CN204632397U - A kind of nanometer smoke-inhibiting flame retardant cable - Google Patents
A kind of nanometer smoke-inhibiting flame retardant cable Download PDFInfo
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- CN204632397U CN204632397U CN201420867652.0U CN201420867652U CN204632397U CN 204632397 U CN204632397 U CN 204632397U CN 201420867652 U CN201420867652 U CN 201420867652U CN 204632397 U CN204632397 U CN 204632397U
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- flame retardant
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- inhibiting flame
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Abstract
The utility model discloses a kind of nanometer smoke-inhibiting flame retardant cable, this nanometer smoke-inhibiting flame retardant cable comprises oversheath and is wrapped at least one cable inner core in described oversheath, cable inner core described in each root comprises conductor and the insulating barrier be coated on successively on described conductor and smoke-inhibiting flame retardant layer, and described oversheath outer surface is provided with at least one deck smoke-inhibiting flame retardant layer; The smoke-inhibiting flame retardant layer that the utility model is formed by the material comprising environment-friendly type smoke-inhibiting flame retardant coating by being coated with one deck at the outer surface of oversheath and the outer surface of cable inner core, because this smoke-inhibiting flame retardant coating has the environmental protection simultaneously of smoke-inhibiting flame retardant performance, make the smoke suppressing effect of the nanometer smoke-inhibiting flame retardant cable in the utility model remarkable, flame retardant effect is desirable, can cable be suppressed when breaking out of fire to produce toxic smog by smoke-inhibiting flame retardant layer, and reduce the possibility of cable fire, improve visibility and the fail safe of scene of fire, be conducive to the safe escape of personnel.
Description
Technical field
The utility model relates to power cable technical field, more particularly, relate to a kind of can the electric wire of smoke-inhibiting flame retardant.
Background technology
Fire incident in all parts of the country frequently occurs in recent years, causes a large amount of casualties.According to Britain, the reason statistics caused casualties in fire is shown, due to anthracemia death by suffocation or smoked that the dead generally accounts for the total death toll of fire by other poison gas 40% ~ 50%, and in the middle of the people be scorched to death, majority is scorched to death after toxic smoke Poisoning choke is fallen in a swoon.
At present, the occasions such as domestic skyscraper, factory, market, mine, metallurgy, power station, subway, the cable insulation used, restrictive coating mostly adopt Halogen material.Once breaking out of fire, not only can produce a large amount of dense smoke, and the very strong hydrogen halide of corrosivity can be produced, jeopardize the life of people, flee to personnel and bring inconvenience, and contaminated environment.If continue to be burnt; just gradually powder and come off; lose conductor protective effect; electric wire is easy to breakdown and causes short circuit; thus be difficult to ensure communication, electric power in case of fire safe and smooth, a large amount of poisonous dense smoke can be produced in combustion simultaneously, stop the escape sight line of personnel; and once incoming call respiratory tract can cause situations such as suffocating, the safe escape of same obstruction personnel.
Along with country to the attention of citizen's personal safety in fire incident and World Environment Organization to the requirement of environmental protection, be badly in need of the various novel smoke-inhibiting flame retardant electric wire of exploitation to meet the demand to personal safety and environmental protection in fire incident.
Utility model content
The technical problems to be solved in the utility model is, for the above-mentioned defect of prior art, provide a kind of have significant press down cigarette effect, good flame retardation effect and the nanometer smoke-inhibiting flame retardant cable of environmental protection.
The utility model solves the problems of the technologies described above adopted technical scheme: a kind of nanometer smoke-inhibiting flame retardant cable, comprise oversheath and be wrapped at least one cable inner core in described oversheath, cable inner core described in each root comprises conductor and the insulating barrier be coated on successively on described conductor and smoke-inhibiting flame retardant layer, and described oversheath outer surface is provided with at least one deck smoke-inhibiting flame retardant layer, the thickness of described insulating barrier is 0.6mm ~ 1mm.
In the utility model, described smoke-inhibiting flame retardant layer is made up of the material comprising smoke-inhibiting flame retardant coating.
In the utility model, when described cable inner core is many, the gap between many described cable inner cores has packed layer, and described packed layer comprises high flame retardant glass fiber material.
In the utility model, the thickness of described oversheath is 0.65mm ~ 0.85mm.
In the utility model, when described cable inner core is many, the stranded direction of many described cable inner cores by outer layers towards inner layers be followed successively by " S "-" Z "-" S " to.
In the utility model, described conductor is twisted by many copper wire bundles and forms, and the diameter of described copper wire is 0.09mm ~ 0.12mm.
In the utility model, the radical of described cable inner core (1) is 2-61 root.
In the utility model, described insulating barrier and external sheath layer are made up of polyvinyl chloride, polyethylene or ethylene-propylene rubber.
The utility model provides a kind of nanometer smoke-inhibiting flame retardant cable, comprise be made up of polyvinyl chloride oversheath, be coated with the smoke-inhibiting flame retardant layer and the multi-cable inner core that is wrapped in described oversheath that are located at described oversheath outer surface, cable inner core described in each root comprises the conductor and the insulating barrier be made up of polyvinyl chloride be coated on successively on described conductor and smoke-inhibiting flame retardant layer that the copper wire bundle be made up of the many oxygen-free coppers that are 99.99% by purity twists, and the diameter of described copper wire is 0.10mm; The stranded direction of many described cable inner cores by outer layers towards inner layers be followed successively by " S "-" Z "-" S " to; Gap between many described cable inner cores is filled with the packed layer be made up of the material comprising high flame retardant glass fiber material.
In the utility model, the oversheath of nanometer smoke-inhibiting flame retardant cable and the insulating barrier of cable inner core adopt the materials such as the polyvinyl chloride of environment-friendly type to make, reach the designing requirement of RoHS environment-friendly cable, advantageously while health and environmental protection, greatly reduce cost; And by being coated with the smoke-inhibiting flame retardant layer that one deck is formed by the material comprising environment-friendly type smoke-inhibiting flame retardant coating at the outer surface of oversheath and the outer surface of cable inner core, because this smoke-inhibiting flame retardant coating has the environmental protection simultaneously of smoke-inhibiting flame retardant performance, make the smoke suppressing effect of the nanometer smoke-inhibiting flame retardant cable in the utility model remarkable, flame retardant effect is desirable, can cable be suppressed when breaking out of fire to produce toxic smog by smoke-inhibiting flame retardant layer, and reduce the possibility of cable fire, improve visibility and the fail safe of scene of fire, be conducive to the safe escape of personnel.
Accompanying drawing explanation
Fig. 1 is the structural representation of the cable inner core in the utility model one embodiment;
Fig. 2 is the structural representation of the nanometer smoke-inhibiting flame retardant cable in the utility model one embodiment.
Embodiment
In order to be illustrated more clearly in the technical solution of the utility model, below in conjunction with drawings and Examples, the technical solution of the utility model is further elaborated, apparently, the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other embodiment can also be obtained according to these embodiments.
With reference to Fig. 1, a kind of nanometer smoke-inhibiting flame retardant cable, comprises oversheath 12, cable inner core 11 and packed layer 14, wherein, cable inner core 11 and packed layer 14 are all coated in oversheath 12, and oversheath 12 outer surface is provided with the smoke-inhibiting flame retardant layer 13 be made up of the material comprising smoke-inhibiting flame retardant coating.
The quantity of cable inner core 11 is at least one, namely cable inner core 11 can be one, two or more, generally the radical of cable inner core 11 is at 2 ~ 61, and concrete determines according to the actual needs of circuit, and all cable inner cores 11 are all coated on the inside of oversheath 12.When cable inner core 11 is many, shape, the size of this multi-cable inner core 11 can be identical, also can be different, if cable inner core 11 can be circle, pancake or square etc.In the present embodiment, cable inner core 11 is three, this three cable inner cores 11 measure-alike is also circle, three cable inner cores 11 mutually twist together according to the lay preset and direction and form cross section is leg-of-mutton structure, be appreciated that cable inner core 11 also can be arranged as square, trapezoidal or other shape.The mutually stranded direction of cable inner core 11 by outer layers towards inner layers be followed successively by " S "-" Z "-" S " to, to ensure that mutually stranded cable inner core 11 makes cable inner core 11 Stability Analysis of Structures and uniform force while can being formed rounded configurations arrangement, strengthen the overall construction intensity of cable.
With reference to Fig. 2, each root cable inner core 11 comprises conductor 101 and the insulating barrier 15 that is coated on successively on conductor 101 and smoke-inhibiting flame retardant layer 13, and insulating barrier 15 is coated on outside conductor 101, and smoke-inhibiting flame retardant layer 13 is coated on outside insulating barrier 15.
Conductor 101 adopts naked copper flexible conductor 101 or metal cladding annealed copper conductor 101, and forms for many conductor 101 monofilament are twisted together.Many piece conductors 101 monofilament of conductor 101 for twisting together particularly, wherein conductor 101 monofilament is bare copper wire, tinned copper wire or the silver-gilt copper wire after softening.And the diameter of single copper wire is at 0.09mm ~ 0.12mm, electricapparatus performance is very excellent.In this enforcement, conductor 101 is round conductors 101, and adopt the oxygen-free copper of 99.99% to make, the diameter of single copper wire is 0.1mm.Certainly, in other embodiments, conductor 101 also can adopt flat, with the demand of satisfied different field of employment, as when electric wire being arranged on thin-walled and being inner, selects the conductor 101 of the flat of thinner thickness.
In one embodiment, conductor 101 is made up of six roots of sensation silver-gilt copper wire, to ensure that the silver-gilt copper wire of conductor 101 can be formed rounded configurations arrangement.Conductor 101 can be looped around outside a copper wire by six roots of sensation copper wire, thus form the conductor 101 being roughly circumferential, the shape of cross section of the conductor 101 adopting seven silver-gilt copper wire twistings to obtain close to full circle, Stability Analysis of Structures and the uniform force of every root silver-gilt copper wire; And making shaping conductor 101 surface-brightening, pitch even, conductor 101 external diameter rounding, evenly, without jumping silk, burr, fracture of wire, drawing-down phenomenon.Be understandable that, the quantity of the copper wire of composition conductor 101 can adjust according to actual needs, arranges as long as make conductor 101 can form rounded configurations.
In one embodiment, with reference to Fig. 2, insulating barrier 15 is cylindrical shape, is coated on the outside of conductor 101, and adopts the cable material of high insulation to make, and to meet the requirement of withstand voltage of cable, and the conductor 101 of protection inside is from destruction.In the present embodiment, the outside of each conductor 101 is all coated with insulating barrier 15, then insulating barrier 15 is equal with the number of conductor 101.Insulating barrier 15 is made up of polyvinyl chloride, polyethylene or ethylene-propylene rubber, or insulating barrier 15 also can be made up of the two or more materials in polyvinyl chloride, polyethylene and ethylene-propylene rubber.The thickness of insulating barrier 15 is 0.65nm-0.85mm, and compared with common insulating barrier 15, its thickness reduces half, reduces the quality of cable and does not affect the result of use of cable.In other embodiments, insulating barrier 15 also can adopt other material to make, insulation compound as contour in butadiene-styrene rubber.
Smoke-inhibiting flame retardant layer 13 is located at insulating barrier 15 outer surface by the material painting comprising smoke-inhibiting flame retardant coating and is formed, the advantage such as this smoke-inhibiting flame retardant coating has that purity is high, the super refinement of granularity, fire resistance are good, after organic modification of surface process, effectively solve the interface problem with other organic fillers or base material, and then realize reducing the object that loading improves flame retardant effect.
Packed layer 14 is filled in the gap between cable inner core 11, namely when cable inner core 11 is many, when this multi-cable inner core 11 arranges in oversheath 12, space is had between cable inner core 11 or between oversheath 12 and cable inner core 11, the glass fiber material including high flame retardant is filled in these gaps, forms packed layer 14.Packed layer 14 adopts the wrapped formation of high flame retardant glass fiber material, can prevent flame from internally permeating, and protection cable inner core 11 is from destruction.Preferably the thickness of packed layer 14 is 1.5mm-2.5mm.In other embodiments, packed layer 14, except including high flame retardant glass fiber material, also includes semiconductive water-proofing powder, stops water to vertically move to electric wire, then both made electric wire breakage also can continue conduction in a humidity environment, and strengthened waterproof effect.
Oversheath 12 is important component parts of cable, is coated on outside all cable inner cores 11, is the exterior cover sheets of nanometer smoke-inhibiting flame retardant cable.Oversheath 12 adopts the cable material of high insulation to make, and to meet the requirement of withstand voltage of cable, and protects the cable inner core 11 of cable inside from destruction.In the present embodiment, oversheath 12 can be made up of polyvinyl chloride, polyethylene or ethylene-propylene rubber, and certainly, oversheath 12 also can be made up of the two or more materials in polyvinyl chloride, polyethylene and ethylene-propylene rubber.In other embodiments, insulating barrier 15 also can adopt other material to make, insulation compound as contour in butadiene-styrene rubber.
Oversheath 12 is also provided with one deck and is coated with the smoke-inhibiting flame retardant layer 13 formed at oversheath 12 outer surface by the material comprising smoke-inhibiting flame retardant coating, and concrete material composition is identical with the smoke-inhibiting flame retardant layer 13 of cable inner core 11, just repeats no more here.
In one embodiment, with reference to Fig. 1, the utility model also provides a kind of nanometer smoke-inhibiting flame retardant cable, comprise be made up of polyvinyl chloride oversheath 12, be coated with at the smoke-inhibiting flame retardant layer 13 of oversheath 12 outer surface and the multi-cable inner core 11 that is wrapped in oversheath 12, with reference to Fig. 2, each root cable inner core 11 comprises the conductor 101 and the insulating barrier 15 be made up of polyvinyl chloride be coated on successively on conductor 101 and smoke-inhibiting flame retardant layer 13 that the copper wire bundle be made up of the many oxygen-free coppers that are 99.99% by purity twists, and the diameter of copper wire is 0.10mm; The stranded direction of multi-cable inner core 11 by outer layers towards inner layers be followed successively by " S "-" Z "-" S " to, between cable inner core respectively to direction of lay be those skilled in the art's customary means, do not describe in detail here; Gap between multi-cable inner core 11 is filled with the packed layer 14 be made up of the material comprising high flame retardant glass fiber material.
In the utility model, the oversheath 12 of nanometer smoke-inhibiting flame retardant cable and the insulating barrier 15 of cable inner core 11 adopt the materials such as the polyvinyl chloride of environment-friendly type to make, reach the designing requirement of RoHS environment-friendly cable, advantageously while health and environmental protection, greatly reduce cost; And by being coated with the smoke-inhibiting flame retardant layer 13 that one deck is formed by the material comprising environment-friendly type smoke-inhibiting flame retardant coating at the outer surface of oversheath 12 and the outer surface of cable inner core 11, because this smoke-inhibiting flame retardant coating has the environmental protection simultaneously of smoke-inhibiting flame retardant performance, make the smoke suppressing effect of the nanometer smoke-inhibiting flame retardant cable in the utility model remarkable, flame retardant effect is desirable, can cable be suppressed when breaking out of fire to produce toxic smog by smoke-inhibiting flame retardant layer 13, and reduce the possibility of cable fire, improve visibility and the fail safe of scene of fire, be conducive to the safe escape of personnel.
The above is only preferred implementation of the present utility model; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (9)
1. a nanometer smoke-inhibiting flame retardant cable, comprise oversheath (12) and be wrapped at least one cable inner core (11) in described oversheath (12), it is characterized in that, cable inner core (11) described in each root comprises conductor (101) and the insulating barrier (15) that is coated on successively on described conductor (101) and smoke-inhibiting flame retardant layer (13), and described oversheath (12) outer surface is provided with at least one deck smoke-inhibiting flame retardant layer (13), the thickness of described insulating barrier (15) is 0.6mm ~ 1mm.
2. a kind of nanometer smoke-inhibiting flame retardant cable as claimed in claim 1, is characterized in that, described smoke-inhibiting flame retardant layer (13) is made up of the material comprising smoke-inhibiting flame retardant coating.
3. a kind of nanometer smoke-inhibiting flame retardant cable as claimed in claim 1, it is characterized in that, when described cable inner core (11) is for many, gap between many described cable inner cores (11) has packed layer (14), and described packed layer (14) comprises high flame retardant glass fiber material.
4. a kind of nanometer smoke-inhibiting flame retardant cable as claimed in claim 1, is characterized in that, the thickness of described oversheath (12) is 0.65mm ~ 0.85mm.
5. a kind of nanometer smoke-inhibiting flame retardant cable as claimed in claim 1, it is characterized in that, when described cable inner core (11) is for many, the stranded direction of many described cable inner cores (11) by outer layers towards inner layers be followed successively by " S "-" Z "-" S " to.
6. a kind of nanometer smoke-inhibiting flame retardant cable as claimed in claim 1, is characterized in that, described conductor (101) is twisted by many copper wire bundles and forms, and the diameter of described copper wire is 0.09mm ~ 0.12mm.
7. a kind of nanometer smoke-inhibiting flame retardant cable as claimed in claim 1, is characterized in that, the radical of described cable inner core (11) is 2-61 root.
8. a kind of nanometer smoke-inhibiting flame retardant cable as claimed in claim 1, is characterized in that, described insulating barrier (15) and oversheath (12) layer are made up of polyvinyl chloride, polyethylene or ethylene-propylene rubber.
9. a nanometer smoke-inhibiting flame retardant cable, it is characterized in that, comprise the oversheath (12) be made up of polyvinyl chloride, the smoke-inhibiting flame retardant layer (13) that painting is located at described oversheath (12) outer surface and the multi-cable inner core (11) be wrapped in described oversheath (12), cable inner core (11) described in each root comprises the conductor (101) and the insulating barrier (15) be made up of polyvinyl chloride be coated on successively on described conductor (101) and smoke-inhibiting flame retardant layer (13) that the copper wire bundle be made up of the many oxygen-free coppers that are 99.99% by purity twists, the diameter of described copper wire is 0.10mm, the stranded direction of many described cable inner cores (11) by outer layers towards inner layers be followed successively by " S "-" Z "-" S " to, gap between many described cable inner cores (11) is filled with the packed layer (14) be made up of the material comprising high flame retardant glass fiber material.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420867652.0U CN204632397U (en) | 2014-12-31 | 2014-12-31 | A kind of nanometer smoke-inhibiting flame retardant cable |
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| CN201420867652.0U CN204632397U (en) | 2014-12-31 | 2014-12-31 | A kind of nanometer smoke-inhibiting flame retardant cable |
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| CN204632397U true CN204632397U (en) | 2015-09-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105810337A (en) * | 2014-12-31 | 2016-07-27 | 安徽联嘉祥特种电缆有限公司 | Nano smoke-suppressant flame-retardant cable and manufacturing method thereof |
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- 2014-12-31 CN CN201420867652.0U patent/CN204632397U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105810337A (en) * | 2014-12-31 | 2016-07-27 | 安徽联嘉祥特种电缆有限公司 | Nano smoke-suppressant flame-retardant cable and manufacturing method thereof |
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