CN202487209U - Mineral fireproof cable - Google Patents
Mineral fireproof cable Download PDFInfo
- Publication number
- CN202487209U CN202487209U CN2012200774973U CN201220077497U CN202487209U CN 202487209 U CN202487209 U CN 202487209U CN 2012200774973 U CN2012200774973 U CN 2012200774973U CN 201220077497 U CN201220077497 U CN 201220077497U CN 202487209 U CN202487209 U CN 202487209U
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- cable
- cable core
- mineral matter
- protective sleeve
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Abstract
The utility model relates to a mineral fireproof cable which comprises a cable core and a protective sheath, wherein the protective sheath encloses the cable core, and the cable core comprises a conductor and a fire-resistant insulation layer enclosing the conductor; and the fire-resistant insulation layer adopts a wrapped fire-resistant mica tape layer. The mineral fireproof cable provided by the utility model is provided with a multilayer insulation fire-proof structure, thus multiple protect functions are realized, and the fireproof and insulation performances of the cable disclosed by the utility model are ensured.
Description
Technical field
The utility model relates to the cable technology field, is specifically related to a kind of cable.
Background technology
Common cable adopts conductor to coat the overcoat that one deck polyvinyl chloride insulation layer or rubber processes outward and processes, and the cable manufacturing process of this structure is simple, and is with low cost, but can't satisfy the demand of the fire-proof and explosion-proof industry of a lot of needs.When the cable transmission electric current is big, the overload phenomenon takes place easily, if this moment cable the heat labile words of insulating barrier, be easy to produce open flame source, even interior heat gathers the rubber protective sleeve that to a certain degree is enough to exocuticle and burns, cause fire easily.
The utility model content
The purpose of the utility model is, a kind of mineral matter fireproof cable is provided, and solves above technical problem.
The technical problem that the utility model solved can adopt following technical scheme to realize:
A kind of mineral matter fireproof cable; Comprise a cable core and a protective sleeve, said protective sleeve is coated on outside the said cable core, it is characterized in that; Said cable core comprises the refractory insulating layer that conductor is outer with being coated on said conductor, and said refractory insulating layer adopts wrapped fire-resistant isinglass belt layer.
Fire-resistant isinglass belt has good resistance to elevated temperatures and flame resistance ability, when meeting the naked light burning, does not have the volatilization of harmful smog basically.Behind the wrapped fire-resistant isinglass belt layer, cable core has good hot-face insulation advantage outside conductor.In addition, fire-resistant isinglass belt also has good flexibility, so that cable core also has softness, bending resistance characteristic.
Also be provided with a packed layer between said cable core and the said protective sleeve, said packed layer adopts the mineral matter rope.The mineral matter of the utility model rope is to be raw material with natural rock and mineral etc., in furnace cupola or other tank furnaces, melts, and blows by force at certain pressure, quenching becomes fibrous, processes rope matter matrix then.1250～1400 ℃ of high temperature of mineral matter rope ability.The mineral matter rope of the 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 the protective sleeve as packed layer; Mineral matter rope has burning of not carving 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 heat will be located at outside protective sleeve and ignite even burn and cause fire in stoping.
Said mineral matter rope comprises a rope matter matrix, and said rope matter matrix strand is shaped on mineral fibre.
The rubber protective sleeve that said protective sleeve can adopt rubber to process, the PVC protective sleeve that can also adopt PVC to process.The PVC material has low flammability, high strength, gasproof marquis variability and good geometrical stability.Be set to the PVC protective sleeve at the cable outermost layer, also have advantages of excellent stability.
Said protective sleeve comprises two-layer, is respectively the pottery silastic-layer that is arranged on outer field PVC layer and is arranged on internal layer.It has possessed the fundamental characteristics of silicon rubber good springiness to the potteryization silastic material at normal temperatures; Have nontoxic, tasteless, high-low temperature resistant, anti-ozone aging, weather-proof aging, excellent electric insulation performance; Also possessed common high temperature silicon rubber good processing properties, to about 200 degree above freezing, can keep the flexible cable state at 40 degrees below zero.Attack at flame; Temperature reaches 300 degree when above; Can be converted into rigid sponge ceramic body by original soft condition, the inner hole that produces of fireproof jointing sheath helps insulation after the hardening; The sponge ceramic body has fire-resistant significantly and intercepts action of high temperature like this, thereby effectively protects the internal structure of cable that machinery variation and electrical property variation do not take place.
Also be surrounded with aluminium foil layer between said PVC layer and the said potteryization silastic-layer.Aluminium foil layer both can be used as separator and had isolated two-layer protective sleeve, also can be used as the screen shielded type cable.
The low smoke and zero halogen PVC layer that said PVC layer preferably adopts low smoke and zero halogen PVC material to process.Traditional P VC layer can produce the smog of toxic gases such as containing hydrogen halides, carbon monoxide, carbon dioxide when burning, this not only influences carrying out smoothly of disaster relief work, and lives and properties are caused secondary disaster.And behind the utility model employing low smoke and zero halogen PVC layer, the PVC layer has good weatherability and pliability, can not produce poisonous black smoke when particularly burning, and realizes environmental and durable advantage.
Said cable core comprises at least two, and at least two said cable cores are yi word pattern to be arranged, and adopts said packed layer to fill between the said cable core.
Said cable core comprises at least two, and at least two said cable cores are that the center of circle is evenly distributed with the center of protective sleeve, adopts said packed layer to fill between the said cable core.
Beneficial effect: the utility model is provided with the multilayer insulation fireproof construction, has realized multiple protection functions, has guaranteed the utility model fire-proof insulation.
Description of drawings
Structural representation when Fig. 1 is one for the cable core of the utility model;
A kind of structural representation when Fig. 2 is a plurality of for the cable core of the utility model;
Another kind of structural representation when Fig. 3 is a plurality of for the cable core of the utility model.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and be easy to understand with effect and 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 mineral matter fireproof cable comprises a cable core and a protective sleeve, and protective sleeve is coated on outside the cable core, and cable core comprises conductor 1 and the refractory insulating layer 2 that is coated on outside the conductor 1, and refractory insulating layer 2 adopts wrapped fire-resistant isinglass belt layer.Fire-resistant isinglass belt has good resistance to elevated temperatures and flame resistance ability, when meeting the naked light burning, does not have the volatilization of harmful smog basically.Behind the wrapped fire-resistant isinglass belt layer, cable core has good hot-face insulation advantage outside conductor 1.In addition, fire-resistant isinglass belt also has good flexibility, so that cable core also has softness, bending resistance characteristic.
Also be provided with a packed layer 3 between cable core and the protective sleeve, packed layer 3 adopts the mineral matter rope.The mineral matter of the utility model rope is to be raw material with natural rock and mineral etc., in furnace cupola or other tank furnaces, melts, and blows by force at certain pressure, quenching becomes fibrous, processes rope matter matrix then.1250～1400 ℃ of high temperature of rock wool ability.The mineral matter rope of the 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 make packed layer 3 and is filled between cable core and the protective sleeve; Mineral matter rope has adiabatic performance such as high temperature resistant; The interior heat that makes cable core produce in when transmission of electricity dissipates in packed layer 3, and the protective sleeve that heat will be located at the outside in stoping ignites even burns and cause fire.
The mineral matter rope comprises a rope matter matrix, and rope matter matrix strand is shaped on mineral fibre.
The rubber protective sleeve that protective sleeve can adopt rubber to process, the PVC protective sleeve that can also adopt PVC to process.The PVC material has low flammability, high strength, gasproof marquis variability and good geometrical stability.Be set to the PVC protective sleeve at the cable outermost layer, also have advantages of excellent stability.
Protective sleeve comprises two-layer, is respectively to be arranged on outer field PVC layer 6 and the pottery silastic-layer 4 that is arranged on internal layer.It has possessed the fundamental characteristics of silicon rubber good springiness to the potteryization silastic material at normal temperatures; Have nontoxic, tasteless, high-low temperature resistant, anti-ozone aging, weather-proof aging, excellent electric insulation performance; Also possessed common high temperature silicon rubber good processing properties, to about 200 degree above freezing, can keep the flexible cable state at 40 degrees below zero.Attack at flame; Temperature reaches 300 degree when above; Can be converted into rigid sponge ceramic body by original soft condition, the inner hole that produces of fireproof jointing sheath helps insulation after the hardening; The sponge ceramic body has fire-resistant significantly and intercepts action of high temperature like this, thereby effectively protects the internal structure of cable that machinery variation and electrical property variation do not take place.
Also be surrounded with aluminium foil layer 5 between PVC layer 6 and the potteryization silastic-layer 4.Aluminium foil layer 5 both can be used as separator and had isolated two-layer protective sleeve, also can be used as the screen shielded type cable.The PVC layer 6 preferred low smoke and zero halogen PVC layer that adopts low smoke and zero halogen PVC material to process.Traditional P VC layer can produce the smog of toxic gases such as containing hydrogen halides, carbon monoxide, carbon dioxide when burning, this not only influences carrying out smoothly of disaster relief work, and lives and properties are caused secondary disaster.And behind the utility model employing low smoke and zero halogen PVC layer, the PVC layer has good weatherability and pliability, can not produce poisonous black smoke when particularly burning, and realizes environmental and durable advantage.
With reference to Fig. 2, cable core comprises at least two, and at least two cable cores are yi word pattern to be arranged, and adopts packed layer 3 to fill between the cable core.Cable core among the figure is three, and three cable cores are arranged in delegation, are positioned at the middle part of packed layer.Because said structure has flexibility preferably, therefore can be used for the occasion of frequent crooked the utility model.
With reference to Fig. 3, cable core comprises at least two, and at least two cable cores are that the center of circle is evenly distributed with the center of protective sleeve, adopts packed layer 3 to fill between the cable core.Because said structure can reduce the eddy current loss between the conductor, the signal that therefore can be used for long term distance transmits.
More than show and described basic principle of the utility model and the advantage of principal character and the utility model.The technical staff of the industry should understand; The utility model is not restricted to the described embodiments; The principle of describing in the foregoing description and the specification that the utility model just is described; 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 variations and improvement all fall in the utility model scope that requires protection.The utility model requires protection range to be defined by appending claims and equivalent thereof.
Claims (8)
1. mineral matter fireproof cable; Comprise a cable core and a protective sleeve, said protective sleeve is coated on outside the said cable core, it is characterized in that; Said cable core comprises the refractory insulating layer that conductor is outer with being coated on said conductor, and said refractory insulating layer adopts wrapped fire-resistant isinglass belt layer.
2. a kind of mineral matter fireproof cable according to claim 1 is characterized in that, also is provided with a packed layer between said cable core and the said protective sleeve, and said packed layer adopts the mineral matter rope.
3. a kind of mineral matter fireproof cable according to claim 1 and 2 is characterized in that, the rubber protective sleeve that said protective sleeve adopts rubber to process.
4. a kind of mineral matter fireproof cable according to claim 1 and 2 is characterized in that said protective sleeve comprises two-layer, is respectively the pottery silastic-layer that is arranged on outer field PVC layer and is arranged on internal layer.
5. a kind of mineral matter fireproof cable according to claim 4 is characterized in that, also is surrounded with aluminium foil layer between said PVC layer and the said potteryization silastic-layer.
6. a kind of mineral matter fireproof cable according to claim 5 is characterized in that, the low smoke and zero halogen PVC layer that said PVC layer adopts low smoke and zero halogen PVC material to process.
7. a kind of mineral matter fireproof cable according to claim 6 is characterized in that said cable core comprises at least two, and at least two said cable cores are yi word pattern to be arranged, and adopts said packed layer to fill between the said cable core.
8. a kind of mineral matter fireproof cable according to claim 7 is characterized in that said cable core comprises at least two, and at least two said cable cores are that the center of circle is evenly distributed with the center of protective sleeve, adopts said packed layer to fill between the said cable core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200774973U CN202487209U (en) | 2012-03-02 | 2012-03-02 | Mineral fireproof cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200774973U CN202487209U (en) | 2012-03-02 | 2012-03-02 | Mineral fireproof cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202487209U true CN202487209U (en) | 2012-10-10 |
Family
ID=46961613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200774973U Expired - Lifetime CN202487209U (en) | 2012-03-02 | 2012-03-02 | Mineral fireproof cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202487209U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103871656A (en) * | 2014-03-26 | 2014-06-18 | 江苏荣宜电缆有限公司 | Novel insulating fire-proof power cable |
| CN106448890A (en) * | 2016-08-31 | 2017-02-22 | 龙川秀康威达新型材料有限公司 | High-performance flexible fire-resistant cable |
| CN108831623A (en) * | 2018-06-20 | 2018-11-16 | 江苏汉兴电缆有限公司 | A kind of minerals cable |
| CN111739688A (en) * | 2020-06-16 | 2020-10-02 | 安徽迅普科技有限公司 | Intelligence house is with there being not steamed low fire-retardant fire resisting cable of cigarette and production facility thereof |
-
2012
- 2012-03-02 CN CN2012200774973U patent/CN202487209U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103871656A (en) * | 2014-03-26 | 2014-06-18 | 江苏荣宜电缆有限公司 | Novel insulating fire-proof power cable |
| CN106448890A (en) * | 2016-08-31 | 2017-02-22 | 龙川秀康威达新型材料有限公司 | High-performance flexible fire-resistant cable |
| CN108831623A (en) * | 2018-06-20 | 2018-11-16 | 江苏汉兴电缆有限公司 | A kind of minerals cable |
| CN111739688A (en) * | 2020-06-16 | 2020-10-02 | 安徽迅普科技有限公司 | Intelligence house is with there being not steamed low fire-retardant fire resisting cable of cigarette and production facility thereof |
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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: 20121010 |
|
| CX01 | Expiry of patent term |