Variable frequency controller for automobile air conditioner compressor

The utility model discloses a variable frequency controller for an automobile air conditioner compressor, which belongs to the technical field of variable frequency controllers and comprises a protective box, a box cover is mounted at the top of the protective box, a plurality of mounting studs are arranged in an inner cavity of the protective box, a variable frequency controller body is mounted on the mounting studs, and the variable frequency controller body is mounted on the protective box. And a connecting wire is arranged on the variable frequency controller body. According to the utility model, the variable-frequency controller body is installed through the protection box and the box cover, so that the influence on the service life and heat dissipation of the variable-frequency controller body caused by dust attached to the variable-frequency controller body when the variable-frequency controller body is installed on a vehicle is avoided; in addition, a blowing fan blows air to the variable-frequency co