EP0596770B1 - Elektrische Kupplungsvorrichtung für gedruckte Schaltungen - Google Patents

Elektrische Kupplungsvorrichtung für gedruckte Schaltungen Download PDF

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Publication number
EP0596770B1
EP0596770B1 EP93402615A EP93402615A EP0596770B1 EP 0596770 B1 EP0596770 B1 EP 0596770B1 EP 93402615 A EP93402615 A EP 93402615A EP 93402615 A EP93402615 A EP 93402615A EP 0596770 B1 EP0596770 B1 EP 0596770B1
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EP
European Patent Office
Prior art keywords
electrical connection
supports
connection device
module
contacts
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
EP93402615A
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English (en)
French (fr)
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EP0596770A1 (de
Inventor
Albert Barre
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.)
Airbus Group SAS
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Airbus Group SAS
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Filing date
Publication date
Application filed by Airbus Group SAS filed Critical Airbus Group SAS
Publication of EP0596770A1 publication Critical patent/EP0596770A1/de
Application granted granted Critical
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Anticipated expiration legal-status Critical
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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
    • H01R12/70—Coupling devices
    • H01R12/71—Coupling devices for rigid printing circuits or like structures
    • H01R12/712—Coupling devices for rigid printing circuits or like structures co-operating with the surface of the printed circuit or with a coupling device exclusively provided on the surface of the printed circuit
    • H01R12/714—Coupling devices for rigid printing circuits or like structures co-operating with the surface of the printed circuit or with a coupling device exclusively provided on the surface of the printed circuit with contacts abutting directly the printed circuit; Button contacts therefore provided on the printed circuit

Definitions

  • the present invention relates to electrical connection devices for insulating supports, in particular rigid, carrying printed circuits.
  • connectors are used provided with female plugs, into which are plugged male plugs arranged on said supports.
  • female plugs into which are plugged male plugs arranged on said supports.
  • the contacting being done by force, there is a wear of the plugs decreasing the efficiency of the connection after a certain number of plugging and unplugging operations.
  • the replacement of said plugs is delicate and very expensive, and the same is true for the implementation of a surface protection against wear, such as for example the covering of the plugs with a metal resistant to 'wear.
  • the object of the present invention is to remedy these drawbacks. It relates to a connection device which does not involve any friction when the supports, carrying printed circuits, are brought into electrical contact.
  • the electrical connection between said insulating supports is established by means of the flexible blade, external to the supports, and which is pressed against the latter by said pressure means.
  • the present invention does not require the frictional insertion of complementary contact elements, which eliminates friction, causing damage.
  • Said flexible blade having at least two sets of protruding pads and the pads of one of said sets being connected to the pads of the other of said sets, the protruding pads are therefore simply brought into contact with the contacts, also protruding, of said supports. Consequently, two interconnected pads are each connected to a contact of two different supports, thus establishing an electrical connection between these two contacts.
  • An important advantage of the present invention lies in the possibility of easily adapting said electrical connection device to supports to be connected, having various arrangements of contacts.
  • connection device in this case the housing and the pressure means, for the connection of new supports, different from the previous supports.
  • Another advantage of the present invention lies in the possibility of connecting supports, carriers of printed circuits, arranged in various ways with respect to each other.
  • the device according to the present invention allows, in particular, the electrical connection of two parallel supports and, according to another embodiment, the electrical connection of two orthogonal supports.
  • the pressure means of the connection device consist, for example, of two pressure plates subjected to the pressure of a spring, arranged opposite from each other, and held in the housing.
  • the flexible blade is then folded, unilaterally or bilaterally depending on the embodiment, around said housing which is disposed between the two parallel insulating supports.
  • the housing advantageously has a slot in which is housed one of said supports which is then blocked laterally so as to bring into contact contacts arranged on at least one of its faces with pads of the flexible blade which covers the internal faces of said slot.
  • said flexible blade also covers the external surface of the housing and it is provided there with studs, the other supports to be connected can be fixed on the housing at the level of said studs to allow electrical connection between these supports and the support introduced into the slot.
  • This embodiment advantageously makes it possible to connect supports arranged in various ways to one another. Indeed, it is for example possible to arrange said slot so that it has a particular arrangement with respect to one of the faces of the housing against which a support to be connected will be fixed. Thus, to connect for example two orthogonal supports, it suffices to arrange the slot orthogonally with respect to one of the faces of the housing, and to have one of the supports against this face and the other in said slot.
  • said housing can consist of two blocks, such that, when they are arranged facing one another, they provide a slot between them.
  • These two blocks can advantageously be held together, inter alia, by means of the flexible blade which surrounds them and which is fixed to each of said blocks.
  • the electrical connection device advantageously includes positioning pins which make it possible to adapt the insulating supports and the flexible blade on said device.
  • Said insulating supports and said flexible blade are, for example, provided with holes which come into position on said positioning pins, thereby facilitating the positioning of said supports and said flexible blade.
  • a screw fixing system is provided on said electrical connection device, facilitating the mounting and maintenance of the connection device, since the assembly and disassembly of the various components of the device are made by simple screwing or unscrewing of fixing screws.
  • Figure 1 is a perspective view of an electrical connection device for two parallel insulating supports, according to the present invention.
  • FIG. 2 is a schematic longitudinal section view along line II-II of the device in FIG. 1.
  • FIG. 3 is a schematic cross-sectional view along line III-III of FIG. 2.
  • Figure 4 illustrates in side view a flexible blade folded bilaterally around a fastener.
  • Figure 5 is a partial perspective view of a flexible blade provided with two sets of studs.
  • Figure 6 is a perspective view of an electrical connection device for two orthogonal insulating supports.
  • Figure 7 is a cross section of the device of Figure 6, in the closed position.
  • Figure 8 is a sectional view similar to that of Figure 7, but in the open position.
  • Figure 9 shows in perspective two electrical connection devices similar to that of Figure 6, mechanically connected.
  • the electrical connection device is intended to connect insulating supports 1 and 2, bearing printed circuits, and arranged parallel to each other.
  • Said supports 1 and 2 are both provided with a set of contacts 3 projecting relative to the surface of said supports.
  • Said contacts 3 are arranged at one end of said supports 1 and 2, on a single face and said faces are arranged opposite one another.
  • Said electrical connection device comprises a housing 4, in which are housed pressure means, for example two symmetrical pressure plates 5 and 6, between which is disposed a spring 7, which pushes said pressure plates one of the other.
  • Said pressure plates 5 and 6 have the shape of a U-section angle, as shown in FIG. 3, provided with two lateral wings 8.
  • Each pressure plate 5 and 6 has two positioning pins 9 projecting towards the outside.
  • Said pressure plates bear against abutments 10 of the housing 4, said abutments making said pressure plates captive of said housing, while allowing their access from outside thereof, between said abutments 10.
  • Said spring 7 is disposed in the cavity formed by the wings 8 of said plates 5 and 6, arranged opposite one another, and it is, for example, locked in the center of said wings by means of central lugs (not shown ) placed in notches (not shown) made in said wings, preventing any translation of said spring 7.
  • Said pressure plates 5 and 6 are also covered with a flexible element 11, for example an elastomer, intended to promote the elasticity of the spring / plate couple pressure.
  • Said flexible element 11 is protected by a metal layer 12 which covers it.
  • said housing 4 is, for example, formed of two symmetrical parts 4 'and 4' 'held together by lateral screws 13.
  • Said electrical connection device also comprises a flexible blade 14 provided with two sets 15 and 16 of protruding studs 17 interconnected by connections 18 (see FIG. 5).
  • the two sets of studs 15 and 16 are each arranged at one end of said flexible blade 14, the sets 15 and 16 having respectively the same arrangement as the sets of contacts of the supports 1 and 2.
  • Said flexible blade 14 is folded unilaterally around the fixing piece 4 (see FIG. 3) and is placed in position on the positioning pins 9 of the pressure plates 5 and 6, using holes 19 provided in said flexible blade 14.
  • a flexible blade 20 is folded bilaterally around the housing 4.
  • said flexible blade 20 can, for example, have three sets of studs 21, 22 and 23, the studs of the sets 21 and 23 being connected to the studs of the set 22 by links similar to the links 18 in FIG. 5.
  • the insulating supports 1 and 2 are arranged in parallel on the fixing piece 4, previously surrounded by the flexible blade 14, so that holes 24 arranged on said supports are placed on the positioning pins 9.
  • the faces of the supports 1 and 2 provided with contacts are arranged opposite the housing 4 and the flexible blade 14, the contacts 3 of said supports 1 and 2 facing the cooperating studs 17 of said flexible blade 14.
  • the set of studs 15 is placed opposite the set of contacts 3 of the support 1 and the set of studs 16 is placed opposite the set of contacts 3 of support 2.
  • the housing 4 is provided with two lateral holes 25 arranged so as to face, when the supports 1 and 2 are placed on said housing 4, with holes 26 and 27 arranged respectively on said supports 1 and 2. Said cooperating holes 25, 26 and 27 are intended to receive screws (not shown) making it possible to fix said supports 1 and 2 to said fixing piece 4.
  • the installation of the device can, for example, be done without screws.
  • the two supports 1 and 2 are, for example, fixed parallel to each other, to a structure external to the connection device, said connection device being placed in contact between said supports.
  • Said supports, which in such an embodiment must be rigid to support the connection device, are separated by a distance such that the pressure exerted by the pressure plates on the flexible blade makes it possible to establish the electrical connection between each pair contact / plot.
  • Figures 6 to 8 show an electrical connection device according to the invention for two insulating supports 31 and 32, carrying printed circuits, arranged orthogonally to each other.
  • the support 32 identical to the supports 1 and 2 of the previous embodiment, comprises on one of its faces a set 33 of protruding contacts (see FIG. 8).
  • the support 31 has, meanwhile, two sets 34 and 35 of protruding contacts, arranged at one of its ends, a set on each of its faces (see FIG. 8).
  • This electrical connection device comprises a box 36 made up of two symmetrical blocks 36 ′ and 36 ′′, which when they are brought close to each other, as shown in FIG. 7, provide a cavity 37 ′ in which is housed a pressure plate 37, pressed outwards by a spring 38 against stops 37 '' of said blocks 36 'and 36''.
  • the spring 38 bears on the bottom of the cavity 37 'and the pressure plate 37 is accessible from the outside of the housing 36, between the stops 37''.
  • the blocks 36 and 36 ′ also have, in this close position, a slot 31 ′ in which the support 31 can be placed.
  • Said pressure plate 37 is, like the pressure plates 5 and 6 of the previous embodiment, provided with positioning pads 39 and covered with a flexible element 40 and a metal layer 41.
  • the two blocks 36' and 36 '' each have a housing 42 in which is disposed a flexible element 43 covered with a layer metallic 44, identical to the elements 11 and 12 described with reference to FIGS. 2 and 3.
  • Said electrical connection device also comprises a flexible blade 45 provided with three sets of protruding pads 46, 47, 48, the games 46 and 48 being each disposed at one end and the game 47 being disposed in the middle of said flexible blade 45.
  • the pads of the sets 46 and 48 are connected to the pads of the set 47 (by connections not shown similar to the connections 18 of FIG. 5), to allow the connection of the two sets of contacts 34 and 35 of the support 31 with the set of contacts 33 of the support 32, when the sets of contacts 33, 34 and 35 are pressed respectively against the sets of pads 47, 46 and 48.
  • connection device is put in place by folding the flexible blade 45 around the two blocks 36 'and 36' ', between which the pressure plate 37 and the spring 38 have been previously disposed, on the side which is for them (see Figure 8).
  • the angles of said blocks 36 'and 36' ' are rounded so as not to leave protruding edges liable to damage the flexible blade 45.
  • the ends of said flexible blade 45 are fixed by screws 49 on the two blocks 36 'and 36' ', after having been correctly positioned using positioning pins 50 (similar to pins 9 in Figures 1 to 4).
  • Said two blocks 36 'and 36' 'and said support 31 are then fixed to each other by screws 52 passing through said support 31 at an opening 53.
  • connection devices In order to obtain a series of connection devices, it is, for example, possible to mechanically connect together several of the connection devices of FIG. 6, as shown in FIG. 9.

Landscapes

  • Coupling Device And Connection With Printed Circuit (AREA)
  • Multi-Conductor Connections (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Claims (14)

  1. Elektrische Kupplungsvorrichtung für mindestens zwei isolierende Träger (1,2,31,32) gedruckter Schaltungen, die zur Verbindung jeweils mindestens einen Satz von Kontakten (3) haben, wobei die Kontakte (3) an den Trägern, an denen sie sich befinden, überstehen und die elektrische Kupplungsvorrichtung umfaßt:
    - ein isolierendes Federband (14,20,45) mit mindestens zwei Sätzen (15,16,21,22,23,46,47,48) am Federband überstehender Klötze, die elektrisch miteinander verbunden sind, wobei die Klotzsätze jeweils ähnlich wie die Kontaktsätze der Träger angeordnet sind;
    - Druckmittel (5,6,37,43), durch die das Federband (14,20,45) an die isolierenden Träger (1,2,31,32) angedrückt werden kann, so daß jeder Kontakt zur Verbindung jedes der Träger mit einem entsprechenden überstehenden Klotz des Federbandes in Kontakt gelangt; und
    - ein Gehäuse (4,36), mit dem die isolierenden Träger (1,2,31,32), das Federband (14,20,45) und die Druckmittel (5,6,37,43) zusammengehalten werden können.
  2. Elektrische Kupplungsvorrichtung nach Anspruch 1 für zwei isolierende Träger,
    dadurch gekennzeichnet, daß die isolierenden Träger (1,2) parallel zueinander angeordnet sind, daß die Druckmittel (5,6) aus zwei Druckplatten (5,6) bestehen, auf die eine Feder (7) einwirkt und die im Gehäuse (4) einander gegenüber gehalten werden, daß das Federband (14,20) um das Gehäuse (4) gebogen wird und daß das Gehäuse (4) zwischen den isolierenden Trägern (1,2) angeordnet ist.
  3. Elektrische Kupplungsvorrichtung nach Anspruch 2,
    dadurch gekennzeichnet, daß das Federband (14) einseitig um das Gehäuse (4) gebogen ist.
  4. Elektrische Kupplungsvorrichtung nach Anspruch 2,
    dadurch gekennzeichnet, daß das Federband (20) beidseitig um das Gehäuse (4) gebogen ist.
  5. Elektrische Kupplungsvorrichtung nach Anspruch 1,
    dadurch gekennzeichnet, daß das Gehäuse (36) einen Spalt (31') mit einer Breite größer als die Dicke eines der Träger (31) hat, daß das Federband (45) um das Gehäuse (36) herum angeordnet ist, so daß sich mindestens ein Klotzsatz (46,48) auf mindestens einer der Innenseiten des Spalts (31') und mindestens ein Klotzsatz (47) auf der Außenseite des Gehäuses (36) befindet, und daß ein Ende dieses Trägers (31), das mindestens auf einer seiner Seiten Kontakte hat, im Spalt (31') angeordnet und darin seitlich blockiert ist, so daß jeder der Kontakte mit einem Klotz des Federbandes (45) in Kontakt gelangt.
  6. Elektrische Kupplungsvorrichtung nach Anspruch 5 für zwei isolierende Träger,
    dadurch gekennzeichnet, daß der isolierende Träger (31) im Spalt (31') senkrecht zu dem isolierenden Träger (32) angebracht ist, der mit den Klötzen (47) an der Außenfläche des Gehäuses (36) verbunden ist.
  7. Elektrische Kupplungsvorrichtung nach einem der Ansprüche 5 oder 6,
    dadurch gekennzeichnet, daß das Ende des Trägers (31) im Spalt (31') auf jeder seiner Seiten einen Satz (34,35) von Kontakten hat und daß das Federband (45) zwei Sätze (46,48) von Klötzen aufweist, die an jedem Ende des Federbandes angeordnet sind.
  8. Elektrische Kupplungsvorrichtung nach einem der Ansprüche 5 bis 7,
    dadurch gekennzeichnet, daß die Druckmittel (37,43) aus einem elastischen Element (43) und einer von einer Feder (38) beaufschlagten Druckplatte (37) bestehen, daß die Druckplatte (37) die Herstellung der elektrischen Verbindung zwischen dem Klotzsatz (47) an der Außenfläche des Gehäuses (36) und dem Kontaktsatz (33) des entsprechenden Trägers (32) ermöglicht und daß das elastische Element (43) die Herstellung der elektrischen Verbindung zwischen dem oder den Klotzsätzen der Enden (46,48) des Federbandes und dem oder den Kontaktsätzen (34,35) des Trägers (31) im Spalt (31') ermöglicht.
  9. Elektrische Kupplungsvorrichtung nach einem der Ansprüche 5 bis 8,
    dadurch gekennzeichnet, daß das Gehäuse (36) aus zwei Blöcken (36', 36") besteht, die durch das Federband (45) um die Blöcke (36',36") zusammengehalten werden, das an jedem von ihnen befestigt ist.
  10. Elektrische Kupplungsvorrichtung nach einem der Ansprüche 2 bis 9,
    dadurch gekennzeichnet, daß sich auf den Druckplatten (5,6,37) ein elastisches Element (11,40) befindet.
  11. Elektrische Kupplungsvorrichtung nach Anspruch 10,
    dadurch gekennzeichnet, daß das elastische Element (11,40,43) mit einer Metallschicht (12,41,44) überzogen ist.
  12. Elektrische Kupplungsvorrichtung nach einem der obigen Ansprüche,
    dadurch gekennzeichnet, daß die Vorrichtung mit Positionierungsstiften (9,39,50) versehen ist und daß die isolierenden Träger und das Federband Bohrungen zur Aufnahme der Positionierungsstifte (9,39,50) haben.
  13. Elektrische Kupplungsvorrichtung nach einem der obigen Ansprüche,
    dadurch gekennzeichnet, daß das Gehäuse (4,36) mit einem System zur Befestigung mit Hilfe von Schrauben versehen ist.
  14. Elektrische Kupplung,
    dadurch gekennzeichnet, daß sie mindestens zwei elektrische Kupplungsvorrichtungen nach einem der obigen Ansprüche umfaßt und daß die Vorrichtungen mechanisch miteinander verbunden sind.
EP93402615A 1992-11-04 1993-10-26 Elektrische Kupplungsvorrichtung für gedruckte Schaltungen Expired - Lifetime EP0596770B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9213200A FR2697683B1 (fr) 1992-11-04 1992-11-04 Dispositif de connexion électrique pour circuits imprimés.
FR9213200 1992-11-04

Publications (2)

Publication Number Publication Date
EP0596770A1 EP0596770A1 (de) 1994-05-11
EP0596770B1 true EP0596770B1 (de) 1997-03-05

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ID=9435165

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93402615A Expired - Lifetime EP0596770B1 (de) 1992-11-04 1993-10-26 Elektrische Kupplungsvorrichtung für gedruckte Schaltungen

Country Status (6)

Country Link
EP (1) EP0596770B1 (de)
AT (1) ATE149749T1 (de)
DE (1) DE69308475T2 (de)
DK (1) DK0596770T3 (de)
ES (1) ES2100495T3 (de)
FR (1) FR2697683B1 (de)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2252728B2 (de) * 1973-11-22 1976-11-19 Honeywell Bull Soc Ind
US4895523A (en) * 1988-11-07 1990-01-23 Raytheon Company Controlled impedance connector
JPH04245183A (ja) * 1990-09-07 1992-09-01 Rogers Corp フレキシブル回路エッジボードコネクタ

Also Published As

Publication number Publication date
FR2697683A1 (fr) 1994-05-06
ES2100495T3 (es) 1997-06-16
FR2697683B1 (fr) 1995-01-06
DK0596770T3 (da) 1997-03-24
EP0596770A1 (de) 1994-05-11
DE69308475D1 (de) 1997-04-10
DE69308475T2 (de) 1997-08-07
ATE149749T1 (de) 1997-03-15

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