CN221427432U - Ethylene-propylene rubber insulation halogen-free low-smoke low-toxicity flame-retardant medium-voltage cable for ship - Google Patents
Ethylene-propylene rubber insulation halogen-free low-smoke low-toxicity flame-retardant medium-voltage cable for ship Download PDFInfo
- Publication number
- CN221427432U CN221427432U CN202322913826.4U CN202322913826U CN221427432U CN 221427432 U CN221427432 U CN 221427432U CN 202322913826 U CN202322913826 U CN 202322913826U CN 221427432 U CN221427432 U CN 221427432U
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- CN
- China
- Prior art keywords
- layer
- low
- ethylene
- propylene rubber
- smoke
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- 239000000779 smoke Substances 0.000 title claims abstract description 24
- 231100000053 low toxicity Toxicity 0.000 title claims abstract description 19
- 229920000181 Ethylene propylene rubber Polymers 0.000 title claims abstract description 17
- 238000009413 insulation Methods 0.000 title claims abstract description 14
- 239000003063 flame retardant Substances 0.000 title claims abstract description 13
- 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 11
- 239000004020 conductor Substances 0.000 claims abstract description 25
- 239000004065 semiconductor Substances 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims abstract description 4
- 239000010410 layer Substances 0.000 claims description 59
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- 239000004698 Polyethylene Substances 0.000 claims description 14
- -1 polyethylene Polymers 0.000 claims description 14
- 229920000573 polyethylene Polymers 0.000 claims description 14
- 239000011241 protective layer Substances 0.000 claims description 14
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 8
- 229910052802 copper Inorganic materials 0.000 claims description 8
- 239000010949 copper Substances 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 7
- 229910052751 metal Inorganic materials 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 5
- 229920000098 polyolefin Polymers 0.000 claims description 5
- 239000011810 insulating material Substances 0.000 claims description 4
- 230000007797 corrosion Effects 0.000 description 7
- 238000005260 corrosion Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 230000017525 heat dissipation Effects 0.000 description 6
- 230000032683 aging Effects 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 3
- 229910052736 halogen Inorganic materials 0.000 description 3
- 150000002367 halogens Chemical class 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229920003020 cross-linked polyethylene Polymers 0.000 description 1
- 239000004703 cross-linked polyethylene Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
- 238000009423 ventilation 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 relates to the technical field of cables and discloses an ethylene-propylene rubber insulation halogen-free low-smoke low-toxicity flame-retardant medium-voltage cable for ships, which comprises a conductor, wherein the outer surface of the conductor is wrapped with a layer of semiconductor shielding layer, the outer surface of the semiconductor shielding layer is sequentially wrapped with a conductor shielding layer, an insulating layer and an insulating shielding layer by adopting a three-layer coextrusion process.
Description
Technical Field
The utility model relates to the technical field of cables, in particular to an ethylene-propylene rubber insulation halogen-free low-smoke low-toxicity flame-retardant medium-voltage cable for a ship.
Background
With the rapid development of the ship industry in recent years, the development direction of a ship power supply system in the future is that high-voltage high-capacity is the development direction of the ship power supply system in the future, the high-voltage-grade electrical equipment applied to ships and other direct-current power supply and distribution systems (such as subways and light rails) is more and more, the conventional medium-voltage cable is always of a 2-class conductor structure, crosslinked polyethylene insulation and even steel tape armors are also arranged, the whole cable is harder, the bending radius cannot meet the 6D requirement, compared with a narrow space in the ship, the cable is inconvenient to install, sometimes cannot be installed, the cable is limited in ventilation capacity, and once a power supply circuit is in a problem or unstable state, the cable brings about serious harm to the whole ship, and simultaneously generates electric fire, and generated dense smoke and toxic gas bring about huge loss of lives and property of the ship personnel.
Disclosure of utility model
The utility model aims to provide an ethylene-propylene rubber insulation halogen-free low-smoke low-toxicity flame-retardant medium-voltage cable for a ship, which has the advantages of high current-carrying capacity, flame retardance, low smoke zero halogen, low toxicity, heat resistance, softness, flexibility resistance, oil resistance, abrasion resistance, low temperature resistance, corrosion resistance, sunlight aging resistance, moisture resistance, good heat dissipation effect, timely fire extinguishment of the burnt cable when short circuit burnout occurs, fire disaster prevention and the like.
The aim of the utility model can be achieved by the following technical scheme:
The utility model provides a fire-retardant middling pressure cable of ethylene-propylene rubber insulation halogen-free low smoke and low toxicity for naval vessel, includes the conductor, the surface of conductor wrap one deck semiconductor shield layer, the semiconductor shield layer outward surface adopt three-layer to crowd package conductor shield layer, insulating layer and insulating shield layer in proper order, the surface of insulating shield layer wraps one deck metal shield layer, the outer surface of metal shield layer crowds the interior sheath, the surface of interior sheath is fixed with a plurality of support bars, the surface of support bar compiles one deck armor layer, fixedly connected with a plurality of polyethylene hoses between interior sheath and the armor layer, the surface on armor layer crowds a layer of outer sheath.
As a further scheme of the utility model: the conductor is formed by twisting a plurality of fine tinned soft copper wires.
As a further scheme of the utility model: the insulating layer is made of an excellent ethylene-propylene rubber insulating material.
As a further scheme of the utility model: the inner protective layer and the outer protective layer are made of halogen-free low-smoke low-toxicity cross-linked polyolefin materials.
As a further scheme of the utility model: the armor layer is made of copper strips.
As a further scheme of the utility model: one end sliding connection of polyethylene hose has the inlet tube, the one end fixedly connected with inlet ring pipe of inlet tube, the surface fixedly connected with connecting pipe of inlet ring pipe.
The utility model has the beneficial effects that:
(1) Through overlapping the one deck semiconductor shielding layer of package at the conductor surface for reduce loss and prevent partial discharge, simultaneously through pouring water into the polyethylene hose, dispel the heat to the cable through water, simultaneously through the support of support bar, the space realization of support dispels the heat to the cable, thereby improved the radiating effect of cable greatly, improved the life of cable, when the local short circuit of cable burns out that generates heat simultaneously, circuit tripping operation this moment, the polyethylene hose is burnt out this moment, through the water injection to the polyethylene hose duration, carry out timely pouring out the position of local burning out, the effectual production of preventing the conflagration.
(2) The conductor formed by twisting a plurality of fine tinned soft copper wires adopts a normal twisting structure, the directions of adjacent layers are opposite, and the processes of twisting the bundle wires and twisting the twisted wires of each layer are opposite, so that the conductor has the advantages of softness, small outer diameter, regular structure, round surface, small resistance, high transmission efficiency, convenience in installation, corrosion resistance, oxidation resistance and the like.
(3) The insulation adopts excellent ethylene-propylene rubber insulating material, has high temperature resistance, can meet the high-temperature use of long-term conductors, has excellent electrical property, large insulation resistance, stable performance, softness, no halogen, low smoke, safety and environmental protection.
(4) The inner and outer jackets are made of oil-resistant, salt-fog-resistant, corrosion-resistant, high-strength, halogen-free, low-smoke and low-toxicity cross-linked polyolefin materials with high strength, oil resistance, salt fog resistance, corrosion resistance, aging resistance, softness, no halogen, low smoke, safety and environmental protection.
Drawings
The utility model is further described below with reference to the accompanying drawings.
FIG. 1 is a first perspective view of the external structure of the present utility model;
fig. 2 is a second perspective view of the external structure of the present utility model.
In the figure: 1. a conductor; 2. a semiconductor shielding layer; 3. a conductor shielding layer; 4. an insulating layer; 5. an insulating shielding layer; 6. a metal shielding layer; 7. an inner protective layer; 8. a support bar; 9. an armor layer; 10. a polyethylene hose; 11. an outer protective layer; 12. a water inlet pipe; 13. a water inlet ring pipe; 14. and (5) connecting pipes.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-2, the utility model discloses an ethylene-propylene rubber insulation halogen-free low-smoke low-toxicity flame-retardant medium voltage cable for a ship, which comprises a conductor 1, wherein a layer of semiconductor shielding layer 2 is wrapped on the outer surface of the conductor 1, the outer surface of the semiconductor shielding layer 2 is sequentially wrapped with a layer of semiconductor shielding layer 3, an insulating layer 4 and an insulating shielding layer 5 by adopting a three-layer coextrusion process, the outer surface of the insulating shielding layer 5 is wrapped with a layer of metal shielding layer 6, the outer surface of the metal shielding layer 6 is wrapped with an inner protective layer 7, a plurality of support bars 8 are fixed on the outer surface of the inner protective layer 7, an armor layer 9 is woven on the outer surface of the support bars 8, a plurality of polyethylene hoses 10 are fixedly connected between the inner protective layer 7 and the armor layer 9, the outer surface of the armor layer 9 is wrapped with an outer protective layer 11, the support bars are covered with one layer of semiconductor shielding layer 2 by overlapping on the surface of the conductor 1 so as to reduce loss and prevent partial discharge, meanwhile, water is filled into the polyethylene hoses 10, and meanwhile, the support bars are covered with water, a large amount of support space is used for supporting the cables, so that the heat dissipation effect is improved, when the heat dissipation of the cables is greatly lost, and the heat dissipation effect of the cables is realized by the polyethylene hoses is continuously, and when the heat dissipation effect is improved, and the heat dissipation effect of the cable is realized, and the heat is continuously by the heat-dissipating the cable is by the heat hose 10 by the cable, and when the heat is continuously and the position is burned.
The conductor 1 is formed by twisting a plurality of fine tinned soft copper wires, the conductor 1 formed by twisting a plurality of fine tinned soft copper wires is of a normal twisting structure, the directions of adjacent layers are opposite, the strand twisting direction and the strand twisting direction of each layer are opposite, and the conductor has the advantages of softness, small outer diameter, regular structure, round surface, small resistance, high transmission efficiency, convenience in installation, corrosion resistance, oxidation resistance and the like.
The insulating layer 4 is made of an excellent ethylene-propylene rubber insulating material, is high in temperature resistance, can meet the requirement of long-term conductor high-temperature use, is excellent in electrical property, large in insulating resistance, stable in performance, soft, halogen-free, low in smoke, safe and environment-friendly, and accordingly improves the safety and environment-friendly performance of the cable.
The inner protective layer 7 and the outer protective layer 11 are made of halogen-free low-smoke low-toxicity cross-linked polyolefin materials, and the inner protective layer and the outer protective layer are made of oil-resistant, salt-fog-resistant, corrosion-resistant, high-strength, long-life, halogen-free low-smoke low-toxicity cross-linked polyolefin materials, are oil-resistant, salt-fog-resistant, corrosion-resistant, ageing-resistant, soft, halogen-free, low-smoke, safe and environment-friendly.
The armor layer 9 is made of copper strips.
One end sliding connection of polyethylene hose 10 has inlet tube 12, the one end fixedly connected with inlet tube 12 has water inlet circle pipe 13, the surface fixedly connected with connecting pipe 14 of water inlet circle pipe 13, through connecting pipe 14 to the water injection in the water inlet circle pipe 13, water enters into polyethylene hose 10 through inlet tube 12 afterwards, carries out the water injection to polyethylene hose 10.
The foregoing describes one embodiment of the present utility model in detail, but the description is only a preferred embodiment of the present utility model and should not be construed as limiting the scope of the utility model. All equivalent changes and modifications within the scope of the present utility model are intended to be covered by the present utility model.
Claims (6)
1. The utility model provides a fire-retardant middling pressure cable of ethylene-propylene rubber insulation halogen-free low smoke and low toxicity for naval vessel, includes conductor (1), its characterized in that, the surface of conductor (1) is around one deck semiconductor shield layer (2), semiconductor shield layer (2) surface adopt three-layer crowded technique altogether, crowded conductor shield layer (3), insulating layer (4) and insulating shield layer (5) of wrapping in proper order, the surface of insulating shield layer (5) is around one deck metal shield layer (6), the surface of metal shield layer (6) is crowded to wrap inner sheath (7), the surface of inner sheath (7) is fixed with a plurality of support bars (8), the surface of support bar (8) is woven one deck armor layer (9), fixedly connected with a plurality of polyethylene hose (10) between inner sheath (7) and armor layer (9), the surface crowded one deck outer sheath (11) of armor layer (9).
2. The ethylene-propylene rubber insulation halogen-free low-smoke low-toxicity flame-retardant medium voltage cable for ships according to claim 1, wherein the conductor (1) is formed by twisting a plurality of fine tinned soft copper wires.
3. The ethylene-propylene rubber insulated halogen-free low-smoke low-toxicity flame-retardant medium voltage cable for ships according to claim 1, wherein the insulating layer (4) is made of an excellent ethylene-propylene rubber insulating material.
4. The ethylene-propylene rubber insulation halogen-free low-smoke low-toxicity flame-retardant medium-voltage cable for ships according to claim 1, wherein the inner protective layer (7) and the outer protective layer (11) are made of halogen-free low-smoke low-toxicity cross-linked polyolefin materials.
5. The ethylene-propylene rubber insulated halogen-free low-smoke low-toxicity flame-retardant medium voltage cable for ships according to claim 1, wherein the armor layer (9) is made of copper strips.
6. The ethylene-propylene rubber insulation halogen-free low-smoke low-toxicity flame-retardant medium voltage cable for ships according to claim 1, wherein one end of the polyethylene hose (10) is slidably connected with a water inlet pipe (12), one end of the water inlet pipe (12) is fixedly connected with a water inlet ring pipe (13), and the outer surface of the water inlet ring pipe (13) is fixedly connected with a connecting pipe (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322913826.4U CN221427432U (en) | 2023-10-30 | 2023-10-30 | Ethylene-propylene rubber insulation halogen-free low-smoke low-toxicity flame-retardant medium-voltage cable for ship |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322913826.4U CN221427432U (en) | 2023-10-30 | 2023-10-30 | Ethylene-propylene rubber insulation halogen-free low-smoke low-toxicity flame-retardant medium-voltage cable for ship |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221427432U true CN221427432U (en) | 2024-07-26 |
Family
ID=91980608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322913826.4U Active CN221427432U (en) | 2023-10-30 | 2023-10-30 | Ethylene-propylene rubber insulation halogen-free low-smoke low-toxicity flame-retardant medium-voltage cable for ship |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221427432U (en) |
-
2023
- 2023-10-30 CN CN202322913826.4U patent/CN221427432U/en active Active
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| GR01 | Patent grant | ||
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