The invention discloses a water dispenser. The water dispenser comprises a water dispenser body. A hot water tank, a
warm water tank and a cold water tank are arranged in the water dispenser body. A
water level detector and a temperature
detector are arranged in each of the three
water tanks. A water filling port is formed in the top of the hot water tank, the
warm water tank and the cold water tank are located below the hot water tank, the hot water tank is connected with the
warm water tank and the cold water tank through water guide pipes respectively, and a water control valve is arranged on each water guide
pipe. Heaters are further arranged in the hot water tank and the warm water tank. The three
water tanks are respectively provided with a water outlet. A single-
chip microcomputer controller and a displayer are arranged on the side wall of the water dispenser body. The
water level detectors, the temperature detectors, the water
control valves, the heaters and the displayer are respectively connected with the single-
chip microcomputer controller electrically. According to the water dispenser, the water temperatures of all the
water tanks can be displayed in real time, water in the cold water tank is cooled plain boiled water, and the quality of the water is guaranteed. The water dispenser is user-friendly in design, easy to use and high in practicality.