Switch terminal box with characteristic of hot-line replacement

Abstract

The invention relates to the electrical device, more particularly to a switch terminal box with the characteristic of hot-line replacement. The switch terminal box is composed of a box body and a plugging board. The box body consists of an upper box body and a lower box body that are communicated mutually; a top cover is arranged at the top of the upper box body; an upper opening is formed in oneside of the upper box body; an upper box door in rotation connection with the upper box body is arranged at the upper opening; a lower opening arranged at the same side as the upper opening is formedin the lower box body; and a lower box door in rotation connection with the lower box body is arranged at the lower opening. A dehumidification and temperature adjusting control device is arranged inthe box body. An upper connecting plate extends from the bottom of the upper box body outwardly; a lower connecting plate is arranged at the top of the lower box body by corresponding to the upper connecting plate; and the upper connecting plate and the lower connecting plate are connected by bolts. A plurality of plugging ports cooperating with the plugging board are formed in the inner walls atthe two sides of the lower opening of the lower box body. The terminal box can be replaced with the hot-line operation; the replacement efficiency and the safety are high; and the moisture proof effect is good.

Description

technical field [0001] The invention relates to electric equipment, in particular to a switch terminal box which can be replaced with electricity. Background technique [0002] In the power grid, the power grid in a region contains hundreds of substations, among which a considerable part of the substations have been used for a long time, and the service life of the terminal boxes in these substations has exceeded 10 years. The casing of the box is heavily corroded. In the prior art, when the terminal box is replaced, the cables in the terminal box are removed and pulled out basically in combination with the power failure treatment, and then the terminal box is removed and replaced. Such a replacement mode requires re-disconnection of the secondary cable and electrical circuit test, so the overall replacement cycle is very long, and the disassembly and test of the secondary circuit also has a greater safety risk, which affects the safe operation of the power grid and the rel...

AI Technical Summary

Problems solved by technology

The terminal box is not equipped with moisture-proof measures, so there are great dangers and hidden dangers, and the replacement cycle of the terminal box is long, time-consuming and labor-intensive, and the safety risk is large

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