CN107993753A - A kind of small outside diameter high-speed cable of low-loss - Google Patents
A kind of small outside diameter high-speed cable of low-loss Download PDFInfo
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- CN107993753A CN107993753A CN201711489559.5A CN201711489559A CN107993753A CN 107993753 A CN107993753 A CN 107993753A CN 201711489559 A CN201711489559 A CN 201711489559A CN 107993753 A CN107993753 A CN 107993753A
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- 238000009413 insulation Methods 0.000 claims abstract description 17
- 239000004809 Teflon Substances 0.000 claims abstract description 11
- 229920006362 Teflon® Polymers 0.000 claims abstract description 11
- -1 polytetrafluoroethylene ethylene Polymers 0.000 claims abstract description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 100
- 239000010949 copper Substances 0.000 claims description 53
- 229910052802 copper Inorganic materials 0.000 claims description 53
- 241000209140 Triticum Species 0.000 claims description 47
- 235000021307 Triticum Nutrition 0.000 claims description 47
- 239000011889 copper foil Substances 0.000 claims description 41
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 38
- 229910052782 aluminium Inorganic materials 0.000 claims description 38
- 239000005030 aluminium foil Substances 0.000 claims description 23
- 239000011248 coating agent Substances 0.000 claims description 21
- 238000000576 coating method Methods 0.000 claims description 21
- 239000011888 foil Substances 0.000 claims description 18
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 17
- 239000004020 conductor Substances 0.000 claims description 17
- 239000012943 hotmelt Substances 0.000 claims description 17
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- NEIHULKJZQTQKJ-UHFFFAOYSA-N [Cu].[Ag] Chemical compound [Cu].[Ag] NEIHULKJZQTQKJ-UHFFFAOYSA-N 0.000 claims description 10
- 239000004411 aluminium Substances 0.000 claims description 8
- 239000004698 Polyethylene Substances 0.000 claims description 6
- 238000009954 braiding Methods 0.000 claims description 6
- 239000008358 core component Substances 0.000 claims description 6
- 239000004800 polyvinyl chloride Substances 0.000 claims description 6
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 6
- 239000004433 Thermoplastic polyurethane Substances 0.000 claims description 5
- 229920001971 elastomer Polymers 0.000 claims description 5
- 229920002803 thermoplastic polyurethane Polymers 0.000 claims description 5
- 239000000155 melt Substances 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 229920000098 polyolefin Polymers 0.000 claims description 3
- 239000000779 smoke Substances 0.000 claims description 3
- 239000000806 elastomer Substances 0.000 claims description 2
- XUCNUKMRBVNAPB-UHFFFAOYSA-N fluoroethene Chemical compound FC=C XUCNUKMRBVNAPB-UHFFFAOYSA-N 0.000 claims 2
- 150000001336 alkenes Chemical class 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 9
- 230000003287 optical effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910000989 Alclad Inorganic materials 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 229920003225 polyurethane elastomer Polymers 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B11/00—Communication cables or conductors
- H01B11/02—Cables with twisted pairs or quads
- H01B11/06—Cables with twisted pairs or quads with means for reducing effects of electromagnetic or electrostatic disturbances, e.g. screens
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/04—Flexible cables, conductors, or cords, e.g. trailing cables
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
- H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Insulated Conductors (AREA)
- Communication Cables (AREA)
Abstract
The invention discloses a kind of small outside diameter high-speed cable of low-loss, it is characterised in that：Including some bursts of core groups, the first screen layer outside some bursts of core groups, the secondary shielding layer being coated on outside first screen layer and the oversheath being coated on outside secondary shielding layer are coated on；Each core group includes two articles of cored wires while the first L/EPTFE teflon insulations layer of wrapped two articles of cored wires, around the 3rd shielded layer being wrapped in outside the L/EPTFE teflon insulations layer and around the small serving being wrapped in outside the 3rd shielded layer；The cored wire includes inner wire and around the 2nd L/EPTFE polytetrafluoroethylene ethylene layer being wrapped in outside the inner wire.The present invention can reach 100% shield effectiveness, and insulation protection effect is also very good；And wrapped L/EPTFE polytetrafluoroethylene ethylene layers outside the inner wire of the present invention, wire rod is become soft, but also the temperature tolerance of wire rod is improved, its temperature tolerance reaches 45 DEG C to 200 DEG C.
Description
Technical field
The present invention relates to electronic signal interface line technical field, more particularly to a kind of small outside diameter high-speed cable of low-loss.
Background technology
At present, the electronic signal such as SFP, QSFP, CXP interface line is gradually applied in a communications device.SFP （Small
Form-factor Pluggables）The upgraded version of GBIC can be simply interpreted as；SFP modules（Volume ratio GBIC modules
Half is reduced, can be configured on identical panel and have more more than one times of port number；Due to SFP modules functionally with GBIC
It is basically identical, therefore, also it is known as minimizing GBIC by some interchanger manufacturers（Mini-GBIC）；SFP modules by by CDR and
Electrical dispersion compensation has been placed on outside module, and more have compressed size and power consumption；Should for optic communication in telecommunications and data communication
With；SFP connected networks the equipment such as mainboard of the equipment such as interchanger, router and optical fiber or UTP cables.QSFP（Quad Small
Form-factor Pluggable）：Four-way SFP interfaces (QSFP), QSFP are to meet market to more highdensity high speed
The demand of pluggable solution and be born；The pluggable interface transmission rate of this 4 passage has reached more than 40Gbps.
The transmission rate of CXP optical modules is up to 12 × 10Gbps, supports hot plug, CXP optical modules mainly for high-speed computer market,
It is supplement of the CFP optical module in Ethernet data center.
At present, the shielding of the interface line such as SFP, QSFP, CXP and insulation protection effect are poor, and the insulator of cored wire uses
Solid or foaming extrusion insulation system, its insulation is harder, and temperature tolerance is poor, and small space connection, inconvenient indoors.
The content of the invention
The technical problem to be solved in the present invention is according to above-mentioned the deficiencies in the prior art, there is provided one kind shielding and insulation protection
The small outside diameter high-speed cable of low-loss that effect is good, wire rod is soft, temperature tolerance is good.
In order to solve the above technical problems, the technical scheme is that：A kind of small outside diameter high-speed cable of low-loss, if including
Carried interest core group, is coated on the first screen layer outside some bursts of core groups, the secondary shielding being coated on outside first screen layer
Layer and the oversheath being coated on outside secondary shielding layer；Each core group includes two cored wires while described two wrapped
First L/EPTFE teflon insulations layer of cored wire, around the 3rd be wrapped in outside the L/EPTFE teflon insulations layer
Shielded layer and around the small serving being wrapped in outside the 3rd shielded layer；The cored wire is described interior including inner wire and around being wrapped in
The 2nd L/EPTFE polytetrafluoroethylene ethylene layers outside conductor.
Preferably, the first screen layer is aluminium foil layer or copper foil layer, and thickness is 6-25 μm, wherein, aluminium foil layer is fine aluminium
Paper tinsel, single side aluminium foil wheat draw, double-sided aluminum foil wheat draw, single side aluminium foil hot melt wheat draw, double-sided aluminum foil hot melt wheat draw in any one, copper
During layers of foil is pure copper foil, single side copper foil wheat is drawn, two-sided copper foil wheat is drawn, single side copper foil heats wheat drawing, two-sided copper foil hot melt wheat is drawn
Any one；The secondary shielding layer for tinned copper wire braiding layer or tin-coated copper plated aluminium silk braiding layer, tinned copper wire or
A diameter of 102-127 μm of tin-coated copper plated aluminium silk；The oversheath for flame-proof PVC polyvinyl chloride, LSZH low-smoke halogen-free polyolefins,
Any of TPU thermoplastic polyurethane elastomer rubber, PE polyethylene.
Preferably, the 3rd shielded layer is wrapped aluminium foil layer or copper foil layer, and thickness is 6-25 μm, wherein, aluminium foil layer is
It is any one during pure aluminum foil, single side aluminium foil wheat are drawn, double-sided aluminum foil wheat is drawn, single side aluminium foil hot melt wheat is drawn, double-sided aluminum foil hot melt wheat is drawn
Kind, copper foil layer is pure copper foil, single side copper foil wheat is drawn, two-sided copper foil wheat is drawn, single side copper foil hot melt wheat is drawn, two-sided copper foil heats wheat and draws
In any one；The small serving melts PET strip layer for heat, and thickness is 6-25 μm；The inner wire is silver-plated copper, tin plating
Any one in copper, naked copper, silver-copper plated steel clad, silver-plated copper coating aluminum conductor, a diameter of 40-511 μm, the thickness of coating is 0.3-
2.0μm。
Preferably, a ground wire is additionally provided between the first L/EPTFE teflon insulations layer and the 3rd shielded layer, institute
Ground wire is stated positioned at the crack side of two cored wires；The ground wire is silver-plated copper, tin-coated copper, naked copper, silver-copper plated steel clad, silver-plated copper-clad
Any one in aluminium conductor, a diameter of 40-511 μm；The thickness of coating is 0.3-2.0 μm.
Preferably, the core group has two strands, four strands or stereotyped writing, may be contained within first screen layer.
Preferably, the core group has 24 strands, and every two bursts of core groups form one core group pair, form 12 strand cores altogether
Group pair, and per share core group is coated with the 4th shielded layer to it；12 bursts of core groups to be divided into three strands core group pair and
Nine bursts of outer core groups pair, core group in isosceles triangle to being arranged in the middle part of the small outside diameter high-speed cable of low-loss in three strands, nine bursts of outside lines
Core group is distributed in annular interior core group to outside.
Preferably, two ground wires are additionally provided between the first L/EPTFE teflon insulations layer and the 3rd shielded layer, institute
Two ground wires are stated respectively positioned at two sides of two cored wires；The ground wire is silver-plated copper, tin-coated copper, naked copper, silver-copper plated steel clad, silver-plated
Any one in copper clad aluminum conductor, a diameter of 40-511 μm；The thickness of coating is 0.3-2.0 μm.Further, the core group
With 8 strands, 8 strand core components are core group and 6 bursts of outer core groups in 2 strands, and 6 bursts of outer core group annulars are distributed in interior core group
Outside.
Preferably, the 3rd shielded layer is the compact arranged copper conductor of a circle or aluminum conductor, and the small serving is heat
Melt PET strip layer, thickness is 6-25 μm；The inner wire is silver-plated copper, tin-coated copper, naked copper, silver-copper plated steel clad, silver-plated copper coating aluminum are led
Any one in body, a diameter of 40-511 μm, the thickness of coating is 0.3-2.0 μm.Further, the core group has 8 strands,
8 strand core components are core group and 6 bursts of outer core groups in 2 strands, and 6 bursts of outer core group annulars are distributed on the outside of interior core group.
The beneficial effects of the invention are as follows：If multilayer screen layer outside one, the carried interest coaxial line of the present invention or core group
And restrictive coating, the present invention can be made to reach 100% shield effectiveness to signal, and insulation protection effect is also very good；Secondly, the present invention
Inner wire outside wrapped L/EPTFE polytetrafluoroethylene ethylene layers, wire rod is become soft, but also improve the heatproof of wire rod
Property, its temperature tolerance reaches -45 DEG C to 200 DEG C.
Brief description of the drawings
Fig. 1 is the cross section structure schematic diagram of core group in embodiment one.
Fig. 2 is the flexible package interface line cross section structure schematic diagram for having in embodiment one two bursts of core groups.
Fig. 3 is the flexible package interface line cross section structure schematic diagram for having in embodiment one four bursts of core groups.
Fig. 4 is the flexible package interface line cross section structure schematic diagram for having in embodiment one stereotyped writing core group.
Fig. 5 is the flexible package interface line cross section structure schematic diagram for having in embodiment one 24 bursts of core groups.
Fig. 6 is the cross section structure schematic diagram of core group in embodiment two.
Fig. 7 is the small outside diameter high-speed cable cross section structure schematic diagram of low-loss for having in embodiment two stereotyped writing core group.
Fig. 8 is the cross section structure schematic diagram of core group in embodiment three.
Fig. 9 is the small outside diameter high-speed cable cross section structure schematic diagram of low-loss for having in embodiment three stereotyped writing core group.
Embodiment
The structural principle and operation principle of the present invention are described in further detail below in conjunction with the accompanying drawings.
Embodiment one
As Figure 1-Figure 5, the small outside diameter high-speed cable of a kind of low-loss, including some bursts of core groups 100, are coated on some strands
First screen layer 1 outside core group 100, the secondary shielding layer 2 being coated on outside first screen layer and it is coated on secondary shielding layer
Outside oversheath 3；Each core group 100 includes the first L/ of two articles of cored wires 4 while wrapped two articles of cored wires 4
EPTFE teflon insulations layer 5, around the 3rd shielded layer 6 being wrapped in outside the L/EPTFE teflon insulations layer and
Around the small serving 7 being wrapped in outside the 3rd shielded layer；The cored wire 4 include inner wire 41 and around be wrapped in the inner wire it
The 2nd outer L/EPTFE polytetrafluoroethylene ethylene layers 42.
The first screen layer 1 is aluminium foil layer or copper foil layer, and thickness is 6-25 μm, wherein, aluminium foil layer is pure aluminum foil, single side
Aluminium foil wheat draw, double-sided aluminum foil wheat draw, single side aluminium foil hot melt wheat draw, double-sided aluminum foil hot melt wheat draw in any one, copper foil layer is
It is any one during pure copper foil, single side copper foil wheat are drawn, two-sided copper foil wheat is drawn, single side copper foil hot melt wheat is drawn, two-sided copper foil hot melt wheat is drawn
Kind；The secondary shielding layer 2 is the braiding layer of tinned copper wire or the braiding layer of tin-coated copper plated aluminium silk, tinned copper wire or tin-coated copper
A diameter of 102-127 μm of alclad silk；The oversheath 3 is flame-proof PVC polyvinyl chloride, LSZH low-smoke halogen-free polyolefins, TPU heat
Any of plastic polyurethane elastomer rubber, PE polyethylene.
3rd shielded layer 5 is wrapped aluminium foil layer or copper foil layer, and thickness is 6-25 μm, wherein, aluminium foil layer is pure aluminum foil,
Single side aluminium foil wheat draw, double-sided aluminum foil wheat draw, single side aluminium foil hot melt wheat draw, double-sided aluminum foil hot melt wheat draw in any one, copper foil
Layer is pure copper foil, single side copper foil wheat is drawn, two-sided copper foil wheat is drawn, single side copper foil hot melt wheat is drawn, two-sided copper foil heats appointing during wheat is drawn
Meaning is a kind of；The small serving 7 melts PET strip layer for heat, and thickness is 6-25 μm；The inner wire 41 is silver-plated copper, tin-coated copper, naked
Any one in copper, silver-copper plated steel clad, silver-plated copper coating aluminum conductor, a diameter of 40-511 μm, the thickness of coating is 0.3-2.0 μ
m。
As shown in Figure 1, it is additionally provided with a ground between the first L/EPTFE teflon insulations layer 5 and the 3rd shielded layer 6
Line 8, the ground wire 8 is positioned at the crack side of two cored wires 41；The ground wire 8 is silver-plated copper, tin-coated copper, naked copper, silver-plated copper-clad
Any one in steel, silver-plated copper coating aluminum conductor, a diameter of 40-511 μm；The thickness of coating is 0.3-2.0 μm.
As shown in figs 2-4, the core group 100 has two strands, four strands or stereotyped writing, may be contained within first screen layer 1 it
It is interior.Wherein have and be equipped with control line 9 in the middle part of the cable of four bursts of core groups 100.
As shown in figure 5, the core group 100 has 24 strands, every two bursts of core groups 100 form one core group pair, altogether structure
Into 12 bursts of core groups pair, and per share core group is coated with the 4th shielded layer to it；12 bursts of core groups are to being divided into three strands
Core group pair and nine bursts of outer core groups pair, core group in isosceles triangle to being arranged in the small outside diameter high-speed cable of low-loss in three strands
Portion, nine bursts of outer core groups are distributed in annular interior core group to outside.
Embodiment two
As shown in Figure 6 and Figure 7, embodiment two is compared with embodiment one, and difference lies in the first L/EPTFE polytetrafluoros of embodiment two
Two ground wires 10 are additionally provided between 5 and the 3rd shielded layer 6 of ethene insulating layer, two ground wire 10 is respectively positioned at the two of two cored wires 4
Side；The ground wire 10 is any one in silver-plated copper, tin-coated copper, naked copper, silver-copper plated steel clad, silver-plated copper coating aluminum conductor, directly
Footpath is 40-511 μm；The thickness of coating is 0.3-2.0 μm.
As shown in fig. 7, the core group 100 has 8 strands, 8 strand core components are core group and 6 bursts of outer core groups in 2 strands,
6 bursts of outer core group annulars are distributed in the outside of interior core group.
Embodiment three
As shown in Figure 8 and Figure 9, for embodiment three compared with embodiment one, the 3rd shielded layer 6 difference lies in embodiment three is a circle
Compact arranged copper conductor or aluminum conductor, the core group 100 have 8 strands, 8 strand core components for core group in 2 strands and 6 strands it is outer
Core group, 6 bursts of outer core group annulars are distributed on the outside of interior core group.
The above, is only better embodiment of the present invention, every implementation according to technical scheme to more than
Any subtle modifications, equivalent variations and modifications that mode is made, belong in the range of technical solution of the present invention.
Claims (10)
- A kind of 1. small outside diameter high-speed cable of low-loss, it is characterised in that：Including some bursts of core groups, some bursts of core groups are coated on Outside first screen layer, the secondary shielding layer being coated on outside first screen layer and the outer shield being coated on outside secondary shielding layer Set；Each core group includes the first L/EPTFE teflon insulations of two articles of cored wires while wrapped two articles of cored wires Layer, around the 3rd shielded layer being wrapped in outside the L/EPTFE teflon insulations layer and around being wrapped in the 3rd shielded layer Outside small serving；The cored wire includes inner wire and around the 2nd L/EPTFE polytetrafluoroethyl-ne being wrapped in outside the inner wire Alkene layer.
- 2. the small outside diameter high-speed cable of low-loss according to claim 1, it is characterised in that：The first screen layer is aluminium foil Layer or copper foil layer, thickness are 6-25 μm, wherein, aluminium foil layer is pure aluminum foil, single side aluminium foil wheat is drawn, double-sided aluminum foil wheat is drawn, single side aluminium The drawing of paper tinsel hot melt wheat, double-sided aluminum foil heat any one during wheat is drawn, and copper foil layer is pure copper foil, single side copper foil wheat is drawn, two-sided copper foil Mai La, single side copper foil heat any one in wheat drawing, the hot melt wheat drawing of two-sided copper foil；The secondary shielding layer is tinned copper wire A diameter of 102-127 μm of the braiding layer of braiding layer or tin-coated copper plated aluminium silk, tinned copper wire or tin-coated copper plated aluminium silk；It is described outer Sheath is flame-proof PVC polyvinyl chloride, in LSZH low-smoke halogen-free polyolefins, TPU thermoplastic polyurethane elastomer rubber, PE polyethylene It is any.
- 3. the small outside diameter high-speed cable of low-loss according to claim 1, it is characterised in that：3rd shielded layer is wrapped Aluminium foil layer or copper foil layer, thickness are 6-25 μm, wherein, aluminium foil layer is pure aluminum foil, single side aluminium foil wheat is drawn, double-sided aluminum foil wheat is drawn, single Face aluminium foil hot melt wheat drawing, double-sided aluminum foil heat any one during wheat is drawn, and copper foil layer is pure copper foil, single side copper foil wheat is drawn, is two-sided The drawing of copper foil wheat, single side copper foil heat any one in wheat drawing, the hot melt wheat drawing of two-sided copper foil；The small serving melts PET for heat Belt, thickness are 6-25 μm；The inner wire is silver-plated copper, in tin-coated copper, naked copper, silver-copper plated steel clad, silver-plated copper coating aluminum conductor Any one, a diameter of 40-511 μm, the thickness of coating is 0.3-2.0 μm.
- 4. the small outside diameter high-speed cable of low-loss according to claim 3, it is characterised in that：First L/EPTFE poly- four A ground wire is additionally provided between vinyl fluoride insulating layer and the 3rd shielded layer, the ground wire is positioned at the crack side of two cored wires；It is described Ground wire is silver-plated copper, tin-coated copper, naked copper, silver-copper plated steel clad, any one in silver-plated copper coating aluminum conductor, a diameter of 40-511 μ m；The thickness of coating is 0.3-2.0 μm.
- 5. the small outside diameter high-speed cable of low-loss according to claim 4, it is characterised in that：The core group have two strands, Four strands or stereotyped writing, may be contained within first screen layer.
- 6. the small outside diameter high-speed cable of low-loss according to claim 4, it is characterised in that：The core group has 24 strands, Every two bursts of core groups form one core group pair, form 12 bursts of core groups pair altogether, and per share core group is coated with the 4th to it Shielded layer；12 bursts of core groups are to being divided into core group pair and nine bursts of outer core groups pair in three strands, and core group is in product in three strands Font is arranged in the middle part of the small outside diameter high-speed cable of low-loss, and nine bursts of outer core groups are distributed in annular interior core group to outside.
- 7. the small outside diameter high-speed cable of low-loss according to claim 3, it is characterised in that：First L/EPTFE poly- four Two ground wires are additionally provided between vinyl fluoride insulating layer and the 3rd shielded layer, two ground wire is respectively positioned at two sides of two cored wires； The ground wire is silver-plated copper, tin-coated copper, naked copper, silver-copper plated steel clad, any one in silver-plated copper coating aluminum conductor, a diameter of 40- 511μm；The thickness of coating is 0.3-2.0 μm.
- 8. the small outside diameter high-speed cable of low-loss according to claim 7, it is characterised in that：The core group is with 8 strands, 8 Strand core component is core group and 6 bursts of outer core groups in 2 strands, and 6 bursts of outer core group annulars are distributed in the outside of interior core group.
- 9. the small outside diameter high-speed cable of low-loss according to claim 1, it is characterised in that：3rd shielded layer is a circle Compact arranged copper conductor or aluminum conductor, the small serving melt PET strip layer for heat, and thickness is 6-25 μm；The inner wire is Any one in silver-plated copper, tin-coated copper, naked copper, silver-copper plated steel clad, silver-plated copper coating aluminum conductor, a diameter of 40-511 μm, coating Thickness be 0.3-2.0 μm.
- 10. the small outside diameter high-speed cable of low-loss according to claim 9, it is characterised in that：The core group is with 8 strands, 8 Strand core component is core group and 6 bursts of outer core groups in 2 strands, and 6 bursts of outer core group annulars are distributed on the outside of interior core group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201711489559.5A CN107993753A (en) | 2017-12-29 | 2017-12-29 | A kind of small outside diameter high-speed cable of low-loss |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711489559.5A CN107993753A (en) | 2017-12-29 | 2017-12-29 | A kind of small outside diameter high-speed cable of low-loss |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109326376A (en) * | 2018-10-10 | 2019-02-12 | 惠州市太金电线电缆有限公司 | A kind of heat-resistant fireproof cable |
| CN109935426A (en) * | 2019-03-01 | 2019-06-25 | 安徽天康集团数据线缆有限公司 | A kind of production method of six classes cable conductor |
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