CN214377711U - Novel environment-friendly safe fireproof cable - Google Patents
Novel environment-friendly safe fireproof cable Download PDFInfo
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- CN214377711U CN214377711U CN202023285883.5U CN202023285883U CN214377711U CN 214377711 U CN214377711 U CN 214377711U CN 202023285883 U CN202023285883 U CN 202023285883U CN 214377711 U CN214377711 U CN 214377711U
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- outside
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- inner conductor
- copper wire
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- 239000004020 conductor Substances 0.000 claims abstract description 40
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 34
- 239000003063 flame retardant Substances 0.000 claims abstract description 20
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 17
- 230000007613 environmental effect Effects 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims abstract description 9
- 239000011248 coating agent Substances 0.000 claims abstract description 8
- 238000000576 coating method Methods 0.000 claims abstract description 8
- 239000010445 mica Substances 0.000 claims abstract description 7
- 229910052618 mica group Inorganic materials 0.000 claims abstract description 7
- 239000000779 smoke Substances 0.000 claims abstract description 5
- 229910052736 halogen Inorganic materials 0.000 claims abstract description 3
- 150000002367 halogens Chemical class 0.000 claims abstract description 3
- 230000017105 transposition Effects 0.000 claims abstract 2
- 229910052802 copper Inorganic materials 0.000 claims description 13
- 239000010949 copper Substances 0.000 claims description 13
- 230000009970 fire resistant effect Effects 0.000 claims description 11
- 238000002955 isolation Methods 0.000 claims description 11
- 239000004703 cross-linked polyethylene Substances 0.000 claims description 6
- 229920003020 cross-linked polyethylene Polymers 0.000 claims description 6
- 239000000919 ceramic Substances 0.000 claims description 5
- 238000001125 extrusion Methods 0.000 claims description 5
- 230000003139 buffering effect Effects 0.000 claims description 3
- DXZMANYCMVCPIM-UHFFFAOYSA-L zinc;diethylphosphinate Chemical compound [Zn+2].CCP([O-])(=O)CC.CCP([O-])(=O)CC DXZMANYCMVCPIM-UHFFFAOYSA-L 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims 1
- 150000001875 compounds Chemical class 0.000 claims 1
- 238000002485 combustion reaction Methods 0.000 abstract description 3
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 abstract 1
- 238000007747 plating Methods 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 74
- 230000000694 effects Effects 0.000 description 4
- 239000012774 insulation material Substances 0.000 description 4
- 239000011241 protective layer Substances 0.000 description 4
- 238000004804 winding Methods 0.000 description 4
- 238000009413 insulation Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000009941 weaving Methods 0.000 description 2
- 241000282414 Homo sapiens Species 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910000039 hydrogen halide Inorganic materials 0.000 description 1
- 239000012433 hydrogen halide Substances 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 239000011295 pitch Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
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Abstract
The utility model discloses a novel environmental protection safe type fireproof cable, including three inner conductor of group, every group the inner conductor is formed by the same core transposition of anaerobic soft copper wire, every group the outside of inner conductor is provided with the flame retardant coating, the flame retardant coating is formed around the package by the mica tape, every group the outside of flame retardant coating is crowded altogether and is formed with the insulating layer, three groups the outside of inner conductor is provided with semi-conducting layer, semi-conducting layer is formed around the package by the semi-conducting strip, semi-conducting layer's outside is provided with the inner sheath, the inner sheath is formed in semi-conducting layer's outside by low smoke and zero halogen material crowded altogether. The utility model discloses an adopt anaerobic soft copper wire or tin-plating soft copper wire to strand together the core and become the inner conductor, and then improved the overload capacity of cable, and the flame retardant coating adopts the mica tape, has improved the fire resistance of conductor for the inner conductor still can keep good dielectric strength under combustion temperature, simultaneously, makes the cable not only overload capacity strong, and the security performance is high moreover.
Description
Technical Field
The utility model relates to the technical field of cables, concretely relates to novel environmental protection safety type fireproof cable.
Background
At present, in the occasions with high fireproof safety conditions such as high-rise buildings, oil platforms, mines, ships, power stations, subways, tunnels and the like in China, most of cable insulation layers and sheath layers are made of halogen-containing insulation materials, once a fire disaster spreads, a large amount of dense smoke is generated, hydrogen halide gas with strong corrosivity of a 'secondary disaster' is generated, the life of people is endangered, equipment and the environment are harmed, even if the halogen-free and low-smoke flame-retardant insulation materials are adopted, the time for burning the flame-retardant insulation materials into powder can only be delayed, if the flame-retardant insulation materials are continuously burnt, the powder gradually falls off, the protection effect is lost, wires and cables are easy to be punctured to cause short circuit, so that the safety of communication and electric power under the fire disaster condition is difficult to be guaranteed, and the safety of the communication and the electric power under the high-speed development of the world economy and the requirement of the world environment organization on the environmental protection are met, the development of green and environment-friendly safety cables is urgently needed to meet the requirement of sustainable development of human beings, which is the development trend of all countries in the world and is the common heart sound of people all over the world.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a novel environmental protection safe type fireproof cable to solve the above-mentioned weak point among the prior art.
In order to achieve the above object, the present invention provides the following technical solutions: a novel environment-friendly safe fireproof cable comprises three groups of inner conductors, each group of inner conductors is formed by twisting oxygen-free soft copper wires together, each group of inner conductors is provided with a fireproof layer outside, the fireproof layer is formed by winding mica tapes, each group of fireproof layers is formed by co-extruding the outside of each fireproof layer to form an insulating layer, three groups of inner conductors are arranged outside each group of inner conductors, each semi-conductive layer is formed by winding a semi-conductive tape, the outside of each semi-conductive layer is provided with an inner sheath, the inner sheath is formed by co-extruding low-smoke halogen-free materials outside the semi-conductive layer, the outside of each inner sheath is provided with a combined shielding layer, each combined shielding layer is formed by combining and weaving copper wires and copper strips outside the inner sheath, an isolation layer is arranged outside the combined shielding layer, each isolation layer is wrapped outside the combined shielding layer by a semi-conductive buffering water-blocking tape, and the outside of the isolation layer is provided with a combined shielding layer, the outer protective layer is formed by ceramic halogen-free flame retardant materials in the outer portion of the wrapping layer in an extrusion molding mode.
Preferably, the insulating layer comprises a conductor shielding layer, the XLPE insulating layer and the insulating shielding layer are distributed from inside to outside, and the three layers are co-extruded outside the fire-resistant layer.
Preferably, the inner conductor uses a tin-plated soft copper wire to replace an oxygen-free soft copper wire, and the stranding of the inner conductor adopts a 6-class structure.
Preferably, the copper wire and the copper strip used for forming the combined shielding layer are respectively a bare copper wire and a bare copper strip.
In the technical scheme, the utility model provides a technological effect and advantage:
the utility model discloses an adopt anaerobic soft copper wire or the synthetic inner conductor that twists with the core of tin-plated soft copper wire, and then the overload capacity of cable has been improved, and the flame retardant coating adopts the mica tape, the fire resistance of conductor has been improved, make the inner conductor have good fire-resistant flame retardant efficiency, and still can keep good dielectric strength under the combustion temperature, and simultaneously, with the conductor shielding layer, XLPE insulating layer and insulation shielding layer three-layer are crowded altogether and are formed the insulating layer, make the cable not only the overload capacity strong, and the security performance is high, the feature of environmental protection is good, and the semi-conducting layer adopts the semi-conducting belt around the package structure, and then when the cable uses, can effectual balanced high-voltage field intensity, it is further, through adopting ceramic halogen-free flame retardant material preparation outer jacket, make the cable wholly can have stronger fire-resistant flame retardant efficiency, the feature of environmental protection when improving the cable and being burnt.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.
Fig. 1 is a cross-sectional view of the present invention.
Description of reference numerals:
1. an inner conductor; 2. a refractory layer; 3. an insulating layer; 31. a conductor shield layer; 32. an XLPE insulating layer; 33. An insulating shield layer; 4. a semiconducting layer; 5. an inner sheath; 6. combining the shielding layers; 7. an isolation layer; 8. wrapping a covering; 9. an outer jacket;
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.
The utility model provides a novel environmental protection safety type fireproof cable as shown in figure 1, which comprises three groups of inner conductors 1, wherein each group of inner conductors 1 is formed by twisting anaerobic soft copper wires together, a fire-resistant layer 2 is arranged outside each group of inner conductors 1, the fire-resistant layer 2 is formed by winding mica tapes, an insulating layer 3 is formed outside each group of fire-resistant layer 2 by co-extrusion, three groups of inner conductors 1 are provided with a semi-conducting layer 4 outside, the semi-conducting layer 4 is formed by winding semi-conducting tapes, an inner sheath 5 is arranged outside the semi-conducting layer 4, the inner sheath 5 is formed by co-extrusion of a halogen-free material outside the semi-conducting layer 4, a combined shielding layer 6 is arranged outside the inner sheath 5, the combined shielding layer 6 is formed by combining and weaving copper wires and copper strips outside the inner sheath 5, an isolating layer 7 is arranged outside the combined shielding layer 6, the isolation layer 7 is wrapped outside the combined shielding layer 6 by a semiconductive buffering water-blocking tape, a wrapping layer 8 is arranged outside the isolation layer 7, the wrapping layer 8 is wrapped outside the isolation layer 7 by an aluminum-plastic composite tape, an outer protective layer 9 is arranged outside the wrapping layer 8, and the outer protective layer 9 is formed outside the wrapping layer 8 by ceramic halogen-free flame-retardant materials in an extrusion molding mode;
further, in the above technical scheme, the insulating layer 3 includes a conductor shielding layer 31, the XLPE insulating layer 32 and the insulating shielding layer 33 are distributed from inside to outside, and the three layers are co-extruded outside the fire-resistant layer 2, so that the insulating layer 3 has better environmental protection performance, high overload capacity and good fire resistance;
further, in the technical scheme, the inner conductor (1) is formed by replacing an oxygen-free soft copper wire with a tin-plated soft copper wire, and the inner conductor (1) is twisted by adopting a 6-class structure, so that the structure is soft, the pitches are kept consistent, and the surface of the inner conductor (1) is smooth and round;
further, in the above technical scheme, the copper wire and the copper strip used for forming the combined shielding layer 6 are respectively a bare copper wire and a bare copper strip, the outer surface of which is smooth and round, and the dielectric strength is good at high temperature for a long time;
the implementation mode is specifically as follows: the inner conductor 1 is stranded by adopting the oxygen-free soft copper wire or the tinned soft copper wire with the core, so that the overload capacity of the cable is improved, the mica tape is adopted as the fire-resistant layer 2, so that the fire resistance of the conductor is improved, the inner conductor 1 has good fire-resistant and flame-retardant effects, and the good dielectric strength can be still kept at the combustion temperature, meanwhile, the conductor shielding layer 31, the XLPE insulating layer 32 and the insulating shielding layer 33 are co-extruded to form the insulating layer 3, so that the cable has strong overload capacity, and has high safety performance and good environmental protection performance, and the semi-conductive layer 4 adopts a semi-conductive belt wrapping structure, further, when the cable is used, the high-voltage field intensity can be effectively balanced, further, the outer protective layer 9 is made of ceramic halogen-free flame-retardant materials, the cable has a strong fire-resistant and flame-retardant effect, and the environmental protection performance of the cable when being burnt is improved.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (4)
1. The utility model provides a novel environmental protection safety type fireproof cable, includes three inner conductor (1) of group, its characterized in that: every group inner conductor (1) is formed by the transposition of oxygen-free soft copper wire with the core, every group the outside of inner conductor (1) is provided with flame retardant coating (2), flame retardant coating (2) are formed around the package by the mica tape, every group the outside of flame retardant coating (2) is crowded altogether and is formed with insulating layer (3), three groups the outside of inner conductor (1) is provided with semi-conductive layer (4), semi-conductive layer (4) are formed around the package by the semi-conductive tape, the outside of semi-conductive layer (4) is provided with inner sheath (5), inner sheath (5) are crowded in the outside of semi-conductive layer (4) by low smoke and zero halogen material altogether, the outside of inner sheath (5) is provided with combination shielding layer (6), combination shielding layer (6) are woven in the outside of inner sheath (5) by copper wire and copper strips combination, the outside of combination shielding layer (6) is provided with isolation layer (7), isolation layer (7) are around the outside of package in combination shielding layer (6) by semi-conductive buffering water-blocking tape, the outside of isolation layer (7) is provided with around covering (8), around covering (8) by the compound area of plastic-aluminum around the outside of package in isolation layer (7), the outside around covering (8) is provided with outer jacket (9), outer jacket (9) are by ceramic halogen-free flame retardant material extrusion moulding in the outside around covering (8).
2. The novel environment-friendly and safe fireproof cable according to claim 1, wherein: the insulating layer (3) comprises a conductor shielding layer (31), the XLPE insulating layer (32) and the insulating shielding layer (33) are distributed from inside to outside, and the three layers are co-extruded outside the fire-resistant layer (2).
3. The novel environment-friendly and safe fireproof cable according to claim 1, wherein: the inner conductor (1) replaces the anaerobic soft copper wire with the tinned soft copper wire, and the stranding of the inner conductor (1) adopts a 6-class structure.
4. The novel environment-friendly and safe fireproof cable according to claim 1, wherein: the copper wire and the copper strip used for forming the combined shielding layer (6) are respectively a bare copper wire and a bare copper strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023285883.5U CN214377711U (en) | 2020-12-30 | 2020-12-30 | Novel environment-friendly safe fireproof cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023285883.5U CN214377711U (en) | 2020-12-30 | 2020-12-30 | Novel environment-friendly safe fireproof cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214377711U true CN214377711U (en) | 2021-10-08 |
Family
ID=77950982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023285883.5U Active CN214377711U (en) | 2020-12-30 | 2020-12-30 | Novel environment-friendly safe fireproof cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214377711U (en) |
-
2020
- 2020-12-30 CN CN202023285883.5U patent/CN214377711U/en active Active
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