Temperature alarm

The utility model discloses a temperature alarm, comprising a mounting plate, the front surface of which is provided with an alarm body; a T-shaped plate is fixedly connected to the back face of the alarm body, a first inclined face is arranged at the bottom end of the T-shaped plate, a T-shaped clamping groove matched with the T-shaped plate is formed in the front face of the mounting plate, the interior of the T-shaped clamping groove is connected with the outer wall of the T-shaped plate in an attached mode, and a clamping assembly is arranged in the T-shaped clamping groove. According to the utility model, the T-shaped plate and the T-shaped clamping groove are arranged, and the T-shaped plate is matched with the T-shaped clamping groove, so that the alarm can be quickly mounted and dismounted, the problems that the conventional alarm is fixed through a bolt, the dismounting is inconvenient and the bolt slips during later maintenance are solved, and the convenience of mounting and dismounting is improved.