| 摘要 |
PURPOSE: A gas alarm system is provided to prevent previously an accident due to the leakage of gas by performing a visual and an audio warning process using a green, a yellow, and a red color lamp and the alarm sound. CONSTITUTION: A gas alarm system includes a power supply unit(10), a gas detection unit(20), a temperature detection unit(30), a power monitoring unit(50), a memory, and a clock generation unit(70). The gas alarm system further includes a control unit, an alarm sound generation unit, and a state display unit. The control unit(40) output a control signal to detect the leakage of gas, display visually an abnormal state and a dangerous state according to the leaking of gas and output the alarm sound in the dangerous state. The alarm sound generation unit(80) generates the alarm sound according to the control signal of the control unit. The state display unit(90) displays a power state of the power supply unit, the abnormal state, and the dangerous state as a green color lamp, a yellow color lamp, and a red color lamp, respectively.
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