WO2001095530A2 - Module de raccordement - Google Patents

Module de raccordement Download PDF

Info

Publication number
WO2001095530A2
WO2001095530A2 PCT/GB2001/002285 GB0102285W WO0195530A2 WO 2001095530 A2 WO2001095530 A2 WO 2001095530A2 GB 0102285 W GB0102285 W GB 0102285W WO 0195530 A2 WO0195530 A2 WO 0195530A2
Authority
WO
WIPO (PCT)
Prior art keywords
pair
terminals
connection module
wires
connection
Prior art date
Application number
PCT/GB2001/002285
Other languages
English (en)
Other versions
WO2001095530A3 (fr
Inventor
Juan Vives Clavel
Original Assignee
Mondragon Telecommunications, S.L.
Tyco Electronics Uk Ltd.
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 Mondragon Telecommunications, S.L., Tyco Electronics Uk Ltd. filed Critical Mondragon Telecommunications, S.L.
Publication of WO2001095530A2 publication Critical patent/WO2001095530A2/fr
Publication of WO2001095530A3 publication Critical patent/WO2001095530A3/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/02—Constructional details
    • H04Q1/14—Distribution frames
    • H04Q1/144—Plugs used in distribution frames
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/02—Constructional details
    • H04Q1/11—Protection against environment
    • H04Q1/116—Protection against environment lightning or EMI protection, e.g. shielding or grounding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/02—Constructional details
    • H04Q1/14—Distribution frames
    • H04Q1/146—Distribution frames with line protection means
    • 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
    • H01R4/2425—Flat plates, e.g. multi-layered flat plates
    • H01R4/2429—Flat plates, e.g. multi-layered flat plates mounted in an insulating base
    • H01R4/2433—Flat plates, e.g. multi-layered flat plates mounted in an insulating base one part of the base being movable to push the cable into the slot
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/02—Constructional details
    • H04Q1/028—Subscriber network interface devices

Definitions

  • the present invention relates to a connection module for telecommunication lines, such as telephone lines. More in particular, the present invention relates to a connection module for telephone wires, comprising a body, a pair of first terminals for contacting a first pair of wires, a pair of second terminals for contacting a second pair of wires and a connection unit for electrically connecting each first terminal to a respective second terminal, the connection unit being moveable relative to the body from a first position in which electrical connections between the first and second terminals are made to a second position in which said electrical connections are interrupted.
  • a connection module is disclosed in WO 95/23447 (Mondrag ⁇ n).
  • Connection modules of this kind are used for connecting, cutting off, testing and/or protecting telephone lines and similar telecommunication lines.
  • the module may be used to couple general network wires to service connection wires of a particular subscriber line. More in particular, possible functions of a connection module are: • connecting multipair wires of the general network to service connection wires (subscriber lines);
  • connection module disclosed in WO 95/23447 has a first and a second moveable wire holder, each of which may accommodate a pair of wires of a telephone line.
  • Each wire holder is provided with a screw to urge the holder towards the module body on which the wire terminals are mounted. This movement of the wire holders causes the wires to contact the terminals.
  • the connection unit for connecting and disconnecting the wires is separate from the wire holders.
  • connection module as defined in the preamble which is characterised in that moving the connection unit from the second to the first position causes the first terminals to contact the first pair of wires.
  • connection module of the present invention it is the movement of the connection unit rather than of a wire holder that causes the first terminals to contact the first pair of wires.
  • This arrangement removes the need for a first moveable wire holder, thus reducing both the number of parts and the dimensions of the connection module. In addition, the reduced number of parts makes the improved connection module more economical.
  • the first terminals are slideably arranged in the body. This allows the first terminals to be pushed towards the wires by the connection unit when it is moved towards the module body. It is noted that although the movement of the connection unit causing the contacting of the terminals is generally from the second position to the first position defined above, it is not essential for the connection unit to make or interrupt the electrical connections between the first and second terminals when moving the first terminals towards the first wires. The invention merely seeks to utilise the movement of the connection unit for contacting wires so as to be able to eliminate a moveable part.
  • the body is preferably provided with a first pair of openings for accepting the first pair of wires.
  • the first wire holder is integrated in the base of the connection module.
  • the first pair of openings is arranged in an inclined face of the body so as to facilitate the insertion of the first pair of wires.
  • a wire holder having a second pair of openings for accepting the second pair of wires is preferably movably arranged on the body so as to be able to move the second pair of wires towards the second terminals which are preferably mounted on the body.
  • the wire holder is provided with advancement means for advancing the wire holder towards the body and thereby causing the second terminals to contact the second pair of wires, the advancement means preferably comprising a screw.
  • the first terminals and/or the second terminals are preferably constituted by insulation displacement contacts (IDCs).
  • IDCs insulation displacement contacts
  • the movement of the wires relative to the terminals can advantageously be used for removing the wire insulation and forcing the wires between the conductive arms of each terminal.
  • An example of an IDC-type terminal is disclosed in WO 98/07214 (Raychem).
  • the movement of the connection unit and the wire holder may also be used to e.g. clamp wires from which the insulation has been removed beforehand.
  • the body is provided with an additional terminal which is contacted by the connection unit when in the said first position.
  • This additional terminal may be connected to ground.
  • the connection unit is provided with an over-voltage discharger, preferably a gaseous over-voltage discharger.
  • the over- voltage discharger may be connected between one of the first or second terminals and the additional terminal (ground).
  • connection module is provided with a removable spacer which prevents the connection unit from moving to the first position. Once the first wires are inserted, the spacer is removed and the connection unit is moved into the position (e.g. the above-mentioned first position) in which the first wires are contacted.
  • the spacer comprises two arms for fitting between the connection unit and the body of the connection module, and a tab extending from the connection module when the spacer is in place.
  • the spacer is provided with grooves and/or recesses to facilitate its removal.
  • the invention further provides a kit-of-parts for forming a connection module as defined above, and a spacer for use in such a connection module.
  • Figure 1 shows, in perspective, a connection module according to the present invention
  • Figure 2 shows, in side view, the partially disassembled connection module of Figure 1;
  • Figure 3 shows, in perspective, the arrangement of electrical terminals of the connection module of Figure 1;
  • Figure 4 shows, in side and partial cut-out view, the connection module of Fig. 1;
  • Figure 5 shows, in perspective, a spacer for use in the connection module of Figure 1.
  • connection module 1 shown merely by way of non-limiting example in Fig. 1 comprises a body 2 on which a connection unit 5 and a wire holder 6 are movably mounted. Both the connection unit 5 and the wire holder 6 can be removed from the body.
  • the body 2 is provided with a pair of first openings 17 for accepting a first pair of wires.
  • the wire holder 6 has a pair of second openings 18 (not shown in Fig. 1) for inserting a second pair of wires.
  • the wire holder 6 can be moved towards the body 2 by means of a screw 7. Releasable hooks 15 prevent the wire holder 6 from becoming accidentally dislodged.
  • a removable spacer 4 is located between the connection unit 5 and the body 2. To facilitate the removal of the spacer 4, it is provided with a groove 10 in which the end of a screw driver or similar tool can be fitted (see Fig. 5). A notch 20 protruding from the connection element 5 assists the tool in sliding the spacer 4 sideways (to the right in Fig. 1). Recesses 16 assist in the handling of the spacer when it is pulled out of the module.
  • the connection element 5 can be lowered onto the base 2, as will later be explained in more detail. Alternatively, the connection element 5 can be removed, as shown in Fig. 2, for example by pulling the knob 27. It is note that in the preferred embodiments it is not necessary to remove the spacer 4 in order to remove the connection element 5, only to bring the connection unit 5 closer to the body 2.
  • Fig. 2 shows first bridging terminals 11' and second bridging terminals 12' protruding from the body 2. These bridging terminals 11' and 12' are electrically connected to the first terminals 11 and second terminals 12 (not shown in Fig. 2) respectively, as will become apparent from Fig. 3.
  • connection module The electrically conducting parts of the connection module are shown in Fig. 3 without the base 2 and the connection unit 5 in which they are mounted.
  • a pair of first (wire) terminals 11 for contacting a first pair of wires is electrically connected to a pair of first bridging terminals 11 '.
  • a pair of second (wire) terminals 12 for contacting a second pair of wires is electrically connected to a pair of second bridging terminals 12'.
  • the bridging terminals are each integral with their respective associated first or second (wire) terminals, each having been made of a single piece of sheet metal. This is, however, not essential.
  • Each of a pair of bridging elements 23 may electrically connect a first bridging terminal 11 ' to a second bridging terminal 12'.
  • the bridging elements 23 are accommodated in the removable connection unit 5 (not shown in Fig. 3)
  • lifting and/or removing the connection element causes the first and second (wire) terminals to be disconnected.
  • lowering the connection element 5 onto the body 2 causes the connections to be established.
  • connection module of the present invention the height of the spacer 4 (see Fig. 1) is chosen such that the said connections are interrupted when the spacer is in place.
  • FIG. 3 Also shown in Fig. 3 is an additional bridging terminal 13' which is electrically connected to a ground terminal 13. This ground terminal 13 is in turn electrically contacts an electrically conducting plate 14 (preferably made of metal) which serves to shield against electromagnetic radiation.
  • a gas discharger (or other type of over-voltage discharger) may be connected to one or both of the bridge elements 23 and may contact the additional bridging terminal 13' when the connection unit 5 is in the said first position.
  • the first wire terminals 11 and the associated first bridging terminals 11 ' are slidably arranged in the body 2 of the connection module. This allows these terminals to be pushed down onto the first pair of wires 21 (see Fig. 4) and to contact these wires.
  • a first pair of wires 21 (which may be connected to a telephone exchange) can be inserted in the first openings 17 where they are contacted by the first terminals 11.
  • a second pair of wires 22 (which may be part of a subscriber line) can be inserted in the second openings 18 where they are contacted by the second terminals 12.
  • both the first (wire) terminals 11 and the second (wire) terminals 12 are so-called insulation displacement contacts (IDCs) which cut through the insulation of the wires as the terminals are pushed onto the wires.
  • the terminals may be provided with a thin layer of oil to prevent oxidation.
  • the spacer 4 shown in Fig. 5 comprises two arms 8 and a tab 9.
  • the arms 8 fit around the bridging terminals (see Fig. 3) and space the body 2 and the connection unit 5 apart.
  • the tab 9 is designed to protrude from the connection module so as to facilitate the removal of the spacer.
  • a groove 10 and recesses 16 are provided as explained above.
  • the spacer shown is found to be advantageous, the spacer may have a different design while still embodying the invention.

Abstract

Cette invention concerne un module de raccordement (1) pour lignes téléphoniques comprenant un corps (2), une paire de premières bornes (11) assurant le contact avec une première paire de fils (21), une paire de secondes bornes (12) assurant le contact avec une seconde parie de fils (12), et une unité de raccordement (5) destinée à relier électriquement chaque première borne (11) à une seconde borne (12) correspondante. Le module de raccordement peut se déplacer par rapport au corps (2) entre une première position dans laquelle la connexion électrique entre les premières et secondes bornes est établie et une seconde position dans laquelle la connexion électrique est interrompue. Le passage de l'unité de raccordement (5) de la seconde à la première position a pour effet d'établir le contact entre les premières bornes (11) et la première paire de fils (21).
PCT/GB2001/002285 2000-06-08 2001-05-23 Module de raccordement WO2001095530A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ESP200001448 2000-06-08
ES200001448 2000-06-08

Publications (2)

Publication Number Publication Date
WO2001095530A2 true WO2001095530A2 (fr) 2001-12-13
WO2001095530A3 WO2001095530A3 (fr) 2002-03-28

Family

ID=8493833

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2001/002285 WO2001095530A2 (fr) 2000-06-08 2001-05-23 Module de raccordement

Country Status (4)

Country Link
AR (1) AR028692A1 (fr)
PE (1) PE20020285A1 (fr)
TW (1) TW493300B (fr)
WO (1) WO2001095530A2 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3899236A (en) * 1974-06-24 1975-08-12 Amerace Corp Electrical connector
CA1176331A (fr) * 1983-11-18 1984-10-16 Northern Telecom Limited Connecteur pour conducteurs de telecommunication avec pieces de jonction incorporees
US5504654A (en) * 1991-09-23 1996-04-02 Minnesota Mining And Manufacturing Company Cross connect system for telecommunications systems
EP0711012A1 (fr) * 1994-02-25 1996-05-08 Plasticos Mondragon, S.A. Module ameliore pour effecteur la connexion et tester des lignes telephoniques
EP0911907A1 (fr) * 1997-10-21 1999-04-28 Pouyet S.A. Module d'interconnexion de deux lignes monopaires

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3899236A (en) * 1974-06-24 1975-08-12 Amerace Corp Electrical connector
CA1176331A (fr) * 1983-11-18 1984-10-16 Northern Telecom Limited Connecteur pour conducteurs de telecommunication avec pieces de jonction incorporees
US5504654A (en) * 1991-09-23 1996-04-02 Minnesota Mining And Manufacturing Company Cross connect system for telecommunications systems
EP0711012A1 (fr) * 1994-02-25 1996-05-08 Plasticos Mondragon, S.A. Module ameliore pour effecteur la connexion et tester des lignes telephoniques
EP0911907A1 (fr) * 1997-10-21 1999-04-28 Pouyet S.A. Module d'interconnexion de deux lignes monopaires

Also Published As

Publication number Publication date
WO2001095530A3 (fr) 2002-03-28
TW493300B (en) 2002-07-01
PE20020285A1 (es) 2002-05-09
AR028692A1 (es) 2003-05-21

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