CN218768801U

CN218768801U - High-voltage-resistant communication cable

Info

Publication number: CN218768801U
Application number: CN202223095272.3U
Authority: CN
Inventors: 关著铭; 刘小华; 冼侨信
Original assignee: Grand Ease Communication Cable Co ltd
Current assignee: Grand Ease Communication Cable Co ltd
Priority date: 2022-11-21
Filing date: 2022-11-21
Publication date: 2023-03-28
Anticipated expiration: 2032-11-21

Abstract

The utility model discloses a high-voltage-resistant communication cable, which belongs to the technical field of communication cables and aims to solve the problems that the existing communication cable is pulled or bent by the action of wind swing under the severe environment, the whole fatigue resistance can be reduced, and the cable is locally damaged and the service life of the cable is reduced under the concentrated external pressure, wherein an inner sheath is wrapped at the inner side of a flame-retardant outer sheath; the inner side of the inner sheath is wrapped with a steel strip armor; the inner side of the steel tape armor is wrapped with four groups of optical fibers which are distributed in an annular array mode; and a metal reinforcement is arranged in the steel strip armor. The utility model discloses in can improve the stability of cable inner structure through mutually supporting by the support frame, because be equipped with three arc shell fragments in the metal reinforcement cavity, further improve compressive capacity, the metal reinforcement leads to the chamber structure for the cylindricality simultaneously, can reduce whole weight, can show through lightening cable weight and promote fortune dimension convenience.

Description

High-voltage-resistant communication cable

Technical Field

The utility model relates to a communication cable technical field especially relates to a high voltage resistant communication cable.

Background

This section merely provides background information related to the present application so as to enable those skilled in the art to more fully and accurately understand the present application, which is not necessarily prior art.

A communications cable is a cable that transmits telephone, telegraph, facsimile documents, television and radio programs, data and other electrical signals. Is formed by twisting more than one pair of mutually insulated wires. Compared with an overhead open wire, the communication cable has the advantages of large communication capacity, high transmission stability, good confidentiality, less influence of natural conditions and external interference and the like.

Current communication cable is when using, and the cable is in under the abominable condition of environment, receives the wind pendulum effort to draw and draws or crooked, can reduce holistic fatigue resistance, and the cable is receiving under external pressure in the concentration moreover, is leaded to the cable local impaired, reduces its life, and the inside filler of cable can increase whole weight in addition, and later stage operation and maintenance is more troublesome.

Therefore, in view of the above, research and improvement are made on the existing structure and defects, and a high voltage resistant communication cable is provided in order to achieve the purpose of having more practical value.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a high pressure resistant communication cable to solve current communication cable and be in under the abominable condition of environment, receive wind pendulum effort and draw and drag or crooked, can reduce holistic fatigue resistance, the cable is receiving external pressure in concentrating moreover under, is leaded to the cable part impaired, reduces its life's problem.

The utility model discloses a following technical scheme realizes: a high voltage tolerant communications cable comprising: the cable comprises a flame-retardant outer sheath, an inner sheath, a steel strip armor, an optical fiber, a metal reinforcement and a support frame, wherein the inner sheath is wrapped on the inner side of the flame-retardant outer sheath; the inner side of the inner sheath is wrapped with a steel strip armor; the inner side of the steel tape armor is wrapped with four groups of optical fibers which are distributed in an annular array mode; a metal reinforcing piece is arranged in the steel tape armor and is positioned at the center of the four groups of optical fibers; the periphery of the metal reinforcing part is provided with four supporting frames.

Furthermore, the steel-tape armor is of a cylindrical through cavity structure, and the steel-tape armor is provided with telescopic ring sleeves which are uniformly distributed at intervals at the same distance.

Furthermore, the outside cover of optic fibre is equipped with the aluminium foil shielding layer, and optic fibre and aluminium foil shielding layer constitute triangle-shaped cross-section structure to optic fibre and aluminium foil shielding layer are located between two adjacent support frames.

Furthermore, the metal reinforcement is a cylindrical through cavity structure, three arc-shaped elastic pieces are arranged in a cavity of the metal reinforcement, and the three arc-shaped elastic pieces are distributed in an annular array mode.

Furthermore, the support frames are distributed in an annular array mode, the support frames are of a hexagonal frame structure, and gel filling paste is arranged in the frame of the support frames.

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

1. this communication cable's steel band armor is equipped with flexible ring cover, because flexible ring cover evenly distributed can improve holistic tensile strength through flexible ring cover at the steel band armor, has good bendability and fatigue resistance, guarantees the life of cable.

2. This communication cable is equipped with the support frame everywhere, fills the cream through set up gel in the support frame, utilizes gel to fill cream mechanical cushioning effect, can cushion concentrated external pressure, has avoided this communication cable local impaired, has increased substantially communication cable's life.

3. This communication cable is equipped with the metal reinforcement, can improve the stability of cable inner structure through mutually supporting by the support frame, because be equipped with three arc shell fragments in the metal reinforcement cavity, further improve compressive capacity, the metal reinforcement leads to the cavity structure for the cylindricality simultaneously, can reduce whole weight, can show through lightening cable weight and promote fortune dimension convenience.

Drawings

Fig. 1 is a schematic axial view of the present invention.

Fig. 2 is a schematic structural view of the utility model shown in fig. 1 after the flame-retardant outer sheath and the inner sheath are removed.

Fig. 3 is a schematic structural view of the optical fiber, the metal reinforcement and the supporting frame of the present invention.

Fig. 4 is a schematic diagram of the structure of the explosion state of the present invention, which is drawn from fig. 3.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a flame retardant outer jacket; 2. an inner sheath; 3. steel tape armoring; 301. a telescopic ring sleeve; 4. an optical fiber; 401. an aluminum foil shielding layer; 5. a metal reinforcement; 501. an arc-shaped elastic sheet; 6. a support frame; 601. and (4) gel filling paste.

Detailed Description

To further clarify the technical solutions and effects adopted by the present application to achieve the intended purpose, the following detailed description is given with reference to the accompanying drawings and preferred embodiments according to the present application.

In the following description, different "one embodiment" or "another embodiment" refers to not necessarily the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

It should be further noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like are used in the orientation or positional relationship indicated in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be construed as limiting the present invention.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

As shown in fig. 1-4, the utility model discloses a high voltage resistant communication cable, include: the flame-retardant cable comprises a flame-retardant outer sheath 1, an inner sheath 2, a steel strip armor 3, an optical fiber 4, a metal reinforcement 5 and a support frame 6, wherein the inner sheath 2 wraps the inner side of the flame-retardant outer sheath 1; the inner side of the inner sheath 2 is wrapped with a steel strip armor 3; the inner side of the steel tape armor 3 is wrapped with four groups of optical fibers 4, and the four groups of optical fibers 4 are distributed in an annular array mode; a metal reinforcing piece 5 is arranged inside the steel tape armor 3, and the metal reinforcing piece 5 is positioned at the center of the four groups of optical fibers 4; the periphery of the metal reinforcing part 5 is provided with four supporting frames 6.

Wherein, steel band armor 3 is the cylindricality and leads to the chamber structure, and is equipped with flexible ring cover 301 on the steel band armor 3 to flexible ring cover 301 interval looks equidistance evenly distributed is equipped with flexible ring cover 301 on the steel band armor 3 of this communication cable, because flexible ring cover 301 evenly distributed can improve holistic tensile strength at steel band armor 3 through flexible ring cover 301, has good bendability and fatigue resistance, guarantees the life of cable.

The aluminum foil shielding layer 401 is sleeved outside the optical fiber 4, the optical fiber 4 and the aluminum foil shielding layer 401 form a triangular cross-section structure, and the optical fiber 4 and the aluminum foil shielding layer 401 are located between two adjacent support frames 6;

support frame 6 is the annular array mode and distributes, and support frame 6 is hexagon frame construction to be equipped with gel packing cream 601 in the frame of support frame 6, this communication cable is equipped with support frame 6 everywhere, fills cream 601 through set up gel in support frame 6, utilizes gel packing cream 601 mechanical cushioning effect, can cushion concentrated external pressure, has avoided this communication cable local impaired, has increased substantially communication cable's life.

Wherein, metal reinforcement 5 leads to the cavity structure for the cylindricality, and be equipped with three arc shell fragment 501 in the 5 cavitys of metal reinforcement, and three arc shell fragment 501 are the ring array mode and distribute, this communication cable is equipped with metal reinforcement 5, can improve the stability of cable inner structure through mutually supporting by support frame 6, because be equipped with three arc shell fragments 501 in the 5 cavitys of metal reinforcement, further improve compressive capacity, metal reinforcement 5 leads to the cavity structure for the cylindricality simultaneously, can reduce whole weight, can show through lightening cable weight and promote fortune dimension convenience.

The specific use mode and function of the embodiment are as follows:

the steel-tape armor 3 in the utility model is provided with the telescopic ring sleeve 301, and the telescopic ring sleeve 301 is uniformly distributed on the steel-tape armor 3, so that the whole tensile strength can be improved through the telescopic ring sleeve 301, and the cable has good flexibility and fatigue resistance, and the service life of the cable is ensured; by arranging the gel filling paste 601 in the support frame 6, concentrated external pressure can be buffered by utilizing the mechanical buffering effect of the gel filling paste 601, so that the local damage of the communication cable is avoided, and the service life of the communication cable is greatly prolonged; through mutually supporting by support frame 6 can improve the stability of cable inner structure, because be equipped with three arc shell fragment 501 in the 5 cavitys of metal reinforcement, further improve compressive capacity, metal reinforcement 5 leads to the cavity structure for the cylindricality simultaneously, can reduce whole weight, can show through lightening cable weight and promote fortune dimension convenience.

The technical means disclosed by the scheme of the present invention is not limited to the technical means disclosed by the above embodiments, but also includes the technical scheme formed by the arbitrary combination of the above technical features. It should be noted that modifications and embellishments may be made by those skilled in the art without departing from the principles of the present invention and are considered within the scope of the invention.

Claims

1. A high voltage tolerant communication cable, characterized in that high voltage tolerant communication cable comprises: fire-retardant oversheath, inner sheath, steel band armor, optic fibre, metal reinforcement and support frame, wherein:

the inner side of the flame-retardant outer sheath is wrapped with an inner sheath; the inner side of the inner sheath is wrapped with a steel strip armor; the inner side of the steel tape armor is wrapped with four groups of optical fibers which are distributed in an annular array mode;

a metal reinforcing piece is arranged in the steel tape armor and is positioned at the center of the four groups of optical fibers; the periphery of the metal reinforcing part is provided with four supporting frames.

2. The high voltage resistant communication cable according to claim 1, wherein the steel tape armor is a cylindrical through cavity structure, and the steel tape armor is provided with the telescopic loops, and the telescopic loops are uniformly distributed at equal intervals.

3. The communication cable of claim 1, wherein an aluminum foil shielding layer is sleeved outside the optical fiber, the optical fiber and the aluminum foil shielding layer form a triangular cross-sectional structure, and the optical fiber and the aluminum foil shielding layer are located between two adjacent supporting frames.

4. The high voltage resistant communication cable according to claim 1, wherein the metal reinforcement is a cylindrical through cavity structure, and three arc-shaped spring pieces are arranged in the cavity of the metal reinforcement and distributed in an annular array manner.

5. The high voltage resistant communication cable according to claim 1, wherein the supporting frames are distributed in a circular array manner, the supporting frames are of a hexagonal frame structure, and gel filling paste is arranged in the frame of the supporting frame.