CN202976994U - Low-latency high-speed data cable - Google Patents
Low-latency high-speed data cable Download PDFInfo
- Publication number
- CN202976994U CN202976994U CN 201220618673 CN201220618673U CN202976994U CN 202976994 U CN202976994 U CN 202976994U CN 201220618673 CN201220618673 CN 201220618673 CN 201220618673 U CN201220618673 U CN 201220618673U CN 202976994 U CN202976994 U CN 202976994U
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- China
- Prior art keywords
- copper conductor
- speed data
- copper
- aluminium foil
- data cable
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Abstract
The utility model discloses a low-latency high-speed data cable. The low-latency high-speed data cable comprises eight copper conductor pairs each of which is formed by two copper conductors, each copper conductor being coated with a silver layer on the surface thereof. The two copper conductors in each copper conductor pair are arranged in a parallel manner. Each copper conductor is externally covered with a first insulating layer for insulation. Six of the eight copper conductor pairs are all respectively wrapped with first polyester tapes on the outer surfaces thereof. The other two of the eight copper conductor pairs are wrapped with first one-side aluminum foils on the outer surfaces thereof. Drain wires are arranged between the copper conductor pairs and the first polyester tapes and between the copper conductor pairs and the first one-side aluminum foils. A piece of non-woven cloth is covered outside the two copper conductor pairs wrapped with the first one-side aluminum foils. The six copper conductor pairs wrapped with the first polyester tapes are intertwisted on the outer side of the non-woven cloth. On the basis of guaranteeing the transmission characteristics of high-speed data cables, the high-speed data cable provided by the utility model effectively solves the problem, in the performance of cable finished products, of time delay differential of the conductor pairs. Therefore, the stability of the cable insulation and high-frequency signal transmission performance is guaranteed.
Description
Technical field
The utility model relates to a kind of high-speed data cable, relates in particular to a kind of low delay type high-speed data cable.
Background technology
The structure of ordinary numbers cable: common high-speed data cable is to extrude one deck PE insulation outward by copper conductor to form insulated single wire, then is twisted into line pair by two single lines, then forms through stranding, sheath., can be subject to stretching in various degree, thereby cause the end properties center line defective to the index of delay inequality in twisting process due to two single lines, this is particularly outstanding when high-frequency.Therefore, for above-mentioned design defect, how to design a kind of poor cable of present low delay that satisfies, become the direction that those of ordinary skills make great efforts.
Summary of the invention
The utility model provides a kind of low delay type high-speed data cable, this high-speed data cable is guaranteeing on high-speed data cable transmission characteristic basis, efficiently solve cable end properties center line to the delay inequality problem, thereby guaranteed the stability of cable insulation and high-frequency signal transmission performance.
For achieving the above object, the technical solution adopted in the utility model is: a kind of low delay type high-speed data cable, comprise: eight copper conductor lines that formed by 2 silver coated copper conductors in surface pair, 2 copper conductors of this copper conductor line centering be arranged in parallel, and described copper conductor is outer the first insulating barrier that is covered with as insulation all; Six copper conductor lines of described eight copper conductor line centerings all are surrounded with the first polyester belt to outer surface separately, and another two the copper conductor lines of described eight copper conductor line centerings are surrounded with the first single face aluminium foil to outer surface; Be equipped with drain wire between described copper conductor line pair and the first polyester belt and the first single face aluminium foil;
One nonwoven fabrics is coated on two copper conductor lines that are surrounded with the first single face aluminium foil pair, and described six copper conductor line strands that are surrounded with the first polyester belt are in the described nonwoven fabrics outside;
Wrapped six copper conductor lines in being positioned at the described nonwoven fabrics outside of the second polyester belt pair;
The second single face Aluminium Foil Package is overlying on described the second polyester belt outer surface;
The one shielding braid band that is formed by the tinned copper wire braiding is coated on described the second single face aluminium foil outer surface, and the aluminium foil surface of described the second single face aluminium foil and described shielding braid band electrically contact;
One PVC restrictive coating is coated on described shielding braid band outer surface.
In technique scheme, further improved technical scheme is as follows:
1, in such scheme, the diameter of described copper conductor is 0.25mm ~ 0.32mm.
2, in such scheme, the count of described shielding braid band is 60% ~ 80%.
3, in such scheme, the diameter of described drain wire is 0.25mm ~ 0.30mm.
Because technique scheme is used, the utility model compared with prior art has following advantages:
1, the utility model low delay type high-speed data cable has the high-speed data cables of two and single line, and its single line parallel extruding of two copper conductors in process of production forms figure-8 structure line pair, then by strand to, stranding, sheath.Because two single lines of line centering are that parallel extruding forms, strand to the time stretching that is subject to also identical, substantially be two identical lines, so the delay inequality between these two single lines is very little, the delay inequality that the ordinary numbers cable test gets off is 10ns/100m, uses its time-delay difference of high-speed data cable of two and single line can be controlled at 3ns/100m.
2, the utility model low delay type high-speed data cable, be equipped with drain wire between its copper conductor line pair and the first polyester belt and the first single face aluminium foil, effectively avoided the interference of outer bound pair signal code, electric current total on cable is significantly reduced, improve shielding properties simultaneously, further strengthened the stability of cable insulation and high-frequency signal transmission performance.
Description of drawings
Accompanying drawing 1 is the utility model low delay type high-speed data cable structural representation.
In above accompanying drawing: 1, copper conductor line pair; 11, silver layer; 12, copper conductor; 2, the first insulating barrier; 3, the first polyester belt; 4, the first single face aluminium foil; 5, nonwoven fabrics; 6, the second polyester belt; 7, the second single face aluminium foil; 8, shielding braid band; 81, tinned copper wire; 9, PVC restrictive coating; 10, drain wire.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further described:
Embodiment 1: a kind of low delay type high-speed data cable, comprise: eight copper conductor lines that are comprised of the copper conductor 12 on 2 surfaces silver coated 11 are to 1, this copper conductor line be arranged in parallel to 2 copper conductors 12 in 1, and described copper conductor 12 is outer the first insulating barrier 2 that is covered with as insulation all; Described eight copper conductor lines to six copper conductor lines in 1 to 1 separately outer surface all be surrounded with the first polyester belt 3, described eight copper conductor lines are surrounded with the first single face aluminium foil 4 to another two copper conductor lines in 1 to 1 outer surface; Described copper conductor line is to being equipped with drain wire 10 between the 1 and first polyester belt 3 and the first single face aluminium foil 4;
One nonwoven fabrics 5 is coated on two copper conductor lines that are surrounded with the first single face aluminium foil 4 to 1, and described six copper conductor lines that are surrounded with the first polyester belt 3 are stranded in described nonwoven fabrics 5 outsides to 1;
Wrapped six the copper conductor lines in being positioned at described nonwoven fabrics 5 outsides of the second polyester belt 6 are to 1;
The second single face aluminium foil 7 is coated on described the second polyester belt 6 outer surfaces;
The one shielding braid band 8 that is formed by tinned copper wire 81 braidings is coated on described the second single face aluminium foil 7 outer surfaces, and the aluminium foil surface of described the second single face aluminium foil 7 and described shielding braid band 8 electrically contact;
One PVC restrictive coating 9 is coated on described shielding braid band 8 outer surfaces.
The diameter of above-mentioned copper conductor 12 is 0.25mm ~ 0.32mm.
The diameter of above-mentioned drain wire 10 is 0.27mm.
Embodiment 2: a kind of low delay type high-speed data cable, comprise: eight copper conductor lines that are comprised of the copper conductor 12 on 2 surfaces silver coated 11 are to 1, this copper conductor line be arranged in parallel to 2 copper conductors 12 in 1, and described copper conductor 12 is outer the first insulating barrier 2 that is covered with as insulation all; Described eight copper conductor lines to six copper conductor lines in 1 to 1 separately outer surface all be surrounded with the first polyester belt 3, described eight copper conductor lines are surrounded with the first single face aluminium foil 4 to another two copper conductor lines in 1 to 1 outer surface; Described copper conductor line is to being equipped with drain wire 10 between the 1 and first polyester belt 3 and the first single face aluminium foil 4;
One nonwoven fabrics 5 is coated on two copper conductor lines that are surrounded with the first single face aluminium foil 4 to 1, and described six copper conductor lines that are surrounded with the first polyester belt 3 are stranded in described nonwoven fabrics 5 outsides to 1;
Wrapped six the copper conductor lines in being positioned at described nonwoven fabrics 5 outsides of the second polyester belt 6 are to 1;
The second single face aluminium foil 7 is coated on described the second polyester belt 6 outer surfaces;
The one shielding braid band 8 that is formed by tinned copper wire 81 braidings is coated on described the second single face aluminium foil 7 outer surfaces, and the aluminium foil surface of described the second single face aluminium foil 7 and described shielding braid band 8 electrically contact;
One PVC restrictive coating 9 is coated on described shielding braid band 8 outer surfaces.
The diameter of above-mentioned copper conductor 12 is 0.29mm.
The count of above-mentioned shielding braid band 8 is 69%.
When adopting above-mentioned low delay type high-speed data cable, have the high-speed data cables of two and single line, its single line parallel extruding of two copper conductors in process of production forms figure-8 structure line pair, then by strand to, stranding, sheath.Because two single lines of line centering are that parallel extruding forms, strand to the time stretching that is subject to also identical, substantially be two identical lines, so the delay inequality between these two single lines is very little, the delay inequality that the ordinary numbers cable test gets off is 10ns/100m, uses its time-delay difference of high-speed data cable of two and single line can be controlled at 3ns/100m; Secondly, be equipped with drain wire between its copper conductor line pair and the first polyester belt and the first single face aluminium foil, effectively avoided the interference of outer bound pair signal code, electric current total on cable is significantly reduced, improve shielding properties simultaneously, further strengthened the stability of cable insulation and high-frequency signal transmission performance.
Above-described embodiment only is explanation technical conceive of the present utility model and characteristics, and its purpose is to allow person skilled in the art scholar can understand content of the present utility model and implement according to this, can not limit protection range of the present utility model with this.All equivalences of doing according to the utility model Spirit Essence change or modify, within all should being encompassed in protection range of the present utility model.
Claims (4)
1. low delay type high-speed data cable, it is characterized in that: comprising: eight copper conductor lines that are comprised of the copper conductor (12) on 2 surfaces silver coated (11) are to (1), this copper conductor line be arranged in parallel to 2 copper conductors (12) in (1), and described copper conductor (12) is outer the first insulating barrier (2) that is covered with as insulation all; Described eight copper conductor lines to six copper conductor lines in (1) to (1) separately outer surface all be surrounded with the first polyester belt (3), described eight copper conductor lines are surrounded with the first single face aluminium foil (4) to another two copper conductor lines in (1) to (1) outer surface; Described copper conductor line is to being equipped with drain wire (10) between (1) and the first polyester belt (3) and the first single face aluminium foil (4);
One nonwoven fabrics (5) is coated on two copper conductor lines that are surrounded with the first single face aluminium foil (4) to (1), and described six copper conductor lines that are surrounded with the first polyester belt (3) are stranded in described nonwoven fabrics (5) outside to (1);
Wrapped six the copper conductor lines in being positioned at described nonwoven fabrics (5) outside of the second polyester belt (6) are to (1);
The second single face aluminium foil (7) is coated on described the second polyester belt (6) outer surface;
The one shielding braid band (8) that is formed by tinned copper wire (81) braiding is coated on described the second single face aluminium foil (7) outer surface, and the aluminium foil surface of described the second single face aluminium foil (7) and described shielding braid band (8) electrically contact;
One PVC restrictive coating (9) is coated on described shielding braid band (8) outer surface.
2. high-speed data cable according to claim 1, it is characterized in that: the diameter of described copper conductor (12) is 0.25mm ~ 0.32mm.
3. high-speed data cable according to claim 1, it is characterized in that: the count of described shielding braid band (8) is 60% ~ 80%.
4. high-speed data cable according to claim 1, it is characterized in that: the diameter of described drain wire (10) is 0.25mm ~ 0.30mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220618673 CN202976994U (en) | 2012-11-21 | 2012-11-21 | Low-latency high-speed data cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220618673 CN202976994U (en) | 2012-11-21 | 2012-11-21 | Low-latency high-speed data cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202976994U true CN202976994U (en) | 2013-06-05 |
Family
ID=48518038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220618673 Expired - Fee Related CN202976994U (en) | 2012-11-21 | 2012-11-21 | Low-latency high-speed data cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202976994U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105913895A (en) * | 2016-06-15 | 2016-08-31 | 江苏通光电子线缆股份有限公司 | High-speed difference cable and preparation method thereof |
-
2012
- 2012-11-21 CN CN 201220618673 patent/CN202976994U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105913895A (en) * | 2016-06-15 | 2016-08-31 | 江苏通光电子线缆股份有限公司 | High-speed difference cable and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130605 Termination date: 20151121 |
|
| EXPY | Termination of patent right or utility model |