CN106229048A - Low-loss mixed communication cable - Google Patents
Low-loss mixed communication cable Download PDFInfo
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- CN106229048A CN106229048A CN201610363395.0A CN201610363395A CN106229048A CN 106229048 A CN106229048 A CN 106229048A CN 201610363395 A CN201610363395 A CN 201610363395A CN 106229048 A CN106229048 A CN 106229048A
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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
- H01B11/02—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
- H01B11/005—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
- H01B11/02—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
- 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
-
- 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
- H01B7/1875—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
-
- 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
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Communication Cables (AREA)
- Insulated Conductors (AREA)
Abstract
The open a kind of low-loss mixed communication cable of the present invention, its eight the most stranded formation of copper conductor four twisted wire pair to communicating as information；Oversheath body includes 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, first sub-sheath is coated on described steel conductor outside surfaces, second sub-sheath is coated on described first inner restrictive coating outer surface, and the 3rd sub-sheath is coated on described second inner restrictive coating outer surface；Foil shielding layer is made up of the aluminium foil layer of laminated polyester film and on its inside, and described mylar layer thickness is 0.020 ± 0.002mm, and described aluminium foil layer thickness is 0.014 ± 0.002 mm.The present invention, while guaranteeing the transmission performance that cable is stable, adds the performance of the transmission electricity of copper cable, and reduces the cross-talk of the communications cable.
Description
Technical field
The present invention relates to a kind of communication cable, particularly relate to a kind of low-loss mixed communication cable.
Background technology
The structure of existing unitary type communication cable: its primary structure of the cable of pair twist structure is to extrude one layer outside copper conductor absolutely
Edge, stranding after single line pair twist, outside use polyolefin oversheath structure, coaxial cable primary structure be extrude outside inner wire or
Wrapped one layer of insulation, then uses aluminium foil or braiding as polyolefin after outer conductor as the structure of oversheath, due to communication electricity
The said structure limitation of cable, in exterior finish distributing system, automated detection system, cause that stretching is relatively big, quality unstable,
Connect up loaded down with trivial details, unreliable and affect serviceability.
Summary of the invention
The present invention provides a kind of low-loss mixed communication cable, and this low-loss mixed communication cable reduces order wire further
The cross-talk of cable and signal of telecommunication delay inequality, and avoid the power attenuation of signal, improve the stability of signal power and performance.
For reaching above-mentioned purpose, the technical solution used in the present invention is: a kind of low-loss mixed communication cable, including: steel
Conductor, copper spindle guide body, eight copper conductors being coated with polyethylene layer and oversheath body；Copper shaft conductor outside surfaces is coated with to be moulded
Material insulating barrier, this plastic insulating layer outer surface is coated with wire sheathing, and the first inner restrictive coating is coated on described wire sheathing
Outer surface；
The described eight the most stranded formation of copper conductor four twisted wire pair to communicating as information, described four twisted pair wire centerings first are twisted
Line to, the second twisted wire to, the 3rd twisted wire to and the 4th twisted wire to being arranged in order counterclockwise and stranded formation conductive cable core, the first strand
Line to and the 3rd twisted wire pair and the second twisted wire to and the 4th twisted wire to alternately, respective outer surface is all wrapped by described four twisted pair wires
Being covered with foil shielding layer, a polyester belt is around being wrapped in described foil shielding layer outer surface, and the second inner restrictive coating is coated on described polyester
Band outer surface；
Described oversheath body includes the first sub-sheath, the second sub-sheath and the 3rd sub-sheath, this first sub-sheath, the second sub-sheath
With the 3rd sub-sheath center, there is one " people " font connecting portion, the first muscle portion of company of this " people " font connecting portion, second company's muscle
Even muscle portion of portion and the 3rd is connected respectively to described first sub-sheath, the second sub-sheath and the 3rd sub-sheath, the first sub-sheath cladding
In described steel conductor outside surfaces, the second sub-sheath is coated on described first inner restrictive coating outer surface, and the 3rd sub-sheath is coated on institute
State the second inner restrictive coating outer surface；
Described wire sheathing and proof copper-wire braided screen layer connect by being positioned at the second sub-sheath, the 3rd sub-sheath and " people " font
The plain conductor electrical connection of some parallel spaced-apart arrangements in portion；
The pitch of described first twisted wire pair is 15 ~ 15.5mm, and the pitch of described second twisted wire pair is 13.5 ~ 13.9mm, described
The pitch of three twisted wires pair is 14.2 ~ 14.6mm, and the pitch of described 4th twisted wire pair is 12.7 ~ 13.1mm；
Adjacent segments away from design formula is:,
Being separated by pitch design formula is:；
H1 is the pitch of the first twisted wire pair, h2 be the second twisted wire to or the pitch of the 4th twisted wire pair, h3 is the 3rd twisted wire pair
Pitch；
Described foil shielding layer (9) is made up of the aluminium foil layer of laminated polyester film and on its inside, described mylar thickness
Degree is 0.020 ± 0.002mm, and described aluminium foil layer thickness is 0.014 ± 0.002 mm.
Technique scheme is further improved technical scheme as follows:
1, in such scheme, the pitch of described first twisted wire pair is 15.2mm, and the pitch of described second twisted wire pair is 13.7mm.
2, in such scheme, the pitch of described 3rd twisted wire pair is 14.4mm, and the pitch of described 4th twisted wire pair is
12.9mm。
3, in such scheme, described steel conductor and the most annealed PROCESS FOR TREATMENT of copper conductor.
Owing to technique scheme is used, the present invention compared with prior art has the advantage that
1, low-loss mixed communication cable of the present invention, the most effectively solves cable circumstance complication in work progress, such as
In the distribution system in the power supply-distribution system and building of machine room the wiring of cable bring many inconvenience, cable run time
Around can produce certain electromagnetic field, thus disturb other system, the other problems such as equipment operation failure time serious, can be caused；Keep away
Exempt to pull cable, there is preferable tensile strength and elongation percentage, both guaranteed to meet the self-bearing ability of cable, also solved simultaneously
The problem that cable interferes in running, it is ensured that transmission characteristic steady in a long-term, have again emergency maintenance convenient, can
The advantages such as Reusability, have obvious economic benefit and promotional value, it is amenable to material rising-heat contracting-cold during variation of ambient temperature
Test, therefore can extend the service life of cable, be difficult to be corroded, service life is long.
2, low-loss mixed communication cable of the present invention, breaches traditional twisting the circular configuration of stranding after line, effectively
Improve the surplus of communication cable cross-talk (NEXT, FEXT) index 1%, even also improve loss (INSERTION LOSS)
1dB surplus, increases by 1.5% stability of characteristic impedance (IMPEDANCE), is simultaneously guaranteeing the same of the stable transmission performance of cable
Time, add the performance of the transmission electricity of copper cable.
3, low-loss mixed communication cable of the present invention, uses specific strand to string pitch collocation and specific conductive cable core
Become core pitch with strand, line to be combined, reduce transmitting telecommunication number on its loop, produce electromagnetic induction impact, be greatly reduced communication
The cross-talk of cable, the electric field that wherein capacitive sensing produces has both positive and negative polarity, can cancel each other, subtract after adjacent two induction field superpositions
Few mutual capacitively coupled, has taken into account other electric parameter simultaneously, and it also avoid signal of telecommunication delay inequality increases.
4, low-loss mixed communication cable of the present invention, its wire sheathing and proof copper-wire braided screen layer are by being positioned at the second son
The plain conductor electrical connection of some parallel spaced-apart arrangements in sheath, the 3rd sub-sheath and " people " font connecting portion, reduces logical
The letter cross-talk of cable and signal of telecommunication delay inequality, and avoid the power attenuation of signal, improve stablizing of signal power and performance
Property；Secondly, its wire sheathing and proof copper-wire braided screen layer are by being positioned at the second sub-sheath, the 3rd sub-sheath and " people " font even
Connect the plain conductor electrical connection of some parallel spaced-apart arrangement in portion, and described adjacent 2 plain conductors be spaced apart conduction
2.4～3.7 times of cable core twisting pitch, reduce cross-talk and the signal of telecommunication delay inequality of the communications cable further.
Accompanying drawing explanation
Accompanying drawing 1 is low-loss mixed communication cable structure schematic diagram of the present invention；
Accompanying drawing 2 is the partial structurtes schematic diagram of accompanying drawing 1.
In the figures above: 1, steel conductor；2, copper spindle guide body；3, copper conductor；31, polyethylene layer；4, oversheath body；41,
One sub-sheath；42, the second sub-sheath；43, the 3rd sub-sheath；5, plastic insulating layer；6, wire sheathing；7, the first inner sheath
Layer；8, conductive 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, aluminium foil
Screen layer；10, polyester belt；11, the second inner restrictive coating；12, " people " font connecting portion；121, first connects muscle portion；122, second even
Muscle portion；123, the 3rd connects muscle portion；13, plain conductor；14, proof copper-wire braided screen layer；15, block water packed layer.
Detailed description of the invention
Below in conjunction with the accompanying drawings and embodiment the invention will be further described:
Embodiment 1: a kind of low-loss mixed communication cable, including: steel conductor 1, copper spindle guide body 2, eight are coated with polyethylene layer
The copper conductor 3 of 31 and oversheath body 4；Copper shaft conductor 2 outer surface is coated with plastic insulating layer 5, this plastic insulating layer 5 appearance
Bread is covered with wire sheathing 6, and the first inner restrictive coating 7 is coated on described wire sheathing 6 outer surface；
The described eight the most stranded formation of copper conductor 3 four twisted wire pair to communicating as information, described four twisted pair wire centerings first
Twisted wire to the 81, second twisted wire to the 82, the 3rd twisted wire to 83 and the 4th twisted wire be arranged in order counterclockwise 84 and stranded form conduction
Cable core 8, the 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 right
Twisted wire is all coated with foil shielding layer 9 to respective outer surface, a polyester belt 10 around being wrapped in described foil shielding layer 9 outer surface,
Two inner restrictive coatings 11 are coated on described polyester belt 10 outer surface；
Described oversheath body 4 includes first sub-sheath the 41, second sub-sheath 42 and the 3rd sub-sheath 43, this first sub-sheath 41,
Second sub-sheath 42 and the 3rd sub-sheath 43 center have one " people " font connecting portion 12, the of this " people " font connecting portion 12
One muscle portion of company 121, second even muscle portion 122 and the 3rd muscle portion 123 of company are connected respectively to described first sub-sheath the 41, second sub-sheath
42 and the 3rd sub-sheath 43, the first sub-sheath 41 is coated on described steel conductor 1 outer surface, and the second sub-sheath 42 is coated on described
One inner restrictive coating 7 outer surface, the 3rd sub-sheath 43 is coated on described second inner restrictive coating 11 outer surface；
It is provided with proof copper-wire braided screen layer 14, outside both can not increasing between described 3rd sub-sheath 43 and the first inner restrictive coating 11
Footpath, can ensure that again the pull strength of needs, thus ensure that the adhesive between the 3rd sub-sheath 43 and the first inner restrictive coating 11,
Serve potentiation, there is the biggest tensile strength, it is also possible to eliminate or reduce cable answering when movement or twisting states
Power, improves the service life of cable；Secondly, further enhancing interference free performance.
Described wire sheathing 6 and proof copper-wire braided screen layer 14 are by being positioned at the second sub-sheath 43 and of sub-sheath the 42, the 3rd
The plain conductor 13 of some parallel spaced-apart arrangements in " people " font connecting portion 12 electrically connects, described adjacent 2 plain conductors
2.4～3.7 times that are spaced apart conductive cable core 8 twisting pitch of 13；
Described first twisted wire is 15 ~ 15.5mm to the pitch of 81, and described second twisted wire is 13.5 ~ 13.9mm to the pitch of 82, institute
State the 3rd twisted wire to 83 pitch be 14.2 ~ 14.6mm, described 4th twisted wire is 12.7 ~ 13.1mm to the pitch of 84；
Adjacent segments away from design formula is:,
Being separated by pitch design formula is:；
H1 is first twisted wire pitch to 81, and h2 is the second twisted wire to 82 or the 4th twisted wire pitch to 84, and h3 is the 3rd strand
The line pitch to 83.
Described first twisted wire is 15.2mm to the pitch of 81, and described second twisted wire is 13.7mm to the pitch of 82, described
Three twisted wires are 14.4mm to the pitch of 83, and described 4th twisted wire is 12.9mm to the pitch of 84.
Above-mentioned four twisted pair wire strands form conductive cable core 8, and this conductive cable core 8 twisting pitch is that the 4th twisted wire is to 84 pitches
10 times.
Above-mentioned foil shielding layer 9 is made up of the aluminium foil layer of laminated polyester film and on its inside, described laminated polyester film
Thickness is 0.020 ± 0.002mm, and described aluminium foil layer thickness is 0.014 ± 0.002 mm；Above-mentioned first muscle portion of company, second company's muscle
Portion and the first even adjacent angle in muscle portion is 120 °；Above-mentioned steel conductor 1 and the most annealed PROCESS FOR TREATMENT of copper conductor 3.
Embodiment 2: a kind of low-loss mixed communication cable, including: steel conductor 1, copper spindle guide body 2, eight are coated with poly-second
The copper conductor 3 of alkene layer 31 and oversheath body 4；Copper shaft conductor 2 outer surface is coated with plastic insulating layer 5, this plastic insulating layer 5
Outer surface is coated with wire sheathing 6, and the first inner restrictive coating 7 is coated on described wire sheathing 6 outer surface；
The described eight the most stranded formation of copper conductor 3 four twisted wire pair to communicating as information, described four twisted pair wire centerings first
Twisted wire to the 81, second twisted wire to the 82, the 3rd twisted wire to 83 and the 4th twisted wire be arranged in order counterclockwise 84 and stranded form conduction
Cable core 8, the 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 right
Twisted wire is all coated with foil shielding layer 9 to respective outer surface, a polyester belt 10 around being wrapped in described foil shielding layer 9 outer surface,
Two inner restrictive coatings 11 are coated on described polyester belt 10 outer surface；
Described oversheath body 4 includes first sub-sheath the 41, second sub-sheath 42 and the 3rd sub-sheath 43, this first sub-sheath 41,
Second sub-sheath 42 and the 3rd sub-sheath 43 center have one " people " font connecting portion 12, the of this " people " font connecting portion 12
One muscle portion of company 121, second even muscle portion 122 and the 3rd muscle portion 123 of company are connected respectively to described first sub-sheath the 41, second sub-sheath
42 and the 3rd sub-sheath 43, the first sub-sheath 41 is coated on described steel conductor 1 outer surface, and the second sub-sheath 42 is coated on described
One inner restrictive coating 7 outer surface, the 3rd sub-sheath 43 is coated on described second inner restrictive coating 11 outer surface；
It is provided with proof copper-wire braided screen layer 14, outside both can not increasing between described 3rd sub-sheath 43 and the first inner restrictive coating 11
Footpath, can ensure that again the pull strength of needs, thus ensure that the adhesive between the 3rd sub-sheath 43 and the first inner restrictive coating 11,
Serve potentiation, there is the biggest tensile strength, it is also possible to eliminate or reduce cable answering when movement or twisting states
Power, improves the service life of cable；Secondly, further enhancing interference free performance.
Described wire sheathing 6 and proof copper-wire braided screen layer 14 are by being positioned at the second sub-sheath 43 and of sub-sheath the 42, the 3rd
The plain conductor 13 of some parallel spaced-apart arrangements in " people " font connecting portion 12 electrically connects, described adjacent 2 plain conductors
2.4～3.7 times that are spaced apart conductive cable core 8 twisting pitch of 13；
Described first twisted wire is 15.1mm to the pitch of 81, and described second twisted wire is 13.5mm to the pitch of 82, described 3rd strand
Line is 14.3mm to the pitch of 83, and described 4th twisted wire is 12.8mm to the pitch of 84；
Adjacent segments away from design formula is:,
Being separated by pitch design formula is:；
H1 is first twisted wire pitch to 81, and h2 is the second twisted wire to 82 or the 4th twisted wire pitch to 84, and h3 is the 3rd strand
The line pitch to 83.
Above-mentioned four twisted pair wire strands form conductive cable core 8, and this conductive cable core 8 twisting pitch is that the 4th twisted wire is to 84 pitches
9 times.
Foregoing is further described below.
The design of aluminum foil material
According to communication cable standard and requirement, shielding is made up of one layer of one side clad aluminum foil and a drain wire, one side clad aluminum
Paper tinsel requires to refer to following table:
The technology of one side clad aluminum foil requires:
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 tin-plating round copper wire, it is allowed to
Unidirectional sub-thread broken string length is 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) :≤9 6 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 insulation resistance of cable: >=10000M Ω km.
Above-described embodiment, only for technology design and the feature of the explanation present invention, its object is to allow person skilled in the art
Scholar will appreciate that present disclosure and implements according to this, can not limit the scope of the invention with this.All according to the present invention
The equivalence that spirit is made changes or modifies, and all should contain within protection scope of the present invention.
Claims (4)
1. a low-loss mixed communication cable, it is characterised in that: including: steel conductor (1), copper spindle guide body (2), eight be coated with
The copper conductor (3) of polyethylene layer (31) and oversheath body (4)；Copper shaft conductor (2) outer surface is coated with plastic insulating layer
(5), this plastic insulating layer (5) outer surface is coated with wire sheathing (6), and the first inner restrictive coating (7) is coated on described metal and compiles
Tissue layer (6) outer surface；
Described eight copper conductors (3) the most stranded formation four twisted wire pair to communicating as information, described four twisted pair wire centerings
(84) are arranged in order and twist by one twisted wire by (81), the second twisted wire by (82), the 3rd twisted wire by (83) and the 4th twisted wire counterclockwise
Close and form conductive cable core (8), 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 pair
(84) alternately, described four twisted pair wires are all coated with foil shielding layer (9) to respective outer surface, and a polyester belt (10) is around being 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) includes the first sub-sheath (41), the second sub-sheath (42) and the 3rd sub-sheath (43), this first son
Sheath (41), the second sub-sheath (42) and the 3rd sub-sheath (43) center have one " people " font connecting portion (12), this " people "
First company muscle portion (121) of font connecting portion (12), the second company muscle portion (122) and the 3rd even muscle portion (123) are connected respectively to institute
Stating 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 and leads
Body (1) outer surface, the second sub-sheath (42) is coated on described first inner restrictive coating (7) outer surface, the 3rd sub-sheath (43) cladding
In described second inner restrictive coating (11) outer surface；
Described wire sheathing (6) and proof copper-wire braided screen layer (14) are by being positioned at the second sub-sheath (42), the 3rd sub-sheath
(43) plain conductor (13) electrical connection of some parallel spaced-apart arrangements and in " people " font connecting portion (12)；
Described first twisted wire is 15 ~ 15.5mm to the pitch of (81), described second twisted wire is 13.5 to the pitch of (82) ~
13.9mm, described 3rd twisted wire is 14.2 ~ 14.6mm to the pitch of (83), described 4th twisted wire is 12.7 to the pitch of (84) ~
13.1mm；
Adjacent segments away from design formula is:,
Being separated by pitch design formula is:；
H1 is first twisted wire pitch to (81), h2 be the second twisted wire to (82) or the 4th twisted wire pitch to (84), h3 is
3rd twisted wire pitch to (83)；
Described foil shielding layer (9) is made up of the aluminium foil layer of laminated polyester film and on its inside, described mylar thickness
Degree is 0.020 ± 0.002mm, and described aluminium foil layer thickness is 0.014 ± 0.002 mm.
Low-loss mixed communication cable the most according to claim 1, it is characterised in that: described first twisted wire joint to (81)
Away from for 15.2mm, described second twisted wire is 13.7mm to the pitch of (82).
Low-loss mixed communication cable the most according to claim 1, it is characterised in that: described 3rd twisted wire joint to (83)
Away from for 14.4mm, described 4th twisted wire is 12.9mm to the pitch of (84).
Low-loss mixed communication cable the most according to claim 1, it is characterised in that: described steel conductor (1) and copper conductor
(3) the most annealed PROCESS FOR TREATMENT.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610363395.0A CN106229048A (en) | 2013-04-03 | 2013-04-03 | Low-loss mixed communication cable |
Applications Claiming Priority (2)
| 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 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310114012.2A Division CN103236314B (en) | 2013-04-03 | 2013-04-03 | Waterproof low-delay composite communication cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106229048A true CN106229048A (en) | 2016-12-14 |
Family
ID=48884348
Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310114012.2A Active CN103236314B (en) | 2013-04-03 | 2013-04-03 | Waterproof low-delay composite communication cable |
| 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 |
| 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 |
|---|---|---|---|
| CN201310114012.2A Active CN103236314B (en) | 2013-04-03 | 2013-04-03 | Waterproof low-delay composite communication cable |
| CN201610363516.1A Pending CN106531345A (en) | 2013-04-03 | 2013-04-03 | Multipurpose four-core twinning communication cable |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610361990.0A Pending CN106169325A (en) | 2013-04-03 | 2013-04-03 | Multicore pair twist data transmission cable |
Country Status (1)
| Country | Link |
|---|---|
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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 |
|---|---|
| CN106531345A (en) | 2017-03-22 |
| CN106169325A (en) | 2016-11-30 |
| CN103236314A (en) | 2013-08-07 |
| CN103236314B (en) | 2017-02-08 |
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