Water dispenser control circuit and control method
A control circuit and water dispenser technology, which are applied in beverage preparation devices, temperature control using electric means, auxiliary controllers with auxiliary heating devices, etc., to achieve the effect of saving electricity
Inactive Publication Date: 2012-09-19
HONG FU JIN PRECISION IND (SHENZHEN) CO LTD +1
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And if the water dispenser needs a long time to heat the water to the first temperature, this makes the user must be in the sensing range of the water dispenser for a long time, otherwise the water dispenser will stop heating
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[0017] Such as figure 1 As shown, a water dispenser control circuit 100 provided by an embodiment of the present invention includes a sensing circuit 10 , a heating circuit 20 , a water temperature monitoring circuit 30 and a power supply circuit 40 . The sensing circuit 10 is used to control and turn on the heating circuit 20 for heating when sensing that a user is in the sensing area, and the water temperature monitoring circuit 30 is used to detect that the water temperature reaches a preset temperature The heating circuit 20 is controlled to be turned off, and the power supply circuit 40 is used to provide electric energy to the sensing circuit 10 , the heating circuit 20 and the water temperature monitoring circuit 30 .
[0018] The sensing circuit 10 includes a first operational amplifier A1, a sensor T1, a first resistor R1, a second resistor R2, a third resistor R3, a fourth resistor R4 and a fifth resistor R5. The first operational amplifier A1 includes a first posit...
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The invention provides a water dispenser control circuit. The water dispenser control circuit and control method comprises a sensing circuit, a heating circuit, a water temperature monitoring circuit and a power supply circuit, wherein the sensing circuit is used for sensing whether a user enters a sensing area; the heating circuit is used for heating the water; the water temperature monitoring circuit is used for monitoring the water temperature; the power supply circuit is used for supplying power to the sensing circuit, the water temperature monitoring circuit and the heating circuit; when the user enters the sensing area of the sensing circuit, the sensing circuit control the heating circuit to be started to heat the water; and the water temperature monitoring circuit only controls the heating circuit to be closed until the water temperature monitoring circuit monitors that the water temperature reaches a set temperature. By using the water dispenser control circuit provided by the invention, the opening the heating circuit is controlled by the sensing circuit and the closing of the heating circuit is controlled by the water temperature monitoring circuit, so that the water dispenser only heats the water after the user is sensed and directly heats the water to the set temperature. The invention further provides a water dispenser control method.
Description
technical field [0001] The invention relates to a water dispenser, in particular to a control circuit and a control method of the water dispenser. Background technique [0002] The water dispenser has become a necessary household appliance in people's life, and most of the water dispensers on the market adopt the circulation heating method. The working principle is that when the user turns on the heating button, the heating element in the water dispenser starts to The water is heated, when the water is heated to a first temperature, the heating element stops heating, and when the water cools to a second temperature, the heating element automatically starts to heat again, and the cycle is maintained. [0003] In order to solve the above problems, researchers have developed a water dispenser with infrared sensing function. When not in use, the heating element is turned off. And if the water dispenser needs a long time to heat the water to the first temperature, this just mak...
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IPC IPC(8): G05D23/30A47J31/44
CPCA47J31/44G05D23/30A47J31/56
Inventor 李辉
Owner HONG FU JIN PRECISION IND (SHENZHEN) CO LTD