The utility model relates to dish
washer technical field discloses dish
washer, including washing
system and heat exchange
system, washing
system includes water tank and washing pump, and water tank and washing pump intercommunication, heat exchange system includes working medium compression unit and
refrigerant circulation pipeline, working medium compression unit includes air inlet and exhaust port,
refrigerant circulation pipeline includes heating
pipe and
cooling pipe, heating
pipe is located in water tank, and one end communicates with the exhaust port of working medium compression unit, and the other end communicates with
cooling pipe,
cooling pipe surrounds and sets up in the outer periphery of washing pump, and communicates with the air inlet of working medium compression unit, the utility model utilizes the
refrigerant of higher temperature to heat the washing water in water tank, and the pump body is cooled with the help of the refrigerant of temperature reduction, reaches the high -efficient heat dissipation of pump body, and the both are synchronous, not only satisfy the requirement to
water temperature in the washing process, guarantee the normal stable operation of washing pump, but also improved the comprehensive utilization of energy, reduced overall
energy consumption, realized the dual goal of energy -conserving and high -efficient operation.