EP3520176B1 - Terminal block comprising an electrical connection system with two connecting branches - Google Patents

Terminal block comprising an electrical connection system with two connecting branches Download PDF

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Publication number
EP3520176B1
EP3520176B1 EP16774511.6A EP16774511A EP3520176B1 EP 3520176 B1 EP3520176 B1 EP 3520176B1 EP 16774511 A EP16774511 A EP 16774511A EP 3520176 B1 EP3520176 B1 EP 3520176B1
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EP
European Patent Office
Prior art keywords
terminal block
cooperation
branch
opening
conductive
Prior art date
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Active
Application number
EP16774511.6A
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German (de)
French (fr)
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EP3520176A1 (en
Inventor
Romain Villard
Yannick VILLARDIER
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TE Connectivity Services GmbH
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TE Connectivity Services GmbH
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Publication date
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Publication of EP3520176A1 publication Critical patent/EP3520176A1/en
Application granted granted Critical
Publication of EP3520176B1 publication Critical patent/EP3520176B1/en
Active 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
    • H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
    • H01R11/03—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the relationship between the connecting locations
    • H01R11/05—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the relationship between the connecting locations the connecting locations having different types of direct connections
    • 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
    • H01R13/113—Resilient sockets co-operating with pins or blades having a rectangular 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
    • H01R13/18—Pins, blades or sockets having separate spring member for producing or increasing contact pressure with the spring member surrounding 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
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
    • H01R4/4809—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar
    • H01R4/48185—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar adapted for axial insertion of a wire end
    • H01R4/48275—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a leaf spring to bias the conductor toward the busbar adapted for axial insertion of a wire end with an opening in the housing for insertion of a release tool
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/22—Bases, e.g. strip, block, panel
    • H01R9/24—Terminal blocks
    • H01R9/26—Clip-on terminal blocks for side-by-side rail- or strip-mounting
    • H01R9/2691—Clip-on terminal blocks for side-by-side rail- or strip-mounting with ground wire connection to the rail

Definitions

  • the present invention relates to a terminal block comprising an electrical connection system and an insulating body in which the electrical connection system is arranged, the electrical connection system comprising two branches for connection to a portion of a support rail.
  • documents DE 203 05 313 U1 and US 2006/063419 A1 describe electrical connection systems.
  • junction block comprising an electrical connection system making it possible to electrically connect an electrical conductor and a support rail.
  • This electrical connection system comprises a conductive bar which is arranged to be electrically connected both to the electrical conductor and to the support rail.
  • Maintaining cooperation can be tricky because the holding device requires reducing the section of the conductive bar for its installation.
  • the present invention aims to resolve all or part of the drawbacks mentioned above.
  • the present invention relates to a terminal block comprising an electrical connection system and an insulating body in which is provided said electrical connection system, as claimed in independent claim 1.
  • the various aspects of this invention are covered by dependent claims.
  • the holding device is partly provided in the conductive bar.
  • connection branch or branches has the effect of creating two passage channels for the current bypassing the through opening.
  • This arrangement therefore makes it possible not to have a zone of weakness in which the transmission of current is reduced at the level of the through opening.
  • the clamping device is a device equivalent to the leaf spring, this device being arranged to hold the conductive portion in the position of connection with the conductive bar.
  • said one through opening corresponds to a reduction of between 10% and 50% of a nominal section over a defined length of said at least one corresponding connection branch.
  • the nominal section is a section of said at least one corresponding connection branch at a distance from the through opening.
  • the reduction is between 10% and 40% and in particular between 15% and 30%.
  • This arrangement quantifies the acceptable reduction in section so that the current is correctly transmitted despite the through opening.
  • each connection branch has a through opening configured for the passage of a portion of the holding device in the cooperative position.
  • This arrangement allows an improvement in the flow of the current, the current flow section comprising four flow channels.
  • a first connection branch comprises a first through opening and a second connection branch comprises a second through opening, the first through opening being opposite the second through opening.
  • This arrangement makes it possible to easily insert the retaining device in the conductive bar in order to position it in the cooperation position.
  • the first through opening and the second through opening are symmetrical with respect to a central plane.
  • This symmetry allows the portion of the support rail to be held in position because the clamping forces are distributed evenly.
  • This arrangement also facilitates the installation of the retaining device: there is no risk of the retaining device jamming during its installation in the cooperative position.
  • each connection branch has a cooperative projection arranged to cooperate with the portion of the support rail in the cooperative position.
  • This arrangement makes it possible to effectively clamp the portion of the support rail in the cooperative position and also to ensure good electrical contact.
  • the cooperative advances of the connection branches extend along the same axis in the cooperative position.
  • connection branches improves cooperation between the connection branches and the conductive bar in the cooperation position.
  • connection branch also has a cooperation stop extending transversely to the cooperation advance.
  • This arrangement allows the portion of the support rail to be kept in a cooperative position.
  • the portion of the support rail comprises a first complementary part with the cooperation projection extending along a first plane and comprises a second complementary part with the cooperation stop extending along a second plane. transverse in the foreground.
  • This cooperation in two transverse parts allows proper positioning of the respective support rail and the electrical connection system in the cooperation position.
  • the cooperation stop is obtained from the folding of an end portion of the corresponding branch.
  • the holding device comprises a clamping spring provided with two ends facing each other, each end being arranged to cooperate with a clamping location of a corresponding connection branch.
  • connection branches in a cooperative position in a reliable manner.
  • At least one clamping location is provided in a cavity of the corresponding connection branch, said location being arranged to receive a corresponding end of the clamping spring.
  • each connection branch comprises a cavity as described above.
  • connection branch for each connection branch, the cavity and the cooperation projection are aligned in a direction transverse to the direction of extension of the corresponding branch.
  • This arrangement allows optimum application of the clamping force of the clamping spring at the cooperation projections, which implies good holding in position of the portion of the clamping rail in the cooperation position.
  • each cooperation branch corresponds to a folded blade portion generating the cavity and the cooperation projection.
  • the cavity has the shape of a groove which makes it possible to easily dispose each end of the clamping spring in the corresponding clamping location laterally with respect to the direction of extension of the corresponding branch.
  • the clamping spring has a C-shape.
  • This arrangement allows easier insertion of the clamping spring into the through openings.
  • the conductive bar has a passage opening for the insertion of the conductive portion in the connection position.
  • This arrangement allows the realization of the conductive bar in a single piece having no point of weakness because the current can always be transmitted in sufficient quantity by the two side branches generated by the passage opening.
  • the conductive bar comprises a first part and a second part, the first part being opposite the second part.
  • This arrangement makes it possible to produce a compact electrical connection system. This arrangement also makes it possible to adapt the position of the leaf spring I according to the geometric constraints due to the shape of the terminal block.
  • the first part comprises the first connection branch and the second part comprises the second connection branch.
  • the conductive bar has a general U-shape.
  • This arrangement makes it possible to produce the conductive bar from a rectilinear blade which is then folded. This arrangement allows a saving in material because a base sheet cut into rectilinear blades generates little waste, that is to say loss of material.
  • the conductive bar consists of a folded conductive blade.
  • the manufacture of the conductive bar is easy since it is made from a cut sheet which is then folded to give the conductive bar its final shape.
  • the conductive bar consists of a conductive blade.
  • This arrangement facilitates the manufacture of the conductive bar because it comes from a flat blade which is then transformed.
  • the mass production of this single conductive part therefore makes it possible to save production time and reduce conversion costs compared to a system comprising several conductive parts.
  • a saving in material is achieved because a base sheet can generate a large number of blades, the material waste being reduced.
  • the conductive blade is included in a rectangular outline.
  • the blade is a rectangle, it is easy to find an arrangement of the cutouts to be made on the base sheet to minimize scrap and produce the most conductive bars.
  • the conductive bar comprises a recess suitable for the interlocking by force of a fixing part of the support branch.
  • the depression is made by cutting the conductive blade.
  • the depression is thus carried out during the cutting of the conductive blade, which limits the manufacturing time.
  • the cutout creates a through opening in the conductive bar.
  • the insulating body comprises a support portion of the support branch.
  • This arrangement makes it possible to ensure the locking of the support branch during the stressing of the clamping branch.
  • the insulating body comprises a support pad arranged to cooperate with the conductive bar so as to allow the movement of at least one connection branch relative to a corresponding fixed base of said branch adjoining said branch. connection branch.
  • This support pad therefore allows the conductive bar to be held in position inside the junction block while allowing the displacement of one branch or two branches depending on its configuration.
  • the support pad is arranged to cooperate with a first fixed base of the first connection branch and a second fixed base of the second connection branch.
  • the insulating body comprises a centering wall arranged to hold in position the holding device in the cooperative position.
  • an electrical device 1 such as a terminal block 3 comprises an insulating body 5 and an electrical connection system 7, the electrical connection system 7 being provided in the insulating body 5.
  • the terminal block 3 includes sockets 9 for electrical conductors. Two sockets 9 are connected by a connecting bar 11 to establish electrical contact between two corresponding conductors.
  • the terminal block 3 also has a socket 9 'for an electrical conductor 13 intended to be electrically connected to a support rail 15 on which the terminal block 3 is removably fixed.
  • the electrical conductor 13 has at one end a conductive portion 13 ', for example a metal tip.
  • the metal tip is designed to be inserted into an insertion channel 17 of the socket 9 'where it is held in position by the electrical connection system 7.
  • the socket 9 'further comprises an operating channel in which a user can insert a tool of the screwdriver type for the removal of the electrical conductor 13.
  • the electrical connection system 7 comprises a conductive bar 21 arranged to transmit a current between the conductive portion 13 'of the electrical conductor 13 and a portion 15' of the support rail 15.
  • the support rail 15 thus has a dual function since it allows the fixing of the junction block 3 and it is also used to be electrically connected to the electrical conductor 13.
  • the electrical connection system 7 also comprises a clamping device 22 of the leaf spring type 23 arranged to hold the conductive portion 13 'in a connection position with the conductive bar 21 as illustrated in FIGS. figures 5 to 8 .
  • any other type of clamping device 22 could be used provided that the clamping device 22 is arranged to hold the conductive portion 13 'in a position of connection with the conductive bar 21.
  • a clamping device 22 screw could for example be used.
  • the leaf spring 23 comprises a support branch 23 'arranged to be fixed to the conductive bar 21.
  • the conductive bar 21 has a recess 25 or a through opening resulting from a cutout suitable for force-fitting. of a fixing part 27 of the support branch 23 '.
  • the leaf spring 23 also comprises a clamping branch 23 "joined by an articulation 23" 'to the support branch 23'.
  • the clamping branch 23 is arranged to hold the conductive portion 13 'in the connection position.
  • the operating channel is arranged so as to allow the movement of the clamping branch 23 "for the removal of the electrical conductor 13.
  • the insulating body 5 has a support portion 29 of the support branch 23 'having the function of blocking the support branch 23' during the movement of the clamping branch 23 ".
  • the conductive bar 21 has a folded end portion 31 generating a first part 33 ′ of a cooperation zone 35 or cooperation projection 33 and a second part 37 ′ of the cooperation zone 35 or cooperation stop 37.
  • This first part 33 ′ of the conductive bar 21 is arranged to cooperate with a first complementary part 39 of the support rail 15 extending along a first plane 39 ′.
  • This second part 37 'of the conductor bar 21 is arranged to cooperate with a second complementary part 41 of the support rail 15 extending along a second plane 41' transverse to the first plane 39 '.
  • the conductive bar 21 also has a longitudinal contact surface 43 on which are provided an electrical contact location 45 with the conductive portion 13 'in the connection position, the cooperation projection 33 and the cooperation stop 37.
  • the electrical contact location 45 extends in a rectilinear manner along a profile generating one or more grooves for better retention of the conductive portion 13 'in the connection position.
  • the conductive bar 21 also has a passage opening 47 for the insertion of the conductive portion 13 'in the connection position. This passage opening 47 results for example from a cut made before folding the conductive bar 21.
  • the electrical connection system 7 also comprises a holding device 49 arranged to hold the support rail 15 in a position of cooperation with the conductive bar 21.
  • the cooperation takes place by contact, which allows current transmission between the conductive bar 21 and the support rail 15.
  • the conductive bar 21 comprises a first part 51 and a second part 53 at least partially facing the first part 51.
  • the first part 51 comprises the longitudinal contact surface 43 and the second part 53 cooperates with the holding device 49. Having these two parts 51, 53 makes it possible to produce a compact electrical connection system 7 and / or s '' adapt to geometric constraints imposed on the terminal block 3.
  • the conductive bar 21 can thus be obtained by cutting in a base sheet and then by bending.
  • the conductive bar may have a general U-shape.
  • the first part 51 the second part 53 are each formed in a different branch of the U.
  • the general U-shape of the conductive bar 21 is obtained from a conductive blade cut from a base sheet.
  • the blade is included in a rectangular outline which saves material by limiting scraps during cutting. When cutting, through openings are also created.
  • This arrangement makes it possible to maintain a large section for good current transmission once the conductive strip 21 is folded.
  • the conductive bar 21 once folded also has good strength and does not risk being deformed during assembly in the junction block 3.
  • the retaining device 7 comprises a C-shaped clamping spring 61 comprising a first end 61a and a second end 61b opposite the first end 61a.
  • the clamping spring 61 therefore provides a clamping force between its two ends 61a, 61b. It is designed to maintain the cooperation between the portion 15 'of the support rail 15 and the conductive bar 21 in the cooperation position.
  • the conductive bar 21 comprises a first connection branch 63a and a second connection branch 63b respectively movable relative to an adjoining first fixed base 65a and a second fixed base 65b adjoining the conductive bar 21.
  • connection branches 63a, 63b function as a jaw enclosing the portion 15 'of the support rail 15 in the cooperative position.
  • the first connection branch 63a has a first through opening 69a and the second connection branch 63b has a second through opening 69b.
  • the first through opening 69a and the second through opening 69b are facing each other and symmetrical with respect to a central plane 71.
  • Each through opening 69a, 69b generates two current passage channels 73, which allows good current transmission in the conductive bar although material has been removed to provide said opening.
  • connection branch 63a, 63b also has a cavity 75a, 75b in the form of a groove extending aligned with the corresponding cooperation projection 33 in a direction transverse to the central plane 71.
  • a clamping location 77a, 77b is provided in said cavity 75a, 75b of each connection branch 63a, 63b.
  • a first clamping location 77a is arranged to receive the first end 61a of the clamping spring 61 and a second clamping location 77b the second end 61b.
  • connection branch 63a, 63b includes a cooperative projection 33.
  • the insulating body 5 has a centering wall 79.
  • the tightening obtained is also optimum because the tightening spring 61 is centered laterally with respect to the direction of extension of the conductive bar.
  • the electrical connection system 7 described is therefore of simple constitution, easy to assemble and allowing good current transmission.

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  • Connections Arranged To Contact A Plurality Of Conductors (AREA)
  • Installation Of Bus-Bars (AREA)

Description

La présente invention concerne un bloc de jonction comprenant un système de liaison électrique et un corps isolant dans lequel est aménagé le système de liaison électrique, le système de liaison électrique comprenant deux branches de connexion à une portion d'un rail de support.The present invention relates to a terminal block comprising an electrical connection system and an insulating body in which the electrical connection system is arranged, the electrical connection system comprising two branches for connection to a portion of a support rail.

Par exemple, les documents DE 203 05 313 U1 et US 2006/063419 A1 décrivent des systèmes de liaison électrique.For example, documents DE 203 05 313 U1 and US 2006/063419 A1 describe electrical connection systems.

Il est connu d'utiliser un bloc de jonction comprenant un système de liaison électrique permettant de raccorder électriquement un conducteur électrique et un rail de support.It is known to use a junction block comprising an electrical connection system making it possible to electrically connect an electrical conductor and a support rail.

Ce système de liaison électrique comprend une barrette conductrice qui est agencée pour être raccordée électriquement à la fois au conducteur électrique et au rail de support.This electrical connection system comprises a conductive bar which is arranged to be electrically connected both to the electrical conductor and to the support rail.

Il est possible de prévoir un dispositif de maintien de la coopération entre le rail de support et cette barrette conductrice.It is possible to provide a device for maintaining cooperation between the support rail and this conductive bar.

Le maintien de la coopération peut être délicat car le dispositif de maintien nécessite la diminution de la section de la barrette conductrice pour son installation.Maintaining cooperation can be tricky because the holding device requires reducing the section of the conductive bar for its installation.

Le courant risque ainsi d'être moins bien transmis au niveau de cette section diminuée.The current thus risks being less well transmitted at this reduced section.

La présente invention vise à résoudre tout ou partie des inconvénients mentionnés ci-dessus.The present invention aims to resolve all or part of the drawbacks mentioned above.

A cet effet, la présente invention concerne un bloc de jonction comprenant une système de liaison électrique et un corps isolant dans lequel est ménagé ledit système de liaison électrique, tel que revendiqué dans la revendication indépendante 1. Les différents aspects de cette invention sont couverts par les revendications dépendantes.To this end, the present invention relates to a terminal block comprising an electrical connection system and an insulating body in which is provided said electrical connection system, as claimed in independent claim 1. The various aspects of this invention are covered by dependent claims.

En d'autres termes, le dispositif de maintien est en partie ménagé dans la barrette conductrice.In other words, the holding device is partly provided in the conductive bar.

Le fait de disposer d'une ouverture traversante dans la ou les branches de connexion a pour effet de créer deux canaux de passage pour le courant contournant l'ouverture traversante.The fact of having a through opening in the connection branch or branches has the effect of creating two passage channels for the current bypassing the through opening.

Cette disposition permet donc de ne pas avoir de zone de faiblesse dans laquelle la transmission du courant est réduite au niveau de l'ouverture traversante.This arrangement therefore makes it possible not to have a zone of weakness in which the transmission of current is reduced at the level of the through opening.

En effet, contrairement aux barrettes conductrices présentant une encoche latérale pour la disposition du dispositif de maintien, le fait de disposer de deux canaux de passage améliore la circulation du courant.Indeed, unlike conductive bars having a lateral notch for the arrangement of the holding device, the fact of having two passage channels improves the flow of current.

Selon un autre aspect de l'invention, le dispositif de serrage est un dispositif équivalent au ressort à lames, ce dispositif étant agencé pour maintenir la portion conductrice en position de liaison avec la barrette conductrice.According to another aspect of the invention, the clamping device is a device equivalent to the leaf spring, this device being arranged to hold the conductive portion in the position of connection with the conductive bar.

Selon un aspect de l'invention, ladite une ouverture traversante correspond à une diminution comprise entre 10% et 50% d'une section nominale sur une longueur définie de ladite au moins une branche de connexion correspondante.According to one aspect of the invention, said one through opening corresponds to a reduction of between 10% and 50% of a nominal section over a defined length of said at least one corresponding connection branch.

La section nominale est une section de ladite au moins une branche de connexion correspondante à distance de l'ouverture traversante.The nominal section is a section of said at least one corresponding connection branch at a distance from the through opening.

De préférence, la diminution est comprise entre 10% et 40% et en particulier entre 15% et 30%.Preferably, the reduction is between 10% and 40% and in particular between 15% and 30%.

Cette disposition quantifie la diminution de section acceptable pour que le courant soit correctement transmis malgré l'ouverture traversante.This arrangement quantifies the acceptable reduction in section so that the current is correctly transmitted despite the through opening.

Selon l'invention, chaque branche de connexion présente une ouverture traversante configurée pour le passage d'une portion du dispositif de maintien en position de coopération.According to the invention, each connection branch has a through opening configured for the passage of a portion of the holding device in the cooperative position.

Cette disposition permet une amélioration de la circulation du courant, la section de passage du courant comprenant quatre canaux de passage.This arrangement allows an improvement in the flow of the current, the current flow section comprising four flow channels.

Selon l'invention, une première branche de connexion comprend une première ouverture traversante et une deuxième branche de connexion comprend une deuxième ouverture traversante, la première ouverture traversante étant en regard de la deuxième ouverture traversante.According to the invention, a first connection branch comprises a first through opening and a second connection branch comprises a second through opening, the first through opening being opposite the second through opening.

Cette disposition permet d'insérer aisément le dispositif de maintien dans la barrette conductrice pour le positionner en position de coopération.This arrangement makes it possible to easily insert the retaining device in the conductive bar in order to position it in the cooperation position.

Selon un aspect de l'invention, la première ouverture traversante et la deuxième ouverture traversante sont symétriques par rapport à un plan central.According to one aspect of the invention, the first through opening and the second through opening are symmetrical with respect to a central plane.

Cette symétrie permet un bon maintien en position de la portion du rail de support car les forces de serrage sont réparties de manière régulière.This symmetry allows the portion of the support rail to be held in position because the clamping forces are distributed evenly.

Cette disposition facilite également l'installation du dispositif de maintien : il n'y a pas de risque de blocage du dispositif de maintien lors de son installation en position de coopération.This arrangement also facilitates the installation of the retaining device: there is no risk of the retaining device jamming during its installation in the cooperative position.

Selon l'invention, chaque branche de connexion présente une avancée de coopération agencée pour coopérer avec la portion du rail de support en position de coopération.According to the invention, each connection branch has a cooperative projection arranged to cooperate with the portion of the support rail in the cooperative position.

Cette disposition permet de serrer efficacement la portion du rail de support en position de coopération et également d'assurer un bon contact électrique.This arrangement makes it possible to effectively clamp the portion of the support rail in the cooperative position and also to ensure good electrical contact.

Selon un aspect de l'invention, les avancées de coopération des branches de connexion s'étendent selon un même axe en position de coopération.According to one aspect of the invention, the cooperative advances of the connection branches extend along the same axis in the cooperative position.

Cette disposition améliore la coopération entre les branches de connexion et la barrette conductrice en position de coopération.This arrangement improves cooperation between the connection branches and the conductive bar in the cooperation position.

Selon l'invention, une branche de connexion présente en outre une butée de coopération s'étendant transversalement à l'avancée de coopération.According to the invention, a connection branch also has a cooperation stop extending transversely to the cooperation advance.

Cette disposition permet un bon maintien en position de coopération de la portion du rail de support.This arrangement allows the portion of the support rail to be kept in a cooperative position.

En effet, en position de coopération, la portion du rail de support comprend une première partie complémentaire avec l'avancée de coopération s'étendant selon un premier plan et comprend une deuxième partie complémentaire avec la butée de coopération s'étendant selon un deuxième plan transversal au premier plan.In fact, in the cooperation position, the portion of the support rail comprises a first complementary part with the cooperation projection extending along a first plane and comprises a second complementary part with the cooperation stop extending along a second plane. transverse in the foreground.

Cette coopération selon deux parties transversales permet un bon positionnement respectif du rail de support et du système de liaison électrique en position de coopération.This cooperation in two transverse parts allows proper positioning of the respective support rail and the electrical connection system in the cooperation position.

Le risque de mouvement intempestif en position de coopération et donc d'interruption de contact électrique entre le rail de support et la barrette conductrice sont ainsi limités.The risk of unwanted movement in the cooperation position and therefore of interruption of electrical contact between the support rail and the conductive bar are thus limited.

Selon un aspect de l'invention, la butée de coopération est obtenue à partir du pliage d'une portion extrême de la branche correspondante.According to one aspect of the invention, the cooperation stop is obtained from the folding of an end portion of the corresponding branch.

Selon un aspect de l'invention, le dispositif de maintien comprend un ressort de serrage pourvu de deux extrémités en regard l'une de l'autre, chaque extrémité étant agencée pour coopérer avec un emplacement de serrage d'une branche de connexion correspondante.According to one aspect of the invention, the holding device comprises a clamping spring provided with two ends facing each other, each end being arranged to cooperate with a clamping location of a corresponding connection branch.

Cette disposition permet de maintenir les branches de connexion en position de coopération de manière fiable.This arrangement makes it possible to maintain the connection branches in a cooperative position in a reliable manner.

Selon un aspect de l'invention, au moins un emplacement de serrage est ménagé dans une cavité de la branche de connexion correspondante, ledit emplacement étant agencé pour recevoir une extrémité correspondante du ressort de serrage.According to one aspect of the invention, at least one clamping location is provided in a cavity of the corresponding connection branch, said location being arranged to receive a corresponding end of the clamping spring.

Cette disposition permet une mise en place simple du ressort de serrage sur les branches de connexion. Les extrémités du ressort de serrage sont ainsi maintenues dans les cavités. Il n'y a pas de risque de déplacement du ressort de serrage par rapport aux branches de connexion.This arrangement allows a simple installation of the clamping spring on the connection branches. The ends of the clamping spring are thus held in the cavities. There is no risk of the clamping spring moving relative to the connection branches.

Selon un aspect de l'invention, chaque branche de connexion comprend une cavité telle que décrite ci-avant.According to one aspect of the invention, each connection branch comprises a cavity as described above.

Selon un aspect de l'invention, pour chaque branche de connexion, la cavité et l'avancée de coopération sont alignées selon une direction transversale à la direction d'extension de la branche correspondante.According to one aspect of the invention, for each connection branch, the cavity and the cooperation projection are aligned in a direction transverse to the direction of extension of the corresponding branch.

Cette disposition permet une application optimale de la force de serrage du ressort de serrage au niveau des avancées de coopération, ce qui implique un bon maintien en position de la portion du rail de serrage en position de coopération.This arrangement allows optimum application of the clamping force of the clamping spring at the cooperation projections, which implies good holding in position of the portion of the clamping rail in the cooperation position.

Selon un aspect de l'invention, chaque branche de coopération correspond à une portion de lame pliée engendrant la cavité et l'avancée de coopération. Cette disposition permet une fabrication simple et peu couteuse de la barrette conductrice.According to one aspect of the invention, each cooperation branch corresponds to a folded blade portion generating the cavity and the cooperation projection. This arrangement allows simple and inexpensive manufacture of the conductive bar.

Egalement, la cavité présente une forme de sillon ce qui permet de disposer aisément chaque extrémité du ressort de serrage dans l'emplacement de serrage correspondant latéralement par rapport à la direction d'extension de la branche correspondante.Also, the cavity has the shape of a groove which makes it possible to easily dispose each end of the clamping spring in the corresponding clamping location laterally with respect to the direction of extension of the corresponding branch.

Selon un aspect de l'invention, le ressort de serrage présente une forme en C.According to one aspect of the invention, the clamping spring has a C-shape.

Cette disposition permet une insertion facilitée du ressort de serrage dans les ouvertures traversantes.This arrangement allows easier insertion of the clamping spring into the through openings.

Selon un aspect de l'invention, la barrette conductrice présente une ouverture de passage pour l'insertion de la portion conductrice en position de liaison.According to one aspect of the invention, the conductive bar has a passage opening for the insertion of the conductive portion in the connection position.

Cette disposition permet la réalisation de la barrette conductrice en une seule pièce ne présentant pas de point de faiblesse car le courant peut toujours être transmis en quantité suffisante par les deux branches latérales engendrées par l'ouverture de passage.This arrangement allows the realization of the conductive bar in a single piece having no point of weakness because the current can always be transmitted in sufficient quantity by the two side branches generated by the passage opening.

Selon un aspect de l'invention, la barrette conductrice comprend une première partie et une deuxième partie, la première partie étant en regard de la deuxième partie.According to one aspect of the invention, the conductive bar comprises a first part and a second part, the first part being opposite the second part.

Cette disposition permet de réaliser un système de liaison électrique compact. Cette disposition permet en outre d'adapter la position du ressort à lames I selon les contraintes géométriques dues à la forme du bloc de jonction.This arrangement makes it possible to produce a compact electrical connection system. This arrangement also makes it possible to adapt the position of the leaf spring I according to the geometric constraints due to the shape of the terminal block.

Selon un aspect de l'invention, la première partie comprend la première branche de connexion et la deuxième partie comprend la deuxième branche de connexion.According to one aspect of the invention, the first part comprises the first connection branch and the second part comprises the second connection branch.

Selon un aspect de l'invention, la barrette conductrice présente une forme générale en U.According to one aspect of the invention, the conductive bar has a general U-shape.

Cette disposition permet de réaliser la barrette conductrice à partir d'une lame rectiligne qui est ensuite pliée. Cette disposition permet une économie de matière car une tôle de base découpée en lames rectilignes engendre peu de chute, c'est-à-dire de perte de matière.This arrangement makes it possible to produce the conductive bar from a rectilinear blade which is then folded. This arrangement allows a saving in material because a base sheet cut into rectilinear blades generates little waste, that is to say loss of material.

Selon un aspect de l'invention, la barrette conductrice est constituée d'une lame conductrice pliée.According to one aspect of the invention, the conductive bar consists of a folded conductive blade.

La fabrication de la barrette conductrice est aisée puisqu'elle est réalisée à partir d'une tôle découpée qui est ensuite pliée pour conférer à la barrette conductrice sa forme finale.The manufacture of the conductive bar is easy since it is made from a cut sheet which is then folded to give the conductive bar its final shape.

Selon un exemple non revendiqué de l'invention, la barrette conductrice est constituée d'une lame conductrice.According to an unclaimed example of the invention, the conductive bar consists of a conductive blade.

Cette disposition facilite la fabrication de la barrette conductrice car elle provient d'une lame plane qui est ensuite transformée. La fabrication en série de cette pièce conductrice unique permet donc de gagner en temps de production et de réduire les coûts de transformation par rapport à un système comprenant plusieurs pièces conductrices.This arrangement facilitates the manufacture of the conductive bar because it comes from a flat blade which is then transformed. The mass production of this single conductive part therefore makes it possible to save production time and reduce conversion costs compared to a system comprising several conductive parts.

Egalement, une économie de matière est réalisée car une tôle de base peut engendrer un nombre important de lames, les chutes de matière étant réduites.Also, a saving in material is achieved because a base sheet can generate a large number of blades, the material waste being reduced.

Selon un exemple non revendiqué de l'invention, la lame conductrice est comprise dans un contour rectangulaire.According to an unclaimed example of the invention, the conductive blade is included in a rectangular outline.

En effet, puisque la lame est un rectangle, il est aisé de trouver une disposition des découpes à réaliser sur la tôle de base pour minimiser les chutes et produire le plus de barrettes conductrices.Indeed, since the blade is a rectangle, it is easy to find an arrangement of the cutouts to be made on the base sheet to minimize scrap and produce the most conductive bars.

Selon un exemple non revendiqué de l'invention, la barrette conductrice comprend un enfoncement adapté pour l'emboitement à force d'une partie de fixation de la branche d'appui.According to an unclaimed example of the invention, the conductive bar comprises a recess suitable for the interlocking by force of a fixing part of the support branch.

Cette disposition permet une fixation simple et fiable du ressort à lames sur la barrette conductrice. La fabrication du système de liaison électrique en est ainsi simplifiée.This arrangement allows a simple and reliable fixing of the leaf spring on the conductive bar. The manufacture of the electrical connection system is thus simplified.

Selon un exemple non revendiqué de l'invention, l'enfoncement est réalisé par une découpe de la lame conductrice. L'enfoncement est ainsi réalisé lors de la découpe de la lame conductrice, ce qui limite le temps de fabrication.According to an unclaimed example of the invention, the depression is made by cutting the conductive blade. The depression is thus carried out during the cutting of the conductive blade, which limits the manufacturing time.

De préférence, la découpe engendre une ouverture traversante dans la barrette conductrice.Preferably, the cutout creates a through opening in the conductive bar.

Selon un aspect de l'invention, le corps isolant comprend une portion de support de la branche d'appui.According to one aspect of the invention, the insulating body comprises a support portion of the support branch.

Cette disposition permet d'assurer le blocage de la branche d'appui lors de la sollicitation de la branche de serrage.This arrangement makes it possible to ensure the locking of the support branch during the stressing of the clamping branch.

Selon un aspect de l'invention, le corps isolant comprend un plot de support agencé pour coopérer avec la barrette conductrice de manière à autoriser le déplacement d'au moins une branche de connexion par rapport à une base fixe correspondante de ladite branche attenante à ladite branche de connexion.According to one aspect of the invention, the insulating body comprises a support pad arranged to cooperate with the conductive bar so as to allow the movement of at least one connection branch relative to a corresponding fixed base of said branch adjoining said branch. connection branch.

Ce plot de support permet donc le maintien en position de la barrette conductrice à l'intérieur du bloc de jonction tout en autorisant le déplacement d'une branche ou des deux branches selon sa configuration.This support pad therefore allows the conductive bar to be held in position inside the junction block while allowing the displacement of one branch or two branches depending on its configuration.

Selon un aspect de l'invention, le plot de support est agencé pour coopérer avec une première base fixe de la première branche de connexion et une deuxième base fixe de la deuxième branche de connexion.According to one aspect of the invention, the support pad is arranged to cooperate with a first fixed base of the first connection branch and a second fixed base of the second connection branch.

Selon un exemple non revendiqué de l'invention, le corps isolant comprend une paroi de centrage agencée pour maintenir en position le dispositif de maintien en position de coopération.According to an unclaimed example of the invention, the insulating body comprises a centering wall arranged to hold in position the holding device in the cooperative position.

De toute façon l'invention sera bien comprise à l'aide de la description qui suit en référence aux dessins schématiques annexés représentant, à titre d'exemple non limitatif, une forme d'exécution de ce système de liaison électrique.

  • Figure 1 est une vue en perspective d'un bloc de jonction, d'un conducteur électrique et d'un rail de support.
  • Figure 2 est une vue de détail de la figure 1.
  • Figure 3 est une vue en perspective du bloc de jonction, du conducteur électrique et du rail de support.
  • Figure 4 est une vue de détail de la figure 3.
  • Figure 5 est une vue en perspective d'un système de liaison électrique, du conducteur électrique et du rail de support.
  • Figure 6 est une vue de face du système de liaison électrique, du conducteur électrique et du rail de support.
  • Figure 7 est une vue en perspective d'une variante de réalisation du système de liaison électrique, du conducteur électrique et du rail de support.
  • Figure 8 est une vue de face de la variante de réalisation du système de liaison électrique, du conducteur électrique et du rail de support.
  • Figure 9 est une vue de face du bloc de jonction selon la variante de réalisation.
  • Figure 10 est une vue de détail de la figure 9.
In any event, the invention will be clearly understood with the aid of the description which follows with reference to the appended schematic drawings showing, by way of non-limiting example, an embodiment of this electrical connection system.
  • Figure 1 is a perspective view of a terminal block, an electrical conductor and a support rail.
  • Figure 2 is a detail view of the figure 1 .
  • Figure 3 is a perspective view of the terminal block, electrical conductor and support rail.
  • Figure 4 is a detail view of the figure 3 .
  • Figure 5 is a perspective view of an electrical connection system, the electrical conductor and the support rail.
  • Figure 6 is a front view of the electrical connection system, the electrical conductor and the support rail.
  • Figure 7 is a perspective view of an alternative embodiment of the electrical connection system, of the electrical conductor and of the support rail.
  • Figure 8 is a front view of the variant embodiment of the electrical connection system, of the electrical conductor and of the support rail.
  • Figure 9 is a front view of the terminal block according to the variant embodiment.
  • Figure 10 is a detail view of the figure 9 .

Comme illustré aux figures 1 à 10, un appareil électrique 1 tel qu'un bloc de jonction 3 comprend un corps isolant 5 et un système de liaison électrique 7, le système de liaison électrique 7 étant ménagé dans le corps isolant 5.As shown in figures 1 to 10 , an electrical device 1 such as a terminal block 3 comprises an insulating body 5 and an electrical connection system 7, the electrical connection system 7 being provided in the insulating body 5.

Le bloc de jonction 3 comprend des prises 9 pour des conducteurs électriques. Deux prises 9 sont reliées par une barre de liaison 11 pour établir un contact électrique entre deux conducteurs correspondants.The terminal block 3 includes sockets 9 for electrical conductors. Two sockets 9 are connected by a connecting bar 11 to establish electrical contact between two corresponding conductors.

Le bloc de jonction 3 présente également une prise 9' pour un conducteur électrique 13 destiné à être connecté électriquement à un rail de support 15 sur lequel est fixé de manière amovible le bloc de jonction 3.The terminal block 3 also has a socket 9 'for an electrical conductor 13 intended to be electrically connected to a support rail 15 on which the terminal block 3 is removably fixed.

Cette connexion électrique est établie par le système de liaison électrique 9 comme détaillé ci-après. Le conducteur électrique 13 présente à une extrémité une portion conductrice 13' par exemple un embout métallique.This electrical connection is established by the electrical connection system 9 as detailed below. The electrical conductor 13 has at one end a conductive portion 13 ', for example a metal tip.

L'embout métallique est agencé pour être inséré dans un canal d'insertion 17 de la prise 9' où il est maintenu en position par le système de liaison électrique 7.The metal tip is designed to be inserted into an insertion channel 17 of the socket 9 'where it is held in position by the electrical connection system 7.

La prise 9' comprend en outre un canal de manœuvre dans lequel un utilisateur peut introduire un outil de type tournevis pour le retrait du conducteur électrique 13.The socket 9 'further comprises an operating channel in which a user can insert a tool of the screwdriver type for the removal of the electrical conductor 13.

Comme illustré aux figures 5 à 8, le système de liaison électrique 7 comprend une barrette conductrice 21 agencée pour transmettre un courant entre la portion conductrice 13' du conducteur électrique 13 et une portion 15' du rail de support 15.As shown in figures 5 to 8 , the electrical connection system 7 comprises a conductive bar 21 arranged to transmit a current between the conductive portion 13 'of the electrical conductor 13 and a portion 15' of the support rail 15.

Le rail de support 15 a ainsi une double fonction puisqu'il permet la fixation du bloc de jonction 3 et il est aussi utilisé pour être raccordé électriquement au conducteur électrique 13.The support rail 15 thus has a dual function since it allows the fixing of the junction block 3 and it is also used to be electrically connected to the electrical conductor 13.

Le système de liaison électrique 7 comprend également un dispositif de serrage 22 de type ressort à lames 23 agencé pour maintenir la portion conductrice 13' en une position de liaison avec la barrette conductrice 21 comme illustré aux figures 5 à 8.The electrical connection system 7 also comprises a clamping device 22 of the leaf spring type 23 arranged to hold the conductive portion 13 'in a connection position with the conductive bar 21 as illustrated in FIGS. figures 5 to 8 .

Selon d'autres alternatives non détaillées, tout autre type de dispositif de serrage 22 pourrait être utilisé pourvu que le dispositif de serrage 22 soit agencé pour maintenir la portion conductrice 13' en une position de liaison avec la barrette conductrice 21. Un dispositif de serrage 22 à vis pourrait par exemple être utilisé.According to other alternatives not detailed, any other type of clamping device 22 could be used provided that the clamping device 22 is arranged to hold the conductive portion 13 'in a position of connection with the conductive bar 21. A clamping device 22 screw could for example be used.

Le ressort à lames 23 comprend une branche d'appui 23' agencée pour être fixée à la barrette conductrice 21. Pour ce faire la barrette conductrice 21 présente un enfoncement 25 ou une ouverture traversante issue d'une découpe adaptée pour l'emboitement à force d'une partie de fixation 27 de la branche d'appui 23'.The leaf spring 23 comprises a support branch 23 'arranged to be fixed to the conductive bar 21. To do this, the conductive bar 21 has a recess 25 or a through opening resulting from a cutout suitable for force-fitting. of a fixing part 27 of the support branch 23 '.

Le ressort à lames 23 comprend également une branche de serrage 23" jointe part une articulation 23"' à la branche d'appui 23'. La branche de serrage 23" est agencée pour maintenir la portion conductrice 13' en position de liaison.The leaf spring 23 also comprises a clamping branch 23 "joined by an articulation 23" 'to the support branch 23'. The clamping branch 23 "is arranged to hold the conductive portion 13 'in the connection position.

En effet la branche d'appui 23' est fixe par rapport à la barrette conductrice 21 et l'articulation 23'" impose une contrainte sur la portion conductrice 13' par l'intermédiaire de la branche de serrage 23".Indeed, the support branch 23 'is fixed relative to the conductive bar 21 and the articulation 23' "imposes a constraint on the conductive portion 13 'by means of the clamping branch 23".

Le canal de manœuvre est disposé de manière à permettre le déplacement de la branche de serrage 23" pour le retrait du conducteur électrique 13.The operating channel is arranged so as to allow the movement of the clamping branch 23 "for the removal of the electrical conductor 13.

Le corps isolant 5 présente une portion de support 29 de la branche d'appui 23' ayant pour fonction de bloquer la branche d'appui 23' lors du déplacement de la branche de serrage 23".The insulating body 5 has a support portion 29 of the support branch 23 'having the function of blocking the support branch 23' during the movement of the clamping branch 23 ".

La barrette conductrice 21 présente une portion extrême pliée 31 engendrant une première partie 33' d'une zone de coopération 35 ou avancée de coopération 33 et une deuxième partie 37' de la zone de coopération 35 ou butée de coopération 37.The conductive bar 21 has a folded end portion 31 generating a first part 33 ′ of a cooperation zone 35 or cooperation projection 33 and a second part 37 ′ of the cooperation zone 35 or cooperation stop 37.

Cette première partie 33' de la barrette conductrice 21 est agencée pour coopérer avec une première partie complémentaire 39 du rail de support 15 s'étendant selon un premier plan 39'.This first part 33 ′ of the conductive bar 21 is arranged to cooperate with a first complementary part 39 of the support rail 15 extending along a first plane 39 ′.

Cette deuxième partie 37' de la barrette de conductrice 21 est agencée pour coopérer avec une deuxième partie complémentaire 41 du rail de support 15 s'étendant selon un deuxième plan 41' transversal au premier plan 39'.This second part 37 'of the conductor bar 21 is arranged to cooperate with a second complementary part 41 of the support rail 15 extending along a second plane 41' transverse to the first plane 39 '.

La barrette conductrice 21 présente également une surface de contact longitudinale 43 sur lequel sont ménagés un emplacement de contact électrique 45 avec la portion conductrice 13' en position de liaison, l'avancée de coopération 33 et la butée de coopération 37.The conductive bar 21 also has a longitudinal contact surface 43 on which are provided an electrical contact location 45 with the conductive portion 13 'in the connection position, the cooperation projection 33 and the cooperation stop 37.

L'emplacement de contact électrique 45 s'étend de manière rectiligne selon un profil engendrant une ou plusieurs rainures pour un meilleur maintien de la portion conductrice 13' en position de liaison.The electrical contact location 45 extends in a rectilinear manner along a profile generating one or more grooves for better retention of the conductive portion 13 'in the connection position.

La barrette conductrice 21 présente en outre une ouverture de passage 47 pour l'insertion de la portion conductrice 13' en position de liaison. Cette ouverture de passage 47 résulte par exemple d'une découpe effectuée avant pliage de la barrette conductrice 21.The conductive bar 21 also has a passage opening 47 for the insertion of the conductive portion 13 'in the connection position. This passage opening 47 results for example from a cut made before folding the conductive bar 21.

Le système de liaison électrique 7 comprend également un dispositif de maintien 49 agencé pour maintenir le rail de support 15 en une position de coopération avec la barrette conductrice 21.The electrical connection system 7 also comprises a holding device 49 arranged to hold the support rail 15 in a position of cooperation with the conductive bar 21.

La coopération se fait par contact, ce qui permet une transmission du courant entre la barrette conductrice 21 et le rail de support 15.The cooperation takes place by contact, which allows current transmission between the conductive bar 21 and the support rail 15.

La barrette conductrice 21 comprend une première partie 51 et une deuxième partie 53 au moins partiellement en regard de la première partie 51.The conductive bar 21 comprises a first part 51 and a second part 53 at least partially facing the first part 51.

La première partie 51 comprend la surface de contact longitudinale 43 et la deuxième partie 53 coopère avec le dispositif de maintien 49. Le fait de disposer de ces deux parties 51, 53 permet de réaliser un système de liaison électrique 7 compact et/ou de s'adapter à des contraintes géométriques imposées au bloc de jonction 3.The first part 51 comprises the longitudinal contact surface 43 and the second part 53 cooperates with the holding device 49. Having these two parts 51, 53 makes it possible to produce a compact electrical connection system 7 and / or s '' adapt to geometric constraints imposed on the terminal block 3.

La barrette conductrice 21 peut ainsi être obtenue par une découpe dans une tôle de base puis par pliage.The conductive bar 21 can thus be obtained by cutting in a base sheet and then by bending.

Comme illustré aux figures 1 à 6, la barrette conductrice peut présenter une forme générale en U. La première partie 51 la deuxième partie 53 sont chacune ménagée dans une branche différente du U.As shown in figures 1 to 6 , the conductive bar may have a general U-shape. The first part 51 the second part 53 are each formed in a different branch of the U.

La forme générale en U de la barrette conductrice 21 est obtenue à partir d'une lame conductrice découpée dans une tôle de base. La lame est comprise dans un contour rectangulaire ce qui permet une économie de matière en limitant les chutes lors de la découpe. Lors de la découpe les ouvertures traversantes sont aussi créées.The general U-shape of the conductive bar 21 is obtained from a conductive blade cut from a base sheet. The blade is included in a rectangular outline which saves material by limiting scraps during cutting. When cutting, through openings are also created.

Alternativement, il est possible comme illustré aux figures 7 à 10 de prévoir une barrette conductrice 21 avant pliage comprenant plusieurs portions transversales reliées les unes aux autres pour engendrer une liaison latérale 55 après pliage.Alternatively, it is possible as shown in figures 7 to 10 to provide a conductive bar 21 before folding comprising several transverse portions connected to each other to generate a lateral connection 55 after folding.

Cette disposition permet de maintenir une section importante pour une bonne transmission du courant une fois la barrette conductrice 21 pliée. La barrette conductrice 21 une fois pliée présente également une bonne solidité et ne risque pas d'être déformée lors du montage dans le bloc de jonction 3.This arrangement makes it possible to maintain a large section for good current transmission once the conductive strip 21 is folded. The conductive bar 21 once folded also has good strength and does not risk being deformed during assembly in the junction block 3.

Comme illustré aux figures 1 à 10, le dispositif de maintien 7 comprend un ressort de serrage 61 en C comprenant une première extrémité 61a et une deuxième extrémité 61b en regard de la première extrémité 61a.As shown in figures 1 to 10 , the retaining device 7 comprises a C-shaped clamping spring 61 comprising a first end 61a and a second end 61b opposite the first end 61a.

Le ressort de serrage 61 fournit donc une force de serrage entre ses deux extrémités 61a, 61b. Il est agencé pour maintenir la coopération entre la portion 15' du rail de support 15 et la barrette conductrice 21 en position de coopération.The clamping spring 61 therefore provides a clamping force between its two ends 61a, 61b. It is designed to maintain the cooperation between the portion 15 'of the support rail 15 and the conductive bar 21 in the cooperation position.

La barrette conductrice 21 comprend une première branche de connexion 63a et une deuxième branche de connexion 63b respectivement mobiles par rapport à une première base fixe 65a attenante et une deuxième base fixe 65b attenante de la barrette conductrice 21.The conductive bar 21 comprises a first connection branch 63a and a second connection branch 63b respectively movable relative to an adjoining first fixed base 65a and a second fixed base 65b adjoining the conductive bar 21.

Un plot de support 67 assure le déplacement des branches de connexion 63a, 63b en maintenant les bases fixes 65a, 65b en position. Ainsi les branches de connexion 63a, 63b fonctionnent comme une mâchoire enserrant la portion 15' du rail de support 15 en position de coopération.A support pad 67 ensures the movement of the connection branches 63a, 63b while maintaining the fixed bases 65a, 65b in position. Thus the connection branches 63a, 63b function as a jaw enclosing the portion 15 'of the support rail 15 in the cooperative position.

La première branche de connexion 63a présente une première ouverture traversante 69a et la deuxième branche de connexion 63b une deuxième ouverture traversante 69b.The first connection branch 63a has a first through opening 69a and the second connection branch 63b has a second through opening 69b.

La première ouverture traversante 69a et la deuxième ouverture traversante 69b sont en regard l'une de l'autre et symétriques par rapport à un plan central 71.The first through opening 69a and the second through opening 69b are facing each other and symmetrical with respect to a central plane 71.

Chaque ouverture traversante 69a, 69b engendre deux canaux de passage 73 de courant, ce qui permet une bonne transmission de courant dans la barrette conductrice bien que de la matière ait été enlevée pour ménager ladite ouverture.Each through opening 69a, 69b generates two current passage channels 73, which allows good current transmission in the conductive bar although material has been removed to provide said opening.

Chaque branche de connexion 63a, 63b présente également une cavité 75a, 75b sous forme d'un sillon s'étendant aligné avec l'avancée de coopération 33 correspondante selon une direction transversale au plan central 71.Each connection branch 63a, 63b also has a cavity 75a, 75b in the form of a groove extending aligned with the corresponding cooperation projection 33 in a direction transverse to the central plane 71.

Un emplacement de serrage 77a, 77b est ménagé dans ladite cavité 75a, 75b de chaque branche de connexion 63a, 63b.A clamping location 77a, 77b is provided in said cavity 75a, 75b of each connection branch 63a, 63b.

Un premier emplacement de serrage 77a est agencé pour recevoir la première extrémité 61a du ressort de serrage 61 et un deuxième emplacement de serrage 77b la deuxième extrémité 61b.A first clamping location 77a is arranged to receive the first end 61a of the clamping spring 61 and a second clamping location 77b the second end 61b.

Chaque branche de connexion 63a, 63b comprend une avancée de coopération 33.Each connection branch 63a, 63b includes a cooperative projection 33.

Puisque les emplacements de serrage 77a, 77b et les avancées de coopération 33 sont alignés transversalement au plan central 71, le serrage et le contact électrique sont de bonne qualité.Since the clamping locations 77a, 77b and the cooperative projections 33 are aligned transversely to the central plane 71, the clamping and the electrical contact are of good quality.

Pour un bon positionnement du ressort de serrage 61 lors de l'introduction de la portion 15' du rail de serrage 15 en position de coopération, le corps isolant 5 présente une paroi de centrage 79.For correct positioning of the clamping spring 61 during the introduction of the portion 15 'of the clamping rail 15 in the cooperative position, the insulating body 5 has a centering wall 79.

Lors du montage du dispositif de maintien 49, il est aisé d'introduire le ressort de serrage 61 par les ouvertures traversantes 69a, 69b puis passer latéralement les extrémités 61a, 61b du ressort de serrage 61 dans les cavités 75a, 75b.When mounting the retaining device 49, it is easy to introduce the clamping spring 61 through the through openings 69a, 69b then laterally pass the ends 61a, 61b of the clamping spring 61 into the cavities 75a, 75b.

Le serrage obtenu est également optimum car le ressort de serrage 61 est centré latéralement par rapport à la direction d'extension de la barrette conductrice.The tightening obtained is also optimum because the tightening spring 61 is centered laterally with respect to the direction of extension of the conductive bar.

Le système de liaison électrique 7 décrit est donc de constitution simple, de montage aisé et permettant une bonne transmission de courant.The electrical connection system 7 described is therefore of simple constitution, easy to assemble and allowing good current transmission.

Comme il va de soi, l'invention ne se limite pas à la seule forme d'exécution de ce système de liaison électrique, décrit ci-dessus à titre d'exemple, elle en embrasse au contraire toutes les variantes de réalisation telles que définis dans les revendications.As goes without saying, the invention is not limited to the sole embodiment of this electrical connection system, described above by way of example, it embraces on the contrary all the variant embodiments thereof as defined. in the claims.

Claims (12)

  1. A terminal block (3) comprising an electrical connection system (7) and an insulating body (5) in which the electrical connection system (7) is provided, the electrical connection system (7) comprising:
    - a conductive strip (21) comprising two connecting branches (63a, 63b) arranged so as to cooperate with a conductive portion (13') of an electrical conductor (13) in a connection position, each connecting branch (63a, 63b) having a cooperation extension (33) arranged so as to cooperate with a portion (15') of a support rail (15) in a cooperation position, a connecting branch (63a) further has a cooperation stop (37) extending transversely to the cooperation extension (33), the conductive strip (21) also having a longitudinal contact surface (43) on which an electrical contact location (45) with the conductive portion (13') in the connection position are provided, the corresponding cooperation extension (33) and the cooperation stop (37),
    - a clamping device (22) arranged so as to hold the conductive portion (13') in the connection position, such as a leaf spring (23) comprising a bearing branch (23') arranged so as to be mounted to the conductive strip (21) and a clamping branch (23") arranged so as to hold the conductive portion (13') in the connection position,
    - a holding device (49) arranged so as to hold the portion (15') of the support rail (15) in contact between the two connecting branches (63a, 63b) in the cooperation position,
    characterized in that
    each connecting branch (63a, 63b) has a through opening (69a, 69b) configured for the passage of a portion of the holding device (49) in the cooperation position so as to create two passage channels (73) for the current bypassing the through opening (69a, 69b).
  2. The terminal block (3) according to claim 1, wherein said one through opening (69a, 69b) corresponds to a reduction between 10% and 50% of a nominal section over a defined length of said at least one corresponding connecting branch (63a, 63b).
  3. The terminal block (3) according to any of claims 1 or 2, wherein each connecting branch (63a, 63b) has a through opening (69a, 69b) configured for the passage of a portion of the holding device (49) in a cooperation position.
  4. The terminal block (3) according to claim 3, wherein a first connecting branch (63a) comprises a first through opening (69a) and a second connecting branch (63b) comprises a second through opening (69b), the first through opening (69a) facing the second through opening (69b).
  5. The terminal block (3) according to any of claims 1 to 4, wherein the cooperation extensions (33) of the connecting branches (63a, 63b) extend according to the same axis in the cooperation position.
  6. The terminal block (3) according to any of claims 1 to 5, wherein the holding device (49) comprises a clamping spring (61) provided with two ends (61a, 61b) opposite one another, each end (61a, 61b) being arranged so as to cooperate with a clamping location (77a, 77b) of a corresponding connecting branch (63a, 63b).
  7. The terminal block (3) according to claim 6, wherein at least one clamping location (77a, 77b) is provided in a cavity (75a, 75b) of the corresponding connecting branch (63a, 63b), said location (77a, 77b) being arranged so as to receive a corresponding end (61a, 61b) of the clamping spring (61).
  8. The terminal block (3) according to any of claims 6 or 7, wherein the clamping spring (61) has a C-shape.
  9. The terminal block (3) according to any of claims 1 to 8, wherein the conductive strip (21) has a passage opening (47) for the insertion of the conductive portion (13') in the connection position.
  10. The terminal block (3) according to any of claims 1 to 9, wherein the conductive strip (21) comprises a first portion (51) and a second portion (53), the first portion (51) facing the second portion (53).
  11. The terminal block (3) according to claim 10, wherein the conductive strip (21) has a U-like general shape.
  12. The terminal block (3) according to claim 1, wherein the insulating body (5) comprises a support pad (67) arranged so as to cooperate with the conductive strip (21) so as to enable the movement of at least one connecting branch (63a, 63b) relative to a corresponding fixed base (65a, 65b) of said branch adjoining said connecting branch (63a, 63b).
EP16774511.6A 2016-09-29 2016-09-29 Terminal block comprising an electrical connection system with two connecting branches Active EP3520176B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2016/073298 WO2018059695A1 (en) 2016-09-29 2016-09-29 Electrical connection system with two connecting branches

Publications (2)

Publication Number Publication Date
EP3520176A1 EP3520176A1 (en) 2019-08-07
EP3520176B1 true EP3520176B1 (en) 2021-08-04

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP16774511.6A Active EP3520176B1 (en) 2016-09-29 2016-09-29 Terminal block comprising an electrical connection system with two connecting branches

Country Status (4)

Country Link
US (1) US10931042B2 (en)
EP (1) EP3520176B1 (en)
CN (1) CN109891675A (en)
WO (1) WO2018059695A1 (en)

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EP3520175A1 (en) 2016-09-29 2019-08-07 Tyco Electronics Services GmbH Electrical connection system comprising a conductive strip
EP3520177B1 (en) 2016-09-29 2020-11-11 TE Connectivity Services GmbH Electrical connection system comprising an additional leaf spring
EP3896715B1 (en) * 2020-04-14 2024-04-24 Tyco Electronics France SAS Fuse holding element configured to releasably cooperate with a conducting bar

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Also Published As

Publication number Publication date
US10931042B2 (en) 2021-02-23
US20190305448A1 (en) 2019-10-03
EP3520176A1 (en) 2019-08-07
CN109891675A (en) 2019-06-14
WO2018059695A1 (en) 2018-04-05

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