论文部分内容阅读
一、用途 电子吨位计数器与煤矿井口处煤提升机主电机电流互感器配套使用,能将煤罐数(即吨数)连续自动显示出来,以供调度人员及时准确地掌握生产情况。 二、性能及技术特征 计数范围:0~999(三位数) 电源:交流220y,50HZ 直流24V 安装形式:箱式 消耗功率:交流(?)100W,直流(?)2W 三、工作原理 电子吨位计数器由检测、延时触发放大、计数显示和电源四部分组成。作用原理如附图所示。检测部分由电流继电器(采用DL—11/6与安互感器配套,它装在
First, the use of electronic tonnage counter coal mine hoist at the main motor current transformer supporting the use of coal cans (tons) continuous automatic display for the dispatcher timely and accurate grasp of production. Second, the performance and technical characteristics Count range: 0 ~ 999 (three digits) Power: AC 220y, 50HZ DC 24V Installation: box Power consumption: AC 100W, DC 2W Working principle Electronic tonnage Counter by the detection, delay trigger amplification, count display and power supply four parts. The principle of action is shown in the attached figure. Detection part of the current relay (using DL-11/6 and the mutual transformer matching, which installed