CN112071496B - Photoelectric integrated cable network assembly for aircraft engine control system and manufacturing method thereof - Google Patents

Photoelectric integrated cable network assembly for aircraft engine control system and manufacturing method thereof Download PDF

Info

Publication number
CN112071496B
CN112071496B CN202010997204.2A CN202010997204A CN112071496B CN 112071496 B CN112071496 B CN 112071496B CN 202010997204 A CN202010997204 A CN 202010997204A CN 112071496 B CN112071496 B CN 112071496B
Authority
CN
China
Prior art keywords
cable
cables
optical fiber
coaxial
cavity
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202010997204.2A
Other languages
Chinese (zh)
Other versions
CN112071496A (en
Inventor
柳朝阳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xiangtan Special Cable Co Ltd
Original Assignee
Xiangtan Special Cable Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Xiangtan Special Cable Co Ltd filed Critical Xiangtan Special Cable Co Ltd
Priority to CN202010997204.2A priority Critical patent/CN112071496B/en
Publication of CN112071496A publication Critical patent/CN112071496A/en
Application granted granted Critical
Publication of CN112071496B publication Critical patent/CN112071496B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B9/00—Power cables
    • H01B9/005—Power cables including optical transmission elements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B11/00—Communication cables or conductors
    • H01B11/02—Cables with twisted pairs or quads
    • H01B11/06—Cables with twisted pairs or quads with means for reducing effects of electromagnetic or electrostatic disturbances, e.g. screens
    • H01B11/10—Screens specially adapted for reducing interference from external sources
    • H01B11/1008—Features relating to screening tape per se
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B11/00—Communication cables or conductors
    • H01B11/22—Cables including at least one electrical conductor together with optical fibres
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
    • H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
    • H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
    • H01B3/303—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups H01B3/38 or H01B3/302
    • H01B3/306—Polyimides or polyesterimides
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/0045—Cable-harnesses
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/02—Disposition of insulation
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/08—Flat or ribbon cables
    • H01B7/0861—Flat or ribbon cables comprising one or more screens
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
    • H01B7/2806—Protection against damage caused by corrosion
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/29—Protection against damage caused by extremes of temperature or by flame
    • H01B7/292—Protection against damage caused by extremes of temperature or by flame using material resistant to heat
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/29—Protection against damage caused by extremes of temperature or by flame
    • H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B9/00—Power cables
    • H01B9/02—Power cables with screens or conductive layers, e.g. for avoiding large potential gradients
    • H01B9/021—Features relating to screening tape per se

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electromagnetism (AREA)
  • Communication Cables (AREA)

Abstract

The invention relates to a photoelectric integrated cable network component for an aircraft engine control system and a manufacturing method thereof, aiming at the photoelectric integrated cable network component for the aircraft engine control system, the photoelectric integrated cable network component comprises an outer sheath (7) positioned at the outermost layer; a layer of aramid fiber flame-retardant fiber cloth cover (8); a layer of carbon fiber metalized nickel plating shielding net (9) wrapped by aramid fiber flame-retardant fiber cloth; the cable comprises a PI composite film (13) wrapped by a carbon fiber metalized nickel-plated shielding net, wherein a cavity (10) is formed in the PI composite film, and a plurality of optical cables and cables are arranged in the cavity. The manufacturing method specifically comprises the following steps: s1: the integrated optical cable component is fixed by a braid; s2: forming a PI composite film; s3: wrapping a layer of carbon fiber metalized nickel plating shielding net; s4: wrapping a layer of aramid fiber flame-retardant fiber cloth cover; s5: wrapping a layer of outer sheath. The invention can ensure the insulation effect and improve the stability of the insulation effect.

Description

Photoelectric integrated cable network assembly for aircraft engine control system and manufacturing method thereof
Technical Field
The invention relates to a photoelectric integrated cable network component for an aircraft engine control system.
The invention also relates to a manufacturing method of the photoelectric integrated cable network component for the aircraft engine control system.
Background
In the process of launching 300 times of aerospace industry in China, the phenomenon of failure of a photoelectric control system appears for many times. The reason is mainly caused by three factors: firstly, the deformation of an engine shell is caused by high temperature in the emission process, and the optical fiber is failed due to the extrusion of the photoelectric integrated assembly; secondly, the optical fiber fails due to violent vibration in the emission process; and thirdly, the insulation resistance between the welding points in the cable network connector is sharply reduced and short circuit is caused by the high-temperature and high-humidity environment generated in the emission process.
The internal engines and other control and signal transmission modes of remote aircrafts such as rockets and the like in the industry mainly comprise the following two modes, and the effects of environmental adaptability, vibration resistance and stable signal transmission are not ideal.
Independently extruded: according to the product function, the power line, the control line, the communication cable and the optical fiber cable are independently processed and laid. The disadvantages are as follows: the large-scale high-temperature-resistant optical fiber cable has the advantages of large laying occupied space and heavy weight, the conventional high-molecular plastic for extrusion cannot bear the high temperature of 900 ℃ for a long time, and the optical fiber is easy to lose efficacy under the condition that an engine shell is heated to expand and is extruded radially when being stretched longitudinally during laying or used.
Integrated extrusion type: and (3) performing sheath extrusion on related cables and optical cables by adopting a round or flat structure. The disadvantages are as follows: the laying occupation space is large, the conventional high polymer plastic for extrusion cannot bear the high temperature of 900 ℃ for a long time, and the elongation difference between the optical fiber and the lead (the elongation of the optical fiber is less than or equal to 1.0 percent and the elongation of the lead is more than or equal to 5.0 percent) causes the optical fiber to be easily damaged and fail.
Disclosure of Invention
The invention aims to provide a photoelectric integrated cable network component for an aircraft engine control system, which can ensure the insulation effect and improve the stability of the insulation effect.
Another object of the present invention is to provide a method for manufacturing a photoelectric integrated cable network assembly for an aircraft engine control system, which can manufacture an integrated photoelectric cable that ensures an insulation effect and improves stability of the insulation effect.
Aiming at the photoelectric integrated cable network component for the aircraft engine control system, the photoelectric integrated cable network component comprises an outer sheath positioned on the outermost layer; the anti-flaming aramid fiber fabric sleeve is wrapped by the outer sheath; a layer of carbon fiber metalized nickel plating shielding net wrapped by the aramid fiber flame-retardant fiber cloth cover; the PI composite film comprises a layer of PI composite film wrapped by the carbon fiber metalized nickel-plating shielding net, wherein a cavity is formed in the PI composite film, a plurality of optical cables and cables are arranged in the cavity, and the PI composite film is supported by the optical cables and the cables.
The aramid fiber flame-retardant fiber cloth cover is a permanent flame-retardant fiber, and has the advantages of heat resistance, high strength, high wear resistance, good flexibility, low shrinkage, stable chemical structure, no molten drop during combustion, no toxic gas generation and the like.
The carbon fiber metalized nickel plating shielding net has a series of excellent performances such as high specific strength, high specific modulus, high temperature resistance, corrosion resistance, fatigue resistance, creep resistance, electric conduction, heat transfer, small thermal expansion coefficient and the like, the carbon fiber is used as a reinforcing material, the carbon fiber reinforced metal matrix composite prepared by using metal as a matrix has higher specific strength and specific modulus than a metal material, higher toughness and impact resistance than ceramic and high temperature resistance, the carbon fiber metalized nickel plating shielding net can shield electromagnetic waves, and the metal net with proper mesh size is designed, so that the material can be saved to the maximum extent and the cost can be reduced under the condition of meeting the shielding index requirement; in the outdoor application, can reduce weight, be convenient for remove, it is less to receive the wind load moreover, difficult deformation. The metal nickel has strong passivation capability, a layer of extremely thin passivation film can be rapidly generated on the surface, the corrosion of atmosphere, alkali and certain acid can be resisted, the corrosion of metal fibers can be prevented, and the metal fibers can resist bending and have good toughness; the conductive material has good conductivity, and can prevent static electricity and electromagnetic radiation and conduct electricity and transmit electric signals; the PI composite film (polyimide film) has excellent high and low temperature resistance, electrical insulation, adhesion, radiation resistance and medium resistance;
the carbon fiber metalized nickel plating shielding net is arranged between the aramid fiber flame-retardant fiber cloth cover and the PI composite film, so that the carbon fiber metalized nickel plating shielding net can be prevented from transferring heat and burning through the PI composite film. The aramid fiber flame-retardant fiber cloth cover completely wraps the carbon fiber metalized nickel plating shielding net, so that the heat transfer is reduced, the insulation effect of the PI composite film is prolonged, and the stability of the insulation effect is improved.
As a further improvement of the optoelectronic integrated cable network assembly for an aircraft engine control system of the present invention, the optical cable and the electrical cable comprise: a row of power cables and a row of communication cables are positioned at two ends of the cavity; a row of radio frequency cables are sequentially arranged on the bottom surface of the cavity between the power cable and the communication cable; a row of coaxial cables; the radio frequency cable is adjacent to the power cable and the coaxial cable, the coaxial cable is adjacent to the communication cable, and two rows of multimode optical fiber cables and one row of single-mode optical fiber cables which are spaced are distributed on the radio frequency cable and the coaxial cable; the multimode optical fiber cable and the single-mode optical fiber cable are provided with another row of coaxial cables for supporting the top surface of the cavity; the row of multimode optical fiber cables are spaced from the power cable and are adjacent to the radio frequency cable, the coaxial cable on the bottom surface of the cavity and the coaxial cable below the top surface of the cavity; the other row of multimode fiber optic cables are adjacent to the coaxial cables on the bottom surface of the cavity and the coaxial cables below the top surface of the cavity; the single-mode optical fiber cable is adjacent to the communication cable, adjacent to the coaxial cable on the bottom surface of the cavity and adjacent to the coaxial cable under the top surface of the cavity; coaxial cable adjacent power and communication cables; the diameters of the power cable, the communication cable, the radio frequency cable, the multimode optical fiber cable or the single-mode optical fiber cable and the coaxial cable are sequentially decreased progressively; the multimode fiber optic cable and the single mode fiber optic cable are of equal diameter.
The power cable and the communication cable with large diameters are arranged at two ends, so that the rigidity and the strength of the end parts can be ensured, the radio frequency cable and the coaxial cable on the bottom surface of the cavity and the coaxial cable on the top surface of the cavity can enclose the multimode optical fiber cable and the single-mode optical fiber cable in the middle, the multimode optical fiber cable and the single-mode optical fiber cable are protected, the influence of stress action is reduced, and the optical fiber failure is avoided. The multimode optical fiber cables are arranged at intervals, and sufficient space can be provided at the intervals, so that the multimode optical fiber cables can slide in the cavity, and free displacement is generated at the middle position to a certain extent, thereby avoiding the failure of the optical fibers in the optical cables due to direct stress;
as a further improvement of the photoelectric integrated cable network component for the aircraft engine control system, the cavity comprises a rectangular cross-section cavity at the end part and a long-strip-shaped cross-section cavity at the body part; the height of the cavity with the elongated cross section is greater than that of the cavity with the rectangular cross section, and the power cable is arranged in the cavity with the rectangular cross section and supports the cavity with the rectangular cross section; the multimode fiber optic cable, the coaxial cable, the communication cable, the radio frequency cable and the single mode fiber optic cable are arranged in the elongated cross-section cavity and support the elongated cross-section cavity.
The power cable that the diameter is big can prop up the rectangular cross section cavity, rectangular shape cross section cavity height is greater than the rectangular cross section cavity, rectangular cross section cavity exterior structure layer can be for power cable with sufficient protection thickness, reduce and warp, the influence of atress, rectangular shape cross section cavity is by multimode fiber optic cable, coaxial cable, communication cable, radio frequency cable and single mode fiber optic cable prop up, easily take place the displacement when atress between a plurality of cables and optical cable, can reduce the atress influence, rectangular shape cross section cavity exterior structure layer thickness is less, be favorable to taking place to warp, further make its inside cable and optical cable can produce the displacement of certain degree more loosely than can be lighter.
As a further improvement of the photoelectric integrated cable network component for the aircraft engine control system, when a power cable, a coaxial cable, a communication cable, a radio frequency cable and a single-mode optical fiber cable are adjacent, the power cable, the coaxial cable, the communication cable, the radio frequency cable and the single-mode optical fiber cable are mutually and tightly connected in the radial direction, and the single-mode optical fiber cable is a multimode optical fiber cable; the single-mode optical fiber cable is surrounded by a power cable, a coaxial cable, a communication cable and a radio frequency cable which form a circle, and the multimode optical fiber cable and the single-mode optical fiber cable are in sliding connection with other optical cables and cables.
Adjacent cables or optical cables are tangent, closely attached and connected together, displacement can be integrally generated, after displacement is generated, relative displacement between the connected optical cables or optical cables is small, influence on the integrity is small, cable or optical cable staggered faults are avoided, in addition, the maximum displacement between the optical cables or optical cables is limited, free displacement is controllable, fault conditions can be avoided, the multimode optical fiber cable and the single-mode optical fiber cable are not limited, free displacement can be achieved in a cavity, and failure caused by stress can be avoided to the maximum extent.
The photoelectric integrated cable network component for the aircraft engine control system is further improved, wherein when a power cable, a coaxial cable, a communication cable and a radio frequency cable are adjacent, aramid filaments are connected together, multimode optical fiber cables are connected in rows by using the aramid filaments, and single-mode optical fiber cables are connected in rows by using the aramid filaments; between the power cables in the same row; between coaxial cables in the same row; communication cables in the same row; the radio frequency cables in the same row are all connected by aramid fibers.
Aramid fiber, a novel high-tech synthetic fiber, the super high strength has, high modulus and high temperature resistant, acid and alkali resistant, good performance such as light in weight, its intensity is 5 ~ 6 times of steel wire, the modulus is 2 ~ 3 times of steel wire or glass fiber, toughness is 2 times of steel wire, and weight is only about 1/5 of steel wire, under 560 degrees of temperature, do not decompose, do not melt the weight that can alleviate the cable, can be crooked, insulating nature is very good, can also the ageing resistance, connect by aramid fiber, existing free displacement who does benefit to production certain degree, can restrict the free displacement of certain degree again.
As a further improvement of the photoelectric integrated cable network component for the aircraft engine control system, the outer sheath is encapsulated and vulcanized by anticorrosive glue.
After the outer sheath is filled, sealed and vulcanized by the anticorrosive glue, the outer sheath has the outstanding advantages of high and low temperature resistance, flame retardance, good insulating property, good sealing property and the like.
The manufacturing method of the photoelectric integrated cable network component for the aircraft engine control system specifically comprises the following steps:
s1: connecting a plurality of rows of cables and optical cables by aramid filaments by using a mechanical band weaving or hand weaving process, integrating the plurality of rows of cables and optical cables into a photoelectric cable assembly, and fixing the plurality of rows of cables and optical cables by using the mechanical band weaving or hand weaving process band weaving aramid filaments;
the aramid fiber wires are adopted for connection and the woven belts are fixed, so that the production of free displacement to a certain degree is facilitated, and the free displacement to a certain degree can be limited. The optical fiber in the optical cable is prevented from being directly stressed to lose effectiveness, and the optical fiber is not scattered and distributed due to overlarge displacement and is easy to break down;
s2: forming a layer of PI composite film on the integrated and fixed optical cable assembly in the S1 for wrapping; the PI composite film (polyimide film) has excellent high and low temperature resistance, electrical insulation, adhesion, radiation resistance and medium resistance;
s3: wrapping a layer of carbon fiber metalized nickel plating shielding net on the basis of the PI composite film;
the carbon fiber metalized nickel-plating shielding net can shield electromagnetic waves, and the metal net with the proper mesh size is designed, so that materials can be saved to the maximum extent and the cost can be reduced under the condition that the shielding index requirement is met.
S4: wrapping a layer of aramid fiber flame-retardant fiber cloth cover on the basis of the carbon fiber metalized nickel-plated shielding net;
the aramid fiber flame-retardant fiber cloth cover is high-temperature resistant, corrosion-resistant, high in strength, stable in chemical performance and ablation-resistant, and the carbon fiber metalized nickel-plating shielding net is arranged between the aramid fiber flame-retardant fiber cloth cover and the PI composite film, so that the carbon fiber metalized nickel-plating shielding net can be prevented from transferring heat and burning through the PI composite film.
S5: an outer sheath is wrapped on the basis of the aramid fiber flame-retardant fiber cloth cover.
The outer sheath protects the internal structural layer, the cables and the optical cable.
As a further improvement of the manufacturing method of the present invention, the multi-row cables and optical cables include a whole row of power cables, a whole row of multimode optical fiber cables, a whole row of coaxial cables, a whole row of communication cables, a whole row of radio frequency cables, a whole row of single mode optical fiber cables; the whole row of multimode optical fiber cables is divided into two rows; the whole row of coaxial cables is also divided into two rows, and the diameters of the power cables, the communication cables, the radio frequency cables, the multimode optical fiber cables or the single mode optical fiber cables and the coaxial cables are sequentially reduced; the multimode optical fiber cable and the single-mode optical fiber cable have the same diameter, and the specific arrangement method comprises the following steps:
1) designing the size of the occupied cavity, arranging the whole row of power cables and the whole row of communication cables at two end parts, and taking temporary anti-slip fastening measures;
the whole size is defined firstly, then temporary anti-slip fastening measures are taken, the size precision can be improved, cables or optical cables are arranged in a fixed size, and standardized manufacturing is facilitated.
2) Arranging a whole row of radio frequency cables positioned on a base layer between the power cables and the communication cables, wherein the radio frequency cables are adjacent to the power cables, and the radio frequency cables are connected with the power cables through aramid fibers;
arrange the basic unit earlier to two dual-purpose aramid fiber silk rigid couplings are in the same place one by one, can guarantee to produce free displacement of certain degree when the atress slides, can restrict maximum displacement again, can also reduce the relative displacement when sliding between radio frequency cable and power cable.
3) Arranging a whole row of coaxial cables positioned on a base layer between the radio frequency cable and the communication cable, wherein the coaxial cables are adjacent to the radio frequency cable and the communication cable, the radio frequency cable and the coaxial cables are connected together by aramid fibers, and the coaxial cables and the communication cable are connected together by the aramid fibers;
the aramid fiber silk connection can reduce relative displacement between the radio frequency cable and the coaxial cable on the basic layer, and between the coaxial cable and the communication cable.
4) Arranging a row of multimode optical fiber cables positioned in the middle layer on the radio frequency cable and the coaxial cable, wherein the multimode optical fiber cables are spaced from the power cable; adjacent to the radio frequency cable and the coaxial cable.
The multimode optical fiber cables arranged at intervals can have enough space free displacement in the middle layer, and the optical fibers can be prevented from losing efficacy due to stress.
5) Another row of multimode fiber optic cables 2 positioned on the intermediate layer are arranged between the multimode fiber optic cables and the communication cable; the two rows of multimode fiber optic cables are spaced apart, and the other row of multimode fiber optic cables is adjacent to the coaxial cable on the base layer.
Two rows of multimode fiber optic cable intermediate layers arranged at intervals can have enough space free displacement, and the optical fibers can be prevented from being stressed and losing efficacy.
6) And arranging a single-mode optical fiber cable between the other row of multimode optical fiber cables and the communication cable, wherein the single-mode optical fiber cable is adjacent to the communication cable at intervals with the other row of multimode optical fiber cables, and the single-mode optical fiber cable is adjacent to the coaxial cable on the base layer.
The single-mode optical fiber cables arranged at intervals have enough free space displacement, and the failure of the optical fibers due to stress can be avoided.
7) The optical fiber cable, the single-mode optical fiber cable and the communication cable are provided with another long row of coaxial cables which are arranged on the upper layer, the coaxial cables which are arranged on the upper layer are adjacent to the power cable and connected together through aramid fibers, the coaxial cables which are arranged on the upper layer are adjacent to the multi-mode optical fiber cable, the coaxial cables which are arranged on the upper layer are adjacent to another row of multi-mode optical fiber cable, the coaxial cables which are arranged on the upper layer are adjacent to the single-mode optical fiber cable, and the coaxial cables which are arranged on the upper layer are adjacent to the communication cable and connected together through the aramid fibers.
Aramid fiber silk connection can reduce coaxial cable and the power cable who is located the upper strata, the relative displacement between coaxial cable and the communication cable who is located the upper strata, coaxial cable and the multimode fiber optic cable who is located the upper strata, coaxial cable and the single mode fiber optic cable who is located the upper strata, not the rigid coupling together, can not restrict the displacement each other, multimode fiber optic cable, single mode fiber optic cable can slide after the atress in the cavity in intermediate level, avoid dragging, the extrusion makes optic fibre inefficacy.
8) Before the ribbon is fixed by the ribbon loom, the temporary anti-slip fastening measures are removed. The ribbon laminating of being convenient for is fixed, prevents that antiskid from shifting to fasten measures and keep, influences free displacement.
As a further improvement of the manufacturing method of the present invention, in the method of forming a PI composite film for wrapping in S2; the cavity with the rectangular cross section is formed by supporting a power cable and a cavity with a long strip cross section by supporting a multimode optical fiber cable, a coaxial cable, a communication cable, a radio frequency cable and a single mode optical fiber cable, and the cavity with the rectangular cross section is communicated with the cavity with the long strip cross section to form the cavity.
The power cable that the diameter is big can prop up the rectangular cross section cavity, rectangular shape cross section cavity height is greater than the rectangular cross section cavity, rectangular cross section cavity exterior structure layer can be for power cable with sufficient protection thickness, reduce and warp, the influence of atress, rectangular shape cross section cavity is by multimode fiber optic cable, coaxial cable, communication cable, radio frequency cable and single mode fiber optic cable prop up, easily take place the displacement when atress between a plurality of cables and optical cable, can reduce the atress influence, rectangular shape cross section cavity exterior structure layer thickness is less, be favorable to taking place to warp, further make its inside cable and optical cable can produce the displacement of certain degree more loosely than can be lighter.
As a further improvement of the manufacturing method, the outer sheath is encapsulated and vulcanized by anticorrosive glue; the photoelectric integrated cable network component is provided with a connector, and waterproof and anticorrosive insulating sealant is adopted among welding spots inside the connector for encapsulation and vulcanization; the photoelectric integrated cable network component is provided with a connector tail cover, and the connector tail cover is encapsulated and vulcanized by waterproof and anticorrosive vulcanized rubber.
The application of the encapsulation vulcanized rubber, the waterproof and anticorrosive insulation sealant and the waterproof and anticorrosive vulcanized rubber ensures that the fault phenomena of spontaneous combustion, welding spot falling, short circuit between point positions and the like caused by high temperature and high humidity in the launching and flying process are avoided.
Through weaving fixedly to inside cable and optic fibre cable mechanized area, optic fibre cable, semi-fixed wiring in the cavity of cable network inside, the embedment vulcanization of sheath glue, waterproof anticorrosive insulating sealant potting vulcanization between the inside solder joint of connector, important measures such as waterproof anticorrosive vulcanized glue embedment vulcanization of connector tail shroud, make the emergence of quality accidents such as photoelectricity current collection cable net subassembly product can not be because of high temperature, high frequency vibration, outside tensile or extrusion cause the optic fibre impaired, the solder joint drops, short circuit between the point location, reliability and the guarantee of aerospace with the integrated cable net subassembly of photoelectricity have been promoted from each link.
Drawings
Fig. 1 is a schematic structural diagram of the embodiment.
Reference numerals: 1. a power cable; 2. a multimode fiber optic cable; 3. a coaxial cable; 4. a communication cable; 5. a radio frequency cable; 6. a single mode fiber optic cable; 7. a sheath; 8. aramid fiber flame-retardant fiber cloth covers; 9. a carbon fiber metalized nickel plating shielding net; 10. a cavity; 11. a rectangular cross-section cavity; 12. a cavity with a long strip-shaped section; 13. PI composite membrane.
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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Fig. 1 shows a photoelectric integrated cable network assembly for an aircraft engine control system, comprising an outer sheath 7 located at the outermost layer; the flame-retardant aramid fiber cloth cover is characterized by also comprising a layer of aramid fiber flame-retardant fiber cloth cover 8 wrapped by an outer sheath 7; a layer of carbon fiber metalized nickel plating shielding net 9 wrapped by an aramid fiber flame-retardant fiber cloth sleeve 8; the PI composite film comprises a PI composite film 13 wrapped by a carbon fiber metalized nickel-plated shielding net 9, a cavity 10 is formed in the PI composite film 13, a plurality of optical cables and cables are arranged in the cavity 10, and the PI composite film 13 is supported by the optical cables and the cables.
The aramid fiber flame-retardant fiber cloth cover 8 is a permanent flame-retardant fiber and has the advantages of heat resistance, high strength, high wear resistance, good flexibility, low shrinkage, stable chemical structure, no molten drop during combustion, no toxic gas generation and the like; the carbon fiber metalized nickel plating shielding net 9 has a series of excellent performances such as high specific strength, high specific modulus, high temperature resistance, corrosion resistance, fatigue resistance, creep resistance, electric conduction, heat transfer, small thermal expansion coefficient and the like, carbon fibers are used as a reinforcing material, a carbon fiber reinforced metal matrix composite prepared by using metal as a matrix has higher specific strength and specific modulus than a metal material, higher toughness and impact resistance than ceramic and high temperature resistance, and can shield electromagnetic waves; in the outdoor application, can reduce weight, be convenient for remove, it is less to receive the wind load moreover, difficult deformation. The metal nickel has strong passivation capability, a layer of extremely thin passivation film can be rapidly generated on the surface, the corrosion of atmosphere, alkali and certain acid can be resisted, the corrosion of metal fibers can be prevented, and the metal fibers can resist bending and have good toughness; the conductive material has good conductivity, and can prevent static electricity and electromagnetic radiation and conduct electricity and transmit electric signals; the PI composite film 13 (polyimide film) has excellent high and low temperature resistance, electrical insulation, adhesion, radiation resistance and medium resistance;
the carbon fiber metalized nickel plating shielding net 9 is arranged between the aramid fiber flame-retardant fiber cloth cover 8 and the PI composite film 13, so that the PI composite film 13 can be prevented from being burnt through by the heat transferred by the carbon fiber metalized nickel plating shielding net 9. The aramid fiber flame-retardant fiber cloth cover 8 completely wraps the carbon fiber metalized nickel plating shielding net 9, so that the heat transfer is reduced, the insulation effect of the PI composite film 13 is prolonged, and the stability of the insulation effect is improved.
In this embodiment, the optical cable and the electric cable include: a row of power cables 1 and a row of communication cables 4 located at both ends of the cavity 10; a row of radio frequency cables 5 are sequentially arranged on the bottom surface of the cavity 10 between the power cable 1 and the communication cable 4; a row of coaxial cables 3; the radio frequency cable 5 is adjacent to the power cable 1 and the coaxial cable 3, the coaxial cable 3 is adjacent to the communication cable 4, and two rows of multimode optical fiber cables 2 and one row of single-mode optical fiber cables 6 which are spaced are distributed on the radio frequency cable 5 and the coaxial cable 3; the multimode optical fiber cable 2 and the single-mode optical fiber cable 6 are provided with another row of coaxial cables 3 on the top surface of the supporting cavity 10; a row of multimode fiber optic cables 2 are spaced from the power cable 1 and adjacent to the radio frequency cable 5, the coaxial cable 3 on the bottom surface of the cavity 10 and the coaxial cable 3 under the top surface of the cavity 10; the other row of multimode fiber optic cables 2 is adjacent to the coaxial cables 3 on the bottom surface of the cavity 10 and the coaxial cables 3 below the top surface of the cavity 10; the single mode fiber optic cable 6 is adjacent to the communication cable 4, adjacent to the coaxial cable 3 on the bottom surface of the cavity 10 and adjacent to the coaxial cable 3 under the top surface of the cavity 10; the coaxial cable 3 is adjacent to the power cable 1 and the communication cable 4; the cable comprises a power cable 1, a communication cable 4, a radio frequency cable 5, a multimode optical fiber cable 2 or a single-mode optical fiber cable 6 and a coaxial cable 3, wherein the diameters of the power cable, the communication cable, the radio frequency cable and the single-mode optical fiber cable are sequentially decreased; the multimode fiber optic cable 2 and the single mode fiber optic cable 6 are of equal diameter.
The power cable 1 and the communication cable 4 with large diameters are arranged at two ends, so that the rigidity and the strength of the end parts can be ensured, the radio frequency cable 5 and the coaxial cable 3 on the bottom surface of the cavity 10 and the coaxial cable 3 on the top surface of the cavity can enclose the multimode optical fiber cable 2 and the single-mode optical fiber cable 6 in the middle, the multimode optical fiber cable 2 and the single-mode optical fiber cable 6 are protected, the influence of stress is reduced, and the optical fiber failure is avoided. The multimode optical fiber cables 2 are arranged at intervals, and enough space can be provided at the intervals, so that the multimode optical fiber cables can slide in the cavity, and free displacement is generated at the middle position to a certain extent, thereby avoiding the failure of the optical fibers in the optical cables due to direct stress;
in the present embodiment, the cavity 10 includes a rectangular cross-section cavity 11 at the end and an elongated cross-section cavity 12 at the body; the height of the cavity 12 with the elongated cross section is larger than that of the cavity 11 with the rectangular cross section, and the power cable 1 is arranged in the cavity 11 with the rectangular cross section and supports the cavity 11 with the rectangular cross section; the multimode optical fiber cable 2, the coaxial cable 3, the communication cable 4, the radio frequency cable 5 and the single mode optical fiber cable 6 are arranged in the elongated cross-section cavity 12 and support the elongated cross-section cavity 12.
The power cable 1 that the diameter is big can prop up rectangular cross section cavity 11, rectangular shape cross section cavity 12 highly is greater than rectangular cross section cavity 11, rectangular cross section cavity 11 exterior structure layer can give power cable 1 with sufficient protection thickness, reduce the deformation, the influence of atress, rectangular shape cross section cavity 12 is by multimode fiber optic cable 2, coaxial cable 3, communication cable 4, radio frequency cable 5 and single mode fiber optic cable 6 prop up, easily take place the displacement when atress between a plurality of cables and optical cable, can reduce the atress influence, rectangular shape cross section cavity 12 exterior structure layer thickness is less, be favorable to taking place the deformation, further make its inside cable and optical cable can produce the displacement of certain degree more loosely.
In the embodiment, when the power cable 1, the coaxial cable 3, the communication cable 4 and the radio frequency cable 5 are adjacent, they are tightly connected with each other in the radial direction, and the multimode optical fiber cable 2; the single-mode optical fiber cable 6 is surrounded by a power cable 1, a coaxial cable 3, a communication cable 4 and a radio frequency cable 5 which form a circle; the multimode optical fiber cable 2 and the single-mode optical fiber cable 6 are in sliding connection with other optical cables and cables.
Adjacent cables or optical cables are tangent, closely attached and connected together, displacement can be integrally generated, after displacement is generated, relative displacement between the connected optical cables or optical cables is small, influence on the integrity is small, cable or optical cable staggered faults are avoided, in addition, the maximum displacement between the optical cables or optical cables is limited, free displacement is controllable, fault conditions can be avoided, the multimode optical fiber cable and the single-mode optical fiber cable are not limited, free displacement can be achieved in a cavity, and failure caused by stress can be avoided to the maximum extent.
In this embodiment, when the power cables 1, the coaxial cables 3, the communication cables 4 and the radio frequency cables 5 are adjacent, aramid fibers are connected with each other, and between the power cables 1 in the same row, between the multimode optical fiber cables 2 in the same row, between the coaxial cables 3 in the same row, between the communication cables 4 in the same row and between the radio frequency cables 5 in the same row; and the single-mode optical fiber cables 6 in the same row are all connected by aramid fibers.
Aramid fiber, a novel high-tech synthetic fiber, the super high strength has, high modulus and high temperature resistant, acid and alkali resistant, good performance such as light in weight, its intensity is 5 ~ 6 times of steel wire, the modulus is 2 ~ 3 times of steel wire or glass fiber, toughness is 2 times of steel wire, and weight is only about 1/5 of steel wire, under 560 degrees of temperature, do not decompose, do not melt the weight that can alleviate the cable, can be crooked, insulating nature is very good, can also the ageing resistance, connect by aramid fiber, be favorable to producing the free displacement of certain degree promptly, can restrict the free displacement of certain degree again.
In this embodiment, the outer sheath 7 is vulcanized by potting with an anti-corrosive glue.
After the filling and the sealing of the anti-corrosive glue are vulcanized, the outer sheath 7 has the outstanding advantages of high and low temperature resistance, flame retardance, good insulating property, good sealing property and the like.
Example 2
The invention also adopts a manufacturing method of the photoelectric integrated cable network component for the aircraft engine control system, which specifically comprises the following steps:
s1: connecting a plurality of rows of cables and optical cables by aramid filaments by using a mechanical band weaving or hand weaving process, integrating the plurality of rows of cables and optical cables into a photoelectric cable assembly, and fixing the plurality of rows of cables and optical cables by using the mechanical band weaving or hand weaving process band weaving aramid filaments;
the aramid fiber wires are adopted for connection and the woven belts are fixed, so that the production of free displacement to a certain degree is facilitated, and the free displacement to a certain degree can be limited. The failure caused by direct stress of the optical fiber in the optical cable is avoided;
s2: forming a layer of PI composite film 13 on the integrated and fixed optical cable assembly in the S1 for wrapping;
the PI composite film 13 (polyimide film) has excellent high and low temperature resistance, electrical insulation, adhesion, radiation resistance and medium resistance;
s3: a layer of carbon fiber metalized nickel plating shielding net 9 is wrapped on the basis of the PI composite film 13;
the carbon fiber metalized nickel-plating shielding net 9 can shield electromagnetic waves, and the metal net with proper mesh size is designed, so that materials can be saved to the maximum extent and the cost can be reduced under the condition of meeting the shielding index requirement.
S4: a layer of aramid fiber flame-retardant fiber cloth cover 8 is wrapped on the basis of the carbon fiber metalized nickel-plated shielding net 9;
the aramid fiber flame-retardant fiber cloth cover 8 is high-temperature resistant, corrosion-resistant, high in strength, stable in chemical performance and ablation-resistant, and the carbon fiber metalized nickel plating shielding net 9 is arranged between the aramid fiber flame-retardant fiber cloth cover 8 and the PI composite film 13, so that the heat transfer of the carbon fiber metalized nickel plating shielding net can be prevented, and the PI composite film is burnt through.
S5: an outer sheath 7 is wrapped on the basis of the aramid fiber flame-retardant fiber cloth cover 8. The outer sheath 7 protects the internal structural layers and the cables and cables.
In the present embodiment, the multi-row cables and cables include a whole row of power cables 1, a whole row of multimode fiber optic cables 2, a whole row of coaxial cables 3, a whole row of communication cables 4, a whole row of radio frequency cables 5, and a whole row of single mode fiber optic cables 6; the whole row of multimode optical fiber cables 2 is divided into two rows; the whole row of coaxial cables 3 are also two rows, and the diameters of the power cables 1, the communication cables 4, the radio frequency cables 5, the multimode optical fiber cables 2 or the single-mode optical fiber cables 6 and the coaxial cables 3 are sequentially decreased progressively; the multimode optical fiber cable 2 and the single-mode optical fiber cable 6 have the same diameter, and the specific arrangement method comprises the following steps:
1) designing the size of the occupied cavity 10, arranging the whole row of power cables 1 and the whole row of communication cables 4 at two end parts, and taking temporary anti-slip fastening measures;
the whole size is defined firstly, then temporary anti-slip fastening measures are taken, the size precision can be improved, cables or optical cables are arranged in a fixed size, and standardized manufacturing is facilitated.
2) Arranging a whole row of radio frequency cables 5 positioned on a base layer between the power cable 1 and the communication cable 4, wherein the radio frequency cables 5 are adjacent to the power cable 1, and the aramid fibers are used for connecting the radio frequency cables 5 with the power cable 1;
arrange the basic unit earlier to two dual-purpose aramid fiber silk rigid couplings are in the same place one by one, can guarantee to produce the free displacement of certain degree when the atress slides, can restrict maximum displacement again, can also reduce the relative displacement when sliding between radio frequency cable 5 and power cable 1.
3) Arranging the coaxial cables 3 positioned in the whole row of the base layer between the radio frequency cable 5 and the communication cable 4, wherein the coaxial cables 3 are adjacent to the radio frequency cable 5 and the communication cable 4, connecting the radio frequency cable 5 and the coaxial cables 3 together by aramid fibers, and connecting the coaxial cables 3 and the communication cable 4 together by the aramid fibers;
the aramid fiber silk connection can reduce relative displacement between the radio frequency cable 5 and the coaxial cable 3 on the basic unit, and between the coaxial cable 3 and the communication cable 4.
4) A row of multimode optical fiber cables 2 positioned in the middle layer are arranged on the radio frequency cable 5 and the coaxial cable 3, and the multimode optical fiber cables 2 are spaced from the power cable 1; adjacent to the radio frequency cable 5 and the coaxial cable 3.
The multimode optical fiber cables arranged at intervals can have enough space free displacement in the middle layer, and the optical fibers can be prevented from losing efficacy due to stress.
5) Another row of multimode fiber optic cables 2 positioned on the intermediate layer are arranged between the multimode fiber optic cables 2 and the communication cable 4; the two rows of multimode fiber optic cables 2 are spaced, and the other row of multimode fiber optic cables 2 is adjacent to the coaxial cable 3 on the base layer;
two rows of multimode fiber optic cable intermediate layers arranged at intervals can have enough space free displacement, and the optical fibers can be prevented from being stressed and losing efficacy.
6) Arranging a single-mode optical fiber cable 6 between the other row of multimode optical fiber cables 2 and the communication cable 4, wherein the single-mode optical fiber cable 6 is spaced from the other row of multimode optical fiber cables 2, the single-mode optical fiber cable 6 is adjacent to the communication cable 4, and the single-mode optical fiber cable 6 is adjacent to the coaxial cable 3 on the base layer;
the single-mode optical fiber cables arranged at intervals have enough free space displacement, and the failure of the optical fibers due to stress can be avoided. 7) Another long row of coaxial cables 3 on the upper layer are arranged on the optical fiber cable 2, the single-mode optical fiber cable 6 and the communication cable 4, the coaxial cables 3 on the upper layer are adjacent to the power cable 1 and connected together by aramid filaments, the coaxial cables 3 on the upper layer are adjacent to the multimode optical fiber cable 2, the coaxial cables 3 on the upper layer are adjacent to another row of multimode optical fiber cables 2, the coaxial cables 3 on the upper layer are adjacent to the single-mode optical fiber cable 6, and the coaxial cables 3 on the upper layer are adjacent to the communication cable 4 and connected together by aramid filaments.
Aramid fiber silk connection can reduce coaxial cable 3 and power cable 1 that are located the upper strata, the relative displacement between coaxial cable 3 and the communication cable 4 that are located the upper strata, coaxial cable and the multimode fiber optic cable that are located the upper strata, coaxial cable and the single mode fiber optic cable that are located the upper strata, and not the rigid coupling is in the same place, can not restrict the displacement each other, multimode fiber optic cable, single mode fiber optic cable is in the cavity in intermediate level, can slide after the atress, avoid dragging, the extrusion makes optic fibre inefficacy.
8) Before the ribbon is fixed by the ribbon loom, the temporary anti-slip fastening measures are removed. The ribbon laminating of being convenient for is fixed, prevents that antiskid from shifting to fasten measures and keep, influences free displacement.
In the present embodiment, in the method of forming a coating by forming a layer of the PI composite film 13 in S2; specifically, a rectangular cross-section cavity 11 supported by the power cable 1 and a strip-shaped cross-section cavity 12 supported by the multimode optical fiber cable 2, the coaxial cable 3, the communication cable 4, the radio frequency cable 5 and the single-mode optical fiber cable 6 are formed, and the rectangular cross-section cavity 11 and the strip-shaped cross-section cavity 12 are communicated to form a cavity 10.
The power cable 1 that the diameter is big can prop up rectangular cross section cavity 11, rectangular shape cross section cavity 12 highly is greater than rectangular cross section cavity 11, rectangular cross section cavity 11 exterior structure layer can give power cable 1 with sufficient protection thickness, reduce the deformation, the influence of atress, rectangular shape cross section cavity 12 is by multimode fiber optic cable 2, coaxial cable 3, communication cable 4, radio frequency cable 5 and single mode fiber optic cable 6 prop up, easily take place the displacement when atress between a plurality of cables and optical cable, can reduce the atress influence, rectangular shape cross section cavity 12 exterior structure layer thickness is less, be favorable to taking place the deformation, further make its inside cable and optical cable can produce the displacement of certain degree more loosely.
In the embodiment, the outer sheath 7 is encapsulated and vulcanized by an anticorrosive adhesive; the photoelectric integrated cable network component is provided with a connector, and waterproof and anticorrosive insulating sealant is adopted among welding spots inside the connector for encapsulation and vulcanization; the photoelectric integrated cable network component is provided with a connector tail cover, and the connector tail cover is encapsulated and vulcanized by waterproof and anticorrosive vulcanized rubber.
The application of the encapsulation vulcanized rubber, the waterproof and anticorrosive insulation sealant and the waterproof and anticorrosive vulcanized rubber ensures that the fault phenomena of spontaneous combustion, welding spot falling, short circuit between point positions and the like caused by high temperature and high humidity in the launching and flying process are avoided.
Example 3
Fig. 1 shows a photoelectric integrated cable network assembly for an aircraft engine control system, which includes an outer sheath 7 located on the outermost layer, the outer sheath 7 has a rectangular cross section, and is a pouring sealant sheath, and is wrapped with an aramid fiber flame-retardant fiber cloth cover 8, the aramid fiber flame-retardant fiber cloth cover 8 is wrapped with a carbon fiber metalized nickel-plating shielding net 9, the carbon fiber metalized nickel-plating shielding net 9 is wrapped with a PI composite film 13 (polyimide film ), and a power cable 1 and a multimode optical fiber cable 2 are arranged in the PI composite film; a coaxial cable 3; a communication cable 4; a radio frequency cable 5; a single mode fiber optic cable 6; the power cables 1 are 4, arranged on the left side,
the cavity 10 comprises a rectangular section cavity 11 at the end part and a variable section bar-shaped cavity 12 connected with the rectangular section cavity 11, wherein 4 power cables 1 are placed in the rectangular section cavity 11, one power cable 1 close to the variable section bar-shaped cavity 12 is provided, the upper side of the power cable 1 is close to one row of coaxial cables 3, the row of coaxial cables 3 are positioned on the uppermost layer and extend to the right end of the variable section bar-shaped cavity 12, the lower side of the power cable 1 is close to two radio frequency cables 5 which are arranged side by side, the radio frequency cables 5 are positioned on the bottom layer, one side of the radio frequency cable 5, far away from the power cable 1, is close to the other row of coaxial cables 3, the row of coaxial cables 3 are positioned on the bottommost layer and extend to a row of 4 communication cables 4 placed at the right end of the; between the coaxial cable 3 of the uppermost row and the coaxial cable 3 of the lowermost row and between the power cable 1 and the communication cable 4, two rows of 4 multimode optical fiber cables 2 and one row of 4 single mode optical fiber cables 6 close to the power cable 1 are placed, the two rows of multimode optical fiber cables 2 and the single mode optical fiber cables 6 are spaced from each other, the multimode optical fiber cables 2 close to the power cable 1 are spaced from the power cable 1, and the single mode optical fiber cables 6 are adjacent to the communication cable 4.
The system comprises a power cable 1, a multimode optical fiber cable 2, a coaxial cable 3, a communication cable 4, a radio frequency cable 5 and a single mode optical fiber cable 6; the internal conductors of each cable and optical cable are fixed by mechanical tape weaving. Semi-fixed wiring, optical fiber cables and semi-fixed wiring in the cavity inside the cable network are adopted among the optical cables and the cables in the cavity 10, each layer is mechanically and radially fixed by adopting a belt loom, and high integration of multiple layers and any size can be realized according to the quantity requirement of terminal wire cores.
The band weaving fixing process enables the connection between the leads to be firmer and the leads cannot be loosened due to high-frequency vibration in the launching process;
the semi-fixed wiring process in the cavity 10 effectively avoids the failure of optical fibers caused by the difference of the elongation rates of the optical fibers of the optical cables and the conducting wires under the action of external forces in different directions of the cable network;
by adopting the tape weaving equipment, the leads are radially and tightly connected with each other, so that a highly concentrated flat photoelectric integrated network component can be realized, the widest width can reach 1200mm, the thinnest thickness can be controlled within 4mm, and the structure is compact;
the cavity 10 only performs wiring of optical fibers of the optical cable and performs nonlinear semi-fixation on the optical fibers, so that the moving space of the optical fibers of the optical cable is greatly increased, the optical fibers of the optical cable can realize free displacement to a certain degree in any direction, and the optical fibers in the optical cable are prevented from being directly stressed to fail;
the inner conducting wire layers are connected with the two sides of each layer through aramid fibers, so that conducting wires between the layers are integrated into a whole.
The cavity design is carried out between the conductor layer and the layer, the optical cable fiber is arranged in the cavity and adopts semi-fixed wiring, and under the action of radial and axial external force, the optical cable fiber can automatically displace, so that the failure of the optical fiber caused by the difference of the elongation rates of the optical cable fiber and the conductor when the optical cable fiber is stretched or extruded from the outside is avoided.
The photoelectric integrated cable network sheath part adopts the anticorrosive glue to carry out encapsulation vulcanization, and compared with the traditional extrusion molding or injection molding material, the photoelectric integrated cable network sheath has outstanding high and low temperature resistance. The indexes are as follows:
Figure GDA0003007326730000131
waterproof and anticorrosive insulating sealant is adopted between welding spots inside the photoelectric integrated cable network component connector for encapsulation and vulcanization, and the indexes are as follows:
Figure GDA0003007326730000132
Figure GDA0003007326730000141
the photoelectric integrated cable network component connector tail cover adopts waterproof and anticorrosive vulcanized rubber for encapsulation and vulcanization, and the indexes are as follows:
Figure GDA0003007326730000142
Figure GDA0003007326730000151
through weaving fixedly to the mechanized area of inside wire, semi-fixed wiring in the fiber cavity, the embedment vulcanization of sheath glue, waterproof anticorrosive insulating sealant encapsulating vulcanization between the inside solder joint of connector, waterproof anticorrosive vulcanized rubber encapsulating vulcanization of connector tail shroud, make the emergence of quality accidents such as optic fibre impaired, the solder joint drops, short circuit between the point location can not be caused because of high temperature, high frequency vibration, outside tensile or extrusion to the photoelectricity current collection cable network subassembly product, reliability and the guarantee nature of aerospace with the integrated cable network subassembly of photoelectricity have been promoted from each link.
The invention adopts the mechanical tape weaving fixation of an internal lead, semi-fixed wiring in an optical fiber cavity, encapsulation and vulcanization of sheath glue, the encapsulation and vulcanization of waterproof and anticorrosive insulating sealant between welding spots in a connector, the encapsulation and vulcanization of a connector tail cover and waterproof and anticorrosive vulcanized glue.
The band weaving fixing process enables the connection between the leads to be firmer and the leads cannot be loosened due to high-frequency vibration in the launching process; the semi-fixed wiring process in the optical fiber cable cavity effectively avoids the failure of optical fibers caused by the difference of the elongation rates of optical fibers of the optical cable and wires under the action of external forces in different directions of a cable network;
the application of the encapsulation vulcanized rubber, the waterproof and anticorrosive insulation sealant and the waterproof and anticorrosive vulcanized rubber ensures that the fault phenomena of spontaneous combustion, welding spot falling, short circuit between point positions and the like caused by high temperature and high humidity in the launching and flying process are avoided.
By adopting the tape weaving equipment, the leads are radially and tightly connected with each other, so that a highly concentrated flat photoelectric integrated network component can be realized, the widest width can reach 1200mm, the thinnest thickness can be controlled within 4mm, and the structure is compact;
the middle cavity only carries out the wiring of the optical cable and the nonlinear semi-fixation of the optical cable, thereby greatly increasing the moving space of the optical cable, realizing the free displacement of the optical cable in any direction to a certain extent and avoiding the failure of the optical cable caused by the direct stress of the optical fiber;
the three encapsulation vulcanized rubbers have the outstanding advantages of high and low temperature resistance, flame retardance, good insulating property, good sealing property, high vulcanization speed, later maintenance and the like.
Through experimental comparison, the performance comparison in the aspect of the environmental adaptability of the photoelectric integrated cable network component and the traditional photoelectric integrated cable network component is as follows:
environmental suitability comparison of photoelectric integrated cable network component
Figure GDA0003007326730000161
Figure GDA0003007326730000171
The invention is mainly used for the photoelectric transmission of multi-stage engines and other control and signals of remote aircrafts such as rockets and the like, and the remote control function is realized by carrying out remote transmission through optical fibers.
The invention relates to a photoelectric integrated assembly which is resistant to ultrahigh temperature and high-frequency vibration and can extrude the assembly under the condition that an engine shell deforms by 1.2%, and optical fibers cannot lose efficacy, so that the problems of reliability and guarantee of a photoelectric control system in the launching process of an aircraft are solved.
The foregoing is a more detailed description of the invention in connection with specific preferred embodiments and it is not intended that the invention be limited to these specific details. For those skilled in the art to which the invention pertains, several equivalent substitutions or obvious modifications can be made without departing from the spirit of the invention, and all the properties or uses are considered to be within the scope of the invention.

Claims (6)

1. An optoelectronic integrated cable network assembly for an aircraft engine control system, comprising an outermost outer sheath (7); the flame-retardant aramid fiber cloth is characterized by also comprising a layer of aramid fiber flame-retardant fiber cloth cover (8) wrapped by the outer sheath (7); a layer of carbon fiber metalized nickel-plated shielding net (9) wrapped by the aramid fiber flame-retardant fiber cloth sleeve (8); a PI composite film (13) wrapped by the carbon fiber metalized nickel-plated shielding net (9), wherein a cavity (10) is formed in the PI composite film (13), a plurality of optical cables and electric cables are arranged in the cavity (10), and the PI composite film (13) is supported by the optical cables and the electric cables;
the optical and electrical cable includes: a row of power cables (1) and a row of communication cables (4) are positioned at two ends of the cavity (10); a row of radio frequency cables (5) are sequentially arranged between the power cable (1) and the communication cable (4) and positioned on the bottom surface of the cavity (10); a row of coaxial cables (3); the radio frequency cable (5) is adjacent to the power cable (1) and the coaxial cable (3), the coaxial cable (3) is adjacent to the communication cable (4), and two rows of multimode optical fiber cables (2) and one row of single-mode optical fiber cables (6) which are spaced are arranged on the radio frequency cable (5) and the coaxial cable (3); the multimode optical fiber cable (2) and the single-mode optical fiber cable (6) are provided with another row of coaxial cables (3) on the top surface of the supporting cavity (10); a row of multimode optical fiber cables (2) are spaced from the power cable (1) and are adjacent to the radio frequency cable (5), the coaxial cable (3) on the bottom surface of the cavity (10) and the coaxial cable (3) below the top surface of the cavity (10); the other row of multimode fiber optic cables (2) is adjacent to the coaxial cables (3) on the bottom surface of the cavity (10) and the coaxial cables (3) below the top surface of the cavity (10); the single-mode optical fiber cable (6) is adjacent to the communication cable (4), adjacent to the coaxial cable (3) on the bottom surface of the cavity (10) and adjacent to the coaxial cable (3) below the top surface of the cavity (10); the coaxial cable (3) is adjacent to the power cable (1) and the communication cable (4); the diameters of the power cable (1), the communication cable (4), the radio frequency cable (5), the multimode optical fiber cable (2) or the single-mode optical fiber cable (6) and the coaxial cable (3) are sequentially decreased in a descending manner; the multimode fiber optic cable (2) and the single mode fiber optic cable (6) are equal in diameter;
the cavity (10) comprises a rectangular section cavity (11) at the end part and a long strip section cavity (12) at the body part; the height of the cavity (12) with the long strip-shaped cross section is larger than that of the cavity (11) with the rectangular cross section, and the power cable (1) is arranged in the cavity (11) with the rectangular cross section and supports the cavity (11) with the rectangular cross section; the multimode optical fiber cable (2), the coaxial cable (3), the communication cable (4), the radio frequency cable (5) and the single mode optical fiber cable (6) are arranged in the elongated cross-section cavity (12) and support the elongated cross-section cavity (12).
2. The optoelectronic integrated cable network assembly for an aircraft engine control system according to claim 1, wherein said power cable (1), said coaxial cable (3), said communication cable (4) and said radio frequency cable (5) are radially closely connected to each other when adjacent; the multimode optical fiber cable (2) and the single-mode optical fiber cable (6) are surrounded by a power cable (1), a coaxial cable (3), a communication cable (4) and a radio frequency cable (5) which form a circle, and the multimode optical fiber cable (2) and the single-mode optical fiber cable (6) are in sliding connection with other optical cables and cables.
3. The optoelectronic integrated cable network assembly for an aircraft engine control system according to claim 2, wherein the power cable (1), the coaxial cable (3), the communication cable (4) and the radio frequency cable (5) are connected together with aramid filaments when adjacent to each other, the multimode fiber optic cable (2) is connected in rows with aramid filaments, and the single mode fiber optic cable (6) is connected in rows with aramid filaments; between the power cables (1) in the same row; between the coaxial cables (3) in the same row; between the communication cables (4) in the same row; the radio frequency cables (5) in the same row are all connected by aramid fibers.
4. The optoelectronic integrated cable assembly for an aircraft engine control system according to claim 1, wherein said outer sheath (7) is vulcanized by potting with an anti-corrosive glue.
5. The manufacturing method of the photoelectric integrated cable network component for the aircraft engine control system, which is defined by the claim 1, comprises the following steps:
s1: connecting a plurality of rows of cables and optical cables by aramid filaments by using a mechanical band weaving or hand weaving process, integrating the plurality of rows of cables and optical cables into an optical cable assembly, and fixing the optical cable assembly by using the mechanical band weaving or hand weaving process band weaving aramid filaments;
s2: forming a layer of PI composite film (13) on the integrated and fixed optical cable assembly in the S1 for wrapping;
s3: a layer of carbon fiber metalized nickel plating shielding net (9) is wrapped on the basis of the PI composite film (13);
s4: a layer of aramid fiber flame-retardant fiber cloth cover (8) is wrapped on the basis of the carbon fiber metalized nickel-plated shielding net (9);
s5: an outer sheath (7) is wrapped on the basis of the aramid fiber flame-retardant fiber cloth cover (8);
the multi-row cables and optical cables comprise a whole row of power cables (1), a whole row of multimode optical fiber optical cables (2), a whole row of coaxial cables (3), a whole row of communication cables (4), a whole row of radio frequency cables (5) and a whole row of single-mode optical fiber optical cables (6); the whole row of multimode optical fiber cables (2) is divided into two rows; the whole row of coaxial cables (3) is also divided into two rows, and the diameters of the power cable (1), the communication cable (4), the radio frequency cable (5), the multimode optical fiber cable (2) or the single-mode optical fiber cable (6) and the coaxial cables (3) are sequentially reduced; the multimode optical fiber cable (2) and the single-mode optical fiber cable (6) have the same diameter, and the specific arrangement method comprises the following steps:
1) the size of the occupied cavity (10) is designed, and then the whole row of power cables (1) and the whole row of communication cables (4) are arranged at two end parts and are used as temporary anti-slip fastening measures;
2) arranging a whole row of radio frequency cables (5) positioned on a base layer between a power cable (1) and a communication cable (4), wherein the radio frequency cables (5) are adjacent to the power cable (1), and the radio frequency cables (5) and the power cable (1) are connected together by weaving aramid fibers;
3) arranging a whole row of coaxial cables (3) positioned on a base layer between a radio frequency cable (5) and a communication cable (4), wherein the coaxial cables (3) are adjacent to the radio frequency cable (5) and the communication cable (4), the radio frequency cable (5) and the coaxial cables (3) are connected together by weaving aramid fibers, and the coaxial cables (3) and the communication cable (4) are connected together by weaving aramid fibers;
4) arranging a row of multimode fiber optic cables (2) in an intermediate layer above the radio frequency cable (5) and the coaxial cable (3), wherein the multimode fiber optic cables (2) are spaced from the power cable (1); adjacent to the radio frequency cable (5) and the coaxial cable (3);
5) arranging another row of multimode fiber optic cables (2) on an intermediate layer between the multimode fiber optic cables (2) and the communications cable (4); the two rows of multimode fiber optic cables (2) are spaced, and the other row of multimode fiber optic cables (2) is adjacent to the coaxial cable (3) on the base layer;
6) arranging a single-mode optical fiber cable (6) between the other row of multimode optical fiber cables (2) and the communication cable (4), wherein the single-mode optical fiber cable (6) is spaced from the other row of multimode optical fiber cables (2), the single-mode optical fiber cable (6) is adjacent to the communication cable (4), and the single-mode optical fiber cable (6) is adjacent to the coaxial cable (3) on the base layer;
7) another long row of coaxial cables (3) on the upper layer are arranged on the optical fiber cable (2), the single-mode optical fiber cable (6) and the communication cable (4), the coaxial cables (3) on the upper layer are adjacent to the power cable (1) and connected together by aramid filaments, the coaxial cables (3) on the upper layer are adjacent to the multimode optical fiber cable (2), the coaxial cables (3) on the upper layer are adjacent to the other row of multimode optical fiber cable (2), the coaxial cables (3) on the upper layer are adjacent to the single-mode optical fiber cable (6), and the coaxial cables (3) on the upper layer are adjacent to the communication cable (4) and connected together by aramid filaments;
8) before the ribbon is fixed by the ribbon loom, the temporary anti-slip fastening measure is removed;
wherein, in the method for forming a layer of PI composite film (13) to wrap in S2; specifically, a rectangular section cavity (11) supported by the power cable (1) and a strip-shaped section cavity (12) supported by the multimode optical fiber cable (2), the coaxial cable (3), the communication cable (4), the radio frequency cable (5) and the single-mode optical fiber cable (6) are formed, and the rectangular section cavity (11) and the strip-shaped section cavity (12) are communicated to form a cavity (10).
6. The manufacturing method according to claim 5, wherein the outer sheath (7) is encapsulated and vulcanized by an antiseptic glue; the photoelectric integrated cable network component is provided with a connector, and waterproof and anticorrosive insulating sealant is adopted among welding spots inside the connector for encapsulation and vulcanization; the photoelectric integrated cable network component is provided with a connector tail cover, and the connector tail cover is encapsulated and vulcanized by waterproof and anticorrosive vulcanized rubber.
CN202010997204.2A 2020-09-21 2020-09-21 Photoelectric integrated cable network assembly for aircraft engine control system and manufacturing method thereof Active CN112071496B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010997204.2A CN112071496B (en) 2020-09-21 2020-09-21 Photoelectric integrated cable network assembly for aircraft engine control system and manufacturing method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010997204.2A CN112071496B (en) 2020-09-21 2020-09-21 Photoelectric integrated cable network assembly for aircraft engine control system and manufacturing method thereof

Publications (2)

Publication Number Publication Date
CN112071496A CN112071496A (en) 2020-12-11
CN112071496B true CN112071496B (en) 2021-05-11

Family

ID=73682220

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010997204.2A Active CN112071496B (en) 2020-09-21 2020-09-21 Photoelectric integrated cable network assembly for aircraft engine control system and manufacturing method thereof

Country Status (1)

Country Link
CN (1) CN112071496B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112768124B (en) * 2020-12-30 2022-06-07 安徽宏源特种电缆股份有限公司 Light nuclear-resistant electromagnetic pulse cable for aerospace and production process thereof

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1016692C2 (en) * 2000-11-23 2002-06-07 Fokker Elmo B V Cable system with varied wires or fibers.
CN206711664U (en) * 2016-12-29 2017-12-05 阜新信通线缆有限公司 A kind of fire-retardant double shield type safety monitoring optoelectronic composite cable of tension
CN107039115B (en) * 2017-04-19 2018-11-13 安徽固齐线路器材有限公司 A kind of high-intensity fiber Al-alloy power cable
JP6423930B1 (en) * 2017-07-28 2018-11-14 Smk株式会社 Photoelectric composite cable
CN209087430U (en) * 2018-11-28 2019-07-09 长飞光纤光缆股份有限公司 A kind of flat optoelectronic composite cable
CN209804290U (en) * 2019-01-24 2019-12-17 安徽顺信线缆有限公司 High-temperature-resistant, irradiation-resistant and corrosion-resistant cable

Also Published As

Publication number Publication date
CN112071496A (en) 2020-12-11

Similar Documents

Publication Publication Date Title
CN104318997B (en) Low-smoke zero-halogen damp-proof fire-resistant tensile-resistant industrial cable
CN112071496B (en) Photoelectric integrated cable network assembly for aircraft engine control system and manufacturing method thereof
CN212380181U (en) High-temperature-resistant composite cable
CN201893153U (en) Special ultravioresistant plateau cable capable of preventing damages from rats and birds
CN208271629U (en) A kind of high temperature photoelectric composite rope
CN111580229A (en) Lightning protection optical cable
CN101593575B (en) High temperature resistance extrasoft fluoroplastic insulation branch cable component
CN111145944A (en) High-temperature-resistant insulated photovoltaic cable
CN111755163B (en) High-temperature-resistant 1000 ℃ electric wire and preparation method thereof
CN213691576U (en) Airborne high-strength towing photoelectric composite cable
CN210429338U (en) Automobile connecting line
CN114360774B (en) High-elasticity flexible cable
RU69675U1 (en) MINING CABLE
CN211654342U (en) Novel photoelectric composite cable for aviation
CN111933337A (en) Reinforced overhead insulated cable
CN214624505U (en) Low-temperature-resistant flame-retardant composite cable for electric power and computer
CN218568470U (en) Corrosion-resistant aluminum alloy cable conductor
CN217485107U (en) Prevent ftractureing and prevent loose flexible cable
CN219303351U (en) Telescopic silicon rubber wire with glass fiber layer
CN209266050U (en) A kind of underwater shock resistance pulling force construction of cable
CN219267324U (en) Extremely cold resistant control cable
CN214043150U (en) Cold-resistant and distortion-resistant cable for 35kv rubber insulation sheath wind driven generator
CN214043116U (en) Cable with aluminum alloy core and rubber insulation for wind power generation
CN215527294U (en) Environment-friendly sheathed cable
CN219842825U (en) Light high-temperature-resistant engine cable

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant