high-altitude transmission line
A high-altitude power transmission line and wire core technology, which is applied to circuits, insulated cables, electrical components, etc., can solve the problems of easy snow and ice accumulation on power lines, broken and falling power lines, and increased weight of power lines.
Active Publication Date: 2016-09-21
江苏奇鹰电线电缆有限公司
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Problems solved by technology
[0002] High-altitude power transmission lines are the basic power facilities for long-distance power transmission; in the process of power transmission, they need to withstand the climate test of various regions. In rainy weather, at this time, the surface of the transmission line is very easy to accumulate snow and ice, resulting in a sharp increase in the weight of the transmission line, and then the power line is likely to break and fall when the wind blows
The current high-altitude transmission lines are made of steel wire cores, which basically face this kind of problem, causing great troubles to the power construction department
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[0013] Below in conjunction with accompanying drawing and embodiment the present invention is further described:
[0014] exist figure 1 , figure 2 In the illustrated embodiment, the high-altitude transmission line includes a non-conductive core 1; the non-conductive core 1 is wrapped with two layers of conductive layers 21, 22; the conductive layers 21, 22 are made of a continuous metal The wire is wound to form a tension spring, and the turns of the tension spring are close to each other.
[0015] Such as image 3 As shown, the metal wire 200 has a periodically and continuously changing cross section along the extending direction of the metal wire itself; the continuously changing cross section has the following characteristics: the upper and lower sides of any longitudinal section of the metal wire 200 The sideline of the road is a sinusoidal curve symmetrical about the wire axis, that is image 3 Among them, with respect to the straight line L, the upper and lower sid...
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The invention provides a high-altitude power transmission line, which includes at least one non-conductive core; the non-conductive core is wrapped with at least one conductive layer; the conductive layer is wound by a continuous metal wire to form a An extension spring, each turn of the extension spring is close to each other; the metal wire has a periodically continuously changing cross-section along the direction in which the metal wire itself extends; preferably, the continuously changing cross-section has the following characteristics: The upper and lower sidelines of any longitudinal section of the metal wire are sinusoidal curves symmetrical to the wire axis. The high-altitude transmission line can largely avoid snow or ice accumulation on the surface of the transmission line in severe cold weather, so that the self-weight of the transmission line is always kept at a low level, thereby significantly reducing the possibility of its fracture in extreme weather.
Description
technical field [0001] The invention relates to the field of power facilities, in particular to a high-altitude transmission line. Background technique [0002] High-altitude power transmission lines are the basic power facilities for long-distance power transmission; in the process of power transmission, they need to withstand the climate test of various regions. In rainy weather, at this time, the surface of the transmission line is very easy to accumulate snow and ice, resulting in a sharp increase in the weight of the transmission line, and then the power line is likely to break and fall when the wind blows. Present high-altitude power transmission lines are made of twisted steel wire cores, which basically all face this problem, causing great trouble to the electric power construction department. Contents of the invention [0003] In view of the above problems, the object of the present invention is to provide a high-altitude transmission line, which can largely avoi...
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IPC IPC(8): H01B7/17
Inventor 胡付昌蔚法常徐庆曹国栋邹海涛路鹏沙先广宋庆方谷灵杰张龙江张国栋靖福庆杜鹃潘兴宾赵云鹏梁康辛月娟张洪亮丰超李凤娥孙玉英邹保贞张卫东冯耀忠刘佳云
Owner 江苏奇鹰电线电缆有限公司