CN213211802U

CN213211802U - High-speed parallel data cable

Info

Publication number: CN213211802U
Application number: CN202022197030.XU
Authority: CN
Inventors: 武向文; 李英武; 陈玲; 全利; 黄涛
Original assignee: Xi'an Forstar Cable Co ltd; Avic Fushida Technology Co ltd
Current assignee: Xi'an Forstar Cable Co ltd; Avic Fushida Technology Co ltd
Priority date: 2020-09-29
Filing date: 2020-09-29
Publication date: 2021-05-14
Anticipated expiration: 2030-09-29

Abstract

The utility model relates to a high-speed parallel data cable, include: at least two groups of line pairs, a plurality of line pairs are parallel to each other; the framework is provided with a plurality of recesses corresponding to the plurality of groups of line pairs, and the plurality of groups of line pairs are respectively positioned in the recesses; the cable shielding layer is wrapped outside the plurality of groups of wire pairs and the framework; the outer sheath wraps the outer side of the cable shielding layer, and the cable shielding layer has the advantage of excellent anti-interference performance.

Description

High-speed parallel data cable

Technical Field

The utility model belongs to the technical field of the data transmission line, especially, relate to a high-speed parallel data cable.

Background

Large data centers require a large number of high speed transmission cables and their connection systems. Meanwhile, since the data center equipment has a high iteration speed and needs periodic equipment updating, the data center in stock also needs to continuously purchase matching cables, components and the like. The construction of data centers is rapidly increased in the global range, and the requirements of high-speed transmission cables and connection products thereof are pulled, so that the design of a data transmission line with good anti-interference capability and excellent shielding performance is of great significance.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem in the above-mentioned background art, the utility model provides a high-speed parallel data cable, it has the excellent advantage of interference killing feature.

The utility model discloses a realize through following technical scheme:

a high speed parallel data cable comprising:

at least two groups of line pairs, a plurality of line pairs are parallel to each other;

the framework is provided with a plurality of recesses corresponding to the plurality of groups of line pairs, and the plurality of groups of line pairs are respectively positioned in the recesses;

the cable shielding layer is wrapped outside the plurality of groups of wire pairs and the framework;

the outer sheath wraps the outer side of the cable shielding layer.

As a further explanation of the utility model: the cable is characterized by further comprising a tight coating layer between the cable shielding layer and the framework, and the tight coating layer is wrapped on the framework and the multiple groups of outer sides of the wire pairs.

As a further explanation of the utility model: each group of the line pairs comprises two conducting wires, the two conducting wires are arranged in parallel, the peripheral walls of the two conducting wires are mutually abutted, and the outer sides of the two conducting wires are wrapped with line pair shielding layers.

As a further explanation of the utility model: the lead comprises an inner conductor, and an insulating layer, a lead shielding layer and an intermediate layer which are sequentially wrapped on the outer side of the inner conductor.

As a further explanation of the utility model: the tight covering layer is a spiral plastic belt or a metal composite belt or a plastic composite belt, and the tight covering layer is wound to the outer sides of the framework and the multiple groups of wire pairs in multiple layers.

As a further explanation of the utility model: the cable shielding layer and the wire pair shielding layer are arranged in a net shape.

As a further explanation of the utility model: the outer sheath material is ETFE or XETFE, and the thickness of the outer sheath is 0.25-0.4 mm.

As a further explanation of the utility model: the inner conductor is arranged as a single metal wire or a plurality of stranded wires.

As a further explanation of the utility model: the thickness of the insulating layer is 0.5-1.2 mm.

As a further explanation of the utility model: the wire shielding layer is spirally wound to the outer side of the insulating layer, and the thickness of the wire shielding layer is 0.12-0.2 mm.

Compared with the prior art, the utility model discloses following profitable technological effect has:

1. the high-speed parallel data cable enables a plurality of groups of line pairs to be parallel, and improves the electrical property and reliability of the cable; the tensile and compressive capacities of the cable are enhanced by arranging the framework, the framework is arranged among the plurality of groups of line pairs to separate the plurality of groups of line pairs, the mutual influence among the line pairs is reduced, the mutual influence among two cables in each group of line pairs is reduced by the wire shielding layer, the mutual influence among the plurality of groups of line pairs in the same cable is reduced by the line pair shielding layer, the mutual influence among the cables is reduced by the outer shielding layer, and the shielding performance of the cable is enhanced; the outer sheath adopts XETFE or ETFE which has excellent radiation resistance.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

1. An inner conductor; 2. an insulating layer; 3. a wire shielding layer; 4. an intermediate layer; 5. a wire pair shielding layer; 6. a framework; 7. a tight wrapping layer; 8. a cable shielding layer; 9. an outer sheath.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. 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, a high speed parallel data cable includes:

at least one set of line pairs, the plurality of line pairs being parallel to each other;

the framework 6 is provided with a plurality of recesses corresponding to the plurality of groups of line pairs, and the plurality of groups of line pairs are respectively positioned in the recesses; in this embodiment, two pairs of wires are provided, and the framework 6 is made of soft plastic and has an i-shaped cross section, that is, two recesses are provided on the framework 6 and are symmetrically arranged.

The cable shielding layer 8 is wrapped on the outer sides of the multiple groups of wire pairs and the framework 6, and the cable shielding layer 8 is net-shaped;

the outer sheath 9 is wrapped on the outer side of the cable shielding layer 8, the outer sheath 9 is made of ETFE or XETFE, and the thickness of the outer sheath 9 is 0.25-0.4 mm; in this embodiment, the outer sheath 9 is made of XETFE and has a thickness of 0.3 mm.

The tight cladding layer 7 is positioned between the cable shielding layer 8 and the framework 6, the tight cladding layer 7 is wrapped to the framework 6 and the outer sides of the multiple groups of line pairs, the tight cladding layer 7 is set to be a spiral plastic tape or a metal composite tape or a plastic composite tape, and the tight cladding layer 7 is wound to the framework 6 and the outer sides of the multiple groups of line pairs in multiple layers; in this embodiment, the tight cladding layer 7 is a plastic composite tape, and the tight cladding layer 7 is wound to the framework 6 and the outer sides of the two groups of wire pairs in multiple layers to fix the two groups of wire pairs in the recesses.

Each group of wire pairs comprises two wires which are arranged in parallel and the peripheral walls of the two wires are mutually abutted, the outer sides of the two wires are wrapped with a netted wire pair shielding layer 5, each wire comprises an inner conductor 1, an insulating layer 2, a wire shielding layer 3 and an intermediate layer 4, the insulating layer 2, the wire shielding layer 3 and the intermediate layer are sequentially wrapped on the outer side of the inner conductor 1, the inner conductor 1 is a single metal wire or a plurality of stranded wires, the thickness of the insulating layer 2 is 0.5-1.2mm, the wire shielding layer 3 is spirally wound to the outer side of the insulating layer 2, and the thickness of the. In this embodiment, the inner conductor 1 is a single round copper wire, the insulating layer 2 is made of fluoroplastic or polyethylene or polyvinyl chloride, the thickness is 0.65mm, the wire shielding layer 3 is formed by spirally winding strip-shaped metal, the thickness is 0.2mm, and the middle layer 4 is made of rubber.

The utility model discloses a theory of operation does: the outer sheath 9 is wrapped on the outermost side of the high-speed parallel data cable, the outer sheath 9 is made of an XETFE material, so that the cable has excellent anti-irradiation performance, the cable shielding layer 8 is arranged on the inner side of the outer sheath 9 to reduce the influence of an external electromagnetic field on the cable, the two groups of line pairs are arranged in parallel, the electrical performance and reliability of the cable are improved, the framework 6 is arranged to enhance the tensile strength and the compressive strength of the cable, the cable is arranged in the recess of the framework 6 to further improve the reliability of the cable, the tightening layer 7 is wound on the framework 6 in a multilayer mode, the two groups of line pairs are fixed in the recess of the framework 6 through the two layers of line pairs, the wire shielding layer 3 is wrapped outside the insulating layer 2 to reduce the mutual influence of electromagnetic fields generated by the two wires, the wire shielding layer 5 is wrapped outside each group.

The embodiments given above are preferred examples for implementing the present invention, and the present invention is not limited to the above-described embodiments. Any non-essential addition and replacement made by the technical features of the technical solution of the present invention by those skilled in the art all belong to the protection scope of the present invention.

Claims

1. A high speed parallel data cable, comprising:

the framework (6) is provided with a plurality of recesses corresponding to the plurality of groups of line pairs, and the plurality of groups of line pairs are respectively positioned in the recesses;

the cable shielding layer (8), the cable shielding layer (8) wraps the outer sides of the plurality of groups of line pairs and the framework (6);

the outer sheath (9), outer sheath (9) parcel is in the cable shielding layer (8) outside.

2. A high speed parallel data cable according to claim 1, wherein: the cable is characterized by further comprising a tight coating layer (7) between the cable shielding layer (8) and the framework (6), wherein the tight coating layer (7) is wrapped on the framework (6) and the multiple groups of wire pair outer sides.

3. A high speed parallel data cable according to claim 1, wherein: each group of the line pairs comprises two conducting wires, the two conducting wires are arranged in parallel, the peripheral walls of the two conducting wires are mutually abutted, and the outer sides of the two conducting wires are wrapped with line pair shielding layers (5).

4. A high speed parallel data cable according to claim 3 wherein: the lead comprises an inner conductor (1), and an insulating layer (2), a lead shielding layer (3) and an intermediate layer (4) which are sequentially wrapped on the outer side of the inner conductor (1).

5. A high speed parallel data cable according to claim 2, wherein: the tightly-covering layer (7) is a spiral plastic belt or a metal composite belt or a plastic composite belt.

6. A high speed parallel data cable according to claim 1, wherein: the cable shielding layer (8) and the wire pair shielding layer (5) are arranged to be net-shaped.

7. A high speed parallel data cable according to claim 1, wherein: the outer sheath (9) is made of ETFE or XETFE, and the thickness of the outer sheath (9) is 0.25-0.4 mm.

8. A high speed parallel data cable according to claim 4 wherein: the inner conductor (1) is set to be a single metal wire or a plurality of stranded wires.

9. A high speed parallel data cable according to claim 4 wherein: the thickness of the insulating layer (2) is 0.5-1.2 mm.

10. A high speed parallel data cable according to claim 4 wherein: the wire shielding layer (3) is spirally wound to the outer side of the insulating layer (2), and the thickness of the wire shielding layer is 0.12-0.2 mm.