CN109239873A - Leading in cable and its at the scene application method in installation - Google Patents
Leading in cable and its at the scene application method in installation Download PDFInfo
- Publication number
- CN109239873A CN109239873A CN201811058552.2A CN201811058552A CN109239873A CN 109239873 A CN109239873 A CN 109239873A CN 201811058552 A CN201811058552 A CN 201811058552A CN 109239873 A CN109239873 A CN 109239873A
- Authority
- CN
- China
- Prior art keywords
- light core
- subregion
- leading
- reinforcer
- core subregion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/443—Protective covering
- G02B6/4432—Protective covering with fibre reinforcements
- G02B6/4433—Double reinforcement laying in straight line with optical transmission element
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/443—Protective covering
- G02B6/4431—Protective covering with provision in the protective covering, e.g. weak line, for gaining access to one or more fibres, e.g. for branching or tapping
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Light Guides In General And Applications Therefor (AREA)
Abstract
The invention discloses a kind of leading in cable (30A-30H) comprising: one or more fiber cores (32);Light core subregion (31), one or more of fiber cores (32) are embedded in light core subregion (31) along the section view level of light core subregion;Two reinforcer subregions (33), are separately positioned on the both lateral sides of light core subregion (31);And two slots (34), on a surface of light core subregion and at the two basic change position that is separately positioned between two reinforcer subregions (33) and light core subregion (31), convenient for two reinforcers are torn from light core subregion (33).After two reinforcer subregions (33) separate along two slots and light core subregion (31), the segment of light core subregion (31) separated with reinforcer subregion becomes more flexible, and light core subregion (31) is easily manipulated and arranged when skilled worker being enable to install at the scene.
Description
The application be international application no be PCT/CN2011/001148, China national application No. is 201180064701.6,
The applying date be on July 12nd, 2011, into thenational phase day be on July 11st, 2013 National Phase in China application division Shen
Please.
Technical field
This patent disclosure relates generally to leading in cable (fiber optic drop cable), the leading in cable is suitable for optical fiber
Draw (route) and leads to customer premise to user, such as by optical fiber.
Background technique
As it is known in the art, service provider (such as telephone operator) uses access distribution fiber optic cables from fiber optic communication network
Network transmits signal.In general, leading in cable (is usually divided in leading in cable in breakout for that will access distribution fiber optic cables introducing
After opening) customer premise (such as each building or family).Leading in cable can include multiple optical fiber in it.It is built entering
After object, each of multiple optical fiber in leading in cable can be further divided into multiple branch connections to lead to optical fiber
Multiple ONU (optical network unit) in customer premise.Such distribution formula optical splitter (splitter) scheme is conducive to drop
The totle drilling cost in low populous region, because it reduces arranged amount of fibre and scantling ready for use.
Fig. 1 depicts exemplary network wiring technique 10, show will access distribution fiber optic cables introduce it is each commercial or
Residential building.As shown in Figure 1, exemplary network wiring technique 10 includes two exemplary outdoor cabinet (or case) 3-1 and 3-2,
Outdoor cabinet (or case) 3-1 and 3-2 passes through the series connection of access distribution fiber optic cables 2 from Networks of Fiber Communications.Two families
Outer cabinet (or case) includes junction 4-1 or 4-2, some optical fiber in junction 4-1 and 4-2, access distribution fiber optic cables 2
It is divided into multiple wiring outputs, multiple wiring output is further connected to multiple leading in cables.The multiple leading in cable with
After be combined to form leading in cable group 5-1 or 5-2, leading in cable group 5-1 or 5-2 are connected to building 7-1 or 7-2
Interior terminal shell 6-1 or 6-2.Each leading in cable can contain one or more optical fiber.
Each terminal shell 6-1 or 6-2 includes that engagement disk 9-1 or 9-2, optical splitter 11-1 or 11-2 and adapter are inserted
Plate (not shown).Engagement disk allows the connection between the input optical fibre of the optical fiber and optical splitters from outdoor cabinet, usually
It is engaged by melting.The output of optical splitters usually by company interface (connectorized) and is then led to suitable
Orchestration plate.On the other side of adapter board, the single fiber optic cables for being connected device will be directed to positioned at customer room
The ONU of room near or within.
As shown in Figure 1, some leading in cables in cable group 5-1 or 5-2 are brought out engagement disk 9-1 or 9-2 as output
Wiring 12-1 or 12-2 connects ONU.But some leading in cables in cable group 5-1 or 5-2 are further allocated as output and are connect
Line 13-1 or 13-2 connects other ONU.
Although existing leading in cable can satisfy field erected needs, Gu is led to distribution fiber optic cables will be accessed
They have the disadvantage when the room of guest room, especially when there are building many ONU to be connected to Networks of Fiber Communications.It is specific next
It says, because size and lacking enough flexibilities, existing leading in cable, which is unsuitable for being arranged in crowded spool space, (such as to be set
It sets in high density population building 7-1 or 7-2).
Accordingly, it is desirable to provide a kind of improved leading in cable, the shortcomings that existing leading in cable can be overcome, have more preferable
Performance to arrange and install this leading in cable in crowded spool space.
Summary of the invention
In order to overcome the drawbacks described above of existing leading in cable, the present invention provides a kind of leading in cables comprising:
One or more fiber cores (32);
Light core subregion (31), one or more of fiber cores are embedded in along the section view level of light core subregion (31)
In light core subregion;
Two reinforcer subregions (33), are separately positioned on the both lateral sides of light core subregion (31);And
Two slots (or recess or constriction) (34) are located on a surface of light core subregion (31) and are separately positioned on two
At two basic change position between reinforcer subregion (33) and light core subregion (31), convenient for two reinforcers (33) are divided from light core
Area (31) is torn.
Leading in cable of the invention further include:
Two slots (or recess or constriction) (34 ') are located on another surface of light core subregion (31) and are separately positioned on
At two basic change position between two reinforcer subregions (33) and light core subregion (31).
Leading in cable of the invention further include:
Slot (or recess) (38) is arranged on a surface of light core subregion (31), convenient for light core subregion (31) to be torn into
Two parts between the described two parts of exposure said one or multiple fiber cores (32) for connecting;
Wherein some or all of fiber cores in fiber cores 32 are placed under slot (or recess) 38.
Leading in cable of the invention further include:
Slot (or recess) (38 ') is arranged on another surface of light core subregion (31), convenient for tearing light core subregion (31)
At two parts with one or more of fiber cores between the described two parts of exposure for connecting;
Wherein some or all of fiber cores in fiber cores 32 are aligned with two slots (or recess) 38 and 38 '.
The present invention also provides a kind of for above-mentioned leading in cable to be led to user's connecting interface from access connecting interface
Method.The method comprising the steps of:
Leading in cable is provided comprising: one or more fiber cores (32);Light core subregion (31), it is one or more of
Fiber cores are embedded in light core subregion (31) along the section view level of light core subregion (31);Two reinforcer subregions (33),
It is separately positioned on the both lateral sides of light core subregion (31);And two slots (or recess or constriction) (34), it is located at light core subregion
(31) on a the surface and two basic change position that is separately positioned between two reinforcer subregions (33) and light core subregion (31)
Place is set, convenient for tearing two reinforcers (33) from light core subregion (31);
In subscriber connection, step is executed:
Tear two reinforcers point on the subscriber connection (94) of each of one or more of leading in cables
Area (33) is to separate two reinforcer subregions along two pairs of slots (or recess or constriction) (34) and (34 ') from light core subregion (31)
(33) one section;
Tear the isolated segment (96) on light core subregion (31) with by light core subregion (31) along two slots (or recess)
(38) and (38 ') are divided into two parts to expose the fiber cores (32) between two separate sections;And
One or more fiber cores (32) are connected to ONU by user's connecting interface.
The above method of the invention, in which:
Two slots (or recess or constriction) (34 ') are located on another surface of light core subregion (31) and are separately positioned on
At two basic change position between two reinforcer subregions (33) and light core subregion (31).
The above method of the invention, in which:
Slot (or recess) (38) is arranged on a surface of light core subregion (31), convenient for light core subregion (31) to be torn into
Two parts are with one or more of fiber cores (32) between the described two parts of exposure for connecting;
Wherein some or all of fiber cores in fiber cores 32 are placed under slot (or recess) 38.
The above method of the invention, in which:
Slot (or recess) (38 ') is arranged on another surface of light core subregion (31), convenient for tearing light core subregion (31)
At two parts with one or more of fiber cores (32) between the described two parts of exposure for connecting;
Wherein some or all of fiber cores in fiber cores 32 are aligned with two slots (or recess) 38 and 38 '.
Detailed description of the invention
The description present invention with reference to the accompanying drawings, in which:
Fig. 1 depicts exemplary network wiring technique 10, show will access distribution fiber optic cables introduce it is each commercial or
Residential building;
Fig. 2A depicts existing leading in cable 20;
Fig. 2 B depicts another existing leading in cable 40;
Fig. 3 A depicts the viewgraph of cross-section of leading in cable 30A according to a first embodiment of the present invention;
Fig. 3 B depicts the viewgraph of cross-section of leading in cable 30B according to a second embodiment of the present invention;
Fig. 3 C depicts the viewgraph of cross-section of leading in cable 30C according to a third embodiment of the present invention;
Fig. 3 D depicts the viewgraph of cross-section of leading in cable 30D according to a fourth embodiment of the present invention;
Fig. 3 E depicts the viewgraph of cross-section of leading in cable 30E according to a fifth embodiment of the present invention;
Fig. 3 F depicts the viewgraph of cross-section of leading in cable 30F according to a sixth embodiment of the present invention;
Fig. 3 G depicts the viewgraph of cross-section of leading in cable 30G according to a seventh embodiment of the present invention;
Fig. 3 H depicts the viewgraph of cross-section of leading in cable 30H according to a eighth embodiment of the present invention;And
The step of when Fig. 4-7 shows in-site installation close to fiber cores 32 in leading in cable 30B shown in Fig. 3 B.
Specific embodiment
Referring now to embodiment, the example is shown graphically in the attached figures.In a specific embodiment, used direction term, such as
" top ", " bottom ", "front", "rear", " side ", "left", "right" etc. are for the orientation of described figure.Because of this hair
The component of bright embodiment can be positioned with a variety of different orientations, and direction term is for illustrating and being in no way limiting of.As long as feasible,
It is used to refer to the same or similar component using by identical abdomen label in all attached drawings.
Fig. 2A depicts existing leading in cable 20.As shown in Fig. 2, leading in cable 20 include optical fiber 22, flat pattern (or
Rectangle) cable jacket 24 and two reinforcers 23.Optical fiber 22 is embedded in the middle part of cable jacket 24, and two reinforcers 23 bury
It is placed in cable jacket 24 and is separately positioned on the both lateral sides of optical fiber 22.A pair of of recess 21 is arranged in the two of cable jacket 24
Side enables skilled worker when installation at the scene to tear cable jacket 24 for two parts to approach optical fiber 22.In general, cable jacket
24 are made of FRNC (fire-retardant anticorrosive).Reinforcer 23 is made of GRP (Glass Reinforced Plastic) with required stretch-proof grade
Come the predetermined pull load being subjected on leading in cable 20, while still maintaining leading in cable 20 that there is smaller cross-sectional area area coverage
(or profile).
Fig. 2 B depicts another existing leading in cable 40.As shown in Figure 2 B, leading in cable 40 includes center Loose tube
(or separator tube) 46, the Loose tube (or separator tube) 46 wrap one or more optical fiber 45 and are filled with filler 44.Filler 44
Can be paraffinic base non-hygroscopic, without nutrition fungi, non-conductive homogeneous gel with prevent water permeate and migration.Center Loose tube
(or separator tube) 46 pairs of one or more of optical fiber 45 provide mechanical protection.Center Loose tube (or separator tube) 46 is by three layers of material
Material surrounds, successively comprising injection compound 43, corrugated steel band armor 42 and PE epitheca 41.Two wire reinforcements 47 are embedded in
In PE epitheca 41.In leading in cable 40, PE epitheca 41, corrugated steel band armor 42 and center Loose tube (or separator tube) 46 are usual
It is respectively provided with the thickness of 2.0mm, 0.25mm and 3.0mm.The diameter of leading in cable 40 is usually 8.8mm.
After the observation of prolonged in-site installation, present inventors have realized that, although existing leading in cable 20
Field erected needs are conformed generally to 40, but they do not have enough flexibilities required in some applications, because
The material of the reinforcer 47 in reinforcer 23 and leading in cable 40 in leading in cable 20 must have specific hardness to have
There is required stretch-proof grade.Therefore, be not suitable for for existing leading in cable 20 or 40 being arranged in crowded spool space, especially
It is when needing distributed optical splitter.
Fig. 3 A depicts the viewgraph of cross-section of leading in cable 30A according to a first embodiment of the present invention.As shown in Figure 3A, draw
Entering optical cable 30A includes: light core subregion 31;Four fiber cores 32, they are embedded in light core subregion 31 and along light core subregion 31
Cross section horizontal direction parallel place;And two circular reinforcements subregions 33, the cross of light core subregion 31 is arranged in they
To two sides.Optical fiber is set to reduce optical cable thickness.Spirit according to the present invention, substitution use two circular reinforcements point
Area, two rectangle reinforcer subregions are also feasible.Equally, spirit according to the present invention, substitution use four fiber cores, are more than
Or less than four fiber cores are also feasible.Fiber cores 32 can be the Loose tube or 0.9mm of four fibre ribbons, 250 optical fiber
Optical fiber, but other fiber cores are also feasible.
As it is known in the art, two reinforcer subregions 33 are for providing required stretch-proof grade to be subjected to leading in cable 30A
On predetermined pull load, while still maintaining lesser cross section area coverage (or profile).In the present invention, reinforcer point
The diameter (or thickness) in area 33 is greater than the thickness of light core subregion 31 so that reinforcer subregion 33 is subjected on leading in cable 30A
Predetermined pull load, and protect light core subregion 31 from damage.For example, if object fall on leading in cable 30A or
The top surface or bottom surface of leading in cable 30A are hit, reinforcer subregion 33 can bear all or most of impact.Cause
This, even if being manufactured from the same material, reinforcer subregion 33 is also more secured than light core subregion 31, because reinforcer subregion 33 is that have directly
Diameter (or thickness) is greater than the circle or rectangle of the thickness of light core subregion 31.
As shown in Figure 3A, for the ease of separating two reinforcers 33 and light core subregion 31, leading in cable 30A has two pairs
Slot (or recess or constriction) 34 and 34 ', these two pair slot (or recess or constriction) 34 and 34 ' are separately positioned on two reinforcer subregions
Two basic change position between 33 and light core subregion 31, and on the top and bottom surface of leading in cable 30A.Therefore, existing
When the installation of field, skilled worker can tear leading in cable 30A and make two reinforcers along two pairs of slots (or recess or constriction) 34 and 34 '
Subregion 33 and light core subregion 31 separate.For the ease of approaching fiber cores 32, there are two slot (or recess) 38 Hes for leading in cable 30A tool
38 ', they are separately positioned on the top and bottom surface of light core subregion 31.Therefore, when installing at the scene, skilled worker can be torn
Light core subregion 31 simultaneously divides light core subregion 31 for two parts to expose light core subregion 31 along two slots (or recess) 38 and 38 '
Fiber cores 32 between two separate sections.It should be appreciated that as shown in Figure 3A, some or all of fiber cores in fiber cores 32 with
Two slots (or recess) 38 and 38 ' are aligned.Therefore, when light core subregion 31 is divided into two along two slots (or recess) 38 and 38 '
When part, the leading portion and light core subregion 31 of all fiber cores in fiber cores 32 separate and are exposed to two parts of light core subregion 31
Between.
Fig. 3 B depicts the viewgraph of cross-section of leading in cable 30B according to a second embodiment of the present invention.As shown in Figure 3B, draw
Enter optical cable 30B structure be similar to Fig. 3 A shown in leading in cable 30A structure, but leading in cable 30B contain respectively it is embedding
Two reinforced wires 39 in two reinforcer subregions 33.It is higher anti-that two reinforced wires 39 have two reinforcer subregions 33
Cross section area coverage (or profile) of the Tension Grade without increasing leading in cable 30B, this is because two reinforced wires 39 compare
Two reinforcer subregions 33 are hard very much.In the embodiment shown in figure 3b, two reinforced wires 39 are the steel wire of 0.5mm, but make
It is also feasible that other sizes and material, which are used, as reinforcer.
Fig. 3 C depicts the viewgraph of cross-section of leading in cable 30C according to a third embodiment of the present invention.As shown in Figure 3 C, draw
The structure for entering optical cable 30C is similar to the structure of leading in cable 30B shown in Fig. 3 B, but only there is leading in cable 30C setting to exist
Slot (or recess) 38 on the top surface of light core subregion 31.The bottom surface of light core subregion 31 does not have slot (or recess).It answers
Work as understanding, as shown in Figure 3 C, some or all of fiber cores in fiber cores 32 are placed under slot (or recess) 38.Therefore,
When light core subregion 31 is divided into two parts along slot (or recess) 38, the leading portion and light core of all fiber cores in fiber cores 32
Subregion 31 is separated and is exposed between two parts of light core subregion 31.
Fig. 3 D depicts the viewgraph of cross-section of leading in cable 30D according to a fourth embodiment of the present invention.As shown in Figure 3D, draw
The structure for entering optical cable 30D is similar to the structure of leading in cable 30B shown in Fig. 3 B, but light core subregion 31 only contains an optical fiber
Core 32.
Fig. 3 E depicts the viewgraph of cross-section of leading in cable 30E according to a fifth embodiment of the present invention.As shown in FIGURE 3 E, draw
Enter two circular reinforcements subregions 33 that optical cable 30E includes light core subregion 31 with the both lateral sides that light core subregion 31 is arranged in.Two
A strip (tape) 35 is embedded in the middle part of light core subregion 31, and four fiber cores 32 are embedded in the middle part of light core subregion 31 simultaneously
It is placed along the horizontal direction parallel of the cross section of light core subregion 31.In the present invention, two strips 35 can be metal foil,
Polyester belt or the strip made of water-absorbent material, but other materials are also feasible.In extrusion process, in four fiber cores
32, which enter moulding press preparation, is molded into before leading in cable 30C, they are placed between two prefabricated strips 35.Cause
This, when two strips 35 are not secured together with four fiber cores 32 in light core subregion 31, therefore installed at the scene
It is easy and fiber cores 32 separates.Spirit according to the present invention, substitution use circular reinforcements subregion, two rectangle reinforcer subregions
It is also feasible.Equally, spirit according to the present invention, light core subregion 31 can contain one or more fiber cores.
As shown in FIGURE 3 E, for the ease of separating two reinforcers 33 and light core subregion 31, leading in cable 30E has two pairs
Slot (or recess or constriction) 34 and 34 ', they are separately positioned on two between two reinforcer subregions 33 and light core subregion 31
Binding site, and on the top and bottom surface of leading in cable 30E.When installing at the scene, skilled worker can tear leading in cable
30E simultaneously separates two reinforcer subregions 33 and light core subregion 31 along two slots (or recess or constriction) 34 and 34 '.In order to just
In close to fiber cores 32, leading in cable 30E has two pairs of slots (or recess) 36 and 36 ', they are respectively on the top of light core subregion 31
In portion and bottom surface and it is set at two marginal positions of two strips 35.When installing at the scene, skilled worker can be along
Two pairs of slots (or recess) 36 and 36 ' tear light core subregion 31, and skilled worker is enabled to separate two strips 35 to expose therebetween
Fiber cores 32.
Fig. 3 F depicts the viewgraph of cross-section of leading in cable 30F according to a sixth embodiment of the present invention.As illustrated in Figure 3 F, draw
Enter optical cable 30F structure be similar to Fig. 3 E shown in leading in cable 30E structure, but leading in cable 30F contain respectively it is embedding
Two reinforced wires 39 in two reinforcer subregions 33.It is higher anti-that two reinforced wires 39 have two reinforcer subregions 33
Cross section area coverage (or profile) of the Tension Grade without increasing leading in cable 30F, this is because two reinforced wires 39 compare
Two reinforcer subregions 33 are hard very much.In the embodiment shown in Fig. 3 F, two reinforced wires 39 are made of the steel wire of 0.5mm,
But it is also feasible for using other sizes and material as reinforcer.
Fig. 3 G depicts the viewgraph of cross-section of leading in cable 30G according to a seventh embodiment of the present invention.As shown in Figure 3 G, draw
The structure for entering optical cable 30G is similar to the structure of leading in cable 30E shown in Fig. 3 E, but only there is leading in cable 30G setting to exist
A pair of of slot (or recess) 36 on the top surface of light core subregion 31.The bottom surface of light core subregion 31 do not have any slot (or
Recess).
Fig. 3 H depicts the viewgraph of cross-section of leading in cable 30H according to a eighth embodiment of the present invention.As shown in figure 3h, draw
The structure for entering optical cable 30H is similar to the structure of leading in cable 30F shown in Fig. 3 F, and still, only there is leading in cable 30H setting to exist
A pair of of slot (or recess) 36 on the top surface of light core subregion 31.The bottom surface of light core subregion 31 do not have any slot (or
Recess).
It should be noted that two strips 35 extend beyond the proximal end of (or close) slot 36 and/or 36 ' as shown in Fig. 3 E-H
Edge, to make the edge of two strips 35 be exposed to operation skilled worker when light core subregion 31 is torn.If desired, skilled worker
The exposed edge of two strips 35 can be caught to separate two strips 35 and the fiber cores 32 being placed in therebetween, so that its
Between fiber cores 32 be exposed.
As it is known in the art, removing cable components (includes the fiber cores 32 in Fig. 3 A-H;Steel in Fig. 3 B, 3D, 3F and 3H
Silk 39;And the strip 35 in Fig. 3 E-H) exterior portion be referred to as cable jacket.
The step of when Fig. 4-7 shows installation at the scene close to fiber cores 32 in leading in cable 30B shown in Fig. 3 B.
Fig. 4 depicts the perspective view of leading in cable 30B shown in Fig. 3 B.
Fig. 5 depicts the perspective view of leading in cable 30B, show skilled worker tear leading in cable 30B and along two pairs of slots (or
Recess or constriction) 34 and 34 ' two reinforcers 33 and light core subregion 31 are separated.
Fig. 6 depicts the perspective view of leading in cable 30B, shows after separating with two reinforcers 33, light core subregion
31 become more have flexibility, thus at the scene install when be easier to be manipulated and arrange.The isolated light core with two reinforcers 33
Subregion 31 easily can lead to the engagement disk in terminal shell 6-1 or 6-2 from outdoor cabinet/case 3-1 or 3-2, so that fiber cores
32 can connect the optical splitter input optical fibre (not shown) in terminal shell 6-1 or 6-2.Equally, if two reinforced
Part 33 from the other end from leading in cable 30B Si from and the isolated light core subregion 31 of two reinforcers 33 can also easily connect
Incoming fiber optic (not shown) in outdoor cabinet/case 3-1 or 3-2.
Fig. 7 depicts the perspective view of leading in cable 30B, shows skilled worker along two slots (or recess) 38 for light core subregion
31 are torn into two parts with the fiber cores 32 between exposed and isolated two reinforcers 32 light core subregion 31.
When in-site installation, after being separated with light core subregion 31, two and isolated 33 subregion of reinforcer of light core subregion 31
Mechanical part/structure (not shown) in outdoor cabinet/case 3-1 or 3-2 or terminal shell 6-1 or 6-2 can be attached to mitigate
Pulling force on leading in cable 30B.
In the present invention, introducing light can be manufactured by operating with the pressure extrusion tool of punch die and formed punch design
Cable.The cable components shown in Fig. 3 A-H (include the fiber cores 32 in Fig. 3 A-H;Steel wire in Fig. 3 B, 3D, 3F and 3H;And
Strip 35 in Fig. 3 E-H) when being admitted to the tool, compression tool squeezes out sheath material around these components.It is more specific next
It says, when cable components are admitted to compression tool, sheath compound such as polyethylene or other suitable compounds are suitable
The tool is supplied under the conditions of temperature and pressure.Sheath compound totally surrounds cable components, and cable jacket is consequently formed.It is logical
It crosses and appropriately sets the tool, suitable geometry can be constructed on cable jacket, include slot shown in Fig. 3 A-H
34 and 34 ';Slot 38 and 38 ' shown in Fig. 3 A-D;And slot 36 and 36 ' shown in Fig. 3 E-H.
In an embodiment of the present invention, the sheath of leading in cable shown in Fig. 3 A-H can be by thermoplastic common in the sector
Property fire proofing be made, include polyvinyl chloride, polyurethane, PVC and PE, but other materials are also feasible.
It should be appreciated that for access connecting interface (interface) (such as outdoor cabinet/case shown in FIG. 1 of leading in cable
3-1 and 3-2) and user's connecting interface (such as terminal shell 6-1 and 6-2 shown in FIG. 1) outside part, the present invention in knot
Structure provides enough intensity and hardness for them, for enter access connecting interface and user's connecting interface part, then for
They provide enough flexibilities.In addition, structure of the invention allows to make using a kind of material in a molding process
Make cable jacket.This is because two pairs of slots (or recess or constriction) 34 and 34 ' are separately positioned on light core subregion 31 and embedding have more
Two basic change position between two reinforcer subregions 33 of stiff materials (steel wire 39).It changes for an angle, steel wire 39 increases
The intensity and hardness of two reinforcer subregions 33 outside strong access connecting interface and user's connecting interface, but when access cable
It, can be by steel wire 39 and two reinforcer subregions 33 together from light core subregion into access connecting interface and when user's connecting interface
31 tear off.This arrangement makes cable jacket that a type of material can be used.
In an embodiment of the present invention, the sheath of leading in cable has the cross sectional dimensions of 5.2mm x1.6mm;Reinforcer
Subregion 33 has the diameter or thickness of 5.2mm;And light core subregion 31 has the thickness of 2mm;But other sizes are also feasible.
For example, if tapping cable contain three rows with thickness, cable size will be about 8mm and multiplies 2.5-3.5mm.It is known that
It is that can require stronger reinforcer.It shall also be noted that the lower light lead cable in the present invention meet and meet IEC 60794-2 and
Requirement in 60332-3 standard.
When in-site installation, skilled worker, which is referred to Fig. 1-7, will access distribution fiber optic cables using leading in cable of the invention
Introduce customer premise.
Customer premise (building 7-1 or 7-2) is led in order to which distribution fiber optic cables 2 will be accessed, skilled worker obtains first to be had
One or more leading in cable 30B (one of them is shown in Fig. 4) of appropriate length, will access distribution fiber optic cables 2 from open air
Cabinet/case 3-1 or 3-2 leads to customer premise (building 7-1 or 7-2) (referring to Fig. 1 and 4).As shown in figure 4, leading in cable 30B has
There are incoming end 92 and connecting pin 94.
After obtaining one or more leading in cable 30B, skilled worker will be every in one or more of leading in cable 30B
One incoming end 92 is connected to access connecting interface (such as outdoor cabinet/case 3-1 or 3-2), and in neighbouring customer premise
One or more of leading in cable 30B are introduced and are cared for by the suitable position of user's connecting interface (such as terminal shell 6-1 or 6-2)
Guest room room (building 7-1 or 7-2) (referring to Fig. 1 and 5).
Skilled worker is then by two reinforcers on the connecting pin 94 of each of one or more of leading in cable 30B
Subregion 33 is torn, make one section of two reinforcer subregions 33 along two pairs of slots (or recess or constriction) 34 and 34 ' and light core subregion
31 separate (referring to Fig. 5).As shown in fig. 6, after two reinforcer subregions 33 and light core subregion 31 separate, on light core subregion 31
And the isolated segment 96 (being shown in Fig. 6) of reinforcer subregion 33 become more flexible, therefore at the scene install when more easily grasped
Vertical and arrangement.
Hereafter, skilled worker tears on the light core subregion 31 and isolated segment 96 of reinforcer subregion 33, by 31 edge of light core subregion
Two slots (or recess) 38 and 38 ' be divided into two parts with exposure two separate sections between fiber cores 32 (referring to Fig. 7).
Light core subregion 31 is then processed into user's connecting interface (eventually with the isolated segment 96 of reinforcer subregion 33 by skilled worker
End housing 6-1 or 6-2) in required shape, and by one or more fiber cores 32 be connected to engagement disk 9-1 or 9-2 on connecing
Line terminals (not shown).
Depending on the specific requirements of customer in house, skilled worker can by one or more of fiber cores 32 whole or
It is some to be directly led out as output connection 12-1 or 12-2 to connect one group of ONU in customer premise, and can will be one
Or the remaining fiber cores in multiple fiber cores 32 are connected to optical splitter 11-1 or 11-2, in the optical splitter 11-1 or 11-2
Described in remaining fiber cores in one or more fiber cores 32 be further divided into output connection 13-1 or 13-2 to connect
Meet another group of ONU.
When installing at the scene, 33 subregion of reinforcer that two separate with light core subregion is attached to outdoor cabinet/case 3-1 by skilled worker
Or mechanical part/structure (not shown) in 3-2 or terminal shell 6-1 or 6-2 is to mitigate the pulling force on leading in cable 30B.
It should be noted that the step of illustrating leading in cable 30B in-site installation is also applied for shown in Fig. 3 A, 3C and 3D-H
All other leading in cable 30A, 30C and 30D-H.
Mechanical part/structure function in this is that the reinforcer 33 that two separate with light core subregion is fastened to access
Connecting interface and user's connecting interface (i.e. outdoor cabinet/case 3-1 or 3-2 and terminal shell 6-1 or 6-2).As an example, can be with
Two reinforcers 33 separated with light core subregion are fastened using a pair of of buckle, at this moment it is to buckle and tight by it to be inserted into this for they
Gu.As other example, can be used thereon with threaded hole a pair of of pipe come fasten two separated with light core subregion add
Strong part 33, at this moment they are inserted into pipe and are fastened by two screws.
It should be appreciated that making leading in cable that there is larger diameter (or thickness) be easier skilled worker by two 33 Hes of reinforcer
Light core subregion 31 separates and light core subregion 31 is torn into two parts, especially when optical cable is flat pattern or rectangle.
It will be understood by those skilled in the art that the spirit and scope of subject content claimed can not departed from
In the case of, to embodiment described here, numerous modifications and variations may be made.For example, leading in cable 3A-H shown in Fig. 3 A-H can be with
Using a reinforcer 33 rather than use two reinforcers 33.Therefore, patent specification is intended to cover described herein each
The modifications and variations of kind embodiment, as long as this modifications and variations are fallen within the scope of the following claims and their equivalents.
Claims (32)
1. a kind of leading in cable, comprising:
One or more fiber cores (32);
Light core subregion (31), one or more of fiber cores are embedded in light core along the section view level of light core subregion (31)
In subregion (31);
Two reinforcer subregions (33), are separately positioned on the both lateral sides of light core subregion (31);Two constriction (34) are located at light core
On one surface of subregion (31) and be separately positioned between two reinforcer subregions (33) and light core subregion (31) two knots
Coincidence sets place, in order to tear two reinforcer subregions (33) from light core subregion (31), thus in two reinforcer subregions
(33) the isolated segment of light core subregion (31) is formed between, wherein described two reinforcer subregions (33), which do not have, is embedded in it
In stiff materials;And
Slot (38) is arranged at least one surface of light core subregion (31), is convenient for the isolated segment of light core subregion (31)
A part be torn into two parts, be exposed to light core subregion (31) isolated segment it is described a part in it is one or
Multiple fiber cores (32);
Wherein the reinforcer subregion (33) of the isolated segment of light core subregion (31) than two is more flexible, and wherein reinforcer subregion
(33) diameter or thickness is greater than the thickness of light core subregion (31) to protect light core subregion (31) from damage;And
The leading in cable is configured as extending between access connecting interface and user's connecting interface;
Wherein, it is configured for attaching to user's connecting interface with two reinforcer subregions (33) of the separation of light core subregion (31)
Or mechanical part/structure of access connecting interface.
2. leading in cable according to claim 1, further includes: two constriction (34 ') are located at the another of light core subregion (31)
At on a surface and two basic change position that is separately positioned between two reinforcer subregions (33) and light core subregion (31).
3. leading in cable according to claim 2, wherein some or all of fiber cores in fiber cores (32) are placed on
Under slot (38).
4. leading in cable according to claim 3, further includes:
Slot (38 ') is arranged on another surface of light core subregion (31), convenient for light core subregion (31) is torn into two parts with sudden and violent
Reveal one or more of fiber cores among described two parts for connecting;
Wherein some or all of fiber cores in fiber cores (32) are aligned with two slots (38,38 ').
5. leading in cable according to claim 1, in which: the hardness that reinforcer subregion (33) has is greater than light core subregion
(31) hardness.
6. leading in cable according to claim 1, in which:
Light core subregion (31) is more flexible than reinforcer subregion (33).
7. leading in cable according to claim 6, in which:
Light core subregion (31) and two reinforcer subregions (33) are made of fire proofing.
8. leading in cable according to claim 6, further includes:
At least one reinforced wire (39), is embedded in one of two reinforcer subregions (33).
9. leading in cable according to claim 8, in which:
At least one described reinforced wire (39) is wire.
10. leading in cable according to claim 1, further includes:
Two strips (35), they are embedded in light core subregion (31) along the section view level of light core subregion, and described one
A or multiple fiber cores (32) are placed between two strips (35).
11. leading in cable according to claim 10, in which:
Two recesses (36) are arranged at two marginal positions on a surface of light core subregion (31), convenient for dividing light core
Area (31) is torn into two parts to separate two strips (35) with the one or more of fiber cores (32) of exposure therebetween and be used for
Connection.
12. leading in cable according to claim 11, in which:
Two recesses (36 ') are arranged at the marginal position on another surface of light core subregion (31), are convenient for light core subregion
(31) two parts are torn into separate two strips (35) with the one or more of fiber cores (32) of exposure therebetween and be used to connect
It connects.
13. leading in cable described in -12 according to claim 1, in which:
Leading in cable is flat pattern or rectangular.
14. leading in cable according to claim 13, in which:
Leading in cable has the cross sectional dimensions of 1.6mm × 5.2mm.
15. leading in cable according to claim 14, in which:
Light core subregion (31) and two reinforcer subregions (33) are made into one.
16. a kind of method for leading in cable to be led to user's connecting interface from access connecting interface, leading in cable, which has, to be connect
Enter connecting pin (92) and subscriber connection (94), the method comprising the steps of:
Leading in cable is provided comprising:
One or more fiber cores (32);
Light core subregion (31), one or more of fiber cores are embedded in light core along the section view level of light core subregion (31)
In subregion (31);
Two reinforcer subregions (33), are separately positioned on the both lateral sides of light core subregion (31), wherein described two reinforcers point
Area (33), which does not have, is embedded in stiff materials therein;
Two constriction (34), be located at light core subregion (31) a surface on and be separately positioned on two reinforcer subregions (33) and
At two basic change position between light core subregion (31), convenient for two reinforcer subregions (33) are torn from light core subregion (31),
To form the isolated segment of light core subregion (31) between two reinforcer subregions (33);And
Slot (38) is arranged at least one surface of light core subregion (31), is convenient for the isolated segment of light core subregion (31)
A part be torn into two parts, be exposed to light core subregion (31) isolated segment it is described a part in it is one or
Multiple fiber cores (32);
Wherein the reinforcer subregion (33) of the isolated segment of light core subregion (31) than two is more flexible, and wherein reinforcer subregion
(33) diameter or thickness is greater than the thickness of light core subregion (31) to protect light core subregion (31) from damage;
In subscriber connection (94), step is executed:
Tear two reinforcer subregions on the subscriber connection (94) of each of one or more of leading in cables
(33), with from light core subregion (31) along two pairs of constriction (34,34 ') by one section of two reinforcer subregions (33) and light core subregion
(31) it separates;
The segment (96) for tearing the separation of on light core subregion (31) and two reinforcer subregions (33), by light core subregion (31) edge
Two slots (38,38 ') be divided into two parts to expose the fiber cores (32) between two separate sections;
One or more fiber cores (32) are connected to ONU by user's connecting interface;And
The two reinforcer subregions (33) that will be separated with light core subregion (31) attach to mechanical part/knot of user's connecting interface
Structure.
17. according to the method for claim 16, in subscriber connection, further comprising the steps of:
One or more of fiber cores (32) are separated to generate multiple output connections from a fiber cores;And
ONU will be connected to by user's connecting interface by separated one or more of fiber cores (32).
18. according to the method for claim 16, being further comprised the steps of: in access connecting pin
Tear two reinforcer subregions on the access connecting pin (92) of each of one or more of leading in cables
(33) to separate one section of two reinforcer subregions (33) and light core subregion (31) along two pairs of constriction (34,34 ');And
The reinforcer subregion (33) of two and light core subregion (31) separation are attached into mechanical part/knot in access connecting interface
Structure.
19. according to the method for claim 16, leading in cable further include:
Two constriction (34 ') are located on another surface of light core subregion (31) and are separately positioned on two reinforcer subregions
(33) at the two basic change position between light core subregion (31).
20. according to the method for claim 19, wherein some or all of fiber cores in fiber cores (32) are placed on slot
(38) under.
21. according to the method for claim 20, leading in cable further include:
Slot (38 ') is arranged on another surface of light core subregion (31), convenient for light core subregion (31) is torn into two parts with sudden and violent
Reveal one or more of fiber cores (32) among described two parts for connecting;
Wherein some or all of fiber cores in fiber cores (32) are aligned with two slots (38,38 ').
22. according to the method for claim 16, in which:
The hardness that reinforcer subregion (33) has is greater than the hardness of light core subregion (31).
23. according to the method for claim 16, in which:
Light core subregion (31) is more flexible than reinforcer subregion (33).
24. according to the method for claim 23, in which:
Light core subregion (31) and two reinforcer subregions (33) are made of fire proofing.
25. according to the method for claim 23, leading in cable further include:
At least one reinforced wire (39), is embedded in one of two reinforcer subregions (33).
26. according to the method for claim 25, in which:
At least one described reinforced wire (39) is wire.
27. according to the method for claim 16, leading in cable further include:
Two strips (35), are embedded in light core subregion (31) along the section view level of light core subregion (31), described
One or more fiber cores (32) are placed between two strips (35).
28. according to the method for claim 27, in which:
Two recesses (36) are arranged at two marginal positions on a surface of light core subregion (31), convenient for dividing light core
Area (31) is torn into two parts to separate two strips (35) with the one or more of fiber cores (32) of exposure therebetween and be used for
Connection.
29. according to the method for claim 28, in which:
Two recesses (36 ') are arranged at the marginal position on another surface of light core subregion (31), are convenient for light core subregion
(31) two parts are torn into separate two strips (35) with the one or more of fiber cores (32) of exposure therebetween and be used to connect
It connects.
30. method described in 6-29 according to claim 1, in which:
Leading in cable is flat pattern or rectangular.
31. according to the method for claim 30, in which:
Leading in cable has the cross sectional dimensions of 1.6mm × 5.2mm.
32. according to the method for claim 31, in which:
Light core subregion (31) and two reinforcer subregions (33) are made into one.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811058552.2A CN109239873A (en) | 2011-07-12 | 2011-07-12 | Leading in cable and its at the scene application method in installation |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201180064701.6A CN103649802A (en) | 2011-07-12 | 2011-07-12 | Fiber optic drop cable and method for using the same in field installation |
PCT/CN2011/001148 WO2013006984A1 (en) | 2011-07-12 | 2011-07-12 | Fiber optic drop cable and method for using the same in field installation |
CN201811058552.2A CN109239873A (en) | 2011-07-12 | 2011-07-12 | Leading in cable and its at the scene application method in installation |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201180064701.6A Division CN103649802A (en) | 2011-07-12 | 2011-07-12 | Fiber optic drop cable and method for using the same in field installation |
Publications (1)
Publication Number | Publication Date |
---|---|
CN109239873A true CN109239873A (en) | 2019-01-18 |
Family
ID=47505476
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201811058552.2A Pending CN109239873A (en) | 2011-07-12 | 2011-07-12 | Leading in cable and its at the scene application method in installation |
CN201180064701.6A Pending CN103649802A (en) | 2011-07-12 | 2011-07-12 | Fiber optic drop cable and method for using the same in field installation |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201180064701.6A Pending CN103649802A (en) | 2011-07-12 | 2011-07-12 | Fiber optic drop cable and method for using the same in field installation |
Country Status (2)
Country | Link |
---|---|
CN (2) | CN109239873A (en) |
WO (1) | WO2013006984A1 (en) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2998662B1 (en) * | 2012-11-23 | 2019-10-25 | Airbus Operations | DEVICE FOR DEFORMATION MEASUREMENT AND IMPLANTATION OF SUCH A DEVICE IN AN ELEMENT |
CN104865657A (en) * | 2015-05-27 | 2015-08-26 | 成都美美通信技术有限公司 | Easy-mounting fiber splitter |
WO2017030791A1 (en) * | 2015-08-18 | 2017-02-23 | Corning Optical Communications LLC | Optical fiber bundle |
JP6515751B2 (en) * | 2015-09-04 | 2019-05-22 | 住友電気工業株式会社 | Fiber optic cable |
CN105116505A (en) * | 2015-09-16 | 2015-12-02 | 成都美美通信技术有限公司 | Tensile fiber splitter |
CN105116503A (en) * | 2015-09-16 | 2015-12-02 | 成都美美通信技术有限公司 | Optical fiber splitter |
US20160290835A1 (en) * | 2015-10-14 | 2016-10-06 | Shell Oil Company | Fiber optic cable system |
CN109856746B (en) * | 2016-07-15 | 2020-06-12 | 杭州富通通信技术股份有限公司 | Butterfly cable |
JP7366416B2 (en) | 2020-02-28 | 2023-10-23 | 古河電気工業株式会社 | fiber optic cable |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6493491B1 (en) * | 1999-09-28 | 2002-12-10 | Alcatel | Optical drop cable for aerial installation |
AU2003274752A1 (en) * | 2002-10-25 | 2004-05-13 | Fujikura Ltd. | Optical drop cable |
US7471862B2 (en) * | 2002-12-19 | 2008-12-30 | Corning Cable Systems, Llc | Dry fiber optic cables and assemblies |
JP4793216B2 (en) * | 2006-10-25 | 2011-10-12 | 住友電気工業株式会社 | Fiber optic cable |
JP2008249749A (en) * | 2007-03-29 | 2008-10-16 | Occ Corp | Optical fibre drop cable having supporting line |
JP2009053685A (en) * | 2007-07-27 | 2009-03-12 | Furukawa Electric Co Ltd:The | Optical fiber cable |
JP5087492B2 (en) * | 2008-08-01 | 2012-12-05 | 株式会社フジクラ | Fiber optic cable |
JP2010237529A (en) * | 2009-03-31 | 2010-10-21 | Sumitomo Electric Ind Ltd | Optical fiber cable |
-
2011
- 2011-07-12 WO PCT/CN2011/001148 patent/WO2013006984A1/en active Application Filing
- 2011-07-12 CN CN201811058552.2A patent/CN109239873A/en active Pending
- 2011-07-12 CN CN201180064701.6A patent/CN103649802A/en active Pending
Also Published As
Publication number | Publication date |
---|---|
WO2013006984A1 (en) | 2013-01-17 |
CN103649802A (en) | 2014-03-19 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN109239873A (en) | Leading in cable and its at the scene application method in installation | |
CN102640027B (en) | Data communication/telecommunications patching system with being integrated and connected property module | |
EP1570557B1 (en) | Structured cabling system and method | |
US20080193091A1 (en) | Tapered Cable For Use In Fiber To The Premises Applications | |
US20090252462A1 (en) | Optical box and method of connecting optical fibres | |
TW200838073A (en) | Fiber distribution enclosure | |
JP2006337499A (en) | Optical fiber drop cable | |
CN105531613B (en) | Electric power and optical fiber interface | |
JP4040633B2 (en) | Optical cable | |
US20170303011A1 (en) | Cable management closure for implementation at distribution points | |
US6775445B2 (en) | Optical fiber drop cable | |
CN201725058U (en) | Multifunctional panel case | |
US10234634B2 (en) | Flexible device for distributing hybrid cable and transitioning from trunk cable to jumper cable | |
US20230261452A1 (en) | Management device for hybrid cable | |
JP2008181848A (en) | Parallel multi-unit cable | |
JP4665048B1 (en) | Optical drop cable | |
JP2009229786A (en) | Optical fiber cable | |
JP4104513B2 (en) | Optical cable connection closure | |
CN216622788U (en) | Indoor and outdoor butterfly-shaped leading-in optical cable | |
CN106154474A (en) | FTTH Quick distributor system multi-user light allocation unit device and wiring method | |
JP4665057B1 (en) | Optical drop cable | |
JP2008129170A (en) | Optical fiber cable, optical fiber cable system using the same, and method of laying optical fiber cable | |
JP4689764B1 (en) | Optical drop cable | |
JPH11242144A (en) | Optical fiber cable | |
CN102598448B (en) | For installing the device of transmission cable |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190118 |
|
WD01 | Invention patent application deemed withdrawn after publication |