CN215451004U

CN215451004U - Novel heat-resistant cable

Info

Publication number: CN215451004U
Application number: CN202120735541.4U
Authority: CN
Inventors: 刘杨; 徐健康; 梁海峰
Original assignee: Heilongjiang Jinda Cable Co Ltd
Current assignee: Heilongjiang Jinda Cable Co Ltd
Priority date: 2021-04-12
Filing date: 2021-04-12
Publication date: 2022-01-07
Anticipated expiration: 2031-04-12

Abstract

The utility model discloses a novel heat-resistant cable which comprises an outer protective layer, a fireproof layer, an outer fixed layer, an inner fixed layer, a buffer layer and a cable core, wherein the outer protective layer, the fireproof layer, the outer fixed layer, the inner fixed layer and the buffer layer are arranged in sequence from outside to inside, a plurality of supporting pads are arranged between the outer fixed layer and the inner fixed layer, the supporting pads are radially arranged by taking the center of the cable as a circle center, the space between the outer fixed layer and the inner fixed layer is divided into a plurality of heat insulation cavities by the supporting pads, and cooling liquid is filled in the heat insulation cavities. According to the novel heat-resistant cable provided by the utility model, under a high-temperature environment, the external high temperature can be isolated by the cooling liquid in the heat-insulating cavities, so that the high-temperature resistance of the cable body is greatly improved, the power transmission efficiency of the cable under the high-temperature environment is ensured, the loss of electric energy is reduced, the power transmission cost is saved, and meanwhile, the safety performance of the cable body is improved due to the design of the fireproof layer.

Description

Novel heat-resistant cable

Technical Field

The utility model relates to the field of cables, in particular to a novel heat-resistant cable.

Background

The wire and cable is used for transmitting electric (magnetic) energy, information and wire products for realizing electromagnetic energy conversion. A wire cable in a broad sense, also referred to as a cable for short, refers to an insulated cable, which can be defined as: an aggregate consisting of; one or more insulated wire cores, and their respective possible coatings, protective coatings and sheaths, and additional uninsulated conductors, are available in cables, and wire and cable products are mostly products having substantially the same cross-sectional shape (ignoring manufacturing tolerances), and having a long strip shape, due to the characteristics used in the system or apparatus to form the wire or coil. The structural composition of the cable product is studied and analyzed, and the analysis is observed only from the cross section thereof. The structural elements of wire and cable products can be generally divided into four main structural components of wires, insulation, shielding and sheath, as well as filler elements and tensile elements. Some products have extremely simple structures according to the use requirements and application occasions of the products.

However, the heat resistance of the traditional cable is not good enough, and the power transmission efficiency of the inner cable core can still be influenced under a long-term high-temperature environment.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a novel heat-resistant cable, which solves the above problems of the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a novel heat-resistant type cable, includes outer inoxidizing coating, flame retardant coating, outer fixed bed, interior fixed bed, buffer layer and cable core, its characterized in that, outer inoxidizing coating, flame retardant coating, outer fixed bed, interior fixed bed and the buffer layer is arranged in proper order by external, outer fixed bed with be provided with a plurality of supporting pads, it is a plurality of between the interior fixed bed the supporting pad uses the cable center to be radial arranging as the centre of a circle, and is a plurality of the supporting pad will outer fixed bed with space separation between the interior fixed bed is a plurality of thermal-insulated chambeies, and is a plurality of thermal-insulated intracavity portion is filled there is the coolant liquid.

Further, the cooling liquid filled in the heat insulation cavity is wax liquid.

Furthermore, four cable cores are embedded in the buffer layer.

Furthermore, a cable core is arranged at the center of the interior of the buffer layer along the length direction.

Furthermore, the outer side of the outer protective layer is provided with a protective coating which is formed by spraying an anticorrosive material.

Furthermore, the outside of buffer layer with be provided with the shielding layer between the internal fixation layer, the shielding layer adopt the copper wire be the heliciform wrap up in the outside of buffer layer.

Compared with the prior art, the utility model has the following beneficial effects:

(1) according to the novel heat-resistant cable provided by the utility model, under a high-temperature environment, the external high temperature can be isolated by the cooling liquid in the heat-insulating cavities, so that the high-temperature resistance of the cable body is greatly improved, the power transmission efficiency of the cable under the high-temperature environment is ensured, the loss of electric energy is reduced, the power transmission cost is saved, and meanwhile, the safety performance of the cable body is improved due to the design of the fireproof layer.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic cross-sectional view of a novel heat-resistant cable according to an embodiment of the utility model.

Reference numerals:

1. a protective coating; 2. an outer protective layer; 3. a fire barrier layer; 4. an outer fixing layer; 5. a support pad; 6. a thermally insulating cavity; 7. an inner fixed layer; 8. a shielding layer; 9. a buffer layer; 10. a cable core; 11. and (6) reinforcing the core.

Detailed Description

The technical solutions 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 a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "top", "bottom", "one side", "the other side", "front", "back", "middle part", "inside", "top", "bottom", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1, the novel heat-resistant cable according to the embodiment of the present invention includes an outer protective layer 2, a fire-proof layer 3, an outer fixed layer 4, an inner fixed layer 7, a buffer layer 9, and a cable core 10, and is characterized in that the outer protective layer 2, the fire-proof layer 3, the outer fixed layer 4, the inner fixed layer 7, and the buffer layer 9 are sequentially disposed from outside to inside, a plurality of support pads 5 are disposed between the outer fixed layer 4 and the inner fixed layer 7, the plurality of support pads 5 are radially disposed with a cable center as a circle center, the plurality of support pads 5 partition a space between the outer fixed layer 4 and the inner fixed layer 7 into a plurality of heat-insulating cavities 6, and cooling liquid is filled in the plurality of heat-insulating cavities 6.

According to the scheme of the utility model, the cooling liquid filled in the heat insulation cavity 6 is wax liquid.

According to the scheme of the utility model, four cable cores 10 are embedded in the buffer layer 9.

According to the scheme of the utility model, the cable core 10 is arranged at the center of the buffer layer 9 along the length direction.

According to the scheme, the protective coating 1 is arranged on the outer side of the outer protective layer 2, and the protective coating 1 is formed by spraying an anticorrosive material.

According to the scheme of the utility model, the shielding layer 8 is arranged between the outer side of the buffer layer 9 and the inner fixing layer 7, and the shielding layer 8 is spirally wrapped on the outer side of the buffer layer 9 by adopting a copper wire.

When specifically using, under high temperature environment, outside high temperature can be isolated by the inside coolant liquid in a plurality of thermal-insulated chambeies 6, has promoted the high temperature resistance ability of cable body greatly, has guaranteed the power transmission efficiency under the high temperature environment of cable, has reduced the loss of electric energy, has practiced thrift the power transmission cost, and the design of flame retardant coating 3 has promoted the security performance of cable body simultaneously.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that various changes, modifications and substitutions can be made without departing from the spirit and scope of the utility model as defined by the appended claims. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a novel heat-resistant type cable, includes outer inoxidizing coating (2), flame retardant coating (3), outer fixed bed (4), interior fixed bed (7), buffer layer (9) and cable core (10), its characterized in that, outer inoxidizing coating (2), flame retardant coating (3), outer fixed bed (4), interior fixed bed (7) and buffer layer (9) are arranged in proper order by external, outer fixed bed (4) with be provided with a plurality of supporting pads (5) between interior fixed bed (7), it is a plurality of supporting pad (5) are radially arranged as the centre of a circle with the cable center, and are a plurality of supporting pad (5) will outer fixed bed (4) with space separation between interior fixed bed (7) is a plurality of thermal-insulated chamber (6), and is a plurality of thermal-insulated chamber (6) inside packing has the coolant liquid.

2. A novel heat-resistant cable according to claim 1, characterized in that the cooling liquid filled in the heat-insulating cavity (6) is wax liquid.

3. A novel heat-resistant cable as claimed in claim 1, characterized in that four of said cable cores (10) are embedded inside said buffer layer (9).

4. A novel heat-resistant cable as claimed in claim 1, wherein the buffer layer (9) is provided with a cable core (10) at the center along the length direction.

5. A novel heat-resistant cable as claimed in claim 1, wherein the outer side of the outer protective layer (2) is provided with a protective coating (1), and the protective coating (1) is formed by spraying an anticorrosive material.

6. A novel heat-resistant cable as claimed in claim 1, wherein a shielding layer (8) is arranged between the outer side of the buffer layer (9) and the inner fixing layer (7), and the shielding layer (8) is wrapped on the outer side of the buffer layer (9) in a spiral manner by adopting copper wires.