CN202816432U - Intrinsic safe type cable with metal sheath - Google Patents
Intrinsic safe type cable with metal sheath Download PDFInfo
- Publication number
- CN202816432U CN202816432U CN 201220511301 CN201220511301U CN202816432U CN 202816432 U CN202816432 U CN 202816432U CN 201220511301 CN201220511301 CN 201220511301 CN 201220511301 U CN201220511301 U CN 201220511301U CN 202816432 U CN202816432 U CN 202816432U
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- cable
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- fire
- mineral
- metal sheath
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Abstract
The utility model relates to the technical field of wires and cables, in particular to an intrinsic safe type cable with a metal sheath, comprising a cable core, wherein the cable core comprises a conductor wire core and a fireproof protection layer arranged outside the conductor wire core, outside the cable core there is also provided a fireproof isolation layer, between the fireproof isolation layer and the cable core there is provided a mineral matter filling layer, the fireproof isolating layer is wrapped with a metal sheath layer, and the fireproof isolation layer employs a fireproof mica tape wrapping tape layer prepared by a fireproof mica tape wrapping tape. The intrinsic safe type cable with a metal sheath enables the electrical performance, mechanism performance and environment resistance to be improved, can satisfy the demands of the intrinsic safe cable, and enables the application range to be further expanded.
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 the market also needs further lifting on essential safety, limited the expansion of its range of application.
The utility model content
The purpose of this utility model is, a kind of intrinsic safety type cable that is provided with metallic sheath is provided, and solves above technical problem.
The technical problem that the utility model solves can realize by the following technical solutions:
Be provided with the intrinsic safety type cable of metallic sheath, 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 the described cable core, the outside of described fire-resistant separator is coated with metal sheath layer;
The wrapped belt of fire-resistant isinglass belt that described fire-resistant separator adopts the fire-resistant isinglass belt twining package tape to make.
Conductor thread core, refractory protection, mineral-filled layer, fire-resistant separator, the metal sheath layer of the utility model by setting gradually, electric property of the present utility model, mechanical performance, environmental resistance get a promotion, and are suitable for the requirement of intrinsic safety type.
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 the fire-resistant separator as packed layer; the mineral matter rope has the incombustible and adiabatic performance such as high temperature resistant; so that the interior heat that cable core produced in when transmission of electricity dissipates in packed layer, heat will be located at outside protective sleeve and ignite even burn and cause fire in stoping.
The wrapped belt of the fire-resistant isinglass belt that described refractory protection also adopts the fire-resistant isinglass belt twining package tape to make; The wrapped belt of fire-resistant isinglass belt has increased insulation property.
Described metal sheath layer adopts the steel sheath layer of steel, the steel sheath layer that described metal sheath layer adopts 304 stainless steels or 314 stainless steels to make.The thickness of described steel sheath layer is 0.3mm-1.8mm.The steel sheath layer that stainless steel is made has good corrosion resistance, good mechanicalness, waterproof, the performance such as explosion-proof is desirable, can select 304 stainless steels or 314 more excellent stainless steels of performance according to use occasion.
The outside of described metal 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 prolong the useful life of metal, enlarge the scope of application, so that the serviceability temperature of metal sheath layer improves relatively.
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: electric property of the present utility model, mechanical performance, environmental resistance get a promotion, and are suitable for the requirement of intrinsic safety type, have further enlarged its range of application.
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; be provided with the intrinsic safety type cable of metallic sheath; comprise a cable core; cable core comprises that a conductor thread core 1, is arranged on the refractory protection 2 outside the 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 the cable core, the outside of fire-resistant separator 4 is coated with metal sheath layer 5.
Conductor thread core 1, refractory protection 2, mineral-filled layer 3, fire-resistant separator 4, the metal sheath layer 5 of the utility model by setting gradually, electric property of the present utility model, mechanical performance, environmental resistance get a promotion, and are suitable for using on the boats and ships.
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 the fire-resistant separator 4 as packed layer; the mineral matter rope has the incombustible and adiabatic performance such as high temperature resistant; so that the interior heat that cable core produced in when transmission of electricity dissipates in packed layer, heat will be located at outside protective sleeve and ignite even burn and cause fire in stoping.
The wrapped belt of fire-resistant isinglass belt that fire-resistant separator 4 adopts the fire-resistant isinglass belt twining package tape to make.The wrapped belt of fire-resistant isinglass belt that refractory protection 2 adopts the fire-resistant isinglass belt twining package tape to make;
The metal sheath layer 5 that metal sheath layer 5 adopts 304 stainless steels or 314 stainless steels to make.The thickness of metal sheath layer 5 is 0.3mm-1.8mm.The outside of metal 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 prolong the useful life of metal, enlarge the scope of application, so that the serviceability temperature of metal sheath layer 5 improves relatively.
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.
More than show 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 the 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. be provided with the intrinsic safety type cable of metallic sheath, 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 the described cable core, the outside of described fire-resistant separator is coated with metal sheath layer;
The wrapped belt of fire-resistant isinglass belt that described fire-resistant separator adopts the fire-resistant isinglass belt twining package tape to make.
2. the intrinsic safety type cable that is provided with metallic 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 intrinsic safety type cable that is provided with metallic sheath according to claim 2 is characterized in that, the wrapped belt of fire-resistant isinglass belt that described refractory protection adopts the fire-resistant isinglass belt twining package tape to make.
4. the described intrinsic safety type cable that is provided with metallic sheath of any one in 3 according to claim 1 is characterized in that described metal sheath layer adopts the steel sheath layer of steel.
5. the intrinsic safety type cable that is provided with metallic sheath according to claim 4 is characterized in that, the thickness of described metal sheath layer is 0.3mm-1.8mm.
6. the intrinsic safety type cable that is provided with metallic 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 intrinsic safety type cable that is provided with metallic 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 |
|---|---|---|---|
| CN 201220511301 CN202816432U (en) | 2012-09-28 | 2012-09-28 | Intrinsic safe type cable with metal sheath |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220511301 CN202816432U (en) | 2012-09-28 | 2012-09-28 | Intrinsic safe type cable with metal sheath |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202816432U true CN202816432U (en) | 2013-03-20 |
Family
ID=47875277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220511301 Expired - Lifetime CN202816432U (en) | 2012-09-28 | 2012-09-28 | Intrinsic safe type cable with metal sheath |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202816432U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103943267A (en) * | 2014-05-12 | 2014-07-23 | 沈兴线缆集团有限公司 | Multifunctional mining intrinsic safety cable and processing method thereof |
-
2012
- 2012-09-28 CN CN 201220511301 patent/CN202816432U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103943267A (en) * | 2014-05-12 | 2014-07-23 | 沈兴线缆集团有限公司 | Multifunctional mining intrinsic safety cable and processing method 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: 20130320 |
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| CX01 | Expiry of patent term |