| 摘要 |
<P>PROBLEM TO BE SOLVED: To measure a use amount every dwelling unit without changing constitutions of the tubing and the wiring of a lifeline such as gas, water and electricity even if the dividing condition of the dwelling unit dividable into a plurality of small divided dwelling units is changed. <P>SOLUTION: This tubing/wiring system comprises branched tubings 32A, 32B that are branched from feeder tubing 32 and led into the small divided dwelling units 100A, 100B; measuring instruments 34A, 34B that are arranged at the branched passages 32A, 32B, and measure use amounts of gas and the like; a first valve 38 that can switch connection/disconnection between the branched passages 32A, 32B at a position downstream the measuring instruments 34A, 34B; and a second valve 40 that can switch the connection/disconnection between the branched passage 32A, 32B at a position upstream the measuring instruments 34A, 34B. In the system, opening and closing states of the first valve 38 and the second valve 40 are switched in accordance with the dividing conditions of the dwelling units. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
