| 摘要 |
PURPOSE: An alarm device is offered to display an alarm signal for an abnormal signal such as a leakage of gas, a robbery, a fire using a controller of a refrigerator. CONSTITUTION: An operation of an alarm device contains the steps of setting up an alarm device by an operation of a user while operating of a refrigerator, enabling radio frequency module and judging an abnormal signal by a microcomputer. If there is an abnormal signal, an alarm signal of a buzzer sound(600-600n) and an alarm screen(500-500n) is outputted through the display unit of a refrigerator according to the kinds of abnormal signals by judging data for an abnormal signal such as a leakage of gas, a robbery and a fire. Thereby, the alarm device of a refrigerator prevents an accident previously. Also, a user can easily have an alarm device in a narrow place by displaying an alarm situation through a refrigerator without buying an additional alarm device and can reduce a cost.
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