Differential pressure type anti-theft alarm system

The invention discloses a differential pressure type anti-theft alarm system, and mainly relates to a remote alarm anti-theft purpose achieved through a differential pressure signal provided by a pressure sensor and a wireless transmission element. The anti-theft alarm system is suitable for occasions such as museums, pawnshops, valuable exhibition and sales, sealed safe boxes and the like. Knownanti-theft system devices all adopt infrared remote anti-theft alarm systems, and the alarm systems have the defect that an abnormal phenomenon that foreign matters block infrared rays cannot be identified. In order to overcome the defects of an existing anti-theft system product, the invention provides the differential pressure type anti-theft alarm system which not only can give an alarm remotely, but also can accurately judge the reason why the alarm is generated, and has an anti-corrosion protection function on articles in a box. The system is characterized in that a pressure sensor is arranged in a closed anti-th