CN106531345A - Multipurpose four-core twinning communication cable - Google Patents
Multipurpose four-core twinning communication cable Download PDFInfo
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- CN106531345A CN106531345A CN201610363516.1A CN201610363516A CN106531345A CN 106531345 A CN106531345 A CN 106531345A CN 201610363516 A CN201610363516 A CN 201610363516A CN 106531345 A CN106531345 A CN 106531345A
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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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B11/00—Communication cables or conductors
- H01B11/02—Cables with twisted pairs or quads
- H01B11/06—Cables with twisted pairs or quads with means for reducing effects of electromagnetic or electrostatic disturbances, e.g. screens
- H01B11/08—Screens specially adapted for reducing cross-talk
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B11/00—Communication cables or conductors
- H01B11/005—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
-
- 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
-
- 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
Abstract
The present invention discloses a multipurpose four-core twinning communication cable. The outer surface of a copper shaft conductor is coated with a plastic insulation layer, the outer surface of the plastic insulation layer is coated with a metal braid layer, and the outer surface of the metal braid layer is coated with a first inner sheath; each two of eight copper conductors are twisted to form four pairs which are taken as the twisted pairs of the information communication, the four pairs of twisted pairs include a first twisted pair, a second twisted pair, a third twisted pair and a fourth twisted pair which are arranged in counter-clockwise order and twisted to form conductor cable cores; and the metal braid layer and a copper braid shielding layer are electrically connected through a plurality of metal conductors arranged in parallel at intervals located in a second subsheath, a third subsheath and a herringbone connection portion. The multipurpose four-core twinning communication cable can reduce the communication cable overhearing and electric signal time delay difference and ensure the stable transmission performance of the cable.
Description
Technical field
A kind of a kind of the present invention relates to communication cable, more particularly to four core pair twist communication cable of multipurpose.
Background technology
The structure of existing communication cable：The cable of pair twist structure its primary structure is to extrude one layer of insulation outside copper conductor,
Stranding after single line pair twist, outside using polyolefin oversheath structure, coaxial cable primary structure be inner wire outside extrude or around
Bag one layer insulation, then using aluminium foil or braiding as polyolefin after outer conductor as oversheath structure, due to communication cable
Said structure limitation, in exterior finish distributing system, automated detection system, cause to stretch that larger, quality is unstable, cloth
Line is loaded down with trivial details, it is unreliable and affect performance.
The content of the invention
The present invention provides a kind of four core pair twist communication cable of multipurpose, and this four core pair twist communication cable of multipurpose further subtracts
The cross-talk of the little communications cable and electric signal delay inequality, and avoid the power attenuation of signal, improve signal power and performance
Stability.
For reaching above-mentioned purpose, the technical solution used in the present invention is：A kind of four core pair twist communication cable of multipurpose, bag
Include：Steel conductor, copper spindle guide body, eight copper conductors for being coated with polyethylene layer and oversheath body；Copper shaft conductor outside surfaces bag
Plastic insulating layer is covered with, this plastic insulating layer outer surface is coated with wire sheathing, the first inner restrictive coating is coated on the metal
Braiding layer outer surface；
Eight copper conductors are stranded two-by-two to form four pairs of twisted wires pair as information communication, and four twisted pair wire centering first is 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, first twists
Line to and the 3rd twisted wire pair and the second twisted wire to and the 4th twisted wire to spaced, four twisted pair wire is wrapped to respective outer surface
Foil shielding layer is covered with, a polyester belt is coated on the polyester around the foil shielding layer outer surface, the second inner restrictive coating is wrapped in
Band outer surface；
The oversheath body includes the first sub- sheath, the second sub- sheath and the 3rd sub- sheath, this first sub- sheath, the second sub- sheath
There is one " people " font connecting portion with the 3rd sub- sheath center, first company's muscle portion of this " people " font connecting portion, second connect muscle
Portion and the 3rd company's muscle portion are connected respectively to the described first sub- sheath, the second sub- sheath and the 3rd sub- sheath, the first sub- sheath cladding
In the steel conductor outside surfaces, the second sub- sheath is coated on the first inner restrictive coating outer surface, and the 3rd sub- sheath is coated on institute
State the second inner restrictive coating outer surface；
The wire sheathing and proof copper-wire braided screen layer are by positioned at the connection of 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 first twisted wire pair is 15 ~ 15.5mm, and the pitch of second twisted wire pair is 13.5 ~ 13.9mm, described the
The pitch of three twisted wires pair is 14.2 ~ 14.6mm, and the pitch of the 4th twisted wire pair is 12.7 ~ 13.1mm；
Adjacent segments away from design formula are：,
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 4th twisted wire pair pitch, h3 is the 3rd twisted wire pair
Pitch；
The foil shielding layer is made up of the aluminium foil layer of laminated polyester film and face on its inside, and the laminated polyester film thickness is
0.020 ± 0.002mm, the aluminium foil layer thickness are 0.014 ± 0.002 mm.
In above-mentioned technical proposal, further improved technology scheme is as follows：
1st, in such scheme, the pitch of first twisted wire pair is 15.2mm, and the pitch of second twisted wire pair is 13.7mm.
2nd, in such scheme, the pitch of the 3rd twisted wire pair is 14.4mm, and the pitch of the 4th twisted wire pair is
12.9mm。
As above-mentioned technical proposal is used, the present invention has following advantages compared with prior art：
1st, four core pair twist communication cable of multipurpose of the present invention, had both effectively solved environment complexity of the cable in work progress,
In distribution system for example in the power supply-distribution system and building of machine room, the wiring of cable brings the inconvenience of many, cable operation
When can produce certain electromagnetic field around, so as to disturb other systems, other are asked to cause equipment operation failure etc. when serious
Topic；Avoid and pull cable, with preferable tensile strength and elongation percentage, both guarantee to meet the self-bearing ability of cable, while
Solve the problems, such as that cable is interfered in running, it is ensured that transmission characteristic it is steady in a long-term, again have emergency maintenance
It is convenient, can Reusability the advantages of, with obvious economic benefit and promotional value, be amenable to material during variation of ambient temperature
The test of rising-heat contracting-cold, therefore the service life of cable can be extended, it is difficult to be corroded, long service life.
2nd, four core pair twist communication cable of multipurpose of the present invention, breaches circular configuration of traditional strand to stranding after line, has
Improve communication cable cross-talk in effect ground（NEXT、FEXT）The surplus of index 1%, or even also improve loss（INSERTION
LOSS）1dB surpluses, increase characteristic impedance（IMPEDANCE）1.5% stability, while guaranteeing the stable transporting of cable
While energy, the performance of the transmission electricity of copper cable is increased.
3rd, four core pair twist communication cable of multipurpose of the present invention, is arranged in pairs or groups to string pitch and specific conductive using specific strand
Cable core is combined to line into core pitch with twisting, and is reduced transmitting telecommunication number and is produced electromagnetic induction impact on its loop, greatly reduces
The electric field that the cross-talk of the communications cable, wherein capacitive sensing are produced has both positive and negative polarity, mutually can offset after adjacent two induction fields superposition
Disappear, reduce mutual capacitively coupled, while having taken into account other electric parameters, it also avoid the increase of electric signal delay inequality.
4th, four core pair twist communication cable of multipurpose of the present invention, its wire sheathing and proof copper-wire braided screen layer are by positioned at the
The plain conductor electrical connection of some parallel spaced-apart arrangements in two sub- sheaths, the 3rd sub- sheath and " people " font connecting portion, subtracts
The cross-talk of the little communications cable and electric signal delay inequality, and avoid the power attenuation of signal, improve signal power and performance
Stability；Secondly, its wire sheathing and proof copper-wire braided screen layer are by positioned at the second sub- sheath, the 3rd sub- sheath and " people " word
The plain conductor electrical connection of some parallel spaced-aparts arrangement in type connecting portion, and adjacent 2 plain conductors at intervals of
2.4～3.7 times of conductive cable core twisting pitch, further reduce cross-talk and the electric signal delay inequality of the communications cable.
Description of the drawings
Accompanying drawing 1 is four core pair twist communication cable structural representation of multipurpose of the present invention；
Partial structural diagram of the accompanying drawing 2 for accompanying drawing 1.
In the figures above：1st, steel conductor；2nd, copper spindle guide body；3rd, copper conductor；31st, polyethylene layer；4th, oversheath body；41st,
One sub- sheath；42nd, the second sub- sheath；43rd, the 3rd sub- sheath；5th, plastic insulating layer；6th, wire sheathing；7th, the first inner sheath
Layer；8th, conductive cable core；81st, the first twisted wire pair；82nd, the second twisted wire pair；83rd, the 3rd twisted wire pair；84th, the 4th twisted wire pair；9th, aluminium foil
Screen layer；10th, polyester belt；11st, the second inner restrictive coating；12nd, " people " font connecting portion；121st, first connects muscle portion；122nd, second connects
Muscle portion；123rd, the 3rd connects muscle portion；13rd, plain conductor；14th, proof copper-wire braided screen layer；15th, block water packed layer.
Specific embodiment
Below in conjunction with the accompanying drawings and embodiment the invention will be further described：
Embodiment 1：A kind of four core pair twist communication cable of multipurpose, including：Steel conductor 1, copper spindle guide body 2, eight are coated with poly- second
The copper conductor 3 and oversheath body 4 of alkene layer 31；2 outer surface of copper shaft conductor 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 6 outer surface of the wire sheathing；
Eight copper conductors 3 are stranded two-by-two to form four pairs of twisted wires pair as information communication, four twisted pair wire centering 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 to 84 counterclockwise and stranded form conductive
Cable core 8, the first twisted wire to 81 and the 3rd twisted wire to 83 with the second twisted wire to 82 and the 4th twisted wire it is spaced to 84, described four pairs
Twisted wire is coated with foil shielding layer 9 to respective outer surface, a polyester belt 10 around being wrapped in 9 outer surface of the foil shielding layer,
Two inner restrictive coatings 11 are coated on 10 outer surface of the polyester belt；
The oversheath body 4 includes the first sub- sheath 41, the second sub- sheath 42 and the 3rd sub- sheath 43, this first sub- sheath 41,
Second sub- sheath 42 and 43 center of the 3rd sub- sheath have " people " font connecting portion 12, and the of this " people " font connecting portion 12
One company's muscle portion 121, second connects muscle portion 122 and the 3rd company's muscle portion 123 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 1 outer surface of steel conductor, and the second sub- sheath 42 is coated on described
One inner restrictive coating, 7 outer surface, the 3rd sub- sheath 43 are coated on 11 outer surface of the second inner restrictive coating；
Proof copper-wire braided screen layer 14 is provided between the 3rd sub- sheath 43 and the first inner restrictive coating 11, can not both increase outer
Footpath, can ensure that the tractive force of needs again, so as to ensure that the adhesive between the 3rd sub- sheath 43 and the first inner restrictive coating 11,
Humidification is served, with very big tensile strength, it is also possible to eliminate or reduce cable answering in movement or twisting states
Power, improves the service life of cable；Secondly, further enhancing interference free performance.
The wire sheathing 6 and proof copper-wire braided screen layer 14 are by positioned at the second sub- sheath 42,43 and of the 3rd sub- sheath
The plain conductor 13 of some parallel spaced-apart arrangements in " people " font connecting portion 12 is electrically connected, adjacent 2 plain conductors
2.4～3.7 times at intervals of 8 twisting pitch of conductive cable core of 13；
First twisted wire to 81 pitch be 15 ~ 15.5mm, second twisted wire to 82 pitch be 13.5 ~ 13.9mm, institute
The pitch that the 3rd twisted wire is stated to 83 is 14.2 ~ 14.6mm, and the 4th twisted wire is 12.7 ~ 13.1mm to 84 pitch；
Adjacent segments away from design formula are：,
Being separated by pitch design formula is：；
H1 is pitch of first twisted wire to 81, and h2 is the second twisted wire to 82 or the 4th pitch of the twisted wire to 84, and h3 is the 3rd to twist
Pitch of the line to 83.
First twisted wire is 15.2mm to 81 pitch, and second twisted wire is 13.7mm to 82 pitch, described the
Three twisted wires are 14.4mm to 83 pitch, and the 4th twisted wire is 12.9mm to 84 pitch.
Above-mentioned four twisted pair wires strand forms conductive cable core 8, and this 8 twisting pitch of conductive cable core is the 4th twisted wire to 84 pitches
10 times.
Above-mentioned foil shielding layer 9 is made up of the aluminium foil layer of laminated polyester film and face on its inside, the laminated polyester film
Thickness is 0.020 ± 0.002mm, and the aluminium foil layer thickness is 0.014 ± 0.002 mm；Above-mentioned first connects muscle portion, second company's muscle
Portion and the adjacent angle of first company's muscle portion are 120 °；Above-mentioned steel conductor 1 and copper conductor 3 are through annealing process process.
Embodiment 2：A kind of four core pair twist communication cable of multipurpose, including：Steel conductor 1, copper spindle guide body 2, eight are coated with
The copper conductor 3 and oversheath body 4 of polyethylene layer 31；2 outer surface of copper shaft conductor is coated with plastic insulating layer 5, and this plastics is exhausted
5 outer surface of edge layer is coated with wire sheathing 6, and the first inner restrictive coating 7 is coated on 6 outer surface of the wire sheathing；
Eight copper conductors 3 are stranded two-by-two to form four pairs of twisted wires pair as information communication, four twisted pair wire centering 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 to 84 counterclockwise and stranded form conductive
Cable core 8, the first twisted wire to 81 and the 3rd twisted wire to 83 with the second twisted wire to 82 and the 4th twisted wire it is spaced to 84, described four pairs
Twisted wire is coated with foil shielding layer 9 to respective outer surface, a polyester belt 10 around being wrapped in 9 outer surface of the foil shielding layer,
Two inner restrictive coatings 11 are coated on 10 outer surface of the polyester belt；
The oversheath body 4 includes the first sub- sheath 41, the second sub- sheath 42 and the 3rd sub- sheath 43, this first sub- sheath 41,
Second sub- sheath 42 and 43 center of the 3rd sub- sheath have " people " font connecting portion 12, and the of this " people " font connecting portion 12
One company's muscle portion 121, second connects muscle portion 122 and the 3rd company's muscle portion 123 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 1 outer surface of steel conductor, and the second sub- sheath 42 is coated on described
One inner restrictive coating, 7 outer surface, the 3rd sub- sheath 43 are coated on 11 outer surface of the second inner restrictive coating；
Proof copper-wire braided screen layer 14 is provided between the 3rd sub- sheath 43 and the first inner restrictive coating 11, can not both increase outer
Footpath, can ensure that the tractive force of needs again, so as to ensure that the adhesive between the 3rd sub- sheath 43 and the first inner restrictive coating 11,
Humidification is served, with very big tensile strength, it is also possible to eliminate or reduce cable answering in movement or twisting states
Power, improves the service life of cable；Secondly, further enhancing interference free performance.
The wire sheathing 6 and proof copper-wire braided screen layer 14 are by positioned at the second sub- sheath 42,43 and of the 3rd sub- sheath
The plain conductor 13 of some parallel spaced-apart arrangements in " people " font connecting portion 12 is electrically connected, adjacent 2 plain conductors
2.4～3.7 times at intervals of 8 twisting pitch of conductive cable core of 13；
First twisted wire is 15.1mm to 81 pitch, and second twisted wire is 13.5mm to 82 pitch, and the described 3rd twists
Line is 14.3mm to 83 pitch, and the 4th twisted wire is 12.8mm to 84 pitch；
Adjacent segments away from design formula are：,
Being separated by pitch design formula is：；
H1 is pitch of first twisted wire to 81, and h2 is the second twisted wire to 82 or the 4th pitch of the twisted wire to 84, and h3 is the 3rd to twist
Pitch of the line to 83.
Above-mentioned four twisted pair wires strand forms conductive cable core 8, and this 8 twisting pitch of conductive cable core is the 4th twisted wire to 84 pitches
9 times.
The above 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 technical requirements of one side clad aluminum foil：
The copper wire material used design of braiding
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 broken string termination should be trimmed
The main performance index of finished cable
Conductor DC resistance（20℃）：≤9 6Ω/km；
The characteristic impedance of paired cable（20℃）：100±15Ω；
The characteristic impedance of coaxial cable（20℃）：75±15Ω；
The insulaion resistance of cable：≥10000 MΩ·km.
Above-described embodiment technology design only to illustrate the invention and feature, its object is to allow person skilled in the art
Scholar will appreciate that present disclosure and implement according to this, can not be limited the scope of the invention with this.It is all according to the present invention
Equivalence changes or modification that Spirit Essence is made, should all be included within the scope of the present invention.
Claims (3)
1. four core pair twist communication cable of a kind of multipurpose, it is characterised in that：Including：Steel conductor（1）, copper spindle guide body（2）, eight pieces bags
It is covered with polyethylene layer（31）Copper conductor（3）With oversheath body（4）；Copper shaft conductor（2）Outer surface is coated with plastic insulation
Layer（5）, this plastic insulating layer（5）Outer surface is coated with wire sheathing（6）, the first inner restrictive coating（7）It is coated on the metal
Braiding layer（6）Outer surface；
Eight copper conductors（3）It is stranded two-by-two to form four pairs of twisted wires pair as information communication, four twisted pair wire centering the
One twisted wire pair（81）, the second twisted wire pair（82）, the 3rd twisted wire pair（83）With the 4th twisted wire pair（84）It is arranged in order counterclockwise and twists
Conjunction forms conductive cable core（8）, the first twisted wire pair（81）With the 3rd twisted wire pair（83）With the second twisted wire pair（82）With the 4th twisted wire pair
（84）Spaced, four twisted pair wire is coated with foil shielding layer to respective outer surface（9）, a polyester belt（10）Around being wrapped in
The foil shielding layer（9）Outer surface, the second inner restrictive coating（11）It is coated on the polyester belt（10）Outer surface；
The oversheath body（4）Including the first sub- sheath（41）, the second sub- sheath（42）With the 3rd sub- sheath（43）, this is first sub
Sheath（41）, the second sub- sheath（42）With the 3rd sub- sheath（43）Center has one " people " font connecting portion（12）, this " people "
Font connecting portion（12）First company muscle portion（121）, second connect muscle portion（122）Connect muscle portion with the 3rd（123）It is connected respectively to institute
State the first sub- sheath（41）, the second sub- sheath（42）With the 3rd sub- sheath（43）, the first sub- sheath（41）It is coated on the steel to lead
Body（1）Outer surface, the second sub- sheath（42）It is coated on first inner restrictive coating（7）Outer surface, the 3rd sub- sheath（43）Cladding
In second inner restrictive coating（11）Outer surface；
The wire sheathing（6）With proof copper-wire braided screen layer（14）By positioned at the second sub- sheath（42）, the 3rd sub- sheath
（43）" people " font connecting portion（12）The plain conductor of some interior parallel spaced-apart arrangements（13）Electrical connection；
First twisted wire pair（81）Pitch be 15 ~ 15.5mm, second twisted wire pair（82）Pitch be 13.5 ~
13.9mm, the 3rd twisted wire pair（83）Pitch be 14.2 ~ 14.6mm, the 4th twisted wire pair（84）Pitch be 12.7 ~
13.1mm；
Adjacent segments away from design formula are：,
Being separated by pitch design formula is：；
H1 is the first twisted wire pair（81）Pitch, h2 be the second twisted wire pair（82）Or the 4th twisted wire pair（84）Pitch, h3 is
3rd twisted wire pair（83）Pitch；
The foil shielding layer（9）It is made up of the aluminium foil layer of laminated polyester film and face on its inside, the polyester film thickness
Spend for 0.020 ± 0.002mm, the aluminium foil layer thickness is 0.014 ± 0.002 mm.
2. four core pair twist communication cable of multipurpose according to claim 1, it is characterised in that：First twisted wire pair（81）
Pitch be 15.2mm, second twisted wire pair（82）Pitch be 13.7mm.
3. four core pair twist communication cable of multipurpose according to claim 1, it is characterised in that：3rd twisted wire pair（83）
Pitch be 14.4mm, the 4th twisted wire pair（84）Pitch be 12.9mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610363516.1A CN106531345A (en) | 2013-04-03 | 2013-04-03 | Multipurpose four-core twinning 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 |
| CN201610363516.1A CN106531345A (en) | 2013-04-03 | 2013-04-03 | Multipurpose four-core twinning 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 |
|---|---|
| CN106531345A true CN106531345A (en) | 2017-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| 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 |
| CN201610363395.0A Pending CN106229048A (en) | 2013-04-03 | 2013-04-03 | Low-loss mixed communication cable |
| CN201610363516.1A Pending CN106531345A (en) | 2013-04-03 | 2013-04-03 | Multipurpose four-core twinning communication cable |
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| Application Number | Title | Priority Date | Filing Date |
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| 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 |
| CN201610363395.0A Pending CN106229048A (en) | 2013-04-03 | 2013-04-03 | Low-loss mixed communication cable |
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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 |
|---|---|
| CN106229048A (en) | 2016-12-14 |
| CN103236314B (en) | 2017-02-08 |
| CN103236314A (en) | 2013-08-07 |
| CN106169325A (en) | 2016-11-30 |
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