Volume-variable combined type classified washing and drying system and working method thereof

The invention discloses a volume-variable combined type classified washing and drying system and a working method thereof. The device comprises a washing bin and a main machine used in cooperation with the washing bin, and the washing bin is connected with the main machine through a connecting mechanism; the connecting mechanism comprises a first connecting mechanism arranged on the main machine and a second connecting mechanism arranged on the washing bin and matched with the first connecting mechanism. The main machine can be connected with at least one washing bin through a first connecting mechanism, and the main machine can provide water, electricity and gas for the washing bin after being connected with the washing bin through the connecting mechanism so as to be used for washing and drying washings. Through the mode that the main machine is matched with the multiple washing bins, the function that the washing bins can wash and dry washings in a classified mode is effectively achieved ...