Heating control method, heating control device and cooking appliance
A heating control device and heating control technology, which are applied in induction heating control, electric heating device, induction heating, etc., can solve the problems of complex hardware structure of heating control circuit, increase manufacturing cost, and affect the reliability of constant power heating process.
Active Publication Date: 2021-04-27
FOSHAN SHUNDE MIDEA ELECTRICAL HEATING APPLIANCES MFG CO LTD
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Problems solved by technology
[0003] (1) The hardware structure of the heating control circuit is complicated, which increases the manufacturing cost;
[0004] (2) Not only does it need to calculate the product of the current signal and the voltage signal in real time to determine the real-time power, but also the time synchronization characteristics of the current signal and the voltage signal are relatively high. If the two are out of sync, it may affect the reliability of the constant power heating process
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[0042] In order to understand the above-mentioned purpose, features and advantages of the present invention more clearly, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments can be combined with each other.
[0043] In the following description, many specific details are set forth in order to fully understand the present invention. However, the present invention can also be implemented in other ways different from those described here. Therefore, the protection scope of the present invention is not limited by the specific details disclosed below. EXAMPLE LIMITATIONS.
[0044] figure 1 A schematic flowchart of a heating control method according to an embodiment of the present invention is shown.
[0045] Such as figure 1 As shown, the heating control method acc...
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The invention provides a heating control method, a heating control device and a cooking utensil, wherein the heating control method includes: after obtaining a heating instruction with a specified power value, detecting an input analog voltage signal; The corresponding relationship between the signal and the target duty cycle determines a target duty cycle corresponding to any analog voltage signal at a specified power value. The technical scheme of the present invention does not need to monitor the voltage and current in real time to ensure power stability, which not only simplifies the hardware structure of the heating control circuit and reduces the cost, but also improves the reliability of power control.
Description
technical field [0001] The present invention relates to the technical field of heating control, in particular to a heating control method, a heating control device and a cooking utensil. Background technique [0002] In related technologies, based on the development of IH (Induction Heating, induction heating) technology, a variety of HI cooking appliances have emerged as the times require, such as IH rice cookers, IH induction cookers, HI electric kettles, and IH pressure cookers. In order to achieve constant power heating, it is necessary to simultaneously collect The voltage signal and the current signal are adjusted in real time. Specifically, the current sampling module and the voltage sampling module need to be set in the heating control circuit, which at least includes the following technical defects: [0003] (1) The hardware structure of the heating control circuit is complicated, which increases the manufacturing cost; [0004] (2) It is not only necessary to calc...
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IPC IPC(8): H05B6/06
CPCH05B6/06H05B6/062
Inventor 吕文灿李信合钟石刚陈晨
Owner FOSHAN SHUNDE MIDEA ELECTRICAL HEATING APPLIANCES MFG CO LTD