Entrance guard safety alarm device

The utility model particularly relates to the technical field of access control, and discloses an access control safety alarm device which comprises an installation box, a first magnetic control switch and a second magnetic control switch, a first notch is formed in the side wall, close to the first magnetic control switch, of the installation box, the first magnetic control switch slides on the first notch, and a second notch is formed in the side wall of the installation box. A third notch is formed in the side wall, close to the second notch, of the mounting box, and a time delay relay is fixedly arranged in the middle of the third notch. The magnetic control switch I and the magnetic control switch II are arranged, the magnetic control switch I and the magnetic control switch II are matched in a halfpace shape, and the internal size of the notch I is matched with the external size of the magnetic control switch I, so that when the elastic force of a sliding spring of the magnetic control switch I acts on