CN211828199U - Fire-resistant rare earth aluminum alloy cable - Google Patents
Fire-resistant rare earth aluminum alloy cable Download PDFInfo
- Publication number
- CN211828199U CN211828199U CN201922161231.1U CN201922161231U CN211828199U CN 211828199 U CN211828199 U CN 211828199U CN 201922161231 U CN201922161231 U CN 201922161231U CN 211828199 U CN211828199 U CN 211828199U
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- Prior art keywords
- layer
- oval
- aluminum alloy
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- outward
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- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 36
- 230000009970 fire resistant effect Effects 0.000 title claims abstract description 21
- 229910052761 rare earth metal Inorganic materials 0.000 title claims description 13
- 150000002910 rare earth metals Chemical class 0.000 title claims description 13
- 239000010410 layer Substances 0.000 claims abstract description 78
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 17
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 17
- 239000001301 oxygen Substances 0.000 claims abstract description 17
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 16
- 239000010959 steel Substances 0.000 claims abstract description 16
- 239000000779 smoke Substances 0.000 claims abstract description 14
- 239000003365 glass fiber Substances 0.000 claims abstract description 13
- 239000007787 solid Substances 0.000 claims abstract description 13
- 239000010445 mica Substances 0.000 claims abstract description 11
- 229910052618 mica group Inorganic materials 0.000 claims abstract description 11
- 239000011241 protective layer Substances 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229920000098 polyolefin Polymers 0.000 claims abstract description 10
- 238000011049 filling Methods 0.000 claims abstract description 7
- 229910052736 halogen Inorganic materials 0.000 claims abstract description 7
- 150000002367 halogens Chemical class 0.000 claims abstract description 7
- 238000005253 cladding Methods 0.000 claims abstract description 3
- 238000004804 winding Methods 0.000 claims abstract description 3
- 230000004888 barrier function Effects 0.000 claims description 7
- 239000000919 ceramic Substances 0.000 claims description 6
- 239000002131 composite material Substances 0.000 claims description 5
- 229920002379 silicone rubber Polymers 0.000 claims description 5
- 239000004718 silane crosslinked polyethylene Substances 0.000 claims description 4
- 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 description 3
- 239000003063 flame retardant Substances 0.000 claims description 3
- 239000004945 silicone rubber Substances 0.000 claims description 3
- 239000011152 fibreglass Substances 0.000 claims description 2
- 239000000945 filler Substances 0.000 claims description 2
- 229920000642 polymer Polymers 0.000 claims description 2
- 230000017105 transposition Effects 0.000 abstract 1
- 239000004020 conductor Substances 0.000 description 7
- 230000007797 corrosion Effects 0.000 description 5
- 238000005260 corrosion Methods 0.000 description 5
- 238000002955 isolation Methods 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 231100000331 toxic Toxicity 0.000 description 2
- 230000002588 toxic effect Effects 0.000 description 2
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
Images
Classifications
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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- Insulated Conductors (AREA)
Abstract
The utility model discloses a fire-resistant type tombarthite aluminum alloy cable, including sinle silk skeleton and three sinle silks, sinle silk skeleton comprises three hollow oval bodys, three oval bodys constitute the intersection district and encircle the three sinle silk arrangement district of intersection district, be equipped with in the intersection district with three oval bodys common solid circular body of cutting, and this solid circular body and three oval bodys respectively fixed connection, three sinle silks locate three sinle silk arrangement districts respectively, the sinle silk is inlayed the transposition by many corrugated monofilaments and is formed, the sinle silk coats outward and has the insulating layer; the outer cladding of sinle silk skeleton has the steel tape layer of cutting with three oval bodys, is equipped with the filling layer between steel tape layer and the three oval bodys, and the winding has double-deck mica tape outside the steel tape layer, and double-deck mica tape is equipped with the oxygen layer that separates outward, separates the oxygen layer and is equipped with the aluminum alloy armor outward, is equipped with double-deck glass fiber tape outside the aluminum alloy armor, and double-deck glass fiber tape is equipped with artificial water skin protective layer outward, is equipped with low smoke and zero halogen polyolefin layer outside the artificial water skin protective layer.
Description
Technical Field
The utility model relates to a power cable technical field, especially a fire-resistant type tombarthite aluminum alloy cable.
Background
The cable is the essential article in people's life, along with people's home range's expansion, various novel cables constantly appear, especially along with people's home range high-rise, deepening, intensive, people also more and more pay attention to the taking precautions against of conflagration, and the fireproof cable of good performance also becomes people's urgent demand.
The fire-resistant cables in the current market are uneven in quality, part of the cables cannot meet standard requirements at all, dangerous situations can occur in the using process, particularly, the fire-resistant cables taking aluminum cores as conductors can fuse when a fire disaster occurs, the common fire-resistant cables can generate toxic smoke to seriously threaten the life safety of people when experiencing the fire disaster, and in addition, the common fire-resistant cable protective layers generally adopt steel belt armoring, so that the cable protective capability is low, and the cable is very easy to damage under the conditions of twisting and pulling and high temperature.
SUMMERY OF THE UTILITY MODEL
For solving the problem that exists among the prior art, the utility model provides a fire-resistant type tombarthite aluminum alloy cable.
The utility model adopts the technical proposal that:
a fire-resistant rare earth aluminum alloy cable comprises a cable core framework and three cable cores, wherein the cable core framework is composed of three hollow oval pipe bodies, the three oval pipe bodies are distributed in a delta shape, the oval end parts of the three oval pipe bodies are intersected, the three oval pipe bodies form an intersection area and three cable core arrangement areas surrounding the intersection area, a solid round pipe body which is tangent to the three oval pipe bodies is arranged in the intersection area, the solid round pipe body and the three oval pipe bodies are respectively and fixedly connected, the three cable cores are respectively arranged in the three cable core arrangement areas, the cable cores are formed by embedding and twisting a plurality of corrugated monofilaments, and insulating layers are coated outside the cable cores; the outer cladding of sinle silk skeleton has the steel band layer of cutting with three oval bodys conscientiously, be equipped with the filling layer between steel band layer and three oval bodys, the winding has double-deck mica tape outside the steel band layer, double-deck mica tape is equipped with at a distance from the oxygen layer outward, it is equipped with the aluminum alloy armor to separate the oxygen layer outward, the aluminum alloy armor is equipped with double-deck glass fiber tape outward, double-deck glass fiber tape is equipped with artificial water skin protective layer outward, artificial water skin protective layer is equipped with low smoke and zero halogen polyolefin layer outward.
Preferably, the insulating layer is made of silane crosslinked polyethylene.
Preferably, the core skeleton and the solid circular tube body are made of ceramic high-molecular composite fire-resistant silicone rubber.
Preferably, the filling layer is low-smoke halogen-free glass fiber.
Preferably, the oxygen barrier layer is a flame retardant polyolefin oxygen barrier layer.
Preferably, the aluminum alloy used for the aluminum alloy armor layer is a 5000 series aluminum alloy strip subjected to annealing.
The utility model has the advantages that: the cable core framework can effectively protect the cable core and avoid the cable core from being damaged by extrusion, and the cable core framework and the solid round tube body are both made of ceramic high-molecular composite fire-resistant silicon rubber and are formed into a hard ceramic-shaped object after combustion, so that the cable has very strong tensile strength and fire-resistant and high-temperature-resistant characteristics, and the cable still has enough mechanical strength for continuous normal use before replacement even if other outer protective layers are completely damaged; the cable is complementary through a filling layer, a steel belt layer, a double-layer mica tape, an oxygen isolation layer, an aluminum alloy armor layer, a double-layer glass fiber tape, an artificial water skin protective layer and a low-smoke halogen-free polyolefin layer, so that the cable has excellent flame retardance, fire resistance, high temperature resistance, waterproofness and corrosion resistance, and the mechanical strength of the cable is good.
Drawings
Fig. 1 is a schematic cross-sectional structure diagram of an embodiment of the present invention;
reference numerals: 10. the cable comprises a cable core framework, 11, an oval tube body, 12, an intersection area, 13, a cable core arrangement area, 14, a solid round tube body, 20, a cable core, 21, an insulating layer, 30, a steel tape layer, 40, a filling layer, 50, a double-layer mica tape, 60, an oxygen barrier layer, 70, an aluminum alloy armor layer, 80, a double-layer glass fiber tape, 90, an artificial water skin protective layer and 100, a low-smoke halogen-free polyolefin layer.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Examples
As shown in fig. 1, the fire-resistant rare earth aluminum alloy cable comprises a cable core framework 10 and three cable cores 20, wherein the cable core framework 10 is composed of three hollow oval pipe bodies 11, the three oval pipe bodies 11 are distributed in a delta shape and are intersected at oval ends, the three oval pipe bodies 11 form an intersection area 12 and three cable core arrangement areas 13 surrounding the intersection area 12, a solid round pipe body 14 which is tangent to the three oval pipe bodies 11 is arranged in the intersection area 12, the solid round pipe body 14 is fixedly connected with the three oval pipe bodies 11 respectively, the three cable cores 20 are arranged in the three cable core arrangement areas 13 respectively, each cable core 20 is formed by inlaying and twisting a plurality of corrugated monofilaments, and an insulating layer 21 is coated outside each cable core 20; the cable core framework 10 is coated with a steel belt layer 30 which is tangent to the three oval tubes 11, a filling layer 40 is arranged between the steel belt layer 30 and the three oval tubes 11, a double-layer mica tape 50 is wound outside the steel belt layer 30, an oxygen isolation layer 60 is arranged outside the double-layer mica tape 50, an aluminum alloy armor layer 70 is arranged outside the oxygen isolation layer 60, a double-layer glass fiber tape 80 is arranged outside the aluminum alloy armor layer 70, an artificial water skin protection layer 90 is arranged outside the double-layer glass fiber tape 80, and a low-smoke halogen-free polyolefin layer 100 is arranged outside the artificial water skin protection layer 90.
The core 20 is a rare earth high-iron aluminum alloy conductor to replace the traditional copper conductor, and has the characteristics of creep resistance, high flexibility, strong extensibility and low rebound, under the same current-carrying capacity, the weight of the required rare earth high-iron aluminum alloy conductor is about half of that of the traditional copper conductor, and the price of the rare earth high-iron aluminum alloy conductor is about one third of that of the copper conductor, so that the cable is lighter in weight and lower in cost.
The sinle silk skeleton 10 stable in structure, intensity are high, have fabulous compressive capacity, and three oval body 11 forms regular triangle structure, and when arbitrary single oval body 11 pressurized, two oval body 11 all can provide good support and pressure and decompose in addition. Moreover, even if the end of the oval tube 11 is pressed to a certain degree, the oval tube 11 becomes flatter, and a larger space is provided for the core 20, so that the core 20 is prevented from being squeezed.
The steel tape layer 30 has tensile strength, torsion resistance, high mechanical stress resistance and other properties, and can further prevent the cable from bending deformation.
The double-layer mica tape 50 has good high-temperature resistance and fire resistance, and can effectively protect the inner wire core 20.
The double-layer glass fiber tape 80 has good insulation property, strong heat resistance, good corrosion resistance and high mechanical strength, and can further improve the insulation protection, heat resistance, corrosion resistance and mechanical strength of the cable.
The artificial water skin protection layer 90 is made of ageing-resistant leather, has good corrosion resistance and flexibility, ensures the bending capability of the cable in actual application, also has waterproofness, and increases guarantee for the waterproofness of the cable.
The low smoke and halogen-free polyolefin layer 100 serves as an outer sheath layer, has excellent flame retardancy, does not generate toxic halogen smoke even if burned at high temperature, and does not pollute the environment.
In one embodiment, the insulating layer 21 is made of silane crosslinked polyethylene. Compared with the traditional polyvinyl chloride, the silane crosslinked polyethylene has the characteristics of low smoke and zero halogen, and has better fire resistance and longer service life.
In one embodiment, the core frame 10 and the solid circular tube 14 are made of ceramic polymer composite fire-resistant silicone rubber. The ceramic high-molecular composite fire-resistant silicon rubber is formed into a hard ceramic object after being burnt, and has strong tensile strength and fire-resistant and high-temperature-resistant characteristics, so that the cable still has enough mechanical strength for continuous normal use before replacement even after other outer protective layers are completely damaged.
In one embodiment, the filler layer 40 is low smoke zero halogen fiberglass. The low-smoke halogen-free glass fiber has good insulativity, strong heat resistance, good corrosion resistance and high mechanical strength.
In one embodiment, the oxygen barrier layer 60 is a flame retardant polyolefin oxygen barrier layer 60. Can further provide the flame retardance of the cable, has good oxygen isolation effect and prevents the inner layer from oxidation and aging.
In one embodiment, the aluminum alloy used for the aluminum alloy armor layer 70 is an annealed 5000 series aluminum alloy strip. The layers of the aluminum alloy armor are interlocked and buckled with each other, so that the cable is insulated until the cable has better protection effect, the damage resistance of the cable is also improved, and the fire resistance level is high.
The above-mentioned embodiments only express the specific embodiments of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.
Claims (6)
1. A fire-resistant rare earth aluminum alloy cable is characterized by comprising a wire core framework (10) and three wire cores (20), the cable core framework (10) is composed of three hollow oval pipe bodies (11), the three oval pipe bodies (11) are distributed in a triangular shape and are intersected at the oval end parts, the three oval pipe bodies (11) form an intersection area (12) and three cable core arrangement areas (13) surrounding the intersection area (12), a solid round pipe body (14) which is tangent with the three oval pipe bodies (11) is arranged in the intersection area (12), the solid round pipe body (14) is respectively and fixedly connected with three oval pipe bodies (11), the three wire cores (20) are respectively arranged in the three wire core arrangement areas (13), the cable core (20) is formed by inlaying and twisting a plurality of corrugated monofilaments, and an insulating layer (21) is coated outside the cable core (20); the outer cladding of sinle silk skeleton (10) has steel tape layer (30) with three oval body (11) common cuts, be equipped with filling layer (40) between steel tape layer (30) and three oval body (11), steel tape layer (30) outer winding has double-deck mica tape (50), double-deck mica tape (50) are equipped with outward and separate oxygen layer (60), it is equipped with aluminum alloy armor (70) outward to separate oxygen layer (60), aluminum alloy armor (70) are equipped with double-deck glass fiber tape (80) outward, double-deck glass fiber tape (80) are equipped with artificial water skin protective layer (90) outward, artificial water skin protective layer (90) are equipped with low smoke and zero halogen polyolefin layer (100) outward.
2. Refractory type rare earth aluminium alloy cable according to claim 1, wherein the insulating layer (21) is made of silane crosslinked polyethylene.
3. The fire-resistant rare earth aluminum alloy cable as claimed in claim 2, wherein the core skeleton (10) and the solid circular tube body (14) are made of ceramic polymer composite fire-resistant silicone rubber.
4. The fire-resistant rare earth aluminum alloy cable according to claim 3, wherein the filler layer (40) is low smoke zero halogen fiberglass.
5. The refractory type rare earth aluminum alloy cable according to claim 4, wherein the oxygen barrier layer (60) is a flame retardant polyolefin oxygen barrier layer (60).
6. Refractory type rare earth aluminium alloy cable according to claim 5, characterized in that the aluminium alloy used for the aluminium alloy armouring layer (70) is an annealed 5000 series aluminium alloy strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922161231.1U CN211828199U (en) | 2019-12-05 | 2019-12-05 | Fire-resistant rare earth aluminum alloy cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922161231.1U CN211828199U (en) | 2019-12-05 | 2019-12-05 | Fire-resistant rare earth aluminum alloy cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211828199U true CN211828199U (en) | 2020-10-30 |
Family
ID=73030554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922161231.1U Expired - Fee Related CN211828199U (en) | 2019-12-05 | 2019-12-05 | Fire-resistant rare earth aluminum alloy cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211828199U (en) |
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2019
- 2019-12-05 CN CN201922161231.1U patent/CN211828199U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201030 |