CN105761802A - High-temperature-resistant flexible signal transmission long-line cable for spaceflight - Google Patents
High-temperature-resistant flexible signal transmission long-line cable for spaceflight Download PDFInfo
- Publication number
- CN105761802A CN105761802A CN201610277145.5A CN201610277145A CN105761802A CN 105761802 A CN105761802 A CN 105761802A CN 201610277145 A CN201610277145 A CN 201610277145A CN 105761802 A CN105761802 A CN 105761802A
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- cable
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- arranged outside
- silver
- copper wire
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Classifications
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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
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
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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
- H01B7/04—Flexible cables, conductors, or cords, e.g. trailing cables
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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
-
- 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
- H01B7/29—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
Abstract
The invention relates to a high-temperature-resistant flexible signal transmission long-line cable for spaceflight. The cable comprises a cable core and a sheath arranged on the cable core. The cable core consists of a plurality of wire cores and a filling material arranged around the wire cores. The wire cores include conductors; aluminium-polyethylene bonding sheath layers are arranged outside the conductors; thermal bonding type anti-slippage high modulus reinforcement layers are arranged outside the aluminium-polyethylene bonding sheath layers; and fluoroplastic polymer insulation layers are arranged outside the thermal bonding type anti-slippage high modulus reinforcement layers. A ceramic silicon sulfide rubber belt is arranged outside the cable core; a teflon belt is arranged outside the ceramic silicon sulfide rubber belt; a polyimide composite film belting layer is arranged outside the teflon belt; a silver-plated copper foil belting layer is arranged at the polyimide composite film belting layer; a metal shielding layer is arranged at the silver-plated copper foil belting layer; and a sheath layer is arranged outside the metal shielding layer. According to the invention, the cable has a reasonable structural design; and the external diameter of the cable is less than the laying space. The cable has advantages of small size, light weight, high strength, good wear-resistant, chemical-corrosion-resistant, and fire-resistant performances, low vacuum gassing, and good shielding effect and the like.
Description
Technical field
The present invention relates to a kind of cable, be specifically related to a kind of space flight high-temperature flexible signal transmission long cable.
Background technology
The basic demand of Aero-Space cable be lightweight, diameter is little, heatproof is high and wearability is good, should have the performances such as fuel oil resistance, lubricating oil and other chemical solvents in addition.For the data cable of aviation, cross section is mostly circular configuration, and the structure of flat is less, and the structure of flat easily occurs that core distorts in the process installed, and core is easily impaired, it is impossible to meet the demand of high speed data transfer under aeronautical environment.
Date of publication is CN104681178A, date of publication is that the Chinese invention patent on June 3rd, 2015 discloses a kind of high temperature-resistant cable; it includes some composition cable cores and extrusion molding belting layer outside conductor wire core; screen layer, insulating barrier and PVC rubber protecting jacket also it is enclosed with successively outside belting layer; side outside described screen layer is additionally provided with thermal insulation layer; wrapping up one layer of fireprotection layer between described insulating barrier and described PVC rubber protecting jacket, described fireprotection layer is that circular mutually circumscribed fire guard is arranged successively and formed by some cross sections.Fire guard is made up of the organosilicon and polrvinyl chloride adding Muscovitum；Described thermal insulation layer is the glass fibre containing graphite granule；The annealed Al-alloy braiding that described screen layer is electroplating surfaces with tin forms.Adopt the cable of said structure, although work under 150 DEG C of high temperature 4 hours, but cable is flexible not, it is impossible to meet the working environment of frequency conversion equipment.
Date of publication is CN103730197A, the Chinese invention patent that date of publication is on April 16th, 2014 discloses a kind of flexible cable, including copper core stranded conductor, in the outside of copper core stranded conductor, insulating barrier is set, copper core stranded conductor and insulating barrier constitute insulated wire cores, many insulated wire cores are twisted into cable core, gap and cable core between cable core are externally provided with packed layer, belting layer, described belting layer includes Mica tape layer and around the layer of glass fiber band lapping layer wrapped on Mica tape layer, outside described glass fibre belt lapping layer, armor is set, outside described armor, restrictive coating is set.Insulating barrier is to be formed by Mica tape 5 layers.Described packed layer is that flame resistant filler rope is filled, and Mica tape layer is around wrapping on packed layer.Described armor adopts copper sheathing screw thread armouring.Restrictive coating is to be extruded by 125 DEG C of Low-smoke halogen-free flame retardant thermoplastic polyurethane elastomer TPU materials to form.Adopt the cable of said structure, although ensure that the softness of cable, but can not work in high temperature environments, but space equipment working environment can not be met.
Publication number CN102394153A, the date of publication Chinese invention patent of on 03 28th, 2012 disclose a kind of high-temperature-resistant flexible cable; include sheath, rubber layer and sheath from outside to inside; being provided with multiply composite conductor structure in sheath, each composite conductor structure described includes conductor, mica layer, insulating barrier and coat of metal；Conductor outer wrapping mica layer, mica layer outer wrapping insulating barrier, insulating barrier outer wrapping coat of metal.Coat of metal is soft stainless steel band.Conductor arranges drainage thread.Conductor outer wrapping drainage thread, drainage thread outer wrapping mica layer.The cable of said structure, although can the high temperature of resistance to more than 1000 DEG C, be provided simultaneously with good pliability, it is possible to bear the splashing of high-temperature molten steel, meet actual operation requirements, but space equipment working environment can not be met.
Accordingly, it would be desirable to a kind of space flight high-temperature flexible signal transmits long cable.
Summary of the invention
It is an object of the invention to provide a kind of space flight high-temperature flexible signal transmission long cable, reasonable in design, the advantage such as can have that volume is little, lightweight, intensity is high, wearability good so that the external diameter of cable is less than laying space, resistance to chemical attack, anti-flammability high and low vacuum ease gas, shield effectiveness are good.
It is an object of the invention to be achieved through the following technical solutions, a kind of space flight high-temperature flexible signal transmits long cable, including the sheath arranged on cable core, cable core, it is characterized in that, described cable core includes the packing material around several cores and core, core includes conductor, and described conductor is bare copper wire stranded conductor, tinned copper wire stranded conductor, silver-gilt copper wire stranded conductor or nickel-clad copper silk stranded conductor；Aluminum one polyethylene bonding sheath is set outside conductor, hot sticky type resistant slide height mould enhancement Layer is set outside aluminum one polyethylene bonding sheath, outside hot sticky type resistant slide height mould enhancement Layer, fluoroplastic polymer insulating barrier is set, ceramic sulphurated siliastic band is set outside cable core, outside ceramic sulphurated siliastic band, teflin tape is set, polyimide composite film belting layer is set outside teflin tape, polyimide composite film belting layer arranges silver-plated Copper Foil belting layer, silver-bearing copper paper tinsel belting layer arranges metal screen layer, arranges cross-linking radiation ethylene-tetrafluoroethylene restrictive coating outside metal screen layer.
Preferably, the thickness of described fluoroplastic polymer insulating barrier is 0.12-0.16mm.
Preferably, the thickness 0.4-0.6mm of described cross-linking radiation ethylene-tetrafluoroethylene restrictive coating.
Preferably, described metal screen layer is wire braid, and described tinsel is selected from bare copper wire, tinned copper wire, silver-gilt copper wire, nickel plating copper wire or pure nickel wire；.
Preferably, the count of described wire braid is not less than 85%, and angle of weave is 30 °～60 °.
Compared with prior art, the method have the advantages that
First, the present invention has excellent electric property and physical and mechanical properties, resistance to cracking, wear-resisting, stable chemical performance, can run reliable and stablely, and have the features such as external diameter is little, lightweight within the scope of-65～200 DEG C.
Second, the present invention in the case of a high temperature, does not decompose, and simultaneously under flame condition, does not burn, not carbonization, it is ensured that described cable is recyclable sabot after a procedure, reuses；It addition, have extraordinary anti-wear performance so that cable is not easily scratched in installation process, improve the reliability of cable itself so that the flexibility of cable itself is greatly improved, make installation, reclaim more convenient, quick.
3rd, the present invention has extraordinary chemical stability, resistance to various Aero-Space oil, liquid；Simple in construction, result of use is good.
Accompanying drawing explanation
Fig. 1 is the structural representation of space flight high-temperature flexible signal of the present invention transmission long cable；
In figure: 1 conductor, 2 aluminum one polyethylene bonding sheaths, 3 hot sticky type resistant slide height mould enhancement Layers, 4 fluoroplastic polymer insulating barriers, 5 ceramic sulphurated siliastic bands, 6 teflin tapes, 7 polyimide composite film belting layers, 8 silver-plated Copper Foil belting layers, 9 metal screen layers, 10 cross-linking radiation ethylene-tetrafluoroethylene restrictive coatings.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
As shown in Figure 1, a kind of space flight high-temperature flexible signal transmits long cable, including the sheath arranged on cable core, cable core, it is characterized in that, described cable core includes the packing material around several cores and core, core includes conductor 1, and described conductor is bare copper wire stranded conductor, tinned copper wire stranded conductor, silver-gilt copper wire stranded conductor or nickel-clad copper silk stranded conductor；Aluminum one polyethylene bonding sheath 2 is set outside conductor 1, hot sticky type resistant slide height mould enhancement Layer 3 is set outside aluminum one polyethylene bonding sheath 2, outside hot sticky type resistant slide height mould enhancement Layer 3, fluoroplastic polymer insulating barrier 4 is set, ceramic sulphurated siliastic band 5 is set outside cable core, outside ceramic sulphurated siliastic band 5, teflin tape 6 is set, polyimide composite film belting layer 7 is set outside teflin tape 6, polyimide composite film belting layer 7 arranges silver-plated Copper Foil belting layer 8, silver-bearing copper paper tinsel belting layer 8 arranges metal screen layer 9, cross-linking radiation ethylene-tetrafluoroethylene restrictive coating 10 is set outside metal screen layer 9.
The thickness of described fluoroplastic polymer insulating barrier 4 is 0.12-0.16mm.
The thickness 0.4-0.6mm of described cross-linking radiation ethylene-tetrafluoroethylene restrictive coating 10.
Described metal screen layer 9 is wire braid, and described tinsel is selected from bare copper wire, tinned copper wire, silver-gilt copper wire, nickel plating copper wire or pure nickel wire；
The count of described wire braid is not less than 85%, and angle of weave is 30 °～60 °.
The present invention has excellent electric property and physical and mechanical properties, resistance to cracking, wear-resisting, stable chemical performance, can run reliable and stablely, and have the features such as external diameter is little, lightweight within the scope of-65～200 DEG C.
The present invention in the case of a high temperature, does not decompose, and simultaneously under flame condition, does not burn, not carbonization, it is ensured that described cable is recyclable sabot after a procedure, reuses；It addition, have extraordinary anti-wear performance so that cable is not easily scratched in installation process, improve the reliability of cable itself so that the flexibility of cable itself is greatly improved, make installation, reclaim more convenient, quick.
The present invention has extraordinary chemical stability, resistance to various Aero-Space oil, liquid；Simple in construction, result of use is good.
It is described as far as to the scheme of embodiments of the invention above, but is not to be construed as limitations on claims.The present invention is not only limited to above example, and its concrete structure allows multiple change, as long as the change in claims is all within protection scope of the present invention.
Claims (5)
1. a space flight high-temperature flexible signal transmits long cable, including the sheath arranged on cable core, cable core, it is characterized in that, described cable core includes the packing material around several cores and core, core includes conductor (1), and described conductor is bare copper wire stranded conductor, tinned copper wire stranded conductor, silver-gilt copper wire stranded conductor or nickel-clad copper silk stranded conductor；Aluminum one polyethylene bonding sheath (2) is set outside conductor (1), hot sticky type resistant slide height mould enhancement Layer (3) is set outside aluminum one polyethylene bonding sheath (2), outside hot sticky type resistant slide height mould enhancement Layer (3), fluoroplastic polymer insulating barrier (4) is set, ceramic sulphurated siliastic band (5) is set outside cable core, teflin tape (6) is set outside ceramic sulphurated siliastic band (5), polyimide composite film belting layer (7) is set outside teflin tape (6), polyimide composite film belting layer (7) arranges silver-plated Copper Foil belting layer (8), silver-bearing copper paper tinsel belting layer (8) arranges metal screen layer (9), cross-linking radiation ethylene-tetrafluoroethylene restrictive coating (10) is set outside metal screen layer (9).
2. space flight high-temperature flexible signal according to claim 1 transmission long cable, is characterized in that, the thickness of described fluoroplastic polymer insulating barrier (4) is 0.12-0.16mm.
3. space flight high-temperature flexible signal according to claim 1 transmission long cable, is characterized in that, the thickness 0.4-0.6mm of described cross-linking radiation ethylene-tetrafluoroethylene restrictive coating (10).
4. space flight high-temperature flexible signal according to claim 1 transmission long cable, is characterized in that, described metal screen layer (9) is wire braid, and described tinsel is selected from bare copper wire, tinned copper wire, silver-gilt copper wire, nickel plating copper wire or pure nickel wire.
5. space flight high-temperature flexible signal according to claim 4 transmission long cable, is characterized in that, the count of described wire braid is not less than 85%, and angle of weave is 30 °～60 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610277145.5A CN105761802A (en) | 2016-04-30 | 2016-04-30 | High-temperature-resistant flexible signal transmission long-line cable for spaceflight |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610277145.5A CN105761802A (en) | 2016-04-30 | 2016-04-30 | High-temperature-resistant flexible signal transmission long-line cable for spaceflight |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105761802A true CN105761802A (en) | 2016-07-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610277145.5A Pending CN105761802A (en) | 2016-04-30 | 2016-04-30 | High-temperature-resistant flexible signal transmission long-line cable for spaceflight |
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| CN (1) | CN105761802A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117497232A (en) * | 2023-12-27 | 2024-02-02 | 源鑫线缆有限公司 | Fluoroplastic fireproof power cable |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5262592A (en) * | 1991-02-19 | 1993-11-16 | Champlain Cable Corporation | Filter line cable featuring conductive fiber shielding |
| US5473113A (en) * | 1992-09-22 | 1995-12-05 | Champlain Cable Corporation | Shielded wire and cable |
| CN102486949A (en) * | 2010-12-03 | 2012-06-06 | 上海特缆电工科技有限公司 | High temperature resistant flexible deintercalating/removing and signal transmission long line cable used for aerospace |
| CN204270676U (en) * | 2014-12-03 | 2015-04-15 | 淮南文峰航天电缆有限公司 | A kind of Aero-Space light electrical wire cable |
| CN204464430U (en) * | 2015-01-23 | 2015-07-08 | 中国电子科技集团公司第二十三研究所 | A kind of light-duty radio frequency coaxial-cable |
-
2016
- 2016-04-30 CN CN201610277145.5A patent/CN105761802A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5262592A (en) * | 1991-02-19 | 1993-11-16 | Champlain Cable Corporation | Filter line cable featuring conductive fiber shielding |
| US5473113A (en) * | 1992-09-22 | 1995-12-05 | Champlain Cable Corporation | Shielded wire and cable |
| CN102486949A (en) * | 2010-12-03 | 2012-06-06 | 上海特缆电工科技有限公司 | High temperature resistant flexible deintercalating/removing and signal transmission long line cable used for aerospace |
| CN204270676U (en) * | 2014-12-03 | 2015-04-15 | 淮南文峰航天电缆有限公司 | A kind of Aero-Space light electrical wire cable |
| CN204464430U (en) * | 2015-01-23 | 2015-07-08 | 中国电子科技集团公司第二十三研究所 | A kind of light-duty radio frequency coaxial-cable |
Non-Patent Citations (2)
| Title |
|---|
| 上海市电子电器技术协会: "《常用电工材料手册》", 31 October 1988 * |
| 李凤: "2014年中国消防协会防火材料分会与建筑防火专业委员会学术会议论文集", 《2014年中国消防协会防火材料分会与建筑防火专业委员会学术会议论文集》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117497232A (en) * | 2023-12-27 | 2024-02-02 | 源鑫线缆有限公司 | Fluoroplastic fireproof power cable |
| CN117497232B (en) * | 2023-12-27 | 2024-04-12 | 源鑫线缆有限公司 | Fluoroplastic fireproof power cable |
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Application publication date: 20160713 |
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| RJ01 | Rejection of invention patent application after publication |