CN219202822U - Special-shaped large current carrying cable - Google Patents

Abstract

The utility model relates to the technical field of cables, in particular to a special-shaped large current carrying cable which comprises a cable body and a waterproof assembly, wherein the waterproof assembly comprises a hydrophobic layer, a water absorption layer, a waterproof layer, an inner liner layer, an armor layer and a protective layer; the inner liner is used for cooperating the installation armor, and the armor is used for providing metal protection, avoids damaging in transportation or installation, and the protective layer is the rubber sleeve, in the insulating, can also provide certain buffer capacity, improves shock resistance, and when outside moisture permeated to the waterproof layer, by the waterproof layer isolated, if have the moisture that passes the waterproof layer also can be absorbed by inboard absorbed water layer, if also moisture passes absorbed water layer, also can be isolated by the hydrophobic layer, avoid permeating to the cable body inside, through triple protection, improved waterproof performance to current special-shaped big current-carrying cable waterproof performance relatively poor problem has been solved.

Description

Special-shaped large current carrying cable

Technical Field

The utility model relates to the technical field of cables, in particular to a special-shaped large current-carrying cable.

Background

With the high-speed development of national economy, the electric power demand is increasingly increased, the transmission capacity of a circuit can be effectively improved by adopting a conductor with a large section, after the section of a wire is increased, the resistance of the wire per unit length is reduced, and the allowable current-carrying capacity is increased within the limit of heat capacity, so that the transmission power of the wire is improved.

The special-shaped large current-carrying cable in the prior art has poor waterproof performance, and is easy to influence the performance by damp if used in a humid environment or operated under water for a long time.

Disclosure of Invention

The utility model aims to provide a special-shaped large current-carrying cable, and aims to solve the problem that the existing special-shaped large current-carrying cable is poor in waterproof performance.

In order to achieve the above purpose, the utility model provides a special-shaped large current-carrying cable, which comprises a cable body and a waterproof component;

the waterproof assembly comprises a hydrophobic layer, a water absorption layer, a waterproof layer, an inner liner layer, an armor layer and a protective layer; the waterproof layer is fixedly connected with the cable body and is located on one side of the cable body, the water absorption layer is fixedly connected with the water absorption layer and is located on one side of the cable body, the waterproof layer is fixedly connected with the water absorption layer and is located on one side of the water absorption layer, the lining layer is fixedly connected with the waterproof layer and is located on one side of the waterproof layer, the waterproof layer is away from one side of the water absorption layer, the armor layer is fixedly connected with the lining layer and is located on one side of the lining layer, the protection layer is fixedly connected with the armor layer and is located on one side of the lining layer.

The waterproof assembly further comprises a wear-resistant layer, wherein the wear-resistant layer is fixedly connected with the protective layer and is located on one side, far away from the armor layer, of the protective layer.

The waterproof layer comprises a PE waterproof layer and a polyethylene waterproof layer, wherein the PE waterproof layer is fixedly connected with the water absorption layer and is positioned on one side, away from the water drainage layer, of the water absorption layer, the polyethylene waterproof layer is fixedly connected with the PE waterproof layer and is fixedly connected with the inner liner layer and is positioned between the PE waterproof layer and the inner liner layer.

The cable comprises a cable body and is characterized in that the cable body comprises a tensile layer, a filler layer, a plurality of insulating layers and a plurality of cable cores, wherein the tensile layer is fixedly connected with the hydrophobic layer and is positioned on one side of the hydrophobic layer away from the water absorption layer, the filler layer is fixedly connected with the tensile layer and is positioned on one side of the tensile layer away from the hydrophobic layer, the insulating layers are respectively fixedly connected with the filler layer and are respectively positioned in the filler layers, and the cable cores are respectively fixedly connected with the insulating layers and are respectively positioned in the insulating layers.

The waterproof assembly further comprises an anti-corrosion layer which is fixedly connected with the wear-resistant layer and is located on one side, far away from the protective layer, of the wear-resistant layer.

According to the special-shaped large current-carrying cable, the hydrophobic layer is a breathable hydrophobic film, the hydrophobic layer is made of water-absorbent resin under the condition of guaranteeing air permeability, the water-absorbent layer is good in water absorption effect, the waterproof layer is used for preventing external water molecules from penetrating in, the inner liner is used for being matched with the armor layer, the armor layer is used for providing metal protection and avoiding damage during transportation or installation, the protective layer is a rubber sleeve, certain buffering capacity can be provided during insulation, the shock resistance is improved, external moisture is isolated by the waterproof layer when penetrating into the waterproof layer, if the moisture penetrating through the waterproof layer is absorbed by the inner water-absorbent layer, and if the moisture penetrates through the water-absorbent layer, the moisture is isolated by the hydrophobic layer, so that the moisture is prevented from penetrating into the cable body, and the waterproof performance is improved through triple protection, so that the problem that the waterproof performance of the existing special-shaped large current-carrying cable is poor is solved.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.

Fig. 1 is an overall cross-sectional view of a first embodiment of the present utility model.

Fig. 2 is an overall cross-sectional view of a second embodiment of the present utility model.

101-cable body, 102-waterproof assembly, 103-hydrophobic layer, 104-water-absorbing layer, 105-waterproof layer, 106-inner liner, 107-armor layer, 108-protective layer, 109-wear-resistant layer, 110-PE waterproof layer, 111-polyethylene waterproof layer, 112-tensile layer, 113-filler layer, 114-insulating layer, 115-cable core, 201-anticorrosive layer.

Detailed Description

The first embodiment of the application is as follows:

referring to fig. 1, fig. 1 is a cross-sectional view of a first embodiment of the present utility model.

The utility model provides a special-shaped large current-carrying cable, which comprises the following components: comprising a cable body 101 and a waterproof assembly 102; the waterproof assembly 102 comprises a hydrophobic layer 103, a water absorbing layer 104, a waterproof layer 105, an inner lining layer 106, an armor layer 107, a protective layer 108 and a wear-resistant layer 109; the waterproof layer 105 includes a PE waterproof layer 110 and a polyethylene waterproof layer 111; the cable body 101 includes a tensile layer 112, a filler layer 113, a plurality of insulating layers 114, and a plurality of cable cores 115. The problem that the waterproof performance of the existing special-shaped large current-carrying cable is poor is solved through the scheme.

For this embodiment, the cable body 101 is used to conduct current, so that the current is transmitted.

The waterproof layer 103 is fixedly connected with the cable body 101 and is located on one side of the cable body 101, the water absorbing layer 104 is fixedly connected with the water absorbing layer 103 and is located on one side, away from the cable body 101, of the water absorbing layer 103, the waterproof layer 105 is fixedly connected with the water absorbing layer 104 and is located on one side, away from the water absorbing layer 103, of the water absorbing layer 104, the lining layer 106 is fixedly connected with the waterproof layer 105 and is located on one side, away from the water absorbing layer 104, of the waterproof layer 105, the armor layer 107 is fixedly connected with the lining layer 106 and is located on one side, away from the waterproof layer 105, of the lining layer 106, of the armor layer 107 and is fixedly connected with the armor layer 108 and is located on one side, away from the lining layer 106, of the armor layer 107. The hydrophobic layer 103 is ventilative hydrophobic membrane, the infiltration of water molecule is blocked to the hydrophobic layer 103 under the circumstances of guaranteeing the gas permeability, the water absorption layer 104 is made by water absorbent resin, and the water absorption effect is good, the waterproof layer 105 is used for preventing outside water molecule infiltration, the inner liner 106 is used for the cooperation installation the armor 107, the armor 107 is used for providing metal protection, avoids damaging when transportation or installation, the protective layer 108 is the rubber sleeve, and in the same time of insulating, can also provide certain buffer capacity, improves shock resistance, and outside moisture infiltration is when arriving waterproof layer 105, by waterproof layer 105 is isolated, if there is the moisture that passes waterproof layer 105 also can be absorbed by inboard water absorption layer 104, if there is also moisture to pass water absorption layer 104 also can be isolated by hydrophobic layer 103, avoid permeating to cable body 101 is inside, through triple protection, has improved waterproof performance to current special-shaped big current-carrying cable waterproof performance relatively poor problem has been solved.

Next, the wear-resistant layer 109 is fixedly connected to the protective layer 108, and is located on a side of the protective layer 108 away from the armor layer 107. The wear-resistant layer 109 is supported by an epoxy wear-resistant coating to improve the wear resistance of the protective layer 108.

Meanwhile, the PE waterproof layer 110 is fixedly connected with the water absorbing layer 104 and is located at a side of the water absorbing layer 104 away from the water-repellent layer 103, and the PE waterproof layer 111 is fixedly connected with the PE waterproof layer 110 and is fixedly connected with the inner liner 106 and is located between the PE waterproof layer 110 and the inner liner 106. The PE waterproof layer 110 and the polyethylene waterproof layer 111 have good waterproof effects, and the two are matched to provide dual waterproof performance, so as to avoid moisture penetration as much as possible.

In addition, the tensile layer 112 is fixedly connected with the hydrophobic layer 103, and is located on one side of the hydrophobic layer 103 away from the water absorbing layer 104, the filler layer 113 is fixedly connected with the tensile layer 112, and is located on one side of the tensile layer 112 away from the hydrophobic layer 103, a plurality of insulating layers 114 are respectively fixedly connected with the filler layer 113, and are respectively located inside the filler layer 113, and a plurality of cable cores 115 are respectively fixedly connected with a plurality of insulating layers 114, and are respectively located inside the insulating layers 114. The tensile layer 112 is a steel wire mesh structure, so that the overall tensile performance is improved, the filler layer 113 is mineral rock wool ropes or high-expansion water-blocking fillers, each insulating layer 114 wraps one cable core 115, an insulating effect is provided, and the cable cores 115 are used for conducting current.

In the special-shaped large current-carrying cable according to the embodiment, the cable core 115 is used for conducting current, the filler layer 113 is mineral rock wool or a high expansion water-blocking filler, the insulating layer 114 is used for providing insulation effect, the tensile layer 112 is used for improving the overall tensile property, the inner liner 106 is used for being matched with the armor layer 107, the armor layer 107 is used for providing metal protection, damage during transportation or installation is avoided, the protective layer 108 is a rubber sleeve, certain buffering capacity is also provided while insulation, shock resistance is improved, external moisture is doubly isolated by the PE waterproof layer 110 and the polyethylene waterproof layer 111 when penetrating into the PE waterproof layer 110 and the polyethylene waterproof layer 111, if the moisture penetrating through the PE waterproof layer 110 and the polyethylene waterproof layer 111 is absorbed by the inner water-absorbing layer 104, and if the moisture penetrates through the water-absorbing layer 104, the moisture is also isolated by the hydrophobic layer 103, penetration into the cable body 101 is avoided, triple waterproof performance is improved by protection,

the second embodiment of the present application is:

on the basis of the first embodiment, please refer to fig. 2, wherein fig. 2 is an overall cross-sectional view of a second embodiment of the present utility model.

The waterproof assembly 102 of the special-shaped large current carrying cable provided by the utility model further comprises an anti-corrosion layer 201.

For this embodiment, the anti-corrosion layer 201 is fixedly connected to the wear-resistant layer 109, and is located on a side of the wear-resistant layer 109 away from the protection layer 108. The corrosion protection layer 201 is used to prevent corrosive substances from corroding the wear layer 109, and from layer to layer.

The anti-corrosion layer 201 is used for avoiding corrosive substances from corroding the wear-resistant layer 109, and the corrosion of the layer by layer affects the waterproof performance, and can also avoid the corrosion damage of the whole cable.

The foregoing disclosure is only illustrative of one or more preferred embodiments of the present application and is not intended to limit the scope of the claims hereof, as it is to be understood by those skilled in the art that all or part of the process of implementing the described embodiment may be practiced otherwise than as specifically described and illustrated by the appended claims.

Claims (5)

1. The special-shaped large current carrying cable comprises a cable body and is characterized in that,

the waterproof assembly is also included;

the waterproof assembly comprises a hydrophobic layer, a water absorption layer, a waterproof layer, an inner liner layer, an armor layer and a protective layer;

the waterproof layer is fixedly connected with the cable body and is located on one side of the cable body, the water absorption layer is fixedly connected with the water absorption layer and is located on one side of the cable body, the waterproof layer is fixedly connected with the water absorption layer and is located on one side of the water absorption layer, the lining layer is fixedly connected with the waterproof layer and is located on one side of the waterproof layer, the waterproof layer is away from one side of the water absorption layer, the armor layer is fixedly connected with the lining layer and is located on one side of the lining layer, the protection layer is fixedly connected with the armor layer and is located on one side of the lining layer.

2. A shaped large current carrying cable according to claim 1, wherein,

the waterproof assembly further comprises a wear-resistant layer which is fixedly connected with the protective layer and is positioned on one side of the protective layer away from the armor layer.

3. A shaped large current carrying cable according to claim 2, wherein,

the waterproof layer comprises a PE waterproof layer and a polyethylene waterproof layer, wherein the PE waterproof layer is fixedly connected with the water absorption layer and is positioned on one side, away from the water drainage layer, of the water absorption layer, the polyethylene waterproof layer is fixedly connected with the PE waterproof layer and is fixedly connected with the inner liner layer and is positioned between the PE waterproof layer and the inner liner layer.

4. A shaped large current carrying cable according to claim 3, wherein,

the cable body comprises a tensile layer, a filler layer, a plurality of insulating layers and a plurality of cable cores, wherein the tensile layer is fixedly connected with the hydrophobic layer and is positioned on one side of the hydrophobic layer away from the water absorbing layer, the filler layer is fixedly connected with the tensile layer and is positioned on one side of the tensile layer away from the hydrophobic layer, the insulating layers are respectively fixedly connected with the filler layer and are respectively positioned in the filler layer, and the cable cores are respectively fixedly connected with the insulating layers and are respectively positioned in the insulating layers.

5. A shaped large current carrying cable according to claim 4, wherein,

the waterproof assembly further comprises an anti-corrosion layer which is fixedly connected with the wear-resistant layer and is located on one side, far away from the protective layer, of the wear-resistant layer.

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