CN206471133U - One kind surpasses six class electricity comprehensive digital communication cables - Google Patents
One kind surpasses six class electricity comprehensive digital communication cables Download PDFInfo
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- CN206471133U CN206471133U CN201720167127.1U CN201720167127U CN206471133U CN 206471133 U CN206471133 U CN 206471133U CN 201720167127 U CN201720167127 U CN 201720167127U CN 206471133 U CN206471133 U CN 206471133U
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Abstract
The utility model discloses that one kind surpasses six class electricity comprehensive digital communication cables, including cable core and oversheath, and described cable core includes one group of twisted-pair feeder being distributed in described oversheath, and described twisted-pair feeder is stranded for the single copper free wire of two poroid insulating barriers of overcoat.The utility model surpasses the new material for using poroid insulating barrier in six class electricity comprehensive digital communication cables outside twisted-pair feeder, cable core dielectric constant is diminished, and reduces material usage, production cost is reduced, while signal transmission attenuation is small in high-frequency transmission.
Description
Technical field
The utility model, which is related to, surpasses six class electricity comprehensive digital communication cables.
Background technology
Since 1980s mid-term, with data communication and the high speed development of information technology, network technology it is swift and violent
Development and the continuous improvement of computing power, requirement of the people to comprehensive wiring system performance also more and more higher, current network are passed
Defeated speed brought up to 100Mb, and gigabit LAN technology from former 10Mb, and network rate is increasingly improved, it is meant that work
The raising of working frequency, working frequency is higher, and its signal transmission attenuation is bigger.Traditional surpasses six class electricity comprehensive digital communication cables using real core
Polyethylene insulation technical pattern, its cable core transmission attenuation in high frequency is big.Other being continuously increased with the cost of raw material so that
Six class electricity comprehensive digital communication cable cost more and more highers are surpassed with real core polyethylene insulation technology, enterprise market competition is very fierce,
Usually it is in a disadvantageous position in fierce market competition, and cable core dielectric constant is big.
The content of the invention
The purpose of this utility model proposes one kind and surpasses six class electricity comprehensive digital communication cables, surpasses six class digital communications at present to overcome
Cable transmission decay is big, cost is high and the big deficiency of cable core dielectric constant.
The utility model is to realize the technical scheme that above technical requirements are used：One kind surpasses six class digital communication lines
Cable, including cable core and oversheath, described cable core include one group of twisted-pair feeder being distributed in described oversheath, described multiple twin
Line is stranded for the single copper free wire of two poroid insulating barriers of overcoat.
The utility model surpasses the new material for using poroid insulating barrier in six class electricity comprehensive digital communication cables outside twisted-pair feeder, makes cable core
Dielectric constant diminishes, and reduces material usage, production cost is reduced, while signal transmission attenuation is small in high-frequency transmission.
Further, it is above-mentioned to surpass in six class electricity comprehensive digital communication cables：Described cable core includes four pairs of twisted-pair feeders, described
The section of oversheath for circle, four pairs of twisted-pair feeders be distributed in one with the cylindrical concentric annulus of oversheath.
Further, it is above-mentioned to surpass in six class electricity comprehensive digital communication cables：The thickness of described poroid insulating barrier is 0.05mm.
Below with reference to drawings and examples, the utility model is described in detail.
Brief description of the drawings
Fig. 1 is that the utility model embodiment surpasses six class electricity comprehensive digital communication cable sectional views.
Embodiment
Surpass six class electricity comprehensive digital communication cables as shown in figure 1, the present embodiment is one kind, its section is as shown in Figure 1：This surpasses six class numbers
The word communications cable, including cable core and oversheath, cable core include one group of twisted-pair feeder being distributed in described oversheath 3, twisted-pair feeder
Single copper free wire 1 for the poroid insulating barrier 2 of two overcoats is stranded.Cable core includes four pairs of twisted-pair feeders, and the section of oversheath is
Circle, four pairs of twisted-pair feeders be distributed in one with the cylindrical concentric annulus of oversheath.The thickness of poroid insulating barrier 2 is 0.05mm.
In the present embodiment, surpass six class electricity comprehensive digital communication cables using anaerobic copper conductor, by high pressure nitrogen injection mode by composition
For 25 ~ 28 parts of ethene-acetate ethylene copolymer, ethene-acetate ethylene copolymer grafted maleic anhydride copolymer 9 ~ 11
Part, 7 ~ 9 parts of siloxanes, 1,3- 95 parts of butadiene, 50 ~ 55 parts of styrene, 25 ~ 28 parts of ethene-acetate ethylene copolymer
High density polyolefins and low density polyolefin press 3:The mixture of 1 composition is plastified, and makes it in single copper free wire profile
It is shaped as the insulating barrier of 5mm alveolate textures.The purpose of low-k is reached with this to meet signal transmission low transmission decay
Property and reduce insulating materials usage amount and conductor usage amount, measured, it is known that when foam degrees are 26%, insulating materials dielectric
Constant before foaming 2.1 drop to after foaming 1.90, the traditional six class electricity comprehensive digital communication cable transmission attenuation values that surpass are in test
Frequency 250MHz=30.44dB/100m, the present embodiment product transmission attenuation value is in test frequency 250MHz=27.44dB/100m.
Traditional real core insulation type surpasses six class electricity comprehensive digital communication cables when meeting characteristic impedance for 100 ± 15 Ω, and its conductor diameter is used
0.57mm, outer insulation diameter is 1.05mm, and the present embodiment cable products are when meeting characteristic impedance for 100 ± 15 Ω, outside its conductor
Footpath uses 0.54mm, and insulating barrier external diameter is 0.88mm, and by using special interior mould, line is to without stranding, in sheathing
It is disposable to complete, reduce technique productions cost.The utility model product is more traditional to surpass the reduction of six class electricity comprehensive digital communication cable costs
26%, meet the electric property for surpassing six class electricity comprehensive digital communication cables, transmission performance and mechanical property requirements.
The six class electricity comprehensive digital communication cables that surpass of the present embodiment meet low transmission Decay Rate, at the same reduce raw material use into
This.Traditional crosstalk surpassed between six class electricity comprehensive digital communication cables reduction signal wire pair, be it is online to stranding when by increasing cross bone
Frame is by different pitch lines to carrying out significant interval, this structure increase cost of raw material and process costs.The utility model product
By using special inner mould, this mould is round shape structure, and its center of circle is 1mm solid, and solid surrounding is symmetrical
The hollow ring that four external diameters are 2mm, whole interior mould external diameter is that this inner mould is used when 6mm. sheaths are produced by multiple twin
Line carry out it is effectively fixed simultaneously separate, maintained a certain distance using between four pairs of twisted-pair feeders, the mutual crosstalk of signal, this side
Method product can be without using crossing skeleton, while reducing the worst line of stranding production work system its original structures to its near-end crosstalk
Pad value test frequency 250MHz=66.25dB/100m, reaches existing worst line to its near-end crosstalk attenuation value test frequency
250MHz=71.45dB/100m, by using new material and new technology, this product meets low biography Decay Rate and low cost, has
Beneficial to the lifting competitiveness of product in market.
In the present embodiment, low cost and the six class electricity comprehensive digital communication cables that surpass of low transmission Decay Rate are used on core structure
Three-layer co-extruded formula physically foamed pe insulation layer, core average dielectric constant is reduced with this structure, meets signal transmission low
Attenuation requirement, under the conditions of same transmission performance is reached, reduces copper conductor outside dimension, saves insulating materials usage amount, so that
Product raw material production cost is reduced, the utility model product is by using special inner mould in addition, and this mould is round shape knot
Structure, whole interior mould external diameter is to carry out effectively fixed by twisted-pair feeder using this inner mould when 6mm. sheaths are produced and separate
Come, maintained a certain distance using between four pairs of twisted-pair feeders, the mutual crosstalk of signal between line pair will be reduced, the method product can be with
Without using crossing skeleton, building hall pipe institute of government, modern section are widely used in while reducing stranding production work and being tied to form such a products of this
Skill museum, meeting auditorium, star hotel, city square, the transmission high-frequency digital communication of the system such as house villa.
Claims (3)
1. one kind surpasses six class electricity comprehensive digital communication cables, including cable core and oversheath, it is characterised in that：Described cable core includes being distributed in
Described oversheath（3）One group of interior twisted-pair feeder, described twisted-pair feeder is two poroid insulating barriers of overcoat（2）Single oxygen-free copper
Silk（1）It is stranded.
2. according to claim 1 surpass six class electricity comprehensive digital communication cables, it is characterised in that：Described cable core includes four pairs pairs
Twisted wire, the section of described oversheath is circle, four pairs of twisted-pair feeders be distributed in one with the cylindrical concentric annulus of oversheath.
3. according to claim 1 surpass six class electricity comprehensive digital communication cables, it is characterised in that：Described poroid insulating barrier（2）'s
Thickness is 0.05mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720167127.1U CN206471133U (en) | 2017-02-23 | 2017-02-23 | One kind surpasses six class electricity comprehensive digital communication cables |
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| CN201720167127.1U CN206471133U (en) | 2017-02-23 | 2017-02-23 | One kind surpasses six class electricity comprehensive digital communication cables |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106710681A (en) * | 2017-02-23 | 2017-05-24 | 湖北宇洪光电实业有限公司 | 6<+> digital communication cable and manufacturing method therefor |
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2017
- 2017-02-23 CN CN201720167127.1U patent/CN206471133U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106710681A (en) * | 2017-02-23 | 2017-05-24 | 湖北宇洪光电实业有限公司 | 6<+> digital communication cable and manufacturing method therefor |
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