An induction cooker and its control circuit, automatic/semi-automatic cooking equipment
A control circuit and induction cooker technology, applied in the fields of automatic/semi-automatic cooking equipment, induction cookers and their control circuits, can solve the problems of heating power variation, difficulty in ensuring heating consistency, and inability to give full play to the advantages of induction cookers to ensure stability and consistency sexual effect
Active Publication Date: 2016-03-30
AIC ROBOTICS TECH
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Problems solved by technology
Induction cookers generally use mains electricity as the working power supply. However, the existing induction cookers do not have good control over the heating power, which is likely to cause changes in the heating power when the mains or load characteristics change, and the heating stability of the induction cooker is poor.
The adjustment and control accuracy of the heating power is limited, it is difficult to ensure the consistency of heating, and the advantages of the induction cooker cannot be fully utilized
Method used
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Embodiment Construction
[0021] The present invention will be further described in detail below through specific embodiments in conjunction with the accompanying drawings.
[0022] Such as figure 1 as shown, figure 1 The basic working principle of the induction cooker is shown. For the sake of brevity, only the parts related to the heating of the induction cooker are shown in the figure, including the heating coil (heating coil disk) 1, the ceramic platen 2, and the induction cooker pot 3. The rest of the hob is not in the figure 1 As shown, those skilled in the art can understand that the induction cooker also includes other necessary components.
[0023] An induction cooker is generally heated by a heating coil plate for cooking. Its basic working principle is that the working power is converted into DC by a rectifier, and then converted from DC to 30kHz±Δf high-frequency AC by a high-frequency power conversion device, and the high-frequency AC is applied to the heating coil 1 of the heating coil...
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The invention discloses an induction cooker, a control circuit thereof and automatic / semiautomatic cooking equipment. The control circuit of the induction cooker comprises a current signal acquisition circuit, a control signal generation circuit and a coil driving circuit, wherein the current signal acquisition circuit is connected with the control signal generation circuit, the control signal generation circuit is connected with the coil driving circuit, the current signal acquisition circuit acquires current signals in the heating coil of the induction cooker and outputs the current signals to the control signal generation circuit, the control signal generation circuit generates frequency control signals according to the current signals and outputs the frequency control signals to the coil driving circuit, and the coil driving circuit drives the heating coil of the induction cooker according to the frequency control signals. The control circuit of the induction cooker has the advantages that the thermal power of the induction cooker can be accurately controlled and the stability and the consistency of electromagnetic heating are ensured.
Description
technical field [0001] The invention relates to an electromagnetic cooker, its control circuit, and automatic / semi-automatic cooking equipment. Background technique [0002] As a new cooking tool, the induction cooker has been gradually accepted by people. Compared with the gas stove, the induction cooker has the advantages of high efficiency and energy saving. Induction cookers generally use mains electricity as the working power supply. However, the existing induction cookers do not have good control over the heating power, which is likely to cause changes in the heating power when the mains or load characteristics change, and the heating stability of the induction cooker is poor. The adjustment and control accuracy of the heating power is limited, it is difficult to ensure the consistency of heating, and the advantages of the induction cooker cannot be fully utilized. Contents of the invention [0003] The technical problem to be solved by the present invention is to p...
Claims
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IPC IPC(8): H05B6/06F24C7/08
Inventor 刘信羽
Owner AIC ROBOTICS TECH