Water temperature boiling point judging method and device and electric kettle

A technology for judging device and water temperature, which is applied to water-boiling utensils, cooking utensils, household utensils, etc., can solve the problems of jitter and large delay in the temperature detection of the temperature sensor, and achieve the effect of preventing continuous boiling of water and reducing lag.

Active Publication Date: 2016-02-17
GREE ELECTRIC APPLIANCES INC
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

The temperature sensing package generally has the defects of large jitter and delay in temperature detection

Method used

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  • Water temperature boiling point judging method and device and electric kettle
  • Water temperature boiling point judging method and device and electric kettle
  • Water temperature boiling point judging method and device and electric kettle

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Embodiment Construction

[0042] In order to make the object, technical solution and advantages of the present invention more clear, the method and device for judging the water temperature and boiling point of the present invention and the specific implementation of the electric kettle will be described below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0043] see figure 1 , the curve with more peaks and troughs in the middle is the real temperature of the water temperature, the lower curve is the theoretical temperature detected by the temperature sensor calculated according to the delay parameter of 15 seconds, and the upper curve is the corresponding AD value change curve. From figure 1 It can be seen from the figure that from the beginning of heating until the water temperature is close to the boiling point, the temperature rise rate of the th...

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Abstract

The invention discloses a water temperature boiling point judging method which comprises the following steps: heating water and detecting current water temperature; calculating current temperature rise speed according to the current water temperature, if the current temperature rise speed is lower than the boiling temperature rise speed, and the water temperature reaches a boiling point, stopping heating; and if not, further heating. The method can timely stop heating when the water temperature reaches the boiling point, so that lag of time for judging water temperature boiling point is effectively reduced, continuous boiling of the water can be prevented, and health of a human body is facilitated. The invention further discloses a water temperature boiling point judging device and an electric kettle.

Description

technical field [0001] The invention relates to the field of water temperature detection, in particular to a water temperature and boiling point judgment method and device and an electric kettle. Background technique [0002] Most of the existing electric kettles with software temperature control use temperature-sensing packages for single-point measurement of water temperature to detect water temperature. The temperature sensing package generally has the defects of jitter and large delay in temperature detection. Therefore, it takes a long time to judge whether the water temperature in the kettle has reached the boiling point by detecting the water temperature through the temperature sensing package, and then judging the water temperature point or the water temperature does not change. It takes 30 seconds to correctly judge the requirement for boiling water to be completed. Contents of the invention [0003] Based on this, it is necessary to provide a water temperature ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A47J27/21A47J36/00
Inventor 谢浙韦嘉张秋俊卫雪松郭炳辉
Owner GREE ELECTRIC APPLIANCES INC
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