CN220672281U - Copper core crosslinked polyethylene insulating rubber sheath power cable - Google Patents
Copper core crosslinked polyethylene insulating rubber sheath power cable Download PDFInfo
- Publication number
- CN220672281U CN220672281U CN202322064338.0U CN202322064338U CN220672281U CN 220672281 U CN220672281 U CN 220672281U CN 202322064338 U CN202322064338 U CN 202322064338U CN 220672281 U CN220672281 U CN 220672281U
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- cable
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- crosslinked polyethylene
- power cable
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Links
- 229920003020 cross-linked polyethylene Polymers 0.000 title claims abstract description 24
- 239000004703 cross-linked polyethylene Substances 0.000 title claims abstract description 24
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 23
- 229920001971 elastomer Polymers 0.000 title claims abstract description 17
- 239000000919 ceramic Substances 0.000 claims abstract description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
- 230000007797 corrosion Effects 0.000 claims abstract description 15
- 238000005260 corrosion Methods 0.000 claims abstract description 15
- 229920000098 polyolefin Polymers 0.000 claims abstract description 15
- 239000002131 composite material Substances 0.000 claims abstract description 14
- 229920005989 resin Polymers 0.000 claims abstract description 14
- 239000011347 resin Substances 0.000 claims abstract description 14
- 229920001187 thermosetting polymer Polymers 0.000 claims abstract description 14
- 230000000903 blocking effect Effects 0.000 claims abstract description 13
- 239000000945 filler Substances 0.000 claims abstract description 11
- 229920002943 EPDM rubber Polymers 0.000 claims abstract description 9
- 238000002955 isolation Methods 0.000 claims abstract description 9
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 8
- 239000010959 steel Substances 0.000 claims abstract description 8
- 239000003292 glue Substances 0.000 claims abstract description 5
- 229920005992 thermoplastic resin Polymers 0.000 claims abstract description 5
- 230000017525 heat dissipation Effects 0.000 claims description 18
- 239000004744 fabric Substances 0.000 claims description 10
- 239000003365 glass fiber Substances 0.000 claims description 10
- 239000004020 conductor Substances 0.000 claims description 9
- 239000004745 nonwoven fabric Substances 0.000 claims description 9
- 238000001723 curing Methods 0.000 claims description 8
- 239000000835 fiber Substances 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 7
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 5
- 239000000741 silica gel Substances 0.000 claims description 5
- 229910002027 silica gel Inorganic materials 0.000 claims description 5
- 239000004952 Polyamide Substances 0.000 claims description 4
- 229920002647 polyamide Polymers 0.000 claims description 4
- 229920002379 silicone rubber Polymers 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 239000011888 foil Substances 0.000 claims description 3
- 239000004519 grease Substances 0.000 claims description 3
- 229920001296 polysiloxane Polymers 0.000 claims description 3
- 238000003848 UV Light-Curing Methods 0.000 claims description 2
- 239000000853 adhesive Substances 0.000 claims description 2
- 230000001070 adhesive effect Effects 0.000 claims description 2
- 230000032683 aging Effects 0.000 abstract description 13
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 230000003014 reinforcing effect Effects 0.000 abstract description 2
- 238000009413 insulation Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 230000005684 electric field Effects 0.000 description 3
- 239000012466 permeate Substances 0.000 description 3
- 230000004224 protection Effects 0.000 description 3
- 241001391944 Commicarpus scandens Species 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 2
- 240000005572 Syzygium cordatum Species 0.000 description 2
- 235000006650 Syzygium cordatum Nutrition 0.000 description 2
- 230000006750 UV protection Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000004132 cross linking Methods 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 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 description 1
- 230000009471 action Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 239000000126 substance 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
Landscapes
- Insulated Conductors (AREA)
Abstract
The utility model discloses a copper core crosslinked polyethylene insulating rubber sheath power cable, which comprises a cable core, wherein the cable core is formed by twisting a plurality of insulating wire cores, a gap of the cable core is filled with ceramic polyolefin filler first and then is filled with curing glue to form a curing filler, a thermosetting resin layer is extruded outside the cable core, and a plurality of round thermoplastic resin reinforcing cores are embedded in the thermosetting resin layer; the left-hand wrapping ceramic fireproof composite belt outside the thermosetting resin layer, the right-hand wrapping nano insulating water blocking belt outside the fireproof belt, the ceramic polyolefin isolation sleeve outside the nano insulating water blocking belt, the steel tape armor layer outside the ceramic polyolefin isolation sleeve, and the ethylene propylene diene monomer outer sheath outside the steel tape armor layer. The cable has the characteristics of excellent fire resistance, high strength, corrosion resistance, water resistance, ageing resistance and the like, so that the service life of the cable is greatly prolonged.
Description
Technical Field
The utility model relates to the field of wires and cables, in particular to a copper core crosslinked polyethylene insulating rubber sheath power cable.
Background
Along with the continuous promotion of industrialization and urbanization processes, the continuous improvement of renewable energy power generation, the reconstruction and expansion of power transmission and distribution systems and the supporting policy of governments are main factors for promoting the stable growth of the demand of medium voltage cables worldwide.
The construction of the power distribution system is realized by applying a large number of medium-voltage power cables, the cable has good insulation performance, the power supply reliability can be improved, the urban capacity is beautified, and the popularization and application value is higher; however, the cable now has the problem:
firstly, the water blocking of the cable is a primary factor influencing the safety performance of the cable, once water vapor enters the cable, insulating crosslinked polyethylene of the cable is extremely easy to generate a water tree, and the service life of the cable is greatly reduced; the common cable has common ageing resistance, poor corrosion resistance and short service life; in addition, in the cable construction process, water vapor easily permeates into the cable due to weather and other reasons, water tree aging phenomenon can occur under the action of an electric field, cable insulation is damaged, and even the cable is broken down, so that potential hidden danger affecting the safe operation of the cable is formed;
secondly, the cable is sometimes required to be laid in a cable well in the laying process, and when the cable is pulled by a large force or manually trampled, the cable is easy to break or open a conductor, so that the use of the cable is influenced;
thirdly, the fire resistance of the cable is poor, and under the condition of fire, the cable is easy to burn out, so that the equipment cannot work normally;
fourthly, in the automatic manufacturing process of the cable, the existing shielding belt is easy to break due to the adoption of automatic winding, and the breaking phenomenon is caused by insufficient tensile strength of the shielding belt.
In view of the foregoing, there is a need to develop a copper core crosslinked polyethylene insulation rubber jacketed power cable that solves the above-mentioned problems.
Disclosure of Invention
In order to overcome the defects in the prior art, the copper core crosslinked polyethylene insulating rubber sheath power cable with excellent fireproof, high-strength, corrosion-resistant, waterproof, ageing-resistant and other characteristics is provided.
In order to achieve the above purpose, the utility model provides a copper core crosslinked polyethylene insulating rubber sheath power cable, which comprises a cable core, wherein the cable core is formed by twisting a plurality of insulating wire cores, ceramic polyolefin filler is filled in gaps of the cable core, a thermosetting resin layer is extruded outside the cable core, and a plurality of round thermoplastic resin reinforcing cores are embedded in the thermosetting resin layer; the left-hand wrapping ceramic fireproof composite belt outside the thermosetting resin layer, the right-hand wrapping nano insulating water blocking belt outside the fireproof belt, the ceramic polyolefin isolation sleeve outside the nano insulating water blocking belt, the steel tape armor layer outside the ceramic polyolefin isolation sleeve, and the ethylene propylene diene monomer outer sheath outside the steel tape armor layer.
Preferably, a stainless steel wire mesh grid is arranged in the ethylene propylene diene monomer outer sheath.
Preferably, the insulated wire core is composed of a tinned copper conductor, a crosslinked polyethylene insulating layer extruded outside the tinned copper conductor and a tensile metal shielding tape wrapped outside the crosslinked polyethylene insulating layer.
Preferably, the tensile metal shielding belt comprises a base belt, a heat dissipation layer arranged on the upper surface of the base belt and a shielding layer which is in composite connection with the upper surface of the heat dissipation layer, wherein a plurality of shielding holes are uniformly distributed on the surface of the shielding layer and are communicated to the heat dissipation layer.
Preferably, the base tape is made of a woven web of filaments and a UV-curable glue impregnating the entire woven web of filaments.
Preferably, the heat dissipation layer is a heat dissipation silicone grease sheet.
Preferably, the shielding layer is aluminum foil.
Preferably, the ceramic fireproof composite belt comprises a middle fireproof glass fiber cloth, wherein one side of the fireproof glass fiber cloth is compounded with a polyamide corrosion-resistant layer, and the other side of the fireproof glass fiber cloth is compounded with a ceramic silicon rubber layer.
Preferably, the nano-insulation water-blocking tape comprises a non-woven fabric woven by SAF fibers, and nano-scale silica gel is sprayed on the surface of the non-woven fabric.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the gaps of the cable core are filled with the ceramic polyolefin filler first and then the curing glue is injected to form the curing filler, the thermosetting resin layer is extruded outside the cable core after curing, and a net structure is formed due to intermolecular crosslinking, so that the cable core is more round, has the advantages of high strength, good heat resistance, excellent electrical performance, corrosion resistance, aging resistance, good stability and the like, and can better protect the cable core and work more stably.
2. The utility model embeds a plurality of round thermoplastic resin reinforced cores in the thermosetting resin layer, prevents the cable cores from being extruded and deformed, and combines with the cured filler structure, thereby solving the problems that the cable is not broken or broken when the cable is pulled by a large force or is manually trampled in the laying process, and the use of the cable is affected.
3. The utility model adopts the ceramic polyolefin filler and the ceramic polyolefin isolating sleeve inside and outside, can effectively isolate the damage of high-temperature flame to the inside of the circuit, delay the decomposition of internal materials, avoid the fusing of conductors in the flame and ensure the smoothness of the circuit under the condition of fire.
4. The ethylene propylene diene monomer outer sheath is adopted, so that the cable has excellent ageing resistance, such as ozone resistance, sunlight resistance, heat resistance, water vapor resistance, ultraviolet resistance, radiation resistance and the like, can keep stability in a high-temperature environment, effectively prevent flame from spreading and resist external environment corrosion.
5. In order to increase the tensile property of the cable, the ethylene propylene diene monomer outer sheath is internally provided with a stainless steel wire woven mesh, so that the tensile property of the outer sheath is further enhanced, and the quality and stability of the cable are further improved.
6. Adopt tensile metal shielding area in the sinle silk, set up the heat dissipation layer on the shielding layer and be used for heat transfer and dissipation, be used for shielding interfering signal at the cooperation shielding hole simultaneously, and in use, set up the cellosilk mesh grid in the baseband, whole tensile strength is high, and the durability is strong, excellent in use effect is fit for using on automated production cable, prevents to appear the fracture phenomenon to better protection sinle silk, life is longer.
7. Adopt ceramic fire prevention composite tape for cable fire prevention, high strength, corrosion-resistant collect in an organic whole, still have excellent elasticity, pliability, no steamed low cigarette, environmental protection and ageing resistance.
8. The nanometer insulating water blocking tape is adopted, and the water absorption capacity is 200 times (within 5 seconds) of that of the nanometer insulating water blocking tape; the nano-scale silica gel is sprayed on the surface of the non-woven fabric, so that the non-bonding at 360 ℃ within 10 seconds, the non-bonding at 250 ℃ within 20 seconds and the non-bonding at 260 ℃ within 40 seconds can be achieved, the problems that various cables are not bonded in the manufacturing extrusion molding process, the water blocking tape and the insulating layer of the sheath are convenient to recover and classify the cables in the future, the environment is protected, the cable core current can generate a strong electric field during operation of the power cable, if moisture permeates the insulating layer to form water branches, discharge is generated inside the insulating layer, and even the cable is broken down are solved.
In summary, through optimizing the cable structure, each performance of the cable is further improved, and the cable has the characteristics of excellent fire resistance, high strength, corrosion resistance, water resistance, ageing resistance and the like, so that the service life of the cable is greatly prolonged.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a cross-sectional view of the structure of the present utility model;
FIG. 3 is a schematic structural view of a tensile metallic shielding tape;
fig. 4 is a schematic structural diagram of a base band;
FIG. 5 is a schematic structural view of a ceramic fire-resistant composite tape;
fig. 6 is a schematic structural view of a nano-insulation water-blocking tape.
Detailed Description
The present utility model is further illustrated in the accompanying drawings and detailed description which are to be understood as being merely illustrative of the utility model and not limiting of its scope, and various modifications of the utility model, which are equivalent to those skilled in the art upon reading the utility model, will fall within the scope of the utility model as defined in the appended claims.
As shown in fig. 1-2, the utility model provides a copper core crosslinked polyethylene insulating rubber sheath power cable, which comprises an insulating wire core, a cable core and a cable core, wherein the insulating wire core is composed of a tinned copper conductor 1, a crosslinked polyethylene insulating layer 2 extruded outside the tinned copper conductor, and a tensile metal shielding tape 3 wrapped outside the crosslinked polyethylene insulating layer;
the cable core is twisted into a cable core, the gaps of the cable core are filled with ceramic polyolefin filler first and then filled with curing glue to form a curing filler 4, a thermosetting resin layer 5 is extruded outside the cable core, after curing, a reticular structure is formed due to intermolecular crosslinking, the cable core is more round and round due to high strength, good heat resistance, excellent electrical performance, corrosion resistance, aging resistance, good stability and the like, the cable core is better protected, and the cable core is more stable in work;
a plurality of round thermoplastic resin reinforced cores 6 are embedded in the thermosetting resin layer, so that the cable cores are prevented from being extruded and deformed, and the cable is not broken or broken when the cable is pulled by a large force or manually trampled in the laying process, so that the use of the cable is not affected; the ceramic fireproof composite belt 7 is wrapped left outside the thermosetting resin layer, the nano insulating water blocking belt 8 is wrapped right outside the fireproof belt, and the ceramic polyolefin isolation sleeve 9 is extruded outside the nano insulating water blocking belt, so that the ceramic fireproof composite belt has excellent electric isolation performance, has excellent oxygen and heat insulation effects, can effectively isolate the invasion of high-temperature flame to the inside of a circuit, delays the decomposition of internal materials, avoids the fusing of conductors in the flame, and ensures the smoothness of the circuit under the condition of fire; the steel tape armor layer 10 is wrapped outside the ceramic polyolefin isolation sleeve, and the ethylene propylene diene monomer rubber outer sheath 11 is extruded outside the steel tape armor layer, so that the cable has excellent ageing resistance, ozone resistance, sunlight resistance, heat resistance, water vapor resistance, ultraviolet resistance, radiation resistance and other ageing resistance, can keep stability in a high-temperature environment, effectively prevent flame propagation and resist external environment corrosion;
in order to increase the tensile property of the cable, the ethylene propylene diene monomer outer sheath 11 is internally provided with a stainless steel wire woven net 12, so that the tensile property of the outer sheath is further enhanced, and the quality and stability of the cable are further improved.
As shown in fig. 3-4, the tensile metal shielding tape 3 comprises a base tape 31, a heat dissipation layer 32 arranged on the upper surface of the base tape, and a shielding layer 33 compositely connected to the upper surface of the heat dissipation layer, wherein a plurality of shielding holes 331 are uniformly distributed on the surface of the shielding layer and are communicated with the heat dissipation layer; wherein, the base band 31 is formed by a fiber yarn woven net 311 and a UV curing adhesive 312 which impregnates the whole fiber yarn woven net; the heat dissipation layer is a heat dissipation silicone grease sheet, and the shielding layer is aluminum foil; the shielding layer is provided with the heat dissipation layer for heat transfer and heat dissipation, and is used for shielding interference signals in cooperation with the shielding holes, and in use, the base band is provided with the fiber woven mesh, so that the shielding layer is high in overall tensile strength, strong in durability and good in use effect, is suitable for being used on an automatic production cable, prevents the occurrence of fracture phenomenon, and accordingly protects the cable core better and is longer in service life.
As shown in fig. 5, the ceramic fireproof composite belt 7 comprises a middle fireproof glass fiber cloth 71, a polyamide corrosion-resistant layer 72 is compounded on one side of the fireproof glass fiber cloth, and a ceramic silicon rubber layer 73 is compounded on the other side of the fireproof glass fiber cloth, so that a hard microporous ceramic structure can be formed in high temperature or flame, and the ceramic fireproof composite belt has excellent fireproof, heat-insulating and other characteristics, and in addition, the fireproof glass fiber cloth greatly improves the mechanical properties of the ceramic silicon rubber, has flame retardant performance, and the polyamide corrosion-resistant layer has high wear resistance and strong chemical resistance; the adoption of the ceramic fireproof composite belt enables the cable to be fireproof, high in strength and corrosion-resistant, integrates the functions of excellent elasticity, flexibility, halogen-free low smoke, environmental protection and ageing resistance.
As shown in fig. 6, the nano-insulation water-blocking tape 8 comprises a non-woven fabric 81 woven by SAF fibers, nano-scale silica gel 82 is sprayed on the surface of the non-woven fabric, and the water-blocking tape has a water absorption capacity which is 200 times (within 5 seconds) that of the non-woven fabric; the nano-scale silica gel is sprayed on the surface of the non-woven fabric, so that the non-bonding at 360 ℃ within 10 seconds, the non-bonding at 250 ℃ within 20 seconds and the non-bonding at 260 ℃ within 40 seconds can be achieved, the problems that various cables are not bonded in the manufacturing extrusion molding process, the water blocking tape and the insulating layer of the sheath are convenient to recover and classify the cables in the future, the environment is protected, the cable core current can generate a strong electric field during operation of the power cable, if moisture permeates the insulating layer to form water branches, discharge is generated inside the insulating layer, and even the cable is broken down are solved.
In summary, through optimizing the cable structure, each performance of the cable is further improved, and the cable has the characteristics of excellent fire resistance, high strength, corrosion resistance, water resistance, ageing resistance and the like, so that the service life of the cable is greatly prolonged.
The foregoing is merely a preferred embodiment of the present utility model and it should be noted that variations and modifications could be made by those skilled in the art without departing from the principles of the present utility model, which would also be considered to fall within the scope of the utility model.
Claims (9)
1. The utility model provides a copper core crosslinked polyethylene insulating rubber sheath power cable, includes cable core, its characterized in that: the cable core is formed by twisting a plurality of insulating wire cores, a gap of the cable core is filled with ceramic polyolefin filler first and then is filled with curing glue to form a curing filler, a thermosetting resin layer is extruded outside the cable core, and a plurality of round thermoplastic resin reinforced cores are embedded in the thermosetting resin layer; the left-hand wrapping ceramic fireproof composite belt outside the thermosetting resin layer, the right-hand wrapping nano insulating water blocking belt outside the fireproof belt, the ceramic polyolefin isolation sleeve outside the nano insulating water blocking belt, the steel tape armor layer outside the ceramic polyolefin isolation sleeve, and the ethylene propylene diene monomer outer sheath outside the steel tape armor layer.
2. The copper core crosslinked polyethylene insulated rubber jacketed power cable of claim 1, wherein: the ethylene propylene diene monomer outer sheath is internally provided with a stainless steel wire woven mesh.
3. The copper core crosslinked polyethylene insulated rubber jacketed power cable of claim 1, wherein: the insulated wire core is composed of a tinned copper conductor, a crosslinked polyethylene insulating layer extruded outside the tinned copper conductor and a tensile metal shielding tape wrapped outside the crosslinked polyethylene insulating layer.
4. A copper core crosslinked polyethylene insulated rubber jacketed power cable according to claim 3, wherein: the tensile metal shielding belt comprises a base belt, a heat dissipation layer arranged on the upper surface of the base belt and a shielding layer which is in composite connection with the upper surface of the heat dissipation layer, wherein a plurality of shielding holes are uniformly distributed on the surface of the shielding layer and are communicated with the heat dissipation layer.
5. The copper core crosslinked polyethylene insulated rubber jacketed power cable of claim 4, wherein: the base band is formed by a fiber yarn woven net and UV curing adhesive which impregnates the whole fiber yarn woven net.
6. The copper core crosslinked polyethylene insulated rubber jacketed power cable of claim 4, wherein: the heat dissipation layer is a heat dissipation silicone grease sheet.
7. The copper core crosslinked polyethylene insulated rubber jacketed power cable of claim 4, wherein: the shielding layer is aluminum foil.
8. The copper core crosslinked polyethylene insulated rubber jacketed power cable of claim 1, wherein: the ceramic fireproof composite belt comprises a middle fireproof glass fiber cloth, wherein one side of the fireproof glass fiber cloth is compounded with a polyamide corrosion-resistant layer, and the other side of the fireproof glass fiber cloth is compounded with a ceramic silicon rubber layer.
9. The copper core crosslinked polyethylene insulated rubber jacketed power cable of claim 1, wherein: the nanometer insulating water-blocking tape comprises non-woven fabrics woven by SAF fibers, and nanometer silica gel is sprayed on the surfaces of the non-woven fabrics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322064338.0U CN220672281U (en) | 2023-08-02 | 2023-08-02 | Copper core crosslinked polyethylene insulating rubber sheath power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322064338.0U CN220672281U (en) | 2023-08-02 | 2023-08-02 | Copper core crosslinked polyethylene insulating rubber sheath power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220672281U true CN220672281U (en) | 2024-03-26 |
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ID=90339798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322064338.0U Active CN220672281U (en) | 2023-08-02 | 2023-08-02 | Copper core crosslinked polyethylene insulating rubber sheath power cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220672281U (en) |
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2023
- 2023-08-02 CN CN202322064338.0U patent/CN220672281U/en active Active
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