Control method and control circuit for cooking utensil and cooking utensil
The invention discloses a control circuit, a control method and a cooking utensil. The control method comprises the following steps: if a mains supply zero-crossing detection circuit does not detect a zero-crossing signal within a first preset duration t1, judging that the cooking utensil is in a po...
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| creator | FAN DUPING ZHU SHUOSHUO |
| description | The invention discloses a control circuit, a control method and a cooking utensil. The control method comprises the following steps: if a mains supply zero-crossing detection circuit does not detect a zero-crossing signal within a first preset duration t1, judging that the cooking utensil is in a power-down state; and converting the main control chip into a low-power-consumption mode, cutting off the driven load, and enabling the capacitor power supply circuit to supply power to the main control chip so that the working state of the cooking utensil is kept. Whether the voltage of the mains supply is stable or not is detected through the mains supply zero-cross detection circuit, when the cooking utensil is in the power-down state, the load driven by the cooking utensil is cut off, the capacitor power supply circuit is controlled to supply power to the main control chip, and the main control chip is converted into a low-power-consumption mode. The external loads are all cut off, and the control chip is convert |
| format | Patent |
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The control method comprises the following steps: if a mains supply zero-crossing detection circuit does not detect a zero-crossing signal within a first preset duration t1, judging that the cooking utensil is in a power-down state; and converting the main control chip into a low-power-consumption mode, cutting off the driven load, and enabling the capacitor power supply circuit to supply power to the main control chip so that the working state of the cooking utensil is kept. Whether the voltage of the mains supply is stable or not is detected through the mains supply zero-cross detection circuit, when the cooking utensil is in the power-down state, the load driven by the cooking utensil is cut off, the capacitor power supply circuit is controlled to supply power to the main control chip, and the main control chip is converted into a low-power-consumption mode. 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The control method comprises the following steps: if a mains supply zero-crossing detection circuit does not detect a zero-crossing signal within a first preset duration t1, judging that the cooking utensil is in a power-down state; and converting the main control chip into a low-power-consumption mode, cutting off the driven load, and enabling the capacitor power supply circuit to supply power to the main control chip so that the working state of the cooking utensil is kept. Whether the voltage of the mains supply is stable or not is detected through the mains supply zero-cross detection circuit, when the cooking utensil is in the power-down state, the load driven by the cooking utensil is cut off, the capacitor power supply circuit is controlled to supply power to the main control chip, and the main control chip is converted into a low-power-consumption mode. The external loads are all cut off, and the control chip is convert</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CONTROL OR REGULATING SYSTEMS IN GENERAL CONTROLLING FUNCTIONAL ELEMENTS OF SUCH SYSTEMS MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS PHYSICS REGULATING |
| title | Control method and control circuit for cooking utensil and cooking utensil |
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