CN217239116U

CN217239116U - Zero buoyancy copper conductor for ocean cable

Info

Publication number: CN217239116U
Application number: CN202220523561.XU
Authority: CN
Inventors: 毋辛羽; 张恒; 陈铁军; 李慧琳; 罗艳玲; 胡红美; 王爱军
Original assignee: Henan Ruilitong Copper Co ltd
Current assignee: Henan Ruilitong Copper Co ltd
Priority date: 2022-03-10
Filing date: 2022-03-10
Publication date: 2022-08-19
Anticipated expiration: 2032-03-10

Abstract

The utility model discloses a zero buoyancy copper conductor for ocean cable, including the copper wire, the copper wire is anaerobic copper wire material, the outer wall coating of copper wire has anticorrosive coating, the copper wire is provided with the multiunit, multiunit copper wire and water blocking yarn fine twisting together become restrainting forming cable, water blocking yarn is provided with the multiunit, the surface cladding of cable has the water blocking tape, it has the powder that blocks water to fill between water blocking tape and the cable, the outside cladding of water blocking tape has the insulating layer, it has the buoyancy foaming cotton to fill between water blocking tape and the insulating layer, the utility model discloses a through be provided with multilayer waterproof in the outside of copper wire, the first layer is the water blocking yarn that the copper wire outer wall twines the cladding, the second layer is the powder that blocks water that fills between water blocking tape and the copper wire, the third layer is the water blocking tape, water blocking yarn, water blocking powder and water blocking tape all have the water swelling, the characteristics of hydroscopicity is extremely strong can effectively prevent moisture infiltration and diffusion, thereby reach the purpose of blocking water blocking, the waterproof effect is good.

Description

Zero buoyancy copper conductor for ocean cable

Technical Field

The utility model relates to a cable field specifically is a zero buoyancy copper conductor for ocean cable.

Background

The zero-buoyancy cable is a special seawater-resistant cable, adopts high-quality materials and process design, well reduces the weight of the cable, enables the cable to float on the water surface, has good flexibility, and is increasingly applied to the detection and development of ocean resources along with the increasing use of underwater robots or underwater equipment.

This prior art solution also presents the following problems when in use:

the existing zero-buoyancy cable is used for a long time, seawater can gradually corrode the surface layer of the cable, seawater permeates into the cable and erodes copper wires in the cable, the use is not safe enough, and the service life of the cable is short.

Improvements are needed to address the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a zero buoyancy copper conductor for ocean cable to solve the current zero buoyancy cable that the above-mentioned background art provided and in long-term use, the sea water can corrode the cable top layer gradually, makes the sea water infiltration get into the cable, corrodes the inside copper line of cable, uses safety inadequately, cable life low scheduling problem.

In order to achieve the above object, the utility model provides a following technical scheme: the copper conductor for the zero-buoyancy marine cable comprises copper wires, wherein the copper wires are made of anaerobic copper wires, an anti-corrosion coating is coated on the outer walls of the copper wires, multiple groups of copper wires and water blocking yarns are finely twisted together to form a cable, the water blocking yarns are arranged in multiple groups, a water blocking tape wraps the outer surface of the cable, water blocking powder is filled between the water blocking tape and the cable, an insulating layer wraps the water blocking tape, and buoyancy foaming cotton is filled between the water blocking tape and the insulating layer.

Preferably, the water-blocking yarn is a water-swellable yarn composed of polyester filaments, high-molecular swelling water-absorbing resin and an adhesive.

Preferably, the water-blocking powder consists of sodium polyacrylate and a cross-linking agent.

Preferably, the water blocking tape is a tape-shaped material with a certain thickness formed by adhering water-absorbing resin between two layers of non-woven fabrics by using an adhesive.

Preferably, the buoyancy foam is a polyurethane material.

Preferably, the insulating layer is made of polyethylene.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a multiunit copper wire and the common accurate hank of yarn that blocks water form the cable, the surface of copper wire scribbles anticorrosive coating, prevent that the copper wire from being corroded by the sea water, the outside of copper wire is provided with the multilayer waterproof, the first layer is the yarn that blocks water of twisting with the copper wire is accurate jointly, the yarn that blocks water can expand rapidly when meeting water and form the very big gelatinous thing of volume, the water-retaining capacity of this gelatinous thing is fairly strong, can prevent the growth of water tree effectively, thereby prevent moisture continuation infiltration and diffusion, the second floor is the powder that blocks water of packing between water-blocking tape and the copper wire, the powder that blocks water comprises polyacrylic acid sodium salt and cross-linking agent, polyacrylic acid sodium salt is water-soluble straight chain high-molecular polymer, odorless, meet water swelling, hydroscopicity, further prevent the sea water erosion, the third layer is the water-blocking tape, the water-blocking tape is the banded material that has certain thickness and forms with the adhesive with the water-absorbing resin adhesion in the middle of two-layer non-woven fabrics, the waterproof structure has the advantages that the copper wires are completely wrapped, the water-absorbing resin can expand when meeting water, and can effectively prevent water from continuously permeating and diffusing, so that the purpose of water blocking is achieved, and the waterproof structure is good in waterproof effect and more durable.

2. The buoyancy foaming cotton filled between the water blocking tape and the insulating layer has certain waterproofness, and meanwhile, the cable can float and cannot sink to the sea surface, so that the influence on equipment is reduced, the insulating layer can prevent the cable from leaking electricity, the use is safer, and the cable cannot be corroded by seawater easily.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a sectional view of the whole structure of the present invention.

In the figure: 1. 2 parts of copper wires, 3 parts of water-blocking yarns, 4 parts of water-blocking tapes, 5 parts of water-blocking powder, 6 parts of buoyancy foam cotton and an insulating layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: a copper conductor for a zero-buoyancy ocean cable comprises a copper wire 1, wherein the copper wire 1 is made of an oxygen-free copper wire material, the outer wall of the copper wire 1 is coated with an anticorrosive coating, the copper wire 1 is provided with a plurality of groups, the groups of copper wires 1 and water-blocking yarns 2 are finely twisted together to form the cable, the water-blocking yarns 2 are provided with a plurality of groups, the outer surface of the cable is wrapped with water-blocking tapes 3, water-blocking powder 4 is filled between the water-blocking tapes 3 and the cable, the outer part of the water-blocking tapes 3 is wrapped with an insulating layer 6, buoyancy foam cotton 5 is filled between the water-blocking tapes 3 and the insulating layer 6, firstly, the groups of copper wires 1 are finely twisted to form the cable, the outer part of the copper wire 1 is provided with a plurality of layers of waterproof layers, the first layer of the water-blocking yarns 2 wrapped around the outer wall of the copper wires 1 can rapidly expand to form a large-sized gelatinous substance when meeting water, the gelatinous substance has a relatively strong water retention capacity and can effectively prevent water trees from growing so as to prevent water from continuously permeating and diffusing, the second layer is the water-blocking powder 4 of packing between water-blocking tape 3 and copper wire 1, water-blocking powder 4 comprises polyacrylic acid sodium salt and cross-linking agent, polyacrylic acid sodium salt 4 is water-soluble straight chain high molecular polymer, odorless and tasteless, meet water swelling, the hydroscopicity is extremely strong, further prevent sea water erosion, the third layer is water-blocking tape 3, water-blocking tape 3 is the banded material that has certain thickness with adhesive with water-absorbing resin adhesion formation in the middle of two-layer non-woven fabrics, wrap up copper wire 1 is whole, water-absorbing resin meets water swelling, can effectively prevent moisture to continue infiltration and diffusion, reach the purpose that blocks water from this, water-proof effects is good, and is more durable, insulating layer 6 can prevent the cable electric leakage, it is safer to use, anticorrosive coating, make the cable can not be corroded by sea water easily.

In this embodiment, the water-blocking yarn 2 is a water-swellable yarn composed of polyester filament, high-molecular swelling water-absorbing resin and adhesive, and the water-blocking yarn 2 can swell rapidly to form a large-volume gel when it is in contact with water, and the gel has a relatively strong water-retaining capacity and can effectively prevent the water tree from growing, so as to prevent the water from continuously permeating and diffusing, and achieve the purpose of water resistance.

In this embodiment, the water-blocking powder 4 is composed of a sodium polyacrylate salt and a cross-linking agent, and the sodium polyacrylate salt 4 is a water-soluble linear high molecular polymer, is odorless and tasteless, swells when meeting water, has extremely strong water absorption, and can further prevent seawater erosion.

In this embodiment, the water-blocking tape 3 is a tape-shaped material with a certain thickness formed by adhering water-absorbing resin between two layers of non-woven fabrics by using an adhesive, the water-blocking tape 3 wraps all the copper wires 1, and the water-absorbing resin can expand when meeting water, so that the water can be effectively prevented from continuously permeating and diffusing, the purpose of blocking water is achieved, and the waterproof effect is good.

In this embodiment, the buoyancy foam cotton 5 is made of a polyurethane material, the polyurethane material is light and has certain waterproofness, and the polyurethane material is used for filling, so that the cable can float on the sea surface and cannot sink, which is beneficial to reducing the influence on equipment.

In this embodiment, the insulating layer 6 is made of polyethylene, which makes the cable have better insulation and safer use.

The working principle is as follows: the copper conductor for the zero-buoyancy marine cable is used, firstly, a plurality of groups of copper wires 1 and water-blocking yarns 2 are finely twisted together to form a cable, a plurality of layers of waterproof materials are arranged outside the copper wires 1, the first layer is the water-blocking yarns 2 which are finely twisted together with the copper wires 1, the water-blocking yarns 2 can rapidly expand to form a large-volume gelatinous substance when meeting water, the gelatinous substance has quite strong water retention capacity and can effectively prevent the growth of water trees so as to prevent the water from continuously permeating and diffusing, the second layer is water-blocking powder 4 filled between the water-blocking tapes 3 and the copper wires 1, the water-blocking powder 4 is formed by sodium polyacrylate and a cross-linking agent, the sodium polyacrylate 4 is a water-soluble straight-chain high polymer, is odorless and tasteless, can expand when meeting water, has extremely strong water absorption performance and further prevents seawater erosion, the third layer is the water-blocking tape 3, and the water-blocking tape 3 is a tape-shaped material which is formed by adhering water-absorbing resin between two non-woven fabrics by using an adhesive and has a certain thickness, wrap up copper wire 1 is whole, water-absorbing resin meets the water and can expand, can effectively prevent moisture to continue infiltration and diffusion, reach the purpose that blocks water from this, water-proof effects is good, and is more durable, the buoyancy foaming cotton 5 of packing between 3 and the insulating layer 6 of the area that blocks water has certain waterproof nature, make the cable float simultaneously can not sink with the sea, help reducing the influence to equipment, insulating layer 6 can prevent the cable electric leakage, it is safer to use, anticorrosive coating, make the cable can not be corroded by the sea easily.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a zero buoyancy copper conductor for ocean cable, includes copper wire (1), its characterized in that: the cable is characterized in that the copper wire (1) is made of an oxygen-free copper wire, an anticorrosive coating is coated on the outer wall of the copper wire (1), multiple groups of copper wires (1) and water blocking yarns (2) are finely twisted together to form a cable, multiple groups of water blocking yarns (2) are arranged, the water blocking tape (3) wraps the outer surface of the cable, water blocking powder (4) is filled between the water blocking tape (3) and the cable, an insulating layer (6) wraps the outer portion of the water blocking tape (3), and buoyancy foaming cotton (5) is filled between the water blocking tape (3) and the insulating layer (6).

2. The copper conductor for a zero-buoyancy marine cable according to claim 1, wherein: the water-blocking tape (3) is a strip-shaped material which is formed by adhering water-absorbing resin between two layers of non-woven fabrics by using an adhesive and has a certain thickness.

3. The copper conductor for a zero-buoyancy marine cable according to claim 1, wherein: the buoyancy foam cotton (5) is made of polyurethane material.

4. The copper conductor for a zero-buoyancy marine cable according to claim 1, wherein: the insulating layer (6) is made of polyethylene.