【摘要】 介绍了用光电编码器、DS1302日历芯片、单片机、LED显示器作为检测、计时、控制、显示等器件,实现钟罩式气体计量器自动控制。并且用来检定煤气表,记录煤气表的瞬时流量、累积流量和基本误差,最后自动打印上述各项检定参数。更多还原

【Abstract】 Photoelectric encoder,DS1302 calendar chip single chip computer and LED display were used as detector,timer,controller and display device respectively to realize automatic contral of bell-type gas measuring apparatus.Its functions include verification of gasometer,recording of instantaneous flowrate,cumulative flowrate and basic error of gasometer,and automatic printing of above-mentioned verification parameters.更多还原