EP4290705A1 - Electrical connector having a user protection system - Google Patents

Electrical connector having a user protection system Download PDF

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Publication number
EP4290705A1
EP4290705A1 EP23177974.5A EP23177974A EP4290705A1 EP 4290705 A1 EP4290705 A1 EP 4290705A1 EP 23177974 A EP23177974 A EP 23177974A EP 4290705 A1 EP4290705 A1 EP 4290705A1
Authority
EP
European Patent Office
Prior art keywords
contact
housing
electrical connector
axially
male contact
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.)
Pending
Application number
EP23177974.5A
Other languages
German (de)
French (fr)
Inventor
Razvan Ilie
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.)
Ultratech Inc
Original Assignee
Ultratech Inc
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 Ultratech Inc filed Critical Ultratech Inc
Publication of EP4290705A1 publication Critical patent/EP4290705A1/en
Pending 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
    • 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
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/04—Pins or blades for co-operation with sockets
    • 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
    • H01R13/02—Contact members
    • H01R13/10—Sockets for co-operation with pins or blades
    • H01R13/11—Resilient sockets
    • H01R13/111—Resilient sockets co-operating with pins having a circular transverse section
    • 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
    • H01R13/02—Contact members
    • H01R13/15—Pins, blades or sockets having separate spring member for producing or increasing contact pressure
    • H01R13/187—Pins, blades or sockets having separate spring member for producing or increasing contact pressure with spring member in the socket
    • 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
    • H01R13/447—Shutter or cover plate
    • H01R13/453—Shutter or cover plate opened by engagement of counterpart
    • H01R13/4538—Covers sliding or withdrawing in the direction of engagement
    • 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
    • H01R13/02—Contact members
    • H01R13/15—Pins, blades or sockets having separate spring member for producing or increasing contact pressure
    • H01R13/18—Pins, blades or sockets having separate spring member for producing or increasing contact pressure with the spring member surrounding the socket

Definitions

  • the electrical connector is for example a power connector, that is to say it is adapted to transmit a current of an intensity greater than or equal to 10A.
  • a connector creates a risk for a user who comes into electrical contact with the male contact or the female contact.
  • caps In order to reduce or eliminate this risk, it is known to place caps on the contacts. However, the caps must be removed before putting the connector into the inserted configuration. This makes use complex, and exposes the user to risk when the caps are removed and the connection is not yet made.
  • the document FR 3 644 450 A1 of the applicant describes a connector comprising an insulator inserted in the housing formed by the female contact.
  • This insulator comprises a cylindrical cage, and a central finger extending axially. The space between the finger and the bars of the cage is restricted and prevents a user from directly touching the blades of the female contact.
  • the finger of the insulator is received in a recess of the insertable part of the male contact, and the insertable part is received between the finger and the bars of the cage. Consequently, the male contact and the insulator are quite complex to manufacture.
  • the insulation reduces the risk of contact, it does not prevent a user or a person from indirectly touching the slats by introducing a conductive object into the housing.
  • An aim of the invention is therefore to provide an electrical connector reducing the risk of electrification of a user or a person, while allowing an efficient electrical connection and which is simple to manufacture and at a competitive price. .
  • the invention relates to an electrical connector according to claim 1.
  • the electrical connector comprises one or more of the characteristics corresponding to claims 2 to 9, taken in isolation or in all technically possible combinations.
  • the electrical connector 2 comprises a male contact 4 and a female contact 6 movable between an inserted position ( Figure 4 ), in which an electrically conductive insertable part 8 of the male contact is inserted along an insertion axis D in a housing 10 defined by the female contact, and a non-inserted position ( figures 1 And 3 ), in which the male contact is away from the female contact.
  • distal we mean, for each of the contacts, the side defined by the direction of insertion along the insertion axis D.
  • proximal we mean the side opposite the insertion along the axis insertion D.
  • the term “conductor” means a material whose electrical resistivity at 300 K is for example less than or equal to 10 -5 ⁇ .m.
  • the term “insulator” means a material whose electrical resistivity at 300 K is for example greater than or equal to 10 5 ⁇ .m.
  • the male contact 4 and the female contact 6 are adapted to be in electrical contact on the distal side with two electrical cables (not shown).
  • the female contact 6 comprises a body 12 advantageously defining a housing 14 for receiving one of the two electrical cables, and a plurality of strips 16 projecting axially from the body, and distributed angularly around the insertable part 8 of the male contact 4 in the inserted configuration ( figure 4 ).
  • the female contact 6 includes a protection system 18 to protect a user (not shown).
  • the female contact 6 further comprises several annular retaining members 20 arranged around the strips 16 to press the strips onto the insertable part 8 in the inserted configuration.
  • the female contact 6 comprises a single containment member 20, or does not include one.
  • the body 12 and the lamellae 16 are conductive. They are for example made of aluminum, aluminum alloy, copper or copper alloy.
  • the body 12 and the lamellae 16 define the housing 10 receiving the insertable part 8 in the inserted configuration.
  • the body 12 advantageously defines a recess 22, for example cylindrical in shape, at the bottom (on the proximal side) of the housing 10.
  • the strips 16 are radially flexible and define gaps 24 between them ( figure 2 ) extending axially.
  • the lamellae 16 are at least two in number. In the example shown, there are ten strips 16.
  • the slats 16 radially delimit the housing 10.
  • the protection system 18 comprises an insulating envelope 26 surrounding the strips 16 around the insertion axis D, and extending axially at least along the strips, the envelope being adapted to prevent electrical contact radially between a user and the slats.
  • the protection system 18 comprises an insulation member 28 movable in axial translation relative to the body 12 between a rest position intended to be occupied in the non-inserted configuration, and a depressed position intended to be occupied in the inserted configuration.
  • the protection system 18 includes a return mechanism 30 adapted to return the insulating member 28 from the depressed position to the rest position.
  • the envelope 26 extends axially also along a part of the body 12.
  • the envelope 26 is for example fixed on the body 12.
  • the envelope 26 advantageously comprises an end part 32 forming a rim 34 located in an axial extension of the lamellae 16 and surrounding the insertion axis D.
  • the envelope 26 advantageously has a general shape of revolution around the insertion axis D, and defines for example gills 36 distributed angularly around the insertion axis.
  • the gills 36 extend for example axially from the rim 34 in the proximal direction.
  • the rim 34 is advantageously adapted to prevent axial electrical contact between a user and distal ends 38 of the blades 16.
  • the rim 34 defines an entrance 40 to the housing, across which the insulation member 28 extends in the rest position.
  • the return mechanism 30 comprises for example a spring 42 compressed axially, and located axially between the insulation member 28 and the bottom of the housing 10.
  • the spring 42 is located partially in the recess 22 and is for example supported on the bottom of the recess.
  • the insulation member 28 is adapted to at least partially close the inlet 40 of the housing 10 and prevent axial electrical contact, direct or indirect, between the user and the slats 16.
  • the insulation member 28 In the rest position at rest, the insulation member 28 abuts axially against a stop 44 formed by the female contact 6, in the example by one of the containment members 20 (the most proximal).
  • the insulating member 28 In the depressed position, the insulating member 28 is pushed towards the bottom of the housing 10 by the male contact 4 relative to the rest position.
  • the insulation member 28 comprises for example a proximal portion 46 axially relative to the body 12, the proximal portion defining a housing 48 adapted to receive a distal end 49 of the spring 42 of the return mechanism 30.
  • the insulating member 28 comprises for example a main part 50 adapted to slide in the housing 10, and a plurality of projections 52 extending radially from the main part, and engaged in the interstices 24.
  • the main part 50 has for example a radially outer surface 54 that is cylindrical.
  • the projections 52 are adapted to slide axially in the gaps 24 between the rest position and the depressed position, and to abut on the stop 44 in the rest position.
  • the projections 52 form, for example, pawns.
  • the male contact 4 comprises for example an electrically conductive body 56 from which the insertable part 8 forms an axial projection.
  • the male contact 4 further comprises an electrically insulating envelope 58 surrounding the insertable part 8 around the insertion axis D and extending axially along the insertable part 8.
  • the male contact 4 advantageously comprises a member d insulation 60 covering a distal end 62 of the insertable part 8 relative to the body 56.
  • the body 56 defines, for example, a housing 63 for one of the electrical cables.
  • the envelope 58 is adapted to prevent radial electrical contact between a user and the insertable part 8.
  • the envelope 58 extends axially along the along the body 56.
  • the envelope 58 is for example fixed on the body 56.
  • the envelope 58 of the male contact 4 is for example adapted to cover the envelope 26 of the female contact 6 in the inserted configuration.
  • the insulation member 60 of the male contact 4 is adapted to prevent axial electrical contact between a user and the distal end 62.
  • the insulation member 60 is for example adapted to be snapped onto the distal end 62.
  • the insulation member 60 of the male contact 4 and the insulation member 28 of the female contact 6 are for example adapted to fit into each other, one partially encapsulating the other, in the configuration inserted.
  • the electrical connector 2 is for example initially in the non-inserted configuration ( figure 1 Or Figure 3 ).
  • the insulating member 28 of the female contact 6 is in the rest position and closes the inlet 40 of the housing 10.
  • the return mechanism 30 maintains the insulating member 28 in the rest position.
  • the insulation member 28 abuts axially against the stop 44.
  • the envelopes 26, 58 prevent or limit radial electrical contacts between the user and, on the one hand, the slats 6, and, on the other hand, the insertable part 8.
  • the insulation member 28 prevents axial electrical contact between the user and the lamellae 16.
  • the rim 34 of the envelope 26 prevents axial electrical contact between the user and the distal ends 38 of the strips 16.
  • the insertable part 8 is inserted into the housing 10.
  • the male contact 4 pushes the insulating member 28, which passes from the rest position to the depressed position by axial translation.
  • the projections 52 slide axially in the gaps 24.
  • the envelope 58 of the male contact 4 covers the envelope 26 of the female contact 6.
  • the electrical connector 2 reduces the risk of electrification of a user or a person, while allowing an efficient electrical connection and is simple to manufacture and competitively priced.

Landscapes

  • Connector Housings Or Holding Contact Members (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Abstract

Connecteur électrique (2) comportant un contact mâle (4) et un contact femelle (6) mobiles entre une configuration non insérée, et une configuration insérée, dans laquelle le contact mâle est insérée selon un axe d'insertion (D) dans un logement (10) du contact femelle, le contact femelle comportant : un corps (12), une pluralité de lamelles (16), et un système de protection (18) comprenant :- une enveloppe (26) isolante entourant les lamelles,- un organe d'isolation (28) mobile en translation axiale par rapport au corps entre une position de repos, dans laquelle l'organe d'isolation obture au moins partiellement le logement et bute axialement contre le contact femelle, et une position enfoncée, dans laquelle l'organe d'isolation est poussé vers le fond du logement par le contact mâle,- un mécanisme de rappel (30) de l'organe d'isolation vers la position de repos.Electrical connector (2) comprising a male contact (4) and a female contact (6) movable between a non-inserted configuration, and an inserted configuration, in which the male contact is inserted along an insertion axis (D) in a housing (10) of the female contact, the female contact comprising: a body (12), a plurality of strips (16), and a protection system (18) comprising: - an insulating envelope (26) surrounding the strips, - a member insulation member (28) movable in axial translation relative to the body between a rest position, in which the insulation member at least partially closes the housing and abuts axially against the female contact, and a depressed position, in which the The insulation member is pushed towards the bottom of the housing by the male contact, - a return mechanism (30) of the insulation member towards the rest position.

Description

La présente invention concerne un connecteur électrique comportant un contact mâle et un contact femelle mobiles entre une configuration non insérée, dans laquelle le contact mâle est à l'écart du contact femelle, et une configuration insérée, dans laquelle une partie insérable électriquement conductrice du contact mâle est insérée selon un axe d'insertion dans un logement défini par le contact femelle, le contact femelle comportant :

  • un système de protection pour protéger un utilisateur.
An electrical connector includes a male contact and a female contact movable between an uninserted configuration, in which the male contact is spaced apart from the female contact, and an inserted configuration, in which an electrically conductive insertable portion of the contact male is inserted along an insertion axis in a housing defined by the female contact, the female contact comprising:
  • a protection system to protect a user.

Le connecteur électrique est par exemple un connecteur de puissance, c'est-à-dire qu'il est adapté pour transmettre un courant d'une intensité supérieure ou égale à 10A. Un tel connecteur crée un risque pour un utilisateur qui viendrait à être en contact électrique avec le contact mâle ou le contact femelle.The electrical connector is for example a power connector, that is to say it is adapted to transmit a current of an intensity greater than or equal to 10A. Such a connector creates a risk for a user who comes into electrical contact with the male contact or the female contact.

Afin de réduire ou d'éliminer ce risque, il est connu de placer des capuchons sur les contacts. Toutefois, les capuchons doivent être enlevés avant de mettre le connecteur dans la configuration insérée. Ceci rend l'utilisation complexe, et expose l'utilisateur au risque lorsque que les capuchons sont enlevés et que la connexion n'est pas encore réalisée.In order to reduce or eliminate this risk, it is known to place caps on the contacts. However, the caps must be removed before putting the connector into the inserted configuration. This makes use complex, and exposes the user to risk when the caps are removed and the connection is not yet made.

Pour pallier cet inconvénient, des protections permanentes ont été mises en oeuvre. Par exemple, le document FR 3 644 450 A1 de la demanderesse décrit un connecteur comportant un isolant inséré dans le logement formé par le contact femelle. Cet isolant comporte une cage cylindrique, et un doigt central s'étendant axialement. L'espace entre le doigt et les barreaux de la cage est restreint et empêche un utilisateur de toucher directement les lamelles du contact femelle.To overcome this drawback, permanent protections have been implemented. For example, the document FR 3 644 450 A1 of the applicant describes a connector comprising an insulator inserted in the housing formed by the female contact. This insulator comprises a cylindrical cage, and a central finger extending axially. The space between the finger and the bars of the cage is restricted and prevents a user from directly touching the blades of the female contact.

Dans la configuration insérée, le doigt de l'isolant est reçu dans un évidement de la partie insérable du contact mâle, et la partie insérable est reçue entre le doigt et les barreaux de la cage. Par conséquent, le contact mâle et l'isolant sont assez complexes à fabriquer.In the inserted configuration, the finger of the insulator is received in a recess of the insertable part of the male contact, and the insertable part is received between the finger and the bars of the cage. Consequently, the male contact and the insulator are quite complex to manufacture.

En outre, si l'isolant réduit le risque de contact, il n'empêche pas un utilisateur ou une personne de toucher indirectement les lamelles en introduisant un objet conducteur dans le logement.In addition, if the insulation reduces the risk of contact, it does not prevent a user or a person from indirectly touching the slats by introducing a conductive object into the housing.

Un but de l'invention est donc de fournir un connecteur électrique réduisant le risque d'électrisation d'un utilisateur ou d'une personne, tout en permettant une connexion électrique efficace et qui soit d'une fabrication simple et d'un prix compétitif.An aim of the invention is therefore to provide an electrical connector reducing the risk of electrification of a user or a person, while allowing an efficient electrical connection and which is simple to manufacture and at a competitive price. .

A cet effet, l'invention a pour objet un connecteur électrique selon la revendication 1.For this purpose, the invention relates to an electrical connector according to claim 1.

Selon des modes particuliers de réalisation, le connecteur électrique comprend l'une ou plusieurs des caractéristiques correspondant aux revendications 2 à 9, prise(s) isolément ou selon toutes les combinaisons techniquement possibles.According to particular embodiments, the electrical connector comprises one or more of the characteristics corresponding to claims 2 to 9, taken in isolation or in all technically possible combinations.

L'invention sera mieux comprise à la lecture de la description qui va suivre, donnée uniquement à titre d'exemple et faite en se référant aux dessins annexés, sur lesquels :

  • la figure 1 est une vue en perspective d'un connecteur électrique selon l'invention dans une configuration non insérée,
  • la figure 2 est une vue en perspective, éclatée, du contact femelle du connecteur électrique représenté sur la figure 1,
  • la figure 3 est une vue en coupe axiale du connecteur électrique représenté sur la figure 1, dans une configuration non insérée, l'organe d'isolation du contact femelle étant dans sa position de repos, et
  • la figure 4 est une vue en coupe axiale du connecteur représenté sur les figures 1 et 3, dans une configuration insérée, l'organe d'isolation du contact femelle étant dans sa position enfoncée.
The invention will be better understood on reading the description which follows, given solely by way of example and made with reference to the appended drawings, in which:
  • there figure 1 is a perspective view of an electrical connector according to the invention in a non-inserted configuration,
  • there figure 2 is an exploded perspective view of the female contact of the electrical connector shown on the figure 1 ,
  • there Figure 3 is an axial sectional view of the electrical connector shown on the figure 1 , in a non-inserted configuration, the female contact insulation member being in its rest position, and
  • there figure 4 is an axial sectional view of the connector shown on the figures 1 And 3 , in an inserted configuration, the female contact isolation member being in its depressed position.

En référence aux figures 1, 3 et 4, on décrit un connecteur électrique 1 selon l'invention.With reference to figures 1 , 3 And 4 , an electrical connector 1 according to the invention is described.

Le connecteur électrique 2 comprend un contact mâle 4 et un contact femelle 6 mobiles entre une position insérée (figure 4), dans laquelle une partie insérable 8 électriquement conductrice du contact mâle est insérée selon un axe d'insertion D dans un logement 10 défini par le contact femelle, et une position non insérée (figures 1 et 3), dans laquelle le contact mâle est à l'écart du contact femelle.The electrical connector 2 comprises a male contact 4 and a female contact 6 movable between an inserted position ( Figure 4 ), in which an electrically conductive insertable part 8 of the male contact is inserted along an insertion axis D in a housing 10 defined by the female contact, and a non-inserted position ( figures 1 And 3 ), in which the male contact is away from the female contact.

Par « distal », on entend, pour chacun des contacts, le côté défini par le sens d'insertion suivant l'axe d'insertion D. Corrélativement, on entend par « proximal » le côté opposé à l'insertion suivant l'axe d'insertion D.By “distal”, we mean, for each of the contacts, the side defined by the direction of insertion along the insertion axis D. Correlatively, by “proximal” we mean the side opposite the insertion along the axis insertion D.

Au sens de la présente demande, on entend par « conducteur » un matériau dont la résistivité électrique à 300 K est par exemple inférieure ou égale à 10-5 Ω.m. A contrario, on entend par « isolant » un matériau dont la résistivité électrique à 300 K est par exemple supérieure ou égale à 105 Ω.m.For the purposes of this application, the term “conductor” means a material whose electrical resistivity at 300 K is for example less than or equal to 10 -5 Ω.m. Conversely, the term “insulator” means a material whose electrical resistivity at 300 K is for example greater than or equal to 10 5 Ω.m.

Dans l'exemple, le contact mâle 4 et le contact femelle 6 sont adaptés pour être en contact électrique du côté distal avec deux câbles électriques (non représentés).In the example, the male contact 4 and the female contact 6 are adapted to be in electrical contact on the distal side with two electrical cables (not shown).

Le contact femelle 6 comprend un corps 12 définissant avantageusement un logement 14 pour recevoir l'un des deux câbles électriques, et une pluralité de lamelles 16 faisant saillie axialement à partir du corps, et réparties angulairement autour de la partie insérable 8 du contact mâle 4 dans la configuration insérée (figure 4). Le contact femelle 6 comprend un système de protection 18 pour protéger un utilisateur (non représenté).The female contact 6 comprises a body 12 advantageously defining a housing 14 for receiving one of the two electrical cables, and a plurality of strips 16 projecting axially from the body, and distributed angularly around the insertable part 8 of the male contact 4 in the inserted configuration ( figure 4 ). The female contact 6 includes a protection system 18 to protect a user (not shown).

Dans l'exemple, le contact femelle 6 comprend en outre plusieurs organes de contention 20 annulaires disposés autour des lamelles 16 pour plaquer les lamelles sur la partie insérable 8 dans la configuration insérée.In the example, the female contact 6 further comprises several annular retaining members 20 arranged around the strips 16 to press the strips onto the insertable part 8 in the inserted configuration.

Selon des variantes non représentées, le contact femelle 6 comprend un seul organe de contention 20, ou bien n'en comporte pas.According to variants not shown, the female contact 6 comprises a single containment member 20, or does not include one.

Le corps 12 et les lamelles 16 sont conducteurs. Ils sont par exemple en aluminium, en alliage d'aluminium, en cuivre ou en alliage de cuivre. Le corps 12 et les lamelles 16 définissent le logement 10 recevant la partie insérable 8 dans la configuration insérée.The body 12 and the lamellae 16 are conductive. They are for example made of aluminum, aluminum alloy, copper or copper alloy. The body 12 and the lamellae 16 define the housing 10 receiving the insertable part 8 in the inserted configuration.

Le corps 12 définit avantageusement un évidement 22, par exemple de forme cylindrique, au fond (du côté proximal) du logement 10.The body 12 advantageously defines a recess 22, for example cylindrical in shape, at the bottom (on the proximal side) of the housing 10.

Les lamelles 16 sont flexibles radialement et définissent entre elles des interstices 24 (figure 2) s'étendant axialement. Les lamelles 16 sont au moins au nombre de deux. Dans l'exemple représenté, les lamelles 16 sont au nombre de dix.The strips 16 are radially flexible and define gaps 24 between them ( figure 2 ) extending axially. The lamellae 16 are at least two in number. In the example shown, there are ten strips 16.

Les lamelles 16 délimitent radialement le logement 10.The slats 16 radially delimit the housing 10.

Le système de protection 18 comprend une enveloppe 26 isolante entourant les lamelles 16 autour de l'axe d'insertion D, et s'étendant axialement au moins le long des lamelles, l'enveloppe étant adaptée pour empêcher un contact électrique radialement entre un utilisateur et les lamelles. Le système de protection 18 comprend un organe d'isolation 28 mobile en translation axiale par rapport au corps 12 entre une position de repos destinée à être occupée dans la configuration non insérée, et une position enfoncée destinée à être occupée dans la configuration insérée. Le système de protection 18 comprend un mécanisme de rappel 30 adapté pour rappeler l'organe d'isolation 28 de la position enfoncée vers la position de repos.The protection system 18 comprises an insulating envelope 26 surrounding the strips 16 around the insertion axis D, and extending axially at least along the strips, the envelope being adapted to prevent electrical contact radially between a user and the slats. The protection system 18 comprises an insulation member 28 movable in axial translation relative to the body 12 between a rest position intended to be occupied in the non-inserted configuration, and a depressed position intended to be occupied in the inserted configuration. The protection system 18 includes a return mechanism 30 adapted to return the insulating member 28 from the depressed position to the rest position.

Dans l'exemple, l'enveloppe 26 s'étend axialement également le long d'une partie du corps 12. L'enveloppe 26 est par exemple fixée sur le corps 12.In the example, the envelope 26 extends axially also along a part of the body 12. The envelope 26 is for example fixed on the body 12.

Du côté distal, l'enveloppe 26 comprend avantageusement une partie terminale 32 formant un rebord 34 situé dans un prolongement axial des lamelles 16 et entourant l'axe d'insertion D.On the distal side, the envelope 26 advantageously comprises an end part 32 forming a rim 34 located in an axial extension of the lamellae 16 and surrounding the insertion axis D.

L'enveloppe 26 présente avantageusement une forme générale de révolution autour de l'axe d'insertion D, et définit par exemple des ouïes 36 réparties angulairement autour de l'axe d'insertion.The envelope 26 advantageously has a general shape of revolution around the insertion axis D, and defines for example gills 36 distributed angularly around the insertion axis.

Les ouïes 36 s'étendent par exemple axialement depuis le rebord 34 dans le sens proximal.The gills 36 extend for example axially from the rim 34 in the proximal direction.

Le rebord 34 est avantageusement adapté pour empêcher un contact électrique axial entre un utilisateur et des extrémités distales 38 des lamelles 16. Le rebord 34 définit une entrée 40 du logement, en travers de laquelle s'étend l'organe d'isolation 28 dans la position de repos.The rim 34 is advantageously adapted to prevent axial electrical contact between a user and distal ends 38 of the blades 16. The rim 34 defines an entrance 40 to the housing, across which the insulation member 28 extends in the rest position.

Le mécanisme de rappel 30 comprend par exemple un ressort 42 comprimé axialement, et situé axialement entre l'organe d'isolation 28 et le fond du logement 10.The return mechanism 30 comprises for example a spring 42 compressed axially, and located axially between the insulation member 28 and the bottom of the housing 10.

Le ressort 42 se situe partiellement dans l'évidement 22 et prend par exemple appui sur le fond de l'évidement.The spring 42 is located partially in the recess 22 and is for example supported on the bottom of the recess.

Dans la position de repos, l'organe d'isolation 28 est adapté pour obturer au moins partiellement l'entrée 40 du logement 10 et empêcher un contact électrique axial, direct ou indirect, entre l'utilisateur et les lamelles 16. Dans la position de repos, l'organe d'isolation 28 bute axialement contre une butée 44 formée par le contact femelle 6, dans l'exemple par l'un des organes de contention 20 (le plus proximal).In the rest position, the insulation member 28 is adapted to at least partially close the inlet 40 of the housing 10 and prevent axial electrical contact, direct or indirect, between the user and the slats 16. In the rest position at rest, the insulation member 28 abuts axially against a stop 44 formed by the female contact 6, in the example by one of the containment members 20 (the most proximal).

Dans la position enfoncée, l'organe d'isolation 28 est poussé vers le fond du logement 10 par le contact mâle 4 par rapport à la position de repos.In the depressed position, the insulating member 28 is pushed towards the bottom of the housing 10 by the male contact 4 relative to the rest position.

L'organe d'isolation 28 comprend par exemple une portion proximale 46 axialement par rapport au corps 12, la portion proximale définissant un logement 48 adapté pour recevoir une extrémité distale 49 du ressort 42 du mécanisme de rappel 30.The insulation member 28 comprises for example a proximal portion 46 axially relative to the body 12, the proximal portion defining a housing 48 adapted to receive a distal end 49 of the spring 42 of the return mechanism 30.

L'organe d'isolation 28 comprend par exemple une partie principale 50 adaptée pour coulisser dans le logement 10, et une pluralité de saillies 52 s'étendant radialement à partir de la partie principale, et engagées dans les interstices 24.The insulating member 28 comprises for example a main part 50 adapted to slide in the housing 10, and a plurality of projections 52 extending radially from the main part, and engaged in the interstices 24.

La partie principale 50 présente par exemple une surface radialement extérieure 54 cylindrique.The main part 50 has for example a radially outer surface 54 that is cylindrical.

Dans l'exemple, il y a trois saillies 52. Les saillies 52 sont adaptées pour glisser axialement dans les interstices 24 entre la position de repos et la position enfoncée, et pour buter sur la butée 44 dans la position de repos. Les saillies 52 forment par exemple des pions.In the example, there are three projections 52. The projections 52 are adapted to slide axially in the gaps 24 between the rest position and the depressed position, and to abut on the stop 44 in the rest position. The projections 52 form, for example, pawns.

Outre la partie insérable, le contact mâle 4 comporte par exemple un corps 56 électriquement conducteur à partir à partir duquel la partie insérable 8 forme une saillie axiale.In addition to the insertable part, the male contact 4 comprises for example an electrically conductive body 56 from which the insertable part 8 forms an axial projection.

Avantageusement, le contact mâle 4 comprend en outre une enveloppe 58 électriquement isolante entourant la partie insérable 8 autour de l'axe d'insertion D et s'étendant axialement le long de la partie insérable 8. Le contact mâle 4 comprend avantageusement un organe d'isolation 60 recouvrant une extrémité distale 62 de la partie insérable 8 par rapport au corps 56.Advantageously, the male contact 4 further comprises an electrically insulating envelope 58 surrounding the insertable part 8 around the insertion axis D and extending axially along the insertable part 8. The male contact 4 advantageously comprises a member d insulation 60 covering a distal end 62 of the insertable part 8 relative to the body 56.

Le corps 56 définit par exemple un logement 63 pour l'un des câbles électriques.The body 56 defines, for example, a housing 63 for one of the electrical cables.

L'enveloppe 58 est adaptée pour empêcher un contact électrique radial entre un utilisateur et la partie insérable 8. Avantageusement, l'enveloppe 58 s'étend axialement le long du corps 56. L'enveloppe 58 est par exemple fixée sur le corps 56. L'enveloppe 58 du contact mâle 4 est par exemple adaptée pour recouvrir l'enveloppe 26 du contact femelle 6 dans la configuration insérée.The envelope 58 is adapted to prevent radial electrical contact between a user and the insertable part 8. Advantageously, the envelope 58 extends axially along the along the body 56. The envelope 58 is for example fixed on the body 56. The envelope 58 of the male contact 4 is for example adapted to cover the envelope 26 of the female contact 6 in the inserted configuration.

L'organe d'isolation 60 du contact mâle 4 est adapté pour empêcher un contact électrique axial entre un utilisateur et l'extrémité distale 62. L'organe d'isolation 60 est par exemple adapté pour être encliqueté sur l'extrémité distale 62.The insulation member 60 of the male contact 4 is adapted to prevent axial electrical contact between a user and the distal end 62. The insulation member 60 is for example adapted to be snapped onto the distal end 62.

L'organe d'isolation 60 du contact mâle 4 et l'organe d'isolation 28 du contact femelle 6 sont par exemple adaptés pour s'emboîter l'un dans l'autre, l'un encapsulant partiellement l'autre, dans la configuration insérée.The insulation member 60 of the male contact 4 and the insulation member 28 of the female contact 6 are for example adapted to fit into each other, one partially encapsulating the other, in the configuration inserted.

Le fonctionnement du connecteur électrique 2 se déduit de sa structure et va maintenant être brièvement décrit.The operation of the electrical connector 2 can be deduced from its structure and will now be briefly described.

Le connecteur électrique 2 est par exemple initialement dans la configuration non insérée (figure 1 ou figure 3). L'organe d'isolation 28 du contact femelle 6 est dans la position de repos et obture l'entrée 40 du logement 10. Le mécanisme de rappel 30 maintient l'organe d'isolation 28 dans la position de repos. L'organe d'isolation 28 bute axialement contre la butée 44.The electrical connector 2 is for example initially in the non-inserted configuration ( figure 1 Or Figure 3 ). The insulating member 28 of the female contact 6 is in the rest position and closes the inlet 40 of the housing 10. The return mechanism 30 maintains the insulating member 28 in the rest position. The insulation member 28 abuts axially against the stop 44.

Les enveloppes 26, 58 empêchent ou limite des contacts électriques radiaux entre l'utilisateur et, d'une part, les lamelles 6, et, d'autre part, la partie insérable 8.The envelopes 26, 58 prevent or limit radial electrical contacts between the user and, on the one hand, the slats 6, and, on the other hand, the insertable part 8.

L'organe d'isolation 28 empêche un contact électrique axial entre l'utilisateur et les lamelles 16.The insulation member 28 prevents axial electrical contact between the user and the lamellae 16.

Avantageusement, le rebord 34 de l'enveloppe 26 empêche un contact électrique axial entre l'utilisateur et les extrémités distales 38 des lamelles 16.Advantageously, the rim 34 of the envelope 26 prevents axial electrical contact between the user and the distal ends 38 of the strips 16.

Puis, le connecteur 2 électrique est mis dans la configuration insérée. La partie insérable 8 est insérée dans le logement 10. Le contact mâle 4 pousse l'organe d'isolation 28, qui passe de la position de repos à la position enfoncée par translation axiale. Dans l'exemple, les saillies 52 glissent axialement dans les interstices 24. L'enveloppe 58 du contact mâle 4 vient recouvrir l'enveloppe 26 du contact femelle 6.Then, the electrical connector 2 is put into the inserted configuration. The insertable part 8 is inserted into the housing 10. The male contact 4 pushes the insulating member 28, which passes from the rest position to the depressed position by axial translation. In the example, the projections 52 slide axially in the gaps 24. The envelope 58 of the male contact 4 covers the envelope 26 of the female contact 6.

Grâce aux caractéristiques décrites ci-dessus, le connecteur électrique 2 réduit le risque d'électrisation d'un utilisateur ou d'une personne, tout en permettant une connexion électrique efficace et est d'une fabrication simple et d'un prix compétitif.Thanks to the characteristics described above, the electrical connector 2 reduces the risk of electrification of a user or a person, while allowing an efficient electrical connection and is simple to manufacture and competitively priced.

Claims (9)

Connecteur électrique (2) comportant un contact mâle (4) et un contact femelle (6) mobiles entre une configuration non insérée, dans laquelle le contact mâle (4) est à l'écart du contact femelle (6), et une configuration insérée, dans laquelle une partie insérable (8) électriquement conductrice du contact mâle (4) est insérée selon un axe d'insertion (D) dans un logement (10) défini par le contact femelle (6), le contact femelle (6) comportant : - un corps (12), et une pluralité de lamelles (16) faisant saillie axialement à partir du corps (12) et réparties angulairement autour de la partie insérable (8) dans la configuration insérée, les lamelles (16) étant électriquement conductrices et flexibles radialement, le corps (12) et les lamelles (16) définissant ledit logement (10), et - un système de protection (18) pour protéger un utilisateur, le système de protection (18) comprenant : - une enveloppe (26) électriquement isolante entourant les lamelles (16) autour de l'axe d'insertion (D) et s'étendant axialement au moins le long des lamelles (16), l'enveloppe (26) étant adaptée pour empêcher un contact électrique radialement entre un utilisateur et les lamelles (16), - un organe d'isolation (28) mobile en translation axiale par rapport au corps (12) entre une position de repos, destinée à être occupée dans la configuration non insérée, et dans laquelle l'organe d'isolation (28) obture au moins partiellement une entrée (40) du logement (10) et empêche un contact électrique axial entre l'utilisateur et les lamelles (16), et une position enfoncée, destinée à être occupée dans la configuration insérée, dans laquelle l'organe d'isolation (28) est poussé vers un fond du logement (10) par le contact mâle (4) par rapport à la position de repos, et - au moins un mécanisme de rappel (30) adapté pour rappeler l'organe d'isolation (28) de la position enfoncée vers la position de repos, dans laquelle l'organe d'isolation bute en outre axialement contre une butée (44) formée par le contact femelle (6),
dans lequel l'organe d'isolation (28) comprend une partie principale (50) adaptée pour coulisser dans le logement (10), et une pluralité de saillies (52) s'étendant radialement à partir de la partie principale (50), et engagées dans des interstices (24) s'étendant axialement, chacun des interstices (24) étant situé entre deux des lamelles (16), les saillies (52) étant adaptées pour glisser axialement dans les interstices (24) entre la position de repos et la position enfoncée, et pour buter sur ladite butée (44) dans la position de repos. Electrical connector (2) comprising a male contact (4) and a female contact (6) movable between an uninserted configuration, in which the male contact (4) is spaced from the female contact (6), and an inserted configuration , in which an electrically conductive insertable part (8) of the male contact (4) is inserted along an insertion axis (D) in a housing (10) defined by the female contact (6), the female contact (6) comprising : - a body (12), and a plurality of strips (16) projecting axially from the body (12) and distributed angularly around the insertable part (8) in the inserted configuration, the strips (16) being electrically conductive and radially flexible, the body (12) and the lamellae (16) defining said housing (10), and - a protection system (18) to protect a user, the protection system (18) comprising: - an electrically insulating envelope (26) surrounding the lamellae (16) around the insertion axis (D) and extending axially at least along the lamellae (16), the envelope (26) being adapted to prevent an electrical contact radially between a user and the slats (16), - an insulating member (28) movable in axial translation relative to the body (12) between a rest position, intended to be occupied in the non-inserted configuration, and in which the insulating member (28) closes at less partially an entrance (40) of the housing (10) and prevents axial electrical contact between the user and the lamellae (16), and a depressed position, intended to be occupied in the inserted configuration, in which the member of insulation (28) is pushed towards a bottom of the housing (10) by the male contact (4) relative to the rest position, and - at least one return mechanism (30) adapted to return the insulating member (28) from the depressed position to the rest position, in which the insulating member further abuts axially against a stop (44) formed by the female contact (6),
in which the insulating member (28) comprises a main part (50) adapted to slide in the housing (10), and a plurality of projections (52) extending radially from the main part (50), and engaged in axially extending gaps (24), each of the gaps (24) being located between two of the slats (16), the projections (52) being adapted to slide axially in the gaps (24) between the rest position and the depressed position, and to abut on said stop (44) in the rest position. Connecteur électrique (2) selon la revendication 1, dans lequel le mécanisme de rappel (30) comprend un ressort (42) comprimé axialement et situé axialement entre l'organe d'isolation (28) et le fond du logement (10).Electrical connector (2) according to claim 1, in which the return mechanism (30) comprises a spring (42) compressed axially and located axially between the insulating member (28) and the bottom of the housing (10). Connecteur électrique (2) selon la revendication 2, dans lequel l'organe d'isolation (28) comprend une portion proximale (46) axialement par rapport au corps (12), la partie proximale définissant un logement (48) adapté pour recevoir une extrémité distale (49) du ressort (42).Electrical connector (2) according to claim 2, in which the insulating member (28) comprises a proximal portion (46) axially relative to the body (12), the proximal portion defining a housing (48) adapted to receive a distal end (49) of the spring (42). Connecteur électrique (2) selon l'une quelconque des revendications 1 à 3, dans lequel les saillies (52) forment des pions.Electrical connector (2) according to any one of claims 1 to 3, in which the projections (52) form pins. Connecteur électrique (2) selon l'une quelconque des revendications 1 à 4, dans lequel le contact femelle (6) comprend en outre au moins un organe de contention (20) annulaire disposé autour des lamelles (16) pour plaquer au moins certaines des lamelles (16) sur la partie insérable (8) dans la configuration insérée, l'organe de contention (20) définissant ladite butée (44).Electrical connector (2) according to any one of claims 1 to 4, in which the female contact (6) further comprises at least one annular retaining member (20) arranged around the strips (16) to press at least some of the slats (16) on the insertable part (8) in the inserted configuration, the retention member (20) defining said stop (44). Connecteur électrique (2) selon l'une quelconque des revendications 1 à 5, dans lequel l'enveloppe (26) comprend une partie terminale (32) formant un rebord (34) situé dans un prolongement axial des lamelles (16) et entourant l'axe d'insertion (D), le rebord (34) étant adapté pour empêcher un contact électrique axial entre un utilisateur et des extrémités distales (38) des lamelles (16) par rapport au corps (12), le rebord (34) définissant l'entrée (40) du logement (10).Electrical connector (2) according to any one of claims 1 to 5, in which the envelope (26) comprises an end part (32) forming a rim (34) located in an axial extension of the strips (16) and surrounding the insertion axis (D), the rim (34) being adapted to prevent axial electrical contact between a user and distal ends (38) of the blades (16) relative to the body (12), the rim (34) defining the entrance (40) to the housing (10). Connecteur électrique (2) selon l'une quelconque des revendications 1 à 6, dans lequel le contact mâle (4) comprend en outre : - une enveloppe (58) isolante entourant la partie insérable (8) autour de l'axe d'insertion (D) et s'étendant axialement le long de la partie insérable (8), l'enveloppe (58) du contact mâle (4) étant adaptée pour empêcher un contact électrique radial entre un utilisateur et la partie insérable (8), - un corps (56) à partir duquel la partie insérable (8) forme une saillie axiale, et - un organe d'isolation (60) recouvrant une extrémité distale (62) de la partie insérable (8) par rapport au corps (56) du contact mâle (4), l'organe d'isolation (60) du contact mâle (4) étant adapté pour empêcher un contact électrique axial entre un utilisateur et ladite extrémité distale (62). Electrical connector (2) according to any one of claims 1 to 6, in which the male contact (4) further comprises: - an insulating envelope (58) surrounding the insertable part (8) around the insertion axis (D) and extending axially along the insertable part (8), the envelope (58) of the male contact ( 4) being adapted to prevent radial electrical contact between a user and the insertable part (8), - a body (56) from which the insertable part (8) forms an axial projection, and - an insulation member (60) covering a distal end (62) of the insertable part (8) relative to the body (56) of the male contact (4), the insulation member (60) of the male contact ( 4) being adapted to prevent axial electrical contact between a user and said distal end (62). Connecteur électrique (2) selon la revendication 7, dans lequel l'organe d'isolation (60) du contact mâle (4) est adapté pour être encliqueté sur l'extrémité distale (62) de la partie insérable (8).Electrical connector (2) according to claim 7, in which the insulating member (60) of the male contact (4) is adapted to be snapped onto the distal end (62) of the insertable part (8). Connecteur électrique (2) selon la revendication 7 ou 8, dans lequel l'organe d'isolation (60) du contact mâle (4) et l'organe d'isolation (28) du contact femelle (6) sont adaptés pour s'emboîter l'un dans l'autre, l'un encapsulant partiellement l'autre.Electrical connector (2) according to claim 7 or 8, in which the insulation member (60) of the male contact (4) and the insulation member (28) of the female contact (6) are adapted to nest one inside the other, one partially encapsulating the other.
EP23177974.5A 2022-06-08 2023-06-07 Electrical connector having a user protection system Pending EP4290705A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR2205491A FR3136603A1 (en) 2022-06-08 2022-06-08 Electrical connector comprising a user protection system

Publications (1)

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EP4290705A1 true EP4290705A1 (en) 2023-12-13

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EP23177974.5A Pending EP4290705A1 (en) 2022-06-08 2023-06-07 Electrical connector having a user protection system

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US (1) US20230402785A1 (en)
EP (1) EP4290705A1 (en)
FR (1) FR3136603A1 (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1202374B (en) * 1962-10-03 1965-10-07 Bbc Brown Boveri & Cie Electric coupling consisting of two coupling parts
GB1203852A (en) * 1967-05-19 1970-09-03 Bolkow Gmbh Electric plug connection
GB2228631A (en) * 1989-02-27 1990-08-29 Cliff Electron Components Ltd Plug adaptor for electrical branching
EP3121908A1 (en) * 2015-07-21 2017-01-25 ITT Manufacturing Enterprises LLC Connector
EP3208892A1 (en) * 2016-02-18 2017-08-23 Razvan Ilie Electrical connector comprising a plurality of electrically conductive strips

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1202374B (en) * 1962-10-03 1965-10-07 Bbc Brown Boveri & Cie Electric coupling consisting of two coupling parts
GB1203852A (en) * 1967-05-19 1970-09-03 Bolkow Gmbh Electric plug connection
GB2228631A (en) * 1989-02-27 1990-08-29 Cliff Electron Components Ltd Plug adaptor for electrical branching
EP3121908A1 (en) * 2015-07-21 2017-01-25 ITT Manufacturing Enterprises LLC Connector
EP3208892A1 (en) * 2016-02-18 2017-08-23 Razvan Ilie Electrical connector comprising a plurality of electrically conductive strips

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US20230402785A1 (en) 2023-12-14

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