Method and device for controlling water boiling temperature

A technology of boiling water and water temperature, applied in temperature control, non-electric variable control, control/regulation system, etc., can solve the problems of heating plate residual heat overshoot, electromagnetic interference, user inconvenience, etc., to achieve accurate water temperature control and effective heating The effect of temperature

Active Publication Date: 2016-03-09
GREE ELECTRIC APPLIANCES INC
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  • Abstract
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  • Claims
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AI Technical Summary

Problems solved by technology

However, this method of frequently switching on and off components will seriously affect the service life of the internal components of the electric kettle. In addition, controlling the output power through chopping will cause serious electromagnetic interference, which will cause inconvenience to users.
At the same time, the above two common methods are inevitably affected by the delay of the temperature sensing package and the overshoot of the residual heat of the heating plate, resulting in excessive temperature heating.
[0004] In view of the above problems, no effective solution has been proposed

Method used

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  • Method and device for controlling water boiling temperature
  • Method and device for controlling water boiling temperature

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Embodiment Construction

[0055] In order to enable those skilled in the art to better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described The embodiments are only some of the embodiments of the present application, but not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the scope of protection of this application.

[0056]figure 1 It is a flow chart of a method for controlling the temperature of boiling water provided in the embodiment of the present application. Although the processes described below include multiple operations occurring in a particular order, it should be clearly understood that these processes may include more or fewer oper...

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PUM

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Abstract

The invention provides a method and device for controlling water boiling temperature. The method includes the steps of: determining a first difference value between an initial temperature of water to be boiled and a preset mode temperature; according to a relation between the first difference value and a first temperature constant, determining a first heating time length; after heating the water to be boiled for the first heating time length, determining a first current temperature of the water to be boiled; stopping heating the water to be boiled and recording a second current temperature of the water to be boiled after a first preset time length; determining a water temperature increment between the first current temperature and the second current temperature; and utilizing the water temperature increment to prejudge a heating time length, and controlling heating temperature of the water to be boiled. The method and device for controlling the water boiling temperature provided by the invention can reduce influence of an output power change on temperature control, and solve the problem of excessive heating.

Description

technical field [0001] The invention relates to the technical field of automation control, in particular to a method and device for controlling the temperature of boiling water. Background technique [0002] The electric kettle is an indispensable electrical appliance in the current furniture appliances. The electric kettle can heat the water in the electric kettle through the built-in heating plate to reach a temperature suitable for drinking. [0003] At present, how to control the boiling water temperature in the electric kettle has become a research hotspot. A common method is to control the temperature of the water to be boiled in the electric kettle in real time by calculating the output power of the electric kettle and the corresponding relationship between the output power and the heating temperature. However, temperature control using this method will be affected by the output power. When the output power changes, the corresponding heating temperature will change, ...

Claims

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Application Information

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IPC IPC(8): G05D23/30
CPCG05D23/306
Inventor 卫雪松郭炳辉方召军谢浙韦嘉
Owner GREE ELECTRIC APPLIANCES INC
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