CN204423993U - Anticorrosion moistureproof power cable with cross-linked polyethylene insulation - Google Patents
Anticorrosion moistureproof power cable with cross-linked polyethylene insulation Download PDFInfo
- Publication number
- CN204423993U CN204423993U CN201520136562.9U CN201520136562U CN204423993U CN 204423993 U CN204423993 U CN 204423993U CN 201520136562 U CN201520136562 U CN 201520136562U CN 204423993 U CN204423993 U CN 204423993U
- Authority
- CN
- China
- Prior art keywords
- layer
- cross
- power cable
- linked polyethylene
- polyethylene insulation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 229920003020 cross-linked polyethylene Polymers 0.000 title claims abstract description 20
- 239000004703 cross-linked polyethylene Substances 0.000 title claims abstract description 20
- 238000009413 insulation Methods 0.000 title claims abstract description 20
- 239000003063 flame retardant Substances 0.000 claims abstract description 32
- 239000011248 coating agent Substances 0.000 claims abstract description 12
- 238000000576 coating method Methods 0.000 claims abstract description 12
- 239000004020 conductor Substances 0.000 claims abstract description 8
- 229910052751 metal Inorganic materials 0.000 claims abstract description 7
- 239000002184 metal Substances 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- RYGMFSIKBFXOCR-UHFFFAOYSA-N copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 229920000098 polyolefin Polymers 0.000 claims description 5
- 239000000779 smoke Substances 0.000 claims description 5
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 239000004698 Polyethylene (PE) Substances 0.000 claims description 3
- REDXJYDRNCIFBQ-UHFFFAOYSA-N aluminium(3+) Chemical group [Al+3] REDXJYDRNCIFBQ-UHFFFAOYSA-N 0.000 claims description 3
- 238000004132 cross linking Methods 0.000 claims description 3
- 239000000945 filler Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- -1 polyethylene Polymers 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 4
- 239000002341 toxic gas Substances 0.000 description 3
- 241001465754 Metazoa Species 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 240000005572 Syzygium cordatum Species 0.000 description 1
- 235000006650 Syzygium cordatum Nutrition 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
Abstract
The utility model discloses a kind of anticorrosion moistureproof power cable with cross-linked polyethylene insulation, comprise surrounding layer and be placed at least one insulated wire cores in described surrounding layer, described surrounding layer is coated with fire-retardant belting layer, longitudinal water-blocking layer, separator, armour, fire-retardant band and restrictive coating from inside to outside successively, internal shield, insulating barrier, outer shielding layer and metal screen layer that described insulated wire cores comprises conductor and is coated on successively from inside to outside on described conductor, and described internal shield, described insulating barrier and described outer shielding layer adopt three-layer co-extruded mode to combine.Anticorrosion moistureproof power cable with cross-linked polyethylene insulation in the utility model is fire-retardant but also anticorrosion protection against the tide not only.
Description
Technical field
The utility model relates to power cable technical field, in particular to the anticorrosion moistureproof power cable with cross-linked polyethylene insulation of one.
Background technology
At present, along with the fast development of national economy and power industry, the demand of each field to power cable with cross-linked polyethylene insulation increases day by day, some area instructions for uses to power cable with cross-linked polyethylene insulation as special in coastal cities environment are also more and more higher, not only need cable to have good insulating properties and anti-flammability, require strict to the water resistance of cable simultaneously.The water resistance of the common fire-retardant electric power in existing known technology is poor, cable is immersed in water or for a long time and works in wet condition, and hydrone is easy in the insulating barrier of cable, form water tree, thus causes the insulating barrier of cable breakdown, cause electric leakage, and the useful life of cable is short.In addition, the separator of common flame-proof power cable and restrictive coating adopt pvc material to make, and can release a large amount of toxic gases, as bioxin, cause serious harm to human body when cable fire.
Utility model content
Technical problem to be solved in the utility model is, provides a kind of power cable of not only fire-retardant but also anticorrosion protection against the tide.
Therefore, the technical solution of the utility model is as follows:
A kind of anticorrosion moistureproof power cable with cross-linked polyethylene insulation, comprise surrounding layer and be placed at least one insulated wire cores in described surrounding layer, described surrounding layer is coated with fire-retardant belting layer, longitudinal water-blocking layer, separator, armour, fire-retardant band and restrictive coating from inside to outside successively, internal shield, insulating barrier, outer shielding layer and metal screen layer that described insulated wire cores comprises conductor and is coated on successively from inside to outside on described conductor, and described internal shield, described insulating barrier and described outer shielding layer adopt three-layer co-extruded mode to combine.
When described insulated wire cores is many, between described insulated wire cores and described surrounding layer, be filled with flame retardant filler.
The semiconductive material that described internal shield and outer shielding layer are set by water resistant is made.
Described insulating barrier is made up of ultra-clean cross-linking polyethylene materials.
The copper strips layer of described metal screen layer to be thickness be 0.11 ~ 0.13mm.
Described fire-retardant belting layer is LSOH anti-flaming band, and the double-deck wrapped outside in described insulated wire cores.
The aluminium-plastic tape of described longitudinal water-blocking layer to be thickness be 0.45 ~ 0.55mm.
Described separator and described restrictive coating are made by halogen-free and low-smoke flame-retardant polyolefin material.
Described armour forms by aluminium alloy chain armouring Double-layer gap is wrapped.
Power cable in the utility model, internal shield, insulating barrier and outer shielding layer adopt three-layer co-extruded mode to combine, and the semiconductive material that internal shield and outer shielding layer are water resistant tree is made, and can improve the electrified performance of cable, thus extend the useful life of cable; Fire-retardant belting layer is LSOH anti-flaming band, and the double-deck wrapped outside in insulated wire cores, the fire retardancy of cable can be increased; The copper of longitudinal water-blocking layer to be thickness be 0.5mm moulds compound composite band, makes cable have good block-water performance; Separator and restrictive coating are made by halogen-free and low-smoke flame-retardant polyolefin material, can play fire-retardant effect, and can not produce toxic gas during cable fire, good environmental protection; Armour forms by chain armouring Double-layer gap is wrapped, and be also provided with fire-retardant band between armour and restrictive coating, can effectively prevent mouse or other animals to bite cable and cause cable bad, fire-retardant band not only has fire-retardant effect, can also with the gap also reducing to be formed between steel band and sheath, thus reduce the interior shear stress of sheath, prevent sheath from ftractureing.
Accompanying drawing explanation
Fig. 1 is the structural representation of the anticorrosion moistureproof power cable with cross-linked polyethylene insulation according to the utility model embodiment;
Fig. 2 is the structural representation of the anticorrosion moistureproof power cable with cross-linked polyethylene insulation according to another embodiment of the utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.It should be noted that, when not conflicting, the feature in the embodiment of the application and embodiment can combine mutually.
As depicted in figs. 1 and 2, according to the anticorrosion moistureproof power cable with cross-linked polyethylene insulation of embodiment of the present utility model, at least one insulated wire cores 1 comprising surrounding layer 9 and be placed in described surrounding layer 9, described surrounding layer 9 is coated with fire-retardant belting layer 2 from inside to outside successively, longitudinal water-blocking layer 3, separator 4, armour 5, fire-retardant band 6 and restrictive coating 7, the internal shield 1-2 that described insulated wire cores 1 comprises conductor 1-1 and is coated on successively from inside to outside on described conductor 1-1, insulating barrier 1-3, outer shielding layer 1-4 and metal screen layer 1-5, and described internal shield 1-2, described insulating barrier 1-3 and described outer shielding layer 1-4 adopts three-layer co-extruded mode to combine.
When described insulated wire cores 1 is many, as shown in Figure 2, between described insulated wire cores 1 and described surrounding layer 9, flame retardant filler 8 is filled with.
The semiconductive material that described internal shield 1-2 and outer shielding layer 1-4 is set by water resistant is made.
Described insulating barrier 1-3 is made up of ultra-clean cross-linking polyethylene materials.
The copper strips layer of described metal screen layer 1-5 to be thickness be 0.11 ~ 0.13mm.
Described fire-retardant belting layer 2 is LSOH anti-flaming band, and the double-deck wrapped outside in described insulated wire cores 1.
The aluminium-plastic tape of described longitudinal water-blocking layer to be thickness be 0.45 ~ 0.55mm.
Described separator 4 and described restrictive coating 7 are made by halogen-free and low-smoke flame-retardant polyolefin material.
Described armour 5 forms by aluminium alloy chain armouring Double-layer gap is wrapped.
Power cable in the utility model, internal shield 1-2, insulating barrier 1-3 and outer shielding layer 1-4 adopt three-layer co-extruded mode to combine, and the semiconductive material that internal shield 1-2 and outer shielding layer 1-3 is water resistant tree is made, and can improve the electrified performance of cable, thus extend the useful life of cable; Fire-retardant belting layer 2 is LSOH anti-flaming band, and the double-deck wrapped outside in insulated wire cores 1, the fire retardancy of cable can be increased; The copper of longitudinal water-blocking layer 3 to be thickness be 0.5mm moulds compound composite band, makes cable have good block-water performance; Separator 4 and restrictive coating 7 are made by halogen-free and low-smoke flame-retardant polyolefin material, can play fire-retardant effect, and can not produce toxic gas during cable fire, good environmental protection; Armour 5 forms by chain armouring Double-layer gap is wrapped, and between armour 5 and restrictive coating 7, be also provided with fire-retardant band 6, can effectively prevent mouse or other animals to bite cable and cause cable bad, fire-retardant band 6 not only has fire-retardant effect, can also with the gap also reducing to be formed between steel band and sheath, thus reduce the interior shear stress of sheath, prevent sheath from ftractureing.
In sum, content of the present utility model is not limited in the above-described embodiment, and those skilled in the art can propose other embodiment within technological guidance's thought of the present utility model, but this embodiment is all included within scope of the present utility model.
Claims (9)
1. an anticorrosion moistureproof power cable with cross-linked polyethylene insulation, it is characterized in that, comprise surrounding layer (9) and be placed at least one insulated wire cores (1) in described surrounding layer (9), described surrounding layer (9) is coated with fire-retardant belting layer (2) from inside to outside successively, longitudinal water-blocking layer (3), separator (4), armour (5), fire-retardant band (6) and restrictive coating (7), described insulated wire cores (1) comprises conductor (1-1) and is coated on the internal shield (1-2) on described conductor (1-1) from inside to outside successively, insulating barrier (1-3), outer shielding layer (1-4) and metal screen layer (1-5), and described internal shield (1-2), described insulating barrier (1-3) and described outer shielding layer (1-4) adopt three-layer co-extruded mode to combine.
2. anticorrosion moistureproof power cable with cross-linked polyethylene insulation according to claim 1, it is characterized in that, described insulated wire cores (1) is many, is filled with flame retardant filler (8) between described insulated wire cores (1) and described surrounding layer (9).
3. anticorrosion moistureproof power cable with cross-linked polyethylene insulation according to claim 1 and 2, is characterized in that, the semiconductive material that described internal shield (1-2) and outer shielding layer (1-4) are set by water resistant is made.
4. anticorrosion moistureproof power cable with cross-linked polyethylene insulation according to claim 1 and 2, is characterized in that, described insulating barrier (1-3) is made up of ultra-clean cross-linking polyethylene materials.
5. anticorrosion moistureproof power cable with cross-linked polyethylene insulation according to claim 1, is characterized in that, the copper strips layer of described metal screen layer (1-5) to be thickness be 0.11 ~ 0.13mm.
6. anticorrosion moistureproof power cable with cross-linked polyethylene insulation according to claim 1, is characterized in that, described fire-retardant belting layer (2) is LSOH anti-flaming band, and the double-deck wrapped outside in described insulated wire cores (1).
7. anticorrosion moistureproof power cable with cross-linked polyethylene insulation according to claim 1, is characterized in that, the aluminium-plastic tape of described longitudinal water-blocking layer to be thickness be 0.45 ~ 0.55mm.
8. anticorrosion moistureproof power cable with cross-linked polyethylene insulation according to claim 1, is characterized in that, described separator (4) and described restrictive coating (7) are made by halogen-free and low-smoke flame-retardant polyolefin material.
9. anticorrosion moistureproof power cable with cross-linked polyethylene insulation according to claim 1, is characterized in that, described armour (5) forms by aluminium alloy chain armouring Double-layer gap is wrapped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520136562.9U CN204423993U (en) | 2015-03-10 | 2015-03-10 | Anticorrosion moistureproof power cable with cross-linked polyethylene insulation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520136562.9U CN204423993U (en) | 2015-03-10 | 2015-03-10 | Anticorrosion moistureproof power cable with cross-linked polyethylene insulation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204423993U true CN204423993U (en) | 2015-06-24 |
Family
ID=53474342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520136562.9U Expired - Fee Related CN204423993U (en) | 2015-03-10 | 2015-03-10 | Anticorrosion moistureproof power cable with cross-linked polyethylene insulation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204423993U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110322995A (en) * | 2019-06-27 | 2019-10-11 | 上海永进电缆(集团)有限公司 | Crosslinked polyethylene nano-composite insulating cable |
-
2015
- 2015-03-10 CN CN201520136562.9U patent/CN204423993U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110322995A (en) * | 2019-06-27 | 2019-10-11 | 上海永进电缆(集团)有限公司 | Crosslinked polyethylene nano-composite insulating cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150624 Termination date: 20200310 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |