Pool cleaner

A pool cleaner, comprising:

• a housing, a water pump, a power supply, and a switch for controlling start/stop of the water pump, wherein
• the power supply is electrically connected to the water pump;
• a lower portion of the housing is provided with a suction port;
• the housing is provided with a discharge port and a water inlet;
• the suction port and the discharge port communicate with each other via a tube;
• the water inlet communicates with a water discharge passage;
• the water discharge passage communicates with the tube;
• the water pump is configured to drive liquid flow from the water inlet to the water discharge passage;
• the housing is internally provided with a first chamber;
• the water pump is at least partially located in the first chamber;
• the water pump comprises a motor and an impeller disposed on an output end of the motor;
• the impeller is configured to drive fluid flow from the water inlet to the water discharge passage;
• the first chamber comprises a mounting chamber and a working chamber separated from each other;
• the mounting chamber is configured to accommodate the motor and electric components;
• the working chamber is configured to accommodate a fluid;
• and the impeller is located in the working chamber.