EP0290300B1 - Rapid connecting device for printed circuits for modular boxes - Google Patents

Rapid connecting device for printed circuits for modular boxes Download PDF

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Publication number
EP0290300B1
EP0290300B1 EP88400768A EP88400768A EP0290300B1 EP 0290300 B1 EP0290300 B1 EP 0290300B1 EP 88400768 A EP88400768 A EP 88400768A EP 88400768 A EP88400768 A EP 88400768A EP 0290300 B1 EP0290300 B1 EP 0290300B1
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EP
European Patent Office
Prior art keywords
printed circuit
contact
blade
contact surface
circuit board
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.)
Expired - Lifetime
Application number
EP88400768A
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German (de)
French (fr)
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EP0290300A1 (en
Inventor
Lucien Dinckel
Dominique Beck
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.)
Hager Electro SAS
Original Assignee
Hager Electro SAS
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Filing date
Publication date
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Priority to AT88400768T priority Critical patent/ATE78635T1/en
Publication of EP0290300A1 publication Critical patent/EP0290300A1/en
Application granted granted Critical
Publication of EP0290300B1 publication Critical patent/EP0290300B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/50—Fixed connections
    • H01R12/51—Fixed connections for rigid printed circuits or like structures
    • H01R12/515—Terminal blocks providing connections to wires or cables
    • 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

Definitions

  • the present invention relates to quick connection devices for printed circuits for modular housings, for example housings for modular electrical devices.
  • connection to the distribution or control conductors is carried out by means of cage terminals accessible by openings suitably arranged in the housing, the clamping of the conductor in the cage terminal generally carried out by means of a screw, screwed into the cage.
  • a short terminal extension is soldered against a conductive pad of the printed circuit board, either directly or via a conductor, which requires the execution of delicate solderings in square.
  • the present invention therefore proposes to provide a quick connection device for a printed circuit for modular boxes which allows simple, fast and reliable connection of conductors to a printed circuit located in the modular box.
  • Another object of the invention is to provide such a quick connection device which allows connection under conditions which do not in any way modify the habits relating to the connection of conductors to modular boxes.
  • connection device which does not require any transformation of the design or the production of modular housings for existing devices.
  • Yet another objective is to produce such a device which is simple to manufacture and to assemble and particularly inexpensive.
  • the subject of the invention is a device for rapid connection of printed circuits for modular housings, characterized in that the housing comprises, in usual housings, common cage connection terminals, and, for at least one of said terminals, a member of electrical connection constituted by a contact blade, one end of which penetrates into the terminal cage and the other end of which, after a path obtained by folding and / or cutting the blade properly, forms a contact, preferably elastic, s' applying against a suitable contact surface of the printed circuit.
  • the blade end serving for contact with the printed circuit has a folded shape defining an elastic branch applying against the connection element or suitable surface of the printed circuit.
  • the connection surface of the printed circuit can be formed in any way, for example in the form of a conductive pad, in the form of a pad or in any other form.
  • the printed circuit is simply applied against the contact part, preferably elastic, of the end in question of the contact blade by the action of the housing cover when it is set up, simultaneously ensuring the holding in position of the printed circuit.
  • the blade end penetrating into the terminal can penetrate therefrom from the inside but can also, as a variant, pass into the housing under the terminal cage, then be folded, outside, around the cage to present a terminal part which penetrates there. In all the In this case, the clamping of the conductor which enters the terminal cage simultaneously ensures clamping and contact with the contact blade connected to the printed circuit.
  • the blade can be simply inserted into the housing, with its ends in place, without any means ensuring the positive connection of the blade to the housing, the blade being simply held by the engagement of one of its ends in the terminal, on the one hand, by the presence of the printed circuit against its other end, on the other hand, and possibly by a suitable shape matching the walls in relation to the housing whose closure ensures the definitive maintenance of the blade.
  • the contact end with the printed circuit instead of being elastic, may, for example, include cutouts, for example sawtooth, which will be crushed under the effect of pressure during assembly of the housing that maintains the printed circuit board.
  • the device thus produced has a very small footprint and allows a gain of active area on the printed circuit.
  • connection devices can be carried out in an extremely simple manner, for example by placing the modular box on a template, then placing at the bottom of the box a cage terminal holder assembly on which the terminals are preassembled with the blades in place, then presentation of the printed circuit which will self-center and ensure by pressure the physical contacts with the suitable ends of the blades, the final fixing being ensured by closing the housing.
  • FIG. 1 there is shown a modular housing shown schematically, the upper cover being removed.
  • This housing 1 has, in the usual way, a base 2 for hooking on a rail with the fixed hook part 3 and the movable hook 4 resiliently pushed back.
  • At the two ends of the base are arranged two terminal housings in which are arranged the metal cages 5 of terminals, these cages being accessible by lateral openings 6 for the introduction of electric cables, busbar connectors, etc. screwing takes place through the upper openings 7 of the housings.
  • a printed circuit board 8 is put in place which simply rests against the bottom of the case.
  • ribs of this cover are applied against the printed circuit 8 to keep it pressed in the bottom as shown.
  • FIGS. 2 to 4 we see a neighboring modular housing but of the type having, at each end of the base 2, two staggered stages, the lower stage having a pair of terminals and the upper stage a single terminal, and of which we see the cages 5 with their screws 9 taking the part 10 in a stirrup, usual in the cages of terminals.
  • the printed circuit board 8 is arranged against the bottom of the housing and it carries, at locations close to the relevant terminals, usual tinned copper bridges 11 forced into the printed circuit board 8 and electrically connected to the circuit of the card. These copper elements 11 constitute the pads by which the card must be electrically connected to the external electrical conductors.
  • the printed circuit board 8 is disposed parallel to one of the lateral faces of the housing 1, at a short distance from this face, and it can be seen that the various jumper-shaped studs 11 are arranged at the notches 12 formed. in the periphery of the printed circuit board in the vicinity of the terminals, the base of each stud 11, which extends parallel to the card, spanning its notch 12 so as to be accessible for contact. Instead of peripheral notches, the card could also have perforations.
  • Each of the terminals shown in the drawing has its own contact blade.
  • the contact blades are referenced 13, 14, 15. They are made of a conductive material, for example brass.
  • the blade 13 has a first flat end 13a which enters the housing of the relevant terminal 5 and passes through the cage of this terminal in the vicinity of the bottom of the cage.
  • the end 13a may advantageously have a T-shape, the branches of which, which prevent withdrawal from the cage 5 towards the inside of the housing, can penetrate recesses in the housing such as, for example, a groove 16, so to ensure positioning at the bottom of the cage while preferably allowing a certain amount of travel.
  • the blade 13 descends towards the base of the housing against which it travels until it approaches the stud 11 with which it must cooperate.
  • the end portion 13c forms an elastic strip penetrating into the notch 12 of the printed circuit board and being applied elastically, and in a direction perpendicular to the base of the pad 11 and substantially parallel to the plane of the card, against this base of the pad 11 which is accessible in the notch, thus ensuring electrical contact with the printed circuit board.
  • the contact blade 14 has a first end 14a, identical to that of the blade 13 and penetrating into the housing where it passes through the cage, the terminal part being widened in the manner of a T so as to be housed in the recesses 16, which prohibits extraction of the blade from the cage 5.
  • the contact blade 14 continues this time in a plane parallel to the axis of the terminal housing and extends up to come to form an end part at a right angle 14b, the end branch 14c of which is applied against the corresponding stud 11.
  • the contact blade 15 has a similar shape with one end 15a having exactly the same shape as the ends 13a and 14a of the other blades. At the outlet of the housing, the blade 15 extends upwards for a short distance before forming an end 15b offset to the side and the end branch 15c of which is applied elastically with the necessary contact force against the stud 11 relevant.
  • the shapes of the blades can be different depending on the paths extending between the cage of the relevant terminal and the relevant card pad.
  • the cages 5 of the terminals do not continue inward by conductors other than the contact blades 13, 14 or 15.
  • the connections to the electronic card will be made according to the invention, while those ensuring a link to a mechanism are made differently.
  • FIG. 5 we see an alternative embodiment in which the housing 1, which we see, in section, the bottom, is closed by a cover 1a provided with several ribs or reliefs 1b intended to hold the circuit board printed 8.
  • a contact blade 17 whose end (not shown) enters a terminal cage and has a shape which is preferably identical to that of the ends 13a, 14a and 15a.
  • the second end 17b is applied against the inner face of the housing 1 and has a spaced-apart portion 17c for the actual contact, the end of this portion 17c continuing with a short branch 17d which is again in contact with the housing 1
  • the cover 1a is closed, the ribs or reliefs 16 push the printed circuit board 8 perpendicularly to its plane and the studs 11 deform the conductive ends 17c of the blades 17.
  • the stud 11 can then advantageously be replaced by a conductive portion, or track, of the copper surface of the printed circuit.
  • Such a printed circuit board 8 does not need a notch.

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  • Coupling Device And Connection With Printed Circuit (AREA)

Abstract

The device comprises contact strips (13, 14, 15), one end of which penetrates into the terminal housing (5) and another end of which, following a path obtained by folding and/or cutting out, forms an elastic contact which bears against a contact pad (11) of the printed circuit board (8). <IMAGE>

Description

La présente invention a trait à des dispositifs de connexion rapide de circuits imprimés pour des boîtiers modulaires, par exemple des boîtiers d'appareils électriques modulaires.The present invention relates to quick connection devices for printed circuits for modular housings, for example housings for modular electrical devices.

Les appareils électriques tels que ceux qui sont utilisés dans le domaine de l'équipement électrique de l'habitat, par exemple les sectionneurs, coupe-circuit, disjoncteurs, relais, télérupteurs, minuteries, délesteurs, etc..., possèdent maintenant des boîtiers modulaires, c'est-à-dire dont les formes et les dimensions sont, en partant d'un module, conçues pour une standardisation des montages et raccordements aux circuits électriques et notamment aux barres collectrices.Electrical devices such as those used in the field of household electrical equipment, for example disconnectors, circuit breakers, circuit breakers, relays, remote control switches, timers, load shedding devices, etc., now have housings modular, that is to say whose shapes and dimensions are, starting from a module, designed for standardization of assemblies and connections to electrical circuits and in particular to busbars.

Le raccordement aux conducteurs de distribution ou de commande, qu'il s'agisse de câbles électriques souples isolés ou de barres collectrices, s'effectue grâce à des bornes à cage accessibles par des ouvertures convenablement disposées dans le boîtier, le serrage du conducteur dans la borne à cage s'effectuant généralement au moyen d'une vis, vissée dans la cage. Ces appareils électriques tendent maintenant à assumer des fonctions complexes grâce à des moyens électroniques qu'il est judicieux de réaliser sous forme de circuit imprimé incorporé dans le boîtier modulaire.The connection to the distribution or control conductors, whether they are insulated flexible electric cables or busbars, is carried out by means of cage terminals accessible by openings suitably arranged in the housing, the clamping of the conductor in the cage terminal generally carried out by means of a screw, screwed into the cage. These electrical devices now tend to assume complex functions thanks to electronic means which it is advisable to produce in the form of a printed circuit incorporated in the modular housing.

En outre, des fonctions particulières peuvent être prévues grâce à des circuits imprimés convenablement disposés dans des boîtiers modulaires propres dont la forme et les dimensions seraient conçues sur ceux des appareils énumérés précédemment.In addition, particular functions can be provided by means of printed circuits suitably arranged in clean modular housings whose shape and dimensions are designed on those of the devices listed above.

Généralement, dans les appareils de ce type, un court prolongement de borne est soudé contre une plage conductrice de la carte de circuit imprimé, soit directement, soit par l'intermédiaire d'un conducteur, ce qui nécessite l'exécution de soudures délicates en place.Generally, in devices of this type, a short terminal extension is soldered against a conductive pad of the printed circuit board, either directly or via a conductor, which requires the execution of delicate solderings in square.

Les connecteurs usuels à rangées de contacts destinés à s'appliquer élastiquement contre les plages conductrices successives d'une carte de circuit imprimé ne peuvent pas non plus être utilisés en raison de la géométrie particulière des cartes utilisées dans les appareils de type modulaire ainsi que de la disposition, également particulière, des bornes à cage de ces appareils.The usual connectors with rows of contacts intended to be applied elastically against the successive conductive pads of a printed circuit board cannot be used either because of the particular geometry of the boards used in modular type devices as well as the arrangement, also particular, of the cage terminals of these devices.

L'utilisation des lames de contact ayant une fonction de liaison électrique et mécanique est déjà divulguée par le document US-A-4 082 407.The use of contact blades having an electrical and mechanical connection function is already disclosed by document US-A-4,082,407.

La présente invention se propose donc de fournir un dispositif de connexion rapide de circuit imprimé pour boîtiers modulaires qui permette de connecter, de façon simple, rapide et fiable, des conducteurs à un circuit imprimé situé dans le boîtier modulaire.The present invention therefore proposes to provide a quick connection device for a printed circuit for modular boxes which allows simple, fast and reliable connection of conductors to a printed circuit located in the modular box.

Un autre objectif de l'invention est de fournir un tel dispositif de connexion rapide qui permette une connexion dans des conditions ne modifiant aucunement les habitudes relatives à la connexion de conducteurs à des boîtiers modulaires.Another object of the invention is to provide such a quick connection device which allows connection under conditions which do not in any way modify the habits relating to the connection of conductors to modular boxes.

Un autre objectif encore est de réaliser un tel dispositif de connexion qui ne nécessite pas de transformation de la conception ou de la réalisation des boîtiers modulaires d'appareils existants.Yet another objective is to produce such a connection device which does not require any transformation of the design or the production of modular housings for existing devices.

Un autre objectif encore est de réaliser un tel dispositif qui soit simple à fabriquer et à monter et particulièrement peu coûteux.Yet another objective is to produce such a device which is simple to manufacture and to assemble and particularly inexpensive.

L'invention a pour objet un dispositif de connexion rapide de circuits imprimés pour boîtiers modulaires, caractérisé en ce que le boîtier comporte, dans des logements usuels, des bornes de connexion à cage usuelles, et, pour au moins une desdites bornes, un organe de liaison électrique constitué par une lame de contact dont une extrémité pénètre dans la cage de borne et dont l'autre extrémité, après un trajet obtenu par pliage et/ou découpage convenable de la lame, forme un contact, de préférence élastique, s'appliquant contre une surface de contact convenable du circuit imprimé.The subject of the invention is a device for rapid connection of printed circuits for modular housings, characterized in that the housing comprises, in usual housings, common cage connection terminals, and, for at least one of said terminals, a member of electrical connection constituted by a contact blade, one end of which penetrates into the terminal cage and the other end of which, after a path obtained by folding and / or cutting the blade properly, forms a contact, preferably elastic, s' applying against a suitable contact surface of the printed circuit.

Dans une forme de réalisation préférée, l'extrémité de lame servant au contact avec le circuit imprimé présente une forme pliée déterminant une branche élastique s'appliquant contre l'élément de connexion ou surface convenable du circuit imprimé. La surface de connexion du circuit imprimé peut être constituée de façon quelconque, par exemple sous forme d'une plage conductrice, sous forme d'un plot ou sous toute autre forme.In a preferred embodiment, the blade end serving for contact with the printed circuit has a folded shape defining an elastic branch applying against the connection element or suitable surface of the printed circuit. The connection surface of the printed circuit can be formed in any way, for example in the form of a conductive pad, in the form of a pad or in any other form.

Dans une forme de réalisation particulièrement avantageuse de l'invention, le circuit imprimé est simplement appliqué contre la partie de contact, de préférence élastique, de l'extrémité en question de la lame de contact par l'action du couvercle de boîtier lorsqu'il est mis en place, assurant simultanément le maintien en position du circuit imprimé.In a particularly advantageous embodiment of the invention, the printed circuit is simply applied against the contact part, preferably elastic, of the end in question of the contact blade by the action of the housing cover when it is set up, simultaneously ensuring the holding in position of the printed circuit.

L'extrémité de lame pénétrant dans la borne peut y pénétrer depuis l'intérieur mais peut également, en variante, passer dans le logement sous la cage de la borne, puis être repliée, à l'extérieur, autour de la cage pour présenter une partie terminale qui y pénètre. Dans tous les cas, le serrage du conducteur qui pénètre dans la cage de la borne assure simultanément le serrage et le contact avec la lame de contact reliée au circuit imprimé.The blade end penetrating into the terminal can penetrate therefrom from the inside but can also, as a variant, pass into the housing under the terminal cage, then be folded, outside, around the cage to present a terminal part which penetrates there. In all the In this case, the clamping of the conductor which enters the terminal cage simultaneously ensures clamping and contact with the contact blade connected to the printed circuit.

De façon avantageuse, la lame peut être simplement insérée dans le boîtier, avec ses extrémités en place, sans aucun moyen assurant la liaison positive de la lame au boîtier, la lame étant simplement maintenue par l'engagement de l'une de ses extrémités dans la borne, d'une part, par la présence du circuit imprimé contre son autre extrémité, d'autre part, et éventuellement par une forme adaptée épousant les parois en rapport du boîtier dont la fermeture assure le maintien définitif de la lame.Advantageously, the blade can be simply inserted into the housing, with its ends in place, without any means ensuring the positive connection of the blade to the housing, the blade being simply held by the engagement of one of its ends in the terminal, on the one hand, by the presence of the printed circuit against its other end, on the other hand, and possibly by a suitable shape matching the walls in relation to the housing whose closure ensures the definitive maintenance of the blade.

Le cas échéant, un positionnement peut également résulter de découpes pratiquées dans le circuit imprimé, découpes traversées par la lame avant qu'elle ne soit repliée pour former l'extrémité de contact avec le circuit imprimé.If necessary, positioning can also result from cuts made in the printed circuit, cuts through which the blade passes before it is folded back to form the contact end with the printed circuit.

L'extrémité de contact avec le circuit imprimé, au lieu d'être élastique, peut, par exemple, comprendre des découpes, par exemple en dents de scie, qui s'écraseront sous l'effet de la pression lors de l'assemblage du boîtier qui assure le maintien de la carte de circuit imprimé.The contact end with the printed circuit, instead of being elastic, may, for example, include cutouts, for example sawtooth, which will be crushed under the effect of pressure during assembly of the housing that maintains the printed circuit board.

Le dispositif ainsi réalisé présente un très faible encombrement et permet un gain de surface active sur le circuit imprimé.The device thus produced has a very small footprint and allows a gain of active area on the printed circuit.

Le montage des dispositifs de connexion peut être réalisé de façon extrêmement simple, par exemple par mise en place du boîtier modulaire sur un gabarit, puis mise en place au fond du boîtier d'un ensemble porte-bornes à cage sur lequel les bornes sont prémontées avec les lames en place, puis présentation du circuit imprimé qui va s'autocentrer et assurer par pression les contacts physiques avec les extrémités convenables des lames, la fixation définitive étant assurée par la fermeture du boîtier.The mounting of the connection devices can be carried out in an extremely simple manner, for example by placing the modular box on a template, then placing at the bottom of the box a cage terminal holder assembly on which the terminals are preassembled with the blades in place, then presentation of the printed circuit which will self-center and ensure by pressure the physical contacts with the suitable ends of the blades, the final fixing being ensured by closing the housing.

D'autres avantages et caractéristiques de l'invention apparaîtront à la lecture de la description suivante, faite à titre d'exemple non limitatif, et se référant au dessin annexé dans lequel :

  • la figure 1 représente, de façon schématique, un boîtier modulaire avec une carte à circuit imprimé,
  • les figures 2, 3 et 4 représentent diverses vues en coupe d'une partie d'un tel boîtier modulaire muni de bornes en étages avec leurs lames respectives raccordées au circuit imprimé,
  • la figure 5 représente une vue schématique d'une extrémité de la lame selon une variante de l'invention.
Other advantages and characteristics of the invention will appear on reading the following description, given by way of nonlimiting example, and referring to the appended drawing in which:
  • FIG. 1 schematically represents a modular box with a printed circuit board,
  • FIGS. 2, 3 and 4 show various views in section of part of such a modular box provided with terminals in stages with their respective blades connected to the printed circuit,
  • Figure 5 shows a schematic view of one end of the blade according to a variant of the invention.

En se référant à la figure 1, on voit un boîtier modulaire représenté de façon schématique, le couvercle supérieur étant ôté. Ce boîtier 1 présente, de façon usuelle, une base 2 pour l'accrochage sur un rail avec la partie en crochet fixe 3 et le crochet mobile 4 repoussé élastiquement. Aux deux extrémités de la base sont disposés deux logements de bornes dans lequels sont disposées les cages métalliques 5 de bornes, ces cages étant accessibles par des ouvertures latérales 6 pour l'introduction des câbles électriques, raccords de barres collectrices, etc... Le vissage s'effectue par les ouvertures supérieures 7 des logements.Referring to Figure 1, there is shown a modular housing shown schematically, the upper cover being removed. This housing 1 has, in the usual way, a base 2 for hooking on a rail with the fixed hook part 3 and the movable hook 4 resiliently pushed back. At the two ends of the base are arranged two terminal housings in which are arranged the metal cages 5 of terminals, these cages being accessible by lateral openings 6 for the introduction of electric cables, busbar connectors, etc. screwing takes place through the upper openings 7 of the housings.

Dans le boîtier 1, on vient mettre en place une carte de circuit imprimé 8 qui repose simplement contre le fond du boîtier. Lorsque l'on assemble le couvercle (non représenté), des nervures de ce couvercle viennent s'appliquer contre le circuit imprimé 8 pour maintenir celui-ci plaqué dans le fond comme représenté.In the case 1, a printed circuit board 8 is put in place which simply rests against the bottom of the case. When the cover is assembled (not shown), ribs of this cover are applied against the printed circuit 8 to keep it pressed in the bottom as shown.

En se référant aux figure 2 à 4, on voit un boîtier modulaire voisin mais du type présentant, à chaque extrémité de la base 2, deux étages décalés, l'étage inférieur possédant une paire de bornes et l'étage supérieur une seule borne, et dont on voit les cages 5 avec leurs vis 9 emmenant la pièce 10 en étrier, usuelle dans les cages de bornes.Referring to FIGS. 2 to 4, we see a neighboring modular housing but of the type having, at each end of the base 2, two staggered stages, the lower stage having a pair of terminals and the upper stage a single terminal, and of which we see the cages 5 with their screws 9 taking the part 10 in a stirrup, usual in the cages of terminals.

La carte de circuit imprimé 8 est disposée contre le fond du boîtier et elle porte, en des emplacements proches des bornes pertinentes, des ponts en cuivre étamé usuels 11 forcés dans la carte de circuit imprimé 8 et électriquement reliés au circuit de la carte. Ces éléments de cuivre 11 constituent les plots par lesquels la carte doit être reliée électriquement aux conducteurs électriques extérieurs.The printed circuit board 8 is arranged against the bottom of the housing and it carries, at locations close to the relevant terminals, usual tinned copper bridges 11 forced into the printed circuit board 8 and electrically connected to the circuit of the card. These copper elements 11 constitute the pads by which the card must be electrically connected to the external electrical conductors.

La carte de circuit imprimé 8 est disposée parallèlement à l'une des faces latérales du boîtier 1, à faible distance de cette face, et l'on voit que les différents plots en forme de cavalier 11 sont disposés au niveau d'encoches 12 pratiquées dans la périphérie de la carte de circuit imprimé au voisinage des bornes, la base de chaque plot 11, qui s'etend parallèlement à la carte, enjambant son encoche 12 de façon à être accessible pour le contact. Au lieu d'encoches périphériques, la carte pourrait aussi posséder des perforations.The printed circuit board 8 is disposed parallel to one of the lateral faces of the housing 1, at a short distance from this face, and it can be seen that the various jumper-shaped studs 11 are arranged at the notches 12 formed. in the periphery of the printed circuit board in the vicinity of the terminals, the base of each stud 11, which extends parallel to the card, spanning its notch 12 so as to be accessible for contact. Instead of peripheral notches, the card could also have perforations.

Chacune des bornes représentées sur le dessin possède sa propre lame de contact. Les lames de contact sont référencées 13, 14, 15. Elles sont réalisées en un matériau conducteur, par exemple du laiton. La lame 13 possède une première extrémité plane 13a qui pénètre dans le logement de la borne pertinente 5 et traverse la cage de cette borne au voisinage du fond de la cage. L'extrémité 13a peut avantageusement avoir une forme de T dont les branches, qui empêchent un retrait hors de la cage 5 vers l'intérieur du boîtier, peuvent pénétrer dans des creusures du logement tel que, par exemple, une rainure 16, de façon à assurer un positionnement au fond de la cage tout en autorisant, de préférence, un certain débattement. Après un coude à la sortie du logement, la lame 13 descend vers la base du boîtier contre lequel elle chemine jusqu'à se rapprocher du plot 11 avec lequel elle doit coopérer. Au niveau de ce plot, elle forme une extrémité repliée 13b dont la partie extrême 13c forme une lamelle élastique pénétrant dans l'encoche 12 de la carte de circuit imprimé et venant s'appliquer élastiquement, et dans une direction perpendiculaire à la base du plot 11 et sensiblement parallèle au plan de la carte, contre cette base du plot 11 qui est accessible dans l'encoche, assurant ainsi un contact électrique avec la carte de circuit imprimé.Each of the terminals shown in the drawing has its own contact blade. The contact blades are referenced 13, 14, 15. They are made of a conductive material, for example brass. The blade 13 has a first flat end 13a which enters the housing of the relevant terminal 5 and passes through the cage of this terminal in the vicinity of the bottom of the cage. The end 13a may advantageously have a T-shape, the branches of which, which prevent withdrawal from the cage 5 towards the inside of the housing, can penetrate recesses in the housing such as, for example, a groove 16, so to ensure positioning at the bottom of the cage while preferably allowing a certain amount of travel. After a bend at the outlet of the housing, the blade 13 descends towards the base of the housing against which it travels until it approaches the stud 11 with which it must cooperate. At this stud, it forms a folded end 13b, the end portion 13c forms an elastic strip penetrating into the notch 12 of the printed circuit board and being applied elastically, and in a direction perpendicular to the base of the pad 11 and substantially parallel to the plane of the card, against this base of the pad 11 which is accessible in the notch, thus ensuring electrical contact with the printed circuit board.

De même, la lame de contact 14 présente une première extrémité 14a, identique à celle de la lame 13 et pénétrant dans le logement où elle traverse la cage, la partie terminale étant élargie à la façon d'un T pour venir se loger dans les creusures 16, ce qui interdit une extraction de la lame hors de la cage 5. La lame de contact 14 se poursuit cette fois-ci dans un plan parallèle à l'axe du logement de borne et s'étend vers le haut jusqu'à venir former une partie d'extrémité à angle droit 14b, dont la branche terminale 14c vient s'appliquer contre le plot 11 correspondant.Likewise, the contact blade 14 has a first end 14a, identical to that of the blade 13 and penetrating into the housing where it passes through the cage, the terminal part being widened in the manner of a T so as to be housed in the recesses 16, which prohibits extraction of the blade from the cage 5. The contact blade 14 continues this time in a plane parallel to the axis of the terminal housing and extends up to come to form an end part at a right angle 14b, the end branch 14c of which is applied against the corresponding stud 11.

La lame de contact 15 possède une forme similaire avec une extrémité 15a ayant exactement la même forme que les extrémités 13a et 14a des autres lames. A la sortie du logement, la lame 15 s'étend vers le haut sur une courte distance avant de former une extrémité 15b décalée vers le côté et dont la branche terminale 15c vient s'appliquer élastiquement avec la force de contact nécessaire contre le plot 11 pertinent.The contact blade 15 has a similar shape with one end 15a having exactly the same shape as the ends 13a and 14a of the other blades. At the outlet of the housing, the blade 15 extends upwards for a short distance before forming an end 15b offset to the side and the end branch 15c of which is applied elastically with the necessary contact force against the stud 11 relevant.

Bien entendu, les formes des lames peuvent être différentes en fonction des trajets s'étendant entre la cage de la borne pertinente et le plot de carte pertinent.Of course, the shapes of the blades can be different depending on the paths extending between the cage of the relevant terminal and the relevant card pad.

Dans l'exemple représenté, dans lequel le boîtier modulaire 1 n'est pas destiné à contenir un appareil électrique mais simplement la carte de circuit imprimé 8, les cages 5 des bornes ne se poursuivent pas vers l'intérieur par des conducteurs autres que les lames de contact 13, 14 ou 15. Par contre, si l'invention est appliquée à un boîtier contenant un appareil, électromécanique, les connexions vers la carte électronique seront réalisées selon l'invention, alors que celles assurant une liaison vers un mécanisme sont réalisées différemment.In the example shown, in which the modular box 1 is not intended to contain an electrical appliance but simply the printed circuit board 8, the cages 5 of the terminals do not continue inward by conductors other than the contact blades 13, 14 or 15. On the other hand, if the invention is applied to a housing containing an electromechanical device, the connections to the electronic card will be made according to the invention, while those ensuring a link to a mechanism are made differently.

En se référant à la figure 5, on voit une variante de réalisation dans laquelle le boîtier 1, dont on voit, en section, le fond, est refermé par un couvercle 1a muni de plusieurs nervures ou reliefs 1b destinés à maintenir la carte de circuit imprimé 8. On a représenté schématiquement une partie d'une lame de contact 17 dont l'extrémité (non représentée) pénètre dans une cage de borne et possède une forme qui est de préférence identique à celle des extrémités 13a, 14a et 15a. La seconde extrémité 17b s'applique contre la face intérieure du boîtier 1 et présente une partie écartée 17c pour le contact proprement dit, l'extrémité de cette partie 17c se poursuivant par une courte branche 17d qui est à nouveau en contact avec le boîtier 1. Lorsque l'on referme le couvercle 1a, les nervures ou reliefs 16 viennent repousser la carte de circuit imprimé 8 perpendiculairement à son plan et les plots 11 déforment les extrémités conductrices 17c des lames 17. Le plot 11 peut alors avantageusement être remplacé par une portion conductrice, ou piste, de la surface cuivrée du circuit imprimé. Une telle carte de circuit imprimé 8 n'a pas besoin d'encoche.Referring to Figure 5, we see an alternative embodiment in which the housing 1, which we see, in section, the bottom, is closed by a cover 1a provided with several ribs or reliefs 1b intended to hold the circuit board printed 8. There is shown schematically a part of a contact blade 17 whose end (not shown) enters a terminal cage and has a shape which is preferably identical to that of the ends 13a, 14a and 15a. The second end 17b is applied against the inner face of the housing 1 and has a spaced-apart portion 17c for the actual contact, the end of this portion 17c continuing with a short branch 17d which is again in contact with the housing 1 When the cover 1a is closed, the ribs or reliefs 16 push the printed circuit board 8 perpendicularly to its plane and the studs 11 deform the conductive ends 17c of the blades 17. The stud 11 can then advantageously be replaced by a conductive portion, or track, of the copper surface of the printed circuit. Such a printed circuit board 8 does not need a notch.

Claims (11)

  1. Device for the rapid connection of printed circuits for modular cases, characterized in that the case (1) has, in standard housings, standard box terminals (5), and, for at least one of the said terminals, an electrical connection member (13, 14, 15) formed by a contact blade, one end (13a, 14a, 15a) of which enters the terminal box (5), and the other end (13b, 14b, 15b, 17c) of which, along a path obtained by suitably folding and/or cutting the blade, forms a contact applying against a suitable contact surface (11) of the printed circuit (8).
  2. Device according to claim 1, characterized in that the blade end used for contact with the printed circuit (8) has a folded shape defining an elastic branch (13c, 14c, 15c) applying against the contact surface (11) of the printed circuit (8).
  3. Device according to claim 1, characterized in that the blade end used for contact with the printed circuit has cutouts able to be crushed by the action of pressure when assembling the case which effects the securing of the printed circuit board, thus establishing the contact with the contact surface (11) of the printed circuit (8).
  4. Device according to any one of claims 1 to 3, characterized in that a case cover (1a) effects the holding in place of the printed circuit (8) and applies it against the said other end (13b, 14b, 15b, 17c) used for contact with the printed circuit.
  5. Device according to any one of claims 1 to 4, characterized in that the blade end (13a, 14a, 15a) entering the terminal box has the shape of a T the branches of which prevent retraction through the box.
  6. Device according to any one of claims 1 to 5, characterized in that a blade end enters hollowed out portions (16) defining the play of the blade end in the box.
  7. Device according to any one of claims 1 to 6, characterized in that the blade end (13b, 14b, 15b) intended to apply against the contact surface (11) of the printed circuit applies against this surface in a direction substantially parallel to the plane of the board.
  8. Device according to any one of claims 1 to 6, characterized in that the blade end (13b, 14b, 15b) intended to apply against a contact surface (11) of the printed circuit applies in a direction substantially perpendicular to the plane of the printed circuit board.
  9. Device according to either of claims 7 or 8, characterized in that the contact surface of the printed circuit board is effected by a stirrup-shaped contact block (11).
  10. Device according to either of claims 7 or 8, characterized in that the contact surface of the printed circuit board is effected by a portion (track) of the coppered surface of the printed circuit.
  11. Device according to claim 9, characterized in that the base of the contact block (11) straddles a notch or a perforation of the board.
EP88400768A 1987-05-06 1988-03-30 Rapid connecting device for printed circuits for modular boxes Expired - Lifetime EP0290300B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88400768T ATE78635T1 (en) 1987-05-06 1988-03-30 QUICK CONNECTION SETUP OF PRINTED CIRCUITS FOR MODULAR HOUSING.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8706362 1987-05-06
FR8706362A FR2615045B1 (en) 1987-05-06 1987-05-06 DEVICE FOR QUICK CONNECTION OF PRINTED CIRCUITS FOR MODULAR BOXES

Publications (2)

Publication Number Publication Date
EP0290300A1 EP0290300A1 (en) 1988-11-09
EP0290300B1 true EP0290300B1 (en) 1992-07-22

Family

ID=9350819

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88400768A Expired - Lifetime EP0290300B1 (en) 1987-05-06 1988-03-30 Rapid connecting device for printed circuits for modular boxes

Country Status (4)

Country Link
EP (1) EP0290300B1 (en)
AT (1) ATE78635T1 (en)
DE (1) DE3872933T2 (en)
FR (1) FR2615045B1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2767478B2 (en) * 1990-02-01 1998-06-18 日本エー・エム・ピー株式会社 Electrical connectors and contacts for electrical connectors
FR2675642B1 (en) * 1991-04-17 1994-11-04 Entrelec Sa ELECTRICAL JUNCTION BLOCK.
DE29720511U1 (en) * 1997-11-19 1998-01-08 Weidmüller Interface GmbH & Co., 32760 Detmold Installation housing for printed circuit boards and electronic components

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1551951A (en) * 1966-09-21 1969-01-03
FI44920C (en) * 1967-02-24 1972-02-10 Ericsson Telefon Ab L M Push button switch
US4082407A (en) * 1977-05-20 1978-04-04 Amerace Corporation Terminal block with encapsulated heat sink
US4361371A (en) * 1980-12-08 1982-11-30 Amf Incorporated Packaging of solid state relay

Also Published As

Publication number Publication date
DE3872933T2 (en) 1993-03-04
ATE78635T1 (en) 1992-08-15
EP0290300A1 (en) 1988-11-09
DE3872933D1 (en) 1992-08-27
FR2615045A1 (en) 1988-11-10
FR2615045B1 (en) 1992-09-11

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