CN207250175U - A kind of Z-type copper wire armored photoelectric composite submarine cable - Google Patents

Abstract

The utility model discloses a Z-shaped copper wire armored photoelectric composite submarine cable, which comprises: a conductor, a semi-conductive tape, a cross-linked conductor shielding layer, an insulating layer, a cross-linked insulating shielding layer, a semi-conductive resistance water tape, a lead Sheath, semi-conductive PE sheath, tape, filler strip, inner liner, copper wire armor and outer jacket. Through the above method, the utility model provides a Z-shaped copper wire armored photoelectric composite submarine cable. Wire armor can not bear the weakness of huge pulling force, and it can also prevent the generation of gaps. It can protect the cable core from radial force damage in all directions without dead ends. Adding water-blocking powder between the armored copper wires can be used as a submarine cable resistance Water's first line of defense.

Description

A Z-type copper wire armored photoelectric composite submarine cable

technical field

The utility model belongs to the field of cables, in particular to a Z-shaped copper wire armored photoelectric composite submarine cable.

Background technique

Submarine cables are mainly used in long-distance power communication networks, including important areas such as long-distance islands and islands, between continents and islands, and cross-sea military facilities. At present, there are broad markets and application prospects for domestic and international submarine cables, which mainly reflect In coastal cities and island markets, submarine cable markets for offshore oil platforms, underwater cable markets such as rivers and lakes, and submarine cables for offshore wind power generation and power transmission, with the improvement of world infrastructure and the development of the power industry, ultra-high voltage photoelectric composite cables It is more and more widely used in the field of power systems. The design and manufacture of cable armor are in the development stage. At present, galvanized steel wire armor is usually used, but the use of galvanized steel wire for single-core submarine cables will inevitably cause large Loss, if the round copper wire armor is used, it will not meet the laying stress requirements, so there are still many areas to be improved.

Utility model content

The technical problem mainly solved by the utility model is to provide a Z-shaped copper wire armored photoelectric composite submarine cable, which can effectively solve the problem of single-core photoelectric composite submarine cable with large loss of galvanized steel wire armor and circular copper wire armored machinery. The problem of poor performance can effectively play a preliminary water blocking role.

In order to solve the above technical problems, a technical solution adopted by the utility model is: a Z-type copper wire armored photoelectric composite submarine cable, including: conductor, semi-conductive tape, cross-linked conductor shielding layer, insulating layer, cross-linked Insulation shielding layer, semi-conductive resistance hose, lead sheath, semi-conductive PE sheath, tape, filling strip, inner lining, copper wire armor and outer covering;

The outside of the conductor is connected to the cross-linked conductor shielding layer, the semiconductive tape is located between the conductor and the cross-linked conductor shielding layer, and the outside of the cross-linked conductor shielding layer is connected to the The insulation layer is connected, the outside of the insulation layer is connected to the cross-linked insulating shielding layer, the outside of the cross-linked insulating shielding layer is connected to the semiconducting resistance hose, and the outside of the semiconducting resistance hose It is connected with the lead sheath, the outer part of the lead sheath is connected with the semi-conductive PE sheath, the outer part of the semi-conductive PE sheath is connected with the strap, and the outer part of the strap is sequentially connected with The inner lining layer and the outer coating layer, the copper wire armor is installed between the inner lining layer and the outer coating layer, and the filling strip is installed between the tape and the inner lining layer between;

A light unit is installed in the filling bar.

In a preferred embodiment of the present invention, the insulating layer is an insulating layer of water-tree-resistant cross-linked polyethylene.

In a preferred embodiment of the utility model, the copper wire armor is anti-corrosion Z-shaped copper wire armor.

In a preferred embodiment of the present invention, water-blocking powder is added between the copper wires in the copper wire armor.

In a preferred embodiment of the present invention, one layer of PP rope and two layers of PP rope are respectively used for the inner lining layer and the outer layer.

The beneficial effects of the utility model are: the utility model is a Z-type copper wire armored photoelectric composite submarine cable, the cable is armored with copper wires, has low loss, can increase the carrying capacity of the cable, has good mechanical properties, and solves the problem of It eliminates the weakness that the round copper wire armor cannot withstand huge tensile force, and can also prevent the generation of gaps. It can protect the cable core from radial force damage in all directions without dead ends. Water-blocking powder is added between the armored copper wires, which can As the first line of defense for submarine cables to block water.

Description of drawings

Figure 1 is a schematic structural diagram of a Z-shaped copper wire armored optoelectronic composite submarine cable.

The marks of each component in the attached drawings are as follows: 1. Conductor; 2. Semiconducting tape; 3. Cross-linked conductor shielding layer; 4. Insulating layer; 5. Cross-linking insulating shielding layer; 6. Semiconducting resistance water tape; 7. Lead sheath; 8. Semi-conductive PE sheath; 9. Taping; 10. Filling strip; 11. Inner lining; 12. Copper wire armor; 13. Outer layer; 14. Optical unit.

Detailed ways

The preferred embodiments of the utility model will be described in detail below in conjunction with the accompanying drawings, so that the advantages and characteristics of the utility model can be more easily understood by those skilled in the art, so that the protection scope of the utility model can be defined more clearly .

Please refer to Fig. 1, the utility model embodiment comprises: a kind of Z-shaped copper wire armored photoelectric composite submarine cable, including: conductor 1, semiconductive belt 2, cross-linked conductor shielding layer 3, insulating layer 4, cross-linked type Insulation shielding layer 5, semi-conductive resistance water tape 6, lead sheath 7, semi-conductive PE sheath 8, wrapping tape 9, filling strip 10, inner lining layer 11, copper wire armor 12 and outer covering layer 13, said Conductor 1 is made of electrolytic copper with a purity of not less than 99.95%. It is made of annealed oxygen-free copper single wire. The water-blocking sealing structure adopts suitable water-blocking tapes to be twisted between each layer of the conductor to prevent seawater from entering the conductor after the cable is damaged.

The outside of the conductor 1 is connected to the cross-linked conductor shielding layer 3, the semiconductive tape 2 is located between the conductor 1 and the cross-linked conductor shielding layer 3, and the cross-linked conductor shielding layer The outside of the layer 3 is connected with the insulating layer 4, and the insulating layer 4 is an insulating layer of water-tree-resistant cross-linked polyethylene, which improves the service life of the cable.

The outside of the insulating layer 4 is connected to the cross-linked insulating shielding layer 5, and the cross-linked conductor shielding layer 3, the insulating layer 4 and the cross-linking insulating shielding layer 5 are made of TROESTER imports from Germany. Type three-layer co-extrusion cross-linking production line, equipped with advanced vulcanization calculation system, German SIKORA online deviation tester, conductor preheating device, raw material thousand-level clean room, wire core degassing room, the insulated wire core produced is uniform, Round and free of internal stress, it effectively guarantees the electrical insulation performance and eccentricity of the cable.

The outside of the cross-linked insulating shielding layer 5 is connected to the semiconducting resistance hose 6, and the outside of the semiconducting resistance hose 6 is connected to the lead sheath 7, and the lead sheath 7 is made of seamless The gold-lead sleeve is tightly applied on the vertical anti-seepage layer, which has good sealing and corrosion resistance.

The outside of the lead sheath 7 is connected to the semiconductive PE sheath 8, and the semiconductive PE sheath 8 can protect the cable core well and has a good radial water blocking effect.

The outside of the semi-conductive PE sheath 8 is connected to the tape 9, and the outside of the tape 9 is connected with the inner liner 11 and the outer layer 13 in turn, and the copper wire armor 12 is installed on the Between the inner lining layer 11 and the outer coating layer 13,

The loss of the copper wire armor 12 is much lower than that of the galvanized steel wire commonly used, which can increase the current carrying capacity of the cable. The copper wire armor 12 has good electrical conductivity and can act as a short-circuit discharge at the same time as the metal sheath. The role, and can be used as a grounding wire after short-circuiting with the metal sheath.

The copper wire armor 12 adopts anti-corrosion Z-shaped copper wire armor. The Z-shaped copper wire armor not only has good mechanical properties, can fully protect the cable from being damaged by external forces, but also can be used as the first water-blocking method for the submarine cable. Line of defense, and has good electrical conductivity.

The Z-shaped copper wire has better mechanical properties than the round copper wire, which avoids the weakness that the round copper wire armor cannot meet the huge tensile force when the submarine cable is laid.

When round monofilament armor is used, there will inevitably be gaps between monofilaments, and these gaps may become the Achilles heel of the submarine cable when it is subjected to radial forces. However, the use of Z-shaped copper wire armor can prevent The generation of the gap protects the cable core from being damaged by radial force in all directions without dead ends.

Water-blocking powder is added between the copper wires in the copper wire armor 12, which can be used as the first line of defense for submarine cable water-blocking.

The filling strip 10 is installed between the strap 9 and the inner liner 11, and the inner liner 11 and the outer layer 13 adopt one layer of PP rope and two layers of PP rope respectively, which can fully protect the The cable core is not damaged by said copper wire armor 12 and protects the cable from external damage.

A light unit 14 is installed in the filling strip 10 , and the filling strip 10 can protect the light unit 14 very well.

Compared with the prior art, the utility model is a Z-type copper wire armored optoelectronic composite submarine cable. The cable is armored with copper wires, has low loss, can increase the carrying capacity of the cable, has good mechanical properties, and solves the problem of The circular copper wire armor can not bear the weakness of huge tensile force, and can also prevent the generation of gaps. It protects the cable core from radial force damage in all directions without dead ends. Water-blocking powder is added between the armored copper wires, which can be used as The first line of defense for submarine cables to block water.

The above is only an embodiment of the utility model, and does not limit the patent scope of the utility model. Any equivalent structure or equivalent process conversion made by using the utility model specification and accompanying drawings, or directly or indirectly used in other Related technical fields are all included in the patent protection scope of the present utility model in the same way.

Claims (3)

1. A Z-type copper wire armored photoelectric composite submarine cable is characterized in that, comprising: conductor, semiconductive tape, cross-linked conductor shielding layer, insulating layer, cross-linked insulating shielding layer, semiconducting resistance water tape, Lead sheath, semi-conductive PE sheath, tape, filler strip, inner liner, copper wire armor and outer layer; The outside of the conductor is connected to the cross-linked conductor shielding layer, the semiconductive tape is located between the conductor and the cross-linked conductor shielding layer, and the outside of the cross-linked conductor shielding layer is connected to the The insulation layer is connected, the outside of the insulation layer is connected to the cross-linked insulating shielding layer, the outside of the cross-linked insulating shielding layer is connected to the semiconducting resistance hose, and the outside of the semiconducting resistance hose It is connected with the lead sheath, the outer part of the lead sheath is connected with the semi-conductive PE sheath, the outer part of the semi-conductive PE sheath is connected with the strap, and the outer part of the strap is sequentially connected with The inner lining layer and the outer coating layer, the copper wire armor is installed between the inner lining layer and the outer coating layer, and the filling strip is installed between the tape and the inner lining layer between; A light unit is installed in the filling strip; The copper wire armor adopts anti-corrosion Z-type copper wire armor; Water-blocking powder is added between the copper wires in the copper wire armor. 2. A Z-shaped copper wire armored optoelectronic composite submarine cable according to claim 1, characterized in that: the insulating layer is an insulating layer of water-tree-resistant cross-linked polyethylene. 3. A Z-shaped copper wire armored optoelectronic composite submarine cable according to claim 1, characterized in that: one layer of PP rope and two layers of PP rope are used for the inner lining layer and the outer layer respectively.