| 摘要 |
PURPOSE: An automatic exhaust device of gas range hood detecting temperature is provided to detect temperature of exhaust gas of the range by a temperature sensor to automatically operate a sirocco fan according to the temperature. CONSTITUTION: A device has a temperature sensing part(10); and a fan velocity control device(20) to calculate temperature of exhaust gas of a range and automatically and gradually drive the fan according to the temperature. The temperature sensing part is placed on an inner surface of an inlet of a gas range hood. The fan velocity control device drives a fan correspondingly with temperature detected by the temperature sensing part.
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