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Electromagnetic heating cooking system and heating control device and control method thereof

A heating control device and heating control technology, applied in the direction of electric heating device, induction heating control, electric/magnetic/electromagnetic heating, etc., can solve the problems of harmonic current and voltage flicker, short flicker level exceeding the standard, etc., to reduce harmonic wave current, improving voltage flicker medium and short flicker level values, and improving the effect of medium and short flicker level values

Active Publication Date: 2017-10-27
FOSHAN SHUNDE MIDEA ELECTRICAL HEATING APPLIANCES MFG CO LTD
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  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

However, the problem with related technologies is that if the duty cycle and the cycle value of the duty cycle are not set properly, it is easy to cause the short flicker level value of the harmonic current and voltage flicker in the EMC test items to exceed the standard

Method used

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  • Electromagnetic heating cooking system and heating control device and control method thereof
  • Electromagnetic heating cooking system and heating control device and control method thereof
  • Electromagnetic heating cooking system and heating control device and control method thereof

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Embodiment Construction

[0030] 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.

[0031] The electromagnetic heating cooking system and its heating control device and control method proposed by the embodiments of the present invention are described below with reference to the accompanying drawings.

[0032] figure 1 It is a flow chart of the heating control method of the electromagnetic heating cooking system according to the embodiment of the present invention. Such as figure 1 As shown, the heating control method includes the following steps:

[0033] S1: Obtain the target heating power of the electromagn...

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Abstract

The invention discloses an electromagnetic heating cooking system and a heating control device and control method thereof. The method comprises the following steps of acquiring a target heating power of the electromagnetic heating cooking system, wherein the target heating power is smaller than a preset power threshold; acquiring a heating duty ratio N / M according to the target heating power, wherein a period value M of the heating duty ratio N / M is larger than or equal to four AC half-wave periods, and a heating frequency corresponding to the heating duty ratio N / M is larger than a first preset frequency and smaller than a second preset frequency, N and M are positive integers, and N is smaller than M; and controlling the electromagnetic heating cooking system to perform low-power heating according to the heating duty ratio N / M so that a harmonic current and a short term flicker severity value in voltage flicker conform to electro magnetic compatibility (EMC) test standard. Therefore, the change of a current waveform can be slow by increasing the period value, and the harmonic current is reduced; and meanwhile, by appropriately controlling the heating duty ratio N / M, the short term flicker severity value in the voltage flicker can be improved, so that the harmonic current and the short term flicker severity value conform to the EMS test standard.

Description

technical field [0001] The invention relates to the technical field of household appliances, in particular to a heating control method of an electromagnetic heating cooking system, a control device of the electromagnetic heating cooking system and an electromagnetic heating cooking system with the device. Background technique [0002] The electromagnetic heating cooking system in the related art usually adjusts the heating duty cycle in a half-wave counting manner to achieve low-power heating. However, there is a problem in the related technology that if the duty ratio and the period value of the duty ratio are set unreasonably, it is easy to cause the short flicker level value of the harmonic current and voltage flicker in the EMC test items to exceed the standard. [0003] Therefore, related technologies need to be improved. 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 exten...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H05B6/06
CPCH05B6/062
Inventor 江德勇王云峰
Owner FOSHAN SHUNDE MIDEA ELECTRICAL HEATING APPLIANCES MFG CO LTD
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