EP1239554A1 - Electrical connection device - Google Patents

Electrical connection device Download PDF

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Publication number
EP1239554A1
EP1239554A1 EP02290244A EP02290244A EP1239554A1 EP 1239554 A1 EP1239554 A1 EP 1239554A1 EP 02290244 A EP02290244 A EP 02290244A EP 02290244 A EP02290244 A EP 02290244A EP 1239554 A1 EP1239554 A1 EP 1239554A1
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EP
European Patent Office
Prior art keywords
fixed
electrical connection
electronic device
electrical
fixed element
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
EP02290244A
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German (de)
French (fr)
Other versions
EP1239554B1 (en
Inventor
Jean-Christophe Villain
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.)
Z124 Co
Original Assignee
Alcatel CIT SA
Alcatel SA
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Publication date
Application filed by Alcatel CIT SA, Alcatel SA filed Critical Alcatel CIT SA
Publication of EP1239554A1 publication Critical patent/EP1239554A1/en
Application granted granted Critical
Publication of EP1239554B1 publication Critical patent/EP1239554B1/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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R35/00—Flexible or turnable line connectors, i.e. the rotation angle being limited
    • H01R35/04—Turnable line connectors with limited rotation angle with frictional contact members
    • 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

Definitions

  • connection devices that are used to connect electrically two electrical devices or electronics, such as a telephone device portable to a battery charger or headset listening.
  • jack which are in the form of a sheath, generally of circular section, in the opening of which comes snap on a circular cross-section spindle.
  • the scabbard is carried by the device while the spindle constitutes the end of a cable with several conductors.
  • the sheath and the pin each have as many parts lengthwise separated by insulating parts, conductive parts cooperating sheath and spindle to make electrical contact between them.
  • An object of the present invention is therefore to provide a electrical connection device between a cable and a electrical / electronic device that does not have the disadvantages of connection devices electric of the prior art, in particular of the "jack" type listed above.
  • This goal is achieved by implementing a electrical connection in two parts, part of which has connected circular conductive tracks electrically to conductors to be connected while the other part has elastic contacts each cooperating with a conductive circular track and electrically connected to conductors at connect, the two parts of the connection device electric being assembled by a snap elastic that maintains pressure between each track conductive circular and elastic contact corresponding.
  • the invention relates more particularly to an element fixed electrical connection of an electronic device to connect at least one electrical conductor the electronic device to a moving part of electrical connection located outside the electronic device, characterized in that it includes, on the outside of the electronic device, at least one conductive circular track arranged on a front face, said conductive circular track being connected, on the inside of the device electronic, to a rear side of said conductor electrical appliance electronics by through an electrical conductor arranged in a bore passing through the fixed element.
  • the conductor passing through the element fixed is electrically connected to an elastic contact provided to cooperate with a fixed electrical terminal of the electronic device comprising said conductor electrical appliance.
  • the elastic contact of the fixed element has a first end which is movable to cooperate with said fixed terminal of the electronic device and a second end which is fixed and integral with the fixed element.
  • the fixed element further comprises at least one electrical conductor arranged on the external surface of said fixed element for electrically connecting to minus a circular part from the front to the face rear of the fixed element.
  • the electrical conductor arranged on the external surface is connected to an elastic contact arranged on the face rear of the fixed element.
  • the electrical conductor arranged on the external surface of the fixed element is in the form of a layer conductive deposited on all or part of the surface external.
  • the front face of the fixed element comprises means assembly, such as a groove, provided to cooperate with the mobile element of electrical connection.
  • the fixed element of electrical connection comprises, in in addition, mounting means for fixing it so removable on the electronic device and means attached to the electronic device to cooperate with the mounting means to set up and keep said element fixed.
  • These mounting means comprise an elastic ring designed to snap into place on a groove of the front face of the fixed element.
  • the elastic ring includes longitudinal slots to increase elasticity.
  • the elastic ring is made of insulating material or conductive material, this cooperating conductive material with the electrical conductors arranged on the external surface of the fixed element, especially when these conductors are in the form of conductive layers covering all or part of the external surface of the fixed element.
  • the invention also relates to a device for electrical connection characterized in that it comprises a fixed element and a mobile element as defined above, the movable element snapping onto the face front of the fixed element.
  • the invention further relates to an apparatus electronics comprising a fixed element as defined above.
  • An electrical connection device 10 according to the invention comprises two separate parts or elements 12 and 14 which are snapped together elastic type for example.
  • the one that is connected to a cable with n conductors includes n contacts elastic bands 16 which are housed in a shaped socket 18 elbow or straight.
  • the socket 18 is made of material insulator, for example rigid plastic.
  • An extremity 20 of each electrical contact 18 comes out from one side 26 of the bend to be connected to a cable conductor while the other end 22 is curved in shape of U to form an elastic contact 24 which emerges from the other side 28 of the elbow relative to a bottom 30.
  • the side 28 of the elbow extends beyond the bottom 30 and contacts 24 in the form of a section ring 32 circular whose elastic end 34 comes snap into a circular groove 36 of the part 14.
  • This ring 32 is preferably made of conductive metal electric and can have three slots 60 on its outer periphery, which gives it better elasticity for the snap on part 14. The that this ring 32 is conductive is set to profit to detect the electrical connection between two parts of the connection device.
  • the ring 32 can be, in certain applications, in insulating material such as socket 18 and, in this case is an integral part of the latter and presents the slots 60 for obtaining a better snap elasticity.
  • Part 14 the one that is connected to some electronic circuits of the device to be connected to cable, has a generally cylindrical shape of revolution having circular grooves 36 and 38.
  • Each circular track 62, 64 and 66 is associated respectively a through bore 72, 74 and 76 which is used for the passage of a connecting conductor between a track and one of the three electrical output contacts 82, 84 and 86 to the electronic circuits.
  • This connecting conductor between the circular track 62, 64 or 66 and the corresponding contact 82, 84 and 86 is made, for example, as a layer conductive lining the walls of the bore corresponding.
  • Each bore opens from one side to a conductive circular track and, on the other side, on a conductive layer 92 for the bore 72, 94 for bore 74 and 96 for bore 76.
  • Each conductive circular track is isolated from a adjacent circular track by a circular area insulator 42a, 42b, 42c corresponding to the absence of driver deposit. It is the same with the layers conductors 92, 94 and 96 which are separated from each other others by insulating zones 60.
  • the other two electrical contacts 88 and 90 intended to be connected to electronic circuits and arranged on either side of the central contacts 82, 84 and 86, are each electrically connected to a conductive layer 100 and 102 covering the surface part 14, including grooves 34 and 38.
  • These conductive layers 100 and 102 are isolated electrically from one another by a zone 104 without conductor depot, this zone 104 delimiting each layer 100 and 102 to one half of the outer surface in ending, on one side, in the insulating circular zone 42c of larger diameter and, on the other side, at the insulating zone 60b and 60a.
  • Part 14 in particular the electrical contacts 82 to 90, is provided to cooperate with the support 50 of the electronic circuits and, more specifically, with the output terminals of these electronic circuits.
  • the contacts 82 to 90 are arranged on a plate 52 which must be arranged parallel to the support 50, the plate extending laterally, the lateral extensions 54 coming to be embedded in cutouts 56 of the walls of the housing 58 containing the electronic circuits arranged on the support 50.
  • part 14 is maintained on the housing by a cutout 42 cooperating with the groove 38.

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Connections Arranged To Contact A Plurality Of Conductors (AREA)
  • Connector Housings Or Holding Contact Members (AREA)

Abstract

The fixed to removable element connector has a circular conductor track (62,64,66) on the front face. The rear face connection of the electronic apparatus to the conductor tracks is by electrical conductor elements placed in reamed out elements (72,74,76) in the fixed element block.

Description

L'invention concerne les dispositifs de connexion électrique qui sont utilisés pour connecter électriquement deux appareils électriques ou électroniques, par exemple un appareil téléphonique portable à un chargeur de batterie ou à une oreillette d'écoute.The invention relates to connection devices that are used to connect electrically two electrical devices or electronics, such as a telephone device portable to a battery charger or headset listening.

Il est connu d'utiliser pour ce genre de connexions électriques des dispositifs dits "jack" qui se présentent sous la forme d'un fourreau, généralement de section circulaire, dans l'ouverture duquel vient s'enclencher une broche à section circulaire. Le fourreau est porté par l'appareil tandis que la broche constitue l'extrémité d'un câble à plusieurs conducteurs.It is known to use for this kind of connections electrical devices called "jack" which are in the form of a sheath, generally of circular section, in the opening of which comes snap on a circular cross-section spindle. The scabbard is carried by the device while the spindle constitutes the end of a cable with several conductors.

Selon le nombre de conducteurs à connecter, le fourreau et la broche présentent chacun autant de parties conductrices dans le sens de la longueur séparées par des parties isolantes, les parties conductrices correspondantes du fourreau et de la broche coopérant pour réaliser le contact électrique entre elles.Depending on the number of conductors to be connected, the sheath and the pin each have as many parts lengthwise separated by insulating parts, conductive parts cooperating sheath and spindle to make electrical contact between them.

Ces dispositifs de connexion électrique de type "jack" présentent les inconvénients suivants :

  • ils sont limités en nombre de conducteurs à connecter entre eux,
  • ils ont un encombrement longitudinal important qui augmente avec le nombre de conducteurs à connecter,
  • ils se cassent facilement en cas d'arrachement de la prise, même si cette dernière est en forme de coude,
  • l'ouverture du fourreau et le fourreau lui-même peuvent s'encrasser, par exemple par de la poussière et des grains de sable, ce qui conduit à de mauvais contacts électriques pouvant conduire à une panne, par suite de la destruction des parties conductrices,
  • le fourreau peut se remplir d'eau, d'où également de mauvais contacts électriques et une panne éventuelle, et
  • comme la distinction entre les différents câbles à connecter à l'appareil est réalisée par le diamètre de la broche et donc du fourreau, il peut arriver qu'une broche soit insérée à force dans un fourreau de diamètre légèrement inférieur, d'où une dégradation conduisant à une panne.
These "jack" type electrical connection devices have the following drawbacks:
  • they are limited in number of conductors to connect to each other,
  • they have a large longitudinal dimension which increases with the number of conductors to be connected,
  • they break easily if the plug is torn off, even if the plug is elbow-shaped,
  • the opening of the sheath and the sheath itself can become clogged, for example by dust and grains of sand, which leads to poor electrical contacts which can lead to a breakdown, due to the destruction of the conductive parts ,
  • the sheath can fill with water, which also leads to poor electrical contacts and a possible breakdown, and
  • as the distinction between the different cables to be connected to the device is made by the diameter of the pin and therefore of the sheath, it can happen that a pin is forced into a sheath of slightly smaller diameter, resulting in degradation leading to a breakdown.

Un but de la présente invention est donc de réaliser un dispositif de connexion électrique entre un câble et un appareil électrique/électronique qui ne présente pas les inconvénients des dispositifs de connexion électrique de l'art antérieur, notamment du type "jack" énumérés ci-dessus.An object of the present invention is therefore to provide a electrical connection device between a cable and a electrical / electronic device that does not have the disadvantages of connection devices electric of the prior art, in particular of the "jack" type listed above.

Ce but est atteint en réalisant un dispositif de connexion électrique en deux parties dont une partie présente des pistes circulaires conductrices reliées électriquement à des conducteurs à connecter tandis que l'autre partie présente des contacts élastiques coopérant chacun avec une piste circulaire conductrice et reliées électriquement à des conducteurs à connecter, les deux parties du dispositif de connexion électrique étant assemblées par un encliquetage élastique qui maintient une pression entre chaque piste circulaire conductrice et le contact élastique correspondant.This goal is achieved by implementing a electrical connection in two parts, part of which has connected circular conductive tracks electrically to conductors to be connected while the other part has elastic contacts each cooperating with a conductive circular track and electrically connected to conductors at connect, the two parts of the connection device electric being assembled by a snap elastic that maintains pressure between each track conductive circular and elastic contact corresponding.

L'invention concerne plus particulièrement un élément fixe de connexion électrique d'un appareil électronique pour connecter au moins un conducteur électrique de l'appareil électronique à un élément mobile de connexion électrique disposé à l'extérieur de l'appareil électronique, caractérisé en ce qu'il comprend, du côté extérieur à l'appareil électronique, au moins une piste circulaire conductrice disposée sur une face avant, ladite piste circulaire conductrice étant connectée, du côté intérieur de l'appareil électronique, à une face arrière audit conducteur électrique de l'appareil électronique par l'intermédiaire d'un conducteur électrique disposé dans un alésage traversant l'élément fixe.The invention relates more particularly to an element fixed electrical connection of an electronic device to connect at least one electrical conductor the electronic device to a moving part of electrical connection located outside the electronic device, characterized in that it includes, on the outside of the electronic device, at least one conductive circular track arranged on a front face, said conductive circular track being connected, on the inside of the device electronic, to a rear side of said conductor electrical appliance electronics by through an electrical conductor arranged in a bore passing through the fixed element.

Selon l'invention, le conducteur traversant l'élément fixe est connecté électriquement à un contact élastique prévu pour coopérer avec une borne électrique fixe de l'appareil électronique comprenant ledit conducteur électrique de l'appareil électronique.According to the invention, the conductor passing through the element fixed is electrically connected to an elastic contact provided to cooperate with a fixed electrical terminal of the electronic device comprising said conductor electrical appliance.

Le contact élastique de l'élément fixe a une première extrémité qui est mobile pour coopérer avec ladite borne fixe de l'appareil électronique et une deuxième extrémité qui est fixe et solidaire de l'élément fixe.The elastic contact of the fixed element has a first end which is movable to cooperate with said fixed terminal of the electronic device and a second end which is fixed and integral with the fixed element.

L'élément fixe comprend, en outre, au moins un conducteur électrique disposé sur la surface externe dudit élément fixe pour connecter électriquement au moins une partie circulaire de la face avant à la face arrière de l'élément fixe.The fixed element further comprises at least one electrical conductor arranged on the external surface of said fixed element for electrically connecting to minus a circular part from the front to the face rear of the fixed element.

Le conducteur électrique disposé sur la surface externe est connecté à un contact élastique disposé sur la face arrière de l'élément fixe.The electrical conductor arranged on the external surface is connected to an elastic contact arranged on the face rear of the fixed element.

Le conducteur électrique disposé sur la surface externe de l'élément fixe est sous la forme d'une couche conductrice déposée sur tout ou partie de la surface externe.The electrical conductor arranged on the external surface of the fixed element is in the form of a layer conductive deposited on all or part of the surface external.

Dans le cas d'au moins deux conducteurs électriques disposés sur la surface externe sous forme de couches conductrices, ces dernières sont isolées l'une par rapport à l'autre par un espace sans dépôt conducteur.In the case of at least two electrical conductors arranged on the outer surface in the form of layers conductive, the latter are isolated one by compared to the other by a space without conductive deposit.

La face avant de l'élément fixe comprend des moyens d'assemblage, tels qu'une gorge, prévus pour coopérer avec l'élément mobile de connexion électrique. The front face of the fixed element comprises means assembly, such as a groove, provided to cooperate with the mobile element of electrical connection.

L'élément fixe de connexion électrique comprend, en outre, des moyens de montage pour le fixer de manière démontable sur l'appareil électronique et des moyens solidaires de l'appareil électronique pour coopérer avec les moyens de montage pour mettre en place et maintenir ledit élément fixe.The fixed element of electrical connection comprises, in in addition, mounting means for fixing it so removable on the electronic device and means attached to the electronic device to cooperate with the mounting means to set up and keep said element fixed.

L'élément mobile de connexion électrique pour coopérer avec l'élément fixe de connexion électrique comprend :

  • au moins un contact élastique pour coopérer avec au moins une piste circulaire conductrice, ledit contact élastique ayant une première extrémité mobile prévue pour contacter ladite piste circulaire et une deuxième extrémité fixe pour être connectée à un conducteur électrique, et
  • des moyens de montage de l'élément mobile sur la partie périphérique de la face avant de l'élément fixe pour connecter ledit contact élastique à ladite piste circulaire.
The movable electrical connection element for cooperating with the fixed electrical connection element comprises:
  • at least one elastic contact for cooperating with at least one conductive circular track, said elastic contact having a first movable end provided for contacting said circular track and a second fixed end for being connected to an electrical conductor, and
  • means for mounting the mobile element on the peripheral part of the front face of the fixed element to connect said elastic contact to said circular track.

Ces moyens de montage comprennent une bague élastique prévue pour s'encliqueter par élasticité sur une gorge de la face avant de l'élément fixe.These mounting means comprise an elastic ring designed to snap into place on a groove of the front face of the fixed element.

La bague élastique comprend des fentes longitudinales pour augmenter l'élasticité.The elastic ring includes longitudinal slots to increase elasticity.

La bague élastique est en matériau isolant ou en matériau conducteur, ce matériau conducteur coopèrant avec les conducteurs électriques disposés sur la surface externe de l'élément fixe, notamment lorsque ces conducteurs sont sous forme de couches conductrices recouvrant tout ou partie de la surface externe de l'élément fixe.The elastic ring is made of insulating material or conductive material, this cooperating conductive material with the electrical conductors arranged on the external surface of the fixed element, especially when these conductors are in the form of conductive layers covering all or part of the external surface of the fixed element.

L'invention concerne également un dispositif de connexion électrique caractérisé en ce qu'il comprend un élément fixe et un élément mobile tels que définis ci-dessus, l'élément mobile s'encliquetant sur la face avant de l'élément fixe. The invention also relates to a device for electrical connection characterized in that it comprises a fixed element and a mobile element as defined above, the movable element snapping onto the face front of the fixed element.

L'invention concerne, en outre, un appareil électronique comprenant un élément fixe tel que défini ci-dessus.The invention further relates to an apparatus electronics comprising a fixed element as defined above.

D'autres caractéristiques et avantages de la présente invention apparaítront à la lecture de la description suivante d'un exemple particulier de réalisation, ladite description étant faite en relation avec les dessins joints dans lesquels :

  • la figure 1 est une vue en perspective d'un dispositif de connexion électrique selon l'invention,
  • la figure 2 est une vue en perspective de la partie du dispositif de connexion électrique qui comprend les pistes circulaires conductrices,
  • la figure 3 est une vue en perspective de la partie du dispositif de connexion électrique qui comprend les contacts élastiques,
  • la figure 4 est une vue de dessus du dispositif de connexion électrique présenté à la figure 1,
  • la figure 5 est une vue en coupe selon la ligne V-V de la figure 4,
  • la figure 6 est une vue éclatée en perspective montrant l'agencement du dispositif de connexion électrique avec un boítier contenant les circuits électroniques,
  • la figure 7 est une vue du boítier de la figure 6 après fermeture,
  • la figure 8 est une vue de dessus du boítier de la figure 7,
  • la figure 9 est une vue en coupe selon la ligne IX-IX de la figure 8,
  • la figure 10 est une vue de face de l'élément fixe,
  • la figure 11 est une vue de dessus de l'élément fixe,
  • la figure 12 est une vue de derrière de l'élément fixe,
  • la figure 13 est une vue de face en perspective de l'élément fixe, et
  • la figure 14 est une vue de derrière en perspective de l'élément fixe.
Other characteristics and advantages of the present invention will appear on reading the following description of a particular embodiment, said description being made in relation to the accompanying drawings in which:
  • FIG. 1 is a perspective view of an electrical connection device according to the invention,
  • FIG. 2 is a perspective view of the part of the electrical connection device which comprises the conductive circular tracks,
  • FIG. 3 is a perspective view of the part of the electrical connection device which includes the elastic contacts,
  • FIG. 4 is a top view of the electrical connection device presented in FIG. 1,
  • FIG. 5 is a sectional view along the line VV of FIG. 4,
  • FIG. 6 is an exploded perspective view showing the arrangement of the electrical connection device with a box containing the electronic circuits,
  • FIG. 7 is a view of the box of FIG. 6 after closing,
  • FIG. 8 is a top view of the box of FIG. 7,
  • FIG. 9 is a sectional view along the line IX-IX of FIG. 8,
  • FIG. 10 is a front view of the fixed element,
  • FIG. 11 is a top view of the fixed element,
  • FIG. 12 is a rear view of the fixed element,
  • FIG. 13 is a front perspective view of the fixed element, and
  • Figure 14 is a rear perspective view of the fixed element.

Un dispositif de connexion électrique 10 selon l'invention comprend deux parties distinctes ou éléments 12 et 14 qui sont assemblées par encliquetage de type élastique par exemple.An electrical connection device 10 according to the invention comprises two separate parts or elements 12 and 14 which are snapped together elastic type for example.

La partie 12, celle qui est connectée à un câble à n conducteurs (non représenté) comprend n contacts élastiques 16 qui sont logés dans une prise 18 en forme de coude ou droite. La prise 18 est en matériau isolant, par exemple en plastique rigide. Une extrémité 20 de chaque contact électrique 18 sort d'un côté 26 du coude pour être connectée à un conducteur du câble tandis que l'autre extrémité 22 est recourbée en forme de U pour former un contact élastique 24 qui émerge de l'autre côté 28 du coude par rapport à un fond 30.Part 12, the one that is connected to a cable with n conductors (not shown) includes n contacts elastic bands 16 which are housed in a shaped socket 18 elbow or straight. The socket 18 is made of material insulator, for example rigid plastic. An extremity 20 of each electrical contact 18 comes out from one side 26 of the bend to be connected to a cable conductor while the other end 22 is curved in shape of U to form an elastic contact 24 which emerges from the other side 28 of the elbow relative to a bottom 30.

Le côté 28 du coude se prolonge au-delà du fond 30 et des contacts 24 sous la forme d'une bague 32 à section circulaire dont l'extrémité élastique 34 vient s'encliqueter dans une gorge circulaire 36 de la partie 14.The side 28 of the elbow extends beyond the bottom 30 and contacts 24 in the form of a section ring 32 circular whose elastic end 34 comes snap into a circular groove 36 of the part 14.

Cette bague 32 est, de préférence, en métal conducteur électrique et peut présenter trois fentes 60 sur sa périphérie extérieure, ce qui lui donne une meilleure élasticité pour l'encliquetage sur la partie 14. Le fait que cette bague 32 est conductrice est mis à profit pour détecter la connexion électrique entre les deux parties du dispositif de connexion.This ring 32 is preferably made of conductive metal electric and can have three slots 60 on its outer periphery, which gives it better elasticity for the snap on part 14. The that this ring 32 is conductive is set to profit to detect the electrical connection between two parts of the connection device.

Cependant, la bague 32 peut être, dans certaines applications, en matériau isolant comme la prise 18 et, dans ce cas, fait partie intégrante de cette dernière et présente les fentes 60 pour l'obtention d'une meilleure élasticité d'encliquetage. However, the ring 32 can be, in certain applications, in insulating material such as socket 18 and, in this case is an integral part of the latter and presents the slots 60 for obtaining a better snap elasticity.

La partie 14, celle qui est connectée à certains circuits électroniques de l'appareil à connecter au câble, a une forme générale cylindrique de révolution présentant des gorges circulaires 36 et 38.Part 14, the one that is connected to some electronic circuits of the device to be connected to cable, has a generally cylindrical shape of revolution having circular grooves 36 and 38.

Du côté de la gorge 36, la partie 14 présente une surface circulaire 40 qui comprend n = 3 pistes circulaires conductrices 62, 64 et 66 prévues pour coopérer par contact glissant avec les parties 24 des contacts 16 de la partie 12 après encliquetage.On the side of the groove 36, the part 14 has a circular surface 40 which includes n = 3 tracks conductive circulars 62, 64 and 66 provided for cooperate by sliding contact with parts 24 of contacts 16 of part 12 after snap-fastening.

A chaque piste circulaire 62, 64 et 66 est associé respectivement un alésage traversant 72, 74 et 76 qui sert au passage d'un conducteur de liaison entre une piste et l'un des trois contacts électriques de sortie 82, 84 et 86 vers les circuits électroniques.Each circular track 62, 64 and 66 is associated respectively a through bore 72, 74 and 76 which is used for the passage of a connecting conductor between a track and one of the three electrical output contacts 82, 84 and 86 to the electronic circuits.

Ce conducteur de liaison entre la piste circulaire 62, 64 ou 66 et le contact correspondant 82, 84 et 86 est réalisé, par exemple, sous la forme d'une couche conductrice tapissant les parois de l'alésage correspondant. Chaque alésage débouche d'un côté sur une piste circulaire conductrice et, de l'autre côté, sur une couche conductrice 92 pour l'alésage 72, 94 pour l'alésage 74 et 96 pour l'alésage 76.This connecting conductor between the circular track 62, 64 or 66 and the corresponding contact 82, 84 and 86 is made, for example, as a layer conductive lining the walls of the bore corresponding. Each bore opens from one side to a conductive circular track and, on the other side, on a conductive layer 92 for the bore 72, 94 for bore 74 and 96 for bore 76.

Chaque piste circulaire conductrice est isolée d'une piste circulaire adjacente par une zone circulaire isolante 42a, 42b, 42c correspondant à l'absence de dépôt conducteur. Il en est de même des couches conductrices 92, 94 et 96 qui sont séparées les unes des autres par des zones isolantes 60.Each conductive circular track is isolated from a adjacent circular track by a circular area insulator 42a, 42b, 42c corresponding to the absence of driver deposit. It is the same with the layers conductors 92, 94 and 96 which are separated from each other others by insulating zones 60.

Les deux autres contacts électriques 88 et 90, destinés à être connectés aux circuits électroniques et disposés de part et d'autre des contacts centraux 82, 84 et 86, sont reliés électriquement chacun respectivement à une couche conductrice 100 et 102 recouvrant la surface externe de la partie 14, y compris les gorges 34 et 38. Ces couches conductrices 100 et 102 sont isolées électriquement l'une de l'autre par une zone 104 sans dépôt conducteur, cette zone 104 délimitant chaque couche 100 et 102 à une moitié de la surface externe en aboutissant, d'un côté, à la zone circulaire isolante 42c de plus grand diamètre et, de l'autre côté, à la zone isolante 60b et 60a.The other two electrical contacts 88 and 90, intended to be connected to electronic circuits and arranged on either side of the central contacts 82, 84 and 86, are each electrically connected to a conductive layer 100 and 102 covering the surface part 14, including grooves 34 and 38. These conductive layers 100 and 102 are isolated electrically from one another by a zone 104 without conductor depot, this zone 104 delimiting each layer 100 and 102 to one half of the outer surface in ending, on one side, in the insulating circular zone 42c of larger diameter and, on the other side, at the insulating zone 60b and 60a.

Ces zones conductrices 100 et 102 sont en contact avec les zones de la bague 32 lorsque les deux parties 12 et 14 sont encliquetées de sorte que les zones conductrices 100 et 102, et donc les contacts 88 et 90, sont au même potentiel quelle que soit la position relative des parties 12 et 14. Cette disposition permet de détecter que les parties 12 et 14 sont connectées entre elles.These conductive zones 100 and 102 are in contact with the zones of the ring 32 when the two parts 12 and 14 are snapped so that the areas conductive 100 and 102, and therefore the contacts 88 and 90, are at the same potential whatever the position relative of parts 12 and 14. This provision allows to detect that parts 12 and 14 are connected between them.

La partie 14, notamment les contacts électriques 82 à 90, est prévue pour coopérer avec le support 50 des circuits électroniques et, plus précisément, avec les bornes de sortie de ces circuits électroniques. A cet effet, les contacts 82 à 90 sont disposés sur une plaquette 52 qui doit être disposée parallèlement au support 50, la plaquette se prolongeant latéralement, les prolongements latéraux 54 venant s'encastrer dans des découpes 56 des parois du boítier 58 contenant les circuits électroniques disposés sur le support 50.Part 14, in particular the electrical contacts 82 to 90, is provided to cooperate with the support 50 of the electronic circuits and, more specifically, with the output terminals of these electronic circuits. In this indeed, the contacts 82 to 90 are arranged on a plate 52 which must be arranged parallel to the support 50, the plate extending laterally, the lateral extensions 54 coming to be embedded in cutouts 56 of the walls of the housing 58 containing the electronic circuits arranged on the support 50.

Par ailleurs, la partie 14 est maintenue sur le boítier par une découpe 42 coopérant avec la rainure 38.In addition, the part 14 is maintained on the housing by a cutout 42 cooperating with the groove 38.

Le dispositif de connexion selon l'invention présente les avantages suivants :

  • la partie 14 du dispositif, celle fixée au boítier 58, est en contact élastique avec le support 50 grâce aux contacts 82 à 90, ce qui diminue la probabilité de détérioration des connexions électriques avec le support 50 en cas de chute,
  • il n'y a pas de possibilité de connecter en force deux parties 12 et 14 qui ne sont pas prévues pour se connecter entre elles car les dimensions diamétrales sont différentes selon le type de câble à connecter,
  • en cas d'arrachement, la partie 12 se déconnecte facilement sans détériorer la partie 14 et, par voie de conséquence, sans détériorer le support 50, du fait de l'élasticité de la bague 32 et celle de la liaison avec le support 50,
  • l'usure des contacts, pistes 62, 64 et 66 et contacts 24, par suite des connexions et déconnexions successives, est réduite au minimum du fait qu'il n'y a pas de glissement des deux extrémités l'une par rapport à l'autre,
  • la probabilité d'encrassement des contacts est réduite du fait de l'absence de fourreau et, en cas d'encrassement, le nettoyage des contacts est facile,
  • la possibilité d'entrée d'eau est limitée car il n'a pas de fourreau,
  • le nombre de conducteurs à connecter entre eux peut être augmenté en augmentant le nombre de pistes conductrices et la dimension diamétrale,
  • les dimensions sont réduites de moitié au moins par rapport à un dispositif de connexion de type "jack" pour le même nombre de conducteurs à connecter.
The connection device according to the invention has the following advantages:
  • part 14 of the device, that fixed to the housing 58, is in elastic contact with the support 50 thanks to the contacts 82 to 90, which reduces the probability of deterioration of the electrical connections with the support 50 in the event of a fall,
  • there is no possibility of forcibly connecting two parts 12 and 14 which are not provided for connecting together because the diametrical dimensions are different depending on the type of cable to be connected,
  • in the event of tearing off, the part 12 disconnects easily without damaging the part 14 and, consequently, without damaging the support 50, due to the elasticity of the ring 32 and that of the connection with the support 50,
  • the wear of the contacts, tracks 62, 64 and 66 and contacts 24, as a result of successive connections and disconnections, is reduced to a minimum because there is no sliding of the two ends with respect to the 'other,
  • the probability of fouling of the contacts is reduced due to the absence of a sheath and, in the event of fouling, cleaning of the contacts is easy,
  • the possibility of water entry is limited because it does not have a sheath,
  • the number of conductors to be connected together can be increased by increasing the number of conductive tracks and the diametrical dimension,
  • the dimensions are reduced by at least half compared to a "jack" type connection device for the same number of conductors to be connected.

Claims (16)

Elément fixe (14) de connexion électrique d'un appareil électronique (50, 58) pour connecter au moins un conducteur électrique de l'appareil électronique à un élément mobile (12) de connexion électrique disposé à l'extérieur de l'appareil électronique, caractérisé en ce qu'il comprend, du côté extérieur à l'appareil électronique, au moins une piste circulaire conductrice (62, 64, 66) disposée sur une face avant, ladite piste circulaire conductrice (62, 64, 66) étant connectée, du côté intérieur de l'appareil électronique à une face arrière audit conducteur électrique de l'appareil électronique (50, 58) par l'intermédiaire d'un conducteur électrique disposé dans un alésage (72,74, 76) traversant l'élément fixe (14).Fixed element (14) for electrical connection of an electronic device (50, 58) for connecting at least one electrical conductor of the electronic device to a mobile element (12) for electrical connection arranged outside the electronic device , characterized in that it comprises, on the side external to the electronic device, at least one conductive circular track (62, 64, 66) arranged on a front face, said conductive circular track (62, 64, 66) being connected , from the inner side of the electronic device to a rear face to said electrical conductor of the electronic device (50, 58) by means of an electrical conductor disposed in a bore (72, 74, 76) passing through the element fixed (14). Elément fixe de connexion électrique selon la revendication 1, caractérisé en ce que ledit conducteur électrique traversant l'élément fixe est connecté électriquement à un contact élastique (82, 84, 86) prévu pour coopérer avec une borne électrique fixe de l'appareil électronique comprenant ledit conducteur électrique de l'appareil électronique.Fixed electrical connection element according to claim 1, characterized in that said electrical conductor passing through the fixed element is electrically connected to an elastic contact (82, 84, 86) intended to cooperate with a fixed electrical terminal of the electronic device comprising said electrical conductor of the electronic device. Elément fixe de connexion électrique selon la revendication 2, caractérisé en ce que ledit contact élastique (82, 84, 86) de l'élément fixe (14) a une première extrémité qui est mobile pour coopérer avec ladite borne fixe de l'appareil électronique et une deuxième extrémité qui est fixe et solidaire de l'élément fixe.Fixed element of electrical connection according to claim 2, characterized in that said elastic contact (82, 84, 86) of the fixed element (14) has a first end which is movable to cooperate with said fixed terminal of the electronic device and a second end which is fixed and integral with the fixed element. Elément fixe de connexion électrique selon la revendication 1, 2 ou 3, caractérisé en ce qu'il comprend, en outre, au moins un conducteur électrique disposé sur la surface externe dudit élément fixe pour connecter électriquement au moins une partie circulaire de la face avant à la face arrière de l'élément fixe.Fixed electrical connection element according to claim 1, 2 or 3, characterized in that it further comprises at least one electrical conductor disposed on the external surface of said fixed element for electrically connecting at least one circular part of the front face on the rear face of the fixed element. Elément fixe de connexion électrique selon la revendication 4, caractérisé en ce que ledit conducteur électrique disposé sur la surface externe est connecté à un contact élastique disposé sur la face arrière dudit élément fixe.Fixed electrical connection element according to claim 4, characterized in that said electrical conductor disposed on the external surface is connected to an elastic contact disposed on the rear face of said fixed element. Elément fixe de connexion électrique selon la revendication 4 ou 5, caractérisé en ce que ledit conducteur électrique disposé sur la surface externe est une couche conductrice déposée sur tout ou partie de ladite surface externe.Fixed electrical connection element according to claim 4 or 5, characterized in that said electrical conductor disposed on the external surface is a conductive layer deposited on all or part of said external surface. Elément fixe de connexion électrique selon la revendication 6, dans le cas d'au moins deux conducteurs électriques disposés sur la surface externe de l'élément fixe, caractérisé en ce que les couches conductrices adjacentes sont isolées l'une de l'autre par un espace (104) sans dépôt conducteur.Fixed electrical connection element according to claim 6, in the case of at least two electrical conductors arranged on the external surface of the fixed element, characterized in that the adjacent conductive layers are isolated from one another by a space (104) without conductive deposit. Elément fixe de connexion électrique selon l'une des revendications 1 à 7, caractérisé en ce que sa face avant comprend des moyens d'assemblage (34) prévus pour coopérer avec l'élément mobile de connexion électrique.Fixed electrical connection element according to one of claims 1 to 7, characterized in that its front face comprises assembly means (34) provided to cooperate with the mobile electrical connection element. Elément fixe de connexion électrique selon l'une des revendications 1 à 8, caractérisé en ce qu'il comprend, en outre : des moyens de montage (38, 50) pour le fixer de manière démontable sur l'appareil électronique, des moyens de maintien solidaires de l'appareil électronique pour coopérer avec les moyens de montage pour mettre en place et maintenir ledit élément fixe. Fixed electrical connection element according to one of Claims 1 to 8, characterized in that it further comprises: mounting means (38, 50) for detachably fixing it to the electronic device, holding means integral with the electronic device for cooperating with the mounting means for positioning and maintaining said fixed element. Elément mobile (12) de connexion électrique pour coopérer avec un élément fixe (14) de connexion électrique selon l'une des revendications 1 à 9, caractérisé en ce qu'il comprend : au moins un contact élastique (16) pour coopérer avec au moins une piste circulaire (62, 64, 66) de l'élément fixe (14), ledit contact élastique (16) ayant une première extrémité mobile prévue pour contacter ladite piste circulaire et une deuxième extrémité fixe pour être connectée à un conducteur électrique, des moyens (28, 32) de montage dudit élément mobile sur la partie périphérique de la face avant de l'élément fixe pour connecter ledit contact élastique (16) à ladite piste circulaire (62, 64, 66). Movable electrical connection element (12) for cooperating with a fixed electrical connection element (14) according to one of Claims 1 to 9, characterized in that it comprises: at least one elastic contact (16) for cooperating with at least one circular track (62, 64, 66) of the fixed element (14), said elastic contact (16) having a first movable end designed to contact said circular track and a second fixed end to be connected to an electrical conductor, means (28, 32) for mounting said movable element on the peripheral part of the front face of the fixed element to connect said elastic contact (16) to said circular track (62, 64, 66). Elément mobile (12) de connexion électrique selon la revendication 10, caractérisé en ce que les moyens de montage comprennent une bague élastique (28) prévue pour s'encliqueter sur une gorge (34) de la face avant de l'élément fixe.Movable electrical connection element (12) according to claim 10, characterized in that the mounting means comprise an elastic ring (28) designed to snap onto a groove (34) of the front face of the fixed element. Elément mobile (12) de connexion électrique selon la revendication 11, caractérisé en ce que la bague élastique (28) comprend des fentes longitudinales pour augmenter l'élasticité.Movable electrical connection element (12) according to claim 11, characterized in that the elastic ring (28) comprises longitudinal slots to increase the elasticity. Elément mobile (12) de connexion électrique selon la revendication 11 ou 12, caractérisé en ce que ladite bague élastique est en matériau isolant. Movable electrical connection element (12) according to claim 11 or 12, characterized in that said elastic ring is made of insulating material. Elément mobile (12) de connexion électrique selon la revendication 11 ou 12 dans son association avec un élément fixe selon l'une des revendications 4 à 9, caractérisé en ce que la bague élastique est en matériau conducteur et coopère avec au moins un conducteur électrique disposé sur la surface externe dudit élément fixe.Movable element (12) for electrical connection according to Claim 11 or 12 in its association with a fixed element according to one of Claims 4 to 9, characterized in that the elastic ring is made of conductive material and cooperates with at least one electrical conductor disposed on the external surface of said fixed element. Dispositif de connexion électrique caractérisé en ce qu'il comprend un élément fixe (14) selon l'une des revendications 1 à 9 et un élément mobile (12) selon l'une des revendications 10 à 14, l'élément mobile (12) s'encliquetant sur la face avant de l'élément fixe (14).Electrical connection device characterized in that it comprises a fixed element (14) according to one of claims 1 to 9 and a mobile element (12) according to one of claims 10 to 14, the mobile element (12) snapping onto the front face of the fixed element (14). Appareil électronique comprenant un élément fixe (14) selon l'une des revendications 1 à 9.Electronic device comprising a fixed element (14) according to one of claims 1 to 9.
EP02290244A 2001-03-08 2002-02-04 Electrical connection device Expired - Lifetime EP1239554B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0103152A FR2821991B1 (en) 2001-03-08 2001-03-08 ELECTRICAL CONNECTION DEVICE
FR0103152 2001-03-08

Publications (2)

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EP1239554A1 true EP1239554A1 (en) 2002-09-11
EP1239554B1 EP1239554B1 (en) 2012-01-11

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EP02290244A Expired - Lifetime EP1239554B1 (en) 2001-03-08 2002-02-04 Electrical connection device

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US (1) US6634888B2 (en)
EP (1) EP1239554B1 (en)
JP (1) JP2002270323A (en)
CN (1) CN1258249C (en)
AT (1) ATE541341T1 (en)
FR (1) FR2821991B1 (en)

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Also Published As

Publication number Publication date
FR2821991B1 (en) 2003-05-23
JP2002270323A (en) 2002-09-20
US20020127891A1 (en) 2002-09-12
CN1374723A (en) 2002-10-16
FR2821991A1 (en) 2002-09-13
ATE541341T1 (en) 2012-01-15
EP1239554B1 (en) 2012-01-11
CN1258249C (en) 2006-05-31
US6634888B2 (en) 2003-10-21

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