CN202996369U - Fireproof cable with steel sheath - Google Patents
Fireproof cable with steel sheath Download PDFInfo
- Publication number
- CN202996369U CN202996369U CN2012205970212U CN201220597021U CN202996369U CN 202996369 U CN202996369 U CN 202996369U CN 2012205970212 U CN2012205970212 U CN 2012205970212U CN 201220597021 U CN201220597021 U CN 201220597021U CN 202996369 U CN202996369 U CN 202996369U
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- CN
- China
- Prior art keywords
- layer
- cable
- steel sheath
- mineral
- fireproof
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- 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 - Lifetime
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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Abstract
The utility model relates to a fireproof cable with a steel sheath, comprising a cable wire core, wherein the cable wire core comprises a conductor wire core, and a fireproof protecting layer arranged outside the conductor wire core; a glass fibre lapped layer formed by lapping glass fibres is further arranged outside the cable wire core; a mineral substance filling layer is arranged between the glass fibre lapped layer and the cable wire core; and a steel sheath layer is coated outside the glass fibre lapped layer. With the adoption of the technical scheme aforementioned, the fire-resistant and explosive-proof grade and the environment resistance of the cable wire core are improved.
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 good mechanical performance, anti-electromagnetic interference performance except the General Requirement that satisfies general cable, the inflammable hazardous environment that is applicable to explode satisfies the requirement of essential safe type.Destruction or interference as factors such as current overload, mechanical collision, the high heat of high temperature, acid and alkali corrosions in day-to-day operation, often can occur in existing various types of cable, use and impact is normal, also need further lifting on its intrinsic safety.
The utility model content
The purpose of this utility model is, a kind of fireproof cable with steel sheath is provided, and solves above technical problem.
The technical problem that the utility model solves can realize by the following technical solutions:
Fireproof cable with steel sheath; comprise a cable core; described cable core comprises that a conductor thread core, is arranged on the outer fireproof jointing sheath of described conductor thread core; it is characterized in that; the outside of described cable core also is provided with the wrapped glass fiber lapping layer of making of a glass fiber; be provided with mineral-filled layer between described glass fiber lapping layer and described cable core, the outside of described glass fiber lapping layer is coated with a steel sheath layer.
Conductor thread core, fireproof jointing sheath, mineral-filled layer, glass fiber lapping layer, the steel sheath layer of the utility model by setting gradually gets a promotion the fire-resistant explosive-proof grade of described cable core.The glass fiber lapping layer has improved the power physical property, effectively plays fire prevention and flexible purpose.
The mineral-filled layer that described mineral-filled layer adopts the mineral matter rope to form.Described mineral matter rope comprises a rope matter matrix, and described 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 glass fiber lapping layer 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 described fireproof jointing sheath 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 steel sheath layer that described steel sheath layer adopts 314 or 304 stainless steels to make.The thickness of described steel sheath layer is 0.3mm-1.5mm.
The outside of described steel sheath 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 steel sheath 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: owing to adopting above technical scheme, with fire-resistant explosive-proof grade and environment resistant the getting a promotion of described cable core.
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; fireproof cable with steel sheath; comprise a cable core; cable core comprises that a conductor thread core 1, is arranged on the outer fireproof jointing sheath 2 of conductor thread core 1; the outside of cable core also is provided with the wrapped glass fiber lapping layer 4 of making of a glass fiber; be provided with mineral-filled layer 3 between glass fiber lapping layer 4 and cable core, the outside of glass fiber lapping layer 4 is coated with steel sheath layer 5.
Conductor thread core 1, fireproof jointing sheath 2, mineral-filled layer 3, glass fiber lapping layer 4, the steel sheath layer 5 of the utility model by setting gradually gets a promotion the fire-resistant explosive-proof grade of cable core, guaranteed the essential safety of fire-resisting cable.The glass fiber lapping layer has improved the power physical property, effectively plays fire prevention and flexible purpose.
The mineral-filled layer 3 that mineral-filled layer 3 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 glass fiber lapping layer 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 fireproof jointing sheath 2 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 steel sheath layer 5 that steel sheath layer 5 adopts 314 or 304 stainless steels to make.The thickness of steel sheath layer 5 is 0.3mm-1.5mm.The outside of steel sheath 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 steel sheath layer 5 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 (7)
1. with the fireproof cable of steel sheath; comprise a cable core; described cable core comprises that a conductor thread core, is arranged on the outer fireproof jointing sheath of described conductor thread core; it is characterized in that; the outside of described cable core also is provided with the wrapped glass fiber lapping layer of making of a glass fiber; be provided with mineral-filled layer between described glass fiber lapping layer and described cable core, the outside of described glass fiber lapping layer is coated with the steel sheath layer.
2. the fireproof cable with steel sheath 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. the fireproof cable with steel sheath according to claim 2, is characterized in that, the ceramic silicon rubber layer that described fireproof jointing sheath adopts ceramic silicon rubber to make.
4. the described fireproof cable with steel sheath of any one according to claim 1 to 3, is characterized in that, the steel sheath layer that described steel sheath layer adopts 314 stainless steels to make.
5. the fireproof cable with steel sheath according to claim 4, is characterized in that, the thickness of described steel sheath layer is 0.3mm-1.5mm.
6. the fireproof cable with steel sheath 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.
7. the fireproof cable with steel sheath according to claim 1, is characterized in that, the inside of described mineral-filled layer is filled with four described cable cores, and four described cable cores are matrix pattern and arrange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012205970212U CN202996369U (en) | 2012-11-13 | 2012-11-13 | Fireproof cable with steel sheath |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012205970212U CN202996369U (en) | 2012-11-13 | 2012-11-13 | Fireproof cable with steel sheath |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202996369U true CN202996369U (en) | 2013-06-12 |
Family
ID=48567515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012205970212U Expired - Lifetime CN202996369U (en) | 2012-11-13 | 2012-11-13 | Fireproof cable with steel sheath |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202996369U (en) |
-
2012
- 2012-11-13 CN CN2012205970212U patent/CN202996369U/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 | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160321 Address after: 200000 Shanghai City Jin Ju Lu Fengxian District Jinhui town No. 388 building 3 1 workshop Patentee after: SHANGHAI SHANGJIN NEW ENERGY TECHNOLOGY DEVELOPMENT CO.,LTD. Address before: 201400 No. 1468 money highway, Shanghai, Fengxian District Patentee before: SHANGHAI YONGJIN SPECIAL CABLE Co.,Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20130612 |
|
| CX01 | Expiry of patent term |