CN107275734A - Microlight-type radio frequency coaxial-cable and preparation method thereof - Google Patents
Microlight-type radio frequency coaxial-cable and preparation method thereof Download PDFInfo
- Publication number
- CN107275734A CN107275734A CN201710684197.9A CN201710684197A CN107275734A CN 107275734 A CN107275734 A CN 107275734A CN 201710684197 A CN201710684197 A CN 201710684197A CN 107275734 A CN107275734 A CN 107275734A
- Authority
- CN
- China
- Prior art keywords
- microlight
- silver
- outside
- radio frequency
- outer conductor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000002360 preparation method Methods 0.000 title abstract description 8
- 239000004020 conductor Substances 0.000 claims abstract description 44
- 230000004888 barrier function Effects 0.000 claims abstract description 27
- 238000009413 insulation Methods 0.000 claims abstract description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 29
- 229910052802 copper Inorganic materials 0.000 claims description 27
- 239000010949 copper Substances 0.000 claims description 27
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 11
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 11
- 229920000914 Metallic fiber Polymers 0.000 claims description 10
- 229910052751 metal Inorganic materials 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 9
- 238000004804 winding Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 7
- 238000007747 plating Methods 0.000 claims description 7
- 238000009954 braiding Methods 0.000 claims description 6
- 238000001125 extrusion Methods 0.000 claims description 5
- 229920002313 fluoropolymer Polymers 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 238000005452 bending Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052755 nonmetal Inorganic materials 0.000 description 2
- 241001124569 Lycaenidae Species 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 235000014987 copper Nutrition 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 208000020442 loss of weight Diseases 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P3/00—Waveguides; Transmission lines of the waveguide type
- H01P3/02—Waveguides; Transmission lines of the waveguide type with two longitudinal conductors
- H01P3/06—Coaxial lines
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P11/00—Apparatus or processes specially adapted for manufacturing waveguides or resonators, lines, or other devices of the waveguide type
- H01P11/001—Manufacturing waveguides or transmission lines of the waveguide type
- H01P11/005—Manufacturing coaxial lines
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Communication Cables (AREA)
Abstract
Proposed by the present invention is microlight-type radio frequency coaxial-cable, and its structure includes inner wire, insulating barrier, outer conductor, screen layer, sheath；Wherein, outside inner wire it is insulating barrier, it is screen layer outside outer conductor, outer conductor that insulating barrier, which is outside, and screen layer is outside sheath.Its preparation method includes：1）Choose conductor；2）Wrapping insulation layer；3）Wrapped outer conductor；4）Woven shield；5）Sheath is extruded outside screen layer.Advantages of the present invention：1）It is lightweight；2）Frequency of use is high；3）Steady phase；4）Resistance to bend(ing) can be good；5）Decay is low.
Description
Technical field
The present invention relates to a kind of microlight-type radio frequency coaxial-cable and preparation method thereof, belong to cable manufacturing techniques neck
Domain.
Background technology
With the development of aeronautical technology, the requirement to coaxial cable is also corresponding in raising, the lightweight of cable, flexibility
And the convenience installed is the trend of industry technology development；In order to chase development of new techniques direction, the application research and development microlight-type is penetrated
High frequency coaxial cable, the product reduces cable weight, can be widely applied to existing by being improved to braiding layer material and technique
To fields such as weight demands increasingly stricter Aeronautics and Astronautics, succeeding in developing for microlight-type radio-frequency cable meets domestic weapon
Change system it is supporting to loss of weight in the urgent need to.
The content of the invention
Proposed by the present invention is a kind of microlight-type radio frequency coaxial-cable and preparation method thereof, and its purpose is intended to overcome existing normal
The defect that weight is larger, bending resistance is not strong present in formalism radio frequency coaxial-cable.
The technical solution of the present invention：Microlight-type radio frequency coaxial-cable, its structure include inner wire 1, insulating barrier 2, outside
Conductor 3, screen layer 4, sheath 5；Wherein, outside inner wire 1 it is insulating barrier 2, insulating barrier 2 is outer conductor 3 outside, and outer conductor 3 is screen outside
It is sheath 5 to cover outside layer 4, screen layer 4.
The preparation method of microlight-type radio frequency coaxial-cable, specifically includes following steps：
1）Choose inner wire 1；
2）Using concentric type winding machine, wrapped PTFE micropores band is used as insulating barrier 2 outside inner wire 1；
3）After wrapping insulation layer 2, using wrapped silver-plated copper band as outer conductor 3, the wrapped rate of putting up of silver-plated copper band is 40%~50%；
4）After wrapped outer conductor 3, using the non-metallic fibers silk woven shield 4 of plating metal on surface；
5）Cable cover(ing) 5 is used as in the outer extrusion fluoroplastics of screen layer 4.
Advantages of the present invention：
1）Screen layer replaces metal wire knitted using the silk braiding of silver-plated non-metallic fibers, with being lighter than same specification phase-compensated cable weight
It is more than 15% the characteristics of, and shield effectiveness >=90dB, suitable with same density proof copper-wire braided shielding shield effectiveness；
2）Braid shielded is non-metallic fibers silk plating metal on surface with material, it is both had good electric conductivity, and again
Amount is substantially reduced；
3）Bending resistance is strong, and the metal knitted screened coaxial cable bending resistance than routine is strong more than 10 times, as microlight-type is penetrated
The lower 180 ° bendings of high frequency coaxial cable and CXN3449 equal conditions, CXN3449 is 2000 times or so, microlight-type radio frequency coaxial-cable
For 30000 times or so fractures；
4）Phase stability is good, including good mechanical phase stability and temperature phase stability；
5）Attenuation characteristic is low, and the serial cables of RG than same specification are small by 50%, and other low loss cables than same type are small by 15%；
6）The work of aviation severe rugged environment is can adapt to, with cut-off frequency is high, transmission rate fast (84%), low-loss, steady phase, resistance to
The performances such as high/low temperature,（- 65~+165）It is used for a long time in the range of DEG C.
Brief description of the drawings
Accompanying drawing 1 is the structural representation of microlight-type radio frequency coaxial-cable.
Accompanying drawing 2 is the production technological process of microlight-type radio frequency coaxial-cable.
1 is inner wire in accompanying drawing, and 2 be insulating barrier, and 3 be outer conductor, and 4 be screen layer, and 5 be sheath.
Embodiment
Accompanying drawing 1 is compareed, microlight-type radio frequency coaxial-cable, its structure includes inner wire 1, insulating barrier 2, outer conductor 3, screen layer
4, sheath 5；Wherein, outside inner wire 1 it is insulating barrier 2, insulating barrier 2 is outer conductor 3 outside, and outer conductor 3 is outside screen layer 4, screen layer 4
It is sheath 5 outside.
The inner wire 1 is silver-plated copper conductor or silver-plated copper clad aluminum conductor；Preferably single silver-plated copper conductor, list
The silver-plated copper clad aluminum conductor of root, some circular copper wires twist together one kind in then silver-plated stranded conductor.
The insulating barrier 2 is the wrapped PTFE micropore bands outside inner wire 1.
The outer conductor 3 is wrapped silver-plated copper band outside insulating barrier 2.
The screen layer 4 is formed by the non-metallic fibers silk braiding of plating metal on surface, and preferably silver-plated fiber braiding is formed.
Count >=95% of the screen layer 4.
The material of the restrictive coating 5 is fluoroplastics, preferably PFA or FEP.
The preparation method of microlight-type radio frequency coaxial-cable, specifically includes following steps：
1）Choose inner wire 1；
2）Using concentric type winding machine, wrapped PTFE micropores band is used as insulating barrier 2 outside inner wire 1；
3）After wrapping insulation layer 2, using wrapped silver-plated copper band as outer conductor 3, the wrapped rate of putting up of silver-plated copper band is 40%~50%；
4）After wrapped outer conductor 3, using the non-metallic fibers silk woven shield 4 of plating metal on surface；
5）Cable cover(ing) 5 is used as in the outer extrusion fluoroplastics of screen layer 4.
Embodiment 1
Microlight-type radio frequency coaxial-cable, its structure is made up of inner wire 1, insulating barrier 2, outer conductor 3, screen layer 4, sheath 5；Wherein,
It is outer conductor 3 outside insulating barrier 2, insulating barrier 2 to be outside inner wire 1, and outer conductor 3 is screen layer 4 outside, and screen layer 4 is outside restrictive coating 5.
The inner wire 1 is single silver-plated copper conductor, and the diameter of single silver-plated copper conductor is 1.40 ± 0.02mm.
The insulating barrier 2 is the PTFE micropore bands of the wrapped 0.152mm thickness outside inner wire 1, and PTFE micropore bands are taken
Lid rate is 48%~50%.
The outer conductor 3 is wrapped silver-plated copper band outside insulating barrier 2, and the thickness of silver-plated copper band is that 0.05mm, width are
2.4mm；The wrapped rate of putting up of silver-plated copper band is 45%.
The screen layer 4 is formed by the non-metallic fibers silk braiding of electroplate, count >=95%.
The material of the restrictive coating 5 is PFA.
The preparation method of microlight-type radio frequency coaxial-cable is comprised the steps of：
1）Choose inner wire 1；
2）Using concentric type winding machine, wrapped PTFE micropores band is used as insulating barrier 2 outside inner wire 1；
3）After wrapping insulation layer 2, using wrapped silver-plated copper band as outer conductor 3, the wrapped rate of putting up of silver-plated copper band is 40%~50%；
4）After wrapped outer conductor 3, using the non-metallic fibers silk woven shield 4 of plating metal on surface；
5）Cable cover(ing) 5 is used as in the outer extrusion PFA of screen layer 4.
Embodiment 2
Microlight-type radio frequency coaxial-cable, from 1.40 ± 0.02mm of single silver-plated copper inner wire；It is wrapped using concentric type winding machine
Multilayer 0.152mm thickness PTFE micropore bands, put up rate and are in 48%~50%, outer insulation diameter 3.75mm；Using 0.05mm thickness,
2.4mm width silver-plated coppers band carries out the wrapped of outer conductor using winding machine, and external diameter is controlled in 3.95 ± 0.03mm；By precision around
Bag control cable outer conductor outer diameter tolerance, strengthens after standing wave, decay, the steady equal performance electrical parameter of cable, wrapped outer conductor, adopts
With silver-plated non-metallic fibers silk braid shielded, count >=95% replaces silver-gilt copper wire using silver-plated nonmetal wire, makes cable
Weight substantially reduce, and due to the superior tensile strength of nonmetal wire and elongation at break, so strengthening the bending resistance of cable
Roll over characteristic；Last extrusion molding PFA sheaths.
Claims (8)
1. microlight-type radio frequency coaxial-cable, it is characterized in that including inner wire, insulating barrier, outer conductor, screen layer, sheath；Wherein, it is interior
It is outer conductor outside insulating barrier, insulating barrier to be outside conductor, and outer conductor is screen layer outside, and screen layer is outside sheath；
The inner wire is silver-plated copper conductor or silver-plated copper clad aluminum conductor；
The insulating barrier is the wrapped PTFE micropore bands outside inner wire；
The outer conductor is wrapped silver-plated copper band outside insulating barrier；
The screen layer is formed by the non-metallic fibers silk braiding of plating metal on surface；
The sheath is extrusion fluoroplastics.
2. microlight-type radio frequency coaxial-cable according to claim 1, it is characterized in that the count of the screen layer >=
95%。
3. microlight-type radio frequency coaxial-cable according to claim 1, leads it is characterized in that the inner wire is single silver-plated copper
Body, the diameter of single silver-plated copper conductor is 1.40 ± 0.02mm.
4. microlight-type radio frequency coaxial-cable according to claim 1, it is characterized in that the PTFE micropores tape thickness
The rate of putting up of 0.152mm, PTFE micropore band is 48%~50%.
5. microlight-type radio frequency coaxial-cable according to claim 1, it is characterized in that insulating barrier external diameter 3.75mm.
6. microlight-type radio frequency coaxial-cable according to claim 1, it is characterized in that silver-plated copper tape thickness 0.05mm, width
2.4mm, silver-plated copper band carries out the wrapped 3.95 ± 0.03mm of external diameter of outer conductor using winding machine.
7. the method for microlight-type radio frequency coaxial-cable as claimed in claim 1 is prepared, it is characterized in that this method comprises the following steps：
1）Choose inner wire；
2）Using winding machine, wrapped PTFE micropores band is used as insulating barrier outside inner wire；
3）After wrapping insulation layer, using wrapped silver-plated copper band as outer conductor, the wrapped rate of putting up of silver-plated copper band is 40%~50%；
4）After wrapped outer conductor, using the non-metallic fibers silk woven shield of plating metal on surface；
5）Fluoroplastics are extruded outside screen layer and are used as sheath.
8. the method for microlight-type radio frequency coaxial-cable is prepared according to claim 7, it is characterized in that the winding machine is concentric
Formula winding machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710684197.9A CN107275734A (en) | 2017-08-11 | 2017-08-11 | Microlight-type radio frequency coaxial-cable and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710684197.9A CN107275734A (en) | 2017-08-11 | 2017-08-11 | Microlight-type radio frequency coaxial-cable and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107275734A true CN107275734A (en) | 2017-10-20 |
Family
ID=60077281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710684197.9A Pending CN107275734A (en) | 2017-08-11 | 2017-08-11 | Microlight-type radio frequency coaxial-cable and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107275734A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5473113A (en) * | 1992-09-22 | 1995-12-05 | Champlain Cable Corporation | Shielded wire and cable |
| CN204464430U (en) * | 2015-01-23 | 2015-07-08 | 中国电子科技集团公司第二十三研究所 | A kind of light-duty radio frequency coaxial-cable |
| CN204577174U (en) * | 2015-05-09 | 2015-08-19 | 燎原电缆集团有限公司 | A kind of coaxial cable |
-
2017
- 2017-08-11 CN CN201710684197.9A patent/CN107275734A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5473113A (en) * | 1992-09-22 | 1995-12-05 | Champlain Cable Corporation | Shielded wire and cable |
| CN204464430U (en) * | 2015-01-23 | 2015-07-08 | 中国电子科技集团公司第二十三研究所 | A kind of light-duty radio frequency coaxial-cable |
| CN204577174U (en) * | 2015-05-09 | 2015-08-19 | 燎原电缆集团有限公司 | A kind of coaxial cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171020 |
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| RJ01 | Rejection of invention patent application after publication |