CN107611542A - Light-duty steady phase radio-frequency cable and preparation method thereof - Google Patents
Light-duty steady phase radio-frequency cable and preparation method thereof Download PDFInfo
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- CN107611542A CN107611542A CN201710855418.4A CN201710855418A CN107611542A CN 107611542 A CN107611542 A CN 107611542A CN 201710855418 A CN201710855418 A CN 201710855418A CN 107611542 A CN107611542 A CN 107611542A
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Abstract
The present invention is a kind of light-duty steady phase radio-frequency cable, and its structure includes conductor, insulating barrier, outer conductor, screen layer, sheath；Wherein, outside conductor it is insulating barrier, is outer conductor outside insulating barrier, is screen layer outside outer conductor, is sheath outside screen layer.The preparation method of light-duty steady phase radio-frequency cable, comprises the following steps：1）Choose conductor；2）Using concentric type winding machine wrapping insulation layer；3）After wrapping insulation layer, using wrapped silver-plated copper band as outer conductor；4）After wrapped outer conductor, using silver-plated copper coating aluminum B alloy wire woven shield；5）PFA or FEP is extruded as cable cover(ing).Advantage：, can be with the performance such as the high and low loss of in light weight, cut-off frequency, steady phase, high-low temperature resistant（65~+165）It is long-term use of in the range of DEG C.
Description
Technical field
The present invention relates to a kind of light-duty steady phase radio-frequency cable and preparation method thereof, belong to technical field of cable.
Background technology
With the development of aeronautical technology, the requirement to coaxial cable is also improving accordingly, the lightweight of cable, flexibility
And the convenience of installation is the trend of industry technology development；In order to chase development of new techniques direction, light-duty steady phase radio frequency electrical is researched and developed
Cable just seems has value very much, succeeding in developing for light-duty steady phase radio-frequency cable, disclosure satisfy that domestic weapon system-of-systems are supporting
To loss of weight there is an urgent need to.
The content of the invention
Proposed by the present invention is a kind of light-duty steady phase radio-frequency cable and preparation method thereof, and its purpose is intended to overcome existing routine
The defects of weight present in type radio frequency coaxial-cable is larger.
The technical solution of the present invention：Light-duty steady phase radio-frequency cable, its structure include conductor 1, insulating barrier 2, outer conductor
3, screen layer 4, sheath 5；Wherein, outside conductor 1 it is insulating barrier 2, is outer conductor 3 outside insulating barrier 2, is screen layer 4 outside outer conductor 3,
It is sheath 5 outside screen layer 4.
The preparation method of light-duty steady phase radio-frequency cable, comprises the following steps：
1）Choose silver-plated copper coating aluminum alloy conductor 1；
2）Using concentric type winding machine outside silver-plated copper coating aluminum alloy conductor 1 wrapped PTFE micropores band as insulating barrier 2；
3）After wrapping insulation layer 2, using wrapped silver-plated copper band as outer conductor 3, cap rate 40%~50%；
4）After wrapped outer conductor 3, using silver-plated copper coating aluminum B alloy wire woven shield 4；
5）PFA or FEP is extruded as cable cover(ing) 5.
Advantage：
1）Screen layer replaces proof copper-wire braided using the braiding of silver-plated copper coating aluminum B alloy wire, has and is 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 silver-plated copper coating aluminum alloy with material, it is both had good electric conductivity, and weight drops significantly
It is low；
3）Outstanding phase stability, including good mechanical phase stability and temperature phase stability；
4）Extremely low attenuation characteristic, it is smaller by 50% than the RG series cables of same specification, it is smaller by 15% than other low loss cables of same type；
5）Remarkable electrical property and ambient adaptability：The work of aviation severe rugged environment is can adapt to, there is cut-off frequency height, transmission speed
The performances such as rate fast (84%), low-loss, steady phase, high-low temperature resistant,（- 65~+165）It is long-term use of in the range of DEG C；
6）This cable has the characteristics of being lighter than same specification phase-compensated cable weight 20%-30%；
7）The work of aviation severe rugged environment is can adapt to, there is the property such as in light weight, the high and low loss of cut-off frequency, steady phase, high-low temperature resistant
Can, can be（- 65~+165）It is long-term use of in the range of DEG C.
Brief description of the drawings
Accompanying drawing 1 is the structural representation of the present invention.
Accompanying drawing 2 is the production technological process of the present invention.
1 is conductor 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, light-duty steady phase radio-frequency cable are compareed, its structure includes conductor 1, insulating barrier 2, outer conductor 3, screen layer 4, shield
Set 5；Wherein, outside conductor 1 it is insulating barrier 2, is outer conductor 3 outside insulating barrier 2, be screen layer 4 outside outer conductor 3, is shield outside screen layer 4
Set 5.
The single silver-plated copper coating aluminum alloy conductor of conductor 1 or some silver-plated copper coating aluminum B alloy wires twist together
Stranded conductor, single conductor advantage is structural stability is good, electrical property is relatively good, such as decay, standing wave are preferable；Stranded conductor
Softness is preferable, more soft than single conductor.
The stranded conductor that some silver-plated copper coating aluminum B alloy wires twist together is 1 or 7 or 19 silver-plated coppers
The stranded conductor that alclad B alloy wire twists together.
The insulating barrier 2 is wrapped 3~9 layers of PTFE micropore bands in the outer surface of conductor 1, and multilayer is wrapped to have structure steady
Calmly, the advantages that good concentricity, uniform external diameter.
The outer conductor 3 is the wrapped silver-plated copper band in the outer surface of insulating barrier 2, and the cap rate of wrapped silver-plated copper band is 40%
~50%, this cap rate has that structural stability is high, bending property is relatively superior, good electrical property advantage.
The screen layer 4 is wrapped in the outer surface of outer conductor 3, and screen layer 4 is formed by the braiding of silver-plated copper coating aluminum B alloy wire.
The sheath 5 is wrapped around the fluoroplastics of the outer surface of screen layer 4.
The fluoroplastics are preferably PFA or FEP.
The preparation method of light-duty steady phase radio-frequency cable, comprises the following steps：
1）Choose silver-plated copper coating aluminum alloy conductor 1；
2）Using concentric type winding machine outside silver-plated copper coating aluminum alloy conductor 1 wrapped PTFE micropores band as insulating barrier 2；
3）After wrapping insulation layer 2, using wrapped silver-plated copper band as outer conductor 3, cap rate 40%~50%；
4）After wrapped outer conductor 3, using silver-plated copper coating aluminum B alloy wire woven shield 4；
5）PFA or FEP is extruded as cable cover(ing) 5.
Embodiment 1
Light-duty steady phase radio-frequency cable, its structure are made up of conductor 1, insulating barrier 2, outer conductor 3, screen layer 4, sheath 5；Wherein, lead
It is insulating barrier 2 outside body 1, is outer conductor 3 outside insulating barrier 2, is screen layer 4 outside outer conductor 3, is sheath 5 outside screen layer 4.
The conductor 1 is the stranded conductor that 19 silver-plated copper coating aluminum B alloy wires twist together.
The insulating barrier 2 is wrapped 6 layers of PTFE micropore bands in the outer surface of conductor 1.
The outer conductor 3 is the wrapped silver-plated copper band in the outer surface of insulating barrier 2, and the cap rate of wrapped silver-plated copper band is 43%,
This cap rate has that structural stability is high, bending property is relatively superior, good electrical property advantage.
The screen layer 4 is wrapped in the outer surface of outer conductor 3, and screen layer 4 is formed by the braiding of silver-plated copper coating aluminum B alloy wire.
The sheath 5 is wrapped around the fluoroplastics of the outer surface of screen layer 4.
The fluoroplastics are FEP.
The preparation method of light-duty steady phase radio-frequency cable, is specifically comprised the steps of：
1）Choose silver-plated copper coating aluminum alloy conductor 1；
2）Using concentric type winding machine outside silver-plated copper coating aluminum alloy conductor 1 wrapped PTFE micropores band as insulating barrier 2；
3）After wrapping insulation layer 2, using wrapped silver-plated copper band as outer conductor 3, cap rate 40%~50%；
4）After wrapped outer conductor 3, using silver-plated copper coating aluminum B alloy wire woven shield 4；
5）PFA or FEP is extruded as cable cover(ing) 5.
Embodiment 2
Light-duty steady phase radio-frequency cable, from 1.40 ± 0.02mm of single silver-plated copper coating aluminum alloy conductor；Using concentric type winding machine
Wrapped multilayer 0.152mm thickness PTFE micropore bands, cap rate are in 48%~50%, outer insulation diameter 3.75mm；It is thick using 0.05mm
Degree, 2.4mm width silver-plated coppers band carry out the wrapped of outer conductor using winding machine, and external diameter is controlled in 3.95 ± 0.03mm；Pass through essence
Close wrapped control cable outer conductor outer diameter tolerance, strengthen standing wave, decay, the steady equal performance electrical parameter of cable, wrapped outer conductor
Afterwards, using silver-plated copper coating aluminum B alloy wire braid shielded, count >=95%, silver-plated copper is replaced using silver-plated copper coating aluminum B alloy wire
Silk, substantially reduces the weight of cable；Last extrusion molding PFA sheaths.
The present invention is improved to conductor and braiding layer, reduces conductor and braiding layer weight forms, can be widely applied to existing
Have to fields such as the increasingly stricter Aeronautics and Astronautics of weight demands.
Claims (8)
1. light-duty steady phase radio-frequency cable, it is characterized in that including conductor, insulating barrier, outer conductor, screen layer, sheath；Wherein, outside conductor
It is insulating barrier, is outer conductor outside insulating barrier, is screen layer outside outer conductor, is sheath outside screen layer.
2. light-duty steady phase radio-frequency cable according to claim 1, it is characterized in that the conductor closes for single silver-plated copper coating aluminum
The stranded conductor that golden conductor or some silver-plated copper coating aluminum B alloy wires twist together.
3. light-duty steady phase radio-frequency cable according to claim 1, it is characterized in that the insulating barrier is wrapped in conductor appearance
3~9 layers of PTFE micropore bands in face.
4. light-duty steady phase radio-frequency cable according to claim 1, it is characterized in that the outer conductor is wrapped outside insulating barrier
The silver-plated copper band on surface, the cap rate of wrapped silver-plated copper band is 40%~50%.
5. light-duty steady phase radio-frequency cable according to claim 1, it is characterized in that the screen layer is wrapped in outer conductor appearance
Face, screen layer are formed by the braiding of silver-plated copper coating aluminum B alloy wire.
6. light-duty steady phase radio-frequency cable according to claim 1, it is characterized in that the sheath is wrapped around screen layer appearance
The fluoroplastics in face.
7. the light-duty steady phase radio-frequency cable according to claim, it is characterized in that the fluoroplastics are PFA or FEP.
8. the method for light-duty steady phase radio-frequency cable as claimed in claim 1 is prepared, it is characterized in that this method comprises the following steps：
1）Choose silver-plated copper coating aluminum alloy conductor；
2）Using concentric type winding machine outside silver-plated copper coating aluminum alloy conductor wrapped PTFE micropores band as insulating barrier；
3）After wrapping insulation layer, using wrapped silver-plated copper band as outer conductor, cap rate 40%~50%；
4）After wrapped outer conductor, using silver-plated copper coating aluminum B alloy wire woven shield；
5）PFA or FEP is extruded as cable cover(ing).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710855418.4A CN107611542A (en) | 2017-09-20 | 2017-09-20 | Light-duty steady phase radio-frequency cable and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710855418.4A CN107611542A (en) | 2017-09-20 | 2017-09-20 | Light-duty steady phase radio-frequency cable and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
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| CN107611542A true CN107611542A (en) | 2018-01-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710855418.4A Pending CN107611542A (en) | 2017-09-20 | 2017-09-20 | Light-duty steady phase radio-frequency cable and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110380175A (en) * | 2019-07-16 | 2019-10-25 | 芜湖航天特种电缆厂股份有限公司 | Anti-interference steady phase radio-frequency cable and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101980401A (en) * | 2010-12-01 | 2011-02-23 | 天津安讯达科技有限公司 | Low-loss stationary-phase coaxial radio-frequency cable and manufacturing process thereof |
| CN202711853U (en) * | 2012-07-16 | 2013-01-30 | 神宇通信科技股份公司 | Ultra-light coaxial cable |
| CN204348880U (en) * | 2014-12-12 | 2015-05-20 | 江阴凯博通信科技有限公司 | A kind of Low ESR low leakage half coaxial flexible cable |
| CN204464429U (en) * | 2015-01-23 | 2015-07-08 | 中国电子科技集团公司第二十三研究所 | The flexible stable phase coaxial radio frequency cable of a kind of low-loss |
| 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 |
-
2017
- 2017-09-20 CN CN201710855418.4A patent/CN107611542A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101980401A (en) * | 2010-12-01 | 2011-02-23 | 天津安讯达科技有限公司 | Low-loss stationary-phase coaxial radio-frequency cable and manufacturing process thereof |
| CN202711853U (en) * | 2012-07-16 | 2013-01-30 | 神宇通信科技股份公司 | Ultra-light coaxial cable |
| CN204348880U (en) * | 2014-12-12 | 2015-05-20 | 江阴凯博通信科技有限公司 | A kind of Low ESR low leakage half coaxial flexible cable |
| CN204464429U (en) * | 2015-01-23 | 2015-07-08 | 中国电子科技集团公司第二十三研究所 | The flexible stable phase coaxial radio frequency cable of a kind of low-loss |
| 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 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110380175A (en) * | 2019-07-16 | 2019-10-25 | 芜湖航天特种电缆厂股份有限公司 | Anti-interference steady phase radio-frequency cable and preparation method thereof |
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