CN201466186U - Semi-flexible radio-frequency coaxial cable - Google Patents
Semi-flexible radio-frequency coaxial cable Download PDFInfo
- Publication number
- CN201466186U CN201466186U CN2009200341640U CN200920034164U CN201466186U CN 201466186 U CN201466186 U CN 201466186U CN 2009200341640 U CN2009200341640 U CN 2009200341640U CN 200920034164 U CN200920034164 U CN 200920034164U CN 201466186 U CN201466186 U CN 201466186U
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- coaxial cable
- frequency coaxial
- sublayer
- radio frequency
- flexible radio
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Abstract
The utility model relates to a radio-frequency coaxial cable and discloses a semi-flexible radio-frequency coaxial cable comprising an inner conductor, a compound insulating layer, an outer conductor and an outer sheath which are radially wrapped from the outside to the inside in sequence. The radio-frequency coaxial cable is characterized in that the compounded insulating layer comprises a first fluorine-contained polymer sublayer, a foaming polythene sublayer and a second fluorine-contained polymer sublayer which are radially wrapped from the inside to the outside in sequence; and the fluorine-contained polymer sublayers are made of polyfluortetraethylene or fluorinated ethylene-propylene material.
Description
Technical field
The utility model relates to a kind of radio frequency coaxial-cable, particularly a kind of half flexible radio frequency coaxial cable.
Background technology
At present, the semi-hard radio frequency coaxial-cable of copper pipe outer conductor solid-core polyfluortetraethyleinsulating insulating generally is used in by people in the radio signal transmission system of occasions such as rocket, satellite, communication, navigation, electronic countermeasures, measuring and controlling equipment because it has plurality of advantages such as operating temperature range is wide, frequency of utilization is high, decay is low, standing-wave ratio is little, advantages of good shielding performance.Yet, the semi-hard radio frequency coaxial-cable of copper pipe outer conductor solid-core polyfluortetraethyleinsulating insulating hardness in production and use is big, bending property is poor, can only carry out defectives such as first order buckling, structural stability is poor, continuous length is restricted by specific purpose tool and become clear day by day, use extremely inconvenient.
Summary of the invention
The purpose of this utility model is to provide half flexible radio frequency coaxial cable of a kind of decay in light weight, low, softness, good bending property.
In order to achieve the above object, the utility model is achieved by the following technical solutions.
A kind of half flexible radio frequency coaxial cable, comprise the inner wire, composite insulation layer, outer conductor and the oversheath that radially hold successively from inside to outside, it is characterized in that described composite insulation layer comprises and radially holds the first fluoropolymer sublayer, polyethylene foamed sublayer and the second fluoropolymer sublayer from inside to outside successively.
Further characteristics of the present utility model and improvement are:
Described fluoropolymer sublayer adopts polytetrafluoroethylene or perfluoroethylene-propylene material to make.
Described inner wire is the silver-plated copper conductor.
Described outer conductor is soft circular copper wire mesh grid.
Described oversheath adopts the perfluoroethylene-propylene material to make.
Because comprising, composite insulation layer of the present utility model radially holds the first fluoropolymer sublayer, polyethylene foamed sublayer and the second fluoropolymer sublayer from inside to outside successively, insulating barrier with respect to the single employing polytetrafluoroethylene of traditional structure, coaxial cable produce and use in little, the good bending property of hardness, Stability Analysis of Structures, unrestricted, the easy construction of continuous length, and in light weight, decay is little, the ambient temperature scope of application is wide.
Description of drawings
Fig. 1 is the overall structure schematic diagram of a kind of half flexible radio frequency coaxial cable of the present utility model;
Fig. 2 is the generalized section of Fig. 1;
Among the figure: 1 is inner wire; 2 is composite insulation layer; 3 is outer conductor; 4 is oversheath; 201 is the first fluoropolymer sublayer; 202 is the polyethylene foamed sublayer; 203 is the second fluoropolymer sublayer.
Embodiment
With reference to Fig. 1, Fig. 2, being a kind of half flexible radio frequency coaxial cable. the silver-plated copper conductor is as the inner wire 1 of coaxial cable, and wherein the silver thickness of silver-plated copper conductor is not less than 1 μ m, to guarantee high-quality electric property and the solderability of cable; On inner wire 1, add the composite insulation layer 2 that polyethylene foamed sublayer 202 adds the three-decker of forming the two the first fluoropolymer sublayers 203 again by the first fluoropolymer sublayer 201, first, the second fluoropolymer sublayer 201,203 adopt polytetrafluoroethylene or perfluoroethylene-propylene material to make. and this composite insulation layer mode has effectively reduced the effective dielectric constant of coaxial cable insulation cable medium, realized the low attenuation characteristic of cable radio signal transmission, enlarged the serviceability temperature scope of cable, simultaneously with respect to the weight saving of traditional solid-core polyfluortetraethyleinsulating insulating radio frequency coaxial cable 25%.
With band coating or do not carry out the high density braiding with the soft circular copper wire of coating, whole wicking forms the outer conductor 3 of coaxial cable on whole braid again on composite insulation layer 2; Like this, coaxial cable has semi flexible characteristic and good shielding properties, the dependability and the convenience of coaxial cable have been improved to a great extent, on outer conductor 3, extrude one deck oversheath 6, oversheath adopts the perfluoroethylene-propylene material to make, and has solved acid and alkali-resistance in the cable use, oil resistant, specific (special) requirements such as heat-resisting, moisture resistance, cold-resistant, wear-resisting.
But a kind of half flexible radio-frequency coaxial cable that the utility model provides has, and bandwidth wide ranges, little, the advantages of good shielding performance of decay, operating temperature range are wide, in light weight, the good bending property alternating bending, use the characteristics such as length is unrestricted; Go for the high-frequency signal connecting line of the radio signal transmission system of the occasions such as rocket, satellite, communication, navigation, electronic countermeasure, measuring and controlling equipment instrument.
Claims (5)
1. one and half flexible radio frequency coaxial cables, comprise the inner wire, composite insulation layer, outer conductor and the oversheath that radially hold successively from inside to outside, it is characterized in that described composite insulation layer comprises and radially holds the first fluoropolymer sublayer, polyethylene foamed sublayer and the second fluoropolymer sublayer from inside to outside successively.
2. a kind of half flexible radio frequency coaxial cable according to claim 1 is characterized in that, described fluoropolymer sublayer adopts polytetrafluoroethylene or perfluoroethylene-propylene material to make.
3. a kind of half flexible radio frequency coaxial cable according to claim 1 is characterized in that described inner wire is the silver-plated copper conductor.
4. a kind of half flexible radio frequency coaxial cable according to claim 1 is characterized in that described outer conductor is soft circular copper wire mesh grid.
5. a kind of half flexible radio frequency coaxial cable according to claim 1 is characterized in that, described oversheath adopts the perfluoroethylene-propylene material to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200341640U CN201466186U (en) | 2009-08-07 | 2009-08-07 | Semi-flexible radio-frequency coaxial cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200341640U CN201466186U (en) | 2009-08-07 | 2009-08-07 | Semi-flexible radio-frequency coaxial cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201466186U true CN201466186U (en) | 2010-05-12 |
Family
ID=42393533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200341640U Expired - Lifetime CN201466186U (en) | 2009-08-07 | 2009-08-07 | Semi-flexible radio-frequency coaxial cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201466186U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101950837A (en) * | 2010-09-13 | 2011-01-19 | 网拓(上海)通信技术有限公司 | Leakage coaxial cable and manufacturing method thereof |
| CN105632599A (en) * | 2014-11-04 | 2016-06-01 | 富士康(昆山)电脑接插件有限公司 | Cable |
| CN105720344A (en) * | 2015-06-30 | 2016-06-29 | 深圳金信诺高新技术股份有限公司 | Low loss half-flexible coaxial radio frequency cable |
-
2009
- 2009-08-07 CN CN2009200341640U patent/CN201466186U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101950837A (en) * | 2010-09-13 | 2011-01-19 | 网拓(上海)通信技术有限公司 | Leakage coaxial cable and manufacturing method thereof |
| CN105632599A (en) * | 2014-11-04 | 2016-06-01 | 富士康(昆山)电脑接插件有限公司 | Cable |
| CN105720344A (en) * | 2015-06-30 | 2016-06-29 | 深圳金信诺高新技术股份有限公司 | Low loss half-flexible coaxial radio frequency cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 7, Tang Xing Road, Xi'an high tech Zone, Shaanxi Province Patentee after: China Xidian Group Limited Address before: No. 7, Tang Xing Road, Xi'an high tech Zone, Shaanxi Province Patentee before: Xian Electric Manufacturing Corp. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100512 |