CN216957493U

CN216957493U - Ground missile is with compound type bandlet cable of weaving of multilayer

Info

Publication number: CN216957493U
Application number: CN202220269847.XU
Authority: CN
Inventors: 岳海东; 朱接印; 于大永; 段英娜; 贾佳; 余虹; 吴黄新; 赵春弟
Original assignee: HUBEI AEROSPACE CABLE CO Ltd
Current assignee: HUBEI AEROSPACE CABLE CO Ltd
Priority date: 2022-02-10
Filing date: 2022-02-10
Publication date: 2022-07-12
Anticipated expiration: 2032-02-10

Abstract

The utility model discloses a multilayer composite braided ribbon cable for ground missiles, which relates to the technical field of cables and comprises silver-plated conductor PFA insulated electric wires and cables, a braided layer and an outer protective layer, wherein the silver-plated conductor PFA insulated electric wires and cables are combined into a single-layer multi-core cable side by side, the braided layer and the outer protective layer are coated on the single-layer multi-core cable, the single-layer multi-core cable is combined into a multilayer multi-core cable, and the outer protective layer is also coated on the surface of the multilayer multi-core cable; wherein: the PFA insulated wire cable with the silver-plated conductor comprises a conductor, an insulating layer, a braided shielding layer and a sheath layer, wherein the insulating layer is coated on the surface of the conductor, the braided shielding layer and the surface of the insulating layer are coated, the conductor adopts a silver-plated copper stranded conductor, the appearance of the stranded conductor is smooth and flat by adopting the silver-plated copper stranded conductor, the bending performance is good, the wiring space can be saved, and the PFA insulated wire cable with the silver-plated conductor has high temperature resistance and tensile resistance.

Description

Ground missile is with compound type bandlet cable of weaving of multilayer

Technical Field

The utility model relates to the technical field of cables, in particular to a multilayer composite woven flat ribbon cable for a ground missile.

Background

Ground is signal control and power output in the compound type bandlet cable of weaving of multilayer for guided missile aircraft cabin in ground mainly used, because the structural space of ground guided missile aircraft cabin itself is comparatively narrow, but required cable core number and specification are more, and traditional round wire structure and individual layer flat cable structure all can't satisfy the wiring requirement, therefore the cable need design into the compound bandlet structure of multilayer, and possesses certain compliance to save the wiring space. In addition, the service environment in the cabin is relatively closed, the temperature of each component can rise in the working process, strict requirements are also imposed on the temperature resistance level of the cable in order to ensure the normal operation of the whole system, the temperature of the service environment is 200 ℃ at most, and the components for the missile have extremely high requirements on the structure and performance of the cable which is used for transmitting electric energy and need to have certain tensile property. At present, a flat flexible cable in the market is basically a single-layer cable, the width of the flat flexible cable often exceeds the requirement of a wiring space in a complex environment, and the tensile property of the flat flexible cable is relatively poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art, provides a multilayer composite woven flat ribbon cable for a ground missile, can save wiring space, has high temperature resistance and tensile resistance, and can effectively solve the problems in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: a multilayer composite woven flat ribbon cable for ground missiles comprises silver-plated conductor PFA insulated wire cables, a woven layer and an outer protective layer, wherein the silver-plated conductor PFA insulated wire cables are combined into a single-layer multi-core cable side by side, the woven layer and the outer protective layer are coated on the single-layer multi-core cable, the single-layer multi-core cable is combined into a multilayer multi-core cable, and the outer protective layer is also coated on the surface of the multilayer multi-core cable;

wherein: the PFA insulated wire cable with the silver-plated conductor comprises a conductor, an insulating layer, a braided shielding layer and a sheath layer, wherein the insulating layer is coated on the surface of the conductor, the braided shielding layer is coated on the surface of the insulating layer, and the sheath layer is coated on the surface of the braided shielding layer.

Furthermore, the conductor adopts a silver-plated copper stranded conductor, and the silver-plated copper stranded conductor is adopted to ensure that the stranded conductor has smooth and flat appearance and good bending performance.

Further, the insulating layer and the sheathing layer are made of PFA material.

Further, the braided shield layer is a tinned braided shield.

Furthermore, the weaving layer is woven by the para-aramid fiber filaments, and the weaving layer formed by weaving the para-aramid fiber filaments is arranged to weave a plurality of groups of silver-plated conductor PFA insulated wires and cables into flat wires, so that the attractiveness of the cables is guaranteed, and certain tensile property of the cables is also guaranteed.

Furthermore, the outer protective layer is wrapped and fixed by a self-adhesive polyimide belt, and the self-adhesive polyimide belt is a high-temperature-resistant material and has certain electrical insulating property and wear resistance

Compared with the prior art, the utility model has the beneficial effects that: this ground is multilayer composite weaving type ribbon cable for guided missile, has following benefit:

possess multilayer composite structure, save the wiring space, increased the compliance, all component parts of cable all use high temperature resistant, soft, tensile material, make the cable possess certain high temperature resistance in the use to possess certain tensile.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

In the figure: 1 conductor, 2 insulating layers, 3 braided shield layers, 4 sheath layers, 5 braided layers and 6 guide outer protective layers.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Referring to fig. 1, the present embodiment provides a technical solution: a ground missile multilayer composite woven flat ribbon cable comprises silver-plated conductor PFA insulated wire cables, a woven layer 5 and an outer protective layer 6, wherein the silver-plated conductor PFA insulated wire cables are combined side by side to form a single-layer multi-core cable, the woven layer 5 and the outer protective layer 6 are coated on the single-layer multi-core cable, the single-layer multi-core cable is combined to form a multilayer multi-core cable, and the outer protective layer 6 is also coated on the surface of the multilayer multi-core cable;

wherein: the silver-plated conductor PFA insulated wire cable comprises a conductor 1, an insulating layer 2, a braided shielding layer 3 and a sheath layer 4, wherein the insulating layer 2 is coated on the surface of the conductor 1, the braided shielding layer 3 is coated on the surface of the insulating layer 2, and the sheath layer 4 is coated on the surface of the braided shielding layer 3.

Furthermore, the conductor 1 adopts a silver-plated copper stranded conductor, the silver-plated copper stranded conductor of the silver-plated copper stranded conductor should meet the regulation of JB/T3135, the thickness of a silver layer should not be less than 1 mu m, and the stranded conductor has smooth and flat appearance and good bending performance.

Further, the insulating layer 2 and the sheath layer 4 are made of PFA material, and the performance index of the PFD material is in accordance with the specification of Table 1.

TABLE 1 technical indices of perfluoroalkylvinyl ether copolymer PFA

Item	Index (I)
		Tensile strength, Mpa	≥20
Elongation percentage of%	≥250
		Melting point of	302～310
Dielectric constant	2.0～2.2
		Dielectric loss tangent 1MHz	≤5×10^-4
Volume resistivity of 23 ℃ omega cm	≥1×10¹⁶

Further, the braided shield layer 3 is a tinned braided shield, silver-plated soft copper wires are adopted in the tinned braided shield in the braiding process, the silver-plated soft copper wires need to meet the regulation of JB/T3135, and the thickness of a silver layer is not less than 1 μm.

Further, weaving layer 5 adopts para-position aramid fiber filament to weave, weaves multiunit silver-plated conductor PFA insulated wire and cable into the flat line through setting up weaving layer 5 that is woven and is formed by para-position aramid fiber filament, not only guarantees the pleasing to the eye of cable, has also guaranteed the certain tensile properties of cable.

Furthermore, the outer protective layer 6 is wrapped and fixed by a self-adhesive polyimide tape, and the self-adhesive polyimide tape is a high-temperature-resistant material and has certain electrical insulation performance and wear resistance.

The working principle of the multilayer composite woven ribbon cable for the ground missile provided by the utility model is as follows: the insulated wire and cable has a multi-layer composite structure by adopting the silver-plated conductor PFA insulated wires and cables with different specifications, the outer protective layer 6 consisting of the self-adhesive polyimide tape is adopted to tightly compound the single-layer cable into a plurality of layers, the design is optimized, the wiring space is saved, the use requirement is met, all the components of the cable are made of high-temperature-resistant and tensile-resistant materials, and the performances of high temperature resistance, tensile resistance and the like of the cable can be effectively enhanced.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The utility model provides a ground is compound flat ribbon cable of weaving of multilayer for guided missile which characterized in that: the cable comprises silver-plated conductor PFA insulated wires and cables, a braided layer (5) and an outer protective layer (6), wherein the silver-plated conductor PFA insulated wires and cables are combined side by side to form a single-layer multi-core cable, the braided layer (5) and the outer protective layer (6) are coated on the single-layer multi-core cable, the single-layer multi-core cable is combined to form a multi-layer multi-core cable, and the outer protective layer (6) is also coated on the surface of the multi-layer multi-core cable;

wherein: the PFA insulated wire cable with the silver-plated conductor comprises a conductor (1), an insulating layer (2), a braided shielding layer (3) and a sheath layer (4), wherein the insulating layer (2) is coated on the surface of the conductor (1), the braided shielding layer (3) is coated on the surface of the insulating layer (2), and the sheath layer (4) is coated on the surface of the braided shielding layer (3).

2. The multilayer composite braided ribbon cable for ground missiles as claimed in claim 1, wherein: the conductor (1) is a silver-plated copper stranded conductor.

3. The multilayer composite woven ribbon cable for ground missiles as claimed in claim 1, which is characterized in that: the insulating layer (2) and the sheath layer (4) are made of PFA materials.

4. The multilayer composite woven ribbon cable for ground missiles as claimed in claim 1, which is characterized in that: the braided shielding layer (3) is a tinned braided shielding.

5. The multilayer composite woven ribbon cable for ground missiles as claimed in claim 1, which is characterized in that: the braided layer (5) is braided by para-aramid fiber filaments.

6. The multilayer composite woven ribbon cable for ground missiles as claimed in claim 1, which is characterized in that: the outer protective layer (6) is wrapped and fixed by a self-adhesive polyimide tape.