CN113066614A - Medium-voltage corrugated aluminum sleeve armored power cable - Google Patents
Medium-voltage corrugated aluminum sleeve armored power cable Download PDFInfo
- Publication number
- CN113066614A CN113066614A CN202110168548.7A CN202110168548A CN113066614A CN 113066614 A CN113066614 A CN 113066614A CN 202110168548 A CN202110168548 A CN 202110168548A CN 113066614 A CN113066614 A CN 113066614A
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- wire core
- power cable
- corrugated
- aluminium
- semiconductive
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- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 50
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 50
- 239000004020 conductor Substances 0.000 claims abstract description 19
- 239000000463 material Substances 0.000 claims description 15
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 14
- 229910052802 copper Inorganic materials 0.000 claims description 14
- 239000010949 copper Substances 0.000 claims description 14
- 239000004411 aluminium Substances 0.000 claims 11
- 230000037303 wrinkles Effects 0.000 claims 1
- 239000000945 filler Substances 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 37
- 239000003063 flame retardant Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 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 5
- 238000009413 insulation Methods 0.000 description 4
- 239000000779 smoke Substances 0.000 description 4
- 230000002265 prevention Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 229910052736 halogen Inorganic materials 0.000 description 2
- 150000002367 halogens Chemical class 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000004718 silane crosslinked polyethylene Substances 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 206010000369 Accident Diseases 0.000 description 1
- 208000025274 Lightning injury Diseases 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 231100000053 low toxicity Toxicity 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 231100000956 nontoxicity Toxicity 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
- 239000003440 toxic substance Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
- H01B7/282—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable
- H01B7/2825—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable using a water impermeable sheath
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
- H01B9/02—Power cables with screens or conductive layers, e.g. for avoiding large potential gradients
-
- 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 invention relates to a medium-voltage corrugated aluminum sleeve armored power cable, which comprises a plurality of compressed conductors, wherein a semiconductive inner shielding layer is extruded on the surface of each compressed conductor, an insulating layer is extruded on the surface of the semiconductive inner shielding layer, a semiconductive outer shielding layer is extruded on the surface of the insulating layer, a filler is added in a gap part of each compressed conductor after three wire cores of a red wire core, a green wire core and a yellow wire core are twisted, a semiconductive slow-release layer is wound on each twisted wire core, the surfaces of the semiconductive slow-release layers are welded, and corrugated cable corrugated aluminum sleeves are extruded on the surfaces of the corrugated aluminum sleeves.
Description
Technical Field
The invention belongs to the technical field of cables, and particularly relates to a medium-voltage corrugated aluminum-sheathed armored power cable.
Background
Along with the frequent occurrence of fire accidents, people continuously deepen the understanding of the fire hazard risk of the electric wire and the electric cable, and the requirements of relevant departments on the performances of fire prevention, flame retardance and the like of the electric wire and the electric cable are higher and higher. The cable fire disaster has the characteristics of fast spread, difficult fire fighting, secondary hazard generation, long recovery time and the like, and can bring huge loss to national economy and the lives and properties of people. Therefore, more severe operating conditions are provided for the flame retardant property, the fireproof property and the safety and reliability of the wires and cables. If the fire-fighting elevator and the fire pump are in fire prevention, explosion prevention, strong overload capacity and long service life, the fire-fighting elevator and the fire pump need to be kept in normal operation for a certain time under the condition of fire, and the cable has special requirements of low smoke, low halogen and low toxicity after combustion, even no smoke, no halogen, no toxicity and the like. The fire-retardant and fire-proof measures of the cable are important means for reducing the fire delay of the cable, and the key point is that the fire-retardant and fire-proof measures are mainly used for preventing fire, and various fire-retardant cables, fire-resistant cables and fire-proof cables are widely applied.
The existing cable fireproof material structure is generally a single-layer structure, the physical impact resistance protection level is low, the function is single, meanwhile, the fireproof capacity of the material is poor, the material cannot resist fire for a long time, the heat insulation performance is poor under the condition that a burning object exists in the surrounding environment, the high-temperature protection effect cannot be achieved, and the cable is damaged to cause danger.
Most of common flame-retardant environment-friendly cables in the market are cables which are insulated by adopting silane crosslinked polyethylene, filled by adopting glass fiber ropes and other similar materials, and sheathed by adopting halogen-free low-smoke flame-retardant polyolefin, and the cables mainly meet the requirement of environmental protection by adopting halogen-free low-smoke materials. However, in the actual production process, since the insulation adopts silane crosslinked polyethylene which is a flammable material, although the flame-retardant material is adopted outside, when a fire disaster occurs in the use process, after the external flame-retardant material burns, the cable insulation can be molten, dropped and burnt, and the safety and reliability of the line can not be ensured; and most of the existing cables are made of materials which generate toxic gases and substances after combustion, so that the cables are not environment-friendly and harm the personal safety.
In view of the above technical problems, improvements are needed.
Disclosure of Invention
The invention provides a medium-voltage corrugated aluminum sheath armored power cable for overcoming the defects in the prior art, which is suitable for power frequency rated voltage of 3.6/6 KV-26/35 KV power transmission and distribution lines for distributing electric energy.
In order to achieve the above purposes, the technical scheme adopted by the invention is as follows: a medium-voltage corrugated aluminum sheath armored power cable comprises a plurality of strands of compressed conductors, wherein the surfaces of the plurality of strands of compressed conductors are extruded with a semiconductive inner shielding layer, the surface of the semiconductive inner shielding layer is extruded with an insulating layer, the surface of the insulating layer is extruded with a semiconductive outer shielding layer, and red color bands are added to the surface of the semiconductive outer shielding layer and then wrapped with a copper strip to form a red wire core; after a green colored tape is added on the surface of the semi-conductive outer shielding layer, a green wire core is formed by wrapping a copper strip; after a yellow colored tape is added on the surface of the semi-conductive outer shielding layer, a yellow wire core is formed by wrapping a copper strip; after the red wire core, the green wire core and the yellow wire core are twisted, filling materials are added to gaps of the red wire core, the green wire core and the yellow wire core, a semi-conductive slow release layer is wrapped on the twisted wire cores, a corrugated aluminum sleeve of the cable is welded and embossed on the surface of the semi-conductive slow release layer, and a PVC sheath of the cable is extruded on the surface of the corrugated aluminum sleeve of the cable.
As a preferable aspect of the present invention, the number of the compressed conductors is 3.
As a preferred aspect of the present invention, the compacted conductor is copper or aluminum.
As a preferable scheme of the invention, the corrugated aluminum sheath for the cable is made of aluminum material with the purity of not less than 99.6 percent.
As a preferred aspect of the present invention, the elongation of the aluminum strip of the corrugated aluminum sheath of the cable should be not less than 16%.
In a preferable embodiment of the invention, the outer diameter of the compacted conductor is 6.0-29.8 mm.
In a preferred embodiment of the present invention, the thickness of the semiconductive inner shield layer is 0.7 mm.
In a preferred embodiment of the present invention, the thickness of the insulating layer is 2.5 to 10.5 mm.
As a preferable scheme of the invention, the thickness of the semiconductive outer shielding layer is 0.7-0.8 mm.
As a preferable scheme of the invention, the thickness of the PVC sheath of the cable is 2.4-5.1 mm.
The invention has the beneficial effects that:
1. the invention has simple structure and ingenious design, is generally buried in soil or laid in indoor, outdoor, cable trench, pipeline trench, underground soil or tunnel, and can bear the action of mechanical external force;
2. the invention can be laid in the area with high requirement on water resistance and high underground water level throughout the year, and can be prevented from being invaded by external impurities and moisture and prevent the power cable from being directly damaged by external force;
3. the invention has high reliability, little influence by weather conditions and surrounding environment and stable transmission performance;
4. the invention has less maintenance workload;
5. the invention has small electric shock possibility and is not easy to be interfered;
6. the invention can replace steel strip armored cables, waterproof cables and the like;
7. the invention has the characteristics of stronger electromagnetic interference resistance, lightning stroke resistance and uniform electric field, improves the power supply quality, and is particularly suitable for places with precise electronic devices, such as computer centers, aerospace monitoring centers, intelligent buildings and the like.
Drawings
Fig. 1 is a side view of a medium voltage corrugated aluminum sheath armored power cable according to an embodiment of the present invention.
Fig. 2 is a cross-sectional view of a medium voltage corrugated aluminum sheath armored power cable according to an embodiment of the present invention.
Reference numbers in the figures: the compact type cable comprises a compact conductor 1, a semi-conductive inner shielding layer 2, an insulating layer 3, a semi-conductive outer shielding layer 4, a copper strip 5, a filling material 6, a semi-conductive slow release layer 7, a cable corrugated aluminum sleeve 8, a cable PVC sheath 9, a red color band 11, a green color band 12 and a yellow color band 13.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The first embodiment is as follows:
as shown in fig. 1-2, the present embodiment provides a medium-voltage corrugated aluminum-sheathed armored power cable, which includes a plurality of compressed conductors 1, wherein the number of compressed conductors 1 is 3, and the compressed conductors 1 are made of copper or aluminum; the surface of a plurality of strands of compressed conductors 1 is extruded with a semi-conductive inner shielding layer 2, the surface of the semi-conductive inner shielding layer 2 is extruded with an insulating layer 3, the surface of the insulating layer 3 is extruded with a semi-conductive outer shielding layer 4, and a red color ribbon 11 is added on the surface of the semi-conductive outer shielding layer 4 to form a red wire core on a wrapped copper strip 5; after a green color band 12 is added on the surface of the semi-conductive outer shielding layer 4, a green wire core is formed by wrapping a copper strip 5; a yellow color ribbon 13 is added on the surface of the semi-conductive outer shielding layer 4, and then a yellow wire core is formed by wrapping the copper strip 5; the red wire core, the green wire core and the yellow wire core are twisted, the filler 6 is added to the non-round part to round the non-round part, then the semi-conductive slow release layer 7 is wrapped on the twisted wire core, the surface of the semi-conductive slow release layer 7 is welded and the corrugated cable aluminum sleeve 8 is crimped, and the cable PVC sheath 9 is extruded on the surface of the corrugated cable aluminum sleeve 8.
Wherein, the filling material 6 is a filling rope which is added for filling a cable into a circle, and the insulating layer 3 is polyethylene insulation;
specifically, the thickness of the semiconductive slow release layer 7 can meet the requirement of compensating thermal expansion in the operation of the cable;
the semi-conductive slow release layer 7 is made of elastic materials and is tightly and smoothly wrapped; the semiconductive slow release layer 7 should keep the insulating semiconductive shielding layer in good electrical contact with the metal shielding layer.
The material requirements of the corrugated aluminum sheath 8 of the cable are as follows: the corrugated aluminum sheath of the cable is made of aluminum with the purity not less than 99.6 percent: the elongation of the aluminum strip should be not less than 16%; the corrugated aluminum sheath of the cable has the functions of protecting the power cable from the invasion of external impurities and moisture and preventing external force from directly damaging the power cable.
1. Corrugated aluminum sheath armored power cable process meter with rated voltage of 3.6/6KV
Example two:
a corrugated aluminum sheath armored power cable process meter with rated voltage of 6/6KV and 6/10 KV;
other contents in this embodiment can refer to embodiment one.
Example three:
a corrugated aluminum sheath armored power cable process meter with rated voltage of 8.7/10KV and rated voltage of 8.7/15 KV;
other contents in this embodiment may refer to the first embodiment or the second embodiment.
Example four:
a corrugated aluminum sleeve armored power cable process meter with the rated voltage of 12/20 KV;
other contents in this embodiment may refer to embodiment one, embodiment two, or embodiment three.
Example five: a corrugated aluminum sleeve armored power cable process meter with the rated voltage of 18/30 KV;
other contents in this embodiment may refer to embodiment one, embodiment two, embodiment three, or embodiment four.
Example six:
a corrugated aluminum sleeve armored power cable process meter with the rated voltage of 21/35 KV;
other contents in this embodiment may refer to embodiment one, embodiment two, embodiment three, embodiment four, or embodiment five.
Example seven:
a corrugated aluminum sleeve armored power cable process meter with the rated voltage of 26/35 KV;
other contents in this embodiment may refer to embodiment one, embodiment two, embodiment three, embodiment four, embodiment five, or embodiment six.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention; thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Although the reference numerals in the figures are used more here: the terms of the compressed conductor 1, the semiconductive inner shield layer 2, the insulating layer 3, the semiconductive outer shield layer 4, the copper strip 5, the filler 6, the semiconductive slow-release layer 7, the corrugated aluminum sheath 8 of the cable, the PVC sheath 9 of the cable, the red color band 11, the green color band 12, the yellow color band 13, etc., do not exclude the possibility of using other terms. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.
Claims (10)
1. The utility model provides a middling pressure wrinkle aluminium cover armoured power cable which characterized in that: the cable comprises a plurality of compressed conductors (1), a semiconductive inner shielding layer (2) is extruded on the surface of each compressed conductor (1), an insulating layer (3) is extruded on the surface of the semiconductive inner shielding layer (2), a semiconductive outer shielding layer (4) is extruded on the surface of the insulating layer (3), and a red color ribbon (11) is added on the surface of the semiconductive outer shielding layer (4) and then a red wire core is formed by wrapping a copper strip (5); a green color ribbon (12) is added on the surface of the semi-conductive outer shielding layer (4) and then a green wire core is formed by wrapping a copper strip (5); a yellow color ribbon (13) is added on the surface of the semi-conductive outer shielding layer (4) and then a yellow wire core is formed by wrapping a copper strip (5); after the red wire core, the green wire core and the yellow wire core are twisted, a filling material (6) is added in the gap position of the red wire core, the green wire core and the yellow wire core, a semi-conductive slow release layer (7) is wrapped on the twisted wire core, the surface of the semi-conductive slow release layer (7) is welded and is provided with a corrugated cable aluminum sleeve (8), and the surface of the corrugated cable aluminum sleeve (8) is extruded and provided with a cable PVC sheath (9).
2. A medium voltage corrugated aluminium jacketed armoured power cable according to claim 1 characterized in that the number of compressed conductors (1) is 3 strands.
3. A medium voltage corrugated aluminium jacketed armoured power cable according to claim 1 or 2 characterized in that the compacted conductor (1) is copper or aluminium.
4. A medium voltage corrugated aluminium sheathed armoured power cable according to claim 1 characterized in that the cable corrugated aluminium sheath (8) is made of aluminium having a purity of not less than 99.6%.
5. A medium voltage corrugated aluminium sheathed armoured power cable according to claim 4 characterized in that the aluminium strip of the corrugated aluminium sheath (8) of the cable should have an elongation not less than 16%.
6. The medium voltage corrugated aluminum jacketed armored power cable according to claim 1, wherein the outer diameter of the compressed conductor (1) is 6.0-29.8 mm.
7. A medium voltage corrugated aluminium sheathed armoured power cable according to claim 1 characterized in that the thickness of the semi-conductive inner shield layer (2) is 0.7 mm.
8. The medium voltage corrugated aluminum sheathed armored power cable according to claim 1, wherein the thickness of the insulating layer (3) is 2.5-10.5 mm.
9. The medium voltage corrugated aluminum sheathed armored power cable according to claim 1, wherein the thickness of the semiconductive outer shield layer (4) is 0.7-0.8 mm.
10. The medium voltage corrugated aluminum sheathed armored power cable according to claim 1, wherein the thickness of the PVC sheath (9) of the cable is 2.4-5.1 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110168548.7A CN113066614A (en) | 2021-02-07 | 2021-02-07 | Medium-voltage corrugated aluminum sleeve armored power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110168548.7A CN113066614A (en) | 2021-02-07 | 2021-02-07 | Medium-voltage corrugated aluminum sleeve armored power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113066614A true CN113066614A (en) | 2021-07-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110168548.7A Pending CN113066614A (en) | 2021-02-07 | 2021-02-07 | Medium-voltage corrugated aluminum sleeve armored power cable |
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| Country | Link |
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| CN (1) | CN113066614A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114758828A (en) * | 2022-05-17 | 2022-07-15 | 浙江晨光电缆股份有限公司 | Low-voltage corrugated aluminum-sheathed power cable and manufacturing method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102969069A (en) * | 2012-12-10 | 2013-03-13 | 南洋电缆集团有限公司 | Waterproof greasy-dirt-resisting 10 kV middle-voltage transducer cable and method |
| CN205211465U (en) * | 2015-11-23 | 2016-05-04 | 四川明星电缆股份有限公司 | Insulating welding corrugated aluminium sheath polymer sheath power cable of middling pressure crosslinked polyethylene |
| CN209912603U (en) * | 2019-06-04 | 2020-01-07 | 江苏上上电缆集团有限公司 | Environment-friendly flame-retardant fire-resistant medium-voltage power cable |
-
2021
- 2021-02-07 CN CN202110168548.7A patent/CN113066614A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102969069A (en) * | 2012-12-10 | 2013-03-13 | 南洋电缆集团有限公司 | Waterproof greasy-dirt-resisting 10 kV middle-voltage transducer cable and method |
| CN205211465U (en) * | 2015-11-23 | 2016-05-04 | 四川明星电缆股份有限公司 | Insulating welding corrugated aluminium sheath polymer sheath power cable of middling pressure crosslinked polyethylene |
| CN209912603U (en) * | 2019-06-04 | 2020-01-07 | 江苏上上电缆集团有限公司 | Environment-friendly flame-retardant fire-resistant medium-voltage power cable |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114758828A (en) * | 2022-05-17 | 2022-07-15 | 浙江晨光电缆股份有限公司 | Low-voltage corrugated aluminum-sheathed power cable and manufacturing method thereof |
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Application publication date: 20210702 |