生物需氧量(BOD)是一种表征水体有机污染程度的综合指标,广泛用于水体检测和污水处理厂的运行控制.概述了生物传感器BOD快速测定仪电气控制系统的工作原理,详细介绍了该仪器的硬件配置和软件设计,其用户界面设计为人机友好的视窗模式,从而实现自动检测实时显示等功能,能够满足水体有机污染快速准确检测的要求,对于我国水质评价、合理利用水资源及水处理效率的提高具有重要意义.%Characterization of biochemical oxygen demand (BOD) is a comprehensive index which shows the degree of organic pollution of water. The index is widely used in operation control of water test and wastewater treatment plant. The operating principle of electrical control system of BOD rapid determination instrument using biosensor is outlined. The purpose and significance of the system is introduced briefly. Hardware configuration and software design of the instrument are detailed. User-friendly man-machine interface is designed for the window mode in order to achieve the function of automatic detection of real-time display to meet the requirements of quick and accurate test of organic pollution. It' s important for the evaluation of water quality, rational use of water resources and water efficiency.
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