CN212907189U

CN212907189U - Bending-resistant light electrophone cable

Info

Publication number: CN212907189U
Application number: CN202022313032.0U
Authority: CN
Inventors: 李锋利; 尚娟琴; 张露; 吕伟; 周海涛; 梁潇
Original assignee: Baoji Fenghuo Electric Wire & Cable Co ltd
Current assignee: Baoji Fenghuo Electric Wire & Cable Co ltd
Priority date: 2020-10-16
Filing date: 2020-10-16
Publication date: 2021-04-06
Anticipated expiration: 2030-10-16

Abstract

The utility model discloses a resistant light-duty electrophone cable of buckling, include: the cable core is sequentially wrapped with an electric isolation layer, an electric insulation layer, a shielding wire core layer and a protective layer from inside to outside; wherein, the stranding sinle silk comprises insulating sinle silk, aramid fiber silk and cotton yarn stranding for the weatherability of cable is higher, and insulating sinle silk adopts fine tinned copper alloy and one to have superhigh intensity, high-modulus and high temperature resistant, acid and alkali resistant, light in weight, good insulating nature and ageing resistance, and at 560 ℃ of high temperature, do not decompose, do not melt, the novel high-tech synthetic fiber that bearing capacity is strong, it has, has very long life cycle and constitutes the data signal transmission carrier.

Description

Bending-resistant light electrophone cable

Technical Field

The utility model relates to the technical field of cables, especially, relate to a light-duty electrophone cable of nai buckling.

Background

Most of the existing electrophone cables are formed by twisting gold covered wires or metal wires into a core, and the metal wires inside are protected by an external coating insulating material so as to achieve the purpose of signal transmission. In addition, the cable has thick outer diameter and heavy weight, and cannot meet the actual use requirement. With the rapid development of the aviation industry in China, the cost is reduced, and the weight of the airplane is reduced, so that the problem to be solved is solved. The service environment of the signal cable is interfered by various electromagnetic signals and is frequently bent, the adaptive cable is required to transmit signals in a multipath manner, the cable is light, and the cable bears 1 ten thousand times of bending under the condition of 10N of hanging weight and transmits signals by airborne equipment with the temperature resistance range of minus 50-150 ℃. It can be seen that the existing signal cable is difficult to meet the requirements.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned defect or not enough, the utility model aims to provide a resistant light-duty electrophone cable of buckling.

In order to achieve the above purpose, the technical scheme of the utility model is that:

a bend resistant lightweight handset cable comprising: the cable core is sequentially wrapped with an electric isolation layer, an electric insulation layer, a shielding wire core layer and a protective layer from inside to outside; the cabling wire core is formed by cabling of an insulating wire core, aramid fibers and cotton yarns.

The cabling wire core comprises six circularly arranged insulated wire cores, and one aramid fiber yarn and two cotton yarn cabling are arranged in the middle of each insulated wire core, so that the cabling wire core is of a circular structure.

The insulated wire core comprises a conductive wire core and an insulating layer.

The conductive wire core is made of tinned round copper wires and aramid fiber tows, and an insulating layer made of polytetrafluoroethylene insulating materials is extruded outside the conductive wire core.

The electric isolation layer is electric isolation paper with electric insulation performance.

The electric insulation layer is made of nylon yarns.

The shielding wire core layer is formed by weaving tinned round copper wires, and the density of the shielding wire core layer is not less than 90%.

The protective layer is made of polyurethane.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model provides a light-duty electrophone cable of nai buckling, the stranding sinle silk is by insulating sinle silk, aramid fiber silk, and cotton yarn stranding constitutes, make the weatherability of cable higher, insulating sinle silk adopts fine tinned copper alloy to have the superhigh strength with root one, high modulus and high temperature resistant, acid and alkali resistant, light in weight, good insulating nature and ageing resistance can, at 560 ℃ high temperature, do not decompose, do not melt, bearing capacity's novel high-tech synthetic fiber, it has, it constitutes the data signal transmission carrier has very long life cycle, adopt high, low temperature resistant, environmental resistance, insulating properties's excellent polytetrafluoroethylene material extrusion insulating sinle silk, and two major loop insulating sinle silks adopt fine tinned silk to weave the great shielding layer of density outward, whole stranding core forms the sinle silk around package electrical isolation paper, sinle silk extrusion high wearability outward, The novel environment-friendly flame-retardant polyurethane sheath with excellent weather resistance, antimicrobial property, oil grease resistance and water tightness enables the micro signal line to have excellent weather resistance, bending resistance (10N load is resistant to bending for 1 ten thousand times), excellent flame-retardant property and light cable dead weight under the complex environments such as airplanes with staggered circuits and complex interference signals.

Drawings

FIG. 1 is a schematic view of a bend-resistant light electrophone cable of the present invention;

fig. 2 is a side view of the present bend resistant lightweight handset cable.

In the figure, 1 — conductive wire core; 2-an insulated wire core; 3-aramid filaments; 4-cabling cotton yarn; 5-an electrical isolation layer; 6-an electrically insulating layer; 7-shielding a wire core layer; 8, a protective layer; 1.1-tinned round copper wire; 1.2 insulating layer.

Detailed Description

The present invention will be described in detail with reference to the drawings, and it should be understood that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1 and 2, the present invention provides a bending-resistant light electrophone cable, comprising: the cable core is sequentially wrapped with an electric isolation layer 5, an electric insulation layer 6, a shielding wire core layer 7 and a protective layer 8 from inside to outside; wherein, the cabling core is composed of an insulation core 2, an aramid fiber filament 3 and a cotton yarn cabling 4.

Preferably, the cabling core comprises six circularly arranged insulated wire cores 2, and one aramid fiber yarn 3 and two cotton yarns 4 are arranged in the middle of each insulated wire core 2 to form a cable, so that the cabling core is of a circular structure. The insulated wire core 2 comprises a conductive wire core 1 and an insulated layer 1.2. The conductive wire core 1 is a tinned round copper wire 1.1 and a conductive wire core 1 made of aramid fiber tows, and an insulating layer made of polytetrafluoroethylene insulating materials is extruded outside the conductive wire core 1; the electric isolation layer 5 is electric isolation paper with electric insulation performance; the electric insulation layer 6 is an insulation layer made of nylon yarns; the shielding wire core layer 7 is formed by weaving tinned round copper wires, and the density of the shielding wire core layer 7 is not less than 90%. The protective layer 8 is made of polyurethane.

Specifically, the cable is formed by cabling six insulated wire cores 2 with 1650D aramid fiber wires and 2 pieces of 42/S cotton yarns, the cabled wire cores are coated with electrical isolation paper with good electrical insulation performance, then the cabled wire cores are wrapped with the electrical isolation paper with high strength, excellent wear resistance, corrosion resistance, mildew resistance, moth resistance, alkali resistance and better electrical insulation performance, the polyamide wires are wound by one layer and then woven by micro tinned copper wires to form shielding wire cores, and the environment-friendly, flame-retardant, high-elasticity, low-temperature resistance, wear resistance, radiation resistance, oil resistance, ozone resistance and corrosion resistance novel polyurethane is extruded to form the cable with the nominal thickness of 0.70mm and the diameter of (3.6-4.0). The ideal high-strength bending-resistant micro flame-retardant signal cable is achieved.

Specifically, the conductive wire core 1 is formed by bundling a tin-plated round copper wire with a nominal diameter of 0.05mm and a small strand of aramid fiber at a small pitch. The direct current resistance is not more than 0.384 omega/m at 20 ℃, and the direct current resistance is used for signal transmission and current transmission. The high-temperature-resistant and excellent-electrical-property fluoroplastic material is adopted to extrude a 0.15mm insulating layer to serve as an insulating wire core 2, so that current signals are transmitted according to regulations, six-core insulating wire cores are arranged to form a cable, a strand of aramid fiber wire with high tensile strength and two pieces of 42 cotton yarns are lined in the six-core cabling so that the cable core is circular, 0.06 electric isolation paper is wrapped after cabling to increase the electric insulating property of the cable, then a layer of polyamide fiber wire with high strength, excellent wear resistance, corrosion resistance, mildew resistance, moth resistance, alkali resistance and better electric insulating property is wound outside the cabling core, a fine copper wire is densely woven outside the winding core to form a shielding wire core, and an environment-friendly and flame-retardant imported polyurethane sheath with high wear resistance, weather resistance, antimicrobial property, oil resistance and excellent oil resistance is extruded outside the shielding wire core to form the ideal bending-resistant light cable.

It should be apparent to those skilled in the art that the above embodiments are only preferred embodiments of the present invention, and therefore, the modifications and changes that can be made by those skilled in the art to some parts of the present invention still embody the principles of the present invention, and the objects of the present invention are achieved, all falling within the scope of the present invention.

Claims

1. A bend resistant lightweight handset cable comprising: the cable core is sequentially wrapped with an electric isolation layer (5), an electric insulation layer (6), a shielding wire core layer (7) and a protective layer (8) from inside to outside; the cabling wire core is formed by cabling of the insulated wire core (2), the aramid fiber wire (3) and the cotton yarn (4).

2. The bend-resistant light-weight headset cable as claimed in claim 1, wherein the cabled core comprises six insulated cores (2) arranged in a circular pattern, and one aramid filament (3) and two cotton yarns (4) are cabled in the middle of the insulated cores (2) so that the cabled core is in a circular pattern.

3. A bend-resistant lightweight handset cable according to claim 1 or 2, characterised in that the insulated core (2) comprises a conductive core (1) and an insulating layer (1.2).

4. A bend-resistant lightweight handset cable according to claim 3, wherein the conductive core (1) is a conductive core (1) of tinned round copper wire (1.1) and aramid tow, the conductive core (1) being over-extruded with an insulating layer of polytetrafluoroethylene insulation.

5. A bend-resistant lightweight handset cable according to claim 1, characterised in that the electrically isolating layer (5) is an electrically isolating paper having electrically insulating properties.

6. A bend-resistant lightweight handset cable according to claim 1, characterised in that the electrically insulating layer (6) is an insulating layer of nylon filaments.

7. A bend-resistant lightweight handset cable according to claim 1 wherein the shield core layer (7) is braided from tinned round copper wire to form a shield core layer, the shield core layer (7) having a density of not less than 90%.

8. A bend-resistant lightweight handset cable according to claim 1, characterised in that the protective layer (8) is a protective layer made of polyurethane.