CN103236316A - Stretch-resistant low-loss composite data cable - Google Patents
Stretch-resistant low-loss composite data cable Download PDFInfo
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- CN103236316A CN103236316A CN2013101136470A CN201310113647A CN103236316A CN 103236316 A CN103236316 A CN 103236316A CN 2013101136470 A CN2013101136470 A CN 2013101136470A CN 201310113647 A CN201310113647 A CN 201310113647A CN 103236316 A CN103236316 A CN 103236316A
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- 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
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- 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
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- 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
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- 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
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- 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
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- 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
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- 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
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- H—ELECTRICITY
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- 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
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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
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/184—Sheaths comprising grooves, ribs or other projections
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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
- 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
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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
- 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
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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
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
- H01B7/2806—Protection against damage caused by corrosion
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Abstract
The invention discloses a stretch-resistant low-loss composite data cable which comprises a steel conductor, a coaxial conductor, eight copper conducting wires and an outer sheath. The eight copper conducting wires are stranded pairwise to form four stranded wire pairs for information communication; the outer sheath comprises a first branch sheath, a second branch sheath and a third branch sheath, a 'herringbone' connecting portion is arranged in the center of space among the first branch sheath, the second branch sheath and the third branch sheath, the first branch sheath covers the outer surface of the copper conductor, the second branch sheath covers the outer surface of a first inner sheath layer, and the third branch sheath covers the outer surface of a second inner sheath layer; and a plurality of metal conducting wires are arranged at intervals, one end of each metal conducting wire is wound on the surface of the steel conductor, and the other end of each metal conducting wire is electrically connected to a copper wire braided shielding layer. The stretch-resistant low-loss composite data cable has the advantages that influence on the service performance of the cable due to mutual interference of signals is prevented, and the resistance to influence of signal interference and stretching on the service performance of the cable is greatly improved while the transmission characteristic of a communication cable product is guaranteed..
Description
Technical field
The present invention relates to a kind of telecommunication 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 telecommunication cable: its primary structure of the cable of pair twist structure is that copper conductor extrudes one deck insulation outward, stranding behind the single line pair twist, the structure of polyolefin oversheath is adopted in the outside, the coaxial cable primary structure is that inner wire extrudes outward or the insulation of wrapped one deck, adopt aluminium foil or braiding as the structure of polyolefin behind the outer conductor as oversheath then, because the said structure of telecommunication cable limitation, in exterior finish distributing system, automated detection system, cause that stretching is big, quality is unstable, the wiring is loaded down with trivial details, unreliable and influence serviceability.
Summary of the invention
The invention provides the compound data cable of a kind of stretch-proof low-loss, this low-loss communications cable further reduces cross-talk and the signal of telecommunication delay inequality of the communications cable, and has avoided the power loss of signal, has improved the stability of signal power and performance.
For achieving the above object, the technical solution used in the present invention is: the compound data cable of a kind of stretch-proof low-loss comprises: steel conductor, coaxial conductor, eight copper conductor and oversheath bodies that are coated with polyethylene layer; Described coaxial conductor outer surface is coated with plastic insulating layer, and this plastic insulating layer outer surface is coated with first wire sheathing, and first inner restrictive coating is coated on the described first wire sheathing outer surface;
Four pairs of twisted wires as information communication of stranded formation are right in twos for described eight copper conductors, described four twisted pair wire centerings, first twisted wire to, second twisted wire to, the 3rd twisted wire to the 4th twisted wire to being arranged in order counterclockwise and stranded formation conduction cable core, first twisted wire to the 3rd twisted wire pair and second twisted wire to the 4th twisted wire to alternately, described four twisted pair wires all are coated with foil shielding layer to outer surface separately, one polyester belt is wrapped in described foil shielding layer outer surface, and 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, the first muscle portion of company, second of this " people " font connecting portion connects muscle portion and the 3rd muscle portion of company is connected to the described first sub-sheath, the second sub-sheath and the 3rd sub-sheath respectively, the first sub-sheath is coated on described steel conductor outer surface, the second sub-sheath is coated on the described first inner restrictive coating outer surface, and the 3rd sub-sheath is coated on the described second inner restrictive coating outer surface;
Some plain conductors alternately, this plain conductor one end is wound in described steel conductive surface, and the plain conductor other end passes the described first sub-sheath successively, the first muscle portion of company, the 3rd connects muscle portion and the 3rd sub-sheath and is electrically connected to described copper wire woven shield;
The right pitch of described first twisted wire is 15～15.5mm, and the right pitch of described second twisted wire is 13.5～13.9mm, and the right pitch of described the 3rd twisted wire is 14.2～14.6mm, and the right pitch of described the 4th twisted wire is 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 first twisted wire, h2 be second twisted wire to or the right pitch of the 4th twisted wire, h3 is the right pitch of the 3rd twisted wire.
It is as follows further to improve technical scheme in the technique scheme:
1, in the such scheme, the right pitch of described first twisted wire is 15.2mm, and the right pitch of described second twisted wire is 13.7mm, and the right pitch of described the 3rd twisted wire is 14.4mm, and the right pitch of described the 4th twisted wire is 12.9mm.
2, in the such scheme, described adjacent 2 plain conductors be spaced apart 2.4～3.7 times of conduction cable core twisting pitch.
3, in the such scheme, described four twisted pair wire strands form the conduction cable core, and this conduction cable core twisting pitch is that the 4th twisted wire is to 7.7～9.8 times of pitch.
4, in the such scheme, it is 120 ° that the described first muscle portion of company, second connects the adjacent angle of muscle portion and the first muscle portion of company.
5, in the such scheme, described steel conductor and copper conductor be annealed PROCESS FOR TREATMENT all.
6, in the such scheme, described foil shielding layer is made up of laminated polyester film and the aluminium foil layer that is positioned at its medial surface, and 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 advantage:
1, the compound data cable of stretch-proof low-loss of the present invention, both effectively solved the circumstance complication of cable in work progress, for example the wiring of cable brings many inconvenience in the power supply-distribution system of machine room and the distribution system in the building, can produce certain electromagnetic field around during the cable operation, thereby the interference other system can cause other problems such as equipment operation troubles when serious; Avoided pulling cable, have better tensile strength and elongation, both guaranteed to satisfy the self-supporting ability of cable, also solved the problem of cable phase mutual interference in running simultaneously, guaranteed the long-term stability of transmission characteristic, have advantages such as emergency maintenance makes things convenient for, can use repeatedly again, have tangible economic benefit and promotional value, the test of material rising-heat contracting-cold in the time of standing variation of ambient temperature, therefore can prolong the useful life of cable, be difficult for being corroded 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 circular configuration of stranding, improve the surplus of communication cable cross-talk (NEXT, FEXT) index 1% effectively, even also improved the 1dB surplus of loss (INSERTION LOSS), increase by 1.5% stability of characteristic impedance (IMPEDANCE), when guaranteeing the stable transmission performance of cable, increased the performance of the transmission electricity of copper cable simultaneously.
3, the compound data cable of stretch-proof low-loss of the present invention, adopt specific strand to become core pitch and strand that line is made up to string pitch collocation and the cable core that specifically conducts electricity, reduce transmission of electric signals and produced the electromagnetic induction influence in its loop, reduce the cross-talk of the communications cable greatly, wherein the electric field of capacitive sensing generation has both positive and negative polarity, can cancel each other after the adjacent two induction fields stack, reduces mutual capacitively coupled, take into account other electric parameter simultaneously, 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, the plain conductor other end passes the described first sub-sheath successively, the first muscle portion of company, the 3rd connects muscle portion and the 3rd sub-sheath and is electrically connected to described copper wire woven shield, reduce cross-talk and the signal of telecommunication delay inequality of the communications cable, avoid power loss and the signal reflex of signal to postback the source of sending, improved the stability of signal power and performance; Secondly, it comprises some plain conductors alternately, this plain conductor one end is wound in described steel conductive surface, the plain conductor other end passes the described first sub-sheath successively, the first muscle portion of company, the 3rd connects muscle portion and the 3rd sub-sheath and is electrically connected to described copper wire woven shield, and described adjacent 2 plain conductors be spaced apart 2.4～3.7 times of conduction cable core twisting pitch, further reduce cross-talk and the signal of telecommunication delay inequality of the communications cable, and avoided the power loss of signal, improved the stability of signal power and performance.
Description of 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 the 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 insulating layer; 6, first wire sheathing; 7, first inner restrictive coating; 8, conduction cable core; 81, first twisted wire is right; 82, second twisted wire is right; 83, the 3rd twisted wire is right; 84, the 4th twisted wire is right; 9, foil shielding layer; 10, polyester belt; 11, second inner restrictive coating; 12, " people " font connecting portion; 121, first connects muscle portion; 122, second connects muscle portion; 123, the 3rd connects muscle portion; 13, plain conductor; 14, copper wire woven shield; 15, second wire sheathing.
Embodiment
Below in conjunction with drawings and Examples the present invention is further described:
Embodiment 1: the compound data cable of a kind of stretch-proof low-loss comprises: steel conductor 1, coaxial conductor 2, eight copper conductor 3 and oversheath bodies 4 that are coated with polyethylene layer 31; Described coaxial conductor 2 outer surfaces are coated with plastic insulating layer 5, and these plastic insulating layer 5 outer surfaces are coated with first wire sheathing, 6, the first inner restrictive coatings 7 and are coated on described first wire sheathing, 6 outer surfaces;
Four pairs of twisted wires as information communication of stranded formation are right in twos for described eight copper conductors 3, described four twisted pair wire centerings, first twisted wire is arranged in order 84 the 83 and the 4th twisted wire and stranded formation conduction cable core 8 the 82, the 3rd twisted wire counterclockwise to 81, second twisted wire, first twisted wire to the 81 and the 3rd twisted wire to 83 and second twisted wire to the 82 and the 4th twisted wire to 84 alternately, described four twisted pair wires all are coated with foil shielding layer 9 to outer surface separately, one polyester belt 10 is wrapped in described foil shielding layer 9 outer surfaces, and second inner restrictive coating 11 is coated on described polyester 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, this first sub-sheath 41, the second sub-sheath 42 and the 3rd sub-sheath 43 centers have one " people " font connecting portion 12, first of this " people " font connecting portion 12 connects muscle portion 121, the second muscle portion 122 of company and the 3rd connects muscle portion 123 and is connected respectively to the described 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 first inner restrictive coating, 7 outer surfaces, and the 3rd sub-sheath 43 is coated on described second inner restrictive coating, 11 outer surfaces;
Be provided with copper wire woven shield 14 between the described the 3rd sub-sheath 43 and first inner restrictive coating 11, both can not increase external diameter, can guarantee the tractive effort of needs again, thereby guaranteed the adhesive between the 3rd sub-sheath 43 and first inner restrictive coating 11, played humidification, have very big tensile strength, also can eliminate or reduce the stress of cable when mobile or twisting states, the useful life of improving cable; Secondly, further strengthened interference free performance.
Some plain conductors 13 alternately, these plain conductor 13 1 ends are wound in described steel conductor 1 surface, and plain conductor 13 other ends pass the described first sub-sheath 41 successively, the first muscle portion 121 of company, the 3rd connects muscle portion's the 123 and the 3rd sub-sheath 43 and is electrically connected to described copper wire woven shield 14; Described adjacent 2 plain conductors 13 be spaced apart 2.4～3.7 times of conduction cable core 8 twisting pitch;
Described first twisted wire is 15～15.5mm to 81 pitch, and described second twisted wire is 13.5～13.9mm to 82 pitch, and described the 3rd twisted wire is 14.2～14.6mm to 83 pitch, and described the 4th twisted wire is 12.7～13.1mm to 84 pitch;
Adjacent segments apart from design formula is:
The pitch design of being separated by formula is:
H1 is first twisted wire to 81 pitch, and h2 is second twisted wire to the 82 or the 4th twisted wire to 84 pitch, and h3 is the 3rd twisted wire to 83 pitch.
Described first twisted wire is 15.2mm to 81 pitch, and described second twisted wire is 13.7mm to 82 pitch, and 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 that the 4th twisted wire is to 9.8 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, and described polyester film layer thickness is 0.020 ± 0.002mm, and described aluminium foil layer thickness is 0.014 ± 0.002mm; It is 120 ° that the above-mentioned first muscle portion of company, second connects the adjacent angle of muscle portion and the first muscle portion of company; Above-mentioned steel conductor 1 and copper conductor 3 be annealed PROCESS FOR TREATMENT all.
Embodiment 2: the compound data cable of a kind of stretch-proof low-loss comprises: steel conductor 1, coaxial conductor 2, eight copper conductor 3 and oversheath bodies 4 that are coated with polyethylene layer 31; Described coaxial conductor 2 outer surfaces are coated with plastic insulating layer 5, and these plastic insulating layer 5 outer surfaces are coated with first wire sheathing, 6, the first inner restrictive coatings 7 and are coated on described first wire sheathing, 6 outer surfaces; Be provided with one second wire sheathing 15 between described first inner restrictive coating 7 and the second sub-sheath 42, thereby be conducive to further reduce mutual coupling, improved signal transmission quality;
Four pairs of twisted wires as information communication of stranded formation are right in twos for described eight copper conductors 3, described four twisted pair wire centerings, first twisted wire is arranged in order 84 the 83 and the 4th twisted wire and stranded formation conduction cable core 8 the 82, the 3rd twisted wire counterclockwise to 81, second twisted wire, first twisted wire to the 81 and the 3rd twisted wire to 83 and second twisted wire to the 82 and the 4th twisted wire to 84 alternately, described four twisted pair wires all are coated with foil shielding layer 9 to outer surface separately, one polyester belt 10 is wrapped in described foil shielding layer 9 outer surfaces, and second inner restrictive coating 11 is coated on described polyester 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, this first sub-sheath 41, the second sub-sheath 42 and the 3rd sub-sheath 43 centers have one " people " font connecting portion 12, first of this " people " font connecting portion 12 connects muscle portion 121, the second muscle portion 122 of company and the 3rd connects muscle portion 123 and is connected respectively to the described 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 first inner restrictive coating, 7 outer surfaces, and the 3rd sub-sheath 43 is coated on described second inner restrictive coating, 11 outer surfaces;
Be provided with copper wire woven shield 14 between the described the 3rd sub-sheath 43 and first inner restrictive coating 11, both can not increase external diameter, can guarantee the tractive effort of needs again, thereby guaranteed the adhesive between the 3rd sub-sheath 43 and first inner restrictive coating 11, played humidification, have very big tensile strength, also can eliminate or reduce the stress of cable when mobile or twisting states, the useful life of improving cable; Secondly, further strengthened interference free performance.
Some plain conductors 1 alternately, these plain conductor 13 1 ends are wound in described steel conductor 1 surface, and plain conductor 13 other ends pass the described first sub-sheath 41 successively, the first muscle portion 121 of company, the 3rd connects muscle portion's the 123 and the 3rd sub-sheath 43 and is electrically connected to described copper wire woven shield 14; Described adjacent 2 plain conductors 13 be spaced apart 2.4～3.7 times of conduction cable core 8 twisting pitch;
Described first twisted wire is 15.1mm to 81 pitch, and described second twisted wire is 13.5mm to 82 pitch, and 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 first twisted wire to 81 pitch, and h2 is second twisted wire to the 82 or the 4th twisted wire to 84 pitch, and 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 that the 4th twisted wire is to 7.7 times of 84 pitches.
Foregoing is further described below.
The design of aluminum foil material
According to telecommunication cable standard and requirement, shielding is made up of one deck single face clad aluminum foil and a drain wire, and the single face clad aluminum foil requires to see for details following table:
The specification requirement of single face clad aluminum foil
Weave copper wire material used design
According to telecommunication cable standard and requirement, the braided material of armour can be single circular copper wire or zinc-plated circular copper wire, allows unidirectional sub-thread broken string length to be not more than 150mm, and trimmed is answered in the broken string termination
The main performance index of finished cable
Conductor DC resistance (20 ℃) :≤96 Ω/km;
The characteristic impedance of paired cable (20 ℃): 100 ± 15 Ω;
The characteristic impedance of coaxial cable (20 ℃): 75 ± 15 Ω;
The insulation resistance of cable: 〉=10000M Ω km.
Above-described embodiment only is explanation technical conceive of the present invention and characteristics, and its purpose is to allow the personage who is familiar with this technology can understand content of the present invention and enforcement according to this, can not limit protection scope of the present invention with this.All equivalences that spirit essence is done according to the present invention change or modify, and all should be encompassed within protection scope of the present invention.
Claims (7)
1. the compound data cable of stretch-proof low-loss is characterized in that: comprising: steel conductor (1), coaxial conductor (2), eight copper conductor (3) and oversheath bodies (4) that are coated with 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 first wire sheathing (6), and first inner restrictive coating (7) is coated on described first wire sheathing (6) outer surface;
Four pairs of twisted wires as information communication of stranded formation are right in twos for described eight copper conductors (3), described four twisted pair wire centerings, first twisted wire is to (81), second twisted wire is to (82), the 3rd twisted wire is to (83) and the 4th twisted wire is arranged in order counterclockwise to (84) and stranded formation conduction cable core (8), first twisted wire to (81) and the 3rd twisted wire to (83) and second twisted wire to (82) and the 4th twisted wire to (84) alternately, described four twisted pair wires all are coated with foil shielding layer (9) to outer surface separately, one polyester belt (10) is wrapped in described foil shielding layer (9) outer surface, and 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 (122) of company and the 3rd connects muscle portion (123) and is connected respectively to the described 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 first inner restrictive coating (7) outer surface, and the 3rd sub-sheath (43) is coated on described second inner restrictive coating (11) outer surface;
Some plain conductors (13) alternately, these plain conductor (13) one ends are wound in described steel conductor (1) surface, and plain conductor (13) other end passes the described first sub-sheath (41) successively, the first muscle portion (121) of company, the 3rd connects muscle portion (123) and the 3rd sub-sheath (43) and is electrically connected to described copper wire woven shield (14);
Described first twisted wire is 15～15.5mm to the pitch of (81), described second twisted wire is 13.5～13.9mm to the pitch of (82), 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);
Adjacent segments apart from design formula is:
The pitch design of being separated by formula is:
H1 be first twisted wire to the pitch of (81), h2 is second twisted wire to (82) or the 4th twisted wire pitch to (84), h3 is that the 3rd twisted wire is to the pitch of (83).
2. the compound data cable of stretch-proof low-loss according to claim 1, it is characterized in that: described first twisted wire is 15.2mm to the pitch of (81), described 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 adjacent 2 plain conductors (13) be spaced apart 2.4～3.7 times of conduction cable core (8) twisting pitch.
4. 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 (84) 7.7～9.8 times.
5. according to the compound data cable of each described stretch-proof low-loss in the claim 1～3, 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.
6. according to the compound data cable of each described stretch-proof low-loss in the claim 1～3, it is characterized in that: it is 120 ° that the described first muscle portion of company, second connects the adjacent angle of muscle portion and the first muscle portion of company.
7. according to the compound data cable of each described stretch-proof low-loss in the claim 1～3, it is characterized in that: described steel conductor (1) and copper conductor (3) be annealed PROCESS FOR TREATMENT all.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510847244.8A CN105405530A (en) | 2013-04-03 | 2013-04-03 | Coaxial data compound cable |
| 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 |
| CN201510852870.6A CN105448422A (en) | 2013-04-03 | 2013-04-03 | Low-loss composite data cable facilitating comprehensive wiring |
| CN201310113647.0A CN103236316B (en) | 2013-04-03 | 2013-04-03 | The compound data cable of stretch-proof low-loss |
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| CN201310113647.0A CN103236316B (en) | 2013-04-03 | 2013-04-03 | The compound data cable of stretch-proof low-loss |
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| CN201510848316.0A Division CN105427954A (en) | 2013-04-03 | 2013-04-03 | Tensile data cable for audio and video transmission |
| 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 |
| CN201510847244.8A Division CN105405530A (en) | 2013-04-03 | 2013-04-03 | Coaxial data compound cable |
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| CN103236316A true CN103236316A (en) | 2013-08-07 |
| CN103236316B CN103236316B (en) | 2016-05-11 |
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| 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 |
| 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 |
| CN201310113647.0A Active CN103236316B (en) | 2013-04-03 | 2013-04-03 | The compound data cable of stretch-proof low-loss |
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| Application Number | Title | Priority Date | Filing Date |
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| 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 |
| 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 |
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Families Citing this family (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 |
| 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 (3)
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| JPH07245023A (en) * | 1994-03-03 | 1995-09-19 | Nippon Seisen Kk | Multistreak cable |
| 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 |
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| 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 CN201510848088.7A patent/CN105405514B/en active Active
- 2013-04-03 CN CN201510848316.0A patent/CN105427954A/en active Pending
- 2013-04-03 CN CN201310113647.0A patent/CN103236316B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07245023A (en) * | 1994-03-03 | 1995-09-19 | Nippon Seisen Kk | Multistreak cable |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105405514B (en) | 2017-12-01 |
| CN105405530A (en) | 2016-03-16 |
| CN105405514A (en) | 2016-03-16 |
| CN105448422A (en) | 2016-03-30 |
| CN105427954A (en) | 2016-03-23 |
| CN103236316B (en) | 2016-05-11 |
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