CN215342020U

CN215342020U - Composite pure copper cable structure for improving tensile resistance of HDMI high definition cable

Info

Publication number: CN215342020U
Application number: CN202121354440.9U
Authority: CN
Inventors: 宋锁亮
Original assignee: Shenzhen Kuaidaoke Technology Co ltd
Current assignee: Shenzhen Kuaidaoke Technology Co ltd
Priority date: 2021-06-18
Filing date: 2021-06-18
Publication date: 2021-12-28
Anticipated expiration: 2031-06-18

Abstract

The utility model discloses a composite pure copper cable structure for improving tensile resistance of an HDMI high-definition cable, which comprises an insulating sheath and a plurality of wire cores inside the insulating sheath, wherein each wire core comprises a power line and a signal line, the signal lines are divided into a plurality of wire groups according to different transmission characteristics of the signal lines, each signal line sequentially comprises a central core wire, a wrapping wire and a wire sheath from inside to outside, and talcum powder is filled among the wire cores. Has the advantages that: the HDMI high definition cable provided by the utility model has the advantages that stable power supply and high-quality transmission of audio and video signals are ensured, meanwhile, the tensile property of the HDMI high definition cable is improved, the signal cables are provided with the central core wires made of steel wire materials, the tensile property of the HDMI high definition cable is favorably enhanced, the signal cables with different characteristics are divided into independent conductor groups, so that various signals cannot be mutually interfered, and the signal quality is favorably improved.

Description

Composite pure copper cable structure for improving tensile resistance of HDMI high definition cable

Technical Field

The utility model relates to the field of audio and video transmission, in particular to a composite pure copper cable structure for improving the tensile resistance of an HDMI high definition cable.

Background

The HDMI high definition cable can transmit uncompressed high definition video and multi-channel audio data with high quality, and the highest data transmission speed is 5 Gbps. Meanwhile, the digital-to-analog or analog-to-digital conversion is not needed before signal transmission, and the transmission of the video-audio signal with the highest quality can be ensured. The HDMI has the advantages of small volume, high transmission rate, wide transmission bandwidth, good compatibility, capability of simultaneously transmitting uncompressed audio and video signals and the like. Compared with the traditional full-analog interface, the HDMI not only increases the convenience of wiring between devices, but also provides some specific intelligent functions of the HDMI, and the HDMI cable is formed by 19 wires together. The HDMI system is composed of an HDMI transmitter and an HDMI receiver. HDMI interface-capable devices typically have one to more interfaces, and each HDMI input of the device must conform to the specification for the transmitter and each HDMI output must conform to the specification for the receiver. Among 19 lines of the HDMI cable, a TMDS data transmission channel and a clock channel are composed of 4 pairs of differential transmission lines. These 4 channels are used to transmit audio signals, video signals and auxiliary signals.

However, in the prior art, 19 core wires in the HDMI interface are all copper transmission lines, and no subdivision design structure is provided for transmission characteristics; meanwhile, the copper wire is very easy to break after being bent and pulled for many times, so that a composite pure copper cable structure for improving the tensile resistance of the HDMI high definition cable is urgently needed to be researched to solve the problems.

SUMMERY OF THE UTILITY MODEL

The composite pure copper cable structure is simple in structure, partitions the internal cable into fine pictures, and is good in tensile effect, and the tensile strength of the HDMI high definition cable is improved.

In order to solve the technical problems, the technical scheme provided by the utility model is as follows: the utility model provides an improve compound pure copper cable structure of HDMI high clear line stretching resistance, includes insulating crust and its inside a plurality of sinle silks, the sinle silks include power cord and many signal lines, the signal line is according to a plurality of wire groups of its different constitution of transmission characteristic, every the signal line from interior to exterior includes well heart yearn, wraps up in line, wire skin in proper order, and it has the talcum powder to fill between a plurality of sinle silks.

Furthermore, a nylon woven net layer is arranged on the outer side of the insulating outer skin.

Furthermore, a shielding net layer is arranged on the inner side of the insulating sheath, and the shielding net layer is an aluminum wire woven net.

Further, the power cord includes power supply line and earth connection, the inside wire core that is pure copper of power supply line, wire core outside parcel is equipped with the wire skin, the earth connection is the same with signal line structure.

Furthermore, a plurality of the conducting wire groups are internally provided with three signal wires, the three signal wires are externally wrapped with a shielding layer, and talcum powder is filled between the inner side of the shielding layer and the signal wires.

Further, three signal wires in each wire group are arranged in a winding mode.

Furthermore, the central core wire is made of a steel wire material, and the wrapping wire is made of a pure copper material.

Compared with the prior art, the utility model has the advantages that: the HDMI high definition cable provided by the utility model has the advantages that stable power supply and high-quality transmission of audio and video signals are ensured, meanwhile, the tensile property of the HDMI high definition cable is improved, the signal cables are provided with the central core wires made of steel wire materials, the tensile property of the HDMI high definition cable is favorably enhanced, the signal cables with different characteristics are divided into independent conductor groups, so that various signals cannot be mutually interfered, and the signal quality is favorably improved.

Drawings

Fig. 1 is a schematic structural diagram of a composite pure copper cable structure for improving the tensile resistance of the HDMI high definition cable according to the present invention.

As shown in the figure: 1. an insulating sheath; 2. a power supply line; 3. a wire group; 4. a center wire; 5. wrapping the wire; 6. a wire sheath; 7. talc powder; 8. a nylon woven mesh layer; 9. a shielding mesh layer; 10. a wire core; 11. a shielding layer; 12. a signal line; 13. and a ground line.

Detailed Description

The following further describes embodiments of the present invention with reference to the accompanying drawings. In which like parts are designated by like reference numerals.

In the description of the present invention, it is to be understood that the terms "center", "lateral", "upper", "lower", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified. Furthermore, the term "comprises" and any variations thereof is intended to cover non-exclusive inclusions.

The utility model provides an improve compound pure copper cable structure of high clear line stretching resistance of HDMI, includes insulating crust 1 and its inside a plurality of sinle silks, the sinle silks include power cord and many signal lines 12, a plurality of wire groups 3 are constituteed according to its transmission characteristic difference to signal lines 12 from interior to exterior in proper order include well heart yearn 4, wrap up in line 5, wire skin 6 to signal lines 12, it has talcum powder 7 to fill between a plurality of sinle silks.

And a nylon woven net layer 8 is arranged on the outer side of the insulating sheath 1. The inner side of the insulating sheath 1 is provided with a shielding net layer 9, and the shielding net layer 9 is an aluminum wire woven net. The power cord includes power supply line 2 and earth connection 13, the inside wire core 10 that is pure copper of power supply line 2, wire core 10 outside parcel is equipped with wire skin 6, earth connection 13 is the same with signal line structure. A plurality of lead group 3 is inside all to be equipped with three signal line 12, and three signal line 12 outside parcel are equipped with shielding layer 11, it has talcum powder 7 to fill between shielding layer 11 inboard and the signal line 12. The three signal wires 12 in each wire set 3 are arranged to be twisted with each other. The middle core wire is made of a steel wire material, and the wrapping wire 5 is made of a pure copper material.

Example (b): the power supply line in the HDMI high-definition line standard interface is kept with pure copper material, and the guarantee mains supply is abundant, and the high electric conductivity of pure copper and corrosion resistance advantage are exert, compatible all kinds of display terminal that different electric quantities required. The structure of superconducting copper-clad steel wires is selected for other connecting signal wires 12 and grounding wires 13 such as TMDS, audio and video signals are wrapped by 5 layers of pure copper materials with the penetration depth rate of nearly 20%, and the signal wires 12 achieve low attenuation equivalent to pure copper and high transmission index and have the anti-pulling performance of the steel wires by means of skin-friendly high-frequency transmission of signal transmission; the signal wire 12 has the advantages of audio and video transmission of a pure copper wire, high conductivity and corrosion resistance, and the mechanical strength of the wire is enhanced, so that the signal wire has the characteristics of light weight and durability; the shielding layer 11 is arranged on the wire group 3, so that signal interference among the wires can be weakened, the talc powder 7 is filled in the wire group, so that the inner wire is not easy to age, adhesion among a plurality of wire cores can be effectively prevented, peeling is easy, and the insulation performance of the wire is improved; the HDMI high definition cable is internally composed of 20(19+1) conductors, and the specific composition form is as follows: HDMI 28AWG 19+1(1/0.32 superconducting copper clad steel 1P +1/0.32CCS + AL) 5P +1/0.32CCS 3C +1/0.32BC 1C +1/0.32CCS + AL + PVC OD 8.0 mm; wherein CCS stands for superconducting copper clad steel and BC stands for pure copper.

The present invention and the embodiments thereof have been described above, and the description is not restrictive, and the embodiments shown in the detailed description are only a part of the embodiments of the present invention, not all embodiments, and the actual configuration is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. The utility model provides an improve compound pure copper cable structure of HDMI high clear line stretching resistance, includes insulating crust (1) and a plurality of sinle silks inside it, its characterized in that: the sinle silk includes power cord and many signal lines (12), a plurality of wire groups (3) are constituteed according to its transmission characteristic difference in signal line (12), every signal line (12) from interior to exterior include well heart yearn (4), wrap up in proper order, wire skin (6), it has talcum powder (7) to fill between a plurality of sinle silks.

2. The composite pure copper cable structure for improving the tensile resistance of the HDMI high definition cable according to claim 1, wherein: and a nylon woven net layer (8) is arranged on the outer side of the insulating sheath (1).

3. The composite pure copper cable structure for improving the tensile resistance of the HDMI high definition cable according to claim 1, wherein: the inner side of the insulating sheath (1) is provided with a shielding net layer (9), and the shielding net layer (9) is an aluminum wire woven net.

4. The composite pure copper cable structure for improving the tensile resistance of the HDMI high definition cable according to claim 1, wherein: the power cord includes power supply line (2) and earth connection (13), the inside wire core (10) that is pure copper of power supply line (2), wire core (10) outside parcel is equipped with wire skin (6), earth connection (13) are the same with the signal line structure.

5. The composite pure copper cable structure for improving the tensile resistance of the HDMI high definition cable according to claim 1, wherein: a plurality of three signal wires (12) are arranged inside the lead group (3), a shielding layer (11) is wrapped outside the three signal wires (12), and talcum powder (7) is filled between the inner side of the shielding layer (11) and the signal wires (12).

6. The composite pure copper cable structure for improving the tensile resistance of the HDMI high definition cable according to claim 5, wherein: the three signal wires (12) in each wire group (3) are arranged in a winding mode.

7. The composite pure copper cable structure for improving the tensile resistance of the HDMI high definition cable according to claim 1, wherein: the middle core wire (4) is made of a steel wire material, and the wrapping wire (5) is made of a pure copper material.