CN208589279U - A kind of ultra-flexible energy copper core fireproof cable - Google Patents

A kind of ultra-flexible energy copper core fireproof cable Download PDF

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Publication number
CN208589279U
CN208589279U CN201821186542.2U CN201821186542U CN208589279U CN 208589279 U CN208589279 U CN 208589279U CN 201821186542 U CN201821186542 U CN 201821186542U CN 208589279 U CN208589279 U CN 208589279U
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China
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core
cable
conductor
ultra
flexible energy
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CN201821186542.2U
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李斌
顾风雷
张新
曹燕
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Zhonghuan Hi-Tech Cable Co Ltd
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Zhonghuan Hi-Tech Cable Co Ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/14Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables

Abstract

The utility model discloses a kind of ultra-flexible energy copper core fireproof cables, including cable core and the oversheath being wrapped in outside cable core, the cable core includes the middle spacer tube along the setting of cable core central axes, with along the circumferentially equally distributed more conductors of the middle spacer tube, traction-resistant fibre beam is filled in the middle spacer tube, the conductor is that annealing copper wire presses the copper core conductor being twisted through high-intensitive circle, is successively enclosed with flame retardant coating and insulating layer outside the conductor from inside to outside.The utility model ultra-flexible energy copper core fireproof cable has the characteristics that high flexibility, fireproof, current-carrying capacity are big, impact resistance voltage, high temperature resistant, resistant to overload, mechanical resistant are damaged, Halogen is nontoxic, explosion-proof, waterproof, production length and specification are without limitation.

Description

A kind of ultra-flexible energy copper core fireproof cable
Technical field
The utility model relates to power cable technical field, in particular to a kind of ultra-flexible energy copper core fireproof cable.
Background technique
In the epoch that current modernization construction rapidly develops, the energy and information are social Two Mainstays, either electric energy Or the transmission of information all be unable to do without wire and cable, and as wire and cable is in electric system, skyscraper, industrial and mining enterprises, city Extensive use in township's distribution and communication network, because the fire incident that wire and cable causes also happens occasionally.Therefore, it controls and subtracts The generation of few wire and cable fire has important practical significance to going on smoothly for building of the four modernizations of guarantee, while having become guarantee One significant problem of social public security.
Traditional cable is made of conductor, insulating layer, and traditional cable is mostly organic material such as rubber-insulated wire and plastic insulation Material, when burning, are easily carbonized, and do not have fire protecting performance;And conventional rigid magnesium oxide insulated fireproof cable is then reliable in cable insulation Property, production and laying etc. etc. can not be bent there are many defects, such as cable in mounting and installation, need with feeder pillar or Splitter is transferred, moreover since rigid fireproof cable production technology is complicated, is caused cable market price high, be unfavorable for producing Popularization and application of product and universal, in addition say from products application angle and have gradually moved back in the developed countries such as America and Europe rigidity fireproof cable City.
Utility model content
To solve problems of the prior art, the utility model provides a kind of with high flexibility, fireproof, load Flow is big, the damage of impact resistance voltage, high temperature resistant, resistant to overload, mechanical resistant, Halogen are nontoxic, explosion-proof, waterproof, production length and specification The ultra-flexible energy copper core fireproof cable of the features such as without limitation.
A kind of in order to achieve the above purposes, the technical solution adopted by the utility model is: ultra-flexible energy copper core fireproof cable, Including cable core and the oversheath being wrapped in outside cable core, the cable core includes the middle spacer tube along the setting of cable core central axes, and along institute The circumferentially equally distributed more conductors of middle spacer tube are stated, traction-resistant fibre beam is filled in the middle spacer tube, the conductor is to move back Fiery copper wire presses the copper core conductor being twisted through high-intensitive circle, be successively enclosed with from inside to outside outside the conductor flame retardant coating and Insulating layer.
The central axes of cable core are provided with middle spacer tube, are filled with traction-resistant fibre beam in middle spacer tube, traction-resistant fibre beam is best Aramid yarn is selected, aramid yarn has fabulous tensile resistance, and then improves the mechanical performance of the stretch-proof of cable, meanwhile, Middle spacer tube can form the heat releasing passage inside a cable core, and generated heat can pass through middle interval in conductor operational process Pipe discharge, avoids heat from assembling inside cable core, improves fireproofing of cable performance, conductor is using more annealing copper wires through high intensity Circle, which is pressed, to be twisted, and the tightening factor of cable reaches 0.95 or more, be overlapped on copper core conductor after compaction wrapped 2 layers it is resistance to Fiery synthetic mica tape forms flame retardant coating, one layer of ceramic fire resisting ethylene propylene diene rubber conduct is then uniformly extruded on flame retardant coating External insulation layer.
Preferably, the flame retardant coating includes two layers of fire-resistant isinglass belt, and two layers of fire-resistant isinglass belt overlapping is around the conductor Outside, the flame retardant coating with a thickness of 0.14mm.Using two layers wrapped of fire-resistant isinglass belt of overlapping as flame retardant coating, and with a thickness of 0.14mm can reach A grades of fire resisting level, have excellent fire resistance.
Preferably, the insulating layer is insulating layer made of ceramic fire resisting ethylene propylene diene rubber, forms insulated core, institute State insulating layer with a thickness of 1.2mm.Insulating layer made of ceramic fire resisting ethylene propylene diene rubber has excellent with a thickness of 1.2mm Electrical insulation capability and good processing performance;Under thermal-flame ablation, the rapid porcelain of ceramic fire resisting ethylene propylene diene rubber Shell is formed, forms pure inorganic hard ceramic supporter after burning, inside is hard honeycomb shell, can be played Good insulation, thermal insulation, heat-insulated, gear is fiery, water blocking effect, to ensure that in case of fire, electric power, communication it is unimpeded.
Preferably, conductor strand described in more is at cable core, and closely knit to be extruded with fire resisting anti-in the gap location of the cable core Fiery material, formed fireprotection layer, the fireprotection layer with a thickness of 1.8mm.The gap location of cable conductor is closely knit to be extruded with fire resisting fire prevention Material forms the fireprotection layer with a thickness of 1.8mm, and fire resisting fire proofing material selects the mixture of aluminium hydroxide and sodium metasilicate, in flame Under the conditions of, will form firm shelly-shaped body, play it is fabulous it is heat-insulated, oxygen barrier, prevent the effects of mechanical damage, enhance cable and exist The function of intact power supply under flame Fire Conditions.
Preferably, low-smoke non-halogen flame-retardant band is surrounded with outside the fireprotection layer.Low-smoke non-halogen flame-retardant is surrounded with outside fireprotection layer Band, flame retardant effect is excellent, while harmless, no pollution to the environment.
Preferably, the oversheath is oversheath made of ceramic fire-resistant polyolefin material.It is poly- using ceramic fire resisting As cable jacket, such material is both good insulating materials, can play thermal insulation again, is heat-insulated, gear fire, water blocking olefin material Effect, and while burning, will not distribute smog, Halogen, nontoxic, while such cable material cost is not high, can make according to client With requiring to be made into any multicore, any specification, the cost of investment of investing unit is reduced to greatest extent, also improves building Fire safety performance rate.
The beneficial effects of the utility model are:
1, the central axes of cable core are provided with middle spacer tube, are filled with traction-resistant fibre beam in middle spacer tube, traction-resistant fibre beam is most Aramid yarn is selected well, and aramid yarn has fabulous tensile resistance, and then improves the mechanical performance of the stretch-proof of cable, together When, middle spacer tube can form the heat releasing passage inside a cable core, and generated heat can be in conductor operational process Spacer tube discharge, avoids heat from assembling inside cable core, improves fireproofing of cable performance, conductor is using more annealing copper wires through height Intensity circle, which is pressed, to be twisted, and the tightening factor of cable can achieve 0.95 or more.
2, using being overlapped wrapped two layers of fire-resistant isinglass belt as flame retardant coating, and with a thickness of 0.14mm, it can reach A grades resistance to It is fiery horizontal, there is excellent fire resistance.
3, insulating layer made of ceramic fire resisting ethylene propylene diene rubber has excellent electrical insulation capability with a thickness of 1.2mm And good processing performance;Under thermal-flame ablation, the rapid porcelainization of ceramic fire resisting ethylene propylene diene rubber forms shell, burning Form pure inorganic hard ceramic supporter afterwards, inside is hard honeycomb shell, can play well insulation, every Warm, heat-insulated, gear fire, water blocking effect, to ensure that in case of fire, electric power, communication it is unimpeded.
4, the closely knit fireprotection layer for being extruded with fire resisting fire proofing material, forming with a thickness of 1.8mm of the gap location of cable conductor, fire resisting Fire proofing material selects the mixture of aluminium hydroxide and sodium metasilicate to will form firm shelly-shaped body under flame condition, play fabulous It is heat-insulated, oxygen barrier, prevent the effects of mechanical damage, enhance the function of intact power supply of the cable under flame Fire Conditions.
5, low-smoke non-halogen flame-retardant band is surrounded with outside fireprotection layer, flame retardant effect is excellent, while harmless, to environment without Pollution.
6, using ceramic fire-resistant polyolefin material as cable jacket, such material be both good insulating materials, Thermal insulation, heat-insulated, gear fire, water blocking effect can be played again, and while burning will not distribute smog, Halogen, nontoxic, while such electricity Cable material cost is not high, and any multicore, any specification can be made into according to client's requirement, reduces investing unit to greatest extent Cost of investment, also improve the fire safety performance rate of building.
Detailed description of the invention
Fig. 1 is the cross-sectional view of ultra-flexible energy copper core fireproof cable described in the utility model embodiment;
Fig. 2 is the cross-sectional view of conductor described in the utility model embodiment;
Fig. 3 is the cross-sectional view of middle spacer tube described in the utility model embodiment.
Appended drawing reference: 1, cable core;2, middle spacer tube;3, conductor;4, flame retardant coating;5, insulating layer;6, fireprotection layer;7, low cigarette without Halogen inhibiting tape;8, oversheath;9, traction-resistant fibre beam.
Specific embodiment
The embodiments of the present invention are described in detail with reference to the accompanying drawing.
Embodiment 1
As shown in Figure 1-Figure 3, a kind of ultra-flexible energy copper core fireproof cable including cable core 1 and is wrapped in outer outside cable core 1 Sheath 8, the cable core 1 include the middle spacer tube 2 along the setting of 1 central axes of cable core, and are circumferentially uniformly distributed along the middle spacer tube 2 More conductors 3, be filled with traction-resistant fibre beam 9 in the middle spacer tube 2, the conductor 3 is annealing copper wire through high-intensitive round Press the copper core conductor 3 being twisted, is successively enclosed with flame retardant coating 4 and insulating layer 5 from inside to outside outside the conductor 3.
The central axes of cable core 1 are provided with middle spacer tube 2, are filled with traction-resistant fibre beam 9, traction-resistant fibre beam 9 in middle spacer tube 2 Aramid yarn is preferably selected, aramid yarn has fabulous tensile resistance, and then improves the mechanical performance of the stretch-proof of cable, together When, middle spacer tube 2 can form the heat releasing passage inside a cable core 1, and generated heat can pass through in 3 operational process of conductor Middle spacer tube 2 is discharged, and heat is avoided to assemble inside cable core 1, improves fireproofing of cable performance, and conductor 3 uses more annealed coppers Silk presses through high-intensitive circle to be twisted, and the tightening factor of cable reaches 0.95 or more, weight on copper core conductor 3 after compaction 2 layers of refractory synthetic mica tape of lap wound packet form flame retardant coating 4, one layer of ceramic fire resisting ternary are then uniformly extruded on flame retardant coating 4 EP rubbers is as external insulation layer 5.
Embodiment 2
On the basis of embodiment 1, the flame retardant coating 4 includes two layers of fire-resistant isinglass belt, two layers of fireproof mica to the present embodiment Band overlapping outside the conductor 3, the flame retardant coating 4 with a thickness of 0.14mm.Using two layers of fireproof mica that overlapping is wrapped Band is used as flame retardant coating 4, and with a thickness of 0.14mm, can reach A grades of fire resisting level, have excellent fire resistance.
Embodiment 3
On the basis of embodiment 1, the insulating layer 5 is exhausted made of ceramic fire resisting ethylene propylene diene rubber to the present embodiment Edge layer 5, formed insulated core 1, the insulating layer 5 with a thickness of 1.2mm.Insulation made of ceramic fire resisting ethylene propylene diene rubber Layer 5 has excellent electrical insulation capability and good processing performance with a thickness of 1.2mm;Under thermal-flame ablation, ceramic The rapid porcelainization of fire resisting ethylene propylene diene rubber forms shell, pure inorganic hard ceramic supporter is formed after burning, inside is Hard honeycomb shell can play good insulation, thermal insulation, heat-insulated, gear fire, water blocking effect, to ensure that in fire In the case of calamity, electric power, communication it is unimpeded.
Embodiment 4
The present embodiment on the basis of embodiment 1, as shown in Figure 1, conductor 3 described in more is twisted into cable core 1, and in institute State cable core 1 gap location it is closely knit be extruded with fire resisting fire proofing material, form fireprotection layer 6, the fireprotection layer 6 with a thickness of 1.8mm.Electricity The closely knit fireprotection layer 6 for being extruded with fire resisting fire proofing material, forming with a thickness of 1.8mm of the gap location of cable cable core 1, the choosing of fire resisting fire proofing material Will form firm shelly-shaped body under flame condition with the mixture of aluminium hydroxide and sodium metasilicate, play it is fabulous it is heat-insulated, every Oxygen prevents the effects of mechanical damage, enhances the function of intact power supply of the cable under flame Fire Conditions.
Embodiment 5
The present embodiment on the basis of embodiment 1, as shown in Figure 1, being surrounded with low-smoke non-halogen flame-retardant band outside the fireprotection layer 6 7.Low-smoke non-halogen flame-retardant band 7 is surrounded with outside fireprotection layer 6, flame retardant effect is excellent, while harmless, no pollution to the environment.
Embodiment 6
On the basis of embodiment 1, the oversheath 8 is outer shield made of ceramic fire-resistant polyolefin material to the present embodiment Set 8.Using ceramic fire-resistant polyolefin material as cable jacket 8, such material is both good insulating materials, can rise again To thermal insulation, heat-insulated, gear fire, water blocking effect, and while burning, will not distribute smog, Halogen, nontoxic, while such cable material Cost is not high, and any multicore, any specification can be made into according to client's requirement, reduces the investment of investing unit to greatest extent Cost also improves the fire safety performance rate of building.
Specific embodiment of the present utility model above described embodiment only expresses, the description thereof is more specific and detailed, But it should not be understood as limiting the scope of the patent of the utility model.It should be pointed out that for the common of this field For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to In the protection scope of the utility model.

Claims (6)

1. a kind of ultra-flexible energy copper core fireproof cable, which is characterized in that including cable core and the oversheath being wrapped in outside cable core, institute Stating cable core includes the middle spacer tube along the setting of cable core central axes, and along the circumferentially equally distributed more conductors of the middle spacer tube, It is filled with traction-resistant fibre beam in the middle spacer tube, the conductor be that copper wire of annealing through high-intensitive circle presses the copper being twisted Core conductor, the conductor are successively enclosed with flame retardant coating and insulating layer from inside to outside outside.
2. ultra-flexible energy copper core fireproof cable according to claim 1, which is characterized in that the flame retardant coating includes resistance to two layers Fiery mica tape, the overlapping of two layers fire-resistant isinglass belt outside the conductor, the flame retardant coating with a thickness of 0.14mm.
3. ultra-flexible energy copper core fireproof cable according to claim 1, which is characterized in that the insulating layer is that ceramic is resistance to Insulating layer made of fiery ethylene propylene diene rubber, formed insulated core, the insulating layer with a thickness of 1.2mm.
4. ultra-flexible energy copper core fireproof cable according to claim 1, which is characterized in that conductor strand described in more at Cable core, and fire resisting fire proofing material is extruded with the gap location of the cable core is closely knit, form fireprotection layer.
5. ultra-flexible energy copper core fireproof cable according to claim 4, which is characterized in that be surrounded with outside the fireprotection layer low Cigarette halogen-free flameproof band.
6. ultra-flexible energy copper core fireproof cable according to claim 1, which is characterized in that the oversheath is that ceramic is resistance to Oversheath made of fiery polyolefine material.
CN201821186542.2U 2018-07-25 2018-07-25 A kind of ultra-flexible energy copper core fireproof cable Active CN208589279U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821186542.2U CN208589279U (en) 2018-07-25 2018-07-25 A kind of ultra-flexible energy copper core fireproof cable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821186542.2U CN208589279U (en) 2018-07-25 2018-07-25 A kind of ultra-flexible energy copper core fireproof cable

Publications (1)

Publication Number Publication Date
CN208589279U true CN208589279U (en) 2019-03-08

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821186542.2U Active CN208589279U (en) 2018-07-25 2018-07-25 A kind of ultra-flexible energy copper core fireproof cable

Country Status (1)

Country Link
CN (1) CN208589279U (en)

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