Power supply overheating protection device

The invention relates to the field of power supply protection, in particular to a power supply overheating protection device which comprises a carrying seat, a thermal protector and a power-off alarm are installed at the front end of the carrying seat in a penetrating mode, the thermal protector is located on one side of the power-off alarm, and the thermal protector is electrically connected with the power-off alarm. Two sets of connecting frames are symmetrically arranged behind the carrying base, the opposite ends of the two sets of connecting frames are fixedly connected with the carrying base, the number of each set of connecting frames is multiple, two sets of stretching-out plates are symmetrically arranged behind the carrying base, the number of each set of stretching-out plates is multiple, the multiple stretching-out plates are located between the multiple connecting frames, and the stretching-out plates are fixedly connected with the carrying base. And one side of the extending plate is fixedly con