CN211208636U - Space irradiation resistant radio frequency coaxial cable - Google Patents
Space irradiation resistant radio frequency coaxial cable Download PDFInfo
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- CN211208636U CN211208636U CN201921893127.5U CN201921893127U CN211208636U CN 211208636 U CN211208636 U CN 211208636U CN 201921893127 U CN201921893127 U CN 201921893127U CN 211208636 U CN211208636 U CN 211208636U
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Abstract
The utility model discloses a resistant space irradiation radio frequency coaxial cable belongs to cable equipment technical field, resistant space irradiation radio frequency coaxial cable includes the cable, the cable includes silver-plated Kevlar fibre, silver-plated Kevlar fibre surface transposition is connected with the silver-plated copper wire, the central conductor structure of cable has been constituteed jointly to silver-plated copper wire and silver-plated Kevlar fibre, silver-plated copper wire surface is connected with the PTFE micropore area around the package, PTFE micropore outband surface is connected with silver-plated copper clad aluminum tape around the package, silver-plated copper clad aluminum tape surface is indulged the package and is connected with the composite band, the one deck silver-plated copper clad aluminum tape has been compiled to the composite band surface, silver-plated copper clad aluminum tape out-band surface parcel is connected with the oversheath layer, the material that the oversheath layer adopted is irradiation crosslinked ethylene-tetrafluoroethylene copolymer. The utility model discloses make the resistant irradiation of cable, cable weight lighter, be fit for being extensively promoted and used.
Description
Technical Field
The utility model relates to a cable equipment technical field especially relates to a resistant space irradiation radio frequency coaxial cable.
Background
The cable is usually composed of several or several groups of wires, and the existing radio frequency cable used for outer space equipment has strict requirements on radiation resistance and weight, and cannot be met by the conventional cable.
Patent number CN200520050581.6 discloses a radiation resistance multicore control cable, the periphery cladding insulating plastic layer of the electrically conductive heart yearn of twisting into by the tinned copper wire, insulating plastic layer's periphery is around package plastic-aluminum composite film layer, the periphery of plastic-aluminum composite film layer is around package polyimide film layer constitution core cable, 3 or core cables more than 3 are hugged closely each other or are twisted into multicore cable, the periphery of multicore cable from interior to exterior is around package plastic-aluminum composite film layer and polyimide film layer in proper order, the periphery of polyimide film layer sets up the cold-resistant sheath of elastomer PVC, still can inlay the dress water conservancy diversion line in the multicore cable. The cable is mainly used for connecting ground control systems or electric appliances in space environments, and has the advantages of cosmic ray resistance, strong electromagnetic interference resistance, high temperature resistance, small specific gravity and good flexibility.
At present, the cable has certain defects in the technology of being used for outer space equipment: 1. the cable is not resistant to irradiation and the weight of the cable exceeds the standard; 2. the cable is long and inconvenient to collect.
SUMMERY OF THE UTILITY MODEL
The utility model provides a resistant space irradiation radio frequency coaxial cable for the cable is resistant to the irradiation, cable weight is lighter, can effectively solve the problem in the background art.
The utility model provides a specific technical scheme as follows:
the utility model provides a pair of resistant space irradiation radio frequency coaxial cable, which comprises a cable, the cable includes silver-plated Kevlar fibre, silver-plated Kevlar fibre surface transposition is connected with the silver-plated copper wire, the central conductor structure of cable has been constituteed jointly to silver-plated copper wire and silver-plated Kevlar fibre, silver-plated copper wire surface is connected with the PTFE micropore area around the package, PTFE micropore outband surface is connected with silver-plated copper clad aluminum strip around the package, silver-plated copper clad aluminum strip surface is indulged the package and is connected with the composite band, composite band surface has been woven and has been had one deck silver-plated copper clad steel wire, silver-plated copper clad steel wire surface parcel is connected with the oversheath layer, the material that the oversheath layer adopted is irradiation crosslinked ethylene-tetrafluoroethylene copolymer.
Optionally, a cable sheath is sleeved on the outer surface of the cable.
Optionally, the upper end of the cable sleeve is fixedly connected with a left fixing band, and the lower end of the cable sleeve is fixedly connected with a right fixing band.
Optionally, the left fixing belt is embedded with a magic tape A, and the right fixing belt is embedded with a magic tape B.
Optionally, the magic tape a and the magic tape B are bonded.
The utility model has the advantages as follows:
1. the utility model discloses practical, convenient operation and excellent in use effect, the inner material of the center conductor of the radio frequency cable adopts silver-plated Kevlar fiber to strand, the outer layer adopts silver-plated copper wire to strand, and then the mould with the nano-diamond composite coating is used for compressing and drawing; after being compacted, the inner part of the conductor becomes irregular polygon shape, but the outer part forms a flexible conductor with stable final outer diameter and round appearance, the maximum clearance (measured by two-dimensional) of the monofilament of the outer layer is less than or equal to 0.10mm, and the conductor density of pure copper metal is 8.89g/cm 3; the density of Kevlar is 1.43g/cm3, the density of the conductor can be 5.00g/cm3 after the Kevlar is compounded with copper wires, the composite conductor with the same size is at least 40% lighter than an all-copper metal conductor, and a PTFE microporous belt is wrapped on the composite conductor and used as a dielectric layer of a cable. The silver-plated copper-clad aluminum tape is wound on the dielectric layer and is used as an outer conductor layer of the cable, and the copper-clad aluminum is adopted as the base material, so that the unit mass of the cable is light. Longitudinally wrapping a layer of composite tape compounded by polyimide and GH4169 steel on the outer conductor layer, and completely wrapping the cable in the composite tape; the steel is a precipitation strengthening nickel-based high-temperature alloy, has good comprehensive performance within the temperature range of-253 ℃ to +650 ℃, and has good anti-fatigue, anti-radiation, anti-oxidation and corrosion-resistant properties. A layer of silver-plated copper-clad steel wire is woven on the outer conductor layer to serve as a shielding layer of the cable and play a role in auxiliary radiation resistance. A layer of irradiation crosslinking ethylene-tetrafluoroethylene copolymer, XETFE for short is extruded on the shielding layer to be used as an outer sheath layer of the cable, and the XETFE sheath has good irradiation resistance and lower density, and is 20% lighter than the conventional Fluoroplastic (FEP) in the same volume, so that the problems that the cable is not irradiation-resistant and the weight of the cable exceeds the standard are solved.
2. The utility model discloses in, through wholly using the cable cover as central fifty percent discount foldingly with the cable, pull left fixed band and right fixed band to tie a bit afterwards to it is fixed to paste A with the magic and paste B and bond the completion, thereby conveniently collect the cable, thereby solved the longer problem of being not convenient for to collect of cable.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic view of a cable structure of a space irradiation resistant radio frequency coaxial cable according to an embodiment of the present invention;
fig. 2 is a schematic structural view of an inner center conductor of a space irradiation resistant radio frequency coaxial cable according to an embodiment of the present invention;
fig. 3 is an external structural schematic diagram of a space irradiation resistant radio frequency coaxial cable according to an embodiment of the present invention;
in the figure: 1. a cable; 101. silver plating Kevlar fiber; 102. silver-plated copper wires; 103. a PTFE microporous tape; 104. silver-plated copper-clad aluminum strips; 105. a composite tape; 106. silver-plated copper-clad steel wires; 107. an outer jacket layer; 2. A cable cover; 3. a left securing strap; 4. a right fixing band; 5. magic tape A; 6. and (6) magic tape B.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
A radio frequency coaxial cable resistant to space irradiation according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 3.
As shown in fig. 1-3, a space irradiation resistant radio frequency coaxial cable comprises a cable 1, wherein the cable 1 comprises silver-plated kevlar fibers 101, silver-plated copper wires 102 are stranded and connected to the outer surfaces of the silver-plated kevlar fibers 101, the silver-plated copper wires 102 and the silver-plated kevlar fibers 101 jointly form a central conductor structure of the cable, PTFE microporous tapes 103 are wound and connected to the outer surfaces of the silver-plated copper-clad aluminum tapes 103, silver-plated copper-clad aluminum tapes 104 are wound and connected to the outer surfaces of the PTFE microporous tapes 103, composite tapes 105 are longitudinally wrapped and connected to the outer surfaces of the silver-plated copper-clad aluminum tapes 104, a layer of silver-plated copper-clad steel wires 106 is woven on the outer surfaces of the composite tapes 105, an outer sheath layer 107 is wrapped and connected to the outer surfaces of the silver-plated copper-clad steel wires 106, and.
In the embodiment, as shown in fig. 1-3, the inner material of the central conductor of the radio frequency cable is stranded by silver-plated kevlar fibers 101, the outer layer is stranded by silver-plated copper wires 102, and then the central conductor is pressed and drawn by a mold with a nano-diamond composite coating; after being compacted, the inner part of the conductor becomes irregular polygon shape, but the outer part forms a flexible conductor with stable final outer diameter and round appearance, the maximum clearance (measured by two-dimensional) of the monofilament of the outer layer is less than or equal to 0.10mm, and the conductor density of pure copper metal is 8.89g/cm 3; the density of Kevlar is 1.43g/cm3, the density of the conductor can be 5.00g/cm3 after the Kevlar is compounded with copper wires, the compound conductor with the same size is at least 40% lighter than an all-copper metal conductor, and a PTFE microporous belt 103 is wrapped on the compound conductor and used as a dielectric layer of the cable. The silver-plated copper-clad aluminum tape 104 is wound on the dielectric layer and is used as an outer conductor layer of the cable, and the copper-clad aluminum is adopted as the base material, so that the unit mass of the cable is light. Longitudinally wrapping a layer of composite tape 105 compounded by polyimide and GH4169 steel on the outer conductor layer, and completely wrapping the cable in the composite tape 105; the steel is a precipitation strengthening nickel-based high-temperature alloy, has good comprehensive performance within the temperature range of-253 ℃ to +650 ℃, and has good anti-fatigue, anti-radiation, anti-oxidation and corrosion-resistant properties. A layer of silver-plated copper-clad steel wire 106 is woven on the outer conductor layer to serve as a shielding layer of the cable and play a role in auxiliary radiation resistance. A layer of irradiation cross-linked ethylene-tetrafluoroethylene copolymer (XETFE for short) is extruded on the shielding layer to be used as an outer sheath layer 107 of the cable 1, and the XETFE sheath has good irradiation resistance and lower density and is 20% lighter than the conventional Fluoroplastic (FEP) in the same volume.
Wherein, the outer surface of the cable 1 is sleeved with a cable sleeve 2.
In the present embodiment, as shown in fig. 3, the entire cable 1 is folded with the cable cover 2 as a center.
Wherein, 2 upper ends fixedly connected with left fixed band 3 of cable sheathing, 2 lower extreme fixedly connected with right fixed band 4 of cable sheathing.
In this embodiment, as shown in fig. 3, the cable 1 is bundled by pulling the left fixing band 3 and the right fixing band 4 to a point.
Wherein, it is connected with magic subsides A5 to inlay on the left side fixed band 3, it is connected with magic subsides B6 to inlay on the right side fixed band 4.
As shown in fig. 3, the left fixing band 3 and the right fixing band 4 are conveniently fixed by adhering the magic tape a5 and the magic tape B6.
The magic tape A5 and the magic tape B6 are connected in an adhesive mode.
In this embodiment, as shown in fig. 3, the cable 1 is conveniently collected by adhering the hook and loop fastener a5 and the hook and loop fastener B6.
The utility model relates to a radio frequency coaxial cable with space irradiation resistance, the inner material of the central conductor of the radio frequency coaxial cable is twisted by silver-plated Kevlar fiber 101, the outer layer is twisted by silver-plated copper wire 102, and then the cable is pressed and drawn by a mold with a nano diamond composite coating; after being compacted, the inner part of the conductor becomes irregular polygon shape, but the outer part forms a flexible conductor with stable final outer diameter and round appearance, the maximum clearance (measured by two-dimensional) of the monofilament of the outer layer is less than or equal to 0.10mm, and the conductor density of pure copper metal is 8.89g/cm 3; the density of Kevlar is 1.43g/cm3, the density of the conductor can be 5.00g/cm3 after the Kevlar is compounded with copper wires, the compound conductor with the same size is at least 40% lighter than an all-copper metal conductor, and a PTFE microporous belt 103 is wrapped on the compound conductor and used as a dielectric layer of the cable. The silver-plated copper-clad aluminum tape 104 is wound on the dielectric layer and is used as an outer conductor layer of the cable, and the copper-clad aluminum is adopted as the base material, so that the unit mass of the cable is light. Longitudinally wrapping a layer of composite tape 105 compounded by polyimide and GH4169 steel on the outer conductor layer, and completely wrapping the cable in the composite tape 105; the steel is a precipitation strengthening nickel-based high-temperature alloy, has good comprehensive performance within the temperature range of-253 ℃ to +650 ℃, and has good anti-fatigue, anti-radiation, anti-oxidation and corrosion-resistant properties. A layer of silver-plated copper-clad steel wire 106 is woven on the outer conductor layer to serve as a shielding layer of the cable and play a role in auxiliary radiation resistance. Extruding a layer of irradiation crosslinking ethylene-tetrafluoroethylene copolymer (XETFE for short) on the shielding layer to be used as an outer sheath layer 107 of the cable 1, wherein the XETFE sheath has good irradiation resistance, lower density and 20% lighter weight than that of the conventional Fluoroplastic (FEP) in the same volume; through using cable 1 whole to use cable cover 2 to fold as the center, pull left fixed band 3 and right fixed band 4 to a bit afterwards and bundle to paste A5 with the magic and paste B6 and bond thereby accomplish fixedly, thereby conveniently collect cable 1.
The utility model discloses a cable 1; silver-plated Kevlar fibers 101; silver-plated copper wire 102; a PTFE microporous tape 103; silver-plated copper-clad aluminum tape 104; a composite tape 105; silver-plated copper-clad steel wires 106; an outer jacket layer 107; a cable sheath 2; a left fixing strap 3; a right fixing belt 4; magic tape A5; the magic tape B6 components are all universal standard parts or components known to those skilled in the art, and the structure and principle thereof can be known to those skilled in the art through technical manuals or through routine experiments.
It is apparent that those skilled in the art can make various changes and modifications to the embodiments of the present invention without departing from the spirit and scope of the embodiments of the present invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (5)
1. A space irradiation resistant radio frequency coaxial cable comprises a cable (1) and is characterized in that, the cable (1) comprises silver-plated Kevlar fibers (101), silver-plated copper wires (102) are connected to the outer surfaces of the silver-plated Kevlar fibers (101) in a twisted manner, the silver-plated copper wire (102) and the silver-plated Kevlar fiber (101) jointly form a central conductor structure of the cable, the outer surface of the silver-plated copper wire (102) is wrapped and connected with a PTFE microporous belt (103), the outer surface of the PTFE microporous belt (103) is wrapped and connected with a silver-plated copper-clad aluminum belt (104), the outer surface of the silver-plated copper-clad aluminum strip (104) is longitudinally wrapped and connected with a composite strip (105), a layer of silver-plated copper-clad steel wire (106) is woven on the outer surface of the composite belt (105), the outer surface of the silver-plated copper-clad steel wire (106) is wrapped and connected with an outer sheath layer (107), the outer sheath layer (107) is made of irradiation cross-linked ethylene-tetrafluoroethylene copolymer.
2. A radio frequency coaxial cable resistant to space irradiation, according to claim 1, characterized in that the cable (1) is sleeved with a cable sleeve (2) on the outer surface.
3. A space irradiation resistant radio frequency coaxial cable according to claim 2, characterized in that the upper end of the cable sheath (2) is fixedly connected with a left fixing band (3), and the lower end of the cable sheath (2) is fixedly connected with a right fixing band (4).
4. A space irradiation resistant radio frequency coaxial cable according to claim 3, wherein magic tape A (5) is embedded and connected on the left fixing strap (3), and magic tape B (6) is embedded and connected on the right fixing strap (4).
5. A space irradiation resistant radio frequency coaxial cable according to claim 4, characterized in that the magic tape A (5) and the magic tape B (6) are bonded together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921893127.5U CN211208636U (en) | 2019-11-05 | 2019-11-05 | Space irradiation resistant radio frequency coaxial cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921893127.5U CN211208636U (en) | 2019-11-05 | 2019-11-05 | Space irradiation resistant radio frequency coaxial cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211208636U true CN211208636U (en) | 2020-08-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921893127.5U Active CN211208636U (en) | 2019-11-05 | 2019-11-05 | Space irradiation resistant radio frequency coaxial cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211208636U (en) |
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- 2019-11-05 CN CN201921893127.5U patent/CN211208636U/en active Active
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