Demand alarm device

The utility model belongs to the technical field of alarm device, especially, relate to a demand alarm device. Which comprises a housin, be equipped with man -machine interaction module on the casing,man -machine interaction module connects on the concentrator, still be connected with three electric energy meters on the concentrator, outside electric energy meter communication binding post, speaker and GPRS module, be equipped with alarm module on the concentrator, the casing includes box body and lid, lid one side is articulated mutually with the box body, lid one side links to each other with the box body through built -in lock body, man -machine interaction module fixes on the lid inner wall and wears to establish the lid, three electric energy meters and concentrator detachably fix inthe box body, the box body lower extreme is fixed with the connector who wears to establish the box body, three electric energy meters connect electricity end and concentrator to connect the electricity end to connect on conn