An in-situ discharge relay protection device

Abstract

The invention provides an on-site discharge relay protection device, comprising a on-site cabinet, a protective shell, a closed door, a rotating plate and a fixed lock; the protective shell and the on-site cabinet are slidably connected; the rotating plate is rotatably connected with the on-site cabinet; the closed door It is rotatably connected with the protective shell. When the closed door is closed, it is fixed with the protective shell through a fixed lock. At this time, the back of the rotating plate is in contact with the limit rod; the inner cavity of the protective shell is provided with a limit rod; the bottom of the rotary plate is set with a limit rod When the protective shell slides out of the maximum stroke on the local cabinet, the limit block is in contact with the limit rod. After the protective shell slides on the local cabinet for a certain distance, the limit rod and the limit block will abut, so that the protective shell cannot slide on the local cabinet, and the device has the function of preventing the protective shell from being completely pulled out of the local cabinet.

Description

technical field [0001] The invention relates to the technical field of relay protection, in particular to an on-site discharge relay protection device. Background technique [0002] On-site discharge relay protection is a kind of relay protection discharge method to improve the safety and reliability of relay protection, and the on-site installation method of on-site discharge relay protection is installed in local cabinets. [0003] The existing on-site cabinets have the following shortcomings. The on-site cabinets are generally placed on the outdoor ground. When unrelated personnel are near the on-site cabinet and operate on the on-site cabinet, it may cause some problems in the on-site cabinet. The failure or damage of each relay device will cause the nearby electrical appliances and equipment controlled by the relay device in the local cabinet to fail, which may have great adverse consequences. Therefore, it is necessary to prevent irrelevant personnel from A device tha...

AI Technical Summary

Problems solved by technology

[0004] When unrelated personnel are near the local cabinet and operate the local cabinet, it may cause a relay device in the local cabinet to fail or be damaged, which will cause the relay device in the local cabinet to control Failure of nearby electrical appliances and equipment may cause serious adverse consequences. The invention provides an underground relay protection device

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