Patent ID: 11864701
Assignee: YUNJING INTELLIGENCE INNOVATION (SHENZHEN) CO., LTD.
Field: Chemical engineering (Chemistry)
Classification: CPC A  B  Y | IPC A  B

Claim 19:
20. A cleaning system, wherein the cleaning system comprises a base station and a cleaning apparatus, and the base station is configured for servicing the cleaning apparatus;
the base station comprises a base station body and a pumping and drainage system, wherein the pumping and drainage system comprises:
a first water tank installed on the base station body, the first water tank is defined with a water storage cavity and a vent communicated with the water storage cavity;
a gas source system communicated with the vent;
in case the gas source system is in a first state, gas in the water storage cavity is discharged through the vent and the gas source system successively, causing the water storage cavity to be in a negative pressure state, allowing fluid to be sucked into the water storage cavity; in case the gas source system is in a second state, gas is delivered to the water storage cavity by the gas source system through the vent, causing the water storage cavity to be in a positive pressure state, allowing fluid in the water storage cavity to be discharged.