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本文阐述一种新型的以 AT89C2 0 5 1单片机为核心的智能化测井流速传感器设计 ,该传感器采用 TL C2 5 43 12位串行 A/ D转换器、MAX485 E半双工收发器构成数据采集/远程传输模块 ,有与 PC机远距离传输的功能 .实验结果表明 ,该设计方案具有模块功耗低、体积小、采样精度高、可靠性好、接口简便的特点 .
This paper describes a new design of an intelligent logging velocity sensor based on the AT89C2 0 5 1 microcontroller. The sensor uses a TL C2 5 43 12-bit serial A / D converter and a MAX485 E half-duplex transceiver to form the data acquisition / Remote transmission module, has the function of long-distance transmission with PC.Experimental results show that this design has the advantages of low power consumption, small size, high sampling precision, good reliability and simple interface.