Power cable with high shielding performance, high insulativity and high shock resistance
A high-insulation, power cable technology, applied in the direction of insulated cables, power cables, insulated conductors, etc., can solve the problems of inability to automatically cut off power in case of fire, and lack of automatic wire feeding capabilities
Inactive Publication Date: 2021-11-12
曹文锋
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Problems solved by technology
[0004] The purpose of the present invention is to provide a power cable with high shielding, high insulation and high shock resistance, so as to solve the technical problems in the prior art that there is no automatic wire feeding capability and automatic power off in case of fire.
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[0029] The present invention is described in detail below in conjunction with accompanying drawing:
[0030] refer to Figure 1 to Figure 9 A power cable with high shielding, high insulation and high shock resistance provided by the present invention includes a cable 1, a wire feeder 2, and a safety protector 3, and the outermost layer of the cable 1 is provided with a protective jacket 4. The left part of the inner circumference of the protective jacket 4 is fixedly connected to the left end of the middle connecting bar 72, and the right end of the middle connecting bar 72 is fixedly connected to the left part of the outer circumference of the protective inner sleeve 7. The protective A buffer insulating liquid 5 is arranged between the outer jacket 4 and the protective inner jacket 7, the buffer insulating liquid 5 is mixed with phosphor powder 6, and the top of the inner periphery of the protective inner jacket 7 is in contact with the top of the upper convex groove 8 conn...
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The invention provides a power cable with high shielding performance, high insulativity and high shock resistance. The power cablecomprises a cable conductor, a wire feeder and a safety guarantee device, a protective outer sleeve is arranged on the outermost layer of the cable conductor, the left portion of the inner circumference of the protective outer sleeve is fixedly connected with the left end of a middle connecting strip, the right end of the middle connecting strip is fixedly connected with the left portion of the outer circumference of the protective inner sleeve, buffer insulating liquid is arranged between the protective outer sleeve and the protective inner sleeve, fluorescent powder is mixed in the buffer insulating liquid, the top of the inner circumference of the protective inner sleeve is in contact communication with the top of the upper convex groove, an upper movable piece is arranged in the upper convex groove, the lower side face of the upper movable piece is fixedly connected with the top end of an upper buffer column, and the bottom end of the upper buffer column makes contact with the inner periphery of the bottom of the upper buffer ring. According to the technical scheme, the technical problems that in the prior art, automatic wire feeding capacity is not achieved, and automatic power off cannot be achieved in a fire disaster are effectively solved, and application and popularization are facilitated.
Description
technical field [0001] The invention relates to the technical field of power cables, in particular to a power cable with high shielding, high insulation and high shock resistance. Background technique [0002] Power cables are cables used to transmit and distribute electric energy. Power cables are often used in urban underground power grids, outgoing lines of power stations, internal power supply of industrial and mining enterprises, and underwater transmission lines across rivers and seas. In power lines, the proportion of cables is gradually increasing. Power cables are cable products used to transmit and distribute high-power electric energy in the backbone lines of power systems. [0003] With the development of society and the advancement of science and technology, many power plants, metallurgical enterprises, and petroleum enterprises are developing towards large-scale conglomerates. High-rise buildings, public entertainment venues, subways and underground streets ar...
Claims
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Patent Timeline
Login to View More IPC IPC(8): H01B7/17H01B7/18H01B7/02H01B9/00
CPCH01B7/17H01B7/189H01B7/02H01B7/1895H01B9/00
Inventor 曹文锋
Owner 曹文锋