Drinking water dispenser, liquid heating device and heating control method thereof

Abstract

The invention discloses a heating control method of a liquid heating device. The liquid heating device comprises a main control module and a temperature detection module; the heating control method comprises the steps as follows: the temperature detection module detects temperature of liquid in the liquid heating device in real time; before the liquid heating device heats, the main control module obtains a triggering temperature of the temperature detection module based on the current temperature of the liquid in the liquid heating device; the main control module controls the liquid heating device to heat, and control outage of the liquid heating device when the temperature of the liquid inside the liquid heating device reaches to the triggering temperature; afterheat of the liquid heating device heats the liquid in the liquid heating device to a preset temperature T, wherein T is higher than the triggering temperature. The heating control method can heat the liquid in the liquid heating device by utilizing the afterheat, so that error between the set temperature and the practical temperature is greatly reduced, and living needs of people are satisfied. The invention also discloses the liquid heating device and a water dispenser.

Description

technical field [0001] The invention relates to the technical field of heating, in particular to a heating control method of a liquid heating device, a liquid heating device and a water dispenser with the liquid heating device. Background technique [0002] In the prior art, the power-off temperature of the temperature sensor is usually set to be consistent with the required water temperature, that is, when the water temperature of the heater reaches the set temperature of the temperature sensor, the temperature sensor outputs a signal to the main control board, and the main control board controls the heating element. Power off, but at this time, due to the high heating power of the heater and the small amount of heating water, after the heating element is powered off, there will be a large residual temperature, which will continue to heat the water in the heater, resulting in large deviations in water temperature and exhaust. Exhale. [0003] In addition, since the heater ...

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Problems solved by technology

[0002] In the prior art, the power-off temperature of the temperature sensor is usually set to be consistent with the required water temperature, that is, when the water temperature of the heater reaches the set temperature of the temperature sensor, the temperature sensor outputs a signal to the main control board, and the main control board controls the heating element. Power off, but at this time, due to the high heating power of the heater and the small amount of heating water, after the heating element is powered off, there will be a large residual temperature, which will continue to heat the water in the heater, resulting in large deviations in water temperature and exhaust. mouth jet

[0003] In addition, since the heater is in a cold state and a hot state (existing residual temperature), when the water is heated to the set water temperature, the residual temperature of the heating element after power-off is different. Therefore, if the power-off temperature of the temperature sensor is set to be the same, under hot conditions, the temperature of the water outlet from the heater will also be high, resulting in a large deviation of the water temperature.

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