CN208796698U - A kind of fire resistant anticorrosive power cable - Google Patents
A kind of fire resistant anticorrosive power cable Download PDFInfo
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- CN208796698U CN208796698U CN201821337652.4U CN201821337652U CN208796698U CN 208796698 U CN208796698 U CN 208796698U CN 201821337652 U CN201821337652 U CN 201821337652U CN 208796698 U CN208796698 U CN 208796698U
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Abstract
The utility model discloses a kind of fire resistant anticorrosive power cables, including including cable core, filled layer and the non-woven fabrics belting layer being successively coated on outside cable core, inner sheath, braided steel wire shielded layer, steel-tape armouring layer and pvc sheath layer, pvc sheath layer is coated with high-temperature resistant anti-corrosive layer, fireproof mica belt is also wrapped on outside high-temperature resistant anti-corrosive layer, cable core includes core and tensile core, core is mutually twisted centered on surrounding the tensile core, core includes conductor and the insulating layer that is coated on outside conductor, insulating layer is coated with heat-conducting layer, aramid fiber flame-retardant layer is also wrapped on outside heat-conducting layer, the section of conductor is in regular hexagon shape.The utility model has many advantages, such as that high temperature resistant, anticorrosion, pull resistance strong, fire prevention, long service life, safety coefficient are high compared with prior art.
Description
Technical field
The utility model relates to power cable field more particularly to a kind of fire resistant anticorrosive power cables.
Background technique
Power cable is the cable for being used for transmission and distributing electric energy, and power cable is usually used in Urban Underground power grid, power station
Lead line, industrial and mining enterprises' in-line power and mistake river sea submarine transmission line.In power circuit, cable proportion just gradually increases
Add.Power cable is in the basic routing line of electric system to the cable product for transmitting and distributing high-power power, including 1-
The various voltage class of 500KV and 500KV or more.The many situations of power cable are applied in rugged environments such as high temperature, corrosion
In, this has very high requirement to traditional power cable heat-resisting quantity and anticorrosive property, and traditional power cable uses some modelings
Expect insulating layer and protective layer of the material as power cable, does not do other safeguard measures, the high temperature resistant and anticorrosion of cable
Performance is not by far up to the mark, simultaneously as there are gaps between conductor and insulating layer, in power cable between several conductors
In production and use process, the air with oxygen can be entered in gap, and during prolonged use, oxygen can be to leading
Body portion causes certain oxidation, influences the performance of cable transmission electricity, in addition, traditional power cable pull resistance is poor, more
The phenomenon that fracture, distortion, deformation are easy to appear after secondary stretching.Against the above technical problems, the utility model discloses a kind of resistance to
Squeeze High-strength power cable, the utility model has that high temperature resistant, anticorrosion, pull resistance be strong, fire prevention, long service life, safety
The advantages that coefficient is high.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of fire resistant anticorrosive electric power electricity
Cable, with solution, power cable high temperature resistant and anticorrosive property are weak in the prior art, fire protecting performance is poor, pull resistance is weak, and power cable makes
With the service life is low, safety coefficient is low, the technical problems such as easy oxidation by air of conductor in power cable.The utility model has resistance to height
The advantages that temperature, anticorrosion, pull resistance be strong, fire prevention, long service life, high safety coefficient.
The utility model is achieved through the following technical solutions: the utility model discloses a kind of fire resistant anticorrosive electric power electricity
Cable including cable core, filled layer and is successively coated on non-woven fabrics belting layer, inner sheath, braided steel wire shielded layer, steel band outside cable core
Armor and pvc sheath layer, pvc sheath layer are coated with high-temperature resistant anti-corrosive layer, also wrap outside high-temperature resistant anti-corrosive layer
It is covered with fireproof mica belt, cable core includes core and tensile core, and core is mutually twisted centered on surrounding tensile core, and core includes leading
Body and the insulating layer being coated on outside conductor, insulating layer are coated with heat-conducting layer, aramid fiber flame-retardant layer are also wrapped on outside heat-conducting layer.
Further, for the surface area of the increase cable under same cross-sectional area, reduce the equivalent resistance under alternating current,
While in order to increase the flexibility of power cable, the bending radius of power cable is reduced, the number of core is designed as no less than one
A, each core is mutually hinged to form by the copper core conductor, aluminium core conductor or aluminium alloy conductor that are no less than one respectively, while not
Core less than one is also around mutually twisted centered on tensile core.
Further, in order to reduce the gap between conductor, between conductor and insulating layer, prevent air from entering in gap
Oxidic conductors, the cross section of conductor are designed as regular hexagon, and the conductor of regular hexagon gapless can stick together, certain
Reduce oxidation of the air to conductor in degree.
Further, in order to fill the gap between electric-cable core and non-woven fabrics belting layer, increase the stabilization of cable core
Property, the service life of power cable is improved, and also to reduce the cost of manufacture of power cable, filled layer is restricted using PP or fiber crops
Material of restricting is filled.
Further, in order to preferably protect cable core, increase the stability of cable core, inner sheath uses PVC material or aluminium
Alloy material is made.
Further, polyvinyl chloride oversheath is exposed under high temperature, strong corrosive environment and is oxidized for a long time in order to prevent
Corrosion, and also to increase the heat-resisting quantity of power cable, polyvinyl chloride oversheath is coated with high-temperature resistant anti-corrosive layer, resistance to height
Warm erosion resistant coating is polytetrafluoroethylene material layer.
Further, in order to increase the tensile property of power cable, tensile core is made of nylon rope material, it is therefore prevented that electricity
Phenomena such as there is fracture, distortion and deformation during multi-drawing in power cable, improves the service life of power cable.
Further, for the heat generated during good conduct power cable work, prevent heat from concentrating on one
Point causes the damage of power cable, and also design is coated with heat-conducting layer outside the insulating layer of core, and the material of heat-conducting layer is heat conductive insulating
Silica gel material or heat conductive insulating ceramic material, heat-conducting layer can in time conduct power cable work when the heat that generates.
The utility model has the advantage that 1) the utility model high temperature resistant.2) the utility model anticorrosive property is strong.3) originally
Utility model pull resistance is strong.4) the utility model has fire line.5) the utility model long service life.6) the utility model is pacified
Overall coefficient is high.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the utility model cable core structure schematic diagram；
Fig. 3 is the utility model core structure schematic diagram.
Specific embodiment
It elaborates below to the embodiments of the present invention, the present embodiment before being with technical solutions of the utility model
It puts and is implemented, the detailed implementation method and specific operation process are given, but the protection scope of the utility model is unlimited
In following embodiments.
Embodiment 1
Embodiment 1 discloses a kind of fire resistant anticorrosive power cable, including cable core 1, filled layer 2 and is successively coated on cable
Non-woven fabrics belting layer 3, inner sheath 4, braided steel wire shielded layer 5, steel-tape armouring layer 6 and pvc sheath layer 7 outside core 1 gather
Vinyl chloride restrictive coating 7 is coated with high-temperature resistant anti-corrosive layer 8, and fireproof mica belt 9, cable core 1 are also wrapped on outside high-temperature resistant anti-corrosive layer 8
Including core 10 and tensile core 11, core 10 is mutually twisted centered on surrounding tensile core 11, and core 10 includes conductor 12 and cladding
Insulating layer 13 outside conductor 12, insulating layer 13 are coated with heat-conducting layer 14, and it is fire-retardant to be also wrapped on aramid fiber outside heat-conducting layer 14
Layer 15, core 10 include no less than one conductor 12, and mutually twisted and conductor 12 the cross section of conductor 12 is in regular hexagon,
Conductor 12 is copper core conductor, aluminium core conductor or aluminium alloy conductor, and the number of core 10 is no less than one, and inner sheath 4 uses PVC material
Material or aluminum alloy materials are made, and high-temperature resistant anti-corrosive layer 8 is polytetrafluoroethylene material layer, and tensile core 11 is nylon rope.This implementation
In example, filled layer 2 is heat conductive insulating silica gel material using PP rope filling, the material of heat-conducting layer 14.Traditional power cable can be held
The maximum operation temperature received is 90 DEG C, and the present embodiment significantly improves electric power electricity by high-temperature resistant anti-corrosive layer and fireproof mica belt
The high temperature resistance of cable, it is 450 DEG C that the power cable of the present embodiment, which can bear maximum operating temperature, and power cable can permanent worker
Make in 300 DEG C of environment, while the degree of polymerization of the crosslinked polyethylene sheath of traditional power cable is in the 10^3 order of magnitude, and gathers
The degree of polymerization of tetrafluoroethene is in the 10^4 order of magnitude, polytetrafluoroethylene (PTFE) energy concentrated sulfuric acid resistant, concentrated nitric acid, concentrated hydrochloric acid, traditional polychlorostyrene second
The sodium hydroxide of sulfuric acid, the nitric acid that concentration is 60% and concentration 20% that alkene insulating layer can be 90% with resistance to concentrated hydrochloric acid, concentration, from
And the corrosion resistance of polytetrafluoroethylene (PTFE) is stronger, therefore, the present embodiment uses polytetrafluoroethylene (PTFE) high-temperature resistant anti-corrosive layer, heat-resisting quantity
Significant raising can have been obtained with antiseptic property.
Embodiment 2
Embodiment 2 discloses a kind of fire resistant anticorrosive power cable, including cable core 1, filled layer 2 and is successively coated on cable
Non-woven fabrics belting layer 3, inner sheath 4, braided steel wire shielded layer 5, steel-tape armouring layer 6 and pvc sheath layer 7 outside core 1 gather
Vinyl chloride restrictive coating 7 is coated with high-temperature resistant anti-corrosive layer 8, and fireproof mica belt 9, cable core 1 are also wrapped on outside high-temperature resistant anti-corrosive layer 8
Including core 10 and tensile core 11, core 10 is mutually twisted centered on surrounding tensile core 11, and core 10 includes conductor 12 and cladding
Insulating layer 13 outside conductor 12, insulating layer 13 are coated with heat-conducting layer 14, and it is fire-retardant to be also wrapped on aramid fiber outside heat-conducting layer 14
Layer 15, core 10 include no less than one conductor 12, and mutually twisted and conductor 12 the cross section of conductor 12 is in regular hexagon,
Conductor 12 is copper core conductor, aluminium core conductor or aluminium alloy conductor, and the number of core 10 is no less than one, and inner sheath 4 uses PVC material
Material or aluminum alloy materials are made, and high-temperature resistant anti-corrosive layer 8 is polytetrafluoroethylene material layer, and tensile core 11 is nylon rope.This implementation
In example, filled layer 2 is filled using the rope made of hemp, and the material of heat-conducting layer 14 is heat conductive insulating silica gel material.Traditional power cable can be held
The maximum operation temperature received is 90 DEG C, and the present embodiment significantly improves electric power electricity by high-temperature resistant anti-corrosive layer and fireproof mica belt
The high temperature resistance of cable, it is 450 DEG C that the power cable of the present embodiment, which can bear maximum operating temperature, and power cable can permanent worker
Make in 300 DEG C of environment, while the degree of polymerization of the crosslinked polyethylene sheath of traditional power cable is in the 10^3 order of magnitude, and gathers
The degree of polymerization of tetrafluoroethene is in the 10^4 order of magnitude, polytetrafluoroethylene (PTFE) energy concentrated sulfuric acid resistant, concentrated nitric acid, concentrated hydrochloric acid, traditional polychlorostyrene second
The sodium hydroxide of sulfuric acid, the nitric acid that concentration is 60% and concentration 20% that alkene insulating layer can be 90% with resistance to concentrated hydrochloric acid, concentration, from
And the corrosion resistance of polytetrafluoroethylene (PTFE) is stronger, therefore, the present embodiment uses polytetrafluoroethylene (PTFE) high-temperature resistant anti-corrosive layer, heat-resisting quantity
Significant raising can have been obtained with antiseptic property.
Embodiment 3
Embodiment 3 discloses a kind of fire resistant anticorrosive power cable, including cable core 1, filled layer 2 and is successively coated on cable
Non-woven fabrics belting layer 3, inner sheath 4, braided steel wire shielded layer 5, steel-tape armouring layer 6 and pvc sheath layer 7 outside core 1 gather
Vinyl chloride restrictive coating 7 is coated with high-temperature resistant anti-corrosive layer 8, and fireproof mica belt 9, cable core 1 are also wrapped on outside high-temperature resistant anti-corrosive layer 8
Including core 10 and tensile core 11, core 10 is mutually twisted centered on surrounding tensile core 11, and core 10 includes conductor 12 and cladding
Insulating layer 13 outside conductor 12, insulating layer 13 are coated with heat-conducting layer 14, and it is fire-retardant to be also wrapped on aramid fiber outside heat-conducting layer 14
Layer 15, core 10 include no less than one conductor 12, and mutually twisted and conductor 12 the cross section of conductor 12 is in regular hexagon,
Conductor 12 is copper core conductor, aluminium core conductor or aluminium alloy conductor, and the number of core 10 is no less than one, and inner sheath 4 uses PVC material
Material or aluminum alloy materials are made, and high-temperature resistant anti-corrosive layer 8 is polytetrafluoroethylene material layer, and tensile core 11 is nylon rope.This implementation
In example, filled layer 2 is heat conductive insulating ceramic material using PP rope filling, the material of heat-conducting layer 14.Traditional power cable can be held
The maximum operation temperature received is 90 DEG C, and the present embodiment significantly improves electric power electricity by high-temperature resistant anti-corrosive layer and fireproof mica belt
The high temperature resistance of cable, it is 450 DEG C that the power cable of the present embodiment, which can bear maximum operating temperature, and power cable can permanent worker
Make in 300 DEG C of environment, while the degree of polymerization of the crosslinked polyethylene sheath of traditional power cable is in the 10^3 order of magnitude, and gathers
The degree of polymerization of tetrafluoroethene is in the 10^4 order of magnitude, polytetrafluoroethylene (PTFE) energy concentrated sulfuric acid resistant, concentrated nitric acid, concentrated hydrochloric acid, traditional polychlorostyrene second
The sodium hydroxide of sulfuric acid, the nitric acid that concentration is 60% and concentration 20% that alkene insulating layer can be 90% with resistance to concentrated hydrochloric acid, concentration, from
And the corrosion resistance of polytetrafluoroethylene (PTFE) is stronger, therefore, the present embodiment uses polytetrafluoroethylene (PTFE) high-temperature resistant anti-corrosive layer, heat-resisting quantity
Significant raising can have been obtained with antiseptic property.
Embodiment 4
Embodiment 4 discloses a kind of fire resistant anticorrosive power cable, including cable core 1, filled layer 2 and is successively coated on cable
Non-woven fabrics belting layer 3, inner sheath 4, braided steel wire shielded layer 5, steel-tape armouring layer 6 and pvc sheath layer 7 outside core 1 gather
Vinyl chloride restrictive coating 7 is coated with high-temperature resistant anti-corrosive layer 8, and fireproof mica belt 9, cable core 1 are also wrapped on outside high-temperature resistant anti-corrosive layer 8
Including core 10 and tensile core 11, core 10 is mutually twisted centered on surrounding tensile core 11, and core 10 includes conductor 12 and cladding
Insulating layer 13 outside conductor 12, insulating layer 13 are coated with heat-conducting layer 14, and it is fire-retardant to be also wrapped on aramid fiber outside heat-conducting layer 14
Layer 15, core 10 include no less than one conductor 12, and mutually twisted and conductor 12 the cross section of conductor 12 is in regular hexagon,
Conductor 12 is copper core conductor, aluminium core conductor or aluminium alloy conductor, and the number of core 10 is no less than one, and inner sheath 4 uses PVC material
Material or aluminum alloy materials are made, and high-temperature resistant anti-corrosive layer 8 is polytetrafluoroethylene material layer, and tensile core 11 is nylon rope.This implementation
In example, filled layer 2 is filled using the rope made of hemp, and the material of heat-conducting layer 14 is heat conductive insulating ceramic material.Traditional power cable can be held
The maximum operation temperature received is 90 DEG C, and the present embodiment significantly improves electric power electricity by high-temperature resistant anti-corrosive layer and fireproof mica belt
The high temperature resistance of cable, it is 450 DEG C that the power cable of the present embodiment, which can bear maximum operating temperature, and power cable can permanent worker
Make in 300 DEG C of environment, while the degree of polymerization of the crosslinked polyethylene sheath of traditional power cable is in the 10^3 order of magnitude, and gathers
The degree of polymerization of tetrafluoroethene is in the 10^4 order of magnitude, polytetrafluoroethylene (PTFE) energy concentrated sulfuric acid resistant, concentrated nitric acid, concentrated hydrochloric acid, traditional polychlorostyrene second
The sodium hydroxide of sulfuric acid, the nitric acid that concentration is 60% and concentration 20% that alkene insulating layer can be 90% with resistance to concentrated hydrochloric acid, concentration, from
And the corrosion resistance of polytetrafluoroethylene (PTFE) is stronger, therefore, the present embodiment uses polytetrafluoroethylene (PTFE) high-temperature resistant anti-corrosive layer, heat-resisting quantity
Significant raising can have been obtained with antiseptic property.
Claims (9)
1. a kind of fire resistant anticorrosive power cable, including cable core, filled layer and successively it is coated on non-woven fabrics band outside cable core
Layer, inner sheath, braided steel wire shielded layer, steel-tape armouring layer and pvc sheath layer, which is characterized in that the polyvinyl chloride shield
Jacket layer is coated with high-temperature resistant anti-corrosive layer, is also wrapped on fireproof mica belt outside the high-temperature resistant anti-corrosive layer, the cable core includes
Core and tensile core, the core surround mutually twisted centered on the tensile core, and the core includes that conductor and being coated on is led
External insulating layer, the insulating layer are coated with heat-conducting layer, aramid fiber flame-retardant layer are also wrapped on outside the heat-conducting layer.
2. fire resistant anticorrosive power cable as described in claim 1, which is characterized in that the core includes no less than one
Conductor, the conductor is mutually twisted and the cross section of the conductor is in regular hexagon.
3. fire resistant anticorrosive power cable as claimed in claim 2, which is characterized in that the conductor is copper core conductor, aluminium
Core conductor or aluminium alloy conductor.
4. fire resistant anticorrosive power cable as described in claim 1, which is characterized in that the filled layer is restricted using PP or fiber crops
Material of restricting is filled.
5. fire resistant anticorrosive power cable as described in claim 1, which is characterized in that the number of the core is no less than one
It is a.
6. fire resistant anticorrosive power cable as described in claim 1, which is characterized in that the inner sheath uses PVC material
Or aluminum alloy materials are made.
7. fire resistant anticorrosive power cable as described in claim 1, which is characterized in that the high-temperature resistant anti-corrosive layer is poly- four
Fluoride material layer.
8. fire resistant anticorrosive power cable as described in claim 1, which is characterized in that the tensile core is nylon rope.
9. fire resistant anticorrosive power cable as described in claim 1, which is characterized in that the material of the heat-conducting layer is thermally conductive
Insulate silica gel material or heat conductive insulating ceramic material.
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| CN201821337652.4U CN208796698U (en) | 2018-08-20 | 2018-08-20 | A kind of fire resistant anticorrosive power cable |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110517822A (en) * | 2019-07-31 | 2019-11-29 | 由中国 | A kind of etch-proof aluminium alloy cable of fire resisting and preparation method thereof |
| CN110957066A (en) * | 2019-11-23 | 2020-04-03 | 安徽华星电缆集团有限公司 | High-temperature-resistant corrosion-resistant new energy automobile cable |
| CN115691884A (en) * | 2022-12-19 | 2023-02-03 | 江苏江扬特种电缆有限公司 | Novel dampproofing photovoltaic cable |
-
2018
- 2018-08-20 CN CN201821337652.4U patent/CN208796698U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110517822A (en) * | 2019-07-31 | 2019-11-29 | 由中国 | A kind of etch-proof aluminium alloy cable of fire resisting and preparation method thereof |
| CN110957066A (en) * | 2019-11-23 | 2020-04-03 | 安徽华星电缆集团有限公司 | High-temperature-resistant corrosion-resistant new energy automobile cable |
| CN115691884A (en) * | 2022-12-19 | 2023-02-03 | 江苏江扬特种电缆有限公司 | Novel dampproofing photovoltaic cable |
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