CN202948747U - Intrinsically safe type fireproof cable - Google Patents
Intrinsically safe type fireproof cable Download PDFInfo
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- CN202948747U CN202948747U CN 201220511449 CN201220511449U CN202948747U CN 202948747 U CN202948747 U CN 202948747U CN 201220511449 CN201220511449 CN 201220511449 CN 201220511449 U CN201220511449 U CN 201220511449U CN 202948747 U CN202948747 U CN 202948747U
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Abstract
The utility model relates to the technical field of wires and cables and specifically relates to a cable. An intrinsically safe type fireproof cable comprises a cable core. The cable core comprises conductor wire cores and fireproof protection layers arranged on the outer sides of the conductor wire cores. A fiberglass taped covering layer made of fiberglass lapping is arranged on the outer part of the cable core. A mineral matter filling layer is arranged between the fiberglass taped covering layer and the cable core. A protective sleeve layer is wrapped on the outer part of the fiberglass taped covering layer. The fireproof explosion-proof grade of the cable core is increased. The intrinsic safety of the fireproof cable is ensured.
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.Fire-resisting cable on market also needs further lifting on essential safety, be beneficial to the expansion of the scope of application.
The utility model content
The purpose of this utility model is, a kind of fire-resisting cable of essential safe type is provided, and solves above technical problem.
The technical problem that the utility model solves can realize by the following technical solutions:
The fire-resisting cable of essential safe type; 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 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 protection jacket layer.
Conductor thread core, refractory protection, mineral-filled layer, glass fiber lapping layer, the protection jacket layer of the utility model by setting gradually gets a promotion the fire-resistant explosive-proof grade of described 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 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 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.
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.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 0.3mm-1.5mm.Protection jacket layer made of copper has stronger corrosion resistance, high mechanical strength, anti-electromagnetic interference, and the protection jacket layer that seamless copper pipe is made has determined the utlity model has good electric property, mechanical performance, environmental resistance.And adopt protection jacket layer that seamless copper pipe is made can organize flammable oil vapour, imflammable gas and flame to enter by cable the electric equipment that is connected with cable with its cable termination that is tightly connected and play explosion-proof, be the best guarantee in explosion-proof performance requirement place.Protect simultaneously jacket layer to adopt seamless copper pipe to draw and form, thereby moisture can enter cable inside without any approach, be the ideal chose in some places as larger in wetness such as underground mines.
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: owing to adopting above technical scheme, the fire-resistant explosive-proof grade of described cable core is got a promotion, guaranteed the essential safety of fire-resisting cable.
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; the fire-resisting cable of essential safe type; 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 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 protection jacket layer 5.
Conductor thread core 1, refractory protection 2, mineral-filled layer 3, glass fiber lapping layer 4, the protection jacket 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 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 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 refractory protection 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 protection jacket layer 5 that protection jacket layer 5 adopts seamless copper pipe to make.The thickness of protection jacket layer 5 is 0.3mm-1.5mm.Protection jacket layer 5 made of copper has stronger corrosion resistance, high mechanical strength, anti-electromagnetic interference, and the protection jacket layer 5 that seamless copper pipe is made has determined the utlity model has good electric property, mechanical performance, environmental resistance.And adopt protection jacket layer 5 that seamless copper pipe is made can organize flammable oil vapour, imflammable gas and flame to enter by cable the electric equipment that is connected with cable with its cable termination that is tightly connected and play explosion-proof, be the best guarantee in explosion-proof performance requirement place.Protect simultaneously jacket layer 5 to adopt seamless copper pipes to draw and form, thereby moisture can enter cable inside without any approach, be the ideal chose in some places as larger in wetness such as underground mines.
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 (7)
1. the fire-resisting cable of essential safe type; 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 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 protection jacket layer.
2. the fire-resisting cable of essential safe type 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 fire-resisting cable of essential safe type according to claim 2, is characterized in that, the ceramic silicon rubber layer that described refractory protection adopts ceramic silicon rubber to make.
4. the fire-resisting cable of the described essential safe type of any one according to claim 1 to 3, is characterized in that, the protection jacket layer that described protection jacket layer adopts seamless copper pipe to make.
5. the fire-resisting cable of essential safe type according to claim 4, is characterized in that, the thickness of described protection jacket layer is 0.3mm-1.5mm.
6. the fire-resisting cable of essential safe type 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 fire-resisting cable of essential safe type 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 |
|---|---|---|---|
| CN 201220511449 CN202948747U (en) | 2012-09-28 | 2012-09-28 | Intrinsically safe type fireproof cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220511449 CN202948747U (en) | 2012-09-28 | 2012-09-28 | Intrinsically safe type fireproof cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202948747U true CN202948747U (en) | 2013-05-22 |
Family
ID=48424439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220511449 Expired - Lifetime CN202948747U (en) | 2012-09-28 | 2012-09-28 | Intrinsically safe type fireproof cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202948747U (en) |
-
2012
- 2012-09-28 CN CN 201220511449 patent/CN202948747U/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 | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130522 |