CN220020652U - Fireproof high-temperature-resistant aluminum alloy cable - Google Patents
Fireproof high-temperature-resistant aluminum alloy cable Download PDFInfo
- Publication number
- CN220020652U CN220020652U CN202320609279.8U CN202320609279U CN220020652U CN 220020652 U CN220020652 U CN 220020652U CN 202320609279 U CN202320609279 U CN 202320609279U CN 220020652 U CN220020652 U CN 220020652U
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- Prior art keywords
- sheath
- aluminum alloy
- layer
- copper
- temperature
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- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 35
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 50
- 239000010949 copper Substances 0.000 claims abstract description 22
- 229910052802 copper Inorganic materials 0.000 claims abstract description 22
- 230000002093 peripheral effect Effects 0.000 claims abstract description 3
- 239000010445 mica Substances 0.000 claims description 13
- 229910052618 mica group Inorganic materials 0.000 claims description 13
- 239000003063 flame retardant Substances 0.000 claims description 11
- 229920003020 cross-linked polyethylene Polymers 0.000 claims description 9
- 239000004703 cross-linked polyethylene Substances 0.000 claims description 9
- 229920000098 polyolefin Polymers 0.000 claims description 9
- 239000000779 smoke Substances 0.000 claims description 9
- 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 8
- 239000002131 composite material Substances 0.000 claims description 6
- 229910052736 halogen Inorganic materials 0.000 claims description 3
- 150000002367 halogens Chemical class 0.000 claims description 3
- 230000009970 fire resistant effect Effects 0.000 claims 1
- 238000005520 cutting process Methods 0.000 abstract description 6
- 241000283984 Rodentia Species 0.000 abstract description 4
- 238000005336 cracking Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 229910045601 alloy Inorganic materials 0.000 abstract description 2
- 239000000956 alloy Substances 0.000 abstract description 2
- 230000017525 heat dissipation Effects 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- DXZMANYCMVCPIM-UHFFFAOYSA-L zinc;diethylphosphinate Chemical compound [Zn+2].CCP([O-])(=O)CC.CCP([O-])(=O)CC DXZMANYCMVCPIM-UHFFFAOYSA-L 0.000 description 1
Classifications
-
- 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
Abstract
The utility model relates to the technical field of alloy cables, in particular to a fireproof high-temperature-resistant aluminum alloy cable. The fireproof high-temperature-resistant aluminum alloy cable comprises a sheath, wherein a plurality of annular grooves are formed in the sheath, and copper rings are embedded in each annular groove; the inner ring of the copper ring is fixedly embedded in the annular groove, a plurality of annularly distributed copper sheets are embedded on the copper ring, and the copper sheets are respectively inserted into annularly arranged slots formed in the peripheral sheath of the annular groove. According to the fireproof high-temperature-resistant aluminum alloy cable provided by the utility model, the plurality of equidistant copper rings are arranged on the sheath, so that the compressive strength of the sheath is improved, a protection net structure can be formed, the sheath is not easy to be occluded by other rodents to cause the problem of large-piece cracking, the copper sheets on the copper rings can play a role in rapidly radiating the cable, and meanwhile, when the sheath is bent, the copper sheets inserted into the cutting grooves can slip off the cutting grooves and be exposed in the air, so that the radiating effect of the cable is further improved.
Description
Technical Field
The utility model relates to the technical field of alloy cables, in particular to a fireproof high-temperature-resistant aluminum alloy cable.
Background
At present, most of domestic wire and cable production enterprises have developed aluminum alloy power cables at first, great technological breakthroughs are achieved in safety performance, electrical performance and mechanical performance, the requirements of the national current standards are completely met, when the sectional area of an aluminum alloy conductor of the aluminum alloy cable is 1.5 times that of a copper core, the aluminum alloy conductor of the aluminum alloy cable and the copper core can reach equivalent electrical performance, the advantages of the aluminum alloy cable are more obvious under the condition that the electrical performance is equivalent, the cost is low, the direct purchasing cost is 30-40% lower than that of a copper cable, the installation and construction cost of a general building is saved by more than 20%, the large-span building can be saved by more than 40%, the weight is light, the aluminum alloy cable is only half of an equivalent copper cable, the aluminum alloy cable is easy to transport and lay, and the like, for large and medium-sized engineering, the aluminum alloy cable with various specifications can realize comprehensive saving of funds, manpower and material resources, and can greatly contribute to the saving the core competitiveness of a domestic cable while enriching the existing cable product.
At present, when the aluminum alloy cable runs in a conductive mode, the temperature of the external environment and the heat generated by the conduction of the aluminum alloy cable raise the temperature of an aluminum alloy wire, and the aluminum alloy cable is difficult to quickly dissipate heat, so that part of the structure is deformed, and the performance of the aluminum alloy cable is affected.
Therefore, it is necessary to provide a new fireproof high-temperature-resistant aluminum alloy cable to solve the above technical problems.
Disclosure of Invention
In order to solve the technical problems, the utility model provides a fireproof high-temperature-resistant aluminum alloy cable.
The fireproof high-temperature-resistant aluminum alloy cable provided by the utility model comprises a sheath, wherein a plurality of equidistant annular grooves are formed in the sheath along the axis, and each annular groove is embedded with a copper ring;
the inner ring of the copper ring is fixedly embedded in the annular groove, a plurality of annularly distributed copper sheets are embedded on the copper ring, and the copper sheets are respectively inserted into annularly arranged slots formed in the peripheral sheath of the annular groove.
Preferably, the sheath is provided with an opening cavity communicated with the annular groove, and the copper sheet on the copper ring corresponding to the opening cavity extends out of the opening cavity.
Preferably, a cable core is arranged in the sheath, and an insulating sleeve is sleeved on the cable core.
Preferably, the mica tape layer is sleeved on the cable core, and the thickness of the mica tape layer is 2-3mm.
Preferably, an armor layer is sleeved on the mica tape layer, and the thickness of the armor layer is 3-4mm.
Preferably, the armor layer is sleeved with a heat-resistant layer, and the heat-resistant layer is composed of a crosslinked polyethylene layer with an inner composite structure and an outer composite structure and a low-smoke halogen-free flame-retardant polyolefin layer.
Preferably, the cross-linked polyethylene layer is 1.5-2.5mm, and the low-smoke halogen-free flame retardant polyolefin layer is 1.5-2.5mm.
Compared with the related art, the fireproof high-temperature-resistant aluminum alloy cable provided by the utility model has the following beneficial effects:
1. according to the utility model, the plurality of equidistant copper rings are arranged on the sheath, so that the compressive strength of the sheath is improved, and a protective net structure can be formed, so that the sheath is not easy to be occluded by other rodents to cause the problem of large cracking;
2. the copper sheet on the copper ring can play a role in fast heat dissipation of the cable, and meanwhile, when the sheath is bent, the copper sheet inserted into the cutting groove can slip off the cutting groove and be exposed in the air, so that the heat dissipation effect of the cable is further improved;
3. according to the utility model, the mica tape layer is arranged outside the cable core to carry out first-layer protection on the cable core, the arranged armor layer can be made of steel belts, so that the tensile, compressive and torsion resistance of the cable are improved, and the heat-resistant layer formed by compounding the crosslinked polyethylene layer and the low-smoke halogen-free flame-retardant polyolefin layer effectively enhances the flame retardance and high temperature resistance of the cable.
Drawings
Fig. 1 is a schematic structural diagram of a preferred embodiment of a fireproof and high-temperature-resistant aluminum alloy cable according to the present utility model.
Fig. 2 is a schematic cross-sectional view of the copper ring of fig. 1.
Fig. 3 is a schematic cross-sectional structure of the fireproof high-temperature-resistant aluminum alloy cable provided by the utility model.
Reference numerals in the drawings: 1. a sheath; 1a, an annular groove; 1b, an open cavity; 1c, grooving; 2. a copper ring; 21. copper sheets; 3. a cable core; 4. mica tape layers; 5. an armor layer; 6. and a heat-resistant layer.
Description of the embodiments
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Specific implementations of the utility model are described in detail below in connection with specific embodiments.
Referring to fig. 1 to 3, a fireproof high temperature resistant aluminum alloy cable provided by an embodiment of the present utility model includes: sheath 1, copper ring 2 and cable core 3.
In the embodiment of the utility model, referring to fig. 3, a cable core 3 is disposed in the sheath 1, an insulating sleeve is sleeved on the cable core 3, a mica tape layer 4 is sleeved on the cable core 3, the thickness of the mica tape layer 4 is 2-3mm, an armor layer 5 is sleeved on the mica tape layer 4, the thickness of the armor layer 5 is 3-4mm, a heat-resistant layer 6 is sleeved on the armor layer 5, the heat-resistant layer 6 is composed of a cross-linked polyethylene layer with an inner composite structure and an outer composite structure and a low smoke halogen-free flame-retardant polyolefin layer, the cross-linked polyethylene layer is 1.5-2.5mm, and the low smoke halogen-free flame-retardant polyolefin layer is 1.5-2.5mm.
It should be noted that: through set up mica tape layer 4 outside cable core 3, carry out the first layer protection to cable core 3, thereby the armor layer 5 that sets up can adopt the steel band to make to promote tensile, resistance to compression, the torsion resistance of cable, and the heat-resisting layer 6 that is formed by crosslinked polyethylene layer and low smoke and zero halogen flame retardant polyolefin layer complex has effectively strengthened the fire-retardant and the high temperature resistance of cable.
In the embodiment of the present utility model, referring to fig. 1 and 2, a plurality of annular grooves 1a are formed on the sheath 1 along the axis, copper rings 2 are embedded in each annular groove 1a, the inner ring of each copper ring 2 is fixedly embedded in the annular groove 1a, a plurality of annularly distributed copper sheets 21 are embedded on each copper ring 2, the copper sheets 21 are respectively inserted into annular grooves 1c formed on the sheath 1 around the annular groove 1a, an open cavity 1b communicated with the annular groove 1a is formed on the sheath 1, and the copper sheets 21 corresponding to the open cavity 1b on each copper ring 2 extend out of the open cavity 1b.
It should be noted that: the plurality of copper rings 2 distributed at equal intervals are arranged on the sheath 1, so that the compressive strength of the sheath 1 is improved, and a protection net structure can be formed, so that the sheath 1 is not easy to be occluded by other rodents to cause the problem of large-piece cracking;
the copper sheet 21 on the copper ring 2 can solve the problem of rapid heat dissipation of the cable, and when the sheath 1 is bent, the copper sheet 21 inserted into the slot 1c can slip off the slot 1c and be exposed in the air, so that the heat dissipation effect of the cable is further improved.
The working principle of the fireproof high-temperature-resistant aluminum alloy cable provided by the utility model is as follows:
the copper rings 2 which are distributed at equal intervals are arranged on the sheath 1, so that the compressive strength of the sheath 1 is improved, a protection net structure can be formed, the sheath 1 is not easy to be occluded by other rodents to cause a problem of large-piece cracking, the copper sheets 21 on the copper rings 2 can play a role in rapidly radiating cables, and when the sheath 1 is bent, the copper sheets 21 inserted into the cutting grooves 1c can slip off the cutting grooves 1c and be exposed in the air, so that the radiating effect of the cables is further improved;
through set up mica tape layer 4 outside cable core 3, carry out the first layer protection to cable core 3, thereby the armor layer 5 that sets up can adopt the steel band to make to promote tensile, resistance to compression, the torsion resistance of cable, and the heat-resisting layer 6 that is formed by crosslinked polyethylene layer and low smoke and zero halogen flame retardant polyolefin layer complex has effectively strengthened the fire-retardant and the high temperature resistance of cable.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (7)
1. The fireproof high-temperature-resistant aluminum alloy cable is characterized by comprising a sheath (1), wherein a plurality of equidistant annular grooves (1 a) are formed in the sheath (1) along the axis, and copper rings (2) are embedded in each annular groove (1 a);
the inner ring of the copper ring (2) is fixedly embedded in the annular groove (1 a), a plurality of annularly distributed copper sheets (21) are embedded on the copper ring (2), and the copper sheets (21) are respectively inserted into annular grooves (1 c) formed in the peripheral sheath (1) of the annular groove (1 a).
2. The fireproof and high-temperature-resistant aluminum alloy cable according to claim 1, wherein an opening cavity (1 b) communicated with the annular groove (1 a) is formed in the sheath (1), and copper sheets (21) corresponding to the opening cavity (1 b) on the copper ring (2) extend out of the opening cavity (1 b).
3. The fireproof high-temperature-resistant aluminum alloy cable according to claim 1, wherein a cable core (3) is arranged in the sheath (1), and an insulating sleeve is sleeved on the cable core (3).
4. A fire-proof and high temperature resistant aluminium alloy cable according to claim 3, characterized in that the cable core (3) is sleeved with a mica tape layer (4), and the thickness of the mica tape layer (4) is 2-3mm.
5. The fireproof and high-temperature-resistant aluminum alloy cable according to claim 4, wherein an armor layer (5) is sleeved on the mica tape layer (4), and the thickness of the armor layer (5) is 3-4mm.
6. The fireproof and high-temperature-resistant aluminum alloy cable according to claim 5, wherein a heat-resistant layer (6) is sleeved on the armor layer (5), and the heat-resistant layer (6) is composed of a cross-linked polyethylene layer with an inner composite structure and an outer composite structure and a low-smoke halogen-free flame-retardant polyolefin layer.
7. The fire-resistant and high temperature-resistant aluminum alloy cable according to claim 6, wherein the cross-linked polyethylene layer is 1.5-2.5mm, and the low smoke zero halogen flame-retardant polyolefin layer is 1.5-2.5mm.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202320609279.8U CN220020652U (en) | 2023-03-25 | 2023-03-25 | Fireproof high-temperature-resistant aluminum alloy cable |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202320609279.8U CN220020652U (en) | 2023-03-25 | 2023-03-25 | Fireproof high-temperature-resistant aluminum alloy cable |
Publications (1)
Publication Number | Publication Date |
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CN220020652U true CN220020652U (en) | 2023-11-14 |
Family
ID=88684771
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202320609279.8U Active CN220020652U (en) | 2023-03-25 | 2023-03-25 | Fireproof high-temperature-resistant aluminum alloy cable |
Country Status (1)
Country | Link |
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CN (1) | CN220020652U (en) |
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2023
- 2023-03-25 CN CN202320609279.8U patent/CN220020652U/en active Active
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