NB valve control ultrasonic water meter

The utility model aims to provide an NB (Narrow Band) valve control ultrasonic water meter which comprises a microprocessor, an ultrasonic metering module, an NB communication module, a display module, a valve control module, an NB communication module control circuit, an SIM (Subscriber Identity Module) card interface circuit, a power supply circuit, a voltage detection circuit, a pressure detection interface circuit, an external storage circuit and a key circuit, according to the ultrasonic water meter, the advanced ultrasonic flow metering technology is adopted to obtain fluid flow, the NB internet of things communication technology is adopted to upload obtained water meter flow data to the management center through an NB network, the management center can remotely control opening and closing of a water meter valve, management of a management department on the meter is facilitated, and manpower and financial resources are saved. 本实用新型的目的是提供一种NB阀控超声波水表，含有微处理器、超声波计量模块、NB通信模块、显示模块、阀门控制模块、NB通信模块控电电路、SIM卡接口电路、电