| 摘要 |
PROBLEM TO BE SOLVED: To protect a circuit board by effectively cooling the circuit board and shielding the circuit board from an electric blower.SOLUTION: The vacuum cleaner comprises: a dust collection unit for separating, from air, dust sucked with the air and accumulating the dust; the electric blower for generating an air stream for sucking the dust; an exhaust passage for release to the outside the air stream having passed through the electric blower; the circuit board including a circuit for controlling the electric blower and disposed at the exhaust passage; and a perforated plate disposed between the electric blower and the circuit board. |
