CN220584978U

CN220584978U - Cable structure

Info

Publication number: CN220584978U
Application number: CN202321729941.XU
Authority: CN
Inventors: 颜君
Original assignee: Changshu Jhosin Communication Technology Co ltd
Current assignee: Changshu Jhosin Communication Technology Co ltd
Priority date: 2023-07-04
Filing date: 2023-07-04
Publication date: 2024-03-12
Anticipated expiration: 2033-07-04

Abstract

The utility model provides a cable structure, which ensures that the whole cable is not easy to deform after being bent, and ensures the follow-up laying to be stable and reliable. It comprises the following steps: two signal wires, each signal wire comprising a central conductor and an outer insulation layer; a Mylar layer; a metal foil maillard layer; an outer isolation maillard layer; the two signal wires are arranged in parallel to form an integral wire core structure, a Mylar layer is coated on the periphery of the integral wire core structure, the Mylar layer is incompletely covered with an outer layer for insulation, a metal Mylar layer is coated on the periphery of the Mylar layer, a metal surface of the metal Mylar layer is arranged inwards, and the outer isolation Mylar layer is coated on the periphery of the metal Mylar layer.

Description

Cable structure

Technical Field

The utility model relates to the technical field of cable structures, in particular to a cable structure.

Background

The existing 30G transmission line structure is characterized in that the double signal lines are arranged in parallel and then are arranged with or without the ground wires, when in actual use, the internal positions of the double signal lines are easy to deviate when being bent, and then the shape of the whole structure is deformed, so that the follow-up structure cannot be laid reliably.

Disclosure of Invention

The utility model provides a cable structure which is used for ensuring that the whole cable is not easy to deform after being bent and ensuring that the subsequent laying is stable and reliable.

A cable construction, comprising:

two signal wires, each signal wire comprising a central conductor and an outer insulation layer;

the Mylar layer is a hot-melt Mylar layer or a non-hot-melt Mylar layer;

a metal foil maillard layer;

an outer isolation maillard layer;

the two signal wires are arranged in parallel to form an integral wire core structure, a Mylar layer is coated on the periphery of the integral wire core structure, the Mylar layer is incompletely covered with an outer layer for insulation, a metal Mylar layer is coated on the periphery of the Mylar layer, a metal surface of the metal Mylar layer is arranged inwards, and the outer isolation Mylar layer is coated on the periphery of the metal Mylar layer.

It is further characterized by:

the signal line is arranged on the inner surface of the Mylar layer, and the inner side of the ground line is tightly attached to the outer layers of the signal lines on the two sides in an insulating manner;

the device comprises a signal line, a signal line and a ground wire, wherein the signal line is arranged on the inner surface of the signal line, the signal line is arranged on the outer side of the signal line, and the ground wire is arranged on the inner surface of the signal line;

when the Mylar layer is a hot-melt Mylar layer, the specific material is PET, and the PET hot melt adhesive is inwards wrapped during specific wrapping;

the coverage rate of the inner layer of the Mylar layer relative to the metal Mylar layer is 20% -99%;

preferably, the coverage rate of the inner layer of the Mylar layer covering the metal Mylar layer is 40% -70%;

the external isolation Mylar layer is a strip material and is completely coated and arranged;

the metal foil Mylar layer is specifically an aluminum foil Mylar layer or a copper foil Mylar layer.

After the utility model is adopted, the double signal wires are fixed by the one Mylar layer, and the Mylar layer is not completely coated, but is provided with a gap, so that the whole shielding cavity is not or seldom subjected to external changes such as bending to change the performance, the whole cable is not easy to deform after bending, and the stable and reliable subsequent laying is ensured.

Drawings

FIG. 1 is a schematic longitudinal sectional view of a first embodiment of the present utility model;

FIG. 2 is a schematic longitudinal sectional view of a second embodiment of the present utility model;

FIG. 3 is a schematic longitudinal sectional view of a second embodiment of the present utility model;

the names corresponding to the serial numbers in the figures are as follows:

signal line 10, center conductor 11, outer insulation 12, mailer layer 20, metal foil mailer layer 30, metal face 31, ground line 40, and outer isolation mailer layer 50..

Detailed Description

A cable construction, see fig. 1-3, comprising two signal wires 10, a mylar layer 20, a foil mylar layer 30, and an outer insulation mylar layer 50; each signal line 10 includes a center conductor 11, an outer insulation 12;

the two signal wires 10 are arranged in parallel to form an integral wire core structure, the outer periphery of the integral wire core structure is coated with a Mylar layer 20, the Mylar layer 20 does not completely cover the outer insulation layer, the outer periphery of the Mylar layer 20 is coated with a metal Mylar layer 30, a metal surface 31 of the metal Mylar layer 30 is arranged inwards, and an outer isolation Mylar layer 50 covers the outer periphery of the metal Mylar layer 30.

In a first embodiment, see fig. 1, the cable structure has no ground wire.

In a second embodiment, see fig. 2, the signal line further includes a ground wire 40, the ground wire 40 is disposed in a cladding cavity formed by the mailer layer 50, the ground wire 40 is disposed at an upper portion or a lower portion of a central position of the signal line 10 in a width direction, an outer side of the ground wire 40 is closely attached to an inner surface of the mailer layer 20, and an inner side of the ground wire 40 is closely attached to outer insulation 12 of two signal lines 10.

In a third embodiment, see fig. 3, the signal line further includes two ground wires 40, the two ground wires 40 are respectively disposed at two sides of the cladding cavity formed by the maillard layer 20, two sides of the two ground wires 40 along the width direction of the signal line 10 are disposed, the outer sides of the ground wires 40 are closely attached to the inner surface of the maillard layer 20, and the inner sides of the ground wires 40 are closely attached to the outer insulation 12 of the signal line 10 at the corresponding side.

The specific implementation method comprises the following steps: the two signal lines 10 are the same specification signal lines; the outer insulation layers of the two signal wires 10 are different in color and respectively yellow or red, so that the two signal wires are convenient to distinguish; the Mylar layer 20 is a hot melt Mylar layer, and is made of PET, and PET hot melt adhesive is arranged inwards during wrapping; the coverage rate of the Mylar layer 20 covering the inner surface of the metal Mylar layer 30 is 40% -70%, the metal surface part of the metal Mylar layer 30 is ensured to be connected with the ground wire 40 after being exposed through the Mylar, the ground wire 40 is closely attached to the inner surface of the hot-melt Mylar layer 20, and the Mylar layer 20 is extruded, so that the outer surface of the ground wire 40 is attached to the metal surface of the exposed metal Mylar layer 30.

In particular embodiments, the outer barrier mailer layer 50 is a strip that is in a complete coating arrangement; the metal foil mailer layer 30 is specifically an aluminum foil mailer layer.

The working principle is as follows: the double signal wires and the ground wires are fixed by a layer of hot-melting Mylar, and the Mylar is not completely coated but provided with a gap, so that the whole shielding cavity is not or seldom subjected to external changes such as bending to change the performance, the whole cable is not easy to deform after bending, and the follow-up laying is ensured to be stable and reliable.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. A cable construction, comprising:

the Mylar layer is a hot-melt Mylar layer or a non-hot-melt Mylar layer;

a metal foil maillard layer;

an outer isolation maillard layer;

the two signal wires are arranged in parallel to form an integral wire core structure, the periphery of the integral wire core structure is coated with a Mylar layer, the Mylar layer does not completely cover the outer insulation layer, the periphery of the Mylar layer is coated with a metal Mylar layer, the metal surface of the metal Mylar layer is arranged inwards, and the outer isolation Mylar layer is coated on the periphery of the metal Mylar layer;

the signal line is characterized by further comprising a ground wire, wherein the ground wire is arranged in a cladding inner cavity formed by the Mylar layer, the ground wire is arranged at the center of the ground wire along the width direction of the signal line, the outer side of the ground wire is clung to the inner surface of the Mylar layer, and the inner side of the ground wire is clung to the outer layers of the signal lines on the two sides in an insulating manner.

2. A cable construction as claimed in claim 1, characterized in that: when the Mylar layer is a hot-melt Mylar layer, the specific material is PET, and the PET hot-melt adhesive is inwards wrapped when the Mylar layer is specifically wrapped.

3. A cable construction as claimed in claim 1, characterized in that: the inner layer coverage rate of the Mylar layer relative to the metal Mylar layer is 20% -99%.

4. A cable construction according to claim 3, wherein: the coverage rate of the inner layer of the Mylar layer covering the metal Mylar layer is 40% -70%.

5. A cable construction according to claim 1, wherein: the outer isolation maillard layer is a strip material which is completely coated and arranged.

6. A cable construction according to claim 1, wherein: the metal foil Mylar layer is specifically an aluminum foil Mylar layer or a copper foil Mylar layer.