CN207572510U - Light-duty steady phase radio-frequency cable - Google Patents
Light-duty steady phase radio-frequency cable Download PDFInfo
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- CN207572510U CN207572510U CN201721206050.0U CN201721206050U CN207572510U CN 207572510 U CN207572510 U CN 207572510U CN 201721206050 U CN201721206050 U CN 201721206050U CN 207572510 U CN207572510 U CN 207572510U
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- conductor
- silver
- insulating layer
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- plated copper
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Abstract
The utility model is a kind of light-duty steady phase radio-frequency cable, and structure includes conductor, insulating layer, outer conductor, shielded layer, sheath；Wherein, outside conductor it is insulating layer, is outer conductor outside insulating layer, is shielded layer outside outer conductor, is sheath outside shielded layer.Advantage：With the performances such as the high and low loss of light-weight, cutoff frequency, steady phase, high-low temperature resistant, can be used for a long time in the range of 65~+165 DEG C.
Description
Technical field
The utility model relates to a kind of light-duty steady phase radio-frequency cables, 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, and light-duty steady phase radio-frequency cable is succeeded in developing, and disclosure satisfy that domestic weapon system-of-systems are mating
To loss of weight there is an urgent need to.
Utility model content
The utility model proposes a kind of light-duty steady phase radio-frequency cable, purpose is intended to overcome existing conventional type radio frequency same
The defects of weight present in shaft cable is larger.
The technical solution of the utility model：Light-duty steady phase radio-frequency cable, structure include conductor 1, insulating layer 2, outside
Conductor 3, shielded layer 4, sheath 5；Wherein, outside conductor 1 it is insulating layer 2, is outer conductor 3 outside insulating layer 2, is shielding outside outer conductor 3
Layer 4, shielded layer 4 are outside sheaths 5.
Advantage：
1）Shielded 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 the characteristics of more than 15% amount, 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 made both to have good electric conductivity, and weight is big
It is big to reduce；
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 than other low loss cables of same type
15%；
5）Remarkable electrical property and ambient adaptability：The work of aviation harsh environment is can adapt to, there is cutoff frequency height, pass
The performances such as defeated rate fast (84%), low-loss, steady phase, high-low temperature resistant,（- 65~+165）It is used for a long time in the range of DEG C；
6）This cable has the characteristics that be lighter than same specification phase-compensated cable weight 20%-30%；
7）The work of aviation harsh environment is can adapt to, there is light-weight, the high and low loss of cutoff frequency, steady phase, high-low temperature resistant
Etc. performances, can be（- 65~+165）It is used for a long time in the range of DEG C.
Description of the drawings
Attached drawing 1 is the structure diagram of the present invention/utility model.
Attached drawing 2 is the production technological process of the present invention/utility model.
1 is conductor in attached drawing, and 2 be insulating layer, and 3 be outer conductor, and 4 be shielded layer, and 5 be sheath.
Specific embodiment
Attached drawing, light-duty steady phase radio-frequency cable are compareed, structure includes conductor 1, insulating layer 2, outer conductor 3, shielded layer 4, shield
Set 5；Wherein, outside conductor 1 it is insulating layer 2, is outer conductor 3 outside insulating layer 2, be shielded layer 4 outside outer conductor 3, is shield outside shielded layer 4
Set 5.
The 1 single silver-plated copper coating aluminum alloy conductor of conductor or several 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 attenuation, standing wave are preferable；Stranded conductor
Softness is preferable, more soft than single conductor.
The stranded conductor that several 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 layer 2 is 3~9 layers of PTFE micropore bands around 1 outer surface of conductor, and multilayer is wrapped steady with structure
Calmly, the advantages that good concentricity, uniform external diameter.
The outer conductor 3 is the silver-plated copper band around 2 outer surface of insulating layer, and the cap rate of wrapped silver-plated copper band is 40%
~50%, this cap rate is with structural stability is high, bending property is relatively superior, good electrical property advantage.
The shielded layer 4 is wrapped in 3 outer surface of outer conductor, and shielded layer 4 is woven by silver-plated copper coating aluminum B alloy wire.
The sheath 5 is wrapped around the fluoroplastics of 4 outer surface of shielded layer.
The fluoroplastics are preferably PFA or FEP.
The preparation method of light-duty steady phase radio-frequency cable, includes 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 layer 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 squeezed out as cable cover(ing) 5.
Embodiment 1
Light-duty steady phase radio-frequency cable, structure are made of conductor 1, insulating layer 2, outer conductor 3, shielded layer 4, sheath 5；Its
In, it is insulating layer 2 outside conductor 1, is outer conductor 3 outside insulating layer 2, is shielded layer 4 outside outer conductor 3, is sheath 5 outside shielded layer 4.
The conductor 1 is the stranded conductor that 19 silver-plated copper coating aluminum B alloy wires twist together.
The insulating layer 2 is 6 layers of PTFE micropore bands around 1 outer surface of conductor.
The outer conductor 3 is the silver-plated copper band around 2 outer surface of insulating layer, and the cap rate of wrapped silver-plated copper band is 43%.
The shielded layer 4 is wrapped in 3 outer surface of outer conductor, and shielded layer 4 is woven by silver-plated copper coating aluminum B alloy wire.
The sheath 5 is wrapped around the fluoroplastics of 4 outer surface of shielded layer.
The fluoroplastics are FEP.
Embodiment 2
Light-duty steady phase radio-frequency cable, selects 1.40 ± 0.02mm of single silver-plated copper coating aluminum alloy conductor；Using concentric type around
The wrapped multilayer 0.152mm thickness PTFE micropore bands of chartered plane, cap rate are in 48%~50%, outer insulation diameter 3.75mm；Using
0.05mm thickness, 2.4mm width silver-plated coppers band carry out the wrapped of outer conductor using winding machine, outer diameter control 3.95 ±
0.03mm；By accurate wrapped control cable outer conductor outer diameter tolerance, standing wave, attenuation, the steady equal performance electricity for enhancing cable are joined
It counts, after wrapped outer conductor, using silver-plated copper coating aluminum B alloy wire braid shielded, count >=95% uses silver-plated copper coating aluminum alloy
Silk replaces silver-gilt copper wire, substantially reduces the weight of cable；Last extrusion molding PFA sheaths.
The utility model is improved conductor and braiding layer, reduces conductor and braiding layer weight forms, can extensive use
In fields such as the existing Aeronautics and Astronautics increasingly stringenter to weight demands.
Claims (1)
1. light-duty steady phase radio-frequency cable, it is characterized in that including conductor, insulating layer, outer conductor, shielded layer, sheath；Wherein, outside conductor
It is insulating layer, is outer conductor outside insulating layer, is shielded layer outside outer conductor, is sheath outside shielded layer；
The conductor is the stranded conductor that 19 silver-plated copper coating aluminum B alloy wires twist together；
The insulating layer is 3~9 layers of PTFE micropore bands around conductor outside surfaces；
The outer conductor is the silver-plated copper band around insulating layer outer surface, and the cap rate of wrapped silver-plated copper band is 40%~50%；
The shielded layer is wrapped in outer conductor outer surface, and shielded layer is woven by silver-plated copper coating aluminum B alloy wire；
The sheath is wrapped around the fluoroplastics of shielded layer outer surface；
The fluoroplastics are PFA or FEP；
The silver-plated copper band around insulating layer outer surface is 0.05mm thickness, the silver-plated copper band of 2.4mm width.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721206050.0U CN207572510U (en) | 2017-09-20 | 2017-09-20 | Light-duty steady phase radio-frequency cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721206050.0U CN207572510U (en) | 2017-09-20 | 2017-09-20 | Light-duty steady phase radio-frequency cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207572510U true CN207572510U (en) | 2018-07-03 |
Family
ID=62698332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721206050.0U Active CN207572510U (en) | 2017-09-20 | 2017-09-20 | Light-duty steady phase radio-frequency cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207572510U (en) |
-
2017
- 2017-09-20 CN CN201721206050.0U patent/CN207572510U/en active Active
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