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Induction cooking appliance and its control method and control device

A technology of cooking utensils and control methods, applied in the direction of electrical components, electronic switches, pulse technology, etc., can solve the problems of large IGBT loss, IGBT high-level turn-on, current resistance and temperature rise loss, etc., so as to improve the experience of the whole machine , Reduce the turn-on loss and ensure the effect of continuous turn-on

Active Publication Date: 2021-03-19
FOSHAN SHUNDE MIDEA ELECTRICAL HEATING APPLIANCES MFG CO LTD
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  • Abstract
  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

When the heating power is higher than 2100W, the single-tube electromagnetic heating topology is difficult to bear in terms of IGBT (Insulated Gate Bipolar Transistor, insulated gate bipolar transistor) current resistance value and temperature rise loss; when the heating power is lower than 1000W, a single resonance cycle Insufficient energy for resonance can easily lead to the high-level turn-on of the IGBT, causing the IGBT to lose a lot and the instantaneous surge current can easily exceed the maximum limit of the device

Method used

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  • Induction cooking appliance and its control method and control device
  • Induction cooking appliance and its control method and control device
  • Induction cooking appliance and its control method and control device

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Embodiment Construction

[0032] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

[0033] The control method of the electromagnetic cooking appliance, the control device of the electromagnetic cooking appliance and the electromagnetic cooking appliance having the control device according to the embodiments of the present invention will be described below with reference to the accompanying drawings.

[0034] In related technologies, the heating power of electromagnetic cooking appliances is set to 1000W-2100W for continuous heating, and the synchronous working states of IGBTs in each power segment are different. ...

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Abstract

The invention discloses an electromagnetic cooking appliance and a control method and control device thereof. The control method includes steps of obtaining a standard power of the electromagnetic cooking appliance, specifically, a power switch tube of the electromagnetic cooking appliance is controlled in a wave lossless mode to enable the electromagnetic cooking appliance to heat at the standardpower; receiving instructions from the user; obtaining the current power gear position according to the instructions from the user and obtaining wave loss ratio according to the current power gear position; and generating a current control signal according the wave loss ratio and a standard control signal corresponding to the standard power and controlling the power switch tube according to the current control signal. According to the control method, the turn-on loss of the power switch tube can be reduced, and at the same time, the electromagnetic cooking appliance can be kept continuously running, so that the experience effect of the entire device is improved.

Description

technical field [0001] The invention relates to the technical field of household appliances, in particular to a control method for an electromagnetic cooking appliance, a control device for the electromagnetic cooking appliance, and an electromagnetic cooking appliance with the control device. Background technique [0002] The continuous heating power setting range of current electromagnetic cooking appliances (such as induction cooker) is generally 1000W-2100W. When the heating power is higher than 2100W, the single-tube electromagnetic heating topology is difficult to bear in terms of IGBT (Insulated Gate Bipolar Transistor, insulated gate bipolar transistor) current resistance value and temperature rise loss; when the heating power is lower than 1000W, a single resonance cycle Insufficient energy for resonance can easily lead to the high-level turn-on of the IGBT, which makes the IGBT lose a lot and the instantaneous surge current can easily exceed the maximum limit of th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H03K17/567
Inventor 宣龙健汪钊卢伟杰陈振新杜放
Owner FOSHAN SHUNDE MIDEA ELECTRICAL HEATING APPLIANCES MFG CO LTD
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