Relay protection device

The utility model discloses a relay protection device, comprising a housing, the bottom of which is provided with a ventilation opening, and the ventilation opening is internally provided with a filter screen; a cooling fan is arranged in the shell; the relay protector is arranged in the inner part of the shell; and the cleaning mechanism comprises a bristle frame which is in sliding connection with the shell and a hairbrush which is detachably connected with the bristle frame. According to the utility model, the problem that the brush for cleaning the dustproof net on the relay protection device is not detachable, and the lasting cleaning effect of the brush on the dustproof net cannot be ensured can be solved. 本实用新型公开了一种继电保护装置，其包括：壳体，其底部设有通风口，所述通风口内设有过滤网；所述壳体的内部设有散热风扇；继电保护器，其设于所述壳体的内部；清洁机构，其包括与所述壳体滑动连接的刷毛架、与刷毛架可拆卸连接的毛刷。本实用新型能够解决继电保护装置上用于清理防尘网的毛刷不具有可拆卸性，无法保证毛刷对防尘网持久的清理效果。