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Control circuit of electric kettle

A technology for controlling circuits and electric kettles, which is applied in the direction of using electric means for temperature control, boiling water utensils, cooking utensils, etc., can solve problems such as leakage, inconvenience, and overflow of water, and achieve the effect of ensuring safety.

Inactive Publication Date: 2012-07-04
张永超
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Now some electric kettles are also equipped with water supply devices, that is, you can directly fill the kettle with water by pressing the button, but because there is no water level control, the water will often overflow, which is very inconvenient, and it may also cause leakage. Danger

Method used

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  • Control circuit of electric kettle
  • Control circuit of electric kettle
  • Control circuit of electric kettle

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Embodiment Construction

[0013] refer to figure 1 , figure 2 , a control circuit for an electric kettle, including a main control chip, a power supply circuit, a temperature measurement circuit, a display circuit and a water level control circuit, the output terminals of the power supply circuit, temperature measurement circuit, water level control circuit and display circuit are respectively corresponding to the main control chip port connected. The water level in the pot can be controlled in real time through the water level control circuit. Once the specified water level is reached, the water level probe outputs a low level to the I / O port of the main control chip, and then the main control chip controls the water level switch to turn off the water inlet device. , which can effectively prevent the user from forgetting to turn off the water supply and cause the water in the kettle to overflow, and at the same time ensure the safety of the kettle.

[0014] Wherein, the water level control circuit ...

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Abstract

The invention discloses a control circuit of an electric kettle. The control circuit of the electric kettle comprises a main control chip, a power circuit, a temperature measuring circuit, a display circuit and a water level control circuit. The output ends of the power circuit, the temperature measuring circuit, the water level control circuit and the display circuit are connected with a corresponding port of the main control chip respectively. The water level in the kettle can be controlled by the water level control circuit in real time. In case that the water level in the kettle reaches an appointed water level, a water level probe outputs a low electric level to the I / O (Input / Output) port of the main control chip. Then the main control chip controls a water level switch to close a water inlet device. In the way, the phenomenon of water overflowing in the kettle when a user forgets to switch off water supply is effectively avoided. Meanwhile, the safety in use of the kettle is guaranteed.

Description

technical field [0001] The invention relates to a control circuit of an electric kettle. Background technique [0002] Electric kettles are widely used in tea art. The existing electric kettles are equipped with some protective measures, such as temperature detection, water shortage protection, etc. The temperature detection is used to control the water temperature in the pot, and the water shortage protection prevents dry boiling. Now some electric kettles are also equipped with water supply devices, that is, you can directly fill the kettle with water by pressing the button, but because there is no water level control, the water will often overflow, which is very inconvenient, and it may also cause leakage. Danger. Contents of the invention [0003] The object of the present invention is to provide a control circuit of an electric kettle, which adds water level control to prevent the water from overflowing when adding water. [0004] The present invention achieves the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A47J27/21A47J36/00G05D23/19
Inventor 黄静宇张永超
Owner 张永超
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