CN208478011U - A kind of resistance to deformation power cable - Google Patents

Abstract

The utility model discloses a kind of resistance to deformation power cables, comprising: several conductors, several interior insulation units, liner layer, armouring, outer layer protective sleeve；Interior insulation unit is mounted between several conductors；Liner layer wraps up conductor and interior insulation unit；Armouring is wrapped in the outside of liner layer；Armouring is made of a plurality of armoury wire；There are two not parallel sides in the figure that the cross section of armoury wire is formed；Outer layer protective sleeve is wrapped in the outside of the armouring.It is beneficial in that and provides a kind of resistance to deformation power cable.

Description

A kind of resistance to deformation power cable

Technical field

The utility model relates to a kind of resistance to deformation power cables.

Background technique

The armouring of power cable is made for protecting cable inner core of the higher material of physical strength.

The cross section of common power cable armoury wire is circle, and there are biggish gaps between armoury wire two-by-two.This What the non-deformabilities such as tension, the resistance to compression of the power cable of sample relied primarily on is the physical property of material itself, is not applied for Under rail, the biggish adverse circumstances of pulling force, pressure such as deep-sea.

Summary of the invention

A kind of resistance to deformation power cable, comprising: several conductors, several interior insulation units, liner layer, armouring, outer layer protection Set；The interior insulation unit is mounted between several described conductors；Liner layer wraps up conductor and interior insulation unit, conductor and interior Insulating unit is in cable Inner Constitution cable inner core；The armouring is wrapped in the outside of the liner layer；Armouring is by a plurality of uniform The armoury wire of distribution forms；There are two not parallel sides in the figure that the cross section of armoury wire is formed；Outer layer protective sleeve package In the outside of armouring.

Further, armoury wire is staggeredly placed two-by-two.

Further, the cross section of armoury wire is trapezoidal.

Further, the ratio of the outer perimeter of the cross section of the perimeter and outer layer protective sleeve of the cross section of cable inner core entirety Value range be 0.15-0.6.

Further, the value range of the ratio of the cross-sectional area of the cross-sectional area and power cable of single conductor is 0.1- 0.4。

Further, armouring includes a plurality of armoury wire, and armoury wire cross section is circle, the diameter and power cable of armoury wire Cross section diameter ratio value range 0.02-0.06.

Further, the value range of the ratio of the quality of the quality and armouring of conductor is 0.2-0.7.

Further, armouring includes a plurality of armoury wire, and the ratio of the number of number of conductor and armoury wire is 0.01-0.1.

Further, armouring includes a plurality of armoury wire, and armoury wire cross section is circle, the diameter of armoury wire and liner layer The value range of the ratio of thickness is 0.6-1.6.

Further, armoury wire is aluminium clad steel wire.

The utility model has the beneficial effect that

Provide a kind of resistance to deformation power cable.

Detailed description of the invention

Fig. 1 is a kind of schematic diagram of power cable of the utility model；

Fig. 2 is the schematic diagram of the conductor of power cable and interior insulation unit in Fig. 1；

Fig. 3 is the schematic diagram of the utility model another kind power cable；

Fig. 4 is 2 line power cable inner core schematic cross-sections；

Fig. 5 is another 2 line power cable inner core schematic cross-sections；

Fig. 6 is a kind of 4 line power cable inner core schematic cross-sections；

Fig. 7 is the schematic diagram of the utility model another kind power cable；

Fig. 8 is a kind of schematic diagram of power cable armouring of the utility model；

Fig. 9 is a kind of partial enlarged view of armouring of the utility model；

Figure 10 is the schematic diagram of the utility model another kind power cable.

Power cable 10, conductor 111, interior insulation unit 112, liner layer 12, armouring 13, armoury wire 131, outer layer protective sleeve 14。

Specific embodiment

As shown in Figure 1 to Figure 2, a kind of power cable 10, comprising: cable inner core, several conductors 111, several interior insulation lists First 112, liner layer 12, armouring 13, outer layer protective sleeve 14.

Cable inner core is made of conductor 111 and interior insulation unit 112.

Interior insulation unit 112 makes mutually non-conductive, electric leakage between conductor 111.

As optional embodiment, as shown in Fig. 2, interior insulation unit 112 is insulation sleeve.Insulation sleeve wraps up single conductor Periphery.

As another optional embodiment, interior insulation unit 112 is mounted between several conductors.As shown in figure 3, In the power cable of 3 lines, the cross-sectional shape of interior insulation unit 112 is generally in Y-shaped.

Conductor 111 is solid conductor, and solid conductor can be made of materials such as copper, silver.Solid conductor is thin compared to a plurality of The conductor of conducting wire composition, in the case where the other parameters such as actual cross-sectional area remain unchanged, due to effective cross of solid conductor Sectional area is maximum, and overcurrent capability is also maximum.It, can be more electric than other electric power of same size using the power cable of solid conductor Cable possesses bigger current carrying capacity.

The cross section sizes of several conductors 111 in cable inner core, shape according to particular order in the case where splicing, energy Enough form a circle generally.

As shown in Figure 4, Figure 5, in the power cable of 2 lines, since the electric current passed through on 2 conductors is in majority of case Under be all consistent, at this point, the cross section of single conductor 111 can be configured to " semicircle " of same size, 2 " semicircles It is rounded after shape " splicing.

It is as also shown in fig. 1, in the power cable of 3 lines, the angled fan for being 120 ° in the cross section of single conductor 111 Shape, and the cross-sectional area between each conductor is identical, it is rounded after 3 fan-shaped splicings.

As also shown in fig. 6, in the power cable of various lines, the cross section of single conductor 111, which can according to need, to be set It is set to different shapes.But the figure that the cross section of each conductor is spliced to form, it is generally circular.

It is circular traditional cable compared to identical line footpath, conductors cross using the cable of such setting, it can be most Bigization land productivity cable inner space, to obtain maximum conductor cross-sectional area.So that identical line footpath size under, electricity Power cable can carry bigger electric current.

As shown in fig. 7, as optional embodiment, hollow region is set in the inside of some or certain several solid conductors 114。

Optical fiber can be set in these hollow regions 114, be used for transmission optical signal.Or in these hollow regions 114 Filling gas, liquid, which perhaps keep vacuum state that can also play, prevents the component part of cable or cable since heat expansion is cold Deformation caused by contracting.

Liner layer 12 is wrapped in the periphery of cable inner core, plays a protective role to cable inner core.Liner layer 12 generally uses Insulating materials is made.

Armouring 13 is wrapped in the outside of liner layer.

Armouring 13 is used to improve the external performance of power cable, resistance to compression, tensile capacity including power cable.If armouring material Material uses metal material, additionally it is possible to improve the electromagnetic shielding performance of power cable.

Traditional power cable, in order to improve tension, the anti-pressure ability of cable, armouring can be anti-using aluminium Baogang core etc. The good material of pressure, pull resistance.

The armouring 13 of the utility model includes several evenly distributed armoury wires 131, and the material of armoury wire 131 can be Tension, resistance to compression metal such as aluminium clad steel wire, are also possible to the nonmetallic materials such as nylon.

There are two not parallel sides in the figure that the cross section of armoury wire 131 is formed.The shape of armouring 131 can be three It is angular, trapezoidal, there are the quadrangles on two not parallel sides etc..

As shown in figure 9, as an alternative embodiment, the image that the cross section of armoury wire 131 is formed is trapezoidal.Ladder Shape is compared to parallelogram, and structure is more stable, and (parallelogram then can be with random variation at the flat of another different interior angle Row quadrangle).Therefore, such cable has more outstanding tension, compressive property.

Two adjacent armoury wires 131 are staggered: the cross section of two neighboring armoury wire composition can be regarded as by two The figure of a identical trapezoidal similar parallelogram being spliced into a reverse direction.Using such design, armour can be made It is fitted closely between wiring, improves the hardness and stability of entire armor, to further promote the tension of cable, resistance to compression energy Power.

Outer layer protective sleeve 14 is wrapped in the outside of armouring, primarily serves the effect of insulation, waterproof.

Outer layer protective sleeve 14 is combined with armouring 13, plays the role of waterproof, anticorrosion, lightning protection, protection against rodents, fire-retardant, lightning protection, has Effect ensure that the stable operation of electric system.

It is as shown in Figure 10 a kind of power cable of the utility model, comprising: several conductors 111, several interior insulation units 112, liner layer 12, armouring 13, outer layer protective sleeve 14.Wherein, conductor 111 is solid conductor, and conductor is provided with hollow area Domain 114.

In the present embodiment, hollow region 114 is provided with optical fiber, is used for transmission optical signal.It include several armours in armouring 13 The cross-sectional shape of wiring 131, armoury wire 131 is trapezoidal, and is staggered between any two.

Power cable in the present embodiment, being capable of simultaneous transmission optical signal and electric current.And it is staggered in its armor Trapezoidal armoury wire greatly improve the non-deformability of this cable.Can be suitable for rail under, deep-sea iso-stress it is larger Adverse circumstances electric energy and optical signal transmission.

As a preferred embodiment, the perimeter and outer layer protective sleeve 14 of the whole cross section that cable inner core is constituted Cross section outer perimeter ratio value range be 0.15-0.6.

As a preferred embodiment, the cross-sectional area of the cross-sectional area and power cable 10 of single conductor 111 The value range of ratio is 0.1-0.4.

As a preferred embodiment, armouring 13 includes a plurality of armoury wire 131,131 cross section of armoury wire is circle, The value range 0.02-0.06 of the ratio of the diameter of the cross section of the diameter and power cable 10 of armoury wire 131.

As a preferred embodiment, the quality of conductor 111 and the value range of the ratio of the quality of armouring 13 are 0.2-0.7。

As a preferred embodiment, the number of conductor 111 is even number, and it is symmetrical arranged.

As a preferred embodiment, conductor 111 is sector.

As a preferred embodiment, armouring 13 includes a plurality of armoury wire 131, the number and armoury wire of conductor 111 The ratio of 131 number is 0.01-0.1.

As a preferred embodiment, armouring 13 includes a plurality of armoury wire 131,131 cross section of armoury wire is circle, The value range of the ratio of the thickness of the diameter and liner layer 12 of armoury wire is 0.6-1.6.

The basic principles and main features and advantage of the utility model have been shown and described above.The technical staff of the industry It should be appreciated that above-described embodiment does not limit the utility model in any form, it is all by the way of equivalent substitution or equivalent transformation Technical solution obtained, all falls in the protection scope of the utility model.

Claims (10)

1. a kind of resistance to deformation power cable characterized by comprising

Several conductors, several interior insulation units, liner layer, armouring, outer layer protective sleeve；

The interior insulation unit is mounted between the conductor；

The liner layer wraps up the conductor and interior insulation unit, the conductor and interior insulation unit in cable Inner Constitution cable Inner core；

The armouring is wrapped in the outside of the liner layer；

The armouring is made of a plurality of armoury wire；

There are two not parallel sides in the figure that the cross section of the armoury wire is formed；

The outer layer protective sleeve is wrapped in the outside of the armouring.

2. power cable according to claim 1, it is characterised in that:

Armoury wire is staggeredly placed two-by-two.

3. power cable according to claim 1, it is characterised in that:

The cross section of the armoury wire is trapezoidal.

4. power cable according to claim 1 to 3, it is characterised in that:

The perimeter of cross section of the cable inner core entirety and taking for the ratio of the outer perimeter of the cross section of the outer layer protective sleeve Value range is 0.15-0.6.

5. power cable according to claim 1 to 3, it is characterised in that:

The value range of the ratio of the cross-sectional area of the cross-sectional area and power cable of the single conductor is 0.1-0.4.

6. power cable according to claim 1 to 3, it is characterised in that:

The armouring includes a plurality of armoury wire, and the armoury wire cross section is circle, the diameter of the armoury wire and the electric power The value range 0.02-0.06 of the ratio of the diameter of the cross section of cable.

7. power cable according to claim 1 to 3, it is characterised in that:

The value range of the ratio of the quality of the conductor and the quality of the armouring is 0.2-0.7.

8. power cable according to claim 1 to 3, it is characterised in that:

The armouring includes a plurality of armoury wire, and the ratio of the number of the number of conductor and the armoury wire is 0.01-0.1.

9. power cable according to claim 1 to 3, it is characterised in that:

The armouring includes a plurality of armoury wire, the value range of the diameter of the armoury wire and the ratio of the thickness of the liner layer For 0.6-1.6.

10. power cable according to claim 1 to 3, it is characterised in that:

The armoury wire is aluminium clad steel wire.