CN205487440U - Fire -retardant wire and cable of low smoke and zero halogen for motor car - Google Patents
Fire -retardant wire and cable of low smoke and zero halogen for motor car Download PDFInfo
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- CN205487440U CN205487440U CN201620102665.8U CN201620102665U CN205487440U CN 205487440 U CN205487440 U CN 205487440U CN 201620102665 U CN201620102665 U CN 201620102665U CN 205487440 U CN205487440 U CN 205487440U
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Abstract
The utility model discloses a fire -retardant wire and cable of low smoke and zero halogen for motor car, the cable comprises a conducto, the conductor sets up to seven pieces mutual of stranding, each the conductor includes the sinle silk of three mutual transposition, be equipped with lubricating oil between the conductor, each the conductor is outward in proper order by interior and be equipped with insulating layer, fire -retardant layer and resist compression layer outward, fire -retardant layer with be equipped with the tensile layer of the mesh grid of forming by the winding of aramid yarn and fire resistant mica tape between the resist compression layer, each other seven of transposition the resist compression layer of conductor wraps up the shielding layer outward, the shielding layer is equipped with sheath, seven of stranding each other outward the conductor with the gap filling has the high -temperature resistant rubber to crowd the covering between the shielding layer, the outer wall on fire -retardant layer is followed the length direction of conductor encircles and is equipped with the several bossy body, the crowded covering of high -temperature resistant rubber with the bossy body gomphosis is fixed. The utility model discloses stable in structure, durable, anti flame retardant efficiency is better.
Description
Technical field
This utility model relates to cable, particularly relates to a kind of motor-car low-smoke halogen-free flame-retardant electric wire and cable.
Background technology
Progress along with society, the reach of science and the raising of people's environmental consciousness, to irradiated crosslinking low-smoke and halogen-free flame retardant and fire-resistant wire and cable demand by increasing, research to the new material substituting copper conductor simultaneously also will progressively be goed deep into, in current industrialized society, the energy and information are the Two Mainstays of society, regardless of whether be the transmission of electric energy or information, all it be unable to do without electric wire, particularly high-rise commerce and trade building, subway, tunnel and nuclear power station etc..This year, motor-car technology development, motor-car circuit and order of classes or grades at school are continuously increased, due to the highest to the requirement of power system, cable is requisite key element in power system, the once ignition of cable on motor-car, can discharge substantial amounts of dense smoke and halogen acid gas during cable fire, rescue personnel needs to wear a gas mask just can put out a fire, and the life security to the personnel on motor-car brings threat greatly simultaneously.
Utility model content
The purpose of this utility model is to overcome the deficiency of above-mentioned prior art and a kind of motor-car low-smoke halogen-free flame-retardant electric wire and cable of providing.
nullFor achieving the above object，A kind of motor-car low-smoke halogen-free flame-retardant electric wire and cable that this utility model provides，It is characterized in that，Including conductor，Described conductor is set to the most stranded seven piece，Each described conductor includes three mutual stranded cores，It is provided with lubricating oil between described conductor，Insulating barrier it is provided with the most from inside to outside outside each described conductor、Flame-retardant layer and resistance to compression layer，The tensile layer being wound around the mesh grid formed by aramid fiber yarn and fire-resistant isinglass belt it is provided with between described flame-retardant layer and described resistance to compression layer，The resistance to compression layer outer wrapping screen layer of seven the most stranded described conductors，Described screen layer is externally provided with sheath，Gap between described resistance to compression layer and described screen layer is filled with high-temperature resistant rubber and extrudes layer，The outer wall of described resistance to compression layer is provided with several bossy body along the length direction cincture of described conductor，Described high-temperature resistant rubber extrudes layer and is fitted and fixed with described bossy body.
Preferably, described insulating barrier is Teflon layer.
Preferably, described flame-retardant layer is irradiated crosslinking low-smoke and halogen-free flame retardant polyolefin layer.
Preferably, described resistance to compression layer is ethylene-acrylate elastomer layer.
Preferably, described screen layer is aluminium-plastic tape overcoat.
Preferably, the pitch ratio of described conductor strand is no more than 10.
Preferably, the surface of described sheath is provided with fluorescent material.
Preferably, described core is tin plating twisted copper wires, filament diameter 0.22-0.55mm.
Preferably, described lubricating oil is silicone oil.
Preferably, described aramid fiber yarn and fire-resistant isinglass belt are wound around the entirety of the mesh grid tensile layer formed is cellular.
The beneficial effects of the utility model are: use insulating barrier, flame-retardant layer and the composite bed of resistance to compression layer, the performance making insulation and obstruct is strong, the resistance to compression layer of ethylene-acrylate elastomer is set outside flame-retardant layer, make cable supportive when being under pressure more preferable, avoid damaging by pressure, breaking core, the problem that cable leakage open circuit damages occurs, so that cable has stronger heatproof, wear-resisting, pressure and fire resistance, there is low cigarette, Halogen simultaneously, produce few smog during burning and do not produce the poisonous mordant gases such as hydrogen chloride, high life.Between flame-retardant layer and resistance to compression layer, it is provided with the tensile layer being wound around the mesh grid formed by aramid fiber yarn and fire-resistant isinglass belt, strengthens cable in axial tensile strength, and by being provided with the composite braiding net of fire-resistant isinglass belt, conductor is played further flame-resistant insulation effect.Arrange high-temperature resistant rubber to extrude layer and can reduce the temperature of cable when fire, extend the impaired event that insulate, or avoid insulating barrier impaired, play initial protective effect.The outer wall of resistance to compression layer is provided with several bossy body along the length direction cincture of conductor, and high-temperature resistant rubber extrudes layer and is fitted and fixed with bossy body, conductor so can be made to hold and be difficult to relative displacement, and structural reliability is high.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model；
Reference:
Conductor 10；Core 101；Insulating barrier 102；Flame-retardant layer 103；Resistance to compression layer 104；Tensile layer 105；Screen layer 106；Sheath 107；Extrude layer 108；Bossy body 109.
The realization of this utility model purpose, functional characteristics and advantage will in conjunction with the embodiments, are described further referring to the drawings.
Detailed description of the invention
Of the present utility model embodiment is described below in detail, and the example of described embodiment is shown in the drawings, and the most same or similar label represents same or similar element or has the element of same or like function.The embodiment described below with reference to accompanying drawing is exemplary, it is intended to be used for explaining this utility model, and it is not intended that to restriction of the present utility model.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinally ", " laterally ", " length ", " width ", " thickness ", on " ", D score, " front ", " afterwards ", " left ", " right ", " vertically ", " level ", " push up ", " end " " interior ", " outward ", " clockwise ", orientation or the position relationship of the instruction such as " counterclockwise " are based on orientation shown in the drawings or position relationship, it is for only for ease of description this utility model and simplifies description, rather than indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.
In this utility model, unless otherwise clearly defined and limited, term " is installed ", " being connected ", " connection ", the term such as " fixing " should be interpreted broadly, and connects for example, it may be fixing, it is also possible to be to removably connect, or be integrally connected；Can be to be mechanically connected, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, can be the connection of two element internals.For the ordinary skill in the art, above-mentioned term concrete meaning in this utility model can be understood as the case may be.
nullWith reference to Fig. 1，A kind of motor-car low-smoke halogen-free flame-retardant electric wire and cable，It is characterized in that，Including conductor 10，Described conductor 10 is set to the most stranded seven piece，Each described conductor 10 includes three mutual stranded cores 101，It is provided with lubricating oil between described conductor 10，Each described conductor 10 is outer is provided with insulating barrier 102 the most from inside to outside、Flame-retardant layer 103 and resistance to compression layer 104，The tensile layer 105 being wound around the mesh grid formed by aramid fiber yarn and fire-resistant isinglass belt it is provided with between described flame-retardant layer 103 and described resistance to compression layer 104，The resistance to compression layer 104 outer wrapping screen layer 106 of seven the most stranded described conductors 10，Described screen layer 106 is externally provided with sheath 107，Gap between described resistance to compression layer 104 and described screen layer 106 is filled with high-temperature resistant rubber and extrudes layer 108，The outer wall of described resistance to compression layer 104 is provided with several bossy body 109 along the length direction cincture of described conductor 10，Described high-temperature resistant rubber extrudes layer 108 and is fitted and fixed with described bossy body 109.
In the above-described embodiments, use insulating barrier 102, flame-retardant layer 103 and the composite bed of resistance to compression layer 104, the performance making insulation and obstruct is strong, so that cable has stronger heatproof, wear-resisting, pressure and fire resistance, there is low cigarette, Halogen simultaneously, produce few smog during burning and do not produce the poisonous mordant gases such as hydrogen chloride, high life.Arrange high-temperature resistant rubber to extrude layer 108 and can reduce the temperature of cable when fire, extend the impaired event that insulate, or avoid insulating barrier 102 impaired, play initial protective effect.The outer wall of resistance to compression layer 104 is provided with several bossy body 109 along the length direction cincture of conductor 10, and high-temperature resistant rubber extrudes layer 108 and is fitted and fixed with bossy body 109, conductor 10 so can be made to hold and be difficult to relative displacement, and structural reliability is high.
In one embodiment, described insulating barrier 102 is Teflon layer.Can effectively shield electric leakage.
In one embodiment, described flame-retardant layer 103 is irradiated crosslinking low-smoke and halogen-free flame retardant polyolefin layer.The barrier layer using irradiated crosslinking low-smoke and halogen-free flame retardant polyolefin layer improves the heatproof of electric wire, wear-resisting and fire resistance, and serves the effect blocked water.
In one embodiment, described resistance to compression layer 104 is ethylene-acrylate elastomer layer.The resistance to compression layer 104 of ethylene-acrylate elastomer is set outside flame-retardant layer 103, makes cable supportive when being under pressure more preferable, it is to avoid to damage by pressure, break core 101, the problem that cable leakage open circuit damages occurs.
In one embodiment, described screen layer 106 is aluminium-plastic tape overcoat.Effect ground increases anti-external disturbance performance.
In one embodiment, the pitch ratio that described conductor 10 is stranded is no more than 10.
In one embodiment, the surface of described sheath 107 is provided with fluorescent material.Fluorescent material can send fluorescence at night, to show the position of cable, plays ground staff or maintainer and reminds and the effect of warning, it is simple to carry on construction work at night installation, also can remind the passerby walked outside at night simultaneously, it is to avoid touch the generation of line accident.It is arranged on fluorescent material on sheath 107 and can explicitly indicate that the intact condition of cable run, enable to patrol night or maintainer observes the situation of cable easily.The luminescence of fluorescent material need not consume extra energy, belongs to cold light source, and luminescence process is not accompanied by generating heat, and does not change the electrical characteristic of cable machinery, meets environmental protection standard.
In one embodiment, described core 101 is tin plating twisted copper wires, filament diameter 0.22-0.55mm.It is easy to manufacture, composite manufacturing design actual requirement, reduces cost.
In one embodiment, described lubricating oil is silicone oil.Conductor 10 contact each other can be reduced, it is possible to the abrasion broken string that suppression causes due to the bending of cable.
In one embodiment, described aramid fiber yarn and fire-resistant isinglass belt are wound around the entirety of the mesh grid tensile layer 105 formed is cellular.The tensile layer 105 being wound around the mesh grid formed by aramid fiber yarn and fire-resistant isinglass belt it is provided with between flame-retardant layer 103 and resistance to compression layer 104, strengthen cable in axial tensile strength, and by being provided with the composite braiding net of fire-resistant isinglass belt, conductor 10 is played further flame-resistant insulation effect, and structure is more stable, it is difficult to scatter.
In the description of this specification, the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means that the specific features, structure, material or the feature that combine this embodiment or example description are contained at least one embodiment of the present utility model or example.In this manual, the schematic representation to above-mentioned term is not necessarily referring to identical embodiment or example.And, the specific features of description, structure, material or feature can combine in any one or more embodiments or example in an appropriate manner.
Although above it has been shown and described that embodiment of the present utility model, it is understandable that, above-described embodiment is exemplary, it is not intended that to restriction of the present utility model, above-described embodiment can be changed in the range of this utility model in the case of without departing from principle of the present utility model and objective, revises, replace and modification by those of ordinary skill in the art.
Claims (10)
1. a motor-car low-smoke halogen-free flame-retardant electric wire and cable, it is characterised in that include conductor, described in lead
Body is set to the most stranded seven piece, and each described conductor includes three mutual stranded cores, described in lead
It is provided with lubricating oil between body, is provided with insulating barrier, flame-retardant layer outside each described conductor the most from inside to outside and resists
Laminate layer, is provided with between described flame-retardant layer and described resistance to compression layer to be wound around by aramid fiber yarn and fire-resistant isinglass belt and forms
The tensile layer of mesh grid, the resistance to compression layer outer wrapping screen layer of seven the most stranded described conductors, described screen
Covering layer and be externally provided with sheath, the gap between described resistance to compression layer and described screen layer is filled with high-temperature resistant rubber and squeezes
Covering, the outer wall of described resistance to compression layer is provided with several bossy body along the length direction cincture of described conductor, described
High-temperature resistant rubber extrudes layer and is fitted and fixed with described bossy body.
Motor-car low-smoke halogen-free flame-retardant electric wire and cable the most according to claim 1, it is characterised in that
Described insulating barrier is Teflon layer.
Motor-car low-smoke halogen-free flame-retardant electric wire and cable the most according to claim 1, it is characterised in that
Described flame-retardant layer is irradiated crosslinking low-smoke and halogen-free flame retardant polyolefin layer.
Motor-car low-smoke halogen-free flame-retardant electric wire and cable the most according to claim 1, it is characterised in that
Described resistance to compression layer is ethylene-acrylate elastomer layer.
Motor-car low-smoke halogen-free flame-retardant electric wire and cable the most according to claim 1, it is characterised in that
Described screen layer is aluminium-plastic tape overcoat.
Motor-car low-smoke halogen-free flame-retardant electric wire and cable the most according to claim 1, it is characterised in that
The pitch ratio of described conductor strand is no more than 10.
Motor-car low-smoke halogen-free flame-retardant electric wire and cable the most according to claim 1, it is characterised in that
The surface of described sheath is provided with fluorescent material.
Motor-car low-smoke halogen-free flame-retardant electric wire and cable the most according to claim 1, it is characterised in that
Described core is tin plating twisted copper wires, filament diameter 0.22-0.55mm.
Motor-car low-smoke halogen-free flame-retardant electric wire and cable the most according to claim 1, it is characterised in that
Described lubricating oil is silicone oil.
Motor-car low-smoke halogen-free flame-retardant electric wire and cable the most according to claim 1, it is characterised in that
It is cellular that described aramid fiber yarn and fire-resistant isinglass belt are wound around the entirety of the mesh grid tensile layer formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620102665.8U CN205487440U (en) | 2016-01-31 | 2016-01-31 | Fire -retardant wire and cable of low smoke and zero halogen for motor car |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620102665.8U CN205487440U (en) | 2016-01-31 | 2016-01-31 | Fire -retardant wire and cable of low smoke and zero halogen for motor car |
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| CN205487440U true CN205487440U (en) | 2016-08-17 |
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| CN201620102665.8U Active CN205487440U (en) | 2016-01-31 | 2016-01-31 | Fire -retardant wire and cable of low smoke and zero halogen for motor car |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111933338A (en) * | 2020-08-18 | 2020-11-13 | 深圳市泰士特线缆有限公司 | Low-smoke halogen-free flame-retardant special cable for motor car |
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2016
- 2016-01-31 CN CN201620102665.8U patent/CN205487440U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111933338A (en) * | 2020-08-18 | 2020-11-13 | 深圳市泰士特线缆有限公司 | Low-smoke halogen-free flame-retardant special cable for motor car |
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