CN216119578U

CN216119578U - High-reliability oil-submersible pump cable

Info

Publication number: CN216119578U
Application number: CN202120954938.2U
Authority: CN
Inventors: 赵燕; 刘毅华
Original assignee: Guangzhou Star Conduction Technology Co ltd
Current assignee: Guangzhou Star Conduction Technology Co ltd
Priority date: 2021-04-29
Filing date: 2021-04-29
Publication date: 2022-03-22
Anticipated expiration: 2031-04-29

Abstract

The utility model discloses a high-reliability oil-submersible pump cable, wherein a high-temperature-resistant belting layer is sleeved outside a soft copper conductor, a high-performance insulating layer is arranged outside the high-temperature-resistant belting layer, a high-performance insulating layer, a high-strength filling rope and an aramid fiber central reinforcing rope are wrapped in a wrapping mode through a reinforcing belting layer, a metal-linked armor layer is arranged outside the reinforcing belting layer, and an outer protective sheath layer is extruded outside the metal-linked armor layer. The utility model has excellent electrical insulation performance, excellent physical and mechanical properties, environmental protection, good flexibility, high pressure resistance, water resistance, oil resistance, wear resistance, cutting resistance and other special properties, is not only used for matching with an oil-submerged pump, but also can be widely applied to relevant high-grade electric power implementation matching application requirements of ships, vehicles, mines, through tunnels, high-speed rail subway construction, nuclear power engineering and the like, and has excellent electrical performance, safety and reliability.

Description

High-reliability oil-submersible pump cable

Technical Field

The utility model relates to the technical field of cables, in particular to a high-reliability submersible pump cable.

Background

The near-submersible pump cable is mainly applied to deep well oil extraction in oil fields, and because the environment in an oil well is in the states of depth, high temperature and high pressure, and because of great oil-gas molecular structure escape and volatilization; so the corrosion to oil extraction equipment and objects in the well is very high. Because the oil pumping work matched with the oil-submerged pump must be ensured by a reliable power connection control system, the cable for the oil-submerged pump is a necessary power transmission matched carrier, bears the power utilization safety guarantee of a ground control system, and can ensure the operation safety of an oil well in the deep place and the oil-submerged pump. For convenient control and power transmission connect, the supporting cable of traditional oil-submersible pump is mostly flat structural design, and its flat cable is because the application that limits to insulating material, because there is the axial symmetry defect in the flat cable, when power transmission, can arouse the hysteresis loss because of the electromagnetic induction that the unbalance of magnetic field takes place, easily causes the cable body to generate heat and the atress is uneven, and the balancing force is poor, can also cause the fracture phenomenon of protective layer, brings unsafe factor for oil-submersible pump work. Accordingly, the present invention is directed to a high reliability submersible pump cable that solves the problems set forth in the background above.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a high-reliability submersible pump cable to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a high reliability oil-submersible pump cable, includes soft copper conductor, high temperature resistant band layer, high performance insulating layer, high strength packing rope, aramid fiber center reinforcing rope, strengthens the band layer, the chain armor of metal, outer protection restrictive coating, soft copper conductor is formed by the superfine anaerobic copper wire of the fine hank of stranded through the bunch hank, and soft copper conductor outside cover has high temperature resistant band layer, the high temperature resistant band layer outside is equipped with high performance insulating layer, and the high performance insulating layer, high strength packing rope and the aramid fiber center reinforcing rope outside adopt to strengthen the band layer around the package, and the outside on enhancement band layer is the chain armor of metal, and the crowded package of the outside of the chain armor of metal protects the restrictive coating.

As a further scheme of the utility model, the high temperature resistant belting layer is made of a polytetrafluoroethylene high temperature resistant material, namely PTEF.

As a further scheme of the utility model, the high-performance insulating layer is made of a PUR polyurethane insulating flexible material and is extruded outside the high-temperature-resistant wrapping tape by an extrusion process technology.

As a further aspect of the present invention, the high-strength filling rope is made of nylon.

In a still further aspect of the present invention, the reinforcing tape layer is made of polytetrafluoroethylene, i.e., F46.

As a still further aspect of the present invention, the metal-interlocked armor is an interlocking-technique armor.

As a further scheme of the utility model, the outer protective sheath layer is extruded outside the metal interlocking armor layer by adopting an extrusion process.

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

the utility model has excellent electrical insulation performance, excellent physical and mechanical properties, environmental protection, good flexibility, high pressure resistance, water resistance, oil resistance, wear resistance, cutting resistance and other special properties, is not only used for matching with an oil-submerged pump, but also can be widely applied to relevant high-grade electric power implementation matching application requirements of ships, vehicles, mines, through tunnels, high-speed rail subway construction, nuclear power engineering and the like, and has excellent electrical performance, safety and reliability.

Drawings

Fig. 1 is a cross-sectional view of a single conductor of a high reliability submersible pump cable.

Fig. 2 is a cross-sectional view of a high reliability submersible pump cable.

Fig. 3 is a schematic structural diagram of a high reliability submersible pump cable.

In the figure: 1. a soft copper conductor; 2. a high temperature resistant belting layer; 3. a high performance insulating layer; 4. a high strength filler rope;

5. aramid fiber central reinforcing ropes; 6. reinforcing the tape layer; 7. a metal-interlocked armor layer; 8. an outer protective jacket layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 3, in the embodiment of the utility model, a high-reliability submersible pump cable comprises a soft copper conductor 1, a high-temperature-resistant wrapping tape layer 2, a high-performance insulating layer 3, a high-strength filling rope 4, an aramid fiber central reinforcing rope 5, a reinforcing wrapping tape layer 6, a metal interlocking armor layer 7 and an outer protective sheath layer 8, wherein the soft copper conductor 1 is formed by twisting a plurality of fine twisted superfine oxygen-free copper wires, the high-temperature-resistant wrapping tape layer 2 is sleeved outside the soft copper conductor 1, the high-performance insulating layer 3 is arranged outside the high-temperature-resistant wrapping tape layer 2, the reinforcing wrapping tape layer 6 is adopted outside the high-performance insulating layer 3, the high-strength filling rope 4 and the aramid fiber central reinforcing rope 5, the metal interlocking armor layer 7 is arranged outside the reinforcing wrapping tape layer 6, and the outer protective sheath layer 8 is extruded outside the metal interlocking armor layer 7.

The soft copper conductor 1 is formed by bundling and twisting a plurality of strands of fine twisted superfine anaerobic copper wires, so that the flexibility and the electrical performance of the cable are fully ensured;

the high temperature resistant belting layer 2 is made of a polytetrafluoroethylene high temperature resistant material, namely PTEF, and the material has a temperature resistant grade with the temperature resistance up to 250 ℃, so that the physical and mechanical properties of the cable conductor are ensured;

the high temperature resistant belting layer 2 has the advantages of balancing the jumper defect of the conductor in the bundle twist, isolating the air gap formed between the conductor and the insulating layer, avoiding the phenomenon of partial discharge, acting as a balanced electric field and ensuring that the electrical property of the conductor is better.

The high-performance insulating layer 3 is made of PUR polyurethane insulating flexible material, and is extruded outside the high-temperature-resistant wrapping belt layer 2 through an extrusion process technology, so that the conductive wire core is comprehensively protected from water, temperature and oil;

the aramid fiber central reinforcing rope 5 has higher tensile force and bearing stress, is universally recognized to have higher tensile strength than a steel wire, and is widely used as a protective material;

the high-strength filling rope 4 is made of nylon tensile filling rope, so that the stability among the three conductive wire cores is fully protected, and the possible damage caused by contact friction of the three conductive wire cores is avoided;

the reinforcing tie layer 6 is made of polytetrafluoroethylene (F46), the reinforcing tie layer 6 has good oil resistance and high temperature resistance, and an F46 film belt is wrapped outside the cabled semi-finished insulating layer to prevent oil gas from corroding the insulating layer, so that the service life of the whole cable is ensured;

the metal interlocking armor layer 7 is an interlocking technology armor layer, ensures the external force impact resistance of the whole cable, and also ensures the flexible and flexible characteristic of the whole cable.

The outer protective sheath layer 8 is extruded outside the metal interlocking armor layer 7 by adopting an extrusion process, and comprehensively plays a comprehensive protection role in wear resistance, oil resistance, ageing resistance, water resistance, wear resistance, high/low temperature resistance and the like of the whole submersible pump cable.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A high-reliability submersible pump cable comprises a soft copper conductor (1), a high-temperature-resistant belting layer (2), a high-performance insulating layer (3), a high-strength filling rope (4), an aramid fiber central reinforcing rope (5), a reinforcing belting layer (6), a metal interlocking armor layer (7) and an outer protective sheath layer (8), it is characterized in that the soft copper conductor (1) is formed by twisting a plurality of strands of fine twisted superfine oxygen-free copper wires in a bundling manner, a high temperature resistant belting layer (2) is sleeved outside the soft copper conductor (1), high temperature resistant band layer (2) outside is equipped with high performance insulating layer (3), and high performance insulating layer (3), high strength filling rope (4) and aramid fiber center are strengthened the rope (5) outside and are adopted enhancement band layer (6) around the package, and the outside of strengthening band layer (6) is chain armor (7) of metal, and the crowded package of the outside of chain armor (7) of metal protects restrictive coating (8) outward.

2. The high-reliability submersible pump cable according to claim 1, characterized by that the high-temperature-resistant belting layer (2) is made of high-temperature-resistant Polytetrafluoroethylene (PTEF).

3. The high-reliability submersible pump cable according to claim 1, characterized in that the high-performance insulation layer (3) is a PUR polyurethane insulation flexible material, and is extruded outside the high-temperature-resistant belting layer (2).

4. The high reliability submersible pump cable of claim 1 where the high strength filler rope (4) is nylon material.

5. The high reliability submersible pump cable of claim 1 where the reinforcing tape layer (6) is made of teflon (F46).

6. The high reliability submersible pump cable of claim 1 where the metal interlocking armor (7) is an interlocking technical armor.

7. The high-reliability submersible pump cable according to claim 1, characterized in that the outer protective sheath (8) is extruded outside the metal interlocking armor layer (7) by an extrusion process.