| 摘要 |
PURPOSE: A fire watch device of power distribution equipment is provided to appropriately deal with fire in an initial state by alarming an emergency signal through the detection of an initial fire state. CONSTITUTION: Temperature sensors are installed within power distribution equipment. The temperature sensor senses the temperature according to overheating. Smoke detectors(20a-20c) are installed within the power distribution equipment. The smoke detector senses the smoke according to overheating. A comparison unit(50) compares the voltage and the set reference voltage from the temperature sensor and smoke detector. A control unit(30) outputs a signal for fire alarm. |
