CN205941995U

CN205941995U - Ribbon optical fiber for space flight

Info

Publication number: CN205941995U
Application number: CN201620675917.6U
Authority: CN
Inventors: 韦正世; 李晓红
Original assignee: CETC 8 Research Institute
Current assignee: CETC 8 Research Institute
Priority date: 2016-06-29
Filing date: 2016-06-29
Publication date: 2017-02-08
Anticipated expiration: 2026-06-29

Abstract

The utility model discloses a ribbon optical fiber for space flight, including the optical fiber ribbon, the optical fiber ribbon is lined up one row by a plurality of optic fibre and is constituted, the optical fiber ribbon wraps up the one deck buffer layer outward, buffering thin layer or coating or the crowded covering of buffer layer for adopting the macromolecular material to make, buffer layer are equipped with the enhancement layer outward, the enhancement layer wraps up the outer jacket outward, carries out buffer protection and reinforcing through set up buffer layer and enhancement layer to the optical fiber ribbon, can effectively improve the intensity and the holistic resistant high and low temperature performance of optical cable of optic fibre, satisfies the demand of hanging down supplementary load loss under the extreme temperature environment to the optical cable for optic fibre supplementary load loss under extremely high low temperature condition be effectively controlled, guarantees optic fibre low -loss transmission under conditions such as irradiation, high low temperature.

Description

A kind of space flight optical fiber ribbon cable

Technical field

This utility model is related to optical cable, particularly to a kind of space flight optical fiber ribbon cable.

Background technology

With the continuous development of space technology, weaponry is growing to the demand of information, needs using a large amount of light Fibre carries out high-speed high capacity information transfer, and traditional twisting type multifiber cable, because size, weight are larger, cannot expire The requirement of the placement-and-routing under sufficient spacecraft internal pinch subenvironment, and the optical cable of traditional space flight is under high and low temperature environment Added losses too high it is difficult to adapt under the spatial environmentss such as thermal vacuum, irradiation, vacuum outgassing transmission information.

Utility model content

Technical problem to be solved in the utility model is to provide a kind of space flight optical fiber ribbon cable, and this optical cable can effectively overcome After fibre ribbon stranding, under high and low temperature environment, added losses are too high, and under the spatial environmentss such as thermal vacuum, irradiation, vacuum outgassing Adaptability problem.

For achieving the above object, this utility model provides following technical scheme：A kind of space flight optical fiber ribbon cable, including light Fibre ribbons, fibre ribbon is arranged in a row by some optical fiber and constitutes, described one layer of cushion of fibre ribbon outer wrapping, and described cushion is to adopt The buffer thin film layer made with macromolecular material or coating or extrude layer, cushion is externally provided with enhancement layer, described enhancement layer outsourcing Wrap up in outer jacket.

Preferably, cushion adopts buffer thin film layer, the wrapped outer layer in fibre ribbon of buffer thin film layer, and thin layer outer layer is also It is provided with wrapped thin layer.

Preferably, cushion adopts buffer coat, and buffer coat is coated in the outer layer of fibre ribbon, and the outer layer of buffer coat leads to Cross braiding, stranded or wrapped mode is wound around continuous reinforcing fiber layer I.

Preferably, cushion extrudes layer using buffering, and buffering extrudes layer and directly extrudes outer layer in fibre ribbon, and buffering extrudes Layer outer layer by braiding, stranded or wrapped by way of be wound around continuous reinforcing fiber layer II.

Preferably, outer jacket is made using macromolecular material, and macromolecular material adopts PFA material or FEP material, ETFE material Material.

Preferably, the fibrous material of continuous reinforcing fiber layer I adopts aramid fiber or polyester fiber, glass fibre, PBO fine Dimension, carbon fiber, polyimide fiber.

Preferably, the fibrous material of continuous reinforcing fiber layer II be also adopted by aramid fiber or polyester fiber, glass fibre, Pbo fiber, carbon fiber, polyimide fiber.

Preferably, the macromolecular material that cushion adopts is PTFE material or EPTFE material, PVDF material, PFA material, FEP material.

Using technique scheme, by buffer protection and enhancing are carried out to fibre ribbon setting cushion and enhancement layer, The intensity of optical fiber and the high and low temperature resistance that optical cable is overall can be effectively improved, meet low to optical cable additional under extreme temperature environment Loss demand so that optical fiber added losses under extreme high/low temperature condition be effectively controlled it is ensured that optical fiber in irradiation, just Low-loss transmission under the conditions of temperature etc..This utility model, by the way of thin film parcel buffering, coating buffer and extrude buffering, passes through Fiber microbending loss problem under structure, optimization design and material preferred effectively solving high and low temperature environment, passes through continuous simultaneously Fiber reinforcement and oversheath extrusion molding are it is ensured that the overall machinery of optical cable and environmental performance.

Brief description

Fig. 1 is the schematic cross-section that this utility model cushion is buffer thin film layer；

Fig. 2 is the schematic cross-section that this utility model cushion is buffer coat；

Fig. 3 is the schematic cross-section that this utility model cushion is buffering extrudes layer.

Specific embodiment

Below in conjunction with the accompanying drawings, by the description to embodiment, this utility model is described further：

As shown in Figure 1, 2, 3, a kind of space flight of this utility model optical fiber ribbon cable, including fibre ribbon 1, fibre ribbon 1 is by some Root optical fiber is arranged in a row composition, fibre ribbon one layer of cushion 2 of 1 outer wrapping, and cushion 2 is the buffering made using macromolecular material Thin layer or coating or extrude layer, cushion 2 is externally provided with enhancement layer 3, enhancement layer 3 outer wrapping outer jacket 4, and outer jacket 4 is using high Molecular material is made, and macromolecular material adopts PFA material or FEP material, ETFE material, the macromolecular material that cushion 2 adopts For PTFE material or EPTFE material, PVDF material, PFA material, FEP material.

This utility model when cushion 2 adopt buffer thin film layer when, the wrapped outer layer in fibre ribbon 1 of buffer thin film layer, thin Film layer outer layer is additionally provided with wrapped thin layer 5；When cushion 2 adopt buffer coat when, that is, on fibre ribbon 1 directly coating one layer and The solidify coating that optical fiber matches, buffer coat is coated in the outer layer of fibre ribbon 1, and the outer layer of buffer coat passes through braiding, stranded Or wrapped mode is wound around continuous reinforcing fiber layer I 6, the fibrous material of continuous reinforcing fiber layer I 6 adopts aramid fiber or polyester Fiber, glass fibre, pbo fiber, carbon fiber, polyimide fiber；When cushion 2 is extruded layer using buffering, that is, in optical fiber Fluorine-containing hard-pressed bale layer is directly extruded on band 1 as cushion 2, buffering extrudes layer and directly extrudes outer layer in fibre ribbon 1, buffering extrudes Layer outer layer by braiding, stranded or wrapped by way of be wound around continuous reinforcing fiber layer II 7, the fibre of continuous reinforcing fiber layer II 7 Dimension material is also adopted by aramid fiber or polyester fiber, glass fibre, pbo fiber, carbon fiber, polyimide fiber.

This utility model, by carrying out buffer protection and enhancing to fibre ribbon 1 setting cushion 2 and enhancement layer 3, can have Effect improves the intensity of optical fiber and the high and low temperature resistance that optical cable is overall, meets under extreme temperature environment to optical cable lower added loss Demand so that optical fiber added losses under extreme high/low temperature condition are effectively controlled it is ensured that optical fiber is in irradiation, high/low temperature etc. Under the conditions of low-loss transmission so that optical cable has the low (α of attenuation constant_1310nm≤ 0.5dB/km), tensile strength high (>200N), curved The advantage of Qu Xingneng good (bending radius 30mm), resistance to irradiation (more than 200Krad (Si)) and high-low temperature resistant (- 65 DEG C～150 DEG C), And meet the conditions such as thermal vacuum, vacuum outgassing and inflammability.

This utility model using thin film parcel buffering, coating buffering and by the way of extruding buffering, by structure, process optimization Fiber microbending loss problem under design and material preferred effectively solving high and low temperature environment, passes through continuous lod and outer shield simultaneously Set extrusion molding is it is ensured that the overall machinery of optical cable and environmental performance.By changing the consumption of reinforcing material, series difference can be obtained The resistance to irradiation of external diameter, intensity and weight, high-low temperature resistant optical cable.

Above-described is only preferred implementation of the present utility model it is noted that ordinary skill for this area For personnel, on the premise of creating design without departing from this utility model, some deformation can also be made and improve, these all belong to In protection domain of the present utility model.

Claims

1. a kind of space flight optical fiber ribbon cable, including fibre ribbon (1), fibre ribbon (1) is arranged in a row by some optical fiber and constitutes, and it is special Levy and be：Described one layer of cushion (2) of fibre ribbon (1) outer wrapping, described cushion (2) is using delaying that macromolecular material is made Ironing film layer or coating or extrude layer, cushion (2) is externally provided with enhancement layer (3), described enhancement layer (3) outer wrapping outer jacket (4).

2. space flight optical fiber ribbon cable according to claim 1 it is characterised in that：Described cushion (2) adopts buffer thin film Layer, the wrapped outer layer in fibre ribbon (1) of buffer thin film layer, thin layer outer layer is additionally provided with wrapped thin layer (5).

3. space flight optical fiber ribbon cable according to claim 1 it is characterised in that：Described cushion (2) adopts buffer coat, Buffer coat is coated in the outer layer of fibre ribbon (1), the outer layer of buffer coat by braiding, stranded or wrapped by way of be wound around continuous Reinforcing fiber layer I (6).

4. space flight optical fiber ribbon cable according to claim 1 it is characterised in that：Described cushion (2) is extruded using buffering Layer, buffering extrudes layer and directly extrudes outer layer in fibre ribbon (1), and the outer layer that buffering extrudes layer passes through braiding, stranded or wrapped Mode is wound around continuous reinforcing fiber layer II (7).

5. the space flight optical fiber ribbon cable according to any one of claim 2 to 4 it is characterised in that：Described outer jacket (4) is adopted Made with macromolecular material, macromolecular material adopts PFA material or FEP material, ETFE material.

6. space flight optical fiber ribbon cable according to claim 3 it is characterised in that：The fibre of described continuous reinforcing fiber layer I (6) Dimension material adopts aramid fiber or polyester fiber, glass fibre, pbo fiber, carbon fiber, polyimide fiber.

7. space flight optical fiber ribbon cable according to claim 4 it is characterised in that：Described continuous reinforcing fiber layer II (7) Fibrous material is also adopted by aramid fiber or polyester fiber, glass fibre, pbo fiber, carbon fiber, polyimide fiber.

8. space flight optical fiber ribbon cable according to claim 1 it is characterised in that：The macromolecule that described cushion (2) adopts Material is PTFE material or EPTFE material, PVDF material, PFA material, FEP material.