CN216902337U

CN216902337U - Coaxial cable with service life prolonging function

Info

Publication number: CN216902337U
Application number: CN202123155303.5U
Authority: CN
Inventors: 顾健
Original assignee: Taicang Smooth Cable Co ltd
Current assignee: Taicang Smooth Cable Co ltd
Priority date: 2021-12-15
Filing date: 2021-12-15
Publication date: 2022-07-05
Anticipated expiration: 2031-12-15

Abstract

The utility model discloses a coaxial cable with a service life prolonging function, which comprises a sheath, wherein the inside of the sheath is fixedly connected with a corrosion-resistant layer, the inside of the corrosion-resistant layer is fixedly connected with a high-temperature-resistant layer, external leads are uniformly distributed between the high-temperature-resistant layer and a metal mesh layer, the inside of the metal mesh layer is fixedly connected with an epoxy resin layer, and the inside of the epoxy resin layer is fixedly connected with an internal lead. According to the coaxial cable, the corrosion-resistant layer and the high-temperature-resistant layer are sequentially arranged inside the outer sheath, so that the coaxial cable has good corrosion resistance and high-temperature resistance, the service life of the coaxial cable is prolonged, the epoxy resin layer is arranged on the periphery of the inner lead, and the inner lead is formed by hinging a plurality of copper wires which are mutually wound, so that the phenomenon that the inner lead cannot normally work due to construction bending fracture is avoided.

Description

Coaxial cable with service life prolonging function

Technical Field

The utility model relates to the field of coaxial cables, in particular to a coaxial cable with a service life prolonging function.

Background

Coaxial Cable (Coaxial Cable) is a wire and signal transmission line, generally made of four layers of materials, the innermost is a conductive copper wire, the outside of the wire is surrounded by a layer of plastic (used as an insulator and a dielectric medium), the outside of the insulator is also provided with a layer of thin reticular conductor (generally copper or alloy), then the outside of the conductor is the outermost layer of insulating material as a sheath, the Coaxial Cable can be used for the transmission of analog signals and digital signals and is suitable for various applications, the most important of the Coaxial Cable is television transmission, long distance telephone transmission, short distance connection between computer systems, local area network and the like, and the Coaxial Cable is developed rapidly as a means for transmitting television signals to millions of households, namely, the Cable television.

Present coaxial cable mainly has following two shortcomings, coaxial cable uses as signal transmission, often needs the poling to bury deeply in the underground, and when the pipeline appeared breaking, the acid-base in earth can cause coaxial cable the condition that corrodes to appear, leads to coaxial cable's life to subtract short, and secondly its heart yearn generally is the single line, often can appear leading to the heart yearn to appear cracked condition because bend repeatedly when the construction winding displacement, leads to coaxial cable unable normal work.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a coaxial cable with a service life prolonging function.

In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a coaxial cable with increase of service life function, includes the crust, the inside fixedly connected with corrosion resistant layer of crust, the inside fixedly connected with high temperature resistant layer on corrosion resistant layer, evenly distributed has outside wire between high temperature resistant layer and the metal reticular layer, the inside fixedly connected with epoxy layer on metal reticular layer, the inside fixedly connected with inside wire on epoxy layer.

As a further description of the above technical solution:

the external lead comprises an external conductive insulating layer and an external conductive core wire, and the outside of the external conductive core wire is fixedly connected inside the external conductive insulating layer.

As a further description of the above technical solution:

the metal mesh layer is positioned inside the high-temperature resistant layer.

As a further description of the above technical solution:

and adhesive is filled between the external leads.

As a further description of the above technical solution:

the internal lead comprises an internal conductive insulating layer and an internal conductive core wire, and the outside of the internal conductive core wire is fixedly connected inside the internal conductive insulating layer.

As a further description of the above technical solution:

the inner lead wire is formed by hinging a plurality of copper wires.

As a further description of the above technical solution:

and one side of the external lead, which is far away from the internal lead, is adhered to the inside of the high-temperature resistant layer through an adhesive.

As a further description of the above technical solution:

and one side of the external lead, which is close to the internal lead, is adhered to the outer side of the metal mesh layer through an adhesive.

The utility model has the following beneficial effects:

1. according to the coaxial cable, the corrosion-resistant layer and the high-temperature-resistant layer are sequentially arranged inside the outer skin, so that the coaxial cable has good corrosion resistance and high-temperature resistance, the coaxial cable is prevented from being damaged by acid-base corrosion or high temperature due to the breakage of the pre-buried pipeline, and the service life of the coaxial cable is prolonged.

2. According to the coaxial cable, the epoxy resin layer is arranged on the periphery of the inner lead, and the inner lead is formed by hinging the copper wires which are mutually wound, so that the condition that the inner lead is broken can not occur when the coaxial cable is bent in the construction process, and the phenomenon that the coaxial cable cannot normally work due to the fact that the inner lead is bent and broken in construction is avoided.

Drawings

Fig. 1 is a perspective view of a coaxial cable with a function of prolonging a service life according to the present invention;

fig. 2 is a front view of a coaxial cable with a function of prolonging a service life according to the present invention;

fig. 3 is a top sectional view of a coaxial cable with a function of prolonging a service life according to the present invention.

Illustration of the drawings:

1. a skin; 2. a corrosion-resistant layer; 3. a high temperature resistant layer; 4. an external lead; 5. a metal mesh layer; 6. An epoxy resin layer; 7. an internal lead; 8. an outer conductive insulating layer; 9. an outer conductor wire; 10. an inner conductive insulating layer; 11. an inner core wire; 12. and (4) an adhesive.

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 of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, 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, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, 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 meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.

Referring to fig. 1-3, one embodiment of the present invention is provided: a coaxial cable with a service life prolonging function comprises a sheath 1, wherein an inner part of the sheath 1 is fixedly connected with a corrosion-resistant layer 2, an inner part of the corrosion-resistant layer 2 is fixedly connected with a high-temperature-resistant layer 3, the corrosion-resistant layer 2 and the high-temperature-resistant layer 3 are sequentially arranged in the sheath 1, so that the coaxial cable has good corrosion resistance and high-temperature resistance, the damage of the coaxial cable caused by acid-base corrosion or high temperature due to the breakage of a pre-buried pipeline is avoided, the service life of the coaxial cable is prolonged, outer leads 4 are uniformly distributed between the high-temperature-resistant layer 3 and a metal reticular layer 5, the inner part of the metal reticular layer 5 is fixedly connected with an epoxy resin layer 6, the inner part of the epoxy resin layer 6 is fixedly connected with an inner lead 7, the outer lead 4 and the inner lead 7 are used for signal transmission, the metal reticular layer 5 is of a copper reticular structure, and the characteristic impedance of the metal reticular layer is 50 omega, have good anti-interference effect, make inside conductor 7 and outside conductor 4 when transmission signal, can not mutual interference, set up epoxy layer 6 through the periphery at inside conductor 7 to lead core line 11 in will and set up to many intertwine's copper line articulated forming, when making coaxial cable bend in the work progress, the cracked condition of core line 11 in leading takes place for can not appearing, and lead core line 11 in avoiding and bend the fracture and take place the unable normal work of coaxial cable because of the construction.

The external lead 4 comprises an external insulation layer 8 and an external core lead 9, the external part of the external core lead 9 is fixedly connected inside the external insulation layer 8, the metal reticular layer 5 is positioned inside the high temperature resistant layer 3, an adhesive 12 is filled between the external lead 4, the position of the external lead 4 is fixed, the internal lead 7 comprises an internal insulation layer 10 and an internal core lead 11, the external part of the internal core lead 11 is fixedly connected inside the internal insulation layer 10, the internal core lead 11 is formed by hinging a plurality of copper wires which are mutually wound, when the coaxial cable is bent in the construction process, the condition that the internal core lead 11 is broken can not occur, one side of the external lead 4, which is far away from the internal lead 7, is adhered inside the high temperature resistant layer 3 through the adhesive 12, one side of the external lead 4, which is close to the internal lead 7, is adhered outside the metal reticular layer 5 through the adhesive 12, further fixing the position of the external lead 4.

The working principle is as follows: firstly, the corrosion-resistant layer 2 and the high-temperature-resistant layer 3 are sequentially arranged in the outer skin 1, so that the coaxial cable has good corrosion resistance and high-temperature resistance, the coaxial cable is prevented from being damaged by acid-base corrosion or high temperature due to the breakage of an embedded pipeline, the service life of the coaxial cable is prolonged, the outer lead 4 and the inner lead 7 are used for signal transmission, the metal reticular layer 5 is a copper reticular structure, the characteristic impedance is 50 omega, and the anti-interference effect is good, so that the inner lead 7 and the outer lead 4 can not interfere with each other when transmitting signals, when the coaxial cable is bent in the construction process, the epoxy resin layer 6 is arranged on the periphery of the inner lead 7, and the inner lead 11 is formed by hinging a plurality of copper wires which are mutually wound, the condition that the inner conductive core wire 11 is broken can not occur, and the phenomenon that the inner conductive core wire 11 cannot normally work due to the fact that the coaxial cable is broken due to construction bending is avoided.

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 can still make modifications to the technical solutions described in the foregoing embodiments, or make equivalent substitutions and improvements to part of the technical features of the foregoing embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Coaxial cable with extended service life function, comprising a sheath (1), characterized in that: the anti-corrosion coating is characterized in that the corrosion-resistant layer (2) is fixedly connected to the inner portion of the outer skin (1), the high-temperature-resistant layer (3) is fixedly connected to the inner portion of the corrosion-resistant layer (2), the external wires (4) are uniformly distributed between the high-temperature-resistant layer (3) and the metal mesh layer (5), the epoxy resin layer (6) is fixedly connected to the inner portion of the metal mesh layer (5), and the internal wires (7) are fixedly connected to the inner portion of the epoxy resin layer (6).

2. A coaxial cable having a service life extending function as defined in claim 1, wherein: the external lead (4) comprises an external lead insulation layer (8) and an external lead core wire (9), and the external part of the external lead core wire (9) is fixedly connected with the internal part of the external lead insulation layer (8).

3. A coaxial cable having a service life extending function as defined in claim 1, wherein: the metal net layer (5) is positioned inside the high-temperature resistant layer (3).

4. A coaxial cable having a service life extending function as defined in claim 1, wherein: and adhesive (12) is filled between the external leads (4).

5. A coaxial cable having a service life extending function as defined in claim 1, wherein: the internal lead (7) comprises an internal conductive insulating layer (10) and an internal conductive core wire (11), and the outside of the internal conductive core wire (11) is fixedly connected with the inside of the internal conductive insulating layer (10).

6. A coaxial cable having a service life extending function as defined in claim 5, wherein: the inner conducting core wire (11) is formed by hinging a plurality of copper wires.

7. A coaxial cable with extended service life functionality as claimed in claim 1, wherein: one side of the external lead (4) far away from the internal lead (7) is adhered to the inside of the high temperature resistant layer (3) through an adhesive (12).

8. A coaxial cable with extended service life functionality as claimed in claim 1, wherein: one side of the external lead (4) close to the internal lead (7) is adhered to the outer side of the metal mesh layer (5) through an adhesive (12).