CN204991258U - Environment -friendly high life crosslinked cable - Google Patents
Environment -friendly high life crosslinked cable Download PDFInfo
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- CN204991258U CN204991258U CN201520797532.2U CN201520797532U CN204991258U CN 204991258 U CN204991258 U CN 204991258U CN 201520797532 U CN201520797532 U CN 201520797532U CN 204991258 U CN204991258 U CN 204991258U
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Abstract
The utility model provides an environment -friendly high life crosslinked cable, stranded sinle silk including the transposition, the sinle silk includes coalesced copper conductor and ab intra and outer cladding in proper order fire -resistant mica tape, 105 DEG C of ultraviolet ray radiation cross -linking polyethylene insulation, 105 DEG C of ultraviolet ray radiation cross -linking the coalesced copper conductor outside do not have steamed low cigarette flame retardant polyolefin and insulate, pack in stranded sinle silk clearance has the fire -retardant packing of low smoke and zero halogen, outside the stranded sinle silk of transposition, ab intra and outward in proper order the cladding have the fire -retardant band of low smoke and zero halogen, cooling to separate fire bed, fire -retardant restrictive coating. The utility model discloses cable structure is simple, reasonable, compact, and is fire -resistant, the fire resistance is excellent, and the green that has realized the cable does not have the characteristic that steamed low cigarette and life -span are greater than 70 years, can satisfy the requirement of line green for building, fire -retardant fire -resistant, high life.
Description
Technical field
The utility model relates to cable technology, particularly relates to a kind of environment-friendly type high life crosslinked cable.
Background technology
The legal provisions that China is existing construction land usufructuary time limit, general residential construction ownership year is limited to 70 years, commercialization is limited to 40 years in building construction ownership year, but common civil electric wire cable only has 25 year life-span, if exceeded the time limit of regulation service time, wire cable insulating layer aging phenomenon in running is serious, may leak electricity, the security incident such as fire.
Consider building electricity consumption potential safety hazard, one and building same life-span, once lay the electric wire that can use all the life, become the inevitable special title of structure used wire, simultaneously in current many code of building design, explicitly call for the high-performance electric wire using environmental protection, the requirement of the high-performance electric wire cable needs of environmental protection is on common wiring cable basis, have both fire-resistant, fire-retardant, low smoke and zero halogen, high life several large key property simultaneously.
Along with the fast development of national economy, as the aortal electric wire of national economy, the requirement for quality is more and more higher, and consumption and the scope of application of high-quality electric wire are increasing.This point, in recent years, the electric wire laid for skyscraper, track traffic and crowded place is particularly visible.
Utility model content
The purpose of this utility model is, for the high-quality requirement in above-mentioned actual use procedure, existing electric wire can not meet several large characteristic requirements completely, maybe can only meet wherein fire-resistant, fire-retardant, the problem that the electric wire basis that low smoke and zero halogen requires is designed and developed, a kind of environment-friendly type high life crosslinked cable is proposed, this environment-friendly type high life crosslinked cable structure is simple, cable electrical performance, resistance to ag(e)ing is good, fire-retardant, fire resistance is high, cable long service life, low smoke, zero halogen environmental protection, it is the safety type power cable of a kind of comparatively intensive place of the ideal personnel that are layed in or building.
For achieving the above object, the technical solution adopted in the utility model is: a kind of environment-friendly type high life crosslinked cable, comprise stranded multiply core, described core comprises oxygen-free copper conductor and from-inner-to-outer is coated on the fire-resistant isinglass belt outside oxygen-free copper conductor, 105 DEG C of ultraviolet light irradiation cross-linking polyethylene insulations, 105 DEG C of ultraviolet light irradiation cross-linking halogen-free and low-smoke flame-retardant polyolefin insulation successively; Described multiply core gap-fill has low-smoke non-halogen flame-retardant to fill outside described stranded multiply core, and from-inner-to-outer is coated with low-smoke non-halogen flame-retardant band, cooling refuge floor, flame retardant sheath layer successively.
Further, described oxygen-free copper conductor is solid or that stranded copper wire is stranded conductor.
Further, described copper wire is the red copper that purity is greater than 99.98%.
Further, described fire-resistant isinglass belt is two-sided synthetic mica tape, and its temperature resistant grade is greater than 1000 DEG C, and two-sided synthetic mica tape is the optimal refractory material of fire safe type electric wire, temperature resistant grade is high, the coefficient of expansion is little, dielectric strength is large, resistivity is high, and this material has stronger insulation effect simultaneously.
Further, described low-smoke non-halogen flame-retardant is filled to flame resistant filler rope.Described low-smoke halogen-free flame retardant is filled to the non-absorbent material adapted with insulation temperature grade, can guarantee that cable has better roundness, and strengthen the tensile strength of cable, packing material oxygen index is high, and anti-flammability is strong, and low smoke and zero halogen environmental protection.
Further, described low-smoke non-halogen flame-retardant band is double-deck, and adopt double-layer overlapping around-packing technology, this Tensile strength is high, guarantees into cable core closely not loose, and described low-smoke non-halogen flame-retardant band oxygen index is high simultaneously, and anti-flammability is strong, and low smoke and zero halogen environmental protection.
Further, described cooling refuge floor is the oxygen barrier layer that oxygen index is greater than 38.Particularly, described cooling refuge floor is the low-smoke halogen-free flame-resistant polyolefin oxygen barrier that oxygen index is greater than 38.When meeting fire burning, this material will separate out moisture to reduce ambient temperature, and form not molten aluminium oxide duricrust do not fired, contact with extraneous air with isolated cable core, the cable of burning, by self-extinguish, improve the fire-retardant rank of cable simultaneously, plays the effect of cooling fire insulation.
Further, described flame retardant sheath layer is be extruded in the high oxygen index low-smoke and halogen-free flame retardant polyolefin jacket outside cooling refuge floor.
A kind of environment-friendly type high life crosslinked cable of the utility model is simple and reasonable for structure, compact, has the following advantages compared with prior art:
(1) electric property is superior, and inorganic mineral insulation synthetic refractory mica tape plays double-deck effect, at cable without in flame calcination situation, has stronger insulating effect; At cable by flame calcination situation, as flame retardant coating (temperature resistant grade is greater than 1000 DEG C), guarantee cable normal power supply within a certain period of time.
(2) fail safe is good, and environment-friendly type high life crosslinked cable is smokelessly nontoxic when burning, and can not produce secondary pollution, fire resistance is high, burns more than 90 minutes in the big fire of 950 degrees Celsius, ensures normal power supply.
(3) practical, the utility model environment-friendly type high life crosslinked cable is by Trinitarian insulating structure design, more traditional common wiring advantage is to improve fire resistance rating, effectively reduce the aging speed of insulation, the insulating performance of cable strengthened simultaneously, increases cable useful life by a relatively large margin.
(4) crosslinked cable is by rational structural design the utility model environment-friendly type high life, utilize material property advantage, avoid because simple cross-linking polyethylene insulated fire resistant is poor, simple low smoke, zero halogen insulated with material make moist insulation resistance decline defect, good compound material advantage, simultaneously in conjunction with the inorganic fire-retarded filling of low smoke and zero halogen, and the cooling refuge floor of high oxygen index, whole cable fire resistance is made to have obvious lifting, by fire-retardant category-A combustion experiment, carbonization is highly low, is a kind of outstanding WDZA type product.
The utility model environment-friendly type high life crosslinked cable environmental protection after testing, burning does not produce harmful halogen gas, Halogen performance pH weighted value >=4.3 of cable, conductivity weighted value≤10 μ S/mm, minimum light transmittance >=60% of low cigarette characteristic, electric property is superior, fire resistance can realize 950 DEG C/90min (requiring in existing GB GB/T19666 that experimental temperature is 750 DEG C/90min), the Trinity of cable employing simultaneously insulation system, cable insulation ageing-resistant performance is significantly promoted, thus makes cable life extend to more than 70 years.
Accompanying drawing explanation
Fig. 1 is a kind of environment-friendly type high life crosslinked cable schematic cross-section of the utility model.
Embodiment
Below in conjunction with embodiment, the utility model is further illustrated:
Embodiment 1
Fig. 1 is a kind of environment-friendly type high life crosslinked cable schematic cross-section of the utility model.
Present embodiment discloses the environment-friendly type high life crosslinked cable that a kind of electric property, resistance to ag(e)ing are good, its structure as shown in Figure 1, comprise stranded compenzine core, described core comprises oxygen-free copper conductor 1, described oxygen-free copper conductor 1 is the stranded conductor of stranded copper wire, and its copper wire adopted is the red copper that purity is greater than 99.98%.Described core also comprises interior and outer two-sided synthetic mica tape 2,105 DEG C of ultraviolet light irradiation cross-linking polyethylene insulations 3,105 DEG C of ultraviolet light irradiation cross-linking halogen-free and low-smoke flame-retardant polyolefins be coated on successively outside oxygen-free copper conductor insulate 4.
Wherein oxygen-free copper conductor 1 is conductor, and electric property is remarkable, and conductance is high, and two-sided synthetic mica tape 2 serves as the fireprotection layer of whole cable, while raising cable fire ability, also improves its insulation property.Two-sided synthetic mica tape 2 and 105 DEG C of ultraviolet light irradiation cross-linking polyethylene insulations, 3,105 DEG C of ultraviolet light irradiation cross-linking halogen-free and low-smoke flame-retardant polyolefins insulate 4 shared insulators, strengthen the integral insulation performance of cable.3, the 105 DEG C of ultraviolet light irradiation cross-linking halogen-free and low-smoke flame-retardant polyolefin insulation 4 of described 105 DEG C of ultraviolet light irradiation cross-linking polyethylene insulations can allow cable conductor nominal operating temperature to be promoted to 105 DEG C, strengthen cable current capacity.
Described compenzine core gap-fill has low-smoke non-halogen flame-retardant to fill 5; Outside described stranded multiply core, from-inner-to-outer is coated with low-smoke non-halogen flame-retardant band 6, cooling refuge floor 7, flame retardant sheath layer 8 successively.Described low-smoke non-halogen flame-retardant filling 5, low-smoke non-halogen flame-retardant band 6 are in flame calcination situation, there is stronger flame retardant effect, the environmental protection of combustion product low smoke and zero halogen, the low-smoke halogen-free flame-resistant polyolefin oxygen barrier material that described cooling refuge floor 7 adopts oxygen index to be greater than 38 extrudes, when meeting fire burning, this material will separate out moisture to reduce ambient temperature, and form not molten aluminium oxide duricrust do not fired, contact with extraneous air with isolated cable core, the cable of burning is by self-extinguish, improve the fire-retardant rank of cable simultaneously, play the effect of cooling fire insulation.Described flame retardant sheath layer 8 adopts as protective coverings of cable, and protection cable endothecium structure simultaneously, has stronger flame retardant effect, not as flame propagation carrier.
A kind of environment-friendly type high life crosslinked cable electric property that the present embodiment provides is superior, and fire resistance is good, cable long service life, low smoke, zero halogen environmental protection.Without in flame calcination situation, the outer Trinitarian insulating structure design of conductor, guarantee that electric property is safe and reliable, leakproof, cable long service life, in flame calcination situation, cable fire ability rating is higher than normal refractory electric wire, and combustion product low smoke, zero halogen, really realize the environmental protection high-quality cable of cable high life, high-performance, high fire resistant flame retardant.
Due to the existence of Trinity insulator, make cable life can accomplish to be greater than 70 years, break away from the present situation that the electric wire life-span is less than House Property, for building design units provides more powerful effective premium quality product to support.Cable itself is fire-retardant and fire-resistant, effectively avoiding electric wire as the flame propagation body under fire condition, and be user's continued power within a certain period of time, is the escape of the incident area Field Force of breaking out of fire, strive for the more time, for user's personal safety and public property escort safely.
Embodiment 2
Present embodiment discloses a kind of environment-friendly type high life crosslinked cable, its structure is substantially the same manner as Example 1, comprise four stranded strand cores unlike environment-friendly type high life crosslinked cable described in the present embodiment, described core comprises oxygen-free copper conductor, and described oxygen-free copper conductor is solid copper wire.Described low-smoke non-halogen flame-retardant band is double-deck.Described cooling refuge floor is the oxygen barrier layer that oxygen index is greater than 38.
The utility model is not limited to a kind of environment-friendly type high life crosslinked cable described in above-described embodiment, and the change of the wherein change of oxygen-free copper conductor structure, each layer thickness is 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 (9)
1. an environment-friendly type high life crosslinked cable, it is characterized in that, comprise stranded multiply core, described core comprises oxygen-free copper conductor and from-inner-to-outer is coated on the fire-resistant isinglass belt outside oxygen-free copper conductor, 105 DEG C of ultraviolet light irradiation cross-linking polyethylene insulations, 105 DEG C of ultraviolet light irradiation cross-linking halogen-free and low-smoke flame-retardant polyolefin insulation successively; Described multiply core gap-fill has low-smoke non-halogen flame-retardant to fill; Outside described stranded multiply core, from-inner-to-outer is coated with low-smoke non-halogen flame-retardant band, cooling refuge floor, flame retardant sheath layer successively.
2. a kind of environment-friendly type high life crosslinked cable according to claim 1, it is characterized in that, described oxygen-free copper conductor is solid or that stranded copper wire is stranded conductor.
3. a kind of environment-friendly type high life crosslinked cable according to claim 2, it is characterized in that, described copper wire is the red copper that purity is greater than 99.98%.
4. a kind of environment-friendly type high life crosslinked cable according to claim 1, it is characterized in that, described fire-resistant isinglass belt is two-sided synthetic mica tape.
5. a kind of environment-friendly type high life crosslinked cable according to claim 1, it is characterized in that, described low-smoke non-halogen flame-retardant is filled to flame resistant filler rope.
6. a kind of environment-friendly type high life crosslinked cable according to claim 1, is characterized in that, described low-smoke non-halogen flame-retardant band is double-deck.
7. a kind of environment-friendly type high life crosslinked cable according to claim 1, it is characterized in that, described cooling refuge floor is the oxygen barrier layer that oxygen index is greater than 38.
8. a kind of environment-friendly type high life crosslinked cable according to claim 7, is characterized in that, cooling refuge floor is the low-smoke halogen-free flame-resistant polyolefin oxygen barrier that oxygen index is greater than 38.
9. a kind of environment-friendly type high life crosslinked cable according to claim 1, is characterized in that, described flame retardant sheath layer is be extruded in the high oxygen index low-smoke and halogen-free flame retardant polyolefin jacket outside cooling refuge floor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520797532.2U CN204991258U (en) | 2015-10-15 | 2015-10-15 | Environment -friendly high life crosslinked cable |
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| CN201520797532.2U CN204991258U (en) | 2015-10-15 | 2015-10-15 | Environment -friendly high life crosslinked cable |
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| CN204991258U true CN204991258U (en) | 2016-01-20 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107993770A (en) * | 2017-11-30 | 2018-05-04 | 四川明星电缆股份有限公司 | A kind of low manufacture method for discharging environmentally protective shielded cable of high fire-retardance |
| CN108010629A (en) * | 2017-11-30 | 2018-05-08 | 四川明星电缆股份有限公司 | A kind of low manufacture method for discharging green environmental protection cable of high fire-retardance |
| CN108010638A (en) * | 2017-11-30 | 2018-05-08 | 四川明星电缆股份有限公司 | A kind of low manufacture method for discharging environmentally protective fire-resisting cable of high fire-retardance |
| CN117954159A (en) * | 2024-03-15 | 2024-04-30 | 重庆科宝电缆股份有限公司 | Environment-friendly waterproof low-smoke halogen-free flame-retardant cable |
-
2015
- 2015-10-15 CN CN201520797532.2U patent/CN204991258U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107993770A (en) * | 2017-11-30 | 2018-05-04 | 四川明星电缆股份有限公司 | A kind of low manufacture method for discharging environmentally protective shielded cable of high fire-retardance |
| CN108010629A (en) * | 2017-11-30 | 2018-05-08 | 四川明星电缆股份有限公司 | A kind of low manufacture method for discharging green environmental protection cable of high fire-retardance |
| CN108010638A (en) * | 2017-11-30 | 2018-05-08 | 四川明星电缆股份有限公司 | A kind of low manufacture method for discharging environmentally protective fire-resisting cable of high fire-retardance |
| CN117954159A (en) * | 2024-03-15 | 2024-04-30 | 重庆科宝电缆股份有限公司 | Environment-friendly waterproof low-smoke halogen-free flame-retardant cable |
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