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Multi-functional junction box used for ground wire ice melting

A ground wire melting and junction box technology, which is applied in the installation of cables, electrical components, overhead installation, etc., can solve the problems of high installation position of the ice melting ground wire, inconvenient operation, difficult wiring of the ice melting ground wire, etc. Risk, the effect of reducing the number of times of going up and down the tower

Active Publication Date: 2014-09-24
STATE GRID CORP OF CHINA +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is to provide a multi-functional junction box for ground wire melting in view of the defects of difficult and complicated wiring of the existing ice-melting ground wire, and the installation of the ice-melting ground wire being too high and inconvenient for operation. The junction box can not only meet the insulation requirements of the ground wire, but also allow construction personnel to operate conveniently.

Method used

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  • Multi-functional junction box used for ground wire ice melting

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Embodiment Construction

[0017] see figure 1 Shown is a specific embodiment of the multifunctional junction box for ground wire melting ice of the present invention. The box body 1 of this embodiment is a rectangular stainless steel waterproof box produced by China Hunan Changsha Ruiqun Machinery Manufacturing Co., Ltd. The tank is 550mm long, 440mm high and 230mm thick. Post insulator 2 adopts ZJ-10KV / 4 type epoxy resin post insulator produced by China Zhejiang Chongshan Electric Power Technology Co., Ltd. The wiring copper bar 3 is a wiring copper bar with a specification of 20*5mm produced by Huikun Nonferrous Metals Co., Ltd., Luoyang City, Henan Province, China. The isolating switch 4 is a NH50D-1000 / 3118B 3P / 250 isolating switch produced by Chint Construction Electric Co., Ltd., Zhejiang Province, China. The above-mentioned box body 1, post insulator 2, wiring copper bar 3, and isolating switch 4 are according to the above-mentioned technical solution, refer to figure 1 As shown in the instal...

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Abstract

The invention introduces a multi-functional junction box used for ground wire ice melting. A post insulator (2) is arranged inside a rectangular box (1); and a wiring copper bar (3) with an isolation switch (4) is installed on the post insulator (2). And one end of the wiring copper bar (3) is connected with an anode of the isolation switch (4), wherein the one end of the wiring copper bar is a short one; and the other end of the wiring copper bar is connected with a cathode of the isolation switch (4). Therefore, the junction box that is formed according to the above-mentioned scheme has the following beneficial effects: (1), short connection and grounding of high voltage lead wires in ground wires can be realized; (2), problems that it is difficult to carry out wiring and time is short during the multi-point ice melting process of ground wires can be solved; (3), by controlling the isolation switch, complex operations of wiring and rerouting during working can be reduced; (4), the junction box can be adjusted, so that an impedance match requirement during the overhead ground wire ice melting process can be met; and (5), the number of climbing up and down of an iron tower of construction personnel can be obviously reduced and thus, the risk of working at the top of the tower can be reduced.

Description

technical field [0001] The invention belongs to the technical field of electric power engineering equipment, and in particular relates to a multifunctional junction box for melting ground wires. Background technique [0002] Since the ground wire of the transmission line is generally installed on the top of the iron tower, the high-voltage insulated copper wire in the ground wire must be connected to the high-voltage insulated copper wire every time it needs to be thawed. Climbing up and down the iron tower many times will undoubtedly speed up the fatigue of the construction workers. It is precisely because of this that the construction workers enter a state of fatigue prematurely. When they step on the heavily icy tower materials, their strength to control their body balance and concentration are greatly weakened, and they also have to bear the severe cold wind at the top of the tower. , so it is very easy to slip, which greatly increases the danger of the operation and fo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02G7/16
Inventor 陆佳政李波方针张红先赵纯
Owner STATE GRID CORP OF CHINA
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