Patent ID: 7600521

Claim:
A system for automatically exchanging cleaning tools of a robot cleaner, comprising: the robot cleaner for detecting a bottom state of the cleaning area, deciding whether a currently-mounted first cleaning tool is suitable for the detected bottom state of the cleaning area, and returning to and being docked on an exchange unit when the first cleaning tool is not suitable for the bottom state; wherein the robot cleaner comprises: a cleaning tool mounting unit on which the cleaning tools are mounted; a bottom state detecting unit for detecting the bottom state of the cleaning area; and a microcomputer for switching the mode of the robot cleaner into a cleaning tool exchange mode according to the detection result of the bottom state detecting unit, and transmitting the detected information to the exchange unit the exchange unit for exchanging the first cleaning tool currently mounted on the robot cleaner with a second cleaning tool suitable for the bottom state when the robot cleaner is docked.