CN210223599U - Intelligent moisture-proof cable - Google Patents
Intelligent moisture-proof cable Download PDFInfo
- Publication number
- CN210223599U CN210223599U CN201921382595.6U CN201921382595U CN210223599U CN 210223599 U CN210223599 U CN 210223599U CN 201921382595 U CN201921382595 U CN 201921382595U CN 210223599 U CN210223599 U CN 210223599U
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- Prior art keywords
- layer
- insulating
- moisture
- conductor
- arranged outside
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- 239000004020 conductor Substances 0.000 claims abstract description 28
- 238000009413 insulation Methods 0.000 claims abstract description 17
- 239000010410 layer Substances 0.000 claims description 105
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 27
- 229910052751 metal Inorganic materials 0.000 claims description 22
- 239000002184 metal Substances 0.000 claims description 22
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 10
- 229910052802 copper Inorganic materials 0.000 claims description 10
- 239000010949 copper Substances 0.000 claims description 10
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 8
- 230000000903 blocking effect Effects 0.000 claims description 6
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 4
- 229920000092 linear low density polyethylene Polymers 0.000 claims description 4
- 239000004707 linear low-density polyethylene Substances 0.000 claims description 4
- 229920001179 medium density polyethylene Polymers 0.000 claims description 4
- 239000004701 medium-density polyethylene Substances 0.000 claims description 4
- 229920000642 polymer Polymers 0.000 claims description 4
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 2
- 229910001335 Galvanized steel Inorganic materials 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 238000004132 cross linking Methods 0.000 claims description 2
- 229920003020 cross-linked polyethylene Polymers 0.000 claims description 2
- 239000004703 cross-linked polyethylene Substances 0.000 claims description 2
- 239000008397 galvanized steel Substances 0.000 claims description 2
- 239000002356 single layer Substances 0.000 claims description 2
- 238000004804 winding Methods 0.000 claims description 2
- 238000005056 compaction Methods 0.000 claims 1
- 239000011810 insulating material Substances 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 239000008151 electrolyte solution Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Images
Classifications
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- 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 relates to an intelligence moisture-proof cable, it includes conductor I outside of the conductor is equipped with the conductor shield layer outside is equipped with the insulating layer outside is equipped with the insulation shield layer outside is equipped with the metallic shield layer, and they constitute the insulation shielding sinle silk, and many insulation shielding sinle silks are stranded the stranding. The utility model discloses an aspect prevents that moisture from getting into, on the other hand adopts the moisture sensitive insulation core to introduce great electric current and dispel the heat after moisture gets into to take away moisture, guarantee cable safe operation.
Description
Technical Field
The utility model relates to a cable, concretely relates to dampproofing cable.
Background
The power cable is more and more widely applied to various environments, in outdoor air with high humidity or places close to water areas, moisture possibly enters a cable sheath, so that the cable is affected with damp, and the cable sheath or insulation runs in the water environment for a long time, so that the aging is accelerated, and the service life of the cable is shortened.
Cables used in wet environments are typically provided with special structural layers in the cable structure which increases the cost of the cable and does not provide a good solution to moisture ingress.
Disclosure of Invention
The purpose of the invention is as follows: the utility model aims at overcoming not enough among the prior art, provide one kind and prevent that moisture from getting into on the one hand, on the other hand adopts moisture sensitive insulation core to introduce great electric current and dispel the heat after moisture gets into to take away moisture, guarantee the dampproofing cable of intelligence of cable safety operation.
The technical scheme is as follows: in order to solve the technical problem, the intelligent moisture-proof cable of the utility model comprises a conductor I, a conductor shielding layer is arranged outside the conductor I, an insulating layer is arranged outside the conductor shielding layer, an insulating shielding layer is arranged outside the insulating layer, a metal shielding layer is arranged outside the insulating shielding layer, the insulating shielding layer and the insulating shielding layer form an insulating shielding wire core, a plurality of insulating shielding wire cores are twisted into a cable, a filling layer is arranged outside the insulating shielding wire core, a water-blocking layer is arranged outside the filling layer, an inner sheath is arranged outside the water-blocking layer, a metal wire armor layer is arranged outside the inner sheath, four moisture-sensitive insulating wire cores are embedded in the metal wire armor layer and are divided into two symmetrical groups, two groups of each group are arranged near each other, the moisture-sensitive insulating wire cores comprise a conductor II, a moisture-sensitive insulating layer is arranged outside the conductor II, and a water-blocking rope is respectively arranged on two sides of each group of, the water blocking rope is also embedded into the metal wire armor layer, and an outer sheath is arranged outside the metal wire armor layer.
The conductor I adopts a copper or aluminum compact round structure, the compact coefficient is larger than 0.96, and the out-of-roundness is smaller than 3%.
The conductor shielding layer, the insulating layer and the insulation shielding layer are formed by three layers in a co-extrusion mode, the concentricity of the three layers is greater than 98%, the conductor shielding layer and the insulation shielding layer are semiconductive shielding layers, the insulating layer is a crosslinked polyethylene layer, and the insulation thickness is not less than 3.4 mm.
The metal shielding layer is formed by lapping single-layer copper strips in an overlapping mode or formed by lapping double-layer copper strip gaps in an overlapping mode or formed by winding copper wires.
The inner sheath is a linear low-density polyethylene layer, and the thickness of the inner sheath is not less than 1.6 mm.
The conductor II is a copper single wire, the humidity-sensitive insulating layer is formed by copolymerizing and crosslinking a styrene polymer with a strong polar group and acrylic acid, the thickness of the humidity-sensitive insulating layer is 0.4-0.6mm, and the outer diameter of the humidity-sensitive insulating layer is the same as the diameter of a metal wire of the metal wire armor layer.
The diameter of the water blocking rope is the same as the diameter of the metal wire armor layer.
The metal wire armor layer is made of galvanized steel wires, and the diameter of the metal wire armor layer is not less than 1.25 mm.
The outer sheath is made of medium density polyethylene, and the thickness of the outer sheath is not less than 1.8 mm.
Has the advantages that: compared with the prior art, the utility model, it is showing the advantage and is: the utility model has reasonable overall structure, the conductor shielding layer, the insulating layer and the insulation shielding layer are formed by three-layer co-extrusion, the layers are completely attached together, the interface is smooth, the concentricity of the three layers is more than 98 percent, the filling layer adopts the water-blocking rope which fills all insulation gaps and can effectively prevent the water from entering, the water-blocking layer is expandable and can expand to form gel when meeting water or moisture, the water is longitudinally prevented from entering the cable, the inner sheath is linear low-density polyethylene and has higher waterproof function, the water-blocking rope is hydrophilic water-blocking material, when the water enters from the outside, more water can be gathered in the water-blocking rope, the water-blocking rope is close to the humidity-sensitive insulating layer, the humidity-sensitive insulating layer can absorb the water and sense the moisture, the resistivity of the insulating layer can change along with the moisture, the humidity-sensitive insulating layer adopts styrene polymer with strong polar groups to be copolymerized and crosslinked with acrylic, when the insulating material encounters moisture, water molecules are adsorbed by polar groups, more and more water molecules are condensed to form liquid water, the insulating material loses efficacy and becomes electrolyte solution capable of conducting electricity, so that two insulating wire cores are conducted, larger current is introduced to dissipate heat, moisture is taken away, and the outer sheath has the existing moisture-proof function of medium-density polyethylene and has higher strength to protect the inner structure of the cable.
Drawings
Fig. 1 is a schematic cross-sectional structure of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples.
As shown in fig. 1, an intelligence dampproofing cable, I1 of conductor is crowded package conductor shielding layer 2, insulating layer 3, insulation screen 4 outward in proper order, cladding metallic shield 5, three insulation screen sinle silks stranding, the cable core clearance is filled up filler material, the cable core is wrapped waterproof layer 7 outward, crowded package inner sheath 8, II 10 outer crowded package moisture sensitive insulating layer 11 of conductor, including 8 outer package wire armor 9 outer package moisture sensitive insulation sinle silks of covering wire armor add the integrated configuration of 12 that blocks water, the crowded package oversheath 13 of outermost. The utility model has reasonable overall structure, the conductor shielding layer, the insulating layer and the insulation shielding layer are formed by three-layer co-extrusion, the layers are completely attached together, the interface is smooth, the concentricity of the three layers is more than 98 percent, the filling layer adopts the water-blocking rope which fills all insulation gaps and can effectively prevent the water from entering, the water-blocking layer is expandable and can expand to form gel when meeting water or moisture, the water is longitudinally prevented from entering the cable, the inner sheath is linear low-density polyethylene and has higher waterproof function, the water-blocking rope is hydrophilic water-blocking material, when the water enters from the outside, more water can be gathered in the water-blocking rope, the water-blocking rope is close to the humidity-sensitive insulating layer, the humidity-sensitive insulating layer can absorb the water and sense the moisture, the resistivity of the insulating layer can change along with the moisture, the humidity-sensitive insulating layer adopts styrene polymer with strong polar groups to be copolymerized and crosslinked with acrylic, when the insulating material encounters moisture, water molecules are adsorbed by polar groups, more and more water molecules are condensed to form liquid water, the insulating material loses efficacy and becomes electrolyte solution capable of conducting electricity, so that two insulating wire cores are conducted, larger current is introduced to dissipate heat, moisture is taken away, and the outer sheath has the existing moisture-proof function of medium-density polyethylene and has higher strength to protect the inner structure of the cable.
The utility model provides a thinking and method, the method and the way of specifically realizing this technical scheme are many, above only the utility model discloses a preferred embodiment should point out, to the ordinary technical personnel in this technical field, not deviating from the utility model discloses under the prerequisite of principle, can also make a plurality of improvements and moist decorations, these improvements should also be regarded as the utility model discloses a protection range, each component that does not make clear and definite in this embodiment all can be realized with prior art.
Claims (9)
1. The utility model provides a dampproofing cable of intelligence which characterized in that: the cable comprises a conductor I (1), a conductor shielding layer (2) is arranged outside the conductor I (1), an insulating layer (3) is arranged outside the conductor shielding layer (2), an insulating shielding layer (4) is arranged outside the insulating layer (3), a metal shielding layer (5) is arranged outside the insulating shielding layer (4), the insulating shielding layer (3) and the insulating shielding layer form insulating shielding wire cores, a plurality of insulating shielding wire cores are twisted into a cable, a filling layer (6) is arranged outside the insulating shielding wire cores, a water blocking layer (7) is arranged outside the filling layer (6), an inner sheath (8) is arranged outside the water blocking layer (7), a metal wire armor layer (9) is arranged outside the inner sheath (8), four moisture-sensitive insulating wire cores are embedded into the metal wire armor layer (9) and are divided into two groups symmetrically, each group is arranged near each other, the moisture-sensitive insulating wire cores comprise a conductor II (10), the moisture-sensitive insulating layer (11) is arranged outside the conductor II (10), a water blocking rope (12) is respectively arranged on two sides of each moisture-sensitive insulating wire core, the water blocking rope (12) is also embedded into the metal wire armor layer (9), and an outer sheath (13) is arranged outside the metal wire armor layer (9).
2. The intelligent moisture-resistant cable of claim 1, wherein: the conductor I (1) adopts a copper or aluminum compacted round structure, the compaction coefficient is greater than 0.96, and the out-of-roundness is less than 3%.
3. The intelligent moisture-resistant cable of claim 1, wherein: conductor shielding layer (2), insulating layer (3), insulating shielding layer (4) adopt the three-layer to crowd altogether and form, and the three-layer concentricity is greater than 98%, and conductor shielding layer (2) and insulating shielding layer (4) all are the semiconductive shielding layer, and insulating layer (3) are the crosslinked polyethylene layer, and insulation thickness is not less than 3.4 mm.
4. The intelligent moisture-resistant cable of claim 1, wherein: the metal shielding layer (5) is formed by lapping single-layer copper strips in an overlapping mode or lapping double-layer copper strip gaps in a covering mode or winding copper wires.
5. The intelligent moisture-resistant cable of claim 1, wherein: the inner sheath (8) is a linear low-density polyethylene layer, and the thickness of the inner sheath is not less than 1.6 mm.
6. The intelligent moisture-resistant cable of claim 1, wherein: the conductor II (10) is a copper single wire, the humidity-sensitive insulating layer (11) is formed by copolymerizing and crosslinking a styrene polymer with a strong polar group and acrylic acid, the thickness of the humidity-sensitive insulating layer (11) is 0.4-0.6mm, and the outer diameter of the humidity-sensitive insulating layer (11) is the same as the diameter of a metal wire of the metal wire armor layer (9).
7. The intelligent moisture-resistant cable of claim 1, wherein: the diameter of the water-blocking rope (12) is the same as the diameter of the metal wire armor layer (9).
8. The intelligent moisture-resistant cable of claim 1, wherein: the metal wire armor layer (9) is made of galvanized steel wires, and the diameter of the metal wire armor layer is not less than 1.25 mm.
9. The intelligent moisture-resistant cable of claim 1, wherein: the outer sheath (13) is made of medium density polyethylene, and the thickness of the outer sheath is not less than 1.8 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921382595.6U CN210223599U (en) | 2019-08-24 | 2019-08-24 | Intelligent moisture-proof cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921382595.6U CN210223599U (en) | 2019-08-24 | 2019-08-24 | Intelligent moisture-proof cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210223599U true CN210223599U (en) | 2020-03-31 |
Family
ID=69919970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921382595.6U Active CN210223599U (en) | 2019-08-24 | 2019-08-24 | Intelligent moisture-proof cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210223599U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113270223A (en) * | 2021-05-22 | 2021-08-17 | 无锡市苏南电缆有限公司 | Improved high-performance flame-retardant cable and flame-retardant layer thereof |
-
2019
- 2019-08-24 CN CN201921382595.6U patent/CN210223599U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113270223A (en) * | 2021-05-22 | 2021-08-17 | 无锡市苏南电缆有限公司 | Improved high-performance flame-retardant cable and flame-retardant layer thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 214205 huankeyuan chaquan Road, Yixing City, Wuxi City, Jiangsu Province Patentee after: Jiangsu Bao'an Cable Co.,Ltd. Address before: 214205 huankeyuan chaquan Road, Yixing City, Wuxi City, Jiangsu Province Patentee before: JIANGSU BAOAN CABLE Co.,Ltd. |