CN217386702U

CN217386702U - High-temperature-resistant flat photoelectric composite cable for aviation transmission

Info

Publication number: CN217386702U
Application number: CN202221108275.3U
Authority: CN
Inventors: 商宇; 王焱; 高帅
Original assignee: Hunan Valin Wire and Cable Co Ltd
Current assignee: Hunan Valin Wire and Cable Co Ltd
Priority date: 2022-05-10
Filing date: 2022-05-10
Publication date: 2022-09-06
Anticipated expiration: 2032-05-10

Abstract

The utility model discloses a high temperature resistant flat photoelectric composite cable for aviation transmission, including sinle silk stranding unit and oversheath unit, the oversheath unit wrap up in the sinle silk stranding unit outside, oversheath unit cross-section is the rectangle and the four corners is provided with the chamfer, sinle silk stranding unit includes parallel arrangement's power sinle silk and optic fibre sinle silk, the power sinle silk sets up about optic fibre sinle silk symmetry, the power sinle silk includes the conductor and sets up the insulating layer in the conductor outside; the optical fiber cable core sequentially comprises a multimode optical fiber, a nylon tight wrapping layer, a reinforced fiber weaving layer and a high-temperature resistant extrusion layer from inside to outside, and the outer sheath unit sequentially comprises a polyester tape layer, a silver-plated aramid fiber weaving layer, a heat insulation layer, a mica tape wrapping layer and a high-temperature resistant sheath layer from inside to outside. The problems of poor tensile strength and easy breakdown of the existing photoelectric composite cable are solved.

Description

High-temperature-resistant flat photoelectric composite cable for aviation transmission

Technical Field

The utility model relates to a cable structure field especially relates to an aviation transmission is with flat photoelectric composite cable of high temperature resistant.

Background

The photoelectric composite cable is used as a novel access mode suitable for a communication access network system, combines a power transmission line and an optical fiber together, and synchronously solves the problems of equipment power supply and signal access at one time. In the field of aviation transmission, some photoelectric composite cables need to have good high temperature resistance in the using process, so that the photoelectric composite cables can be prevented from influencing the using effect under the high-temperature state.

However, the high temperature resistant effect of the existing photoelectric composite cable is not very good, so that the photoelectric composite cable cannot work well in a high temperature state, and therefore a high temperature resistant photoelectric composite cable is urgently needed in the market to solve the problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high temperature resistant photoelectric composite cable to solve the current photoelectric composite cable's the not good problem of high temperature resistant effect, make the operation that photoelectric composite cable can be normal under high temperature state.

In order to achieve the above object, the utility model provides a following technical scheme: a high-temperature-resistant flat photoelectric composite cable for aviation transmission comprises a cable core cabling unit and an outer sheath unit, wherein the outer sheath unit wraps the outer side of the cable core cabling unit, the cross section of the outer sheath unit is rectangular, chamfers are arranged at four corners of the outer sheath unit, the cable core cabling unit comprises a power supply cable core and an optical fiber cable core which are arranged in parallel, the power supply cable core is symmetrically arranged relative to the optical fiber cable core, and the power supply cable core comprises a conductor and an insulating layer arranged on the outer side of the conductor; the optical fiber core sequentially comprises a multimode optical fiber, a nylon tight cladding layer, a reinforced fiber woven layer and a high-temperature-resistant extrusion layer from inside to outside, and the nylon tight cladding layer reinforces the multimode optical fiber. The outer sheath unit sequentially comprises a polyester tape layer, a silver-plated aramid fiber woven layer, a heat insulation layer, a mica tape wrapping layer and a high-temperature-resistant sheath layer from inside to outside.

As a further improvement of the technical scheme:

the thermal-insulating layer is including distributing in the support bar of silver-plated aramid fiber weaving layer, support bar, mica tape surround the covering and aramid fiber weaving layer three surrounds formation heat-insulating groove.

The insulating layer is formed by extruding and wrapping polyfluorinated ethylene propylene.

The multimode optical fiber is externally coated with a polyimide coating.

And high-temperature curing glue is coated between the power wire core and the optical fiber wire core.

The high-temperature-resistant sheath layer is formed by extruding and wrapping polyfluorinated ethylene propylene.

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

the utility model discloses an aviation transmission is with high temperature resistant flat photoelectric composite cable has characteristics such as the size is little, light in weight, mechanical properties is reliable, environmental performance is good, be applicable to airborne equipment communication system's transmission link, also can be applied to other narrowly lay the environment, operating temperature range broad, need the photoelectric composite transmission system that lightweight and high density were laid, and overall structure scientific and reasonable, simple installation, optical fiber, transmission of electricity copper line in an organic whole, not only can solve the broadband and insert, signal transmission's problem, can also be used for the transport and the distribution of electric energy, can effectually solve the problem of equipment power consumption among the network construction, avoid repeated laying the power supply line to cause the safety problem. The composite cable has the advantages of flat structure, small occupied space, low purchasing construction and network construction cost, convenient construction and the like. The power line is insulated by the fluorinated ethylene propylene, so that the cable is ensured to have excellent electrical property, mechanical property and high temperature resistance, and high breakdown strength, good corona resistance, low dielectric loss and high tensile strength of the cable are ensured. The oversheath has high temperature resistant, excellent electrical property and mechanical properties, the durability and the suitability of cable have been improved, through using high temperature resistant material and set up the heat-proof tank in cable outer protective layer inboard, the supporting shoe, can avoid the direct and external contact of inside wire and then cause the damage on the one hand, on the other hand can prevent that the external temperature is too high to lead to the environment of cable direct contact high temperature, the insulating layer has excellent thermal-insulated effect in addition, can play good isolated high temperature effect to inside cable and optical cable.

Drawings

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

fig. 2 is an enlarged view of a portion a in fig. 1 according to the present invention.

Reference numerals: 21. a conductor; 22. an insulating layer; 10. a multimode optical fiber; 11. a nylon tight-wrapping layer; 12. a reinforcing fiber braid; 13. a high temperature resistant extruded layer; 3. high-temperature-resistant curing glue; 4. a polyester tape layer; 5. an aramid fiber woven layer; 6. a thermal insulation layer; 7. a mica tape lapping layer; 8. a high temperature resistant sheath layer; 61. a supporting strip; 62. a heat insulation groove.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "provided," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious 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 fig. 2, the high-temperature-resistant flat photoelectric composite cable for aviation transmission of the present embodiment includes a cable core cabling unit and an outer sheath unit, the outer sheath unit is wrapped outside the cable core cabling unit, the outer sheath unit has a rectangular cross section and four corners provided with chamfers, the cable core cabling unit includes a power supply cable core and an optical fiber cable core which are arranged in parallel, the power supply cable core is symmetrically arranged with respect to the optical fiber cable core, and the power supply cable core includes a conductor 21 and an insulating layer 22 arranged outside the conductor 21; the optical fiber cable core sequentially comprises a multimode optical fiber 10, a nylon tight wrapping layer 11, a reinforced fiber weaving layer 12 and a high-temperature resistant extrusion layer 13 from inside to outside, and the outer sheath unit sequentially comprises a polyester tape layer 4, a silver-plated aramid fiber weaving layer 5, a heat insulation layer 6, a mica tape wrapping layer 7 and a high-temperature resistant sheath layer 8 from inside to outside.

The thermal-insulating layer 6 comprises support bars 61 distributed on the silver-plated aramid fiber woven layer 5, and the support bars 61, the mica tape wrapping layer 7 and the aramid fiber woven layer 5 are encircled to form a thermal-insulating groove 62. So set up, can avoid the direct and external contact of inside wire and then cause the damage on the one hand, on the other hand can prevent that the external temperature is too high and leads to the environment of cable direct contact high temperature, and the insulating layer has excellent thermal-insulated and radiating effect in addition, can play good isolated high temperature effect to inside cable and optical cable.

The insulating layer 22 is formed by extruding fluorinated ethylene propylene.

The multimode optical fiber 10 is coated with a polyimide coating. So set up for optic fibre has characteristics such as high temperature resistant, ageing-resistant, resistant radiation, stable durable, makes optic fibre can use for a long time under the abominable environment of high temperature.

High-temperature curing glue 3 is coated between the power wire core and the optical fiber wire core.

The high-temperature resistant sheath layer 8 is formed by extruding and wrapping polyfluorinated ethylene propylene.

The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an aviation transmission is with flat photoelectric composite cable of high temperature resistant, includes sinle silk stranding unit and oversheath unit, the oversheath unit wrap up in the sinle silk stranding unit outside, its characterized in that: the cable core cabling unit comprises a power supply wire core and an optical fiber wire core which are arranged in parallel, the power supply wire core is symmetrically arranged relative to the optical fiber wire core, and the power supply wire core comprises a conductor (21) and an insulating layer (22) arranged on the outer side of the conductor (21); the optical fiber cable core sequentially comprises a multimode optical fiber (10), a nylon tight wrapping layer (11), a reinforced fiber woven layer (12) and a high-temperature resistant extrusion layer (13) from inside to outside, and the outer sheath unit sequentially comprises a polyester tape layer (4), a silver-plated aramid fiber woven layer (5), a heat insulation layer (6), a mica tape wrapping layer (7) and a high-temperature resistant sheath layer (8) from inside to outside.

2. The high-temperature-resistant flat photoelectric composite cable for airborne transmission according to claim 1, characterized in that: the heat insulation layer (6) comprises support bars (61) distributed on the silver-plated aramid fiber woven layer (5), and the support bars (61), the mica tape wrapping layer (7) and the aramid fiber woven layer (5) are surrounded to form a heat insulation groove (62).

3. The high-temperature-resistant flat photoelectric composite cable for airborne transmission according to claim 2, characterized in that: the insulating layer (22) is formed by extruding and wrapping polyfluorinated ethylene propylene.

4. The high-temperature-resistant flat photoelectric composite cable for airborne transmission according to claim 3, wherein: the multimode optical fiber (10) is coated with a polyimide coating.

5. The high-temperature-resistant flat photoelectric composite cable for airborne transmission according to claim 4, wherein: and high-temperature curing glue (3) is coated between the power wire core and the optical fiber wire core.

6. The high-temperature-resistant flat photoelectric composite cable for airborne transmission according to claim 5, wherein: the high-temperature-resistant sheath layer (8) is formed by extruding and wrapping polyfluorinated ethylene propylene.