CN205722936U - A kind of fire safety multicore cable - Google Patents
A kind of fire safety multicore cable Download PDFInfo
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- CN205722936U CN205722936U CN201620378571.3U CN201620378571U CN205722936U CN 205722936 U CN205722936 U CN 205722936U CN 201620378571 U CN201620378571 U CN 201620378571U CN 205722936 U CN205722936 U CN 205722936U
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Abstract
This utility model belongs to technical field of cables, particularly relate to a kind of fire safety multicore cable, including two to five cable cores, it is coated with wrapped internal layer outside cable core successively, extrudes set, wrapped outer layer and interlocking aluminum set, being filled with packed layer between cable core and wrapped internal layer, described cable core is disposed with conductor, Ceramic Composite band and phlogopite composite band from the inside to the outside.Fire safety multicore cable of the present utility model is by arranging structure and the materials of Integral cable, double-deck wrapped fireprotection layer is set and effectively strengthens fireproofing of cable performance, it is coated with simultaneously and extrudes set and interlocking aluminum set, cable electrical and mechanical performance can be effectively increased, it is greatly increased practicality, being suitable for the public place of entertainment that fire safety demands is high, densely populated, service life is long.
Description
Technical field
This utility model relates to cable technology, is specifically related to a kind of fire safety multicore cable.
Background technology
At present, during cable is widely used in electric power, communication and associated transport engineering, it is common that by several or several groups of wire often groups
The cable of at least two stranded similar ropes, often mutually insulated between group wire, and be often twisted into round a center,
Whole outside is surrounded by the cover layer of high-insulation, and cable of the prior art does not have good fire line and resistance to pressure, is sending out
Calamity of lighting a fire or special producing need fire-resistant pressure in the environment of time, common cable is easy to melt, and to exposing conductor, causes electric
Power accident or make power failure, in some instances it may even be possible to cause serious fire-fighting unexpected.
According to statistics, the annual breaking out of fire of China about more than ten ten thousand, direct property loss more than 10 hundred million yuan.Existing fireproof cable
All have employed copper sheath structure, had a strong impact on the bending radius of cable, although have clear improvement, but its in bending radius and
This biggest well space is also had in fire prevention quality.Wherein, the most former by electric wire short circuit, over loading, electric equipment fault etc.
Fire because causing accounts for the 30% of sum, the frequency of electrical fire and the loss caused and all occupies first of all kinds of fire.
In electrical fire, electric wire the fire caused accounts for half.If using the core in big line footpath to prevent cable super negative
Lotus, can cause the resistance of conductor to increase, and increases loss power, wastes the energy.Therefore high to fire protection requirement, densely populated
Public place of entertainment, it is quite necessary to a kind of fire safety multicore cable of research and development.
Summary of the invention
The purpose of this utility model is for above-mentioned deficiency of the prior art, it is provided that fire safety of the present utility model is many
Core cable, by arranging structure and the materials of Integral cable, arranges double-deck wrapped fireprotection layer and effectively strengthens fireproofing of cable
Can, it is coated with simultaneously and extrudes set and interlocking aluminum set, cable electrical and mechanical performance can be effectively increased, be greatly increased practicality, can
The public place of entertainment high, densely populated for fire safety demands, service life is long.
The purpose of this utility model is achieved through the following technical solutions:
A kind of fire safety multicore cable, including two to five cable cores, described cable core be disposed with from the inside to the outside conductor,
Ceramic Composite band and phlogopite composite band, be coated with wrapped internal layer the most successively, extrude set, wrapped outer layer outside cable core
And interlocking aluminum set, between cable core and wrapped internal layer, it is filled with packed layer.
Described conductor is oxygen-free copper-wire, a diameter of 6-10mm.
Described Ceramic Composite band is Ceramic silicon rubber band, dielectric constant >=22kV/mm during Ceramic silicon rubber 20 DEG C,
Specific insulation >=2 × 1014Ω .cm, thickness is 0.3-0.5mm.
Dielectric strength >=25kV/mm during described phlogopite composite band 20 DEG C, specific insulation >=1 × 1016Ω .cm is thick
Degree is 1.2-1.6mm.
Described packed layer is glass fiber layer, and proportion is at 1.6-2.0g/cm3。
Described wrapped internal layer is gold mica tape lapping layer, and thickness is 0.3-0.5mm.
Described extruding set and extrude aluminum set for be welded into tubulose with argon arc welding, extruding aluminum set thickness is 0.3-0.5mm.
Described wrapped outer layer is gold mica tape lapping layer, and interlocking aluminum set is corrugated tube.
It is provided with calcium carbonate layer between described wrapped outer layer and interlocking aluminum set.
The beneficial effects of the utility model:
1. insulating barrier has excellent fire protecting performance and insulating properties, and anti-flammability, fire resistance, heat insulation warm nature and toughness are excellent
Different: do not absorb water, nonhygroscopic, do not fall off, c >=22kV/mm under room temperature, specific insulation >=2 × 1014Ω.cm；After ablation hard
Armour body end face can generate uniform micropore, the dielectric strength of ceramic armour body be more than 24 more than kV/mm, specific insulation is big
In 2 × 1015More than Ω .cm；Vertically, horizontal firing do not prolong combustion, anti-flammability is up to V-0 level, and oxygen index (OI) is up to more than 43；At 350-
In the case of 3000 DEG C have flame, nonflame, can burn till hard ceramic-like armour body, temperature is the highest, pottery after ablation time the longest burning
Shape armour body is the hardest, and residue is ceramic inorganic thing, and residual volume, up to more than 80%, does not falls off, and ceramic-like armour body can rise simultaneously
To good fire insulation effect of heat insulation；After ablation, section can generate uniform micropore, can play extraordinary heat insulation, thermal insulation, shelves fire
Effect；Flame retardant type Ceramic flower fire-resistant composite band hot strength is high, and the armour body crooked breaking strength after ablation is up to about 10MPa.
2. the cable of preparation has high and low temperature resistance excellence: at a temperature of-70-200 DEG C, have excellent softness
Property, electrical property and mechanical performance, can be with round-the-clock life-time service；Under quiescent conditions, maximum operation (service) temperature is up to 350-1000
More than DEG C；
3. the sustainable formula of preparation technology produces: can be the most wrapped as mica tape, and bending radius is little, lays simplicity,
Endless can be produced continuously, not fall off；
4. there is safety and the feature of environmental protection of excellence: do not prolong combustion, do not drip, the most brittle, do not fall off, flue gas after burning is malicious
Property reach ZA1 level, i.e. white mice sucks after flue gas 30min, within three days, is not changed in, and all human body will not be caused secondary injury；
Smoke density light transmittance is up to more than 80%；Raw material Halogen, nontoxic, tasteless, heavy metal free, more than the requirement of ROSH standard；
5. there is Economic contrast advantage: density 1.45, simple process, production efficiency is high.
Accompanying drawing explanation
Utilize accompanying drawing that utility model is described further, but the embodiment in accompanying drawing is not constituted of the present utility model
What limits, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to according to the following drawings
Obtain other accompanying drawing.
Fig. 1 is the structural representation of embodiment 1 of the present utility model.
Fig. 2 is the structural representation of embodiment 2 of the present utility model.
Fig. 3 is the structural representation of embodiment 3 of the present utility model.
Fig. 4 is the structural representation of embodiment 4 of the present utility model.
Reference includes: 1 conductor, 2 Ceramic Composite bands, 3 phlogopite composite band, 4 packed layers, 5 wrapped internal layers, 6 extrude
Set, 7 wrapped outer layers, 8 interlocking aluminum sets.
Detailed description of the invention
With the following Examples this utility model is further described.
Embodiment 1
A kind of fire safety multicore cable as shown in Figure 1, including two cable cores, described cable core sets gradually from the inside to the outside
There are conductor 1, Ceramic Composite band 2 and phlogopite composite band 3, are coated with wrapped internal layer 5 outside cable core the most successively, extrude
Set 6, wrapped outer layer 7 and interlocking aluminum set 8, be filled with packed layer 4 between cable core and wrapped internal layer.
Cable core of the present utility model uses multiple structure, and fire protecting performance is excellent, is suitable for fire protection requirement high, densely populated public affairs
Place altogether, and cable core internal layer is provided with double-layer structure, and Ceramic Composite band 2 insulation high-temperature-resistant performance is good, direct with cable core conductor 1
Contact can play insulating effect well, prevent electric leakage, phlogopite composite band 3 have high electrical insulating property, antiacid caustic corrosion,
Elastic, the characteristic of toughness, and thermal coefficient of expansion is little, with Ceramic Composite band 2 be used together can, be greatly increased insulating properties and every
Hot property, fire protecting performance is excellent, and after ablation, section can generate uniform micropore, can play extraordinary heat insulation, thermal insulation, shelves
Fire effect.By arranging structure and the materials of Integral cable, make cable at a temperature of-70-200 DEG C, there is excellent softness
Property, electrical property and mechanical performance, can be with round-the-clock life-time service；Under quiescent conditions, maximum operation (service) temperature is up to 350-1000
More than DEG C.
The conductor 1 of the present embodiment is oxygen-free copper-wire, a diameter of 6mm, and the copper content of oxygen-free copper-wire is up to 99.95%, during transmission
Resistance is relatively small, is difficult to electric energy is lost, is difficult to heating.
The Ceramic Composite band 2 of the present embodiment is Ceramic silicon rubber band, dielectric constant during Ceramic silicon rubber 20 DEG C >=
22kV/mm, specific insulation >=2 × 1014Ω .cm, anti-flammability reaches V-0 level, and thickness is 0.3mm, and Ceramic silicon rubber is vertical, water
Combustion, good flame resistance are not prolonged in flat burning, and oxygen index (OI) is up to more than 43；In the case of having flame, nonflame at 350-3000 DEG C, can burn till hard
Ceramic-like armour body, temperature is the highest, ceramic-like armour body after ablation time the longest burning is the hardest, and residue is ceramic inorganic thing,
Residual volume up to more than 80%, do not absorb water, nonhygroscopic, do not fall off, the armour body crooked breaking strength after ablation is up to about 10MPa.
Dielectric strength >=25kV/mm during the phlogopite composite band of the present embodiment 320 DEG C, specific insulation >=1 × 1016
Ω .cm, thickness is 1.2mm, and phlogopite composite band 3 has high electrical insulating property, antiacid caustic corrosion, elasticity, the characteristic of toughness,
And thermal coefficient of expansion is little.
The packed layer 4 of the present embodiment is glass fiber layer, and proportion is at 1.6g/cm3, this is a kind of excellent performance
Inorganic Non-metallic Materials, of a great variety, advantage is good insulating, thermostability is strong, corrosion resistance good, and mechanical strength is high, glass fibers
When tieing up the supporting material application as strengthening cable, maximum feature is that tensile strength is big.Tensile strength is in normal conditions
6.3～6.9 g/d, moisture state 5.4～5.8 g/d, density 2.54.Heat-resist, temperature there is not shadow to intensity when reaching 300 DEG C
Ring.There is excellent electrical insulating property, be senior electrically insulating material, be also used for adiabator and fire-proof shield material, it is possible to prevent
Daily alkali and the corrosion of acid.
The wrapped internal layer 5 of the present embodiment is gold mica tape lapping layer, and thickness is 0.3mm, and this wrapped internal layer 5 is arranged at cable core
Inside, also trap heat while separating cable core internal layer and cable core outer layer.
The set 6 that extrudes of the present embodiment extrudes aluminum set for be welded into tubulose with argon arc welding, and extruding aluminum set thickness is 0.3mm,
The quality of aluminum is soft, can ensure that the overall flexibility of cable while providing opposing mechanical performance for cable.
The wrapped outer layer 7 of the present embodiment is gold mica tape lapping layer, the phlogopite of the wrapped outer layer of outermost layer 7 during ignition of cable
Band lapping layer plays flame retardant effect at first, and has combustion of going out, and stops the further burning of the intensity of a fire, arranges wrapped internal layer simultaneously
5, form double flame-retardant layer, fire protecting performance is more excellent.
The interlocking aluminum set 8 of the present embodiment is corrugated tube, and aluminum set has excellent shielding properties, can anti-electromagnetic wave interference；Tool
There is explosion-proof, moistureproof, fire-retardant or fire resistance, and be readily bent, make the satisfactory mechanical property of cable.
Being provided with calcium carbonate layer between wrapped outer layer and the interlocking aluminum set of the present embodiment, calcium carbonate is white solid,
Can decompose when 825～896.6 DEG C, be decomposed into calcium oxide and carbon dioxide when about 825 DEG C, the carbon dioxide of generation can stop fire
Burn further in source, thus certain fireproofing function that gets up, the fusing point of calcium carbonate 1339 DEG C, when temperature is not above fusing point, carbon
Acid calcium can play certain supporting role.
Embodiment 2
A kind of fire safety multicore cable as shown in Figure 2, including three cable cores, described cable core sets gradually from the inside to the outside
There are conductor 1, Ceramic Composite band 2 and phlogopite composite band 3, are coated with wrapped internal layer 5 outside cable core the most successively, extrude
Set 6, wrapped outer layer 7 and interlocking aluminum set 8, be filled with packed layer 4 between cable core and wrapped internal layer.
The conductor 1 of the present embodiment is oxygen-free copper-wire, a diameter of 8mm.
The Ceramic Composite band 2 of the present embodiment is Ceramic silicon rubber band, dielectric constant during Ceramic silicon rubber 20 DEG C >=
22kV/mm, specific insulation >=2 × 1014Ω .cm, anti-flammability reaches V-0 level, and thickness is 0.4mm.
Dielectric strength >=25kV/mm during the phlogopite composite band of the present embodiment 320 DEG C, specific insulation >=1 × 1016
Ω .cm, thickness is 1.4mm.
Described packed layer 4 is glass fiber layer, and proportion is at 1.8g/cm3。
The wrapped internal layer 5 of the present embodiment is gold mica tape lapping layer, and thickness is 0.4mm.
The set 6 that extrudes of the present embodiment extrudes aluminum set for be welded into tubulose with argon arc welding, and extruding aluminum set thickness is 0.4mm.
Remaining content of the present embodiment is same as in Example 1, repeats no more here.
Embodiment 3
A kind of fire safety multicore cable as shown in Figure 3, including four cable cores, described cable core sets gradually from the inside to the outside
There are conductor 1, Ceramic Composite band 2 and phlogopite composite band 3, are coated with wrapped internal layer 5 outside cable core the most successively, extrude
Set 6, wrapped outer layer 7 and interlocking aluminum set 8, be filled with packed layer 4 between cable core and wrapped internal layer.
The conductor 1 of the present embodiment is oxygen-free copper-wire, a diameter of 10mm.
The Ceramic Composite band 2 of the present embodiment is Ceramic silicon rubber band, dielectric constant during Ceramic silicon rubber 20 DEG C >=
22kV/mm, specific insulation >=2 × 1014Ω .cm, anti-flammability reaches V-0 level, and thickness is 0.5mm.
Dielectric strength >=25kV/mm during the phlogopite composite band of the present embodiment 320 DEG C, specific insulation >=1 × 1016
Ω .cm, thickness is 1.6mm.
Described packed layer 4 is glass fiber layer, and proportion is at 2.0g/cm3。
The wrapped internal layer 5 of the present embodiment is gold mica tape lapping layer, and thickness is 0.5mm.
The set 6 that extrudes of the present embodiment extrudes aluminum set for be welded into tubulose with argon arc welding, and extruding aluminum set thickness is 0.5mm.
Remaining content of the present embodiment is same as in Example 1, repeats no more here.
Embodiment 4
A kind of fire safety multicore cable as shown in Figure 4, including five cable cores, described cable core sets gradually from the inside to the outside
There are conductor 1, Ceramic Composite band 2 and phlogopite composite band 3, are coated with wrapped internal layer 5 outside cable core the most successively, extrude
Set 6, wrapped outer layer 7 and interlocking aluminum set 8, be filled with packed layer 4 between cable core and wrapped internal layer.
The conductor 1 of the present embodiment is oxygen-free copper-wire, a diameter of 10mm.
The Ceramic Composite band 2 of the present embodiment is Ceramic silicon rubber band, dielectric constant during Ceramic silicon rubber 20 DEG C >=
22kV/mm, specific insulation >=2 × 1014Ω .cm, anti-flammability reaches V-0 level, and thickness is 0.5mm.
Dielectric strength >=25kV/mm during the phlogopite composite band of the present embodiment 320 DEG C, specific insulation >=1 × 1016
Ω .cm, thickness is 1.6mm.
Described packed layer 4 is glass fiber layer, and proportion is at 2.0g/cm3。
The wrapped internal layer 5 of the present embodiment is gold mica tape lapping layer, and thickness is 0.5mm.
The set 6 that extrudes of the present embodiment extrudes aluminum set for be welded into tubulose with argon arc welding, and extruding aluminum set thickness is 0.5mm.
Remaining content of the present embodiment is same as in Example 1, repeats no more here.
Last it should be noted that, above example is only in order to illustrate the technical solution of the utility model, rather than to this reality
With the restriction of novel protected scope, although having made to explain to this utility model with reference to preferred embodiment, this area general
Logical it will be appreciated by the skilled person that the technical solution of the utility model can be modified or equivalent, without deviating from this
The spirit and scope of utility model technical scheme.
Claims (9)
1. a fire safety multicore cable, it is characterised in that: include that two to five cable cores, every described cable core depend on from the inside to the outside
Secondary it is provided with conductor, Ceramic Composite band and phlogopite composite band, is coated with wrapped internal layer outside cable core the most successively, squeezes
Jacket, wrapped outer layer and interlocking aluminum set, be filled with packed layer between two to five cable cores and wrapped internal layer.
A kind of fire safety multicore cable the most according to claim 1, it is characterised in that: described conductor is oxygen-free copper-wire,
A diameter of 6-10mm.
A kind of fire safety multicore cable the most according to claim 1, it is characterised in that: described Ceramic Composite band is pottery
SiClx rubber strip, thickness is 0.3-0.5mm.
A kind of fire safety multicore cable the most according to claim 1, it is characterised in that: the thickness of described phlogopite composite band
Degree is 1.2-1.6mm.
A kind of fire safety multicore cable the most according to claim 1, it is characterised in that: described packed layer is glass fibre
Material layer.
A kind of fire safety multicore cable the most according to claim 1, it is characterised in that: described wrapped internal layer is phlogopite
Band lapping layer, thickness is 0.3-0.5mm.
A kind of fire safety multicore cable the most according to claim 1, it is characterised in that extrude set described in: for using argon arc welding
Be welded into tubulose extrudes aluminum set, and the thickness extruding aluminum set is 0.3-0.5mm.
A kind of fire safety multicore cable the most according to claim 1, it is characterised in that: described wrapped outer layer is phlogopite
Band lapping layer, interlocking aluminum set is corrugated tube.
A kind of fire safety multicore cable the most according to claim 1, it is characterised in that: described wrapped outer layer and interlocking aluminum
Calcium carbonate layer it is provided with between set.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620378571.3U CN205722936U (en) | 2016-04-29 | 2016-04-29 | A kind of fire safety multicore cable |
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| CN201620378571.3U CN205722936U (en) | 2016-04-29 | 2016-04-29 | A kind of fire safety multicore cable |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108695013A (en) * | 2018-05-25 | 2018-10-23 | 浙江汉维通信器材有限公司 | A kind of dual fire-retardant water-blocking LAN cable |
-
2016
- 2016-04-29 CN CN201620378571.3U patent/CN205722936U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108695013A (en) * | 2018-05-25 | 2018-10-23 | 浙江汉维通信器材有限公司 | A kind of dual fire-retardant water-blocking LAN cable |
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