CN203386489U - Flexible conductor compound insulated double-shielded anti-interference low-voltage fire-resistant cable - Google Patents
Flexible conductor compound insulated double-shielded anti-interference low-voltage fire-resistant cable Download PDFInfo
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- CN203386489U CN203386489U CN201320337602.7U CN201320337602U CN203386489U CN 203386489 U CN203386489 U CN 203386489U CN 201320337602 U CN201320337602 U CN 201320337602U CN 203386489 U CN203386489 U CN 203386489U
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Abstract
The utility model relates to a flexible conductor compound insulated double-shielded anti-interference low-voltage fire-resistant cable, which mainly comprises cable cores and protective layers, and conductors, insulating layers, phase-splitting metal shielding layers, a fire-resistant filling layer, a halogen-free glass fiber wrapping layer, a metal shielding layer, a separating layer, a metal armor layer and an outer protective layer are successively disposed from inside to outside; and a copper strip shielding layer is wrapped outside each insulating layer by one phase-splitting metal shielding layer, a copper strip shielding layer is wrapped outside the fire-resistant filling layer by the halogen-free glass fiber wrapping layer, and each insulating layer is composed of a fire-resistant insulating layer and a halogen-free insulating layer. Bending performance of the cable is improved, insulation is provided with performances of fire-resistance, low toxicity, low smoke and high insulation, and electric field uniformity, shielding anti-interference performance and anti-magnetic performance of the cable are ensured.
Description
Technical field
The utility model relates to cable, relates in particular to the anti-interference low pressure fire-resisting cable of a kind of flexible conductor compound inslation double shield.
Technical background
Along with the development of oil, chemical industry, mining industry, shipbuilding industry and Process of Urbanization Construction, the construction in various industrial buildings, skyscraper, large-scale public place of entertainment and public security place, also more and more higher to the fire safety requirement of supply line in fire-fighting system.This is mainly for when fire occurs, and can continue to keep one section power-on time, is convenient to personal security and withdraws.The application of cable is very extensive at present, and the cable kind of underground laying is also a lot, can not the phase mutual interference when operation.
The utility model content
The utility model has solved the problems referred to above well, provide a kind of rated voltage 3kV and following fire safe type, anti-electromagnetic interference, good, the safe flexible conductor compound inslation double shield of environment protecting low pressure fire-resisting cable.
For realizing above purpose, by the following technical solutions:
The anti-interference low pressure fire-resisting cable of a kind of flexible conductor compound inslation double shield, it mainly comprises cable core and overcoat, conductor, insulating barrier, phase-splitting metal screen layer, fire-resistant packed layer, halogen-free glass fiber lapping layer, metal screen layer, separator, metal armouring layer, outer jacket from inside to outside successively, the phase-splitting metal screen layer is wrapped copper strip shielding layer outside insulating barrier, the halogen-free glass fiber lapping layer is wrapped copper strip shielding layer outside fire-resistant packed layer, and described insulating barrier is comprised of refractory insulating layer and Halogen insulating barrier.
Described cable core stranding number is 3, adopts the 5th kind of multiply synnema soft copper conductor.
Refractory insulating layer adopts double-deck synthetic mica tape.
The fire-resistant packed layer of described phase-splitting metal screen layer and halogen-free glass fiber lapping layer is halogen glass fibre filling rope.
Described separator is comprised of low smoke, zero halogen oxygen barrier layer protective cover material.
Described outer jacket is comprised of the halogen-free and low-smoke flame-retardant polyolefin oversheath.
The utility model advantage: conductor has flexibility, improves the bending property of cable.Insulation has the performance of fire-resistant, low toxicity, the high insulation of low cigarette, guarantees effective operation of circuit under home, also can guarantee in the situation that 950 ℃ of circuit continuous services of fire temperature at least 3 hours reach A level fire resistance.Its dual shield has guaranteed the effect of field uniformity, shielding anti-interference, Antimagnetic and the protection cable security of operation of cable; When laying together with electric wire, can not produce and disturb signal, control line.Its separator, outer jacket adopt bittern-free flame-proof material, have guaranteed the hypotoxicity of cable, low cigarette, anti-flammability and anticorrosive property, have met the requirement of environment-friendly cable.
The accompanying drawing explanation
Fig. 1 is structural representation of the present utility model
Conductor as shown in the figure 1; 2, insulating barrier; 3, phase-splitting metal screen layer; 4, fire-resistant packed layer; 5, halogen-free glass fiber lapping layer; 6, metal screen layer; 7, separator; 8, metal armouring layer; 9, outer jacket; 10, refractory insulating layer; 11, Halogen insulating barrier.
Embodiment
Embodiment
As shown in Figure 1,3 cable cores are equilateral triangle to be arranged, and conductor (1) is stranded or press rear wrapped refractory insulating layer (10), then extrudes Halogen insulating barrier (11), wrapped phase-splitting metal screen layer (3) outside Halogen insulating barrier (11); After being shielded to the core twisted synthesizing cable, phase-splitting insulation fills halogen-free glass fiber gasket for packing, wrapped halogen-free glass fiber lapping layer (5) at fire-resistant packed layer (4); Again turnkey copper strips metal layer shields (6), extrude halogen-free flameproof oxygen barrier separator (7), wrapped metal armouring layer (8), extrude Halogen outer jacket (9).
Claims (6)
1. the anti-interference low pressure fire-resisting cable of flexible conductor compound inslation double shield, it mainly comprises cable core and overcoat, conductor (1) from inside to outside successively, insulating barrier (2), phase-splitting metal screen layer (3), fire-resistant packed layer (4), halogen-free glass fiber lapping layer (5), metal screen layer (6), separator (7), metal armouring layer (8), outer jacket (9), it is characterized in that, phase-splitting metal screen layer (3) is wrapped copper strip shielding layer outside insulating barrier (2), halogen-free glass fiber lapping layer (5) is at the outer wrapped copper strip shielding layer of fire-resistant packed layer (4), described insulating barrier (2) is comprised of refractory insulating layer (10) and Halogen insulating barrier (11).
2. the anti-interference low pressure fire-resisting cable of a kind of flexible conductor compound inslation double shield according to claim 1, is characterized in that, described cable core stranding number is 3 and is the equilateral triangle arrangement, adopts the 5th kind of soft copper conductor be hinged to form by the multiply synnema.
3. the anti-interference low pressure fire-resisting cable of a kind of flexible conductor compound inslation double shield according to claim 1, is characterized in that, refractory insulating layer (10) adopts double-deck synthetic mica tape.
4. the anti-interference low pressure fire-resisting cable of a kind of flexible conductor compound inslation double shield according to claim 1, is characterized in that, the fire-resistant packed layer (4) of described phase-splitting metal screen layer (3) and halogen-free glass fiber lapping layer (5) is the halogen-free glass fiber gasket for packing.
5. the anti-interference low pressure fire-resisting cable of a kind of flexible conductor compound inslation double shield according to claim 1, is characterized in that, described separator (7) is comprised of low smoke, zero halogen oxygen barrier layer protective cover material.
6. the anti-interference low pressure fire-resisting cable of a kind of flexible conductor compound inslation double shield according to claim 1, is characterized in that, described outer jacket (9) is comprised of the halogen-free and low-smoke flame-retardant polyolefin oversheath.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320337602.7U CN203386489U (en) | 2013-06-13 | 2013-06-13 | Flexible conductor compound insulated double-shielded anti-interference low-voltage fire-resistant cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320337602.7U CN203386489U (en) | 2013-06-13 | 2013-06-13 | Flexible conductor compound insulated double-shielded anti-interference low-voltage fire-resistant cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203386489U true CN203386489U (en) | 2014-01-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320337602.7U Expired - Fee Related CN203386489U (en) | 2013-06-13 | 2013-06-13 | Flexible conductor compound insulated double-shielded anti-interference low-voltage fire-resistant cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203386489U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103886980A (en) * | 2014-02-28 | 2014-06-25 | 安徽幸福电器电缆有限公司 | Flame-retardant cable |
| CN103903799A (en) * | 2014-03-04 | 2014-07-02 | 安徽恒晶电缆集团有限公司 | Double-shielding and anti-interference power cable |
| CN103985457A (en) * | 2014-04-24 | 2014-08-13 | 安徽徽宁电器仪表集团有限公司 | Shield cable |
| CN104078123A (en) * | 2014-06-10 | 2014-10-01 | 辽宁宝林集团大连金州电缆有限公司 | Environment-friendly double-shielded low-voltage fire-resistant compound insulating high-flame-retardant flexible cable |
| CN104616807A (en) * | 2015-01-22 | 2015-05-13 | 安徽凌宇电缆科技有限公司 | Low-smoke zero-halogen reinforced waterproof flexible fire-proof cable |
| CN105448388A (en) * | 2015-12-03 | 2016-03-30 | 成都格瑞思文化传播有限公司 | Safe pressure-proof cable |
| CN105632619A (en) * | 2016-02-02 | 2016-06-01 | 安徽幸福电器电缆有限公司 | Three-core twisted-pair cable for computer |
-
2013
- 2013-06-13 CN CN201320337602.7U patent/CN203386489U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103886980A (en) * | 2014-02-28 | 2014-06-25 | 安徽幸福电器电缆有限公司 | Flame-retardant cable |
| CN103903799A (en) * | 2014-03-04 | 2014-07-02 | 安徽恒晶电缆集团有限公司 | Double-shielding and anti-interference power cable |
| CN103985457A (en) * | 2014-04-24 | 2014-08-13 | 安徽徽宁电器仪表集团有限公司 | Shield cable |
| CN104078123A (en) * | 2014-06-10 | 2014-10-01 | 辽宁宝林集团大连金州电缆有限公司 | Environment-friendly double-shielded low-voltage fire-resistant compound insulating high-flame-retardant flexible cable |
| CN104616807A (en) * | 2015-01-22 | 2015-05-13 | 安徽凌宇电缆科技有限公司 | Low-smoke zero-halogen reinforced waterproof flexible fire-proof cable |
| CN105448388A (en) * | 2015-12-03 | 2016-03-30 | 成都格瑞思文化传播有限公司 | Safe pressure-proof cable |
| CN105632619A (en) * | 2016-02-02 | 2016-06-01 | 安徽幸福电器电缆有限公司 | Three-core twisted-pair cable for computer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140108 Termination date: 20150613 |
|
| EXPY | Termination of patent right or utility model |