Lightning protection drainage terminal for power transmission and transformation installation
A technology for power transmission and transformation and lightning protection, which is applied in the field of drainage terminals, can solve problems such as power transmission system paralysis, drainage terminal components damage, etc., and achieve the effects of long service life, good safety performance, and good protection performance
Inactive Publication Date: 2022-02-01
上海东鑫电力工程安装有限公司
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Problems solved by technology
[0003] The existing technology has the following disadvantages: the existing drainage terminal is usually set outdoors, because there is no lightning protection treatment during the use of the drainage terminal, when the drainage terminal is struck by lightning, the internal components of the drainage terminal will be damaged, resulting in the paralysis of the entire power transmission system
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[0027] see figure 1 As shown, a lightning protection and drainage terminal for power transmission and transformation installation described in this embodiment includes a terminal body 1, which is different from the prior art in that a conductive outer box 2 is provided outside the terminal body 1, The top of the conductive outer box 2 can also be detachably provided with a top cover 3, the four bottom corners of the top cover 3 are fixed with conductive cylinders 5, and the top of the top cover 3 is fixed with a lightning rod 6, And the lightning rod 6 is connected with the conductive cylinder 5 through the conductive rod 7, the conductive cylinder 5 is in contact with the conductive outer box 2, and the bottom of the conductive outer box 2 is also fixedly provided with a substrate 9, four of which are Grounding components 10 are fixed at the bottom corners, and the conductive outer box 2, conductive cylinder 5, conductive rod 7 and substrate 9 are all made of conductive mater...
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A lightning protection drainage terminal for power transmission and transformation installation provided by the invention comprises a terminal body, wherein the exterior of the terminal body is provided with a conductive outer box, the top part of the conductive outer box is also detachably provided with a top cover, the four bottom corners of the top cover are fixedly provided with conductive cylinders, the top part of the top cover is fixedly provided with a lightning rod, the lightning rod is connected with the conductive cylinders through conductive rods, and the conductive cylinders are in contact with the conductive outer box. When the terminal body is used outdoors, the conductive outer box performs protection processing on the terminal body, in thunderstorm weather, the lightning rods lead thunder and lightning, current is transmitted to the conductive cylinders through the conductive rods and then conducted to the conductive outer box through the conductive cylinders, and finally the current is transmitted to a grounding assembly through a substrate and conducted to the ground through the grounding assembly. The drainage terminal has the lightning protection function, and is good in safety performance, good in overall protection performance and long in service life.
Description
technical field [0001] The invention relates to the technical field of drainage terminals, in particular to a lightning protection drainage terminal used for power transmission and transformation installations. Background technique [0002] The transmission of current often leads to loss due to the heating of the line, so the voltage is increased through transformers during transmission to reduce the current to reduce heat loss. High voltage electricity is very dangerous, and the target electrical appliances do not need it With such a high voltage, it is necessary to reduce the voltage through power transformation. Since multiple power transformations are required in the process of current transmission, the transmission of current is called power transmission and transformation. During the process of power transmission and transformation, current needs to be drained through the drainage terminal. [0003] The existing technology has the following disadvantages: the existing ...
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IPC IPC(8): G01R31/00G01R31/327
CPCG01R31/00G01R31/327
Inventor 李汉卿张爱民
Owner 上海东鑫电力工程安装有限公司