Design and implementation of concentrator in wireless gas meter reading system

Aiming at the deficiencies of the current wireless gas meter reading system of concentrator data transmission of the single aspect.A transmission mode concentrator based on three networkis presented.The concentrator system design with LPC1768as the main chip,coupled with high-performance RF chip Si4432,Ethernet controller ENC28J60and 3G module EM770W,and the specific hardware and software design of each module are given.Field test shows that the concentrator has many means of data transmission;seamless switching between ways,meter reading is reliable,accurate and meter reading area data transmission without blind spots,etc.It has a good application prospect and popularization value.