CN209401365U - A kind of corrosion resistant submarine cable - Google Patents

Abstract

The utility model discloses a kind of corrosion resistant submarine cables, including main body, oversheath is provided on the outer wall of the main body, the main body is internally provided with alkaline-resisting sheath, carbon fiber sheath is provided on the inner wall of the alkaline-resisting sheath, water proof putty layer is provided on the inner wall of the carbon fiber sheath, asbestos layer is provided on the inner wall of the water proof putty layer, hollow layer is provided on the inner wall of the asbestos layer, the main body is internally provided with band, steel wire set is provided on the inner wall of the band, separation sleeve is provided on the steel wire set inner wall, inner cushion layer is provided between the separation sleeve and steel wire set, inner sheath is provided on the inner wall of the separation sleeve, copper strip shielding layer is provided on the inner wall of the inner sheath, the copper strip shielding layer is internally provided with oxygen barrier layer.The utility model effectively raises the corrosion resistance of submarine cable by the alkaline-resisting layer and carbon fiber layer that are arranged in the inside of main body, to extend the service life of submarine cable.

Description

A kind of corrosion resistant submarine cable

Technical field

The utility model relates to field of cable technology, specially a kind of corrosion resistant submarine cable.

Background technique

Submarine cable is the conducting wire with wrapped with insulation, and it is underwater to be laid on seabed and river, is used for telecommunication transmission.It is modern Submarine cable be all to use optical fiber as material, transmit phone and internet signal.The submarine cable that beats the world is It is laid between Britain and France within 1850.First submarine cable of China was completed in 1988, shared two, first is that Between Foochow river stone island and Taiwan Shanghai tail (fresh water), long 177 nautical miles another leads to Penghu, 53 nautical miles long, sea by platform Nanan is flat Bottom cable divides submarine communication cable and sea electric power cable.Submarine communication cable is mainly used for communication traffic, somewhat expensive, but protects Close degree is high.Sea electric power cable is mainly used for underwater transmission high-power power, is equal with the effect of underground power cable, only not The occasion for crossing application is different with the mode of laying.Since submarine cable engineering is known as complicated difficult large-scale work by countries in the world Journey is investigated from environment detection, marine physics, and design, manufacture and the installation of cable, all applies complex technology.

During use, because the corrosion resistance of cable itself is poor, cable is for a long time for traditional submarine cable Laying is corroded by the alkaline matter in seawater in the seawater, leads to the integrally-built damage of cable, for this purpose, we provide one The corrosion resistant submarine cable of kind.

Utility model content

The purpose of this utility model is to provide a kind of corrosion resistant submarine cables, to solve to propose in above-mentioned background technique Traditional submarine cable during use because the corrosion resistance of cable itself is poor, cable for a long time be laid on The problem of being corroded in seawater by the alkaline matter in seawater, the overall structure of cable caused to be damaged.

To achieve the above object, the utility model provides the following technical solutions: a kind of corrosion resistant submarine cable, including master Body, is provided with oversheath on the outer wall of the main body, and the main body is internally provided with alkaline-resisting sheath, the alkaline-resisting sheath it is interior It is provided with carbon fiber sheath on wall, water proof putty layer is provided on the inner wall of the carbon fiber sheath, the water proof putty layer It is provided with asbestos layer on inner wall, hollow layer is provided on the inner wall of the asbestos layer, the main body is internally provided with band, institute It states and is provided with steel wire set on the inner wall of band, be provided with separation sleeve on the steel wire set inner wall, the separation sleeve and steel wire cover it Between be provided with inner cushion layer, inner sheath is provided on the inner wall of the separation sleeve, copper strips screen is provided on the inner wall of the inner sheath Cover layer, the copper strip shielding layer is internally provided with oxygen barrier layer, and the oxygen barrier layer is internally provided with conductor, the conductor it is outer It is provided with semiconductive water blocking layer on wall, insulation screen is provided on the outer wall of the semiconductive water blocking layer, the oxygen barrier layer Center is provided with obturator.

Preferably, there are three the settings of the conductor, and three conductors are symmetrical about the central point of obturator.

Preferably, the centre point of the oversheath is overlapped with the centre point of inner sheath.

Preferably, the alkaline-resisting shield is set on the outer wall of main body, and alkaline-resisting sheath and carbon fiber sheath pass through viscose glue Connection.

Preferably, the water proof putty layer is arranged between carbon fiber sheath and asbestos layer, and the two sides of water proof putty layer Outer wall is fixedly connected with carbon fiber sheath with the inner wall of asbestos layer.

Preferably, the hollow layer is arranged between asbestos layer and band, and the two sides outer wall of hollow layer and asbestos layer with The inner wall of band is fixedly connected.

Compared with prior art, the utility model has the beneficial effects that

The utility model effectively raises submarine cable by the alkaline-resisting layer and carbon fiber layer that are arranged in the inside of main body Corrosion resistance, during telecommunication transmission, alkaline-resisting sheath is located on the outer wall of main body, plays and protects main body not by seawater In the effect corroded of alkaline matter, carbon fiber sheath has extremely strong corrosion resistance, it is rotten effectively to avoid submarine cable The problem of erosion, water proof putty layer play the soaking-resistant ability for improving submarine cable, and the whole of submarine cable can be enhanced in asbestos layer Body intensity, hollow layer play the anti-pressure ability for improving submarine cable, avoid leading to submarine cable because the pressure of seawater is excessive Overall structure damage the problem of, to extend the service life of submarine cable.

Detailed description of the invention

Fig. 1 is the overall structure diagram of the utility model；

Fig. 2 is the body interior structural schematic diagram of the utility model；

Fig. 3 is the oxygen barrier layer schematic diagram of internal structure of the utility model；

Fig. 4 is the part A structure enlarged structure schematic diagram of the utility model；

In figure: 1, main body；2, band；3, steel wire set；4, separation sleeve；5, oxygen barrier layer；6, oversheath；7, inner cushion layer；8, interior Sheath；9, copper strip shielding layer；10, insulation screen；11, semiconductive water blocking layer；12, conductor；13, obturator；14, alkaline-resisting shield Set；15, carbon fiber sheath；16, water proof putty layer；17, asbestos layer；18, hollow layer.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.

Fig. 1-4 is please referred to, a kind of embodiment provided by the utility model: a kind of corrosion resistant submarine cable, including main body 1, oversheath 6 is provided on the outer wall of main body 1, oversheath 6 plays the role of protecting submarine cable outer wall, and the inside of main body 1 is set It is equipped with alkaline-resisting sheath 14, carbon fiber sheath 15 is provided on the inner wall of alkaline-resisting sheath 14, is arranged on the inner wall of carbon fiber sheath 15 There is water proof putty layer 16, asbestos layer 17 is provided on the inner wall of water proof putty layer 16, is provided on the inner wall of asbestos layer 17 hollow Layer 18, main body 1 is internally provided with band 2, be provided on the inner wall of band 2 steel wire set 3, steel wire cover 3 inner walls on be provided with every From set 4, it is provided with inner cushion layer 7 between separation sleeve 4 and steel wire set 3, inner sheath 8, inner sheath 8 are provided on the inner wall of separation sleeve 4 Play the role of protecting three conductors 12 inside submarine cable, is provided with copper strip shielding layer 9, copper strips screen on the inner wall of inner sheath 8 Cover layer 9 is internally provided with oxygen barrier layer 5, and oxygen barrier layer 5 is internally provided with conductor 12, and conductor 12 plays the role of telecommunication transmission, It is provided with semiconductive water blocking layer 11 on the outer wall of conductor 12, insulation screen 10 is provided on the outer wall of semiconductive water blocking layer 11, The center of oxygen barrier layer 5 is provided with obturator 13, and obturator 13 plays the role of fixing three conductors 12.

Further, there are three the settings of conductor 12, and three conductors 12 are symmetrical about the central point of obturator 13, if Three conductors 12 set play the role of telecommunication transmission, and three conductors 12 are symmetrical about the central point of obturator 13, can be with So that the internal structure of submarine cable is more well-balanced.

Further, the centre point of oversheath 6 is overlapped with the centre point of inner sheath 8, and oversheath 6 plays outside protection submarine cable The effect of wall, inner sheath 8 play the role of protecting three conductors 12 inside submarine cable, the centre point and inner sheath 8 of oversheath 6 Centre point be overlapped so that the overall structure of submarine cable is more stable.

Further, alkaline-resisting sheath 14 is arranged on the outer wall of main body 1, and alkaline-resisting sheath 14 and carbon fiber sheath 15 are by gluing Glue connection, alkaline-resisting sheath 14 are located on the outer wall of main body 1, play the work for protecting main body not corroded by the alkaline matter in seawater With alkaline-resisting sheath 14 is connect with carbon fiber sheath 15 by viscose glue, so that the installation of alkaline-resisting sheath 14 is more firm.

Further, water proof putty layer 16 is arranged between carbon fiber sheath 15 and asbestos layer 17, and water proof putty layer 16 Two sides outer wall is fixedly connected with carbon fiber sheath 15 with the inner wall of asbestos layer 17, and water proof putty layer 16, which plays, improves submarine cable Soaking-resistant ability, carbon fiber sheath 15 and asbestos layer 17 provide water proof putty layer 16 fixed effect.

Further, hollow layer 18 is arranged between asbestos layer 17 and band 2, and the two sides outer wall and asbestos layer of hollow layer 18 17 are fixedly connected with the inner wall of band 2, and hollow layer 18 plays the anti-pressure ability for improving submarine cable, avoid the pressure because of seawater The problem of overall structure that is excessive and leading to submarine cable is damaged.

Working principle: in use, bottom cable laying is underwater in seabed and river, it is used for telecommunication transmission, is passed in telecommunications In defeated process, alkaline-resisting sheath 14 is located on the outer wall of main body 1, plays and protects main body not by the alkaline matter erosion in seawater Effect, carbon fiber sheath 15 have extremely strong corrosion resistance, effectively avoid the problem of submarine cable is corroded, water proof putty Layer 16 plays the soaking-resistant ability for improving submarine cable, and the integral strength of submarine cable, hollow layer can be enhanced in asbestos layer 17 18 play the anti-pressure ability for improving submarine cable, avoid causing the overall structure of submarine cable to be damaged because the pressure of seawater is excessive Bad problem completes the anticorrosive work of submarine cable.

It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting Related claim.

Claims (6)

1. a kind of corrosion resistant submarine cable, including main body (1), it is characterised in that: be provided on the outer wall of the main body (1) outer Sheath (6), the main body (1) are internally provided with alkaline-resisting sheath (14), are provided with carbon on the inner wall of the alkaline-resisting sheath (14) Fiber jacket (15) is provided with water proof putty layer (16) on the inner wall of the carbon fiber sheath (15), the water proof putty layer (16) it is provided on inner wall asbestos layer (17), is provided with hollow layer (18), the main body on the inner wall of the asbestos layer (17) (1) be internally provided with band (2), is provided with steel wire set (3) on the inner wall of the band (2), on steel wire set (3) inner wall Be provided with separation sleeve (4), be provided with inner cushion layer (7) between the separation sleeve (4) and steel wire set (3), the separation sleeve (4) it is interior It is provided with inner sheath (8), is provided with copper strip shielding layer (9) on the inner wall of the inner sheath (8), the copper strip shielding layer on wall (9) be internally provided with oxygen barrier layer (5), the oxygen barrier layer (5) is internally provided with conductor (12), the outer wall of the conductor (12) On be provided with semiconductive water blocking layer (11), be provided with insulation screen (10), institute on the outer wall of the semiconductive water blocking layer (11) The center for stating oxygen barrier layer (5) is provided with obturator (13).

2. a kind of corrosion resistant submarine cable according to claim 1, it is characterised in that: conductor (12) are provided with Three, and three conductors (12) are symmetrical about the central point of obturator (13).

3. a kind of corrosion resistant submarine cable according to claim 1, it is characterised in that: the center of circle of the oversheath (6) Point is overlapped with the centre point of inner sheath (8).

4. a kind of corrosion resistant submarine cable according to claim 1, it is characterised in that: alkaline-resisting sheath (14) setting On the outer wall of main body (1), and alkaline-resisting sheath (14) is connect with carbon fiber sheath (15) by viscose glue.

5. a kind of corrosion resistant submarine cable according to claim 1, it is characterised in that: the water proof putty layer (16) sets It sets between carbon fiber sheath (15) and asbestos layer (17), and the two sides outer wall of water proof putty layer (16) and carbon fiber sheath (15) It is fixedly connected with the inner wall of asbestos layer (17).

6. a kind of corrosion resistant submarine cable according to claim 1, it is characterised in that: hollow layer (18) setting exists Between asbestos layer (17) and band (2), and the two sides outer wall of hollow layer (18) is fixed with asbestos layer (17) and the inner wall of band (2) Connection.