CN217847530U

CN217847530U - Communication radio frequency coaxial cable

Info

Publication number: CN217847530U
Application number: CN202221454716.5U
Authority: CN
Inventors: 陈建仁
Original assignee: Shanghai Lize Cable Co ltd
Current assignee: Shanghai Lize Cable Co ltd
Priority date: 2022-06-13
Filing date: 2022-06-13
Publication date: 2022-11-18
Anticipated expiration: 2032-06-13

Abstract

The utility model belongs to the technical field of coaxial cable, a communication radio frequency coaxial cable is disclosed, including the inner conductor core, the outside of inner conductor core has set gradually insulating layer, shielding layer, first weaving layer, second weaving layer and exocuticle, the material of shielding layer is the aluminium foil, first weaving layer adopts silver-plated copper wire area crisscross to weave and cover in on the shielding layer, the second weaving layer adopts copper wire area crisscross to weave and cover on first weaving layer, the inside of exocuticle is provided with the tensile layer. This application carries out double-deck alternately parcel through first, second weaving layer to aluminium foil shielding layer and insulating layer, has strengthened the electromagnetic interference resistance effect of weaving layer greatly, has improved the holistic mechanical strength of cable simultaneously, forms the tubular structure with tensile layer fibre and polyethylene material complex through hot plastic process, effectively closely wraps up cable inner structure, has improved the holistic tensile strength of cable and the outer chemical stability ability of cable.

Description

Communication radio frequency coaxial cable

Technical Field

The application relates to the technical field of coaxial cables, in particular to a communication radio frequency coaxial cable.

Background

A radio frequency coaxial cable is a wire and signal transmission line, generally made of four layers of materials: the most important of them are TV transmission, long distance telephone transmission, short distance connection between computer systems and local area network.

Traditional communication radio frequency cable tensile and compressive property are lower, lead to the cable to appear buckling cracking, the condition such as damaged electric leakage, because be connected between outer netted conductor and the insulating layer not inseparable enough, the cable receives the influence of external force to take place the distortion, and its inside sinle silk is influenced very easily, is twisted off the fracture even, and life is lower.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems, the present application provides a communication rf coaxial cable.

The application provides a communication radio frequency coaxial cable adopts following technical scheme:

the utility model provides a communication radio frequency coaxial cable, includes the inner conductor core, the outside of inner conductor core has set gradually insulating layer, shielding layer, first weaving layer, second weaving layer and exocuticle, the material of shielding layer is the aluminium foil, first weaving layer adopts silver-plated copper wire area crisscross to weave and cover in on the shielding layer, the second weaving layer adopts copper wire area crisscross to weave and cover on first weaving layer, the inside of exocuticle is provided with the tensile layer.

Further, the inner conductor wire core is a silver-plated solid copper wire with the diameter of 2.30 mm.

Through above-mentioned technical scheme, circuit transmission's stability and holistic structural strength have effectively been promoted.

Further, the insulating layer is a tubular structure which is made of polytetrafluoroethylene resin through foaming modification, wherein the content of a foaming agent accounts for 45% of the total mass.

Through above-mentioned technical scheme, porous structure has improved structure fillibility and stability, has alleviateed the weight of cable.

Further, the braiding angle of the first braided layer and the second braided layer is 40 degrees, and the braiding density is 85%.

Through above-mentioned technical scheme, the electromagnetic interference resistance effect of weaving layer has been strengthened, the holistic mechanical strength of cable has been improved simultaneously.

Furthermore, the tensile layer is made of Kevlar aramid fibers.

Through above-mentioned technical scheme, the tensile property of cable has been improved.

Furthermore, the outer skin layer is made of polyethylene, and is compounded with the tensile layer through a thermoplastic process to form a tubular structure.

Through above-mentioned technical scheme, improved the outer chemical stability of cable, electric insulating properties is good.

To sum up, the present application includes at least one of the following advantageous technical effects:

(1) According to the cable, the first woven layer and the second woven layer are used for double-layer cross wrapping of the aluminum foil shielding layer and the insulating layer, so that the electromagnetic interference resistance of the woven layers is greatly enhanced, and the integral mechanical strength of the cable is improved;

(2) This application forms the tubular structure with tensile layer fibre and polyethylene material complex through hot plastic process, effectively closely wraps up cable inner structure, has improved the holistic tensile property of cable and the outer chemical stability ability of cable.

Drawings

FIG. 1 is a schematic structural diagram of the present application;

fig. 2 is a schematic cross-sectional view of the present application.

The reference numbers in the figures illustrate:

1. an inner conductor core; 2. an insulating layer; 3. a shielding layer; 4. a first woven layer; 5. a second woven layer; 6. an outer skin layer; 7. a tensile layer.

Detailed Description

The technical solution in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application; it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all embodiments, and all other embodiments obtained by those of ordinary skill in the art without any inventive work based on the embodiments in the present application belong to the protection scope of the present application.

In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of 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 application. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present application, it should be noted that, unless otherwise explicitly stated or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like, are to be interpreted broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; 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 meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

Example 1:

the present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses communication radio frequency coaxial cable, including inner conductor core 1, inner conductor core 1's the outside has set gradually insulating layer 2, shielding layer 3, first weaving layer 4, second weaving layer 5 and ectotheca 6, shielding layer 3's material is the aluminium foil, first weaving layer 4 adopts silver-plated copper wire area to crisscross weave and cover on shielding layer 3, second weaving layer 5 adopts copper wire area to crisscross weave and cover on first weaving layer 4, ectotheca 6's inside is provided with tensile layer 7.

Please refer to fig. 1-2, the inner conductor wire core 1 is a silver-plated solid copper wire with a diameter of 2.30mm, which effectively improves the stability of line transmission and the overall structural strength, the insulating layer 2 is a tubular structure made of polytetrafluoroethylene resin through foaming modification, wherein the content of a foaming agent is 45% of the total mass, the porous structure improves the structural filling degree and the stability, the weight of the cable is reduced, the weaving angle of the first weaving layer 4 and the second weaving layer 5 is 40 °, the weaving density is 85%, the electromagnetic interference resistance of the weaving layers is enhanced, the overall mechanical strength of the cable is improved, the tensile layer 7 is made of kevlar aramid fiber, the tensile property of the cable is improved, the outer skin layer 6 is made of polyethylene, the tubular structure is formed by compounding the thermoplastic process and the tensile layer 7, the chemical stability of the outer layer of the cable is improved, and the electrical insulation property is excellent.

The communication radio frequency coaxial cable of the embodiment of the application has the following implementation principle: through adopting 2.30 mm's silver-plated solid copper line as the inner conductor, line transmission's stability and holistic structural strength have effectively been promoted, through the knot reason layer that polytetrafluoroethylene resin made through the foaming modification, structural filling degree and stability have been improved, the weight of cable has been alleviateed greatly, shielding layer 3 through adopting the aluminium foil material, also alleviateed the dead weight of structure when making shielding effect better, through first, second weaving layer 5 carries out double-deck alternately parcel to aluminium foil shielding layer 3 and insulating layer 2, the electromagnetic interference resistance effect of weaving layer has been strengthened greatly, the holistic mechanical strength of cable has been improved simultaneously, form tubular structure with tensile layer 7 fibre and polyethylene material complex through hot plastic process, effectively closely wrap up cable inner structure, the holistic tensile strength of cable and the outer chemical stability ability of cable have been improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A communication radio frequency coaxial cable comprising an inner conductor core (1), characterized in that: the outside of inner conductor core (1) has set gradually insulating layer (2), shielding layer (3), first weaving layer (4), second weaving layer (5) and cortex (6), the material of shielding layer (3) is the aluminium foil, first weaving layer (4) adopt silvering copper wire area crisscross weave and cover in on shielding layer (3), second weaving layer (5) adopt copper wire area crisscross weave and cover on first weaving layer (4), the inside of cortex (6) is provided with tensile layer (7).

2. The communication radio frequency coaxial cable of claim 1, wherein: the inner conductor wire core (1) is a silver-plated solid copper wire with the diameter of 2.30 mm.

3. The communication radio frequency coaxial cable of claim 1, wherein: the insulating layer (2) is a tubular structure which is prepared by foaming and modifying polytetrafluoroethylene resin, wherein the content of a foaming agent accounts for 45% of the total mass.

4. The communication radio frequency coaxial cable of claim 1, wherein: the braiding angle of the first braided layer (4) and the second braided layer (5) is 40 degrees, and the braiding density is 85 percent.

5. The communication radio frequency coaxial cable of claim 1, wherein: the tensile layer (7) is made of Kevlar aramid fibers.

6. A communications radio frequency coaxial cable according to claim 1, wherein: the outer skin layer (6) is made of polyethylene, and is compounded with the tensile layer (7) through a thermoplastic process to form a tubular structure.