Source: https://patents.google.com/patent/CN104823090B/en
Timestamp: 2020-02-17 03:16:09
Document Index: 636983133

Matched Legal Cases: ['art 30', 'art 30', 'art 30', 'art 30', 'art 30', 'art 80']

CN104823090B - The joints of optical fibre with field-attachable outconnector housing - Google Patents
The joints of optical fibre with field-attachable outconnector housing Download PDF
CN104823090B
CN104823090B CN201380062484.6A CN201380062484A CN104823090B CN 104823090 B CN104823090 B CN 104823090B CN 201380062484 A CN201380062484 A CN 201380062484A CN 104823090 B CN104823090 B CN 104823090B
CN201380062484.6A
CN104823090A (en
朱利安·S·马拉尼
2012-11-30 Priority to US61/731,838 priority
2013-11-26 Application filed by 泰科电子公司 filed Critical 泰科电子公司
2013-11-26 Priority to PCT/US2013/072018 priority patent/WO2014085462A1/en
2015-08-05 Publication of CN104823090A publication Critical patent/CN104823090A/en
2017-04-05 Publication of CN104823090B publication Critical patent/CN104823090B/en
The present invention relates to a kind of optical connector, including first sub-component and second sub-component, first sub-component factory is attached to the first end of optical fiber, the first end of second sub-component in-site installation to optical fiber.Optical fiber and first sub-component can be advanced through structure (for example, building) before second sub-component is installed.Second sub-component is interlocked with first sub-component with moving to axial between suppressing.Exemplary first sub-component includes lock pin, hub and the Stress Release sleeve for being attached to optical fiber.Exemplary second sub-component includes mounting blocks and forms the outconnector housing of insertion section.
The joints of optical fibre with field-attachable outconnector housing
The application is the PCT International Patent Application that the applying date is on November 26th, 2013, and requires that the applying date is 2012 On November 30, in, the priority of the U.S. Patent application of Application No. US 61/731,838, the U.S. Patent application is with its disclosure Full content be incorporated into by way of reference herein.
The disclosure is related generally to device in fiber optic communication systems.More specifically, it relates to logical used in optical fiber The joints of optical fibre in letter system.
Optical fiber telecommunications system catches on, and partly cause is that service supplier wants to provide the user the communication of high bandwidth Ability (that is, list (data invoice)).Optical fiber telecommunications system adopts fiber cable network, to upload in relatively remote distance Pass substantial amounts of list signal.The joints of optical fibre are the vitals of most of optical fiber telecommunications systems.The joints of optical fibre are allowed Two optical fiber is quick, be optically connected with, and does not require splicing.The joints of optical fibre can be used in optically mutually interconnecting two sections of optical fiber Connect.The joints of optical fibre can also be used to fiber segment is connected with each other with passive and active devices.
The typical joints of optical fibre include the ferrule assembly of the distal end for being supported on connector shell.Using spring relative Ferrule assembly is biased on the direction of connector shell distal end.The lock pin acts the end for supporting at least one optical fiber. In the case of many fiber stubs, the end of multiple optical fiber is supported.Lock pin has distal face, and the end of the polishing of optical fiber is located at should Distal face.When two joints of optical fibre are connected with each other, the distal face of lock pin is adjacent to each other.Generally, lock pin is by least one bullet Spring is biased together.By the joints of optical fibre for connecting, the optical fiber of each of which is by co-axially align so that the end face of optical fiber is straight each other Connect relative.So, optical signalling can be delivered to another optical fiber from an optical fiber by the end face of the alignment of optical fiber.For many The joints of optical fibre of several classes of type, the alignment between two joints of optical fibre are obtained by using middle fiber adapter.
An aspect of this disclosure is related to a kind of joints of optical fibre with field-attachable connector housing unit.This Disclosed another aspect is related to a kind of fiber optic connector system, and which is easy to the Jing in building as multitenant unit often to occur Pipeline or other ductules in install optical fiber.
The disclosure again relates in one aspect to a kind of optical fiber connecting system, and wherein (for example, lock pin is installed in the end of optical fiber In factory or other manufacturing centers), and connector shell optical fiber desired locations installation after by in-site installation in light Fine end.For example, optical fiber can be arranged in building by lock pin before connector shell is arranged on optical fiber end In conduit, pipeline or other structures.In some examples, spring and Stress Release set can be arranged on optical fiber in factory. In some examples, optical fiber can include protection cushion, for example, 900 microns of elastic separator tube/chuck.In some examples In, optical fiber can be used as with external jacket and the enhancement layer being positioned between optical fiber and external jacket, (for example, aramid yarn adds The layer of strong layer or other tensile strengths for being suitable to strengthen optical fiber) cable a part.In some examples, optical cable can have Overall diameter less than 1.5 millimeters, or the overall diameter less than 1.4 millimeters, or the overall diameter less than 1.3 millimeters, or be less than Or the overall diameter equal to 1.2 millimeters.
The various additional aspects of the present invention will be proposed in explanation below.It is related to single feature or feature in terms of these Combination.It should be appreciated that it is that general remark and following detailed description above is all merely exemplary and description, And the extensive creative theory that unrestricted example disclosed herein is based on.
Fig. 1 is the perspective view of the joints of optical fibre of the principle according to the disclosure；
Fig. 2 is the sectional view of the joints of optical fibre along the vertical plane of the joints of optical fibre for dividing Fig. 1 equally of Fig. 1；
Exploded views of the Fig. 3 for the joints of optical fibre of Fig. 1；
Perspective views of the Fig. 4 for the sub-component of factory's installation of the joints of optical fibre of Fig. 1；
Fig. 5 is illustrated on the sub-component for installing the factory that field-attachable connector housing unit is installed to Fig. 4 The first step；
Fig. 6 is illustrated on the sub-component for installing the factory that field-attachable connector housing unit is installed to Fig. 4 Second step；
Perspective views of the Fig. 7 for the ferrule assembly of the sub-component of factory's installation of Fig. 4；
Another perspective views of the Fig. 8 for the ferrule assembly of Fig. 7；
Another perspective views of the Fig. 9 for the ferrule assembly of Fig. 7；
Another perspective views of the Figure 10 for the ferrule assembly of Fig. 7；
Perspective views of the Figure 11 for the lock pin hub of the ferrule assembly of Fig. 7；
Side views of the Figure 12 for the lock pin hub of Figure 11；
Top views of the Figure 13 for the lock pin hub of Figure 11；
Front end views of the Figure 14 for the lock pin hub of Figure 11；
Rearviews of the Figure 15 for the main connector housing of the joints of optical fibre of Fig. 1；And
Figure 16 shows a part for the joints of optical fibre without spring of the principle according to the disclosure.
Fig. 1-3 illustrates the joints of optical fibre 20 of the principle according to the disclosure.The joints of optical fibre 20 are illustrated installed in light On fine 22.As shown in figure 3, the joints of optical fibre 20 include that the end of optical fiber 22 is supported on lock pin therein 24, supports lock pin 24 Lock pin hub 26, spring 28, mounting blocks 30, to optical fiber 22 provide bending radius protection flexibility Stress Release sleeve 32 (i.e. Set) and main connector housing 34.Spring 28 be trapped in the rear side 36 and mounting blocks 30 of lock pin hub 26 front spring backstop 38 it Between.Mounting blocks 30 can be interlocked with Stress Release sleeve 32, relative between mounting blocks 30 and Stress Release sleeve 32 to prevent Axially-movable.
Main connector housing 34 formed the joints of optical fibre 20 front insertion section, and be suitable to receive lock pin 24, lock pin hub 26, The front spring backstop 38 (referring to Fig. 2) of spring 28 and mounting blocks 30.In some examples, in lock pin hub 26 and main connector housing Define between 34 inside bonded so that lock pin hub 26 is only inserted into main connector on a predetermined direction of rotation The inside (referring to Figure 14 and Figure 15) of housing 34.The front side 40 of lock pin hub 26 can be in main connector housing 34 against shoulder 42 (referring to Figure 15), to prevent lock pin hub 26 from travelling forward in main connector housing 34.Main connector housing 34 can be latched to Mounting blocks 30 are otherwise connected to mounting blocks 30, so that lock pin hub 26 and spring 28 are trapped in main connector housing Between 34 and mounting blocks 30, and thus remain at (referring to Fig. 2) in main connector housing 34.
In some examples, spring 28 is relative to biasing lock pin hub 26 and insert in 34 forward direction of main connector housing Core 24.In some examples, the front end face 44 of lock pin 24 can be access at the front end 46 of main connector housing 34.Optical fiber The end face of 22 polishing is can be positioned on the front end face 44 of lock pin 24.In some examples, front end face 44 is relative to optical fiber 22 Longitudinal axis can be with an angle.In other examples, front end face 44 can be relative to the longitudinal axis orthogonal of optical fiber 22.
In some examples, optical fiber 22 includes core, the coating for surrounding core, one or more coatings for surrounding coating and encirclement The cushion of one or more coatings.In some examples, core can be with the overall diameter in the 8-12 micrometer ranges, and coating can So that with the overall diameter in the 120-130 micrometer ranges, one or more coatings can be with 240-260 micrometer ranges Overall diameter, and outer cushion is with the overall diameter in the 800-1000 micrometer ranges.In some examples, outer cushion can be with It is the elastic separator tube with about 900 microns of overall diameters.In some examples, the core and coating of only optical fiber 22 is supported on slotting In core 24.
Will also recognize, core and coating can be by the material constructions for being suitable to transmission optical signalling, such as glass (for example, Material based on silicon dioxide).Coating can have the refractive index of the refractive index less than core.The refraction of the refractive index and core of coating Difference between rate causes the optical signalling transmitted by optical fiber to be limited in in-core.In some examples, optical fiber be with by The bend insensitive fiber of multiple coating that one or more channeled layers are separated.One or more coatings typically have for example For the polymer architecture of acrylates.
In some examples, optical fiber is received into enhancement layer (for example, the aramid yarn surrounded by external jacket Layer) optical cable in.In certain embodiments, cushion is eliminated, and enhancement layer directly surrounds the coating of optical fiber.Show at some In example, optical cable has the overall diameter less than 1.5 millimeters, or the overall diameter less than 1.4 millimeters, or outer less than 1.3 millimeters Diameter, or the overall diameter less than or equal to 1.2 millimeters.For example, the applying date is May 28, Application No. US 12/ in 2009 473,931, some this optical fiber of the U.S. Patent Application Publication of entitled " optical cable ", the content of the patent application publication During here is by being incorporated herein.
The main connector housing 34 of the joints of optical fibre 20 forms the insertion section of the joints of optical fibre 20, and the joints of optical fibre are matched somebody with somebody It is set to and coordinates in corresponding fiber adapter.In the embodiments described, main connector housing 34 is to be configured to coordinate Lucent Connector housing in LC type fiber adapter.Main connector housing 34 is included for main connector housing 34 is fixed Front breech lock 50 in fiber adapter.Main connector housing 34 also includes rear breech lock 52 (Fig. 3), and the rear breech lock 52 is latched to peace Dress block 30, snaps connection (referring to Fig. 2) for providing between main connector housing 34 and mounting blocks 30.Once main connector shell Body 34 and mounting blocks 30 are latched in together, the longitudinal axis along optical fiber 22 between main connector housing 34 and mounting blocks 30 Relative axial movement be just limited or be prevented from.In some examples, rear breech lock 52 dividually can be bent so that main Connector shell 34 departs from from mounting blocks 30, for keeping in repair, assembles, cleans or other origins of an incident again.In other examples, main company Connect device housing 34 and can correspond to other connector types, for example SC connector, ST connector, FC connector or other The adapter of type.
Stress Release sleeve 32 for elongated, and with the central opening for reception optical fiber 22.In some examples, Stress Release sleeve 32 has polymer architecture and for flexible.In some examples, Stress Release sleeve 32 with Stress Release sleeve 32 from mounting blocks 30 extend back sectional dimension reduction taper configurations.In some examples, Stress Release Sleeve 32 can have strengthens flexible segmented construction (referring to Fig. 2).As shown in figure 3, the leading section limit of Stress Release sleeve 32 Fixed two axially spaced circumferential grooves 56, the circumferential groove 56 receive be limited in mounting blocks 30 corresponding circumferential rib (referring to Fig. 3), with provide between Stress Release sleeve 32 and mounting blocks 30 machinery interlocking.The interlocking of the machinery suppresses or prevents to answer Relative axial movement between power releasing sleeve 32 and mounting blocks 30.So, when mounting blocks 30 are arranged on Stress Release sleeve 32 When upper, during Stress Release sleeve 32 is locked in position relative to mounting blocks 30.
With reference to Fig. 6, mounting blocks 30 have the main body 60 and the forward extension 62 for being projected from main body 60 forward of general rectangular.Before The front end of extension 62 forms front spring backstop 38.Main body 60 includes top and bottom axial groove 64, and the bottom axial groove 64 connects Receive the rear breech lock 52 of main connector housing 34.Main body 60 also defines the holding shoulder 66 of the rear end of neighbouring main body 60.Main connection The grab 68 of the rear breech lock 52 of device housing 34 is engaged with shoulder 66 is kept, to carry between main connector housing 34 and mounting blocks 30 For snapping connection.
As shown in figure 3, mounting blocks 30 include the two-piece construction of upper-part 30A and lower component 30B, upper-part is with Part can pass through the snapping connection of providing of breech lock 70 and be fixed together.As it appears from the above, axially spaced rib can be arranged on In main body 60, to provide interlocking between main body 60 and Stress Release sleeve 32.By the top and bottom of location and installation block 30 Part 30A, 30B cause axial rib to align with the circumferential groove 56 of Stress Release sleeve 32, and subsequently by top and bottom part 30A, 30B are buckled in around Stress Release sleeve 32 together, and mounting blocks 30 and Stress Release sleeve 32 are effectively interlocked one Rise.
The top of mounting blocks 30 and bottom part 30A, 30B can include with dowel pin 74 and be arranged on top and bottom part Opening 76 on the forward extension 62 of the interface between 30A, 30B (referring to Fig. 5).Peace is kept with dowel pin 74 and the auxiliary of opening 76 The top of dress block 30 and the alignment of bottom part 30A, 30B.
Lock pin 24, lock pin hub 26, spring 28 and Stress Release sleeve 32 can form the first subgroup of the joints of optical fibre 20 Part 80 (referring to Fig. 4).In some examples, first sub-component can be arranged on optical fiber 22 in factory.Similarly, optical fiber 22 Front end face 46 can be processed (for example polish) in the factory.In some examples, Stress Release sleeve 32 and spring 28 can be Optical fiber 22 is slipped in factory.Then, lock pin 24 and lock pin hub 26 may be mounted at the end of optical fiber 22, and optical fiber 22 and lock pin 24 end face can be processed in factory is arranged.
In some examples, lock pin 24 is may be mounted in lock pin hub 26, so that core of the optical fiber 22 relative to lock pin 24 The rotation position of skew is set at the predetermined rotational positions relative to lock pin hub 26.Tune of the core skew there is provided adapter Section.Term " core skew " refers to a direction, and core is deviated from and 24 perfect concentric position of lock pin in this direction.In some examples In, the end face of lock pin 24 can be with an angle polishing, and lock pin 24 is may be mounted in lock pin hub 26, so that the angle energy The expectation direction of rotation relative to lock pin hub 26 is set in the factory.By lock pin hub 26 and main connector housing 34 it Between provide bonded, and set up predetermined rotation between the concentricity of the angle or core of lock pin hub 26 and insertion core end face 44 Relation is combined, and makes the concentricity of the angle or core of end face be set at the preset rotating direction relative to main connector housing 34 On.
With reference to Fig. 7,8 and 11-14, lock pin hub 26 limits the central opening for reception optical fiber 22.Lock pin hub 26 includes tool There is a main body 90 of front end 92, the front end is limited for receiving the socket 94 of the rear end of lock pin 24.As shown in figure 14, main body 90 has The relative top major opposing side being at an angle with respect to each and bottom major side surfaces 91,93.As shown in figure 14, top major opposing side and Bottom major side surfaces 91,93 extend along the width W of main body 90.Width W extends in the left side of main body 90 and and right side 96,97 between. Right side 97 has the height H1 of the height H2 of the restriction of left side 96 more than main body 90.The difference in height is by top major opposing side and bottom master Cone angle between side 91,93 is formed.It will be appreciated that, the shape of main body 90 and the inside for being limited to main connector housing 34 In container 100 respective shapes coincide.The shape (referring to Figure 15) coincideing between main body 90 and container 100 guarantees lock pin hub 26 Main connector housing 34 can be inserted only in a rotation position.Single rotation position is by angled top surface and bottom The angled top surface and lower surface 101,103 of surface 91,93 and the container 100 in main connector housing 34 is controlled System.
Fig. 1 and Fig. 3 is referred back to again, and mounting blocks 30 and main connector housing 34 can form second sub-component 110.At certain In a little examples, second sub-component 110 can be by (referring to Fig. 3) on in-site installation to first sub-component 80.For example, first sub-component 80 Can be installed in the factory on optical fiber 22.Then the optical fiber 22 with first sub-component 80 mounted thereto can be transmitted To field position.One example of field position is multitenant unit or other buildings.Then carry mounted thereto first The optical fiber 22 of sub-component 80 can be mounted position at the scene.For example, the optical fiber with first sub-component 80 mounted thereto Can advance for example, by one or more path plannings of the extensibility of structure of pipeline, riser, plenum chamber or other passages on 22 energy edges. The relatively small cross section profile of first sub-component 80 is allowed：Even if in optical fiber 22 by the pipe with relatively small internal channel In the case that road is advanced, the optical fiber 22 with first sub-component 80 mounted thereto is remained to easily along desired path planning Advance.Less cross section profile also enable multiple optical fiber 22 be contained in the carrier with little form factor (for example, set, pipe, Drawing set, chuck etc.) in.
When the end of the optical fiber 22 with first sub-component 80 mounted thereto has marched to the expectation at field position During position, mounting blocks 30 can be buckled on Stress Release sleeve 32；And lock pin 22, lock pin hub 26 and spring 28 may be inserted into The rear side of main connector housing 34.Then main connector housing 34 is latched to the mounting blocks 30 and optical fiber company for having completed to assemble Connect on device 20.Hereafter, the joints of optical fibre 20 can be used as the adapter of type in the same manner.For some applications, It should be understood that spring 28 can be optional.In this regard, Figure 16 shows a kind of adapter 20 ' of replacement, wherein, Spring 28 is removed, and the forward extension 62 ' of mounting blocks 30 has been extended to fill the sky that generally should be occupied by spring 28 Between.
1. a kind of adapter, including：
Lock pin, the lock pin are used for reception optical fiber, and the lock pin has front end face；
Hub, the hub are used to support the lock pin；
Mounting blocks；
Stress Release sleeve, the Stress Release sleeve are interlocked with the mounting blocks, and it is right that the Stress Release sleeve is configured to The optical fiber provides bending radius protection；And
Outconnector housing, the outconnector housing have rear end and form the front end of insertion section, the outconnector housing Rear end be configured to enable the lock pin and the hub to be loaded in the outconnector housing by the rear end, work as institute State lock pin and when the hub has been loaded onto in the outconnector housing, the front end of the outconnector housing is provided to described The access of the front end face of lock pin, the outconnector housing are interlocked with the mounting blocks, so that the mounting blocks are consolidated It is scheduled on the rear end of the outconnector housing, and the lock pin and the lock pin hub is kept by the mounting blocks In the outconnector housing,
There is predetermined rotation relationship, and institute between the concentricity of the hub and the angle or core of the front end face of the lock pin State hub to be bonded with the outconnector housing, so that the hub can only insert the outconnector shell in one rotational direction In body,
So that the concentricity of the angle or core of the front end face was set at relative to the predetermined of the outconnector housing On direction of rotation.
2. adapter according to claim 1, wherein the mounting blocks have two-piece construction, the two-piece construction includes First component and second component, the first component and the second component are buckled in the Stress Release all around stems together.
3. adapter according to claim 2, wherein the mounting blocks and the Stress Release sleeve include mutual lock interface, The mutual lock interface includes the rib coordinated with groove.
4. adapter according to claim 3, wherein the rib is arranged on the inside of the mounting blocks, and the stress Releasing sleeve limits the groove.
5. adapter according to claim 2, also including being positioned between the hub and the spring backstop of the mounting blocks Spring.
6. adapter according to claim 5, wherein the mounting blocks include main body and forward extension, and it is wherein described Forward extension coordinates in the outconnector enclosure interior and forms the spring backstop.
7. adapter according to claim 6, wherein the mounting blocks have two-piece construction, the two-piece construction bag First component and second component are included, the first component and the second component of the mounting blocks are buckled in the stress together Around releasing sleeve, each in the first component and the second component of the mounting blocks limits the front extension A part for the part in portion and the main body.
8. adapter according to claim 7, wherein the main part of the first component and the second component is limited Latch arms and notch, and the forward extension part of wherein described first component and the second component limits pin and opening, with It is easy to the first component and the second component are fastened togather.
9. adapter according to claim 1, wherein the hub limits taper, the taper is only in one rotation side It is fitted in the container being limited in the outconnector housing upwards.
10. adapter according to claim 1, wherein the lock pin, the hub and the Stress Release sleeve form the One sub-component, the first sub-component are installed on the optical fiber in the factory.
11. adapters according to claim 10, wherein the outconnector housing and mounting blocks formation second are sub Component, the second sub-component are installed on the optical fiber at the scene.
12. adapters according to claim 11, wherein the second sub-component to be installed in described first at the scene sub On component.
13. adapters according to claim 1, wherein the outconnector housing is included for the adapter is fixed To the latch member of port.
14. adapters according to claim 1, wherein the outconnector housing limits the latch arms for extending back, institute The holding shoulder interlocking stated latch arms and be limited on the mounting blocks.
A kind of 15. methods for installing cable to structure, it is characterised in that comprise the steps：
Optical fiber is provided, the optical fiber has first end, and first sub-component is arranged on the first end, and the first sub-component includes The optical ferrule of lock pin hub and the holding optical fiber, wherein outconnector housing are not installed on described the first of the optical fiber End；
The first end of the optical fiber is made to march to the first position in the structure；And
In the first position of the structure, second sub-component is arranged in the first end of the optical fiber, described second Sub-component is coupled to the first sub-component, and the second sub-component includes the outconnector housing to form insertion section,
The step of wherein installing the second sub-component comprises the steps：Mounting blocks are installed around the optical fiber, and make institute State outconnector housing and slip over the first sub-component backward, until the breech lock of the outconnector housing refers to is latched to the peace Dress block,
The step of wherein installing the mounting blocks around the optical fiber includes being clipped in a part for the first sub-component described The step of between two parts of mounting blocks.
16. methods according to claim 15, wherein the mounting blocks will be partially sandwiched in described in the first sub-component Two parts between the step of comprise the steps：The notch of the Stress Release sleeve of the first sub-component is arranged on In the passage of the first component in two parts of the mounting blocks, and by second in two parts of the mounting blocks Part is latched to the first component.
17. methods according to claim 15, also comprise the steps：Will be described in the second position away from the structure First sub-component is arranged in the first end of the optical fiber.
CN201380062484.6A 2012-11-30 2013-11-26 The joints of optical fibre with field-attachable outconnector housing CN104823090B (en)
US61/731,838 2012-11-30
PCT/US2013/072018 WO2014085462A1 (en) 2012-11-30 2013-11-26 Fiber optic connector with field installable outer connector housing
CN104823090A CN104823090A (en) 2015-08-05
CN104823090B true CN104823090B (en) 2017-04-05
CN201380062484.6A CN104823090B (en) 2012-11-30 2013-11-26 The joints of optical fibre with field-attachable outconnector housing
US10281669B2 (en) * 2017-07-14 2019-05-07 Senko Advance Components, Inc. Ultra-small form factor optical connectors
CN1668953A (en) * 2002-06-12 2005-09-14 莫列斯公司 System for terminating optical fibers in a fiber optic connector
CN1809772A (en) * 2003-05-27 2006-07-26 莫列斯公司 Fiber optic connector with rotationally adjustable ferrule
WO2012125836A2 (en) * 2011-03-15 2012-09-20 Adc Telecommunications, Inc. Fiber optic connector
CN109557620A (en) * 2014-01-13 2019-04-02 泰科电子(上海)有限公司 Optical fiber connector
US9939591B2 (en) 2018-04-10
EP1139127A2 (en) 2001-10-04 Apparatus and method for assembling and aligning a plurality of optical fibers