CN209133237U - A kind of high temperature resistant aviation space flight data control cable - Google Patents
A kind of high temperature resistant aviation space flight data control cable Download PDFInfo
- Publication number
- CN209133237U CN209133237U CN201821439427.1U CN201821439427U CN209133237U CN 209133237 U CN209133237 U CN 209133237U CN 201821439427 U CN201821439427 U CN 201821439427U CN 209133237 U CN209133237 U CN 209133237U
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- Prior art keywords
- cable
- layer
- temperature resistant
- high temperature
- conductor
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Abstract
The utility model relates to a kind of high temperature resistant aviation space flight data to control cable, including insulated wire cores, and the insulated wire cores include conductor, be the double-deck wrapping insulation layer of sintering outside conductor, be braiding insulating sheath outside insulating layer；Insulated wire cores stranding described in more forms cable core, and the total sheath of braiding, shielded layer are successively arranged outside cable core.Include the following steps: to prepare conductor；Coated insulating layer；Insulate woven protective layer, coating, sintering；Stranding；It is woven after stranding with alkali-free glass fibre silk double-layer structure, applies PTFE emulsion machine burning knot；With nickel-clad copper alloy wire braid shielded.The utility model improves the material and structure of cable conductor, insulation and sheath, improves the electric insulation resistance of cable and the long-term operating temperature of signal transmission performance and cable and the weight that cable is greatly reduced, improves the softness of cable.
Description
Technical field
The utility model relates to a kind of high temperature resistant aviation space flight data to control cable, belong to aerospace dress preliminary data
Communication control technical field of cable.
Background technique
With China's aerospace, the development of cosmic space technical equipment, to requirement of the aerospace vehicle with cable
It is constantly improving, especially the wired signal transmission stability in the field, cable temperature resistant grade, the lightweight of cable, softness
Property and installation convenience be industry technology development trend；In order to pursue development of new techniques direction, a kind of high temperature resistant boat is researched and developed
Empty space flight data control cable just seems there is very much value, and high temperature resistant aviation space flight data control cable is developed into
Function can satisfy the change system in aerospace and cosmic space to wired signal transmission characteristic, high temperature resistant grade, flexibility
And the urgent need of light-type.
Utility model content
The utility model proposes a kind of high temperature resistant aviation space flight data to control cable, and purpose is intended to overcome existing
The stable signal transmission of aerospace vehicle cable is poor, temperature resistant grade is lower and not soft enough defect.
A kind of high temperature resistant aviation space flight data control cable, including insulated wire cores, the insulated wire cores include conductor,
It is the double-deck wrapping insulation layer of sintering outside conductor, is braiding insulating sheath outside insulating layer；Insulated wire cores stranding group described in more
At cable core, the total sheath of braiding, shielded layer are successively arranged outside cable core.
Wherein: the conductor is nickel-clad copper alloyed copper stranded wire conductor.
The insulating layer includes inner insulating layer and external insulation layer, and for inner insulating layer outside conductor, external insulation layer is wrapped
Outside interior insulation, insulating layer is PTFE/PI/PTFE polyimides composite band around being bundled into.
The braiding insulating sheath is alkali-free glass fibre silk braiding layer, and applies PTFE emulsion and be sintered into one.
The total sheath of the braiding is the woven double-layer structure of alkali-free glass fibre silk, and applies PTFE emulsion and sinter one into
Body.
The shielded layer is for the woven structure of nickel-clad copper alloy wire.
The high temperature resistant aviation space flight controls the preparation method of cable with data, includes the following steps:
(1) conductor that nickel-clad copper alloy wire is twisted through the automatic regular twisted formation of stranding machine；
(2) preparation of insulating layer, PTFE/PI/PTFE polyimides composite band are used as inner insulating layer outside conductor；Again
Use PTFE/PI/PTFE polyimides composite band outside interior insulation as external insulation layer；It should be in agglomerating plant after the completion of wrapped
On be sintered, sintering temperature control at 160 DEG C~400 DEG C；
(3) alkali-free glass fibre silk is woven in outside the insulating layer sintered, and count is greater than 95%；It applies again
PTFE emulsion is simultaneously sintered, and forms insulation woven protective layer；
(4) insulated wire cores made from the more above process carry out stranding according to regulation pitch and direction and obtain cable core；
(5) cable core external application alkali-free glass fibre silk carries out double braid, and count is greater than 95%, with PTFE cream after braiding
Liquid is applied, and is then formed in sintering and is woven total sheath；
(6) it is woven into shielded layer in the total sheath external application nickel-clad copper alloy wire of braiding, shielded layer count is not less than 95%.
A kind of high temperature resistant aviation space flight provided by the utility model controls cable with data, to cable conductor, insulation and shield
The material and structure of set improve, improve cable electric insulation resistance and signal transmission performance and cable it is long-term
Operating temperature and the weight that cable is greatly reduced, improve the softness of cable, can be widely applied to transmit signal now
The fields such as convenient and increasingly lighter to the cable weight demands aerospace of performance, mounting and installation.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the production technological process of the utility model.
Specific embodiment
The technical solution of the utility model is described with reference to the drawings.
As shown in Figure 1, a kind of high temperature resistant aviation space flight with data control cable, structure include conductor 1, inner insulating layer 2,
External insulation layer 3, braiding insulating sheath 4, the total sheath 5 of braiding, shielded layer 6；Wherein, successively inner insulating layer 2, external insulation outside conductor 1
Layer 3, braiding insulating sheath 4, constitute insulated wire cores, and insulated wire cores stranding described in more forms cable core, successively has after stranding
Weave total sheath 5, shielded layer 6.
The conductor 1 be several nickel-clad copper alloy wires through automatically continuously it is regular twist together in the same direction twisted lead
Body, stranded conductor transmission performance is excellent, flexibility is good；
Nickel-clad copper alloy wire is 19；
The inner insulating layer 2 is the PTFE/PI/PTFE polyimides composite band through winding machine outside conductor 1, should
Material temperature resistant grade is high, and thickness is thin, light-weight, and insulation resistance is high, and insulative dielectric constant is low, makes product heatproof with higher
The advantages that grade, steady signal transmission, cable is lighter；
The external insulation layer 3 is also that the PTFE/PI/PTFE polyimides through winding machine outside inner insulating layer 2 is multiple
Crossed belt；
The braiding insulating sheath 4 is woven with alkali-free glass fibre silk, then carries out PTFE emulsion coating, then carry out
It is sintered；
The total sheath 5 of the braiding is also to use alkali-free glass fibre silk double braid, is then applied again with PTFE emulsion,
It is sintered；
The shielded layer 6 is to weave woven outside total sheath form with nickel-clad copper alloy wire.
As shown in Fig. 2, a kind of high temperature resistant aviation space flight controls the preparation method of cable with data, include the following steps:
(1) it chooses nickel-clad copper alloy wire and forms conductor 1 through regular be twisted；The nickel plating thickness of conductor is not less than 4 μm；Select plating
Monel silk diameter 0.18mm, quantity are 19, through with one heart in the same direction it is regular it is twisted after 0.9 ± 0.02mm of outer diameter；
(2) in being formed outside nickel plating copper alloy conductor 1 with PTFE/PI/PTFE polyimides composite band through winding machine
Insulating layer 2；2 thickness control of inner insulating layer is in 0.03mm；
(3) external insulation layer is formed outside inner insulating layer 2 through winding machine with PTFE/PI/PTFE polyimides composite band
3,3 thickness 0.03mm of external insulation layer；External insulation need to be disposably sintered；Wrapped overlap rate control is insulated 51%~55%
Outer diameter is 1.05 ± 0.03mm；
(4) it is woven, is then applied with PTFE emulsion, then carried out in external insulation layer outer diameter braider with alkali-free glass fibre silk
Sintering forms braiding insulating sheath 4；Sintering temperature is followed successively by 160 DEG C, 310 DEG C, 380 DEG C, 400 DEG C, 360 DEG C, 200 DEG C, 180
℃；
(5) stranding: with the insulated wire cores sintered through cabling device automatically according to a constant pitch and direction of lay shape
At cable core；2.5 ± 0.1mm of laying up diameter；
(6) it is carried out two layers of braiding in cable core external application alkali-free glass fibre silk, then applies PTFE emulsion, then be sintered shape
At the total sheath 5 of braiding；Sintering temperature is 160 DEG C, 310 DEG C, 380 DEG C, 400 DEG C, 360 DEG C, 200 DEG C, 180 DEG C, inside and outside braiding layer
Density domination is 95% or more；
(7) shielded layer 6, the braiding of shielded layer 6 are knitted to form in the braiding outer warp loom of total sheath 5 with nickel-clad copper alloy wire
Density is greater than 95%.The nickel-clad copper alloy wire that the filament diameter of establishment is 0.12mm.
The performance of gained cable are as follows:
(1) characteristic impedance: 100 ± 10 Ω (0~250MHz)；
(2) insulation resistance: 15000M Ω kM(20 DEG C)；
(3) decay: being not more than 30dB/100m (100MHz)；
(4) long-term use temperature range (- 60~300) DEG C with higher；
(5) it is lighter than 20% or more the cable weight of same size；
Flexibility: less than 4 times outside diameters of cable of Cable Bending Radius.
Claims (6)
1. a kind of high temperature resistant aviation space flight controls cable with data, which is characterized in that including insulated wire cores, the insulated wire cores
It is the double-deck wrapping insulation layer of sintering including conductor, outside conductor, is braiding insulating sheath outside insulating layer；Insulated wire described in more
Core stranding forms cable core, and the total sheath of braiding, shielded layer are successively arranged outside cable core.
2. a kind of high temperature resistant aviation space flight according to claim 1 controls cable with data, which is characterized in that described leads
Body is nickel-clad copper alloyed copper stranded wire conductor.
3. a kind of high temperature resistant aviation space flight according to claim 1 controls cable with data, which is characterized in that described is exhausted
Edge layer includes inner insulating layer and external insulation layer, and inner insulating layer is outside conductor, and external insulation layer is outside interior insulation, insulating layer
It is PTFE/PI/PTFE polyimides composite band around being bundled into.
4. a kind of high temperature resistant aviation space flight according to claim 1 controls cable with data, which is characterized in that the volume
Knitting insulating sheath is alkali-free glass fibre silk braiding layer, and applies PTFE emulsion and be sintered into one.
5. a kind of high temperature resistant aviation space flight according to claim 1 controls cable with data, which is characterized in that the volume
Knitting total sheath is the woven double-layer structure of alkali-free glass fibre silk, and applies PTFE emulsion and be sintered into one.
6. a kind of high temperature resistant aviation space flight according to claim 1 controls cable with data, which is characterized in that the screen
Covering layer is for the woven structure of nickel-clad copper alloy wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821439427.1U CN209133237U (en) | 2018-09-04 | 2018-09-04 | A kind of high temperature resistant aviation space flight data control cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821439427.1U CN209133237U (en) | 2018-09-04 | 2018-09-04 | A kind of high temperature resistant aviation space flight data control cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209133237U true CN209133237U (en) | 2019-07-19 |
Family
ID=67229865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821439427.1U Expired - Fee Related CN209133237U (en) | 2018-09-04 | 2018-09-04 | A kind of high temperature resistant aviation space flight data control cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209133237U (en) |
-
2018
- 2018-09-04 CN CN201821439427.1U patent/CN209133237U/en not_active Expired - Fee Related
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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: 20190719 Termination date: 20200904 |