CN220085126U - Novel layer stranded optical cable - Google Patents
Novel layer stranded optical cable Download PDFInfo
- Publication number
- CN220085126U CN220085126U CN202320608528.1U CN202320608528U CN220085126U CN 220085126 U CN220085126 U CN 220085126U CN 202320608528 U CN202320608528 U CN 202320608528U CN 220085126 U CN220085126 U CN 220085126U
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- China
- Prior art keywords
- optical cable
- protective
- layer
- polyethylene
- outer side
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- 230000003287 optical effect Effects 0.000 title claims abstract description 60
- 230000001681 protective effect Effects 0.000 claims abstract description 43
- 239000004698 Polyethylene Substances 0.000 claims abstract description 40
- -1 polyethylene Polymers 0.000 claims abstract description 40
- 229920000573 polyethylene Polymers 0.000 claims abstract description 40
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 32
- 239000010959 steel Substances 0.000 claims abstract description 32
- 239000013307 optical fiber Substances 0.000 claims abstract description 26
- 229910052751 metal Inorganic materials 0.000 claims abstract description 24
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 14
- 239000002674 ointment Substances 0.000 claims abstract description 12
- 229920003023 plastic Polymers 0.000 claims abstract description 12
- 239000004033 plastic Substances 0.000 claims abstract description 12
- 239000010410 layer Substances 0.000 claims description 28
- 239000011241 protective layer Substances 0.000 claims description 19
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 17
- 239000003063 flame retardant Substances 0.000 claims description 17
- 239000000835 fiber Substances 0.000 claims description 6
- 239000003365 glass fiber Substances 0.000 claims description 4
- 229920000098 polyolefin Polymers 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 6
- 238000005452 bending Methods 0.000 abstract description 4
- 238000004804 winding Methods 0.000 abstract description 4
- 230000002787 reinforcement Effects 0.000 description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000006011 Zinc phosphide Substances 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000009933 burial Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- HOKBIQDJCNTWST-UHFFFAOYSA-N phosphanylidenezinc;zinc Chemical compound [Zn].[Zn]=P.[Zn]=P HOKBIQDJCNTWST-UHFFFAOYSA-N 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229940048462 zinc phosphide Drugs 0.000 description 1
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- Ropes Or Cables (AREA)
Abstract
The utility model discloses a novel layer-stranded optical cable, which has the technical key points that: the waterproof plastic cable comprises a plurality of groups of optical fiber cores and protective sleeves sleeved on the optical fiber cores, wherein one sides of the protective sleeves are provided with metal center reinforcing members, the protective sleeves are all equidistantly stranded on the outer side surfaces of the metal center reinforcing members, the outer sides of the protective sleeves are provided with polyethylene inner jackets, and water-blocking ointment is filled among the polyethylene inner jackets, the protective sleeves and the metal center reinforcing members; the double-sided plastic coated steel belt is arranged on the outer side surface of the polyethylene inner sheath, so that the mechanical strength, compressive strength and toughness of the optical cable are improved, the damage to the optical fiber core is reduced in the stretching, winding, bending or extruding process of the optical cable, the wear resistance of the surface of the optical cable is improved, the wear resistance of the optical cable is reduced, the protective performance of the optical cable is improved, the weight of the optical cable is reduced, and the operation difficulty of laying is reduced.
Description
Technical Field
The utility model relates to the technical field of layer-twisted optical cables, in particular to a novel layer-twisted optical cable.
Background
The layer twisted optical cable is characterized by that the number of optical fibers contained in the optical cable is several (144 cores of separated optical fibers and 820 cores of optical fiber ribbon) and the metal or non-metal reinforcing member is positioned in the centre of optical cable, the loose tubes containing optical fibers are arranged around the reinforcing member, the excess length of optical fibers in the optical cable is easy to control, and its mechanical and environmental properties are good, and it is suitable for direct burial and pipeline laying, and also can be used for overhead laying.
In the prior art, the optical cable is usually laid in various modes such as overhead, underground or underwater, and is often stretched, wound, bent or extruded, rubbed, easily damaged and reduced in waterproof performance, and in order to improve the protective performance, the thickness of a plurality of jackets needs to be thickened, so that the weight of the layer-twisted optical cable is easily improved greatly, and the difficulty degree of laying is increased.
Disclosure of Invention
The utility model aims to provide a novel layer-twisted optical cable so as to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the novel layer-stranded optical cable comprises a plurality of groups of optical fiber cores and protective sleeves sleeved on the optical fiber cores, wherein one sides of the protective sleeves are provided with metal center reinforcing members, the protective sleeves are all equidistantly stranded on the outer side surfaces of the metal center reinforcing members, the outer sides of the protective sleeves are provided with polyethylene inner jackets, and water-blocking ointment is filled between the polyethylene inner jackets and the protective sleeves and between the protective sleeves and the metal center reinforcing members;
the outer surface of the polyethylene inner sheath is provided with a double-sided plastic-coated steel belt, and the outer surface of the double-sided plastic-coated steel belt is provided with an outer surface protective layer.
Preferably, the metal center reinforcement comprises a steel wire and a polyethylene protective layer, wherein the polyethylene protective layer is coated on the outer side surface of the steel wire, and a plurality of protective sleeves are all equidistantly stranded on the surface of the polyethylene protective layer.
Preferably, a fiber ointment is filled between the inner side of the protective sleeve and the fiber core.
Preferably, the protective sleeve is a polyolefin loose sleeve.
Preferably, the surface protection layer comprises a flame retardant layer and a polyethylene outer sheath, wherein the outer side of the flame retardant layer is arranged on the inner wall of the polyethylene outer sheath and is coated on the outer side surface of the double-sided plastic-coated steel belt.
Preferably, the flame retardant layer is a glass fiber flame retardant layer.
Preferably, the steel wire is a phosphatized steel wire.
Compared with the prior art, the utility model has the beneficial effects that:
first, in this novel layer hank optical cable, protective sleeve itself has good water resistance and higher intensity, can improve the barrier property to the optical fiber core, can improve the mechanical strength, compressive strength and toughness of optical cable through metal center reinforcement for the optical cable reduces the damage that the optical fiber core received in tensile, winding, crooked or extrusion process, and the polyethylene inner sheath has better compliance, elongation, impact strength, thereby improves the impact resistance of optical cable, and the oleamen that blocks water can improve the waterproof performance between polyethylene inner sheath and a plurality of protective sleeve and the metal center reinforcement;
second, in this novel layer hank formula optical cable, the double-sided plastic steel area that covers on the outside surface of polyethylene inner sheath improves the oxygen isolation nature, rigidity, intensity and the shock resistance of optical cable greatly, has reduced the damage that the optical cable laid the in-process and received, and the outward appearance inoxidizing coating improves the wear resistance on optical cable surface, has reduced the wearing and tearing of optical cable, has improved the barrier property of optical cable, has alleviateed the weight of optical cable, reduces the operation degree of difficulty of multiple laying modes such as aerial, underground or underwater, improves the convenience of use.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of a metal center reinforcement structure according to the present utility model;
FIG. 3 is a schematic view of the structure of the outer protective layer of the present utility model.
In the figure: 1. an optical fiber core; 2. a protective sleeve; 3. a metal center reinforcement; 31. a steel wire; 32. a polyethylene protective layer; 4. a polyethylene inner sheath; 5. water-blocking ointment; 6. double-sided plastic-coated steel strip; 7. an outer surface protective layer; 71. a flame retardant layer; 72. a polyethylene outer sheath; 8. fiber ointment.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, the present utility model provides a technical solution: the novel layer-stranded optical cable comprises a plurality of groups of optical fiber cores 1 and protective sleeves 2 sleeved on the optical fiber cores 1, wherein one sides of the protective sleeves 2 are provided with metal center reinforcements 3, the protective sleeves 2 are stranded on the outer side surfaces of the metal center reinforcements 3 at equal intervals, the outer sides of the protective sleeves 2 are provided with polyethylene inner jackets 4, water-blocking ointment 5 is filled between the polyethylene inner jackets 4 and the protective sleeves 2 and the metal center reinforcements 3, the protective sleeves 2 have good water resistance and high strength, the protective performance on the optical fiber cores 1 can be improved, the mechanical strength, the compressive strength and the toughness of the optical cable can be improved through the metal center reinforcements 3, the damage to the optical fiber cores 1 is reduced in the stretching, winding, bending or extruding process of the optical cable, the polyethylene inner jackets 4 have good flexibility, elongation and impact strength, the shock resistance of the optical cable is improved, and the water resistance between the polyethylene inner jackets 4 and the protective sleeves 2 and the metal center reinforcements 3 can be improved by the ointment 5;
the outer side surface of the polyethylene inner sheath 4 is provided with the double-sided plastic-covered steel belt 6, the outer side surface of the double-sided plastic-covered steel belt 6 is provided with the outer surface protective layer 7, the double-sided plastic-covered steel belt 6 on the outer side surface of the polyethylene inner sheath 4 greatly improves the oxygen isolation property, rigidity, strength and shock resistance of the optical cable, reduces the damage to the optical cable in the laying process, the outer surface protective layer 7 improves the wear resistance of the optical cable surface, reduces the wear of the optical cable, improves the protective performance of the optical cable, reduces the weight of the optical cable, reduces the operation difficulty of various laying modes such as overhead, underground or underwater, and the like, and improves the convenience of use.
In this embodiment, preferably, the metal center reinforcement 3 includes a steel wire 31 and a polyethylene protective layer 32, the polyethylene protective layer 32 is coated on the outer side surface of the steel wire 31, the plurality of protective sleeves 2 are stranded on the surface of the polyethylene protective layer 32 at equal intervals, the structural strength of the steel wire 31 is high, the protection of the surface of the steel wire 31 is improved by the polyethylene protective layer 32, and the abrasion to the protective sleeves 2 is reduced.
In this embodiment, preferably, a fiber ointment 8 is filled between the inner side of the protective sleeve 2 and the optical fiber core 1, and the fiber ointment 8 has the functions of preventing moisture from eroding the optical fiber and playing a role of lining the optical fiber, so that the optical fiber can be buffered from being influenced by mechanical forces such as vibration, impact, bending and the like.
In this embodiment, the protection sleeve 2 is preferably a polyolefin loose sleeve, and the polyolefin has small relative density, good chemical resistance and good water resistance; good mechanical strength and electrical insulation.
In this embodiment, preferably, the outer surface protection layer 7 includes a flame retardant layer 71 and a polyethylene outer sheath 72, the outer side of the flame retardant layer 71 is disposed on the inner wall of the polyethylene outer sheath 72 and is coated on the outer side surface of the double-sided plastic-covered steel belt 6, the flame retardant layer 71 can prevent the double-sided plastic-covered steel belt 6 from being burnt, the flame retardant effect of the inner structure of the twisted-pair optical cable is improved, and the protection and wear resistance of the surface of the twisted-pair optical cable are improved through the polyethylene outer sheath 72.
In this embodiment, the flame retardant layer 71 is preferably a glass fiber flame retardant layer, and the glass fiber flame retardant layer has strong heat resistance, good corrosion resistance, high mechanical strength, and is beneficial to improving the high temperature resistance and fireproof effect of the optical cable while improving the optical cable structure.
In this embodiment, the steel wire 31 is preferably a phosphatized steel wire, which is a steel wire product with a zinc phosphide layer plated on the surface, has good drawing and rust-preventing properties, and can improve the overall strength of the optical cable.
The utility model has the structural principle that: when the novel layer-stranded optical cable is used, the protective sleeve 2 has good water resistance and higher strength, the protective performance to the optical fiber core 1 can be improved, the metal center reinforcing member 3 can improve the mechanical strength, compression resistance and toughness of the optical cable, the damage to the optical fiber core 1 is reduced in the stretching, winding, bending or extruding process of the optical cable, the polyethylene inner sheath 4 has better flexibility, elongation and impact strength, the impact resistance of the optical cable is improved, the waterproof performance between the polyethylene inner sheath 4 and the protective sleeves 2 and between the metal center reinforcing member 3 can be improved by the waterproof ointment 5, the oxygen isolation performance, the rigidity, the strength and the impact resistance of the optical cable are greatly improved by the double-sided plastic steel covered belt 6, the damage appearance of the optical cable in the laying process is reduced, the wear resistance of the surface of the optical cable is improved by the protective layer 7, the wear of the optical cable is reduced, the protective performance of the optical cable is improved, the weight of the optical cable is lightened, the operation difficulty of various laying modes such as overhead, underground or underwater is reduced, and the convenience in use is improved.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a novel layer hank optical cable, includes multiunit optical fiber core (1) and suit in multiunit protective sleeve (2) of optical fiber core (1), its characterized in that: a metal center reinforcing piece (3) is arranged on one side of each of the protective sleeves (2), the protective sleeves (2) are evenly stranded on the outer side surface of the metal center reinforcing piece (3), a polyethylene inner jacket (4) is arranged on the outer side of each of the protective sleeves (2), water-blocking ointment (5) is filled between each of the polyethylene inner jackets (4) and the corresponding one of the protective sleeves (2) and the corresponding one of the metal center reinforcing pieces (3), each of the metal center reinforcing pieces (3) comprises a steel wire (31) and a polyethylene protective layer (32), the polyethylene protective layer (32) is coated on the outer side surface of the corresponding one of the steel wires (31), and the protective sleeves (2) are evenly stranded on the surface of the corresponding one of the polyethylene protective layers (32);
the novel plastic-coated steel strip is characterized in that a double-sided plastic-coated steel strip (6) is arranged on the outer side surface of the polyethylene inner sheath (4), an outer surface protective layer (7) is arranged on the outer side surface of the double-sided plastic-coated steel strip (6), the outer surface protective layer (7) comprises a flame retardant layer (71) and a polyethylene outer sheath (72), the outer side of the flame retardant layer (71) is arranged on the inner wall of the polyethylene outer sheath (72), and the outer side surface of the double-sided plastic-coated steel strip (6) is coated with the flame retardant layer.
2. The novel layer twisted optical cable according to claim 1, wherein: and a fiber ointment (8) is filled between the inner side of the protective sleeve (2) and the optical fiber core (1).
3. The novel layer twisted optical cable according to claim 1, wherein: the protective sleeve (2) is a polyolefin loose sleeve.
4. The novel layer twisted optical cable according to claim 1, wherein: the flame retardant layer (71) is a glass fiber flame retardant layer.
5. The novel layer twisted optical cable according to claim 1, wherein: the steel wire (31) is a phosphating steel wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320608528.1U CN220085126U (en) | 2023-03-25 | 2023-03-25 | Novel layer stranded optical cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320608528.1U CN220085126U (en) | 2023-03-25 | 2023-03-25 | Novel layer stranded optical cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220085126U true CN220085126U (en) | 2023-11-24 |
Family
ID=88815199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320608528.1U Active CN220085126U (en) | 2023-03-25 | 2023-03-25 | Novel layer stranded optical cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220085126U (en) |
-
2023
- 2023-03-25 CN CN202320608528.1U patent/CN220085126U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |