CN103236316B - The compound data cable of stretch-proof low-loss - Google Patents
The compound data cable of stretch-proof low-loss Download PDFInfo
- Publication number
- CN103236316B CN103236316B CN201310113647.0A CN201310113647A CN103236316B CN 103236316 B CN103236316 B CN 103236316B CN 201310113647 A CN201310113647 A CN 201310113647A CN 103236316 B CN103236316 B CN 103236316B
- Authority
- CN
- China
- Prior art keywords
- sheath
- sub
- twisted wire
- pitch
- coated
- 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.)
- Active
Links
Classifications
-
- 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
- H01B11/04—Cables with twisted pairs or quads with pairs or quads mutually positioned to reduce cross-talk
-
- 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
- H01B11/005—Quad constructions
-
- 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
- H01B11/18—Coaxial cables; Analogous cables having more than one inner conductor within a common outer conductor
- H01B11/20—Cables having a multiplicity of coaxial lines
- H01B11/206—Tri-conductor coaxial cables
-
- 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
- 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
- H01B11/08—Screens specially adapted for reducing cross-talk
-
- 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
- H01B11/18—Coaxial cables; Analogous cables having more than one inner conductor within a common outer conductor
-
- 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
- H01B11/18—Coaxial cables; Analogous cables having more than one inner conductor within a common outer conductor
- H01B11/1895—Particular features or applications
-
- 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
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
-
- 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
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/184—Sheaths comprising grooves, ribs or other projections
-
- 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
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/22—Metal wires or tapes, e.g. made of steel
- H01B7/221—Longitudinally placed metal wires or tapes
-
- 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
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/22—Metal wires or tapes, e.g. made of steel
- H01B7/228—Metal braid
-
- 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
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
- H01B7/2806—Protection against damage caused by corrosion
Abstract
The present invention discloses the compound data cable of a kind of stretch-proof low-loss, comprising: steel conductor, coaxial conductor, eight copper conductors and oversheath body; Eight copper conductors, four pairs of twisted wires pair as information communication of stranded formation between two; Oversheath body comprises the first sub-sheath, the second sub-sheath and the 3rd sub-sheath, this first sub-sheath, the second sub-sheath and the 3rd sub-sheath center have one " people " font connecting portion, the first sub-sheath is coated on described steel conductor outer surface, the second sub-sheath is coated on described the first inner restrictive coating outer surface, and the 3rd sub-sheath is coated on described the second inner restrictive coating outer surface; Alternately, plain conductor one end is wound in described steel conductive surface to some plain conductors, and the plain conductor other end is electrically connected to described proof copper-wire braided screen layer. The present invention has avoided the mutual interference of signal phase and has affected the ability of serviceability, when ensureing communication cable Transmission characteristic, has greatly increased cable because signal disturbs, stretching affects the ability of serviceability.
Description
Technical field
The present invention relates to a kind of communication cable, relate in particular to the compound data cable of a kind of stretch-proof low-loss.
Background technology
The structure of common single type communication cable: its primary structure of the cable of pair twist structure is that copper conductor squeezes outwardThe insulation of bag one deck, stranding after single line pair twist, outside adopts the structure of polyolefin oversheath, and coaxial cable is mainStructure is that inner wire extrudes outward or the insulation of wrapped one deck, then adopts aluminium foil or braiding as polyene after outer conductorHydrocarbon is as the structure of oversheath, due to the said structure limitation of communication cable, exterior finish distributing system,In automated detection system, cause that stretching is large, quality is unstable, it is loaded down with trivial details to connect up, unreliable and impact makesUse performance.
Summary of the invention
The invention provides the compound data cable of a kind of stretch-proof low-loss, this low-loss communications cable is furtherReduce cross-talk and the signal of telecommunication delay inequality of the communications cable, and avoided the power attenuation of signal, improved signalThe stability of power and performance.
For achieving the above object, the technical solution used in the present invention is: the compound number of a kind of stretch-proof low-lossAccording to cable, comprising: steel conductor, coaxial conductor, eight are coated with copper conductor and the oversheath body of polyethylene layer;Described coaxial conductor outer surface is coated with plastic insulating layer, and this plastic insulating layer outer surface is coated with the first metalBraid, the first inner restrictive coating is coated on described the first wire sheathing outer surface;
Described eight copper conductors are four pairs of twisted wires pair as information communication of stranded formation between two, described four twisted pair wiresCentering the first twisted wire to, the second twisted wire to, the 3rd twisted wire to the 4th twisted wire to being arranged in order counterclockwise and twistingClose and form conduction cable core, the first twisted wire to the 3rd twisted wire pair and the second twisted wire to the 4th twisted wire to alternate rowRow, described four twisted pair wires are all coated with foil shielding layer to outer surface separately, and a polyester belt is wrapped in described aluminiumPaper tinsel screen layer outer surface, the second inner restrictive coating is coated on described polyester belt outer surface;
Described oversheath body comprises the first sub-sheath, the second sub-sheath and the 3rd sub-sheath, this first sub-sheath,The second sub-sheath and the 3rd sub-sheath center have one " people " font connecting portion, and this " people " font connectsThe first muscle portion of company, second of portion connects muscle portion and the 3rd muscle portion of company is connected respectively to described the first sub-sheath, secondSub-sheath and the 3rd sub-sheath, the first sub-sheath is coated on described steel conductor outer surface, and the second sub-sheath is coatedIn described the first inner restrictive coating outer surface, the 3rd sub-sheath is coated on described the second inner restrictive coating outer surface;
Alternately, this plain conductor one end is wound in described steel conductive surface, metal to some plain conductorsThe wire other end connects muscle portion, the 3rd through described the first sub-sheath, first successively and connects muscle portion and the 3rd sub-sheathAnd be electrically connected to described proof copper-wire braided screen layer;
The right pitch of described the first twisted wire is 15～15.5mm, and the right pitch of described the second twisted wire is13.5～13.9mm, the right pitch of described the 3rd twisted wire is 14.2～14.6mm, the right pitch of described the 4th twisted wireBe 12.7～13.1mm;
Adjacent segments apart from design formula is:
The pitch design of being separated by formula is:
H1 is the right pitch of the first twisted wire, h2 be the second twisted wire to or the right pitch of the 4th twisted wire, h3 isThe pitch that three twisted wires are right.
In technique scheme, further improve technical scheme as follows:
1, in such scheme, the right pitch of described the first twisted wire is 15.2mm, the right joint of described the second twisted wireApart from being 13.7mm, the right pitch of described the 3rd twisted wire is 14.4mm, and the right pitch of described the 4th twisted wire is12.9mm。
2, in such scheme, described adjacent 2 plain conductors be spaced apart 2.4～3.7 of conduction cable core twisting pitchDoubly.
3, in such scheme, described four twisted pair wire strands form conduction cable core, this conduction cable core twisting pitchBe that the 4th twisted wire is to 7.7～9.8 of pitch times.
4,, in such scheme, described the first muscle portion of company, second connects muscle portion and the first adjacent angle of muscle portion of company is 120°。
5, in such scheme, all annealed PROCESS FOR TREATMENT of described steel conductor and copper conductor.
6,, in such scheme, described foil shielding layer has laminated polyester film and is positioned at the aluminium foil layer group of its medial surfaceBecome, described polyester film layer thickness is 0.020 ± 0.002mm, and described aluminium foil layer thickness is 0.014 ± 0.002mm。
Because technique scheme is used, the present invention compared with prior art has following advantages:
1, the compound data cable of stretch-proof low-loss of the present invention, had both effectively solved cable at work progressIn circumstance complication, for example wiring of cable in the distribution system in power supply-distribution system and the building of machine roomBring many inconvenience, when cable operation, can produce around certain electromagnetic field, thereby disturb other system,When serious, can cause the other problems such as equipment operation failure; Avoid pulling cable, there is good tension strongSpend and percentage elongation, both guaranteed to meet the self-supporting ability of cable, also solved cable phase in running simultaneouslyThe problem of mutual interference, has guaranteed the long-term stability of transmission characteristic, have again emergency maintenance convenient, can repeatedly makeWith etc. advantage, there is obvious economic benefit and promotional value,, can stand variation of ambient temperature time, material heat risesThe test of shrinkage, therefore can extend service life of cable, is difficult for being corroded, and long service life.
2, the compound data cable of stretch-proof low-loss of the present invention, broken through traditional strand to line after the circle of strandingShape structure, improves the surplus of communication cable cross-talk (NEXT, FEXT) index 1% effectively, even alsoImprove the 1dB surplus of loss (INSERTIONLOSS), increased characteristic impedance (IMPEDANCE)1.5% stability, simultaneously, in guaranteeing the stable transmission performance of cable, increased the transmission electricity of copper cablePerformance.
3, the compound data cable of stretch-proof low-loss of the present invention, adopt specific strand to string pitch collocation andSpecific conduction cable core becomes core pitch and strand to combine line, has reduced transmission of electric signals and on its loop, has produced electricityMagnetic induction affects, and greatly reduces the cross-talk of the communications cable, and the electric field that wherein capacitive sensing produces has both positive and negative polarity,After adjacent two induction field stacks, can cancel each other, reduce mutual capacitively coupled, take into account it simultaneouslyIts electric parameter, has also avoided signal of telecommunication delay inequality to increase.
4, the compound data cable of stretch-proof low-loss of the present invention, it comprises some plain conductors alternately,This plain conductor one end is wound in described steel conductive surface, and the plain conductor other end is successively through described the first sonSheath, first connects muscle portion, the 3rd and connects muscle portion and the 3rd sub-sheath and be electrically connected to described proof copper-wire braided screen layer,Reduce cross-talk and the signal of telecommunication delay inequality of the communications cable, avoided the power attenuation of signal and signal reflex to postbackSend source, improved the stability of signal power and performance; Secondly, it comprises the some alternate rows of plain conductorRow, this plain conductor one end is wound in described steel conductive surface, and the plain conductor other end is successively through described theOne sub-sheath, first connects muscle portion, the 3rd and connects muscle portion and the 3rd sub-sheath and be electrically connected to described proof copper-wire braided screenCover layer, and be spaced apart conduction cable core twisting pitch 2.4～3.7 times of described adjacent 2 plain conductors, enter oneStep reduces cross-talk and the signal of telecommunication delay inequality of the communications cable, and has avoided the power attenuation of signal, has improved letterThe stability of number power and performance.
Brief description of the drawings
Accompanying drawing 1 is the compound data cable structural representation one of stretch-proof low-loss of the present invention;
Accompanying drawing 2 is the compound data cable structural representation two of stretch-proof low-loss of the present invention.
In above accompanying drawing: 1, steel conductor; 2, coaxial conductor; 3, copper conductor; 31, polyethylene layer; 4,Oversheath body; 41, the first sub-sheath; 42, the second sub-sheath; 43, the 3rd sub-sheath; 5, plastic insulationLayer; 6, the first wire sheathing; 7, the first inner restrictive coating; 8, conduction cable core; 81, the first twisted wire pair;82, the second twisted wire pair; 83, the 3rd twisted wire pair; 84, the 4th twisted wire pair; 9, foil shielding layer; 10, poly-Ester band; 11, the second inner restrictive coating; 12, " people " font connecting portion; 121, first connects muscle portion; 122,Two connect muscle portion; 123, the 3rd connects muscle portion; 13, plain conductor; 14, proof copper-wire braided screen layer; 15, secondWire sheathing.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described:
Embodiment 1: the compound data cable of a kind of stretch-proof low-loss, comprising: steel conductor 1, coaxial conductor2, eight are coated with copper conductor 3 and the oversheath body 4 of polyethylene layer 31; Described coaxial conductor 2 appearance breadBe covered with plastic insulating layer 5, these plastic insulating layer 5 outer surfaces are coated with in the first wire sheathing 6, the first and protectJacket layer 7 is coated on described the first wire sheathing 6 outer surfaces;
Described eight copper conductors 3 are four pairs of twisted wires pair as information communication of stranded formation between two, described four pair twistsLine centering the first twisted wire to 81, the second twisted wire to 82, the 3rd twisted wire to 83 and the 4th twisted wire counterclockwise to 84Be arranged in order and stranded formation conduction cable core 8, the first twisted wires to 81 and the 3rd twisted wire to 83 and second twisted wire pair82 and the 4th twisted wire to 84 alternately, described four twisted pair wires are all coated with foil shielding layer to outer surface separately9, one polyester belts 10 are wrapped in described foil shielding layer 9 outer surfaces, described in the second inner restrictive coating 11 is coated onPolyester belt 10 outer surfaces;
Described oversheath body 4 comprises the first sub-sheath 41, the second sub-sheath 42 and the 3rd sub-sheath 43, thisThe first sub-sheath 41, the second sub-sheath 42 have one " people " font with the 3rd sub-sheath 43 centers and are connectedPortion 12, the first muscle portion of company 121 of this " people " font connecting portion 12, the second muscle portion 122 of company and the 3rd connect musclePortion 123 is connected respectively to described the first sub-sheath 41, the second sub-sheath 42 and the 3rd sub-sheath 43, the firstSub-sheath 41 is coated on described steel conductor 1 outer surface, and the second sub-sheath 42 is coated on described the first inner sheathLayer 7 outer surface, the 3rd sub-sheath 43 is coated on described the second inner restrictive coating 11 outer surfaces;
Between described the 3rd sub-sheath 43 and the first inner restrictive coating 11, be provided with proof copper-wire braided screen layer 14, both canNot increase external diameter, can ensure again the tractive force of needs, thereby ensure in the 3rd sub-sheath 43 and firstAdhesive between restrictive coating 11, has played humidification, has very large tensile strength, also can eliminateOr reduce the stress of cable in the time of mobile or twisting states, the service life of improving cable; Secondly, furtherStrengthen interference free performance.
Alternately, these plain conductor 13 one end are wound in described steel conductor 1 and show some plain conductors 13Face, plain conductor 13 other ends connect through described the first sub-sheath 41, the first muscle portion 121 of company, the 3rd successivelyMuscle portion 123 and the 3rd sub-sheath 43 are also electrically connected to described proof copper-wire braided screen layer 14; Described adjacent 2 goldBelong to be spaced apart conduction cable core 8 twisting pitch 2.4～3.7 times of wire 13;
Described the first twisted wire is 15～15.5mm to 81 pitch, and described the second twisted wire to 82 pitch is13.5～13.9mm, described the 3rd twisted wire is 14.2～14.6mm to 83 pitch, described the 4th twisted wire is to 84Pitch be 12.7～13.1mm;
Adjacent segments apart from design formula is:
The pitch design of being separated by formula is:
H1 is the first twisted wire to 81 pitch, h2 be the second twisted wire to 82 or the 4th twisted wire to 84 jointDistance, h3 is the 3rd twisted wire to 83 pitch.
Described the first twisted wire is 15.2mm to 81 pitch, and described the second twisted wire is 13.7mm to 82 pitch,Described the 3rd twisted wire is 14.4mm to 83 pitch, and described the 4th twisted wire is 12.9mm to 84 pitch.
Above-mentioned four twisted pair wire strands form conduction cable core 8, and these conduction cable core 8 twisting pitch are the 4th twisted wire pair9.8 times of 84 pitches.
Above-mentioned foil shielding layer 9 is made up of laminated polyester film and the aluminium foil layer that is positioned at its medial surface, described polyesterThin layer thickness is 0.020 ± 0.002mm, and described aluminium foil layer thickness is 0.014 ± 0.002mm; Above-mentioned firstMuscle portion of company, second connects muscle portion and the first adjacent angle of muscle portion of company is 120 °; Above-mentioned steel conductor 1 and copper conductor 3All annealed PROCESS FOR TREATMENT.
Embodiment 2: the compound data cable of a kind of stretch-proof low-loss, comprising: steel conductor 1, coaxial conductor2, eight are coated with copper conductor 3 and the oversheath body 4 of polyethylene layer 31; Described coaxial conductor 2 appearance breadBe covered with plastic insulating layer 5, these plastic insulating layer 5 outer surfaces are coated with in the first wire sheathing 6, the first and protectJacket layer 7 is coated on described the first wire sheathing 6 outer surfaces; Described the first inner restrictive coating 7 and the second son protectBetween cover 42, be provided with one second wire sheathing 15, thereby be conducive to further reduce mutual coupling, carryHigh signal transmission quality;
Described eight copper conductors 3 are four pairs of twisted wires pair as information communication of stranded formation between two, described four pair twistsLine centering the first twisted wire to 81, the second twisted wire to 82, the 3rd twisted wire to 83 and the 4th twisted wire counterclockwise to 84Be arranged in order and stranded formation conduction cable core 8, the first twisted wires to 81 and the 3rd twisted wire to 83 and second twisted wire pair82 and the 4th twisted wire to 84 alternately, described four twisted pair wires are all coated with foil shielding layer to outer surface separately9, one polyester belts 10 are wrapped in described foil shielding layer 9 outer surfaces, described in the second inner restrictive coating 11 is coated onPolyester belt 10 outer surfaces;
Described oversheath body 4 comprises the first sub-sheath 41, the second sub-sheath 42 and the 3rd sub-sheath 43, thisThe first sub-sheath 41, the second sub-sheath 42 have one " people " font with the 3rd sub-sheath 43 centers and are connectedPortion 12, the first muscle portion of company 121 of this " people " font connecting portion 12, the second muscle portion 122 of company and the 3rd connect musclePortion 123 is connected respectively to described the first sub-sheath 41, the second sub-sheath 42 and the 3rd sub-sheath 43, the firstSub-sheath 41 is coated on described steel conductor 1 outer surface, and the second sub-sheath 42 is coated on described the first inner sheathLayer 7 outer surface, the 3rd sub-sheath 43 is coated on described the second inner restrictive coating 11 outer surfaces;
Between described the 3rd sub-sheath 43 and the first inner restrictive coating 11, be provided with proof copper-wire braided screen layer 14, both canNot increase external diameter, can ensure again the tractive force of needs, thereby ensure in the 3rd sub-sheath 43 and firstAdhesive between restrictive coating 11, has played humidification, has very large tensile strength, also can eliminateOr reduce the stress of cable in the time of mobile or twisting states, the service life of improving cable; Secondly, furtherStrengthen interference free performance.
Alternately, these plain conductor 13 one end are wound in described steel conductor 1 surface to some plain conductors 1,Plain conductor 13 other ends connect muscle portion through described the first sub-sheath 41, the first muscle portion 121 of company, the 3rd successively123 and the 3rd sub-sheath 43 be electrically connected to described proof copper-wire braided screen layer 14; Described adjacent 2 metal guidesBe spaced apart conduction cable core 8 twisting pitch 2.4～3.7 times of line 13;
Described the first twisted wire is 15.1mm to 81 pitch, and described the second twisted wire is 13.5mm to 82 pitch,Described the 3rd twisted wire is 14.3mm to 83 pitch, and described the 4th twisted wire is 12.8mm to 84 pitch;
Adjacent segments apart from design formula is:
The pitch design of being separated by formula is:
H1 is the first twisted wire to 81 pitch, h2 be the second twisted wire to 82 or the 4th twisted wire to 84 jointDistance, h3 is the 3rd twisted wire to 83 pitch.
Above-mentioned four twisted pair wire strands form conduction cable core 8, and these conduction cable core 8 twisting pitch are the 4th twisted wire pair7.7 times of 84 pitches.
Foregoing is further described below.
The design of aluminum foil material
According to communication cable standard and requirement, shielding is made up of one deck one side clad aluminum foil and a drain wire,One side clad aluminum foil requires to refer to following table:
The technical requirement of one side clad aluminum foil
Weave copper wire material used design
According to communication cable standard and requirement, the braided material of armor can be single circular copper wire or zinc-plated circleCopper cash, allows unidirectional sub-thread broken string length to be not more than 150mm, and trimmed is answered in broken string termination
The main performance index of finished cable
Conductor DC resistance (20 DEG C) :≤96 Ω/km;
The characteristic impedance (20 DEG C) of paired cable: 100 ± 15 Ω;
The characteristic impedance (20 DEG C) of coaxial cable: 75 ± 15 Ω;
The insulaion resistance of cable: >=10000M Ω km.
Above-described embodiment is only explanation technical conceive of the present invention and feature, and its object is to allow is familiar with this skillThe personage of art can understand content of the present invention and implement according to this, can not limit protection model of the present invention with thisEnclose. All equivalences that Spirit Essence is done according to the present invention change or modify, and all should be encompassed in protection of the present inventionWithin scope.
Claims (5)
1. the compound data cable of stretch-proof low-loss, is characterized in that: comprising: steel conductor (1), coaxial conductor (2), eight are coated with copper conductor (3) and the oversheath body (4) of polyethylene layer (31); Described coaxial conductor (2) outer surface is coated with plastic insulating layer (5), and this plastic insulating layer (5) outer surface is coated with the first wire sheathing (6), and the first inner restrictive coating (7) is coated on described the first wire sheathing (6) outer surface;
Described eight copper conductors (3) are four pairs of twisted wires pair as information communication of stranded formation between two, described four twisted pair wire centering the first twisted wires are to (81), the second twisted wire is to (82), the 3rd twisted wire is arranged in order (84) and stranded formation conduction cable core (8) counterclockwise to (83) and the 4th twisted wire, the first twisted wire to (81) and the 3rd twisted wire to (83) and the second twisted wire to (82) and the 4th twisted wire to (84) alternately, described four twisted pair wires are all coated with foil shielding layer (9) to outer surface separately, one polyester belt (10) is wrapped in described foil shielding layer (9) outer surface, the second inner restrictive coating (11) is coated on described polyester belt (10) outer surface,
Described oversheath body (4) comprises the first sub-sheath (41), the second sub-sheath (42) and the 3rd sub-sheath (43), this first sub-sheath (41), the second sub-sheath (42) and the 3rd sub-sheath (43) center have one " people " font connecting portion (12), first of this " people " font connecting portion (12) connects muscle portion (121), the second muscle portion of company (122) and the 3rd connects muscle portion (123) and is connected respectively to described the first sub-sheath (41), the second sub-sheath (42) and the 3rd sub-sheath (43), the first sub-sheath (41) is coated on described steel conductor (1) outer surface, the second sub-sheath (42) is coated on described the first inner restrictive coating (7) outer surface, the 3rd sub-sheath (43) is coated on described the second inner restrictive coating (11) outer surface,
Some plain conductors (13) alternately, this plain conductor (13) one end is wound in described steel conductor (1) surface, and plain conductor (13) other end connects muscle portion (121), the 3rd through described the first sub-sheath (41), first successively and connects muscle portion (123) and the 3rd sub-sheath (43) and be electrically connected to a proof copper-wire braided screen layer (14);
Described the first twisted wire is 15 ~ 15.5mm to the pitch of (81), and described the second twisted wire is 13.5 ~ 13.9mm to the pitch of (82), and described the 3rd twisted wire is 14.2 ~ 14.6mm to the pitch of (83), and described the 4th twisted wire is 12.7 ~ 13.1mm to the pitch of (84);
H1 is the pitch of the first twisted wire to (81), h2 be the second twisted wire to (82) or the pitch of the 4th twisted wire to (84), h3 is the pitch of the 3rd twisted wire to (83).
2. the compound data cable of stretch-proof low-loss according to claim 1, it is characterized in that: described the first twisted wire is 15.2mm to the pitch of (81), described the second twisted wire is 13.7mm to the pitch of (82), described the 3rd twisted wire is 14.4mm to the pitch of (83), and described the 4th twisted wire is 12.9mm to the pitch of (84).
3. the compound data cable of stretch-proof low-loss according to claim 1, is characterized in that: described four twisted pair wire strands form conduction cable core (8), and this conduction cable core (8) twisting pitch is that the 4th twisted wire is to 7.7 ~ 9.8 of (84) times.
4. according to the compound data cable of stretch-proof low-loss described in any one in claim 1 ~ 2, it is characterized in that: described foil shielding layer (9) is made up of laminated polyester film and the aluminium foil layer that is positioned at its medial surface, described polyester film layer thickness is 0.020 ± 0.002mm, and described aluminium foil layer thickness is 0.014 ± 0.002mm.
5. according to the compound data cable of stretch-proof low-loss described in any one in claim 1 ~ 2, it is characterized in that: described steel conductor (1) and all annealed PROCESS FOR TREATMENT of copper conductor (3).
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510848316.0A CN105427954A (en) | 2013-04-03 | 2013-04-03 | Tensile data cable for audio and video transmission |
| CN201510848088.7A CN105405514B (en) | 2013-04-03 | 2013-04-03 | The low-loss composite data cable of high shielding properties |
| CN201310113647.0A CN103236316B (en) | 2013-04-03 | 2013-04-03 | The compound data cable of stretch-proof low-loss |
| CN201510852870.6A CN105448422A (en) | 2013-04-03 | 2013-04-03 | Low-loss composite data cable facilitating comprehensive wiring |
| CN201510847244.8A CN105405530A (en) | 2013-04-03 | 2013-04-03 | Coaxial data compound cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310113647.0A CN103236316B (en) | 2013-04-03 | 2013-04-03 | The compound data cable of stretch-proof low-loss |
Related Child Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510848088.7A Division CN105405514B (en) | 2013-04-03 | 2013-04-03 | The low-loss composite data cable of high shielding properties |
| CN201510852870.6A Division CN105448422A (en) | 2013-04-03 | 2013-04-03 | Low-loss composite data cable facilitating comprehensive wiring |
| CN201510848316.0A Division CN105427954A (en) | 2013-04-03 | 2013-04-03 | Tensile data cable for audio and video transmission |
| CN201510847244.8A Division CN105405530A (en) | 2013-04-03 | 2013-04-03 | Coaxial data compound cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103236316A CN103236316A (en) | 2013-08-07 |
| CN103236316B true CN103236316B (en) | 2016-05-11 |
Family
ID=48884350
Family Applications (5)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510847244.8A Pending CN105405530A (en) | 2013-04-03 | 2013-04-03 | Coaxial data compound cable |
| CN201510852870.6A Pending CN105448422A (en) | 2013-04-03 | 2013-04-03 | Low-loss composite data cable facilitating comprehensive wiring |
| CN201310113647.0A Active CN103236316B (en) | 2013-04-03 | 2013-04-03 | The compound data cable of stretch-proof low-loss |
| CN201510848088.7A Active CN105405514B (en) | 2013-04-03 | 2013-04-03 | The low-loss composite data cable of high shielding properties |
| CN201510848316.0A Pending CN105427954A (en) | 2013-04-03 | 2013-04-03 | Tensile data cable for audio and video transmission |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510847244.8A Pending CN105405530A (en) | 2013-04-03 | 2013-04-03 | Coaxial data compound cable |
| CN201510852870.6A Pending CN105448422A (en) | 2013-04-03 | 2013-04-03 | Low-loss composite data cable facilitating comprehensive wiring |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510848088.7A Active CN105405514B (en) | 2013-04-03 | 2013-04-03 | The low-loss composite data cable of high shielding properties |
| CN201510848316.0A Pending CN105427954A (en) | 2013-04-03 | 2013-04-03 | Tensile data cable for audio and video transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (5) | CN105405530A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105405530A (en) * | 2013-04-03 | 2016-03-16 | 江苏亨通线缆科技有限公司 | Coaxial data compound cable |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107564611B (en) * | 2017-09-13 | 2019-05-10 | 福建鼎力电缆科技有限公司 | A kind of corrosion resistant insulated aerial cable |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6261683B1 (en) * | 1998-06-29 | 2001-07-17 | Harness System Technologies Research, Ltd. | Shielding tape and shielding wire using the same |
| CN203325566U (en) * | 2013-04-03 | 2013-12-04 | 江苏亨通线缆科技有限公司 | Stretch-resistant low-loss composite data cable |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3583457B2 (en) * | 1994-03-03 | 2004-11-04 | 日本製線株式会社 | Multi-section cable |
| JP2000021249A (en) * | 1998-06-29 | 2000-01-21 | Harness Syst Tech Res Ltd | Shield wire |
| JP2003045241A (en) * | 2001-07-26 | 2003-02-14 | Yazaki Corp | Shield flat cable and its manufacturing method |
| JP3852702B2 (en) * | 2003-11-20 | 2006-12-06 | 西日本電線株式会社 | Optical fiber / metal composite drop cable |
| CN201181610Y (en) * | 2008-03-28 | 2009-01-14 | 昆山火凤凰线缆有限公司 | Low-crosstalk network cable with shielding compartment |
| CN201226268Y (en) * | 2008-07-08 | 2009-04-22 | 珠海宇讯同轴电缆有限公司 | Self-bearing type coaxial digital network cable |
| CN202307263U (en) * | 2011-10-20 | 2012-07-04 | 杭州东兴电讯材料有限公司 | Flame-retardant and water-proof aluminum foil |
| CN102364585B (en) * | 2011-10-25 | 2012-11-28 | 江苏亨通线缆科技有限公司 | Low-voltage remote power supply cable for high-speed Ethernet switch |
| CN105405530A (en) * | 2013-04-03 | 2016-03-16 | 江苏亨通线缆科技有限公司 | Coaxial data compound cable |
-
2013
- 2013-04-03 CN CN201510847244.8A patent/CN105405530A/en active Pending
- 2013-04-03 CN CN201510852870.6A patent/CN105448422A/en active Pending
- 2013-04-03 CN CN201310113647.0A patent/CN103236316B/en active Active
- 2013-04-03 CN CN201510848088.7A patent/CN105405514B/en active Active
- 2013-04-03 CN CN201510848316.0A patent/CN105427954A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6261683B1 (en) * | 1998-06-29 | 2001-07-17 | Harness System Technologies Research, Ltd. | Shielding tape and shielding wire using the same |
| CN203325566U (en) * | 2013-04-03 | 2013-12-04 | 江苏亨通线缆科技有限公司 | Stretch-resistant low-loss composite data cable |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105405530A (en) * | 2013-04-03 | 2016-03-16 | 江苏亨通线缆科技有限公司 | Coaxial data compound cable |
| CN105448422A (en) * | 2013-04-03 | 2016-03-30 | 江苏亨通线缆科技有限公司 | Low-loss composite data cable facilitating comprehensive wiring |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103236316A (en) | 2013-08-07 |
| CN105448422A (en) | 2016-03-30 |
| CN105405514A (en) | 2016-03-16 |
| CN105405514B (en) | 2017-12-01 |
| CN105405530A (en) | 2016-03-16 |
| CN105427954A (en) | 2016-03-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201359878Y (en) | Symmetric paralleled network cable | |
| CN203839123U (en) | Non-strain data transmission cable used for local area network | |
| CN103236317B (en) | There is the compound data cable of low-loss of interference free performance | |
| CN201965954U (en) | Direct current charging cable for electric automobile | |
| CN103236316B (en) | The compound data cable of stretch-proof low-loss | |
| CN203325503U (en) | Low-loss anti-interference communication cable | |
| CN203325566U (en) | Stretch-resistant low-loss composite data cable | |
| CN105938735A (en) | Outdoor category-5-enhanced non-shielding self-supporting type symmetrical data communication cable | |
| CN203242423U (en) | Low-loss compound-type data cable with anti-interference performance | |
| CN203242415U (en) | Low-delay compound-type data cable with waterproof performance | |
| CN203150299U (en) | Tensile type communication cable | |
| CN203150300U (en) | Hybrid communication cable with tensile and anti-interference functions | |
| CN205303060U (en) | Layer stranded type digital communication cable | |
| CN203150301U (en) | Communication cable with waterproof and anti-interference functions | |
| CN203397761U (en) | Waterproof communication cable with low time-delay performance | |
| CN103236314B (en) | Waterproof low-delay composite communication cable | |
| CN204669568U (en) | A kind of Graphene headset cord | |
| CN203444854U (en) | Composite cable for resisting electromagnetic interference | |
| CN103165244B (en) | There is the telecommunication cable of waterproof, anti-interference function | |
| CN103137265B (en) | Have that tension is stretched, the mixed type telecommunication cable of anti-interference function | |
| CN205104263U (en) | High protection communication cable | |
| CN205092069U (en) | Coaxial optoelectrical composite low tension cable | |
| CN104064276A (en) | Anti-tensile type communication cable | |
| CN217086205U (en) | Tensile low-attenuation light communication cable | |
| CN203444867U (en) | Communication cable with aramid fiber reinforcement core |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |