Intelligent adjustment heat dissipation system and method of frequency converter

The invention relates to an intelligent adjustment heat dissipation system and method of a frequency converter, and the system comprises a frequency converter body, a first temperature detection module, an airflow velocity detection module, a processing module, a cotton piece replacement module, a fan airflow detection module, a second temperature detection module, an alarm module, and an emergency refrigeration module. A cooling fan, a cooling channel and a filter cotton piece are arranged in the frequency converter body, the frequency converter body is provided with an installation frame, the installation frame is provided with a standby fan, the frequency converter body is provided with an electric lead screw, and the emergency refrigeration module comprises a liquid carbon dioxide storage tank, a spray pipe and an electromagnetic valve. By arranging an airflow detection module and a cotton piece replacement module, the cooling system can automatically replace blocked filter cotton pieces, and the cooling