Photoelectric induction flowmeter, water pump and household appliance

The utility model discloses a photoelectric induction flowmeter, water pump and household electrical appliance, the photoelectric induction flowmeter comprises a driving device and a photoelectric induction plate, the output shaft of the driving device is connected with a light shielding plate, the light shielding plate is provided with a plurality of first through holes which are annularly distributed at intervals; at least one part of the light shielding plate is covered by the projection of the photoelectric sensing plate, when the light shielding plate rotates under the control of the driving device, a light source emitted by the photoelectric sensing plate has two states of penetrating through the first through hole and irradiating on the light shielding plate, and the water pump comprises the photoelectric flowmeter. The household appliance comprises the photoelectric induction flowmeter or the water pump, the household appliance can conduct flow detection under the condition that the household applianc