CN103426553A - Flame retardant power cable for ship - Google Patents
Flame retardant power cable for ship Download PDFInfo
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- CN103426553A CN103426553A CN2012101590488A CN201210159048A CN103426553A CN 103426553 A CN103426553 A CN 103426553A CN 2012101590488 A CN2012101590488 A CN 2012101590488A CN 201210159048 A CN201210159048 A CN 201210159048A CN 103426553 A CN103426553 A CN 103426553A
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- flame
- layer
- retardant
- power cable
- conductor
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Abstract
The invention discloses a flame retardant power cable for a ship. A single-strand tinning annealed copper wire is used as a conductor, polyethylene insulating layers are extruded from and crosslinked to the conductor to form a plurality of insulated wire cores, the insulated wire cores and flame retardant fillings are strongly intertwisted to form a cable core, and the cable core is wrapped and covered by a fire-resistant mica layer, a flame-retardant coating, a double-layer flame-retardant belting layer and an outer sheath layer in sequence, wherein the outer sheath layer is made of halogen-free low-smoke flame-retardant polyolefin materials. The flame retardant power cable for the ship can effectively prevent flames from spreading to the insulating layers when catching fire, is good in flame retardant performance, and can retard flames.
Description
Technical field
The present invention relates to a kind of flame-proof power cable peculiar to vessel, belong to technical field of electric wires and cables.
Background technology
Along with the development of shipping industry, especially along with the development of large-tonnage ships technology, also more and more for the cable demand of boats and ships.Along with scientific and technical development, to the cable with marine equipment, require also more and more higher.Usually flame retardant cable used is substantially all to adopt flame retardant insulation material, fire-retardant band, flame-retardant filler, flame-retardant sheath material.Its deficiency is: when breaking out of fire, cable stops the performance of propagation of flame not strong, and flame easily spreads to insulating barrier.Safety to boats and ships and personnel causes very large hidden danger.For shipboard cable, fire resistance requires very high, and the cable of ordinary construction, when ignition of cable, can not effectively stop spreading of flame.
Summary of the invention
The object of the present invention is to provide a kind of flame-proof power cable peculiar to vessel, when ignition of cable, can effectively stop flame to spread to insulating barrier, fire resistance be good, and has stagnant right property.
The solution of the present invention is as follows: a kind of flame-proof power cable peculiar to vessel, and conductor adopts solely strand tin annealed copper wire, extrudes crosslinked polyetylene insulated layer and form insulated wire cores on described conductor; Thoroughly do away with the edge cores and glow fill strong stranded formation cable cores, wrapped and fiery mica layer, flame retardant coating, double-deck fire-retardant belting layer and external sheath layer successively on described cable core; Described external sheath layer adopts the halogen-free and low-smoke flame-retardant polyolefin material.
Described conductor structure meets the requirement of the 5th kind of conductor in GB/T 3956.
Described thickness of insulating layer is 0.06-0.08mm.
Beneficial effect of the present invention:
1, the present invention adopts, between the fire-retardant band of cable core two outside layers, one deck flame retardant coating to be set, and this coating can improve the self-extinguishment, hydrophobicity, sealing, insulating properties of cable etc., and this coating self adhesive force is good, fineness is good.
2, the present invention adopts the metal wire knitted armouring, and the braiding coverage density is greater than 90%, and the existing shielding action of braid, can strengthen again the vertical stretching resistance of cable.
The accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention will be further described.
A kind of flame-proof power cable peculiar to vessel, conductor 1 adopts solely strand tin annealed copper wire, extrudes crosslinked polyetylene insulated layer 2 and form insulated wire cores on described conductor 1; Thoroughly do away with the edge cores and glow fill out 3 and fill strong stranded formation cable core, wrapped and fiery mica layer 4, flame retardant coating 5, double-deck fire-retardant belting layer 6 and external sheath layer 7 successively on described cable core; Described external sheath layer 7 adopts the halogen-free and low-smoke flame-retardant polyolefin material.
Described conductor 1 structure meets the requirement of the 5th kind of conductor in GB/T 3956.
Described insulating barrier 2 thickness are 0.06-0.08mm.
Although above the specific embodiment of the present invention has been given to describe in detail and explanation; but what should indicate is; we can carry out various equivalences to above-mentioned execution mode according to conception of the present invention and change and revise; when its function produced does not exceed spiritual that specification and accompanying drawing contain yet, all should be within protection scope of the present invention.
Claims (3)
1. a flame-proof power cable peculiar to vessel, is characterized in that conductor adopts solely strand tin annealed copper wire, extrudes crosslinked polyetylene insulated layer and form insulated wire cores on described conductor; Thoroughly do away with the edge cores and glow fill strong stranded formation cable cores, wrapped and fiery mica layer, flame retardant coating, double-deck fire-retardant belting layer and external sheath layer successively on described cable core; Described external sheath layer adopts the halogen-free and low-smoke flame-retardant polyolefin material.
2. a kind of flame-proof power cable peculiar to vessel according to claim 1, is characterized in that described conductor structure meets the requirement of the 5th kind of conductor in GB/T 3956.
3. a kind of flame-proof power cable peculiar to vessel according to claim 1, is characterized in that described thickness of insulating layer is 0.06-0.08mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101590488A CN103426553A (en) | 2012-05-22 | 2012-05-22 | Flame retardant power cable for ship |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101590488A CN103426553A (en) | 2012-05-22 | 2012-05-22 | Flame retardant power cable for ship |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103426553A true CN103426553A (en) | 2013-12-04 |
Family
ID=49651166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012101590488A Pending CN103426553A (en) | 2012-05-22 | 2012-05-22 | Flame retardant power cable for ship |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103426553A (en) |
-
2012
- 2012-05-22 CN CN2012101590488A patent/CN103426553A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20131204 |