CN201340759Y - Category six digital communication local area network cable for warship - Google Patents
Category six digital communication local area network cable for warship Download PDFInfo
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- CN201340759Y CN201340759Y CNU2008201581929U CN200820158192U CN201340759Y CN 201340759 Y CN201340759 Y CN 201340759Y CN U2008201581929 U CNU2008201581929 U CN U2008201581929U CN 200820158192 U CN200820158192 U CN 200820158192U CN 201340759 Y CN201340759 Y CN 201340759Y
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Abstract
The utility model discloses a category six digital communication local area network cable for a warship, comprising a core wire and a non-metal extrusion outer sheath coated outside the core wire. The category six digital communication local area network cable is characterized in that the core wire is four-bundle; an insulation framework is arranged between the four-bundle core wire; the outer layer of the four-bundle core wire is coated with a non-metal extrusion inner sheath; each bundle of the core wire comprises two leads with insulation layers; and a metal shielding mesh is woven between the non-metal extrusion outer sheath and the non-metal extrusion inner sheath. The category six digital communication local area network cable has the advantages of good mechanical strength, strong electromagnetic shielding capacity, small communication digital attenuation rate, stable transmission speed without releasing toxic gas and dense smoke while burning and the like.
Description
Technical field:
The utility model relates to the LAN cable that a kind of network service is used, in particular a kind of naval vessel digital communication local area network cable.
Background technology:
On the naval vessel, cable spreads all over the naval vessel whole body just as people's blood vessel and nerve, is undertaking power supply, signal controlling and liaison, guarantees the normal operation on naval vessel.Raising along with modernized naval vessel automaticity, variety of network systems is used more and more on the naval vessel, needed local area network (LAN) quantity and requirement are more and more higher, and the naval vessel often is in a complex electromagnetic environments, need to use six class digital communication local area network cables, because its digital data transmission decay of general telecommunication cable is big, transmission quality is unstable, generally is not suitable for the naval vessel and uses.
At present, the common polythene insulation PVC sheath cable of general employing in the known Ship System, the durability of sign lettering is very poor on this series products, can not stand frequent friction test; And the insulation of this class cable product is poor with the concentricity of sheath, and cable is rounding not very, and external diameter is bigger than normal, and weight is big, mechanical strength is low, and problem such as the decay of telecommunication cable digital signal is big, transmission quality is unstable, anti-electromagnetic interference capability is weak.The pvc sheath burning time can discharge the toxic gas of a large amount of Halogens, in case breaking out of fire, this class cable of burning can a large amount of toxic gases of release place and dense smoke, has not only influenced normally carrying out of disaster relief work, and directly threatened personal safety.Though the LAN cable of using on some naval vessel has solved the general problem that the decay of telecommunication cable digital signal is big, transmission quality is unstable, anti-electromagnetic interference capability is weak, its mechanical strength is relatively poor, does not reach the requirement on naval vessel.The disclosed marine light control of China Granted publication CN2639999Y, telecommunication cable, though solved the fire-retardant problem of existing cable, but do not solve the relatively poor problem of its mechanical strength.
The utility model content:
Technical problem to be solved in the utility model be to provide a kind of and can improve temperature resistant grade, increase ampacity, anti-flammability is strong, low smoke and zero halogen, shield effectiveness and the good category 6 digital communication local area network cable for naval vessel of mechanical strength, to solve existing naval vessel with the existing many weak points of LAN cable.
Technical problem to be solved in the utility model can realize by following technical solution:
According to above-mentioned category 6 digital communication local area network cable for naval vessel, wherein, also be enclosed with the vertical bag of aluminium foil of band and the outer one deck of band between above-mentioned four bundle heart yearns and the nonmetal extruding inner sheath.
According to above-mentioned category 6 digital communication local area network cable for naval vessel, wherein, it is the different colours lead that in above-mentioned every bundle heart yearn two have the insulating barrier lead.
According to above-mentioned category 6 digital communication local area network cable for naval vessel, wherein, it is twisted together mutually that in above-mentioned every bundle heart yearn two have between the insulating barrier lead, and in every bundle heart yearn two have between the insulating barrier lead pitch differences of twisting mutually.
According to above-mentioned category 6 digital communication local area network cable for naval vessel, wherein, it is a copper conductor that in described every bundle heart yearn two have its lead inside of insulating barrier lead, and this copper conductor diameter is 0.57mm.
In above-mentioned category 6 digital communication local area network cable for naval vessel, for increasing security performance and mechanical strength, wherein, also be provided with in the vertical bag of above-mentioned band and aluminium foil and put the ground connection copper wire always, this diameter of directly putting the ground connection copper wire is 0.3～0.8mm.
In above-mentioned category 6 digital communication local area network cable for naval vessel, in order to increase shield effectiveness, count 〉=88% when above-mentioned metallic shield net weaves.
According to above-mentioned category 6 digital communication local area network cable for naval vessel, wherein, in the middle of described four bundle heart yearns, be provided with insulation framework, four bundle heart yearns are isolated mutually, reduce the cross-talk between bundle and the bundle heart yearn, and strengthened vertical resistance to tension of cable mutually.
The utility model is compared with background technology and is had the following advantages:
1, the utility model is by behind the vertical bag of heart yearn outside parcel one deck aluminium foil, by nonmetal extruding inner sheath, increase one deck braided metal gauze screen then, play the double shield effect jointly with the vertical bag of aluminium foil, cable shield density has reached 100%, strengthened the electromagnetic shielding ability, made the decay of communication numeral little, transmission speed is stable.
2, adopted be provided with tension in the band directly put ground connection copper wire and outer layer metal gauze screen, improved cable and born certain longitudinal pulling force and mechanical shock, when cable laying, generally can not break.
3, adopted have the low-smoke non-halogen flame-retardant protection against rodents, the anti-polyolefinic nonmetal extruding oversheath of ant and inner sheath, improved the fire resistance of cable, guaranteed the heat resistance of cable, make cable have protection against rodents, anti-ant property, reduced the be fuming amount of cable when burning, improve the environmental-protecting performance of cable, therefore, had temperature resistant grade height, ampacity is big, anti-flammability is strong, security performance is high advantage.
Description of drawings:
Further specify the utility model below in conjunction with the drawings and specific embodiments.
Fig. 1 is the structural representation of the utility model category 6 digital communication local area network cable for naval vessel.
Fig. 2 is a heart yearn inner lead structural representation in the utility model.
Embodiment:
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
With reference to figure 1, Fig. 2, category 6 digital communication local area network cable for naval vessel comprises heart yearn 7 and is wrapped in heart yearn 7 nonmetal extruding oversheath 1 outward; Heart yearn 7 in the nonmetal extruding oversheath 1 of low smoke halogen-free flame-retardant polyolefin is set to four bundles, every bundle heart yearn 7 comprises the lead of the different colours insulating barrier of two mutual twistings, in the present embodiment, that the leads of the every bundle heart yearn different colours insulating barrier of four bundles in the heart yearns are respectively is blue/white, green/white, palm fibre/white, orange/white, wherein, the mutual lay length of twist minimum of indigo plant/white two leads, green/white, brown/white, orange/white mutual lay length of twist increases gradually, and the stranded stranding of twisting heart yearn of the different lay length of twists of four bundles.Be the copper conductor 72 that a diameter is 0.57mm in lead, this copper conductor 72 can change in 0.3mm～0.8mm scope, also can enlarge its scope as required; At copper conductor 72 coated outside polyethylene layers 71.In the middle of four bundle heart yearns, place insulation framework 8, four bundle heart yearns are isolated mutually, reduced the cross-talk between bundle and the bundle heart yearn, and strengthened vertical resistance to tension of cable mutually.Skin at four bundle heart yearns 7 is enclosed with the transparent band 6 of Halogen, and band 6 is wrapped with the vertical bag 4 of the aluminium foil with shield effectiveness, is molded over the vertical 4 outer nonmetal extruding inner sheaths 3 of low smoke halogen-free flame-retardant polyolefin that wrap of aluminium foil; What also be provided with diameter and be 0.5mm between vertical bag 4 of aluminium foil and band 6 directly puts ground connection copper wire 5, and according to the needs of cable, this is directly put ground connection copper wire 5 and can change in 0.3～0.8mm scope, is used for increasing the security performance and the longitudinal pulling force intensity of cable.
Main feature of the present utility model is: one deck is enclosed with the metallic shield net 2 of tinned copper wire braiding outside the nonmetal extruding inner sheath 3 of low smoke halogen-free flame-retardant polyolefin, this metallic shield net 2 adopts the high-speed knitter braiding to form, unidirectional coverage rate 〉=65.5% during braiding, i.e. count 〉=88%.
The utility model also is enclosed with the nonmetal extruding oversheath 1 of low smoke halogen-free flame-retardant polyolefin outside metallic shield net 2, bilayer effect by nonmetal extruding oversheath 1 of low smoke halogen-free flame-retardant polyolefin and the nonmetal extruding inner sheath 3 of low smoke halogen-free flame-retardant polyolefin has increased the heatproof of cable, fire-resistant, fire-retardant performance.
In addition, the utility model has adopted the metallic shield net 2 of outer field tinned copper wire braiding and the effect of the vertical bag 4 formation double shield of internal layer aluminium foil, has strengthened the electromagnetic shielding ability, makes the decay of communication numeral little, and transmission speed is stable.In addition, the utility model has adopted the low smoke and zero halogen material to make fully, can not discharge toxic gas and dense smoke during burning, inside is provided with and directly puts the ground connection copper wire, increased security performance and mechanical strength, added the resistance to tension of metallic shield net, generally can not broken.
More than show and described basic principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that describes in the foregoing description and the specification just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (9)
1, category 6 digital communication local area network cable for naval vessel comprises heart yearn and is wrapped in the outer nonmetal extruding oversheath of heart yearn; It is characterized in that described heart yearn is four bundles, the skin of four bundle heart yearns is enclosed with nonmetal extruding inner sheath; Every bundle heart yearn comprises two leads that have insulating barrier, is woven with the metallic shield net between nonmetal extruding oversheath and nonmetal extruding inner sheath.
2, category 6 digital communication local area network cable for naval vessel according to claim 1 is characterized in that, also is enclosed with the vertical bag of aluminium foil of band and the outer one deck of band between described four bundle heart yearns and the nonmetal extruding inner sheath.
3, category 6 digital communication local area network cable for naval vessel according to claim 1 is characterized in that, it is the different colours lead that in described every bundle heart yearn two have the insulating barrier lead.
4, according to claim 1 or 3 described category 6 digital communication local area network cable for naval vessel, it is characterized in that, it is twisted together mutually that in described every bundle heart yearn two have the insulating barrier lead, two pitch differences that have the mutual twisting of insulating barrier lead in described every bundle heart yearn.
5, category 6 digital communication local area network cable for naval vessel according to claim 4 is characterized in that, the stranded stranding of twisting heart yearn of the different lay length of twists of described four bundles.
6, category 6 digital communication local area network cable for naval vessel according to claim 2 is characterized in that, also is provided with in the vertical bag of described band and aluminium foil and puts the ground connection copper wire always, and this diameter of directly putting the ground connection copper wire is 0.3～0.8mm.
7, category 6 digital communication local area network cable for naval vessel according to claim 3 is characterized in that, it is a copper conductor that in described every bundle heart yearn two have its lead inside of insulating barrier lead, and this copper conductor diameter is 0.57mm.
8, category 6 digital communication local area network cable for naval vessel according to claim 1 is characterized in that, count 〉=88% when described metallic shield net weaves.
9, category 6 digital communication local area network cable for naval vessel according to claim 1 is characterized in that, is provided with insulation framework in the middle of described four bundle heart yearns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201581929U CN201340759Y (en) | 2008-12-30 | 2008-12-30 | Category six digital communication local area network cable for warship |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201581929U CN201340759Y (en) | 2008-12-30 | 2008-12-30 | Category six digital communication local area network cable for warship |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201340759Y true CN201340759Y (en) | 2009-11-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201581929U Expired - Fee Related CN201340759Y (en) | 2008-12-30 | 2008-12-30 | Category six digital communication local area network cable for warship |
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| Country | Link |
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| CN (1) | CN201340759Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102646479A (en) * | 2012-04-26 | 2012-08-22 | 浙江一舟电子科技股份有限公司 | Twisted wire and cable |
| CN102831968A (en) * | 2012-09-27 | 2012-12-19 | 无锡市恒汇电缆有限公司 | Ratproof termite-proof fireproof multifunctional rubber jacket branch cable and manufacturing method thereof |
| CN104900317A (en) * | 2015-06-08 | 2015-09-09 | 安徽宜德电子有限公司 | Dual-sheath fire-proof digital communication symmetric cable |
| CN105931703A (en) * | 2016-06-27 | 2016-09-07 | 苏州市宏业灯具设备有限公司 | Data cable capable of being fixed at multiple points |
| CN105931735A (en) * | 2016-06-24 | 2016-09-07 | 安徽宜德电子有限公司 | Special polyolefin insulating sheath flame resistant cable |
| CN105931739A (en) * | 2016-06-27 | 2016-09-07 | 苏州市宏业灯具设备有限公司 | Data cable |
| CN105976934A (en) * | 2016-06-27 | 2016-09-28 | 苏州市宏业灯具设备有限公司 | Data cable with multi-point fixing structure |
| CN106935328A (en) * | 2015-12-29 | 2017-07-07 | 山东华能线缆有限公司 | Environment protection, rat bites naval vessel low loss RF integrated coaxial cable |
-
2008
- 2008-12-30 CN CNU2008201581929U patent/CN201340759Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102646479A (en) * | 2012-04-26 | 2012-08-22 | 浙江一舟电子科技股份有限公司 | Twisted wire and cable |
| CN102831968A (en) * | 2012-09-27 | 2012-12-19 | 无锡市恒汇电缆有限公司 | Ratproof termite-proof fireproof multifunctional rubber jacket branch cable and manufacturing method thereof |
| CN104900317A (en) * | 2015-06-08 | 2015-09-09 | 安徽宜德电子有限公司 | Dual-sheath fire-proof digital communication symmetric cable |
| CN106935328A (en) * | 2015-12-29 | 2017-07-07 | 山东华能线缆有限公司 | Environment protection, rat bites naval vessel low loss RF integrated coaxial cable |
| CN105931735A (en) * | 2016-06-24 | 2016-09-07 | 安徽宜德电子有限公司 | Special polyolefin insulating sheath flame resistant cable |
| CN105931703A (en) * | 2016-06-27 | 2016-09-07 | 苏州市宏业灯具设备有限公司 | Data cable capable of being fixed at multiple points |
| CN105931739A (en) * | 2016-06-27 | 2016-09-07 | 苏州市宏业灯具设备有限公司 | Data cable |
| CN105976934A (en) * | 2016-06-27 | 2016-09-28 | 苏州市宏业灯具设备有限公司 | Data cable with multi-point fixing structure |
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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: 20091104 Termination date: 20151230 |
|
| EXPY | Termination of patent right or utility model |