CN205282181U - Data communication twist pair cable - Google Patents
Data communication twist pair cable Download PDFInfo
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- CN205282181U CN205282181U CN201520564568.6U CN201520564568U CN205282181U CN 205282181 U CN205282181 U CN 205282181U CN 201520564568 U CN201520564568 U CN 201520564568U CN 205282181 U CN205282181 U CN 205282181U
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Abstract
The utility model discloses a data communication twist pair cable, its four double -deck single face aluminium foil layer difference cladding are twisted the line line and fourth line, third hank line, second hank in first hank, polyester lacing (8) cladding in four double -deck single face aluminium foil layers (7), polyester lacing (8) surface cladding has tinned copper wire braided layer (9), sheath (10) cladding in tinned copper wire braided layer (9) surface in the polyvinyl chloride, and polytetrafluoroethylene layer (11) cladding is sheath (10) surface in polyvinyl chloride, polytetrafluoroethylene layer (11) internal surface has a plurality of sand grip (12) along circumference, interior sheath (10) the surface of polyvinyl chloride is followed circumference and is had a plurality of recess (13), in sand grip (12) embedding polyvinyl chloride interior sheath (10) of these polytetrafluoroethylene layer (11) recess (13), have a plurality of polypropylene gasket for packing (14) in polytetrafluoroethylene layer (11), and polypropylene gasket for packing (14) are located sand grip (12) and locate. The utility model discloses effectively eliminate the electromagnetic induction of digital cable self, reduced to the electromagnetic interference of cable on every side effectual compliance and the anti bending property who has improved the cable.
Description
Technical field
This utility model relates to a kind of data communication cable, particularly relates to a kind of data communication paired cable.
Background technology
In the communications field, it is often necessary to twisted-pair feeder to transmitting the various signal of telecommunication, such as clock signal, relay signal, control signal etc., and use multiple twisted-pair feeder pair simultaneously, to adapt to different demands. Twisted-pair feeder generally has following features: wire diameter is more thick, is less susceptible to bending, and copper material consumption is more big, and cost is also more high, and wire diameter is more thick, and electricity function index is more good.
In use, generally by the multipair twisted-pair feeder communication cable to composition different pairs, described communication cable include successively from inside to outside to twisted-pair feeder to cable core to composition of, twisted-pair feeder outside tinned copper conductor braiding, and outermost pvc sheath. But existing product still suffers from some shortcomings, for instance flexibility and the bending resistance of cable are poor, the defects such as service life is shorter.
Summary of the invention
This utility model provides a kind of data communication paired cable, this data communication paired cable decreases the electromagnetic interference to surrounding cables, effectively raise flexibility and the bending resistance of cable, while guaranteeing the transmission performance that cable is stable, extend the life-span that cable uses.
For reaching above-mentioned purpose, the technical solution adopted in the utility model is: a kind of data communication paired cable, including: eight copper conductors, this copper conductor is all cladded with the polyethylene layer as insulating barrier; In described eight copper conductors, two copper conductor composition the first strands are to line, and two copper conductor composition the second strands are to line; Two copper conductor composition the 3rd strands are to line; Two copper conductors form the 4th strand to line, and four dual-layer, single-sided aluminium foil layers are respectively coated by and in described first strand, line and the 4th are twisted line by line, the second strand by line, the 3rd strand, and polyester belt is coated on described four dual-layer, single-sided aluminium foil layers;
Described polyester belt outer surface is coated with tincopper fuse wire braided armor, polrvinyl chloride sheath is coated on tincopper fuse wire braided armor outer surface, polytetrafluoroethylene floor is coated on polrvinyl chloride sheath outer surface, described polytetrafluoroethylene floor inner surface circumferentially has several raised lines, described polrvinyl chloride sheath outer surface circumferentially has several grooves, the raised line of this polytetrafluoroethylene floor embeds in the groove of polrvinyl chloride sheath, there is in described polytetrafluoroethylene floor some root polypropylene gasket for packings, and polypropylene gasket for packing is positioned at raised line place.
In technique scheme, further improved plan is as follows:
1. in such scheme, the raised line number of described polytetrafluoroethylene floor is 6 ~ 10, and the number of described polrvinyl chloride sheath further groove is 6 ~ 10.
2., in such scheme, the count of described tincopper fuse wire braided armor is 60 ~ 70%.
3., in such scheme, described polypropylene gasket for packing, raised line circumferentially arrange at equal intervals.
Owing to technique scheme is used, this utility model compared with prior art has the advantage that
This utility model data communication paired cable, it effectively eliminates the electromagnetic induction of digital cable self, decrease the electromagnetic interference to surrounding cables, effectively raise flexibility and the bending resistance of cable, while guaranteeing the transmission performance that cable is stable, extend the life-span that cable uses, decrease maintenance and the maintenance frequency of data communication paired cable, there is promotion prospect widely; Secondly, its polytetrafluoroethylene floor inner surface circumferentially has several raised lines, described polrvinyl chloride sheath outer surface circumferentially has several grooves, the raised line of this polytetrafluoroethylene floor embeds in the groove of polrvinyl chloride sheath, avoid the defect that connecting sewing is easily layered, improve adhesive strength, reduce the difficulty of cable working technology, improve properties of product reliability; And there is in polytetrafluoroethylene floor some root polypropylene gasket for packings, further increase the tensile property of cable.
Accompanying drawing explanation
Accompanying drawing 1 is this utility model data communication paired cable structural representation.
In the figures above: 1, copper conductor; 2, polyethylene layer; 3, the first strand is to line; 4, the second strand is to line; 5, the 3rd strand is to line; 6, the 4th strand is to line; 7, one side aluminium foil layer; 8, polyester belt; 9, tincopper fuse wire braided armor; 10, polrvinyl chloride sheath; 11, polytetrafluoroethylene floor; 12, raised line; 13, groove; 14, polypropylene gasket for packing.
Detailed description of the invention
Below in conjunction with drawings and Examples, this utility model is further described:
Embodiment 1: a kind of data communication paired cable, including: eight copper conductors 1, this copper conductor 1 is all cladded with the polyethylene layer 2 as insulating barrier; In described eight copper conductors 1, two copper conductors 1 form the first strand to line 3, and two copper conductor composition the second strands are to line 4; Two copper conductor composition the 3rd strands are to line 5; Two copper conductors form the 4th strand to line 6, and four dual-layer, single-sided aluminium foil layers 7 are respectively coated by and in described first strand, line 5 and the 4th are twisted line 6 by line the 3, second strand by line the 4, the 3rd strand, and polyester belt 8 is coated on described four dual-layer, single-sided aluminium foil layers 7;
Described polyester belt 8 outer surface is coated with tincopper fuse wire braided armor 9, polrvinyl chloride sheath 10 is coated on tincopper fuse wire braided armor 9 outer surface, polytetrafluoroethylene floor 11 is coated on polrvinyl chloride sheath 10 outer surface, described polytetrafluoroethylene floor 11 inner surface circumferentially has several raised lines 12, described polrvinyl chloride sheath 10 outer surface circumferentially has several grooves 13, the raised line 12 of this polytetrafluoroethylene floor 11 embeds in the groove 13 of polrvinyl chloride sheath 10, there is in described polytetrafluoroethylene floor 11 some root polypropylene gasket for packings 14, and polypropylene gasket for packing 14 is positioned at raised line 12 place.
Raised line 12 number of above-mentioned polytetrafluoroethylene floor 11 is 8, and the number of described polrvinyl chloride sheath 10 further groove 13 is 8.
Above-mentioned polypropylene gasket for packing 14, raised line 12 circumferentially arrange at equal intervals.
Embodiment 2: a kind of data communication paired cable, including: eight copper conductors 1, this copper conductor 1 is all cladded with the polyethylene layer 2 as insulating barrier; In described eight copper conductors 1, two copper conductors 1 form the first strand to line 3, and two copper conductor composition the second strands are to line 4; Two copper conductor composition the 3rd strands are to line 5; Two copper conductors form the 4th strand to line 6, and four dual-layer, single-sided aluminium foil layers 7 are respectively coated by and in described first strand, line 5 and the 4th are twisted line 6 by line the 3, second strand by line the 4, the 3rd strand, and polyester belt 8 is coated on described four dual-layer, single-sided aluminium foil layers 7;
Described polyester belt 8 outer surface is coated with tincopper fuse wire braided armor 9, polrvinyl chloride sheath 10 is coated on tincopper fuse wire braided armor 9 outer surface, polytetrafluoroethylene floor 11 is coated on polrvinyl chloride sheath 10 outer surface, described polytetrafluoroethylene floor 11 inner surface circumferentially has several raised lines 12, described polrvinyl chloride sheath 10 outer surface circumferentially has several grooves 13, the raised line 12 of this polytetrafluoroethylene floor 11 embeds in the groove 13 of polrvinyl chloride sheath 10, there is in described polytetrafluoroethylene floor 11 some root polypropylene gasket for packings 14, and polypropylene gasket for packing 14 is positioned at raised line 12 place.
The count of above-mentioned tincopper fuse wire braided armor 9 is 65%.
When adopting above-mentioned data communication paired cable, it effectively eliminates the electromagnetic induction of digital cable self, decrease the electromagnetic interference to surrounding cables, effectively raise flexibility and the bending resistance of cable, while guaranteeing the transmission performance that cable is stable, extend the life-span that cable uses, decrease maintenance and the maintenance frequency of data communication paired cable, there is promotion prospect widely; Secondly, its polytetrafluoroethylene floor inner surface circumferentially has several raised lines, described polrvinyl chloride sheath outer surface circumferentially has several grooves, the raised line of this polytetrafluoroethylene floor embeds in the groove of polrvinyl chloride sheath, avoid the defect that connecting sewing is easily layered, improve adhesive strength, reduce the difficulty of cable working technology, improve properties of product reliability; And there is in polytetrafluoroethylene floor some root polypropylene gasket for packings, further increase the tensile property of cable.
Above-described embodiment only for technology of the present utility model design and feature are described, its object is to allow person skilled in the art will appreciate that content of the present utility model and to implement according to this, can not limit protection domain of the present utility model with this. All equivalences made according to this utility model spirit change or modify, and all should be encompassed within protection domain of the present utility model.
Claims (4)
1. a data communication paired cable, it is characterised in that: including: eight copper conductors (1), this copper conductor (1) is all cladded with the polyethylene layer (2) as insulating barrier; In described eight copper conductors (1), two copper conductor (1) composition the first strands are to line (3), and two copper conductor composition the second strands are to line (4); Two copper conductor composition the 3rd strands are to line (5); Two copper conductor composition the 4th strands are to line (6), four dual-layer, single-sided aluminium foil layers (7) are respectively coated by twists line (6) line (5) and the 4th line (4), the 3rd strand line (3), the second strand in described first strand, and polyester belt (8) is coated on described four dual-layer, single-sided aluminium foil layers (7);
Described polyester belt (8) outer surface is coated with tincopper fuse wire braided armor (9), one polrvinyl chloride sheath (10) is coated on tincopper fuse wire braided armor (9) outer surface, polytetrafluoroethylene floor (11) is coated on polrvinyl chloride sheath (10) outer surface, described polytetrafluoroethylene floor (11) inner surface circumferentially has several raised lines (12), described polrvinyl chloride sheath (10) outer surface circumferentially has several grooves (13), the raised line (12) of this polytetrafluoroethylene floor (11) embeds in the groove (13) of polrvinyl chloride sheath (10), there is in described polytetrafluoroethylene floor (11) some root polypropylene gasket for packings (14), and polypropylene gasket for packing (14) is positioned at raised line (12) place.
2. data communication paired cable according to claim 1, it is characterised in that: raised line (12) number of described polytetrafluoroethylene floor (11) is 6 ~ 10, and the number of described polrvinyl chloride sheath (10) further groove (13) is 6 ~ 10.
3. data communication paired cable according to claim 1, it is characterised in that: the count of described tincopper fuse wire braided armor (9) is 60 ~ 70%.
4. data communication paired cable according to claim 1, it is characterised in that: described polypropylene gasket for packing (14), raised line (12) circumferentially arrange at equal intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520564568.6U CN205282181U (en) | 2015-07-30 | 2015-07-30 | Data communication twist pair cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520564568.6U CN205282181U (en) | 2015-07-30 | 2015-07-30 | Data communication twist pair cable |
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| Publication Number | Publication Date |
|---|---|
| CN205282181U true CN205282181U (en) | 2016-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520564568.6U Active CN205282181U (en) | 2015-07-30 | 2015-07-30 | Data communication twist pair cable |
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| CN (1) | CN205282181U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110181698A (en) * | 2019-04-25 | 2019-08-30 | 南京大学连云港高新技术研究院 | A kind of stabilized structure formula diamond wire and preparation method thereof |
-
2015
- 2015-07-30 CN CN201520564568.6U patent/CN205282181U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110181698A (en) * | 2019-04-25 | 2019-08-30 | 南京大学连云港高新技术研究院 | A kind of stabilized structure formula diamond wire and preparation method thereof |
| CN110181698B (en) * | 2019-04-25 | 2021-04-23 | 南京大学连云港高新技术研究院 | Stable-structure diamond wire and preparation method thereof |
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