CN209117927U - A kind of light-duty aerial optical cable - Google Patents
A kind of light-duty aerial optical cable Download PDFInfo
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- CN209117927U CN209117927U CN201821965325.3U CN201821965325U CN209117927U CN 209117927 U CN209117927 U CN 209117927U CN 201821965325 U CN201821965325 U CN 201821965325U CN 209117927 U CN209117927 U CN 209117927U
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Abstract
The utility model discloses a kind of light-duty aerial optical cables, including cable core and the outer jacket being coated on outside cable core, it is characterized in that, the cable core includes twisted unit and the fills unit for being filled in twisted unit interstices, the twisted unit is twisted by least one non-metal reinforcement member and Loose tube " SZ ", several optical fiber are provided in the Loose tube, the outer jacket is the non-solid layer of polyethylene foam processing, it is embedded with more glass fiber yarns in the outer jacket, is bonded as one setting after the glass fiber yarn and outer jacket co-extrusion.It is small, light-weight, structurally reasonable that the utility model provides a kind of diameter, and at the same time having good anti-bite, tensile property light-duty aerial optical cable.
Description
Technical field
The utility model relates to fiber optic cable manufacture fields, and in particular to a kind of light-duty aerial optical cable.
Background technique
With the sustained and rapid development of internet, along with being pushed further into for light entering and copper back, the development of 4G network makes light
Cable industry is also grown rapidly therewith, and the demand of optical cable is in rising trend.Aerial optical cable system of laying can use original frame
Empty open-wire line pole line saves construction cost, shortens the construction period.Aerial optical cable is hung on electric pole, it is desirable that adapts to various natures
Environment is generally used for long-distance second level or second level route below, is suitable for private network lightguide cable link or certain local Special zones.
Most of aerial optical cable in the prior art is twisted the layer-stranding cable of center reinforcemen, such optical cable using casing
Structure is since setting center reinforcemen leads to that diameter is big, weight weight, since this optical cable is aerial setting, so its heavier light of weight
Cable is since its arc sag angle of self gravitation effect is bigger, the prestige in long-time service vulnerable to natural calamities such as typhoon, ice slush, heavy rains
The side of body, therefore the high failure rate of aerial optical cable is in the optical fiber cable of direct-burried and duct type.
To solve the above-mentioned problems the Chinese patent of application number 201520583912.6 disclose a kind of light-duty all-dielectric from
Formula optical cable is held, the optical cable of the structure simplifies cable configuration, center reinforcemen is removed, by reinforcer as strand together with Loose tube
It closes unit to be twisted, such mode integrally reduces the outer diameter and weight of optical cable, but there are still following disadvantages:
1, the lay configuration of Unit three, the rounding property of cable core entirety is bad after being twisted, and can go out in the process of subsequent sheath
The problem of existing jacket thickness unevenness, and the rounding property of cable core entirety bad also can cause to damage to the Loose tube of inside.
2, using the outer jacket of conventional means, the weight of outer jacket also will increase the own wt of entire optical cable.
3, since reinforcer and Loose tube are stranded in setting, the drawing-resistant function that reinforcer plays is substantially reduced, and
The technological means for correspondingling increase tensile property is not taken, causes the whole tensile capacity of optical cable to decline, aerial optical cable is not achieved
Tension standard.
4, since this optical cable is aerial optical cable, the influence of the factors such as outdoor unfirmly closing, insect bite is not accounted for.
Therefore it needs one kind not only to can guarantee that diameter was small, light-weight, simple and reasonable for structure now, but also has good
Anti-bite, tension light-duty aerial optical cable.
Summary of the invention
It is small, light-weight, structurally reasonable that the technical problem to be solved by the present invention is to provide a kind of diameters, and at the same time tool
There is good anti-bite, tensile property light-duty aerial optical cable.
In order to solve the above-mentioned technical problem, the utility model provides a kind of light-duty aerial optical cable, including cable core and cladding
In the outer jacket outside cable core, the cable core includes the fills unit for being twisted unit and being filled in twisted unit interstices, described twisted
Unit is twisted by least one non-metal reinforcement member and Loose tube " SZ ", and several optical fiber, institute are provided in the Loose tube
The non-solid layer that outer jacket is polyethylene foam processing is stated, is embedded with more glass fiber yarns, the glass in the outer jacket
Setting is bonded as one after silvalin is twisted and after outer jacket co-extrusion.
It further comprise the twisted unit is two cellular constructions in one preferred embodiment of the utility model, including one
Root non-metal reinforcement member and one is twisted with Loose tube, has two fills units in the two sides gap filling of twisted unit.
It further comprise the twisted unit is three cellular constructions in one preferred embodiment of the utility model, including one
Root non-metal reinforcement member and two Loose tubes are twisted or two are twisted with non-metal reinforcement member and a Loose tube,
Three fills units are filled at the gap of twisted unit.
It further comprise the twisted unit is four cellular constructions in one preferred embodiment of the utility model, including one
Root non-metal reinforcement member and three Loose tubes be twisted or two be twisted with non-metal reinforcement member and two Loose tubes or
Three non-metal reinforcement members of person and a Loose tube are twisted, and are filled with four fills units at the gap of twisted unit.
It further comprise that the non-metal reinforcement member is fine for FRP bar or PBO in one preferred embodiment of the utility model
Tie up bar.
It further comprise the diameter and Loose tube of the non-metal reinforcement member in one preferred embodiment of the utility model
Diameter is identical.
In one preferred embodiment of the utility model, further comprise the twisted unit twisted intercept be 90-
130mm。
It further comprise being wound with bundle yarn outside the twisted unit in one preferred embodiment of the utility model, it is described
Yarn is pricked to be used to twisted unit bundling bunchy.
It further comprise the outer longitudinal wrap waterstop of the twisted unit in one preferred embodiment of the utility model.
In one preferred embodiment of the utility model, further comprise the fills unit using PP, PC, PBT, PVC or
PE material is made.
The utility model has the beneficial effects that
One, cable core are formed by reinforcer and Loose tube are twisted, and the cable core structure of reinforcer is surrounded with traditional Loose tube
It compares, reduces cable core directly and weight, thus the whole diameter and weight for reducing aerial optical cable, and in the seam of twisted unit
It is filled at gap with fills unit, ensure that the whole rounding type of cable core after lacking center reinforcemen, and filled out at gap
Fill the diameter that will not increase cable core.
Secondly, the restrictive coating of optical cable use polyethylene foamed material, mitigate the Unit Weight of optical cable, it is poly- compared to traditional
For solid restrictive coating made of vinyl material, polyethylene foamed is non-solid layer, further mitigates the weight of optical cable outer jacket
Amount, to reduce the weight of entire optical cable.
Thirdly, cable jacket layer be embedded in more glass fiber yarns, glass fiber yarn own wt is light, tensile property
It is good, and by the protective cover material co-extrusion of glass fiber yarn and outer jacket, it ensure that glass fiber yarn is bonded as one with outer jacket, this
Sample increases the tensile capacity of optical cable, and glass fiber yarn is made of tiny glass fibre, can be to birds when birds, which peck, to be stung
Mouth damage, birds will stop stinging pecking, compare and in the prior art by glass fibre be arranged in outer jacket, by glass
The protective cover material co-extrusion of glass silvalin and outer jacket is advantageous in that, setting is after birds can will all wear outer jacket in outer jacket
Internal glass fiber yarn can be just bitten, glass fiber yarn is embedded in the centre of outer jacket in the present invention, when birds are not complete
When outer jacket is gnawed through, it will be able to bite glass fiber yarn, will stop pecking stinging, entire outer jacket will not be gnawed through.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model embodiment 1；
Fig. 2 is the structural schematic diagram of the utility model embodiment 2
Fig. 3 is the structural schematic diagram of the utility model embodiment 3.
Figure label explanation: 1, optical fiber；2, Loose tube；3, non-metal reinforcement member；4, fills unit；5, waterstop；6, glass
Glass silvalin；7, outer jacket.
Specific embodiment
The utility model is described in further detail in the following with reference to the drawings and specific embodiments, so that those skilled in the art
The utility model may be better understood and can be practiced, but illustrated embodiment is not as the restriction to the utility model.
Embodiment 1
Shown in referring to Fig.1, the present embodiment is a kind of light-duty aerial optical cable, including cable core and the outer jacket being coated on outside cable core
7, the cable core includes twisted unit and the fills unit 4 for being filled in twisted unit interstices, and the twisted unit is two unit knots
Structure, including a non-metal reinforcement member 3 and one are twisted with Loose tube 2, have two in the two sides gap filling of twisted unit
Fills unit 4 is provided with several optical fiber 1 in the Loose tube 2, and the outer jacket 7 is the non-solid layer of polyethylene foam processing,
Be embedded with more glass fiber yarns 6 in the outer jacket 7, after the glass fiber yarn 6 is twisted be bonded as after 7 co-extrusion of outer jacket
It is wholely set.
The specific implementation technique of the present embodiment 1 is as follows:
1, it colours process: multifiber 1 is subjected to coloring processing respectively, the laying tension of the optical fiber 1 is 60 grams, is used
Standard colour chart carries out coloring treatment to optical fiber 1.
2, plastic sleeve process: more colored optical fibers 1 pass through plastic sleeve process for its bale breaking in Loose tube 2, and the Loose tube 2 is
PBT Loose tube, the diameter of the Loose tube 2 are 2.0mm, filled with fine ointment in the Loose tube 2.
3, stranded cable process:
(1) it is twisted that the Loose tube 2 for using diameter to be 2.0mm for the non-metal reinforcement member 3 of 2.0mm and diameter carries out " SZ ".
(2) it is filled at the gap of twisted unit with the fills unit 4 of 1.0mm, makes entirely to be twisted unit and more justify
It is whole, entire twisted unit is bundled with bundle yarn after filling, guarantees that entirely twisted cellular construction is compact, prevents twisted single
It is first loose.
4, sheath process: uniformly stranded glass fibers yarn 6 and the simultaneously polyethylene after extruded plastic foam around twisted unit
As optical cable outer jacket 7, by the inside of the outer jacket 7 after the insertion foaming of glass fiber yarn 6, the extrusion molding using extrusion die with
Crowded pipe mold combines mode, so that gap is very small between outer jacket 7 and twisted unit, and structure is extremely compact, increases
The mechanical performance and block-water performance of optical cable, extrusion temperature are 150 DEG C~180 DEG C, 7 wall thickness of outer jacket (0.3 ± 0.2) mm.
Embodiment 2
Referring to shown in Fig. 2, the twisted unit is three cellular constructions, including a non-metal reinforcement member 3 and two pine sets
Pipe 2 is twisted, and another embodiment can also be twisted for two with non-metal reinforcement member 3 and a Loose tube 2, is being twisted
It closes and is filled with three fills units 4 at the gap of unit, concrete implementation technique is identical as the realization technique in embodiment 1.
Embodiment 3
Referring to shown in Fig. 3, the twisted unit is four cellular constructions, including a non-metal reinforcement member 3 and three pine sets
Pipe 2 is twisted, and can also have other two kinds of embodiments: two be twisted with non-metal reinforcement member 3 and two Loose tubes 2 or
Three non-metal reinforcement members 3 of person and a Loose tube 2 are twisted, and are filled with four fills units at the gap of twisted unit
4, concrete implementation technique is identical as the realization technique in embodiment 1.
Specifically, the non-metal reinforcement member 3 is FRP bar or pbo fiber bar.
Specifically, the diameter of the non-metal reinforcement member 3 is identical as the diameter of Loose tube 2, in actual production, to choose non-
The diameter of metal reinforcement 3 is identical as the diameter of Loose tube 2, just can guarantee that twisted cellular construction is stable in this way.
Specifically, the twisted intercept of the twisted unit is 90-130mm, the 65-75mm's relative to conventional twisted unit
Twisted intercept, the twisted intercept of the twisted unit of the utility model is greater than the twisted intercept of conventional twisted unit, because of this reality
Form twisted unit for non-metal reinforcement member 3 and Loose tube 2 are jointly twisted with novel, due to non-metal reinforcement member 3 be FRP bar or
Person's pbo fiber bar, belongs to hard material and is made, if twisted intercept it is too small will will lead to FRP bar or pbo fiber bar cause it is curved
Folding, so to increase twisted intercept suitably in actual production to guarantee that non-metal reinforcement member 3 is not bent.
Specifically, the outer longitudinal wrap waterstop 5 of the twisted unit, the waterstop 5, which both can guarantee, is further ensured that twisted list
The rounding property of member, and block-water effect can be played.
Specifically, the twisted unit is internally provided with water blocking yarn.
Specifically, the fills unit 4 is gasket for packing, and the gasket for packing is made of PP, PC, PBT, PVC or PE material.
Embodiment described above is only preferred embodiments for fully illustrating the utility model, the utility model
Protection scope it is without being limited thereto.Those skilled in the art made equivalent substitute or change on the basis of the utility model
It changes, both is within the protection scope of the present invention.The protection scope of the utility model is subject to claims.
Claims (10)
1. a kind of light-duty aerial optical cable, including cable core and the outer jacket being coated on outside cable core, which is characterized in that the cable core includes
Twisted unit and the fills unit for being filled in twisted unit interstices, the twisted unit is by least one non-metal reinforcement member and pine
Casing " SZ " is twisted, and several optical fiber are provided in the Loose tube, and the outer jacket is the non-reality of polyethylene foam processing
Central layer is embedded with more glass fiber yarns in the outer jacket, after the glass fiber yarn is twisted with bonded after outer jacket co-extrusion
It is integrated setting.
2. light-duty aerial optical cable as described in claim 1, which is characterized in that the twisted unit is two cellular constructions, including
A piece non-metal reinforcement member and one is twisted with Loose tube, has two fills units in the two sides gap filling of twisted unit.
3. light-duty aerial optical cable as described in claim 1, which is characterized in that the twisted unit is three cellular constructions, including
A piece non-metal reinforcement member and two Loose tubes are twisted or two are twisted with non-metal reinforcement member and a Loose tube,
Three fills units are filled at the gap of twisted unit.
4. light-duty aerial optical cable as described in claim 1, which is characterized in that the twisted unit is four cellular constructions, including
A piece non-metal reinforcement member and three Loose tubes are twisted or two are twisted with non-metal reinforcement member and two Loose tubes
Or three non-metal reinforcement members and a Loose tube are twisted, it is single filled with four fillings at the gap of twisted unit
Member.
5. light-duty aerial optical cable according to any one of claims 1-4, which is characterized in that the non-metal reinforcement member is FRP
Bar or pbo fiber bar.
6. light-duty aerial optical cable according to any one of claims 1-4, which is characterized in that the diameter of the non-metal reinforcement member
It is identical as the diameter of Loose tube.
7. light-duty aerial optical cable according to any one of claims 1-4, which is characterized in that the twisted intercept of the twisted unit
For 90-130mm.
8. light-duty aerial optical cable according to any one of claims 1-4, which is characterized in that be wound with bundle outside the twisted unit
Yarn, the bundle yarn are used to twisted unit bundling bunchy.
9. light-duty aerial optical cable according to any one of claims 1-4, which is characterized in that the outer longitudinal wrap of the twisted unit blocks water
Band.
10. light-duty aerial optical cable according to any one of claims 1-4, which is characterized in that the fills unit using PP,
PC, PBT, PVC or PE material are made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821965325.3U CN209117927U (en) | 2018-11-27 | 2018-11-27 | A kind of light-duty aerial optical cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821965325.3U CN209117927U (en) | 2018-11-27 | 2018-11-27 | A kind of light-duty aerial optical cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209117927U true CN209117927U (en) | 2019-07-16 |
Family
ID=67206663
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821965325.3U Active CN209117927U (en) | 2018-11-27 | 2018-11-27 | A kind of light-duty aerial optical cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209117927U (en) |
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2018
- 2018-11-27 CN CN201821965325.3U patent/CN209117927U/en active Active
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