CN201359879Y - Marine fire-resistant communication cable - Google Patents
Marine fire-resistant communication cable Download PDFInfo
- Publication number
- CN201359879Y CN201359879Y CNU2008201581897U CN200820158189U CN201359879Y CN 201359879 Y CN201359879 Y CN 201359879Y CN U2008201581897 U CNU2008201581897 U CN U2008201581897U CN 200820158189 U CN200820158189 U CN 200820158189U CN 201359879 Y CN201359879 Y CN 201359879Y
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- fire
- heart yearn
- resistant
- naval vessel
- telecommunication cable
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Abstract
The utility model discloses a marine fire-resistant communication cable, comprising core wires and a nonmetal extruding sheath wrapped on the outermost layer of the core wires, wherein the core wire is in four beams, and the outer layer of the four beams of core wire is wrapped with a flame retardant fire-resistant mica tape; each beam of core wire comprises two leads with a conductor, the flame retardant fire-resistant mica tape and an insulating layer; and the outside of each beam of core wire is wrapped with a metal screen. Since the outside of each beam of core wire is additionally wrapped with the metal screen with an internal and an external layers and the knitting tightness of 88 percent, the marine fire-resistant communication cable not only has the double-screening function, enhances the mechanical strength and the longitudinal tensile resistance of the cable, and can not be snapped when laying, but also adopts low smoke zero halogen flame retardant fire-resistant material, thereby having the advantages of high fire resistance rating, strong fire resistance and the like, so the marine fire-resistant communication cable can meet the requirement of ships.
Description
Technical field:
The utility model relates to a kind of cable, the fire-resistant telecommunication cable in particular a kind of naval vessel.
Background technology:
Along with the raising of modernized naval vessel automaticity, it is more and more that variety of network systems is used on the naval vessel, and 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.Because the naval vessel often is in a complex electromagnetic environments, general telecommunication cable is because its digitized signal transmission attenuation is big, transmission quality is unstable, and fire resistance rating is low, and general incompatibility naval vessel uses.
At present, the second on oil platform and naval vessel, the used third insulation shipboard cable, this cable temperature resistant grade is low, ampacity is little, not low temperature resistant humidity, poor fire, can discharge a large amount of toxic gases and dense smoke during burning, the harm health of people; Though and have now in the LAN cable that substitutes on the naval vessel without armouring solved that the decay of general telecommunication cable digital signal is big, transmission quality is unstable, the problem a little less than the anti-electromagnetic interference capability, but mechanical strength and tension intensity are all poor, do not reach the naval vessel requirement.
The utility model content:
The utility model purpose provides a kind of and has that temperature resistant grade height, the corresponding increase of ampacity, anti-flammability are strong, low smoke and zero halogen, the fire-resistant telecommunication cable of shield effectiveness and the good naval vessel of mechanical strength, to solve the existing many weak points of existing naval vessel usefulness telecommunication cable.
To achieve these goals, technical problem of the present utility model can be achieved through the following technical solutions:
The fire-resistant telecommunication cable in naval vessel comprises heart yearn and is wrapped in the outermost nonmetal extruding sheath of heart yearn, is characterized in, described heart yearn is 2～48 bundles, and outer one deck of described heart yearn also is enclosed with the flame-retardant mica tape; Every bundle heart yearn comprises two leads that have insulating barrier, is enclosed with the metallic shield net in the outside of every bundle heart yearn.
According to the fire-resistant telecommunication cable in described naval vessel, wherein, further described heart yearn is 4 bundles.
According to the fire-resistant telecommunication cable in described naval vessel, wherein, between nonmetal extruding sheath of skin and internal layer flame-retardant mica tape, be provided with the metallic shield net.
According to the fire-resistant telecommunication cable in described naval vessel, wherein, the low smoke and zero halogen that is provided with tension in the gap between the heart yearn in the fire-retardant mica tape of internal layer is strengthened tow.
According to the fire-resistant telecommunication cable in described 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 the fire-resistant telecommunication cable in described naval vessel, wherein, it is stranded zinc-plated soft copper silk that in above-mentioned every bundle heart yearn two have its lead inner conductor of insulating barrier lead, and the diameter of stranded soft copper silk is 0.1～0.5mm, and stranded soft copper thread number is 6～20 strands.
According to the fire-resistant telecommunication cable in described naval vessel, wherein, also be surrounded with the flame-retardant mica tape between described conductor and every wire insulation.
According to the fire-resistant telecommunication cable in described naval vessel, wherein, count 〉=88% when above-mentioned metallic shield net weaves.
The utility model is compared with background technology and is had the following advantages:
1, the count of one deck is 88% metallic shield net and is enclosed with the metallic shield net with the outside of every bundle heart yearn and plays the double shield effect jointly in the nonmetal extruding sheath of skin, cable shield density has reached 100%, strengthened the electromagnetic shielding ability, make the decay of communication numeral little, transmission speed is stable.
2, adopted have the low-smoke non-halogen flame-retardant protection against rodents, the anti-nonmetal extruding sheath of the polyolefinic skin of ant and internal layer flame-retardant mica tape parcel, improved the fire resistance of cable, guaranteed the environmental resistance of cable, made cable have protection against rodents, anti-ant property.Therefore, have temperature resistant grade height, the corresponding increase of ampacity, advantage that anti-flammability is strong.
3, adopted the low smoke and zero halogen that tension is arranged to strengthen tow as the filler in the cable, longitudinal pulling force and mechanical shock that cable bears have been improved, when cable laying, generally can not break, reduce the be fuming amount of cable when burning, improve the environmental-protecting performance of cable.
Description of drawings:
Is that example and embodiment further specify the utility model below in conjunction with accompanying drawing with four bundle heart yearns.
Fig. 1 is a sectional structure chart of the present 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, the fire-resistant telecommunication cable in naval vessel comprises heart yearn 7 and is wrapped in heart yearn 7 outermost outdoor non-metal extruding sheaths 1; This heart yearn 7 can be 2～48 bundles, and in the present embodiment, heart yearn 7 is four bundles, and every bundle heart yearn 7 is made up of two Huangs, white two kinds of color leads 9, also can form for the lead 9 of other color; This lead 9 is made up of flame-retardant mica tape 3 and conductor 10 with good crosslinked polyetylene insulated layer 8 parcel of insulating properties temperature tolerance, and this crosslinked polyetylene insulated layer 8 has increased the fire resistance of heart yearn 7; In lead 9 conductor inside 10 is that 6～20 strands of zinc-plated stranded soft copper silks are formed, and the diameter of stranded soft copper silk is 0.1～0.5mm.
Outer one deck at every bundle heart yearn 7 is woven with tinned copper wire metallic shield net 6, has strengthened the electromagnetic shielding ability of cable; Outer one deck of four bundle heart yearns 7 is enclosed with has flame-retardant mica tape 4, the low smoke and zero halogen that is filled with tension in flame-retardant mica tape 4 and four gaps 5 that constitute each other of bundle heart yearns 7 is strengthened the tow filler, and this low smoke and zero halogen reinforcement tow has increased the mechanicalness intensity and the longitudinal pulling force intensity of cable as the filler of cable.Outside four bundle heart yearns 7, also be enclosed with oxygen barrier layer flame-retardant mica tape 4, be used for increasing fire-retardant, the fire-resistant performance of cable.Outside flame-retardant mica tape 4, be woven with tinned copper wire metallic shield net 2, this metallic shield net 2 and metallic shield net 6 not only increase the mechanicalness intensity and the longitudinal pulling force intensity of cable, and formation double shield effect, strengthen the electromagnetic shielding ability of cable more, make the decay of communication numeral little, transmission speed is stable.Outdoor non-metal extruding sheath 1 at metallic shield net 2 outer wrapping low smoke halogen-free flame-retardant polyolefins, thereby constituted the structure of whole cable, the anti-fire action of bilayer that this outdoor non-metal extruding sheath 1 and flame-retardant mica tape 4 are formed has increased the heatproof of cable, fire-resistant, fire-retardant performance.
The utility model naval vessel is to have increased tinned copper wire metallic shield net 2 and tinned copper wire metallic shield net 6 in cable with the main feature of fire-resistant telecommunication cable, it has adopted the high-speed knitter braiding to form, unidirectional coverage rate 〉=65.5% during braiding, it is count 〉=88%, double-deck screening ability makes shield effectiveness reach 100%.
The utility model has adopted halogen-free low-smoke flame retardant material to make fully, can not produce a large amount of flue gases and toxic gas during burning, reduced the pollution of air, reduced the injury that is used in when accident occurring on the naval vessel personnel more, satisfied the requirement of oil resistant low temperature resistant humidity, advantages such as and communication numeral decay is little, and transmission speed is stable, the corresponding increase of ampacity, anti-flammability are strong.
In addition, the utility model wraps up flame-retardant mica tape 3 and restraints heart yearns 7 outer wrapping flame-retardant mica tapes 4 four between heart yearn inner wire 10 and core insulation layer 8, increased the fire resistant flame retardant performance of cable, cable is stood under 50 ℃ of burning conditions of 750 soil, and can be 90 minutes inner cable energy continuous firings, improved liaison and disaster relief rescue ability, reduced the loss.
The utility model is bitten broken in order to prevent mouse, can also weave one deck tinned copper wire armour again outside low-smoke non-halogen flame-retardant cross-linked polyolefin outdoor non-metal extruding sheath 1, can also prevent the generation of phenomenons such as crust weares and teares, scratches.
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, the fire-resistant telecommunication cable in naval vessel comprises heart yearn and is wrapped in the outermost nonmetal extruding oversheath of heart yearn, it is characterized in that,
Described heart yearn is 2～48 bundles, also is enclosed with the flame-retardant mica tape at outer one deck of heart yearn;
Every bundle heart yearn comprises two leads that have insulating barrier, is enclosed with the metallic shield net in the outside of every bundle heart yearn.
2, the fire-resistant telecommunication cable in naval vessel according to claim 1 is characterized in that, further described heart yearn is 4 bundles.
3, the fire-resistant telecommunication cable in naval vessel according to claim 1 and 2 is characterized in that, is provided with the metallic shield net between described flame-retardant mica tape and nonmetal extruding oversheath.
4, the fire-resistant telecommunication cable in naval vessel according to claim 1 and 2 is characterized in that, the low smoke and zero halogen that is provided with tension in the gap between the heart yearn in the flame-retardant mica tape is strengthened tow.
5, the fire-resistant telecommunication cable in naval vessel according to claim 1 and 2 is characterized in that, it is the different colours lead that in described every bundle heart yearn two have the insulating barrier lead.
6, the fire-resistant telecommunication cable in naval vessel according to claim 5, it is characterized in that, it is zinc-plated stranded soft copper silk that in described every bundle heart yearn two have its lead inner conductor of insulating barrier lead, and the diameter of stranded soft copper silk is 0.1～0.5mm, and stranded soft copper thread number is 6～20 strands.
7, the fire-resistant telecommunication cable in naval vessel according to claim 1 and 2 is characterized in that, count 〉=88% when described metallic shield net weaves.
8, the fire-resistant telecommunication cable in naval vessel according to claim 3 is characterized in that, count 〉=88% when described metallic shield net weaves.
9, the fire-resistant telecommunication cable in naval vessel according to claim 6 is characterized in that, also is surrounded with the flame-retardant mica tape between described conductor and every wire insulation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201581897U CN201359879Y (en) | 2008-12-30 | 2008-12-30 | Marine fire-resistant communication cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201581897U CN201359879Y (en) | 2008-12-30 | 2008-12-30 | Marine fire-resistant communication cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201359879Y true CN201359879Y (en) | 2009-12-09 |
Family
ID=41425644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201581897U Expired - Fee Related CN201359879Y (en) | 2008-12-30 | 2008-12-30 | Marine fire-resistant communication cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201359879Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103886989A (en) * | 2014-02-28 | 2014-06-25 | 安徽凯博尔特种电缆集团有限公司 | Fireproof cable for ship |
| CN106653204A (en) * | 2016-12-26 | 2017-05-10 | 张家港特恩驰电缆有限公司 | Flame retardant cable |
| CN107154290A (en) * | 2017-03-31 | 2017-09-12 | 湖州辰丰线缆有限公司 | One kind online private network cable |
| CN109346239A (en) * | 2018-10-08 | 2019-02-15 | 百通赫思曼工业（苏州）有限公司 | A kind of high soft superfine CANBUS communication cable of fire resisting and its production and processing method |
-
2008
- 2008-12-30 CN CNU2008201581897U patent/CN201359879Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103886989A (en) * | 2014-02-28 | 2014-06-25 | 安徽凯博尔特种电缆集团有限公司 | Fireproof cable for ship |
| CN106653204A (en) * | 2016-12-26 | 2017-05-10 | 张家港特恩驰电缆有限公司 | Flame retardant cable |
| CN107154290A (en) * | 2017-03-31 | 2017-09-12 | 湖州辰丰线缆有限公司 | One kind online private network cable |
| CN109346239A (en) * | 2018-10-08 | 2019-02-15 | 百通赫思曼工业（苏州）有限公司 | A kind of high soft superfine CANBUS communication cable of fire resisting and its production and processing method |
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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: 20091209 Termination date: 20151230 |
|
| EXPY | Termination of patent right or utility model |