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Electromagnetic cooking equipment, electromagnetic heating system and heating control method thereof

A heating system and electromagnetic technology, applied in the field of communication, can solve the problems of discontinuous power switching and high switching loss of IGBT tubes, and achieve the effect of short alternating heating cycle, reducing switching loss and preventing failure

Active Publication Date: 2021-12-21
FOSHAN SHUNDE MIDEA ELECTRICAL HEATING APPLIANCES MFG CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the problems in the related technology are that when the coil disks are alternately heated, the power switching is discontinuous, and the switching loss of the IGBT tube is high.

Method used

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  • Electromagnetic cooking equipment, electromagnetic heating system and heating control method thereof
  • Electromagnetic cooking equipment, electromagnetic heating system and heating control method thereof
  • Electromagnetic cooking equipment, electromagnetic heating system and heating control method thereof

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Embodiment Construction

[0034] The following describes in detail the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary, and are intended to explain the present invention and should not be construed as limiting the present invention.

[0035] The electromagnetic cooking device, the electromagnetic heating system and the heating control method of the electromagnetic heating system according to the embodiments of the present invention will be described below with reference to the accompanying drawings.

[0036] figure 1 is a schematic block diagram of an electromagnetic heating system according to an embodiment of the present invention. like figure 1 As shown, the electromagnetic heating system includes: a rectificatio...

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Abstract

The invention discloses an electromagnetic cooking device, an electromagnetic heating system and a heating control method thereof. The system includes: a rectification module, the input end of the rectification module is connected to an AC power supply; a plurality of resonant heating modules independent of each other; It is connected with the output terminal of the rectifier module; the zero-crossing detection module is connected with the AC power supply, and the zero-crossing detection module is used to detect the zero-crossing interval of the AC power supply to generate a zero-crossing detection signal; the control module and the control module are respectively connected with the crossing The zero detection module is connected to multiple resonant heating modules, and the control module is used to control the heating switching of multiple resonant heating modules according to the zero-crossing detection signal, so as to construct simultaneous heating of at least two resonant heating modules during the zero-crossing interval. interval. In this way, the system can control multiple resonant heating modules to heat alternately quickly, construct a simultaneous heating section when switching, make the power continuous during switching, and reduce the switching loss of the IGBT tube in the resonant heating module.

Description

technical field [0001] The invention relates to the field of communication technology, and in particular to an electromagnetic heating system, a heating control method of the electromagnetic heating system and an electromagnetic cooking device. Background technique [0002] The relevant part of the electromagnetic heating system has a multi-coil disk, which can control a heating body in an alternate heating manner. However, the problem in the related technology is that when the coil disks are alternately heated, the power switching is discontinuous, and the switching loss of the IGBT tube is high. [0003] Therefore, there is a need for improvement in the related art. Contents of the invention [0004] The present invention aims to solve one of the technical problems in the related art at least to a certain extent. Therefore, an object of the present invention is to provide an electromagnetic heating system capable of controlling multiple resonant heating modules to heat...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H05B6/06
CPCH05B6/06H05B2206/02
Inventor 雷俊曾露添王云峰张帆江德勇黄庶锋卞在银刘文华
Owner FOSHAN SHUNDE MIDEA ELECTRICAL HEATING APPLIANCES MFG CO LTD
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