EP0002984B1 - Bandkabelverbinder mit optischer Kontrolle - Google Patents

Bandkabelverbinder mit optischer Kontrolle Download PDF

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Publication number
EP0002984B1
EP0002984B1 EP78400244A EP78400244A EP0002984B1 EP 0002984 B1 EP0002984 B1 EP 0002984B1 EP 78400244 A EP78400244 A EP 78400244A EP 78400244 A EP78400244 A EP 78400244A EP 0002984 B1 EP0002984 B1 EP 0002984B1
Authority
EP
European Patent Office
Prior art keywords
connector
pusher
accordance
lugs
convergent
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
Application number
EP78400244A
Other languages
English (en)
French (fr)
Other versions
EP0002984A1 (de
Inventor
Jacques Carre
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.)
Socapex SA
Original Assignee
Socapex SA
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 Socapex SA filed Critical Socapex SA
Publication of EP0002984A1 publication Critical patent/EP0002984A1/de
Application granted granted Critical
Publication of EP0002984B1 publication Critical patent/EP0002984B1/de
Expired legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • 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
    • H01R12/65—Fixed connections for flexible printed circuits, flat or ribbon cables or like structures characterised by the terminal
    • H01R12/67—Fixed connections for flexible printed circuits, flat or ribbon cables or like structures characterised by the terminal insulation penetrating terminals
    • 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
    • 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
    • H01R13/66—Structural association with built-in electrical component
    • 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
    • H01R4/24—Connections using contact members penetrating or cutting insulation or cable strands
    • H01R4/2416—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type
    • H01R4/242—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type the contact members being plates having a single slot

Definitions

  • the present invention relates to the field of connectors for electrically conductive cables with a plurality of mutually insulated wires, in the case where these wires are arranged side by side, in a flat ribbon arrangement, where the wires are held together by their insulating coating, arrangement known as ribbon cable.
  • the plug-in connection of the ribbon cables uses connectors in two parts, each comprising, in an insulating support block, a plurality of conductive contact elements.
  • Each wire having been previously stripped over a suitable length, by removing its insulating sheath, is connected to one of the contact elements, one end of which is adapted to this connection, most often made by welding; the other end of each contact element, in the form of either a male plug or a female socket, ensures connection by plugging in with contact elements of complementary shape carried by the other part of the connector.
  • a typical form of such a terminal consists of a plate disposed at the end of the contact, a plate in which a slot, open at one end, has been made.
  • the introduction, by its lateral surface, of a conducting wire into this slot determines, for a suitable diameter of the wire, a partial penetration of the lateral edges of the slot in the latter, with establishment of the electrical contact, and mechanical anchoring of the wire on the terminal. If the wire is covered with a sheath of an insulating material, this sheath is notched in the same conditions by the edges of the slot; there is thus establishment of the electrical connection with self-stripping.
  • the self-stripping terminal is present at the open end of its slot, a pair of points ensuring the drilling of the two walls, giving the self-stripping lug the general shape of a fork.
  • connection between each wire and each terminal of a connector for ribbon cable is thus made very rapid, in particular if the penetration of all the wires of the cable is carried out simultaneously by a common thrust member.
  • the connector with self-stripping lugs for ribbon cables according to the present invention does not have these drawbacks.
  • this means allows immediate and simultaneous control of the plurality of connections between the wires of the ribbon cable and the forks of the self-stripping lugs without dismantling or application of electrical energy, but by purely optical means; this means is non-destructive, effective and inexpensive. It consists of a plurality of converging optical diopters, arranged opposite the region of the ribbon cable where the penetration, the self-stripping and the electrical connection of the forks take place, performing the function of a plurality of magnifying glasses providing visual magnification of this region; according to the invention, this control means is associated, in the connector, with the means ensuring the application of the force of simultaneous penetration of the wires of the ribbon cable in the lugs, namely the pusher forming part of the connector.
  • the invention thus provides for assuming in a new way two functions by the same means, a mechanical function and an optical function.
  • the material of which the pusher is made is chosen from those which are capable of entering, by their physical properties of transparency and refractive index, into the constitution of optical devices; in addition, the shape of the surfaces of the pusher disposed facing the regions of the ribbon cable to be checked is chosen to constitute pluralities of converging diopters of optical power suitable for good observation, with sufficient magnification.
  • an optically controlled connector for ribbon cable, cable in the form of a strip consisting of a plurality of adjacent conductive wires joined by a common flat insulating envelope firstly comprising a block (1) of insulating material provided a housing for receiving the cable, secondly a determined number of contact elements with self-stripping lugs in the form of a fork (6), these lugs protruding into this housing, and thirdly a cover constituting a pusher (14) allowing the application to the cable of a force for inserting the wires into the lugs, characterized in that the pusher is provided with optical elements of the "converging diopter" type (32) arranged opposite the auto lugs stripping, with their optical axis oriented in the direction of the pods after insertion of the wires therein, using said pusher.
  • the pusher is provided with optical elements of the "converging diopter" type (32) arranged opposite the auto lugs stripping, with their optical axis oriented in the direction of the pods after
  • Figure 1 shows, in a perspective view with partial section, one of the two parts of a self-stripping connector for ribbon cable according to the prior art.
  • Such a cable illustrated in the figure in partial section, is in the general form of a strip 1, where a plurality of conducting wires such as 2 are stored side by side, joined by a flexible insulating material 3.
  • the connector comprises an insulating block 4, provided with a transverse housing 5 for receiving the cable, block supporting a plurality of contact elements 6.
  • Each element comprises on the one hand a part of a connector not shown, and d on the other hand an internal part 8, ensuring the electrical connection with one of the wires of the ribbon cable by self-stripping.
  • This known characteristic consists of a drilling of the intermediate wall at 9 and 10 of the cable by two points 11 and 12 of the terminal, a cutting of the sheath 3 of the wire by the edges of the slot 13, and finally the production of electrical contact through these edges with the conductive core of the wire.
  • These cutting edges of the slot only create a narrow cut in the insulating sheath, which resiliently closes over the two contact regions and protects them against damage due to the environment (humidity, various chemical attacks).
  • connection is made final by securing the pusher and the support block, by using screws introduced into the openings 18 and 19.
  • the connector After closing, the connector has the general shape of a closed housing, and, taking into account insulating materials usually used, a visual inspection of the insertion of the wires in the terminals is impossible.
  • Figure 2 shows, illustrated in an explanatory section, a drawback of the implementation of such a connector.
  • FIG. 3 represents a connector push-button with self-stripping lugs for ribbon cable, according to the invention.
  • This pusher is provided, in a part of its upper wall, with a plurality of optical elements 32 of the converging diopter type, often designated by the name of "magnifying glass".
  • Each magnifying glass is arranged opposite one of the housings 33, intended to receive a self-stripping terminal; and the magnification of the region of the cable which it allows to observe allows an easy and precise examination of the correct insertion of the wire into the slot of the terminal.
  • FIG. 4 represents a particularly advantageous embodiment of the invention.
  • the pusher 14 is entirely made of optically transparent material, and directly carries, in the same continuous material, the converging optical diopters 41, which are here of the cylindrical type; it thus simultaneously performs two functions, that of transmitting an insertion force and that of optical magnification.
  • the choice of material can be made from a wide range of chemical compounds, which generally have, when transparent, the simultaneous properties of electrical insulators; we cite, for example, polymethyl metacrystal as well suited to the constitution of a pusher according to the invention, moreover being suitable for easy production by molding or machining.
  • FIG. 5 represents a variant of the embodiment of the previous figure, where the more numerous converging optical dioptres 51 and 52 make it possible to examine simultaneously the lateral branches of each terminal and the axis of each wire.
  • an axial projection 53 formed in each housing 33 of the pusher, ensures the creation of an imprint in the insulating sheath of each wire for the duration of the insertion.
  • Figure 6 in two parts (a) and (b) shows two explanatory diagrams of the role of the axial projection 53 of the previous figure.
  • the projection consists of a line of triangular cross section, and according to (b), it consists of a cone.
  • the axial projection When inserting a wire into the corresponding terminal, the axial projection penetrates into the insulating envelope where it creates an imprint 60. If the insertion is correct, the axial projection moves parallel to the direction of insertion 54 and the imprint remains masked by the projection during the observation; if, on the other hand, the insertion is incorrect, the wire and its insulating sheath move laterally, with respect to the direction of insertion, and the impression progressively moves in the same direction. At the end of the insertion, the imprint then occupies position 61, corresponding to a total width t.
  • optical examination means and means ensuring signaling marking, in combination with the insertion button thus provides a set of results which are particularly advantageous in practical uses, in particular on construction sites.

Landscapes

  • Connections By Means Of Piercing Elements, Nuts, Or Screws (AREA)
  • Multi-Conductor Connections (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Manufacturing Of Electrical Connectors (AREA)
  • Connector Housings Or Holding Contact Members (AREA)

Claims (10)

1. Verbinder mit optischer Überprüfung, für ein Flachkabel, das aus einer Mehrzahl von benachbarten Leiterdrähten gebildet ist, die durch eine gemeinsame isolierende, flache Hülle vereinigt sind, mit: erstens einem Block (1) aus Isoliermaterial, der einen Aufnahmeraum zur Aufnahme des Kabels aufweist, zweitens, einer vorbestimmten Anzahl von Kontaktelementen mit gabelförmigen, selbsttätig abisolierenden Anschlußfahnen (6), die in diesem Aufnahmeraum vorspringen, und drittens mit einem Deckel, der einen Drücker (14) bildet, der die Ausübung einer Kraft auf das Kabel zur Einführung der Drähte in die Anchlußfahnen gestattet, dadurch gekennzeichnet, daß der Drücker mit optischen Elementen vom Typ eines "konvergierenden Diopters" (32) ausgestattet ist, die gegenüber den selbsttätig abisolierenden Anschlußfahnen angeordnet sind, und zwar mit ihren optischen Achsen in Richtung der Anschlußfahnen orientiert, nach Einführen der Drähte in diese mittels des Drückers.
2. Verbinder nach Anspruch 1, dadurch gekennzeichnet, daß die konvergierenden Diopter aus sphärischen Linsen gebildet sind.
3. Verbinder nach Anspruch 1, dadurch gekennzeichnet, daß die konvergierenden Diopter aus Zylinderlinsen gebildet sind.
4. Verbinder nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, daß die konvergierenden Diopter in Deckeln befestigt sind, die in dem Drücker geschaffen sind.
5. Verbinder nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß der Drücker aus lichtdurchlässigem Material gebildet ist und die konvergierenden Diopter aus demselbep Material und aus demselben und einzigen durchgehenden Block gebildet sind.
6. Verbinder nach Anspruch 5, dadurch gekennzeichnet, daß der Drücker durch Bearbeitung geschaffen ist.
7. Verbinder nach Anspruch 5, dadurch gekennzeichnet, daß der Drücker durch Formen geschaffen ist.
8. Verbinder nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, daß der Drücker eine Mehrzahl von axialen Vorsprüngen (53) gegenüber den selbsttätig abisolierenden Anschlußfahnen aufweist.
9. Verbinder nach Anspruch 8, dadurch gekennzeichnet, daß die Vorsprünge die Form von geraden, im Querschnitt dreieckförmigen Wülsten haben.
10. Verbinder nach Anspruch 8, dadurch gekennzeichnet, daß die Vorsprünge kegelfömig sind.
EP78400244A 1977-12-30 1978-12-15 Bandkabelverbinder mit optischer Kontrolle Expired EP0002984B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7739772A FR2413807A1 (fr) 1977-12-30 1977-12-30 Connecteur a controle optique pour cable en nappe
FR7739772 1977-12-30

Publications (2)

Publication Number Publication Date
EP0002984A1 EP0002984A1 (de) 1979-07-11
EP0002984B1 true EP0002984B1 (de) 1981-04-01

Family

ID=9199537

Family Applications (1)

Application Number Title Priority Date Filing Date
EP78400244A Expired EP0002984B1 (de) 1977-12-30 1978-12-15 Bandkabelverbinder mit optischer Kontrolle

Country Status (5)

Country Link
US (1) US4217022A (de)
EP (1) EP0002984B1 (de)
JP (1) JPS5497795A (de)
DE (1) DE2860592D1 (de)
FR (1) FR2413807A1 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4927387A (en) * 1988-12-15 1990-05-22 International Business Machines Corporation Method and device for connection to wires in a flexible cable
JP2575030Y2 (ja) * 1991-09-30 1998-06-25 矢崎総業株式会社 圧接コネクタ
GB9203234D0 (en) * 1992-02-14 1992-04-01 Itt Ind Ltd Improvements relating to electrical connectors
US5295857A (en) * 1992-12-23 1994-03-22 Toly Elde V Electrical connector with improved wire termination system
US5551889A (en) * 1993-12-30 1996-09-03 Methode Electronics, Inc. Low profile insulation displacement connection programmable block and wire to board connector
US6019627A (en) * 1996-06-25 2000-02-01 Siemens Aktiengesellschaft Plug connector having a connecting cable
US6050845A (en) * 1997-11-20 2000-04-18 The Whitaker Corporation Electrical connector for terminating insulated conductors
JP2000215961A (ja) * 1999-01-21 2000-08-04 Harness Syst Tech Res Ltd 圧接の検査
US7550672B2 (en) * 2005-09-06 2009-06-23 Fci Americas Technology, Inc. Electrical connector and conductor assembly cover
US7371107B2 (en) * 2006-03-29 2008-05-13 Lotes Co., Ltd. Electrical connector
JP2011119059A (ja) * 2009-12-01 2011-06-16 Yazaki Corp 電線ホルダ
US9004937B2 (en) * 2012-08-30 2015-04-14 Zierick Manufacturing Corporation Surface mount/through-hole crimp piercing zipcord connector
US10186789B1 (en) 2018-04-13 2019-01-22 Rustcraft Industries LLC Keyed cable and connector system

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2503677A (en) * 1946-07-17 1950-04-11 Millard L Mchenry Indicator socket for devices in series connection
US3286223A (en) * 1964-05-18 1966-11-15 Itt Ferrule construction and a method for producing same
FR1537636A (fr) * 1966-09-27 1968-08-23 Minnesota Mining & Mfg Connecteur électrique
NL137793B (de) * 1967-06-05 1900-01-01
US3611247A (en) * 1969-08-11 1971-10-05 Hill Rom Co Inc Safety electrical plug
US3665367A (en) * 1969-08-20 1972-05-23 Martin Marietta Corp Side hole terminal
US3793611A (en) * 1972-03-02 1974-02-19 Minnesota Mining & Mfg Connector
FR2180554A1 (en) * 1972-04-18 1973-11-30 Bracht Armand Electrical extension lead - with integral lamp in a synthetic casing to indi-cate power continuity
US3994554A (en) * 1975-05-19 1976-11-30 Thomas & Betts Corporation Flat conductor flat cable adapter
US4030799A (en) * 1976-02-09 1977-06-21 A P Products Incorporated Jumper connector

Also Published As

Publication number Publication date
JPS5497795A (en) 1979-08-02
FR2413807B1 (de) 1980-08-22
EP0002984A1 (de) 1979-07-11
FR2413807A1 (fr) 1979-07-27
DE2860592D1 (en) 1981-04-23
US4217022A (en) 1980-08-12
JPS6138587B2 (de) 1986-08-29

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