CN202443803U - Fluoroplastic insulated and coaxial cable - Google Patents
Fluoroplastic insulated and coaxial cable Download PDFInfo
- Publication number
- CN202443803U CN202443803U CN2012200485013U CN201220048501U CN202443803U CN 202443803 U CN202443803 U CN 202443803U CN 2012200485013 U CN2012200485013 U CN 2012200485013U CN 201220048501 U CN201220048501 U CN 201220048501U CN 202443803 U CN202443803 U CN 202443803U
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- China
- Prior art keywords
- coaxial cable
- layer
- fluoroplastic insulated
- fluoroplastic
- insulated
- Prior art date
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- Expired - Fee Related
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Abstract
The utility model relates to a fluoroplastic insulated and coaxial cable, wherein a polyperfluorinated ethylene propylene foam material insulation layer, a shielding layer and a jacket are arranged outside an internal conductor in sequence; and the shielding layer is of a double-layer structure, wherein the inner layer is a composite aluminum-plastic tape, and the outer layer is silver plating copper wire or tin plating copper wire braiding layer. The fluoroplastic insulated and coaxial cable disclosed by the utility model has the beneficial effects that: the dielectric constant of an insulating material is greatly reduced, so that a signal has small attenuation and high bandwidth in the transmission process; the fluoroplastic insulated and coaxial cable has the advantages of light weight, good mechanical property, high flame retardation, high temperature resistance and low temperature resistance; and the anti-electromagnetic interference capability of the fluoroplastic insulated and coaxial cable is improved.
Description
Technical field
The utility model relates to a kind of coaxial cable, particularly a kind of fluoroplastic insulation coaxial cable that is used for neighborhood system multichannel composite signal transmission usefulness such as Aero-Space, electronics.
Background technology
Along with aviation, the develop rapidly of space flight and electronics industry and defence engineering proposes higher requirement to the cable of signal transmission usefulness, and cable develops to miniaturization, direction such as in light weight, high temperature resistant.General data cable uses that polyethylene, perfluoroethylene are third rare, polytetrafluoroethylene is as insulating material; These materials are fire-retardant, intensity and signal attenuation index and high and low temperature resistance are all poor; Can not satisfy the job requirement of complete machine, influence coaxial cable being widely used in adverse circumstances.
Summary of the invention
In view of the deficiency that prior art exists, the utility model provides a kind of employing perfluoroethylene-propylene expanded material as insulating material, and is in light weight, loss is little, the transmission signals bandwidth high, the stable fluoroplastic insulation coaxial cable of structure rounding.
The utility model is for realizing above-mentioned purpose, and the technical scheme that is adopted is: a kind of fluoroplastic insulation coaxial cable is characterized in that: outside inner wire, be provided with one deck perfluoroethylene-propylene expanded material insulating barrier, screen and sheath successively; Said screen is a double-decker, and internal layer is an aluminium-plastic tape, and skin is silver-gilt copper wire or tincopper fuse wire braided armor.
The beneficial effect of the utility model is:
1, decay is little: the perfluoroethylene-propylene physical blowing is as insulating layer material, and this kind material is the dielectric constant of reduced insulation material greatly, and decay is little when transmission, bandwidth is high to make signal.
2, in light weight: the perfluoroethylene-propylene physical blowing has reduced the weight of product greatly as insulating layer material.
3, good mechanical property: adopted high-intensity silver-plated copper alloy as conductor, improved the stretching resistance of product.
4, good flame resistance: as sheath, these two kinds of materials have very high fire resistance to the perfluoroethylene-propylene physical foaming material as insulating barrier, low-smoke halogen-free polyolefin material.
5, high temperature resistant: the fluorine material is high temperature resistant, the temperature that works long hours can reach 200 ℃.
6, low temperature resistant: the fluorine material is low temperature resistant, the temperature that works long hours can reach-65 ℃.
7, Electro Magnetic Compatibility: adopted aluminium-plastic tape to add the structure of braid, improved the anti-electromagnetic interference capability of product.
Description of drawings
Fig. 1 is the cross-sectional view of the utility model.
Embodiment
As shown in Figure 1, a kind of fluoroplastic insulation coaxial cable is provided with one deck perfluoroethylene-propylene expanded material insulating barrier 2, screen 3 and sheath 4 successively outside inner wire 1; Said screen 3 is a double-decker, and internal layer is an aluminium-plastic tape, and skin is silver-gilt copper wire or tincopper fuse wire braided armor.
The utility model can obtain through following technical process manufacturing: with electric wire cable strand machine or the silver-plated high strength copper alloy monofilament of the stranded multiply of bunching machine as inner wire 1; Extrude perfluoroethylene-propylene foaming insulation layer 2 at inner wire 1 external application cable extrusion foaming equipment; Outside perfluoroethylene-propylene foaming insulation layer 2; Wrapped successively layer of aluminum plastic composite strip and braiding one deck silver-plated copper or tin-coated copper screen 3 are extruded one deck low-smoke halogen-free polyolefin material at last as sheath 4 outside screen 3.
Claims (1)
1. a fluoroplastic insulation coaxial cable is characterized in that: outside inner wire (1), be provided with one deck perfluoroethylene-propylene expanded material insulating barrier (2), screen (3) and sheath (4) successively; Said screen (3) is a double-decker, and internal layer is an aluminium-plastic tape, and skin is silver-gilt copper wire or tincopper fuse wire braided armor.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2012200485013U CN202443803U (en) | 2012-02-15 | 2012-02-15 | Fluoroplastic insulated and coaxial cable |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2012200485013U CN202443803U (en) | 2012-02-15 | 2012-02-15 | Fluoroplastic insulated and coaxial cable |
Publications (1)
Publication Number | Publication Date |
---|---|
CN202443803U true CN202443803U (en) | 2012-09-19 |
Family
ID=46825239
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2012200485013U Expired - Fee Related CN202443803U (en) | 2012-02-15 | 2012-02-15 | Fluoroplastic insulated and coaxial cable |
Country Status (1)
Country | Link |
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CN (1) | CN202443803U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105632599A (en) * | 2014-11-04 | 2016-06-01 | 富士康(昆山)电脑接插件有限公司 | Cable |
CN115954637A (en) * | 2022-12-14 | 2023-04-11 | 江苏云舟通信科技有限公司 | Corrosion-resistant flexible coaxial cable and preparation method thereof |
-
2012
- 2012-02-15 CN CN2012200485013U patent/CN202443803U/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105632599A (en) * | 2014-11-04 | 2016-06-01 | 富士康(昆山)电脑接插件有限公司 | Cable |
CN115954637A (en) * | 2022-12-14 | 2023-04-11 | 江苏云舟通信科技有限公司 | Corrosion-resistant flexible coaxial cable and preparation method thereof |
CN115954637B (en) * | 2022-12-14 | 2023-10-20 | 江苏云舟通信科技有限公司 | Corrosion-resistant flexible coaxial 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: 20120919 Termination date: 20170215 |
|
CF01 | Termination of patent right due to non-payment of annual fee |