CN215815250U

CN215815250U - Aerospace cable with shielding wire

Info

Publication number: CN215815250U
Application number: CN202121064037.2U
Authority: CN
Inventors: 李修成
Original assignee: Shenzhen Lianying Communication Co ltd
Current assignee: Shenzhen Lianying Communication Co ltd
Priority date: 2021-05-18
Filing date: 2021-05-18
Publication date: 2022-02-11
Anticipated expiration: 2031-05-18

Abstract

The utility model relates to a shielded wire and cable for aerospace, and belongs to the technical field of wires and cables. The shielding structure comprises a central wire and a first shielding layer; be equipped with first outer wire in the first shielding layer, the outer wire of second, central conductor, first outer wire, the equal cladding in the outer wire outside of second has the insulating layer, be equipped with the skeleton in the first shielding layer, the second shielding layer is located first outer wire, between the outer wire of second, be equipped with many first outer wires in the first shielding layer, the outer wire of second, the skeleton outside is equipped with the inoxidizing coating, be equipped with the steel wire in the inoxidizing coating, the inoxidizing coating outside is equipped with first armor, the second armor, first armor, all be equipped with the elasticity arch on the second armor, be equipped with the waterproof layer on the second armor. The utility model provides a shielded wire cable for aerospace, which can be suitable for places with higher environmental temperature and severe conditions, meets the requirements of safer and better insulating property on aircraft wires, and avoids transmission signal interference.

Description

Aerospace cable with shielding wire

Technical Field

The utility model relates to a shielded wire and cable for aerospace, and belongs to the technical field of wires and cables.

Background

The cable for aerospace needs to be as light as possible on the premise of meeting basic purposes, and the cable applied to certain electric wires and cables which are easy to hit on a fire part of a fighter aircraft still has normal functions of electrifying and communication (digital signals and analog signals) under the condition of surrounding fire and large pulling stress.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a shielded cable for aerospace, which is suitable for places with high environmental temperature and severe conditions, meets the requirements of safer and better insulating performance on aircraft wires, and avoids transmission signal interference.

The utility model provides an aerospace cable with a shielding wire, which comprises a central conductor and a first shielding layer, wherein the central conductor is arranged on the central conductor; the central conductor is positioned in a first shielding layer, a first outer conductor and a second outer conductor are arranged in the first shielding layer, insulating layers are coated on the outer sides of the central conductor, the first outer conductor and the second outer conductor, a framework and a second shielding layer are arranged in the first shielding layer, the central conductor, the first outer conductor and the second outer conductor are positioned in the framework, the second shielding layer is positioned between the first outer conductor and the second outer conductor, a plurality of first outer conductors and second outer conductors are arranged in the first shielding layer, the second outer conductor presses the second shielding layer into a gap between any two adjacent first outer conductors, the central conductor is contacted with the adjacent first outer conductors, the first outer conductors at two adjacent ends are connected through being provided with first fillers, two sides of the first fillers are contacted with the central conductor and the second shielding layer, a protective layer is arranged on the outer side of the framework, the steel wire is arranged in the protective layer, a first armor layer and a second armor layer are arranged on the outer side of the protective layer, elastic protrusions are arranged on the first armor layer and the second armor layer, and a waterproof layer is arranged on the second armor layer.

And 4 first outer leads and 4 second outer leads are arranged in the first shielding layer.

The insulating layer is a fluoropolymer insulating layer.

The skeleton is regular octagon, eight summits of skeleton all contact with first shielding layer, all be equipped with the second filler between first shielding layer and the skeleton, between skeleton and the second shielding layer.

The interior of the first filler is of a hollow structure, and the cross section of the first filler is oval.

The protective layer is internally provided with a plurality of steel wires which are circumferentially distributed in the protective layer.

All be equipped with a plurality of elastic bulge on first armor, the second armor, it is a plurality of elastic bulge becomes the circumference and distributes on being located first armor, the second armor, elastic bulge is the dislocation distribution on first armor, the second armor.

The utility model has the beneficial effects that:

the utility model provides a shielded wire cable for aerospace, which can be suitable for places with higher environmental temperature and severe conditions, meets the requirements of safer and better insulating property on aircraft wires, and avoids transmission signal interference.

Drawings

Fig. 1 is a schematic cross-sectional structural view of an aerospace cable with a shielded wire according to the present invention.

(1, central conductor, 2, first shielding layer, 3, first outer conductor, 4, second outer conductor, 5, insulating layer, 6, framework, 7, second shielding layer, 8, first filling material, 9, protective layer, 10, steel wire, 11, first armor layer, 12, second armor layer, 13, elastic bulge)

Detailed Description

Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

As shown in fig. 1 to 1: the utility model provides a shielded wire cable for aerospace, which comprises a central conductor 1 and a first shielding layer 2; the central conductor 1 is positioned in a first shielding layer 2, a first outer conductor 3 and a second outer conductor 4 are arranged in the first shielding layer 2, the outer sides of the central conductor 1, the first outer conductor 3 and the second outer conductor 4 are respectively coated with an insulating layer 5, a framework 6 and a second shielding layer 7 are arranged in the first shielding layer 2, the central conductor 1, the first outer conductor 3 and the second outer conductor 4 are respectively positioned in the framework 6, the second shielding layer 7 is positioned between the first outer conductor 3 and the second outer conductor 4, a plurality of first outer conductors 3 and a plurality of second outer conductors 4 are arranged in the first shielding layer 2, the second outer conductor 4 presses the second shielding layer 7 into a gap between any two adjacent first outer conductors 3, the central conductor 1 is contacted with the adjacent first outer conductors 3, and the first outer conductors 3 at two adjacent ends are connected through a first filling material 8, the novel wire harness is characterized in that two sides of the first filler 8 are in contact with the central wire 1 and the second shielding layer 7, the protective layer 9 is arranged on the outer side of the framework 6, steel wires 10 are arranged in the protective layer 9, the first armor layer 11 and the second armor layer 12 are arranged on the outer side of the protective layer 9, elastic protrusions 13 are arranged on the first armor layer 11 and the second armor layer 12, and a waterproof layer is arranged on the second armor layer 12.

In the utility model, 4 first outer leads 3 and 4 second outer leads 4 are arranged in the first shielding layer 2.

The insulating layer 5 in the present invention is a fluoropolymer insulating layer.

According to the utility model, the framework 6 is in a regular octagon shape, eight vertexes of the framework 6 are all contacted with the first shielding layer 2, and second fillers are respectively arranged between the first shielding layer 2 and the framework 6 and between the framework 6 and the second shielding layer 7.

According to the utility model, the interior of the first filler 8 is of a hollow structure, and the cross section of the first filler 8 is oval.

A plurality of steel wires 10 are arranged in a protective layer 9, and the steel wires 10 are circumferentially distributed in the protective layer 9.

According to the utility model, a plurality of elastic protrusions 13 are respectively arranged on the first armor layer 11 and the second armor layer 12, the elastic protrusions 13 are circumferentially distributed on the first armor layer 11 and the second armor layer 12, and the elastic protrusions 13 on the first armor layer 11 and the second armor layer 12 are distributed in a staggered manner.

The working principle is as follows: in the electric wire and cable, set up corresponding insulating layer 5, shielding layer, waterproof layer, make the electric wire and cable itself possess insulating, jam-proof and waterproof performance, the practicability is higher, the said centre wire 1 is used for transmitting the high-pressure alternating current, said first outer wire 3, second outer wire 4 are used for transmitting the control signal, receiving the control signal respectively, the said second shielding layer 7 lies between first outer wire 3, second outer wire 4 can separate the first outer wire 3, second outer wire 4 effectively and avoid the interference of the transmission signal, both ends of said first stopping material 8 contact with adjacent first outer wire 3, centre wire 1 and second shielding layer 7 respectively, said first filling layer 8 can limit and avoid its displacement to first outer wire 3, second outer wire 4, centre wire 1, second shielding layer 7 effectively, the inside hollow structure that can effectual weight reduction of first filling layer 8, skeleton 6 is regular octagon, and this design can submit the inside utilization ratio of cable when improving cable internal strength, makes the cable more closely be circular, steel wire 10 can the effectual power of dragging that improves the cable in inoxidizing coating 9, thereby elasticity arch on first armor 11, the second armor 12 can carry out the shock attenuation resistance to compression when the cable receives the extrusion and protect the cable inside can not receive the damage.

The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure 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 aerospace is with taking shielded wire cable which characterized in that: comprises a central lead (1) and a first shielding layer (2); the central conductor (1) is positioned in a first shielding layer (2), a first outer conductor (3) and a second outer conductor (4) are arranged in the first shielding layer (2), the outer sides of the central conductor (1), the first outer conductor (3) and the second outer conductor (4) are respectively coated with an insulating layer (5), a framework (6) and a second shielding layer (7) are arranged in the first shielding layer (2), the central conductor (1), the first outer conductor (3) and the second outer conductor (4) are respectively positioned in the framework (6), the second shielding layer (7) is positioned between the first outer conductor (3) and the second outer conductor (4), a plurality of first outer conductors (3) and a plurality of second outer conductors (4) are arranged in the first shielding layer (2), and the second outer conductor (4) presses the second shielding layer (7) into a gap between any two adjacent first outer conductors (3), the novel wire harness is characterized in that the central wire (1) is in contact with the adjacent first outer wire (3), the first outer wires (3) at two adjacent ends are connected through the first filling material (8), two sides of the first filling material (8) are in contact with the central wire (1) and the second shielding layer (7), the protective layer (9) is arranged on the outer side of the framework (6), steel wires (10) are arranged in the protective layer (9), the outer side of the protective layer (9) is provided with the first armor layer (11) and the second armor layer (12), elastic protrusions (13) are arranged on the first armor layer (11) and the second armor layer (12), and a waterproof layer is arranged on the second armor layer (12).

2. The aerospace shielded electrical wire cable of claim 1, wherein: and 4 first outer leads (3) and 4 second outer leads (4) are arranged in the first shielding layer (2).

3. The aerospace shielded electrical wire cable of claim 1, wherein: the insulating layer (5) is a fluoropolymer insulating layer.

4. The aerospace shielded electrical wire cable of claim 1, wherein: the novel shielding structure is characterized in that the framework (6) is in a regular octagon shape, eight vertexes of the framework (6) are in contact with the first shielding layer (2), and second fillers are arranged between the first shielding layer (2) and the framework (6) and between the framework (6) and the second shielding layer (7).

5. The aerospace shielded electrical wire cable of claim 1, wherein: the interior of the first filling material (8) is of a hollow structure, and the cross section of the first filling material (8) is oval.

6. The aerospace shielded electrical wire cable of claim 1, wherein: be equipped with in inoxidizing coating (9) many with steel wire (10), many steel wire (10) are located inoxidizing coating (9) and are the circumference and distribute.

7. The aerospace shielded electrical wire cable of claim 1, wherein: all be equipped with a plurality of elastic bulge (13) on first armor (11), second armor (12), it is a plurality of elastic bulge (13) are located and become the circumference and distribute on first armor (11), second armor (12), elastic bulge (13) are the dislocation distribution on first armor (11), second armor (12).