CN104200907A - Aerospace high-temperature-resistant control cable - Google Patents
Aerospace high-temperature-resistant control cable Download PDFInfo
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- CN104200907A CN104200907A CN201410461381.3A CN201410461381A CN104200907A CN 104200907 A CN104200907 A CN 104200907A CN 201410461381 A CN201410461381 A CN 201410461381A CN 104200907 A CN104200907 A CN 104200907A
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Abstract
The invention discloses an aerospace high-temperature-resistant control cable comprising a central control wire, first outer control conductors and second outer control conductors. The first outer control conductors are evenly distributed outside the central control wire. A heat transfer strip is arranged between any adjacent two of the first outer control conductors; the length of the heat transfer strips is greater than or equal to the diameter of the large ends of the first outer control conductors; two sides of each heat transfer strip are abutted to the middles of the corresponding outer control conductors; the inner side of every heat transfer strip is abutted to the central control wire; the second outer control conductors on a same circle are arranged outside the heat transfer strips; the first outer control conductors and the second outer control conductors are sequentially coated with a flame-retardant nonwoven taped covering layer, a wire woven shield layer, a flexible copper taped shied layer and a fluoropolymer sheath layer; the flame-retardant nonwoven taped covering layer inscribes both the first outer control conductors and the second outer control conductors. The aerospace high-temperature-resistant control cable has the advantages that high temperature resistance of the cable is improved, quality of transmission signals through the cable is guaranteed, and circuit safety is ensured.
Description
Technical field
The present invention relates to technical field of electric wires and cables, relate in particular to a kind of Aero-Space high temperature resistance control cable.
Background technology
Aero-Space industry is the grand strategy industry of national economy, as the electric wire of Aero-Space nerve and blood vessel, is directly connected to fail safe, reliability, advance and the fight capability of aerospace vehicle.In the occasion of some Aero-Space high-temperature operations, the transmission line that distributing system and automation detect in the circuit such as control need to have enough heat resistances, to guarantee the heat-resisting ability of control cables, is difficult for causing signal transmission disorderly, guarantees the fail safe of circuit.
Summary of the invention
In order to solve the technical problem existing in background technology, the present invention proposes a kind of Aero-Space high temperature resistance control cable, improved the heat-resisting ability of control cables, guarantee the quality of signal transmission and the fail safe of circuit of control cables.
A kind of Aero-Space high temperature resistance control cable that the present invention proposes, comprise center control cable, X root the first external control conductor processed and Y root the second external control conductor processed, X >=3, 2X≤Y≤4X, center is controlled cable and is comprised that the first center that is positioned at cable core position controls conductor and Z root and be distributed on the first center to control conductor outer and control with the first center the second center that conductor offsets and control conductor, Z=X, at the second center, control conductor and be coated successively the first fire-retardant band lapping layer outward, the first tincopper fuse wire braided armor and the first insulating barrier, at the first center, control conductor, the second center is controlled between conductor and the first fire-retardant band lapping layer and is filled high temperature resistant filler, the first fire-retardant band lapping layer is controlled conductor phase inscribe with each second center, the center control cable that conductor is controlled at two the second centers of arbitrary neighborhood is provided with the groove to its inner recess, the uniform center of X root the first external control conductor processed is controlled outside cable, the cross section of the first external control conductor processed is cam-like, the radially placement of the long axis cable core of the first external control conductor processed, the first external control conductor small end processed is positioned at center and controls cable one side and offset with the groove on it, between two the first external control conductors processed of arbitrary neighborhood, be equipped with heat transfer bar, the cross section of heat transfer bar is flat, the length of heat transfer bar is more than or equal to the outside diameter of the first external control conductor processed, heat transfer bar both sides all offset with the middle part of the first external control conductor processed, heat transfer bar inner side is controlled cable with center and is offseted, heat transfer bar outside is provided with 2～4 the second external control conductors processed that are positioned on same circumference, the second external control conductor processed and heat transfer bar offset, two the second external control conductors processed of arbitrary neighborhood offset, and the second external control conductor processed at heat transfer bar two ends and the large end of the first external control conductor processed offset, at the first external control conductor processed, the second external control guidance external coated fire retardant nonwoven fabric lapping layer, proof copper-wire braided screen, soft copper band lapped shielding layer and fluoropolymer restrictive coating successively, the first external control conductor processed, the second external control conductor processed all with fire retardant nonwoven fabric lapping layer phase inscribe.
Preferably, conductor, the second center control conductor are controlled in the first center, the second external control conductor processed is by shielded conductor core and be coated on the second fire-retardant band lapping layer, the second tincopper fuse wire braided armor and the second insulating barrier formation outside shielded conductor core, and the first external control conductor processed consists of non-shielded conductor core and the 3rd fire-retardant band lapping layer and the 3rd insulating barrier that are coated on outside non-shielded conductor core.
Preferably, shielded conductor core adopts many stranded copper cash, and non-shielded conductor core adopts the copper wire of strands.
Preferably, be provided with the through hole corresponding with its each the second external control of outside conductor processed in heat transfer bar, the line of centres of through hole and the second external control conductor processed is positioned on the radial line of control cables.
A kind of Aero-Space high temperature resistance control cable provided by the invention, the fluoropolymer restrictive coating of employing, solves the requirement that aircraft electric wire is provided to safer and better insulation property, is applicable under the rugged environments such as high temperature, high pressure, blast, magnetic field.In the present invention, control the cross-sectional area of cable, the second control conductor compares with center, the cross-sectional area of the first external control conductor processed is larger, the cross section of the first external control conductor processed is cam-shaped, the cross-sectional area of the conductor of its small end is little, the conductor cross-sectional area of large end is large, so adopt its small end to prop up center, controls cable, and large end is tangent with fire retardant nonwoven fabric lapping layer, the first external control conductor processed is distributed on the outside that cable is controlled at center, between the first external control conductor processed of arbitrary neighborhood, form the space of placing heat insulating strip and the second external control conductor processed, the second external control guidance body is positioned on same circumference and is tangent with fire retardant nonwoven fabric lapping layer, cable is controlled at heat transfer Tiao Jiang center and the second external control conductor processed separates, the outside diameter of the length of heat transfer bar and the first external control conductor processed equates, therefore the gap between two the first external control conductors processed of arbitrary neighborhood is larger, compare with the cross-sectional area of the first external control conductor processed simultaneously, cable is controlled at center, the cross-sectional area of the second control conductor is less, heat transfer bar can be by the heat dissipation capacity of the small end heat dissipation capacity of the first external control conductor processed and center cable to the second outer pilot direction conduction, avoid heat dissipation capacity to concentrate on cable core position, the heat dissipation capacity of cable core can outwards be conducted along fire retardant nonwoven fabric lapping layer like this, improved the heat-resisting ability of control cables, guarantee the quality of the signal transmission of control cables, and the fail safe of circuit.
Accompanying drawing explanation
Fig. 1 is the cross section structure schematic diagram of high temperature resistance control cable for a kind of Aero-Space that propose of the present invention.
Fig. 2 is that a kind of Aero-Space that the present invention proposes are controlled the cross section structure schematic diagram of cable with center in high temperature resistance control cable.
Embodiment
As shown in Figure 1 and Figure 2, Fig. 1 is the cross section structure schematic diagram of high temperature resistance control cable for a kind of Aero-Space that propose of the present invention; Fig. 2 is that a kind of Aero-Space that the present invention proposes are controlled the cross section structure schematic diagram of cable with center in high temperature resistance control cable.
With reference to Fig. 1, Fig. 2, a kind of Aero-Space high temperature resistance control cable that the present invention proposes, comprise center control cable 1, three the first external control conductors 2 processed and nine the second external control conductors 3 processed, center is controlled cable 1 and is comprised that the first center that is positioned at cable core position controls conductor 11 and three and be distributed on the first center to control conductor 11 outer and control with the first center the second center that conductor 11 offsets and control conductor 12, outside controlling conductor 12, the second center is coated successively the first fire-retardant band lapping layer 13, the first tincopper fuse wire braided armor 14 and the first insulating barrier 15, at the first center, control conductor 11, the second center is controlled between conductor 12 and the first fire-retardant band lapping layer 13 and is filled high temperature resistant filler 16, the first fire-retardant band lapping layer 13 is controlled conductor 12 phase inscribes with each second center, two the second centers of arbitrary neighborhood are controlled conductor 12 center control cable 1 and are provided with the groove to its inner recess.
Three uniform centers of the first external control conductor 2 processed are controlled outside cable 1, the cross section of the first external control conductor 2 processed is cam-like, the radially placement of the long axis cable core of the first external control conductor 2 processed, the first external control conductor 2 small ends processed are positioned at center and control cable 1 one sides and offset with the groove on it, between two the first external control conductors 2 processed of arbitrary neighborhood, be equipped with heat transfer bar 4, the cross section of heat transfer bar 4 is flat, the length of heat transfer bar 4 is more than or equal to the outside diameter of the first external control conductor 2 processed, heat transfer bar 4 both sides all offset with the middle part of the first external control conductor 2 processed, heat transfer bar 4 inner sides and center are controlled cable 1 and are offseted, heat transfer bar 4 outsides are provided with three the second external control conductors 3 processed that are positioned on same circumference, the second external control conductor 3 processed offsets with heat transfer bar 4, two the second external control conductors 3 processed of arbitrary neighborhood offset, and the second external control conductor 3 processed at heat transfer bar 4 two ends and the large end of the first external control conductor 2 processed offset, outside the first external control conductor 2 processed, the second external control conductor 3 processed, be coated successively fire retardant nonwoven fabric lapping layer 5, proof copper-wire braided screen 6, soft copper band lapped shielding layer 7 and fluoropolymer restrictive coating 8, the first external control conductor 2 processed, the second external control conductor 3 processed and fire retardant nonwoven fabric lapping layer 5 phase inscribes.
In specific embodiment, in heat transfer bar 4, be provided with the through hole 41 corresponding with its each second external control of outside conductor 3 processed, the line of centres of through hole 41 and the second external control conductor 3 processed is positioned on the radial line of control cables, through hole 41 is for avoiding heat to concentrate on heat transfer bar, as adopted being blown into air in through hole 41, can accelerate the heat conduction of cable core.
In the present invention, conductor 11, the second center control conductor 12 are controlled in the first center, the second external control conductor 3 processed is by shielded conductor core and be coated on the second fire-retardant band lapping layer, the second tincopper fuse wire braided armor and the second insulating barrier formation outside shielded conductor core, and the first external control conductor 2 processed consists of non-shielded conductor core and the 3rd fire-retardant band lapping layer and the 3rd insulating barrier that are coated on outside non-shielded conductor core.Shielded conductor core adopts many stranded copper cash, and non-shielded conductor core adopts the copper wire of strands.
In the present invention, the cross section of the first external control conductor 2 processed is cam-shaped, the first external control conductor 2 processed is distributed on the outside that cable 1 is controlled at center, the outside diameter of the length of heat transfer bar 4 and the first external control conductor 2 processed equates, therefore the gap between two the first external control conductors 2 processed of arbitrary neighborhood is larger, heat transfer bar 4 can be by the heat dissipation capacity of the small end heat dissipation capacity of the first external control conductor 2 processed and center cable 1 to the second outer pilot 3 direction conduction, avoid heat dissipation capacity to concentrate on cable core position, the heat dissipation capacity of cable core can outwards be conducted along fire retardant nonwoven fabric lapping layer 5 like this, improved the heat-resisting ability of control cables, guarantee the quality of the signal transmission of control cables, and the fail safe of circuit.
The above; it is only preferably embodiment of the present invention; but protection scope of the present invention is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; according to technical scheme of the present invention and inventive concept thereof, be equal to replacement or changed, within all should being encompassed in protection scope of the present invention.
Claims (4)
1. an Aero-Space high temperature resistance control cable, it is characterized in that, comprise center control cable (1), X root the first external control conductor processed (2) and Y root the second external control conductor processed (3), X >=3, 2X≤Y≤4X, center is controlled cable (1) and is comprised that the first center that is positioned at cable core position controls conductor (11) and Z root and be distributed on the first center to control conductor (11) outer and control with the first center the second center control conductor (12) that conductor (11) offsets, Z=X, outside controlling conductor (12), the second center is coated successively the first fire-retardant band lapping layer (13), the first tincopper fuse wire braided armor (14) and the first insulating barrier (15), at the first center, control conductor (11), the second center is controlled between conductor (12) and the first fire-retardant band lapping layer (13) and is filled high temperature resistant filler (16), the first fire-retardant band lapping layer (13) is controlled conductor (12) phase inscribe with each second center, the center control cable (1) that conductor (12) is controlled at two the second centers of arbitrary neighborhood is provided with the groove to its inner recess, the uniform center of X root the first external control conductor processed (2) is controlled outside cable (1), the cross section of the first external control conductor processed (2) is cam-like, the radially placement of the long axis cable core of the first external control conductor processed (2), the first external control conductor processed (2) small end is positioned at center and controls cable (1) one side and offset with the groove on it, between two the first external control conductors processed of arbitrary neighborhood (2), be equipped with heat transfer bar (4), the cross section of heat transfer bar (4) is flat, the length of heat transfer bar (4) is more than or equal to the outside diameter of the first external control conductor processed (2), heat transfer bar (4) both sides all offset with the middle part of the first external control conductor processed (2), heat transfer bar (4) inner side is controlled cable (1) with center and is offseted, heat transfer bar (4) outside is provided with 2～4 the second external control conductors processed (3) that are positioned on same circumference, the second external control conductor processed (3) offsets with heat transfer bar (4), two the second external control conductors processed (3) of arbitrary neighborhood offset, and the second external control conductor processed (3) at heat transfer bar (4) two ends offsets with the large end of the first external control conductor processed (2), coated fire retardant nonwoven fabric lapping layer (5), proof copper-wire braided screen (6), soft copper band lapped shielding layer (7) and fluoropolymer restrictive coating (8) successively outside the first external control conductor processed (2), the second external control conductor processed (3), the first external control conductor processed (2), the second external control conductor processed (3) all with fire retardant nonwoven fabric lapping layer (5) phase inscribe.
2. Aero-Space high temperature resistance control cable according to claim 1, it is characterized in that, conductor (11) is controlled at the first center, conductor (12), the second external control conductor processed (3) are controlled by shielded conductor core and the second fire-retardant band lapping layer, the second tincopper fuse wire braided armor and the second insulating barrier formation that are coated on outside shielded conductor core in the second center, and the first external control conductor processed (2) consists of non-shielded conductor core and the 3rd fire-retardant band lapping layer and the 3rd insulating barrier that are coated on outside non-shielded conductor core.
3. Aero-Space high temperature resistance control cable according to claim 1, is characterized in that, shielded conductor core adopts many stranded copper cash, and non-shielded conductor core adopts the copper wire of strands.
4. Aero-Space high temperature resistance control cable according to claim 1, it is characterized in that, in heat transfer bar (4), be provided with the through hole (41) corresponding with its outside each the second external control conductor processed (3), the line of centres of the center of through hole (41) and the second external control conductor processed (3) is positioned on the radial line of control cables.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410461381.3A CN104200907B (en) | 2014-09-11 | 2014-09-11 | A kind of Aero-Space high temperature resistance control cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410461381.3A CN104200907B (en) | 2014-09-11 | 2014-09-11 | A kind of Aero-Space high temperature resistance control cable |
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| Publication Number | Publication Date |
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| CN104200907A true CN104200907A (en) | 2014-12-10 |
| CN104200907B CN104200907B (en) | 2016-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410461381.3A Active CN104200907B (en) | 2014-09-11 | 2014-09-11 | A kind of Aero-Space high temperature resistance control cable |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108431904A (en) * | 2015-12-25 | 2018-08-21 | 日立金属株式会社 | Composite cable and composite harness |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02149104A (en) * | 1988-11-30 | 1990-06-07 | Showa Electric Wire & Cable Co Ltd | Spiral leakage coaxial cable |
| US20120301089A1 (en) * | 2009-02-11 | 2012-11-29 | General Cable Technologies Corporation | Separator for communication cable with shaped ends |
| CN103854784A (en) * | 2014-02-24 | 2014-06-11 | 安徽华联电缆集团有限公司 | Inflaming retarding, heat resisting, high temperature resisting and high elasticity controlling cable |
| CN103871646A (en) * | 2014-02-24 | 2014-06-18 | 安徽华联电缆集团有限公司 | Power cable |
| CN204066841U (en) * | 2014-09-11 | 2014-12-31 | 安徽恒晶电缆集团有限公司 | A kind of Aero-Space high temperature resistance control cable |
-
2014
- 2014-09-11 CN CN201410461381.3A patent/CN104200907B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02149104A (en) * | 1988-11-30 | 1990-06-07 | Showa Electric Wire & Cable Co Ltd | Spiral leakage coaxial cable |
| US20120301089A1 (en) * | 2009-02-11 | 2012-11-29 | General Cable Technologies Corporation | Separator for communication cable with shaped ends |
| CN103854784A (en) * | 2014-02-24 | 2014-06-11 | 安徽华联电缆集团有限公司 | Inflaming retarding, heat resisting, high temperature resisting and high elasticity controlling cable |
| CN103871646A (en) * | 2014-02-24 | 2014-06-18 | 安徽华联电缆集团有限公司 | Power cable |
| CN204066841U (en) * | 2014-09-11 | 2014-12-31 | 安徽恒晶电缆集团有限公司 | A kind of Aero-Space high temperature resistance control cable |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108431904A (en) * | 2015-12-25 | 2018-08-21 | 日立金属株式会社 | Composite cable and composite harness |
| CN108431904B (en) * | 2015-12-25 | 2019-07-26 | 日立金属株式会社 | Composite cable and composite harness |
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| Publication number | Publication date |
|---|---|
| CN104200907B (en) | 2016-09-07 |
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