CA2206377A1 - Method and device for rapid interconnection of two electric cables - Google Patents
Method and device for rapid interconnection of two electric cablesInfo
- Publication number
- CA2206377A1 CA2206377A1 CA002206377A CA2206377A CA2206377A1 CA 2206377 A1 CA2206377 A1 CA 2206377A1 CA 002206377 A CA002206377 A CA 002206377A CA 2206377 A CA2206377 A CA 2206377A CA 2206377 A1 CA2206377 A1 CA 2206377A1
- Authority
- CA
- Canada
- Prior art keywords
- cable
- plate
- wires
- box
- points
- 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.)
- Abandoned
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
- 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
-
- 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
- H01R12/61—Fixed connections for flexible printed circuits, flat or ribbon cables or like structures connecting to 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
- H01R12/50—Fixed connections
- H01R12/59—Fixed connections for flexible printed circuits, flat or ribbon cables or like structures
- H01R12/63—Fixed connections for flexible printed circuits, flat or ribbon cables or like structures connecting to another shape 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
- 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
- H01R4/2404—Connections using contact members penetrating or cutting insulation or cable strands the contact members having teeth, prongs, pins or needles penetrating the insulation
- H01R4/2406—Connections using contact members penetrating or cutting insulation or cable strands the contact members having teeth, prongs, pins or needles penetrating the insulation having needles or pins
-
- 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
Abstract
This invention relates to a device for rapidly connecting a user cable on a conductor cable, particularly on ships.
It is composed of two interfitting half-boxes each receiving one of the two cables to be interconnected, and which imprison an intermediate plate fitted with double points for interconnection by piercing of the insulation, these points being fast with this plate in which they are integrated in advance when it is constructed in the factory.
It is composed of two interfitting half-boxes each receiving one of the two cables to be interconnected, and which imprison an intermediate plate fitted with double points for interconnection by piercing of the insulation, these points being fast with this plate in which they are integrated in advance when it is constructed in the factory.
Description
CA 02206377 1997-0~-28 FIELD OF THE I~VENTION
The present inventioll relates to a method and a device for rapid inter-conllectioll of two electric cables, for example for producing comlectiolls of lightillg poillts along a ship's passageway or for producing points of electrical 5 conllectioll ill tlle illdustrial, service, building, lighting, etcsectors.
BACKGROUND OF THE INVENTION
A ship is nollllally equipped witll very numerous pelmallellt li~llting points. It is ill that case necessary to be able to distribute the electrical energy at a pl~lrality of points whicll are for example distributed all along the same passageway, from the same three-conductor cable which passes through this passageway. In order to carry out certain localized work, it is also necessary to be able to be connected in parallel on this cable, temporarily and at any usefulspot.
The techllique employed at the present time consists in providing a successioll of sections of cable which are attached high up all along the passageway and wllose two ends hang down as far as man's heigllt, for example.
To product lightillg pOilltS, the adjacent ends of two consec-ltive cable sections are thell each colmected on a linkage com1ector, following which the electric bral-cll cable is conllected on this comlector.
Tllis knowll techllique is expensive to exploit, both in material and in manpower costs.
Rapid conllectors exist in the present state of the art, for example in accordance with document FR-A-2 720 551, which are fitted with so-called insulation displacing col1nection contaGts or IDC's. The application of such connectors is lilnited as they can be used only with cables whose wrapped wires are spaced apalt from one anotller7 without which a metallic IDC contact might, whell it is mounted on a conductor, also touch the core of the adjacent wrapped wire, which would then create a short-circuit between these two wires.
Document US-A-4 352 537 may also be cited as prior art in the domain of telepllony. This document discloses a device for intercollllectiol1 between 5 telepllone cable strands. In order to conllect each strand of a first cable, a flat metal contact whicll comprises two series of double points must be inserted in arespective slot of a comlnoll plate. Conllectioll to tlle wires of the otller cable is tllen effected with the aid of a common comlection pusllel- whicll may slide aloguides provided to that end. Tlle use of this device in practice is delicate and10 therefore unsuitable for work having to be cal~-ied O~lt at an industrial lythm and Oll an industrial scale.
It is an object of the present invention to overcome these drawbacks SUMMARY OF THE INVENTION
To that end, it relates to a method for intercomlectioll of two multi-strand 15 cables intended for the distribution of eleckical energJy, including:
- a first, input, cable which comprises a plurality of active wires which, in projection Oll at least one plane, are parallel to one another, these wires being surroullded by a common sheath which is the outer sheath of this input cable, - alld a seGond, O~ltpUt, cable wllich colnprises actiYe wires ill registel- witl 20 those of the first cable, characterized in that it consists in comlecting each active wire of the input cable to the conjugate active wire of the output cable by means of an assembly of double metal points which are incorporated in a common support plate in which they are illtegrated in advance, during construction of this plate in the factory, CA 02206377 1997-0~-28 each of these metal points being adaptted to effect tlle so-called "varnpire"
connection of a wrapped electric wire (i.e. connection by piercing of its insulating sheatll until its metal core is reached), and each double point compIising two of sucll points electrically conllected S together, of whicll a first point is promillellt on a first face of tlle plate wllicll is thell directed by tlle operator towards tlle active wil-es of the first cable, and a second pOil~t prominent on tlle othel face of this plate wllic~l is collsequelltly directed by tlle operator towards the conj-lgate active wires of tlle other cable, in order to e~,ect, by a relative displacemellt of all the plate witll respect to eacll of 10 the two cables which makes simultalleous "vampire" comlectiolls for tlle strands of each of them, the desired interconMection of these two cables The invelltion also relates to a device for carrying out this method, this device for the intercolmection of two multi-strand cables for distributing electrical energy being characterized in that it is composed of:
- a box made in two interfitting halves, viz. a first half wllich receives the output cable and a second half which at least serves as colulectioll pusller of the input cable, - and an intermediate intercomlection plate which is positioned in the box between tlle two cables tllell superposed ill tllis box, 20 this plate therefore comprising, in a number at least equal to tlle !lumber of pairs of wires to be respectively comlected (viz. per pair of wires, a wire of the first cable and the conjugate wire of the second cable~, one or more pairs of metal points which are perrnanently incorporated in this plate and whicll are each adapted to make the so-called "vampire" comlection of a wrapped electric wire 25 (i.e. comlectioll by piercing of the illsulating sheatll until its metal core is reached~, and each pair of points tllerefol e comprising two pOilltS electrically connected together, viz. a first point prominernt Oll a first face of the plate and a second point prominent in the opposite direction Oll the second face of the plate, this first pOillt effectillg, by pressure, tlle vampire conllectioll of the wires of the first cable and tllis second pOillt effecting, by pressure, the vampire connectioll of 5 the conjugate wires of the other cable.
~ Said box is advantageo-lsly shaped so that the uppel half-box may also serve as vampire conllectiol- pusller of tl-e OUtpllt cable ~llell the assembly of tlle box incorporating the plate is closed.
BRIEF DESCR~PTION OF THE DRAWINGS
The inventioll will be more readily understood Oll reading tlle following description with reference to the accompanyillg drawings, in which:
Figure I sllows the device of the inventioll installed on an electrical energy , distribution cable, or illpUt cable, to create at that spot a permanent or temporary lighting pOillt.
Figure 2 shows this sa1ne intercomlectioll device ill an exploded pers-pectlve view.
Flgure 3 is a view in perspective of that face of tlle intermediate inter-comlectioll plate which is not visible in Figure 2.
Figure 4 is a plan vlew of tlle lower bo~; of Figure 3, showillg how tlle 20 lighting cable, or output cable, is placed in pOSitiOIl in this box.
Figure 5 which is a vie~,v similar to Figure 4, and Figure 6 which is a transverse section ofthis Fi~re 5, show how this illtermediate plate is installed in this lower box.
Figures 7 to 10 show how this device is thell used for making this lighting 25 point by col~lecting on a conductor cable, arriving at the result shown schematically in Figure 1.
CA 02206377 1997-0~7-28 DESCRIPTION OF PRlEFER~ED EMBODIMENT
Referring now to the drawings, and firstly to Figures I to 6, reference I
designates a conductor cable whicll convelltionally passes through a ship's passageway in order to distribute electrical energy, temporarily or permanelltly, at S a plurality of selected spots.
The cable is typically flat, of the "bus" type, wllicll comprises, in its illsulating sheath, tl~ree coplallar cond~lctol- wires tl-elnselves respectivelyprotected by their insulatillg sheath. This cable I is clearly visible in Figure 2 and is available on the market.
The device of the inventioll, here generally designated by reference 2, takes the electrical energy from the conductor cable I to distribute it towards a usermember, here a lamp 3 for illumination whicll is connected at the free end of a lightillg cable 4, having a lengtll chosell as a function of the point of use, viz.
typically of some meters. Tlle lamp 3 is for example a portable lamp which it isdesired to colmect at that pOillt in order to have light to carry out work.
Like the conductor cable 1, the lighting cable 4 is a cable incorporating three wrapped wires, viz. two conductor wires and one earth wire. It should be noted that this cable 4 does not need to be a flat cable to carry out the invention alld, ill tl~e present case, it is tl-ete~ore a tllree-wile cable of circular section.
The interconnection device 2 comprises a box 5 which is formed by two interfittillg halves, viz. a first box half 6 whicll receives the output cable 4 and a second box half 7 which, as will be seen hereinafter, serves as receptacle and comlection pusher of the conductor cable or input cable 1 Furthermore, an intermediate plate 8 is provided (cf. Figures 2 and 3~
which is positioned in the box 5, between the two cables I and 4 thell superposed in this box.
Tllree grooves 9, 10, 11 for positioning the ends of the three wrapped wires 12, 13 14 (Figure 4) of the output cable 4 equip the i1mer part of the first box half Ol lowér half 6 A stuffillg box 15 holds tlle cable 4 where it enters tlle box llalf 6 Tlle end part of the cable 4 wllicll penetrates in the r eceptacle 6 has been previously stripped of its o~lter sheatll in ordel to fiee tlle tllree wrapped wires 12, 13, 14 Tlle plate 8 is designed to be intlodllced very precisely in tlle box llalf 6 alld its lower face (cf Figure 3) is collsequently provided with gllidillg studs 16 and bars 17 ,for holding the wires, ~nd with insulation ribs 171, whicll cooperate 10 with conjugate female forms provided to that end in the box half 6 In addition, feet 18 and clipping tabs 19 ensure firm, positive positioning of tllis plate 8 in the lower box half 6 Similarly, the il~ler part of the otller box half, or upper half box 7, is i~tted with pOSitiOIIillg catches 20 whicll cooperate with conjugate cavities 21 made ill 15 colutnns 22 fast with the other face, or upper face in the drawings, of the plate 8 Tlle half boxes 7 and 6 are respectively.provided with conjugate tabs and bottomless cavities 23, 24 for clipping, v~hicll ensure closure of half-box 7 Oll half box 6, finnly imprisoning tlle intermediate plate 8 as well as the lower cable 4 alld tlle ~Ipper cable 1 On one side of the lower half-box 6 are located two slidevvays 25 adapted to receive, as will be seen hereinafter, t~,vo shaft ends 26, borne by a lateralcolumn 27 of tlle half box 7, the assembly allowing the lower half box 6 to makea movement of rotation about axis 26, followed by a movement of translatioll along slideways 25, in order finally to ensure closure of the box 5 in accordance 25 witll Figrure 1, as will be described hereina~er - CA 02206377 1997-0~-28 .
Various me1nbers, such as conjugate grooves 28, 29 and guide plates 30 ensure correct positioning of the input cable I in the box 5 and sealing members 31 are even provided, where this cable I enters and leaves the box 5, to avoid pollution or penetratioll of humidity in the inller part of tllis box once tlle 5 connectioll is ef~ected.
- In accordance witll all essential aspect of the invelltioll, the plate 8 is fitted with tllree metallic double points 32, 33, 34 wllich are incolporated in advallce, i.e. during constructioll of the plate 8 in the factoly, in whicll plate 8 they are therefore pennallelltly integrated,.so that, for each of these double points, one POint PIOjeCtS upwardly On the upper face of the plate 8, according to Figure 2,while the opposite coaxial pOillt projects downwardly on the lower face of the plate 8, according to Figure 3.
These pOilltS, which are therefore comlected in advance to the plate 8, during constructioll thereof in the factory, and which are therefore integral 15 therewith, are each adapted to ensure the "vampire" comlection, i.e. by piercing the insulation, Oll the one hand, of the three wires 12, 13, 14 thanks to the lower pOilltS, and, Oll the otller hand, of the three respective conjugate wires of tlle cable I thanks to the corresponding upper points.
Figules 4, 5, 6 show how, ill accordallce with olle of tlle multiple possi-20 bilities of implementation of the invention, the end, previously strlpped of itsouter sheath, of the cable 4 is positioned (Figure 4), then (Figures S and 6), l10W
the plate 8 is introduced by force in the lower box 8, which causes the needles 32, 33, 34 to penetrate in the respective wrapped wires 12,13,14, these needles thenbeing electrically comlected to these wires. This f;rst action may be carried out 25 either in the worlcsllop or on the site, wllicll in that case enables the cable 4 to be cut exactly to the required length.
At this stage, the lower part of the co~1ection device 2 of the invention is - ready to be installed in situ and com1ected to the chosen point on the conductor cable l.
Such com1ectioll in sitll is effected as follows (cf. Figures 7 to lO in tl-is respect~.
The uppel half-l)ox 7 is fil-stly (Fig~u-e 7) positively placed in position, thal1ks to its gllide melIlbel-s 28, ~0 melltiol1ed above (Figule 2), astride the cond~lctor cable 1. Thell still accordillg to Figure 7, the l1alf-box 6, fitted according to Figure 6 with the cable 4, is turned througl1 90~ in the direct sense in order to present the openil1gs 35 of the slideways 25 opposite the shaft ends 26.
According to Figure 8, these slideways are tllen introduced completely around these two shaft ends, with the result that, f1nally, tl~e lower half-box 6, still fitted with the cable 4, may rotate as indicated about axis 26 in order, according to Figure 9, to be positioned exactly below and plutnb with tlle upper half-box 7.
In a variant, the com1ector may be delivered with parts 6 and 7 assembled Ol1 the grooves 35 and the shafts 26, whicl1 avoids the preceding steps.
According to Figures 9 and lO, the lower half-box 6 is then subjected to an upward vertical translation to bling it closer to the upper llalf-box 7 and fit it fimlly thel-eill.
Durin~ this operation, the slideways 25 slide along the lateral column 27, guided by the two shaft ends 26, and the clipping tabs 23 penetrate in their conjugate bottomless cavities 24.
At the end of passage (Figul-e lO), the three upper points 32, 33, 34 pierce the cable l and are respectively connected, by piercing of the insulation, on its three wires, of which they thel1 ens-lre positive interconl1ection with their three conjugate wires 12, 13, 14 of the lower cable 4.
It should be noted that the lower cabl~ 4 may be of any type, provided that it conti~ins the desired number of useful conductors. On the other hand, the pOilltS
32-34, the plate 8 which bears them, and the inner structure of the upper half-box 7 Ill-lSt be adapted to the morpllology of the cable 1, and in particular to the5 an-allgemellt of the useful wires that it contaills.
It goes without saying that the invelltioll is not limited to the embodilllellt whicl) has just been described.
Tlle bearing Oll the intennediate plate 8 to conllect tlle output cable 4 lllay also be effected by closing the bo-x 5 with the aid of the upper half-box 7.
It is also possible to provide the simultaneous connection of the output (4) and input (I) cables in one sole movement of closure of the box 5.
This colmector is preferably intended to be used on a conductor cable I as sllowll in the drawings, i.e. a structurally flat cable of the "bus" type, in which the useful wires are therefore coplanar and virtually adjacent. Nonetheless, it is 15 possible to adapt the half-box 7 and the plate 8 to other sorts of conductor cables, for example cables which are not flat and contain noll-coplanar conductol wires:il~ sucll a case, the pOillts 32-34 should in principle have different lengths adapted to the position of their conjugate wires in the conductor cable. However, it is, of co~lrse, l~ecessaly that the active wires, or usefill wires, of tl~e cond-lctol- cable be, 20 in projection Oll the horizontal plane (according to the present drawings), parallel to one another. Furthennore, it is preferable, but not compulsory, that the double pOilltS which are each constituted by two pOilltS directed in opposite directions, be each constituted by two coaxial points, the essential being that these two pOilltS (of the same double point) are electrically connected together.
The present inventioll relates to a method and a device for rapid inter-conllectioll of two electric cables, for example for producing comlectiolls of lightillg poillts along a ship's passageway or for producing points of electrical 5 conllectioll ill tlle illdustrial, service, building, lighting, etcsectors.
BACKGROUND OF THE INVENTION
A ship is nollllally equipped witll very numerous pelmallellt li~llting points. It is ill that case necessary to be able to distribute the electrical energy at a pl~lrality of points whicll are for example distributed all along the same passageway, from the same three-conductor cable which passes through this passageway. In order to carry out certain localized work, it is also necessary to be able to be connected in parallel on this cable, temporarily and at any usefulspot.
The techllique employed at the present time consists in providing a successioll of sections of cable which are attached high up all along the passageway and wllose two ends hang down as far as man's heigllt, for example.
To product lightillg pOilltS, the adjacent ends of two consec-ltive cable sections are thell each colmected on a linkage com1ector, following which the electric bral-cll cable is conllected on this comlector.
Tllis knowll techllique is expensive to exploit, both in material and in manpower costs.
Rapid conllectors exist in the present state of the art, for example in accordance with document FR-A-2 720 551, which are fitted with so-called insulation displacing col1nection contaGts or IDC's. The application of such connectors is lilnited as they can be used only with cables whose wrapped wires are spaced apalt from one anotller7 without which a metallic IDC contact might, whell it is mounted on a conductor, also touch the core of the adjacent wrapped wire, which would then create a short-circuit between these two wires.
Document US-A-4 352 537 may also be cited as prior art in the domain of telepllony. This document discloses a device for intercollllectiol1 between 5 telepllone cable strands. In order to conllect each strand of a first cable, a flat metal contact whicll comprises two series of double points must be inserted in arespective slot of a comlnoll plate. Conllectioll to tlle wires of the otller cable is tllen effected with the aid of a common comlection pusllel- whicll may slide aloguides provided to that end. Tlle use of this device in practice is delicate and10 therefore unsuitable for work having to be cal~-ied O~lt at an industrial lythm and Oll an industrial scale.
It is an object of the present invention to overcome these drawbacks SUMMARY OF THE INVENTION
To that end, it relates to a method for intercomlectioll of two multi-strand 15 cables intended for the distribution of eleckical energJy, including:
- a first, input, cable which comprises a plurality of active wires which, in projection Oll at least one plane, are parallel to one another, these wires being surroullded by a common sheath which is the outer sheath of this input cable, - alld a seGond, O~ltpUt, cable wllich colnprises actiYe wires ill registel- witl 20 those of the first cable, characterized in that it consists in comlecting each active wire of the input cable to the conjugate active wire of the output cable by means of an assembly of double metal points which are incorporated in a common support plate in which they are illtegrated in advance, during construction of this plate in the factory, CA 02206377 1997-0~-28 each of these metal points being adaptted to effect tlle so-called "varnpire"
connection of a wrapped electric wire (i.e. connection by piercing of its insulating sheatll until its metal core is reached), and each double point compIising two of sucll points electrically conllected S together, of whicll a first point is promillellt on a first face of tlle plate wllicll is thell directed by tlle operator towards tlle active wil-es of the first cable, and a second pOil~t prominent on tlle othel face of this plate wllic~l is collsequelltly directed by tlle operator towards the conj-lgate active wires of tlle other cable, in order to e~,ect, by a relative displacemellt of all the plate witll respect to eacll of 10 the two cables which makes simultalleous "vampire" comlectiolls for tlle strands of each of them, the desired interconMection of these two cables The invelltion also relates to a device for carrying out this method, this device for the intercolmection of two multi-strand cables for distributing electrical energy being characterized in that it is composed of:
- a box made in two interfitting halves, viz. a first half wllich receives the output cable and a second half which at least serves as colulectioll pusller of the input cable, - and an intermediate intercomlection plate which is positioned in the box between tlle two cables tllell superposed ill tllis box, 20 this plate therefore comprising, in a number at least equal to tlle !lumber of pairs of wires to be respectively comlected (viz. per pair of wires, a wire of the first cable and the conjugate wire of the second cable~, one or more pairs of metal points which are perrnanently incorporated in this plate and whicll are each adapted to make the so-called "vampire" comlection of a wrapped electric wire 25 (i.e. comlectioll by piercing of the illsulating sheatll until its metal core is reached~, and each pair of points tllerefol e comprising two pOilltS electrically connected together, viz. a first point prominernt Oll a first face of the plate and a second point prominent in the opposite direction Oll the second face of the plate, this first pOillt effectillg, by pressure, tlle vampire conllectioll of the wires of the first cable and tllis second pOillt effecting, by pressure, the vampire connectioll of 5 the conjugate wires of the other cable.
~ Said box is advantageo-lsly shaped so that the uppel half-box may also serve as vampire conllectiol- pusller of tl-e OUtpllt cable ~llell the assembly of tlle box incorporating the plate is closed.
BRIEF DESCR~PTION OF THE DRAWINGS
The inventioll will be more readily understood Oll reading tlle following description with reference to the accompanyillg drawings, in which:
Figure I sllows the device of the inventioll installed on an electrical energy , distribution cable, or illpUt cable, to create at that spot a permanent or temporary lighting pOillt.
Figure 2 shows this sa1ne intercomlectioll device ill an exploded pers-pectlve view.
Flgure 3 is a view in perspective of that face of tlle intermediate inter-comlectioll plate which is not visible in Figure 2.
Figure 4 is a plan vlew of tlle lower bo~; of Figure 3, showillg how tlle 20 lighting cable, or output cable, is placed in pOSitiOIl in this box.
Figure 5 which is a vie~,v similar to Figure 4, and Figure 6 which is a transverse section ofthis Fi~re 5, show how this illtermediate plate is installed in this lower box.
Figures 7 to 10 show how this device is thell used for making this lighting 25 point by col~lecting on a conductor cable, arriving at the result shown schematically in Figure 1.
CA 02206377 1997-0~7-28 DESCRIPTION OF PRlEFER~ED EMBODIMENT
Referring now to the drawings, and firstly to Figures I to 6, reference I
designates a conductor cable whicll convelltionally passes through a ship's passageway in order to distribute electrical energy, temporarily or permanelltly, at S a plurality of selected spots.
The cable is typically flat, of the "bus" type, wllicll comprises, in its illsulating sheath, tl~ree coplallar cond~lctol- wires tl-elnselves respectivelyprotected by their insulatillg sheath. This cable I is clearly visible in Figure 2 and is available on the market.
The device of the inventioll, here generally designated by reference 2, takes the electrical energy from the conductor cable I to distribute it towards a usermember, here a lamp 3 for illumination whicll is connected at the free end of a lightillg cable 4, having a lengtll chosell as a function of the point of use, viz.
typically of some meters. Tlle lamp 3 is for example a portable lamp which it isdesired to colmect at that pOillt in order to have light to carry out work.
Like the conductor cable 1, the lighting cable 4 is a cable incorporating three wrapped wires, viz. two conductor wires and one earth wire. It should be noted that this cable 4 does not need to be a flat cable to carry out the invention alld, ill tl~e present case, it is tl-ete~ore a tllree-wile cable of circular section.
The interconnection device 2 comprises a box 5 which is formed by two interfittillg halves, viz. a first box half 6 whicll receives the output cable 4 and a second box half 7 which, as will be seen hereinafter, serves as receptacle and comlection pusher of the conductor cable or input cable 1 Furthermore, an intermediate plate 8 is provided (cf. Figures 2 and 3~
which is positioned in the box 5, between the two cables I and 4 thell superposed in this box.
Tllree grooves 9, 10, 11 for positioning the ends of the three wrapped wires 12, 13 14 (Figure 4) of the output cable 4 equip the i1mer part of the first box half Ol lowér half 6 A stuffillg box 15 holds tlle cable 4 where it enters tlle box llalf 6 Tlle end part of the cable 4 wllicll penetrates in the r eceptacle 6 has been previously stripped of its o~lter sheatll in ordel to fiee tlle tllree wrapped wires 12, 13, 14 Tlle plate 8 is designed to be intlodllced very precisely in tlle box llalf 6 alld its lower face (cf Figure 3) is collsequently provided with gllidillg studs 16 and bars 17 ,for holding the wires, ~nd with insulation ribs 171, whicll cooperate 10 with conjugate female forms provided to that end in the box half 6 In addition, feet 18 and clipping tabs 19 ensure firm, positive positioning of tllis plate 8 in the lower box half 6 Similarly, the il~ler part of the otller box half, or upper half box 7, is i~tted with pOSitiOIIillg catches 20 whicll cooperate with conjugate cavities 21 made ill 15 colutnns 22 fast with the other face, or upper face in the drawings, of the plate 8 Tlle half boxes 7 and 6 are respectively.provided with conjugate tabs and bottomless cavities 23, 24 for clipping, v~hicll ensure closure of half-box 7 Oll half box 6, finnly imprisoning tlle intermediate plate 8 as well as the lower cable 4 alld tlle ~Ipper cable 1 On one side of the lower half-box 6 are located two slidevvays 25 adapted to receive, as will be seen hereinafter, t~,vo shaft ends 26, borne by a lateralcolumn 27 of tlle half box 7, the assembly allowing the lower half box 6 to makea movement of rotation about axis 26, followed by a movement of translatioll along slideways 25, in order finally to ensure closure of the box 5 in accordance 25 witll Figrure 1, as will be described hereina~er - CA 02206377 1997-0~-28 .
Various me1nbers, such as conjugate grooves 28, 29 and guide plates 30 ensure correct positioning of the input cable I in the box 5 and sealing members 31 are even provided, where this cable I enters and leaves the box 5, to avoid pollution or penetratioll of humidity in the inller part of tllis box once tlle 5 connectioll is ef~ected.
- In accordance witll all essential aspect of the invelltioll, the plate 8 is fitted with tllree metallic double points 32, 33, 34 wllich are incolporated in advallce, i.e. during constructioll of the plate 8 in the factoly, in whicll plate 8 they are therefore pennallelltly integrated,.so that, for each of these double points, one POint PIOjeCtS upwardly On the upper face of the plate 8, according to Figure 2,while the opposite coaxial pOillt projects downwardly on the lower face of the plate 8, according to Figure 3.
These pOilltS, which are therefore comlected in advance to the plate 8, during constructioll thereof in the factory, and which are therefore integral 15 therewith, are each adapted to ensure the "vampire" comlection, i.e. by piercing the insulation, Oll the one hand, of the three wires 12, 13, 14 thanks to the lower pOilltS, and, Oll the otller hand, of the three respective conjugate wires of tlle cable I thanks to the corresponding upper points.
Figules 4, 5, 6 show how, ill accordallce with olle of tlle multiple possi-20 bilities of implementation of the invention, the end, previously strlpped of itsouter sheath, of the cable 4 is positioned (Figure 4), then (Figures S and 6), l10W
the plate 8 is introduced by force in the lower box 8, which causes the needles 32, 33, 34 to penetrate in the respective wrapped wires 12,13,14, these needles thenbeing electrically comlected to these wires. This f;rst action may be carried out 25 either in the worlcsllop or on the site, wllicll in that case enables the cable 4 to be cut exactly to the required length.
At this stage, the lower part of the co~1ection device 2 of the invention is - ready to be installed in situ and com1ected to the chosen point on the conductor cable l.
Such com1ectioll in sitll is effected as follows (cf. Figures 7 to lO in tl-is respect~.
The uppel half-l)ox 7 is fil-stly (Fig~u-e 7) positively placed in position, thal1ks to its gllide melIlbel-s 28, ~0 melltiol1ed above (Figule 2), astride the cond~lctor cable 1. Thell still accordillg to Figure 7, the l1alf-box 6, fitted according to Figure 6 with the cable 4, is turned througl1 90~ in the direct sense in order to present the openil1gs 35 of the slideways 25 opposite the shaft ends 26.
According to Figure 8, these slideways are tllen introduced completely around these two shaft ends, with the result that, f1nally, tl~e lower half-box 6, still fitted with the cable 4, may rotate as indicated about axis 26 in order, according to Figure 9, to be positioned exactly below and plutnb with tlle upper half-box 7.
In a variant, the com1ector may be delivered with parts 6 and 7 assembled Ol1 the grooves 35 and the shafts 26, whicl1 avoids the preceding steps.
According to Figures 9 and lO, the lower half-box 6 is then subjected to an upward vertical translation to bling it closer to the upper llalf-box 7 and fit it fimlly thel-eill.
Durin~ this operation, the slideways 25 slide along the lateral column 27, guided by the two shaft ends 26, and the clipping tabs 23 penetrate in their conjugate bottomless cavities 24.
At the end of passage (Figul-e lO), the three upper points 32, 33, 34 pierce the cable l and are respectively connected, by piercing of the insulation, on its three wires, of which they thel1 ens-lre positive interconl1ection with their three conjugate wires 12, 13, 14 of the lower cable 4.
It should be noted that the lower cabl~ 4 may be of any type, provided that it conti~ins the desired number of useful conductors. On the other hand, the pOilltS
32-34, the plate 8 which bears them, and the inner structure of the upper half-box 7 Ill-lSt be adapted to the morpllology of the cable 1, and in particular to the5 an-allgemellt of the useful wires that it contaills.
It goes without saying that the invelltioll is not limited to the embodilllellt whicl) has just been described.
Tlle bearing Oll the intennediate plate 8 to conllect tlle output cable 4 lllay also be effected by closing the bo-x 5 with the aid of the upper half-box 7.
It is also possible to provide the simultaneous connection of the output (4) and input (I) cables in one sole movement of closure of the box 5.
This colmector is preferably intended to be used on a conductor cable I as sllowll in the drawings, i.e. a structurally flat cable of the "bus" type, in which the useful wires are therefore coplanar and virtually adjacent. Nonetheless, it is 15 possible to adapt the half-box 7 and the plate 8 to other sorts of conductor cables, for example cables which are not flat and contain noll-coplanar conductol wires:il~ sucll a case, the pOillts 32-34 should in principle have different lengths adapted to the position of their conjugate wires in the conductor cable. However, it is, of co~lrse, l~ecessaly that the active wires, or usefill wires, of tl~e cond-lctol- cable be, 20 in projection Oll the horizontal plane (according to the present drawings), parallel to one another. Furthennore, it is preferable, but not compulsory, that the double pOilltS which are each constituted by two pOilltS directed in opposite directions, be each constituted by two coaxial points, the essential being that these two pOilltS (of the same double point) are electrically connected together.
Claims (4)
1. Method for interconnection of two multi-strand cables intended for the distribution of electrical energy, including:
- a first, input, cable which comprises a plurality of active wires which, in projection on at least one plane, are parallel to one another, these wires beingsurrounded by a common sheath which is the outer sheath of this input cable, - and a second, output, cable which comprises active wires in register with those of the first cable, characterized in that it consists in connecting each active wire of the input cable to the conjugate active wire of the output cable by means of an assembly of double metal points which are incorporated in a common support plate in which they are integrated in advance, during construction of this plate in the factory, each of these metal points being adapted to effect the so-called "vampire"
connection of a wrapped electric wire (i.e. connection by piercing of its insulating sheath until its metal core is reached), and each double point comprising two of such points electrically connected together, of which a first point is prominent on a first face of the plate which is then directed by the operator towards the active wires of the first cable, and asecond point prominent on the other face of this plate which is consequently directed by the operator towards the conjugate active wires of the other cable, in order to effect, by a relative displacement of all the plate with respect to each of the two cables which makes simultaneous "vampire" connections for the strands of each of them, the desired interconnection of these two cables.
- a first, input, cable which comprises a plurality of active wires which, in projection on at least one plane, are parallel to one another, these wires beingsurrounded by a common sheath which is the outer sheath of this input cable, - and a second, output, cable which comprises active wires in register with those of the first cable, characterized in that it consists in connecting each active wire of the input cable to the conjugate active wire of the output cable by means of an assembly of double metal points which are incorporated in a common support plate in which they are integrated in advance, during construction of this plate in the factory, each of these metal points being adapted to effect the so-called "vampire"
connection of a wrapped electric wire (i.e. connection by piercing of its insulating sheath until its metal core is reached), and each double point comprising two of such points electrically connected together, of which a first point is prominent on a first face of the plate which is then directed by the operator towards the active wires of the first cable, and asecond point prominent on the other face of this plate which is consequently directed by the operator towards the conjugate active wires of the other cable, in order to effect, by a relative displacement of all the plate with respect to each of the two cables which makes simultaneous "vampire" connections for the strands of each of them, the desired interconnection of these two cables.
2. Device for carrying out the method of Claim 1, characterized in that it is composed of:
- a box made in two interfitting halves, viz. a first half which receives the output cable and a second half which at least serves as connection pusher of theinput cable, - and an intermediate interconnection plate which is positioned in the box between the two cables then superposed in this box, this plate comprising, in a number at least equal to the number of pairs of wires to be respectively connected (viz. per pair of wires, a wire of the first cable and the conjugate wire of the second cable), one or more pairs of metal points which arepermanently incorporated in this plate and which are each adapted to make the so-called "vampire" connection of a wrapped electric wire (i.e. connection by piercing of the insulating sheath until its metal core is reached), and each pair of points comprising two points electrically connected together, viz. a first pointprominent on a first face of the plate and a second point prominent in the opposite direction on the second face of the plate, this first point effecting, by pressure, the vampire connection of the wires of the first cable and this second point effecting, by pressure, the vampire connection of the conjugate wires of the other cable.
- a box made in two interfitting halves, viz. a first half which receives the output cable and a second half which at least serves as connection pusher of theinput cable, - and an intermediate interconnection plate which is positioned in the box between the two cables then superposed in this box, this plate comprising, in a number at least equal to the number of pairs of wires to be respectively connected (viz. per pair of wires, a wire of the first cable and the conjugate wire of the second cable), one or more pairs of metal points which arepermanently incorporated in this plate and which are each adapted to make the so-called "vampire" connection of a wrapped electric wire (i.e. connection by piercing of the insulating sheath until its metal core is reached), and each pair of points comprising two points electrically connected together, viz. a first pointprominent on a first face of the plate and a second point prominent in the opposite direction on the second face of the plate, this first point effecting, by pressure, the vampire connection of the wires of the first cable and this second point effecting, by pressure, the vampire connection of the conjugate wires of the other cable.
3. The device of Claim 2, wherein said pairs of points are each constituted by two coaxial points directed in opposite directions.
4. The device of Claim 2, wherein said box is shaped so that the upper half box may also serve, when the assembly of this box incorporating the plate is closed, as vampire connection pusher of the output cable.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9608491 | 1996-07-02 | ||
| FR9608491A FR2750802B1 (en) | 1996-07-02 | 1996-07-02 | METHOD AND DEVICE FOR QUICK INTERCONNECTION OF TWO ELECTRIC CABLES |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2206377A1 true CA2206377A1 (en) | 1998-01-02 |
Family
ID=9493817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002206377A Abandoned CA2206377A1 (en) | 1996-07-02 | 1997-05-28 | Method and device for rapid interconnection of two electric cables |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US5934930A (en) |
| EP (1) | EP0817315B1 (en) |
| JP (1) | JPH10134862A (en) |
| KR (1) | KR100485507B1 (en) |
| CA (1) | CA2206377A1 (en) |
| DE (1) | DE69712414T2 (en) |
| ES (1) | ES2175317T3 (en) |
| FR (1) | FR2750802B1 (en) |
| NO (1) | NO973042L (en) |
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| AUPQ819900A0 (en) * | 2000-06-16 | 2000-07-13 | Krone (Australia) Technique Pty Limited | Multi wire insulation displacement contact and a method of making multi wire erminations |
| JP2002042924A (en) * | 2000-07-28 | 2002-02-08 | Sumitomo Wiring Syst Ltd | Electric connection structure |
| EP1187256B1 (en) * | 2000-09-05 | 2004-03-10 | Woertz Ag | Electrical connecting element |
| US6660935B2 (en) * | 2001-05-25 | 2003-12-09 | Gelcore Llc | LED extrusion light engine and connector therefor |
| DE10135311A1 (en) * | 2001-07-19 | 2003-03-06 | Nexans | Arrangement for connecting an electrical consumer to a supply line |
| EP1423890B1 (en) * | 2001-09-03 | 2016-12-21 | Woertz Ag | Cable connector |
| DE10238480A1 (en) * | 2002-08-22 | 2004-03-04 | Wieland Electric Gmbh | connection device |
| EP1437803A1 (en) * | 2003-01-09 | 2004-07-14 | Feelux Co., Ltd. | Power source connector for fluorescent lamp |
| US6932639B2 (en) * | 2003-07-15 | 2005-08-23 | George Woodruff | Electroluminescent cable connector |
| JP2007514269A (en) * | 2003-12-15 | 2007-05-31 | ヴェルツ・アーゲー | Cable connector |
| US7534127B2 (en) * | 2004-01-05 | 2009-05-19 | Cochlear Limited | Implantable connector |
| US7114841B2 (en) | 2004-03-22 | 2006-10-03 | Gelcore Llc | Parallel/series LED strip |
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| US7156686B1 (en) | 2005-12-27 | 2007-01-02 | Gelcore Llc | Insulation displacement connection splice connector |
| US20070270018A1 (en) * | 2006-05-17 | 2007-11-22 | 3M Innovative Properties Company | Low profile punching connector |
| SE530315C2 (en) * | 2006-09-22 | 2008-04-29 | Mt Skellefteaa Memoteknik Ab | Device for electrical grounding of an insulated cable |
| US7416434B2 (en) * | 2006-10-05 | 2008-08-26 | Lumination Llc | IDC splice connector |
| DE102007048663A1 (en) | 2007-10-10 | 2009-04-23 | Tyco Electronics Amp Gmbh | Electrical connecting device e.g. clutch, has contact elements electrically connectable with conductor of cables e.g. ribbon cables, and sealing arrangement sealing housing parts against each other and entrance position of cables in device |
| NL2003322C2 (en) * | 2009-07-31 | 2011-02-02 | Abb Bv | CABLE SYSTEM. |
| IT1396197B1 (en) * | 2009-10-08 | 2012-11-16 | Palazzoli Spa | JUNCTION BOX, PARTICULARLY FOR ILLUMINATION LINES FOR TUNNELS |
| JP2011113802A (en) * | 2009-11-26 | 2011-06-09 | Yazaki Corp | Connector and wire harness connection structure in vehicle |
| JP2012018757A (en) * | 2010-07-06 | 2012-01-26 | Yazaki Corp | Pressure-connecting device and lighting device |
| JP2012038714A (en) * | 2010-07-14 | 2012-02-23 | Yazaki Corp | Pressure-welding connection apparatus and lighting device |
| US8748741B2 (en) * | 2010-10-25 | 2014-06-10 | Tyco Electronics Corporation | Corrosion resistant multiple tap connectors |
| EP2456010A1 (en) * | 2010-11-23 | 2012-05-23 | Saia-Burgess Controls AG | Network component comprising an electrical device |
| US8333607B1 (en) | 2011-02-28 | 2012-12-18 | Ortronics, Inc. | Connector with pivotable wings, a locking cam nut and a deflectable contact ring |
| JP2013192344A (en) * | 2012-03-13 | 2013-09-26 | Yazaki Corp | Housing for indoor illumination lamp for automobile and its electric wire holder |
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| JP6050196B2 (en) * | 2013-08-09 | 2016-12-21 | 株式会社オートネットワーク技術研究所 | Wire harness and connector |
| JP6443632B2 (en) * | 2015-12-16 | 2018-12-26 | 株式会社オートネットワーク技術研究所 | Circuit structure and electrical junction box |
| US10557623B2 (en) * | 2017-05-05 | 2020-02-11 | Apogee Lighting Holdings, Llc | Power cable micro-junction-box for a strip light array |
| DE102018218035A1 (en) * | 2017-10-25 | 2019-04-25 | Yazaki Corporation | Branch connector and communication network |
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| US5009612A (en) * | 1990-02-07 | 1991-04-23 | Molex Incorporated | Multi-conductor electrical cable connector |
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| KR0175950B1 (en) * | 1992-12-25 | 1999-05-15 | 하라 쇼헤이 | Electrical connector for interconnecting parallel multiconductor cables |
-
1996
- 1996-07-02 FR FR9608491A patent/FR2750802B1/en not_active Expired - Fee Related
-
1997
- 1997-05-28 CA CA002206377A patent/CA2206377A1/en not_active Abandoned
- 1997-05-30 US US08/865,867 patent/US5934930A/en not_active Expired - Fee Related
- 1997-06-23 ES ES97420096T patent/ES2175317T3/en not_active Expired - Lifetime
- 1997-06-23 DE DE69712414T patent/DE69712414T2/en not_active Expired - Fee Related
- 1997-06-23 EP EP97420096A patent/EP0817315B1/en not_active Expired - Lifetime
- 1997-06-30 NO NO973042A patent/NO973042L/en not_active Application Discontinuation
- 1997-07-02 JP JP9177413A patent/JPH10134862A/en not_active Withdrawn
- 1997-07-02 KR KR1019970030532A patent/KR100485507B1/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| FR2750802B1 (en) | 1998-09-18 |
| DE69712414T2 (en) | 2002-09-05 |
| ES2175317T3 (en) | 2002-11-16 |
| EP0817315B1 (en) | 2002-05-08 |
| FR2750802A1 (en) | 1998-01-09 |
| NO973042L (en) | 1998-01-05 |
| JPH10134862A (en) | 1998-05-22 |
| KR980012715A (en) | 1998-04-30 |
| KR100485507B1 (en) | 2006-04-20 |
| DE69712414D1 (en) | 2002-06-13 |
| US5934930A (en) | 1999-08-10 |
| EP0817315A1 (en) | 1998-01-07 |
| NO973042D0 (en) | 1997-06-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FZDE | Discontinued |