公开(公告)号：US5356594A

公开(公告)日：1994-10-18

申请号：US846272

申请日：1992-03-03

申请人： Edward M. Neel ,  John F. Dwinell ,  Michael T. Nemergut, III

发明人： Edward M. Neel ,  John F. Dwinell ,  Michael T. Nemergut, III

IPC分类号： G01M3/20 ,  G01M3/22 ,  G01N1/22 ,  G01N27/62 ,  G01N33/00 ,  G01N21/72

CPC分类号： G01M3/224 ,  G01M3/20 ,  G01M3/205 ,  G01N1/2273 ,  G01N27/626 ,  G01N33/0009 ,  G01N2001/2276

摘要： A portable (handheld) volatile organic compound monitoring system for monitoring, for fugitive emissions, a device that includes a coded identification tag. The system includes a housing, a tag reader, analysis chamber structure, a sample probe coupled to the analysis chamber, and pump structure for drawing a gas sample to be analyzed through the sample probe into the analysis chamber. Ionization apparatus is coupled to the analysis chamber for ionizing a gas sample drawn into the analysis chamber from the device being monitored, and a sensor responsive to ionized gas in the chamber produces an output signal as a function of an ionization characteristic of the ionized gas. First storage stores a plurality of response factors as a function of various types of volatile organic compounds to be monitored, second storage stores tag information read by the tag reader, and circuitry responsive to tag information stored in the second storage selects a response factor from the first storage. Microprocessor apparatus responsive to tag information, selected response factor information, and the sensor output signal produces an output indicative of volatile organic compound (VOC) concentration at the monitored device.

摘要翻译： 便携式（手持式）挥发性有机化合物监测系统，用于监测散发物质，包括编码识别标签的装置。 该系统包括壳体，标签读取器，分析室结构，耦合到分析室的样本探针，以及用于将待分析的气体样本通过样品探针拉入分析室的泵结构。 离子化装置耦合到分析室，用于从被监测的装置离子化吸入分析室的气体样品，并且响应于室中的电离气体的传感器产生作为电离气体的电离特性的函数的输出信号。 第一存储器存储多个响应因子作为要监视的各种类型的挥发性有机化合物的函数，第二存储器存储由标签读取器读取的标签信息，以及响应于存储在第二存储器中的标签信息的电路，从 第一存储。 响应于标签信息，所选择的响应因子信息和传感器输出信号的微处理器装置产生指示被监视装置的挥发性有机化合物（VOC）浓度的输出。