CN105489299A - High-flame-retardation high-fireproof flexible cable used for communication power supply - Google Patents
High-flame-retardation high-fireproof flexible cable used for communication power supply Download PDFInfo
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- CN105489299A CN105489299A CN201610046287.0A CN201610046287A CN105489299A CN 105489299 A CN105489299 A CN 105489299A CN 201610046287 A CN201610046287 A CN 201610046287A CN 105489299 A CN105489299 A CN 105489299A
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- China
- Prior art keywords
- halogen
- power supply
- flexible cable
- communication power
- flame retardant
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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
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
- H01B3/42—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes polyesters; polyethers; polyacetals
- H01B3/421—Polyesters
-
- 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
- H01B7/02—Disposition of insulation
-
- 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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- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Insulated Conductors (AREA)
Abstract
The invention discloses a high-flame-retardation high-fireproof flexible cable used for a communication power supply. The high-flame-retardation high-fireproof flexible cable comprises bare copper flexible conductors, a wrapping layer, an insulating layer and a sheath layer. The plurality of bare copper flexible conductors are stranded in the same direction. The wrapping layer, the insulating layer and the sheath layer are arranged at the outer side of the bare copper flexible conductors. The insulating layer includes halogen-free polyolefin and halogen-free polyurethane. The sheath layer is made of crosslinking thermoset halogen-free polyolefin. According to the invention, the properties of multiple polymeric materials are integrated to ensure the good flexible and bendable performance of the cable itself; and flame-retardation materials such as magnesium oxide and alumina are added, and magnesium chloride is used to ensure that the flame-retardation materials are well mixed into the internal materials, so that a good fireproof flame-retardation effect is achieved, no poisonous gas is generated, and damages to people are avoided.
Description
Technical field
The present invention relates to a kind of flexible cable, particularly a kind of communication power supply high flame retardant height fire-resisting flexible cable.
Background technology
Power supply in communication base station or building is defeated, need to use a large amount of flexible cables in distribution system, and flexible cable bending property is good, is convenient to indoor and connects up.But especially communication base station power consumption equipment is more for building, fire odds is also larger, like this once breaking out of fire when, current telecommunication cable product flame retardant effect is general and burning can produce a large amount of toxic gases, and to communication base station, personnel work the mischief in fire disaster escaping.Therefore how to improve the flame-retardant effect of communication flexible cable and ensure that not producing toxic gas becomes problem in the urgent need to address at present.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of communication power supply high flame retardant height fire-resisting flexible cable, and its flame-retardant is respond well and do not produce toxic gas.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is:
A kind of communication power supply high flame retardant height fire-resisting flexible cable, comprise naked copper flexible conductor, lapping layer, insulating barrier, restrictive coating, some naked copper flexible conductors are stranded in the same way, lapping layer, insulating barrier, restrictive coating are arranged on outside naked copper flexible conductor, it is characterized in that: described insulating barrier comprises halogen-free polyolefin and Halogen polyurethane, jacket layer material is crosslinked thermosetting halogen-free polyolefin.
Further, the proportioning of described halogen-free polyolefin and Halogen polyurethane is 7:3.
Further, the material of described insulating barrier also comprises magnesium oxide, aluminium oxide flame-retardant additive.
Further, the material of described insulating barrier comprises the halogen-free polyolefin of mass ratio 60 ~ 70%, Halogen polyurethane, the magnesium oxide of 5 ~ 10%, the aluminium oxide of 2 ~ 5% of 20 ~ 25%.
Further, described lapping layer adopts mica tape.
A kind of multicore communication power supply high flame retardant height fire-resisting flexible cable; it is characterized in that: comprise some cores, filling, fire prevention covering, internal layer sheath, coat of metal, outer protective sleeve; fire prevention covering, internal layer sheath, coat of metal, outer protective sleeve are successively set on outside some cores from inside to outside; be filled with between the core gap in fire prevention covering; internal layer sheath material comprises halogen-free polyolefin and Halogen polyurethane, and outer protective sleeve material is crosslinked halogen-free polyolefin.
Further, described internal layer jacket material also comprises magnesium oxide and aluminium oxide, its quality than proportioning be 60 ~ 70% halogen-free polyolefin, 20 ~ 25% Halogen polyurethane, the magnesium oxide of 5 ~ 10% and the aluminium oxide of 2 ~ 5%.
Further, described core comprises naked copper flexible conductor, lapping layer and insulating sleeve, and some naked copper flexible conductors are stranded in the same way, and lapping layer is mica tape, and insulating sleeve adopts halogen-free polyolefin material.
Further, described in be filled to and be filled in core gap and the flame-retardant rope arranged along core direction, flame-retardant rope is by polypropylene filament and ceramic silicon rubber filament is stranded forms, and the ratio of polypropylene filament and ceramic silicon rubber filament is 5:2.
Further, described fire prevention covering is magnesium oxide coating twining package tape.
The present invention compared with prior art, has the following advantages and effect:
1, insulating layer material adopts halogen-free polyolefin and Halogen polyurethane to mix according to a certain percentage, such insulating layer material performance has softness weather-proof and best like polyurethanes, compensate for the shortcoming of halogen-free polyolefin fragile under low temperatureization, thus mounting and installation under making product more acclimatization adverse circumstances and requiring the occasion that product is soft high, restrictive coating adopts crosslinked thermosetting polyolefin to greatly improve mechanical performance and the heat resistance of cable, add magnesium oxide simultaneously, aluminium oxide flame-retardant additive makes these material flame retardant effects good and burning does not produce toxic gas, avoid damaging people,
2, polypropylene filament and the stranded flame-retardant rope of ceramic silicon rubber filament is adopted to fill as between core, polypropylene fire retardant is effective, and after ceramic silicon rubber combustion, produce hard containment vessel, cable can be protected can to work on a period of time after combustion, promote the fire resistant flame retardant effect of cable further;
3, increase magnesium oxide fire prevention covering, can effectively increase cable-flame retardant fire resistance.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of a kind of embodiment of communication power supply high flame retardant height fire-resisting flexible cable of the present invention.
Fig. 2 is the schematic diagram of the another kind of embodiment of communication power supply high flame retardant height fire-resisting flexible cable of the present invention.
Embodiment
Below in conjunction with accompanying drawing, also by embodiment, the present invention is described in further detail, and following examples are explanation of the invention and the present invention is not limited to following examples.
Embodiment 1:
As shown in Figure 1, a kind of communication power supply high flame retardant height fire-resisting flexible cable, comprise naked copper flexible conductor 1, lapping layer 2, insulating barrier 3, restrictive coating 4, some naked copper flexible conductors 1 are stranded in the same way, lapping layer 2, insulating barrier 3, restrictive coating 4 are arranged on outside naked copper flexible conductor 1, insulating barrier 3 comprises halogen-free polyolefin and Halogen polyurethane, and restrictive coating 4 material is crosslinked thermosetting halogen-free polyolefin.
The proportioning of halogen-free polyolefin and Halogen polyurethane is 7:3.Insulating barrier 3 material also comprises magnesium oxide and aluminium oxide.The material of insulating barrier 3 comprises the halogen-free polyolefin of mass ratio 60 ~ 70%, Halogen polyurethane, the magnesium oxide of 5 ~ 10%, the aluminium oxide of 2 ~ 5% of 20 ~ 25%.Lapping layer 2 adopts mica tape, increases the fire resistance of cable.Halogen-free polyolefin and the burning of Halogen polyurethane do not produce toxic gas and Halogen polyurethane softness is outstanding, both the characteristic that the soft bending property of flexible cable itself is good had been ensured like this by performance synthesis, add the flame-retardant additive such as magnesium oxide, aluminium oxide simultaneously, thus reach good fire resistant flame retardant effect, and do not produce toxic gas, avoid working the mischief to people.
Embodiment 2:
As shown in Figure 2; a kind of multicore communication power supply high flame retardant height fire-resisting flexible cable; comprise some cores 5, filling 6, fire prevention covering 7, internal layer sheath 8, coat of metal 9, outer protective sleeve 10; fire prevention covering 7, internal layer sheath 8, coat of metal 9, outer protective sleeve 10 are successively set on outside some cores 5 from inside to outside; fill between 6 core 5 gaps be arranged in fire prevention covering 7; internal layer sheath 8 material comprises halogen-free polyolefin and Halogen polyurethane, and outer protective sleeve 10 material is crosslinked halogen-free polyolefin.
Protect 8 cover materials outside internal layer and also comprise magnesium oxide and aluminium oxide, its quality than proportioning be 60 ~ 70% halogen-free polyolefin, 20 ~ 25% Halogen polyurethane, the magnesium oxide of 5 ~ 10% and the aluminium oxide of 2 ~ 5%.
Core 5 comprises naked copper flexible conductor, lapping layer and insulating sleeve, and some naked copper flexible conductors are stranded in the same way, and lapping layer is mica tape, and insulating sleeve adopts halogen-free polyolefin material.
Fill 6 for being filled in core gap and the flame-retardant rope arranged along core direction, flame-retardant rope is by polypropylene filament and ceramic silicon rubber filament is stranded forms, and the ratio of polypropylene filament and ceramic silicon rubber filament is 5:2.Such employing polypropylene filament and the stranded flame-retardant rope of ceramic silicon rubber filament are filled as between core; polypropylene fire retardant is effective; and after ceramic silicon rubber combustion, produce hard containment vessel; cable can be protected can to work on a period of time after combustion, promote the fire resistant flame retardant effect of cable further.
Fire prevention covering 7 is magnesium oxide coating twining package tape, can effectively increase cable-flame retardant fire resistance.
Above content described in this specification is only made for the present invention illustrating.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment; only otherwise depart from the content of specification of the present invention or surmount this scope as defined in the claims, protection scope of the present invention all should be belonged to.
Claims (10)
1. a communication power supply high flame retardant height fire-resisting flexible cable, comprise naked copper flexible conductor, lapping layer, insulating barrier, restrictive coating, some naked copper flexible conductors are stranded in the same way, lapping layer, insulating barrier, restrictive coating are arranged on outside naked copper flexible conductor, it is characterized in that: described insulating barrier comprises halogen-free polyolefin and Halogen polyurethane, jacket layer material is crosslinked thermosetting halogen-free polyolefin.
2. according to communication power supply high flame retardant height fire-resisting flexible cable according to claim 1, it is characterized in that: the proportioning of described halogen-free polyolefin and Halogen polyurethane is 7:3.
3. according to communication power supply high flame retardant height fire-resisting flexible cable according to claim 1, it is characterized in that: the material of described insulating barrier also comprises magnesium oxide, aluminium oxide flame-retardant additive.
4., according to communication power supply high flame retardant height fire-resisting flexible cable according to claim 3, it is characterized in that: the material of described insulating barrier comprise the halogen-free polyolefin of mass ratio 60 ~ 70%, 20 ~ 25% Halogen polyurethane, the magnesium oxide of 5 ~ 10%, the aluminium oxide of 2 ~ 5%.
5. according to communication power supply high flame retardant height fire-resisting flexible cable according to claim 1, it is characterized in that: described lapping layer adopts mica tape.
6. a multicore communication power supply high flame retardant height fire-resisting flexible cable; it is characterized in that: comprise some cores, filling, fire prevention covering, internal layer sheath, coat of metal, outer protective sleeve; fire prevention covering, internal layer sheath, coat of metal, outer protective sleeve are successively set on outside some cores from inside to outside; be filled with between the core gap in fire prevention covering; internal layer sheath material comprises halogen-free polyolefin and Halogen polyurethane, and outer protective sleeve material is crosslinked halogen-free polyolefin.
7. according to multicore communication power supply high flame retardant height fire-resisting flexible cable according to claim 6, it is characterized in that: described internal layer jacket material also comprises magnesium oxide and aluminium oxide, its quality than proportioning be 60 ~ 70% halogen-free polyolefin, 20 ~ 25% Halogen polyurethane, the magnesium oxide of 5 ~ 10% and the aluminium oxide of 2 ~ 5%.
8. according to multicore communication power supply high flame retardant height fire-resisting flexible cable according to claim 6, it is characterized in that: described core comprises naked copper flexible conductor, lapping layer and insulating sleeve, some naked copper flexible conductors are stranded in the same way, and lapping layer is mica tape, and insulating sleeve adopts halogen-free polyolefin material.
9. according to multicore communication power supply high flame retardant height fire-resisting flexible cable according to claim 6, it is characterized in that: described in be filled to be filled in core gap and along core direction arrange flame-retardant rope, flame-retardant rope is by polypropylene filament and ceramic silicon rubber filament is stranded forms, and the ratio of polypropylene filament and ceramic silicon rubber filament is 5:2.
10., according to multicore communication power supply high flame retardant height fire-resisting flexible cable according to claim 6, it is characterized in that: described fire prevention covering is magnesium oxide coating twining package tape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610046287.0A CN105489299A (en) | 2016-01-25 | 2016-01-25 | High-flame-retardation high-fireproof flexible cable used for communication power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610046287.0A CN105489299A (en) | 2016-01-25 | 2016-01-25 | High-flame-retardation high-fireproof flexible cable used for communication power supply |
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| Publication Number | Publication Date |
|---|---|
| CN105489299A true CN105489299A (en) | 2016-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610046287.0A Pending CN105489299A (en) | 2016-01-25 | 2016-01-25 | High-flame-retardation high-fireproof flexible cable used for communication power supply |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105895241A (en) * | 2016-05-18 | 2016-08-24 | 无为县金华电缆材料有限公司 | Flame-retardant cable |
| CN108879521A (en) * | 2018-08-15 | 2018-11-23 | 江苏金利电气有限公司 | A kind of broad-adjustable high-strength cable bridge |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1830041A (en) * | 2003-07-30 | 2006-09-06 | 住友电气工业株式会社 | Nonhalogenated flame resistant cable |
| CN101211681A (en) * | 2006-12-29 | 2008-07-02 | 财团法人工业技术研究院 | Fireproof electric wire and cable |
| CN201204084Y (en) * | 2008-06-11 | 2009-03-04 | 江苏亨通电力电缆有限公司 | Halogen-free shielding anti-interference flexible cable for communication power supply |
| JP2009110858A (en) * | 2007-10-31 | 2009-05-21 | Hitachi Cable Ltd | Non-halogen fire-retardant wire cable |
| CN102385953A (en) * | 2010-08-31 | 2012-03-21 | 江苏俊知技术有限公司 | Yellow green double color grounded flexible cable used in communication power supply |
| CN102993602A (en) * | 2012-11-27 | 2013-03-27 | 宁波一舟塑胶有限公司 | CMP-grade flame-retardant smoke-inhibiting polyvinyl chloride cable sheath material and preparation method thereof |
| CN203150279U (en) * | 2013-03-12 | 2013-08-21 | 江苏亨通线缆科技有限公司 | Flame-retardant armored copper-clad aluminum power line for communication power supply |
| CN103871539A (en) * | 2014-03-26 | 2014-06-18 | 中利科技集团股份有限公司 | Five-core inflaming retarding flexible cable for communication power source |
-
2016
- 2016-01-25 CN CN201610046287.0A patent/CN105489299A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1830041A (en) * | 2003-07-30 | 2006-09-06 | 住友电气工业株式会社 | Nonhalogenated flame resistant cable |
| CN101211681A (en) * | 2006-12-29 | 2008-07-02 | 财团法人工业技术研究院 | Fireproof electric wire and cable |
| JP2009110858A (en) * | 2007-10-31 | 2009-05-21 | Hitachi Cable Ltd | Non-halogen fire-retardant wire cable |
| CN201204084Y (en) * | 2008-06-11 | 2009-03-04 | 江苏亨通电力电缆有限公司 | Halogen-free shielding anti-interference flexible cable for communication power supply |
| CN102385953A (en) * | 2010-08-31 | 2012-03-21 | 江苏俊知技术有限公司 | Yellow green double color grounded flexible cable used in communication power supply |
| CN102993602A (en) * | 2012-11-27 | 2013-03-27 | 宁波一舟塑胶有限公司 | CMP-grade flame-retardant smoke-inhibiting polyvinyl chloride cable sheath material and preparation method thereof |
| CN203150279U (en) * | 2013-03-12 | 2013-08-21 | 江苏亨通线缆科技有限公司 | Flame-retardant armored copper-clad aluminum power line for communication power supply |
| CN103871539A (en) * | 2014-03-26 | 2014-06-18 | 中利科技集团股份有限公司 | Five-core inflaming retarding flexible cable for communication power source |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105895241A (en) * | 2016-05-18 | 2016-08-24 | 无为县金华电缆材料有限公司 | Flame-retardant cable |
| CN108879521A (en) * | 2018-08-15 | 2018-11-23 | 江苏金利电气有限公司 | A kind of broad-adjustable high-strength cable bridge |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160413 |
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| RJ01 | Rejection of invention patent application after publication |