Automatic control and alarming system for firefighting vehicle

The invention relates to an automatic control and alarming system for a firefighting vehicle, which comprises a microcomputer, a rotary transducer detecting the rotational speed signals of a motor, a water temperature detecting device and a pressure sensor arranged on the outlet pipe of a water pump. The microcomputer is used for controlling the rotational speed of the motor and maintaining the speed at the set value according to the rotational speed signals sent by the rotary transducer, controlling the working pressure of the water pump and maintaining the pressure at the set nominal value according to the pressure signals sent by the pressure sensor, and sending out the alarming signals when the water temperature signals sent by the water temperature detecting device reach the preset water temperature value. The automatic control and alarming system of the firefighting vehicle detailedly discloses the control proposal involved in the solution of the existing automatic bubble rate mixture, which is solution ensuring the easier utilization of the automatic control and alarming system by users.