| 摘要 |
An underground pipe having a distribution line and fire fighting equipment is provided to immediately recognize generation of a fire and early extinguish the fire. An underground pipe(100) having a distribution line(110) and fire fighting equipment includes a gas exhaust device(200), an extinguishing gas supply apparatus(300), and an extinguishing powder discharge device(400). The gas exhaust device is composed of a case laid on a ground surface, a door placed in the case, a torsion spring supporting the door, a connecting pipe of which upper and lower ends are connected to the case and the underground pipe respectively, a closing film closing a lower end of the connecting pipe, and a first wire. One upper end of the first wire is connected to the door and the other end of the first wire is fixed at the combustible closing film. The extinguishing gas supply apparatus is composed of an extinguishing gas receiving member to receive extinguishing gas, an extinguishing gas supply line of which one and the other ends are connected to the extinguishing gas receiving member and the underground pipe respectively, a valve to control a flow of the extinguishing gas, a pump placed at the extinguishing gas supply line, a detecting unit to detect opening and closing of the door, and a control unit to control the valve and the pump. The extinguishing powder discharge device receives extinguishing powder and is installed inside the underground pipe. |
