Frequency converter convenient to adjust and install

A frequency converter convenient to adjust and install is disclosed by the present invention and comprises a box body, the top of the box body is provided with a dust board, the two sides of the dust board are inclined downwards, and the two sides of the bottom of the dust board are symmetrically provided with anti-collision assemblies. The box body, the dust board and a base are all detachable, the convenience of installation and transportation is improved, dirty air in a mine can be filtered through the design of a filter screen, the cleanliness of the air in the box body is kept, the filter screen in a fixing groove can be detached and replaced by rotating four blocking rods, when the air in the mine is wet, an electric heating wire dries moisture adsorbed by absorbent cotton, air entering the box body is kept dry, electrical components in the box body are protected against damage, a dust baffle at the top of the box body can protect the surface of the box body against impact, the box body is prevented fro