CN204066868U - The extraordinary LVDS Signal transmissions cable of a kind of aviation - Google Patents
The extraordinary LVDS Signal transmissions cable of a kind of aviation Download PDFInfo
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- CN204066868U CN204066868U CN201420401456.4U CN201420401456U CN204066868U CN 204066868 U CN204066868 U CN 204066868U CN 201420401456 U CN201420401456 U CN 201420401456U CN 204066868 U CN204066868 U CN 204066868U
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Abstract
The utility model discloses the extraordinary LVDS Signal transmissions cable of a kind of aviation, comprise the insulated electric conductor, micropore band lapping layer, lapped shielding layer, woven shield, the sheath that are made up of the outer wrapping insulation layer of conductor, four stranded, outer wrapped micropore band lapping layers of described insulated electric conductor, are provided with lapped shielding layer, woven shield, wrapped sheath successively outside it.This cable adopts 19/0.12 silver-plated copper alloy (silver thickness 1.0 μ) as inner wire, and this kind of conductor adopts silver-plated conductor silver thickness to reach the non-oxidizability that 1.0 more than μ can ensure conductor, heat-resisting quantity, and it is little to decay during Signal transmissions.
Description
Technical field
The utility model relates to a kind of cable, and particularly one is used for aviation electronics device LVDS signal transmssion line.
Background technology
Along with the develop rapidly of aviation and electronics industry and defence engineering, propose higher requirement to the cable of Signal transmissions, cable is to the developing direction such as miniaturized, lightweight, high temperature resistant.General data cable polyethylene, perfluoroethylene-propylene, polytetrafluoroethylene as insulating material, these materials are fire-retardant, intensity and signal attenuation index and high and low temperature resistance all poor, external diameter is larger, can not meet the job requirement of complete machine.
Summary of the invention
In view of the deficiency that prior art exists, the invention provides a kind of 19/0.12 silver-plated copper alloy (silver thickness 1.0 μ) that adopts as inner wire, this kind of conductor adopts silver-plated conductor silver thickness to reach the non-oxidizability that 1.0 more than μ can ensure conductor, heat-resisting quantity, and it is little to decay during Signal transmissions.
The utility model for achieving the above object, the technical scheme adopted is: the extraordinary LVDS Signal transmissions cable of a kind of aviation, comprise the insulated electric conductor, micropore band lapping layer, lapped shielding layer, woven shield, the sheath that are made up of the outer wrapping insulation layer of conductor, four stranded, outer wrapped micropore band lapping layers of described insulated electric conductor, are provided with lapped shielding layer, woven shield, wrapped sheath successively outside it.
Described conductor is 19/0.12 silver-plated copper alloy, adopts the mode of concentric stranding stranded.
Described insulating barrier is wrapped polytetrafluoroethylene micropore band+Teflon turning band composite construction, then through high temperature sintering.
Described micropore band lapping layer is expanded microporous polytetra fluoroethylene-EPTEE band lapping structure.
Described lapped shielding layer is polyimides/aluminum compound structure.
Described woven shield is silver-gilt copper wire braiding structure.
Described sheath is polytetrafluoroethylraw raw material band lapping structure.
The utility model adopts wrapped polytetrafluoroethylene micropore band+Teflon turning band composite construction, shaping through high temperature sintering, polytetrafluoroethylene micropore band has a lot of microcellular structure, the dielectric constant of the material greatly reduced, product is made to have low electric capacity when Signal transmissions, the characteristic of low decay.Teflon turning band has certain intensity after high temperature sintering, can make up the deficiency of porous structural material intensity.Restrictive coating adopts the wrapped sintering structure of polytetrafluoroethylraw raw material band, Total Product external diameter and weight is reduced greatly, and makes product have good flexibility.These series of products are according to design that is different and outer insulation diameter, and realizing transmission characteristic impedance can to 100 ± 5 Ω, and the product lines such as 120 ± 10 Ω, realize good matching effect with Product Terminal.
The utility model aviation beneficial effect of extraordinary LVDS Signal transmissions cable is:
1, decay little: wrapped polytetrafluoroethylene micropore band+Teflon turning band composite construction, this kind of air can lower the dielectric constant of material greatly, make signal transmit time decay little.
2, lightweight: insulation adopts wrapped polytetrafluoroethylene micropore band+Teflon turning band composite construction, sheath adopts the wrapped sintering structure of raw material band, the weight of the product greatly reduced.
3, good mechanical property: the silver-plated copper alloy that have employed high strength, as conductor, improves the stretching resistance of product.
4, good flame resistance: the insulation that have employed fluorine material, and sheath material, this kind of material has very high fire resistance.
5, high temperature resistant: fluorine material is high temperature resistant, the temperature that works long hours can reach 250 DEG C.
6, low temperature resistant: fluorine material is low temperature resistant, the temperature that works long hours can reach-65 DEG C.
7, Electro Magnetic Compatibility: have employed the structure that aluminium-plastic tape adds braiding, improves the anti-electromagnetic interference capability of product.
8, stability: four-core cabling structure, makes product electric capacity, the electric performance stablities such as decay, and structure rounding is stablized, even if product alternating bending is moved, product still has high reliability.
Accompanying drawing explanation
Fig. 1 is the structural representation of the novel aviation of this reality with extraordinary LVDS Signal transmissions cable.
Embodiment
As shown in Figure 1, plant the extraordinary LVDS Signal transmissions cable of aviation, comprise the insulated electric conductor 1, micropore band lapping layer 2, lapped shielding layer 3, woven shield 4, the sheath 5 that are made up of the outer wrapping insulation layer 1-2 of conductor 1-1, four stranded, outer wrapped micropore band lapping layers 2 of described insulated electric conductor 1, are provided with lapped shielding layer 3, woven shield 4, wrapped sheath 5 successively outside it.
Described conductor 1-1 is 19/0.12 silver-plated copper alloy, adopts the mode of concentric stranding stranded.
Described insulating barrier 1-2 is wrapped polytetrafluoroethylene micropore band+Teflon turning band composite construction, then through high temperature sintering.
Described micropore band lapping layer 2 is expanded microporous polytetra fluoroethylene-EPTEE band lapping structure.
Described lapped shielding layer 3 is polyimides/aluminum compound structure.
Described woven shield 4 is silver-gilt copper wire braiding structure.
Described sheath 5 is polytetrafluoroethylraw raw material band lapping structure.
LVDS Signal transmissions cable of the present utility model can be obtained by following technical process manufacture:
With the stranded silver-plated high strength copper alloy monofilament of electric wire cable wire twisting machine as inner wire, the preparation process of conductor need adopt certain moduli tool to design, to realize roundness and the external diameter 1-1 of conductor, at inner wire 1-1 external application cable wrapping machine wrapped polytetrafluoroethylene micropore band and Teflon turning band, polytetrafluoroethylene micropore band is against conductor, two tape layers lapping direction is contrary, wrapped rear high temperature sintering 1-2 forms insulated electric conductor 1, with cabler, insulated electric conductor 1 is twisted together, at its external application electric wire lapping equipment wrapped one deck polytetrafluoroethylene micropore band 2, then wrapped one deck polyimides/aluminum composite belt 3, electric wire braiding machine is adopted to weave the silver-plated braid 4 of one deck outward at aluminium-plastic tape, sinter as sheath 5 through high temperature sintering furnace at the wrapped strata tetrem alkene raw material band of braid 4 external application cable wrapping machine.
Claims (1)
1. the extraordinary LVDS Signal transmissions cable of aviation, comprise the insulated electric conductor (1), micropore band lapping layer (2), lapped shielding layer (3), woven shield (4), the sheath (5) that are made up of conductor (1-1) outer wrapping insulation layer (1-2), it is characterized in that: four stranded, outer wrapped micropore band lapping layers (2) of described insulated electric conductor (1), outside it, be provided with lapped shielding layer (3), woven shield (4), wrapped sheath (5) successively;
Described conductor (1-1) is 19/0.12 silver-plated copper alloy, adopts the mode of concentric stranding stranded;
Described insulating barrier (1-2) is wrapped polytetrafluoroethylene micropore band+Teflon turning band composite construction, then through high temperature sintering;
Described micropore band lapping layer (2) is expanded microporous polytetra fluoroethylene-EPTEE band lapping structure;
Described lapped shielding layer (3) is polyimides/aluminum compound structure;
Described woven shield (4) is silver-gilt copper wire braiding structure;
Described sheath (5) is polytetrafluoroethylraw raw material band lapping structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420401456.4U CN204066868U (en) | 2014-07-21 | 2014-07-21 | The extraordinary LVDS Signal transmissions cable of a kind of aviation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420401456.4U CN204066868U (en) | 2014-07-21 | 2014-07-21 | The extraordinary LVDS Signal transmissions cable of a kind of aviation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204066868U true CN204066868U (en) | 2014-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420401456.4U Active CN204066868U (en) | 2014-07-21 | 2014-07-21 | The extraordinary LVDS Signal transmissions cable of a kind of aviation |
Country Status (1)
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| CN (1) | CN204066868U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104810112A (en) * | 2015-04-23 | 2015-07-29 | 南京全信传输科技股份有限公司 | LVDS transmission cable for space navigation and manufacturing method thereof |
| CN105788706A (en) * | 2016-04-25 | 2016-07-20 | 中国电子科技集团公司第二十三研究所 | Aerospace-used star quad communication cable and manufacturing method thereof |
| CN106251939A (en) * | 2016-08-30 | 2016-12-21 | 西安飞机工业（集团）亨通航空电子有限公司 | A kind of aircraft high-strength abrasion-proof high temperature resistant soft type wire |
| 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 |
| CN110085354A (en) * | 2019-06-03 | 2019-08-02 | 扬州市德友线缆有限公司 | A kind of ultravacuum environment composite cable and its production technology |
-
2014
- 2014-07-21 CN CN201420401456.4U patent/CN204066868U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104810112A (en) * | 2015-04-23 | 2015-07-29 | 南京全信传输科技股份有限公司 | LVDS transmission cable for space navigation and manufacturing method thereof |
| CN105788706A (en) * | 2016-04-25 | 2016-07-20 | 中国电子科技集团公司第二十三研究所 | Aerospace-used star quad communication cable and manufacturing method thereof |
| CN106251939A (en) * | 2016-08-30 | 2016-12-21 | 西安飞机工业（集团）亨通航空电子有限公司 | A kind of aircraft high-strength abrasion-proof high temperature resistant soft type wire |
| 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 |
| CN110085354A (en) * | 2019-06-03 | 2019-08-02 | 扬州市德友线缆有限公司 | A kind of ultravacuum environment composite cable and its production technology |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |