CN202650596U

CN202650596U - Integrated cables for oil exploration equipment

Info

Publication number: CN202650596U
Application number: CN201220355743.7U
Authority: CN
Inventors: 郑淼; 王会林; 廖晓东; 陈珊; 孙磊; 束忠林
Original assignee: Anhui Guodian Cable Group Co Ltd
Current assignee: Anhui Guodian Cable Group Co Ltd
Priority date: 2012-07-20
Filing date: 2012-07-20
Publication date: 2013-01-02
Anticipated expiration: 2022-07-20

Abstract

The utility model discloses a composite cable used for oil exploitation equipment. The composite cable is characterized in that a power unit, a coaxial cable and a pair-twisted unit are twisted together to form a cable core, and a polyester belt layer formed through lapping, an inner sheath layer formed through extrusion, a total shielding layer formed by tinned copper wire braiding and an outer sheath layer formed through the extrusion are sequentially arranged on the cable core from inside to outside. According to the composite cable, cables of the power unit, a communication unit and an instrument unit are integrated, on the basis that performance is guaranteed, weight of the cable is reduced, improvement of the electrification level of an oil exploitation platform is benefited, and electrical safety, reliability and advancement of such equipment are improved.

Description

Oil exploitation equipment composite cable

Technical field

The utility model relates to a kind of electrical equipment cable, relates in particular to a kind of oil exploitation equipment and uses composite cable, belongs to technical field of electric wires and cables.

Background technology

At present, for the safety and reliability of electric property, generally speaking power, control and telecommunication cable isolation are laid in the equipment of oil platform electrical control both at home and abroad, perhaps increase screen at the construction of cable, reduce the interference between the different cables.But because the space that but current supply cable lays on the oil platform is very narrow and small, not only lay trouble according to traditional system of laying, increased corresponding cost, be unfavorable for simultaneously increasing the load of platform nominal operation.

Summary of the invention

The utility model is for avoiding the existing weak point of above-mentioned prior art, a kind of oil exploitation equipment composite cable is provided, electric power, communication and three unit cables of instrument are incorporated into one, alleviate cable weight on the basis of guaranteed performance, be beneficial to improve the electrified level that oil is adopted out platform, improve electrical security, reliability and the advance of such equipment.

The utility model technical solution problem adopts following technical scheme:

The utility model oil exploitation equipment is to have in the described composite cable with the design feature of composite cable: coaxial cable, pair twist unit and power unit;

Described coaxial cable is the aluminium-plastic tape that sets gradually from inside to outside the plastic insulating layer that extrudes formation, wrapped formation on copper conductor, the coaxial cable tinned copper wire screen that braiding forms and the sheath that extrudes formation;

Described pair twist unit is with wrapped pair twist unit belting layer behind two conductor pair twist strandings that are respectively equipped with insulating barrier, forms pair twist unit tinned copper wire screen in the braiding of described pair twist unit belting layer;

Described power unit is to extrude electric power core plastic insulating layer at the electric power core conductor to consist of the electric insulation core, wrapped power unit belting layer behind three electric insulation core twisted synthesizing cables forms power unit tinned copper wire screen in described power unit belting layer braiding;

One group of power unit, a coaxial cable and one group of pair twist unit are twisted into cable core jointly, set gradually from inside to outside total screen of the polyester belt of wrapped formation, the sheath that extrudes formation, tinned copper wire braiding formation and extrude the external sheath layer that forms on described cable core.

The utility model oil exploitation equipment also is with the design feature of composite cable:

The sectional area of described electric power core conductor is 1.0 mm ², 1.5 mm ², 2.5 mm ²Or 4mm ²

The count of described coaxial cable tinned copper wire screen, pair twist unit tinned copper wire screen and power unit tinned copper wire screen is not less than 85%; The count of described total screen is not less than 80%.

Described external sheath layer is to extrude formation take polyester elastomer or fire-retardant cross-linking radiation polyolefin plastics as material.

Compared with the prior art, the utility model beneficial effect is embodied in:

1, the utility model is incorporated into one with electric power, communication and three unit cables of instrument, alleviate cable weight on the basis of guaranteed performance, be beneficial to improve the electrified level that oil is adopted out platform, improve electrical security, reliability and the advance of such equipment.

2, the utility model power line core conductor sectional area is 1.0-4mm ², the construction of cable is optimized, Stability Analysis of Structures;

3, screen density is not less than 80% in the utility model, has good anti-electromagnetic interference effect;

4, sheath material adopts polyester elastomer material or cross-linking radiation polyolefine material in the utility model, and it has the function admirables such as fire-retardant, anti-mud, oil resistant, and has the characteristic of environmental protection.

Description of drawings

Fig. 1 is the utility model structural representation.

Number in the figure: 1a copper conductor, 1b conductor, 1c electric power core conductor, the 2a plastic insulating layer, 2b insulating barrier, 2c electric power core plastic insulating layer, 3 aluminium-plastic tapes, 4a coaxial cable tinned copper wire screen, 4b pair twist unit tinned copper wire screen, 4c power unit tinned copper wire screen, 5 sheaths, 6a pair twist unit belting layer, 6b power unit belting layer, 7 polyester belts, 8 sheaths, 9 total screens, 10 external sheath layers.

Embodiment

Referring to Fig. 1, present embodiment PetroChina Company Limited. Mining Equipment has coaxial cable, pair twist unit and power unit with composite cable;

As shown in Figure 1, coaxial cable is the aluminium-plastic tape 3 that sets gradually from inside to outside the plastic insulating layer 2a that extrudes formation, wrapped formation on copper conductor 1a, the coaxial cable tinned copper wire screen 4a that braiding forms and the sheath 5 that extrudes formation;

The pair twist unit is with wrapped pair twist unit belting layer 6a behind two conductor 1b pair twist strandings that are respectively equipped with insulating barrier 2b, forms pair twist unit tinned copper wire screen 4b in pair twist unit belting layer 6a braiding;

Power unit is to extrude electric power core plastic insulating layer 2c at electric power core conductor 1c to consist of the electric insulation core, wrapped power unit belting layer 6b behind three electric insulation core twisted synthesizing cables forms power unit tinned copper wire screen 4c in power unit belting layer 6b braiding;

One group of power unit, a coaxial cable and one group of pair twist unit are twisted into cable core jointly, set gradually from inside to outside total screen 9 of the polyester belt 7 of wrapped formation, the sheath 8 that extrudes formation, tinned copper wire braiding formation and extrude the external sheath layer 10 that forms on cable core.

In the implementation, the sectional area of electric power core conductor 1c is 1.0 mm ², 1.5 mm ², 2.5 mm ²Or 4mm ²The count of coaxial cable tinned copper wire screen 4a, pair twist unit tinned copper wire screen 4b and power unit tinned copper wire screen 4c is not less than 85%; The count of total screen 9 is not less than 80%; External sheath layer 10 is to extrude formation take polyester elastomer or fire-retardant cross-linking radiation polyolefin plastics as material.

Claims

1. The integrated cable for oil exploitation equipment is characterized in that the integrated cable includes: a coaxial cable, a twisted pair unit and a power unit;

The coaxial cable consists of a plastic insulation layer (2a) formed by extruding and wrapping, an aluminum-plastic composite tape (3) formed by wrapping, and a coaxial cable formed of braided tinned copper on the copper conductor (1a) from inside to outside. Wire shielding layer (4a) and sheath (5) formed by extrusion;

The pair-twisted unit is formed by twisting two conductors (1b) respectively provided with insulating layers (2b) into a cable and then wrapping the pair-twisted unit tape layer (6a), and wrapping the pair-twisted unit tape layer (6a ) braided to form a twisted unit tinned copper shielding layer (4b);

The power unit is formed by extruding the power core plastic insulating layer (2c) on the power core conductor (1c) to form a power insulated wire core. Three power insulated wire cores are twisted into a cable and then wrapped around the power unit with a tape layer (6b). The power unit wrapping layer (6b) is braided to form a tinned copper wire shielding layer (4c) of the power unit;

A group of power units, a coaxial cable and a group of twisted units are twisted together to form a cable core. On the cable core, a polyester tape layer (7) formed by wrapping and an inner layer formed by extrusion are arranged in sequence from the inside to the outside. The sheath (8), the overall shielding layer (9) formed by braiding tinned copper wires and the outer sheath layer (10) formed by extruding.

2. The integrated cable for oil exploitation equipment according to claim 1, characterized in that the cross-sectional area of the power core conductor (1c) is 1.0 mm ² , 1.5 mm ² , 2.5 mm ² or 4 mm ² .

3. The comprehensive cable for oil exploitation equipment according to claim 1, characterized in that the tinned copper wire shielding layer (4a) of the coaxial cable, the tinned copper wire shielding layer (4b) of the twisted unit and the plated copper wire of the power unit The braiding density of the tin-copper wire shielding layer (4c) is not less than 85%; the braiding density of the total shielding layer (9) is not less than 80%.

4. The integrated cable for oil exploitation equipment according to claim 1, characterized in that the outer sheath layer (10) is formed by extruding polyester elastomer or flame-retardant radiation cross-linked polyolefin plastic .