CN202563969U - Communication cable having steel tape armoring - Google Patents
Communication cable having steel tape armoring Download PDFInfo
- Publication number
- CN202563969U CN202563969U CN 201220107065 CN201220107065U CN202563969U CN 202563969 U CN202563969 U CN 202563969U CN 201220107065 CN201220107065 CN 201220107065 CN 201220107065 U CN201220107065 U CN 201220107065U CN 202563969 U CN202563969 U CN 202563969U
- Authority
- CN
- China
- Prior art keywords
- stranded wire
- twisted wire
- wire pair
- pitch
- communication cable
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The utility model relates to a communication cable having steel tape armoring. The communication cable having steel tape armoring comprises four stranded wire pairs with an outer surface wrapped with an aluminum foil shielding layer, wherein pitches of a first stranded wire pair and a third stranded wire pair of the four stranded wire pairs are smaller than pitches of a second stranded wire pair and a fourth stranded wire pair, the first stranded wire pair and the third stranded wire pair, and the second stranded wire pair and the fourth stranded wire pair are alternately arranged, the pitch of the first stranded wire pair is greater than that of the third stranded wire pair, the pitch of the second stranded wire pair is smaller than that of the fourth stranded wire pair, the stranded wire pair is formed by two stranded copper leads, a surface of the copper lead is wrapped with a polyethylene layer as an insulation layer, the four stranded wire pairs are wrapped with an inner polyvinyl chloride cover layer, an armoring steel tape layer is wrapped on an outer surface of the inner polyvinyl chloride cover layer, and an outer polyethylene sheath is wrapped on an outer surface of the armoring steel tape layer. The communication cable provided by the utility model effectively settles a problem that usage performance of the communication cable is influenced by large-degree stretch, reduces near-end crosstalk disturbance of the communication cable and improves a far-end crosstalk ratio of the communication cable and signal transmission quality of the communication cable.
Description
Technical field
The utility model relates to a kind of telecommunication cable, relates in particular to a kind of telecommunication cable with steel-tape armouring.
Background technology
The structure of common outdoor digital cable: outdoor digital cable generally is to be used for outside run; Its primary structure is the structure of one deck PE (polyethylene) oversheath outside cable conductor; Because the said structure of outdoor digital cable limitation; In dwelling house exterior finish netting twine distributing system, automated detection system, cause that stretching is big, quality is unstable, unreliable and influence serviceability.
Summary of the invention
The utility model provides a kind of telecommunication cable with steel-tape armouring; This telecommunication cable has effectively improved to stretch influences the problem of serviceability greatly; Because the restrictive coating of cable chance water does not decompose, greatly facilitate emergency maintenance simultaneously, improve maintenance efficiency and repair quality; And reduce the interference of cable near-end crosstalk and improve the cable far-end crosstalk ratio, improved the cable transmission signal quality.
For achieving the above object; The technical scheme that the utility model adopts is: a kind of telecommunication cable with steel-tape armouring; Comprise: the twisted wire that four outer surfaces are coated with foil shielding layer is right; These four twisted wire centering first twisted wires to the right pitch of the 3rd twisted wire less than second twisted wire to the pitch right with the 4th twisted wire; First twisted wire to the 3rd twisted wire pair and second twisted wire to the 4th twisted wire to alternately, the right pitch of said first twisted wire is greater than the right pitch of the 3rd twisted wire, the right pitch of said second twisted wire is less than the right pitch of the 4th twisted wire; This twisted wire is to by two copper conductor stranded compositions; This copper conductor surface is coated with the polyethylene layer as insulating barrier; These four twisted wire outer surface are coated with one polyvinyl chloride sheath; One armouring tape layer is coated on said polyvinyl chloride sheath outer surface, and a polyethylene oversheath is coated on said armouring tape layer outer surface.
It is following that technique scheme is further improved technical scheme:
1. in the such scheme, said armouring tape layer applies a polyester film sublayer by the galvanized steel strip sublayer and forms.
2. in the such scheme, the girth of said armouring tape layer and the proportion of its thickness are 1: 100～140.
3. in the such scheme, said four twisted pair wires are to pitch range 10～20mm.
Because the technique scheme utilization, the utility model compared with prior art has advantage:
The utlity model has the telecommunication cable of steel-tape armouring; Characteristics with the outer digital cable of alternative conventional chamber; Because cable has adopted the new structure of armouring, effectively having improved stretching big and influence the problem of serviceability, simultaneously since the restrictive coating of cable chance water do not decompose; Greatly facilitate emergency maintenance, improve maintenance efficiency and repair quality; Secondly, its four twisted wire unit adopt specific strand that pitch is made up, thereby symmetrical cable reduces the interference of cable near-end crosstalk and improves the cable far-end crosstalk ratio, has improved the cable transmission signal quality, and its transmission characteristic can satisfy the transmission requirement of computer cable.
Description of drawings
Accompanying drawing 1 is for the utlity model has the telecommunication cable structural representation of steel-tape armouring.
In the above accompanying drawing: 1, foil shielding layer; 2, twisted wire is right; 21, first twisted wire is right; 22, second twisted wire is right; 23, the 3rd twisted wire is right; 24, the 4th twisted wire is right; 3, copper conductor; 4, polyethylene layer; 5, polyvinyl chloride sheath; 6, armouring tape layer; 7, polyethylene oversheath.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is further described:
Embodiment: a kind of telecommunication cable with steel-tape armouring; Comprise: the twisted wire that four outer surfaces are coated with foil shielding layer 1 is to 2; These four twisted wire centering first twisted wires to the 21 and the 3rd twisted wire to 23 pitch less than second twisted wire to the 22 and the 4th twisted wire to 24 pitch; First twisted wire to the 21 and the 3rd twisted wire to 23 and second twisted wire to the 22 and the 4th twisted wire to 24 alternately; Said first twisted wire to 21 pitch greater than the 3rd twisted wire to 23 pitch, said second twisted wire to 22 pitch less than the 4th twisted wire to 24 pitch; This twisted wire to 2 by 3 stranded compositions of two copper conductors; These copper conductor 3 surfaces are coated with the polyethylene layer 4 as insulating barrier; These four twisted wires are coated with one polyvinyl chloride sheath 5 to 2 outer surfaces; One armouring tape layer 6 is coated on said polyvinyl chloride sheath 5 outer surfaces, and a polyethylene oversheath 7 is coated on said armouring tape layer 6 outer surface.
Above-mentioned armouring tape layer 6 applies a polyester film sublayer by the galvanized steel strip sublayer and forms.
Above-mentioned four twisted pair wires are to pitch range 10～20mm.
The girth of above-mentioned armouring tape layer 6 and the proportion of its thickness are 1: 100 or 120 or 140.
The regulation of thickness of strips and wide following table.
The thickness of strips permissible variation meets the regulation of following table.
| Specification (mm) | Thickness and permissible variation (mm) |
| 0.15 | 0.15±0.01 |
| 0.20 | 0.20±0.02 |
| 0.30 | 0.30±0.03 |
| 0.50 | 0.48±0.03 |
Steel band tensile strength and percentage elongation meet the regulation of following table.
The main performance index of finished cable:
Conductor DC resistance (20 ℃) :≤88.36 Ω/km;
The characteristic impedance of cable (20 ℃): 100 ± 15 Ω;
The mutual capacitance of cable :≤52nF/km;
The insulation resistance of cable: >=10000M Ω km
The development process of the utility model technology is following:
The product technology scheme determination.
The main performance index of finished cable:
Conductor DC resistance (20 ℃) :≤88.36 Ω/km;
The characteristic impedance of cable (20 ℃): 100 ± 15 Ω;
The mutual capacitance of cable :≤52nF/km;
The insulation resistance of cable: >=10000M Ω km.
When adopting above-mentioned telecommunication cable with steel-tape armouring; Characteristics with the outer digital cable of alternative conventional chamber; Because cable has adopted the new structure of armouring, effectively having improved stretching big and influence the problem of serviceability, simultaneously since the restrictive coating of cable chance water do not decompose; Greatly facilitate emergency maintenance, improve maintenance efficiency and repair quality; Secondly, its four twisted wires make up pitch adopting specific strand, thereby symmetrical cable reduces the interference of cable near-end crosstalk and improves the cable far-end crosstalk ratio, has improved the cable transmission signal quality, and its transmission characteristic can satisfy the transmission requirement of computer cable.
The foregoing description only is the technical conceive and the characteristics of explanation the utility model, and its purpose is to let the personage who is familiar with this technology can understand content of the utility model and enforcement according to this, can not limit the protection range of the utility model with this.All equivalences of being done according to the utility model spirit change or modify, and all should be encompassed within the protection range of the utility model.
Claims (4)
1. telecommunication cable with steel-tape armouring; It is characterized in that: comprising: the twisted wire that four outer surfaces are coated with foil shielding layer (1) is to (2); These four twisted wire centering first twisted wires to (21) and the 3rd twisted wire to the pitch of (23) less than second twisted wire to (22) and the 4th twisted wire pitch to (24); First twisted wire to (21) and the 3rd twisted wire to (23) and second twisted wire to (22) and the 4th twisted wire to (24) alternately; Said first twisted wire to the pitch of (21) greater than the pitch of the 3rd twisted wire to (23), said second twisted wire to the pitch of (22) less than the pitch of the 4th twisted wire to (24); This twisted wire to (2) by two copper conductors (3) stranded composition; This copper conductor (3) surface is coated with the polyethylene layer (4) as insulating barrier; These four twisted wires are coated with one polyvinyl chloride sheath (5) to (2) outer surface; One armouring tape layer (6) is coated on said polyvinyl chloride sheath (5) outer surface, and a polyethylene oversheath (7) is coated on said armouring tape layer (6) outer surface.
2. telecommunication cable according to claim 1 is characterized in that: said armouring tape layer (6) applies a polyester film sublayer by the galvanized steel strip sublayer and forms.
3. telecommunication cable according to claim 1 is characterized in that: the girth of said armouring tape layer (6) and the proportion of its thickness are 1:100 ~ 140.
4. telecommunication cable according to claim 1 is characterized in that: said four twisted pair wires are to pitch range 10 ~ 20mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220107065 CN202563969U (en) | 2012-03-21 | 2012-03-21 | Communication cable having steel tape armoring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220107065 CN202563969U (en) | 2012-03-21 | 2012-03-21 | Communication cable having steel tape armoring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202563969U true CN202563969U (en) | 2012-11-28 |
Family
ID=47213597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220107065 Expired - Fee Related CN202563969U (en) | 2012-03-21 | 2012-03-21 | Communication cable having steel tape armoring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202563969U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103680751A (en) * | 2013-11-22 | 2014-03-26 | 成都捷康特科技有限公司 | Cable resistant to electromagnetic interference |
-
2012
- 2012-03-21 CN CN 201220107065 patent/CN202563969U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103680751A (en) * | 2013-11-22 | 2014-03-26 | 成都捷康特科技有限公司 | Cable resistant to electromagnetic interference |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104916368A (en) | Photoelectric composite communication cable | |
| CN202563969U (en) | Communication cable having steel tape armoring | |
| CN203325565U (en) | Self-supporting communication data cable used for outdoor comprehensive wiring system | |
| CN203325548U (en) | Communication cable used for field wire arrangement in special and complex environment | |
| CN105469898A (en) | Overhead low-loss data transmission line composite cable | |
| CN203325503U (en) | Low-loss anti-interference communication cable | |
| CN204215760U (en) | A kind of perfluoroethylene-propylene insulation high-temperature-resistant computer cable | |
| CN203325568U (en) | Composite communication cable with stretch resistant function | |
| CN202650700U (en) | Low-smoke halogen-free low-toxicity digital signal category-5e rodent-proof communication cable for naval vessel | |
| CN202584916U (en) | Digital cable with steel band armor | |
| CN203150301U (en) | Communication cable with waterproof and anti-interference functions | |
| CN103295673A (en) | Photoelectric composite data cable | |
| CN203444779U (en) | Photoelectric composite data cable | |
| CN105405514A (en) | Low-loss composite data cable with high shielding performance | |
| CN203150300U (en) | Hybrid communication cable with tensile and anti-interference functions | |
| CN203242415U (en) | Low-delay compound-type data cable with waterproof performance | |
| CN202887834U (en) | Soft, flame-retardant environment-friendly ship control cable | |
| CN203325538U (en) | Overhead cable with function of resisting bird pecking | |
| CN203150299U (en) | Tensile type communication cable | |
| CN203242423U (en) | Low-loss compound-type data cable with anti-interference performance | |
| CN203325566U (en) | Stretch-resistant low-loss composite data cable | |
| CN202855353U (en) | Soft portable flat network cable | |
| CN203444870U (en) | Photoelectric composite cable for power and data transmission | |
| CN203444871U (en) | Heterotype cable possessing multi functions of anti-corrosion and anti-compression | |
| CN203444783U (en) | Low loss composite data soft cable |
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: 20121128 Termination date: 20150321 |
|
| EXPY | Termination of patent right or utility model |