CN210984350U

CN210984350U - Cable containing carbon fiber composite core for electric power

Info

Publication number: CN210984350U
Application number: CN201922285950.4U
Authority: CN
Inventors: 刘利明
Original assignee: Qingdao Yansanhi Cable Technology Co ltd
Current assignee: Qingdao Yansanhi Cable Technology Co ltd
Priority date: 2019-12-18
Filing date: 2019-12-18
Publication date: 2020-07-10
Anticipated expiration: 2029-12-18

Abstract

The utility model relates to the technical field of power transmission, in particular to a cable containing carbon fiber composite core for electric power, which comprises a cable main body, a cable line and an outer sheath layer, wherein a cable tightening band is arranged inside the cable main body, a cable line is fixedly arranged inside the cable tightening band, a filling layer is arranged between the cable line and the cable tightening band, the cable line comprises a carbon fiber composite core, an aluminum stranded wire, an inner insulating layer and an inner sheath layer, the outer side of the carbon fiber composite core is fixedly sleeved with the aluminum stranded wire, the outer side of the aluminum stranded wire is fixedly sleeved with the inner insulating layer, the outer side of the inner insulating layer is fixedly sleeved with the inner sheath layer, the outer side of the cable main body is fixedly sleeved with the outer insulating layer, the outer side of the outer insulating layer is fixedly sleeved with a shielding layer, the outer side of the shielding layer is fixedly sleeved with a waterproof layer, and the stability and the practicability are higher, and certain popularization value is realized.

Description

Cable containing carbon fiber composite core for electric power

Technical Field

The utility model relates to a power transmission technical field specifically is a cable of compound core of carbon fiber for electric power.

Background

The power cable is used for transmitting and distributing electric energy, is commonly used for urban underground power grids, power station leading-out lines, power supply inside industrial and mining enterprises and power transmission lines under river-crossing seawater, and has a gradually increasing proportion in the power line. Power cables are cable products used in the trunk lines of power systems to transmit and distribute high power electrical energy.

The existing power cable mostly adopts steel core aluminum hinged wires, the tensile strength of the cable is not high, the power through-flow capacity is not strong, the multi-environment use requirements cannot be met in the power grid construction, the applicability is not strong in a special environment, and therefore the current situation is changed by the cable with the carbon fiber composite core for power.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cable of compound core of carbon fiber for electric power to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a cable containing carbon fiber composite core for electric power comprises a cable main body, a cable line and an outer sheath layer, wherein a cable tightening binding belt is arranged inside the cable main body, the cable tightening binding belt is fixedly installed inside the cable line, a filling layer is arranged between the cable line and the cable tightening binding belt, the cable line comprises a carbon fiber composite core, an aluminum stranded wire, an inner insulating layer and an inner sheath layer, the outer side of the carbon fiber composite core is fixedly sleeved with the aluminum stranded wire, the outer side of the aluminum stranded wire is fixedly sleeved with the inner insulating layer, the outer side of the inner insulating layer is fixedly sleeved with the inner sheath layer, the outer side of the cable main body is fixedly sleeved with an outer insulating layer, the outer side of the outer insulating layer is fixedly sleeved with a shielding layer, the outer side of the shielding layer is fixedly sleeved with a waterproof layer, the outer side of the waterproof layer is fixedly sleeved with a fireproof layer, the outer, and a reinforcing piece is fixedly arranged in the outer sheath layer.

Preferably, the cross section of the aluminum stranded wire is of a trapezoidal structure, and a plurality of groups of aluminum stranded wires are arranged and surround the outer layer of the carbon fiber composite core.

Preferably, the reinforcing members are provided with six groups, and the reinforcing members are uniformly and annularly arranged inside the outer sheath layer respectively.

Preferably, the shielding layer is braided by using tinned copper.

Preferably, the cables are provided with a plurality of groups and fixedly installed inside the cable bundling and tightening cable tie.

Preferably, the outer sheath layer and the inner sheath layer are made of flame-retardant polyvinyl chloride materials.

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

1. the utility model discloses in, through the carbon-fibre composite core and the reinforcement that set up, what traditional cable adopted is that the steel core bears cable gravity itself, wind-force, mechanical forces such as wire stress, and carbon-fibre composite core carbon fiber is the formation of centre layer and glass fiber cladding, impact resistance has, tensile stress and bending stress bearing capacity are big, the weight of cable has been alleviateed, the intensity of cable has been increased, and the reinforcement that the inside annular of oversheath distributes increases cable bulk strength, make the cable lay when using, have the low sag, intensity is high and the good characteristics of anti tensile properties.

2. The utility model discloses in, through the aluminum stranded conductor that sets up, the aluminum stranded conductor cross section is trapezium structure, and is equipped with the multiunit, encircles at carbon-fibre composite core skin, and is bigger than conventional circular aluminum stranded conductor cross-sectional area under the same circumstances of total cross-section, and the quantity of aluminium will go out more 20% -30%, has increased electrically conductive area for the cable has stronger through-flow capacity, transmits more electric power under the same external diameter when using.

3. The utility model discloses in, through the shielding layer and the armoring layer that set up, the electric current that power cable passes through is bigger, can produce magnetic field around the electric current, in order not to influence other component, the shielding layer can shield this kind of electromagnetic field in the cable, and when the cable oversheath layer is damaged, prevents through the armor that the inner cable main part from receiving the erosion for when the cable uses, can be better protect.

Drawings

Fig. 1 is a schematic cross-sectional view of the whole of the present invention;

fig. 2 is a schematic cross-sectional view of the cable of the present invention.

In the figure: 1-a cable main body, 2-a cable conductor, 3-a filling layer, 4-a cable bundling ribbon, 5-an outer insulating layer, 6-a shielding layer, 7-a waterproof layer, 8-a fire-resistant layer, 9-a jacket layer, 10-an outer sheath layer, 11-a reinforcing member, 12-a carbon fiber composite core, 13-an aluminum stranded wire, 14-an inner insulating layer and 15-an inner sheath layer.

Detailed Description

The technical solution 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 some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution:

a cable containing carbon fiber composite core for electric power comprises a cable body 1, a cable conductor 2 and an outer sheath layer 10, wherein a bundling ribbon 4 is arranged inside the cable body 1, the cable conductor 2 is fixedly arranged inside the bundling ribbon 4, a plurality of groups of cable conductors 2 are arranged in the cable conductor 2, the cable conductor 2 and the bundling ribbon 4 are fixedly arranged inside the bundling ribbon 4, a filling layer 3 is arranged between the cable conductor 2 and the bundling ribbon 4, the cable conductor 2 comprises a carbon fiber composite core 12, an aluminum stranded wire 13, an inner insulating layer 14 and an inner sheath layer 15, the traditional cable adopts a steel core to bear mechanical forces such as gravity, wind power, wire stress and the like of the cable, the carbon fiber composite core 12 is formed by coating a central layer and glass fiber, the cable has the advantages of strong impact resistance, large bearing capacity of tensile stress and bending stress, the weight of the cable is reduced, the strength of the cable is increased, the outer side of the carbon fiber composite, the cross section of the aluminum stranded wire 13 is of a trapezoid structure and is provided with a plurality of groups, the aluminum stranded wire surrounds the outer layer of the carbon fiber composite core 12, the cross section area is larger than that of a conventional round aluminum stranded wire under the condition that the total cross section is the same, the consumption of aluminum is increased by 20-30%, the conductive area is increased, so that the cable has stronger through-flow capacity and transmits more electric power under the same outer diameter when in use, the outer side of the aluminum stranded wire 13 is fixedly sleeved with an inner insulating layer 14, the outer side of the inner insulating layer 14 is fixedly sleeved with an inner sheath layer 15, the outer side of the cable main body 1 is fixedly sleeved with an outer insulating layer 5, the outer side of the outer insulating layer 5 is fixedly sleeved with a shielding layer 6, the shielding layer 6 is woven by tin-plated copper, the passing current of the power cable is larger, a magnetic field can be generated around the current, the shielding layer 6 can shield, a fireproof layer 8 is fixedly sleeved outside the waterproof layer 7, a mounting layer 9 is fixedly sleeved outside the fireproof layer 8, and when the cable outer sheath layer 10 is damaged, the armor layer 9 is used for preventing the inner cable body 1 from being corroded, so that when the cable is used, the outer side of the armor layer 9 can be better protected, the outer sheath layer 10 is fixedly sleeved, the outer sheath layer 10 and the inner sheath layer 15 are both made of flame-retardant polyvinyl chloride materials, when the cable sheath layer 10 is broken, the inner cable body 1 is prevented from being corroded by the armor layer 9, when the cable is used, the cable can be better protected, the reinforcing members 11 are fixedly arranged in the outer sheath layer 10, six groups of the reinforcing members 11 are arranged, and are uniformly and annularly arranged in the outer sheath layer 10 respectively, so that the overall strength of the cable is increased, when the cable is laid for use, the high-strength high-tensile-resistance steel has the characteristics of low sag, high strength and good tensile resistance, and has certain popularization value.

The utility model discloses a work flow: when the cable is used, through the arranged carbon fiber composite core 12 and the reinforcing member 11, the traditional cable adopts the steel core to bear the mechanical force of the cable such as gravity, wind power, wire stress and the like, the carbon fiber composite core 12 is formed by the central layer and the glass fiber in a coating manner, the cable has the characteristics of strong impact resistance, large tensile stress and bending stress bearing capacity, the weight of the cable is lightened, the strength of the cable is increased, and the reinforcing member 11 which is annularly distributed in the outer sheath layer 10 increases the overall strength of the cable, so that the cable has the characteristics of low sag, high strength and good tensile resistance when being laid and used, through the arranged aluminum stranded wires 13, the cross sections of the aluminum stranded wires 13 are of a trapezoidal structure and are provided with a plurality of groups which are encircled on the outer layer of the carbon fiber composite core 12, the cross section is larger than that of a conventional round aluminum stranded wire under the condition that the total section is the, increased electrically conductive area, make the cable when using, under the same external diameter, stronger current capacity has, transmit more electric power, shielding layer 6 and armoring layer 9 through the setting, the electric current that power cable passes through is bigger, can produce magnetic field around the electric current, in order not to influence other component, shielding layer 6 can shield this kind of electromagnetic field in the cable, and when cable oversheath layer 10 was damaged, prevent that inside cable main part 1 from receiving the erosion through armor layer 9, when making the cable use, can be better protect, certain spreading value has.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a cable of compound core of carbon fiber for electric power, includes cable main part (1), cable conductor (2) and oversheath layer (10), its characterized in that: the cable comprises a cable body (1), wherein the cable body is internally provided with a bundling ribbon (4), the bundling ribbon (4) is internally and fixedly provided with a cable (2), the cable (2) and the bundling ribbon (4) are provided with a filling layer (3), the cable (2) comprises a carbon fiber composite core (12), an aluminum stranded wire (13), an inner insulating layer (14) and an inner sheath layer (15), the carbon fiber composite core (12) is fixedly sleeved with the aluminum stranded wire (13), the aluminum stranded wire (13) is fixedly sleeved with the inner insulating layer (14), the outer insulating layer (14) is fixedly sleeved with the inner sheath layer (15), the outer insulating layer (5) is fixedly sleeved with the outer insulating layer (5), the outer insulating layer (5) is fixedly sleeved with a shielding layer (6), the outer side of the shielding layer (6) is fixedly sleeved with a waterproof layer (7), the fireproof layer (8) is fixedly sleeved on the outer side of the waterproof layer (7), the armoring layer (9) is fixedly sleeved on the outer side of the fireproof layer (8), the outer sheath layer (10) is fixedly sleeved on the outer side of the armoring layer (9), and the reinforcing piece (11) is fixedly installed inside the outer sheath layer (10).

2. The cable containing a carbon fiber composite core for electric power according to claim 1, wherein: the cross section of the aluminum stranded wire (13) is of a trapezoidal structure, and a plurality of groups of aluminum stranded wires are arranged and surround the outer layer of the carbon fiber composite core (12).

3. The cable containing a carbon fiber composite core for electric power according to claim 1, wherein: six groups of reinforcing members (11) are arranged, and the reinforcing members are uniformly and annularly arranged inside the outer sheath layer (10) respectively.

4. The cable containing a carbon fiber composite core for electric power according to claim 1, wherein: the shielding layer (6) is formed by weaving tinned copper.

5. The cable containing a carbon fiber composite core for electric power according to claim 1, wherein: the cable (2) is provided with a plurality of groups and is fixedly arranged inside the cable bundling ribbon (4).

6. The cable containing a carbon fiber composite core for electric power according to claim 1, wherein: the outer sheath layer (10) and the inner sheath layer (15) are both made of flame-retardant polyvinyl chloride materials.