CN205177435U - Seamless lapped insulation cable of polyimide for aerospace - Google Patents
Seamless lapped insulation cable of polyimide for aerospace Download PDFInfo
- Publication number
- CN205177435U CN205177435U CN201521064993.5U CN201521064993U CN205177435U CN 205177435 U CN205177435 U CN 205177435U CN 201521064993 U CN201521064993 U CN 201521064993U CN 205177435 U CN205177435 U CN 205177435U
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- Prior art keywords
- insulating barrier
- seamless
- aerospace
- layer
- polyimide
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Abstract
The utility model discloses a seamless lapped insulation cable of polyimide for aerospace, conductor adopt the stranded wire to strand and form, and the cladding of first insulation layer is in the conductor outside, and it adopts polyimide film to wind the package after thermal treatment forms, and the cladding of second insulating layer is in first insulation layer outside, and second insulating layer adoption metal polytetrafluoroethylene is compound to be taken around wrapping after thermal treatment forms, and the package opposite direction that winds of first insulation layer and second insulating layer just is equipped with the bond line between the two. The utility model provides a seamless lapped insulation cable of polyimide for aerospace, simple structure reasonable in design, the temperature performance is good, and is high fire -retardant, adopts the bilayer around wrapping the structure, and cable surface is smooth to be leveled, has wear -resisting, the resistant cutting performance of excellence to mechanical strength is big, has fine anti environmental stress fracture, to vertically cutting into and rub very strong resistant resistance.
Description
Technical field
The utility model relates to field of cable technology, particularly relates to the seamless lapped insulation cable of a kind of aerospace polyimide.
Background technology
Domestic existing polyimides covered insulating wire cable is single polyamide tape but not composite band is wrapped, heatproof is only 200 DEG C, also cracking is there will be through bending or vibration, can not form a closely knit insulation overall, and wrapped overlapping gap is given prominence to, ring is obvious, insulating surface is rough, have a certain impact to mechanical performance and useful life, therefore domestic high-end field is dependence on import, and cost is high.In order to reduce costs, still adopt fluoroplastic insulation wire in a large number in some occasions, this kind of wire insulation extrude thick, volume is large, weight is large, and after standing outer space radiation insulation easily generation cracking is aging, security reliability is poor.The utility model is for addressing the aforementioned drawbacks, and improves performance further and substitutes import and implement.
Utility model content
For solving the technical problem existed in background technology, the utility model proposes the seamless lapped insulation cable of a kind of aerospace polyimide.
A kind of aerospace polyimide that the utility model proposes is seamless lapped insulation cable, comprising: conductor, the first insulating barrier, the second insulating barrier;
Conductor adopts that stranded conductor is stranded forms, per share wire forms by many one metal wires are stranded, first insulating barrier is coated on conductor outside, first insulating barrier is through heat treated first lapping layer, described first lapping layer adopts that polyimide film is seamless wrappedly to be formed, it is outside that second insulating barrier is coated on the first insulating barrier, second insulating barrier is through heat treated second lapping layer, second lapping layer adopts that twining package tape is seamless wrappedly to be formed, second lapping layer is contrary with the lapping direction of the first lapping layer, is provided with adhesive layer between the first insulating barrier and the second insulating barrier.
Preferably, per share wire forms by many silver-gilt copper wires are stranded.
Preferably, the second insulating barrier employing double-sided metal macromolecular material composite band is wrapped to be formed, and be metal level in the middle of it, both sides are macromolecule material film layer.
Preferably, described metal level adopts aluminum metal layer.
Preferably, described macromolecule material film layer adopts polytetrafluoroethylene film layer.
Preferably, metal drainage thread is provided with in the second insulating barrier.
In the utility model, the aerospace polyimide proposed is seamless lapped insulation cable, conductor adopts that strands of metal wire is stranded forms, first insulating barrier is coated on conductor outside, it forms through heat treatment after adopting polyimide film wrapped, it is outside that second insulating barrier is coated on the first insulating barrier, and the second insulating barrier forms through heat treatment after adopting metal polytetrafluoroethylene composite band wrapped, and the lapping direction of the first insulating barrier and the second insulating barrier on the contrary and be provided with adhesive layer therebetween.By the seamless lapped insulation cable of the aerospace polyimide of above-mentioned optimal design, structure simple designs is reasonable, temperature performance is good, high flame retardant, adopt double-deck lapping structure, cable surface is smooth, there is excellent wear-resisting, belt cutting-resisting property, and mechanical strength is large, has good environmental stress crack resistance, to longitudinally incision and friction have very strong resistance to resistance.
Accompanying drawing explanation
Fig. 1 is the structural representation of the seamless lapped insulation cable of a kind of aerospace polyimide that the utility model proposes.
Embodiment
As shown in Figure 1, Fig. 1 is the structural representation of the seamless lapped insulation cable of a kind of aerospace polyimide that the utility model proposes.
With reference to Fig. 1, a kind of aerospace polyimide that the utility model proposes is seamless lapped insulation cable, comprising: conductor 1, first insulating barrier 2, second insulating barrier 3;
Conductor 1 adopts that stranded conductor 11 is stranded to be formed, per share wire 11 forms by many silver-gilt copper wires are stranded, it is outside that first insulating barrier 2 is coated on conductor 1, first insulating barrier 2 is through heat treated first lapping layer, described first lapping layer adopts that polyimide film is seamless wrappedly to be formed, it is outside that second insulating barrier 3 is coated on the first insulating barrier 2, second insulating barrier 2 is through heat treated second lapping layer, described second lapping layer adopts that double-sided metal macromolecular material composite band is seamless wrappedly to be formed, be metal level in the middle of it, both sides are macromolecule material film layer, described metal level adopts aluminum metal layer, described macromolecule material film layer adopts polytetrafluoroethylene film layer, metal drainage thread 5 is provided with in second insulating barrier 3, second lapping layer is contrary with the lapping direction of the first lapping layer, adhesive layer 4 is provided with between first insulating barrier 2 and the second insulating barrier 3.
In the present embodiment, the aerospace polyimide proposed is seamless lapped insulation cable, conductor adopts that strands of metal wire is stranded forms, first insulating barrier is coated on conductor outside, it forms through heat treatment after adopting polyimide film wrapped, it is outside that second insulating barrier is coated on the first insulating barrier, second insulating barrier forms through heat treatment after adopting metal polytetrafluoroethylene composite band wrapped, after heat treatment, ensure that the covering property of the first insulating barrier and the second insulating barrier is better, improve insulation property, the lapping direction of the first insulating barrier and the second insulating barrier on the contrary and be provided with adhesive layer therebetween, the two lapping direction is contrary, prevent from cable in use lapping layer be loose causing structural instability.By the seamless lapped insulation cable of the aerospace polyimide of above-mentioned optimal design, structure simple designs is reasonable, temperature performance is good, high flame retardant, adopt double-deck lapping structure, cable surface is smooth, there is excellent wear-resisting, belt cutting-resisting property, and mechanical strength is large, has good environmental stress crack resistance, to longitudinally incision and friction have very strong resistance to resistance.
In a specific embodiment, second insulating barrier employing aluminium polytetrafluoroethylene composite bed is wrapped to be formed, while playing the effect of insulation shielding, do not affect the flexibility of cable, metal drainage thread is provided with in second insulating barrier, ensure the continuity of shielding, thus improve the stability of cable electric property further.
The above; be only the utility model preferably embodiment; but protection range of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; be equal to according to the technical solution of the utility model and utility model design thereof and replace or change, all should be encompassed within protection range of the present utility model.
Claims (6)
1. the seamless lapped insulation cable of aerospace polyimide, is characterized in that, comprising: conductor (1), the first insulating barrier (2), the second insulating barrier (3);
Conductor (1) employing stranded conductor (11) is stranded to be formed, per share wire (11) forms by many one metal wires are stranded, it is outside that first insulating barrier (2) is coated on conductor (1), first insulating barrier (2) is through heat treated first lapping layer, described first lapping layer adopts that polyimide film is seamless wrappedly to be formed, it is outside that second insulating barrier (3) is coated on the first insulating barrier (2), second insulating barrier (2) is through heat treated second lapping layer, described second lapping layer adopts that twining package tape is seamless wrappedly to be formed, second lapping layer is contrary with the lapping direction of the first lapping layer, adhesive layer (4) is provided with between first insulating barrier (2) and the second insulating barrier (3).
2. the seamless lapped insulation cable of aerospace polyimide according to claim 1, is characterized in that, per share wire (11) forms by many silver-gilt copper wires are stranded.
3. the seamless lapped insulation cable of aerospace polyimide according to claim 1, it is characterized in that, second insulating barrier (3) employing double-sided metal macromolecular material composite band is wrapped to be formed, and be metal level in the middle of it, both sides are macromolecule material film layer.
4. the seamless lapped insulation cable of aerospace polyimide according to claim 3, is characterized in that, described metal level adopts aluminum metal layer.
5. the seamless lapped insulation cable of aerospace polyimide according to claim 3, is characterized in that, described macromolecule material film layer adopts polytetrafluoroethylene film layer.
6. the seamless lapped insulation cable of aerospace polyimide according to claim 3, is characterized in that, is provided with metal drainage thread (5) in the second insulating barrier (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521064993.5U CN205177435U (en) | 2015-12-16 | 2015-12-16 | Seamless lapped insulation cable of polyimide for aerospace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521064993.5U CN205177435U (en) | 2015-12-16 | 2015-12-16 | Seamless lapped insulation cable of polyimide for aerospace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205177435U true CN205177435U (en) | 2016-04-20 |
Family
ID=55741393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521064993.5U Expired - Fee Related CN205177435U (en) | 2015-12-16 | 2015-12-16 | Seamless lapped insulation cable of polyimide for aerospace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205177435U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108899113A (en) * | 2018-07-02 | 2018-11-27 | 芜湖航天特种电缆厂股份有限公司 | Polyimide insulative cable and preparation method thereof |
-
2015
- 2015-12-16 CN CN201521064993.5U patent/CN205177435U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108899113A (en) * | 2018-07-02 | 2018-11-27 | 芜湖航天特种电缆厂股份有限公司 | Polyimide insulative cable and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160420 Termination date: 20181216 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |