CN203930159U - A kind of ceramic fiber flame-retardant layer-stranding cable - Google Patents
A kind of ceramic fiber flame-retardant layer-stranding cable Download PDFInfo
- Publication number
- CN203930159U CN203930159U CN201420340101.9U CN201420340101U CN203930159U CN 203930159 U CN203930159 U CN 203930159U CN 201420340101 U CN201420340101 U CN 201420340101U CN 203930159 U CN203930159 U CN 203930159U
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- Prior art keywords
- retardant
- fire
- cable
- cable core
- oversheath
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- 239000003063 flame retardant Substances 0.000 title claims abstract description 56
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 title claims abstract description 32
- 239000000919 ceramic Substances 0.000 title claims abstract description 31
- 239000000835 fiber Substances 0.000 title claims abstract description 31
- 239000010445 mica Substances 0.000 claims abstract description 17
- 229910052618 mica group Inorganic materials 0.000 claims abstract description 17
- 230000002787 reinforcement Effects 0.000 claims abstract description 17
- 239000006071 cream Substances 0.000 claims abstract description 9
- 239000013307 optical fiber Substances 0.000 claims abstract description 7
- 238000005253 cladding Methods 0.000 claims abstract description 4
- 229910052755 nonmetal Inorganic materials 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 abstract description 34
- 239000000463 material Substances 0.000 abstract description 12
- 238000010276 construction Methods 0.000 abstract 1
- 230000001681 protective effect Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000002674 ointment Substances 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- HDDSHPAODJUKPD-UHFFFAOYSA-N fenbendazole Chemical compound C1=C2NC(NC(=O)OC)=NC2=CC=C1SC1=CC=CC=C1 HDDSHPAODJUKPD-UHFFFAOYSA-N 0.000 description 1
- 238000004079 fireproofing Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
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- Insulated Conductors (AREA)
Abstract
The utility model relates to a kind of ceramic fiber flame-retardant layer-stranding cable, it is characterized in that, comprise cable core and oversheath, oversheath is coated on the outside of cable core, cable core is wrapped with waterstop, described waterstop is outside equipped with fire-retardant inner sheath, fire-retardant inner sheath is outside equipped with mica tape, mica tape arranges fire-retardant oversheath outward, described cable core comprises the multiple heart yearns that are arranged on the reinforcement at cable core center and arrange around reinforcement, each described heart yearn comprises loose sleeve pipe and is arranged on the multiple optical fiber in loose sleeve pipe, described loose inside pipe casing is also filled with fine cream, at described loose sleeve pipe outer cladding ceramic fibre strip.In the utility model one-piece construction, adopt ceramic fibre strip, fire-retardant inner sheath extrudes fire-retardant oversheath after vertical bag fluorophlogopite belt outward again; In improving optical cable and optical fibres high-density capacity, by double-deck flame-retardant sheath material, the multiple measures such as ceramic fibre strip, mica tape, guarantee the fire resistance of optical cable excellence to ensure that cable core is not subject to fire threat.
Description
Technical field
The utility model belongs to optical cable field, is specifically related to a kind of ceramic fiber flame-retardant layer-stranding cable.
Background technology
The flame-retardant optical cable of main application in the market, generally by selecting excellent flame-retardant sheath material to improve the fire resistance of optical cable, but the non-flame-retardant materials such as optical cable middle sleeve, fine cream, ointment also can affect the flame retardant level of whole optical cable.After fire occurs, traditional optical cable can cause optical fiber fragility fracture because of the destruction of external environment performance or mechanical stress, thereby causes the interruption of signal transmission, has affected to a great extent the validity of safe-guard system; On the other hand, even if optical cable core inside is not subject to the destruction of extraneous flame burn, but in follow-up fray-out of flame gradually in cooling process, optical cable surfacing is because the cooling contraction of the rear temperature of burning causes at optical fiber surface adhesive stress, thereby affect distortion or the interruption of signal transmission, will certainly cause like this use of phone, closed-circuit television, automatically-controlled door, alarm bell etc. to be broken down, can greatly affect the emergency measures after fire occurs.Along with constantly popularizing of broadband network, optical cable has been widely used in the place of public place (as hospital, cinema, arenas etc.), subway, oil and other industry, and these crucial places are very harsh to flame-retarding grade.Ceramic fiber flame-retardant layer-stranding cable, guaranteeing that it prolongs on the basis of combustion instrument in not becoming fire, unaffected in the time period of the transmission of guarantee light signal after fire occurs and occurs, ensure that communication is smooth and easy.
Traditional fire-retardant cable is generally made up of cable core, moisture-proof layer, inner sheath, armor, the oversheath of central reinforce member, loose sleeve structure.Traditional optical cable, the general measure that improves burning performance is the fire resistance that strengthens protecting sleeve of optical cable.But owing to also existing the non-fire-retardant materials such as sleeve pipe, fine cream, ointment in optical cable, even if therefore adopt comparatively expensive fire proofing, also cannot ensure optical cable high-performance refractory, thereby affect the utilization of optical cable in the higher occasion of some safe classes.Along with user's continuous increase, pipeline resource has become a big factors that affects additional investment cost of operators, therefore in the situation that guaranteeing optical cable fire resistance, improve the closeness of optical fibre in optical cable, the utilization factor that increases conduit resource is also instant.
Utility model content
For overcoming the deficiency in prior art, the purpose of this utility model is to be to provide one can effectively improve optical cable flame-retardant performance, ensures that preferably cable core is not subject to the ceramic fiber flame-retardant layer-stranding cable of fire threat.
For achieving the above object, technical scheme of the present invention is as follows:
A kind of ceramic fiber flame-retardant layer-stranding cable, it is characterized in that, comprise cable core and oversheath, described oversheath is coated on the outside of cable core, described cable core is wrapped with waterstop, described waterstop is outside equipped with fire-retardant inner sheath, described fire-retardant inner sheath is outside equipped with mica tape, described mica tape arranges fire-retardant oversheath outward, described cable core comprises the multiple heart yearns that are arranged on the reinforcement at cable core center and arrange around reinforcement, each described heart yearn comprises loose sleeve pipe and is arranged on the multiple optical fiber in loose sleeve pipe, described loose inside pipe casing is also filled with fine cream, at described loose sleeve pipe outer cladding ceramic fibre strip.
Described a kind of ceramic fiber flame-retardant layer-stranding cable, wherein said reinforcement is non-metal reinforcement member.
Described a kind of ceramic fiber flame-retardant layer-stranding cable, wherein, is also filled with cable cream between multiple described loose sleeve pipes, has improved the tensile strength of optical cable.
Described a kind of ceramic fiber flame-retardant layer-stranding cable, wherein, described mica tape is fluorophlogopite belt, by armouring fluorophlogopite belt between fire-retardant inner sheath and fire-retardant oversheath, further improves the flame-retardant performance of optical cable.
Described a kind of ceramic fiber flame-retardant layer-stranding cable, wherein, described heart yearn is provided with six, and six heart yearns are arranged on around reinforcement uniformly.
Beneficial effect:
The utility model is by the loose sleeve pipe of the vertical bag of ceramic fibre strip high-performance flame-retardant material, and inner sheath extrudes fire-retardant oversheath after vertical bag fluorophlogopite belt outward again; In improving optical cable and optical fibres high-density capacity, by double-deck flame-retardant sheath material, the multiple measures such as ceramic fibre strip, mica tape, have improved the fire resistance of optical cable excellence, for the safe class in public place and inflammable area provides higher guarantee; And adopt ceramic fibre material to apply and started precedent on optical cable, also widened the thinking of improving optical cable flame-retardant performance simultaneously, this material has good thermal insulation, thermal stability and chemical stability, serviceability temperature can reach 1000 DEG C continuously, can ensure preferably that cable core is not subject to fire threat; The utility model cable core is embedded in non-metal reinforcement member, has improved well the shrinkage of cable jacket in playing drawing-resistant function.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Embodiment
Below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail; embodiment does not limit protection domain of the present utility model; in the situation that not deviating from the utility model spirit and essence thereof; those skilled in the art are when making various corresponding changes and distortion according to the utility model, but these changes and distortion all should belong to the protection domain of the appended claim of the utility model.
As shown in Figure 1; the utility model ceramic fiber flame-retardant layer-stranding cable comprises cable core, reinforcement 11 and protective seam; protective seam is coated on the outside of cable core and reinforcement 11; wherein protective seam is made up of waterstop 3, fire-retardant inner sheath 5, mica tape 6, ceramic fibre strip 4 and fire-retardant oversheath 7; the outermost layer that oversheath 7 is protective seam, inner sheath 5 and mica tape 6 are located between waterstop 3 and oversheath 7 from the inside to the outside successively.
The present embodiment, cable core is wrapped with waterstop 3, described waterstop 3 is outside equipped with fire-retardant inner sheath 5, described fire-retardant inner sheath 5 is outside equipped with mica tape 6, described mica tape 6 is outer arranges fire-retardant oversheath 7, cable core comprises the multiple heart yearns that are arranged on the reinforcement 11 at cable core center and arrange around reinforcement 11, each described heart yearn comprises loose sleeve pipe 8 and is arranged on the multiple optical fiber in loose sleeve pipe 8, each described loose sleeve pipe 8 inside are also filled with fine cream 9, at described loose sleeve pipe 8 outer cladding ceramic fibre strips 4, the ceramic fibre strip 4 being made by ceramic fibre material wraps up loose sleeve pipe 8 and armouring mica tape 6 between between fire-retardant interior oversheath, further improve the flame-retardant performance of optical cable, double-deck flame-retardant sheath material, ceramic fibre strip, the multiple measure such as mica tape, for the safe class in public place and inflammable area provides higher guarantee, ensure that preferably cable core is not subject to fire threat.
In the present embodiment, between multiple described loose sleeve pipes 8, be also filled with cable cream 10, improved the tensile strength of optical cable.Described mica tape is fluorophlogopite belt, by armouring fluorophlogopite belt between fire-retardant inner sheath and fire-retardant oversheath, further improves the flame-retardant performance of optical cable.
The utility model, by said structure, has ensured the performance of optical cable flame-retardant, has improved the flame-retarding performance rate in applied environment; Novel ceramic fibre material is applied and has been started precedent on optical cable, also widened the thinking of improving optical cable flame-retardant performance simultaneously, this material has good thermal insulation, thermal stability and chemical stability, serviceability temperature can reach 1000 DEG C continuously, can ensure preferably that cable core is not subject to fire threat.
In addition, the utility model adopts the design of full dielectric structure, has obvious lightning protection effect, utilizing existing local telephone network pole line directly to lay the accident rate of having avoided drawing thunder when indoor, for optical cable has brought facility promoting in building.
More than describe preferred embodiment of the present utility model in detail.Should be appreciated that those of ordinary skill in the art just can make many modifications and variations according to design of the present utility model without creative work.Therefore, all technician in the art comply with design of the present utility model on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment, all should be in by the determined protection domain of claims.
Claims (5)
1. a ceramic fiber flame-retardant layer-stranding cable, it is characterized in that, comprise cable core and oversheath, described oversheath is coated on the outside of cable core, described cable core is wrapped with waterstop, described waterstop is outside equipped with fire-retardant inner sheath, described fire-retardant inner sheath is outside equipped with mica tape, described mica tape arranges fire-retardant oversheath outward, described cable core comprises the multiple heart yearns that are arranged on the reinforcement at cable core center and arrange around reinforcement, each described heart yearn comprises loose sleeve pipe and is arranged on the multiple optical fiber in loose sleeve pipe, described loose inside pipe casing is also filled with fine cream, at described loose sleeve pipe outer cladding ceramic fibre strip.
2. a kind of ceramic fiber flame-retardant layer-stranding cable according to claim 1, is characterized in that, described reinforcement is non-metal reinforcement member.
3. a kind of ceramic fiber flame-retardant layer-stranding cable according to claim 1 and 2, is characterized in that, between multiple described loose sleeve pipes, is also filled with cable cream.
4. a kind of ceramic fiber flame-retardant layer-stranding cable according to claim 1 and 2, is characterized in that, described mica tape is fluorophlogopite belt.
5. a kind of ceramic fiber flame-retardant layer-stranding cable according to claim 1 and 2, is characterized in that, described heart yearn is provided with six, and six heart yearns are arranged on around reinforcement uniformly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420340101.9U CN203930159U (en) | 2014-06-24 | 2014-06-24 | A kind of ceramic fiber flame-retardant layer-stranding cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420340101.9U CN203930159U (en) | 2014-06-24 | 2014-06-24 | A kind of ceramic fiber flame-retardant layer-stranding cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203930159U true CN203930159U (en) | 2014-11-05 |
Family
ID=51825956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420340101.9U Expired - Lifetime CN203930159U (en) | 2014-06-24 | 2014-06-24 | A kind of ceramic fiber flame-retardant layer-stranding cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203930159U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105785536A (en) * | 2016-05-25 | 2016-07-20 | 长飞光纤光缆股份有限公司 | Fire retardant optical cable and manufacturing method thereof |
| CN105842800A (en) * | 2016-05-03 | 2016-08-10 | 长飞光纤光缆股份有限公司 | Rat-proof anti-termite fire-proof optical cable and manufacture method thereof |
| CN108594380A (en) * | 2018-05-31 | 2018-09-28 | 浙江汉维通信器材有限公司 | A kind of fireproof layer-stranding cable |
| WO2019109807A1 (en) * | 2017-12-07 | 2019-06-13 | 江苏亨通光电股份有限公司 | Lightweight non-metal flame-retardant fire-resistant optical cable |
| CN113568119A (en) * | 2021-07-14 | 2021-10-29 | 烽火通信科技股份有限公司 | Dry-type all-dielectric fire-resistant optical cable and manufacturing method thereof |
-
2014
- 2014-06-24 CN CN201420340101.9U patent/CN203930159U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105842800A (en) * | 2016-05-03 | 2016-08-10 | 长飞光纤光缆股份有限公司 | Rat-proof anti-termite fire-proof optical cable and manufacture method thereof |
| CN105785536A (en) * | 2016-05-25 | 2016-07-20 | 长飞光纤光缆股份有限公司 | Fire retardant optical cable and manufacturing method thereof |
| WO2019109807A1 (en) * | 2017-12-07 | 2019-06-13 | 江苏亨通光电股份有限公司 | Lightweight non-metal flame-retardant fire-resistant optical cable |
| CN108594380A (en) * | 2018-05-31 | 2018-09-28 | 浙江汉维通信器材有限公司 | A kind of fireproof layer-stranding cable |
| CN108594380B (en) * | 2018-05-31 | 2024-05-10 | 浙江汉维通信器材有限公司 | Fire-proof flame-retardant layer twisted optical cable |
| CN113568119A (en) * | 2021-07-14 | 2021-10-29 | 烽火通信科技股份有限公司 | Dry-type all-dielectric fire-resistant optical cable and manufacturing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141105 |