CN203839123U - Non-strain data transmission cable used for local area network - Google Patents
Non-strain data transmission cable used for local area network Download PDFInfo
- Publication number
- CN203839123U CN203839123U CN201420134872.2U CN201420134872U CN203839123U CN 203839123 U CN203839123 U CN 203839123U CN 201420134872 U CN201420134872 U CN 201420134872U CN 203839123 U CN203839123 U CN 203839123U
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- China
- Prior art keywords
- pitch
- heart yearn
- polyethylene
- sheath layer
- data transmission
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- Expired - Fee Related
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 24
- 239000004698 Polyethylene Substances 0.000 claims abstract description 27
- -1 polyethylene Polymers 0.000 claims abstract description 27
- 229920000573 polyethylene Polymers 0.000 claims abstract description 27
- 239000004020 conductor Substances 0.000 claims abstract description 18
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910052802 copper Inorganic materials 0.000 claims abstract description 14
- 239000010949 copper Substances 0.000 claims abstract description 14
- 229920000785 ultra high molecular weight polyethylene Polymers 0.000 claims abstract description 12
- 239000000835 fiber Substances 0.000 claims abstract description 7
- 239000011248 coating agent Substances 0.000 claims description 19
- 238000000576 coating method Methods 0.000 claims description 19
- 229920000728 polyester Polymers 0.000 claims description 7
- 230000004888 barrier function Effects 0.000 claims description 4
- 230000005674 electromagnetic induction Effects 0.000 abstract description 4
- 239000002184 metal Substances 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 abstract 1
- 230000007774 longterm Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
Abstract
The utility model discloses a non-strain data transmission cable used for a local area network. The non-strain data transmission cable includes four core wires, each being composed of a polyethylene strip arranged in the center and six copper conductors twisted on the outer surface of the polyethylene strip. A polyethylene band wraps the outer surfaces of the four core wires. A plurality of polyethylene fibers are arranged on the outer surface of the polyethylene band in parallel, so that a high-modulus polyethylene fiber layer is formed. The cable also includes an inner sheath layer wrapping the outer surface of the high-modulus polyethylene fiber layer and an outer sheath layer wrapping the outer surface of the inner sheath layer. A metal braid layer is arranged between the inner sheath layer and the outer sheath layer. A pitch of the first core wire is 15 to 15.5mm. The pitch of the second core wire is 13.5 to 13.9mm. The pitch of the third core wire is 14.2 to 14.6mm. The pitch of the fourth core wire is 12.7 to 13.1mm. According to the utility model, electromagnetic induction influence on a loop caused by electric signals in transmission is reduced, and an increase of time-delay difference value is avoided. Besides, flexibility is improved effectively and tensile strain of the cable is eliminated.
Description
Technical field
The utility model relates to dragging makes field of cables, be specifically related to a kind of for local area network (LAN) without strain data transmission cable.
Background technology
Is single core copper conductor for local area network (LAN) without its conductor of strain data transmission cable, it is the transfer wire that adopts electrician's copper cash base to make through techniques such as drawing, annealing, the production process technology of this conductor is comparatively simple, conductor hardening due to factors such as oxidation, heatings in long-term use procedure, becomes fragile.
The sheath of cable: common cable adopts one deck polyolefin jacket structure, this overcoat needs to obtain powerful electric power support and bulk information transmission in plant equipment running, need again to do with equipment and instrument the movement of quick high frequency time, traditional telecommunication cable can only provide communication, in the time of fast moving together with equipment, because the bad mechanical strength of cable is fragile, arrive every electric property thereby affect cable.
Due to the said structure limitation of cable, lack certain ability that prevents from affecting because of force-extension ability serviceability.
Summary of the invention
The utility model object be to provide a kind of for local area network (LAN) without strain data transmission cable, this can effectively raise pliability for local area network (LAN) without strain data transmission cable, also demonstrate,prove cable without elongation strain, guarantee its transmission characteristic long-term stability, and reduce transmission of electric signals and on its loop, produced electromagnetic induction impact, avoided signal of telecommunication delay inequality to increase.
For achieving the above object, the technical solution adopted in the utility model is: a kind of for local area network (LAN) without strain data transmission cable, comprise: four heart yearns, this heart yearn is made up of the polyethylene strip and stranded 6 copper conductors in polyethylene strip outer surface that are positioned at center, one insulating barrier is coated on described heart yearn outer surface, one polyester belt is wrapped in described four heart yearn outer surfaces, thereby some polyethylene fibres are wrapped in polyester belt outer surface formation high-modulus polyethylene fibres layer; One inner restrictive coating is coated on described high-modulus polyethylene fibres layer outer surface, and an external sheath layer is coated described inner restrictive coating outer surface, between described inner restrictive coating and external sheath layer, is provided with wire sheathing; Four described heart yearns are respectively the first heart yearn, the second heart yearn, the 3rd heart yearn and quad along clockwise direction;
The pitch of described the first heart yearn is 15 ~ 15.5mm, and the pitch of described the second heart yearn is 13.5 ~ 13.9mm, and the pitch of described the 3rd heart yearn is 14.2 ~ 14.6mm, and the pitch of described quad is 12.7 ~ 13.1mm.
In technique scheme, further improvement project is as follows:
1. in such scheme, described copper conductor diameter is 0.15～0.17 mm; Described polyethylene fibre diameter is 0.1～0.12 mm.
2. in such scheme, the Thickness Ratio of described inner restrictive coating and external sheath layer is 1:2 ~ 3.
Because technique scheme is used, the utility model compared with prior art has following advantages and effect:
The utility model transmits cable for local area network (LAN) without strain data, its heart yearn is made up of the polyethylene strip and stranded 6 copper conductors in polyethylene strip outer surface that are positioned at center, and the pitch of the first heart yearn is 15 ~ 15.5mm, the pitch of described the second heart yearn is 13.5 ~ 13.9mm, the pitch of described the 3rd heart yearn is 14.2 ~ 14.6mm, the pitch of described quad is 12.7 ~ 13.1mm, has reduced transmission of electric signals and on its loop, has produced electromagnetic induction impact, has avoided signal of telecommunication delay inequality to increase; Secondly, its heart yearn is made up of the polyethylene strip and stranded 6 copper conductors in polyethylene strip outer surface that are positioned at center, one inner restrictive coating is coated on described high-modulus polyethylene fibres layer outer surface, one external sheath layer is coated described inner restrictive coating outer surface, between described inner restrictive coating and external sheath layer, be provided with wire sheathing, can effectively raise pliability, also demonstrate,prove cable without elongation strain, guarantee its transmission characteristic long-term stability, and improve the transmission performance of cable, prevented the stability of cable cross-talk and signal transmission.
Brief description of the drawings
Accompanying drawing 1 for the utility model for local area network (LAN) without strain data transmission cable structure schematic diagram.
In above accompanying drawing: 1, heart yearn; 11, the first heart yearn; 12, the second heart yearn; 13, the 3rd heart yearn; 14, quad; 2, polyethylene strip; 3, copper conductor; 31, tin layer; 4, insulating barrier; 5, polyester belt; 6, high-modulus polyethylene fibres layer; 61, polyethylene fibre; 7, inner restrictive coating; 8, external sheath layer; 9, wire sheathing.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further described:
Embodiment: a kind of for local area network (LAN) without strain data transmission cable, comprise: four heart yearns 1, this heart yearn 1 is made up of the polyethylene strip 2 and stranded 6 copper conductors 3 in polyethylene strip 2 outer surfaces that are positioned at center, one insulating barrier 4 is coated on described heart yearn 1 outer surface, one polyester belt 5 is wrapped in described four heart yearn 1 outer surfaces, thereby some polyethylene fibres 61 are wrapped to be formed high-modulus polyethylene fibres layer 6, one external sheath layer 7 in polyester belt 5 outer surfaces and is coated on described high-modulus polyethylene fibres layer 6 outer surface; One inner restrictive coating 7 is coated on described high-modulus polyethylene fibres layer 6 outer surface, and coated described inner restrictive coating 7 outer surfaces of an external sheath layer 8, are provided with wire sheathing 9 between described inner restrictive coating 7 and external sheath layer 8; Four described heart yearns 1 are respectively the first heart yearn 11, the second heart yearn 12, the 3rd heart yearn 13 and quad 14 along clockwise direction;
The pitch of described the first heart yearn 11 is 15 ~ 15.5mm, and the pitch of described the second heart yearn 12 is 13.5 ~ 13.9mm, and the pitch of described the 3rd heart yearn 13 is 14.2 ~ 14.6mm, and the pitch of described quad 14 is 12.7 ~ 13.1mm.
Above-mentioned copper conductor 3 diameters are 0.15～0.17 mm, and above-mentioned polyethylene fibre 61 diameters are 0.1～0.12 mm.
The Thickness Ratio of inner restrictive coating 7 described above and external sheath layer 8 is 1:2 ~ 3.
Stranded conductor the key technical indexes: 20 DEG C time, D.C. resistance is≤93.8 Ω/km;
Conductor DC resistance (20 DEG C) :≤93.8 Ω/km;
The mutual capacitance of cable :≤56 nF/km;
The insulation resistance of cable: >=10000 M Ω km.
Adopt above-mentioned for local area network (LAN) without strain data transmission cable time, its heart yearn is made up of the polyethylene strip and stranded 6 copper conductors in polyethylene strip outer surface that are positioned at center, and the pitch of the first heart yearn is 15 ~ 15.5mm, the pitch of described the second heart yearn is 13.5 ~ 13.9mm, the pitch of described the 3rd heart yearn is 14.2 ~ 14.6mm, the pitch of described quad is 12.7 ~ 13.1mm, has reduced transmission of electric signals and on its loop, has produced electromagnetic induction impact, has avoided signal of telecommunication delay inequality to increase; Secondly, its heart yearn is made up of the polyethylene strip and stranded 6 copper conductors in polyethylene strip outer surface that are positioned at center, one inner restrictive coating is coated on described high-modulus polyethylene fibres layer outer surface, one external sheath layer is coated described inner restrictive coating outer surface, between described inner restrictive coating and external sheath layer, be provided with wire sheathing, can effectively raise pliability, also demonstrate,prove cable without elongation strain, guarantee its transmission characteristic long-term stability, and improve the transmission performance of cable, prevented the stability of cable cross-talk and signal transmission.
Above-described embodiment is only explanation technical conceive of the present utility model and feature, and its object is to allow person skilled in the art 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 (3)
- One kind for local area network (LAN) without strain data transmission cable, it is characterized in that: comprising: four heart yearns (1), this heart yearn (1) is made up of the polyethylene strip (2) and stranded 6 copper conductors (3) in polyethylene strip (2) outer surface that are positioned at center, one insulating barrier (4) is coated on described heart yearn (1) outer surface, one polyester belt (5) is wrapped in described four heart yearns (1) outer surface, some polyethylene fibres (61) wrapped in polyester belt (5) thus outer surface form high-modulus polyethylene fibres layer (6); One inner restrictive coating (7) is coated on described high-modulus polyethylene fibres layer (6) outer surface, and an external sheath layer (8) is coated described inner restrictive coating (7) outer surface, between described inner restrictive coating (7) and external sheath layer (8), is provided with wire sheathing (9); Four described heart yearns (1) are respectively the first heart yearn (11), the second heart yearn (12), the 3rd heart yearn (13) and quad (14) along clockwise direction;The pitch of described the first heart yearn (11) is 15 ~ 15.5mm, and the pitch of described the second heart yearn (12) is 13.5 ~ 13.9mm, and the pitch of described the 3rd heart yearn (13) is 14.2 ~ 14.6mm, and the pitch of described quad (14) is 12.7 ~ 13.1mm.
- According to claim 1 for local area network (LAN) without strain data transmission cable, it is characterized in that: described copper conductor (3) diameter is 0.15～0.17 mm; Described polyethylene fibre (61) diameter is 0.1～0.12 mm.
- According to claim 1 for local area network (LAN) without strain data transmission cable, it is characterized in that: the Thickness Ratio of described inner restrictive coating (7) and external sheath layer (8) is 1:2 ~ 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420134872.2U CN203839123U (en) | 2014-03-24 | 2014-03-24 | Non-strain data transmission cable used for local area network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420134872.2U CN203839123U (en) | 2014-03-24 | 2014-03-24 | Non-strain data transmission cable used for local area network |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203839123U true CN203839123U (en) | 2014-09-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420134872.2U Expired - Fee Related CN203839123U (en) | 2014-03-24 | 2014-03-24 | Non-strain data transmission cable used for local area network |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203839123U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104795150A (en) * | 2015-03-18 | 2015-07-22 | 江苏亨通线缆科技有限公司 | Low-loss type telephone wire |
| CN105632641A (en) * | 2014-10-30 | 2016-06-01 | 江苏亨通线缆科技有限公司 | Self-supporting high-speed data communication flexible cable |
| CN106057346A (en) * | 2014-10-28 | 2016-10-26 | 江苏亨通线缆科技有限公司 | High-flexibility long-distance communication flexible cable |
| CN106433089A (en) * | 2014-10-28 | 2017-02-22 | 江苏亨通线缆科技有限公司 | Weather-proof communication cable |
| CN106448837A (en) * | 2014-10-28 | 2017-02-22 | 江苏亨通线缆科技有限公司 | Flame retardant and wear resistant communication cable |
| CN107958728A (en) * | 2017-10-17 | 2018-04-24 | 安徽庆华电缆有限公司 | Intrinsic safety type polyethylene insulation pair twist pvc sheath shields flame retardant computer cable |
-
2014
- 2014-03-24 CN CN201420134872.2U patent/CN203839123U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106057346A (en) * | 2014-10-28 | 2016-10-26 | 江苏亨通线缆科技有限公司 | High-flexibility long-distance communication flexible cable |
| CN106098185A (en) * | 2014-10-28 | 2016-11-09 | 江苏亨通线缆科技有限公司 | High reliability multicore data flexible cable |
| CN106409392A (en) * | 2014-10-28 | 2017-02-15 | 江苏亨通线缆科技有限公司 | Weather-resistant long-distance four-core communication flexible cable |
| CN106433089A (en) * | 2014-10-28 | 2017-02-22 | 江苏亨通线缆科技有限公司 | Weather-proof communication cable |
| CN106448837A (en) * | 2014-10-28 | 2017-02-22 | 江苏亨通线缆科技有限公司 | Flame retardant and wear resistant communication cable |
| CN106448813A (en) * | 2014-10-28 | 2017-02-22 | 江苏亨通线缆科技有限公司 | Corrosion-resistant cable used for signal transmission |
| CN106057346B (en) * | 2014-10-28 | 2017-12-01 | 江苏亨通线缆科技有限公司 | High-flexibility telecommunication flexible cable |
| CN106409392B (en) * | 2014-10-28 | 2018-01-09 | 江苏亨通线缆科技有限公司 | The weatherability communication flexible cable of four cores over long distances |
| CN105632641A (en) * | 2014-10-30 | 2016-06-01 | 江苏亨通线缆科技有限公司 | Self-supporting high-speed data communication flexible cable |
| CN104795150A (en) * | 2015-03-18 | 2015-07-22 | 江苏亨通线缆科技有限公司 | Low-loss type telephone wire |
| CN107958728A (en) * | 2017-10-17 | 2018-04-24 | 安徽庆华电缆有限公司 | Intrinsic safety type polyethylene insulation pair twist pvc sheath shields flame retardant computer cable |
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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: 20140917 |