CN-224217283-U - Dampproofing high shielding coaxial cable

Abstract

The utility model discloses a moistureproof high-shielding coaxial cable which comprises an inner conductor, a moistureproof layer, an insulating layer, an isolating layer, a shielding layer and an outer sheath, wherein the inner conductor, the moistureproof layer, the insulating layer, the isolating layer, the shielding layer and the outer sheath are sequentially wrapped from inside to outside and coaxially arranged. The inner conductor is wrapped with the moisture-proof layer, the moisture-proof layer has good waterproof performance, the coaxial cable can be protected from being affected even if the coaxial cable is used in a severe wet environment with water, such as outdoor or underground, and the like, the coaxial cable is prevented from being affected with moisture, and the signal transmission effect and the service life of the coaxial cable are guaranteed. The isolation layer is arranged between the insulation layer and the shielding layer, the shielding effectiveness of the coaxial cable can be improved through the cooperation of the isolation layer and the shielding layer, the application scene that the external electromagnetic interference is more and more caused by using signal sources in the current social environment is met, the leakage of transmitted high-frequency signals can be reduced, the interference of the transmitted signals is avoided, the energy of the high-frequency transmitted signals is improved, and the quality and the transmission distance of the transmitted signals are improved.

Inventors

• CHEN WEILE
• XIAO CUIYU
• LIANG GUOCHAO

Assignees

• 珠海宇讯创新科技有限公司

Dates

Publication Date

20260508

Application Date

20250529

Claims (10)

1. 1. A moisture resistant high shielding coaxial cable comprising: an inner conductor; A moisture barrier; an insulating layer; an isolation layer; A shielding layer; an outer sheath; the inner conductor, the moisture-proof layer, the insulating layer, the isolating layer, the shielding layer and the outer sheath are sequentially wrapped from inside to outside and coaxially arranged.
2. 2. The moisture resistant high shielding coaxial cable of claim 1, wherein the inner conductor is a copper core.
3. 3. The moisture-resistant high shielding coaxial cable of claim 1, wherein the insulating layer is a physically foamed polyethylene layer coaxially wrapped around the inner conductor.
4. 4. The moisture-resistant high-shielding coaxial cable of claim 1, wherein the shielding layer is a copper shielding layer woven from copper wires.
5. 5. The moisture resistant high shielding coaxial cable of any of claims 1-4, wherein the moisture resistant layer is made of a non-hygroscopic polymeric material.
6. 6. The moisture resistant high shielding coaxial cable of any of claims 1-4, wherein the isolation layer is a conductive PVC shielding layer coaxially wrapped around the insulation layer.
7. 7. The moisture resistant high shielding coaxial cable of claim 6, wherein the radial thickness of the conductive PVC shielding layer is 0.05-0.1mm.
8. 8. The moisture resistant high shielding coaxial cable of any of claims 1-4, wherein the outer jacket is a TPU jacket.
9. 9. The moisture resistant high shielding coaxial cable of any of claims 1-4, wherein a flexible reinforcing layer is coaxially disposed between the shielding layer and the outer jacket.
10. 10. The moisture resistant high shielding coaxial cable of claim 9, wherein the flexible reinforcement layer is woven from polyester yarns.

Description

Dampproofing high shielding coaxial cable Technical Field The utility model relates to the technical field of coaxial cables, in particular to a moistureproof high-shielding coaxial cable. Background Coaxial cables have excellent transmission performance and shielding, can be used for the transmission of analog and digital signals, and are suitable for a wide variety of applications, among which television transmission, long distance telephone transmission, short distance connections between computer systems, local area networks, and the like are of paramount importance. The coaxial cable comprises an inner conductor, an insulating layer, a shielding layer and an outer sheath, wherein the inner conductor, the insulating layer, the shielding layer and the outer sheath are sequentially wrapped from inside to outside, the inner conductor is usually a solid copper wire or stranded copper wires or copper-plated steel wires and is mainly responsible for transmitting signals, the insulating layer is wrapped outside the inner conductor to play a role in isolating short circuit or electric leakage of signals, the shielding layer is a mesh-shaped conductor made of copper or alloy or a combination of metal foil and a metal wire braiding layer and is wrapped outside the insulating layer to shield external electromagnetic interference, stable signal transmission is ensured, meanwhile, internal signal leakage can be prevented, and the outer sheath is made of insulating materials and is used for protecting the cable from mechanical damage, chemical corrosion and other adverse factors in the environment. However, based on the basic structure, the coaxial cable has the defects that firstly, when the coaxial cable is used in a multi-signal source occasion, a transmission signal is easy to interfere, so that the signal is obviously distorted, the shielding efficiency is poor, and secondly, the waterproof and moistureproof capacity is poor, the cable is easy to wet, and the signal transmission effect and the service life are influenced. Disclosure of utility model The utility model aims to disclose a moistureproof high-shielding coaxial cable so as to improve the moistureproof effect and shielding effectiveness of the coaxial cable. In order to achieve the aim, the utility model discloses a moistureproof high-shielding coaxial cable which comprises an inner conductor, a moistureproof layer, an insulating layer, an isolating layer, a shielding layer and an outer sheath, wherein the inner conductor, the moistureproof layer, the insulating layer, the isolating layer, the shielding layer and the outer sheath are sequentially wrapped from inside to outside and coaxially arranged. As an alternative embodiment, the inner conductor is a copper core. As an alternative embodiment, the insulating layer is a physically foamed polyethylene layer coaxially wrapped around the inner conductor. As an alternative embodiment, the shielding layer is a copper shielding layer woven from copper wires. As an alternative embodiment, the moisture barrier is made of a non-hygroscopic polymeric material. As an alternative embodiment, the isolation layer is a conductive PVC shield coaxially wrapped around the insulating layer. As an alternative embodiment, the radial thickness of the conductive PVC shield is 0.05-0.1mm. As an alternative embodiment, the outer sheath is a TPU sheath. As an alternative embodiment, a flexible reinforcement layer is coaxially arranged between the shielding layer and the outer jacket. As an alternative embodiment, the flexible reinforcing layer is woven from polyester filaments. Compared with the prior art, the utility model has the beneficial effects that: (1) The inner conductor is wrapped with the moisture-proof layer, the moisture-proof layer has good waterproof performance, the coaxial cable can be protected from being affected even if the coaxial cable is used in severe wet environments with water such as outdoors or underground, the coaxial cable is prevented from being affected by moisture, and the signal transmission effect and the service life of the coaxial cable are guaranteed. (2) The isolation layer is arranged between the insulation layer and the shielding layer, and the cooperation of the isolation layer and the shielding layer can improve the shielding effect of the coaxial cable, so that the application scene that more and more signal sources are used in the current social environment to cause more external electromagnetic interference is met, the leakage of transmitted high-frequency signals can be reduced, the interference of the transmitted signals is avoided, the energy of the high-frequency transmitted signals is improved, and the quality and the transmission distance of the transmitted signals are improved. Drawings In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below,