A intelligent frequency conversion ventilation blower for leading become room

The utility model relates to a main room ventilation technology that becomes, the utility model discloses an intelligent frequency conversion ventilation blower for leading become room, its specifically include fan frequency converter and with fan frequency converter signal connection's exhaust fan, fan frequency converter includes rectifier circuit, inverter circuit and control circuit, rectifier circuit is used for becoming the direct current with the interchange rectification, inverter circuit is used for becoming the direct current contravariant alternating current of the required frequency of exhaust fan, rectifier circuit's input is external alternate current power supply, output connection inverter circuit's input, inverter circuit's output connection exhaust fan, control circuit signal connection rectifier circuit and inverter circuit for control rectifier circuit and inverter circuit's output. Through setting up fan frequency converter, realize the frequency conversion output of exhaust fan to the ro