CN210325279U - Marine power cable with environment-friendly crosslinked polyethylene insulating polyvinyl chloride sheath - Google Patents
Marine power cable with environment-friendly crosslinked polyethylene insulating polyvinyl chloride sheath Download PDFInfo
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- CN210325279U CN210325279U CN201921525658.9U CN201921525658U CN210325279U CN 210325279 U CN210325279 U CN 210325279U CN 201921525658 U CN201921525658 U CN 201921525658U CN 210325279 U CN210325279 U CN 210325279U
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- Prior art keywords
- polyvinyl chloride
- layer
- fixed
- environment
- power cable
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- 229920000915 polyvinyl chloride Polymers 0.000 title claims abstract description 32
- 239000004800 polyvinyl chloride Substances 0.000 title claims abstract description 32
- 239000004703 cross-linked polyethylene Substances 0.000 title claims abstract description 25
- 229920003020 cross-linked polyethylene Polymers 0.000 title claims abstract description 25
- RYGMFSIKBFXOCR-UHFFFAOYSA-N copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 47
- 229910052802 copper Inorganic materials 0.000 claims abstract description 47
- 239000010949 copper Substances 0.000 claims abstract description 47
- 239000003063 flame retardant Substances 0.000 claims abstract description 26
- 239000000779 smoke Substances 0.000 claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000003513 alkali Substances 0.000 claims abstract description 11
- 239000011248 coating agent Substances 0.000 claims abstract description 10
- 238000000576 coating method Methods 0.000 claims abstract description 10
- 229910052736 halogen Inorganic materials 0.000 claims abstract description 10
- 150000002367 halogens Chemical class 0.000 claims abstract description 10
- 239000002253 acid Substances 0.000 claims abstract description 8
- 230000000903 blocking Effects 0.000 claims abstract description 5
- 239000004020 conductor Substances 0.000 claims description 30
- 239000000835 fiber Substances 0.000 claims description 8
- VTHJTEIRLNZDEV-UHFFFAOYSA-L Magnesium hydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 claims description 5
- 229910001862 magnesium hydroxide Inorganic materials 0.000 claims description 5
- 239000000347 magnesium hydroxide Substances 0.000 claims description 5
- 239000003365 glass fiber Substances 0.000 claims description 4
- 239000002135 nanosheet Substances 0.000 claims description 3
- 239000004753 textile Substances 0.000 claims description 3
- 238000009413 insulation Methods 0.000 abstract 1
- 239000010426 asphalt Substances 0.000 description 10
- 238000005260 corrosion Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000007789 gas Substances 0.000 description 2
- 206010000369 Accident Diseases 0.000 description 1
- 239000004698 Polyethylene (PE) Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
Abstract
The utility model discloses an marine power cable of insulating polyvinyl chloride sheath of environment-friendly crosslinked polyethylene relates to cable technical field. This marine power cable of insulating polyvinyl chloride sheath of environment-friendly crosslinked polyethylene, including the polyvinyl chloride oversheath, the inner wall paste of polyvinyl chloride oversheath is fixed with low smoke and zero halogen environmental protection armor, the inner wall paste of low smoke and zero halogen environmental protection armor is fixed with acid and alkali resistant layer, the outer wall parcel that the inside suit of acid and alkali resistant layer is fixed with pitch anticorrosive coating and pitch anticorrosive coating has around the band, the inside suit of pitch anticorrosive coating has the water blocking layer of packing between fire-retardant layer and pitch anticorrosive coating and the fire-retardant layer, the inner wall paste of fire-retardant layer is fixed with the copper strips shielding layer, the inner wall paste of copper strips shielding layer is fixed with the insulating layer. The marine power cable with the environment-friendly cross-linked polyethylene insulation polyvinyl chloride sheath can guarantee safe operation of electrical equipment and circuits, and prevent personal electric shock accidents.
Description
Technical Field
The utility model relates to the technical field of cables, specifically be an marine power cable of insulating polyvinyl chloride sheath of environment-friendly crosslinked polyethylene.
Background
The marine cable is a special wire cable, and is mainly used for power supply, control and communication of various ships, water platforms, ports and the like in rivers, lakes and seas. The marine cable has the advantages of water resistance, flame retardance, corrosion resistance, acid and alkali resistance, softness, easiness in bending and the like, and can be divided into the following parts: marine power cables, marine communication cables, marine control cables, marine radio frequency cables, marine wires, marine coaxial cables, shore power cables, and the like.
Most of the existing marine power cables are marine power cables which adopt halogen-containing polyvinyl chloride as insulating and flame-retardant materials, although the marine power cables have good flame retardance, the cables can generate a large amount of dense smoke and toxic gases when being accidentally burned, and the marine power cables have some environmental protection problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an insulating polyvinyl chloride sheath marine power cable of environment-friendly crosslinked polyethylene to solve the problem that provides in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: an environment-friendly cross-linked polyethylene insulated polyvinyl chloride jacketed marine power cable comprises a polyvinyl chloride outer sheath, wherein a low-smoke halogen-free environment-friendly armor layer is fixedly adhered to the inner wall of the polyvinyl chloride outer sheath, an acid-alkali resistant layer is fixedly adhered to the inner wall of the low-smoke halogen-free environment-friendly armor layer, an asphalt anticorrosive layer is fixedly sleeved inside the acid-alkali resistant layer, a wrapping tape wraps the outer wall of the asphalt anticorrosive layer, a flame retardant layer is sleeved inside the asphalt anticorrosive layer, a water blocking layer is filled between the asphalt anticorrosive layer and the flame retardant layer, a copper strip shielding layer is fixedly adhered to the inner wall of the flame retardant layer, an insulating layer is fixedly adhered to the inner wall of the copper strip shielding layer, a triangular support frame is fixedly sleeved inside the insulating layer, a filling strip is filled between the insulating layer and the triangular support frame, a copper conductor is fixedly sleeved inside the triangular support frame, and, the outer wall of the copper conductor is fixedly pasted with a tinned copper wire braided shielding layer, and the outer wall of the tinned copper wire braided shielding layer is fixedly pasted with a fire-resistant layer.
Preferably, the number of the copper conductors is three, and the copper conductors are distributed in a triangular shape and have a central symmetrical structure.
Preferably, the inner wall of the polyvinyl chloride outer sheath is fixedly adhered with textile fibers.
Preferably, the insulating layer is a crosslinked polyethylene insulating layer.
Preferably, the flame-retardant layer is a nano magnesium hydroxide crystal, and the nano magnesium hydroxide crystal is of a nano-sheet layered structure.
Preferably, the water-resistant layer is a crosslinked polyethylene water-resistant layer.
Preferably, the filling fiber body is glass fiber.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) this marine power cable of environment-friendly crosslinked polyethylene sheath fixes three copper conductor through the triangular supports frame, and the space packing between copper conductor and the triangular supports frame has the packing strip, fixes the copper conductor for the structure is more stable.
(2) This marine power cable of insulating polyvinyl chloride sheath of environment-friendly crosslinked polyethylene through setting up low smoke and zero halogen environmental protection armor, still adopts the insulating layer of the crosslinking polyethylene flame retardant material who does not contain the halogen, around band and polyvinyl chloride oversheath, not only has better fire-retardant characteristic, does not have haloid acid gas to emit when the cable burning moreover, and the cable production smoke volume is also little.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the internal structure of the middle insulating layer according to the present invention;
fig. 3 is an enlarged view of a in fig. 1 according to the present invention.
In the figure: 1 copper conductor, 2 tinned copper wire woven shield, 3 flame retardant coatings, 4 packing fibrous bodies, 5 triangular supports, 6 packing strips, 7 insulating layers, 8 copper tape shielding layers, 9 flame retardant layers, 10 water blocking layers, 11 asphalt anticorrosive coatings, 12 around the band, 13 acidproof alkali layers, 14 low smoke zero halogen environmental protection armor, 15 polyvinyl chloride oversheath.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: an environment-friendly cross-linked polyethylene insulated polyvinyl chloride sheathed marine power cable comprises a polyvinyl chloride outer sheath 15, wherein a low-smoke halogen-free environment-friendly armor layer 14 is fixedly adhered to the inner wall of the polyvinyl chloride outer sheath 15 to protect a copper conductor 1 inside from being damaged, an acid-alkali resistant layer 13 is fixedly adhered to the inner wall of the low-smoke halogen-free environment-friendly armor layer 14 to protect the copper conductor 1 inside from being corroded by acid and alkali, an asphalt anti-corrosion layer 11 is fixedly sleeved inside the acid-alkali resistant layer 13, a wrapping tape 12 wraps the outer wall of the asphalt anti-corrosion layer 11, the asphalt anti-corrosion layer 11 can protect the copper conductor 1 inside from being corroded, the mechanical strength of the cable can be increased by the wrapping tape 12, the anti-corrosion capability is improved, a flame retardant layer 9 is sleeved inside the asphalt anti-corrosion layer 11, a water blocking layer 10 is filled between the asphalt anti-corrosion layer 11 and the flame retardant layer 9, the fire accident can be prevented from being enlarged to reduce loss, the waterproof layer 10 prevents water from immersing into the copper conductor 1 to cause conductor oxidation, and achieves the damp-proof effect in a damp environment, the copper strip shielding layer 8 is fixedly pasted on the inner wall of the flame-retardant layer 9, the insulating layer 7 is fixedly pasted on the inner wall of the copper strip shielding layer 8, the copper conductor 1 can be prevented from electric leakage, and the electrical property of the cable and the protection effect on the flame-retardant layer 3 under normal conditions are also ensured, the triangular support frame 5 is fixedly sleeved inside the insulating layer 7, the filling strip 6 is filled between the insulating layer 7 and the triangular support frame 5, the copper conductor 1 is fixedly sleeved inside the triangular support frame 5, the filling fiber body 4 is filled between the triangular support frame 5 and the copper conductor 1, the triangular support frame 5 plays a fixing role on the copper conductor 1, the filling fiber body 4 and the filling strip 6 can round the cable core, and further, the outer wall of copper conductor 1 is pasted and is fixed with tinned copper wire and weaves shielding layer 2, and the copper wire tinning prevents the corruption that the copper wire received in the serious occasion of pollution, prevents the interference of external interference source to the self of cable and the interference that the cable led to the fact other circuits, and the outer wall of tinned copper wire and weaves shielding layer 2 is pasted and is fixed with flame retardant coating 3.
The number of the copper conductors 1 is three, the copper conductors 1 are distributed in a triangular shape and are in a central symmetrical structure, the triangle is a most stable and least easily deformed frame structure, the stability among the three copper conductors 1 can be enhanced, textile fibers are adhered and fixed on the inner wall of the polyvinyl chloride outer sheath 15, the insulating layer 7 is a crosslinked polyethylene insulating layer which has the advantages of simple structure, light weight, good heat resistance, no melting, chemical corrosion resistance, high mechanical strength and the like, the safe operation of electrical equipment and circuits can be ensured, the occurrence of personal electric shock accidents is prevented, the flame-retardant layer 9 is a nano magnesium hydroxide crystal which is in a nano-sheet layered structure, the nano magnesium hydroxide crystal can improve the performances of flame retardance, smoke suppression and the like of the flame-retardant layer 9, the water-resistant layer 10 is a crosslinked polyethylene water-resistant layer, and the filling fiber body 4 is glass fiber, the glass fiber is an inorganic non-metallic material with excellent performance, has the advantages of good insulativity, strong heat resistance, good corrosion resistance and the like, and can fill the gap between the triangular support frame 5 and the copper conductor 1, so that the core of the cable can be more round, and the insulativity, the heat resistance and the corrosion resistance of the cable can be further enhanced.
In summary, the following steps: fix three copper conductor 1 through triangular supports frame 5, the space between copper conductor 1 and the triangular supports frame 5 is filled there is filler strip 6, fix copper conductor 1, make the structure more stable, low smoke and zero halogen environmental protection armor 14 through the setting, still adopt the insulating layer 7 of the cross-linked polyethylene flame retardant material that does not contain halogen, around band 12 and polyvinyl chloride oversheath 15, not only have better fire-retardant characteristic, and there is not haloid acid gas to emit when the cable burning, it is also little to produce the smoke volume.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides an insulating polyvinyl chloride sheath marine power cable of environment-friendly crosslinked polyethylene, includes polyvinyl chloride oversheath (15), its characterized in that: the inner wall of polyvinyl chloride oversheath (15) is pasted and is fixed with low smoke and zero halogen environmental protection armor (14), the inner wall of low smoke and zero halogen environmental protection armor (14) is pasted and is fixed with acid and alkali resistant layer (13), the inside suit of acid and alkali resistant layer (13) is fixed with pitch anticorrosive coating (11) and the outer wall parcel of pitch anticorrosive coating (11) has around band (12), the inside suit of pitch anticorrosive coating (11) is equipped with fire-retardant layer (9) and the packing has water blocking layer (10) between pitch anticorrosive coating (11) and fire-retardant layer (9), the inner wall of fire-retardant layer (9) is pasted and is fixed with copper strips shielding layer (8), the inner wall of copper strips shielding layer (8) is pasted and is fixed with insulating layer (7), the inside suit of insulating layer (7) is fixed with triangular supports (5) and the packing has between insulating layer (7) and triangular supports (5) strip (6), the inside suit of triangular supports frame (5) is fixed with copper conductor (1) and has filled fibrous body (4) between triangular supports frame (5) and copper conductor (1), the outer wall of copper conductor (1) is pasted and is fixed with tinned copper wire and weaves shielding layer (2), the outer wall of tinned copper wire and weaves shielding layer (2) is pasted and is fixed with flame retardant coating (3).
2. The marine power cable with the environment-friendly cross-linked polyethylene insulated polyvinyl chloride sheath as claimed in claim 1, wherein: the number of the copper conductors (1) is three, and the copper conductors (1) are distributed in a triangular shape and are in a central symmetrical structure.
3. The marine power cable with the environment-friendly cross-linked polyethylene insulated polyvinyl chloride sheath as claimed in claim 1, wherein: and textile fibers are fixedly adhered to the inner wall of the polyvinyl chloride outer sheath (15).
4. The marine power cable with the environment-friendly cross-linked polyethylene insulated polyvinyl chloride sheath as claimed in claim 1, wherein: the insulating layer (7) is a cross-linked polyethylene insulating layer.
5. The marine power cable with the environment-friendly cross-linked polyethylene insulated polyvinyl chloride sheath as claimed in claim 1, wherein: the flame-retardant layer (9) is a nano magnesium hydroxide crystal which is of a nano-sheet layered structure.
6. The marine power cable with the environment-friendly cross-linked polyethylene insulated polyvinyl chloride sheath as claimed in claim 1, wherein: the water-resistant layer (10) is a cross-linked polyethylene water-resistant layer.
7. The marine power cable with the environment-friendly cross-linked polyethylene insulated polyvinyl chloride sheath as claimed in claim 1, wherein: the filling fiber body (4) is glass fiber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921525658.9U CN210325279U (en) | 2019-09-12 | 2019-09-12 | Marine power cable with environment-friendly crosslinked polyethylene insulating polyvinyl chloride sheath |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921525658.9U CN210325279U (en) | 2019-09-12 | 2019-09-12 | Marine power cable with environment-friendly crosslinked polyethylene insulating polyvinyl chloride sheath |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210325279U true CN210325279U (en) | 2020-04-14 |
Family
ID=70132619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921525658.9U Active CN210325279U (en) | 2019-09-12 | 2019-09-12 | Marine power cable with environment-friendly crosslinked polyethylene insulating polyvinyl chloride sheath |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210325279U (en) |
-
2019
- 2019-09-12 CN CN201921525658.9U patent/CN210325279U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |