CN203931587U - fire-resistant wire and cable - Google Patents
fire-resistant wire and cable Download PDFInfo
- Publication number
- CN203931587U CN203931587U CN201320864068.5U CN201320864068U CN203931587U CN 203931587 U CN203931587 U CN 203931587U CN 201320864068 U CN201320864068 U CN 201320864068U CN 203931587 U CN203931587 U CN 203931587U
- Authority
- CN
- China
- Prior art keywords
- cable
- fire
- oversheath
- conductor
- resistant wire
- 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.)
- Expired - Fee Related
Links
- 230000009970 fire resistant effect Effects 0.000 title claims abstract description 27
- 239000004020 conductor Substances 0.000 claims abstract description 37
- 239000000919 ceramic Substances 0.000 claims abstract description 18
- 230000004888 barrier function Effects 0.000 claims abstract description 17
- 239000000463 material Substances 0.000 claims abstract description 17
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 16
- 239000010949 copper Substances 0.000 claims description 10
- 229910052802 copper Inorganic materials 0.000 claims description 10
- 239000003063 flame retardant Substances 0.000 claims description 9
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 6
- 239000003365 glass fiber Substances 0.000 claims description 5
- 229920000181 Ethylene propylene rubber Polymers 0.000 claims description 4
- 239000004698 Polyethylene Substances 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- -1 polyethylene Polymers 0.000 claims description 4
- 229920000573 polyethylene Polymers 0.000 claims description 4
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 4
- 239000004800 polyvinyl chloride Substances 0.000 claims description 4
- 239000010410 layer Substances 0.000 abstract description 16
- 239000011241 protective layer Substances 0.000 abstract description 10
- 229920000260 silastic Polymers 0.000 abstract description 8
- 238000002679 ablation Methods 0.000 abstract description 3
- 230000002421 anti-septic effect Effects 0.000 abstract description 3
- 238000010292 electrical insulation Methods 0.000 abstract description 3
- 229920002379 silicone rubber Polymers 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
- 238000009413 insulation Methods 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 239000010445 mica Substances 0.000 description 3
- 229910052618 mica group Inorganic materials 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 description 2
- 230000034994 death Effects 0.000 description 2
- 231100000517 death Toxicity 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 229920002545 silicone oil Polymers 0.000 description 2
- 235000002918 Fraxinus excelsior Nutrition 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical group [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 description 1
- 229910021502 aluminium hydroxide Inorganic materials 0.000 description 1
- 230000003712 anti-aging effect Effects 0.000 description 1
- 239000002956 ash Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- YCKOAAUKSGOOJH-UHFFFAOYSA-N copper silver Chemical compound [Cu].[Ag].[Ag] YCKOAAUKSGOOJH-UHFFFAOYSA-N 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- XQSFXFQDJCDXDT-UHFFFAOYSA-N hydroxysilicon Chemical compound [Si]O XQSFXFQDJCDXDT-UHFFFAOYSA-N 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 1
- 239000000347 magnesium hydroxide Substances 0.000 description 1
- 229910001862 magnesium hydroxide Inorganic materials 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 235000012771 pancakes Nutrition 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
Landscapes
- Insulated Conductors (AREA)
Abstract
A fire-resistant wire and cable, comprises oversheath and is coated at least one cable inner core in described oversheath, described in each, cable inner core comprises conductor and is coated on the insulating barrier outside described conductor, and described oversheath is ceramic silastic-layer.By form the oversheath protective layer of being made by ceramic silastic material outside conductor, when occurring compared with conflagration, can form the hard protective layer of one deck at the outer surface of cable inner core, protection circuit does not open circuit, not short circuit; And the hard ceramic-like shell forming does not ftracture under the flame ablation of 900 ℃ of X 90min, extend cable in the service time of fire condition, for rescue and relief work provides the more time.This fire-resistant wire and cable has high-and low-temperature resistance performance, antiseptic property, fire resistance and good electrical insulation properties, and the scope of application is wide, is more suitable for especially for the severe place of environment.
Description
Technical field
The utility model relates to power cable technical field, more particularly, relates to a kind of fire-resistant wire and cable.
Background technology
Along with the continuous progress of society, the raising of living standards of the people, people more and more pay attention to the safety in life, but people are when pursuing high-quality life, enjoying the clustering lives such as emporium, grand theater, fire safety is also more and more important and urgent, reporting of comprehensive each conflagration, the wherein spontaneous combustion of electric wire and the fire that causes accounts for significant proportion.
And in fire again because the reason of electric wire causes the ratio of personnel self injures and deaths also to occupy very large ratio, for example, the electric wire generation electric power transfer of bearing electric power transfer after fire occurs in very short time is interrupted, cause elevator, illumination cisco unity malfunction, and people are tried in any path one could without heeding which one chose, cause injures and deaths.
What conventionally fire-resisting cable adopted is that Mica tape is made oversheath, and not only production efficiency is low, and controls that difficulty is large, reliability is low, and mica tape can not bear too high voltage, and hardening after burning, embrittlement, be easy to come off.Once breaking out of fire, mica layer is easy to powder and comes off, and has lost protective effect, and can not bear water and drench, clash into, thereby has affected safe and smooth under fire condition of communication, electric power.
Utility model content
The technical problems to be solved in the utility model is, the caducous defect of oversheath for the above-mentioned fire-resistant wire and cable of prior art, provides a kind of fire-resistant wire and cable that can form rigid shell when fire occurs.
The utility model solves the technical scheme that its technical problem adopts: a kind of fire-resistant wire and cable, comprise oversheath and be coated at least one cable inner core in described oversheath, described in each, cable inner core comprises conductor and is coated on the insulating barrier outside described conductor, and described oversheath is ceramic silastic-layer.
At fire-resistant wire and cable described in the utility model, the thickness of described oversheath is 0.6mm-0.8mm.
At fire-resistant wire and cable described in the utility model, described cable inner core is three, and three described cable inner cores twist together according to default lay and direction.
At fire-resistant wire and cable described in the utility model, when described cable inner core is many, the gap between many described cable inner cores is filled with packed layer.
At fire-resistant wire and cable described in the utility model, the thickness of described packed layer is 1.5mm-2.5mm.
At fire-resistant wire and cable described in the utility model, described packed layer adopts the wrapped formation of high flame retardant glass fiber material.
At fire-resistant wire and cable described in the utility model, described insulating barrier is made by polyvinyl chloride, polyethylene or ethylene-propylene rubber.
At fire-resistant wire and cable described in the utility model, the thickness of described insulating barrier is 0.3mm-0.8mm.
At fire-resistant wire and cable described in the utility model, described conductor is exposed copper conductor, tinned copper conductor or silver-plated copper conductor.
Implement fire-resistant wire and cable of the present utility model, there is following beneficial effect: by form the oversheath protective layer of being made by ceramic silastic material outside conductor, when occurring compared with conflagration, can form the hard protective layer of one deck at the outer surface of cable inner core, protection circuit does not open circuit, not short circuit; And the hard ceramic-like shell forming does not ftracture under the flame ablation of 900 ℃ of X 90min, extend cable in the service time of fire condition, for rescue and relief work provides the more time.This fire-resistant wire and cable has high-and low-temperature resistance performance, antiseptic property, fire resistance and good electrical insulation properties, and the scope of application is wide, is more suitable for especially for the severe place of environment.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing:
Fig. 1 is the structural representation of the fire-resistant wire and cable that provides of the utility model preferred embodiment.
Embodiment
In order to solve oversheath hardening after burning that the electric wire of prior art exists, become fragile, caducous defect; the utility model adopts ceramic silastic material to make oversheath; when running into fire; the oversheath of being made by ceramic silicon rubber can be burnt the housing that changes into ceramic-like in a short period of time; thereby outer surface forms the hard protective layer of one deck; protect inner conductor not to be damaged, can transmit electricity normally.
For technical characterictic of the present utility model, object and effect being had more clearly, understand, now contrast accompanying drawing and describe embodiment of the present utility model in detail.
As shown in Figure 1, the fire-resistant wire and cable that the utility model preferred embodiment provides, comprises oversheath 1, cable inner core 2 and packed layer 3, and wherein, cable inner core 2 and packed layer 3 are all coated in oversheath 1.
Cable inner core 2 is at least one, and cable inner core 2 can be one, two or more, specifically according to the needs of circuit, determine, and all cable inner cores 2 is all coated on the inside of oversheath 2.When cable inner core 2 is many, the shape of this multi-cable inner core 2, size can be identical, also can be different, and as cable inner core 2 can be circle, pancake or square etc.In present embodiment, cable inner core 2 is three, the size of these three cable inner cores 2 equates and is circle, three cable inner cores 2 twist together according to default lay and direction, wherein default lay is between 60mm-100mm, and stranded direction is serpentine or " Z " shape, and it is leg-of-mutton structure that three cable inner cores 2 in the present embodiment are twisted into cross section according to the lay of 80mm and serpentine, be appreciated that cable inner core 2 also can carry out stranded according to alternate manner.
Each cable inner core 2 comprises conductor 21 and insulating barrier 22, and insulating barrier 22 is coated on conductor 21 outsides.
Conductor 21 adopts exposed copper conductor, tinned copper conductor or silver-plated copper conductor, and forms for many conductor monofilament are twisted together.Conductor 21 is many conductor monofilament that twist together particularly, and wherein conductor monofilament is bare copper wire, tinned copper wire or the silver-gilt copper wire after softening.And bare copper wire, tinned copper wire or silver-gilt copper wire all adopt high purity oxygen free copper material, electricapparatus performance is very good.The conductor 21 of the present embodiment is round conductor, and is the multiply conductor of perpendicular strand.
Insulating barrier 22 is cylindric, is coated on the outside of conductor 21, and adopts the cable material of high insulation to make, and to meet the requirement of withstand voltage of cable, and protects inner conductor 21 to avoid destroying.In the present embodiment, the outside of each conductor 21 is all coated with insulating barrier 22, and insulating barrier 22 equates with the number of conductor 21.Insulating barrier 22 is made by polyvinyl chloride, polyethylene or ethylene-propylene rubber, or insulating barrier 22 also can be made by the two or more materials in polyvinyl chloride, polyethylene and ethylene-propylene rubber.The thickness of insulating barrier 22 is 0.3mm-0.8mm, compare with common insulating barrier, its thickness reduction half, reduced the quality of cable and do not affected the result of use of cable.In other embodiments, insulating barrier 22 also can adopt other material to make, insulation compound as contour in butadiene-styrene rubber.
Packed layer 3 is filled in the gap between cable inner core 2, and, when cable inner core 2 is many, this multi-cable inner core 2, when the interior arrangement of oversheath 1, has space between cable inner core 2 or between oversheath 1 and cable inner core 2.The glass fiber material that includes high flame retardant is filled in these gaps, forms packed layer 3.Packed layer 3 adopts the wrapped formation of high flame retardant glass fiber material, can prevent that flame is to internal penetration, and protection cable inner core 2 is avoided destroying.Preferably the thickness of packed layer 3 is 1.5mm-2.5mm.In other embodiments, packed layer 3, except including high flame retardant glass fiber material, also includes semiconductive water-proofing powder, stops water to vertically move to electric wire, under moist environment, has both made electric wire breakage also can continue conduction, strengthens waterproof effect.
Oversheath 1 is the important component part of cable, is coated on all cable inner core 2 outsides, is the outermost layer of electric wire.In the present embodiment, oversheath 1 is made by ceramic silastic material, forms and is coated on the ceramic silastic-layer outside all cable inner cores 1, and the thickness of oversheath 1 is 0.6mm-0.8mm.Ceramic silicon rubber is a kind of novel polymer composite, not only possesses outside high temperature resistant, anti-aging, the good features such as electrical property of ordinary silicon rubber; The feature also with fire-retardant, Halogen, low cigarette, during burning, non-corrosiveness and poisonous gas produce, can not cause secondary harm to people; And when by flame calcination, can sinter hard ceramic-like shell into, can bear certain water spray and the vibrations of some strength, play the effect of insulation and fire prevention fire insulation, guarantee that circuit does not open circuit, not short circuit, for fire protection provides necessary prerequisite guarantee.
Particularly, ceramic silastic material comprises that the raw material of following parts by weight makes: silicon rubber 90-110 part, Vitrified powder 35-70 part, fire retardant 30-45 part and silicone oil 20-40 part, wherein fire retardant is aluminium hydroxide or magnesium hydroxide, Vitrified powder is silicon dioxide, silicon oil viscosity is 20～800 centipoises, as methyl-silicone oil, hydroxy silicon oil etc.The ceramic silicon rubber that adopts this kind of formula to make, take silicon rubber as main component, by adding anti-flammability and fire resistance is superior and can form the additive of ceramic, makes its mechanical performance, fire resistant flame retardant performance etc. reach best.Adopt the ceramic silicon rubber of this formula after burning test, can form hard housing, do not come off, protect inner conductor 21 not suffer a loss, guarantee transmission of electricity normally.The oversheath 1 that adopts ceramic silastic material to make can be at 750～900 ℃, and more than flame 90min burning under the time makes oversheath 1 change into the housing of ceramic-like, rather than burnt till powdery ashes.The housing of this ceramic-like forms the hard protective layer of one deck, and this protective layer stops burning away of flame, plays the effect of isolated extraneous flame, thereby protects inner conductor 21 not to be damaged, and can transmit electricity normally.
Fire-resistant wire and cable of the present utility model; oversheath 1 is used ceramic silastic material to form ceramic silastic-layer; when cable runs into fire; oversheath 1 can be burnt the housing that changes into ceramic-like in a short period of time; thereby the outer surface at cable inner core 2 forms the hard protective layer of one deck; protect inner cable inner core 2 not to be damaged, can transmit electricity normally and extend the useful life of cable.
The utility model, by oversheath 1 protective layer of being made by ceramic silastic material in the outer formation of conductor 21, when occurring compared with conflagration, can form the hard protective layer of one deck at the outer surface of cable inner core 2, and protection circuit does not open circuit, not short circuit; And the hard ceramic-like shell forming does not ftracture under the flame ablation of 900 ℃ of X 90min, extend cable in the service time of fire condition, for rescue and relief work provides the more time.And this fire-resistant wire and cable has high-and low-temperature resistance performance, antiseptic property, fire resistance and good electrical insulation properties, and the scope of application is wide, for the severe place of environment, be more suitable for especially.
By reference to the accompanying drawings embodiment of the present utility model is described above; but the utility model is not limited to above-mentioned embodiment; above-mentioned embodiment is only schematic; rather than restrictive; those of ordinary skill in the art is under enlightenment of the present utility model; not departing from the scope situation that the utility model aim and claim protect, also can make a lot of forms, within these all belong to protection of the present utility model.
Claims (4)
1. a fire-resistant wire and cable, it is characterized in that, comprise oversheath (1) and be coated on the three cable inner cores (2) in described oversheath (1), it is leg-of-mutton structure that three described cable inner cores (2) are twisted into cross section according to the lay of 80mm and S shape, described in each, cable inner core (2) comprises conductor (21) and is coated on the outer insulating barrier (22) of described conductor (21), described oversheath (1) is ceramic silastic-layer, and the thickness of described oversheath (1) is 0.6mm-0.8mm; Gap between three described cable inner cores (2) is filled with packed layer (3), and described packed layer (3) adopts the wrapped formation of high flame retardant glass fiber material, and the thickness of described packed layer (3) is 1.5mm-2.5mm.
2. fire-resistant wire and cable according to claim 1, is characterized in that, described insulating barrier (22) is made by polyvinyl chloride, polyethylene or ethylene-propylene rubber.
3. fire-resistant wire and cable according to claim 2, is characterized in that, the thickness of described insulating barrier (22) is 0.3mm-0.8mm.
4. fire-resistant wire and cable according to claim 1, is characterized in that, described conductor (21) is exposed copper conductor, tinned copper conductor or silver-plated copper conductor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320864068.5U CN203931587U (en) | 2013-12-25 | 2013-12-25 | fire-resistant wire and cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320864068.5U CN203931587U (en) | 2013-12-25 | 2013-12-25 | fire-resistant wire and cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203931587U true CN203931587U (en) | 2014-11-05 |
Family
ID=51827360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320864068.5U Expired - Fee Related CN203931587U (en) | 2013-12-25 | 2013-12-25 | fire-resistant wire and cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203931587U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104464910A (en) * | 2014-12-12 | 2015-03-25 | 宿州永通电缆有限公司 | Flexible cable |
| CN104916353A (en) * | 2015-05-22 | 2015-09-16 | 上海亨公电线电缆有限公司 | Ceramic silicon rubber insulated cable capable of resisting high temperature of 1000 DEG C |
| CN105047286A (en) * | 2015-06-26 | 2015-11-11 | 佛山市粤佳信电线电缆有限公司 | Fire-resistant cable |
| TWI582795B (en) * | 2015-11-26 | 2017-05-11 | 鄧筠錦 | Grounding conductive cable structure |
-
2013
- 2013-12-25 CN CN201320864068.5U patent/CN203931587U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104464910A (en) * | 2014-12-12 | 2015-03-25 | 宿州永通电缆有限公司 | Flexible cable |
| CN104916353A (en) * | 2015-05-22 | 2015-09-16 | 上海亨公电线电缆有限公司 | Ceramic silicon rubber insulated cable capable of resisting high temperature of 1000 DEG C |
| CN105047286A (en) * | 2015-06-26 | 2015-11-11 | 佛山市粤佳信电线电缆有限公司 | Fire-resistant cable |
| TWI582795B (en) * | 2015-11-26 | 2017-05-11 | 鄧筠錦 | Grounding conductive cable structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141105 |
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| CF01 | Termination of patent right due to non-payment of annual fee |