| abstract |
Disclosed is a cleaner. The cleaner according to an embodiment includes a main body, a suction device configured to suck dust outside the cleaner, a dust detection sensor including a light emitting element and a light receiving element disposed adjacent to the suction device, a dust container configured to store sucked dust through the suction device, and a processor configured to identify a dust inflow state and a dust amount of the dust container based on a voltage value output from the light receiving element, and control an operation of the cleaner based on the identified dust inflow state and dust amount, wherein the light emitting element and the light receiving element are disposed at an outside of the dust container in a direction toward an inlet of the dust container. |