Automatic alarm for falling

The utility model discloses an automatic alarm when patients fall, which is a safety alarm device designed in order to prevent that patients can not call for help and lose precious salvage time to endanger life under the condition of losing consciousness when patients fall due to syncope for symptoms of burst cerebral infarction, heart infarction, hypoglycemia, etc. The utility model is mainly composed of a power supply, a mercury switch, a photoacoustic signal generator, etc. which are connected with each other by a circuit. The utility model has the advantages of simple structure, small size and portability. The mercury switch switches off the circuit in the upright state. When patients fall, mercury flows to switch on the circuit, the alarm emits photoacoustic signals to automatically call for help, thereby, the accidents can be prevented from occurring.