WO2005050276A1 - Dispositif de stockage ou de manipulation de fibres optiques - Google Patents

Dispositif de stockage ou de manipulation de fibres optiques Download PDF

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Publication number
WO2005050276A1
WO2005050276A1 PCT/EP2004/012389 EP2004012389W WO2005050276A1 WO 2005050276 A1 WO2005050276 A1 WO 2005050276A1 EP 2004012389 W EP2004012389 W EP 2004012389W WO 2005050276 A1 WO2005050276 A1 WO 2005050276A1
Authority
WO
WIPO (PCT)
Prior art keywords
housing
receiving device
deflection
guide
optical waveguides
Prior art date
Application number
PCT/EP2004/012389
Other languages
German (de)
English (en)
Inventor
Oliver Lapp
Franz-Friedrich Fröhlich
Original Assignee
Ccs Technology, Inc.
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 Ccs Technology, Inc. filed Critical Ccs Technology, Inc.
Priority to EP04797532A priority Critical patent/EP1685437A1/fr
Publication of WO2005050276A1 publication Critical patent/WO2005050276A1/fr

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
    • G02B6/444—Systems or boxes with surplus lengths
    • G02B6/4453—Cassettes
    • G02B6/4455—Cassettes characterised by the way of extraction or insertion of the cassette in the distribution frame, e.g. pivoting, sliding, rotating or gliding

Definitions

  • the present invention relates to a device for storing or handling optical fibers according to the preamble of claim 1.
  • devices for storing or handling optical fibers such as distribution cabinets, are required to ensure structured cabling.
  • One requirement that is placed on such devices is a maximum assembly of the same with high packing density and at the same time minimal mechanical stress on the optical waveguides.
  • the optical waveguides stored in such devices must be easily accessible in order, for example, to be able to safely carry out splicing or shunting work.
  • the optical waveguides or the cables in which the optical waveguides run are stored in the housing of the device with corresponding excess lengths.
  • the excess lengths are activated when the receiving device or the modules positioned on the receiving device, which are used for connecting or depositing the optical fibers, are moved out.
  • a difficulty that can arise when using such excess lengths occurs in particular when the receiving device is to be returned to the housing together with the modules positioned on the receiving device. It must then be ensured that the excess lengths can be pushed back into the housing with as little mechanical stress as possible and in compliance with the permissible minimum bending radii. Therefore, the prior art often requires complex mechanisms to ensure the safe handling of the excess lengths when pulling out and then pushing them into the housing.
  • the present invention is based on the problem of creating a novel device for storing or handling optical fibers.
  • a deflecting device is assigned to the receiving device, the optical waveguides or the optical waveguides running in the or each cable being guided on the deflecting device, and the deflecting device executing a rolling movement when the receiving device is at least partially moved out of the housing, such that the other Deflection device guided optical fibers or the optical fibers running in the or each cable essentially only perform a bending movement.
  • the present invention provides a device for storing or handling optical fibers or optical fibers running in at least one cable, which enables stress-free access to modules, such as connectors or splice cassettes, for the optical fibers, but which does not require the optical fibers or the cable in which the optical fibers run, gets by.
  • modules such as connectors or splice cassettes
  • the deflection device executes a cycloid-like rolling movement, such that a center point of the deflection device can be moved along a straight path in the case of a pivoting movement or rotary movement that at least partially moves the receiving device out of the housing.
  • the deflection device executes an epicycloid-like rolling movement in such a way that a center point of the deflection device can be moved along a circular path in the case of a pivoting movement or rotary movement that at least partially moves the receiving device out of the housing.
  • guide elements in particular guide pins
  • the guide elements of the receiving device engaging in the housing, in particular in guide slots, and being movable therein.
  • a first guide pin of the receiving device which is positioned in the center of the deflecting device, engages in a linear guide slot in the housing
  • a second guide pin of the receiving device device which is positioned outside the region of the deflection device, engages in a cycloid-like curved guide slot in the housing.
  • a first guide pin of the receiving device which is positioned in the center of the deflection device, engages in a guide slot in the housing in the form of a segment of a circle
  • a second guide pin of the receiving device which is positioned outside the region of the deflection device, engages in an epicycloid-like manner curved guide slot engages in the housing.
  • a first guide pin of the receiving device which is arranged laterally offset from the center of the deflection device, can engage in an arcuate guide slot in the housing, whereas a second guide pin of the receiving device, which is also laterally offset to the center of the deflection device is engaged in an epicycloid-like guide slot in the housing, tangents to movement paths of the guide pins predetermined by the guide slots being approximately perpendicular to one another.
  • a device according to the invention for storing or handling optical fibers or optical fibers running in at least one cable according to a first exemplary embodiment of the invention in a pivoted-in position of the device in a schematic plan view;
  • 2 the device according to the invention according to FIG. 1 in a pivoted-out position of the device, likewise in a schematic plan view;
  • FIGS. 1 and 2 the device according to the invention according to FIGS. 1 and 2 in the pivoted-in position together with a cable for further clarification of the invention in a schematic plan view;
  • FIGS. 1 and 2 the device according to the invention according to FIGS. 1 and 2 in the pivoted-out position together with a cable for further clarification of the invention in a schematic plan view;
  • a device for storing or handling optical fibers or optical fibers running in at least one cable according to a second exemplary embodiment of the invention in a pivoted-in position of the device together with a cable in a schematic plan view;
  • a device according to the invention for storing or handling optical fibers or optical fibers running in at least one cable according to a third exemplary embodiment of the invention in a pivoted-in position of the device in a schematic plan view;
  • FIG. 8 the device according to the invention according to FIG. 7 in the pivoted-out position, likewise in a schematic plan view.
  • 1 to 4 show a first exemplary embodiment of the present invention, FIGS. 1 and 3 showing a device according to the invention in the pivoted-in position and FIGS. 2 and 4 showing the device according to the invention in the pivoted-out position. 3 and 4, the device is shown together with a cable guiding the optical waveguide, which is stored or can be handled in the device.
  • the device 10 for storing or handling optical fibers or optical fibers guided in a cable 11 comprises a housing 12 and a receiving device 13 movably mounted in the housing 12.
  • a plurality of assemblies for connecting or storing optical fibers are preferably positioned on the receiving device 13 , wherein these modules can be designed as splice cassettes or connectors.
  • the cable 11 with the optical waveguides running in the cable 11 is inserted into the device 10 from a rear side 14 of the housing 12 and the receiving device 13 or the modules positioned on the receiving device 13 for connecting or storing the optical fibers fed.
  • FIGS. 1 and 3 show the device 10 with a receiving device 13 pivoted into the housing 12
  • FIGS. 2 and 4 show the device 10 with a receiving device 13 pivoted out of the housing 12.
  • a deflection device 15 is positioned on the receiving device 13 of the device 10, the optical waveguides or the optical waveguides running in the cable 11 being guided on the deflection device 15.
  • the deflecting device 15 executes a rolling movement designed in such a way that the optical waveguides guided on the deflecting device 15 or the cable 11 with the optical waveguides essentially only perform a bending movement. Accordingly, since the optical waveguides perform practically no longitudinal movement, there is no need to handle excess lengths of optical waveguides in the housing 12 of the device 10. This represents a significant improvement over the prior art.
  • the receiving device 13 is further assigned guide elements which are designed as guide pins in the exemplary embodiment.
  • a first guide pin 16 is arranged in a center 17 of the deflection device 15
  • a second guide pin 18 is arranged outside the area of the deflection device 15.
  • the two guide pins 16 and 18 of the receiving device 13 engage in guide elements of the housing 12, the guide elements of the housing being designed as guide slots in the exemplary embodiment shown.
  • the first guide pin 16, which is arranged in the center 17 of the deflection device 15, thus engages in a linear guide slot 19.
  • the second guide pin 18, which is arranged outside the region of the deflection device 15, engages in an arcuate or curved guide slot 20.
  • the guide pins 16 and 18, together with the guide slots 19 and 20, define the movement of the receiving device 13 relative to the housing 12 and thus the movement of the deflection device 15 relative to the cable 11 with the optical waveguides running in the cable 11.
  • the translatory longitudinal movement of the deflection device 15 along the guide slot 19 is superimposed on a rotary movement along the guide slot 20.
  • Such a superposition of a rotary movement with a longitudinal movement results in a cycloid curve.
  • the deflection device 15 accordingly executes a cycloid-like rolling movement.
  • the curved or curved guide slot 20 describes a section or a segment of a cycloid.
  • the receiving device 13 When the receiving device 13 is partially moved out, the receiving device 13 is pivoted on the one hand by approximately 90 ° relative to the housing 12 and on the other hand is moved translationally out of the housing 12 by the path shown by a double arrow 21 in FIG. 2. In this position, the assemblies positioned on the receiving device 12, in particular the plug connectors and splice cassettes, are easily accessible.
  • the optical waveguides running in the cables 11 are subject exclusively to a bending movement when the receiving device 13 is moved out of the housing 12.
  • This is visualized in FIGS. 3 and 4 by markings 22 and 23 on the cable 11.
  • the markings 22 and 23 define the section of the cable 11 along which the deflecting device 15 with its outer circumferential surface moves or rolls along when the receiving device 13 is pivoted in or out in the housing 12 or out of the housing 12.
  • a comparison of FIGS. 3 and 4 shows that in particular the relative position of the marking 22 remains unchanged. Accordingly, there is no longitudinal movement of the cable 11 in addition to the bending movement thereof. The longitudinal movement is carried out only by the deflection roller 15 and the receiving device 13.
  • the present invention is therefore based on the idea of moving the receptacle 13 together with modules positioned on the receptacle 13, such as plug connectors or splice cassettes, out of the housing 12 of the device 10 in such a way that on the cable 11 or on the in the Cable 11 running optical fibers no length gene difference arises.
  • a deflection device is, so to speak, unwound along the cable 11.
  • the radius of the deflection device 15 is adapted to the smallest permissible bending radius of the cable 11 or the optical waveguides running in the cable 11.
  • the radius of the deflection device 15 must not fall below the smallest permissible bending radius, but only exceed it.
  • the optical waveguides or the optical waveguides running in the cable 11 enclose the deflection device 15 by approximately 90 °, ie by the amount of a quarter circle, when the receiving device 13 is pivoted in.
  • FIGS. 1 to 4 The exemplary embodiment in FIGS. 1 to 4 is designed in particular for those cases in which cables are inserted into the device 10 only from one direction, in the exemplary embodiment in FIGS. 1 to 4 from the rear 14, of the housing 12.
  • 5 and 6 show a second exemplary embodiment of a device 24 according to the invention for storing or handling optical fibers, which is used in particular when cables with optical fibers are fed to the device 10 simultaneously from several directions.
  • optical waveguides are fed to the device 10 simultaneously from two different directions via two cables 25 and 26.
  • the cable 25 is from a rear side 29 ago introduced into the housing 27 of the device 10.
  • the cable 26, on the other hand, is inserted into the housing 27 from a side wall 30, the side wall 30 being offset by approximately 90 ° with respect to the rear wall 29.
  • a deflection device 31 is also permanently mounted on the receiving device 28 in the device 24 according to the invention according to FIGS. 5 and 6.
  • the receiving device 28 is also assigned two guide pins.
  • a first guide pin 32 is arranged in the region of a center 33 of the deflection device 31.
  • a second guide pin 34 is positioned outside the area of the deflection device 31.
  • the guide pins 32 and 34 in turn engage in corresponding guide slots which are assigned to the housing 27.
  • a first guide slot 35 in which the guide pin 32 positioned in the center 33 of the deflection device 31 engages, is designed as a segment of an arc of a circle.
  • a second guide slot 36 in which the guide pin 34 positioned outside the region of the deflection device 31 engages, is in turn curved or curved.
  • the deflection device 31 in turn executes a rolling movement, and as a result of this rolling movement the optical waveguides which are guided on the deflection device 31 essentially again only perform a bending movement.
  • the center 33 of the deflection device 31 is not moved on a straight line for this purpose, but rather on an arc segment. This results in an epicycloid-like rolling movement of the deflection device 31 in the superposition with the rotary movement of the receiving device 28.
  • the curved or curved guide slot 36 is accordingly designed as a section or segment of an epicycloid.
  • FIGS. 5 and 6 Another difference between the exemplary embodiment of FIGS. 1 to 4 and the exemplary embodiment of FIGS. 5 and 6 is that in the exemplary embodiment of FIGS. 5 and 6 not only is the deflecting device 28 assigned to a deflection device 31, but rather also a deflection device 37 is assigned to the housing 27.
  • a deflection device 37 Around the deflection device 37 the optical fibers are guided, which are inserted into the device 24 from the side wall 30 via the cable 26.
  • the deflection device 37 is fixed to the housing 27.
  • the deflection device 31 associated with the receiving device 28 accordingly moves relative to the deflection device 37 of the housing 27 when the receiving device 28 is moved out of the housing 27.
  • a channel 38 is formed between the two deflection rollers 37 and 31 through which the cables 25 and 26 can be passed.
  • the deflection rollers 31 and 37 are accordingly spaced such that their lateral surfaces do not touch.
  • the channel 38 has a sufficient width to stress-free the cables 25 and 26 with the optical fibers running therein, i.e. with minimized mechanical stress to pass between the two deflection devices 31 and 37. This is ensured, inter alia, by a suitable distance between the two deflection devices 31 and 37 and by the movement of the center 33 of the deflection device 31 along the guide slot 35 in the form of a segment of a circle.
  • FIGS. 7 and 8 show a third exemplary embodiment of a device 39 according to the invention for storing or handling optical fibers.
  • the device 39 of FIGS. 7 and 8 corresponds in terms of its functioning to the device 24 according to FIGS the same reference numbers are used for unnecessary repetitions for the same assemblies.
  • the deflection device 31 also executes an epicycloid-like rolling movement, whereby as a result of this rolling movement, optical waveguides which are guided on the deflection device 31 essentially again only perform a bending movement.
  • the details which distinguish the device 39 in FIGS. 7 and 8 from the device 24 in accordance with FIGS. 5 and 6 are discussed below. n In accordance with the exemplary embodiment of FIGS.
  • the deflection device 31 is also fixedly mounted on the receiving device 28 in the device 39 according to the invention according to FIGS. 7 and 8.
  • the receiving device 28 is also assigned two guide pins 40 and 41.
  • the guide pins 40 and 41 in turn also engage in guide slots 42 and 43 which are assigned to the housing 27.
  • both guide pins 40 and 41 are laterally offset from the center 33 of the deflection device 31 and outside the region of the deflection device 31.
  • the guide pin 40 engages in the arcuate guide slot 42 in the housing 27, whereas the guide pin 41 of the receiving device 28, which is also laterally offset from the center 33 of the deflection device 31, engages in the epicycloid-like curved guide slot 43 in the housing 27.
  • the guide slots 42 and 43 are aligned with one another in such a way that tangents to movement paths of the guide pins 40 and 41 predetermined by the guide slots 42 and 43 run approximately perpendicular to one another. 7 and 8, the deflection device 31 also executes an epicycloid-like rolling movement. Due to the arrangement of the guide pins and guide slots which differs from the exemplary embodiment in FIGS. 5 and 6, the risk of the receiving device 28 becoming jammed when the latter is moved out of the housing 27 is minimized.
  • Device 39 Device Cable 40 Guide pin housing 41 Guide pin receptacle 42 Guide slot rear 43 Guide slot deflection device Guide pin center point Guide pin Guide slot Guide slot double arrow Marking Device Cable Cable housing receptacle Rear side wall deflection device Guide pin Center point Guide pin Guide slot Guide slot deflection device Channel

Abstract

L'invention concerne un dispositif de stockage ou de manipulation de fibres optiques ou de fibres optiques s'étendant dans un câble (11), comportant un boîtier (12) et un système de réception (13) mobile dans le boîtier. Ledit système de réception (13) comporte des modules de connexion ou de stockage des fibres optiques ou des fibres optiques s'étendant dans un ou chaque câble. Ledit système de réception (13) peut être extrait au moins partiellement du boîtier (12) pour un accès simplifié aux modules servant à la connexion ou au stockage des fibres optiques ou des fibres optiques s'étendant dans un ou chaque câble (1). Selon l'invention, le système de réception (13) reçoit un système de déviation (15) sur lequel les fibres optiques sont guidées. Lors de l'extraction au moins partielle du système de réception (13) hors du boîtier (12), le système de déviation décrit un mouvement de déroulage de telle manière que les fibres optiques guidées sur le système de déviation (15) ne décrivent essentiellement qu'un mouvement de flexion.
PCT/EP2004/012389 2003-11-20 2004-11-03 Dispositif de stockage ou de manipulation de fibres optiques WO2005050276A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP04797532A EP1685437A1 (fr) 2003-11-20 2004-11-03 Dispositif de stockage ou de manipulation de fibres optiques

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2003154370 DE10354370A1 (de) 2003-11-20 2003-11-20 Vorrichtung zur Ablage bzw. Handhabung von Lichtwellenleitern
DE10354370.8 2003-11-20

Publications (1)

Publication Number Publication Date
WO2005050276A1 true WO2005050276A1 (fr) 2005-06-02

Family

ID=34072116

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2004/012389 WO2005050276A1 (fr) 2003-11-20 2004-11-03 Dispositif de stockage ou de manipulation de fibres optiques

Country Status (3)

Country Link
EP (1) EP1685437A1 (fr)
DE (2) DE10354370A1 (fr)
WO (1) WO2005050276A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5421532A (en) * 1992-09-04 1995-06-06 Krone Aktiengesellschaft Device for storing the single and bundle wires of glass-fiber cables in distributor devices used in telecommunication and data transfer applications
US6282360B1 (en) * 1999-02-04 2001-08-28 Alcatel Optical fiber organizer
US20030072551A1 (en) * 2001-10-12 2003-04-17 Douglas Joel B. Rotating vertical fiber tray and methods

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6095461A (en) * 1998-03-19 2000-08-01 Lucent Technologies Inc. Apparatus and method for reducing wear on a conductor
US6675720B2 (en) * 2001-08-31 2004-01-13 Hewlett-Packard Development Company, L.P. Management system for multiple cables
NL1019149C2 (nl) * 2001-10-10 2003-04-11 Fiber Xs B V Rotatiemechaniek voor een paneel in een verdeelkast.

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5421532A (en) * 1992-09-04 1995-06-06 Krone Aktiengesellschaft Device for storing the single and bundle wires of glass-fiber cables in distributor devices used in telecommunication and data transfer applications
US6282360B1 (en) * 1999-02-04 2001-08-28 Alcatel Optical fiber organizer
US20030072551A1 (en) * 2001-10-12 2003-04-17 Douglas Joel B. Rotating vertical fiber tray and methods

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
M. BARABASH: "Cycloids, Billards, Lissajou: Using the Computer to visualize Irrational Numbers an what can this be good for", INTERNATIONAL JOURNAL OF COMPUTERS FOR MATHEMETICAL LEARNING, vol. 8, no. 3, 2003, pages 333 - 356, XP002311346 *

Also Published As

Publication number Publication date
DE202004017492U1 (de) 2005-01-13
DE10354370A1 (de) 2005-06-23
EP1685437A1 (fr) 2006-08-02

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