Sensitive power-off alarm device

The utility model discloses a sensitive power-off alarm device, and relates to the field of power equipment. The sensitive power-off alarm device comprises two clamping rings, the outer surface of one clamping ring is fixedly connected with a fixing block, and two insertion holes are symmetrically formed in the upper surface of the fixing block; the back surface of the power failure alarm is fixedly connected with two connecting blocks, the lower surfaces of the two connecting blocks are fixedly connected with an inserting rod, and the inserting rod is provided with a left-right through limiting hole; and the limiting groove is formed in the fixing block, two limiting blocks are slidably connected to the inner wall of the limiting groove, and the two limiting blocks are connected with a moving assembly. According to the sensitive power-off alarm device, the two limiting blocks are separated from the two limiting holes respectively, at the moment, the power-off alarm can be pulled upwards, the two inserting ro