CN113341515A - Special-shaped branch optical cable applied to machine room - Google Patents
Special-shaped branch optical cable applied to machine room Download PDFInfo
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- CN113341515A CN113341515A CN202011476186.XA CN202011476186A CN113341515A CN 113341515 A CN113341515 A CN 113341515A CN 202011476186 A CN202011476186 A CN 202011476186A CN 113341515 A CN113341515 A CN 113341515A
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- optical cable
- special
- oversheath
- core
- shaped branch
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- 230000003287 optical effect Effects 0.000 title claims abstract description 108
- 239000000835 fiber Substances 0.000 claims abstract description 17
- 229920006231 aramid fiber Polymers 0.000 claims abstract description 14
- 239000002131 composite material Substances 0.000 claims abstract description 7
- 239000013307 optical fiber Substances 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 9
- 239000004760 aramid Substances 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 239000003086 colorant Substances 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 230000002787 reinforcement Effects 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 32
- 238000004891 communication Methods 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 6
- 230000003014 reinforcing effect Effects 0.000 description 5
- 238000013024 troubleshooting Methods 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 239000011229 interlayer Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007380 fibre production Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
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- 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
-
- 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
- G02B6/4439—Auxiliary devices
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Light Guides In General And Applications Therefor (AREA)
Abstract
The invention relates to a special-shaped branch optical cable applied to a machine room, which comprises: aramid fiber, tight cover fibre and five oversheath, tight cover fibre locates in the oversheath respectively correspondingly, aramid fiber evenly wraps up in the fine outside of tight cover, five oversheath by central oversheath with connect in four week side oversheath of central oversheath are constituteed, and two adjacent week side oversheath link to each other and form a two-core optical cable unit, can be used for the multiple mode that contains single core optical cable mode or single core, two-core optical cable composite mode or two cores, three-core optical cable composite mode with special-shaped branch optical cable through setting up plug-in components. Has the advantages that: the composite material has good torsion resistance, lateral pressure resistance and high-temperature retraction resistance, and the usable length can be increased; the cable can be used in an overhead manner, is attractive and easy to classify, and solves the problems that the optical cable is not easy to distinguish during construction, the efficiency is low, the fault is difficult to find after a single line is damaged, and the like.
Description
Technical Field
The invention relates to the field of optical fiber manufacturing, in particular to a special-shaped branch optical cable applied to a machine room.
Background
The current network information is developed rapidly, the development of information technology will require optical device manufacturers and network operation to provide high-capacity and rapid optical communication service, the traditional single-double core optical cable has single transmission structure and disordered wiring, which is not beautiful enough; the optical cable construction terrain is complicated, the construction scene is changeable, and the tensile resistance, the torsion resistance and the side pressure resistance of the optical cable directly influence the service life of the optical cable.
The existing machine room is dense in wiring and high in wiring construction cost, and the single-core and double-core flexible optical cables in the existing market are limited in laying length due to the characteristics of insufficient strength of the flexible optical cables such as compression resistance and torsion resistance.
On the other hand, during construction, the optical cable is not easy to distinguish, the efficiency is low, and the problem that troubleshooting is difficult after a single line is damaged is easy to occur. Moreover, in the construction process or when the optical fiber is internally broken along with the time, the broken optical fiber cannot be replaced, the technical problem can be solved only by repeated construction, and time and labor are wasted.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, provides the special-shaped branch optical cable applied to the machine room, solves the problems that the existing machine room optical cable is high in wiring construction cost and is restricted by the wiring length, and is realized by the following technical scheme:
be applied to special-shaped branch optical cable of computer lab includes: aramid fiber, tight cover fibre and five oversheath, tight cover fibre locates in the oversheath respectively correspondingly, aramid fiber evenly wraps up in the fine outside of tight cover, five oversheath by central oversheath with connect in four week side oversheath of central oversheath are constituteed, and two adjacent week side oversheath link to each other and form a two-core optical cable unit that contains the cavity region, are used for special-shaped branch optical cable to contain the multiple mode of single core optical cable mode or single core, two-core optical cable composite mode or two cores, three-core optical cable composite mode through setting up plug-in components joint.
The special-shaped branch optical cable applied to the machine room is further designed in such a way that the hollow area of each double-core optical cable unit is provided with a reinforcing member for overhead.
The special-shaped branch optical cable applied to the machine room is further designed in such a way that the colors of tight-buffered fibers in the five outer sheaths are different.
The special-shaped branch optical cable applied to the machine room is further designed in that at least three aramid fibers are adopted.
The special-shaped branch optical cable applied to the machine room is further designed in that the outer sheath is extruded by PVC or LSZH materials.
The special-shaped branch optical cable applied to the machine room is further designed in that the plug-in connector is an FC jumper wire, an SC jumper wire or an ST jumper wire.
The invention also provides a die for producing the special-shaped branch optical cable applied to the machine room, which is characterized by comprising a die core for molding tightly sleeved fibers and a die sleeve for molding an outer sheath, wherein the main body of the die core is a frustum-shaped cover body, and a molding pipe corresponding to the outer sheath is arranged on the end surface of one side of the discharge end of the frustum-shaped cover body; the main body of the die sleeve is a columnar cover body, a discharge port corresponding to the outer sheath is arranged on the end face of one side of the discharge end of the columnar cover body, and a notch used for communicating the central outer sheath with the peripheral outer sheaths is formed in the discharge port; a seam used for communicating the outer sheath at the inner periphery side of the corresponding double-core optical cable unit is arranged between the discharge ports corresponding to the hollow area.
The invention has the following advantages:
the special-shaped branch optical cable applied to the machine room is combined by wrapping five tight-sleeved fibers with different colors and outer protection with aramid fibers, can be independently and separately used, is light in weight, and can be used as a jumper wire respectively.
Compared with single-core and double-core structures, the special-shaped branch optical cable applied to the machine room has good torsion resistance, side pressure resistance and high-temperature retraction resistance, and the usable length can be increased; the five optical cables are combined together, so that convenience in construction is improved, and meanwhile, the wiring is more attractive.
The special-shaped branch optical cable applied to the machine room can be independently and separately added with plug-in units respectively to be used as a single-core structure to form various transmission structures, and also can be made into two double-core structures, wherein one middle optical cable can be used for reserving interfaces, and can be used as a substitute when an optical fiber is internally broken in the construction process or along with the time, so that repeated construction is avoided, the product has performance superior to that of the single-core optical cable and the double-core optical cable in all aspects, the actual use scene of the product is wide, and the special-shaped branch optical cable can be applied to the following scenes: (1) instrumentation, communications interconnect equipment; (2) a tail cable, a movable connecting line and a jumper of the communication equipment; (3) one building is connected with another building through an optical cable; (4) indoor flexible optical cable for connecting wall, roof, interlayer and conduit, etc.
The special-shaped branch optical cable applied to the machine room can meet ground laying construction, and can be additionally provided with reinforcing parts such as copper wires and the like for overhead use, so that the special-shaped branch optical cable is attractive and easy to sort and arrange wires, in order to solve the problems that the optical cable is difficult to distinguish during construction, the efficiency is low, fault troubleshooting is difficult after a single wire is damaged and the like, the surface of the optical cable is respectively provided with a color ring or printed, the special-shaped branch optical cable can be quickly positioned during construction and troubleshooting, the problems can be quickly and efficiently solved, and the construction and later maintenance cost is greatly reduced.
Drawings
Fig. 1 is a schematic cross-sectional view of a special-shaped optical branch cable applied to a machine room.
FIG. 2 is a schematic diagram of the operation modes of the special-shaped branch optical cable applied to a machine room;
FIG. 2a is a schematic view of a combination mode of a dual-core and a three-core optical cable; FIG. 2b is a schematic view of a single core, dual core cable combination mode; figure 2c is a schematic representation of a single core fiber optic cable mode.
Fig. 3 is a schematic diagram of production equipment for the special-shaped branch optical cable applied to a machine room.
Fig. 4 is a schematic view of a production flow of the special-shaped branch optical cable applied to a machine room.
FIG. 5 is a top view of the extruder core for sheath process of the special-shaped branch cable applied to the machine room.
Fig. 6 is a schematic diagram of a sheath manufacturing process mold sleeve of the special-shaped branch optical cable applied to a machine room.
Detailed Description
The technical solution of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1, the special-shaped optical branch cable applied to the machine room of the present embodiment mainly comprises: aramid fiber 1, tight-buffered fiber 4 and five outer sheaths 2. Tightly cover fine 4 and locate oversheath 2 respectively correspondingly in, aramid fiber 1 evenly wraps up in the outside of tightly covering fine 4, and three aramid fibers 1 are adopted to this embodiment. The five outer sheaths 2 are composed of a central outer sheath 22 and four peripheral side outer sheaths 21 connected to the central outer sheath. Two adjacent peripheral outer sheaths 21 are connected to form a twin-core cable unit, each of which forms a waist-shaped hollow region 3. The special-shaped branch optical cable of the embodiment can be set into a plurality of working modes including a single-core optical cable mode (see c in fig. 2) or a single-core and double-core optical cable combined mode (see b in fig. 2, a central outer sheath can be used for reserving an interface) or a double-core and three-core optical cable combined mode (see a in fig. 2) by arranging plug-in connectors such as FC jumpers, SC jumpers, ST jumpers and the like at ports of optical fibers (in the embodiment, the FC jumpers are adopted), and the working modes can be replaced in the construction process or when the optical fibers are broken down along with the time, so that repeated construction is avoided, and the performance of the special-shaped branch optical cable is superior to that of single-core and double-core optical cables in all aspects.
The special-shaped branch optical cable applied to the machine room of the embodiment is provided with a reinforcing member for overhead in the hollow area of each two-core optical cable unit, for example: the copper wire that this implementation adopted to use for it is overhead, not only pleasing to the eye but also easily categorised winding displacement.
In the embodiment, for solving the problems that the optical cable is not easy to distinguish during construction, the efficiency is low, the single line is difficult to find out after being damaged, the surface of the optical cable is respectively provided with a color ring or printed, the optical cable can be quickly positioned during construction and finding out fault points, the problems are solved quickly and efficiently, and the construction cost and the later maintenance cost are greatly reduced. In this embodiment, the colors of the tight-buffered fibers in the five outer sheaths are different, so as to facilitate rapid identification.
The tight-buffered fiber 4 of the special-shaped optical drop cable of the present embodiment is formed by using a material such as PVC (PVC material is used in the present embodiment) as a covering unit through a core shown in fig. 5 from an optical fiber unit. The main body of the mold core is a frustum-shaped cover body 6, and a forming pipe 5 is arranged on the end face of one side of the discharge end of the cover body 6.
The outer sheath of the special-shaped branch optical cable of the embodiment is formed by extruding a PVC or LSZH material (the embodiment adopts the PVC material), and the adopted process mold sleeve, referring to fig. 6, the main body of the mold sleeve is a cylindrical cover body, the discharge end of the cylindrical cover body is provided with a discharge port 7 corresponding to the outer sheath 2, and the discharge port 7 is provided with a gap 71 for communicating the central outer sheath 22 with the peripheral outer sheath 21; a slit 8 for communicating is arranged between the discharge ports 7.
Referring to fig. 3, the production flow of the special-shaped optical drop cable of the present embodiment is as follows:
step 1) selecting an optical fiber unit, and using PVC and other materials as a coating unit to complete the production of a sleeve communication unit product through a tight sleeve fiber production line shown in FIG. 3;
step 2), designing a mold core of the extruding machine mold of the outer sheath production line, referring to fig. 5, and referring to fig. 6 for a mold sleeve;
step 3) completing the production of the optical cable by using the sheath production line shown in FIG. 4;
step 4), wiring the tight sleeve through a special branching plate, and uniformly wrapping the aramid fiber around the tight sleeve through the special branching plate and then entering the inner mold;
and 5) manufacturing the optical cable by machining a sheath coating material (PVC or LSZH) of the optical cable through a gap between the die sleeve and the die core.
The special-shaped branch optical cable is a light branch optical cable with high tensile property, high torsion resistance and multiple cores, is suitable for various construction scenes, reduces the construction cost of the optical cable, prolongs the service life of the optical cable, and reduces the maintenance cost of the cable in the later communication period; the special-shaped branch optical cable is wide in application, the optical fiber communication units are respectively wrapped by aramid fibers and then combined together by adding outer shields, and the special-shaped branch optical cable can be independently and separately used, is light in weight and can be used as jumper wires respectively; the optical cable can be independently and separately added with plug-ins to be used as single-core structures, 5 kinds of transmission can be formed respectively, the optical cable can also be made into two double-core structures, one in the middle can be used for reserving an interface, and the optical cable can be replaced when the optical cable is internally broken in the construction process or along with the time, so that repeated construction is avoided; the special-shaped branch optical cable has the advantages that the structure of the special-shaped branch optical cable not only increases convenience in construction, but also has attractive wiring, the wiring is dense in a machine room, the wiring construction cost is high, the structural optical cable can meet ground laying construction, and can be additionally provided with reinforcing parts such as copper wires and the like for overhead use, the structure is attractive and easy to classify wire arrangement, the wiring is dense in the machine room, the wiring construction cost is high, the structural optical cable can meet ground laying construction, and can also be additionally provided with reinforcing parts such as copper wires and the like for overhead use, the structure is attractive and easy to classify wire arrangement, the problems that the optical cable is not easy to distinguish during construction, the efficiency is low, fault troubleshooting is difficult after single wires are damaged are solved, the surface of the optical cable is respectively provided with a color ring or printed, the fault point can be quickly positioned during construction and troubleshooting, the problems can be quickly and efficiently solved, the construction and later maintenance costs are greatly reduced, and the optical cable has very good torsion resistance, The lateral pressure resistance and high-temperature retraction resistance are achieved, so that the optical cable with the design has excellent tensile, compression and torsion resistance; in addition, the tensile, compression and torsion resistance of the communication optical cable is an important performance index of the optical cable, and the excellent performance of the product in all aspects makes the actual use scene of the product wide: (1) large-scale communication boxes such as instruments and communication interconnection equipment; (2) a tail cable, a movable connecting line and a jumper of the communication equipment; (3) one building is connected with another building through an optical cable; (4) indoor flexible optical cable for connecting wall, roof, interlayer and conduit, etc.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. The utility model provides a be applied to special-shaped branch optical cable of computer lab which characterized in that includes: aramid fiber, tight cover fibre and five oversheath, tight cover fibre locates in the oversheath respectively correspondingly, aramid fiber evenly wraps up in the fine outside of tight cover, five oversheath by central oversheath with connect in four week side oversheath of central oversheath are constituteed, and two adjacent week side oversheath link to each other and form a two-core optical cable unit that contains the cavity region, can be used for special-shaped branch optical cable to contain the multiple mode of single core optical cable mode or single core, two-core optical cable composite mode or two cores, three-core optical cable composite mode through setting up plug-in components joint.
2. Special-shaped branch cable for machine rooms according to claim 1, wherein the hollow area of each two-core cable unit is provided with a reinforcement for aerial use.
3. The special-shaped branch optical cable applied to a machine room as claimed in claim 1, wherein the colors of the tight-buffered fibers in the five outer sheaths are different.
4. The special-shaped branch optical cable applied to the machine room as claimed in claim 1, wherein at least three aramid fibers are adopted.
5. The special-shaped branch optical cable applied to a machine room as claimed in claim 1, wherein the outer sheath is formed by extruding PVC or LSZH material coated tight-buffered fiber.
6. The special-shaped optical branch cable applied to a machine room as claimed in claim 1, wherein the tight-buffered fiber is formed by coating an optical fiber unit with PVC or LSZH material.
7. Profiled drop cable applied to a machine room according to claim 1, wherein the plug-in connector is an FC jumper or an SC jumper or an ST jumper.
8. A mould for producing the special-shaped branch optical cable applied to the machine room in any one of claims 1 to 6 is characterized by comprising a mould core for forming tight-jacketed fibers and a mould sleeve for forming an outer sheath, wherein the main body of the mould core is a frustum-shaped cover body, and a forming pipe corresponding to the outer sheath is arranged on the end surface of one side of the discharge end of the frustum-shaped cover body; the main body of the die sleeve is a columnar cover body, a discharge port corresponding to the outer sheath is arranged on the end face of one side of the discharge end of the columnar cover body, and a notch used for communicating the central outer sheath with the peripheral outer sheaths is formed in the discharge port; a seam used for communicating the outer sheath at the inner periphery side of the corresponding double-core optical cable unit is arranged between the discharge ports corresponding to the hollow area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011476186.XA CN113341515A (en) | 2020-12-15 | 2020-12-15 | Special-shaped branch optical cable applied to machine room |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011476186.XA CN113341515A (en) | 2020-12-15 | 2020-12-15 | Special-shaped branch optical cable applied to machine room |
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| Publication Number | Publication Date |
|---|---|
| CN113341515A true CN113341515A (en) | 2021-09-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011476186.XA Pending CN113341515A (en) | 2020-12-15 | 2020-12-15 | Special-shaped branch optical cable applied to machine room |
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| Country | Link |
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| CN (1) | CN113341515A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114236720A (en) * | 2021-12-09 | 2022-03-25 | 南京华信藤仓光通信有限公司 | Multi-core side-by-side tight fiber sheathing and production mold and method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200950170Y (en) * | 2006-09-04 | 2007-09-19 | 江苏长飞中利光纤光缆有限公司 | Bundling-type branching optical cable |
| CN102472877A (en) * | 2010-06-09 | 2012-05-23 | 住友电气工业株式会社 | Connector-equipped assembled optical cable |
| US9715073B1 (en) * | 2015-02-19 | 2017-07-25 | Afl Telecommunications Llc | Optical trunk cable having web-connected sub-unitized configuration |
| CN107167887A (en) * | 2017-05-16 | 2017-09-15 | 深圳长飞智连技术有限公司 | A kind of polarity management method of wildcard fiber optic tap module |
| CN109491032A (en) * | 2018-12-27 | 2019-03-19 | 南京华信藤仓光通信有限公司 | A kind of boundling optical cable and its plsitive mold |
-
2020
- 2020-12-15 CN CN202011476186.XA patent/CN113341515A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200950170Y (en) * | 2006-09-04 | 2007-09-19 | 江苏长飞中利光纤光缆有限公司 | Bundling-type branching optical cable |
| CN102472877A (en) * | 2010-06-09 | 2012-05-23 | 住友电气工业株式会社 | Connector-equipped assembled optical cable |
| US9715073B1 (en) * | 2015-02-19 | 2017-07-25 | Afl Telecommunications Llc | Optical trunk cable having web-connected sub-unitized configuration |
| CN107167887A (en) * | 2017-05-16 | 2017-09-15 | 深圳长飞智连技术有限公司 | A kind of polarity management method of wildcard fiber optic tap module |
| CN109491032A (en) * | 2018-12-27 | 2019-03-19 | 南京华信藤仓光通信有限公司 | A kind of boundling optical cable and its plsitive mold |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114236720A (en) * | 2021-12-09 | 2022-03-25 | 南京华信藤仓光通信有限公司 | Multi-core side-by-side tight fiber sheathing and production mold and method |
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Application publication date: 20210903 |