CN105280273A - Light composite aerospace cable - Google Patents
Light composite aerospace cable Download PDFInfo
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- CN105280273A CN105280273A CN201510783295.9A CN201510783295A CN105280273A CN 105280273 A CN105280273 A CN 105280273A CN 201510783295 A CN201510783295 A CN 201510783295A CN 105280273 A CN105280273 A CN 105280273A
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- insulating layer
- inner insulating
- cable
- cable body
- aero
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Abstract
The invention discloses a light composite aerospace cable. The light composite aerospace cable includes a cable body, wherein the cable body includes conductors and internal insulating layers; the cross section of the cable body is a circular structure; a plurality of conductors are arranged in the cable body; each conductor is wrapped with an internal insulating layer tightly; each internal insulating layer is wrapped with an external insulating layer tightly; and one sealing layer is arranged between each internal insulating layer and each external insulating layer. The light composite aerospace cable has the advantages of being reasonable in structural design, being small in external diameter and being long in service life.
Description
Technical field
The present invention relates to field of cables, particularly relate to a kind of light-duty compound Aero-Space cable.
Background technology
As everyone knows, the high-end aerospace wire used at present has two large classes: a class is XETFE insulated conductor, has individual layer extruded insulation, but is more double-deck extruded insulation, carries out high-energy ray irradiation and be cross-linked after extruding, and forms XETFE insulation aviation aerospace wire.Another kind of is first wrapped PI laminated film, the combined insulation of rear wrapped PTFE raw material band, then merges through high temperature sintering, forms PI compound inslation aerospace wire.Two class wires respectively have superiority and deficiency, its performance is not in full conformity with Aero-Space high performance requirements, and XETFE insulated conductor mechanical strength is little, cracking resistance and anti-cutting performance poor, temperature resistant grade-65 DEG C ~+200 DEG C temperature, double hyer insulation thickness reaches 0.25 ~ 0.35mm.And PI film insulated wires is due to the not arc of resistance to string, not resistance to oxygen atom, not humidity, not hydrolysis, low-temperature bending poor performance and can not separately for Aero-Space, wrapped PTFE raw material band composite insulation structure need be adopted, though temperature resistant grade reaches-65 DEG C ~+260 DEG C temperature, but insulation thickness also reaches 0.22 ~ 0.30mm, and PTFE material radiation-resistant property is poor, at the easy season cracking in high-altitude etc.Along with the development of aeronautical and space technology, their weak point is also obvious all the more, is therefore improving constantly on aerospace wire high-performance high reliability basis, and further weight reduction, reduction external diameter are aerospace wire inevitable requirements, are also development trends.
Summary of the invention
In order to overcome the defect of above-mentioned prior art, the object of this invention is to provide a kind of light-duty compound Aero-Space cable.
The present invention takes following technical scheme to realize: a kind of light-duty compound Aero-Space cable, and it comprises cable body, and described cable body comprises conductor and inner insulating layer, and described cable body cross section is circular configuration; And described cable body inside is provided with many conductors; Described conductor closely extrudes one deck inner insulating layer outward; Described inner insulating layer closely extrudes one deck external insulation layer outward; And between described inner insulating layer and external insulation layer, one deck sealant is set.
Above-mentioned one light-duty compound Aero-Space cable, described conductor is that multiply zinc-plated or silver-plated copper conductor bundle strand forms.
Above-mentioned one light-duty compound Aero-Space cable, to be that compound PI film overlay is wrapped form described inner insulating layer, and described inner insulating layer thickness is 0.06mm.
Above-mentioned one light-duty compound Aero-Space cable, described external insulation layer is that XETFE material extrudes inner insulating layer surface and forms.
The present invention has following beneficial effect in sum: the present invention has the advantages such as the little and long service life of reasonable in design, external diameter, to be that compound PI film overlay is wrapped make described inner insulating layer, make cable body inside between layers strong bond, can not peel off, change simple PI Transposed wind non-caked between layers, overcome the defect of simple PI the Transposed wind not arc of resistance to string, not humidity, not hydrolysis, not resistance to oxygen atom, low-temperature bending poor performance, make cable body internal structure more stable.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Wherein: 1, conductor; 2, inner insulating layer; 3, external insulation layer; 4, cable body; 5, sealant.
Embodiment
As shown in Figure 1, a kind of light-duty compound Aero-Space cable, it comprises cable body 4, and described cable body 4 comprises conductor 1 and inner insulating layer 2, and described cable body 4 cross section is circular configuration; And described cable body 4 inside is provided with many conductors 1; Described conductor 1 is outer closely extrudes one deck inner insulating layer 2; Described inner insulating layer 2 is outer closely extrudes one deck external insulation layer 3; And between described inner insulating layer 2 and external insulation layer 3, one deck sealant 5 is set.
Described conductor 1, for multiply is zinc-plated or silver-plated copper conductor bundle strand forms, not only increases the current capacity of cable body 4, and makes conductor 1 have higher intensity, can not occur situation about rupturing because of external force; Described inner insulating layer 2 is made for compound PI film overlay is wrapped, make cable body 4 inside between layers strong bond, can not peel off, change simple PI Transposed wind non-caked between layers, overcome the defect of simple PI the Transposed wind not arc of resistance to string, not humidity, not hydrolysis, not resistance to oxygen atom, low-temperature bending poor performance, make cable body 4 internal structure more stable; Described external insulation layer 3 forms for XETFE material extrudes inner insulating layer 2 surface, make cable body 4 have resistance to various chemical solution, the characteristic of non-fusible not pyrocondensation of burning, fully demonstrate these best performer group by process optimization to close, the microlight-type compound aerospace wire that forming property is more excellent, reliability is higher; Described sealant 5 makes strong bond between inner insulating layer and external insulation layer 3, form indissociable composite insulation layer, compensate for the problem of cable body 4 internal structure sealing deficiency, substantially increase product reliability, from existing compound inslation be separable have essence different.
The above is embodiments of the invention, therefore all equivalences done according to structure, feature and the principle described in the present patent application scope change or modify, and are included in patent claim of the present invention.
Claims (4)
1. a light-duty compound Aero-Space cable, it comprises cable body, and described cable body comprises conductor and inner insulating layer, it is characterized in that: described cable body cross section is circular configuration; And described cable body inside is provided with many conductors; Described conductor closely extrudes one deck inner insulating layer outward; Described inner insulating layer closely extrudes one deck external insulation layer outward; And between described inner insulating layer and external insulation layer, one deck sealant is set.
2. one according to claim 1 light-duty compound Aero-Space cable, is characterized in that: described conductor is that multiply zinc-plated or silver-plated copper conductor bundle strand forms.
3. one according to claim 1 light-duty compound Aero-Space cable, is characterized in that: to be that compound PI film overlay is wrapped form described inner insulating layer, and described inner insulating layer thickness is 0.06mm.
4. one according to claim 1 light-duty compound Aero-Space cable, is characterized in that: described external insulation layer is that XETFE material extrudes inner insulating layer surface and forms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510783295.9A CN105280273A (en) | 2015-11-16 | 2015-11-16 | Light composite aerospace cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510783295.9A CN105280273A (en) | 2015-11-16 | 2015-11-16 | Light composite aerospace cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105280273A true CN105280273A (en) | 2016-01-27 |
Family
ID=55149133
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510783295.9A Pending CN105280273A (en) | 2015-11-16 | 2015-11-16 | Light composite aerospace cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105280273A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102723136A (en) * | 2012-06-07 | 2012-10-10 | 广州凯恒特种电线电缆有限公司 | Stripe marked polyimide composite film wire and cable for aerospace and preparation process thereof |
| CN202839022U (en) * | 2012-04-25 | 2013-03-27 | 安徽宏源特种电缆集团有限公司 | Polyimide cable for aerospace |
| CN203895133U (en) * | 2014-03-28 | 2014-10-22 | 芜湖航飞科技股份有限公司 | Irradiation crosslinking ETFE insulation composite installation wire for aerospace |
| CN104392778A (en) * | 2014-11-21 | 2015-03-04 | 安徽顺驰电缆有限公司 | Novel composite assembly line |
| CN205140545U (en) * | 2015-11-16 | 2016-04-06 | 安徽光复电缆有限公司 | Light -duty compound aerospace cable |
-
2015
- 2015-11-16 CN CN201510783295.9A patent/CN105280273A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202839022U (en) * | 2012-04-25 | 2013-03-27 | 安徽宏源特种电缆集团有限公司 | Polyimide cable for aerospace |
| CN102723136A (en) * | 2012-06-07 | 2012-10-10 | 广州凯恒特种电线电缆有限公司 | Stripe marked polyimide composite film wire and cable for aerospace and preparation process thereof |
| CN203895133U (en) * | 2014-03-28 | 2014-10-22 | 芜湖航飞科技股份有限公司 | Irradiation crosslinking ETFE insulation composite installation wire for aerospace |
| CN104392778A (en) * | 2014-11-21 | 2015-03-04 | 安徽顺驰电缆有限公司 | Novel composite assembly line |
| CN205140545U (en) * | 2015-11-16 | 2016-04-06 | 安徽光复电缆有限公司 | Light -duty compound aerospace cable |
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Legal Events
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160127 |