Flow control device

The invention discloses a flow control device, belongs to the technical field of flow regulation, solves the problems that the flow control device is low in reliability and large in size and weight, and adopts the technical scheme that the flow control device mainly comprises a partial pressure valve assembly, an elastic assembly and a linear displacement sensor, the partial pressure valve assembly comprises a partial pressure valve and a partial pressure valve lining, the partial pressure valve lining is provided with a cavity penetrating through the partial pressure valve lining and a metering through hole communicated with the cavity, and the partial pressure valve is arranged in the cavity in a sliding mode and slides in the cavity to close or open the metering through hole. The partial pressure valve comprises a valve plug and a valve rod, one end of the valve rod is fixedly connected with the valve plug, the other end of the valve rod is connected with the linear displacement sensor, the valve plug is f