Detection equipment of smoke alarm and smoke alarm

The utility model is suitable for the technical field of electronic circuits, and provides a detection device of a smoke alarm and the smoke alarm, the detection device comprises a heating circuit which is connected with a temperature probe and a first switch member, when the first switch member is closed, the heating circuit outputs power to the temperature probe to heat the temperature probe; the voltage division circuit is connected with the output end of the test power supply, the temperature probe and the second switch piece, and is connected in series with the test power supply and the temperature probe when the second switch piece is closed so as to divide the voltage output by the test power supply; and the detection circuit is connected with the temperature probe, and is used for collecting partial voltage signals of the temperature probe before and after heating and outputting the partial voltage signals to the control chip. According to the embodiment of the utility model, whether the temperature p