CN105931741A - Heat-insulation mica insulation metal protection fireproof cable - Google Patents
Heat-insulation mica insulation metal protection fireproof cable Download PDFInfo
- Publication number
- CN105931741A CN105931741A CN201610267607.5A CN201610267607A CN105931741A CN 105931741 A CN105931741 A CN 105931741A CN 201610267607 A CN201610267607 A CN 201610267607A CN 105931741 A CN105931741 A CN 105931741A
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- CN
- China
- Prior art keywords
- cable
- fire
- sheath
- insulation
- copper
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/04—Flexible cables, conductors, or cords, e.g. trailing cables
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/22—Metal wires or tapes, e.g. made of steel
- H01B7/221—Longitudinally placed metal wires or tapes
- H01B7/225—Longitudinally placed metal wires or tapes forming part of an outer sheath
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
- H01B7/292—Protection against damage caused by extremes of temperature or by flame using material resistant to heat
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
- H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
- H01B9/006—Constructional features relating to the conductors
Landscapes
- Insulated Conductors (AREA)
Abstract
The invention provides a heat-insulation mica insulation metal protection fireproof cable, and belongs to the technical field of a power cable. The fireproof cable comprises a cable core and a sheath. The fireproof cable is characterized in that the cable core is formed by a plurality of fireproof insulated wire cores; the cable core is externally provided with a metal protection layer, a copper sheath and an interlocking S-shaped crossed armor layer in sequence; the sheath is formed by a low-smoke zero-halogen polyolefin inner sheath and a low-smoke zero-halogen polyethylene outer sheath, and is arranged outside the armor layer; a fireproof isolating layer is arranged between the metal protection layer and the copper sheath; and each fireproof insulated wire core is formed by stranded copper conductors, a mica insulating layer and a ceramic fireproof composite belt. The cable has the advantages of special material, simple structure and advanced technology and the like; and the cable is long in length and continuous, and meanwhile, has excellent electrical performance and mechanical performance. The cable has better flexibility, so that the cable is convenient for construction and installation, and meanwhile, the service life of the cable is prolonged; and the effect of protecting the cable for a long term is realized, and the service life of the cable in the fire site is prolonged.
Description
Technical field
The present invention relates to a kind of High-flame-retardancfireproof fireproof cable, specifically a kind of heat insulation type mica insulation metal coating fire-resisting cable, belong to power cable technical field.
Background technology
There is the cable of fire protecting performance in the market and be broadly divided into three classes:
One is that glass fiber strap built up mica sheet is wrapped in copper cash outer surface as fireprotection layer, this cable fire-proof poor performance, the fire prevention temperature of product and fire resistance period cannot arrive the design specification of modern high-rise building, and the glass fiber of outer layer fire protecting performance when high temperature is poor simultaneously；
The second is to use mineral powders as the rigid fireproof cable of insulating barrier, and this cable outer layer is copper pipe, lays rigid fireproof cable, complex process, and production difficulty is big, produces and use cost is higher, and bending property is poor, installs and constructs relatively difficult；
Last one is silicon rubber insulated cable, and silicone rubber fireproof temperature is low, and therefore fire protecting performance is poor, and breaking out of fire can discharge toxic gas.
So that research and develop, a kind of field installation process is simple, the High-flame-retardancfireproof fireproof cable of cable length length.
Summary of the invention
In order to overcome drawbacks described above, it is an object of the invention to provide a kind of heat insulation type mica insulation metal coating fire-resisting cable so that it is the fire resistance rating requirement that BS6387 specifies can be reached, GB/T 18380 A class flame-retardancy requirements can be met again；Meanwhile, simple in construction, laying performance are good, can use in scene of fire, improve the reliability of cable.
It is an object of the invention to be achieved through the following technical solutions: heat insulation type mica insulation metal coating fire-resisting cable; including cable core and sheath; it is characterized in that; described cable core is that outer surface arranged tangential forms by many fire-proof insulation cores; described cable core is externally provided with coat of metal; coat of metal is outside equipped with copper sheath, and copper sheath is externally provided with interlocking S type and hands over button armor；Described sheath is constituted by low-smoke halogen-free polyolefin inner sheath, low smoke and zero halogen outer protective polyethylene set, and is arranged on outside armor；It is provided with fire lagging between described coat of metal and copper sheath；Described fire-proof insulation core is made up of around the ceramic fire prevention composite band wrapped in outside mica insulation layer around the mica insulation layer wrapped in outside twisted copper conductors, repetition densification twisted copper conductors, smooth densification.
It is coated with tin layers outside described copper conductor.
It is provided with implant between described fire-proof insulation core.
Described implant is inorganic high fire-retardance glass fiber rope.
Described interlocking S type hands over button armor to be screw-like.
Described coat of metal is extruded continuously by metal material and forms.
Described copper sheath is indulged bag embossing sealing argon arc welding by copper strips and is formed.
Described fire lagging is repeated wrapped forming by silicone rubber belt outside coat of metal.
Described mica insulation layer is made up of high temperature resistant three-in-one fluorophlogopite belt.
In the present invention, mica insulation layer is made up of high temperature resistant three-in-one fluorophologopite, and metal sheath layer is aluminium alloy or other metal materials.Heat insulation safeguard function layer is made up of material special formulations such as aluminium hydroxide, refractory ceramic fluidized polymer, inorganic minerals, through mixing, having good pliability and machinability, heat insulation safeguard function layer has fire resistance and stops external high temperature to enter inside cable.
The present invention constitutes the double overcoat of insulation by arranging mica tape+ceramic fireproof band; ceramic fireproof composite band starts hardening under the conditions of 350 DEG C and above flame or nonflame; reach as high as 3000 DEG C; it is attached on mica tape along with temperature raises the complete housing quickly forming ceramic-like hard; mica tape is played a very good protection, ensures circuit in case of fire safe and smooth.
It addition, fill inorganic high fire-retardance glass cord between core, copper sheath layer uses copper strips to indulge bag embossing and seals argon arc welding.Make cable not only possess traditional fire protecting performance by above-mentioned process but also mica insulation layer difficult drop-off, improve the stability of insulation.
Use copper strips to indulge bag embossing to seal the copper sheath of argon arc welding and not only makes the bending property of cable be substantially improved, be also effectively isolated external flame and prolonged combustion to inside cable, enhanced fireproofing of cable performance.
Low smoke and zero halogen macromolecular material sheath is extruded by low smoke and zero halogen macromolecular material and constitutes.Protection effective to cable, and there is the features such as cigarette fire-retardant, low, Halogen.
The method have the advantages that owing to protective metal shell can extrude formation continuously, therefore cable length length and whole are continuously；Fire lagging has excellent heat insulation safeguard function, and at high temperature heat-barrier material forms heat-barrier coating and decomposes water outlet, and effective prevention external high temperature enters inside cable, strengthens interior metal sheath high-temperature resistance.
Screw-like chain armouring tape sheath; it is made to not only contribute to distributing of heat; also cable is provided more excellent mechanical performance protection; prevent cable from burning the impact of weight because having and cause structural deterioration; meet the C.W.Z class requirement of BS6387 standard, can be used for bearing the place etc. of mechanical external force or surface.
The present invention has features such as material special, simple in construction, advanced technology, and cable length length and whole continuously, have electric property and the mechanical performance of excellence simultaneously.The present invention has preferable pliability, it is simple to constructs and installs, and increases product service life simultaneously, reaches the effect of digital preservation cable, improves product service life in scene of fire.
Accompanying drawing explanation
Fig. 1 is the structural representation in the present invention；
In figure: 1 twisted copper conductors, 2 mica insulation layers, 3 ceramic fire prevention composite band, 4 coat of metals, 5 fire laggings, 6 copper sheaths, 7 interlocking S types hand over button armor, 8 inner sheaths, 9 oversheaths, 10 implants.
Detailed description of the invention
The present invention is further described with embodiment below in conjunction with the accompanying drawings.
Heat insulation type mica insulation metal coating fire-resisting cable; including cable core and sheath, cable core is that outer surface arranged tangential forms by many fire-proof insulation cores, and cable core is externally provided with coat of metal 4; coat of metal is outside equipped with copper sheath 6, and copper sheath is externally provided with interlocking S type and hands over button armor 7.
Sheath is constituted by low-smoke halogen-free polyolefin inner sheath 8, low smoke and zero halogen outer protective polyethylene set 9, and is arranged on outside armor, is provided with fire lagging 5 between coat of metal and copper sheath.
Fire-proof insulation core is made up of around the ceramic fire prevention composite band 3 wrapped in outside mica insulation layer around the mica insulation layer 2 wrapped in outside twisted copper conductors, repetition densification twisted copper conductors 1, smooth densification.
Being coated with tin layers outside copper conductor, be provided with implant 10 between fire-proof insulation core, described implant is inorganic high fire-retardance glass fiber rope.
Interlocking S type hands over button armor to be screw-like, and coat of metal is extruded continuously by metal material and forms, and copper sheath is indulged bag embossing sealing argon arc welding by copper strips and formed.
Fire lagging is repeated wrapped forming by silicone rubber belt outside coat of metal, and mica insulation layer is made up of high temperature resistant three-in-one fluorophlogopite belt.
Claims (9)
1. a heat insulation type mica insulation metal coating fire-resisting cable; including cable core and sheath; it is characterized in that; described cable core is that outer surface arranged tangential forms by many fire-proof insulation cores; described cable core is externally provided with coat of metal (4); coat of metal is outside equipped with copper sheath (6), and copper sheath is externally provided with interlocking S type and hands over button armor (7)；Described sheath is constituted by low-smoke halogen-free polyolefin inner sheath (8), low smoke and zero halogen outer protective polyethylene set (9), and is arranged on outside armor；Fire lagging (5) it is provided with between described coat of metal and copper sheath；Described fire-proof insulation core is made up of around ceramic fire prevention composite band (3) wrapped in outside mica insulation layer around the mica insulation layer (2) wrapped in outside twisted copper conductors, repetition densification twisted copper conductors (1), smooth densification.
Heat insulation type mica insulation metal coating fire-resisting cable the most according to claim 1, is characterized in that, be coated with tin layers outside described copper conductor.
Heat insulation type mica insulation metal coating fire-resisting cable the most according to claim 1, is characterized in that, be provided with implant (10) between described fire-proof insulation core.
Heat insulation type mica insulation metal coating fire-resisting cable the most according to claim 3, is characterized in that, described implant is inorganic high fire-retardance glass fiber rope.
Heat insulation type mica insulation metal coating fire-resisting cable the most according to claim 1, is characterized in that, described interlocking S type hands over button armor to be screw-like.
Heat insulation type mica insulation metal coating fire-resisting cable the most according to claim 1, is characterized in that, described coat of metal is extruded continuously by metal material and forms.
Heat insulation type mica insulation metal coating fire-resisting cable the most according to claim 1, is characterized in that, described copper sheath is indulged bag embossing sealing argon arc welding by copper strips and formed.
Heat insulation type mica insulation metal coating fire-resisting cable the most according to claim 1, is characterized in that, described fire lagging is repeated wrapped forming by silicone rubber belt outside coat of metal.
Heat insulation type mica insulation metal coating fire-resisting cable the most according to claim 1, is characterized in that, described mica insulation layer is made up of high temperature resistant three-in-one fluorophlogopite belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610267607.5A CN105931741A (en) | 2016-04-27 | 2016-04-27 | Heat-insulation mica insulation metal protection fireproof cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610267607.5A CN105931741A (en) | 2016-04-27 | 2016-04-27 | Heat-insulation mica insulation metal protection fireproof cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105931741A true CN105931741A (en) | 2016-09-07 |
Family
ID=56836371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610267607.5A Pending CN105931741A (en) | 2016-04-27 | 2016-04-27 | Heat-insulation mica insulation metal protection fireproof cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105931741A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107945964A (en) * | 2017-12-06 | 2018-04-20 | 云南滇缆实业有限责任公司 | Pressure crosslinking flexible fire-proof cable in environmentally friendly heat insulation type metal steel sheath |
| CN110853822A (en) * | 2019-11-26 | 2020-02-28 | 徐州金桥电气有限公司 | Electric wire for fire control |
| CN114300179A (en) * | 2021-12-29 | 2022-04-08 | 福建礼恩科技有限公司 | Aluminum metal sheath isolated flexible fireproof cable |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203038702U (en) * | 2012-12-21 | 2013-07-03 | 福州永通电线电缆有限公司 | Flexible fireproof cable |
| US20130170800A1 (en) * | 2010-09-10 | 2013-07-04 | Enrico Consonni | Fire resistant optical cable |
| CN104078123A (en) * | 2014-06-10 | 2014-10-01 | 辽宁宝林集团大连金州电缆有限公司 | Environment-friendly double-shielded low-voltage fire-resistant compound insulating high-flame-retardant flexible cable |
| CN204760074U (en) * | 2015-06-17 | 2015-11-11 | 宝胜科技创新股份有限公司 | Super flexible fireproof cable of chain armor metal covering of mica insulation protection |
-
2016
- 2016-04-27 CN CN201610267607.5A patent/CN105931741A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130170800A1 (en) * | 2010-09-10 | 2013-07-04 | Enrico Consonni | Fire resistant optical cable |
| CN203038702U (en) * | 2012-12-21 | 2013-07-03 | 福州永通电线电缆有限公司 | Flexible fireproof cable |
| CN104078123A (en) * | 2014-06-10 | 2014-10-01 | 辽宁宝林集团大连金州电缆有限公司 | Environment-friendly double-shielded low-voltage fire-resistant compound insulating high-flame-retardant flexible cable |
| CN204760074U (en) * | 2015-06-17 | 2015-11-11 | 宝胜科技创新股份有限公司 | Super flexible fireproof cable of chain armor metal covering of mica insulation protection |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107945964A (en) * | 2017-12-06 | 2018-04-20 | 云南滇缆实业有限责任公司 | Pressure crosslinking flexible fire-proof cable in environmentally friendly heat insulation type metal steel sheath |
| CN110853822A (en) * | 2019-11-26 | 2020-02-28 | 徐州金桥电气有限公司 | Electric wire for fire control |
| CN114300179A (en) * | 2021-12-29 | 2022-04-08 | 福建礼恩科技有限公司 | Aluminum metal sheath isolated flexible fireproof cable |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160907 |