EP2380053A1 - Microcâble de distribution pour la technique de communication optique et procédé de fabrication d'un microcâble de distribution - Google Patents

Microcâble de distribution pour la technique de communication optique et procédé de fabrication d'un microcâble de distribution

Info

Publication number
EP2380053A1
EP2380053A1 EP09749023A EP09749023A EP2380053A1 EP 2380053 A1 EP2380053 A1 EP 2380053A1 EP 09749023 A EP09749023 A EP 09749023A EP 09749023 A EP09749023 A EP 09749023A EP 2380053 A1 EP2380053 A1 EP 2380053A1
Authority
EP
European Patent Office
Prior art keywords
micro
distribution cable
tubes
hollow core
cores
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.)
Withdrawn
Application number
EP09749023A
Other languages
German (de)
English (en)
Inventor
Ferenc Nad
Ulrich Hetzer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Commscope Technologies LLC
Original Assignee
ADC GmbH
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 ADC GmbH filed Critical ADC GmbH
Publication of EP2380053A1 publication Critical patent/EP2380053A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4439—Auxiliary devices
    • G02B6/4471—Terminating devices ; Cable clamps
    • G02B6/4472—Manifolds
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49117—Conductor or circuit manufacturing
    • Y10T29/49194—Assembling elongated conductors, e.g., splicing, etc.

Definitions

  • the invention relates to a micro-distribution cable and a method for producing a micro-distribution cable.
  • Micro-distribution cables have a hollow core in which a number of wires are routed. Under vein is understood a glass fiber with plastic coating.
  • the hollow core has an outer jacket and an inner tube, between which Aramidfasem are arranged, which are known, for example, under the brand name KEVLAR.
  • the veins are then guided inside the tube and are protected by tube, aramid fibers and outer jacket.
  • the wires are assembled with plugs.
  • the transition between the hollow core with the plurality of wires and the plugs can be done via tubes or individual hollow cores to protect the wire.
  • the structure of a single hollow core corresponds to that of a hollow core, except that only a single core is guided within the tube.
  • the tube can be designed correspondingly smaller in diameter.
  • the connectors are arranged on one side only, they are micro-distribution cables in the form of a pig-tail. If, however, plugs are arranged on both sides, this is a patch cable. A problem with micro-distribution cables is that it may come due to the movements of the connectors to undesirable influences on adjacent wires.
  • the strain relief comprises a cross-sectionally U-shaped lower part and an upper part, wherein the lower part on its legs on a front side with a pivot bearing and on the opposite end face is formed with locking lugs, which are arranged on the inner sides of the legs, wherein the upper part comprises at least two resilient side legs, on the outside thereof in each case at least one latching projection is arranged, which engage in the assembled state behind the latching lugs on the lower part, and comprises axle means which are insertable into the pivot bearing in the lower part.
  • the invention is based on the technical problem of providing a micro-distribution cable and to provide a method for producing a micro-distribution cable, by means of which a smaller mutual influence of the wires is achieved.
  • the micro-distribution cable for optical communications technology comprises a hollow core, wherein in the hollow core at least two wires are guided, wherein on at least one side of the cores of the hollow core are assembled with connectors, the micro-distribution cable comprises a distribution element, having a first region in which a portion of the hollow core is guided, and having a second region in which the wires are guided, wherein the second region comprises means by means of which tubes or hollow cores are fixed, in which the wires to the plugs are guided.
  • the tubes fixed in the second region are second, further tubes, which are different from the tube of the hollow vein.
  • the Einzelhohladern are empty Einzelhohladern into which then one core of the hollow core is inserted, so that then each creates a complete hollow core.
  • ribs are arranged in the second region, between which the tubes or hollow cores are guided. This allows the guidance and fixation of a large number of wires.
  • two tubes or individual hollow cores are guided between two ribs, so that a very compact design is possible.
  • teeth for holding the tubes are arranged on the walls of the ribs, i.
  • the tubes are simply clamped. This embodiment is preferably used when the expected tensile forces on the connectors are not too large and, for example, do not exceed 10-20 N.
  • the ribs are formed with projections, the Einzelhohladern each formed with a crimp, the crimp abut the projections.
  • This embodiment is preferably used when larger tensile forces of> 100 N can be intercepted.
  • the crimp is preferably pushed between the outer sheath and the aramid fiber and then pressed with a sleeve.
  • the wires and / or the hollow core are encapsulated in the splitting element, this preferably taking place before the assembly with the plugs.
  • the potting compound is formed as a two-component Exoxydharz.
  • the partitioning element is cuboid in the first region, wherein the cuboid is narrower than the second region, wherein at the end facing away from the second region, the cuboid has lateral projections.
  • FIG. 1 shows a cross section through a hollow core (prior art)
  • FIG. 2 shows a perspective top view of a dividing element in a first embodiment with the upper part removed
  • FIG. 3 is a perspective top view of a micro-distribution cable with a splitting element of the first embodiment
  • FIG. 4 is a perspective top view of an exploded view of a partitioning element in a second embodiment
  • FIG. 5 shows a perspective top view of the dividing element according to the second embodiment with inserted wires
  • Fig. 6 is another perspective plan view of FIG. 5 without
  • FIG. 7 is a perspective plan view of a micro-distribution cable without top
  • FIG. 8 is a perspective top view of the micro-distribution cable with top
  • FIG. 10 is a perspective view of two micro-distribution cable in the inserted state within a strain relief
  • Fig. 11 is a perspective view of a micro-distribution cable in the form of a patch cable, each having a distribution element of the first and second embodiment and
  • Fig. 12 is a perspective view of a micro-distribution cable in the form of a patch cable with two distribution elements of the second embodiment.
  • FIG. 1 shows a hollow core 10 in a schematic cross section.
  • the hollow core 10 comprises an outer shell 11 and an inner tube 12, wherein between the outer shell 11 and the inner tube 12 Aramid fibers 13 are arranged, which are looped around the tube 12, which is not shown here due to the schematic representation.
  • wires 14 are then performed inside the hollow tube 12 wires 14 are then performed.
  • a typical number of wires 14 is, for example, twelve. If, in contrast, only a single wire 14 is guided, then the hollow wire 10 is also referred to as a single hollow wire.
  • a lower part 21 of a distribution element 20 of a micro-distribution cable is shown in a first embodiment.
  • the partitioning element 20 comprises a first region 22 and a second region 23, the second region 23 having a front region 23A.
  • the first region 22 has a channel-shaped recess 24, in which a hollow core 10 is guided.
  • teeth 25 are preferably arranged, which hold the hollow core 10 in addition.
  • the first region has two lateral projections 26 at the end facing away from the second region 23. Accordingly, two further projections 27 are arranged at the transition to the second region 23, whose function will be explained in more detail later.
  • the second region 23 has in the front region 23A a number of ribs 28, on whose side walls also teeth 29 are arranged.
  • the inner side walls of the embodiment element 20 have teeth 30 in the second region.
  • the channel-shaped incision 24 of the first region 22 merges into a curved cup-shaped incision 31, wherein the shape of the incision 31 is chosen such that the minimum bending radii for the strands 14 are maintained.
  • the first region 22 has two stop edges 32 in the channel-shaped recess 24, against which the outer shell 11 of the hollow core 10 abuts. Of the stop edges 32, the wires 14 are exposed and then are then guided in tubes 12 which are clamped between the ribs 28. In each case two tubes 12 are clamped between two ribs 28. Due to this arrangement, the wires 14 are defined between the hollow core 10 and the tubes 12 and are protected from damage or mutual interference.
  • the wires 14 are then protected to plugs 33 (see Fig. 3) out.
  • the outer jacket 11 of the hollow core 10 is removed, so that the aramid fibers 13 are exposed.
  • This partial removal of the outer shell takes place when the hollow core 10 or the exposed area 10a is to be potted, wherein the casting in the first region 22 takes place only in the area 10a.
  • the front region 23A is recessed, so that only the cup-shaped incision 31 is shed with the cores 14.
  • the remaining outer shell 11 at the stop edge 32 in addition to the stop function also has the function to keep the aramid fibers 13 controlled.
  • the complete micro-distribution cable 1 is shown, in addition, an upper part 34 of the partitioning element 20 is latched onto the lower part 21.
  • the upper part 34 has like the lower part 21 projections 35, 36, between which then a narrower cuboidal region 37 extends.
  • the tubes 12 are formed with connecting elements 38, by means of which the tubes 12 can be secured to the respective anti-buckling 39 of the plug 33.
  • the manufacturing process is carried out such that initially the hollow core 10 is stripped over a defined length of for example 2 m (outer jacket 11 and tube 12) and then in the other tubes 12 and performed. Subsequently, the tubes 12 are clamped between the ribs 28 and optionally cast the wires 14 in the second region 23 and the hollow core 10 in the region 10 a. Finally, the individual wires 14 are each connected to a plug 33.
  • FIG. 4 shows a partitioning element 20 in an alternative embodiment, wherein identical elements are provided with the same reference numerals in comparison to the first embodiment.
  • the dividing element 20 again comprises a lower part 21 and an upper part 34.
  • projections 40 are arranged, which extend on both sides of the ribs 28 to the bottom of the notch 31.
  • projections 40 are also arranged.
  • the upper part 34 is formed with different locking means 42, by means of which the upper part 34 is latched to the lower part 21.
  • a locking means is concealed by the side wall 43 of the upper part 34, which engages between the side wall 44 of the cuboid portion 37 and a projection 45.
  • the upper part 34 is constructed symmetrically, so that the same arrangement is repeated on the other side with side wall and locking means.
  • the distance between the ribs 28 is greater than in the first embodiment according to FIGS. 2 and 3, which will be explained.
  • the distribution element 20 is shown with wiring, wherein the hollow core 10 is disposed in the channel-shaped recess 24 which is held by an additional fixing element 46.
  • the wires 14 are guided from the ribs 28 not in tubes 12, but in Einzelhohladern 47.
  • the Einzelhohladern 47 are formed for attachment in the partition member 20 with a crimp 48, wherein the crimp 48 each have two protruding elements 49, 50, wherein the two projecting elements 49, 50 include the projection 40, which then each have a stop edge for the element 49 or 50 forms against train or pressure. Due to the fact that the projections 40 are respectively arranged on both sides of the ribs 28, results in a uniform force transmission.
  • the distance between the ribs 28 to each other is therefore larger compared to the embodiment shown in FIGS. 2 and 3, since the diameter of a single hollow core 47 is larger than a tube 12, since in addition the outer sheath 11 and the aramid fibers 13 are added (see Fig. 1).
  • the receiving element 20 can take over the stop edges of the projections 40 significantly larger tensile forces and compressive forces, as the embodiment of FIGS. 2 and 3.
  • FIG. 6 the lower part 21 without upper part 34 and without fixing element 46 is shown once again in a slightly modified view.
  • the manufacturing process is similar to the first embodiment. Again, the hollow core 10 is first stripped off. In the next step, the Einzelhohladern 47 are crimped by the crimp 48 is pushed between the outer jacket 11 and the aramid fibers 13 and is pressed with a sleeve. Subsequently, the individual wires 14 are guided through the Einzelhohlader 47 and stored the Einzelhohladern 47 in the division element 20 and possibly the wires 14 and / or the hollow core 10 shed. In the last step, the plug 33 are then connected to the wires 14.
  • FIGS. 7 and 8 the micro-distribution cable 1 without upper part 34 of the splitting element 20 (see FIG. 7) and with upper part 34 (FIG. 8) is shown.
  • FIG. 9 shows a part of the micro-distribution cable 1 with a splitting element 20 according to the second embodiment with a strain relief in an exploded view.
  • the strain relief comprises a cross-sectionally U-shaped lower part 60 and an upper part 70, reference being expressly made to DE 10 2007 009 223 A1 with regard to the mode of action and concrete embodiment.
  • This strain relief can be several micro-distribution cable 1 defines summarized to form a bundle of cables and fasten defined via the strain relief. Due to the simple solubility by means of the upper part 70 can also be easily retrofitted cable attach or removed cables take out again for different purposes.
  • the composite state of two micro-distribution cables 1 by means of a strain relief is shown in Fig. 10.
  • the width B of the cuboid region 37 is adapted to the distance between the two legs 61, 62 of the lower part 60 and the length L of the cuboid region 37 to the length of the legs 61, 62, so that the projections 26, 35 and the wider second area 23 prevent slipping out of the strain relief.
  • the reference symbols L, B for the second embodiment are shown in FIG. 5. Accordingly, the first embodiment is dimensioned, wherein there the length L is defined by the distance between the projections 26, 35 and 27, 36.
  • FIGS. 11 and 12 each show a micro-distribution cable 1 in the form of a patch cable, in the embodiment according to FIG. 11 at the front end a distribution element 20 of the second embodiment and at the rear end a distribution element 20 of the first embodiment is used.
  • a distribution element 20 of the second embodiment is used both at the front and at the rear.
  • two distribution elements 20 of the first embodiment may also be used.
  • the height of the partition members 20 of the first embodiment is about 2/3 of the height of the second embodiment, and the maximum width of the first embodiment is about 1/2 of the maximum width of the second embodiment.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Light Guides In General And Applications Therefor (AREA)

Abstract

L'invention concerne un microcâble de distribution (1) pour la technique de communication optique, comprenant un tube non serré (10). Deux conducteurs (14) sont guidés dans le tube non serré (10), les conducteurs (14) du tube non serré (10) sont confectionnés au moins d'un côté avec des connecteurs (33), le microcâble de distribution (1) comprend un élément de répartition (20) qui présente une première région (22) dans laquelle une partie du tube non serré (10) est guidée et une deuxième région (23) dans laquelle les conducteurs (14) sont guidés, la deuxième région (23) comportant des moyens à l'aide desquels des tubes (12) ou des tubes non serrés individuels (47) dans lesquels les conducteurs (14) sont guidés jusqu'aux connecteurs (33) sont fixés. L'invention concerne également un procédé de fabrication d'un microcâble de distribution (1).
EP09749023A 2008-12-16 2009-11-09 Microcâble de distribution pour la technique de communication optique et procédé de fabrication d'un microcâble de distribution Withdrawn EP2380053A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008062535A DE102008062535A1 (de) 2008-12-16 2008-12-16 Micro-Distribution-Kabel für die optische Nachrichtentechnik und Verfahren zur Herstellung eines Micro-Distribution-Kabels
PCT/EP2009/007987 WO2010072286A1 (fr) 2008-12-16 2009-11-09 Microcâble de distribution pour la technique de communication optique et procédé de fabrication d'un microcâble de distribution

Publications (1)

Publication Number Publication Date
EP2380053A1 true EP2380053A1 (fr) 2011-10-26

Family

ID=41611801

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09749023A Withdrawn EP2380053A1 (fr) 2008-12-16 2009-11-09 Microcâble de distribution pour la technique de communication optique et procédé de fabrication d'un microcâble de distribution

Country Status (4)

Country Link
US (1) US20120014651A1 (fr)
EP (1) EP2380053A1 (fr)
DE (1) DE102008062535A1 (fr)
WO (1) WO2010072286A1 (fr)

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WO2014120180A1 (fr) * 2013-01-31 2014-08-07 Hewlett-Packard Development Company, L.P. Extraction d'informations d'occupation de zone
EP2984513B1 (fr) * 2013-04-07 2023-02-15 CommScope Telecommunications (Shanghai) Co. Ltd. Ensemble de connexion de fibres optiques
CN105676380B (zh) 2014-11-21 2019-07-12 泰科电子(上海)有限公司 光缆布线系统和光缆连接组件
US9835816B2 (en) * 2015-06-10 2017-12-05 Telect, Inc. Fiber blocking kits
US10042137B2 (en) * 2015-08-15 2018-08-07 US Conec, Ltd Optical fiber rearrangement device with containment channels
US10656360B2 (en) * 2018-01-23 2020-05-19 Panduit Corp. Epoxy transitions for optical fiber modules
CN108987999A (zh) * 2018-09-12 2018-12-11 永泰电子（东莞）有限公司 线缆连接器组件及其制造方法
US11982856B2 (en) * 2022-05-19 2024-05-14 Eden Ltd Cable overblowing connector

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Also Published As

Publication number Publication date
DE102008062535A1 (de) 2010-06-17
US20120014651A1 (en) 2012-01-19
WO2010072286A1 (fr) 2010-07-01

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