Spray nozzle and magneto electric transformation, which uses diaphragm valve and water steelingproof to compose integration of IC card water current meter by IC card and monolithic processor.

• 本文根据节水科学管理的要求,介绍一种采用双喷嘴侧射流测量机构和磁电转换的流量测量原理,利用隔膜阀控制机构和防窃水结构,由IC卡和单片机系统组成的一体化IC卡水表。