Multifunctional ball valve

The utility model discloses a multifunctional ball valve, which relates to the technical field of valves, and is characterized in that the multifunctional ball valve comprises a ball valve body, a ball core and a valve rod, a fluid channel is arranged in the ball valve body, and the ball core is rotatably arranged in the fluid channel and can control the on-off of the fluid channel; a control hole communicated with the fluid channel is further formed in the ball valve body, the valve rod is rotationally arranged in the control hole, the inner end of the valve rod is connected with the ball core, and the valve rod can drive the ball core to rotate; a first detection hole, a second detection hole and a third detection hole are formed in the ball valve body at intervals, a flow velocity sensor capable of detecting the flow velocity of fluid is arranged in the first detection hole, a temperature sensor capable of detecting the temperature of the fluid is arranged in the second detection hole, and a pressure senso