EP0426553A1 - Verbindungssystem für abgeschirmtes Flachkabel - Google Patents

Verbindungssystem für abgeschirmtes Flachkabel Download PDF

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Publication number
EP0426553A1
EP0426553A1 EP90403055A EP90403055A EP0426553A1 EP 0426553 A1 EP0426553 A1 EP 0426553A1 EP 90403055 A EP90403055 A EP 90403055A EP 90403055 A EP90403055 A EP 90403055A EP 0426553 A1 EP0426553 A1 EP 0426553A1
Authority
EP
European Patent Office
Prior art keywords
cable
connection system
flat cable
connection
conductor
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.)
Ceased
Application number
EP90403055A
Other languages
English (en)
French (fr)
Inventor
Jean Jacques Le Gouic Martun
Claude Bonnin
Michel De Mendez
Laurent Contardo
Jean Riverie
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.)
FCI France SA
Commissariat a lEnergie Atomique et aux Energies Alternatives CEA
Original Assignee
Commissariat a lEnergie Atomique CEA
Souriau et Cie
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Commissariat a lEnergie Atomique CEA, Souriau et Cie filed Critical Commissariat a lEnergie Atomique CEA
Publication of EP0426553A1 publication Critical patent/EP0426553A1/de
Ceased 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
    • 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
    • H01R12/77—Coupling devices for flexible printed circuits, flat or ribbon cables or like structures
    • H01R12/78—Coupling devices for flexible printed circuits, flat or ribbon cables or like structures connecting to other flexible printed circuits, flat or ribbon cables or like structures
    • 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
    • H01R12/77—Coupling devices for flexible printed circuits, flat or ribbon cables or like structures
    • H01R12/81—Coupling devices for flexible printed circuits, flat or ribbon cables or like structures connecting to another cable except for flat or ribbon cable
    • 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
    • H01R12/82—Coupling devices connected with low or zero insertion force
    • H01R12/85—Coupling devices connected with low or zero insertion force contact pressure producing means, contacts activated after insertion of printed circuits or like structures
    • H01R12/856—Coupling devices connected with low or zero insertion force contact pressure producing means, contacts activated after insertion of printed circuits or like structures activated by shape memory material
    • 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
    • H01R12/59—Fixed connections for flexible printed circuits, flat or ribbon cables or like structures
    • H01R12/594—Fixed connections for flexible printed circuits, flat or ribbon cables or like structures for shielded flat cable
    • 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
    • H01R12/77—Coupling devices for flexible printed circuits, flat or ribbon cables or like structures
    • H01R12/771—Details
    • H01R12/774—Retainers

Definitions

  • the invention relates to a connection system for shielded flat cable, particularly intended for flat cables comprising a stack of three conductors, one of which is a high-voltage conductor and the other two are low-voltage equipotential conductors.
  • French Patent 86 09102 published under No. 2600828 and filed June 24, 1986 discloses a flat cable connector for electrically connecting tracks of two printed circuits or circuit traces printed on a flat cable or two flat cables between them.
  • the connector described in this patent includes a shape memory alloy sleeve inside which the conductive elements are placed so as to be superimposed to be in electrical contact.
  • the sleeve exerts pressure on the electrical elements under the effect of a predetermined temperature, which ensures electrical continuity between each superimposed conductor.
  • This connector does not have the characteristics required for high voltage links, nor the morphology adapted to this type of link, which must allow the connection between shielded flat cables formed by a stack of three conductors.
  • the Applicant has therefore posed the problem of producing connection systems between two cables of this type or between a cable of this type with a cable of a different type, said system having to be as small as possible, ensure that the once a contact resumption without mechanical or thermal alteration of the conductive tracks or their insulating support and of ensuring, when the system is in depression, a perfect airtightness around the area of resumption of contact of the conductor high voltage and / or between the high voltage conductor recovery zone and the low voltage conductor recovery zones.
  • connection system which does not have the drawbacks of the systems of the prior art, which responds to the problem posed and which also has the required dielectric qualities, making it suitable for transferring energy important impulse.
  • this energy is of the order of a duration of 1 ⁇ s at a voltage of approximately 3,500 V with a flow rate approaching a thousand amperes, and this whatever the pressure, this being able to be of the order of the pressure corresponding to the minimum of the Paschen curves.
  • the present invention relates more particularly to a connection system for a shielded flat cable according to claim 1.
  • the cable comprises a stack of three conductors, a high-voltage conductor and two low-voltage equipotential conductors, the system being capable of connecting a flat cable. to another type of cable or a ribbon cable to another ribbon cable.
  • connection means comprising partially stripped electrical conductors at their ends, which are in intimate contact with the corresponding tracks of the flat cable, in order to ensure the electrical connections for resuming contact between this cable and another cable
  • - elastic parts making it possible to transmit pressure on the electrical contact recovery connections to ensure these contacts, the retention of the flat cable and finally the sealing of the contact areas
  • the connecting means consist of a single-conductor cable consisting of a conductive track housed in an insulating layer and of a biconductive cable consisting of two
  • the connecting means consist of three single-conductor cables, each consisting of a conductive track coated with insulation.
  • the elastic parts consist of elastomer cushions.
  • the two half-shells are made of an electrically insulating and rigid material, comprising a housing inside which the elastomer cushions and the conductive connecting tracks and the flat cable are trapped.
  • the holding means consists of U-shaped leaf springs, the branches of which are each housed in a half-shell and of a ring of shape memory alloy fitting almost all of the housing. in which the blades and the ring provide opposing forces.
  • the holding means consists of springs housed in the half-shells at their joint and of a shape memory alloy ring fitting almost all of the housing, the springs and the ring ensuring antagonistic efforts.
  • the ring is armed with a leaf spring.
  • the system includes a keying means.
  • the connection system allows the connection between two cables shielded flat without breaking impedance, the conductive connecting track of the first single conductor cable allowing the resumption of contact between two low voltage tracks of the two flat cables, the conductive connecting track of the second single conductor cable allowing the resumption of contact between the high tracks tension of the two cables and the conductive track of the third single-conductor cable allowing contact to be resumed between the two other low-voltage tracks of these two cables.
  • connection system allows the connection between a shielded flat cable and a coaxial cable, the conductive track for connection of the single-conductor cable allowing the resumption of contact between a low voltage track of the flat cable and the outer conductor of the coaxial cable, the conductive tracks for connecting the biconductive cable allowing the resumption of contact between the high voltage track of the flat cable and the central conductor of the coaxial cable on the one hand and, on the other hand, between the other low voltage track of the flat cable with the outer conductor of the coaxial cable.
  • FIG. 1A illustrates the principle of the connection system for a shielded flat cable according to the invention.
  • This system is suitable for connecting a shielded flat cable to another type of cable, in particular to another shielded flat cable or to a coaxial cable.
  • the shielded flat cable 10 consists of three superimposed conductive tracks, housed between layers of insulation 4.
  • the central track 1 is a high voltage track, the other two tracks 2, 3 are low voltage equipotentials.
  • An extreme part of the shielded flat cable is housed inside the system.
  • the endings of the tracks are stripped.
  • the contacts with the cable to which the cable 10 is to be connected are made by an insert forming connection means 20, 30, constituting an intermediate piece between the two cables to be connected. These contacts are identified by zones Z1 and Z2.
  • connection means 20, 30 comprise electrical conductors 21, 31, 32 partially stripped at their ends, which are in intimate contact with the flat cable 10 in order to ensure the electrical contact recovery connections.
  • connection means 20, 30 corresponds in fact to a first alternative embodiment for the connection means 20, 30.
  • these means consist of a single-conductor cable 20 and a biconductive cable 30.
  • the single-conductor cable comprises a conductive track 21 housed in an insulating layer 22.
  • the biconductive cable 30 comprises two conductive tracks 31, 32 superimposed, interspersed with layers of insulation 33.
  • the system comprises elastic parts preferably constituted by elastomer cushions 40-43 making it possible to transmit the pressure provided by the ring 60 on the electrical contact recovery connections in order to ensure these contacts , the retention of the cable and finally the sealing of the contact zones Z1, Z2.
  • the system also includes a housing formed by two half-shells 50, 51 closed on the assembly constituted by the connecting means and the cushions 40-43.
  • the holding means comprise a ring 60 made of shape memory alloy which fits almost the entire housing.
  • the ring provides sufficient pressure on the elastomer cushions during periods of normal system use and opens at low temperature (either below the minimum use temperature T ⁇ -100 ° C) to allow connection or a cable mismatch with zero force.
  • the ring 60 receives an education treatment which gives it a two-way shape memory.
  • the ring has two shapes.
  • T for example greater than -100 ° C, it compresses the elastomer cushions and for a temperature T less than -100 ° C it opens and releases the cushions, - the ring 60 is not educated in this way.
  • the holding means further comprise, according to an exemplary embodiment, a leaf spring 70 in the shape of a U.
  • the blade 70 and the ring 60 exert opposing forces.
  • the ring 60 ensures the closure of the system when it is in a normal temperature of use.
  • the blade 70 tends, on the contrary, to move apart to allow the cables to be released as soon as the ring is placed in a very low temperature.
  • the system also includes coding means 72.
  • FIG. 2A shows a connection system according to the invention seen in section along a longitudinal plane, in order to illustrate a second alternative embodiment for the connection means 20, 30, 35.
  • connection means comprise three single-conductor cables.
  • the two low voltage contact recovery cables 20, 35 are identical in their shape.
  • These three cables 20, 30, 35 each consist of a conductive track 21 and 32 for low voltage and 31 for high voltage, coated with an insulating layer 22, 36, 33.
  • Figures 2B and 2C show the same cross section AA, Figure 2B corresponding to a closed position for the system, while Figure 2C corresponds to an open position.
  • FIG. 1A shows the holding means constituted by a ring 60 of shape memory alloy and by springs 75 placed at the joints of the two half-shells 50, 51.
  • the springs constitute an alternative embodiment with respect to the blade spring 70 shown in Figure 1B.
  • these two solutions are equivalent solutions, both adapted to the two variants FIG. 1A, Fig. 2A.
  • the ring 60 exerts pressure on the cushions 40-43 in order to ensure the electrical contacts and a perfect airtightness. This tightness is reinforced for elastomeric collars E.
  • FIG. 3A represents the diagram of a connection system in accordance with the invention applying to the connection of a flat cable 10 and a coaxial cable 90.
  • the system comprises in its right part a housing intended to insert the end of the coaxial cable 90 and to put this coaxial cable in final contact with the connection means.
  • Figure 3B illustrates the contact between the high voltage track 31 and the central conductor 91.
  • the arrows symbolize the pressure exerted by the rings 80 (FIG. 3A) in shape memory alloy.
  • Figure 3C illustrates the contact between the low voltage track 32 and the outer conductor 92 of the coaxial cable.
  • Figure 3D illustrates an example of a ring 80.
  • Figure 3E illustrates the termination of the coaxial cable 90 inserted in the system.
  • the reference 93 corresponds to the insulating material placed around the central conductor 91 and around the external conductor 92.
  • Figure 4 corresponds to another example of application which is that of the connection between two shielded flat cables.
  • the system has perfect symmetry in its form. This symmetry is preferably chosen in this case, but is in no way imposed for operation.
  • the connection principle is identical to the principles described in connection with FIGS. 1A and 2A.
  • two other elastomer cushions 101 and 102 are used which have the same function as the seals 40, 42 for the second armored flat cable 100.
  • connection system in this application example also makes it possible not to cause a break in impedance.
EP90403055A 1989-10-31 1990-10-29 Verbindungssystem für abgeschirmtes Flachkabel Ceased EP0426553A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8914285 1989-10-31
FR8914285A FR2653942B1 (fr) 1989-10-31 1989-10-31 Systeme de raccordement pour cable plat blinde.

Publications (1)

Publication Number Publication Date
EP0426553A1 true EP0426553A1 (de) 1991-05-08

Family

ID=9386972

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90403055A Ceased EP0426553A1 (de) 1989-10-31 1990-10-29 Verbindungssystem für abgeschirmtes Flachkabel

Country Status (4)

Country Link
US (1) US5094625A (de)
EP (1) EP0426553A1 (de)
JP (1) JPH03155071A (de)
FR (1) FR2653942B1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997037403A1 (de) * 1996-03-28 1997-10-09 Oce Printing Systems Gmbh Anordnung zweier voneinander lösbarer flachleitungen und anschlussanordnung für den anschluss einer flachleitung

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107809016B (zh) * 2016-09-09 2020-10-30 富士康(昆山)电脑接插件有限公司 线缆连接器组件

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4116516A (en) * 1977-06-24 1978-09-26 Gte Sylvania Incorporated Multiple layered connector
EP0251869A1 (de) * 1986-06-24 1988-01-07 Thomson-Csf Verbinder für Flachverbindung

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3745509A (en) * 1971-03-02 1973-07-10 Bunker Ramo High density electrical connector
US4012093A (en) * 1971-08-25 1977-03-15 The Deutsch Company Electronic Components Division Connector arrangement for thin, deflectable conductors
US4453792A (en) * 1982-09-20 1984-06-12 Amp Incorporated High current drawer connector
US4743080A (en) * 1986-09-25 1988-05-10 G & H Technology, Inc. Flat cable connector
JPH0637326Y2 (ja) * 1989-05-15 1994-09-28 日本碍子株式会社 酸素センサ
US4934946A (en) * 1989-05-22 1990-06-19 Itt Corporation Flexible circuit connection assembly

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4116516A (en) * 1977-06-24 1978-09-26 Gte Sylvania Incorporated Multiple layered connector
EP0251869A1 (de) * 1986-06-24 1988-01-07 Thomson-Csf Verbinder für Flachverbindung

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997037403A1 (de) * 1996-03-28 1997-10-09 Oce Printing Systems Gmbh Anordnung zweier voneinander lösbarer flachleitungen und anschlussanordnung für den anschluss einer flachleitung
US6109928A (en) * 1996-03-28 2000-08-29 Oce Printing Systems Gmbh Arrangement of two disconnectable flat conductors and a connection unit for connecting a flat conductor

Also Published As

Publication number Publication date
JPH03155071A (ja) 1991-07-03
FR2653942B1 (fr) 1991-12-27
US5094625A (en) 1992-03-10
FR2653942A1 (fr) 1991-05-03

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