CN218455999U

CN218455999U - Communication wire with good shielding performance

Info

Publication number: CN218455999U
Application number: CN202221515033.6U
Authority: CN
Inventors: 童振锋
Original assignee: Dongguan Tuobang Electronic Co ltd
Current assignee: Dongguan Tuobang Electronic Co ltd
Priority date: 2022-06-15
Filing date: 2022-06-15
Publication date: 2023-02-07
Anticipated expiration: 2032-06-15

Abstract

The utility model discloses a communication wire with good shielding performance, which comprises a protective sleeve, a plurality of power lines and a plurality of signal lines; the protective sleeve comprises a protective outer cover, a first shielding layer, a second shielding layer and a third shielding layer; the first shielding layer is arranged on the inner side of the protective outer cover; the second shielding layer is arranged on the inner side of the first shielding layer; the third shielding layer is arranged in the second shielding layer; a shielding interlayer is arranged in the third shielding layer; the power lines are arranged in the second shielding layer; the signal lines are arranged in the third shielding layer, and different signal lines are separated from each other through a shielding interlayer. The utility model discloses excellent shielding performance has.

Description

Communication wire with good shielding performance

Technical Field

The utility model belongs to the communication wire rod field, concretely relates to communication wire rod that shielding performance is good.

Background

In the collection, processing and transmission of multimedia audio and video signals, anti-interference is always the main object of attack of numerous integrators, developers and the like. When a video acquisition card is used for acquiring video signals, the video signals are acquired and compressed and then need to be transmitted to a specified host, and generally, a connecting wire of the equipment is enough. However, in some specific industries, the distance of video transmission is long, and some signal interference phenomena are often encountered in video transmission and acquisition, so that transmitted signals are subjected to fluctuation, interference and the like, irregular thin lines can be seen on a monitor to roll from top to bottom, and the acquired video is subjected to frame loss blurring and the like.

The existing partial signal transmission wire has defects in anti-interference performance and is not beneficial to information transmission.

SUMMERY OF THE UTILITY MODEL

The utility model provides a solve above-mentioned technical problem and provide a communication wire rod that shielding performance is good.

The utility model discloses a realize its technological effect and the solution that adopts does:

a communication wire with good shielding performance comprises a protective sleeve, a plurality of power wires and a plurality of signal wires; the protective sleeve comprises a protective outer cover, a first shielding layer, a second shielding layer and a third shielding layer; the first shielding layer is arranged on the inner side of the protective outer cover; the second shielding layer is arranged on the inner side of the first shielding layer; the third shielding layer is arranged in the second shielding layer; a shielding interlayer is arranged in the third shielding layer; the power lines are arranged in the second shielding layer; the signal lines are arranged in the third shielding layer, and different signal lines are separated from each other through a shielding interlayer.

Preferably, the first shielding layer is an aluminum-plastic composite tape.

Preferably, the second shielding layer is woven by nickel-plated copper wires.

Preferably, the third shielding layer and the shielding interlayer are both aluminum foil mylar strips.

Preferably, the power and signal lines each comprise a conductor and a pp-insulating jacket disposed outside the conductor.

Preferably, the outer side surface of the pp-insulating outer cover of the signal line is coated with a conductive paint.

Preferably, conductive foam is arranged among the second shielding layer, the third shielding layer and the power line.

Preferably, the protective outer cover comprises a polyurethane protective layer, a Kevlar fiber layer and a crosslinked polyethylene insulating layer; the polyurethane protective layer is arranged on the outer side of the first shielding layer; the Kevlar fiber layer is arranged on the outer side of the polyurethane protective layer; the crosslinked polyethylene insulating layer is arranged on the outer side of the Kevlar fiber layer.

The utility model has the advantages that: be provided with the three-layer shielding layer and be used for shielding signal interference to also further shield the possibility of mutual interference through shielding the interlayer between the signal line of difference, the utility model discloses shielding performance is fabulous.

Drawings

Fig. 1 is a cross-sectional view of a wire rod according to an embodiment of the present invention;

fig. 2 is a cross-sectional view of a signal line according to an embodiment of the present invention.

And (3) identification and explanation: the cable comprises a power line 1, a signal line 2, a protective coating 3, a polyurethane protective layer 31, a Kevlar fiber layer 32, a crosslinked polyethylene insulating layer 33, a first shielding layer 4, a second shielding layer 5, a third shielding layer 6, a shielding interlayer 7, conductive paint 8 and conductive foam 9.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When one element is referred to as being "fixedly attached" to another element, it can be fixedly attached by welding, bolting, gluing, or the like.

Referring to fig. 1-2, in a preferred embodiment of the present invention, a communication wire with good shielding performance is disclosed, which includes a protective sheath, a plurality of power lines 1 and a plurality of signal lines 2; the protective sleeve comprises a protective outer cover 3, a first shielding layer 4, a second shielding layer 5 and a third shielding layer 6; the first shielding layer 4 is arranged on the inner side of the protective outer cover 3; the second shielding layer 5 is arranged on the inner side of the first shielding layer 4; the third shielding layer 6 is arranged in the second shielding layer 5; a shielding interlayer 7 is arranged in the third shielding layer 6; the power lines 1 are arranged in the second shielding layer 5; the several signal lines 2 are arranged within the third shielding layer 6 and the different signal lines 2 are separated from each other by a shielding interlayer 7.

Specifically, the first shielding layer 4 is an aluminum-plastic composite tape; the second shielding layer 5 is formed by weaving nickel-plated copper wires; the third shielding layer 6 and the shielding interlayer 7 are both aluminum foil mylar strips. The shielding layer has good shielding effect.

Specifically, the power supply line 1 and the signal line 2 each include a conductor and a pp insulating jacket disposed outside the conductor, and an outer side surface of the pp insulating jacket of the signal line 2 is coated with a conductive paint 8; conductive foam 9 is arranged among the second shielding layer 5, the third shielding layer 6 and the power line 1. The anti-interference performance of the signal line 2 can be further improved by the conductive paint 8 and the conductive cotton.

Specifically, the protective outer cover 3 includes a polyurethane protective layer 31, a kevlar fiber layer 32 and a crosslinked polyethylene insulating layer 33; the polyurethane protective layer 31 is arranged outside the first shielding layer 4; the Kevlar fiber layer 32 is arranged on the outer side of the polyurethane protective layer 31; the crosslinked polyethylene insulation layer 33 is disposed outside the kevlar fiber layer 32. The protective outer cover 3 has the performances of wear resistance, tear resistance and high structural strength, and the service life of the wire rod is ensured.

As can be seen from the above description, the shielding performance of the present invention is good.

While the preferred embodiments of the present invention have been illustrated in detail in the accompanying drawings, it should be understood that the scope of the present invention includes, but is not limited to, the above embodiments; the specific structure disclosed in the drawings is only a preferred embodiment of the present invention, and those skilled in the art can also develop other embodiments on this basis, and any simple deformation or equivalent replacement without departing from the innovative concept of the present invention is covered by the present invention, which belongs to the protection scope of the present invention.

Claims

1. A communication wire that shielding performance is good, characterized by includes:

a protective sleeve; the protective sleeve comprises a protective outer cover, a first shielding layer, a second shielding layer and a third shielding layer; the first shielding layer is arranged on the inner side of the protective outer cover; the second shielding layer is arranged on the inner side of the first shielding layer; the third shielding layer is arranged in the second shielding layer; a shielding interlayer is arranged in the third shielding layer;

a plurality of power lines; the power lines are arranged in the second shielding layer;

a plurality of signal lines; the signal lines are arranged in the third shielding layer, and different signal lines are separated from each other through a shielding interlayer.

2. The communication wire with good shielding performance according to claim 1, wherein: the first shielding layer is an aluminum-plastic composite belt.

3. The communication wire of claim 1, wherein the shielding performance is good: the second shielding layer is woven by nickel-plated copper wires.

4. The communication wire of claim 1, wherein the shielding performance is good: the third shielding layer and the shielding interlayer are both aluminum foil wheat pulling belts.

5. The communication wire of claim 1, wherein the shielding performance is good: the power and signal lines each include a conductor and a pp insulating jacket disposed outside the conductor.

6. The communication wire of claim 5, wherein the shielding performance is good: the outer side surface of the pp-insulating outer cover of the signal wire is coated with a conductive paint.

7. The communication wire of claim 1, wherein the shielding performance is good: conductive foam is arranged among the second shielding layer, the third shielding layer and the power line.

8. The communication wire of claim 1, wherein the shielding performance is good: the protective outer cover comprises a polyurethane protective layer, a Kevlar fiber layer and a crosslinked polyethylene insulating layer; the polyurethane protective layer is arranged on the outer side of the first shielding layer; the Kevlar fiber layer is arranged on the outer side of the polyurethane protective layer; the crosslinked polyethylene insulating layer is arranged on the outer side of the Kevlar fiber layer.