CN205038997U - Heat -resisting fire -retardant fire prevention power cable - Google Patents
Heat -resisting fire -retardant fire prevention power cable Download PDFInfo
- Publication number
- CN205038997U CN205038997U CN201520812951.9U CN201520812951U CN205038997U CN 205038997 U CN205038997 U CN 205038997U CN 201520812951 U CN201520812951 U CN 201520812951U CN 205038997 U CN205038997 U CN 205038997U
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- conductor
- flame retardant
- retardant coating
- layer
- interior
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Abstract
The utility model provides a heat -resisting fire -retardant fire prevention power cable, includes the conductor, the outer from interior to exterior of conductor is the interior flame retardant coating of cladding, outer flame retardant coating, the inner insulating layer and external insulation layer in proper order, conductor, interior flame retardant coating, outer flame retardant coating, the inner insulating layer and external insulation layer constitute insulation core, and at least two insulation core hank composite cable core, cable core inner gap set up the filling layer, and the outer from interior to exterior of cable core cladding in proper order is interior around the covering, outward around covering, outer jacket. The design of this kind of structure has improved the fireproof property of cable, fire -retardant characteristic, heat -resistant property and insulating electric property, ensure the cable when the work operation, each item performance index homoenergetic reaches the excellence.
Description
Technical field
The utility model relates to a kind of cable, is the cable of a kind of fire prevention, environmental protection specifically.
Background technology
Along with the raising that state security department requires public place, skyscraper, the place safety such as densely populated, the cable that these places are selected should meet fire-retardant, heat-resisting, fire prevention and environmental requirement, cable enterprise, for adapting to social demand, develops the fireproof environmental cable being applicable to more high-environmental requirement.
Utility model content
For solving the problem, the utility model provides a kind of heat-proof combustion-resistant fire proof power cable.
The technical solution of the utility model is: a kind of heat-proof combustion-resistant fire proof power cable, comprise conductor, described conductor outer coated interior flame retardant coating, outer flame retardant coating, inner insulating layer and external insulation layer successively from the inside to the outside, described conductor, interior flame retardant coating, outer flame retardant coating, inner insulating layer and external insulation layer form insulated wire cores, at least two insulated wire cores are twisted into cable core, cable core internal clearance arranges packed layer, cable core coated interior lapping layer, outer lapping layer, outer jacket successively from the inside to the outside outward.
The further technical scheme of the utility model is:
Described conductor selects the one of the 1st kind of solid conductor, the 2nd kind of stranded conductor, the 5th kind of soft copper conductor structure, and conductor material is annealing oxygen-free copper; Described interior flame retardant coating is synthetic mica tape, and outer flame retardant coating, interior lapping layer are Ceramic silicon rubber bands; Described inner insulating layer is IXPE insulating material, and external insulation layer is the low cigarette crosslinked polyolefin insulating material of irradiation crosslinking halogen-free; Described packed layer is halogen-free low-smoke high-flame glass fibre belt; Described outer lapping layer is halogen-free low-smoke high-flame twining package tape; Described outer jacket is irradiation crosslinking halogen-free low-smoke flame-proof polyolefin material.
Compared with the prior art, the utility model beneficial effect is embodied in:
1, flame retardant coating: flame retardant coating in the outer overlapping wrapped two layers of synthetic mica tape of conductor are formed, its outer overlapping wrapped one deck Ceramic silicon rubber band again forms outer flame retardant coating, forms dual fireproof construction, substantially increases the fire resistance of cable.
2, insulating barrier: outer flame retardant coating adopts outward and extrudes IXPE inner insulating layer, guarantee the insulation property of cable, its outer employing extrudes irradiation crosslinking halogen-free low-smoke flame-proof polyolefin external insulation layer, guarantee the fire resistance of cable, external insulation thickness proportion controls at about 4:6, meet insulation property and the fire resistance of cable simultaneously, improve the useful life of cable.
3, inside and outside lapping layer Ceramics SiClx rubber strip and halogen-free low-smoke high-flame twining package tape respectively, substantially increases fire resistance and the fire resistance of cable.
4, oversheath adopts and extrudes nontoxic, harmless, heat-resisting, environmental protection irradiation crosslinking halogen-free low-smoke flame-proof polyolefin material, mechanical performance and excellent fireproof performance, in the event of a fire, can not discharge pernicious gas and produce secondary harm to human body.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
Lapping layer, 8 outer lapping layers, 9 outer jackets in flame retardant coating, 3 outer flame retardant coatings, 4 inner insulating layers, 5 external insulation layers, 6 packed layers, 7 in 1 conductor, 2.
Embodiment
Below by way of optimal case, and further illustrate by reference to the accompanying drawings.
As Fig. 1, this power cable comprises conductor 1, described conductor 1 outer coated interior flame retardant coating 2 and outer flame retardant coating 3 successively from the inside to the outside, described outer flame retardant coating 3 outer coated inner insulating layer 4 and external insulation layer 5 successively from the inside to the outside, described conductor 1, interior flame retardant coating 2, outer flame retardant coating 3, inner insulating layer 4 and external insulation layer 5 form insulated wire cores, at least two insulated wire cores are twisted into cable core, cable core internal clearance arranges packed layer 6, cable core outer coated interior lapping layer 7, outer lapping layer 8 successively are from the inside to the outside outer jackets 9 outside described outer lapping layer.
In concrete enforcement, corresponding vibrational power flow and material property are configured to:
Conductor 1 selects the one of the 1st kind of solid conductor, the 2nd kind of stranded conductor or the 5th kind of soft copper conductor structure, and conductor material is annealing oxygen-free copper, and conductor resistance meets the requirement of GB/T3956;
Interior flame retardant coating 2 selects synthetic mica overlapping wrapped two-layer;
The overlapping wrapped one deck of outer flame retardant coating 3 Ceramics SiClx rubber strip;
Inner insulating layer 4 selects IXPE insulating material;
External insulation layer 5 selects the low cigarette crosslinked polyolefin insulating material of irradiation crosslinking halogen-free;
Packed layer 6 selects halogen-free low-smoke high-flame glass fibre belt, ensures the fire resistance of cable,
The overlapping wrapped one deck of interior lapping layer 7 Ceramics SiClx rubber band, fire prevention heat resistance is excellent;
Outer lapping layer 8 selects the overlapping wrapped one deck of halogen-free low-smoke high-flame twining package tape;
Outer jacket 9 selects the low-smoke flame-retardant polyolefin sheathed material of irradiation crosslinking halogen-free to extrude structure.
Claims (6)
1. a heat-proof combustion-resistant fire proof power cable, comprise conductor (1), it is characterized in that: described conductor (1) coated interior flame retardant coating (2) successively from the inside to the outside outward, outer flame retardant coating (3), inner insulating layer (4) and external insulation layer (5), described conductor (1), interior flame retardant coating (2), outer flame retardant coating (3), inner insulating layer (4) and external insulation layer (5) form insulated wire cores, at least two insulated wire cores are twisted into cable core, cable core internal clearance arranges packed layer (6), the outer coated interior lapping layer (7) successively from the inside to the outside of cable core, outer lapping layer (8) and outer jacket (9).
2. power cable according to claim 1, is characterized in that: described conductor (1) selects the one of the 1st kind of solid conductor, the 2nd kind of stranded conductor, the 5th kind of soft copper conductor structure, and conductor material is annealing oxygen-free copper.
3. power cable according to claim 1, is characterized in that: described interior flame retardant coating (2) is synthetic mica tape, and outer flame retardant coating (3), interior lapping layer (7) are Ceramic silicon rubber bands.
4. power cable according to claim 1, is characterized in that: described inner insulating layer (4) is IXPE insulating material, and external insulation layer (5) is the low cigarette crosslinked polyolefin insulating material of irradiation crosslinking halogen-free.
5. power cable according to claim 1, is characterized in that: described packed layer (6) is halogen-free low-smoke high-flame glass fibre belt; Described outer lapping layer (8) is halogen-free low-smoke high-flame twining package tape.
6. power cable according to claim 1, is characterized in that: described outer jacket (9) is irradiation crosslinking halogen-free low-smoke flame-proof polyolefin material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520812951.9U CN205038997U (en) | 2015-10-15 | 2015-10-15 | Heat -resisting fire -retardant fire prevention power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520812951.9U CN205038997U (en) | 2015-10-15 | 2015-10-15 | Heat -resisting fire -retardant fire prevention power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205038997U true CN205038997U (en) | 2016-02-17 |
Family
ID=55297877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520812951.9U Expired - Fee Related CN205038997U (en) | 2015-10-15 | 2015-10-15 | Heat -resisting fire -retardant fire prevention power cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205038997U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110648789A (en) * | 2019-10-12 | 2020-01-03 | 湖北力生电缆有限公司 | Polyethylene high-flame-retardant power cable and manufacturing method and equipment |
| CN114121370A (en) * | 2021-11-26 | 2022-03-01 | 安徽蒙特尔电缆集团有限公司 | Preparation method of B1-grade flame-retardant mineral substance insulated flexible fireproof cable |
-
2015
- 2015-10-15 CN CN201520812951.9U patent/CN205038997U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110648789A (en) * | 2019-10-12 | 2020-01-03 | 湖北力生电缆有限公司 | Polyethylene high-flame-retardant power cable and manufacturing method and equipment |
| CN110648789B (en) * | 2019-10-12 | 2024-01-05 | 湖北力生电缆有限公司 | Polyethylene high-flame-retardance power cable and manufacturing method and equipment thereof |
| CN114121370A (en) * | 2021-11-26 | 2022-03-01 | 安徽蒙特尔电缆集团有限公司 | Preparation method of B1-grade flame-retardant mineral substance insulated flexible fireproof cable |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160217 Termination date: 20201015 |