CN201259799Y - Shielding symmetrical data cable for 10G Ethernet - Google Patents
Shielding symmetrical data cable for 10G Ethernet Download PDFInfo
- Publication number
- CN201259799Y CN201259799Y CNU2008201519701U CN200820151970U CN201259799Y CN 201259799 Y CN201259799 Y CN 201259799Y CN U2008201519701 U CNU2008201519701 U CN U2008201519701U CN 200820151970 U CN200820151970 U CN 200820151970U CN 201259799 Y CN201259799 Y CN 201259799Y
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- data communication
- wiring system
- conductor
- symmetrical cable
- shield wiring
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Abstract
The utility model discloses a symmetrical cable used for 10G Ethernet data communication in a shielded wiring system, which comprises a ground wire and an outer covering. The outer covering of the symmetrical cable further comprises a plurality of core wire pairs and an S-shaped shielding layer; each core wire pair includes two twisted core wires which form a wire pair; each core wire consists of a conductor and an insulating layer which wraps the outer surface of the conductor; and the core wires are respectively arranged in the two areas made up by the bent parts of the S-shaped shielding layer. The symmetrical cable consists of an S-shaped aluminum foil shielding layer and an 8-shaped sheath with double shorings. Under the condition that internal interference of four pairs of wires is ensured, the problem of inter-group interference of two adjoining 10G Ethernet data communication symmetrical cables of the shielded wiring system at the time of high frequency transmission is effectively solved, and the cable is more flexible and easier to install. The utility model effectively solves the problem of inter-group interference of two adjoining 10G Ethernet data communication symmetrical cables of the shielded wiring system when high frequency transmission is required.
Description
Technical field
The utility model relates to cable, relates in particular to the shadow data communication symmetrical cable that the 10G Ethernet is used.
Background technology
The high speed development of information technology needs the network that speed is faster, capacity is bigger to carry, and the transmission rate that the existing Class 6 cable that is widely used in wiring market can't satisfy every pair of line on four pairs of cables all reaches the 100m Distance Transmission of 2.5Gb/s, and bandwidth also has only 250MHz; Use the bandwidth minimum requirements of 10G technology to be 500MHz, and under such high frequency, noise jamming problem during wiring between the line group is difficult to solve by the simple numerical signal processing technology, solves the inside and outside and crosstalks and guarantee performance under the high frequency so need to design a kind of Class 6 cable of enhancement mode.
Summary of the invention
At the problems referred to above, the utility model proposes a kind of communication symmetrical cable that improves screen aluminium foil shape, be intended to suppress effectively internal the crosstalking of line, can the shielding multiple twin on configuration 10G Ethernet, and can make transmission range reach the 100m that requires in the structured wiring, adopted the structure of the outer quilts of 8 fonts in addition, thereby softness is easy to install more, is a Eco-power cable.
The utility model discloses the data communication symmetrical cable of a kind of 10G of being used for Ethernet shield wiring system, comprise ground wire and outer quilt, it is characterized in that, further comprise in the outer quilt of described symmetrical cable: some core assembly lines are right, every core assembly line is right to be twisted into line by two heart yearns, and described heart yearn is made up of conductor and the insulating barrier that is coated on the described conductor outer surface; In two zones that the screen that is serpentine, described heart yearn enclose the bending that is arranged at described serpentine respectively.
Reasonablely be, described outer two line structures of 8 fonts that are, described every core assembly line is arranged in two zones that 8 fonts of described outer quilt enclose apportion.
Reasonablely be, described 8 fonts are outer to be comprised respectively that by in two zones that enclose 4 pairs of heart yearns are right, and described 4 pairs of right pitches of heart yearn have nothing in common with each other.
Reasonablely be, described conductor adopts the hypoxemia soft copper, and described screen is an aluminium foil, and described insulating barrier is the material of low-k, low dielectric loss.
Reasonablely be, the specification of described conductor is the solid conductor of 23AWG, and nominal diameter is 0.58mm.
Reasonablely be, described insulating barrier is made by the high-density polyethylene expanded material, and the insulation nominal diameter is 1.37 ± 0.02mm.
Reasonablely be that described heart yearn is to being the twisting shape, and 4 pairs of lines all adopt 20～60% back twist technology.
Reasonablely be, described sheath is made by polyvinyl chloride (PVC) material or low smoke and zero halogen (LSZH), and its thickness is about 0.5 ± 0.15mm, and nominal outside diameter is 7.3 ± 0.3 * 15.2 ± 0.5mm.
Adopt the symmetrical cable of said structure, both satisfied EIA/telecommunications industry association EIA/TIA-568B.2-10 draft mechanical performance and the requirement of electric property, also satisfy the desired fire protecting performance in American insurance merchant laboratory (UL), have advantage easy to use, that be convenient to lay.
Description of drawings
Below, with reference to accompanying drawing, for those skilled in the art that, to the detailed description of the present utility model, above-mentioned and other purposes of the present utility model, feature and advantage will be apparent.
Accompanying drawing 1 is a sectional structure chart of the present utility model.
Embodiment
As shown in Figure 1,10G Ethernet of the present utility model is formed by 11 sheaths that constitute by the two branch lines of the figure of eight are outer with shielding symmetric data cable 10, outer being enclosed by 11 of this figure of eight forms two closed areas, each closed area comprises 4 pairs of heart yearns respectively to (only illustrating 2 pairs of heart yearns to 18 and 19), and these 4 pairs of right pitches of heart yearn have nothing in common with each other.
Every pair of heart yearn here is right to be twisted into line by two heart yearns, and this heart yearn is to forming heart yearn to 18 by conductor 13 and the insulating barrier 14 that is coated on these conductor 13 outer surfaces; The screen 12 here is serpentine, in two zones that two core assembly lines of said structure enclose 18 and 19 bendings that are arranged at this serpentine screen 12 respectively (referring to accompanying drawing).
Made by polyvinyl chloride (PVC) material by 11 sheaths of forming outward, profile is the figure of eight, and the thickness of sheath is 0.5 ± 0.15mm, and external diameter is 7.3 ± 0.3*15.2 ± 0.5mm.
High-speed data communication paired cable of the present utility model has 5 important unit for electrical property parameters: impedance, decay, return loss. cross-talk (group in). and cross-talk etc. between group has taken into full account five equilibrium when design.
Impedance is a parameter the most basic in the electric property, and it is by conductor lines footpath, two conductor centre-to-centre spacing, these three the parameter decisions of insulative dielectric constant, and not matching of any impedance all can cause the error of final acknowledge(ment) signal.We the time have taken into full account the influence of these three factors in design, and the conductor lines footpath is big, and low cut can be got well, but cost raises, and finish line footpath is bigger than normal; The conductor lines little decay meeting in footpath is influenced.Considering when producing the different and tension force of pitch, inconsistent can to produce each line different and influence impedance to two conductor centre-to-centre spacing, go out different insulated wire footpaths according to different multiple twin pitch design, the right resistance value of every line is controlled at about 100 ± 150hm behind the assurance finished product.
Decay is divided into conductor decay and diectric attenuation two parts, and the conductor decay is relevant with resistance, so we adopt oxygen-free copper or hypoxemia copper product, makes resistance reach minimum; Insulating material is selected high density polyethylene (HDPE) (HDPE) material for use, all is the smaller material of dielectric constant and dielectric loss angle.
Return loss is subjected to the influence of input impedance, because and load impedance do not match or make in the inhomogeneous point in cycle, and the reflection that produces signal, input impedance is fluctuateed up and down at characteristic impedance value, the energy of reflection aggravates along with the increase of frequency, even can produce the sudden change significantly of return loss.Adopted the pre-back twist technology of pair twist in the design, eliminated the influence of periodic inconsistent generation, improved the stability of input impedance, thereby optimized return loss input impedance.
The design of cross-talk is to be based upon on the pitch of original six class lines in the group, the pitch design of original six class lines is supported the frequency of 250MHz only, and existing 10G wire rod requires to possess crosstalking above 500MHz, so suitably reduced the pair twist pitch during design, and used the statistical method of Six Sigma experimental design to select best pitch, thereby satisfied the requirement of crosstalking in the group, real system can satisfy the qualified index of crosstalking of 1000MHz.
One of performance that high-speed data communication paired cable of the present utility model is superior is embodied on the anti-external world crosstalks.When traditional shielding six class data communication paired cable designs can't solve frequency and extend to high frequency, the interference of adjacent lines centering transmission signals.The serpentine aluminum foil shielded structure that our company adopts seems simply, but crosstalks in the solution group effectively, and the wire rod softness, be easy to wiring, and save material, be a getting twice the result with half the effort. Eco-power new product.
More than all embodiment only for the explanation the utility model usefulness, but not to restriction of the present utility model, person skilled in the relevant technique, under the situation that does not break away from spirit and scope of the present utility model, can also make various conversion or variation, so all technical schemes that are equal to also should belong to category of the present utility model and should be limited by each claim.
Claims (8)
1, a kind of data communication symmetrical cable that is used for 10G Ethernet shield wiring system comprises ground wire and outer quilt, it is characterized in that, further comprises in the outer quilt of described symmetrical cable:
Some core assembly lines are right, and every core assembly line is right to be twisted into line by two heart yearns, and described heart yearn is made up of conductor and the insulating barrier that is coated on the described conductor outer surface;
In two zones that the screen that is serpentine, described heart yearn enclose the bending that is arranged at described serpentine respectively.
2, the data communication symmetrical cable that is used for 10G Ethernet shield wiring system according to claim 1, it is characterized in that, described outer two line structures of 8 fonts that are, described every core assembly line is arranged in two zones that 8 fonts of described outer quilt enclose apportion.
3, the data communication symmetrical cable that is used for 10G Ethernet shield wiring system according to claim 2 is characterized in that, described 8 fonts are outer to be comprised respectively that by in two zones that enclose 4 pairs of heart yearns are right, and described 4 pairs of right pitches of heart yearn have nothing in common with each other.
4, the data communication symmetrical cable that is used for 10G Ethernet shield wiring system according to claim 3 is characterized in that, described conductor adopts the hypoxemia soft copper, and described screen is an aluminium foil, and described insulating barrier is the material of low-k, low dielectric loss.
5, the data communication symmetrical cable that is used for 10G Ethernet shield wiring system according to claim 4 is characterized in that, the specification of described conductor is the solid conductor of 23AWG, and nominal diameter is 0.58mm.
6, the data communication symmetrical cable that is used for 10G Ethernet shield wiring system according to claim 4 is characterized in that described insulating barrier is made by the high-density polyethylene expanded material, and the insulation nominal diameter is 1.37 ± 0.02mm.
7, the data communication symmetrical cable that is used for 10G Ethernet shield wiring system according to claim 4 is characterized in that, described heart yearn is to being the twisting shape, and 4 pairs of lines all adopt 20～60% back twist technology.
8, the data communication symmetrical cable that is used for 10G Ethernet shield wiring system according to claim 4, it is characterized in that, described sheath is made by polyvinyl chloride material or low smoke and zero halogen, and its thickness is about 0.5 ± 0.15mm, and nominal outside diameter is 7.3 ± 0.3 * 15.2 ± 0.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201519701U CN201259799Y (en) | 2008-08-15 | 2008-08-15 | Shielding symmetrical data cable for 10G Ethernet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201519701U CN201259799Y (en) | 2008-08-15 | 2008-08-15 | Shielding symmetrical data cable for 10G Ethernet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201259799Y true CN201259799Y (en) | 2009-06-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201519701U Expired - Lifetime CN201259799Y (en) | 2008-08-15 | 2008-08-15 | Shielding symmetrical data cable for 10G Ethernet |
Country Status (1)
| Country | Link |
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| CN (1) | CN201259799Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102074283A (en) * | 2010-11-16 | 2011-05-25 | 江苏河阳线缆有限公司 | Symmetrical cable capable of keeping capacitance constant and manufacturing method thereof |
| CN102231303A (en) * | 2011-04-19 | 2011-11-02 | 江苏通鼎光电科技有限公司 | Shielding digital communication cable |
| RU2456695C2 (en) * | 2010-05-14 | 2012-07-20 | Государственное образовательное учреждение высшего профессионального образования Московский технический университет связи и информатики (МТУСИ) | Symmetric four-pair cable |
| CN104538111A (en) * | 2014-12-30 | 2015-04-22 | 东莞市晟钫实业有限公司 | Two-body HDMI2.0 data line |
| CN107170524A (en) * | 2017-07-04 | 2017-09-15 | 华迅工业(苏州)有限公司 | A kind of cloud computing high-speed transfer is parallel to SFP+ cables |
| 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 |
| RU2714881C1 (en) * | 2019-05-31 | 2020-02-20 | Ордена трудового Красного Знамени федеральное государственное бюджетное образовательное учреждение высшего образования "Московский технический университет связи и информатики" (МТУСИ) | Symmetrical four-pair cable with film-microtubular insulation of cores |
| RU2758281C1 (en) * | 2021-04-16 | 2021-10-28 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Национальный исследовательский Московский государственный строительный университет" (НИУ МГСУ) | Symmetrical unshielded eight-pair cable of category 5e in an eight-section polymer cage |
-
2008
- 2008-08-15 CN CNU2008201519701U patent/CN201259799Y/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2456695C2 (en) * | 2010-05-14 | 2012-07-20 | Государственное образовательное учреждение высшего профессионального образования Московский технический университет связи и информатики (МТУСИ) | Symmetric four-pair cable |
| CN102074283A (en) * | 2010-11-16 | 2011-05-25 | 江苏河阳线缆有限公司 | Symmetrical cable capable of keeping capacitance constant and manufacturing method thereof |
| CN102074283B (en) * | 2010-11-16 | 2013-03-13 | 江苏河阳线缆有限公司 | Symmetrical cable capable of keeping capacitance constant and manufacturing method thereof |
| CN102231303A (en) * | 2011-04-19 | 2011-11-02 | 江苏通鼎光电科技有限公司 | Shielding digital communication cable |
| CN102231303B (en) * | 2011-04-19 | 2012-11-07 | 江苏通鼎光电科技有限公司 | Shielding digital communication cable |
| CN104538111A (en) * | 2014-12-30 | 2015-04-22 | 东莞市晟钫实业有限公司 | Two-body HDMI2.0 data line |
| CN107170524A (en) * | 2017-07-04 | 2017-09-15 | 华迅工业(苏州)有限公司 | A kind of cloud computing high-speed transfer is parallel to SFP+ cables |
| CN107170524B (en) * | 2017-07-04 | 2023-05-05 | 华迅工业(苏州)有限公司 | Cloud computing high-speed transmission parallel pair SFP+ cable |
| 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 |
| RU2714881C1 (en) * | 2019-05-31 | 2020-02-20 | Ордена трудового Красного Знамени федеральное государственное бюджетное образовательное учреждение высшего образования "Московский технический университет связи и информатики" (МТУСИ) | Symmetrical four-pair cable with film-microtubular insulation of cores |
| RU2758281C1 (en) * | 2021-04-16 | 2021-10-28 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Национальный исследовательский Московский государственный строительный университет" (НИУ МГСУ) | Symmetrical unshielded eight-pair cable of category 5e in an eight-section polymer cage |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Fast industry (Suzhou) Co., Ltd of China Assignor: Lingxun Electric Wire Industry (Shanghai) Co., Ltd. Contract record no.: 2012320010020 Denomination of utility model: Shielding symmetrical data cable for 10G Ethernet Granted publication date: 20090617 License type: Exclusive License Record date: 20120223 |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090617 |