CN108847314B - Fire-resistant high temperature resistant copper core armor power cable - Google Patents
Fire-resistant high temperature resistant copper core armor power cable Download PDFInfo
- Publication number
- CN108847314B CN108847314B CN201810826258.5A CN201810826258A CN108847314B CN 108847314 B CN108847314 B CN 108847314B CN 201810826258 A CN201810826258 A CN 201810826258A CN 108847314 B CN108847314 B CN 108847314B
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- Prior art keywords
- fire
- retardant
- layer
- heat dissipation
- resistant
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/42—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction
- H01B7/421—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction for heat dissipation
- H01B7/426—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction for heat dissipation using cooling fins, ribs
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
- H01B7/292—Protection against damage caused by extremes of temperature or by flame using material resistant to heat
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
- H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/42—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction
- H01B7/421—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction for heat dissipation
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
- H01B9/02—Power cables with screens or conductive layers, e.g. for avoiding large potential gradients
- H01B9/021—Features relating to screening tape per se
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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 invention discloses a fire-resistant high-temperature-resistant copper core armored power cable, which comprises conductors and a heat dissipation device, wherein three conductors are formed by twisting a plurality of copper wires, three conductors are arranged in a shape like a Chinese character 'ji', a mineral substance insulating layer is extruded on the conductors, a color separation layer is extruded on the mineral substance insulating layer, the heat dissipation device is connected to the outer side of the color separation layer, fire-retardant filling is filled between the three color separation layers, a mica fire-retardant layer is extruded on the shielding layer, the contact area between the surface of a low-smoke halogen-free fire-retardant outer sheath and the outside is increased, and the fire-resistant high-temperature-resistant power cable has excellent fire-resistant performance by arranging a glass fiber fire-retardant belt, a mineral substance fire-resistant heat insulation layer and a mica fire-retardant layer, so that the influence of temperature on the performance of the power cable is reduced, and the normal use of the cable is ensured; the heat dissipation support is arranged inside the traditional cable, the cable dissipates heat through the through hole in the middle of the heat dissipation support when heating at high temperature, the heat dissipation of the cable is improved, and the heat dissipation support is long in service life and applicable to various high-temperature environments.
Description
Technical Field
The invention relates to the technical field of power cables, in particular to a fire-resistant high-temperature-resistant copper core armored power cable.
Background
The power cable is a cable for transmitting and distributing electric energy, and is commonly used for urban underground power grids, power station outgoing lines, power supply in industrial and mining enterprises and power transmission lines under sea water passing through the river. In the electric power line, the proportion of the cable is gradually increasing. Power cables are cable products used in the main line of power systems to transmit and distribute high power electrical energy, including various voltage classes of 1-500KV and above, and various insulated power cables.
Many fires currently occur which can cause cable damage and secondary damage to buildings and personnel, resulting in property loss. Accordingly, one skilled in the art provides a fire-resistant and high temperature-resistant copper core armored power cable to solve the problems set forth in the background art.
Disclosure of Invention
In order to solve the technical problems in the background technology, the invention provides a fire-resistant high-temperature-resistant copper core armored power cable.
The invention provides a fire-resistant high-temperature-resistant copper core armored power cable which comprises conductors and a heat dissipation bracket, wherein the conductors are formed by twisting a plurality of copper wires, the three conductors are arranged in a shape of a finished product, the conductors are extruded with mineral insulation layers, the mineral insulation layers are extruded with color separation layers, the heat dissipation bracket is connected to the outer sides of the color separation layers, flame-retardant filling is filled between the color separation layers, the flame-retardant filling is carried out with extrusion shielding layers, the shielding layers are extruded with mica flame-retardant layers, the mica flame-retardant layers are extruded with mineral fireproof heat insulation layers, the mineral fireproof heat insulation layers are extruded with inner jackets, the inner jackets are extruded with steel belt armor protection layers, the steel belt armor protection layers are extruded with glass fiber flame-retardant belts, and the glass fiber flame-retardant belts are extruded with low smoke halogen-free flame-retardant outer jackets.
As still further aspects of the invention: the heat dissipation support includes the support frame, and the support frame is equipped with three, and three support frames become equilateral triangle setting, and the support frame is inside to be equipped with the tripod, and the tripod passes through fixed block connection support frame inner wall.
As still further aspects of the invention: the three sides of the triangular bracket are connected with springs, and one ends of the springs, which are far away from the triangular bracket, are connected with inner sleeves.
As still further aspects of the invention: the inner sleeve is connected with the inner wall of the groove in a sliding way, and the groove is provided with a limiting block corresponding to the inner sleeve.
As still further aspects of the invention: one end of the inner sleeve, which is far away from the spring, is connected with the supporting plate, and the supporting plate is connected with the outer wall of the color separation layer.
As still further aspects of the invention: the backup pad is equipped with a plurality of through-holes, and the backup pad adopts high temperature resistant ceramic material to make.
Compared with the prior art, the invention has the beneficial effects that:
1. the outer surface of the low-smoke halogen-free flame-retardant outer sheath is arranged in a wave shape, so that the contact area between the surface of the low-smoke halogen-free flame-retardant outer sheath and the outside is increased, and the heat dissipation of the cable is facilitated; the invention is provided with the glass fiber flame-retardant belt, the mineral fireproof heat-insulating layer and the mica flame-retardant layer, so that the cable has excellent fireproof and high-temperature-resistant performance, the influence of temperature on the performance of the power cable is reduced, and the normal use of the cable is ensured.
2. The heat dissipation bracket is arranged in the cable heat dissipation device, and the cable dissipates heat through the through hole in the middle of the heat dissipation bracket when heating at high temperature, so that the heat dissipation of the cable is improved, the service life is long, and the cable heat dissipation device is applicable to various high-temperature environments.
Drawings
Fig. 1 is a schematic structural view of a fire-resistant and high temperature-resistant copper core armored power cable.
Fig. 2 is a schematic structural view of a heat dissipation bracket in a fire-resistant and high-temperature-resistant copper core armored power cable.
Fig. 3 is a schematic structural view of a support plate in a fire-resistant and high-temperature-resistant copper core armored power cable.
In the figure: the fire-retardant outer sheath of 1-low smoke and zero halogen, 2-glass fiber fire-retardant area, 3-steel tape armor inoxidizing coating, 4-inner sheath, 5-mineral substance fire prevention insulating layer, 6-mica fire-retardant layer, 7-shielding layer, 8-fire-retardant packing, 9-color separation layer, 10-mineral substance insulating layer, 11-conductor, 12-heat dissipation support, 13-support frame, 14-backup pad, 15-inner skleeve, 16-recess, 17-stopper, 18-spring, 19-tripod, 20-fixed block, 21-through-hole.
Detailed Description
As shown in fig. 1-3, the fire-resistant high-temperature-resistant copper core armored power cable provided by the invention comprises conductors 11 and heat dissipation brackets 12, wherein the conductors 11 are provided with three conductors, the conductors 11 are formed by twisting a plurality of copper wires, the three conductors 11 are arranged in a shape like a Chinese character 'ji', the conductors 11 are wrapped with mineral insulation layers 10, the mineral insulation layers 10 are wrapped with color separation layers 9, the heat dissipation brackets 12 are connected to the outer sides of the color separation layers 9, flame retardant filling 8 is filled between the color separation layers 9, the flame retardant filling 8 is wrapped with shielding layers 7, the shielding layers 7 are wrapped with mica flame retardant layers 6, the mica flame retardant layers 6 are wrapped with mineral fireproof heat insulation layers 5, the mineral fireproof heat insulation layers 5 are wrapped with inner jackets 4, the inner jackets 4 are wrapped with steel tape armored protective layers 3, the steel tape armored protective layers 3 are wrapped with glass fiber flame retardant tapes 2, the glass fiber flame retardant tapes 2 are wrapped with low smoke halogen-free flame retardant outer jackets 1, and the outer walls of the low smoke halogen free flame retardant outer jackets 1 are arranged into waves.
The heat dissipation support 12 includes support frame 13, and support frame (13) are equipped with three, and three support frame 13 become equilateral triangle setting, and support frame 13 inside is equipped with tripod 19, and tripod 19 passes through fixed block 20 connection support frame 13 inner wall.
The three sides of the tripod 19 are connected with springs 18, and one end of each spring 18 far away from the tripod 19 is connected with the inner sleeve 15.
The inner sleeve 15 is connected with the inner wall of the groove 16 in a sliding manner, and the groove 16 is provided with a limiting block 17 corresponding to the inner sleeve 15.
The end of the inner sleeve 15 remote from the spring 18 is connected to the support plate 14, and the support plate 14 is connected to the outer wall of the colour separation layer 9.
The support plate 14 is provided with a plurality of through holes 21, and the support plate 14 is made of a high-temperature resistant ceramic material.
The working principle of the invention is as follows:
the outer surface of the low-smoke halogen-free flame-retardant outer sheath 1 is arranged in a wave shape, so that the contact area between the surface of the low-smoke halogen-free flame-retardant outer sheath 1 and the outside is increased, and the heat dissipation of a cable is facilitated; the glass fiber flame-retardant tape 2, the mineral fireproof heat-insulating layer 5 and the mica flame-retardant layer 6 are arranged, so that the cable has excellent fireproof high temperature resistance, the influence of temperature on the performance of the power cable is reduced, the cable is prevented from being damaged due to high temperature, and the normal use of the cable is ensured; the heat dissipation bracket 12 is arranged inside the traditional cable, and the cable dissipates heat through the through hole in the middle of the heat dissipation bracket 12 when heating at high temperature, so that the heat dissipation of the cable is improved, the service life is long, and the heat dissipation bracket is applicable to various high-temperature environments.
The present invention is not limited to the above-mentioned embodiments, but any person skilled in the art, based on the technical solution of the present invention and the inventive concept thereof, can be replaced or changed within the scope of the present invention.
Claims (1)
1. The utility model provides a fire-resistant high temperature resistant copper core armor power cable, including conductor (11) and heat dissipation support (12), a serial communication port, conductor (11) are equipped with three, and conductor (11) are twisted with a plurality of copper wires and form, and three conductor (11) finished product font sets up, conductor (11) crowded package mineral substance insulating layer (10), mineral substance insulating layer (10) crowded package colour separation layer (9), heat dissipation support (12) are connected in colour separation layer (9) outside, pack fire-retardant packing (8) between colour separation layer (9), fire-retardant packing (8) crowded package shielding layer (7), shielding layer (7) crowded package mica fire-retardant layer (6), mica fire-retardant layer (6) crowded package mineral substance fire prevention insulating layer (5), mineral substance fire prevention insulating layer (5) crowded package inner sheath (4), inner sheath (4) crowded package steel tape armor protective layer (3), steel tape armor protective layer (3) crowded package glass silk fire-retardant tape (2), glass silk fire-retardant tape (2) crowded package low smoke halogen-free fire-retardant oversheath;
the heat dissipation support (12) comprises three support frames (13), the three support frames (13) are arranged in an equilateral triangle, a triangular support (19) is arranged in the support frames (13), and the triangular support (19) is connected with the inner wall of the support frames (13) through a fixed block (20);
the outer sides of three sides of the triangular bracket (19) are connected with springs (18), and one end of each spring (18) far away from the triangular bracket (19) is connected with an inner sleeve (15);
the inner sleeve (15) is connected with the inner wall of the groove (16) in a sliding way, and the groove (16) is provided with a limiting block (17) corresponding to the inner sleeve (15);
one end of the inner sleeve (15) far away from the spring (18) is connected with the supporting plate (14), and the supporting plate (14) is connected with the outer wall of the color separation layer (9);
the supporting plate (14) is provided with a plurality of through holes (21), and the supporting plate (14) is made of high-temperature-resistant ceramic materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810826258.5A CN108847314B (en) | 2018-07-25 | 2018-07-25 | Fire-resistant high temperature resistant copper core armor power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810826258.5A CN108847314B (en) | 2018-07-25 | 2018-07-25 | Fire-resistant high temperature resistant copper core armor power cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108847314A CN108847314A (en) | 2018-11-20 |
| CN108847314B true CN108847314B (en) | 2023-06-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810826258.5A Active CN108847314B (en) | 2018-07-25 | 2018-07-25 | Fire-resistant high temperature resistant copper core armor power cable |
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| Country | Link |
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| CN (1) | CN108847314B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104681195A (en) * | 2015-01-31 | 2015-06-03 | 安徽华泰电缆科技有限公司 | Heat-insulated flame-retarded corrosion-resistant power cable |
| CN205984388U (en) * | 2016-08-30 | 2017-02-22 | 陈建学 | Novel heat dissipation, high temperature resistance cable envelope curve |
| CN206833982U (en) * | 2017-05-21 | 2018-01-02 | 泰通线缆有限公司 | Extrusion insulating power cable |
| CN206849562U (en) * | 2017-06-21 | 2018-01-05 | 江西吉恩重工有限公司 | A kind of antidetonation waterproof cable |
| CN207441288U (en) * | 2017-11-29 | 2018-06-01 | 乐庭电线工业（常州）有限公司 | A kind of resistance to compression breakage-proof cable of band buffering blister cavities |
| CN207651208U (en) * | 2018-01-06 | 2018-07-24 | 丁大电缆科技有限公司 | A kind of flexible mineral matter insulated cable |
-
2018
- 2018-07-25 CN CN201810826258.5A patent/CN108847314B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104681195A (en) * | 2015-01-31 | 2015-06-03 | 安徽华泰电缆科技有限公司 | Heat-insulated flame-retarded corrosion-resistant power cable |
| CN205984388U (en) * | 2016-08-30 | 2017-02-22 | 陈建学 | Novel heat dissipation, high temperature resistance cable envelope curve |
| CN206833982U (en) * | 2017-05-21 | 2018-01-02 | 泰通线缆有限公司 | Extrusion insulating power cable |
| CN206849562U (en) * | 2017-06-21 | 2018-01-05 | 江西吉恩重工有限公司 | A kind of antidetonation waterproof cable |
| CN207441288U (en) * | 2017-11-29 | 2018-06-01 | 乐庭电线工业（常州）有限公司 | A kind of resistance to compression breakage-proof cable of band buffering blister cavities |
| CN207651208U (en) * | 2018-01-06 | 2018-07-24 | 丁大电缆科技有限公司 | A kind of flexible mineral matter insulated cable |
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| Publication number | Publication date |
|---|---|
| CN108847314A (en) | 2018-11-20 |
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