CN205303060U - Layer stranded type digital communication cable - Google Patents
Layer stranded type digital communication cable Download PDFInfo
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- CN205303060U CN205303060U CN201521143429.2U CN201521143429U CN205303060U CN 205303060 U CN205303060 U CN 205303060U CN 201521143429 U CN201521143429 U CN 201521143429U CN 205303060 U CN205303060 U CN 205303060U
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Abstract
The utility model discloses a layer stranded type digital communication cable, its characterized in that: this cable includes multilayer formula cable core, coating and oversheath layer that the transposition of a plurality of monomer wire pairs formed from inside to outside in proper order, each the monomer wire pair include pair twist group that two single core insulated wire pair twists formed, around the package in the outside polyester ribbon layer of pair twist group and crowded package in the external insulation layer on polyester ribbon layer, each single core insulated wire include a central inner conductor and crowded package in the the inner insulating layer on center inner conductor surface, adjoining of multilayer formula cable core is stranded for the syntropy between each layer, between the monomer wire pair and the monomer wire pair with it has the filler material to fill between the coating. The utility model provides a layer stranded type digital communication cable, product stable in structure does not just influence the electric property, guarantees high -end data transmission quality effectively.
Description
Technical field
This utility model belongs to technical field of electric wires and cables, is specifically related to a kind of layer-twisted type cable for digital communication.
Background technology
By the development of nearly 30 years, every systems technology of China's communication industry tended to ripe, and matched layer-twisted type cable for digital communication product is also subject to all the more more attention. From the user demand of communication cable product, Huawei of China, in emerging, capital letter, compatriots communication scientific & technical corporation come the prostatitis of world communication industry at present.
But, high class data communication accessory cables product and a big chunk of connection assist on Now Domestic market also rely on external import, and in other words, the development of home communications industry is severely limited because of foreign technology monopolization. And, traditional Technology is still continued to use in the manufacture of these accessory cables products and connection assist, that is: for the supporting communication cable of traditional multiple structure, it it is reverse stranding between its adjacent layer, although so can ensure that Stability Analysis of Structures, it is beneficial to cable to produce, but owing to heart yearn line is to reverse stranding, then heart yearn line between layers is to intersecting, compressing can be produced and be easily caused impression and produce, therefore in process of production, can cause central core heart yearn line that the wire jumper because of reverse stranding is deformed. If using it in the middle of data communication, the property indices of data communication can be had a strong impact on.
Under this overall background, need badly and develop all stable cable product to ensure data transmission quality of a kind of properity, to meet the demand of the high class data communication technical development of home communications industry.
Utility model content
The purpose of this utility model is to overcome prior art defect, it is provided that a kind of layer-twisted type cable for digital communication, this cable product structure and performance are all highly stable, it is possible to ensure high-end data transmission quality well.
For solving above-mentioned technical problem, the technical solution of the utility model is:
A kind of layer-twisted type cable for digital communication, it is critical only that:
This cable includes the multiple field cable core of multiple monomer line strand, clad and external sheath layer from inside to outside successively; Each described monomer line is to including the pair twist group of two single covered wire pair twists, around the polyester band layer being wrapped in outside described pair twist group with extrude in the external insulation layer of described polyester band layer, and each described single covered wire includes a central inner conductor and extrudes in the inner insulating layer on described central inner conductor surface;
Adjoining between each layer for stranded in the same direction of described multiple field cable core, described monomer line between and described monomer line to and described clad between be filled with packing material.
Further, described multiple field cable core is the stranded layer that multilayer concentric is arranged, avoiding cable crosstalk, the central core monomer line strand described at least two being positioned at described multiple field cable core center forms, other stranded layer by multiple described monomer lines to its inside stranded layer mutually stranded form.
Further, described multiple field cable core is three-decker, it is followed successively by central core, the second stranded layer and the 3rd stranded layer from inside to outside, wherein, described central core is formed by three described monomer line strands, described second stranded layer by eight described monomer lines to its inside stranded layer mutually stranded form, described 3rd stranded layer by 14 described monomer lines to its inside stranded layer mutually stranded form.
Further, it is provided with between described clad and described external sheath layer and tears rope.
Further, in described multiple field cable core, the twisting pitch multiple of each layer is 20��35 times, the excellent performance such as the structural stability of gained cable and bendability.
Further, described clad is a polyester belt clad, it is to avoid multiple field cable core structure is loose, and can reduce cable semi-finished product and add degree of crook and the number of bends in man-hour, helps to ensure that cable performance is stable.
Further, described central inner conductor is soft annealing copper conductor.
Further, described packing material is non-hygroscopic many orders number implant so that the construction of cable is stable, internally dry, stranding rounding.
Further, described inner insulating layer and described external insulation layer are made by flexible polyolefin insulant, good insulating effect.
Further, described external sheath layer is made up of low-smoke halide-free fireproof composite polyolefine material, it is ensured that the fire-retardant fireproof of cable and environment protecting.
Hinge structure, the beneficial effects of the utility model are in that:
The layer-twisted type cable for digital communication that this utility model provides, has done significant improvement to existing Cable Construction Design, it may be assumed that
First, this utility model arranges clad in the outer wrap of the multiple field cable core of stranding, cable entirety can be played the effect tightening rounding on the one hand, avoid stranding loose, ensure that the construction of cable is stable, wheat when can increase monomer line strand stranding on the other hand pulls around bag tension force, reduces cable semi-finished product and adds degree of crook and the number of bends in man-hour at heart yearn and sheath, to ensure stablizing of the electric property of cable;
Secondly, cable is designed as double-layer insulating structure by this utility model, is provided only with the design of a layer insulating relative to prior art, that further enhances the insulating properties of cable, thus being further ensured that stablizing of cable electrical performance;
The more important thing is, compared with traditional reverse stranding technology, this utility model by cable core adjoin be designed as between each layer stranded in the same direction, effectively reduce each monomer line between impression, avoid the data signal transmission that the monomer line of center internal layer affects in cable on being caused wire jumper to produce by tension set, improve the matching performance of communication cable product effectively, guarantee the raising of cable end product quality, and, this utility model in monomer line is to cabling process multistage cage can rotating in same direction, be conducive to improve production efficiency;
In addition, adjoining between each layer for stranded in the same direction based on cable core, monomer line between, monomer line to and clad between gap location be filled with packing material, can be prevented effectively from monomer line between be subjected to displacement, and the monomer line of a layer is internal to the monomer line being embedded within side layer outside avoiding, thus ensureing that the construction of cable is stable, digital data transmission to ensure cable is more stable, further, it is filled with, at each gap location, the overall rounding that implant can also ensure the cable of monomer line strand stranding gained.
In sum, the layer-twisted type cable for digital communication that this utility model provides, product structure is stable and does not affect electric property, the transmission quality of high end data can be effectively ensured, and it is prone to processing, production efficiency is high, meets the supporting 4G platform construction demand of data communication of Communication in China industry well.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of a kind of layer-twisted type cable for digital communication described in the utility model.
Fig. 2 is a kind of structure partial schematic diagram of a kind of layer-twisted type cable for digital communication described in the utility model.
In figure:
1-multiple field cable core; 11-monomer line pair; 111-single covered wire; 1111-central inner conductor; 1112-inner insulating layer; 112-polyester band layer; 113-external insulation layer; 2-clad; 3-external sheath layer; 4-tears rope; 5-packing material.
Detailed description of the invention
Elaborate a lot of detail in the following description so that fully understanding this utility model, but this utility model can other modes to be much different from this description be implemented, those skilled in the art can do similar popularization when without prejudice to this utility model intension, and therefore this utility model is not by the restriction of following public detailed description of the invention.
In order to solve problem of the prior art, this utility model provides a kind of layer-twisted type cable for digital communication, as shown in Figure 1 and Figure 2, and particularly in:
(1) this cable includes multiple monomer line from inside to outside successively to 11 stranded multiple field cable cores 1, clad 2 and external sheath layer 3; Each monomer line includes the pair twist group of two single covered wire 111 pair twists to 11, around the polyester band layer 112 being wrapped in outside pair twist group with extrude in the external insulation layer 113 of polyester band layer 112, each single covered wire 111 includes a central inner conductor 1111 and extrudes in the inner insulating layer 1112 on central inner conductor 1111 surface.
Wherein, multiple field cable core 1 is as the carrier of data signal, and it transmits demand according to signal, is formed by Technology arrangement design requirement layer-stranding stranding 11 by each monomer line; Clad 2 plays and tightens cable entirety, guarantees the rounding of cable entirety and the effect of the external diameter of reduction Integral cable; External sheath layer 3 plays the effect of integrated protection; Additionally, be set to double insulating structure can further enhance the insulating properties of cable, arrange outside pair twist group polyester band layer 112 pair twist group can be played tighten fixing, avoid loose effect.
(2) the adjoining between each layer for stranded in the same direction of multiple field cable core 1, monomer line between 11 and monomer line to being filled with packing material 5 between 11 and clad 2.
This utility model by multiple field cable core 1 adjoin be set between each layer stranded in the same direction, greatly reduce each monomer line to the impression between 11, the monomer line avoiding center internal layer is produced wire jumper to 11 by tension set, the data signal transmission performance of stable cable is played good guaranteeing role, and for this utility model, at monomer line in 11 cabling process, multistage cage can rotating in same direction, be effectively improved production efficiency. And, the monomer line harsh conditions to being subjected to displacement between 11 and the monomer line of outer layer is internal to the monomer line being embedded within side layer is caused in order to avoid stranded in the same direction, monomer line between, monomer line to and clad between gap location be filled with packing material, make each monomer line to 11 position be well fixed, so that cable overall structure is more stable, to ensure that cable has the digital data transmission performance of excellence. Further, each monomer line between, monomer line to and clad between each gap location be each filled with the rounding after implant can also ensure monomer line strand stranding.
As an embodiment, the stranded layer that multiple field cable core 1 is arranged concentrically for three layers, and symmetrical stranding, central core is positioned at the bosom of multiple field cable core 1, and central core is followed successively by the second stranded layer, the 3rd stranded layer outward.Wherein, central core stranded is formed 11 by three monomer lines, the second stranded layer by eight monomer lines to 11 with its inside stranded layer mutually stranded form, the 3rd stranded layer by 14 monomer lines to 11 with its inside stranded layer mutually stranded form. The structure being arranged concentrically can solve the problem of cable crosstalk well, to ensure stablizing of the data transmission performance of cable.
Wherein, what be provided with a high intensity between clad 2 and external sheath layer 3 tears rope 4, when being easy to follow-up wiring operations, external sheath layer is peeled off, and avoid external sheath layer to damage the clad of internal layer when decortication, ensure that product structure is stable, help to ensure that the data communication performance of cable.
Wherein, the technology requirement according to data communication, in multiple field cable core 1, the twisting pitch multiple of each layer is 20��35 times, it is ensured that cable has structural stability and the bendability of excellence, is effectively reduced deformation and fold.
Wherein, clad 2 is a high-strength polyester band clad, it is to avoid multiple field cable core 1 loosely organized, and can reduce cable semi-finished product and add degree of crook and the number of bends in man-hour, helps to ensure that stablizing of cable performance.
Wherein, central inner conductor 1111 is soft annealing copper conductor.
Wherein, packing material 5 is non-hygroscopic many orders number implant so that keep dry and cable entirety maintenance rounding in multiple field cable core.
Wherein, inner insulating layer 1112 and external insulation layer 113 are made by flexible polyolefin insulant, and the insulation effect of gained cable is splendid.
Wherein, external sheath layer 3 is made up of low-smoke halide-free fireproof composite polyolefine material, and fire-retardant fireproof and the environment protecting of gained cable are splendid.
It should be noted that, multiple field cable core 1 includes but not limited to the three-decker (3+8+14) being arranged concentrically shown in accompanying drawing 1, when unlike signal transmits demand, may be arranged as the structure of other number of plies, and/or the monomer line of each layer is to could be arranged to different quantity. Therefore, the situation of the quantity of the number of plies simply converting cable core in order to meet unlike signal transmission demand and/or the monomer line pair converting each layer, broadly fall into equivalent protection scope of the present utility model.
Known in sum, the layer-twisted type cable for digital communication that this utility model provides, product structure is stable, electric property is good, effectively ensures the transmission quality of high end data, has broken the general layout of external import monopolies, meet the supporting 4G platform construction demand of data communication of Communication in China industry well, being of value to development and the innovation of the domestic digitalization supporting cable of communication, market potential is huge, has significantly high market value in the communications industry.
This utility model is not limited to above-mentioned embodiment, if to various changes of the present utility model or modification without departing from practical range of the present utility model. All equalizations made according to this utility model application range change and improvement etc., all should belong within patent covering scope of the present utility model.
Claims (10)
1. a layer-twisted type cable for digital communication, it is characterised in that:
This cable includes multiple monomer line from inside to outside successively to (11) stranded multiple field cable core (1), clad (2) and external sheath layer (3); (11) are included the pair twist group of two single covered wire (111) pair twists by each described monomer line, around polyester band layer (112) being wrapped in outside described pair twist group with extrude in the external insulation layer (113) of described polyester band layer (112), each described single covered wire (111) includes a central inner conductor (1111) and extrudes the inner insulating layer (1112) in described central inner conductor (1111) surface;
Adjoining between each layer for stranded in the same direction of described multiple field cable core (1), described monomer line between (11) and described monomer line to being filled with packing material (5) between (11) and described clad (2).
2. layer-twisted type cable for digital communication according to claim 1, it is characterized in that: the stranded layer that described multiple field cable core (1) is arranged for multilayer concentric, the central core monomer line described at least two being positioned at described multiple field cable core (1) center forms (11) are stranded, other stranded layer by multiple described monomer lines to (11) with its inside stranded layer mutually stranded form.
3. layer-twisted type cable for digital communication according to claim 2, it is characterized in that: described multiple field cable core (1) is three-decker, it is followed successively by central core, the second stranded layer and the 3rd stranded layer from inside to outside, wherein, described central core is formed (11) are stranded by three described monomer lines, described second stranded layer by eight described monomer lines to (11) with its inside stranded layer mutually stranded form, described 3rd stranded layer by 14 described monomer lines to (11) with its inside stranded layer mutually stranded form.
4. layer-twisted type cable for digital communication according to claim 1 and 2, it is characterised in that: it is provided with between described clad (2) and described external sheath layer (3) and tears rope (4).
5. layer-twisted type cable for digital communication according to claim 1 and 2, it is characterised in that: in described multiple field cable core (1), the twisting pitch multiple of each layer is 20��35 times.
6. layer-twisted type cable for digital communication according to claim 1, it is characterised in that: described clad (2) is a polyester belt clad.
7. layer-twisted type cable for digital communication according to claim 1, it is characterised in that: described central inner conductor (1111) is soft annealing copper conductor.
8. layer-twisted type cable for digital communication according to claim 1, it is characterised in that: described packing material (5) is non-hygroscopic many orders number implant.
9. layer-twisted type cable for digital communication according to claim 1, it is characterised in that: described inner insulating layer (1112) and described external insulation layer (113) are made up of flexible polyolefin insulant.
10. layer-twisted type cable for digital communication according to claim 1, it is characterised in that: described external sheath layer (3) is made up of low-smoke halide-free fireproof composite polyolefine material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521143429.2U CN205303060U (en) | 2015-12-31 | 2015-12-31 | Layer stranded type digital communication cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521143429.2U CN205303060U (en) | 2015-12-31 | 2015-12-31 | Layer stranded type digital communication cable |
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| Publication Number | Publication Date |
|---|---|
| CN205303060U true CN205303060U (en) | 2016-06-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521143429.2U Active CN205303060U (en) | 2015-12-31 | 2015-12-31 | Layer stranded type digital communication cable |
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| Country | Link |
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| CN (1) | CN205303060U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106373652A (en) * | 2016-08-26 | 2017-02-01 | 杭州乐荣电线电器有限公司 | Cable special for signal receiving and sending connection assembly |
| CN111599539A (en) * | 2020-07-03 | 2020-08-28 | 绵阳保和泰越通信线缆有限公司 | Non-shielding twisted pair cable and preparation method thereof |
-
2015
- 2015-12-31 CN CN201521143429.2U patent/CN205303060U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106373652A (en) * | 2016-08-26 | 2017-02-01 | 杭州乐荣电线电器有限公司 | Cable special for signal receiving and sending connection assembly |
| CN111599539A (en) * | 2020-07-03 | 2020-08-28 | 绵阳保和泰越通信线缆有限公司 | Non-shielding twisted pair cable and preparation method thereof |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |