Electric kettle control circuit and electric kettle
A technology of electric kettle and control circuit, which is applied in the direction of program control, computer control, general control system, etc. It can solve the problems of judging electric kettles, potential safety hazards, energy waste, etc., so as to prevent energy waste, improve safety, and avoid energy waste Effect
Pending Publication Date: 2020-08-25
何丽萍
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Problems solved by technology
Existing electric kettles often judge whether the electric kettle is heated normally by detecting the temperature of the water. When the heating device is disconnected, open or fails, the electric kettle will not detect the water in the kettle body, and the electric kettle cannot be judged by the temperature of the water. If it is working normally, the control circuit of the electric kettle will continue to supply power to the heating device, which will cause energy waste and may cause safety accidents at the same time, which has certain potential safety hazards.
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[0029] 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 only for explaining the present invention and should not be construed as limiting the present invention.
[0030] In the description of the present invention, several means one or more, and multiple means more than two. Greater than, less than, exceeding, etc. are understood as not including the original number, and above, below, within, etc. are understood as including the original number. If the description of the first and second is only for the purpose of distinguishing the technical features, it cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or...
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The invention discloses an electric kettle control circuit and an electric kettle. The control circuit comprises a main controller, a main control circuit, a voltage detection circuit and a current detection circuit. The input end of the main control circuit is connected with an external power source, the output end of the main control circuit is electrically connected with a heating device of theelectric kettle, and the control end is connected with the main controller. The input end of the voltage detection circuit is electrically connected with the output end of the main control circuit, and the output end of the voltage detection circuit is electrically connected with the main controller. The output end of the current detection circuit is electrically connected with the output end ofthe main control circuit, and the output end is electrically connected with the main controller. According to the invention, whether the heating device is opened or closed or fails or not can be judged by detecting the voltage value transmitted to the heating device, power supply to the heating device is cut off in time when it is detected that the heating device is abnormal, safety accidents caused by energy waste and continuous power supply are prevented, and the use safety of the electric kettle is improved.
Description
technical field [0001] The invention relates to the field of electric kettles, in particular to an electric kettle control circuit and the electric kettle. Background technique [0002] As a kind of hot water tool, electric kettle is widely used in people's daily life, which greatly facilitates people's daily life. Existing electric kettles often judge whether the electric kettle is heated normally by detecting the temperature of the water. When the heating device is disconnected, open or fails, the electric kettle will not detect the water in the kettle body, and the electric kettle cannot be judged by the temperature of the water. If it is working normally, the control circuit of the electric kettle will continue to supply power to the heating device, which may cause safety accidents while causing energy waste, which has certain potential safety hazards. Contents of the invention [0003] The present invention aims to solve at least one of the technical problems existin...
Claims
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IPC IPC(8): G05B19/042G01R19/00G01R31/54G01D21/02A47J27/21
CPCG05B19/0425G01R19/00G01R31/54G01D21/02A47J27/21008
Inventor 李高升何丽萍
Owner 何丽萍