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Title:
FIRE TURN-OFF DETECTION METHOD AND APPARATUS FOR COOKING DEVICE, AND RANGE HOOD AND STORAGE MEDIUM
Document Type and Number:
WIPO Patent Application WO/2021/204235
Kind Code:
A1
Abstract:
A fire turn-off detection method and apparatus (100), and a range hood (110) and a storage medium (300). The fire turn-off detection method comprises: obtaining a temperature variation curve of a cooking device (200); according to the temperature variation curve, obtaining the slope of a temperature trend line corresponding to the temperature variation curve; obtaining a characteristic ratio of the temperature trend line according to the slope of the temperature trend line; within a preset duration, determining whether the characteristic ratio of the temperature trend line is less than a preset characteristic ratio, and accumulating the number of determinations; accumulating the number of detections that the characteristic ratio of the temperature trend line is less than the preset characteristic ratio; and when the number of determinations is greater than a first preset number and the number of detections is greater than a second preset number, determining that the fire of the cooking device (200) is turned off. A controller (10) of the fire turn-off detection apparatus (100) for the cooking device executes the fire turn-off detection method. The range hood (110) comprises the fire turn-off detection apparatus (100) for the cooking device (200). The non-volatile computer readable storage medium (300) comprises a computer executable instruction which is executed by a processor (400) to implement the fire turn-off detection method.

Inventors:
WOO, Chunkyu (CN)
LI, Yong (CN)
LEE, Jongmoon (CN)
CHENG, Gang (CN)
Application Number:
PCT/CN2021/086125
Publication Date:
October 14, 2021
Filing Date:
April 09, 2021
Export Citation:
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Assignee:
FOSHAN SHUNDE MIDEA WASHING APPLIANCES MANUFACTURING CO., LTD. (CN)
International Classes:
F24C15/20; F24C3/12
Attorney, Agent or Firm:
TSINGYIHUA INTELLECTUAL PROPERTY LLC (CN)
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