Object falling alarm

The utility model provides an object falling alarm which includes an alarm, a music horn, an indicating lamp, two mercury switches, and an integrated circuit. The object falling alarm is characterized in that the mercury switches are small in volume and do not have to be operated artificially, when...

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Bibliographische Detailangaben
1. Verfasser: NIU HAOJIE
Format: Patent
Sprache:chi ; eng
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Zusammenfassung:The utility model provides an object falling alarm which includes an alarm, a music horn, an indicating lamp, two mercury switches, and an integrated circuit. The object falling alarm is characterized in that the mercury switches are small in volume and do not have to be operated artificially, when an object tilts or falls, the switches close the circuit automatically, and the music horn and the indicating lamp are connected in parallel, so the music horn and the indicating lamp give an alarm at the same time to realize the alarm function. The characteristics of the object falling alarm are that: the structure is simple, the volume is small (the size of a matchbox), and in use, the object falling alarm can be pasted on a vertical surface of the object, so the operation is easy and convenient. In life and other situations, some objects which are not allowed to tilt or fall can tilt or fall because of the external force, and the damage to the objects or an accident can happen if the objects are not discovered t