Centrifugal blower and air conditioner using the same

摘要

A kind of cfentrifugal blower, including a centrifugal fan, air-conditioning can be rotationally attached to motor, and horn mouth guidance air enters centrifugal fan. Centrifugal blower may include the rotary shaft that wheel hub is fixed to motor, mainboard is set to the outer peripheral surface of the wheel hub, and there is shield a suction opening to surround the rotary shaft, which is located at opposite mainboard and limits main gas flow path, multiple air inlets are arranged in the circumferencial direction of wing, in main board and shield. Rear portion axial end portion horn mouth can be plugged into shield by suction inlet, form intended radial gap and suction inlet. Rear portion horn mouth may include multiple protrusion and depressed section being alternatively formed, and there is protrusion and recess to be inserted into shield.