CN206727201U - A kind of Flouride-resistani acid phesphatase low-loss phase-stable phase radio frequency coaxial-cable - Google Patents
A kind of Flouride-resistani acid phesphatase low-loss phase-stable phase radio frequency coaxial-cable Download PDFInfo
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- CN206727201U CN206727201U CN201720229366.5U CN201720229366U CN206727201U CN 206727201 U CN206727201 U CN 206727201U CN 201720229366 U CN201720229366 U CN 201720229366U CN 206727201 U CN206727201 U CN 206727201U
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Abstract
The utility model proposes a kind of Flouride-resistani acid phesphatase low-loss phase-stable phase radio frequency coaxial-cable, including inner wire (1), insulating barrier (2), outer conductor and the sheath (6) set gradually from inside to outside, insulating barrier (2) is formed using the wrapped teflin tape on inner wire (1)；Sheath (6) is made of ethylene tetrafluoroethylene copolymer.Flouride-resistani acid phesphatase low-loss phase-stable phase radio frequency coaxial-cable of the present utility model is ingenious in design, practical.
Description
Technical field
It the utility model is related to field of cables, more particularly to a kind of Flouride-resistani acid phesphatase low-loss phase-stable phase radio frequency coaxial-cable.
Background technology
High performance microwave signal cable is the important foundation device for modernizing information equipment.For example, modern artificial satellite tool
There is the satellite borne electronic system of complexity, electronic equipment on satellite realizes information accurately and reliably in various complicated electromagnetic interference environments
Transmit particularly important, such as high anti-interference, remote probe of investigation satellite, the transmission for being accurately positioned information, and cosmic space
It is required in environment to resist strong irradiation behaviour.Flouride-resistani acid phesphatase low-loss phase-stable phase radio frequency coaxial-cable is satellite borne equipment transmission microwave signal
Important foundation device, it requires higher anti-radiation performance, lower loss, smaller reflection (VSWR) and more stable temperature
Phase, it so just can guarantee that the transmission of the signal high reliability of electronic equipment on satellite.
But existing low-loss phase-compensated cable, due to the limitation of its material, it is not had in intense radiation, forceful electric power
Magnetic disturbance, high temperature difference cosmic space in the long-term characteristic effectively to work.Meanwhile maintenance, the replacing cost of aerospace part of appliance
Huge, this structural stability to low-loss phase-compensated cable proposes higher requirement.
Specifically, such as Chinese patent CN200810241735.8, low-loss phase-compensated cable has gone for by force at present
Vibration, higher temperatures difference airborne equipment in, its sheath and insulating materials use the fluorine of reachable -100 DEG C~200 DEG C of resistance to limiting temperature
Plastics.Sheath typically uses polyfluorinated ethylene propylene (FEP), and it is in irradiation more than 5 × 105It can be degenerated during rad；Insulating materials one
As use polytetrafluoroethylene (PTFE) (PTFE), there is fabulous dielectric constant and low loss factors, but its radiation-resistant property is poor；So,
Existing low-loss phase-stable phase cable product its insulating materials strand after electron irradiation will be broken, and insulating barrier is changed into discontinuous
It is powdered, have a strong impact on the structural stability of product.
Further, the construction of cable of existing low-loss phase-compensated cable is：Insulating barrier is pushed and is attached on inner wire silk, outside
Conductor is wrapped on the insulating layer.Under this construction of cable, the temperature expansion of insulating barrier can cause the phase mechanically stable of cable
Performance is bad.
Utility model content
The utility model is directed to above-mentioned technical problem, it is proposed that a kind of Flouride-resistani acid phesphatase low-loss phase-stable phase radio frequency coaxial-cable.
The technical scheme that the utility model is proposed is as follows：
The utility model proposes a kind of Flouride-resistani acid phesphatase low-loss phase-stable phase radio frequency coaxial-cable, including set gradually from inside to outside
Inner wire, insulating barrier, outer conductor and sheath, insulating barrier formed using wrapped teflin tape in the conductor；Shield
Set is made of ethylene-tetrafluoroethylene copolymer.
In the above-mentioned Flouride-resistani acid phesphatase low-loss phase-stable phase radio frequency coaxial-cable of the utility model, outer conductor is included from inside to outside successively
First screen layer, secondary shielding layer and the 3rd screen layer of setting.
In the above-mentioned Flouride-resistani acid phesphatase low-loss phase-stable phase radio frequency coaxial-cable of the utility model, first screen layer is using wrapped exhausted
Copper alloy belt in edge layer is formed.
In the above-mentioned Flouride-resistani acid phesphatase low-loss phase-stable phase radio frequency coaxial-cable of the utility model, secondary shielding layer is using wrapped the
Metal composite film strips on one screen layer are formed.
In the above-mentioned Flouride-resistani acid phesphatase low-loss phase-stable phase radio frequency coaxial-cable of the utility model, metal composite film strips are aluminium-polyamides
Imines composite band.
In the above-mentioned Flouride-resistani acid phesphatase low-loss phase-stable phase radio frequency coaxial-cable of the utility model, metal composite film strips include conductive aluminum
Aspect and polyimides aspect, wherein, conductive aluminum layer is facing to first screen layer；Polyimide layer is facing to the 3rd screen layer.
In the above-mentioned Flouride-resistani acid phesphatase low-loss phase-stable phase radio frequency coaxial-cable of the utility model, the 3rd screen layer is using being woven in the
Copper alloy netting twine on two screen layers is formed.
In the above-mentioned Flouride-resistani acid phesphatase low-loss phase-stable phase radio frequency coaxial-cable of the utility model, inner wire includes copper alloy substrate,
The copper alloy substrate electroplate.
Flouride-resistani acid phesphatase low-loss phase-stable phase radio frequency coaxial-cable of the present utility model in outermost sheath by using ethene-four
Fluoride copolymers (ETFE) are made, so as to strengthen the anti-radiation performance of cable；Insulating barrier is using wrapped in the conductor poly-
Tetrafluoroethene band is formed, and this lapping structure has a good phase mechanical stability, and insulating barrier and outer under this structure
The temperature expansion of conductor can form benign compensation, so as to realize the temperature stabilization of phase.Further, it is of the present utility model anti-
Irradiation low-loss phase-stable phase radio frequency coaxial-cable also use metal composite film strips, its conductive aluminum layer facing to first screen layer so that
Ensureing excellent signal transduction, polyimide layer has the Flouride-resistani acid phesphatase protective action to insulating barrier facing to the 3rd screen layer,
Meanwhile the wrapped metal composite film strips in first screen layer enhance the mechanical stability of cable.To sum up, it is of the present utility model
Flouride-resistani acid phesphatase low-loss phase-stable phase radio frequency coaxial-cable is ingenious in design, practical.
Brief description of the drawings
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing：
Fig. 1 shows the schematic diagram of the Flouride-resistani acid phesphatase low-loss phase-stable phase radio frequency coaxial-cable of the utility model embodiment；
Fig. 2 shows the detailed of the manufacture method of the Flouride-resistani acid phesphatase low-loss phase-stable phase radio frequency coaxial-cable of the utility model embodiment
Thin flow chart.
Embodiment
Technical problem to be solved in the utility model is：Existing low-loss phase-compensated cable, due to the limitation of its material
Property, its do not have intense radiation, strong electromagnetic, high temperature difference cosmic space in the long-term characteristic effectively to work.Meanwhile space
Navigate part of appliance maintenance, change costly, this structural stability to low-loss phase-compensated cable proposes higher requirement.
The utility model proposes the technical thought of the solution technical problem be：Outermost sheath is copolymerized using ethylene-tetrafluoroethylene
Thing (ETFE) is made, so as to strengthen the anti-radiation performance of cable；Insulating barrier uses wrapped teflin tape in the conductor
Formed, this lapping structure has good phase mechanical stability, and the temperature of insulating barrier and outer conductor under this structure
Expansion can form benign compensation, so as to realize the temperature stabilization of phase.
In order that technical purpose of the present utility model, technical scheme and technique effect are apparent, in order to this area
Technical staff understands and implemented the utility model, the utility model is done below in conjunction with the accompanying drawings and the specific embodiments further in detail
Thin explanation.
As shown in figure 1, Fig. 1 shows showing for the Flouride-resistani acid phesphatase low-loss phase-stable phase radio frequency coaxial-cable of the utility model embodiment
It is intended to.Inner wire 1 that the Flouride-resistani acid phesphatase low-loss phase-stable phase radio frequency coaxial-cable includes setting gradually from inside to outside, insulating barrier 2, lead outside
Body and sheath 6, wherein, in cable in use, electric signal is transmitted by the surface of inner wire 1, frequency is higher, in table
Face transmission is more obvious, and therefore, in the outer surface of the base material of inner wire 1, plating last layer conductive formation can be advantageous to the transmission of electric signal.
Specifically, in the present embodiment, inner wire 1 includes copper alloy substrate, the copper alloy substrate electroplate.
In cable in use, electric signal can be transmitted on the surface of inner wire 1, meanwhile, also can be on the surface of outer conductor
It is transmitted.Insulating barrier 2 is used to prevent from being disturbed during 1 transmitting telecommunication of inner wire.In the present embodiment, insulating barrier 2 uses
The wrapped teflin tape on inner wire 1 is formed.Herein, teflin tape density is low, and its dielectric constant is 1.36
~1.47.
Further, cable is during electric signal is transmitted, and material diversity factor is smaller between inner wire 1 and outer conductor,
Particularly inner wire 1 and outer conductor be close to the position of insulating barrier 2 between material diversity factor it is smaller, energy transmission loss get over
Small, therefore, in the present embodiment, the position for being close to insulating barrier 2 of outer conductor and inner wire use phase same material.
Specifically, outer conductor includes first screen layer 3, the screen of secondary shielding layer 4 and the 3rd set gradually from inside to outside
Cover layer 5；Wherein, first screen layer 3 is formed using the wrapped copper alloy belt on insulating barrier 2；Secondary shielding layer 4 using it is wrapped
Metal composite film strips in first screen layer 3 are formed；In the present embodiment, metal composite film strips are aluminium-polyimides composite band
(i.e. Kapton films), polyimides heat resistance, arc resistance are excellent, have excellent anti-radiation performance (can reach 5 ×
108Rad), mechanical performance and electrical insulation capability are more stable in radiation field, so the structure can strengthen the anti-of cable product
Irradiation behaviour, additionally there is higher shield effectiveness (can reach -100dB).In the present embodiment, metal composite film strips include
Conductive aluminum aspect and polyimides aspect, wherein, conductive aluminum layer is facing to first screen layer 3, so as to ensure that excellent signal passes
The property led, polyimide layer have the Flouride-resistani acid phesphatase protective action to insulating barrier 2 facing to the 3rd screen layer 5, meanwhile, it is wrapped the
Metal composite film strips on one screen layer 3 enhance the mechanical stability of cable.
3rd screen layer 5 is formed using the copper alloy netting twine being woven in secondary shielding layer 4.
Sheath 6 is made of ethylene-tetrafluoroethylene copolymer (ETFE).Suction of the ethylene-tetrafluoroethylene copolymer to irradiation
Receipts amount is 1 × 108Rad, anti-radiation performance are excellent.In addition, ethylene-tetrafluoroethylene copolymer material also has good machinery strong
The features such as degree, high temperature resistant, toughness, corrosion resistance and ageing resistance, additionally it is possible to it is mould proof, moistureproof, fully meet and spaceborne use ring
Border.
The utility model will disclose the manufacture method of above-mentioned Flouride-resistani acid phesphatase low-loss phase-stable phase radio frequency coaxial-cable further below, bag
Include：The preparation process of inner wire 1, teflin tape around packet procedures, copper alloy belt around packet procedures, metal composite film strips
Around the extrusion of packet procedures, the braiding process of copper alloy netting twine and sheath 6.
Specifically, the manufacture method of the Flouride-resistani acid phesphatase low-loss phase-stable phase radio frequency coaxial-cable, comprises the following steps：
Copper alloy substrate is cleaned；Again to silver coating outside the copper alloy substrate after cleaning, and wire drawing, in being formed
Conductor 1；
The wrapped teflin tape outside inner wire 1, so as to form insulating barrier 2；
Wrapped copper alloy belt and metal composite film strips successively outside insulating barrier 2, copper alloy netting twine is then woven, so as to be formed
Outer conductor；
Sheath 6 is extruded on outer conductor.
Specifically, in the manufacture method of above-mentioned Flouride-resistani acid phesphatase low-loss phase-stable phase radio frequency coaxial-cable, copper alloy substrate uses
95wt%~99.5wt% copper, and 0.5wt%~5wt% silver.Meanwhile inner wire 1 also needs to be moved back after its formation
Fire processing, its annealing temperature is (550 ± 5) DEG C.
In the step of wrapped teflin tape on inner wire 1, teflin tape can be surrounded with multilayer.
Reference picture 2, Fig. 2 show the manufacture of the Flouride-resistani acid phesphatase low-loss phase-stable phase radio frequency coaxial-cable of the utility model embodiment
The detail flowchart of method.The manufacture method of the Flouride-resistani acid phesphatase low-loss phase-stable phase radio frequency coaxial-cable includes：
Oil removing, cleaning, pickling and cleaning are carried out successively to copper alloy substrate, so as to complete the cleaning of copper alloy substrate
Journey；
Then, preplating and positive plating are carried out to the copper alloy substrate after cleaning, completes the silver plating process to copper alloy substrate, it
Afterwards, then to the copper alloy substrate after silver-plated wire drawing and annealing are carried out, so as to manufacture to obtain inner wire 1；
Afterwards, the wrapped teflin tape outside inner wire 1, and cross mould and tighten, so as to form insulating barrier 2；
Wrapped copper alloy belt and metal composite film strips successively outside insulating barrier 2 again, copper alloy netting twine is then woven, so as to shape
Into outer conductor；The process includes：Cambered surface presses that copper alloy belt is wrapped, metal composite film strips are wrapped and silk and silver wire braiding.
Sheath 6 is extruded on outer conductor.The process includes following sub-step：At heating, extrusion sheath and temperature shock
Reason.
Flouride-resistani acid phesphatase low-loss phase-stable phase radio frequency coaxial-cable of the present utility model in outermost sheath by using ethene-four
Fluoride copolymers (ETFE) are made, so as to strengthen the anti-radiation performance of cable；Insulating barrier is using wrapped in the conductor poly-
Tetrafluoroethene band is formed, and this lapping structure has a good phase mechanical stability, and insulating barrier and outer under this structure
The temperature expansion of conductor can form benign compensation, so as to realize the temperature stabilization of phase.Further, it is of the present utility model anti-
Irradiation low-loss phase-stable phase radio frequency coaxial-cable also use metal composite film strips, its conductive aluminum layer facing to first screen layer so that
Ensureing excellent signal transduction, polyimide layer has the Flouride-resistani acid phesphatase protective action to insulating barrier facing to the 3rd screen layer,
Meanwhile the wrapped metal composite film strips in first screen layer enhance the mechanical stability of cable.To sum up, it is of the present utility model
Flouride-resistani acid phesphatase low-loss phase-stable phase radio frequency coaxial-cable is ingenious in design, practical.
It should be appreciated that for those of ordinary skills, can according to the above description be improved or converted,
And all these modifications and variations should all belong to the protection domain of the appended claims for the utility model.
Claims (8)
1. a kind of Flouride-resistani acid phesphatase low-loss phase-stable phase radio frequency coaxial-cable, including inner wire (1), the insulating barrier set gradually from inside to outside
(2), outer conductor and sheath (6), it is characterised in that insulating barrier (2) uses the wrapped teflin tape on inner wire (1)
Formed；Sheath (6) is made of ethylene-tetrafluoroethylene copolymer.
2. Flouride-resistani acid phesphatase low-loss phase-stable phase radio frequency coaxial-cable according to claim 1, it is characterised in that outer conductor include by
First screen layer (3), secondary shielding layer (4) and the 3rd screen layer (5) set gradually from inside to outside.
3. Flouride-resistani acid phesphatase low-loss phase-stable phase radio frequency coaxial-cable according to claim 2, it is characterised in that first screen layer
(3) formed using the wrapped copper alloy belt on insulating barrier (2).
4. Flouride-resistani acid phesphatase low-loss phase-stable phase radio frequency coaxial-cable according to claim 2, it is characterised in that secondary shielding layer
(4) formed using the wrapped metal composite film strips in first screen layer (3).
5. Flouride-resistani acid phesphatase low-loss phase-stable phase radio frequency coaxial-cable according to claim 4, it is characterised in that metal composite film strips
For aluminium-polyimides composite band.
6. Flouride-resistani acid phesphatase low-loss phase-stable phase radio frequency coaxial-cable according to claim 5, it is characterised in that metal composite film strips
Including conductive aluminum aspect and polyimides aspect, wherein, conductive aluminum layer is facing to first screen layer (3)；Polyimide layer faces
To the 3rd screen layer (5).
7. Flouride-resistani acid phesphatase low-loss phase-stable phase radio frequency coaxial-cable according to claim 2, it is characterised in that the 3rd screen layer
(5) formed using the copper alloy netting twine being woven in secondary shielding layer (4).
8. Flouride-resistani acid phesphatase low-loss phase-stable phase radio frequency coaxial-cable according to claim 1, it is characterised in that inner wire (1) wraps
Copper alloy substrate is included, the copper alloy substrate electroplate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720229366.5U CN206727201U (en) | 2017-03-09 | 2017-03-09 | A kind of Flouride-resistani acid phesphatase low-loss phase-stable phase radio frequency coaxial-cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720229366.5U CN206727201U (en) | 2017-03-09 | 2017-03-09 | A kind of Flouride-resistani acid phesphatase low-loss phase-stable phase radio frequency coaxial-cable |
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| Publication Number | Publication Date |
|---|---|
| CN206727201U true CN206727201U (en) | 2017-12-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720229366.5U Active CN206727201U (en) | 2017-03-09 | 2017-03-09 | A kind of Flouride-resistani acid phesphatase low-loss phase-stable phase radio frequency coaxial-cable |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114068105A (en) * | 2021-11-17 | 2022-02-18 | 佑创射频技术(江苏)有限公司 | Production process of phase-stable and amplitude-stable cable |
-
2017
- 2017-03-09 CN CN201720229366.5U patent/CN206727201U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114068105A (en) * | 2021-11-17 | 2022-02-18 | 佑创射频技术(江苏)有限公司 | Production process of phase-stable and amplitude-stable cable |
| CN114068105B (en) * | 2021-11-17 | 2023-10-27 | 佑创射频技术(江苏)有限公司 | Production process of phase-stabilizing and amplitude-stabilizing cable |
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