CN210429397U

CN210429397U - Photoelectric composite submarine power cable

Info

Publication number: CN210429397U
Application number: CN201921056116.1U
Authority: CN
Inventors: 陈永松; 袁旭光; 王自华; 郑虎; 卢相飞; 谢小霞
Original assignee: Hubei Longshi Energy Saving Environmental Special Cable Co ltd
Current assignee: Hubei Longshi Energy Saving Environmental Special Cable Co ltd
Priority date: 2019-07-08
Filing date: 2019-07-08
Publication date: 2020-04-28
Anticipated expiration: 2029-07-08

Abstract

The utility model provides a photoelectric composite's submarine power cable, includes steel wire armor, cable main part, fiber optic sleeve and optic fibre, the inside evenly distributed of cable main part has three copper conductor, the outside parcel of copper conductor has the XLPE insulator, and the inboard of XLPE insulator is equipped with the conductor shielding layer, the outside parcel of XLPE insulator has the alloy lead cover, the inside parcel of fiber optic sleeve has prick husky, the inside evenly distributed of cable core filler has three groups of loose tubes, and the inside parcel of loose tube has optic fibre, and evenly distributed sleeve pipe filler between optic fibre and the loose tube, the outside parcel of cable main part has the band, the outside parcel of band has the anticorrosive coating, and the outside parcel of anticorrosive coating has the steel wire armor, the outside parcel of steel wire armor has the tegument.

Description

Photoelectric composite submarine power cable

Technical Field

The utility model relates to a submarine power cable field specifically is a compound submarine power cable of photoelectricity.

Background

The outermost part of the existing submarine power cable is an outer tegument, an armor layer is arranged in the outer tegument, the armor layer adopts steel wires, and an inner cushion layer is arranged in the armor layer; the submarine optical fiber unit is arranged in the gap of the submarine power cable core in the inner cushion layer, but the defect is that the conductor is not improved, the conductor of the cable is mostly made of copper, the copper can meet the requirements of good conductivity and enough tensile strength, but the copper is high in price, so the manufacturing cost is high, and the tensile strength is not enough due to the adoption of other materials, so that the development of the submarine cable which can meet the requirements of good conductivity and enough tensile strength is developed to become a development trend; meanwhile, the salinity and alkalinity of the seawater are high, the seawater is easy to corrode submarine cables, and if the submarine cables break down, the submarine cables are difficult to maintain.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a compound submarine power cable of photoelectricity can prevent effectively that the cable from being destroyed at the seabed.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a compound submarine power cable of photoelectricity, includes steel wire armor, cable main part, fiber optic sleeve and optic fibre, the inside evenly distributed of cable main part has three copper conductor, the outside parcel of copper conductor has the XLPE insulator, and the inboard of XLPE insulator is equipped with the conductor shielding layer, the outside parcel of XLPE insulator has the alloy lead cover, the inside parcel of fiber optic sleeve has prick husky, has three groups of loose tubes at the inside evenly distributed of cable core filler, and the inside parcel of loose tube has optic fibre, and evenly distributed sleeve pipe filler between optic fibre and the loose tube, the outside parcel of cable main part has the band, the outside parcel of band has the anticorrosive coating, and the outside parcel of anticorrosive coating has the steel wire armor, the outside parcel of steel wire armor has the tegument.

Preferably, an outer layer sheath is arranged outside the outer layer, a plurality of supporting columns are arranged in a cavity between the outer layer sheath and the outer layer, and gaps are reserved among the supporting columns. The support column is a rubber column.

Preferably, cable core fillers are uniformly distributed between the pricked sand and the loose sleeve.

Preferably, a central reinforcing member is installed at the central position inside the cable core filler.

Preferably, the central reinforcing member is a steel wire.

Preferably, high-strength steel wires are uniformly distributed in the steel wire armor layer.

Preferably, the outer surface of the outer layer is coated with a corrosion-resistant coating.

The utility model provides a photoelectric composite's submarine power cable, this cable is through additionally being equipped with the anticorrosive coating, guarantee that its surface is difficult damaged, be equipped with withstand voltage filler layer, make being difficult to of cable take place deformation, outer sheath and support column can prevent that the cable is indestructible under the condition that receives exogenic action, copper conductor outer strata adopts the XLPE insulator, it is better than ordinary material insulation, the cable main part separates anticorrosive coating and inside important material, the life of cable is increased, the alloy lead sheath has increased the tensile strength of inside cable and optic fibre, make its can not easy break inside cable and optic fibre when laying.

Drawings

FIG. 1 is a cross-sectional view of the present invention;

fig. 2 is a schematic structural diagram of the optical fiber ferrule of the present invention.

Detailed Description

Referring to fig. 1-2, a photoelectric composite submarine power cable comprises a steel wire armor layer 5, a cable main body 9, an optical fiber sleeve 10 and optical fibers 19, wherein three copper conductors 11 are uniformly distributed in the cable main body 9, an XLPE insulator 13 is wrapped outside the copper conductors 11, a conductor shielding layer 14 is arranged on the inner side of the XLPE insulator 13 to further enhance the insulation effect, an alloy lead sleeve 12 is wrapped outside the XLPE insulator 13 to improve the toughness of the internal structure, so that the XLPE insulator cannot be easily broken in the installation process, a sand prick 16 is wrapped in the optical fiber sleeve 10, three groups of loose sleeves 17 are uniformly distributed in a cable core filler 20, the optical fibers 19 are wrapped in the loose sleeves 17, sleeve fillers 18 are uniformly distributed between the optical fibers 19 and the loose sleeves 17, so that the loose sleeves are not deformed by submarine hydraulic pressure, a wrapping tape 7 is arranged outside the cable main body 9, 7 outside parcel in band has

anticorrosive coating

6, and 6 outside parcels in anticorrosive coating have steel wire armor 5, and the inside evenly distributed of steel wire armor 5 has the high strength steel wire, increases holistic pull resistance, 5 outside parcels in steel wire armor have tegument 1.

Preferably, an outer layer sheath 2 is arranged outside the outer layer 1, a plurality of supporting columns 3 are arranged in a cavity between the outer layer sheath 2 and the outer layer 1, and gaps 4 are formed between the supporting columns 3. The support column 3 is a rubber column.

Preferably, cable core fillers 20 are uniformly distributed between the prick sand 16 and the loose tube 17.

Preferably, a central reinforcing member 15 is installed at a central position inside the cable core filler 21. And the toughness of the optical fiber sleeve is enhanced.

Preferably, the central reinforcing member 15 is a steel wire.

Preferably, high-strength steel wires are uniformly distributed in the steel wire armor layer 5.

Preferably, the outer surface of the outer layer 1 is coated with an anticorrosive coating.

During the use, outer sheath 2 and support column 3 can play certain cushioning effect to external force impact, and copper conductor 11's copper conductor 11 tensile ability can be strengthened to copper conductor 11's the distribution of alloy lead sheathing 12 in the XLPE insulator 13 outside of copper conductor 11, makes it can not break the copper conductor 11 of inner core in the installation.

The above-mentioned embodiments are merely preferred embodiments of the present invention, and should not be considered as limitations of the present invention, and the protection scope of the present invention should be defined by the technical solutions described in the claims, and includes equivalent alternatives of technical features in the technical solutions described in the claims. Namely, equivalent alterations and modifications within the scope of the invention are also within the scope of the invention.

Claims

1. The utility model provides a compound submarine power cable of photoelectricity, includes steel wire armor (5), cable subject (9), fiber sleeve (10) and optic fibre (19), its characterized in that: three copper conductors (11) are uniformly distributed in the cable main body (9), an XLPE insulator (13) is wrapped outside the copper conductors (11), a conductor shielding layer (14) is arranged on the inner side of the XLPE insulator (13), an alloy lead sleeve (12) is wrapped outside the XLPE insulator (13), the optical fiber sleeve (10) is wrapped with sand (16), three groups of loose sleeves (17) are uniformly distributed in the cable core filler (20), the loose tube (17) is wrapped with optical fibers (19), sleeve fillers (18) are uniformly distributed between the optical fibers (19) and the loose tube (17), the cable main body (9) is wrapped with a wrapping tape (7), the wrapping tape (7) is wrapped with an anticorrosive layer (6), and the outer part of the anti-corrosion layer (6) is wrapped with a steel wire armor layer (5), and the outer part of the steel wire armor layer (5) is wrapped with a tegument layer (1).

2. The optoelectric composite submarine power cable according to claim 1, wherein: the outer sheath (2) is arranged outside the outer sheath (1), a plurality of supporting columns (3) are arranged in a cavity between the outer sheath (2) and the outer sheath (1), and gaps (4) are reserved between the supporting columns (3).

3. The optoelectric composite submarine power cable according to claim 1, wherein: cable core fillers (20) are uniformly distributed between the sand binding (16) and the loose tube (17).

4. The optoelectric composite submarine power cable according to claim 1, wherein: and a central reinforcing piece (15) is arranged at the central position inside the cable core filler (21).

5. The optoelectric composite submarine power cable according to claim 4, wherein: the central reinforcing member (15) is a steel wire.

6. The optoelectric composite submarine power cable according to claim 1, wherein: high-strength steel wires are uniformly distributed in the steel wire armor layer (5).

7. The optoelectric composite submarine power cable according to claim 1, wherein: the outer surface of the outer layer (1) is coated with an anticorrosive coating.