CN105702362A - Environment-friendly type aluminum alloy fire-resistant cable - Google Patents
Environment-friendly type aluminum alloy fire-resistant cable Download PDFInfo
- Publication number
- CN105702362A CN105702362A CN201610206384.1A CN201610206384A CN105702362A CN 105702362 A CN105702362 A CN 105702362A CN 201610206384 A CN201610206384 A CN 201610206384A CN 105702362 A CN105702362 A CN 105702362A
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- Prior art keywords
- aluminum alloy
- environment
- conductor
- friendly type
- adopts
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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
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/02—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of metals or alloys
- H01B1/023—Alloys based on aluminium
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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
- H01B7/02—Disposition of insulation
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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
- H01B7/02—Disposition of insulation
- H01B7/0208—Cables with several layers of insulating material
- H01B7/0216—Two layers
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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
- H01B7/02—Disposition of insulation
- H01B7/0241—Disposition of insulation comprising one or more helical wrapped layers of insulation
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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
Abstract
The invention relates to the communication technical field, and specifically discloses an environment-friendly type aluminum alloy fire-resistant cable. The cable comprises multiple power lines, and a wrapping layer, a glass fiber tape, a linkage armoured layer and an outer sheath layer arranged on the exteriors of the power lines in sequence, wherein each power line comprises a conductor, and a mica tape and an insulating layer covering the exterior of each conductor in sequence; the conductor adopts AA8030 aluminum alloy; the insulating layer adopts a cross-linked low-smoke flame-retardant polyolefin insulating material; the insulating layer is provided with a color marking tape, or wrapped with two layers of ceramic silicone rubber tapes in an overlapped manner, and the overlapped covering rate is 35-50%; the gap between the power lines and the wrapping layer is filled with glass fibers; the linkage armoured layer adopts the an aluminum alloy tape for realizing linkage armour; the wrapping layer adopts two layers of ceramic silicone rubber tapes for wrapping in an overlapped manner, and the overlapped covering rate is 50-55%; the outer sheath is extruded with a low-smoke zero-halogen flame-retardant polyolefin sheath; and the glass fiber tape adopts two layers of glass fiber tapes for wrapping. The environment-friendly type aluminum alloy fire-resistant cable has the advantages of long fire-resistant time, light mass, low cost, and environmental protection.
Description
Technical field
The present invention relates to communication technical field, particularly relate to a kind of environment-friendly type aluminum alloy fire-resistant cable。
Background technology
Growing along with China's economic construction, the raising of living standard quality, safety requirements is increasingly paid attention to, thing followed fire safety is also more and more important and urgent, and fire-resisting cable is obtained in places such as industrial premises, common establishment project, commercial building, residential houses and is widely applied in a large number。Comprehensive each conflagration is reported, wherein the spontaneous combustion of electric wire and the fire that causes accounts for significant proportion, and in a fire because electric wire causes the ratio of personnel self injures and deaths also to occupy very big ratio。
Current fire-resisting cable is of wide application general, it is adaptable to civilian, business, industrial building, it is also possible in places such as subway, ore deposit, outdoor field, civil aviaton, large-scale exhibitions place, stadiums, national defence important base and all kinds of rank dangerous areas。
Existing flame resistant cable is generally copper core cable or mineral insulated cable, and weight is big, and rice number is short, and most oversheaths adopt flame-proof polyvinyl chloride protective cover material, and during breaking out of fire, oversheath burning can produce thick smoke, and fire resistance period is short。
Summary of the invention
It is an object of the invention to provide a kind of environment-friendly type aluminum alloy fire-resistant cable, fire resistance period length, light weight, with low cost, environmental protection。
To achieve these goals, present invention employs following technical scheme: a kind of environment-friendly type aluminum alloy fire-resistant cable, including many power lines and the lapping layer, glass fiber tape, chain armor and the external sheath layer that are set in turn in outside power line；
Described power line includes conductor and the mica tape being coated on successively outside conductor, insulating barrier, and described conductor is AA8030 aluminium alloy conductor；
Described insulating barrier is provided with color-coded band for crosslinking low-smoke flame-proof polyolefin Insulation Material and insulating barrier；
Gap between described power line and lapping layer is filled by glass fibre；
Described chain armor adopts the chain armouring of aluminum alloy strip。
Wherein, described insulating barrier is that 2 layers of Ceramic silicon rubber band overlap are wrapped, and the overlap rate of putting up is 35%～50%。
Wherein, described lapping layer is that 2 layers of Ceramic silicon rubber band overlap are wrapped, and the overlap rate of putting up is 50%～55%, and the thickness of described lapping layer is 1.5～2.0mm。
Wherein, described external sheath layer adopts low-smoke and halogen-free flame retardant polyolefin jacket to extrude。
Wherein, described glass fiber tape adopts 2 layers of glass fiber tape to carry out wrapped。
The beneficial effects of the present invention is: after adopting above-mentioned cable, conductor adopts aluminum alloy materials, lower in cost, lightweight, conductor outer cladding mica tape, and power line is carried out wrapped as lapping layer by ceramic rubber strip, and fire resistance is high；Chain armor can reduce cost, adopts ep-type material, is significantly better than traditional inorganic combustion inhibitor, long service life。
Accompanying drawing explanation
In order to be illustrated more clearly that embodiment of the present invention technical scheme, below the accompanying drawing used required during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only that the present invention is in order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below the accompanying drawing used required in p-embodiment or description of the prior art is briefly described, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings。
Fig. 1 is the cross-sectional structure schematic diagram of the present invention。
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments。Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of protection of the invention。
Environment-friendly type aluminum alloy fire-resistant cable as shown in Figure 1, including many power lines and the lapping layer 5, glass fiber tape 6, chain armor 7 and the external sheath layer 8 that are set in turn in outside power line；Described power line includes conductor 1 and the mica tape 2 being coated on successively outside conductor 1, insulating barrier 3。
The conductor 1 of this cable is outer adopts mica tape 2 to carry out wrapped, and refractory temperature can reach 700～800 DEG C；Adopt ceramic rubber strip to carry out wrapped as lapping layer 5 to conductor 1, conductor 1 can be protected when breaking out of fire, it is prevented that conductor 1 is caused damage by fire；This cable can stand the flame-retardant test of 90min at 750 DEG C～800 DEG C, reaches fire-retardant IA level, fire-resistant I level, is applicable to the place that security against fire rank is higher。
Insulating barrier 3 is provided with color-coded band for crosslinking low-smoke flame-proof polyolefin Insulation Material and insulating barrier 3, and insulating barrier 3 also can adopt 2 layers of Ceramic silicon rubber band overlap wrapped, and the overlap rate of putting up is 35%～50%。
Described lapping layer 5 is that 2 layers of Ceramic silicon rubber band overlap are wrapped; the overlap rate of putting up is 50%～55%, and the thickness of described lapping layer 5 is 1.5～2.0mm, is also wrapped on 2 layers of glass fiber tape 6 outside the lapping layer 5 of this cable; lapping layer 5 is protected, enhances the protection to conductor 1。
This cable is provided with chain armor 7, has saved cost, reduce the danger coefficient of fire, do not need crane span structure and poling。
Described external sheath layer 8 adopts low-smoke and halogen-free flame retardant polyolefin jacket to extrude。The material of this cable all adopts ep-type material, is significantly better than traditional inorganic combustion inhibitor, has electric property and ageing resistace, long service life, the excellent fireproof performance of excellence, can reach low smoke and zero halogen rank, more safety and environmental protection。
The conductor 1 of this cable is AA8030 aluminum alloy material, improves the defect of tradition aluminium cable, and has some characteristics being better than copper cable；Flexible, bending radius is only 7 times of external diameters；Unconventional compacting techniques, presses coefficient and reaches 0.93；And lower in cost compared with copper core cable, lightweight, it is more beneficial for installing, transporting and carrying。
Adopt glass fibre 4 to be filled with between conductor 1, there is higher mechanical strength, strengthen the tensile strength of cable；Insulated wire cores can be played further heat-resisting effect simultaneously。
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all within the spirit and principles in the present invention, any amendment of making, equivalent replacement, improvement etc., should be included within protection scope of the present invention。
Claims (5)
1. an environment-friendly type aluminum alloy fire-resistant cable, it is characterised in that: include many power lines and the lapping layer (5), glass fiber tape (6), chain armor (7) and the external sheath layer (8) that are set in turn in outside power line；
Described power line includes conductor (1) and is coated on the outer mica tape (2) of conductor (1), insulating barrier (3) successively, and described conductor is AA8030 aluminium alloy conductor；
Described insulating barrier (3) is provided with color-coded band for crosslinking low-smoke flame-proof polyolefin Insulation Material and insulating barrier (3)；
Gap between described power line and lapping layer is filled by glass fibre (4)；
Described chain armor (7) adopts the chain armouring of aluminum alloy strip。
2. a kind of environment-friendly type aluminum alloy fire-resistant cable according to claim 1, it is characterised in that: described insulating barrier (3) is that 2 layers of Ceramic silicon rubber band overlap are wrapped, and the overlap rate of putting up is 35%～50%。
3. a kind of environment-friendly type aluminum alloy fire-resistant cable according to claim 1, it is characterized in that: described lapping layer (5) is that 2 layers of Ceramic silicon rubber band overlap are wrapped, the overlap rate of putting up is 50%～55%, and the thickness of described lapping layer (5) is 1.5～2.0mm。
4. a kind of environment-friendly type aluminum alloy fire-resistant cable according to claim 1, it is characterised in that: described external sheath layer (8) adopts low-smoke and halogen-free flame retardant polyolefin jacket to extrude。
5. a kind of environment-friendly type aluminum alloy fire-resistant cable according to claim 1, it is characterised in that: described glass fiber tape (6) adopts 2 layers of glass fiber tape to carry out wrapped。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610206384.1A CN105702362A (en) | 2016-04-05 | 2016-04-05 | Environment-friendly type aluminum alloy fire-resistant cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610206384.1A CN105702362A (en) | 2016-04-05 | 2016-04-05 | Environment-friendly type aluminum alloy fire-resistant cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105702362A true CN105702362A (en) | 2016-06-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610206384.1A Pending CN105702362A (en) | 2016-04-05 | 2016-04-05 | Environment-friendly type aluminum alloy fire-resistant cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105702362A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107123475A (en) * | 2017-04-27 | 2017-09-01 | 上海喆之信息科技有限公司 | A kind of fire resisting environment-friendly cable |
| CN109994264A (en) * | 2019-04-25 | 2019-07-09 | 佛山市宏图中宝电缆有限公司 | A kind of low-pressure fireproof cable |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0709611D0 (en) * | 2007-05-18 | 2007-06-27 | Draka Uk Ltd | Fire-resistant cable |
| CN201402664Y (en) * | 2009-05-06 | 2010-02-10 | 江苏亨通电力电缆有限公司 | Offshore oil platform flame-retardant fire-resistant oil- resistant soft power cable |
| CN203276947U (en) * | 2013-04-11 | 2013-11-06 | 安徽海纳电缆集团有限公司 | Environmentally friendly low-smoke halogen-free flame-retardant fireproof medium-voltage power cable |
| CN103646711A (en) * | 2013-11-29 | 2014-03-19 | 四川鑫电电缆有限公司 | Aluminum alloy fire-resistant cable |
| CN105374449A (en) * | 2015-11-24 | 2016-03-02 | 江苏赛特电气有限公司 | Fire-resistant power cable |
-
2016
- 2016-04-05 CN CN201610206384.1A patent/CN105702362A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0709611D0 (en) * | 2007-05-18 | 2007-06-27 | Draka Uk Ltd | Fire-resistant cable |
| CN201402664Y (en) * | 2009-05-06 | 2010-02-10 | 江苏亨通电力电缆有限公司 | Offshore oil platform flame-retardant fire-resistant oil- resistant soft power cable |
| CN203276947U (en) * | 2013-04-11 | 2013-11-06 | 安徽海纳电缆集团有限公司 | Environmentally friendly low-smoke halogen-free flame-retardant fireproof medium-voltage power cable |
| CN103646711A (en) * | 2013-11-29 | 2014-03-19 | 四川鑫电电缆有限公司 | Aluminum alloy fire-resistant cable |
| CN105374449A (en) * | 2015-11-24 | 2016-03-02 | 江苏赛特电气有限公司 | Fire-resistant power cable |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107123475A (en) * | 2017-04-27 | 2017-09-01 | 上海喆之信息科技有限公司 | A kind of fire resisting environment-friendly cable |
| CN107123475B (en) * | 2017-04-27 | 2019-02-05 | 无锡市华美电缆有限公司 | A kind of fire resisting environment-friendly cable |
| CN109994264A (en) * | 2019-04-25 | 2019-07-09 | 佛山市宏图中宝电缆有限公司 | A kind of low-pressure fireproof cable |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160622 |