aussi, l'invention concerne bien d'autres modes de réalisation que celui décrit, à un ou plusieurs contacts.As already said also, the invention relates to many other embodiments than the one described, to one or more contacts.

De la sorte, outre tous les avantages des contacts à pression en bout, le ou les contacts tubulaires d'une fiche, associés à la ou aux rainures annulaires d'un socle, offrent les avantages déjà mentionnés à propos de la protection au doigt d'épreuve normalisé, le ou chaque passage 8 sous forme de rainure annulaire d'un socle étant destiné au passage d'un seul contact tubulaire 4 de la fiche correspondante.In this way, in addition to all the advantages of end pressure contacts, the or the tubular contacts of a plug, associated with the annular groove or grooves of a base, offer the advantages already mentioned about finger protection standard test, the or each passage 8 in the form of an annular groove of a base being intended for the passage of a single tubular contact 4 of the plug corresponding.

Claims (6)

Dispositif de connexion électrique formé d'un socle actif (2) et d'une fiche (1) munie d'au moins un contact (4) tubulaire qui est coaxial à la direction d'accouplement de la fiche et du socle, et qui est destiné à coopérer avec un contact antagoniste (7) du socle aménagé dans un isolant (6), lequel isolant est pourvu d'au moins un passage (8) sous la forme d'une rainure annulaire pour l'introduction dudit contact (4) de la fiche (1) lors de l'accouplement de cette dernière avec le socle, caractérisé en ce que chaque contact (7) du socle (2) se présente sous la forme d'un contact à pression axiale, que chaque passage (8) de l'isolant (6) en forme de rainure annulaire est destiné au passage d'un seul contact (4) de la fiche en étant en outre au moins en partie débouché axialement dans la zone dudit contact (7) du socle, tandis que chaque contact (4) de la fiche coopère avec le contact (7) correspondant du socle, par au moins une partie de la tranche de son extrémité frontale qui vient s'appliquer sur ledit contact (7) du socle.Electrical connection device formed by an active base (2) and a plug (1) provided with at least one tubular contact (4) which is coaxial with the direction of coupling of the plug and the base, and which is intended to cooperate with an antagonistic contact (7) of the base arranged in an insulator (6), which insulator is provided with at least one passage (8) in the form of an annular groove for the introduction of said contact (4 ) of the plug (1) during the coupling of the latter with the base, characterized in that each contact (7) of the base (2) is in the form of an axial pressure contact, that each passage ( 8) of the insulator (6) in the form of an annular groove is intended for the passage of a single contact (4) of the plug, being furthermore at least partially axially opened in the zone of said contact (7) of the base, while each contact (4) of the plug cooperates with the contact (7) corresponding to the base, by at least part of the edge of its end front which is applied to said contact (7) of the base. Dispositif de connexion électrique selon la revendication 1, caractérisé en ce que des contacts pilotes (9,10) sont ménagés dans l'espace intérieur d'au moins un contact tubulaire (4) de la fiche (1).Electrical connection device according to claim 1, characterized in that pilot contacts (9,10) are provided in the interior space of at least one tubular contact (4) of the plug (1). Dispositif de connexion électrique selon l'une des revendications 1 et 2, caractérisé en ce que la fiche (1) et le socle (2) ne comportent chacun qu'un seul contact (4 ; 7) hormis d'éventuels contacts pilotes, afin de constituer un dispositif de connexion unipolaire.Electrical connection device according to one of claims 1 and 2, characterized in that the plug (1) and the base (2) each have only one contact (4; 7) apart from any pilot contacts, so to constitute a unipolar connection device. Dispositif de connexion électrique selon la revendication 3, caractérisé en ce que le contact (4) de la fiche (1) est pourvu d'une tête de sertissage dans ou sur laquelle est serti un câble (9).Electrical connection device according to claim 3, characterized in that the contact (4) of the plug (1) is provided with a crimping head in or on which a cable (9) is crimped. Fiche (1) destinée à constituer la fiche d'un dispositif de connexion électrique selon l'une des revendications 1 à 4.Plug (1) intended to constitute the plug of a connection device electric according to one of claims 1 to 4. Socle (2) destiné à constituer le socle d'un dispositif de connexion électrique selon l'une des revendications 1 à 4.Base (2) intended to constitute the base of a connection device electric according to one of claims 1 to 4.
EP04291254A 2003-05-27 2004-05-17 Electrical connection device with at least one tubular abutting contact Withdrawn EP1482602A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0306394A FR2855660B1 (en) 2003-05-27 2003-05-27 ELECTRICAL CONNECTION DEVICE PROVIDED WITH AT LEAST ONE TUBULAR END CONTACT
FR0306394 2003-05-27

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EP1482602A1 true EP1482602A1 (en) 2004-12-01

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EP04291254A Withdrawn EP1482602A1 (en) 2003-05-27 2004-05-17 Electrical connection device with at least one tubular abutting contact

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US (1) US7147518B2 (en)
EP (1) EP1482602A1 (en)
AU (1) AU2004202086B2 (en)
FR (1) FR2855660B1 (en)

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Also Published As

Publication number Publication date
FR2855660B1 (en) 2005-08-19
US7147518B2 (en) 2006-12-12
FR2855660A1 (en) 2004-12-03
US20040266260A1 (en) 2004-12-30
AU2004202086B2 (en) 2008-12-18
AU2004202086A1 (en) 2004-12-16

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