High-temperature-resistant communication cable

Abstract

The utility model belongs to the technical field of cables, and particularly relates to a high-temperature-resistant communication cable, which comprises eight wire core conductors which are uniformly arranged, insulating layers are wrapped outside the uniformly arranged wire core conductors, an aluminum foil layer is arranged in the cable, and the aluminum foil layer not only plays a role in shielding, but also plays a role in heat insulation. The insulating wire cores are in contact with the aluminum foil layer, the aluminum foil layer is in contact with the braiding layer, the double-layer shielding effect is achieved, the signal shielding effect can be improved, the heat insulation and temperature resistance can be improved, the braided wire cores are extruded through the sheath layer to achieve the protection effect, and the cable core is prevented from being damaged by the braiding wire. The sheath layer is made of tetrafluoroethylene materials, tetrafluoroethylene further provides signal protection and high-temperature-resistant functions, meanwhile, the physical performance of the cable is guaranteed, the signal transmission performance of the cable is improved, the heat insulation and high-temperature-resistant performance of the cable is improved, and the signal transmission quality of the cable under the high-temperature condition is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of cables, in particular to a high temperature resistant communication cable. Background Art

[0002] With the development of economy and society, the network has developed rapidly, the number of network cables has gradually increased, and the use environment has become more and more complex. How to ensure the normal operation of cables in high temperature or fire environment is very important. When a fire occurs, the insulation layer of ordinary network cables is flammable or self-ignited due to the high temperature, making it impossible to transmit data. In addition, due to the high temperature of the use environment of some cables, their performance has declined. Some network cables do not perform well in high temperature environments, and the transmission quality is poor.

[0003] To this end, a high temperature resistant communication cable is proposed to solve the above-mentioned problems. A shielding layer (aluminum foil) is added after the core is cabled to prevent damage to the core by weaving. Aerogel fiber is used for weaving, which can enhance the signal shielding effect and increase the high temperature resistance of the cable. The sheath layer is made of tetrafluoroethylene to protect its electrical properties. Utility Model Content

[0004] The purpose of the utility model is to provide a high temperature resistant communication cable to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high temperature resistant communication cable, comprising a core conductor, wherein eight core conductors are arranged evenly, the evenly arranged core conductors are wrapped with an insulating layer on the outside, the evenly arranged insulating layers are wrapped with an aluminum foil layer on the outside, the aluminum foil layer is wrapped with a fiber braided layer on the outside, and the fiber braided layer is wrapped with a sheath layer on the outside;

[0006] The outer wall of the insulating layer contacts the inner wall of the aluminum foil layer, the outer wall of the aluminum foil layer contacts the inner wall of the fiber braided layer, and the outer wall of the fiber braided layer contacts the inner wall of the sheath layer.

[0007] Preferably, the core conductor is a copper conductor.

[0008] Preferably, the core conductor and the insulating layer form a core, and the evenly arranged cores are twisted with each other.

[0009] Preferably, the insulating layer is made of polyethylene material.

[0010] Preferably, the sheath layer is made of tetrafluoroethylene material.

[0011] Preferably, the thickness of the insulating layer, the aluminum foil layer and the fiber braided layer is 0.1-0.3 mm, and the thickness of the sheath layer is 0.5-0.6 mm.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] An aluminum foil layer is provided in this cable, which not only plays a shielding role, but also can protect the wire core to prevent the braided wire from damaging the insulating wire core, wherein the insulating wire core is in contact with the aluminum foil layer, and the aluminum foil layer is in contact with the braided layer, which plays a double-layer shielding role, which can not only increase the signal shielding effect, but also increase the heat insulation and temperature resistance performance. The braided wire core is extruded through the sheath layer to play a protective role. The sheath layer is made of tetrafluoroethylene material, and tetrafluoroethylene further provides signal protection and high temperature resistance functions, while ensuring its physical properties, thereby improving the signal transmission performance of the cable. The heat insulation and high temperature resistance of this type of cable are increased, thereby ensuring its signal transmission quality under high temperature conditions. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model.

[0015] In the figure: 1 core conductor, 2 insulation layer, 3 aluminum foil layer, 4 fiber braided layer, 5 sheath layer. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0017] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0018] Example:

[0019] See also Figure 1 , the utility model provides a technical solution:

[0020] A high temperature resistant communication cable, comprising a core conductor 1, wherein eight core conductors 1 are arranged evenly, wherein the core conductors 1 are copper conductors, wherein the evenly arranged core conductors 1 are wrapped with an insulating layer 2 on the outside, wherein the core conductors 1 and the insulating layer 2 form a core, wherein the insulating layer 2 is made of polyethylene material, wherein the evenly arranged cores are twisted with each other, wherein the evenly arranged insulating layers 2 are wrapped with an aluminum foil layer 3 on the outside, wherein the aluminum foil layer 3 is wrapped with a fiber braided layer 4 on the outside, wherein the fiber braided layer 4 is wrapped with a sheath layer 5 on the outside, wherein the sheath layer 5 is made of tetrafluoroethylene material; wherein the aluminum foil layer 3 is provided in the cable, wherein the aluminum foil layer 3 not only plays a role in The shielding effect is achieved, and the core wire is protected to prevent the braided wire from damaging the insulating core wire. The insulating core wire is in contact with the aluminum foil layer 3, and the aluminum foil layer 3 is in contact with the fiber braided layer 4, which plays a double-layer shielding role, which can not only increase the signal shielding effect, but also increase the heat insulation and temperature resistance. The braided core wire is extruded through the sheath layer 5 to protect it. The sheath layer 5 is made of tetrafluoroethylene material. Tetrafluoroethylene further provides signal protection and high temperature resistance, while ensuring its physical properties, improving the signal transmission performance of the cable. The heat insulation and high temperature resistance of this type of cable are increased, ensuring its signal transmission quality under high temperature conditions.

[0021] The outer wall of the insulating layer 2 contacts the inner wall of the aluminum foil layer 3, the outer wall of the aluminum foil layer 3 contacts the inner wall of the fiber braided layer 4, the outer wall of the fiber braided layer 4 contacts the inner wall of the sheath layer 5, the thickness of the insulating layer 2, the aluminum foil layer 3 and the fiber braided layer 4 is 0.1-0.3mm, and the thickness of the sheath layer 5 is 0.5-0.6mm.

[0022] The 8 cores are No. 1, 2, 3, 4, 5, 6, 7, and 8, and their corresponding colors are white-brown, brown, white-green, green, white-orange, orange, white-blue, and blue. Then, core 1 and core 2, core 3 and core 4, core 5 and core 6, core 7 and core 8 are twisted in a twisting machine to form 4 pairs of twisted cores with different pitches. The 4 pairs of cores are then cabled counterclockwise using a cabling machine with 14 times the pitch multiple to form a round core. The cabled cores are then longitudinally wrapped with a layer of aluminum foil and then braided by a 16-spindle high-speed braiding machine.

[0023] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be implemented in other specific forms without departing from the spirit or basic features of the utility model; therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is limited by the attached claims rather than the above description. Therefore, it is intended to include all changes within the meaning and scope of the equivalent elements of the claims in the utility model, and any figure marks in the claims should not be regarded as limiting the claims involved.

[0024] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A high temperature resistant communication cable, comprising a core conductor (1), characterized in that: A total of eight core conductors (1) are provided and are evenly arranged; the evenly arranged core conductors (1) are all wrapped with an insulating layer (2) on the outside; the evenly arranged insulating layers (2) are all wrapped with an aluminum foil layer (3) on the outside; the aluminum foil layer (3) is wrapped with a fiber braided layer (4) on the outside; and the fiber braided layer (4) is wrapped with a sheath layer (5) on the outside; The outer wall of the insulating layer (2) contacts the inner wall of the aluminum foil layer (3), the outer wall of the aluminum foil layer (3) contacts the inner wall of the fiber braided layer (4), and the outer wall of the fiber braided layer (4) contacts the inner wall of the sheath layer (5).

2. A high temperature resistant communication cable according to claim 1, characterized in that: The core conductor (1) is a copper conductor.

3. A high temperature resistant communication cable according to claim 1, characterized in that: The core conductor (1) and the insulating layer (2) form a core, and the evenly arranged cores are twisted together.

4. A high temperature resistant communication cable according to claim 1, characterized in that: The insulating layer (2) is made of polyethylene material.

5. A high temperature resistant communication cable according to claim 1, characterized in that: The sheath layer (5) is made of tetrafluoroethylene material.

6. A high temperature resistant communication cable according to claim 1, characterized in that: The thickness of the insulating layer (2), the aluminum foil layer (3) and the fiber braided layer (4) is 0.1-0.3 mm, and the thickness of the sheath layer (5) is 0.5-0.6 mm.

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