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目的 测量工业用水中的硅酸根含量方法 基于光电比色原理,由8031单片机、模数转换芯片(AD574)、时钟芯片(DALLAS12887)、串行通讯芯片(ICL232),并通过扩展接口芯片(8255)外接液晶显示器(16×1LCD)、触摸键盘(4×4阵列)以及微型打印机(TPμp16A),构成一个多功能的智能分析仪结果 该单片机系统可对模拟检测信号进行线性放大,对检测数据实时采集、分段回归计算、实时显示和打印输出,同时可通过上、下微机通讯实现对检测数据进行分析和存储结论 采用零点自动补偿和分段回归方法,提高了分析仪的测量精度而且,该仪器功能强、成本低、操作方便、稳定性好
Aim To measure the content of silicate in industrial water, based on the principle of photoelectric colorimetry, this method is composed of 8031 singlechip, AD574, DALLAS12887, ICL232 and interface chip (8255) (16 × 1 LCD), touch keyboard (4 × 4 array) and micro-printer (TPμp16A) to form a multi-functional intelligent analyzer. Result The SCM system can amplify the analog detection signal linearly and acquire the real-time detection data , Piecewise regression calculation, real-time display and print output, at the same time through the upper and lower computer communication to achieve the detection of data analysis and storage Conclusion Zero automatic compensation and segmentation regression method to improve the measurement accuracy of the analyzer Moreover, the instrument Strong function, low cost, easy operation, good stability