Anti-theft alarm device for valve of well head of oil well

The utility model relates to an anti-theft alarm device used in the field of theft prevention of an oil producing well head of an oil field, in particular to an anti-theft alarm device for a valve of a well head of an oil well, which is arranged on the well head and utilizes a wireless transmitting module and a wireless receiving module to realize remote alarm. The utility model adopts the following technical scheme that the anti-theft alarm device comprises the wireless transmitting module and the wireless receiving module and is characterized in that a triggering end of a wireless transmitting module circuit IC1 is connected with a transmission control switch K and then is connected in series with a battery DC1 to form a wireless transmitting circuit; the transmission control switch K in the wireless transmitting module is connected onto a normally open contact of a sensor micro switch; and an output end of a wireless receiving module circuit IC2 is connected with an alarm T and an alarm lamp L and then is