CN106057284B - Aviation 1394b data bus cables and preparation method thereof - Google Patents

Aviation 1394b data bus cables and preparation method thereof Download PDF

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Publication number
CN106057284B
CN106057284B CN201610597354.8A CN201610597354A CN106057284B CN 106057284 B CN106057284 B CN 106057284B CN 201610597354 A CN201610597354 A CN 201610597354A CN 106057284 B CN106057284 B CN 106057284B
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ptfe
silver
eptee
wire
core
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CN106057284A (en
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樊群
何丽坚
马秋丽
王杏
李峰
赖洪林
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Nanjing Quanxin Cable Technology Co Ltd
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Nanjing Quanxin Cable Technology Co Ltd
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    • 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
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
    • H01B13/02—Stranding-up
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
    • H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
    • H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
    • H01B13/26—Sheathing; Armouring; Screening; Applying other protective layers by winding, braiding or longitudinal lapping
    • H01B13/2613—Sheathing; Armouring; Screening; Applying other protective layers by winding, braiding or longitudinal lapping by longitudinal lapping
    • 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
    • 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
    • H01B3/44—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 vinyl resins; acrylic resins
    • H01B3/443—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 vinyl resins; acrylic resins from vinylhalogenides or other halogenoethylenic compounds
    • H01B3/445—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 vinyl resins; acrylic resins from vinylhalogenides or other halogenoethylenic compounds from vinylfluorides or other fluoroethylenic compounds
    • 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
    • H01B7/04—Flexible cables, conductors, or cords, e.g. trailing cables
    • 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
    • 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

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Electromagnetism (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Organic Insulating Materials (AREA)
  • Insulated Conductors (AREA)

Abstract

The present invention is aviation 1394b data bus cables and preparation method thereof, including conductor；Insulation；Filled core；Lapping layer；Internal shield；External shielding layer；Sheath.Preparation method includes：（1）Conductor is used as with the stranded silver-plated copper stranded wire of electric wire cable wire twisting machine；（2）In the wrapped expanded microporous polytetra fluoroethylene-EPTEE of the high-precision winding machine of conductor external application（PTFE）Tape insulation；（3）With high temperature sintering furnace high-temperature heat treatment insulated wire cores；（4）With high temperature extrusion machine extrusion molding polytetrafluoroethylene (PTFE) filled core；（5）Insulated wire cores, filled core are twisted together with cable-former；（6）Silver-plated circular copper wire is woven into double braid double-decker using braider,（7）Sheath extrudes perfluoroethylene-propylene material using high temperature extrusion machine thin-walled.Advantage：The features such as with high-low temperature resistant, softness, lightweight, ageing-resistant, fire-retardant, low decay, anti-interference, stable signal transmission, it is adaptable to the transmission of high speed signal under airborne severe rugged environment.

Description

Aviation 1394b data bus cables and preparation method thereof
Technical field
The present invention is aviation 1394b data bus cables and preparation method thereof, and cable has long-term high-low temperature resistant（-65 DEG C~+200 DEG C）, soft, lightweight, ageing-resistant, fire-retardant, low decay, anti-interference, stable signal transmission the features such as, it is adaptable to navigate The transmission of 1394b bus high speed signals under empty airborne severe rugged environment.
Background technology
At present, the domestic 1394b bus cables for not being applicable airborne field also, rely primarily on import at present, should Product is with reference to AGJB 973A-2004《Soft and semihard radio-frequency cable general specification》、GJB 773A-2000《Aero-Space are with containing Fluoropolymer insulated wire cable》Exploitation is designed with American Standard AS5706 standards and user's Special use environmental demand.Boat Sky uses high-low temperature resistant and low-loss fluorine material with 1394b data bus cables, takes into full account its applicability and security, fully Consider the requirement of the Special uses such as high/low temperature, small, lightweight, soft, easy for installation external diameter, high bandwidth, low-loss.
The content of the invention
Proposed by the present invention is a kind of aviation 1394b data bus cables and preparation method thereof, and conductor twists for silver-plated copper Line, improves the transmission performance of high-frequency data cable；Insulation uses high-low temperature resistant and low-loss PTFE material lapped insulation, reduces electricity Cable external diameter and weight, improve the flexibility and electric property of cable（Low decay, low electric capacity, high bandwidth）Deng；Sheath is used Perfluoroethylene-propylene（FEP）Expect thin-walled extrusion molding, improve the mechanical performance of cable.
The technical solution of the present invention：Aviation 1394b data bus cables, it is characterized in that cable two is adopted to signal wire With 4 core star-quad constructions, 4 described cores are four silver-plated copper stranded wire conductor conductors, and the outer surface of silver-plated copper stranded wire conductor is close to micro- Hole polytetrafluoroethylene (PTFE)（PTFE）Inner surface with wrapping insulation layer；Expanded microporous polytetra fluoroethylene-EPTEE（PTFE）Appearance with wrapping insulation layer It is close to polytetrafluoroethylene (PTFE) in face（PTFE）The inner surface of filled core；Polytetrafluoroethylene (PTFE)（PTFE）Filled core outer surface be close to it is micro- Hole polytetrafluoroethylene (PTFE)（PTFE）Inner surface with lapping layer；Expanded microporous polytetra fluoroethylene-EPTEE（PTFE）Outer surface with lapping layer is close to The inner surface of the internal shield of silver-plated circular copper wire braiding；It is close to plate silver dollar copper in the outer surface of the internal shield of silver-plated circular copper wire braiding The inner surface of the external shielding layer of line braiding；It is close to perfluoroethylene-propylene in the outer surface of the external shielding layer of silver-plated circular copper wire braiding （FEP）The inner surface of sheath；
Aviation 1394b data bus cable preparation methods, are comprised the technical steps that,
（1）Multiply silver-plated copper stranded wire is twisted together using electric wire wire twisting machine and is used as conductor 1；
（2）The outer surface of silver-plated copper stranded wire conductor 1 passes through the uniform wrapped expanded microporous polytetra fluoroethylene-EPTEE of bull winding machine（PTFE） Band forms wrapping insulation layer 2, then carries out high-temperature heat treatment to the insulated wire cores in wrapping insulation layer, to increase the strong of insulating barrier Degree, forms preferable insulating barrier 2；
（3）4 core insulation line medium design polytetrafluoroethylene (PTFE)（PTFE）Filled core 3, polytetrafluoroethylene (PTFE)（PTFE）Filled core Using high temperature extrusion machine melting extrusion, to stablize the structure of cable；
（4）The outer surface of 4 core insulation cores passes through the uniform wrapped expanded microporous polytetra fluoroethylene-EPTEE of single head winding machine（PTFE）Band around Covering；
（5）With cable-former polytetrafluoroethylene (PTFE)（PTFE）Filled core, expanded microporous polytetra fluoroethylene-EPTEE（PTFE）Band lapping layer is stranded Together；
（6）Expanded microporous polytetra fluoroethylene-EPTEE（PTFE）Outer surface with lapping layer 4 is woven in silver-plated circular copper wire by braider Screen layer 5；The outer surface of the inner shield of silver-plated circular copper wire braiding weaves the external shielding layer that silver-plated circular copper wire weaves by braider 6；
（7）The outer surface of the external shield of silver-plated circular copper wire braiding passes through high temperature extrusion machine extrusion molding perfluoroethylene-propylene（FEP） Sheath 7.
The present invention has advantages below：
（1）High-low temperature resistant：Insulation and sheath all using the fluoroplastics for being capable of high-low temperature resistant, enable its Long-term service temperature to reach To -65~+200 DEG C；
（2）Low decay, high bandwidth：Insulation uses the expanded microporous polytetra fluoroethylene-EPTEE of high-foaming（PTFE）With wrapped, dielectric Dielectric constant very little, can effectively reduce the signal attenuation of cable transmission, improve bandwidth, the highest transmission frequency of the cable reaches To 1GHz, decay is not more than under 0.509dB/m, 1GHz under frequency 500MHz and is not more than 0.738dB/m；
（3）Light-duty, softness：Insulation uses the expanded microporous polytetra fluoroethylene-EPTEE of high-foaming（PTFE）Band, the dielectric of dielectric is normal Number is small, and the characteristic impedance of cable is 110 Ω, can effectively reduce outer insulation diameter and electricity under conditions of cable same structure Cable external diameter, and density of material is low, so, softness small, lightweight compared to other similar outside diameters of cable；
（4）Structure：Cable two uses 4 core star-quad constructions to signal wire, instead of two pairs of traditional twisted pair constructions, structure Optimization, is effectively controlled external diameter, the weight of cable, it is adaptable to the loss of weight requirement of airborne environment；
（5）It is high fire-retardance, ageing-resistant, corrosion-resistant：Using fluoroplastics as insulation, filling and sheath material, have its cable There are good fire resistance, ageing-resistant and decay resistance, resistance to severe rugged environment；
（6）Excellent electrical property：1394b high speed data transfers are applicable to, it is steady with impedance stabilization, small, electrical property of decaying The advantages of determining.
Brief description of the drawings
Fig. 1 is the structural representation of aviation 1394b data bus cables.
In figure：1 is conductor；2 be insulating barrier；3 be filled core；4 be lapping layer；5 be internal shield；6 be external shielding layer；7 It is sheath.
A is that red, B is that orange, C is that blueness, D are greens.
Embodiment
Aviation 1394b data bus cables, its structure is that cable two uses 4 core star-quad constructions, described 4 to signal wire Core is four silver-plated copper stranded wire conductor conductors 1, and expanded microporous polytetra fluoroethylene-EPTEE is close in the outer surface of silver-plated copper stranded wire conductor（PTFE）Band The inner surface of wrapping insulation layer 2；Expanded microporous polytetra fluoroethylene-EPTEE（PTFE）It is close to polytetrafluoroethylene (PTFE) in outer surface with wrapping insulation layer （PTFE）The inner surface of filled core 3；Polytetrafluoroethylene (PTFE)（PTFE）The outer surface of filled core be close to expanded microporous polytetra fluoroethylene-EPTEE （PTFE）Inner surface with lapping layer 4；Expanded microporous polytetra fluoroethylene-EPTEE（PTFE）Outer surface with lapping layer is close to silver-plated circular copper wire The inner surface of the internal shield 5 of braiding；It is close to silver-plated circular copper wire braiding in the outer surface of the internal shield of silver-plated circular copper wire braiding The inner surface of external shielding layer 6；It is close to perfluoroethylene-propylene in the outer surface of the external shielding layer of silver-plated circular copper wire braiding（FEP）Sheath 7 Inner surface.
Described core star-quad construction is symmetrically stranded using the high-precision core of cable-former 4, makes the structure of 4 core signal wires relatively steady It is fixed, consistent, the Stability Analysis of Structures of the distance between two signal wires, it is ensured that the uniformity of two pairs of signal transmission.
It is stranded that described silver-plated copper stranded wire is that concentric type presses, the Ω of roundness diameter tolerance 0.01mm, resistance≤7.85/ 100m。
Described expanded microporous polytetra fluoroethylene-EPTEE（PTFE）Band wrapping insulation layer, its density of material≤0.7g/cm3, it is wrapped to complete Pass through high-temperature heat treatment, 290~340 DEG C of its heat treatment temperature, 5~10m/min of processing time, to increase the machine of insulating barrier again afterwards Tool intensity, then by the design of cabling structure to meet the requirement of high frequency signal transmission so that decay under frequency 500MHz not More than 0.509dB/m, it is not more than 0.738dB/m under 1GHz；- 65 DEG C~+250 DEG C of weight≤56.0g/m, heatproof.
Described polytetrafluoroethylene (PTFE)（PTFE）Filled core, -65 DEG C~+250 DEG C of heatproof.
Described expanded microporous polytetra fluoroethylene-EPTEE（PTFE）With wrapped, its dielectric constant≤1.5.
Described perfluoroethylene-propylene（FEP）The extrusion molding thickness 0.15mm of material, mechanical strength >=20MPa, external diameter≤ 5.08mm, weight≤56.0g/m, -65 DEG C~+200 DEG C of heatproof.
Aviation 1394b data bus cable preparation methods, are comprised the technical steps that,
（1）Multiply silver-plated copper stranded wire is twisted together using electric wire wire twisting machine and is used as conductor 1；
（2）The outer surface of silver-plated copper stranded wire conductor passes through the uniform wrapped expanded microporous polytetra fluoroethylene-EPTEE of bull winding machine（PTFE）Band Wrapping insulation layer 2 is formed, then high-temperature heat treatment is carried out to the insulated wire cores in wrapping insulation layer, to increase the intensity of insulating barrier, Form preferable insulating barrier；
（3）4 core insulation line medium design polytetrafluoroethylene (PTFE)（PTFE）Filled core, polytetrafluoroethylene (PTFE)（PTFE）Filled core 3 Using high temperature extrusion machine melting extrusion, to stablize the structure of cable；
（4）The outer surface of 4 core insulation cores passes through the uniform wrapped expanded microporous polytetra fluoroethylene-EPTEE of single head winding machine（PTFE）Band around Covering 4；
（5）With cable-former polytetrafluoroethylene (PTFE)（PTFE）Filled core 3, expanded microporous polytetra fluoroethylene-EPTEE（PTFE）Band lapping layer 4 is twisted It is combined；
（6）Expanded microporous polytetra fluoroethylene-EPTEE（PTFE）Outer surface with lapping layer weaves the interior screen of silver-plated circular copper wire by braider Cover layer 5；The outer surface of the inner shield of silver-plated circular copper wire braiding weaves the external shielding layer 6 that silver-plated circular copper wire weaves by braider；
（7）The outer surface of the external shield of silver-plated circular copper wire braiding passes through high temperature extrusion machine extrusion molding perfluoroethylene-propylene（FEP） Sheath 7.

Claims (1)

1. aviation 1394b data bus cables, it is characterized in that cable two uses 4 core star-quad constructions, 4 described cores to signal wire It is four silver-plated copper stranded wire conductors, expanded microporous polytetra fluoroethylene-EPTEE is close in the outer surface of silver-plated copper stranded wire conductor（PTFE）Band lapped insulation The inner surface of layer；Expanded microporous polytetra fluoroethylene-EPTEE（PTFE）It is close to polytetrafluoroethylene (PTFE) in outer surface with wrapping insulation layer（PTFE）Filled core Inner surface；Polytetrafluoroethylene (PTFE)（PTFE）The outer surface of filled core be close to expanded microporous polytetra fluoroethylene-EPTEE（PTFE）With lapping layer Inner surface；Expanded microporous polytetra fluoroethylene-EPTEE（PTFE）Outer surface with lapping layer is close in the internal shield of silver-plated circular copper wire braiding Surface；It is close to the inner surface of the external shielding layer of silver-plated circular copper wire braiding in the outer surface of the internal shield of silver-plated circular copper wire braiding；Plating It is close to perfluoroethylene-propylene in the outer surface of the external shielding layer of silver dollar copper wire woven（FEP）The inner surface of sheath；
Described core star-quad construction is symmetrically stranded using the high-precision core of cable-former 4, the structure of 4 core signal wires is stablized relatively, and two The distance between root signal wire is consistent, Stability Analysis of Structures, it is ensured that the uniformity of two pairs of signal transmission；
Described silver-plated copper stranded wire is that concentric type presses stranded, roundness diameter tolerance 0.01mm, resistance≤7.85 Ω/100m；
Described expanded microporous polytetra fluoroethylene-EPTEE（PTFE）Band wrapping insulation layer, its density of material≤0.7g/cm3, it is wrapped after the completion of pass through again High-temperature heat treatment is crossed, 290~340 DEG C of its heat treatment temperature, 5~10m/min of processing time are strong with the machinery for increasing insulating barrier Degree, then by the design of cabling structure to meet the requirement of high frequency signal transmission so that decay is not more than under frequency 500MHz It is not more than 0.738dB/m under 0.509dB/m, 1GHz；- 65 DEG C~+250 DEG C of weight≤56.0g/m, heatproof；
Described polytetrafluoroethylene (PTFE)（PTFE）Filled core, -65 DEG C~+250 DEG C of heatproof；
Described expanded microporous polytetra fluoroethylene-EPTEE（PTFE）With wrapped, its dielectric constant≤1.5；
Described perfluoroethylene-propylene（FEP）The extrusion molding thickness 0.15mm of material, mechanical strength >=20MPa, external diameter≤5.08mm, Weight≤56.0g/m, -65 DEG C~+200 DEG C of heatproof.
CN201610597354.8A 2016-07-27 2016-07-27 Aviation 1394b data bus cables and preparation method thereof Active CN106057284B (en)

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CN107342131A (en) * 2017-05-23 2017-11-10 芜湖航天特种电缆厂股份有限公司 Aerospace 1394b data bus cables and preparation method thereof
CN108320840A (en) * 2017-07-25 2018-07-24 郑成 High-speed digital signal transmission cable
CN110277196B (en) * 2019-07-17 2024-05-14 安徽瑞之星电子科技集团有限公司 Ultra-high-speed data transmission cable and manufacturing process thereof
CN111681819A (en) * 2020-05-29 2020-09-18 芜湖航天特种电缆厂股份有限公司 Ten-million Ethernet cable and preparation method thereof
CN113066616B (en) * 2021-03-31 2022-06-14 福建微波通通信技术有限公司 Production method of microwave coaxial cable and cable
CN113205906A (en) * 2021-04-28 2021-08-03 成都国恒空间技术工程有限公司 Aerospace 1394B data bus cable

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CN2870196Y (en) * 2006-01-16 2007-02-14 江阴市神宇通信技术有限公司 Micro-holed ploytetrafluoroethylene insulation soft radio-frequency cable
US7897873B2 (en) * 2009-02-12 2011-03-01 Commscope Inc. Of North Carolina Communications cables having outer surface with reduced coefficient of friction and methods of making same
CN102446580B (en) * 2010-09-30 2014-05-28 上海特缆电工科技有限公司 Water-proof and corrosion-proof film-covered composite insulated wire and manufacturing method thereof
CN202034090U (en) * 2011-03-11 2011-11-09 南京全信传输科技股份有限公司 High temperature resistant and light LVDS data bus cable
CN205845525U (en) * 2016-07-27 2016-12-28 南京全信传输科技股份有限公司 Aviation 1394b data bus cable

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