CN212342342U - Low-heat low-toxicity dripless B1-grade flame-retardant multipurpose wire - Google Patents
Low-heat low-toxicity dripless B1-grade flame-retardant multipurpose wire Download PDFInfo
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- CN212342342U CN212342342U CN202021327107.4U CN202021327107U CN212342342U CN 212342342 U CN212342342 U CN 212342342U CN 202021327107 U CN202021327107 U CN 202021327107U CN 212342342 U CN212342342 U CN 212342342U
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- 239000003063 flame retardant Substances 0.000 title claims abstract description 66
- 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 39
- 231100000053 low toxicity Toxicity 0.000 title claims abstract description 21
- 239000004020 conductor Substances 0.000 claims abstract description 22
- 230000009970 fire resistant effect Effects 0.000 claims abstract description 15
- 239000000779 smoke Substances 0.000 claims description 15
- 239000000835 fiber Substances 0.000 claims description 12
- 239000002184 metal Substances 0.000 claims description 11
- 229910052751 metal Inorganic materials 0.000 claims description 11
- 229920000098 polyolefin Polymers 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 10
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 8
- 239000004927 clay Substances 0.000 claims description 8
- 229910052802 copper Inorganic materials 0.000 claims description 8
- 239000010949 copper Substances 0.000 claims description 8
- 230000003014 reinforcing effect Effects 0.000 claims description 8
- 239000000919 ceramic Substances 0.000 claims description 6
- 239000002131 composite material Substances 0.000 claims description 6
- 239000000945 filler Substances 0.000 claims description 6
- 239000010445 mica Substances 0.000 claims description 4
- 229910052618 mica group Inorganic materials 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- 229920003020 cross-linked polyethylene Polymers 0.000 claims description 3
- 239000004703 cross-linked polyethylene Substances 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims 3
- 238000000576 coating method Methods 0.000 claims 3
- 238000009413 insulation Methods 0.000 claims 1
- DXZMANYCMVCPIM-UHFFFAOYSA-L zinc;diethylphosphinate Chemical compound [Zn+2].CCP([O-])(=O)CC.CCP([O-])(=O)CC DXZMANYCMVCPIM-UHFFFAOYSA-L 0.000 claims 1
- 230000007613 environmental effect Effects 0.000 abstract description 6
- 229910052736 halogen Inorganic materials 0.000 abstract description 6
- 150000002367 halogens Chemical class 0.000 abstract description 6
- 235000019504 cigarettes Nutrition 0.000 abstract description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 8
- 229910052760 oxygen Inorganic materials 0.000 description 8
- 239000001301 oxygen Substances 0.000 description 8
- 241001391944 Commicarpus scandens Species 0.000 description 7
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 6
- 239000003546 flue gas Substances 0.000 description 6
- 239000011810 insulating material Substances 0.000 description 6
- 238000002955 isolation Methods 0.000 description 5
- 238000005452 bending Methods 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 231100000252 nontoxic Toxicity 0.000 description 4
- 230000003000 nontoxic effect Effects 0.000 description 4
- 230000009967 tasteless effect Effects 0.000 description 4
- 229920001971 elastomer Polymers 0.000 description 3
- 230000009931 harmful effect Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 239000005060 rubber Substances 0.000 description 3
- 231100000419 toxicity Toxicity 0.000 description 3
- 230000001988 toxicity Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- -1 halogen-free Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model provides a low-heat low-toxicity dripless B1-grade flame-retardant multipurpose electric wire, which comprises three main wire cores, three ground wire cores, a belting layer, a flame-retardant layer, an anti-torsion layer and a sheath layer; the main wire core is composed of a conductor, a fire-resistant layer and an insulating layer, the fire-resistant layer wraps the outer side of the conductor, and the insulating layer is extruded outside the fire-resistant layer; the cable comprises three main cable cores, three ground cable cores, a belting layer, a filling layer, a flame-retardant layer, an anti-torsion layer and a jacket layer, wherein the three main cable cores are arranged in a circumferential mode, the three ground cable cores are arranged in a circumferential mode, the three main cable cores and the three ground cable cores are spaced from each other, the outer surfaces of the three main cable cores and the three ground cable cores are wrapped with the belting layer, the filling layer is filled in gaps between the belting layer and the main cable cores, the outer side of the belting layer is wrapped with the flame-retardant. The utility model discloses not only possess good physical and mechanical properties, it still has low cigarette and zero halogen, low toxicity, environmental protection, high fire-retardant, resistant characteristics such as dragging moreover.
Description
Technical Field
The utility model relates to a wire and cable field specifically is a fire-retardant multipurpose electric wire of low heat low toxicity dripless B1 level.
Background
With the development of social economy and science and technology, a large number of high-rise buildings and subway facilities are produced, and in order to prevent the spread of fire, electric wires with corresponding burning grades are selected according to the electrical design specifications of civil buildings and the use characteristics of the buildings: the high-rise building and subway facility should select the electric wire that the burning grade is not lower than B1 level. Therefore, an electric wire with excellent physical and mechanical properties, low smoke, no halogen, low toxicity, environmental protection, high flame retardance and the like is needed.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects existing in the prior art, the utility model aims at providing a low-heat low-toxicity dripless B1-grade flame-retardant multipurpose electric wire. The utility model discloses not only possess good physical and mechanical properties, but it still has low smoke and zero halogen, low toxicity, the environmental protection, high fire-retardant, resistant characteristic such as drag, fire-retardant layer adopts crowded package to separate the composite construction of oxygen layer and chamotte, separate the oxygen layer and adopt ceramic polyolefin material, the fire behaviour of electric wire has been guaranteed, nontoxic and tasteless characteristics have, antitorque layer adopts high strength fiber silk or high strength wire, make the electric wire external diameter diminish, the soft difficult fracture that improves the resistant flexible of electric wire.
The purpose of the utility model can be realized by the following technical scheme: a low-heat low-toxicity dripless B1-grade flame-retardant multipurpose wire comprises three main wire cores, three ground wire cores, a belting layer, a flame-retardant layer, an anti-torsion layer and a sheath layer;
the main wire core is composed of a conductor, a fire-resistant layer and an insulating layer, the fire-resistant layer wraps the outer side of the conductor, and the insulating layer is extruded outside the fire-resistant layer; the three main wire cores are arranged in a circumferential manner, the three ground wire cores are arranged in a circumferential manner, the three main wire cores and the three ground wire cores are mutually spaced, and the reinforcing core is filled in a middle area defined by the three main wire cores; the reinforced core adopts high-strength fiber wires or high-strength metal wires; the layering and isolation are realized, and meanwhile, the structure is ensured to be more compact and not easy to break;
the outer surfaces of the three main wire cores and the three ground wire cores are wrapped with wrapping layers, gaps between the wrapping layers and the main wire cores are filled with filling layers, flame-retardant layers are wrapped outside the wrapping layers in an extruded mode, the flame-retardant layers are of a composite structure of extruded oxygen-insulating layers and fire clay, and the oxygen-insulating layers are made of ceramic polyolefin materials; the anti-torsion conductor is characterized in that an anti-torsion layer is extruded on the outer side of the flame-retardant layer, a sheath layer wraps the outer surface of the anti-torsion layer, and a flame-retardant layer, an insulating layer, a filling layer, a belting layer, a flame-retardant layer, an anti-torsion layer and a sheath layer are sequentially arranged on the outer side of the conductor from inside to outside.
Furthermore, the conductor is a copper conductor formed by regularly twisting multiple strands of fine round soft copper wires or is solid, so that excellent electrical performance of the conductor can be guaranteed;
furthermore, the fire-resistant layer is wrapped by overlapping double-layer mica tapes, so that the power supply function of the cable can be continuously kept under the condition of fire, the insulating layer is extruded by crosslinked polyethylene, and a special high-flame-retardant insulating material is utilized, so that the combustion reaction of the wire is inhibited, the heating and smoke generation quantity of the wire are greatly reduced, the flame-retardant performance of the wire is greatly improved, the insulating performance of the wire is ensured, and the guarantee on the safety of life and property is greatly improved;
furthermore, the filling layer adopts high-flame-retardant filler, so that flame can be well prevented from spreading under the condition of fire, and the reinforcing core adopts high-strength fiber wires or high-strength metal wires; the layering and isolation are realized, and meanwhile, the structure is ensured to be more compact and not easy to break;
furthermore, the anti-torsion layer is made of high-strength fiber wires or high-strength metal wires, so that the outer diameter of the wire is reduced, the wire is soft and not easy to break, the bending resistance of the wire is improved, and the sheath layer is made of low-smoke halogen-free flame-retardant polyolefin sheath material; has the characteristics of low smoke, zero halogen, flame retardance, drag resistance and the like.
The utility model has the advantages that:
(1) the utility model provides a fire-retardant multipurpose electric wire of low heat low toxicity dripless B1 level, not only possesses good physical and mechanical properties, but it still has low smoke and zero halogen, low toxicity, environmental protection, high fire-retardant, resistant characteristic of dragging etc. and fire-retardant layer adopts crowded package to separate the composite construction of oxygen layer and chamotte, separate the oxygen layer and adopt ceramic polyolefin material, guaranteed the fire behaviour of electric wire, have nontoxic and tasteless characteristics, do not have harmful effects to human body and natural environment, the flue gas after the burning is very little, does not have the cigarette toxicity, and the flue gas is also harmless to the human body. The oxygen-isolating layer and the fire clay are different from other rubber, plastics and the like, and have the greatest characteristic that under the conditions of fire and high temperature, the fire clay can be burnt into a hard shell-shaped object and can play a good role in blocking flame;
(2) the main wire cores and the ground wire cores are arranged at intervals in the circumferential direction, the reinforcing core is positioned among the three circumferentially arranged main wire cores, and the reinforcing core is made of high-strength fiber wires or high-strength metal wires, so that the structure is ensured to be more compact and not easy to break while layering and isolation are realized;
(3) the filling layer adopts high-flame-retardant filler, so that flame spread can be well prevented under the condition of fire, and the belting layer adopts high-flame-retardant belting to overlap and wrap two layers; the fire resistance of the electric wire is guaranteed, the anti-torsion layer is made of high-strength fiber yarns or high-strength metal wires, the outer diameter of the electric wire is reduced, the electric wire is soft and not prone to breaking, the bending resistance of the electric wire is improved, the sheathing layer is made of extruded low-smoke halogen-free flame-retardant polyolefin sheathing materials, and the electric wire has the advantages of being low in smoke, halogen-free, flame-retardant, resistant to dragging and the like.
(4) The insulating layer adopts special high flame retardant insulating material, and to the strict fire prevention fire-retardant environmental protection requirement of high-rise building, utilize special high flame retardant insulating material, both restrained the combustion reaction of electric wire itself, can make the electric wire generate heat, the volume of generating smoke greatly reduced, made electric wire flame retardant property have very big promotion, guaranteed the insulating properties of electric wire again, improved the guarantee to life and property safety greatly.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
Fig. 1 is a schematic structural view of a low-heat, low-toxicity and dripless B1-grade flame-retardant multipurpose electric wire of the present invention.
In the figure: 1. a conductor; 2. a refractory layer; 3. an insulating layer; 4. a filling layer; 5. a reinforcing core; 6. a main wire core; 7. a ground wire core; 8. a belting layer; 9. a flame retardant layer; 10. an anti-torsion layer; 11. a sheath layer.
Detailed Description
The following description of the embodiments with reference to the drawings is intended to illustrate the present invention in further detail, such as the shapes and structures of the components, the mutual positions and connections between the components, the functions and working principles of the components, the manufacturing process, and the operation and use methods, etc., so as to help those skilled in the art understand the present invention more completely, accurately and deeply.
As shown in fig. 1, a low-heat, low-toxicity and non-dripping B1-grade flame-retardant multipurpose electric wire comprises three main wire cores 6, three ground wire cores 7, a belting layer 8, a flame-retardant layer 9, an anti-torsion layer 10 and a sheath layer 11; the main wire core 6 is composed of a conductor 1, a fire-resistant layer 2 and an insulating layer 3, the conductor 1 is a copper conductor formed by regularly twisting multiple fine soft round copper wires or is solid, two layers of mica tapes are lapped and wrapped outside the conductor 1 to serve as the fire-resistant layer 2, and cross-linked polyolefin is extruded outside the fire-resistant layer 2 to serve as the insulating layer 3; the insulating layer 3 is made of a special high-flame-retardant insulating material, and the special high-flame-retardant insulating material is utilized to inhibit the combustion reaction of the electric wire, so that the heating and smoke generation of the electric wire are greatly reduced, the flame retardant property of the electric wire is greatly improved, the insulating property of the electric wire is ensured, and the guarantee on the safety of life and property is greatly improved;
the three main wire cores 6 are arranged in a circumferential mode, the three ground wire cores 7 are arranged in a circumferential mode, and the three main wire cores 6 and the three ground wire cores 7 are spaced from each other. The reinforced core 5 is filled in the middle area surrounded by the three main wire cores 6, and the reinforced core 5 is made of high-strength fiber wires or high-strength metal wires; the layering and isolation are realized, and meanwhile, the structure is ensured to be more compact and not easy to break;
the outer surfaces of the three main wire cores 6 and the three ground wire cores 7 are wrapped with the belting layer 8, gaps between the belting layer 8 and the main wire cores 6 are filled with the filling layer 4, the filling layer 4 is made of high-flame-retardant filler, flame spread can be well prevented under the condition of fire, and the belting layer 8 is formed by overlapping two layers of high-flame-retardant belting; the fire resistance of the wire is ensured;
the fire-retardant layer 9 has been crowded to wrap in the band layer 8 outside, and fire-retardant layer 9 adopts crowded packet to separate the composite construction of oxygen layer and fire clay, separate the oxygen layer and adopt ceramic polyolefin material, guaranteed the fire behaviour of electric wire, have nontoxic and tasteless characteristics, do not have harmful effects to human body and natural environment, and the flue gas after the burning is very little, does not have the toxicity of cigarette, and the flue gas is also harmless to the human body. The oxygen-isolating layer and the fire clay have the greatest characteristic different from other rubbers, plastics and the like that under the conditions of fire and high temperature, hard shell-shaped objects can be fired, and the flame-resistant effect can be achieved.
An anti-torsion layer 10 is extruded on the outer side of the flame-retardant layer 9, a sheath layer 11 wraps the outer surface of the anti-torsion layer 10, and the anti-torsion layer 10 is made of high-strength fiber wires or high-strength metal wires, so that the outer diameter of the electric wire is reduced, the electric wire is soft and not easy to break, and the bending resistance of the electric wire is improved;
the anti-torsion layer 10 is provided with a sheath layer 11 on the outer side, the sheath layer 11 is made of extruded low-smoke halogen-free flame-retardant polyolefin sheath material, and has the characteristics of low smoke halogen-free, flame-retardant, drag-resistant and the like.
The utility model discloses when specifically implementing: the utility model provides a fire-retardant multipurpose electric wire of low heat low toxicity dripless B1 level, not only possesses good physical and mechanical properties, but it still has low smoke and zero halogen, low toxicity, environmental protection, high fire-retardant, resistant characteristic of dragging etc. and fire-retardant layer 9 adopts the crowded packet to separate the composite construction of oxygen layer and chamotte, separate the oxygen layer and adopt ceramic polyolefin material, guaranteed the fire behaviour of electric wire, have nontoxic and tasteless characteristics, do not have harmful effects to human body and natural environment, the flue gas after the burning is very little, does not have the toxicity of cigarette, and the flue gas is also harmless to the human body. The oxygen-isolating layer and the fire clay are different from other rubber, plastics and the like, and have the greatest characteristic that under the conditions of fire and high temperature, the fire clay can be burnt into a hard shell-shaped object and can play a good role in blocking flame;
the conductor 1 is a copper conductor which is formed by regularly twisting multiple strands of fine soft round copper wires or is solid, excellent electrical performance of the conductor can be guaranteed, the fire-resistant layer 2 is in a structure that two layers of mica tape structures are wound in an overlapped mode, the insulating layer 3 is extruded by cross-linked polyethylene, and a special high-flame-retardant insulating material is utilized, so that the combustion reaction of the wire is inhibited, the heating and smoke generation amount of the wire are greatly reduced, the flame-retardant performance of the wire is greatly improved, the insulating performance of the wire is guaranteed, and the guarantee on the safety of life and property is greatly improved;
the filling layer 4 adopts high-flame-retardant filler, so that flame spread can be well prevented under the condition of fire, and the belting layer 8 adopts high-flame-retardant belting to overlap and wrap two layers; the fireproof performance of the electric wire is ensured, the anti-torsion layer 10 is made of high-strength fiber wires or high-strength metal wires, so that the electric wire is small in outer diameter, soft and not prone to breakage, the bending resistance of the electric wire is improved, and the reinforcing core 5 is made of high-strength fiber wires or high-strength metal wires; the layering and isolation are realized, and meanwhile, the structure is guaranteed to be more compact and not easy to break.
The foregoing is merely exemplary and illustrative of the structure of the invention, and various modifications, additions and substitutions as described in the detailed description may be made by those skilled in the art without departing from the structure or exceeding the scope of the invention as defined in the claims.
Claims (6)
1. A low-heat low-toxicity dripless B1-grade flame-retardant multipurpose electric wire is characterized by comprising three main wire cores (6), three ground wire cores (7), a belting layer (8), a flame-retardant layer (9), an anti-torsion layer (10) and a sheath layer (11);
the main wire core (6) is composed of a conductor (1), a fire-resistant layer (2) and an insulating layer (3), the fire-resistant layer (2) wraps the outer side of the conductor (1), and the insulating layer (3) is extruded outside the fire-resistant layer (2); the three main wire cores (6) are arranged in a circumferential manner, the three ground wire cores (7) are arranged in a circumferential manner, the three main wire cores (6) and the three ground wire cores (7) are mutually spaced, and the reinforcing core (5) is filled in a middle area surrounded by the three main wire cores (6);
the outer surfaces of the three main wire cores (6) and the three ground wire cores (7) are wrapped with a belting layer (8), a filling layer (4) is filled in a gap between the belting layer (8) and the main wire cores (6), the outer side of the belting layer (8) is extruded with a flame-retardant layer (9), the flame-retardant layer (9) adopts a composite structure of an extruded oxygen-isolating layer and refractory clay, and the oxygen-isolating layer adopts a ceramic polyolefin material; anti-torque layer (10) have been crowded to wrap in fire-retardant layer (9) outside, the surface parcel of anti-torque layer (10) has restrictive coating (11), conductor (1) outside is equipped with flame retardant coating (2), insulating layer (3), filling layer (4), band layer (8), fire-retardant layer (9), anti-torque layer (10) and restrictive coating (11) from inside to outside in proper order.
2. The low-heat low-toxicity dripless B1-grade flame retardant multipurpose electric wire as claimed in claim 1, wherein the conductor (1) is a copper conductor formed by regularly twisting or made of solid strands of fine round soft copper wires.
3. The multipurpose electric wire with low heat, low toxicity and no dripping grade B1 as claimed in claim 1, wherein the fire-resistant layer (2) is wrapped with double mica tapes.
4. The flame-retardant multipurpose electric wire of grade B1 with low heat, low toxicity and no dripping as claimed in claim 1, wherein the insulation layer (3) is extruded from cross-linked polyethylene.
5. The multipurpose electric wire with low heat, low toxicity and no dripping grade B1 as claimed in claim 1, wherein the filler layer (4) is made of high flame retardant filler, and the reinforcing core (5) is made of high strength fiber or high strength metal wire.
6. The low-heat low-toxicity dripless B1-grade flame retardant multipurpose electric wire according to claim 1, wherein the anti-twisting layer (10) is made of high-strength fiber or high-strength metal wire, and the sheath layer (11) is made of low-smoke halogen-free flame retardant polyolefin sheath material.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021327107.4U CN212342342U (en) | 2020-07-08 | 2020-07-08 | Low-heat low-toxicity dripless B1-grade flame-retardant multipurpose wire |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021327107.4U CN212342342U (en) | 2020-07-08 | 2020-07-08 | Low-heat low-toxicity dripless B1-grade flame-retardant multipurpose wire |
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| CN212342342U true CN212342342U (en) | 2021-01-12 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114005590A (en) * | 2021-11-03 | 2022-02-01 | 安徽蒙特尔电缆集团有限公司 | Comprehensive protection B1-level cable for rail transit |
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- 2020-07-08 CN CN202021327107.4U patent/CN212342342U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114005590A (en) * | 2021-11-03 | 2022-02-01 | 安徽蒙特尔电缆集团有限公司 | Comprehensive protection B1-level cable for rail transit |
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