Novel high-temperature-resistant power cable

Abstract

The utility model relates to a novel high-temperature-resistant power cable. The power cable comprises a plurality of insulated wire cores; each insulating wire core comprises a plurality of conductors, a first high-temperature-resistant wrapping tape, a semi-conductive conductor shielding layer, an insulating layer, a semi-conductive insulating shielding layer and a copper tape shielding layer. Flame-retardant fillers are arranged among the plurality of insulating wire cores; a double-layer high-temperature-resistant wrapping tape II is wrapped outside the plurality of insulating wire cores to form a cable core, an isolation sleeve is extruded outside the cable core, a galvanized steel tape armoring layer is wrapped outside the isolation sleeve, a high-temperature-resistant wrapping tape III is wrapped outside the galvanized steel tape armoring layer, and an outer sheath is extruded outside the high-temperature-resistant wrapping tape III. The cable has high temperature resistance, corrosion resistance, excellent light resistance, tensile strength, thermal aging resistance and the like, can normally and stably work at rated high temperature, has no influence on electric energy transmission performance, ensures that the cable has longer service life, and can be widely applied to high-temperature electric power transmission in the industries of steel, metallurgy, chemical engineering and the like.

Description

Technical Field

[0001] This utility model relates to a power cable, and more particularly to a novel high-temperature resistant power cable. Background Technology

[0002] With the development of the petroleum, chemical, and manufacturing industries, as well as changes in the ecological environment, various special cables have emerged in the related cable manufacturing industry. When ordinary cables are laid vertically or towed, the cathode area, if the soil does not contain alkaline liquids... Cable There won't be Corrosion While there is a risk of corrosion at high temperatures, corrosion is inevitable at the anodic zone. Furthermore, high temperatures can easily lead to insulation aging and scorching, causing the cable to lose its performance and become unusable. Traditional high-temperature cables can only meet mechanical performance requirements, not insulation requirements. Therefore, a cable suitable for operation in high-temperature environments has been developed. Utility Model Content

[0003] The purpose of this invention is to provide a new type of high-temperature resistant power cable with high temperature resistance, corrosion resistance, light resistance, and tensile strength, so as to solve the problems in the prior art.

[0004] The technical solution of this utility model is: a new type of high-temperature resistant power cable, wherein the power cable comprises multiple insulated cores;

[0005] The insulated core comprises several conductors, a high-temperature resistant wrapping tape, a semi-conductive conductor shielding layer, an insulating layer, a semi-conductive insulating shielding layer, and a copper strip shielding layer. The conductors are wrapped with the high-temperature resistant wrapping tape, the high-temperature resistant wrapping tape is extruded with the semi-conductive conductor shielding layer, the semi-conductive conductor shielding layer is extruded with the insulating layer, the insulating layer is extruded with the semi-conductive insulating shielding layer, and the semi-conductive insulating shielding layer is wrapped with the copper strip shielding layer to form the core.

[0006] Flame-retardant filler is provided between the multiple insulated wire cores;

[0007] The cable core consists of two layers of insulated wire cores wrapped with double-layer high-temperature resistant wrapping tape. The cable core is then wrapped with an isolation sleeve. The isolation sleeve is wrapped with a galvanized steel tape armor layer. The galvanized steel tape armor layer is wrapped with a third layer of high-temperature resistant wrapping tape. The third layer of high-temperature resistant wrapping tape is then wrapped with an outer sheath.

[0008] Preferably, the conductor is a nickel-plated copper conductor conforming to GB / T 3956.

[0009] Preferably, the high-temperature resistant wrapping tape one, high-temperature resistant wrapping tape two, and high-temperature resistant wrapping tape three are high-silica glass fiber yarn wrapping tapes, and the high-silica glass fiber yarn wrapping tapes are impregnated with a high-temperature resistant coating liquid.

[0010] Preferably, the insulating layer is a polytetrafluoroethylene insulating layer.

[0011] Preferably, the flame-retardant filling is a high-flame-retardant glass fiber rope filling.

[0012] Preferably, the isolation sleeve is a ceramicized thermoplastic elastomer isolation sleeve.

[0013] Preferably, the outer sheath is a polytetrafluoroethylene outer sheath.

[0014] The beneficial effects of the utility model are: the product has high-temperature resistance, corrosion resistance and excellent light resistance, tensile resistance, heat aging resistance and other properties, can normally and stably work under rated high temperature, the electric energy transmission performance is not affected, ensures that the cable has long service life, can be widely applied to high-temperature electric power transmission suitable for steel, metallurgy, chemical industry and other industries. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the structural schematic diagram of the utility model.

[0016] In the figure, 1 is a conductor, 2 is a high-temperature resistant wrapping tape, 3 is a semi-conductive conductor shielding layer, 4 is an insulating layer, 5 is a semi-conductive insulating shielding layer, 6 is a copper tape shielding layer, 7 is a flame-retardant filling, 8 is a high-temperature resistant wrapping tape, 9 is an isolation sleeve, 10 is a galvanized steel tape armor layer, 11 is a high-temperature resistant wrapping tape, and 12 is an outer sheath. DETAILED DESCRIPTION

[0017] A novel high-temperature resistant power cable, the power cable comprises a plurality of insulated cores;

[0018] The insulated core comprises a plurality of conductors 1, a high-temperature resistant wrapping tape 2, a semi-conductive conductor shielding layer 3, an insulating layer 4, a semi-conductive insulating shielding layer 5 and a copper tape shielding layer 6, the conductor 1 is wrapped with the high-temperature resistant wrapping tape 2, the high-temperature resistant wrapping tape 2 is extruded with the semi-conductive conductor shielding layer 3, the semi-conductive conductor shielding layer 3 is extruded with the insulating layer 4, the insulating layer 4 is extruded with the semi-conductive insulating shielding layer 5, and the semi-conductive insulating shielding layer 5 is wrapped with the copper tape shielding layer 6 to form a core.

[0019] The flame-retardant filling 7 is arranged between the plurality of insulated cores.

[0020] The plurality of insulated cores are wrapped with double high-temperature resistant wrapping tapes 8 to form a cable core, the cable core is extruded with the isolation sleeve 9, the isolation sleeve 9 is wrapped with the galvanized steel tape armor layer 10, the galvanized steel tape armor layer 10 is wrapped with the high-temperature resistant wrapping tape 11, and the high-temperature resistant wrapping tape 11 is extruded with the outer sheath 12.

[0021] The conductor 1 is a nickel-plated copper conductor in accordance with GB / T 3956, having the effects of high temperature resistance and corrosion resistance.

[0022] The high-temperature-resistant wrapping tape 2, the high-temperature-resistant wrapping tape 8 and the high-temperature-resistant wrapping tape 11 are high-silica glass fiber yarn wrapping tapes, which are impregnated with a high-temperature-resistant coating liquid to improve the high-temperature resistance of the conductor.

[0023] The insulation layer 4 is a polytetrafluoroethylene insulation layer.

[0024] The flame-retardant filling 7 is a high-flame-retardant glass fiber rope filling.

[0025] The isolation sleeve 9 is a ceramicized thermoplastic elastomer isolation sleeve.

[0026] The outer sheath 12 is a polytetrafluoroethylene outer sheath.

[0027] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A novel high-temperature resistant power cable, characterized in that: The power cable includes multiple insulated cores; The insulated wire core includes several conductors (1), a high-temperature resistant wrapping tape (2), a semi-conductive conductor shielding layer (3), an insulating layer (4), a semi-conductive insulating shielding layer (5), and a copper strip shielding layer (6). The conductors (1) are wrapped with the high-temperature resistant wrapping tape (2), the high-temperature resistant wrapping tape (2) is extruded with the semi-conductive conductor shielding layer (3), the semi-conductive conductor shielding layer (3) is extruded with the insulating layer (4), the insulating layer (4) is extruded with the semi-conductive insulating shielding layer (5), and the semi-conductive insulating shielding layer (5) is wrapped with the copper strip shielding layer (6) to form the wire core. Flame-retardant filler is provided between the multiple insulated wire cores (7); The multiple insulated wire cores are wrapped with double-layer high-temperature resistant wrapping tape two (8) to form a cable core, the cable core is extruded with an isolation sleeve (9), the isolation sleeve (9) is wrapped with a galvanized steel tape armor layer (10), the galvanized steel tape armor layer (10) is wrapped with a high-temperature resistant wrapping tape three (11), and the high-temperature resistant wrapping tape three (11) is extruded with an outer sheath (12).

2. The novel high-temperature resistant power cable according to claim 1, characterized in that: The conductor (1) is a nickel-plated copper conductor conforming to GB / T 3956.

3. The novel high-temperature resistant power cable according to claim 1, characterized in that: The high-temperature resistant wrapping tape one (2), high-temperature resistant wrapping tape two (8), and high-temperature resistant wrapping tape three (11) are high-silica glass fiber yarn wrapping tapes, which are impregnated with a high-temperature resistant coating liquid.

4. The novel high-temperature resistant power cable according to claim 1, characterized in that: The insulating layer (4) is a polytetrafluoroethylene insulating layer.

5. A novel high-temperature resistant power cable according to claim 1, characterized in that: The flame-retardant filler (7) is a high flame-retardant glass fiber rope filler.

6. A novel high-temperature resistant power cable according to claim 1, characterized in that: The isolation sleeve (9) is a ceramicized thermoplastic elastomer isolation sleeve.

7. A novel high-temperature resistant power cable according to claim 1, characterized in that: The outer sheath (12) is a polytetrafluoroethylene outer sheath.

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