CN208818887U - Aerial optical cable - Google Patents
Aerial optical cable Download PDFInfo
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- CN208818887U CN208818887U CN201821730506.8U CN201821730506U CN208818887U CN 208818887 U CN208818887 U CN 208818887U CN 201821730506 U CN201821730506 U CN 201821730506U CN 208818887 U CN208818887 U CN 208818887U
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- optical cable
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- armor
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Abstract
The utility model relates to a kind of aerial optical cables comprising cable core, the sheath being coated on outside cable core, around the aramid fiber wrapping layer being wrapped in outside sheath, the middle sheath being coated on outside aramid fiber wrapping layer, the water blocking tape layer being wrapped in outside middle sheath, the armor being wrapped in outside water blocking tape layer and the outer jacket being coated on outside armor.Wherein, armor is made of flat-shaped FRP.The aerial optical cable can satisfy the erection intensity of middle large span using three layers of shielding layer structure；The armor of flat-shaped FRP is added simultaneously, forms the nonmetallic protective layer of sufficient intensity, can satisfy the anti-unfirmly closing of protection against rodents and anti-lightning strike requirement；In addition, above-mentioned aerial optical cable has many advantages, such as light-weight, all dielectric, is easily installed, construction maintenance relative to composite steel-plastic belt armor is used.
Description
Technical field
The utility model relates to optical cable technology fields, more particularly to a kind of aerial optical cable.
Background technique
Since fiber optic cable communications have many advantages, such as that speed is fast, transmission quality is good, fiber optic cable communications using more and more extensive, the mankind
Information transmitting also increasingly be unable to do without optical cable.
Currently, the common system of laying of optical cable mainly has the modes such as aerial, direct-burried, pipeline.Wherein, mode is maked somebody a mere figurehead to be applicable in more
In field Mountainous Regions, river region, forest land etc..The aerial optical cable laid using aerial mode is according to different laying environment needs
It is set up across long range shaft tower and (relates generally to 800m or more span), since it is mostly outdoor erection, be just birds,
Muroid provides good resting place, makes its object to bite, this not only will affect the normal operation of lightguide cable link, sternly
Communication disruption is even resulted in when weight, while also reducing the service life of optical cable.Traditionally, various biological to aerial in order to prevent
Fiber optic ribbon cable carrys out external force destruction, and one layer of certain thickness composite steel-plastic belt armouring is added mostly between the sheath of aerial optical cable, is protected with this
Shield cable core preserves from, and optical fiber is protected not to be damaged, and has the function that the anti-unfirmly closing of protection against rodents.
But the aerial optical cable of above structure heavier-weight itself；In addition, since aerial optical cable is laid in field more, it is wild
Outer more thunderstorm weathers, this aerial optical cable are easy the destruction by thunder and lightning.
Utility model content
Based on this, it is necessary to provide a kind of new aerial optical cable.
A kind of aerial optical cable, comprising:
Cable core；
Sheath is coated on outside the cable core；
Aramid fiber wrapping layer, around being wrapped in outside the sheath；
Middle sheath is coated on outside the aramid fiber wrapping layer；
Water blocking tape layer is wrapped in outside the middle sheath；
Armor is wrapped in outside the water blocking tape layer；The armor is made of flat-shaped FRP；
And outer jacket, it is coated on outside the armor.
Above-mentioned aerial optical cable can satisfy the erection intensity of middle large span using three layers of shielding layer structure；It is added simultaneously flat-shaped
The armor of FRP forms the nonmetallic protective layer of sufficient intensity, can satisfy the anti-unfirmly closing of protection against rodents and anti-lightning strike requirement；In addition,
Above-mentioned aerial optical cable, relative to using composite steel-plastic belt armor, lighter in weight.
Wherein, the thickness 0.8mm-1.2mm of the sheath.
Wherein, the middle sheath with a thickness of 0.6mm-1.0mm.
Wherein, the width 2.4mm-3.6mm of the flat-shaped FRP, with a thickness of 0.8mm-1.4mm.
Wherein, the aerial optical cable further includes the bundle yarn for tying up the flat-shaped FRP.
Wherein, the aramid fiber in the aramid fiber wrapping layer uses the forward and reverse winding of cage.
Wherein, repellent oxidant layer is coated with outside the flat-shaped FRP.
Wherein, contain repellant in the outer jacket.
Wherein, the color of the outer jacket is warning coloration.
Wherein, the cable core includes several mutually twisted Loose tubes；Optical fiber is equipped in the Loose tube.
Wherein, the first dry type water-blocking material is also filled in the Loose tube.
Wherein, the second dry type water-blocking material is filled in the cable core.
Detailed description of the invention
Fig. 1 is the schematic cross-section of the aerial optical cable of an embodiment of the utility model.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with specific embodiment party
Formula, the present invention will be further described in detail.It should be appreciated that the specific embodiments described herein are only used to solve
The utility model is released, is not used to limit the utility model.
Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model
The normally understood meaning of the technical staff in domain is identical.Terminology used in the description of the utility model herein only be
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term " and or " used herein packet
Include any and all combinations of one or more related listed items.
Referring to Fig. 1, the aerial optical cable of an embodiment of the utility model, including cable core, the interior shield being coated on outside cable core
Layer 10, around the aramid fiber wrapping layer 11 being wrapped in outside sheath 10, the middle sheath 12 being coated on outside aramid fiber wrapping layer 11, be wrapped in middle shield
Water blocking tape layer 4, the armor 3 being wrapped in outside water blocking tape layer 4 and the outer jacket 2 being coated on outside armor 3 outside layer 12.Its
In, armor is made of flat-shaped FRP.
Wherein, cable core is the core component of aerial optical cable.Specifically, cable core includes several mutually twisted Loose tubes 5；Pine
Optical fiber 7 is equipped in casing 5.Preferably, Loose tube 5 is PBT or PP Loose tube.
In order to fix optical fiber, the first dry type water-blocking material 6 is filled in Loose tube 5, the first dry type water-blocking material 6 can be dry type
Water blocking yarn or waterstop.
In order to further increase waterproof performance, the second dry type water-blocking material 8 is also filled in cable core.That is, inside
The second dry type water-blocking material 8 is filled between sheath 10 and Loose tube 5.Second dry type water-blocking material 8 can be water blocking yarn and high expansion
Waterstop etc..
It can guarantee that aerial cable core infiltration requires using dry type water-blocking material, while may make the own wt of aerial optical cable more
Gently, it is more suitable for outdoor aerial laying.
There are gasket for packing, Loose tube 5 and gasket for packing are twisted together.If in the case where without gasket for packing,
Loose tube 5 twists together, as shown in Figure 1.
In order to further increase the performance of aerial optical cable, in the present embodiment, the middle position of cable core is provided with FRP and adds
Strong part 9, that is to say, that Loose tube 5 or gasket for packing are centered around the periphery of FRP reinforcer 9.
Wherein, the material of sheath 10 can be selected from high density polyethylene (HDPE), medium density polyethylene, linear low density polyethylene
Deng；The thickness of sheath is preferably 0.8mm-1.2mm.
Wherein, the main function of aramid fiber wrapping layer 11 is that axial tensile strength is provided for aerial optical cable.In this embodiment party
In formula, the aramid fiber in aramid fiber wrapping layer 11 uses the forward and reverse winding of cage.
Aramid fiber is a kind of artificial synthetic fiber, has superhigh intensity, high-modulus and high temperature resistant, acid-fast alkali-proof, weight
Light to wait excellent performances, intensity is 5~6 times of steel wire, and modulus is 2~3 times of steel wire or glass fibre, and toughness is the 2 of steel wire
Times, and weight is only 1/5 of steel wire or so；560 degree at a temperature of, do not decompose, do not melt.Aramid fiber has good exhausted
Edge and anti-aging property have very long life cycle；So can effectively improve the performance of aerial optical cable.
Aramid fiber its by the arrangement of strand different be divided into meta-aramid fibers and para-aramid fiber again.It is further excellent
Selection of land, aramid fiber use para-aramid fiber.It can be further improved the performance of aerial optical cable in this way.
In a preferred embodiment, aramid fiber uses waterproofing type aramid fiber, can be further improved block-water performance in this way.?
In one specific embodiment, at least it is wrapped around using two or more cage is forward and reverse in outside sheath 10.Aramid fiber uses
The wrapped control of winding machine linkage, lay of lapping control 400~800mm.
Wherein, the material of middle sheath 12 can be selected from high density polyethylene (HDPE), medium density polyethylene, linear low density polyethylene
Deng.Middle sheath 12 with a thickness of 0.6mm-1.0mm.
Wherein, water blocking tape layer 4 is wrapped in outside middle sheath 12.Waterstop in water blocking tape layer 4 can be blocked water using high expansion
Band.
Wherein, armor 3 is wrapped in outside water blocking tape layer 4, and armor is by the wrapped formation of flat-shaped FRP.
Using flat FRP, when animal bites, the glass fibre of FRP is pierced, and can stab the oral cavity for the animal that bites, thus
Prevent animal from further biting aerial optical cable, to effectively protect aerial optical cable.
Flat FRP has the superior functions such as light weight, modulus height, so as to advantageously reduce aerial optical cable weight,
Improve the modulus of aerial optical cable.Flat FRP has certain tensile strength, to be also beneficial to improve the draftability of aerial optical cable
Energy.
Preferably, the width 2.4mm-3.6mm of flat-shaped FRP, with a thickness of 0.8mm-1.4mm.
In a preferred embodiment, aerial optical cable further includes the bundle yarn for tying up flat-shaped FRP.Pricking yarn in this way can also part
Sponge the steering force of the wrapped generation of flat-shaped FRP.In one embodiment, high-intensitive using one or more outside armor 3
It blocks water and pricks yarn and tied up.
Wherein, outer jacket 2 is the outermost layer of aerial optical cable.Outer jacket 2 is generally formed by extrusion molding.The material of outer jacket 2
Selected from high density polyethylene (HDPE), medium density polyethylene, linear low density polyethylene, resistance to electric trace polyolefin etc..
In order to further increase the protective capacities of aerial optical cable, in one embodiment, drive is coated with outside flat-shaped FRP
Keep away oxidant layer.Repellant can be with pungent element etc..In this way when animal is close to aerial optical cable or bite aerial optical cable when, repellent
The smell or taste that agent releases, another animal do not feel good, thus far from aerial optical cable, and then prevent animal from biting aerial optical
Cable, so the protective capacities of aerial optical cable can be further enhanced.
In another embodiment, a certain proportion of repellant is added in the material of outer jacket 2.Similarly, repellent
Agent can choose pungent element etc..In this way when animal is close to aerial optical cable or bite aerial optical cable when, gas that repellant releases
Taste or taste, another animal do not feel good, thus far from aerial optical cable, and then prevent animal from biting aerial optical cable, so can be into
The protective capacities of one step enhancing aerial optical cable.
In still another embodiment, the color of outer jacket is warning coloration.Warning coloration includes red, orange etc..When outer shield
Set take on a red color, be orange etc. warning coloration when, so that the birds such as woodpecker is seen that aerial optical cable has the psychology of fear, thus far from aerial optical
Cable, and then prevent birds from biting aerial optical cable, so the protective capacities of aerial optical cable can be further enhanced.
Above-mentioned three kinds of modes, those skilled in the art can difference according to the actual situation, selection is using a kind of or any
Two kinds of combinations or three kinds of modes are all made of.
In one embodiment, the tear rope of one polyester or other materials is set under outer jacket 2, in this way convenient for outer
The stripping of sheath.It is, of course, understood that tear rope can also be not provided with.
Above-mentioned aerial optical cable can satisfy the erection intensity of middle large span using three layers of shielding layer structure；It is added simultaneously flat-shaped
The armor of FRP forms the nonmetallic protective layer of sufficient intensity, can satisfy the anti-unfirmly closing of protection against rodents and anti-lightning strike requirement；In addition,
Above-mentioned aerial optical cable, relative to using composite steel-plastic belt armor, lighter in weight.
Above-mentioned aerial optical cable has many advantages, such as to be easily installed, construction maintenance.Both aerial optical cable mechanical performance and ring had been met
Border performance, and improve aerial optical cable operability and application range.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (10)
1. a kind of aerial optical cable characterized by comprising
Cable core；
Sheath is coated on outside the cable core；
Aramid fiber wrapping layer, around being wrapped in outside the sheath；
Middle sheath is coated on outside the aramid fiber wrapping layer；
Water blocking tape layer is wrapped in outside the middle sheath；
Armor is wrapped in outside the water blocking tape layer；The armor is made of flat-shaped FRP；
And outer jacket, it is coated on outside the armor.
2. aerial optical cable according to claim 1, which is characterized in that the thickness 0.8mm-1.2mm of the sheath.
3. aerial optical cable according to claim 1, which is characterized in that the middle sheath with a thickness of 0.6mm-1.0mm.
4. aerial optical cable according to claim 1, which is characterized in that the width 2.4mm-3.6mm of the flat-shaped FRP；It is thick
Degree is 0.8mm-1.4mm.
5. aerial optical cable according to claim 1, which is characterized in that the aerial optical cable further includes described flat for tying up
The bundle yarn of shape FRP.
6. aerial optical cable according to claim 1, which is characterized in that the aramid fiber in the aramid fiber wrapping layer is using strand
The forward and reverse winding of cage.
7. aerial optical cable according to claim 1, which is characterized in that be coated with repellent oxidant layer outside the flat-shaped FRP.
8. aerial optical cable according to claim 1, which is characterized in that the cable core includes several mutually twisted pine sets
Pipe；Optical fiber is equipped in the Loose tube.
9. aerial optical cable according to claim 8, which is characterized in that be also filled with the first dry type in the Loose tube and block water
Object.
10. aerial optical cable according to claim 1, which is characterized in that be filled with the second dry type water-blocking material in the cable core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821730506.8U CN208818887U (en) | 2018-10-24 | 2018-10-24 | Aerial optical cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821730506.8U CN208818887U (en) | 2018-10-24 | 2018-10-24 | Aerial optical cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208818887U true CN208818887U (en) | 2019-05-03 |
Family
ID=66280188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821730506.8U Active CN208818887U (en) | 2018-10-24 | 2018-10-24 | Aerial optical cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208818887U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109116497A (en) * | 2018-10-24 | 2019-01-01 | 江苏亨通光电股份有限公司 | Aerial optical cable |
| WO2022100591A1 (en) * | 2020-11-11 | 2022-05-19 | 江苏亨通光电股份有限公司 | Non-metallic armored three-sheath self-supporting rodent-proof optical cable and manufacturing process |
-
2018
- 2018-10-24 CN CN201821730506.8U patent/CN208818887U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109116497A (en) * | 2018-10-24 | 2019-01-01 | 江苏亨通光电股份有限公司 | Aerial optical cable |
| WO2020082918A1 (en) * | 2018-10-24 | 2020-04-30 | 江苏亨通光电股份有限公司 | Aerial optical cable |
| WO2022100591A1 (en) * | 2020-11-11 | 2022-05-19 | 江苏亨通光电股份有限公司 | Non-metallic armored three-sheath self-supporting rodent-proof optical cable and manufacturing process |
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