Wireless alarm for machine pump

The utility model discloses a wireless alarm for a machine pump. The wireless alarm consists of a signal transmitting system and a signal receiving system, wherein the transmitting system is connected with a power switch through an electric contact pressure gage via a wire; a 3V battery is connected with the power switch through a wire; the 3V battery is connected with an intermediate relay through a wire; the intermediate relay is communicated with a wireless alarm transmitter through a wire; a 220V power supply is connected with a signal receiver; the signal receiver is connected with a buzzer through a power wire; and the signal receiver is connected with a bulb through the power wire and is connected in parallel with the buzzer. When the machine pump suddenly is in failure, the wireless alarm can immediately provide audible and visual alarm, related-position personnel is notified to timely take measures, and the accident is prevented from being further expanded.