CN106526769A - Optical fiber composite large-section water blocking conductor for submarine cable - Google Patents
Optical fiber composite large-section water blocking conductor for submarine cable Download PDFInfo
- Publication number
- CN106526769A CN106526769A CN201611074945.3A CN201611074945A CN106526769A CN 106526769 A CN106526769 A CN 106526769A CN 201611074945 A CN201611074945 A CN 201611074945A CN 106526769 A CN106526769 A CN 106526769A
- Authority
- CN
- China
- Prior art keywords
- single line
- line
- optical fiber
- twisted layer
- water
- 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.)
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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
- G02B6/4429—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
-
- 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)
- Insulated Conductors (AREA)
Abstract
The invention discloses an optical fiber composite large-section water blocking conductor for a submarine cable, which comprises an optical fiber, and is characterized in that the outer side of the optical fiber is provided with a first water blocking layer; the outer side of the first water blocking layer is provided with a hollow circular steel tube, the outer side of the hollow circular steel tube is provided with a first molded line single line stranding layer, the first molded line single line stranding layer comprises eight first single lines, each first single line is stranded with the hollow circular steel tube, and the adjacent first single lines are provided with a first water blocking material therebetween. On the one hand, the compression performance can be effectively improved; and on the other hand, the water blocking performance can be improved.
Description
Technical field
The present invention relates to a kind of submarine cable Optical Fiber Composite heavy in section water-blocking conductor.
Background technology
Generally, more than submarine cable using the method for the additional optical fiber in conductor insulation to monitor the operation conditions of cable,
But as submarine cable is to the development on the directions such as big transmission capacity, direct current conveying, voltage levels, the conductor of required cable is straight
Footpath and insulation thickness etc. increasingly increase, using actual feelings when adding the data detected by the method for optical fiber to run with cable before
Condition deviation is obvious, furthermore, current cable all there is a problem of pressing relatively low, particularly large size conductor (2500mm2More than), drop
Replacement cost be increased while low service life.
Therefore those skilled in the art are devoted to that exploitation is a kind of can to effectively improve the submarine cable optical fiber for pressing performance
Compound heavy in section water-blocking conductor.
The content of the invention
In view of the drawbacks described above of prior art, the technical problem to be solved is to provide one kind and effectively can carry
Height presses the submarine cable Optical Fiber Composite heavy in section water-blocking conductor of performance.
For achieving the above object, the invention provides a kind of submarine cable Optical Fiber Composite heavy in section water-blocking conductor, including
Optical fiber, outer fiber are provided with the first water blocking layer；
Hollow round steel pipe is provided with the outside of first water blocking layer, is provided with the first molded line single line twisted layer on the outside of hollow round steel pipe,
First molded line single line twisted layer includes eight the first single lines, and each first single line is stranded with hollow round steel pipe, each the first adjacent single line
Between be provided with the first material water-proof material；
The second molded line single line twisted layer is provided with the outside of first molded line single line twisted layer, and the second molded line single line twisted layer includes 14
Second single line, each second single line are stranded with the first molded line single line twisted layer, are provided with the second resistance between each the second adjacent single line
Water material；
It is provided with the outside of second molded line single line twisted layer and presses round wires twisted layer, pressing round wires twisted layer includes that 24 press list
Line, respectively presses that single line is stranded with the second molded line single line twisted layer, and the 3rd material water-proof material be provided between single line in each adjacent is pressed；
Press and on the outside of round wires twisted layer, be provided with the 3rd molded line single line twisted layer, the 3rd molded line single line twisted layer includes 26
Three single lines, each 3rd single line with press that round wires twisted layer is stranded, be provided with the 4th material water-proof material between each the 3rd adjacent single line.
Preferably, the first single line, the second single line and the 3rd single line are made using soft copper molded line.
In order to further improve block-water effect, each first single line, the second single line and the 3rd single line are provided with water blocking yarn.
Press new energy to further improve, the first single line, the second single line and the 3rd single line are trapezoidal.
Preferably, pressing single line for soft copper round wires.
In order to further improve block-water effect, the first water blocking layer is waterstop.
The invention has the beneficial effects as follows：One aspect of the present invention, can effectively improve and press performance；On the other hand, can
Improve block-water performance.
Description of the drawings
Fig. 1 is the structural representation of the embodiment of the invention.
Specific embodiment
The invention will be further described with reference to the accompanying drawings and examples：
As shown in figure 1, submarine cable Optical Fiber Composite heavy in section water-blocking conductor, including optical fiber 1, is provided with the outside of optical fiber 1
First water blocking layer 2；
Hollow round steel pipe 3 is provided with the outside of first water blocking layer 2, is provided with the first molded line single line strand on the outside of hollow round steel pipe 3
Layer 4, the first molded line single line twisted layer 4 includes eight the first single line 4a, and each first single line 4a is stranded with hollow round steel pipe 3, each adjacent
The first single line 4a between be provided with the first material water-proof material 4b；
The second molded line single line twisted layer 5 is provided with the outside of first molded line single line twisted layer 4, and the second molded line single line twisted layer 5 includes ten
Four the second single line 5a, each second single line 5a are stranded with the first molded line single line twisted layer 4, are all provided between each the second adjacent single line 5a
It is equipped with the second material water-proof material 5b；
It is provided with the outside of second molded line single line twisted layer 5 and presses round wires twisted layer 6, pressing round wires twisted layer 6 includes 24 tightly
Pressure single line 6a, it is stranded with the second molded line single line twisted layer 5 respectively to press single line 6a, and each adjacent pressing is provided with the between single line 6a
Three material water-proof material 6b；
Press and on the outside of round wires twisted layer 6, be provided with the 3rd molded line single line twisted layer 7, the 3rd molded line single line twisted layer 7 includes 26
Individual 3rd single line 7a, each 3rd single line 7a with press that round wires twisted layer 6 is stranded, be provided between each the 3rd adjacent single line 7a
Four material water-proof material 7b.In the present embodiment, the first single line 4a, the second single line 5a and the 3rd single line 7a are made using soft copper molded line.
Each first single line 4a, the second single line 5a and the 3rd single line 7a are provided with water blocking yarn.First single line 4a, the second single line 5a and the 3rd
Single line 7a is trapezoidal.Press single line 6a for soft copper round wires.First water blocking layer 2 is waterstop.
The preferred embodiment of the present invention described in detail above.It should be appreciated that one of ordinary skill in the art without
Need creative work just can make many modifications and variations with design of the invention.Therefore, all technologies in the art
Personnel are available by logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea
Technical scheme, all should be in the protection domain being defined in the patent claims.
Claims (6)
1. a kind of submarine cable Optical Fiber Composite heavy in section water-blocking conductor, is characterized in that：Including optical fiber (1), optical fiber (1) outward
Side is provided with the first water blocking layer (2)；
Hollow round steel pipe (3) is provided with the outside of first water blocking layer (2), is provided with first on the outside of hollow round steel pipe (3)
Molded line single line twisted layer (4), the first molded line single line twisted layer (4) include eight the first single lines (4a), each first single line
(4a) it is stranded with hollow round steel pipe (3), the first material water-proof material (4b) is provided between each adjacent the first single line (4a)；
The second molded line single line twisted layer (5), the second molded line single line twisted layer is provided with the outside of the first molded line single line twisted layer (4)
(5) 14 the second single lines (5a) are included, each second single line (5a) is stranded with the first molded line single line twisted layer (4), respectively
The second material water-proof material (5b) is provided between adjacent the second single line (5a)；
It is provided with the outside of the second molded line single line twisted layer (5) and presses round wires twisted layer (6), the round wires twisted layer (6) of pressing includes
24 press single line (6a), and each single line (6a) that presses is stranded with the second molded line single line twisted layer (5), each adjacent
Press and between single line (6a), be provided with the 3rd material water-proof material (6b)；
It is described press be provided with the 3rd molded line single line twisted layer (7) on the outside of round wires twisted layer (6), the 3rd molded line single line twisted layer (7)
Including 26 the 3rd single lines (7a), each 3rd single line (7a) is stranded with the round wires twisted layer (6) of pressing, each adjacent
The 4th material water-proof material (7b) is provided between 3rd single line (7a).
2. submarine cable as claimed in claim 1 Optical Fiber Composite heavy in section water-blocking conductor, is characterized in that：First single line
(4a), the second single line (5a) and the 3rd single line (7a) are made using soft copper molded line.
3. submarine cable as claimed in claim 2 Optical Fiber Composite heavy in section water-blocking conductor, is characterized in that：Each described first is single
Line (4a), the second single line (5a) and the 3rd single line (7a) are provided with water blocking yarn.
4. submarine cable as claimed in claim 1 Optical Fiber Composite heavy in section water-blocking conductor, is characterized in that：First single line
(4a), the second single line (5a) and the 3rd single line (7a) are trapezoidal.
5. submarine cable as claimed in claim 1 Optical Fiber Composite heavy in section water-blocking conductor, is characterized in that：It is described to press single line
(6a) it is soft copper round wires.
6. the Optical Fiber Composite heavy in section water-blocking conductor of the submarine cable as described in claim 1 to 5 is arbitrary, is characterized in that：It is described
First water blocking layer (2) is waterstop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611074945.3A CN106526769B (en) | 2016-11-29 | 2016-11-29 | Optical fiber composite large-section water-blocking conductor for submarine cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611074945.3A CN106526769B (en) | 2016-11-29 | 2016-11-29 | Optical fiber composite large-section water-blocking conductor for submarine cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106526769A true CN106526769A (en) | 2017-03-22 |
| CN106526769B CN106526769B (en) | 2020-04-21 |
Family
ID=58354028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611074945.3A Active CN106526769B (en) | 2016-11-29 | 2016-11-29 | Optical fiber composite large-section water-blocking conductor for submarine cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106526769B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109767865A (en) * | 2018-10-23 | 2019-05-17 | 江苏亨通高压海缆有限公司 | Submarine cable deep-sea water-blocking conductor and preparation method thereof |
| CN111009353A (en) * | 2019-12-31 | 2020-04-14 | 杭州电缆股份有限公司 | B1-grade flame-retardant power cable and production process thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2842461Y (en) * | 2005-12-06 | 2006-11-29 | 江苏通光信息有限公司 | Special-shape lead wound-bag feed type optical unit |
| CN102368108A (en) * | 2011-09-04 | 2012-03-07 | 鲁能泰山曲阜电缆有限公司 | Fully dry optical cable |
| CN103383878A (en) * | 2012-05-06 | 2013-11-06 | 河南科信电缆有限公司 | Aluminum alloy shaped wire photoelectric composite cable |
| CN203377008U (en) * | 2013-08-21 | 2014-01-01 | 重庆泰山电缆有限公司 | Water-blocking conductor for submarine cables |
| CN203397747U (en) * | 2013-08-21 | 2014-01-15 | 重庆泰山电缆有限公司 | Large cross-section compacted circular water blocking conductor |
| CN204792050U (en) * | 2015-05-28 | 2015-11-18 | 江苏南瑞斯特斯复合材料有限公司 | Optical/electrical composite carbon fiber complex core wire in area buffering area |
| CN105810302A (en) * | 2016-05-20 | 2016-07-27 | 江苏亨通高压电缆有限公司 | Specially-shaped conductor employing non-standard twisting of submarine cable |
-
2016
- 2016-11-29 CN CN201611074945.3A patent/CN106526769B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2842461Y (en) * | 2005-12-06 | 2006-11-29 | 江苏通光信息有限公司 | Special-shape lead wound-bag feed type optical unit |
| CN102368108A (en) * | 2011-09-04 | 2012-03-07 | 鲁能泰山曲阜电缆有限公司 | Fully dry optical cable |
| CN103383878A (en) * | 2012-05-06 | 2013-11-06 | 河南科信电缆有限公司 | Aluminum alloy shaped wire photoelectric composite cable |
| CN203377008U (en) * | 2013-08-21 | 2014-01-01 | 重庆泰山电缆有限公司 | Water-blocking conductor for submarine cables |
| CN203397747U (en) * | 2013-08-21 | 2014-01-15 | 重庆泰山电缆有限公司 | Large cross-section compacted circular water blocking conductor |
| CN204792050U (en) * | 2015-05-28 | 2015-11-18 | 江苏南瑞斯特斯复合材料有限公司 | Optical/electrical composite carbon fiber complex core wire in area buffering area |
| CN105810302A (en) * | 2016-05-20 | 2016-07-27 | 江苏亨通高压电缆有限公司 | Specially-shaped conductor employing non-standard twisting of submarine cable |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109767865A (en) * | 2018-10-23 | 2019-05-17 | 江苏亨通高压海缆有限公司 | Submarine cable deep-sea water-blocking conductor and preparation method thereof |
| CN111009353A (en) * | 2019-12-31 | 2020-04-14 | 杭州电缆股份有限公司 | B1-grade flame-retardant power cable and production process thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106526769B (en) | 2020-04-21 |
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