WO2003076997A1 - Faseroptisches steckverbindersystem - Google Patents
Faseroptisches steckverbindersystem Download PDFInfo
- Publication number
- WO2003076997A1 WO2003076997A1 PCT/CH2003/000011 CH0300011W WO03076997A1 WO 2003076997 A1 WO2003076997 A1 WO 2003076997A1 CH 0300011 W CH0300011 W CH 0300011W WO 03076997 A1 WO03076997 A1 WO 03076997A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- connector system
- adapter
- connector
- plug
- guide
- Prior art date
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
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/381—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres
- G02B6/3825—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres with an intermediate part, e.g. adapter, receptacle, linking two plugs
-
- 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
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/3873—Connectors using guide surfaces for aligning ferrule ends, e.g. tubes, sleeves, V-grooves, rods, pins, balls
- G02B6/3874—Connectors using guide surfaces for aligning ferrule ends, e.g. tubes, sleeves, V-grooves, rods, pins, balls using tubes, sleeves to align ferrules
- G02B6/3875—Floatingly supported sleeves
-
- 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
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/3873—Connectors using guide surfaces for aligning ferrule ends, e.g. tubes, sleeves, V-grooves, rods, pins, balls
- G02B6/3874—Connectors using guide surfaces for aligning ferrule ends, e.g. tubes, sleeves, V-grooves, rods, pins, balls using tubes, sleeves to align ferrules
- G02B6/3878—Connectors using guide surfaces for aligning ferrule ends, e.g. tubes, sleeves, V-grooves, rods, pins, balls using tubes, sleeves to align ferrules comprising a plurality of ferrules, branching and break-out means
- G02B6/3879—Linking of individual connector plugs to an overconnector, e.g. using clamps, clips, common housings comprising several individual connector plugs
Definitions
- the present invention relates to the field of fiber optic connection technology. It relates to a fiber optic connector system according to the preamble of claim 1.
- Such a system is e.g. known from EP-A2-0 430 107 (Fig. 27 and associated text) or EP-A2-1 168020.
- cables have long been used, in which a plurality of, for example, 12 individual parallel fibers are combined in one cable (so-called “ribbon cable”).
- ribbon cable For such cables there are special connector systems in which all the fibers of the cable are connected to one another in a predetermined, unchangeable arrangement with one connector. Examples of such connector systems are disclosed in US-A-5,214,730 or in US-A-6,352,372. The last-mentioned publication in particular makes it clear that highly integrated connector systems with extremely high connection density can be realized in this way.
- the object is achieved by the entirety of the features of claim 1.
- the essence of the invention is to achieve a low overall height and, at the same time, a high connector density by means of a multi-part adapter housing, in which the guide sleeves required for the plug connection are held directly between the housing parts.
- the adapter housing consists of one flat, plate-shaped upper part and a flat, plate-shaped lower part is composed.
- the correct assembly of the multi-part adapter housing is facilitated by the fact that guide means for aligning the two parts with one another are provided on the upper and / or lower part, the guide means preferably comprising a plurality of distributed guide pins which are attached in one of the parts and in a corresponding bore immerse in the other part.
- connecting means are provided for releasably connecting the upper and lower parts, which in particular comprise screw connections.
- the system can be easily dismantled for maintenance or repair purposes if required.
- a central web extending transversely to the plug-in direction is provided in the upper and lower part, which has a plurality of semi-cylindrical depressions arranged one behind the other in the longitudinal direction of the central web for receiving the guide sleeves. Furthermore, in the upper and lower part in the plug-in direction in front of and behind the central web, guide rails extending in the plug-in direction between the guide sleeves are provided, which define an associated insertion channel for a plug connector for each of the guide sleeves.
- ferrules used in the connectors have an outside diameter of 1.25 mm.
- a preferred embodiment of the invention is characterized in that the plug connectors each have a holder, preferably made of a plastic, in the form of a rectangular frame which is elongated in the plug-in direction and encloses an interior, an opening for the ferrule in the front and an opening in the rear Through hole for the passage of a fiber-optic cable are provided that a spring element, in particular in the form of a spiral spring, is mounted for the suspension of the ferrule in the interior of the holder, that the opening for the ferrule is designed to be open to the side to simplify assembly.
- a spring element in particular in the form of a spiral spring
- the ferrule is preferably inserted into an inner part, preferably made of a metal, arranged in the interior of the holder, the inner part has a guide sleeve for guiding the spring element, and are on the inner part Means are provided which enable the inner part to be adjusted by rotating it about its longitudinal axis into different angular positions, the adjusting means in particular comprising an adjusting section with a square cross section, which adjoins the guide sleeve in the front region of the inner part and has a receiving bore for receiving the ferrule, and on which the spring element is supported with its front end.
- each side wall has a resilient section with a latching element arranged thereon in the brackets, and in that latching openings are provided in the adapter housing, into which the plug connectors snap with their latching elements when inserted into the adapter housing.
- the guide sleeves in the adapter are combined into several groups, each comprising several guide sleeves. With a total of twelve individual plug connections, it is advantageous to provide two groups of six guide sleeves in the adapter.
- Figure 1 is a perspective side view of a fiber optic connector system according to a preferred embodiment of the invention for the individual connection of a total of 12 fibers in two groups of 6 fibers each.
- Fig. 2 shows the adapter of the connector system from Fig. 1 in one
- FIG. 3 shows the adapter in the illustration according to FIG. 2 with the associated plug-in connectors in the partially inserted state
- Fig. 4 in an exploded view of a single connector
- FIG. 5 shows the adapter from FIG. 1 in a view from the front and in a top view from above.
- the fiber optic connector system 10 comprises an adapter 11, which has a rectangular, flat adapter housing 12 consisting of an upper part 17 and a lower part 18.
- an adapter 11 which has a rectangular, flat adapter housing 12 consisting of an upper part 17 and a lower part 18.
- two rows of plug-in openings 16 lying directly next to one another are arranged (see also FIG. 5, upper part of the figure).
- there are 6 insertion openings 16 per row that is, a total of 12 insertion openings 16.
- numbers 1 ... 12 are applied to the top of the adapter housing 12.
- Each of the insertion openings 16 is assigned an insertion channel (47 in FIG. 2) which runs within the adapter housing 12.
- Two directly opposite insertion openings 16 and insertion channels 47 form a pair that can be used to connect two optical fibers.
- the optical fibers are each provided at their ends with a connector 13 matched to the adapter 11.
- a maximum of 12 pairs of optical fibers can optionally be connected to one another with the adapter shown in FIG. 1, for which a total of the 24 connectors 13 shown in FIG. 1 are required (23 connectors are shown in the inserted state in FIG. 1, 1 connector on) Position 1 is shown pulled out).
- the two parts 17 and 18 of the adapter housing are detachably connected to one another by a plurality of screw connections 19.
- the screw connections 19 preferably each comprise a screw (19a in FIG. 2) and a nut (19b in FIG. 2). Screw heads and nuts are sunk on the adapter housing 12 in corresponding screw holes (22 in FIG. 2). So that the adapter 11 can be fastened to a base (rear wall, printed circuit board or the like), a fastening hole 20 is provided in the middle through the adapter housing 12. see.
- the adapter housing 12 has semicircular cutouts on its transverse sides, which can be used for positioning and / or fastening.
- the internal structure of the adapter 11 is shown in the exploded view in FIG. 2.
- Central elements of the adapter 11 are a plurality of cylindrical guide sleeves 45, of which there are one per connector, that is, a total of 12.
- the guide sleeves 45 take the ferrules (23 in FIGS. 3, 4) in a manner known per se ) of the connector 13 and guide them so that the ferrules of the two connectors involved in the connector and the fiber ends seated in the central bores of the ferrules abut one another with the end faces.
- the ferrules 45 are mounted directly in the parts 17 and 18 of the adapter housing 12.
- a longitudinal web 44 is formed in the upper part 17 and lower part 18, in which two rows of rows extending in the direction of insertion are arranged one behind the other in the longitudinal direction.
- parallel, semi-cylindrical recesses 48 are formed.
- the guide sleeves 45 are supported and held with play in the trough-like depressions 48, which complement one another when the upper and lower parts 17 and 18 are screwed together.
- two widely spaced guide pins 42 are arranged on the upper side of the lower part 18, which plunge into corresponding bores on the underside of the upper part 17 and so align the two parts 17, 18 with each other.
- Upper part 17 and lower part 18 are two flat plates of the same height, which are essentially mirror-symmetrical to a central plane.
- the total height of the adapter housing 12 is not more than about 5 mm.
- In the upper part 17 and in the lower part 18 are in the plug-in direction in front of and behind the central web 44 in a lower level between the guide sleeves 45 in each direction guide rails 46 provided.
- Two guide rails 46, each adjacent to a guide sleeve 45, define an insertion channel 47 associated with the guide sleeve for a plug connector 13.
- the plug connectors - as shown in FIG. 3 - can be inserted into the insertion channels 47 thus formed, their ferrules 23 being received by the associated guide sleeves 45. Since each of the 12 plug connections has its own insertion channel on each side of the guide sleeve 45, the 12 plug connections can be inserted completely independently of one another, as is indicated by the plug connector 13 shown in FIG. 3. So that the plug connector 13 is securely held in the plugged-in state in the adapter 11, a latching device is provided per plug connector, which according to FIG. 1 comprises a resilient latching element 14 in the form of a latching step on the plug connector 13, with which the plug connector 13 in the plugged-in state a locking opening 15 snaps into the upper part 17 of the adapter housing 12. To release the latching, the latching element 14 can be pressed downward from above through the latching openings 15 using a suitable object or tool and the plug connector 13 can be pulled out of the insertion channel 47 at the same time.
- a connector is preferably used as a connector 13, which the applicant has already used in another context (WO-A1-015 / 59499) in a different context, namely as an insert in a backplane connector is.
- the structure of the connector 13 is shown in Fig. 4 in an exploded view.
- the ferrule 23 material: eg zirconia; diameter: preferably 1.25 mm
- an inner part 24 made of metal
- a frame-shaped holder 29 Injection molded part made of plastic
- a crimp neck 37 made of metal
- a crimp sleeve 41 also made of metal.
- another spring element for example a rubber hose, can be used instead of the spiral spring.
- the bracket 29 forms the basic component of the connector 13 and gives the connector 13 the necessary mechanical stability.
- the remaining components 23, 24, 28, 37 and 41 are accommodated in the holder 29 or attached to the holder 29.
- the holder 29 has the shape of a rectangular frame which is elongated in the direction of insertion and encloses an interior 33.
- An opening 30 for the ferrule 23 is provided in the front wall (front) of the frame.
- In the rear wall (rear side) there is a through hole 34 for the passage of the fiber optic cable 32, as well as a rectangular receiving space 35.
- a square recess (not visible in FIG. 3) is arranged on the outside of the rear wall.
- the crimp neck 37 comprises a square holding plate 39, to which a pipe socket 38 or 40 connects in the axial direction at the front and rear.
- the front pipe socket 38 also carries a concentric annular bead 43.
- the tubular piece 38 engages with its annular bead 43 in the receiving space 35.
- the holding plate 39 comes in the above. Recess of the rear wall to lie and thus secures the crimped neck 37 pressed into the holder 29 against rotation by a torsional force acting on the cable 32.
- the front pipe socket 38 which projects into the interior 33 when the crimped neck 37 is pressed in, serves to support the spiral spring 28 inserted into the interior 33.
- the rear pipe socket 40 protruding rearward from the holder 29 serves to fix the strain relief of the fiber-optic cable 32 by means of the slide and then crimp sleeve 41.
- the ferrule 23, the inner part 24 and the spiral spring 28 are mounted in the interior 33 of the holder 29.
- the inner part 24 comprises a guide sleeve 27 for guiding the spiral spring 28 and an adjustment section 26 with a square cross section.
- the adjustment section 26 closes in the front area of the inner part 24 on the guide sleeve 27 and has a receiving bore 25 for receiving the ferrule 23.
- the coil spring 28 drawn over the guide sleeve 27 is supported with its front end on the back of the adjustment section 26.
- the ferrule 23 is pressed into the receiving bore 25 on the inner part 24 and, together with the inner part 24 and the pushed-on spiral spring 28, is inserted into the interior 33 from the open side of the holder.
- this opening 30 is open to the side.
- the interaction between the square adjustment section 26 and the rectangular interior 33 enables the inner part 24 (or the fiber) to be adjusted by rotating about its longitudinal axis into different angular positions (in 4 steps of 90 ° each).
- the spiral spring 28 presses the inner part against the front of the holder 29, so that the adjusted position can be held.
- elongated limiting elements 36 can be formed on the inside of the longitudinal walls of the holder.
- Plug connector 13 can be plugged into the adapter 11, the upper side wall of each holder 29 has a slightly V-shaped, protruding outwardly, resilient section 31 with a locking step (locking element 14) arranged thereon, which - as already described above - When inserting the connector 13 into the associated locking opening 15 on the adapter housing 12 releasably engages.
- each connector 13 or each insertion opening 16 has dimensions (width x height) with a width w of approximately 2.4 mm and a height h of approximately 3.4 mm. The distance d is then approximately the same size as the width w.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Coupling Of Light Guides (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/507,454 US20050135753A1 (en) | 2002-03-14 | 2003-01-13 | Fibre-optic plug-in connector system |
AU2003252823A AU2003252823A1 (en) | 2002-03-14 | 2003-01-13 | Fibre-optic plug-in connector system |
EP03700033A EP1483610A1 (de) | 2002-03-14 | 2003-01-13 | Faseroptisches steckverbindersystem |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH4482002 | 2002-03-14 | ||
CH448/02 | 2002-03-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2003076997A1 true WO2003076997A1 (de) | 2003-09-18 |
Family
ID=27792868
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CH2003/000011 WO2003076997A1 (de) | 2002-03-14 | 2003-01-13 | Faseroptisches steckverbindersystem |
Country Status (4)
Country | Link |
---|---|
US (1) | US20050135753A1 (de) |
EP (1) | EP1483610A1 (de) |
AU (1) | AU2003252823A1 (de) |
WO (1) | WO2003076997A1 (de) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2005096049A1 (de) * | 2004-03-17 | 2005-10-13 | Adc Gmbh | Glasfaser-steckverbindung |
US8403570B2 (en) | 2008-04-10 | 2013-03-26 | Amphenol Corporation | Plural fiber optic interconnect |
WO2023160748A1 (de) | 2022-02-28 | 2023-08-31 | HARTING Electronics GmbH | Verbindersystem für optische fasern und montagevorrichtung |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20090052845A1 (en) * | 2005-03-23 | 2009-02-26 | Shigehiro Oi | Fixing Structure of Optical Cable |
US8270796B2 (en) * | 2008-03-04 | 2012-09-18 | Adc Telecommunications, Inc. | Multi-port adapter block |
EP2297603A1 (de) * | 2008-06-03 | 2011-03-23 | Huber+Suhner AG | Modularer optischer mehrfachsteckverbinder |
AU2008362634A1 (en) | 2008-10-09 | 2010-04-15 | Corning Cable Systems (Shanghai) Co., Ltd | Fiber optic terminal having adapter panel supporting both input and output fibers from an optical splitter |
US8879882B2 (en) | 2008-10-27 | 2014-11-04 | Corning Cable Systems Llc | Variably configurable and modular local convergence point |
AU2011317244A1 (en) | 2010-10-19 | 2013-05-23 | Corning Cable Systems Llc | Transition box for multiple dwelling unit fiber optic distribution network |
US8753022B2 (en) | 2010-11-30 | 2014-06-17 | Adc Telecommunications, Inc. | LC connector and method of assembly |
TWM449965U (zh) * | 2011-06-14 | 2013-04-01 | Molex Inc | 具有一體扣合機構的套管組件 |
US9219546B2 (en) | 2011-12-12 | 2015-12-22 | Corning Optical Communications LLC | Extremely high frequency (EHF) distributed antenna systems, and related components and methods |
CN102565963B (zh) * | 2012-02-27 | 2017-04-26 | 深圳日海通讯技术股份有限公司 | 一种高密度光纤连接器及其装配方法 |
US10110307B2 (en) | 2012-03-02 | 2018-10-23 | Corning Optical Communications LLC | Optical network units (ONUs) for high bandwidth connectivity, and related components and methods |
US9004778B2 (en) * | 2012-06-29 | 2015-04-14 | Corning Cable Systems Llc | Indexable optical fiber connectors and optical fiber connector arrays |
US9049500B2 (en) | 2012-08-31 | 2015-06-02 | Corning Cable Systems Llc | Fiber optic terminals, systems, and methods for network service management |
US9146362B2 (en) | 2012-09-21 | 2015-09-29 | Adc Telecommunications, Inc. | Insertion and removal tool for a fiber optic ferrule alignment sleeve |
US8909019B2 (en) | 2012-10-11 | 2014-12-09 | Ccs Technology, Inc. | System comprising a plurality of distribution devices and distribution device |
JP2018518704A (ja) | 2015-05-15 | 2018-07-12 | エーディーシー テレコミュニケーションズ(シャンハイ)ディストリビューション カンパニー リミテッド | アラインメントスリーブアセンブリ及び光ファイバーアダプター |
US10591681B2 (en) * | 2017-07-13 | 2020-03-17 | Nest Technical Services, Inc. | Multichannel fiber optic connector, adapter, and contact retention method |
TWI684038B (zh) * | 2017-10-20 | 2020-02-01 | 凌國基 | 光纖連接器及其集合結構 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0430107A2 (de) * | 1989-11-24 | 1991-06-05 | Nippon Telegraph And Telephone Corporation | Optischer Stecker |
US5214730A (en) * | 1991-05-13 | 1993-05-25 | Nippon Telegraph And Telephone Corporation | Multifiber optical connector plug with low reflection and low insertion loss |
WO2001059499A1 (de) * | 2000-02-11 | 2001-08-16 | Huber & Suhner Ag | Optischer steckverbinder zum gleichzeitigen verbinden einer mehrzahl von faseroptischen kabeln sowie einsatz für einen solchen steckverbinder |
EP1168020A2 (de) * | 2000-06-30 | 2002-01-02 | Berg Electronics Manufacturing B.V. | Adapter zum Verbinden einer Vielzahl optischer Stecker |
US6352372B1 (en) * | 1999-10-11 | 2002-03-05 | Lucent Technologies Inc. | High-density optical connectors |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3066739B2 (ja) * | 1996-07-15 | 2000-07-17 | セイコーインスツルメンツ株式会社 | 汎用光コネクタ及びベーシックプラグ |
-
2003
- 2003-01-13 EP EP03700033A patent/EP1483610A1/de not_active Withdrawn
- 2003-01-13 WO PCT/CH2003/000011 patent/WO2003076997A1/de not_active Application Discontinuation
- 2003-01-13 US US10/507,454 patent/US20050135753A1/en not_active Abandoned
- 2003-01-13 AU AU2003252823A patent/AU2003252823A1/en not_active Abandoned
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0430107A2 (de) * | 1989-11-24 | 1991-06-05 | Nippon Telegraph And Telephone Corporation | Optischer Stecker |
US5214730A (en) * | 1991-05-13 | 1993-05-25 | Nippon Telegraph And Telephone Corporation | Multifiber optical connector plug with low reflection and low insertion loss |
US6352372B1 (en) * | 1999-10-11 | 2002-03-05 | Lucent Technologies Inc. | High-density optical connectors |
WO2001059499A1 (de) * | 2000-02-11 | 2001-08-16 | Huber & Suhner Ag | Optischer steckverbinder zum gleichzeitigen verbinden einer mehrzahl von faseroptischen kabeln sowie einsatz für einen solchen steckverbinder |
EP1168020A2 (de) * | 2000-06-30 | 2002-01-02 | Berg Electronics Manufacturing B.V. | Adapter zum Verbinden einer Vielzahl optischer Stecker |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2005096049A1 (de) * | 2004-03-17 | 2005-10-13 | Adc Gmbh | Glasfaser-steckverbindung |
DE102004013905A1 (de) * | 2004-03-17 | 2005-10-20 | Adc Gmbh | Glasfaser-Steckverbindung |
DE102004013905B4 (de) * | 2004-03-17 | 2006-01-26 | Adc Gmbh | Glasfaser-Steckverbindung |
US7419309B2 (en) | 2004-03-17 | 2008-09-02 | Adc Gmbh | Optical fiber plug connector |
US7690848B2 (en) | 2004-03-17 | 2010-04-06 | Adc Gmbh | Optical fiber plug connector |
US8403570B2 (en) | 2008-04-10 | 2013-03-26 | Amphenol Corporation | Plural fiber optic interconnect |
WO2023160748A1 (de) | 2022-02-28 | 2023-08-31 | HARTING Electronics GmbH | Verbindersystem für optische fasern und montagevorrichtung |
DE102022104667A1 (de) | 2022-02-28 | 2023-08-31 | HARTING Electronics GmbH | Verbindersystem für optische Fasern und Montagevorrichtung |
Also Published As
Publication number | Publication date |
---|---|
US20050135753A1 (en) | 2005-06-23 |
EP1483610A1 (de) | 2004-12-08 |
AU2003252823A1 (en) | 2003-09-22 |
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