Air compressor controller and assembling method thereof

The invention provides an air compressor controller and an assembling method of the air compressor controller, the air compressor controller comprises a box body, the box body is a closed box body defined by an upper cover plate, a lower cover plate and a box body welding assembly, and a circuit board assembly is arranged in the box body; the circuit board assembly comprises a control board assembly, a driving board assembly and a filtering assembly which are electrically connected with one another, the control board assembly comprises a control board PCB and a control signal adapter board PCB, the driving board assembly comprises a driving board PCB, and an air compressor power module (SIC) and a hydrogen pump power module (IGBT) are integrated on the driving board PCB. The power module of the hydrogen pump, the power module of the air compressor and the driving module are integrated on one PCB, so that the high-voltage power module and the power driving module are designed on the same board, the space is fu