CN202948759U - Fireproof cable - Google Patents
Fireproof cable Download PDFInfo
- Publication number
- CN202948759U CN202948759U CN 201220511303 CN201220511303U CN202948759U CN 202948759 U CN202948759 U CN 202948759U CN 201220511303 CN201220511303 CN 201220511303 CN 201220511303 U CN201220511303 U CN 201220511303U CN 202948759 U CN202948759 U CN 202948759U
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- cable
- fire
- fireproof
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- mineral
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Abstract
The utility model relates to the technical field of wire cables and specifically relates to a cable. A fireproof cable comprises a cable core. The cable core comprises conductor cores and fireproof protective layers arranged on the outer sides of the conductor cores. A fireproof separating layer is further arranged outside the cable core. A mineral matter filling layer is arranged between the fireproof separating layer and the cable core. A protective sleeve layer is wrapped on the outer side of the fireproof separating layer. A multi-protection function is achieved. The intrinsic safety of the fireproof cable is ensured. The fireproof explosion-proof grade of the fireproof cable is improved. The electrical performances, the mechanical performances and the environment resistant performances of the fireproof cable are further enhanced. The application range of the fireproof cable can be widened. The service lifetime of the fireproof cable can be further prolonged.
Description
Technical field
The utility model relates to technical field of electric wires and cables, is specifically related to a kind of cable.
Background technology
Cable used in the industries such as chemical industry, petrochemical industry, electric power, mine also must have more excellent performance aspect fire resistance except the General Requirement that satisfies general cable, the inflammable hazardous environment that is applicable to explode satisfies the requirement of essential safe type.Along with the continuous expansion in fire-resisting cable field, the use occasion of fire-resisting cable is harsher than in the past, and existing fire-resisting cable needs further to promote at anti-higher temperature, aspect increasing the service life in severe rugged environment.
The utility model content
The purpose of this utility model is, a kind of fire-resisting cable is provided, and solves above technical problem.
The technical problem that the utility model solves can realize by the following technical solutions:
A kind of fire-resisting cable; comprise a cable core; described cable core comprises that a conductor thread core, is arranged on the outer refractory protection of described conductor thread core; it is characterized in that; the outside of described cable core also is provided with a fire-resistant separator; be provided with mineral-filled layer between described fire-resistant separator and described cable core, the outside of described fire-resistant separator is coated with the protection jacket layer.
Conductor thread core, refractory protection, mineral-filled layer, fire-resistant separator, the protection jacket layer of the utility model by setting gradually further promoted the fire-resistant explosive-proof grade of described cable core and electric property, mechanical performance, environmental resistance.
The mineral-filled layer that described mineral-filled layer adopts the mineral matter rope to form.
Mineral matter rope of the present utility model is take natural rock and mineral etc. as raw material, melts in furnace cupola or other tank furnaces, blows by force at certain pressure, quenching becomes fibrous, then makes rope matter matrix.1250～1400 ℃ of high temperature of mineral matter rope ability.Mineral matter rope of the present utility model has good heat-insulating property.And itself belongs to the inanimate matter silicate fiber, and is incombustible.The utility model adopts the mineral matter rope to be filled between cable core and fire-resistant separator as packed layer; the mineral matter rope has the incombustible and adiabatic performance such as high temperature resistant; the interior heat that makes cable core produce in when transmission of electricity dissipates in packed layer, and in stoping, heat will be located at outside protective sleeve and ignite and even burn and cause fire.
Described mineral matter rope comprises a rope matter matrix, and described rope matter matrix strand is shaped with mineral fibre.
The ceramic silicon rubber layer that described refractory protection adopts ceramic silicon rubber to make.The ceramic silicon rubber layer that described fire-resistant separator also adopts ceramic silicon rubber to make.It has possessed the good fundamental characteristics of silicon rubber elastic to the ceramic silicon elastomeric material at normal temperatures, have nontoxic, tasteless, high-low temperature resistant, anti-ozone aging, weather-proof aging, good electrical insulation capability, also possessed the good processing characteristics of common high temperature silicon rubber, can keep the flexible cable state at 40 degrees below zero to about 200 degree above freezing.Attack at flame; temperature reaches 300 degree when above; can be converted to by original soft condition rigid sponge ceramic body; the inner hole that produces of fireproof jointing sheath after hardening; be conducive to insulation; the sponge ceramic body has significantly fire-resistant effect with intercepting high temperature like this, thereby effectively protects the internal structure of cable that machinery variation and electrical property variation do not occur.
The protection jacket layer that described protection jacket layer adopts seamless copper pipe to make.The thickness of described protection jacket layer is 0.5mm-1.8mm.The protection jacket layer inside of making because of seamless copper pipe is provided with the ceramic silicon rubber layer; the inside filling mineral matter rope of ceramic silicon rubber layer; and the mineral matter rope is tightly compacted; imflammable gas, oily vapour, flame just can not arrive the electric equipment that is connected with fire-resisting cable, thereby it is explosion-proof to reach fire-resisting cable.Because the metallic sheath of cable has certain intensity and toughness, the mineral matter rope in the cable course of processing again through high compression, so cable is when being out of shape by bending, flattening, torsion etc., between heart yearn and the relative position between heart yearn and sheath remain unchanged, can not produce short circuit, can not affect electric property yet, improve significantly the ability of the anti-mechanical damage of cable.
The outside of described protection jacket layer is provided with a zinc coat.Further improve the anticorrosive property of protection jacket layer, have the occasion of strict demand can improve anticorrosive property in some chemical industries to corrosion resistance.
The outside of described protection jacket layer is provided with high-temperature ceramic coating; by high-temperature ceramic coating, improve the heatproof of metal substrate, the performance such as wear-resisting, anti-oxidant, corrosion-resistant, thereby extend the useful life of metal; enlarge the scope of application, make the serviceability temperature of protection jacket layer relatively improve.
The inside of described mineral-filled layer is filled with at least one described cable core.
The inside of described mineral-filled layer is filled with at least two described cable cores.At least two described cable cores are yi word pattern and arrange.
The inside of described mineral-filled layer is filled with at least three described cable cores.At least three described cable cores are yi word pattern or Chinese character pin-shaped arrangement, and the inside of described mineral-filled layer is filled with four described cable cores.Four described cable cores are matrix pattern and arrange.
Beneficial effect: fire-resistant explosive-proof grade of the present utility model and electric property, mechanical performance, environmental resistance are further promoted, and are conducive to the expansion of range of application and increase the service life.
Description of drawings
Fig. 1 is a kind of structural representation of the utility model;
Fig. 2 is the another kind of structural representation of the utility model;
Fig. 3 is the another kind of structural representation of the utility model.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose with effect is easy to understand, below in conjunction with the further elaboration the utility model of concrete diagram.
With reference to Fig. 1, Fig. 2, Fig. 3; a kind of fire-resisting cable; comprise a cable core; cable core comprises that a conductor thread core 1, is arranged on the outer refractory protection 2 of conductor thread core 1; the outside of cable core also is provided with a fire-resistant separator 4; be provided with mineral-filled layer 3 between fire-resistant separator 4 and cable core, the outside of fire-resistant separator 4 is coated with protection jacket layer 5.
Conductor thread core 1, refractory protection 2, mineral-filled layer 3, fire-resistant separator 4, the protection jacket layer 5 of the utility model by setting gradually further promoted the fire-resistant explosive-proof grade of cable core and electric property, mechanical performance, environmental resistance.
The mineral-filled layer 3 that mineral-filled layer 3 adopts the mineral matter rope to form.The mineral matter rope comprises a rope matter matrix, and rope matter matrix strand is shaped with mineral fibre.Mineral matter rope of the present utility model is take natural rock and mineral etc. as raw material, melts in furnace cupola or other tank furnaces, blows by force at certain pressure, quenching becomes fibrous, then makes rope matter matrix.1250～1400 ℃ of high temperature of mineral matter rope ability.Mineral matter rope of the present utility model has good heat-insulating property.And itself belongs to the inanimate matter silicate fiber, and is incombustible.The utility model adopts the mineral matter rope to be filled between cable core and fire-resistant separator 4 as packed layer; the mineral matter rope has the incombustible and adiabatic performance such as high temperature resistant; the interior heat that makes cable core produce in when transmission of electricity dissipates in packed layer, and in stoping, heat will be located at outside protective sleeve and ignite and even burn and cause fire.
The ceramic silicon rubber layer that refractory protection 2 adopts ceramic silicon rubber to make.The ceramic silicon rubber layer that fire-resistant separator 4 also adopts ceramic silicon rubber to make.It has possessed the good fundamental characteristics of silicon rubber elastic to the ceramic silicon elastomeric material at normal temperatures, have nontoxic, tasteless, high-low temperature resistant, anti-ozone aging, weather-proof aging, good electrical insulation capability, also possessed the good processing characteristics of common high temperature silicon rubber, can keep the flexible cable state at 40 degrees below zero to about 200 degree above freezing.Attack at flame; temperature reaches 300 degree when above; can be converted to by original soft condition rigid sponge ceramic body; the inner hole that produces of fireproof jointing sheath after hardening; be conducive to insulation; the sponge ceramic body has significantly fire-resistant effect with intercepting high temperature like this, thereby effectively protects the internal structure of cable that machinery variation and electrical property variation do not occur.
The protection jacket layer 5 that protection jacket layer 5 adopts seamless copper pipe to make.The thickness of protection jacket layer 5 is 0.5mm-1.8mm.Protection jacket layer 5 inside of making because of seamless copper pipe are provided with the ceramic silicon rubber layer; the inside filling mineral matter rope of ceramic silicon rubber layer; and the mineral matter rope is tightly compacted; imflammable gas, oily vapour, flame just can not arrive the electric equipment that is connected with fire-resisting cable, thereby it is explosion-proof to reach fire-resisting cable.Because the metallic sheath of cable has certain intensity and toughness, the mineral matter rope in the cable course of processing again through high compression, so cable is when being out of shape by bending, flattening, torsion etc., between heart yearn and the relative position between heart yearn and sheath remain unchanged, can not produce short circuit, can not affect electric property yet, improve significantly the ability of the anti-mechanical damage of cable.The outside of protection jacket layer 5 is provided with a zinc coat.Further improve the anticorrosive property of protection jacket layer.
The outside of protection jacket layer 5 is provided with high-temperature ceramic coating; by high-temperature ceramic coating, improve the heatproof of metal substrate, the performance such as wear-resisting, anti-oxidant, corrosion-resistant, thereby extend the useful life of metal; enlarge the scope of application, make the serviceability temperature of protection jacket layer relatively improve.
The inside of mineral-filled layer 3 is filled with at least one cable core.The inside of mineral-filled layer 3 is filled with at least two cable cores.At least two cable cores are yi word pattern and arrange.
The inside of mineral-filled layer 3 is filled with at least three cable cores.At least three cable cores are yi word pattern or Chinese character pin-shaped arrangement, and the inside of mineral-filled layer 3 is filled with four cable cores.Four cable cores are matrix pattern and arrange.
Above demonstration and described basic principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that describes in above-described embodiment and specification just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (8)
1. fire-resisting cable; comprise a cable core; described cable core comprises that a conductor thread core, is arranged on the outer refractory protection of described conductor thread core; it is characterized in that; the outside of described cable core also is provided with a fire-resistant separator; be provided with mineral-filled layer between described fire-resistant separator and described cable core, the outside of described fire-resistant separator is coated with the protection jacket layer.
2. a kind of fire-resisting cable according to claim 1, is characterized in that, the mineral-filled layer that described mineral-filled layer adopts the mineral matter rope to form.
3. a kind of fire-resisting cable according to claim 2, is characterized in that, the ceramic silicon rubber layer that described refractory protection adopts ceramic silicon rubber to make.
4. a kind of fire-resisting cable according to claim 3, is characterized in that, the ceramic silicon rubber layer that described fire-resistant separator also adopts ceramic silicon rubber to make.
5. the described a kind of fire-resisting cable of any one according to claim 1 to 4, is characterized in that, the protection jacket layer that described protection jacket layer adopts seamless copper pipe to make.
6. a kind of fire-resisting cable according to claim 5, is characterized in that, the thickness of described protection jacket layer is 0.5mm-1.8mm.
7. a kind of fire-resisting cable according to claim 1, is characterized in that, the inside of described mineral-filled layer is filled with at least two described cable cores, and at least two described cable cores are yi word pattern and arrange.
8. a kind of fire-resisting cable according to claim 1, is characterized in that, the inside of described mineral-filled layer is filled with at least three described cable cores, and at least three described cable cores are yi word pattern.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220511303 CN202948759U (en) | 2012-09-28 | 2012-09-28 | Fireproof cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220511303 CN202948759U (en) | 2012-09-28 | 2012-09-28 | Fireproof cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202948759U true CN202948759U (en) | 2013-05-22 |
Family
ID=48424451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220511303 Expired - Lifetime CN202948759U (en) | 2012-09-28 | 2012-09-28 | Fireproof cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202948759U (en) |
-
2012
- 2012-09-28 CN CN 201220511303 patent/CN202948759U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130522 |
|
| CX01 | Expiry of patent term |