| 摘要 |
<p>PURPOSE: An air ventilating/circulating device is provided to enhance the efficiency of the air circulation using a main circulating unit. CONSTITUTION: An air ventilating/circulating device comprises a case(10), a heat exchanger, a first damper(51) for blocking the exhaust of the indoor air, a second damper(52) for blocking the inflow of the outdoor air, an indoor air exhaust pipe(61), a sterilizing module(71), and controller(80). The controller is connected to a gas sensor for sensing the exhaust of the gas, to a temperature/smoke sensor installed on a kitchen or a room, to an emergency lighting installed at the entrance of a house and to a storage battery and the commercial power supply in preparation for blackout due to fire, opens and closes the supply of the gas to the cooking utensils, which are installed in the kitchen.</p> |
