Controller for controlling pneumatic double-layer flap valve

The utility model provides a controller for controlling a pneumatic double-layer flap valve, which is characterized in that a PCB (Printed Circuit Board) is arranged in a shell, a plug-in type wiring terminal is welded on the PCB, and a three-terminal voltage stabilizer is connected with a power supply end of the plug-in type wiring terminal and is used for supplying power to all elements on the PCB; the wire inlet end of the voltage stabilizing source is connected with the wire outlet end of the three-terminal voltage stabilizer; a wire outlet end of the voltage stabilizing source is connected with a power supply pin of the microcontroller chip and provides a power supply meeting requirements for the microcontroller chip; the external crystal oscillator is connected with the microcontroller chip, the socket type four-bit nixie tube is used for displaying parameter values, the three-bit key is used for setting and modifying parameters, and the first relay and the second relay serve as output control points of