CN108802943A - A kind of optical cable applied to seabed - Google Patents
A kind of optical cable applied to seabed Download PDFInfo
- Publication number
- CN108802943A CN108802943A CN201810832822.4A CN201810832822A CN108802943A CN 108802943 A CN108802943 A CN 108802943A CN 201810832822 A CN201810832822 A CN 201810832822A CN 108802943 A CN108802943 A CN 108802943A
- Authority
- CN
- China
- Prior art keywords
- harness
- optical cable
- cavity
- outside
- inner sheath
- 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.)
- Withdrawn
Links
Classifications
-
- 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
- G02B6/4415—Cables for special applications
- G02B6/4427—Pressure resistant cables, e.g. undersea cables
-
- 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
-
- 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
- G02B6/4432—Protective covering with fibre reinforcements
-
- 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
- G02B6/44384—Means specially adapted for strengthening or protecting the cables the means comprising water blocking or hydrophobic materials
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Insulated Conductors (AREA)
Abstract
The invention discloses a kind of optical cables applied to seabed, including optical cable ontology, toughness intervallum, first harness, second harness and third harness, the center position of the optical cable body interior is equipped with inner sheath, the inside of inner sheath is fixed with the toughness intervallum being arranged along optical cable body length direction, and the first cavity is respectively equipped with inside the inner sheath on the outside of toughness intervallum, second cavity and third cavity, first cavity, the inside of second cavity and third cavity is respectively equipped with the first harness, second harness and third harness, it is uniformly fixed with convex ribs on the lateral wall of the inner sheath, optical cable body interior on the outside of inner sheath is equipped with damp-proof layer, and all it is fixed with elastic strip on the damp-proof layer between two neighboring convex ribs, high-density polyethylene outer sheath is enclosed on the outside of damp-proof layer.Convex ribs are uniformly fixed on the lateral wall of inner sheath of the present invention, can effectively reinforce the structural strength and compression strength of optical cable ontology.
Description
Technical field
The present invention relates to optical cable technology fields, specially a kind of optical cable applied to seabed.
Background technology
Working environment of the submarine optical fiber cable in ocean is extremely complex, it is desirable that has higher water-resistance, the knot of submarine optical fiber cable
Structure divides cable core and armoured two large divisions, and armoured part difference is little, and key is the structure of cable core.
Existing cable core of seabed optical cable, typically extrudes insulating sheath outside fiber unit, then braided wires are armoured.
The shortcoming of this optical cable is that lateral pressure resistant ability is limited, huge hydraulic pressure is cannot withstand in hundreds of thousands of meters of seabeds and by
Compressive deformation, or even disconnected fine and communication disruption.
Invention content
The purpose of the present invention is to provide a kind of optical cables applied to seabed, to solve mentioned above in the background art ask
Topic.
To achieve the above object, the present invention provides the following technical solutions：A kind of optical cable applied to seabed, including optical cable sheet
Body, toughness intervallum, the first harness, the second harness and third harness, the center position of the optical cable body interior is equipped with interior
Sheath, the inside of inner sheath are fixed with the toughness intervallum being arranged along optical cable body length direction, and on the outside of toughness intervallum
The first cavity, the second cavity and third cavity, first cavity, the second cavity and third cavity are respectively equipped with inside inner sheath
Inside be respectively equipped with the first harness, the second harness and third harness, and on the outside of the first harness, the second harness and third harness
First cavity, the second cavity and third inside cavity are all uniformly provided with fluororesin filled layer, first harness, the second harness and
The inner homogeneous of third harness is equipped with core, and the outside of core is all enclosed with insulation sleeve, and the first harness on the outside of insulation sleeve, the
It is all uniformly provided with Halogen filled layer inside two harness and third harness, convex ribs are uniformly fixed on the lateral wall of the inner sheath,
Optical cable body interior on the outside of inner sheath is equipped with damp-proof layer, and all fixed flexible on the damp-proof layer between two neighboring convex ribs
Item is enclosed with high-density polyethylene outer sheath on the outside of damp-proof layer.
Preferably, rubber centerbody is all equipped with inside the first harness between the core, the second harness and third harness,
Arc-shaped slot is all equipped on the lateral wall of rubber centerbody, and arc-shaped slot is mutually matched with insulation sleeve.
Preferably, the outside of first harness, the second harness and third harness is all enclosed with wire harness sheath, and First Line
The diameter of beam, the second harness and third harness is equal.
Preferably, the convex ribs are uniformly fixed on the outer wall of inner sheath in the shape of a spiral, and the section of convex ribs is semicircular structure,
And the radius of convex ribs is equal with the diameter in elastic strip section.
Preferably, 1.5 times of the thickness inner sheath thickness of the high-density polyethylene outer sheath, and moisture-proof layer thickness is height
0.5 times of density polyethylene oversheath thickness.
Compared with prior art, the beneficial effects of the invention are as follows：This is applied to the optical cable in seabed, by inner sheath
Portion is uniformly arranged the first cavity, the second cavity and third cavity by toughness intervallum, and in the first cavity, the second cavity and
The inside of three cavitys is respectively equipped with the first harness, the second harness and third harness, coordinates and is uniformly fixed on the lateral wall of inner sheath
There are convex ribs, can effectively reinforce the structural strength and compression strength of optical cable ontology, while will not significantly increase optical cable sheet
The diameter of body is equipped with damp-proof layer, and the damp-proof layer between two neighboring convex ribs by the optical cable body interior on the outside of inner sheath
On be all fixed with elastic strip so that after the compression of optical cable ontology have good self-recovering function, significantly improve optical cable ontology
Reliability of operation, can bear powerful deep sea hydraulic and indeformable not broken, it is ensured that the reliability service of optical cable ontology, the present invention
By being enclosed with high-density polyethylene outer sheath on the outside of damp-proof layer so that high-density polyethylene outer sheath is formed with damp-proof layer
One complete compound entirety has high intensity, waterproof, corrosion-resistant, extends the service life of optical cable.
Description of the drawings
Fig. 1 is the cross section structure schematic diagram of the present invention；
Fig. 2 is the strand cross-sectional structural schematic diagram of the present invention；
Fig. 3 is the rubber centerbody cross-section structural schematic diagram of the present invention.
In figure：1, the first harness；2, the first cavity；3, toughness intervallum；4, inner sheath；5, the second harness；6, the second chamber
Body；7, third cavity；8, third harness；9, high-density polyethylene outer sheath；10, damp-proof layer；11, elastic strip；12, convex ribs；13,
Optical cable ontology；14, rubber centerbody；15, insulation sleeve；16, wire harness sheath；17, Halogen filled layer；18, core；19, arc card
Slot；20, fluororesin filled layer.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
- 3 are please referred to Fig.1, a kind of embodiment provided by the invention：A kind of optical cable applied to seabed, including optical cable ontology
13, toughness intervallum 3, the first harness 1, the second harness 5 and third harness 8, the center position inside optical cable ontology 13 are equipped with
Inner sheath 4, the inside of inner sheath 4 are fixed with the toughness intervallum 3 being arranged along 13 length direction of optical cable ontology, can effectively add
The structural strength and compression strength of strong optical cable ontology 13, and it is respectively equipped with first inside the inner sheath 4 in 3 outside of toughness intervallum
Cavity 2, the second cavity 6 and third cavity 7, the inside of the first cavity 2, the second cavity 6 and third cavity 7 are respectively equipped with First Line
Beam 1, the second harness 5 and third harness 8, the outside of the first harness 1, the second harness 5 and third harness 8 are all enclosed with wire harness sheath
16, and the first harness 1, the second harness 5 are equal with the diameter of third harness 8, and the first harness 1, the second harness 5 and third harness
Fluororesin filled layer 20, fluororesin filling are all uniformly provided with inside the first cavity 2, the second cavity 6 and third cavity 7 on the outside of 8
Layer 20 have excellent high and low temperature resistance, chemical stability, weatherability, noninflammability, not by working environment, temperature, humidity and
The influence of working frequency, the inner homogeneous of the first harness 1, the second harness 5 and third harness 8 are equipped with core 18, core 18 it is outer
Side is all enclosed with insulation sleeve 15, is all equipped in rubber inside the first harness 1, the second harness 5 and third harness 8 between core 18
Heart body 14 is all equipped with arc-shaped slot 19 on the lateral wall of rubber centerbody 14, and arc-shaped slot 19 is mutually matched with insulation sleeve 15,
And all it is uniformly provided with Halogen filled layer 17, interior shield inside the first harness 1, the second harness 5 and the third harness 8 on the outside of insulation sleeve 15
Convex ribs 12 are uniformly fixed on the lateral wall of set 4, the optical cable ontology 13 in 4 outside of inner sheath is internally provided with damp-proof layer 10, and adjacent
Elastic strip 11 is all fixed on damp-proof layer 10 between two convex ribs 12, convex ribs 12 are uniformly fixed on inner sheath 4 in the shape of a spiral
The section of outer wall, convex ribs 12 is semicircular structure, and the radius of convex ribs 12 is equal with the diameter in 11 section of elastic strip, can be effective
The structural strength for reinforcing optical cable ontology 13, the outside of damp-proof layer 10 is enclosed with high-density polyethylene outer sheath 9, high-density polyethylene
1.5 times of 4 thickness of thickness inner sheath of alkene oversheath 9, and 10 thickness of damp-proof layer is 9 thickness of high-density polyethylene outer sheath
0.5 times so that high-density polyethylene outer sheath 9 and damp-proof layer 10 form a complete compound entirety, with high intensity, waterproof,
It is corrosion-resistant, extend the service life of optical cable.
Operation principle：In use, optical cable is in use, the high-density polyethylene outer sheath 9 in 13 outside of optical cable ontology
And the damp-proof layer 10 of 9 inside of high-density polyethylene outer sheath forms a complete compound entirety so that optical cable ontology 13 has
Waterproof, corrosion resistant effect, the elastic strip 11 being uniformly arranged on the madial wall of damp-proof layer 10 are respectively embedded on 4 lateral wall of inner sheath
It between uniform fixed convex ribs 12, can effectively reinforce the structural strength and compression strength of optical cable ontology 13, make simultaneously
There is good self-recovering function after the compression of optical cable ontology 13, significantly improve 13 reliability of operation of optical cable ontology, can hold
It is indeformable not broken by powerful deep sea hydraulic, it is ensured that the reliability service of optical cable ontology 13, by between toughness inside inner sheath 4
It is uniformly arranged the first cavity 2, the second cavity 6 and third cavity 7 every band 3 so that the first cavity 2, the second cavity 6 and third cavity
The first harness 1, the second harness 5 and third harness 8 inside 7 is mutually separated, is not affected one another, and the first harness 1, the second line
It is all uniformly provided with fluororesin filled layer inside the first cavity 2, the second cavity 6 and third cavity 7 on the outside of beam 5 and third harness 8
20, fluororesin filled layer 20 has excellent high and low temperature resistance, chemical stability, weatherability, noninflammability, not by building ring
The influence in border, temperature, humidity and working frequency.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Profit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
Claims (5)
1. a kind of optical cable applied to seabed, including optical cable ontology（13）, toughness intervallum（3）, the first harness（1）, the second line
Beam（5）With third harness（8）, it is characterised in that：The optical cable ontology（13）Internal center position is equipped with inner sheath（4）,
Inner sheath（4）Inside be fixed with along optical cable ontology（13）The toughness intervallum of length direction setting（3）, and toughness intervallum
（3）The inner sheath in outside（4）Inside is respectively equipped with the first cavity（2）, the second cavity（6）With third cavity（7）, first chamber
Body（2）, the second cavity（6）With third cavity（7）Inside be respectively equipped with the first harness（1）, the second harness（5）With third harness
（8）, and the first harness（1）, the second harness（5）With third harness（8）First cavity in outside（2）, the second cavity（6）And third
Cavity（7）Inside is all uniformly provided with fluororesin filled layer（20）, first harness（1）, the second harness（5）With third harness
（8）Inner homogeneous be equipped with core（18）, core（18）Outside be all enclosed with insulation sleeve（15）, and insulation sleeve（15）Outside
First harness（1）, the second harness（5）With third harness（8）Inside is all uniformly provided with Halogen filled layer（17）, the inner sheath
（4）Lateral wall on be uniformly fixed with convex ribs（12）, inner sheath（4）The optical cable ontology in outside（13）It is internally provided with damp-proof layer
（10）, and two neighboring convex ribs（12）Between damp-proof layer（10）On be all fixed with elastic strip（11）, damp-proof layer（10）Outside
It is enclosed with high-density polyethylene outer sheath（9）.
2. a kind of optical cable applied to seabed according to claim 1, it is characterised in that：The core（18）Between
One harness（1）, the second harness（5）With third harness（8）It is internal to be all equipped with rubber centerbody（14）, rubber centerbody（14）It is outer
Arc-shaped slot is all equipped on side wall（19）, and arc-shaped slot（19）With insulation sleeve（15）It is mutually matched.
3. a kind of optical cable applied to seabed according to claim 1, it is characterised in that：First harness（1）, second
Harness（5）With third harness（8）Outside be all enclosed with wire harness sheath（16）, and the first harness（1）, the second harness（5）With
Three harness（8）Diameter it is equal.
4. a kind of optical cable applied to seabed according to claim 1, it is characterised in that：The convex ribs（12）In the shape of a spiral
Uniformly it is fixed on inner sheath（4）Outer wall, convex ribs（12）Section be semicircular structure, and convex ribs（12）Radius and elastic strip
（11）The diameter in section is equal.
5. a kind of optical cable applied to seabed according to claim 1, it is characterised in that：It is protected outside the high density polyethylene (HDPE)
Set（9）Thickness inner sheath（4）1.5 times of thickness, and damp-proof layer（10）Thickness is high-density polyethylene outer sheath（9）Thickness
0.5 times.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810832822.4A CN108802943A (en) | 2018-07-26 | 2018-07-26 | A kind of optical cable applied to seabed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810832822.4A CN108802943A (en) | 2018-07-26 | 2018-07-26 | A kind of optical cable applied to seabed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108802943A true CN108802943A (en) | 2018-11-13 |
Family
ID=64078206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810832822.4A Withdrawn CN108802943A (en) | 2018-07-26 | 2018-07-26 | A kind of optical cable applied to seabed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108802943A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109407247A (en) * | 2019-01-14 | 2019-03-01 | 徐亚琴 | A kind of fire-retardant cable |
| CN110824635A (en) * | 2019-11-07 | 2020-02-21 | 深圳市高德信通信股份有限公司 | Underwater optical fiber communication line |
-
2018
- 2018-07-26 CN CN201810832822.4A patent/CN108802943A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109407247A (en) * | 2019-01-14 | 2019-03-01 | 徐亚琴 | A kind of fire-retardant cable |
| CN110824635A (en) * | 2019-11-07 | 2020-02-21 | 深圳市高德信通信股份有限公司 | Underwater optical fiber communication line |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181113 |