CN220796326U

CN220796326U - High SI performance communication wire with good fire resistance

Info

Publication number: CN220796326U
Application number: CN202321696507.6U
Authority: CN
Inventors: 吴加雪; 李华锋; 赵京成; 崔晓民
Original assignee: Huizhou LTK Electronic Cable Co Ltd; LTK Electric Wire Huizhou Co Ltd; LTK Electric Wire Changzhou Co Ltd
Current assignee: Huizhou LTK Electronic Cable Co Ltd; LTK Electric Wire Huizhou Co Ltd; LTK Electric Wire Changzhou Co Ltd
Priority date: 2023-06-30
Filing date: 2023-06-30
Publication date: 2024-04-16
Anticipated expiration: 2033-06-30

Abstract

The utility model discloses a high-SI performance communication wire with good flame retardance, which comprises a first twisted pair core wire group, a plurality of second twisted pair core wire groups, a first single core wire, a plurality of second single core wires and a ground wire, wherein the first twisted pair core wire group, the plurality of second twisted pair core wire groups, the first single core wires, the plurality of second single core wires and the ground wire are all arranged in parallel, the outer sides of the first twisted pair core wire group, the plurality of second twisted pair core wire groups, the first single core wires, the plurality of second single core wires and the ground wire are wrapped with aluminum foil layers, the outer sides of the aluminum foil layers are wrapped with braiding layers in an attaching mode, and the outer sides of the braiding layers are tightly wrapped with outer jackets; according to the utility model, the wires required by the communication wire are arranged into the twisted pair core wire groups, so that the flame retardant property of the communication wire is improved, and meanwhile, the twisted pair core wires improve the bending resistance and durability of the communication wire.

Description

High SI performance communication wire with good fire resistance

Technical Field

The utility model belongs to the technical field of communication wire production, and particularly relates to a high-SI performance communication wire with good flame retardance.

Background

After the PC appears, the development of the interface is continuously evolving, USB is one of the longest interfaces, most of new mainboards are provided with USB3.2 GEN2 interfaces from the next half of 2019, and the USB3.2 GEN2 is still a mainstream USB wire interface until now. The main technical index of the USB3.2 GEN2 is to meet the transmission speed of 10 Gbit/s and is downward compatible with the transmission speed of 1.5 Mbit/s 12 Mbit/s full speed of 480 Mbit/s and high speed of 5 Gbit/s.

However, in order to achieve the transmission performance, many USB3.2 GEN2 wires in the market at present often discard other performances such as flame retardance and flexibility, so that it is required to develop a flame-retardant and flexible USB3.2 GEN2 communication wire with ultra-high SI performance requirements, so that the wire has various advantages.

Disclosure of Invention

In order to solve the problems, the utility model provides the following technical scheme:

the utility model provides a high SI performance communication wire rod that fire resistance is good, includes first pair of hank heart yearn group, a plurality of second pair hank heart yearn group, first single heart yearn, a plurality of second single heart yearn and ground wire, first pair hank heart yearn group, a plurality of second single heart yearn group, first single heart yearn, a plurality of second single heart yearn and ground wire all parallel arrangement, first pair hank heart yearn group, a plurality of second pair hank heart yearn group, first single heart yearn, a plurality of second single heart yearn and the outside parcel have the aluminium foil layer, the laminating parcel has the weaving layer in the aluminium foil layer outside, the inseparable parcel of weaving layer outside has the oversheath.

Preferably, the first twisted pair core wire group and the second twisted pair core wire groups each comprise at least two wires, and the outer sides of the at least two wires are wrapped with insulating layers.

Preferably, the plurality of second twisted pair core wire groups further comprise a plurality of core wire filling layers, and the plurality of core wire filling layers are matched with the second twisted pair core wire groups to be filled round.

Preferably, the wire rod filling device further comprises a plurality of filling wires, and the wires are filled with the filling wires in a round shape.

Preferably, the core wire filling layers and the filling wires are made of cotton yarns.

Preferably, the braiding layer is formed by braiding high-elastic wire tinned annealed copper wires.

Preferably, the outer sheath is made of PVC material.

The utility model has the advantages that:

1. according to the utility model, the wires required by the communication wire are arranged into a plurality of twisted core wire groups, so that the flame retardant property of the communication wire is improved, and meanwhile, the bending resistance and durability of the communication wire are improved by the twisted core wires;

2. according to the utility model, the plurality of core wire filling layers are added in the second twisted core wire group, the filling wires are added in the communication wire, and the core wire filling layers and the filling wires are both made of cotton yarns, so that the flexibility is improved while the roundness of the communication wire is ensured.

Drawings

FIG. 1 is a perspective view of an embodiment of the present utility model;

FIG. 2 is a front view of an embodiment of the present utility model;

FIG. 3 is a front view of a second twisted pair of cord sets in an embodiment of the present utility model;

the embodiment of the utility model mainly comprises the following element symbols:

the wire-free type cable comprises a first twisted pair core wire group-1, a wire-11, an insulating layer-12, a second twisted pair core wire group-2, a core wire filling layer-21, a first single core wire-3, a second single core wire-4, a ground wire-5, an aluminum foil layer-6, a braiding layer-7, an outer sheath-8 and a filling wire-9.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

As shown in fig. 1 to 3, a high SI performance communication wire with good flame retardance includes a first twisted pair core wire group 1, a plurality of second twisted pair core wire groups 2, a first single core wire 3, a plurality of second single core wires 4 and a ground wire 5, the first twisted pair core wire group 1, the plurality of second twisted pair core wire groups 2, the first single core wire 3, the plurality of second single core wires 4 and the ground wire 5 are all arranged in parallel, the outer sides of the first twisted pair core wire group 1, the plurality of second twisted pair core wire groups 2, the first single core wire 3, the plurality of second single core wires 4 and the ground wire 5 are wrapped with an aluminum foil layer 6, the outer sides of the aluminum foil layer 6 are wrapped with a braid 7 in an attaching manner, and the outer sides of the braid 7 are tightly wrapped with an outer sheath 8.

The first twisted pair core wire group 1 and the second twisted pair core wire groups 2 comprise at least two wires 11, and the outer sides of the at least two wires 11 are respectively wrapped with an insulating layer 12.

According to the utility model, the wires 11 required by the communication wire are arranged into a plurality of twisted core wire groups, so that the flame retardant property of the communication wire is improved, and meanwhile, the bending resistance and durability of the communication wire are improved by the twisted core wires.

The second twisted pair core wire groups 2 further comprise core wire filling layers 21, and the core wire filling layers 21 are matched with the second twisted pair core wire groups 2 to be filled round.

Also included are a number of filling wires 9, a number of said filling wires 9 round the wire filling.

Both the core wire filling layers 21 and the filling wires 9 are made of cotton yarns.

According to the utility model, the plurality of core wire filling layers 21 are added in the second twisted core wire group 2, the filling wires 9 are added in the communication wires, and the core wire filling layers 21 and the filling wires 9 are made of cotton yarns, so that the flexibility is improved while the roundness of the communication wires is ensured.

The braid 7 is formed by braiding high-elastic wire tin-plated annealed copper wires, and the high-elastic wire tin-plated annealed copper wires have high oxidation resistance and simultaneously can ensure the flexibility of the communication wires.

The outer sheath 8 is made of PVC material, and the PVC material has excellent performances of softness, oil resistance, shock resistance, tensile strength, high and low temperature resistance, corrosion resistance, flame retardance, water resistance, ultraviolet resistance and the like, so that the service life of the communication wire is prolonged.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A high SI performance communication wire with good flame retardance is characterized in that: including first pair of hank heart yearn group, a plurality of second pair of hank heart yearn group, first single core wire, a plurality of second single core wire and ground wire, first pair of hank heart yearn group, a plurality of second pair of hank heart yearn group, first single core wire, a plurality of second single core wire and ground wire all parallel arrangement, first pair of hank heart yearn group, a plurality of second pair of hank heart yearn group, first single core wire, a plurality of second single core wire and the outside parcel of ground wire have the aluminium foil layer, the laminating parcel has the weaving layer in the aluminium foil layer outside, the inseparable parcel of weaving layer outside has the oversheath.

2. The high SI performance communication wire with good flame retardancy as claimed in claim 1, wherein: the first twisted pair core wire group and the second twisted pair core wire groups comprise at least two wires, and the outer sides of the at least two wires are wrapped with insulating layers.

3. The high SI performance communication wire with good flame retardancy as claimed in claim 2, wherein: the second twisted core wire groups also comprise core wire filling layers, and the core wire filling layers are matched with the second twisted core wire groups to be filled round.

4. A high SI performance communication wire with good flame retardancy as claimed in claim 3, wherein: the wire rod filling machine further comprises a plurality of filling lines, and the wires are filled with the filling lines in a round shape.

5. The high SI performance communication wire with good flame retardancy as claimed in claim 4, wherein: the core wire filling layers and the filling wires are made of cotton yarns.

6. The high SI performance communication wire with good flame retardancy as claimed in claim 5, wherein: the braiding layer is formed by braiding high-elastic wire tinned annealed copper wires.

7. The high SI performance communication wire with good flame retardancy as claimed in claim 6, wherein: the outer sheath is made of PVC material.