CN207302690U - A kind of cable for aerospace - Google Patents
A kind of cable for aerospace Download PDFInfo
- Publication number
- CN207302690U CN207302690U CN201721167751.8U CN201721167751U CN207302690U CN 207302690 U CN207302690 U CN 207302690U CN 201721167751 U CN201721167751 U CN 201721167751U CN 207302690 U CN207302690 U CN 207302690U
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- China
- Prior art keywords
- cable
- layer
- wrapped
- polytetrafluoroethylene film
- aerospace
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Abstract
The utility model discloses a kind of cable for aerospace, including insulated wire cores and restrictive coating, it is characterised in that：The insulated wire cores are equipped with insulating layer, and the insulating layer is using polytetrafluoroethylene film is wrapped, insulated single wire is made in sintering；The insulated single wire is externally provided with single line shielded layer, and the more insulated single wires for being equipped with single line shielded layer, which are arranged in restrictive coating, forms cable；The restrictive coating includes inner insulating layer, external insulation layer, cable shield and protective layer successively from inside to outside; the inner insulating layer is formed using Kapton is wrapped; the external insulation layer is made up using two layers of polytetrafluoroethylene film of wrapped, sintering; two layers polytetrafluoroethylene film around on the contrary, the wrapping angle of two layers of polytetrafluoroethylene film is 30~50 °.Possesses special flexible nature, light-weight, radius bend is small, steady signal transmission, shield effectiveness are good.The utility model is simple in structure, and production material is simple, there is very big economic benefit.
Description
Technical field
It the utility model is related to a kind of field of cable technology, and in particular to a kind of cable for aerospace.
Background technology
With developing rapidly for Power Electronic Technique, military project, communication, aerospace requirement convey electricity under harsh environment
The high reliability cable of information etc., can be transmitted.Traditional cable pliability is low, radius bend is big.It can not meet the market demand.
Aerospace is mainly wrapped using polytetrafluoroethylene film with the insulating layer of polytetrafluoroethylene film winding wire at present
Put up, therefore put up insulating thin layer to produce micro gap during use is frequently bended, therefore influence product and use the longevity
Life and security reliability.With the development of aeronautical and space technology, the security performance of the electric wire being used for, bending property,
The index requests such as insulation performance are higher and higher, and current polytetrafluoroethylene film winding wire has been difficult to meet its requirement.
Air communications cable is the key components of aircraft wiring system, security to aircraft communication Transmission system,
Reliability has important influence.The damage of electric wire insulation layer can cause copper conductor core expose, and then cause electric arc, short circuit with
And the problems such as electromagnetic radiation and interference, cause aircraft wiring system failure.It is electrified with the raising of modern aircraft comprehensive performance
Degree is higher and higher, and the dosage of communication cable also increases substantially, and also increasingly harsher to the performance requirement of electric wire.
The electric wire for being used in aerospace at present mainly uses copper-beryllium core conductor, for aerospace field to communication
The particular/special requirement of cable is, it is necessary to develop product signal transporting, shielding properties and mechanical performance more preferably product, to ensure to navigate
Empty space equipment normal operation in particular surroundings.
Utility model content
The purpose of this utility model is to overcome the shortage of prior art, and it is an object of the present invention to provide a kind of aerospace
Cable, solve existing Aviation cable electric energy is conveyed under harsh environment, the reliability of transmitting information etc. it is low；And cable pliability
It is low, radius bend is big；The problem of can not meet the market demand.
The utility model is achieved through the following technical solutions：
A kind of cable for aerospace, including insulated wire cores and restrictive coating, it is characterised in that：The insulated wire cores are equipped with exhausted
Edge layer, the insulating layer using polytetrafluoroethylene film it is wrapped, sintering insulated single wire is made；The outer layer of the insulated single wire is equipped with
Single line shielded layer, the more insulated single wires for being equipped with single line shielded layer, which are arranged in restrictive coating, forms cable；
The restrictive coating includes inner insulating layer, external insulation layer, cable shield and protective layer successively from inside to outside, described interior
Insulating layer is formed using Kapton is wrapped, and the external insulation layer passes through wrapped, burning using two layers of polytetrafluoroethylene film
Knot is made, two layers polytetrafluoroethylene film around on the contrary, the wrapping angle of two layers of polytetrafluoroethylene film is 30~50 °.
Further, the single line shielded layer is formed using the braiding of silver-plated circular copper wire.
Further, 16 insulated single wires for carrying single line shielded layer are equipped with the restrictive coating.
Further, tetrafluoro emulsion coating is coated outside the polytetrafluoroethylene film of the insulating layer.
Further, tetrafluoro emulsion coating is coated outside the outer layer polytetrafluoroethylene film of the external insulation layer.
Further, the cable shield is formed using the braiding of silver-plated circular copper wire.
Further, the protective layer extrudes one layer of FEP protective layer, or extrudes layer of polyethylene protective layer.
Further, the thickness of the Kapton is 0.04~0.06mm, and width is 20mm~60mm.
Further, the wrapping angle of the Kapton is 30~50 °, and wrapped cap rate is 20%-75%.
Further, the thickness of the polytetrafluoroethylene film is 0.020~0.060mm, width is 10~100mm, hole
Footpath is between 0.005~3 μm, porosity is 65%~95% and tensile strength >=20MPa.
The utility model compared with prior art, has the following advantages and advantages：
1st, a kind of cable for aerospace of the utility model, possesses special flexible nature, light-weight, radius bend is small, transmission
Signal stabilization, shield effectiveness are good.The configuration of the present invention is simple, production material is simple, there is very big economic benefit；
2nd, a kind of cable for aerospace of the utility model, resistance to bend(ing) are good：Conductor uses the plating of filament diameter 0.08mm
Silver-copper wire fine pith is twisted, compact-sized resistant to bending；Insulating layer applies tetrafluoro outside using seamless wrapped polytetrafluoroethylene film
Emulsion coating, put up between film it is close apply after tetrafluoro emulsion coating that frequently gap will not loosely occur in bending outside, improve this
The resistance to bend(ing) of product；
Humidity chemically-resistant is solvent impregnated：Insulating materials has the excellent solvent impregnated performance of humidity chemically-resistant in itself,
After four fluorine emulsions sintering is coated outside insulating layer, it is stronger that tetrafluoroethene thin dielectric film puts up place's leakproofness, four fluorine emulsions of coating
True qualities also have the excellent solvent impregnated performance of humidity chemically-resistant so that the solvent impregnated property of humidity chemically-resistant of electric wire is more
It is good；
It is light-weight, outside diameter is small：Insulating layer uses ultra-thin materials in itself, and four fluorine emulsion occupied spaces of outer coating are few, with
The basic indifference of origin wire weight, outside diameter；Insulation performance strengthens：Insulating materials has excellent insulation resistance performance in itself, absolutely
After four fluorine emulsions sintering is coated outside edge layer, four fluorine emulsion true qualities of coating also have excellent insulation resistance performance so that electric wire
Insulation resistance performance it is more preferable；
3rd, a kind of cable for aerospace of the utility model, product is being kept with relatively soft, high-low temperature resistant, radiation hardness
While with the advantages that small, light weight, big intensity, aerospace and the electric appliance instrument of other industrial circles can be better met
The connection of table equipment, the maintenance for circuit of being more convenient for.
Brief description of the drawings
Attached drawing described herein is used for providing further understanding the utility model embodiment, forms the one of the application
Part, does not form the restriction to the utility model embodiment.In the accompanying drawings：
Fig. 1 is a kind of structure diagram of cable for aerospace of the utility model；
Mark and corresponding parts title in attached drawing：
1- insulated wire cores, 2- restrictive coatings, 3- insulating layers, 4- single line shielded layers, 5- inner insulating layers, 6- external insulation layers, 7- electricity
Cable shielded layer, 8- protective layers, 9- flame-retardant strips.
Embodiment
For the purpose of this utility model, technical solution and advantage is more clearly understood, with reference to embodiment and attached drawing,
The utility model is described in further detail, and the exemplary embodiment and its explanation of the utility model are only used for explaining this
Utility model, is not intended to limit the scope of the present invention.
Embodiment 1
As shown in Figure 1, a kind of cable for aerospace of the utility model, including insulated wire cores 1 and restrictive coating 2, its feature
It is：The insulated wire cores 1 are externally provided with insulating layer 3, and the use of insulating layer 3 polytetrafluoroethylene film is wrapped, sintering is made absolutely
Edge single line；The insulated single wire is externally provided with single line shielded layer 4, and single line shielded layer 4 is formed using the braiding of silver-plated circular copper wire, and more set
The insulated single wire for having single line shielded layer 4, which is arranged in restrictive coating 2, forms cable.
Restrictive coating 2 includes inner insulating layer 5, external insulation layer 6, cable shield 7 and protective layer 8 successively from inside to outside, described
Inner insulating layer 5 is formed using Kapton is wrapped, the external insulation layer 6 using two layers of polytetrafluoroethylene film by around
Bag, sintering are made, two layers polytetrafluoroethylene film around on the contrary, for example, internal layer polytetrafluoroethylene film using positive wrapped,
Outer layer is just using reversely wrapped, and by this around packet mode, frequently gap, two layers of polytetrafluoro will not loosely occur to cable in bending
The wrapping angle of vinyl film is 30~50 °, and the wrapping angle of two layers of polytetrafluoroethylene film need to be identical.
The utility model can manufacture to obtain by following technical process：The insulated wire that the thin silver-gilt copper wire of multiply is twisted
Core 1；The polytetrafluoroethylene film twining package tape accurately cut, after-combustion is into disk；Seamless wrapped polytetrafluoroethylene (PTFE) is thin outside stranded conductor
Film；Tetrafluoro aqueous emulsion coating is coated outside polytetrafluoroethylene film lapping layer, insulating layer is carried out using advanced agglomerating plant
Sintering, makes polytetrafluoroethylene film lapping layer be adhered completely with tetrafluoro aqueous emulsion coating between putting up, forms the sky being fully sealed
Between；Silver-gilt copper wire shielded layer is woven using high-speed knitter；Extrude one layer of FEP or polyethylene protective layer outside.
A kind of cable for aerospace of the utility model, possesses special flexible nature, light-weight, radius bend is small, transmission letter
Number stabilization, shield effectiveness are good.The configuration of the present invention is simple, production material is simple, there is very big economic benefit.
Embodiment 2
As shown in Figure 1, a kind of cable for aerospace of the utility model, on the basis of embodiment 1, single line shielded layer 4
Formed using the braiding of silver-plated circular copper wire.16 insulated single wires for carrying single line shielded layer 4 are equipped with restrictive coating 2.Z-direction is pressed by single line
16 core cables are made in stranding, and cable shield 7 is formed using the braiding of silver-plated circular copper wire.
Embodiment 3
As shown in Figure 1, a kind of cable for aerospace of the utility model, on the basis of embodiment 1, insulating layer 3 gathers
Tetrafluoro emulsion coating is coated outside tetrafluoroethene film.Four fluorine emulsions are coated outside the outer layer polytetrafluoroethylene film of external insulation layer 6 to apply
Layer.
A kind of cable for aerospace of the utility model, resistance to bend(ing) are good：Conductor is silver-plated using filament diameter 0.08mm's
Copper wire fine pith is twisted, compact-sized resistant to bending；Insulating layer applies tetrafluoro breast outside using seamless wrapped polytetrafluoroethylene film
Liquid coating, put up between film it is close apply after tetrafluoro emulsion coating that frequently gap will not loosely occur in bending outside, improve this product
Resistance to bend(ing)；
Humidity chemically-resistant is solvent impregnated：Insulating materials has the excellent solvent impregnated performance of humidity chemically-resistant in itself,
After four fluorine emulsions sintering is coated outside insulating layer, it is stronger that tetrafluoroethene thin dielectric film puts up place's leakproofness, four fluorine emulsions of coating
True qualities also have the excellent solvent impregnated performance of humidity chemically-resistant so that the solvent impregnated property of humidity chemically-resistant of electric wire is more
It is good；
It is light-weight, outside diameter is small：Insulating layer uses ultra-thin materials in itself, and four fluorine emulsion occupied spaces of outer coating are few, with
The basic indifference of origin wire weight, outside diameter；Insulation performance strengthens：Insulating materials has excellent insulation resistance performance in itself, absolutely
After four fluorine emulsions sintering is coated outside edge layer, four fluorine emulsion true qualities of coating also have excellent insulation resistance performance so that electric wire
Insulation resistance performance it is more preferable.
Embodiment 4
As shown in Figure 1, a kind of cable for aerospace of the utility model, on the basis of embodiment 1, protective layer 8 extrudes
One layer of FEP protective layer, or the layer of polyethylene protective layer extruded.
The thickness of Kapton is 0.04~0.06mm, and width is 20mm~60mm.
The wrapping angle of Kapton is 30~50 °, and wrapped cap rate is 20%-75%.
The thickness of polytetrafluoroethylene film is 0.020~0.060mm, width is 10~100mm, aperture is at 0.005~3 μm
Between, porosity be 65%~95% and tensile strength >=20MPa.
The thickness of polytetrafluoroethylene film is 0.080mm, and width 100mm, wrapping angle is 40 °, and wrapped cap rate is
65%.
Embodiment 5
As shown in Figure 1, a kind of cable for aerospace of the utility model, on the basis of embodiment 1, in order to improve aviation
The fire resistance of cable for spaceflight, flame-retardant strip 9 can be equipped with the circular center of a plurality of insulated core, is wrapped in flame-retardant strip 9
It is wrapped with the metal hydrate flame-retardant filler containing the crystallization water.
Above-described embodiment, the purpose of this utility model, technical solution and beneficial effect have been carried out into
One step describes in detail, it should be understood that the foregoing is merely specific embodiment of the present utility model, is not used to limit
Determine the scope of protection of the utility model, where within the spirit and principles of the present invention, any modification for being made, equally replace
Change, improve, should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of cable for aerospace, including insulated wire cores (1) and restrictive coating (2), it is characterised in that：The insulated wire cores
(1) it is externally provided with insulating layer (3), the insulating layer (3) is using polytetrafluoroethylene film is wrapped, insulated single wire is made in sintering；It is described
The outer layer of insulated single wire is equipped with single line shielded layer (4), and the more insulated single wires for being equipped with single line shielded layer (4) are arranged on restrictive coating
(2) cable is formed in；
The restrictive coating (2) includes inner insulating layer (5), external insulation layer (6), cable shield (7) and protection successively from inside to outside
Layer (8), the inner insulating layer (5) form using Kapton is wrapped, and the external insulation layer (6) uses two layers of polytetrafluoroethyl-ne
Alkene film is made up of wrapped, sintering, two layers polytetrafluoroethylene film around on the contrary, two layers polytetrafluoroethylene film it is wrapped
Angle is 30~50 °.
A kind of 2. cable for aerospace according to claim 1, it is characterised in that：The single line shielded layer (4) uses
Silver-plated circular copper wire braiding forms.
A kind of 3. cable for aerospace according to claim 1, it is characterised in that：16 are equipped with the restrictive coating (2)
Root carries the insulated single wire of single line shielded layer (4).
A kind of 4. cable for aerospace according to claim 1, it is characterised in that：The polytetrafluoro of the insulating layer (3)
Tetrafluoro emulsion coating is coated outside vinyl film.
A kind of 5. cable for aerospace according to claim 1, it is characterised in that：The outer layer of the external insulation layer (6)
Tetrafluoro emulsion coating is coated outside polytetrafluoroethylene film.
A kind of 6. cable for aerospace according to claim 1, it is characterised in that：The cable shield (7) uses
Silver-plated circular copper wire braiding forms.
A kind of 7. cable for aerospace according to claim 1, it is characterised in that：The protective layer (8) extrude one
Layer FEP protective layers, or the layer of polyethylene protective layer extruded.
A kind of 8. cable for aerospace according to claim 1, it is characterised in that：The thickness of the Kapton
For 0.04~0.06mm, width is 20mm~60mm.
A kind of 9. cable for aerospace according to claim 1, it is characterised in that：The Kapton it is wrapped
Angle is 30~50 °, and wrapped cap rate is 20%-75%.
A kind of 10. cable for aerospace according to claim 1, it is characterised in that：The polytetrafluoroethylene film
Thickness is 0.020~0.060mm, width is 10~100mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721167751.8U CN207302690U (en) | 2017-09-12 | 2017-09-12 | A kind of cable for aerospace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721167751.8U CN207302690U (en) | 2017-09-12 | 2017-09-12 | A kind of cable for aerospace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207302690U true CN207302690U (en) | 2018-05-01 |
Family
ID=62447145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721167751.8U Expired - Fee Related CN207302690U (en) | 2017-09-12 | 2017-09-12 | A kind of cable for aerospace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207302690U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110246611A (en) * | 2019-06-24 | 2019-09-17 | 无锡华能电缆有限公司 | High-tension apparatus electrical cable and preparation method thereof |
-
2017
- 2017-09-12 CN CN201721167751.8U patent/CN207302690U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110246611A (en) * | 2019-06-24 | 2019-09-17 | 无锡华能电缆有限公司 | High-tension apparatus electrical cable and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20180501 Termination date: 20200912 |