Empty pot detection method for induction cooker
A detection method and technology of an induction cooker, which are applied to household stoves/stoves, electric heating fuels, household heating, etc., can solve problems such as easily damaged cooking utensils, temperature sensor lag in temperature sensing, hidden dangers, etc., and achieve an improved use safety. Effect
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[0048] Example one
[0049] A long time period of 12s after the induction cooker is started is regarded as the detection stage, and the detection stage is the normal heating stage of the induction cooker.
[0050] In the time period of the detection stage 12s, the controller of the induction cooker controls the heating device of the induction cooker to quantitatively heat the inner pot, and the quantitative heat is 400Wh.
[0051] In the initial stage of the detection phase, it is given by a rectangular heating pulse, which is turned on for 3s and outputs 400W, such as figure 2 Shown.
[0052] In the time period of the detection phase 12s, the temperature detection device in the induction cooker measures the temperature of the inner pot in real time, and feeds back the above temperature value to the controller of the induction cooker.
[0053] The controller of the induction cooker first obtains the temperature point value T0 when the inner pot starts to heat, and then obtains the high...
Example Embodiment
[0055] Example two
[0056] A long time period of 12s after the induction cooker is started is regarded as the detection stage, and the detection stage is the normal heating stage of the induction cooker.
[0057] In the time period of the detection stage 12s, the controller of the induction cooker controls the heating device of the induction cooker to quantitatively heat the inner pot, and the quantitative heat is 400Wh.
[0058] In the detection phase, it is given by two rectangular heating pulses. The rectangular heating pulse is turned on for 3s and outputs 200W, and the two rectangular heating pulses output 400W, such as image 3 Shown.
[0059] In the time period of the detection phase 12s, the temperature detection device in the induction cooker measures the temperature of the inner pot in real time, and feeds back the above temperature value to the controller of the induction cooker.
[0060] The controller of the induction cooker first obtains the temperature point value T0 whe...
Example Embodiment
[0062] Example three
[0063] A long time period of 12s after the induction cooker is started is regarded as the detection stage, and the detection stage is followed by the normal heating stage of the induction cooker.
[0064] In the time period of the detection stage 12s, the controller of the induction cooker controls the heating device of the induction cooker to quantitatively heat the inner pot, and the quantitative heat is 400Wh.
[0065] In the detection phase, the quantitative heat is given in the form of continuous low power, the output time is 12s, the total output is 400W, such as Figure 4 Shown.
[0066] In the time period of the detection phase 12s, the temperature detection device in the induction cooker measures the temperature of the inner pot in real time, and feeds back the above temperature value to the controller of the induction cooker.
[0067] The controller of the induction cooker first obtains the temperature point value T0 when the inner pot starts to heat, an...
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