CN103871559B - A kind of aerospace line cable - Google Patents
A kind of aerospace line cable Download PDFInfo
- Publication number
- CN103871559B CN103871559B CN201410063353.6A CN201410063353A CN103871559B CN 103871559 B CN103871559 B CN 103871559B CN 201410063353 A CN201410063353 A CN 201410063353A CN 103871559 B CN103871559 B CN 103871559B
- Authority
- CN
- China
- Prior art keywords
- external insulation
- insulation core
- cores
- outer conductor
- wire
- 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.)
- Expired - Fee Related
Links
- 238000009422 external insulation Methods 0.000 claims abstract description 53
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 37
- 229920002313 fluoropolymer Polymers 0.000 claims abstract description 35
- 239000004811 fluoropolymer Substances 0.000 claims abstract description 35
- 238000009413 insulation Methods 0.000 claims abstract description 29
- 238000000576 coating method Methods 0.000 claims abstract description 12
- 229910052802 copper Inorganic materials 0.000 claims abstract description 11
- 239000010949 copper Substances 0.000 claims abstract description 11
- 239000004020 conductor Substances 0.000 claims description 47
- 239000000945 filler Substances 0.000 claims description 19
- 230000004888 barrier function Effects 0.000 claims description 17
- 239000011248 coating agent Substances 0.000 claims description 11
- 239000000126 substance Substances 0.000 abstract description 5
- 239000003063 flame retardant Substances 0.000 abstract description 3
- 239000012774 insulation material Substances 0.000 description 6
- 239000010410 layer Substances 0.000 description 6
- 239000002994 raw material Substances 0.000 description 6
- 239000004812 Fluorinated ethylene propylene Substances 0.000 description 4
- 239000004734 Polyphenylene sulfide Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- HQQADJVZYDDRJT-UHFFFAOYSA-N ethene;prop-1-ene Chemical group C=C.CC=C HQQADJVZYDDRJT-UHFFFAOYSA-N 0.000 description 4
- 229920009441 perflouroethylene propylene Polymers 0.000 description 4
- 229920000069 polyphenylene sulfide Polymers 0.000 description 4
- -1 polytetrafluoroethylene Polymers 0.000 description 4
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 description 4
- 229920002620 polyvinyl fluoride Polymers 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000008054 signal transmission Effects 0.000 description 3
- 239000012790 adhesive layer Substances 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
Landscapes
- Insulated Conductors (AREA)
Abstract
The invention discloses a kind of aerospace line cable that the present invention proposes, comprise a central insulation core, four first external insulation cores and four second external insulation cores, wherein contact with central insulation core outside four parallel vertical centre insulated wire cores of first external insulation core, at central insulation core, four first external insulation cores outer coated copper wire woven shield, soft copper band lapped shielding layer, fluoropolymer restrictive coatings successively, wherein four second external insulation cores are arranged between proof copper-wire braided screen and soft copper band lapped shielding layer.The present invention is widely used in aircraft, satellite, rocket and other aircraft, has that external diameter is little, lightweight, high temperature resistant, an advantage such as oil resistant, fire-retardant and other chemicals, is applicable to that ambient temperature is higher, the place of inclement condition; Solve requirement aircraft electric wire being provided to safer and better insulation property, under being applicable to the rugged environments such as high temperature, high pressure, blast, magnetic field.
Description
Technical field
The present invention relates to technical field of electric wires and cables, particularly relate to a kind of aerospace line cable.
Background technology
Electric wire transmits electricity (magnetic) energy, information and the wire product realizing electromagnetic energy conversion.According to the regulation of International Electrotechnical Commission (IEC), the electric wire that high temperature-resistant cable can normally work under referring to 180 DEG C and above temperature, but the long-term work ambient temperature of general fire resistant electric wire cable is at about 65 ~ 200 DEG C.
But the electric wire used under aerospace hot environment, cable antijamming capability is not strong, easily causes signal transmission disorderly, even causes casualties or property loss.In addition, its weight can not meet aerospace requirement.At present, the transmission electric wire in the fields such as Aero-Space mainly adopts F46 insulated conductor, and this kind of wire cable insulating extrudes that thick, volume is large, Heavy Weight and easy cracking of insulating after standing outer space high energy electron irradiation is aging, and safety and reliability are poor.
Along with the development of Aero-Space science and technology, more and more higher to the requirement of the security performance of electric wire wiring system in aircraft, resistance to irradiation and the index such as insulation property and volume weight, existing F46 insulated conductor has been difficult to meet the requirement of Aerospace Products to miniaturization, lightweight, high reliability future development.
Summary of the invention
In order to solve the technical problem existed in background technology, the present invention proposes a kind of aerospace line cable, there is little, lightweight, the resistance to irradiation of volume, high-low temperature resistant, advantage that reliability is high.
A kind of aerospace line cable that the present invention proposes, comprise a central insulation core, four first external insulation cores and four second external insulation cores, central insulation core is made up of center conductor and the fluoropolymer insulating barrier be coated on outside center conductor, first external insulation core is made up of the first outer conductor and the fluoropolymer insulating barrier be coated on outside the first outer conductor, second external insulation core is made up of the second outer conductor and the fluoropolymer insulating barrier be coated on outside the second outer conductor, wherein contact with central insulation core outside four parallel vertical centre insulated wire cores of first external insulation core, at central insulation core, four outer coated copper wire woven shields successively of first external insulation core, soft copper band lapped shielding layer, fluoropolymer restrictive coating, wherein four second external insulation cores are arranged between proof copper-wire braided screen and soft copper band lapped shielding layer, second external insulation core is by the space between proof copper-wire braided screen press-in arbitrary neighborhood two the first external insulation cores, and the second external insulation core contacts with soft copper band lapped shielding layer.
Preferably, between two the first external insulation cores of arbitrary neighborhood, be equipped with hollow gap-filler bar, hollow gap-filler bar contacts with central insulation core, the first external insulation core and proof copper-wire braided screen respectively.When cable is subject to external force extruding or distortion, hollow gap-filler bar provides the effect of an elastic buffer, avoids the dislocation causing central insulation core, the first external insulation core and the second external insulation core under external force, improves the quality of cable.
Preferably, the cross section of hollow gap-filler bar is oval.
Preferably, the hollow area sectional area duty heart gap-filler bar of hollow gap-filler bar excircle sectional area 50 ~ 80%.
Preferably, center conductor, the first outer conductor, the second outer conductor are tinned copper wire or the silver-gilt copper wire of strands.
Preferably, the diameter of center conductor is greater than the diameter of the first outer conductor, and the diameter of the first outer conductor is greater than the diameter of the second outer conductor.
Preferably, the fluoropolymer Insulation Material that fluoropolymer insulating barrier, fluoropolymer restrictive coating adopt, comprise following raw material: polytetrafluoroethylene: 20 ~ 35 parts, Kynoar: 25 ~ 35 parts, fluorinated ethylene propylene copolymer: 40 ~ 65 parts, polyvinyl fluoride: 20 ~ 30 parts, polyphenylene sulfide: 10 ~ 18 parts.The fluoropolymer Insulation Material be made up of above-mentioned raw materials, improves fluoropolymer insulating barrier, the chemical resistance of fluoropolymer restrictive coating, dielectric property, electric insulation, high temperature resistant, solderability, moisture resistance and mechanical strength etc.
Preferably, the fluoropolymer Insulation Material that fluoropolymer insulating barrier, fluoropolymer restrictive coating adopt, comprise following raw material: polytetrafluoroethylene: 25 ~ 30 parts, Kynoar: 28 ~ 31 parts, fluorinated ethylene propylene copolymer: 50 ~ 55 parts, polyvinyl fluoride: 15 ~ 16 parts, polyphenylene sulfide: 14 ~ 15 parts.
The present invention is widely used in aircraft, satellite, rocket and other aircraft, has that external diameter is little, lightweight, high temperature resistant, an advantage such as oil resistant, fire-retardant and other chemicals, is applicable to that ambient temperature is higher, the place of inclement condition.The present invention adopts fluoropolymer insulating barrier, fluoropolymer restrictive coating, solves requirement aircraft electric wire being provided to safer and better insulation property, under being applicable to the rugged environments such as high temperature, high pressure, blast, magnetic field.In the present invention, central insulation core is used for transferring high voltage alternating current, first external insulation core is used for transmission of control signals, second external insulation core is used for reception control signal, second external insulation core is by the space between proof copper-wire braided screen press-in arbitrary neighborhood two the first external insulation cores, ensure the roundness of cable, and the first insulated wire cores and the second insulated wire cores separate by proof copper-wire braided screen, avoid signal transmission interference; Center conductor, the first outer conductor, the second outer conductor are zinc-plated silver-gilt copper wire, reduce conductive line surfaces resistance, improve the conductive capability of wire on the whole.The present invention is provided with hollow gap-filler bar, under any external forces, all significantly can not change the relative position between core, and hollow gap-filler bar plays the effect of buffering simultaneously.
Accompanying drawing explanation
Fig. 1 is the cross section structure schematic diagram of a kind of aerospace line cable that the present invention proposes.
Embodiment
As shown in Figure 1, Fig. 1 is the cross section structure schematic diagram of a kind of aerospace line cable that the present invention proposes.
With reference to Fig. 1, a kind of aerospace line cable that the present invention proposes, comprise a central insulation core 1, four first external insulation cores 2 and four second external insulation cores 3, central insulation core 1 is made up of center conductor 11 and the fluoropolymer insulating barrier 12 be coated on outside center conductor 11, first external insulation core 2 is made up of the first outer conductor 21 and the fluoropolymer insulating barrier 22 be coated on outside the first outer conductor 21, second external insulation core 3 is made up of the second outer conductor 31 and the fluoropolymer insulating barrier 32 be coated on outside the second outer conductor 31, wherein contact with central insulation core 1 outside four parallel vertical centre insulated wire cores 1 of first external insulation core 2, at central insulation core 1, four outer coated copper wire woven shields 5 successively of first external insulation core 2, soft copper band lapped shielding layer 6, fluoropolymer restrictive coating 7, wherein four second external insulation cores 3 are arranged between proof copper-wire braided screen 5 and soft copper band lapped shielding layer 6, proof copper-wire braided screen 5 is pressed into the space between arbitrary neighborhood two the first external insulation cores 2 by the second external insulation core 3, and the second external insulation core 3 contacts with soft copper band lapped shielding layer 6.
Wherein, between two the first external insulation cores 2 of arbitrary neighborhood, be equipped with cross section is oval hollow gap-filler bar 4, and hollow gap-filler bar 4 contacts with central insulation core 1, first external insulation core 2 and proof copper-wire braided screen 5 respectively.50 ~ 80% of the excircle sectional area of the hollow area sectional area duty heart gap-filler bar 4 of hollow gap-filler bar 4.When cable is subject to external force extruding or distortion, hollow gap-filler bar provides the effect of an elastic buffer, avoids the dislocation causing central insulation core, the first external insulation core and the second external insulation core under external force, improves the quality of cable.
Wherein, center conductor 11, first outer conductor 21, second outer conductor 31 is tinned copper wire or the silver-gilt copper wire of strands, and the diameter of center conductor 11 is greater than the diameter of the first outer conductor 21, and the diameter of the first outer conductor 21 is greater than the diameter of the second outer conductor 31.
In the present invention, the fluoropolymer Insulation Material that fluoropolymer insulating barrier, fluoropolymer restrictive coating 7 adopt, comprise following raw material: polytetrafluoroethylene: 20 ~ 35 parts, Kynoar: 25 ~ 35 parts, fluorinated ethylene propylene copolymer: 40 ~ 65 parts, polyvinyl fluoride: 20 ~ 30 parts, polyphenylene sulfide: 10 ~ 18 parts.The fluoropolymer Insulation Material be made up of above-mentioned raw materials, improves fluoropolymer insulating barrier, the chemical resistance of fluoropolymer restrictive coating, dielectric property, electric insulation, high temperature resistant, solderability, moisture resistance and mechanical strength etc.
In a particular embodiment, the fluoropolymer Insulation Material that fluoropolymer insulating barrier, fluoropolymer restrictive coating 7 adopt, comprise following raw material: polytetrafluoroethylene: 28 parts, Kynoar: 29 parts, fluorinated ethylene propylene copolymer: 52 parts, polyvinyl fluoride: 15 parts, polyphenylene sulfide: 14 parts.
The present invention is widely used in aircraft, satellite, rocket and other aircraft, has that external diameter is little, lightweight, high temperature resistant, an advantage such as oil resistant, fire-retardant and other chemicals, is applicable to that ambient temperature is higher, the place of inclement condition.The present invention adopts fluoropolymer insulating barrier, fluoropolymer restrictive coating 7, solves requirement aircraft electric wire being provided to safer and better insulation property, under being applicable to the rugged environments such as high temperature, high pressure, blast, magnetic field.In the present invention, central insulation core 1 is for transferring high voltage alternating current, first external insulation core 2 is for transmission of control signals, second external insulation core 3 is for reception control signal, proof copper-wire braided screen 5 is pressed into the space between arbitrary neighborhood two the first external insulation cores 2 by the second external insulation core 3, ensure the roundness of cable, and the first insulated wire cores 2 and the second insulated wire cores 3 separate by proof copper-wire braided screen 5, avoid signal transmission interference; Center conductor 11, first outer conductor 21, second outer conductor 31 is zinc-plated silver-gilt copper wire, can reduce conductive line surfaces resistance, improve the conductive capability of wire on the whole.The present invention arranges antifriction adhesive-layer 13 on central insulation core, under any external forces, all significantly can not change the relative position between core, hollow gap-filler bar 4 plays the effect of buffering simultaneously, prevents antifriction adhesive-layer 13 inefficacy from causing the dislocation of the position between core.
The above; be only the present invention's preferably embodiment; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.
Claims (6)
1. an aerospace line cable, it is characterized in that, comprise a central insulation core (1), four first external insulation cores (2) and four second external insulation cores (3), central insulation core (1) is by center conductor (11) and be coated on center conductor (11) fluoropolymer insulating barrier (12) outward and form, first external insulation core (2) is by the first outer conductor (21) and be coated on the first outer conductor (21) fluoropolymer insulating barrier (22) outward and form, second external insulation core (3) is by the second outer conductor (31) and be coated on the second outer conductor (31) fluoropolymer insulating barrier (32) outward and form, wherein four first parallel vertical centre insulated wire cores (1) outsides of external insulation core (2) contacting with central insulation core (1), in central insulation core (1), four first external insulation cores (2) coated copper wire woven shield (5) successively outward, soft copper band lapped shielding layer (6), fluoropolymer restrictive coating (7), wherein four second external insulation cores (3) are arranged between proof copper-wire braided screen (5) and soft copper band lapped shielding layer (6), second external insulation core (3) is by the space between proof copper-wire braided screen (5) press-in arbitrary neighborhood two the first external insulation cores (2), and the second external insulation core (3) contacts with soft copper band lapped shielding layer (6).
2. aerospace line cable according to claim 1, it is characterized in that, between two the first external insulation cores (2) of arbitrary neighborhood, be equipped with hollow gap-filler bar (4), hollow gap-filler bar (4) contacts with central insulation core (1), the first external insulation core (2) and proof copper-wire braided screen (5) respectively.
3. aerospace line cable according to claim 2, is characterized in that, the cross section of hollow gap-filler bar (4) is oval.
4. aerospace line cable according to claim 2, is characterized in that, 50 ~ 80% of the excircle sectional area of hollow area sectional area duty heart gap-filler bar (4) of hollow gap-filler bar (4).
5. aerospace line cable according to claim 1, is characterized in that, center conductor (11), the first outer conductor (21), the second outer conductor (31) are tinned copper wire or the silver-gilt copper wire of strands.
6. aerospace line cable according to claim 1 or 5, it is characterized in that, the diameter of center conductor (11) is greater than the diameter of the first outer conductor (21), and the diameter of the first outer conductor (21) is greater than the diameter of the second outer conductor (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410063353.6A CN103871559B (en) | 2014-02-24 | 2014-02-24 | A kind of aerospace line cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410063353.6A CN103871559B (en) | 2014-02-24 | 2014-02-24 | A kind of aerospace line cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103871559A CN103871559A (en) | 2014-06-18 |
| CN103871559B true CN103871559B (en) | 2015-12-30 |
Family
ID=50909997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410063353.6A Expired - Fee Related CN103871559B (en) | 2014-02-24 | 2014-02-24 | A kind of aerospace line cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103871559B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104485161A (en) * | 2014-12-22 | 2015-04-01 | 特变电工(德阳)电缆股份有限公司 | Oil-proof and dragging-resistant coiled control cable |
| CN107230529A (en) * | 2017-05-24 | 2017-10-03 | 晋源电气集团股份有限公司 | A kind of flame-resistant high-temperature-resistant controls cable |
| CN107910109A (en) * | 2017-10-19 | 2018-04-13 | 芜湖缆胜电缆新材料有限公司 | A kind of anti-twist power cable |
| CN113488238B (en) * | 2021-06-10 | 2023-05-30 | 安徽凌宇电缆科技有限公司 | Reinforced rubber jacketed flexible cable woven by metal shielding wrapping of coal mining machine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003346572A (en) * | 2002-05-28 | 2003-12-05 | Fujikura Ltd | Lan cable |
| CN1691212A (en) * | 2004-04-19 | 2005-11-02 | 尼克桑斯公司 | Flexible control electrical wire |
| CN201327736Y (en) * | 2008-12-08 | 2009-10-14 | 赵振海 | Mine cable also for fiber communication |
| CN102314962A (en) * | 2011-08-24 | 2012-01-11 | 宝胜科技创新股份有限公司 | Special composite branch cable used for railway tunnels |
| CN203826035U (en) * | 2014-02-24 | 2014-09-10 | 安徽华联电缆集团有限公司 | Wire cable for aerospace |
-
2014
- 2014-02-24 CN CN201410063353.6A patent/CN103871559B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003346572A (en) * | 2002-05-28 | 2003-12-05 | Fujikura Ltd | Lan cable |
| CN1691212A (en) * | 2004-04-19 | 2005-11-02 | 尼克桑斯公司 | Flexible control electrical wire |
| CN201327736Y (en) * | 2008-12-08 | 2009-10-14 | 赵振海 | Mine cable also for fiber communication |
| CN102314962A (en) * | 2011-08-24 | 2012-01-11 | 宝胜科技创新股份有限公司 | Special composite branch cable used for railway tunnels |
| CN203826035U (en) * | 2014-02-24 | 2014-09-10 | 安徽华联电缆集团有限公司 | Wire cable for aerospace |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103871559A (en) | 2014-06-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203773987U (en) | Anti-interference strong copper cable | |
| CN103871559B (en) | A kind of aerospace line cable | |
| CN103871609A (en) | Perfluorinated-ethylene insulating protecting-cover wire | |
| CN203826035U (en) | Wire cable for aerospace | |
| CN103943199A (en) | High-temperature-resistant compensation flat special cable | |
| CN103531272A (en) | Light radiation-resistant high-performance transmission cable for aerospace | |
| CN104103356A (en) | Silver-copper alloy conductor cable for aerospace | |
| CN103903754A (en) | Insulating and shielding double-sheath cable resistant to acid and base | |
| CN103903757A (en) | Ethylene propylene rubber insulation low smoke zero halogen power cable | |
| CN103903724A (en) | Power control insulating shielding double-sheath cable | |
| CN205122226U (en) | Communication cable for truck | |
| CN105825946A (en) | Marine fire-resistant frequency-variable cable | |
| CN202694900U (en) | Light and high temperature resistant shielded conductor used for space flight and aviation | |
| CN104103344A (en) | Special high-temperature resistant compensating cable for thermocouple | |
| CN103871574A (en) | Flexible electric wire with multiple protecting sheaths for metallurgical power generation | |
| CN204066779U (en) | A kind of Aero-Space multi-core controlled cable | |
| CN104616816A (en) | Flexible armored power cable for aviation | |
| CN103943187A (en) | Multi-conductor insulated flexible cable | |
| CN203746521U (en) | Acid and alkali resistance insulation shield double-sheath cable | |
| CN204516387U (en) | A kind of pressure resistant type Low emissivity cable | |
| CN103871563A (en) | Electric wire with double protecting sheaths and insulation layers for metallurgical power generation | |
| CN204480710U (en) | A kind of space flight shielding insulation control cables | |
| CN203366818U (en) | Light anti-interference cable | |
| CN205140588U (en) | But light -duty fire -resistant porcelain silicon rubber insulation warship shipboard power cable | |
| CN206058915U (en) | A kind of aircraft engine high temperature resistant soft type electric wire |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151230 Termination date: 20190224 |