CN220895238U - Low smoke zero halogen rare earth aluminum alloy power cable - Google Patents
Low smoke zero halogen rare earth aluminum alloy power cable Download PDFInfo
- Publication number
- CN220895238U CN220895238U CN202322886694.0U CN202322886694U CN220895238U CN 220895238 U CN220895238 U CN 220895238U CN 202322886694 U CN202322886694 U CN 202322886694U CN 220895238 U CN220895238 U CN 220895238U
- Authority
- CN
- China
- Prior art keywords
- layer
- conductor shielding
- aluminum alloy
- low
- rare earth
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000000779 smoke Substances 0.000 title claims abstract description 31
- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 29
- 229910052736 halogen Inorganic materials 0.000 title claims abstract description 26
- 229910052761 rare earth metal Inorganic materials 0.000 title claims abstract description 20
- -1 halogen rare earth Chemical class 0.000 title claims description 9
- 239000004020 conductor Substances 0.000 claims abstract description 28
- 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 15
- 238000009413 insulation Methods 0.000 claims abstract description 15
- 229910052751 metal Inorganic materials 0.000 claims abstract description 15
- 239000002184 metal Substances 0.000 claims abstract description 15
- 239000003063 flame retardant Substances 0.000 claims abstract description 14
- 239000004372 Polyvinyl alcohol Substances 0.000 claims abstract description 12
- 229920002451 polyvinyl alcohol Polymers 0.000 claims abstract description 12
- 229920000098 polyolefin Polymers 0.000 claims abstract description 11
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 9
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000011888 foil Substances 0.000 claims abstract description 3
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 3
- 150000002367 halogens Chemical class 0.000 claims description 6
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims 1
- 230000007547 defect Effects 0.000 abstract description 4
- 239000011224 oxide ceramic Substances 0.000 abstract description 2
- 229910052574 oxide ceramic Inorganic materials 0.000 abstract description 2
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 abstract description 2
- 235000012239 silicon dioxide Nutrition 0.000 abstract description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 6
- 229910052802 copper Inorganic materials 0.000 description 6
- 239000010949 copper Substances 0.000 description 6
- 150000002910 rare earth metals Chemical class 0.000 description 5
- 239000000047 product Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000004804 winding Methods 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
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- Insulated Conductors (AREA)
Abstract
The utility model discloses a low-smoke zero-halogen rare earth aluminum alloy power cable, which comprises a main body and a conductor shielding layer, wherein the conductor shielding layer, a low-smoke zero-halogen crosslinked polyolefin layer, a metal shielding insulating layer, a polyvinyl alcohol waterproof layer, a wrapping layer and a heat insulation flame-retardant layer are arranged in the cable main body, a first filling layer is arranged outside the conductor shielding layer, an aluminum alloy wire core and a second filling layer are arranged in the conductor shielding layer, the low-smoke zero-halogen crosslinked polyolefin layer, the metal shielding insulating layer, the polyvinyl alcohol waterproof layer, the wrapping layer, the heat insulation flame-retardant layer and the first filling layer are sequentially arranged outside the conductor shielding layer, the conductor shielding layer is made of aluminum foil, the metal insulating layer is made of aluminum oxide ceramic, and the heat insulation flame-retardant layer is made of silicon dioxide. Through the structure, the defects of the traditional cable are overcome, the heat insulation, flame retardance and waterproof functions of the cable are effectively improved, and accordingly the fire hazard is reduced.
Description
Technical Field
The utility model relates to the technical field of cables, in particular to a low-smoke zero-halogen rare earth aluminum alloy power cable.
Background
With the rapid development of the power industry, the demand for cables is increasing at an annual growth rate of 10-15%. At present, the wires used in the wire and cable industry are mainly copper and aluminum, and as the price of copper is increased at a high speed, in order to reduce the production cost, the world wire and cable industry proposes a method for taking aluminum instead of copper as the wire and cable wires. At present, the aluminum product production capacity in China is excessive, meanwhile, the notch of the copper product is greatly required to be imported, and in order to change the dependence on the copper product, the key of fully utilizing domestic resources and ensuring the sustainable development of the power industry is to greatly popularize the aluminum as a wire of an electric wire and a cable. Aluminum is an ideal material for replacing copper in the cable industry, but pure aluminum wires have some drawbacks such as: poor mechanical strength, easy creep, easy overload heating, etc.
In the prior art, through searching, the Chinese patent discloses a novel low-smoke halogen-free rare earth aluminum alloy conductor power cable, the application number of which is CN201621278013.6, and the arrangement of a wrapping layer, an armor layer and an inner sheath is beneficial to improving the overall structural strength of the cable and makes up for the defect of insufficient structural strength of an aluminum core; the glass fiber rope and the wrapping layer are arranged, so that the inner wire core structure is compact, and the insulation property is better.
When using, the fire prevention heat-proof function of cable is not considered to above-mentioned scheme, can appear the condition that overload generates heat under the long-term use of cable, produces the potential safety hazard easily to because the cable exposes under the sun for a long time, can lead to its surface ageing to appear the crackle, the rainwater goes on to the cable inside and appears the hidden danger that electric leakage was on fire easily, the waterproof function of water conservancy diversion cable is also not considered to above-mentioned scheme.
Disclosure of utility model
The utility model aims to provide a low-smoke halogen-free rare earth aluminum alloy power cable, which can make up for the defects of the prior cable, effectively improves the functions of heat insulation, flame retardance and water resistance of the cable, and further reduces the hidden danger of fire.
In order to achieve the above purpose, the low smoke zero halogen rare earth aluminum alloy power cable comprises a cable main body and a conductor shielding layer, wherein the conductor shielding layer, a low smoke zero halogen cross-linked polyolefin layer, a metal shielding insulating layer, a polyvinyl alcohol waterproof layer, a wrapping layer and a heat insulation flame retardant layer are arranged in the cable main body, a first filling layer is arranged outside the conductor shielding layer, and an aluminum alloy wire core and a second filling layer are arranged inside the conductor shielding layer.
According to the low-smoke zero-halogen rare earth aluminum alloy power cable, the low-smoke zero-halogen crosslinked polyolefin layer, the metal shielding insulating layer, the polyvinyl alcohol waterproof layer, the wrapping layer, the heat insulation flame-retardant layer and the first filling layer are sequentially arranged outside the conductor shielding layer.
According to the low-smoke halogen-free rare earth aluminum alloy power cable, the conductor shielding layer is made of aluminum foil.
According to the low-smoke halogen-free rare earth aluminum alloy power cable, the metal insulating layer is made of aluminum oxide ceramic.
According to the low-smoke halogen-free rare earth aluminum alloy power cable, the heat-insulating flame-retardant layer is made of silicon dioxide.
The utility model has the following beneficial effects:
1. Compared with the prior art, the low-smoke zero-halogen rare earth aluminum alloy power cable has the advantages that the waterproof and flame-retardant functions are realized by arranging the polyvinyl alcohol waterproof layer and the heat-insulating and flame-retardant layer, the defects of the conventional cable are overcome, the heat-insulating and flame-retardant functions and the waterproof functions of the cable are effectively improved, and accordingly fire hazards are reduced.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The utility model is further described below with reference to the drawings and examples;
FIG. 1 is a schematic diagram of the overall structure of a low smoke zero halogen rare earth aluminum alloy power cable of the present utility model;
Fig. 2 is a sectional view of the internal structure of a low smoke zero halogen rare earth aluminum alloy power cable according to the present utility model.
Legend description:
1. a cable body; 2. a conductor shielding layer; 3. a low smoke zero halogen cross-linked polyolefin layer; 4. a metal insulating layer; 5. a polyvinyl alcohol waterproof layer; 6. wrapping the layer; 7. a heat insulating flame retardant layer; 8. a first filler layer; 9. an aluminum alloy wire core; 10. and a second filling layer.
Detailed Description
Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.
Referring to fig. 1-2, the low smoke zero halogen rare earth aluminum alloy power cable of the embodiment of the utility model comprises a cable main body 1 and a conductor shielding layer 2, wherein the conductor shielding layer 2, a low smoke zero halogen cross-linked polyolefin layer 3, a metal insulating layer 4, a polyvinyl alcohol waterproof layer 5, a wrapping layer 6 and a heat insulation flame-retardant layer 7 are arranged in the cable main body 1, the conductor shielding layer 2 is used for stably mounting the aluminum alloy wire core 9, the metal insulating layer 4 is used for isolating current, the polyvinyl alcohol waterproof layer 5 is used for absorbing water and preventing moisture, the wrapping layer 6 is used for winding and fixing the inside of the whole cable, the heat insulation flame-retardant layer 7 is used for playing a fireproof and heat-insulating role, a first filling layer 8 is arranged outside the conductor shielding layer 2, the low smoke zero halogen cross-linked polyolefin layer 3 is used for being nontoxic and harmless, the environment-friendly function is achieved, the aluminum alloy wire core 9 and a second filling layer 10 are arranged inside the metal conductor shielding layer 2, the low smoke zero halogen cross-linked polyolefin layer 3, the metal insulating layer 4, the polyvinyl alcohol waterproof layer 5, the heat insulation layer 6, the heat insulation layer 7 and the first filling layer 7 are sequentially arranged outside the ceramic conductor shielding layer 2, and the heat insulation layer 4 is made of the ceramic.
Working principle: when the aluminum alloy wire core 9 is used, the aluminum alloy wire core is wrapped and fixed through the conductor shielding layer 2, and is firmly placed through the second filling layer 10, and then the low-smoke zero-halogen cross-linked polyolefin layer 3, the metal insulating layer 4, the polyvinyl alcohol waterproof layer 5, the wrapping layer 6 and the heat insulation flame-retardant layer 7 are sequentially wrapped on the outer side of the conductor shielding layer 2, and then the aluminum alloy wire core is firmly placed through the first filling layer 8.
The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.
Claims (5)
1. The utility model provides a low smoke and zero halogen rare earth aluminum alloy power cable, its characterized in that, includes cable body (1) and conductor shielding layer (2), the inside of cable body (1) is provided with conductor shielding layer (2), low smoke and zero halogen crosslinked polyolefin layer (3), metal insulation layer (4), polyvinyl alcohol waterproof layer (5), around covering (6) and thermal-insulated fire-retardant layer (7), the outside of conductor shielding layer (2) is provided with first filling layer (8), the inside of conductor shielding layer (2) is provided with aluminum alloy wire core (9) and second filling layer (10).
2. The low-smoke zero-halogen rare earth aluminum alloy power cable according to claim 1, wherein the low-smoke zero-halogen crosslinked polyolefin layer (3), the metal insulating layer (4), the polyvinyl alcohol waterproof layer (5), the wrapping layer (6), the heat-insulating flame-retardant layer (7) and the first filling layer (8) are sequentially arranged outside the conductor shielding layer (2).
3. The low-smoke zero-halogen rare earth aluminum alloy power cable according to claim 1, wherein the conductor shielding layer (2) is made of aluminum foil.
4. A low smoke zero halogen rare earth aluminium alloy power cable according to claim 1, characterized in that the metal insulating layer (4) is made of alumina ceramic.
5. A low smoke zero halogen rare earth aluminium alloy power cable according to claim 1, characterized in that the heat insulating flame retardant layer (7) is made of silica.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322886694.0U CN220895238U (en) | 2023-10-26 | 2023-10-26 | Low smoke zero halogen rare earth aluminum alloy power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322886694.0U CN220895238U (en) | 2023-10-26 | 2023-10-26 | Low smoke zero halogen rare earth aluminum alloy power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220895238U true CN220895238U (en) | 2024-05-03 |
Family
ID=90871935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322886694.0U Active CN220895238U (en) | 2023-10-26 | 2023-10-26 | Low smoke zero halogen rare earth aluminum alloy power cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220895238U (en) |
-
2023
- 2023-10-26 CN CN202322886694.0U patent/CN220895238U/en active Active
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