Cooling device of frequency conversion module of variable frequency air conditioner

The invention relates to a cooling device of a frequency conversion module of a variable frequency air conditioner. The cooling device comprises a heat conduction substrate. The heat conduction substrate is in the shape of a thin plate, one face of the heat conduction substrate is connected with a heat conduction fixed plate, and the other face of the heat conduction substrate is connected with a frequency conversion driving module; a refrigerant guiding pipe is arranged between the heat conduction substrate and the heat conduction fixed plate; and the refrigerant guiding pipe is connected into a pipeline of the variable frequency air conditioner. The cooling device of the frequency conversion module of the variable frequency air conditioner is reasonable in design, simple in structure and convenient to install and can exchange heat with the driving module through condensed refrigerants so that the temperature of the driving module can be lowered, and not only are the cooling efficiency and stability effectively improved, but also influences on the running efficiency of a unit can be avoided.