Coaxial cable capable of preventing high-frequency noise and static electricity

Abstract

The utility model discloses an anti-high-frequency noise and antistatic coaxial cable, which comprises an inner conductor, a first antistatic layer fixed on the outer side of the inner conductor, a first insulating layer fixed on the outer side of the first antistatic layer, an outer conductor fixed on the outer side of the first insulating layer, and a sheath mounted on the outer side of the outer conductor. The two high-frequency noise shielding layers are fixedly installed in the sheath, the inner conductor and the outer conductor are subjected to antistatic operation at the same time, the antistatic effect of the coaxial cable is improved, the two high-frequency noise shielding layers are arranged in the sheath and arranged in a staggered mode, and the antistatic effect of the coaxial cable is improved. The coincidence rate of a gap between the two high-frequency noise shielding layers is reduced, and the high-frequency noise prevention effect of the coaxial cable is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of coaxial cables, in particular to a high-frequency noise-proof and anti-static coaxial cable. Background Art

[0002] Coaxial cable refers to a cable with two concentric conductors, and the conductors and shielding layer share the same axis. Existing coaxial cables are mostly composed of an inner conductor, an insulating layer, an outer conductor and a sheath. During the use of coaxial cables, the electromagnetic high-frequency noise generated by some electronic devices will cause radiation effects on the coaxial cables. Therefore, a high-frequency noise shielding layer will be installed on the coaxial cable to cancel the impact of high-frequency noise on the coaxial cable. However, a large gap will appear in the high-frequency noise shielding layer, resulting in unsatisfactory high-frequency noise protection effect. Utility Model Content

[0003] The utility model aims to provide a coaxial cable that is resistant to high-frequency noise and static electricity, so as to solve the problems raised in the above-mentioned background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solution: an anti-high-frequency noise and anti-static coaxial cable, comprising an inner conductor, a first anti-static layer is fixed to the outside of the inner conductor, a first insulating layer is fixed to the outside of the first anti-static layer, an outer conductor is fixed to the outside of the first insulating layer, a sheath is installed on the outside of the outer conductor, a high-frequency noise shielding layer is fixed inside the sheath, and the high-frequency noise shielding layer is two layers.

[0005] As a further preferred embodiment of the present technical solution, the two layers of high-frequency noise shielding layers are arranged in a staggered manner.

[0006] As a further preferred embodiment of the present technical solution, the high-frequency noise shielding layer is woven by extremely fine copper wires, and the diameter of the copper wires is 0.05 mm.

[0007] As a further preferred embodiment of the technical solution, a second antistatic layer is fixedly installed on the outer side of the outer conductor, a second insulating layer is fixed on the outer side of the second antistatic layer, and the second insulating layer is fixed inside the sheath.

[0008] As a further preferred embodiment of the present technical solution, a waterproof layer is fixedly installed on the outer side of the sheath.

[0009] The utility model provides a coaxial cable that is anti-high frequency noise and anti-static, and has the following beneficial effects:

[0010] (1) The utility model provides a first antistatic layer and a first insulating layer on the outer side of the inner conductor to provide antistatic treatment for the inner conductor, and provides a second antistatic layer and a second insulating layer on the outer side of the outer conductor to provide antistatic treatment for the outer conductor. By simultaneously providing antistatic treatment for the inner conductor and the outer conductor, the antistatic effect of the coaxial cable is improved.

[0011] (2) The utility model reduces the overlap rate of gaps between the two high-frequency noise shielding layers by arranging two high-frequency noise shielding layers inside the sheath and improves the high-frequency noise protection effect of the coaxial cable. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0013] Figure 2 It is a schematic diagram of the explosion structure of the utility model;

[0014] Figure 3 It is a partial cross-sectional structural schematic diagram of the utility model;

[0015] In the figure: 1. inner conductor; 2. first antistatic layer; 3. first insulating layer; 4. outer conductor; 5. sheath; 6. high-frequency noise shielding layer; 7. second antistatic layer; 8. second insulating layer; 9. waterproof layer. DETAILED DESCRIPTION

[0016] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0017] The utility model provides a technical solution: Figures 1 to 3 As shown, in this embodiment, the high-frequency noise and anti-static coaxial cable includes an inner conductor 1, a first anti-static layer 2 is fixed to the outside of the inner conductor 1, a first insulating layer 3 is fixed to the outside of the first anti-static layer 2, an outer conductor 4 is fixed to the outside of the first insulating layer 3, a sheath 5 is installed on the outside of the outer conductor 4, a high-frequency noise shielding layer 6 is fixed inside the sheath 5, and the high-frequency noise shielding layer 6 is two layers and overlapped.

[0018] like Figures 1 to 3 As shown, the two layers of high-frequency noise shielding layers 6 are arranged in a staggered manner.

[0019] By staggering the two high-frequency noise shielding layers 6, the overlap rate of the gaps between the two high-frequency noise shielding layers 6 is reduced, thereby improving the high-frequency noise protection effect of the coaxial cable.

[0020] like Figures 1 to 3As shown, the high-frequency noise shielding layer 6 is woven by extremely fine copper wires, and the diameter of the copper wires is 0.05 mm.

[0021] By weaving the high-frequency noise shielding layer 6 with extremely fine copper wires, the overlap rate of the gaps between the two layers of the high-frequency noise shielding layer 6 is reduced as much as possible.

[0022] like Figures 1 to 3 As shown, a second antistatic layer 7 is fixedly mounted on the outer side of the outer conductor 4 , a second insulating layer 8 is fixed on the outer side of the second antistatic layer 7 , and the second insulating layer 8 is fixed inside the sheath 5 .

[0023] The outer conductor 4 is protected from static electricity by a second antistatic layer 7 and a second insulating layer 8 provided on the outer side of the outer conductor 4 .

[0024] like Figures 1 to 3 As shown, a waterproof layer 9 is fixedly installed on the outer side of the sheath 5 .

[0025] Used for waterproofing coaxial cables.

[0026] The utility model provides a coaxial cable that is resistant to high-frequency noise and static electricity. The specific working principle is as follows:

[0027] When the device is in use, a first antistatic layer 2 and a first insulating layer 3 are arranged on the outer side of the inner conductor 1 to perform antistatic treatment on the inner conductor 1, and a second antistatic layer 7 and a second insulating layer 8 are arranged on the outer side of the outer conductor 4 to perform antistatic treatment on the outer conductor 4. By performing antistatic treatment on the inner conductor 1 and the outer conductor 4 at the same time, the antistatic effect of the coaxial cable is improved. At the same time, two high-frequency noise shielding layers 6 are arranged inside the sheath 5. At the same time, by staggering the two high-frequency noise shielding layers 6, the overlap rate of the gaps between the two high-frequency noise shielding layers 6 is reduced, thereby improving the high-frequency noise protection effect of the coaxial cable.

[0028] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. Anti-high frequency noise and anti-static coaxial cable, characterized by: The invention comprises an inner conductor (1), a first antistatic layer (2) being fixed on the outer side of the inner conductor (1), a first insulating layer (3) being fixed on the outer side of the first antistatic layer (2), an outer conductor (4) being fixed on the outer side of the first insulating layer (3), a sheath (5) being installed on the outer side of the outer conductor (4), a high-frequency noise shielding layer (6) being fixed on the inside of the sheath (5), and the high-frequency noise shielding layer (6) being two layers which are arranged overlappingly.

2. The high-frequency noise and anti-static coaxial cable according to claim 1, characterized in that: The two high-frequency noise shielding layers (6) are arranged in a staggered manner.

3. The high-frequency noise and anti-static coaxial cable according to claim 2, characterized in that: The high-frequency noise shielding layer (6) is woven from extremely fine copper wires, and the diameter of the copper wires is 0.05 millimeters.

4. The high-frequency noise and anti-static coaxial cable according to claim 1, characterized in that: A second antistatic layer (7) is fixedly mounted on the outer side of the outer conductor (4), a second insulating layer (8) is fixed on the outer side of the second antistatic layer (7), and the second insulating layer (8) is fixed inside the sheath (5).

5. The high frequency noise and anti-static coaxial cable according to claim 4, characterized in that: A waterproof layer (9) is fixedly mounted on the outer side of the protective sheath (5).

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