CN209515221U - High-temperature resistant double-layer co-extrusion low-smoke non-halogen flame-retardant fire prevention twisted pair - Google Patents
High-temperature resistant double-layer co-extrusion low-smoke non-halogen flame-retardant fire prevention twisted pair Download PDFInfo
- Publication number
- CN209515221U CN209515221U CN201920324633.6U CN201920324633U CN209515221U CN 209515221 U CN209515221 U CN 209515221U CN 201920324633 U CN201920324633 U CN 201920324633U CN 209515221 U CN209515221 U CN 209515221U
- Authority
- CN
- China
- Prior art keywords
- layer
- double
- conductor
- mica tape
- thickness
- 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
- 229910052736 halogen Inorganic materials 0.000 title claims abstract description 22
- 150000002367 halogens Chemical class 0.000 title claims abstract description 22
- 239000000779 smoke Substances 0.000 title claims abstract description 20
- 239000003063 flame retardant Substances 0.000 title claims abstract description 18
- 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 title claims abstract description 12
- 238000001125 extrusion Methods 0.000 title claims abstract description 10
- 230000002265 prevention Effects 0.000 title abstract description 6
- 239000010410 layer Substances 0.000 claims abstract description 86
- 239000004020 conductor Substances 0.000 claims abstract description 31
- 239000010445 mica Substances 0.000 claims abstract description 30
- 229910052618 mica group Inorganic materials 0.000 claims abstract description 30
- 238000001354 calcination Methods 0.000 claims abstract description 24
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910052802 copper Inorganic materials 0.000 claims abstract description 12
- 239000010949 copper Substances 0.000 claims abstract description 12
- 238000004132 cross linking Methods 0.000 claims abstract description 5
- DXZMANYCMVCPIM-UHFFFAOYSA-L zinc;diethylphosphinate Chemical compound [Zn+2].CCP([O-])(=O)CC.CCP([O-])(=O)CC DXZMANYCMVCPIM-UHFFFAOYSA-L 0.000 claims abstract description 5
- 239000002356 single layer Substances 0.000 claims abstract description 4
- 229920003020 cross-linked polyethylene Polymers 0.000 claims abstract description 3
- 239000004703 cross-linked polyethylene Substances 0.000 claims abstract description 3
- 230000005855 radiation Effects 0.000 claims abstract description 3
- 150000001336 alkenes Chemical class 0.000 claims 1
- 229920000098 polyolefin Polymers 0.000 abstract description 4
- 230000007812 deficiency Effects 0.000 abstract description 2
- 238000009413 insulation Methods 0.000 description 9
- 229920000915 polyvinyl chloride Polymers 0.000 description 7
- 239000004800 polyvinyl chloride Substances 0.000 description 7
- 239000002253 acid Substances 0.000 description 3
- 230000002378 acidificating effect Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Landscapes
- Insulated Conductors (AREA)
Abstract
The utility model relates to a kind of high-temperature resistant double-layer co-extrusion low-smoke non-halogen flame-retardant fire prevention twisted pairs, solve the deficiencies in the prior art, technical solution are as follows: You Lianggen insulated wire cores are formed by the pitch pair twist of setting, the insulated wire cores include conductor, the conductor is soft copper conductor, it is overlapped outside the conductor and is surrounded with two layers of calcining mica tape, double-layer coextrusion insulated layer is extruded with outside the calcining mica tape, the internal layer of the double-layer coextrusion insulated layer is 125 DEG C of Radiation Crosslinked Polyethylene insulating layers, the outer layer of double-layer coextrusion insulated layer is 125 DEG C of irradiated crosslinking low-smoke and halogen-free flame retardant polyolefin insulating layers, the thickness of double-layer coextrusion insulated layer is greater than the calcining mica tape thickness of single layer, two layers of calcining mica tape thickness is greater than the thickness of double-layer coextrusion insulated layer.
Description
Technical field
The utility model relates to a kind of cables, and in particular to a kind of high-temperature resistant double-layer co-extrusion low-smoke non-halogen flame-retardant fire prevention multiple twin
Line.
Background technique
Twisted pair plays an important role in life, and such as fire fire-fighting automatic alarm system, principle is that fire occurs
Smog or temperature when calamity have been sensed by equipment sense cigarette or temperature detector to be started to alarm, while the alarm system starting that also linked is gone out
Fiery system, reduces Loss of Life and property.Existing twisted pair insulating materials is all polyvinyl chloride insulation, and polyvinyl chloride contains greatly
The halogen of amount, when burning, damage human body and important instrument, and halogen acid gas encounters water and forms acidic liquid to accurate instrument
Device causes secondary hazards, causes a hidden trouble to safety and has been unable to meet the demand of current economic fast development, twisted pair is general at present
It is made of conductor and insulation.Conductor is stranded copper wire composition, and insulation uses polyvinyl chloride insulation.
The defect and deficiency of background technique: insulation uses polyvinyl chloride insulation, and polyvinyl chloride contains a large amount of halogen, fires
Human body and important instrument are damaged when burning, halogen acid gas encounters water formation acidic liquid and causes secondary danger to precision instrument
Evil.
Utility model content
There is insulation utility model aims to solve the above-mentioned prior art and uses polyvinyl chloride insulation, polyvinyl chloride
Containing a large amount of halogen, when burning, damages human body and important instrument, and halogen acid gas encounters water and forms acidic liquid pair
Precision instrument causes the problem of secondary hazards, provides a kind of high-temperature resistant double-layer co-extrusion low-smoke non-halogen flame-retardant fire prevention twisted pair.
The technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of high-temperature resistant double-layer co-extrusion low smoke and zero halogen
Fire-retardant fireproof twisted pair, You Lianggen insulated wire cores are formed by the pitch pair twist of setting, and the insulated wire cores include conductor, described to lead
Body is soft copper conductor, is overlapped outside the conductor and is surrounded with two layers of calcining mica tape, is extruded with outside the calcining mica tape double-deck total
Insulating layer is squeezed, the internal layer of the double-layer coextrusion insulated layer is 125 DEG C of Radiation Crosslinked Polyethylene insulating layers, double-layer coextrusion insulated layer
Outer layer is 125 DEG C of irradiated crosslinking low-smoke and halogen-free flame retardant polyolefin insulating layers, and the thickness of double-layer coextrusion insulated layer is greater than forging for single layer
Glowing cloud strip thickness, two layers of calcining mica tape thickness are greater than the thickness of double-layer coextrusion insulated layer.
The utility model cable is made of soft copper conductor and insulating layer, and two insulated wire cores are formed by certain pitch pair twist.
Structure is made of conductor, mica layer A, mica layer B and insulating layer.Conductor is 5 class soft copper conductor of multiply, and wrapped 2 are overlapped outside conductor
Layer calcines mica tape with a thickness of 0.2mm, and double hyer insulation is extruded outside mica tape, i.e. insulating layer is double-layer coextrusion, and internal layer is 125 DEG C of spokes
According to crosslinked polyetylene insulated, outer layer is 125 DEG C of irradiated crosslinking low-smoke and halogen-free flame retardant polyolefin Insulation Materials.The double-layer structure can make this
Electric wire temperature resistant grade reaches 125 DEG C, and has low-smoke non-halogen flame-retardant performance；Calcining mica tape has excellent high temperature resistance
With flame resistance energy, heatproof is greater than 1000 DEG C, and wrapped 2 layers of calcining mica tape can reach A grades of fire resisting levels (950 DEG C~1000
DEG C).The utility model, conductor DC resistance meet GB/T 3956-2008 requirement;Pressure test: exchange 2500V/5min, no
Breakdown；With high temperature resistant (under the conditions of 125 DEG C) performance.Low smoke, zero halogen performance: value >=4.3 PH, conductivity≤10 μ s/mm, thoroughly
Single vertical combustibility: light rate >=80% meets the requirement of GB/T 19666-2005 standard.Heat extends index: in temperature
Under the conditions of 200 ± 3 DEG C, load-time 15min, mechanical pressure 0.20MPa, elongation≤175% under load is after cooling to stretch
Long rate≤25%.It is horizontal (950 DEG C~1000 DEG C) to have A grades of fire resistings.
Preferably, it is described calcining mica tape with a thickness of 0.2mm.
Preferably, the soft copper conductor is twisted by 5 class soft copper conductor of multiply.
The substantial effect of the utility model is: A, the product temperature classification is high, and fire protecting performance reaches A grades, using in people
The intensive occasion of member will provide high security performance.B, the product has low-smoke non-halogen flame-retardant environmental-protecting performance, in high temperature or combustion
Halogen is nontoxic when burning, ensure that people's life security, will not cause burn into that will not cause dirt to atmospheric environment to precision equipment
Dye.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model.
In figure: 1 is conductor, and 2 be the first calcining mica belt, and 3 be the second calcining mica belt, and 4 is total for 125 DEG C of bilayers
Squeeze insulating layer.
Specific embodiment
Below by specific embodiment, and in conjunction with attached drawing, the technical solution of the utility model is made further specifically
It is bright.
Embodiment 1:
A kind of high-temperature resistant double-layer co-extrusion low-smoke non-halogen flame-retardant fire prevention twisted pair (referring to attached drawing 1), You Lianggen insulated wire cores are pressed
The pitch pair twist of setting forms, and the insulated wire cores include conductor 1, and the conductor is soft copper conductor, be overlapped outside the conductor around
It is surrounded by two layers of calcining mica tape being made of the first calcining mica belt 2 and the second calcining mica belt 3, the calcining mica tape
It is extruded with double-layer coextrusion insulated layer outside, the thickness of double-layer coextrusion insulated layer is greater than the calcining mica tape thickness of any single layer, and two layers
The thickness that mica tape thickness is greater than double-layer coextrusion insulated layer is calcined, the internal layer of the double-layer coextrusion insulated layer is that 125 DEG C of irradiation are handed over
Join polyethylene layer, the outer layer of double-layer coextrusion insulated layer is 125 DEG C of irradiated crosslinking low-smoke and halogen-free flame retardant polyolefin insulating layers.Institute
State calcining mica tape with a thickness of 0.2mm.The soft copper conductor is twisted by 5 class soft copper conductor of multiply.
The present embodiment double-layer structure can make the electric wire temperature resistant grade reach 125 DEG C, and have low-smoke non-halogen flame-retardant
Energy；Calcining mica tape has excellent high temperature resistance and flame resistance energy, and heatproof is greater than 1000 DEG C, wrapped 2 layers of calcining mica
It is horizontal (950 DEG C~1000 DEG C) to can reach A grades of fire resistings for band.The utility model, conductor DC resistance meet GB/T 3956-2008
It is required that;Pressure test: exchange 2500V/5min does not puncture；With high temperature resistant (under the conditions of 125 DEG C) performance.Low smoke, zero halogen performance:
Single vertical combustibility: value >=4.3 PH, conductivity≤10 μ s/mm, light transmittance >=80% meet GB/T 19666-2005
The requirement of standard.Heat extends index: under the conditions of 200 ± 3 DEG C of temperature, load-time 15min, mechanical pressure 0.20MPa, load
Under elongation≤175%, elongation≤25% after cooling.It is horizontal (950 DEG C~1000 DEG C) to have A grades of fire resistings.
Embodiment described above is a kind of preferable scheme of the utility model, is not made to the utility model any
Formal limitation, there are also other variations and modifications on the premise of not exceeding the technical scheme recorded in the claims.
Claims (3)
- The twisted pair 1. a kind of high-temperature resistant double-layer co-extrusion low-smoke non-halogen flame-retardant is prevented fires, it is characterised in that: You Lianggen insulated wire cores are by setting Fixed pitch pair twist forms, and the insulated wire cores include conductor, and the conductor is soft copper conductor, is overlapped and is surrounded with outside the conductor Two layers of calcining mica tape, the calcining mica tape are extruded with double-layer coextrusion insulated layer, the internal layer of the double-layer coextrusion insulated layer outside For 125 DEG C of Radiation Crosslinked Polyethylene insulating layers, the outer layer of double-layer coextrusion insulated layer is that 125 DEG C of irradiated crosslinking low-smoke and halogen-free flame retardants are poly- Alkene insulating layer, the thickness of double-layer coextrusion insulated layer are greater than the calcining mica tape thickness of single layer, and two layers of calcining mica tape thickness is big In the thickness of double-layer coextrusion insulated layer.
- The twisted pair 2. high-temperature resistant double-layer co-extrusion low-smoke non-halogen flame-retardant according to claim 1 is prevented fires, it is characterised in that: described Calcine mica tape with a thickness of 0.2mm.
- The twisted pair 3. high-temperature resistant double-layer co-extrusion low-smoke non-halogen flame-retardant according to claim 1 is prevented fires, it is characterised in that: described Soft copper conductor is twisted by 5 class soft copper conductor of multiply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920324633.6U CN209515221U (en) | 2019-03-14 | 2019-03-14 | High-temperature resistant double-layer co-extrusion low-smoke non-halogen flame-retardant fire prevention twisted pair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920324633.6U CN209515221U (en) | 2019-03-14 | 2019-03-14 | High-temperature resistant double-layer co-extrusion low-smoke non-halogen flame-retardant fire prevention twisted pair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209515221U true CN209515221U (en) | 2019-10-18 |
Family
ID=68187362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920324633.6U Expired - Fee Related CN209515221U (en) | 2019-03-14 | 2019-03-14 | High-temperature resistant double-layer co-extrusion low-smoke non-halogen flame-retardant fire prevention twisted pair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209515221U (en) |
-
2019
- 2019-03-14 CN CN201920324633.6U patent/CN209515221U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206639628U (en) | A kind of mineral insulation aluminium sheath flexible optical fibre composite fireproof cable | |
| CN206849578U (en) | Fire resistant flexible type railway signal cable | |
| CN107545953A (en) | CA cable assembly | |
| CN205692614U (en) | Cable assembly | |
| CN205318875U (en) | High temperature resistant high voltage withstanding cable | |
| CN202996376U (en) | Fireproof and waterproof high temperature resistance type wire and cable | |
| CN202258514U (en) | Direct current 1500V cross-linked polyethylene insulation power cable for track traffic | |
| CN204991258U (en) | Environment -friendly high life crosslinked cable | |
| CN212434278U (en) | Durable insulation irradiation crosslinking halogen-free low-smoke high-flame-retardant safety wire | |
| CN209515221U (en) | High-temperature resistant double-layer co-extrusion low-smoke non-halogen flame-retardant fire prevention twisted pair | |
| CN209515293U (en) | A kind of wear-resisting weather-proof water proof fire retardant power cable | |
| CN207474131U (en) | A kind of direct current cables for being used for subway or rail traffic | |
| CN205406168U (en) | Novel high warm colour of intelligence becomes early warning fireproof cable | |
| CN205789153U (en) | Insulation irradiation fireproof cable | |
| CN208444644U (en) | High-temperature resistant double-layer co-extrusion low smoke and zero halogen fire prevention crosslinking electric wire | |
| CN204257234U (en) | Crosslinked polyetylene insulated low-smoke zero-halogen fire-resistant instrument cable peculiar to vessel | |
| CN203397739U (en) | Multifunctional isolation type flame resistant cable | |
| CN202487208U (en) | Low smoke zero halogen (LSZH) ignition-proof irradiation crosslinking sheath cable | |
| CN1322519C (en) | Environment protection high flame resistance fire control type cable | |
| CN206849575U (en) | Three cores are pressed to resist cold power cable in a kind of low-smoke non-halogen flame-retardant | |
| CN204904898U (en) | High conductibity lock armo environmental protection sheath aluminum alloy fire resisting cable | |
| CN201910266U (en) | Oxygen-isolation flame-retardant cable | |
| CN205508492U (en) | Long -life environmental protection and energy saving cable for building | |
| CN201066599Y (en) | Copper-coated aluminum core, radiation cross-linked insulation layer, oxygen separation layer and low-smoke non halogen cable | |
| CN111028999A (en) | Low smoke zero halogen fireproof cable |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191018 |