一种对多个用户室内的管道煤气、自来水、电的使用、计量及收费集中监控管理的计算机网络系统。其特点为一个用户室内仅一块计量仪表，通过计算机通讯网络集中管理。用户先交费后才能使用煤气、自来水或电。用户表的核心为ＭＣＳ—８０４４单片机，通讯网络选用ＢＩＴＢＵＳ总线系统，ＳＩＵ自动方式，表内蓄电池可自充电。 A computer network system that centrally monitors and manages the use of piped gas, tap water, and electricity in multiple user rooms. Its characteristic is that there is only one meter in a user’s room, which is managed centrally through the computer communication network. Users can use gas, tap water, or electricity before paying. The core of the user table is the MCS-8044 single-chip microcomputer, the communication network uses the BITBUS bus system, SIU automatic mode, the internal battery can be self-charging.