| 摘要 |
PURPOSE: A damage detection device of the underground wire of an apartment house is provided to rapidly execute repair work by transmitting the detection value of a pressure detection sensor to a management part through a control box. CONSTITUTION: A connection unit(10) surrounds a buried pipe. A coupling piece is formed in the upper end and the lower end of the connecting unit. One end of a wire(20) is inserted into the coupling piece which is formed in the upper end of the connecting unit. The other end of the wire is inserted into a sensing box(30). The sensing box is connected to the connecting unit with two wires. A resistance plate(40) is arranged in the upper side of the sensing box. A control box(50) is arranged on the resistance plate. |
