High-voltage transmission power cable
A power cable and high-voltage transmission technology, which is applied to power cables with shielding layers/conductive layers, insulated cables, cables, etc., can solve the problems of potential safety hazards in transmission lines, difficult to find protective layers, etc., and achieve safe protection and stable fixation Effect
Inactive Publication Date: 2016-05-25
谢春梅
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Problems solved by technology
[0008] The technical problems to be solved by the present invention are: first, it is difficult to be found when thieves steal the protective layer of the high-voltage transmission power cable, which leaves a great potential safety hazard for the transmission line. The location of the theft is immediately discovered
Method used
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Embodiment Construction
[0035] The invention will be described in further detail below in conjunction with the accompanying drawings.
[0036] refer to figure 1 , 2 , 3. High-voltage transmission power cables, including three wire cores, insulating layer, shielding layer, and protective layer; each wire core is provided with an insulating layer and a shielding layer in turn; the three wire cores are arranged inside the protective layer; the inside of the protective layer is also A triangular fixing bracket is provided; an arc-shaped groove is arranged on each side of the triangular fixing bracket; the wire core is located in the arc-shaped groove; the wire core, the triangular fixing bracket and the protective layer are formed between The cavity is filled with an insulating filler; it also includes a first wire, a second wire, and a third wire; the outer diameters of the first wire, the second wire, and the third wire are tangent; the first wire, the second wire, and the third wire are tangent; The...
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Abstract
The invention discloses a high-voltage transmission power cable which comprises three cores, an insulating layer, a shielding layer and a protecting layer, wherein the insulating layer and the shielding layer are sequentially arranged on the exterior of each core; the three cores are arranged in the protecting layer; a triangular fixing bracket is also arranged in the protecting layer; an arc groove is formed on each side of the triangular fixing bracket; the cores are positioned in the arc groove; and the cavity formed among the cores, the triangular fixing bracket and the protecting layer is filled with an insulating filler. The high-voltage transmission power cable also comprises a first wire, a second wire and a third wire, wherein every two of the first wire, the second wire and the third wire are tangential; and the first wire, the second wire and the third wire are arranged in the protecting layer and are parallel to the cores respectively. According to the high-voltage transmission power cable disclosed by the invention, when a thief steals the protecting layer of the power cable, the stealing place can be immediately known.
Description
[0001] This application is a divisional application of a patent application with an application date of December 10, 2014, an application number of 201410753924.9, and an invention title of "High Voltage Transmission Power Cable". technical field [0002] The invention relates to a high-voltage power transmission power cable, which belongs to the technical field of high-voltage power transmission. Background technique [0003] With the rapid development of the national economy, the amount and scope of use of power cables as the main artery of the national economy are increasing. Power cables are cables used to transmit and distribute electrical energy. It is 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 power cables is gradually increasing. Power cables are cable products used to transmit an...
Claims
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IPC IPC(8): H01B9/02H01B7/32H01B7/18G08B13/12
CPCG08B13/12H01B7/17H01B7/184H01B7/328H01B9/02
Inventor 谢春梅
Owner 谢春梅