CN213423554U - Double-core optical cable capable of being recognized at night - Google Patents
Double-core optical cable capable of being recognized at night Download PDFInfo
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- CN213423554U CN213423554U CN202022733608.9U CN202022733608U CN213423554U CN 213423554 U CN213423554 U CN 213423554U CN 202022733608 U CN202022733608 U CN 202022733608U CN 213423554 U CN213423554 U CN 213423554U
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Abstract
The utility model provides a distinguishable twin-core optical cable night, including PVC outer protective housing, glass fiber, the non-woven fabrics, anti-pressure layer, the waterproof layer, the flame retardant coating, fluorescent layer and cable heart, PVC outer protective housing is inside to be pasted there is glass fiber, the inside non-woven fabrics that is provided with of glass fiber, the non-woven fabrics inboard is provided with anti-pressure layer, the inside rear side of anti-pressure layer is provided with the cable heart, the outer terminal surface of cable heart is provided with the fluorescent layer, the outer terminal surface of fluorescent layer is provided with the flame retardant coating, the outer terminal surface of flame retardant coating is provided with the waterproof layer, current twin-core optical cable lacks the protection component in this design, the very fragile in the use, the problem that two good cores were differentiateed during the maintenance of while night, the utility model discloses rational in infrastructure, be convenient for realize multiple protection to.
Description
Technical Field
The utility model relates to a distinguishable twin-core optical cable night belongs to twin-core optical cable technical field.
Background
The double-core optical fiber contains two fiber cores in the same cladding, each core is an optical waveguide, namely two single-core optical fibers are integrated in one double-core optical fiber, the double-core optical fiber is a special optical fiber with special refractive index distribution, the refractive index distribution structure of the conventional optical fiber is broken through, and the two parallel fiber cores are arranged in the same optical fiber, so that the double-core optical fiber can be used as an optical transmission medium and can construct a new optical device.
The existing double-core optical cable is lack of a corresponding special protection device, is easily damaged by pressure, water or fire after being installed outdoors, is inconvenient to distinguish two groups of cable cores when being maintained at night, and needs a double-core optical cable which can be identified at night to solve the problems.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims at providing a distinguishable twin-core optical cable night to solve the problem that proposes in the above-mentioned background art, the utility model discloses rational in infrastructure, be convenient for realize multiple protection to the cable heart, prevent that the cable heart is impaired, two sets of cable hearts of resolution that can be convenient when maintaining at night simultaneously.
In order to achieve the above purpose, the present invention is realized by the following technical solution: the utility model provides a distinguishable twin-core optical cable night, includes PVC outer protective housing, wearing layer, glass fiber, non-woven fabrics, compressive layer, central support column, packing granule, waterproof layer, flame retardant coating, fluorescent layer and cable heart, the outer terminal surface of PVC outer protective housing is provided with the wearing layer, the inside glass fiber that pastes of PVC outer protective housing, the inside non-woven fabrics that is provided with of glass fiber, the non-woven fabrics inboard is provided with the compressive layer, compressive layer internal neutral position is provided with central support column, central support column rear side is provided with the cable heart, the outer terminal surface of cable heart is provided with the fluorescent layer, the outer terminal surface of fluorescent layer is provided with the flame retardant coating, the outer terminal surface of flame retardant coating is provided with the waterproof layer, the.
Furthermore, the cable cores are provided with two groups, and the specifications of the two groups of cable cores are the same.
Furthermore, fluorescent layers, fireproof layers and waterproof layers are arranged on the outer sides of the two groups of cable cores, and the two groups of cable cores are symmetrically arranged on the front side and the rear side inside the PVC outer protective shell.
Furthermore, a plurality of groups of triangular supporting blocks are arranged in the pressure-resistant layer, and the specifications of the plurality of groups of supporting blocks are the same.
Furthermore, the wear-resistant layer is provided with a plurality of groups, and the wear-resistant layers are uniformly arranged on the outer end face of the PVC outer protective shell.
The utility model has the advantages that: the utility model discloses a distinguishable twin-core optical cable night, because of the utility model discloses added PVC outer protective housing, wearing layer, glass fiber, non-woven fabrics, compressive layer, central support column, packing granule, waterproof layer, flame retardant coating, fluorescent layer and cable core, this design has solved current twin-core optical cable and has lacked protection component, and very fragile in the use, the problem that twin-core was not differentiateed when maintaining at night simultaneously has improved the utility model discloses a durability and maintenance convenience.
Because of two sets of cable cores outside all is provided with the fluorescent layer, flame retardant coating and waterproof layer, and two sets of cable cores symmetry sets up both sides around the PVC outer protective housing is inside, this design is convenient for provide multiple protection to the cable core, distinguish two sets of cable cores when being convenient for maintain at night simultaneously, be provided with multiunit triangle-shaped supporting shoe because of the compression layer inside, and multiunit supporting shoe specification is the same, this design is convenient for promote the intensity of cable core, prevent that the extrusion is impaired, the multiunit has been seted up because of the wearing layer, and multiunit wearing layer evenly sets up at the outer terminal surface of PVC outer protective housing, this design is convenient for increase the wearability of PVC outer protective housing, prevent that PVC outer protective housing from damaging because of the damaged cable core that leads to of friction, the utility model discloses rational in infrastructure, be convenient for realize multiple protection to the cable core.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic structural view of a dual-core optical cable recognizable at night in the present invention;
fig. 2 is a front sectional view of a dual-core optical cable recognizable at night according to the present invention;
fig. 3 is a right sectional view of the dual-core optical cable recognizable at night according to the present invention;
in the figure: the cable comprises, by weight, 1-PVC outer protective shell, 2-wear-resistant layer, 3-glass fiber, 4-non-woven fabric, 5-compression-resistant layer, 6-central support column, 7-filling particles, 8-waterproof layer, 9-fireproof layer, 10-fluorescent layer and 11-cable core.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
Referring to fig. 1-3, the present invention provides a technical solution: a dual-core optical cable capable of being identified at night comprises a PVC outer protective shell 1, a wear-resistant layer 2, glass fibers 3, non-woven fabrics 4, a pressure-resistant layer 4, a central support column 6, filling particles 7, a waterproof layer 8, a fireproof layer 9, a fluorescent layer 10 and a cable core 11, wherein the wear-resistant layer 2 is arranged on the outer end face of the PVC outer protective shell 1, the glass fibers 3 are pasted in the PVC outer protective shell 1, the non-woven fabrics 4 are arranged in the glass fibers 3, the pressure-resistant layer 4 is arranged on the inner side of the non-woven fabrics 4, the central support column 6 is arranged in the middle of the inner portion of the pressure-resistant layer 4, the cable core 11 is arranged on the rear side of the central support column 6, the fluorescent layer 10 is arranged on the outer end face of the fluorescent layer 10, the fireproof layer 9 is arranged on the outer end face of the fireproof layer 9, the waterproof, and the double cores are not easy to distinguish when the device is maintained at night.
The cable core 11 is provided with two sets ofly, and two sets of cable cores 11 specifications are the same, and this design is convenient for utilize two sets of cable cores 11 to realize more transmission tasks and the interference killing feature is stronger, and two sets of cable cores 11 outsides all are provided with fluorescent layer 10, flame retardant coating 9 and waterproof layer 8, and two sets of cable cores 11 symmetry sets up both sides around PVC outer protective housing 1 is inside, and this design is convenient for provide multiple protection to cable core 11, distinguishes two sets of cable cores 11 when being convenient for maintain night simultaneously.
The inside multiunit triangle-shaped supporting shoe that is provided with of anti-pressure layer 4, and multiunit supporting shoe specification is the same, and this design is convenient for promote the intensity of cable core 11, prevents that the extrusion is impaired, and the multiunit has been seted up to wearing layer 2, and multiunit wearing layer 2 evenly sets up at the outer terminal surface of PVC outer protective housing 1, and this design is convenient for increase the wearability of PVC outer protective housing 1, prevents that PVC outer protective housing 1 from leading to cable core 11 to damage because of the friction damage.
As an embodiment of the present invention: two sets of cores 11 are symmetrically installed inside PVC outer protective housing 1, realized can regard as light transmission medium, can promote transmission signal again, fluorescent layer 10 is attached to when being favorable to night maintenance at 11 outer terminal surface of core, two sets of cores 11 of accurately distinguishing fast, flame retardant coating 9 and waterproof layer 8 are favorable to promoting fire resistance and wading ability, protection core 11 safety, central support column 6 can effectively support PVC outer protective housing 1, can cut apart two sets of cores 11 simultaneously again, packing granule 7 has reduced the damage of external impact to core 11, resistance to compression layer 4 guarantees that core 11 can respond to the pressure of high strength when installing in the subaerial layer, non-woven fabrics 4 and glass fiber 3 can both promote the resistance to stretching, PVC outer protective housing 1 can effectual protection core 11, the resistance to wear of PVC outer 1 has been guaranteed to protective housing 2.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. The utility model provides a distinguishable twin-core optical cable night, includes PVC outer protective housing, wearing layer, glass fiber, non-woven fabrics, compressive layer, central support column, packing granule, waterproof layer, flame retardant coating, fluorescent layer and cable heart, the outer terminal surface of PVC outer protective housing is provided with the wearing layer, the inside glass fiber that pastes of PVC outer protective housing, the inside non-woven fabrics that is provided with of glass fiber, the non-woven fabrics inboard is provided with the compressive layer, compressive layer internal neutral position is provided with central support column, central support column rear side is provided with the cable heart, the outer terminal surface of cable heart is provided with the fluorescent layer, the outer terminal surface of fluorescent layer is provided with the flame retardant coating, the outer terminal surface of flame retardant coating is provided with the waterproof layer, the.
2. The dual-core optical cable recognizable at night according to claim 1, wherein: the cable cores are provided with two groups, and the specifications of the two groups of cable cores are the same.
3. The night recognizable two-core optical cable of claim 2, wherein: fluorescent layers, fireproof layers and waterproof layers are arranged on the outer sides of the two groups of cable cores, and the two groups of cable cores are symmetrically arranged on the front side and the rear side inside the PVC outer protective shell.
4. The dual-core optical cable recognizable at night according to claim 1, wherein: and a plurality of groups of triangular supporting blocks are arranged in the pressure resistant layer, and the specifications of the plurality of groups of supporting blocks are the same.
5. The dual-core optical cable recognizable at night according to claim 1, wherein: the wearing layer has been seted up the multiunit, and the outer terminal surface of PVC outer protective housing is evenly seted up to multiunit wearing layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022733608.9U CN213423554U (en) | 2020-11-23 | 2020-11-23 | Double-core optical cable capable of being recognized at night |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022733608.9U CN213423554U (en) | 2020-11-23 | 2020-11-23 | Double-core optical cable capable of being recognized at night |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213423554U true CN213423554U (en) | 2021-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022733608.9U Active CN213423554U (en) | 2020-11-23 | 2020-11-23 | Double-core optical cable capable of being recognized at night |
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| Country | Link |
|---|---|
| CN (1) | CN213423554U (en) |
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- 2020-11-23 CN CN202022733608.9U patent/CN213423554U/en active Active
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