Fire alarm device

The utility model provides a fire alarm device, it includes: a bas. Press the splenium, its can for the basal portion motion makes its skew to keeping away from basal portion or be close to the basal portion, alarm switch, it can move for warning circuit, with control warning circuit switches on and breaks off, and a plurality of buttons, it is installed on the basal portion, and can with conversion of motion according to the splenium does alarm switch's motion, wherein, the device has the warning actuated position, at this moment according to the splenium skew to being close to the basal portion is pressed a plurality ofly the button to press alarm switch to switching on indirectly warning circuit, and report to the police and relieve the position, at this moment according to the splenium skew to keeping away from the basal portion releases a plurality ofly the button to it is indirect with alarm switch release to disconnection warning circuit. The utility model discloses a fire alarm device has higher reliability and adaptive capacity to environment.