CN101221272B - Optical arrangement for multi-residence units and commercial building - Google Patents
Optical arrangement for multi-residence units and commercial building Download PDFInfo
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- CN101221272B CN101221272B CN2008100029220A CN200810002922A CN101221272B CN 101221272 B CN101221272 B CN 101221272B CN 2008100029220 A CN2008100029220 A CN 2008100029220A CN 200810002922 A CN200810002922 A CN 200810002922A CN 101221272 B CN101221272 B CN 101221272B
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Abstract
Optical fiber and cable management apparatus includes a base for mounting on a wall or other surface at a subscriber premises, and a drum region extending axially upward from the base. The drum region includes an outer cylindrical wall for supporting a length of a first fiber optic cable wound about the outer wall, an inner cylindrical wall disposed radially inward of the outer wall to define an annular fiber routing region between the two walls, and a cable entry port in the outer wall for receiving an end portion of the first fiber optic cable so that fibers of the cable may be routed through the fiber routing region. An interface compartment disposed atop the drum is constructed to interface a first set of fibers routed within the compartment, with a second set of fibers associated with a second fiber optic cable that is routed to the apparatus.
Description
the cross reference of related application
The application requires to enjoy the U.S. Provisional Patent Application No.60/880 that is entitled as " Multidwelling Unit (MDU) Drop Box for Fiber Optic Cables " submitted on January 13rd, 2007,169 right of priority.In addition, the application is the non-temporary patent application No.60/880 of the U.S. that is entitled as " Wall-Mountable Optical Fiber and Cable Management Apparatus " submitted on March 27th, 2007,169 part continuity (CIP).
Technical field
The present invention relates to be used to the user to lay system and the technology of optical cable in many housing units (MDU) buildings and business office building.
Background technology
In many housing units (MDUs) and other user's buildings laying optical fiber network, need to use so-called optical cable to introduce box (drop box), this optical cable is introduced box and is configured for being arranged on the wall or other structure of buildings.Current industry practice requires to introduce box to be had for receiving the optical cable entrance from the optical cable of network provider in the box left side, and thering are one or more openings on the box right side, the many optical fiber that link with each user in buildings to be connected with the corresponding optical fiber in the provider optical cable by described one or more openings are received.For example, referring to<www.corningcablesystems.com > on the Corning fiberoptic cable system, can be arranged on the connector shell on wall, and<www.adc.com/productsandservices/ on the ADC telecommunication, indoor optical-fibre distributing terminals-client's building equipment (CPE).Can, referring to 2007 multilink products catalogue the 24th volume 87-94 pages, the series of the optical cable shell the be arranged on wall that can buy from the Multilink company of Ohio, USA Illyria be disclosed also.
Yet at user's buildings, known optical cable introducing box being installed by single workman is difficulty and consuming time.And more old-fashioned optical cable is held in being dimensioned to of known box, these optical cables can't bear the bending diameter that is less than 3 inches (76.2mm) in the situation that do not affect properties of optical fiber cable.Therefore, at present available introducing box is larger, and is unsuitable in the situation that there is no the extensive laying for fiber optic network in the buildings of many housing units or other kind of larger time and work expenditure.
And, to lay Fiber to the home (FTTH) in current open air, the fiber optic network service arrives house by the array of fiber distribution and leading in cable.For example, the head end of distribution fiber optic cable finishes in separated time/transfer box location, at this place's distribution fiber optic cable, with the main line from central office, is connected.Then distribution fiber optic cable aloft or underground through community by network, to provide service.For providing the leading in cable of service, each house for example, is connected with distribution fiber optic cable by the terminal at interconnecting device place or the connection of network terminal (the so-called FlexNAP terminal that can obtain from Corning).When (mid-span) accesses the optical fiber in distribution fiber optic cable halfway, just coupling fiber is arrived to " tether (tether) " of guiding network terminal, or be directly coupled to leading in cable.But the part of staying in this individual fibers in distribution fiber optic cable can not be used and become " useless ".So, when when introduce needing a plurality of accessing points midway, half optical fiber in distribution fiber optic cable may be useless and be wasted.
When being guided to many residential districts or office building, the fiber optic network compartment system there will be another problem.For example, the FlexNAP system of Corning needs to be arranged on the difference place along cable length in factory from described " tether " of distribution fiber optic cable.In air network, quite simple to the access of tether out of doors, because can use " cherry picker " or similar lifting means at any some access tether.But, in house or business office building, the form of distribution fiber optic cable is generally the straight cable of laying in vertical pivot (riser shaft) between the floor of buildings or pipeline.It is normally different to different buildingss that the size of vertical pivot and can be used for is accessed their device.So, once optical cable is arranged in the vertical pivot of existing building, even can carry out also can be very difficult for the tether on access fiber distribution optical cable.
Summary of the invention
The invention provides a kind of at many houses or commercial building, laying the system for the optical cable of service unit, described many houses or commercial building have optical cable in-position, vertical pivot or pipeline, wherein treat that serviced unit is positioned on one or more floors of building, it is characterized in that, described system comprises:
Be positioned near the junction box in described optical cable in-position, described junction box is arranged for stopping being directed to from described optical cable in-position the optical fiber of the external cable of described junction box;
Be guided through one or more vertical optical cable of vertical pivot or pipeline, wherein given vertical optical cable has many first optical fiber of the service unit on related floor for being positioned at building or relevant one group of adjacent floor, and the first end of described the first optical fiber stops with some coupling fiber with external cable at the junction box place;
Be arranged in described related floor or described adjacent one group of floor near zone for being arranged on the first optical cable distribution box of the service unit on described related floor or described adjacent one group of floor, wherein said the first optical cable distribution box structure and arrange the second end of the first optical fiber for stopping described given vertical optical cable;
Supply with optical cable for many, supplying with optical cable for every all is directed into the different floors described adjacent one group of floor or is directed into the respective storey zone of single floor from described the first optical cable distribution box, wherein supply with optical cable and all there are many second optical fiber for the service unit of the respective regions of the service unit on contiguous floors or described single floor for every, and the first end of supplying with described second optical fiber of optical cable stops at the first optical cable distribution box place, corresponding the first coupling fiber with the described given vertical optical cable with terminating in described the first optical cable distribution box place,
Be arranged on each floor place of described adjacent one group of floor or be arranged on the second optical cable distribution box of each location of described single floor, wherein the second optical cable distribution box structure and arrange the second end of the second optical fiber for stopping supplying with accordingly optical cable; And
Many distribution fiber optic cables or optical fiber, every distribution fiber optic cable or optical fiber are all in the second given optical cable distribution box be terminated between the unit of described second fiber optic service of the supply optical cable at described given the second optical cable distribution box place directed, wherein the first end of every distribution fiber optic cable or optical fiber ends at the second optical cable distribution box, for second coupling fiber of serving given unit with supplying with optical cable, and the second end of distribution fiber optic cable or optical fiber terminates in described given place, unit; And
Wherein said the first optical cable distribution box and the second optical cable distribution box include:
Interface chamber and the connector panel with connector adapter with sidewall, described connector adapter operatively is connected with the joints of optical fibre, and the described joints of optical fibre are connected with the described given vertical cable that is positioned at the connector panel outside or given distribution fiber optic cable or optical fiber;
The sidewall of described interface chamber has the opening of supplying with optical cable for receiving, while making the first end of the second end of the first optical fiber in described given vertical optical cable or described given distribution fiber optic cable or optical fiber be connected to the connector adapter of the outside that is positioned at described connector panel, the first end of the second optical fiber in described supply optical cable is connected with the connector adapter at the place, inboard that is positioned at described connector panel;
The reel zone of extending below described interface chamber, described reel zone comprises the first volume barrel with axis, described first volume barrel be dimensioned to the given supply optical cable that supports described certain-length when the given supply optical cable of certain-length is wrapped on described first volume barrel, and described reel areal structure be arranged so that described optical cable distribution box can be rotated around the described axis of described first volume barrel when described given supply optical cable is emitted from described reel zone;
The first volume barrel in described reel zone is provided with the optical cable entrance, be combined with strain relief means in described optical cable mouth, so that the optical fiber be wrapped on the first volume barrel in described reel zone enters described interface chamber via described optical cable entrance and described strain relief means;
Described interface chamber and described reel areal structure also are arranged so that when described given supply optical cable is wrapped on described first volume barrel, the optical fiber of described given supply optical cable is directed in described interface chamber, and is connected with described connector adapter at the place, inboard of described connector panel.
Preferably, described the first optical cable distribution box and the second optical cable distribution box include the pipe with axial passage, described axial passage has for receiving enough width of elongate tool, make when described given supply optical cable is emitted from the reel zone of described optical cable distribution box, described optical cable distribution box is freely rotated around described instrument.
Preferably, the interface chamber of each of described the first optical cable distribution box and the second optical cable distribution box constructs and is arranged to support described connector panel, make the first connector panel of the connector adapter with certain type to be removed, and can replace with the second connector panel of connector adapter that there is type and be different from the adapter of the first connector panel.
Preferably, one or more structures in the adapter of described connector panel be arranged to multiple optical fibre array type connector is interconnected.
Preferably, described vertical optical cable comprises ribbon type optical fiber.
Preferably, described supply optical cable comprises ribbon type optical fiber.
Preferably, at least one in described vertical optical cable and supply optical cable ends in multiple optical fibre array type connector.
Preferably, pedestal is fastened on the bottom in reel zone of described the first optical cable distribution box and the second optical cable distribution box.
Preferably, described pedestal forms separate part.
According to the present invention, unit on a kind of floor that is made as many housing units or commercial building for cloth provides the system of the optical cable of service to comprise at least one junction box, and its optical fiber of external cable of arranging the junction box place for stopping being directed to building is to stop the optical fiber carried in optical cable.Every one or more vertical optical cable that all at one end ends at junction box is through the guiding of building axle.Given vertical optical cable comprises the optical fiber be associated with unit on the specific one group of one or more floor that are positioned at building.The other end of every vertical optical cable ends at the gathering box be associated with each floor of this group floor.Supply with between the respective storey zone of each floor in assembling box and this group of optical cable or a floor and guide.For providing, each floor or floor area introduce box to stop supplying with accordingly optical cable.Leading in cable guides introducing between box and floor to be served or the unit in floor area.
According to a further aspect in the invention, unit on a kind of floor that is made as many housing units or commercial building for cloth provides the method for the optical cable of service to comprise the junction box that provider's optical cable is directed to building, and stops at the junction box place optical fiber carried in described optical cable.At one end stop one or more vertical optical cable at the junction box place and guide vertical optical cable through the building axle, wherein given vertical optical cable comprises the optical fiber that the unit in the zones of different with unit on specific one group of floor or single floor is associated.The other end that the gathering box place provided for corresponding one group of floor or floor area stops every vertical optical cable also is provided the method, between each floor in assembling box and described one group or floor area, optical cable is supplied with in guiding, for each floor or floor area provide the introducing box, and stop the corresponding optical cable of supplying with introducing the box place.Guide leading in cable introducing between box and described floor to be served or the unit in floor area.
In order to understand preferably the present invention, with reference to following joint the description of the drawings and appended claims.
The accompanying drawing explanation
In the accompanying drawings:
Fig. 1 can be arranged on the skeleton view that optical cable on wall is introduced the first embodiment of the optical fiber of box-like formula and cable management apparatus according to the present invention;
Fig. 2 is the cut-open view of the introducing box of Fig. 1, and cable drum (drum) and other internal part of this box is shown;
Fig. 3 is in the situation that remove the view of covering lid from the introducing box of the being seen Fig. 1 in top;
Fig. 4 is the view from the introducing box of the being seen Fig. 1 in below;
Fig. 5 is the skeleton view that can be arranged on the second embodiment of the optical cable introducing box on wall according to the present invention;
Fig. 6 is the cut-open view of the introducing box of Fig. 5;
Fig. 7 is the side view of the introducing box of Fig. 5, and the position according to optical cable strain relief means of the present invention is shown;
Fig. 8 is the enlarged perspective of optical cable strain relief means;
Fig. 9 is in the situation that remove the view of the strain relief means of top cover Fig. 8;
Fig. 9 A is also the view that there is no the strain relief means of top cover, illustrates to enter this optical cable that installs an end and from each optical fiber of the end opposite optical cable out of this device;
Fig. 9 B is illustrated in the strain relief means on the correct position in the reel zone of introducing box;
Figure 10 is the skeleton view that can be arranged on the 3rd embodiment of the optical cable introducing box on wall according to the present invention;
Figure 11 is the view from the introducing box of the being seen Figure 10 in below;
Figure 12 is the skeleton view of the connector resident area on the pedestal of the introducing box of Figure 10;
Figure 13 is the schematic diagram illustrated according to Connectorized fiber optic cabling laying of the present invention or compartment system.
Embodiment
Fig. 1 illustrates according to optical cable of the present invention and introduces the optical fiber of box 10 forms and the first embodiment of cable management apparatus.Box 10 can form by sheet metal and/or such as the plastic material of nonrestrictive ABS or polycarbonate.As compartmentalized box for holding assorted fruits and candies will be arranged on the outdoor of user's buildings, also can be on box 10 or inside be provided with in a known manner moisture seal part, packing ring and analog.Box 10 has pedestal 12, and this pedestal is roughly square in the disclosed embodiment, and each length of side is for example 6.25 inches (158.75mm), on each angle of pedestal, is formed with mounting hole 14.
Optical cable is introduced box 10 and is also had the interface chamber 30 be arranged on 20 tops, reel zone, and this interface chamber has outer peripheral sidewall 31.In the embodiment in figure 1, chamber 30 there is detachable covering lid 32 and at 35 place's chain connections to the protection of connector cover of this lid or cover 34, this covering lid structure and be arranged to allow setter to have access to the inside of chamber 30 from the outside.As described below, being dimensioned to and being shaped as of interface chamber 30 allows first set optical fiber to be connected with the second unjacketed optical fiber, this first set optical fiber enters chamber 30 and from being wrapped in optical cable on reel zone 20 or from the optical cable that enters the opening in locular wall 31 (seeing Fig. 2 and Fig. 3), and this second unjacketed optical fiber is from another optical cable and terminate at the connector 36 that lid 34 belows of Fig. 1 can be seen.Many flat finger pieces or lug 38 form from the lower edge of locular wall 31 protruding, and are parallel to pedestal 12.Lug 38 and pedestal 12 is wrapped in the length of the optical cable on drum wall 22 jointly for being limited in zone between pedestal and interface chamber 30.’
Fig. 2 is the vertical cut-open view of looking of the introducing box 10 in Fig. 1, and Fig. 3 is the view of the box 10 seen from top in the removed situation of covering lid 32.Interface chamber 30 has connector panel 40, and this connector panel is supported to the cut-away area 41 occupied in chamber sidewall 31.Many optical connector adapters 42 are mounted to and extend through corresponding opening in panel 40, and adapter 42 can operate with the joints of optical fibre 36 of the outside by panel 40 and corresponding connectors 44 couplings at the place, inboard of panel.Preferably, panel 40 is arranged in sidewall 31, thereby it can be replaced by the panel of easily removing and by another, same size of dissimilar adapter wherein is installed.For example, panel 40 can slide into or skid off the Vertical Channel 43 in the two ends that are formed on sidewall cut-away area 41.Thereby can select the panel 40 of wishing from the many different panels with adapter 42 according to the type of the optical connector used in given laying, described adapter accommodates for example connector of LC, SC, FC, ST, MPO or MPX type.
As mentioned above, entering optical fiber in interface chamber 30 can be from the medial end that is wrapped in the optical cable on reel zone 20, and via strain relief means 24 through drum wall 22.In this application, optical fiber is passed in the optical fibre ring extended between the cylindrical outer wall 22 in reel zone and tubular inwall 48 and lays zone 46, and described tubular inwall 48 is formed on the radially inner side of outer wall 22.Strain relief means 24 and optical fibre ring are laid being dimensioned to of zone 46 makes each optical fiber not have the bending diameter that is less than the specific bending diameter of optical fiber before entering interface chamber 30 and ending at connector 44.For example, when using, can buy from OFS Fitel company
flex
tMduring the optical cable of optical fiber, inwall 48 can have the little external diameter to 0.7874 inch (20mm), and the mean diameter that optical fiber is laid zone 46 can be only about 2.0 inches (50.8mm).
The optical cable that the sidewall 31 of interface chamber 30 also has in the back segment of wall 31 enters or passes mouthful 50 (Fig. 2 and 3), for receiving following outside optical cable or cable assembly (not shown), the optical fiber of this outside optical cable or cable assembly will be connected with those optical fiber that end at connector 36.Perhaps, optical cable entrance 50 can be arranged to the large opening through the part of alternative connector panel 40 (not shown).In this application, the optical fiber that enters the optical cable of rear aperture 50 directly can be directed to one corresponding in connector 44, if bending is arranged, little bending is also only arranged.And, in connector panel 40, use such as MPO type multiple fiber optical connector, box 10 can be used as and assemble box.In other words, can enter the rear aperture 50 of interface chamber 30 from many optical cables of other similar box of the differing heights of many housing units (MDU), the unit cable with other location guide via MPO connector and basement from for example MDU to this box is connected.Referring to Figure 13 and relevant hereinafter.If be not used, rear portion optical cable entrance 50 preferably keeps sealing by stopper 52.
Fig. 4 is the bottom view that the optical cable of Fig. 1 is introduced box.Cylindrical tube 60 is formed with central axis passage 62.Pipe 60 axially extends between pipe 60 Yu Guan bottom, top, and the top of pipe coordinates by the opening in covering lid 32 and flushes with the end face with lid, and as shown in Figure 1, at the place, bottom of pipe, tube passage 62 opens wide below pedestal 12, as seen in fig. 4.The dead in line of the cylindrical outer wall 22 in the axis of tube passage 62 and reel zone 20.In the disclosed embodiment, manage 60 above and belows at the Bi63 center and extend, the top axial end of these wall 63 closed tube shape inwalls 48, as seen in fig. 2.
In pipe 60, the diameter of central passage 62 preferably is enough to allow to insert the elongate tool such as screwdriver axle, bolt or other axle that gets loose (payoff mandrel) by passage above or below box 10, thereby make this instrument can be used as rotating shaft, box 10 can freely rotate around this rotating shaft.This structure allows single workman easily to emit the optical cable be wrapped on reel zone 20, and this lays for the network at MDU is necessary.For example, when the handle of the screwdriver by insertion remains in a hand, the workman can pull out and launch to wish the optical cable of length with his or her another hand from reel zone 20, and box 10 can freely rotate around the screwdriver axle simultaneously.
Fig. 5 to 7 illustrates the second embodiment that introduces box 200 according to optical cable of the present invention.There is with the parts of the same or analogous box 200 of parts of the box 10 of Fig. 1 to 4 the corresponding Reference numeral that increases 200.
And, as seen in fig. 6, the pedestal 212 of introducing box 200 can form separate part, and this separate part is by for example forming the screw that engages neck ring 206 or the bottom that other securing member is fastened to reel zone 220, and this neck ring 206 is fixed on the place, bottom that circular fiber is laid zone 246.
Fig. 8 is the enlarged perspective of strain relief means 224, and this strain relief means 224 is corresponding to the strain relief means 24 in the introducing box 10 that is arranged on Fig. 1.As seen in fig. 9, strain relief means 224 forms by having roughly arch unit body 208 and the lid 209 of the xsect of U-shaped, cover body part 208 has lateral wall 224a, madial wall 224b and diapire 224c, and described lid 209 is engaged in the place, top and extends between sidewall 224a, the 224b of device.
And as shown in Figure 9 A, lateral wall 224a has opening 226 at a device end place of 224, be wrapped in the inner end of for example flat rubber belting optical cable 260 on the cylindrical outer wall 222 in reel zone 220 for reception.Each optical fiber that opening 228 at device 224 end opposite place allows optical cables stretches out and the optical fiber that enters box 200 is laid zone 246 from device, but this is preferably after each optical fiber is subject to the protection of the 900 μ m sleeve pipes that for example business is bought.
Under the pair of parallel finger piece that optical cable 260 and each optical fiber thereof protrude upward at the diapire 224c of the device 224 as shown in Fig. 9 and 9A or guide 211 auxiliary, be directed on path substantially straight between device opening 226,228.At overcoat from peel off the end of optical cable 260, around optical cable and optical fibres and as the arimid of the different length of the reinforcement of optical cable or strengthening material or
yarn is wrapped in around guide 211, and is fixed to guide 211 with epoxy resin or other suitable bonding agent.But the protection sleeve (for example 900 μ m) that business is bought is arranged on each of each optical cable and optical fibres, and is directed out device opening 228 with the optical fiber of sleeve.Appliance cover 209 is fixed to body 208 via suitable bonding agent, and the optical cable strain relief means 224 assembled is fixed in optical cable entrance 225 reliably, this optical cable entrance 225 is limited between the cylindrical outer wall 222 and tubular inwall 248 in reel zone 220, as shown in Fig. 9 B.
Therefore, the inner end of optical cable 260 and each optical fiber thereof tangentially pass the optical cable entrance 225 in wall with respect to cylindrical outer wall 222, and enter in the optical fibre ring laying zone 246 of box 200.Because be fixed to the guide 211 of strain relief means 224 around the yarn of optical fiber, so when optical cable is wound onto on the cylindrical outer wall 222 in reel zone or launches from it, the any power that is applied to optical cable 260 from outside all is passed to has wherein fixed the wall 222 that installs 224, rather than is passed to optical fiber itself.
Figure 10 to 12 illustrates the 3rd embodiment that introduces box 300 according to optical cable of the present invention.There is with the parts of the same or analogous box 300 of parts of the box 10 of Fig. 1 to 4 the corresponding Reference numeral that increases 300.Box 300 has chamber 308, connector resident area 313 and a plurality of safety latches hole 315 of the integral body splicing in its pedestal 312.
The chamber 308 of splicing
Typical MDU introduces the box installation and has the single optical fiber extension (breakout) stretched out from box, and the corresponding flat of the buildings that wherein each extension is installed to box links.From the single fiber cable of each flat, through being everlasting, do not have to be directed into the introducing box in the situation of termination connector.The bare end of these optical cables can end at the introducing box in every way.For example, single end optical fiber pigtail is sliceable in introducing box, thereby the sleeve of splicing is accommodated in public space.This requires chamber or chamber to hold stitching section, in order to prevent from damaging and control fiber slack (slack).Replacement scheme can comprise the mechanical splice of optical fiber pigtail, and this will need similar chamber or housing.Each single fiber cable also can directly end at field-attachable connector, thereby eliminates the needs to the splicing chamber.
Introduce box 300 and have attaching or be formed on pedestal 312 following integral body splicing chamber or chamber 308, it comprises the splicing pallet 309 that is arranged on the pedestal inboard.Splicing pallet 309 can be fixed in box 300, or is directly fixed to wall.In either event, box 300 all can be arranged on splicing chamber 308.Optical fiber pigtail or end can enter or stretch out the hypomere of chamber by the space recess 311 of the correspondence that cuts out in the sidewall at pedestal 312 then.
Connector resident area or piece 313 allow the optical fiber end stopped to be stored when not using.Piece 313 is configured to and but its size is designed to receive and secure of for example, selection in connector that a plurality of different business buys resident 307 (SC formula) in piece 313.This feature makes and can needn't change box 300 using the connector of alternative type in the future, and allows setter reserved simultaneously.
Some door bolts hole or safety vent 315 can form runners corresponding on the covering lid 332 be connected through the hinge.Door bolt hole 315 allows the final user to use many safety locking methods.For example, a hole 315 can be used from and keep simply cap seal to close with standard plunger piston formula bolt lock mechanism one.Other hole 315 can be used for receiving wire tie, locking label or other safety locking thing.
Connectorized fiber optic cabling for MDU or commercial establishment laying
Figure 13 illustrates according to the present invention at the optical fiber distribution system of many housing units or commercial building 400 places laying.Many introducing boxes, for example the box of the present invention 10 of Fig. 1 to 4, be installed in the corresponding position in building 400.Introduce box 10 and can be positioned at for example furred ceiling 412 tops of each floor 414 of building.For example, corresponding to the single building unit on given floor 414 (tenements or office) or end at connector 36 corresponding to the optical fiber 416 of unit in the localized area of floor 414, this connector 36 is connected to the adapter 42 on the outside of box panel 40 then.
Each optical fiber 416 all connects with optical fiber corresponding in supply optical cable 418, supplies with optical cable 418 and for example above the ceiling of related floor 414, is directed to introducing box 10.Optical cable 418 can be wrapped on the reel zone 20 of introducing box 10 at first, and subsequent section ground or fully launch, for being directed to as for example building 400 basement 420 and another introducing box 10 of " gathering " box between ceiling 422.The optical fiber of supplying with optical cable 418 ends at connector 44, and this connector 44 is connected to the adapter 42 on the inboard of cartridge connector panel 40 then.
Assembling box 10 places, the rear portion by assembling box of each in the supply optical cable 418 that comprises the optical fiber be associated with user on corresponding architecture storey or floor area through mouthfuls 50 or the panel mouth enter the gathering box.As mentioned above, though each supply with the optical fiber of optical cable 418 can be in the situation that have also very little bending to be directed to assemble in box, with corresponding adapter 42 connections on the inboard via multiple optical fibre array (MPO) connector 44 and box panel 40.For the optical cable of one or more main (or " vertically ") optical cable 424 in basement 420 of building the all-network user service in 400 enters or junction box 426 and corresponding vertical pivot or the pipeline of assembling between box 10 in being guided through building, in this assembles box 10, vertically optical cable and optical fibres is connected to the adapter 42 on the outside of box panel 40 via multiple fiber optical connector 36.Outside network provider optical cable 430 is directed to and enters box 426 and stop herein, and the optical fiber carried in optical cable 430 is connected to the optical fiber of the correspondence of every vertical optical cable 424 in entering box 426.
Various cable box structure disclosed herein comprises following key character.
1. the physical size reduced, for holding such as buying from OFS Fitel company
flex
tMmore new-type optical cable, this optical cable has excellent bending property.
2. the axial reel zone provided for the external cable storage, it is laid internal optical fiber to remain in safe beaming limit.
3. pipe is run through at center, and its general tool such as screwdriver easy to use gets loose and is wrapped in the optical cable of reel region exterior.
In the optical cable compartment system of Figure 13, each is connected with shared gathering box via supplying with optical cable 418 with a plurality of introducing boxes that unit on respective storey or Zhong unit, specific region exposed are associated, and this is assembled box and is connected with the junction box 426 in building 400 basement 420 via vertical optical cable 424 again.This system, preferably at every vertical optical cable 424 and the every multiple optical fibre array connector of supplying with use such as MPO type on optical cable 418, is installed and is laid to reduce size and accelerating system.Perhaps, adopt monofiber connector and/or fusion (fusion splicing) if need and to supply with reality on optical cable 418 at vertical optical cable 424.
The form of every vertical optical cable 424 is preferably fiber ribbon connector, maximum optical fiber packing density to be provided and to minimize the overall dimensions of optical cable.And as mentioned above, vertically optical cable 424 and supply optical cable 418 preferably stop with the multiple optical fibre array connector, these multiple optical fibre array connectors make it possible to connect multifiber in single step.Multiple optical fibre array formula MPO connector and single mode and multimode vertically level band cable can commercially have been bought from OFS Fitel.
The system of Figure 13 makes it possible to for example, in high-rise (7 layers or more multi-layered) building Fast Installation optical cable, and can as the known pre-assembled FTTx system that adopts loose pipe distribution and leading in cable and OptiTap connector, not waste optical fiber.This system also can be used in the business data network in height/middle level building, for the application in " fiber-to-the-floor ", " optical fiber is to room " or " fiber to the desk ".
Embodiment for skyscraper
System of the present invention can be laid by providing following in skyscraper:
1. one or more junction boxs 426, the external unit or the provider's optical cable 430 that provide service for terminating as building 400, and shunting signal so that each simple optical fiber 416 be associated with unit in building can with provider optical cable 430 in corresponding optical fiber optical coupled.As mentioned above, junction box 426 is preferably placed in the basement 420 or lower level of building 400.
2. the vertical cable 424 of one or more optical fiber, preferably belt and with multiple optical fibre array (MPO) connector, stop.Use an advantage of MPO connector to be, all optical fiber of single band once stop in the time of can be in the shared lasso piece that inserts connector.The optical fiber that every vertical optical cable 424 has sufficient amount is served one or more floor business' unit or is positioned at the Zhong unit, localized area of single floor.Vertically the provider end of optical cable ends at (a plurality of) junction box 426 places, and optical cable is guided through vertical pivot in building 400 or pipeline to be connected with corresponding gathering box.In the situation that many vertical optical cables 424 end at its oneself connector, every optical fiber preferably has different length, thereby can be by optical cable harness pull the axle opening through less together, and not can with the unit that is arranged on optical cable (user) end on connector interfere.
3. the gathering box that every N layer is laid, wherein N for example can arrive greatly 6.The gathering box can be laid in the public utility cabinet or other is exclusively used in the space of communication facilities.For example, in every layer of building that 12 unit are arranged, can be every 6 layers lay one and assemble box, terminate at this gathering box place with the vertical optical cable of 72 fibre ribbon of 6 12 fibre ribbons.Each is assembled box and comprises for connecting its relevant vertical optical cable 424 and the adapter 42 of supplying with optical cable 418, wherein supplies with optical cable 418 and lays between gathering box and each floor of being served by this box or floor area.
For example, if a large amount of unit on floor need network service (60 optical fiber all end on same floor), this floor can be divided into localized area, and installs for only serving the gathering box of this floor.For example, if for example, provide service to heavy construction (whole block), can assemble box by one and be arranged on given floor, and make all joint supply optical cables and introduce on the level that box all is arranged in given floor the unit in the needs zone to serve this floor.
4. each is assembled box and has the supply optical cable 418 that it is associated, and these are supplied with optical cables 418 and guide to serve building 400 unit on one or more floors or the Zhong unit, localized area of single floor from assembling box.Supplying with optical cable 418 can be from being positioned at its unit by the communications facility cabinet the floor of this optical cable service out.In order to serve the unit on the floor that is positioned at this cabinet above and below, supply with optical cable 418 and can get back to vertical pivot from the cabinet guiding, and exit from vertical pivot at the respective storey place.For example, in every layer of 6 layers of building that 12 unit are arranged, a series of 12 optical fiber are supplied with optical cables 418 can be connected to the gathering box.If it is upper at floor " N " to assemble box, 6 12 optical fiber are supplied with optical cable and are directed to floor N-3, N-2, N-1, N, N+1 and N+2.Supply with optical cable and preferably end at multiple optical fibre array (for example MPO) connector of little form factor so that the size of gathering box can minimize.In other words, having the size of the gathering box of 6 12 optical fiber MPO-MPO adapters 42 can be more much smaller than the box that is configured to adaptive 6 12 optical fiber MPO connectors and 72 independent LC connectors.And, if use MPO to stop, every supply optical cable 418 can advantageously be single band forms so that stop.But, also can stop 12 loose optical fibers or 12 900 microns buffered optical fibers with single MPO connector.
In high-rise embodiment, each floor has the one or more relevant introducing box 10 that should supply with optical cable 418 for Stopping Phase, wherein the coupling fiber of given supply optical cable is to less independent optical cable and/or optical fiber 416, and the independent optical cable that these are less and/or optical fiber 416 are directed into unit on floor or the Zhong unit, localized area of floor.An example of suitable introducing box is box 10 disclosed herein; But, supplies with optical cable 418 and can directly be directed to the unit in building 400, and the independent optical fiber of given optical cable can separate in the position of the unit relevant to independent optical fiber.
Embodiment for the middle level building
System of the present invention can be laid by providing following in the building of middle level:
1. one or more junction boxs 426, the external unit or the provider's optical cable 430 that provide service for terminating as building 400, and shunting signal so that each simple optical fiber 416 be associated with unit in building can with provider optical cable 430 in corresponding optical fiber optical coupled.As mentioned above, junction box 426 is preferably placed in the basement 420 or lower level of building 400.
2. preferably for example, at every end supply optical cable 418 that for place, multiple optical fibre array (MPO formula) connector stops.Supply with junction box 426 that optical cable 418 can directly be laid in basement 420 and build between each floor (or the communications facility cabinet on each floor) of 400.At each floor or communication node place, corresponding supply optical cable 418 is directed to the relevant box 10 of introducing to stop, and the corresponding optical fiber of optical cable 418 is coupled to less optical cable and/or the optical fiber 416 relevant to independent unit on floor in introducing box.
The advantage of compartment system of the present invention comprises in addition to other:
1. lay fast.Vertically optical cable 424 and supply optical cable 418 preferably are provided with pre-assembled or are arranged on multiple optical fibre array (for example MPO) connector on optical cable in factory in advance.In current laying, usually with fusion, stop, this is expensive and consuming time.Use the MPO connector that on-the-spot area occupied and set-up time are minimized.
2. be easily mounted in vertical pivot.This system can be laid in older residential housing, and the vertical pivot of these buildings usually and be not suitable for laying modern communications facility.Use compact (for example belt) vertically optical cable 424 make size and the quantity minimum of laying required vertical optical cable, and use assemble box for reduce vertical optical cable must be from vertical pivot the quantity of diverse location out.
3. do not waste optical fiber.Existing optical cable compartment system such as above-mentioned FlexNAP system is to stop in advance and be designed for outdoor quick laying.For the laying in residential district, pine is managed outdoor distribution fiber optic cable usually and street is adjacent to guide on electric pole or in pipeline.With certain interval, some optical fiber separate and end at network access point (NAP) terminal board from distribution fiber optic cable, and soon the optical fiber in distribution fiber optic cable is connected to the device of the optical fiber that is introduced separately into optical cable.The every optical fiber of punishing out in accessing points is cut and ends at the NAP box, thereby stay the interior downstream part of optical cable in optical fiber, can not use, and becomes " useless " optical fiber that does not carry signal.So, no matter carry out that how many times separates or carry out wherein, the optical fiber up to half in distribution fiber optic cable may become useless after installation.As a comparison, in system of the present invention, at junction box 426 and all optical fiber in assembling the vertical optical cable 424 that carries signal between box all keep working.Introduce box 10 and if use on each floor, all optical fiber in assembling box and introducing between box the every supply optical cable 418 that carries signal also keep working.
Although above provided the preferred embodiments of the present invention, but it should be appreciated by those skilled in the art that, can make various variants and modifications and not break away from the spirit and scope of the present invention, and the present invention includes all this variants and modifications in the scope that drops on following claims.
Claims (9)
1. one kind for laying the system for the optical cable of service unit in many houses or commercial building (400), described many houses or commercial building have optical cable in-position, vertical pivot or pipeline, wherein treat that serviced unit is positioned on one or more floors of building, it is characterized in that, described system comprises:
Be positioned near the junction box (426) in described optical cable in-position, described junction box is arranged for stopping being directed to from described optical cable in-position the optical fiber of the external cable (430) of described junction box (426);
Be guided through one or more vertical optical cable (424) of vertical pivot or pipeline, wherein given vertical optical cable has many first optical fiber of the service unit on related floor for being positioned at building (400) or relevant adjacent one group of floor (414), and the first end of described the first optical fiber is located to stop with some coupling fiber with external cable (430) at junction box (426);
Be arranged in described related floor or described adjacent one group of floor (414) near zone for being arranged on the first optical cable distribution box (10) of the service unit on described related floor or described adjacent one group of floor (414), wherein said the first optical cable distribution box structure and arrange the second end of the first optical fiber for stopping described given vertical optical cable (424);
Supply with optical cable (418) for many, supplying with optical cable for every all is directed into the different floors described adjacent one group of floor or is directed into the respective storey zone of single floor from described the first optical cable distribution box, wherein supply with optical cable (418) and all there are many second optical fiber for the service unit of the respective regions of the service unit on contiguous floors or described single floor for every, and the first end of supplying with described second optical fiber of optical cable (418) stops at the first optical cable distribution box place, corresponding the first coupling fiber with the described given vertical optical cable (424) with terminating in described the first optical cable distribution box place,
Be arranged on each floor place of described adjacent one group of floor or be arranged on the second optical cable distribution box (10) of each location of described single floor, wherein the second optical cable distribution box structure and arrange the second end of the second optical fiber for stopping supplying with accordingly optical cable (418); And
Many distribution fiber optic cables or optical fiber (416), every distribution fiber optic cable or optical fiber are all in the second given optical cable distribution box be terminated between the unit of described second fiber optic service of the supply optical cable (418) at described given the second optical cable distribution box place directed, wherein the first end of every distribution fiber optic cable or optical fiber (416) ends at the second optical cable distribution box, for second coupling fiber of serving given unit with supplying with optical cable, and the second end of distribution fiber optic cable or optical fiber terminates in described given place, unit; And
Wherein said the first optical cable distribution box and the second optical cable distribution box (10) include:
There is the interface chamber (30) of sidewall (31) and there is the connector panel (40) of connector adapter (42), described connector adapter (42) operatively is connected with the joints of optical fibre (36), and the described joints of optical fibre (36) and the described given vertical cable (424) that is positioned at connector panel (40) outside or given distribution fiber optic cable or optical fiber (416) are connected;
The sidewall (31) of described interface chamber (30) has the opening (50) of supplying with optical cable (418) for receiving, while making the first end of the second end of the first optical fiber in described given vertical optical cable (424) or described given distribution fiber optic cable or optical fiber (416) be connected to the connector adapter (42) of the outside that is positioned at described connector panel (40), the first end of the second optical fiber in described supply optical cable is connected with the connector adapter (42) at the place, inboard that is positioned at described connector panel (40);
The reel zone (20) of extending in described interface chamber (30) below, described reel zone (20) comprises the first volume barrel (22) with axis, the given supply optical cable (418) be dimensioned at certain-length of described first volume barrel (22) is wrapped in when described first volume barrel (22) is gone up the given supply optical cable (418) that supports described certain-length, and described reel zone (20) constructs and is arranged so that while emitting, described optical cable distribution box (10) can be around the described axis rotation of described first volume barrel (22) from described reel zone (20) when described given supply optical cable (418),
The first volume barrel (22) in described reel zone is provided with the optical cable entrance, be combined with strain relief means (24) in described optical cable mouth, so that the optical fiber be wrapped on the first volume barrel in described reel zone enters described interface chamber (30) via described optical cable entrance and described strain relief means;
Described interface chamber (30) and described reel zone (20) are constructed and are arranged so that when described given supply optical cable (418) is wrapped on described first volume barrel (22), the optical fiber of described given supply optical cable (418) is directed in described interface chamber (30), and is connected with described connector adapter (42) at the place, inboard of described connector panel (40).
2. system according to claim 1, it is characterized in that, described the first optical cable distribution box and the second optical cable distribution box (10) include the have axial passage pipe (60) of (62), described axial passage (62) has for receiving enough width of elongate tool, make when described given supply optical cable (418) from the reel zone (20) of described optical cable distribution box while emitting, described optical cable distribution box (10) is freely rotated around described instrument.
3. system according to claim 1, it is characterized in that, the interface chamber (30) of each of described the first optical cable distribution box and the second optical cable distribution box (10) constructs and is arranged to support described connector panel, make first connector panel (40) of the connector adapter (42) with certain type to be removed, and can replace with the second connector panel of connector adapter that there is type and be different from the adapter of the first connector panel.
4. system according to claim 1, is characterized in that, the one or more structures in the adapter (42) of described connector panel (40) also are arranged to multiple optical fibre array type connector is interconnected.
5. system according to claim 1, is characterized in that, described vertical optical cable (424) comprises ribbon type optical fiber.
6. system according to claim 1, is characterized in that, described supply optical cable (418) comprises ribbon type optical fiber.
7. system according to claim 1, is characterized in that, at least one in described vertical optical cable (424) and supply optical cable (418) ends in multiple optical fibre array type connector.
8. system according to claim 1, is characterized in that, pedestal (12,212,312) is fastened on the bottom in reel zone (20) of described the first optical cable distribution box and the second optical cable distribution box (10).
9. system according to claim 8, is characterized in that, described pedestal (212) forms separate part.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US88016907P | 2007-01-13 | 2007-01-13 | |
| US60/880,169 | 2007-01-13 | ||
| US11/891,553 | 2007-08-10 | ||
| US11/891,553 US7546018B2 (en) | 2007-01-13 | 2007-08-10 | Fiber optic cabling for multi-dwelling unit (MDU) and commercial building deployments |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101221272A CN101221272A (en) | 2008-07-16 |
| CN101221272B true CN101221272B (en) | 2013-12-11 |
Family
ID=39596743
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007101816892A Expired - Fee Related CN101221270B (en) | 2007-01-13 | 2007-10-24 | Wall-mountable optical fiber and cable management apparatus |
| CN2008100029220A Expired - Fee Related CN101221272B (en) | 2007-01-13 | 2008-01-11 | Optical arrangement for multi-residence units and commercial building |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007101816892A Expired - Fee Related CN101221270B (en) | 2007-01-13 | 2007-10-24 | Wall-mountable optical fiber and cable management apparatus |
Country Status (2)
| Country | Link |
|---|---|
| CN (2) | CN101221270B (en) |
| SG (1) | SG144813A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9507114B2 (en) | 2014-01-31 | 2016-11-29 | Optical Cable Corporation | Passive optical LAN interconnect apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012054454A2 (en) | 2010-10-19 | 2012-04-26 | Corning Cable Systems Llc | Transition box for multiple dwelling unit fiber optic distribution network |
| CN103576266B (en) * | 2012-08-07 | 2017-01-18 | 爱德奇电讯国际贸易（上海）有限公司 | Optical fiber connection assembly |
| EP3432045A1 (en) * | 2017-07-18 | 2019-01-23 | Universität Bern | Modular system for secure and controlled arrangement of optical fibres and components of an optical system |
| CN109116500A (en) * | 2018-11-19 | 2019-01-01 | 江苏八达电子有限公司 | A kind of fibre distribution box |
| CN111273417B (en) * | 2020-01-21 | 2022-04-29 | 上海顺河通信工程有限公司 | Optical fiber guiding fixer for communication field |
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| US4913369A (en) * | 1989-06-02 | 1990-04-03 | Welch Allyn, Inc. | Reel for borescope insertion tube |
| US4976510B2 (en) * | 1989-11-20 | 1995-05-09 | Siecor Corp | Communication outlet |
| IT1254342B (en) * | 1992-04-30 | 1995-09-14 | REMOVABLE DEVICE WITH REMOVABLE SEMICONNECTORS, INTEGRATED INTO A PLASTIC CARD, FOR THE TERMINATION OF OPTICAL CABLE TAPES. | |
| US5987203A (en) * | 1997-10-09 | 1999-11-16 | Lucent Technologies Inc. | Distribution module for optical couplings |
-
2007
- 2007-10-24 CN CN2007101816892A patent/CN101221270B/en not_active Expired - Fee Related
-
2008
- 2008-01-07 SG SG200800069-7A patent/SG144813A1/en unknown
- 2008-01-11 CN CN2008100029220A patent/CN101221272B/en not_active Expired - Fee Related
Non-Patent Citations (3)
| Title |
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| JP特开2000-258672A 2000.09.22 |
| JP特开2005-234216A 2005.09.02 |
| JP特开2006-173669A 2006.06.29 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9507114B2 (en) | 2014-01-31 | 2016-11-29 | Optical Cable Corporation | Passive optical LAN interconnect apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101221270A (en) | 2008-07-16 |
| CN101221272A (en) | 2008-07-16 |
| SG144813A1 (en) | 2008-08-28 |
| CN101221270B (en) | 2012-01-11 |
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