EP0852019A1 - Dispositif connecteur pour la connexion d'extremites de fibres optiques avec des elements emetteurs et/ou recepteurs - Google Patents

Dispositif connecteur pour la connexion d'extremites de fibres optiques avec des elements emetteurs et/ou recepteurs

Info

Publication number
EP0852019A1
EP0852019A1 EP96929465A EP96929465A EP0852019A1 EP 0852019 A1 EP0852019 A1 EP 0852019A1 EP 96929465 A EP96929465 A EP 96929465A EP 96929465 A EP96929465 A EP 96929465A EP 0852019 A1 EP0852019 A1 EP 0852019A1
Authority
EP
European Patent Office
Prior art keywords
receptacle
housing
connecting device
connector
printed circuit
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.)
Ceased
Application number
EP96929465A
Other languages
German (de)
English (en)
Inventor
Georg Grella
Richard Gaszczak
Klaus Schittenhelm
Rudolf Kraemer
Werner Tille
Christian Schreitlinger
Martin Maluche
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.)
Whitaker LLC
Original Assignee
Whitaker LLC
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
Priority claimed from DE1995135149 external-priority patent/DE19535149A1/de
Application filed by Whitaker LLC filed Critical Whitaker LLC
Publication of EP0852019A1 publication Critical patent/EP0852019A1/fr
Ceased 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
    • G02B6/24—Coupling light guides
    • G02B6/42—Coupling light guides with opto-electronic elements
    • G02B6/4201—Packages, e.g. shape, construction, internal or external details
    • G02B6/4246—Bidirectionally operating package structures
    • 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
    • G02B6/24—Coupling light guides
    • G02B6/42—Coupling light guides with opto-electronic elements
    • G02B6/4292—Coupling light guides with opto-electronic elements the light guide being disconnectable from the opto-electronic element, e.g. mutually self aligning arrangements

Definitions

  • the invention relates to a connecting device for connecting optical fiber ends to transmitting and / or receiving elements, at least one optical fiber end being contained in a plug connector.
  • Fiber optic cables are usually used for this purpose, which are equipped with plugs for creating connections with one another or for connecting to other optical or optoelectronic components.
  • data communication systems have optoelectronic receiving and transmitting elements which are used to convert the optical signals into electrical signals and vice versa.
  • a number of demands are made on an optical data communication system with optical fibers.
  • the object is achieved by a connecting device with the features of claim 1.
  • the connecting device consists of a receptacle for receiving at least one connector in which at least one end of the license fiber is contained, a housing in which the receptacle is resiliently mounted and means for latching which are provided on the housing and which cooperate with corresponding complementary means on the connector to fix it to the surrounding housing.
  • the connection device can be constructed in a particularly compact manner. During the plugging process, the receptacle with the active components is pressed against the optical fiber ends of the connector to compensate for tolerances, while the latching hooks of the connector are locked in the surrounding housing. This ensures that the intended distance is maintained between the optical fiber ends and the active components.
  • the receptacle In order to shield the two from each other, it is possible to produce the receptacle from a material with electromagnetic shielding properties. It also has a space-saving effect if two optical fiber ends are arranged in a connector and this connector can be inserted into a receptacle.
  • the receptacle can be inserted into the surrounding housing and is resiliently mounted there. It makes sense to To provide guidance of the receptacle in the outer housing, thereby defining a predetermined direction of movement for the receptacle.
  • stops are provided for the receptacle, between which it can move. Due to the spring that is inserted between the housing and the receptacle, the receptacle is always in a predetermined starting position at one of the stops, when no connector is inserted.
  • Axial tolerance compensation is ensured by using the spring. If one also provides appropriate clearance in the radial direction between the housing and the receptacle, then radial tolerance compensation can also take place. In order to ensure such a tolerance compensation, it is particularly advantageous to use a leaf spring between the receptacle and the surrounding housing, which has one bearing point on the receptacle and two bearing points on the surrounding housing. The leaf spring can be attached to the holder.
  • Connection device is obtained if it is designed as a circuit board connector. You can do this on Provide housing pins with which this can be mounted in a circuit board. A base plate on the surrounding housing can then be dispensed with, since this task is performed by the printed circuit board. This makes it particularly easy to insert the receptacle into the surrounding housing.
  • the spring which merges into the shielding of the active element.
  • the spring should then have an earth connection.
  • it is designed as a leaf spring and surrounds the receptacle. Decoupling of the shield and the current-carrying conductor tracks can be achieved by such an arrangement.
  • the spring which then also acts as a shield, also shields the conductor tracks between the active element and the circuit card.
  • Another particularly simple structure is obtained if one not only electrically contacts the active element via a flexible printed circuit, but also shields the receptacle by means of the flexible printed circuit card.
  • the flexible printed circuit board thus simultaneously takes on the function of shielding and contacting a moving part.
  • the flexible printed circuit board can have a copper coating or an additional film in the corresponding areas.
  • 2a and 2b show two side views of a receptacle
  • 3a and 3b show two side views of a surrounding housing
  • FIG. 4a and FIG. 4b show a side view and a top view of a connector
  • FIG. 5 shows a top view of a recording
  • FIG. 6 shows a top view of a housing
  • FIG. 7 shows a partial cross section through a housing with a receptacle
  • FIGS. 8a-8e show several views of a plug connector
  • 9a and 9b show two sections through a connector
  • 10a and 10b show two views of optical fiber ends with sleeves
  • FIG. 11 shows a schematic illustration of the arrangement according to the invention to explain the mode of operation
  • FIG. 12 shows a cross section through the housing with the receptacle inserted and a side view of a plug connector
  • FIG. 13 shows a side view of a recording with a flexible circuit card
  • FIGS. 14a to 14c show a section through the housing and receptacle, a view of the housing with inserted receptacle and a view of a plug connector
  • FIG. 15 shows a longitudinal section through a receptacle with an integrated leaf spring
  • FIGS. 16a to 16c are a top view, a side view and a view of those to be mounted on the printed circuit board
  • FIG. 17 shows a cross section through a receptacle with a spring and shield formed in one piece.
  • FIGS. 2a and 2b show a receptacle 1 in two different side views.
  • This optoelectronic transmission or reception element 2 is electrically contacted by a flexible printed circuit 10.
  • the flexible printed circuit 10 is connected to a corresponding pin header 11.
  • FIGS. 2a and 2b show two side views of the surrounding housing 4. This housing is not only used to accommodate the receptacle and the plug connector, but is also used to make contact with other electrical cables. A lateral recess in the surrounding housing can be clearly seen in FIG. 3b. This recess serves partly as a means for guiding 8 the nose 7 in the receptacle, but also as
  • Figure 4b also shows the connector 3.
  • the receptacle 1 with the flexible printed circuit 10 and the pin header 11 is shown.
  • the lugs 7 and 7 ' can again be clearly seen, as well as the contact pattern for the optical fiber ends. It can be clearly seen that the plug connector 3 can be inserted into the receptacle 1.
  • the arrow between FIGS. 5 and 6 is intended to indicate that the receptacle from FIG. 5 can be introduced into the surrounding housing 4 of FIG. 6.
  • a housing is shown with an inserted receptacle in partial section.
  • the springs 12 and 12 ' are indicated, via which the receptacle 1 is resiliently mounted in the housing 4.
  • the lugs 7 and 7 'rest on the springs 12 and 12' If a connector 3 is inserted into the receptacle located in the surrounding housing, the receptacle is first pressed further into the surrounding housing until the latching means on the connector 16, 16 'are locked behind the latching means on the surrounding housing 5, 5'. Then the springs 12, 12 'press the receptacle 1 with the active elements 2 against the optical fiber ends.
  • the plug connector 3 is polarized, that is to say it can only be inserted into the receptacle 1 in one orientation and not in the orientation rotated by 180 °.
  • the result of this is that an optical fiber which is to be connected to an optical receiving element is not accidentally connected to an optical transmitting element and, as a result, another transmitting element is damaged.
  • Figures 8a-8e, 9a, 9b, 10a and 10b again show details of the connector.
  • Figures 10a and 10b show sleeves 9 and 9 'in the optical fiber ends. It can be seen from FIG. 10b that these sleeves are already polarized in order to prevent the optical fiber ends from being interchanged when inserted into the connector housing.
  • a nose 13 is provided on the sleeve for polarization.
  • Figures 9a and 9b show sections through the housing of the connector.
  • FIGS. 8a-8e show the plug connectors with the optical fiber ends inserted in sleeves in different views shown.
  • the reference symbols used in FIGS. 1 a and 1 b also apply here.
  • FIG. 11 shows a circuit board 111 on which a housing 104 with a receptacle 101 is mounted.
  • a connector 103 which is latched to the housing 104 and the connector 103 in the housing 104 by means of latching means 105 and 106.
  • the active element 102 which is first electrically contacted by a flexible circuit card 110 and secondly is surrounded for shielding.
  • the optical waveguide contained in the plug connector contacts the active element 102 at point 113.
  • a spiral spring 112 is shown in the schematic illustration in FIG. 11, which is intended to clarify the mode of operation of the spring between the housing 104 and the receptacle 101.
  • the housing has two stops 114 and 115, between which the receptacle 101 can move.
  • FIG. 13 shows the connector again, which receives two optical fiber ends and has a latching arm 106 for latching in the surrounding housing.
  • the pins 108, 109 can be seen with which the outer housing is fixed on the circuit board.
  • the receptacle 101 is in its starting position.
  • the flexible circuit card 110 is fastened to the bottom of the surrounding housing 104 and merges there into a pin strip 116 which can be contacted via the circuit card 111. It can also be seen how the flexible circuit card surrounds the active element for shielding.
  • FIG. 13 shows a side view of the receptacle 101.
  • FIG. 14a shows a cross section through the receptacle 101 and the surrounding housing 104, it being evident that two active elements are provided in the receptacle 101, and two optical waveguides can also be introduced.
  • FIG. 14b shows a view of the surrounding housing with the receptacle 101 from the side of the connector to be inserted, and
  • FIG. 14c shows the connector to be inserted from the front side.
  • FIG. 15 shows a longitudinal cross section through a picture 101.
  • the leaf spring 112 is shown both in the relaxed and in the tensioned state. You can also see the contacts that lead to the active elements.
  • FIG. 16a shows a top view of a surrounding housing 104, the cutout 117 showing the receptacle 101.
  • the side view of the housing 104 shown in FIG. 16b shows the pins 108, 109 with which the housing can be fixed on a printed circuit board and the contacts 116 for contacting the active ones
  • FIG. 14c shows a view of the surrounding housing with a receptacle from the circuit board side.
  • the pins can also be seen here, but also the position of the receptacle in the surrounding housing and the position of the active elements 102, 102 'of the flexible printed circuit board 110, the pin contacts 116 and the pins 108 and 109 for fastening the surrounding housing 104 on the printed circuit board, too the spring 112 can be seen.
  • FIG. 17 a device for connecting two optical fiber ends, each with a transmitting and receiving element, is shown in section. The principle of this arrangement can also be used to connect only one or more optical fiber ends.
  • a circuit board 111 is shown on which a housing 104 is mounted. In this housing 104 there is a receptacle 101 which is held in the housing 104 in a first position. If a plug with optical fiber ends is inserted, the moves
  • the spring 171 is inserted between the receptacle 101 and the housing 4. It is a leaf spring that merges into a shield 172. Shield 172 and spring 171 are thus formed in one piece.
  • the shield 172 surrounds the receptacle 101 in which the active elements 102 are located.
  • the active elements 102 are connected to corresponding contacts on the printed circuit board 111 via a feed line 173, for example a ribbon cable.
  • the spring 171 is arranged such that it also shields the lead 173.
  • a ground contact 174 is provided on the spring 171, which is also connected to corresponding lines on the circuit board 111. The end of the spring 171 with the ground contact 174 can be connected to the outer housing 104 by means of a bent tab which engages in a corresponding opening in the outer housing 104.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Couplings Of Light Guides (AREA)

Abstract

L'invention a pour objet un dispositif connecteur particulièrement compact et présentant de faibles valeurs d'atténuation. Le dispositif connecteur selon l'invention comporte un logement (1) à l'intérieur duquel est fixé au moins un élément actif (2) et destiné a recevoir au moins un connecteur à fiche (3) avec au moins une extrémité de fibre optique. Le dispositif connecteur comporte en outre un boîtier (4) dans lequel le logement (1) est monté élastiquement. De plus, le boîtier présente des moyens d'encliquetage (5) coopérant avec des moyens complémentaires prévus sur le connecteur à fiche (3) afin de fixer ce dernier sur le boîtier (4).
EP96929465A 1995-09-21 1996-09-19 Dispositif connecteur pour la connexion d'extremites de fibres optiques avec des elements emetteurs et/ou recepteurs Ceased EP0852019A1 (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE1995135149 DE19535149A1 (de) 1995-09-21 1995-09-21 Verbindungseinrichtung zum Verbinden von Lichtleitfaserenden mit Sende- und/oder Empfangselementen
DE19535149 1995-09-21
DE1995147769 DE19547769A1 (de) 1995-09-21 1995-12-20 Verbindungseinrichtung zum Verbinden von Lichtleitfaserenden mit Sende- und/oder Empfangselementen
DE19547769 1995-12-20
PCT/IB1996/000955 WO1997011397A1 (fr) 1995-09-21 1996-09-19 Dispositif connecteur pour la connexion d'extremites de fibres optiques avec des elements emetteurs et/ou recepteurs

Publications (1)

Publication Number Publication Date
EP0852019A1 true EP0852019A1 (fr) 1998-07-08

Family

ID=26018813

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96929465A Ceased EP0852019A1 (fr) 1995-09-21 1996-09-19 Dispositif connecteur pour la connexion d'extremites de fibres optiques avec des elements emetteurs et/ou recepteurs

Country Status (2)

Country Link
EP (1) EP0852019A1 (fr)
WO (1) WO1997011397A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1180703A1 (fr) * 2000-08-11 2002-02-20 Delphi Technologies, Inc. Module opto-électronique avec support à ressort pour transmetteur et récepteur optiques
US9022666B2 (en) * 2011-11-16 2015-05-05 Tyco Electronics Corporation Optical communication connectors with modules movable in a mating direction

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4767179A (en) * 1982-12-20 1988-08-30 Molex Incorporated Fiber optic connector assembly
US4840451A (en) * 1987-12-08 1989-06-20 Molex Incorporated Shielded fiber optic connector assembly
NL9000967A (nl) * 1990-04-23 1991-11-18 Du Pont Nederland Inrichting voor elektro-optische signaalconversie.
US5091988A (en) * 1991-04-12 1992-02-25 At&T Bell Laboratories Article for connecting optical fibers

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9711397A1 *

Also Published As

Publication number Publication date
WO1997011397A1 (fr) 1997-03-27

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