<p><br></p><section class="_135editor" data-role="paragraph" style="font-size: medium; max-inline-size: 100%; margin: 0px; padding: 0px; border: 0px none; z-index: 0; overflow-wrap: break-word !important; outline: none 0px !important;"><p style="max-inline-size: 100%; clear: both; min-height: 1em; cursor: text; font-size: 14px; line-height: 1.75em; overflow-wrap: break-word !important; outline: none 0px !important;"><span style="max-inline-size: 100%; margin: 0px; padding: 0px; cursor: text; overflow-wrap: break-word !important; outline: none 0px !important;">&nbsp; &nbsp; 以郑州棉麻工程技术设计研究所研制的MJH—400型棉包回潮率在线测试装置为例进行介绍。<br style="max-inline-size: 100%; margin: 0px; padding: 0px; overflow-wrap: break-word !important; outline: none 0px !important;">&nbsp;&nbsp;&nbsp; 棉包在线检测系统主要由四大部分组成,即传感器(3只)、测试机(1台)、测试电源(电池2套)、主机(1台)。<br style="max-inline-size: 100%; margin: 0px; padding: 0px; overflow-wrap: break-word !important; outline: none 0px !important;">&nbsp;&nbsp;&nbsp; (1)传感器:主要包括回潮率传感器和温度传感器。回潮率传感器安装在打包机上压板的条铁上,温度传感器安装在回潮率传感器之中,它们都通过信号线与测试部分连接,传感器分环形传感器和针式传感器两种。<br style="max-inline-size: 100%; margin: 0px; padding: 0px; overflow-wrap: break-word !important; outline: none 0px !important;">&nbsp;&nbsp;&nbsp; (2)测试机:主要包括测试部分和无线发射部分。测试机的主要功能是用回潮率传感器采集电信号,经过电压采样、线性放大、数模转换等处理转化为数字信号后,再通过CPU计算出原始的回潮率,同时由采集到的温度值对结果进行修正,得到实际的回潮率。然后通过无线模块将回潮率数值发射于主机。<br style="max-inline-size: 100%; margin: 0px; padding: 0px; overflow-wrap: break-word !important; outline: none 0px !important;">&nbsp;&nbsp;&nbsp; (3)电源:将电池安装在电池盒中,与测试机相连,为测试机提供能源。</span></p><p style="max-inline-size: 100%; clear: both; min-height: 1em; cursor: text; font-size: 14px; text-align: center; line-height: 1.75em; overflow-wrap: break-word !important; outline: none 0px !important;"><img src="http://dayaotex-img.gz.bcebos.com/article/fffspic/tu6-13.png" _src="http://dayaotex-img.gz.bcebos.com/article/fffspic/tu6-13.png" data-ratio="0.8768768768768769" data-w="333" style="max-inline-size: 100%; margin: 0px; padding: 0px; max-width: 100%; overflow-wrap: break-word !important; outline: none 0px !important; height: auto !important;"></p><br style="max-inline-size: 100%; margin: 0px; padding: 0px; overflow-wrap: break-word !important; outline: none 0px !important;"><p style="max-inline-size: 100%; clear: both; min-height: 1em; cursor: text; font-size: 14px; line-height: 1.75em; overflow-wrap: break-word !important; outline: none 0px !important;"><span style="max-inline-size: 100%; margin: 0px; padding: 0px; cursor: text; overflow-wrap: break-word !important; outline: none 0px !important;">&nbsp;&nbsp;&nbsp; (4)主机:主要包括无线接收部分、数据处理部分和数据显示部分。无线模块接收测试机发送过来的回潮率值,在主机上显示数值并通过串口送往条码系统。<br style="max-inline-size: 100%; margin: 0px; padding: 0px; overflow-wrap: break-word !important; outline: none 0px !important;">&nbsp;&nbsp;&nbsp; MJH—400型棉包回潮率在线测试系统的测试原理如图6-13所示,电路原理如图6-14所示。</span></p><p style="max-inline-size: 100%; clear: both; min-height: 1em; cursor: text; font-size: 14px; text-align: center; line-height: 1.75em; overflow-wrap: break-word !important; outline: none 0px !important;"><img src="http://dayaotex-img.gz.bcebos.com/article/fffspic/tu6-14.png" _src="http://dayaotex-img.gz.bcebos.com/article/fffspic/tu6-14.png" data-ratio="0.6471774193548387" data-w="496" style="max-inline-size: 100%; margin: 0px; padding: 0px; max-width: 100%; width: 464px; overflow-wrap: break-word !important; outline: none 0px !important; height: auto !important;"></p><p style="max-inline-size: 100%; margin-bottom: 0px; clear: both; min-height: 1em; cursor: text; overflow-wrap: break-word !important; outline: none 0px !important;"><br style="max-inline-size: 100%; margin: 0px; padding: 0px; overflow-wrap: break-word !important; outline: none 0px !important;"></p></section><section class="_135editor" data-role="paragraph" id="autoparagraph" style="font-size: medium; max-inline-size: 100%; margin: 0px; padding: 0px; border: 0px none; z-index: 0; overflow-wrap: break-word !important; outline: none 0px !important;"><p style="max-inline-size: 100%; margin-bottom: 0px; clear: both; min-height: 1em; cursor: text; overflow-wrap: break-word !important; outline: none 0px !important;"><br style="max-inline-size: 100%; margin: 0px; padding: 0px; font-family: 微软雅黑, &quot;Microsoft YaHei&quot;, sans-serif; font-size: 17px; caret-color: rgb(255, 0, 0); overflow-wrap: break-word !important; outline: none 0px !important;"></p></section>