CN211788224U

CN211788224U - High-shielding vibration coaxial cable

Info

Publication number: CN211788224U
Application number: CN202020897652.0U
Authority: CN
Inventors: 陈伟乐; 肖翠玉; 梁国超
Original assignee: Zhuhai Yuxun Coaxial Cable Co Ltd
Current assignee: Zhuhai Yuxun Coaxial Cable Co Ltd
Priority date: 2020-05-26
Filing date: 2020-05-26
Publication date: 2020-10-27
Anticipated expiration: 2030-05-26

Abstract

The utility model discloses a high-shielding vibration coaxial cable, which comprises an outermost sheath layer, and a shielding layer and an insulating layer which are arranged from the outside of the sheath layer to the inside; the cable and the stretch-resistant fabric are arranged in the insulating layer in an extending mode along the length direction of the sheath; the cable is helically wound around the stretch resistant fabric. The utility model improves the sensitivity of the cable by setting the cable into a spiral structure, and simultaneously, the shielding layer adopts the single-sided aluminum-plastic composite film belt and the braided layer tinned copper wire, so that the overall shielding efficiency of the cable is greatly improved, thereby ensuring that the transmission signal of the cable is not influenced by external electromagnetic waves and keeping the flexibility of the cable; the sheath adopts the rat-proof soft low-smoke halogen-free, enlarges the application occasions of the cable, can be laid in severe natural environment, complicated terrain, landform and irregular peripheral area, can also prevent the harm of rats and ants, and improves the fire safety and transmission reliability of the cable.

Description

High-shielding vibration coaxial cable

Technical Field

The utility model belongs to the technical field of the cable, specifically speaking relates to a high shielding vibration coaxial cable.

Background

The cable is a basic element for realizing electric energy transmission and distribution, and the comprehensive performance requirement of the power distribution network on the cable is continuously improved along with the complexity of a user terminal. The most basic performance requirements of the cable comprise conductivity, insulation performance and mechanical performance, and with the continuous improvement of safety consciousness and environmental protection consciousness of people, the safety performance and the environmental protection performance of the cable become the key points of the development of the cable. Especially in the application places such as public buildings, high-rise civil buildings, petrochemical enterprises, scientific research institutions and the like, the safety performance and the environmental protection performance of the cable are the key points for guaranteeing the life and property safety of people and the information data safety.

The traditional stranded copper wire in the existing market is physically foamed PE (polyethylene) of an inner conductor and an insulating layer, is stranded with a ground wire and a sheath PVC (polyvinyl chloride), and has the following defects in the application process of the traditional structure: the inner conductor of the common vibration cable is formed by twisting a plurality of pure copper wires, and has good flexibility and poor elasticity; the amplitude is small, and the sensitivity is relatively low; the insulation layer of the common vibration cable is a physical foaming polyethylene insulation layer, although the insulation layer has good flexibility, the insulation layer has a larger blocking effect on the vibration of the inner conductor; when the cable is vibrated slightly, the amplitude of the inner conductor is smaller or no vibration is generated; the shielding effect of a common vibrating cable is not ideal, and in some occasions with many signal sources, transmission signals are easily interfered to influence the normal work of the cable; the common vibration cable has poor moisture-proof and rat-proof performance, poor external-protection performance and greatly limited use conditions and laying conditions.

In view of this, the present invention is provided.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the present invention is to overcome the deficiencies of the prior art, and to provide a high-shielding vibrating cable which can overcome the above problems or at least partially solve the above problems.

In order to solve the technical problem, the utility model adopts the following basic concept: a high-shielding vibration coaxial cable comprises

The protective sleeve comprises a protective sleeve layer on the outermost layer, and a shielding layer and an insulating layer which are arranged from the outer side of the protective sleeve layer to the inside;

the cable and the stretch-resistant fabric are arranged in the insulating layer in an extending mode along the length direction of the sheath;

wherein the cable is helically wound around the stretch resistant fabric.

Particularly, the cable is designed to be single spiral, the material is beryllium copper, the elasticity is very good, the sensitivity of the cable is greatly improved, the cable can be felt by external vibration at any point, and the cable is suitable for being used in the environment with strong vibration impact, and is high in crimping strength and good in tensile capability.

In addition, the sheath layer is a rat-proof soft low-smoke halogen-free sheath; particularly, the sheath adopts the soft low smoke and zero halogen of protection against rodents, enlarges cable application occasion, can lay in abominable natural environment: high or low temperature environment, severe weather environment such as wind, rain, snow, fog and the like, and laying in complex terrains, landforms and irregular peripheral areas. And the damage of mice and ants can be prevented, and the fireproof safety and the transmission reliability of the cable are improved.

Meanwhile, the shielding layer comprises a first shielding layer and a second shielding layer which are arranged from outside to inside;

the first shielding layer is a shielding surface formed by weaving a tinned copper wire;

the second shielding layer is a single-sided aluminum-plastic composite film belt;

particularly, the shielding layer adopts a single-side aluminum-plastic composite film belt and a braided layer tinned copper wire, the shielding effectiveness can reach 120db, the overall shielding effectiveness of the cable is greatly improved, and therefore the transmission signal of the cable is not influenced by external electromagnetic waves. And maintains the flexibility of the cable.

And an insulating layer is arranged in the shielding layer, and each insulating layer is wrapped with a cable.

Further, the insulating layer is a tubular structure made of PE materials; specifically, the insulating layer is in the shape of a PE pipe, and does not hinder the production of the spiral conductor while protecting it, thereby leaving the spiral conductor free from any constraint.

Furthermore, the inside of restrictive coating is provided with, wraps up in the outside filler of insulating layer.

In addition, the cable is a spiral glass copper wire.

After the technical scheme is adopted, compared with the prior art, the utility model following beneficial effect has: the utility model relates to a high shielding vibration coaxial cable, through setting up the cable to spiral structure, improve the sensitivity of cable spirit greatly, the shielding layer adopts single face plastic-aluminum composite membrane area and weaving layer tinned copper wire simultaneously, shielding efficiency can reach 120db, makes the holistic shielding efficiency of cable improve greatly to guarantee that cable transmission signal can not receive the influence of external electromagnetic wave, and keep the cable compliance; the sheath adopts the rat-proof soft low-smoke halogen-free, enlarges the application occasions of the cable, can be laid in severe natural environments, high-temperature or low-temperature environments, severe weather environments such as wind, rain, snow, fog and the like and in complex terrains, landforms and irregular peripheral areas, can also prevent the harm of rats and ants, and improves the fire safety and the transmission reliability of the cable.

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention, are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

In the drawings:

fig. 1 is the structure schematic diagram of the high-shielding vibration coaxial cable of the present invention.

In the figure: 1. a sheath layer; 2. a shielding layer; 201. a first shielding layer; 202. a second shielding layer; 3. an insulating layer; 4. a cable; 5. a stretch resistant fabric; 6. and (4) filling materials.

It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept by those skilled in the art with reference to specific embodiments.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments, and the following embodiments are used for illustrating the present invention, but do not limit the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified 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; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1, the high-shielding vibration coaxial cable of the present invention comprises an outermost sheath layer 1, and a shielding layer 2 and an insulating layer 3 which are disposed in the sheath layer 1 from the outside; a cable 4 and a stretch-resistant fabric 5 which extends along the length direction of the sheath are wrapped in the insulating layer 3;

wherein the cable 4 is helically wound around the stretch resistant fabric 5; the cable 4 is designed to be single spiral, made of beryllium copper, and very good in elasticity, so that the sensitivity of the cable is greatly improved, the cable can be felt by external little vibration, and the cable is suitable for being used in an environment with strong vibration impact, and is high in crimping strength and good in tensile capability.

In addition, the sheath layer 1 is a rat-proof soft low-smoke halogen-free sheath; particularly, the sheath adopts the soft low smoke and zero halogen of protection against rodents, enlarges cable application occasion, can lay in abominable natural environment: high or low temperature environment, severe weather environment such as wind, rain, snow, fog and the like, and laying in complex terrains, landforms and irregular peripheral areas. And the damage of mice and ants can be prevented, and the fireproof safety and the transmission reliability of the cable are improved.

Meanwhile, the shielding layer 2 comprises a first shielding layer 201 and a second shielding layer 202 arranged from outside to inside;

the first shielding layer 201 is a shielding surface formed by weaving a tinned copper wire; the second shielding layer 202 is a single-sided aluminum-plastic composite film belt; the shielding layer 2 adopts a single-side aluminum-plastic composite film belt and a braided layer tinned copper wire, the shielding effectiveness can reach 120db, the overall shielding effectiveness of the cable is greatly improved, and therefore the transmission signal of the cable is not influenced by external electromagnetic waves. And maintains the flexibility of the cable.

Moreover, an insulating layer 3 is arranged in the shielding layer 2, and a cable 4 is wrapped in each insulating layer 3; the insulating layer 3 is a tubular structure made of PE material; specifically, the insulating layer 3 is in the shape of a PE tube, and does not hinder the production of the spiral conductor while protecting it, thereby leaving the spiral conductor free from any constraint; and a filler 6 wrapping the outside of the insulating layer 3 is arranged in the sheath layer 1.

In addition, the cable 4 is a spiral glass-copper wire.

The utility model relates to a high shielding vibration coaxial cable, through setting up cable 4 to spiral structure, improve the sensitivity of cable spirit greatly, shielding layer 2 adopts single face plastic-aluminum composite film area the second shielding layer 202 and the weaving layer tin-plated copper wire the first shielding layer 201 simultaneously, shielding efficiency can reach 120db, makes the whole shielding efficiency of cable improve greatly to guarantee that cable transmission signal can not receive the influence of external electromagnetic wave, and keep the cable compliance; the sheath adopts the rat-proof soft low-smoke halogen-free, enlarges the application occasions of the cable, can be laid in severe natural environments, high-temperature or low-temperature environments, severe weather environments such as wind, rain, snow, fog and the like and in complex terrains, landforms and irregular peripheral areas, can also prevent the harm of rats and ants, and improves the fire safety and the transmission reliability of the cable.

In the description provided herein, numerous specific details are set forth. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.

Furthermore, those skilled in the art will appreciate that although some embodiments described herein include some features included in other embodiments instead of others, combinations of features of different embodiments are also meant to be within the scope of the invention and form different embodiments. For example, in the above embodiments, those skilled in the art can use the combination according to the known technical solutions and technical problems to be solved by the present application.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and although the present invention has been disclosed with reference to the above preferred embodiment, but not to limit the present invention, any person skilled in the art can make modifications or changes to equivalent embodiments by utilizing the above technical contents without departing from the scope of the present invention, and any simple modification, equivalent change and modification made to the above embodiments by the technical matters of the present invention are within the scope of the present invention.

Claims

1. A high shielding vibration coaxial cable which characterized in that: comprises that

The cable comprises a sheath layer (1) on the outermost layer, and a shielding layer (2) and an insulating layer (3) which are arranged from the outer side of the sheath layer (1) to the inside;

the insulating layer (3) is internally wrapped with a cable (4) and a stretch-resistant fabric (5) which extends along the length direction of the sheath;

wherein the cable (4) is helically wound around the stretch resistant fabric (5).

2. The highly shielded vibrating coaxial cable of claim 1, wherein: the protective sleeve layer (1) is a rat-proof soft low-smoke halogen-free protective sleeve.

3. The highly shielded vibrating coaxial cable of claim 1, wherein:

the shielding layer (2) comprises a first shielding layer (201) and a second shielding layer (202) which are arranged from outside to inside;

the first shielding layer (201) is a shielding surface formed by weaving a tinned copper wire;

the second shielding layer (202) is a single-sided aluminum-plastic composite film belt.

4. The highly shielded vibrating coaxial cable of claim 1, wherein: an insulating layer (3) is arranged in the shielding layer (2), and a cable (4) is wrapped in each insulating layer (3).

5. The highly shielded vibrating coaxial cable according to claim 4, wherein: the insulating layer (3) is of a tubular structure made of PE materials.

6. The highly shielded vibrating coaxial cable according to claim 4, wherein: the sheath layer (1) is internally provided with a filler (6) wrapping the insulating layer (3).

7. A highly shielded vibrating coaxial cable according to any one of claims 1 to 6, wherein: the cable (4) is a spiral glass copper wire.