CN204257234U - Crosslinked polyetylene insulated low-smoke zero-halogen fire-resistant instrument cable peculiar to vessel - Google Patents
Crosslinked polyetylene insulated low-smoke zero-halogen fire-resistant instrument cable peculiar to vessel Download PDFInfo
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- CN204257234U CN204257234U CN201420804470.9U CN201420804470U CN204257234U CN 204257234 U CN204257234 U CN 204257234U CN 201420804470 U CN201420804470 U CN 201420804470U CN 204257234 U CN204257234 U CN 204257234U
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- insulated wire
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- fire
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Abstract
The utility model provides a kind of crosslinked polyetylene insulated low-smoke zero-halogen fire-resistant instrument cable peculiar to vessel, comprise cable core and restrictive coating, described cable core is formed by multiple insulated wire cores unit combination, described insulated wire cores unit is formed insulated wire cores is stranded by 1-24, the insulating barrier that described insulated wire cores comprises conductor, wrapped flame retardant coating outside conductor and is extruded in outside flame retardant coating, gap between described insulated wire cores unit is filled with halogen-free flameproof gasket for packing, be surrounded with halogen-free flameproof band outside described cable core, outside described halogen-free flameproof band, extrude restrictive coating.The utility model crosslinked polyetylene insulated low-smoke zero-halogen fire-resistant instrument cable peculiar to vessel is rational in infrastructure, compact, not halogen-containing, and the heavy metals such as lead, cadmium, can keep certain hour safe operation during burning; Reduce toxic and harmful to overflow, have the advantage such as protection against rodents, anti-ant concurrently.Boats and ships and offshore oil platform etc. and fire safety and fire-extinguishing and lifesaving field can be widely used in.
Description
Technical field
The utility model relates to cable technology, particularly relates to a kind of crosslinked polyetylene insulated low-smoke zero-halogen fire-resistant instrument cable peculiar to vessel.
Background technology
The features such as conventional instrument cable is simple with its structure, technique easily realizes, with low cost, apply very extensive in the market.Traditional instrument cable, the general PVC plastic that all adopts is as insulation and jacket layer material, because PVC material contains a large amount of halogen, halogen acid gas is discharged during burning, have serious corrosivity to the instrument and meter of surrounding and equipment, burning and the smog that produces and toxic and harmful are overflowed the secondary disaster caused.Therefore require in IEC60092-350:2011 that PVC does not allow to use in tow as insulation.Meanwhile, traditional instrument cable does not possess fire-resistant, protection against rodents, anti-ant, low smoke and zero halogen function.
Utility model content
The purpose of this utility model is, toxic gas can be discharged for after above-mentioned conventional instrument cable fire, and do not possess fire-resistant problem, a kind of crosslinked polyetylene insulated low-smoke zero-halogen fire-resistant instrument cable peculiar to vessel is proposed, this construction of cable is reasonable, compact, effectively can check the smog of the fire incident power-off of electric meter circuit and burning generation during burning and reduce toxic and harmful spilling, having the advantage such as protection against rodents, anti-ant concurrently.
For achieving the above object, the technical solution adopted in the utility model is: a kind of crosslinked polyetylene insulated low-smoke zero-halogen fire-resistant instrument cable peculiar to vessel, comprise cable core and restrictive coating, described cable core forms by multiple insulated wire cores unit is stranded, described insulated wire cores unit is combined insulated wire cores by 1-24, described insulated wire cores comprises conductor, wrapped flame retardant coating outside conductor, and the insulating barrier be extruded in outside flame retardant coating, gap between described insulated wire cores unit is filled with halogen-free flameproof gasket for packing, halogen-free flameproof band is surrounded with outside described cable core, restrictive coating is extruded outside described halogen-free flameproof band.
Further, described insulated wire cores unit is formed by two insulated wire cores pair twists.
Further, described conductor is oxygen-free copper bar.
Further, described conductor is the annealing tinned copper wire that the rate of stretching is not less than 25%, and described conductor is tinned copper wire.Tinned copper wire performance should meet IEC60092-350-2011 requirement.
Further, described flame retardant coating is wrapped refractory synthetic mica tape.
Further, described insulating barrier is cross-linked polyethylene insulating material.
Further, described restrictive coating is low-smoke halogen-free polyolefin protective cover material, and this protective cover material has the performance of low smoke and zero halogen, protection against rodents, anti-ant.
The utility model crosslinked polyetylene insulated low-smoke zero-halogen fire-resistant instrument cable peculiar to vessel is rational in infrastructure, compact, has the following advantages compared with prior art:
(1) the utility model cable adopts crosslinked polyetylene insulated and that refractory synthetic mica tape is wrapped refractory insulating layer, and extensively adopt bittern-free flame-proof material, therefore there is excellent flame-retardant performance, the smog that when effectively can check electric meter circuit fire incident, power-off and burning produce and toxic and harmful effusion, improve the security reliability of cable, and extend useful life.
(2) restrictive coating of the utility model cable adopts low-smoke halogen-free polyolefin protective cover material, the use of bittern-free flame-proof material gasket for packing and inhibiting tape, greatly can improve the fire resistance of cable, when cable fire, the concentration of smog and the effusion of pernicious gas can be reduced.
(3) restrictive coating of the utility model cable adopts and adds by the low-smoke halogen-free polyolefin protective cover material of the termite-resistant rodent-resistant repellant of plant extract; the coat layer of power cable is made to contain a kind of pungent peculiar smell of storage; when mouse, ant class animal contact cable; its olfactory nerves is made to be upset and to detest and reject contact; its electric wire is dodged automatically, plays the object of protection against rodents, anti-ant, protection cable.
The utility model crosslinked polyetylene insulated low-smoke zero-halogen fire-resistant instrument cable peculiar to vessel can be widely used in boats and ships and offshore oil platform etc. and fire safety and fire-extinguishing and lifesaving field.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of crosslinked polyetylene insulated low-smoke zero-halogen fire-resistant instrument cable peculiar to vessel of the utility model.
1-conductor; 2-flame retardant coating; 3-gasket for packing; 4-insulating barrier; 5-halogen-free flameproof band; 6-restrictive coating.
Embodiment
Below in conjunction with embodiment, the utility model is further illustrated:
Embodiment
Present embodiment discloses a kind of peculiar to vessel crosslinked polyetylene insulated low-smoke zero-halogen fire-resistant instrument cable with protection against rodents, anti-ant function, concrete structure as shown in Figure 1, comprise cable core and restrictive coating, described cable core is formed by multiple insulated wire cores unit pair-wise combination, and in the present embodiment, insulated wire cores unit is 3.Insulated wire cores is twisted into cable core, and outermost strand is to being dextrad, and its stranded pitch diameter multiple proportions: outermost layer should be not more than 18 times, and secondary skin should be not more than 23 times, outer two layers should be not more than 28 times, and outer three layers should be not more than 33 times.The unit of insulated wire cores described in the present embodiment becomes strand to form by 2 insulated wire cores, the insulating barrier 4 that described insulated wire cores comprises conductor 1, wrapped flame retardant coating 2 outside conductor 1 and is extruded in outside flame retardant coating 2, conductor 1 described in the present embodiment is not less than the annealing tinned copper wire of 25% for the rate of stretching, conductive surface bright and clean, that insulate without greasy dirt, not damaged burr, sharp edge and single line that is protruding or fracture, conductor structure is twisted wire structure, and its twisting pitch should be not more than 20 times of stranded external diameter.
Described flame retardant coating 2 is wrapped refractory synthetic mica tape, and the wrapped rate of putting up is not less than 50%, and described refractory synthetic mica tape is that Shaoxing Kai Cheng mica material Co., Ltd produces.Described insulating barrier 4 is cross-linked polyethylene insulating material.The mean value of insulating barrier 4 thickness should be not less than nominal value.Its thinnest part thickness should be not less than the 90%-0.1mm of nominal value.The utility model crosslinked polyetylene insulated low-smoke zero-halogen fire-resistant instrument cable compact conformation peculiar to vessel, lightweight, heat-resisting good, load capacity is strong, non-fusible, resistance to chemical attack, mechanical strength is high, in this instrument cable, crosslinked polyethylene and refractory synthetic mica tape form compound inslation, and refractory synthetic mica tape insulation system makes this cable can keep certain safe operation time in flame combustion situation.
Therefore visible, cross-linked polyethylene insulated cable has the incomparable advantage of PVC insulated cable.Its performance index meet IEC60092-351 standard, and after cross-linked polyethylene insulated cable material passes through grafting in an extruder, carry out warm water crosslinking, the degree of cross linking reaches 80-90%, and wherein warm water water temperature is 80-90 DEG C, and crosslinking time is 4-5 hour.
Gap between described insulated wire cores unit is filled with halogen-free flameproof gasket for packing 3, is surrounded with halogen-free flameproof band 5 outside described cable core, extrudes restrictive coating 6 outside described halogen-free flameproof band 5.In the present embodiment, gasket for packing 3 and halogen-free flameproof band 5 are bittern-free flame-proof material, greatly can improve the fire resistance of cable, when cable fire, reduce the concentration of smog and the effusion of pernicious gas.
Described restrictive coating 6 is the low-smoke halogen-free polyolefin protective cover material (CAB-6058RTC) that the triumphant ripple CABLE MATERIALS in Shanghai is produced, and its soft pliable is bent, and mounting and installation is convenient, and water resistance is good.
The present embodiment crosslinked polyetylene insulated low-smoke zero-halogen fire-resistant instrument cable Structure and Properties peculiar to vessel meets IEC60092-350, IEC60092-376, IEC60331-21 regulation, and respectively by the test of IEC60332-3-22, IEC61034, IEC60754.
The utility model is not limited to the peculiar to vessel crosslinked polyetylene insulated low-smoke zero-halogen fire-resistant instrument cable described in above-described embodiment, and the change of the wherein change of insulated wire cores quantity, conductive material, the change of flame retardant coating material are all within protection range of the present utility model.
Last it is noted that above each embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to foregoing embodiments, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of each embodiment technical scheme of the utility model.
Claims (7)
1. a crosslinked polyetylene insulated low-smoke zero-halogen fire-resistant instrument cable peculiar to vessel, it is characterized in that, comprise cable core and restrictive coating, described cable core is formed by multiple insulated wire cores unit combination, described insulated wire cores unit is formed insulated wire cores is stranded by 1-24, the insulating barrier that described insulated wire cores comprises conductor, wrapped flame retardant coating outside conductor and is extruded in outside flame retardant coating, gap between described insulated wire cores unit is filled with halogen-free flameproof gasket for packing, be surrounded with halogen-free flameproof band outside described cable core, outside described halogen-free flameproof band, extrude restrictive coating.
2. crosslinked polyetylene insulated low-smoke zero-halogen fire-resistant instrument cable peculiar to vessel according to claim 1, it is characterized in that, described insulated wire cores unit is formed by two insulated wire cores pair twists.
3. crosslinked polyetylene insulated low-smoke zero-halogen fire-resistant instrument cable peculiar to vessel according to claim 1, it is characterized in that, described conductor is oxygen-free copper bar.
4. crosslinked polyetylene insulated low-smoke zero-halogen fire-resistant instrument cable peculiar to vessel according to claim 1, it is characterized in that, described conductor is the annealing tinned copper wire that the rate of stretching is not less than 25%.
5. crosslinked polyetylene insulated low-smoke zero-halogen fire-resistant instrument cable peculiar to vessel according to claim 1, it is characterized in that, described flame retardant coating is wrapped refractory synthetic mica tape.
6. crosslinked polyetylene insulated low-smoke zero-halogen fire-resistant instrument cable peculiar to vessel according to claim 1, it is characterized in that, described insulating barrier is cross-linked polyethylene insulating material.
7. crosslinked polyetylene insulated low-smoke zero-halogen fire-resistant instrument cable peculiar to vessel according to claim 1, it is characterized in that, described restrictive coating is low-smoke halogen-free polyolefin protective cover material.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420804470.9U CN204257234U (en) | 2014-12-17 | 2014-12-17 | Crosslinked polyetylene insulated low-smoke zero-halogen fire-resistant instrument cable peculiar to vessel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420804470.9U CN204257234U (en) | 2014-12-17 | 2014-12-17 | Crosslinked polyetylene insulated low-smoke zero-halogen fire-resistant instrument cable peculiar to vessel |
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| CN204257234U true CN204257234U (en) | 2015-04-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI620203B (en) * | 2015-05-05 | 2018-04-01 | 畢恆利 | Electrical cable |
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2014
- 2014-12-17 CN CN201420804470.9U patent/CN204257234U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI620203B (en) * | 2015-05-05 | 2018-04-01 | 畢恆利 | Electrical cable |
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