As our countty economy is being more progressive, the management of waters electronic and gas is more and more important. Consequently, there need a new management mode to replace the exiting mode. This paper introduces the implementation of a new type network-oriented intelligent water meter-check system. Photoelectric sensor is used to count the water wastage of water meter, and the electronic information id transmitted by RS?85 Bus and telephone network. It not only can realize out-homing in checking water- meter, but also can realize high automation. |