Aiming at the problems of short transmission distance

small coverage area

weak penetration and poor stability of data transmission in current intelligent water meter reading system

an intelligent water meter reading system based on narrow-band Internet of things（NB-IoT） is proposed. Firstly

the overall framework of the system is designed. Then the main modules of the hardware and software of the system are introduced

including STM32 main control module

acquisition module

BC95 wireless communication module and power module

etc. The software mainly includes BC95 module communication module and concentrator main control module

etc. Finally

practical results on system show that the intelligent meter reading system based on NB-IoT has the advantages of long transmission distance

wide coverage area

strong penetration

stable data and low power consumption

which has a positive impact on the intelligent management of water supply companies.