Low-voltage power supply cable
A low-voltage power supply and cable technology, applied in the field of power cables, can solve the problems of poor electrical insulation performance and cold resistance, poor cable flexibility and bending performance, unstable cable structure, etc. The effect of environmental adaptability
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Embodiment 1
[0024] A low-voltage power cable, comprising: a set of insulated wire cores, a wrapping layer 2 wrapped outside a set of insulated wire cores, a shielding layer 1 wrapped outside the wrapping layer 2, and a wrapping layer wrapped outside the shielding layer 1 The outer sheath 6; the group of insulated wire cores is composed of the oppositely arranged live wire insulated wire core 3 and the neutral wire insulated wire core 4, and the oppositely arranged first spare insulated wire core 5 and the second spare insulated wire core 7 The insulated wire cores are all composed of conductive wire cores and insulating layers coated on the conductive wire cores; the conductive wire cores are all twisted from 24 to 224 tough copper wires;
[0025] The live wire insulated wire core 3 and the neutral wire insulated wire core 4 are composed of 84 tough copper wire bundles with a diameter of 0.15 mm and a cross-sectional area of 1.5 mm. 2 The conductive wire core and the insulating layer co...
Embodiment 2
[0027] A low-voltage power cable, comprising: a set of insulated wire cores, a wrapping layer 2 wrapped outside a set of insulated wire cores, a shielding layer 1 wrapped outside the wrapping layer 2, and a wrapping layer wrapped outside the shielding layer 1 The outer sheath 6; the group of insulated wire cores is composed of the oppositely arranged live wire insulated wire core 3 and the neutral wire insulated wire core 4, and the oppositely arranged first spare insulated wire core 5 and the second spare insulated wire core 7 The insulated wire cores are all composed of conductive wire cores and insulating layers coated on the conductive wire cores; the conductive wire cores are all twisted from 24 to 224 tough copper wires;
[0028] The insulated wire core 3 of the live wire and the insulated wire core 4 of the neutral wire are twisted into one strand by every 19 tough copper wire bundles with a diameter of 0.15 mm, and then 7 strands are re-twisted to form a cross-sectional...
Embodiment 3
[0030] A low-voltage power cable, comprising: a set of insulated wire cores, a wrapping layer 2 wrapped outside a set of insulated wire cores, a shielding layer 1 wrapped outside the wrapping layer 2, and a wrapping layer wrapped outside the shielding layer 1 The outer sheath 6; the group of insulated wire cores is composed of the oppositely arranged live wire insulated wire core 3 and the neutral wire insulated wire core 4, and the oppositely arranged first spare insulated wire core 5 and the second spare insulated wire core 7 The insulated wire cores are all composed of conductive wire cores and insulating layers coated on the conductive wire cores; the conductive wire cores are all twisted from 24 to 224 tough copper wires;
[0031] The insulated wire core 3 of the live wire and the insulated wire core 4 of the neutral wire are twisted into one strand by 32 ductile copper wire bundles each with a diameter of 0.15 mm, and then 7 strands are re-twisted to form a cross-sectiona...
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Abstract
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