WO1993003514A1 - Accessoire de pose de cables de derivation d'installations interieures - Google Patents

Accessoire de pose de cables de derivation d'installations interieures Download PDF

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Publication number
WO1993003514A1
WO1993003514A1 PCT/CH1992/000147 CH9200147W WO9303514A1 WO 1993003514 A1 WO1993003514 A1 WO 1993003514A1 CH 9200147 W CH9200147 W CH 9200147W WO 9303514 A1 WO9303514 A1 WO 9303514A1
Authority
WO
WIPO (PCT)
Prior art keywords
terminal
adapter
branch
aid according
cable
Prior art date
Application number
PCT/CH1992/000147
Other languages
German (de)
English (en)
Original Assignee
Alwin Stoll Kabelkonfektion Ag
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 Alwin Stoll Kabelkonfektion Ag filed Critical Alwin Stoll Kabelkonfektion Ag
Publication of WO1993003514A1 publication Critical patent/WO1993003514A1/fr

Links

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
    • 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
    • H01R9/24—Terminal blocks
    • H01R9/26—Clip-on terminal blocks for side-by-side rail- or strip-mounting
    • 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
    • H01R4/28—Clamped connections, spring connections
    • H01R4/30—Clamped connections, spring connections utilising a screw or nut clamping member
    • H01R4/36—Conductive members located under tip of screw
    • H01R4/363—Conductive members located under tip of screw with intermediate part between tip and conductive member
    • 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
    • H01R4/28—Clamped connections, spring connections
    • H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member

Definitions

  • a wide variety of electrical and electronic devices and machines are available to people today for work at home and for work, as well as for leisure activities. These include electronic computers, household appliances, lighting devices, consumer electronics devices, telephones, to name but a few examples. If these aids are required in the interior of a building, lines must be laid in the building to supply these devices. These can be power lines for the energy supply of the devices or lines for data transmission and communication.
  • the cables should meet the following conditions: They should be easy and quick to install. In addition, subsequent installations on the installed line should be possible. In particular, you should be able to easily install new branches on the installed pipe. It is possible to install pipes made of plastic or another suitable material in the building walls and then to pull the lines into these pipes. If the lines are laid in this way, they are difficult to access. Before installation, it must therefore be planned exactly at which points in the building a connection or a branch is required.
  • line routing channels throughout the house, which can accommodate all the lines.
  • These channels can be designed as parapet, wall, floor or ceiling channels. It is important here that the channels are installed so that they are easily accessible and that they are routed wherever connections are required. In addition, you should be able to open the channels easily so that the lines are also easily accessible.
  • junction boxes for flat cables, with the aid of which a branch can be set up without the flat cable having to be cut and stripped at the connection point.
  • These junction boxes consist of a connection block that is pushed onto the flat cable.
  • the flat cable contains five defined, insulated copper stranded conductors.
  • the connection block is provided with five contact point screws. These contact point screws are arranged in such a way that when tightened after penetrating the cable insulation they meet one of the copper stranded conductors of the flat cable and thereby establish a conductive connection.
  • connection block If all the desired lines are fastened to the connection block, it is protected from accidental contact with the metal parts by a cover hood.
  • This device is very easy to install. However, it is not suitable for round cables and is not considered a "fixed installation" in certain European countries. Up to now there have been no sensible cabling aids for round cables for branches, which in a similar way allow time-saving pre-assembly.
  • a further known possibility consists in first leading the line to a junction box, from where connecting cables for several sockets or consumers then leave in a star shape.
  • the object of the invention is to create a device with the aid of which branches for electrical fittings can be easily pre-installed or subsequently installed in installed electrical house installation lines, even with round cables.
  • the cabling aid consists of a branch terminal block 8, to which the individual stranded wire 16 of an interrupted, multi-core cable 18 can be connected, and of various adapters 3A, 3B, 3C, 3D, which are inserted into the branch terminal block 8 and screwed to it .
  • the single-strand sheath 17 of the branching line 19, which leads to an electrical fitting 20, is connected to the adapters 3A, 3B, 3C, 3D. Show it:
  • Fig. 1 Running in a parapet duct, consisting of a five-wire round cable with a branch realized by means of a wiring aid 2 cross section of a cabling aid broken down into its three main components (adapter, branch terminal block, mounting rail)
  • Fig. 5B plan view of the wiring aid with inserted adapters to illustrate the location of the four under ⁇ retired union adapters in the branch terminal block •
  • Fig. 7 cross section through the clamp system for the attachment of the single stranded wire with drawbar and captive drawbar screw in the open position (7A) and in the closed position (7B)
  • FIG. 8C Schematic representation of a spring-loaded system clamp with a clamped single stranded wire
  • the branch terminal block 1 is equipped on two opposite sides with at least five terminal systems 11 each in a row, into each of which a single stranded wire 16 of the multi-core cable can be inserted and fixed. Two opposing terminal systems 11 are connected to each other by a conductive terminal web 13 which runs inside the branch terminal block 1.
  • the branch terminal block 8 in the case described here consists of two terminal blocks 1, 2, which together form a unit.
  • the wide terminal block 1 has connections for three conductors L1, L2, L3, the neutral conductor N and the grounding E
  • the narrow terminal block 2 has connections for two control wires Pl, P2.
  • the narrow terminal block 2 can have the same cross-sectional outline as the wide terminal block 1 and can be lined up at the side thereof.
  • Both terminal blocks 1, 2 have a foot 9, which is provided on its underside with a recess 21 which enables the terminal blocks 1, 2 to be snapped onto a DIN 35 mounting rail.
  • the shape of the underside 21 of the foot can also be adapted to other apparatus-rail fastening systems which are common in line duct systems.
  • the latching mechanism can consist of a slide 15 which engages under the flange 23 of the mounting rail 12 when it is advanced.
  • the terminal blocks 1, 2 have a shaft 24 in their upper part, into which various adapters 3A, 3B, 3C, 3D can be inserted.
  • the terminal webs 13, which each connect two opposing terminal systems 11 in the terminal blocks 1, 2, protrude with a short upwardly curved section 25 through an opening 26 in the shaft floor into the shaft 24.
  • the side shaft wall 27, which is further removed from this opening 26, has a specially shaped profile 28.
  • This profile 28 represents a backdrop coding, which guarantees that each of the four different adapters 3A, 3B, 3C, 3D exclusively in the position provided for it can be used in the shaft 24.
  • the adapter wall 29, which bears against the shaft wall 27 with this special profile 28 when the adapter 3A, 3B, 3C, 3D is inserted into the shaft 24, also has a special profile 30A, 3OB, 30C, 30D, which extends to the profile 28 the shaft wall behaves like a positive to a negative.
  • An adapter 3A, 3B, 3C, 3D can therefore only be inserted into the slot 24 at the point whose wall profile 28 matches the wall profile 30A, 3OB, 30C, 30D of the adapter.
  • three different adapters 3A, 3B, 3C are provided: a five-pole, a three-pole and a two-pole.
  • the five-pin adapter 3A has the following connections for the branching cable 19:
  • the first connection is for a conductor L1
  • the second connection for the neutral conductor N the third connection for grounding E?
  • the fourth and the fifth connection are ultimately intended for two further conductors L1, L2.
  • the adapter 3A can be inserted unmistakably into the shaft 24 only at that point which has the same connections L1, H, E , L2, L3 in the identical order (three-phase connection).
  • the same principle applies to the other adapters 3B, 3C, 3D. This guarantees that, provided that the individual stranded wires 16, 17 are correctly connected to the adapters 3A, 3B, 3C, 3D and to the terminal blocks 1, 2, when the adapter 3A, 3B, 3C, 3D is inserted, the conductors of the branching cable 19 are automatically assembled with the associated, correct conductors of the base cable 18.
  • the three-pole adapter 3B is equipped with a first connection for a conductor L1, a second connection for the neutral conductor N and a third connection for grounding E (single-phase connection).
  • the 2-pole adapter 3C has two connections for one each additional conductors L2, L3 on (extended phase connection).
  • Another two-pole adapter 3D can only be screwed into the narrow terminal block 2 as a control wire adapter with the connections P1, P2 due to its coding.
  • a conductive, captive terminal web 10 runs downward and occurs on the underside 33 of the adapter at the point which, when the adapter 3A, 3B, 3C, 3D is inserted, of the base opening 26 of the terminal block.
  • This conductive terminal web 10 runs there over a distance along the underside of the adapter.
  • the conductive terminal web 13 which connects two opposing terminal systems 11 of the terminal block to each other with an upwardly curved section 25, projects through this shaft bottom opening 26 into the shaft 24, it is also present when the adapter 3A, 3B, 3C, 3D is inserted the conductive terminal web 10 of the adapter in contact. There is thus a conductive connection between the individual stranded wire 16 fastened in opposite terminal systems 11 of the terminal block and the single stranded wire 17, which is fixed in the corresponding conductor receiving space 31 of the adapter.
  • the terminal webs 10 of the adapters are screwed onto the terminal webs 13 of the terminal blocks 1, 2 by means of captive connecting screws 4 which are protected against contact.
  • These connecting screws 4 are captively seated in bores which are attached to that part 34 of the adapter terminal webs 10 which runs along the bottom 33 of the adapter.
  • the connecting screws 4 can be screwed into threaded holes in the terminal webs 13.
  • the screw belonging to the earth is consciously longer by a certain length than the neighboring screws, where is achieved that the Erds ⁇ hraube must first be screwed in before the other screws can be screwed in.
  • the slots of the screw heads 35 can only be reached with a screwdriver through screw shafts 36 which run from the upper side 37 of the adapter parallel to the outer side walls 38 of the adapter to the lower side 33 of the adapter.
  • the shaft part above each screw head 35 is so narrowed that the connecting screws 4 cannot slide out of the shafts 36.
  • the contacts on the terminal web 34 can also be equipped with plug pins which, in accordance with the regulations, fit into the bores of the terminal web 13, 25 in a corresponding contact form and which ensure perfect current conduction guaranteed to reach into it.
  • Clamping systems 11 are provided for the attachment of the single strand sheath 16, 17, which consist of a frame-shaped tension bow with a rectangular cross-section 14, on the upper wall 39 of which a threaded hole for a captive screw 7 is provided. If the screw 7 is turned clockwise through the thread in the drawbar 14, the drawbar 14 approaches the underside of the screw head.
  • These terminal systems 11 are accommodated in the adapters 3A, 3B, 3C, 3D and terminal blocks 1, 2 in special chambers 40.
  • these chambers 40 run from the adapter side wall 41, which is further away from the screw shafts 36, parallel to the adapter underside 33 into the interior of the adapter and cross with the foremost part of the conductor receiving spaces 31 for the individual stranded wire 17
  • the terminal systems 11 are inserted into the chambers 40 in such a way that the tension clamps 14 lie in the area of the conductor receiving spaces 31 and the surface 42 of the drawbar side walls run parallel to the vertical walls 43 of the conductor accommodation spaces, so that the conductive terminal web 10 of the adapter passes through the Drawbar 14, between the upper drawbar walls 39 and the lower drawbar walls runs through 44.
  • the screw 7 extends from the drawbar 14 to the outside.
  • the single strand sheath 17 of the cable is inserted into the conductor receiving spaces 31, between the lower drawbar walls 44 and the conductive terminal webs 10. If the screws 7 are turned clockwise, the individual stranded wires 17 are clamped between the conductive terminal webs 10 and the lower tie bar walls 44.
  • the chambers 40 are arranged on both sides of the adapter shaft 24. They run from the top of the terminal block 45, parallel to the adapter shaft walls 27 to the base 9 of the terminal blocks.
  • the terminal webs 13 protrude with their two ends into two opposite chambers 40.
  • the clamp systems 11 are inserted into the chambers 40 such that the drawbars 14 lie in the lower region of the chambers and the surfaces of the lower and upper drawbar walls 44, 39 are always perpendicular to the side walls of the shaft, so that the clamp webs 13 extend through the drawbars 14, between the two drawbar walls 39, 44.
  • the screws 7 extend from the tie bars 14 upwards.
  • the chambers 40 are open laterally towards the outside in their lower region.
  • the single strand sheath 16 of the cable is inserted into these lateral openings 46 for fastening. They are then clamped between the lower drawbar wall 44 and the terminal web 13 by turning the screws 7 clockwise.
  • the axial pressure can be generated by means of a spindle pivot bolt mechanism.
  • a spindle pivot bolt mechanism With the help of this mechanism, the rotary movement of a screwdriver can be converted into an impact force, so that the axial pressure on the spring 48 can be exerted in a metered manner by rotating the screwdriver.
  • This mechanism also has the advantage that the spring 48 can be temporarily held in this position when it is fully depressed. You then have both hands free for inserting the single stranded wire 16, 17.
  • Both the terminal blocks 1, 2 and the adapters 3A, 3B, 3C, 3D can be provided with a label that is customary for terminals.
  • Slit-shaped strain relief holes 6 can be made both in the terminal blocks 1, 2 and in the adapters 3A, 3B, 3C, 3D.
  • they can additionally be fixed by means of strap straps which are pulled through two tension relief holes 6 each.
  • the conductor receiving spaces 31 for the individual stranded wires 17 of the three conductors L 1, L 2 , L 3 which are possibly provided with brass sleeves are dimensioned for 2.5-4 mm 2 .
  • the conductor receiving spaces 31 for the earthing E and the neutral conductor N are dimensioned such that one to three single stranded wires 17 of 2.5 mm 2 , possibly provided with brass sleeves, can be inserted.
  • the conductor receiving spaces 31 in the narrow adapter 3D for the control cables P1, P2 are designed for a maximum of 1.5 to 2.5 mm 2 .
  • the receiving openings 46 of the terminal blocks can be designed for 1.5 mm 2 to 4 mm 2 .
  • Terminal blocks 1, 2 and adapters 3A, 3B, 3C, 3D are made of thermosetting or thermoplastic.
  • the conductor sections, the terminal webs 13, 10, the tension bracket 14 and the connecting screws 4 or the necessary connector pins are made of a good electrical conductor material.
  • Stainless steel is selected for the tie-rod screws 7, so that the design of the entire wiring aid can be considered to be stainless.
  • the cabling aid can also be produced as an explosion-proof version.
  • the cabling aid according to the invention for branch points in house installations has significant advantages over previously known auxiliary devices and auxiliary methods.
  • With the cabling aid it is possible to install branches in already laid, twisted, low-capacitive-inductive round cable lines, but also in previous capacitive-inductive, less friendly flat cable lines by means of a perfect terminal bridge screw connection.
  • branches can now also be produced for higher current loads according to the proven system.
  • the usual cable insertion work in cable duct systems, such as parapet, wall, floor and ceiling ducts, are therefore independent of the positions of the sockets and other electrical fittings. This has never happened before.
  • the installation of the sockets always had to be done in the same operation as the laying of the lines.
  • the adapter 3A, 3B, 3C, 3D which is delivered later with an electrical fitting (for example a socket), can be screwed unmistakably into the terminal block. This means that all sockets and all other electrical fittings, separated from the assembled channel system, can be pre-assembled using adapters and the corresponding stranded cable.
  • the special link coding 28, 30A, 30B, 30C, .30D, the touch-proof screws 4 and the special arrangement of the terminal section 5 on the adapters guarantee a high level of security.

Landscapes

  • Connections Arranged To Contact A Plurality Of Conductors (AREA)

Abstract

Un accessoire de pose de câbles permet de relier des câbles (18) (même des câbles ronds) déjà posés d'une installation intérieure à un câble de dérivation (19) qui mène à un bloc électrique (20). A cet effet, le câble posé (18) est coupé, les deux câbles (18, 19) sont électrotechniquement épissés et interconnectées. L'accessoire de pose de câbles comprend un bloc (8) de serrage de dérivation composé de deux blocs de serrage (1, 2). Les blocs de serrage (1, 2) comprennent un passage (24) dans lequel peuvent être vissés (4) au juste endroit, sans risques d'erreurs, des adaptateurs à cinq, trois ou deux pôles (3A, 3B, 3C, 3D) au moyen d'un code spécial de liaison à coulisse (28, 29, 30A, 30B, 30C, 30D). Les conducteurs individuels (16) du câble coupé (18) sont serrés des deux côtés des blocs de serrage (1, 2) par des systèmes de serrage (11), les deux étriers opposés de serrage à traction (14) de chaque paire d'étriers de serrage opposés étant interconnectés de manière conductrice par une barrette de serrage (13). Les conducteurs individuels (17) du câble de dérivation sont assujettis par des systèmes de serrage (11) faisant partie des adaptateurs (3A, 3B, 3C, 3D). Ils y entrent en contact avec une barrette conductrice de serrage (10) qui est en contact avec la barrette de serrage correspondante (13) du bloc de serrage lorsque les adaptateurs (3A, 3B, 3C, 3D) sont vissés.
PCT/CH1992/000147 1991-07-29 1992-07-16 Accessoire de pose de cables de derivation d'installations interieures WO1993003514A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH2258/91A CH682271A5 (fr) 1991-07-29 1991-07-29
CH2258/91-8 1991-07-29

Publications (1)

Publication Number Publication Date
WO1993003514A1 true WO1993003514A1 (fr) 1993-02-18

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ID=4229576

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CH1992/000147 WO1993003514A1 (fr) 1991-07-29 1992-07-16 Accessoire de pose de cables de derivation d'installations interieures

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CH (1) CH682271A5 (fr)
WO (1) WO1993003514A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2708385A1 (fr) * 1993-07-28 1995-02-03 Entrelec Sa Bloc de jonction électrique.
FR2723265A1 (fr) * 1994-07-29 1996-02-02 Cab Sa Borne de connexion electrique
EP0871246A2 (fr) * 1997-04-07 1998-10-14 Weidmüller Interface GmbH & Co. Bloc de bornes de connexion en série

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2936376B1 (fr) * 2008-09-22 2011-01-14 Frederic Michel Yves Raymond Dispositif permettant un raccordement multiple de fils electriques sur borne modulaire a connection rapide

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1714894U (de) * 1954-09-28 1956-01-12 Siemens Ag Reihenklemme.
FR2116812A6 (fr) * 1970-12-08 1972-07-21 Entr Electr Cie Gle
GB1584638A (en) * 1978-05-18 1981-02-18 Glyben Automation Ltd Multiway connector and screening partition

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1714894U (de) * 1954-09-28 1956-01-12 Siemens Ag Reihenklemme.
FR2116812A6 (fr) * 1970-12-08 1972-07-21 Entr Electr Cie Gle
GB1584638A (en) * 1978-05-18 1981-02-18 Glyben Automation Ltd Multiway connector and screening partition

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2708385A1 (fr) * 1993-07-28 1995-02-03 Entrelec Sa Bloc de jonction électrique.
FR2723265A1 (fr) * 1994-07-29 1996-02-02 Cab Sa Borne de connexion electrique
EP0871246A2 (fr) * 1997-04-07 1998-10-14 Weidmüller Interface GmbH & Co. Bloc de bornes de connexion en série
EP0871246A3 (fr) * 1997-04-07 2000-02-02 Weidmüller Interface GmbH & Co. Bloc de bornes de connexion en série

Also Published As

Publication number Publication date
CH682271A5 (fr) 1993-08-13

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