CN210805316U

CN210805316U - Low-loss skin audio signal cable

Info

Publication number: CN210805316U
Application number: CN201922171295.XU
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: 2019-12-06
Filing date: 2019-12-06
Publication date: 2020-06-19
Anticipated expiration: 2029-12-06

Abstract

The utility model discloses a low-loss skin audio signal cable, which comprises two groups of inner cores, wherein the two groups of inner cores have the same structure, and each group of inner cores comprises a hollow tube at the innermost layer, a signal conductor annularly arranged outside the hollow tube and a conductor reinforcing layer coated outside the signal conductor; the signal conductors are annularly distributed on the outer side of the hollow pipe to form a whole layer of thin-layer annular signal conductor. The device can remove the material of the central part of the conductor during high-frequency transmission according to the current transmission characteristic of the audio signal, so that the device adopts a hollow structure to replace a solid lead, disperses the whole conductor into signal conductors with smaller diameters and annularly arranges the signal conductors on the outer side of a hollow pipe, and can effectively increase the surface area of the signal conductors, thus increasing the current density passing through the conductors and reducing the attenuation in the signal process; the device is used for transmitting audio signals so as to achieve the purposes of reducing transmission attenuation, improving signal transmission distance and reducing signal distortion.

Description

Low-loss skin audio signal cable

Technical Field

The utility model relates to a signal cable equipment field, specific low-loss skin audio signal cable that says so.

Background

In the existing audio signal cable, when alternating current passes through a conductor, the current distribution on the cross section of the conductor is not uniform due to the induction effect, and the current density on the surface of the conductor is larger the nearer, which is called as the skin effect; the skin effect increases the effective resistance of the conductor, and the skin effect is more significant at higher frequencies, and when a current with a high frequency passes through the wire, it can be considered that the current flows only in a thin layer on the surface of the wire, and almost no current passes through the central part of the wire, which results in poor signal transmission effect of the existing audio signal cable.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a low-loss skin audio signal cable to the not enough of prior art existence.

The technical scheme is as follows: the utility model provides a technical scheme that the problem adopted does: a low-loss skin audio signal cable comprises two groups of inner cores, wherein the two groups of inner cores have the same structure, and each group of inner cores comprises an innermost hollow tube, a signal conductor annularly arranged on the outer side of the hollow tube and a conductor reinforcing layer coated outside the signal conductor; the signal conductors are annularly distributed on the outer side of the hollow pipe to form a whole layer of thin-layer annular signal conductor; the two groups of inner cores are arranged side by side at intervals, and are coated by the insulating sheaths arranged on the outer layers, and the insulating sheaths on the two sides are mutually connected into a whole to form the integral signal cable; and a reinforcing belt is arranged between the conductor reinforcing layers on the two sides, the reinforcing belt integrally connects the conductor reinforcing layers on the two sides, and the reinforcing belt is arranged at the middle connecting position of the insulating sheaths on the two sides.

Preferably, a cross-shaped support frame is correspondingly arranged in the hollow pipe; the cross-shaped support frame is of a plastic piece structure, and the hollow pipe is correspondingly arranged into a plastic hose structure; the pressure resistance of the whole cable can be correspondingly increased by arranging the cross-shaped support frame, so that the hollow pipe is not easy to deform by extrusion.

Preferably, fifteen signal conductors are annularly arranged outside the hollow tube. The outer side of the hollow tube can be fully paved by arranging a plurality of signal conductors in an annular mode, so that thin layer current can be stably formed, and the surface area of the signal conductors is effectively increased.

Preferably, the conductor reinforcing layer is of an aramid fiber structure, and the reinforcing belt is a glass fiber cloth reinforcing belt; the stability and the compressive resistance of the whole structure are correspondingly enhanced through the conductor reinforcing layer.

Preferably, the insulating sheath is a polyurethane sheath structure.

Has the advantages that: compared with the prior art, the utility model, have following advantage:

(1) the device can remove the material of the central part of the conductor during high-frequency transmission according to the current transmission characteristic of the audio signal, so that the device adopts a hollow structure to replace a solid lead, disperses the whole conductor into signal conductors with smaller diameters and annularly arranges the signal conductors on the outer side of a hollow pipe, and can effectively increase the surface area of the signal conductors, thus increasing the current density passing through the conductors and reducing the attenuation in the signal process; the device is used for transmitting audio signals so as to achieve the purposes of reducing transmission attenuation, increasing signal transmission distance and reducing signal distortion;

(2) except that setting up the conductor dispersion in this device, still set up the conductor enhancement layer in signal conductor's the outside, strengthen the conductor use strength to still set up the conductor enhancement layer that glass fiber cloth strengthening band connects both sides among this device between the conductor enhancement layer, the crooked compressive capacity that on the one hand can the whole cable of effectual increase, the position of the conductor enhancement layer of on the other hand restriction both sides, convenience that can be more when whole preparation cable.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Detailed Description

The present invention will be further clarified by the following embodiments with reference to the attached drawings, which are implemented on the premise of the technical solution of the present invention, and it should be understood that these embodiments are only used for illustrating the present invention and are not used for limiting the scope of the present invention.

As shown in fig. 1, a low-loss skin audio signal cable includes two groups of inner cores, the two groups of inner cores have the same structure, and each of the two groups of inner cores includes a hollow tube 1 at the innermost layer, a signal conductor 2 annularly disposed outside the hollow tube 1, and a conductor reinforcing layer 3 coated outside the signal conductor 2; the signal conductors 2 are annularly distributed on the outer side of the hollow tube 1 to form a whole layer of thin-layer annular signal conductor; the two groups of inner cores are arranged side by side at intervals, and are coated by the insulating sheaths 4 arranged on the outer layers, and the insulating sheaths 4 on the two sides are mutually connected into a whole to form the integral signal cable; and a reinforcing band 5 is arranged between the conductor reinforcing layers 3 at the two sides, the reinforcing band 5 integrally connects the conductor reinforcing layers 3 at the two sides, and the reinforcing band 5 is arranged at the middle connecting position of the insulating sheaths 4 at the two sides.

A cross-shaped support frame 6 is correspondingly arranged in the hollow pipe 1; the cross-shaped support frame 6 is of a plastic piece structure, and the hollow pipe 1 is correspondingly arranged into a plastic hose structure; through setting up cross support frame 6 can correspondingly increase the compressive capacity of whole cable for the hollow tube is difficult to by extrusion deformation.

Fifteen signal conductors 2 are annularly arranged outside the hollow tube 1. Make its annular setting can pave the outside of hollow tube 1 through setting up a plurality of signal conductors, the formation sheet current that can be stable, the effectual signal conductor surface area that has increased.

The conductor reinforcing layer 3 is of an aramid fiber structure, and the reinforcing belt 5 is a glass fiber cloth reinforcing belt; the stability and the compressive resistance of the whole structure are correspondingly enhanced through the conductor reinforcing layer 3; the insulating sheath 4 is provided as a polyurethane sheath structure.

The device can remove the material of the central part of the conductor during high-frequency transmission according to the current transmission characteristic of the audio signal, so that the device adopts a hollow structure to replace a solid lead, disperses the whole conductor into signal conductors with smaller diameters and annularly arranges the signal conductors on the outer side of a hollow pipe, and can effectively increase the surface area of the signal conductors, thus increasing the current density passing through the conductors and reducing the attenuation in the signal process; the device is used for transmitting audio signals so as to achieve the purposes of reducing transmission attenuation, increasing signal transmission distance and reducing signal distortion;

except that setting up the conductor dispersion in this device, still set up the conductor enhancement layer in signal conductor's the outside, strengthen the conductor use strength to still set up the conductor enhancement layer that glass fiber cloth strengthening band connects both sides among this device between the conductor enhancement layer, the crooked compressive capacity that on the one hand can the whole cable of effectual increase, the position of the conductor enhancement layer of on the other hand restriction both sides, convenience that can be more when whole preparation cable.

The above-mentioned embodiments are only preferred embodiments of the present invention, and are not intended to limit the scope of the invention and the appended claims, and all equivalent changes and modifications made according to the claims should be included in the scope of the present invention.

Claims

1. A low-loss skin audio signal cable, characterized by: the inner core structure comprises two groups of inner cores, the two groups of inner cores have the same structure, and each group of inner cores comprises a hollow tube (1) at the innermost layer, a signal conductor (2) annularly arranged on the outer side of the hollow tube (1) and a conductor reinforcing layer (3) coated outside the signal conductor (2); the signal conductors (2) are annularly distributed on the outer side of the hollow pipe (1) to form a whole layer of thin-layer annular signal conductor; the two groups of inner cores are arranged side by side at intervals, and are coated by the insulating sheaths (4) arranged on the outer layers, and the insulating sheaths (4) on the two sides are mutually connected into a whole to form the integral signal cable; and a reinforcing band (5) is arranged between the conductor reinforcing layers (3) at the two sides, the reinforcing band (5) connects the conductor reinforcing layers (3) at the two sides into a whole, and the reinforcing band (5) is arranged at the middle connecting position of the insulating sheaths (4) at the two sides.

2. The low-loss skin audio signal cable according to claim 1, wherein: a cross-shaped support frame (6) is correspondingly arranged in the hollow pipe (1); the cross-shaped support frame (6) is of a plastic piece structure, and the hollow pipe (1) is correspondingly of a plastic hose structure.

3. The low-loss skin audio signal cable according to claim 1, wherein: fifteen signal conductors (2) annularly arranged outside the hollow tube (1) are arranged.

4. The low-loss skin audio signal cable according to claim 1, wherein: the conductor reinforcing layer (3) is of an aramid fiber structure, and the reinforcing belt (5) is a glass fiber cloth reinforcing belt.

5. The low-loss skin audio signal cable according to claim 1, wherein: the insulating sheath (4) is of a polyurethane sheath structure.