CN219979179U

CN219979179U - Tensile optical fiber type HDMI data cable

Info

Publication number: CN219979179U
Application number: CN202321457052.2U
Authority: CN
Inventors: 赵万富
Original assignee: Jiangsu Tc Smart Systems Group Co ltd
Current assignee: Jiangsu Tiancheng Intelligent Group Co ltd
Priority date: 2023-06-08
Filing date: 2023-06-08
Publication date: 2023-11-07
Anticipated expiration: 2033-06-08

Abstract

The utility model discloses a tensile optical fiber type HDMI data cable, which belongs to the technical field of cables, and comprises an optical fiber cable and a wire cable surrounding the optical fiber cable, wherein the optical fiber cable comprises a first sheath and a plurality of optical fibers arranged in the first sheath, the wire cable comprises a plurality of wires arranged in the outer circumferential direction of the first sheath, an outer shielding layer surrounding the plurality of wires and a second sheath surrounding the outer shielding layer, a first filling layer is arranged between the plurality of optical fibers and the first sheath, and an aramid yarn filling medium is arranged between the plurality of wires and the outer shielding layer. The utility model performs internal and external tensile force reinforcement to ensure that the optical fiber is not broken in the laying process, and the internal optical fiber and the external lead can simultaneously transmit audio and video digital signals; the length of the optical fiber is consistent with that of the conductor, and the delay time is less than or equal to 2ns/m.

Description

Tensile optical fiber type HDMI data cable

Technical Field

The utility model belongs to the technical field of cables, and particularly relates to a tensile optical fiber type HDMI data cable.

Background

HDMI (High Definition Multimedia Interface), also called high definition multimedia interface, is a new type of interface that is emerging with digital televisions, high definition televisions and flat panel televisions. The high-definition multimedia interface (HDMI) data cable can transmit uncompressed audio signals and video signals, and the audio signals and the video signals are transmitted by the same cable, so that the number of interface cables is greatly simplified, and the internal signal lines or optical fibers are easily broken due to high tension in the laying process when the conventional HDMI data cable is laid for a long distance, so that loss is caused.

Disclosure of Invention

Technical problems: the utility model aims to solve the problems in the prior art, and the technical problem to be solved by the utility model is to provide a tensile type optical fiber HDMI data cable which improves the tensile strength of the data cable.

The technical scheme is as follows: in order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides a tensile optical fiber type HDMI data cable, includes the optical fiber cable and surrounds the wire cable outside the optical fiber cable, the optical fiber cable includes first sheath and sets up many optic fibers in the first sheath, the wire cable includes a plurality of wires that the first sheath outer circumferencial direction set up, surrounds the outer shielding layer of many optic fibers and surrounds the second sheath outside the outer shielding layer, many optic fibers with be equipped with first filling layer between the first sheath, a plurality of wires with be equipped with aramid yarn filling medium between the outer shielding layer.

Further, the aramid yarn filling medium comprises a plurality of parallel aramid yarns.

Further, an aramid yarn woven net is arranged outside the second sheath, and the aramid yarn woven net is formed by weaving aramid yarns.

Further, the optical fiber includes a core and a first protective layer.

Further, the wire includes a plurality of conductors and a first insulating layer.

Furthermore, the first filling layer is made of aramid yarn.

Further, the first sheath is made of a rubber-plastic elastic composite material, and the second sheath is made of a rubber-plastic elastic composite material.

The beneficial effects are that: compared with the prior art, the utility model has the following advantages:

1. through setting up the data cable that optical fiber cable and wire cable constitute, pack aramid yarn between optic fibre and the first sheath, be equipped with aramid yarn between wire and the outer shielding layer, be equipped with aramid yarn mesh grid outward the second sheath, carry out inside and outside twice pulling force and strengthen, guarantee that optic fibre is not broken by the stretch-break in laying the in-process

2. The optical fiber is arranged inside, the transmission distance is long, and the audio and video digital signals can be transmitted simultaneously through the internal optical fiber and the external lead;

3. the full constant tension technology is adopted in the twisting process of conductors and the twisting process of optical fiber cables and the wires, so that the length of the optical fibers is consistent with that of the conductors, and the time delay is less than or equal to 2ns/m.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of a fiber optic cable;

fig. 3 is a schematic diagram of a wire structure.

Detailed Description

The utility model will be further illustrated with reference to specific examples, which are carried out on the basis of the technical solutions of the utility model, it being understood that these examples are only intended to illustrate the utility model and are not intended to limit the scope thereof.

As shown in fig. 1 and fig. 2, a tensile optical fiber type HDMI data cable is used for long-distance transmission of 3D and 4K signals, and comprises an optical fiber cable and a wire cable surrounding the optical fiber cable, wherein the optical fiber cable comprises a first sheath 1 and a plurality of optical fibers 2 arranged in the first sheath 1, the cross section of the first sheath 1 is in a ring shape, the first sheath 1 adopts a rubber elastic composite material, the first sheath 1 is used for protecting the optical fibers 2 from being strained, four optical fibers 2 (the number of the optical fibers 2 can be reasonably set according to the requirement) are arranged in the first sheath 1, the optical fibers 2 comprise a fiber core 21 and a first protective layer 22, and the optical fibers 2 realize transmission of audio and video signals.

As shown in fig. 1 and 3, the cable includes a plurality of wires 3, an outer shielding layer 4, a second sheath 5 and an aramid yarn woven mesh 6, the wires 3 are provided with seven wires (the number can be designed according to actual needs), the plurality of wires 3 are distributed in the outer circumferential direction of the first sheath 1, the outer shielding layer 4 surrounds the plurality of wires 3, the second sheath 5 is wrapped outside the outer shielding layer 4, and the aramid yarn woven mesh 6 is arranged outside the outermost layer wrapped second sheath 5. The cross section of the wire 3 is circular, and comprises a plurality of conductors 31 and a first insulating layer 32, wherein the conductors 31 are used as signal wires for transmitting back audio signals, and the first insulating layer 32 is made of rubber materials; the outer shielding layer 4 adopts aluminum foil, so that the electromagnetic interference resistance of the data line can be improved; the second sheath 5 is made of rubber elastic composite material and is used for protecting the optical fiber cable and the wires 3 inside; the aramid yarn woven net 6 is formed by weaving aramid yarns, and the tensile strength of the data line is improved.

As shown in fig. 1, a first filling layer 11 is arranged between the optical fiber 2 and the first sheath 1, the first filling layer 11 adopts aramid yarn to play a role in tensile protection, an aramid yarn filling medium 41 is arranged between the plurality of wires 3 and the outer shielding layer 4, namely, the space inside the outer shielding layer 4 except the optical fiber cable and the wires 3, and the aramid yarn filling medium 41 comprises a plurality of aramid yarns which are arranged in parallel, so that the overall tensile strength of the data wire can be improved;

in order to ensure transmission performance and reduce delay, the data line of the product adopts a full constant tension technology in the processes of conductor stranding and optical fiber cable and wire cable stranding, so that the lengths of optical fibers and conductors are consistent, and the delay is less than or equal to 2ns/m;

the internal gap of the wire cable is filled with aramid yarn, the outermost layer of the data wire is woven with Shi Jiafang yarn, and the wire cable is reinforced by pulling force twice, so that the wire cable has higher pulling force in the installation and laying process, and the pulling force of a finished product can reach 900N, so that the optical fiber is not broken in the laying process.

The HDMI data cable breaks through the defect of 30m of the longest distance of a copper cable, an internal optical fiber is arranged, the transmission distance of 150m can be realized, and meanwhile, the picture refresh rate of 50/60Hz can be realized in 4K picture transmission, so that the playing is vivid and smooth, the color depth of 10 bits is supported, the color layering is better, the picture presentation is finer and richer, the transmission bandwidth of 18Gbps is supported, the electromagnetic interference resistance is stronger, the interference to nearby wireless equipment is reduced, and meanwhile, the HDMI data cable is compatible with low-version equipment for use together.

The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which are intended to be comprehended within the scope of the present utility model.

Claims

1. The utility model provides a tensile optical fiber type HDMI data cable, its characterized in that includes the optical fiber cable and surrounds the cable outside the optical fiber cable, the optical fiber cable includes first sheath (1) and sets up many optic fibre (2) in first sheath (1), the cable includes many wires (3) that first sheath (1) outer circumferencial direction set up, surrounds outer shielding layer (4) and the second sheath (5) of encircleing outside the outer shielding layer (4) of many wires (3), many optic fibre (2) with be equipped with first filling layer (11) between first sheath (1), many wires (3) with be equipped with aramid yarn filling medium (41) between outer shielding layer (4).

2. The tensile optical fiber type HDMI data cable of claim 1, wherein the aramid yarn filling medium (41) comprises a plurality of aramid yarns arranged in parallel.

3. The tensile optical fiber type HDMI data cable according to claim 1, characterized in that an aramid yarn woven net (6) is arranged outside the second sheath (5), and the aramid yarn woven net (6) is woven by aramid yarns.

4. The tensile optical fiber type HDMI data cable according to claim 1, wherein the optical fiber (2) comprises a core (21) and a first protective layer (22).

5. The tensile fiber optic HDMI data cable of claim 1, wherein the wire (3) comprises a plurality of conductors (31) and a first insulating layer (32).

6. The tensile optical fiber type HDMI data cable according to claim 1, wherein the first filler layer (11) is made of an aramid yarn material.

7. The tensile optical fiber type HDMI data cable according to claim 1, characterized in that the first sheath (1) is made of a rubber-plastic elastic composite material, and the second sheath (5) is made of a rubber-plastic elastic composite material.