CN202307214U - Special type high-temperature resistant composite insulation light cable - Google Patents
Special type high-temperature resistant composite insulation light cable Download PDFInfo
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- CN202307214U CN202307214U CN2011204016890U CN201120401689U CN202307214U CN 202307214 U CN202307214 U CN 202307214U CN 2011204016890 U CN2011204016890 U CN 2011204016890U CN 201120401689 U CN201120401689 U CN 201120401689U CN 202307214 U CN202307214 U CN 202307214U
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Abstract
The utility model relates to a special type high-temperature resistant composite insulation light cable which is characterized in that insulation core wires are sequentially lapped outside a conductor and are stranded into a beam, wherein each insulation core wire consists of an insulation layer and an outer insulation layer; and an inner protective layer is lapped, a shielding layer is woven and a jacket is press-wrapped sequentially outside the insulation core wires. A silver plating copper wire core is adopted specially for improving temperature grade; a modified polytetrafluoroethylene/polyimide cladded belt and a polytetrafluoroethylene raw material belt are adopted for resisting radiation and reducing weight of a cable; and a wear-resistant and radiation-resistant crosslinking ethylene-tetrafluoroethylene copolymer jacket is specially additionally provided for improving use property of the cable, thus the special type high-temperature resistant composite insulation light cable has the characteristics of light weight, radiation resistance, abrasion resistance, moisture resistance and the like.
Description
Technical field
The utility model relates to a kind of special high temperature-resistant compound inslation lightweight cable, is applicable to the signal transmission between each instrument and meter of aerospace flight vehicle control system.
Background technology
At present the wrapped type insulated wire cable of China all adopts polytetrafluoroethylene film because this film resistance to wear is relatively poor and receive radiation and be prone to decompose, only be applicable to fixedly lay and the environment in radiationless source in.In the space flight and aviation aircraft, because electric wire environment of living in, it is unavoidable receiving friction and radiation between the lead, so electric wire resistant to elevated temperaturesly also should have anti-irradiation, resistance to wear simultaneously having.
Summary of the invention
Deficiency in view of the prior art existence; The utility model provides a kind of special high temperature-resistant compound inslation lightweight cable that adopts new construction, new material; The stranded bunchy of three insulated heart yearns also extrudes the resistance to wear that sheath has improved cable; Simultaneously modified Teflon/polyimides composite band and cross-linked ethylene-TFE copolymer itself have the performance of anti-irradiation, so this cable has in light weight, anti-irradiation, outstanding properties such as wear-resisting, moisture resistance can be used for space industry.
The utility model is for realizing above-mentioned purpose; The technical scheme of being taked is: a kind of special high temperature-resistant compound inslation lightweight cable; It is characterized in that: the insulation heart yearn that is included in the outer wrapped successively layer insulating of conductor, one deck external insulation layer formation; Several said insulation heart yearns are twisted into bundle, outside it wrapped successively one deck sheath, braiding one deck screen, extrude one deck sheath.
The beneficial effect of the utility model is: for improving the special silver-plated copper core that adopts of temperature grade; For radiation hardness with reduce electric wire weight and adopt modified Teflon/polyimides composite band and polytetrafluoroethylraw raw material band as insulating material; For the serviceability spy who improves cable has increased wear-resisting and radiation-resistant cross-linked ethylene-TFE copolymer sheath.Have in light weight, anti-irradiation, characteristics such as wear-resisting, moisture resistance in a word.
Description of drawings
Fig. 1 is the utility model construction of cable schematic cross-section.
Embodiment
Shown in Fig. 1; Special high temperature-resistant compound inslation lightweight cable; Be included in the insulation heart yearn 1 of the outer wrapped successively layer insulating 1-2 of conductor 1-1, one deck external insulation layer 1-3 formation; Several said insulation heart yearn 1 stranded bunchys (the utility model is three insulated heart yearns 1), outside it wrapped successively one deck sheath 2, braiding one deck screen 3, extrude one deck sheath 4.Conductor 1-1 is the silver-plated copper core.Inner insulating layer 1-2 is modified Teflon/polyimides composite band.External insulation layer 1-3 is a polytetrafluoroethylraw raw material band.Sheath 2 is a polyester aluminium laminated film.Screen 3 is a silver-plated copper single line braid.Sheath 4 is cross-linked ethylene-TFE copolymer.
Its manufacturing approach comprises the following steps:
1, the manufacturing of insulation: insulation adopts modified Teflon/polyimides composite band and polytetrafluoroethylraw raw material band double wrap bag to form, and adopts characteristics such as this material has guaranteed that the electric wire external diameter is little, density is low, in light weight, radiation hardness.Through increasing the adjusting holddown spring, reduce the tension force of wrapped machine travel, thereby reach the mechanical damage that reduces in the wrapped process modified Teflon/polyimides composite band and polytetrafluoroethylraw raw material band at wrapped head place.
2, the processing of stranded cable: use laying up pitch precision is higher, the warping winch of tension adjustable, and insulated wire is twisted together, and makes the construction of cable more stable.
3, sheath processing: sheath adopts around-packing technology to make cable soft and compact more with wrapped the forming of polyester aluminium laminated film; Increased sheath, guaranteed after bending repeatedly, the wearing and tearing of not conductively-closed of insulated wire cores layer, thus improve product reliability.
4, screen processing: screen adopts silver-coated copper wire, adopts the multiply type of weave not only to increase flexibility, and has reduced external diameter, and high count has strengthened the anti-outside electromagnetic interference ability of cable.
5, the processing of sheath: sheath adopts cross-linked ethylene-TFE copolymer material, extrudes through high temperature to be coated on outside the screen.
Claims (3)
1. special high temperature-resistant compound inslation lightweight cable; It is characterized in that: the insulation heart yearn (1) that is included in the outer wrapped successively layer insulating (1-2) of conductor (1-1), one deck external insulation layer (1-3) formation; The stranded bunchy of several said insulation heart yearns (1), outside it wrapped successively one deck sheath (2), the braiding one deck screen (3), extrude one deck sheath (4).
2. special high temperature-resistant compound inslation lightweight cable according to claim 1 is characterized in that: said sheath (2) is a polyester aluminium laminated film.
3. special high temperature-resistant compound inslation lightweight cable according to claim 1 is characterized in that: said sheath (4) is cross-linked ethylene-TFE copolymer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204016890U CN202307214U (en) | 2011-10-20 | 2011-10-20 | Special type high-temperature resistant composite insulation light cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204016890U CN202307214U (en) | 2011-10-20 | 2011-10-20 | Special type high-temperature resistant composite insulation light cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202307214U true CN202307214U (en) | 2012-07-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204016890U Expired - Fee Related CN202307214U (en) | 2011-10-20 | 2011-10-20 | Special type high-temperature resistant composite insulation light cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202307214U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103390449A (en) * | 2013-07-25 | 2013-11-13 | 广州凯恒特种电线电缆有限公司 | Heat-resistant seamless lapped aviation cable and preparation method thereof |
| CN103390453A (en) * | 2013-07-29 | 2013-11-13 | 江苏通光电子线缆股份有限公司 | Light anti-jamming cable and preparation method thereof |
| CN104392774A (en) * | 2014-11-21 | 2015-03-04 | 安徽顺驰电缆有限公司 | High strength light cable for aerospace use |
| CN104812819A (en) * | 2012-10-29 | 2015-07-29 | 三品高性能塑料制品控股公司 | Cable comprising a ptfe coating |
| CN109935418A (en) * | 2017-12-15 | 2019-06-25 | 湖南华菱线缆股份有限公司 | Structure and preparation method of ultra-light data bus cable for aerospace |
| CN112309628A (en) * | 2020-09-27 | 2021-02-02 | 新亚特电缆股份有限公司 | Cable for nuclear power station |
-
2011
- 2011-10-20 CN CN2011204016890U patent/CN202307214U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104812819A (en) * | 2012-10-29 | 2015-07-29 | 三品高性能塑料制品控股公司 | Cable comprising a ptfe coating |
| CN103390449A (en) * | 2013-07-25 | 2013-11-13 | 广州凯恒特种电线电缆有限公司 | Heat-resistant seamless lapped aviation cable and preparation method thereof |
| CN103390449B (en) * | 2013-07-25 | 2016-04-27 | 广州凯恒特种电线电缆有限公司 | Seamless wrapped Aviation cable of a kind of high-temperature insulation and preparation method thereof |
| CN103390453A (en) * | 2013-07-29 | 2013-11-13 | 江苏通光电子线缆股份有限公司 | Light anti-jamming cable and preparation method thereof |
| CN104392774A (en) * | 2014-11-21 | 2015-03-04 | 安徽顺驰电缆有限公司 | High strength light cable for aerospace use |
| CN109935418A (en) * | 2017-12-15 | 2019-06-25 | 湖南华菱线缆股份有限公司 | Structure and preparation method of ultra-light data bus cable for aerospace |
| CN112309628A (en) * | 2020-09-27 | 2021-02-02 | 新亚特电缆股份有限公司 | Cable for nuclear power station |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120704 Termination date: 20121020 |