CN103236314A - Waterproof low-delay composite data cable - Google Patents
Waterproof low-delay composite data cable Download PDFInfo
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- CN103236314A CN103236314A CN2013101140122A CN201310114012A CN103236314A CN 103236314 A CN103236314 A CN 103236314A CN 2013101140122 A CN2013101140122 A CN 2013101140122A CN 201310114012 A CN201310114012 A CN 201310114012A CN 103236314 A CN103236314 A CN 103236314A
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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
- 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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- 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
- H01B11/06—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
- H01B5/00—Non-insulated conductors or conductive bodies characterised by their form
- H01B5/08—Several wires or the like stranded in the form of a rope
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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
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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
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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
- H01B7/1875—Multi-layer sheaths
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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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
- H01B9/003—Power cables including electrical control or communication wires
Abstract
The invention discloses a waterproof low-delay 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 used 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 metal braided layer and a copper wire braided shielding layer are electrically connected with each other by a plurality of metal conducting wires which are parallelly arranged in the second branch sheath, the third branch sheath and the 'herringbone' connecting portion at intervals. The waterproof low-delay composite data cable has the advantages that crosstalk of the communication cable and delay difference of electric signals are further reduced, power loss of the signals is prevented, and the stability of power of the signals and the stability of the performance of the signals are improved.
Description
Technical field
The present invention relates to a kind of telecommunication cable, relate in particular to a kind of compound data cable of low delay with water resistance.
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 a kind of compound data cable of low delay with water resistance, this low delay composite communication cable further reduces 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.
For achieving the above object, the technical solution used in the present invention is: a kind of compound data cable of low delay with water resistance 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 wire sheathing, and first inner restrictive coating is coated on described 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;
Described wire sheathing is electrically connected by some parallel plain conductors alternately that are positioned at the second sub-sheath, the 3rd sub-sheath and " people " font connecting portion with the 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 present invention has the compound data cable of low delay of water resistance, 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 present invention has the compound data cable of low delay of water resistance, 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 present invention has the compound data cable of low delay of water resistance, 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, reduce mutual capacitively coupled, take into account other electric parameter simultaneously, also avoided signal of telecommunication delay inequality to increase.
4, the present invention has the compound data cable of low delay of water resistance, its wire sheathing is electrically connected by some parallel plain conductors alternately that are positioned at the second sub-sheath, the 3rd sub-sheath and " people " font connecting portion with the copper wire woven shield, 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; Secondly, its wire sheathing is electrically connected by some parallel plain conductors alternately that are positioned at the second sub-sheath, the 3rd sub-sheath and " people " font connecting portion with the 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.
Description of drawings
Accompanying drawing 1 has the compound data cable structural representation of low delay of water resistance for 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, 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, the packed layer that blocks water.Embodiment
Below in conjunction with drawings and Examples the present invention is further described:
Embodiment 1: a kind of compound data cable of low delay with water resistance 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 wire sheathing 6, the first inner restrictive coatings 7 and are coated on described 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.
Described wire sheathing 6 and copper wire woven shield 14 are electrically connected by some parallel plain conductors 13 alternately that are positioned at the second sub-sheath 42, the 3rd sub-sheath 43 and " people " font connecting portion 12, 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: a kind of compound data cable of low delay with water resistance 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 wire sheathing 6, the first inner restrictive coatings 7 and are coated on described 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.
Described wire sheathing 6 and copper wire woven shield 14 are electrically connected by some parallel plain conductors 13 alternately that are positioned at the second sub-sheath 42, the 3rd sub-sheath 43 and " people " font connecting portion 12, 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 low delay with water resistance 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 wire sheathing (6), and first inner restrictive coating (7) is coated on described 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;
Described wire sheathing (6) is electrically connected by some parallel plain conductors (13) alternately that are positioned at the second sub-sheath (42), the 3rd sub-sheath (43) and " people " font connecting portion (12) with 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 low delay with water resistance 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 low delay with water resistance 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 low delay with water resistance 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 each described compound data cable of low delay with water resistance 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 each described compound data cable of low delay with water resistance 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 each described compound data cable of low delay with water resistance 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 (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310114012.2A CN103236314B (en) | 2013-04-03 | 2013-04-03 | Waterproof low-delay composite communication cable |
| CN201610363395.0A CN106229048A (en) | 2013-04-03 | 2013-04-03 | Low-loss mixed communication cable |
| CN201610363516.1A CN106531345A (en) | 2013-04-03 | 2013-04-03 | Multipurpose four-core twinning communication cable |
| CN201610361990.0A CN106169325A (en) | 2013-04-03 | 2013-04-03 | Multicore pair twist data transmission cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310114012.2A CN103236314B (en) | 2013-04-03 | 2013-04-03 | Waterproof low-delay composite communication cable |
Related Child Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610361990.0A Division CN106169325A (en) | 2013-04-03 | 2013-04-03 | Multicore pair twist data transmission cable |
| CN201610363395.0A Division CN106229048A (en) | 2013-04-03 | 2013-04-03 | Low-loss mixed communication cable |
| CN201610363516.1A Division CN106531345A (en) | 2013-04-03 | 2013-04-03 | Multipurpose four-core twinning communication cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103236314A true CN103236314A (en) | 2013-08-07 |
| CN103236314B CN103236314B (en) | 2017-02-08 |
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Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610363516.1A Pending CN106531345A (en) | 2013-04-03 | 2013-04-03 | Multipurpose four-core twinning communication cable |
| CN201610363395.0A Pending CN106229048A (en) | 2013-04-03 | 2013-04-03 | Low-loss mixed communication cable |
| CN201310114012.2A Active CN103236314B (en) | 2013-04-03 | 2013-04-03 | Waterproof low-delay composite communication cable |
| CN201610361990.0A Pending CN106169325A (en) | 2013-04-03 | 2013-04-03 | Multicore pair twist data transmission cable |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610363516.1A Pending CN106531345A (en) | 2013-04-03 | 2013-04-03 | Multipurpose four-core twinning communication cable |
| CN201610363395.0A Pending CN106229048A (en) | 2013-04-03 | 2013-04-03 | Low-loss mixed communication cable |
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| CN201610361990.0A Pending CN106169325A (en) | 2013-04-03 | 2013-04-03 | Multicore pair twist data transmission cable |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110098002A (en) * | 2019-05-23 | 2019-08-06 | 南京全信传输科技股份有限公司 | A kind of 7 class Ethernet cable of soft type and its preparation process |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN106169325A (en) | 2016-11-30 |
| CN106229048A (en) | 2016-12-14 |
| CN106531345A (en) | 2017-03-22 |
| CN103236314B (en) | 2017-02-08 |
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