CN209102961U - A kind of microbeam pipe optical cable - Google Patents
A kind of microbeam pipe optical cable Download PDFInfo
- Publication number
- CN209102961U CN209102961U CN201821652297.XU CN201821652297U CN209102961U CN 209102961 U CN209102961 U CN 209102961U CN 201821652297 U CN201821652297 U CN 201821652297U CN 209102961 U CN209102961 U CN 209102961U
- Authority
- CN
- China
- Prior art keywords
- microbeam pipe
- microbeam
- optical cable
- pipe
- cable core
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Light Guides In General And Applications Therefor (AREA)
Abstract
The utility model provides a kind of microbeam pipe optical cable, and including cable core and the oversheath being coated on outside cable core, wherein cable core includes several microbeam pipe light units, and microbeam pipe light unit includes microbeam pipe and several optical fiber for being coated in microbeam pipe.The utility model microbeam pipe optical cable replaces traditional Loose tube using the close clad optical fiber of microbeam pipe, largely reduces the use of fiber paste, more environmentally-friendly；Wherein microbeam pipe is made of thermoplastic polyester elastomeric material, and material softness is tearable, facilitates construction；Microbeam pipe bending property is superior simultaneously, casing bending is reduced when connector box mid-game is stayed and fine risk of breaking；In addition microbeam pipe use thermoplastic polyester elastomeric material shrinking percentage it is low, long-time service will not cause because of casing shrink optical fiber emerge and fiber paste overflow the problem of, the service life is longer.
Description
Technical field
The utility model relates to fiber optic communications technical fields, more particularly to a kind of microbeam Guan Guang for air-blown installation
Cable.
Background technique
As what global broadband network, next-generation mobile communications, the integration of three networks were built accelerates development, communication service is to optical cable
The requirement of product is higher and higher.Meanwhile the structure of optical cable is also increasingly dependent on the environment and hardware requirement used.
Completely the same micro- of the features such as requirement with the communications industry to optical cable is higher and higher, light and soft, very thin with optical fiber
Type optical cable is widely applied.This kind of micro optical cable uses air-blown installation technology, and construction method is made to more tend to automate, and works
Strength reduction.Meanwhile this new structural optical cable also has an important advantage: user can be according to development need by stages
Increased optical cable is blown into the main pipe of built route by dilatation, is laid optical cable by stages to realize, is put by stages.
PBT or PC Loose tube quality used in traditional optical cable is harder, and bending is easy to happen when connector box mid-game is stayed
And optical fiber is easily thus caused to fracture or decay increase；And due to the after-contraction of Loose tube material, it is used for a long time and is easy
The problems such as generation optical fiber is emerged, and is decayed exceeded, and fiber paste is excessive；In addition conventional PBT or PC Loose tube applies man-hour requirement profession knife
Tool cutting, construction efficiency are low.
Utility model content
The utility model is mainly solving the technical problems that provide a kind of soft microbeam pipe optical cable, when being bent not
When bending or disconnected fibre easily occurs, and constructing can unarmed stripping, improve construction efficiency.
In order to solve the above technical problems, a kind of technical solution provided by the utility model is: a kind of microbeam pipe optical cable is provided,
Including cable core and the oversheath being coated on outside cable core, wherein cable core includes several microbeam pipe light units, microbeam pipe light unit packet
Several optical fiber for including microbeam pipe and being coated in microbeam pipe.
Wherein, cable core further includes the enhancement layer on the inside of oversheath, and microbeam pipe light unit circumferentially depends on enhancement layer
Inside.
Wherein, cable core further includes the center reinforcemen among microbeam pipe light unit, and microbeam pipe light unit adds along center
The circumferential direction of strong part successively close-packed arrays.
Wherein, cable core further include several water blocking yarns between microbeam pipe light unit and center reinforcemen and be located at plus
Tear rope in strong layer.
Wherein, the microbeam pipe of microbeam pipe light unit is formed by thermoplastic polyester elastomeric material extrusion molding.
Wherein, center reinforcemen is metal strength members or non-metallic stiffener.
Wherein, center reinforcemen is made of fibre reinforced composites.
Wherein, oversheath is formed by vinyon extrusion molding.
The beneficial effects of the utility model are: being in contrast to the prior art, the utility model microbeam pipe optical cable is used
The close clad optical fiber of microbeam pipe replaces traditional Loose tube, largely reduces the use of fiber paste, more environmentally-friendly, microbeam pipe is by thermoplasticity
Polyester elastomer materials extrusion molding is formed, and material softness is tearable, facilitates construction；Microbeam pipe bending property is superior simultaneously, in connector
Box mid-game reduces casing bending and fine risk of breaking when staying；In addition the thermoplastic polyester elastomeric material that microbeam pipe uses is shunk
Rate is low, long-time service will not cause because of casing shrink optical fiber emerge and fiber paste overflow the problem of, the service life is longer.
Detailed description of the invention
Fig. 1 is the structure chart of the utility model microbeam pipe optical cable.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, to each illustrative reality provided by the utility model
The technical solution for applying example is clearly and completely described.In the absence of conflict, following each embodiments and its technical characteristic
It can be combined with each other.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
Referring to Fig. 1, being the structure chart of the utility model microbeam pipe optical cable.The utility model microbeam pipe optical cable is layer-twisted type
Optical cable, including cable core and the oversheath 1 for being coated on cable core, cable core includes the enhancement layer 2 for being located at 1 inside of oversheath, circumferentially depends on
Several microbeam pipe light units 3 inside enhancement layer 2, are located at the center reinforcemen 4 among these microbeam pipe light units 3
Several water blocking yarns 5 between microbeam pipe light unit 3 and center reinforcemen 4 and the tear rope 6 in enhancement layer 2.
Microbeam pipe light unit 3 includes microbeam pipe in the present embodiment and be coated in microbeam pipe several have coat
Silica communicates single mode optical fiber, these microbeam pipe light units 3 are successively twisted along 4 radial direction of center reinforcemen, each microbeam pipe
Circumferential direction successively close-packed arrays of the light unit 3 along center reinforcemen 4.
In the present embodiment, the microbeam pipe of the microbeam pipe light unit 3 is by thermoplastic polyester elastomeric material (English abbreviation
TPEE it) is made, TPEE is the block copolymer containing polyester hard section and polyester soft segment, wherein polyester soft segment and uncrystallized polyester
It forms amorphous phase polyester hard section partially crystallizable and forms crystalline domains, play physical crosslinking point.TPEE has the bullet of rubber
The intensity of property and engineering plastics；With rubber phase ratio, it has better processing performance and longer service life；With engineering material phase
Than, equally have the characteristics that intensity is high, and flexibility and dynamic mechanical are more preferable.In addition, having one between microbeam pipe and optical fiber
Fixed gap, and continuous factice for filling or solid-state material water-proof material, to achieve the effect that block water, factice for filling or material water-proof material can be with
It is compatible with other cable materials, and the transmission characteristic and service life of optical fiber are not damaged.
The center reinforcemen 4 can be metal strength members or non-metallic stiffener, such as fiber-reinforced composite material
Expect (Fiber Reinforced Plastic, abbreviation FRP), the center reinforcemen 4 has enough sections, tensile elasticity mould
Amount and elastic strain range, to enhance the tensile property of microbeam pipe optical cable.
The oversheath 1 is the layer of polyethylene extruded outside cable core or other thermoplastic materials, and polythene material is height
Density polyethylene protective cover material.1 thickness average value of oversheath is not less than 0.35mm, and minimum value is not less than 0.3mm.It is described outer
Sheath 1 is black, also can according to need and selects other colors.1 surface of oversheath is smooth seamless, equal nothing on any section
The visible bubble of eyesight, sand holes and crackle.
In present embodiment, the rectangle pipeline that the air-blowing path of microbeam pipe optical cable is 341 meters of perimeter, total length is 1,000
Rice.Air-blowing speed is more than or equal to 20m/min, and air-blowing length is more than or equal to 1km.
The utility model microbeam pipe optical cable replaces traditional Loose tube using the close clad optical fiber of microbeam pipe, largely reduces fibre
The use of cream, it is more environmentally-friendly.Wherein microbeam pipe is made of thermoplastic polyester elastomeric material, and material softness is tearable, conveniently applies
Work；Microbeam pipe bending property is superior simultaneously, casing bending is reduced when connector box mid-game is stayed and fine risk of breaking；In addition microbeam
The thermoplastic polyester elastomeric material shrinking percentage that pipe uses is low, and long-time service will not cause optical fiber to be emerged and fine because of casing shrink
The problem of cream overflows, the service life is longer.
The manufacturing method of the utility model microbeam pipe optical cable, by taking 72 core microbeam pipe optical cables as an example, steps are as follows:
Microbeam pipe light unit step: 12 optical fiber are released by pay off rack respectively, and optical fiber laying tension is adjusted to 0.5N-
0.8N simultaneously keeps constant optical fiber laying tension, a small amount of fiber paste is gathered together and coats before entering mold, into crowded tubular type
Mold carries out extrusion molding, and extrusion temperature control is adjusted to 1.4 ± 0.1mm between 130 DEG C~190 DEG C, while by microbeam pipe outside diameter,
Wall thickness is in 0.1~0.2mm；It carries out being cooled into microbeam pipe light unit through cold rinse bank.In present embodiment, microbeam pipe extrusion molding is used
Be thermoplastic polyester elastomeric material.
Cable core step: being attached to pay off rack for the center reinforcemen of 1.7mm nominal outside diameter, and adjusting laying tension is 15~20N,
It leads across water blocking yarn unwrapping wire pipe to head；The microbeam pipe light unit that 6 above-mentioned steps are formed is installed to pay off rack, adjusting is put
Line tension is 1~1.5N, is led across twisted mold to head；Two water blocking yarns are installed to bundling machine, yarn-binding tension is adjusted
0.8~1N；6 microbeam pipe light units are prolonged and are circumferentially arranged in order around center reinforcemen, twisted equipment is opened and prick yarn
Machine enables microbeam pipe light unit to be equably arranged in around center reinforcemen under the tying up of water blocking yarn, will prick yarn pitch
It is adjusted to 3~5cm, twisting pitch is adjusted to 5~10cm, forms cable core.In the present embodiment, center reinforcemen uses fiber
Enhancing composite material is made.
Oversheath step: being installed to pay off rack for aramid yarn, tear rope, and adjusting its tension is 1.5~2N, involves to machine
Head is stand-by；The cable core of above-mentioned steps formation is installed, adjusting laying tension is 5~10N, and cable core and aramid yarn, tear rope are worn
Extrusion molding is carried out after entering mold, extrusion temperature is controlled at 170~250 DEG C, cooled down after extrusion molding by 40 DEG C of warm water and cold rinse bank
Form oversheath.In the present embodiment, aramid yarn, which is wrapped on the outside of cable core, forms enhancement layer, and oversheath extruded material is using poly-
Vinyl material, the oversheath outer diameter of formation are 5.8 ± 0.2mm, and wall thickness is 0.5 ± 0.1mm.
The utility model microbeam pipe optical cable replaces traditional Loose tube using the close clad optical fiber of microbeam pipe, largely reduces fibre
The use of cream, it is more environmentally-friendly.And microbeam pipe is made of thermoplastic polyester elastomeric material, material softness is tearable, facilitates construction；
Microbeam pipe bending property is superior simultaneously, casing bending is reduced when connector box mid-game is stayed and fine risk of breaking；In addition microbeam pipe
The thermoplastic polyester elastomeric material shrinking percentage of use is low, and long-time service will not cause optical fiber to be emerged and fiber paste because of casing shrink
The problem of spilling, the service life is longer.
The foregoing is merely the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all
It is equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, directly or indirectly uses
In other related technical areas, it is also included in the patent protection scope of the utility model.
Claims (8)
1. a kind of microbeam pipe optical cable, which is characterized in that including cable core and the oversheath being coated on outside cable core, the cable core includes
Several microbeam pipe light units, the microbeam pipe light unit include microbeam pipe and several optical fiber for being coated in the microbeam pipe.
2. microbeam pipe optical cable as described in claim 1, which is characterized in that the cable core further includes being located on the inside of the oversheath
Enhancement layer, the microbeam pipe light unit circumferentially depends on the inside of the enhancement layer.
3. microbeam pipe optical cable as claimed in claim 2, which is characterized in that the cable core further includes being located at the microbeam Guan Guangdan
First intermediate center reinforcemen, circumferential direction successively close-packed arrays of the microbeam pipe light unit along center reinforcemen.
4. microbeam pipe optical cable as claimed in claim 3, which is characterized in that the cable core further includes being located at the microbeam Guan Guangdan
First several water blocking yarns between the center reinforcemen and the tear rope in the enhancement layer.
5. microbeam pipe optical cable as described in claim 1, which is characterized in that the microbeam pipe of the microbeam pipe light unit is by thermoplasticity
Polyester elastomer materials extrusion molding is formed.
6. microbeam pipe optical cable as claimed in claim 3, which is characterized in that the center reinforcemen be metal strength members or
Non-metallic stiffener.
7. microbeam pipe optical cable as claimed in claim 6, which is characterized in that the center reinforcemen uses fiber-reinforced composite material
Material is made.
8. microbeam pipe optical cable as described in claim 1, which is characterized in that the oversheath is formed by vinyon extrusion molding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821652297.XU CN209102961U (en) | 2018-10-12 | 2018-10-12 | A kind of microbeam pipe optical cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821652297.XU CN209102961U (en) | 2018-10-12 | 2018-10-12 | A kind of microbeam pipe optical cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209102961U true CN209102961U (en) | 2019-07-12 |
Family
ID=67154862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821652297.XU Active CN209102961U (en) | 2018-10-12 | 2018-10-12 | A kind of microbeam pipe optical cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209102961U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109116494A (en) * | 2018-10-12 | 2019-01-01 | 江苏中天科技股份有限公司 | A kind of microbeam pipe optical cable and its manufacturing method |
| CN116609906A (en) * | 2023-07-18 | 2023-08-18 | 江苏中天科技股份有限公司 | Unidirectional stranded microbeam optical cable and manufacturing process thereof |
-
2018
- 2018-10-12 CN CN201821652297.XU patent/CN209102961U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109116494A (en) * | 2018-10-12 | 2019-01-01 | 江苏中天科技股份有限公司 | A kind of microbeam pipe optical cable and its manufacturing method |
| CN116609906A (en) * | 2023-07-18 | 2023-08-18 | 江苏中天科技股份有限公司 | Unidirectional stranded microbeam optical cable and manufacturing process thereof |
| CN116609906B (en) * | 2023-07-18 | 2023-09-22 | 江苏中天科技股份有限公司 | Unidirectional stranded microbeam optical cable and manufacturing process thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109116494A (en) | A kind of microbeam pipe optical cable and its manufacturing method | |
| CN103345029B (en) | Nonmetal anti-freezing anti-squeezing lead-in optical cable and manufacturing method thereof | |
| CN101923198B (en) | Enhanced fiber unit and manufacturing method thereof | |
| CN107076944B (en) | Center loose tube formula optical fiber cable | |
| CN105467538B (en) | A kind of non-metallic optical fiber cables | |
| CN209102961U (en) | A kind of microbeam pipe optical cable | |
| CN108107528B (en) | Multi-core miniature bending-resistant rat-bite-resistant spiral armor optical cable and manufacturing method thereof | |
| CN104570251A (en) | All-dielectric large-core-number high-density micro pipeline wiring cable and manufacturing method thereof | |
| CN104062732B (en) | A kind of self-supporting cable being easily assembled to | |
| US7742668B2 (en) | Semi-tight optical fiber unit | |
| CN104062728A (en) | Micro-beam-tube easily-branched optical cable | |
| CN109298495A (en) | Large core number air-blowing micro-cable based on fiber bundle structure | |
| CN111596427A (en) | Air-blowing micro cable and preparation method thereof | |
| CN220730493U (en) | Butterfly-shaped optical cable with center reinforcement | |
| CN106443918A (en) | Center beam tube type optical cable, manufacturing method and fixing method of center beam tube type optical cable and plastic fixture | |
| CN209895043U (en) | Optical cable | |
| CN106646799A (en) | Aerial optical cable and manufacturing method thereof | |
| CN114879329B (en) | Optical fiber ribbon cable and method for manufacturing the same | |
| CN207249200U (en) | Microbeam cast butterfly-type optical cable | |
| CN207817266U (en) | A kind of layer-stranding cable having stronger compressive property | |
| CN212781424U (en) | Air-blowing micro cable suitable for narrow space arrangement | |
| CN209343001U (en) | A kind of super large core number microbeam pipe optical cable | |
| CN107561662A (en) | A kind of dual-purpose optical cable of branching shape indoor and outdoor and manufacture method | |
| CN103424832A (en) | Internally elliptical optical cable easy to branch | |
| CN210427883U (en) | Reinforced skeleton remote optical cable |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |