CN221040604U - High-temperature-resistant flame-retardant flexible cable - Google Patents

Abstract

The utility model discloses a high-temperature-resistant flame-retardant flexible cable, which comprises: a wire; an insulating layer; the insulating layer is wrapped on the outer wall of the wire; the protective layer is sleeved on the outer wall of the insulating layer; the reinforcing net is adhered to the outer wall of the protective layer; the flame-retardant cloth is adhered to the outer wall of the reinforcing net; the heat insulation layer is fixedly arranged on the outer wall of the flame-retardant cloth. The utility model relates to the technical field of cables, wherein hemp ropes are arranged on the outer walls of wires and insulating layers, so that the overall tensile resistance of the cable can be increased, a reinforcing net is additionally arranged outside the protective layer, so that the cable is not easy to deform when being heated, and meanwhile, the outer heat insulation layer can effectively prevent the outside high temperature from being transferred into the cable, thus double guarantee is provided for the cable in a high-temperature environment, and the wires in the cable can not be damaged when fire occurs due to the existence of flame retardant cloth, so that the cable has certain practicability.

Description

High-temperature-resistant flame-retardant flexible cable

Technical Field

The utility model relates to the technical field of cables, in particular to a high-temperature-resistant flame-retardant flexible cable.

Background

The cable is a special cable applied to power transmission in a power system, and the existing power cable has various functions and needs to ensure that the cable has the characteristic of surrounding environment resistance. The cable is ensured to be firm and not easy to damage, is not easy to be influenced by external temperature, and the absolute insulation effect is ensured to be the basic requirement of the cable, and the power cable cannot meet the use requirement due to poor effect. At present, some cables are only provided with a single protective layer, when the cable is used in a high-temperature environment, the heat transfer blocking capability is poor, so that the cable is easy to expand and deform, and meanwhile, the cable is low in flame retardant property under the condition of fire, so that the cable is easy to damage.

Disclosure of utility model

In order to solve the above problems, that is, the problems set forth in the background art, the present utility model provides a high temperature resistant flame retardant flexible cable, comprising:

A wire;

an insulating layer; the insulating layer is wrapped on the outer wall of the wire;

The protective layer is sleeved on the outer wall of the insulating layer;

the reinforcing net is adhered to the outer wall of the protective layer;

the flame-retardant cloth is adhered to the outer wall of the reinforcing net;

The heat insulation layer is fixedly arranged on the outer wall of the flame-retardant cloth.

Preferably, the inner cavity of the protective layer is inserted with a plurality of hemp ropes.

Preferably, the plurality of wires are equidistantly distributed in the inner cavity of the protective layer.

Preferably, the wire bodies in two directions of the reinforcing net are respectively woven along the horizontal direction and the vertical direction of the conducting wire.

The beneficial technical effects of the utility model are as follows: through setting up the twine at the outer wall of wire and insulating layer, can increase the holistic stretching resistance of cable, through add the reinforcing net outside the protective layer, make its cable be difficult for the condition of deformation when meeting heat, the outside insulating layer of outside can be effectual separation external high temperature transmission to the inside of cable simultaneously, this just uses dual guarantee for the cable under high temperature environment, and the existence of secondly fire-retardant cloth can not receive the damage when the conflagration takes place for the inside wire of cable, has certain practicality.

Drawings

Fig. 1 shows a schematic perspective view of the present utility model.

Reference numeral 1, a wire; 2. an insulating layer; 3. a protective layer; 4. reinforcing the net; 5. flame retardant cloth; 6. hemp ropes; 7. and a heat insulation layer.

Detailed Description

Preferred embodiments of the present utility model are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are merely for explaining the technical principles of the present utility model, and are not intended to limit the scope of the present utility model.

The utility model provides a high-temperature-resistant flame-retardant flexible cable, which comprises a wire 1, an insulating layer 2, a protective layer 3, a reinforcing net 4, flame-retardant cloth 5 and a heat insulation layer 7, wherein the insulating layer 2 is wrapped on the outer wall of the wire 1, the protective layer 3 is sleeved on the outer wall of the insulating layer 2, the reinforcing net 4 is adhered to the outer wall of the protective layer 3, the design aim is that the reinforcing net 4 enables the cable to be difficult to deform when in heat, the flame-retardant cloth 5 is adhered to the outer wall of the reinforcing net 4, the flame-retardant cloth 5 is an aramid flame-retardant cloth 5 and is a permanent flame-retardant fiber, and the flame-retardant flexible cable has the advantages of heat resistance, high strength, high wear resistance, good flexibility, low shrinkage, stable chemical structure, no molten drop during combustion, no toxic gas generation and the like, the wire 1 in the cable can not be damaged when a fire disaster occurs, the heat insulation layer 7 is fixedly arranged on the outer wall of the flame-retardant cloth 5, the heat insulation layer 7 is a high-temperature-resistant and corrosion-resistant rubber material, the highest use temperature of the flame-retardant rubber can reach more than 250 ℃, the excellent oil resistance and the high-temperature resistance performance can be effectively transferred to the inside the cable under the severe environment such as acid and alkali resistance, the high-resistant environment, and the high-temperature resistance can be effectively transferred to the outside under the high-temperature environment.

Specifically, the inner cavity of the protective layer 3 is inserted with a plurality of hemp ropes 6, and the design of the hemp ropes 6 can increase the whole tensile resistance of the cable.

Specifically, the wires 1 are equidistantly distributed in the inner cavity of the protective layer 3, and the purpose of equidistant distribution is to avoid the condition that short circuit or overheat is caused due to too close between the wires 1.

Specifically, the wire bodies in two directions of the reinforcing net 4 are respectively woven along the horizontal direction and the vertical direction of the lead 1, and the design purpose is that the reinforcing net 4 woven horizontally and vertically can better avoid the deformation of a cable, and meanwhile, the reinforcing net 4 is made of nylon wires, has stronger tensile force and is high-temperature resistant.

Working principle: when the cable is used, the twine 6 is arranged on the outer walls of the wires 1 and the insulating layer 2, so that the overall tensile resistance of the cable can be increased, the reinforcing net 4 is additionally arranged outside the protective layer 3, the cable is not easy to deform when being heated, meanwhile, the outer insulating layer 7 can effectively prevent the outside from being transferred to the inside of the cable at high temperature, double protection is achieved for the cable in a high-temperature environment, and the wires 1 inside the cable can not be damaged when fire occurs due to the flame retardant cloth 5, so that a certain protection effect is achieved.

While the utility model has been described with reference to a preferred embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model, and in particular, the technical features set forth in the various embodiments may be combined in any manner so long as there is no structural conflict. The present utility model is not limited to the specific embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.

In the description of the present utility model, terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like, which indicate a direction or a positional relationship, are based on the direction or the positional relationship shown in the drawings, are merely for convenience of description, and do not indicate or imply that the apparatus or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus are not to be construed as limiting the present utility model. Furthermore, 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, it should be noted that, in the description of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those skilled in the art according to the specific circumstances.

The terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, article, or apparatus/means that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, article, or apparatus/means.

Thus far, the technical solution of the present utility model has been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of protection of the present utility model is not limited to these specific embodiments. Equivalent modifications and substitutions for related technical features may be made by those skilled in the art without departing from the principles of the present utility model, and such modifications and substitutions will fall within the scope of the present utility model.

Claims (4)

1. A high temperature resistant flame retardant flexible cable comprising:

A wire (1);

an insulating layer (2); the insulating layer (2) is wrapped on the outer wall of the wire (1);

The protective layer (3) is sleeved on the outer wall of the insulating layer (2);

-a reinforcing mesh (4), the reinforcing mesh (4) being glued to the outer wall of the protective layer (3);

the flame-retardant cloth (5) is adhered to the outer wall of the reinforcing net (4);

the heat insulation layer (7), the heat insulation layer (7) is fixed to be set up in the outer wall of fire-retardant cloth (5).

2. The high temperature resistant flame retardant flexible cable of claim 1, wherein: the inner cavity of the protective layer (3) is inserted with a plurality of hemp ropes (6).

3. The high temperature resistant flame retardant flexible cable of claim 1, wherein: the wires (1) are equidistantly distributed in the inner cavity of the protective layer (3).

4. The high temperature resistant flame retardant flexible cable of claim 1, wherein: the wire bodies in the two directions of the reinforcing net (4) are respectively woven along the horizontal direction and the vertical direction of the wire (1).