CN209103840U - A kind of aerospace lightweight cable - Google Patents
A kind of aerospace lightweight cable Download PDFInfo
- Publication number
- CN209103840U CN209103840U CN201822274231.8U CN201822274231U CN209103840U CN 209103840 U CN209103840 U CN 209103840U CN 201822274231 U CN201822274231 U CN 201822274231U CN 209103840 U CN209103840 U CN 209103840U
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- conductor
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Abstract
The utility model discloses a kind of aerospace lightweight cables, cable includes conductor, the conductor is single or multiple, the conductor is that aluminium alloy monofilament is twisted or copper clad aluminum monofilament is twisted, the conductor periphery is equipped with insulating layer, the insulating layer includes polyimides composite band and PTFE raw material band, and the insulating layer is handled through special process, and surface is smooth.The weight of the utility model mitigation wire and cable, meet the light-weighted demand of aerospace field cable system, surface smooth abrasion-proof, it is excellent in order to mounting and installation and aerospace environment radiation resistance, vacuum ease gas and particular/special requirements such as material pernicious gas content are small to can satisfy high-low temperature resistant, the electric arc of resistance to dry and wet, mechanical performance simultaneously.
Description
Technical field
The utility model relates to cable for aerospace, especially a kind of aerospace lightweight cable.
Background technique
With the increasingly complexity of aerospace equipment function, power is continuously increased and the payload of aerospace vehicle
Function and requirement are continuously improved, and cause the heat consumption of cable system to increase, the information of transmission is also multiplied.With military communication, electricity
Effective application of the load such as sub- scouting, navigation, early warning, also very to the lightweight of aerospace vehicle cable system, small form factor requirements
Urgently.The weight accounting of conductor and shielded layer metal material in wire and cable is maximum, using lightweight conductive metal material (such as aluminium
Alloy or copper clad aluminum) the braiding monofilament (such as silver-plated aramid fiber yarn) that mixes as conductor and metal/non-metal can achieve loss of weight
Purpose.
Summary of the invention
Aiming at the problems existing in the prior art, the utility model provides a kind of weight of mitigation wire and cable, meets
The light-weighted demand of aerospace field cable system, surface smooth abrasion-proof, at the same can satisfy high-low temperature resistant, the electric arc of resistance to dry and wet,
Mechanical performance is excellent in order to which mounting and installation and aerospace environment radiation resistance, vacuum ease gas and material pernicious gas content are small
Etc. particular/special requirements cable.
The purpose of this utility model is achieved through the following technical solutions.
A kind of aerospace lightweight cable, including conductor, the conductor be it is single or multiple, the conductor be aluminium close
Golden monofilament is twisted or copper clad aluminum monofilament is twisted, and the conductor periphery is equipped with insulating layer, and the insulating layer includes that polyimides is compound
Band and PTFE raw material band, the surface of insulating layer are smooth.
The insulating layer periphery is equipped with shielded layer, is woven with silver-plated aramid fiber yarn in the shielded layer.
The shielding layer periphery is equipped with restrictive coating, and the restrictive coating includes polyimides composite band and PTFE raw material band.
Compared with the prior art, utility model has the advantages that (1) is light-weight: using aluminium alloy or copper clad aluminum conductor
Instead of conventional copper conductor, is woven using silver-plated aramid fiber yarn and conventional copper monofilament is replaced to weave, enable to wire and cable weight
More common copper conductor and the wire and cable of ordinary copper monofilament braiding mitigate 40% or more.
(2) insulating surface is smooth: surface smoothness is less than 10%.
(3) high-low temperature resistant: wire and cable can be used for a long time at -65 DEG C~+180 DEG C.
(4) radiation resistance: the radiation resistance accumulated dose of product reaches as high as 5 × 106rad。
(5) resistance to dry, wet electric arc: after test, at least sum should be resistance in any beam by Inundate Voltage Experiment for 64 electric wires
For the electric wire of voltage test failure no more than 3,76.0mm is not to be exceeded in the length actually destroyed in any electric wire.
(6) vacuum-resistant ease gas: the total mass loss (TML)≤1% of insulating materials can agglomerate volatile matter (CVCM)≤0.1%.
Detailed description of the invention
Fig. 1 is the production flow diagram of the utility model.
Fig. 2 is the utility model single core cable structural schematic diagram.
Fig. 3 is for the utility model multicore without shielding without jacketed cable structural schematic diagram.
Fig. 4 is that the utility model single band shields band jacketed cable structural schematic diagram.
Fig. 5-7 is that the utility model multicore band shields band jacketed cable structural schematic diagram.
In figure: 1- conductor；2- insulating layer；3- shielded layer；4- restrictive coating.
Specific embodiment
With reference to the accompanying drawings of the specification and specific embodiment, the utility model is described in detail.
As shown in Figure 1, conductor is to carry out concentric type on wire and cable bundle strand machine with multiply aluminium alloy or copper clad aluminum monofilament
It is made by twisting；
Insulating layer uses high-precision lapping equipment, by select suitable width and thickness polyimides composite band and
PTFE raw material band is wrapped on lapping equipment, then handles, is most made after agglomerating plant is sintered afterwards smooth by special process
Type wrapping insulation layer；
Shielded layer uses silver-plated aramid fiber yarn, and bidirectional crossed braiding is carried out on braider and is made；
Restrictive coating uses high-precision lapping equipment, by select suitable width and thickness polyimides composite band and
PTFE raw material band is wrapped on lapping equipment, and restrictive coating is made after agglomerating plant is sintered.
As shown in Figures 2 and 3, aerospace lightweight aluminium alloy or the silver-plated virtue of copper clad aluminum conductor polyimide composite insulated
Synthetic fibre silk braid shielded smooth type wire and cable, it is characterized in that single or multicore (aluminium alloy or copper clad aluminum conductor), the single
Electric wire has a conductor 1, and conductor 1 is twisted using aluminium alloy or copper clad aluminum conductor, the periphery of conductor 1 be using high-precision around
The wrapped polyimides composite band of chartered plane and PTFE raw material band keep its smooth flat insulation progress special process processing after wrapped
It is whole, smooth type insulating layer 2 made of being most sintered afterwards through agglomerating plant；The single or multicore cable, conductor 1 use aluminium alloy
Or copper clad aluminum conductor is twisted, the periphery of conductor 1 is raw using the wrapped polyimides composite band of high-precision winding machine and PTFE
Material strip keeps its smooth insulation progress special process processing after wrapped, light made of being most sintered afterwards through agglomerating plant
Slip insulating layer 2, as shown in figs. 4-7, the periphery of insulating layer 2 be using silver-plated aramid fiber yarn on braider it is bidirectional crossed braiding and
At shielded layer 3, the periphery of shielded layer 3 is using the wrapped polyimides composite band of high-precision winding machine and PTFE raw material band and to pass through
Restrictive coating 4 made of agglomerating plant sintering.
Claims (3)
1. a kind of aerospace lightweight cable, it is characterised in that including conductor, the conductor be it is single or multiple, it is described to lead
Body is that aluminium alloy monofilament is twisted or copper clad aluminum monofilament is twisted, and the conductor periphery is equipped with insulating layer, and the insulating layer includes polyamides
Imines composite band and PTFE raw material band, the surface of insulating layer are smooth.
2. a kind of aerospace lightweight cable according to claim 1, it is characterised in that the insulating layer periphery is set
There is shielded layer, silver-plated aramid fiber yarn is woven in the shielded layer.
3. a kind of aerospace lightweight cable according to claim 2, it is characterised in that the shielding layer periphery is set
There is restrictive coating, the restrictive coating includes polyimides composite band and PTFE raw material band.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822274231.8U CN209103840U (en) | 2018-12-29 | 2018-12-29 | A kind of aerospace lightweight cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822274231.8U CN209103840U (en) | 2018-12-29 | 2018-12-29 | A kind of aerospace lightweight cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209103840U true CN209103840U (en) | 2019-07-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822274231.8U Active CN209103840U (en) | 2018-12-29 | 2018-12-29 | A kind of aerospace lightweight cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209103840U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109727708A (en) * | 2018-12-29 | 2019-05-07 | 南京全信传输科技股份有限公司 | A kind of aerospace lightweight cable and preparation method thereof |
-
2018
- 2018-12-29 CN CN201822274231.8U patent/CN209103840U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109727708A (en) * | 2018-12-29 | 2019-05-07 | 南京全信传输科技股份有限公司 | A kind of aerospace lightweight cable and preparation method thereof |
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