CN210984350U - A kind of electric power cable containing carbon fiber composite core - Google Patents

Abstract

The utility model relates to the technical field of power transmission, in particular to a power cable containing a carbon fiber composite core, comprising a cable main body, a cable wire and an outer sheath layer. A cable wire is fixedly installed inside the tightening strap, and a filler layer is arranged between the cable wire and the tightening strap, and the cable wire includes a carbon fiber composite core, an aluminum stranded wire, an inner insulating layer and an inner sheath layer, The outer fixing sleeve of the carbon fiber composite core is provided with an aluminum stranded wire, the outer fixing sleeve of the aluminum stranded wire is provided with an inner insulating layer, the outer fixing sleeve of the inner insulating layer is provided with an inner sheath layer, and the outer fixing sleeve of the cable main body is provided with an inner sheath layer. An outer insulating layer is provided, a shielding layer is provided on the outer side of the outer insulating layer, and a waterproof layer is provided on the outer side of the shielding layer. The overall device has the advantages of low sag, high strength and good tensile resistance, and It has high stability and practicability, and has certain promotion value.

Description

A kind of electric power cable containing carbon fiber composite core

technical field

The utility model relates to the technical field of electric power transmission, in particular to a cable containing a carbon fiber composite core for electric power.

Background technique

Power cables are cables used to transmit and distribute electrical energy. Power cables are often used in urban underground power grids, power station lead-out lines, internal power supply in industrial and mining enterprises, and underwater transmission lines across rivers and seas. In power lines, the proportion of cables is gradually increasing. Power cables are cable products used to transmit and distribute high-power electrical energy in the backbone of the power system.

Most of the existing power cables use steel-cored aluminum-twisted conductors, which have low tensile strength and low power flow capacity. A kind of electric power cable containing carbon fiber composite core to change the status quo.

Utility model content

The purpose of the present invention is to provide a power cable containing a carbon fiber composite core, so as to solve the problems raised in the above-mentioned background technology.

To achieve the above object, the utility model provides the following technical solutions:

A power cable containing a carbon fiber composite core, comprising a cable main body, a cable wire and an outer sheath layer, the cable main body is provided with a tie wrap, and the wire tie is fixedly installed inside the wire tie, A filler layer is arranged between the cable wire and the tie-wrap, the cable wire includes a carbon fiber composite core, an aluminum stranded wire, an inner insulating layer and an inner sheath layer, and the outer side of the carbon fiber composite core is fixedly sleeved with aluminum Stranded wire, the outer side of the aluminum stranded wire is fixedly sleeved with an inner insulating layer, the outer side of the inner insulating layer is fixedly sleeved with an inner sheath layer, the outer side of the cable body is fixedly sleeved with an outer insulating layer, and the outer insulating layer The outer fixing sleeve is provided with a shielding layer, the outer fixing sleeve of the shielding layer is provided with a waterproof layer, the outer fixing sleeve of the waterproof layer is provided with a refractory layer, and the outer fixing sleeve of the refractory layer is provided with a protective layer, and the protective layer is The outer fixing sleeve is provided with an outer sheath layer, and a reinforcement member is fixedly installed inside the outer sheath layer.

Preferably, the cross-section of the aluminum stranded wire is a trapezoidal structure, and there are multiple groups surrounding the outer layer of the carbon fiber composite core.

Preferably, there are six groups of the reinforcing members, and the reinforcing members are uniformly annular and are respectively inside the outer sheath layer.

Preferably, the shielding layer is braided with tinned copper.

Preferably, there are a plurality of groups of the cables, which are fixedly installed inside the tie-wrap.

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

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

1. In the present utility model, through the carbon fiber composite core and the reinforcement member that are set, what traditional cable adopts is the steel core to bear mechanical forces such as the cable itself gravity, wind force, wire stress, and the carbon fiber composite core carbon fiber is the center layer and the glass fiber package. It has strong impact resistance, high tensile stress and bending stress bearing capacity, reduces the weight of the cable and increases the strength of the cable, and the annularly distributed reinforcements inside the outer sheath increase the overall strength of the cable, making the cable in the When laid, it has the characteristics of low sag, high strength and good tensile properties.

2. In the present utility model, the cross section of the aluminum stranded wire is a trapezoidal structure through the arrangement, and there are multiple groups, which are surrounded by the outer layer of the carbon fiber composite core. The cross-sectional area of the stranded wire is larger, and the amount of aluminum is 20%-30% more, which increases the conductive area, so that the cable has a stronger current capacity and transmits more power under the same outer diameter when in use. electricity.

3. In the present utility model, the electric current passing through the power cable is relatively large through the provided shielding layer and the protective layer, and a magnetic field will be generated around the current. In order not to affect other components, the shielding layer can shield the electromagnetic field in the cable. And when the outer sheath layer of the cable is damaged, the inner cable body is prevented from being corroded by the armor layer, so that the cable can be better protected when it is used.

Description of drawings

Fig. 1 is the overall cross-sectional schematic diagram of the utility model;

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

In the picture: 1-Cable body, 2-Cable wire, 3-Filling layer, 4-Tightening band, 5-Outer insulating layer, 6-Shielding layer, 7-Waterproof layer, 8-Refractory layer, 9-Kai Loading layer, 10-outer sheath layer, 11-reinforcing element, 12-carbon fiber composite core, 13-aluminum stranded wire, 14-inner insulating layer, 15-inner sheath layer.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. For example, based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

Please refer to Figure 1-2, the utility model provides a technical solution:

A cable containing a carbon fiber composite core for electric power, comprising a cable main body 1, a cable wire 2 and an outer sheath layer 10, the cable main body 1 is provided with a cable tie 4 inside, and the cable tie 4 is fixedly installed inside the cable tie 4 Line 2, the cable line 2 is provided with a total of multiple groups, which are fixedly installed inside the tie-wrap 4, and a filler layer 3 is arranged between the cable line 2 and the tie-wrap 4, and the cable line 2 includes a carbon fiber composite core 12, The aluminum stranded wire 13, the inner insulating layer 14 and the inner sheath layer 15, the traditional cable adopts the steel core to withstand the mechanical force of the cable itself, such as gravity, wind force, wire stress, etc., while the carbon fiber composite core 12 carbon fiber is the center layer and the glass fiber package It has strong impact resistance, high tensile stress and bending stress bearing capacity, reduces the weight of the cable, and increases the strength of the cable. The outer fixed sleeve of the carbon fiber composite core 12 is provided with an aluminum stranded wire 13, and the aluminum stranded wire 13 is horizontal The cross-section is a trapezoidal structure, and there are multiple groups surrounding the outer layer of the carbon fiber composite core 12. Under the same overall cross-section, the cross-sectional area is larger than that of the conventional circular aluminum stranded wire, and the amount of aluminum is 20% more- 30%, the conductive area is increased, so that when the cable is in use, under the same outer diameter, it has stronger flow capacity and transmits more power. The outer fixed sleeve of the insulating layer 14 is provided with an inner sheath layer 15, the outer fixed sleeve of the cable body 1 is provided with an outer insulating layer 5, and the outer fixed sleeve of the outer insulating layer 5 is provided with a shielding layer 6, which is braided with tinned copper. , the current passing through the power cable is relatively large, and a magnetic field will be generated around the current. In order not to affect other components, the shielding layer 6 can shield this electromagnetic field in the cable, and the outer side of the shielding layer 6 is fixed with a waterproof layer 7. The outer fixing sleeve is provided with a refractory layer 8, and the outer fixing sleeve of the refractory layer 8 is provided with a cladding layer 9, and when the cable outer sheath layer 10 is damaged, the inner cable body 1 is prevented from being eroded by the armor layer 9, so that the cable is used. , which can better protect the outer sheath layer 9 of the outer sheath layer 10. The outer sheath layer 10 and the inner sheath layer 15 are made of flame retardant polyvinyl chloride material. When the cable outer sheath layer 10 is damaged The inner cable body 1 is prevented from being corroded by the armor layer 9, so that the cable can be better protected when used. The outer sheath layer 10 is fixedly installed with reinforcements 11, and the reinforcements 11 are provided with six groups in total, and The uniform rings are respectively inside the outer sheath layer 10 to increase the overall strength of the cable, so that the cable has the characteristics of low sag, high strength and good tensile performance when it is laid and used, and has certain promotion value.

Workflow of the present utility model: when in use, through the carbon fiber composite core 12 and the reinforcement 11 provided, the traditional cable adopts a steel core to withstand mechanical forces such as the cable itself gravity, wind force, wire stress, etc., and the carbon fiber composite core 12 carbon fiber is The center layer is formed by coating with glass fiber, which has strong impact resistance, high tensile stress and bending stress bearing capacity, reduces the weight of the cable and increases the strength of the cable, and the outer sheath layer 10 is annularly distributed with reinforcements 11 Increase the overall strength of the cable, so that the cable has the characteristics of low sag, high strength and good tensile performance when it is laid and used. It is surrounded by the outer layer of the carbon fiber composite core 12, and the cross-sectional area is larger than that of the conventional circular aluminum stranded wire under the same overall cross-section. The amount of aluminum is 20%-30% more, which increases the conductive area. When the cable is in use, under the same outer diameter, it has a stronger current capacity and transmits more power. Through the set shielding layer 6 and the protective layer 9, the current passing through the power cable is relatively large, and the surrounding current will generate Magnetic field, in order not to affect other components, the shielding layer 6 can shield this electromagnetic field in the cable, and when the outer sheath layer 10 of the cable is damaged, the inner cable body 1 is prevented from being corroded by the armor layer 9, so that the cable is used. , can better protect, has certain promotion value.

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

Claims (6)

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.

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