Heat preservation method of electric rice cooker
A rice cooker and heat preservation technology, which is applied in electric temperature control, cooking utensils, household appliances, etc., can solve the problems of cumbersome operation, power consumption, and lack of humanization for users, and achieve easy operation, power saving, and full automation Effect of Keep Warm Mode
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Embodiment 1
[0032] The electric rice cooker comprises a central controller, an opening and closing lid detection device connected with the central controller by electrical signals, an electric heater and a pot body temperature detector. The detection device for opening and closing the lid is a detection device for detecting the opening and closing of the lid, and transmits the two action processes of opening and closing the lid to the central controller through electrical signals. The pot body temperature detector is a detection device used to detect the pot body temperature, and can transmit the detected temperature to the central controller through electrical signals. The central controller is a complete set of circuits including a timer for processing various electrical signals of the rice cooker and controlling the working process of the rice cooker. The mode automatically detects, processes and controls the temperature, working time, and working mode of the rice cooker, and displays ...
Embodiment 2
[0036] On the basis of Example 1, as figure 2 Shown, the inventive method also comprises following control steps:
[0037] Step 1: When the rice cooker enters the energy-saving heat preservation state, the central controller detects whether the lid is opened (S101), if not, maintains the energy-saving heat preservation state until 12 hours after the cooking is finished, the central controller Control the electric rice cooker to enter the standby state (S106), if yes, enter step 2.
[0038] Step 2: The central controller controls the rice cooker to enter a normal heat preservation state after picking up the cover opening signal (S102), so as to compensate for heat loss in the cooker.
[0039] Step 3: After the rice cooker enters the normal heat preservation state, the central controller detects whether the lid is closed within the set time (S103), if not, the central controller controls the rice cooker to directly enter the standby state (S107 ), if yes, go to step 4.
[00...
Embodiment 3
[0042] On the basis of Example 1, as image 3 Shown, the inventive method also comprises following control steps:
[0043] Step A: Within 1 hour after the rice cooker enters the energy-saving and heat-preserving state, the central controller detects whether the lid is opened (S201). If so, the central controller picks up the lid-opening signal Control the electric rice cooker to enter the normal heat preservation state (S202), and start to compensate the heat loss in the cooker.
[0044] Step B: After the rice cooker enters the normal heat preservation state, the central controller detects whether the lid is closed within the set time (S203), if not, the central controller controls the rice cooker to directly enter the standby state (S208 ), if yes, go to step C.
[0045] Step C: The central controller starts to control the rice cooker to enter the energy-saving and heat-keeping state again after it is in the normal heat-keeping state for 1 hour since the last time the pot l...
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