CN109541764A - Optical fiber and the optical cable for using the optical fiber - Google Patents
Optical fiber and the optical cable for using the optical fiber Download PDFInfo
- Publication number
- CN109541764A CN109541764A CN201710868310.9A CN201710868310A CN109541764A CN 109541764 A CN109541764 A CN 109541764A CN 201710868310 A CN201710868310 A CN 201710868310A CN 109541764 A CN109541764 A CN 109541764A
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- China
- Prior art keywords
- optical fiber
- periphery
- hose
- spiral armor
- armor hose
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/443—Protective covering
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Light Guides In General And Applications Therefor (AREA)
Abstract
The present invention relates to fibre optic transmission equipment fields, in particular to optical fiber and the optical cable using the optical fiber.Optical fiber includes bare fibre, and bare fibre periphery is equipped with jacket layer, and the bare fibre periphery is laid with tensile layer, and the jacket layer includes the spiral armor hose for being set in tensile layer periphery and the oversheath for being set in spiral armor hose periphery.Compared with current optical fiber, the tensile layer and spiral armor hose of optical fiber of the invention improve the resistance to compression and compressive property of optical fiber, solve the problems, such as that the current optical fiber of solution is low in tensile capacity after the assembly is completed.
Description
Technical field
The present invention relates to fibre optic transmission equipment fields, in particular to optical fiber and the optical cable using the optical fiber.
Background technique
General optical fiber is in multilayer coaxial clyinder structure, mainly includes fibre core, covering and coat, and fibre core and covering form
Bare fibre, coat include primary coating layer and secondary coat, and primary coating layer is to apply to protect naked fibre on its surface
On polyurethane etc..Loose tube fiber is to cover one layer of jacket layer again outside bare fibre, and structure is similar with tightly packaged fiber, but
It is that the bare fibre of loose tube fiber can be move freely in jacket layer.Bare fibre sleeve is tightly waled in tight tube fiber, Bu Neng
It wherein loosens, bare fibre and jacket layer are an overall structures.The nominal outer diameter of usual tight tube fiber and loose tube fiber be 0.9mm or
Person 0.6mm.The outer peripheral surface of tight tube fiber or loose tube fiber has the mating part that cooperates with connector receptacle, when use fixed light
In fine or loose tube fiber insertion connector receptacle.It is formed after single or more tight tube fiber or the additional outer jacket of loose tube fiber
Optical cable.
Tight tube fiber and loose tube fiber are the basic unit for constituting wire jumper, tail optical fiber and various inside cables, traditional light
Fine jacket layer cannot protect optical fiber in mechanical performance, and product is protected without resistance to compression and anti-bending structure, also without tension
Structural member, the resistance to compression of product, tensile property are very poor, and the resistance to compression of optical fiber can be improved by installing armor hose additional in bare fibre periphery
Ability, increasing tensile layer in armor hose periphery can be improved tensile capacity, but increase the outer diameter ruler of optical fiber after armor hose
Very little larger, when use, usually requires to peel off all jacket layers of armor hose periphery, results in optical fiber after the assembly is completed in this way
Its tensile capacity substantially reduces.
Summary of the invention
The object of the present invention is to provide a kind of optical fiber, asked with solving current optical fiber tensile capacity after the assembly is completed is low
Topic；In addition, the object of the invention is also to provide a kind of optical cables using above-mentioned optical fiber.
To achieve the above object, the technical solution of optical fiber of the invention are as follows: optical fiber includes bare fibre, and bare fibre periphery is equipped with
Jacket layer, the jacket layer include the bare fibre periphery tensile layer that is laid in, and further include the spiral armor hose for being set in tensile layer periphery
With the oversheath for being set in spiral armor hose periphery.
There is free gap between the spiral armor hose and tensile layer.
The spiral armor hose outside diameter is 0.9mm or the spiral armor hose outside diameter is 0.6mm and the outer shield
The outer diameter of set is 0.9mm.
The oversheath is the peelable sheath of spiral armor hose periphery of being laid in, the periphery of the spiral armor hose
Face has the hose mating surface after oversheath removing with connector receptacle cooperation.
The tensile layer is aramid fiber organization level or LCP material layer.
The technical solution of optical cable of the invention are as follows: optical cable includes optical fiber and the outer jacket that optical fiber periphery is arranged in, optical fiber packet
Include bare fibre, bare fibre periphery is equipped with jacket layer, and the jacket layer includes the bare fibre periphery tensile layer that is laid in, further include be set in it is anti-
It draws the spiral armor hose of layer periphery and is set in the oversheath of spiral armor hose periphery.
There is free gap between the spiral armor hose and tensile layer.
The spiral armor hose outside diameter is 0.9mm or the spiral armor hose outside diameter is 0.6mm and the outer shield
The outer diameter of set is 0.9mm.
The oversheath is the peelable sheath of spiral armor hose periphery of being laid in, the periphery of the spiral armor hose
Face has the hose mating surface after oversheath removing with connector receptacle cooperation.
The tensile layer is aramid fiber organization level or LCP material layer.
The invention has the benefit that the jacket layer of optical fiber includes that the spiral armor hose of bare fibre periphery is arranged in and is arranged
Oversheath in spiral armor hose periphery, the periphery of bare fibre are additionally provided with tensile layer, and the tensile layer is laid on bare fibre,
The tensile property for improving optical fiber is realized by tensile layer, and the compressive property of optical fiber, spiral are improved by spiral armor hose
Armor hose is set in the periphery of tensile layer, can wear to avoid bare fibre, while when removing oversheath and using to optical fiber
Tensile property does not have an impact.Compared with current optical fiber, the spiral armor hose of optical fiber of the invention is set in tensile layer
Periphery improves the resistance to compression and compressive property of optical fiber, while it is low in tensile capacity after the assembly is completed to solve current optical fiber
Problem.
Further, there is free gap, the generation of excess fiber length makes light between the spiral armor hose and tensile layer
By external force or external force can not be made to be reduced to the degree that can be born when fibre is by telescopic variation, guarantee optical fiber machinery,
Physical property.
Further, the outer diameter of the spiral armor hose is 0.9mm or 0.6mm, is 0.9mm spiral shell for using outer diameter
The optical fiber of armor hose is revolved, the outer diameter of optical fiber is greater than 0.9mm, and when standard jacks corresponding with the optical fiber of outer diameter 0.9mm assembly,
It is assembled together after the oversheath of optical fiber being peeled off with standard jacks；It and is that 0.6mm spiral armor is soft for using outer diameter
The optical fiber of pipe is compared, and the outer diameter of optical fiber is greater than 0.6mm, and when standard fiber jack corresponding with the optical fiber of outer diameter 0.6mm assembly,
Standard jacks corresponding with outer diameter 0.6mm optical fiber are assembled together after the oversheath of optical fiber being peeled off, make meeting optical fiber
While with range, the diameter of optical fiber is increased, reduces the manufacturing cost of optical fiber.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the specific embodiment of optical fiber of the invention；
Fig. 2 is the post-assembled state schematic diagram of the specific embodiment of optical fiber of the invention.
Specific embodiment
Embodiments of the present invention are described further with reference to the accompanying drawing.
The specific embodiment of optical fiber of the invention, as depicted in figs. 1 and 2, optical fiber include bare fibre 1 and jacket layer, jacket layer packet
The tensile layer 2 for 1 periphery of bare fibre that is laid in is included, tensile layer 2 is LCP material layer of the extrusion molding on 1 surface of bare fibre in the present embodiment.
Jacket layer further includes the spiral armor hose 3 for being set in 2 periphery of tensile layer and the oversheath for 3 outer surface of spiral armor hose that is laid in
4。
The outer diameter of spiral armor hose 3 is 0.9mm, and 1 outer diameter of bare fibre is standard value 0.25mm, and 4 outer diameter of oversheath is
1.2mm, the outer diameter of tensile layer 2 are 0.4mm.Optical fiber constitutes pine when having free gap between tensile layer 2 and spiral armor hose 3
Unjacketed optical fiber not by external force or is reduced to external force can to hold when the generation of excess fiber length allows optical fiber by telescopic variation
The degree received guarantees machinery, the physical property of optical fiber.In the present embodiment, oversheath 4 is non metallic sheath, plays protection insulation
Function.
Spiral armor hose 3 constitutes the armor of optical fiber, and in the present embodiment, spiral armor hose 3 is by metal tape or non-
Metal tape helically coiling forms, for promoting the anti-pressure ability of optical fiber.In other embodiments, spiral armor hose is also possible to gold
Belong to silk spiral to be coiled into.
1 periphery laying tensile layer 2 of bare fibre in the present embodiment, guarantees the tensile property of optical fiber.Due to current standard
Fibre external diameters are 0.9mm, and the optical fiber in the present embodiment causes the outer diameter of optical fiber to reach 1.2mm, nothing since tensile layer 2 is arranged
Method is directly installed in standard installation hole corresponding with the optical fiber of outer diameter 0.9mm, but the spiral armor of optical fiber of the invention is soft
The outer diameter of pipe 3 is 0.9mm, and oversheath 4 is the peripheral peelable sheath of spiral armor hose 3 that is laid in, and optical fiber can in assembly
To peel the oversheath 4 of optical fiber joint end off, the outer peripheral surface of spiral armor hose 3 have after the removing of oversheath 4 with connector receptacle
51 cooperation hose mating surfaces 31, be mounted on spiral armor hose 3 in standard installation hole, at the same do not influence optical fiber tension and
Compressive property guarantees that the normal connection of optical fiber uses.In the present embodiment, the hose mating surface on spiral armor hose 3 passes through glue
Viscous mode is fixed together with connector receptacle.
In other embodiments, spiral armor hose 3 can be 0.6mm, while the outer diameter of oversheath 4 can be 0.9mm, this
When optical fiber can be adapted for two kinds of standard installation holes corresponding with 0.6mm, 0.9mm optical fiber, when the standard installation hole of corresponding 0.9mm
Removing oversheath is not needed, directly oversheath is inserted into connector receptacle.
As shown in Fig. 2, connector 5 has connector receptacle 51.Optical fiber of the invention during installation, first by the oversheath of optical fiber
4 peel off after be inserted into connector receptacle 51 in, the fixation of spiral armor hose 3 Yu connector 5 is kept after insertion by way of gluing, is made
Bare fibre 1 is aligned with the switching optical fiber 6 in connector 5, completes assembly.
The specific embodiment of optical cable of the invention, optical cable include optical fiber and the outer jacket that optical fiber periphery is arranged in, and optical fiber is set
There is one, optical cable is single fiber cable at this time, and in other embodiments, optical fiber is also possible to more, forms multicore after additional outer jacket
Optical cable, the optical fiber in the present embodiment is identical as structure described in the specific embodiment of above-mentioned optical fiber, repeats no more.
In other embodiments, above-mentioned oversheath can also be made of tensile materials, and optical fiber has double tensile layers at this time；On
Stating tensile layer also can be set between spiral armor hose and oversheath；Above-mentioned LCP material layer can be aramid fiber organization level etc.
Tensile layer made of other tensile materials；It can be not provided with free gap between above-mentioned spiral armor hose and tensile layer, and set
Set flexible material layer；As needed, the outer diameter of optical fiber can be any other off-standard size, at this time matched connector
The size of jack is also off-standard size.
Claims (10)
1. optical fiber, including bare fibre, bare fibre periphery is equipped with jacket layer, it is characterised in that: the jacket layer includes the bare fibre that is laid in
Peripheral tensile layer further includes the spiral armor hose for being set in tensile layer periphery and the outer shield for being set in spiral armor hose periphery
Set.
2. optical fiber according to claim 1, it is characterised in that: have activity between the spiral armor hose and tensile layer
Gap.
3. optical fiber according to claim 1 or 2, it is characterised in that: the spiral armor hose outside diameter is 0.9mm, or
The spiral armor hose outside diameter is 0.6mm and the outer diameter of the oversheath is 0.9mm.
4. optical fiber according to claim 1 or 2, it is characterised in that: the oversheath is to be laid in outside spiral armor hose
The peelable sheath enclosed, the outer peripheral surface of the spiral armor hose have the hose after oversheath removing with connector receptacle cooperation
Mating surface.
5. optical fiber according to claim 1 or 2, it is characterised in that: the tensile layer is aramid fiber organization level or LCP material
Layer.
6. optical cable, including optical fiber and the outer jacket that optical fiber periphery is arranged in, optical fiber includes bare fibre, and bare fibre periphery is equipped with set
Layer, it is characterised in that: the jacket layer includes the bare fibre periphery tensile layer that is laid in, and further includes the spiral for being set in tensile layer periphery
Armor hose and the oversheath for being set in spiral armor hose periphery.
7. optical cable according to claim 6, it is characterised in that: have activity between the spiral armor hose and tensile layer
Gap.
8. optical cable according to claim 6 or 7, it is characterised in that: the spiral armor hose outside diameter is 0.9mm, or
The spiral armor hose outside diameter is 0.6mm and the outer diameter of the oversheath is 0.9mm.
9. optical cable according to claim 6 or 7, it is characterised in that: the oversheath is to be laid in outside spiral armor hose
The peelable sheath enclosed, the outer peripheral surface of the spiral armor hose have the hose after oversheath removing with connector receptacle cooperation
Mating surface.
10. optical cable according to claim 6 or 7, it is characterised in that: the tensile layer is aramid fiber organization level or LCP material
The bed of material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710868310.9A CN109541764B (en) | 2017-09-22 | 2017-09-22 | Optical fiber and optical cable using the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710868310.9A CN109541764B (en) | 2017-09-22 | 2017-09-22 | Optical fiber and optical cable using the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109541764A true CN109541764A (en) | 2019-03-29 |
| CN109541764B CN109541764B (en) | 2021-03-23 |
Family
ID=65830671
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710868310.9A Active CN109541764B (en) | 2017-09-22 | 2017-09-22 | Optical fiber and optical cable using the same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109541764B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2227855A (en) * | 1989-02-06 | 1990-08-08 | Telephone Cables Ltd | Optical fibre cable |
| EP0382379A2 (en) * | 1989-02-06 | 1990-08-16 | Telephone Cables Limited | Optical fibre cable core for submarine use |
| CN2760585Y (en) * | 2004-12-20 | 2006-02-22 | 烽火通信科技股份有限公司 | Flexible metal tube optical cable |
-
2017
- 2017-09-22 CN CN201710868310.9A patent/CN109541764B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2227855A (en) * | 1989-02-06 | 1990-08-08 | Telephone Cables Ltd | Optical fibre cable |
| EP0382379A2 (en) * | 1989-02-06 | 1990-08-16 | Telephone Cables Limited | Optical fibre cable core for submarine use |
| CN2760585Y (en) * | 2004-12-20 | 2006-02-22 | 烽火通信科技股份有限公司 | Flexible metal tube optical cable |
Non-Patent Citations (2)
| Title |
|---|
| 中国铁路总公司: "《高速铁路通信技术》", 30 November 2013 * |
| 齐宝森: "《新型材料及其应用》", 30 September 2007 * |
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| Publication number | Publication date |
|---|---|
| CN109541764B (en) | 2021-03-23 |
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