CN219872912U - Halogen-free low-smoke flame-retardant polypropylene power cable - Google Patents
Halogen-free low-smoke flame-retardant polypropylene power cable Download PDFInfo
- Publication number
- CN219872912U CN219872912U CN202321221555.XU CN202321221555U CN219872912U CN 219872912 U CN219872912 U CN 219872912U CN 202321221555 U CN202321221555 U CN 202321221555U CN 219872912 U CN219872912 U CN 219872912U
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- CN
- China
- Prior art keywords
- layer
- fixedly connected
- polypropylene
- halogen
- insulating layer
- 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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Links
- -1 polypropylene Polymers 0.000 title claims abstract description 47
- 239000004743 Polypropylene Substances 0.000 title claims abstract description 44
- 229920001155 polypropylene Polymers 0.000 title claims abstract description 44
- 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 title claims abstract description 37
- 239000003063 flame retardant Substances 0.000 title claims abstract description 37
- 239000000779 smoke Substances 0.000 title claims abstract description 18
- 238000002955 isolation Methods 0.000 claims description 20
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 17
- 239000004020 conductor Substances 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 17
- 239000001301 oxygen Substances 0.000 claims description 17
- 229910052760 oxygen Inorganic materials 0.000 claims description 17
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims description 4
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 229920001169 thermoplastic Polymers 0.000 claims description 3
- 239000004416 thermosoftening plastic Substances 0.000 claims description 3
- 230000004888 barrier function Effects 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 239000002341 toxic gas Substances 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
Landscapes
- Insulated Conductors (AREA)
Abstract
The utility model relates to the technical field of power cables, and discloses a halogen-free low-smoke flame-retardant polypropylene power cable, which comprises an outer insulating layer and is characterized in that: the utility model discloses a novel oxygen-insulating flame-retardant cable sheath, which is characterized in that a sheath is fixedly connected to the inner wall surface of an outer insulating layer, an oxygen-insulating flame-retardant layer is fixedly connected to the inner wall surface of the sheath, a waterproof layer is fixedly connected to the inner wall surface of the sheath, a polypropylene component is fixedly connected to the inner wall surface of the waterproof layer, the polypropylene component comprises a polypropylene layer, first wire harness components are fixedly connected to two sides of the inner wall surface of the polypropylene layer, and second wire harness components are fixedly connected to the top and bottom surfaces of the inner wall of the polypropylene layer.
Description
Technical Field
The utility model relates to the technical field of power cables, in particular to a halogen-free low-smoke flame-retardant polypropylene power cable.
Background
The power cable is a cable for transmitting and distributing electric energy, and is commonly used for urban underground power grids, power station outgoing lines, power supply in industrial and mining enterprises and power transmission lines under the river sea water, wherein the proportion of the cable in the power lines is gradually increasing, and the power cable is a cable product for transmitting and distributing high-power electric energy in a main line of a power system, and comprises various voltage levels of 1-500KV and above and various insulated power cables.
The existing flame-retardant polypropylene power cable in the market has the defects that 1, the existing polypropylene power cable insulating layer contains heavy metals harmful to human bodies such as lead and cadmium, the pollution to soil and water sources can be generated during the use and waste treatment of the cable, and the cable is environment-friendly, 2, the existing polypropylene power cable is easy to burn during fire, flame can spread and expand after burning, and rescue difficulty is very high during fire of super high-rise buildings.
Disclosure of Invention
In order to overcome the defects in the prior art, the utility model provides a halogen-free low-smoke flame-retardant polypropylene power cable which solves the problems in the prior art.
The utility model provides the following technical scheme: the utility model provides a halogen-free low smoke flame retardant polypropylene power cable, includes the outer insulating layer, the inner wall surface fixedly connected with sheath of outer insulating layer, the inner wall surface fixedly connected with oxygen isolation flame retardant coating of outer insulating layer is kept away from to the sheath, the inner wall surface fixedly connected with waterproof layer of sheath is kept away from to the oxygen isolation flame retardant coating, the inner wall surface fixedly connected with polypropylene subassembly of waterproof layer, simple structure, the installation of being convenient for.
Furthermore, the outer insulating layer and the sheath are made of halogen-free materials, the outer insulating layer and the sheath are made of thermoplastic low-smoke halogen-free cable materials, and the outer insulating layer and the sheath have good mechanical properties and processing properties.
Furthermore, the oxygen-isolation flame-retardant layer is made of polyethylene flame-retardant materials, and has excellent flame retardance.
Further, the polypropylene component comprises a polypropylene layer, wherein the two sides of the inner wall surface of the polypropylene layer are fixedly connected with first wire harness components, the top and bottom surfaces of the inner wall of the polypropylene layer are fixedly connected with second wire harness components, and the polypropylene layer has high chemical resistance.
Further, the first wire harness assembly comprises an oxygen isolation film, the inner wall surface of the oxygen isolation film is fixedly connected with a first inner insulating layer, the inner wall of the first inner insulating layer is fixedly connected with a plurality of first wire core conductors, and the oxygen isolation film can isolate oxygen.
Further, the second wire harness assembly comprises a second inner insulating layer, and a plurality of second wire core conductors are fixedly connected to two sides of the inner wall of the second inner insulating layer.
Furthermore, the first inner insulating layer and the second inner insulating layer are made of the same material, the first inner insulating layer and the second wire core conductor are made of halogen-free materials, the first wire core conductor and the second wire core conductor are made of tin plating, and the first inner insulating layer and the second wire core conductor are made of materials with good weldability.
The utility model has the technical effects and advantages that:
1. the utility model is provided with the outer insulating layer and the sheath, which is not only beneficial to not polluting soil and water sources during waste treatment, but also beneficial to not generating toxic gas during production, use and combustion.
2. The utility model is beneficial to preventing flame from spreading when the cable burns in the super high-rise building by arranging the oxygen-isolation flame-retardant layer and the oxygen-isolation film, thereby increasing time for rescue actions and enabling rescue to be faster.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present utility model.
Fig. 2 is a schematic cross-sectional view of the whole structure of the present utility model.
FIG. 3 is a schematic view of the polypropylene component of the present utility model.
Fig. 4 is a schematic view of a first harness assembly according to the present utility model.
Fig. 5 is a schematic view of a second wire harness assembly structure of the present utility model.
The reference numerals are: 1. an outer insulating layer; 2. a sheath; 3. an oxygen barrier flame retardant layer; 4. a waterproof layer; 5. a polypropylene component; 501. a polypropylene layer; 502. a first harness assembly; 5021. an oxygen barrier film; 5022. a first inner insulating layer; 5023. a first core conductor; 503. a second wire harness assembly; 5031. a second inner insulating layer; 5032. and a second wire core conductor.
Detailed Description
Referring to fig. 1-5, the utility model provides a halogen-free low-smoke flame-retardant polypropylene power cable, which comprises an outer insulating layer 1, wherein the inner wall surface of the outer insulating layer 1 is fixedly connected with a sheath 2, the inner wall surface of the sheath 2 far away from the outer insulating layer 1 is fixedly connected with an oxygen-isolation flame-retardant layer 3, the inner wall surface of the oxygen-isolation flame-retardant layer 3 far away from the sheath 2 is fixedly connected with a waterproof layer 4, and the inner wall surface of the waterproof layer 4 is fixedly connected with a polypropylene component 5.
In a preferred embodiment, the outer insulating layer 1 and the sheath 2 are made of halogen-free materials, the outer insulating layer 1 and the sheath 2 are made of thermoplastic low-smoke halogen-free cable materials, and the outer insulating layer 1 and the sheath 2 have good mechanical properties and processing properties.
In a preferred embodiment, the material used for the oxygen-barrier flame-retardant layer 3 is a polyethylene flame-retardant material, and the oxygen-barrier flame-retardant layer 3 has excellent flame retardancy.
In a preferred embodiment, the polypropylene component 5 comprises a polypropylene layer 501, wherein the two sides of the inner wall surface of the polypropylene layer 501 are fixedly connected with a first wire harness component 502, the top and bottom surfaces of the inner wall of the polypropylene layer 501 are fixedly connected with a second wire harness component 503, and the polypropylene layer 501 has high chemical resistance.
In a preferred embodiment, the first wire harness assembly 502 includes an oxygen barrier film 5021, the inner wall surface of the oxygen barrier film 5021 is fixedly connected with a first inner insulating layer 5022, the inner wall of the first inner insulating layer 5022 is fixedly connected with a plurality of first wire core conductors 5023, and the oxygen barrier film 5021 can isolate oxygen.
In a preferred embodiment, the second wire harness assembly 503 includes a second inner insulation layer 5031, and a plurality of second wire core conductors 5032 are fixedly connected to two sides of an inner wall of the second inner insulation layer 5031.
In a preferred embodiment, the first inner insulating layer 5022 and the second inner insulating layer 5031 are made of the same material, the first inner insulating layer 5022 and the second wire core conductor 5032 are made of halogen-free materials, the first wire core conductor 5023 and the second wire core conductor 5032 are made of tin plating, and the first inner insulating layer 5022 and the second wire core conductor 5032 are made of a material with good solderability.
The working principle of the utility model is as follows:
the halogen-free low-smoke flame-retardant polypropylene power cable can be used in high-rise buildings, airports, hospitals, markets and other personnel-intensive places, the outer insulating layer 1 and the sheath 2 have good mechanical properties and processability, when the power cable burns, smoke is very little when the outer insulating layer 1 and the sheath 2 burn, no corrosive gas escapes, meanwhile, the inner wall surface of the sheath 2 is connected with the oxygen-isolation flame-retardant layer 3, the oxygen-isolation flame-retardant layer 3 has good flame retardance, the flame-retardant system can be decomposed under the high temperature and oxidation effects, the oxygen-isolation flame-retardant layer 3 can prevent the combustion, the inner wall of the oxygen-isolation flame-retardant layer 3 is provided with a waterproof layer 4 capable of being waterproof, the outer wall of the polypropylene component 5 is connected with the waterproof layer 4, a plurality of first inner insulating layers 5022 and a plurality of second core conductors 5032 are arranged in the polypropylene layer 501, a layer 5022 is also provided with a layer of oxygen-isolation film 5021 for isolating oxygen, the oxygen-isolation film 5021 reduces the combustion spreading, the power cable adopts a green and special oxygen-isolation layer material, the power cable does not have good electrical properties, and can also prevent the power cable from being polluted by the environment, and can not produce toxic or harmful gas when the power cable is burnt, and the power cable is not polluted by the power cable is produced.
Claims (6)
1. The utility model provides a halogen-free low smoke flame retardant polypropylene power cable, includes outer insulating layer (1), its characterized in that: the inner wall surface fixedly connected with sheath (2) of outer insulating layer (1), the inner wall surface fixedly connected with that outer insulating layer (1) was kept away from to sheath (2) separates oxygen flame retardant coating (3), the inner wall surface fixedly connected with waterproof layer (4) that separates oxygen flame retardant coating (3) kept away from sheath (2), the inner wall surface fixedly connected with polypropylene subassembly (5) of waterproof layer (4).
2. The halogen-free low smoke flame retardant polypropylene power cable according to claim 1, wherein: the outer insulating layer (1) and the sheath (2) are made of halogen-free materials, and the outer insulating layer (1) and the sheath (2) are made of thermoplastic low-smoke halogen-free cable materials.
3. The halogen-free low smoke flame retardant polypropylene power cable according to claim 1, wherein: the oxygen-isolation flame-retardant layer (3) is made of polyethylene flame-retardant material.
4. The halogen-free low smoke flame retardant polypropylene power cable according to claim 1, wherein: the polypropylene component (5) comprises a polypropylene layer (501), wherein the two sides of the inner wall surface of the polypropylene layer (501) are fixedly connected with first wire harness components (502), and the top and bottom surfaces of the inner wall of the polypropylene layer (501) are fixedly connected with second wire harness components (503).
5. The halogen-free low smoke flame retardant polypropylene power cable according to claim 4, wherein: the first wire harness assembly (502) comprises an oxygen isolation film (5021), a first inner insulating layer (5022) is fixedly connected to the inner wall surface of the oxygen isolation film (5021), and a plurality of first wire core conductors (5023) are fixedly connected to the inner wall of the first inner insulating layer (5022).
6. The halogen-free low smoke flame retardant polypropylene power cable according to claim 4, wherein: the second wire harness assembly (503) comprises a second inner insulation layer (5031), and a plurality of second wire core conductors (5032) are fixedly connected to two sides of the inner wall of the second inner insulation layer (5031).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321221555.XU CN219872912U (en) | 2023-05-19 | 2023-05-19 | Halogen-free low-smoke flame-retardant polypropylene power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321221555.XU CN219872912U (en) | 2023-05-19 | 2023-05-19 | Halogen-free low-smoke flame-retardant polypropylene power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219872912U true CN219872912U (en) | 2023-10-20 |
Family
ID=88338099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321221555.XU Active CN219872912U (en) | 2023-05-19 | 2023-05-19 | Halogen-free low-smoke flame-retardant polypropylene power cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219872912U (en) |
-
2023
- 2023-05-19 CN CN202321221555.XU patent/CN219872912U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |