Control system circuit of electric oven

Abstract

The invention discloses a control system circuit of an electric oven, which comprises a main control circuit, a touch key control circuit, a temperature detection circuit, a display output circuit and a control output circuit. The control system circuit is characterized by also comprising a power off memory circuit used for storing operation information which is input to the main control circuit by the touch key control circuit, wherein the power off memory circuit is provided with a trigger input end and an information read-write end, the trigger input end of the power off memory circuit is connected with the trigger output end of the main control circuit, and the information read-write end of the power off memory circuit is connected with the communication end of the main control circuit. The power off memory circuit is additionally arranged in the control system circuit of the electric oven, a gear mode of the current work of the electric oven and parameters such as temperature setvalues and the like corresponding to the gear mode by a user can be stored; and when the electric oven is powered off and then restarted, the main control circuit can read relevant setting information stored in the power off memory circuit and continuously work, the user does not need to reset the working parameters to the electric oven, thus operation automation of the electric oven is increased.

Description

technical field [0001] The invention relates to a control circuit, in particular to a control system circuit of an electric oven. Background technique [0002] The electric oven is an electric heating appliance that uses the radiant heat emitted by the electric heating element to bake food. It is mainly composed of a cabinet, an electric heating element, a convection motor, and a cooling motor. Traditional electric ovens generally have three control units: temperature control, function control and timing control. Most of these three control units are independently operated and controlled by mechanical switches. In order to display the current working status of the oven, the Around the operation switch, there are also marks showing the current working status of the operation unit. These marks are mostly designed with panel silk screen printing, but the display content of this panel silk screen design is limited, and interactive operation cannot be realized. [0003] In order...

AI Technical Summary

Problems solved by technology

[0004] However, if the oven of the above-mentioned patent loses power suddenly during use, it cannot continue to work according to the previously set function mode after power-on, but needs to reset the original operating parameters (such as heating time, heating temperature, etc.) or heating mode, etc.), causing inconvenience in use; moreover, in actual use, sometimes the power switch is turned on when the oven door is not closed tightly or the door is not locked, which can easily damage the oven and even cause safety accidents, therefore, it is also necessary to further improve the existing oven

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