Base station and water tank

A base station, configured for cleaning a cleaning member to be cleaned of a cleaning robot, wherein the base station comprises:

• a base station body provided with a cleaning system, the cleaning system being configured to clean the cleaning member to be cleaned and discharge sewage generated by the cleaning system;
• a sewage output channel communicated with the cleaning system and an outside of the base station, the sewage output channel having a closed state and an open state, in a case that the sewage output channel is in the closed state, the sewage is restricted within the sewage output channel, and in a case that the sewage output channel is in the open state, the sewage is discharged from the sewage output channel to the outside of the base station;
• wherein the sewage output channel is provided with a valve body having a first state and a second state, and the sewage output channel is switched between the closed state and the open state by the valve body;
• wherein when the valve body is in the first state, the cleaning system is vented to the outside of the base station, and the sewage output channel is in the closed state, to restrict outflow of the sewage by the valve body;
• and
• when the valve body is in the second state, the sewage output channel is in the open state, and the valve body is opened to allow the sewage to be discharged through the valve body.